EP3623249B1 - Châssis de remorque et bogie de remorque équipé de celui-ci - Google Patents
Châssis de remorque et bogie de remorque équipé de celui-ci Download PDFInfo
- Publication number
- EP3623249B1 EP3623249B1 EP17925537.7A EP17925537A EP3623249B1 EP 3623249 B1 EP3623249 B1 EP 3623249B1 EP 17925537 A EP17925537 A EP 17925537A EP 3623249 B1 EP3623249 B1 EP 3623249B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- brake
- brake beam
- plate
- seat
- connecting portion
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 description 10
- 239000000725 suspension Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000005266 casting Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005242 forging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
Definitions
- the present invention relates to the technical field of bogies, particularly relating to a trailer frame. Besides, the present invention further relates to a trailer bogie having the trailer frame.
- a bogie is an important component in a railway vehicle, the trailer bogie is installed at a lower side of a trailer body, and the trailer bogie generally includes a frame, a primary suspension, a secondary suspension, an axle box, a wheel set, a brake device and so on.
- the brake device includes a brake clamp, a brake seat is directly connected to a cross beam of the frame, the brake seat forms a cantilever structure with respect to the cross beam, and the brake clamp is connected to the corresponding brake seat.
- the brake seat is directly connected to the cross beam, and has a relatively long cantilever in the running direction of the vehicle.
- a connection region of the brake seat and the cross beam usually has a varying cross section. Therefore, under the frequent effect of the braking force, a problem of stress concentration on the cross beam in this region is serious, and relatively complicated structural and welding designs are usually required, thereby increasing the difficulties in design and machining of the cross beam.
- EP 2 783 939A1 discloses a bogie for high-speed railway vehicles, comprising a wheelset, a frame, a primary suspension system and a secondary suspension system; wherein the frame comprises side beams and an intermediate crossbeam, a middle part of each of the side beams is a concave portion, and both ends of the intermediate crossbeam are separately connected with the concave portions of the side beams; the primary suspension system comprises primary axle box suspension devices, one end of each of the primary axle box suspension devices is connected with a wheel axle of the wheelset, and the other end is supported at one end of one of the side beams; and the secondary suspension system comprises at least two spring sets, which are arranged at interval on the intermediate crossbeam and located between the side beams, and upper parts of the spring sets are connected with a carbody.
- an object of the present invention is to provide a trailer frame, the design and machining of a cross beam of the trailer frame is relatively convenient, and the stress concentration on the cross beam can reduced.
- Another object of the present invention is to provide a trailer bogie including the above trailer frame, the design and machining of the cross beam of the trailer frame is relatively convenient, and the stress concentration on the cross beam can be reduced.
- a trailer frame includes a cross beam and side beams fixedly arranged at two ends of the cross beam, and each of the side beams is an U-shaped structural beam, wherein a first brake beam located between the side beams is arranged in front of and above the cross beam, and a second brake beam located between the side beams is arranged in rear of and above the cross beam; the first brake beam is parallel with the second brake beam, two ends of each of the first brake beam and the second brake beam are fixedly connected to inner sides of the side beams respectively, and are each provided with a brake seat for mounting a brake device; the first brake beam has multiple brake seats, the multiple brake seats of the first brake beam are located at a front side of the first brake beam and are transversely arranged at intervals on the first brake beam; the second brake beam has multiple brake seats, and the multiple brake seats of the second brake beam are located at a rear side of the second brake beam and are transversely arranged at intervals on the second brake beam.
- an upper cover plate of the side beam extends inward at a position corresponding to the first brake beam and the second brake beam, to form a connecting plate; two ends of each of the first brake beam and the second brake beam are each provided with a connecting portion located below the corresponding connecting plate, and are connected to a side plate of the side beam and the connecting plate through the connecting portion.
- the connecting portion is an U-shaped plate having an opening facing the corresponding connecting plate, an U-shaped end surface of the connecting portion is welded to the side plate of the side beam, and a top end surface of the connecting portion is welded to a lower surface of the connecting plate.
- the first brake beam and the second brake beam each includes a radial flange at a position of a root of the corresponding connecting portion, and the radial flange abuts against the connecting plate and the connecting portion.
- the radial flange has an arc-shaped edge corresponding to the connecting portion and straight edges located at two sides of the arc-shaped edge, and has a laterally widened portion corresponding to the connecting plate.
- the brake seat is provided with four hanging points for mounting the brake device through hanging at the four points.
- a back of the brake seat is C-shaped, and is arranged to match an outer surface of the first brake beam or the second brake beam respectively.
- the brake seat includes a horizontal seat plate and an upper skirt on a top of the seat plate and a lower skirt on a bottom of the seat plate, and a height of the upper skirt and a height of the lower skirt gradually increase from a front end to a root of the seat plate.
- a trailer bogie includes the trailer frame according to any one of the above solutions.
- the brake seats are arranged on the first brake beam and the second brake beam, which, compared with the conventional technology in which the brake seats are directly fixed on the cross beam, can simplify the manufacturing technique of the cross beam, make the design and machining of the cross beam easier and reduce the stress concentration on the cross beam, and can also reduce the amount of welding on the cross beam and greatly reduce the load that the cross beam is required to bear.
- the first brake beam and the second brake beam are supported between the two side beams, which can improve the stability of the frame to prevent the deformation of the frame.
- the trailer bogie includes the trailer frame according to the present invention, and by employing the trailer frame, the trailer bogie can simplify the manufacturing technique of the cross beam, make the design and machining of the cross beam easier and reduce the stress concentration on the cross beam.
- An aspect of the present invention is to provide a trailer frame, and the design and machining of a cross beam of the trailer frame is relatively convenient and the stress concentration on the cross beam can be reduced.
- Another aspect of the present invention is to provide a trailer bogie including the above trailer frame, and the design and machining of the cross beam of the trailer frame is relatively convenient and the stress concentration on the cross beam can be reduced.
- Figure 1 is a schematic view showing the structure of a trailer frame according to the present invention
- Figure 2 is an enlarged view showing a portion A in Figure 1
- Figure 3 is an enlarged view showing a portion B in Figure 1
- Figure 4 is a schematic view showing the structure of a trailer bogie according to the present invention.
- a specific embodiment of the trailer frame according to the present invention includes a frame.
- the frame includes a cross beam 1 and two side beams 2 fixedly arranged at two ends of the cross beam 1.
- Each of the two side beams 2 is an U-shaped structural beam, and an end portion of the cross beam 1 is usually connected to a downward concaved portion of the side beam 2.
- a first brake beam 3 located between the side beams 2 is arranged in front of and above the cross beam 1
- a second brake beam 5 located between the side beams 2 is arranged in rear of and above the cross beam 1
- the first brake beam 3 is parallel with the second brake beam 5.
- the first brake beam 3 and the second brake beam 5 are each provided with a brake seat 4 for mounting a brake device.
- the first brake beam 3 has multiple brake seats 4, the multiple brake seats 4 are located at a front side of the first brake beam 3, and all of the brake seats 4 of the first brake beam 3 are transversely arranged at intervals on the first brake beam 3.
- the second brake beam 5 has multiple brake seats 4, the multiple brake seats 4 of the second brake beam 5 are located at a rear side of the second brake beam 5, and all of the brake seats 4 of the second brake beam 5 are transversely arranged at intervals on the second brake beam 5.
- the first brake beam 3 and the second brake beam 5 may be fixedly connected to the side beams 2 by welding.
- the trailer frame may be manufactured by welding, forging, casting and combination of various machining methods.
- the brake seats 4 are arranged on the first brake beam 3 and the second brake beam 5, which, compared with the conventional technology in which the brake seats 4 are directly fixed on the cross beam 1, can simplify the manufacturing technique of the cross beam 1, make the design and machining of the cross beam 1 easier and reduce the stress concentration on the cross beam 1, and can also reduce the amount of welding on the cross beam 1 and greatly reduce the load that the cross beam 1 is required to bear.
- the first brake beam 3 and the second brake beam 5 are supported between the two side beams 2, which can improve the stability of the frame to prevent the deformation of the frame.
- an upper cover plate of the side beam 2 extends inward at a position corresponding to the first brake beam 3 and the second brake beam 5, to form a connecting plate 21.
- “Extending inward” herein refers to that the connecting plate 21 on one of the side beams 2 extends toward the other one of the side beams 2.
- Two ends of each of the first brake beam 3 and the second brake beam 5 are respectively provided with a connecting portion 6 located below the corresponding connecting plate 21, and are connected to a side plate of the side beam 2 and the connecting plate 21 through the connecting portion 6.
- the arrangement of the connecting plate 21 can increase a connecting area between the brake beam and the side beam 2, besides, a part of the structure of the upper cover plate of the side beam 2 is separately extended to connect the first brake beam 3 and the second brake beam 5, which can prevent the first brake beam 3 and the second brake beam 5 from occupying a space used for connecting other components on the side beams 2, thus preventing the first brake beam 3 and the second brake beam 5 from interfering with other components on the side beams 2.
- the connecting portion 6 is an U-shaped plate having an opening facing the corresponding connecting plate 21, an U-shaped end surface of the connecting portion 6 is welded to the side plate of the side beam 2, and a top end surface of the connecting portion 6 is welded to a lower surface of the connecting plate 21.
- the connecting portion 6 may also be a C-shaped plate, a polygonal frame or other structures.
- the first brake beam 3 and the second brake beam 5 may each has a radial flange 7 at a position of a root of the corresponding connecting portion 6, and the radial flange 7 abuts against the connecting plate 21 and the connecting portion 6.
- the radial flange 7 may have an arc-shaped edge corresponding to the connecting portion 6 and straight edges located at two sides of the arc-shaped edge, and has a laterally widened portion corresponding to the connecting plate 21.
- a bottom of an abutting plate is the arc-shaped edge
- the portions above the arc-shaped edge are the straight edges
- the portion above the straight edge is the laterally widened portion matching the connecting plate 21 in shape.
- the brake seat 4 may specifically be provided with four hanging points 41 for mounting the brake device through hanging at the four points, so as to ensure the reliable connection of the brake device.
- a back of the brake seat 4 may be C-shaped, and is arranged to match an outer surface of the first brake beam 3 or the second brake beam 5 correspondingly.
- the back of the brake seat 4 is C-shaped so that a part of the brake seat 4 is located at an upper side of the first brake beam 3 or the second brake beam 5 and another part of the brake seat 4 is located at a lower side of the first brake beam 3 or the second brake beam 5, thereby enhancing the reliability of the connection.
- the first brake beam 3 and the brake seat 4 may be an integral casting piece or an integral forging piece
- the second brake beam 5 and the brake seat 4 may be an integral casting piece or an integral forging piece, to ensure the overall structural strength.
- the first brake beam 3 and the brake seat 4, as well as the second brake beam 5 and the brake seat 4 may also be separately formed and then be connected by welding or other manners.
- the brake seat 4 may include a horizontal seat plate and an upper skirt on a top of the seat plate and a lower skirt on a bottom of the seat plate, wherein a height of the upper skirt and a height of the lower skirt both gradually increase from a front end to a root of the seat plate.
- the heights of the upper skirt and the lower skirt of the brake seat 4 gradually increase from the front end to the root of the seat plate, which can ensure the strength at the joint between the brake seat 4 and the first brake beam 3 or the second brake beam 5, and meanwhile reduce the weight of the brake seat 4 and save the materials.
- the seat plate may be embodied as a rectangular plate, and the four hanging points 41 are located at four top points of the brake seat 4, to facilitate the positioning of the hanging points 41, thereby ensuring the reliability of the hanging.
- the first brake beam 3 and the second brake beam 5 may employ the integrally casting structure, which facilitates reducing the space occupied by the first brake beam 3 and the second brake beam 5 in the bogie, and ensures that the first brake beam 3 and the second brake beam 5 both have a relatively high strength to meet the bearing needs.
- the first brake beam 3 and the second brake beam 5 may also be formed by segmental forging or by casting and welding or may adopt other structural forms.
- the number of the brake seats 4 on the first brake beam 3 and the second brake beam 5 can be set according to actual situations.
- the number of the brake seat 4 may be two, three, or four.
- a certain number of partitions may be arranged in the cross beam 1 and the side beam 2 as needed to further increase the torsional strength of the frame.
- a lightening hole can be arranged in the partition to reduce an overall weight of the bogie and save the material as much as possible while meeting strength requirements of the bogie.
- a trailer bogie including the trailer frame provided in the above embodiments is further provided according to the present invention.
- the trailer bogie can simplify the manufacturing technique of the cross beam 1, make the design and machining of the cross beam 1 easier and reduce the stress concentration on the cross beam 1. Structures of other parts of the trailer bogie can be referred to the conventional technology and will not be described herein.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Claims (7)
- Châssis de remorque, comprenant une traverse (1) et des poutres latérales (2) disposées de manière fixe à deux extrémités de la traverse (1), et chaque poutre latérale (2) étant une poutre de structure en forme de U, dans lequel une première poutre-frein (3) située entre les poutres latérales (2) est disposée devant et au-dessus de la traverse (1) et une deuxième poutre-frein (5) située entre les poutres latérales (2) est disposée à l'arrière et au-dessus de la traverse (1) ; la première poutre-frein (3) est parallèle à la deuxième poutre-frein (5), deux extrémités de chacune poutre-frein la première poutre-frein (3) et la deuxième poutre-frein (5) sont reliées fixement à des côtés intérieurs des poutres latérales (2) respectivement, et la première poutre-frein (3) et la deuxième poutre-frein (5) sont fournies chacune avec un siège de frein (4) destiné au montage d'un dispositif de freinage ; la première poutre-frein (3) présente une pluralité de sièges de frein (4), et la pluralité des sièges de frein (4) de la première poutre-frein (3) sont situés sur un côté avant de la première poutre-frein (3) et sont disposés de manière transversale à des intervalles sur la première poutre-frein (3) ; la deuxième poutre-frein (5) présente une pluralité de sièges de frein (4), et la pluralité de sièges de frein (4) de la deuxième poutre-frein (5) sont situés sur un côté arrière de la deuxième poutre-frein (5) et sont disposés de manière transversale à des intervalles sur la deuxième poutre-frein (5) ;
caractérisé en ce queune plaque supérieure de recouvrement de la poutre latérale (2) s'étend à l'intérieur sur une position correspondant à la première poutre-frein (3) et à la deuxième poutre-frein (5) pour former une plaque de liaison (21) ; deux extrémités de chaque poutre-frein parmi la première poutre-frein (3) et la deuxième poutre-frein (5) sont fournies chacune avec une partie de liaison (6) située sous la plaque de liaison (21) correspondante, et la première poutre-frein (3) et la deuxième poutre-frein (5) sont reliées chacune à une plaque latérale de la poutre latérale (2) et la plaque de liaison (21) par la partie de liaison (6) respective ; et dans lequella partie de liaison (6) est une plaque en forme de U présentant une ouverture faisant face à la plaque de liaison (21) correspondante, une surface d'extrémité en forme de U de la partie de liaison (6) est soudée à la plaque latérale de la poutre latérale (2), et une surface d'extrémité supérieure de la partie de liaison (6) est soudée à une surface inférieure de la plaque de liaison (21). - Châssis de remorque selon la revendication 1, dans lequel la première poutre-frein (3) et la deuxième poutre-frein (5) comprennent chacune une bride radiale (7) sur une position d'une racine de la partie de liaison (6) correspondante, et la bride radiale (7) vient buter contre la plaque de liaison (21) et la partie de liaison (6).
- Châssis de remorque selon la revendication 2, dans lequel la bride radiale (7) présente un bord en forme d'arc correspondant à la partie de liaison (6) et des bords droits situés sur deux côtés du bord en forme d'arc, et présente une partie élargie latéralement correspondant à la plaque de liaison.
- Châssis de remorque selon l'une quelconque des revendications 1 à 3, dans lequel le siège de frein (4) est fourni avec quatre points de suspension (41) destinés au montage du dispositif de freinage par suspension sur les quatre points.
- Châssis de remorque selon la revendication 4, dans lequel un dossier du siège de frein (4) est en forme de C et est disposé de manière à correspondre à une surface extérieure de la première poutre-frein (3) ou de la deuxième poutre-frein (5).
- Châssis de remorque selon la revendication 4, dans lequel le siège de frein (4) comprend une plaque de siège horizontale et une jupe supérieure sur une face supérieure de la plaque de siège et une jupe inférieure sur une face inférieure de la plaque de siège, et une hauteur de la jupe supérieure et une hauteur de la jupe inférieure augmentent graduellement depuis une extrémité avant à une racine de la plaque de siège.
- Bogie de remorque comprenant le châssis de remorque selon l'une quelconque des revendications 1 à 6.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721202607.3U CN207225370U (zh) | 2017-09-19 | 2017-09-19 | 一种拖车构架及具有该拖车构架的拖车转向架 |
CN201710848349.4A CN107472283B (zh) | 2017-09-19 | 2017-09-19 | 一种拖车构架及具有该拖车构架的拖车转向架 |
PCT/CN2017/119273 WO2019056642A1 (fr) | 2017-09-19 | 2017-12-28 | Châssis de remorque et bogie de remorque équipé de celui-ci |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3623249A1 EP3623249A1 (fr) | 2020-03-18 |
EP3623249A4 EP3623249A4 (fr) | 2021-02-24 |
EP3623249B1 true EP3623249B1 (fr) | 2023-03-01 |
Family
ID=65273676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17925537.7A Active EP3623249B1 (fr) | 2017-09-19 | 2017-12-28 | Châssis de remorque et bogie de remorque équipé de celui-ci |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3623249B1 (fr) |
RU (1) | RU2678797C1 (fr) |
WO (1) | WO2019056642A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113682337B (zh) * | 2021-09-26 | 2022-11-22 | 中车青岛四方机车车辆股份有限公司 | 转向架的侧梁、转向架、轨道车辆和侧梁的成型工艺 |
CN115123333B (zh) * | 2022-07-29 | 2023-05-23 | 中车唐山机车车辆有限公司 | 一种单轮对拖车转向架 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201183494Y (zh) * | 2008-08-15 | 2009-01-21 | 铁道部运输局 | 高速动车组的拖车转向架构架 |
RU2454342C2 (ru) * | 2009-10-08 | 2012-06-27 | Открытое Акционерное Общество "Российские Железные Дороги" | Немоторная тележка высокоскоростного железнодорожного транспортного средства |
WO2013091319A1 (fr) * | 2011-12-23 | 2013-06-27 | 济南轨道交通装备有限责任公司 | Bogie de véhicule ferroviaire à grande vitesse |
EP2660120B1 (fr) * | 2012-05-03 | 2017-06-28 | CRRC Shandong Co., Ltd. | Bogie de véhicule ferroviaire |
CN202879513U (zh) * | 2012-10-26 | 2013-04-17 | 南车青岛四方机车车辆股份有限公司 | 轨道车辆拖车转向架构架 |
RU2558420C1 (ru) * | 2014-03-19 | 2015-08-10 | Открытое акционерное общество "МЕТРОВАГОНМАШ" | Моторная тележка железнодорожного транспортного средства |
DE112015003399B4 (de) * | 2015-02-05 | 2021-02-11 | Crrc Qingdao Sifang Co., Ltd. | Fahrwerk für einen hochgeschwindigkeitsschienenzug und rahmen davon |
CN104802822A (zh) * | 2015-04-29 | 2015-07-29 | 长春轨道客车股份有限公司 | 标准动车组拖车转向架构架 |
RU159661U1 (ru) * | 2015-06-01 | 2016-02-20 | Публичное акционерное общество "Крюковский вагоностроительный завод" (ПАО "КВСЗ") | Приводная тележка вагонов электропоезда |
CN205311621U (zh) * | 2016-01-07 | 2016-06-15 | 中车青岛四方机车车辆股份有限公司 | 一种拖车转向架构架 |
CN107472283B (zh) * | 2017-09-19 | 2023-10-27 | 中车长春轨道客车股份有限公司 | 一种拖车构架及具有该拖车构架的拖车转向架 |
-
2017
- 2017-12-28 EP EP17925537.7A patent/EP3623249B1/fr active Active
- 2017-12-28 WO PCT/CN2017/119273 patent/WO2019056642A1/fr unknown
-
2018
- 2018-03-26 RU RU2018110581A patent/RU2678797C1/ru active
Also Published As
Publication number | Publication date |
---|---|
EP3623249A1 (fr) | 2020-03-18 |
WO2019056642A1 (fr) | 2019-03-28 |
EP3623249A4 (fr) | 2021-02-24 |
RU2678797C1 (ru) | 2019-02-01 |
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