CN219342708U

CN219342708U - Iron backing plate for high-speed railway fastener

Info

Publication number: CN219342708U
Application number: CN202320080676.0U
Authority: CN
Inventors: 邵缇; 李承亮; 刘惠敏; 韦智慧; 王峰
Original assignee: CENTRAL PLAINS LEADER RAILWAY TRACK TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: CENTRAL PLAINS LEADER RAILWAY TRACK TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-07-14
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses an iron backing plate for a high-speed railway fastener, which comprises a plate body, wherein the extending direction of a rail is taken as the front-rear direction, the left end and the right end of the plate body are respectively provided with a bulge extending upwards, the outer sides of the bulges are vertical elevation surfaces, and the elevation surfaces are in butt joint with the end surfaces of the left end and the right end of the plate body and are positioned on the same plane; the middle position of the plate body is provided with a rail lower base plate installation area, the periphery of the rail lower base plate installation area is provided with a limit structure, and the limit structure and the rail lower base plate form limit fit; the plate body is also symmetrically provided with two waist-shaped long holes extending in the left-right direction, and the waist-shaped long holes are used for penetrating through the fixing bolts; the inner end positions of the waist-shaped long holes are provided with upright posts, and the inner sides of the upright posts are matched with the insulating track gauge blocks. According to the utility model, the bulges are arranged at the two ends of the plate body of the iron base plate, so that the contact area between the iron base plate and the gauge baffle is increased, and the abrasion damage of the gauge baffle is avoided.

Description

Iron backing plate for high-speed railway fastener

Technical Field

The utility model relates to the technical field of railway engineering, in particular to an iron backing plate for a high-speed railway fastener.

Background

The general fastener consists of a steel rail fastener and a rail underlayer. The buckling piece mainly has the functions of fixing the steel rail, limiting the movement of the steel rail back and forth, left and right and up and down, and keeping the geometric dimension of the rail. The under-rail cushion layer mainly provides enough elasticity for the rail, and simultaneously assists the buckling piece to fix the steel rail. The rail lower cushion layer comprises an iron cushion plate, an iron cushion plate lower elastic cushion plate and a rail lower cushion plate, has the height-adjusting requirement and also comprises an iron cushion plate lower height-adjusting cushion plate and a rail lower height-adjusting cushion plate.

The high-speed railway iron backing plate structure form is various, and current iron backing plate is in the use, and iron backing plate and gauge baffle contact cause gauge baffle wearing and tearing to destroy. For this purpose, the applicant has devised a new type of iron shim plate to avoid wear damage to the gage plate.

Disclosure of Invention

The utility model provides an iron backing plate for a high-speed railway fastener, which aims to solve the problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the iron pad for the high-speed railway fastener comprises a plate body, wherein the extending direction of a rail is taken as the front-back direction, the left end and the right end of the plate body are respectively provided with a bulge extending upwards, the outer sides of the bulges are vertical faces, and the vertical faces are in butt joint with the end faces of the left end and the right end of the plate body and are positioned on the same plane;

the middle position of the plate body is provided with a rail lower base plate installation area, the periphery of the rail lower base plate installation area is provided with a limit structure, and the limit structure and the rail lower base plate form limit fit;

the plate body is also symmetrically provided with two waist-shaped long holes extending in the left-right direction, and the waist-shaped long holes are used for penetrating through the fixing bolts; the inner end positions of the waist-shaped long holes are provided with upright posts, and the inner sides of the upright posts are matched with the insulating track gauge blocks.

Furthermore, the installation area of the rail lower base plate is rectangular, and the limiting structure comprises bosses which are fixedly arranged at four corners of the installation area of the rail lower base plate respectively.

Further, the upright post is of a strip structure extending in the front-rear direction.

Further, a semicircular groove is formed in the position, corresponding to the waist-shaped long hole, of the upright post, and the semicircular groove is overlapped with the waist-shaped long hole.

Further, the upper end of the upright post is provided with a groove.

Further, the protrusions are of a trapezoid table structure.

Further, the left-right direction of the plate body is the length direction thereof.

Further, the lower part of the plate body is in a plane structure.

Further, the iron pad plate is made of QT450-10.

The utility model has the beneficial effects that:

according to the utility model, the protrusions extending upwards are respectively arranged at the left end and the right end of the plate body of the iron base plate, so that the contact area between the iron base plate and the gauge baffle is increased, and the abrasion damage of the gauge baffle is avoided.

The limit structure comprises the bosses fixedly arranged at four corners of the installation area of the rail lower base plate, and the bosses are in limit fit with the rail lower base plate, so that the rail lower base plate is convenient to install, and meanwhile, the rail lower base plate is prevented from shifting in the use process.

The left and right positions on the plate body are also provided with the stand columns, the inner sides of the stand columns are matched with the insulating gauge blocks, the stand columns are matched with the steel rails to limit the insulating gauge blocks between the stand columns and the steel rails, and then the insulating gauge blocks are compressed by the elastic strips, so that the quick installation of the insulating gauge blocks and the stability after the installation are ensured.

According to the utility model, the two waist-shaped long holes extending in the left-right direction are symmetrically arranged on the plate body, so that the installation of the fixing bolt and the adjustment of the track gauge are facilitated.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a schematic installation view of the present utility model;

fig. 5 is a front view of fig. 4.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

As shown in fig. 1 to 5, the present embodiment provides an iron pad for a high-speed railway clip, which includes a plate body 1, wherein the extending direction of a rail is taken as the front-rear direction, and the left-right direction of the plate body 1 is taken as the length direction. The lower part of the plate body 1 is in a plane structure.

The left and right ends of the plate body 1 are respectively provided with a bulge 2 extending upwards, the outer side of the bulge 2 is provided with a vertical elevation, and the elevation is in butt joint with the end surfaces of the left and right ends of the plate body and is positioned on the same plane.

In this embodiment, the protrusion 2 has a trapezoidal table structure.

According to the utility model, the iron base plate 20 increases the contact area between the iron base plate and the gauge baffle 10 through the arrangement of the bulges 2 at the two ends, so that the abrasion damage of the gauge baffle is avoided.

The middle position of the plate body 1 is provided with a rail lower base plate installation area, the periphery side of the rail lower base plate installation area is provided with a limiting structure, and the limiting structure and the rail lower base plate 30 form limiting fit.

In this embodiment, the installation area of the rail lower pad is rectangular, and the limiting structure includes bosses 3 fixedly arranged at four corners of the installation area of the rail lower pad, so as to fix the rail lower pad 30. This design facilitates installation of the rail pad 30 while avoiding shifting of the rail pad 30 during use.

The plate body 1 is also symmetrically provided with two waist-shaped long holes 4 extending in the left-right direction, and the waist-shaped long holes 4 are used for penetrating through the fixing bolts and adjusting the track gauge.

The inner end positions of the waist-shaped long holes 4 are respectively provided with a stand column 5, and the inner sides of the stand columns 5 are matched with the insulating track gauge blocks 40.

In this embodiment, the upright 5 has a long structure extending in the front-rear direction. The upright post 5 is provided with a semicircular groove at the position corresponding to the waist-shaped long hole 4, and the semicircular groove is overlapped with the waist-shaped long hole.

The upper end of the upright post 5 is also provided with a groove, so that the installation of the fixing bolt is convenient.

In the embodiment, the material of the iron pad is QT450-10, and the spheroidization grade of the iron pad is not less than grade 3.

The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.

If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. An iron backing plate for a high-speed railway fastener is characterized in that: the rail plate comprises a plate body, wherein the extending direction of the rail is taken as the front-back direction, the left end and the right end of the plate body are respectively provided with a bulge extending upwards, the outer sides of the bulges are vertical elevation surfaces, and the elevation surfaces are in butt joint with the end surfaces of the left end and the right end of the plate body and are positioned on the same plane;

2. The iron pallet for a high-speed railway fastener according to claim 1, wherein: the rail lower backing plate installation area is rectangular, and the limiting structure comprises bosses which are fixedly arranged at four corners of the rail lower backing plate installation area respectively.

3. The iron pallet for a high-speed railway fastener according to claim 1, wherein: the upright post is of a strip structure extending in the front-rear direction.

4. The iron pallet for a high-speed railway fastener according to claim 3, wherein: the upright post is provided with a semicircular groove at the position corresponding to the waist-shaped long hole, and the semicircular groove is overlapped with the waist-shaped long hole.

5. The iron pallet for a high-speed railway fastener according to claim 4, wherein: the upper end of the upright post is provided with a groove.

6. The iron pallet for a high-speed railway fastener according to claim 1, wherein: the bulges are of a trapezoid table structure.

7. The iron pallet for a high-speed railway fastener according to claim 1, wherein: the left-right direction of the plate body is the length direction of the plate body.

8. The iron pallet for a high-speed railway fastener according to claim 7, wherein: the lower part of the plate body is in a plane structure.

9. The iron pallet for a high-speed railway fastener according to claim 1, wherein: the iron backing plate is made of QT450-10.