CN211122923U - Special terminal for testing mechanical characteristics of circuit breaker - Google Patents
Special terminal for testing mechanical characteristics of circuit breaker Download PDFInfo
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- CN211122923U CN211122923U CN201821934536.0U CN201821934536U CN211122923U CN 211122923 U CN211122923 U CN 211122923U CN 201821934536 U CN201821934536 U CN 201821934536U CN 211122923 U CN211122923 U CN 211122923U
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- circuit breaker
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- insulating part
- terminals
- copper terminal
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Abstract
The utility model relates to a special terminal for testing mechanical characteristics of a circuit breaker, which comprises a copper terminal, a first insulating part and a second insulating part, wherein the copper terminal is of a Y-shaped structure, the upper end of the copper terminal is provided with two solid pins, and the two solid pins can be inserted into round holes of a circuit breaker terminal row and are communicated with a conductive part of the circuit breaker terminal row; the lower end of the copper terminal is provided with a hollow pin, the hollow part of the hollow pin is a wire guide hole, and the wire guide hole is used for connecting and disconnecting a test wire of a mechanical characteristic tester of the circuit breaker; the first insulating part and the second insulating part can be buckled with each other and wrap the parts of the copper terminal except for the two solid pins; the second insulating part is also provided with a marking area for marking and distinguishing different terminals. The utility model discloses convenient to use, the operation is safe, and work efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of electric power system test equipment, concretely relates to special terminal of circuit breaker mechanical properties test.
Background
The high-voltage circuit breaker bears double tasks of protection and control in a power grid, the safe operation of a power system is directly influenced by the operation condition of the high-voltage circuit breaker, and the test result of the mechanical characteristics of the circuit breaker is an important index for detecting the operation state of the high-voltage circuit breaker. The test relates to the identification and wire-disconnecting work of a switching-on and switching-off loop in a secondary loop of a circuit breaker mechanism, and is mainly carried out by a maintenance team.
At present, two difficulties exist in the work, the circuit searching is complicated due to various types of circuit breakers, more time is occupied, and at least 3 people are needed to complete the same work due to more switching-on and switching-off wiring terminals of the high-voltage-level circuit breakers, so that the work efficiency is seriously influenced; when the connection is recovered, the situation of poor circuit contact may exist, which causes the problem that the breaker can not be normally switched on and off.
SUMMERY OF THE UTILITY MODEL
In order to satisfy the requirement of field test, improve the supervision quality and the efficiency that electric power overhauld, the utility model aims at providing one set of special terminal of circuit breaker mechanical property test, through using this set of special terminal, can realize alone alright accomplish the mechanical property test work of a 220kV or 110kV circuit breaker, improve work efficiency, reduce the operation risk.
The technical scheme adopted by the utility model is that the special terminal for the mechanical characteristic test of the circuit breaker comprises a copper terminal, a first insulating part and a second insulating part, wherein the copper terminal is of a Y-shaped structure, the upper end of the copper terminal is provided with two solid pins, and the two solid pins can be inserted into the round holes of the circuit breaker terminal row and are communicated with the conductive part of the circuit breaker terminal row; the lower end of the copper terminal is provided with a hollow pin, the hollow part of the hollow pin is a wire guide hole, and the wire guide hole is used for connecting and disconnecting a test wire of a mechanical characteristic tester of the circuit breaker; the first insulating part and the second insulating part can be buckled with each other and wrap the parts of the copper terminal except for the two solid pins; the second insulating part is also provided with a marking area for marking and distinguishing different terminals.
The lateral wall of first insulating part on be equipped with positioning groove, be equipped with on the lateral wall of second insulating part with positioning groove adapted location protruding, first insulating part and second insulating part pass through positioning groove and protruding looks lock in location.
The special terminals comprise a group of terminals at a switch-off end, a group of terminals at a switch-on end and a group of terminals at a public end, and the three groups of terminals are provided with different marks in the mark area for distinguishing.
The utility model discloses possess following beneficial effect:
(1) the setting up of wire guide makes things convenient for the test wire disect insertion copper terminal in the jack, is difficult for droing and safety, and area of contact is big moreover, and contact resistance is little, can improve the security and the accuracy of circuit breaker mechanical properties test. The special terminal has the advantages of simple structure, convenience in installation and maintenance, strong universality and the like.
(2) The setting of insulating part can prevent that the tester from touching the electrified position of special terminal by mistake when experimental, ensures personal and equipment safety.
(3) The three groups of terminals of the terminal of the switching-on end, the terminal of the switching-off end and the terminal of the public end are marked differently in the marking area, so that the loop checking time is saved, and the working efficiency is improved.
Drawings
Fig. 1 is a diagram illustrating a first structure of a terminal dedicated for testing mechanical characteristics of a circuit breaker according to the present invention.
Fig. 2 is a diagram illustrating a second structure of the terminal dedicated for testing mechanical characteristics of the circuit breaker according to the present invention.
Fig. 3 is a structural view of the first insulating portion according to the present invention.
Fig. 4 is a structural view of the second insulating portion according to the present invention.
Fig. 5 is a structural view of the copper terminal and the second insulating portion according to the present invention.
The reference signs are: 1. solid pin, 2, first insulating part, 3, second insulating part, 4, wire hole, 5, hollow pin, 6, marking area.
Detailed Description
The structure of the special terminal for testing mechanical characteristics of the circuit breaker of the present invention will be described with reference to the accompanying drawings and embodiments.
As shown in fig. 1-5, a special terminal for testing mechanical characteristics of a circuit breaker comprises a copper terminal, a first insulating part 2 and a second insulating part 3, wherein the copper terminal is of a Y-shaped structure, the upper end of the copper terminal is provided with two solid pins 1, and the two solid pins 1 can be inserted into round holes of a circuit breaker terminal row and are communicated with a conductive part of the circuit breaker terminal row; the lower end of the copper terminal is provided with a hollow pin 5, the hollow part of the hollow pin 5 is a wire guide hole 4, and the wire guide hole 4 is used for connecting and disconnecting a test wire of a mechanical characteristic tester of the circuit breaker; the lateral wall of first insulating part 2 on be equipped with positioning groove, be equipped with on the lateral wall of second insulating part 3 with positioning groove adapted location protruding, first insulating part 2 and second insulating part 3 are buckled mutually and are wrapped up the part of copper terminal except that two solid stitch 1 through positioning groove and location protruding. The second insulating part 3 is further provided with a mark area 6, the special terminals comprise terminals of a group of switch-off ends, terminals of a group of switch-on ends and terminals of a group of public ends, and the three groups of terminals are provided with different marks in the mark area 6 for distinguishing.
Claims (3)
1. The special terminal for testing the mechanical characteristics of the circuit breaker is characterized by comprising a copper terminal, a first insulating part and a second insulating part, wherein the copper terminal is of a Y-shaped structure, two solid pins are arranged at the upper end of the copper terminal, and the two solid pins can be inserted into round holes of a circuit breaker terminal row and are communicated with a conductive part of the circuit breaker terminal row; the lower end of the copper terminal is provided with a hollow pin, the hollow part of the hollow pin is a wire guide hole, and the wire guide hole is used for connecting and disconnecting a test wire of a mechanical characteristic tester of the circuit breaker; the first insulating part and the second insulating part can be buckled with each other and wrap the parts of the copper terminal except for the two solid pins; the second insulating part is also provided with a marking area for marking and distinguishing different terminals.
2. The special terminal for testing mechanical characteristics of a circuit breaker according to claim 1, wherein a positioning groove is formed on a side wall of the first insulating portion, a positioning protrusion adapted to the positioning groove is formed on a side wall of the second insulating portion, and the first insulating portion and the second insulating portion are engaged with each other by the positioning groove and the positioning protrusion.
3. The special terminal for testing mechanical characteristics of a circuit breaker as claimed in claim 1, wherein the special terminal comprises a group of terminals of a switch-off end, a group of terminals of a switch-on end and a group of terminals of a common end, and the three groups of terminals are distinguished by setting different marks in the mark area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934536.0U CN211122923U (en) | 2018-11-22 | 2018-11-22 | Special terminal for testing mechanical characteristics of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934536.0U CN211122923U (en) | 2018-11-22 | 2018-11-22 | Special terminal for testing mechanical characteristics of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211122923U true CN211122923U (en) | 2020-07-28 |
Family
ID=71699102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934536.0U Active CN211122923U (en) | 2018-11-22 | 2018-11-22 | Special terminal for testing mechanical characteristics of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211122923U (en) |
-
2018
- 2018-11-22 CN CN201821934536.0U patent/CN211122923U/en active Active
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