CN113771903B - Railway wagon bogie and railway wagon with same - Google Patents
Railway wagon bogie and railway wagon with same Download PDFInfo
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- CN113771903B CN113771903B CN202111146755.9A CN202111146755A CN113771903B CN 113771903 B CN113771903 B CN 113771903B CN 202111146755 A CN202111146755 A CN 202111146755A CN 113771903 B CN113771903 B CN 113771903B
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- 238000009434 installation Methods 0.000 claims description 21
- 230000013011 mating Effects 0.000 claims description 13
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229910003460 diamond Inorganic materials 0.000 description 9
- 239000010432 diamond Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The invention provides a railway wagon bogie and a railway wagon with the same, wherein the railway wagon bogie comprises: the side frame is provided with a mounting hole extending along the horizontal direction, and the mounting hole penetrates through the side wall of the side frame; the side wall of the swing bolster is provided with a mounting groove extending along the vertical direction, the swing bolster penetrates through the mounting hole, the side frame is inserted into the mounting groove, a stop piece is arranged between the side wall of the mounting groove and the side frame, and the swing bolster is in clearance fit with the side frame through the stop piece so as to limit the swing bolster to rotate relative to the side frame in the horizontal direction. Through the technical scheme provided by the application, the problem that the running quality of the bogie in the related technology is poor can be solved.
Description
Technical Field
The invention relates to the technical field of railway wagons, in particular to a railway wagon bogie and a railway wagon with the same.
Background
As shown in FIG. 1, the bogie of the railway wagon comprises a side frame 10, a swing bolster 20, a center plate assembly 40, a wedge assembly 50, a side bearing and a damping spring, wherein the swing bolster 20 is connected with the body of the railway wagon through the center plate assembly 40 and the side bearing. The bolster 20 and the side frames 10 are connected through the wedge assemblies 50 and the damping springs, the bolster 20 and a railway wagon body can rotate relatively through the center plate assemblies 40, the bolster 20 and the side frames 10 can move longitudinally and relatively through the wedge assemblies 50 and the damping springs, and the bolster 20 and the side frames 10 can also rotate horizontally and relatively.
In the related art, there is no reliable rotational restraint between the bolster 20 and the side frame 10, which reduces the diamond stiffness of the truck, and thus the running quality of the truck is poor.
Disclosure of Invention
The invention provides a railway wagon bogie and a railway wagon with the same, and aims to solve the problem that the running quality of the bogie in the related technology is poor.
According to one aspect of the present invention, there is provided a railway freight car bogie comprising: the side frame is provided with a mounting hole extending along the horizontal direction, and the mounting hole penetrates through the side wall of the side frame; the swing bolster comprises a swing bolster, wherein a mounting groove extending along the vertical direction is formed in the side wall of the swing bolster, the swing bolster penetrates through the mounting hole, a side frame is inserted into the mounting groove, a stop piece is arranged between the side wall of the mounting groove and the side frame, and the swing bolster is in clearance fit with the side frame through the stop piece so as to limit the swing bolster to rotate relative to the side frame in the horizontal direction.
Furthermore, the mounting groove comprises a first side wall, a second side wall and a third side wall which are connected in sequence, the first side wall and the third side wall are arranged corresponding to the side walls of the side frames, and the second side wall is arranged corresponding to the side walls of the mounting hole; stop pieces are arranged between the first side wall and the side wall of the side frame and between the third side wall and the side wall of the side frame; or a stop piece is arranged between the second side wall and the side wall of the mounting hole.
Furthermore, the swing bolster comprises a swing bolster body and two installation seats, the two installation seats are arranged on the side wall of the swing bolster body at intervals along the horizontal direction, the side walls of the two installation seats and the side wall of the swing bolster body jointly enclose to form an installation groove, the stop piece is arranged on one side, facing the side frame, of the installation seats, and the stop piece is in clearance fit with the side wall of the side frame.
Furthermore, the stop piece comprises a stop flat plate and a first connecting column, one end of the first connecting column is connected with the stop flat plate, a first connecting hole is formed in the side wall of the mounting seat, and the first connecting column penetrates through the first connecting hole and is connected with the mounting seat; the first connecting column comprises a column body and a limiting boss, one end of the column body is connected with the stop flat plate, the limiting boss is arranged at the other end of the column body, a deformation groove is formed in the first connecting column, and the deformation groove extends along the axial direction of the first connecting column and penetrates through the limiting boss.
Furthermore, the stop piece is positioned between the side wall of the mounting groove and the side wall of the mounting hole, the swing bolster is provided with a second connecting column arranged corresponding to the side wall of the mounting hole, a second connecting hole is formed in the stop piece, and the second connecting column penetrates through the second connecting hole and is connected with the stop piece; and/or two ends of the side wall of the mounting hole are respectively provided with a stop piece.
Further, the railway freight car bogie still includes the center plate subassembly, and the center plate subassembly includes upper center plate, lower center plate and first cushion, and the lower center plate sets up on the roof of truck bloster, and the upper center plate is located the top of lower center plate, and first cushion presss from both sides and establishes between upper center plate and lower center plate.
Furthermore, the center plate assembly also comprises a center plate abrasion plate, and the center plate abrasion plate is clamped between the upper center plate and the first elastic pad; the upper end of the lower center plate is provided with a counter bore, the lower end of the upper center plate is provided with a mounting convex part, the mounting convex part is inserted into the counter bore, the first elastic cushion is positioned in the counter bore, and the first elastic cushion is positioned between the mounting convex part and the counter bore; the core disc assembly further comprises a center pin, the upper core disc is provided with a first center hole, the elastic pad is provided with a second center hole, the lower core disc is provided with a third center hole, and the center pin penetrates through the first center hole, the second center hole and the third center hole.
Further, the railway freight car bogie still includes the slide wedge subassembly, and the slide wedge subassembly includes slide wedge body and friction plate, and the slide wedge body has first fitting surface and second fitting surface, and the second fitting surface is the inclined plane, and the friction plate sets up in first fitting surface, and the friction plate corresponds the side bearer setting, and the second fitting surface corresponds the bolster setting, is provided with the second cushion between slide wedge body and the side bearer.
Furthermore, a second elastic pad is arranged between the friction plate and the wedge body, one side of the second elastic pad is abutted against the first matching surface, and the other side of the second elastic pad is abutted against the friction plate; and/or the side wall of the mounting hole is provided with an upright post wearing plate, and the friction plate is arranged corresponding to the upright post wearing plate.
Furthermore, the side wall of the mounting hole is provided with a stand column wearing plate, and the second elastic pad is clamped between the side wall of the mounting hole and the side wall of the stand column wearing plate.
According to another aspect of the present invention there is provided a railway wagon comprising a railway wagon bogie as provided above.
According to the technical scheme, the side frames are provided with the horizontally extending mounting holes, the side walls of the swing bolster are provided with the vertically extending mounting grooves, the swing bolster penetrates through the mounting holes of the side frames, the side frames are inserted into the mounting grooves, the stop parts are arranged between the side walls of the mounting grooves and the side frames, the swing bolster is in clearance fit with the side frames through the stop parts, and the stop parts enable the clearance formed between the swing bolster and the side frames to be small, so that the swing bolster is limited to rotate relative to the side frames in the horizontal direction, reliable rotation limitation is further achieved between the swing bolster and the side frames, the diamond-resistant rigidity of the railway freight car bogie is increased, and the running quality of the railway freight car bogie is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a schematic view of a prior art railway freight car truck;
FIG. 2 illustrates a partial cross-sectional view of a railway freight car truck provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a cross-sectional view of a stop member of a railway freight car truck disposed between a mount and a side wall of a sideframe provided in accordance with an embodiment of the present invention;
FIG. 4 shows a schematic structural view of the stopper of FIG. 3;
FIG. 5 shows a schematic view of the mount of FIG. 3;
FIG. 6 shows a cross-sectional view of a stopper of a railway freight car truck provided in accordance with an embodiment of the present invention, being disposed between a side wall of a mounting groove and a side wall of a mounting hole;
FIG. 7 shows a schematic structural view of the stopper of FIG. 6;
FIG. 8 is a schematic illustration of a second connecting column on a bolster of a railway freight car truck according to an embodiment of the present invention;
FIG. 9 illustrates a cross-sectional view of a railway freight car truck provided in accordance with an embodiment of the present invention;
FIG. 10 shows a cross-sectional view of the hub assembly of FIG. 9;
FIG. 11 illustrates a cross-sectional view of a second resilient pad of a railway freight car truck disposed on a cam assembly in accordance with an embodiment of the present invention;
fig. 12 illustrates a cross-sectional view of a second resilient pad of a railway freight car truck provided in accordance with an embodiment of the present invention disposed on a side wall of a mounting hole.
