CN218197729U - Rail wheel and rail locomotive - Google Patents
Rail wheel and rail locomotive Download PDFInfo
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- CN218197729U CN218197729U CN202222554469.2U CN202222554469U CN218197729U CN 218197729 U CN218197729 U CN 218197729U CN 202222554469 U CN202222554469 U CN 202222554469U CN 218197729 U CN218197729 U CN 218197729U
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- wheel
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- mounting groove
- tread
- wear
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Abstract
The utility model relates to a rail wheel and rail locomotive, rail wheel include the wheel rim, the wheel tread of its and track contact is regarded as to the outer circumference of wheel rim, set up the mounting groove on the wheel tread, the embedding has been laid to the top of wheel tread the wearing layer of mounting groove, and the thickness of the inside wearing layer of embedding mounting groove is unequal, the utility model discloses processing the mounting groove on the structure basis of traditional wheel rim, compound the wearing layer to the wheel rim on, improve rail wheel and orbital adhesive force through the wearing layer to improve rail locomotive tractive ability, realize rail locomotive lightweight under the equal tractive ability condition.
Description
Technical Field
The utility model belongs to the technical field of the track traffic, specifically speaking relates to a rail wheel and rail locomotive.
Background
The rail locomotive is a passenger and freight train traction unit and is key equipment for determining the railway transportation capacity and efficiency and the safe and efficient operation of the train. The wheels play a role in transmitting traction force and are one of key parts of the rail locomotive.
The wheel is divided into an integral wheel and a combined wheel according to the structure, the combined wheel is formed by assembling a wheel rim and a central part in an interference manner, the fatigue crack of the wheel rim is promoted to expand by the pressure stress state always existing on the wheel rim, and the safety aspect of the wheel rim has inherent defects. The pressure stress state of the whole wheel after heat treatment inhibits the fatigue crack propagation, and has obvious advantages in the aspect of safety, but the whole wheel needs to be replaced when the wheel is worn, and the cost is higher. Meanwhile, the adhesion between the whole wheel and the rail is too small, so that phenomena of slipping, serious abrasion and the like easily occur, the weight of the locomotive needs to be greatly improved to obtain higher adhesion, the cost and the loss of a line are correspondingly increased due to excessive self weight, and the difficulty in building a counterweight of the locomotive is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a rail wheel and a rail locomotive are proposed.
In order to achieve the above purpose, the utility model provides a following technical scheme:
in a first aspect, the utility model provides a rail wheel, including the wheel rim, the wheel tread of its and track contact is regarded as to the outer circumference of wheel rim, set up the mounting groove on the wheel tread, the embedding has been laid to the top of wheel tread the wearing layer of mounting groove, and the thickness of the inside wearing layer of embedding mounting groove varies.
Through adopting foretell technical scheme, compound the wearing layer to the top of wheel rim, simultaneously, improve the adhesive force of rail wheel and track through the wearing layer to improve rail locomotive tractive ability, reduce the rail locomotive and build the counter weight degree of difficulty.
Further, the surface of the track in contact with the wheel tread is used as a track tread, and the width of the wear-resistant layer is not smaller than that of the track tread.
Further, the mounting grooves are continuously and uniformly distributed along the wheel rim.
Preferably, the mounting grooves are continuously and uniformly distributed along the circumferential direction or the radial direction of the wheel rim.
Further, the mounting grooves are arranged along the wheel rim in an area shape.
Preferably, the mounting grooves may be arranged in a region shape along the circumferential direction or the radial direction of the wheel rim, that is, non-continuously arranged.
Furthermore, the mounting groove is one or a combination of a plurality of concave holes, concave frames and grooves.
Further, the longitudinal section of the mounting groove is one or a combination of several of rectangle, trapezoid, semicircle and V-shaped.
Further, when the mounting groove is a groove, the groove is linear or wavy along the wheel rim.
Further, when the mounting grooves are provided in plurality, the depth sequence of the mounting grooves changes or the mounting grooves vary, wherein the number of the mounting grooves is an integer not less than 2.
Through adopting foretell technical scheme, a plurality of mounting grooves help improving the gomphosis degree of wearing layer and wheel tyre, avoid the wearing layer to drop from the wheel tread. Simultaneously, the degree of depth of a plurality of mounting grooves varies, helps further improving the gomphosis degree of wearing layer and wheel rim.
Further, when the mounting groove is provided with 1, the bottom surface of the mounting groove is a non-horizontal surface.
Through adopting foretell technical scheme, the degree of depth everywhere of mounting groove varies, helps further improving the gomphosis degree of wearing layer and wheel tread.
In a second aspect, the present invention provides a rail vehicle, which includes a vehicle body and the rail vehicle wheel.
The utility model has the advantages that:
1. processing out the mounting groove on the structure basis of traditional wheel tyre, on compounding the wheel tyre with the wearing layer, improve track wheel and orbital adhesive force through the wearing layer to improve rail locomotive tractive ability, reduce rail locomotive and build the counter weight degree of difficulty, realize rail locomotive lightweight under the equal tractive ability condition.
2. The thickness of the wear-resistant layer embedded into the mounting groove is different, and the embedding degree of the wear-resistant layer and the wheel rim is further improved.
3. The wearing layer and track direct contact, when wearing and tearing appear, only need peel off change wearing layer can, reduced wheel rim replacement cost.
4. The wear-resistant layer reduces contact impact on the rail and reduces abrasion on the rail.
Drawings
FIG. 1 is a block diagram of a railway wheel according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a partial schematic view of FIG. 3 at B;
FIG. 5 is a block diagram of a wheel band according to an embodiment of the present invention;
fig. 6 is a structural diagram of the wear-resistant layer in the embodiment of the present invention.
In the drawings: 1-wheel rim, 2-wear layer, 3-wheel rim and 4-mounting groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, in combination with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without making creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. mentioned in the following embodiments are directions with reference to the drawings only, and thus, the directional terms used are intended to illustrate rather than limit the inventive concept.
The present invention will be further described with reference to the accompanying drawings and preferred embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 6, a rail wheel comprises a wheel rim 1, the outer circumference of the wheel rim 1 is used as a wheel tread surface which is contacted with a rail, a mounting groove 4 is arranged on the wheel tread surface, a wear-resistant layer 2 embedded in the mounting groove 4 is laid above the wheel tread surface, and the thickness of the wear-resistant layer 2 embedded in the mounting groove is different.
Through adopting foretell technical scheme, compound wearing layer 2 to the top of wheel tyre 1, simultaneously, improve the adhesive force of track wheel and track through wearing layer 2 to improve track locomotive traction capacity, reduce the track locomotive and build the counter weight degree of difficulty.
Optionally, the surface of the rail, which is in contact with the wheel tread, serves as a rail tread, and the width of the wear-resistant layer 2 is not less than that of the rail tread.
Specifically, the width of the wear-resistant layer 2 is more than or equal to the width of the tread of the track, so that the tread of the wheel is prevented from being worn by the tread of the track.
Optionally, the mounting grooves 4 are continuously and uniformly distributed along the wheel rim 1.
Specifically, the mounting groove 4 can be along the continuous equipartition of circumference of wheel rim 1, or the mounting groove 4 can be along the radial continuous equipartition of wheel rim 1.
Optionally, the mounting grooves 4 are arranged along the wheel rim 1 in a region shape, that is, discontinuously.
Specifically, the mounting grooves 4 may be arranged in an area along the circumferential direction of the wheel rim 1, or the mounting grooves 4 may be arranged in an area along the radial direction of the wheel rim 1.
Specifically, the wheel tread is divided into a plurality of regions along the circumferential direction, a mounting groove 4 is formed in a certain region, and the mounting groove 4 is not formed in a region adjacent to the certain region, so that regional arrangement of the mounting groove 4 is realized.
Optionally, the mounting groove 4 is one or a combination of several of a concave hole, a concave frame and a groove. Correspondingly, the shape of the wear-resistant layer 2 embedded in the mounting groove 4 is matched with the shape of the mounting groove 4.
Optionally, the longitudinal section of the mounting groove 4 is one or a combination of several of rectangle, trapezoid, semicircle and V shape.
Optionally, when the mounting groove 4 is a groove, the groove is linear or wavy along the tread of the wheel.
Optionally, when the plurality of mounting grooves 4 are provided, the depth of the plurality of mounting grooves 4 changes sequentially or varies, wherein the number of the mounting grooves 4 is an integer not less than 2.
Specifically, when a plurality of mounting grooves 4 are provided, the depth of the mounting grooves 4 increases or decreases in sequence along the direction from the inner side to the outer side of the tread surface of the wheel. Or, the mounting grooves 4 are arranged alternately in depth along the direction from the inner side to the outer side of the wheel tread.
Through adopting foretell technical scheme, a plurality of mounting grooves 4 help improving wearing layer 2 and the degree of embedding of wheel tyre 1, avoid wearing layer 2 to drop from the wheel tread. Meanwhile, the depths of the mounting grooves 4 are different, and the embedding degree of the wear-resistant layer 2 and the wheel rim 1 is further improved.
Optionally, when 1 mounting groove 4 is provided, the bottom surface of the mounting groove 4 is a non-horizontal surface.
Specifically, when 1 mounting groove 4 is provided, the bottom surface of the mounting groove 4 is an inclined surface or a wavy surface.
Through adopting foretell technical scheme, the degree of depth of mounting groove 4 each department varies, helps further improving the embedding degree of wearing layer 2 and wheel tyre 1.
Optionally, the wear-resistant layer 2 is of an integral structure, and the bottom of the wear-resistant layer is embedded into the mounting groove 4. The wear-resistant layer 2 is made of hard vulcanized synthetic rubber with high adhesion coefficient, and the wear-resistant layer 2 is compounded on the wheel tread through a vulcanization process. Or, the wear-resistant layer 2 is a composite adhesive layer added with a nano material. Meanwhile, patterns can be arranged on the surface of the wear-resistant layer 2, which is in contact with the rail tread, so that the adhesive force between the wear-resistant layer 2 and the rail tread is further increased.
Optionally, a rim 3 is arranged on the outer side of the wheel rim 1, and the rim 3 and the wheel rim 1 form a complete rail wheel.
A rail locomotive comprises a vehicle body and the rail wheel.
The second embodiment:
as shown in fig. 5, the same parts of this embodiment as those of the first embodiment are not repeated, except that:
along the radial of wheel tread, 4 parallel and the spaced 4 that are equipped with of mounting groove, simultaneously, the mounting groove is trapezoidal recess, and trapezoidal recess is along the whole circumference of the continuous equipartition in circumference of wheel tyre 1. In practical application, the number of the mounting grooves 4 can be adjusted according to the width of the wheel tread.
Under the condition that mounting groove 4 interval was arranged, if the thickness of wearing layer 2 equals the degree of depth of mounting groove 4, still there is the possibility of track tread wearing wheel tread, therefore, in this embodiment, the thickness of wearing layer 2 is greater than the degree of depth of mounting groove 4 (the thickness of wearing layer 2 is greater than the degree of depth of trapezoidal recess), and wearing layer 2 protrusion mounting groove 4 avoids track tread wearing wheel tread promptly.
In addition, along the outside of wheel tread to its inboard direction, the degree of depth of trapezoidal recess increases in proper order, the outside of wheel tread is for keeping away from one side of rail locomotive automobile body axis to match wheel tread atress trend. Correspondingly, the thickness of the wear-resistant layer 2 embedded in the trapezoidal groove is also changed, namely the thickness of the wear-resistant layer 2 embedded in the trapezoidal groove is different.
Example three:
parts of this embodiment that are the same as the embodiment are not described again, except that:
will the circumference of wheel tread divides into 4 regions, and wherein, 2 regions set up trapezoidal recess, and 2 regions do not set up trapezoidal recess (do not set up the mounting groove), and simultaneously, trapezoidal recess sets up along the circumference of wheel tread, trapezoidal recess promptly along wheel tyre 1 is regional form and arranges.
Example four:
parts of this embodiment that are the same as those of the first embodiment are not described again, except that:
along the radial of wheel tread, mounting groove 4 is equipped with 1, simultaneously, the mounting groove is semicircular recess, and semicircular recess is along the continuous equipartition whole circumference in circumference of wheel tyre 1.
Under the condition that the width of the wear-resistant layer 2 is larger than that of the tread of the track, the thickness of the wear-resistant layer 2 is equal to the depth of the semicircular groove, or the thickness of the wear-resistant layer 2 is larger than that of the semicircular groove, and the tread of the wheel can be prevented from being worn by the tread of the track.
Optionally, the bottom surface of the semicircular groove is an inclined surface, and the depths of the semicircular groove are different, so that the embedding degree of the wear-resistant layer 2 and the wheel rim 1 is further improved.
Specifically, along the direction of the outer side of the wheel tread to the inner side of the wheel tread, the depth of the semicircular grooves is increased in sequence, and the outer side of the wheel tread is one side away from the central axis of the rail locomotive body so as to match the stress trend of the wheel tread. Correspondingly, the thickness of the wear-resistant layer 2 embedded in the semicircular groove is also changed, namely the thickness of the wear-resistant layer 2 embedded in the semicircular groove is different.
Example five:
parts of this embodiment that are the same as those of the first embodiment are not described again, except that:
mounting groove 4 is concave hole, concave hole along the whole circumference of circumference equipartition of wheel tread, simultaneously, concave hole along the wheel tread radially is equipped with 3 rows, and the thickness of wearing layer 2 is greater than the degree of depth in concave hole.
Along the direction from the inner side to the outer side of the wheel tread surface, 3 rows of concave holes are arranged at intervals in depth. Correspondingly, the thickness of the wear-resistant layer 2 embedded in the concave hole is also changed, namely the thickness of the wear-resistant layer 2 embedded in the concave hole is different.
Example five:
the same parts of this embodiment as those of the first embodiment will not be described again, except that:
mounting groove 4 includes concave hole and spill frame, and concave hole and spill frame are all along the circumference equipartition of wheel rim 1, simultaneously, are equipped with 2 rows of concave holes and 2 rows of spill frames along the radial interval of wheel tread, along the inboard direction to its outside of wheel tread, 4 rows of mounting groove 4's degree of depth alternate change.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (9)
1. The rail wheel comprises a wheel rim, wherein the outer circumference of the wheel rim is used as a wheel tread surface which is in contact with a rail, and the rail wheel is characterized in that a mounting groove is formed in the wheel tread surface, a wear-resistant layer embedded into the mounting groove is laid above the wheel tread surface, and the thickness of the wear-resistant layer embedded into the mounting groove is different.
2. The rail wheel according to claim 1, wherein a surface of the rail in contact with the wheel tread is a rail tread, and a width of the wear layer is not smaller than a width of the rail tread.
3. The railway wheel as claimed in claim 1, wherein the mounting slots are evenly distributed continuously along the wheel rim.
4. A railway wheel as claimed in claim 1, wherein the mounting slots are arranged in zones along the wheel rim.
5. The railway wheel as claimed in claim 1, wherein the mounting groove is one or a combination of a concave hole, a concave frame and a groove.
6. The railway wheel as claimed in claim 5, wherein the longitudinal section of the mounting groove is one or more of rectangular, trapezoidal, semicircular and V-shaped.
7. The railway wheel as claimed in any one of claims 1 to 6, wherein when a plurality of the mounting grooves are provided, the depth of the plurality of mounting grooves is sequentially changed or varied.
8. The railway wheel as claimed in any one of claims 1 to 6, wherein the bottom surface of the mounting groove is non-horizontal when there are 1 mounting grooves.
9. A rail vehicle comprising a vehicle body and a rail wheel according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222554469.2U CN218197729U (en) | 2022-09-26 | 2022-09-26 | Rail wheel and rail locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222554469.2U CN218197729U (en) | 2022-09-26 | 2022-09-26 | Rail wheel and rail locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218197729U true CN218197729U (en) | 2023-01-03 |
Family
ID=84638482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222554469.2U Active CN218197729U (en) | 2022-09-26 | 2022-09-26 | Rail wheel and rail locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218197729U (en) |
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2022
- 2022-09-26 CN CN202222554469.2U patent/CN218197729U/en active Active
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