High-altitude cantilever concrete floor supporting structure
By designing the support structure of high-altitude cantilever concrete floor slabs and using U-bolts to fix the support steel and erect protective frames, the construction difficulty and stability of the high-altitude cantilever structure are solved, and the safety and cost-effectiveness of the construction are improved.
Patent Information
- Application Number
- CN202323421295.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2033-12-15
AI Technical Summary
With the diversification of building shapes and the increase in length and height of cantilever structures, the construction difficulty has been significantly increased. It is difficult for the existing technology to ensure the stability and safety of the support structure of high-altitude cantilever concrete floors, and at the same time, the construction cost and construction period are relatively long.
A high-altitude cantilever concrete floor support structure is designed, supporting steel is fixed through U-bolts, protective frame is set, and a frame composed of vertical poles, transverse horizontal poles and longitudinal horizontal poles is used to the whole frame below the roof panel cantilever area The support frame body is vertically and horizontally penetrated through the tie, and the bottom of the support steel is supported by the oblique brace of the steel, transmitting load to the main structure, ensuring stability and safety, and dismantling in the order of post-disassembly and first installation, simplifying construction.
It improves the stability and safety of high-altitude cantilever structures, simplifies the construction process, reduces the investment in supporting materials, shortens construction period, reduces construction costs, and achieves the safety and stability of construction and the reusable effect.
Smart Images
Figure CN222227901U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building construction, in particular to a high-altitude cantilevered concrete floor support structure. Background Art
[0002] With the rapid development of urbanization in my country, architectural shapes and structures have become diverse, and many cantilever structural components have appeared. The cantilever length is getting longer and longer, and the height from the ground is getting higher and higher, and the corresponding construction difficulty is also increasing. Summary of the invention
[0003] The purpose of the utility model is to solve the problems raised in the background technology and to provide a high-altitude cantilevered concrete floor support structure.
[0004] The technical solution of the utility model to achieve the above purpose is:
[0005] A high-altitude cantilever concrete floor support structure comprises a floor, a connecting plate, a steel brace, a supporting steel, a reinforcing steel plate, a U-bolt, a vertical pole, a transverse horizontal pole, a longitudinal horizontal pole, a sweeping pole, a beam, and a dense mesh. The floor is connected to the connecting plate by bolts, one end of the steel brace is fixedly connected to the connecting plate, the supporting steel is fixedly connected to the reinforcing steel plate, the other end of the steel brace is connected to the reinforcing steel plate by bolts, the U-bolt is sleeved on the supporting steel and fixedly connected to the floor, the supporting steel is fixedly connected to one end of the vertical pole, the vertical pole is connected to the transverse horizontal pole by a fastener, the transverse horizontal pole is connected to the longitudinal horizontal pole by a fastener, the vertical pole is connected to the sweeping pole by a fastener, the beam is fixedly connected to the transverse horizontal pole, the dense mesh is fixedly connected to the transverse horizontal pole, and the dense mesh is fixedly connected to the longitudinal horizontal pole.
[0006] Preferably, angle steels are provided on the floor slab, and the angle steels are connected to the floor slab by bolts. The angle steels are located on both sides of the supporting steel sections and fit with the supporting steel sections.
[0007] Preferably, a scissors brace is provided on the transverse horizontal rod, and the scissors brace is connected to the transverse horizontal rod via a fastener.
[0008] Preferably, a lightning protection grounding is provided at the top of the vertical pole, and the lightning protection grounding is fixedly connected to the vertical pole.
[0009] Preferably, a wooden wedge is provided on the U-shaped bolt, the wooden wedge is in contact with the U-shaped bolt, and the wooden wedge is in contact with the supporting steel.
[0010] The utility model provides a high-altitude cantilevered concrete floor support structure, which has the following beneficial effects:
[0011] The device uses U-bolts to fix the supporting steel on the floor through its structural design, and a protective frame consisting of vertical poles, sweeping poles, transverse horizontal poles and longitudinal horizontal poles is set up on the supporting steel. The protective frame is connected to the supporting frame set up below the cantilevered area of the roof panel in the vertical and horizontal directions to ensure the overall stability of the frame. The bottom of the supporting steel is supported by the steel diagonal brace, and the steel diagonal brace transfers the vertical load and horizontal load borne by the supporting steel to the main structure, and is reliably connected to the main structure, thereby improving the safety and stability. A reinforced concrete structure with a large cantilever at high altitude is constructed on this supporting structure. After the external decoration and renovation project of the large cantilever structure at high altitude is accepted, it is dismantled in the order of first dismantling the later erected structure and then dismantling the earlier installed structure. The structure is broken down into parts and disassembled in the air. The construction can be completed by dismantling all the steel structure truss beams. Compared with the traditional ground-based scaffolding, the structure is easy to construct and install, the components of each part can be reused, and the operation is simple. The investment in supporting materials is reduced, the construction period is shortened, and the construction cost is saved, while the safety and stability are significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the high-altitude cantilevered concrete floor support structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the top view of the structure of the high-altitude cantilevered concrete floor support structure of the utility model;
[0014] Figure 3 It is a side structural schematic diagram of the high-altitude cantilevered concrete floor support structure of the utility model.
[0015] In the figure: 1. Floor slab; 2. Connecting plate; 3. Steel brace; 4. Supporting steel; 5. Reinforcing steel plate; 6. U-bolt; 7. Vertical pole; 8. Horizontal pole; 9. Vertical pole; 10. Sweeping pole; 11. Beam; 12. Close mesh; 13. Angle steel; 14. Scissors brace; 15. Lightning protection grounding; 16. Wooden wedge. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be noted that the terms "upper / lower end", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting / sleeving", "sleeve connection", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] See also Figure 1-3 , the utility model provides a technical solution:
[0020] A high-altitude cantilever concrete floor support structure comprises a floor 1, a connecting plate 2, a steel brace 3, a supporting steel 4, a reinforcing steel plate 5, a U-bolt 6, a vertical pole 7, a transverse horizontal rod 8, a longitudinal horizontal rod 9, a sweeping rod 10, a beam 11, and a dense mesh 12. The floor 1 is connected to the connecting plate 2 by bolts, one end of the steel brace 3 is fixedly connected to the connecting plate 2, the supporting steel 4 is fixedly connected to the reinforcing steel plate 5, and the other end of the steel brace 3 is connected to the reinforcing steel plate 5 by bolts. The U-bolt 6 is sleeved on the supporting steel 4 and fixedly connected to the floor 1, the supporting steel 4 is fixedly connected to one end of the vertical pole 7, the vertical pole 7 is connected to the transverse horizontal rod 8 by fasteners, the transverse horizontal rod 8 is connected to the longitudinal horizontal rod 9 by fasteners, the vertical pole 7 is connected to the sweeping rod 10 by fasteners, the beam 11 is fixedly connected to the transverse horizontal rod 8, the dense mesh 12 is fixedly connected to the transverse horizontal rod 8, and the dense mesh 12 is fixedly connected to the longitudinal horizontal rod 9.
[0021] In the present invention, angle steels 13 are provided on the floor 1, and the angle steels 13 are connected to the floor 1 by bolts. The angle steels 13 are located on both sides of the supporting steel 4 and fit with the supporting steel 4, so that the supporting steel 4 is prevented from slipping by the angle steels 13 on both sides of the supporting steel 4.
[0022] In the utility model, a scissors strut 14 is provided on the transverse horizontal rod 8, and the scissors strut 14 is connected to the transverse horizontal rod 8 by a fastener. The scissors strut 14 is used to strengthen the strength of the protective frame composed of the vertical rod 7, the sweeping rod 10, the transverse horizontal rod 8 and the longitudinal horizontal rod 9.
[0023] In the utility model, a lightning protection grounding 15 is provided at the top of the vertical pole 7, and the lightning protection grounding 15 is fixedly connected to the vertical pole 7. The lightning protection grounding 15 at the top of the outer vertical pole 7 improves the safety of the construction workers.
[0024] In the utility model, a wooden wedge 16 is provided on the U-bolt 6, and the wooden wedge 16 is in close contact with the U-bolt 6, and the wooden wedge 16 is in close contact with the supporting steel 4. By wedging the gap between the U-bolt 6 and the supporting steel with the wooden wedge 16, the supporting steel 4 and the U-bolt 6 are more securely connected.
[0025] In this implementation scheme: First, clean the 5th floor slab 1 before installing the structure, sweep away the dust, and arrange the lines with a span of 1500mm as the control line of the support steel 4. Then, install the embedded DN25 sleeve on the side beam of the 4th floor slab 1. The sleeve is 300mm long and has a span of 1500mm. The connection plates 2 are 1500mm apart and fixed with double nuts. A φ25 pull ring is welded in the middle of the connection plate 2. Then, the support steel 4 is hoisted onto the floor slab 1. A 200mm long Φ25mm steel bar is welded 100mm from the top of the support steel 4 as a frame anti-slip measure. Two pairs of U-bolts 6 are anchored at the ends. The gap between the U-bolts 6 and the support steel is wedged with wooden wedges 16 to make the support steel 4 more secure. Angle steels 13 are welded on both sides of the support steel 4 to connect with the floor slab 1 to prevent the support steel 4 from slipping. Each A steel brace 3 is set up under the supporting steel 4, and a reinforcing steel plate 5 is welded at the junction with the supporting steel 4. Bolt holes are reserved and connected with high-strength bolts. The other end of the steel brace 3 is anchored to the connecting plate 2 with high-strength bolts. After the supporting steel 4 and the steel brace 3 are erected, bamboo plywood is fully paved. Outside the cantilevered area of the roof panel, a protective frame consisting of vertical poles 7, sweeping poles 10, transverse horizontal poles 8 and longitudinal horizontal poles 9 is set up on the supporting steel 4, with a transverse spacing of 0.8m, a longitudinal spacing of 1.5m, and a step distance of 1.5m. A longitudinal scissors brace 14 is set every 3 rows of vertical poles 7 around the protective frame, and is continuously set from bottom to top to strengthen the strength of the protective frame. Beams 11 and dense mesh 12 are set on the outer horizontal horizontal rods 8 to improve the safety of the protective frame. A supporting frame is set up under the cantilevered area of the roof panel, and sweeping rods 10 in the longitudinal and transverse directions are set on the vertical poles 7 at a distance of no more than 200mm from the supporting steel 4, with a step distance of 1.5m, a longitudinal spacing of 1.5m, and a transverse spacing of 0.9m. They are connected with the frame inside the structure in the longitudinal and transverse directions to ensure the overall stability of the frame. Lightning protection grounding 15 is welded every 5m on the top of the outer vertical poles 7 to improve the safety of the construction workers. After the external decoration and renovation project of the high-altitude large cantilever structure is accepted, this structure will be dismantled in the order of dismantling the later ones first and the earlier installed ones last, and the dismantled materials will be transported out of the site in time.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-altitude cantilevered concrete floor support structure, characterized in that: The invention comprises a floor slab (1), a connecting plate (2), a steel brace (3), a supporting steel (4), a reinforcing steel plate (5), a U-bolt (6), a vertical pole (7), a transverse horizontal pole (8), a longitudinal horizontal pole (9), a sweeping pole (10), a beam plate (11), and a dense mesh (12), wherein the floor slab (1) is connected to the connecting plate (2) by bolts, one end of the steel brace (3) is fixedly connected to the connecting plate (2), the supporting steel (4) is fixedly connected to the reinforcing steel plate (5), the other end of the steel brace (3) is connected to the reinforcing steel plate (5) by bolts, and the The U-shaped bolt (6) is sleeved on the supporting steel (4) and fixedly connected to the floor slab (1); the supporting steel (4) is fixedly connected to one end of the vertical rod (7); the vertical rod (7) is connected to the transverse horizontal rod (8) via a fastener; the transverse horizontal rod (8) is connected to the longitudinal horizontal rod (9) via a fastener; the vertical rod (7) is connected to the sweeping rod (10) via a fastener; the beam slab (11) is fixedly connected to the transverse horizontal rod (8); the dense mesh (12) is fixedly connected to the transverse horizontal rod (8); and the dense mesh (12) is fixedly connected to the longitudinal horizontal rod (9).
2. The high-altitude cantilevered concrete floor support structure according to claim 1 is characterized in that: An angle steel (13) is provided on the floor slab (1), the angle steel (13) is connected to the floor slab (1) by bolts, and the angle steel (13) is located on both sides of the supporting steel (4) and fits the supporting steel (4).
3. The high-altitude cantilevered concrete floor support structure according to claim 1 is characterized in that: A scissors brace (14) is provided on the transverse horizontal rod (8), and the scissors brace (14) is connected to the transverse horizontal rod (8) via a fastener.
4. The high-altitude cantilevered concrete floor support structure according to claim 1 is characterized in that: A lightning protection grounding (15) is provided at the top of the vertical pole (7), and the lightning protection grounding (15) is fixedly connected to the vertical pole (7).
5. The high-altitude cantilevered concrete floor support structure according to claim 1 is characterized in that: The U-shaped bolt (6) is provided with a wooden wedge (16), the wooden wedge (16) is in contact with the U-shaped bolt (6), and the wooden wedge (16) is in contact with the supporting steel (4).