CN101764364B - 10kV indoor metal armoring draw out switchgear check trolley - Google Patents
10kV indoor metal armoring draw out switchgear check trolley Download PDFInfo
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- CN101764364B CN101764364B CN2010101140307A CN201010114030A CN101764364B CN 101764364 B CN101764364 B CN 101764364B CN 2010101140307 A CN2010101140307 A CN 2010101140307A CN 201010114030 A CN201010114030 A CN 201010114030A CN 101764364 B CN101764364 B CN 101764364B
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- contact
- measuring stick
- baffle plate
- draw out
- insulation barrier
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Abstract
The invention discloses a10kV indoor metal armoring draw out switchgear check trolley, which comprises a chassis, wherein the chassis is provided with a frame, the frame is provided with an observation window, and the back side of the frame is provided with a mimic-disconnecting switch; the mimic-disconnecting switch is provided with a contact arm; the end of the contact are is provided with a contact, and the contact arm is internally provided with a measuring rod; the contact is internally provided with an insulating baffle plate; one end of the measuring rod is fixedly connected with the insulating baffle plate; the insulating baffle plate can move in the contact; when the insulating baffle plate moves in the contact, the other end of the measuring rod can extend out of the panel of the trolley, and the length of the measuring rod extending out of the trolley is the same as the distance of the insulating baffle plate moving in the contact. With the invention, the opening and closing condition of the valve can be directly observed, and the condition of whether the primary contact is normally inserted to contact or not can be correctly and visually judged, thus preventing the short-circuit accident caused by the non-fully opening of the valve and the severe heating accident caused by poor contact of the contact during the normal operation.
Description
Technical field
The present invention relates to a kind of inspection dolly of power equipment, particularly a kind of 10kV indoor metal armoring draw out switchgear check trolley.
Background technology
Existing 10kV indoor metal armoring draw out switchgear only relies on operating personnel to estimate when one-time contact inserts inspection, can not differentiate the degree of depth of one-time contact insertion and the valve behind the circuit breaker dolly entering service position exactly and open situation.Only rely on operating personnel to estimate easy erroneous judgement the by accident; When valve is opened not exclusively or contact inserts under the inadequate situation of contact; If breaker closing operation; Cause major accidents such as the serious heating of short circuit or equipment easily, for this reason, the applicant has developed a kind of 10kV indoor metal armoring draw out switchgear check trolley; Unlatching and closed condition and the one-time contact that can observe directly valve through this inspection dolly insert contact condition, open the short circuit accident that not exclusively causes or insert the insufficient seriously heating accident of equipment that causes of contact because of one-time contact because of valve to prevent in course of normal operation, to take place.
Summary of the invention
In order to overcome the deficiency of prior art; The present invention provides a kind of 10kV indoor metal armoring draw out switchgear check trolley; Can see directly that through this inspection dolly the valve of circuit breaker after getting into the service position opened situation and one-time contact inserts situation, to prevent that the 10kV indoor metal armoring draw out switchgear from taking place to open the short circuit accident that not exclusively causes or insert insufficient seriously heating accident of equipment that causes that contacts because of one-time contact because of valve in course of normal operation.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of 10kV indoor metal armoring draw out switchgear check trolley is characterized in that it comprises chassis, and framework is installed on the chassis, and said framework is provided with observation window, and the rear side of framework is equipped with mimic-disconnecting switch; Contact arm is installed on the mimic-disconnecting switch, and the end of contact arm is equipped with contact, in the said contact arm measuring stick is installed; Insulation barrier is installed in the contact; One end of measuring stick is fixedly connected with insulation barrier, and this insulation barrier can move in contact, when insulation barrier moves in contact; The other end of measuring stick may extend to outside the dolly panel, and the length that measuring stick extends to outside the dolly panel is identical with the distance of insulation barrier in contact moves.
As the improvement of technique scheme of the present invention, be set with back-moving spring on the said measuring stick, be positioned on the measuring stick of contact and be set with backboard, an end of said back-moving spring is resisted against on the insulation barrier, and the other end is resisted against on the backboard.
As the further improvement of technique scheme of the present invention, said measuring stick is provided with the length scale.
Further improvement as technique scheme of the present invention is equipped with the aviation socket on the said mimic-disconnecting switch.
