EP4086136B1 - Bogie à cadre sans traverse approprié pour un wagon de fret à grande vitesse - Google Patents

Bogie à cadre sans traverse approprié pour un wagon de fret à grande vitesse

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Publication number
EP4086136B1
EP4086136B1 EP20909890.4A EP20909890A EP4086136B1 EP 4086136 B1 EP4086136 B1 EP 4086136B1 EP 20909890 A EP20909890 A EP 20909890A EP 4086136 B1 EP4086136 B1 EP 4086136B1
Authority
EP
European Patent Office
Prior art keywords
shaped
seat
box
round steel
damper
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.)
Active
Application number
EP20909890.4A
Other languages
German (de)
English (en)
Other versions
EP4086136A1 (fr
EP4086136A4 (fr
Inventor
Yong Xu
Qiaoneng LI
Fengwei LIU
Guangyi Xiao
Yong Wang
Heyan JIANG
Xi GUAN
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 Yangtze Co Ltd
Original Assignee
CRRC Yangtze Co Ltd
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Filing date
Publication date
Application filed by CRRC Yangtze Co Ltd filed Critical CRRC Yangtze Co Ltd
Publication of EP4086136A1 publication Critical patent/EP4086136A1/fr
Publication of EP4086136A4 publication Critical patent/EP4086136A4/fr
Application granted granted Critical
Publication of EP4086136B1 publication Critical patent/EP4086136B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • B61F5/04—Bolster supports or mountings
    • B61F5/08—Bolster supports or mountings incorporating rubber springs
    • 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
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
    • 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
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs
    • B61F5/302—Leaf springs
    • 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
    • B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the disclosure relates to a bogie for a freight wagon, in particular to a bolster-less framed bogie suitable for a high-speed railway freight wagon.
  • a Chinese patent application No. CN200620034959.8 discloses an express railway freight wagon bogie, which belongs to a framed bogie with a top-mounted bolster and with no swing table, wherein a primary suspension device is positioned by an axle box and a metal-liquid rubber composite spring, and a secondary suspension device between the bolster and the frame adopts a rubber pile spring, an elastic side bearing of constant contact double-acting rollers, and two sets of disc-shaped brakes.
  • a Chinese patent No. CN01275171.5 (publication No. CN2517641 Y ) discloses a high-speed freight wagon bogie, which also belongs to a framed bogie with a top-mounted bolster and with no swing table, wherein a primary suspension device thereof adopts a guide-pillar style rubber spring for positioning, and two crossbeams are used to connect two side beams to form an H-shaped frame, which also uses disc-shaped brakes.
  • the above two kinds of bogies for express both adopt a tray-style axle box positioning structure and an axle box spring is a metal-liquid rubber composite spring. Defects thereof are as follows, such as being difficult to match three-directional rigidity, and poor ability to restrain the hunting movement of the wheelset, poor stability in high-speed running, and poor reliability for long-term high-speed running and poor maintenance economy due to using wear parts, etc., and the maximum running speed thereof is 160km/h.
  • Chinese patent application No. CN201310681744.X (Publication No. CN103661463 A ) discloses "a high-speed railway freight wagon bogie", which also uses a bolster-less tumbler framed bogie and may meet the requirements of a running speed of 200km/h.
  • the bogie resembles a passenger car bogie, and the second suspension spring adopts an air spring structure, which is complicated in structure and inconvenient for installation and maintenance, resulting in increased costs in manufacturing, maintenance, and repairing of the bogie.
  • JP 2007069820 A discloses a bolsterless bogie for a railway vehicle, more particularly a bogie for a railway vehicle that is excellent in running stability and ride comfort and that can be made compact.
  • a bolsterless bogie comprises a car body placed on air springs attached to both sides in the width direction of the top surface of the bogie and is connected to the car body by connecting a towing frame, which is attached to the bottom of the car body, to the bogie frame that constitutes the bogie via a link.
  • yaw dampers are provided on both sides in the width direction of the bogie.
