CN202678192U - Lift prevention device of high-voltage vacuum circuit breaker - Google Patents
Lift prevention device of high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN202678192U CN202678192U CN 201220301303 CN201220301303U CN202678192U CN 202678192 U CN202678192 U CN 202678192U CN 201220301303 CN201220301303 CN 201220301303 CN 201220301303 U CN201220301303 U CN 201220301303U CN 202678192 U CN202678192 U CN 202678192U
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- Prior art keywords
- guide rail
- bearing
- wheel
- edgefold
- limiting
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Abstract
The utility model discloses a lift prevention device of a high-voltage vacuum circuit breaker. The device comprises a wheel device (b1), a guide rail (2) and a cabinet body bottom plate (b3), the guide rail (b2) is in threaded connection with the cabinet body bottom plate (b3), a wheel (a2) in the wheel device (b1) moves in a guide rail groove, and the device is characterized in that one end of a rotating shaft (a5) on the wheel device (b1) is connected with a bearing (a4), one end of the guide rail (b2) is provided with a position-limiting edgefold in a vertical direction, and the bearing is under the position-limiting edgefold of the guide rail (b2) and is adjacent to the position-limiting edgefold. Compared with the prior art, the lift prevention device of a high-voltage vacuum circuit breaker has the characteristics of simple structure and convenient mounting, and since one end of the guide rail is provided with the position-limiting edgefold in the vertical direction and the bearing is arranged under the position-limiting edgefold and is adjacent to the position-limiting edgefold, the problems of the upwarp phenomenon and the phenomenon of being stuck which occur in the process of engagement of a contact of the vacuum circuit breaker and a static contact inside the cabinet are well solved.
Description
Technical field
The utility model belongs to the technical field of distribution, relates to a kind of anti-device of lifting of high-pressure vacuum breaker, particularly the anti-device of lifting of ZN85-40.5 type indoor high-voltage vacuum circuit breaker.
Background technology
" vacuum circuit-breaker " because of its arc-extinguishing medium and arc extinguishing after the dielectric in contact gap all be that high vacuum is gained the name; It has volume little, lightweight, be applicable to the advantage that frequent operation, arc extinguishing need not overhaul, in power distribution network, use comparatively universal.In the high-pressure vacuum breaker, contact part adopts Mume flower contact usually, and the structure of Mume flower contact is by the non-magnetic rustproof steel bracket, the T2 copper coin, and magnetism-free stainless steel ring-type tension spring forms.Because the existence of spring so that contact have certain snap-in force can with the better interlock of fixed contact.But in contact of breaker and cabinet in the process of fixed contact interlock, when the initial stage contact of breaker slowly opens along with ahead running, because the snap-in force of magnetism-free stainless steel ring-type tension spring is larger, in progradation, often can not in time open and finish smoothly interlock, and meanwhile, still inwardly advance by the motion of operating grip drive screw mandrel in the circuit breaker bottom, produce relative displacement with the Mume flower contact of failing in time to finish snap-action this moment, cause circuit breaker to produce layback even upwarp, cause and interlock to put in place.
In the prior art, although such as the switch cubicle middle part of KYN61-40.5 type locating element is housed, and during break-in, have certain anti-effect, DeGrain lifted.In the allocation process of circuit breaker, increase unnecessary workload.
Summary of the invention
The utility model is for the present situation of prior art, and its purpose is to provide that a kind of simple structure, cost are lower, the anti-device of lifting of the high-pressure vacuum breaker of successful, with solve contact of breaker with cabinet in produce in the fixed contact interlock process upwarp phenomenon.
The technical solution adopted in the utility model is: comprise wheel assembly, guide rail and cabinet base plate, guide rail is connected with the cabinet base thread, wheel in the wheel assembly moves in guide-track groove, one end of the rotating shaft on the wheel assembly is connected with bearing, one end of guide rail is provided with spacing flanging in vertical direction, and bearing is below the spacing flanging of guide rail and adjacent with spacing flanging.
Further: described wheel assembly comprises wheel stand, wheel, lining, bearing and rotating shaft, rotating shaft axle body between bearing and wheel stand is provided with lining, one end of lining is connected with the inner ring of bearing, and the other end of lining is connected with the stake body of wheel stand.
Further: described guide rail is " Contraband " character form structure, and " Contraband " character form structure lower end is connected with the cabinet base plate, and " Contraband " character form structure upper end is spacing flanging.
Further: the inboard of the guide rail lower end of described " Contraband " character form structure is welded with fixedly iron plate of triangle.
Compared with prior art, the utility model can be improved on the basis of original part, so that the cost reduction that increases is extremely minimum, this outer bearing also is working standard spare, and buying is convenient.And possess simple in structure, the characteristics of being convenient to install, because an end of guide rail is provided with spacing flanging in vertical direction, bearing below the spacing flanging of guide rail and adjacent with spacing flanging, well solved contacts for vacuum-break switches with cabinet in produce in the fixed contact interlock process upwarp appearance with stuck phenomenon.
Description of drawings
Fig. 1 be the utility model embodiment 1 face the section structure schematic diagram.
Fig. 2 is the assembly structure schematic diagram of the utility model embodiment 1 front left wheel major part.
