Concrete-filled steel tube bundle shear wall connecting structure

Abstract

The utility model provides a concrete filled steel tube bundle shear wall connecting structure, which belongs to the technical field of fabricated buildings and comprises a middle steel tube and a linear combined steel tube, the middle steel tube is provided with a clamping plate and an extension plate, the linear combined steel tube is provided with a bayonet and a limiting plate, and the clamping plate is clamped with the bayonet to enable the middle steel tube to be attached to the outer side of the bayonet. The cross section of the shear wall is linear, L-shaped, T-shaped, cross-shaped or Z-shaped. The utility model has the beneficial effects that by arranging the middle steel pipe and the linear combined steel pipe, the irregular-shaped wall body is split into regular-shaped wall bodies, so that the middle steel pipe and the linear combined steel pipe are more convenient to transport and store, the transportation efficiency is improved, and the transportation cost is reduced; through clamping connection, welding operation is not needed, installation is more convenient, meanwhile, connection is stable, the installation quality is easier to control, and wide applicability is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembled buildings, and in particular relates to a steel tube concrete bundle shear wall connection structure. Background Art

[0002] With the continuous advancement of urbanization, prefabricated construction is being vigorously promoted due to its advantages such as high productivity, low resource consumption, low construction waste and dust, and labor savings. Steel tube concrete shear walls are prefabricated, cast-on-site, and low-pollution prefabricated building components. The steel tube bundles can be assembled by welding cold-formed U-shaped steel or rectangular steel tubes into various shapes, such as straight, L, T, and cross. Concrete is then poured on-site. These bundles are typically arranged along interior and exterior walls, at corners between interior and exterior walls, and around the perimeter of the tube and tube-in-tube structure. There are two fabrication methods. One is to weld the steel tube bundles in the factory, resulting in a variety of overall shapes for the steel tube concrete shear wall. This results in low space utilization and transportation efficiency, as well as difficult loading and unloading and prone to deformation during transportation. The other method is to weld and assemble the components on-site. However, on-site welding often suffers from poor construction conditions, involves working at height, is difficult, and cannot guarantee weld quality. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a steel tube concrete bundle shear wall connection structure, which can split the irregular shaped wall into regular shapes for processing, thereby facilitating transportation and installation.

[0004] The technical solution adopted by the utility model is: a steel tube concrete bundle shear wall connection structure, including an intermediate steel tube and an I-shaped combined steel tube, a clamping plate is provided on the outer side of the intermediate steel tube, and a bayonet is provided on the end of the I-shaped combined steel tube, and the clamping plate is engaged with the bayonet so that the intermediate steel tube fits against the outer side of the bayonet to limit the I-shaped combined steel tube from moving in a direction away from the intermediate steel tube.

[0005] Furthermore, the middle steel pipe and the plurality of I-shaped combined steel pipes are clamped together to form a shear wall having an I-shaped, L-shaped, T-shaped, cross-shaped or Z-shaped cross section.

[0006] Furthermore, the two clamps are arranged opposite to each other, the first ends of the clamps are connected to the side plates of the middle steel pipe, and the distance between the outer edges of the first ends of the two clamps is the same as the opening size of the clamp; the second ends of the clamps move away from each other in a direction inclined to the side plates and extend into the clamp.

[0007] Furthermore, limiting plates are respectively provided on both sides of the bayonet, and the limiting plates are respectively attached to the two bayonet plates.

[0008] Furthermore, the length directions of the clamping plate and the clamping port are both parallel to the length direction of the intermediate steel pipe.

[0009] Furthermore, the middle steel pipe is also provided with an extension plate, which is respectively arranged on both sides of the clamping plate, and is attached to the outer side of the I-shaped combined steel pipe and is fastened by a tightening piece.

[0010] Furthermore, one end of the extension plate is connected to two opposite side plates of the middle steel pipe.

[0011] Furthermore, the extension plate and the I-shaped combined steel pipe are provided with corresponding mounting holes, and the tensioning member is passed through the mounting holes.

[0012] Furthermore, the length of the extension plate is the same as that of the intermediate steel pipe, and the mounting holes are evenly spaced along the length of the extension plate.

[0013] Furthermore, the limiting plate is formed by bending the side plate at one end of the I-shaped combined steel pipe.

[0014] The advantages and positive effects of the present invention are as follows: by providing an intermediate steel pipe and a straight-line combined steel pipe, the present invention splits the irregular-shaped wall into a regular shape, making the two easier to transport and store after being prefabricated and formed in the factory, thereby maximizing space utilization, improving transportation efficiency, and reducing transportation costs; after the two are transported to the site, they are connected as one by snap-fitting, eliminating the need for welding, making installation easier, while also providing a stable connection and making installation quality easier to control. The intermediate steel pipe and the straight-line combined steel pipe can be assembled as needed to form shear walls with cross-sectional forms such as straight, L-shaped, T-shaped, cross-shaped, or Z-shaped, thus having a wide range of applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of shear walls with different cross-sectional forms in a specific embodiment of the present invention;

[0017] Figure 3 It is a top view of a specific embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the intermediate steel pipe of a specific embodiment of the utility model;

[0019] Figure 5 This is a schematic diagram of a straight-line combined steel pipe structure of a specific embodiment of the present utility model;

[0020] Figure 6This is an installation diagram of the first embodiment of the present utility model;

[0021] Figure 7 It is a structural diagram of the first embodiment of the present invention after installation.

[0022] In the picture:

[0023] 1. Middle steel pipe 11, clamping plate 12, extension plate

[0024] 2. I-shaped combined steel pipe 21, bayonet 22, limit plate

[0025] 3. Mounting hole 4. Tensioning piece DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described below with reference to the accompanying drawings.

[0027] like Figure 1 As shown, the utility model proposes a steel tube concrete bundle shear wall connection structure, including an intermediate steel tube 1 and an I-shaped combined steel tube 2, a clamping plate 11 is provided on the outside of the intermediate steel tube 1, and a bayonet 21 is provided on the end of the I-shaped combined steel tube 2. The clamping plate 11 is clamped with the bayonet 21, so that the intermediate steel tube 1 fits against the outside of the bayonet 21 to limit the I-shaped combined steel tube 2 from moving away from the intermediate steel tube 1.

[0028] Specifically, the above-mentioned I-shaped composite steel pipe 2 includes a number of steel pipes welded in sequence, wherein the steel pipes at one or both ends of the I-shaped composite steel pipe 2 are provided with the above-mentioned bayonet 21, and the intermediate steel pipe 1 and the other steel pipes of the I-shaped composite steel pipe 2 are provided with independent cavities, and openings are provided at both ends along their length direction for pouring concrete to form shear walls. This application splits the irregular-shaped wall into a regular shape by providing the intermediate steel pipe 1 and the I-shaped composite steel pipe 2, making it easier to transport and store the two after prefabrication and forming in the factory, which can maximize space utilization, improve transportation efficiency, and reduce transportation costs; after the two are transported to the site, they are connected as one by snapping, at which time the intermediate steel pipe 1 can close the bayonet 21 of the steel pipe at one end of the I-shaped composite steel pipe 2, facilitating the subsequent pouring of concrete into the cavities of each steel pipe, without the need for welding operations, making it easier to install, and at the same time, the installation quality is easier to control.

[0029] Furthermore, if Figure 2 As shown, the middle steel pipe 1 and a plurality of I-shaped combined steel pipes 2 are clamped together to form a shear wall with an I-shaped, L-shaped, T-shaped, cross-shaped or Z-shaped cross section.

[0030] In a specific embodiment, the intermediate steel pipe 1 is a rectangular steel pipe including four side panels; the I-shaped combined steel pipe 2 includes several rectangular steel pipes. In order to facilitate standardized processing and transportation, the intermediate steel pipe 1 and the I-shaped combined steel pipe 2 are respectively standardized in design. After being transported to the site, the two are connected and combined to form shear walls with different cross-sectional forms. Specifically, the clamping plate 11 can be set on one side panel, two side panels, three side panels or four side panels of the intermediate steel pipe 1 as needed, so that the intermediate steel pipe 1 has at least four different shapes; similarly, the I-shaped combined steel pipe 2 can be designed to have one or more specifications in length as needed.

