CN203553697U - Interlocking mechanism of grounding switch and mobile handcart - Google Patents
Interlocking mechanism of grounding switch and mobile handcart Download PDFInfo
- Publication number
- CN203553697U CN203553697U CN201320751780.4U CN201320751780U CN203553697U CN 203553697 U CN203553697 U CN 203553697U CN 201320751780 U CN201320751780 U CN 201320751780U CN 203553697 U CN203553697 U CN 203553697U
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- interlocking
- mobile handcart
- plate
- cabinet
- rotating part
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- Expired - Lifetime
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- 230000000903 blocking effect Effects 0.000 claims description 76
- 239000007787 solid Substances 0.000 claims description 18
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model discloses an interlocking mechanism of a grounding switch and a mobile handcart. The interlocking mechanism comprises an interlocking unit and an elastic body; the interlocking unit comprises a rotating piece, a sliding plate, an interlocking frame and a connecting plate; the elastic body is connected with the interlocking unit and a cabinet body and generates an elastic force acting on the interlocking unit; the sliding plate is slidingly connected with the cabinet body and slides between a sheltering position that can shelter an operation hole into which an operating handle can be inserted, and an operation position which is far away from the operation hole, wherein the operation hole is formed in the cabinet body; the connecting plate is slidingly connected with the cabinet body; the rotating piece is rotatingly connected with the cabinet body; the sliding plate and the connecting plate are both movably connected with and in linkage with the rotating piece; the interlocking frame is rotatingly connected with the cabinet body and is movably connected with the connecting plate; the connecting plate slides such that the interlocking frame can be driven to rotate; the interlocking frame is matched with a tongue sheet; and whether the tongue sheet of the mobile handcart abuts against a screw rod of the mobile handcart can be controlled through the rotation of the interlocking frame. The interlocking mechanism of the grounding switch and the mobile handcart of the utility model is advantageous in simple structure, compact structure, reliable interlocking and low cost, and can be applied to narrow switching equipment.
Description
Technical field
The utility model relates to the interlocking device of a kind of earthed switch and mobile handcart.
Background technology
As everyone knows, switchgear needs design " five is anti-" function to prevent the misoperation of operating personnel to equipment.For " five is anti-" between earthed switch and mobile handcart, interlock most important.Varied about the design of this interlocking in the market, but it is larger to take up room, complex structure.
Utility model content
The utility model provides the interlocking device of a kind of earthed switch and mobile handcart, and it has overcome the interlocking device existing deficiency of earthed switch and mobile handcart in background technology.
The technical scheme adopting that the utility model solves its technical problem is:
An interlocking device for earthed switch and mobile handcart, comprises interlocking unit and elastomer, and this interlocking unit comprises rotating part, slide plate, interlocking frame and connecting plate, and this elastomer connects interlocking unit and cabinet and generation the elastic force that acts on interlocking unit; This slide plate slides connects cabinet and can block and be located at the blocking between the operating position of position and away from handle hole of handle hole that cabinet inserts for operating grip and slide one; This connecting plate cabinet that is slidably connected; This rotating part is rotationally connected cabinet, and this slide plate and connecting plate are all flexibly connected rotating part and form interlock; This interlocking frame is rotationally connected cabinet and is flexibly connected connecting plate, by connecting plate, is slided and is driven interlocking frame to rotate, and this interlocking frame coordinates tongue piece, and the tongue piece that rotates the mobile handcart of control by interlocking frame whether contact moves the screw mandrel of handcart.
Among one embodiment: be connected by spring leaf between this connecting plate and rotating part.
Among one embodiment: also comprise blocking lever, be slidably connected cabinet and can stop that mobile handcart that blocking position and that mobile handcart enters service position can be positioned at service position stops to limit between the holding position that blocking lever slides to blocking position direction and slide of this blocking lever, this blocking lever and mobile handcart match; These rotating part two ends are flexibly connected respectively slide plate and blocking lever and form interlock, and this slide plate is positioned at and blocks position and blocking lever is positioned at holding position correspondence, and this slide plate is positioned at operating position and blocking lever is positioned at blocking position correspondence.
Among one embodiment: this elastomer connects cabinet and slide plate, and slide plate is subject to pointing to by operating position the elastic force that blocks position.
Among one embodiment: this rotating part first end is established the first chute, this slide plate is pivoted or is installed with the first pivot pin, adaptive first chute that is flexibly connected rotating part of the first pivot pin of this slide plate; This affixed connecting plate in spring leaf one end, this spring leaf other end is established the second pivot pin, and this rotating part is established the second chute, adaptive second chute that is flexibly connected of this second pivot pin; This connecting plate is established interlock hole, and this interlocking frame is provided with interlock plug-in unit, and this interlock plug-in unit inserts in interlock hole.
Among one embodiment: this slide plate is established a through hole, and this is positioned at the through hole of slide plate and handle hole alignment of operating position, and this is positioned at the slide plate and the handle hole that block position and staggers.
Among one embodiment: this cabinet is installed with mounting panel, this mounting panel comprises the side plate of at least one solid plate and an affixed solid plate, and this solid plate and side sheet room accompany assemblage gap, and this rotating part is in assemblage gap and pivot joint side plate.
Among one embodiment: this mounting panel comprises a flat board, this flat board place establishes joint-cutting, by joint-cutting, flat board is divided into solid plate and side plate, and bending side plate, by bending side plate, makes solid plate and side sheet room accompany assemblage gap.
Among one embodiment: this cabinet is provided with the mobile space moving for mobile handcart, this move handcart energy mobile link cabinet and in service position, test position and remove between position and move; This blocking lever glide direction and service position are corresponding, and in the projection along mobile handcart moving direction, the blocking lever and the mobile space that are positioned at blocking position have at least part to occur simultaneously, and are positioned at the blocking lever of holding position and mobile space is adjacent or interval.
Among one embodiment: this rotating part second end is established the 3rd chute, this blocking lever is pivoted or is installed with the 3rd pivot pin, adaptive the 3rd chute that is flexibly connected rotating part of the 3rd pivot pin of this blocking lever.
The technical program is compared with background technology, and its tool has the following advantages:
1, interlocking device comprises rotating part, slide plate, interlocking frame and connecting plate, slide plate slides can drive rotating part to rotate, rotating part rotational drives connecting plate to slide, connecting plate slides and can drive interlocking frame to rotate, by interlocking frame rotate control mobile handcart tongue piece whether contact move the screw mandrel of handcart, therefore produce following advantage: a, simple in structure, interlocking is reliable; B, by slide plate slides, drive interlocking frame to rotate, compact conformation, takes up room little, and cost is lower, can be applied in the switchgear of wider width, also can be applicable to narrower switchgear; C, adopt cabinet part as far as possible, as tongue piece etc., cost is lower.
2, elastomer connects cabinet and slide plate, and slide plate is subject to pointing to by operating position the elastic force that blocks position, resets reliable, interlocks safe and reliable.
3, cabinet is installed with mounting panel, mounting panel comprises the side plate of at least one solid plate and an affixed solid plate, and this solid plate and side sheet room accompany assemblage gap, this rotating part is in assemblage gap and pivot joint side plate, the firm and reliable connection of rotating part and mounting panel, mounting panel can limit rotating part other degree of freedom except rotating.
4, by rotating part, rotate and drive connecting plate to slide, by connecting plate, slide and drive interlocking frame to rotate, tongue piece energy contact screw mandrel, interlocking is reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 has illustrated the schematic perspective view of the interlocking device of earthed switch and mobile handcart.
The interlocking device that Fig. 2 has illustrated earthed switch and mobile handcart is applied in the schematic perspective view of cabinet.
The master that Fig. 3 has illustrated interlocking device when earthed switch closes a floodgate looks schematic diagram.
The master of interlocking device when Fig. 4 has illustrated grounding switch tripping looks schematic diagram.
Fig. 5 has illustrated the A-A generalized section of Fig. 3.
Fig. 6 has illustrated the B-B generalized section of Fig. 4.
Embodiment
Please refer to Fig. 1 to Fig. 6, the interlocking device of a kind of earthed switch and mobile handcart, be installed in cabinet 100, this cabinet 100 is established the handle hole inserting for operating grip, this moves handcart energy mobile link cabinet 100, and this moves handcart and is provided with screw mandrel and tongue piece, tongue piece can be movable and the contact position of contact screw mandrel and away from screw mandrel away from position between movable, when contact position, tongue piece contact screw mandrel rotates can limit screw mandrel, when away from position tongue piece not contact screw mandrel screw mandrel can rotate.This interlocking device comprises interlocking unit and elastomer 210, and this interlocking unit comprises rotating part 220, slide plate 230, blocking lever 240, guiding trestle 250, an interlocking frame 260 and a plate 270.This moves handcart for example for the chassis vehicle of circuit breaker.
Be slidably connected cabinet 100 and can block blocking between the operating position of position and away from handle hole of handle hole and slide of this slide plate 230.In one preferred version, this slide plate 230 is established a through hole 231, and the through hole 231 of slide plate 230 and handle hole alignment that this is positioned at operating position, make the operator can be by operating grip update hole operating, can drive mobile handcart to move; This is positioned at the slide plate 230 and the handle hole that block position and staggers, and slide plate 230 can stop in operating grip update hole, can avoid operator to drive mobile handcart to move.Among the present embodiment, this elastomer 210 is spring, and it connects cabinet 100 and slide plate 230, and slide plate 230 is subject to pointing to by operating position the elastic force that blocks position.
Be slidably connected cabinet 100 and sliding between a blocking position and a holding position of this blocking lever 240, this blocking lever 240 and mobile handcart match, make: the blocking lever 240 that is positioned at blocking position can stop that mobile handcart enters service position, the mobile handcart that the blocking lever 240 that is positioned at holding position is positioned at service position stops, can limit blocking lever 240, to blocking position direction, slides.In one preferred version, this cabinet 100 is provided with the mobile space moving for mobile handcart, this move handcart energy mobile link cabinet 100 and in service position, test position and remove between position and move; These blocking lever 240 glide directions and service position are corresponding, and in the projection along mobile handcart moving direction, the blocking lever and the mobile space that are positioned at blocking position have at least part to occur simultaneously, and are positioned at the blocking lever of holding position and move adjacent.For example, this cabinet 100 is established guide rail 110, and in the projection along guide rail 110, guide rail 110 is inserted in blocking lever 240 upper ends that are positioned at blocking position, and the blocking lever 240 that is positioned at holding position is adjacent with guide rail 110.Best, this cabinet 100 is provided with guiding trestle 250, this blocking lever 240 guiding trestle 250 that is slidably connected.
This rotating part 220 is rotationally connected cabinet 100, these rotating part 220 two ends are flexibly connected respectively slide plate 230 and blocking lever 240 and form interlock, and this slide plate 230 is positioned at and blocks position and blocking lever 240 is positioned at holding position correspondence, be that slide plate 230 is positioned at blocking lever 240 while blocking position and is positioned at holding position, this slide plate 230 is positioned at operating position and blocking lever 240 is positioned at blocking position correspondence, and when slide plate 230 is positioned at operating position, blocking lever 240 is positioned at blocking position.In one preferred version, the first chute 221 and the 3rd chute 223 are established respectively in these rotating part 220 two ends, this slide plate 230 and blocking lever 240 are pivoted respectively or are installed with the first pivot pin 232, the 3rd pivot pin 241, can adopt and set firmly, this slide plate 230, the first pivot pin 232 of blocking lever 240, the 3rd latch 241 is adaptive two first chutes 221 and the 3rd chute 223 that is flexibly connected rotating part 220 respectively, the sliding activity of this adaptation refers to the first chute, the 3rd chute width and the first pivot pin, the 3rd pivot pin diameter is adaptive, blocking lever 240 is slided and can drive rotating part 220 to rotate, rotating part 220 rotationals drive slide plate 230 to slide, slide plate 230 slides and can drive rotating part 220 to rotate, rotating part 220 rotationals drive blocking lever 240 to slide.Best, these slide plate 230 glide directions are parallel with blocking lever 240 glide directions, among the present embodiment, are upward and downward.
In one preferred version, this cabinet 110 is installed with mounting panel 120, this mounting panel 120 comprises the side plate 122 of two solid plates 121 and an affixed solid plate, among the present embodiment, this mounting panel 120 comprises a flat board, and this flat board place establishes two parallel joint-cuttings, by joint-cutting, flat board is divided into two solid plates 121 and the side plate 122 between between two solid plates, bending side plate 122 again, by bending side plate 122, make solid plate 121 and 122 of side plates accompany assemblage gap.This rotating part 220 is in assemblage gap and pivot joint side plate 122.
Be slidably connected cabinet 100 and be flexibly connected rotating part 220 of this connecting plate 270, is rotated and is driven connecting plates 270 to slide by rotating part 220; This interlocking frame 260 is rotationally connected cabinet 100 and is flexibly connected connecting plate 270, by connecting plate 270, slide and drive interlocking frame 260 to rotate, this interlocking frame coordinates tongue piece, by interlocking frame rotate control mobile handcart tongue piece in contact position with movable between away from position, to control the screw mandrel whether contact moves handcart.The parallel blocking lever of this connecting plate glide direction, slide plate slides direction.
In one preferred version, this connecting plate 270 is connected by spring leaf 280 with 220 of rotating parts, and spring leaf 280 is connected with in the middle of connecting plate 270 as rotating part 220, plays again and solves due to various processing or the caused rigid deformation of rigging error.Because all likely produce error in the processing of the part of cabinet, assembling process.Concrete implementation procedure is: when causing due to various errors while making interlocking frame 260 resist the tongue piece of mobile handcart stubbornly, because the tongue piece of mobile handcart is rigidity and the screw mandrel that withstands mobile handcart, now, interlocking frame 260 can be turned back to and make the tongue piece of mobile handcart withstand screw mandrel completely, interlocking frame 260 drives connecting plate 270 to move downward, and rotating part 220 at this moment, because of in extreme lower position, cannot rotate again, so moving downward of connecting plate 270 drives spring leaf 280 that elastic deformation occurs; When mobile handcart moves on to test position again or removes position from service position, the tongue piece of mobile handcart leaves interlocking frame 260, spring leaf 280 elastic resets.Therefore, the elastic deformation by spring leaf 280 makes the interlocking can the deformation failure because of the revolution of interlocking frame 260 with resetting.The structure example of this interlocking frame 260, connecting plate 270, spring leaf 280 and the connection of rotating part 220 is as being: 280 one-tenth U-shaped structures of this spring leaf, and the affixed connecting plate 270 in one end of the opening of U-shaped, this spring leaf other end (the U-shaped opening other end) is established the second pivot pin 281, this rotating part 220 is established the second chute 222, adaptive second chute 222 that is flexibly connected of this second pivot pin 281.This connecting plate 270 is established interlock hole 271, and this interlocking frame 260 is provided with interlock plug-in unit 261, and this interlock plug-in unit 261 inserts in interlock hole 271.
As shown in Figure 4, it is the interlocking situation of earthed switch when open position.Mobile handcart is now in service position, and earthed switch is to carry out closing operation by " five is anti-" requirement.This slide plate 230 at highest point in blocking position, now slide plate 230 withstands (blocking lever 240 remains on holding position) and cannot move upward and cannot be toward pressing down because blocking lever 240 is moved the chassis vehicle of handcart, slide plate 230 blocks earthed switch handle hole, earthed switch operating grip cannot update hole, and then makes earthed switch cannot carry out closing operation.On the contrary, only have when mobile handcart moves on to test position or removes position, blocking lever 240 can move upward (moving towards blocking position direction), blocking lever 240 drives rotating part 220 to rotate, rotating part 220 drive slide plates 230 move downward (moving to operating position) and expose earthed switch handle hole, and earthed switch operating grip can carry out closing operation in update hole.
As shown in Figure 3, it is the interlocking situation of earthed switch when closing position.Mobile handcart is now in test position or remove position, and mobile handcart is cannot or remove position from test position to move on to service position by " five is anti-" requirement.When earthed switch closes a floodgate, blocking lever 240 now moves to the front frame position that highest point (in blocking position) withstands on mobile handcart, and the tongue piece that interlocking frame 260 turning handles move handcart chassis vehicle pushes away inward, pin the screw mandrel of chassis vehicle, mobile handcart now cannot shake to service position into, realized earthed switch and in combined floodgate time shift, started car and cannot or remove " five is anti-" interlocking that position moves on to service position from test position.On the contrary, when grounding switch tripping, slide plate 230 resets to extreme higher position (blocking position) by the pulling force of elastomer 210, slide plate 230 moves upward and drives rotating part 220 to rotate, rotating part 220 drives blocking lever 240 to move downward and leaves the position of withstanding mobile handcart front frame, rotating of rotating part 220 also drives connecting plate 270 to move downward, connecting plate 270 pulls down interlocking frame 260, it is upwards rotated, the tongue piece of mobile handcart is along with interlocking frame 260 upwards rotates and outwards motion, leave the position of pinning chassis vehicle screw mandrel, mobile handcart now can or be removed position from test position and move on to service position.
Interlocking device among the present embodiment, adopts said structure, simple in structure, compact conformation, and interlocking is reliable, can adopt as far as possible cabinet part, and cost is lower.Interlocking device among the present embodiment, can be applied to the medium voltage switchgear equipment of 3.6KV-40.5KV, can guarantee: mobile handcart is when service position, and earthed switch cannot carry out closing operation; Earthed switch is when closing position, and mobile handcart cannot or be removed position from test position and move to service position.This interlocking device can be applied in the switchgear of wider width, also can be applicable to narrower switchgear, and for example width is less than the switchgear of 650mm.
The above, it is only the utility model preferred embodiment, therefore can not limit according to this scope that the utility model is implemented, the equivalence of doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (10)
1. the interlocking device of an earthed switch and mobile handcart, it is characterized in that: comprise interlocking unit and elastomer, this interlocking unit comprises rotating part, slide plate, interlocking frame and connecting plate, and this elastomer connects interlocking unit and cabinet and generation the elastic force that acts on interlocking unit; This slide plate slides connects cabinet and is located at the blocking between position and the operating position away from handle hole of handle hole that cabinet inserts for operating grip and slides can block; This connecting plate cabinet that is slidably connected; This rotating part is rotationally connected cabinet, and this slide plate and connecting plate are all flexibly connected rotating part and form interlock; This interlocking frame is rotationally connected cabinet and is flexibly connected connecting plate, by connecting plate, is slided and is driven interlocking frame to rotate, and this interlocking frame coordinates the tongue piece of mobile handcart, by interlocking frame rotate control tongue piece whether contact move the screw mandrel of handcart.
2. the interlocking device of a kind of earthed switch according to claim 1 and mobile handcart, is characterized in that: between this connecting plate and rotating part, by spring leaf, be connected.
3. the interlocking device of a kind of earthed switch according to claim 1 and 2 and mobile handcart, it is characterized in that: also comprise blocking lever, be slidably connected cabinet and sliding can stop that mobile handcart that mobile handcart enters the blocking position of service position and can be positioned at service position stops to limit between the holding position that blocking lever slides to blocking position direction of this blocking lever, this blocking lever and mobile handcart match; These rotating part two ends are flexibly connected respectively slide plate and blocking lever and form interlock, and this slide plate is positioned at and blocks position and blocking lever is positioned at holding position correspondence, and this slide plate is positioned at operating position and blocking lever is positioned at blocking position correspondence.
4. the interlocking device of a kind of earthed switch according to claim 1 and 2 and mobile handcart, is characterized in that: this elastomer connects cabinet and slide plate, and slide plate is subject to pointing to by operating position the elastic force that blocks position.
5. the interlocking device of a kind of earthed switch according to claim 2 and mobile handcart, it is characterized in that: this rotating part first end is established the first chute, this slide plate is pivoted or is installed with the first pivot pin, adaptive first chute that is flexibly connected rotating part of the first pivot pin of this slide plate; This affixed connecting plate in spring leaf one end, this spring leaf other end is established the second pivot pin, and this rotating part is established the second chute, adaptive second chute that is flexibly connected of this second pivot pin; This connecting plate is established interlock hole, and this interlocking frame is provided with interlock plug-in unit, and this interlock plug-in unit inserts in interlock hole.
6. the interlocking device of a kind of earthed switch according to claim 1 and 2 and mobile handcart, it is characterized in that: this slide plate is established a through hole, and this is positioned at the through hole of slide plate and handle hole alignment of operating position, this is positioned at the slide plate and the handle hole that block position and staggers.
7. the interlocking device of a kind of earthed switch according to claim 1 and 2 and mobile handcart, it is characterized in that: this cabinet is installed with mounting panel, this mounting panel comprises the side plate of at least one solid plate and an affixed solid plate, and this solid plate and side sheet room accompany assemblage gap, this rotating part is in assemblage gap and pivot joint side plate.
8. the interlocking device of a kind of earthed switch according to claim 7 and mobile handcart, it is characterized in that: this mounting panel comprises a flat board, this flat board place establishes joint-cutting, by joint-cutting, flat board is divided into solid plate and side plate, and bending side plate, makes solid plate and side sheet room accompany assemblage gap by bending side plate.
9. the interlocking device of a kind of earthed switch according to claim 3 and mobile handcart, it is characterized in that: this cabinet is provided with the mobile space moving for mobile handcart, this move handcart energy mobile link cabinet and in service position, test position and remove between position and move; This blocking lever glide direction and service position are corresponding, and in the projection along mobile handcart moving direction, the blocking lever and the mobile space that are positioned at blocking position have at least part to occur simultaneously, and are positioned at the blocking lever of holding position and mobile space is adjacent or interval.
10. the interlocking device of a kind of earthed switch according to claim 3 and mobile handcart, it is characterized in that: this rotating part second end is established the 3rd chute, this blocking lever is pivoted or is installed with the 3rd pivot pin, adaptive the 3rd chute that is flexibly connected rotating part of the 3rd pivot pin of this blocking lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751780.4U CN203553697U (en) | 2013-11-25 | 2013-11-25 | Interlocking mechanism of grounding switch and mobile handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320751780.4U CN203553697U (en) | 2013-11-25 | 2013-11-25 | Interlocking mechanism of grounding switch and mobile handcart |
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| Publication Number | Publication Date |
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| CN203553697U true CN203553697U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320751780.4U Expired - Lifetime CN203553697U (en) | 2013-11-25 | 2013-11-25 | Interlocking mechanism of grounding switch and mobile handcart |
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| CN (1) | CN203553697U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167682A (en) * | 2014-08-06 | 2014-11-26 | 安徽龙波电气有限公司 | Circuit breaker handcart and earthing switch interlocking device |
| CN106373807A (en) * | 2016-06-13 | 2017-02-01 | 上海法腾电力科技有限公司 | Electrical cabinet with grounding interlock |
| CN109066439A (en) * | 2018-09-06 | 2018-12-21 | 华仪电气股份有限公司 | A kind of handcart interlocking mechanism of five-prevention interlocking device |
| CN113284749A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Device for replacing brake separating buffer |
-
2013
- 2013-11-25 CN CN201320751780.4U patent/CN203553697U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167682A (en) * | 2014-08-06 | 2014-11-26 | 安徽龙波电气有限公司 | Circuit breaker handcart and earthing switch interlocking device |
| CN104167682B (en) * | 2014-08-06 | 2016-05-25 | 安徽龙波电气有限公司 | A kind of circuit breaker cart and earthed switch interlock |
| CN106373807A (en) * | 2016-06-13 | 2017-02-01 | 上海法腾电力科技有限公司 | Electrical cabinet with grounding interlock |
| CN106373807B (en) * | 2016-06-13 | 2018-05-15 | 上海法腾电力科技有限公司 | Equipped with the chain electrical cabinet of ground connection |
| CN109066439A (en) * | 2018-09-06 | 2018-12-21 | 华仪电气股份有限公司 | A kind of handcart interlocking mechanism of five-prevention interlocking device |
| CN109066439B (en) * | 2018-09-06 | 2023-11-21 | 华仪电气股份有限公司 | Handcart interlocking mechanism of five-prevention interlocking device |
| CN113284749A (en) * | 2021-05-19 | 2021-08-20 | 广东电网有限责任公司 | Device for replacing brake separating buffer |
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| GR01 | Patent grant | ||
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Granted publication date: 20140416 |
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