CN202530344U - Sleeper pad and sleeper system containing same - Google Patents
Sleeper pad and sleeper system containing same Download PDFInfo
- Publication number
- CN202530344U CN202530344U CN2012201884646U CN201220188464U CN202530344U CN 202530344 U CN202530344 U CN 202530344U CN 2012201884646 U CN2012201884646 U CN 2012201884646U CN 201220188464 U CN201220188464 U CN 201220188464U CN 202530344 U CN202530344 U CN 202530344U
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- sleeper
- pad
- sleeper pad
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Abstract
The utility model relates to a sleeper pad and a sleeper system containing the sleeper pad, wherein the sleeper pad is made from polyurethane with micro-foaming structure; foaming holes formed by the micro-foaming structure on the sleeper pad are closed holes. Therefore, the produced sleeper pad is good in elasticity, and the defects of the filled polyurethane elastomer prepared by oligomerization polyol, polyisocyanate, a chain extender, an auxiliary and a mineral soil filler in the prior art such as bad elasticity are conquered; meanwhile, the sleeper is made of the polyurethane material with the foaming structure, as for the sleeper pat with the same size, the dosage of the polyurethane material for the sleeper pad is reduced greatly, and the manufacturing cost of the sleeper pad and the sleeper system can be reduced greatly.
Description
Technical field
The utility model relates to a kind of equipment that is placed directly in ballastway upper support track, relates in particular to a kind of sleeper system that is arranged on the sleeper pad of railway roadbed and the damping between the sleeper on the railway track and comprises this sleeper pad.
Background technology
The heavy loading of modern railways communications and transportation and high speed develop into global railway transport administration person and have proposed new challenge in technology and economic field.It is modal in the world track structure form that tiny fragments of stone, coal, etc. track is arranged.Railway ballast is that link the weakest in the tiny fragments of stone, coal, etc. rail system is arranged, and often receives the influence of potential dynamic displacement; Under the load effect that continues, abrasion and efflorescence can take place in railway ballast, and ballast bed of track must regularly be made firm by ramming.Existing rubber pad is many to be raw material with natural rubber or synthetic rubber, adds other material mixing such as various fillers such as vulcanizing agent, chopping wood and/or sandstone and processes, and the rubber pad of being processed by above-mentioned material has certain elasticity.In work progress, rubber pad is directly installed or is bonded under the sleeper or in the middle of the fastener, increasing the vertical elasticity of track structure, thereby the load of rail vehicle is evenly distributed on the elastic construction of roadbed.Rubber pad with certain elastic performance, the effective function of damping, thus the load of rail vehicle is distributed on the more sleeper.Because the load of train transmission is distributed on the sleeper of greater number, it is big that the railway ballast loaded area becomes, and reduced the pressure that acts on the unit area railway ballast.Also having weakened train acts on dynamic loads and the vibrations on the railway ballast and has reduced the displacement of railway ballast and the settling amount of track.
Chinese patent document CN1185501A discloses a kind of sleeper pad; Forms and the filled polyurethane elastic body that makes by a certain amount of oligomeric polyols, polyisocyanates, chain extender, auxiliary agent and mineral soil filler, through the elastic body Bed plate for sleeper of injection or hot pressing manufacturing.The elastomeric elastic body Bed plate for sleeper of this kind mineral soil filled polyurethane rerum natura is better than General Purpose Rubber Bed plate for sleeper performance, reduces its cost simultaneously greatly.The mineral soil of filling need not further processing or handles, and preparation technology is simple for this filled polyurethane elastic sleeper backing plate.But because materials such as its filling additive, mineral soil, its elastic performance is with respect to the poor flexibility of the polyurethane elastomer of not filling other materials.
The utility model content
The utility model technical problem to be solved is the defective of the sleeper pad elastic performance difference of prior art, and then a kind of sleeper pad with high resiliency performance is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is following:
A kind of sleeper pad is provided, and said sleeper pad is the sleeper pad with polyurethane of little foaming structure, and the foam hole of said little foaming structure is a blind hole.
A kind of sleeper system that is provided with above-mentioned sleeper pad is provided, comprises sleeper, and the linkage that is used to connect said sleeper and said sleeper pad.
Said linkage comprises the connecting hole that is molded on said sleeper pad and the said sleeper, and with said connecting hole be connected the effect screw or rivet.
A kind of sleeper system that is provided with above-mentioned sleeper pad is provided, comprises sleeper and be used to connect said sleeper and the articulamentum of said sleeper pad.
Said articulamentum is an adhesive layer.
The face that said sleeper pad and said sleeper bond each other is a matsurface.
The utility model is compared prior art and is had the following advantages:
The sleeper pad of the utility model is processed by the polyurethane material with foaming structure; And the foam hole that little foaming structure forms on the sleeper pad is blind hole; Make like this that sleeper pad good springiness, the abrasion resistance process are good, cryogenic property is good, good waterproof performance, oil resistivity be good, overcome in the prior art defective of the filled polyurethane elastomeric resilient difference of being made up of oligomeric polyols, polyisocyanates, chain extender, auxiliary agent and mineral soil filler and making; Simultaneously, the sleeper spacer of the utility model has the polyurethane material of foaming structure, and for onesize sleeper pad, the amount of the polyurethane material that the sleeper pad of the utility model uses significantly reduces, and can reduce the manufacturing cost of sleeper pad greatly.
The face that the described sleeper pad of the utility model contacts with sleeper is arranged to hair side; It is matsurface; Because contacted of sleeper pad and sleeper are hair side, make through the sleeper pad of adhesive layer connection and the contact area of sleeper to increase, therefore increased the adhesion of sleeper pad and sleeper; The sleeper pad is difficult for splitting away off from sleeper, has prolonged the application life of sleeper pad.
Description of drawings
For the content that makes the utility model is understood more easily, the utility model will combine the accompanying drawing and the specific embodiment that the content of the utility model is further explained;
Shown in Figure 1 is the structural representation of sleeper system of an embodiment of the utility model;
Shown in Figure 2 is the structural representation of sleeper system of another embodiment of the utility model;
Wherein, Reference numeral is: 1-sleeper pad, 2-sleeper, 3-screw, 4-adhesive layer.
The specific embodiment
Be described in detail in the face of two specific embodiment of the utility model down, but the protection domain that is to be understood that the utility model does not receive the restriction of the specific embodiment.
Embodiment 1
Referring to shown in Figure 1, as the sleeper system of an embodiment of the utility model, comprise sleeper 2, sleeper pad 1, and the adhesive layer 4 that is used to be connected said sleeper 2 and said sleeper pad 1 between setting and said sleeper 2 and the said sleeper pad 1; Wherein, described sleeper pad 1 is to process the sleeper pad by the polyurethane material of little foaming structure, is micro-pore elastomer or is called microcellular rubber, and the hole in the polyurethane material is a blind hole; As an embodiment of the utility model, said sleeper 2 and said sleeper pad 1 bonding.
Preferably; Sleeper pad 1 is arranged to hair side with sleeper 2 contacted one sides; Make the sleeper pad 1 that is connected through adhesive layer 4 and the contact area of sleeper 2 increase; And then the adhesion of the bonding of increase sleeper pad 1 and sleeper 2, make the described sleeper pad 1 of the utility model be difficult for splitting away off from sleeper 1, prolonged the application life of sleeper pad 1.
Referring to shown in Figure 2; Sleeper system as another embodiment of the utility model; Comprise sleeper 2, sleeper pad 1, and be arranged on said sleeper 2 and the said sleeper pad 1 connecting hole with cooperate the screw that is used to be connected said sleeper 2 and sleeper pad 1 with said connecting hole; Wherein, described sleeper pad 1 is to be processed by the polyurethane material of little foaming structure, and the hole in the polyurethane material is a blind hole; As an embodiment of the utility model, be connected through mechanical connection manner on said sleeper pad 1 and the said sleeper 2.
The described sleeper pad 1 of the utility model is to be processed by the polyurethane material of little foaming structure, and the hole in the polyurethane material is what seal; Therefore the sleeper pad resilience in comparison of its and other polyurethane material of not foaming is high, and, owing to it is little foaming structure; It is few with the required polyurethane material of the polyurethane elastomer of identical volume; Greatly reduce its manufacturing cost, not only elasticity is strong for the described sleeper pad 1 of the utility model, and low cost of manufacture.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give to all embodiments exhaustive, and the conspicuous variation of being extended out thus or the change still be among the protection domain of the utility model claim.
Claims (6)
1. a sleeper pad is characterized in that, said sleeper pad is the sleeper pad with polyurethane of little foaming structure, and the foam hole of said little foaming structure is a blind hole.
2. one kind is provided with the sleeper system of sleeper pad according to claim 1, it is characterized in that: comprise sleeper, and the linkage that is used to connect said sleeper and said sleeper pad.
3. sleeper according to claim 2 system is characterized in that said linkage comprises the connecting hole that is molded on said sleeper pad and the said sleeper, and has cooperated the screw or the rivet of interconnect function with said connecting hole.
4. one kind is provided with the sleeper system of sleeper pad according to claim 1, it is characterized in that: comprise sleeper and be used to connect said sleeper and the articulamentum of said sleeper pad.
5. sleeper according to claim 4 system is characterized in that said articulamentum is an adhesive layer.
6. sleeper according to claim 5 system is characterized in that the face that said sleeper pad and said sleeper bond each other is a matsurface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884646U CN202530344U (en) | 2012-04-27 | 2012-04-27 | Sleeper pad and sleeper system containing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201884646U CN202530344U (en) | 2012-04-27 | 2012-04-27 | Sleeper pad and sleeper system containing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202530344U true CN202530344U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201884646U Expired - Lifetime CN202530344U (en) | 2012-04-27 | 2012-04-27 | Sleeper pad and sleeper system containing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202530344U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401492A (en) * | 2015-12-22 | 2016-03-16 | 成都市新筑路桥机械股份有限公司 | Waterproof vibration-damping composite structure applied to embedded track system and construction method of waterproof vibration-damping composite structure |
| CN107217548A (en) * | 2017-05-25 | 2017-09-29 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane railway roadbed block and preparation method thereof |
| CN108660867A (en) * | 2018-07-26 | 2018-10-16 | 铁科腾跃科技有限公司 | A kind of compound type polyurethane sleeper pad and preparation method thereof |
| CN108755288A (en) * | 2018-08-17 | 2018-11-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway concrete sleeper bottom resilient sleeper-bearing |
| CN111235971A (en) * | 2020-02-21 | 2020-06-05 | 株洲时代新材料科技股份有限公司 | Composite sleeper lower backing plate and sleeper thereof |
-
2012
- 2012-04-27 CN CN2012201884646U patent/CN202530344U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401492A (en) * | 2015-12-22 | 2016-03-16 | 成都市新筑路桥机械股份有限公司 | Waterproof vibration-damping composite structure applied to embedded track system and construction method of waterproof vibration-damping composite structure |
| CN107217548A (en) * | 2017-05-25 | 2017-09-29 | 中国铁道科学研究院铁道建筑研究所 | Polyurethane railway roadbed block and preparation method thereof |
| CN108660867A (en) * | 2018-07-26 | 2018-10-16 | 铁科腾跃科技有限公司 | A kind of compound type polyurethane sleeper pad and preparation method thereof |
| CN108660867B (en) * | 2018-07-26 | 2024-04-12 | 铁科腾跃科技有限公司 | Composite polyurethane sleeper pad and preparation method thereof |
| CN108755288A (en) * | 2018-08-17 | 2018-11-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway concrete sleeper bottom resilient sleeper-bearing |
| CN111235971A (en) * | 2020-02-21 | 2020-06-05 | 株洲时代新材料科技股份有限公司 | Composite sleeper lower backing plate and sleeper thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150915 Address after: 100087, No. 6, No. 1, far Jin Yuan Road, Haidian District, Beijing, A705, Beijing Patentee after: Beijing Pantian Science & Technology Development Co., Ltd. Address before: 100029 Beijing city Xicheng District Yumin Road No. 18 North Center Room 1311 Patentee before: Beijing Pantian New Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: 100070 Beijing city Fengtai District Street No. 110, No. 2 zaojiacheng (cottage village enterprises centralized office area) Patentee after: Beijing disc sunshine new material Co., Ltd. Address before: 100087, No. 6, No. 1, far Jin Yuan Road, Haidian District, Beijing, A705, Beijing Patentee before: Beijing Pantian Science & Technology Development Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210831 Address after: Room 828, 8 / F, building 6, building 3, Beijiao farm (farm office building), Huilongguan town, Changping District, Beijing Patentee after: Beijing Jiaoyue Tongda Testing Technology Co.,Ltd. Address before: 100070 bungalow 2, 110 ZAOJIA street, Fengtai District, Beijing Patentee before: Beijing disc sunshine new material Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |