Railway line protective fence

Abstract

The utility model discloses a railway line protective fence which comprises stand columns, square tubes are arranged at the upper ends of the stand columns, the upper ends of the square tubes are inclined by a certain angle in the direction away from a railway, a metal mesh is arranged between every two adjacent stand columns, and each metal mesh comprises a main body part and an upper end bending part. The orientation and the inclination angle of the upper end bending part are the same as those of the square pipe, the left side and the right side of the main body part are connected with the stand columns through first connecting pieces respectively, and the left side and the right side of the upper end bending part are connected with the square pipe through second connecting pieces respectively. The first connecting pieces and the second connecting pieces are arranged between the metal meshes and the stand columns, and the first connecting pieces and the second connecting pieces have the connecting length adjusting function, so that connection between the two adjacent stand columns can be conveniently achieved when a certain error exists between the distance between the two adjacent stand columns and the length of the metal meshes. The mounting speed is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of protective fences, and in particular relates to a railway line protective fence. Background Art

[0002] When installing the railway protective fence, after the foundation pit is excavated and the columns are placed in, the columns are positioned and fixed by pouring concrete, and then metal mesh is installed between two adjacent columns to form a protective fence. The installation of the protective fence should be "strict, straight, neat and beautiful". The line should be tightly closed without any gaps, and it should be straight along the line without any sudden changes in distance. The longitudinal transition between the top and bottom of the protective fence should be smooth and neat, without any sudden changes in height. The overall effect should be beautiful to avoid giving people a messy feeling.

[0003] When installing existing railway protective fences, the left and right sides of the metal mesh are usually fixed directly to the posts by screws or iron hooks, or fixed to the posts by welding. However, the distance between two adjacent posts is difficult to match the length of the metal mesh, resulting in this method of fixing the metal mesh to the posts being very inconvenient during installation, slow to install, and time-consuming and labor-intensive.

[0004] Based on the deficiencies in the prior art, the utility model discloses a railway line protection fence, in which a first connecting member and a second connecting member are arranged between a metal mesh and a column, and both the first connecting member and the second connecting member have the function of adjusting the connection length. Thus, when there is a certain error between the distance between two adjacent columns and the length of the metal mesh, the connection between the two can be conveniently achieved, thereby improving the installation speed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a railway line protection fence.

[0006] The utility model provides the following technical solutions:

[0007] A railway line protection fence comprises a column, wherein a square tube is arranged at the upper end of the column, and the upper end of the square tube is inclined at a certain angle in a direction away from the railway. Metal mesh sheets are arranged between two adjacent columns, and the metal mesh sheets comprise a main body and an upper bent portion, wherein the orientation and inclination angle of the upper bent portion are the same as those of the square tube, and the left and right sides of the main body are respectively connected to the column through a first connecting piece, and the left and right sides of the upper bent portion are respectively connected to the square tube through a second connecting piece.

[0008] Preferably, the inclination angle of the upper end of the square tube is 20-50 degrees.

[0009] Preferably, the column is made of concrete.

[0010] Preferably, rectangular tubes are provided on the four edges of the main body, and the rectangular tubes located on the left and right sides of the main body are respectively connected to the columns through first connecting members.

[0011] Preferably, second rectangular tubes are respectively provided on the left and right sides of the upper bending portion, the lower end of the second rectangular tube is connected to the rectangular tube located at the upper end of the main body, and the second rectangular tube is connected to the square tube through a second connecting piece.

[0012] Preferably, the square tube includes a vertical portion and a bent portion, the vertical portion is located inside the upper end of the column, the lower end of the bent portion is integrally connected to the upper end of the vertical portion, and the bent portion is connected to the second rectangular tube via a second connecting member.

[0013] Preferably, the first connecting member includes a first connecting plate and a second connecting plate, the first connecting plate is connected to the column via a first anti-theft bolt, the other end of the first connecting plate is connected to the second connecting plate via a second anti-theft bolt, and the other end of the second connecting plate is connected to the rectangular tube.

[0014] Preferably, the second connecting member includes a third connecting plate and a fourth connecting plate, the third connecting plate is connected to the square tube, the other end of the third connecting plate is connected to the fourth connecting plate via a third anti-theft bolt, and the other end of the fourth connecting plate is connected to the second square tube.

[0015] Preferably, the left and right side surfaces of the column are respectively provided with round holes for connecting with the first anti-theft bolts, and a single side surface is provided with a plurality of round holes, and the plurality of round holes are sequentially arranged along the height direction of the column.

[0016] Preferably, the first connecting plate is L-shaped, and the first connecting plate includes a first plate body and a second plate body, the first plate body and the second plate body are integrally formed, the first plate body is provided with a second circular hole adapted to the first anti-theft bolt, and the second plate body is provided with a first rectangular opening adapted to the second anti-theft bolt along its length direction.

