CN110304098B - Multi-stage buffer device for coupler - Google Patents
Multi-stage buffer device for coupler Download PDFInfo
- Publication number
- CN110304098B CN110304098B CN201910730498.XA CN201910730498A CN110304098B CN 110304098 B CN110304098 B CN 110304098B CN 201910730498 A CN201910730498 A CN 201910730498A CN 110304098 B CN110304098 B CN 110304098B
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- CN
- China
- Prior art keywords
- coupler
- spring
- buffer box
- box
- buffer
- Prior art date
- 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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- 239000000872 buffer Substances 0.000 title claims abstract description 76
- 230000003139 buffering effect Effects 0.000 claims abstract description 28
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G9/00—Draw-gear
- B61G9/04—Draw-gear combined with buffing appliances
- B61G9/10—Draw-gear combined with buffing appliances with separate mechanical friction shock-absorbers
Abstract
The invention belongs to the technical field of electric locomotives, and particularly relates to a car coupler multistage buffering device, which comprises a first buffering box and a second buffering box, wherein the first buffering box is connected with the second buffering box; a plurality of first springs are fixedly connected between the inner surface of the first buffer box and the outer surface of the second buffer box; a coupler connecting block is arranged through the left end face of the first buffer box; the left end of the coupler connecting block is fixedly connected with a coupler; the right end of the coupler connecting block is connected to the inside of the second buffer box; a pin shaft hole is formed in the second buffer box, and the pin shaft hole penetrates through the top bottom surface of the second buffer box; the pin shaft penetrates through the pin shaft hole and is movably connected with the second buffer box; the pin shaft penetrates through the top bottom surface of the coupler connecting block and is fixedly connected with the coupler connecting block; the outer surface of the second buffer box is fixedly provided with a second friction bulge; the first buffer tank inner surface is provided with first friction protrusion. The car coupler multistage buffering device can buffer the car coupler for multiple times, and has a good buffering effect.
Description
Technical Field
The invention belongs to the technical field of electric locomotives, and particularly relates to a car coupler multistage buffering device.
Background
The coupler buffer is one of the most important parts of rolling stock and mainly consists of a coupler and a buffer. The coupler is used for realizing the connection and the hanging between rolling stocks, transmitting traction force and impact force and keeping a certain distance between the rolling stocks; the buffer is used for relieving longitudinal impact and vibration caused by the change of locomotive traction force or the mutual collision of vehicles during starting, braking and shunting operation in the running process of the vehicles so as to dissipate the impact and vibration among the vehicles, thereby reducing the damage to the vehicle structure and the loaded cargoes.
The existing coupler buffering device comprises a coupler and a coupler tail cabinet. The front slave plate is arranged in the coupler tail cabinet, the plate surface of the front slave plate is perpendicular to the central line of the coupler tail cabinet, the periphery of the front slave plate is fixedly connected with the inner wall of the coupler tail cabinet, the rear slave plate is arranged in the inner cavity of the coupler tail cabinet behind the front slave plate and is parallel to the front slave plate, and the periphery of the rear slave plate is fixedly connected with the inner wall of the coupler tail cabinet. The rear slave plate and the front slave plate are internally provided with cylindrical buffers, the buffers and the coupler tail cabinet are concentrically arranged, through holes are formed in the front slave plate and the end face of the coupler tail cabinet, which correspond to the front end of the buffers, and the tail of the coupler is connected with the front end of the buffers through the through holes in the front slave plate and the end face of the coupler tail cabinet.
The existing coupler buffer device can buffer the couplers connected between different vehicles or carriages, but in the buffer process, the front slave plate and the rear slave plate are stressed relatively easily to be damaged, so that technicians are required to carry out frequent maintenance, and the workload of maintenance personnel is increased.
