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The specific working process of a hydraulic jack:1. Manually pump oil2. Pressure transmission3. Lifting the load4. Lowering control
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Hydraulic jacks work based on Pascal's principle. This principle states that "in a closed container, pressure applied to a stationary fluid will b...
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A hydraulic jack is a simple lifting device that uses Pascal's principle and hydraulic oil as the working medium to transmit power and lift heavy ...
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Selection: The selection should be based on the maximum load, required stroke, working space (which determines the lifting method), and operating freq...
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Railway and Bridge Construction: Used for lifting train carriages, replacing bogies, or replacing bridge bearings. Extremely high stability and impact...
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**Absolute Self-Locking:** Thanks to the friction angle principle of screw drive, it achieves mechanical self-locking at any lifting height, eliminati...
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Traditional screw jacks mainly consist of core components such as a base, screw, nut, support cup, and ratchet wrench (or rocker arm).Early Structure:...
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The history of screw jacks can be traced back to ancient Greece, with Archimedes' screw-driven water pump serving as a prototype. However, its evo...
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