CN203607277U - Locking device of grounding switch used for high voltage switch cabinet - Google Patents
Locking device of grounding switch used for high voltage switch cabinet Download PDFInfo
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- CN203607277U CN203607277U CN201320647589.5U CN201320647589U CN203607277U CN 203607277 U CN203607277 U CN 203607277U CN 201320647589 U CN201320647589 U CN 201320647589U CN 203607277 U CN203607277 U CN 203607277U
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- rotating shaft
- interlocking
- cabinet
- switch
- ground connection
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Abstract
Provided is a locking device of a grounding switch used for a high voltage switch cabinet. The problem that the conventional switch employs an interlocking device with manual operation and the requirement of electric operation cannot be met is solved. The locking device of the grounding switch used for the high voltage switch cabinet is characterized in that a guide rail interlocking mechanism is fixed to a cabinet body, a grounding rotating shaft is provided with a grounding crank arm, the grounding crank arm is connected with a grounding switch crank arm via a pull rod, a guide supporting seat sleeved with the grounding rotating shaft is fixedly provided with a guide rod, the guide rod is provided with a small crank arm and a small pressure spring, the grounding rotating shaft is fixedly provided with an interlocking crank arm and a large pressure spring, a cable chamber rear lower door is fixedly provided with a locking plate, and the guide rail interlocking mechanism is connected with an operation hole baffle via a small pull rod. The beneficial effects of the locking device of the grounding switch used for the high voltage switch cabinet are that the structure is simple, the motion is accurate, the operation is safe and reliable, the time and the labor are saved, the overhauling is convenient, electric operation and manual operation can both be performed and are interlocked, the interlocking of manual operation is not affected by the interlocking of the electric operation, and dual five-prevention interlocking of the electric switch cabinet is realized from the mechanical and electrical aspects.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, and the particularly operating means of indoor earthed switch is a kind of grounding switch locking device for high-tension switch cabinet specifically.
Background technology
Armoured removable type alternating adopts middle breaker structure more, the leading products of 10kV system, what the earthed switch in switch product adopted in the market is manual operation, along with the development of intelligent switchboard system, require earthed switch to possess electrically operated function, original interlock can not meet the electrically operated requirement of earthed switch, under earthed switch "on" position, if circuit breaker is pushed into service position, will cause serious accident; If earthed switch is by mistake separating brake, during to the conductor power transmission of maintenance product, will directly jeopardize operating personnel's life security, there is sizable potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is, overcome the deficiencies in the prior art part, providing can electric operating, again can manual operation, a kind of grounding switch locking device for high-tension switch cabinet of electric operating and the interlocking of manual operation interlocking, in order to be grounded switch separating brake and combined floodgate, realize the interlocking of circuit breaker and earthed switch, the interlocking of Xiamen and earthed switch behind cable vault.
The technical solution adopted in the utility model comprises cabinet, bearing and rear support before fixedly mounting on cabinet, on cabinet, fixedly mount support sleeve, ground connection rotating shaft is installed in the axis hole of front bearing and rear support, ground connection rotating shaft is through support sleeve, on front bearing, block is installed, fitting operation hole baffle plate and slide block on the front frame of cabinet, in ground connection rotating shaft, be provided with and strengthen axle sleeve and front limit cover, fixed guide interlocking device on the cabinet above ground connection rotating shaft right-hand member, in ground connection rotating shaft, earthed crank arm is installed, earthed crank arm lower end by upper pin with on add fork hinged, on add fork be fixedly connected with pull bar upper end, earthed switch connecting lever is installed in the rotating shaft of earthed switch, earthed switch connecting lever lower end by lower bearing pin with under add fork hinged, under add fork be fixedly connected with pull bar lower end, on cabinet, fixedly mount travel switch, in ground connection rotating shaft, be set with guide type shoe, after guide type shoe utilization, stop collar location, fixedly mounts guide post on guide type shoe, and little connecting lever and small pressure spring are installed on guide post, and small pressure spring is between little connecting lever and guide type shoe, at ground connection rotating shaft left end fixed installation interlocking connecting lever and large stage clip, large stage clip is between interlocking connecting lever and guide type shoe, behind the cable vault of cabinet, on Xiamen, fixedly mount jam plate, on cabinet, also fixedly mount switch bent plate, on switch bent plate, fixedly mount electromagnet, the tooth inserting board between pressing plate and the electromagnet of installing in ground connection rotating shaft is on switch bent plate.
