Glossary
Automatic Transmission Fluid.
Removable or hinged plate in platform surface which allows access to power unit and hydraulics when lift is in the down position.
A flexible protective skirt that extends approximately 3" out from a minimum-sized lift platform to conceal the base and internal components of the lift and is often used to prevent inadvertent contact with the scissor mechanism by the operator and/or to keep debris out from under the lift. It is typically made from 23-ounce vinyl reinforced with polyester. However, it is not an acceptable form of toe protection according to ANSI MH29.1.
Actuator is a device for converting hydraulic, electric, or pneumatic energy into mechanical energy.
Inflatable air bag provides travel. Use when electric power is not available and/or desirable or hydraulic is not acceptable.
A system where the primary power is air, which runs the pumps, which sends hydraulic fluid to the cylinders. An air powered hydraulic actuator system.
The ampere is the unit of measure for the rate of flow of electric current.
Hardware used for Fastening Equipment to Floor or Walls.
Diamond tread or abrasive material applied to lift platform.
Hinged or fixed plate with structural support from floor level to top of lift platform for loading and unloading.
Alarm or signal used to alert personnel of equipment starting or moving.
Trained and/or qualified personnel approved or assigned to perform a specific duty or duties.
Optical or mechanical sensing to position platform at preset height(s).
A landing gate that automatically opens or closes, respectively, as a lift platform arrives at or departs from subject landing.
Electrical contact used as another switching device on Contactor.
Bill of Materials for a job or part. The list of all components used for a specific assembly.
The vertical portions of the carriage on cantilever Freightlift.
A back stop panel is installed opposite the loading edge of a VRC platform to prevent a load from falling to the lower level.
A device, usually a plate, installed in a reservoir to separate the pump inlet from return lines.
Rotary to linear motion conversion device, usually electric.
Ball type conveyors built into platform, either fixed or retractable.
Increases lowered height and provides under-clearance.
A load support that provides for relative motion between the load and the support.
The load supporting machine element.
According to ANSI MH29-1, "A toe guard plate not less than 8 inches (20.3 cm) in width shall be provided on all unprotected sides as a physical alert. It shall be made of steel, not less than No. 11 gauge (3 mm) in thickness, or other material of equal rigidity, attached flush with the vertical edge of the platform, and slanted inwardly at an angle of approximately 30 degrees from vertical."
To divert a specific controllable portion of pump flow directly back to reservoir.
A device hinged to a lift platform which can be raised or broken over when the platform is being raised or lowered.
A device, which permits air to move in and out of a reservoir or component to maintain atmospheric pressure. (Prevents a vacuum)
A lining for reducing friction on moving parts.
A proprietary filled PTFE liner which is securely bonded to the epoxy-glass filament, wound composite backing.
A secondary passage for fluid flow.
Wire rope.
The routing of the wire rope on a Freightlift.
A wheel or roller used to carry the capacity of a lift or turntable on a surface.
A style of Vertical Reciprocating Conveyor where the carriage rides along two masts that are mounted on the same side of the carriage. This style lift will accommodate all three loading patterns.
The rated capacity of a scissor lift applied as a uniformly distributed load while the platform is raising or lowering.
The maximum load which can be applied to the platform according to the manufacturer's specification.
The maximum amount of single axle load which can be rolled over the platform surface when the lift is in its fully closed position.
The entire assembly that travels in the mast and carries the load.
1) The replaceable element of a fluid filter. 2) The pumping unit from a vane pump, composed of the rotor, ring, vanes and one or both side plates.
Fixed or swivel, can be positioned in a variety of configurations for portability and transportability.
Location through which the entire mass of an object can be resolved.
A valve, which permits flow of fluid in one direction only.
An arrangement of components interconnected to perform a specific controlling function within a system.
A structural-mounting device used in scissor lifts (used in attaching platform to legs and legs to base.
The change in volume of a unit volume of a fluid when it is subjected to a unit change in pressure.
Electrical device that is specifically sized for a Motor.
The motor is rated to run continuous, although it may also be used intermittently.
A motor which remains running even when the lift is not in use.
An electrical component which alters (reduces) the primary voltage.
The secondary voltage, which comes from the transformer to the push-button.
The assembly of electrical components which transforms primary voltage to secondary voltage and controls the functions of the motor and the control valves.
Any electrical device used in the operation of a Lift normally includes push button stations, control box, limit switches, interlocks, etc.
A pushbutton control of travel which when finger is removed from button, travel stops.
These operator controls shall: •Be of the type when pressed will make the scissor lift operate. •Be of the type when released the scissor lift will stop. •Return to the off position when released. •Be clearly marked as to direction and function. •Be protected from inadvertent operation. •Be readily accessible to the operator.
Push button control which can be pushed to activate and released, travel ceases automatically at preset level. These operator controls shall: •Be of the type that when pressed will make the scissor lift operate. •Be of the type that will continue to operate the scissor lift until stopped by another control device. •Return to a neutral position when released. •Include an emergency stop device that deactivates all powered functions that affect scissor lift movement. •Be protected from inadvertent operation. •Be readily accessible to the operator. •Not to be used on industrial scissor lifts that allow operators and/or riders.
Vertical Reciprocating Conveyors, VRC, Material Lifts, or Freight Lift provide the most economical, dependable, and safe method of high capacity freight movement between multiple levels with the smallest platform size or footprint possible. An economical alternative to expensive freight elevators or fork trucks, Autoquip VRC Material Lifts can be customized to improve freight and goods transfer and storage in any application: industrial mezzanines, retail stores, restaurants, warehouses, conveyor systems, and much more. Hydraulic designs are limited to travels of 28 feet of travel, where mechanical VRC lifts can travel up to 100 feet. Each Autoquip Freight lift is designed and manufactured to meet or exceed the requirements of ASME B20.1 - Safety Requirements for Conveyors and Related Equipment.
A pressure control valve which maintains back pressure to prevent a load from falling.
Those components whose absence or failure would cause the equipment of which they are a part of to become inadequate or unsafe for its specific purpose.
A cycle is a period of time between motor starts.
A device, which converts fluid power into linear force and motion. It usually consists of a movable element such as a piston and piston rod, plunger or ram, operating within a cylindrical bore.
The cylinder or ram transmits lifting force directly to the carriage rather than through the use of cables, sheaves or chains.
A cylinder in which fluid force can be applied to the movable element in either direction, typically used when application requires control of both up and down action.
A cylinder in which the movable element has the same cross sectional area as the piston rod (single acting).
A cylinder in which the fluid force can be applied to the movable element in only one direction.
A cylinder with a piston rod extending from only one end.
A pre-finished, high performance, bearing used in the pivot points of a scissor lift. (Lead Impregnated Teflon with steel backing)
A control valve which is proprietary to Autoquip, contains check valve, down valve, Flow control, pressure relief, oil filtration, and pressure regulator.
The cylinder or ram transmits lifting force directly to the carriage rather than through the use of cables, sheaves or chains.
A valve, which selectively directs or prevents fluid flow to desired channels.
The quantity of fluid which can pass through a pump, motor or cylinder in a single revolution or stroke.
A stationary or portable scissor lift used in the area of a dock to transfer loads (typically wheeled loads) from a fixed elevation to a vehicle; the lift is operated from the platform which may include rider(s) in addition to the operator. Most dock lifts are permanently installed in concrete pits, but some scissor-style lifts are portable for use in multiple locations such as truck delivery areas that have no elevated dock or where recessed pits are not feasible. Autoquip dock lifts share common features for rugged, outdoor use and required safety measures: anti-skid deck plate, beveled toe-guard protection, and extra structural steel support to withstand impact loading, concentrated wheel loading, off-centered loading, and high rollover loads when lowered in to a recessed pit.
An electrical mechanical device that, when electrically energized, opens the down valve.
The distance a lift platform will slowly drop due, usually to slight leaks of the hydraulic fluid or inability of a brake to hold a motor.
A bar that prevents loads from rolling off the platform.
Provides (2) different secondary voltages from the same device.
Materials having a minimum elongation of 5% in 2 inches (50.8mm).
A valve used to divert hydraulic flow directly to tank.
Is design to prevent any dust from entering the device.
The rating of an electrical motor or component.
A device mounted below the platform such that when an obstruction is met during descent, the lift will be brought to rest before entrapment can occur, whether the lift is loaded or empty.
A system which primary power is electric, which runs (pumps) hydraulic fluid to the cylinders.
Structure surrounding a lift to prevent anything from interfering with normal operation and to safe guard personnel. Typically 8' high panels made of expanded metal that will prevent a 2" diameter ball from passing through. This is a requirement of the conveyor code. (ANSI-B20.1)
The applied science of workplace equipment design, intended to maximize productivity by reducing operator fatigue, discomfort, and wasted motion.
Electrical Devices that are designed for a specific location or area where certain Hazardous condition may or can exist.
Point where freight begins and where shipping charges begin.
A device through which fluid is passed to separate matter held in suspension. A device whose primary function is the retention by a porous media of insoluble contaminants from a fluid.
For use with flat or rail type track to provide fixed path lateral movement.
A valve, which controls the rate of oil flow.
The volume of a fluid passing through the circuit per unit of time, usually gallons per minute.
Push- Button that mounts in the wall, which allows only the cover plate and push-button to be visible.
Allow unit to be readily moved by fork truck.
Gallons per Minute.
A device that opens and closes to allow access to the carriage for loading and unloading. Normally a swing, sliding, or vertical acting device constructed of similar expanded metal as the enclosure.
Device used to contain roller pin or roller.
Describes moving parts so protected by their remoteness from the floor, platform, walkway, or other working level, or by their location with reference to frame, foundation, or structure as to reduce the foreseeable risk of accidental contact by persons or objects. Remoteness from foreseeable, regular, or frequent presence of public or employed personnel may in reasonable circumstances constitute guarding by location.
Dimension given to set the mast on a Freight Lift.
For use when personnel must be raised or lowered. Removable rails allow access from all sides when lift is not in use. Rails are 48" high.
Usually a location which requires special electrical components.
A requirement for continuous cycling of the lift and power unit, typically considered more than 60,000 cycles per year.
Faster than standard engineered speeds.
A hinged transition plate which is attached to the edge of the platform and used to bridge the gap between the platform and landing and/or truck bed.
A gate that operates horizontal to the floor.
The power required to lift 550 pounds one foot in one second or 33,000 pounds one foot a minute. A horsepower is equal to 745.7 watts or to 42.4 British Thermal Units per minute.
Operation by movement and force of liquid.
The entire system of fluid conductors such as hose, pipe, tubing, etc., utilized to transfer hydraulic fluid between various operating components of a hydraulic system such as pumps, valves, actuators, etc.
An electrical mechanical system for doors or gates to prevent operation of the lift if all gates are not closed or if the lift platform is not present at that level.
Usually a stop between Top and Bottom floors, or travel of the platform.
Motor is rated to run only part time. (2 min. run time and 2 min. rest time.)
Power is the rate of doing work.
A permanent working surface at a fixed elevation used for loading/unloading a scissor lift platform. (G) positioned at that elevation.
A mechanical barrier to control personnel traffic at a landing.
A device to prevent lift movement when a landing gate is not fully closed and to prevent the landing gate from being opened unless the lift platform is present at that landing.
A stationary, portable or transport scissor lift used to raise, lower, stack, convey and/or transfer material from one elevation to another. No riders are allowed on the platform. Scissor lifts provide the most stable, dependable, and versatile method of lifting heavy loads. Because of their simplicity & few moving parts, maintenance-free bushings, and wide acceptance by customers - scissor tables provide many years of trouble free operation for relatively small capital investment. Scissor lift mechanisms are easily modified by narrowing, widening, combining or stacking to achieve an extremely wide array of configurations to effectively move loads of virtually any size and/or capacity to heights of 20 feet or more. Hydraulic scissor lifts are the most popular, versatile, and economical of all actuation styles, but completely pneumatic or mechanical scissor tables are also available - depending on the demands of the application. Autoquip scissor lifts are designed and manufactured to meet the industry safety requirements set forth in ANSI MH29.1.
The rated load of a scissor lift applied as a uniformly distributed load.
An electrical device that stops travel and prevents over travel. It also provides height positioning and activates associated equipment.
Travel is limited either with electrical device (limit switch) or mechanical device.
A device for converting hydraulic energy into linear motion - a cylinder or ram.
The maximum height of material a Platform can accommodate.
A method to describe the direction a load will be moved on and off a platform at different levels. •"Z" Load Pattern - The traffic flow is to load the lift from one side and exit the lift off the opposite side as it was loaded. •"C" Load Pattern - Traffic enters the lift on one side and exits the lift from the same side as the lift was loaded. •"90◦"Load Pattern - Traffic pattern requires a cantilever carriage to enter the lift from one side and exit the lift at a 90◦ angle from the loading position.
Standing outside the gate facing the gate, handle on the left, gate swings outward.
Standing outside the gate, facing the gate, handle on the right, gate swings outward.
Limit, which stays tripped in the direction of travel.
A fluid conductor providing multiple connection ports.
A control actuated by the operator, regardless of the means of actuation. Example: Lever or foot pedal control for directional valves.
A means of manually actuating an automatically controlled device.
A person or entity that makes, builds, or produces an industrial scissor lift.
The vertical members between which the carriage is guided throughout its vertical travel.
A mechanical means of stopping travel at a predetermined spot or to prevent over travel.
A device, which converts fluid or electricity into mechanical force and motion. It usually provides rotary mechanical motion.
To control the starting of the motor and provide protection against electrical overloads. A device operated by control voltage to actuate or connect two high voltage contact points.
A motor in which the displacement per cycle cannot be varied.
A term sometimes used in reference to a cylinder.
The mounting of components will be by someone other than Autoquip Personnel.
Enclosures constructed for indoor use to provide a degree of protection to personnel against access to hazardous parts and to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt).
Enclosures constructed (without knockouts) for indoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and circulating dust, lint, fibers); and to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (dripping and light splashing).
Enclosures constructed (with knockouts) for indoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and circulating dust, lint, fibers); and to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (dripping and light splashing).
Enclosures constructed for indoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and circulating dust, lint, fibers); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (dripping and light splashing); and to provide a degree of protection against the spraying, splashing, and seepage of oil and non-corrosive coolants.
Enclosures constructed for indoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); and to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (dripping and light splashing).
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); that will be undamaged by the external formation of ice on the enclosure that provides an additional level of protection against corrosion; and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); and for which the external mechanism(s) remain operable when ice laden.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); that provides an additional level of protection against corrosion; and for which the external mechanism(s) remain operable when ice laden.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow); that provides an additional level of protection against corrosion and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow, splashing water, and hose directed water); and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (windblown dust); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (rain, sleet, snow, splashing water, and hose directed water); that provides an additional level of protection against corrosion; and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for indoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt and settling airborne dust, lint, fibers, and flyings); and to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (dripping and light splashing).
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (hose directed water and the entry of water during occasional temporary submersion at a limited depth); and that will be undamaged by the external formation of ice on the enclosure.
Enclosures constructed for either indoor or outdoor use to provide a degree of protection to personnel against access to hazardous parts; to provide a degree of protection of the equipment inside the enclosure against ingress of solid foreign objects (falling dirt); to provide a degree of protection with respect to harmful effects on the equipment due to the ingress of water (hose directed water and the entry of water during prolonged submersion at a limited depth); that provides an additional level of protection against corrosion and that will be undamaged by the external formation of ice on the enclosure.
Materials having an elongation of less than 5% in 2 inches (50.8mm).
The side(s) of the platform not used for loading/unloading. Handrails with midrail and kickplate are supplied as minimum safety protection.
Open Drip Proof (usually referred to on Electric motors)
Is for a fitting or box that will not let oil enter into the system or device.
The side(s) of the platform used for loading/unloading. A safety chain is supplied as minimum safety protection.
Visual or audible alarms warn personnel when lift is in use.
An authorized person controlling the movement of the industrial scissor lift.
A restricted passageway in a fluid power system, usually a small hole drilled for the purpose of limiting the flow. A restriction, the length of which is small in respect to its cross-sectional dimensions.
A person or entity that has possession of an industrial scissor lift by virtue of title to the equipment.
The articulated support mechanism characterized by a single central pivot axis and commonly referred to as the scissor leg assembly.
A solid piston that fits into a larger cylinder and moves back and forth under fluid pressure. A cylindrically shaped part which fits within a cylinder and transmits or receives motion by means of a connecting rod.
The horizontal surface of the platform or carriage where the load is placed.
The edges of the platform that are perpendicular to the scissor legs. The end dimension is considered the platform width.
The edges of the platform that are parallel to the scissor legs. The side dimension is considered the platform length.
A cylindrically shaped part, which has only one diameter and is used to transmit thrust.
Of or relating to air or another gas.
The entire system of pneumatic conductors such as hose, pipe, tubing, etc., utilized to transfer gas between various operating components of the pneumatic system such as pumps, valves, actuators, etc.
That part of certain valves which prevents flow when it closes against a seat.
An internal or external terminus of a passage in a component.
A characteristic of a pump or motor, which has the inlet positively, sealed from the outlet so that fluid cannot re-circulate in the component.
Work per unit of time, measured in horsepower (hp) or watts.
An integral power supply unit usually containing a pump, reservoir, relief valve and directional control.
An assembly including, but not limited to the motor, pump, reservoir, and the Autotrol valve.
Means that all practical devices are wired to the control box either to terminal strip or to the device.
Force per unit area, usually expressed in pounds per square inch (psi).
The line carrying the fluid from the pump outlet to the pressurized port of the actuator.
A valve that can be set to a predetermined pressure. If the pressure is exceeded the valve will open to prevent damage to hydraulic system. A pressure operated valve which by-passes pump delivery to the reservoir, limiting system pressure to a predetermined maximum value.
A switch that can be set to a predetermined pressure. When this pressure is reached it will open thus turning off the control circuit and stopping the pump motor.
The main Power being supplied to the motor and the control box, (usually the high voltage on our products.)
A device, which causes a liquid to flow against a pressure. It converts mechanical force and motion into hydraulic fluid power.
A pump in which the displacement per cycle cannot be varied.
A pump having two or more intermeshing gears or lobed members enclosed in a housing.
A pump having multiple radial vanes within a supporting rotor.
A pump in which the displacement per cycle can be varied.
The hand held or wall mounted device used to control the motion of the platform.
A person, who, by possession of a recognized degree, certificate, professional standing, or skill, and who, by knowledge, training and experience, has demonstrated the ability to deal with problems relating to the subject matter, the work, or the project.
Allows for quick disconnect of controls, air, or other lines. Used with portable or frequently relocated lifts. Not available for power supply line.
Device designed to prevent rain from entering the device.
The total height, measured from the bottom of the base to the top of the platform when the lift is in a fully raised position.
A single-acting cylinder with a single diameter plunger rather than a piston and rod.
The maximum amount of single axle load (in the case of rolling loads) which can be applied to the loading edge of the platform (end or side) when the lift is in any raised position. This rating considers: 1) that some amount of deflection will occur during load transfer, 2) the moving and impact forces imposed by the load, 3) that this is a temporary condition during load transfer only, and 4) that the scissor lift platform is static and non-moving.
The maximum amount of static load that can be applied to the edge of the platform (end or side) when the lift is in any raised position. This rating considers: 1) that some amount of deflection will occur during load transfer, 2) that this is a temporary condition during load transfer only, and 3) that the scissor lift platform is static and non-moving.
Dimension given as informative but not used for locating.
Power unit that will be mounted outside of the lift.
A tank that holds fluid (oil) for the hydraulic power unit. A container for storage of liquid in a fluid power system.
A reduced cross-sectional area in a line or passage, which produces a pressure drop.
A line used to carry exhaust fluid from the actuator back to the reservoir.
The amount of load being rolled over a lift platform in its fully collapsed position. For inplant lifts, rollover loads must not exceed the rated capacity of the lift in order to prevent permanent damage. For dock lifts, rollover loads must not exceed twice the rated lifting capacity.
The maximum amount of single axle load, which may be rolled over the platform surface when the lift is in its fully closed position.
The ratio of the maximum load which the lift can withstand to the load which it was designed to withstand under normal operation.
A raising/lowering platform that is supported or stabilized by one or more pantograph leg sections. Scissor lifts provide the most stable, dependable, and versatile method of lifting heavy loads. Because of their simplicity & few moving parts, maintenance-free bushings, and wide acceptance by customers - scissor tables provide many years of trouble free operation for relatively small capital investment. Scissor lift mechanisms are easily modified by narrowing, widening, combining or stacking to achieve an extremely wide array of configurations to effectively move loads of virtually any size and/or capacity to heights of 20 feet or more. Hydraulic scissor lifts are the most popular, versatile, and economical of all actuation styles, but completely pneumatic or mechanical scissor tables are also available - depending on the demands of the application. Autoquip scissor lifts are designed and manufactured to meet the industry safety requirements set forth in ANSI MH29.1.
A work access lift designed for lateral movement where: 1) there may be material on the lift platform, 2) there may be operators or other riders on the lift platform during lateral movement, 3) the lift platform may be in a raised position during lateral movement, and 4) the lateral movement is restricted to a predetermined path via tracks, grooves, or other physical guides.
A scissor lift designed for lateral movement from one stationary work station to another where: 1) there is no load on the lift platform during lateral movement, 2) there are no operators or other riders on the lift platform during lateral movement, 3) the lift platform is in the fully lowered position during lateral movement, and 4) the lateral movement is unrestricted.
