CN203144848U - Vibration reduction base plate capable of preventing rollover and provided with variable rigidity - Google Patents
Vibration reduction base plate capable of preventing rollover and provided with variable rigidity Download PDFInfo
- Publication number
- CN203144848U CN203144848U CN 201320147534 CN201320147534U CN203144848U CN 203144848 U CN203144848 U CN 203144848U CN 201320147534 CN201320147534 CN 201320147534 CN 201320147534 U CN201320147534 U CN 201320147534U CN 203144848 U CN203144848 U CN 203144848U
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- Prior art keywords
- boss
- rollover
- vibration attenuation
- base plate
- soffit
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Abstract
The utility model discloses a vibration reduction base plate capable of preventing rollover and provided with variable rigidity. The vibration reduction base plate comprises a base plate body, bosses with different heights and different sizes are arranged on the surface of the base plate body, plane buffering areas are arranged at two ends of a steel rail respectively in the steel rail direction, the buffering areas are connected with the bosses, and reinforcing ribs are distributed on the upper surface and the lower surface of the base plate in a staggered mode. The vibration reduction base plate can achieve changes from low rigidity in light load to high rigidity in heavy load and stepped rigidity changes with small rigidity in the middle and high rigidity at two ends, the steel rail and a fastener system can be effectively protected, rollover at turnouts or in the corner turning process can be effectively avoided, rail creeping at the turnouts or in the corner turning process can be reduced, rail rigidity is lowered, rail service life is prolonged, vibration and noise are reduced, stability, comfortableness and safety performance in operation of a train can be increased, and the vibration reduction base plate can be widely used in passenger transport, freight transport and various rail transit projects, especially the heavy load field.
Description
Technical field
The utility model relates to a kind of for the vibration absorber on the railroad track, is specifically related to a kind of vibration attenuation pad that can become rigidity, anti-rollover and prevent creeping, and belongs to the track traffic antivibration area.
Background technology
At present, adopt resilient sleeper-bearing to absorb vibrational energy between the rail in track structures such as railway, high-speed railway, heavy haul railway, urban track traffic and the sleeper usually, play the effect of certain noise reduction.Nowadays, the resilient sleeper-bearing of employing all is that rubber mat plate is made mostly, and the rubber weatherability is relatively poor relatively, under the effect of factors such as heat, oxygen, ultraviolet ray and rainwater, can reduce greatly the application life of rubber mat plate, under the effect of train high frequency, can accelerate the ageing process of rubber, cause too early stickness to lose efficacy, the inefficacy of material will directly cause the quiet stiffness variation of backing plate, and then influence the stationarity of train, and the elastic deformation of rubber mat plate is bigger simultaneously, cause fastener loosening, have influence on traffic safety.
The China railways overwhelming majority is passenger-cargo conllinear, various speed compatibilities, according to existing track characteristics, when passenger train and shipping underloading or zero load, it is that less rigidity is to guarantee the comfortableness of train that track should have higher compliance, when wagon heavy duty passed through, track provided bigger stability and the safety of rigidity to guarantee that goods train is moved.
Resilient sleeper-bearing generally adopts groove or boss structure, by changing groove or the size of boss and the variation that density realizes rigidity.For rubber mat plate, if adjust rigidity by this kind mode and can be subjected to significant limitation, and density is crossed senior general and is had a strong impact on backing plate application life; And for the thermoplastic elastomer (TPE) backing plate, though this kind mode can satisfy different rigidity requirement, plate body is covered with groove or boss, though or be not covered with internal construction and do not have the stiffness variation Cushioning Design, long-term stiffness variation easily causes the plastic deformation of backing plate, especially heavy-haul line.
Track creeping easily takes place in the braking scope on the loaded vehicle direction of the interval main track of double-tracking railways, single-track railway, long heavy down grade and when entering the station, and often cause phenomenons such as rail gap is irregular, and sleeper is crooked, very big to the destructiveness of circuit, even cause and depart from the rail runway, jeopardize traffic safety.At present, mainly adopt in track and the drift-pin type anticreeper to be installed and anti-creep supports to stop rail creeping, effect is unsatisfactory.
The utility model content
The purpose of this utility model is at the problems referred to above, and a kind of fatigue performance excellence, variable rigidity, easily resilience, anti-rollover, the anti-rollover stiffness variable vibration attenuation pad that can effectively slow down rail creeping and increase steady, the comfortable and safe performance of train operation are provided.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of anti-rollover stiffness variable vibration attenuation pad comprises body, boss and groove; Described boss comprises high boss and short boss, and the platform of described high boss is tall and big in short boss; Stepped described body upper surface and the soffit of being arranged on of described high boss and short boss mutual dislocation forms net structure; The vertical two ends of described body soffit are respectively arranged with a shoulder block; Be provided with buffer stopper around described body upper surface and the soffit, the width of described buffer stopper and height adapt with the quiet rigidity requirement of vibration attenuation pad.
As further improvement of the utility model, the shape of described boss can be round platform, Fang Tai, triangle terrace with edge or other polygon terrace with edges.
As further improvement of the utility model, described shoulder block inside is solid construction or alternate hollow structure.
As further improvement of the utility model, described body upper surface and soffit are horizontally arranged with reinforcing rib.
As further improvement of the utility model, the reinforcing rib and the short boss that are arranged on described body upper surface two ends are contour, and it is contour that all the other are arranged on reinforcing rib and the high boss of described body upper surface and soffit.
As further improvement of the utility model, the quantity that is arranged on the reinforcing rib of described body upper surface and soffit differs one, makes the reinforcing rib of described body upper surface and soffit stagger mutually.
As further improvement of the utility model, described buffer stopper is provided with groove with the rail vertical direction, and the bottom land of described groove is mutually concordant with body surface.
As further improvement of the utility model, the cross section of described groove is a circular arc.
The utlity model has good fatigue durability, improve the application life of backing plate, reduced maintenance and changed frequency, saved required human and material resources, financial resources when changing, improve the operational capability of railway, reduced the pollution to environment simultaneously; Can effectively slow down rail creeping, deformation is easily resilience gently, has increased steady, the comfortable and safe performance of train operation greatly, can extensively meet the tendency in various field of track traffic such as passenger traffic, shippings.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of looking up of the present utility model.
Among the figure: 1. shoulder block, 2. high boss, 3. buffer stopper, 4. short boss, 5. groove, 6. reinforcing rib, 7. body.
The specific embodiment
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
As shown in drawings, embodiment one: a kind of anti-rollover stiffness variable vibration attenuation pad comprises body 7, boss and groove 5; Boss be shaped as round platform side's platform, certainly, in other embodiments, the shape of boss can also be triangle terrace with edge or other polygon terrace with edges; Boss comprises high boss 2 and short boss 4, and the platform of high boss 2 is tall and big in short boss 4; Stepped body 7 upper surfaces and the soffit of being arranged on of high boss 2 and short boss 4 mutual dislocation forms net structure, high boss 2 stepped distributions, and the both sides spacing is little, and middle ware can effectively reduce stress and concentrate apart from big; Short boss 4 is alternate between both sides high boss 2, and when rail bore heavy duty, short boss 4 also participated in pressure-bearing, can realize the stiffness variation requirement under the different load-carryings; High boss 2 and short boss 4 high and low boss are staggered, form the space net structure, be conducive to the transmission of power, reduce stress to concentrate and influence traffic safety and backing plate application life, simultaneously, form net structure, to peripheral direction a kind of effect that involves is arranged all, prevent the vibration attenuation pad extrusion and extrude sleeper; The vertical two ends of body 7 soffits are respectively arranged with the shoulder block 1 suitable with the vibration attenuation pad width, increase the resistance of four jiaos of vibration attenuation pads, shoulder block 1 inside is solid construction or alternate hollow structure, in the train running process, effectively prevent vibration attenuation pad from rail by under extrude; Be provided with buffer stopper 3 around body 7 upper surfaces and the soffit, buffer stopper 3 joins with boss, the width of buffer stopper 3 and height adapt with the quiet rigidity requirement of vibration attenuation pad, buffer stopper 3 is provided with the groove 5 that cross section is circular arc with the rail vertical direction, the height of groove 5 and short boss 4 are contour, and the quantity that is arranged on the groove 5 of body 7 upper surfaces and soffit differs one; Offering the stress that groove 5 can effectively reduce buffer stopper 3 at the buffer stopper 3 on vibration attenuation pad both sides concentrates, prevent that vibration attenuation pad is owing to distortion seriously causes structural deterioration, the bottom land of groove 5 is concordant with body 7 surfaces simultaneously, be conducive to the rainwater between backing plate, the discharge of oil, prolong the application life of vibration attenuation pad.
