Auxiliary fixing structure for large-span plain concrete constructional steel bars

Abstract

The utility model provides an auxiliary fixing structure for large-span plain concrete constructional reinforcing steel bars, which relates to the technical field of concrete construction and comprises two groups of steel templates, a plurality of concrete cushion blocks are arranged on the two groups of steel templates, and constructional reinforcing steel bar meshes are arranged on two sides of the two groups of steel templates. Vertical steel bar supports are arranged on the outer sides of the constructional steel bar meshes, the same base plate is arranged on the tops of the two sets of steel formworks, a plurality of concrete blocks are arranged on the top of the base plate, and the same transverse top steel bar beam is arranged between every two opposite concrete blocks. A plurality of longitudinal top steel bar beams are longitudinally arranged among the transverse top steel bar beams, and diagonal bracing steel bar supports are arranged on one side of the vertical steel bar supports and one side of the transverse top steel bar beams. The reinforcing steel bar auxiliary fixing structure increases the connection firmness of the steel formwork, is simple in structure, uses less steel, is convenient to construct, and saves cost.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete construction, in particular to a large-span plain concrete structural steel bar auxiliary fixing structure. Background Art

[0002] In large-span concrete structures, durability requirements such as crack resistance often need to be met, and a layer of structural reinforcement will be added to the structure. Compared with reinforced structures such as beams, columns, and piers, the position of a single surface layer of structural reinforcement is difficult to fix, and the construction quality cannot be guaranteed. The existing construction methods mostly add a rectangular skeleton to the concrete structure, which greatly increases the cost of measures and the cost of project construction, which is not conducive to the project achieving the goal of reducing costs and increasing efficiency; in addition, there are too many lap points in the rectangular steel skeleton, which makes the construction complicated and the construction period long; finally, the rectangular skeleton is not fixed to the cushion layer, and it is easy to move as a whole during construction, and the thickness of the concrete structure steel protective layer cannot be guaranteed. Utility Model Content

[0003] In order to solve the above-mentioned technical problems, the utility model discloses a large-span plain concrete structural steel bar auxiliary fixing structure, which has the characteristics of simple structure and convenient construction. It can effectively reduce the amount of auxiliary steel bars, while ensuring the thickness of the steel bar protective layer, and improving the construction quality of large-span plain concrete.

[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0005] An embodiment of the utility model provides a large-span plain concrete structural steel bar auxiliary fixing structure, comprising two groups of steel formworks, both groups of steel formworks are provided with a plurality of concrete pads, both sides of the two groups of steel formworks are provided with structural steel bar meshes, the outer sides of the structural steel bar meshes are provided with vertical steel bar supports, the tops of the two groups of steel formworks are provided with the same pad, the tops of the pads are provided with a plurality of concrete blocks, the same transverse top steel bar beam is provided between two opposite concrete blocks, a plurality of longitudinal top steel bar beams are longitudinally provided between the plurality of transverse top steel bar beams, the same top mesh is provided on the tops of the plurality of transverse top steel bar beams and the longitudinal top steel bar beams, and a diagonal bracing steel bar support is provided on one side of the vertical steel bar support and the transverse top steel bar beam.

[0006] Preferably, a plurality of the concrete pads are arranged in a straight line on a steel formwork, and the steel formwork is fitted to the side surface of the structural steel mesh.

[0007] Preferably, the vertical steel bar support is L-shaped, and the same triangular prism is arranged on two adjacent sides of the vertical steel bar support, and the lower end of the vertical steel bar support is at the same height as the lower end of the steel formwork.

[0008] Preferably, a same through bolt is provided between two vertical steel bar supports, and a nut is sleeved on one side of the vertical steel bar support on the through bolt.

[0009] Preferably, the transverse top reinforcement beam is welded to the longitudinal top reinforcement beam.

[0010] Preferably, both ends of the diagonal bracing steel bar support are provided with connecting plates, and the connecting plates are welded to the vertical steel bar support and the transverse top steel bar beam.

[0011] Preferably, a plurality of connecting parts are arranged between the transverse top steel beam and the top mesh, the two ends of the connecting parts are welded to the top mesh, the middle part of the connecting parts is connected to the transverse top steel beam through a connecting bolt, and a connecting groove cooperating with the connecting bolt is opened on the transverse top steel beam.

[0012] Preferably, the structural steel mesh is provided with a plate groove cooperating with the transverse top steel beam, and the transverse top steel beam is connected to the structural steel mesh through.

[0013] The above solution of the utility model includes at least the following beneficial effects:

[0014] 1. The utility model can fix the position of concrete structural reinforcement through the steel structural support by means of the concrete pad, structural steel mesh, vertical steel support bracket, diagonal steel support bracket, transverse top steel beam and longitudinal top steel beam, so as to prevent the structural reinforcement from moving during concrete pouring and affecting the construction quality of the concrete structure; in addition, the top transverse top steel beam and the longitudinal top steel beam are welded on the plane, so that the structural reinforcement can provide a construction working surface for the concrete pouring workers, and the large-span plain concrete structural reinforcement auxiliary fixing structure has a simple structure, uses less steel, is convenient to construct, and saves costs;

[0015] 2. The utility model can connect two sets of steel formworks with the structural steel mesh by using through bolts and nuts, which is convenient for connecting the structural steel mesh with the steel formwork, providing structural support for the two sets of steel formworks, and facilitating the structural welding of the fixing device. Afterwards, by using the top mesh on the top of the transverse top steel beam and the top longitudinal top steel beam, the plate gap can be narrowed, the safety of the working surface can be increased, and the displacement of the structural steel bars during construction can be effectively prevented, thereby ensuring the construction quality of the concrete structure.

[0016] 3. The utility model, through the provision of pads and concrete blocks, is convenient for increasing the connection firmness between the transverse top reinforcement beam and the structural reinforcement mesh, is convenient for increasing the connection firmness of multiple steel formworks, and can assist in the fixation of the top transverse top reinforcement beam and the longitudinal top reinforcement beam, thereby ensuring that the thickness of the structural reinforcement protective layer meets the requirements of the specifications, thereby ensuring the construction quality of the concrete structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional view of the structure of the utility model;

[0018] Figure 2 It is a structural exploded diagram of the steel formwork and structural steel mesh in the utility model;

[0019] Figure 3 It is a structural stereoscopic view of the steel mesh and the diagonal steel support bracket in the utility model;

[0020] Figure 4 It is a three-dimensional view of the local structure of the structural steel mesh and the transverse top steel beam in the utility model;

[0021] Figure 5 It is a partial structural exploded diagram of the transverse top steel beam, the longitudinal top steel beam and the top mesh in the utility model.

[0022] Description of reference numerals:

[0023] 1. Steel formwork; 2. Concrete pad; 3. Structural steel mesh; 4. Vertical steel support; 5. Diagonal steel support; 6. Pad; 7. Concrete block; 8. Horizontal top steel beam; 9. Longitudinal top steel beam; 10. Top mesh; 11. Connector; 12. Connecting plate; 13. Through bolt; 14. Nut; 15. Connecting bolt; 16. Connecting groove; 17. Plate groove. DETAILED DESCRIPTION

[0024] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0025] like Figures 1 to 5 As shown, an embodiment of the utility model provides a large-span plain concrete structural steel bar auxiliary fixing structure, including two groups of steel formworks 1, multiple concrete pads 2 are arranged on the two groups of steel formworks 1, structural steel bar meshes 3 are arranged on both sides of the two groups of steel formworks 1, and vertical steel bar supports 4 are arranged on the outer sides of the structural steel bar meshes 3. The tops of the two groups of steel formworks 1 are provided with the same pad 6, and multiple concrete blocks 7 are arranged on the top of the pad 6. The same transverse top steel bar beam 8 is arranged between two relatively concrete blocks 7, and multiple longitudinal top steel bar beams 9 are longitudinally arranged between the multiple transverse top steel bar beams 8. The same top mesh 10 is arranged on the tops of the multiple transverse top steel bar beams 8 and the longitudinal top steel bar beams 9, and diagonal bracing steel bar supports 5 are arranged on one side of the vertical steel bar supports 4 and the transverse top steel bar beams 8.

[0026] It should be noted that the steel formwork 1 in this embodiment is the supporting steel bar of the auxiliary fixing device, and the concrete pad 2 is arranged in a straight line on the steel formwork 1 to increase the weight of the steel formwork 1 and increase the hardness of the structural steel bar. The use of the structural steel mesh 3 and the vertical steel bar bracket 4 on both sides of the steel formwork 1 facilitates the increase of the connection firmness between the concrete pad 2 and the steel formwork 1, and realizes the connection of multiple steel formworks 1 so that they can be constructed into a surface, thereby increasing the stability of the structural steel bar and the supporting position. The use of the top pad 6 and the concrete block 7 of the steel formwork 1 facilitates the connection of the two groups of steel formworks 1, and then facilitates the construction and setting of large-span structural steel bars, which can provide a construction working surface for concrete pouring workers and ensure the efficiency of engineering construction.

[0027] As a preferred technical solution of this embodiment, Figures 1 to 5 As shown, a plurality of concrete pads 2 are arranged in a straight line on the steel formwork 1, and the steel formwork 1 is fitted with the side of the structural steel mesh 3. The use of the concrete pads 2 can increase the weight of the steel formwork 1 and the structural steel bar structure stability. The fitting arrangement of the steel formwork 1 and the structural steel mesh 3 facilitates the installation and disassembly of the structural steel mesh 3 and the steel formwork 1.

[0028] Furthermore, the vertical steel bar support 4 is L-shaped, and the same triangular prism is arranged on the adjacent two sides of the vertical steel bar support 4. The lower end of the vertical steel bar support 4 is located at the same height as the lower end of the steel formwork 1. By setting the vertical steel bar support 4 and the lower end of the steel formwork 1 to the same height, it is convenient for the lower end of the vertical steel bar support 4 to fit with the supporting surface of the structural steel bar. Later, the two sides of the steel formwork 1 can be supported by the setting of the triangular prism and the L-shaped structure, thereby achieving an anti-dumping effect between the structural steel bar and the supporting position.

[0029] Furthermore, a same through bolt 13 is provided between two vertical steel bar supports 4, and a nut 14 is sleeved on one side of the through bolt 13 located on the vertical steel bar support 4. By using the through bolt 13 and the nut 14, it is convenient to connect the vertical steel bar supports 4 on both sides of the steel formwork 1, thereby increasing the connection firmness between the steel formwork 1 and the structural steel mesh 3 and the vertical steel bar supports 4, realizing the integrity of the pipeline device, and by using multiple pairs of vertical steel bar supports 4, the structural steel mesh 3 can be vertically supported in the use position.

[0030] Furthermore, the transverse top steel beam 8 and the longitudinal top steel beam 9 are welded to form a structure, and the vertical steel support 4, the transverse top steel beam 8 and the longitudinal top steel beam 9 are structurally connected by welding.

[0031] Furthermore, connecting plates 12 are provided at both ends of the diagonal bracing steel bar support 5, and the connecting plates 12 are welded to the vertical bracing steel bar support 4 and the transverse top bracing steel bar beam 8. By setting the connecting plates 12, the welding area between the vertical bracing steel bar support 4 and the transverse top bracing steel bar beam 8 can be increased, and the connection firmness between the diagonal bracing steel bar support 5 and the vertical bracing steel bar support 4 and the transverse top bracing steel bar beam 8 can be increased. The other end of the diagonal bracing steel bar support 5 can be welded on the placement plane in use.

[0032] Furthermore, a plurality of connectors 11 are provided between the transverse top reinforcement beam 8 and the top mesh 10, the two ends of the connectors 11 are welded to the top mesh 10, the middle part of the connector 11 is connected to the transverse top reinforcement beam 8 via a connecting bolt 15, and a connecting groove 16 cooperating with the connecting bolt 15 is provided on the transverse top reinforcement beam 8. The provision of the connector 11 facilitates the connection between the top mesh 10 and the transverse top reinforcement beam 8, and is used for laying the top surface of the fixing device, reducing the gap between the plates, and increasing the construction safety of the working surface. The connecting bolt 15 passes through the connector 11 and is screwed into the connecting groove 16, which can be used to connect the transverse top reinforcement beam 8 to the top mesh 10, thereby increasing the stability of the top mesh 10.

[0033] Furthermore, a plate groove 17 cooperating with the transverse top steel bar beam 8 is opened on the structural steel mesh 3, and the transverse top steel bar beam 8 is connected with the structural steel mesh 3 through the provision of the plate groove 17, which facilitates the limiting treatment of the transverse top steel bar beam 8 on the structural steel mesh 3, and is used for welding the steel formwork 1 and the transverse top steel bar beam 8, and then the concrete block 7 at the end of the transverse top steel bar beam 8 is filled and solidified in the structural steel mesh 3, which can increase the connection firmness between the transverse top steel bar beam 8 and the structural steel mesh 3, and increase the structural integrity and stability of the fixing device.