  • rubber bushings are provided at the attachment portions between the single link and the yaw damper and the bogie and the car body. That way, if the performance of one of the two yaw dampers deteriorates due to an oil leak or other reasons, the remaining yaw damper and the single link will suppress yawing of the bogie.
  • CN 102 923 153 A discloses a high-speed train bogie, which mainly includes a frame, on the outer side of which a basic braking device is fixedly mounted, two sets of wheelset running gear, with a pair of axle boxes carrying the frame symmetrically arranged on the sides of each set of wheels. It further discloses a linear motor, which is installed below the frame, a series of suspension devices, which are connected and positioned between the frame and the axle box, as well as a secondary suspension device that is connected and positioned between the frame and the vehicle body. Furthermore, the traction device is connected between the frame and the vehicle body to realize the transmission of traction and braking force between the two.
  • CN 201 457 403 U discloses a rocker-free air spring bogie frame, including two side beams, two cross beams and a longitudinal beam between the two cross beams, a positioning seat, an air spring seat, a vertical shock absorber seat, a lateral shock absorber seat, an anti-snake shock absorber seat, a brake hanger seat, a traction rod seat, an anti-roll torsion bar seat and an anti-overshoot seat, which is characterized in that a transverse side beam connecting seat transition is provided at the connection between the transverse and side beams, and the anti-snake shock absorber seat and the anti-overshoot seat are welded to the frame cross beam.
  • JP S58 63566 A discloses an improvement of a pillow spring device for a railway car, in particular a bolster-less truck. It is sus applied to a bolster-less truck to allow a large horizontal displacement sufficiently, has a large spring constant and effective air damping characteristics. Additionally, it is small and lightweight, easy to assemble as well as disassemble and maintain.
  • the disclosure provides a bolster-less framed bogie suitable for a high-speed railway freight wagon, which is lightweight and can meet the requirements of a running speed of 200 km/h.
  • each of the longitudinal connection beams includes an upper arc-shaped cover plate, a lower arc-shaped cover plate, and an intermediate partition connected between the upper arc-shaped cover plate and the lower arc-shaped cover plate; the second transverse damper mounting seat is provided at an outer side of a middle portion of the upper arc-shaped cover plate.
  • two ends of the longitudinal connection beam are welded to the two round steel crossbeams, and the outer side of the longitudinal connection beam is welded to the box-shaped side beam through a rib plate.
  • a transverse stopper seat is provided at a side of a middle portion, close to the guide pin assembly, of the longitudinal connection beam, and a longitudinal stopper seat is arranged at a middle portion of a side, close to the guide pin assembly, of the round steel crossbeam which is not mounted the second traction rod seat.
  • the transverse stopper seat and the longitudinal stopper seat are used to install flexible stoppers to restrict transverse and longitudinal movements of the wagon body relative to the bogie.
  • the round steel crossbeams of the frame assembly adopt an arrangement that one is longer than the other; two ends of the longer round steel crossbeam penetrate through the two box-shaped side beams and extend a certain length outwards, and an extended portion of the longer round steel crossbeam is provided with an anti-hunting damper mounting seat; an end of the anti-hunting damper is connected to the anti-hunting damper mounting seat on the round steel crossbeam through an elastic spherical hinge, and another end of the anti-hunting damper is connected to an anti-hunting damper connection seat on a chassis of the wagon body to form a diagonal bracing anti-hunting damper connection structure.
  • ends of the two round steel crossbeams are respectively fixed on two sides of the U-shaped middle sections of the pair of box-shaped side beams.
  • the traction rod assembly is composed of a traction rod body and a traction rod node, and the traction rod node is a composite member of metal and rubber to release vertical and transverse movements.
  • the disc-shaped brake device adopts a shaft disc brake, which includes a brake hanger provided on the round steel crossbeam, a brake caliper mounted on the brake hanger, and a brake disc provided on the axle of each of the wheelset assemblies.
  • the disc-shaped brake device further includes a unit brake cylinder, an electronic anti-skid device, a load-type empty-load wagon adjustment valve, etc., which adopt conventional structures in the field and do not belong to the improvement content of the disclosure, so they are omitted.
  • the rubber pile spring of secondary suspension adopts a rubber-steel plate laminated spring and is installed on the mounting platform for rubber pile spring of secondary suspension through bolts.
  • the rubber-steel plate laminated spring has a "sandwich" structure formed by alternate layers of steel plate and rubber, which provides a relatively high vertical load-bearing capacity and a relatively low transverse rigidity for the bogie.
  • the disclosure has the following beneficial effects:
  • an express freight wagon bogie with a maximum running speed of 200km/h or more which adopts a bolster-less framed structure, including one frame assembly 200, two rubber pile springs of secondary suspension 300, four tumbler axle box positioning devices 400, two wheelset assemblies 500, six disc-shaped brake devices 600, and two anti-hunting dampers 110.
  • the frame assembly adopts a traditional H-shaped structure, including two box-shaped side beams 210, two round steel crossbeams 220, a pair of longitudinal connection beams 230, and a guide pin assembly 240.
  • a rubber pile spring of secondary suspension 300 includes a base 301, a partition 302, a rubber 303, and a positioning seat boss 304 located on top.
  • the base 301 of the rubber pile spring of secondary suspension is fastened to a mounting platform for rubber pile spring of secondary suspension 214a of the box-shaped side beam 210 by means of bolts.
  • the partition 302 and the rubber 303 of the rubber pile spring of secondary suspension are arranged in a stacked manner, resembling a "sandwich" structure, which ensures that the rubber pile spring of secondary suspension 300 has a relatively large vertical rigidity and a relatively small transverse rigidity.
  • the positioning seat boss 304 cooperates with a positioning hole on the wagon body, so that a positioning effect is achieved.
  • each of the box-shaped side beams includes an outer web plate 211 and an inner web plate 211a, an upper cover plate 212 and a lower cover plate 213.
  • Arc-shaped upper and lower cover plates of the box-shaped side beam are welded to form a whole by means of butt welds and then welded with the outer web plate 211 and the inner web plate 211a to form a box-shaped structure.
  • a middle portion of the box-shaped side beam 210 is recessed into a U-shape, forming a U-shaped middle section 214.
  • a mounting platform for rubber pile spring of secondary suspension 214a is welded to a bottom face of the U-shaped middle section 214 which is welded to the upper cover plate 212 of the box-shaped side beam by means of butt welds, so as to facilitate the installation of the rubber pile spring of secondary suspension 300.
  • axle box spring installation sleeve 215 Two ends, between the arc-shaped upper and lower cover plates, of the box-shaped side beam 210 are each provided with an axle box spring installation sleeve 215; the lower cover plate 213 of the box-shaped side beam is provided with a hole with a same inner diameter as the axle box spring installation sleeve 215 at a position corresponding to a position of the axle box spring installation sleeve 215, and a first system axle box spring (elastic suspension system 450) is installed in the cylindrical cavity formed by the hole; any one of the four axle box spring installation sleeves 215 may be chosen to be provided thereon with a weighing valve mounting seat 215a to mount a weighing valve; meanwhile, a vertical damper mounting seat 216 is provided on an outer end face of each axle box spring installation sleeve 215. In the embodiment, to ensure the strength of the vertical damper mounting seat 216, an integral forging piece is adopted, and the seat is opened to be connected with the axle box spring installation s
  • the tumbler axle box positioning device 400 includes an axle box body 410, an elastic suspension system 450, and a vertical hydraulic damper 470.
  • the axle box body 410 is formed after a positioning tumbler 420 and a clamping hoop 460 are enclosed and fastened by means of bolts.
  • a wheelset bearing is disposed in a cavity of the axle box body 410, and an axle box end cover 411 is installed at an outer end of the cavity of the axle box body 410, and an anti-skid device adapter 480 for installing an anti-skid device is provided on a side of the axle box body 410.
  • a top face of a pivoting end of the positioning tumbler 420 is provided with an axle box spring bearing platform 421.
