CN202320358U - Combined rubber horizontal buffer - Google Patents
Combined rubber horizontal buffer Download PDFInfo
- Publication number
- CN202320358U CN202320358U CN2011205149989U CN201120514998U CN202320358U CN 202320358 U CN202320358 U CN 202320358U CN 2011205149989 U CN2011205149989 U CN 2011205149989U CN 201120514998 U CN201120514998 U CN 201120514998U CN 202320358 U CN202320358 U CN 202320358U
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- rubber
- mandrel
- oblique
- spindle
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Abstract
The utility model relates to a combined rubber horizontal buffer, which comprises a spindle, a support and a base. An oblique vulcanized rubber layer is bonded between the spindle and the support and is of the shape of an oblique circular ring. The space of the oblique vulcanized rubber layer between the spindle and the support is at an oblique angle alpha to enable rubber to be a circular-ring cone, wherein the oblique angle alpha is determined by the rigidity of a product. A blind hole is arranged one the end surface of one side of the spindle. The end surface of the base which is in contact with the rubber layer is designed to be an arc-shaped molded surface to facilitate the adjustment of the inflection point of a rigidity curve, so as to realize the sharp rigidity increase of the product under the situation of certain deformation. The base and the support are assembled in an interference fit way. The distance H between the bottom surface of the assembled spindle and the upper end surface of the base is hard stopper distance. The hard stopper distance H takes the effect of horizontal limitation to completely prevent the horizontal displacement of a locomotive from exceeding a critical value through the contact between the spindle and the base when the horizontal displacement of the locomotive reaches the allowable critical value.
Description
Technical field
The utility model relates to the structure of a kind of speed car secondary suspension device with damping means, refers in particular to a kind of cross travel that locomotive produces when crossing elbow curve that is used to limit, and is installed on the structure of damping means on the bogie truck secondary suspension device.
Background technology
Along with the development of rolling stock technology, the particularly development of speed car technology, vehicle hanging spare need satisfy the dynamic performance requirement of vehicle better, and the variable rigidity property of rubber draft gear requires also increasingly high.In order to guarantee locomotive, on the secondary suspension device of locomotive, rubber draft gear is installed in the elbow curve traveling comfort.When locomotive passed through elbow curve, because action of centrifugal force, car body can produce cross travel; And the amount of this cross travel is to be confirmed by the deflection of rubber draft gear and the gap between rubber draft gear and the transverse baffle, and is excessive when the amount of cross travel, when promptly exceeding Vehicular system design-calculated cross travel amount; The lateral excursion of body gravity is just excessive; To cause locomotive derailment occurring to occur, when the amount of cross travel is too small, its bogie truck flexible too small; Locomotive will be very difficult through elbow curve the time, even can't pass through some specific orbital curve.Therefore the rubber draft gear of selecting suitable deflection is a very important aspect that guarantees the normal operation of rolling stock.General existence in this respect is not the problem that is well suited for as the rubber draft gear of damping means on the existing secondary suspension device, therefore still is necessary this is improved.
The utility model content
The purpose of the utility model is exactly still can not satisfy the deficiency that vehicle operating requires fully to existing secondary suspension rubber draft gear; Provide a kind of rolling stock that can guarantee to pass through elbow curve smoothly; Do not produce the rubber horizontal buffer of derailment occurring again because of cross travel is excessive, thus the cross travel that suitable restriction rolling stock produces during through the track elbow curve.
The purpose of the utility model realizes that through following technical proposals a kind of knockdown rubber horizontal buffer comprises mandrel, bearing and base; Between mandrel and bearing, be bonded with the oblique polysulphide rubbers layer of one deck, it is circular that the polysulphide rubbers layer is bevelled; The space of oblique polysulphide rubbers layer is oblique angle α between mandrel and the base, makes rubber be all annular arrangement cones.
Preferably, oblique angle α is by the rigidity property decision of product; One side end face of mandrel is provided with blind hole, mainly plays expendable weight; Be designed to the profile of arc at base and the contacted end face of rubber layer,, realize that the rigidity of this product when certain distortion increases phenomenon suddenly so that adjust the flex point of stiffness curve.
