CN217231513U

CN217231513U - Railway roadbed ditch cover plate mounting structure

Info

Publication number: CN217231513U
Application number: CN202220143311.3U
Authority: CN
Inventors: 杨帅; 韩彪; 雷兴杰
Original assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Current assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-19
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to a railway roadbed ditch cover plate mounting structure, the key point of its technical scheme is that the structure comprises a concrete rail bearing platform, wherein a drainage ditch is arranged on the concrete rail bearing platform, the upper part of the drainage ditch is covered with a ditch cover plate, the concrete rail bearing platform at the drainage ditch is provided with a mounting groove for accommodating the ditch cover plate, and two sides of the upper part of the drainage ditch are respectively provided with an angle steel support; a plurality of connecting steel columns are fixed at the lower part of the angle steel support along the length direction of the angle steel support, and the connecting steel columns are buried and fixed in the concrete rail bearing platform; the utility model discloses it fixes ditch apron to facilitate the use bolted connection, and the efficiency of construction is high.

Description

Railway roadbed ditch cover plate mounting structure

Technical Field

The utility model relates to a railway roadbed construction technical field especially relates to a railway roadbed ditch cover plate mounting structure.

Background

The rail transit is a common traffic mode in people's life, and in order to make things convenient for railway roadbed department to drain, is provided with the escape canal on the rail supporting platform of laying a track usually to set up ditch cover plate and seal the opening of escape canal in escape canal department. The gutter cover is usually fixed to the rail support by means of a screw connection. Because the rail bearing platform usually adopts the concrete material preparation to form, the difficult processing that carries out the screw hole, consequently need pre-buried a plurality of nut pieces on the rail bearing platform, and then make things convenient for the ditch apron to install.

Carry out pre-buried construction to the nut piece, need carry out the accurate positioning to the interval between the nut piece, be difficult for adjusting moreover, the construction is inconvenient, and the efficiency of construction is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a railway roadbed ditch apron mounting structure facilitates the use bolted connection to fix the ditch apron, and the efficiency of construction is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: a railway roadbed ditch cover plate mounting structure comprises a concrete rail bearing platform, wherein a drainage ditch is arranged on the concrete rail bearing platform, a ditch cover plate covers the upper part of the drainage ditch, a mounting groove for accommodating the ditch cover plate is formed in the concrete rail bearing platform at the drainage ditch, and two sides of the upper part of the drainage ditch are respectively provided with an angle steel support; and a plurality of connecting steel columns are fixed at the lower parts of the angle steel supports along the length direction of the angle steel supports, and the connecting steel columns are buried and fixed in the concrete track bearing platform.

Through the technical scheme, the installation groove is formed in the drainage ditch, the angle iron support is arranged, and then the threaded hole can be machined in the angle iron support, so that the threaded hole has high dimensional accuracy and is convenient to construct; the angle iron support is fixedly connected with the steel column at the lower part of the angle iron support, and the connecting steel column is buried and fixed in the concrete rail bearing platform during construction, so that the angle iron support can be firmly fixed on the concrete rail bearing platform.

Preferably, the upper end of the connecting steel column is provided with a mounting threaded hole for being connected with a ditch cover plate bolt.

Through the technical scheme, when the connecting steel column is manufactured, the mounting threaded holes are machined in the connecting steel column, and then the connecting steel column is fixed on the angle iron support, so that the threaded holes are machined and positioned more efficiently.

Preferably, the upper end of the connecting steel column is provided with a positioning column, and the angle steel support is provided with a positioning hole for being inserted into the positioning column.

Through above-mentioned technical scheme, through being provided with the reference column in connecting the steel column upper end, set up the locating hole on the angle steel supports, install the location to connecting the steel column through the mode of pegging graft with reference column and locating hole, convenient operation is high-efficient.

Preferably, the ditch cover plate comprises a plurality of convex cover plates and a plurality of concave cover plates; positioning grooves are respectively arranged on two sides of the concave cover plate, and positioning bulges used for being inserted into the positioning grooves are respectively arranged on two sides of the convex cover plate; bolt mounting holes are respectively formed in four corners of the convex cover plate and the concave cover plate.

Through the technical scheme, the ditch cover plate is formed by splicing the convex cover plate and the concave cover plate, and the convex cover plate and the concave cover plate are spliced and positioned through the splicing matching of the positioning protrusions and the positioning grooves, so that the ditch cover plate is easy to position and convenient to install and operate.

Preferably, the bolt mounting hole is a long hole arranged along the length direction of the ditch cover plate in the length direction.

Through above-mentioned technical scheme, the bolt mounting hole is the rectangular hole that length direction set up along ditch apron length direction, and then makes the bolt mounting hole easily align with the screwed hole that sets up on the angle steel supports, conveniently installs the operation to the ditch apron.

Preferably, two sides of the lower part of the ditch cover plate are respectively provided with a rubber pad, and the cross section of each rubber pad is in a convex shape; and positioning grooves for positioning the rubber pads are formed in two sides of the lower part of the ditch cover plate, and the rubber pads are embedded and fixed in the positioning grooves.

Through above-mentioned technical scheme, set up the rubber pad through the lower part at the ditch apron, and then reduce the vibrations of ditch apron when using to the rubber pad passes through the constant head tank location and installs in ditch apron lower part, and is bigger with the area of contact of ditch apron, thereby connects more firmly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural view of a mounting structure of a ballast bed trench cover.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic structural view showing a matching relationship between a connecting steel column and an angle iron support.

Fig. 4 is a schematic structural view of a gutter cover.

Fig. 5 is a schematic structural view showing the fitting relationship between the rubber pad and the gutter cover.

Wherein, 1, a concrete rail bearing platform; 11. a drainage ditch; 12. mounting grooves; 2. a ditch cover plate; 21. a convex cover plate; 211. positioning the projection; 22. a concave cover plate; 221. a positioning groove; 23. a bolt mounting hole; 24. positioning a groove; 3. supporting by using angle steel; 31. positioning holes; 4. connecting the steel columns; 41. a positioning column; 42. installing a threaded hole; 5. and (7) a rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

the utility model provides a railway roadbed ditch apron mounting structure, refers to fig. 1 and fig. 2, includes concrete rail bearing platform 1, is provided with escape canal 11 on the concrete rail bearing platform 1, is provided with mounting groove 12 on the concrete rail bearing platform 1 of 11 departments in escape canal. A gutter cover 2 for closing the drainage gutter 11 is provided in the mounting groove 12. The two sides of the upper part of the drainage ditch 11 are respectively provided with an angle steel support 3; the angle iron support is positioned at the boundary edge position of the drainage ditch 11 and the mounting groove 12. The lower part of the angle iron support 3 is fixed with a plurality of connecting steel columns 4 along the length direction, and the connecting steel columns 4 are buried and fixed in the concrete track bearing platform 1. The upper end of the connecting steel column 4 is provided with a mounting threaded hole 42 for being in bolted connection with the ditch cover plate 2.

Referring to fig. 2 and 3, the upper end of the connecting steel column 4 is provided with a positioning column 41, and the positioning column 41 and the connecting steel column 4 are integrally manufactured. The angle iron support 3 is provided with a positioning hole 31 for inserting the positioning column 41. When carrying out the equipment construction, punch on angle iron support 3 according to the design size earlier, then peg graft on angle iron support 3 through reference column 41 with the connection steel column 4 of processing, and then will connect steel column 4 and angle iron support 3 and carry out welded fastening to can install the location to connecting steel column 4 fast.

Referring to fig. 2 and 4, the gully cover 2 includes a plurality of convex cover plates 21 and a plurality of concave cover plates 22. Positioning grooves 221 are respectively formed in two sides of the concave cover plate 22, and positioning protrusions 211 for being inserted into the positioning grooves 221 are respectively formed in two sides of the convex cover plate 21. Bolt mounting holes 23 are respectively formed in four corners of the convex cover plate 21 and the concave cover plate 22, and the bolt mounting holes 23 are strip holes arranged in the length direction along the length direction of the ditch cover plate 2. Ditch apron 2 is formed by protruding apron 21 and the concatenation of concave apron 22, and then can be according to the length of escape canal 11, the nimble length that sets up ditch apron 2. When the ditch cover plate 2 is installed, the bolt installation holes 23 at the four corners of one convex cover plate 21 or concave cover plate 22 correspond to the installation threaded holes 42, and then the convex cover plate or concave cover plate is fixed by using bolts, and then the other convex cover plate 21 and concave cover plate 22 can be quickly positioned by the insertion connection mode of the positioning protrusions 211 and the positioning grooves 221; and the bolt mounting hole 23 adopts a long hole, so that the mounting is more convenient.

Referring to fig. 2 and 5, rubber pads 5 are respectively arranged on two sides of the lower part of the gutter cover 2, and the vibration condition of the gutter cover 2 in use can be effectively reduced by arranging the rubber pads 5. The cross section of the rubber pad 5 is convex; and positioning grooves 24 for positioning the rubber pads 5 are formed in two sides of the lower part of the ditch cover plate 2, and the rubber pads 5 are embedded in the positioning grooves 24. Rubber pad 5 adopts bonding process to fix in ditch apron 2 lower part, adopts the rubber pad 5 of type of dogcharacter to fix a position rubber pad 5 through constant head tank 24, can effectively increase the area of contact of rubber pad 5 and ditch apron 2, thereby use the bonding more firm.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a railway roadbed ditch cover plate mounting structure, includes concrete rail bearing platform (1), be provided with escape canal (11) on concrete rail bearing platform (1), the upper portion of escape canal (11) covers has ditch cover plate (2), its characterized in that: an installation groove (12) for accommodating a ditch cover plate (2) is formed in the concrete rail bearing platform (1) at the drainage ditch (11), and angle steel supports (3) are respectively arranged on two sides of the upper part of the drainage ditch (11); the lower part of the angle iron support (3) is fixedly provided with a plurality of connecting steel columns (4) along the length direction, and the connecting steel columns (4) are buried and fixed in the concrete track bearing platform (1).

2. The ballast bed gutter cover mounting structure according to claim 1, wherein: and the upper end of the connecting steel column (4) is provided with a mounting threaded hole (42) for being in bolted connection with the ditch cover plate (2).

3. The ballast bed gutter cover mounting structure according to claim 1, wherein: the upper end of the connecting steel column (4) is provided with a positioning column (41), and the angle steel support (3) is provided with a positioning hole (31) for being in plug-in connection with the positioning column (41).

4. The ballast bed drain cover mounting structure according to claim 3, wherein: the ditch cover plate (2) comprises a plurality of convex cover plates (21) and a plurality of concave cover plates (22); positioning grooves (221) are respectively formed in two sides of the concave cover plate (22), and positioning protrusions (211) used for being connected with the positioning grooves (221) in an inserting mode are respectively formed in two sides of the convex cover plate (21); and bolt mounting holes (23) are respectively formed at the four corners of the convex cover plate (21) and the concave cover plate (22).

5. The ballast bed drain cover mounting structure according to claim 4, wherein: the bolt mounting holes (23) are long holes arranged along the length direction of the ditch cover plate (2) in the length direction.

6. The ballast bed gutter cover mounting structure according to claim 1, wherein: rubber pads (5) are respectively arranged on two sides of the lower part of the ditch cover plate (2), and the cross section of each rubber pad (5) is in a convex shape; and positioning grooves (24) for positioning the rubber pads (5) are formed in two sides of the lower part of the ditch cover plate (2), and the rubber pads (5) are embedded in the positioning grooves (24).