CN112356868A - Articulated frame for a railway vehicle bogie - Google Patents
Articulated frame for a railway vehicle bogie Download PDFInfo
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- CN112356868A CN112356868A CN202011427379.6A CN202011427379A CN112356868A CN 112356868 A CN112356868 A CN 112356868A CN 202011427379 A CN202011427379 A CN 202011427379A CN 112356868 A CN112356868 A CN 112356868A
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- 230000007704 transition Effects 0.000 claims description 30
- 239000000725 suspension Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 description 9
- 230000035939 shock Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- 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
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- 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
- B61F5/308—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating damping devices
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an articulated framework for a railway vehicle bogie, which is an H-shaped integral framework and comprises two groups of longitudinally arranged side beams and a group of transversely arranged articulated cross beam devices, wherein concave sections are arranged in the middle parts of the two groups of side beams, and a group of articulated cross beam devices is connected between the concave sections; an inner sleeve of the hinged beam device extends into an outer sleeve, the outer sleeve is connected with the inner sleeve through two bearings with a certain span at the left and the right, the inner sleeve and the outer sleeve can realize free rotation through the two bearings, namely, beams at two sides can freely do mutual nod torsion; the hinged framework releases the degree of freedom of rotation of the beams on the two sides around the transverse shaft, the torsional rigidity is zero, the load balancing capacity, the line adaptability, the curve trafficability characteristic and the operation stability of the bogie can be improved, and the contradiction between the operation stability and the curve trafficability characteristic of the traditional bogie is fundamentally solved.
Description
Technical Field
The invention relates to the technical field of bogies, in particular to an articulated framework for a bogie of a railway vehicle.
Background
The existing railway bogie mainly comprises three large-piece type and integral framework type bogies, the three large-piece type bogie has strong capability of adapting to line distortion, but has loose structure, small diamond-resistant rigidity and lower running speed, while the integral framework type bogie can eliminate diamond deformation, but has poor capability of adapting to line distortion, needs to adapt to line distortion by soft one-line vertical deformation, and has higher requirements on one-line suspension and tracks.
The existing partially flexible monolithic frame reduces the torsional stiffness between the two side beams, which is mainly achieved by rubber joints or sheet steel cross beams. For a flexible framework adopting a rubber joint, the rubber joint has large bearing torque, and two side beams of the flexible framework adopting the rubber joint can only rotate for a certain angle and can not realize free torsion between the two side beams; the cross beam adopts a thin steel plate to realize a flexible framework, the rotation angle between two side beams is limited, and free torsion cannot be realized. For bogies where the two side beams cannot be freely twisted, the line adaptability and curve passing ability are limited.
Disclosure of Invention
The invention mainly solves the technical problem of providing an integral framework which has no rhombus deformation, zero torsional rigidity, good curve trafficability and strong ability of adapting to line distortion aiming at the defects of the prior art, wherein the technology is mainly realized by a hinged beam device.
In order to solve the technical problems, the invention adopts the technical scheme that: an H-shaped unitary frame comprising two sets of longitudinally disposed side beams and a set of transversely disposed articulated cross-beam arrangements, wherein: the end parts of the two side beams are connected with the wheel pair through a series of suspension devices, the middle parts of the two side beams are in a concave bearing shape, the concave sections of the middle parts of the two side beams are connected with a transversely arranged hinged cross beam device, the two side beams can freely do point-head torsion around a transverse shaft or a Y shaft in a vehicle dynamics generalized coordinate through the hinged cross beam device, and the rigidity in other directions is kept to be large.
Preferably, a transition piece is arranged between the hinged cross beam device and the two side beams respectively, one end of the transition piece is connected with the side beams through welding, the other end of the transition piece is connected with the hinged cross beam device through welding, and the hinged cross beam device is composed of an outer sleeve, an inner sleeve, a left bearing, a right bearing, a middle positioning piece, two end covers at the ends and a bearing positioning sleeve.
Preferably, the outer sleeve of the hinged cross beam device is designed to have a variable cross section, the outer sleeve has at least two different diameters, and cylindrical surfaces with different diameters are in smooth transition; the left bearing and the right bearing in the hinged beam device adopt the same outer diameter, so that the long straight section of the outer sleeve is lengthened, the number of the cross sections of the outer sleeve is reduced, a traction pull rod seat and a transverse stop seat are conveniently arranged on the surface of the long straight section cylinder of the outer sleeve, and the end surface of the short section cylinder is connected with the transition piece; the inner sleeve is also designed to have a variable cross section, the inner sleeve also has at least two different diameters, the middle part of the inner sleeve is provided with a positioning shaft shoulder for positioning a bearing, the cylindrical surfaces of the inner sleeve with different diameters are in smooth transition, and the cylindrical end surface of the large end of the inner sleeve is connected with a transition piece; because the inner sleeve and the outer sleeve are connected with the side beams by the same transition piece, the diameters of the cylinders at the ends of the inner sleeve and the outer sleeve connected with the transition piece are equal, so that the left side beam and the right side beam of the hinged frame have interchangeability, and the research and development and production cost of the bogie are reduced.
Preferably, a round hole is formed in the center of the transition piece, a round hole is also formed in the center of the positioning end cover of the inner sleeve, and when the anti-rolling torsion bar needs to be installed on the bogie, the anti-rolling torsion bar can penetrate through the round hole.
Preferably, the hinged cross beam device is connected with the two side beams through a flange structure, and the hinged cross beam device consists of an outer sleeve, an inner sleeve, a left bearing, a right bearing, a middle positioning piece, two end covers at the end part and a bearing positioning sleeve.
Further preferably, the two bearings are bearings with the same inner diameter and outer diameter, so that the outer sleeve and the inner sleeve are simple in structure, the variable cross-section design is not needed, and the traction pull rod and the transverse stop are conveniently arranged on the outer sleeve.
The inner sleeve stretches into in the outer sleeve, has left bearing and right bearing of certain span to link to each other between the two through controlling, makes articulated framework forms whole framework, does not have the rhombus and warp, and the torsional rigidity is zero between the roof beam of both sides, can do free some head torsional motion.
The outer sleeve positioning end cover comprises an upper end cover and a lower end cover, namely, a split structure is adopted, and the hinged beam device and the hinged framework are convenient to disassemble and assemble.
The two sides of the hinged framework are welded with overhanging beams, and secondary vertical shock absorber seats and anti-snaking shock absorber seats are arranged on the overhanging beams; the extending beam is longitudinally offset, so that an anti-rolling torsion bar mounting sleeve is conveniently mounted in the middle of the hinged frame, and the center of the anti-snaking shock absorber is ensured to be in the center of the bogie.
And the left side beam and the right side beam are respectively provided with a secondary spring mounting seat, a braking device mounting seat, a secondary transverse shock absorber seat and a primary vertical shock absorber seat.
Compared with the prior art, the invention has the advantages that:
1. the invention relates to a hinged framework, belonging to an H-shaped integral framework, which is an integral stable structure, and can lead the hinged framework to bear forces in three directions and torques in two directions by virtue of a hinged beam device, namely, the balance of the forces in the three directions and the torques in the two directions can be carried out, only the freedom degree of transverse rotation is released, so that the bogie has good load balancing performance, high stability, high safety of passing through a curve and strong capability of adapting to line distortion, and the bogie can improve the running speed on various lines.
2. The bogie using the hinged framework has no rhomboid deformation and zero torsional rigidity, and can simultaneously have excellent running stability and curve trafficability characteristic, thereby fundamentally solving the contradiction between the running stability and the curve trafficability characteristic of the traditional bogie.
3. By using the hinged framework, the two side beams of the hinged framework can easily generate relative torsional motion around the transverse shaft, so that the capability of the corresponding bogie for adapting to the unsmooth line is greatly enhanced, the bogie can be suspended by a non-axle box or an axle box with a simple structure, the production and maintenance cost of the bogie is reduced, and if the bogie is suspended by an axle box with better performance, the running speed of the bogie is higher, and the running stability is better.
4. The articulated framework is easy to match with bogies of different projects, so that the research and development cost of the bogies is reduced.
Drawings
FIG. 1 is a schematic structural view of an articulated frame for a railway vehicle bogie in embodiment 1;
FIG. 2 is a sectional view of an articulated frame for a railway vehicle bogie in embodiment 1;
fig. 3 is a sectional view of the articulated beam device in embodiment 1;
fig. 4 is an exploded view of the articulated beam device in embodiment 1;
FIG. 5 is a schematic structural view of a transition piece in embodiment 1;
FIG. 6 is a schematic structural view of an articulated frame for a railway vehicle bogie in embodiment 2;
FIG. 7 is a sectional view of an articulated frame for a railway vehicle bogie in embodiment 2;
fig. 8 is a sectional view of the articulated beam device in embodiment 2;
fig. 9 is a schematic structural view of an articulated beam device according to embodiment 2;
FIG. 10 is a schematic structural view of a left side member in embodiment 2;
FIG. 11 is a first schematic view of the positioning end cap of the outer sleeve;
FIG. 12 is a second schematic view of the positioning of the end cap with the outer sleeve.
The labels in the figure are: 1-left side beam, 2-right side beam, 3-primary positioning device, 4-extension beam, 5-snake-proof damper seat, 6-secondary vertical damper seat, 7-anti-rolling torsion bar mounting sleeve, 8-secondary spring mounting seat, 9-hinged beam device, 10-brake device mounting seat, 11-secondary transverse damper seat, 12-transition piece, 13-primary vertical damper seat, 14-traction pull bar seat, 15-transverse stop seat, 91-outer sleeve, 911-outer sleeve flange, 92-inner sleeve, 921-outer sleeve positioning end cover, 93-outer sleeve positioning end cover, 931-upper end cover, 932-lower end cover, 94-left bearing, 95-left positioning sleeve, 96-middle positioning sleeve, 97-right positioning sleeve, 98-right bearing, 99-bearing positioning sleeve, 910-inner sleeve positioning end cap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but it should not be understood that the scope of the above-described subject matter of the present invention is limited to the following embodiments, and any technique realized based on the present invention falls within the scope of the present invention.
Example 1
Referring to fig. 1 and 2, the articulated frame for a railway vehicle bogie of the present invention is an H-shaped integral frame including two longitudinally arranged left and right side beams 1 and 2 and a set of transversely arranged articulated cross beam devices 9, wherein: the two ends of the left side beam 1 and the right side beam 2 are connected with a wheel pair through a series of suspension devices, the middle parts of the left side beam 1 and the right side beam 2 are in a concave bearing shape, and a transversely arranged hinged cross beam device 9 is connected between the concave sections of the middle parts of the left side beam 1 and the right side beam 2.
The outer sleeve 91 of the hinged beam device 9 adopts a variable cross section design, the outer sleeve 91 has at least two cylindrical surfaces with different diameters, and the cylindrical surfaces with different diameters are in smooth transition. The left bearing 94 and the right bearing 98 in the hinged beam device 9 adopt the same outer diameter, so that the long straight section of the outer sleeve 91 can be lengthened, the number of the cross sections can be reduced, the outer sleeve 91 can be conveniently provided with the traction pull rod seat 14 and the transverse stopping seat 15 on the cylindrical surface of the long straight section, the cylindrical end surface of the long straight section of the outer sleeve 91 is connected with an outer sleeve positioning end cover 93, and the cylindrical end surface of the short section is connected with the transition piece 12; the inner sleeve 92 is designed to have a variable cross section, the inner sleeve 92 also has at least two cylindrical surfaces with different diameters, the middle of the inner sleeve 92 is provided with a positioning shaft shoulder for positioning a bearing, the cylindrical surfaces with different diameters of the inner sleeve 92 are also in smooth transition, the large-end cylindrical end surface of the inner sleeve 92 is connected with the transition piece 12, the small-end cylindrical surface is connected with the inner sleeve positioning end cover 910, and the cylindrical surfaces of the ends, connected with the transition piece 12, of the inner sleeve 92 and the outer sleeve 91 are equal in diameter because the inner sleeve 92 and the outer sleeve 91 both adopt the same transition piece 12, so that the left side beam 1 and the right side beam 2 of the hinged frame have interchangeability, and the research and development and production cost of the.
The center of the transition piece 12 is provided with a round hole, the center of the inner sleeve positioning end cover 910 is also provided with a round hole, and when the anti-side-rolling torsion bar needs to be installed on the bogie, the anti-side-rolling torsion bar can penetrate through the round hole.
The inner sleeve 92 extends into the outer sleeve 91, the inner sleeve 92 is connected with the left bearing 94 and the right bearing 98 with a certain span at the left and right, during assembly, the left bearing 94 is sleeved on the inner sleeve 92, then the left positioning sleeve 95, the middle positioning sleeve 96, the right positioning sleeve 97 and the right bearing 98 are sleeved on the inner sleeve 92, then an inner sleeve positioning end cover 910 is installed at the end part of the inner sleeve 92, then the inner sleeve 92 extends into the outer sleeve 91, and after the split outer sleeve positioning end cover 93 is installed at the end part of the outer sleeve 92, the hinged framework is installed to form an integral framework. The integral framework has no rhombus deformation, and the torsional rigidity of the left side beam 1 and the right side beam 2 is zero, so that free point-head torsional movement can be performed.
The outer sleeve positioning end cover 93 comprises an upper end cover 931 and a lower end cover 932, and the outer sleeve positioning end cover 93 adopts a split structure, so that the hinge beam device 9 and the hinge frame can be conveniently disassembled and assembled.
A group of longitudinally offset extension beams 4 are further welded on two sides of the hinged framework, a secondary vertical shock absorber seat 6 and an anti-snaking shock absorber seat 5 are arranged on the extension beams 4, the extension beams 4 are longitudinally offset, so that a side-rolling resistant torsion bar mounting sleeve 7 is conveniently mounted in the middle of the hinged framework, and meanwhile, the center of the anti-snaking shock absorber is ensured to be in the center of the bogie.
And a secondary spring mounting seat 8, a braking device mounting seat 10 and a secondary transverse shock absorber seat 11 are mounted on the left side beam 1 and the right side beam 2.
When the hinged framework is used, the hinged framework can be subjected to transverse force from a primary suspension or a vehicle body, when the outer sleeve 91 is subjected to the transverse force from the right side beam 2 to the left, the transverse force is transmitted to the outer ring of the right bearing 98 through the bearing positioning sleeve 99, the right bearing 98 transmits the force to the inner ring through the structure of the right bearing 98, the inner ring transmits the force to the right positioning sleeve 97, the right positioning sleeve 97 transmits the force to the middle positioning sleeve 96, the middle positioning sleeve 96 transmits the force to the inner sleeve 92 through the shaft shoulder on the inner side of the middle positioning sleeve 96, the inner sleeve 92 transmits the force to the left side beam 1, the force of the left side beam 1 is transmitted to a wheel pair through the primary suspension, and finally the transverse force can act. When the left side beam 1 is subjected to a lateral force to the right, the transmission path of the lateral force balance is opposite to the above path.
When the right side beam 2 is subjected to rightward transverse force in use, the right side beam 2 has rightward pulling force on the outer sleeve 91, the force is transmitted to the outer ring of the left bearing 94 through the outer sleeve positioning end cover 93, the left bearing 94 transmits force to the inner ring through the structure of the left bearing 94, the force is transmitted to the left positioning sleeve 95 through the inner ring, the force is transmitted to the inner ring of the right bearing 98 through the middle positioning sleeve 96 and the right positioning sleeve 97, the transverse force is transmitted to the inner sleeve positioning end cover 910 through the inner ring of the right bearing 98, the inner sleeve positioning end cover 910 is in threaded fastening connection with the inner sleeve 92, the force is finally transmitted to the inner sleeve 91 and the left side beam 1, and the force of the left side beam 1 is transmitted to a wheel pair through a series of suspension, and finally acts with a rail to balance the force. When the left side beam 1 is subjected to a lateral force to the left, the transmission path of the lateral force balance is opposite to the above path.
When the articulated cross beam device 9 is used, when the left side beam 1 and the right side beam 2 are subjected to vertical force of a vehicle body, the two forces can generate bending moment on the articulated cross beam device 9, and because the articulated cross beam device 9 is provided with the left bearing 94 and the right bearing 98 which have a certain transverse distance in the transverse direction, corresponding force and bending moment can be generated by the left bearing 94 and the right bearing 98 to be balanced with the force and the bending moment. When the left and right side members 1, 2 are subjected to longitudinal forces, they are also balanced by means of the articulated cross member arrangement 9.
Therefore, the articulated framework can bear forces in three directions and torques in two directions, and only the freedom degree of the articulated framework rotating around the left transverse shaft and the right transverse shaft is released, so that the articulated framework belongs to an integral framework and has no rhomboid deformation, and the torsional rigidity between the left side beam 1 and the right side beam 2 is zero, namely the left side beam 1 and the right side beam 2 can freely perform point-head torsional motion mutually, so that a bogie adopting the articulated framework has excellent load-sharing performance, line adaptability, curve trafficability and operation stability at the same time, and the contradiction between the operation stability and the curve trafficability can be fundamentally solved.
Example 2
The structure of the articulated frame for a railway vehicle bogie according to the present embodiment is substantially the same as that of embodiment 1, and the differences are mainly as follows:
the hinged cross beam device 9 is connected with the side beam 1 and the side beam 2 through flanges, and an outer sleeve flange 911 and an inner sleeve flange 921 of the hinged cross beam device 9 are respectively connected with the flanges of the side beam 2 and the side beam 1 through threads, so that the hinged cross beam device 9 can be independently disassembled and assembled, and the maintenance of a bearing is facilitated. The inner diameter and the outer diameter of the left bearing 94 are the same as those of the right bearing 98, so that only one middle positioning sleeve 96 is needed between the two bearings, and meanwhile, the outer sleeve and the inner sleeve are simple in structure, and the long straight section cylindrical surface of the outer sleeve is longer, so that the traction pull rod seat 14 and the transverse stopping seat 15 are more convenient to mount.
