CN210516525U - Circuit breaker locking linkage mechanism for guaranteeing safety of operators and equipment - Google Patents
Circuit breaker locking linkage mechanism for guaranteeing safety of operators and equipment Download PDFInfo
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- CN210516525U CN210516525U CN201921939194.6U CN201921939194U CN210516525U CN 210516525 U CN210516525 U CN 210516525U CN 201921939194 U CN201921939194 U CN 201921939194U CN 210516525 U CN210516525 U CN 210516525U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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Abstract
The utility model relates to a circuit breaker shutting link gear of guarantee operating personnel and equipment safety belongs to power supply safety interlocking technical field. The technical scheme is as follows: a hole (11) is formed in the operating mechanism shell (10), and the steel wire (4) penetrates through the hole (11) and is connected with the circuit breaker operating rod (13); the steel wire (4) is fixed with spring clip (14) between hole (11) and circuit breaker operating lever (13), is equipped with spring (12) between spring clip (14) and hole (11), and steel wire (4) pass at the spring center. The utility model has the advantages that: under the condition that the circuit breaker does not act or personnel misoperation occurs, the disconnecting switch operating handle is rotated, and meanwhile, the disconnecting mechanism of the circuit breaker is pulled by mechanical linkage, so that the disconnecting of the circuit breaker is realized, and the safety of operating personnel and equipment is guaranteed.
Description
Technical Field
The utility model relates to a circuit breaker shutting link gear of guarantee operating personnel and equipment safety belongs to power supply safety interlocking technical field.
Background
High-voltage switch cabinets are electrical installations which are frequently used for power supply systems. However, switchgear cabinets produced by equipment manufacturers suffer from the problem of having no circuit breaker lockout linkages. For example: the equipment manufacturer is an XGN2-12 type switch cabinet produced by Qingdao Teruide electric company Limited, and a VS1 type vacuum switch is attached inside the switch cabinet; the linkage mechanism of the switch is a JS-type operation linkage mechanism operation program, a manufacturer is Deltay electrical equipment Limited company in Jiangshan, the switch cabinet has no linkage switch tripping function, and has no mechanical linkage device between the operation linkage mechanism and the circuit breaker body, so that the circuit breaker can not be forcibly disconnected while the operation handle of the isolating switch is operated, and higher potential safety hazard exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a circuit breaker shutting link gear of guarantee operating personnel and equipment safety, under the condition that the circuit breaker does not move or personnel maloperation appearing, when rotating isolator operating handle, utilize the separating brake mechanism of the chain pulling circuit breaker of machinery, realize the separating brake of circuit breaker, the safety of guarantee operating personnel and equipment solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a circuit breaker locking linkage mechanism for ensuring the safety of operators and equipment is characterized in that a switch cabinet body is internally provided with a middle partition plate which divides the switch cabinet body into A, B parts, wherein the A part is provided with an isolating switch, and the B part is provided with a circuit breaker; it is characterized in that: an operating handle of the isolating switch in the part A is connected with a connecting rod, a mounting hole is formed in the connecting rod, and a steel wire penetrates through the mounting hole and is positioned through a fixed steel wire clamp; the middle partition plate is provided with a through hole, a steel wire penetrates through the through hole to enter the part B, the circuit breaker is arranged in the operating mechanism shell, the operating mechanism shell is provided with a hole, and the steel wire penetrates through the hole to be connected with the operating rod of the circuit breaker; the steel wire is used for fixing a spring clip between the hole and the operating rod of the circuit breaker, a spring is arranged between the spring clip and the hole, and the steel wire penetrates through the center of the spring; one end of the spring is supported against the operating mechanism shell beside the hole, and the other end of the spring is fixed on the spring clip.
An outer sheath is arranged outside the steel wire.
The breaker operating rod is a switching-off coil top plate of the breaker.
Adopt the utility model discloses, under the condition that the circuit breaker does not move or personnel maloperation appearing, rotate isolator's operating handle simultaneously, the separating brake of circuit breaker is realized to the sharp circuit breaker action bars of steel wire pulling, ensures the safety of operating personnel and equipment.
The utility model discloses reliability, security experiment have been carried out: in the test process, a maintainer firstly simulates the disconnecting link operation under the condition of switching on the circuit breaker, and the circuit breaker is reliably switched off when an operating handle of the isolating switch is rotated. After the operation of the operating handle of the isolating switch is finished, the isolating switch is turned to a working position, the steel wire resets under the action of the spring, and the breaker is reliably switched on. The condition that the breaker cannot be opened or closed is not generated in the opening and closing test for 50 continuous times, and the safety of operation and maintenance personnel and equipment can be reliably guaranteed.
The utility model has the advantages that: under the condition that the circuit breaker does not act or personnel misoperation occurs, the disconnecting switch operating handle is rotated, and meanwhile, the disconnecting mechanism of the circuit breaker is pulled by mechanical linkage, so that the disconnecting of the circuit breaker is realized, and the safety of operating personnel and equipment is guaranteed.
Drawings
FIG. 1 is a schematic view of part B of the present invention;
FIG. 2 is a schematic view of part A of the present invention;
in the figure: the switch cabinet comprises an operating handle 1, a connecting rod 2, a mounting hole 3, a steel wire 4, a fixed steel wire clip 5, a switch cabinet body 6, a middle partition plate 7, a through hole 8, an outer sheath 9, an operating mechanism shell 10, a hole 11, a spring 12, a breaker operating rod 13 and a spring clip 14.
Detailed Description
The present invention will be further described with reference to the following examples in conjunction with the accompanying drawings.
