CN219477428U

CN219477428U - Multifunctional meter assembling and replacing tool

Info

Publication number: CN219477428U
Application number: CN202223040615.6U
Authority: CN
Inventors: 穆传军; 付振杰; 刘文斌; 祖向东; 王博; 张欣伟; 佟佳琪; 端木天翔; 周丽英; 安义岩
Original assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Eastern Inner Mongolia Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Electric Power Research Institute of State Grid Eastern Inner Mongolia Power Co Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-08-04
Anticipated expiration: 2032-11-16

Abstract

A multifunctional meter mounting and changing tool comprises an insulating shell and a wire end clamping mechanism, wherein a wire cavity is formed in the upper end of the insulating shell, and a groove is formed in the top of the insulating shell; the thread end clamping mechanism is arranged in the top of the insulating shell; the thread end clamping mechanism is provided with a clamping elastic sheet and a locking bolt; the locking bolt passes through the round hole at the top end of the clamping elastic piece and the groove at the top of the insulating shell, so that one end of the clamping elastic piece is fastened above the groove at the top of the insulating shell, and the other end of the clamping elastic piece is fixed in the cavity of the lead. The workers can clamp the wires by using the tools, the electric shock risk of the insulating shell can be reduced, the operation safety is improved, the time for disassembling and assembling the meter is shortened, the workers can work conveniently, and the working efficiency is improved; meanwhile, workers can visually see the phase sequence condition, and the wiring accuracy is improved.

Description

Multifunctional meter assembling and replacing tool

Technical Field

The utility model relates to the field of power distribution tools, in particular to a multifunctional meter assembling and replacing tool.

Background

Along with the continuous development of the economy in China, the power supply is also more and more tense, the reliability of power supply is improved, the power supply is ensured to be one of important tasks of the power departments in China, live working overhaul and maintenance work are carried out to improve the power supply continuously, and certain potential safety hazards exist for workers in the processes of low-voltage distribution network meter installation, power connection, ammeter replacement and idle replacement at present;

when a worker works, because the space in the meter box is narrow, insulating tape is generally used for insulating the wire ends to prevent interphase short circuit and electric shock, and because the worker wears insulating gloves by hands, certain difficulty exists in tearing the tape and wrapping the wire ends; when workers remove gloves to wrap, certain potential safety hazards exist.

Meanwhile, in order to prevent wrong phase sequence during wiring, workers need to mark or record the phase sequence by other tools before disconnecting, wiring is performed by means of marks or records during disconnecting, and the operation is complex and is not beneficial to efficient operation.

Disclosure of Invention

Therefore, the utility model aims to overcome the defects in the prior art and provide a multifunctional meter-replacing tool.

The utility model provides the following technical scheme:

the multifunctional meter mounting and replacing tool comprises an insulating shell and a wire end clamping mechanism, wherein a wire cavity is formed in the upper end of the insulating shell, and a groove is formed in the top of the insulating shell; the thread end clamping mechanism is arranged in the top of the insulating shell; the thread end clamping mechanism is provided with a clamping elastic sheet and a locking bolt; the locking bolt penetrates through the round hole at the top end of the clamping elastic piece and the groove at the top of the insulating shell, so that one end of the clamping elastic piece is fastened above the groove at the top of the insulating shell, and the other end of the clamping elastic piece is fixed inside the conducting wire cavity.

Preferably, the clamping elastic sheet is in a V-shaped groove structure; the number of the clamping elastic pieces is at least 1.

Preferably, a battery cavity and a circuit board cavity are arranged in the lower end of the insulating shell; the battery cavity is arranged below the circuit board cavity; the circuit board cavity is arranged below the wire cavity.

Preferably, a battery cavity cover is arranged at the bottom of the battery cavity; the battery cavity cover is arranged at the bottom of the battery cavity.

Preferably, the clamping elastic sheet of the thread end clamping mechanism is made of elastic steel sheets.

Preferably, the front surface of the insulating shell is provided with a phase sequence indicator lamp; the number of the phase sequence indicator lamps is at least 1.

Preferably, the phase sequence indicator lamps are arranged in an array.

Preferably, the phase sequence indicator lamp is connected with the cavity of the circuit board.

Preferably, the insulating shell is made of flame retardant materials.

Preferably, a lithium battery is arranged in the battery cavity.

Embodiments of the present utility model have the following advantages:

the multifunctional meter-mounting and replacing tool integrates insulation and phase sequence prompt functions, can be applied to various application scenes such as meter mounting and replacing, air switch, line maintenance and the like, and has wide application range;

the worker sees the situation of the phase sequence in real time, does not need to resort to other tools, shortens the time for replacing the meter and the accuracy of wiring; in addition, the wire head can be fixed into the wire cavity through the wire clamping mechanism, the wires do not need to be subjected to insulation wrapping, the time for detaching and installing the meter is effectively reduced, and the operation efficiency is improved; the insulating housing can enable workers to reduce electric shock risks, solves the problems of current production operation, increases operation safety, facilitates the work of operators, and improves working efficiency.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a multi-functional tool for replacing a watch according to the present utility model;

FIG. 2 is an assembly schematic of a multi-functional tool for replacing a watch according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a multi-functional tool for replacing a watch according to the present utility model.

The attached drawings are used for identifying and describing:

1-an insulating housing; 11-cell cavity; 12-a circuit board cavity; 13-cell cavity cover; 14-wire cavity; 2-a thread end clamping mechanism; 21-clamping spring pieces; 211-round holes; 22-locking bolts; 23-grooves; 3-phase sequence indicator lamp.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

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. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The multifunctional meter assembling and replacing tool comprises an insulating shell 1 and a wire end clamping mechanism 2, and is characterized in that a wire cavity 14 is formed in the upper end of the insulating shell 1, and a groove 23 is formed in the top of the insulating shell 1; the thread end clamping mechanism 2 is arranged in the top of the insulating shell 1; the thread end clamping mechanism 2 is provided with a clamping elastic piece 21 and a locking bolt 22; the locking bolt 22 passes through the round hole 211 at the top end of the clamping elastic sheet 21 and the groove 23 at the top of the insulating shell 1, so that one end of the clamping elastic sheet 21 is fastened above the groove 23 at the top of the insulating shell 1, and the other end is fixed in the wire cavity 14.

The clamping spring piece 21 is in a V-shaped groove structure; the clamping elastic pieces 21 of the thread end clamping mechanism 2 are made of special elastic steel sheets, the number of the elastic steel sheets can be 2, and the elastic steel sheets are respectively in corresponding relation; the steel sheet provides clamping force, the meter-mounting and replacing tool is clamped on a conductor of the wire, and the wire is insulated and wrapped; the elastic force of the clamping elastic sheet ensures that the tool does not fall off when the wire is clamped; and the steel sheet can conduct electricity to transmit the voltage waveform of the lead to the circuit elements in the cavity 12 of the circuit board. The workers can not take off and receive the insulated package to the wires, so that the safety of the workers is improved, and meanwhile, the operation efficiency is improved.

The control element can be placed in the circuit board cavity 12 in the insulating shell 1, the phase sequence indicator lamp 3 is connected with the circuit board cavity 12, and the phase sequence indicator lamp 3 can be controlled by the circuit element in the circuit board cavity 12 to display phase sequence information.

In the embodiment, the front surface of the insulating shell 1 is provided with a phase sequence indicator lamp 3; the phase sequence indicator lamps 3 can be LED lamps, the number of the LED lamps can be 5, and the LED lamps are arranged in an array; the main technical parameters are static power consumption 200 mu A, stroboscopic frequency 1Hz and phase sequence indicator lamp power 0.1W, and the phase sequence indicator lamp power is used for phase sequence identification of a meter changing tool; the workman can directly be from the phase sequence pilot lamp can discern phase sequence information, makes dress change table efficiency higher.

In the embodiment, when the insulating shell 1 is manufactured, a 3D digital model of the insulating shell 1 is firstly established, the insulating shell 1 is printed out by utilizing a 3D printer technology according to the 3D digital model, the insulating shell 1 is polished and sprayed with paint, and the use hand feeling of a user is better; simultaneously, insulating casing 1 material is insulating and fire-retardant material, adopts the fire-retardant material preparation of ABS, and fire-retardant level reaches UL94V0, and insulation resistance is greater than 1 megaohm, guarantees that insulating casing 1 plays insulating effect, improves the security of workman's operation.

In this embodiment, a battery and a protection circuit are disposed in the battery cavity 11, the battery is a special lithium battery, and has the functions of overcharge, overdischarge, discharge overcurrent and short-circuit protection, and meanwhile, a high specific energy NCX battery material system is adopted, the working temperature is between-30 ℃ and +60 ℃, the low-temperature application environment in the north is satisfied, and the working time of the device is improved.

When the tool operates, four multifunctional meter-installing and replacing tools form a set, are respectively clamped on leads of four phases A, B, C, N, are subjected to insulation wrapping and are used for detecting phase information.

Any particular values in all examples shown and described herein are to be construed as merely illustrative and not a limitation, and thus other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The multifunctional meter assembling and replacing tool comprises an insulating shell (1) and a wire end clamping mechanism (2) and is characterized in that a wire cavity (14) is formed in the upper end of the insulating shell (1), and a groove (23) is formed in the top of the insulating shell (1); the thread end clamping mechanism (2) is arranged in the top of the insulating shell (1); the thread end clamping mechanism (2) is provided with a clamping elastic sheet (21) and a locking bolt (22); the locking bolt (22) passes through a round hole (211) at the top end of the clamping elastic piece (21) and a groove (23) at the top of the insulating shell (1), so that one end of the clamping elastic piece (21) is fastened above the groove (23) at the top of the insulating shell (1), and the other end of the clamping elastic piece is fixed in the wire cavity (14).

2. The multifunctional meter installing and replacing tool according to claim 1, wherein the clamping spring piece (21) is of a V-shaped groove structure; the number of the clamping elastic pieces is at least 1.

3. The multifunctional meter assembling and replacing tool according to claim 1, wherein a battery cavity (11) and a circuit board cavity (12) are arranged in the lower end of the insulating shell (1); the battery cavity (11) is arranged below the circuit board cavity (12); the circuit board cavity (12) is disposed below the wire cavity (14).

4. A multifunctional meter-replacing tool according to claim 3, wherein a battery cavity cover (13) is arranged at the bottom of the battery cavity (11); the battery cavity sealing cover (13) is arranged at the bottom of the battery cavity (11).

5. The multifunctional meter assembling and replacing tool according to claim 2, wherein the clamping spring piece (21) of the thread end clamping mechanism (2) is made of elastic steel sheets.

6. A multifunctional meter-changing tool according to claim 3, characterized in that the front surface of the insulating housing (1) is provided with a phase sequence indicator lamp (3); the number of the phase sequence indicator lamps (3) is at least more than 1.

7. The multifunctional meter-changing tool according to claim 6, wherein the phase-sequence indicator lights (3) are arranged in an array.

8. The multifunctional meter installing and changing tool according to claim 7, wherein the phase sequence indicator lamp (3) is connected with the circuit board cavity (12).

9. A multifunctional meter-changing tool according to claim 3, characterized in that the insulating housing (1) is made of flame-retardant material.

10. The multifunctional meter-changing tool according to claim 4, wherein a lithium battery is arranged in the battery cavity (11).