CN101607562B - Journal spring buffering method for railbound vehicle bogie and journal spring - Google Patents
Journal spring buffering method for railbound vehicle bogie and journal spring Download PDFInfo
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- CN101607562B CN101607562B CN200910043954XA CN200910043954A CN101607562B CN 101607562 B CN101607562 B CN 101607562B CN 200910043954X A CN200910043954X A CN 200910043954XA CN 200910043954 A CN200910043954 A CN 200910043954A CN 101607562 B CN101607562 B CN 101607562B
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Abstract
The invention relates to a goods van journal spring buffering method used for a railbound vehicle bogie and a journal spring. The method adopts a two-stage buffering way. The journal spring is a composite journal spring formed by combining a main spring and an assistant spring, wherein the main spring still adopts the prior metal-rubber composite conical spring, and a shearing stress frustum rubber pad assistant spring is arranged on the main spring. The shearing stress frustum rubber pad assistant spring is arranged on the main spring, thereby buffering by bearing shearing force when the main spring is compressed and contacted with the assistant spring. The composite journal spring is formed by combining a main spring and a shearing stress frustum rubber pad assistant spring, wherein the main spring is a metal-rubber composite conical spring, and the shearing stress frustum rubber pad assistant spring is connected to the main spring in series. The invention adopts a combination structure of the main spring and the assistant spring, utilizes the rubber to play the elastic buffering role, vertically, longitudinally and transversely provides flexible supporting and positioning for the bogie, transfers traction and brake force during running and improves the running quality of vehicles.
Description
Technical field
The invention belongs to a kind of railway vehicle vibration damping method and parts, be meant lorry journal box spring oscillation damping method and journal box spring that a kind of rail vehicle truck is used especially, be mainly used in the rubber elastic element that various rail vehicle trucks use, also go for any damping elastomer bonded assembly positions such as construction machinery and equipment simultaneously.
Background technology
Shaft box spring on the roller bearing adapter stabilizer bar steadily and safely is provided with in order to guarantee vehicle operating, and it is installed between axle box and the framework, and playing one is damping of vibrations.
At present, the lorry of domestic all vehicles all adopts the round metal steel spring to make shaft box spring, and the round metal steel spring that uses separately, its vertical, horizontal rigidity is identical and less, realize the different of shaft box spring vertical, horizontal rigidity and (particularly at a high speed) the desired big longitudinal rigidity that operates steadily is difficult to, for this reason, normal conditions are to set up the elasticity axlebox rod to improve longitudinal rigidity, but this can bring the bigger variation of bogie structure and the remarkable increase of weight.
It is quite general abroad to adopt metal-rubber composite conic spring to make shaft box spring, but situation from practice, under the unloaded and fully loaded two kinds of operating modes of vertical realization lorry, the requirement that wants to satisfy different vertical stiffnesses by existing metal-rubber composite conic spring is difficult; Therefore, the vertical amount of deflection problems of too of vehicle unloaded derailing performance and fully loaded back is difficult to obtain coordinate, and in addition, because the longitudinal rigidity of shaft box spring when unloaded is less, vehicle speed no-load and high stability is difficult to guarantee.
Summary of the invention
The objective of the invention is to deficiency at existing lorry journal box spring product, provide a kind of and can further improve metal-rubber composite conic spring performance, lorry journal box spring oscillation damping method and journal box spring that the rail vehicle truck that makes it to adapt to vehicle unloaded derailing performance and be fully loaded with the excessive requirement of the vertical amount of deflection in back is used.
According to the technology implementation scheme that purpose of the present invention proposed be: the lorry journal box spring oscillation damping method that a kind of rail vehicle truck is used, adopt two-stage vibration damping mode; Journal box spring is a main spring and the compound journal box spring that assist spring is combined to form; Main spring still adopts present metal-rubber composite conical spring; Supportingly on main spring be provided with a frustum rubber metal pad auxiliary spring that shearing-type is stressed.The stressed frustum rubber metal pad auxiliary spring of shearing-type is positioned on the main spring, gives vibration damping by bearing shearing force when main spring compression contacts with it.The vibration damping of journal box spring is divided into the two-stage vibration damping, realize that at vertical employing rigidity series system zero load and fully loaded different-stiffness satisfy the requirement of vehicle operating to the product vertically changing rigidity, simultaneously adopt the rigidity parallel way to realize unloaded and the big vertical, horizontal rigidity of fully loaded when particularly unloaded (), with the stability of assurance vehicle high-speed cruising in vertical, horizontal.Compound journal box spring at first is main spring vibration damping, and the stressed frustum rubber metal pad auxiliary spring of master's spring and shearing-type contacts when main spring vibration damping is compressed to certain position, unites with main spring by the stressed frustum rubber metal pad auxiliary spring of shearing-type and carries out vibration damping.
Journal box spring according to above-mentioned journal box spring oscillation damping method made is: the lorry journal box spring that a kind of rail vehicle truck is used, comprise a main spring, main spring is a metal-rubber composite conical spring, on main spring, be serially connected with a shearing-type frustum rubber metal pad auxiliary spring, by main spring and the compound journal box spring that shearing-type frustum rubber metal pad auxiliary spring is combined to form.Described shearing-type frustum rubber metal pad auxiliary spring is a cone rubber platform shape, comprise a loam cake, a frustum rubber metal pad and a core retainer plate, the frustum rubber metal pad sulfides with loam cake and core retainer plate integral body respectively, in core retainer plate, also be inlaid with an orienting sleeve, and an outstanding axle is arranged on the mandrel of main spring, in the orienting sleeve on the core retainer plate of outstanding axle insertion shearing-type frustum rubber metal pad auxiliary spring, and can slide up and down along orienting sleeve.At light condition, the axle head of the outstanding axle of main spring and shearing-type frustum rubber metal pad auxiliary spring core retainer plate and guiding are with a gap, and this gap can be used for the initial compression of main spring.
The present invention adopts main spring and auxiliary spring unitized construction, utilize rubber bodies to bear the elastic damping function, being used for roller bearing adapter stabilizer bar one is vibration damping, and, vertical and horizontal vertical to framework provide resilient mounting and location, the transmitting tractive that is in operation power and braking force, reduce vibration, impact, improve the vehicle operating quality.Simultaneously, because product structure can be realized the difference of vertical, horizontal rigidity, reduced the configuration of axlebox rod, simplified bogie structure, lowered bogie truck weight, in addition rubber and metal piece be firm sulfuration adhesion and rubber lost efficacy with metal lost efficacy different, product reliability height, and non-maintaining during use.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is that the structural representation K of one embodiment of the present of invention is to view;
Fig. 3 is a vertical stiffness diagram of curves of the present invention;
Fig. 4 is vertical, horizontal stiffness curve figure of the present invention.
Among the figure: 1-auxiliary spring loam cake; 2-shearing-type frustum rubber metal pad auxiliary spring; The 3-core retainer plate; 4-master's spring overcoat; 5-master's spring; The 6-spacer; 7-master's spring mandrel; The 8-orienting sleeve; The outstanding axle of 9-master's spring mandrel; The axle head of the outstanding axle of 10-; 11-auxiliary spring frustum rubber metal pad; 12-master's spring cone rubber ring.
The specific embodiment
Accompanying drawing has provided one embodiment of the present of invention, below in conjunction with accompanying drawing the present invention is further described.
From accompanying drawing as can be seen, the lorry journal box spring oscillation damping method that the present invention uses for a kind of rail vehicle truck adopts two-stage vibration damping mode; Journal box spring is a main spring and the compound journal box spring that auxiliary spring is combined to form; Main spring still adopts present metal-rubber composite conical spring; Supportingly on main spring be provided with a frustum rubber metal pad auxiliary spring that shearing-type is stressed.The stressed frustum rubber metal pad auxiliary spring of shearing-type is positioned on the main spring, gives vibration damping by bearing shearing force when main spring compression contacts with it.The vibration damping of journal box spring is divided into the two-stage vibration damping, realize that at vertical employing rigidity series system zero load and fully loaded different-stiffness satisfy the requirement of vehicle operating to the product vertically changing rigidity, simultaneously adopt the rigidity parallel way to realize unloaded and the big vertical, horizontal rigidity of fully loaded when particularly unloaded (), with the stability of assurance vehicle high-speed cruising in vertical, horizontal.Compound journal box spring at first is main spring vibration damping, and the stressed frustum rubber metal pad auxiliary spring of master's spring and shearing-type contacts when main spring vibration damping is compressed to certain position, unites with main spring by the stressed frustum rubber metal pad auxiliary spring of shearing-type and carries out vibration damping.
Structure of the present invention is shown in attached Fig. 1 and 2, from accompanying drawing as can be seen, the lorry journal box spring that the present invention uses for a kind of rail vehicle truck, comprise a main spring 5, main spring 5 is a metal-rubber composite conical spring, and main spring 5 adopts multilayer taper ring-shaped rubber to make damping material, the taper ring-shaped rubber 12 of main spring 5 and main spring overcoat 4, spacer 6 and main spring mandrel 7 sulfuration adhesions, and when sulfidization molding, remove the rubber of A angular range, to guarantee the difference of vertical, horizontal rigidity.On main spring 5, be serially connected with a frustum rubber metal pad auxiliary spring 2 that shearing-type is stressed, by main spring 5 and the compound journal box spring that the stressed frustum rubber metal pad auxiliary spring 2 of shearing-type is combined to form.The stressed frustum rubber metal pad auxiliary spring 2 of described shearing-type is a cone rubber platform shape, comprise an auxiliary spring loam cake 1, a frustum rubber metal pad 11 and a core retainer plate 3, the frustum rubber metal pad 11 of the frustum rubber metal pad auxiliary spring 2 that shearing-type is stressed sulfides with auxiliary spring loam cake 1 and core retainer plate 3 integral body respectively, in core retainer plate 3, also be inlaid with an orienting sleeve 8, and an outstanding axle 9 is arranged on main spring mandrel 7, in the orienting sleeve 8 on the outstanding axle 9 insertion shearing-type frustum rubber metal pad auxiliary spring core retainer plates 3, and can slide up and down along orienting sleeve.At light condition, the axle head 10 of the outstanding axle 9 of main spring mandrel 7 is with a gap H with shearing-type frustum rubber metal pad auxiliary spring core retainer plate and guiding, and described gap can be used for the initial compression of main spring.Main spring 5 and shearing-type frustum rubber metal pad auxiliary spring 2 mechanical connections, the outstanding axle 9 of main spring mandrel 7 and orienting sleeve 8 bearing fits of shearing-type frustum rubber metal pad auxiliary spring 2.Under various load conditions, the rubber of the frustum rubber metal pad auxiliary spring 2 that the spacer 6 on the main spring and shearing-type are stressed does not contact.
The stressed frustum rubber metal pad auxiliary spring 2 of shearing-type links into an integrated entity by main spring 5 overcoat bottom outlets and frustum rubber metal pad auxiliary spring 2 loam cake machineries, and main spring 5 mandrels and frustum rubber metal pad auxiliary spring 2 core retainer plates 3 bearing fits are assembled together.Test results shows: when zero load, and main spring and the frustum rubber metal pad auxiliary spring 2 vertical gap H that exist, when vertical deviation (vibration), the vertical stiffness of product provides (the auxiliary spring influence is minimum) by main spring fully, and presents less rigidity characteristic.But because main spring mandrel 7 and frustum rubber metal pad auxiliary spring 2 core retainer plates 3 bearing fits, during the displacement of product vertical, horizontal (vibration), its vertical, horizontal rigidity is provided jointly by both, the vertical, horizontal rigidity of product is both sums in parallel of main and auxiliary spring, product presents bigger vertical, horizontal rigidity characteristic, has satisfied the requirement of the unloaded smooth operation of vehicle.
At at full load, main spring 5 and frustum rubber metal pad auxiliary spring 2 vertical being combined as a whole (the H gap is zero), when vertical deviation (vibration), the vertical stiffness of product is provided jointly by frustum rubber metal pad auxiliary spring 2 and frustum rubber metal pad auxiliary spring 2, and presents bigger rigidity characteristic.And owing to main spring mandrel 7 is combined together with frustum rubber metal pad auxiliary spring 2 core retainer plates 3, during the displacement of product vertical, horizontal (vibration), its vertical, horizontal rigidity is provided jointly by both, and because of the increasing of rubber precompressed degree, and product presents vertical, horizontal rigidity characteristic bigger when unloaded.Thereby realized the obvious raising (see figure 3) of product at full load vertical stiffness, simultaneously, also corresponding the bringing up to of product vertical, horizontal rigidity satisfied the required degree (see figure 4) of vehicle full-load run.The difference of product vertical, horizontal rigidity can realize by each layer rubber of removing main spring rubber part A angular range.
Claims (6)
1. the lorry journal box spring oscillation damping method that rail vehicle truck is used adopts two-stage vibration damping mode; Journal box spring is a main spring and the compound journal box spring that auxiliary spring is combined to form; Main spring still adopts present metal-rubber composite conical spring; Supportingly on main spring be provided with a frustum rubber metal pad auxiliary spring that shearing-type is stressed; The stressed frustum rubber metal pad auxiliary spring of shearing-type is positioned on the main spring, gives vibration damping by bearing shearing force when main spring compression contacts with it; It is characterized in that: the stressed frustum rubber metal pad auxiliary spring of described shearing-type is a cone rubber platform shape, comprise an auxiliary spring loam cake, a frustum rubber metal pad and a core retainer plate, the frustum rubber metal pad of the frustum rubber metal pad auxiliary spring that shearing-type is stressed sulfides with auxiliary spring loam cake and core retainer plate integral body respectively, in core retainer plate, also be inlaid with an orienting sleeve, and an outstanding axle is arranged on main spring mandrel, in the orienting sleeve on the outstanding axle insertion shearing-type frustum rubber metal pad auxiliary spring core retainer plate, and can slide up and down along orienting sleeve; At light condition, the axle head of the outstanding axle of main spring mandrel and shearing-type frustum rubber metal pad auxiliary spring core retainer plate and guiding are with a gap H, and described gap can be used for the initial compression of main spring; Main spring and shearing-type frustum rubber metal pad auxiliary spring mechanical connection, the outstanding axle of main spring mandrel and the orienting sleeve bearing fit of shearing-type frustum rubber metal pad auxiliary spring; Under various load conditions, the rubber of the frustum rubber metal pad auxiliary spring that the spacer on the main spring and shearing-type are stressed does not contact.
2. the lorry journal box spring oscillation damping method that rail vehicle truck as claimed in claim 1 is used, it is characterized in that: the stressed frustum rubber metal pad auxiliary spring of described shearing-type is positioned on the main spring, gives vibration damping by bearing shearing force when main spring compression contacts with it; Compound journal box spring at first is main spring vibration damping, and the stressed frustum rubber metal pad auxiliary spring of master's spring and shearing-type contacts when main spring vibration damping is compressed to certain position, unites with main spring by the stressed frustum rubber metal pad auxiliary spring of shearing-type and carries out vibration damping.
3. the lorry journal box spring oscillation damping method that rail vehicle truck as claimed in claim 1 is used, it is characterized in that: the vibration damping of described journal box spring is divided into the two-stage vibration damping, realize that at vertical employing rigidity series system zero load and fully loaded different-stiffness satisfy the requirement of vehicle operating to the product vertically changing rigidity, adopt the rigidity parallel way to realize unloaded and the big vertical, horizontal rigidity of fully loaded in vertical, horizontal simultaneously, to guarantee the stability of vehicle high-speed cruising.
4. lorry journal box spring of using according to the rail vehicle truck of claim 1 made, comprise a main spring, main spring is a metal-rubber composite conical spring, it is characterized in that: on main spring, be serially connected with a shearing-type frustum rubber metal pad auxiliary spring, by main spring and the compound journal box spring that shearing-type frustum rubber metal pad auxiliary spring is combined to form; Described shearing-type frustum rubber metal pad auxiliary spring is a cone rubber platform shape, comprise a loam cake, a frustum rubber metal pad and a core retainer plate, the frustum rubber metal pad sulfides with loam cake and core retainer plate integral body respectively, in core retainer plate, also be inlaid with an orienting sleeve, and an outstanding axle is arranged on the mandrel of main spring, in the orienting sleeve on the core retainer plate of outstanding axle insertion shearing-type frustum rubber metal pad auxiliary spring, and can slide up and down along orienting sleeve.
5. the lorry journal box spring that rail vehicle truck as claimed in claim 4 is used is characterized in that: at light condition, the axle head of the outstanding axle of main spring and shearing-type frustum rubber metal pad auxiliary spring core retainer plate and guiding are with a gap.
6. the lorry journal box spring that rail vehicle truck as claimed in claim 4 is used, it is characterized in that: described main spring adopts multilayer taper ring-shaped rubber to make damping material, the taper ring-shaped rubber of main spring and main spring overcoat, spacer and main spring mandrel sulfuration adhesion, and when sulfidization molding, remove the rubber of A angular range, to guarantee the difference of vertical, horizontal rigidity.
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CN200910043954XA CN101607562B (en) | 2009-07-24 | 2009-07-24 | Journal spring buffering method for railbound vehicle bogie and journal spring |
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CN200910043954XA CN101607562B (en) | 2009-07-24 | 2009-07-24 | Journal spring buffering method for railbound vehicle bogie and journal spring |
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JP5678073B2 (en) | 2010-09-22 | 2015-02-25 | 株式会社ブリヂストン | Vibration isolator |
CN102198835B (en) * | 2011-04-14 | 2012-12-12 | 株洲时代新材料科技股份有限公司 | Metal rubber combined elastic vibration reducing primary spring for axle box |
JP6308819B2 (en) * | 2014-03-10 | 2018-04-11 | 東洋ゴム工業株式会社 | Shaft spring |
CN109277500A (en) * | 2018-09-30 | 2019-01-29 | 福州大学 | Hollow round table shape metal-rubber component preparation method based on braided metal silk screen |
CN109261852A (en) * | 2018-09-30 | 2019-01-25 | 福州大学 | Hollow round table metal-rubber component preparation process based on spiral metal wire winding |
CN110005739A (en) * | 2019-03-21 | 2019-07-12 | 柳州日高汽车减振技术有限责任公司 | A kind of novel limiting block structure |
DE102019005092B4 (en) * | 2019-07-22 | 2022-05-12 | Sumitomo Riko Company Limited | Vibration damper and method for manufacturing a vibration damper |
CN110617293A (en) * | 2019-09-26 | 2019-12-27 | 湖南铁路科技职业技术学院 | Variable-stiffness axle box spring vibration reduction method and spring |
CN111071278B (en) * | 2020-01-14 | 2021-01-22 | 株洲时代瑞唯减振装备有限公司 | Method and structure for adjusting vertical rigidity of primary suspension device |
CN111692258B (en) * | 2020-05-18 | 2021-12-03 | 北京智天新航科技有限公司 | Shock-resistant rubber shock absorber |
CN113977489B (en) * | 2021-11-15 | 2023-07-25 | 株洲时代瑞唯减振装备有限公司 | Single-piece stiffness test tool for V-shaped spring of railway vehicle |
CN114228768B (en) * | 2022-01-04 | 2024-02-27 | 西南交通大学 | Axle box bogie in rail vehicle |
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