  • the elastic suspension system 450 is installed between the axle box spring bearing platform 421 and the axle box spring installation sleeve 215 at an end of the box-shaped side beam 210.
  • the vertical hydraulic damper 470 is installed between the vertical damper support 490 provided at a rear end of the axle box body 410 and the vertical damper mounting seat 216 at an end of the box-shaped side beam 210; a fixed end of the positioning tumbler 420 is connected to a tumbler seat 217 beneath the U-shaped middle section 214 of the box-shaped side beam 210 through an elastic positioning node assembly 430.
  • the elastic suspension system 450 includes an annular rubber cushion, an inner steel spring 452, and an outer steel spring 453 which abut against the annular rubber cushion in parallel, and a first system rubber spring 454 lining in the inner steel spring 452.
  • a top of the first system rubber spring 454 is located on upper end surfaces of the inner steel spring 452 and the outer steel spring 453.
  • a bottom of the first system rubber spring 454 passes through the inner steel spring 452 and is located between a circular hole in a center of the annular rubber cushion and the bottom surface of the axle box spring bearing platform, and a cross-section is in a T-shape.
  • the positioning tumbler 420 and the tumbler seat 217 of the box-shaped side beam 210 are connected by a snap-in structure. Two ends of the elastic positioning node of the positioning tumbler 420 are respectively snapped into the grooves on two sides of the tumbler seat 217 and are closed by a positioning baffle 218. The positioning baffle 218 is fastened to the tumbler seat 217 by means of two bolts.
  • the elastic rubber node and the tumbler seat 217 of the box-shaped side beam 210 adopt a snap-in structure, which is simple and reliable in structure and greatly improves the requirements of the assembly process.
  • An end face of the positioning tumbler 420 is provided with a lifting shoulder, and the vertical damper mounting seat 216 of the box-shaped side beam 210 is provided with a wheelset lifter that matches with the lifting shoulder.
  • a center part of the clamping hoop 460 is hollowed out into an infrared axle temperature detection hole, which is convenient for ground equipment, such as 5T to perform axle temperature detection, thus solving the problem that an infrared temperature detection technology cannot be adopted during an online running of the first system axle box of the framed bogie of the existing freight wagon.
  • a rubber dust cover is lined between an infrared axle temperature detection hole and a wheelset bearing, thereby effectively preventing dust and dirt from permeating the center part of the clamping hoop 460; the positioning tumbler 420 and the clamping hoop 460 are respectively sealed with a bearing rear baffle with a labyrinth seal structure, which effectively improves the dust-proof and oil-proof ability of the axle box body 410.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Vibration Dampers (AREA)

Claims (9)

  1. Un bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse, comprenant un ensemble de châssis (200), quatre dispositifs de positionnement de boîte d'essieu à culbuteur (400), et deux ensembles d'essieux montés (500); dans lequel
    l'ensemble de châssis (200) inclut une paire de longerons en caisson (210), deux traverses rondes en acier (220), deux poutres de liaison longitudinales (230), et un ensemble de cheville ouvrière (240); deux extrémités de chacune des traverses rondes en acier (220) sont respectivement fixées sur l'un des longerons en caisson (210) pour former une structure en forme de H; les poutres de liaison longitudinales (230) et l'ensemble de cheville ouvrière (240) sont disposés à l'intérieur d'un espace délimité par la paire de longerons en caisson (210) et les deux traverses rondes en acier (220);
    une partie médiane de chacun des longerons en caisson (210) est en forme de U pour former une section médiane en U (214), une plateforme de montage pour ressort à empilement de caoutchouc de suspension secondaire (214a) est prévue au niveau d'une partie concave de la section médiane en U (214), et un ressort à empilement de caoutchouc de suspension secondaire (300) est disposé sur la plateforme de montage pour ressort à empilement de caoutchouc de suspension secondaire (214a); un sommet du ressort à empilement de caoutchouc de suspension secondaire (300) est pourvu d'un bossage de siège de positionnement (304) assorti à un trou de positionnement sur une caisse de wagon;
    l'ensemble de cheville ouvrière (240) est situé entre la paire de longerons en caisson (210), et deux côtés de l'ensemble de cheville ouvrière (240) sont respectivement pourvus de premiers sièges de montage d'amortisseur transversal (241); les deux poutres de liaison longitudinales (230) sont respectivement situées sur un côté de l'ensemble de cheville ouvrière (240) et sont respectivement pourvues d'un second siège de montage d'amortisseur transversal (234); les premiers sièges de montage d'amortisseur transversal (241) sont respectivement reliés à un second siège de montage d'amortisseur transversal (234) au moyen d'un amortisseur hydraulique transversal (130);
    un premier siège de barre de traction (242) est prévu au niveau d'une partie inférieure de l'ensemble de cheville ouvrière (240), et un second siège de barre de traction (223) est prévu au niveau d'une partie inférieure de l'une des traverses rondes en acier (220), et un ensemble de barre de traction (120) est prévu entre le premier siège de barre de traction (242) et le second siège de barre de traction (223);
    un amortisseur anti-lacet (110) est prévu sur un côté extérieur de l'ensemble de châssis (200);
    des parties d'extrémité de la paire de longerons en caisson (210) sont reliées aux deux ensembles d'essieux montés (500) au moyen des quatre dispositifs de positionnement de boîte d'essieu à culbuteur (400);
    une pluralité de dispositifs de frein à disque (600) est prévue entre chacune des traverses rondes en acier (220) et un essieu (501) de chacun des ensembles d'essieux montés (500), dans lequel
    chacune des poutres de liaison longitudinales (230) inclut une plaque de couverture supérieure en forme d'arc (231), une plaque de couverture inférieure en forme d'arc (232), et une cloison intermédiaire (233) reliée entre la plaque de couverture supérieure en forme d'arc (231) et la plaque de couverture inférieure en forme d'arc (232); le second siège de montage d'amortisseur transversal (234) est prévu sur un côté extérieur d'une partie médiane de la plaque de couverture supérieure en forme d'arc (231).
  2. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon la revendication 1, dans lequel deux extrémités de la poutre de liaison longitudinale (230) sont soudées aux deux traverses rondes en acier (220), et le côté extérieur de la poutre de liaison longitudinale (230) est soudé au longeron en caisson (210) par l'intermédiaire d'une plaque nervurée.
  3. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon la revendication 1, dans lequel un siège de butée transversale (235) est prévu sur un côté d'une partie médiane, à proximité de l'ensemble de cheville ouvrière (240), de la poutre de liaison longitudinale (230), et un siège de butée longitudinale (225) est agencé au niveau d'une partie médiane d'un côté, à proximité de l'ensemble de cheville ouvrière (240), de la traverse ronde en acier (220) sur laquelle n'est pas monté le second siège de barre de traction (223).
  4. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel les traverses rondes en acier (220) de l'ensemble de châssis (200) adoptent un agencement tel que l'une est plus longue que l'autre; deux extrémités de la traverse ronde en acier plus longue (220) pénètrent à travers les deux longerons en caisson (210) et s'étendent d'une certaine longueur vers l'extérieur, et une partie étendue de la traverse ronde en acier plus longue est pourvue d'un siège de montage d'amortisseur anti-lacet (224); une extrémité de l'amortisseur anti-lacet (110) est reliée au siège de montage d'amortisseur anti-lacet (224) sur la traverse ronde en acier (220) par l'intermédiaire d'une articulation sphérique élastique, et une autre extrémité de l'amortisseur anti-lacet (110) est reliée à un siège de liaison d'amortisseur anti-lacet sur un châssis de la caisse du wagon pour former une structure de liaison d'amortisseur anti-lacet en triangulation.
