CN210379987U - Switch cabinet valve interlocking mechanism - Google Patents
Switch cabinet valve interlocking mechanism Download PDFInfo
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- CN210379987U CN210379987U CN201921617361.5U CN201921617361U CN210379987U CN 210379987 U CN210379987 U CN 210379987U CN 201921617361 U CN201921617361 U CN 201921617361U CN 210379987 U CN210379987 U CN 210379987U
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Abstract
The utility model relates to a switch cabinet valve interlocking mechanism, which comprises a slide rail, a vertical rod, a first door plate mechanism, a second door plate mechanism, a first connecting rod mechanism and a second connecting rod mechanism, wherein the slide rail and the vertical rod are respectively and fixedly arranged in the switch cabinet body, and the first door plate mechanism and the second door plate mechanism can be connected to the vertical rod in a vertical sliding manner; a connecting seat is arranged between the first door plate mechanism and the second door plate mechanism, so that the first door plate mechanism and the second door plate mechanism keep a constant distance and can synchronously act. The valve interlocking mechanism of the switch cabinet avoids the adoption of structural parts such as chain transmission, steel wire transmission, skidding, elastic parts and the like which need frequent maintenance, and only adopts a link mechanism to open and close the valve, so that the reliability is good, the safety is high, and the structure is simple.
Description
Technical Field
The utility model relates to a cubical switchboard field, especially a cubical switchboard valve interlocking device.
Background
The switch cabinet is an electrical device and mainly used for opening, closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system. Handcart-type cubical switchboard such as medium and low voltage switch cabinet form generally includes control room, handcart room, generating line room, and wherein the handcart room all is furnished with the handcart, conveniently pushes away direct current quick circuit breaker work position and test position. When the switch cabinet is in a running, testing or grounding state, the handcart is in a handcart room of the switch cabinet. When the switch cabinet is in an overhauling state, the switch cabinet door is opened, and the handcart is pulled out of the switch cabinet. And after the overhaul is finished, pushing the handcart into the switch cabinet. Because the handcart has the phenomenon of arc spraying in the switching-on and switching-off process, and is easy to hurt the maintainers, the handcart is usually protected by adopting a valve mechanism. However, the valve mechanism in the prior art often adopts chain transmission, steel wire transmission, skidding, elastic parts and other structures, and the structures are easy to age, damage and the like after being used for a long time, and need to be frequently overhauled, otherwise, safety accidents are easy to occur. In addition, some valve mechanisms are not locked, the valve can be opened at will, or the valve is opened by misoperation easily, so that potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, the better cubical switchboard valve interlocking device of reliability. The switch cabinet valve interlocking mechanism comprises a sliding rail, an upright rod, a first door plate mechanism, a second door plate mechanism, a first connecting rod mechanism and a second connecting rod mechanism, wherein the sliding rail and the upright rod are respectively and fixedly arranged in a switch cabinet body, and the first door plate mechanism and the second door plate mechanism can be connected to the upright rod in an up-and-down sliding manner; the first connecting rod mechanism comprises a first transverse rod and a first longitudinal rod, one end of the first transverse rod and one end of the first longitudinal rod are hinged with each other, the other end of the first transverse rod is rotatably connected to the first door panel mechanism, and the other end of the first longitudinal rod can slide in a first groove on the sliding rail; the second connecting rod mechanism comprises a second transverse rod and a second longitudinal rod, one end of the second transverse rod is hinged with one end of the second longitudinal rod, the other end of the second transverse rod is rotatably connected to the second door panel mechanism, and the other end of the second longitudinal rod can slide in a second groove in the sliding rail; and a connecting seat is arranged between the first door panel mechanism and the second door panel mechanism, so that the first door panel mechanism and the second door panel mechanism keep a constant distance and can synchronously act.
Furthermore, the first door plate mechanism comprises a first door plate and a first support, one end of the first door plate is connected with the first support, and the first support is sleeved on the vertical rod; the second door panel mechanism comprises a second door panel and a second support, one end of the second door panel is connected with the second support, and the vertical rod is sleeved with the second support.
Furthermore, a first guide post is arranged at the other end of the first longitudinal rod and can slide in a first groove on the sliding rail; and a second guide post is arranged at the other end of the second longitudinal rod and can slide in a second groove on the slide rail.
Furthermore, the vertical rod is provided with a limiting block, when the switch cabinet is powered off, the first door plate mechanism, the connecting seat and the second door plate mechanism slide down to the limiting block under the action of gravity, and the valve is automatically closed.
Furthermore, the first door plate mechanism is positioned above the connecting seat, and the second door plate mechanism is positioned below the connecting seat; when the switch cabinet is powered off, the included angle between the first transverse rod and the first longitudinal rod is 80-90 degrees; when the switch cabinet is powered on, the included angle between the first transverse rod and the first longitudinal rod ranges from 90 degrees to 120 degrees. The design can ensure that the stress of the connecting rod mechanism is more balanced while the stability is ensured.
The supporting sheet is a sheet metal bending piece and comprises a first supporting sheet connected to the switch cabinet body and a second supporting sheet deviating from the first supporting sheet towards the direction in the switch cabinet body, the first cross rod is hinged to the second supporting sheet at a first hinge point, and the first hinge point is close to the hinge point of the first cross rod and the first longitudinal rod; the second cross rod is hinged to the second supporting piece at a second hinge point, and the second hinge point is close to the hinge point of the second cross rod and the second longitudinal rod.
Furthermore, first guide post and second guide post are protruding towards the slide rail and are established, and protruding length of establishing is 0.5~1.5 cm.
Furthermore, the slide rail comprises a side surface, a bottom surface and an upper surface, the bottom surface of the slide rail is provided with a notch corresponding to the second groove, the side surface of the slide rail is provided with a lug extending towards the lower part of the slide rail corresponding to the second groove, and the second groove extends to the lug; the second guide post may pass through the notch. The design can ensure that the first guide post and the second guide post have enough strokes.
Furthermore, the first grooves and the second grooves are arranged in a staggered manner, the top ends of the first grooves are close to the upper surface of the sliding rail, and the bottom ends of the first grooves are close to the bottom surface of the sliding rail; the top of second groove is close to the slide rail bottom surface, and the bottom of second groove extends on the lug.
Furthermore, a first bar-shaped groove is formed in the other end of the first cross rod, a first pin is arranged on the first support, and when the valve interlocking mechanism is opened or closed, the first pin can slide in the first bar-shaped groove; and a second strip-shaped groove is formed in the other end of the second cross rod, a second pin is arranged on the second support, and when the valve interlocking mechanism is opened or closed, the second pin can slide in the second strip-shaped groove.
Compared with the prior art, the utility model, this kind of cubical switchboard valve interlocking device has following advantage:
1. the utility model has the advantages of simple structure and high reliability, when the handcart pushed in the cabinet, the connecting block of handcart bottom contacted first guide post and second guide post, and the weight of atress in the handcart, first guide post and second guide post slide in first groove and second groove respectively, make first door plant and second door plant shift up through driving first link mechanism and second link mechanism to open the valve door plant, the handcart can realize closing a floodgate. When the handcart is pushed outwards, the force on the first guide post and the second guide post disappears, and under the action of the gravity of the structures of the connecting rod mechanism, the support and the door plate, the first door plate and the second door plate slide downwards to close the valve, so that the power supply contact is isolated, and the maintainers are prevented from being injured. The utility model discloses avoid adopting chain drive, steel wire transmission, skidding, elastic component etc. to need the frequent structure of overhauing, only adopt link mechanism to carry out the valve and open and close, consequently good reliability, the security is high, simple structure moreover.
2. The top end of the first groove of the utility model is close to the upper surface of the slide rail, and the bottom end of the first groove is close to the bottom surface of the slide rail; the top in second groove is close to the slide rail bottom surface, and the bottom in second groove extends on the lug, consequently, when the handcart release back, first guide post is located the top in first groove, also is close to slide rail upper surface department promptly, and the second guide post is located the top in second groove, also is close to slide rail bottom surface department promptly, is located that these two positions maintainer are difficult to the mistake and touch first guide post and second guide post after pushing out the handcart to reduce the risk that the maloperation brought.