Embodiment
The utility model can be implemented by technical scheme, and the utility model will be further described by the following examples, yet scope of the present utility model is not limited to following embodiment.
Embodiment 1: Fig. 1 is to Figure 2 shows that structural representation of the present utility model.
Reference numeral wherein is: wheel stand a1, wheel a2, lining a3, bearing a4, rotating shaft a5, wheel assembly b1, guide rail b2, cabinet base plate b3.
As shown in Figure 1, present embodiment 1 comprises that shaft divides through the wheel assembly b1 that transforms and the modified form guide rail b2 that matches with its bearing movable.
Described wheel assembly b1 comprises wheel stand a1, wheel a2, lining a3, bearing a4 and rotating shaft a5, rotating shaft a5 axle body between bearing a4 and wheel stand a1 is provided with lining a3, the end of lining a3 is connected with the inner ring of bearing a4, and the other end of lining a3 is connected with the stake body of wheel stand a1.Wheel a2 is connected with wheel stand a1 by rotating shaft a5.
Described guide rail b2 is " Contraband " character form structure, and " Contraband " character form structure lower end is connected with cabinet base plate b3, and " Contraband " character form structure upper end is spacing flanging.
Upwarp phenomenon if be pushed into to produce in the process of service position at circuit breaker, the end of rotating shaft a5 is owing to be in the below of spacing flanging of guide rail b2 and adjacent with spacing flanging, so just prevented from upwarping the generation of phenomenon, simultaneously designed bearing a4 at rotating shaft a5 again, so that produce when upwarping phenomenon, the spacing flanging touch scrolling of bearing a4 and guide rail b2 has reduced friction, avoid rotating shaft a5 directly to contact with guide rail b2 and produced sliding friction, thereby greatly reduced the loss of countershaft a5.Also prevent the appearance of stuck phenomenon, make whole shake into process more smooth and easy.
Rotating shaft a5 lengthens on the basis of original length, and extension length has been guaranteed anti-realization of lifting function so that it can contact with the upper dogleg section of guide rail b2.
Rotating shaft a5 axle body between bearing a4 and wheel stand a1 is provided with lining a3, and the end of lining a3 is connected with the inner ring of bearing a4, and the other end of lining a3 is connected with the stake body of wheel stand a1.The center that can correct axle on the one hand makes rotation more smooth, and lining a3 can strengthen the intensity of rotating shaft a5 extension on the other hand, has prevented the stressed excessive distortion that causes of rotating shaft rotating shaft a5.
Bottom bending part at " Contraband " character form structure of guide rail b2 welds some triangular plates, has prevented the deformation that guide rail b2 produces when being subject to lifting direction power, has increased simultaneously the intensity of this part, has increased useful life.
Claims (4)
1. the anti-device of lifting of a high-pressure vacuum breaker, comprise wheel assembly (b1), guide rail (b2) and cabinet base plate (b3), guide rail (b2) is threaded with cabinet base plate (b3), wheel (a2) in the wheel assembly (b1) moves in guide-track groove, it is characterized in that: an end of the rotating shaft (a5) on the wheel assembly (b1) is connected with bearing (a4), one end of guide rail (b2) is provided with spacing flanging in vertical direction, and bearing (a4) is in the below of the spacing flanging of guide rail (b2) and adjacent with spacing flanging.
2. the anti-device of lifting of a kind of high-pressure vacuum breaker according to claim 1, it is characterized in that: described wheel assembly (b1) comprises wheel stand (a1), wheel (a2), lining (a3), bearing (a4) and rotating shaft (a5), rotating shaft (a5) axle body between bearing (a4) and wheel stand (a1) is provided with lining (a3), one end of lining (a3) is connected with the inner ring of bearing (a4), and the other end of lining (a3) is connected with the stake body of wheel stand (a1).
3. the anti-device of lifting of a kind of high-pressure vacuum breaker according to claim 1 and 2, it is characterized in that: described guide rail (b2) is " Contraband " character form structure, " Contraband " character form structure lower end is connected with cabinet base plate (b3), and " Contraband " character form structure upper end is spacing flanging.
4. the anti-device of lifting of a kind of high-pressure vacuum breaker according to claim 3, it is characterized in that: the inboard of guide rail (b2) lower end of described " Contraband " character form structure is welded with fixedly iron plate of triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301303 CN202678192U (en) | 2012-06-26 | 2012-06-26 | Lift prevention device of high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301303 CN202678192U (en) | 2012-06-26 | 2012-06-26 | Lift prevention device of high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678192U true CN202678192U (en) | 2013-01-16 |
Family
ID=47499076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220301303 Expired - Fee Related CN202678192U (en) | 2012-06-26 | 2012-06-26 | Lift prevention device of high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952113A (en) * | 2020-06-23 | 2020-11-17 | 祥兴电气有限公司 | Vacuum circuit breaker on post |
-
2012
- 2012-06-26 CN CN 201220301303 patent/CN202678192U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952113A (en) * | 2020-06-23 | 2020-11-17 | 祥兴电气有限公司 | Vacuum circuit breaker on post |
| CN111952113B (en) * | 2020-06-23 | 2022-05-31 | 祥兴电气有限公司 | Vacuum circuit breaker on post |
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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: 20130116 Termination date: 20170626 |