CN217203395U - Steel rail fastener - Google Patents
Steel rail fastener Download PDFInfo
- Publication number
- CN217203395U CN217203395U CN202123248754.3U CN202123248754U CN217203395U CN 217203395 U CN217203395 U CN 217203395U CN 202123248754 U CN202123248754 U CN 202123248754U CN 217203395 U CN217203395 U CN 217203395U
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- rail
- bead
- rail fastener
- pressing strip
- layering
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Abstract
The utility model relates to a steel rail fastener for fix the rail on the railway roadbed, including rail lower bolster and T type bolt, rail lower bolster fix on the railway roadbed, a serial communication port, steel rail fastener still include the buckle, the buckle include the buckle body, the buckle body go up the parallel and be equipped with first layering and second layering, the buckle body on be equipped with the through-hole, the buckle body pass through fixation nut and the T type bolt fastening who passes the through-hole on the rail lower bolster, first layering and second layering be parallel with the rail, rail lower bolster on be equipped with the recess, wherein the second layering compresses tightly in the recess, first layering compress tightly the rail. Compared with the prior art, the utility model discloses effectively avoid the space conflict between rail fastener and the rail, improved the installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of the track mounting technique and specifically relates to a rail fastener is related to.
Background
Like fig. 9 and 10, fishtail splint 2 is the fastening piece that joint department of rail 1 played the joint action, can guarantee that 2 rail 1 aligns the junction and can not misplace askew, guarantees that rail 1 can stably use for a long time, can also produce the rail 1 of damage at the temporary fixation, and 2 fishtail splint 2 are a set of, follow 2 rail junction both sides, extrude the location to the rail junction, use splint bolt 3 to fix.
Referring to fig. 10, at present, a steel rail 1 is fixed on a track bed 8 through a fastener, the fastener includes a rail lower base plate 6, an elastic strip 10 and a T-shaped bolt 4, the elastic strip 10 is fixed on the rail lower base plate 6 through the T-shaped bolt 4, and meanwhile, the elastic strip 10 compresses the steel rail 1 to play a role in fixing the steel rail 1. In the work progress, when fastener and fishtail splint 2's mounted position was close to, like the A department in fig. 10, bullet strip 10 can take place the space conflict with fishtail splint 2, during the space conflict, need the scene to polish and adjust just can accomplish the installation, even unable installation, reduction efficiency of construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rail fastener in order to overcome the defect that above-mentioned prior art exists, effectively avoid the space conflict between rail fastener and the rail, improved the installation effectiveness.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a steel rail fastener for fix the rail on the railway roadbed, including rail lower bolster and T type bolt, rail lower bolster fix on the railway roadbed, steel rail fastener still include the buckle, the buckle include the buckle body, buckle body parallel on be equipped with first layering and second layering, the buckle body on be equipped with the through-hole, the buckle body pass through fixation nut and pass the T type bolt fixation of through-hole on the rail lower bolster, first layering and second layering parallel with the rail, rail lower bolster on be equipped with the recess, wherein the second layering compresses tightly in the recess, first layering compress tightly the rail.
Furthermore, a through groove is formed in the middle of the first pressing strip and the middle of the second pressing strip in the direction perpendicular to the pressing strips.
Furthermore, the through hole is a kidney-shaped hole.
Further, the direction of the waist-shaped hole is perpendicular to the direction of the batten.
Furthermore, a spring washer is arranged between the fixing nut and the pinch plate body.
Further, the spring washer is a WG type wave washer.
Furthermore, the first pressing strip and the second pressing strip are provided with rounding angles.
Further, the groove is matched with the second pressing strip.
Furthermore, the buckle plate body, the first pressing strip and the second pressing strip are designed integrally.
Further, the height of the second pressing strip is larger than that of the first pressing strip.
Compared with the prior art, the utility model discloses has with following beneficial effect:
(1) the utility model compresses tightly the steel rail through the first pressing strip parallel to the steel rail, and because the first pressing strip is in a long strip shape and is installed along the direction parallel to the steel rail, compared with the mode of adopting elastic strip fastening, under the condition of meeting the requirement of pressing force, the occupied space of the steel rail fastener along the direction vertical to the steel rail is reduced, the space conflict between the steel rail fastener and the steel rail is effectively avoided, the steel rail fastener does not need to be polished, and the installation efficiency is improved;
(2) the middle part of the first pressing strip and the middle part of the second pressing strip are provided with the through grooves along the direction vertical to the pressing strips, so that the damage of the steel rail and the abrasion of the rail angle caused by the unbalanced stress of the whole steel rail due to the overlarge buckling pressure of the buckling plate are avoided;
(3) the through hole of the utility model is a waist-shaped hole, the direction of the waist-shaped hole is vertical to the direction of the batten, the position of the buckle plate can be adjusted along the direction of the waist-shaped hole, the adjustable margin is provided, the space conflict with the fishtail splint can be avoided, and the application range is wide;
(4) the spring washer is arranged between the fixing nut and the buckle plate body, so that the elasticity between the buckle plate and the steel rail is increased, the vibration of the steel rail is prevented from being completely transmitted to the T-shaped bolt due to insufficient elasticity, the T-shaped bolt is further prevented from being loosened and even broken frequently, the service life is long, and the structure is stable;
(5) the first pressing bar and the second pressing bar of the utility model are provided with the fillets, thus reducing the abrasion of the pinch plate to the lower backing plate 6 of the rail and the steel rail;
(6) the groove of the utility model is matched with the second pressing bar, which ensures the position of the buckle plate to be fixed, the structure is stable and the reliability is high;
(7) the buckle plate body, the first pressing strip and the second pressing strip are integrally designed, so that the manufacturing cost is low;
(8) the utility model discloses the height that highly is greater than first layering of second layering guarantees that the buckle body keeps the level, is favorable to the installation of T type bolt.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic view of the upper side of the buckle plate;
FIG. 4 is a perspective view of the underside of the buckle plate;
FIG. 5 is a cross-sectional view of the pinch plate;
FIG. 6 is a top view of the clip;
FIG. 7 is a perspective view of a spring washer;
FIG. 8 is a cross-sectional view of a T-bolt;
FIG. 9 is an assembly view of the fishtail rail;
FIG. 10 is a schematic view of a conventional rail fastening system;
the reference numbers in the figures illustrate:
1. the steel rail comprises a steel rail, 2 parts of fishtail clamping plates, 3 parts of clamping plate bolts, 4 parts of T-shaped bolts, 5 parts of clamping plates, 6 parts of rail lower base plates, 7 parts of anchoring bolts, 8 parts of track beds, 9 parts of spring washers, 10 parts of elastic strips, 11 parts of fixing nuts, 12 parts of grooves, 51 parts of clamping plate bodies, 52 parts of first pressing strips, 53 parts of through grooves, 54 parts of through holes and 55 parts of second pressing strips.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A steel rail fastener is used for fixing a steel rail 1 on a track bed 8 and comprises a T-shaped bolt 4, a buckle plate 5 and a rail lower cushion plate 6, wherein the rail lower cushion plate 6 is fixed on the track bed 8, as shown in figures 3 and 4, the buckle plate 5 comprises a buckle plate body 51, a first pressing strip 52 and a second pressing strip 55 are arranged on the buckle plate body 51 in parallel, a through hole 54 is formed in the buckle plate body 51, the buckle plate body 51 is fixed on the rail lower cushion plate 6 through a fixing nut 11 and the T-shaped bolt 4 penetrating through the through hole 54, the cross section of the T-shaped bolt 4 is shown in figure 8, the first pressing strip 52 and the second pressing strip 55 are parallel to the steel rail 1, a groove 12 is formed in the rail lower cushion plate 6, the second pressing strip 55 is pressed in the groove 12, and the first pressing strip 52 presses the steel rail 1.
Compress tightly rail 1 through the first layering 52 parallel with rail 1, because first layering 52 is rectangular shape, and install along the direction that is on a parallel with rail 1, compare in the mode that adopts the straining of bullet strip 10, under the condition that accords with the packing force requirement, reduced rail fastener along the ascending occupation space of perpendicular to rail 1 side, effectively avoid the space conflict between rail fastener and the rail 1, need not polish rail fastener, improved the installation effectiveness.
Through grooves 53 are formed in the middle of the first pressing strip 52 and the middle of the second pressing strip 55 along the direction perpendicular to the pressing strips 52, so that the problems that the stress of the whole steel rail 1 is unbalanced due to the excessive pressing force (standard 100-120 Nm) of the buckling plate 5, the steel rail 1 is damaged, the rail corners are abraded and the like are solved.
Be equipped with spring washer 9 between fixation nut 11 and the buckle body 51, as figure 7, spring washer 9 is WG type wave form packing ring, increases the elasticity between buckle 5 and the rail 1, avoids on elasticity is not enough and leads to the vibration of rail 1 all to transmit T type bolt 4, and then leads to T type bolt 4 often to loosen and take off even fracture, long service life, stable in structure.
The first pressing strip 52 and the second pressing strip 55 are provided with rounded corners, so that the abrasion of the pinch plate 5 to the lower rail pad 6 and the steel rail 1 is reduced.
The groove 12 is matched with the second pressing strip 55, so that the position of the pinch plate 5 is fixed, the structure is stable, and the reliability is high.
The buckle plate body 51, the first pressing strip 52 and the second pressing strip 55 are integrally designed, and the manufacturing cost is low.
As shown in fig. 5, the height H of the second pressing strip 55 is greater than the height H of the first pressing strip 52, so that the buckle plate body 51 is kept horizontal, which is beneficial to the installation of the T-shaped bolt 4.
Example 2
In this embodiment, as shown in fig. 6, the through hole 54 is a waist-shaped hole, the direction of the waist-shaped hole is perpendicular to the direction of the bead 52, the position of the buckle 5 can be adjusted along the direction of the waist-shaped hole, and the adjustable margin is provided, so that the spatial conflict with the fishtail splint 2 can be avoided, and the application range is wide.
The rest is the same as in example 1.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A steel rail fastener is used for fixing a steel rail (1) on a track bed (8) and comprises a lower rail base plate (6) and T-shaped bolts (4), the lower rail base plate (6) is fixed on the track bed (8), and the steel rail fastener is characterized in that the steel rail fastener further comprises a buckle plate (5), the buckle plate (5) comprises a buckle plate body (51), a first pressing strip (52) and a second pressing strip (55) are arranged on the buckle plate body (51) in parallel, a through hole (54) is formed in the buckle plate body (51), the buckle plate body (51) is fixed on the lower rail base plate (6) through a fixing nut (11) and a T-shaped bolt (4) penetrating through the through hole (54), the first pressing strip (52) and the second pressing strip (55) are parallel to the steel rail (1), a groove (12) is formed in the lower rail base plate (6), and the second pressing strip (55) is pressed in the groove (12), the first pressing strip (52) presses the steel rail (1).
2. A rail fastener according to claim 1, wherein the central portion of the first bead (52) and the central portion of the second bead (55) are provided with a through-slot (53) in a direction perpendicular to the bead (52).
3. A rail fastener according to claim 1, wherein said aperture (54) is a kidney-shaped aperture.
4. A rail fastener according to claim 3, in which the said kidney-shaped aperture is oriented transversely to the direction of the bead (52).
5. A rail fastener according to claim 1, wherein a spring washer (9) is provided between the fixing nut (11) and the clip body (51).
6. A rail fastener according to claim 5, in which said spring washers (9) are WG-type wave washers.
7. A rail fastener according to claim 1, wherein the first bead (52) and the second bead (55) are rounded.
8. A rail fastener according to claim 1, wherein said recess (12) is adapted to receive a second bead (55).
9. A rail fastener according to claim 1, wherein said clip body (51), said first bead (52) and said second bead (55) are integrally formed.
10. A rail fastener according to claim 1, wherein the second bead (55) has a height greater than the height of the first bead (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123248754.3U CN217203395U (en) | 2021-12-22 | 2021-12-22 | Steel rail fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123248754.3U CN217203395U (en) | 2021-12-22 | 2021-12-22 | Steel rail fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217203395U true CN217203395U (en) | 2022-08-16 |
Family
ID=82785347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123248754.3U Active CN217203395U (en) | 2021-12-22 | 2021-12-22 | Steel rail fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217203395U (en) |
-
2021
- 2021-12-22 CN CN202123248754.3U patent/CN217203395U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230818 Address after: Room 1089, 6 / F, B1, 253 Jianguo West Road, Xuhui District, Shanghai 200031 Patentee after: SHANGHAI RAIL TRANSIT MAINTENANCE SUPPORT Co.,Ltd. Address before: Room 1097, 6 / F, B1, 253 Jianguo West Road, Xuhui District, Shanghai 200031 Patentee before: WORKS BRANCH, SHANGHAI SUBWAY MAINTENANCE GUARANTEE Co.,Ltd. |