First, the intensity is different.
1. hydraulic jack: it is a jack that uses a plunger or a hydraulic cylinder as a rigid jack.
2. Mechanical jack: it is driven by manpower through screw pair, and the screw or nut sleeve is used as the jacking piece.
Second, the advantages are different.
1. hydraulic jack: it has the characteristics of compact structure, stable operation, large jacking force and self-locking.
2. Mechanical jack: light weight and easy to carry. Simple maintenance, safe and reliable use. Simple structure. It is an ideal large-tonnage mechanical jack with large lifting capacity.
Third, the classification is different.
1. Hydraulic jacks: divided into general hydraulic jacks and special hydraulic jacks.
2. Mechanical jack: divided into ordinary screw jack and self-falling screw jack.
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