CN2547546Y - Abrasion-free non-linear-damping combined vibration-damp locating spring - Google Patents

Abrasion-free non-linear-damping combined vibration-damp locating spring Download PDF

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Publication number
CN2547546Y
CN2547546Y CN 02224228 CN02224228U CN2547546Y CN 2547546 Y CN2547546 Y CN 2547546Y CN 02224228 CN02224228 CN 02224228 CN 02224228 U CN02224228 U CN 02224228U CN 2547546 Y CN2547546 Y CN 2547546Y
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China
Prior art keywords
damping
rubber
spring
vibration
liquid
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Expired - Lifetime
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CN 02224228
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Chinese (zh)
Inventor
张亚新
黄毅
王雪飞
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Zhuzhou Times New Material Technology Co Ltd
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Zhuzhou Times New Material Technology Co Ltd
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Abstract

An abrasion-free non-linear-damping combined vibration-damp locating spring consists of a rubber mainspring and a liquid damping device; the rubber mainspring is vertically folded with the liquid damping device into integration, wherein, the rubber mainspring consists of a multilayer tapered metal framework and rubber which are vulcanized and adhered into integration. The liquid damping device is combined by two sealed chambers with changeable cubage which consists of the rubber mainspring, a sealed crest, a sealed sack and a damping clapboard and a damping clapboard for dividing two sealed chambers, wherein, the sealed sack is a high-elastic rubber sack; the cubage changing of two sealed chambers is achieved through the mutual liquid flow of the sealed chambers via damping holes on the damping clapboard; a rubber film with elastic deformation is also arranged on the damping clapboard according to the specific vibration isolation requirements. The liquid has better dynamic performance in the high-frequent vibration isolation region of product owning to the resonance effect of liquid and also can provide large damping in a low-frequent resonance region of product, thereby inhibiting vibration enlargement and weakening vibration.

Description

There is not abrasion non-linear damping combined vibration-damping retainer spring
One, technical field
The utility model belongs to the vibration and noise reducing field.Relate to a kind of complex spring with damping, be mainly used in guideway vehicle (railway truck, passenger vehicle, subway and city rail trolley) axle box, play resilient mounting suspension effect, simultaneously in level to playing the effect that is located by connecting, it is right with wheel to connect framework, and the wheel of decaying is to unfavorable vibration.
Two, background technology
Guideway vehicle is the important vehicle of China, yet along with the speed-raising of rolling stock and the widespread use of city rail trolley, it has also proposed more and more higher requirement to vibration and noise reducing.Couple together by flexure spring and detent mechanism between each parts of guideway vehicle, various springs and damper are arranged using between the axle box and bogie truck of vehicle, between bogie truck and the car body, we claim that these two parts are suspended portion.Existing vehicle, because of vehicle is subjected to coming from track, external influences such as air produce vibration, for improving the vehicle smoothness index and adapting to rapid transit, on vehicle, use three independently parts realize that spring supports, damping and these three functions of location, its medi-spring is generally metal coil spring, damping has frictional damping and oil pressure damping etc., this three functions are realized by three parts, make the project organization complexity of the bogie of car, and have bigger wearing and tearing, increased the work capacity of maintenance, not only the cost height, also influence the continuous operation of vehicle, therefore necessary the improvement.
Three, summary of the invention:
Goal of the invention of the present utility model is intended to:
1. spring, three functions of damping and location are realized on a product;
2. reaching does not have abrasion, non-maintaining in the life cycle, to simplify the Vehicular turn shelf structure, realizes multi-functional integrated;
3. realize the non-linear hard characteristic of vertical performance, damping energy self adaptation;
4. in certain running velocity scope, improve running stability, the dynamic performance of vehicle.