[0031] Specifically, a clamping plate 11 is provided on one side plate of the intermediate steel pipe 1, and when a straight-line composite steel pipe 2 is connected to the intermediate steel pipe 1, a straight-line shear wall is formed; or clamping plates 11 are provided on two opposite side plates of the intermediate steel pipe 1, and two straight-line composite steel pipes 2 are respectively connected to the clamping plates 11 of the intermediate steel pipe 1 to form a straight-line shear wall with a longer length; or clamping plates 11 are provided on two adjacent side plates of the intermediate steel pipe 1, and two straight-line composite steel pipes 2 are respectively connected to the clamping plates 11 of the intermediate steel pipe 1 to form an L-shaped shear wall; or clamping plates 11 are provided on three side plates of the intermediate steel pipe 1, and three straight-line composite steel pipes 2 are respectively connected to the intermediate steel pipe 1 or the four side plates of the intermediate steel tube 1 are provided with card plates 11, and the four I-shaped combined steel tubes 2 are respectively connected to the card plates 11 of the intermediate steel tube 1 to form a cross shear wall; or the two adjacent side plates of the intermediate steel tube 1 are provided with card plates 11, and the two intermediate steel tubes 1 are connected through an I-shaped combined steel tube 2, and then the other two I-shaped combined steel tubes 2 are respectively connected to the card plates 11 on the other side of the two intermediate steel tubes 1, so that the two intermediate steel tubes 1 and the three I-shaped combined steel tubes 2 form a Z-shaped shear wall; or according to needs, several intermediate steel tubes 1 are connected to several I-shaped combined steel tubes 2 to form other special-shaped shear walls.

[0032] Furthermore, if Figure 1 、 Figure 3 and Figure 4As shown, the two clamping plates 11 are arranged opposite to each other, and the first ends of the clamping plates 11 are connected to the side plates of the middle steel pipe 1. The distance between the outer edges of the first ends of the two clamping plates 11 is the same as the opening size of the bayonet 21. The second ends of the two clamping plates 11 move away from each other in a direction inclined to the side plates and extend into the bayonet 21. In other words, the distance between the second ends of the two clamping plates 11 is greater than the bayonet 21, so that after the clamping plates 11 are engaged with the bayonet 21, the side plates of the middle steel pipe 1 are attached to the outside of the bayonet 21, thereby closing the bayonet 21. At the same time, due to The second ends of the clamping plates 11 are away from each other and extend into the inner side of the clamping slot 21. At this time, the clamping slot 21 forms a limit for the clamping plates 11, so that the I-shaped combined steel pipe 2 cannot move in the direction away from the middle steel pipe 1, thereby making the connection between the two more stable and not easily detached; specifically, when connecting, the middle steel pipe 1 is moved to align one end of its clamping plate 11 with the opening of the I-shaped combined steel pipe 2, and the middle steel pipe 1 is moved so that the clamping plate 11 enters the inner side of the clamping slot 21, thereby realizing the clamping connection between the middle steel pipe 1 and the I-shaped combined steel pipe 2.

[0033] Furthermore, if Figure 1 、 Figure 3 and Figure 5 As shown, limit plates 22 are provided on both sides of the bayonet 21, and the limit plates 22 are respectively attached to the two clamping plates 11. Specifically, the limit plates 22 are respectively provided on both sides of the opening of the bayonet 21 and are parallel to the two clamping plates 11. When the clamping plates 11 are engaged with the bayonet 21, the limit plates 22 are respectively attached to their corresponding clamping plates 11, which has achieved better positioning of the clamping plates 11, improved the strength of the bayonet 21, and made it less prone to deformation.

[0034] Furthermore, the length directions of the clamping plate 11 and the clamping port 21 are both parallel to the length direction of the intermediate steel pipe 1 .

[0035] Preferably, the length of the clamping plate 11 is smaller than that of the intermediate steel pipe 1 to save materials and facilitate alignment and installation; the length of the bayonet 21 is the same as that of the I-shaped combined steel pipe 2, so that the clamping plate 11 can easily pass through the buckle of the I-shaped combined steel pipe 2 and enter the inner side of the bayonet 21, and can move relative to the length direction of the I-shaped combined steel pipe 2, so that the intermediate steel pipe 1 is aligned with the I-shaped combined steel pipe 2 in the length direction to meet their use requirements.

[0036] Furthermore, the middle steel pipe 1 is further provided with an extension plate 12 , which is respectively arranged on both sides of the clamping plate 11 and is attached to the outer side of the I-shaped combined steel pipe 2 and is fastened by a tensioning member 4 .

[0037] Specifically, the distance between the extension plates 12 is set according to the thickness of the I-shaped combined steel pipe 2. When the clamping plate 11 is engaged with the clamping port 21, the extension plates 12 are attached to the side walls on both sides of the thickness direction of the I-shaped combined steel pipe 2 and are fixed to the I-shaped combined steel pipe 2 through the tensioning member 4, making the connection between the intermediate steel pipe 1 and the I-shaped combined steel pipe 2 more stable.

[0038] Furthermore, one end of the extension plate 12 is connected to two opposite side plates of the middle steel pipe 1 .

[0039] In a specific embodiment, the intermediate steel tube 1 and the I-shaped steel tube are both made of rectangular steel tubes. The cross-sectional size of the intermediate steel tube 1 is slightly larger than that of the I-shaped combined steel tube 2. The extension plates 12 are aligned with the two side plates in the thickness direction of the intermediate steel tube 1, and their inner walls are fitted with the two side walls in the thickness direction of the I-shaped combined steel tube 2.

[0040] The extension plate 12 and the straight-line composite steel pipe 2 are provided with corresponding mounting holes 3, through which a tensioning member 4 is inserted. Specifically, the tensioning member 4 is a screw rod that passes through the two side walls of the straight-line composite steel pipe 2 in the thickness direction and the mounting holes 3 on the extension plate 12. The screw rod is fastened to the outer side of the extension plate 12 by a nut, thereby achieving a stable connection between the intermediate steel pipe 1 and the straight-line composite steel pipe 2.

[0041] Furthermore, the length of the extension plate 12 is the same as that of the intermediate steel pipe 1 , and the mounting holes 3 are evenly spaced along the length direction of the extension plate 12 to achieve a better fastening connection effect.

[0042] Specifically, the extension width of the extension plate 12 can be set as needed. Preferably, the extension width of the extension plate 12 is the same as the width of the steel pipe at one end of the I-shaped combined steel pipe 2 it is attached to, and the mounting hole 3 is set in the middle of the width direction.

[0043] Furthermore, the limiting plate 22 is formed by bending the side plate at one end of the straight-line combined steel pipe 2. Specifically, the side wall of the steel pipe at one end of the straight-line combined steel pipe 2 is cut from the middle and bent toward the inner side of the cavity of the steel pipe at an angle corresponding to the clamping plate 11, which is more convenient for processing and manufacturing and helps to improve the integrity of the straight-line combined steel pipe 2.

[0044] The technical solution of the present application is described in detail below with reference to specific embodiments.

[0045] Example 1

[0046] A steel tube concrete bundle shear wall connection structure comprises a middle steel tube 1 and a straight-line combined steel tube 2, wherein the middle steel tube 1 and the straight-line combined steel tube 2 are connected by clamping.

[0047] The intermediate steel tube 1 is made of a rectangular steel tube, wherein two clamping plates 11 are provided on the side plate on one side of the intermediate steel tube 1. The two clamping plates 11 are arranged in a direction of width relative to each other, with their other ends being separated from each other in a direction inclined with respect to the side plate, forming a dovetail shape as a whole. The length of the clamping plates 11 is less than the length of the intermediate steel tube 1 and the entire clamping plates 11 are located in the middle of the length direction of the intermediate steel tube 1. The two ends of the side wall are connected to extension plates 12. The extension plates 12 are perpendicular to the side wall and are arranged on both sides of the clamping plates 11. The length of the extension plates 12 is the same as that of the intermediate steel tube 1. The middle portion of the width direction of the extension plates 12 is provided with mounting holes 3, which are evenly spaced along the length of the extension plates.

[0048] The above-mentioned I-shaped combined steel pipe 2 is welded together in sequence using multiple rectangular steel pipes, one end of which is clamped to the support plate of the above-mentioned intermediate steel pipe 1; the thickness of the I-shaped combined steel pipe 2 is the same as the distance between the two extension plates 12 of the intermediate steel pipe 1, and the side wall of the steel pipe at its end is provided with a bayonet 21 and a limit plate 22 along its length direction, which is formed by cutting the middle of the side wall and bending it toward the inside of its cavity. The bending angle is the same as the angle at which the clamping plate 11 is inclined to the side plate of the intermediate steel pipe 1, and the opening size of the bayonet 21 is the same as the distance between the outer edges of the first end of the clamping plate 11; at the same time, the two side walls adjacent to the side wall are provided with mounting holes 3 corresponding to the mounting holes 3 on the extension plate 12.

[0049] The above-mentioned intermediate steel pipe 1 and the straight-line combined steel pipe 2 are processed in the factory and then transported to the construction site for installation. Figure 6 、 Figure 7 As shown, the I-shaped combined steel pipe 2 is placed in the designed position so that its length direction is vertical; the intermediate steel pipe 1 is lifted by the lifting equipment so that its clamping plate 11 enters the cavity of the steel pipe at one end from the top opening of the I-shaped combined steel pipe 2. At this time, one side plate of the intermediate steel pipe 1 fits into the clamping port 21 of the I-shaped combined steel pipe 2. This state is maintained and the intermediate steel pipe 1 is dropped to the designed position. Bolts are passed through the mounting holes 3 and tightened with nuts to complete the connection between the I-shaped combined steel pipe and the intermediate steel pipe 1.

[0050] Example 2

[0051] A steel tube concrete bundle shear wall connection structure comprises a middle steel tube 1 and a straight-line combined steel tube 2. The middle steel tube 1 is respectively connected to the two straight-line combined steel tubes 2 by clamping.

[0052] The difference between the intermediate steel pipe 1 and the first embodiment is that two adjacent side plates of the intermediate steel pipe 1 are respectively provided with two clamping plates 11, and the structure of the clamping plates 11 is the same as that in the first embodiment.

[0053] During installation, first place the I-shaped combined steel pipe 2 at the designed position so that its length direction is vertical; lift the middle steel pipe 1 through the lifting equipment so that it is clamped with the I-shaped combined steel pipe 2 and fastened with bolts; then lift another I-shaped combined steel pipe 2 through the lifting equipment so that the clamping plate 11 on the other side wall of the middle steel pipe 1 passes through the opening at the bottom of the I-shaped combined steel pipe 2 into the inner side of the steel pipe cavity at one end thereof, and then lower the I-shaped combined steel pipe 2 to the designed position, and use bolts to pass through the mounting holes 3 to fasten it to the middle steel pipe 1.

[0054] This application breaks down irregularly shaped walls into regular shapes by providing an intermediate steel pipe and a straight-line combined steel pipe. This makes the two easier to transport and store after being prefabricated and formed in the factory, maximizing space utilization, improving transportation efficiency, and reducing transportation costs. After the two are transported to the site, they are connected as one by snap-fitting, eliminating the need for welding, making installation easier, while providing a stable connection and easier control of installation quality. The intermediate steel pipe and the straight-line combined steel pipe can be assembled as needed to form shear walls with straight, L-shaped, T-shaped, cross-shaped, or Z-shaped cross-sections, and have a wide range of applicability.

[0055] The above embodiments of the present invention are described in detail. However, the above contents are only preferred embodiments of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A steel tube concrete bundle shear wall connection structure, characterized by: It includes a middle steel pipe and a straight-line combined steel pipe. A clamping plate is provided on the outside of the middle steel pipe. A bayonet is provided at the end of the straight-line combined steel pipe. The clamping plate is engaged with the bayonet so that the middle steel pipe fits against the outside of the bayonet to limit the straight-line combined steel pipe from moving away from the middle steel pipe.

2. The steel tube concrete bundle shear wall connection structure according to claim 1, characterized in that: The middle steel pipe and the plurality of I-shaped combined steel pipes are clamped together to form a shear wall with an I-shaped, L-shaped, T-shaped, cross-shaped or Z-shaped cross section.

3. The steel tube concrete bundle shear wall connection structure according to claim 1 or 2, characterized in that: The two clamping plates are arranged opposite to each other, and the first ends of the clamping plates are connected to the side plates of the middle steel pipe. The distance between the outer edges of the first ends of the two clamping plates is the same as the opening size of the clamping port; the second ends of the clamping plates move away from each other in a direction inclined to the side plates and extend into the clamping port.

4. The steel tube concrete bundle shear wall connection structure according to claim 3, characterized in that: Limiting plates are respectively provided on both sides of the bayonet, and the limiting plates are respectively attached to the two bayonet plates.

5. The steel tube concrete bundle shear wall connection structure according to claim 4, characterized in that: The length directions of the clamping plate and the clamping port are both parallel to the length direction of the intermediate steel pipe.

6. The steel tube concrete bundle shear wall connection structure according to claim 4 or 5, characterized in that: The middle steel pipe is further provided with an extension plate, which is respectively arranged on both sides of the clamping plate, and is attached to the outer side of the I-shaped combined steel pipe and is fastened by a tightening piece.

7. The steel tube concrete bundle shear wall connection structure according to claim 6, characterized in that: One end of the extension plate is connected to two opposite side plates of the middle steel pipe.

8. The steel tube concrete bundle shear wall connection structure according to claim 6, characterized in that: The extension plate and the I-shaped combined steel pipe are provided with corresponding mounting holes, and the tensioning member is passed through the mounting holes.

9. The steel tube concrete bundle shear wall connection structure according to claim 8, characterized in that: The length of the extension plate is the same as that of the middle steel pipe, and the mounting holes are evenly spaced along the length of the extension plate.

10. The steel tube concrete bundle shear wall connection structure according to claim 4 or 5, characterized in that: The limiting plate is formed by bending the side plate at one end of the I-shaped combined steel pipe.

Images