CN204586903U - Bogie truck, shock attenuation unit and wedge structure - Google Patents
Bogie truck, shock attenuation unit and wedge structure Download PDFInfo
- Publication number
- CN204586903U CN204586903U CN201520308251.6U CN201520308251U CN204586903U CN 204586903 U CN204586903 U CN 204586903U CN 201520308251 U CN201520308251 U CN 201520308251U CN 204586903 U CN204586903 U CN 204586903U
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- Prior art keywords
- wedge structure
- friction plate
- voussoir
- shock attenuation
- attenuation unit
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- 230000035939 shock Effects 0.000 title claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of bogie truck, shock attenuation unit and wedge structure, and this wedge structure comprises voussoir and is arranged on the friction plate on voussoir, and the incline of the side away from voussoir of friction plate is provided with anti-extrusion chamfering.Wedge structure in the utility model comprises voussoir and friction plate, incline due to the side away from voussoir of friction plate is provided with anti-extrusion chamfering, when this wedge structure is applied in reversing gear bracket, when this anti-extrusion chamfering makes work, four seamed edges of friction plate and the column wearing plate of side frame keep the distance, reduce contact between the two, the stress reducing seamed edge is concentrated, and then the internal stress of four seamed edges of minimizing friction plate, make seamed edge not easily damaged, thus extend the service life of wedge structure.
Description
Technical field
The utility model relates to engineering truck field, in particular to a kind of bogie truck, shock attenuation unit and wedge structure.
Background technology
At present, in the bogie truck of cast steel research railway truck, its spring damper comprises spring and wedge, and wedge has two kinds: one is metallic monoliths, and another kind is combination type slant wedge.Combination type slant wedge forms primarily of metal wedge, the main friction plate of High molecular material and attaching parts.
Compare metallic monoliths wedge, the advantage of combination type slant wedge is because the main friction plate of wedge is nonmetallic high polymer material member, when the side frame column wearing plate of it and metallic material forms friction pair, more stable damping coefficient can be provided on the one hand, the abrasion of main friction plate and side frame column wearing plate are all very little on the other hand, friction pair long service life.
The friction plate of combination type slant wedge structure of the prior art as shown in Figure 1, its friction plate is made up of wearing layer 1, enhancement layer 2 and circle navel 3, wherein wearing layer 1 and side frame column wearing plate form the nonmetallic friction pair of metal pair, and wearing layer 1 is more wear-resisting, but tensile strength, toughness are low; The effect of enhancement layer 2 ensures that friction plate has certain intensity, makes it not easy fracture, enhancement layer tensile strength and toughness high; Circle navel 3 plays location and transmits the effect of friction force, makes the reliable holding position of friction plate and bears friction force.
But, wedge structure of the prior art has following shortcoming: owing to being vulnerable to when bogie truck side frames produces diamonding from the extruding of column wearing plate, and assembling, dismounting time the effect such as to collide with, the rib on four limits of friction plate enhancement layer seems undercapacity, problems such as easily occurring crackle, fall tooth, unfilled corner, local are broken.
Utility model content
Main purpose of the present utility model is to provide a kind of bogie truck, shock attenuation unit and wedge structure, holds damageable problem with the friction plate solving wedge structure of the prior art.
To achieve these goals, according to first aspect of the present utility model, provide a kind of wedge structure, comprise voussoir and be arranged on the friction plate on voussoir, the incline of the side away from voussoir of friction plate is provided with anti-extrusion chamfering.
Further, friction plate comprises enhancement layer and is arranged on the wearing layer on enhancement layer, and enhancement layer is provided with extension, and extension is wrapped in the outside of the circumferential side wall of wearing layer.
Further, extension arranges to form the parcel groove holding wearing layer along the circumference of wearing layer.
Further, voussoir is provided with mounting hole, friction plate is provided with projection is installed, and installation projection is plugged in mounting hole.
Further, wedge structure also comprises set pin, installs in projection and is provided with fixed orifice, and when installing projection and being plugged in mounting hole, fixed orifice is through mounting hole, and set pin is plugged in fixed orifice.
Further, wedge structure also comprises back-up ring, and shield ring sleeve is located to be installed in projection, and back-up ring is positioned at the side away from wearing layer of mounting hole.
Further, voussoir is provided with mounting groove, the wearing layer of friction plate is positioned at mounting groove.
According to second aspect of the present utility model, provide a kind of shock attenuation unit, comprise wedge structure and the damper spring being arranged on wedge structure lower end, wedge structure is above-mentioned wedge structure.
According to the 3rd aspect of the present utility model, provide a kind of bogie truck, comprise side frame, bolster and shock attenuation unit, shock attenuation unit is arranged on the two ends of bolster, and bolster is arranged on side frame by shock attenuation unit, shock attenuation unit be above-mentioned in shock attenuation unit.
Further, bogie truck also comprises wearing plate, and wearing plate is arranged on side frame, and friction plate in the wedge structure of shock attenuation unit and wearing plate are oppositely arranged.
Wedge structure in the utility model comprises voussoir and friction plate, incline due to the side away from voussoir of friction plate is provided with anti-extrusion chamfering, when this wedge structure is applied in reversing gear bracket, when this anti-extrusion chamfering makes work, four seamed edges of friction plate and the column wearing plate of side frame keep the distance, reduce contact between the two, the stress reducing seamed edge is concentrated, and then the internal stress of four seamed edges of minimizing friction plate, make seamed edge not easily damaged, thus extend the service life of wedge structure.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the friction plate of wedge structure of the prior art;
Fig. 2 shows the structural representation of the friction plate of the wedge structure in the utility model;
Fig. 3 shows the left view in Fig. 2;
Fig. 4 shows the structural representation of the wedge structure in the utility model;
Fig. 5 shows the structural representation of the shock attenuation unit in the utility model; And
Fig. 6 shows the structural representation of the reversing gear bracket in the utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, voussoir; 20, friction plate; 21, anti-extrusion chamfering; 22, enhancement layer; 23, wearing layer; 24, extension; 25, projection is installed; 26, fixed orifice; 30, set pin; 40, back-up ring; 50, damper spring; 60, side frame; 70, bolster; 80, wearing plate.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
According to first aspect of the present utility model, provide a kind of wedge structure, please refer to Fig. 2 to Fig. 6, the friction plate 20 that this wedge structure comprises voussoir 10 and is arranged on voussoir 10, the incline of the side away from voussoir 10 of friction plate 20 is provided with anti-extrusion chamfering 21.
Wedge structure of the prior art comprises voussoir 10 and friction plate 20, incline due to the side away from voussoir 10 of friction plate 20 is provided with anti-extrusion chamfering 21, when this wedge structure is applied in reversing gear bracket, when this anti-extrusion chamfering 21 makes work, four seamed edges of friction plate 20 and the column wearing plate of side frame keep the distance, reduce contact between the two, the stress reducing seamed edge is concentrated, and then the internal stress of four seamed edges of minimizing friction plate 20, make seamed edge not easily damaged, thus extend the service life of wedge structure.
Preferably, as shown in Figure 2, the wearing layer 23 that friction plate 20 comprises enhancement layer 22 and is arranged on enhancement layer 22, enhancement layer 22 is provided with extension 24, extension 24 is wrapped in the outside of the circumferential side wall of wearing layer 23.Can protect the incline of wearing layer 23 by arranging extension 24.
Preferably, extension 24 arranges to form the parcel groove holding wearing layer 23 along the circumference of wearing layer 23.Like this, the protected effect to wearing layer 23 can be improved.
Preferably, as shown in Figure 4, voussoir 10 is provided with mounting hole, friction plate 20 is provided with and installs protruding 25, and installation protruding 25 is plugged in mounting hole.Like this, can more easily friction plate 20 be installed on voussoir 10.
Preferably, wedge structure also comprises set pin 30, installs on protruding 25 and is provided with fixed orifice 26, and when installing protruding 25 and being plugged in mounting hole, fixed orifice 26 is through mounting hole, and set pin 30 is plugged in fixed orifice 26.By arranging set pin 30 and fixed orifice 26, can more easily friction plate 20 be fixed on voussoir 10.
Preferably, wedge structure also comprises back-up ring 40, and back-up ring 40 is set in be installed on protruding 25, and back-up ring 40 is positioned at the side away from wearing layer 23 of mounting hole.After protruding 25 reeve mounting holes will be installed, back-up ring 40 be set in and install protruding 25, and then the effect of blocking will be played to installation protruding 25, and prevent installation protruding 25 from automatically deviating from mounting hole.
Preferably, voussoir 10 is provided with mounting groove, the wearing layer 23 of friction plate 20 is positioned at mounting groove.By arranging mounting groove, and wearing layer 23 being arranged in mounting groove, can playing a protective role to voussoir 10.
According to second aspect of the present utility model, provide a kind of shock attenuation unit, as shown in Figure 5, this shock attenuation unit comprises wedge structure and is arranged on the damper spring 50 of wedge structure lower end, and wedge structure is above-mentioned wedge structure.
According to the 3rd aspect of the present utility model, provide a kind of bogie truck, as shown in Figure 6, this bogie truck comprises side frame 60, bolster 70 and shock attenuation unit, shock attenuation unit is arranged on the two ends of bolster 70, and bolster 70 is arranged on side frame 60 by shock attenuation unit, and shock attenuation unit is above-mentioned shock attenuation unit.
Preferably, bogie truck also comprises wearing plate 80, and wearing plate 80 is arranged on side frame 60, and the friction plate 20 in the wedge structure of shock attenuation unit is oppositely arranged with wearing plate 80.By arranging wearing plate 80, making wearing plate 80 relative with friction plate 20, the wearing and tearing of friction plate 20 pairs of side frames 60 can be slowed down.
Friction plate structure in the utility model as shown in Figures 2 and 3, the seamed edge that the main friction face of friction plate is crossing with side is provided with a chamfering, when this chamfering makes work, four arris of main friction plate do not contact with side frame column wearing plate, its internal stress is low, thus seamed edge is not easily destroyed, in addition, enhancement layer is extended and encases the wearing layer side that main friction plate four exposes, all strengthened in main friction plate four seamed edges and side, thus not easily damaged.
Wedge structure in the utility model can solve existing friction plate four seamed edges crackle, fall the problems such as tooth, unfilled corner, local be broken.
Wedge structure in the application has the simple advantage of structure, under the prerequisite substantially not increasing any mechanism, cost, the wearing layer local strength of friction plate can be improved about 3 times.
One of key problem in technology point of the application is: the seamed edge that the main friction face of friction plate is crossing with side is provided with a chamfering;
Two of the key problem in technology point of the application is: extended by enhancement layer and encase the wearing layer side that main friction plate four exposes.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a wedge structure, comprise voussoir (10) and be arranged on the friction plate (20) on described voussoir (10), it is characterized in that, the incline of the side away from described voussoir (10) of described friction plate (20) is provided with anti-extrusion chamfering (21).
2. wedge structure according to claim 1, it is characterized in that, described friction plate (20) comprises enhancement layer (22) and is arranged on the wearing layer (23) on described enhancement layer (22), described enhancement layer (22) is provided with extension (24), described extension (24) is wrapped in the outside of the circumferential side wall of described wearing layer (23).
3. wedge structure according to claim 2, is characterized in that, described extension (24) arranges to form the parcel groove holding described wearing layer (23) along the circumference of described wearing layer (23).
4. wedge structure according to claim 1, it is characterized in that, (10) are provided with mounting hole to described voussoir, described friction plate (20) is provided with and installs protruding (25), and described installation protruding (25) is plugged in described mounting hole.
5. wedge structure according to claim 4, it is characterized in that, described wedge structure also comprises set pin (30), protruding (25) are provided with fixed orifice (26) in described installation, when described installation protruding (25) is plugged in described mounting hole, described fixed orifice (26) is through described mounting hole, and described set pin (30) is plugged in described fixed orifice (26).
6. wedge structure according to claim 4, it is characterized in that, described wedge structure also comprises back-up ring (40), described back-up ring (40) is set in described installation protruding (25), and described back-up ring (40) is positioned at the side away from wearing layer (23) of described mounting hole.
7. wedge structure according to claim 1, is characterized in that, (10) are provided with mounting groove to described voussoir, and the wearing layer (23) of described friction plate (20) is positioned at described mounting groove.
8. a shock attenuation unit, comprises wedge structure and the damper spring (50) being arranged on described wedge structure lower end, it is characterized in that, the wedge structure of described wedge structure according to any one of claim 1 to 7.
9. a bogie truck, comprise side frame (60), bolster (70) and shock attenuation unit, described shock attenuation unit is arranged on the two ends of described bolster (70), and described bolster (70) is arranged on described side frame (60) by described shock attenuation unit, it is characterized in that, described shock attenuation unit is shock attenuation unit according to claim 8.
10. bogie truck according to claim 9, it is characterized in that, described bogie truck also comprises wearing plate (80), described wearing plate (80) is arranged on described side frame (60), and the friction plate (20) in the wedge structure of described shock attenuation unit is oppositely arranged with described wearing plate (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308251.6U CN204586903U (en) | 2015-05-13 | 2015-05-13 | Bogie truck, shock attenuation unit and wedge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308251.6U CN204586903U (en) | 2015-05-13 | 2015-05-13 | Bogie truck, shock attenuation unit and wedge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586903U true CN204586903U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520308251.6U Expired - Fee Related CN204586903U (en) | 2015-05-13 | 2015-05-13 | Bogie truck, shock attenuation unit and wedge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586903U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569305A (en) * | 2017-03-08 | 2018-09-25 | 阿母斯替德铁路公司 | Bogies for railway vehicles friction shoe |
| CN109990045A (en) * | 2019-04-19 | 2019-07-09 | 徐州煤矿安全设备制造有限公司 | A kind of linear type wedge lock rope device |
| CN111976771A (en) * | 2020-08-26 | 2020-11-24 | 中车山东机车车辆有限公司 | Inclined wedge and swing bolster elastic connection vibration damping device for railway wagon bogie and bogie |
| CN112208567A (en) * | 2019-07-12 | 2021-01-12 | 包头北方创业有限责任公司 | Wedge type combined shock absorber and railway wagon bogie |
-
2015
- 2015-05-13 CN CN201520308251.6U patent/CN204586903U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569305A (en) * | 2017-03-08 | 2018-09-25 | 阿母斯替德铁路公司 | Bogies for railway vehicles friction shoe |
| US10589759B2 (en) | 2017-03-08 | 2020-03-17 | Amsted Rail Company, Inc. | Railway car truck friction shoe |
| CN109990045A (en) * | 2019-04-19 | 2019-07-09 | 徐州煤矿安全设备制造有限公司 | A kind of linear type wedge lock rope device |
| CN112208567A (en) * | 2019-07-12 | 2021-01-12 | 包头北方创业有限责任公司 | Wedge type combined shock absorber and railway wagon bogie |
| CN111976771A (en) * | 2020-08-26 | 2020-11-24 | 中车山东机车车辆有限公司 | Inclined wedge and swing bolster elastic connection vibration damping device for railway wagon bogie and bogie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR ROLLING STOCK Co.,Ltd. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: QIQIHAR RAILWAY ROLLING STOCK Co.,Ltd. |
|
| 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: 20150826 |