CN103171571B - Railroad car and rolling stock - Google Patents
Railroad car and rolling stock Download PDFInfo
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- CN103171571B CN103171571B CN201310106013.2A CN201310106013A CN103171571B CN 103171571 B CN103171571 B CN 103171571B CN 201310106013 A CN201310106013 A CN 201310106013A CN 103171571 B CN103171571 B CN 103171571B
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- edge strip
- top board
- bearing pin
- railroad car
- strip body
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Abstract
The invention provides a kind of railroad car and rolling stock.Comprise: underframe, side wall, and top board, top board is provided with at least two edge strips, and at least two edge strips are along car body longitudinal arrangement; Edge strip comprises microscler edge strip body and vertically disposed connection bearing pin, and edge strip body is hinged on top board by connecting bearing pin; The first spacing distance is formed between two adjacent edge strips.This railroad car, can reduce in rolling stock operational process, the eddy current that crosswind is formed at car body leeward side is assembled, and at the pulling force that topples that reduction eddy current is formed car body, thus effectively reduce the possibility occurring rollover occurs during rolling stock runs, significantly improve traffic safety.
Description
Technical field
The present invention relates to rolling stock manufacturing technology, particularly relate to a kind of railroad car and rolling stock.
Background technology
Rolling stock is in operational process, moment is subject to the resistance that air produces it, concerning the rolling stock run along rail, the resistance wind that air flowing is formed can divide for by rolling stock headstock dead ahead blow windward and the crosswind blown by rolling stock side direction (perpendicular to rolling stock service direction), and crosswind act as on car body the principal element affecting train operation.
Fig. 1 is that railroad car crosswind of the prior art flows to schematic diagram; Fig. 2 is the strained condition schematic diagram of car body under crosswind situation in Fig. 1; As depicted in figs. 1 and 2, when crosswind F is by when flowing through car body 10 on the left of car body 10, due to the leeward side of car body 10 in such as Fig. 2 A place and/or B place air pressure lower, form zone of negative pressure, cause airflow reflux, and then form eddy current in these positions and assemble W.
Rolling stock stressed except self gravitation G, rail are to except the horizontal applied force Y of wheel and vertical Z, also be subject to the thrust F1 of the side direction that crosswind is formed on the left of car body 10, eddy current assembles the tensile force f 2 that topples that W is formed, when the thrust (F1+F2) of side direction is greater than the horizontal applied force Y of track to car body, topple in the side that car body will produce to being formed with eddy current and assembling W.Visible, the eddy current formed at vehicle body side due to crosswind is assembled, and is easy to cause car body rollover, serious harm traffic safety.
Summary of the invention
For above-mentioned defect of the prior art, the invention provides a kind of railroad car, the eddy current caused in the leeward side of car body for reducing crosswind is assembled, and reduces the possibility of car body rollover.
The invention provides a kind of railroad car, comprise: underframe, be arranged on the side wall of described underframe both sides, and be formed at the top board at side wall top described in two, described top board is provided with at least two edge strips, and described at least two edge strips are along described car body longitudinal arrangement; Described edge strip comprises microscler edge strip body and vertically disposed connection bearing pin, and described edge strip body is hinged on described top board by described connection bearing pin; The first spacing distance is formed between two adjacent described edge strips.
The present invention also provides a kind of rolling stock, comprises power compartment and non-powered compartment, and described power compartment and non-powered compartment comprise bogie truck respectively, and is arranged on railroad car on described bogie truck, as above.
Railroad car provided by the invention and rolling stock, by arranging the edge strip of longitudinal arrangement on top board, can reduce in rolling stock operational process, the eddy current that crosswind is formed at car body leeward side is assembled, and at the pulling force that topples that reduction eddy current is formed car body, thus effectively reduce the possibility occurring rollover occurs during rolling stock runs, significantly improve traffic safety.
Accompanying drawing explanation
Fig. 1 is that railroad car crosswind of the prior art flows to schematic diagram;
Fig. 2 is the strained condition schematic diagram of car body under crosswind situation in Fig. 1;
Fig. 3 is the structural representation of railroad car embodiment of the present invention;
Fig. 4 is the birds-eye view of Fig. 3;
Fig. 5 is C place enlarged drawing in Fig. 3;
Fig. 6 is that crosswind flows to schematic diagram after the railroad car in Fig. 3.
Detailed description of the invention
" longitudinal direction " described in the present invention refers to the length direction that rolling stock extends, and " transverse direction " refers to the direction perpendicular to longitudinal direction, and " front " refers to rolling stock service direction, and " afterwards " refers to and front contrary direction.
Fig. 3 is the structural representation of railroad car embodiment of the present invention; Fig. 4 is the birds-eye view of Fig. 3; Fig. 5 is C place enlarged drawing in Fig. 3; Please refer to Fig. 1-3, the present embodiment provides a kind of railroad car, comprising: underframe 32, be arranged on the side wall 31 of underframe 32 both sides, and be formed at the top board 33 at both walls 31 top, top board 33 is provided with at least two edge strips 34, and at least two edge strips 34 are along car body longitudinal arrangement; Edge strip 34 comprises microscler edge strip body 340 and vertically disposed connection bearing pin 341, and edge strip body 340 is hinged on top board 33 by connecting bearing pin 341; The first spacing distance is formed between two adjacent edge strips 34.
Particularly, underframe 32 can in the rectangle longitudinally arranged, and the side wall 31 extended longitudinally is fixedly installed on the both sides of underframe, and can also be provided with at the forward and backward two ends of underframe 32 headwall extended transversely; Underframe 32, side wall 31 and headwall surround the guest room for holding passenger, and seal up the top of this guest room by the top board 33 at top.Wherein, the cross-sectional plane of top board 33 is generally in convex, and the straight line that forms of the vertex of each convex cross-sectional plane can as the symmetrical center line of car body, two parts that car body can be divided into left and right identical by the symmetrical center line of this longitudinal extension; Edge strip 34 can be positioned at the center of the cross-sectional plane of top board 33, and the straight line that namely multiple edge strip 34 arrangement is formed can overlap with above-mentioned symmetrical center line; Certainly, edge strip 34 also can be positioned at other position of top board 33, and multiple edge strip 34 arranges the straight line formed also can be parallel to above-mentioned symmetrical center line; Such as, edge strip 34 is all positioned at the junction of top board 33 and side side wall 31.
Edge strip body 340 is in elongate structure, and its bottom shape can match with the end face of top board 33, and its end face can be curved surface, and the height of edge strip body 340 end face front portion can be greater than rear portion; Preferably, the longitudinal profile of edge strip body 340 can adopt aerofoil section, minimum to make the resistance of air-flow be kept to.Certainly, the shape and size of edge strip body 340 can also set according to vehicle carrying out practically operating mode; Accordingly, the first spacing distance between two adjacent edge strips 34 also can set according to concrete dimensional parameters, and can by the front end of edge strip body 340 and top board 33 hinged, with ensure each edge strip 34 can independently relatively top board 33 horizontally rotate.Edge strip body 340 be connected bearing pin 341 and can be structure as a whole, connect bearing pin 341 can vertically be located on top board 33, hinged with what realize between edge strip body 340 and top board 33, and guarantee that edge strip body 340 is with connecting bearing pin 341 together around the central axis connecting bearing pin 341.
Fig. 6 is that crosswind flows to schematic diagram after the railroad car in Fig. 3, as shown in Figure 6, when rolling stock runs, along Fig. 6, the apparent wind that the railroad car that outside air flowing provides relative to the present embodiment is formed shows that K direction blows to car body, rotate around connection bearing pin 341 then driving edge strip body 340 under wind action, apparent wind is flow through respectively from the gap between each edge strip 34, namely apparent wind is separated into multiply air-flow K1 after edge strip 34, after these air-flows K1 flow to car body opposite side, form eddy current respectively, avoid and occur that eddy current of the prior art is assembled, and the position of eddy current that formed of per share air-flow K1 all can be less than in prior art to the transverse distance of side wall 31 eddy current that the car body that do not arrange edge strip formed, namely the pulling force that topples that formed car body of each eddy current is also less.
Visible, the railroad car that the present embodiment provides, by arranging the edge strip of longitudinal arrangement on top board, can reduce in rolling stock operational process, the eddy current that crosswind is formed at car body leeward side is assembled, and at the pulling force that topples that reduction eddy current is formed car body, thus effectively reduce the possibility occurring rollover occurs during rolling stock runs, significantly improve traffic safety.
Preferably, as shown in Figure 5, top board 33 end face can be arranged and install counterbore 331, the bottom connecting bearing pin 341 is arranged on by bearing 332 installs in counterbore 331, and the top connecting bearing pin 341 is fixedly connected with edge strip body 340.Wherein, installing counterbore 331 can be equilateral polygon, and the outer ring of bearing 332 can, with the mating shapes installing counterbore 331, be fixed in installation counterbore 331 to make the outer ring of bearing 332; The inner ring of bearing 332 then can be located at by mode fixed covers such as interference fit and connect bearing pin 341 bottom, like this when connecting bearing pin 341 and rotating with edge strip body 340, the inner ring of bearing 332 also can with the outer ring rotating connecting the relative bearing 332 of bearing pin 341, namely, the relatively rotating between inner ring and outer ring being converted into bearing 332 is relatively rotated between bearing pin 341 bottom and top board 33 by connecting, and then just effectively reduce friction force by the ball of bearing 332 inside, avoid the wearing and tearing to parts, improve service life.
Further, the bottom surface of edge strip body 340 contacts with the end face of top board 33, the bottom surface of edge strip body 340 is provided with connection counterbore, connect the top of bearing pin 341 to be arranged in this connection counterbore, and by run through the set pin 342 that connects bearing pin 341 by edge strip body 340 be connected bearing pin 341 and be fixed together.Such as, vertically extending connection counterbore can be started on edge strip body 340, and bearing of trend is perpendicular to the fixed orifice of this connection counterbore, after the connection penetrating into this connection counterbore by connecting bearing pin 341, completing between edge strip body 340 and top board 33, again set pin 342 is penetrated in this connection bearing pin 341 via above-mentioned fixed orifice, complete and connect relative fixing with between edge strip body 340 of bearing pin 341.The present embodiment adopts the mode of set pin be fixedly connected with edge strip body 340 and be connected bearing pin 341, connects reliable, and facilitates the assembly manipulation of edge strip.
Another embodiment of the present invention provides a kind of rolling stock, comprises power compartment and non-powered compartment, and this power compartment and non-powered compartment comprise bogie truck respectively, and is arranged on bogie truck, as above arbitrary described railroad car; Wherein, 26S Proteasome Structure and Function and the previous embodiment of railroad car are similar, repeat no more herein.
Particularly, when this rolling stock comprises the power compartment of multiple, scattering device, EMU can be formed.
The rolling stock that the present embodiment provides, by arranging the edge strip of longitudinal arrangement on the top board of car body, can reduce in rolling stock operational process, the eddy current that crosswind is formed at car body leeward side is assembled, and at the pulling force that topples that reduction eddy current is formed car body, thus effectively reduce the possibility occurring rollover occurs during rolling stock runs, especially can significantly improve the safety in operation of EMU.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a railroad car, comprising: underframe, is arranged on the side wall of described underframe both sides, and be formed at the top board at side wall top described in two, it is characterized in that, described top board is provided with at least two edge strips, and described at least two edge strips are along described car body longitudinal arrangement; Described edge strip comprises microscler edge strip body and vertically disposed connection bearing pin, and described edge strip body is hinged on described top board by described connection bearing pin; Form the first spacing distance between two adjacent described edge strips, the bottom surface of the edge strip body of described edge strip contacts with the end face of described top board.
2. railroad car according to claim 1, it is characterized in that, described top board end face is provided with installation counterbore, and the bottom of described connection bearing pin is arranged in described installation counterbore by bearing, and the top of described connection bearing pin is fixedly connected with described edge strip body.
3. railroad car according to claim 2, is characterized in that, described installation counterbore is equilateral polygon, the outer ring of described bearing and the mating shapes of described installation counterbore, and the outer ring of described bearing is fixed in described installation counterbore.
4. the railroad car according to Claims 2 or 3, it is characterized in that, the bottom surface of described edge strip body contacts with the end face of described top board, the bottom surface of described edge strip body is provided with connection counterbore, the top of described connection bearing pin is arranged in described connection counterbore, and described edge strip body and described connection bearing pin is fixed together by the set pin running through described connection bearing pin.
5. railroad car according to claim 4, is characterized in that, the cross-sectional plane of described top board is curved, and described edge strip is positioned at the center of the cross-sectional plane of described top board.
6. a rolling stock, comprises power compartment and non-powered compartment, it is characterized in that, described power compartment and non-powered compartment comprise bogie truck respectively, and be arranged on described bogie truck, as arbitrary in claim 1-5 as described in railroad car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106013.2A CN103171571B (en) | 2013-03-28 | 2013-03-28 | Railroad car and rolling stock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106013.2A CN103171571B (en) | 2013-03-28 | 2013-03-28 | Railroad car and rolling stock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103171571A CN103171571A (en) | 2013-06-26 |
| CN103171571B true CN103171571B (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310106013.2A Active CN103171571B (en) | 2013-03-28 | 2013-03-28 | Railroad car and rolling stock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103171571B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602299B (en) * | 2021-10-08 | 2022-02-15 | 中国空气动力研究与发展中心计算空气动力研究所 | Telescopic wing device for regulating aerodynamic force of high-speed train, high-speed train and control method |
| CN114633770B (en) * | 2022-03-28 | 2023-11-28 | 中南大学 | Train for improving operation safety in high wind environment by using active blowing and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2118127A (en) * | 1933-07-26 | 1938-05-24 | William A Wulle | High speed vehicle |
| CN101104410A (en) * | 2007-03-23 | 2008-01-16 | 西南交通大学 | Train side wind wing |
| CN101475005A (en) * | 2008-08-08 | 2009-07-08 | 刘庭驹 | Rail airplane |
| RU2409488C1 (en) * | 2009-10-19 | 2011-01-20 | Юлия Алексеевна Щепочкина | Railway car |
| CN202175053U (en) * | 2011-08-15 | 2012-03-28 | 中国航空工业集团公司西安飞机设计研究所 | Wing device for high-speed train |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100528097B1 (en) * | 2003-10-15 | 2005-11-15 | 한국철도기술연구원 | Lift device for railway vehicle |
-
2013
- 2013-03-28 CN CN201310106013.2A patent/CN103171571B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2118127A (en) * | 1933-07-26 | 1938-05-24 | William A Wulle | High speed vehicle |
| CN101104410A (en) * | 2007-03-23 | 2008-01-16 | 西南交通大学 | Train side wind wing |
| CN101475005A (en) * | 2008-08-08 | 2009-07-08 | 刘庭驹 | Rail airplane |
| RU2409488C1 (en) * | 2009-10-19 | 2011-01-20 | Юлия Алексеевна Щепочкина | Railway car |
| CN202175053U (en) * | 2011-08-15 | 2012-03-28 | 中国航空工业集团公司西安飞机设计研究所 | Wing device for high-speed train |
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| Publication number | Publication date |
|---|---|
| CN103171571A (en) | 2013-06-26 |
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Address after: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee after: CRRC TANGSHAN CO., LTD. Address before: 063035 Hebei province Fengrun District Tangshan City Road No. 3 factory Patentee before: Tangshan Railway Carriage Co., Ltd. |
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