CN204793810U - 10kV cubical switchboard generating line earthing device - Google Patents
10kV cubical switchboard generating line earthing device Download PDFInfo
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- CN204793810U CN204793810U CN201520487011.7U CN201520487011U CN204793810U CN 204793810 U CN204793810 U CN 204793810U CN 201520487011 U CN201520487011 U CN 201520487011U CN 204793810 U CN204793810 U CN 204793810U
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- switch cabinet
- chassis vehicle
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- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000012795 verification Methods 0.000 claims description 24
- 238000013461 design Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 7
- 239000012780 transparent material Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The utility model relates to a generating line earthing device especially relates to a 10kV cubical switchboard generating line earthing device. Including the chassis car, have the toolbox on the car of chassis, install grounding contact on the car of chassis, install safety shield above the car of chassis, safety shield upper portion corresponds the position with the cubical switchboard contact and has a plurality of through -holes, and warning sign rotary mechanism is installed to one side of chassis car. Electricity, grounding handcart function collection in an organic whole will be tested to this device, and be equipped with linkage warning device and transparent material's safety protection baffle. This device possesses the electricity of testing, ground connection function, and can realize effective shutting of device and switch cabinet doors, effectively avoids operating personnel's maloperation and operating personnel direct contact cabinet inner zone electric installation, the security that has improved personnel and equipment. This device commonality is strong, has reduced operation flow and operating personnel's work load, and effective solution is putd aside formula cubical switchboard generating line and is tested electricity, ground connection problem, has further promoted 10kV cubical switchboard safety control level.
Description
Technical field
The utility model belongs to electric apparatus technical field, relates to a kind of bus grounding device, particularly relates to a kind of 10kV switch cabinet bus grounding device.
Background technology
At present, in electric power system, the cabinet of 10kV withdraw-type switch cabinet all has " five anti-interlocks ", and switch cubicle all cannot be opened at charged situation lower cabinet door and shrouding.According to electric power safety operational procedure regulation, switch cubicle must first through electrical verification when interruption maintenance, confirms, without hanging earthing conductor again after electricity, to carry out service work in cabinet of being allowed for access when switch cubicle effective grounding.Because 10kV withdraw-type switch cabinet also confirms can not open shrouding without during electricity without electrical verification, bus cannot hanging earthing conductor.Part producer has designed and produced electricity-testing handcart for breaker chamber and earth handcart, but because handcart and other circuit breaker are not electric or mechanical latching function, in use there is larger potential safety hazard, and handcart is heavier, operating process is complicated, operating personnel's inefficiency, labour intensity are large, are therefore effectively applied.
Summary of the invention
The utility model provides a kind of 10kV switch cabinet bus grounding device, and this bus grounding device is equipped with the kit such as electroscope and Special grounding wire.This device possesses electric or mechanical locking device reliably, possess electrical verification, grounding function, and effective locking can be formed, electrical verification, earth handcart function are integrated in one, reduce operating process and installation weight, bus PT can be directly used in cashier's office in a shop, effectively solve withdraw-type switch cabinet bus can not directly electrical verification, ground connection problem, lifting 10kV switch cubicle safety management level further.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of 10kV switch cabinet bus grounding device, it is characterized in that: comprise chassis vehicle, with tool box on chassis vehicle, chassis vehicle is provided with grounding contact, above chassis vehicle, safety screen is installed, safety screen top and switch cabinet contact correspondence position are with multiple through hole, and the side of chassis vehicle is provided with warning sign rotating mechanism.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: described warning sign rotating mechanism comprises the stop sleeve on tooth bar connecting rod, chassis vehicle sidewall, and tooth bar connecting rod is through inside stop sleeve, and warning sign is rack-mount.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: described warning sign is hinged on support by pivot pin, the tooth bar engagement of the wheel and rack connecting rod one end on pivot pin, the tooth bar connecting rod other end is with limited cap.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: described tool box is installed on the rear portion above of chassis vehicle, comprise casing, lower box is connected with chassis vehicle by bolt, casing top is connected with case lid by hinge, case lid and casing are provided with hasp, and by hasp, case lid and casing are closed, inside, tool box is placed with electricity-testing insulating hook stick, ground pin and earth connection.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: described electricity-testing insulating hook stick is acousto-optic electrical verification indicating device and telescopic insulating rod integral structure, electricity-testing insulating hook stick comprises telescopic insulating rod, acousto-optic electrical verification indicating device and contact electrode, acousto-optic electrical verification indicating device is arranged on the front end of telescopic insulating rod, contact electrode is arranged on the front end of acousto-optic electrical verification indicating device, with "T"-shaped structure on contact electrode.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: the rear end of described telescopic insulating rod is provided with handle, and handle front end is provided with handguard, and the centre of telescopic insulating rod is provided with and screws handle,
According to described 10kV switch cabinet bus grounding device, it is characterized in that: described ground pin rear design has "T"-shaped catching groove, in "T"-shaped catching groove, spring is installed, the side of ground pin is crimped with earth connection by bolt, and the earth connection of three-phase gathers and is connected with the pressure mouth formula grounding contact of chassis vehicle bottom the friction type contact and chassis vehicle front portion afterwards.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: the mid portion of described safety screen is transparent baffle plate, and safety screen top is with three manholes.
