Steel structure for heightening rail transit platform

Abstract

The utility model provides a steel structure for heightening a rail transit platform, which comprises a heightening main frame, an inclined support rod is arranged on the inner side of the heightening main frame, the lower part of the heightening main frame is fixed with an extension bottom rod, the extension bottom rod is respectively connected with a side support rod or a middle support rod, and the side support rod and the middle support rod are connected with the heightening main frame. Side plates are mounted on the surfaces of the heightened main frame and the side supporting rods; platform prefabricated plates are installed on the heightened main frame, the side supporting rods and the middle supporting rods. Slope plates are arranged on the side supporting rods and the middle supporting rod, and anti-skid grains are arranged on the surfaces of the slope plates; the smooth joint platform is connected with the extension bottom rod and the side plate; stable butt joint of the heightened steel structure and the bottom face of the platform is achieved, a firm inclined walking path is constructed, the height difference is eliminated, and the safety of passengers is guaranteed. Components are fixed through bolts, stability is enhanced, and the service life is prolonged. The slope plate, the anti-skid lines and the joint of the platform prefabricated plate and the slope plate are in smooth transition, the walking experience is optimized, and the walking difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of platform heightening, especially relates to a steel structure for rail transit platform heightening. BACKGROUND

[0002] In the field of rail transit, with the development of cities and the change of traffic demand, the demand for upgrading existing platforms is increasingly urgent. Due to the long construction period, the design standard does not match modern trains, and other reasons, some early construction of rail transit platforms have the problem of close or even flush height between the rails and the platform. To solve this problem, various platform heightening structures have appeared, which successfully eliminate the original height difference between the carriages and the platform to some extent, and facilitate passengers to get on and off the train.

[0003] For example, the steel structure for rail transit platform heightening disclosed in the Chinese utility model patent document with publication number CN215204850U has significant defects in actual application. On the one hand, due to the limitation of existing platform structure, surrounding facility layout and construction conditions, these heightening structures are difficult to completely match the platform bottom surface for laying. This results in a new height difference between the platform heightening steel structure and the platform bottom surface. This not only affects the smoothness of passenger walking, but also easily causes safety accidents such as passenger tripping and falling, especially for the elderly, children and passengers with difficulty in movement.

[0004] On the other hand, the new height difference also brings inconvenience to the daily cleaning and maintenance of the station. Debris is easily accumulated at the falling place, increasing the cleaning difficulty, and long-term accumulation may cause potential damage to the platform structure. In addition, due to the inability to perfectly adapt to the platform bottom surface, the existing heightening structure also has hidden dangers in stability. Under the influence of long-term passenger load and train vibration, the structure may loosen and deform, affecting the service life and safety.

[0005] Therefore, it is necessary to invent a steel structure for rail transit platform heightening. CONTENT OF THE UTILITY MODEL

[0006] In order to solve the above technical problems, the utility model provides a kind of steel structure for track traffic platform heightening, including heightening main frame, diagonal bracing, extension bottom bar, side support bar, intermediate support bar, side plate, platform prefabricated slab, inclined plate, anti -skid line and smooth joint table, diagonal bracing is arranged in the inside of heightening main frame, the lower side of heightening main frame is fixed with the one end of three extension bottom bars respectively, the other end of extension bottom bar is connected with the lower end of side support bar or intermediate support bar respectively, the upper end of side support bar and intermediate support bar is fixedly connected with the upper surface of the inside of heightening main frame, the outside surface of heightening main frame and side support bar is fixedly installed with side plate;Platform prefabricated slab is installed on heightening main frame, side support bar and intermediate support bar;Several inclined plates are arranged on side support bar and intermediate support bar, and anti -skid line is arranged on the surface of each inclined plate;Smooth joint table is fixedly connected with the one end of extension bottom bar and side plate.

[0007] Preferably, the heightening main frame is a rectangular frame composed of two vertical beams and a cross beam, and the diagonal bracing is arranged obliquely on the inside of the heightening main frame and corresponds to the diagonal line of the heightening main frame.

[0008] Preferably, the heightening main frame, the diagonal bracing, the extension bottom bar, the side support bar and the intermediate support bar are heightening frameworks, and mounting holes required for installation are formed in the heightening frameworks, which are installed together with cooperating bolts.

[0009] Preferably, the three extension bottom bars are arranged at both sides and the middle position of the heightening main frame, and the extension bottom bars are fixed to the platform together through expansion bolts. The extension bottom bar at one side is connected with the side support bar, and the extension bottom bar at the middle position is connected with the intermediate support bar.

[0010] Preferably, the side support bar and the intermediate support bar are the same in structure and are arranged obliquely, and the plurality of inclined plates are arranged along the outer surfaces of the side support bar and the intermediate support bar in a flat manner, wherein the joint between the platform prefabricated slab and the inclined plate is smoothly transitioned.

[0011] Preferably, one end of the side support bar and the intermediate support bar is fixed with a triangular smooth joint table, and the smooth joint table is smoothly connected with the ground of the platform.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a unique design's smooth joint platform and extension bottom pole and side plate fixed link to each other, and extension bottom pole is fixed closely with the platform through the expansion bolt. This design makes the whole heightening steel structure and platform bottom surface realize smooth docking, and simultaneously, the integral construction has formed the firm inclined walking path, effectively eliminated the new height difference between the platform heightening steel structure and platform bottom surface in traditional heightening structure, provided safe, smooth walking path for the passenger, greatly reduced the security risk of passenger in the platform walking because of height change, and simultaneously, also convenient for the daily cleaning and maintenance work of station.

[0014] The utility model discloses heightening main frame constitutes rectangular frame by two vertical beams and crossbeam, and the inclined strut is oblique installation and with heightening main frame diagonal line correspondence, and simultaneously cooperate side support rod, intermediate support rod and extension bottom pole form the stable heightening framework. Each component is fixed and installed together through setting mounting hole and with bolt, and this structure design greatly enhanced the stability of overall structure. Compared with the heightening structure of existing difficult perfect adhesion platform bottom surface and leading to the stability of poor, can better bear passenger load and the vibration of train operation, reduce the possibility of structure loosening, deformation, significantly prolong the service life of platform heightening steel structure, guarantee the security of long -term use.

[0015] The utility model discloses install and set up a plurality of inclined plates on side support rod and intermediate support rod, and each inclined plate surface all sets up antiskid line, and simultaneously, the joint of platform precast slab and inclined plate is smooth transition. This design not only further optimized the walking experience of passenger in the platform, especially for the passenger of inconvenient action or carrying heavy object, and the inclined plate and antiskid line can provide better support and antiskid effect, reduce walking difficulty, and the smooth joint transition of platform precast slab and inclined plate also ensures the comfort of passenger walking process, avoids the bumping because of the unevenness of board surface connection. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model.

[0017] Figure 2 It is the structure schematic diagram of platform precast slab and inclined plate of the utility model not installation.

[0018] Figure 3 It is the heightening framework structure schematic diagram of the utility model.

[0019] In the drawing:

[0020] Heightening main frame 1, inclined strut 2, extension bottom pole 3, side support rod 4, intermediate support rod 5, side plate 6, platform precast slab 7, inclined plate 8, antiskid line 9, smooth joint platform 10, mounting hole 11. CONCRETE EMBODIMENT

[0021] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0022] In the description of the embodiments, it should be noted that the positions or location relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense. For example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium; can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] As shown in the accompanying Figure 1 to the accompanying Figure 3 drawings:

[0024] The steel structure for raising the platform of rail transit provided by the present application comprises a raising main frame 1, an inclined brace 2, an extended bottom rod 3, a side support rod 4, an intermediate support rod 5, a side plate 6, a platform prefabricated plate 7, an inclined plate 8, an anti-skid line 9 and a smooth joint table 10. The inclined brace 2 is arranged on the inner side of the raising main frame 1. The lower side of one side of the raising main frame 1 is fixed with one end of each of the three extended bottom rods 3. The other end of each of the extended bottom rods 3 is connected with the lower end of the side support rod 4 or the intermediate support rod 5. The upper end of each of the side support rod 4 and the intermediate support rod 5 is fixedly connected with the upper surface of the inner side of the raising main frame 1. The outer surface of the raising main frame 1 and the side support rod 4 is fixedly provided with the side plate 6. The platform prefabricated plate 7 is arranged on the raising main frame 1, the side support rod 4 and the intermediate support rod 5. The side support rod 4 and the intermediate support rod 5 are provided with a plurality of inclined plates 8. Each of the inclined plates 8 is provided with the anti-skid line 9. The smooth joint table 10 is fixedly connected with one end of the extended bottom rod 3 and the side plate 6.

[0025] Further, the high-raised main frame 1 is a rectangular frame composed of two vertical beams and horizontal beams, and the vertical beams and horizontal beams can be made of Q345 steel material. The steel material has high strength and good toughness, and can meet the requirements of long-term load bearing of the platform high-raising structure. The height of the vertical beam can be determined according to the actual height of the platform to be raised; the length of the horizontal beam is designed according to the width of the platform, and the cross-sectional shape and size thereof can be the same as that of the vertical beam, so as to ensure the stability and consistency of the entire frame structure.

[0026] Further, the inclined support rod 2 is arranged in an inclined manner on the inner side of the high-raised main frame 1 and corresponds to the diagonal line of the high-raised main frame 1. The inclined support rod 2 can also be made of Q345 steel material. The inclined support rod 2 is fixed to the high-raised main frame 1 by welding or bolt connection. This arrangement can effectively enhance the anti-deformation capability of the high-raised main frame 1 and improve the stability of the entire structure.

[0027] Further, the high-raised main frame 1, the inclined support rod 2, the extended bottom rod 3, the side support rod 4 and the intermediate support rod 5 form a high-raised framework, and mounting holes 11 required for installation are formed in the high-raised framework. The mounting holes 11 are bolted together. The diameter of the mounting hole 11 can be determined according to the specification of the selected bolt. For example, if a M20 bolt is selected, the diameter of the mounting hole 11 is 22-23 mm. The bolt can be selected as a high-strength 8.8 grade bolt, which has high tensile strength and shear strength, and can ensure the reliability of the connection between the components.

[0028] Further, the three extended bottom rods 3 are arranged at both sides and the middle position of the high-raised main frame 1. The extended bottom rod 3 can be made of the same Q345 steel material as the high-raised main frame 1, and the cross-sectional shape thereof can be rectangular. The extended bottom rod 3 is fixed to the platform by expansion bolts, and the expansion bolts can be selected as M16 specification, and the length thereof is determined according to the structure and bearing requirements of the platform. The extended bottom rod 3 at one side is connected to the side support rod 4, and the extended bottom rod 3 at the middle position is connected to the intermediate support rod 5. The connection mode can be welding or bolt connection, so as to ensure the strength and stability of the connection.

[0029] Further, the side support rod 4 and the intermediate support rod 5 have the same structure and are arranged in an inclined manner. The side support rod 4 and the intermediate support rod 5 can also be made of Q345 steel material, and the cross-sectional shape thereof can be H-shaped steel. The inclination angle can be determined according to the actual situation and design requirements of the platform, and is generally between 30°-60°.

[0030] Further, several of the slope plate 8 along the side support rod 4 and the outer surface of the intermediate support rod 5 flat layout, slope plate 8 can be used with good anti-skid steel plate, the surface is treated to form anti-skid lines 9. Slope plate 8 by welding or bolted to the side of the support rod 4 and the intermediate support rod 5, installation to ensure that the splicing between each slope plate 8 closely, surface flat.

[0031] Further, wherein the platform precast slab 7 and the slope plate 8 smooth transition joint. Platform precast slab 7 can be used reinforced concrete precast slab. In the installation of platform precast slab 7 and slope plate 8, the height and position of the two to accurately control the height difference at the joint does not exceed 2mm, to ensure the smoothness of the passenger walk.

[0032] Further, the side support rod 4 and the intermediate support rod 5 and one end of the triangular smooth joint table 10 fixed, smooth joint table 10 can be welded from steel plate, material for Q235 steel triangular smooth joint table 10 of the specific size can be designed according to actual needs. Smooth joint table 10 and the platform ground smooth docking.

[0033] The installation process is as follows: installation preparation stage, first of all, the preparation of materials and tools. On all steel components, such as high main frame 1, inclined strut 2, extension bottom rod 3, side support rod 4, intermediate support rod 5, side plate 6, platform precast slab 7, slope plate 8 and smooth joint table 10, etc. Comprehensive inspection to ensure that the quality, size accuracy and surface quality meet the design requirements. At the same time, the tools needed for installation are prepared, and the performance of the tools is ensured. After the materials are transported to the construction site, they need to be reasonably stacked and protected. Site preparation includes site cleaning, measurement and platform structure inspection, to create good conditions for construction and ensure the platform bearing capacity.

[0034] Into the high skeleton 1 installation stage, first of all, the installation of high main frame 1, including the installation and adjustment of vertical beam and horizontal beam, to ensure the size accuracy and perpendicularity of the frame structure. Then install the inclined strut 2 to enhance the anti-deformation ability of the frame. Then install the extension bottom rod 3, which is firmly fixed on the platform. Side support rod 4 and intermediate support rod 5 are installed according to the designed inclination angle to ensure stable support. When installing the side plate 6, it needs to be ensured that it is closely attached to the high main frame 1 and the side support rod 4, and the connection is firm. Platform precast slab 7 and slope plate 8 are laid according to the designed position, with the height and splicing quality controlled. The anti-skid performance of the slope plate 8 needs special attention. When installing the smooth joint table 10, it needs to be ensured that it is firmly connected with the side support rod 4 and the intermediate support rod 5, and it is smoothly docked with the platform ground to achieve seamless connection.

[0035] The technical scheme of the utility model, or the technical scheme inspired by the technical scheme of the utility model, designs similar technical scheme, and achieves the above technical effect, and all falls into the protection range of the utility model.

Claims

1. A steel structure for heightening a rail transit platform, characterized in that, The utility model provides a kind of platform, including high main frame (1), diagonal brace (2), extended bottom bar (3), side support bar (4), intermediate support bar (5), side plate (6), platform prefabricated slab (7), slope board (8), anti-skid line (9) and smooth joint table (10), diagonal brace (2) is provided with in the inside installation of high main frame (1), the lower side of high main frame (1) is respectively fixed with the one end of three extended bottom bar (3), the lower end of extended bottom bar (3) is respectively connected with side support bar (4) or intermediate support bar (5), the upper end of side support bar (4) and intermediate support bar (5) is fixedly connected with the upper surface of the inside of high main frame (1), the outside surface of high main frame (1) and side support bar (4) is fixedly installed with side plate (6);Platform prefabricated slab (7) is installed on high main frame (1), side support bar (4) and intermediate support bar (5);Slope board (8) is installed on side support bar (4) and intermediate support bar (5), and each slope board (8) is provided with anti-skid line (9) on surface;Smooth joint table (10) is fixedly connected with the one end of extended bottom bar (3) and side plate (6).

2. The steel structure for increasing the height of a rail transit platform according to claim 1, characterized in that: High main frame (1) is rectangular frame composed of two vertical beams and crossbeam, diagonal brace (2) is installed in the inside of high main frame (1) and corresponds with the diagonal line of high main frame (1).

3. The steel structure for increasing the height of a rail transit platform according to claim 2, characterized in that: High main frame (1), diagonal brace (2), extended bottom bar (3), side support bar (4) and intermediate support bar (5) are high skeleton, and mounting hole (11) is formed in high skeleton, and it is installed together with cooperation bolt.

4. The steel structure for increasing the height of a rail transit platform according to claim 3, characterized in that: Three extended bottom bars (3) are distributed and arranged at both sides and middle position of high main frame (1), and extended bottom bar (3) is fixed together with platform by expansion bolt, and the extended bottom bar (3) of one side position is connected with side support bar (4), and the extended bottom bar (3) of middle position is connected with intermediate support bar (5).

5. The steel structure for increasing the height of a rail transit platform according to claim 4, characterized in that: Side support bar (4) and intermediate support bar (5) are the same structure and are installed obliquely, and several slope boards (8) are evenly arranged along the outer surface of side support bar (4) and intermediate support bar (5), and the joint of platform prefabricated slab (7) and slope board (8) is smoothly transitioned.

6. The steel structure for heightening a rail transit platform according to claim 5, characterized in that: One end of side support bar (4) and intermediate support bar (5) is fixed with triangular smooth joint table (10), and smooth joint table (10) is smoothly connected with platform ground.

Images