CN200981562Y - Buffer for railway vehicle - Google Patents
Buffer for railway vehicle Download PDFInfo
- Publication number
- CN200981562Y CN200981562Y CN 200620173404 CN200620173404U CN200981562Y CN 200981562 Y CN200981562 Y CN 200981562Y CN 200620173404 CN200620173404 CN 200620173404 CN 200620173404 U CN200620173404 U CN 200620173404U CN 200981562 Y CN200981562 Y CN 200981562Y
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- China
- Prior art keywords
- spring
- casing
- buffer
- energy disperser
- elastic cement
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Abstract
A buffer for railway vehicles comprises a box body, a support locating inside the box body, a wedge buffer portion locating in the upper portion of the box body, a spring buffer portion locating in the bottom portion of the box body, wherein the spring buffer portion comprises a central spring and angle springs locating around the central spring, and one end of the central spring and the angle springs presses against the bottom wall of the box body, the other end presses against the support, and the wedge buffer portion comprises a central wedge and two wedges which are symmetrically provided by adopting the central wedge to be the centre, the central wedge and the two wedges has friction oblique planes which are engaged with each other, the buffer further comprises an elastic mortar buffer device which is provided in the centre of the central spring, and the front end of the elastic mortar buffer device presses against the support, the rear end of the elastic mortar buffer device presses against the bottom wall of the box body. The buffer for railway vehicles of the utility model has a convenient maintenance and a good buffer capability.
Description
Technical field
The utility model relates to a kind of energy disperser of rolling stock, especially relates to the energy disperser that a kind of friction-type energy disperser and elastic cement formula energy disperser combine.
Background technology
The energy disperser that uses in the rolling stock be used for relaxing train be in operation owing to the variation of the locomotive tractive effort or when starting, braking and the shunting service vehicle collide longitudinal impact and the vibration that causes mutually.Energy disperser has the function of shock and vibration between the dissipation vehicle, thereby alleviates the destructive effect to body construction and lade.The principle of work of energy disperser is to relax impact forces by means of compression elastic element, utilizes friction and damping to absorb impact energy simultaneously in the elastic element deformation process.
According to the architectural feature and the principle of work of energy disperser, energy disperser can be divided into: friction-type energy disperser, elastic cement body energy disperser and water bumper etc.
In general, friction buffer is made up of forward and backward two parts, and anterior the rear portion is the inner and outer rings spring, matches with the conical surface each other in order to encircle spring, has spring seat board to separate between two parts.Coil spring is used for relaxing impact forces, and the friction force between ring spring two sliding bevels is used for playing endergonic effect.When energy disperser was subjected to force compresses, each encircled mutual extrusion, had at this moment just stored most impact energy in the outer ring spring; Because of the phase mutual friction a part of impact energy is become heat energy between the inclined-plane of each inside and outside cup spring simultaneously.After external force is removed, produce friction between each cup spring again, change the part of stored energy into frictional heat energy again and dissipate, thereby played the effect of buffering and vibration damping.The shortcoming of this friction-type energy disperser is that the wearing and tearing of various friction members make that more greatly friction-type energy disperser maintenance task is heavier, and the integrated buffer performance is undesirable.
In general, the head of elastic cement body energy disperser is the voussoir friction portion, the voussoir of and band leaning angle identical by three shapes, and pressure head and casing etc. are partly formed, and voussoir is between pressure head and casing, and whole energy disperser is enclosed in the casing.Elastic cement body energy disperser plays impact and the consumed energy effect of relaxing by elastic cement body molecule internal friction and elastic deformation.In order to increase buffer capacity, at head the metal friction part is housed, by the voussoir that has the inclination angle, when pressurized with between casing and pressure head, respectively contact inclined-plane generation relative displacement, because of friction consumes impact energy.The shortcoming of this elastic cement body energy disperser is, the friction between voussoir and the molecule internal friction and the elastic deformation of elastic cement body are relied in the realization of cushion characteristic fully, cause the integrated buffer performance undesirable.
Summary of the invention
The purpose of this utility model provides a kind of energy disperser that is used for rolling stock, and its maintenance is more convenient and cushion characteristic good.
For achieving the above object, the utility model provides a kind of energy disperser that is used for rolling stock, and described energy disperser comprises: casing; Supporting seat is arranged in described casing; Spring buffer portion is positioned at the bottom of described casing, and comprises central spring and be positioned at described central spring a plurality of angles spring on every side, and described central spring and described angle spring all are resisted against between the diapire and described supporting seat of described casing; The voussoir buffer part, be positioned at the top of described casing, and comprise fixedly swash plate of center wedge, two voussoirs and two, described two voussoirs and two fixedly swash plate are that the center is symmetrical arranged with described center wedge all, and described two fixedly swash plate be fixed on the top of described casing, described center wedge and described voussoir have the friction inclined-plane that is fitted to each other, and described fixedly swash plate and described voussoir have the friction inclined-plane that is fitted to each other; And the elastic cement shock absorber, the central authorities that it is positioned at the bottom of described casing and is arranged at described central spring, the front end of described elastic cement shock absorber is resisted against the diapire that described supporting seat rear end is resisted against described casing.
According to technical conceive of the present utility model, described voussoir buffer part also comprises two moving plates, an end of each described moving plate be resisted against described supporting seat and the other end extend through a described fixedly swash plate with the friction of described fixedly swash plate.
According to technical conceive of the present utility model, described elastic cement shock absorber comprises cylinder body, be arranged in the piston of this cylinder body and the described cylinder body of hermetically passing and with this piston bonded assembly piston rod, be provided with the elastic cement body in the described cylinder body, and the gap of passing through when having for described elastic cement body pressurized between the inwall of the outer rim of described piston and described cylinder body.
According to technical conceive of the present utility model, on described cylinder body, be arranged with the orienting sleeve that is used to guide described piston rod movement.
According to technical conceive of the present utility model, the elastic cement body that is provided with in the described elastic cement shock absorber is an organopolysiloxane.
Compared with prior art, advantage of the present utility model and beneficial effect are, utilize voussoir buffer part and spring buffer portion and elastic cement body shock absorber to realize that jointly the utility model is used for the pooling feature of the energy disperser of rolling stock, the integrated buffer performance ratio is more satisfactory, thus and the less maintenance of being convenient to energy disperser of the wearing and tearing of various friction members.
Description of drawings
Fig. 1 is the front view of energy disperser of the present utility model, wherein for ease of observe with bumper portion cut open.
Fig. 2 is the left view of energy disperser of the present utility model, wherein for ease of observe with bumper portion cut open.
Fig. 3 is the front view of center wedge of the present utility model, wherein for ease of observing voussoir is partly cut open.
Fig. 4 is the front view of voussoir of the present utility model, wherein for ease of observing voussoir is partly cut open.
Fig. 5 is the cutaway view of elastic cement shock absorber of the present utility model.
The specific embodiment
In order to further specify principle of the present utility model and structure, now in conjunction with the accompanying drawings preferred embodiment of the present utility model is elaborated, yet the described embodiment usefulness for furnishing an explanation and explaining only can not be used for limiting scope of patent protection of the present utility model.
Fig. 1 is the front view of energy disperser of the present utility model, wherein for ease of observe with bumper portion cut open.Fig. 2 is the left view of energy disperser of the present utility model, wherein for ease of observe with bumper portion cut open.
As depicted in figs. 1 and 2, the utility model provides a kind of energy disperser that is used for rolling stock, comprising: casing 11; Supporting seat 12 is arranged in casing 11; The voussoir buffer part is arranged in the top (being the top of Fig. 1 and Fig. 2) of casing 11; Spring buffer portion is arranged in the bottom (being the below of Fig. 1 and Fig. 2) of casing 11; And elastic cement shock absorber 1, be positioned at the central authorities of described spring buffer portion.The front end of described elastic cement shock absorber 1 is resisted against described supporting seat 12, and the rear end of described elastic cement shock absorber 1 is resisted against the diapire of described casing 11.
The full form casting process production of the foundry technique of the hull shape shell core that supporting seat 12 adopting process are stable and aluminium chloride+crystallization magnesium chloride compound shell-producing is to guarantee the dimensional accuracy of supporting seat 12.
Described spring buffer portion comprises central spring 16 and is positioned at four angle springs 17 around the described central spring 16 that the diapire and the other end that described central spring 16 and described angle spring 17 homogeneous ends are resisted against described casing 11 are resisted against described supporting seat 12.When energy disperser of the present utility model was subjected to impact effect, described central spring 16 and described angle spring 17 were gone back the phase mutual friction the part impact energy is converted into heat energy and distributes except that being compressed with the storage impact energy between the two.
Described central spring 16 and described angle spring 17 can adopt 60Si2CrVAT Special spring steel to be made by hot rolling technology, to guarantee the performance and the build guality of described central spring 16 and described angle spring 17.
Fig. 3 is the front view of center wedge of the present utility model, wherein for ease of observing voussoir is partly cut open.Fig. 4 is the front view of voussoir of the present utility model, wherein for ease of observing voussoir is partly cut open.
Referring to Fig. 1 to Fig. 4, voussoir buffer part of the present utility model comprises center wedge 15 and is symmetrically arranged two voussoirs 13 in center with described center wedge 15, described center wedge 15 has the friction inclined-plane that is fitted to each other with described voussoir 13, so that under the effect of external force, described center wedge 15 and described voussoir 13 mutual friction mutually distribute so that the part impact energy is converted into heat energy.
The energy disperser that is used for rolling stock of the present utility model can also comprise restoring spring 18 (seeing Fig. 1 and Fig. 2), one end of restoring spring 18 is resisted against center wedge 15, the other end is resisted against supporting seat 12, so that center wedge 15 is under external force after casing 11 bottom displacements, under the effect of the elastic force of restoring spring 18, reset.
In order to increase the capacity of energy disperser, described voussoir buffer part can also comprise two fixedly swash plates 19, described two fixedly swash plate 19 be fixed on the top of described casing 11, and with described center wedge 15 is that the center is symmetrical arranged, described fixedly swash plate 19 has the friction inclined-plane that is fitted to each other with described voussoir 13, with masterpiece time spent outside, described fixedly swash plate 19 and described voussoir 13 mutual friction mutually distribute so that the part impact energy is converted into heat energy, thereby can further improve the cushion characteristic of energy disperser.Fixedly swash plate 19 is made of metal.
In order further to increase the capacity of energy disperser, described voussoir buffer part can also comprise two moving plates 14, and an end of each moving plate 14 is resisted against described supporting seat 12, and the other end extends through described fixedly swash plate 19 rubbing with described fixedly swash plate 19.When energy disperser of the present utility model was subjected to impact effect, moving plate 14 and fixedly can the phase mutual friction between the swash plate 19 distributed so that the part impact energy is converted into heat energy, thereby can further improve the cushion characteristic of energy disperser.Moving plate 14 is tabular and is made of metal.
Fig. 5 is the cutaway view of elastic cement shock absorber of the present utility model.
As shown in Figure 5, elastic cement shock absorber 1 comprises: cylinder body 103 cylindraceous is provided with elastic cement body 103 in the cylinder body 103; Piston 101 has the gap of passing through for described elastic cement body 103 between the inwall of the outer rim of piston 101 and described cylinder body 103; Piston rod 102, one ends are connected with described piston 101 and the described cylinder body 103 of other end hermetically passing; And hermetically-sealed construction 107, it makes described piston rod 102 pass through described cylinder body 103 by leak free.Certainly, the structure of elastic cement shock absorber 1 of the present utility model is not limited thereto, but can adjust arbitrarily in goal of the invention scope of the present utility model.
Preferably, described piston rod 102 is connected with the orienting sleeve 105 that is used to guide described piston rod 102, and described orienting sleeve 105 is set on the periphery of described cylinder body 103.
Preferably, the elastic cement body 103 that is provided with in the described elastic cement shock absorber 1 is an organopolysiloxane.
Now with the simple declaration working process that is used for the energy disperser of rolling stock of the present utility model.
When center voussoir 15 is subjected to impact towards casing 11 bottom direction, center wedge 15 is towards casing 11 bottom direction displacements, thereby cause between described center wedge 15 and the described voussoir 16, between described fixedly swash plate 19 and the described voussoir 13 and moving plate 14 and fixedly produce friction between the swash plate 19, above-mentioned friction is converted into heat energy with the part impact energy and distributes.
Then, moving plate 14 and center wedge 15 are delivered to supporting seat 12 with impact, be delivered to described central spring 16 and described angle spring 17 by supporting seat 12 again, thereby cause the compression of described central spring 16 and described angle spring 17 and the phase mutual friction between central spring 16 and the described angle spring 17, the compression of described central spring 16 and described angle spring 17 stores away the part impact potential, and the phase mutual friction between the two will be distributed so that the part impact energy is converted into heat energy.
Simultaneously, by supporting seat 12 impact has been delivered to elastic cement shock absorber 1.Piston rod 102 is under the guiding of orienting sleeve 105, promoting piston 101 moves forward (promptly, right-hand side in Fig. 5 moves), elastic cement body 103 is under the effect of pressure, when the change by the strand form produced compression, (promptly the left-hand side in Fig. 5 moves) moved in the space between the outer rim by piston 101 and the inwall of described cylinder body 103 backward.In the change process of the compressive deformation of elastic cement body 103 and molecular conformation,, consume the part impact energy by intermolecular friction.
After external force was eliminated, elastic cement body 103 produced bounce-back by the elastic potential energy between molecular bond, thereby piston 101 is resetted.Simultaneously, described central spring 16 and described angle spring 17 also discharge the impact energy that stores, and by the two friction each other with release energy the part be converted into heat, supporting seat 12 moves to the top of casing 11 under the common promotion of piston rod 102 and described central spring 16 and described angle spring 17.
Under the ejection of supporting seat 12, between described center wedge 15 and the described voussoir 16, between described fixedly swash plate 19 and the described voussoir 13 and moving plate 14 and fixedly rubbing between the swash plate 19, distribute thereby further the impact energy that stores in elastic cement shock absorber 1 and described central spring 16 and the described angle spring 17 partly is converted into heat energy.
To sum up, the utility model provides a kind of energy disperser that is used for rolling stock, and its maintenance is more convenient and cushion characteristic is good.
Claims (5)
1. an energy disperser that is used for rolling stock is characterized in that, described energy disperser comprises:
Casing;
Supporting seat is arranged in described casing;
Spring buffer portion is positioned at the bottom of described casing, and comprises central spring and be positioned at described central spring a plurality of angles spring on every side, and described central spring and described angle spring all are resisted against between the diapire and described supporting seat of described casing;
The voussoir buffer part, be positioned at the top of described casing, and comprise fixedly swash plate of center wedge, two voussoirs and two, described two voussoirs and two fixedly swash plate are that the center is symmetrical arranged with described center wedge all, and described two fixedly swash plate be fixed on the top of described casing, described center wedge and described voussoir have the friction inclined-plane that is fitted to each other, and described fixedly swash plate and described voussoir have the friction inclined-plane that is fitted to each other; And
The elastic cement shock absorber, the central authorities that it is positioned at the bottom of described casing and is arranged at described central spring, the front end of described elastic cement shock absorber is resisted against the diapire that described supporting seat rear end is resisted against described casing.
2. energy disperser as claimed in claim 1 is characterized in that, described voussoir buffer part also comprises two moving plates, an end of each described moving plate be resisted against described supporting seat and the other end extend through a described fixedly swash plate with the friction of described fixedly swash plate.
3. energy disperser as claimed in claim 1, it is characterized in that, described elastic cement shock absorber comprises cylinder body, be arranged in the piston of this cylinder body and the described cylinder body of hermetically passing and with this piston bonded assembly piston rod, be provided with the elastic cement body in the described cylinder body, and the gap of passing through when having for described elastic cement body pressurized between the inwall of the outer rim of described piston and described cylinder body.
4. energy disperser as claimed in claim 3 is characterized in that, is arranged with the orienting sleeve that is used to guide described piston rod movement on described cylinder body.
5. energy disperser as claimed in claim 1 is characterized in that, the elastic cement body that is provided with in the described elastic cement shock absorber is an organopolysiloxane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620173404 CN200981562Y (en) | 2006-12-18 | 2006-12-18 | Buffer for railway vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620173404 CN200981562Y (en) | 2006-12-18 | 2006-12-18 | Buffer for railway vehicle |
Publications (1)
Publication Number | Publication Date |
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CN200981562Y true CN200981562Y (en) | 2007-11-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200620173404 Expired - Lifetime CN200981562Y (en) | 2006-12-18 | 2006-12-18 | Buffer for railway vehicle |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606661A (en) * | 2012-03-26 | 2012-07-25 | 南车二七车辆有限公司 | Elastic damping and buffering core body for friction type buffer of rail wagon |
CN103373368A (en) * | 2012-04-27 | 2013-10-30 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer and wagon |
CN103481904A (en) * | 2013-09-25 | 2014-01-01 | 吴江骏达电梯部件有限公司 | Elasticity modulus adjustable vehicle hanging buffer structure |
CN107650940A (en) * | 2017-09-20 | 2018-02-02 | 中国铁道科学研究院金属及化学研究所 | A kind of locomotive traction buffer unit |
CN112193267A (en) * | 2020-11-09 | 2021-01-08 | 大连交通大学 | Combined buffer containing movable plate and lining plate |
-
2006
- 2006-12-18 CN CN 200620173404 patent/CN200981562Y/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102606661A (en) * | 2012-03-26 | 2012-07-25 | 南车二七车辆有限公司 | Elastic damping and buffering core body for friction type buffer of rail wagon |
CN103373368A (en) * | 2012-04-27 | 2013-10-30 | 齐齐哈尔轨道交通装备有限责任公司 | Buffer and wagon |
CN103373368B (en) * | 2012-04-27 | 2016-02-10 | 中国铁路总公司 | Energy disperser and railway truck |
CN103481904A (en) * | 2013-09-25 | 2014-01-01 | 吴江骏达电梯部件有限公司 | Elasticity modulus adjustable vehicle hanging buffer structure |
CN107650940A (en) * | 2017-09-20 | 2018-02-02 | 中国铁道科学研究院金属及化学研究所 | A kind of locomotive traction buffer unit |
CN107650940B (en) * | 2017-09-20 | 2024-04-12 | 中国铁道科学研究院金属及化学研究所 | Traction buffer device for locomotive |
CN112193267A (en) * | 2020-11-09 | 2021-01-08 | 大连交通大学 | Combined buffer containing movable plate and lining plate |
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CX01 | Expiry of patent term |
Granted publication date: 20071128 |
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EXPY | Termination of patent right or utility model |