  5. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel deux extrémités du longeron en caisson (210) sont chacune pourvues d'un manchon d'installation de ressort de boîte d'essieu (215), d'un siège de montage d'amortisseur vertical (216) et d'un siège de culbuteur (217); chacun des dispositifs de positionnement de boîte d'essieu à culbuteur (400) inclut un corps de boîte d'essieu (410), un système de suspension élastique (450) et un amortisseur hydraulique vertical (470); le corps de boîte d'essieu (410) inclut un culbuteur de positionnement (420), un arceau de serrage (460), un couvercle d'extrémité de boîte d'essieu (411), une plateforme d'appui de ressort de boîte d'essieu (421), un support d'amortisseur vertical (490) et un adaptateur de dispositif antidérapant (480); le système de suspension élastique (450) est installé entre le manchon d'installation de ressort de boîte d'essieu (215) et la plateforme d'appui de ressort de boîte d'essieu (421), et le culbuteur de positionnement (420) est installé sur le siège de culbuteur (217) par l'intermédiaire d'un ensemble de nœud de positionnement élastique (430), et l'amortisseur hydraulique vertical (470) est installé entre le siège de montage d'amortisseur vertical (216) et le support d'amortisseur vertical (490).
  6. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel les extrémités des deux traverses rondes en acier (220) sont respectivement fixées sur deux côtés des sections médianes en U (214) de la paire de longerons en caisson (210).
  7. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel l'ensemble de barre de traction (120) est composé d'un corps de barre de traction et d'un nœud de barre de traction, et le nœud de barre de traction est un élément composite de métal et de caoutchouc.
  8. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel le dispositif de frein à disque (600) adopte un frein à disque d'arbre, qui inclut un support de frein (221) prévu sur la traverse ronde en acier (220), un étrier de frein monté sur le support de frein (221), et un disque de frein (503) prévu sur l'essieu (501) de chacun des ensembles d'essieux montés (500).
  9. Le bogie à cadre sans traverse approprié pour un wagon de fret ferroviaire à grande vitesse selon l'une quelconque des revendications 1 à 3, dans lequel le ressort à empilement de caoutchouc de suspension secondaire (300) adopte un ressort laminé à plaques de caoutchoucacier et est installé sur la plateforme de montage pour ressort à empilement de caoutchouc de suspension secondaire (214a) au moyen de boulons.
EP20909890.4A 2019-12-31 2020-07-28 Bogie à cadre sans traverse approprié pour un wagon de fret à grande vitesse Active EP4086136B1 (fr)

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CN201911415719.0A CN111016950B (zh) 2019-12-31 2019-12-31 适用于高速铁路货车的无摇枕构架式转向架
PCT/CN2020/105308 WO2021135198A1 (fr) 2019-12-31 2020-07-28 Bogie à cadre sans traverse approprié pour un wagon de fret à grande vitesse

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CN111016950B (zh) * 2019-12-31 2024-12-03 中车长江车辆有限公司 适用于高速铁路货车的无摇枕构架式转向架
CN114044016A (zh) * 2021-12-09 2022-02-15 中车山东机车车辆有限公司 一种轨道工程车用焊接转向架
CN114771226A (zh) * 2022-03-24 2022-07-22 马鞍山市一川金属科技有限公司 转向轮双摆臂电机动力悬架装置
CN115817556A (zh) * 2022-12-15 2023-03-21 中车长江运输设备集团有限公司 一种内置式轮对轴箱装置

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US3570408A (en) * 1968-10-30 1971-03-16 Gen Steel Ind Inc Bolsterless truck having pivotally connected side frame
JPS5863566A (ja) * 1981-10-12 1983-04-15 株式会社ブリヂストン 鉄道車両用枕ばね装置
DE4037672A1 (de) * 1990-11-27 1992-06-04 Man Ghh Schienenverkehr Schienenfahrzeug
JP2001260874A (ja) * 2000-03-17 2001-09-26 Hitachi Ltd モノレールカー
CN2517641Y (zh) * 2001-12-17 2002-10-23 齐齐哈尔铁路车辆(集团)有限责任公司 高速货车转向架
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CN111016950A (zh) 2020-04-17
CN111016950B (zh) 2024-12-03

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