[0017] Preferably, the second connecting plate is also L-shaped, and the second connecting plate includes a third plate body and a fourth plate body, the third plate body and the fourth plate body are integrally formed, the third plate body is welded to the rectangular tube, and the fourth plate body is provided with a third circular hole that is compatible with the second anti-theft bolt.

[0018] Preferably, the third connecting plate is also L-shaped, and the third connecting plate includes a fifth plate body and a sixth plate body. The fifth plate body and the sixth plate body are integrally formed, the fifth plate body is welded to the bending portion, and the sixth plate body is provided with a second rectangular opening along its length direction that is compatible with the third anti-theft bolt.

[0019] Preferably, the structure of the fourth connecting plate is the same as that of the second connecting plate, and the fourth connecting plate includes a seventh plate body and an eighth plate body, the seventh plate body and the eighth plate body are integrally formed, the seventh plate body is welded to the second rectangular tube, and the eighth plate body is provided with a fourth circular hole that is compatible with the third anti-theft bolt.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The utility model discloses a railway line protection fence, which is provided with a first connecting piece and a second connecting piece between a metal mesh and a column, and the first connecting piece and the second connecting piece both have the function of adjusting the connection length, so that when there is a certain error between the distance between two adjacent columns and the length of the metal mesh, the connection between the two can be conveniently achieved, thereby improving the installation speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is a side view of the column structure of the utility model.

[0025] Figure 3 This is a schematic diagram of the structure of the first connecting piece of the utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the second connecting member of the utility model.

[0027] Figure 5 This is a schematic diagram of the structure of the first connecting plate of the utility model.

[0028] Figure 6 This is a schematic structural diagram of the first connecting plate of the utility model from another angle.

[0029] Figure 7 This is a schematic diagram of the structure of the second connecting plate of the utility model.

[0030] Figure 8 This is a schematic structural diagram of the third connecting plate of the present utility model. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-8 As shown, a railway line protection fence includes a column 1, a square tube 2 is provided on the upper end of the column 1, and the upper end of the square tube 2 is inclined at a certain angle in the direction away from the railway. Metal meshes are respectively provided between the adjacent columns 1, and the metal meshes include a main body 31 and an upper bending portion 32. The orientation and inclination angle of the upper bending portion 32 are the same as those of the square tube 2. The left and right sides of the main body 31 are respectively connected to the column 1 through a first connecting member 4, and the left and right sides of the upper bending portion 32 are respectively connected to the square tube 2 through a second connecting member 5. The material of column 1 is concrete. When installing, after the foundation pit is excavated on site and the column is placed in, concrete pouring is used to achieve vertical fixation of the column. The lower end of the column is buried 700mm underground and 1800mm is located above ground. The inclination angle of the upper end of the square tube is 20-50 degrees. The metal mesh is a rectangular tube welded at a 46° bevel all around, with mesh wire welded inside. The rectangular tube is connected to the column by three anti-theft bolts, and the second rectangular tube is connected to the square tube on the upper part of the column.

[0034] Rectangular tubes 33 are disposed on the four edges of the main body 31 , and the rectangular tubes 33 located on the left and right sides of the main body 31 are connected to the columns 1 through first connecting members 4 .

[0035] Second rectangular tubes 34 are respectively provided on the left and right sides of the upper bending portion 32 , and the lower end of the second rectangular tube 34 is connected to the rectangular tube 33 located at the upper end of the main body 31 . The second rectangular tube 34 is connected to the square tube 2 via a second connecting member 5 .

[0036] The square tube 2 includes a vertical portion 21 and a bent portion 22 . The vertical portion 21 is located inside the upper end of the column 1 . The lower end of the bent portion 22 is integrally connected to the upper end of the vertical portion 21 . The bent portion 22 is connected to the second rectangular tube 34 via a second connecting member 5 .

[0037] The first connecting member 4 includes a first connecting plate 6 and a second connecting plate 7. The first connecting plate 6 is connected to the column 1 through a first anti-theft bolt 11. The other end of the first connecting plate 6 is connected to the second connecting plate 7 through a second anti-theft bolt 12. The other end of the second connecting plate 7 is connected to the rectangular tube 33.

[0038] The second connecting member 5 includes a third connecting plate 8 and a fourth connecting plate 9. The third connecting plate 8 is connected to the square tube 2. The other end of the third connecting plate 8 is connected to the fourth connecting plate 9 via a third anti-theft bolt 13. The other end of the fourth connecting plate 9 is connected to the second rectangular tube 34.

[0039] The left and right sides of the column 1 are respectively provided with round holes 10 for connecting with the first anti-theft bolt 11 , and a single side is provided with a plurality of round holes 10 , which are sequentially arranged along the height direction of the column 1 .

[0040] The first connecting plate 6 is L-shaped, and the first connecting plate 6 includes a first plate body 61 and a second plate body 62. The first plate body 61 and the second plate body 62 are integrally formed. The first plate body 61 is provided with a second circular hole that is compatible with the first anti-theft bolt 11, and the second plate body 62 is provided with a first rectangular opening 64 that is compatible with the second anti-theft bolt 12 along its length direction.

[0041] The second connecting plate 7 is also L-shaped, and includes a third plate body 71 and a fourth plate body 72. The third plate body 71 and the fourth plate body 72 are integrally formed, and the third plate body 71 is welded to the rectangular tube 33. The fourth plate body 72 is provided with a third circular hole 73 adapted to the second anti-theft bolt 12. The first rectangular opening 64 has a certain length, and the third circular hole is connected to the first rectangular opening at different positions through the second anti-theft bolt to achieve the adjustment of the distance between the two ends of the first connecting plate and the second connecting plate that are far away from each other, so that when there is a certain error between the distance between two adjacent columns and the length of the metal mesh, the connection between the two can be conveniently achieved.

[0042] The third connecting plate 8 is also L-shaped, and includes a fifth plate body 81 and a sixth plate body 82. The fifth plate body 81 and the sixth plate body 82 are integrally formed, and the fifth plate body 81 is welded to the bending portion 22. The sixth plate body 82 is provided with a second rectangular opening 83 along its length direction that is compatible with the third anti-theft bolt 13.

[0043] The structure of the fourth connecting plate 9 is the same as that of the second connecting plate 7. The fourth connecting plate 9 includes a seventh plate body and an eighth plate body. The seventh plate body and the eighth plate body are integrally formed. The seventh plate body is welded to the second rectangular tube 34. The eighth plate body is provided with a fourth circular hole adapted to the third anti-theft bolt 13. The second rectangular opening 83 has a certain length. The fourth circular hole is connected to the second rectangular opening 83 at different positions through the third anti-theft bolt 13 to achieve the adjustment of the distance between the two ends of the third connecting plate 8 and the fourth connecting plate 9 that are far away from each other, so that when there is a certain error between the distance between two adjacent columns and the length of the metal mesh, the connection between the two can be conveniently achieved.

[0044] By arranging the first connecting member and the second connecting member between the metal mesh and the column, and both the first connecting member and the second connecting member have the function of adjusting the connection length, the connection between the two can be conveniently achieved when there is a certain error between the distance between two adjacent columns and the length of the metal mesh, thereby improving the installation speed.

[0045] The above is only a preferred implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and inventive concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A railway line protection fence, comprising a column (1), characterized in that: A square tube (2) is arranged at the upper end of the column (1), the upper end of the square tube (2) being arranged at a certain angle in a direction away from the railway, and metal mesh sheets are arranged between two adjacent columns (1), the metal mesh sheets comprising a main body (31) and an upper bent portion (32), the upper bent portion (32) having the same orientation and tilt angle as the square tube (2), the left and right sides of the main body (31) being connected to the column (1) via a first connecting member (4), and the left and right sides of the upper bent portion (32) being connected to the square tube (2) via a second connecting member (5).

2. A railway line protection fence according to claim 1, characterized in that: Rectangular tubes (33) are provided on all four edges of the main body (31), and the rectangular tubes (33) located on the left and right sides of the main body (31) are connected to the upright posts (1) via first connecting members (4) respectively.

3. A railway line protection fence according to claim 2, characterized in that: Second rectangular tubes (34) are respectively provided on the left and right sides of the upper end bending portion (32); the lower end of the second rectangular tube (34) is connected to the rectangular tube (33) located at the upper end of the main body (31); and the second rectangular tube (34) is connected to the square tube (2) via a second connecting piece (5).

4. A railway line protection fence according to claim 3, characterized in that: The square tube (2) comprises a vertical portion (21) and a bent portion (22); the vertical portion (21) is located inside the upper end of the column (1); the lower end of the bent portion (22) is integrally connected to the upper end of the vertical portion (21); and the bent portion (22) is connected to the second rectangular tube (34) via a second connecting member (5).

5. A railway line protection fence according to claim 4, characterized in that: The first connecting member (4) comprises a first connecting plate (6) and a second connecting plate (7); the first connecting plate (6) is connected to the column (1) via a first anti-theft bolt (11); the other end of the first connecting plate (6) is connected to the second connecting plate (7) via a second anti-theft bolt (12); the other end of the second connecting plate (7) is connected to the rectangular tube (33).

6. A railway line protection fence according to claim 5, characterized in that: The second connecting member (5) comprises a third connecting plate (8) and a fourth connecting plate (9), the third connecting plate (8) being connected to the square tube (2), the other end of the third connecting plate (8) being connected to the fourth connecting plate (9) via a third anti-theft bolt (13), and the other end of the fourth connecting plate (9) being connected to the second rectangular tube (34).

7. A railway line protection fence according to claim 6, characterized in that: The left and right sides of the column (1) are respectively provided with circular holes (10) for connecting with the first anti-theft bolt (11), and a single side is provided with a plurality of circular holes (10), and the plurality of circular holes (10) are arranged in sequence along the height direction of the column (1).

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