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31. Conveyor Interface Equipment – Work Positioning
Industrial lifts, turntables, and even tilters – or a combination of one or more of these designs – are used to provide personnel ergonomic means to perform the repetitive tasks associated with conveyor line processes. Work stations are often incorporated into a conveyor line for pallet build-up or break-down, component assembly, painting, welding or inspection. Conveyor interface equipment can enhance both ergonomic and efficiency benefits by reducing the bending, reaching, pushing, pulling, and twisting associated with many of these repetitive operations.

 

32. Conveyor Interface equipment – Automation
Automated systems often incorporate industrial equipment which can be programmed to change the direction or elevation of items flowing through a conveyor line. Industrial lifts are used to move items from one elevation to another, turntables are used to change the direction of flow of these items – typically 90 degree turns – through the line. Any such type of interface equipment requires the use of one or more styles of sensors to communicate the location and status of load and equipment platform positions. These sensor signals are sent to a PLC or other control logic computer program to automatically start and stop actuation of the interface equipment as desired.

 

33. Conveyor Interface Equipment – Indexing
Indexing lifts are typically placed adjacent to and just upstream or just downstream of a work station or machine center to index a stacked load of bar or sheet stock in incremental distances up (for in-feeding the center, the lift moving up as the stack is depleted), or down (for out-feeding the center, the lift moving down as the stack is created). Indexing can be performed in pre-determined or programmed distances using a vertical transducer and PLC, or indexing can be self-determined through the use of photo-sensors that have the ability to initiate upward or downward movement depending on whether the sensor is sees light (stack being depleted) or dark (stack being created).

 

34. Vertical Ram Platform Lifts
Vertical ram platform lifts are typically actuated and guided by one or two synchronized, large diameter hydraulic rams which are bolted to the underside of a large, heavily-structured platform. Ram lifts have very high lifting capacity ratings and high edge load ratings, and are very well suited for large, heavy vehicle transfer between landings. Though installation costs may vary, the ram platform lift is an ideal solution for any high travel, high capacity application with limited to small platform sizes: practically no moving parts to wear out, low pressure hydraulic system, and heavy duty construction.

 

35. Industrial Bridges
Industrial bridges are basically large hydraulic tilters that carry high static load ratings instead of dynamic load ratings as most are placed in service to temporarily span a horizontal distance and accommodate wheeled loads when fully lowered into place. The tilter platforms, or “wings”, are raised empty and stored vertically to minimize floor space consumption. These heavy duty platform lifts have high axle load ratings and can be small enough for a pallet jack, or large enough to accommodate two semi-truck trailers side by side.

 

36. Truck Levelers
Truck levelers are designed to do just that – level trucks of varying weights, lengths, and bed heights with the elevation of the fixed dock height. Truck levelers are typically actuated by two or more hydraulic cylinders located beneath (for pit-mounted units) or on either side of (for surface-mounted units) a ten-foot wide leveling platform. The platform is hinged at the front and structurally supported for the high axle loading of large vehicles. Truck levelers are commonly used at docks where many different types of trucks are used; dairies, distribution centers, automotive plants, etc..

 

37. Mast / Rail Lifts
Rail lifts are heavy duty dock lifts which have the unique feature of a cantilevered platform which rides on a set of rails behind the lift. Because there are no scissors legs or actuators beneath the platform, the lift has a low collapsed height and can be accessed using a relatively short approach ramp. Therefore, no permanent and costly pit is required, and the lift can be easily relocated to another position along the dock. A safety handrail system is also provided for personnel protection.

 
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