Wherein the figures include the following reference numerals:
10. a side frame; 11. mounting holes; 111. a side wall of the mounting hole; 12. a side wall of the side frame; 13. a column wearing plate;
20. a swing bolster; 21. mounting grooves; 211. a first side wall; 212. a second side wall; 213. a third side wall; 22. a bolster body; 23. a mounting seat; 231. a first connection hole; 24. a second connecting column;
30. a stopper; 31. a stopper plate; 32. a first connecting column; 321. a cylinder; 322. a limiting boss; 323. a deformation groove; 33. a second connection hole;
40. a core disk assembly; 41. an upper center plate; 411. a mounting boss; 412. a first central aperture; 42. a lower center plate; 421. a counter bore; 422. a third central aperture; 43. a first elastic pad; 431. a second central aperture; 44. a core plate wear plate; 45. a center pin;
50. a cam assembly; 51. a wedge body; 511. a first mating surface; 512. a second mating surface; 52. a friction plate; 53. a second elastic pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2 to 12, an embodiment of the present invention provides a railway wagon bogie, which includes a side frame 10 and a bolster 20, wherein the side frame 10 has a mounting hole 11 extending in a horizontal direction, the mounting hole 11 penetrates through a side wall 12 of the side frame, a mounting groove 21 extending in a vertical direction is provided on a side wall of the bolster 20, the bolster 20 is inserted through the mounting hole 11, the side frame 10 is inserted into the mounting groove 21, a stopper 30 is provided between a side wall of the mounting groove 21 and the side frame 10, and the bolster 20 is in clearance fit with the side frame 10 through the stopper 30 to limit rotation of the bolster 20 relative to the side frame 10 in the horizontal direction.
According to the technical scheme, the mounting hole 11 extending in the horizontal direction is formed in the side frame 10, the mounting groove 21 extending in the vertical direction is formed in the side wall of the swing bolster 20, the swing bolster 20 penetrates through the mounting hole 11 of the side frame 10, the side frame 10 is inserted into the mounting groove 21, the stop piece 30 is arranged between the side wall of the mounting groove 21 and the side frame 10, the swing bolster 20 is in clearance fit with the side frame 10 through the stop piece 30, and the stop piece 30 enables a clearance formed between the swing bolster 20 and the side frame 10 to be small, so that the swing bolster 20 is limited to rotate relative to the side frame 10 in the horizontal direction, reliable rotation restriction is further achieved between the swing bolster 20 and the side frame 10, diamond resistance rigidity of a railway freight car bogie is increased, and running quality of the railway freight car bogie is improved.
It should be noted that the stop 30 is made of a wear-reducing material, such as nylon.
Here, the side frame 10 has a mounting hole 11 extending in a horizontal direction, which means that the extending direction of the mounting hole 11 is parallel to a horizontal plane. The side wall of the bolster 20 is provided with an installation groove 21 extending along the vertical direction, which means that the extending direction of the installation groove 21 is perpendicular to the horizontal plane.
As shown in fig. 3 and 11, the mounting groove 21 includes a first sidewall 211, a second sidewall 212, and a third sidewall 213 connected in sequence, the first sidewall 211 and the third sidewall 213 are disposed corresponding to the sidewall 12 of the side frame, the second sidewall 212 is disposed corresponding to the sidewall 111 of the mounting hole, the stoppers 30 are disposed between the first sidewall 211 and the sidewall 12 of the side frame and between the third sidewall 213 and the sidewall 12 of the side frame, or the stoppers 30 are disposed between the second sidewall 212 and the sidewall 111 of the mounting hole. The stop member 30 is adopted to limit the relative rotation of the side frame 10 and the bolster 20 in the horizontal plane, so that the bolster 20 and the side frame 10 have reliable rotation restriction, and the diamond-resistant rigidity of the railway freight car bogie is increased.
The present invention includes the first embodiment and the second embodiment according to the difference in the position where the stopper 30 is disposed. In the first embodiment, the stoppers 30 are disposed between the first sidewall 211 and the sidewall 12 of the side frame and between the third sidewall 213 and the sidewall 12 of the side frame. In the second embodiment, the stopper 30 is disposed between the second sidewall 212 and the sidewall 111 of the mounting hole.
As shown in fig. 2 to 5, in the first embodiment, the bolster 20 includes a bolster body 22 and two installation seats 23, the two installation seats 23 are arranged on a side wall of the bolster body 22 at intervals along a horizontal direction, side walls of the two installation seats 23 and the side wall of the bolster body 22 jointly enclose an installation groove 21, a stop member 30 is arranged on a side of the installation seat 23 facing the side frame 10, and the stop member 30 is in clearance fit with the side wall 12 of the side frame. The stopper effect can be improved by stopping both sides of the side frame 10 at the same time using the two stoppers 30. The structure in which the stopper 30 is provided on the mount 23 has an advantage of facilitating installation.
Specifically, in the first embodiment, as shown in fig. 5, the two side walls of the bolster body 22 are provided with the mounting seats 23 corresponding to the side walls of the side frames, and the stop member 30 is provided between each mounting seat 23 and the side wall 12 of the corresponding side frame, so that the stop member 30 better limits the relative rotation of the side frame 10 and the bolster 20 in the horizontal plane, and the bolster 20 and the side frame 10 are reliably restrained in rotation, thereby further increasing the diamond-resistant rigidity of the railway wagon bogie.
As shown in fig. 4, the stopper 30 includes a stopper plate 31 and a first connection post 32, one end of the first connection post 32 is connected to the stopper plate 31, a first connection hole 231 is formed in a sidewall of the mounting base 23, and the first connection post 32 is inserted into the first connection hole 231 and connected to the mounting base 23. The stopper 30 is mounted on the mounting seat 23 by connecting the first connection post 32 and the first connection hole 231, which has the advantages of simple structure and convenient assembly.
Specifically, the first connecting post 32 includes a post 321 and a limiting boss 322, one end of the post 321 is connected to the stopping plate 31, the limiting boss 322 is disposed at the other end of the post 321, a deforming groove 323 is disposed on the first connecting post 32, and the deforming groove 323 extends along the axial direction of the first connecting post 32 and penetrates through the limiting boss 322. During the assembly process, the first connecting column 32 is deformed by the deforming groove 323, so that the stop piece 30 is easier to mount, and the limit boss 322 can ensure that the stop piece 30 is more stably connected with the mounting seat 23.
As shown in fig. 3 to 11, in the second embodiment, the stopper 30 is located between the side wall of the mounting groove 21 and the side wall 111 of the mounting hole, the bolster 20 has the second connecting column 24 corresponding to the side wall 111 of the mounting hole, the stopper 30 is provided with the second connecting hole 33, the second connecting column 24 is inserted into the second connecting hole 33 and connected with the stopper 30, and the stopper 30 is assembled to the side wall of the mounting groove 21 by inserting the second connecting column 24 into the second connecting hole 33, which has the advantages of simple structure and convenient assembly.
The two ends of the side wall 111 of the mounting hole are respectively provided with a stop member 30, namely, the side wall of one side of the two ends of the mounting hole 11 is respectively provided with a stop member 30 along the extending direction of the swing bolster 20, so that the stop members 30 can better limit the relative rotation of the side frame 10 and the swing bolster 20 in the horizontal plane, reliable rotation restriction is provided between the swing bolster 20 and the side frame 10, and the diamond-resistant rigidity of the railway wagon bogie is further increased.
As shown in fig. 9 and 10, the railway freight car bogie further includes a center plate assembly 40, the center plate assembly 40 includes an upper center plate 41, a lower center plate 42, and a first elastic pad 43, the lower center plate 42 is disposed on the top wall of the bolster 20, the upper center plate 41 is disposed above the lower center plate 42, and the first elastic pad 43 is sandwiched between the upper center plate 41 and the lower center plate 42. The upper core plate 41 and the lower core plate 42 are elastically connected by a first elastic pad 43 sandwiched between the upper core plate 41 and the lower core plate 42. Through setting up first cushion 43 between last heart dish 41 and lower heart dish 42, because first cushion 43 adopts elastic material to make, consequently first cushion 43 has certain elasticity, and first cushion 43 can produce the deformation after the atress, can realize the elastic connection between last heart dish 41 and the lower heart dish 42, has realized the elastic connection between automobile body and the bolster 20, improves the operation quality of bogie.
In this embodiment, the first elastic pad 43 is sandwiched between the upper core plate 41 and the lower core plate 42, and includes the following two structures: the first is that the first elastic pad 43 is directly contacted with the upper core disc 41 and the lower core disc 42 respectively, so as to realize that the first elastic pad 43 is clamped between the upper core disc 41 and the lower core disc 42; the second is that the first elastic pad 43 is indirectly in contact with the upper core plate 41 and the lower core plate 42 by other members, so that the first elastic pad 43 is sandwiched between the upper core plate 41 and the lower core plate 42.
In this embodiment, the center plate assembly 40 further includes a center plate wear plate 44, and the center plate wear plate 44 is sandwiched between the upper center plate 41 and the first elastic pad 43. With the above configuration, the first elastic pad 43 can be indirectly in contact with the upper core plate 41 through the core plate wear plate 44, and is interposed between the upper core plate 41 and the lower core plate 42.
Specifically, the upper end of the lower core plate 42 is provided with a counter bore 421, the lower end of the upper core plate 41 is provided with a mounting convex portion 411, the mounting convex portion 411 is inserted into the counter bore 421, the first elastic pad 43 is located in the counter bore 421, and the first elastic pad 43 is located between the mounting convex portion 411 and the counter bore 421. Under the limit of the counter bore 421, the connection stability of the upper core disc 41 and the lower core disc 42 can be improved, and the assembly stability of the first elastic pad 43 can be improved.
As shown in fig. 10, the core plate assembly 40 further includes a center pin 45, the upper core plate 41 has a first center hole 412, the first elastic pad 43 has a second center hole 431, the lower core plate 42 has a third center hole 422, and the center pin 45 is inserted into the first center hole 412, the second center hole 431, and the third center hole 422. With the above structure, under the positioning action of the center pin 45, the upper core plate 41, the first elastic pad 43 and the lower core plate 42 can be ensured to have good coaxiality.
In the present embodiment, the first center hole 412, the second center hole 431, and the third center hole 422 are coaxially disposed, and the center pin 45 is a cylindrical pin.
The material of the first elastic pad 43 includes rubber.
As shown in fig. 11 and 12, the railway freight car truck further includes a wedge assembly 50, the wedge assembly 50 includes a wedge body 51 and a friction plate 52, the wedge body 51 has a first mating surface 511 and a second mating surface 512, the second mating surface 512 is an inclined surface, the friction plate 52 is disposed on the first mating surface 511, the friction plate 52 is disposed corresponding to the side frame 10, the second mating surface 512 is disposed corresponding to the bolster 20, and a second elastic pad 53 is disposed between the wedge body 51 and the side frame 10. The second elastic pad 53 is arranged between the wedge body 51 and the side frame 10, so that the connection rigidity between the wedge assembly 50 and the side frame 10 is reduced, and the running quality of the railway wagon bogie is improved.
The second elastic pad 53 is made of rubber.
It should be noted that a second elastic pad 53 is disposed between the wedge body 51 and the side frame 10, and includes the following two structures:
in the first structure, as shown in fig. 11, the second elastic pad 53 is disposed between the friction plate 52 and the wedge body 51, one side of the second elastic pad 53 abuts against the first mating surface 511, and the other side of the second elastic pad 53 abuts against the friction plate 52, so that there is no rigid contact between the friction plate 52 and the wedge body 51, and the rigidity of the wedge assembly 50 is reduced, thereby reducing the connection rigidity between the bolster 20 and the side frame 10 and improving the operation quality of the railway freight car bogie. The side wall 111 of the mounting hole is provided with the column wear plate 13, the friction plate 52 is arranged corresponding to the column wear plate 13, and in the rotating process of the railway freight car bogie, the friction plate 52 and the column wear plate 13 realize the vibration reduction effect. Specifically, the wedge assembly 50 further includes a positioning pin, a positioning column is arranged on the friction plate 52, a limiting hole is arranged on a side wall of the positioning column, a first positioning hole is arranged on the second elastic pad 53, a second positioning hole is arranged on the wedge body, the second positioning hole penetrates through the second positioning hole, the positioning column penetrates through the first positioning hole and penetrates out of the second positioning hole, and the positioning pin is inserted into the positioning column. The friction plate 52 and the second elastic pad 53 can be positioned by the positioning posts. Meanwhile, the connecting mode that the positioning column penetrates through the first positioning hole and the second positioning hole and the wedge body 51 is adopted, and the wedge has the advantages of being simple in structure and convenient to assemble. It should be noted that the cam assembly 50 further includes a limiting structure, the limiting structure includes a boss, a first groove and a second groove, the first groove is disposed on the upper edge and the lower edge of the friction plate, the second groove is disposed on the upper edge and the lower edge of the second elastic pad 53, the first groove and the boss are in clearance fit, the second groove and the boss are in clearance fit, and by adopting the above structure, the limiting structure is used to limit the friction plate 52 and the second elastic pad 53 to rotate relative to the side frame 10.
In the second configuration, as shown in fig. 11 and 12, the pillar wear plate 13 is provided on the side wall 111 of the mounting hole, and the second elastic pad 53 is interposed between the side wall 111 of the mounting hole and the side wall of the pillar wear plate 13. By arranging the second elastic pad 53 between the side wall 111 of the mounting hole and the column wear plate 13, the connection rigidity between the wedge assembly 50 and the side frame 10 is reduced, and the running quality of the railway freight car bogie is improved. The side wall 111 of the mounting hole is provided with a threaded hole, the second elastic pad 53 is provided with a through hole, and the connecting piece penetrates through the through hole to be in threaded connection with the threaded hole.
It should be noted that the present invention includes the first embodiment and the second embodiment according to the different positions of the stopper 30. In the first embodiment, since the stoppers 30 are disposed between the first sidewall 211 and the sidewall 12 of the side frame and between the third sidewall 213 and the sidewall 12 of the side frame, the first elastic pad 43 is interposed between the upper center plate 41 and the lower center plate 42, so that the elastic connection is formed between the upper center plate 41 and the lower center plate 42, and the first elastic pad 43 provides a deformation space to prevent the connection stiffness between the bolster and the side frame from being too high. In the second embodiment, since the stopper 30 is disposed between the second sidewall 212 and the sidewall 111 of the mounting hole, the second elastic pad 53 is disposed between the wedge body 51 and the side frame 10, so that the connection rigidity between the wedge assembly 50 and the side frame 10 is reduced, and the second elastic pad 53 provides a deformation space to prevent the connection rigidity between the bolster 20 and the side frame 10 from being too high.
According to still another embodiment of the present invention, a railway wagon is provided, wherein the railway wagon comprises the railway wagon bogie provided as above, the side frame 10 is provided with the mounting hole 11 extending along the horizontal direction, the stop member 30 is arranged between the side wall of the mounting groove 21 and the side frame 10, the bolster 20 is in clearance fit with the side frame 10 through the stop member 30, and the stop member 30 enables a clearance formed between the bolster 20 and the side frame 10 to be small, so that the rotation of the bolster 20 relative to the side frame 10 is limited in the horizontal direction, and further, the reliable rotation restriction is provided between the bolster 20 and the side frame 10, and the diamond-resistant rigidity of the railway wagon bogie is increased. By providing the first elastic pad 43 between the upper center plate 41 and the lower center plate 42, the elastic connection between the upper center plate 41 and the lower center plate 42 can be achieved, and the elastic connection between the vehicle body and the bolster 20 can be achieved. The second elastic pad 53 is arranged between the wedge body 51 and the side frame 10, so that the connection rigidity between the wedge assembly 50 and the side frame 10 is reduced, and the running quality of the railway wagon bogie is improved.
The railway wagon bogie and the railway wagon with the same provided by the invention have the following beneficial effects:
1) A stop member 30 is arranged between the mounting seat 23 and the side wall 12 of the corresponding side frame, and the bolster 20 and the side frame 10 form small clearance fit through the stop member 30, so that the rotation of the bolster 20 relative to the side frame 10 is limited in the horizontal direction, and reliable rotation restriction is realized between the bolster 20 and the side frame 10, so that the diamond-resistant rigidity of the railway wagon bogie is increased, and the running quality of the railway wagon bogie is improved;
2) A stop member 30 is arranged between the side wall of the mounting groove 21 and the side wall 111 of the mounting hole, and the swing bolster 20 and the side frame 10 form small clearance fit through the stop member 30, so that the rotation of the swing bolster 20 relative to the side frame 10 is limited in the horizontal direction, and reliable rotation restriction is realized between the swing bolster 20 and the side frame 10, so that the diamond-resistant rigidity of the railway freight car bogie is increased, and the running quality of the railway freight car bogie is improved;
3) The first elastic cushion 43 is arranged between the upper center plate 41 and the lower center plate 42, so that the elastic connection between the upper center plate 41 and the lower center plate 42 can be realized, the elastic connection between the truck body and the swing bolster 20 is realized, and the running quality of the railway wagon bogie is improved;
4) The second elastic cushion 53 is arranged between the wedge body 51 and the side frame 10, so that the connection rigidity between the wedge assembly 50 and the side frame 10 is reduced, and the running quality of the railway wagon bogie is improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A railway freight car truck, comprising:
a side frame (10), wherein the side frame (10) is provided with a mounting hole (11) extending along the horizontal direction, and the mounting hole (11) penetrates through a side wall (12) of the side frame;
the swing bolster comprises a swing bolster (20), wherein a mounting groove (21) extending along the vertical direction is formed in the side wall of the swing bolster (20), the swing bolster (20) penetrates through the mounting hole (11), the side frame (10) is inserted into the mounting groove (21), a stop piece (30) is arranged between the side wall of the mounting groove (21) and the side frame (10), and the swing bolster (20) is in clearance fit with the side frame (10) through the stop piece (30) so as to limit the swing bolster (20) to rotate relative to the side frame (10) in the horizontal direction;
the swing bolster (20) comprises a swing bolster body (22) and two installation seats (23), the two installation seats (23) are arranged on the side wall of the swing bolster body (22) at intervals along the horizontal direction, the side walls of the two installation seats (23) and the side wall of the swing bolster body (22) jointly enclose the installation groove (21), and the stop piece (30) is arranged on one side, facing the side frame (10), of the installation seat (23);
the stop piece (30) comprises a stop flat plate (31) and a first connecting column (32), one end of the first connecting column (32) is connected with the stop flat plate (31), a first connecting hole (231) is formed in the side wall of the mounting seat (23), and the first connecting column (32) penetrates through the first connecting hole (231) and is connected with the mounting seat (23).
2. A railway freight car truck as claimed in claim 1, wherein the mounting slot (21) comprises a first side wall (211), a second side wall (212) and a third side wall (213) connected in series, the first side wall (211) and the third side wall (213) being disposed in correspondence with the side wall (12) of the side frame, the second side wall (212) being disposed in correspondence with the side wall (111) of the mounting hole;
the stop parts (30) are arranged between the first side wall (211) and the side wall (12) of the side frame and between the third side wall (213) and the side wall (12) of the side frame; or,
the stopper (30) is disposed between the second side wall (212) and the side wall (111) of the mounting hole.
3. A railway freight car truck as claimed in claim 1, wherein the stop (30) is a clearance fit with the side wall (12) of the side frame.
4. A railway wagon bogie as claimed in claim 3, wherein the first connecting post (32) comprises a post body (321) and a limit boss (322), one end of the post body (321) is connected with the stop plate (31), the limit boss (322) is arranged at the other end of the post body (321), a deformation groove (323) is arranged on the first connecting post (32), and the deformation groove (323) extends along the axial direction of the first connecting post (32) and is arranged to penetrate through the limit boss (322).
5. A railway wagon bogie as recited in claim 1,
the stop piece (30) is positioned between the side wall of the mounting groove (21) and the side wall (111) of the mounting hole, the swing bolster (20) is provided with a second connecting column (24) which is arranged corresponding to the side wall (111) of the mounting hole, a second connecting hole (33) is formed in the stop piece (30), and the second connecting column (24) penetrates through the second connecting hole (33) and is connected with the stop piece (30); and/or the presence of a gas in the atmosphere,
the two ends of the side wall (111) of the mounting hole are respectively provided with the stop piece (30).
6. A railway freight car bogie according to any one of claims 1 to 5, further comprising a core disc assembly (40), the core disc assembly (40) comprising an upper core disc (41), a lower core disc (42), and a first resilient pad (43), the lower core disc (42) being disposed on a top wall of the bolster (20), the upper core disc (41) being located above the lower core disc (42), the first resilient pad (43) being sandwiched between the upper core disc (41) and the lower core disc (42).
7. A railway wagon bogie as recited in claim 6,
the core disc assembly (40) further comprises a core disc wearing plate (44), and the core disc wearing plate (44) is clamped between the upper core disc (41) and the first elastic pad (43);
a counter bore (421) is formed in the upper end of the lower center plate (42), an installation convex part (411) is formed in the lower end of the upper center plate (41), the installation convex part (411) is inserted into the counter bore (421), the first elastic pad (43) is located in the counter bore (421), and the first elastic pad (43) is located between the installation convex part (411) and the counter bore (421);
the core disc assembly (40) further comprises a center pin (45), the upper core disc (41) has a first center hole (412), the first elastic pad (43) has a second center hole (431), the lower core disc (42) has a third center hole (422), and the center pin (45) is inserted into the first center hole (412), the second center hole (431) and the third center hole (422).
8. A railway freight car truck according to any one of claims 1 to 5, further comprising a wedge assembly (50), wherein the wedge assembly (50) comprises a wedge body (51) and a friction plate (52), the wedge body (51) has a first mating surface (511) and a second mating surface (512), the second mating surface (512) is an inclined surface, the friction plate (52) is disposed on the first mating surface (511), the friction plate (52) is disposed corresponding to the side frame (10), the second mating surface (512) is disposed corresponding to the bolster (20), and a second elastic pad (53) is disposed between the wedge body (51) and the side frame (10).
9. A railway wagon bogie as recited in claim 8,
the second elastic pad (53) is arranged between the friction plate (52) and the wedge body (51), one side of the second elastic pad (53) is abutted with the first matching surface (511), and the other side of the second elastic pad (53) is abutted with the friction plate (52); and/or the presence of a gas in the gas,
and a column wearing plate (13) is arranged on the side wall (111) of the mounting hole, and the friction plate (52) is arranged corresponding to the column wearing plate (13).
10. A railway wagon bogie as claimed in claim 8, wherein the side walls (111) of the mounting hole are provided with a column wear plate (13), and the second resilient pad (53) is sandwiched between the side walls (111) of the mounting hole and the side walls of the column wear plate (13).
11. A railway wagon, wherein the railway wagon bogie comprises a railway wagon bogie as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146755.9A CN113771903B (en) | 2021-09-28 | 2021-09-28 | Railway wagon bogie and railway wagon with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111146755.9A CN113771903B (en) | 2021-09-28 | 2021-09-28 | Railway wagon bogie and railway wagon with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113771903A CN113771903A (en) | 2021-12-10 |
| CN113771903B true CN113771903B (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111146755.9A Active CN113771903B (en) | 2021-09-28 | 2021-09-28 | Railway wagon bogie and railway wagon with same |
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| Country | Link |
|---|---|
| CN (1) | CN113771903B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3986752A (en) * | 1974-04-11 | 1976-10-19 | E. I. Du Pont De Nemours And Company | Resilient center bearing assembly |
| US4222331A (en) * | 1978-11-06 | 1980-09-16 | The Polymer Corporation | Resilient center plate assembly |
| US5921186A (en) * | 1997-05-02 | 1999-07-13 | Amsted Industries Incorporated | Bolster land arrangement for a railcar truck |
| US6173655B1 (en) * | 1998-08-20 | 2001-01-16 | Amsted Industries Incorporated | Side frame-bolster interface for railcar truck assembly |
| US6186075B1 (en) * | 1998-08-20 | 2001-02-13 | Amsted Industries Incorporated | Side frame-bolster interface for railcar truck assembly |
| CN202175065U (en) * | 2011-07-06 | 2012-03-28 | 南车二七车辆有限公司 | Elastic wedge for railway wagon bogie frame |
| CN104442884A (en) * | 2014-12-16 | 2015-03-25 | 南车二七车辆有限公司 | Elastic wedge for bogie of rail wagon |
-
2021
- 2021-09-28 CN CN202111146755.9A patent/CN113771903B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3986752A (en) * | 1974-04-11 | 1976-10-19 | E. I. Du Pont De Nemours And Company | Resilient center bearing assembly |
| US4222331A (en) * | 1978-11-06 | 1980-09-16 | The Polymer Corporation | Resilient center plate assembly |
| US5921186A (en) * | 1997-05-02 | 1999-07-13 | Amsted Industries Incorporated | Bolster land arrangement for a railcar truck |
| US6173655B1 (en) * | 1998-08-20 | 2001-01-16 | Amsted Industries Incorporated | Side frame-bolster interface for railcar truck assembly |
| US6186075B1 (en) * | 1998-08-20 | 2001-02-13 | Amsted Industries Incorporated | Side frame-bolster interface for railcar truck assembly |
| CN202175065U (en) * | 2011-07-06 | 2012-03-28 | 南车二七车辆有限公司 | Elastic wedge for railway wagon bogie frame |
| CN104442884A (en) * | 2014-12-16 | 2015-03-25 | 南车二七车辆有限公司 | Elastic wedge for bogie of rail wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113771903A (en) | 2021-12-10 |
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