The purpose of this utility model is to realize by following technical scheme: the utility model relates to a kind of tapered rubber spring and the compound vibration isolation and damping technology of fluid damping.Suspension for guideway vehicle not only will have enough rigidity, must have simultaneously certain flexibility (stiffness coefficient K decision) again, be beneficial to separating vibration and relax impact, and because the exciting frequency domain that vehicle is subjected in operational process is wide, vibration is complicated, so vibration-damping function also must be arranged with unfavorable vibration and the inhibition resonance (damping coefficient C decision) of decaying, the mild property of normal operation of assurance vehicle, traveling comfort etc.The vibratory impulse that guideway vehicle is subjected to mainly comes from wheel track, and the passive insulation model of its simple model of vibration as shown in Figure 1.Vibrating system shown in Figure 1, situation about using at present on guideway vehicle is; Spring k and damping c separate, by two independently parts (or product) realize.For being described, characteristics of the present utility model analyze vibrating system as shown in Figure 1 earlier, system for permanent k, c, M (mass), we are referred to as linear system (for convenience of explanation, we consider it is feasible with the suspension of vehicle according to linear system), are had by vibration knowledge: m y · · = - k ( y - x ) - c ( y · - x · )
M becomes sprung weight on vehicle, and k is one to be spring stiffness (N/m), and c is one to be damping (Ns/m), and input X, responds on the Y spring be hit (excitation) by wheel, and the ratio of Y and X is displacement transport T M, have by vibration knowledge: T M = Y X = 1 + ( 2 ζω / ω n ) 2 [ 1 - ( ω / ω n ) 2 ] 2 + ( 2 ζω / ω n ) 2
With following formula T M, ω/ω n, relation plots as shown in Figure 2 curve between the ξ, exciting frequency ω is much larger than natural frequency ω as can be seen from Figure 2 nThe time transport T MMore little, promptly effectiveness in vibration suppression is good more, and in this vibration damping zone T MIncrease with damping ratio ξ increases, and promptly effectiveness in vibration suppression is poor, by formula ω n = k m
As can be known when system stiffness K more the intrinsic frequency ω n of hour system lead also more little, the vibration frequency domain that system can isolate is just wide more, effect is good more, so concerning the vibration damping and vibration isolation system, seeking out preferably, vibration isolating effect should reduce system stiffness as best one can, to obtain lower natural frequency, reduce shock damping action in the vibration isolation district as far as possible, the bigger amplification of dumping force to suppress to vibrate is provided in inevitable amplification of vibrations district simultaneously.
The vibration isolator that the utility model just is being based on such approximate ideal comes design-calculated.The utility model is the nothing abrasion non-linear damping combined vibration-damping location elastic element that liquid damping and laminated rubber spring compound action are constituted, and the shock damping action by liquid and the overall characteristic of rubber spring reach the effect of vibration damping and vibration isolation.Structure of the present utility model is formed as shown in Figure 3, mainly constituted by rubber spring and liquid damping device two parts, and rubber spring is the vertical one that are superposed to liquid damping device two parts, and liquid damping device 16 is superimposed upon on the rubber spring 5.Wherein rubber spring is bonded into one by the tapered metallic framework of multilayer and the vulcanization of rubber, its metallic framework number of plies concrete parameter as required can be adjusted, the number of plies of its rubber is that the 1-6 layer does not wait, its cone angle does not wait from 10 °-30 °, and on the rubber of rubber spring, be useful on the rubber of adjusting rubber spring rigidity and remove breach, remove part rubber by different parts at product, and the adjustment α angle and the skeleton number of plies, specification can obtain the product of a series of different-stiffness requirement parameters, because rubber is axially being sheared carrying so can obtain very big flexibility and large deformation ability by rubber, make that amount of deflection can reach 30-65mm under the rubber spring rated load, this design can make product can obtain lower natural frequency, having changed the past has to use the steel spring design conditions because of rubber product amount of deflection (generally below 15mm) or load-carrying capacity are not enough, and radially carry by the compression of rubber at it, rigidity is bigger, can obtain satisfied locating stiffness.And liquid damping device is by being made up of airtight cavity volume and a damping baffle of isolating two airtight cavity