A breaker locking linkage mechanism for ensuring the safety of operators and equipment is characterized in that a switch cabinet body 6 is internally provided with a middle partition plate 7 which divides the switch cabinet body 6 into A, B parts, wherein the A part is provided with an isolating switch, and the B part is provided with a breaker; it is characterized in that: an operating handle 1 of the isolating switch in the part A is connected with a connecting rod 2, a mounting hole 3 is formed in the connecting rod 2, and a steel wire 4 penetrates through the mounting hole 3 and is positioned through a fixed steel wire clamp 5; the middle partition plate 7 is provided with a through hole 8, the steel wire 4 penetrates through the through hole 8 to enter the part B, the circuit breaker is arranged in an operating mechanism shell 10, the operating mechanism shell 10 is provided with a hole 11, and the steel wire 4 penetrates through the hole 11 to be connected with an operating rod 13 of the circuit breaker; the steel wire 4 is fixedly provided with a spring clip 14 between the hole 11 and the breaker operating rod 13, a spring 12 is arranged between the spring clip 14 and the hole 11, and the steel wire 4 penetrates through the center of the spring; one end of the spring 12 is supported on the operating mechanism shell 10 beside the hole 11, and the other end is fixed on the spring clip 14.
An outer sheath 9 is arranged outside the steel wire 4.
The breaker operating rod 13 is a top plate of a switching-off coil of the breaker.
Adopt the utility model discloses, under the condition that the circuit breaker does not move or personnel maloperation appearing, rotate isolator's operating handle 1 simultaneously, the separating brake of circuit breaker is realized to the sharp circuit breaker action bars 13 of 4 stimulations of steel wire, the safety of guarantee operating personnel and equipment.
In this embodiment, the switch cabinet installed in a certain substation is an XGN2-12 type switch cabinet produced by electric appliances ltd, tesidered, qingdao, and a VS1 type vacuum switch is attached inside, and the linkage mechanism is an operation program of a JS type operation linkage mechanism, and is provided for deltai electric appliances ltd, jiangshan city. In the process of checking and accepting before the power transmission of the transformer substation, the switch cabinet has no linkage switch tripping function, cannot forcibly disconnect the circuit breaker while operating the disconnecting switch operating handle, and has higher potential safety hazard. The device is improved, a flexible connection mode is adopted, the device is changed slightly, and the time for power transmission cannot be influenced. The steel wire 4 of selecting the flexible coupling is the bicycle and acts as go-between, and this kind of material is soft can bend the angle at will, and the material of acting as go-between is stranded steel wire, and intensity is guaranteed, and the steel wire 4 outside has oversheath 9 can protect the steel wire. A connecting rod 2 on the back of an operating handle of the isolating switch is provided with a mounting hole, and a steel wire 4 is fixed by the mounting hole. A2 mm hole 11 is formed in the top of an operating mechanism shell 10 of the circuit breaker and used for allowing a steel wire to penetrate through, and a small hole with the diameter of 1.5mm is formed in a top plate of a switching-off coil of the circuit breaker and used for fixing the steel wire. One section of spring is installed at the top of the inner side of the circuit breaker, one end of the spring is pushed against the top of the operating mechanism shell 10, one end of the spring is fixed on the steel wire through a spring clip 14, the spring is installed through pushing force, and after the operating handle rotates, the steel wire can return to a normal position through the pushing force of the spring.
Claims (2)
1. A circuit breaker locking linkage mechanism for ensuring the safety of operators and equipment is characterized in that a switch cabinet body (6) is internally provided with a middle partition plate (7) which divides the switch cabinet body (6) into A, B parts, wherein the part A is provided with an isolating switch, and the part B is provided with a circuit breaker; the method is characterized in that: an operating handle (1) of the isolating switch in the part A is connected with a connecting rod (2), a mounting hole (3) is formed in the connecting rod (2), and a steel wire (4) penetrates through the mounting hole (3) and is positioned through a fixed steel wire clamp (5); the middle partition plate (7) is provided with a through hole (8), the steel wire (4) penetrates through the through hole (8) to enter the part B, the circuit breaker is arranged in an operating mechanism shell (10), a hole (11) is formed in the operating mechanism shell (10), and the steel wire (4) penetrates through the hole (11) to be connected with an operating rod (13) of the circuit breaker; the steel wire (4) is fixedly provided with a spring clip (14) between the hole (11) and the circuit breaker operating rod (13), a spring (12) is arranged between the spring clip (14) and the hole (11), and the steel wire (4) penetrates through the center of the spring; one end of the spring (12) is supported against the operating mechanism shell (10) beside the hole (11), and the other end of the spring is fixed on the spring clip (14).
2. The circuit breaker lockout linkage mechanism for ensuring safety of operators and equipment according to claim 1, wherein: an outer sheath (9) is arranged outside the steel wire (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939194.6U CN210516525U (en) | 2019-11-12 | 2019-11-12 | Circuit breaker locking linkage mechanism for guaranteeing safety of operators and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939194.6U CN210516525U (en) | 2019-11-12 | 2019-11-12 | Circuit breaker locking linkage mechanism for guaranteeing safety of operators and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516525U true CN210516525U (en) | 2020-05-12 |
Family
ID=70574432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939194.6U Active CN210516525U (en) | 2019-11-12 | 2019-11-12 | Circuit breaker locking linkage mechanism for guaranteeing safety of operators and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516525U (en) |
-
2019
- 2019-11-12 CN CN201921939194.6U patent/CN210516525U/en active Active
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