The Principle And Scope Of Application Of The Screw Jack
2021-04-27Principle of use
The mechanical jack is one of the types of manual lifting tools. Its compact structure makes reasonable use of the rocking of the rocker to rotate the pinion. It is operated by a pair of conical gears to drive the screw to rotate and push the lifting sleeve so that the weight rises or decline.
Scope of application
It can be used as a railway vehicle for maintenance, mining, construction support and general lifting and lowering.