CN219487442U - Railway traffic auxiliary speed reducer - Google Patents
Railway traffic auxiliary speed reducer Download PDFInfo
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- CN219487442U CN219487442U CN202320636690.4U CN202320636690U CN219487442U CN 219487442 U CN219487442 U CN 219487442U CN 202320636690 U CN202320636690 U CN 202320636690U CN 219487442 U CN219487442 U CN 219487442U
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- oil cylinder
- fixedly connected
- pressure release
- pressure
- pipe
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Abstract
The utility model discloses a railway traffic auxiliary speed reducer, which comprises a speed reducing jack arranged on a rail, wherein the speed reducing jack consists of an oil cylinder and a mushroom head shell, and further comprises a pressure release mechanism which is arranged on the oil cylinder and used for automatically releasing pressure when the internal pressure is too high, the pressure release mechanism comprises a pressure release pipe fixedly connected to the side wall of the oil cylinder, a conical sleeve and a filter plate are fixedly connected in the pressure release pipe, the conical sleeve is arranged closer to the oil cylinder, a plugging ball is arranged on the conical sleeve, a spring is fixedly connected to one side, far away from the oil cylinder, of the plugging ball, and the other end of the spring is connected with the filter plate. According to the utility model, through the arrangement of the pressure relief mechanism, under the adjustment action of the adjusting mechanism, the automatic pressure relief of the oil cylinder is realized, so that the pressure in the inner cavity of the oil cylinder is reduced to the safe use range, and the safety of the retarder in the use process is ensured.
Description
Technical Field
The utility model belongs to the technical field of speed reducers, and particularly relates to an auxiliary speed reducer for railway traffic.
Background
The speed reducing roof for railway vehicles is a speed regulating device widely applied to domestic and overseas marshalling yards. The vehicle running speed can be automatically controlled without external energy, and the vehicle running speed can be installed and used in a straight line section, a curve section and a turnout area in a yard.
The existing railway vehicle retarder is arranged in a railway marshalling yard, works continuously in all weather under outdoor environment, has severe working conditions, high use frequency and high load intensity, and can generate conditions of water inflow, icing, increased deterioration of hydraulic oil and the like of an inner cavity of a retarder sliding oil cylinder assembly due to insufficient maintenance and in-place caused by various reasons in the long-time use process, so that the internal pressure of retarder equipment is overlarge, the counter-force exceeds the limit in the working process, and serious potential safety hazards are brought to the shunting operation of the yard.
The present utility model has been made in view of this.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the railway traffic auxiliary speed reducer comprises a speed reducer top arranged on a rail 101, wherein the speed reducer top consists of an oil cylinder and a mushroom head shell, and further comprises a pressure release mechanism which is arranged on the oil cylinder and is used for automatically releasing pressure when the internal pressure is too high;
the pressure release mechanism comprises a pressure release pipe fixedly connected to the side wall of the oil cylinder, a conical sleeve and a filter plate are fixedly connected to the pressure release pipe, the conical sleeve is closer to the oil cylinder, a plugging ball is arranged on the conical sleeve, one side of the plugging ball, which is far away from the oil cylinder, is fixedly connected with a spring, the other end of the spring is connected with the filter plate, the plugging ball abuts against the side wall of the conical sleeve under the elastic force of the spring, and an adjusting mechanism for adjusting the elastic force of the spring is arranged on the pressure release pipe.
The adjusting mechanism comprises a first fixing plate fixedly connected to one end of the pressure relief pipe, far away from the oil cylinder, a threaded rod is rotatably connected to the first fixing plate, a threaded pipe is connected to the side wall of the threaded rod in a threaded mode, and one end of the threaded pipe is connected with the filter plate.
One end of the threaded rod, which is far away from the filter plate, penetrates through the first fixing plate, and is fixedly connected with an adjusting plate, and a plurality of anti-skid grooves are formed in the side wall of the adjusting plate.
Be equipped with the direction subassembly that is used for leading at the in-process that the filter removed on the pressure release pipe, direction subassembly includes the second fixed plate of fixed connection at pressure release pipe one end of keeping away from the hydro-cylinder, fixedly connected with guide bar on the second fixed plate, sliding connection has the guide tube on the lateral wall of guide bar, the one end of guide tube is connected with the filter.
