Railway bridge foot plank assembly

Abstract

The utility model belongs to the technical field of railroad bridges, and discloses a railroad bridge foot plank assembly which is installed on an angle steel support of a bridge and comprises foot planks and a fixing unit, the foot planks are connected end to end in the length direction of the bridge, and the ends, close to each other, of every two adjacent foot planks are erected on the same horizontal steel. A first oval hole and a second oval hole are formed in the two walking plates in the length direction respectively, the first oval hole and the second oval hole are both formed in the length direction of the walking plates, and the middle area of the primary buckle and the middle area of the secondary buckle are inserted into the first oval holes and the second oval holes of the two adjacent walking plates respectively. The two foot planks are arranged on the angle steel support and can slide in the length direction of the foot planks, the top of one end of the primary buckle and the top of one end of the secondary buckle abut against the bottoms of the two sides of the horizontal steel respectively, and the other end of the primary buckle is detachably connected to the other end of the secondary buckle. And the walking plate is effectively prevented from moving longitudinally, climbing transversely and falling vertically.

Description

Technical Field

[0001] The utility model relates to the technical field of railway bridges, in particular to a railway bridge walking board assembly. Background Art

[0002] Railway bridges are an important part of railway lines. Among them, railway T-beam bridges are the most important bridge structure form for freight railways and passenger-freight railways. A large number of existing bridges have simply supported reinforced concrete slabs on angle steel brackets as sidewalks. As key equipment for the safe passage of workers in their daily work, they are increasingly valued in engineering safety production. The height of railway beam sidewalks reaches more than 5m above the ground, which is related to the personal safety of personnel in various departments of the railway.

[0003] The existing reinforced concrete step plates are simply supported at both ends on the angle steel brackets protruding from the railway bridge. The length of each end is about 7 cm. The step plates are supported vertically by horizontal angle steels, which makes them prone to longitudinal movement, horizontal climbing and vertical falling off. Once one end is separated from the horizontal angle steel, it will fall directly, seriously endangering the lives of the workers. Utility Model Content

[0004] The utility model aims to provide a railway bridge walking board assembly, which can effectively prevent the walking board from longitudinal movement, transverse climbing and vertical falling off.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A railway bridge walking board assembly is installed on an angle steel bracket of the bridge. A plurality of angle steel brackets are evenly spaced along the length of the bridge. The horizontal steel of the angle steel bracket extends out, comprising:

[0007] There are multiple walking boards, and the walking boards are connected end to end along the length direction of the bridge. A plurality of first elliptical holes are provided at intervals on one side of the walking board in the length direction, and a plurality of second elliptical holes are provided at intervals on the other side of the walking board in the length direction. The first elliptical holes and the second elliptical holes are both provided along the length direction of the walking board, and the adjacent ends of two adjacent walking boards are mounted on the same horizontal steel;

[0008] A fixing unit, wherein a plurality of fixing units are provided, and the fixing units are configured to connect two adjacent walking boards to the same horizontal steel they are in contact with, and the fixing unit includes a mother buckle and a son buckle, and the mother buckle and the son buckle are opposite to each other and both are U-shaped. The middle area of ​​the mother buckle is inserted into the first elliptical hole of one of the walking boards and slides along the length direction of the walking board. The top of one end of the mother buckle abuts against the bottom of one side of the horizontal steel, and the middle area of ​​the son buckle is inserted into the second elliptical hole of the adjacent walking board and slides along the length direction of the walking board. The top of one end of the son buckle abuts against the bottom of the other side of the horizontal steel, and the other end of the mother buckle is detachably connected to the other end of the son buckle.

[0009] Preferably, the female buckle includes a first buckling portion, a first connecting portion and a first clamping portion that are connected and arranged in a side U-shape, the first connecting portion is inserted into the first elliptical hole of one of the walking boards and slides along the length direction of the walking board, and the top of the first clamping portion abuts against the bottom of one side of the horizontal steel, and the sub-buckle includes a second buckling portion, a second connecting portion and a second clamping portion that are connected and arranged in a side U-shape, the second connecting portion is inserted into the corresponding second elliptical hole on the adjacent walking board and slides along the length direction of the walking board, the top of the second clamping portion abuts against the bottom of the other side of the horizontal steel, and the first buckle is detachably connected to the second buckle.