Preferably, the fit system assembling through interference of base and bearing, and the mandrel bottom surface after the assembling and the distance H of base upper surface are hard backstop distance.Tiltedly the thickness and the bevelled angle of rubber layer can be adjusted; The rigidity property of product is also provided by this rubber layer; Because rubber layer has a bevelled angle; So rubber not only produces shear deformation but also produce compressive deformation when stand under load, this mode of texturing of rubber should change greatly than what pure compression mode of texturing can bear, helps the fatigue property of product.The effect of hard backstop distance H is that mandrel and base come in contact when the cross travel of locomotive reaches the critical value of permission, and the cross travel that limits locomotive fully exceeds critical value, plays the effect of cross spacing.
The beneficial effect of the utility model is: through the rubber at bonding one deck suitable thickness and angle of inclination between mandrel and bearing; Not only produce shear deformation but also produce compressive deformation when making the product stand under load; This mode of texturing of rubber should change greatly than what pure compression mode of texturing can bear; Reduce simultaneously the stress of rubber again, helped the fatigue property of product.The arcwall face design of base has increased the rigidity of product when certain distortion, and the space length H of base and mandrel is the effect that whole rubber draft gear has played hard backstop simultaneously.Obtain different deformation parameters through adjustment rubber hardness, thickness and in-to-in angle; Thereby for locomotive provides suitable deflection; Simultaneously when locomotive at a high speed through bend the time, locomotive can produce bigger transverse force, this transverse force can limit through the hard backstop distance H of rubber draft gear; So that guarantee that locomotive can pass through elbow curve smoothly, do not produce derailment occurring again because of cross travel is excessive.
Description of drawings
Fig. 1 is the structural representation front view of an embodiment of the utility model;
Fig. 2 is the structural representation birds-eye view of an embodiment of the utility model.
Among the figure: the 1-mandrel; The 2-rubber bodies; The 3-bearing; The 4-base; The circular blind hole of 5-; The 6-curved end.
The specific embodiment
To combine accompanying drawing and embodiment that the utility model is done further description below.
Can find out that according to accompanying drawing the utility model relates to a kind of knockdown rubber horizontal buffer, comprises mandrel, bearing and base; Between mandrel and bearing, be bonded with the oblique polysulphide rubbers layer of one deck, it is circular that the polysulphide rubbers layer is bevelled; The space of oblique polysulphide rubbers layer is oblique angle α between mandrel and the base, makes rubber be all annular arrangement cones.Oblique angle α is by the rigidity property decision of product, and the zone of reasonableness of oblique angle α generally designs between 8 °～13 °; One side end face of mandrel is provided with blind hole, mainly plays expendable weight; Be designed to the profile of arc at base and the contacted end face of rubber layer, so that the flex point of adjustment stiffness curve, make the rigidity of this product when certain deflection increase suddenly; With the fit system assembling through interference of base and bearing, and the mandrel bottom surface after the assembling and the distance H of base upper surface be hard backstop distance, and position-limiting action is provided when the product stand under load is deformed to certain value.
Tiltedly the thickness and the bevelled angle of rubber layer can be adjusted; The rigidity property of product is also provided by this rubber layer; Because rubber layer has a bevelled angle; So rubber not only produces shear deformation but also produce compressive deformation when stand under load, this mode of texturing of rubber should change greatly than what pure compression mode of texturing can bear, helps the fatigue property of product.The effect of hard backstop distance H is that mandrel and base come in contact when the cross travel of locomotive reaches the critical value of permission, and the cross travel that limits locomotive fully exceeds critical value, plays the effect of cross spacing.
Embodiment one
The rubber horizontal buffer that a kind of metal and rubber combine, it comprises mandrel 1, rubber bodies 2, bearing 3 and base 4, designs a circular blind hole 5 in mandrel 1 one side end faces, mainly alleviates the weight of product.Mandrel one week of 1 outside is the inclined-plane; Be similarly the inclined-plane in 3 inboard weeks of bearing, its oblique angle is identical with the mandrel oblique angle; Be bonded with rubber bodies 2 in the middle of mandrel 1 and the bearing 3, the rigidity property of product is relevant with rubber bodies 2 thickness with rake angle; Base 4 is designed to curved end 6 with rubber bodies 2 contacted end faces, so that the flex point of adjustment stiffness curve, realizes that the rigidity of this product when certain deflection increases phenomenon suddenly; Mandrel 1 and the fit system assembling of base 4 through interference; Mandrel 1 after the assembling is the effect that rubber draft gear provides hard backstop with the distance H of base 4; Promptly when the rubber layer deflection reached certain critical value, mandrel 1 contacted with base 4, limits the distortion of rubber draft gear fully.
The rubber horizontal buffer that metal and rubber combine, mainly contain following some:
1. adjustment angle [alpha], mandrel 1 outside dimension and bearing 3 internal diameter sizes can be adjusted the thickness of rubber layer, thereby adjust the rigidity property of product, and the zone of reasonableness of oblique angle α generally designs between 8 °～13 °.
2. adjusting travel H can adjust the spacing distance of product, thereby actv. guarantees that locomotive can be owing to the excessive generation derailing of cross travel.
This structure can realize that product increases with distortion and rigidity enlarged functional gradually according to the adjustment of top parameter, and the α angle makes rubber produce shear deformation and produces compressive deformation again simultaneously, can reduce rubber stress, thereby improves the fatigue life of product.Well satisfy locomotive be in operation required stability and safety.
Claims (6)
1. a knockdown rubber horizontal buffer is characterized in that: comprise mandrel, bearing and base; Between mandrel and bearing, be bonded with the oblique polysulphide rubbers layer of one deck, it is circular that the polysulphide rubbers layer is bevelled; The space of oblique polysulphide rubbers layer is oblique angle α between mandrel and the base, makes rubber be all annular arrangement cones.
2. knockdown rubber horizontal buffer as claimed in claim 1 is characterized in that: a side end face of mandrel is provided with blind hole; In the profile of base and the contacted end face camber of rubber layer, so that the flex point of adjustment stiffness curve, make the rigidity of this product when certain deflection increase suddenly.
3. knockdown rubber horizontal buffer as claimed in claim 2; It is characterized in that: base and bearing are through the fit system assembling of interference; And the mandrel bottom surface after the assembling and the distance H of base upper surface are hard backstop distance, and position-limiting action is provided when the product stand under load is deformed to certain value.
4. knockdown rubber horizontal buffer as claimed in claim 1 is characterized in that: one week of the mandrel outside is the inclined-plane; One week be similarly the inclined-plane in the bearing inboard, its oblique angle is identical with the mandrel oblique angle; Oblique angle α is by the rigidity property decision of product.
5. knockdown rubber horizontal buffer as claimed in claim 4 is characterized in that: the zone of reasonableness of oblique angle α is between 8 °～13 °.
6. knockdown rubber horizontal buffer as claimed in claim 1; It is characterized in that: mandrel and base are through the fit system assembling of interference; The mandrel after the assembling and the distance H of base are the effect that rubber draft gear provides hard backstop; Promptly when the rubber layer deflection reached certain critical value, mandrel contacted with base, limits the distortion of rubber draft gear fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205149989U CN202320358U (en) | 2011-12-12 | 2011-12-12 | Combined rubber horizontal buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205149989U CN202320358U (en) | 2011-12-12 | 2011-12-12 | Combined rubber horizontal buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202320358U true CN202320358U (en) | 2012-07-11 |
Family
ID=46432349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205149989U Expired - Lifetime CN202320358U (en) | 2011-12-12 | 2011-12-12 | Combined rubber horizontal buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202320358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236916A (en) * | 2018-11-07 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | Volute spring and its variation rigidity and installation and adjustment method |
-
2011
- 2011-12-12 CN CN2011205149989U patent/CN202320358U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236916A (en) * | 2018-11-07 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | Volute spring and its variation rigidity and installation and adjustment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200603 Address after: 412007 No.301, physical and chemical building, Liyu Industrial Park, no.639, Heilongjiang Road, Tianyuan District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou Times Ruiwei damping equipment Co., Ltd Address before: 412007 No. 18 Haitian Road, Tianyuan District, Hunan, Zhuzhou Patentee before: Zhuzhou Times New Material Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |