CN218470156U - Circuit breaker mechanical characteristic test tool - Google Patents
Circuit breaker mechanical characteristic test tool Download PDFInfo
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- CN218470156U CN218470156U CN202222449121.7U CN202222449121U CN218470156U CN 218470156 U CN218470156 U CN 218470156U CN 202222449121 U CN202222449121 U CN 202222449121U CN 218470156 U CN218470156 U CN 218470156U
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- circuit breaker
- mechanical characteristic
- linear displacement
- mounting
- testing tool
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Abstract
The utility model discloses a circuit breaker mechanical characteristic test fixture, including mounting panel, linear displacement detection spare and universal joint, the mounting panel is fixed in on the circuit breaker body, linear displacement detection spare install in on the mounting panel, universal joint's one end links to each other with linear displacement detection spare, and the other end links to each other with the connecting rod of circuit breaker. The utility model has the advantages of simple structure, easy and simple disassembly and assembly, quick and effective test, etc.
Description
Technical Field
The utility model mainly relates to a circuit breaker test technical field, concretely relates to circuit breaker mechanical properties tests frock.
Background
The circuit breaker plays an important role in the power grid to control and protect other equipment of the power grid, and when the circuit breaker breaks down, the circuit breaker causes a power grid accident, so that a safety accident is caused. The mechanical characteristics of the circuit breaker can reflect the closing and opening performances of the circuit breaker laterally, and the circuit breaker is an important index of the performance of the circuit breaker, and the circuit breaker can fully exert the current opening and closing capacity thereof only by ensuring proper opening and closing speed, and reduce the contact electrical wear caused by pre-breakdown energy in the closing process, thereby avoiding the occurrence of contact burning loss and even explosion. In addition, the closing speed is too low, and the contact is vibrated or in a stagnation state due to the effect of blocking the closing electric power of the contact, so that explosion is easily caused, particularly under the condition that automatic reclosing is unsuccessful. Conversely, too high a speed would subject the moving mechanism to excessive mechanical stress, resulting in damage to individual components or a reduced service life. At the same time, the contact bounce time will also be lengthened due to the strong mechanical shock and vibration.
Therefore, before each circuit breaker is used in the electric equipment, the mechanical characteristics of the circuit breaker need to be tested, and the switching-on and switching-off speed and the bouncing time of the circuit breaker are ensured to be within the technical requirement range. When the relevant data of the measured mechanical characteristics of the circuit breaker is not within the normal range, the circuit breaker needs to be considered for maintenance or replacement. The existing test tool can only test an independent circuit breaker, but cannot test the installed circuit breaker, and has a complex integral structure and complex operation.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in: problem to prior art exists, the utility model provides a simple structure, dismouting are simple and convenient, the quick circuit breaker mechanical characteristics test fixture of test.
In order to solve the technical problem, the utility model provides a technical scheme does:
the utility model provides a circuit breaker mechanical properties test fixture, includes mounting panel, linear displacement detection spare and universal joint, the mounting panel is fixed in on the circuit breaker body, linear displacement detection spare install in on the mounting panel, universal joint's one end links to each other with linear displacement detection spare, and the other end links to each other with the connecting rod of circuit breaker.
As a further improvement of the above technical solution:
the linear displacement detection piece is a linear displacement sensor, an external thread is arranged on a telescopic rod of the linear displacement sensor, and the telescopic rod of the linear displacement sensor is in threaded connection with one end of the universal coupling.
The other end of the universal coupling is connected with a connecting rod of the circuit breaker through a mounting assembly.
The mounting assembly comprises a screw and a connecting piece, one end of the screw extends into the other end of the universal coupling and is fastened through a self-tapping screw, the connecting piece is L-shaped, mounting holes are formed in two sides of the L-shaped connecting piece, the other end of the screw extends into the mounting hole in one side of the connecting piece and is fastened through a nut, and a connecting rod of the circuit breaker extends into the mounting hole in the other side of the connecting piece and is fastened through a nut.
The mounting panel is II type, and wherein the both sides limit of mounting panel all is equipped with the bar hole, the downthehole bolt that is provided with of bar, the bolt passes the bar hole with the circuit breaker body links to each other.
The middle plate of the mounting plate is provided with a fixing hole, a fixing bolt penetrates through the fixing hole, and the linear displacement detection piece is fastened on the mounting plate through the fixing bolt in threaded connection with the fixing hole.
The test unit is connected with the output end of the linear displacement detection piece.
The testing unit is a mechanical property tester.
Compared with the prior art, the utility model has the advantages of:
the mechanical characteristic testing tool for the circuit breaker can quickly and effectively test the mechanical characteristic of the circuit breaker after the circuit breaker is assembled, so that the detection time is shortened, the production efficiency is accelerated, and the performance of the circuit breaker is ensured to meet the technical requirements; the universal coupling not only plays a role in connection, but also can eliminate axial stress and reduce test errors; the whole structure is simple, the disassembly and the assembly are simple and convenient, the material consumption is low and the cost is low.
Drawings
Fig. 1 is a diagram of an embodiment of the testing tool of the present invention in specific application.
Fig. 2 is a perspective view of the linear displacement detecting element according to the embodiment of the present invention.
Fig. 3 is a perspective view of the universal joint according to the embodiment of the present invention.
Fig. 4 is a schematic structural view of the connection screw according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a connection plate according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the mounting plate according to the embodiment of the present invention.
Illustration of the drawings: 1. mounting a plate; 101. a strip-shaped hole; 2. a linear displacement detecting member; 201. a telescopic rod; 3. a universal coupling; 4. mounting the component; 401. connecting sheets; 402. a screw; 403. self-tapping screws; 5. a circuit breaker body; 501. a main shaft; 502. a motion cam; 503. a connecting rod; 504. a vacuum arc-extinguishing chamber.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 and 2, the utility model discloses circuit breaker mechanical properties test fixture, including mounting panel 1, straight line displacement detection piece 2 and universal joint 3, on mounting panel 1 was fixed in circuit breaker body 5, straight line displacement detection piece 2 was installed on mounting panel 1, and universal joint 3's one end links to each other with straight line displacement detection piece 2, and the other end links to each other with the connecting rod 503 of circuit breaker. The specific action process of the circuit breaker is as follows: a main shaft 501 of the circuit breaker can generate rotary motion under the driving of an operating mechanism, and the main shaft 501 drives a motion cam 502 on the tail end to force a connecting rod 503 to move up and down, so that the opening and closing of a vacuum arc extinguish chamber 504 are realized; when the connecting rod 503 of the circuit breaker moves up and down, the telescopic rod 201 of the linear displacement detection piece 2 can be driven to move up and down, so that the linear displacement detection piece 2 generates signal change, and the testing effect is achieved.
The mechanical characteristic testing tool for the circuit breaker can quickly and effectively test the mechanical characteristic of the circuit breaker after the circuit breaker is assembled, so that the detection time is shortened, the production efficiency is accelerated, and the performance of the circuit breaker is ensured to meet the technical requirements; the universal coupling 3 not only plays a role in connection, but also can eliminate axial stress and reduce test errors; the whole structure is simple, the disassembly and the assembly are simple and convenient, the material consumption is low and the cost is low.
In a specific embodiment, the linear displacement detecting element 2 is a linear displacement sensor, the telescopic rod 201 of the linear displacement sensor is provided with an external thread, and the telescopic rod 201 of the linear displacement sensor is in threaded connection with one end of the universal coupling 3. The other end of the universal joint 3 is connected to the connecting rod 503 of the circuit breaker through the mounting assembly 4. Specifically, the mounting assembly 4 includes a connecting screw 402 and a connecting piece 401, wherein one end of the connecting screw 402 is unthreaded, and the other end is provided with external threads, and wherein the unthreaded end extends into the other end of the universal joint 3 and is fastened by a self-tapping screw 403 on one side of the universal joint 3. The connecting piece 401 is L-shaped, wherein mounting holes are formed in two sides of the L-shaped connecting piece 401, the other end of the connecting screw 402 extends into the mounting hole in one side of the connecting piece 401 and is fastened through a nut, and the connecting rod 503 of the circuit breaker extends into the mounting hole in the other side of the connecting piece 401 and is fastened through a nut; the universal coupling 3 is connected with the breaker connecting rod 503 through the specific connection of the connecting screw 402 and the connecting piece 401; the mounting structure is simple and is easy and convenient to assemble and disassemble.
The linear displacement sensor is an important component for testing the mechanical characteristics of the circuit breaker, the telescopic rod 201 of the linear displacement sensor generates signal change when moving up and down linearly, and the socket at the tail end can be connected to a mechanical characteristic testing unit (such as a mechanical characteristic tester) through a matched data line so as to achieve the function of data receiving, and then the mechanical characteristic tester outputs required related data and curves.
