CN210859639U - Backstop rubber shock absorber for train bogie - Google Patents
Backstop rubber shock absorber for train bogie Download PDFInfo
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- CN210859639U CN210859639U CN201921459928.0U CN201921459928U CN210859639U CN 210859639 U CN210859639 U CN 210859639U CN 201921459928 U CN201921459928 U CN 201921459928U CN 210859639 U CN210859639 U CN 210859639U
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Abstract
The utility model relates to a backstop rubber shock absorber for train bogie, including metal upper plate and metal hypoplastron, wherein metal upper plate top surface hot vulcanization bonds and has first rubber layer, be equipped with the metal medium plate between metal upper plate and the metal hypoplastron, metal upper plate lower extreme is equipped with downwardly extending's cyclic annular metal outer skirt, metal medium plate upper end is equipped with the cyclic annular metal outer skirt that upwards extends, metal medium plate lower extreme is equipped with downwardly extending's cyclic annular metal outer skirt, metal hypoplastron upper end is equipped with the cyclic annular metal outer skirt that upwards extends, cyclic annular metal outer skirt one-to-one, the metal upper plate, leave the same interval between the cyclic annular metal outer skirt on metal medium plate and the metal hypoplastron, the metal upper plate, metal medium plate and metal hypoplastron bond through rubber hot vulcanization each other, still a plurality of screw rods of fixedly connected with on the metal. The utility model discloses when blockking the bogie support, can turn into the flexonics with the rigidity contact, when blockking the effect and taking place, the backstop is more stable.
Description
Technical Field
The utility model relates to a shock absorber technical field, concretely relates to backstop rubber shock absorber for train bogie.
Background
Generally, a stop type shock absorber is arranged between a train bogie rotating arm and a bogie bracket, so that the bogie bracket is prevented from continuously sinking during bearing, and the running safety and stability of a train set are ensured. At present, stop type shock absorbers at home and abroad generally have two use states: one is that the rubber surface contacts with the backstop hand piece, and the rigidity is increased in a hyperbolic form along with the increase of the load, so that the vibration damping effect is unstable; the other type is that the metal framework surface is contacted with the stopping opponent part, hard contact is generated along with the increase of load, the rigidity is increased rapidly, the appearance structure of the existing stopping shock absorbers at home and abroad is generally E-shaped, the stopping function is a metal stopping block at two sides or the middle, the contact area between the stopping shock absorber and the metal stopping block is small, and the stopping is unstable.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model aims at providing a train is backstop rubber shock absorber for bogie, this backstop rubber shock absorber can turn into the flexonics with the rigid contact when blockking the bogie support to when blockking that the effect takes place, the backstop is more stable.
In order to solve the problems in the prior art, the utility model provides a backstop rubber shock absorber for a train bogie, which comprises a metal upper plate and a metal lower plate, a first rubber layer is adhered on the top surface of the metal upper plate through thermal vulcanization, a metal middle plate is arranged between the metal upper plate and the metal lower plate, the metal upper plate, the metal middle plate and the metal lower plate are bonded with each other through rubber heat vulcanization, the lower end of the metal upper plate is provided with a downward extending annular metal outer skirt, the upper end of the metal middle plate is provided with an annular metal outer skirt extending upwards, the lower end of the metal middle plate is provided with an annular metal outer skirt extending downwards, the upper end of the metal lower plate is provided with an annular metal outer skirt which extends upwards, the annular metal outer skirts correspond to each other one by one, the metal upper plate, the metal middle plate and the annular metal outer skirt on the metal lower plate are spaced at the same interval, and the bottom surface of the metal lower plate is fixedly connected with a plurality of screw rods.
Further, the utility model relates to a backstop rubber shock absorber for train bogie, wherein, metal upper plate, metal medium plate and metal hypoplastron all are circular.
Further, the utility model relates to a backstop rubber shock absorber for train bogie, wherein, the material of metal upper plate, metal medium plate and metal hypoplastron is 42CrMo 4.
Further, the utility model relates to a backstop rubber shock absorber for train bogie, wherein, the metal medium plate is two, two the metal medium plate is from last to being first metal medium plate and second metal medium plate down once, first metal medium plate with also bond through rubber heat vulcanization between the second metal medium plate, rubber between metal upper plate and the first metal medium plate is the second rubber layer, rubber between first metal medium plate and the second metal medium plate is the third rubber layer, rubber between second metal medium plate and the metal hypoplastron is the fourth rubber layer.
Further, the utility model relates to a train is backstop rubber shock absorber for bogie, wherein, first rubber layer, second rubber layer, third rubber layer and fourth rubber layer are natural rubber.
Further, the utility model relates to a backstop rubber shock absorber for train bogie, wherein, second rubber layer, third rubber layer and fourth rubber layer lateral surface are the arcwall face to the indent.
Further, the utility model relates to a train is backstop rubber shock absorber for bogie, wherein, the concrete setting of screw rod is two, two the setting of screw rod central symmetry is in metal hypoplastron bottom surface.
The utility model relates to a backstop rubber shock absorber for train bogie compares with prior art, has following advantage: the utility model comprises a metal upper plate and a metal lower plate, which are fixed on a bogie rotating arm through a plurality of screw rods fixedly connected on the bottom surface of the metal lower plate, wherein the top surface of the metal upper plate is thermally vulcanized and bonded with a first rubber layer, when a train bears vertical impact load, the rigid contact between a bogie bracket and a shock absorber can be converted into flexible contact, and the stability of train operation is enhanced, a metal middle plate is arranged between the metal upper plate and the metal lower plate, the lower end of the metal upper plate is provided with a downward extending annular metal outer skirt, the metal upper plate, the metal middle plate and the metal lower plate are bonded with each other through rubber thermal vulcanization, the upper end of the metal middle plate is provided with an upward extending annular metal outer skirt, the lower end of the metal middle plate is provided with a downward extending annular metal outer skirt, the upper end of the metal lower plate is provided with an upward extending annular metal outer skirt, the same space is reserved among the annular metal outer skirts on the metal upper plate, the metal middle plate and the metal lower plate, when a train bears a larger vertical load, the space between the metal outer skirts is reduced until the metal outer skirts are contacted with each other, the metal upper plate, the metal middle plate and the metal lower plate can be extruded into a whole, the rigidity of the rubber shock absorber is stopped to rapidly increase, and the stopping effect is achieved; the contact area is large, the stop is more stable, the bogie bracket is limited to continue sinking, and the safety and the reliability of train operation are ensured.
The stopper rubber damper for a train bogie according to the present invention will be described in further detail with reference to the embodiments shown in the drawings.
Drawings
FIG. 1 is a perspective view of a stopper rubber shock absorber for a train bogie according to the present invention;
FIG. 2 is a front view of the stopper rubber shock absorber for a train bogie of the present invention;
FIG. 3 is a top view of the stopper rubber shock absorber for a train bogie according to the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 3.
Detailed Description
As shown in fig. 1 to 4, the present invention relates to a concrete embodiment of a stopper rubber shock absorber for a train bogie, which comprises a metal upper plate 1 and a metal lower plate 2, wherein during assembly, the stopper rubber shock absorber is integrally fixed on a bogie rotating arm by fixedly connecting a plurality of screw rods 6 with a diameter of 10mm on the bottom surface of the metal lower plate 2, the metal upper plate 1 corresponds to a bogie bracket in a spaced manner, wherein a first rubber layer 5 is bonded on the top surface of the metal upper plate 1 by thermal vulcanization, when a train bears a vertical impact load, the rigid contact between the bogie bracket and the shock absorber can be converted into flexible contact, thereby avoiding the rigid impact of metal parts, enhancing the stability of train operation, and also playing a role in protecting the bogie bracket and the bogie rotating arm; a metal middle plate is further arranged between the metal upper plate 1 and the metal lower plate 2, a downward extending annular metal outer skirt is arranged at the lower end 2 of the metal upper plate, an upward extending annular metal outer skirt is arranged at the upper end of the metal middle plate, a downward extending annular metal outer skirt is arranged at the lower end of the metal middle plate, an upward extending annular metal outer skirt is arranged at the upper end of the metal lower plate 2, the annular metal outer skirts correspond to one another one by one, the same intervals are reserved among the annular metal outer skirts on the metal upper plate 1, the metal middle plate and the metal lower plate 2, the total interval among the annular metal outer skirts is 10mm, the metal upper plate 1, the metal middle plate and the metal lower plate 2 are bonded through rubber heat vulcanization, and when the compression amount borne by the backstop rubber shock absorber is not more than 10mm, the integral rigidity; when the compression amount borne by the stop rubber shock absorber is larger than 10mm, the annular metal outer skirts of the metal upper plate 1, the metal middle plate 3 and the metal lower plate 2 are overlapped with each other, the contact area is large, the stop is more stable, the stop rubber shock absorber can be changed from flexible contact to rigid contact at the moment, the integral rigidity of the stop rubber shock absorber is increased rapidly to play a role of stopping, the bogie bracket stops sinking, and the safety and the reliability of train operation are ensured.
In order to save the assembly space and reduce the volume of the stopper rubber damper, the metal upper plate 1, the metal middle plate and the metal lower plate 2 are all set to be circular. In order to ensure the strength of the stop rubber shock absorber when a train bears a large impact load, the metal upper plate 1, the metal middle plate and the metal lower plate 2 are made of 42CrMo4 material which has high strength and hardenability, good toughness and can bear a great load.
As a specific embodiment, in order to further absorb, reduce and isolate transient impact loads during train operation, specifically, two metal middle plates are provided, the two metal middle plates are a first metal middle plate 3 and a second metal middle plate 4 from top to bottom, the first metal middle plate 3 and the second metal middle plate 4 are also bonded through rubber heat vulcanization, rubber between the metal upper plate 1 and the first metal middle plate 3 is a second rubber layer 7, rubber between the first metal middle plate 3 and the second metal middle plate 4 is a third rubber layer 8, and rubber between the second metal middle plate 4 and the metal lower plate 2 is a fourth rubber layer 9, so that the overall rigidity is also increased under the condition that the loaded compression amount is not changed.
The utility model provides a first rubber layer 5, second rubber layer 7, third rubber layer 8 and fourth rubber layer 9 are natural rubber, and it has fine deformability and bearing performance to can bear 4.089Mpa equivalent stress under the computational load. The outer side surfaces of the second rubber layer 7, the third rubber layer 8 and the fourth rubber layer 9 are all inwards concave arc-shaped surfaces, and space is provided for deformation of the second rubber layer, the third rubber layer and the fourth rubber layer during bearing.
As a preferred aspect of the present invention, it is considered that if a plurality of screws 6 are provided, a plurality of bolt holes are required to be formed in the metal lower plate and the bogie rotating arm, which reduces the strength of the metal lower plate and the bogie cantilever, and allows the screws 6 to be specifically set to two, and the two screws are arranged in the bottom surface of the metal lower plate 2 in a central symmetry manner, thereby ensuring the reliability of connection and the strength of the metal lower plate and the bogie rotating arm.
The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.
Claims (7)
1. The backstop rubber shock absorber for the train bogie is characterized by comprising an upper metal plate (1) and a lower metal plate (2), wherein a first rubber layer (5) is bonded on the top surface of the upper metal plate (1) through hot vulcanization, a middle metal plate is arranged between the upper metal plate (1) and the lower metal plate (2), a downward extending annular metal outer skirt is arranged at the lower end of the upper metal plate (1), an upward extending annular metal outer skirt is arranged at the upper end of the middle metal plate, a downward extending annular metal outer skirt is arranged at the lower end of the middle metal plate, an upward extending annular metal outer skirt is arranged at the upper end of the lower metal plate (2), the annular metal outer skirts correspond to one another one to one, the same intervals are reserved among the annular metal outer skirts on the upper metal plate (1), the middle metal plate and the lower metal plate (2), and the upper metal plate (1), the middle metal plate and the lower metal plate (2) are bonded through hot vulcanization of rubber, the bottom surface of the metal lower plate (2) is fixedly connected with a plurality of screw rods (6).
2. The stopper rubber damper for train bogie as claimed in claim 1, wherein said metal upper plate (1), metal middle plate and metal lower plate (2) are all circular.
3. The stopper rubber damper for train bogie as claimed in claim 2, wherein the material of said metal upper plate (1), metal middle plate and metal lower plate (2) is 42CrMo 4.
4. The stop rubber shock absorber for the train bogie as recited in claim 3, wherein there are two said metal middle plates, there are a first metal middle plate (3) and a second metal middle plate (4) in sequence from top to bottom, the first metal middle plate (3) and the second metal middle plate (4) are bonded together by rubber heat vulcanization, the rubber between the metal upper plate (1) and the first metal middle plate (3) is a second rubber layer (7), the rubber between the first metal middle plate (3) and the second metal middle plate (4) is a third rubber layer (8), and the rubber between the second metal middle plate (4) and the metal lower plate (2) is a fourth rubber layer (9).
5. The stop rubber shock absorber for train bogie according to claim 4 characterized in that said first rubber layer (5), second rubber layer (7), third rubber layer (8) and fourth rubber layer (9) are all natural rubber.
6. The stop rubber shock absorber for the train bogie according to claim 5, wherein the outer side surfaces of the second rubber layer (7), the third rubber layer (8) and the fourth rubber layer (9) are all arc-shaped surfaces which are inwards concave.
7. The stop rubber shock absorber for train bogie according to claim 6 wherein said two screws (6) are provided symmetrically on the center of said metal lower plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459928.0U CN210859639U (en) | 2019-09-03 | 2019-09-03 | Backstop rubber shock absorber for train bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921459928.0U CN210859639U (en) | 2019-09-03 | 2019-09-03 | Backstop rubber shock absorber for train bogie |
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| Publication Number | Publication Date |
|---|---|
| CN210859639U true CN210859639U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921459928.0U Active CN210859639U (en) | 2019-09-03 | 2019-09-03 | Backstop rubber shock absorber for train bogie |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389833A (en) * | 2021-07-13 | 2021-09-14 | 株洲时代新材料科技股份有限公司 | Multilayer rod end spherical hinge and design method thereof |
-
2019
- 2019-09-03 CN CN201921459928.0U patent/CN210859639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389833A (en) * | 2021-07-13 | 2021-09-14 | 株洲时代新材料科技股份有限公司 | Multilayer rod end spherical hinge and design method thereof |
| CN113389833B (en) * | 2021-07-13 | 2022-07-29 | 株洲时代新材料科技股份有限公司 | Multilayer rod end spherical hinge and design method thereof |
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Effective date of registration: 20210811 Address after: 065400 No. 29, Yunping Road, east of Yunhe Avenue, Xianghe Economic Development Zone, Langfang City, Hebei Province Patentee after: Xianghe hangcai Baimu Technology Co.,Ltd. Address before: No.8, Huanshan village, Wenquan Town, Haidian District, Beijing 100095 Patentee before: BEIJING BIAM UNITED Co.,Ltd. |