CN203055718U - Operation interlocking mechanism for switch cabinet grounding switch - Google Patents
Operation interlocking mechanism for switch cabinet grounding switch Download PDFInfo
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- CN203055718U CN203055718U CN 201220749642 CN201220749642U CN203055718U CN 203055718 U CN203055718 U CN 203055718U CN 201220749642 CN201220749642 CN 201220749642 CN 201220749642 U CN201220749642 U CN 201220749642U CN 203055718 U CN203055718 U CN 203055718U
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- slide plate
- cabinet
- slide
- handle hole
- door
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Abstract
The utility model discloses an operation interlocking mechanism for a switch cabinet grounding switch. A switch cabinet is provided with a cabinet body, a breaker, a cable chamber door, a grounding-switch operation shaft and an operation hole corresponding to the grounding-switch operation shaft. The interlocking mechanism comprises a first slide plate and a second slide plate staggered from front to back, wherein the first slide plate can connect with the cabinet in a vertical slide manner and can slide between an upper limit position capable of shielding the operation hole and a lower limit position incapable of shielding the operation hole. The first slide plate and the breaker form interlocking. The second slide plate can connect with the cabinet in a horizontal slide manner and can slide between a left limit position incapable of shielding the operation hole and a right limit position capable of shielding the operation hole. The second slide plate and the cable chamber door form interlocking. An elastomer is mounted between the second slide plate and the cabinet body and generates elastic force applied to the second slide plate and a direction of the elastic force is from the left limit position to the right limit position. The operation interlocking mechanism has the following advantages that switch devices are relatively safe and reliable, and cost is relatively low.
Description
Technical field
The utility model relates to a kind of earthed switch operation interlocking mechanism that is used in switch cubicle.
Background technology
As everyone knows, switchgear needs design " five is anti-" function to prevent that operating personnel are to the misoperation of equipment.The design of earthed switch operating mechanism interlocking in the market mainly contains two kinds.First kind is that the earthed switch operating grip can enter in the handle hole, whether can rotate to be grounded switch " five is anti-" function by operating grip.Another kind is to come the control operation handle to enter in the handle hole by independent knob.
First kind: the earthed switch operating grip can enter in the handle hole, whether can rotate to be grounded switch " five is anti-" function by operating grip.See it is the requirement that can satisfy " five is anti-" function on this technical face, still, occur the damage of earthed switch operating mechanism or interlocking in the practical operation through regular meeting, so that misoperation.Reason is, this technology is that the earthed switch operating grip can enter handle hole, possibility is unskilled because of the operation of operating personnel's switching devices, think that changeing motionless is because the big cause of earthed switch operating physical force uses rough power to go to operate, damage earthed switch operation interlocking mechanism, final misoperation earthed switch brings bigger accident.
Another kind of: as to come the control operation handle to enter in the handle hole by independent knob.This technical deficiency part is not have become very cumbersome of whole operation interlocking can't operate through the training of being correlated with owing to having adopted independent knob to make, on the other hand, increases independent knob and also makes the cost of whole interlocking improve greatly.
The utility model content
The utility model provides the earthed switch operation interlocking that is used in switch cubicle mechanism, and it has overcome the existing deficiency of earthed switch operation interlocking mechanism in the background technology.
The technical scheme that adopts that the utility model solves its technical problem is:
Be used in the earthed switch operation interlocking mechanism of switch cubicle, this switch cubicle is provided with a cabinet, at least can relatively cabinet be at opening position and the earthed switch operating axis that movable cable vault's door and an energy rotate relative to cabinet between the position of closing the door at circuit breaker movable between test position and service position, relative to cabinet, and this switch cubicle is also established the handle hole of a corresponding earthed switch operating axis; It is characterized in that: first slide plate and second slide plate that stagger before and after this interlocking device comprises; This first slide plate can slide up and down between the lower position that connects cabinet and can not block handle hole at a upper limit position and that can block handle hole and slide, and this first slide plate and circuit breaker constitute interlocking; This second slide plate can horizontally slip and connect cabinet and put and a right limit that can block handle hole slides between putting at a left limit that can not block handle hole, and this second slide plate and cable vault's door constitute interlocking; Establish elastomer between this second slide plate and cabinet, this elastomer generation one acts on second slide plate and direction is pointed to the elastic force that right limit is put for putting from left limit.
Among one preferred embodiment: this first slide plate support that is in upper limit position is being on the circuit breaker of service position; This cable vault's door that is in second slide plate that left limit puts and is in the position of closing the door matches, by this engagement limits second slide plate to the right extreme position slide.
Among one preferred embodiment: this second slide plate is connected with continous action base, and this continous action base is divided into the inclined plane; This cable vault's door be installed with one can before and after the be slidingly connected push rod of cabinet, this push rod and inclined plane contact mutually cooperate.
Among one preferred embodiment: this cabinet is established lead, and this second slide plate is established horizontal guide slot, the adaptive connection lead of this horizontal guide slot.
Among one preferred embodiment: this first slide plate is established a through hole, and the through hole of first slide plate that is in the lower position is corresponding with handle hole.
Among one preferred embodiment: this second slide plate is positioned at before first slide plate.
Among one preferred embodiment: this cabinet has side plate and a crossbeam, and this first slide plate can slide up and down and be connected side plate, and this second slide plate can horizontally slip and be connected side plate, and this handle hole is located at side plate.
The technical program is compared with background technology, and it has following advantage:
Can enter handle hole by the earthed switch operating grip and realize " five is anti-" function, so the performance of switchgear form more in the past further, whether operating personnel can get information about before the operational grounding switch and can operate very much, make switchgear safer, more reliable.Considered " five is anti-" functional characteristics of whole switchgear, earthed switch operation interlocking and circuit breaker position, cable vault's door open-close are combined, make the realization of " five is anti-" function simpler, and final need just can be realized by a spot of part that cost also reduces greatly.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic diagram of earthed switch operation interlocking mechanism in the cabinet installation site.
The master that Fig. 2 a has illustrated interlocking device when circuit breaker is in the service position looks schematic diagram.
Fig. 2 b has illustrated the schematic top plan view of interlocking device when circuit breaker is in the service position.
The master that Fig. 3 a has illustrated interlocking device when circuit breaker is in test or removes the position looks schematic diagram.
Fig. 3 b has illustrated the schematic top plan view of interlocking device when circuit breaker is in test or removes the position.
The master that Fig. 4 a has illustrated interlocking device when cable vault's door is in opening position looks schematic diagram.
Fig. 4 b has illustrated the schematic top plan view of interlocking device when cable vault's door is in opening position.
Embodiment
Please refer to Fig. 1 to Fig. 4 b, be used in the earthed switch operation interlocking mechanism of switch cubicle, this switch cubicle 10 be provided with a cabinet 20, at least can relative to cabinet 20 circuit breaker movable between test position and service position, relatively cabinet at opening position and the earthed switch operating axis 40 that movable cable vault's door 30 and an energy rotate relative to cabinet 10 between the position of closing the door, this switch cubicle 10 is also established the handle hole 50 of a corresponding earthed switch operating axis 40, and then the user can insert operating grip handle hole 50 to drive 40 rotations of earthed switch operating axis.This cabinet 20 has a right plate 21 and a middle cross beam 22, and among the present embodiment, this handle hole 50 is located at right plate 21.This switch cubicle for example is the 3.6KV-40.5KV medium voltage switchgear equipment.
This first slide plate 60 can slide up and down right plate 21 front ends that connect cabinet 20 and can not block at a upper limit position and that can block handle hole 50 between the lower position of handle hole 50 and slide, and this first slide plate 60 and circuit breaker constitute interlocking.These first slide plate, 60 supports that are in upper limit position are being on the circuit breaker of service position, and the slide plate 60 of winning can't be slided to the lower position from upper limit position.Among the present embodiment, this first slide plate 60 is established a through hole 61, and the through hole 61 of first slide plate 60 that is in the lower position is corresponding with handle hole 50.
Can the horizontally slip middle cross beam 22 that connects cabinet 20 and put and a right limit that can block handle hole 50 slides between putting at a left limit that can not block handle hole 50 of this second slide plate 70, and this second slide plate 70 and cable vault's door 30 constitute interlocking; 20 of this second slide plate 70 and cabinets are established extension spring 71, and these extension spring 71 generations one act on second slide plate 70 and direction is pointed to the elastic force that right limit is put for putting from left limit.This cable vault's door 30 that is in second slide plate 70 that left limit puts and is in the position of closing the door matches, by this engagement limits second slide plate 70 to the right extreme position slide.Among the present embodiment, this second slide plate 70 is connected with continous action base 72, and this continous action base 72 is divided into inclined plane 73; This cable vault's door 30 is provided with a push rod 74, this push rod 74 and inclined plane 73 contact cooperation mutually, make when cable vault's door 30 is movable to the position of closing the door from opening position, drive push rod 74 from going to the back to slide, these push rod 74 contact inclined planes make continous action base 72 and second slide plate 70 put extreme position slip left from right limit together.Among the present embodiment, this continous action base 71 is divided into a groove, and the left surface of this groove is above-mentioned inclined plane 73, and the right flank ora terminalis extends internally into the section of stretching out 75, this section of stretching out 75 and groove bottom land spacing are greater than push rod 74 diameters, and this section of stretching out 75 ends and inclined plane 73 ora terminalis are greater than push rod 74 diameters.Among the present embodiment, this cabinet 20 is established lead 23, and this second slide plate 70 is established horizontal guide slot 76, these horizontal guide slot 76 adaptive connection leads 23.
When circuit breaker during in the service position, according to " five is anti-" requirement, earthed switch can't carry out closing operation.Shown in Fig. 2 a, Fig. 2 b, though cable vault's door 30 is in the position of closing the door, second slide plate 70 is in left limit and puts (not blocking handle hole), but this moment, first slide plate 60 was subjected to the circuit breaker contact (not block handle hole) to the lower position to slide, can only remain on upper limit position (blocking handle hole), operating grip can't insert, and therefore can't carry out the earthed switch closing operation.
When circuit breaker in test position or when removing the position, cable vault's door 30 is in the position of closing the door, earthed switch can close/sub-switching operation.Shown in Fig. 3 a, Fig. 3 b, first slide plate 60 is not subjected to the circuit breaker contact (not block handle hole) to the lower position from upper limit position (blocking handle hole) and slides through hole 61 and handle hole 50 correspondences when being in lower position (not blocking handle hole); Because cable vault's door 30 is in the position of closing the door, second slide plate 70 is subjected to 30 effects of cable vault's door, remains on left limit and puts (not blocking handle hole); Handle hole 50 is not blocked by first slide plate 60 and second slide plate 70 and exposes at this moment, and operating grip can insert handle holes 50 by through hole 61 and close/sub-switching operation.
When cable vault's door 30 was in open mode, according to " five is anti-" requirement, earthed switch can't carry out sub-switching operation.Shown in Fig. 4 a, Fig. 4 b, though first slide plate 60 can be in lower position (not blocking handle hole), but second slide plate 70 of this moment is opened because of cable vault's door 30 and is lifted restrictions, extreme position moves to block handle hole 50 to the right under extension spring 71 pulling force effects, operating grip 50 can't insert, and therefore can't carry out the earthed switch sub-switching operation.
When cable vault's door 30 moves to the position of closing the door from opening position, push rod 74 withstands inclined plane 73, second slide plate 70 is moved to the left, when cable vault's door 30 is in when closing the door the position, second slide plate 70 moves to left limit and puts, handle hole 50 exposes (state shown in Fig. 3 a, Fig. 3 b) fully, and operating grip can enter handle hole and carry out sub-switching operation, and circuit breaker can move to the service position by test position.
Circuit breaker is when the service position, and first slide plate of interlocking with circuit breaker blocks handle hole, and at this moment, operating grip can't enter handle hole and can't carry out closing operation; When cable vault's door is opened, block handle hole with second slide plate of cable vault's gate interlock, at this moment, operating grip can't enter handle hole and can't carry out sub-switching operation.In sum, have only when earthed switch according to " five anti-" functional requirement can close/during sub-switching operation, handle hole could expose out corresponding the time, thereby closes accordingly/sub-switching operation, has guaranteed the reliability service of switchgear and operating personnel's safety.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (7)
1. be used in the earthed switch operation interlocking mechanism of switch cubicle, this switch cubicle is provided with a cabinet, at least can relatively cabinet be at opening position and the earthed switch operating axis that movable cable vault's door and an energy rotate relative to cabinet between the position of closing the door at circuit breaker movable between test position and service position, relative to cabinet, and this switch cubicle is also established the handle hole of a corresponding earthed switch operating axis; It is characterized in that: first slide plate and second slide plate that stagger before and after this interlocking device comprises; This first slide plate can slide up and down between the lower position that connects cabinet and can not block handle hole at a upper limit position and that can block handle hole and slide, and this first slide plate and circuit breaker constitute interlocking; This second slide plate can horizontally slip and connect cabinet and put and a right limit that can block handle hole slides between putting at a left limit that can not block handle hole, and this second slide plate and cable vault's door constitute interlocking; Establish elastomer between this second slide plate and cabinet, this elastomer generation one acts on second slide plate and direction is pointed to the elastic force that right limit is put for putting from left limit.
2. the earthed switch operation interlocking mechanism that is used in switch cubicle according to claim 1, it is characterized in that: this first slide plate support that is in upper limit position is being on the circuit breaker of service position; This cable vault's door that is in second slide plate that left limit puts and is in the position of closing the door matches, by this engagement limits second slide plate to the right extreme position slide.
3. the earthed switch operation interlocking mechanism that is used in switch cubicle according to claim 2, it is characterized in that: this second slide plate is connected with continous action base, and this continous action base is divided into the inclined plane; This cable vault's door be installed with one can before and after the be slidingly connected push rod of cabinet, this push rod and inclined plane contact mutually cooperate.
4. the earthed switch operation interlocking mechanism that is used in switch cubicle according to claim 1, it is characterized in that: this cabinet is established lead, and this second slide plate is established horizontal guide slot, the adaptive connection lead of this horizontal guide slot.
5. the earthed switch operation interlocking mechanism that is used in switch cubicle according to claim 1, it is characterized in that: this first slide plate is established a through hole, and the through hole of first slide plate that is in the lower position is corresponding with handle hole.
6. the earthed switch operation interlocking mechanism that is used in switch cubicle according to claim 1, it is characterized in that: this second slide plate is positioned at before first slide plate.
7. according to claim 1 or 2 or 3 or 4 or the 5 or 6 described earthed switch operation interlocking mechanisms that are used in switch cubicle, it is characterized in that: this cabinet has side plate and a crossbeam, this first slide plate can slide up and down and be connected side plate, this second slide plate can horizontally slip and be connected side plate, and this handle hole is located at side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749642 CN203055718U (en) | 2012-12-31 | 2012-12-31 | Operation interlocking mechanism for switch cabinet grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749642 CN203055718U (en) | 2012-12-31 | 2012-12-31 | Operation interlocking mechanism for switch cabinet grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055718U true CN203055718U (en) | 2013-07-10 |
Family
ID=48738645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749642 Expired - Lifetime CN203055718U (en) | 2012-12-31 | 2012-12-31 | Operation interlocking mechanism for switch cabinet grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055718U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112020A (en) * | 2019-05-18 | 2019-08-09 | 山西汾西重工有限责任公司 | Self-replaced type isolation interlocked operation handle mechanism and operating method on explosion-proof tank |
| CN110993398A (en) * | 2019-12-25 | 2020-04-10 | 中骏智能电气科技股份有限公司 | Interlocking device of switch cabinet grounding switch and front lower door |
| CN112165018A (en) * | 2020-09-23 | 2021-01-01 | 山东电工电气集团智能电气有限公司 | Aerify cabinet with multiple protection interlocking device |
| CN112467590A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof |
| CN112802705A (en) * | 2021-01-28 | 2021-05-14 | 杭州施江银电气成套有限公司 | Earthing switch operation axle construction |
-
2012
- 2012-12-31 CN CN 201220749642 patent/CN203055718U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112020A (en) * | 2019-05-18 | 2019-08-09 | 山西汾西重工有限责任公司 | Self-replaced type isolation interlocked operation handle mechanism and operating method on explosion-proof tank |
| CN110112020B (en) * | 2019-05-18 | 2024-01-23 | 山西汾西电气有限公司 | Self-resetting isolation interlocking operation handle mechanism on explosion-proof box and operation method |
| CN112467590A (en) * | 2019-09-06 | 2021-03-09 | 河南森源电气股份有限公司 | Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof |
| CN112467590B (en) * | 2019-09-06 | 2022-04-19 | 河南森源电气股份有限公司 | Direct current switch cabinet and mechanical interlocking device of circuit breaker handcart thereof |
| CN110993398A (en) * | 2019-12-25 | 2020-04-10 | 中骏智能电气科技股份有限公司 | Interlocking device of switch cabinet grounding switch and front lower door |
| CN112165018A (en) * | 2020-09-23 | 2021-01-01 | 山东电工电气集团智能电气有限公司 | Aerify cabinet with multiple protection interlocking device |
| CN112802705A (en) * | 2021-01-28 | 2021-05-14 | 杭州施江银电气成套有限公司 | Earthing switch operation axle construction |
| CN112802705B (en) * | 2021-01-28 | 2023-02-28 | 杭州施江银电气成套有限公司 | Earthing switch operation axle construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |