CN220040500U - Breaker split-combination test transfer box capable of manually winding wire - Google Patents

Abstract

The utility model provides a circuit breaker that can manual receive line divides and closes experimental transfer box, experimental transfer box includes the transfer box, and the transfer box is the cuboid, is equipped with a plurality of terminal on the transfer box upper surface, and the terminal runs through the transfer box upper surface and is connected with the inside experimental cable of box, and transfer box one side is equipped with the wire hole, and experimental cable other end is worn out from the wire hole. The electric primary personnel can be prevented from directly carrying out test wiring on the electrified terminal strip of the protective disk, and the hidden trouble that other electrified terminal strips are mistakenly wired or mistakenly touched when the terminal strip is wired because the terminal strip is unfamiliar is avoided; the test wire can be quickly wound and unwound by the hand winch, so that the cleanliness of the working site is greatly improved; relay protection personnel can accomplish test wiring in advance and inform electric primary personnel, effectively improve each department personnel cooperation and work efficiency.

Description

Breaker split-combination test transfer box capable of manually winding wire

Technical Field

The utility model relates to the technical field of breaker switching tests, in particular to a breaker switching test transfer box capable of manually winding up wires.

Background

At present, when an electric primary person performs a breaker switching test, a test instrument is connected to a terminal strip lead wire at the rear side of a screen cabinet, and when the wiring is replaced in the test process, the possibility that other live terminal strips are mistakenly connected or mistakenly touched when the wiring is performed due to unfamiliar terminal strip wiring exists, so that great potential safety hazards can be generated for equipment in operation.

And in addition, the relay protection personnel are required to be contacted to connect the test line at the operation loop of the circuit breaker control cabinet during operation, and the two parties can be simultaneously brought to the scene to communicate and connect wires.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the breaker switching test transfer box capable of manually winding up, which is convenient for electric primary personnel to avoid directly connecting a test instrument to a protective disc terminal row when the breaker switching test is carried out.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a circuit breaker that can manual receive line divides and closes experimental transfer box, experimental transfer box includes the transfer box, and the transfer box is the cuboid, is equipped with a plurality of terminal on the transfer box upper surface, and the terminal runs through the transfer box upper surface and is connected with the inside experimental cable of box, and transfer box one side is equipped with the wire hole, and experimental cable other end is worn out from the wire hole.

The above-mentioned switching box is equipped with fixed connection's receipts line capstan winch in, and the coiling of test cable is on receiving the line capstan winch.

The wire winding winch is provided with a manual crank, and a rotating shaft of the manual crank penetrates through the side face of the switching box body and is connected with a winch shaft of the wire winding winch.

The binding post adopts a jack mode.

The breaker switching test transfer box capable of manually winding up can avoid the problem that an electric primary person directly conducts test wiring on the electrified terminal strip of the protective disc, and avoid the hidden trouble that other electrified terminal strips are mistakenly wired or mistakenly touched when the terminal strip is connected unfamiliar with the wiring of the terminal strip; the test wire can be quickly wound and unwound by the hand winch, so that the cleanliness of the working site is greatly improved; relay protection personnel can accomplish test wiring in advance and inform electric primary personnel, effectively improve each department personnel cooperation and work efficiency.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of the structure of the adaptor box of the present utility model;

FIG. 2 is a top view of the present utility model;

fig. 3 is a cross-sectional view of the present utility model.

In the figure: the wire winding device comprises a switching box body 1, a binding post 2, a wire winding winch 3, a wire outlet 4 and a test cable 5.

Detailed Description

As shown in fig. 1-3, a circuit breaker split-combination test transfer box capable of manually winding wires comprises a transfer box body 1, wherein the transfer box body 1 is a cuboid, a plurality of binding posts 2 are arranged on the upper surface of the transfer box body 1, the binding posts 2 penetrate through the upper surface of the transfer box body 1 and are connected with a test cable 5 in the box body, a wire outlet 4 is arranged on one side of the transfer box body 1, and the other end of the test cable 5 penetrates out of the wire outlet 4.

The above-mentioned transfer box 1 is internally provided with a wire winding winch 3 fixedly connected, and the test cable 5 is wound on the wire winding winch 3.

The wire winding winch 3 is provided with a manual crank, and a rotating shaft of the manual crank penetrates through the side face of the switching box body 1 and is connected with a winch shaft of the wire winding winch 3.

The binding post 2 is in the form of a jack.

As shown in fig. 2, the binding posts 2 are multiple groups of binding posts and are used for being connected with a test instrument, and as the test instrument is connected by adopting a test wire connector, cables with two ends being the test wire connectors can be adopted between the switching box 1 and the test instrument to connect the two ends, the two ends are well connected by the marks below the binding posts 2, after the switching box 1 is used for testing, the binding posts 2 on the switching box 1 comprise all cables for carrying out the circuit breaker switching test, and the marks identical to the positions of the binding posts 2 are arranged at the outgoing end of the test cable 5, so that the connection with the terminal strip is convenient.

Examples:

at present, when an electric primary person performs a breaker switching test, a test instrument is connected to a terminal strip lead wire at the rear side of a screen cabinet, and when the wiring is replaced in the test process, the possibility that other live terminal strips are mistakenly connected or mistakenly touched when the wiring is performed due to unfamiliar terminal strip wiring exists, so that great potential safety hazards can be generated for equipment in operation.

The utility model is provided with an external terminal adapter box. Test line one end is responsible for wiring to protection dish terminal row by relay protection personnel, the other end is the adapter box terminal lower extreme, be unified electrical connection point with the terminal, the terminal is located the adapter box upper surface, supply electric primary personnel and connect test instrument, through this device, relay protection personnel can all connect to the adapter box with required return circuit before experimental beginning, electric primary personnel only need be at the selective wiring of adapter box can accomplish circuit breaker divide-shut brake each item test, can keep apart electric primary personnel and electrified dish cabinet, effectively avoided because of electric primary personnel are unfamiliar with the protection dish cabinet and mistake wiring or the potential safety hazard of touching other electrified terminal rows by mistake when wiring. Meanwhile, the device is provided with the hand winch in the box body, so that the test wire can be wound and unwound according to actual conditions, and the cleanliness of a working site is effectively improved.

As shown in the drawings, the embodiments of the present utility model are described in detail:

the test binding posts 1 are 20 in total, and a power supply primary person is selectively connected with a test instrument, and the functions of the test binding posts mainly comprise three-phase breaker closing, three-phase breaker opening (comprising two paths of operation loops), knife separation closing, knife separation opening and pressing loop test. The binding post is connected with one section of the test wire in the box and is fixed in the hand winch after summarizing.

The number of the long test lines 2 is 20, one end of each test line is respectively connected with each wiring terminal, the test lines are rotated out of the side face of the device after being manually winch-operated, corresponding terminal labels are pasted on each test line, and a tray cabinet maintainer is connected to a specified position of the terminal block at the other end of each test line.

The hand winch 3 is fixed in the device, and a rocker is led out of the side face of the box body, so that the long test wire can be wound and unwound according to actual conditions.

The specific operation steps of the transfer box are as follows: the box body is placed at a spacious proper position which is beneficial to the observation of electric primary personnel and the placement of a large-scale test instrument, the test wire is discharged through the hand winch, and relay protection coordination personnel completely connect the test wire to the designated terminal strip position of the protection disc according to the test wire mark. After the electric primary personnel test is completed, the tester is dismantled to the connecting wire of the patent, the relay protection personnel releases the terminal strip wiring, and the hand winch recovers the test wire.

Claims (4)

1. A breaker split-combination test transfer box capable of manually winding up is characterized in that: the test transfer case comprises a transfer case body (1), wherein the transfer case body (1) is a cuboid, a plurality of binding posts (2) are arranged on the upper surface of the transfer case body (1), the binding posts (2) penetrate through the upper surface of the transfer case body (1) and are connected with a test cable (5) inside the case body, one side of the transfer case body (1) is provided with a wire outlet hole (4), and the other end of the test cable (5) penetrates out of the wire outlet hole (4).

2. The breaker opening and closing test transfer box capable of manually winding wires according to claim 1 is characterized in that a winding winch (3) which is fixedly connected is arranged in the transfer box body (1), and a test cable (5) is wound on the winding winch (3).

3. The breaker opening and closing test transfer box capable of manually winding up according to claim 2 is characterized in that a manual crank is arranged on the winding up winch (3), and a rotating shaft of the manual crank penetrates through the side face of the transfer box body (1) and is connected with a winch shaft of the winding up winch (3).

4. A breaker open-close test transfer box capable of manually winding up according to claim 3, wherein the binding post (2) is in the form of a jack.