CN202308850U - Switch overhaul vehicle - Google Patents
Switch overhaul vehicle Download PDFInfo
- Publication number
- CN202308850U CN202308850U CN2011203825690U CN201120382569U CN202308850U CN 202308850 U CN202308850 U CN 202308850U CN 2011203825690 U CN2011203825690 U CN 2011203825690U CN 201120382569 U CN201120382569 U CN 201120382569U CN 202308850 U CN202308850 U CN 202308850U
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- China
- Prior art keywords
- contact
- plate
- switchgear
- contact arm
- valve
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- 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 - Lifetime
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a switch overhaul vehicle which is characterized by comprising a chassis vehicle, wherein a welding base plate is arranged on the chassis vehicle; an interlocking plate, a mounting plate, a supporting frame and a valve push plate are arranged on the welding base plate; the mounting plate is connected with the supporting frame; the mounting plate is provided with a contact arm; and the front end of the contact arm is provided with a matching contact. The switch overhaul vehicle provided by the utility model can improve the mounting precision of the static contact of a switch and achieve the detection to the operation status of a valve interlocking mechanism.
Description
Technical field
The utility model relates to a kind of tool car of switchgear, is used to solve switchgear reliability of products and fail safe when manufacturing and safeguarding, belongs to power transmission and distribution switchgear technical field.
Background technology
In power transmission and transformation system; Switchgear is wherein important part; In electric power system, realizing the conveying and the distribution of electric energy; And the accuracy of manufacture of switchgear and mechanical endurance also are considerable links, and the convenience of maintenance and operability directly influence normal, safe, the reliably operation of equipment in system.
Because the armored withdraw type ac metal closing switch gear adopts the middle breaker structure, this switchgear operation is simple, and is easy to maintenance, in industry 10KV system, becomes leading products.Along with the accuracy of manufacture, product quality of fit, the reliability of mechanism's interlocking and the convenience of maintenance of the increase user switching devices of product consumption are more and more paid attention to, the interlocking situation of the quality of fit of circuit breaker and switch cubicle and mechanism particularly.Because circuit breaker cart cooperates with switch cubicle and the interlocking situation is in the switch cubicle inside of sealing, the reliability and the valve interlocking device kinematic dexterity of dynamic/static contact cooperation can't Direct observation.Because it is not in place that dynamic/static contact cooperates, cause that easily the switch cubicle heating burns after excessive; And since after the valve mechanism generation stuck phenomenon valve plate directly drop and burn after causing the switchgear three-phase shortcircuit.
Solution commonly used: 1) the cooperation aspect of dynamic/static contact: coating black conductive paste on the circuit breaker cart moving contact; After circuit breaker cart shakes the service position, on fixed contact, stay black conductive paste, after circuit breaker cart withdraws from switch cubicle, observed the quality quality of black conductive paste judgement product on the fixed contact.2) the reliability aspect of valve interlocking device: whether circuit breaker repeatedly shaken into shake out operation, observing has mechanism's stuck phenomenon to judge the quality quality of product.There is certain defective in this scheme on production and user's operability.Like the cooperation aspect of dynamic/static contact 1): because moving contact of breaker scope of activities big (can in rotation in the ± 8mm scope); And the installation site precision of switch cubicle fixed contact must reach ± 3mm; So precision exceeds when the installation site of switch cubicle fixed contact ± and during 3mm, dynamic/static contact still can cooperate, and coating black conductive paste scheme can't directly be judged the accuracy of manufacture of switch cubicle; Actual is not fine owing to the dynamic/static contact cooperation is in askew contact situation; Cause heating serious behind the long-play easily, insulating part is aging to be accelerated, even causes accident.2) the reliability aspect of valve interlocking device: into shake out operation owing to only repeatedly shake to circuit breaker; Simultaneously again can't Direct observation; Can't judge the quality quality of product intuitively, actual because switch cubicle side plate, the accuracy of manufacture of valve mechanism and the symmetry of installation cause about valve mechanism movable inconsistent easily; Cause valve mechanism stuck easily after long-time the use, even cause electric discharge phenomena or circuit breaker contact arm three-phase shortcircuit accident owing to valve plate drops.
Summary of the invention
The purpose of the utility model provides a kind of tool car of switchgear, with installation accuracy that improves the switchgear fixed contact and the detection that realizes valve interlocking device motion conditions.
In order to achieve the above object, the utility model provides a kind of tool car of switchgear, it is characterized in that; Comprise chassis; Chassis is provided with the welding base plate, and the welding base plate is provided with interlock plate, mounting panel, bracing frame and valve push pedal, and mounting panel connects bracing frame; Mounting panel is provided with contact arm, and the front end of contact arm is provided with the cooperation contact.
Preferably, the upside of described contact arm or downside are provided with location-plate.
Preferably, the outside of described bracing frame is provided with the implosion guard access panel.
Compared with prior art, the utlity model has following beneficial effect:
1, can improve the installation accuracy of switchgear fixed contact and the detection that realizes valve interlocking device motion conditions;
2, simple to operation, adopt same transhipment, forward operation mode with circuit breaker cart, make things convenient for user's field measurement; In time change impaired parts; Guarantee long playing reliability of product and fail safe, improve the product quality of manufacturer, reduce the incidence of field accident.