Described guide rail interlocking device is arranged on the bent plate of right guide rail of ground connection rotating shaft top, in the left end axis hole of right guide rail bent plate and fixed cover axis hole, interlocking shaft is installed, on interlocking shaft, install and connect connecting lever, the first torsion spring, the second torsion spring, little bent plate and limiting plate, little bent plate is connected by connecting pin with limiting plate, and the 3rd torsion spring and interlocking baffle plate are installed on connecting pin; Lower link bar is installed connecting on connecting lever, described guide rail interlocking device is connected with handle hole baffle plate by lower link bar.
Described ground connection rotating shaft right-hand member head is six side's shapes, the handle hole that described handle hole baffle plate should have operating grip to pass mutually.
Compared with prior art, the beneficial effects of the utility model are: simple in structure, action accurately, handling safety is reliable, accuracy is high, time saving and energy saving, maintenance is convenient, both can electric operating, again can manual operation, and electric operating and the interlocking of manual operation interlocking do not affect manually operated interlocking in the time realizing electrically operated interlocking, from machinery and electric two aspects, motor switch cabinet are realized to dual five anti-interlockings, avoid manual operation and caused major accident, be conducive to realize the remote control of high-tension switch cabinet, unattended operation, realizes controller switching equipment intelligent.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model under gate-dividing state,
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1,
Fig. 3 be the B of Fig. 2 to revolved section enlarged drawing,
Fig. 4 is the C-C cutaway view Amplified image of Fig. 1,
Fig. 5 is the D-D cutaway view Amplified image of Fig. 1,
Fig. 6 is the E-E cutaway view Amplified image of Fig. 1,
Fig. 7 is the front view of guide rail of the present utility model interlocking device,
Fig. 8 is the left view of Fig. 7,
Fig. 9 is the vertical view of Fig. 7.
In figure:
1. cabinet,
The right guide rail of 1-1., Xiamen behind 1-2. cable vault,
2. block, 3. end cap, 4. front bearing,
5. handle hole baffle plate, 6. slide block,
7. guide rail interlocking device,
7-1. lower link bar, 7-2. connects connecting lever, 7-3. fixed cover,
7-4. interlocking shaft, 7-5. the first torsion spring, 7-6. the second torsion spring,
The little bent plate of 7-7., 7-8. connecting pin, the 7-9. baffle plate of interlocking,
7-10. the 3rd torsion spring, 7-11. limiting plate.
8. ground connection rotating shaft, 9. support sleeve, 10. earthed crank arm, 11. strengthen axle sleeve,
12-1, front limit cover, 12-2, rear stop collar,
13. guide type shoes, 14. travel switches,
15 small pressure springs, 16, little connecting lever, 17. guide posts,
18. rear supports, 19. interlocking connecting levers, 20. jam plates, 21. large stage clips,
22-1. upper pin, 22-2. lower bearing pin,
On 23-1., add fork, under 23-2., add fork,
24. pull bars, 25. earthed switches,
26. earthed switch connecting levers, 27. tooth plates, 28. electromagnet,
29. switch bent plates, 30. close a floodgate identifies, 31. separating brakes marks.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Fig. 1～Fig. 6, the utility model comprises cabinet 1, bearing 4 and rear support 18 before fixedly mounting on cabinet 1, on cabinet 1, also fixedly mount support sleeve 9, in the axis hole of bearing 4 and rear support 18, ground connection rotating shaft 8 is installed, ground connection rotating shaft 8 is through support sleeve 9, and support sleeve 9 is to 8 booster actions of ground connection rotating shaft, on front bearing 4, block 2 is installed, at bearing 4, end cap 3 is installed above, be pasted with at the front surface of end cap 3 close a floodgate mark 30 and separating brake mark 31, fitting operation hole baffle plate 5 and slide block 6 on the front frame of cabinet 1, handle hole baffle plate 5 can move up and down, fixed guide interlocking device 7 on the cabinet 1 of ground connection rotating shaft 8 right-hand member tops, in ground connection rotating shaft 8, be provided with and strengthen axle sleeve 11 and front limit cover 12-1, dead earth connecting lever 10 in ground connection rotating shaft 8, earthed crank arm 10 lower ends by upper pin 22-1 with on add fork 23-1 hinged, on add fork 23-1 utilize bolt to be fixedly connected with pull bar 24 upper ends, earthed switch connecting lever 26 is installed in the rotating shaft of earthed switch 25, earthed switch connecting lever 26 is driving elements of the present utility model, earthed switch connecting lever 26 lower ends by lower bearing pin 22-2 with under add fork 23-2 hinged, under add fork 23-2 utilize bolt to be fixedly connected with pull bar 24 lower ends, on cabinet 1, fixedly mount travel switch 14, the trip switch 14 is used for Xiamen 1-2 behind control cables chamber, in ground connection rotating shaft 8, be set with guide type shoe 13, stop collar 12-2 location after guide type shoe 13 utilizes, on guide type shoe 13, fixedly mount guide post 17, guide post 17 can move left and right in guide type shoe 18, little connecting lever 16 and small pressure spring 15 are installed on guide post 17, and small pressure spring 15 is between little connecting lever 16 and guide type shoe 13, at ground connection rotating shaft 8 left end fixed installation interlocking connecting lever 19 and large stage clips 21, large stage clip 21 is between interlocking connecting lever 19 and guide type shoe 13, behind the cable vault of cabinet 1, on the 1-2 of Xiamen, fixedly mount jam plate 20, on cabinet 1, fixedly mount switch bent plate 29, on switch bent plate 29, fixedly mount electromagnet 28, tooth plate 27 is inserted on switch bent plate 29, between pressing plate and electromagnet 28 that tooth plate 27 is installed in ground connection rotating shaft 8, controls sub-gate signal and switching signal in earthed switch 25 electric loops.
As Fig. 7. as shown in Fig. 8 and Fig. 9, on the right frame of cabinet 1, fixedly mount right guide rail 1-1, described guide rail interlocking device 7 is arranged on the bent plate of right guide rail 1-1 of ground connection rotating shaft 8 tops, the left end of the bent plate of right guide rail 1-1 is installed fixed cover 7-3, in the left end axis hole of the bent plate of right guide rail 1-1 and fixed cover 7-3 axis hole, interlocking shaft 7-4 is installed, the bent plate of right guide rail 1-1 and fixed cover 7-3 play spacing and supporting role to interlocking shaft 7-4; On interlocking shaft 7-4, install and connect connecting lever 7-2, the first torsion spring 7-5, the second torsion spring 7-6, little bent plate 7-7 and limiting plate 7-11, little bent plate 7-7 is connected by connecting pin 7-8 with limiting plate 7-11, and the 3rd torsion spring 7-10 and interlocking baffle plate 7-9 are installed on connecting pin 7-8; On connection connecting lever 7-2, lower link bar 7-1 is installed, guide rail interlocking device 7 is connected with handle hole baffle plate 5 by lower link bar 7-1.
Described ground connection rotating shaft 8 right-hand member heads are six side's shapes, and described handle hole baffle plate 5 should have handle hole mutually, and operating grip, through the handle hole of handle hole baffle plate 5, puts on six sides of ground connection rotating shaft 8, and operating grip is connected with ground connection rotating shaft 8, can manual operation earthed switch.
When use, when earthed switch 25 carries out closing operation under the driving of motor drive mechanism, from cabinet, drive ground connection rotating shaft 8 to clockwise rotate, drive interlocking shaft 7-4 to rotate by connecting rod 7-1, under the effect of the 3rd spring 7-10, interlocking baffle plate 7-9 stretches out forward, the dead bolt promoting on circuit breaker chassis moves, and because circuit breaker itself has added interlocking, in the time that earthed switch 25 closes a floodgate, circuit breaker can not arrive service position and closes a floodgate; In the time of earthed switch 25 separating brake, ground connection rotating shaft 8 counter-rotation, drive interlocking shaft 7-4 to rotate by connecting rod 7-1, the first torsion spring 7-5, the second torsion spring 7-6 and the 3rd torsion spring 7-10 make to interlock baffle plate 7-9 reset, bolt plate on circuit breaker chassis resets, circuit breaker release, now circuit breaker can enter into smoothly service position and carries out next step operation, realizes circuit breaker and earthed switch is reliably interlocked.
When circuit breaker is in service position, earthed switch 25 separating brakes, connecting rod 7-1 pushes down handle hole baffle plate 5 can not down sliding, blocks the macro-axis handle hole on cabinet 1, and earthed switch 25 can not carry out closing operation, prevents circuit breaker mistake point earthed switch under "on" position.
When under the driving of earthed switch 25 at motor drive mechanism when separating brake, ground connection rotating shaft 8 drives interlocking connecting levers 19, sees that from cabinet 1 interlocking connecting lever 19 clockwise rotates below, hooks the jam plate 20 on the 1-2 of Xiamen behind cable vault, and behind cable vault, Xiamen 1-2 does not open; In the time that earthed switch 25 closes a floodgate, ground connection rotating shaft 8 drives interlocking connecting lever 19 to rotate backward, and leaves jam plate 20, and behind cable vault, Xiamen 1-2 can open.In the time that behind cable vault, Xiamen 1-2 opens, the jam plate 20 being fixed in door leaves cabinet 1, guide post 17 is under the effect of small pressure spring 15, leave travel switch 14, be moved to the left along rear support 18, put in the afterframe of cabinet 1, little connecting lever 16 moves left to cabinet under small pressure spring 15 drives, the interlocking connecting lever 19 blocking in ground connection rotating shaft 8 can not rotate it, thereby earthed switch 25 can not operate; When Xiamen 1-2 behind cable vault closes behind the door, after guide post 17 is subject to cable vault, Xiamen 1-2 is squeezed in the afterframe that leaves cabinet 1 under small pressure spring 15 drives, little connecting lever 16 moves right to cabinet, leave interlocking connecting lever 19, earthed switch 25 can operate, now guide post 17 touches travel switch 14, realizes the electrical interlock that Xiamen 1-2 shuts behind cable vault; Therefore when the utility model can be grounded switch and do not close a floodgate, cable chamber door can not be opened, and after earthed switch closes a floodgate, cable chamber door can be opened; After cable chamber door is opened, can not operational grounding switch, after cable chamber door is closed, earthed switch can operate; Be earthed switch 25 with cable vault after the reverse interlocking of Xiamen 1-2 for must shut Xiamen 1-2 behind cable vault, can operational grounding switch 25; Earthed switch 25 is opened Xiamen 1-2 behind cable vault after closing a floodgate, can not operational grounding switch 25; Break down for preventing that electric ground switch from operating, the utility model can be connected with ground connection rotating shaft 8 by operating grip, realizes manual operation earthed switch.
Claims (3)
1. the grounding switch locking device for high-tension switch cabinet, comprise cabinet (1), bearing (4) and rear support (18) before the upper fixed installation of cabinet (1), at cabinet (1) upper fixed installation support sleeve (9), in the axis hole of front bearing (4) and rear support (18), ground connection rotating shaft (8) is installed, ground connection rotating shaft (8) is through support sleeve (9), at the upper block (2) of installing of front bearing (4), fitting operation hole baffle plate (5) and slide block (6) on the front frame of cabinet (1), in ground connection rotating shaft (8), be provided with and strengthen axle sleeve (11) and front limit cover (12-1), it is characterized in that, the upper fixed guide interlocking device (7) of cabinet (1) in ground connection rotating shaft (8) right-hand member top, at the upper earthed crank arm (10) of installing of ground connection rotating shaft (8), earthed crank arm (10) lower end by upper pin (22-1) with on to add fork (23-1) hinged, on add fork (23-1) and be fixedly connected with pull bar (24) upper end, earthed switch connecting lever (26) is installed in the rotating shaft of earthed switch (25), earthed switch connecting lever (26) lower end by lower bearing pin (22-2) with under to add fork (23-2) hinged, under add fork (23-2) and be fixedly connected with pull bar (24) lower end, at cabinet (1) upper fixed installation travel switch (14), at ground connection rotating shaft (8) upper suit guide type shoe (13), stop collar (12-2) location after guide type shoe (13) utilizes, guide type shoe (13) upper fixed installation guide post (17), at upper little connecting lever (16) and the small pressure spring (15) installed of guide post (17), small pressure spring (15) is between little connecting lever (16) and guide type shoe (13), at ground connection rotating shaft (8) left end fixed installation interlocking connecting lever (19) and large stage clip (21), large stage clip (21) is between interlocking connecting lever (19) and guide type shoe (13), Xiamen behind the cable vault of cabinet (1) (1-2) upper fixed installation jam plate (20), on cabinet (1), also fixedly mount switch bent plate (29), switch bent plate (29) upper fixed installation electromagnet (28), the tooth plate (27) being positioned between upper pressing plate and the electromagnet (28) of installing of ground connection rotating shaft (8) is inserted on switch bent plate (29).
