CN211480694U

CN211480694U - Breaker maintenance tool

Info

Publication number: CN211480694U
Application number: CN201922225484.0U
Authority: CN
Inventors: 刘军; 杨卫东; 刘俊杰; 于雅丽; 徐城西; 马逊; 李建臣
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-11
Anticipated expiration: 2029-12-12

Abstract

The utility model provides a circuit breaker examines and repair instrument, include: the opening pliers comprise a first jaw, a second jaw and a connecting part, wherein the connecting part is connected with the first jaw and the second jaw, and the connecting part is provided with an opening position for driving the first jaw and the second jaw to be opened and a closing position for driving the first jaw and the second jaw to be closed; the operating part is connected with the connecting part and can operate the connecting part to drive the first jaw and the second jaw to be in the opening position and the closing position. The technical scheme of the utility model the circuit breaker among the prior art has been solved effectively and the higher problem of the higher, expense of safe risk in the maintenance test.

Description

Breaker maintenance tool

Technical Field

The utility model relates to a power equipment overhauls technical field of instrument particularly, relates to a circuit breaker overhauls instrument.

Background

An open circuit breaker is a device widely used in a transformer substation at present, and is particularly important for carrying out maintenance test work on the open circuit breaker. Because the size of the open-type circuit breaker is large, a maintainer needs to be close to the top end of the circuit breaker by means of a bucket arm vehicle or a scaffold to connect a plurality of test lines. This process exists: high safety risk, a large number of operating personnel, long working time, high material consumption, inconvenient transportation of special vehicles and scaffolds and the like.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a circuit breaker examines and repair instrument to solve the circuit breaker among the prior art problem that the safety risk is higher, the expense is higher when examining and repairing experimental.

In order to achieve the above object, the utility model provides a circuit breaker overhauls instrument, include: the opening pliers comprise a first jaw, a second jaw and a connecting part, wherein the connecting part is connected with the first jaw and the second jaw, and the connecting part is provided with an opening position for driving the first jaw and the second jaw to be opened and a closing position for driving the first jaw and the second jaw to be closed; the operating part is connected with the connecting part and can operate the connecting part to drive the first jaw and the second jaw to be in the opening position and the closing position.

Further, the connecting part comprises a threaded rod section and a connecting seat, and the threaded rod section and the connecting seat are of an integral structure.

Further, the first jaw is provided with a first threaded hole, the second jaw is provided with a second threaded hole, the connecting portion is provided with an external thread, and the external thread is matched with the first threaded hole and the second threaded hole, so that the first jaw and the second jaw can be driven to move when the connecting portion is rotated.

Further, the first jaw is provided with a guide groove, and the second jaw is provided with a guide block matched with the guide groove.

Furthermore, the connecting base includes the body of rod and application of force arch, and application of force arch protrusion is in the outer wall of the body of rod, and the operating portion cooperates with the application of force arch in order to drive the connecting base and rotate.

Further, the operating part is of a rod-shaped structure, the first end of the operating part is a holding part, the second end of the operating part is a sleeve, the sleeve is provided with a notch extending along the central shaft of the operating part, and the force applying bulge can be positioned in the notch.

Furthermore, the force application bulges are two symmetrically arranged, and the gaps are two correspondingly arranged with the force application bulges.

Further, the notch comprises a first notch section, a second notch section and a third notch section, the first notch section extends from the second end of the operation portion to the first end of the operation portion, the second notch section extends from the first end of the first notch section, which is close to the operation portion, to the direction perpendicular to the central axis of the operation portion, the third notch section extends from one end of the second notch section, which is far away from the first notch section, to the second end of the operation portion, and one end of the third notch section, which is far away from the second notch section, is provided with a limiting part.

Further, the opening pliers further comprise a wire connecting portion, and the wire connecting portion is arranged on the first jaw and/or the second jaw.

Furthermore, the first jaw and the second jaw are both provided with rough surfaces.

Use the technical scheme of the utility model, operating personnel stands subaerial through operation portion operation opening pincers for the circuit is cliied to the opening pincers, does not need operating personnel like this to ascend a height the facility with the help of scaffold frame etc. and above-mentioned structure operating personnel risk is lower in the operation, and the expense is less. The technical scheme of the utility model the circuit breaker among the prior art has been solved effectively and the higher problem of the higher, expense of safe risk in the maintenance test.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic view of a first jaw of an embodiment of a circuit breaker servicing tool according to the present invention;

figure 2 shows a schematic view of a second jaw of the circuit breaker servicing tool of figure 1;

figure 3 shows a schematic view of a connection portion of the circuit breaker servicing tool of figure 1; and

fig. 4 illustrates a partial structural schematic view of an operation part of the circuit breaker servicing tool of fig. 1.

Wherein the figures include the following reference numerals:

10. an opening clamp; 11. a first jaw; 12. a second jaw; 13. a connecting portion; 20. an operation unit.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 4, the circuit breaker service tool of the present embodiment includes: an opening forceps 10 and an operation part 20. The open jaw 10 comprises a first jaw 11, a second jaw 12 and a connecting portion 13, the connecting portion 13 being connected to both the first jaw 11 and the second jaw 12, the connecting portion 13 having an open position driving the first jaw 11 and the second jaw 12 open and a closed position driving the first jaw 11 and the second jaw 12 closed. The operating portion 20 is connected to the connecting portion 13, and the operating portion 20 is capable of operating the connecting portion 13 to drive the first jaw 11 and the second jaw 12 to the open position and the closed position.

By the aid of the technical scheme, an operator stands on the ground and operates the open tongs through the operation part, so that the open tongs clamp a line, ascending facilities such as scaffolds are not needed for the operator, risks are low when the operator operates the open tongs, and cost is low. The technical scheme of this embodiment has solved the breaker among the prior art effectively that the safety risk is higher, the higher problem of expense in the time of the maintenance test.

As shown in fig. 1 to 4, in the technical solution of the present embodiment, the connecting portion 13 includes a threaded rod section and a connecting seat, and the threaded rod section and the connecting seat are an integral structure. The structure has low processing cost and the connecting part 13 is firmer.

As shown in fig. 1 to 4, in the solution of the present embodiment, the first jaw 11 has a first threaded hole, the second jaw 12 has a second threaded hole, and the connecting portion 13 has an external thread, and the external thread is adapted to both the first threaded hole and the second threaded hole, so that the first jaw 11 and the second jaw 12 can be driven to move when the connecting portion 13 is rotated. The structure has convenient operation and lower processing cost.

In the solution of this embodiment, the first jaw 11 has a guide slot, and the second jaw 12 has a guide block adapted to the guide slot. The above structure makes the first jaw 11 and the second jaw 12 not easily dislocated when relatively moving.

In the technical scheme of this embodiment, the connecting seat includes the body of rod and application of force arch, and application of force arch protrusion in the outer wall of the body of rod, operating portion 20 and the protruding cooperation of application of force are in order to drive the connecting seat and rotate. The structure has lower processing cost and convenient operation. The opening/closing of the opening pliers 10 can be realized by rotating the operating part 20, and the terminal palm is clamped when the opening pliers are closed.

In the technical solution of this embodiment, the operation portion 20 is a rod-shaped structure, the first end of the operation portion 20 is a holding portion, the second end of the operation portion 20 is a sleeve, the sleeve has a notch extending along the central axis of the operation portion 20, and the force applying protrusion can be located in the notch. When in use, the rod body of the connecting seat partially enters the sleeve to operate. The operating part also comprises an operating rod and an operating rod sleeve, the operating rod is rotatably arranged in the operating rod sleeve, and a bearing is arranged between the operating rod and the operating rod sleeve.

In the technical scheme of this embodiment, the application of force arch is two for the symmetry sets up, and the breach is two for corresponding the setting with application of force arch. The structure enables the force application of the circuit breaker overhauling tool to be balanced.

In the technical solution of this embodiment, the notch includes a first notch segment, a second notch segment and a third notch segment, the first notch segment extends from the second end of the operating portion 20 to the direction of the first end of the operating portion 20, the second notch segment extends from the first end of the first notch segment close to the operating portion 20 to the direction perpendicular to the central axis of the operating portion 20, the third notch segment extends from the end of the second notch segment far away from the first notch segment to the direction of the second end of the operating portion, and the end of the third notch segment far away from the second notch segment has a limiting portion. The force applying bulge is firmly matched with the notch by the structure, and the force applying bulge is not easy to be separated from the notch. The limiting part is a limiting protrusion, and the limiting protrusion extends from the second end of the operating part 20 to the first end of the operating part 20.

In the solution according to the present embodiment, the opening pliers 10 further comprise a wire connection portion, which is provided on the first jaw 11 and/or the second jaw 12. The setting of wiring portion makes the circuit breaker maintenance instrument wiring easily. The wiring portion is the shaft-like structure, and the surface of wiring portion has the rough surface, and the wiring is difficult to take off from the wiring portion like this.

In the technical solution of this embodiment, the first jaw 11 and the second jaw 12 are both provided with rough surfaces. The above structure makes the clamping of the first jaw 11 and the second jaw 12 to the wire leg not easy to loose.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A circuit breaker servicing tool, comprising:

an open jaw (10), said open jaw (10) comprising a first jaw (11), a second jaw (12) and a connecting portion (13), said connecting portion (13) being connected to both said first jaw (11) and said second jaw (12), said connecting portion (13) having an open position driving said first jaw (11) and said second jaw (12) open and a closed position driving said first jaw (11) and said second jaw (12) closed;

an operating portion (20), the operating portion (20) being connected to the connecting portion (13), the operating portion (20) being operable to the connecting portion (13) to drive the first jaw (11) and the second jaw (12) in the open position and the closed position.

2. The circuit breaker servicing tool of claim 1, wherein the connecting portion (13) comprises a threaded rod section and a connecting seat, the threaded rod section and the connecting seat being of unitary construction.

3. Breaker servicing tool according to claim 2, characterized in that the first jaw (11) has a first threaded hole, the second jaw (12) has a second threaded hole, the connecting portion (13) has an external thread adapted to both the first and the second threaded hole, such that turning the connecting portion (13) drives the first jaw (11) and the second jaw (12) to move.

4. The circuit breaker servicing tool of claim 3, wherein the first jaw (11) has a guide slot and the second jaw (12) has a guide block adapted to the guide slot.

5. The circuit breaker servicing tool of claim 3, wherein the connecting base comprises a rod body and a force applying protrusion protruding from an outer wall of the rod body, and the operating portion (20) cooperates with the force applying protrusion to drive the connecting base to rotate.

6. The circuit breaker servicing tool of claim 5, wherein the operating portion (20) is a rod-like structure, the first end of the operating portion (20) is a grip, the second end of the operating portion (20) is a sleeve having a notch extending along a central axis of the operating portion (20), and the force applying protrusion is locatable within the notch.

7. The circuit breaker service tool of claim 6, wherein the force applying protrusion is symmetrically disposed and the gap is two corresponding to the force applying protrusion.

8. The circuit breaker servicing tool of claim 6, wherein the notch comprises a first notch segment extending from the second end of the operating portion (20) in a direction towards the first end of the operating portion (20), a second notch segment extending from the first end of the first notch segment near the operating portion (20) in a direction perpendicular to a central axis of the operating portion (20), and a third notch segment extending from an end of the second notch segment remote from the first notch segment in a direction towards the second end of the operating portion (20), an end of the third notch segment remote from the second notch segment having a stop.

9. The circuit breaker servicing tool according to claim 1, characterized in that the opening jaw (10) further comprises a wire connection portion provided on the first jaw (11) and/or the second jaw (12).

10. Breaker servicing tool according to claim 1, characterized in that a rough surface is provided on both the first jaw (11) and the second jaw (12).