CN211032578U - Rubber elastic side bearing of heavy-duty train for large-tonnage narrow-gauge tunnel engineering - Google Patents
Rubber elastic side bearing of heavy-duty train for large-tonnage narrow-gauge tunnel engineering Download PDFInfo
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- CN211032578U CN211032578U CN201921777233.7U CN201921777233U CN211032578U CN 211032578 U CN211032578 U CN 211032578U CN 201921777233 U CN201921777233 U CN 201921777233U CN 211032578 U CN211032578 U CN 211032578U
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Abstract
The rubber elastic side bearing comprises a side bearing mounting base and a central support frame, wherein the bottom end of the side bearing mounting base is a bottom plate provided with a mounting hole, the upper end of the side bearing mounting base is a circular ring with a conical surface as the inner wall, the central support frame comprises a cone at the lower end, a sinking platform at the upper end and a cylinder at the middle part, a friction plate is arranged in the sinking platform, vulcanized rubber is coated on the outer ring and the bottom surface of the cone of the central support frame, and the cone coated with the vulcanized rubber is mounted in the circular ring of the side bearing mounting base. The utility model discloses simple structure, low cost, processing technology nature is good, and it is big to bear the load, and long service life is convenient for adjust and maintain.
Description
Technical Field
The utility model relates to a large-tonnage tunnel engineering vehicle, concretely relates to large-tonnage narrow gauge tunnel engineering heavy load train rubber elasticity side bearing.
Background
In recent years, with the regulation and control of the country on urban traffic development, the development of tunnel engineering vehicles expands with the development of cities, the urban traffic pressure is increased, subways become main vehicles of large and medium-sized cities, and the demand of tunnel construction narrow-gauge engineering vehicles is increased; the large shield machine is put into production, the matching force of the traditional small-tonnage tunnel engineering vehicle is insufficient, the 55-70-ton narrow-gauge tunnel engineering vehicle becomes a main transport vehicle type for subway construction, and the rubber spring side bearing is used as a secondary suspension of a suspension device of the locomotive to weaken and isolate high-frequency vibration transmitted to the upper part of the vehicle body by a wheel pair.
The existing rubber elastic side bearing is mainly of a multi-layer structure of a rubber pile, is limited in bearing capacity, and is relatively complex in structure and relatively high in cost.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art not enough, provide a simple structure, with low costs, long service life's large-tonnage narrow gauge tunnel engineering heavy haul train rubber elasticity side bearing.
The technical proposal adopted by the utility model for solving the technical problems is that the rubber elastic side bearing of the heavy-duty train in the large-tonnage narrow-gauge tunnel engineering comprises a side bearing mounting base and a central support frame, wherein the bottom end of the side bearing mounting base is a bottom plate provided with a mounting hole, the upper end is a circular ring with a conical inner wall,
the center support frame comprises a cone at the lower end, a sinking platform at the upper end and a cylinder at the middle part, a friction plate is arranged in the sinking platform, vulcanized rubber is coated on the outer ring and the bottom surface of the cone of the center support frame, and the cone coated with the vulcanized rubber is arranged in a circular ring of the side bearing mounting base.
Furthermore, the side bearing mounting base is made of rigid materials and is fixed on a bogie of the heavy-duty train of the large-tonnage narrow-gauge tunnel engineering through mounting holes on the periphery of the bottom plate.
Further, the central support frame is made of rigid materials.
Furthermore, a through hole is formed in the center of the bottom plate of the side bearing mounting base, a blind hole is formed in the center of the bottom of the cone of the central support frame and matched with the through hole in the bottom plate of the side bearing mounting base, and therefore the height of the device can be conveniently adjusted.
The utility model discloses simple structure, low cost, processing technology nature is good, and it is big to bear the load, and long service life is convenient for adjust and maintain.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the center support and vulcanized rubber of the embodiment of FIG. 1 after curing;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the side bearing mounting base of the embodiment of FIG. 1;
fig. 5 is a schematic three-dimensional structure diagram of the cardiac support frame in the embodiment of fig. 1.
In the figure: 1-side bearing installation base, 11-bottom plate, 111-installation hole, 112-through hole, 12-circular ring, 2-central support frame, 21-cone, 211-blind hole, 22-sinking platform, 23-cylinder, 3-vulcanized rubber and 4-friction plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to the attached drawings, the embodiment comprises a side bearing mounting base 1 and a central support frame 2, wherein the bottom end of the side bearing mounting base 1 is a bottom plate 11 provided with a mounting hole 111, the upper end of the side bearing mounting base is a circular ring 12 of which the inner wall is a conical surface, the central support frame 2 comprises a cone 21 at the lower end, a sinking platform 22 at the upper end and a cylinder 23 at the middle part, a friction plate 4 is arranged in the sinking platform 22, vulcanized rubber 3 is coated on the outer ring 21 and the bottom surface of the cone of the central support frame 2, and the cone 21 coated with the vulcanized rubber 3 is mounted in the circular ring 12 of the side.
The side bearing mounting base 1 is made of rigid materials, 4 mounting holes 111 on the periphery of the bottom plate are used for mounting bolts, the side bearing mounting base 1 is fixed on a bogie of a heavy-duty train of the large-tonnage narrow-gauge tunnel engineering, and the mounting height of the side bearing mounting base is adjusted through adding and subtracting gaskets.
The central support frame 2 is made of rigid materials, the outer ring of the cone of the central support frame 2 is coated with vulcanized rubber 3 and then integrally cured into an elastomer, and the cured elastomer is loaded into the side bearing mounting base to form the rubber elastic side bearing. The central support frame and the rubber are bonded together after vulcanization, and the combined spring has certain bonding strength; the vulcanized rubber 3 has a conical surface in its outer shape, engages with the conical surface of the side bearing mounting base 1, and has elasticity in a plurality of directions.
The rubber elastic side bearing has the elastic supporting function in the vertical direction, can weaken the vibration of the locomotive in the running process, and has better isolation and absorption for high-frequency vibration. In the horizontal plane, when the vehicle body and the bogie move and rotate transversely, the rubber elastic side bearing can generate restoring force, so that the vibration of the vehicle body and the bogie is convenient to control.
The center of the bottom plate 11 of the side bearing mounting base 1 is provided with a through hole 112, the center of the bottom surface of the cone 21 of the central support frame 2 is provided with a blind hole 211 which is matched with the through hole of the bottom plate 11 of the side bearing mounting base 1, so that the height of the device can be conveniently adjusted.
Dynamic load and static load on the upper part of the locomotive body are transmitted to the framework through the rubber elastic side bearing and then are uniformly distributed to the axle through the axle box spring, and the axle weight of the locomotive can be uniformly distributed through the rubber elastic side bearing, so that the performance of the locomotive is improved.
Its working height is adjusted when the loading to rubber elasticity side bearing, guarantees that the up end difference in height of a plurality of rubber elasticity side bearings is not more than 2mm, adjusts through the mounting hole plus-minus gasket of side bearing mount pad bottom, and size control is accurate, convenient operation, and is safe in utilization.
The utility model discloses a tunnel construction narrow gauge large-tonnage traction engine uses, and rubber elasticity side bearing simple structure, low cost, processing technology nature is good, and it is big to bear the load, and long service life is convenient for adjust and maintain.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (4)
1. Large-tonnage narrow gauge tunnel engineering heavy load train rubber elasticity side bearing, its characterized in that: comprises a side bearing mounting base and a central supporting frame, wherein the bottom end of the side bearing mounting base is a bottom plate provided with a mounting hole, the upper end of the side bearing mounting base is a circular ring with a conical surface on the inner wall,
the center support frame comprises a cone at the lower end, a sinking platform at the upper end and a cylinder at the middle part, a friction plate is arranged in the sinking platform, vulcanized rubber is coated on the outer ring and the bottom surface of the cone of the center support frame, and the cone coated with the vulcanized rubber is arranged in a circular ring of the side bearing mounting base.
2. The large-tonnage narrow-gauge tunnel engineering heavy-duty train rubber elastic side bearing of claim 1, characterized in that: the side bearing mounting base is made of rigid materials and is fixed on a bogie of the heavy-duty train of the large-tonnage narrow-gauge tunnel engineering through mounting holes on the periphery of the bottom plate.
3. The large-tonnage narrow-gauge tunnel engineering heavy-duty train rubber elastic side bearing according to claim 1 or 2, characterized in that: the central support frame is made of rigid materials.
4. The large-tonnage narrow-gauge tunnel engineering heavy-duty train rubber elastic side bearing according to claim 1 or 2, characterized in that: the center of the bottom plate of the side bearing mounting base is provided with a through hole, the center of the bottom of the cone of the central supporting frame is provided with a blind hole, and the blind hole is matched with the through hole of the bottom plate of the side bearing mounting base, so that the height of the device can be conveniently adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777233.7U CN211032578U (en) | 2019-10-22 | 2019-10-22 | Rubber elastic side bearing of heavy-duty train for large-tonnage narrow-gauge tunnel engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777233.7U CN211032578U (en) | 2019-10-22 | 2019-10-22 | Rubber elastic side bearing of heavy-duty train for large-tonnage narrow-gauge tunnel engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211032578U true CN211032578U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921777233.7U Active CN211032578U (en) | 2019-10-22 | 2019-10-22 | Rubber elastic side bearing of heavy-duty train for large-tonnage narrow-gauge tunnel engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211032578U (en) |
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2019
- 2019-10-22 CN CN201921777233.7U patent/CN211032578U/en active Active
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