CN114312128B - Gear rail wheel and bogie - Google Patents
Gear rail wheel and bogie Download PDFInfo
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- CN114312128B CN114312128B CN202210106647.7A CN202210106647A CN114312128B CN 114312128 B CN114312128 B CN 114312128B CN 202210106647 A CN202210106647 A CN 202210106647A CN 114312128 B CN114312128 B CN 114312128B
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- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The application provides a rack wheel and a bogie, wherein the rack wheel comprises: the gear ring, the first gear hub and the second gear hub which are mounted in a small clearance fit with the gear ring, and the elastic element; the inner ring of the gear ring is provided with a plurality of first grooves and a plurality of stop blocks at intervals along the circumferential direction; the first gear hub and the second gear hub are connected with each other and are in small clearance fit with the inner ring of the gear ring, and the elastic element and the stop block are located between the first gear hub and the second gear hub. In the process of meshing the toothed rail wheel with the toothed rail track, under the action of a driving force between the toothed rail wheel and the rack, the elastic element in the gear ring is compressed, and if pitch errors and uneven meshing caused by abrasion of the gear and the rack exist, vibration impact is generated, and compensation and buffering can be performed through the action of the elastic element.
Description
Technical Field
The application relates to the technical field of railway vehicles, in particular to a rack wheel and a bogie.
Background
The toothed rail is a steel rail with a strip of teeth additionally arranged in the middle of a common rail. The meshing of the toothed rail wheel of the bogie equipped on the toothed rail car with the toothed rack on the road, thus realizing the traction and braking of the rolling stock. The rack rail train is generally used on a road section with a certain gradient and has stronger climbing capacity. The middle of the toothed rail section is provided with a rack, the two sides of the toothed rail section are provided with common rails, the toothed rail wheel is matched with the rack, and the wheel pair is matched with the rails at the two sides.
At present, a toothed rail wheel device structure on a toothed rail vehicle generally adopts a rigid connection of a toothed rail wheel and a gearbox driving gear, the toothed rail wheel is driven to rotate by the gearbox driving gear, and the toothed rail wheel is directly meshed with a rail toothed rail for walking. Due to the topography factors and construction errors, the pitch errors between the track toothed rail and the toothed rail wheels cannot be eliminated in the running process of the toothed rail train, so that the toothed rail and the toothed rail wheels are seriously worn, the noise is large, meanwhile, the serious tooth jacking phenomenon of the gears and the racks can occur, serious potential safety hazards and great economic loss can be caused, and the maintenance of the device is very troublesome due to the working environment of the toothed rail.
Disclosure of Invention
The application aims to provide a toothed rail wheel and a bogie, which can eliminate pitch errors in the meshing process of the toothed rail wheel and the toothed rail, reduce top teeth, reduce abrasion and reduce noise.
In a first aspect, an embodiment of the present application provides a toothed rail wheel, comprising: a gear ring, a first gear hub, a second gear hub, and an elastic member; the outer ring of the gear ring is provided with teeth for meshing with the toothed rail, and the inner ring of the gear ring is provided with a plurality of first grooves and a plurality of stop blocks at intervals along the circumferential direction; the first gear hub and the second gear hub are connected with each other and are in small clearance fit with the inner ring of the gear ring, and the elastic element and the stop block are positioned between the first gear hub and the second gear hub;
the first gear hub comprises a first end face and a second end face, the first end face is positioned on the inner side of the inner ring of the gear ring, and second grooves are formed in the edge of the first end face at intervals along the circumferential direction; the second gear hub comprises a third end face and a fourth end face, the third end face is positioned on the inner side of the inner ring of the gear ring, and third grooves are formed in the edge of the third end face at intervals along the circumferential direction; the second grooves and the third grooves are in one-to-one correspondence with the first grooves;
the elastic element is positioned in a mounting cavity surrounded by the first groove, the second groove and the third groove and is in a precompressed state; the elastic element comprises a bottom and an arc-shaped top, the bottom of the elastic element is arranged in the first groove, and the arc-shaped top of the elastic element is arranged in the second groove and the third groove;
the gear rail wheel during rotation causes the resilient element within the gear ring to be further compressed for adaptively adjusting the relative displacement of the gear ring with respect to the first and second gear hubs.
Optionally, in the axial direction of the ring gear, the length of the first groove is equal to the sum of the lengths of the second groove and the third groove.
Optionally, the first end face is provided with a concave ring structure, the third end face is provided with a convex ring structure, and the axial dimension of the concave ring structure is smaller than that of the convex ring structure; the stop block is positioned in a space surrounded by the first end face, the third end face and part of the protruding circular ring structure.
Optionally, in the axial direction of the gear ring, the sum of the axial dimension of the stop block along the gear ring and the axial dimension of the concave ring structure is smaller than the axial dimension of the convex ring structure, so that a first preset gap is reserved between the first end face and/or the third end face and the stop block.
Optionally, the indent ring structure with protruding ring structure cooperatees, and the indent ring structure with protruding ring structure department has all seted up threaded hole, first tooth hub with the second tooth hub is in indent ring with protruding ring department realizes fixed mounting through bolt and threaded hole cooperation.
Optionally, the outer diameters of the first end face and the third end face are smaller than the inner diameter of the gear ring, and a second preset gap is reserved between the circumferential surfaces of the first end face and the third end face and the inner ring of the gear ring; the outer diameters of the second end face and the fourth end face are smaller than the inner diameter of the gear ring.
Optionally, the second groove is in small clearance fit with the elastic element in the axial direction of the ring gear, and the third groove is in small clearance fit with the elastic element in the axial direction of the ring gear.
Optionally, the elastic element is a U-shaped spring or an Ω -shaped spring, and the bottom of the elastic element is two separated supporting legs, and the two separated supporting legs are disposed in the first groove.
Optionally, the thickness of the support leg is greater than the thickness of the arcuate top.
In a second aspect, an embodiment of the present application further provides a bogie comprising a frame, wheels, etc., and a toothed rail wheel according to the above embodiment, the toothed rail wheel being arranged on the wheel set.
According to the toothed rail wheel and the bogie, if gaps caused by pitch errors exist in the process of meshing the toothed rail wheel with the toothed rail track, the elastic elements in the gear ring are further compressed or relaxed in the rotating process of the toothed rail wheel, and the changing distance of the elastic elements is equal to the size of the gaps caused by the pitch errors; then the toothed rail wheel transmits torque through the cooperation of the first toothed hub and the second toothed hub in the process of continuing to rotate, so that the wheel is driven to rotate, namely the toothed rail wheel walks by a distance of pitch error in advance or after lagging, then the toothed rail wheel is completely meshed with the toothed rail track to travel, and the pitch error is continuously compensated in the travelling process, so that the pitch error is eliminated; the toothed rail wheel provided by the embodiment of the application adopts the elastic element to balance the pitch error in the meshing of the toothed rail and the toothed rail wheel, and adopts the first toothed hub and the second toothed hub to transmit torque, so that the running is smoother, the abrasion of the toothed rail and the toothed rail wheel can be effectively reduced, and the noise is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a toothed rail wheel according to an embodiment of the present application;
fig. 2 is a schematic diagram of an internal structure of a toothed rail wheel according to an embodiment of the present application;
fig. 3 is a schematic structural view of a gear ring according to an embodiment of the present application;
FIG. 4 is a schematic view of a first gear hub according to an embodiment of the present application;
FIG. 5 is a schematic view of a second gear hub according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an elastic element according to an embodiment of the present application.
In the figure: 10-gear ring; 20-a first gear hub; 30-a second gear hub; 40-an elastic element; 101-a first groove; 102-stop block; 201-a first end face; 202-a second end face; 203-a second groove; 301-a third end face; 302-a fourth end face; 303-a third groove; 401-bottom; 402-top; 2011-a concave ring structure; 2012-a first via; 3011-projecting ring structure; 3012-a second via; 304-threads.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
The terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present application can be understood by those of ordinary skill in the art in a specific case.
The present embodiment provides a toothed wheel, please refer to fig. 1 to 6. Fig. 1 is a schematic structural diagram of a toothed rail wheel according to an embodiment of the present application; fig. 2 is a schematic diagram of an internal structure of a toothed rail wheel according to an embodiment of the present application; fig. 3 is a schematic structural view of a ring gear 10 according to an embodiment of the present application; fig. 4 is a schematic structural view of a first gear hub 20 according to an embodiment of the present application; fig. 5 is a schematic structural view of a second gear hub 30 according to an embodiment of the present application; fig. 6 is a schematic structural diagram of an elastic element 40 according to an embodiment of the present application.
As shown in fig. 1 to 5, the present embodiment provides a rack gear including: the ring gear 10, the first and second hubs 20 and 30 and the elastic member 40. Wherein, the outer ring of the gear ring 10 is provided with teeth for meshing with the toothed rail, and the inner ring of the gear ring 10 is provided with a first groove 101 and a stop block 102 at intervals along the circumferential direction; the first gear hub 20 and the second gear hub 30 are fixedly connected to form an integral gear hub, and the integral gear hub is in small clearance fit with the inner ring of the gear ring 10, so that relative displacement between the gear ring 10 and the first gear hub 20 and the second gear hub 30 can be ensured in a certain range. The elastic member 40 and the stopper 102 are located between the first gear hub 20 and the second gear hub 30, and are restrained by the first gear hub 20 and the second gear hub 30.
Specifically, the first gear hub 20 includes a first end surface 201 and a second end surface 202 that are disposed along an axial direction, the first end surface 201 is located inside an inner ring of the ring gear 10, and second grooves 203 that are in one-to-one correspondence with the first grooves 101 are provided on an edge of the first end surface 201 at intervals along a circumferential direction. The second gear hub 30 comprises a third end face 301 and a fourth end face 302 which are arranged along the axial direction, the third end face 301 is located on the inner side of the inner ring of the gear ring 10, and third grooves 303 which are in one-to-one correspondence with the first grooves 101 are formed in the edge of the third end face 301 at intervals along the circumferential direction.
The elastic element 40 is located in the mounting cavity enclosed by the first groove 101, the second groove 203 and the third groove 303, and the elastic element 40 is in a pre-compressed state in an initial state. The resilient element 40 comprises a bottom 401 and an arc-shaped top 402, the bottom 401 of the resilient element 40 being arranged in the first recess 101 and the arc-shaped top 402 of the resilient element 40 being arranged in the second recess 203 and the third recess 303. The toothed rail wheel during rotation causes the elastic element 40 located in the toothed ring 10 to be further compressed, which allows for an adaptive adjustment of the relative displacement between the toothed ring 10 and the first and second hubs 20, 30, compensating for pitch errors in the meshing of the toothed rail and the toothed rail wheel.
In the meshing process of the toothed rail wheel and the toothed rail track, if a gap caused by pitch error exists, the elastic element positioned in the gear ring is further compressed or relaxed in the rotating process of the toothed rail wheel, and the changing distance of the elastic element is equal to the gap caused by the pitch error; then the toothed rail wheel transmits torque through the cooperation of the first toothed hub and the second toothed hub in the process of continuing to rotate, so that the wheel is driven to rotate, namely the toothed rail wheel walks by a distance of pitch error in advance or after lagging, then the toothed rail wheel is completely meshed with the toothed rail track to travel, and the pitch error is continuously compensated in the travelling process, so that the pitch error is eliminated; the toothed rail wheel provided by the embodiment of the application adopts the elastic element to balance the pitch error in the meshing of the toothed rail and the toothed rail wheel, and adopts the first toothed hub and the second toothed hub to transmit torque, so that the running is smoother, the abrasion of the toothed rail and the toothed rail wheel can be effectively reduced, and the noise is reduced.
Alternatively, as shown in fig. 1 to 3, a plurality of first grooves 101 and a plurality of stopper blocks 102 are provided at intermediate positions on the inner ring surface of the ring gear 10, the first grooves 101 and the stopper blocks 102 being provided at intervals; the elastic element 40 is arranged in the first recess 101. The stop block 102 defines the mating mounting locations of the first gear hub 20 and the second gear hub 30. The elastic member 40 is vertically disposed in the first groove 101. The length of the first groove 101 is equal to the sum of the lengths of the second groove 203 and the third groove 303 in the axial direction along the ring gear 10.
In an alternative embodiment, at the end surface where the first gear hub 20 and the second gear hub 30 are fixedly connected, the first end surface 201 is provided with an inward concave annular structure 2011, the third end surface 301 is provided with a convex annular structure 3011, and the size of the inward concave annular structure 2011 in the axial direction is smaller than the size of the convex annular structure 3011 in the axial direction. The stop block 102 is located in the space enclosed by the first end face 201 and the third end face 301 and the partially protruding annular ring structure 3011.
Specifically, in the axial direction of the ring gear 10, the sum of the size (thickness) of the stopper block 102 and the size of the concave annular structure 2011 is slightly smaller than the size of the convex annular structure 3011, so that a first preset gap is left between the first and third end faces 201 and 301 and the stopper block 102. The first preset gap may be selectively set according to actual needs, and the embodiment is not specifically limited.
Further, the concave ring structure 2011 is matched with the convex ring structure 3011, screw thread 304 holes are formed in the concave ring structure 2011 and the convex ring structure 3011, and the first gear hub 20 and the second gear hub 30 are fixedly mounted between the concave ring structure 2011 and the convex ring structure 3011 through the matching of the screw bolts and the screw thread 304 holes.
In an alternative embodiment, the first end face 201 and the third end face 301 are two end faces interconnected with the inner side of the ring gear 10, and the outer diameters of the first end face 201 and the third end face 301 are smaller than the inner diameter of the ring gear 10, so that the first gear hub 20 and the second gear hub 30 are in small clearance fit with the inner ring of the ring gear 10, i.e. a second preset clearance is left between the circumferential surfaces of the first end face 201 and the third end face 301 and the inner ring of the ring gear 10. The second preset gap may be selectively set according to actual needs, and the embodiment is not specifically limited.
Further, the outer diameters of the second end surface 202 and the fourth end surface 302 are also smaller than the inner diameter of the gear ring 10, so that the weight of the first gear hub 20 and the second gear hub 30 is reduced, and the rotation of the gear rail is facilitated.
Alternatively, as shown in fig. 4, the first gear hub 20 includes a first end surface 201 and a second end surface 202, the first end surface 201 having an outer diameter dimension slightly smaller than the inner ring dimension of the ring gear 10, and the first end surface 201 being fitted inside the inner ring of the ring gear 10.
A plurality of second grooves 203 are arranged on the edge of the first end face 201 at intervals along the circumferential direction, and the second grooves 203 and the first grooves 101 are equal in number and correspond to the first grooves 101 one by one. A plurality of through holes are provided in the circumferential direction in the inner ring of the first end face 201. The pitch between adjacent second grooves 203 is the same as the pitch between adjacent first grooves 101. The partial structure of the first gear hub 20 is located inside the inner ring of the gear ring 10, and there is a small clearance fit between the first gear hub 20 and the inner ring of the gear ring 10, and between the second groove 203 and the elastic member 40. The small clearance fit between the second groove 203 and the elastic element 40 not only provides a deformation space for the elastic element 40 to deform, but also provides a fault tolerance space for errors between the elastic elements 40.
Alternatively, as shown in fig. 5, the second gear hub 30 includes a third end surface 301 and a fourth end surface 302, the third end surface 301 having an outer diameter dimension slightly smaller than the inner ring dimension of the ring gear 10, and the third end surface 301 being fittingly mounted inside the inner ring of the ring gear 10. A plurality of threads 304 are also provided on the fourth end face 302, the threads 304 protruding along the arc of the fourth end face 302, the threads 304 being used for mating installation of other structural components.
A plurality of third grooves 303 are arranged on the edge of the third end face 301 at intervals along the circumferential direction, and the third grooves 303 and the first grooves 101 are equal in number and correspond to the first grooves 101 one by one. A plurality of through holes are circumferentially arranged on the inner ring of the third end face 301. The pitch between the adjacent third grooves 303 is the same as the pitch between the adjacent first grooves 101. The second gear hub 30 is partially disposed inside the inner ring of the ring gear 10, and there is a small clearance fit between the second gear hub 30 and the inner ring of the ring gear 30, and between the third groove 303 and the elastic member 40. The small clearance fit between the third groove 303 and the elastic element 40 not only provides a deformation space for the elastic element 40 to deform, but also provides a fault tolerance space for errors between the elastic elements 40.
Alternatively, the first end face 201 of the first gear hub 20 and the third end face 301 of the second gear hub 30 are butted against each other and are both located inside the inner ring of the ring gear 10. The first groove 101, the second groove 203, and the third groove 303 are aligned. Stop blocks 102 on the ring gear 10 serve to define the circumferential assembly position of the first gear hub 20 and the second gear hub 30 within the ring gear 10. The first gear hub 20 and the second gear hub 30 are fixedly connected through fasteners and are in small clearance fit with the inner ring of the gear ring 10, the first gear hub 20 and the second gear hub 30 are mounted in a matched mode through elastic elements 40, after the first gear hub 20 and the second gear hub 30 are mounted, the first groove 101, the second groove 203 and the third groove 303 are surrounded to form an independent cavity, and the elastic elements 40 are located in the independent cavity.
The center of the first end face 201 is provided with an inward concave ring structure 2011, and the corresponding position of the third end face 301 is provided with a convex ring structure 3011; the stop block 102 defines an assembled position of the first end face 201 and the third end face 301 in the ring gear 10, and the concave annular structure 2011 and the convex annular structure 3011 are cooperatively mounted. Wherein, the concave ring structure 2011 is provided with a plurality of first through holes 2012 along the circumferential direction at intervals, and the convex ring structure 3011 is provided with second through holes 3012 corresponding to the first through holes 2012 along the circumferential direction at intervals; the first through hole 2012 and the second through hole 3012 are aligned and fixedly connected by a fixing member.
Specifically, the first gear hub 20 and the second gear hub 30 are mounted inside the inner ring of the ring gear 10, and a certain gap (first preset gap) also exists between the first end face 201 and/or the third end face 301 and the stopper 102. The second groove 203 and the third groove 303 are in one-to-one correspondence, and the concave annular structure 2011 located on the first end surface 201 and the convex annular structure 3011 located on the second end surface 202 are also correspondingly fit. The first through hole 2012 and the second through hole 3012 are aligned and fixedly connected by a fixing structure, including but not limited to a bolt.
Alternatively, as shown in fig. 6, the elastic element 40 is a U-shaped spring or another elastic body such as an Ω -shaped spring, and the bottom 401 of the elastic element 40 is two separated supporting legs. The thickness of the resilient member 40 at the two support legs is greater than the thickness of the arcuate top 402. The bottom 401 of the resilient element 40 is arranged in the first recess 101 and the curved top 402 of the resilient element 40 is arranged in a separate cavity enclosed by the first gear hub 20 and the second gear hub 30.
Specifically, as shown in fig. 6, an omega-shaped spring is exemplified in the present embodiment. The omega spring has a regular bottom 401 and an arcuate top 402. The width of the regular bottom 401 is the same as the width of the first groove 101, and the bottom 401 is vertically disposed in the first groove 101. The arcuate top 402 is then embedded in the cavity enclosed by the second 203 and third 303 grooves. The arrangement mode can enable the stress of the gear rail wheel to be more uniform in the running process.
The embodiment of the application also provides a bogie, which comprises a framework and the toothed rail wheel, which is arranged on the framework, according to the embodiment. The gear rail structure will not be described in detail.
The bogie provided by the application comprises the toothed rail wheel in the embodiment, and if a gap caused by pitch error exists in the process of meshing the toothed rail wheel with the toothed rail track, the toothed rail wheel further compresses or eases an elastic element positioned in a gear ring in the rotating process, and the changing distance of the elastic element is equal to the gap caused by the pitch error; then the toothed rail wheel transmits torque through the cooperation of the first toothed hub and the second toothed hub in the process of continuing to rotate, so that the wheel is driven to rotate, namely the toothed rail wheel walks by a distance of pitch error in advance or after lagging, then the toothed rail wheel is completely meshed with the toothed rail track to travel, and the pitch error is continuously compensated in the travelling process, so that the pitch error is eliminated; the toothed rail wheel provided by the embodiment of the application adopts the elastic element to balance the pitch error in the meshing of the toothed rail and the toothed rail wheel, and adopts the first toothed hub and the second toothed hub to transmit torque, so that the running is smoother, the abrasion of the toothed rail and the toothed rail wheel can be effectively reduced, and the noise is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (9)
1. A toothed rail wheel, comprising:
a gear ring, a first gear hub, a second gear hub, and an elastic member; the outer ring of the gear ring is provided with teeth for meshing with the toothed rail, and the inner ring of the gear ring is provided with a plurality of first grooves and a plurality of stop blocks at intervals along the circumferential direction; the first gear hub and the second gear hub are connected with each other and are in small clearance fit with the inner ring of the gear ring, and the elastic element and the stop block are positioned between the first gear hub and the second gear hub;
the first gear hub comprises a first end face and a second end face, the first end face is positioned on the inner side of the inner ring of the gear ring, and second grooves are formed in the edge of the first end face at intervals along the circumferential direction; the second gear hub comprises a third end face and a fourth end face, the third end face is positioned on the inner side of the inner ring of the gear ring, and third grooves are formed in the edge of the third end face at intervals along the circumferential direction; the second grooves and the third grooves are in one-to-one correspondence with the first grooves;
the elastic element is positioned in a mounting cavity surrounded by the first groove, the second groove and the third groove and is in a precompressed state; the elastic element comprises a bottom and an arc-shaped top, the bottom of the elastic element is arranged in the first groove, and the arc-shaped top of the elastic element is arranged in the second groove and the third groove;
the gear rail wheel enables the elastic element positioned in the gear ring to be further compressed during rotation, and is used for adaptively adjusting the relative displacement of the gear ring and the first gear hub and the second gear hub;
the elastic element is a U-shaped spring or an omega-shaped spring, the bottom of the elastic element is provided with two separated supporting legs, and the two separated supporting legs are arranged in the first groove.
2. The toothed rail wheel of claim 1, wherein the length of the first groove is equal to the sum of the lengths of the second groove and the third groove in the axial direction of the ring gear.
3. The toothed rail wheel of claim 1, wherein the first end face is provided with a concave annular ring structure and the third end face is provided with a convex annular ring structure, and the dimension of the concave annular ring structure in the axial direction is smaller than the dimension of the convex annular ring structure in the axial direction;
the stop block is positioned in a space surrounded by the first end face, the third end face and part of the protruding circular ring structure.
4. A toothed rail wheel as claimed in claim 3, characterized in that the sum of the axial dimension of the stop block and the axial dimension of the concave ring structure is smaller than the axial dimension of the convex ring structure in the axial direction of the toothed ring, so that a first preset gap is left between the first end face and/or the third end face and the stop block.
5. The toothed rail wheel of claim 4, wherein said concave annular structure and said convex annular structure are mated, and said concave annular structure and said convex annular structure are each provided with threaded holes, said first and second hubs being fixedly mounted at said concave annular structure and said convex annular structure by mating bolts and threaded holes.
6. The toothed rail wheel of claim 1, wherein the outer diameters of the first and third end faces are each smaller than the inner diameter of the ring gear, a second predetermined gap being left between the circumferential surfaces of the first and third end faces and the inner ring of the ring gear;
the outer diameters of the second end face and the fourth end face are smaller than the inner diameter of the gear ring.
7. The toothed rail wheel of claim 1, wherein the second groove is in small clearance fit with the resilient element in the axial direction of the ring gear, and the third groove is in small clearance fit with the resilient element in the axial direction of the ring gear.
8. The toothed rail wheel of claim 1, wherein the thickness at the support foot is greater than the thickness of the arcuate top.
9. Bogie characterized by comprising a frame and a toothed rail wheel according to any of claims 1-8, said toothed rail wheel being arranged on said frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106647.7A CN114312128B (en) | 2022-01-28 | 2022-01-28 | Gear rail wheel and bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210106647.7A CN114312128B (en) | 2022-01-28 | 2022-01-28 | Gear rail wheel and bogie |
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| Publication Number | Publication Date |
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| CN114312128A CN114312128A (en) | 2022-04-12 |
| CN114312128B true CN114312128B (en) | 2023-10-27 |
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| CN202210106647.7A Active CN114312128B (en) | 2022-01-28 | 2022-01-28 | Gear rail wheel and bogie |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023206989A1 (en) * | 2022-04-29 | 2023-11-02 | 中车青岛四方机车车辆股份有限公司 | Bogie, vehicle body, and rack vehicle |
| CN117943503A (en) * | 2024-03-27 | 2024-04-30 | 河北万丰冶金备件有限公司 | Toothed rail wheel mold and toothed rail wheel forming method |
Citations (7)
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| Publication number | Publication date |
|---|---|
| CN114312128A (en) | 2022-04-12 |
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