CN218580370U - Ballastless track embedded sleeper - Google Patents

Abstract

The utility model relates to a ballastless track buries formula sleeper belongs to track engineering technical field, include: the light pillow comprises a light pillow body and a plurality of connecting pieces, wherein the light pillow body is of a cuboid structure; the connecting pieces are fixed at two opposite sides of the light pillow body in the length direction at intervals. The utility model discloses a fixed a plurality of connecting pieces in light rail body length direction's both sides interval can strengthen the adhesive property of new and old concrete faying face between sleeper body and the cast-in-place railway roadbed, improves the joint strength of light sleeper body and cast-in-place railway roadbed.

Description

A ballastless track embedded sleeper

technical field

The utility model relates to the technical field of track engineering, in particular to a ballastless track embedded sleeper.

Background technique

The ballastless track structure has the advantages of high smoothness, strong structural durability, less maintenance workload, low maintenance cost, stability, continuity and long service life of the track structure.

At present, two structures of double-block ballastless track and bolster embedded ballastless track are generally laid in most countries. However, when the sleeper is embedded with a cast-in-place track bed, the bonding surface of the new and old concrete is prone to joint separation and light weight. Pillow loosening, cracking and other damage.

Therefore, how to design a new type of embedded light sleeper, enhance the bonding performance of the new and old concrete joint surface between the sleeper body and the cast-in-place track bed, and improve the connection strength between the light sleeper body and the cast-in-place track bed is an urgent need for those skilled in the art to solve The problem.

Utility model content

The utility model provides a ballastless track embedded sleeper, which solves the technical problems that after the existing ballastless track is laid, the bonding surface between the light sleeper and the ballast bed is relatively large and the connection strength is low.

The technical solution of the utility model to solve the above-mentioned technical problems is as follows, a ballastless track embedded sleeper, comprising: a light sleeper body and a plurality of connecting parts,

The light pillow body is a cuboid structure; a plurality of the connecting pieces are fixed at intervals on opposite sides of the light pillow body in the length direction.

The beneficial effects of the utility model are: by fixing a plurality of connecting pieces at intervals on both sides of the light rail body in the length direction, the bonding performance of the new and old concrete joint surfaces between the sleeper body and the cast-in-place track bed can be enhanced, and the connection between the light rail body and the cast-in-place bed can be improved. The connection strength of the track bed.

On the basis of the above technical solutions, the utility model can also be improved as follows.

Further, the connecting piece is a connecting steel bar, and a plurality of the connecting steel bars are buried in the interior of the light pillow body at intervals along the width direction of the light pillow body, and a plurality of the connecting steel bars extend out of the light pillow body. The opposite sides of the pillow body in the lengthwise direction.

Further, the diameter of the plurality of connecting steel bars is 6-50mm, and the protruding length is 50-250mm.

Further, the connecting piece is an anchor body, the cross section of the anchor body is triangular, rectangular or trapezoidal, and a plurality of the anchor bodies are integrally formed on opposite sides of the light pillow body in the length direction.

Further, the length of the multiple anchors protruding from the light pillow body is 50-250mm.

Further, it also includes a plurality of prestressed steel bars, a plurality of prestressed steel bars are pre-embedded inside the light sleeper body along the length direction of the light sleeper body, and a plurality of prestressed steel bars extend out of the light sleeper body. The two ends of the light pillow body in the length direction.

Further, the length of the plurality of prestressed steel bars protruding from the light pillow body is 50-250mm.

The further beneficial effect of adopting the above is: by fixing multiple prestressed steel bars inside the light pillow body and extending the two ends of the light pillow body in the length direction, on the one hand, the structural strength of the light pillow body can be improved, and on the other hand, the structural strength of the light pillow body can be enhanced. The bonding performance of the new and old concrete joint surface between the sleeper body and the cast-in-place track bed improves the connection strength between the sleeper body and the cast-in-place track bed.

Description of drawings

Fig. 1 is a side view of type 1 in a ballastless track embedded sleeper of the present invention;

Fig. 2 is a side view of Type 2 in a ballastless track embedded sleeper of the present invention;

Fig. 3 is a top view of type 1 in a ballastless track embedded sleeper of the utility model;

Fig. 4 is a top view of Type 2 in a ballastless track embedded sleeper of the present utility model;

Fig. 5 is a top view of type 3 in a ballastless track embedded sleeper of the present invention;

Fig. 6 is a top view of type 4 of a ballastless track embedded sleeper of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Light pillow body, 2. Connectors, 3. Prestressed steel bars.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figure 3-5, a ballastless track embedded sleeper includes: a light sleeper body 1 and a plurality of connecting parts 2,

The light pillow body 1 is a cuboid structure; a plurality of connectors 2 are fixed at intervals on opposite sides of the light pillow body 1 in the lengthwise direction.

In some specific embodiments, the connecting piece 2 can be a connecting steel bar, and a plurality of connecting steel bars are pre-spaced and buried inside the light pillow body 1 along the width direction of the light pillow body 1, and a plurality of connecting steel bars extend out of the light pillow body 1 opposite sides in the lengthwise direction.

In some specific embodiments, the diameter of the plurality of connecting steel bars may be 6-50 mm, and the protruding length may be 50-250 mm.

In some specific embodiments, the connecting piece 2 can be an anchor, the cross section of which is triangular, rectangular or trapezoidal, and a plurality of anchors are integrally formed on opposite sides of the light pillow body 1 in the length direction.

In some specific embodiments, the length of the plurality of anchors protruding from the light pillow body 1 may be 50-250 mm.

In some specific embodiments, a plurality of prestressed steel bars 3 may also be included, and a plurality of prestressed steel bars 3 are pre-embedded in the interior of the light pillow body 1 along the length direction of the light pillow body 1, and a plurality of prestressed steel bars 3 are all extended. Get out the two ends of light pillow body 1 length direction.

In some specific embodiments, the length of the plurality of prestressed steel bars 3 protruding from the light pillow body 1 may be 50-250 mm.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the utility model. within the scope of protection.

Claims (7)

1. A ballastless track embedded sleeper is characterized by comprising: a light pillow body (1) and a plurality of connecting pieces (2),

the light pillow body (1) is of a cuboid structure; the connecting pieces (2) are fixed on two opposite sides of the light pillow body (1) in the length direction at intervals.

2. The ballastless track embedded sleeper as claimed in claim 1, wherein the connecting members (2) are connecting steel bars, the connecting steel bars are embedded in the light sleeper body (1) at intervals along the width direction of the light sleeper body (1), and the connecting steel bars extend out of two opposite sides of the light sleeper body (1) in the length direction.

3. The ballastless track sleeper as claimed in claim 2, wherein the connecting reinforcing bars have a diameter of 6 to 50mm and a protruding length of 50 to 250mm.

4. The ballastless track sleeper as claimed in claim 1, wherein the connecting member (2) is an anchor body having a cross section of a triangle, a rectangle or a trapezoid, and a plurality of the anchor bodies are integrally formed on opposite sides of the light sleeper body (1) in a length direction.

5. The ballastless track sleeper embedded according to claim 4, wherein the length of the plurality of anchor bodies extending out of the sleeper body (1) is 50-250mm.

6. The ballastless track embedded sleeper as claimed in claim 1, further comprising a plurality of prestressed reinforcements (3), wherein the plurality of prestressed reinforcements (3) are embedded in the light sleeper body (1) along the length direction of the light sleeper body (1), and the plurality of prestressed reinforcements (3) extend out of two ends of the light sleeper body (1) in the length direction.

7. The ballastless track sleeper embedded according to claim 6, wherein the length of the plurality of prestressed reinforcements (3) extending out of the sleeper body (1) is 50-250mm.

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