According to described 10kV switch cabinet bus grounding device, it is characterized in that: the front portion, the left and right sides of chassis vehicle is provided with valve push pedal.
The utility model is equipped with electrical verification, the required Work tools of ground connection operation such as chassis vehicle, tool box, safety screen, electricity-testing insulating hook stick, ground pin and interlock warning sign, electrical verification, earth handcart function are integrated in one, possess electrical verification, grounding function, decrease the workload of operating process and operating personnel.Electricity-testing insulating hook stick is electrical verification indicating device and insulated operating rod integral structure, and possesses Telescopic, achieves the effective integration of two kinds of functions, is easy to carry and operates use.This device is provided with interlock warning sign, can effective locking of implement device and door of switch cabinet, remind operating personnel busbar grounding can not to close a floodgate power transmission, effectively avoid the misoperation of operating personnel, simultaneously, device is provided with the safety screen processed by transparent material, the observation of convenient operation personnel and effectively avoid operating personnel directly to contact charging equipment in cabinet, improves the fail safe of personnel and equipment.This device is provided with bottom the friction type contact and anterior pressure mouth formula grounding contact two kinds of earthing modes, is applicable to the cabinet shape of two kinds of earthing modes, improves the versatility of device.This device can effectively solve withdraw-type switch cabinet bus can not directly electrical verification, ground connection problem, improve 10kV switch cubicle safety management level further.
Accompanying drawing explanation
Fig. 1: the utility model front view.
Fig. 2: the utility model vertical view.
Fig. 3: the utility model right view.
Fig. 4: the utility model left view.
Fig. 5: the utility model is overlooked case lid and opened figure.
Fig. 6: the utility model ground pin front view.
Fig. 7: the utility model ground pin vertical view.
Fig. 8: utility model ground pin left view.
In accompanying drawing: 1. chassis vehicle; 2. tool box; 3. safety screen; 4. through hole; 5. hasp; 6. case lid; 7. casing; 8. gear; 9. stop sleeve; 10. tooth bar connecting rod; 11. valve push pedals; 12. pressure mouth formula grounding contacts; 13. the friction type contacts; 14. warning signs; 15. supports; 16. hinges; 17. screw handle; 18. pivot pins; 19. acousto-optic electrical verification indicating devices; 20. contact electrodes; 21. "T"-shaped structures; 22. ground pins; 23. earth connections; 24. handguards; 25. handles; 26. telescopic insulating rods; 27. "T"-shaped catching grooves; 28. springs.
Embodiment
As shown in Figure 1,10kV switch cabinet bus grounding device comprises chassis vehicle 1, and chassis vehicle 1 bottom is provided with the friction type contact 13, and pressure mouth formula grounding contact 12 is equipped with in front portion, and chassis vehicle 1 top is provided with the parts such as tool box 2, safety screen 3 and warning sign 4.
As shown in Figure 5, tool box 2 is installed on the rear portion above of chassis vehicle 1, and comprise casing 7, casing 7 bottom is connected with chassis vehicle 1 by bolt.Casing 7 top is connected with case lid 6 by hinge 16, and case lid 6 and casing 7 are provided with hasp 5, by hasp 5, case lid 6 and casing 7 is closed.Inside, tool box 2 is placed with the utensils such as electricity-testing insulating hook stick, ground pin 22 and earth connection 23.Electricity-testing insulating hook stick is acousto-optic electrical verification indicating device 19 and insulated operating rod integral structure.
Electricity-testing insulating hook stick comprises telescopic insulating rod 26, and the rear end of telescopic insulating rod 26 is provided with handle 26, and handle 26 front end is provided with handguard 24.The centre of telescopic insulating rod 26 is provided with and screws handle 17, and the front end of telescopic insulating rod 26 is provided with acousto-optic electrical verification indicating device 19.Acousto-optic electrical verification indicating device 19 front end is provided with contact electrode 20, and contact electrode 20 is designed to "T"-shaped structure.
