Electric pipe wrench

Abstract

The invention relates to an electric pipe wrench which comprises a shell, clamping assemblies, a clamping assembly driving mechanism and a clamping arm opening and closing mechanism. The shell comprises a handle; the two sides of the front end of the handle are connected with telescopic connecting arms through rotating shafts respectively; the front end of each telescopic connecting arm is connected with a semicircular clamping arm through a rotating shaft; the number of the clamping assemblies is two; the two sets of clamping assemblies are matched with each other and contract inwards to be used for clamping and screwing a pipe fitting; the clamping assembly driving mechanism is installed in the shell and is used for driving the two sets of clamping assemblies to operate; and the clamping arm opening and closing mechanism is installed in the shell and used for driving the two semicircular clamping arms to be opened and closed. The electric pipe wrench is large in torsion, stable in structure and low in failure rate; and the two sets of mechanisms, namely the clamping assembly driving mechanism and the clamping arm opening and closing mechanism are driven by one motor to act, so that automatic opening and closing of the two semicircular clamping arms can be achieved, clamping and screwing of the pipe fitting can be achieved, the automation degree is high, the structure is compact, and the space in the handle is reasonably and fully utilized.

Description

Technical field: [0001] The invention relates to the technical field of pipe wrench, in particular to an electric pipe wrench. Background technique: [0002] A pipe wrench refers to a type of pliers that grips and turns a pipe or other cylindrical surface with two toothed jaws. Most of the existing pipe wrench are manual pipe wrench, the operation speed of manual pipe wrench is slow, time-consuming and labor-intensive, and the efficiency of disassembly is low. Especially when operating in a narrow space, it cannot apply force normally and it is difficult to complete the operation, which affects the normal operation. construction. Although some electric pipe wrench have appeared on the market in recent years, the existing electric pipe wrench has small torque, is prone to untightening, poor structural stability, easy damage, high failure rate, and low degree of automation. The opening and closing of the pipe wrench can only be realized by hand cooperation, and some need to ...

AI Technical Summary

Problems solved by technology

Most of the existing pipe wrench are manual pipe wrench, the operation speed of manual pipe wrench is slow, time-consuming and labor-intensive, and the efficiency of disassembly is low. Especially when operating in a narrow space, it cannot apply force normally and it is difficult to complete the operation, which affects the normal operation. construction

Although some electric pipe wrench have appeared on the market in recent years, the existing electric pipe wrench has small torque, is prone to untightening, poor structural stability, easy damage, high failure rate, and low degree of automation. The opening and closing of the pipe wrench can only be realized by hand cooperation, and some need to be gripped by hand to realize the clamping of the pipe. All of the above can only reach the semi-electric level. One hand is used to cooperate with the operation, and it cannot be operated in some narrow spaces that cannot be assisted by hands. At present, there is no good way to solve the above problems

Images