CN202399929U - Pantograph bow spring case - Google Patents
Pantograph bow spring case Download PDFInfo
- Publication number
- CN202399929U CN202399929U CN2011205595087U CN201120559508U CN202399929U CN 202399929 U CN202399929 U CN 202399929U CN 2011205595087 U CN2011205595087 U CN 2011205595087U CN 201120559508 U CN201120559508 U CN 201120559508U CN 202399929 U CN202399929 U CN 202399929U
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- China
- Prior art keywords
- spring case
- pantograph
- spring
- lock pin
- box body
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Abstract
The utility model discloses a pantograph bow spring case. A spring case body (5) is fixed onto a pantograph bow bracket, a spring case cover (3) is hollowly sleeved on the upper portion of the spring case body (5), a spring case inserting mandrel (8) is connected with a pantograph pan through a pantograph pan fixing seat (1) fixed onto the top, the upper portion of the spring case inserting mandrel (8) is fixed onto the spring case cover (3), the spring case body (5) is hollowly sleeved on the lower portion of the spring case inserting mandrel (8), a buffer spring (2) is sleeved between the upper portion of the spring case body (5) and the spring case inserting mandrel (8), and a limiting bolt (6) penetrates through a limiting hole (9) arranged on the spring case inserting mandrel (8) to be fixed onto the spring case body (5). The pantograph bow spring case in the embodiment can limit transverse impact and longitudinal impact of the pantograph pan, and can provide a good vertical displacement for the pantograph pan at any locomotive speed, so that oscillation of contact force among bow nets is weakened, and stable current collection of a pantograph is guaranteed.
Description
Technical field
The utility model relates to mechanical structure field, relates in particular to a kind of pantograph collector head spring case.
Background technology
Electric locomotive mainly is that the pantograph through the locomotive top is obtained the required electric energy of operation from contact system, thus pantograph receive the stream situation directly to have influence on electric locomotive whether can normally to move.Pantograph receive between stream situation and pantograph and the contact system to contact situation closely related: if the too small pantograph that then possibly make of contact force can't received current between bow net; If excessive pantograph or the contact system of then possibly causing of contact force damages between bow net; If contacting between pantograph and the contact system unstable (for example: pantograph is rocked or swung contact force concussion between the caused bow net of body oscillating of contact force concussion, electric locomotive between caused bow net, contact system and receives between the caused bow net of external force vibration contact force and shake) then not only can make the received electric current of pantograph intermittent, and possibly cause the wearing and tearing of pantograph or contact system.
The concrete structure of pantograph collector head can comprise pantograph pan, slide plate support component and bow carriage; The lower end of slide plate support component is fixed on the bow carriage; Its upper end is connected with pantograph pan, so the contact situation between pantograph and the contact system can receive the direct influence of slide plate support component.If the slide plate support component is selected rigid element for use, the bow weight that rises that then pantograph is suffered directly affacts contact system through pantograph pan with can having no buffering, and this can cause the damage of pantograph or contact system undoubtedly; If the slide plate support component is an elastomeric element, deformation can take place in elastomeric element in good time when then fluctuation took place contact force between bow net, thereby weakened the concussion of contact force between bow net, and therefore the slide plate support component generally adopts coil spring or laminated spring in the prior art.But after electric locomotive/motor train unit speed of a motor vehicle per hour surpasses 350 kilometers; The suffered air-flow resistance of pantograph collector head increases, and waves and the amplitude that fluctuates also strengthens, owing to the damping of coil spring and laminated spring is very little; This concussion of pantograph collector head can't be carried out actv. weakening and buffering during therefore to high-speed cruising; And then also just can't weaken the concussion of contact force between bow net, to such an extent as to pantograph can't normally be flowed, even pantograph or contact system are worn and torn.
