CN213203640U - A rail bed plate for subway fastener - Google Patents
A rail bed plate for subway fastener Download PDFInfo
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- CN213203640U CN213203640U CN202021196715.6U CN202021196715U CN213203640U CN 213203640 U CN213203640 U CN 213203640U CN 202021196715 U CN202021196715 U CN 202021196715U CN 213203640 U CN213203640 U CN 213203640U
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- backing plate
- stopper
- plate body
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Abstract
The utility model discloses a rail lower backing plate for subway fasteners, which comprises a backing plate body, a plurality of first grooves which are positioned on the upper surface of the backing plate body and have upward openings, and a plurality of second grooves which are positioned on the lower surface of the backing plate body and have downward openings, wherein the first grooves and the second grooves are symmetrically arranged, the first grooves are sequentially arranged from left to right along the upper surface of the backing plate body, two adjacent first grooves are mutually parallel, the second grooves are sequentially arranged from left to right along the upper surface of the backing plate body, and two adjacent second grooves are mutually parallel, the first grooves and the second grooves of the utility model increase the friction force between the rail lower backing plate and an iron backing plate as well as a steel rail, reduce materials simultaneously, have good elasticity and a limit block, fix the rail lower backing plate on the iron backing plate to prevent the rail from moving along with the steel rail, effectively support the steel rail by the rail lower backing plate, and have good damping effect, the base plate body and the limiting block are made of natural rubber, static rigidity is low, service life is long, and maintenance cost is reduced.
Description
Technical Field
The utility model relates to a city underground railway fastener facility field, concretely relates to rail lower bolster plate for subway fastener.
Background
Along with the continuous development of society, especially the continuous progress of science and technology, the living standard of people is greatly improved; the coming of the electrification times and the information times injects the flying activity into the development of traffic business; in order to meet the requirement of large-scale integration and development of society, the railway industry of China draws attention. Along with the quick construction of domestic city subway, subway train's functioning speed constantly improves, and the train number is constantly encrypted, and subway fastener performance has also proposed higher requirement. At present, on the domestic urban underground railway system, a large number of discrete fastener systems are used, and the rubber base plate under the rail has the defects of high static rigidity, poor damping performance, short service life and large maintenance workload due to the structural design.
Therefore, it is a problem worthy of research to provide a rail pad under rail for subway fastener, which has low static stiffness, good elasticity and long service life.
Disclosure of Invention
The utility model aims at providing a rail lower bolster plate for subway fastener that quiet rigidity is little, elasticity is good and long service life to the not enough of above-mentioned prior art.
The purpose of the utility model is realized like this:
the utility model provides a rail lower bolster for subway fastener, including the backing plate body, be located the upper surface of backing plate body and a plurality of first slots that open side up, be located the lower surface of backing plate body and a plurality of second slots that open side down, first slot and second slot symmetry set up, a plurality of first slots set gradually along the upper surface of backing plate body from left to right, two adjacent first slots are parallel to each other, a plurality of second slots set gradually along the upper surface of backing plate body from left to right, two adjacent second slots are parallel to each other.
The longitudinal section of the first groove is isosceles trapezoid, the longitudinal section of the second groove is isosceles trapezoid, the width of the bottom of the first groove in the left-right direction is smaller than the width of the top of the first groove in the left-right direction, the width of the bottom of the second groove in the left-right direction is larger than the width of the second groove in the left-right direction, and the first groove and the second groove are arranged at intervals in the left-right direction of the base plate body.
The width of the bottom of first slot in the left and right directions is 3~4mm, and the width of the top of first slot in the left and right directions is 5~6mm, and the degree of depth of first slot is 2~3mm, and the distance between two adjacent first slots is 5~6 mm.
The width of the bottom of the second groove in the left-right direction is 5-6 mm, the width of the top of the second groove in the left-right direction is 3-4 mm, the depth of the second groove is 2-3 mm, and the distance between every two adjacent second grooves is 5-6 mm.
The thickness of the base plate body in the vertical direction is 12-14 mm.
The lower surface of backing plate body is equipped with the stopper that blocks the backing plate body and remove, and the stopper sets up two, two stoppers respectively with the lower surface left side fixed connection of backing plate body first stopper, with the lower surface right side fixed connection's of backing plate body second stopper, first stopper and second stopper symmetry set up.
The longitudinal section of first stopper and the longitudinal section of second stopper are right trapezoid, and the width of the upper surface of first stopper in the left and right directions is greater than the width of the lower surface of first stopper in the left and right directions, and the width of the upper surface of second stopper in the left and right directions is greater than the width of the lower surface of second stopper in the left and right directions.
The left side of first stopper and the left side of backing plate body are on the coplanar, and the right flank of first stopper is 120~130 with the contained angle of horizontal plane, and the right flank of second stopper and the right surface of backing plate body are on the coplanar, and the left surface of second stopper is 120~130 with the contained angle of horizontal plane.
The height of the first limiting block in the vertical direction is 10-13 mm, and the height of the second limiting block in the vertical direction is 10-13 mm.
Has the positive and beneficial effects that: the utility model discloses the setting of first slot and second slot has increased the frictional force of rail lower bolster and iron backing plate and rail, reduces the material consumption simultaneously, and elasticity is good, and the setting of stopper prevents to remove along with the rail lower bolster is fixed on the iron backing plate, and the rail lower bolster forms effective support to the rail, and the shock attenuation is effectual, and backing plate body and stopper adopt the natural rubber material, and quiet rigidity is little, and long service life is showing and is reducing the maintenance operation, reduces the maintenance cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
in the figure, the following steps are carried out: backing plate body 1, first slot 2, second slot 3, first stopper 4, second stopper 5.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 3, a rail lower backing plate for a subway fastener comprises a backing plate body 1, a plurality of first grooves 2 which are arranged on the upper surface of the backing plate body 1 and have upward openings, and a plurality of second grooves 3 which are arranged on the lower surface of the backing plate body 1 and have downward openings, wherein the first grooves 2 and the second grooves 3 are symmetrically arranged, the arrangement of the first grooves and the second grooves increases the friction force between the rail lower backing plate and an iron backing plate as well as a steel rail, reduces materials, has good elasticity and long service life, meets the requirement of high-speed operation of subway trains, promotes the development of future urban underground railways, the thickness of the backing plate body 1 in the vertical direction is 12mm, the plurality of first grooves 2 are sequentially arranged from left to right along the upper surface of the backing plate body, two adjacent first grooves 2 are parallel to each other, the plurality of second grooves 3 are sequentially arranged from left to right along the upper surface of the backing plate body 1, two adjacent second trenches 3 are parallel to each other. The longitudinal section of first slot 2 is isosceles trapezoid, and the longitudinal section of second slot 3 is isosceles trapezoid, and the width of first slot 2's bottom in the left and right directions is less than the width of first slot 2's top in the left and right directions, and the width of second slot 3's bottom in the left and right directions is greater than second slot 3's width in the top in the left and right directions, and first slot 2 and second slot 3 set up at the left and right directions interval of backing plate body. The width of the bottom of the first groove 2 in the left-right direction is 3mm, the width of the top of the first groove 2 in the left-right direction is 5mm, the depth of the first groove 2 is 2mm, and the distance between two adjacent first grooves 2 is 5 mm. The width of the bottom of the second groove 3 in the left-right direction is 5mm, the width of the top of the second groove 3 in the left-right direction is 3mm, the depth of the second groove 3 is 2mm, and the distance between two adjacent second grooves 3 is 5 mm.
The lower surface of backing plate body 1 is equipped with the stopper that blocks backing plate body 1 and remove, stopper and backing plate body 1 integrated into one piece, the stopper is fixed backing plate body 1 on the iron tie plate and is prevented to remove along with the rail, the rail bed plate forms effective support to the rail under, the cushioning effect is obvious, the stopper sets up two, two stoppers are respectively the first stopper 4 with backing plate body 1's lower surface left side fixed connection, second stopper 5 with backing plate body 1's lower surface right side fixed connection, first stopper 4 and 5 symmetries of second stopper set up, backing plate body 1, first stopper 4 and second stopper 5 all adopt the natural rubber material, quiet rigidity is 25KN mm ~35KN mm, quiet rigidity is little, stable in structure, long service life. The longitudinal section of first stopper 4 and the longitudinal section of second stopper 5 are right trapezoid, and the width of the upper surface of first stopper 4 in the left and right directions is greater than the width of the lower surface of first stopper 4 in the left and right directions, and the width of the upper surface of second stopper 5 in the left and right directions is greater than the width of the lower surface of second stopper 5 in the left and right directions. The left surface of first stopper 4 and the left surface of backing plate body are on the coplanar, the leading flank of first stopper 4 and the leading flank of backing plate body 1 are on the coplanar, the trailing flank of first stopper 4 and the trailing flank of backing plate body 1 are on the coplanar, the contained angle of the right flank of first stopper 4 and horizontal plane is 120, the right flank of second stopper 5 and the right surface of backing plate body 1 are on the coplanar, the leading flank of second stopper 5 and the leading flank of backing plate body 1 are on the coplanar, the trailing flank of second stopper 5 and the trailing flank of backing plate body 1 are on the coplanar, the left surface of second stopper 5 and the contained angle of horizontal plane are 120. The height of the first limiting block 4 in the vertical direction is 10mm, and the height of the second limiting block 5 in the vertical direction is 10 mm.
When in use, the steel rail gauge block is matched with the iron base plate and the gauge block, and the two are opposite to each other to ensure the gauge of the steel rail.
Example 2
As shown in fig. 1 to 3, a rail lower backing plate for a subway fastener comprises a backing plate body 1, a plurality of first grooves 2 which are arranged on the upper surface of the backing plate body 1 and have upward openings, and a plurality of second grooves 3 which are arranged on the lower surface of the backing plate body 1 and have downward openings, wherein the first grooves 2 and the second grooves 3 are symmetrically arranged, the arrangement of the first grooves and the second grooves increases the friction force between the rail lower backing plate and an iron backing plate as well as a steel rail, reduces materials, has good elasticity and long service life, meets the requirement of high-speed operation of subway trains, promotes the development of future urban underground railways, the thickness of the backing plate body 1 in the vertical direction is 14mm, the plurality of first grooves 2 are sequentially arranged from left to right along the upper surface of the backing plate body, two adjacent first grooves 2 are parallel to each other, the plurality of second grooves 3 are sequentially arranged from left to right along the upper surface of the backing plate body 1, two adjacent second trenches 3 are parallel to each other. The longitudinal section of first slot 2 is isosceles trapezoid, and the longitudinal section of second slot 3 is isosceles trapezoid, and the width of first slot 2's bottom in the left and right directions is less than the width of first slot 2's top in the left and right directions, and the width of second slot 3's bottom in the left and right directions is greater than second slot 3's width in the top in the left and right directions, and first slot 2 and second slot 3 set up at the left and right directions interval of backing plate body. The width of the bottom of the first groove 2 in the left-right direction is 4mm, the width of the top of the first groove 2 in the left-right direction is 6mm, the depth of the first groove 2 is 3mm, and the distance between two adjacent first grooves 2 is 6 mm. The width of the bottom of the second groove 3 in the left-right direction is 6mm, the width of the top of the second groove 3 in the left-right direction is 4mm, the depth of the second groove 3 is 3mm, and the distance between two adjacent second grooves 3 is 6 mm.
The lower surface of backing plate body 1 is equipped with the stopper that blocks backing plate body 1 and remove, stopper and backing plate body 1 integrated into one piece, the stopper is fixed backing plate body 1 on the iron tie plate and is prevented to remove along with the rail, the rail bed plate forms effective support to the rail under, the cushioning effect is obvious, the stopper sets up two, two stoppers are respectively the first stopper 4 with backing plate body 1's lower surface left side fixed connection, second stopper 5 with backing plate body 1's lower surface right side fixed connection, first stopper 4 and 5 symmetries of second stopper set up, backing plate body 1, first stopper 4 and second stopper 5 all adopt the natural rubber material, quiet rigidity is 25KN mm ~35KN mm, quiet rigidity is little, stable in structure, long service life. The longitudinal section of first stopper 4 and the longitudinal section of second stopper 5 are right trapezoid, and the width of the upper surface of first stopper 4 in the left and right directions is greater than the width of the lower surface of first stopper 4 in the left and right directions, and the width of the upper surface of second stopper 5 in the left and right directions is greater than the width of the lower surface of second stopper 5 in the left and right directions. The left surface of first stopper 4 and the left surface of backing plate body are on the coplanar, the leading flank of first stopper 4 and the leading flank of backing plate body 1 are on the coplanar, the trailing flank of first stopper 4 and the trailing flank of backing plate body 1 are on the coplanar, the right flank of first stopper 4 and the contained angle of horizontal plane are 130, the right flank of second stopper 5 and the right surface of backing plate body 1 are on the coplanar, the leading flank of second stopper 5 and the leading flank of backing plate body 1 are on the coplanar, the trailing flank of second stopper 5 and the trailing flank of backing plate body 1 are on the coplanar, the left surface of second stopper 5 and the contained angle of horizontal plane are 130. The height of the first limiting block 4 in the vertical direction is 13mm, and the height of the second limiting block 5 in the vertical direction is 13 mm.
When in use, the steel rail gauge block is matched with the iron base plate and the gauge block, and the two are opposite to each other to ensure the gauge of the steel rail.
The utility model discloses the setting of first slot and second slot has increased the frictional force of rail lower bolster and iron backing plate and rail, reduces the material consumption simultaneously, and elasticity is good, and the setting of stopper prevents to remove along with the rail lower bolster is fixed on the iron backing plate, and the rail lower bolster forms effective support to the rail, and the shock attenuation is effectual, and backing plate body and stopper adopt the natural rubber material, and quiet rigidity is little, and long service life is showing and is reducing the maintenance operation, reduces the maintenance cost.
Claims (8)
1. The utility model provides a rail backing plate down for subway fastener which characterized in that: comprises a backing plate body, a plurality of first grooves which are positioned on the upper surface of the backing plate body and have upward openings, and a plurality of second grooves which are positioned on the lower surface of the backing plate body and have downward openings, wherein the first grooves and the second grooves are symmetrically arranged, the plurality of first grooves are sequentially arranged from left to right along the upper surface of the backing plate body, two adjacent first grooves are mutually parallel, the plurality of second grooves are sequentially arranged from left to right along the upper surface of the backing plate body, two adjacent second grooves are mutually parallel, the longitudinal section of the first groove is isosceles trapezoid, the longitudinal section of the second groove is isosceles trapezoid, the width of the bottom of the first groove in the left-right direction is smaller than the width of the top of the first groove in the left-right direction, the width of the bottom of the second groove in the left-right direction is larger than the width of the second groove in the left-right direction, and the first groove and the second groove are arranged at intervals in the left-right direction of the base plate body.
2. The tie plate for subway fasteners as claimed in claim 1, wherein: the width of the bottom of first slot in the left and right directions is 3~4mm, and the width of the top of first slot in the left and right directions is 5~6mm, and the degree of depth of first slot is 2~3mm, and the distance between two adjacent first slots is 5~6 mm.
3. The tie plate for subway fasteners as claimed in claim 1, wherein: the width of the bottom of the second groove in the left-right direction is 5-6 mm, the width of the top of the second groove in the left-right direction is 3-4 mm, the depth of the second groove is 2-3 mm, and the distance between every two adjacent second grooves is 5-6 mm.
4. The tie plate for subway fasteners as claimed in claim 1, wherein: the thickness of the base plate body in the vertical direction is 12-14 mm.
5. The tie plate for subway fasteners as claimed in claim 1, wherein: the lower surface of backing plate body is equipped with the stopper that blocks the backing plate body and remove, and the stopper sets up two, two stoppers respectively with the lower surface left side fixed connection of backing plate body first stopper, with the lower surface right side fixed connection's of backing plate body second stopper, first stopper and second stopper symmetry set up.
6. The tie plate for subway fasteners as claimed in claim 5, wherein: the longitudinal section of first stopper and the longitudinal section of second stopper are right trapezoid, and the width of the upper surface of first stopper in the left and right directions is greater than the width of the lower surface of first stopper in the left and right directions, and the width of the upper surface of second stopper in the left and right directions is greater than the width of the lower surface of second stopper in the left and right directions.
7. The tie plate for subway fasteners as claimed in claim 6, wherein: the left side of first stopper and the left side of backing plate body are on the coplanar, and the right flank of first stopper is 120~130 with the contained angle of horizontal plane, and the right flank of second stopper and the right surface of backing plate body are on the coplanar, and the left surface of second stopper is 120~130 with the contained angle of horizontal plane.
8. The tie plate for subway fasteners as claimed in claim 7, wherein: the height of the first limiting block in the vertical direction is 10-13 mm, and the height of the second limiting block in the vertical direction is 10-13 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196715.6U CN213203640U (en) | 2020-06-24 | 2020-06-24 | A rail bed plate for subway fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021196715.6U CN213203640U (en) | 2020-06-24 | 2020-06-24 | A rail bed plate for subway fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213203640U true CN213203640U (en) | 2021-05-14 |
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ID=75831466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021196715.6U Active CN213203640U (en) | 2020-06-24 | 2020-06-24 | A rail bed plate for subway fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213203640U (en) |
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2020
- 2020-06-24 CN CN202021196715.6U patent/CN213203640U/en active Active
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