[0010] Preferably, the cross-section of the first clamping portion is tapered, and the cross-section of the end of the first clamping portion away from the first connecting portion is smaller than the cross-section of the end close to the first connecting portion; the cross-section of the second clamping portion is tapered, and the cross-section of the end of the second clamping portion away from the second connecting portion is smaller than the cross-section of the end close to the second connecting portion.

[0011] Preferably, a sleeve is rotatably provided at one end of the first buckling portion away from the first connecting portion, and an internal thread is provided inside the sleeve. A sleeve rod is provided at one end of the second buckling portion away from the second connecting portion, and the sleeve rod is provided with an external thread, and the sleeve rod is threadedly connected to the sleeve.

[0012] Preferably, a boss is circumferentially provided at one end of the first buckling portion away from the first connecting portion, the sleeve is sleeved on the first buckling portion and circumferentially abuts against the boss, an anchor head is rotatably provided inside the sleeve, and the anchor head is fixed to the first buckling portion.

[0013] Preferably, a rotation groove is provided circumferentially inside the sleeve, the anchor head is rotatably arranged in the rotation groove, a through hole is provided at the bottom of the sleeve, the first buckling portion extends into the interior of the sleeve through the through hole and fixes the anchor head, and the outer wall of the first buckling portion is circumferentially spaced from the hole wall of the through hole.

[0014] Preferably, the external thread length of the sleeve rod is greater than the internal thread length of the sleeve, and when the end of the sleeve rod abuts against the anchor head, the first connecting portion abuts against the hole wall of the first elliptical hole, the second connecting portion abuts against the hole wall of the second elliptical hole, and the top of the first clamping portion and the top of the first clamping portion respectively abut against the bottom of both sides of the horizontal steel.

[0015] Preferably, the walking board includes at least two step plates along its width direction, and a plurality of connecting steel bars are welded between two adjacent step plates in the width direction, and a first elliptical hole and a second elliptical hole are respectively provided on both sides of the step plate in the length direction.

[0016] Preferably, the step plate includes a horizontal plate and two vertical plates that are connected and arranged in an inverted U-shape, the first elliptical hole and the second elliptical hole are respectively arranged on both sides of the length direction of the horizontal plate, and in two step plates adjacent to each other along the length direction, one vertical plate of one step plate and one vertical plate of the other step plate are mounted on the same horizontal steel.

[0017] Preferably, two step plates adjacent to each other in the length direction are connected to the same horizontal steel they are in contact with through the fixing unit.

[0018] Beneficial effects of the utility model:

[0019] The utility model provides a railway bridge walking board assembly, which is installed on the angle steel bracket of the bridge, and a plurality of angle steel brackets are evenly spaced along the length direction of the bridge. The horizontal steel of the angle steel bracket extends out, and the railway bridge walking board assembly includes a walking board and a fixing unit, wherein a plurality of walking boards are provided and connected end to end along the length direction of the bridge, a plurality of first elliptical holes are spaced apart on one side of the walking board in the length direction, and a plurality of second elliptical holes are spaced apart on the other side of the walking board in the length direction, the first elliptical holes and the second elliptical holes are both arranged along the length direction of the walking board, and the adjacent ends of two adjacent walking boards are mounted on the same horizontal steel, and the fixing unit is configured to fix the two adjacent walking boards. Each walking board is connected to the same horizontal steel it contacts, and the fixing unit includes a mother buckle and a child buckle. The mother buckle and the child buckle are opposite to each other and both are U-shaped. The middle area of ​​the mother buckle is inserted into the first elliptical hole of one of the walking boards and slides along the length direction of the walking board. The top of one end of the mother buckle abuts against the bottom of one side of the horizontal steel. The middle area of ​​the child buckle is inserted into the second elliptical hole of the adjacent walking board and slides along the length direction of the walking board. The top of one end of the child buckle abuts against the bottom of the other side of the horizontal steel. The other end of the mother buckle is detachably connected to the other end of the child buckle. Through the above arrangement, the two adjacent walking boards can be bound to the angle steel bracket, effectively preventing the walking boards from moving longitudinally, climbing horizontally and falling off vertically. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the walking board provided by the embodiment of the utility model Figure 1 ;