Summary of the invention
The purpose of the utility model provides a kind of compact conformation, weight is slim and graceful, the windward side is little pantograph collector head spring case; So that the lateral impact and the longitudinal impact of restriction pantograph pan; And under any speed of a motor vehicle, can both a good vertical deviation be provided, thereby weaken the amplitude that pantograph collector head waves and fluctuates, eliminate the concussion of contact force between bow net to pantograph pan; What guarantee that pantograph can normal and stable is flowed, and electric locomotive can be safely and steadily run.
The purpose of the utility model realizes through following technical scheme:
A kind of pantograph collector head spring case is connected with the bow carriage with pantograph pan, comprising: pantograph pan Connection Block 1, recoil spring 2, spring case lid 3, spring case box body 5, caging bolt 6 and spring case lock pin axle 8;
Spring case box body 5 is fixed on the bow carriage, and spring case lid 3 is placed in the top of spring case box body 5;
The top of spring case lock pin axle 8 is fixed on the bottom of pantograph pan Connection Block 1, and is connected with pantograph pan through pantograph pan Connection Block 1; The top of spring case lock pin axle 8 is fixed on the spring case lid 3; Spring case box body 5 is placed in the bottom of spring case lock pin axle 8;
Described recoil spring 2 is sleeved between the top and spring case lock pin axle 8 of spring case box body 5;
Described caging bolt 6 passes the spacing hole 9 that is provided with on the spring case lock pin axle 8, and is fixed on the spring case box body 5.
Preferably, be provided with flow ring 4 between spring case lid 3 and the spring case box body 5.
Preferably, the inside of said spring case lock pin axle 8 is provided with cavity 11.
Preferably, the bottom of said spring case lock pin axle 8 is provided with sealing screw 7.
Preferably, the axial damping hole 12 that is communicated with cavity 11 that is provided with of said sealing screw 7.
Technical scheme by above-mentioned the utility model provides can be found out; The pantograph collector head spring case that the utility model embodiment provides is fixed on the bow carriage through the spring case box body 5 that is placed in spring case lock pin axle 8 bottoms; Be connected with pantograph pan through the pantograph pan Connection Block 1 that is fixed on spring case lock pin axle 8 tops again; Because spring case lock pin axle 8 is connected fixing with the spring case lid 3 that is placed in spring case box body 5 tops; And be set with recoil spring 2 between spring case box body 5 and the spring case lock pin axle 8; Therefore this pantograph collector head spring case had both remained with the advantage that recoil spring 2 can provide good vertical deviation, had limited the cross motion and the longitudinal movement of recoil spring 2 again; Simultaneously, the flow ring 4 that is arranged between spring case lid 3 and the spring case box body 5 reduces the vertical friction force between spring case lid 3 and the spring case box body 5 in limits ground very much; This shows; The utility model embodiment can effectively limit the lateral impact and the longitudinal impact of pantograph pan; And under any speed of a motor vehicle, can both a good vertical deviation be provided, thereby weaken the amplitude that pantograph collector head waves and fluctuates, eliminate the concussion of contact force between bow net to pantograph pan; What guarantee that pantograph can normal and stable is flowed, and electric locomotive can be safely and steadily run.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skill in the art; Under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The structural representation one of the pantograph collector head spring case that Fig. 1 provides for the utility model embodiment;
The structural representation two of the pantograph collector head spring case that Fig. 2 provides for the utility model embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment of 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 protection domain of the utility model.
To combine accompanying drawing that the pantograph collector head spring case that the utility model embodiment is provided is described in detail below.
Embodiment one
As depicted in figs. 1 and 2; A kind of pantograph collector head spring case; Be connected with the bow carriage with pantograph pan, its concrete structure can comprise: pantograph pan Connection Block 1, recoil spring 2, spring case lid 3, spring case box body 5, caging bolt 6 and spring case lock pin axle 8;
Spring case box body 5 (for example: can be provided with fixed orifice 10 on the corresponding spring case box body 5 is fixed on the bow carriage; And be fixed on the bow carriage) through this fixed orifice 10; Spring case lid 3 is placed in the top of spring case box body 5, and (the sky cover described in the present specification is meant that the former is placed in the latter's the outside; Both gaps are very little, and the former can be along the latter's axial motion); The top of spring case lock pin axle 8 is fixed on the bottom of pantograph pan Connection Block 1, and is connected with pantograph pan through pantograph pan Connection Block 1; The top of spring case lock pin axle 8 is fixed on the spring case lid 3; Spring case box body 5 is placed in the bottom of spring case lock pin axle 8; Recoil spring 2 is sleeved between the top and spring case lock pin axle 8 of spring case box body 5; Caging bolt 6 passes the spacing hole 9 that is provided with on the spring case lock pin axle 8, and is fixed on the spring case box body 5.
Wherein, can be provided with flow ring 4 between corresponding spring case lid 3 and the spring case box body 5; Particularly, can be provided with groove on the spring case lid 3, flow ring 4 is arranged in the groove; Because spring case lid 3 is connected fixing with spring case lock pin axle 8; Therefore when between spring case lock pin axle 8 and the spring case box body 5 relative motion taking place; Spring case lid 3 also does relative motion with spring case box body 5 thereupon, and flow ring 4 can effectively reduce the vertical friction force between spring case lid 3 and the spring case box body 5.
Particularly; The inside of spring case lock pin axle 8 can be provided with a bigger cavity 11; This cavity 11 preferably connects the top and the bottom of spring case lock pin axle 8; Thereby can reduce the weight of this pantograph collector head spring case to greatest extent, make the pantograph collector head that this pantograph collector head spring case is installed not increase too many weight, original pantograph control system impacted avoiding.In practical application, the bottom of spring case lock pin axle 8 preferably is provided with sealing screw 7, and sealing screw 7 can carry out good sealing to the bottom of cavity 11, to prevent the containment ingression cavity 11 in the external environment condition.Can also be provided with the damping hole 12 that is communicated with cavity 11 on the corresponding sealing screw 7; The aperture of this damping hole 12 is very little; When spring case lock pin axle 8 moves downward with respect to spring case box body 5; Need earlier the gas in the spring case box body 5 to be discharged, and the gas in the spring case box body 5 need flow into cavity 11 through this damping hole 12; When spring case lock pin axle 8 during, need gas and flow in the spring case box body 5, and spring case box body 5 need obtain the gas in the cavity 11 through this damping hole 12 with respect to spring case box body 5 upward movements; Because the aperture of this damping hole 12 is very little, the circulation of gas needs a period of time, so the motion of spring case lock pin axle 8 has obtained certain buffering; This just can weaken pantograph collector head to a great extent and wave and fluctuate.
Further, in practical application, spring case lid 3 can be welded in the top of spring case lock pin axle 8 simultaneously with pantograph pan Connection Block 1, thereby makes spring case lid 3, pantograph pan Connection Block 1 and spring case lock pin axle 8 be integrally formed the structure of formula; Because pantograph pan can be through being bolted on the pantograph pan Connection Block 1; And spring case box body 5 is fixed on the bow carriage, so pantograph pan just is equal to 8 motions with respect to spring case box body 5 of spring case lock pin axle with respect to the motion of bow carriage.Because spring case box body 5 is placed in the bottom of spring case lock pin axle 8; Recoil spring 2 is sleeved between spring case box body 5 and the spring case lock pin axle 8; And caging bolt 6 passes the spacing hole 9 that is provided with on the spring case lock pin axle 8 and is fixed on the spring case box body 5; Therefore this pantograph collector head spring case has limited the cross motion and the longitudinal movement of recoil spring 2, can only a good vertical deviation be provided for pantograph pan.
This shows, the utility model embodiment not only compact conformation, weight is slim and graceful, the windward side is little, and lateral impact and longitudinal impact that can limited restriction pantograph pan; Simultaneously; Can also be for pantograph pan provide a good vertical deviation under any speed of a motor vehicle, thus the amplitude that pantograph collector head waves and fluctuates weakened, the concussion of contact force between the elimination bow net; What guarantee that pantograph can normal and stable is flowed, and electric locomotive can be safely and steadily run.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical personnel of being familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. pantograph collector head spring case; Be connected with the bow carriage with pantograph pan; It is characterized in that, comprising: pantograph pan Connection Block (1), recoil spring (2), spring case lid (3), spring case box body (5), caging bolt (6) and spring case lock pin axle (8);
Spring case box body (5) is fixed on the bow carriage, and spring case lid (3) is placed in the top of spring case box body (5);
The top of spring case lock pin axle (8) is fixed on the bottom of pantograph pan Connection Block (1), and is connected with pantograph pan through pantograph pan Connection Block (1); The top of spring case lock pin axle (8) is fixed on the spring case lid (3); Spring case box body (5) is placed in the bottom of spring case lock pin axle (8);
Described recoil spring (2) is sleeved between the top and spring case lock pin axle (8) of spring case box body (5);
Described caging bolt (6) passes spring case lock pin axle (8) and goes up the spacing hole (9) that is provided with, and is fixed on the spring case box body (5).
2. pantograph collector head spring case according to claim 1 is characterized in that, is provided with flow ring (4) between spring case lid (3) and the spring case box body (5).
3. pantograph collector head spring case according to claim 1 and 2 is characterized in that, the inside of said spring case lock pin axle (8) is provided with cavity (11).
4. pantograph collector head spring case according to claim 3 is characterized in that, the bottom of said spring case lock pin axle (8) is provided with sealing screw (7).
5. pantograph collector head spring case according to claim 4 is characterized in that, the axial damping hole (12) that is communicated with cavity (11) that is provided with of said sealing screw (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205595087U CN202399929U (en) | 2011-12-28 | 2011-12-28 | Pantograph bow spring case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205595087U CN202399929U (en) | 2011-12-28 | 2011-12-28 | Pantograph bow spring case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202399929U true CN202399929U (en) | 2012-08-29 |
Family
ID=46697598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205595087U Expired - Lifetime CN202399929U (en) | 2011-12-28 | 2011-12-28 | Pantograph bow spring case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202399929U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029588A (en) * | 2012-12-10 | 2013-04-10 | 天津机辆轨道交通装备有限责任公司 | Pantograph spring for subway or urban rail vehicles |
| CN105216636A (en) * | 2015-10-28 | 2016-01-06 | 广西大学 | A kind of pantograph spring case of adjustable rigidity |
| CN107685633A (en) * | 2017-08-28 | 2018-02-13 | 北京中车赛德铁道电气科技有限公司 | A kind of pantograph bow suspension |
| CN112706618A (en) * | 2021-01-26 | 2021-04-27 | 中车株洲电力机车有限公司 | Pantograph spring cylinder, pantograph and electric locomotive |
-
2011
- 2011-12-28 CN CN2011205595087U patent/CN202399929U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029588A (en) * | 2012-12-10 | 2013-04-10 | 天津机辆轨道交通装备有限责任公司 | Pantograph spring for subway or urban rail vehicles |
| CN105216636A (en) * | 2015-10-28 | 2016-01-06 | 广西大学 | A kind of pantograph spring case of adjustable rigidity |
| CN105216636B (en) * | 2015-10-28 | 2017-09-05 | 广西大学 | A kind of pantograph spring case of adjustable rigidity |
| CN107685633A (en) * | 2017-08-28 | 2018-02-13 | 北京中车赛德铁道电气科技有限公司 | A kind of pantograph bow suspension |
| CN112706618A (en) * | 2021-01-26 | 2021-04-27 | 中车株洲电力机车有限公司 | Pantograph spring cylinder, pantograph and electric locomotive |
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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 |
Granted publication date: 20120829 |
|
| CX01 | Expiry of patent term |