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WO2019056641A1 - Châssis de bogie et bogie équipé de celui-ci - Google Patents

Châssis de bogie et bogie équipé de celui-ci Download PDF

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Publication number
WO2019056641A1
WO2019056641A1 PCT/CN2017/119258 CN2017119258W WO2019056641A1 WO 2019056641 A1 WO2019056641 A1 WO 2019056641A1 CN 2017119258 W CN2017119258 W CN 2017119258W WO 2019056641 A1 WO2019056641 A1 WO 2019056641A1
Authority
WO
WIPO (PCT)
Prior art keywords
bogie frame
socket
connecting portion
bogie
lower cover
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.)
Ceased
Application number
PCT/CN2017/119258
Other languages
English (en)
Chinese (zh)
Inventor
李国栋
周殿买
韩庆利
赵文学
梁微
范军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Changchun Railway Vehicles Co Ltd
Original Assignee
CRRC Changchun Railway Vehicles Co Ltd
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 CN201710852362.7A external-priority patent/CN107554546B/zh
Priority claimed from CN201721202610.5U external-priority patent/CN207225371U/zh
Application filed by CRRC Changchun Railway Vehicles Co Ltd filed Critical CRRC Changchun Railway Vehicles Co Ltd
Priority to EP17926005.4A priority Critical patent/EP3620345A4/fr
Publication of WO2019056641A1 publication Critical patent/WO2019056641A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B61F3/00—Types of bogies
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels
    • 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 field of bogie technology, and more particularly to a bogie frame and a bogie provided with the above bogie frame.
  • the bogie In rail vehicles, the bogie is an important part of it.
  • the bogie is the direct bearer of vehicle traction, braking force, vehicle load and external force of the rail. It plays a vital role in the running quality of the vehicle and the safety of passenger transportation.
  • the beam and the side beam are the main load-bearing components, and the beam is laterally welded between the side beams and connected to the left and right side beams as a rigid whole.
  • the beam can be divided into a circular tubular beam and a box beam welded by a plate.
  • a round tubular beam it is usually necessary to arrange two parallel beams.
  • a box beam it can be a whole beam.
  • the structural strength of the beam and the side members and the strength of the connection between the two have a significant impact on the overall strength of the bogie frame.
  • the two ends of the box beam and the side members are usually connected by providing a transition piece.
  • a connection method When such a connection method is connected, the welding quality is low, the connection reliability is poor, the damage is easy, the process is not good, and there are defects such as large occupied space, large processing amount, and inconvenient installation.
  • the secondary dampers in the existing bogie are generally installed between the side girders and the bolsters and outside the side girders, which are far away from the center line of the vehicle body and are generated by the rotation of the vehicle body during operation.
  • the upper and lower strokes are large, which will affect the service life of the secondary damper and even damage in severe cases.
  • an object of the present invention is to provide a bogie frame which not only facilitates welding connection when paired, but also has high reliability and stability of the welded connection, and can also be in the inner side of the side beam. Provides sufficient mounting space for other components to increase the flexibility of the bogie frame design.
  • Another object of the present invention is to provide a bogie including the above-mentioned bogie frame, the bogie frame not only facilitates welding connection when paired, but also has high reliability and stability of the welded connection, and can also be used in the side beam.
  • the inside area provides sufficient mounting space for other components to increase the flexibility of the bogie frame design.
  • the present invention provides the following technical solutions:
  • a bogie frame comprising two side beams and a beam fixed between the two side beams, the beam and the side beam are box beams, the beams are H-shaped, two of them
  • the connecting portions of the end are respectively inclined toward the lateral center line thereof;
  • the inner side of the side beam is provided with a socket formed by the upper cover and the lower cover;
  • the upper cover of each connecting portion of the beam and the corresponding side beam The portions of the upper cover plate forming the sockets are butted against each other, and the lower cover plates of the connecting portions of the beam are butted against the portions of the side beam lower cover plate forming the socket;
  • the connecting portions of the beams The outer risers extend beyond the ends of the upper and lower cover plates and are inserted into the side members from the corresponding sockets to be interconnected with the side members.
  • the upper cover and the lower cover of the side beam corresponding to the cross beam extend inwardly to form the socket corresponding to each connecting portion of the beam.
  • an end surface of the upper cover plate of the side sill forming the socket is adapted to an upper end surface of the corresponding beam connecting portion, and the lower cover of the side sill forms the The end face of the position of the socket is adapted to the corresponding lower end face of the beam connection.
  • the outer riser of the connecting portion is a concave curved plate.
  • the outer vertical plate of the connecting portion is a first straight plate segment inserted into the corresponding socket, a second straight plate segment extending from a middle portion of the beam and obliquely gathered toward a lateral center line thereof, And forming a transitional arc segment disposed between the first straight segment and the second straight segment.
  • the outer risers of the connecting portions of the beam are inserted into the side members by the corresponding sockets and are simultaneously welded to the upper cover, the lower cover and the vertical plates of the side members.
  • the side sill is a U-shaped structural beam that is concave in the middle, and the socket is disposed at a concave position of the side sill.
  • the outer side of the outer vertical plate of the beam connecting portion is provided with a two-line vertical damper seat, and the bolster beam is disposed at a position directly above the two vertical damper seats for connecting two It is the connection part of the top of the vertical damper.
  • each connecting portion of the beam and the portion corresponding to the socket formed on the side cover of the side beam are in the same plane and abut each other, and the lower cover and the corresponding portion of each connecting portion of the beam
  • the portions of the side sill lower cover forming the socket are in the same plane and are butted against each other.
  • a bogie comprising a bogie frame, the bogie frame being a bogie frame as claimed in any of the preceding claims.
  • the beam is directly connected with the side beam, and there is no need to provide a transition joint in the prior art, so that the bogie frame not only facilitates the welding connection in the pairing, but also has high reliability and stability of the welding connection.
  • the connecting ends of the two ends of the beam are respectively inclined obliquely toward the transverse centerline of the beam, it can provide sufficient installation space for other components in the inner region of the side beam, thereby improving the flexibility of the design of the steering frame;
  • the side beams are arranged as box beams, which helps to reduce the overall weight of the frame and save materials.
  • the bogie including the above-mentioned bogie frame has the bogie frame not only convenient for welding connection when paired, but also has high reliability and stability of the welded connection, and can also be other components in the inner side of the side beam. Provides sufficient installation space to increase the flexibility of the bogie frame design.
  • FIG. 1 is a front view showing the structure of a steering frame of an electric car provided by the present invention
  • Figure 2 is an enlarged view of A in Figure 1;
  • FIG. 3 is a rear view structural view of a steering frame of an electric car provided by the present invention.
  • FIG. 4 is a top plan view of a steering frame of an electric car provided by the present invention.
  • Figure 5 is a front elevational view of the steering frame of the motor car provided by the present invention.
  • Figure 6 is a side view of the steering frame of the motor car provided by the present invention.
  • Figure 7 is a schematic structural view of a motor car bogie provided by the present invention.
  • Figure 8 is a front view showing the structure of a trailer bogie frame provided by the present invention.
  • Figure 9 is a schematic view showing the structure of a trailer bogie provided by the present invention.
  • the core of the invention is to provide a bogie frame which not only facilitates the welding connection in the pairing, but also has high reliability and stability of the welding connection, and can also provide other components in the inner region of the side beam. Sufficient installation space to increase the flexibility of the bogie frame design.
  • Another core of the present invention is to provide a bogie including the above-mentioned bogie frame, the bogie frame not only facilitates the welding connection when paired, but also has high reliability and stability of the welded connection, and can also be used in the side beam.
  • the inside area provides sufficient mounting space for other components to increase the flexibility of the bogie frame design.
  • FIG. 1 is a schematic front view of a steering frame of an electric car provided by the present invention
  • FIG. 2 is an enlarged view of a portion A of FIG. 1
  • FIG. 7 is a schematic structural view of a bogie bogie provided by the present invention
  • FIG. 8 is a front view of a trailer bogie frame provided by the present invention
  • FIG. 9 is a schematic view of a rear view of the rack.
  • two side members 2 and a cross member 1 fixed between the side members 2 are integrally formed, and the beam 1 and the side members 2 may specifically form an H-shaped structure.
  • the beam 1 and the side beam 2 are box beams, and the outer peripheral walls of the beam 1 and the side beam 2 are surrounded by an upper cover, a lower cover and a vertical plate.
  • the beam 1 is H-shaped, and the connecting portions of the two ends of the beam 1 are respectively inclined obliquely toward the transverse center line of the beam 1, that is, in the vehicle width direction, two ends of the beam 1 respectively form two branches for connecting the side beams 2.
  • the vertical plate of each of the branches of the beam 1 may include an inner vertical plate disposed adjacent to the lateral center line of the beam 1 and an outer vertical plate disposed away from the transverse center line of the beam 1
  • the arrangement of the inner vertical plate can improve the overall strength of the bogie frame.
  • the connecting portions of the beam 1 and the middle portion of the side sill 2 form an opening shape, and the opening can provide sufficient space to realize the inner vertical plate and the beam 1. Welding of the upper and lower covers of the side members 2.
  • the inner side of the side sill 2 is provided with a socket 21 formed by an upper cover and a lower cover of the side sill 2.
  • the upper cover of each connecting portion of the beam 1 and the portion of the upper cover of the corresponding side member 2 forming the socket 21 are abutted against each other, and the lower cover of each connecting portion of the beam 1 and the lower cover of the corresponding side member 2 form a socket 21
  • the parts are connected to each other.
  • the outer vertical plates of the connecting portions of the beam 1 extend beyond the ends of the upper cover and the lower cover of the beam 1, that is, in the direction of the vehicle width, the outer vertical plates of the beam 1 protrude beyond the upper cover and the lower cover .
  • the outer riser ends of the respective connecting portions of the beam 1 are inserted into the side members 2 from the corresponding sockets 21 and are connected to the side members 2.
  • the cross member 1 and the side sill 2 can be specifically fixed by welding.
  • the cross member 1 and the side members 2 of the truck frame can be arranged in the above manner, and the beam 1 and the side members 2 of the trailer bogie frame can also be arranged in the above manner.
  • the beam 1 is directly connected to the side beam 2, and there is no need to provide a transition piece in the prior art, so that the bogie frame not only facilitates the welding connection in the pairing, but also has high reliability and stability of the welding connection.
  • the connecting portions of the two ends of the beam 1 are respectively inclined obliquely toward the transverse center line of the beam 1, the installation space can be provided for other components in the inner region of the side beam 2, thereby improving the flexibility of the design of the bogie frame;
  • the beam 1 and the side beam 2 are arranged as a box beam, which is beneficial to reduce the overall weight of the frame and save materials.
  • the upper cover and the lower cover of the side beam 2 corresponding to the cross member 1 extend inwardly to form a socket 21 corresponding to each connecting portion of the beam 1. That is, in a position where the side sill 2 is provided with the socket 21, the upper and lower covers of the side sill 2 extend in the direction of the other side sill 2, thereby facilitating the group between the beam 1 and the side sill 2
  • a part of the structure is separately extended on the upper cover of the side sill 2 to connect the beam 1, which can prevent the beam 1 from occupying the space used for connecting the other components on the side sill 2, thereby preventing other parts of the side sill 2 Interference with the group pair process.
  • the end surface of the upper cover of the side member 2 at the position where the socket 21 is formed is adapted to the end surface of the upper cover of the corresponding cross member 1, and the socket 21 is formed on the lower cover of the side member 2.
  • the end face of the position is adapted to the end face of the lower cover of the joint of the corresponding cross member 1.
  • the matching refers to the corresponding shape and the two can be completely seamlessly joined, for example, the upper cover of the upper cover and the lower cover of each connecting portion of the beam 1 is a straight surface, and the upper cover on the side beam 2
  • the end faces of the plate and the lower cover forming the socket 21 are also flat faces having the same area, shape, and inclination angle. This arrangement ensures that the edge of the joint between the beam 1 and the side beam 2 is smooth, the connection is reliable, and the material is saved.
  • the outer vertical plate of the connecting portion may specifically be a concave curved plate, and the inner concave refers to being recessed toward the transverse center line of the beam 1 to further enlarge the available space in the bogie frame, and at the same time, reduce The stress concentration at the joint of the small beam 1 and the side beam 2 increases the joint strength.
  • the connecting portion of the beam 1 can be designed in a variable cross section to reduce the stress concentration at the joint of the beam 1 and the side beam 2.
  • the outer vertical plate of the connecting portion may be a first straight plate segment inserted into the corresponding socket 21, a second straight plate segment extending from the middle of the beam 1 and obliquely gathered toward the transverse centerline of the beam 1, and a setting A transitional arc segment is formed between the first straight section and the second straight section. That is, the outer vertical plates of the connecting portion of the beam 1 are, in order from the center to the outer side, in the direction of the vehicle width, a second straight plate segment, a transitional curved plate segment and a first straight plate segment.
  • This arrangement is convenient for processing, and in particular, the portion inserted into the inside of the side sill 2 is arranged in a straight shape to facilitate the determination of the orientation of the connection.
  • the outer vertical plate of the connecting portion of the beam 1 may be an integrally formed piece, including a second straight plate segment, a transitional curved plate segment and a first straight plate segment three-part structure, or the outer side of the connecting portion of the beam 1
  • the plates can be joined by segment welding.
  • the outer vertical plates of the connecting portions of the beam 1 can be inserted into the side sills 2 by the corresponding sockets 21, and simultaneously welded to the upper cover, the lower cover and the vertical plates of the side sills 2 to ensure The reliability of the connection between the beam 1 and the side sill 2.
  • the length of the outer riser of the connecting portion of the beam 1 can also be determined in other ways according to actual conditions.
  • the side sill 2 may be a U-shaped structural beam that is concave in the middle, and the recessed structure may provide a mounting structure for each component, and the socket 21 may be disposed at a recessed position of the side sill 2.
  • Such an arrangement can ensure the overall strength of the bogie frame, and at the same time increase the length value of the connection between the beam 1 and the side beam 2 in the vehicle length direction as much as possible, and ensure the connection area of the beam 1 and the side beam 2.
  • the outer side of the outer vertical plate of the connecting portion of the beam 1 is provided with a two-stage vertical damper holder 3, and the position of the bolster 4 corresponding to the upper side of the second-line vertical damper holder 3 can be set.
  • This arrangement can make full use of the available space inside the bogie frame while reducing the rotation stroke while ensuring the vibration damping effect.
  • the two ends of the beam 1 in the vehicle width direction may each be provided with a two-stage vertical damper holder 3.
  • the beam 1 and the side beam 2 may be specifically formed by welding the pair of castings.
  • 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.
  • weight-reducing holes can be provided on the partition to minimize the overall weight of the bogie frame and save material while meeting the strength requirements of the bogie frame.
  • the upper cover of each connecting portion of the beam 1 and the portion of the upper side cover of the corresponding side beam 2 forming the socket 21 may be in the same plane and abut each other, and the lower cover of each connecting portion of the beam 1 corresponds to Portions of the side cover 2 forming the socket 21 on the lower cover plate may be in the same plane and abut each other.
  • the connection position of the beam 1 and the side beam 2 is flat, and it is convenient to provide other components thereon.
  • the upper cover plate of each connecting portion of the beam 1 and the portion of the upper side plate of the corresponding side beam 2 forming the socket 21 may also have a certain height difference, and the lower cover plate of each connecting portion of the beam 1 and the corresponding side beam 2 are lower.
  • the portion of the cover plate on which the socket 21 is formed may also have a certain height difference.
  • the present invention also provides a bogie including the bogie frame disclosed in the above embodiment, the bogie frame not only facilitates the welding connection in the pairing, but also has high reliability and stability of the welding connection. Well, it is also able to provide sufficient installation space for other components in the inner side of the side members, thereby improving the flexibility of the bogie design. Please refer to the prior art for the structure of other parts of the bogie, and no further description is provided herein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Handcart (AREA)

Abstract

La présente invention concerne un châssis de bogie comprenant deux poutres latérales (2) et une traverse (1) disposée de manière fixe entre les deux poutres latérales (2), la traverse (1) et les poutres latérales (2) étant toutes des poutres à caisson. La traverse (1) est en forme de H, et des parties de raccordement au niveau de deux extrémités de celle-ci convergent respectivement obliquement vers la ligne centrale latérale de celle-ci. Chaque poutre latérale (2) est pourvue d'une douille (21) sur un côté interne de celle-ci formée d'une plaque de recouvrement supérieure et d'une plaque de recouvrement inférieure de celle-ci. La plaque de recouvrement supérieure de chaque partie de raccordement de la traverse (1) vient en prise avec une partie de la plaque de recouvrement supérieure de la poutre latérale (2) correspondante formant la douille (21). La plaque de recouvrement inférieure de chaque partie de raccordement de la traverse (1) vient en prise avec une partie de la plaque de recouvrement inférieure de la poutre latérale (2) correspondante formant la douille (21). Une plaque verticale latérale externe de chaque partie de raccordement de la traverse (1) dépasse les parties extrémités de la plaque de recouvrement supérieure et de la plaque de recouvrement inférieure de la traverse et est insérée dans la poutre latérale (2) depuis la douille (21) correspondante pour se raccorder à la poutre latérale (2). La structure de bogie est facile à souder pendant l'assemblage, les raccordements soudés ont une fiabilité et une stabilité élevées, et un espace d'installation suffisant est prévu pour d'autres composants sur des côtés intérieurs de poutres latérales (2). La présente invention concerne également un bogie comprenant le châssis de bogie.
PCT/CN2017/119258 2017-09-19 2017-12-28 Châssis de bogie et bogie équipé de celui-ci Ceased WO2019056641A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17926005.4A EP3620345A4 (fr) 2017-09-19 2017-12-28 Châssis de bogie et bogie équipé de celui-ci

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201721202610.5 2017-09-19
CN201710852362.7A CN107554546B (zh) 2017-09-19 2017-09-19 一种转向架构架及具有该转向架构架的转向架
CN201710852362.7 2017-09-19
CN201721202610.5U CN207225371U (zh) 2017-09-19 2017-09-19 一种转向架构架及具有该转向架构架的转向架

Publications (1)

Publication Number Publication Date
WO2019056641A1 true WO2019056641A1 (fr) 2019-03-28

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Application Number Title Priority Date Filing Date
PCT/CN2017/119258 Ceased WO2019056641A1 (fr) 2017-09-19 2017-12-28 Châssis de bogie et bogie équipé de celui-ci

Country Status (3)

Country Link
EP (1) EP3620345A4 (fr)
RU (1) RU2684830C1 (fr)
WO (1) WO2019056641A1 (fr)

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WO2016139070A1 (fr) * 2015-03-03 2016-09-09 Siemens Ag Österreich Poutre longitudinale et traverse pour un châssis de train de roulement d'un véhicule ferroviaire
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CN205930741U (zh) * 2016-08-11 2017-02-08 中车唐山机车车辆有限公司 转向架及轨道车辆

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Title
See also references of EP3620345A4

Also Published As

Publication number Publication date
EP3620345A1 (fr) 2020-03-11
RU2684830C1 (ru) 2019-04-15
EP3620345A4 (fr) 2021-01-20

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