CN203212951U - Heavy load cushion plate with two-stage buffering function - Google Patents
Heavy load cushion plate with two-stage buffering function Download PDFInfo
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- CN203212951U CN203212951U CN 201220750838 CN201220750838U CN203212951U CN 203212951 U CN203212951 U CN 203212951U CN 201220750838 CN201220750838 CN 201220750838 CN 201220750838 U CN201220750838 U CN 201220750838U CN 203212951 U CN203212951 U CN 203212951U
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- backing plate
- cushion plate
- elasticity boss
- boss
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Abstract
The utility model discloses a heavy load cushion plate with a two-stage buffering function. The heavy load cushion plate with the two-stage buffering function comprises a cushion plate body. The cushion plate body has an upper surface and a lower surface, and a plurality of high elastic bosses and a plurality of low elastic bosses are distributed on the upper surface and the lower surface respectively and are arranged in a staggered mode to form transverse elastic boss bands and longitudinal elastic boss bands, wherein the transverse elastic boss bands and the longitudinal elastic boss bands are mutually perpendicular, and the high elastic bosses on the upper surface of the cushion plate body correspond to the low elastic bosses on the lower surface of the cushion plate body. The heavy load cushion plate with the two-stage buffering function has the advantages that two static-stiffness surfaces are formed by the high elastic bosses and the low elastic bosses, and stiffness curve rate can be fast increased by more than three times; high-temperature heat generated by the abrasion of air and the cushion plate body is avoided due to the design of an air discharging groove; when being flattened by heavy loads and deforming, the cushion plate body will be filled into grooves without leading to the outward climbing phenomenon; trapezoid-shaped structures of side beams of the heavy load cushion plate scatter directions of force, and reduce deforming degree of the cushion plate.
Description
Technical field
The utility model relates to a kind of backing plate, is specially a kind of heavily loaded backing plate with two-stage buffering, belongs to the buffer technology field.
Background technology
Railroad train is one of human main vehicles, it at a high speed, the numerous passengers that are subjected to deeply of safe, comfortable characteristics favor, railroad train is made up of railway and train two parts, therefore, railway is one of requisite facility of railroad train, and the quality of railway has directly influenced safety and the comfortableness of train driving.In order to make railroad train more steady in the process of moving, operated by rotary motion under rail in the railway rail clip assembly for the rail heavy duty backing plate of buffering and/or electrical insulation.
Existing rail heavy duty backing plate after load is added to certain value, will have corresponding rigidity value.If continue to load loading, the rigidity value of rail buffer plate can be along with the slowly curved rising of loading of weight, and can not produce a bigger turning point immediately.And the special technical requirement of rail backing plate (being the quiet rigidity of one-level) exactly after vertically being increased to certain value to load can produce a rigidity value (the quiet rigidity of so-called secondary) that sharply rises when continuing to increase load immediately again.This rigidity value reaches more than the twice of one-level rigidity at least.Existing rail heavy duty backing plate can not satisfy this technical requirements.
Publication number is that 202265744U discloses the heavily loaded backing plate of a kind of rail, comprises plate body, it is characterized in that the surface distributed of described plate body has last cavity, and the back side of plate body is distributed with down cavity.Though this heavily loaded backing plate has solved buffer problem to a certain extent, but because cavity has formed enclosure space, under heavy duty, the backing plate distortion, air in the cavity smaller volume, cavity can not be discharged, and friction generates huge heat between air molecule and the backing plate main body, can cause heavily loaded backing plate premature oxidation, lose buffering effect.
In addition, be not only that rail exists this problem, and also there is same problem in some heavy-load automobiles.
The utility model content
The purpose of this utility model is for a kind of heavily loaded backing plate with two-stage buffering is provided, to solve the problems referred to above of prior art.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of heavily loaded backing plate with two-stage buffering, comprise the backing plate main body, described backing plate main body has upper and lower surfaces, be distributed with some high-order elasticity boss and some low level elasticity boss on upper and lower surface, described high-order elasticity boss and low level elasticity boss are staggered, and form orthogonal horizontal vertical elasticity boss band; The high-order elasticity boss of backing plate main body upper surface and the low level elasticity lug boss position of soffit are corresponding mutually.
All high-order elasticity boss form the quiet rigidity face of the first order, and all low level elasticity boss form the quiet rigidity face in the second level.
The cross-sectional area of described high-order elasticity boss is greater than the cross-sectional area of low level elasticity boss.Therefore, it is long-pending to form groove cross section at the cross-sectional area of the bottom of the high-order elasticity boss of upper surface greater than the low level elasticity lug boss position of corresponding soffit, thereby could allow the high-order elasticity boss of upper surface that enough deformation intensity is arranged.Otherwise, deformation strength deficiency then.
Described backing plate body side is provided with two curb girders, and described curb girder is separately positioned on the both sides of rail.The longitudinal section of described curb girder is trapezoidal.
Forming netted groove between described high-order elasticity boss and the low level elasticity boss, is the round groove at its node place.
The edge of described backing plate main body upper and lower surface is provided with the quiet rigidity face of a circle first order, and the quiet rigidity face of this first order is provided with some air discharge ducts, and an end of air discharge duct is communicated with groove, and the other end is communicated with extraneous.
The utility model arranges the elasticity boss of two kinds of differing heights by the plate body surface at the rail backing plate, when on the rail during by the heavy lower train of axle, the high-order elasticity boss bearing load of backing plate main body upper surface, because bearing area is little, just can realize bigger deformation, thereby reach the requirement of low quiet rigidity; When the heavy bigger train of axle passed through, because load is bigger, the further deformation of high-order elasticity boss was until the quiet rigidity face in the second level of low level elasticity boss formation.This moment, bearing area became big, had limited the further deformation of rail backing plate, thereby had reached bigger quiet rigidity.In addition, the adjustment of the quiet rigidity in the second level is to regulate with the height of low level elasticity boss.Low level elasticity boss is more high, and then the quiet rigidity in the second level is more little, and low level elasticity boss is more low, and then the quiet degree in the second level is more big.
The technical solution of the utility model can also be applied to the buffer of heavy-load automobile.
The utlity model has following beneficial effect:
1, high-order elasticity boss and low level elasticity boss form two quiet rigidity faces, and the stiffness curve speed that produces when being subjected to weight can rise to more than 3 times rapidly;
2, adopt the air discharge duct design, can in time the extruded air in the cavity of low level elasticity boss and the formation of high-order elasticity boss be discharged.Avoided the friction of air and backing plate main body to produce high heat.
3, when load is flattened plate body, during the deformation of backing plate body, meeting be filled out crowded toward groove, can not cause outer phenomenon of climbing;
4, the trapezium structure of its curb girder has disperseed the direction of power, and the backing plate distortion is reduced.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the B portion enlarged drawing of Fig. 2;
Among the figure: 1, backing plate main body 2, high-order elasticity boss 3, low level elasticity boss 4, curb girder 5, groove 6, air discharge duct.
The specific embodiment
Further set forth design feature of the present utility model below in conjunction with accompanying drawing and specific embodiment.
A kind of heavily loaded backing plate with two-stage buffering as shown in Figure 1, comprise backing plate main body 1, described backing plate main body 1 has upper and lower surfaces, be distributed with some high-order elasticity boss 2 and some low level elasticity boss 3 on upper and lower surface, described high-order elasticity boss 2 and low level elasticity boss 3 are staggered, and form orthogonal horizontal vertical elasticity boss band; Low level elasticity boss 3 positions of the high-order elasticity boss 2 of backing plate main body 1 upper surface and soffit are corresponding mutually.
As shown in Figures 2 and 3, all high-order elasticity boss 2 form the quiet rigidity face of the first order, and protruding 3 of all low level elasticity forms the quiet rigidity face in the second level.
As shown in figures 1 and 3, the cross-sectional area of described high-order elasticity boss 2 is greater than the cross-sectional area of low level elasticity boss 3.Therefore, it is long-pending to form groove cross section at the cross-sectional area of the bottom of the high-order elasticity boss 2 of upper surface greater than low level elasticity boss 3 positions of corresponding soffit, thereby could allow the high-order elasticity boss 2 of upper surface that enough deformation intensity is arranged.Otherwise, deformation strength deficiency then.
As shown in Figure 1, described backing plate body 1 side is provided with two curb girders 4, and described curb girder 4 is separately positioned on the both sides of rail.The longitudinal section of described curb girder 4 is trapezoidal.
As depicted in figs. 1 and 2, forming netted groove 5 between described high-order elasticity boss 2 and the low level elasticity boss 3, is the round groove at its node place.
The edge of described backing plate main body 1 upper and lower surface is provided with the quiet rigidity face of a circle first order as shown in figures 1 and 3, and the quiet rigidity face of this first order is provided with some air discharge ducts 6, and an end of air discharge duct 6 is communicated with groove 5, and the other end is communicated with extraneous.This design can allow backing plate edge under heavy burden can not cave on the one hand, and on the other hand, air discharge duct 6 is communicated with groove 5, can in time the extruded air in the cavity of low level elasticity boss 3 and 2 formation of high-order elasticity boss be discharged.Avoided air and 1 friction of backing plate main body to produce high heat.
During use, because the high-order elasticity boss 2 of upper surface and the low level elasticity boss 3 correspondence position settings of soffit; When load, high-order elasticity boss 2 pressurized deformation, and push in the cavity that high-order elasticity boss 2 is formed to the low level elasticity boss 3 of correspondence; At this moment, all high-order elasticity boss 2 pressurizeds, this moment, backing plate main body 1 stressed rigidity was the quiet rigidity of the first order.When continuing to load loading again, high-order elasticity boss 2 deformation namely produce the turning point of another quiet rigidity immediately to low level elasticity boss 3 places.Its stiffness curve speed can rise to more than 3 times.Be enough to satisfy institute of iron section secondary rigidity and must reach the requirement of one-level rigidity more than 2 times.
Owing to form netted groove 4 between high-order elasticity boss 2 and the low level elasticity boss 3, during 1 deformation of backing plate body, meeting be filled out crowded toward groove 4, can not cause outer phenomenon of climbing.
The curb girder 4 of backing plate body 1 side is intilted slope, and the longitudinal section of whole curb girder is trapezoidal, when train when moving ahead, after sleeper was stressed, to preshoot, backing plate body 1 both sides can be out of shape, trapezium structure has disperseed the direction of power, and 1 distortion of backing plate body is reduced.
Claims (6)
1. one kind has the heavily loaded backing plate that two-stage cushions, comprise the backing plate main body, it is characterized in that: described backing plate main body has upper and lower surfaces, be distributed with some high-order elasticity boss and some low level elasticity boss on upper and lower surface, described high-order elasticity boss and low level elasticity boss are staggered, and form orthogonal horizontal vertical elasticity boss band; The high-order elasticity boss of backing plate main body upper surface and the low level elasticity lug boss position of soffit are corresponding mutually; All high-order elasticity boss form the quiet rigidity face of the first order, and all low level elasticity boss form the quiet rigidity face in the second level.
2. a kind of heavily loaded backing plate with two-stage buffering according to claim 1, it is characterized in that: the cross-sectional area of described high-order elasticity boss is greater than the cross-sectional area of low level elasticity boss.
3. a kind of heavily loaded backing plate with two-stage buffering according to claim 1, it is characterized in that: described backing plate body side is provided with two curb girders, and described curb girder is separately positioned on the both sides of rail.
4. a kind of heavily loaded backing plate with two-stage buffering according to claim 3, it is characterized in that: the longitudinal section of described curb girder is trapezoidal.
5. a kind of heavily loaded backing plate with two-stage buffering according to claim 1, it is characterized in that: forming netted groove between described high-order elasticity boss and the low level elasticity boss, is the round groove at its node place.
6. a kind of heavily loaded backing plate with two-stage buffering according to claim 5, it is characterized in that: the edge of described backing plate main body upper and lower surface is provided with the quiet rigidity face of a circle first order, the quiet rigidity face of this first order is provided with some air discharge ducts, one end of air discharge duct is communicated with groove, and the other end is communicated with extraneous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750838 CN203212951U (en) | 2012-12-31 | 2012-12-31 | Heavy load cushion plate with two-stage buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220750838 CN203212951U (en) | 2012-12-31 | 2012-12-31 | Heavy load cushion plate with two-stage buffering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203212951U true CN203212951U (en) | 2013-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220750838 Expired - Lifetime CN203212951U (en) | 2012-12-31 | 2012-12-31 | Heavy load cushion plate with two-stage buffering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203212951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190588A (en) * | 2017-06-14 | 2017-09-22 | 西南交通大学 | A kind of backing plate and track |
| CN108677625A (en) * | 2016-05-31 | 2018-10-19 | 吴丽清 | A kind of dielectric resilience gasket |
-
2012
- 2012-12-31 CN CN 201220750838 patent/CN203212951U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677625A (en) * | 2016-05-31 | 2018-10-19 | 吴丽清 | A kind of dielectric resilience gasket |
| CN107190588A (en) * | 2017-06-14 | 2017-09-22 | 西南交通大学 | A kind of backing plate and track |
| CN107190588B (en) * | 2017-06-14 | 2020-05-22 | 西南交通大学 | Backing plate and track |
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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: 20130925 |
|
| CX01 | Expiry of patent term |