volumes of rubber spring, sealing two variable volumes that hat, sealed bladder and damping baffle constituted, wherein sealed bladder is a kind of high-elastic rubber bag tank, its use makes the volume of last airtight cavity volume of product to be easy at any time change, simultaneously it flows back to down in the cavity volume fluid fast speed by air pressure, makes fluid vibrate back and forth in cavity volume up and down and is achieved.And the change of the volume of two airtight cavity volumes is to flow mutually by the damping hole of the liquid in the airtight cavity volume on damping baffle to realize, fluid damping material in the airtight cavity volume can be selected silicone oil or other liquid for use, test the contrast of multiple material by trial production, silicone oil has better comprehensive performance, its stable performance, the viscosity setting range is wide, and the variation of viscosity with temperature is little, it can satisfy the requirement of damping, and what adverse influence it does not almost have to rubber.The result of test shows that the optimum range of viscosity is 300-800mm 2Between/the s.And damping hole is that the damping baffle circumference that adopts is evenly arranged, makes the mobile uniform and stable of damping liquid.Because rubber spring is in the dynamic characteristics of axial large deformation ability and elastomeric material itself, make its medium high frequency vibration more than 20Hz (even 15Hz) that good vibration isolating effect be arranged, and when vehicle was in the big displacement resonance of low frequency district, the fluid damping device will work.Because the resonance effects of fluid makes its high-frequency vibration isolation district at product have the better dynamic performance, and can provide very big damping in product low-frequency resonance district, thereby suppress the amplification and the damped vibration of vibration.The mechanism of fluid damping is: the attachment face on the rubber spring and the attachment face labeled of sealing are connected the mount pad on bogie truck and the axle box respectively, wheel passes on the attachment face of product to the vibration that is subjected to through axle box, resilient mounting by product pass to and reach car body on the bogie truck again, relative dislocation between two attachment faces changes the following cavity volume volume of fluid and force fluid is flowing between the cavity volume up and down, the purpose made annular flow path is flowing between two chambeies up and down on the damping baffle in mobile the passing through of fluid, fluid flows through passage and must overcome certain resistance and do work, and mechanical energy is transformed that position heat energy is dispersed into surrounding medium and the effect of playing damped vibration.At the rubber diaphragm (as shown in Figure 3) that elastic deformation also can be set on damping baffle according to concrete vibration isolation needs on the damping baffle; a thick rubber diaphragm of 2-3mm is loaded on the damping baffle; both sides are added the perforated metal partition and are protected it can be not destroyed; and fluid has and can act on thereon; its installation site can be arranged arbitrarily on damping baffle; this absorption of vibrations to high-frequency micro-amplitude has very big benefit, and its setting can better change the effectiveness in vibration suppression of product in the vibration isolation district.In order to obtain suitable damping, the damping hole structure is designed to annular flow path, damping baffle is made up of two metal sheets, be divided into damping baffle and following damping baffle, fluid flows to from the access portal of metal sheet one side, flow to another side by annular flow path, the size of access portal quantity and passage is determined by the damping of needs.
The characteristic of the utility model rubber spring makes product axially can obtain lower natural frequency, thereby makes product play good vibration isolation effect in the frequency domain more widely; And in the effect that fine flexible location radially can be arranged; Play the effect of piston simultaneously with rubber deformation, fluid is produced flow, reach the purpose of not having abrasion.And fluid damping device of the present utility model can play the effect of damped vibration again when vehicle is in the big displacement resonance of low frequency district.Resonance effects by fluid makes its high-frequency vibration isolation district at product have the better dynamic performance, and can provide very big damping in product low-frequency resonance district, thereby suppresses the amplification and the damped vibration of vibration.
Four, accompanying drawing and description of drawings
The vibration passive insulation model sketch of Fig. 1 guideway vehicle;
Fig. 2 exciting frequency ω and transport T MAnd the graph of relation between the damping ratio ξ;
Fig. 3 the utility model structural representation.
Among the figure 1, sealing hat 2, sealed bladder 3, damping baffle 4, fluid damping material 5, rubber spring 6, metallic framework 7, rubber 8, rubber remove breach 9, damping hole 10, rubber diaphragm 11, perforated metal partition 12, go up damping baffle 13, the attachment face 15 on damping baffle 14, the rubber spring, attachment face 16, liquid damping device 17, airtight cavity volume 18, airtight cavity volume 19, the air extractor vent that sealing is labeled down
Five, the specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.From accompanying drawing as can be seen, the utility model is made of rubber spring 5 and liquid damping device 16 two parts, and rubber spring 5 is the vertical one that are superposed to liquid damping device 16 two parts, in general be liquid damping device 16 last, rubber spring 5 is down.Wherein rubber spring 5 is by tapered metallic framework 6 of multilayer and rubber 7 sulfuration adhesion all-in-one-pieces, the number of plies of its metallic framework 6 concrete parameter as required can be adjusted between 1-5, the number of plies of its rubber 7 is that the 1-6 layer does not wait, the metallic framework 6 of its rubber spring 5 and rubber 7 are 10 °-30 ° with the formed cone angle of axis not to be waited, and on the rubber of rubber spring, be useful on the rubber of adjusting rubber spring rigidity and remove breach 8, remove part rubber by different parts at product, and the adjustment α angle and the skeleton number of plies, specification can obtain the product of a series of different-stiffness requirement parameters, because rubber is axially being sheared carrying so can obtain very big flexibility and large deformation ability by rubber, make that amount of deflection can reach 30-65mm under rubber spring 5 rated loads.And liquid damping device 16 is combined by the damping baffles 3 by two airtight cavity volumes of 17,18 and isolation of airtight cavity volume of rubber spring 5, sealing hat 1, two variable volumes that sealed bladder 2 and damping baffle 3 constituted, wherein sealed bladder 2 is a kind of elastomeric rubber bag tank, it can make the volume of airtight cavity volume 17 change easily at any time, simultaneously it flows back to down in the airtight cavity volume 18 the fluid fast speed by air pressure, makes fluid vibrate back and forth in cavity volume up and down and is achieved.And the change of the volume of two airtight cavity volumes 17,18 is to flow mutually by the damping hole 9 of the liquid in the airtight cavity volume on damping baffle to realize, fluid damping material 4 in the airtight cavity volume can be selected silicone oil or other liquid for use, test the contrast of multiple material by trial production, silicone oil has better comprehensive performance, its stable performance, the viscosity setting range is wide, and the variation of viscosity with temperature is little, it can satisfy the requirement of damping, and what adverse influence it does not almost have to rubber.The result of test shows that the optimum range of viscosity is 300-800mm 2Between/the s.And damping hole 9 evenly arranges at the damping baffle circumference, makes the mobile uniform and stable of damping liquid.The mechanism of fluid damping is: the attachment face 14 on the rubber spring and the attachment face 15 labeled of sealing are connected the mount pad on bogie truck and the axle box respectively, wheel passes on the attachment face of product to the vibration that is subjected to through axle box, resilient mounting by product pass to and reach car body on the bogie truck again, relative dislocation between two attachment faces changes the following cavity volume volume of fluid and force fluid is flowing between the cavity volume up and down, the purpose made annular flow path is flowing between two chambeies up and down on the damping baffle in mobile the passing through of fluid, fluid flows through passage and must overcome certain resistance and do work, and mechanical energy is transformed that position heat energy is dispersed into surrounding medium and the effect of playing damped vibration.At the rubber diaphragm 10 (as shown in Figure 3) that elastic deformation also can be set on damping baffle 3 according to concrete vibration isolation needs on the damping baffle 3; a thick rubber diaphragm of 2-3mm is loaded on the damping baffle 3; perforated metal partition 11 is added on both sides; protect it can be not destroyed; and fluid has and can act on thereon; its installation site can arrange arbitrarily that on damping baffle 3 this absorption of vibrations to high-frequency micro-amplitude has very big benefit, and its setting can better change the effectiveness in vibration suppression of product in the vibration isolation district.In order to obtain suitable damping, the structure of damping hole 9 is designed to annular flow path, damping baffle 3 is made up of two metal sheets, be divided into damping baffle 12 and following damping baffle 13, fluid flows to from the access portal of metal sheet one side, flow to another side by annular flow path, the size of access portal quantity and passage is determined by the damping of needs.In addition, on sealing hat 1, be useful on the air extractor vent 19 that keeps sealing hat 1 inner chamber stable gas pressure.Air extractor vent 19 makes sealing hat 1 inner chamber stable gas pressure at a barometric pressure.Because rubber spring 5 is in the dynamic characteristics of axial large deformation ability and elastomeric material itself, make its medium high frequency vibration more than 20Hz (even 15Hz) that good vibration isolating effect be arranged, and when vehicle was in the big displacement resonance of low frequency district, the fluid damping device will work.Because the resonance effects of fluid makes its high-frequency vibration isolation district at product have the better dynamic performance, and can provide very big damping in product low-frequency resonance district, thereby suppress the amplification and the damped vibration of vibration.
Rubber spring structure and effect: wherein rubber spring 5 is bonded into one by the tapered metallic framework of multilayer and the vulcanization of rubber, the several concrete parameters according to needs of its casing play can be adjusted, the number of plies of its rubber does not wait from the 1-6 layer, rubber tangent plane shaped design is by the theoretical design of equal stress, elastomeric material is selected natural rubber for use, specific prescription; Its cone angle does not wait from 10 °-30 °, and because of the rubber-moulding convenience, remove part rubber W place as shown by different parts at product, and the adjustment α angle and the skeleton number of plies, specification can obtain the product of a series of different-stiffness requirement parameters, because rubber is axially sheared carrying so can obtain very big flexibility and large deformation ability by rubber graphic, amount of deflection can reach 30-65mm under the rated load, this design can make product obtain lower natural frequency, having changed the past has to use the steel spring design conditions because of rubber product amount of deflection (generally below 15mm) or load-carrying capacity are not enough, and radially carry by the compression of rubber at it, rigidity is bigger, can obtain satisfied locating stiffness.
The generation of damping: because rubber spring is in the dynamic characteristics of axial large deformation ability and elastomeric material itself, make its medium high frequency vibration more than 20Hz (even 15Hz) that good vibration isolating effect be arranged, and when vehicle was in the big displacement resonance of low frequency district, fluid damping 4 will be worked.Because the resonance effects of fluid makes its high-frequency vibration isolation district at product have the better dynamic performance, and can provide very big damping in product low-frequency resonance district, thereby suppress the amplification and the damped vibration of vibration.The mechanism of fluid damping is: the attachment face 1 of rubber spring 4 is labeled attachment face 2 with sealing and is connected mount pad on bogie truck and the axle box respectively, wheel passes on the attachment face of product to the vibration that is subjected to through axle box, resilient mounting by product pass to and reach car body on the bogie truck again, relative dislocation between two attachment faces changes the following cavity volume volume of fluid and force fluid is flowing between the cavity volume up and down, the purpose made annular flow path is flowing between two chambeies up and down on the damping baffle in mobile the passing through of fluid, fluid flows through passage and must overcome certain resistance and do work, and mechanical energy is transformed that position heat energy is dispersed into surrounding medium and the effect of playing damped vibration.
Damping baffle structure: the rubber diaphragm (as shown in Figure 3) that elastic deformation can be set according to concrete vibration isolation needs on damping baffle; a thick rubber diaphragm of 2-3mm is loaded on the damping baffle; both sides are added the perforated metal partition and are protected it can be not destroyed; and fluid has and can act on thereon; its installation site can be arranged arbitrarily on damping baffle; this absorption of vibrations to high-frequency micro-amplitude has very big benefit, and its setting can better change the effectiveness in vibration suppression of product in the vibration isolation district.In order to obtain suitable damping, the damping hole structure is designed to annular flow path, and damping baffle is made up of two metal sheets, and fluid flows to from the access portal of metal sheet one side, flow to another side by annular flow path, the size of access portal quantity and passage is determined by the Buddhist nun that chews of needs.
Sealing: this product uses a kind of high-elastic rubber bag tank, its use makes the volume of last airtight cavity volume of product to be easy at any time change, simultaneously it flows back to down in the cavity volume fluid fast speed by air pressure, makes fluid vibrate back and forth in cavity volume up and down and is achieved.
Fluent material: fluid damping material selection silicone oil, test the contrast of multiple material by trial production, silicone oil has better comprehensive performance, its stable performance, the viscosity setting range is wide, the variation of viscosity with temperature is little, and it can satisfy the requirement of damping, and what adverse influence it does not almost have to rubber.The result of test shows that the optimum range of viscosity is 300-800mm 2Between/the s.

Claims (9)

1, there is not abrasion non-linear damping combined vibration-damping retainer spring, the nothing abrasion non-linear damping combined vibration-damping location elastic element that is constituted for liquid damping and laminated rubber spring compound action, constituted by rubber spring (5) and liquid damping device (16) two parts, and rubber spring (5) is the vertical one that are superposed to liquid damping device (16) two parts, and liquid damping device (16) is by by rubber spring (5), sealing hat (1), the airtight cavity volume (17) of two variable volumes that sealed bladder (2) and damping baffle (3) are constituted, (18) combined with damping baffle (3) of isolating two airtight cavity volumes, wherein sealed bladder (2) is a kind of elastomeric rubber bag tank, and two airtight cavity volumes (17), (18) it is to flow mutually by the damping hole (9) of the liquid in the airtight cavity volume on damping baffle (3) to realize that volume changes.
2; nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1; it is characterized in that: go up the rubber diaphragm (10) that the optional position is provided with elastic deformation at damping baffle (3); rubber diaphragm (10) is loaded on the damping baffle (3); protection is arranged on the both sides of rubber diaphragm (10), and it can ruined perforated metal partition (11); and fluid has and can act on thereon; in order to obtain suitable damping; damping hole (9) is the annular flow path shape; damping baffle (3) is made up of two metal sheets; be divided into damping baffle (12) and following damping baffle (13); fluid flows to from the access portal of metal sheet one side, flows to another side by annular flow path.
3, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: rubber spring (5) is by tapered metallic framework of multilayer (6) and rubber (7) sulfuration adhesion all-in-one-piece, the number of plies of its metallic framework (6) is between the 1-5, the number of plies of its rubber (7) is the 1-6 layer, the metallic framework (6) of rubber spring (5) and rubber (7) are 10 °-30 ° with the formed cone angle of axis, and on the rubber (7) of rubber spring (5), be useful on the rubber of adjusting rubber spring rigidity and remove breach (8).
4, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: liquid damping device (16) is superimposed upon on the rubber spring (5).
5, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: the amount of deflection under rubber spring (5) rated load is 30-65mm.
6, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: the scope of the viscosity of the fluid damping material (4) in the airtight cavity volume is 300-800mm 2/ s.
7, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: the fluid damping material (4) in the airtight cavity volume is a silicone oil.
8, nothing abrasion non-linear damping combined vibration-damping retainer spring as claimed in claim 1 or 2, it is characterized in that: damping hole (9) is gone up evenly at damping baffle (3) and is arranged.
9, bogie of car axle box as claimed in claim 1 or 2 is used does not have abrasion non-linear damping combined vibration-damping retainer spring, it is characterized in that: be useful on the stable air extractor vent (19) of maintenance sealing hat (1) internal gas pressure on sealing hat (1).