[0021] Figure 2 This is a schematic diagram of the structure of the walking board provided by the embodiment of the utility model Figure 2 ;

[0022] Figure 3 is a cross-sectional view of a walking board provided by an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the connection between a railway bridge walking plate assembly and horizontal steel provided by an embodiment of the utility model;

[0024] Figure 5 This is a schematic structural diagram of a female buckle provided by an embodiment of the present utility model;

[0025] Figure 6 It is a structural schematic diagram of a sub-button provided in an embodiment of the utility model.

[0026] In the picture:

[0027] 100. Horizontal steel; 1. Walking board; 11. Step board; 111. Horizontal board; 1111. First elliptical hole; 1112. Second elliptical hole; 112. Vertical board; 12. Connecting steel bar; 21. Female buckle; 211. First fastening part; 2111. Boss; 212. First connecting part; 213. First clamping part; 214. Sleeve; 215. Anchor head; 22. Sub-buckle; 221. Second fastening part; 2211. Sleeve rod; 222. Second connecting part; 223. Second clamping part. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0029] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0030] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0032] First of all, it should be noted that a plurality of angle steel brackets are evenly spaced along the length of the bridge side. The angle steel brackets are fixed to the bridge, and the horizontal steel of the angle steel brackets extends out to provide support for the sidewalk walking board.

[0033] This embodiment provides a railway bridge walking board assembly, which is installed on the angle steel bracket of the bridge and can effectively prevent the walking board from moving longitudinally, climbing horizontally, and falling off vertically.

[0034] See also Figures 1-6 A railway bridge walking board assembly includes multiple walking boards 1 connected end to end along the length of the bridge, and a fixing unit for connecting two adjacent walking boards 1 to the horizontal steel 100 in common contact with them. Through the above arrangement, the walking boards 1 can be effectively prevented from longitudinal movement, horizontal climbing and vertical falling off.

[0035] See also Figure 1 and Figure 2 In this embodiment, a plurality of walking boards 1 are provided, and the plurality of walking boards 1 are connected end to end along the length direction of the bridge. A plurality of first elliptical holes 1111 are arranged at intervals on one side of the walking board 1 in the length direction. The first elliptical holes 1111 are arranged along the length direction of the walking board 1. The plurality of first elliptical holes 1111 are evenly spaced, and the hole centers of the plurality of first elliptical holes 1111 are located in the same straight line. A plurality of second elliptical holes 1112 are arranged at intervals on the other side of the walking board 1 in the length direction. The second elliptical holes 1112 are arranged along the length direction of the walking board 1. The plurality of second elliptical holes 1112 are evenly spaced, and the hole centers of the plurality of second elliptical holes 1112 are located in the same straight line. The adjacent ends of two adjacent walking boards 1 are laid on the same horizontal steel 100.

[0036] For example, in this embodiment, the walking board 1 is composed of at least two step boards 11, and the at least two step boards 11 are arranged along the width direction of the walking board 1, and a first elliptical hole 1111 and a second elliptical hole 1112 are respectively provided on both sides of the length direction of each step board 11.

[0037] Furthermore, two adjacent step plates 11 along the length of the bridge are mounted together on a horizontal steel bar 100 and secured to the horizontal steel bar 100 via fixing units. Furthermore, two adjacent step plates 11 along the width are connected by welded connecting steel bars 12. Preferably, two connecting steel bars 12 are spaced apart along the length of the step plates 11 to enhance connection strength.

[0038] Through the above arrangement, this embodiment optimizes the walking board 1 into a step board 11 that is continuous in the width direction, increases vertical support constraints, and improves the connection strength with the angle steel bracket.

[0039] Optionally, see Figure 2 and Figure 3The step plate 11 includes a horizontal plate 111 and two vertical plates 112 that are connected and arranged in an inverted U-shape. That is, the step plate 11 is in an inverted groove shape, and the vertical plates 112 located at the width edge can abut against the angle steel bracket. The first elliptical hole 1111 and the second elliptical hole 1112 are respectively arranged on both sides of the length direction of the horizontal plate 111. In two step plates 11 adjacent to each other along the length direction, one vertical plate 112 of one step plate 11 and one vertical plate 112 of the other step plate 11 are erected on the same horizontal steel 100.

[0040] Furthermore, this embodiment is provided with a plurality of fixing units, which are configured to connect two adjacent walking boards 1 to the same horizontal steel 100 they contact, specifically, to connect two adjacent walking boards 11 in the length direction to the same horizontal steel 100 they contact.

[0041] Preferably, see Figure 4-Figure 6 The fixing unit includes a mother buckle 21 and a child buckle 22. The mother buckle 21 and the child buckle 22 are opposite to each other and both are U-shaped. The middle area of ​​the mother buckle 21 is inserted into the first elliptical hole 1111 of one of the walking boards 1 and can slide along the length direction of the walking board 1. The top of one end of the mother buckle 21 abuts against the bottom of one side of the horizontal steel 100. The middle area of ​​the child buckle 22 is inserted into the second elliptical hole 1112 of the adjacent walking board 1 and can slide along the length direction of the walking board 1. The top of one end of the child buckle 22 abuts against the bottom of the other side of the horizontal steel 100. The other end of the mother buckle 21 is detachably connected to the other end of the child buckle 22.

[0042] In this embodiment, two adjacent walking boards 1 are connected to the horizontal steel 100 via at least two fixing units. Specifically, in this embodiment, the walking board 1 is provided with at least two step plates 11 along its width. In two step plates 11 adjacent in the length direction, the middle region of the female buckle 21 is inserted into the first elliptical hole 1111 of one step plate 11, and the middle region of the male buckle 22 is inserted into the second elliptical hole 1112 of the other step plate 11. The top of one end of the female buckle 21 and the top of one end of the male buckle 22 respectively abut against the bottom of each side of the horizontal steel 100. The other end of the female buckle 21 is detachably connected to the other end of the male buckle 22. This arrangement further increases vertical support constraints.

[0043] Optionally, see Figure 4 and Figure 5 The female buckle 21 includes a first buckling portion 211, a first connecting portion 212 and a first clamping portion 213 that are connected and arranged in a side U-shape, wherein the first connecting portion 212 is inserted into the first elliptical hole 1111 of one of the step plates 11 and can slide along the length direction of the step plate 11, that is, the first connecting portion 212 can slide from one end to the other end along the length direction of the first elliptical hole 1111, and the top of the first clamping portion 213 abuts against the bottom of one side of the horizontal steel 100.

[0044] See also Figure 4 and Figure 6 The sub-buckle 22 includes a second buckle portion 221, a second connecting portion 222 and a second clamping portion 223 that are connected and arranged in a side U-shape. The second connecting portion 222 is inserted into the corresponding second elliptical hole 1112 on the step plate 11 adjacent in the length direction and can slide along the length direction of the step plate 11, that is, the second connecting portion 222 can slide from one end to the other end along the length direction of the second elliptical hole 1112. The top of the second clamping portion 223 abuts against the bottom of the other side of the horizontal steel 100, and the first buckle portion 211 is detachably connected to the second buckle portion 221.

[0045] This embodiment provides a structure for achieving detachable connection between the first buckling portion 211 and the second buckling portion 221. Specifically:

[0046] See also Figure 4-Figure 6 The first buckling portion 211 is provided with a boss 2111 on one end away from the first connecting portion 212 in the circumferential direction, and a sleeve 214 is provided on one end of the first buckling portion 211 away from the first connecting portion 212. The sleeve 214 is sleeved on the first buckling portion 211 and circumferentially abuts against the boss 2111. A through-hole is provided on the bottom of the sleeve 214, and the end of the first buckling portion 211 away from the first connecting portion 212 extends into the through-hole. The outer wall of the first buckling portion 211 is circumferentially spaced from the hole wall of the through-hole. A rotation groove is provided on the inner circumference of the sleeve 214, and an anchor head 215 is rotatably provided inside the rotation groove. After the first buckling portion 211 extends into the interior of the sleeve 214 through the through-hole, the anchor head 215 is fixedly connected. Through the above arrangement, while the sleeve 214 is rotatably connected to the first connecting portion 212, the sleeve 214 is limited to prevent it from falling.

[0047] Furthermore, an internal thread is provided inside the sleeve 214, and a sleeve rod 2211 is provided at one end of the second buckling portion 221 away from the second connecting portion 222. The sleeve rod 2211 has an external thread and is screwed to the sleeve 214, thereby realizing a detachable design.

[0048] In this embodiment, the first clamping portion 213 and the second clamping portion 223 are configured as a tapered structure, that is, the cross-section of the first clamping portion 213 and the cross-section of the second clamping portion 223 are tapered, and the cross-section of the first clamping portion 213 at one end away from the first connection portion 212 is smaller than the cross-section of the end close to the first connection portion 212, and the cross-section of the second clamping portion 223 at one end away from the second connection portion 222 is smaller than the cross-section of the end close to the second connection portion 222.

[0049] Through the above-mentioned arrangement, the first fastening portion 211 of the mother buckle 21 and the second fastening portion 221 of the sub-buckle 22 respectively pass through the first elliptical hole 1111 and the second elliptical hole 1112 of the two step plates 11 adjacent in the length direction and are initially positioned. Then, the sleeve 214 at the end of the first fastening portion 211 is rotated, and the sub-buckle 22 and the mother buckle 21 move toward each other, and the first clamping portion 213 and the second clamping portion 223 gradually adhere to the bottom of the horizontal steel 100, thereby realizing the fastening connection between the horizontal steel 100 and the two step plates 11 adjacent in the length direction through the clamp.

[0050] Preferably, the external thread length of the sleeve rod 2211 is greater than the internal thread length of the sleeve 214. By rotating the sleeve 214 at the end of the first buckle 211, the sub-buckle 22 and the female buckle 21 move toward each other. When the end of the sleeve rod 2211 abuts against the anchor head 215, the first connecting part 212 abuts against the hole wall of the first elliptical hole 1111, and the second connecting part 222 abuts against the hole wall of the second elliptical hole 1112. The top of the first clamping part 213 and the top of the first clamping part 213 respectively abut against the bottom of both sides of the horizontal steel 100.

[0051] The present embodiment provides a railway bridge walking board assembly, which can bind two adjacent walking boards 1 to the angle steel bracket through the male buckle 22 and the female buckle 21, effectively preventing the walking boards 1 from moving longitudinally, climbing horizontally, and falling off vertically.

[0052] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A railway bridge walking board assembly, mounted on an angle steel bracket of the bridge, wherein a plurality of angle steel brackets are evenly spaced along the length of the bridge side, and the horizontal steel (100) of the angle steel bracket extends out, characterized in that: include: A walking board (1), wherein the walking board (1) is provided with a plurality of walking boards and connected end to end along the length direction of the bridge, a plurality of first elliptical holes (1111) are arranged at intervals on one side of the length direction of the walking board (1), and a plurality of second elliptical holes (1112) are arranged at intervals on the other side of the length direction of the walking board (1), the first elliptical holes (1111) and the second elliptical holes (1112) are both arranged along the length direction of the walking board (1), and the adjacent ends of two adjacent walking boards (1) are mounted on the same horizontal steel (100); A fixing unit, wherein a plurality of fixing units are provided, and the fixing units are configured to connect two adjacent walking boards (1) to the same horizontal steel (100) they contact, and the fixing unit includes a mother buckle (21) and a child buckle (22), the mother buckle (21) and the child buckle (22) are opposite and both have a side U shape, the middle area of ​​the mother buckle (21) is inserted into the first elliptical hole (1111) of one of the walking boards (1), and slides along the length direction of the walking board (1), the top of one end of the mother buckle (21) abuts against the bottom of one side of the horizontal steel (100), the middle area of ​​the child buckle (22) is inserted into the second elliptical hole (1112) of the adjacent walking board (1), and slides along the length direction of the walking board (1), the top of one end of the child buckle (22) abuts against the bottom of the other side of the horizontal steel (100), and the other end of the mother buckle (21) is detachably connected to the other end of the child buckle (22).

2. A railway bridge walking board assembly according to claim 1, characterized in that: The female buckle (21) includes a first buckling portion (211) connected and arranged in a side U-shape, a first connecting portion (212) and a first clamping portion (213), the first connecting portion (212) being inserted into the first elliptical hole (1111) of one of the walking boards (1) and sliding along the length direction of the walking board (1), the top of the first clamping portion (213) abutting against the bottom of one side of the horizontal steel (100), the sub-buckle (22) including a second buckling portion (221) connected and arranged in a side U-shape, a second connecting portion (222) and a second clamping portion (223), the second connecting portion (222) being inserted into the corresponding second elliptical hole (1112) on the adjacent walking board (1) and sliding along the length direction of the walking board (1), the top of the second clamping portion (223) abutting against the bottom of the other side of the horizontal steel (100), and the first buckle (211) being detachably connected to the second buckle (221).

3. The railway bridge walking board assembly according to claim 2, characterized in that: The cross-section of the first clamping portion (213) is gradually reduced, and the cross-section of the end of the first clamping portion (213) away from the first connecting portion (212) is smaller than the cross-section of the end close to the first connecting portion (212); the cross-section of the second clamping portion (223) is gradually reduced, and the cross-section of the end of the second clamping portion (223) away from the second connecting portion (222) is smaller than the cross-section of the end close to the second connecting portion (222).

4. The railway bridge walking board assembly according to claim 2, characterized in that: A sleeve (214) is rotatably provided at one end of the first buckling portion (211) away from the first connecting portion (212), and an internal thread is provided inside the sleeve (214). A sleeve rod (2211) is provided at one end of the second buckling portion (221) away from the second connecting portion (222), and the sleeve rod (2211) is provided with an external thread. The sleeve rod (2211) is screwed to the sleeve (214).

5. The railway bridge walking board assembly according to claim 4, characterized in that: A boss (2111) is circumferentially provided at one end of the first buckling portion (211) away from the first connecting portion (212); the sleeve (214) is sleeved on the first buckling portion (211) and circumferentially abuts against the boss (2111); an anchor head (215) is rotatably provided inside the sleeve (214); and the anchor head (215) is fixedly connected to the first buckling portion (211).

6. The railway bridge walking board assembly according to claim 5, characterized in that: A rotation groove is provided in the inner circumference of the sleeve (214), and the anchor head (215) is rotatably arranged in the rotation groove. A through hole is provided at the bottom of the sleeve (214), and the first buckling portion (211) extends into the interior of the sleeve (214) through the through hole and is fixed to the anchor head (215). The outer wall of the first buckling portion (211) is circumferentially spaced from the hole wall of the through hole.

7. The railway bridge walking board assembly according to claim 5, characterized in that: The external thread length of the sleeve rod (2211) is greater than the internal thread length of the sleeve (214), and when the end of the sleeve rod (2211) abuts against the anchor head (215), the first connecting portion (212) abuts against the hole wall of the first elliptical hole (1111), the second connecting portion (222) abuts against the hole wall of the second elliptical hole (1112), and the top of the first clamping portion (213) and the top of the first clamping portion (213) respectively abut against the bottom of both sides of the horizontal steel (100).

8. A railway bridge walking board assembly according to any one of claims 1 to 7, characterized in that: The walking board (1) includes at least two step plates (11) along its width direction, and a plurality of connecting steel bars (12) are welded between two adjacent step plates (11) in the width direction. A first elliptical hole (1111) and a second elliptical hole (1112) are respectively provided on both sides of the step plate (11) in the length direction.

9. The railway bridge walking board assembly according to claim 8, characterized in that: The step plate (11) includes a horizontal plate (111) and two vertical plates (112) that are connected and arranged in an inverted U-shape. The first elliptical hole (1111) and the second elliptical hole (1112) are respectively arranged on both sides of the length direction of the horizontal plate (111). In two step plates (11) adjacent to each other along the length direction, one vertical plate (112) of one step plate (11) and one vertical plate (112) of the other step plate (11) are mounted on the same horizontal steel (100).

10. The railway bridge walking board assembly according to claim 9, characterized in that: Two step plates (11) adjacent to each other in the length direction are connected to the same horizontal steel (100) they are in contact with through the fixing unit.

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