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WO2020191979A1 - Dispositif de suspension de boîte d'essieu et bogie équipé de ce dernier - Google Patents

Dispositif de suspension de boîte d'essieu et bogie équipé de ce dernier Download PDF

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Publication number
WO2020191979A1
WO2020191979A1 PCT/CN2019/098689 CN2019098689W WO2020191979A1 WO 2020191979 A1 WO2020191979 A1 WO 2020191979A1 CN 2019098689 W CN2019098689 W CN 2019098689W WO 2020191979 A1 WO2020191979 A1 WO 2020191979A1
Authority
WO
WIPO (PCT)
Prior art keywords
axle box
buffer
suspension device
plate
wedge structure
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/CN2019/098689
Other languages
English (en)
Chinese (zh)
Inventor
许善超
许然荻
樊恩博
张文龙
王延辉
李智泽
张露颖
穆凤军
徐世锋
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 Qiqihar Rolling Stock Co Ltd
Original Assignee
CRRC Qiqihar Rolling Stock 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
Application filed by CRRC Qiqihar Rolling Stock Co Ltd filed Critical CRRC Qiqihar Rolling Stock Co Ltd
Priority to BR112020021815-4A priority Critical patent/BR112020021815B1/pt
Priority to KR1020207031498A priority patent/KR102468623B1/ko
Publication of WO2020191979A1 publication Critical patent/WO2020191979A1/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
    • 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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • 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
    • B61F3/06—Types of bogies with more than one axle with driven axles or wheels with three or more axles

Definitions

  • the invention relates to the technical field of bogies, and in particular to an axle box suspension device and a bogie with the same.
  • railway freight cars generally consist of a car body, a bogie, a braking device, and a coupler buffer device.
  • the role of the bogie is to support the car body, guide the vehicle to travel along the track, and bear various loads from the car body and the line.
  • the bogie is an important part of the railway freight car and the core component that affects the dynamics of the vehicle.
  • the main feature of the three-axle bogie is that it has more axles than the traditional three-piece two-axle bogie and the fixed wheelbase is larger.
  • a welded frame type three-axle bogie for railway freight cars generally consists of a frame, a basic braking device, an axle box suspension device, and an elastic side bearing.
  • the axle box suspension device consists of three wheel sets and is mounted on the wheel sets. It is composed of the axle box, spring, inclined wedge and load saddle.
  • the curve passing performance and high-speed running stability and safety performance of railway vehicles equipped with three-axle bogies are important indicators for evaluating vehicles.
  • the bogie axle box suspension device is strongly related to the dynamics of the vehicle and directly determines and affects the dynamics of the vehicle. performance.
  • the bogie axle box suspension device in the prior art is composed of a spring, a diagonal wedge, a bearing saddle and an axle box.
  • the wheel set at the end of the bogie adopts a double wedge structure, and there is no wedge at the middle wheel set.
  • the bearing saddle is arranged in the axle box and between the axle box and the bearing.
  • the end wheelset is positioned by a symmetrical structure on both sides of the oblique wedge slope and friction force. The position of the equilibrium point is difficult to determine, which is an unstable structure.
  • the middle wheel pair is positioned by the vertical and horizontal stiffness of the spring, while the axle box spring itself is too low in stiffness, and the vehicle dynamics performance is not stable enough.
  • a bearing saddle is arranged in the axle box of the prior art, and the top surface of the bearing saddle and the inner top surface of the axle box are metal-to-metal, which is prone to wear.
  • a three-axle bogie adopts a single-side oblique wedge structure for the end wheelsets, without an oblique wedge structure for the middle wheelsets, and the axle box directly matches the bearings.
  • a three-axle railway freight car bogie is provided.
  • the three-axle bogie adopts a double-sided oblique wedge structure for the end wheel sets, and the intermediate wheel set has no oblique wedge structure.
  • the dynamic performance of the above two structures is not stable enough, and the wear is relatively large.
  • the main purpose of the present invention is to provide an axle box suspension device and a bogie having the same, so as to solve the technical problem of unstable dynamic performance of the axle box suspension device in the prior art.
  • an axle box suspension device includes an end wheel set assembly, and the end wheel set assembly includes a first wheel set, a first axle box, and a first wheel set.
  • a buffer, a second buffer and a first saddle the first axle box is arranged on the first wheelset, the first axle box includes a first support seat and a second support seat, the first buffer is arranged on the first support On the seat, the second buffer member is arranged on the second support seat, the first bearing saddle is arranged between the first wheelset and the first axle box;
  • the first guide frame is arranged on the first buffer member, the first guide frame It includes a first positioning plate, and the first positioning plate is arranged opposite to the side plate of the first axle box, so as to coordinate and position the first positioning plate and the side plate of the first axle box; a first oblique wedge structure, a first oblique wedge structure
  • the bottom surface is connected with the second buffer member; the second guide frame, the second guide
  • the third buffer member includes: a first buffer board; a second buffer board, which is arranged opposite to the first buffer board, and there is a buffer room between the first buffer board and the second buffer board; the connecting member is arranged on the first buffer board. Between the board and the second buffer board.
  • the side of the first buffer plate close to the second buffer plate has a buffer concave surface
  • the side of the second buffer plate close to the first buffer plate has a buffer convex surface.
  • the buffer concave surface and the buffer convex surface are arranged opposite to each other. The gap formed between the buffer zone.
  • first buffer plate and/or the second buffer plate are made of elastic material.
  • the third buffer member further includes: a first positioning part, the first positioning part is arranged on the first buffer plate and/or the second buffer plate to be positioned by the first positioning part.
  • the end wheelset assembly further includes: a first wearing part, which is arranged between the first positioning plate and the side plate of the first axle box, so as to reduce the wear of the first positioning plate through the first wearing part.
  • the end wheelset assembly further includes: a second wear part, which is arranged between the first wedge structure and the side plate of the first axle box, so as to reduce the wear of the first wedge structure through the second wear part.
  • the axle box suspension device further includes an intermediate wheel set assembly, the intermediate wheel set assembly includes: a second wheel set, a second axle box, a fourth buffer member, a fifth buffer member and a second carrier saddle, the second wheel set and The first wheel set is arranged at intervals, the second axle box is arranged on the second wheel set, the second axle box includes a third support seat and a fourth support seat, the fourth buffer member is arranged on the third support seat, and the fifth buffer member It is arranged on the fourth support seat, the second saddle is arranged between the second wheelset and the second axle box; the second oblique wedge structure is arranged on the fourth buffer member; the third oblique wedge structure is arranged on the fifth On the cushion.
  • the intermediate wheel set assembly includes: a second wheel set, a second axle box, a fourth buffer member, a fifth buffer member and a second carrier saddle, the second wheel set and The first wheel set is arranged at intervals, the second axle box is arranged on the second wheel set, the second axle box includes a third support
  • the third oblique wedge structure and the second oblique wedge structure are the same structure, and the third oblique wedge structure and the second oblique wedge structure are symmetrically arranged on the second axle box.
  • axle box suspension device further includes: a sixth buffer member, which is arranged between the second bearing saddle and the second axle box, so as to be buffered by the sixth buffer member.
  • first oblique wedge structure is arranged on the side of the first axle box close to the second axle box.
  • the axle box suspension device includes two end wheelset assemblies and an intermediate wheelset assembly, and the intermediate wheelset assembly is arranged between the two end wheelset assemblies.
  • a bogie is provided.
  • the bogie includes an axle box suspension device, and the axle box suspension device is the axle box suspension device provided above.
  • the first positioning plate of the first guide frame and the side plate of the first axle box are coordinated and positioned to provide longitudinal rigid positioning.
  • the lower part of the first oblique wedge structure is the second buffer member, which will provide supporting force for the first oblique wedge structure.
  • the inclined surface of the first oblique wedge structure generates the component force and the first positioning plate and the first axle box
  • the forces between the side plates are balanced and provide greater longitudinal positioning rigidity.
  • the technical solution provided by the present invention can solve the technical problem of unstable dynamic performance of the axle box suspension device in the prior art.
  • Figure 1 shows a schematic structural diagram of an axle box suspension device according to the first embodiment of the present invention
  • Figure 2 shows a schematic structural diagram of an end wheelset assembly provided according to the first embodiment of the present invention
  • Fig. 3 shows a schematic structural diagram of an intermediate wheel set assembly according to the first embodiment of the present invention
  • Figure 4 shows a front view of the first axle box provided according to the first embodiment of the present invention
  • Figure 5 shows a top view of the first axle box provided according to the first embodiment of the present invention
  • Figure 6 shows a front view of a third cushioning member according to the first embodiment of the present invention.
  • FIG. 7 shows a top view of a third buffer member according to the first embodiment of the present invention.
  • Fig. 8 shows a left side view of a third cushioning member according to the first embodiment of the present invention
  • Figure 9 shows a front view of a first saddle provided according to the first embodiment of the present invention.
  • FIG. 10 shows a top view of the first carrying saddle provided according to the first embodiment of the present invention.
  • Fig. 11 shows a left side view of the first carrying saddle provided according to the first embodiment of the present invention.
  • the first embodiment of the present invention provides an axle box suspension device.
  • the axle box suspension device includes an end wheelset assembly 10.
  • the end wheelset assembly 10 includes: a first wheelset 11, a first axle box 12, a first buffer member 13, a second buffer member 14, a first saddle 15, a first guide frame 16, The first oblique wedge structure 17, the second guide frame 110 and the third buffer member 18.
  • the first axle box 12 is arranged on the first wheel set 11, as shown in FIGS. 4 and 5, the first axle box 12 includes a first support seat 121 and a second support seat 122, and the first buffer 13 is arranged on On the first supporting seat 121, the second buffer member 14 is arranged on the second supporting seat 122.
  • the first saddle 15 is arranged between the first wheelset 11 and the first axle box 12, and the structure of the first saddle 15 is shown in FIGS. 9 to 11.
  • the first guide frame 16 is disposed on the first buffer member 13, and the first guide frame 16 includes a first positioning plate 161.
  • the first positioning plate 161 is disposed opposite to the side plate of the first axle box 12 to pass through the first positioning plate 161.
  • the side plate in this embodiment is connected to the first support base 121 and the second support base 122.
  • the first positioning plate 161 in this embodiment is provided at one end of the first guide frame 16 close to the first axle box 12.
  • the first positioning plate 161 can be spaced apart from the side plate of the first axle box 12. , Through the abutment of the first positioning plate 161 and the first axle box 12 for coordinated positioning.
  • the bottom surface of the first oblique wedge structure 17 is connected to the second buffer member 14, the second guide frame 110 is arranged on the inclined surface of the first oblique wedge structure 17, and the third buffer member 18 is arranged on the first saddle 15 and the first shaft.
  • the first wheel set 11 is provided with a first bearing, and the first bearing saddle 15 is provided on the first bearing.
  • the first positioning plate 161 of the first guide frame 16 abuts against the side plate of the first axle box 12 for coordinated positioning, thereby providing longitudinal rigid positioning.
  • the lower part of the first oblique wedge structure 17 is a second buffer member 14 which will provide a supporting force for the first oblique wedge structure 17.
  • the inclined surface of the first oblique wedge structure 17 generates a component force and a first positioning plate The force between the 161 and the side plate of the first axle box 12 is balanced and provides greater longitudinal positioning rigidity.
  • the positioning rigidity of the first positioning plate 161 can be relieved, and a certain elastic positioning can be provided to achieve better dynamic performance effects and ensure vehicle dynamics. Performance continues to be stable.
  • the third buffer member 18 can also avoid the wear caused by the direct contact between the first axial direction and the first bearing saddle 15, thereby reducing wear.
  • the first buffer member 13 may be set as a spring; or the second buffer member 14 may be set as a spring; or both the first buffer member 13 and the second buffer member 14 may be set as springs.
  • both the first buffer member 13 and the second buffer member 14 can be configured as springs to better play a buffering effect.
  • the third buffer member 18 in this embodiment includes a first buffer plate 181, a second buffer plate 182 and a connecting member 183.
  • the second buffer board 182 is arranged opposite to the first buffer board 181, there is a buffer space between the first buffer board 181 and the second buffer board 182, and the connecting member 183 is arranged between the first buffer board 181 and the second buffer board 182.
  • the first buffer plate 181 in this embodiment has a buffer concave surface 1811 on the side close to the second buffer plate 182, and the second buffer plate 182 has a buffer on the side close to the first buffer plate 181.
  • the convex surface 1821, the buffer concave surface 1811 and the buffer convex surface 1821 are disposed opposite to each other, and the gap between the buffer convex surface 1821 and the buffer concave surface 1811 forms a buffer zone.
  • the first buffer plate 181 may be made of elastic material; or the second buffer plate 182 may be made of elastic material; or both the first buffer plate 181 and the second buffer plate 182 may be made of elastic material.
  • both the first buffer plate 181 and the second buffer plate 182 are made of elastic materials.
  • the first buffer plate 181 and the second buffer plate 182 may both be rubber pads.
  • the third buffer member 18 further includes a first positioning portion 184 for positioning by the first positioning portion 184.
  • the first positioning portion 184 can be provided on the first buffer plate 181; or the first positioning portion 184 can be provided on the second buffer plate 182; or the first buffer plate 181 and the second buffer plate 182 can be provided with first Positioning part 184.
  • a first positioning portion 184 is provided at the end of the first buffer plate 181 away from the second buffer plate 182, and a first positioning portion is also provided at the end of the second buffer plate 182 away from the first buffer plate 181 184.
  • the accuracy of positioning can be improved, and the third buffer member 18 can be prevented from shifting in position during operation and causing buffering.
  • a second positioning portion is provided on the first axle box 12, and a third positioning portion is provided on the first saddle 15.
  • the second positioning portion is used for cooperating and positioning with the first positioning portion 184, and the third positioning portion Used to coordinate with the first positioning portion 184 for positioning.
  • the third buffer member 18 can be better positioned to better realize the dynamic performance effect.
  • the end wheelset assembly 10 further includes a first wearing part 191, which is arranged between the first positioning plate 161 and the side plate of the first axle box 12 to pass the first wearing part 191 reduces the wear of the first positioning plate 161.
  • the first wear member 191 may be disposed on the first positioning plate 161, the first wear member 191 may be made of a non-metallic material or a metal material, and the first wear member 191 may be a wear plate.
  • the end wheelset assembly 10 in this embodiment further includes a second wear member 192, which is disposed between the first oblique wedge structure 17 and the side plate of the first axle box 12 to pass through the The second wear part 192 slows the wear of the first oblique wedge structure 17.
  • the second wear member 192 is disposed on the side plate of the first oblique wedge structure 17, and the side plate of the first oblique wedge structure 17 is located between the bottom surface and the inclined surface of the first oblique wedge structure 17.
  • the second wear part 192 may be made of a metal material or a non-metal material, and the second wear part 192 may also be a wear plate.
  • the second wearing part 192 can be made of non-metallic materials such as leather.
  • the second wearing part 192 is in contact with the side plate of the axle box.
  • the second wearing part 192 can reduce the first axle box 12 and the first axle box.
  • the friction between the oblique wedge structures 17 also plays a role of damping and buffering.
  • the axle box suspension device further includes an intermediate wheel set assembly 20.
  • the intermediate wheel set assembly 20 includes: a second wheel set 21, a second axle box 22, a fourth buffer member 23, a fifth buffer member 24, a second saddle 25, a second diagonal wedge structure 26, and a third diagonal wedge structure 27 .
  • the second wheel set 21 is spaced apart from the first wheel set 11, and the second axle box 22 is arranged on the second wheel set 21.
  • the second axle box 22 includes a third support seat 221 and a fourth support seat 222.
  • the buffer 23 is arranged on the third support base 221
  • the fifth buffer 24 is arranged on the fourth support base 222
  • the second saddle 25 is arranged between the second wheelset 21 and the second axle box 22.
  • the second oblique wedge structure 26 is disposed on the fourth buffer member 23.
  • the third oblique wedge structure 27 is provided on the fifth buffer member 24.
  • Both the third buffer member 18 and the fourth buffer member 23 in this embodiment may be springs.
  • the second wheel set 21 is provided with a second bearing, and the second bearing saddle 25 is provided on the second bearing.
  • the second axle box 22 may have the same structure as the first axle box 12, and the second saddle 25 may have the same structure as the first saddle 15.
  • the first axle box 12 and the second axle box 22 may both have a symmetrical structure.
  • the fourth buffer member 23 at the lower part of the second oblique wedge structure 26 and the fifth buffer member 24 at the lower part of the third oblique wedge structure 27 will generate supporting force when compressed, and at the same time, the second The horizontal component force on the inclined surface of the oblique wedge structure 26 and the horizontal component force on the oblique surface of the third oblique wedge structure 27 are balanced with each other to achieve better dynamic performance effects.
  • the third oblique wedge structure 27 and the second oblique wedge structure 26 in this embodiment are the same structure, and the third oblique wedge structure 27 and the second oblique wedge structure 26 are symmetrically arranged on the second axle box 22. Adopting such a symmetrical structure arrangement can further improve the stability of dynamic performance.
  • the intermediate wheelset assembly 20 further includes a sixth buffer member 28 which is arranged between the second saddle 25 and the second axle box 22 to be buffered by the sixth buffer member 28.
  • a better dynamic performance effect can be achieved.
  • the provision of the sixth buffer member 28 can prevent the second axle box 22 from directly contacting the second saddle 25, thereby avoiding the wear between the second axle box 22 and the second saddle 25, and reducing the overall wear of the device.
  • the sixth buffer member 28 in this embodiment may have the same structure as the third buffer member 18.
  • a second wear member 192 is provided on the side of the second wedge structure 26 close to the second axle box 22, so that the second wedge structure 26 and the second axle box 22 are lowered by the second wear member 192 Wear between the side plates.
  • a second wear member 192 is also provided on the side of the third oblique wedge structure 27 close to the second axle box 22 to reduce the wear between the third oblique wedge structure 27 and the second axle box 22 through the second wear member 192 .
  • the middle wheelset assembly 20 further includes a third guide frame 291 and a fourth guide frame 292.
  • the third guide frame 291 is arranged above the second diagonal wedge structure 26, and the fourth guide frame 292 is arranged on the third guide frame.
  • Above the inclined wedge structure 27 The inclined surface of the third guide frame 291 is arranged opposite to the inclined surface of the second diagonal wedge structure 26, and the inclined surface of the fourth guide frame 292 is arranged opposite to the inclined surface of the third diagonal structure 27.
  • the cooperation of the two oblique wedge structure 26 and the cooperation of the fourth guide frame 292 and the third oblique wedge structure 27 can provide better positioning and better dynamic performance.
  • the first oblique wedge structure 17 may be arranged on the side of the first axle box 12 away from the second axle box 22; or, the first oblique wedge structure 17 may be arranged on the first axle box 12 close to the second axle box 22 One side. In this embodiment, the first oblique wedge structure 17 is arranged on the side of the first axle box 12 close to the second axle box 22. With such a setting, the stability of dynamic performance can be better improved.
  • the axle box suspension device in this embodiment includes two end wheelset assemblies 10 and an intermediate wheelset assembly 20, and the intermediate wheelset assemblies 20 are arranged on the two end wheelset assemblies 10. In between, the middle wheelset assembly 20 and the two end wheelset assemblies 10 are both spaced apart.
  • the axle box suspension device in this embodiment can better provide stability of dynamic performance.
  • the second embodiment of the present invention provides a bogie.
  • the bogie includes an axle box suspension device and a frame 30, wherein the axle box suspension device is the axle box suspension device provided in the first embodiment.
  • the frame 30 in this embodiment is arranged above the first guide frame 16, the second guide frame 110, the third guide frame 291 and the fourth guide frame 292.
  • the above-mentioned embodiment of the present invention achieves the following technical effects: it can effectively improve the vehicle dynamics performance and realize the technical upgrade; it ensures the continuous stability of the vehicle dynamics performance, and improves the safety and reliability. Performance; Achieves no wear between the first axle box 12 and the first saddle 15, realizes no wear between the second axle box 22 and the second saddle 25, and reduces maintenance and repair costs; A third buffer member 18 is provided in the axle box 12, and a sixth buffer member 28 is provided in the second axle box 22, so that the elastic positioning of the end wheelset assembly 10 and the intermediate wheelset assembly 20 can be realized, which has a low power effect.
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, vertical, horizontal” and “top, bottom”, etc. indicate the orientation Or positional relationship is usually based on the positional or positional relationship shown in the drawings, which is only used to facilitate the description of the present invention and simplify the description. Unless otherwise stated, these positional words do not indicate or imply the pointed device or element It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the protection scope of the present invention; the orientation word “inside and outside” refers to the inside and outside relative to the contour of each component itself.
  • spatially relative terms such as “above”, “above”, “above”, “above”, etc. can be used here to describe as shown in the figure. Shows the spatial positional relationship between one device or feature and other devices or features. It should be understood that the spatially relative terms are intended to encompass different orientations in use or operation other than the orientation of the device described in the figure. For example, if the device in the figure is inverted, then the device described as “above the other device or structure” or “above the other device or structure” will then be positioned as “below the other device or structure” or “on Under other devices or structures”. Thus, the exemplary term “above” can include both orientations “above” and “below”. The device can also be positioned in other different ways (rotated by 90 degrees or in other orientations), and the relative description of the space used here is explained accordingly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Handcart (AREA)
  • Vibration Dampers (AREA)

Abstract

L'invention concerne un dispositif de suspension de boîte d'essieu. Le dispositif de suspension de boîte d'essieu comprend un ensemble paire de roues de partie d'extrémité (10). L'ensemble paire de roues de partie d'extrémité (10) comprend une première paire de roues (11), une première boîte d'essieu (12), une première pièce tampon (13), une deuxième pièce tampon (14) et un premier corps de palier (15). La première boîte d'essieu (12) est agencée sur la première paire de roues (11), la première boîte d'essieu (12) comprend une première base de support (121) et une seconde base de support (122), la première pièce tampon (13) est agencée sur la première base de support (121), la deuxième pièce tampon (14) est agencée sur la seconde base de support (122), et le premier corps de palier (15) est agencé entre la première paire de roues (11) et la première boîte d'essieu (12) ; un premier cadre de guidage (16) est agencé sur la première pièce tampon (13), et une première plaque de positionnement (161) est agencée à l'opposé d'une plaque latérale de la première boîte d'essieu (12) ; le fond d'une première structure de coin incliné (17) est relié à la deuxième pièce tampon (14) ; un second cadre de guidage (110) est agencé dans le plan incliné de la première structure de coin incliné (17) ; et une troisième pièce tampon (18) est agencée entre le premier corps de palier (15) et la première boîte d'essieu (12). L'invention concerne en outre un bogie équipé du dispositif de suspension de boîte d'essieu. La solution technique de la présente invention peut résoudre le problème technique de l'état de la technique selon lequel des performances dynamiques d'un dispositif de suspension de boîte d'essieu sont instables.
PCT/CN2019/098689 2019-03-25 2019-07-31 Dispositif de suspension de boîte d'essieu et bogie équipé de ce dernier Ceased WO2020191979A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112020021815-4A BR112020021815B1 (pt) 2019-03-25 2019-07-31 Dispositivo de suspensão de caixa de eixo e truque tendo o mesmo
KR1020207031498A KR102468623B1 (ko) 2019-03-25 2019-07-31 축박스 서스펜션장치 및 이를 구비한 보기대차

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910228677.3A CN109910939A (zh) 2019-03-25 2019-03-25 轴箱悬挂装置及具有其的转向架
CN201910228677.3 2019-03-25

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Publication Number Publication Date
WO2020191979A1 true WO2020191979A1 (fr) 2020-10-01

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PCT/CN2019/098689 Ceased WO2020191979A1 (fr) 2019-03-25 2019-07-31 Dispositif de suspension de boîte d'essieu et bogie équipé de ce dernier

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KR (1) KR102468623B1 (fr)
CN (1) CN109910939A (fr)
WO (1) WO2020191979A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112937625A (zh) * 2021-01-08 2021-06-11 江苏纽尔轨道车辆科技有限公司 一种铁路货车及其转向架

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109910939A (zh) * 2019-03-25 2019-06-21 中车齐齐哈尔车辆有限公司 轴箱悬挂装置及具有其的转向架
FR3114292A1 (fr) * 2020-09-23 2022-03-25 Alstom Transport Technologies Bogie de véhicule ferroviaire, véhicule et procédé d’installation d’essieu associés
CN112918502B (zh) * 2021-03-29 2025-02-07 中车齐齐哈尔车辆有限公司 轴箱悬挂装置、转向架及铁路货车

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