WO2019056642A1 - 一种拖车构架及具有该拖车构架的拖车转向架 - Google Patents

一种拖车构架及具有该拖车构架的拖车转向架 Download PDF

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Publication number
WO2019056642A1
WO2019056642A1 PCT/CN2017/119273 CN2017119273W WO2019056642A1 WO 2019056642 A1 WO2019056642 A1 WO 2019056642A1 CN 2017119273 W CN2017119273 W CN 2017119273W WO 2019056642 A1 WO2019056642 A1 WO 2019056642A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
brake beam
trailer frame
seat
trailer
Prior art date
Application number
PCT/CN2017/119273
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
刘长青
赵文学
范军
梁微
周殿买
韩庆利
Original Assignee
中车长春轨道客车股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201721202607.3U external-priority patent/CN207225370U/zh
Priority claimed from CN201710848349.4A external-priority patent/CN107472283B/zh
Application filed by 中车长春轨道客车股份有限公司 filed Critical 中车长春轨道客车股份有限公司
Priority to EP17925537.7A priority Critical patent/EP3623249B1/en
Publication of WO2019056642A1 publication Critical patent/WO2019056642A1/zh

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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 invention relates to the technical field of bogies, and in particular to a trailer frame. Furthermore, the invention relates to a trailer bogie provided with the above described trailer frame.
  • the trailer bogie is an important part of it.
  • the trailer bogie is mounted on the underside of the trailer body, which typically includes the frame, a series of suspensions, a secondary suspension, axle boxes, wheel sets, brakes and the like.
  • the braking device comprises a brake clamp, and the brake beam is directly connected to the beam in the frame, the brake seat forms a cantilever structure with respect to the beam, and the brake clamp is connected to the corresponding brake. On the seat.
  • the brake seat is directly connected to the beam
  • the cantilever is relatively long in the running direction of the vehicle
  • the connection area between the brake seat and the beam is usually a variable cross-section connection, so that under the frequent braking force, the beam on the area is caused.
  • the stress concentration problem is more serious, and it is usually necessary to carry out more complicated structure and welding design, thereby increasing the difficulty in designing and processing the beam.
  • an object of the present invention is to provide a trailer frame in which the design and processing of the beam is convenient and the stress concentration on the beam can be reduced.
  • Another object of the present invention is to provide a trailer bogie including the above-described trailer frame, which is convenient in designing and processing the beam in the trailer frame and capable of reducing stress concentration on the beam.
  • the present invention provides the following technical solutions:
  • a trailer frame includes a beam and a side beam fixed to both ends of the beam, the side beam is a U-shaped structural beam, and a front brake beam is disposed between the side beams a second brake beam between the side beams is disposed at a rear upper portion of the beam; the first brake beam and the second brake beam are parallel to each other, and the two ends are respectively opposite to the side beam a fixed connection on the inner side, wherein the first brake beam and the second brake beam are respectively provided with brake seats for mounting the brake device; the brake seat of the first brake beam is located at the front side thereof a plurality of, arranged laterally spaced on the first brake beam; the brake seat of the second brake beam is located at a rear side thereof and the number is plural, and the second brake beam is laterally spaced arrangement.
  • the upper cover of the side sill extends inwardly at a portion corresponding to the first brake beam and the second brake beam to form a connecting plate; the first brake beam and the second Both ends of the brake beam are respectively provided with connecting portions under the corresponding connecting plates, and are connected to the side plates of the side beams and the connecting plate through the connecting portions.
  • the connecting portion is a U-shaped plate whose opening faces the corresponding connecting plate, a U-shaped end surface of the connecting portion is welded to the side plate of the side sill, and a top end surface of the connecting portion is welded to the Connect the lower surface of the board.
  • the first brake beam and the second brake beam respectively comprise a radial flange abutting the connecting plate and the connecting portion at a position of the corresponding connecting portion root.
  • the radial flange has a curved edge corresponding to the connecting portion and a straight edge on both sides of the curved edge, and has a laterally widened portion corresponding to the connecting plate.
  • the brake base is provided with four hanging points to install the braking device by four-point hanging.
  • the back of the brake seat is C-shaped and respectively arranged to coincide with the outer surface of the first brake beam or the second brake beam.
  • the brake seat comprises a horizontal seat plate and an upper skirt at the top of the seat plate and a lower skirt at the bottom of the seat plate, the height of the upper skirt and the lower skirt being The front end of the seat plate gradually becomes larger toward the root.
  • a trailer bogie comprising a trailer frame, the trailer frame being a trailer frame as described in any of the above.
  • the brake seat is disposed on the first brake beam and the second brake beam, and the brake seat is directly fixed on the beam in the prior art, which can simplify the manufacturing process of the beam. It makes the beam easier to design and process, reduces the stress concentration on the beam, and can reduce the welding amount on the beam, greatly reducing the load required by the beam.
  • the first brake beam and the second brake beam are supported by two. Between the side beams, the stability of the frame can be improved and the frame deformation can be prevented.
  • the invention provides a trailer bogie including the above trailer frame, wherein the above-mentioned trailer frame can simplify the beam manufacturing process, make the beam easier to design and process, and reduce the stress concentration on the beam.
  • FIG. 1 is a schematic structural view of a trailer frame provided by the present invention
  • Figure 2 is an enlarged view of A of Figure 1;
  • Figure 3 is an enlarged view of B of Figure 1;
  • FIG. 4 is a schematic structural view of a trailer bogie provided by the present invention.
  • the core of the invention is to provide a trailer frame, the beam is designed and processed more conveniently, and the stress concentration on the beam can be reduced.
  • Another core of the present invention is to provide a trailer bogie including the above-described trailer frame, which is convenient in designing and processing the beam in the trailer frame and capable of reducing stress concentration on the beam.
  • FIG. 1 is a schematic structural view of a trailer frame provided by the present invention
  • FIG. 2 is an enlarged view of a portion A of FIG. 1
  • FIG. 3 is an enlarged view of a portion B of FIG. Schematic diagram of the trailer bogie.
  • the frame comprises a beam 1 and a side beam 2 fixedly disposed at two ends of the beam 1.
  • the side beam 2 is a U-shaped structural beam, and the ends of the beam 1 are usually connected.
  • a first brake beam 3 is disposed between the side members 2 at a front upper portion of the beam 1
  • a second brake beam 5 is disposed between the side members 2 at a rear upper portion of the beam 1, and the first brake beam 3 is The second brake beams 5 are parallel to each other. Both ends of the first brake beam 3 are fixedly connected to the side members 2 on the inner side, and both ends of the second brake beam 5 are fixedly connected to the side members 2 on the inner side.
  • Brake seats 4 for mounting the brake device are respectively provided on the first brake beam 3 and the second brake beam 5.
  • the brake seats 4 of the first brake beam 3 are located on their front side and are plural in number, and all the brake seats 4 on the first brake beam 3 are laterally spaced apart on the first brake beam 3.
  • the brake shoe 4 of the second brake beam 5 is located on its rear side and is plural in number, and all the brake seats 4 on the second brake beam 5 are laterally spaced apart on the second brake beam 5.
  • the first brake beam 3 and the second brake beam 5 can be fixedly connected to the side beam 2 by welding.
  • the trailer frame can be manufactured by welding, forging, casting, and a combination of different processing methods.
  • the brake base 4 is disposed on the first brake beam 3 and the second brake beam 5, and the brake bracket 4 can be directly fixed on the beam 1 in the prior art, thereby simplifying the beam 1
  • the manufacturing process makes the beam 1 easier to design and process, reduces the stress concentration on the beam 1, and can reduce the amount of welding on the beam 1, greatly reducing the load that the beam 1 needs to bear, and at the same time, the first brake beam 3 Supporting the second brake beam 5 between the two side members 2 improves the stability of the frame and prevents the frame from being deformed.
  • the upper cover of the side sill 2 extends inwardly at a portion corresponding to the first brake beam 3 and the second brake beam 5 to form a connecting plate 21, and the connection on one side sill 2 of the inwardly extending finger
  • the plate 21 extends in the direction of the other side member 2.
  • Both ends of the first brake beam 3 and the second brake beam 5 are respectively provided with connecting portions 6 under the corresponding connecting plates 21, and are connected to the side plates of the side members 2 and the connecting plate 21 through the connecting portions 6.
  • the arrangement of the connecting plate 21 can increase the connection area between the brake beam and the side sill 2, and at the same time, a part of the structure is separately extended on the upper cover of the side sill 2 to connect the first brake beam 3 and the second brake beam 5 It is possible to prevent the first brake beam 3 and the second brake beam 5 from occupying the space used for connecting the other components on the side beam 2, thereby preventing the first brake beam 3 and the second brake beam 5 and the side beam 2 from being Interference occurs between other components.
  • the connecting portion 6 may be a U-shaped plate whose opening faces the corresponding connecting plate 21, the U-shaped end surface of the connecting portion 6 is welded to the side plate of the side sill 2, and the top end surface of the connecting portion 6 is welded to the lower surface of the connecting plate 21. .
  • the connecting portion 6 may also be a C-shaped plate, a polygonal frame or other structure.
  • the first brake beam 3 and the second brake beam 5 may include a radial flange 7 abutting the connecting plate 21 and the connecting portion 6 at the position of the root portion of the corresponding connecting portion 6.
  • the arrangement of the radial flange 7 can further increase the connection area between the first brake beam 3, the second brake beam 5 and the connecting plate 21, and ensure that both the first brake beam 3 and the second brake beam 5 are A reliable connection between the side members 2.
  • the radial flange 7 may have a curved edge corresponding to the connecting portion 6 and a straight edge on both sides of the curved edge, and has a laterally widened portion corresponding to the connecting plate 21.
  • the bottom of the butt plate is a curved edge
  • the upward direction is a straight edge
  • four hanging points 41 can be specifically disposed on the brake base 4 to install the braking device by four-point hanging to ensure reliable connection of the braking device.
  • the back of the brake base 4 may be C-shaped and disposed to coincide with the outer surface of the first brake beam 3 or the second brake beam 5, respectively.
  • the back of the brake base 4 is C-shaped such that a part of the brake seat 4 is located on the upper side of the first brake beam 3 or the second brake beam 5, and the other part is located on the first brake beam 3 or the second brake beam The lower side of 5, thereby improving the reliability of the connection.
  • the first brake beam 3 and the brake seat 4 may be an integral casting or forging
  • the second brake beam 5 and the brake seat 4 may be an integral casting or forging to ensure the overall structural strength.
  • the first brake beam 3 and the brake seat 4, the second brake beam 5 and the brake seat 4 can also be arranged in sections, then welded or made in other forms.
  • the brake base 4 may include a horizontal seat plate and an upper skirt at the top of the seat plate and a lower skirt at the bottom of the seat plate.
  • the heights of the upper and lower skirts are from the front end of the seat plate.
  • the roots gradually become larger.
  • the height of the upper skirt and the lower skirt of the brake seat 4 is gradually increased from the front end of the seat plate to the root portion, and the strength of the intersection of the brake seat 4 with the first brake beam 3 or the second brake beam 5 can be ensured.
  • the weight of the brake seat 4 is reduced, and material is saved.
  • the seat plate may be a rectangular plate, and the four hanging points 41 are respectively located at the four vertices of the brake base 4, which facilitates the positioning of the hanging point 41 and ensures the reliability of the hanging.
  • first brake beam 3 and the second brake beam 5 may be integrally cast, which is beneficial to reduce the occupation of the first brake beam 3 and the second brake beam 5 in the bogie.
  • the space ensures that the first brake beam 3 and the second brake beam 5 have higher strength and can meet the bearing requirements.
  • first brake beam 3 and the second brake beam 5 can also be sectioned forged or cast welded or used in other structural forms.
  • the number of the brake pads 4 on the first brake beam 3 and the second brake beam 5 may be set according to actual conditions, for example, specifically two, three, or four.
  • a certain number of partitions may be provided in the beam 1 and the side sill 2 as needed to further increase the torsional strength of the frame.
  • a weight reducing hole may be provided on the partition to reduce the overall weight of the bogie and save material while meeting the strength requirements of the bogie.
  • the present invention also provides a trailer bogie including the trailer frame disclosed in the above embodiment, which can simplify the manufacturing process of the beam 1 by using the above-mentioned trailer frame, and makes the beam 1 easier to design and Processing reduces the stress concentration on the beam 1. Please refer to the prior art for the structure of other parts of the trailer bogie, and no further description is provided herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
PCT/CN2017/119273 2017-09-19 2017-12-28 一种拖车构架及具有该拖车构架的拖车转向架 WO2019056642A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17925537.7A EP3623249B1 (en) 2017-09-19 2017-12-28 Trailer frame and trailer bogie having same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710848349.4 2017-09-19
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
CN201721202607.3 2017-09-19

Publications (1)

Publication Number Publication Date
WO2019056642A1 true WO2019056642A1 (zh) 2019-03-28

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PCT/CN2017/119273 WO2019056642A1 (zh) 2017-09-19 2017-12-28 一种拖车构架及具有该拖车构架的拖车转向架

Country Status (3)

Country Link
EP (1) EP3623249B1 (ru)
RU (1) RU2678797C1 (ru)
WO (1) WO2019056642A1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113682337A (zh) * 2021-09-26 2021-11-23 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
CN115123333A (zh) * 2022-07-29 2022-09-30 中车唐山机车车辆有限公司 一种单轮对拖车转向架

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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
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
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US20170232979A1 (en) * 2015-02-05 2017-08-17 Crrc Qingdao Sifang Co., Ltd. High-speed rail train bogie and frame thereof
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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
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CN107472283A (zh) * 2017-09-19 2017-12-15 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

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113682337A (zh) * 2021-09-26 2021-11-23 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
CN115123333A (zh) * 2022-07-29 2022-09-30 中车唐山机车车辆有限公司 一种单轮对拖车转向架
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

Also Published As

Publication number Publication date
EP3623249A1 (en) 2020-03-18
EP3623249A4 (en) 2021-02-24
RU2678797C1 (ru) 2019-02-01
EP3623249B1 (en) 2023-03-01

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