Drawings
FIG. 1 is a schematic structural view of the valve closed during maintenance of the present invention;
fig. 2 is an enlarged view of the first and second grooves of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to the attached drawings 1-2, the switch cabinet valve interlocking mechanism comprises a sliding rail 1, an upright rod 2, a first door panel mechanism 3, a second door panel mechanism 4, a first connecting rod mechanism 5 and a second connecting rod mechanism 6, wherein the sliding rail 1 and the upright rod 2 are respectively and fixedly arranged in a switch cabinet body, and the first door panel mechanism 3 and the second door panel mechanism 4 can be connected to the upright rod 2 in a vertically sliding manner; the first connecting rod mechanism 5 comprises a first cross rod 51 and a first longitudinal rod 52, one end of the first cross rod 51 and one end of the first longitudinal rod 52 are hinged with each other, the other end of the first cross rod 51 is rotatably connected to the first door panel mechanism 3, and the other end of the first longitudinal rod 52 can slide in the first groove 11 on the sliding rail 1; the second link mechanism 6 comprises a second transverse rod 61 and a second longitudinal rod 62, one ends of the second transverse rod 61 and the second longitudinal rod 62 are hinged with each other, the other end of the second transverse rod 61 is rotatably connected to the second door panel mechanism 4, and the other end of the second longitudinal rod 62 can slide in the second groove 12 on the sliding rail 1; and a connecting seat 7 is arranged between the first door panel mechanism 3 and the second door panel mechanism 4, so that the first door panel mechanism 3 and the second door panel mechanism 4 keep a constant distance and can synchronously act.
Preferably, the first door panel mechanism 3 includes a first door panel 31 and a first support 32, one end of the first door panel 31 is connected with the first support 32, and the first support 32 is sleeved on the vertical rod 2; the second door panel mechanism 4 includes a second door panel 41 and a second support 42, one end of the second door panel 41 is connected to the second support 42, and the second support 42 is sleeved on the vertical rod 2.
Preferably, the other end of the first longitudinal rod 52 is provided with a first guiding column 53, and the first guiding column 53 can slide in the first groove 11 on the sliding rail 1; the other end of the second vertical rod 62 is provided with a second guide post 63, and the second guide post 63 can slide in the second groove 12 of the slide rail 1.
Preferably, the upright rod 2 is provided with a limiting block 21, and when the switch cabinet is powered off, the first door panel mechanism 3, the connecting seat 7 and the second door panel mechanism 4 slide down to the limiting block 21 under the action of gravity, so that the valve is automatically closed.
Preferably, the first door panel mechanism 3 is located above the connecting seat 7, and the second door panel mechanism 4 is located below the connecting seat 7; when the switch cabinet is powered off, the included angle between the first transverse rod 51 and the first longitudinal rod 52 is 80-90 degrees; when the switch cabinet is powered on, the included angle between the first cross rod 51 and the first longitudinal rod 52 is 90-120 degrees. The design can ensure that the stress of the connecting rod mechanism is more balanced while the stability is ensured.
Preferably, still include backing sheet 8, backing sheet 8 is the sheet metal piece of bending of integrated into one piece, and backing sheet 8 is including connecting in the first backing sheet 81 of the cubical switchboard cabinet body and the second backing sheet 82 of the first backing sheet of the internal orientation skew of cubical switchboard cabinet, and first backing sheet 81 and second backing sheet 82 are flat sheet structure, and first backing sheet 81 passes through the bolt fastening on the wall of the cabinet body. The first cross bar 51 is hinged to the second support plate 82 at a first hinge point 83, and the first hinge point 83 is close to the hinge point 54 between the first cross bar 51 and the first longitudinal bar 52; the second cross bar 61 is hinged to the second support plate 82 at a second hinge point 84, and the second hinge point 84 is close to the hinge point 64 between the second cross bar 61 and the second longitudinal bar 62.
Preferably, the first guide post 53 and the second guide post 63 are protruded inwards the slide rail 1, and the length of the protruded portions is 0.5-1.5 cm.
Preferably, the slide rail 1 comprises a side surface 13, a bottom surface 14 and an upper surface 15, a notch 16 is formed in the position, corresponding to the second groove 12, of the bottom surface 14 of the slide rail 1, a protruding piece 17 extends below the slide rail in the position, corresponding to the second groove 12, of the side surface 13 of the slide rail 1, and the second groove 12 extends to the protruding piece 17; the second guide post 63 can pass through the notch 16. This design ensures that the first guide post 53 and the second guide post 63 have sufficient travel.
Preferably, the first grooves 11 and the second grooves 12 are arranged in a staggered manner, the top ends of the first grooves 11 are close to the upper surface 15 of the slide rail, and the bottom ends of the first grooves 11 are close to the bottom surface 14 of the slide rail; the top end of the second slot 12 is close to the bottom surface 14 of the slide rail, and the bottom end of the second slot 12 extends over the tab 17.
Preferably, the other end of the first cross bar 51 is provided with a first bar-shaped groove 55, the first support 32 is provided with a first pin 33, and when the shutter interlocking mechanism is opened or closed, the first pin 33 can slide in the first bar-shaped groove 55; the other end of the second cross bar 61 is provided with a second bar-shaped groove 65, the second support 42 is provided with a second pin 43, and when the shutter interlocking mechanism is opened or closed, the second pin 43 can slide in the second bar-shaped groove 65.
In actual operation, when the handcart is not overhauled, the handcart is located in the cabinet body and is stressed by the weight of the handcart, the first guide column 53 and the second guide column 63 are respectively located at the lower ends of the first groove 11 and the second groove 12, the first door panel 31 and the second door panel 41 are lifted up under the action of the first connecting rod mechanism 5 and the second connecting rod mechanism 6, and the valve is in an open state. When needing to overhaul, push out the handcart from the cabinet body, the connecting block of handcart bottom leaves first guide post 53 and second guide post 63, under the action of gravity of first door plant mechanism 3, second door plant mechanism 4, first link mechanism 5 and second link mechanism 6, first guide post and second guide post move up to the upper end in first groove and second groove, first door plant 31 and second door plant 41 move down this moment for the valve is closed, isolate power contact, prevent that the maintainer from receiving the injury.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a cubical switchboard valve interlocking device which characterized in that: the door panel mechanism and the vertical rod mechanism are respectively and fixedly arranged in the cabinet body of the switch cabinet, and can be connected to the vertical rod in a vertically sliding manner; the first connecting rod mechanism comprises a first transverse rod and a first longitudinal rod, one end of the first transverse rod and one end of the first longitudinal rod are hinged with each other, the other end of the first transverse rod is rotatably connected to the first door panel mechanism, and the other end of the first longitudinal rod can slide in a first groove on the sliding rail; the second connecting rod mechanism comprises a second transverse rod and a second longitudinal rod, one end of the second transverse rod is hinged with one end of the second longitudinal rod, the other end of the second transverse rod is rotatably connected to the second door panel mechanism, and the other end of the second longitudinal rod can slide in a second groove in the sliding rail; and a connecting seat is arranged between the first door panel mechanism and the second door panel mechanism, so that the first door panel mechanism and the second door panel mechanism keep a constant distance and can synchronously act.
2. The switchgear cabinet shutter interlock according to claim 1, wherein: the first door plate mechanism comprises a first door plate and a first support, one end of the first door plate is connected with the first support, and the first support is sleeved on the vertical rod; the second door panel mechanism comprises a second door panel and a second support, one end of the second door panel is connected with the second support, and the vertical rod is sleeved with the second support.
3. The switchgear cabinet shutter interlock according to claim 1, wherein: the other end of the first longitudinal rod is provided with a first guide post, and the first guide post can slide in a first groove on the sliding rail; and a second guide post is arranged at the other end of the second longitudinal rod and can slide in a second groove on the slide rail.
4. The switchgear cabinet shutter interlock according to claim 1, wherein: be equipped with the stopper in the pole setting, when cubical switchboard outage, first door plant mechanism, connecting seat and second door plant mechanism slide down to the stopper under the action of gravity, realize the valve self-closing.
5. The switchgear cabinet shutter interlock according to claim 4, wherein: the first door plate mechanism is positioned above the connecting seat, and the second door plate mechanism is positioned below the connecting seat; when the switch cabinet is powered off, the included angle between the first transverse rod and the first longitudinal rod is 80-90 degrees; when the switch cabinet is powered on, the included angle between the first transverse rod and the first longitudinal rod ranges from 90 degrees to 120 degrees.
6. The switch cabinet valve interlocking mechanism according to claim 1, further comprising a support piece, wherein the support piece is a sheet metal bent piece, the support piece comprises a first support piece connected to the switch cabinet body and a second support piece deviating from the first support piece towards the direction inside the switch cabinet body, the first cross bar is hinged to the second support piece at a first hinge point, and the first hinge point is close to the hinge point of the first cross bar and the first longitudinal bar; the second cross rod is hinged to the second supporting piece at a second hinge point, and the second hinge point is close to the hinge point of the second cross rod and the second longitudinal rod.
7. The switch cabinet shutter interlocking mechanism according to claim 3, wherein the first guide post and the second guide post are protruded inwards the slide rail, and the protruding length is 0.5-1.5 cm.
8. The switch cabinet shutter interlocking mechanism according to claim 1, wherein the slide rail comprises a side surface, a bottom surface and an upper surface, the bottom surface of the slide rail is provided with a notch corresponding to the second slot position, the side surface of the slide rail extends to a lug below the slide rail corresponding to the second slot position, and the second slot extends to the lug; the second guide post may pass through the notch.
9. The switch cabinet shutter interlocking mechanism according to claim 8, wherein the first slot and the second slot are arranged in a staggered manner, the top end of the first slot is close to the upper surface of the slide rail, and the bottom end of the first slot is close to the bottom surface of the slide rail; the top of second groove is close to the slide rail bottom surface, and the bottom of second groove extends on the lug.
10. The switch cabinet shutter interlocking mechanism according to claim 2, wherein the other end of the first cross bar is provided with a first bar-shaped groove, the first support is provided with a first pin, and the first pin can slide in the first bar-shaped groove when the shutter interlocking mechanism is opened or closed; and a second strip-shaped groove is formed in the other end of the second cross rod, a second pin is arranged on the second support, and when the valve interlocking mechanism is opened or closed, the second pin can slide in the second strip-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617361.5U CN210379987U (en) | 2019-09-26 | 2019-09-26 | Switch cabinet valve interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617361.5U CN210379987U (en) | 2019-09-26 | 2019-09-26 | Switch cabinet valve interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210379987U true CN210379987U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921617361.5U Active CN210379987U (en) | 2019-09-26 | 2019-09-26 | Switch cabinet valve interlocking mechanism |
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|---|---|
| CN (1) | CN210379987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243505A (en) * | 2021-12-17 | 2022-03-25 | 亨斯迈(杭州)电力技术有限公司 | Valve mechanism and electric power cabinet |
-
2019
- 2019-09-26 CN CN201921617361.5U patent/CN210379987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243505A (en) * | 2021-12-17 | 2022-03-25 | 亨斯迈(杭州)电力技术有限公司 | Valve mechanism and electric power cabinet |
| CN114243505B (en) * | 2021-12-17 | 2024-02-06 | 亨斯迈(杭州)电力技术有限公司 | Valve mechanism and electric power cabinet |
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Effective date of registration: 20201210 Address after: Baden, Switzerland Patentee after: ABB Switzerland Co.,Ltd. Address before: 361000 No.2 workshop, No.16, Xianghai Road, torch high tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province Patentee before: Jonathan (Xiamen) Electric Co.,Ltd. |