CN204399189U - Efficient train shock absorber - Google Patents
Efficient train shock absorber Download PDFInfo
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- CN204399189U CN204399189U CN201520014696.3U CN201520014696U CN204399189U CN 204399189 U CN204399189 U CN 204399189U CN 201520014696 U CN201520014696 U CN 201520014696U CN 204399189 U CN204399189 U CN 204399189U
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- spring assembly
- spring
- disk spring
- casing
- disk
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Abstract
The utility model discloses a kind of efficient train shock absorber, comprise casing, friction component, spring assembly and restoring spring, described friction component is installed on the open end of casing, described spring assembly is arranged in casing, friction component is bearing on spring assembly, described restoring spring is installed between the center wedge of friction component and the spring perch of spring assembly, described spring assembly comprises at least one group of disk spring assembly, this disk spring assembly is combined by some disk spring sheets, disk spring assembly is installed between casing inner bottom part and spring perch, elastic rubber column is provided with in the endoporus of disk spring assembly, the outer ring of disk spring assembly is provided with orienting sleeve.Adopt efficient train shock absorber of the present utility model can have higher buffering efficiency, fully absorb the impact kinetic energy that train high-speed cruising produces, thus ensure the smooth running of train.
Description
Technical field
The utility model relates to a kind of rail vehicle device, particularly relates to a kind of train shock absorber.
Background technology
Coupler and draft gear is the important device in two joint compartments before and after train connects, hitch part is wherein used for ensureing to be connected to each other between vehicle, and transmit tensile force (tractive force), produced by hitch between vehicle when shock absorber wherein is then used for cushioning train operation and shunting service, the collision of transmitting, absorb impact kinetic energy, the tractive force born by hitch and impulsive force pass to the draw beam in compartment after shock absorber buffering, reduce the dynamic action produced when vehicle impacts mutually, longitudinal impact between vehicle is vibrated relaxed or cut down, thus improve condition of service, protection rolling stock and goods are not damaged, whole train held stationary runs.
Friction-type spring bumper is a kind of typical train shock absorber, it is combined by friction component and spring assembly and buffer box body and forms, spring assembly is made up of inside and outside central spring and multiple periphery spring usually, spring assembly is arranged on casing inner bottom part, its upper end is connected with friction component by spring perch, and the spring that spring assembly adopts is spiral compression spring.When shock absorber is subject to hitch part when the impact transmitted from plate of transmitted load, promote friction component consumption from plate and absorb a part of kinetic energy, and promote spring perch compression spring assembly by friction component, born impact kinetic energy is converted into the elastic potential energy of spring, thus consume, to have cushioned between compartment produce impact kinetic energy, train is able to smooth running.When shock absorber unloads, spring assembly makes friction component reset by elastic force.
The shock absorber of said structure can meet buffer requirements preferably when low cruise in ordinary train, but along with the raising of train running speed, the impact kinetic energy produced between compartment is corresponding raising also, original shock absorber can not fully absorb its impact kinetic energy by spiral compression spring, be difficult to the buffer requirements of the train adapting to high-speed cruising, be necessary to be improved it, to adapt to the higher operating needs of high speed train.
Utility model content
For the above-mentioned deficiency existing for prior art, technical problem to be solved in the utility model is to provide a kind of efficient train shock absorber, it can have higher buffering efficiency, fully absorbs the impact kinetic energy that train high-speed cruising produces, thus ensures the smooth running of train.
In order to solve the problems of the technologies described above, the efficient train shock absorber of one of the present utility model, comprise casing, friction component, spring assembly and restoring spring, described friction component is installed on the open end of casing, described spring assembly is arranged in casing, friction component is bearing on spring assembly, described restoring spring is installed between the center wedge of friction component and the spring perch of spring assembly, described spring assembly comprises at least one group of disk spring assembly, this disk spring assembly is combined by some disk spring sheets, disk spring assembly is installed between casing inner bottom part and spring perch, elastic rubber column is provided with in the endoporus of disk spring assembly, the outer ring of disk spring assembly is provided with orienting sleeve.
In said structure, because described spring assembly comprises at least one group of disk spring assembly, this disk spring assembly is combined by some disk spring sheets, disk spring assembly is installed between casing inner bottom part and spring perch, then be provided with at least one group of disk spring assembly in described spring assembly, can be absorbed by disk spring, the impact kinetic energy produced between buffer compartment, and disk spring assembly is compared with spiral compression spring conventional at present, disk spring can bear great load in less space, have and better cushion damping capaicty, when particularly adopting multiple disc spring film unitized construction, the effect absorbing impact and dissipation energy is more remarkable, often be used to heavy duty equipment, aircraft, powerful buffering and shock absorption device is made in the machines such as artillery or weapon, thus disk spring is adopted also just can to absorb more, the impact kinetic energy produced between buffer compartment, and do not need the installing space increasing spring assembly, its buffering efficiency is higher, again owing to being provided with elastic rubber column in the endoporus of disk spring assembly, then set elastic rubber column adopts this extraordinary non-metal elastic element of rubber, its modulus of elasticity is low, elastic deformation is large, larger than metallic elastic component more than 10 times of the deformation energy that unit volume stores, interior friction is large, damping capacity is good, more impact kinetic energy can be consumed, on the one hand can as a spring participation to the absorption of impact kinetic energy and energy dissipation, and do not take installing space in addition buffering damping capaicty just can be made stronger, improve buffering shock-absorbing efficiency further, thus absorb the impact kinetic energy that train high-speed cruising produces more fully, ensure that the smooth running of train, on the other hand can also as the centralized positioning guiding auxiliary element of disk spring assembly, be conducive to the normal work of disk spring assembly, also owing to being provided with orienting sleeve in the outer ring of disk spring assembly, then, under the guiding of the orienting sleeve set by disk spring assembly outer ring, disk spring assembly can keep good working order, ensures the normal work of disk spring assembly.
A kind of preferred implementation of the present utility model, described spring assembly comprises a group switching centre disk spring assembly and four groups of bight disk spring assemblies, and four groups of bight disk spring components distributions are in center disk spring assembly surrounding.Adopt this embodiment, described spring assembly all adopts disk spring assembly to be used as cushioning shock absorber, based on center disk spring, be aided with four groups of bight disk spring assemblies of surrounding, take full advantage of the free space of box house, the buffering damping capaicty of whole spring assembly is stronger, and efficiency is higher.
Another kind of preferred implementation of the present utility model, the external diameter of described center each disc spring film of disk spring assembly is 120 millimeters to 160 millimeters, and the thickness of disc spring film is 5 millimeters to 15 millimeters, and the internal diameter of disc spring film is 40 millimeters to 100 millimeters.Adopt this embodiment, the size of center disk spring assembly can be reached maximization in casing, ensure its buffering damping capaicty.
Another preferred implementation of the present utility model, described disk spring assembly comprises some groups of iterative dished spring groups, and each iterative dished spring group is made up of the disc spring film that 3 are superimposed with each other, and each two adjacent groups iterative dished spring group is mutually involutory.Adopt this embodiment, when disc spring film is superimposed with each other, due to the effect of surface friction drag between the disc spring film that is superimposed with each other, the effect absorbing impact and dissipation energy is more remarkable, each iterative dished spring group forms the energy dissipation effect that can ensure to be issued to optimum in the situation of disk spring assembly stable operation by the disc spring film that 3 are superimposed with each other, and each two adjacent groups iterative dished spring group is mutually involutory, the deflection often organizing iterative dished spring group is equal with the deflection of monolithic disc spring film, the total deformation of each mutually involutory iterative dished spring group is the deflection sum of involutory each iterative dished spring group, the specified cushion stroke requirement of spring assembly can be met like this.
The further preferred implementation of the utility model, described orienting sleeve comprises upper limit cover and lower limit cover, upper limit is set on spring perch, lower limit is set on casing, upper limit cover lower surface and lower limit put end face and have groove, the degree of depth of groove is greater than the stroke of disk spring assembly, and upper limit cover and lower limit cover are by the mutual grafting of groove.Adopt this embodiment, upper limit cover and lower limit overlap the orienting sleeve formed is socketed on disk spring assembly respectively outer ring from upper/lower terminal, disk spring assembly is carried out spacing with guiding, ensure that deflection dislocation does not occur disk spring assembly in the course of the work, the mutual grafting of groove that upper limit cover is opened by respective end face with lower limit cover, can not affect the length variations in disk spring component operation stroke while on disk spring assembly in addition guide and limit, the job requirement of disk spring can be adapted to well.
