CN219637587U - Fastener backing plate for urban railway station - Google Patents
Fastener backing plate for urban railway station Download PDFInfo
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- CN219637587U CN219637587U CN202320330787.2U CN202320330787U CN219637587U CN 219637587 U CN219637587 U CN 219637587U CN 202320330787 U CN202320330787 U CN 202320330787U CN 219637587 U CN219637587 U CN 219637587U
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- fastener
- backing plate
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- bolt
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- 238000009826 distribution Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of urban railways, in particular to a fastener backing plate for a urban rail yard, which comprises a backing plate body, wherein four corners of the backing plate body are respectively provided with a mounting boss for mounting a spring bar and a T-shaped bolt and a mounting platform for mounting an anchor bolt, the two mounting bosses are distributed in a diagonal manner, the mounting boss is provided with a T-shaped bolt hole for mounting the T-shaped bolt, the T-shaped bolt hole comprises a strip hole and a rotary groove, the rotary groove is provided with a limit clamping groove for clamping the head of the T-shaped bolt, the limit clamping groove is formed by four limit blocks in rectangular distribution, the four limit blocks comprise a first limit block and a second limit block, the lower surface of the first limit block is lower than the lower surface of the second limit block, the two limit blocks are distributed in a diagonal manner, and the mounting platform is provided with a transverse waist-shaped hole for passing through the rod part of the anchor bolt. The utility model has large track gauge adjustment quantity, meets the requirement of large track gauge adjustment quantity of the station fasteners, and has strong stability and fatigue resistance.
Description
Technical field:
the utility model belongs to the technical field of urban railways, and particularly relates to a fastener backing plate for a urban rail yard.
The background technology is as follows:
the urban railway is a novel rail transit system between the inter-urban railway and the urban rail transit, has the characteristics of short station distance, high density, large traffic volume, high speed, short interval time and public transportation traffic service. The railway lines in the urban railway yards are divided into positive lines, station lines, section lines, turnout lines and special-purpose lines according to the purposes, the common positive line railway fasteners have extremely limited distance adjusting capability on the steel rail, and the requirement of large-track distance adjusting quantity of the railway fasteners of other lines of the yards can not be met. Meanwhile, trains in a station yard can be frequently started and braked, so that the station yard fastener needs to have strong capability of keeping geometric shape and position of a track structure and resisting fatigue.
The utility model comprises the following steps:
the utility model aims to provide a fastener backing plate for a rail yard in a city domain, which has large track gauge adjustment quantity, meets the requirement of large track gauge adjustment quantity of a yard fastener, and has strong stability and fatigue resistance.
The utility model is realized in the following way:
the utility model provides a city railway station is with fastener backing plate, includes the backing plate body, be equipped with the installation boss and the mounting platform that is used for installing anchor bolt that are used for installing bullet strip and T type bolt on four angles of backing plate body respectively, two installation bosses become the diagonal and distribute, two installation platforms become the diagonal and distribute, be equipped with the T type bolt hole that is used for installing T type bolt on the installation boss, T type bolt hole is including being used for through the rectangular hole of T type bolt head and being located rectangular hole below and supplying T type bolt head pivoted rotary slot, be equipped with the spacing draw-in groove that is used for the card to establish T type bolt head on the rotary slot, the spacing draw-in groove is formed by four stopper that connect at rectangular hole lower surface and be the rectangle and distribute, and four stopper include two stopper first and two stopper second, and the lower surface of stopper first is less than the lower surface of stopper second, two stopper one become the diagonal and distribute, be equipped with the horizontal waist type hole that is used for through anchor bolt pole portion on the mounting platform.
In the fastener backing plate for the urban railway battlefield, the rotary groove is a circular groove.
In the fastener backing plate for the urban railway station, the rod part of the anchor bolt is sleeved with the flat gasket positioned above the mounting platform, the lower surface of the flat gasket is provided with the plurality of first longitudinal teeth, and the mounting platform around the transverse waist-shaped hole is provided with the second longitudinal teeth meshed with the first longitudinal teeth.
In the fastener backing plate for the urban railway station, the distance S1 between the longitudinal teeth II is 4mm, the transverse length L1 of the longitudinal teeth II is 76mm, the longitudinal length L2 of the longitudinal teeth II is 58mm, and the center distance S2 between two circular arcs of the transverse waist-shaped holes is 16mm.
In the fastener backing plate for the urban railway station, the mounting platform is provided with the limiting convex blocks for longitudinally limiting the flat gasket.
In the fastener base plate for the urban railway station, longitudinal limiting bosses for longitudinally limiting the rail lower base plate are respectively arranged on the front side and the rear side of the base plate body.
In the fastener backing plate for the urban railway station, the installation boss is provided with the U-shaped open slot, the spring strip is a W-shaped spring strip, and the steel rail end of the W-shaped spring strip is buckled and pressed into the steel rail, and the tail seat end of the W-shaped spring strip is embedded into the U-shaped open slot.
In the fastener backing plate for the urban railway station, the lower surface of the first limiting block is flush with the lower surface of the backing plate body, and the height of the second limiting block is higher than that of the head of the T-shaped bolt.
In the fastener backing plate for the urban railway station, the installation boss, the installation platform, the limiting block and the backing plate body are of an integrated structure and made of high-strength metal materials.
Compared with the prior art, the utility model has the outstanding advantages that:
1. the mounting bosses are distributed diagonally, the two mounting platforms are distributed diagonally, and the reasonable staggered space layout structure is adopted, so that the structure is compact, the stability is strong, the impact force caused by frequent starting and braking of a train can be effectively resisted, the geometric shape and the position of the track structure are kept, the fatigue resistance is strong, the space size is small, and the construction and mounting requirements of different working conditions can be met; according to the utility model, the head of the T-shaped bolt is limited by the limiting clamping groove, so that the mounting precision is high, the stability of the mounting state is strong, the abnormal abrasion caused by inaccurate mounting position is reduced, and the use stability and the service life are improved; the lower surface of the first limiting block is lower than the lower surface of the second limiting block, and the first limiting block effectively limits the rotation position of the T-shaped bolt so as to be convenient to clamp into the limiting clamping groove; the transverse waist-shaped holes are formed in the mounting platform, so that the anchoring bolts can adjust the transverse positions in the transverse waist-shaped holes, and the large-gauge adjustment can be realized, and the requirement of the large-gauge adjustment of the rail of the station line can be met;
2. the rod part of the anchoring bolt is sleeved with the flat gasket positioned above the mounting platform, the lower surface of the flat gasket is provided with the longitudinal teeth I, the mounting platform around the transverse waist-shaped hole is provided with the longitudinal teeth II meshed with the longitudinal teeth I, the fastener backing plate is fixed in a manner of meshing the longitudinal teeth I and the longitudinal teeth II, the mounting and the distance adjustment are accurate, the displacement is not easy, the integral stability is effectively ensured, the stress area is increased, and the fatigue resistance of the fastener backing plate is improved when the fastener backing plate is stressed;
3. the mounting platform is provided with the limiting convex blocks for longitudinally limiting the flat gasket, so that the accurate mounting of the flat gasket is effectively ensured, the flat gasket is not easy to shift, and the stability is improved;
4. the U-shaped open slot is arranged on the installation boss, the elastic strip is a W-shaped elastic strip, the steel rail end of the W-shaped elastic strip is buckled and pressed with the steel rail, the tail seat end of the W-shaped elastic strip is embedded into the U-shaped open slot, the positioning is accurate, the installation is convenient, the pre-assembly can be performed before the track construction, the construction rapidness and convenience are facilitated, and meanwhile, the stability and the fatigue resistance in the service process are greatly improved due to the limit design of the U-shaped open slot.
Description of the drawings:
FIG. 1 is a perspective view of a fastener shim plate of the present utility model;
FIG. 2 is another perspective view of the fastener shim plate of the present utility model;
FIG. 3 is a front view of the fastener shim plate of the present utility model;
FIG. 4 is a top view of the fastener shim plate of the present utility model;
FIG. 5 is a perspective view of the fastener of the present utility model;
fig. 6 is a perspective view of the fastener of the present utility model without the lower plate.
Reference numerals: 1. a pad body; 2. spring strips; 3. a T-shaped bolt; 4. a mounting boss; 5. an anchor bolt; 6. a mounting platform; 7. t-shaped bolt holes; 7a, a strip hole; 7b, a rotary groove; 7c, limiting clamping grooves; 7d, limiting a first block; 7e, limiting a second block; 8. a transverse waist-shaped hole; 9. a flat gasket; 10. longitudinal teeth I; 11. longitudinal teeth II; 12. a limit bump; 13. a rail pad; 14. longitudinal limit boss; 15. u-shaped open slot; 16. a steel rail; 17. a flat gasket; 18. a nut; 19. and a lower backing plate.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-6:
the utility model provides a city railway station is with fastener backing plate, includes backing plate body 1, be equipped with the installation boss 4 that is used for installing bullet strip 2 and T type bolt 3 and the mounting platform 6 that is used for installing anchor bolt 5 on four angles of backing plate body 1 respectively, two installation bosses 4 become the diagonal distribution, two mounting platform 6 become the diagonal distribution, be equipped with the T type bolt hole 7 that is used for installing T type bolt 3 on the installation boss 4, T type bolt hole 7 is including being used for through the rectangular hole 7a of T type bolt 3 head and being located rectangular hole 7a below and supplying T type bolt 3 head pivoted rotary slot 7b, be equipped with the spacing draw-in groove 7c that is used for the card to establish T type bolt 3 head on the rotary slot 7b, spacing draw-in groove 7c is by four connection at rectangular hole 7a lower surface and be the stopper formation of rectangular distribution, four stoppers include two stopper one 7d and two stopper two 7e, and the lower surface that the stopper one 7d is less than stopper two 7e becomes the diagonal distribution, be equipped with on the anchor 6 and be used for the horizontal shank 8 of anchor platform through the horizontal bolt portion 5.
Further, the limit clamping groove 7c is arranged perpendicular to the strip hole 7 a.
In order to reduce the area of the rotary groove 7b and strengthen the strength of the fastener backing plate of the utility model, the rotary groove 7b is a circular groove,
in the present embodiment, the left-right direction is the lateral direction, and the front-rear direction is the longitudinal direction.
The working principle of the utility model is as follows: as shown in fig. 1-6, when the T-shaped bolt 3 is installed, the head of the T-shaped bolt 3 extends into the rotary groove 7b through the strip hole 7a and rotates for 90 degrees to be in contact with the first limiting block 7d, and then the nut 18 is screwed down to fasten the elastic strip 2, the T-shaped bolt 3 is automatically lifted upwards to enter the limiting clamping groove 7c; when the T-shaped bolt is disassembled, the nut 18 is unscrewed, the T-shaped bolt 3 moves downwards to be separated from the limiting clamping groove 7c, the T-shaped bolt 3 is rotated by 90 degrees in the direction opposite to the installation direction, the T-shaped bolt 3 is lifted upwards, and the T-shaped bolt 3 is separated from the fastener backing plate through the long strip hole 7 a. The steel rail 16 is buckled and fixed on the fastener backing plate through the elastic strip 2 and the T-shaped bolt 3, and the fastener is fixed on the sleeper through the anchor bolt 5.
According to the utility model, the two mounting bosses 4 are distributed diagonally, the two mounting platforms 6 are distributed diagonally, and a reasonable staggered space layout structure is adopted, so that the structure is compact, the stability is strong, the impact force caused by frequent starting and braking of a train can be effectively resisted, the geometric shape and the position of the track structure are kept, the fatigue resistance is strong, the space size is small, and the construction and mounting requirements of different working conditions can be met; according to the utility model, the head of the T-shaped bolt 3 is limited through the limiting clamping groove 7c, so that the mounting precision is high, the stability of the mounting state is strong, the abnormal abrasion caused by inaccurate mounting position is reduced, the use stability is improved, and the service life is prolonged; the lower surface of the first limiting block 7d is lower than the lower surface of the second limiting block 7e, and the first limiting block 7d effectively limits the rotation position of the T-shaped bolt 3 so as to be convenient to clamp into the limiting clamping groove 7c; the transverse waist-shaped holes 8 are formed in the mounting platform 6, so that the anchoring bolts 5 can adjust the transverse positions in the transverse waist-shaped holes 8, and the large-gauge adjustment can be realized, and the requirement of large-gauge adjustment of a rail of a station line can be met.
In order to better fix the fastener backing plate of the utility model, so that the fastener backing plate is not easy to shift, as shown in fig. 1 and 3-5, the rod part of the anchor bolt 5 is sleeved with a flat gasket 9 positioned above the mounting platform 6, the lower surface of the flat gasket 9 is provided with a plurality of longitudinal teeth I10, and the mounting platform 6 around the transverse waist-shaped hole 8 is provided with longitudinal teeth II 11 meshed with the longitudinal teeth I10. The fastener backing plate is fixed by the way that the first longitudinal teeth 10 and the second longitudinal teeth 11 are meshed, the installation and the distance adjustment are accurate, the displacement is not easy, the integral stability is effectively ensured, the stress area is increased, and the fatigue resistance of the fastener backing plate is improved when the fastener backing plate is stressed.
Preferably, the space S1 between the second longitudinal teeth 11 is 4mm, the transverse length L1 of the second longitudinal teeth 11 is 76mm, the longitudinal length L2 of the second longitudinal teeth 11 is 58mm, and the center distance S2 between two circular arcs of the transverse waist-shaped hole 8 is 16mm, as shown in fig. 3 and 4. When the distance is adjusted, the fastener backing plate is matched with the flat gasket 9 for use, the first-level track adjustment of 4mm can be carried out, the adjustment range is-16 mm to +16mm, and the track adjustment amount is large.
In order to ensure accurate installation and difficult displacement of the flat gasket 9 and improve stability, the installation platform 6 is provided with a limiting lug 12 for longitudinally limiting the flat gasket 9.
Further, longitudinal limiting bosses 14 for longitudinally limiting the rail pad 13 are respectively arranged on the front side and the rear side of the pad body 1, as shown in fig. 1-6. The clamping groove of the rail lower backing plate 13 clamps the longitudinal limiting boss 14 during installation, so that the installation position of the rail lower backing plate 13 is guaranteed, the risk of displacement of the rail lower backing plate 13 caused by frequent starting and braking of a train can be effectively prevented, and the stability and safety are improved.
For accurate installation and convenient installation of the elastic strip 2, as shown in fig. 1, 3 and 5, the installation boss 4 is provided with a U-shaped open slot 15, the elastic strip 2 is a W-shaped elastic strip, the steel rail end of the W-shaped elastic strip is buckled and pressed into the steel rail 16, and the tail seat end is embedded into the U-shaped open slot 15. During installation, the elastic strip 2 is directly arranged in the U-shaped open slot 15, and the flat washer 17 and the nut 18 are utilized to finish positioning and installation of the elastic strip 2, so that the positioning is accurate, the installation is convenient, the preassembly can be performed before track construction, and the construction rapidness and convenience are facilitated. Meanwhile, due to the limit design of the U-shaped open slot 15, the stability and the fatigue resistance in the service process are greatly improved.
In order to better limit the rotation position of the head part of the T-shaped bolt 3, the lower surface of the first limiting block 7d is flush with the lower surface of the backing plate body 1; in order to better clamp the head of the T-shaped bolt 3, the T-shaped bolt 3 is prevented from being separated from the limiting clamping groove 7c, and the height of the second limiting block 7e is higher than that of the head of the T-shaped bolt 3.
Furthermore, the installation boss 4, the installation platform 6, the limiting block and the backing plate body 1 are of an integrated structure and are made of high-strength metal materials, so that the integrity is high, and the stability and safety of the fastener backing plate are improved in service.
The utility model is characterized in that the fastener backing plate is used as an important part of a rail fastener for a urban railway battlefield, is a foundation for bearing the fastener part, is an important part of a fastener system for the urban railway battlefield, and has the functions of bearing the rail force and transmitting the rail force to a lower concrete sleeper so as to keep the geometric state of the fastener.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a city railway station is fastener backing plate for field which characterized in that: including backing plate body (1), be equipped with on four angles of backing plate body (1) respectively be used for installing installation boss (4) of bullet strip (2) and T type bolt (3) and be used for installing mounting platform (6) of anchor bolt (5), two installation boss (4) diagonal distributions are become to two mounting platform (6), be equipped with T type bolt hole (7) that are used for installing T type bolt (3) on mounting boss (4), T type bolt hole (7) including rectangular hole (7 a) and being located rectangular hole (7 a) below that are used for T type bolt (3) head pivoted rotary groove (7 b), be equipped with on rotary groove (7 b) and be used for the card to establish limit draw-in groove (7 c) of T type bolt (3) head, limit draw-in groove (7 c) are formed by four stoppers that are connected at rectangular hole (7 a) lower surface and are the distribution, and four stoppers include two stoppers (7 d) and two stoppers (7 e), and two stoppers (7 e) are used for two stopper (7 d) are equipped with two lower side-by two rectangular hole (7 d) and are used for two stopper (7 d) lower surface profile of anchor bolt (7 d) on the horizontal bolt (8).
2. A fastener pallet for a urban rail yard according to claim 1, wherein: the rod part of the anchor bolt (5) is sleeved with a flat gasket (9) positioned above the mounting platform (6), a plurality of first longitudinal teeth (10) are arranged on the lower surface of the flat gasket (9), and second longitudinal teeth (11) meshed with the first longitudinal teeth (10) are arranged on the mounting platform (6) around the transverse waist-shaped hole (8).
3. A fastener pallet for a urban rail yard according to claim 2, wherein: the distance between the two longitudinal teeth (11) is 4mm, the transverse length of the two longitudinal teeth (11) is 76mm, and the center distance between two circular arcs of the transverse waist-shaped hole (8) is 16mm.
4. A fastener pallet for a urban rail yard according to claim 2 or 3, characterized in that: and a limiting lug (12) for longitudinally limiting the flat gasket (9) is arranged on the mounting platform (6).
5. A fastener pallet for a urban rail yard according to claim 1, wherein: longitudinal limiting bosses (14) for longitudinally limiting the rail lower base plate (13) are respectively arranged on the front side and the rear side of the base plate body (1).
6. A fastener pallet for a urban rail yard according to claim 1, wherein: the installation boss (4) is provided with a U-shaped open slot (15), the elastic strip (2) is a W-shaped elastic strip, the steel rail end of the W-shaped elastic strip is buckled and pressed into the steel rail (16), and the tail seat end is embedded into the U-shaped open slot (15).
7. A fastener pallet for a urban rail yard according to claim 1, wherein: the lower surface of the first limiting block (7 d) is flush with the lower surface of the base plate body (1), and the height of the second limiting block (7 e) is higher than that of the head of the T-shaped bolt (3).
8. A fastener pallet for a urban rail yard according to claim 1, wherein: the mounting boss (4), the mounting platform (6), the limiting block and the backing plate body (1) are of an integrated structure and are made of high-strength metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330787.2U CN219637587U (en) | 2023-02-22 | 2023-02-22 | Fastener backing plate for urban railway station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320330787.2U CN219637587U (en) | 2023-02-22 | 2023-02-22 | Fastener backing plate for urban railway station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637587U true CN219637587U (en) | 2023-09-05 |
Family
ID=87815289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320330787.2U Active CN219637587U (en) | 2023-02-22 | 2023-02-22 | Fastener backing plate for urban railway station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637587U (en) |
-
2023
- 2023-02-22 CN CN202320330787.2U patent/CN219637587U/en active Active
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