CN112421504A

CN112421504A - Wire stripper for circuit installation and maintenance

Info

Publication number: CN112421504A
Application number: CN202011192956.8A
Authority: CN
Inventors: 范玲; 刘化社; 王喜成; 纪二云; 胡丛飞; 李�瑞; 宋帅; 刘浩; 王勇; 张雪杰; 王敏
Original assignee: State Grid Shandong Electric Power Co Chengwu County Power Supply Co
Current assignee: State Grid Shandong Electric Power Co Chengwu County Power Supply Co
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-26

Abstract

The invention relates to the field of power supply facilities, and particularly discloses wire stripping pliers for circuit installation and maintenance. The shearing mechanism comprises an upper shearing opening and a lower shearing opening, and the clamping mechanism comprises an upper pressing block and a lower pressing block. The invention is provided with the horn mouth and the positioning cylinder with adjustable length, can cut the exposed wire at will according to the length requirement of the exposed wire, avoids overlong or overlong short cut wire, avoids various abnormal phenomena such as electric conduction, poor contact and the like, eliminates potential safety hazard, and is simple and rapid to use.

Description

Wire stripper for circuit installation and maintenance

Technical Field

The invention relates to the field of power supply facilities, in particular to wire strippers for circuit installation and maintenance.

Background

Ensuring smooth power supply is a big matter concerning the national civilians. In the process of erecting a line and supplying power for maintenance, the wire stripper can be used. The wire stripper is a tool commonly used by power supply staff and is used for electricians to strip surface insulation layers of wire heads. The wire stripper can separate the cut insulation sheath of the electric wire from the electric wire and can also prevent electric shock. However, the length of the stripped insulation skin of the existing wire stripper cannot be controlled, if the stripped insulation skin is too long, the conductor part of the wire is exposed outside during wiring, the wire is easy to conduct, and potential safety hazards exist; if the stripping length is too short, the screw is easy to press the insulating skin when the screw is used for pressing, and the conductive effect is influenced.

Disclosure of Invention

The invention provides a wire stripper for line installation and maintenance, which can freely select the length of an insulation stripping layer to make up for the defects of the prior art.

The invention is realized by the following technical scheme:

the wire stripper for circuit installation and maintenance comprises a shearing mechanism and a clamping mechanism, wherein the shearing mechanism comprises an upper cut and a lower cut, and the clamping mechanism comprises an upper pressing block and a lower pressing block.

The positioning cylinder is provided with a bell mouth.

The positioning cylinder comprises a cylinder body and a cylinder bottom which are of a split structure, lug plates with holes are symmetrically arranged on the cylinder body, pull rods are sleeved in the lug plates and fixedly connected with the cylinder bottom, and flanges are arranged at one ends, facing the clamping mechanism, of the pull rods.

And the pull rod is provided with a positioning bolt.

The positioning bolt is butterfly type.

The positioning cylinder comprises a cylinder body and a threaded cylinder which are of a split structure, and the cylinder body is in threaded connection with the threaded cylinder.

The invention has the beneficial effects that:

the invention is provided with the horn mouth and the positioning cylinder with adjustable length, can cut the exposed wire at will according to the length requirement of the exposed wire, avoids overlong or overlong short cut wire, avoids various abnormal phenomena such as electric conduction, poor contact and the like, eliminates potential safety hazard, and is simple and rapid to use.

Drawings

The invention is further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic front view of a first embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic front view of a second embodiment of the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 3.

In the figure, 1 clamp handle, 2 compression springs, 3 clamping mechanisms, 31 upper compression blocks, 32 lower compression blocks, 4 shearing mechanisms, 41 upper shearing mouths, 42 lower shearing mouths, 5 bending plates, 6 cylinder bodies, 7 cylinder bottoms, 8 lug plates, 9 pull rods, 91 flanges, 10 positioning bolts and 11 threaded cylinders.

Detailed Description

The drawings illustrate specific embodiments of the invention. As shown in fig. 1 to 4, the wire stripper for line installation and maintenance includes, in addition to a clamp handle 1 and a pressure spring 2, a shearing mechanism 4 and a clamping mechanism 3, where the shearing mechanism 4 is responsible for shearing an insulating sheath on an outer layer of a wire, and the clamping mechanism 3 is responsible for stripping the sheared insulating sheath, so that the shearing mechanism 4 includes an upper shear port 41 and a lower shear port 42, the clamping mechanism 3 includes an upper pressing block 31 and a lower pressing block 32, a positioning cylinder is fixedly mounted on the upper pressing block 31 or the lower pressing block 32 through a bending plate 5, and in a use process, a cylinder port of the positioning cylinder faces a central position when the upper shear port 41 and the lower shear port 42 are engaged, that is, the central position of the sheared wire. In order to prevent the bending plate from breaking, the bending plate should be made of harder steel.

To facilitate the insertion of the wires, the positioning cylinder has a flared mouth, which faces the cutting mechanism 4.

To be able to cut different lengths, we set the positioning cylinder to be split: barrel 6 and bobbin base 7, two foraminiferous otic placodes 8 are installed to the barrel 6 of a location section of thick bamboo, and these two otic placodes 8 are with the centre of a circle symmetry of barrel, a pull rod 9 of cover on the otic placode 8, and the one end and the bobbin base 7 fixed connection of pull rod 9, the other end are flange 91, prevent that pull rod 9 from coming off from the hole on the otic placode 8.

In order to fix the position of the pull rods 9, a positioning bolt 10 is arranged on one of the pull rods 9, and the positioning bolt 10 is pressed against the barrel after being screwed down. To facilitate screwing, the positioning bolt 10 is of the butterfly type.

The use process comprises the following steps: the position of the cylinder bottom 7 is adjusted according to the length of the insulation skin to be removed, the position is fixed by a positioning bolt 10, the shearing mechanism 4 and the clamping mechanism 3 are opened, the lead penetrates between the upper shearing opening 41 and the lower shearing opening 42 and then is inserted into the cylinder body 6 to reach the cylinder bottom 7, and at the moment, the length of the exposed lead is the length required by maintenance after the lead is cut off the insulation skin.

The positioning cylinder may also be such that: the novel insulation stripping device is also of a split structure and comprises a barrel body 6 and a thread barrel 11, wherein the barrel body 6 is fixed on the bending plate 5, the barrel bottom 7 is arranged on the thread barrel 11, the thread barrel 11 is in threaded connection with the barrel body 6, the thread part can be longer, so that a larger adjusting range is provided, the position of the thread barrel 11 is determined according to the length of an insulation skin to be stripped firstly during use, then a wire is inserted, and then relevant operation is carried out.

Other technical features than those described in the specification are known to those skilled in the art.

Claims

1. The wire stripper for line installation and maintenance comprises a shearing mechanism (4) and a clamping mechanism (3), wherein the shearing mechanism (4) comprises an upper cut (41) and a lower cut (42), and the clamping mechanism (3) comprises an upper pressing block (31) and a lower pressing block (32), and is characterized in that a positioning cylinder is arranged on the upper pressing block (31) or the lower pressing block (32), and the cylinder opening of the positioning cylinder is opposite to the center position of the upper cut (41) and the lower cut (42) when being occluded.

2. The wire stripper as defined in claim 1, wherein said positioning barrel has a flared mouth.

3. The wire stripper for line installation and maintenance according to claim 1, wherein the positioning barrel comprises a barrel body (6) and a barrel bottom (7) which are of a split structure, the barrel body (6) is symmetrically provided with ear plates (8) with holes, pull rods (9) are sleeved in the ear plates (8), the pull rods (9) are fixedly connected with the barrel bottom (7), and one ends of the pull rods (9) facing the clamping mechanism (3) are provided with flanges (91).

4. The wire stripper for line installation and maintenance according to claim 3, wherein the pull rod (9) is provided with a positioning bolt (10).

5. The wire stripper for line installation and maintenance according to claim 4, wherein the positioning bolt (10) is butterfly-shaped.

6. The wire stripper for line installation and maintenance according to claim 1, wherein the positioning barrel comprises a barrel body (6) and a threaded barrel (11) which are of a split structure, and the barrel body (6) is in threaded connection with the threaded barrel (11).