The invention has the beneficial effects as follows: based on said structure; The present invention can replace the circuit breaker dolly of actual motion; And observe directly the unlatching and the closed condition of valve through observation window; Whether normally open through observation and inspection dolly metal dampers baffle plate in being pushed into the process of service position and to put in place, thereby whether the contact arm of judging the circuit breaker dolly is in operation valve is produced discharge or contact and causes short circuit accident; Extend to the outer length of dolly panel through measuring stick and differentiate whether normally insertion contact of one-time contact accurately, intuitively, thereby prevent that one-time contact is because of seriously heating accident of loose contact generation equipment; And because measuring stick is provided with the length scale; The inspection dolly is after propelling; The insulating bar of band scale stretches out inspection dolly panel, through the scale on the insulating bar extension of band scale, can read the degree of depth that one-time contact inserts exactly; Thereby prevent the degree of depth that the erroneous judgement one-time contact inserts, guarantee that one-time contact inserts fully contact.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a front view of the present invention;
Fig. 2 be Fig. 1 band broken section left view;
Fig. 3 is the local enlarged diagram among Fig. 2.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of 10kV indoor metal armoring draw out switchgear check trolley disclosed by the invention comprises chassis 1, and framework 2 is installed on the chassis 1, and framework 2 is provided with observation window 3, and the rear side of framework 2 is equipped with mimic-disconnecting switch 4; Contact arm 5 is installed on the mimic-disconnecting switch 4, and the end of contact arm 5 is equipped with contact 6, and the chassis structure that the present invention adopts is consistent with the circuit breaker dolly chassis structure of actual motion.
Mimic-disconnecting switch of the present invention is identical with the structure of actual circuit breaker, and this
The circuit breaker dolly of bright structure, size and installation site and actual motion is in full accord; The present invention can replace the circuit breaker dolly of actual motion to observe the unlatching and the closed condition of valve like this; Whether normally open through observation and inspection dolly metal dampers baffle plate in being pushed into the process of service position and to put in place, thereby whether the contact arm of judging the circuit breaker dolly is in operation valve is produced discharge or contact and causes short circuit accident.
With reference to Fig. 2, Fig. 3, measuring stick 7 is installed in contact arm 5, insulation barrier 8 is installed in the contact 6; Wherein an end of measuring stick 7 is fixedly connected with insulation barrier 8, on measuring stick, is set with back-moving spring 9, is positioned on the measuring stick 7 of contact 6 to be set with backboard 10; One end of back-moving spring 9 is resisted against on the insulation barrier 8; The other end is resisted against on the backboard 10, and this insulation barrier 8 can move in contact 6, when insulation barrier 8 moves in contact 6; The other end of measuring stick 7 may extend to outside the dolly panel, and the length that measuring stick 7 extends to outside the dolly panel is identical with the distance that insulation barrier 8 moves in contact 6.
After the inspection dolly pushes the service position; Contact on the inspection dolly and the contacts mates in the switchgear; Insulation barrier receives to move in the contact of roof pressure on the inspection dolly of contact in the switchgear; One end of measuring stick is extended to outside the panel of inspection dolly, extend to the outer length of dolly panel through the observation measuring stick and differentiate whether normally insertion contact of one-time contact accurately, intuitively, thereby prevent that one-time contact is because of seriously heating accident of loose contact generation equipment.Extract inspection dolly of the present invention after inspection finishes out, insulation barrier resets under the effect of back-moving spring, drives measuring stick and bounces back in the inspection dolly.
Measuring stick is provided with length scale (not shown); The inspection dolly is after propelling; The insulating bar of band scale stretches out inspection dolly panel, through the scale on the insulating bar extension of observation band scale, reads the degree of depth that one-time contact inserts exactly; Thereby prevent the degree of depth that the erroneous judgement one-time contact inserts, guarantee that one-time contact inserts fully contact.
The above is merely preferred embodiment of the present invention, can not limit protection scope of the present invention with it.So long as the equalization of doing according to protection scope of the present invention changes and modify, all should still belong in the scope that the present invention contains.
Claims (4)
1. a 10kV indoor metal armoring draw out switchgear check trolley is characterized in that it comprises chassis, and framework is installed on the chassis, and said framework is provided with observation window, and the rear side of framework is equipped with mimic-disconnecting switch; Contact arm is installed on the mimic-disconnecting switch, and the end of contact arm is equipped with contact, in the said contact arm measuring stick is installed; Insulation barrier is installed in the contact; One end of measuring stick is fixedly connected with insulation barrier, and this insulation barrier can move in contact, when insulation barrier moves in contact; The other end of measuring stick may extend to outside the dolly panel, and the length that measuring stick extends to outside the dolly panel is identical with the distance that insulation barrier moves in contact.
2. a kind of 10kV indoor metal armoring draw out switchgear check trolley according to claim 1; It is characterized in that being set with back-moving spring on the said measuring stick; Be positioned on the measuring stick of contact and be set with backboard; One end of said back-moving spring is resisted against on the insulation barrier, and the other end is resisted against on the backboard.
3. a kind of 10kV indoor metal armoring draw out switchgear check trolley according to claim 1 and 2 is characterized in that said measuring stick is provided with the length scale.
4. a kind of 10kV indoor metal armoring draw out switchgear check trolley according to claim 1 and 2 is characterized in that being equipped with on the said mimic-disconnecting switch aviation socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101140307A CN101764364B (en) | 2010-01-22 | 2010-01-22 | 10kV indoor metal armoring draw out switchgear check trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101140307A CN101764364B (en) | 2010-01-22 | 2010-01-22 | 10kV indoor metal armoring draw out switchgear check trolley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101764364A CN101764364A (en) | 2010-06-30 |
| CN101764364B true CN101764364B (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101140307A Expired - Fee Related CN101764364B (en) | 2010-01-22 | 2010-01-22 | 10kV indoor metal armoring draw out switchgear check trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101764364B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427352B (en) * | 2012-05-18 | 2016-12-14 | 伊顿电力设备有限公司 | Static contact of power distribution cabinet installation, verifying attachment and method |
| CN105590552B (en) * | 2016-03-09 | 2019-02-01 | 国网天津市电力公司 | A kind of small truck position gag lever post knowledge plate |
| CN106374378A (en) * | 2016-10-31 | 2017-02-01 | 杭州恒信电气有限公司 | Centrally installed switchgear test handcart |
| GB2585220A (en) * | 2019-07-03 | 2021-01-06 | Eaton Intelligent Power Ltd | Protection system with a switchgear and a slide-in unit and method of inserting the slide-in unit into the switchgear |
| CN113513962A (en) * | 2021-04-19 | 2021-10-19 | 河南平高通用电气有限公司 | Movable and static contact meshing distance measuring handcart for switch cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369510Y (en) * | 2009-03-13 | 2009-12-23 | 汕头市正兴开关有限公司 | Switch cabinet valve detection trolley |
| CN201369511Y (en) * | 2009-03-13 | 2009-12-23 | 汕头市正兴开关有限公司 | Switch cabinet valve detection trolley provided with illuminating device |
| CN201368727Y (en) * | 2009-03-11 | 2009-12-23 | 上海南华兰陵电气有限公司 | Video detecting vehicle for intermediate drawable switchgear circuit breaker chamber |
| CN201623389U (en) * | 2010-01-22 | 2010-11-03 | 广东天富电气有限公司 | Checking trolley for 10kV indoor metal-clad draw-out switch equipment |
-
2010
- 2010-01-22 CN CN2010101140307A patent/CN101764364B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201368727Y (en) * | 2009-03-11 | 2009-12-23 | 上海南华兰陵电气有限公司 | Video detecting vehicle for intermediate drawable switchgear circuit breaker chamber |
| CN201369510Y (en) * | 2009-03-13 | 2009-12-23 | 汕头市正兴开关有限公司 | Switch cabinet valve detection trolley |
| CN201369511Y (en) * | 2009-03-13 | 2009-12-23 | 汕头市正兴开关有限公司 | Switch cabinet valve detection trolley provided with illuminating device |
| CN201623389U (en) * | 2010-01-22 | 2010-11-03 | 广东天富电气有限公司 | Checking trolley for 10kV indoor metal-clad draw-out switch equipment |
Non-Patent Citations (1)
| Title |
|---|
| JP平6-276624A 1994.09.30 |
Also Published As
| Publication number | Publication date |
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| CN101764364A (en) | 2010-06-30 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TECCO ELECTRIC CO., LTD. Free format text: FORMER NAME: GUANGDONG TIANFU ELECTRIC GROUP CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 528437 B building, No. 53 West Jiangling Road, torch hi tech Development Zone, Guangdong, Zhongshan Patentee after: GUANGDONG TECCO ELECTRIC CO., LTD. Address before: 528437 B building, No. 53 West Jiangling Road, torch hi tech Development Zone, Guangdong, Zhongshan Patentee before: Guangdong Tenfo Electrical Group Co., Ltd. |
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| 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: 20120704 Termination date: 20180122 |