The motor drives the double oil pump to run at a high speed through the coupling, providing high-pressure oil, thereby driving the piston to reciprocate. When the device starts to run, the drawing cylinder drives the hook mounted on the trolley to pull out the wire in the tire lip, and the wire cylinder is pulled out after the wire is pulled out, thereby performing the cyclic reciprocating motion; During the working process, the V-shaped pressure block on the pressure oil cylinder presses the newly pulled pressure wire on the hook at the set position, so as to prevent the steel wire from slipping when the wire is pulled and the steel wire is pulled out to cause injury.
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