CN 02224228 2002-06-09 2002-06-09 Abrasion-free non-linear-damping combined vibration-damp locating spring Expired - Lifetime CN2547546Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 02224228 CN2547546Y (en) 2002-06-09 2002-06-09 Abrasion-free non-linear-damping combined vibration-damp locating spring

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100450845C (en) * 2006-07-19 2009-01-14 南车眉山车辆有限公司 Quick railway goods train bogie
CN101275614B (en) * 2008-05-06 2010-04-14 株洲时代新材料科技股份有限公司 Series of rubber metallic stacking spring for vertically changing rigidity
CN102049998A (en) * 2010-12-17 2011-05-11 哈尔滨东安实业发展有限公司 Preparation method of hydraulic shock pad device
CN102330769A (en) * 2011-07-12 2012-01-25 杨洁 Air spring for regulating static rigidity through volume and regulating dynamic rigidity through auxiliary air chamber
CN102330781A (en) * 2011-07-24 2012-01-25 杨洁 Air spring with functions of regulating static rigidity and dynamic rigidity by filler and membrane hole and reducing impact
CN102401062A (en) * 2011-06-21 2012-04-04 贺劼 Composite air spring formed by combining airbag with built-in external adjusting piston
CN102410330A (en) * 2011-07-24 2012-04-11 杨洁 Variable volume air spring capable of increasing and reducing impact by regulating static and dynamic stiffness through diaphragm hole
CN101429929B (en) * 2007-06-14 2013-03-27 弗朗兹·米特希 Hydraulically pre-tensioned elastomeric spring element and use thereof in bearings for wind power facilities
CN103359132A (en) * 2012-03-29 2013-10-23 昆明中铁大型养路机械集团有限公司 Axle box, bogie, railway machine and axle box suspension device of bogie of railway machine
CN103692876A (en) * 2013-12-31 2014-04-02 赵振东 Automobile suspension
CN106218659A (en) * 2016-07-29 2016-12-14 中车齐齐哈尔车辆有限公司 Bogie and there is its rail vehicle
CN107152489A (en) * 2015-07-16 2017-09-12 马耀辉 A kind of triple dampers
CN109484423A (en) * 2018-11-08 2019-03-19 中车长春轨道客车股份有限公司 A kind of rail vehicle single stage suspension device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100450845C (en) * 2006-07-19 2009-01-14 南车眉山车辆有限公司 Quick railway goods train bogie
CN101429929B (en) * 2007-06-14 2013-03-27 弗朗兹·米特希 Hydraulically pre-tensioned elastomeric spring element and use thereof in bearings for wind power facilities
CN101275614B (en) * 2008-05-06 2010-04-14 株洲时代新材料科技股份有限公司 Series of rubber metallic stacking spring for vertically changing rigidity
CN102049998A (en) * 2010-12-17 2011-05-11 哈尔滨东安实业发展有限公司 Preparation method of hydraulic shock pad device
CN102401062A (en) * 2011-06-21 2012-04-04 贺劼 Composite air spring formed by combining airbag with built-in external adjusting piston
CN102330769A (en) * 2011-07-12 2012-01-25 杨洁 Air spring for regulating static rigidity through volume and regulating dynamic rigidity through auxiliary air chamber
CN102330781A (en) * 2011-07-24 2012-01-25 杨洁 Air spring with functions of regulating static rigidity and dynamic rigidity by filler and membrane hole and reducing impact
CN102410330A (en) * 2011-07-24 2012-04-11 杨洁 Variable volume air spring capable of increasing and reducing impact by regulating static and dynamic stiffness through diaphragm hole
CN103359132B (en) * 2012-03-29 2016-11-23 中国铁建高新装备股份有限公司 Railway machinery bogie axle box suspension device, corresponding axle box, bogie and railway machinery
CN103359132A (en) * 2012-03-29 2013-10-23 昆明中铁大型养路机械集团有限公司 Axle box, bogie, railway machine and axle box suspension device of bogie of railway machine
CN103692876A (en) * 2013-12-31 2014-04-02 赵振东 Automobile suspension
CN103692876B (en) * 2013-12-31 2017-08-29 南京工程学院 Automotive suspension
CN107152489A (en) * 2015-07-16 2017-09-12 马耀辉 A kind of triple dampers
CN106218659A (en) * 2016-07-29 2016-12-14 中车齐齐哈尔车辆有限公司 Bogie and there is its rail vehicle
CN109484423A (en) * 2018-11-08 2019-03-19 中车长春轨道客车股份有限公司 A kind of rail vehicle single stage suspension device

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