A plurality of scale marks are formed on the side wall of the guide rod.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the arrangement of the pressure relief mechanism, under the adjustment action of the adjusting mechanism, the automatic pressure relief of the oil cylinder is realized, so that the pressure in the inner cavity of the oil cylinder is reduced to the safe use range, and the safety of the retarder in the use process is ensured.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the pressure relief mechanism of the present utility model;
fig. 3 is an enlarged view at a in fig. 2.
In the figure: 101. a rail; 102. an oil cylinder; 103. a mushroom head housing; 201. a pressure relief tube; 202. a conical sleeve; 203. a blocking ball; 204. a filter plate; 205. a spring; 301. a first fixing plate; 302. a threaded rod; 303. a threaded tube; 304. an adjusting plate; 305. an anti-skid groove; 401. a second fixing plate; 402. a guide rod; 403. a guide tube; 5. a plurality of graduation marks.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.
As shown in fig. 1 to 3, the auxiliary speed reducer for railway traffic comprises a speed reducing jack arranged on a rail 101, wherein the speed reducing jack consists of an oil cylinder 102 and a mushroom head shell 103, and further comprises a pressure release mechanism arranged on the oil cylinder 102 and used for automatically releasing pressure when the internal pressure is too high;
the pressure release mechanism comprises a pressure release pipe 201 fixedly connected to the side wall of the oil cylinder 102, a conical sleeve 202 and a filter plate 204 are fixedly connected to the pressure release pipe 201, the conical sleeve 202 is arranged closer to the oil cylinder 102, a blocking ball 203 is arranged on the conical sleeve 202, a spring 205 is fixedly connected to one side, far away from the oil cylinder 102, of the blocking ball 203, the other end of the spring 205 is connected with the filter plate 204, the blocking ball 203 abuts against the side wall of the conical sleeve 202 under the elastic force of the spring 205, and an adjusting mechanism for adjusting the elastic force of the spring 205 is arranged on the pressure release pipe 201;
what needs to be explained here is: through the setting of pressure release mechanism, under adjustment mechanism's adjustment effect, realized carrying out automatic pressure release to hydro-cylinder 102 for hydro-cylinder 102 inner chamber pressure drops to safe application range, thereby has ensured the security of retarder in the use.
The adjusting mechanism comprises a first fixing plate 301 fixedly connected to one end, far away from the oil cylinder 102, of the pressure relief pipe 201, a threaded rod 302 is rotatably connected to the first fixing plate 301, a threaded pipe 303 is connected to the side wall of the threaded rod 302 in a threaded manner, and one end of the threaded pipe 303 is connected with the filter plate 204;
what needs to be explained here is: through the setting of adjustment mechanism, realized the adjustment to the elastic force of spring 205 for the pressure in hydro-cylinder 102 can carry out real-time adjustment according to the work load of station, weather, maintenance and maintenance condition, has improved the security and the flexibility that the retarder used.
One end of the threaded rod 302, which is far away from the filter plate 204, penetrates through the first fixed plate 301 and is fixedly connected with an adjusting plate 304, and a plurality of anti-skid grooves 305 are formed in the side wall of the adjusting plate 304;
what needs to be explained here is: rotation of the threaded rod 302 is facilitated by the provision of the adjustment plate 304.
The pressure relief pipe 201 is provided with a guide assembly for guiding in the moving process of the filter plate 204, the guide assembly comprises a second fixed plate 401 fixedly connected to one end of the pressure relief pipe 201 far away from the oil cylinder 102, a guide rod 402 is fixedly connected to the second fixed plate 401, a guide pipe 403 is slidingly connected to the side wall of the guide rod 402, and one end of the guide pipe 403 is connected with the filter plate 204;
what needs to be explained here is: by the arrangement of the guide assembly, guiding and limiting functions are provided for the movement of the filter plate 204.
A plurality of graduation marks 5 are arranged on the side wall of the guide rod 402;
what needs to be explained here is: by setting the graduation marks 5, the graduation marks 5 can provide a more accurate reference when the elastic force of the spring 205 is adjusted.
When the conditions of water inflow, icing, deterioration of hydraulic oil and the like occur in the inner cavity of the oil cylinder 102, the pressure in the oil cylinder 102 is increased, when the continuously increased pressure exceeds the abutting force of the spring 205 on the plugging ball 203, the plugging ball 203 is pushed to move away from the conical sleeve 202, at the moment, the spring 205 is stressed to deform to form elastic force, when the plugging ball 203 is far away from the conical sleeve 202, the conical sleeve 202 is not plugged, at the moment, redundant oil-gas mixture in the oil cylinder 102 is discharged outwards from a gap between the plugging ball 203 and the conical sleeve 202, so that the pressure in the inner cavity of the oil cylinder 102 is relieved, the pressure in the oil cylinder 102 is reduced, the use safety of a retarder is ensured, and when the pressure in the oil cylinder 102 is reduced to a safe section, the plugging ball 203 is pushed against the conical sleeve 202 again under the elastic force of the spring 205, and the internal pressure of the oil cylinder 102 is further ensured to be in a safe use range;
in actual use, the elastic force of the spring 205 needs to be adjusted according to the working capacity, climate, maintenance and maintenance conditions of a station, the adjusting disc 304 is rotated in the adjusting process to drive the threaded rod 302 to rotate, the filter plate 204 is driven to move under the transmission action of the threaded rod 303 in a threaded engagement manner and the guiding action of the guide rod 402 and the guide pipe 403 in the rotating process of the threaded rod 302, and the compression amount of the spring 205 is changed in the moving process of the filter plate 204, so that the elastic force of the spring 205 is adjusted, the pressure inside the oil cylinder 102 can be adjusted in real time according to the working capacity, climate, maintenance and maintenance conditions of the station, and the safety and flexibility of the use of the retarder are improved.
Claims (5)
1. A railway traffic auxiliary speed reducer comprising:
the speed reducing jack is arranged on a rail (101) and consists of an oil cylinder (102) and a mushroom head shell (103);
characterized by further comprising:
the pressure release mechanism is arranged on the oil cylinder (102) and used for automatically releasing pressure when the internal pressure is too high;
the pressure release mechanism comprises a pressure release pipe (201) fixedly connected to the side wall of the oil cylinder (102), a conical sleeve (202) and a filter plate (204) are fixedly connected to the pressure release pipe (201), the conical sleeve (202) is closer to the oil cylinder (102), a plugging ball (203) is arranged on the conical sleeve (202), one side, away from the oil cylinder (102), of the plugging ball (203) is fixedly connected with a spring (205), the other end of the spring (205) is connected with the filter plate (204), the plugging ball (203) abuts against the side wall of the conical sleeve (202) under the elastic force of the spring (205), and an adjusting mechanism for adjusting the elastic force of the spring (205) is arranged on the pressure release pipe (201).
2. The railway traffic auxiliary speed reducer according to claim 1, wherein the adjusting mechanism comprises a first fixing plate (301) fixedly connected to one end of the pressure relief pipe (201) far away from the oil cylinder (102), a threaded rod (302) is rotatably connected to the first fixing plate (301), a threaded pipe (303) is connected to the side wall of the threaded rod (302) in a threaded mode, and one end of the threaded pipe (303) is connected to the filter plate (204).
3. The railway traffic auxiliary speed reducer according to claim 2, wherein one end of the threaded rod (302) far away from the filter plate (204) penetrates through the first fixing plate (301) and is fixedly connected with an adjusting plate (304), and a plurality of anti-skid grooves (305) are formed in the side wall of the adjusting plate (304).
4. The railway traffic auxiliary speed reducer according to claim 2, wherein the pressure release pipe (201) is provided with a guide assembly for guiding in the moving process of the filter plate (204), the guide assembly comprises a second fixing plate (401) fixedly connected with one end of the pressure release pipe (201) far away from the oil cylinder (102), the second fixing plate (401) is fixedly connected with a guide rod (402), the side wall of the guide rod (402) is slidably connected with a guide pipe (403), and one end of the guide pipe (403) is connected with the filter plate (204).
5. The railway traffic auxiliary speed reducer according to claim 4, wherein a plurality of graduation marks (5) are formed on the side wall of the guide rod (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636690.4U CN219487442U (en) | 2023-03-28 | 2023-03-28 | Railway traffic auxiliary speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320636690.4U CN219487442U (en) | 2023-03-28 | 2023-03-28 | Railway traffic auxiliary speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219487442U true CN219487442U (en) | 2023-08-08 |
Family
ID=87479528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320636690.4U Active CN219487442U (en) | 2023-03-28 | 2023-03-28 | Railway traffic auxiliary speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219487442U (en) |
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2023
- 2023-03-28 CN CN202320636690.4U patent/CN219487442U/en active Active
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