Steel structure construction platform easy to disassemble

Abstract

The utility model discloses an easy-to-disassemble steel structure construction platform which comprises a plurality of rows of first frame bodies and second frame bodies, the first frame bodies and the second frame bodies enclose a steel pylon and are connected with each other, and the first frame bodies and the second frame bodies are respectively connected with the steel pylon through bolts. The first frame body comprises a first supporting plate in bolted connection with the steel pylon and provided with a plurality of first connecting screw holes and a first walkway located at the upper end of the first supporting plate, and the second frame body comprises a second supporting plate in bolted connection with the steel pylon and provided with a plurality of second connecting screw holes and a second walkway located at the upper end of the second supporting plate. A first guardrail and a second guardrail are arranged on the upper portion of the first walkway and the upper portion of the second walkway respectively, the first walkway is further provided with a climbing plate, the climbing plate is connected with a ladder stand arranged in the vertical direction in a penetrating mode, and the ladder stand is connected to other adjacent first frame bodies in the height direction in the vertical direction. According to the utility model, adverse effects on the steel pylon can be reduced, the construction platform is convenient to mount and dismount, the construction efficiency of the steel pylon is improved, the safety is high, and economy and practicability are realized.

Description

Technical Field

[0001] The utility model relates to the technical field of construction platforms, in particular to a detachable steel structure construction platform. Background Art

[0002] During the construction of cable-stayed bridge steel towers in large bridge construction, high-altitude operations for hoisting the upper and lower tower sections of the steel tower are usually faced. Construction workers need to carry out installation, welding, painting and other work at different heights of the upper and lower tower sections. Using traditional methods such as hanging baskets poses great safety risks, and there are great risks in ensuring the safety of construction workers. Illegal and rule-breaking operations occur from time to time. Therefore, it is necessary to set up a construction platform at the upper and lower tower sections to facilitate construction workers to reach the construction positions for various construction operations.

[0003] However, the existing cable-stayed tower construction platforms have certain deficiencies. Most of their construction platforms are welded to the steel structure construction platforms by welding, resulting in difficult installation and disassembly of the steel structure construction platforms during construction. The disassembly time of the steel structure construction platforms in the later stage of construction is relatively long, reducing the construction efficiency of the cable-stayed tower, and thus affecting the construction efficiency of the entire project of large bridge construction; moreover, the welding method will pose certain potential safety hazards to the cable-stayed tower and may affect the service life of the cable-stayed tower. Summary of the Utility Model

[0004] In order to solve the technical problems that the installation and disassembly of the existing steel structure construction platform are relatively difficult, reducing the construction efficiency of the cable-stayed tower, and the welding method will pose certain potential safety hazards to the cable-stayed tower and may affect the service life of the cable-stayed tower, the utility model provides the following technical solutions.

[0005] The detachable steel structure construction platform of the utility model includes a number of rows of interconnected first frameworks and second frameworks that enclose the cable-stayed tower. The first framework and the second framework are respectively bolted to the cable-stayed tower. The first framework includes a first support plate provided with a number of first connection screw holes bolted to the cable-stayed tower and a first walkway located at the upper end of the first support plate. The second framework includes a second support plate provided with a number of second connection screw holes bolted to the cable-stayed tower and a second walkway located at the upper end of the second support plate. First guardrails and second guardrails are respectively arranged on the upper parts of the first walkway and the second walkway. A climbing board is also arranged on the first walkway. The climbing board is penetrated and connected with a ladder arranged in the vertical direction. The ladder is vertically connected to other adjacent first frameworks in the height direction to facilitate construction at different heights of the cable-stayed tower.

[0006] As a further technical solution, the lower part of the first walkway is connected to the first support plate through a number of triangular supports, and the lower part of the second walkway is connected to the second support plate through a number of triangular supports with the same structure.

[0007] As a further technical solution, one end of the first support plate and the second support plate close to each other are respectively provided with a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are bolted together.

[0008] As a further technical solution, the first support plate is provided with a concave portion, and the climbing board is located above the concave portion.

[0009] As a further technical solution, one end of the first guardrail and the second guardrail close to each other are respectively provided with a first connecting section and a second connecting section, and one end of the upper parts of the first connecting section and the second connecting section close to each other are provided with a first connecting block and a second connecting block which are bolted together.

[0010] As a further technical solution, the upper and lower ends of the ladder are respectively bolted to two adjacent first support plates.

[0011] The beneficial effects of the present utility model are as follows. The easily detachable steel structure construction platform of the present utility model adopts a structure in which the first frame body and the second frame body enclose the steel cable tower and are respectively bolted to the steel cable tower, reducing the adverse effects on the steel cable tower. The first walkway and the second walkway are supported by triangular supports, facilitating the passage of operators, being safe and reliable. Moreover, the installation and disassembly of the steel structure construction platform adopt a bolt connection method, which is convenient for loading and unloading, improving the construction efficiency of the steel cable tower, being able to meet the requirements of the edge protection of construction operators, having high safety, and being economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is an exploded structural diagram of the present utility model;

[0014] Figure 3 is a schematic diagram of the triangular support of the present utility model;

[0015] Figure 4 is a connection diagram of the first connecting section and the second connecting section of the present utility model;

[0016] In the figure: 1 - first frame body; 101 - first support plate; 102 - first connecting screw hole; 103 - first connecting plate; 104 - concave portion; 2 - second frame body; 201 - second support plate; 202 - second connecting screw hole; 203 - second connecting plate; 3 - first walkway; 4 - second walkway; 5 - first guardrail; 501 - first connecting section; 502 - first connecting block; 6 - second guardrail; 601 - second connecting section; 602 - second connecting block; 7 - climbing board; 701 - square hole; 8 - ladder; 9 - triangular support. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] In order to make the purpose, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0018] In the description of the present utility model, it should be understood that the terms "upper" and "lower" are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the technical features indicated. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more.

[0019] As Figure 1 and Figure 2 shown, an easily detachable steel structure construction platform of the present utility model includes a number of rows of first frameworks 1 and second frameworks 2 that enclose the cable-stayed tower. The first frameworks 1 and the second frameworks 2 are connected to each other by bolts. The number of rows means that the first frameworks 1 and the second frameworks 2 can be arranged in one row, two rows or more rows in the height direction of the cable-stayed tower to meet the construction requirements at different heights of the cable-stayed tower. Moreover, the first frameworks 1 and the second frameworks 2 are respectively bolt-connected to the cable-stayed tower, reducing the damage to the cable-stayed tower caused by welding and also reducing the time consumed for installation and disassembly during welding.

[0020] In a preferred embodiment, the first framework 1 includes a first support plate 101 bolt-connected to the cable-stayed tower. The first support plate 101 is provided with a number of first connection screw holes 102. The positions of the first connection screw holes 102 are not limited to those shown in the figure, and more can also be provided in the horizontal and vertical directions of the first support plate 101. No special limitation is made thereto. The first connection screw holes 102 are connected to the existing or newly opened screw holes of the cable-stayed tower through bolts, so that the first support plate 101 is fixedly connected to the cable-stayed tower. A first walkway 3 is provided at the upper end of the first support plate 101. The first walkway 3 is used for construction workers to walk and for the construction of the cable-stayed tower. The second framework 2 includes a second support plate 201 bolt-connected to the cable-stayed tower. The second support plate 201 is also provided with a number of second connection screw holes 202. The second connection screw holes 202 have the same structure as the first connection screw holes 102 and are also connected to the existing or newly opened screw holes of the cable-stayed tower through bolts, so that the second support plate 201 is fixedly connected to the cable-stayed tower. A second walkway 4 is provided at the upper end of the second support plate 201. The second walkway 4 has the same function as the first walkway 3 and a similar structure.

[0021] One end of the first support plate 101 and the second support plate 201 close to each other are respectively provided with a first connecting plate 103 and a second connecting plate 203. The first connecting plate 103 and the second connecting plate 203 are bolted together to increase the connection stability between the first support plate 101 and the second support plate 201, facilitating the movement of workers between the first support plate 101 and the second support plate 201 during the construction of the cable tower.

[0022] In a preferred embodiment, the first walkway 3 and the second walkway 4 are made of patterned steel plates. There is no specific limitation on their shapes as long as they can meet the normal walking and standing construction needs of workers. The lower part of the first walkway 3 is connected to the first support plate 101 through a plurality of triangular supports 9. The lower part of the second walkway 4 is connected to the second support plate 201 through a plurality of triangular supports 9 with the same structure. The triangular supports 9 are processed from angle steel and can be welded to one side of the upper parts of the first support plate 101 and the second support plate 201. The upper ends of the triangular supports 9 are welded to the first walkway 3 and the second walkway 4 respectively for supporting the first walkway 3 and the second walkway 4.

[0023] In a preferred embodiment, the first walkway 3 and the second walkway 4 are respectively provided with first guardrails 5 and second guardrails 6 with the same structure and arranged oppositely. The first guardrails 5 and the second guardrails 6 can be welded to the first walkway 3 and the second walkway 4 using square pipes or round pipes. The heights of the first guardrails 5 and the second guardrails 6 should be above 1.2 m to meet the edge protection requirements of workers. One end of the first guardrail 5 and the second guardrail 6 close to each other are respectively provided with a first connecting section 501 and a second connecting section 601. One end of the upper parts of the first connecting section 501 and the second connecting section 601 close to each other are provided with a first connecting block 502 and a second connecting block 602. The first connecting block 502 and the second connecting block 602 are both provided with threaded holes, and the first connecting block 502 and the second connecting block 602 can be connected and fixed by bolts to deepen the connection stability between the first frame 1 and the second frame 2.

[0024] In a preferred embodiment, the first walkway 3 is further provided with a climbing board 7. The first support plate 101 is provided with a concave part 104, and the climbing board 7 is located above the concave part 104. The climbing board 7 is penetrated and connected with a ladder 8 arranged in the vertical direction. The climbing board 7 is provided with a square hole 701, and the ladder 8 passes through the square hole 701. The ladder 8 is vertically connected to other first frames 1 adjacent in the height direction to facilitate construction at different heights of the cable tower. Among them, the upper and lower ends of the ladder 8 are respectively bolted to two adjacent first support plates 101 to facilitate the installation and disassembly of the ladder 8. At the same time, the second walkway 4 can also be provided with a climbing board 7 and a ladder 8 with the same structure, and there is no special limitation on this.

[0025] When the utility model is in use, the first frame body 1 and the second frame body 2 are aligned and bolted to the corresponding positions of the cable tower respectively. Then, the first connecting plate 103 and the second connecting plate 203 are bolted together. Furthermore, the first connecting block 502 and the second connecting block 602 are connected and fixed by bolts, so as to enhance the connection stability between the first frame body 1 and the second frame body 2. After connecting multiple rows of the first frame body 1 and the second frame body 2 in the height direction of the cable tower, the ladder 8 is respectively connected and fixed to a plurality of first support plates 101, and then the workers can carry out construction.

[0026] The preferred specific embodiments and examples of the present utility model are described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments and examples. Within the scope of knowledge possessed by those skilled in the art, various changes or equivalent replacements can be made without departing from the concept of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. A demountable steel structure construction platform, characterized in that: It includes several rows of interconnected first frameworks (1) and second frameworks (2) that enclose the cable tower. The first framework (1) and the second framework (2) are respectively bolted to the cable tower. The first framework (1) includes a first support plate (101) bolted to the cable tower and provided with a number of first connection screw holes (102), and a first walkway (3) located at the upper end of the first support plate (101). The second framework (2) includes a second support plate (201) bolted to the cable tower and provided with a number of second connection screw holes (202), and a second walkway (4) located at the upper end of the second support plate (201). First guardrails (5) and second guardrails (6) are respectively provided on the upper parts of the first walkway (3) and the second walkway (4). A climbing board (7) is further provided on the first walkway (3). A climbing ladder (8) vertically arranged is penetrated and connected through the climbing board (7). The climbing ladder (8) is vertically connected to other adjacent first frameworks (1) in the height direction to facilitate construction at different heights of the cable tower.

2. The detachable steel structure construction platform according to claim 1, characterized in that: The lower part of the first walkway (3) is connected to the first support plate (101) through a number of triangular supports (9). The lower part of the second walkway (4) is connected to the second support plate (201) through a number of triangular supports (9) with the same structure.

3. The detachable steel structure construction platform according to claim 1, characterized in that: One end of the first support plate (101) and the second support plate (201) that are close to each other are respectively provided with a first connecting plate (103) and a second connecting plate (203). The first connecting plate (103) and the second connecting plate (203) are bolted together.

4. The detachable steel structure construction platform according to claim 1, wherein: The first support plate (101) is provided with a concave part (104). The climbing board (7) is located above the concave part (104).

5. The detachable steel structure construction platform according to claim 1, characterized in that: One end of the first guardrail (5) and the second guardrail (6) that are close to each other are respectively provided with a first connecting section (501) and a second connecting section (601). One end of the upper parts of the first connecting section (501) and the second connecting section (601) that are close to each other are provided with a first connecting block (502) and a second connecting block (602) bolted together.

6. The detachable steel structure construction platform according to claim 1, wherein: The upper and lower ends of the climbing ladder (8) are respectively bolted to two adjacent first support plates (101).

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