Another further preferred implementation of the utility model, two pieces of curved surfaces that described friction component comprises cross-sectional plane S-type move plate, these two pieces of curved surfaces move plate and are divided into center wedge both sides, two pieces of curved surfaces move plate and are bearing on spring perch, the side that each curved surface moves plate contacts with outer stationary plates and connects, outer stationary plates is fixedly connected in casing, the opposite side that each curved surface moves plate is connected with fixing swash plate one side contacts, fixing swash plate is connected in casing, the opposite side of fixing swash plate is connected with voussoir one side contacts, the opposite side of voussoir is by it, lower two inclined-planes contact with spring perch with center wedge respectively and connect.Adopt this embodiment, the plane that the curved surface that curved surface moves plate obviously moves plate than prior art has larger face area, thus also just larger friction force can be produced, in unit area stressed equal, its contact surface can bear larger positive pressure, the friction drag making curved surface move plate and to produce between fixing swash plate and outer stationary plates strengthens, also just more impact kinetic energy can be consumed, and the active area that the impact kinetic energy consumed and curved surface move plate is directly proportional, like this, the efficiency of whole shock absorber will be higher.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, efficient train shock absorber of the present utility model is described in further detail.
Fig. 1 is the structural representation of the efficient train shock absorber of the utility model;
Fig. 2 is the birds-eye view of structure shown in Fig. 1;
Fig. 3 is the enlarged diagram of spring assembly part in structure shown in Fig. 1;
Fig. 4 is the cutaway view in structure shown in Fig. 1;
Fig. 5 is the enlarged diagram of friction component part in structure shown in Fig. 1.
In figure: 1-casing, 2-friction component, 21-center wedge, 22-curved surface move plate, 23-voussoir, 24-outer stationary plates, 25-fix swash plate, 3-restoring spring, 4-spring assembly, 41-spring perch, 42-disk spring assembly, 43-disk spring sheet, 44-orienting sleeve, 441-upper limit cover, 442-lower limit cover, 443-groove, 45-elastic rubber column, 46-bight disk spring assembly, 47-center disk spring assembly.
Detailed description of the invention
In the efficient train shock absorber shown in Fig. 1 and Fig. 2, casing 1 is the housing shape component of the one end open in cuboid, friction component 2 is installed on the open end of casing 1, spring assembly 4 is arranged in casing 1, friction component 2 is bearing on spring assembly 4, and restoring spring 3 is installed between the center wedge 21 of friction component 2 and the spring perch 41 of spring assembly 4.
As shown in Figure 3 and Figure 4, spring assembly 4 is made up of five groups of disk spring assemblies 42, wherein disk spring assembly 47 centered by a group, four groups is bight disk spring assembly 46, the specification of center disk spring assembly 47 is greater than the specification of bight disk spring assembly 46, and four groups of bight disk spring assemblies 46 are distributed in center disk spring assembly 47 surrounding, each disk spring assembly 42 is combined by some disk spring sheets 43, comprising some groups of iterative dished spring groups, each iterative dished spring group is made up of 3 disc spring films be superimposed with each other 43, each two adjacent groups iterative dished spring group is mutually involutory, described being superimposed as between each disc spring film 43 is installed by same direction overlap, described to being combined into each disc spring film 43 or superimposed spring assembly is installed on the contrary by different directions, disk spring assembly 42 is installed between casing 1 inner bottom part and spring perch 41, elastic rubber column 45 is provided with in the endoporus of disk spring assembly 42, further increasing buffering efficiency, the outer ring of disk spring assembly 42 is provided with orienting sleeve 44, orienting sleeve 44 overlaps 442 by upper limit cover 441 and lower limit and combines, upper limit cover 441 is arranged on spring perch 41, fixedly mounted by screw, lower limit cover 443 is arranged on casing 1 inner bottom part, installed fixing by screw, upper limit overlaps 441 lower surfaces and lower limit and overlaps 442 upper surfaces and have groove 443, the degree of depth of groove 443 is greater than the stroke of disk spring assembly 42, groove 443 upper limit cover 441 and lower limit overlap 442 jacket walls be circumferentially uniformly distributed and recess width than groove between part width slightly large, such upper limit cover 441 and lower limit overlap 442 by groove 443 grafting mutually, in center disk spring assembly 47, the external diameter of each disc spring film 43 is 120 millimeters to 160 millimeters, the thickness of disc spring film 43 is 5 millimeters to 15 millimeters, the internal diameter of disc spring film 43 is 40 millimeters to 100 millimeters, like this, disc spring film 43 can be made on the one hand by larger load-carrying capacity can be had after combination, meet the operating needs of shock absorber, the size of center disk spring assembly 47 can be reached maximization in casing 1 on the other hand, ensure that the buffering damping capaicty of shock absorber.
As shown in Figure 5, two pieces of curved surfaces that friction component 2 comprises cross-sectional plane S-type move plate 22, these two pieces of curved surfaces move plate 22 and are divided into center wedge 21 both sides, two pieces of curved surfaces move plate 22 and are bearing on spring perch 41, the side that each curved surface moves plate 22 contacts with outer stationary plates 24 and connects, outer stationary plates 24 is fixedly connected in casing 1 by set chimb in the flange of casing 1 opening part and casing 1, the opposite side that each curved surface moves plate 22 is connected with fixing swash plate 25 1 side contacts, the same flange by casing 1 opening part of fixing swash plate 25 and the interior set chimb of casing 1 are connected in casing 1, the opposite side of fixing swash plate 25 is connected with voussoir 23 1 side contacts, the opposite side of voussoir 23 is by it, lower two inclined-planes contact with spring perch 41 with center wedge 21 respectively and connect, center wedge 21 is stretched out outside casing 1, curved surface moves plate 22 and stretches out outside casing 1 equally, it is contour and lower than center wedge 21 upper surface that two curved surfaces move plate 22 upper surface.In practical work process, first center wedge 21 is squeezed, clamp curved surface by the fixing swash plate 25 of voussoir 23 promotion and move plate 22, moving plate 22 with rear curved surface is also squeezed descending, curved surface moves plate 22 and produces larger friction with fixing swash plate 25 and outer stationary plates 24, consume part impact kinetic energy, and promote spring perch 41 compression spring assembly 4 downwards, the impact kinetic energy of remainder is converted into the elastic potential energy of spring assembly 4, the buffering efficiency higher by spring assembly 4 consumes better, has cushioned the impact kinetic energy produced between compartment.
Below detailed description of the invention more of the present utility model are only listed, but the utility model is not limited in this, more improvement and conversion can also be made, as as described in spring assembly 4 may not be and be made up of a group switching centre disk spring assembly 47 and four groups of bight disk spring assemblies 46, but by disk spring assembly 42 uniform arrangement in casing of four groups of same specifications; Can also one group of disk spring assembly 42 be only adopted to form; Each iterative dished spring group described may not be and is made up of 3 disc spring films be superimposed with each other 43, but is made up of 2 or 4 disc spring films be superimposed with each other 43.And so on, as long as improvement done on the utility model groundwork basis and conversion, all should be considered as falling in protection domain of the present utility model.
Claims (6)
1. an efficient train shock absorber, comprise casing (1), friction component (2), spring assembly (4) and restoring spring (3), described friction component (2) is installed on the open end of casing (1), described spring assembly (4) is arranged in casing (1), friction component (2) is bearing on spring assembly (4), described restoring spring (3) is installed between the center wedge (21) of friction component (2) and the spring perch (41) of spring assembly (4), it is characterized in that: described spring assembly (4) comprises at least one group of disk spring assembly (42), this disk spring assembly (42) is combined by some disk spring sheets (43), disk spring assembly (42) is installed between casing (1) inner bottom part and spring perch (41), elastic rubber column (45) is provided with in the endoporus of disk spring assembly (42), the outer ring of disk spring assembly (42) is provided with orienting sleeve (44).
2. efficient train shock absorber according to claim 1, it is characterized in that: described spring assembly (4) comprises a group switching centre disk spring assembly (47) and four groups of bights disk spring assembly (46), four groups of bights disk spring assembly (46) are distributed in center disk spring assembly (47) surrounding.
3. efficient train shock absorber according to claim 2, it is characterized in that: the external diameter of described center disk spring assembly (47) each disc spring film (43) is 120 millimeters to 160 millimeters, the thickness of disc spring film (43) is 5 millimeters to 15 millimeters, and the internal diameter of disc spring film (43) is 40 millimeters to 100 millimeters.
4. efficient train shock absorber according to claim 1, it is characterized in that: described disk spring assembly (42) comprises some groups of iterative dished spring groups, each iterative dished spring group is made up of 3 disc spring films be superimposed with each other (43), and each two adjacent groups iterative dished spring group is mutually involutory.
5. efficient train shock absorber according to claim 1, it is characterized in that: described orienting sleeve (44) comprises upper limit cover (441) and lower limit cover (442), upper limit cover (441) is arranged on spring perch (41), lower limit cover (443) is arranged on casing (1), upper limit cover (441) lower surface and lower limit cover (442) upper surface have groove (443), the degree of depth of groove (443) is greater than the stroke of disk spring assembly (42), and upper limit cover (441) and lower limit cover (442) are by groove (443) grafting mutually.
6. efficient train shock absorber according to claim 1, it is characterized in that: two pieces of curved surfaces that described friction component (2) comprises cross-sectional plane S-type move plate (22), these two pieces of curved surfaces move plate (22) and are divided into center wedge (21) both sides, two pieces of curved surfaces move plate (22) and are bearing on spring perch (41), the side that each curved surface moves plate (22) contacts with outer stationary plates (24) and connects, outer stationary plates (24) is fixedly connected in casing (1), the opposite side that each curved surface moves plate (22) is connected with fixing swash plate (25) side contacts, fixing swash plate (25) is connected in casing (1), the opposite side of fixing swash plate (25) is connected with voussoir (23) side contacts, the opposite side of voussoir (23) is by it, lower two inclined-planes contact with spring perch (41) with center wedge (21) respectively and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014696.3U CN204399189U (en) | 2015-01-09 | 2015-01-09 | Efficient train shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014696.3U CN204399189U (en) | 2015-01-09 | 2015-01-09 | Efficient train shock absorber |
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| CN204399189U true CN204399189U (en) | 2015-06-17 |
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| CN201520014696.3U Expired - Fee Related CN204399189U (en) | 2015-01-09 | 2015-01-09 | Efficient train shock absorber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108974042A (en) * | 2018-08-20 | 2018-12-11 | 马钢集团设计研究院有限责任公司 | A kind of heavy goods vehicles buffering car bumper device |
| CN109058377A (en) * | 2018-07-27 | 2018-12-21 | 同济大学 | A kind of quasi- zero stiffness damper for bullet train floor |
| CN107630970B (en) * | 2017-10-17 | 2024-02-20 | 株洲时代新材料科技股份有限公司 | Liquid compound spring for gear box hydraulic supporting device |
-
2015
- 2015-01-09 CN CN201520014696.3U patent/CN204399189U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630970B (en) * | 2017-10-17 | 2024-02-20 | 株洲时代新材料科技股份有限公司 | Liquid compound spring for gear box hydraulic supporting device |
| CN109058377A (en) * | 2018-07-27 | 2018-12-21 | 同济大学 | A kind of quasi- zero stiffness damper for bullet train floor |
| CN109058377B (en) * | 2018-07-27 | 2020-07-28 | 同济大学 | Quasi-zero rigidity shock absorber for high-speed train floor |
| CN108974042A (en) * | 2018-08-20 | 2018-12-11 | 马钢集团设计研究院有限责任公司 | A kind of heavy goods vehicles buffering car bumper device |
| CN108974042B (en) * | 2018-08-20 | 2020-04-14 | 马钢集团设计研究院有限责任公司 | Buffer stop device for heavy-duty vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20160109 |