Platform canopy expansion joint cover plate structure
By installing protective covers at the expansion joints of the platform canopy and fixing them to the beams, and combining them with plywood and thermal insulation extruded polystyrene boards, and using rain shields and tie rods for support, the problems of wind deflection, loosening, and water leakage of the covers were solved, thus improving stability and sealing.
Patent Information
- Application Number
- CN202520293199.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional platform canopy expansion joint covers suffer from problems such as wind deflection, loosening, and water leakage.
The structure adopts a protective cover plate fixedly connected to the beam, combined with plywood and thermal insulation extruded board to improve the sealing performance, uses rain shields to prevent rainwater leakage, and enhances stability through tie rods and steel pipe support structure.
It effectively prevents the cover plate from being blown off and loosened by the wind, improves the sealing and heat insulation properties, prevents water leakage from the expansion joint, and enhances the installation stability of the cover plate.
Smart Images

Figure CN223838327U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of platform roof canopy technology, and in particular relates to a platform canopy expansion joint cover structure. Background Technology
[0002] In railway station construction, platform canopies are an essential component. The original steel structures have been gradually replaced by cast-in-place concrete structures. Expansion joints within the concrete structure are a necessary design element, typically 10cm wide. Expansion joints are required for platform canopies, and waterproof structures must be installed at these joints to ensure the canopy's rain-proof performance.
[0003] In related technologies, expansion joint covers are installed above expansion joints. Traditional cover structures have safety issues such as wind deflection and loosening, as well as structural issues such as water leakage from the expansion joint. Utility Model Content
[0004] The purpose of this utility model embodiment is to provide a platform canopy expansion joint cover structure, which aims to solve the safety problems of wind blowing and loosening of traditional cover structures, as well as the structural problem of water leakage in expansion joints.
[0005] The present invention is implemented as follows:
[0006] An expansion joint cover structure for a platform canopy includes a first beam and a second beam, with an expansion joint formed between the first beam and the second beam;
[0007] It also includes a protective cover plate, one side of which is fixedly connected to the top of the first beam; the other side of which covers the top of the second beam; and the middle of which covers the expansion joint.
[0008] A buffer joint is formed between the protective cover plate and the top of the second beam. A thermal insulation extruded polystyrene board is installed in the buffer joint, and a plywood board is placed between the protective cover plate and the thermal insulation extruded polystyrene board.
[0009] The protective cover is installed on the top of the first beam via a fixing assembly;
[0010] An extension plate is integrally formed on the bottom surface of the end of the protective cover. A rain shield is installed on the extension plate through an installation component. The rain shield is used to block rain from the buffer joint, preventing rainwater from entering the expansion joint from the buffer joint.
[0011] Furthermore, the fixing components include a first pair of tie rods and double-section steel pipes, wherein the double-section steel pipes are located on both sides of the first beam, and multiple first pair of tie rods are used to connect and fix the first beam and the double-section steel pipes;
[0012] One end of the first tie rod is mounted on a double-jointed steel pipe on the outside of the first beam;
[0013] The other end of the first tie rod is mounted on the double-jointed steel pipe inside the first beam.
[0014] Furthermore, the protective cover plate is connected to the double-jointed steel pipe by a second pair of tie rods. The second pair of tie rods are installed on the protective cover plate to form a fixed connection between the protective cover plate and the first beam, so that the protective cover plate is stably fixed at the top of the first beam, avoiding the protective cover plate from being blown off or loosened by the wind.
[0015] In one embodiment, the system also includes multiple steel-wood joists, which are placed horizontally. One steel-wood joist is installed every 200 mm and connected to the double-splitting steel pipe. A pair of double-splitting steel pipes is installed every 600 mm as vertical support.
[0016] Furthermore, the mounting assembly includes mounting bolts that securely connect the top of the rain shield to the extension plate.
[0017] Furthermore, the extension plate has a first mounting cavity and a second mounting cavity; the top of the rain shield is integrally formed and connected to a connecting support plate, the top of the rain shield mates with the second mounting cavity, and the top of the rain shield extends into the second mounting cavity; the connecting support plate mates with the first mounting cavity, and the top of the connecting support plate extends into the second mounting cavity; the top of the rain shield has a mounting through hole, which mates with a mounting bolt.
[0018] Furthermore, a pre-embedded threaded sleeve is provided on the inner side wall of the second mounting cavity, which mates with the external thread at the end of the mounting bolt. When the top of the rain shield extends into the second mounting cavity, the end of the mounting bolt is passed through the mounting through hole and then screwed into the pre-embedded threaded sleeve through a threaded connection to fix the rain shield.
[0019] Furthermore, the top of the connecting support plate is higher than the top of the rain shield plate, and the connecting support plate is located between the rain shield plate and the buffer joint. The connecting support plate can effectively prevent rainwater from seeping into the inside of the extension plate and improve the waterproof effect of the buffer joint.
[0020] Compared with the prior art, the beneficial effects of this utility model's platform canopy expansion joint cover structure are:
[0021] First, this utility model improves sealing and insulation by using plywood and extruded polystyrene insulation boards; and further prevents water leakage at expansion joints by using rain guards.
[0022] Secondly, this utility model uses multiple first tie rods to connect and fix the first beam and the double-jointed steel pipe; the second tie rod is set on the protective cover plate to form a fixed connection between the protective cover plate and the first beam, so that the protective cover plate is stably fixed at the top of the first beam, providing stability for the installation of the protective cover plate and avoiding the protective cover plate from being blown off or loosened. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model.
[0024] Figure 1 This is a structural diagram of a platform canopy expansion joint cover plate structure according to the present invention;
[0025] Figure 2 for Figure 1 A schematic diagram of the installation structure of the rain shield in the provided cover plate structure;
[0026] Figure 3 for Figure 1 A schematic diagram of the rain shield structure in the provided cover plate structure.
[0027] The attached figures are labeled as follows:
[0028] 1. First beam; 2. Second beam; 3. Protective cover plate; 31. Extension plate; 32. First mounting cavity; 33. Second mounting cavity; 34. Embedded threaded sleeve; 4. First tie rod; 41. Second tie rod; 5. Double-jointed steel pipe; 6. Steel-wood keel; 7. Rain shield; 71. Connecting support plate; 72. Mounting bolt; 73. Mounting through hole; 8. Plywood; 9. Thermal insulation extruded polystyrene board. Detailed Implementation
[0029] The present invention will be further described below with reference to the accompanying drawings.
[0030] like Figure 1 As shown, this utility model embodiment provides a platform canopy expansion joint cover structure, including a first beam 1, a second beam 2, and a protective cover 3, wherein an expansion joint is formed between the first beam 1 and the second beam 2; specifically, one side of the protective cover 3 is fixedly connected to the top of the first beam 1; the other side of the protective cover 3 covers the top of the second beam 2; the middle part of the protective cover 3 covers the expansion joint; a buffer joint is formed between the protective cover 3 and the top of the second beam 2, and a thermal insulation extruded polystyrene board 9 is provided in the buffer joint; a plywood board 8 is provided between the protective cover 3 and the thermal insulation extruded polystyrene board 9. The plywood board 8 and the thermal insulation extruded polystyrene board 9 improve the sealing and insulation performance, and also prevent water leakage from the expansion joint;
[0031] Furthermore, in order to solve the safety problems of wind blowing and loosening of the protective cover plate 3, in this embodiment of the utility model, a fixing component is set to enable the protective cover plate 3 to be stably connected to the beam body, wherein the protective cover plate 3 is installed on the top of the first beam body 1 by the fixing component.
[0032] In one embodiment, the fixing assembly includes a first pair of tie rods 4 and a double-jointed steel pipe 5, wherein the double-jointed steel pipe 5 is located on both sides of the first beam 1, and a plurality of first tie rods 4 are used to connect and fix the first beam 1 and the double-jointed steel pipe 5.
[0033] One end of the first pair of tie rods 4 is set on the double-jointed steel pipe 5 on the outside of the first beam 1; the other end of the first pair of tie rods 4 is set on the double-jointed steel pipe 5 on the inside of the first beam 1.
[0034] In one embodiment, the protective cover plate 3 and the double-jointed steel pipe 5 are connected by a second tie rod 41. The second tie rod 41 is provided on the protective cover plate 3 to form a fixed connection between the protective cover plate 3 and the first beam 1, so that the protective cover plate 3 is stably fixed at the top of the first beam 1, and the protective cover plate 3 is prevented from being blown off or loosened by the wind.
[0035] In one embodiment, when the tie rod 4 of M14 is fixed, it is set starting 200mm from the bottom of the first beam 1 and spaced 300mm apart.
[0036] Please continue to refer to Figure 1 and Figure 2 The expansion joint cover structure of this embodiment also includes multiple steel-wood keels 6, which are placed horizontally. A 50x50mm steel-wood keel 6 is set every 200mm and connected to the double-jointed steel pipe 5 to form a stable frame structure.
[0037] In some embodiments, a pair of Φ48x3.0 double-section steel pipes 5 are arranged every 600 mm as vertical supports, which are used in conjunction with the first pair of tie rods 4 to form a stable support frame.
[0038] like Figures 1-3 As shown, in another embodiment of this utility model, the bottom surface of the end of the protective cover plate 3 is integrally formed with an extension plate 31, and a rain shield 7 is provided on the extension plate 31 by means of an installation component. The rain shield 7 is used to form a rain shield effect for the buffer joint, preventing rainwater from entering the expansion joint from the buffer joint.
[0039] In some embodiments, the mounting assembly includes mounting bolts 72, which securely connect the top end of the rain shield 7 to the extension plate 31.
[0040] Preferably, the extension plate 31 has a first mounting cavity 32 and a second mounting cavity 33; the top of the rain shield 7 is integrally formed and connected to a connecting support plate 71, the top of the rain shield 7 cooperates with the second mounting cavity 33, and the top of the rain shield 7 extends into the second mounting cavity 33; the connecting support plate 71 cooperates with the first mounting cavity 32, and the top of the connecting support plate 71 extends into the second mounting cavity 33; the top of the rain shield 7 has a mounting through hole 73, and the mounting through hole 73 cooperates with a mounting bolt 72;
[0041] A pre-embedded threaded sleeve 34 is provided on the inner wall of the second mounting cavity 33. The pre-embedded threaded sleeve 34 is engaged with the external thread at the end of the mounting bolt 72. When the top of the rain shield 7 extends into the second mounting cavity 33, the end of the mounting bolt 72 is passed through the mounting through hole 73 and then screwed into the pre-embedded threaded sleeve 34 through the threaded connection to fix the rain shield 7.
[0042] Preferably, the top of the connecting support plate 71 is higher than the top of the rainproof plate 7, and the connecting support plate 71 is located between the rainproof plate 7 and the buffer joint. The connecting support plate 71 can effectively prevent rainwater from seeping into the inner side of the extension plate 31 and improve the waterproof effect of the buffer joint.
[0043] Although embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for this utility model. Other modifications can be readily implemented by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and examples shown and described herein.
Claims
1. A platform canopy expansion joint cover structure, comprising a first beam (1) and a second beam (2), wherein an expansion joint is formed between the first beam (1) and the second beam (2); characterized in that: It also includes a protective cover plate (3), one side of which is fixedly connected to the top of the first beam (1); the other side of the protective cover plate (3) covers the top of the second beam (2); The middle part of the protective cover (3) covers the expansion joint; a buffer joint is formed between the protective cover (3) and the top of the second beam (2), and a thermal insulation extruded board (9) is provided in the buffer joint. A plywood board (8) is provided between the protective cover (3) and the thermal insulation extruded board (9); the protective cover (3) is installed on the top of the first beam (1) by a fixing component; an extension plate (31) is integrally formed on the bottom surface of the end of the protective cover (3), and a rain shield (7) is provided on the extension plate (31) by an installation component.
2. The platform canopy expansion joint cover structure according to claim 1, characterized in that, The fixing assembly includes a first pair of tie rods (4) and a double-jointed steel pipe (5), wherein the double-jointed steel pipe (5) is located on both sides of the first beam (1), and multiple first pair of tie rods (4) are used to connect and fix the first beam (1) and the double-jointed steel pipe (5); One end of the first tie rod (4) is set on the double steel pipe (5) on the outside of the first beam (1); The other end of the first tie rod (4) is set on the double-jointed steel pipe (5) inside the first beam (1).
3. The platform canopy expansion joint cover structure according to claim 2, characterized in that, The protective cover (3) and the double-jointed steel pipe (5) are connected by a second pair of tie rods (41), which are set on the protective cover (3).
4. The platform canopy expansion joint cover structure according to claim 3, characterized in that, It also includes multiple steel-wood keels (6), which are placed horizontally. One steel-wood keel (6) is set every 200 mm and connected to the double-jointed steel pipe (5); a pair of double-jointed steel pipes (5) is set every 600 mm as vertical support.
5. The platform canopy expansion joint cover structure according to any one of claims 2 to 4, characterized in that, The mounting components include mounting bolts (72) that securely connect the top of the rain shield (7) to the extension plate (31).
6. The platform canopy expansion joint cover structure according to claim 5, characterized in that, The extension plate (31) is provided with a first mounting cavity (32) and a second mounting cavity (33); the top end of the rain shield (7) is integrally formed and connected with a connecting support plate (71); the top end of the rain shield (7) cooperates with the second mounting cavity (33), and the top end of the rain shield (7) extends into the second mounting cavity (33); the connecting support plate (71) cooperates with the first mounting cavity (32), and the top end of the connecting support plate (71) extends into the second mounting cavity (33); the top end of the rain shield (7) is provided with a mounting through hole (73), and the mounting through hole (73) cooperates with the mounting bolt (72).
7. The platform canopy expansion joint cover structure according to claim 6, characterized in that, An embedded threaded sleeve (34) is provided on the inner wall of the second mounting cavity (33). The embedded threaded sleeve (34) is engaged with the external thread at the end of the mounting bolt (72). When the top of the rain shield (7) extends into the second mounting cavity (33), the end of the mounting bolt (72) passes through the mounting through hole (73) and is screwed into the embedded threaded sleeve (34) by threaded connection.
8. The platform canopy expansion joint cover structure according to claim 7, characterized in that, The top of the connecting support plate (71) is higher than the top of the rain shield (7), and the connecting support plate (71) is located between the rain shield (7) and the buffer seam.