2. a kind of grounding switch locking device for high-tension switch cabinet according to claim 1, it is characterized in that, described guide rail interlocking device (7) is arranged on the bent plate of right guide rail (1-1) of ground connection rotating shaft (8) top, in the left end axis hole of right guide rail (1-1) bent plate and fixed cover (7-3) axis hole, interlocking shaft (7-4) is installed, connect connecting lever (7-2) upper installation of interlocking shaft (7-4), the first torsion spring (7-5), the second torsion spring (7-6), little bent plate (7-7) and limiting plate (7-11), little bent plate (7-7) is connected by connecting pin (7-8) with limiting plate (7-11), at upper the 3rd torsion spring (7-10) and the interlocking baffle plate (7-9) installed of connecting pin (7-8), connecting the upper lower link bar (7-1) of installing of connecting lever (7-2), described guide rail interlocking device (7) is connected with handle hole baffle plate (5) by lower link bar (7-1).
3. a kind of grounding switch locking device for high-tension switch cabinet according to claim 1, is characterized in that, described ground connection rotating shaft (8) right-hand member head is six side's shapes, the handle hole that described handle hole baffle plate (5) should have operating grip to pass mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647589.5U CN203607277U (en) | 2013-10-21 | 2013-10-21 | Locking device of grounding switch used for high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320647589.5U CN203607277U (en) | 2013-10-21 | 2013-10-21 | Locking device of grounding switch used for high voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN203607277U true CN203607277U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320647589.5U Expired - Fee Related CN203607277U (en) | 2013-10-21 | 2013-10-21 | Locking device of grounding switch used for high voltage switch cabinet |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN105337189A (en) * | 2015-11-30 | 2016-02-17 | 浙江高压开关厂有限公司 | Operation mechanism case for solid insulating ring network cabinet |
| CN105575695A (en) * | 2014-10-08 | 2016-05-11 | 向荣集团有限公司 | Switch cabinet bevel gear mechanical interlocking assembly |
| CN106505459A (en) * | 2016-11-07 | 2017-03-15 | 江苏大烨智能电气股份有限公司 | A kind of SF6 all-insulated ring network cabinets lower door interlocking mechanism |
| CN108376622B (en) * | 2018-04-28 | 2023-09-15 | 无锡市新一代电力电器有限公司 | Side-mounted switch cabinet grounding switch interlocking device |
-
2013
- 2013-10-21 CN CN201320647589.5U patent/CN203607277U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201571A (en) * | 2014-09-19 | 2014-12-10 | 山东电力设备有限公司 | Anti-misoperation ground protection mechanism for dry type transformer |
| CN105575695A (en) * | 2014-10-08 | 2016-05-11 | 向荣集团有限公司 | Switch cabinet bevel gear mechanical interlocking assembly |
| CN105575695B (en) * | 2014-10-08 | 2018-05-08 | 向荣集团有限公司 | Switchgear umbrella tooth mechanical interlocking assembles |
| CN104269766A (en) * | 2014-10-23 | 2015-01-07 | 何华斌 | Miniaturized switch cabinet of handcart type |
| CN105337189A (en) * | 2015-11-30 | 2016-02-17 | 浙江高压开关厂有限公司 | Operation mechanism case for solid insulating ring network cabinet |
| CN105337189B (en) * | 2015-11-30 | 2017-07-28 | 浙江高压开关厂有限公司 | A kind of operating mechanism box of solid insulation ring main unit |
| CN106505459A (en) * | 2016-11-07 | 2017-03-15 | 江苏大烨智能电气股份有限公司 | A kind of SF6 all-insulated ring network cabinets lower door interlocking mechanism |
| CN108376622B (en) * | 2018-04-28 | 2023-09-15 | 无锡市新一代电力电器有限公司 | Side-mounted switch cabinet grounding switch interlocking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20151021 |
|
| EXPY | Termination of patent right or utility model |