CN202243507U - Sleeper beam and chassis of rail wagon - Google Patents
Sleeper beam and chassis of rail wagon Download PDFInfo
- Publication number
- CN202243507U CN202243507U CN2011203791336U CN201120379133U CN202243507U CN 202243507 U CN202243507 U CN 202243507U CN 2011203791336 U CN2011203791336 U CN 2011203791336U CN 201120379133 U CN201120379133 U CN 201120379133U CN 202243507 U CN202243507 U CN 202243507U
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- CN
- China
- Prior art keywords
- sleeper beam
- limit
- edge
- lower cover
- cover plate
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- 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 provides a sleeper beam and a chassis of a rail wagon. The sleeper beam comprises an upper cover plate, a web plate and a lower cover plate, the web plate is fixed between the upper cover plate and the lower cover plate, the lower cover plate is provided with a first edge, a second edge and a third edge, the first edge is used for being connected with a towing beam, the second edge is used for being connected with a side beam, the third edge is adjacent to the first edge and the second edge and is far away from the end of the side beam, the first edge is parallel to the second edge, and a bump is arranged on an extension line, which runs along the second edge, of the third edge. The sleeper beam is characterized in that an extending portion is arranged on an extension line of bump. By the aid of the extending portion of the lower cover plate of the sleeper beam, the rigidity of a joint of the side beam and the lower cover plate of the sleeper beam is in gradual transition instead of sudden change at the web plate of the sleeper beam, longitudinal force is obliquely transmitted from the lower cover plate instead of an original right-angled transmission, and accordingly stress at the joint of the side beam and the sleeper beam is reduced. In addition, rotational torque of the towing beam around the sleeper beam is suppressed, and damage to low-rigidity parts welded on the towing beam is avoided.
Description
Technical field
The utility model relates to the railway truck technology, relates in particular to a kind of sleeper beam and railway truck underframe.
Background technology
The railway truck underframe be divided into have elongated in underframe and the underframe of no elongated middle girder construction of girder construction.
The railway truck underframe of no elongated middle girder construction is as shown in Figure 1, comprises sleeper beam 11, draw beam 12 and curb girder 13.The structure that sleeper beam 11, draw beam 12 and curb girder 13 are formed is called for short the pillow pulling girder construction, is arranged in the underframe end of no elongated girder construction.Draw beam 12, curb girder 13 connect through sleeper beam 11.
There is the underframe of elongated middle girder construction as shown in Figure 2, comprises sleeper beam 21, central sill 22 and curb girder 23.
When vehicle bears longitudinal force; There is the underframe of elongated middle girder construction mainly to lean on central sill to transmit longitudinal force; And the underframe that does not have elongated middle girder construction leans on draw beam to be delivered to longitudinal force on the sleeper beam; Pass to elongated curb girder through sleeper beam then, come to be delivered to longitudinal force the other end of car again through elongated curb girder.Therefore, the pillow pulling girder construction be no elongated in crucial stressed node on the underframe railway truck of girder construction, directly influence railway truck property safe and reliable to operation.
Existing sleeper beam is as shown in Figure 3, comprises upper cover plate 31, web 32 and lower cover 33.Web 32 is fixed between upper cover plate 31 and the lower cover 33, and upper cover plate 31 is flat board with lower cover 33, and all has an opposite side parallel separately.Wherein, the side near draw beam on the upper cover plate 31 is wide slightly, and lower cover 33 is shaped as " I " font, and the pair of parallel limit is arranged, and promptly first limit and second limit are used for respectively being connected with curb girder with draw beam.Second edge that wherein is connected with curb girder curb girder has convexity, and this convexity is positioned at the 3rd vertical with second limit on the said lower cover 33 limit.When sleeper beam was installed on the railway truck underframe, the 3rd limit deviated from said railway truck underframe end, towards the middle part of curb girder.
Annexation between sleeper beam and curb girder and the draw beam is as shown in Figure 4, and the limit of pair of parallel is connected with curb girder 13, draw beam 12 respectively in upper cover plate 31 and the lower cover 33, and the two ends of web 32 also join with curb girder 13, draw beam 12 respectively mutually.
The defective that prior art exists is: because curb girder is elongated beam, receive the deadweight restriction, the rigidity of curb girder is less; Therefore, there is the unmatched problem of rigidity portion in the connecting portion of curb girder and sleeper beam, and promptly the web of sleeper beam and curb girder junction rigidity diminish suddenly; When longitudinal force is delivered to curb girder through sleeper beam; Curb girder is bigger in the distortion of junction, causes the stress of curb girder and sleeper beam junction generally bigger, even surpasses the permissible stress of the used material of curb girder.And when draw beam bore longitudinal force, because stress point is on the barycenter of draw beam, therefore, there was the trend of rotating around sleeper beam in draw beam under the effect of longitudinal force, promptly have twist moment.Because draw beam is non-elongated structure; The rotation trend of draw beam can only suppress by the headrest beam; When sleeper beam can not effectively suppress the moment of rotation of draw beam; To bear twisting resistance by other parts of the vehicle that is connected with draw beam, and cause destroying with the little rigidity parts of draw beam bonded assembly.
The utility model content
The utility model provides a kind of sleeper beam and railway truck underframe, is used for solving the curb girder that prior art exists and the general bigger problem of stress of sleeper beam junction.
The utility model provides a kind of sleeper beam; Comprise upper cover plate, web and lower cover; Said web is fixed between said upper cover plate and the said lower cover; Said lower cover have be used for draw beam bonded assembly first limit, be used for curb girder bonded assembly second limit and with said first limit, second limit is adjacent and deviate from the 3rd limit of said curb girder end, said first limit is parallel with said second limit, the extended line along said second limit on said the 3rd limit has convexity; Wherein, has extension on the extended line of said convexity.
Aforesaid sleeper beam, wherein, said extension begins the end to said extension from said convexity, and width reduces gradually.
Aforesaid sleeper beam, wherein, a side that deviates from the extended line on said second limit on the said extension is a curve.
Aforesaid sleeper beam, wherein, a side that deviates from the extended line on said second limit on the said extension is a straight line.
The utility model also provides a kind of railway truck underframe; Comprise draw beam and curb girder; Wherein, also comprise above-mentioned any sleeper beam, said draw beam and curb girder connect through said sleeper beam; The extending part of said sleeper beam is in the junction of said sleeper beam and said curb girder, and towards the middle part of said curb girder.
Sleeper beam that the utility model provides and railway truck underframe; The extension that has through the sleeper beam lower cover makes the rigidity at curb girder and sleeper beam lower cover handing-over position change into transition gradually by the sudden change at body bolster diaphragm place; The transmission of longitudinal force also becomes the oblique transmission from lower cover by original right angle transmission, thereby has reduced the stress at curb girder and sleeper beam handing-over position.And after one side of lower cover prolonged through extension, the whole torsion stiffness of sleeper beam significantly improved, and has effectively suppressed draw beam around the sleeper beam rotating moment, has avoided being welded on the destruction of the little rigidity parts on the draw beam.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the railway truck underframe of no elongated middle girder construction in the prior art;
Fig. 2 is the structural representation that the underframe of elongated middle girder construction is arranged in the prior art;
Fig. 3 is the structural representation of existing sleeper beam;
Fig. 4 is the annexation scheme drawing between sleeper beam and curb girder and the draw beam in the prior art;
Fig. 5 A is the structural representation of the sleeper beam that provides of the utility model embodiment one;
Fig. 5 B is the scheme drawing of the lower cover of sleeper beam shown in Fig. 5 A;
Fig. 6 A is the structural representation of the sleeper beam that provides of the utility model embodiment two;
Fig. 6 B is the scheme drawing of the lower cover of sleeper beam shown in Fig. 6 A;
The local structure scheme drawing of the railway truck underframe that Fig. 7 provides for the utility model embodiment three;
Fig. 8 is the end construction scheme drawing of railway truck underframe shown in Figure 7.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in 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 scope of the utility model protection.
Do further explain through embodiment one, two pairs of sleeper beams of embodiment below.
Embodiment one
Shown in Fig. 5 A, sleeper beam comprises upper cover plate 31, web 32 and lower cover 34, and said web 32 is fixed between said upper cover plate 31 and the said lower cover 34.
Wherein, Lower cover 34 is shown in Fig. 5 A, Fig. 5 B; Said lower cover have be used for draw beam bonded assembly first limit 341, be used for curb girder bonded assembly second limit 342 and with said first limit 341, second limit 342 is adjacent and deviate from the 3rd limit 35 of said curb girder end; Said first limit 341 is parallel with said second limit 342, and the extended line along said second limit 342 on the 3rd limit 35 of said lower cover 34 prolongs on existing protruding basis, and the part of prolongation is an extension 36.Said extension 36 original convexity from said the 3rd limit 35 begins to the end of said extension 36, and width reduces gradually.Side near said the 3rd limit 35 on the said extension 36 is a curve.
In the present embodiment; The extension that sleeper beam has through lower cover makes the rigidity at curb girder and sleeper beam lower cover handing-over position change into transition gradually by the sudden change at body bolster diaphragm place; The transmission of longitudinal force also becomes the oblique transmission from lower cover by original right angle transmission, thereby has reduced the stress at curb girder and sleeper beam handing-over position.And after one side of lower cover prolonged through extension, the whole torsion stiffness of sleeper beam significantly improved, and has effectively suppressed draw beam around the sleeper beam rotating moment, has avoided being welded on the destruction of the little rigidity parts on the draw beam.
Embodiment two
Present embodiment and the foregoing description one are basic identical, and difference is that the side near the one side with said extension on the extension is a straight line.
Shown in Fig. 6 A, Fig. 6 B, in this instance, the side near the 3rd limit 39 with this extension 38 on the extension 38 of lower cover 37 is a straight line, and the 3rd limit 39 and said first limit 341, second limit 342 is adjacent and deviate from said curb girder end.
Submit through three pairs of railway trucks of embodiment below and explain further details.
Embodiment three
As shown in Figure 7, the railway truck underframe comprises sleeper beam 14, draw beam 12 and curb girder 13, and said draw beam 12 and curb girder 13 connect through said sleeper beam 14.First limit 341 of sleeper beam 14 is connected with draw beam 12, and second limit 342 of sleeper beam 14 is connected with curb girder 13.
Said sleeper beam 14 can be the sleeper beam that any lower cover that provides in the foregoing description has extension.
The sleeper beam that provides with embodiment one is an example, and like Fig. 7, shown in Figure 8, extension 36 is positioned at the junction of said sleeper beam 14 and said curb girder 13, and deviates from the end of said curb girder 13, and promptly extension 36 is towards the middle part of said curb girder 13.
In this instance; The railway truck underframe promptly increases extension through the shape of the sleeper beam lower cover of change; Thereby changed the direction of transfer of longitudinal force; Realized curb girder and sleeper beam lower cover the handing-over position rigidity change into transition gradually by the sudden change at body bolster diaphragm place, reduced the stress of curb girder and sleeper beam junction, improved safe reliability.And; After the sleeper beam lower cover prolonged, the whole torsion stiffness of sleeper beam significantly improved, and suppressed the ability that draw beam rotates thereby improved sleeper beam; Reduced the stress of sleeper beam and curb girder, sleeper beam and draw beam connecting portion; Effectively suppressed draw beam around the sleeper beam rotating moment, avoided further having improved safe reliability being welded on the destruction of the little rigidity parts on the draw beam.
The prolongation that it will be understood by those skilled in the art that above-mentioned lower cover is not limited to the extension that the foregoing description provides, as long as can realize the transition gradually of the rigidity at curb girder and sleeper beam lower cover handing-over position.
What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. sleeper beam; Comprise upper cover plate, web and lower cover; Said web is fixed between said upper cover plate and the said lower cover; Said lower cover have be used for draw beam bonded assembly first limit, be used for curb girder bonded assembly second limit and with said first limit, second limit is adjacent and deviate from the 3rd limit of said curb girder end, said first limit is parallel with said second limit, the extended line along said second limit on said the 3rd limit has convexity; It is characterized in that having extension on the extended line of said convexity.
2. sleeper beam according to claim 1 is characterized in that said extension begins the end to said extension from said convexity, and width reduces gradually.
3. sleeper beam according to claim 2 is characterized in that, a side that deviates from the extended line on said second limit on the said extension is a curve.
4. sleeper beam according to claim 2 is characterized in that, extended line one side that deviates from said second limit on the said extension is a straight line.
5. railway truck underframe; Comprise draw beam and curb girder; It is characterized in that, also comprise each described sleeper beam of aforesaid right requirement 1-4, said draw beam and curb girder connect through said sleeper beam; The extending part of said sleeper beam is in the junction of said sleeper beam and said curb girder, and towards the middle part of said curb girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203791336U CN202243507U (en) | 2011-09-30 | 2011-09-30 | Sleeper beam and chassis of rail wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203791336U CN202243507U (en) | 2011-09-30 | 2011-09-30 | Sleeper beam and chassis of rail wagon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202243507U true CN202243507U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203791336U Expired - Lifetime CN202243507U (en) | 2011-09-30 | 2011-09-30 | Sleeper beam and chassis of rail wagon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202243507U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354710A (en) * | 2014-11-11 | 2015-02-18 | 南车青岛四方机车车辆股份有限公司 | Aluminum alloy sleeper beam structure and mounting method thereof |
| CN106627630A (en) * | 2016-10-17 | 2017-05-10 | 中车南京浦镇车辆有限公司 | Sleeper beam transition piece structure |
| WO2020133934A1 (en) * | 2018-12-25 | 2020-07-02 | 中车唐山机车车辆有限公司 | Railway car, car body thereof, and end underframe |
| CN112874632A (en) * | 2021-02-26 | 2021-06-01 | 中车齐齐哈尔车辆有限公司 | Vehicle body assembly and vehicle with same |
-
2011
- 2011-09-30 CN CN2011203791336U patent/CN202243507U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354710A (en) * | 2014-11-11 | 2015-02-18 | 南车青岛四方机车车辆股份有限公司 | Aluminum alloy sleeper beam structure and mounting method thereof |
| CN106627630A (en) * | 2016-10-17 | 2017-05-10 | 中车南京浦镇车辆有限公司 | Sleeper beam transition piece structure |
| CN106627630B (en) * | 2016-10-17 | 2018-11-27 | 中车南京浦镇车辆有限公司 | A kind of sleeper beam transition piece structure |
| WO2020133934A1 (en) * | 2018-12-25 | 2020-07-02 | 中车唐山机车车辆有限公司 | Railway car, car body thereof, and end underframe |
| CN112874632A (en) * | 2021-02-26 | 2021-06-01 | 中车齐齐哈尔车辆有限公司 | Vehicle body assembly and vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 VEHICLE CO., LTD. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |