Railway bridge walkway

Abstract

The utility model provides a railway bridge walking board belongs to walking board technical field. Including the guide rail of installation on the railway, is equipped with the guide rail groove on the guide rail, is equipped with the sliding block on the guide rail groove slidingly, the top of sliding block projects and is equipped with the installation strip, the walking board body is overlapped and is installed on two guide rails, the bottom of walking board body projects and is equipped with the installation groove for installation strip installation, is equipped with the mounting hole on the installation strip, is equipped with the fastening ring groove in the mounting hole, is installed on walking board body and has the positioning assembly, the one side edge of two guide rails projects and is equipped with the protruding plate, is equipped with the sliding hole on walking board body, is equipped with the clamping block of fixed cooperation with protruding plate on the sliding hole. The utility model sliding adjustment, embedded cooperation, three -level fixed mechanism of ball expansion, both guarantee the fast adjustment requirement in the installation process, and through mechanical interlock realizes the anti loosening effect of long -term operation, significantly promotes the installation efficiency and structural reliability of railway bridge walking board.

Description

Technical Field

[0001] This utility model relates to the field of pedestrian walkway technology, and in particular to a pedestrian walkway for railway bridges. Background Technology

[0002] Railway bridges are an important part of railway lines. Pedestrian walkways on bridges are key equipment to ensure the safety of workers and vehicles during daily operations. Especially with the development of high-speed railways, most high-speed railway lines adopt the viaduct method, further increasing the demand for pedestrian walkways. This also puts forward higher requirements for the use and safety of the products themselves.

[0003] Publication number "CN118148015A" discloses a composite material railway bridge pedestrian slab, relating to the field of pedestrian slab technology. This composite material railway bridge pedestrian slab…possesses advantages such as high strength, lightweight, and high corrosion resistance, resulting in a longer service life and easier installation and transportation. The pedestrian slab is bonded to the mounting steel beam via adhesive, enabling quick installation, stable connection, and high reliability.

[0004] The aforementioned railway bridge walkways are mostly installed using fixed installation or single-point bolt fixing, which makes it difficult to achieve precise adjustment of the installation position. During installation, if the guide rail spacing does not match the size of the walkway, on-site cutting or shim adjustment is required, resulting in poor overall practicality of the device. Therefore, this application provides a railway bridge walkway to meet the requirements. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a railway bridge pedestrian slab to solve the problems of existing dd.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A railway bridge pedestrian walkway includes guide rails installed on a railway, guide rail grooves provided on the guide rails, sliders slidably disposed on the guide rail grooves, mounting strips protruding from the top of the sliders, pedestrian walkway bodies overlapping and installed on two guide rails, mounting grooves for mounting the mounting strips protruding from the bottom of the pedestrian walkway bodies, mounting holes provided on the mounting strips, fastening ring grooves installed in the mounting holes, and positioning components that cooperate with and fix to the fastening ring grooves on the pedestrian walkway bodies; A protruding plate is provided on one side of each of the two adjacent guide rails, and a sliding hole is provided on the walking board body. A snap-fit ​​block is installed at the sliding hole to cooperate with and fix the protruding plate.

[0007] Optionally, the positioning component includes a fastening post with a knob installed at the top. The fastening post has a cavity inside, and a lead screw protrudes from the bottom of the knob. A pressure post is slidably disposed in the cavity, and the lead screw is threaded into the pressure post. The lead screw and the pressure post are threaded together. A compression port is provided at the outer edge of the fastening post, and a ball is installed at the compression port. The ball cooperates with the pressure post to compress and fix the ball inside the fastening ring groove.

[0008] Optionally, the top pressure column has a rectangular cross-section and a tapered bottom, and the knob is rotatably mounted on the fastening column.

[0009] Optionally, a snap-fit ​​block is installed below the sliding hole, the snap-fit ​​block has a through hole, a nut protrudes from the bottom of the through hole, and a screw is installed through the snap-fit ​​block, with the screw and the nut having a threaded engagement.

[0010] Optionally, the snap-fit ​​block is L-shaped, and the snap-fit ​​block engages with the protruding plate.

[0011] Optionally, a protruding groove is provided on one side of the walking board body, and a protruding block is provided on the other side of the walking board body, and the protruding block and the protruding groove are fixed together.

[0012] Optionally, both the protruding block and the protruding groove have a T-shaped cross-section, and the protruding block and the protruding groove are fixedly connected by bolts.

[0013] Optionally, the walking board body has a through hole that penetrates the walking board body and is generally elongated.

[0014] Optionally, a plurality of through holes are provided, and the plurality of through holes are arranged in a rectangular array on the walking board body.

[0015] Optionally, the slider is inverted T-shaped, and a fixing hole is provided inside the guide rail groove. The fixing hole of the guide rail groove is fixed to the railway base by bolts.

[0016] Compared with the prior art, this utility model has at least the following beneficial effects: In the above scheme, the slider has an inverted T-shaped structure and is embedded in the guide rail groove at the top of the guide rail. It is connected to the railway base bolt through the pre-reserved fixing holes in the groove to form a sliding and adjustable mounting base. The fastening ring groove of the positioning component is embedded in the mounting hole of the mounting strip. Rotating the knob drives the screw to rotate, causing the top pressure column to move down along the rectangular cavity, squeezing the ball to expand outward and clamping it in the arc-shaped inner wall of the fastening ring groove, forming a multi-point mechanical locking, which effectively prevents the connection from loosening due to vibration or impact. This three-level fixing mechanism of sliding adjustment, embedded fit, and ball expansion not only ensures the need for rapid adjustment during the installation process, but also achieves the anti-loosening effect for long-term operation through mechanical interlocking, significantly improving the installation efficiency and structural reliability of railway bridge walkway. The L-shaped snap-fit ​​between the snap-fit ​​block and the protruding plate, along with the threaded engagement of the screw and nut, enhances the lateral connection strength between the walking board body and the guide rail, preventing displacement. Attached Figure Description

[0017] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a pedestrian walkway on a railway bridge. Figure 2 A three-dimensional structural diagram of a railway bridge pedestrian walkway in its disassembled state; Figure 3 pedestrian walkway for railway bridges Figure 1 Enlarged structural diagram at point A; Figure 4 This is a longitudinal sectional view of the pedestrian walkway body of a railway bridge. Figure 5 pedestrian walkway for railway bridge Figure 4 A magnified structural diagram at point B in the middle.

[0019] [Figure Labels] 1. Guide rail; 2. Guide rail groove; 3. Slider; 4. Mounting strip; 5. Walking board body; 51. Sliding hole; 6. Through hole; 7. Positioning assembly; 71. Fastening ring groove; 8. Fastening post; 81. Extrusion port; 9. Knob; 10. Lead screw; 11. Top pressure post; 12. Ball bearing; 13. Protruding block; 14. Protruding groove; 16. Screw; 17. Snap-fit ​​block; 18. Nut; 19. Protruding plate.

[0020] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0021] The following is a detailed description of a railway bridge pedestrian slab provided by this utility model, in conjunction with the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0022] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0023] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0024] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0025] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, an embodiment of this utility model provides a railway bridge pedestrian board, including a guide rail 1 installed on the railway, a guide rail groove 2 opened on the guide rail 1, a slider 3 slidably arranged on the guide rail groove 2, an installation strip 4 protruding from the top of the slider 3, a fixing hole opened inside the guide rail groove 2, and the guide rail groove 2 is fixed to the railway base by bolts at the fixing hole, and a pedestrian board body 5 is installed on two guide rails 1 overlapping each other, and an installation groove for the installation strip 4 is protruding from the bottom of the pedestrian board body 5.

[0027] A protruding groove 14 is provided on one side of the aforementioned walking board body 5, and a protruding block 13 is provided on the other side of the walking board body 5. The protruding block 13 and the protruding groove 14 are fitted and fixed together. The cross-section of both the protruding block 13 and the protruding groove 14 is T-shaped, and the protruding block 13 and the protruding groove 14 are fixedly connected by bolts. Through the T-shaped fit between the protruding block 13 and the protruding groove 14 and the bolt fixing, adjacent walking board bodies 5 are seamlessly spliced ​​to form a flat walking surface, improving walking safety.

[0028] A protruding plate 19 is provided on one side of the two adjacent guide rails 1. A sliding hole 51 is provided on the walking board body 5. A snap-fit ​​block 17 is installed at the sliding hole 51 and is fixed to the protruding plate 19. The snap-fit ​​block 17 is installed below the sliding hole 51. The snap-fit ​​block 17 is L-shaped and is engaged with the protruding plate 19. A through hole is provided on the snap-fit ​​block 17. A nut 18 is provided at the bottom of the through hole. A screw 16 is installed through the snap-fit ​​block 17. The screw 16 is threadedly engaged with the nut 18. Through the L-shaped snap-fit ​​between the snap-fit ​​block 17 and the protruding plate 19 and the threaded engagement between the screw 16 and the nut 18, the lateral connection strength between the walking board body 5 and the guide rail 1 is enhanced, and displacement is prevented.

[0029] like Figure 1 , Figure 4 and Figure 5As shown, the slider 3 is inverted T-shaped, and the mounting strip 4 has a mounting hole. A fastening ring groove 71 is installed in the mounting hole. A positioning component 7, which is fixed to the fastening ring groove 71, is installed on the walking plate body 5. The positioning component 7 includes a fastening post 8, a knob 9 is installed at the top of the fastening post 8, and a cavity is opened inside the fastening post 8. A lead screw 10 is protruding from the bottom of the knob 9. A top pressure post 11 is slidably arranged in the cavity. The lead screw 10 is installed in the top pressure post 11, and there is a threaded engagement between the lead screw 10 and the top pressure post 11. A compression port 81 is provided at the outer edge of the fastening post 8. The compression port 81 is generally funnel-shaped. The diameter of the outermost edge of the compression port 81 is smaller than the diameter of the ball 12. The ball 12 is installed at the compression port 81 to prevent the ball 12 from falling off the compression port 81 when it is squeezed. The ball 12 cooperates with the top pressure post 11 to compress and fix the ball 12 inside the fastening ring groove 71. The cross-section of the top pressure post 11 is rectangular and the bottom of the top pressure post 11 is conical. The knob 9 is rotated and embedded in the fastening post 8.

[0030] The slider 3 has an inverted T-shaped structure and is embedded in the guide rail groove 2 at the top of the guide rail 1. It is connected to the railway base bolt through the pre-reserved fixing hole in the groove to form a sliding and adjustable mounting base. The fastening ring groove 71 of the positioning component 7 is embedded in the mounting hole of the mounting strip 4. Rotating the knob 9 drives the lead screw 10 to rotate, causing the top pressure column 11 to move down along the rectangular cavity, squeezing the ball bearing 12 to expand outward and lock it in the arc-shaped inner wall of the fastening ring groove 71, forming a multi-point mechanical locking, which effectively prevents the connection from loosening due to vibration or impact. This three-level fixing mechanism of sliding adjustment, embedded fit, and ball bearing 12 expansion not only ensures the need for rapid adjustment during installation, but also achieves the anti-loosening effect for long-term operation through mechanical interlocking, significantly improving the installation efficiency and structural reliability of the railway bridge walkway.

[0031] The walking board body 5 has through holes 6 that penetrate through the walking board body 5. The through holes 6 are generally elongated oval in shape, and there are several through holes 6 arranged in a rectangular array on the walking board body 5. The elongated oval array design of the through holes 6 effectively drains and ventilates, reduces the risk of water accumulation and corrosion, and reduces the weight, making it easier to transport and install.

[0032] The working principle of the technical solution provided by this utility model is as follows: The railway bridge pedestrian board is fixed to the railway base by bolts through the guide rail groove 2 of the guide rail 1, and the slider 3 is slidably set in the guide rail groove 2, and its top mounting strip 4 is inserted into the corresponding mounting groove at the bottom of the pedestrian board body 5.

[0033] The fastening ring groove 71 of the positioning component 7 engages with the mounting hole of the mounting strip 4. Rotating the knob 9 drives the lead screw 10 to rotate. The lead screw 10 engages with the top pressure column 11 threadedly, driving the top pressure column 11 to move downward. The squeeze ball 12 expands outward and is locked in the fastening ring groove 71, thus achieving a stable connection between the walking plate body 5 and the mounting strip 4.

[0034] An L-shaped locking block 17 is installed at the sliding hole 51 of the walkway body 5. The locking block 17 engages with the protruding plate 19 on the guide rail 1 and is further fixed by the threaded engagement of the screw 16 and the nut 18. Adjacent walkway bodies 5 are connected by a T-shaped protruding block 13 on one side and a T-shaped protruding groove 14 on the other side, and are fixed by bolts to form a continuous plane. The holes 6 are arranged in an oblong and rectangular array, penetrating the walkway body 5 to achieve drainage and ventilation functions.

[0035] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0036] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A pedestrian walkway for railway bridges, characterized in that, The system includes a guide rail (1) installed on a railway, a guide rail groove (2) provided on the guide rail (1), a slider (3) slidably provided on the guide rail groove (2), an installation strip (4) protruding from the top of the slider (3), a walking board body (5) overlapping and installed on two guide rails (1), an installation groove for the installation strip (4) protruding from the bottom of the walking board body (5), an installation hole provided on the installation strip (4), a fastening ring groove (71) installed in the installation hole, and a positioning component (7) that cooperates with and is fixed to the fastening ring groove (71) on the walking board body (5). A protruding plate (19) is provided on one side of the two adjacent guide rails (1), and a sliding hole (51) is provided on the walking board body (5). A snap-fit ​​block (17) is installed at the sliding hole (51) to cooperate and fix with the protruding plate (19).

2. The railway bridge pedestrian slab according to claim 1, characterized in that, The positioning component (7) includes a fastening post (8), a knob (9) is installed at the top of the fastening post (8), a cavity is opened inside the fastening post (8), a lead screw (10) is protruding at the bottom of the knob (9), a top pressure post (11) is slidably arranged in the cavity, the lead screw (10) is installed in the top pressure post (11), the lead screw (10) and the top pressure post (11) are threaded together, a compression port (81) is opened at the outer edge of the fastening post (8), a ball (12) is installed at the compression port (81), the ball (12) cooperates with the top pressure post (11) to compress, and the ball (12) is compressed and fixed inside the fastening ring groove (71).

3. The railway bridge pedestrian slab according to claim 2, characterized in that, The top pressure column (11) has a rectangular cross-section and a tapered bottom. The knob (9) is rotated and embedded in the fastening column (8).

4. The railway bridge pedestrian slab according to claim 1, characterized in that, A snap-fit ​​block (17) is installed below the sliding hole (51). A through hole is provided on the snap-fit ​​block (17). A nut (18) is protruding at the bottom of the through hole. A screw (16) is installed through the snap-fit ​​block (17). The screw (16) and the nut (18) are threaded together.

5. The railway bridge pedestrian slab according to claim 4, characterized in that, The snap-fit ​​block (17) is L-shaped and is engaged with the protruding plate (19).

6. The railway bridge pedestrian slab according to claim 1, characterized in that, A protruding groove (14) is provided on one side of the walking board body (5), and a protruding block (13) is provided on the other side of the walking board body (5). The protruding block (13) and the protruding groove (14) are fixed together.

7. The railway bridge pedestrian slab according to claim 6, characterized in that, The cross-sections of the protruding block (13) and the protruding groove (14) are both T-shaped, and the protruding block (13) and the protruding groove (14) are fixedly connected by bolts.

8. The railway bridge pedestrian slab according to claim 1, characterized in that, The walking board body (5) has a through hole (6) which penetrates the walking board body (5) and is generally oblong.

9. The railway bridge pedestrian slab according to claim 8, characterized in that, A plurality of through holes (6) are provided, and the plurality of through holes (6) are arranged in a rectangular array on the walking board body (5).

10. The railway bridge pedestrian slab according to claim 1, characterized in that, The slider (3) is inverted T-shaped, and the guide rail groove (2) has a fixing hole inside. The fixing hole of the guide rail groove (2) is fixed to the railway base by bolts.

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