High-strength prestress axis bearing anti-seismic steel rod assembly

Abstract

End plates are arranged at the two pipe ends of a hollow steel pipe for fixing and packaging, a tensile connecting piece is in a round rod shape and coaxially arranged in the hollow steel pipe in a penetrating mode, the two ends of the tensile connecting piece are provided with external threads and penetrate through the two end plates respectively, and the exposed ends of the tensile connecting piece are fastened on the end plates through prestress double nuts. A pair of lug plates is arranged on the end face of the outward side of each side end plate and arranged in the axial direction of the hollow steel pipe, a through sleeve is fixed between the lug plates in a transverse supporting mode, the sleeve is perpendicular to the lug plates, and the two pipe ends are communicated with the outside. The pair of lug plates of the short plate on each side is covered with a lug base in a matched mode, lug base holes in the two sides of each lug base are aligned to the two pipe ends of the corresponding sleeve, a pin shaft penetrates through the lug base holes and the two pipe ends of the corresponding sleeve, and the two ends of each pin shaft are provided with external threads, exposed out of the corresponding lug base and fastened to the corresponding lug base through double nuts respectively. According to the utility model, the tensile capacity is realized, and the compressive stable bearing capacity is also realized.

Description

Technical Field

[0001] The utility model relates to the fields of building steel structures and bridge steel structures, and more specifically to a high-strength prestressed axially loaded seismic steel rod assembly. Background Art

[0002] Steel structures are widely used in both civil and industrial steel building structures and bridge steel structures. The stable bearing capacity of steel structure components is a key technology of steel structures. Especially in seismic steel structure components, it is currently very difficult to design a component with high axial bearing capacity that has both high tensile capacity and high compressive stable seismic bearing capacity. Summary of the Utility Model

[0003] To solve the above technical problems, the utility model proposes a high-strength prestressed axially loaded seismic steel rod assembly, which realizes both tensile capacity and compressive stable bearing capacity.

[0004] To achieve the above object, the utility model adopts the following technical solutions:

[0005] A high-strength prestressed axially loaded seismic steel rod assembly, and its structural features are:

[0006] End plates are fixedly encapsulated at both ends of the hollow steel pipe. The tensile connecting piece is in the shape of a round rod and is coaxially arranged in the hollow steel pipe. It has external threads at both ends, respectively penetrates through the two end plates, and the exposed ends are fastened to the end plates by prestressed double nuts. On the outer side end face of each side end plate, a pair of ear plates are provided. The pair of ear plates are arranged along the axial direction of the hollow steel pipe, and the distance between them is set corresponding to the inner diameter of the hollow steel pipe. They are symmetrically distributed with the central axis of the hollow steel pipe as the center. A through sleeve of a cross brace is fixed between the pair of ear plates. The sleeve is perpendicular to the ear plates, and both ends of the pipe are communicated with the outside;

[0007] Outside each pair of ear plates of each short plate, an ear seat is correspondingly sleeved. The ear seat holes on both sides of the ear seat are aligned with the two ends of the sleeve, and a pin shaft is arranged through them. The two ends of the pin shaft have external threads and are exposed outside the ear seat, and are respectively fastened to the ear seat by double nuts.

[0008] The structural features of the utility model also lie in:

[0009] The main body of the tensile connecting piece is a tensioned steel wire rope, and connecting rods are arranged at both ends of the rope. The connecting rods have external threads and correspondingly penetrate through the installation holes reserved on the end plates, and are fastened to the end plates by the prestressed double nuts.

[0010] The tensile connecting piece is a steel rod with external threads at both ends, which correspondingly penetrates through the installation holes reserved on the end plates, and is fastened to the end plates by the prestressed double nuts.

[0011] The ear seat has a U-shaped structure, with a pair of ear seat plates with ear seat holes on both sides, a base plate at the closed end, and the open end facing a pair of ear plates, covering the pair of ear plates.

[0012] The end plate is welded to the pipe end of the hollow steel pipe.

[0013] Compared with the prior art, the beneficial effects of the present utility model are embodied in:

[0014] The present utility model utilizes the compressive stability bearing capacity of the hollow steel pipe, and also provides tensile bearing capacity by setting tensile connecting pieces. The high-strength prestressed axial bearing seismic steel rod assembly achieved by combination can provide seismic resistance with high bearing capacity for both compression and tension at the same time. Description of the Drawings

[0015] Figure 1 is the front view structural schematic diagram of the present utility model;

[0016] Figure 2 is the side view structural schematic diagram of the present utility model.

[0017] In the figure, 1 is the hollow steel pipe; 2 is the end plate; 3 is the tensile connecting piece; 31 is the steel wire rope; 32 is the connecting rod; 4 is the prestressed double nut; 5 is the ear plate; 6 is the sleeve; 7 is the ear seat; 71 is the ear seat plate; 72 is the base plate; 8 is the pin shaft; 9 is the double nut. Detailed Embodiment

[0018] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1 to 2 , the structure of the high-strength prestressed axial bearing seismic steel rod assembly in this embodiment is set as follows:

[0020] End plates 2 are fixedly encapsulated at both pipe ends of the hollow steel pipe 1. The tensile connecting piece 3 is in a round rod shape and coaxially penetrates through the hollow steel pipe 1. It has external threads at both ends, respectively penetrates through the two end plates 2, and the exposed ends are fastened to the end plates 2 by prestressed double nuts 4. On the outer side end face of each side end plate 2, a pair of ear plates 5 are provided. The pair of ear plates 5 are arranged along the axial direction of the hollow steel pipe 1, and the distance between them is set corresponding to the inner diameter of the hollow steel pipe 1, and they are symmetrically distributed with the central axis of the hollow steel pipe 1 as the center. A sleeve 6 with a through cross brace is fixed between the pair of ear plates 5. The sleeve 6 is perpendicular to the ear plates 5, and both pipe ends are communicated with the outside;

[0021] A socket 7 is correspondingly sleeved outside a pair of ear plates 5 on each short board. The socket holes on both sides of the socket 7 are aligned with the two pipe ends of the sleeve 6, and a pin shaft 8 is inserted through them. The two ends of the pin shaft 8 have external threads and are exposed outside the socket 7, and are respectively fastened to the socket 7 by double nuts 9.

[0022] In specific implementation, the corresponding structural settings of this component also include:

[0023] The structure of the tensile connection member 3 can be:

[0024] The main body of the tensile connection member 3 is a tensioned steel wire rope 31. Connecting rods 32 are provided at both ends of the wire rope. The connecting rods 32 have external threads and correspondingly penetrate through the installation holes reserved on the end plate 2, and are fastened to the end plate 2 by prestressed double nuts 4;

[0025] It can also be:

[0026] The tensile connection member 3 is a steel rod, with external threads at both ends, correspondingly penetrating through the installation holes reserved on the end plate 2, and being fastened to the end plate 2 by prestressed double nuts 4.

[0027] The socket 7 has a U-shaped structure. The two sides are a pair of socket plates 71 with socket holes, the closed end is the base plate 72, and the open end faces the pair of ear plates 5 and is sleeved on the pair of ear plates 5.

[0028] The end plate 2 is welded to the pipe end of the hollow steel pipe 1.

[0029] The sleeve 6 is welded between a pair of ear plates 5.

[0030] For the high-strength prestressed axially loaded seismic steel rod component with the above structure, through the compressive stability bearing capacity of the hollow steel pipe 1 and by using the tensile connection member 3 to provide tensile bearing capacity, the combined steel rod component can simultaneously provide seismic resistance with high bearing capacity for compression and tension.

[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A high-strength prestressed axial load-bearing seismic steel rod assembly, characterized by: Both ends of the hollow steel pipe are provided with end plates for fixing and packaging. The tensile connector is in the shape of a round rod and is coaxially inserted into the hollow steel pipe. Both ends are provided with external threads, which respectively penetrate the two end plates. The exposed ends are fastened to the end plates by prestressed double nuts. A pair of ear plates are provided on the end surface of each end plate facing outward. The pair of ear plates are arranged along the axial direction of the hollow steel pipe, and the spacing between them is arranged according to the inner diameter of the hollow steel pipe. They are symmetrically distributed with the central axis of the hollow steel pipe as the center. A through sleeve is fixedly supported between the pair of ear plates. The sleeve is perpendicular to the ear plates, and the two pipe ends are connected to the outside. An ear seat is adaptively arranged outside a pair of ear plates of each side short plate, and the ear seat holes on both sides of the ear seat are aligned with the two tube ends of the sleeve, and a pin shaft is passed through. Both ends of the pin shaft have external threads and are exposed outside the ear seat, and are fastened to the ear seat by double nuts respectively.

2. The high-strength prestressed axial load-bearing earthquake-resistant steel rod assembly according to claim 1 is characterized by: The main body of the tensile connector is a taut steel wire rope, with connecting rods arranged at both rope ends. The connecting rods have external threads and adaptively penetrate the mounting holes reserved on the end plates, and are fastened to the end plates by the prestressed double nuts.

3. The high-strength prestressed axial load-bearing earthquake-resistant steel rod assembly according to claim 1 is characterized by: The tensile connector is a steel rod with external threads at both ends, which fits through the mounting holes reserved on the end plate and is fastened to the end plate by the prestressed double nuts.

4. The high-strength prestressed axial load-bearing earthquake-resistant steel rod assembly according to claim 1 is characterized by: The ear seat is in a U-shaped structure, with a pair of ear seat plates with ear seat holes on both sides, a closed end being a base plate, and an open end facing the pair of ear plates, and the cover is arranged on the pair of ear plates.

5. The high-strength prestressed axial load-bearing earthquake-resistant steel rod assembly according to claim 1 is characterized by: The end plates are welded to the ends of the hollow steel pipes.

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