Rack type jack (also known as road lifting machine) Mechanical road lifting machine
Mechanical jack
1. Rack type road lifting machine performance specifications
Maximum lifting capacity of model and maximum hook lifting capacity Lifting height, top height, foot hook height
ton mm mm mm
ton ton mm mm mm
ton mm mm mm
2. Purpose of rack type hoisting machine
It is suitable for auxiliary installation of railway tracks, bridge installation, and lifting of vehicles, equipment, and heavy objects. It has the advantages of simple structure, easy use, safety and reliability, and can be used with multiple machines. It is a widely used lifting tool. .
3. Working Principle of Rack Type Hoisting Machine
This machine is one of the types of manual lifting tools with compact structure. It rationally uses the swing of the rocker to move the claws up and down, and cooperates with the fixed claws. , pushing the rack up or down, and the lifting object rises and falls accordingly.
How to use the rack type hoisting machine
Lifting - the hoisting machine should be placed smoothly, insert a long steel rod into the rocker hole, and move it up and down reciprocally until the required lifting height is reached.
Lowering - Pull the slow-down control handle upward to the braking position and pull the lever up and down. Each time it reciprocates, it will drop one tooth.
Lowering - pull out the lever, use the lever to vertically hit the tail surface of the downhill foot plate, and you will be able to drop to the starting position at one time
The moving parts should be lubricated frequently, and parts should be replaced in time if they are found to be damaged.
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Rack jack (also known as road jack)