CN210608273U - Interlocking device for switch cabinet handcart - Google Patents
Interlocking device for switch cabinet handcart Download PDFInfo
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- CN210608273U CN210608273U CN201921489291.XU CN201921489291U CN210608273U CN 210608273 U CN210608273 U CN 210608273U CN 201921489291 U CN201921489291 U CN 201921489291U CN 210608273 U CN210608273 U CN 210608273U
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- interlocking
- handcart
- lock
- switch cabinet
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Abstract
The utility model provides an interlocking device for cubical switchboard handcart, include: two or more program locks sharing one key, wherein each program lock is respectively arranged on the corresponding handcart type circuit breaker; the side sealing plates are mounted on the side walls of the switch cabinet and are arranged in parallel with the side walls; the first end of the interlocking bracket fixing plate is connected with one end of the side sealing plate, which extends towards the inner side of the switch cabinet, and the second end of the interlocking bracket fixing plate is connected with the bracket; the first end of the support is connected with the second end of the interlocking support fixing plate, the second end of the support is connected with the side wall of the switch cabinet, a lock hole is formed in the interlocking support fixing plate, and the lock hole corresponds to a lock tongue locked by the program. The problem of current cabinet body inboard fixed procedure lock's side shrouding length dimension can not satisfy the requirement, lead to the procedure lock just can not lock so that the procedure lock can operate at operating position.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, concretely relates to interlocking device is used to cubical switchboard handcart.
Background
The KYN28-24 high-voltage power distribution cabinet is also called a high-voltage switch cabinet and is suitable for transformer substations, power plants, industrial and mining enterprises and the like. The KYN28-24 high-voltage power distribution cabinet is a power distribution system with the alternating current of 50Hz and the rated voltage of 24kv, and is used for electric energy conversion and control of illumination and power distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, high seriousness, strong practicability and the like.
When the system power supply mode adopts two way inlet wire power supplies to supply power for same section generating line, require that there must be mechanical and electrical interlocking between two way inlet wire circuit breakers, female antithetical couplet and the isolated wheelbarrow to ensure that only allow inlet wire power supply circuit breaker of the same way to be in the state of closing at any moment, when requiring a circuit breaker circular telegram promptly, other several circuit breakers must cut off the power supply, avoid the power to supply power simultaneously and cause and open circuit. The existing high-voltage switch cabinet is mechanically interlocked by a handcart type switch into a program interlocking mode, for example, patent document CN201656316U, a program lock is additionally arranged on a handcart type circuit breaker, the program lock is arranged on a program lock bracket, and a hole is formed on a side sealing plate in a cabinet body, so that the position of the handcart type switch is locked by the program lock according to the interlocking requirement; however, the travel of the KYN28-24 handcart switch is 300mm, and the size of a side sealing plate for fixing the program lock on the inner side of the cabinet body cannot meet the requirement, so that the program lock cannot be locked or can be operated in a working position, and the interlocking requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide an interlock for cubical switchboard handcart, solved among the prior art the demand that the size of side seal plate can not satisfy handcart-type circuit breaker stroke, thereby lead to not reaching the requirement of interlocking and cause the technical problem of incident.
In order to achieve the technical purpose, the technical scheme of the utility model provide a cubical switchboard is interlock for handcart, include:
two or more program locks sharing one key, wherein each program lock is respectively arranged on the corresponding handcart type circuit breaker; the side sealing plates are arranged on the side walls of the switch cabinet and are arranged in parallel with the side walls of the switch cabinet; the first end of the interlocking bracket fixing plate is connected with one end of the side sealing plate, which extends towards the inner side of the switch cabinet, and the second end of the interlocking bracket fixing plate is connected with the bracket; the first end of the support is connected with the second end of the interlocking support fixing plate, the second end of the support is connected with the side wall of the switch cabinet, the support is perpendicular to the interlocking support fixing plate and the side sealing plate, a lock hole is formed in the interlocking support fixing plate, and the lock hole corresponds to a lock tongue on the program lock.
Furthermore, the support is connected with the side wall of the switch cabinet through bolts, and two ends of the interlocking support fixing plate are respectively connected with the support and the side sealing plates through bolts.
Further, a mounting seat is installed on the handcart type circuit breaker, and the program lock is installed on the mounting seat.
Further, the program lock is arranged on the left side of the upper portion of the handcart type circuit breaker, and the mounting seat and the side sealing plates are arranged in parallel.
Further, the handcart type circuit breaker is a KYN28-24 cabinet handcart type circuit breaker.
Compared with the prior art, the beneficial effects of the utility model include: the utility model provides an interlock for cubical switchboard handcart interlocking device interlocking support fixed plate has been connected to the direction of elongation of side seal board, is in the lockhole setting on the interlocking support fixed plate, the spring bolt of procedure lock with be located lockhole cooperation locking on the interlocking support fixed plate. The problem of in the prior art because the stroke of KYN28-24 handcart-type switch is 300mm, the size of the side seal plate of the inboard fixed program lock of cabinet body can not satisfy the requirement is solved, realize the requirement of two way inlet wire circuit breakers, female antithetical couplet and isolated handcart safety switch of KYN28-24 high-voltage switchgear, simple structure, use and simple to operate, the commonality is strong, and the cost is extremely low.
Drawings
Fig. 1 is a schematic structural diagram of a KYN28-24 high-voltage power distribution cabinet provided with the interlocking device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of an interlocking bracket fixing plate;
fig. 4 is a schematic structural view of the stent.
Description of reference numerals:
1-switch cabinet, 2-handcart type breaker, 3-side sealing plate, 4-interlocking bracket fixing plate, 5-bracket, 6-program lock, 7-mounting seat and 8-side wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The problem of current because the stroke of KYN28-24 handcart-type switch is 300mm, the size of the side seal plate of the fixed procedure lock of cabinet inboard can not satisfy the requirement, leads to the procedure lock just can not lock so that the procedure lock can operate at the operating position, can not reach the interlocking requirement, causes the incident easily is solved in order to solve.
The utility model provides an interlock is used to cubical switchboard handcart, this interlock can satisfy two way inlet wire circuit breakers of KYN28-24 high-tension switchgear, female antithetical couplet and isolation handcart safety switching's requirement simple structure, uses and simple to operate, and the commonality is strong, and the cost is extremely low.
As shown in fig. 1, the interlocking device for the switch cabinet handcart comprises: two or more program locks 5 sharing one key, wherein each program lock 5 is respectively arranged on the corresponding handcart type circuit breaker 2; the side sealing plates 3 are mounted on the side walls 8 of the switch cabinet 1 and are arranged in parallel with the side walls 8 of the switch cabinet 1; the interlocking bracket fixing plate 4 is connected with one end, extending towards the inner side of the switch cabinet 1, of the side sealing plate 3 at a first end of the interlocking bracket fixing plate 4, and connected with the bracket 3 at a second end of the interlocking bracket fixing plate 4; the locking mechanism comprises a support 5, a first end of the support 5 is connected with a second end of an interlocking support fixing plate 4, a second end of the support 5 is connected with the side wall of the switch cabinet 1, the support 5 is perpendicular to the interlocking support fixing plate 4 and a side sealing plate 3, a locking hole is formed in the interlocking support fixing plate 4, and the locking hole corresponds to a bolt on a program lock 6.
The interlocking device is characterized in that an interlocking support fixing plate 4 is connected to a side sealing plate 3 in the direction extending towards the inner side of a switch cabinet 1, the other end of the interlocking support fixing plate 4 is fixedly connected with a support 5, the support 5 is fixedly arranged on a side wall 8, the support 5 is perpendicular to the side sealing plate 3 and the interlocking support fixing plate 4, a lock hole is formed in the interlocking support fixing plate 4 and corresponds to a lock tongue on a program lock 6, the lock tongue can penetrate through the lock hole, and when the lock tongue penetrates through the lock hole, the program lock is locked, and a key can be pulled out; and the lock tongues of the program lock 6 are withdrawn from the lock hole at other positions, the program lock is at an opening position, the handcart type circuit breaker 2 can be moved to a working position, when the program lock 6 is at the opening position, the key cannot be pulled out, and the key can be pulled out from the program lock 6 only when the program lock 6 is at the locking position.
If other handcart type circuit breakers 2 are to be opened, the handcart type circuit breaker 2 inserted with the key needs to be pushed to a locking position, the program lock 6 is locked, the key can be taken down, and then the other handcart type circuit breaker 2 is opened. Therefore, one handcart type circuit breaker 2 can only be in a power-on state by one key, the phenomenon of short circuit caused by simultaneous power supply of two or more power supplies is avoided, and the safety of a use point is reliably ensured by locking.
The utility model provides a cubical switchboard is interlock device for handcart's concrete operation does, removes the shutting position after the handcart-type circuit breaker 2 that will cut off the power supply breaks off, the spring bolt on the program lock 6 inserts and is located in the lockhole on the interlocking support fixed plate 2 takes out the key, and this circuit breaker is locked on this position, and the circuit breaker can not close a floodgate, unable power supply. The key is inserted into the handcart type circuit breaker 2 needing power supply, the program lock 6 is opened, the key cannot be pulled out of the program lock 6, the handcart type circuit breaker 2 is pushed to the working position, and the power supply is switched on. Therefore, only after one program lock 6 is locked, the other mechanical program lock 6 can be opened, namely, the other handcart type circuit breaker can be switched on only after one handcart type circuit breaker is switched off, the phenomenon that the two handcart type circuit breakers are short-circuited due to the fact that the two handcart type circuit breakers are switched off simultaneously by means of mistaken locking is avoided, and electricity utilization safety is ensured.
As shown in fig. 2 and 3, the bracket 5 is connected to the side wall 8 of the switchgear by bolts, and both ends of the interlocking bracket fixing plate 4 are connected to the bracket 5 and the side sealing plate 3 by bolts, respectively.
Wherein, install mount pad 7 on the handcart-type circuit breaker 2, program lock 6 is installed on mount pad 7.
The program lock 6 is arranged on the left side of the upper portion of the handcart type circuit breaker 2, and the mounting seat 7 is arranged in parallel with the side sealing plate 3.
The handcart type circuit breaker is a KYN28-24 cabinet handcart type circuit breaker.
The utility model provides an interlocking device for cubical switchboard handcart interlocking frame fixed plate 4 has been connected to the direction of 1 inboard extension of cubical switchboard to side seal board 3, is in the lockhole setting interlocking frame fixed plate 4 is last, the spring bolt of procedure lock 6 with be located lockhole cooperation locking on the interlocking frame fixed plate 4. The problem of in the prior art because the stroke of KYN28-24 handcart-type switch is 300mm, the size of the side seal board 3 of the inboard fixed program lock of cabinet body can not satisfy the requirement is solved, add on the basis of the current cabinet body and establish interlocking support fixed plate 4 and support 5 and realize the mechanical shutting to handcart-type switch operating position, satisfy the requirement that two way inlet wire circuit breakers, female antithetical couplet and isolation handcart switch over of KYN28-24 high-voltage switchgear, simple structure, use and simple to operate, the commonality is strong, the cost is extremely low.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a cubical switchboard is interlock for handcart which characterized in that includes:
two or more program locks sharing one key, wherein each program lock is respectively arranged on the corresponding handcart type circuit breaker;
the side sealing plates are mounted on the side walls of the switch cabinet and are arranged in parallel with the side walls of the switch cabinet;
the first end of the interlocking bracket fixing plate is connected with one end of the side sealing plate, which extends towards the inner side of the switch cabinet, and the second end of the interlocking bracket fixing plate is connected with the bracket;
the first end of the support is connected with the second end of the interlocking support fixing plate, the second end of the support is connected with the side wall of the switch cabinet, the support is perpendicular to the interlocking support fixing plate and the side sealing plate, a lock hole is formed in the interlocking support fixing plate, and the lock hole corresponds to a lock tongue on the program lock.
2. The interlocking device for the handcart of the switch cabinet, according to claim 1, wherein the bracket is connected with the side wall of the switch cabinet by bolts, and two ends of the fixing plate of the interlocking bracket are respectively connected with the bracket and the side sealing plates by bolts.
3. The interlocking device for a switch cabinet handcart according to claim 1, wherein a mounting seat is installed on the handcart type circuit breaker, and the program lock is installed on the mounting seat.
4. The interlocking device for the handcart of the switch cabinet, according to claim 3, wherein the program lock is arranged on the left side of the upper part of the handcart type circuit breaker, and the mounting seat is arranged in parallel with the side sealing plate.
5. The switchgear handcart-type interlock of claim 1, wherein the handcart-type circuit breaker is a KYN28-24 cabinet handcart-type circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921489291.XU CN210608273U (en) | 2019-09-09 | 2019-09-09 | Interlocking device for switch cabinet handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921489291.XU CN210608273U (en) | 2019-09-09 | 2019-09-09 | Interlocking device for switch cabinet handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210608273U true CN210608273U (en) | 2020-05-22 |
Family
ID=70687621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921489291.XU Active CN210608273U (en) | 2019-09-09 | 2019-09-09 | Interlocking device for switch cabinet handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210608273U (en) |
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2019
- 2019-09-09 CN CN201921489291.XU patent/CN210608273U/en active Active
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