CN203439054U - Radial grounding backflow device and locomotive axle box - Google Patents
Radial grounding backflow device and locomotive axle box Download PDFInfo
- Publication number
- CN203439054U CN203439054U CN201320558103.0U CN201320558103U CN203439054U CN 203439054 U CN203439054 U CN 203439054U CN 201320558103 U CN201320558103 U CN 201320558103U CN 203439054 U CN203439054 U CN 203439054U
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- China
- Prior art keywords
- axle box
- carbon brush
- brush
- utility
- locomotive axle
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Abstract
The utility model provides a radial grounding backflow device and a locomotive axle box. The radial grounding backflow device comprises an end cover and a brush carrier. The end cover is installed on the brush carrier through fasteners and insulation washers. A constant force spring and a carbon brush are installed in the end cover. One end of the constant force spring is connected with the end cover, and the other end of the constant force spring is fixed to the top of the carbon brush. The carbon brush penetrates through the brush carrier. The bottom contact surface of the carbon brush is a circular arc surface. Insulation patches are arranged on the surface of the brush carrier. The utility model further provides the locomotive axle box, wherein the radial grounding backflow device is installed on the locomotive axle box. Ordinary axial installation is changed into radial installation, so that stability is good, and seismic performance is good.
Description
Technical field
The utility model belongs to ground protection functional component, relates in particular to a kind of radially ground connection recycling device and locomotive axle box.
Background technology
Ground connection recycling device is arranged on the truck journal box of EMU; its effect is to realize the ground connection of circuit on side of overhead contact line from electrical network to rail to reflux; play protection bogie axle axle box bearing simultaneously; can improve EMU electric conductivity and prevent the galvanic corrosion of bogie axle axle box bearing by actv., improve the reliability of EMU.Current ground connection recycling device is on the market generally axial installation, carbon brush is cylinder or cuboid, contact surface is plane, by a springing, make the cylindric contact disc end face close contact of itself and rotating shaft, this mounting means makes ground connection recycling device bear stronger impact shock, therefore steadiness is poor, has produced potential safety hazard.
Utility model content
Based on the deficiencies in the prior art, one of the utility model technical issues that need to address be to provide a kind of shock resistance strong ground connection recycling device.
Two of the utility model technical issues that need to address are to provide a kind of locomotive axle box of working stability safety.
For one of solving the problems of the technologies described above, the utility model provides a kind of radially ground connection recycling device, and it comprises end cap and brush holder, and described end cap is arranged on brush holder by fastener and insulating washer; Constant force spring and carbon brush are installed in end cap, and constant force spring one end connects end cap, and one end is fixed on carbon brush top, and carbon brush is through brush holder, and bottom contact surface is arc surface; Brush holder appearance is provided with insulation paster.
For solve the problems of the technologies described above two, the utility model also provides a kind of locomotive axle box, it has installed above-mentioned radially ground connection recycling device.Wherein the brush holder in above-mentioned radially ground connection recycling device is fixed on locomotive axle box shell, and the radially-outer surface of the bottom contact surface of carbon brush and the rotating shaft of locomotive axle box contacts.
The utility model is by the carbon brush component of design constant force spring and cooperation wheel shaft curved surface, the pressure that makes constant force spring act on carbon brush keeps constant and makes carbon brush curved surface reliably contact and coordinate with wheel shaft curved surface, meets the requirement that Highs-speed motor train unit bogie axletree is radially installed.
Insulating washer can prevent that with insulation paster current-carrying part from contacting axle box or axletree, prevents bearing galvanic corrosion.
Compared with prior art, the utility model, for radially installing, is preferably radial level and installs, and steadiness is good, and anti-seismic performance is superior.
The utility model pressure that radially structure of ground connection recycling device makes constant force spring act on carbon brush keeps constant; can play carbon brush curved surface is reliably contacted and the effect coordinating with wheel shaft curved surface; realizing the ground connection of circuit on side of overhead contact line from electrical network to rail refluxes; play protection bogie axle axle box bearing simultaneously; can improve EMU electric conductivity and prevent the galvanic corrosion of bogie axle axle box bearing by actv., improve the reliability of EMU.
Below in conjunction with accompanying drawing, describe the utility model in detail, it illustrates principle of the present utility model as the part of this specification sheets by embodiment, and other aspects of the present utility model, feature and advantage thereof will become very clear by this detailed description.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the utility model structural representation in a preferred embodiment;
Fig. 2 is the semisectional view of facing of Fig. 1;
Fig. 3 is that semisectional view is looked on a left side of Fig. 1;
Fig. 4 is the structural representation of carbon brush.
In Fig. 1-2, the corresponding relation of Reference numeral is:
1-end cap, 2-brush holder, 3-constant force spring,
4-carbon brush, 5-fastener, 6-insulating washer,
The 7-paster that insulate.
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As Figure 1-4, the utility model provides a kind of radially ground connection recycling device, and it comprises end cap 1 and brush holder 2, and described end cap 1 is arranged on brush holder 2 by fastener 5 and insulating washer 6; Constant force spring 3 and carbon brush 4 are installed in end cap 1, and constant force spring 3 one end connect end cap 1, and one end is fixed on carbon brush 4 tops, and carbon brush 4 is through brush holder 2, and bottom contact surface is arc surface; Brush holder 2 appearances are provided with insulation paster 7.
In vehicle operating, along with the abrasion of carbon brush 4, the application force of constant force spring 3 withstands carbon brush 4 ends, makes carbon brush 4 be subject to constant application force and reliably contacts with wheel shaft, has guaranteed passing through smoothly of electric current.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (2)
1. a ground connection recycling device radially, is characterized in that: comprise end cap (1) and brush holder (2), described end cap (1) is arranged on brush holder (2) by fastener (5) and insulating washer (6); Constant force spring (3) and carbon brush (4) are installed in end cap (1), and constant force spring (3) one end connects end cap (1), and one end is fixed on carbon brush (4) top, and carbon brush (4) is through brush holder (2), and bottom contact surface is arc surface; Brush holder (2) appearance is provided with insulation paster (6).
2. a locomotive axle box, it is characterized in that: radially ground connection recycling device according to claim 1 has been installed, described brush holder (2) is fixed on locomotive axle box shell, and the radially-outer surface of the bottom contact surface of described carbon brush (4) and the rotating shaft of locomotive axle box contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558103.0U CN203439054U (en) | 2013-09-10 | 2013-09-10 | Radial grounding backflow device and locomotive axle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558103.0U CN203439054U (en) | 2013-09-10 | 2013-09-10 | Radial grounding backflow device and locomotive axle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203439054U true CN203439054U (en) | 2014-02-19 |
Family
ID=50090124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320558103.0U Expired - Lifetime CN203439054U (en) | 2013-09-10 | 2013-09-10 | Radial grounding backflow device and locomotive axle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203439054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207507A (en) * | 2016-07-19 | 2016-12-07 | 辽宁红德电碳制品有限公司 | CRH EMUs grounding device |
-
2013
- 2013-09-10 CN CN201320558103.0U patent/CN203439054U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207507A (en) * | 2016-07-19 | 2016-12-07 | 辽宁红德电碳制品有限公司 | CRH EMUs grounding device |
| CN106207507B (en) * | 2016-07-19 | 2019-05-17 | 辽宁红德电碳制品有限公司 | CRH EMU earthing or grounding means |
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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: 20140219 |
|
| CX01 | Expiry of patent term |