CN201758086U - Safety interlocking mechanism for fixed metal closed high-voltage switching device - Google Patents
Safety interlocking mechanism for fixed metal closed high-voltage switching device Download PDFInfo
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- CN201758086U CN201758086U CN2010202672301U CN201020267230U CN201758086U CN 201758086 U CN201758086 U CN 201758086U CN 2010202672301 U CN2010202672301 U CN 2010202672301U CN 201020267230 U CN201020267230 U CN 201020267230U CN 201758086 U CN201758086 U CN 201758086U
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- connecting rod
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- bent plate
- isolation knife
- operating mechanism
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Abstract
The utility model discloses a safety interlocking mechanism for a fixed metal closed high-voltage switching device, which comprises an isolation knife operating mechanism and an inlet VD4 circuit breaker divide-shut brake operating shaft, and a safety interlocking device is arranged between the isolation knife operating mechanism and the inlet VD4 circuit breaker divide-shut brake operating shaft, wherein the safety interlocking device has a structure that the inlet VD4 circuit breaker divide-shut brake operating shaft is connected at one end of a circular connecting rod, the other end of the circular connecting rod is connected at one end of a lever connecting rod, the other end of the lever connecting rod is arranged at one end of a connecting curved plate, the other end of the connecting curved plate is connected with a guide rod, and the guide rod acts on a pull handle of the isolation knife operating mechanism. An inlet VD4 circuit breaker divide-shut brake of the safety interlocking mechanism can drive a limiting plate of the isolation knife operating mechanism to freely slide up and down through the operating shaft, the circular connecting rod, the lever connecting rod and the connecting curved plate, and realize interlocking of all operation and control mechanisms, thereby leading the transmission to be more reliable and completely meeting the requirements of electrical safety protection of a switch cabinet.
Description
Technical field
The utility model relates to a kind of fixed metal-enclosed high voltage switch-gear, especially relates to the safety interlock for overhead of joining import VD4 circuit breaker in this kind switchgear.
Background technology
In the electric power system at present, its high voltage switchgear all adopts the fixed metal enclosed switchgear of joining import VD4 vacuum circuit-breaker.But, the safety interlocking structure more complicated of its each operating mechanism, particularly its mechanical interlock mechanism all adopts the steel wire rope transmission, and not only installation accuracy is had relatively high expectations, and is difficult to regulate to reach its interlocking position, and cabinet is in transportation, installation, use, if very little deformation takes place, will make its interlocking size change and lost efficacy, operating accident takes place easily, make whole five anti-interlockings lose efficacy, so its reliability is relatively poor.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of fixed metal-enclosed high voltage switch-gear safety interlock for overhead at problems of the prior art, its objective is safety interlock by being provided with, the safety interlocking of import VD4 circuit breaker operation mechanism is joined in realization, guarantees the reliability of equipment.
The technical solution of the utility model is the fixed metal-enclosed high voltage switch-gear safety interlock for overhead of this kind, comprise isolation knife operating mechanism and import VD4 circuit-breaker switching on-off operating axis, be provided with safety interlock between described isolation knife operating mechanism and the import VD4 circuit-breaker switching on-off operating axis, described safety interlock is: import VD4 circuit-breaker switching on-off operating axis is connected an end of round connecting rod, the other end of circle connecting rod is connected an end of lever connecting rod, the other end of lever connecting rod is arranged on an end that connects bent plate, the other end that connects bent plate is connected with guide post, and guide post acts on the isolation knife operating mechanism handle.
Described guide post is connected with fixed support, and fixed support is located at an end of " L " type bent plate, and the other end of " L " type bent plate is connected with described isolation knife operating mechanism handle.
Described support bracket fastened middle part is provided with pilot hole, and is connected with described guide post by this pilot hole.
Be provided with the gap that guarantees that guide post is free to slide between described pilot hole and guide post.
Described guide post is provided with screwed hole near an end of " L " type bent plate, and by threaded rod and firm the linking together of " L " type bent plate.
A kind of fixed metal-enclosed high voltage switch-gear with above-mentioned special construction has the following advantages with safety interlock for overhead:
Drive the isolation knife operating mechanism confinement plate and freely slide up and down by its operating axis, circle connecting rod, lever connecting rod, connection bent plate when 1, the fixed metal-enclosed high voltage switch-gear of this kind is with the divide-shut brake of the import VD4 circuit breaker of safety interlock for overhead, realized each operating mechanism interlocking, its kind of drive is more reliable, satisfies the requirement of the electrical safety protection of switch cubicle fully.
2, the fixed metal-enclosed high voltage switch-gear of this kind simple in structure with safety interlock for overhead, be easy to realize to have good application and popularization value.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation that import VD4 circuit breaker connects connecting lever in the utility model.
Fig. 3 is the structural representation of import VD4 circuit breaker connecting lever brace in the utility model.
Fig. 4 is import VD4 circuit breaker connecting lever and a connecting lever brace combination schematic diagram in the utility model.
In Fig. 1-4,1: import VD4 circuit-breaker switching on-off operating axis; 2: the circle connecting rod; 3: lever connecting rod; 4: connect bent plate; 5: guide post; 6: the isolation knife operating mechanism handle; 7: fixed support; 8: " L " type bent plate;
Embodiment
By the combination of structure shown in Fig. 1-4 as can be known, the fixed metal-enclosed high voltage switch-gear of this kind comprises isolation knife operating mechanism and import VD4 circuit-breaker switching on-off operating axis with safety interlock for overhead, be provided with safety interlock between isolation knife operating mechanism and the import VD4 circuit-breaker switching on-off operating axis, wherein, safety interlock is: import VD4 circuit-breaker switching on-off operating axis 1 is connected an end of round connecting rod 2, the other end of circle connecting rod 2 is connected an end of lever connecting rod 3, the other end of lever connecting rod 3 is arranged on an end that connects bent plate 4, the other end that connects bent plate 4 is connected with guide post 5, guide post 5 acts on the isolation knife operating mechanism handle 6, specifically: guide post 5 is connected with fixed support 7, fixed support 7 is located at an end of " L " type bent plate 8, and the other end of " L " type bent plate 8 is connected with described isolation knife operating mechanism handle 6; The middle part of fixed support 7 is provided with pilot hole, and is connected with guide post 5 by this pilot hole, is provided with the gap that guarantees that guide post 5 is free to slide between pilot hole and the guide post 5; Guide post 5 is provided with screwed hole near an end of " L " type bent plate 8, and by threaded rod and 8 firm the linking together of " L " type bent plate.
The concrete course of work is: when import VD4 circuit-breaker switching on-off operating axis 1 is in "on" position, " L " type bent plate 8, fixed support 7, guide post 5, connecting bent plate 4 connects, circle connecting rod 2, round pin 9, chain pin 10, " worker " type support 11, " L " type pallet 12, when import VD4 circuit-breaker switching on-off operating axis 1 connects, under the breaker closing transmission drives, import VD4 circuit-breaker switching on-off operating axis 1 drives circle connecting rod 2, circle connecting rod 2 drives chain pin 10, chain pin 10 drives lever connecting rod 3, lever connecting rod 3 drives and connects bent plate 4, connect bent plate 4 and drive guide post 5, guide post 5 drives " L " type bent plate 8 and moves upward, " L " type bent plate 8 blocks isolation knife operating mechanism handle 6 at this moment, and last isolation knife cannot be operated.
When import VD4 circuit breaker deciliter operating axis 1 is in gate-dividing state, " L " type bent plate 8, fixed support 7, guide post 5, connecting bent plate 4 connects, circle connecting rod 2, round pin 9, chain pin 10, " worker " type support 11, " L " type pallet 12, when import VD4 circuit-breaker switching on-off operating axis 1 connects, under the breaker open operation transmission drives, import VD4 circuit-breaker switching on-off operating axis 1 drives circle connecting rod 2, circle connecting rod 2 drives chain pin 10, chain pin 10 drives lever connecting rod 3, lever connecting rod 3 heads move downward, connect bent plate 4 this moment and drive guide post 5, guide post 5 drives " L " type bent plate 8 and moves upward, at this moment, " L " type bent plate 8 freely falls downwards, unclamps isolation knife operating mechanism handle 6, and isolation knife can be operated on this moment.
By above-mentioned motion, the fixed metal-enclosed high voltage switch-gear of this kind drives the isolation knife operating mechanism confinement plate and freely slides up and down by its operating axis, circle connecting rod, lever connecting rod, connection bent plate during with the divide-shut brake of the import VD4 circuit breaker of safety interlock for overhead, realized each operating mechanism interlocking, its kind of drive is more reliable, satisfies the requirement of the electrical safety protection of switch cubicle fully.
Claims (5)
1. fixed metal-enclosed high voltage switch-gear safety interlock for overhead, comprise isolation knife operating mechanism and import VD4 circuit-breaker switching on-off operating axis, it is characterized in that: be provided with safety interlock between described isolation knife operating mechanism and the import VD4 circuit-breaker switching on-off operating axis, described safety interlock is: import VD4 circuit-breaker switching on-off operating axis (1) is connected an end of round connecting rod (2), the other end of circle connecting rod (2) is connected an end of lever connecting rod (3), the other end of lever connecting rod (3) is arranged on an end that connects bent plate (4), the other end that connects bent plate (4) is connected with guide post (5), and guide post (5) acts on the isolation knife operating mechanism handle (6).
2. a kind of fixed metal-enclosed high voltage switch-gear safety interlock for overhead according to claim 1, it is characterized in that: described guide post (5) is connected with fixed support (7), fixed support (7) is located at an end of " L " type bent plate (8), the other end of " L " type bent plate (8) and described isolation knife operating mechanism shake hands (6) be connected.
3. a kind of fixed metal-enclosed high voltage switch-gear safety interlock for overhead according to claim 2, it is characterized in that: the middle part of described fixed support (7) is provided with pilot hole, and is connected with described guide post (5) by this pilot hole.
4. a kind of fixed metal-enclosed high voltage switch-gear safety interlock for overhead according to claim 3 is characterized in that: be provided with the gap that guarantees that guide post (5) is free to slide between described pilot hole and the guide post (5).
5. according to the described a kind of fixed metal-enclosed high voltage switch-gear safety interlock for overhead of each claim of claim 1-4, it is characterized in that: described guide post (5) is provided with screwed hole near an end of " L " type bent plate (8), and by threaded rod and firm the linking together of " L " type bent plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202672301U CN201758086U (en) | 2010-07-20 | 2010-07-20 | Safety interlocking mechanism for fixed metal closed high-voltage switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202672301U CN201758086U (en) | 2010-07-20 | 2010-07-20 | Safety interlocking mechanism for fixed metal closed high-voltage switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201758086U true CN201758086U (en) | 2011-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202672301U Expired - Fee Related CN201758086U (en) | 2010-07-20 | 2010-07-20 | Safety interlocking mechanism for fixed metal closed high-voltage switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201758086U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024608A (en) * | 2010-12-08 | 2011-04-20 | 安徽鑫龙电器股份有限公司 | Safety interlocking device for high-voltage switchgear equipment |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102646543A (en) * | 2012-04-25 | 2012-08-22 | 浙江临高电气实业有限公司 | Interlocking device used for high-voltage switch equipment |
| CN109038341A (en) * | 2018-08-28 | 2018-12-18 | 杭州之江开关股份有限公司 | A kind of mechanical interlock mechanism for high-voltage vacuum circuit breaker device and its operating method |
-
2010
- 2010-07-20 CN CN2010202672301U patent/CN201758086U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024608A (en) * | 2010-12-08 | 2011-04-20 | 安徽鑫龙电器股份有限公司 | Safety interlocking device for high-voltage switchgear equipment |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102543516B (en) * | 2012-01-10 | 2015-02-25 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN102646543A (en) * | 2012-04-25 | 2012-08-22 | 浙江临高电气实业有限公司 | Interlocking device used for high-voltage switch equipment |
| CN102646543B (en) * | 2012-04-25 | 2014-12-31 | 浙江临高电气实业有限公司 | Interlocking device used for high-voltage switch equipment |
| CN109038341A (en) * | 2018-08-28 | 2018-12-18 | 杭州之江开关股份有限公司 | A kind of mechanical interlock mechanism for high-voltage vacuum circuit breaker device and its operating method |
| CN109038341B (en) * | 2018-08-28 | 2023-10-20 | 杭州之江开关股份有限公司 | Mechanical interlocking device of high-voltage vacuum circuit breaker and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110309 Termination date: 20130720 |