As shown in figs 6-8, ground pin 22 rear design has "T"-shaped catching groove 27, in "T"-shaped catching groove 27, spring 28 is installed, the side of ground pin 22 is crimped with earth connection 23 by bolt, and the earth connection 23 of three-phase gathers and is connected with chassis vehicle 1 bottom the friction type contact 13 and chassis vehicle 1 anterior pressure mouth formula grounding contact 12 afterwards.
Safety screen 3 is installed on the upper Middle face of chassis vehicle 1, is made, and be provided with on top and three of switch cabinet contact correspondence position circular through holes 4 in the middle of safety screen 3 by transparent material.The front portion, the left and right sides of chassis vehicle 1 is provided with valve push pedal 11.The left back of chassis vehicle 1 is provided with coordinated type warning sign 14, and warning sign 14 comprises tooth bar connecting rod 10.One end of tooth bar connecting rod 10 is tooth bar, and the other end is tooth bar connecting rod 10.One end of tooth bar connecting rod 10 is fixed on chassis vehicle 1 sidewall by stop sleeve 9, the other end to be fixed on support 15 and with gear 8 external toothing.Gear 8 is fixed with warning sign 14, and is hinged on support 15 by pivot pin 18, warning sign 14 can print printed words such as " busbar grounding, No switching ons ".
Operation principle
When 10kV switch cabinet bus grounding device puts into intermediate switchgear cabinet, first chassis vehicle 1 is shaken to service position.The friction type contact 13 of chassis vehicle 1 bottom or the pressure mouth formula grounding contact 12 of front portion contact with the respective contacts on cabinet, and earth connection 23 one end is grounded; As shown in Figure 3, shaking in process simultaneously, there is relative motion in tooth bar connecting rod 10 and stop sleeve 9, when stop sleeve 9 continues the limited cap sliding into tooth bar connecting rod 10 end to switch cubicle direction, stop sleeve 9 will be with carry-over bar connecting rod 10 to move, the rack drives gear 8 of tooth bar connecting rod 10 is executed and is turned, and when chassis vehicle arrives service position, coordinated type warning sign 14 is rotated counterclockwise 90 ° to horizontal level and stretches out outside cabinet.Chassis vehicle 1 circuit breaker chamber door when service position cannot be closed, and reminds operating personnel's " busbar grounding, No switching on ".
Then, electricity-testing insulating hook stick is inserted into switch cabinet bus side fixed contact respectively by the through hole of three on safety screen 34 and carries out electrical verification.Confirm without after electricity, then be arranged on electricity-testing insulating hook stick with by the ground pin 22 with earth connection 23.As shown in Figure 5, the contact electrode 20 of the "T"-shaped structure 21 of electricity-testing insulating hook stick is stuck in the "T"-shaped catching groove 27 on ground pin 22, again ground pin 22 and switch cabinet bus side fixed contact are carried out grafting, promote electricity-testing insulating hook stick inwards again and rotate, electricity-testing insulating hook stick is separated with ground pin 22, by that analogy, another two ground pins 22 are carried out reliable grafting with switch cabinet bus side fixed contact, completes the busbar grounding of 10kV switch cubicle.
Embodiment
The utility model can be used for the wide PT of 800mm of 10kV middle-placed switch cabinet KYN28A-12 cashier's office in a shop, and this device adopts the wide cabinet chassis vehicle of 800mm, and chassis vehicle 1 adopts bottom the friction type contact 13 and anterior pressure mouth formula grounding contact 12 two kinds of earthing modes.Ground pin 22 adopts Φ 35 Mume flower contact, and Mume flower contact rear portion is provided with "T"-shaped catching groove 27, and inside is provided with spring 28; Earth connection 23 adopts the long 25mm of a 1.5m × 3+2m
2copper pigtail lines, 25mm
2copper pigtail lines one end is crimped on Φ 35 Mume flower contact, and the other end to be crimped on bottom chassis vehicle 1 on the friction type contact 13 and anterior pressure mouth formula grounding contact 12.Install coordinated type warning sign 14 on the left of chassis vehicle 1, the left and right sides is respectively equipped with valve push pedal 11.Utilize this device can directly open contact box valve, and utilize electricity-testing insulating hook stick to carry out electrical verification, confirm without after electricity, recycling electricity-testing insulating hook stick grafting ground pin 22, realizes the busbar grounding of 10kV middle-placed switch cabinet KYN28A-12.
Claims (9)
1. a 10kV switch cabinet bus grounding device, it is characterized in that: comprise chassis vehicle (1), with tool box (2) on chassis vehicle (1), (1) is provided with grounding contact to chassis vehicle, above chassis vehicle (1), safety screen (3) is installed, safety screen (3) top and switch cabinet contact correspondence position are with multiple through hole (4), and the side of chassis vehicle (1) is provided with warning sign rotating mechanism.
2. 10kV switch cabinet bus grounding device according to claim 1, it is characterized in that: described warning sign rotating mechanism comprises the stop sleeve (9) on tooth bar connecting rod (10), chassis vehicle (1) sidewall, tooth bar connecting rod (10) is through stop sleeve (9) the inside, and warning sign (14) is arranged on support (15).
3. 10kV switch cabinet bus grounding device according to claim 2, it is characterized in that: described warning sign (14) is hinged on support (15) by pivot pin (18), gear (8) on pivot pin (18) engages with the tooth bar of tooth bar connecting rod (10) one end, and tooth bar connecting rod (10) other end is with limited cap.
4. 10kV switch cabinet bus grounding device according to claim 1, it is characterized in that: described tool box (2) is loaded on the rear portion above of chassis vehicle (1), comprise casing (7), casing (7) bottom is connected with chassis vehicle (1) by bolt, casing (7) top is connected with case lid (6) by hinge (16), case lid (6) and casing (7) are provided with hasp (5), and tool box (2) inside is placed with electricity-testing insulating hook stick, ground pin (22) and earth connection (23).
5. 10kV switch cabinet bus grounding device according to claim 4, it is characterized in that: described electricity-testing insulating hook stick is acousto-optic electrical verification indicating device (19) and telescopic insulating rod (26) integral structure, electricity-testing insulating hook stick comprises telescopic insulating rod (26), acousto-optic electrical verification indicating device (29) and contact electrode (20), acousto-optic electrical verification indicating device (19) is arranged on the front end of telescopic insulating rod (26), contact electrode (20) is arranged on the front end of acousto-optic electrical verification indicating device (19), with "T"-shaped structure (21) on contact electrode (20).
6. 10kV switch cabinet bus grounding device according to claim 5, it is characterized in that: the rear end of described telescopic insulating rod (26) is provided with handle (25), handle (25) front end is provided with handguard (24), and the centre of telescopic insulating rod (26) is provided with and screws handle (17).
7. 10kV switch cabinet bus grounding device according to claim 4, it is characterized in that: described ground pin (22) rear design has "T"-shaped catching groove (27), spring (28) is installed in "T"-shaped catching groove (27), the side of ground pin (22) is crimped with earth connection (23) by bolt, and the earth connection (23) of three-phase gathers and is connected with the pressure mouth formula grounding contact (12) of chassis vehicle (1) bottom the friction type contact (13) and chassis vehicle (1) front portion afterwards.
8. 10kV switch cabinet bus grounding device according to claim 1, is characterized in that: the mid portion of described safety screen (3) is transparent baffle plate, and safety screen (3) top is with three manholes (4).
9. 10kV switch cabinet bus grounding device according to claim 1, is characterized in that: the front portion, the left and right sides of chassis vehicle (1) is provided with valve push pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487011.7U CN204793810U (en) | 2015-07-08 | 2015-07-08 | 10kV cubical switchboard generating line earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520487011.7U CN204793810U (en) | 2015-07-08 | 2015-07-08 | 10kV cubical switchboard generating line earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793810U true CN204793810U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520487011.7U Expired - Fee Related CN204793810U (en) | 2015-07-08 | 2015-07-08 | 10kV cubical switchboard generating line earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204793810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742656A (en) * | 2018-12-26 | 2019-05-10 | 宝亨新电气（集团）有限公司 | A kind of default phase safety screen Work tool of high-voltage central-positioned switchgear |
| CN118198872A (en) * | 2024-05-13 | 2024-06-14 | 广东创辉电力工程有限公司 | Grounding device special for switch cabinet bus |
-
2015
- 2015-07-08 CN CN201520487011.7U patent/CN204793810U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742656A (en) * | 2018-12-26 | 2019-05-10 | 宝亨新电气（集团）有限公司 | A kind of default phase safety screen Work tool of high-voltage central-positioned switchgear |
| CN118198872A (en) * | 2024-05-13 | 2024-06-14 | 广东创辉电力工程有限公司 | Grounding device special for switch cabinet bus |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200708 |