CN201347085Y - Railway freight-car bolster and side frame connecting structure - Google Patents
Railway freight-car bolster and side frame connecting structure Download PDFInfo
- Publication number
- CN201347085Y CN201347085Y CNU2008202338192U CN200820233819U CN201347085Y CN 201347085 Y CN201347085 Y CN 201347085Y CN U2008202338192 U CNU2008202338192 U CN U2008202338192U CN 200820233819 U CN200820233819 U CN 200820233819U CN 201347085 Y CN201347085 Y CN 201347085Y
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- CN
- China
- Prior art keywords
- bolster
- side frame
- bogie side
- sleeve
- axial plane
- Prior art date
- 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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Abstract
The utility model relates to a railway freight-car bolster and side frame connecting structure, which is characterized in that an end portion of a bolster is provided with an axial plane which includes two sections of conical steps, and the plane of the end portion thereof is opened with a screw hole, the center of a side frame is provided with a round hole, the external end of a pressing end cover is opened with a through-hole, and the inner end thereof is provided with a sleeve with an internal conical surface and an external conical surface. A connecting round sleeve is a metal round sleeve whose outer side is hung with a rubber layer, the rubber layer is used as a split structure of a trisection circle, and the inner wall of the metal round sleeve takes on a figure-eight cone with two conical surfaces. One ring-shaped rubber pad is sleeved in the bottom of the axial plane of the bolster, and another ring-shaped pad is sleeved in the sleeve of the pressing end cover, the connecting round sleeve is arranged in the round hole of the side frame, the axial plane 11 of the bolster is matched with the internal conical surface of the sleeve, and the two conical surfaces of the inner wall of the metal round sleeve are respectively matched with the axial plane 12 of the bolster and the external conical surface of the pressing end cover. The connecting structure not only retains the excellent equal load ability and curve passing performance of a freight-car bogie, but also increases the wrap resistant stiffness of the bogie, and is beneficial for the stability of the bogie in high-speed operation.
Description
Technical field
The utility model relates to a kind of railway truck three piece truck, particularly about a kind of railway truck bolster and bogie side frame connection structure.
Background technology
Bolster and bogie side frame are two big parts on the railway truck traveling portion three piece truck.At present, the bolster of domestic railway goods train bogie generally adopts the round screw thread spring to be connected with the connection mode of bogie side frame, promptly is positioned the round spring circle navel that correspondence position casts out on bolster and the bogie side frame by spring, makes and realizes between the bogie side frame bolster that elasticity connects.This connection mode makes truck side frame that level of freedom be arranged, and has good performance and the good curve negotiating of all carrying, and makes railway truck to twisting uneven circuit certain adaptive capacity be arranged.But deficiency such as have also simultaneously that connection structure is loose, the circle spring is scurried out and the bogie truck diamond resistant rigidity is lower.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides and a kind ofly can overcome the loosely connected of bolster bogie side frame, can keep railway truck bolster and bogie side frame connection structure that three piece truck all carries performance and curve negotiation ability again.
For achieving the above object, the utility model is taked following technical scheme: the connection structure of a kind of railway truck bolster and bogie side frame is characterized in that: be one to have the axial plane of two sections type conical bench in the end of bolster, have screw on the end plane; There is a circular hole in the central authorities of bogie side frame; One outer end that compresses end cap has through hole, and the inner is one to have the sleeve of the inside and outside conical surface; Connect the circle cover and be the round metal cover of plug-in rubber layer, described rubber layer is the splitted structure of third-class cyclotomy, and the inwall of described round metal cover is the Eight characters taper that two conical surfaces are arranged; One ring-shaped rubber pad is inserted in the bottom of described bolster axial plane, and another ring-shaped rubber pad is inserted in the described sleeve that compresses end cap; Described connection circle is enclosed within the described bogie side frame circular hole; The axial plane 11 of described bolster cooperates the inner conical surface of described sleeve, and two conical surfaces of described round metal cover inwall cooperate the axial plane 12 and the described male cone (strobilus masculinus) that compresses end cap of described bolster respectively.
The Circularhole diameter of described bogie side frame is enclosed within the overall diameter of rubber layer under the free state less than described connection circle.
It is described that to compress the screw of end cap outer end corresponding with through hole on the described bolster end plane.
The described end bolt that compresses top cover and described bolster.
Described ring-shaped rubber pad is made of the metal disk of centre and the rubber on two sides thereof.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is connected owing to the conical suface that adopts bolster and bogie side frame is pressed into, changed spring bonded assembly loose structure in the past, therefore both kept good equal loading capability and the curving performance of lorry three piece truck, improve the diamond resistant rigidity of bogie truck again, helped the stability of bogie truck in high-speed cruising.2, the utility model is owing to connecting the outside polysulphide rubbers layer that uses of plantation rubber cover, the wearing and tearing between parts have been prevented effectively, also utilized the three-way rigidity of rubber simultaneously, realized the elasticity location of bolster, bogie side frame, the vehicle that helps decaying be in operation vertical, lateral vibration, guaranteed the safe in operation of railway truck.
Description of drawings
Fig. 1 is a generalized section of the present utility model
The specific embodiment
Be described in detail of the present utility model below in conjunction with drawings and Examples.
As shown in Figure 1, the end of bolster 1 of the present utility model is one to have the axial plane 11,12 of two sections type conical bench, has 2～4 screws on the end plane.There is a circular hole in the central authorities of bogie side frame 2.One compresses end cap 3, and its outer end has the cooresponding through hole of screw on 2～4 end planes with bolster 1, and its inner is one to have the sleeve of the inside and outside conical surface 31,32, and the inner conical surface 31 of sleeve matches with the axial plane 11 of bolster 1 end.Connecting circle cover 4 is round metal covers of a plug-in polysulphide rubbers layer, outer field polysulphide rubbers layer is the splitted structure of third-class cyclotomy, the inwall of round metal cover is the Eight characters taper that two conical surfaces are arranged, and two conical surfaces match with the male cone (strobilus masculinus) 32 that compresses end cap 3 with the axial plane 12 of bolster 1 respectively.Two ring-shaped rubber pads 5,6 constitute by the metal disk of centre and the polysulphide rubbers on two sides thereof.The diameter of the central circular hole of bogie side frame 2 should press-fit fit dimension to guarantee it less than the overall diameter that connects circle cover 4 polysulphide rubbers layer in outer ring under free state.
When bolster 1 is connected with bogie side frame 2, at first ring-shaped rubber pad 6 is inserted in the type conical bench face bottom of bolster 1 end, connects circle cover 4 and be pressed in bogie side frame 2 circular holes, ring-shaped rubber pad 5 is inserted in the sleeve that compresses end cap 3.Make bolster 1 pass afterwards and connect circle cover 4, the end that the inner sleeve that compresses end cap 3 is pressed into bolster 1 be connected between the circle cover 4, with the inner conical surface 31 of guaranteeing sleeve axial plane 11 closed contacts with bolster 1 end, simultaneously the male cone (strobilus masculinus) 32 of sleeve overlaps a conical surface closed contact of 4 with the cooresponding circle that is connected, and passes screw and through hole with bolt 7 and fix and compress top cover 3 outer ends and bolster 1 end.The axial plane 12 of bolster 1 and cooresponding another conical suface closed contact that is connected circle cover 4 have so just realized that the elasticity between bolster 1 and the bogie side frame 2 is located by connecting.The be located by connecting elasticity of not only utilizing polysulphide rubbers of above elasticity prevents rigid shock between the accessory, has also avoided the abrasion of accessory.
Connecting device of the present utility model has overcome not only that railway goods train bogie connects loose defective in the prior art, has also kept good performance and the curve negotiation ability of all carrying, and has improved the diamond resistant rigidity of bogie truck.Because metal is hung the use of rubber connecting member, has effectively eliminated the abrasion between accessory, has prolonged the service life of parts.Also utilized the three-way rigidity of rubber simultaneously, realized the elasticity location of bolster, bogie side frame, the vehicle that helps decaying be in operation vertical, lateral vibration, guaranteed the safe in operation of railway truck.
Claims (7)
1, the connection structure of a kind of railway truck bolster and bogie side frame is characterized in that: be one to have the axial plane of two sections type conical bench in the end of bolster, have screw on the end plane; There is a circular hole in the central authorities of bogie side frame; One outer end that compresses end cap has through hole, and the inner is one to have the sleeve of the inside and outside conical surface; Connect the circle cover and be the round metal cover of plug-in rubber layer, described rubber layer is the splitted structure of third-class cyclotomy, and the inwall of described round metal cover is the Eight characters taper that two conical surfaces are arranged; One ring-shaped rubber pad is inserted in the bottom of described bolster axial plane, and another ring-shaped rubber pad is inserted in the described sleeve that compresses end cap; Described connection circle is enclosed within the described bogie side frame circular hole; The axial plane of described bolster (11) cooperates the inner conical surface of described sleeve, and two conical surfaces of described round metal cover inwall cooperate the axial plane (12) and the described male cone (strobilus masculinus) that compresses end cap of described bolster respectively.
2, a kind of railway truck bolster as claimed in claim 1 and bogie side frame connection structure is characterized in that: the Circularhole diameter of described bogie side frame is enclosed within the overall diameter of rubber layer under the free state less than described connection circle.
3, a kind of railway truck bolster as claimed in claim 1 and bogie side frame connection structure is characterized in that: described to compress the screw of end cap outer end corresponding with through hole on the described bolster end plane.
4, a kind of railway truck bolster as claimed in claim 2 and bogie side frame connection structure is characterized in that: described to compress the screw of end cap outer end corresponding with through hole on the described bolster end plane.
5, as claim 1 or 2 or 3 or 4 described a kind of railway truck bolster and bogie side frame connection structures, it is characterized in that: the described end bolt that compresses top cover and described bolster.
6, as claim 1 or 2 or 3 or 4 described a kind of railway truck bolster and bogie side frame connection structures, it is characterized in that: described ring-shaped rubber pad is made of the metal disk of centre and the rubber on two sides thereof.
7, a kind of railway truck bolster as claimed in claim 5 and bogie side frame connection structure, it is characterized in that: described ring-shaped rubber pad is made of the metal disk of centre and the rubber on two sides thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202338192U CN201347085Y (en) | 2008-12-23 | 2008-12-23 | Railway freight-car bolster and side frame connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202338192U CN201347085Y (en) | 2008-12-23 | 2008-12-23 | Railway freight-car bolster and side frame connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347085Y true CN201347085Y (en) | 2009-11-18 |
Family
ID=41366560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202338192U Expired - Lifetime CN201347085Y (en) | 2008-12-23 | 2008-12-23 | Railway freight-car bolster and side frame connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347085Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011063633A1 (en) * | 2009-11-27 | 2011-06-03 | 齐齐哈尔轨道交通装备有限责任公司 | Freight car bogie and freight car |
| CN102632901A (en) * | 2012-05-04 | 2012-08-15 | 济南轨道交通装备有限责任公司 | Torsional framework type steering frame |
| CN102673592A (en) * | 2011-03-10 | 2012-09-19 | 东洋橡胶工业株式会社 | Rubber stopper |
-
2008
- 2008-12-23 CN CNU2008202338192U patent/CN201347085Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011063633A1 (en) * | 2009-11-27 | 2011-06-03 | 齐齐哈尔轨道交通装备有限责任公司 | Freight car bogie and freight car |
| US8448580B2 (en) | 2009-11-27 | 2013-05-28 | Qiqihar Railway Rolling Stock Co., Ltd. | Freight car bogie and freight car |
| CN102673592A (en) * | 2011-03-10 | 2012-09-19 | 东洋橡胶工业株式会社 | Rubber stopper |
| CN102673592B (en) * | 2011-03-10 | 2016-01-13 | 东洋橡胶工业株式会社 | Rubber stopper |
| CN102632901A (en) * | 2012-05-04 | 2012-08-15 | 济南轨道交通装备有限责任公司 | Torsional framework type steering frame |
| CN102632901B (en) * | 2012-05-04 | 2015-02-11 | 济南轨道交通装备有限责任公司 | Torsional framework type steering frame |
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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: 20091118 |