Embodiment two: be that with the difference of embodiment one vibration attenuation pad main body upper surface and soffit are horizontally arranged with reinforcing rib 6, the reinforcing rib 6 and the short boss 4 that are positioned at body 7 upper surface two ends are contour, all the other reinforcing ribs 6 are contour with high boss 2, because the soffit of reinforcing rib 6 correspondences at body 7 upper surface two ends is shoulder block 1, be in vacant state, in use be not subjected to longitudinal force or stressed very little, and all the other reinforcing ribs 6 are high platform, are conducive to improve the resistance of creeping of vibration attenuation pad; When vibration attenuation pad was subjected to heavy duty, reinforcing rib 6 can effectively prevent vibration attenuation pad generation gross distortion, and then prevented that vibration attenuation pad is extruded under rail.
The utlity model has good fatigue durability, effectively improved the application life of vibration attenuation pad, reduced maintenance and changed frequency, saved required human and material resources, financial resources when changing, improve the transport capacity of railway, reduced the pollution to environment simultaneously; Can effectively slow down rail creeping, the mild easily resilience of deformation has increased the stationarity in the train travelling process, comfortableness and safety greatly, can extensively meet the tendency in field of track traffic such as passenger traffic, shippings.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an anti-rollover stiffness variable vibration attenuation pad is characterized in that: comprise body, boss and groove; Described boss comprises high boss and short boss, and the platform of described high boss is tall and big in short boss; Stepped described body upper surface and the soffit of being arranged on of described high boss and short boss mutual dislocation forms net structure; The vertical two ends of described body soffit are respectively arranged with a shoulder block; Be provided with buffer stopper around described body upper surface and the soffit, the width of described buffer stopper and height adapt with the quiet rigidity requirement of vibration attenuation pad.
2. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 1, it is characterized in that: the shape of described boss can be round platform, Fang Tai, triangle terrace with edge or other polygon terrace with edges.
3. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 1 is characterized in that: described shoulder block is inner to be solid construction or alternate hollow structure.
4. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 1, it is characterized in that: described body upper surface and soffit are horizontally arranged with reinforcing rib.
5. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 4, it is characterized in that: the reinforcing rib and the short boss that are arranged on described body upper surface two ends are contour, and it is contour that all the other are arranged on reinforcing rib and the high boss of described body upper surface and soffit.
6. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 4, it is characterized in that: the quantity that is arranged on the reinforcing rib of described body upper surface and soffit differs one, makes the reinforcing rib of described body upper surface and soffit stagger mutually.
7. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 1, it is characterized in that: described buffer stopper is provided with groove with the rail vertical direction, and the bottom land of described groove is mutually concordant with body surface.
8. a kind of anti-rollover stiffness variable vibration attenuation pad as claimed in claim 7, it is characterized in that: the cross section of described groove is a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147534 CN203144848U (en) | 2013-03-28 | 2013-03-28 | Vibration reduction base plate capable of preventing rollover and provided with variable rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147534 CN203144848U (en) | 2013-03-28 | 2013-03-28 | Vibration reduction base plate capable of preventing rollover and provided with variable rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203144848U true CN203144848U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147534 Expired - Lifetime CN203144848U (en) | 2013-03-28 | 2013-03-28 | Vibration reduction base plate capable of preventing rollover and provided with variable rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203144848U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669125A (en) * | 2013-12-31 | 2014-03-26 | 浙江中元铁路配件有限公司 | Rail backing plate |
| CN103711047A (en) * | 2013-12-31 | 2014-04-09 | 浙江中元铁路配件有限公司 | Iron rail cushion plate |
| CN105525540A (en) * | 2016-02-15 | 2016-04-27 | 北京博源天衡科技有限公司 | Roll-free variable-stiffness vibration damping bearing |
| CN108914721A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of underground railway track backing plate |
| CN108914720A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of iron chair lower bolster and its manufacturing method |
-
2013
- 2013-03-28 CN CN 201320147534 patent/CN203144848U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669125A (en) * | 2013-12-31 | 2014-03-26 | 浙江中元铁路配件有限公司 | Rail backing plate |
| CN103711047A (en) * | 2013-12-31 | 2014-04-09 | 浙江中元铁路配件有限公司 | Iron rail cushion plate |
| CN103669125B (en) * | 2013-12-31 | 2015-10-28 | 浙江中元铁路配件有限公司 | A kind of rail tie plate |
| CN103711047B (en) * | 2013-12-31 | 2016-04-06 | 浙江中元铁路配件有限公司 | A kind of rail tie plate |
| CN105525540A (en) * | 2016-02-15 | 2016-04-27 | 北京博源天衡科技有限公司 | Roll-free variable-stiffness vibration damping bearing |
| CN108914721A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of underground railway track backing plate |
| CN108914720A (en) * | 2018-07-05 | 2018-11-30 | 江苏金洋机械有限公司 | A kind of iron chair lower bolster and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
|
| CX01 | Expiry of patent term |