CN201699161U - Contact-type ground bar - Google Patents

Contact-type ground bar Download PDF

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Publication number
CN201699161U
CN201699161U CN2010202044336U CN201020204433U CN201699161U CN 201699161 U CN201699161 U CN 201699161U CN 2010202044336 U CN2010202044336 U CN 2010202044336U CN 201020204433 U CN201020204433 U CN 201020204433U CN 201699161 U CN201699161 U CN 201699161U
Authority
CN
China
Prior art keywords
contact
bus
stub
utility
fixed contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010202044336U
Other languages
Chinese (zh)
Inventor
陈钦亮
陈文军
王凤梅
赵建
赵欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Wanli Longbo Electrical Co., Ltd.
Original Assignee
ANHUI LONGPO ELECTRICAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI LONGPO ELECTRICAL Co Ltd filed Critical ANHUI LONGPO ELECTRICAL Co Ltd
Priority to CN2010202044336U priority Critical patent/CN201699161U/en
Application granted granted Critical
Publication of CN201699161U publication Critical patent/CN201699161U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a contact-type ground bar, which comprise a stub, a contact, an insulating rod and a ground wire one end of which is connected with the stub. One end of the stub is provided with the contact and the other end thereof is connected with one end of the insulating rod. The contact fits the fixed contact of a breaker chamber. Because a bus in a bus chamber is connected with the fixed contact of the breaker chamber and the contact of the ground bar fits the fixed contact, when work staff overhaul or maintain a high voltage cabinet, the contact can be directly connected with the fixed contact, the ground wire is connected with a ground net and consequently the bus is indirectly grounded. Therefore, when the ground bar provided by the utility model is used for grounding the bus, the work efficiency of ground operation is improved and the insulating layer of the bus can not be damaged.

Description

A kind of contact type earth rod
Technical field
The utility model relates to high-tension electricity accessory field, in particular, relates to a kind of contact type earth rod.
Background technology
High voltage switchgear also is high-voltage board, be meant voltage 3kV and more than, the indoor and outdoor AC switchgear that moves in frequency 50Hz and the following electric power system.Be mainly used in the electric power system control and the protection of (comprising users such as power plant, transformer station, electric line and industrial and mining enterprises); both can be according to the operation of power networks needs with a part of power equipment or circuit input or out of service; also can when power equipment or line failure, faulty component be excised fast from electrical network, thereby guarantee the normal operation of fault-free part in the electrical network and equipment, maintenance personal's safety.
High-voltage board comprises bus-bar room, cable vault and breaker chamber, generally, when the staff overhauls high-voltage board or safeguards, needs earlier the bus in the bus-bar room to be passed through earth clip ground connection, so really protection staff's safety.But, because the degree of protection height of high-voltage board is made so bus-bar room is a totally enclosed type, cause the staff need pull down the insulating barrier of shrouding, dividing plate and the bus of bus-bar room, earth clip could be clamped on the bus.Therefore, adopt existing earth clip to carry out the ground connection operation, not only can lose time, reduce operating efficiency, and the insulating barrier of bus also can be destroyed.
The utility model content
In view of this, the utility model provides a kind of contact type earth rod, in carrying out the ground connection operating process, not only can increase work efficiency, and the insulating barrier of bus can not destroyed yet.
The utility model embodiment is achieved in that
A kind of contact type earth rod comprises the earth connection that stub, contact, insulating bar and an end are connected with described stub;
One end of described stub is provided with described contact, and the other end is connected with an end of described insulating bar;
The fixed contact of described contact and breaker chamber is suitable.
Preferably, in above-mentioned contact type earth rod, also comprise knuckle;
The other end of described stub is connected to described insulating bar by described knuckle ball pivot.
Preferably, in above-mentioned contact type earth rod, also comprise the rubber handle;
The other end of described insulating bar is provided with described rubber handle.
Preferably, in above-mentioned contact type earth rod, also comprise earth electrode;
The other end of described earth connection is connected with described ground connection connecing.
Preferably, in above-mentioned contact type earth rod, described contact is provided with spring;
When described contact was connected with described fixed contact, described spring produced elastic deformation.
Compared with prior art, the technical scheme that provides of the utility model embodiment has the following advantages and characteristics:
Because the bus in the bus-bar room is connected with the fixed contact of breaker chamber, and the contact and the fixed contact of the earth rod that the utility model provides are suitable, so when when the staff overhauls high-voltage board or safeguards, can directly contact be connected on the fixed contact, again earth connection is connected with ground network, thus can be indirect make busbar grounding.Therefore, when the earth rod that uses the utility model to provide makes busbar grounding, not only can improve the operating efficiency of ground connection operation, and the insulating barrier of bus can not destroyed yet.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional view of contact type earth rod provided by the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of contact type earth rod, comprises earth connection and insulating bar that stub, contact, an end are connected with described stub; One end of described stub is provided with described contact, and the other end is connected with an end of described insulating bar; The fixed contact of described contact and breaker chamber is suitable.In carrying out the ground connection operating process, above-mentioned contact type earth rod not only can be increased work efficiency, and the insulating barrier of bus can not destroyed yet.Because there is multiple mode in the specific implementation of above-mentioned contact type earth rod, is elaborated below by specific embodiment:
It is described to see also Fig. 1, and a kind of contact type earth rod comprises the earth connection 4 that stub 2, contact 1, insulating bar 5 and an end are connected with described stub 2; One end of described stub 2 is provided with described contact 1, and the other end is connected with an end of described insulating bar 5; Described contact 1 is suitable with the fixed contact of breaker chamber.High-voltage board comprises bus-bar room, breaker chamber and cable vault, and wherein, the bus in the bus-bar room is connected with the fixed contact of breaker chamber, so as long as fixed contact is carried out the ground connection operation, also just be equivalent to bus is carried out the ground connection operation.And the contact and the fixed contact of the earth rod that provides of the utility model are suitable, so when when the staff overhauls high-voltage board or safeguards, can directly contact be connected on the fixed contact, again earth connection be connected with ground network, thus can be indirect make busbar grounding.Therefore, when the earth rod that uses the utility model to provide makes busbar grounding, not only can improve the operating efficiency of ground connection operation, and the insulating barrier of bus can not destroyed yet.
In the above-described embodiments, also comprise knuckle 3; The other end of described stub 2 is connected to described insulating bar 5 by described knuckle 3 ball pivots.When the staff is connected to contact 1 on the fixed contact, because contact 1 is suitable with fixed contact, so contact 1 is equivalent to be fixed on the fixed contact, as long as the staff is careless slightly at work, firmly run into earth rod, will cause contact 1 to damage easily, perhaps can make earth rod disengage head, thereby can't guarantee staff's safety with miscellaneous part with earth rod.For this reason, between stub 2 and insulating bar 5, knuckle 3 is set, so that stub 2 ball pivots are connected to insulating bar 5, even the staff has firmly run into earth rod at work unintentionally, the contact 1 or the miscellaneous part of earth rod can not be damaged yet, 5 of insulating bars can be pushed on one side, and contact 1 is still keeping original state that is connected with fixed contact, perhaps the staff can contact 1 with on fixed contact is connected after, directly insulating bar 5 is adjusted to predetermined angle, directly avoids the staff to touch earth rod at work.
In the above-described embodiments, in order better to guarantee staff's safety, on earth rod, rubber handle 6 can also be set; The other end of described insulating bar 5 is provided with described rubber handle 6.And, earth electrode 7 can also be set on earth rod for earth rod is connected with ground network on the high-voltage board; The other end of described earth connection 4 connects 7 with described ground connection and is connected.
In addition, existing earth clip existence contacts unstable problem with bus, because the retained part and the bus of earth clip are not suitable structure, so occur being clamped in the situation that the earth clip on the bus comes off easily.At above-mentioned situation, the described contact 1 of the embodiment that the utility model provides is provided with spring; When described contact 1 was connected with described fixed contact, described spring produced elastic deformation, and at this moment, spring can be given 1 one restoring forces of contact so that contact 1 closely with fixed contact interlock mutually, the situation of avoiding contact 1 and fixed contact generation to come off naturally.Because spring is arranged on and has multiple way of realization on the contact 1; for example spring can be arranged on the periphery of contact 1; so that behind fixed contact insertion contact 1 inside; can push the spring of contact 1 periphery; so that spring generation elastic deformation; spring can be given 1 one opposite forces of contact; so that contact 1 be connected with fixed contact more closely, firmly; so do not do concrete qualification in this position that spring is arranged on the contact 1, as long as the various ways of realization that satisfy above-mentioned operation principle are all in protection range of the present utility model.
Need to prove that embodiment shown in Figure 1 is the preferred embodiment that the utility model is introduced, those skilled in the art can design more embodiment on this basis fully, therefore do not give unnecessary details herein.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (5)

1. a contact type earth rod is characterized in that, comprises the earth connection that stub, contact, insulating bar and an end are connected with described stub;
One end of described stub is provided with described contact, and the other end is connected with an end of described insulating bar;
The fixed contact of described contact and breaker chamber is suitable.
2. contact type earth rod according to claim 1 is characterized in that, also comprises knuckle;
The other end of described stub is connected to described insulating bar by described knuckle ball pivot.
3. contact type earth rod according to claim 1 is characterized in that, also comprises the rubber handle;
The other end of described insulating bar is provided with described rubber handle.
4. contact type earth rod according to claim 1 is characterized in that, also comprises earth electrode;
The other end of described earth connection is connected with described ground connection connecing.
5. contact type earth rod according to claim 1 is characterized in that described contact is provided with spring;
When described contact was connected with described fixed contact, described spring produced elastic deformation.
CN2010202044336U 2010-05-25 2010-05-25 Contact-type ground bar Expired - Fee Related CN201699161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202044336U CN201699161U (en) 2010-05-25 2010-05-25 Contact-type ground bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202044336U CN201699161U (en) 2010-05-25 2010-05-25 Contact-type ground bar

Publications (1)

Publication Number Publication Date
CN201699161U true CN201699161U (en) 2011-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202044336U Expired - Fee Related CN201699161U (en) 2010-05-25 2010-05-25 Contact-type ground bar

Country Status (1)

Country Link
CN (1) CN201699161U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066499A (en) * 2013-01-28 2013-04-24 江苏省电力公司苏州供电公司 Universal ground wire movable contact for 10KV switch cabinet bus
CN103247951A (en) * 2013-04-18 2013-08-14 国家电网公司 Dedicated earth connection for centrally installed switchgear generatrix maintenance
CN103944094A (en) * 2014-05-14 2014-07-23 国家电网公司 10-kV handcart switch cabinet bus fixed contact ground method and special grounding device thereof
CN105552597A (en) * 2016-02-17 2016-05-04 国网河南禹州市供电公司 Clamping type grounding rod
CN108718010A (en) * 2018-05-23 2018-10-30 陈乐昆 A kind of earthed system
CN112003037A (en) * 2020-07-13 2020-11-27 深圳供电局有限公司 Switch grounding device in cabinet

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066499A (en) * 2013-01-28 2013-04-24 江苏省电力公司苏州供电公司 Universal ground wire movable contact for 10KV switch cabinet bus
CN103066499B (en) * 2013-01-28 2015-04-08 江苏省电力公司苏州供电公司 Universal ground wire movable contact for 10KV switch cabinet bus
CN103247951A (en) * 2013-04-18 2013-08-14 国家电网公司 Dedicated earth connection for centrally installed switchgear generatrix maintenance
CN103944094A (en) * 2014-05-14 2014-07-23 国家电网公司 10-kV handcart switch cabinet bus fixed contact ground method and special grounding device thereof
CN105552597A (en) * 2016-02-17 2016-05-04 国网河南禹州市供电公司 Clamping type grounding rod
CN108718010A (en) * 2018-05-23 2018-10-30 陈乐昆 A kind of earthed system
CN112003037A (en) * 2020-07-13 2020-11-27 深圳供电局有限公司 Switch grounding device in cabinet

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HUAIBEI WANLI LONGBO ELECTRIC CO., LTD.

Free format text: FORMER OWNER: ANHUI LONGPO ELECTRICAL CO., LTD.

Effective date: 20140616

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20140616

Address after: 235000 No. 156 Huaihai East Road, Longhu Industrial Park, Huaibei Economic Development Zone, Anhui, China

Patentee after: Hubei Wanli Longbo Electrical Co., Ltd.

Address before: 235000 Anhui city of Huaibei Province Economic and Technological Development Zone Longhu Industrial Park No. 86 Zhang Xu

Patentee before: Anhui Longpo Electrical Co., Ltd.

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: 20110105

Termination date: 20160525