3, through check dolly the place ahead implosion guard, can estimate dynamic/static contact and cooperate, and the propelling situation of valve mechanism, it is directly perceived to detect data; And, solve hidden danger because but visual examination makes things convenient for manufacturer to pinpoint the problems in advance;
4, cooperating contact and contact arm all is to be processed by insulating rod, and sight glass adopts implosion guard safe in utilization.
Description of drawings
Fig. 1 is the tool car front view of switchgear;
Fig. 2 is the tool car end view of switchgear.
Embodiment
Specify the utility model below in conjunction with embodiment.
Embodiment
As shown in Figure 1; Tool car front view for switchgear; Fig. 2 is its end view, and the tool car of described switchgear is made up of chassis 1, welding base plate 2, valve push pedal 3, location-plate 4, contact arm 5, cooperation contact 6, mounting panel 7, bracing frame 8, interlock plate 9 and implosion guard access panel 10.Chassis 1 is provided with welding base plate 1, and welding base plate 1 is provided with interlock plate 9, mounting panel 7, bracing frame 8 and valve push pedal 3, and mounting panel 7 connects bracing frame 8, and mounting panel 7 is provided with contact arm 5, and the front end of contact arm 5 is provided with and cooperates contact 6.Described contact arm 5 is provided with location-plate 4.The outside of described bracing frame 8 is provided with implosion guard access panel 10.
Said chassis 1 is used to control the turnover operation of tool car; Welding base plate 2 is used to strengthen tool car, keeps the quiet run of tool car; Valve push pedal 3 promotes valve interlocking device, is used to open valve; Location-plate 4 mimic-disconnecting switch handcart contact arm sheaths can not obstruct the view owing to adopt flat board to be modeled as the contacts mates situation of conveniently watching what is going on, thus valve simulation around contact arm 5 upper and lowers do not need separately simultaneously, as long as the both sides simulation; Contact arm 5 is used for supporting cooperation contact 6; Cooperate contact 6 to simulate the moving contacts size, but cooperate contact 6 stiff, its internal diameter is pressed the fixed contact size maximum allowance design is installed, and when the switch cubicle fixed contact can't get into cooperation contact 6 endoporus, product was defective, requires to readjust switchgear; Mounting panel 7 is contact arm 5 mounting panels; Bracing frame 8 is used for supporting and adding powerful; Interlock plate 9 is used to open switch cubicle secondary aviation socket with circuit breaker cart secondary aviation support interlock plate; Implosion guard access panel 10 is transparent glass structures, can be through implosion guard access panel 10 the watch what is going on mated condition of contact and the active situation of valve mechanism, judge that product quality confirms whether product is qualified.Location-plate 4, contact arm 5, cooperation contact 6 adopt the SMC insulating material simultaneously, and implosion guard access panel 10 adopts implosion guards, guarantees the fail safe of hot line job.
From the above; The tool car structure of the utility model switchgear is a mimic-disconnecting switch handcart structure; Chassis 1 is equal to the chassis of circuit breaker cart; Valve push pedal 3 is equal to the valve push pedal of circuit breaker cart, location-plate 4 mimic-disconnecting switch handcart contact arm sheaths, cooperation contact 6 simulation moving contacts sizes.The utility model can be used for detecting mated condition and the active situation of valve mechanism of the dynamic/static contact of all switchgears; And can reuse; It is on-the-spot owing to the checkout gear that mechanism behind the long-play wears out or operation is out of shape, the generation of the accident that prevents of in time pinpointing the problems and deal with problems to can be used for the user simultaneously.
Claims (3)
1. the tool car of a switchgear; It is characterized in that, comprise chassis (1), chassis (1) is provided with welding base plate (1); Welding base plate (1) is provided with interlock plate (9), mounting panel (7), bracing frame (8) and valve push pedal (3); Mounting panel (7) connects bracing frame (8), and mounting panel (7) is provided with contact arm (5), and the front end of contact arm (5) is provided with and cooperates contact (6).
2. the tool car of switchgear as claimed in claim 1 is characterized in that, the upside of described contact arm (5) or downside are provided with location-plate (4).
3. the tool car of switchgear as claimed in claim 1 is characterized in that, the outside of described bracing frame (8) is provided with implosion guard access panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203825690U CN202308850U (en) | 2011-10-10 | 2011-10-10 | Switch overhaul vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203825690U CN202308850U (en) | 2011-10-10 | 2011-10-10 | Switch overhaul vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308850U true CN202308850U (en) | 2012-07-04 |
Family
ID=46377664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203825690U Expired - Lifetime CN202308850U (en) | 2011-10-10 | 2011-10-10 | Switch overhaul vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269762A (en) * | 2014-10-20 | 2015-01-07 | 国家电网公司 | Safe tool for axuilairily overhauling 10kV switch cabinet and use method thereof |
| CN111200253A (en) * | 2019-12-12 | 2020-05-26 | 河南平高通用电气有限公司 | Cubical switchboard inspection handcart |
-
2011
- 2011-10-10 CN CN2011203825690U patent/CN202308850U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269762A (en) * | 2014-10-20 | 2015-01-07 | 国家电网公司 | Safe tool for axuilairily overhauling 10kV switch cabinet and use method thereof |
| CN111200253A (en) * | 2019-12-12 | 2020-05-26 | 河南平高通用电气有限公司 | Cubical switchboard inspection handcart |
| CN111200253B (en) * | 2019-12-12 | 2021-06-11 | 河南平高通用电气有限公司 | Cubical switchboard inspection handcart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |