CN204690515U - Composite construction heavy duty resilient sleeper-bearing - Google Patents
Composite construction heavy duty resilient sleeper-bearing Download PDFInfo
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- CN204690515U CN204690515U CN201520399494.5U CN201520399494U CN204690515U CN 204690515 U CN204690515 U CN 204690515U CN 201520399494 U CN201520399494 U CN 201520399494U CN 204690515 U CN204690515 U CN 204690515U
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- clad
- bearing
- resilient sleeper
- heavy duty
- composite construction
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Abstract
Composite construction heavy duty resilient sleeper-bearing, comprise casing play and clad, casing play is arranged in clad, casing play is made up of the flat board of mid portion and the winding sheet of the dull and stereotyped left and right sides, and flat board has through hole, and clad inner surface has the zig zag plane corresponding with winding sheet makes the inner surface of coated bag be covered in winding sheet on the surface, casing play is thermoplastic polyester elastomer, clad is rubber, and through hole is filled up by rubber, and the external surface of the clad that through hole position is corresponding is provided with pit.Composite construction heavy duty resilient sleeper-bearing of the present utility model, characteristic is become in the supporting capacity and pressure that improve backing plate, the horizontal rigidity of heavily loaded resilient sleeper-bearing is improved on the basis reducing its stiffness variation rate in fatigue carrying, extend the application life of heavily loaded resilient sleeper-bearing, improve the reliability of rail clip system.
Description
Technical field
The utility model relates in rail clip system the heavily loaded resilient sleeper-bearing used, be used to keep on same track two rail apart from equal, and reduction track vibration, keep roadbed not to be subject to the safety component of the impact of train or load, particularly composite construction heavy duty resilient sleeper-bearing.
Background technology
Heavy duty resilient sleeper-bearing is one of parts the most key in heavily loaded rail clip system, is used to keep on same track two rail apart from equal, and safety and signal system safety component in good condition.Heavy duty resilient sleeper-bearing can also reduce track vibration significantly, keeps roadbed not to be subject to the impact of train or load, improves the stationarity of train operation.Existing heavily loaded resilient sleeper-bearing many employings homogenous material manufactures, rely on the compressive strain carrying of homogenous material, easily larger permanent compression set is produced under dynamic vertical load, thus cause product stiffness variation rate larger, whole fastener system damping property declines, vibration aggravation, component wear aggravation in fastener system, the application life namely shortening fastener system also brings a large amount of maintenances and maintenance work to heavily loaded Orbital Transport Systems.
Application number is 201420706929.1, name is called the utility model patent of " track heavy load base plate ", disclose a kind of track heavy load base plate, comprise nexine and clad, described clad is wrapped in the external surface of nexine, described nexine is made up of thermoplastic elastomer (TPE), and described clad is made up of rubber, and the hardness of described nexine is greater than the hardness of clad.What above-mentioned utility model patent improve heavy-duty cushion plate by the thermoplastic elastomer (TPE) of nexine holds ability, the permanent compression set rate of heavy-duty cushion plate under dynamic vertical load is reduced by the elastic resilience of the rubber of clad, but above-mentioned heavy-duty cushion plate is only focused on meeting vertical load bearing requirements, in train travelling process, the shearing force that heavy-duty cushion plate is subject to horizontal direction also needs to meet horizontal bearing requirement, the performance level analysis of heavy-duty cushion plate is too small, the adhesion strength of nexine and clad is not enough, easily horizontal relative sliding is there is under the effect of cross shear, damage heavy-duty cushion plate, shorten its application life, moreover, horizontal rigidity is too small, after backing plate is subject to horizontal load, screen resilience is not enough, easily cause and between the iron chair of pad contact and track, relative movement occur, accelerate the wearing and tearing of iron chair, cause loosening of fastener system, potential safety hazard is brought to train operation.
Utility model content
The utility model provides a kind of composite construction heavy duty resilient sleeper-bearing, characteristic is become in the supporting capacity and pressure that improve backing plate, the horizontal rigidity of heavily loaded resilient sleeper-bearing is improved on the basis reducing its stiffness variation rate in fatigue carrying, extend the application life of heavily loaded resilient sleeper-bearing, improve the reliability of rail clip system.The utility model also provides the method for designing of composite construction heavy duty resilient sleeper-bearing, according to the speed of service and the load-carrying weight configuration heavy duty resilient sleeper-bearing of track, thus extends the application life of fastener system, alleviates maintenance and the maintenance load of heavily loaded Orbital Transport Systems.
For achieving the above object, the technical solution of the utility model is: composite construction heavy duty resilient sleeper-bearing, comprise casing play and clad, casing play is arranged in clad, it is characterized in that described casing play is made up of the flat board of mid portion and the winding sheet of the dull and stereotyped left and right sides, described flat board has through hole, described clad inner surface has the zig zag plane corresponding with winding sheet makes the inner surface of described coated bag be covered in winding sheet on the surface, described casing play is thermoplastic polyester elastomer, clad is rubber, described through hole is filled up by rubber, the external surface of the clad that described through hole position is corresponding is provided with pit.
Further, described through hole is multiple and orthogonal array or annular array distribution in the quantity of the mid portion of casing play.
Further, the external surface of described clad has the zig zag plane corresponding with winding sheet.
Further, the upper surface of described winding sheet and soffit are serrated face, wavy surface, in certain rule change curved surface and irregular change curved surface in one or more connect to form.
Further, the rubber filling up described through hole is liquid rubber.
Further, described pit is one or more in spherical pit, rounding table top pit, conical surface pit and face of cylinder pit.
Further, described winding sheet edge is the bar tabular with described plate alignment.
The beneficial effects of the utility model are:
One, the casing play in composite construction heavy duty resilient sleeper-bearing of the present utility model is thermoplastic polyester elastomer, utilizes the supporting capacity of thermoplastic polyester elastomer, improves the supporting capacity of heavily loaded resilient sleeper-bearing, meet the requirement of the large load of heavy haul railway.Clad is rubber, utilizes the rebound performance that rubber is good, and the pressure that improve backing plate becomes characteristic, reduces the stiffness variation rate of backing plate in tired load bearing process.
Two, two, the left and right in casing play has winding sheet; clad inner surface has the zig zag plane corresponding with winding sheet makes the inner surface of coated bag be covered in winding sheet on the surface; when heavy-duty cushion plate is subject to horizontal shear force; the adhesion strength of winding sheet and clad inner surface is better; relative level can not be there is and slide in casing play and clad; the heavily loaded resilient sleeper-bearing of effective protection report is not damaged, and extends the application life of heavily loaded resilient sleeper-bearing.Winding sheet improves the horizontal rigidity that heavy duty plays backing plate, effectively reduces the wearing and tearing of iron chair, improves the reliability of rail clip system.
Accompanying drawing explanation
Fig. 1 is the composite construction heavy duty resilient sleeper-bearing schematic perspective view in embodiment.
Fig. 2 is this schematic diagram vertical of casing play.
Fig. 3 is the cross sectional representation of the composite construction heavy duty resilient sleeper-bearing in embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As shown in Figure 1 to Figure 3, composite construction heavy duty resilient sleeper-bearing, comprise casing play 1 and clad 2, casing play 1 is arranged in clad 2, described casing play 1 is made up of the flat board 11 of mid portion and the winding sheet 12 of dull and stereotyped 11 left and right sides, described flat board 11 has through hole 13, described clad 2 inner surface has the zig zag plane corresponding with winding sheet 12 makes the inner surface of described coated bag 12 be covered in winding sheet 12 on the surface, described casing play 1 is thermoplastic polyester elastomer, clad 2 is rubber, described through hole 11 is filled up by rubber, the external surface pit 21 be provided with described in pit 21 of the clad 2 that described through hole 13 position is corresponding is spherical pit.Described through hole 13 is multiple and orthogonal array in the quantity of the mid portion of casing play 1.The external surface of described clad 2 has the zig zag plane corresponding with winding sheet 12.Upper surface and the soffit of described winding sheet 12 are wavy surface, and the rubber filling up described through hole 13 is liquid rubber.The mobility of liquid rubber is better, and when backing plate carry, the volume of through hole 12 is compressed, and liquid rubber is extruded outflow from through hole 13, flowing space size can regulate the vertical stiffness of backing plate when backing plate designs by adjustment rubber.Described winding sheet 12 edge is the bar tabular of aliging with described flat board 11.
Above-mentioned composite construction heavy duty resilient sleeper-bearing is when carrying, and casing play 1 is thermoplastic polyester elastomer, utilizes the characteristic that the large ability of the bearing strength of thermoplastic polyester elastomer is high, improves the supporting capacity of heavily loaded resilient sleeper-bearing, meet the requirement of the large load of heavy haul railway.Clad 2 is rubber, utilizes the rebound performance that rubber is good, and the permanent compression set rate making to carry in the process that resilient sleeper-bearing carry in fatigue reduces, and improves the pressure change characteristic of backing plate, reduces the stiffness variation rate of backing plate in tired load bearing process.Two, left and right in casing play 2 has winding sheet 12, clad 2 inner surface has the zig zag plane corresponding with winding sheet 12 makes the inner surface of coated bag be covered in winding sheet on the surface, along with the operation of vehicle, backing plate is not only subject to the cross shear being also simultaneously subject to horizontal direction from vertical direction pressure, winding sheet 12 pastes with the inner surface of clad 2, winding sheet 12 is better with the adhesion strength of clad 2 inner surface, when heavy-duty cushion plate is subject to horizontal shear force, relative level can not be there is and slide in casing play 1 and clad 2, the heavily loaded resilient sleeper-bearing of effective protection report is not damaged, extend the application life of heavily loaded resilient sleeper-bearing.Winding sheet 12 improves the horizontal rigidity that heavy duty plays backing plate, and the horizontal screen resilience of backing plate is better, reduces the wear rate with the iron chair of pad contact, improves the reliability of rail clip system.
Below by reference to the accompanying drawings complete description is carried out to the technical scheme of embodiment of the present utility model, it should be noted that described embodiment is only a part of embodiment of the present utility model.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Claims (7)
1. composite construction heavy duty resilient sleeper-bearing, comprise casing play (1) and clad (2), casing play (1) is arranged in clad (2), it is characterized in that described casing play (1) is made up of the winding sheet (12) of the flat board (11) of mid portion and dull and stereotyped (11) left and right sides, described flat board (11) has through hole (13), described clad (2) inner surface has the zig zag plane corresponding with winding sheet (12) makes the inner surface of described coated bag (12) be covered in winding sheet (12) on the surface, described casing play (1) is thermoplastic polyester elastomer, clad (2) is rubber, described through hole (11) is filled up by rubber, the external surface of the clad (2) that described through hole (13) position is corresponding is provided with pit (21).
2. composite construction heavy duty resilient sleeper-bearing according to claim 1, is characterized in that described through hole (13) is multiple and orthogonal array or annular array distribution in the quantity of the mid portion of casing play (1).
3. composite construction heavy duty resilient sleeper-bearing according to claim 2, is characterized in that the external surface of described clad (2) has the zig zag plane corresponding with winding sheet (12).
4. composite construction according to claim 3 heavy duty resilient sleeper-bearing, is characterized in that the upper surface of described winding sheet (12) and soffit are serrated face, wavy surface, one or more in certain rule in the curved surface of change and the curved surface of irregular change connects to form.
5. composite construction heavy duty resilient sleeper-bearing according to claim 4, is characterized in that the rubber filling up described through hole (13) is liquid rubber.
6. composite construction according to claim 5 heavy duty resilient sleeper-bearing, is characterized in that described pit (21) is spherical pit, one or more in rounding table top pit, conical surface pit and face of cylinder pit.
7. composite construction heavy duty resilient sleeper-bearing according to claim 6, is characterized in that described winding sheet (12) edge is the bar tabular of aliging with described flat board (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399494.5U CN204690515U (en) | 2015-06-11 | 2015-06-11 | Composite construction heavy duty resilient sleeper-bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520399494.5U CN204690515U (en) | 2015-06-11 | 2015-06-11 | Composite construction heavy duty resilient sleeper-bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204690515U true CN204690515U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520399494.5U Expired - Fee Related CN204690515U (en) | 2015-06-11 | 2015-06-11 | Composite construction heavy duty resilient sleeper-bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947552A (en) * | 2015-06-11 | 2015-09-30 | 株洲时代新材料科技股份有限公司 | Composite structure heavy lead resilient sleeper bearing and design method thereof |
| CN107974879A (en) * | 2017-11-21 | 2018-05-01 | 中铁山桥集团有限公司 | A kind of switch bed plate frame-type elastic insert structure |
| CN111764202A (en) * | 2020-07-08 | 2020-10-13 | 青岛大学 | Novel rail lower backing plate |
| CN114541185A (en) * | 2022-04-25 | 2022-05-27 | 成都中拓科技有限公司 | Vibration absorption energy dissipation vibration reduction backing plate |
-
2015
- 2015-06-11 CN CN201520399494.5U patent/CN204690515U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947552A (en) * | 2015-06-11 | 2015-09-30 | 株洲时代新材料科技股份有限公司 | Composite structure heavy lead resilient sleeper bearing and design method thereof |
| CN104947552B (en) * | 2015-06-11 | 2016-10-26 | 株洲时代新材料科技股份有限公司 | Composite construction heavy duty resilient sleeper-bearing and method for designing thereof |
| CN107974879A (en) * | 2017-11-21 | 2018-05-01 | 中铁山桥集团有限公司 | A kind of switch bed plate frame-type elastic insert structure |
| CN111764202A (en) * | 2020-07-08 | 2020-10-13 | 青岛大学 | Novel rail lower backing plate |
| CN114541185A (en) * | 2022-04-25 | 2022-05-27 | 成都中拓科技有限公司 | Vibration absorption energy dissipation vibration reduction backing plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 |