WO2021089047A1 - 转向架总成及轨道车辆 - Google Patents

转向架总成及轨道车辆 Download PDF

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Publication number
WO2021089047A1
WO2021089047A1 PCT/CN2020/127540 CN2020127540W WO2021089047A1 WO 2021089047 A1 WO2021089047 A1 WO 2021089047A1 CN 2020127540 W CN2020127540 W CN 2020127540W WO 2021089047 A1 WO2021089047 A1 WO 2021089047A1
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WO
WIPO (PCT)
Prior art keywords
mounting seat
lateral stop
lateral
rail vehicle
frame
Prior art date
Application number
PCT/CN2020/127540
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
杨怡
谭志成
柴盈盈
Original Assignee
比亚迪股份有限公司
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
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to BR112022008735A priority Critical patent/BR112022008735A2/pt
Publication of WO2021089047A1 publication Critical patent/WO2021089047A1/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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
    • B61F5/245—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies
    • 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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the 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
    • 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

  • This application belongs to the technical field of rail transit, and in particular relates to a bogie assembly and a rail vehicle.
  • Rail vehicles generally include multiple carriages.
  • the carriages are generally erected on rail beams through bogies, and the bogies and the car body are connected by suspension devices.
  • suspension devices When rail vehicles pass through some track beams with small curvature radius, it is easy to cause lateral movement of the vehicle.
  • lateral stops are generally set on the bogies to limit Lateral displacement of rail vehicles.
  • the existing bogies usually need to be provided with lateral stop and overcharge prevention devices respectively, which makes the structure of the bogie and the entire rail vehicle complicated.
  • This application aims to solve one of the technical problems in the related technology at least to a certain extent.
  • the technical problem to be solved by this application is: the existing bogie assembly needs to be separately provided with a lateral stop that limits the lateral displacement of the rail vehicle and a limiting device to prevent the overcharge of the air spring, resulting in the bogie and the entire rail vehicle
  • the structure of the complex technical problems is: the existing bogie assembly needs to be separately provided with a lateral stop that limits the lateral displacement of the rail vehicle and a limiting device to prevent the overcharge of the air spring, resulting in the bogie and the entire rail vehicle.
  • an embodiment of the present application provides a bogie assembly suitable for rail vehicles, including:
  • the suspension device is connected between the frame and the vehicle body;
  • Lateral stop mounting seat connected to the frame
  • a lateral stop connected to the suspension device and located between the suspension device and the frame, the lateral stop being adapted to cooperate with the lateral stop mounting seat in the width direction of the rail vehicle;
  • the limit plate is connected with the suspension device and is located below the lateral stop mounting seat, and the limit plate is adapted to cooperate with the lateral stop mounting seat in the height direction of the rail vehicle.
  • the bogie assembly further includes an electric assembly, the electric assembly is installed on the frame, the projection of the suspension device along the width direction of the rail vehicle and the electric assembly along the track The projections in the width direction of the vehicle overlap at least partially.
  • the lateral stop and the lateral stop mounting seat are located between the suspension device and the electric assembly in the width direction of the rail vehicle.
  • the suspension device includes an air spring and an air spring connecting seat, the air spring connecting seat is used to connect with the vehicle body, and the limit plate and the lateral stop are both provided on the air spring.
  • an air spring mounting seat is formed on the frame, and the air spring is connected between the air spring mounting seat and the air spring connecting seat.
  • the bogie assembly further includes a vertical shock absorber and a transverse shock absorber.
  • the vertical shock absorber extends along the height direction of the rail vehicle and is connected to the frame and the air spring. Between the connecting seats, in the width direction of the rail vehicle, the transverse shock absorber is connected between the frame and the suspension device.
  • the frame includes a frame body and a brake disc mounting seat
  • the brake disc mounting seat is provided at the first end of the frame body in the width direction and is suitable for installing a brake disc
  • the first lateral stop mounting seat is arranged on the brake disc mounting seat
  • the The second lateral stop mounting seat is connected to the second end of the frame body in the width direction.
  • first lateral stop there are two lateral stops, a first lateral stop and a second lateral stop, respectively, and the first lateral stop is arranged corresponding to the first lateral stop mounting seat, The projection of the first lateral stop along the width direction of the rail vehicle and the projection of the brake disc along the width direction of the rail vehicle at least partially overlap.
  • the lateral stop mounting seat includes a mounting base, a lateral limit plate, and a vertical limit plate, the mounting base is connected to the frame, and the vertical limit plate is connected to the The bottom of the installation base is vertically arranged with the lateral limit plate.
  • the mounting base of the first lateral stop mounting seat includes a U-shaped part and a connecting piece.
  • the connecting pieces are provided with two and are respectively connected to both ends of the U-shaped part to connect the U-shaped part.
  • the U-shaped part and the brake disc mounting seat, the lateral limit plate and the vertical limit plate are all connected to the bottom of the U-shaped part.
  • the bogie assembly of this application is suitable for rail vehicles.
  • the rail vehicle passes a small radius of curvature, the vehicle body moves laterally, and the lateral stop is matched with the lateral stop seat on the frame to limit the lateral movement of the vehicle body.
  • the limit plate on the suspension device cooperates with the lateral stop seat in the vertical direction to limit the displacement of the suspension device in the vertical direction, thereby preventing the suspension device from excessive displacement And be destroyed.
  • the bogie assembly utilizes a simple structure to limit the lateral movement of the rail vehicle and the vertical displacement of the suspension device, which simplifies the structure of the entire bogie assembly and saves costs.
  • the spreader directly acts on the car body, and the force of the spreader is transmitted to the suspension device through the car body.
  • the limit plate and the lateral stop mounting seat The abutting fit enables the suspension device to drive the bogie assembly to hoist, thereby preventing the car body and the bogie assembly from pulling apart.
  • the bogie assembly can limit the lateral shaking of the car body, protect the suspension device and lift the entire rail vehicle by only setting the lateral stop mounting seat, the lateral stop and the limit plate, which simplifies the entire bogie assembly.
  • the structure reduces the weight and cost.
  • a rail vehicle including a car body, a traveling wheel, and the above-mentioned bogie assembly
  • the traveling wheel is adapted to be mounted on the bogie assembly
  • the bogie assembly is located at At the bottom of the vehicle body, the vehicle body includes a housing and a bottom plate, a passenger area is defined between the bottom plate and the housing, and the traveling wheels protrude from the bottom plate in a vertical direction.
  • the rotation axis of the traveling wheel is located below the bottom plate.
  • Figure 1 is a schematic diagram of a bogie assembly provided by an embodiment of the present application.
  • Figure 2 is a front view of the bogie assembly shown in Figure 1;
  • Figure 3 is a top view of the bogie assembly shown in Figure 1;
  • Fig. 4 is a schematic diagram of a part of the structure of the bogie assembly shown in Fig. 1;
  • Figure 5 is a front view of a partial structure of the bogie assembly shown in Figure 4;
  • Fig. 6 is a schematic diagram of the bogie assembly described in Fig. 4 including a first lateral stop
  • Fig. 7 is a schematic diagram of the bogie assembly shown in Fig. 4 including a second lateral stop
  • Fig. 8 is a schematic diagram of the frame of the bogie assembly shown in Fig. 1;
  • FIG. 9 is a schematic diagram from another perspective of the framework shown in FIG. 8;
  • Fig. 10 is a schematic diagram of the first lateral stop mounting seat of the bogie assembly shown in Fig. 1;
  • Fig. 11 is a schematic diagram of a second lateral stop mounting seat of the bogie assembly shown in Fig. 1.
  • Transverse shock absorber 30. Vertical shock absorber mounting seat; 40. Horizontal shock absorber mounting seat; 50. Guide wheel mounting seat; 60. Stabilizing wheel mounting seat; 70. Guide wheel; 80. Stabilizing wheel 100, bogie assembly; 200, rail vehicle; 210, car body; 211, shell; 212, floor; 213, passenger area.
  • the "lateral” in this article refers to the width direction of the rail vehicle.
  • the width direction of the rail vehicle refers to the left and right direction of the rail vehicle
  • the height direction of the rail vehicle refers to the vertical direction of the rail vehicle
  • the length direction of the rail vehicle refers to the front and rear direction of the rail vehicle.
  • the width direction of the bogie assembly including the frame is consistent with the width direction of the rail vehicle
  • the height direction of the bogie assembly including the frame is consistent with the height direction of the rail vehicle
  • an embodiment of the present application provides a bogie assembly 100, which includes a frame 1, a suspension device 2, a lateral stop mounting seat 3, a lateral stop 4 and a limit plate 5, and a suspension device 2 It is connected between the frame 1 and the vehicle body 210 to reduce the vibration of the vehicle body 210 in the vertical direction.
  • the lateral stop 4 is connected to the suspension device 2 and is located between the suspension device 2 and the frame 1.
  • the lateral stop 4 is suitable for The width direction of the rail vehicle 200 is matched with the transverse stop mounting seat 3, the limit plate 5 is connected to the suspension device 2 and is located below the transverse stop mounting seat 3, and the limit plate 5 is suitable for the height direction of the rail vehicle 200 Cooperate with the horizontal stop mounting seat 3.
  • the bogie assembly 100 When the bogie assembly 100 is used on a rail vehicle 200, when the rail vehicle 200 passes a small radius of curvature, the vehicle body 210 will move laterally, and the lateral stop 4 is matched with the lateral stop mounting seat 3 on the frame 1, thereby restricting the vehicle. The lateral movement of the body 210.
  • the limit plate 5 on the suspension device 2 cooperates with the lateral stop mounting seat 3 in the vertical direction to limit the displacement of the suspension device 2 in the vertical direction, thereby Prevent the suspension device 2 from being damaged due to excessive displacement.
  • the bogie assembly 100 can limit the lateral movement of the rail vehicle 200 and the vertical displacement of the suspension device 2 with a simple structure, which simplifies the structure of the entire bogie assembly 100 and saves costs.
  • the spreader directly acts on the car body 210, and the force of the spreader is transmitted to the suspension device 2 through the car body 210.
  • the limit plate 5 It abuts and cooperates with the lateral stop mounting seat 3, so that the suspension device 2 can drive the bogie assembly 100 to be hoisted, thereby preventing the vehicle body 210 and the bogie assembly 100 from pulling apart.
  • the bogie assembly 100 can limit the lateral shaking of the car body 210, protect the suspension device 2 and lift the entire rail vehicle 200 by merely providing the lateral stop mounting seat 3, the lateral stop 4 and the limit plate 5, simplifying the functions
  • the structure of the entire bogie assembly 100 is reduced, and the weight and cost are reduced. It is understandable that the cooperation of the lateral stop 4 and the lateral stop mounting seat 3 in this text refers to the abutment of the lateral stop 4 and the lateral stop mounting seat 3, and the stop plate 5 and the lateral stop mounting seat 3 cooperate with each other. It is that the limit plate 5 abuts against the lateral stop mounting seat 3.
  • the bogie assembly 100 also includes an electric assembly 6.
  • the electric assembly 6 is mounted on the frame 1.
  • the projection of the suspension device 2 along the width direction of the rail vehicle 200 and the electric assembly 6 along the track The projections in the width direction of the vehicle 200 overlap at least partially. In this way, the height difference between the top of the suspension device 2 and the top of the electric assembly 6 is reduced, thereby reducing the height of the electric assembly 6 protruding from the floor 212 of the vehicle body 210, and increasing the passenger area 213 in the vehicle body 210. Space.
  • the lateral stop 4 and the lateral stop mounting seat 3 are located between the suspension device 2 and the electric assembly 6 in the width direction of the rail vehicle 200, so as to avoid the electric assembly during the transverse movement of the car body 210. 6 collides with the suspension device 2, that is, the electric assembly 6 and the suspension device 2 are protected during the transverse movement of the vehicle body 210.
  • the suspension device 2 includes an air spring 21 and an air spring connecting seat 22.
  • An air spring mounting seat 13 is formed on the frame 1, and the air spring 21 is connected between the air spring mounting seat 13 and the air spring connecting seat 22.
  • the air spring connecting seat 22 is used to connect with the vehicle body 210, and the limiting plate 5 and the lateral stop 4 are arranged on the air spring connecting seat 22.
  • the limit plate 5 is located below the lateral stop mounting seat 3. In this way, when the air spring 21 is overcharged, the limit plate 5 moves upward to abut against the lateral stop mounting seat 3 to limit the air spring 21 from continuing to overcharge, thereby protecting the air spring 21. Therefore, the limit plate 5
  • the cooperation between 5 and the lateral stop mounting seat 3 is also equivalent to the overcharge prevention device of the bogie assembly 100, which protects the suspension device 2.
  • the limiting plate 5 and the lateral stop 4 may be fixed on the air spring connecting seat 22 by bolt connection, or may be fixed on the air spring connecting seat 22 by welding. It can be understood that the connection mode of the limit plate 5 and the air spring connection base 22 and the connection mode of the lateral stop 4 and the air spring connection base 22 may be the same or different.
  • connection between the vehicle body 210 and the air spring connection base 22 may be a bolt connection, or may be other fixing methods such as welding.
  • the overcharge of the air spring 21 can be restricted by the lateral stop mounting seat 3 and the limit plate 5 provided on the air spring connecting seat 22, and the structure is simple and ingenious, eliminating the need for the air spring provided in the prior art.
  • the multiple slings around 21 reduce the weight of the rail vehicle 200, which is beneficial to the realization of the light weight of the rail vehicle 200.
  • the frame 1 includes a frame body 11 and an air spring mounting seat 13.
  • the frame body 11 is frame-shaped, and two air spring mounting seats 13 are provided along the width of the rail vehicle 200.
  • the direction is symmetrically connected to both sides of the frame body 11.
  • the air spring mounting seat 13 and the frame body 11 are integrally formed.
  • the air spring mounting seat 13 can also be welded to the frame body 11.
  • the frame body 11 includes a first beam 111, a second beam 112, a third beam 113, and a fourth beam 114 that are sequentially connected.
  • the first beam 111 and the third beam 113 are in the rail vehicle 200
  • the second beam 112 and the fourth beam 114 are oppositely arranged in the front and rear direction of the rail vehicle 200.
  • the bottom of the first beam 111 extends outward to form a first connecting portion 115, and the bottom of the third beam 113
  • a second connecting portion 116 is formed extending outwards, one of the air spring mounting seats 13 is arranged above the first connecting portion 115, and the other air spring mounting seat 13 is arranged above the second connecting portion 116.
  • a central traction rod mounting seat 7 is provided on the second beam 112.
  • one of the air spring mounting seats 13 may also be integrally formed with the first connecting portion 115, and the other air spring mounting seat 13 may be integrally formed with the second connecting portion 116.
  • one of the two suspension devices 2 is located on the air spring mounting seat 13 of the first connecting portion 115, and the other is located on the air spring mounting seat 13 of the second connecting portion 116.
  • the first connecting portion 115 and the second connecting portion 116 are each formed with a lower traction rod mounting seat 8 for mounting the traction rod, and the two lower traction rod mounting seats 8 are
  • the rail vehicle 200 is arranged symmetrically with respect to the central drawbar mounting seat 7 in the width direction, so that the bogie assembly 100 maintains a balance.
  • the bogie assembly 100 also includes a vertical shock absorber 10 and a transverse shock absorber 20.
  • the vertical shock absorber 10 extends along the height direction of the rail vehicle 200 and is connected to the frame 1 and the air spring connecting seat. 22, in the width direction of the rail vehicle 200, the transverse shock absorber 20 is connected between the frame 1 and the suspension device 2.
  • the first connecting portion 115 and the second connecting portion 116 are each provided with a vertical damper mounting seat 30, and the first beam 111 and the third beam 113 are provided There is a transverse damper mounting seat 40, the vertical damper 10 is connected between the vertical damper mounting seat 30 and the air spring connecting seat 22, and the transverse damper 20 is connected to the transverse damper mounting seat 40 and air Between the springs 22.
  • the transverse damper 20 gradually extends downward, so that the transverse damper 20 can both relieve the transverse vibration , It can also alleviate the vibration in the vertical direction.
  • the transverse shock absorber 20 may also extend along the width direction of the rail vehicle 200, or in the direction from the transverse shock absorber mounting seat 40 to the air spring mounting seat 13, the transverse shock absorber 20 gradually upwards Extend, as long as the lateral shock absorber 20 can alleviate lateral vibration.
  • the two transverse shock absorbers 20 are arranged symmetrically with respect to the central axis of the frame body 11, that is, one of the transverse shock absorbers 20 Located in front of the front and rear symmetry plane of the frame body 11 and at one end in the width direction of the frame body 11, the other transverse damper 20 is positioned behind the front and back symmetry plane of the frame body 11 and at the other end in the width direction of the frame body 11.
  • one of the vertical shock absorbers 10 is arranged in front of the front and rear symmetry plane of the frame body 11 and located at one end of the width direction of the frame body 11, and the other vertical shock absorber 10 is arranged on the front and rear symmetry plane of the frame body 11. It is located at the other end of the frame body 11 in the width direction. In this way, the vertical shock absorber 10 and the lateral shock absorber 20 can maintain a balance as much as possible during the lateral vibration and vertical vibration of the vehicle body 210.
  • the frame 1 further includes a brake disc mounting seat 12, which is arranged at the first end of the frame body 11 in the width direction and is suitable for mounting a brake disc.
  • the lateral stop mounting seat 3 is provided There are two, namely the first lateral stop mounting seat 34 and the second lateral stop mounting seat 35.
  • the first lateral stop mounting seat 34 is connected to the brake disc mounting seat 12, and the second lateral stop mounting seat 35 It is connected to the second end of the frame body 11 in the width direction.
  • the brake disc mounting seat 12 is provided on the first beam 111 and the second lateral stop mounting seat 35 is provided on the third beam 113.
  • the cross section of the brake disc mounting seat 12 is roughly semicircular, and the first beam 111 is formed with a notch corresponding to the brake disc mounting seat 12 to form an operating space.
  • the brake disc and the electric assembly 6 are located on both sides of the brake disc mounting seat 12, respectively.
  • two lateral stops 4 are provided, namely a first lateral stop 41 and a second lateral stop 42.
  • the first lateral stop 41 and the first lateral stop mounting seat 34 are arranged correspondingly, and the second lateral stop
  • the stop 42 is arranged corresponding to the second lateral stop mounting seat 35, and the projection of the first lateral stop 41 along the width direction of the rail vehicle 200 and the projection of the brake disc along the width direction of the rail vehicle 200 at least partially overlap.
  • the first lateral stop 41 is located in the working area of the brake disc.
  • the lateral shaking of the vehicle body 210 relative to the bogie assembly 100 can be transmitted to the bogie assembly 100 to the greatest extent, so that the buffer of the first lateral stop 41 and the first lateral stop mounting seat 34 can be utilized to the greatest extent. It relieves lateral shaking, improves the stability of the vehicle and the comfort of passengers. This is because the center of gravity of the frame 1, the center of gravity of the electric assembly 6 and the center of gravity of the traveling wheels connected to the electric assembly 6 are all located on the center axis of the brake disc.
  • the stop 41 and the second lateral stop 42 are as close as possible to the center axis of the brake disc in the height direction of the rail vehicle 200, so that the lateral shaking of the car body 210 can pass through the first lateral stop 41 and the first lateral stop 41 as much as possible.
  • the cooperation of a lateral stop mounting seat 34 and the cooperation of the second lateral stop 42 and the second lateral stop mounting seat 35 are transmitted to the bogie assembly 100. It can be understood that the projection of the second lateral stop 42 in the width direction of the rail vehicle 200 may also at least partially overlap with the projection of the brake disc in the width direction of the rail vehicle 200.
  • the projections of the first lateral stop 41 and the second lateral stop 42 along the width direction of the rail vehicle 200 may all be located in the projection of the brake disc along the width direction of the rail vehicle 200, or it may be the first The projection portions of the one lateral stop 41 and the second lateral stop 42 along the width direction of the rail vehicle 200 are located in the projection of the brake disc along the width direction of the rail vehicle 200.
  • the first lateral stop 41 may also be located on the center axis of the brake disc, so that the lateral shaking of the vehicle body 210 can pass through the first lateral stop 41 and the first lateral stop mounting seat to the maximum.
  • the cooperation of 34 is transmitted to the bogie assembly 100.
  • the second lateral stop 42 can also be located on the center axis of the brake disc, so that the lateral shaking of the vehicle body 210 can pass through the second lateral stop 42 to the maximum.
  • the cooperation with the second lateral stop mounting seat 35 is transmitted to the bogie assembly 100.
  • the first lateral stop 41 and the second lateral stop 42 may also be located below the brake disc.
  • the present application does not specifically limit which side of the frame main body 11 the brake disc is located. It can be located on the left side of the frame main body 11 or on the right side of the frame main body 11.
  • the first lateral stop mounting seat 34 is also located on the left side of the frame body 11.
  • the brake disk is located on the right side of the frame body 11
  • the first lateral stop mounting seat 34 is also located on the right side of the frame body 11.
  • the lateral stop mounting seat 3 includes a mounting base 31, a lateral limit plate 32, and a vertical limit plate 33.
  • the mounting base 31 is connected to the frame 1
  • the vertical limit plate 33 is connected to the bottom of the mounting base 31
  • the horizontal limiting plate 32 is connected to the bottom of the mounting base 31
  • the vertical limiting plate 33 is perpendicular to the horizontal limiting plate 32.
  • the mounting base 31 of the first lateral stop mounting seat 34 includes a U-shaped portion 341 and a connecting piece. Two connecting pieces are provided and connected to both ends of the U-shaped portion 341 to connect the brake disc. Mounting base 12 and U-shaped portion 341. The opening of the U-shaped portion 341 faces the brake disc mounting seat 12, and the horizontal limiting plate 32 and the vertical limiting plate 33 are both connected to the bottom of the U-shaped portion 341.
  • the U-shaped portion 341 of the first lateral stop mounting seat 34 is designed so that an opening is formed on the first lateral stop mounting seat 34.
  • the design of the opening can avoid the brake disc and provide operating space for the installation of the brake disc , And can reduce the weight of the lateral stop mounting seat 3.
  • connection between the mounting base 31 of the first lateral stop mounting seat 34 and the frame 1 can be a detachable connection such as bolt connection.
  • a detachable connection such as bolt connection.
  • an embodiment of the present application further provides a rail vehicle 200, which includes a car body 210 and the bogie assembly 100 in the above embodiment.
  • the bogie assembly 100 further includes a traveling wheel 9, which is suitable for traveling.
  • the bogie assembly 100 When installed on the frame 1, the bogie assembly 100 is located at the bottom of the car body 210.
  • the car body 210 includes a housing 211 and a floor 212.
  • a passenger area 213 is defined between the floor 212 and the housing 211, which is at the height of the rail vehicle 200.
  • the traveling wheel 9 protrudes from the bottom plate 212 in the vertical direction, and the rotation axis 9a of the traveling wheel 9 is located below the bottom plate 212. In this way, the parts of the traveling wheels 9 protruding from the bottom plate 212 are less, so that a certain low floor can be achieved and the space of the passenger area 213 can be increased.
  • the rail vehicle 200 further includes a guide wheel 70 and a stabilizing wheel 80.
  • the frame body 11 is provided with a guide wheel mounting seat 50 and a stabilizing wheel mounting seat 60.
  • the guide wheel 70 is suitable for mounting on the guide wheel.
  • the stabilizer wheel 80 is suitable for being arranged on the stabilizer wheel mounting seat 60.
  • both the first connecting portion 115 and the second connecting portion 116 are provided with a stabilizing wheel mounting seat 60, and in the width direction of the rail vehicle, a guide wheel mounting seat 50 is symmetrically provided on the second beam 112.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, “multiple” means two or more, unless it is specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • installed can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • the first feature “on” or “under” the second feature may be in direct contact with the first and second features, or the first and second features may be indirectly through an intermediary. contact.
  • the "above”, “above” and “above” of the first feature on the second feature may mean that the first feature is directly above or diagonally above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” of the second feature of the first feature may be that the first feature is directly below or obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
PCT/CN2020/127540 2019-11-08 2020-11-09 转向架总成及轨道车辆 WO2021089047A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR112022008735A BR112022008735A2 (pt) 2019-11-08 2020-11-09 Conjunto de vagão de plataforma e veículo ferroviário

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911088097.5A CN112776845B (zh) 2019-11-08 2019-11-08 转向架总成及轨道车辆
CN201911088097.5 2019-11-08

Publications (1)

Publication Number Publication Date
WO2021089047A1 true WO2021089047A1 (zh) 2021-05-14

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Application Number Title Priority Date Filing Date
PCT/CN2020/127540 WO2021089047A1 (zh) 2019-11-08 2020-11-09 转向架总成及轨道车辆

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CN (1) CN112776845B (pt)
BR (1) BR112022008735A2 (pt)
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