CN217839537U - Composite elastic rail end piece for rail gap of steel rail - Google Patents
Composite elastic rail end piece for rail gap of steel rail Download PDFInfo
- Publication number
- CN217839537U CN217839537U CN202221561599.2U CN202221561599U CN217839537U CN 217839537 U CN217839537 U CN 217839537U CN 202221561599 U CN202221561599 U CN 202221561599U CN 217839537 U CN217839537 U CN 217839537U
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- Prior art keywords
- rail
- layer
- elastic
- end piece
- rail end
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000000806 elastomer Substances 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000004073 vulcanization Methods 0.000 claims description 2
- 239000012634 fragment Substances 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000037237 body shape Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The utility model discloses a compound elasticity rail end piece for rail seam department, including rail end piece body, rail end piece body shape and size are corresponding with rail cross sectional shape and size, rail end piece body includes base plate, elastomer layer, shell fragment layer, be provided with the elastomer layer between base plate and the shell fragment layer, evenly distributed has the shell fragment on the shell fragment layer, the elastomer layer is rubber materials, the elastomer layer is through vulcanizing and base plate and shell fragment layer laminating. The utility model combines the elastic sheet with the elastic body layer, thereby increasing the elasticity of the elastic sheet, increasing the contact area between the rail end sheet and the cross section of the steel rail, reducing the impact between the wheel and the rail head and increasing the reliability; the elastic sheets are uniformly arranged on the surface of the elastic body layer, so that the uniform stress of the rail end sheet is ensured, and the service life of the rail end sheet is prolonged; simple structure, the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of rail seam technique and specifically relates to a compound elasticity rail end piece for rail seam department.
Background
With the rapid development of subway networks of various big cities, the traffic pressure of the cities is effectively relieved, the development of the cities is promoted, and convenience is brought to the traveling of citizens. When the subway rail is laid, steel rail gaps inevitably occur, rail end pieces need to be installed at the rail gaps according to the influence of site construction environment and conditions, the steel rail gaps are large and small, when the rail gaps are larger than 2mm, the rail end pieces are usually thin pieces cut from the steel rails in the prior art, the tangent planes are difficult to keep flat during cutting, the contact area with the sections of the steel rails on two sides is small, the rail end pieces are installed at the rail gaps, the conditions of flash, bending and even fracture can often occur to the rail end pieces, the service life is short, frequent construction and replacement are needed, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned problem that exists among the prior art, the utility model provides a compound elasticity rail end piece for rail gap department.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a compound elasticity rail end piece for rail gap department, includes rail end piece body, rail end piece body shape and size correspond with rail cross sectional shape and size, rail end piece body includes base plate, elastomer layer, shell fragment layer, be provided with the elastomer layer between base plate and the shell fragment layer, evenly distributed has the shell fragment on the shell fragment layer.
The composite elastic rail end piece for the rail gap of the steel rail is characterized in that the elastic body layer is made of rubber materials, and the elastic body layer is attached to the base plate and the elastic sheet layer through vulcanization.
The thickness of the elastomer layer of the composite elastic rail end piece used for the rail gap of the steel rail is more than or equal to 1mm.
According to the composite elastic rail end piece for the rail gap of the steel rail, the thickness of the base plate is larger than or equal to that of the elastic sheet layer.
The composite elastic rail end plate for the rail gap of the steel rail is characterized in that the elastic plate and the elastic plate layer are of an integral structure, and the opening direction of the elastic plate faces the rail top.
The composite elastic rail end piece for the rail gap of the steel rail is characterized in that the thickness of the rail end piece body is 1-2mm smaller than that of the rail gap of the steel rail.
The utility model has the advantages that the elastic sheet is combined with the elastomer layer, so that the elasticity of the elastic sheet is increased, the contact area between the rail end sheet and the cross section of the steel rail is increased, the impact of the wheel on the rail head is reduced, and the reliability is increased; the elastic sheets are uniformly arranged on the surface of the elastic body layer, so that the uniform stress of the rail end sheet is ensured, and the service life of the rail end sheet is prolonged; the utility model discloses simple structure, the practicality is strong.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a front view of the present invention;
fig. 2 is a side sectional view of the present invention;
fig. 3 is a side view of the installation of the present invention.
In the figure, 1, a rail end plate body, 2, a base plate, 3, a spring plate, 4, a spring plate layer, 5, an elastomer layer and 6, a rail.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-2, the embodiment discloses a composite elastic rail end piece for a rail gap of a steel rail, which includes a rail end piece body 1, wherein the shape and size of the rail end piece body 1 correspond to the shape and size of the cross section of a steel rail 6, the rail end piece body 1 includes a substrate 2, an elastic body layer 5 and a spring plate layer 4, the elastic body layer 5 is arranged between the substrate 2 and the spring plate layer 4, and spring plates 3 are uniformly distributed on the spring plate layer 4.
In this embodiment, the thickness of the elastomer layer 5 should be not less than 1mm, and in order to ensure the strength of the rail end piece, the thickness of the substrate should be not less than the thickness of the bullet layer.
As shown in fig. 3, for convenience of processing, the thickness of the elastic sheet layer is generally fixed, the thickness of the rail end sheet is changed by changing the thicknesses of the elastic body layer and the substrate, the thickness of the rail end sheet can be selected according to the size of a rail gap of a steel rail, the thickness of the rail end sheet body can be 1-2mm smaller than that of the rail gap of the steel rail, during installation, the elastic body layer has high elasticity, the elastic sheet is combined with the elastic body layer to increase the elasticity of the elastic sheet, the rail end sheet body is installed in the rail gap of the steel rail through an installation tool, the elastic sheet is uniformly distributed on the surface of the elastic sheet layer to increase the contact area between the rail end sheet body and the section of the steel rail, stress of the rail end sheet is balanced, the service life of the rail end sheet is prolonged, meanwhile, impact of a wheel on a rail head can be effectively reduced, the elastic sheet is in a compressed state during installation, the elastic sheet is combined with the elastic body layer to have a certain extrusion force on the section of the steel rail, and the reliability of the rail end sheet body is further increased.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (6)
1. The utility model provides a compound elasticity rail end piece for rail gap department, includes rail end piece body, its characterized in that: the shape and the size of the rail end piece body correspond to the shape and the size of the cross section of the steel rail, the rail end piece body comprises a base plate, an elastic body layer and an elastic sheet layer, the elastic body layer is arranged between the base plate and the elastic sheet layer, and elastic sheets are uniformly distributed on the elastic sheet layer.
2. A composite elastic rail end piece for a rail joint according to claim 1, wherein said elastomer layer is a rubber material and said elastomer layer is bonded to said base plate and said spring layer by vulcanization.
3. A composite elastic rail end piece for a rail gap according to claim 1, wherein the thickness of the elastomer layer is 1mm or greater.
4. A composite elastic rail end piece for a steel rail gap according to claim 1, wherein the base plate thickness is equal to or greater than the thickness of the projectile layer.
5. The composite elastic rail end piece for a rail gap of a steel rail as claimed in claim 1, wherein the elastic piece and the elastic piece layer are of an integral structure, and the opening direction of the elastic piece faces the top of the rail.
6. A composite elastic rail end piece for a rail joint according to claim 1, wherein the thickness of the rail end piece body is 1-2mm less than the rail joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561599.2U CN217839537U (en) | 2022-06-22 | 2022-06-22 | Composite elastic rail end piece for rail gap of steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221561599.2U CN217839537U (en) | 2022-06-22 | 2022-06-22 | Composite elastic rail end piece for rail gap of steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217839537U true CN217839537U (en) | 2022-11-18 |
Family
ID=84025917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221561599.2U Active CN217839537U (en) | 2022-06-22 | 2022-06-22 | Composite elastic rail end piece for rail gap of steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217839537U (en) |
-
2022
- 2022-06-22 CN CN202221561599.2U patent/CN217839537U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230915 Address after: 266000 No.1 Weiyi Road, Keyuan, Qingdao, Shandong Province Patentee after: Qingdao Qingyuan Vibration Reduction Technology Co.,Ltd. Address before: 266011 No.8 Shangqing Road, Shibei District, Qingdao City, Shandong Province Patentee before: QINGDAO SENDATA TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |