Drawbridge for Pallets

Product Details:  Item No. 148

Capacity: 3,000 lbs per pallet, bin, or IBC load

Use: To create a ten foot wide fork truck aisle along a pallet conveyor line

Material: Stainless, carbon, or galvanized steel construction

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Overview

This is a custom made conveyor application, built to raise a ten foot long conveyor. The load being conveyed is a 42″ wide pallet with a 2,450 lb payload at 48″ high. This access gate, or drawbridge, is raised on occasion to allow a fork truck access throughout the plant.

 

Of the two types of drawbridges designed, this one uses an air-over-cable cylinders and another will use twin hydraulic cylinders against a fulcrum point to lift and lower the gate. The raise and lower cycle takes about thirty seconds, round trip.

Description of Operation

This is a custom made conveyor and drawbridge, built to raise a ten foot long powered roller conveyor to allow a fork truck access to the aisle several times a day.

  • A fork truck operator approaches the gate and pulls a cord
  • The drawbridge raises a full 90 degrees for access
  • An audible alarm is activated whenever the gate is moving up or down
  • A signal is also sent to shut down the gate, infeed and discharge conveyors
  • The fork truck drives through the ten foot opening
  • The truck operator pulls another cord to lower the drawbridge
  • When down, a signal is sent to start all conveyors again
  • The raise and lower cycle takes about thirty seconds, round trip

Specifications

This is a custom made conveyor and drawbridge, built to raise a ten foot long powered roller conveyor to allow a fork truck access to the aisle several times a day.

  • The gate rotation is a full 90 degrees vertical
  • Gate has a powered roller conveyor surface
  • The drive is a 1/2 HP TEFC gear motor
  • Powered conveyors are chain driven live rollers
  • Frames are 5″ x 6.7 lb/ft structural channels
  • Rollers are 2.5″ diameter with 11/16″ axles
  • Supports are 4″ structural channels welded to frames
  • Drawbridge assembly is a fully welded unit
  • Square tubing is used for framework construction
  • A cable air cylinder raises and lowers the gate
  • Hydraulic or air cylinders can also be used
  • An audible alarm is used for safety compliance
  • This is a custom made unit, 10′ long x 5′ wide
  • The raise and lower cycle takes about thirty seconds, round trip

All conveyors, standard and custom-made, are built with frames and supports welded together, making each section a superstructure, the most rugged standard in the industry.

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