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Lifts include direct jacking lift, scissor fork folding lift, lead screw lift, etc.

1) Direct jacking lift

Due to the large air compression ratio, there can not be too much shock load during the cylinder lifting object, and the hydraulic cylinder is relatively good, stable in operation and can stay in multiple positions. In some heavy duty occasions, in order to improve rigidity, it is usually necessary to add guide columns.

Figure 1 Direct jacking lift

2) Scissors and fork folding lift

Using the parallelogram linkage principle to achieve jacking, multi-stage jacking can be realized.

Figure2 45 Scissor fork lift

3) Lead screw lift

The motor drives the nut to drive the lead screw to lift and lower, which can realize self-locking and the maximum carrying capacity is 300 tons.

Figure 3 46 Lead screw lift