CN218519682U - Rubber cake buffer for city railway - Google Patents
Rubber cake buffer for city railway Download PDFInfo
- Publication number
- CN218519682U CN218519682U CN202222601218.5U CN202222601218U CN218519682U CN 218519682 U CN218519682 U CN 218519682U CN 202222601218 U CN202222601218 U CN 202222601218U CN 218519682 U CN218519682 U CN 218519682U
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- CN
- China
- Prior art keywords
- rubber cake
- main shaft
- rubber
- cake
- buffer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 utility model provides a rubber cake buffer for city railways, which comprises a mounting seat, an end cover, a groove-shaped nut, a split pin, a rubber cake, a clapboard and a main shaft; the end part of the main shaft is provided with a step, the diameter of the end part is smaller than that of the middle part, the end cover, the rubber cake, the mounting seat, the rubber cake, the partition plate, the rubber cake and the end cover are sequentially sleeved on the end part of the main shaft, and the groove-shaped nut applies certain pre-pressure to the rubber cake and then penetrates through the split pin to be fixed on the outermost side of the main shaft. The utility model discloses the energy-absorbing is efficient, and simple structure is compact, and weight is lighter to inspection, maintenance convenience.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle makes, especially, relate to a rubber cake buffer for city railway.
Background
At present, buffers commonly used by the urban railway car coupler are an EFG3 buffer, a gas-liquid buffer and a cement buffer, and the EFG3 rubber buffer is most widely applied due to the convenience in maintenance, low price and the like. The EFG3 rubber buffer realizes energy absorption through shearing deformation of the rubber blocks, but the shearing deformation cannot fully exert the energy absorption of the rubber blocks, the energy absorption efficiency is low, and the weight control is poor. The energy absorption capacity of the conventional EFG3 rubber buffer is difficult to meet the requirements of the rescue work condition of 8 marshalling type A vehicles. The gas-liquid buffer and the cement buffer can meet the rescue working condition requirement of 8 marshalling A-type vehicles, but have the defects of high weight, high price, difficult maintenance and disassembly and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving present buffer energy-absorbing inefficiency for the urban railway vehicle, the problem that weight is high and the price is expensive to provide a rubber cake buffer for urban railway, the energy-absorbing is efficient, simple structure, light in weight, the low price is and convenient inspection maintenance.
In order to realize the purpose of the utility model, the utility model provides a rubber cake buffer for urban railway, which comprises a mounting seat, an end cover, a groove-shaped nut, a split pin, a rubber cake, a clapboard and a main shaft; the end part of the main shaft is provided with a step, the diameter of the end part is smaller than that of the middle part, the end cover, the rubber cake, the mounting seat, the rubber cake, the partition plate, the rubber cake and the end cover are sequentially sleeved on the end part of the main shaft, and the groove-shaped nut applies certain pre-pressure to the rubber cake and then penetrates through the cotter pin to be fixed on the outermost side of the main shaft.
Furthermore, gaps are reserved among the mounting seat, the rubber cake, the partition plate and the main shaft.
Further, the mounting seat mounting interface interval is 300mm × 220mm.
The utility model adopts a small-sized rubber cake buffer, the design and installation interface is 300mm multiplied by 220mm, and the small-sized rubber cake buffer is suitable for the body interface of the urban railway vehicle; the stretching stroke is 80mm, the compression stroke is 40mm, and the efficiency is superior to that of the traditional buffer which absorbs energy through shearing through extruding and absorbing energy; the buffer has simple and compact structure, does not need an external shell, has light weight and is convenient to inspect and maintain.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation of the present invention;
FIG. 3 is a view of the installation interface of the present invention;
wherein: 1. a mounting base; 2. an end cap; 3. a groove-shaped nut; 4. a cotter pin; 5. a rubber cake; 6. a partition plate; 7. a main shaft.
Detailed Description
Referring to fig. 1, the utility model discloses buffer mainly includes mount pad 1, two end covers 2, cell type nut 3, split pin 4, three rubber cake 5, baffle 6, main shaft 7. The mounting base 1 is designed according to the requirements of a coupler interface, the distance between mounting interfaces is 300mm multiplied by 220mm, the mounting base is suitable for an urban railway vehicle body interface, and gaps are reserved among the mounting base, the rubber cake 5, the partition plate 6 and the main shaft 7. The size of the rubber cake is determined according to the radius variable quantity corresponding to different compression strokes of the rubber cake, one rubber cake can be adopted in the compression direction of the buffer by calculating 5km/h impact energy absorption and 8-marshalling type A vehicle rescue force working conditions, two rubber cakes need to be arranged in the stretching direction, namely one rubber cake is arranged in front of the mounting seat, and two rubber cakes are arranged behind the mounting seat. The end part of the main shaft 7 is provided with a step, and the diameter of the end part is smaller than that of the middle part. The end cover 2, the rubber cake 5, the mounting seat 1, the rubber cake 5, the partition plate 6, the rubber cake 5 and the end cover 2 are sequentially sleeved at the end part of the main shaft 7, and the slotted nut 3 applies certain pre-pressure to the rubber cake and then penetrates through the split pin 4 to be fixed at the outermost side of the main shaft 7. When the buffer acts, when the buffer is pressed, the front rubber cake 5 of the mounting seat 1 is extruded, the energy is absorbed through the deformation of the rubber cake 5, and when the buffer is pulled, the impact energy is absorbed through extruding the two rubber cakes 5 at the rear part of the mounting seat 1.
Claims (3)
1. A rubber cake buffer for city railway which is characterized in that: comprises a mounting seat (1), an end cover (2), a groove-shaped nut (3), a cotter pin (4), a rubber cake (5), a clapboard (6) and a main shaft (7); the end part of the main shaft (7) is provided with a step, the diameter of the end part is smaller than that of the middle part, the end cover (2), the rubber cake (5), the mounting seat (1), the rubber cake (5), the partition plate (6), the rubber cake (5) and the end cover (2) are sequentially sleeved on the end part of the main shaft (7), and the groove nut applies certain pre-pressure to the rubber cake (5) and then penetrates through the split pin (4) to be fixed on the outermost side of the main shaft (7).
2. The rubber cake bumper for urban railways according to claim 1, characterized in that: gaps are reserved among the mounting seat (1), the rubber cake (5), the partition plate (6) and the main shaft (7).
3. The rubber cake bumper for urban railways according to claim 1, characterized in that: the distance between the mounting interfaces of the mounting seat (1) is 300mm multiplied by 220mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601218.5U CN218519682U (en) | 2022-09-30 | 2022-09-30 | Rubber cake buffer for city railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601218.5U CN218519682U (en) | 2022-09-30 | 2022-09-30 | Rubber cake buffer for city railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218519682U true CN218519682U (en) | 2023-02-24 |
Family
ID=85245674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222601218.5U Active CN218519682U (en) | 2022-09-30 | 2022-09-30 | Rubber cake buffer for city railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218519682U (en) |
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2022
- 2022-09-30 CN CN202222601218.5U patent/CN218519682U/en active Active
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