CN109747676B - Railway vehicle bogie with eddy current braking device and railway vehicle - Google Patents

Railway vehicle bogie with eddy current braking device and railway vehicle Download PDF

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Publication number
CN109747676B
CN109747676B CN201910146556.4A CN201910146556A CN109747676B CN 109747676 B CN109747676 B CN 109747676B CN 201910146556 A CN201910146556 A CN 201910146556A CN 109747676 B CN109747676 B CN 109747676B
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China
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brake
eddy current
beams
railway vehicle
mounting
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CN109747676A (en
Inventor
高常君
李家宝
王云鹏
杨婧
许长江
徐聪
许钦华
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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Abstract

The invention relates to railway vehicle bogie with an eddy current brake device and a railway vehicle, wherein the bogie comprises a framework, a wheel set axle box positioning system arranged at the end part of the framework, a basic brake device and an eddy current brake device arranged below the framework, the framework comprises two side beams and two main beams connected with the middle sections of the side beams at the two sides, the middle sections of the side beams are concave, longitudinal beams are sleeved at the two end parts of the main beams and connected with the two main beams, the two ends of each longitudinal beam are connected with auxiliary beams, the auxiliary beams are positioned outside the main beams, the wheel set axle box positioning system is connected with the end parts of the two side beams, the basic brake device is arranged outside the auxiliary beams, and the eddy current brake device is arranged at the end parts of the auxiliary beams.

Description

Railway vehicle bogie with eddy current braking device and railway vehicle
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to railway vehicle bogies and railway vehicles.
Background
The bogie serves as , an important component of a rail vehicle, and the performance parameters of the bogie member and components play a crucial role in the operational quality, dynamics and passenger transport safety of the rail vehicle.
In the prior art, most bogie braking systems adopt an electric braking mode, a disc braking mode or a shoe braking mode. Because the braking effect of the braking mode is influenced by the adhesion performance between the wheel rails, the adhesion capacity between the wheel rails is obviously reduced when the railway vehicle runs at high speed, and the technical problems of increased braking distance, serious sliding, wheel pair scratch and the like can be caused by the braking mode. With the start of a domestic 400km/h high-speed rail project, the bogie adopting the traditional braking mode cannot meet the requirement of safe parking.
Disclosure of Invention
The invention provides railway vehicle bogie with eddy current brake device and railway vehicle, aiming at the problems of large brake distance, serious sliding, wheel pair abrasion and the like existing in the braking process of the existing railway vehicle in high-speed running, the bogie can realize the effective braking of the railway vehicle in high-speed running, is not influenced by the adhesion performance between wheel rails, and improves the braking performance of the train in high-speed running.
In order to achieve the purpose, the invention provides a railway vehicle bogie with an eddy current braking device, which comprises a framework, a wheel set axle box positioning system, a basic braking device and an eddy current braking device, wherein the wheel set axle box positioning system is arranged at the end part of the framework, the eddy current braking device is arranged below the framework, the framework comprises two side beams and two main cross beams connected with the middle sections of the side beams at two sides, the middle sections of the side beams are concave, longitudinal beams are sleeved at the two end parts of the main cross beams and connected with the two main cross beams, auxiliary cross beams are connected with the two ends of the longitudinal beams and positioned at the outer sides of the main cross beams, the wheel set axle box positioning system is arranged at the end part of the two side beams, the basic braking device is arranged.
Preferably, a square connecting seat is arranged at a lower recess of the middle section of the inner side of the side beam, and the side beam is connected with the main cross beam through the square connecting seat.
Preferably, the wheel-set axle box positioning system comprises a wheel set and a rotating arm axle box arranged at the end part of the axle, the axle of the wheel set is parallel to the main cross beam, the rotating arm axle box is connected with a positioning node mounting seat arranged below the side beam, and a mounting box is arranged below the rotating arm axle box.
Preferably, the two ends of the auxiliary cross beam are welded with U-shaped eddy current brake mounting seats, and the eddy current brake device is hoisted on the eddy current brake mounting seats.
Preferably, the eddy current brake device comprises an eddy current brake, a longitudinal pull rod of which the end is connected with the eddy current brake, a supporting arm of which the end is connected with the mounting box, an air gap adjusting unit connected with the other end of the supporting arm, and an eddy current brake hoisting structure connected with the eddy current brake, wherein the other end of the longitudinal pull rod is connected with a longitudinal pull rod mounting seat arranged at the bottom of the side beam.
, the suspension system comprises a series suspension system, wherein the 0 series suspension system comprises a 1 series vertical shock absorber, a series shock absorber spring and a series positioning node arranged below the side beam, the upper part of the series vertical shock absorber is connected with a series vertical shock absorber seat arranged at the end part of the side beam, the lower part of the series vertical shock absorber is connected with a series vertical shock absorber mounting seat arranged on the side surface of the rotating arm axle box, the upper part of the series shock absorber spring is connected with a spring box arranged at the end part of the side beam, the lower part of the series shock absorber spring is connected with a series spring seat arranged above the rotating arm axle box, and the series positioning node is.
, the suspension system further comprises a secondary suspension system, wherein the secondary suspension system comprises a secondary air spring, an anti-snaking damper, a secondary vertical damper, an anti-rolling torsion bar device, a transverse stopping block and a transverse damper, the anti-snaking damper is connected with an anti-snaking damper base, the end part of the secondary vertical damper is connected with an installation base, the end part of the anti-rolling torsion bar device is connected with an installation base, the installation base is arranged on the outer side of the side beam, the transverse stopping block and the transverse damper are arranged on the longitudinal beam, the Z-shaped traction pull rod is arranged on the main cross beam, the upper part of the longitudinal beam is connected with a transverse stopping base used for installing the transverse stopping block and a transverse damper base used for installing the transverse damper, the transverse stopping base is connected to the middle part of the longitudinal beam, the transverse damper base is arranged on the transverse stopping base side, and the upper part of the main cross beam is provided with a traction pull rod base, and the Z-shaped.
, the basic brake device comprises a caliper brake and a caliper brake with parking brake, the auxiliary beam is provided with a th basic brake installation seat and a second basic brake installation seat, the caliper brake is installed on the th basic brake installation seat, the caliper brake is installed on the second basic brake installation seat, two th basic brake installation seats arranged on the two auxiliary beams are arranged in an oblique symmetry mode, and two second basic brake installation seats arranged on the two auxiliary beams are arranged in an oblique symmetry mode.
Preferably, the axle is provided with two brake discs, which are located on the inside of the wheel, brake discs cooperating with the caliper brakes and brake discs cooperating with the caliper brakes with parking brakes.
In order to achieve the purpose, the invention further provides railway vehicles, which comprise vehicle bodies and bogies, wherein the bogies are railway vehicle bogies with eddy current braking devices, and the vehicle bodies are connected with a secondary suspension system.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) according to the bogie provided by the invention, the frame structure adopts an H-shaped structure consisting of the side beam, the cross beam, the small longitudinal beam and the small cross beam, and the middle section of the side beam is concave, so that the installation height of the air spring is reduced, the purpose of reducing the height of the floor of the bogie body is realized, and the stability of high-speed running of a train is improved.
(2) The bogie provided by the invention adopts a mode of combining eddy current braking and basic braking to brake, and designs a framework and a wheel set axle box positioning system which are matched with the eddy current braking device and the basic braking device, so that the bogie participates in braking when a train runs at a high speed, the braking force of the eddy current brake is not limited by the friction coefficient of wheel tracks, the bogie is non-adhesive braking and large in braking force, and the braking deceleration is increased, the braking distance is reduced, the braking time is shortened and the requirements of safety, stability and stability of high-speed running are met by combining the bogie with the basic braking. The technical problems of large braking distance, serious sliding, wheel pair scratching, long moving block section and the like of the traditional high-speed bogie adopting adhesion braking are solved, the braking effect under severe running working conditions such as rain, snow, rail pollution and the like can be ensured, and the braking performance of a train in high-speed running is improved.
(3) According to the bogie, the mounting box is additionally arranged below the pivot arm axle box of the wheel-set axle box positioning system and is used for being connected with the support arm of the eddy-current brake, is the aspect that the gap between the bottom surface of the mounting box and the lower plane of the support arm ensures the gap requirement in the braking process of the eddy-current brake, and is the aspect that when the eddy-current brake works, the vertical load generated by the eddy-current brake is borne, and the requirement on the bearing strength of the eddy-current brake is met.
(4) The bogie provided by the invention is provided with series suspension systems and two series suspension systems, acting forces in the vertical direction, the longitudinal direction and the transverse direction are transmitted to a framework through series suspension systems, the positioning requirements of the running of a vehicle on the vertical direction, the longitudinal direction and the transverse direction are met, the running requirement of the bogie at the high speed of 400km/h of a train is ensured, vibration transmitted from a track can be attenuated, the bogie is connected with a train body through the two series suspension systems, the side rolling of the train body is limited, the safety and the stability of the running of the bogie at the high speed of 400km/h of the train are met, and the running performance requirement of the vehicle is ensured.
(5) In the bogie and the basic brake device provided by the invention, the caliper brakes and the caliper brakes with parking brake are obliquely and symmetrically arranged, so that the stress of the framework is balanced.
Drawings
FIG. 1 is a schematic structural diagram of a railway vehicle bogie with an eddy current braking device according to an embodiment of the invention;
FIG. 2 is a front view of a railway vehicle truck with an eddy current braking system in accordance with an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a bogie frame of a railway vehicle with an eddy current braking device according to an embodiment of the invention;
FIG. 4 is a front view of a frame in a railway car truck with an eddy current braking system in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an eddy current braking device of a frame in a railway vehicle bogie with the eddy current braking device according to an embodiment of the invention.
In the drawing, the brake system comprises a frame 1, a frame 1-1, side beams 1-2, a main beam 1-3, longitudinal beams 1-4, an auxiliary beam 1-5, a square connecting seat 1-6, a vertical shock absorber seat , a spring box 1-7, a traction pull rod seat 1-8, a caliper brake mounting seat 1-9-1, a caliper brake mounting seat 1-9-2, a caliper brake mounting seat with parking brake 1-10, a positioning node mounting seat 1-11, a transverse stop seat 1-12, a transverse shock absorber seat 1-13, an anti-snake shock absorber seat 1-14, a mounting seat 1-15, an eddy current brake mounting seat 1-16, an air spring mounting seat 1-17, a longitudinal pull rod mounting seat 2-1, a wheel pair 2-2, a rotating arm, a vertical shock absorber mounting seat 2-2, a vertical shock absorber mounting seat -2, a suspension system , a suspension system 2-2-3, a mounting box 2-3, a brake disc 2-4, a parking brake 2-4, a suspension brake system 2-2, a transverse suspension brake system 54, a vertical brake system 365-7, a suspension brake system 3, a vertical brake device 365, a suspension brake device 3, a suspension device.
Detailed Description
The present invention is now described in detail with reference to the exemplary embodiments thereof, however, it should be understood that the elements, structures and features of the embodiments may be beneficially incorporated in other embodiments without further recitation of .
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", etc. indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Referring to fig. 1 and 3, an embodiment of the invention provides a railway vehicle bogie with an eddy current brake device, which comprises a framework 1, a wheel-axle box positioning system installed at the end of the framework 1, a basic brake device and the eddy current brake device installed below the framework 1, wherein the framework 1 comprises two side beams 1-1 and two main cross beams 1-2 connecting the middle sections of the side beams 1-1, the middle sections of the side beams 1-1 are concave, longitudinal beams 1-3 are sleeved at the two end parts of the main cross beams 1-2, the longitudinal beams 1-3 are connected with the two main cross beams 1-2, auxiliary cross beams 1-4 are connected at the two ends of the longitudinal beams 1-3, the auxiliary cross beams 1-2 are located outside the main cross beams 1-2, the wheel-axle box positioning system is installed between the two side beams 1-1, the basic brake device is installed outside the auxiliary cross beams 1-4, the eddy current brake device is installed at the end parts of the auxiliary cross beams 1-4, the eddy current brake device is combined with the basic brake device to realize effective braking of the railway vehicle when the railway vehicle is operated at high speed, the railway vehicle, the eddy current brake device is not affected by the railway vehicle, and the railway vehicle bogie, thus the railway vehicle running performance is improved in the weather, and the problem of the conventional railway vehicle is avoided, and the damage of the.
With continued reference to fig. 3, in a preferred embodiment, a square connecting seat 1-5 is provided at a concave part of the middle section of the inner side of the side beam 1-1, and the side beam 1-1 and the main beam 1-2 are connected through the square connecting seat 1-5. the square connecting seat connection is adopted, wherein plays a role in connecting the side beam and the main beam, and is adopted, so that the requirements of framework strength and fatigue are met.
In order to facilitate connection between the side beam and the main cross beam and between the longitudinal beam and the auxiliary cross beam in the framework, the main cross beam and the auxiliary cross beam are both of circular tube structures, the main cross beam and the side beam are welded to through square connecting seats, the longitudinal beam is of a U-shaped box type structure, arc-shaped grooves are formed in the bottom and the end of the longitudinal beam, the main cross beam penetrates through the arc-shaped groove in the bottom of the longitudinal beam to be connected with the square connecting seats, and the auxiliary cross beam penetrates through the arc-shaped groove in the end of the longitudinal beam.
With continuing reference to fig. 1 and with further reference to fig. 2, there are two sets of wheel-set axle box positioning systems, each set of wheel-set axle box positioning system includes a wheel set and a rotating arm axle box 2-2 mounted at an end of an axle 2-1, the axle 2-1 of the wheel set is parallel to the main beam 1-2, the rotating arm axle box 2-2 is connected to a positioning node mounting seat 1-10 disposed below the side beam 1-1, a mounting box 2-2-3 is disposed below the rotating arm axle box 2-2 and is used for being connected to the eddy current brake device, specifically, the mounting box 2-2-3 and the rotating arm axle box 2-2 are in body type structure, and the mounting box is used for bearing a vertical load generated by the eddy current brake device and meeting a requirement for bearing strength while ensuring a gap requirement during braking of the eddy current brake device.
With continued reference to fig. 1 and 3, the foundation brake device comprises a caliper brake 4-1 and a caliper brake 4-2 with parking brake, specifically, four sets of caliper brakes, two sets of caliper brakes and two sets of caliper brakes with parking brake, which can meet the braking performance requirements of various types of brakes of different trains, wherein the caliper brakes with parking brake are adopted, the aspect is to realize the braking of the trains, the aspect is to prevent the trains from rolling after the trains are parked, the auxiliary cross beams 1-4 are provided with th foundation brake mounting seats 1-9-1 and second foundation brake mounting seats 1-9-2, the caliper brake 4-1 is mounted on the foundation brake mounting seats 1-9-1 of the fourth foundation brake, the caliper brake 4-2 with parking brake is mounted on the second foundation brake mounting seats 1-9-2, the two th foundation brake mounting seats 1-9-1 arranged on the two auxiliary cross beams 1-4 are symmetrically arranged, the two second foundation brake mounting seats 1-9-1 arranged on the two auxiliary cross beams 1-4 are symmetrically, the two second foundation brake mounting seats 1-9 are arranged symmetrically, the foundation brake mounting seats 1-2 are arranged symmetrically, the caliper brakes are used for the brakes, the foundation brake mounting seats 2, the caliper brakes are designed in a manner that the caliper brakes 4-2, the foundation brake mounting seats 2, the caliper brakes are symmetrically arranged symmetrically, the caliper brakes are arranged symmetrically, the caliper brakes, and the caliper brakes are used for the caliper brakes, the caliper brakes are arranged symmetrically, the caliper brakes are used for the caliper brakes, the caliper brakes.
To achieve braking of the train, continuing with reference to FIG. 1, the axle 2-1 is provided with two brake discs located inboard of the wheels 2-4, brake disc cooperating with caliper brake 4-1 and brake disc cooperating with caliper brake 4-2 with parking brake.
With continuing reference to FIG. 3 and with further reference to FIG. 4, in order to achieve the installation of the eddy current brake device, U-shaped eddy current brake installation seats 1-15 are welded at both ends of the auxiliary cross beams 1-4, and the eddy current brake device is hung on the eddy current brake installation seats 1-15. Specifically, four corners of the eddy current brake device are respectively installed in the U-shaped eddy current brake installation seats 1-15 at two ends of the two auxiliary cross beams 1-4, so that the eddy current brake device is hung below the framework 1.
With continued reference to fig. 2 and 4 and with reference to fig. 5, the vortex brake device comprises a vortex brake 5, a support arm 5-2 having ends 5-1, connected to the vortex brake 5 at ends 5-36 and ends 2-2-3, an air gap adjusting unit 5-3 connected to the other end of the support arm 5-2, and a vortex brake lifting structure 5-4 connected to the vortex brake 5, the other end of the longitudinal rod 5-1 is connected to a longitudinal rod mounting 1-17 provided at the bottom of the side beam 1-1, the support arm is connected to a mounting box below a pivot axle box, in a non-braking mode, the support arm of the vortex brake is mounted in suspension in the mounting box, in a braking mode, the support arm of the vortex brake is in contact with a lower support plate of the mounting box, a gap between the bottom of the mounting box and a lower plane of the support arm can ensure a requirement for a gap during braking of the vortex brake, and when the vortex brake is operated, the vertical load of the vortex brake is carried by the vortex brake, the air bag brake lifting structure is designed to meet a requirement for carrying strength, when the vortex brake lifting brake is lifted by the air bag brake lifting structure, the vortex brake lifting structure is lifted by the air bag, the air brake lifting structure, the vortex brake lifting structure is lifted by the air bag lifting structure, the air brake lifting structure is lifted vortex brake lifting structure, the air bag is lifted vortex brake device, the air brake device is lifted vortex brake device, the air bag is lifted by the air bag, the air bag is lifted vortex brake device, the air gap brake device, the air bag is lifted by the air gap brake device, and the air brake device is lifted by the air bag is adjusted by the air bag, the air brake device, the air bag is adjusted by the air bag.
With continued reference to fig. 1 and 3, in the embodiment, the bogie further includes suspension systems for connecting the frame and the axle, transmitting vertical, longitudinal and lateral forces, the frame transmitting the weight of the vehicle body to the axle through the suspension systems, the suspension systems include vertical shock absorbers 2-5 and shock absorbers 2-6 and locating nodes 2-7 installed below the side beam 1-1, the vertical shock absorbers 2-5 have upper portions connected to vertical shock absorber seats 1-6 installed at the end of the side beam 1-1 and lower portions connected to vertical shock absorber mounts 2-2-1 installed at the side of the pivot arm axle box 2-2, the shock absorbers 2-6 have upper portions connected to the box 1-7 installed at the end of the side beam 1-1, lower portions connected to shock absorbers 2-2-2-2 located above the pivot arm axle box 2-2, the locating nodes 2-7 connected to the pivot arm box 2-2-2, the longitudinal shock absorbers 2-2 locating nodes connected to the frame, and longitudinal shock absorbers connected to the longitudinal shock absorbers and longitudinal locating nodes of the frame, and longitudinal locating rail, and longitudinal locating and transverse locating and longitudinal locating nodes of the bogie.
With continued reference to fig. 1 and 3, in an embodiment of another , in order to ensure safe and smooth running of the vehicle, the bogie further comprises a secondary suspension system for connecting the vehicle body and the frame, for connecting the vehicle body to the frame for force transmission, for limiting the roll of the vehicle body, for the secondary suspension system, the secondary suspension system comprises a secondary air spring 3-1 having an end connected to an air spring mount 1-16 provided in a lower recess of a middle section of the side beam 1-1, a secondary vertical shock absorber 3-2 having an end connected to an anti-snake shock absorber mount 1-13 provided outside the side beam 1-1, a secondary vertical shock absorber 3-3 having an end connected to a mount 1-14 provided outside the side beam 1-1, 633-4 for connecting the anti-snake shock absorber mount to an anti-snake shock absorber mount 1-13 provided outside the side beam 1-1, a secondary transverse stop 3-7 and a transverse shock absorber 3-6 provided on the side beam 1-3, and a transverse stop 5 for connecting the longitudinal beam 3-7 and a transverse shock absorber mount 5 provided on the main beam 1-2, a transverse strut mount 2 for connecting the frame, a transverse strut mount 2, a transverse strut connecting the longitudinal beam with a transverse strut mount 3-7 and a transverse strut mount 5 for connecting the longitudinal strut mount 2, a transverse strut mount 5, a transverse strut connecting the longitudinal strut mount 3-strut connecting the transverse strut mount 2, a transverse strut connecting the transverse strut mount strut connecting the transverse strut connecting strut mount strut connecting the transverse strut with a transverse strut mount 9-strut mount 9, a transverse strut connecting strut mount strut connecting strut mount strut connecting.
The bogie of the invention can be divided into three processes during braking:
(1) when a rail train running at high speed sends a braking instruction, the train control system controls the actuating air bag between the eddy current brake and the framework to exhaust, and meanwhile, the eddy current brake is electrified to generate an eddy current effect with the rail. The height of the eddy current brake is reduced until the supporting arm of the eddy current brake is contacted with the mounting box bottom plate below the rotating arm axle box, and the height requirement between the braking working condition and the track is met. An eddy current effect between the eddy current brake and the rail, generating a braking force opposite to the direction of travel of the train, which is transmitted to the frame by the longitudinal tie; meanwhile, a brake disc on a wheel shaft is clamped by a caliper brake, a braking torque opposite to the advancing direction of the train is generated through friction, braking force is transmitted to a framework through a wheel-pair axle box positioning system, and the two kinds of braking force are transmitted to a train body through a Z-shaped traction pull rod, so that the train can be effectively braked at a high speed.
(2) When the train is braked to a low speed, the train control system controls the eddy current brake to lose power and controls the actuating air bag to inflate at the same time, and the height of the supporting eddy current brake rises to the initial hanging position. At the same time, the caliper brake will continue to act to brake.
(3) After the train stops, the caliper brake with the parking brake continuously acts to ensure that the train is parked, and the air loss of the brake caliper of the caliper brake is relieved.
In another embodiment of the invention, railway vehicles are provided, which comprise a vehicle body and a bogie, wherein the bogie is a railway vehicle bogie with an eddy current brake device in the embodiment, the vehicle body is connected with a secondary suspension system, specifically, the end of a secondary air spring 3-1 is connected with the vehicle body, the end of a secondary is connected with an air spring mounting seat 1-16 arranged in a lower recess of the middle section of a side beam 1-1, the end of an anti-snake vibration damper 3-2 is connected with the vehicle body, the end of a secondary is connected with an anti-snake vibration damper seat 1-13 arranged on the outer side of the side beam 1-1, the end of the secondary vertical vibration damper 3-3 is connected with the vehicle body through an articulated connecting structure of the secondary vertical vibration damper, the end of the secondary vertical vibration damper is connected with a secondary vertical vibration damper seat 1-13 arranged on the outer side of the side beam 1-1, the torsion bar of the anti-side-roll torsion bar device 3-4 is connected with the vehicle body, the pull bar of the anti-side-roll torsion bar device 3-4 is connected with the vehicle body through a rubber joint and a mounting seat 1-14, the transverse stopping device 3-7 is connected with a transverse stopping seat 4835, the end of a transverse connecting rod connecting seat, the transverse connecting rod connecting seat is connected with the end of a traction vehicle body 466-6.
The railway vehicle adopts the railway vehicle bogie with the eddy current brake device, when the railway train runs at high speed and the train sends a brake command, the eddy current brake is electrified to generate an eddy current effect with the track, so as to generate a brake force opposite to the advancing direction of the train, the brake force is transmitted to the framework through the longitudinal pull rod, and the framework transmits the brake force to the train body through the Z-shaped traction pull rod, so that the effective brake of the train at high speed is realized. Because the brake is not influenced by the adhesive property between the wheel rails of the rail train, the technical problems of the traditional braking mode that the braking distance of the bogie is increased, the bogie slides seriously, the wheel sets are scratched and the like are avoided, and the braking effect in rainy and snowy weather can be ensured, thereby improving the braking property of the train operation.
The above-described embodiments are intended to illustrate rather than to limit the invention, and any modifications and variations of the present invention are possible within the spirit and scope of the claims.

Claims (10)

  1. railway vehicle bogie with eddy current brake device, comprising a frame (1), a wheel set axle box positioning system installed at the end of the frame (1), a basic brake device and the eddy current brake device installed below the frame (1), characterized in that the frame (1) comprises two side beams (1-1) and two main beams (1-2) connected with the middle sections of the two side beams (1-1), the middle sections of the side beams (1-1) are concave, longitudinal beams (1-3) are sleeved at the two end sections of the main beams (1-2), the longitudinal beams (1-3) are connected with the two main beams (1-2), the two ends of the longitudinal beams (1-3) are connected with auxiliary beams (1-4), the auxiliary beams (1-4) are located at the outer side of the main beams (1-2), the wheel set axle box positioning system is installed at the end sections of the two side beams (1-1), the basic brake device is installed at the outer side of the auxiliary beams (1-4), and the eddy current brake device is installed at the end sections of the auxiliary beams (1-4).
  2. 2. Railway vehicle bogie with eddy current brake configuration according to claim 1 characterized in that the side beam (1-1) is provided with a square attachment (1-5) recessed under the middle section of the inner side, the side beam (1-1) and the main beam (1-2) being connected by the square attachment (1-5).
  3. 3. Railway vehicle bogie with eddy current brake configuration according to claim 1 or 2, characterized in that the wheelset axle box positioning system comprises a pivoted axle box (2-2) with wheelsets mounted on the ends of the axle (2-1), the axle (2-1) of the wheelsets being parallel to the main beam (1-2), the pivoted axle box (2-2) being connected to a positioning node mounting (1-10) arranged below the side beam (1-1); and a mounting box (2-2-3) is arranged below the rotating arm axle box (2-2).
  4. 4. Railway vehicle bogie with eddy current brake device according to claim 3 characterized in that the auxiliary beams (1-4) are welded at both ends with U-shaped eddy current brake mounts (1-15) from which the eddy current brake device is suspended.
  5. 5. Railway vehicle bogie with eddy current brake configuration according to claim 4, characterized in that said eddy current brake configuration comprises an eddy current brake (5), a longitudinal tie (5-1) connected at its end to said eddy current brake (5), a support arm (5-2) connected at its end to said mounting box (2-2-3), an air gap adjusting unit (5-3) connected at the other end of said support arm (5-2) and an eddy current brake lifting structure (5-4) connected to said eddy current brake (5), the other end of said longitudinal tie (5-1) being connected to a longitudinal tie mounting (1-17) provided at the bottom of said side beam (1-1).
  6. 6. A railway vehicle bogie with eddy current brake system according to claim 3, further comprising series suspension system, wherein the series suspension system comprises 0 series vertical shock absorber (2-5), series shock absorber spring (2-6) and series positioning node (2-7) installed under the side beam (1-1), the series vertical shock absorber (2-5) is connected with series vertical shock absorber seat (1-6) installed at the end of the side beam (1-1) at the upper part and connected with series vertical shock absorber installation seat (2-2-1) installed at the side of the rocker arm axle box (2-2), the series shock absorber spring (2-6) is connected with spring box (1-7) installed at the end of the side beam (1-1) at the upper part and connected with series spring seat (2-2-2) installed at the upper part of the rocker arm axle box (2-2), and the series positioning node (2-7) connects the rocker arm axle box (1-1) with the end of the rocker arm axle box (2-2-2).
  7. 7. A railway vehicle bogie with eddy current brake system according to claim 6, further comprising a secondary suspension system comprising a secondary air spring (3-1) having its end connected to an air spring mount (1-16) provided in a recess at the lower middle portion of the side member (1-1), an anti-hunting damper (3-2) having its end connected to an anti-hunting damper seat (1-13) provided on the outer side of the side member (1-1), a secondary vertical damper (3-3) having its end connected to a mount (1-14) provided on the outer side of the side member (1-1), an anti-roll device (3-4) having its end connected to a mount (1-14) provided on the outer side of the torsion bar (1-1), a transverse damper (3-6) and a transverse stopper (3-7) mounted on the side member (1-3), and a "Z" -shaped draft link (3-5) mounted on the main member (1-2), wherein the upper portion of the base (1-3) is connected to a transverse stopper seat (7) for mounting the transverse stopper seat (3-7) and a transverse tie bar (11) provided on the upper portion of the base (1-1), and a transverse tie bar (11) provided with a transverse tie bar mount (11) for mounting (11) for the transverse tie bar (1-1, and a transverse tie bar (11).
  8. 8. Railway vehicle bogie with eddy current brake arrangement according to claim 7, characterised in that the basic brake arrangement comprises a caliper brake (4-1) and a caliper brake with parking brake (4-2), the auxiliary beam (1-4) is provided with a th basic brake mounting (1-9-1) and a second basic brake mounting (1-9-2), the caliper brake (4-1) is mounted on the th basic brake mounting (1-9-1), the caliper brake with parking brake (4-2) is mounted on the second basic brake mounting (1-9-2), the two th basic brake mounting (1-9-1) on the two auxiliary beams (1-4) are arranged in an oblique symmetry, and the two second basic brake mounting (1-9-2) on the two auxiliary beams (1-4) are arranged in an oblique symmetry.
  9. 9. Railway vehicle bogie with eddy current brake arrangement according to claim 8, characterised in that the axle (2-1) is provided with two brake discs (2-3) which are located inside the wheels (2-4), brake discs cooperating with the caliper brake (4-1) and brake discs cooperating with the caliper brake (4-2) with parking brake.
  10. A railway vehicle of comprising a body and a bogie, wherein the bogie is a railway vehicle bogie with eddy current braking system as claimed in claim 8 or 9, and the body is connected to a secondary suspension system.
CN201910146556.4A 2019-02-27 2019-02-27 Railway vehicle bogie with eddy current braking device and railway vehicle Active CN109747676B (en)

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CN111874027B (en) * 2020-08-11 2021-09-28 中车唐山机车车辆有限公司 Integrated seat, bogie framework and railway vehicle

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