When the hinged framework is used, the hinged framework can be subjected to transverse force from a series of suspensions or a vehicle body, when the outer sleeve 91 is subjected to the transverse force from the right side beam 2 to the left, the transverse force is transmitted to the outer ring of the right bearing 98 through the bearing positioning sleeve 99, the right bearing 98 transmits the force to the inner ring through the structure of the right bearing 98, the inner ring transmits the force to the middle positioning sleeve 96, then the middle positioning sleeve 96 directly transmits the force to the inner ring of the left bearing 94 and the bearing positioning sleeve 99, then the bearing positioning sleeve 99 transmits the force to the inner sleeve 92 through the shaft shoulder, the inner sleeve 92 transmits the force to the left side beam 1, the force of the left side beam 1 is transmitted to a wheel pair through the series of suspensions, and finally the transverse force acts on a rail to. When the left side beam 1 is subjected to a lateral force to the right, the transmission path of the lateral force balance is opposite to the above path.
When the right side beam 2 is subjected to rightward transverse force in use, the right side beam 2 has rightward pulling force on the outer sleeve 91, the force is transmitted to the outer ring of the left bearing 94 through the outer sleeve positioning end cover 93, the left bearing 94 transmits the force to the inner ring through the structure of the left bearing 94, the force is transmitted to the middle positioning sleeve 96 through the inner ring, the force is transmitted to the inner ring of the right bearing 98, the transverse force is transmitted to the inner sleeve positioning end cover 910 through the inner ring of the right bearing 98, the inner sleeve positioning end cover 910 is fixedly connected with the inner sleeve 92 through threads, the force is finally transmitted to the inner sleeve 91 and the left side beam 1, the force of the left side beam 1 is transmitted to a wheel pair through a series of suspension, and finally the force is balanced with the rail action. When the left side beam 1 is subjected to a lateral force to the left, the transmission path of the lateral force balance is opposite to the above path.
When the articulated cross beam device is used, when the left side beam 1 and the right side beam 2 are subjected to vertical force and longitudinal force of a vehicle body, the stress condition is the same as that of the embodiment 1, and the articulated cross beam device 9 can be used for balancing.
The frame of this embodiment can also fix five degrees of freedom, and only release the degree of freedom of the side members in rotation about the lateral axis, and the same advantageous effects as those of embodiment 1 can be achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An articulated framework for a railway vehicle bogie, characterized in that the articulated framework is an H-shaped one-piece framework comprising a longitudinally arranged left side beam (1), a right side beam (2) and a set of transversely arranged articulated cross beam arrangements (9), wherein: the two ends of the left side beam (1) and the right side beam (2) are connected with the wheel pair through a series of suspension devices, the middle parts of the left side beam (1) and the right side beam (2) are concave, and a transversely arranged hinged cross beam device (9) is connected between the concave sections of the middle parts of the left side beam (1) and the right side beam; the articulated cross beam device (9) comprises an outer sleeve (91) and an inner sleeve (92); the inner sleeve (92) extends into the outer sleeve (91), the outer sleeve (91) and the inner sleeve (92) are connected through a left bearing (94) and a right bearing (98) which have a certain span at the left and right, and the outer sleeve (91) and the inner sleeve (92) can realize free torsion through the left bearing (94) and the right bearing (98).
2. An articulated framework according to claim 1, characterized in that the articulated cross beam device (9) is connected to the left (1) and right (2) side beams by welding; a transition piece (12) is respectively arranged between the hinged cross beam device (9) and the left side beam (1) and between the hinged cross beam device and the right side beam (2), one end of the transition piece (12) is connected with the side beam (1) or the side beam (2) through welding, and the other end of the transition piece is also connected with the hinged cross beam device (9) through welding; the hinged cross beam device (9) is composed of an outer sleeve (91), an inner sleeve (92), a left bearing (94), a right bearing (98) and three positioning pieces in the middle: left side location sleeve (95), well location sleeve (96), right side location sleeve (97) and two location end covers: an outer sleeve positioning end cover (93), an inner sleeve positioning end cover (910) and a bearing positioning sleeve (99).
3. An articulated frame according to claim 2, characterized in that the outer sleeves (91) of the articulated cross-member arrangement (9) are of variable cross-section design, the outer sleeves (91) presenting at least two cylindrical surfaces of different diameter, with a smooth transition between the cylindrical surfaces of different diameter; the left bearing (94) and the right bearing (98) in the hinged beam device (9) adopt the same outer diameter, so that the long straight section of the outer sleeve (91) can be lengthened, the number of section changes is reduced, and a traction pull rod seat (14) and a transverse stopping seat (15) are conveniently arranged on the cylindrical surface of the long straight section of the outer sleeve (91); the long straight section cylindrical end surface of the outer sleeve (91) is connected with an outer sleeve positioning end cover (93), and the short section cylindrical end surface is connected with the transition piece (12); the inner sleeve (92) is also designed to be variable in cross section, the inner sleeve (92) is also provided with at least two cylindrical surfaces with different diameters, and the middle part of the inner sleeve (92) is provided with a positioning shaft shoulder for positioning a bearing; the cylindrical surfaces of the inner sleeve (92) with different diameters are in smooth transition, the cylindrical end surface of the large end of the inner sleeve (92) is connected with the transition piece (12), and the cylindrical surface of the small end is connected with the inner sleeve positioning end cover (910); the inner sleeve (92) and the outer sleeve (91) both adopt the same transition piece (12), so that the diameters of cylindrical surfaces of the ends, connected with the transition piece (12), of the inner sleeve (92) and the outer sleeve (91) are equal, and the left side beam (1) and the right side beam (2) of the hinged frame have interchangeability.
4. An articulated framework according to claim 1, characterized in that the articulated cross beam means 9 are connected to the left (1) and right (2) side beams by means of flange structures; the hinged cross beam (9) is composed of an outer sleeve (91), an inner sleeve (92), a left bearing (94), a right bearing (98), a middle positioning sleeve (96) and end covers at two ends: the bearing positioning device comprises an outer sleeve positioning end cover (93), an inner sleeve positioning end cover (910) and two bearing positioning sleeves (99); the inner sleeve (92) extends into the outer sleeve (91) and is connected with the outer sleeve (91) through a left bearing (94) and a right bearing (98), the inner sleeve (92) and the outer sleeve (91) can rotate freely through the left bearing (94) and the right bearing (98), the end parts of the inner sleeve (92) and the outer sleeve (91) are provided with the same flange, and therefore the left side beam (1) and the right side beam (2) of the hinged frame can be interchanged.
5. An articulated frame according to any of claims 1-4, wherein the outer sleeve positioning end cap (93) comprises an upper end cap (931) and a lower end cap (932), and the outer sleeve positioning end cap (93) is of a split structure, facilitating the assembly and disassembly of the articulated frame.
6. An articulated frame according to claim 2, characterized in that the transition piece (12) is provided with a circular hole in its centre, and the inner sleeve positioning end cap (910) is also provided with a circular hole in its centre through which the anti-roll bar can be inserted when the bogie is to be fitted.
7. An articulated frame according to any one of claims 1 to 6, characterized in that a set of outriggers (4) are welded on the outside of the left side beam (1) and the right side beam (2) of the articulated frame, the outriggers (4) are provided with anti-snaking damper seats (5) and secondary vertical damper seats (6), the outriggers (4) are longitudinally offset, so that anti-side-rolling torsion bar mounting sleeves (7) can be conveniently mounted in the centers of the left side beam (1) and the right side beam (2), and the centers of the anti-snaking dampers are ensured in the center of the bogie.
8. An articulated frame according to any of claims 1-6, wherein the left side beam (1) and the right side beam (2) are provided with a secondary spring mount (8), a brake mount (10), a secondary transverse damper mount (11), and a primary vertical damper mount (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427379.6A CN112356868B (en) | 2020-12-07 | 2020-12-07 | Articulated frame for railway vehicle bogie |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011427379.6A CN112356868B (en) | 2020-12-07 | 2020-12-07 | Articulated frame for railway vehicle bogie |
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| CN112356868A true CN112356868A (en) | 2021-02-12 |
| CN112356868B CN112356868B (en) | 2024-08-13 |
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|---|---|---|---|---|
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| GB1509431A (en) * | 1974-04-03 | 1978-05-04 | Paton H | Vehicle suspension |
| EP0118404A1 (en) * | 1983-02-04 | 1984-09-12 | Regents Of The University Of Minnesota | Guideway construction |
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