Disclosure of Invention
In view of the above, the present invention aims to provide a car coupler multistage buffering device, so as to achieve multistage buffering of the car coupler, and fully dissipate forces applied to a front slave plate and a rear slave plate in a buffering process, thereby preventing the front slave plate and the rear slave plate from being damaged due to larger forces, and reducing workload of maintenance personnel.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
A car coupler multistage buffering device comprises a first buffering box, wherein a second buffering box is fixedly arranged in the first buffering box; the inner surface of the first buffer box is fixedly connected with a plurality of first springs, and eight symmetrical distribution is preferable; the first spring is fixedly connected with the outer surface of the second buffer box; a coupler connecting block is arranged through the left end face of the first buffer box; the left end of the coupler connecting block is fixedly connected with a coupler; the right end of the coupler connecting block is connected to the inside of the second buffer box; a pin shaft hole is formed in the second buffer box, and the pin shaft hole penetrates through the top bottom surface of the second buffer box; the pin shaft penetrates through the pin shaft hole and is movably connected with the second buffer box; the pin shaft penetrates through the top and bottom surfaces of the coupler connecting block and is fixedly connected with the coupler connecting block.
Furthermore, the first buffer tank and the second buffer tank are made of steel materials.
Further, the size of the pin hole is larger than the section of the pin, and the pin can move in the range of the pin hole.
Further, a second friction protrusion is fixedly arranged on the outer surface of the second buffer box; the inner surface of the first buffer box is provided with a first friction bulge; the first friction bulge and the second friction bulge are made of elastic rubber materials; the cross section shape of the first friction bulge and the second friction layer bulge is triangle.
Further, a front slave plate, a movable plate and a rear slave plate which are arranged in parallel are sequentially arranged in the second buffer box from left to right; the front slave plate and the rear slave plate are fixedly connected with the inner wall of the second buffer box, and the movable plate is in sliding connection with the inner wall of the second buffer box.
Further, a second spring and a third spring with different coil radii are fixedly arranged between the front slave plate and the movable plate; a fourth spring and a fifth spring with different coil radii are fixedly arranged between the movable plate and the rear slave plate;
Further, the coil radius of the third spring is larger than that of the second spring, and the coil of the third spring is sleeved outside the second spring; the coil radius of the fifth spring is larger than that of the fourth spring, and the coil of the fifth spring is sleeved outside the fourth spring.
Further, the right end of the coupler connecting block is fixedly connected with a connecting rod, and the connecting rod penetrates through the front slave plate and is movably connected with the front slave plate; the connecting rod passes through the second spring coil and is fixedly connected with the left end of the movable plate.
Compared with the prior art, the car coupler multistage buffering device has the following advantages:
(1) The springs are connected to the two sides of the movable plate, so that the front and rear stress of the coupler can be buffered.
(2) According to the invention, the third spring is sleeved outside the second spring, and the fifth spring is sleeved outside the fourth spring, so that the buffer section of the springs can be increased, the pressure intensity of the front slave plate and the rear slave plate is reduced, and the service lives of the front slave plate and the rear slave plate are prolonged.
(3) According to the invention, the first spring is connected between the inner surface of the first buffer box and the outer surface of the second buffer box, the first friction protrusion is arranged on the inner surface of the first buffer box, the second friction protrusion is arranged on the outer surface of the second buffer box, and the three are matched for use to further strengthen the buffering effect on the coupler.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is an isometric view of a multi-stage buffer for a coupler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of a multi-stage buffer device for a coupler according to an embodiment of the present invention;
fig. 3 is a schematic top view of a multi-stage buffer device for a coupler according to an embodiment of the present invention.
Reference numerals illustrate:
1-a coupler; 2-a coupler connecting block; 3-a first buffer tank; 31-a first spring; 32-a first friction protrusion; 4-a second buffer tank; 41-front slave plate; 42-a movable plate; 43-rear slave plate; 44-a second spring; 45-a third spring; 46-fourth springs; 47-fifth spring; 48-a second friction protrusion; 5-limiting pin shafts; 6-a pin shaft hole; 7-connecting rod.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
1-3, A car coupler multistage buffering device comprises a first buffering box 3, wherein a second buffering box 2 is fixedly arranged in the first buffering box 3; the inner surface of the first buffer box 3 is fixedly connected with a plurality of first springs 31; the first spring 31 is fixedly connected with the outer surface of the second buffer box 2; a coupler connecting block 2 is arranged through the left end face of the first buffer tank 3; the left end of the coupler connecting block 2 is fixedly connected with a coupler 1; the right end of the coupler connecting block 2 is connected to the inside of the second buffer tank 4; a pin shaft hole 6 is arranged on the second buffer tank 4, and the pin shaft hole 6 penetrates through the top and bottom surfaces of the second buffer tank 4; the pin shaft 5 passes through the pin shaft hole 6 and is movably connected with the second buffer box 4; the pin shaft 5 passes through the top and bottom surfaces of the coupler connecting block 2 and is fixedly connected with the coupler connecting block 2; the outer surface of the second buffer tank 4 is fixedly provided with a second friction protrusion 48; the inner surface of the first buffer tank 3 is provided with a first friction protrusion 32; a front slave plate 41, a movable plate 42 and a rear slave plate 43 which are arranged in parallel are sequentially arranged in the second buffer tank 4 from left to right; the front slave plate 41 and the rear slave plate 43 are fixedly connected with the inner wall of the second buffer box 4, and the movable plate 42 is in sliding connection with the inner wall of the second buffer box 4; a second spring 44 and a third spring 45 with different coil radii are fixedly arranged between the front slave plate 41 and the movable plate 42; a fourth spring 46 and a fifth spring 47 with different coil radii are fixedly arranged between the movable plate 42 and the rear slave plate 43; the fifth spring 47 is sleeved outside the fourth spring 46; the spiral shell of the third spring 45 is sleeved outside the second spring 44; the coil of the fifth spring 47 is sleeved outside the fourth spring 46; the right end of the coupler connecting block 2 is fixedly connected with a connecting rod 7, and the connecting rod 7 penetrates through the front slave plate 41 and is movably connected with the front slave plate 41; the connecting rod 7 passes through the spiral ring of the second spring 44 and is fixedly connected with the left end of the movable plate 42.
In an embodiment, the multiple buffering process of the coupler multistage buffering device of the present invention may occur: when the coupler 1 is stressed, the movable plate 42 moves, the second spring 44, the third spring 45, the fourth spring 46 and the fifth spring 47 which are connected with the movable plate 42 are simultaneously elastically deformed, and the elastic direction generated by the elastic deformation is opposite to the stress direction of the coupler 1, so that the stress of part of the coupler is counteracted; according to different stress directions of the coupler 1, the second buffer box 4 in the first buffer box 3 horizontally moves, the first spring 31 elastically deforms, and the elastic direction generated by the deformation of the first spring 31 is opposite to the stress direction of the coupler 1, so that the stress of the coupler 1 can be further counteracted; meanwhile, the first friction protrusions 32 on the inner surface of the first buffer box 3 are in extrusion contact with the second friction protrusions 48 on the outer surface of the second buffer box 4, so that friction force between the inner surface of the first buffer box 3 and the outer surface of the second buffer box 4 is increased, the direction of the friction force is opposite to the stress direction of the coupler 1, and the stress of the coupler 1 can be offset again.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (1)
1. A car coupler multistage buffering device comprises a first buffering box (3), wherein a second buffering box (4) is arranged in the first buffering box (3); the inner surface of the first buffer box (3) is fixedly connected with a plurality of first springs (31); the first spring (31) is fixedly connected with the outer surface of the second buffer box (4); a coupler connecting block (2) is arranged through the left end face of the first buffer box (3); the left end of the coupler connecting block (2) is fixedly connected with a coupler (1); the right end of the coupler connecting block (2) is connected to the inside of the second buffer box (4); a pin shaft hole (6) is formed in the second buffer box (4), and the pin shaft hole (6) penetrates through the top and bottom surfaces of the second buffer box (4); the pin shaft (5) penetrates through the pin shaft hole (6) and is movably connected with the second buffer box (4); the pin shaft (5) penetrates through the top and bottom surfaces of the coupler connecting block (2) and is fixedly connected with the coupler connecting block (2); the outer surface of the second buffer box (4) is fixedly provided with a second friction bulge (48); the inner surface of the first buffer box (3) is provided with a first friction bulge (32);
A front slave plate (41), a movable plate (42) and a rear slave plate (43) which are arranged in parallel are sequentially arranged in the second buffer box (4) from left to right; the front slave plate (41) and the rear slave plate (43) are fixedly connected with the inner wall of the second buffer box (4), and the movable plate (42) is in sliding connection with the inner wall of the second buffer box (4);
a second spring (44) and a third spring (45) with different coil radii are fixedly arranged between the front slave plate (41) and the movable plate (42);
a fourth spring (46) and a fifth spring (47) with different coil radii are fixedly arranged between the movable plate (42) and the rear slave plate (43);
the right end of the coupler connecting block (2) is fixedly connected with a connecting rod (7), and the connecting rod (7) penetrates through the front slave plate (41) to be movably connected with the front slave plate (41); the connecting rod (7) passes through the spiral ring of the second spring (44) and is fixedly connected with the left end of the movable plate (42);
the third spring (45) is sleeved outside the second spring (44); the fifth spring (47) is sleeved outside the fourth spring (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730498.XA CN110304098B (en) | 2019-08-08 | 2019-08-08 | Multi-stage buffer device for coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730498.XA CN110304098B (en) | 2019-08-08 | 2019-08-08 | Multi-stage buffer device for coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110304098A CN110304098A (en) | 2019-10-08 |
| CN110304098B true CN110304098B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910730498.XA Active CN110304098B (en) | 2019-08-08 | 2019-08-08 | Multi-stage buffer device for coupler |
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| Country | Link |
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| CN (1) | CN110304098B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114407962B (en) * | 2021-11-29 | 2023-03-31 | 宁波吉威熔模铸造有限公司 | Multistage buffering formula railway carriage connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086717Y (en) * | 2007-09-29 | 2008-07-16 | 山西国瑞铁路车辆科技有限公司 | Buffer for rail vehicle |
| CN201321052Y (en) * | 2008-12-23 | 2009-10-07 | 中国北车集团大同电力机车有限责任公司 | Car coupler cushioning device with self-resilience |
| CN201520306U (en) * | 2009-11-16 | 2010-07-07 | 中国北车集团大同电力机车有限责任公司 | Bumper used for locomotive vehicles |
| WO2011054202A1 (en) * | 2009-11-09 | 2011-05-12 | 青岛四方车辆研究所有限公司 | Semi-permanent draw gear for light rail |
| CN202124042U (en) * | 2011-07-12 | 2012-01-25 | 中国北车集团大同电力机车有限责任公司 | Draw gear buffering device |
| CN104401348A (en) * | 2014-11-19 | 2015-03-11 | 齐齐哈尔轨道交通装备有限责任公司 | Railway vehicle and hook buffer device thereof |
| CN105197058A (en) * | 2015-09-30 | 2015-12-30 | 无锡惠发特精密机械有限公司 | Draw gear buffering device for rail locomotive |
| CN208291242U (en) * | 2018-06-10 | 2018-12-28 | 铜陵铁科轨道装备有限公司 | A kind of hitch connection buffer unit |
| CN210591913U (en) * | 2019-08-08 | 2020-05-22 | 天津电力机车有限公司 | Multi-stage buffer device for car coupler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2517970B (en) * | 2013-09-06 | 2016-02-10 | T A Savery & Co Ltd | A buffer |
-
2019
- 2019-08-08 CN CN201910730498.XA patent/CN110304098B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201086717Y (en) * | 2007-09-29 | 2008-07-16 | 山西国瑞铁路车辆科技有限公司 | Buffer for rail vehicle |
| CN201321052Y (en) * | 2008-12-23 | 2009-10-07 | 中国北车集团大同电力机车有限责任公司 | Car coupler cushioning device with self-resilience |
| WO2011054202A1 (en) * | 2009-11-09 | 2011-05-12 | 青岛四方车辆研究所有限公司 | Semi-permanent draw gear for light rail |
| CN201520306U (en) * | 2009-11-16 | 2010-07-07 | 中国北车集团大同电力机车有限责任公司 | Bumper used for locomotive vehicles |
| CN202124042U (en) * | 2011-07-12 | 2012-01-25 | 中国北车集团大同电力机车有限责任公司 | Draw gear buffering device |
| CN104401348A (en) * | 2014-11-19 | 2015-03-11 | 齐齐哈尔轨道交通装备有限责任公司 | Railway vehicle and hook buffer device thereof |
| CN105197058A (en) * | 2015-09-30 | 2015-12-30 | 无锡惠发特精密机械有限公司 | Draw gear buffering device for rail locomotive |
| CN208291242U (en) * | 2018-06-10 | 2018-12-28 | 铜陵铁科轨道装备有限公司 | A kind of hitch connection buffer unit |
| CN210591913U (en) * | 2019-08-08 | 2020-05-22 | 天津电力机车有限公司 | Multi-stage buffer device for car coupler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110304098A (en) | 2019-10-08 |
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