2014年12月29日星期一

Screw jack

Product Introduction


Screw jack is powered by human through screw pair drive, screw rod or nut sleeve as the jacking parts. Common screw jack rely on screw self-locking effect by supporting weight, simple structure, but the transmission efficiency is low, return slowly.Lower screw jack without self-locking effect, equipped with brakes.Relax brakes, can be self-rapid decline in weight, shorten turnaround times, but this jack more complex structures. Jackscrew long-term support heavy loads, max weight reached 100 tons, used widely. After the bottom is mounted horizontal screw rod,the machine can make the weight for the small distance traversed.


Usage


As a common lifting and jacking tool on automotive, bridges, ships and machinery industries. Hook screw jack can hook lower position goods using hooking leg.

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