In a specific embodiment, the mounting plate 1 is of an n-shaped type, and includes side plates on two sides and a middle plate in the middle part, wherein the two sides of the mounting plate 1 are both provided with a bar-shaped hole 101, a bolt is arranged in the bar-shaped hole 101, and the bolt passes through the bar-shaped hole 101 to be connected with the circuit breaker body 5. Wherein the middle plate of the mounting plate 1 is provided with a fixing hole, a fixing bolt penetrates through the fixing hole, and the linear displacement sensor is fastened on the middle plate of the mounting plate 1 through the fixing bolt in threaded connection with the fixing hole; the integral installation mode is simple in structure and easy to disassemble and assemble.
The specific installation process comprises the following steps: the mounting plate 1 is fixed with the two sides of the circuit breaker by a screw and a nut, the linear displacement sensor is mounted on the mounting plate 1, one end of the universal coupling 3 is connected with the telescopic rod 201 of the linear displacement sensor, the other end of the universal coupling 3 is connected with the screw 402, the screw 402 is connected with the connecting rod 503 of the circuit breaker by an L-shaped connecting sheet 401, and the connecting rod is fixed by the nut. Therefore, when the connecting rod 503 of the circuit breaker moves up and down, the telescopic rod 201 of the linear displacement sensor can be driven to move, so that the linear displacement sensor generates signal change, and the test effect is achieved.
As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are inclusive in the plural unless the context clearly dictates otherwise. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Likewise, the word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a circuit breaker mechanical properties test frock, its characterized in that, includes mounting panel (1), straight line displacement detection piece (2) and universal joint (3), on mounting panel (1) was fixed in circuit breaker body (5), straight line displacement detection piece (2) install in on mounting panel (1), the one end and the straight line displacement detection piece (2) of universal joint (3) link to each other, and the other end links to each other with connecting rod (503) of circuit breaker.
2. The mechanical characteristic testing tool for the circuit breaker according to claim 1, wherein the linear displacement detecting member (2) is a linear displacement sensor, an expansion link (201) of the linear displacement sensor is provided with an external thread, and the expansion link (201) of the linear displacement sensor is in threaded connection with one end of the universal coupling (3).
3. The mechanical characteristic testing tool for the circuit breaker according to claim 1 or 2, wherein the other end of the universal coupling (3) is connected with a connecting rod (503) of the circuit breaker through a mounting assembly (4).
4. The mechanical characteristic testing tool for the circuit breaker according to claim 3, wherein the mounting assembly (4) comprises a screw rod (402) and a connecting piece (401), one end of the screw rod (402) extends into the other end of the universal coupling (3) and is fastened through a self-tapping screw (403), the connecting piece (401) is L-shaped, mounting holes are formed in two sides of the L-shaped connecting piece (401), the other end of the screw rod (402) extends into the mounting hole in one side of the connecting piece (401) and is fastened through a nut, and a connecting rod (503) of the circuit breaker extends into the mounting hole in the other side of the connecting piece (401) and is fastened through a nut.
5. The circuit breaker mechanical characteristic testing tool according to claim 1 or 2, characterized in that the mounting plate (1) is n-shaped, wherein both sides of the mounting plate (1) are provided with bar-shaped holes (101), a bolt is arranged in the bar-shaped holes (101), and the bolt passes through the bar-shaped holes (101) and is connected with the circuit breaker body (5).
6. The mechanical characteristic testing tool for the circuit breaker according to claim 5, wherein a fixing hole is formed in the middle plate of the mounting plate (1), a fixing bolt penetrates through the fixing hole, and the linear displacement detecting piece (2) is fastened on the mounting plate (1) through the fixing bolt in threaded connection with the fixing hole.
7. The mechanical characteristic testing tool for the circuit breaker according to claim 1 or 2, further comprising a testing unit, wherein the testing unit is connected with an output end of the linear displacement detecting piece (2).
8. The mechanical characteristic testing tool for the circuit breaker according to claim 7, wherein the testing unit is a mechanical characteristic tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449121.7U CN218470156U (en) | 2022-09-15 | 2022-09-15 | Circuit breaker mechanical characteristic test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449121.7U CN218470156U (en) | 2022-09-15 | 2022-09-15 | Circuit breaker mechanical characteristic test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218470156U true CN218470156U (en) | 2023-02-10 |
Family
ID=85141743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449121.7U Active CN218470156U (en) | 2022-09-15 | 2022-09-15 | Circuit breaker mechanical characteristic test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218470156U (en) |
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2022
- 2022-09-15 CN CN202222449121.7U patent/CN218470156U/en active Active
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