Electric transmission line erection tightener

Abstract

The invention discloses an electric transmission line erection tightener which comprises a fixed frame body, a traction support and a clamp. The traction support is provided with 1-3 traction wheel sets. Each wheel set is composed of rotating wheels and compression wheels, wherein the rotating wheels and the compression wheels are matched with one another, the rotating wheels are in transmission connection with one another, and the compression wheels are connected with a pressure pull rod connected with the traction support in a penetrating mode. A compression spring and a lever type pull rod operation mechanism are arranged on the pressure pull rod. The rotating wheels are connected with a hand-cranking mechanism through chain transmission pieces. Single-direction locking mechanisms used for preventing the rotating wheels from rotating reversely are arranged on the chain transmission pieces. The tightener is exquisite is operation, can be operated by one person, does not need ground coordination, can be stopped at any time for rest in the wire tightening process, is improved in construction efficiency by more than ten times when calculated in a man-hour mode, greatly reduces labor intensity, and especially and reliably ensures person safety of rod treading persons.

Description

technical field [0001] The invention belongs to the technical field of ultra-high voltage construction, and in particular relates to a wire tensioner for erecting power transmission lines. Background technique [0002] During the erection of high-voltage transmission lines, the transmission wires between the two tower poles must be tightened, and then connected to the lower part of the corresponding insulating string. The traditional method of tightening wires is to fasten the wires with ropes or wire grippers, use the pull ropes to cross the cross arm, and the upper and lower personnel cooperate to tighten the power transmission wires. This method is time-consuming and labor-intensive, with low erection efficiency, many coordinating personnel, and high labor intensity. In particular, the construction personnel are far away and difficult to communicate. Once the coordination is not good, it will bring a great threat to the safety of the tower climbers, and even lead to ...

AI Technical Summary

Problems solved by technology

The present invention can ensure the personal safety of the operator, the tight connection is firm, the operation is convenient, the raw materials are saved, and the labor efficiency is improved; however, the operation is relatively complicated, and there is still a distance between the ratchet and the wire rope hook, so that when the ratchet is shaken , the required distance is long, which increases the workload of the operator, so a wire tensioner with simple structure, easy operation and the ability to tighten the transmission line is required

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