Terminal screw fastening and disassembly special tools

Abstract

The invention discloses a wiring terminal screw fastening and unfastening special tool and relates to the technical field of a power distribution facility mounting and dismounting tool. The special tool comprises an internally-communicated pipe body, spring pieces arranged outside the pipe body and an adjusting nut in screw-thread fit with the pipe body. One end of the pipe body is a sleeve end capable of being sleeved in a nut of a wiring terminal screw, and the other end thereof is an insertion end capable of being inserted into a wrench. One end of each spring piece is a connection end connected to the pipe body, and the other end is an abutting end, wherein the abutting end is abutted against the adjusting nut. The wiring terminal screw fastening and unfastening special tool can enablethe nut of the wiring terminal screw to be fixedly clamped in the internal hexagonal wrench; by screwing the adjusting nut, the spring pieces are pressed to enable the spring pieces to bulge outwardand deform, and the spring pieces are supported on the side walls of a groove of a wiring terminal installation site, thereby facilitating aligning the screw hole and improving installation efficiency; and meanwhile, the tool can be suitable for different sizes of wiring terminal installation sites.

Description

technical field [0001] The invention relates to the technical field of disassembly and assembly tools for power distribution facilities, in particular to a special tool for fastening and disassembling screws of terminal blocks. Background technique [0002] In the current distribution network infrastructure project construction, transformers and JP cabinets (combined power distribution cabinets for distribution transformers) are widely used. When the staff installs the input and output power wires of the JP cabinets, they need to check the terminal screws of the open switches in the JP cabinets. For disassembly and tightening. Now the terminal installation position of the JP cabinet is a groove with screw holes at the bottom, and the terminal screws are all hexagon socket screws. When fastening the terminal screw, since the screw hole is located in the groove of the terminal installation position, it is necessary to feed the terminal screw into the groove and align it with ...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a special tool for fastening and dismounting terminal screws to solve the technical problems in the prior art that the terminal screws are easy to slip, difficult to align the screw holes, and installation efficiency is low when the terminal screws are fastened or disassembled.

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