[0034] When in use, the existing large-span plain concrete structural steel bar installation technology is applied. First, two groups of steel formworks 1 are arranged at both ends of the structural position, and then a plurality of concrete pads 2 are filled in the steel formworks 1 to increase the weight of the steel formworks 1. Both sides of the two groups of steel formworks 1 are bonded through the structural steel mesh 3, and then the vertical steel bar bracket 4 is used. One end of the triangular prism of the vertical steel bar bracket 4 is supported on the ground, and the other end of the vertical steel bar bracket 4 is bonded to the side of the structural steel mesh 3. The position of the structural steel mesh 3 is limited, and then the vertical steel bar bracket 4 is used. After the through bolt 13 penetrates the structural steel mesh 3 and the steel formwork 1, the nut 14 is used to tighten the process, and the structural steel mesh 3 is limitedly connected with the steel formwork 1, and then the same pad 6 is set up at the bottom of the two groups of steel formworks 1, and multiple transverse top steel beams 8 and multiple longitudinal top steel beams 9 are welded into a mesh structure, and then the two ends of the transverse top steel beam 8 are respectively inserted into the plate groove 17 of the structural steel mesh 3 to connect the two groups of steel formworks 1, and then the ends of the transverse top steel beam 8 and the pad 6 are filled with concrete as concrete blocks 7 to increase the transverse The top steel bar beam 8 is firmly connected to the structural steel mesh 3 to realize the construction of the working surface on the two steel structures, and then the top mesh 10 is laid on the upper side of the mesh structure of the transverse top steel bar beam 8 and the longitudinal top steel bar beam 9, and the middle part of the connecting piece 11 is passed through the connecting bolt 15 and then screwed into the connecting groove 16 of the transverse top steel bar beam 8, and then the two ends of the connecting piece 11 are passed through the top mesh 10 and welded to the top mesh 10, so that the top mesh 10 protects the mesh surface of the transverse top steel bar beam 8 and the longitudinal top steel bar beam 9, reducing the transverse top steel bar beam 8 and the longitudinal top steel bar beam 9. The gap of the top steel beam 9 can provide a construction working surface for the concrete pouring workers, ensuring the construction efficiency and safety of the project. Then, the diagonal brace steel support 5 is used to support and connect the vertical steel support 4 with the ground and the horizontal top steel beam 8 with the ground. When connecting, the connecting pieces 11 at both ends of the diagonal brace steel support 5 are welded to the vertical steel support 4 or the horizontal top steel beam 8, and then the other ends of the diagonal brace steel support 5 are welded to the fixed ground of the steel bar to realize auxiliary support of the steel bar structure. The structure is simple, less steel is used, the construction is convenient, and the cost is saved.

[0035] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A large-span plain concrete structure steel bar auxiliary fixing structure, comprising two sets of steel formwork (1), characterized in that: A plurality of concrete pads (2) are arranged on the two groups of steel formworks (1), structural steel mesh sheets (3) are arranged on both sides of the two groups of steel formworks (1), and a vertical steel support (4) is arranged on the outer side of the structural steel mesh sheets (3). The top of the two groups of steel formworks (1) is provided with a same pad (6), and a plurality of concrete blocks (7) are arranged on the top of the pad (6). A same transverse top steel beam (8) is arranged between two concrete blocks (7), and a plurality of longitudinal top steel beams (9) are arranged longitudinally between the plurality of transverse top steel beams (8). A same top mesh sheet (10) is arranged on the top of the plurality of transverse top steel beams (8) and the longitudinal top steel beams (9), and a diagonal bracing steel support (5) is arranged on one side of the vertical steel support (4) and the transverse top steel beam (8).

2. A large-span plain concrete structural steel bar auxiliary fixing structure according to claim 1, characterized in that: A plurality of the concrete pads (2) are arranged in a straight line on a steel formwork (1), and the steel formwork (1) is fitted to the side of a structural steel mesh sheet (3).

3. The large-span plain concrete steel bar auxiliary fixing structure according to claim 1 is characterized in that: The vertical steel bar support (4) is L-shaped, and the same triangular prism is arranged on two adjacent sides of the vertical steel bar support (4). The lower end of the vertical steel bar support (4) is located at the same height as the lower end of the steel formwork (1).

4. The large-span plain concrete steel bar auxiliary fixing structure according to claim 1 is characterized in that: A common through bolt (13) is provided between two vertical steel bar supports (4), and a nut (14) is sleeved on one side of the through bolt (13) located on the vertical steel bar support (4).

5. The large-span plain concrete structural steel bar auxiliary fixing structure according to claim 1, characterized in that: The transverse top steel beam (8) is welded to the longitudinal top steel beam (9).

6. The large-span plain concrete structural steel bar auxiliary fixing structure according to claim 1, characterized in that: Both ends of the diagonal steel bar support (5) are provided with connecting pieces (12), and the connecting pieces (12) are welded to the vertical steel bar support (4) and the transverse top steel bar beam (8).

7. The large-span plain concrete steel bar auxiliary fixing structure according to claim 1, characterized in that: A plurality of connecting pieces (11) are provided between the transverse top steel beam (8) and the top mesh (10), the two ends of the connecting piece (11) are welded to the top mesh (10), the middle part of the connecting piece (11) is connected to the transverse top steel beam (8) via a connecting bolt (15), and a connecting groove (16) cooperating with the connecting bolt (15) is provided on the transverse top steel beam (8).

8. The large-span plain concrete steel bar auxiliary fixing structure according to claim 7, characterized in that: The structural steel mesh (3) is provided with a plate groove (17) that matches the transverse top steel beam (8), and the transverse top steel beam (8) is connected to the structural steel mesh (3) through.

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