A lift table designed for lateral movement where: 1) there may be a load on the lift platform during lateral movement, 2) there are no operators or other riders on the lift platform, 3) the lift platform may be in a raised position during lateral movement, and 4) the lateral movement may be unrestricted.
Usually the control voltage or the lower voltage in the control box.
Power unit which is mounted in the lift mechanism.
The order of a series of operations or movements.
Platform Devise that is design to be mounted around the top of a component to allow personnel to work on a part safely. (Used on Freightlift around the top of the Drive base.)
The word "shall" is to be understood as mandatory.
Device, which is designed to guide a wire rope or cable. (Pulley)
The word "should" is to be understood as advisory.
A command or indication of a desired position or velocity.
A cylinder in which hydraulic energy can produce thrust or motion in only one direction. (May be mechanically or gravity returned).
Device used to signal or alert of a slack chain condition.
Limit switch used to signal or stop the movement of the carriage.
A length of chain with a clasp on the end to close off the operating end of the carriage.
Carriage that is split or in two pieces and will have to be field assembled. This design facilitates ease of installation and handling.
Mast that is not all one piece usually cut at a predetermined length to allow ease of installation or handling.
A condition in which the sum of the moments that tend to overturn the industrial scissor lift is less than the sum of the moments tending to resist overturning.
A style of VRC where the carriage rides suspended between two masts that are located on opposite sides of the same carriage. This style of lift will accommodate "C" and "Z" type loading patterns.
A device through which a fluid is passed to separate solids in suspensions. A strainer is usually installed on the intake side of a pump.
The ration of ultimate strength of the material to the design stress at rated lifting capacity.
The length of travel of a piston or plunger.
The ratio of minimum specified ultimate strength of a material to its design stress at maximum rated capacity.
The hydraulic line connecting the pump inlet port to the reservoir or sump.
Designed exclusively for hydraulic lift duty to produce nearly three times the horsepower of conventional motors in the starting windings.
A transient rise of pressure or flow.
Totally Enclosed, Fan-Cooled
Totally Enclosed Non-Ventilated
See Reservoir
A cross member of the scissor lift upon which the cylinder pushes to create travel.
A beveled edge, on a platform, which serves as toe protection for personnel.
A rotary thrust. The turning effort of a fluid motor usually expressed in inch pounds.
A cross member of a scissor lift that assists to structurally, equalize the loading through the legs of the lift.
Personnel who have been trained by a qualified person and have demonstrated the ability to perform a particular function on or around a scissor lift.
An element, which measures the results at the load and sends a signal back to the amplifier.
The vertical distance, which the platform moves from collapsed height to full raised height.
A cross member of a scissor lift which assists to structurally, equalize the loading through the legs of the lift. (Generally, the cylinders are attached to this tube).
A directional control valve with two flow paths.
A person or entity that has care, control and custody of an industrial scissor lift.
Used to center cylindrical loads or rolls.
A device, which controls fluid flow direction, pressure, or flow rate.
Used for positive shutoff. For use where platforms must maintain position for extended periods.
Used when precise positioning is desired. Hydraulic dump values decrease upward coast.
A hydraulic component used primarily to physically limit the travel of scissor lifts which have RAM type cylinders by depressing a plunger which diverts hydraulic flow from the cylinder to the oil reservoir.
The speed of flow through a hydraulic line, Expressed in feet per second (fps) or inches per second (ips).
A hydraulic valve, which in the event of a severed hose or hydraulic failure will lock the oil in the cylinder and prevent the lift from falling.
Gate which when opened will move vertically.
Unintended vertical movement of an industrial scissor lift.
The difference between the fully raised height of the platform deck and the fully closed height of the platform deck.
A measure of the internal friction or the resistance of a fluid to flow.
Voltage is the term used to indicate electrical potential.
The size of a space or chamber in cubic inches. Loosely applied to the output of a pump in gallons per minute (gpm).
Light used to signal movement of a certain device.
Designed to allow the component to be washed down with water.
Device design to prevent water from entering part or component.
Power is the rate of doing work.
A stationary, portable or mobile scissor lift operated from the platform which may include rider(s) in addition to the operator; the lift may be used to transfer material from one elevation to another.
For use with inverted angle or Vee track to provide fixed path lateral movement.