CN202997364U - Electricity testing grounding handcart - Google Patents
Electricity testing grounding handcart Download PDFInfo
- Publication number
- CN202997364U CN202997364U CN 201220590678 CN201220590678U CN202997364U CN 202997364 U CN202997364 U CN 202997364U CN 201220590678 CN201220590678 CN 201220590678 CN 201220590678 U CN201220590678 U CN 201220590678U CN 202997364 U CN202997364 U CN 202997364U
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- switch
- chassis vehicle
- grounding
- vehicle
- electrical verification
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Abstract
The utility model relates to a handcart device of an electric switch cabinet, and in particular relates to an electricity testing grounding handcart. The technical scheme is as follows: the electricity testing grounding handcart comprises a chassis car, wherein a car frame is arranged on the chassis car; a grounding switch and a high-voltage sensor are arranged on the car frame; the grounding swith comprises a grounding knife which is contacted with a bus and an electric earthing switch for controlling action of the grounding knife; a connecting bracket is fixed at the other end relative to the end of the electric earthing switch connected with the car frame; an electricity testing contact arm is mounted on the connecting bracket; an electric display is connected at the output end of the high-voltage sensor; and a grounding interlocking mechanism for locking the chassis car after switching on the earthing switch is arranged on the car frame. In comparison with the prior art, the electricity testing grounding handcart integrates functions of electricity testing and grounding, so that operation process is simplified, operation is safe and operation safety is high.
Description
Technical field
The utility model relates to the cart device of cabinet, is specifically related to a kind of electrical verification earth handcart that is applied to the switch cubicle repair and maintenance.
Background technology
During the switch cubicle repair and maintenance, need to be to line and bus bar electrical verification and ground connection, to guarantee maintainer's personal safety.During tradition inspection switch cabinet, first electricity check trolley is shifted onto the service position and carried out electrical verification, again electricity check trolley is withdrawed from after electrical verification is not charged, shift earth handcart onto service position and carry out grounding, to guarantee operating personnel's personal safety; Whole like this operating process operation is loaded down with trivial details, and operation inconvenience makes troubles for whole maintenance process.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of collection electrical verification and grounding function one, the step that simplifies the operation, the electrical verification earth handcart that easy-to-operate and security performance are high.
for achieving the above object, the utility model provides following technical scheme: a kind of electrical verification earth handcart, include chassis vehicle, vehicle frame is installed on chassis vehicle, it is characterized in that: earthed switch and high pressure sensor are installed on described vehicle frame, earthed switch comprises for realizing the earthing that contacts and the electric ground switch of controlling the earthing action with bus, electric ground switch is fixed with connection bracket with respect to the other end that is connected an end with vehicle frame, the electrical verification contact arm is installed on connection bracket, high pressure sensor output is connected with electrification display, the grounding interlocking mechanism that is grounded the rear locking chassis vehicle of switch combined floodgate is set on vehicle frame.
by adopting technique scheme, the collection electrical verification, grounding function is integrated, simplify procedures, simple to operation, observe intuitively charged situation by electrification display, when not charged, the electric ground switch control loop is controlled the earthing combined floodgate ground connection of electric ground switch, grounding interlocking mechanism is grounded the rear locking chassis vehicle of switch combined floodgate, shake to the service position when avoiding earthed switch to be in closing position, the electrification in high voltage short circuit grounding occurs, simultaneously, testing out the high-pressure side when charged, electrification display cuts off the control loop of electric ground switch, avoid charged splice grafting ground, high-pressure side switch.
The utility model further is set to: described grounding interlocking mechanism includes chassis vehicle electromagnet and the chassis vehicle interlock assembly that is arranged on chassis vehicle, the chassis vehicle interlock plate that described interlock assembly includes connecting rod and links with the chassis vehicle handle, the chassis vehicle interlock plate is fixedly connected with connecting rod, and the expansion link of described chassis vehicle electromagnet is grounded the rear locking chassis vehicle of switch combined floodgate with spacing cooperation of connecting rod after earthed switch closes a floodgate.
By adopting technique scheme, after earthed switch closed a floodgate, the expansion link of chassis vehicle electromagnet stretched out, connecting rod is formed spacing, the handle of chassis vehicle can not be rotated by locking, can not operate chassis vehicle, only after grounding switch tripping, the chassis vehicle electromagnetic actuation, after chassis vehicle electromagnet expansion link was retracted, chassis vehicle was removed locking, and handcart just can shake to the service position, shake to work when avoiding earthed switch to be in closing position, the electrification in high voltage short circuit grounding occurs.
the utility model further is set to again: described earthed switch also includes manual ground connection operating mechanism, described manual ground connection operating mechanism includes the operating axis that is connected with earthing, offer on panel respective operations shaft position on vehicle frame for operating grip and insert the handle hole that carries out manual ground connection operation, the handle hole place is provided with the pressing plate of control operation hole open and close, the pressing plate upper end is fixed on vehicle frame by extension spring, end, pressing plate lower end is provided with the spacing electromagnet that presses down the open operation hole at free state lower limit superzapping plate, described electric ground switch and manually be provided with realization chain travel switch between the two between the ground connection operating mechanism, travel switch and pressing plate are connected and realize that pressing plate presses down rear travel switch and cuts off electric ground switch.
By adopting technique scheme, earthed switch adopts electronic ground connection and manual ground connection two cover operating mechanisms, when the need manual operation, first depress pressing plate, travel switch action, excision electric ground switch control loop, electronic can not the operation when realizing manual operation avoided manually and electronic operation simultaneously.
The utility model further is set to again: described electrification display output is connected with buzzer.
By adopting technique scheme, buzzer plays better reminder alarm effect at the charged alarm of bus, avoids misoperation.
Below in conjunction with accompanying drawing, the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment electrical verification earth handcart;
Fig. 2 is the front view of the utility model specific embodiment electrical verification earth handcart;
Fig. 3 is the end view of the utility model specific embodiment electrical verification earth handcart;
Fig. 4 is the structural representation of the utility model specific embodiment grounding interlocking mechanism.
Embodiment
Referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the disclosed a kind of electrical verification earth handcart of the utility model includes chassis vehicle 1, and vehicle frame 10 is installed on chassis vehicle 1, and earthed switch and high pressure sensor are installed on vehicle frame 10; Described earthed switch comprises the earthing 2 that contacts for the bus realization, controls electric ground switch 3 and the manual ground connection operating mechanism of earthing 2 actions; Described electric ground switch 3 is fixed with connection bracket 11 with respect to the other end that is connected an end with vehicle frame 10, and electrical verification contact arm 4 is installed on connection bracket 11; Described high pressure sensor output is connected with electrification display 5, and electrification display 5 outputs are connected with buzzer 6, can get information about the charged situation of bus, and processing safety is high.The grounding interlocking mechanism 9 that is grounded the rear locking chassis vehicle of switch combined floodgate is set on vehicle frame 10; Grounding interlocking mechanism 9 includes chassis vehicle electromagnet 90 and the chassis vehicle interlock assembly that is arranged on chassis vehicle 1, the chassis vehicle interlock plate 92 that described interlock assembly includes connecting rod 93 and links with chassis vehicle 1 handle, chassis vehicle interlock plate 92 is fixedly connected with connecting rod 93, and the expansion link of described chassis vehicle electromagnet 90 is grounded the rear locking chassis vehicle 1 of switch combined floodgate with spacing cooperation of connecting rod 93 after earthed switch closes a floodgate; After earthed switch closes a floodgate, the expansion link of chassis vehicle electromagnet 90 stretches out, and spacing to connecting rod 93 formation, the handle of chassis vehicle 1 can not be rotated by locking, can not operate chassis vehicle 1, only after grounding switch tripping, 90 adhesives of chassis vehicle electromagnet are after chassis vehicle electromagnet 90 expansion links are retracted, chassis vehicle 1 is removed locking, handcart just can shake to the service position, shakes to the service position when avoiding earthed switch to be in closing position, and the electrification in high voltage short circuit grounding occurs.
described electric ground switch 3 is controlled by the ground connection control loop, and manually the ground connection operating mechanism includes the operating axis 7 that is connected with earthing 2, and it realizes being connected by two intermeshing bevel gears 74, offer for operating grip on panel 100 respective operations axle 7 positions on vehicle frame 10 and insert the handle hole 70 that carries out manual ground connection operation, handle hole 70 places are provided with the pressing plate 71 of control operation hole 70 open and close, pressing plate 71 upper ends are fixed on vehicle frame 10 by extension spring 72, pressing plate 71 ends, lower end are provided with the spacing electromagnet 73 that presses down open operation hole 70 at free state lower limit superzapping plate 71, described electric ground switch 3 and manually be provided with realization chain travel switch 8 between the two between the ground connection operating mechanism, travel switch 8 is connected with pressing plate 71 and realizes that pressing plate 71 presses down the control loop that rear travel switch 8 cuts off electric ground switch 3, under free state at ordinary times, 73 pairs of pressing plates of spacing electromagnet 71 carry out spacing, prevent that pressing plate 71 from pressing down, handle hole 70 is blocked by pressing plate 71, manually contact of earth operation is when spacing electromagnet 73 energisings, spacing electromagnet 73 adhesives, releasing is spacing to pressing plate 71, pressing plate can press down, while operational stroke switch 8, and travel switch 8 cuts off the control loop of electric ground switch 3, electronic can not the operation when realizing manual operation like this avoided manually and electronic operation simultaneously.Simultaneously, when handcart is tested out the high-pressure side when charged, electrification display 5 cuts off the electric ground switch control loop and cuts off dead electricity, can not closing operation, the spacing electromagnet 73 of pressing plate 71 belows in manual operation ground connection operating mechanism is dead electricity also, and pressing plate 71 can not press down, earthed switch can not closing by hand, thereby realized testing out when electricity is arranged when the high-pressure side, earthed switch all can not the manual and electric closing operation, has avoided the misoperation of charged splice grafting ground, high-pressure side switch.
For ease of understanding earthing 2 folding conditions, offer transparent observation window 101 on the panel 100 of described vehicle frame 10, by observation window 101, be convenient in time grasp the folding situation of earthing 2.
Claims (5)
1. electrical verification earth handcart, include chassis vehicle, vehicle frame is installed on chassis vehicle, it is characterized in that: earthed switch and high pressure sensor are installed on described vehicle frame, earthed switch comprises for realizing the earthing that contacts and the electric ground switch of controlling the earthing action with bus, electric ground switch is fixed with connection bracket with respect to the other end that is connected an end with vehicle frame, the electrical verification contact arm is installed on connection bracket, high pressure sensor output is connected with electrification display, and the grounding interlocking mechanism that is grounded the rear locking chassis vehicle of switch combined floodgate is set on vehicle frame.
2. electrical verification earth handcart according to claim 1, it is characterized in that: described grounding interlocking mechanism includes chassis vehicle electromagnet and the chassis vehicle interlock assembly that is arranged on chassis vehicle, the chassis vehicle interlock plate that described interlock assembly includes connecting rod and links with the chassis vehicle handle, the chassis vehicle interlock plate is fixedly connected with connecting rod, and the expansion link of described chassis vehicle electromagnet is grounded the rear locking chassis vehicle of switch combined floodgate with spacing cooperation of connecting rod after earthed switch closes a floodgate.
3. electrical verification earth handcart according to claim 1 and 2, it is characterized in that: described earthed switch also includes manual ground connection operating mechanism, described manual ground connection operating mechanism includes the operating axis that is connected with earthing, offer on panel respective operations shaft position on vehicle frame for operating grip and insert the handle hole that carries out manual ground connection operation, the handle hole place is provided with the pressing plate of control operation hole open and close, the pressing plate upper end is fixed on vehicle frame by extension spring, end, pressing plate lower end is provided with the spacing electromagnet that presses down the open operation hole at free state lower limit superzapping plate, described electric ground switch and manually be provided with realization chain travel switch between the two between the ground connection operating mechanism, travel switch and pressing plate are connected and realize that pressing plate presses down rear travel switch and cuts off electric ground switch.
4. electrical verification earth handcart according to claim 1 and 2 is characterized in that: described electrification display output is connected with buzzer.
5. electrical verification earth handcart according to claim 3 is characterized in that: described electrification display output is connected with buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590678 CN202997364U (en) | 2012-11-09 | 2012-11-09 | Electricity testing grounding handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220590678 CN202997364U (en) | 2012-11-09 | 2012-11-09 | Electricity testing grounding handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997364U true CN202997364U (en) | 2013-06-12 |
Family
ID=48568496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220590678 Expired - Fee Related CN202997364U (en) | 2012-11-09 | 2012-11-09 | Electricity testing grounding handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997364U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904578A (en) * | 2014-04-21 | 2014-07-02 | 国网安徽省电力公司淮南供电公司 | Integrated handcart with phase testing function and bus grounding function for high-voltage switch cabinet |
| CN104078867A (en) * | 2014-07-09 | 2014-10-01 | 国家电网公司 | Auxiliary phasing vehicle for 10 KV switch cabinet |
| CN104092135A (en) * | 2014-07-09 | 2014-10-08 | 国家电网公司 | Maintenance protective car for electrified part of 10kV switch cabinet |
| CN104332866A (en) * | 2014-07-29 | 2015-02-04 | 上海宝临电气集团有限公司 | Electricity-detecting/ phase-checking double-purpose handcart |
| CN104466759A (en) * | 2014-12-31 | 2015-03-25 | 宁夏力成电气集团有限公司 | Multifunctional live-part verification trolley used for switch cabinet |
| CN105552769A (en) * | 2014-07-18 | 2016-05-04 | 国家电网公司 | Control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN106451176A (en) * | 2016-08-09 | 2017-02-22 | 国家电网公司 | Grounding handcart non-station interlocking mechanism used for PT cabinet |
| CN107732744A (en) * | 2017-03-24 | 2018-02-23 | 国网甘肃省电力公司兰州供电公司 | A kind of electrical verification earth handcart device |
| CN111952876A (en) * | 2020-07-27 | 2020-11-17 | 国网福建省电力有限公司三明供电公司 | Electricity testing and grounding function integrated handcart device |
| CN112730954A (en) * | 2020-12-22 | 2021-04-30 | 西安西拓电气股份有限公司 | Electricity testing grounding method and system of switch cabinet and electricity testing grounding vehicle |
-
2012
- 2012-11-09 CN CN 201220590678 patent/CN202997364U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904578A (en) * | 2014-04-21 | 2014-07-02 | 国网安徽省电力公司淮南供电公司 | Integrated handcart with phase testing function and bus grounding function for high-voltage switch cabinet |
| CN104078867A (en) * | 2014-07-09 | 2014-10-01 | 国家电网公司 | Auxiliary phasing vehicle for 10 KV switch cabinet |
| CN104092135A (en) * | 2014-07-09 | 2014-10-08 | 国家电网公司 | Maintenance protective car for electrified part of 10kV switch cabinet |
| CN105552769A (en) * | 2014-07-18 | 2016-05-04 | 国家电网公司 | Control circuit for multifunctional electricity-verification and grounding trolley for centrally installed switchgear |
| CN104332866A (en) * | 2014-07-29 | 2015-02-04 | 上海宝临电气集团有限公司 | Electricity-detecting/ phase-checking double-purpose handcart |
| CN104332866B (en) * | 2014-07-29 | 2017-02-15 | 上海宝临电气集团有限公司 | Electricity-detecting/ phase-checking double-purpose handcart |
| CN104466759A (en) * | 2014-12-31 | 2015-03-25 | 宁夏力成电气集团有限公司 | Multifunctional live-part verification trolley used for switch cabinet |
| CN106451176A (en) * | 2016-08-09 | 2017-02-22 | 国家电网公司 | Grounding handcart non-station interlocking mechanism used for PT cabinet |
| CN107732744A (en) * | 2017-03-24 | 2018-02-23 | 国网甘肃省电力公司兰州供电公司 | A kind of electrical verification earth handcart device |
| CN111952876A (en) * | 2020-07-27 | 2020-11-17 | 国网福建省电力有限公司三明供电公司 | Electricity testing and grounding function integrated handcart device |
| CN112730954A (en) * | 2020-12-22 | 2021-04-30 | 西安西拓电气股份有限公司 | Electricity testing grounding method and system of switch cabinet and electricity testing grounding vehicle |
| CN112730954B (en) * | 2020-12-22 | 2024-03-12 | 西安西拓电气股份有限公司 | Electricity testing grounding method and system of switch cabinet and electricity testing grounding vehicle |
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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: 20130612 Termination date: 20211109 |