Precast concrete anti-seismic frame structure

Abstract

The utility model discloses a precast concrete anti-seismic frame structure, and relates to the technical field of constructional engineering. Comprising a frame body and a supporting column, a plurality of top connecting assemblies are arranged at the bottom end of the frame body, a plurality of bottom connecting assemblies are arranged at the top end of the supporting column, and the bottom connecting assemblies and the top connecting assemblies are equal in number and are in one-to-one correspondence; connection between the frame body and the supporting columns is achieved through mutual cooperation of the bottom connecting assemblies and the top connecting assemblies. According to the anti-seismic frame structure, the top connecting assembly and the bottom connecting assembly are arranged, when large vibration exists outside, the vibration possibly enables concrete at the connecting position to crack or peel off, when the frame body and the inserting shaft move downwards, vertical vibration can be buffered through spring deformation, and therefore the anti-seismic performance of the frame structure is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering, in particular to a prefabricated concrete earthquake-resistant frame structure. Background Art

[0002] At present, when the precast concrete frame is a precast beam, some steel extension sections are usually reserved at the ends. When connecting with the building components on site, the reserved steel sections of the precast concrete frame are usually tied with the reserved steel sections of the building components first, and then the formwork is supported and concrete is poured until the concrete solidifies to complete the connection of the precast concrete frame.

[0003] The Chinese utility model patent, authorization announcement number "CN 219118364 U" discloses a precast concrete seismic frame structure, which is composed of a frame body, connecting parts, connecting holes, fixing columns and fixing components. The above seismic frame structure can improve the connection strength between the precast concrete frame and on-site building components.

[0004] The above solution solves the technical problems raised in the background technology, but in practical applications, the above solution still has certain defects:

[0005] The above-mentioned precast concrete seismic frame structure can only connect and fix the frame body. When an earthquake or other strong vibration occurs, due to its assembled connection, strong collisions between structures are likely to occur, resulting in weak seismic resistance and thus greater instability. Utility Model Content

[0006] The purpose of the utility model is to provide a prefabricated concrete earthquake-resistant frame structure to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a precast concrete earthquake-resistant frame structure, comprising a frame body and a support column, wherein a plurality of top connection components are arranged at the bottom end of the frame body, and a plurality of bottom connection components are arranged at the top end of the support column, wherein the number of the bottom connection components is equal to that of the top connection components and corresponds one to one;

[0008] The connection between the frame body and the support column is achieved through the cooperation between the bottom connection component and the top connection component;

[0009] The bottom connection component comprises a socket rod, an annular outer plate is fixed on the outer side of the socket rod, and a steel bar component is arranged between the annular outer plates.

[0010] Preferably, the top connection assembly comprises an insert shaft and a spring, an insert block is arranged on the shaft body of the insert shaft, and the insert block is movably plugged with the annular outer plate;

[0011] A plurality of studs are fixed on the inner wall of the bottom end of the annular outer plate. The studs are movably plugged with the plug blocks, and the tops of the studs are screwed with fastening nuts.

[0012] Preferably, the steel bar assembly includes a plurality of transverse steel bars and a plurality of longitudinal steel bars, and the transverse steel bars are fixed between two adjacent annular outer plates distributed transversely.

[0013] Preferably, a rubber piece is fixed to the bottom end of the plug block;

[0014] The rubber part comprises a rubber ring, a protrusion is integrally formed on the top of the rubber ring, the protrusion is interference fit with the annular outer plate, and a buffer groove is provided between the protrusion and the rubber ring.

[0015] Preferably, a slope is formed on the bottom of the rubber ring.

[0016] Preferably, a supporting truncated table is fixed between the outer side of the socket rod and the supporting column.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The precast concrete seismic-resistant frame structure is provided with a top connection assembly and a bottom connection assembly. When there is a large vibration in the outside world, the vibration may cause the concrete at the connection to crack or peel off. When the frame body and the plug shaft move downward, the vertical vibration can be buffered by spring deformation, thereby realizing the seismic performance of the frame structure.

[0019] At the same time, rubber parts are also provided. When the frame body generates vertical vibration, the plug-in block drives the rubber parts to move vertically. Since the plug-in block and the annular outer plate are sealed, the vibration force can be buffered by the air in this part, and finally the vertical vibration can be buffered together with the spring. In addition, the rubber parts can also achieve damping effect and reduce the vibration force, thereby further improving the seismic performance of the frame structure.

[0020] Furthermore, a steel bar assembly is also provided. After the assembly is completed, it is necessary to support the formwork and pour concrete at the connection between the frame body and the support column. Using concrete alone will make the compressive and tensile strength of the concrete in this part low. When the steel bar assembly is added, the physical properties of the concrete in this part can be effectively improved, thereby improving the seismic performance.

[0021] In addition, a supporting truncated table is provided. After assembly, the supporting truncated table can transmit the non-axial force transmitted through the plug shaft to the foundation, thereby preventing the socket rod from bending under force, and further improving the connection stability of the frame structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a left side axial view of the utility model;

[0023] Figure 2 It is a connection diagram of the top connection component and the bottom connection component of the utility model;

[0024] Figure 3 It is a half-section view of the top connection component and the bottom connection component of the utility model after connection;

[0025] Figure 4 for Figure 3 Enlarged view of part A.

[0026] In the figure: 1. frame body; 2. support column; 3. top connection assembly; 301. plug shaft; 302. plug block; 303. stud; 304. fastening nut; 305. spring; 401. socket rod; 402. annular outer plate; 5. supporting frustum; 6. steel bar assembly; 601. transverse steel bar; 602. longitudinal steel bar; 701. rubber ring; 702. inclined surface; 703. protrusion; 704. buffer groove. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a precast concrete earthquake-resistant frame structure, including a frame body 1 and support columns 2, the frame body 1 can be a load-bearing column or a connection structure in which a load-bearing column and a load-bearing beam are combined together, and the support columns 2 are fixed on the top of the foundation.

[0029] Four top connection components 3 distributed in a square are arranged at the bottom end of the frame body 1, and four bottom connection components distributed in a square are arranged at the top end of the support column 2. The top connection components 3 correspond to the bottom connection components one by one. It can be known that the connection between the frame body 1 and the support column 2 is achieved through the mutual cooperation of the bottom connection components and the top connection components 3.

[0030] like Figure 3As shown, the bottom connection component includes a socket rod 401, an annular outer plate 402 is fixed or integrally formed on the outer side of the socket rod 401, and the top surface of the annular outer plate 402 is higher than the top surface of the socket rod 401, and a steel bar component 6 for reinforcing the poured concrete is arranged between the annular outer plates 402, wherein the top connection component 3 includes an inserted shaft 301 and a spring 305, the spring 305 is located in the rod body of the socket rod 401, and is used to support the inserted shaft 301, and an inserted block 302 is fixed or integrally formed on the shaft body of the inserted shaft 301, and the inserted block 302 is movably plugged with the annular outer plate 402;

[0031] At least two studs 303 are fixed to the inner wall of the bottom end of the annular outer plate 402 , and the studs 303 are movably plugged into the plug block 302 . When the studs 303 are plugged into the plug block 302 , a fastening nut 304 is screwed onto the top of the studs 303 .

[0032] Specifically, during installation, use a lifting tool to lift the frame body 1, and then insert the insertion shaft 301 into the annular outer plate 402. At this time, the bottom end of the plug block 302 is squeezed with the spring 305. Use a tool to rotate the fastening nut 304, and the fastening nut 304 drives the plug block 302 to move downward until the spring 305 reaches the set deformation amount.

[0033] In order to improve the support stability of the bottom connection assembly and the top connection assembly 3 to the frame body 1 and the support column 2, as shown in FIG. Figure 3 As shown, a supporting truncated table 5 is fixed between the outer side of the socket rod 401 and the supporting column 2, so that after assembly, the supporting truncated table 5 can transmit the non-axial force transmitted through the plug shaft 301 to the foundation, thereby preventing the socket rod 401 from bending under force, and further improving the connection stability of the frame structure.

[0034] like Figure 2 As shown, the steel bar assembly 6 includes a plurality of transverse steel bars 601 and a plurality of longitudinal steel bars 602. The transverse steel bars 601 are fixed between two adjacent annular outer plates 402 distributed laterally, and the longitudinal steel bars 602 are equidistantly arranged at the top or bottom of the transverse steel bars 601. The transverse steel bars 601 and the longitudinal steel bars 602 are tied and fixed by iron wire or directly welded and fixed.

[0035] It can be known that after the assembly is completed, it is necessary to support the formwork and pour concrete at the connection between the frame body 1 and the support column 2. Using concrete alone will make the compressive and tensile strength of the concrete in this part low. When the steel bar assembly 6 is added, the physical properties of this part of the concrete can be effectively improved, thereby improving the seismic performance.

[0036] In another specific embodiment of this solution, Figure 3 and Figure 4As shown, a rubber part is fixed at the bottom end of the plug block 302, wherein the rubber part includes a rubber ring 701, a protrusion 703 is integrally formed on the top of the rubber ring 701, and the protrusion 703 is interference fit with the annular outer plate 402. In addition, a buffer groove 704 is provided between the protrusion 703 and the rubber ring 701. In order to facilitate the insertion of the rubber ring 701 into the annular outer plate 402, a slope 702 is formed at the bottom of the rubber ring 701.

[0037] Specifically, when the plug block 302 and the annular outer plate 402 are assembled, the bottom of the rubber ring 701 is inserted into the inner side of the annular outer plate 402. Since the protrusion 703 is in interference fit with the annular outer plate 402, the protrusion 703 and the inner wall of the annular outer plate 402 are squeezed. Since a buffer groove 704 is provided between the protrusion 703 and the rubber ring 701, the protrusion 703 is deformed toward the buffer groove 704. When the protrusion 703 extends into the interior of the annular outer plate 402, under the action of the restoring force of the protrusion 703, the protrusion 703 is in close contact with the inner wall of the annular outer plate 402, thereby achieving sealing between the plug block 302 and the annular outer plate 402.

[0038] To supplement this solution, when there is a large vibration in the outside world, the vibration may cause the concrete at the connection to crack or peel off. At this time, the frame body 1 is stably supported by the supporting cone 5 and the socket rod 401. When the frame body 1 generates vertical vibration, the plug block 302 drives the rubber part to move vertically. Since the plug block 302 and the annular outer plate 402 are sealed, the vibration force can be buffered by the air in this part. In addition, when the plug shaft 301 moves downward, the vertical vibration can also be buffered by the deformation of the spring 305, thereby realizing the seismic performance of the frame structure.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood 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 the scope of the present invention is limited by the attached embodiments and their equivalents.

Claims

1. A prefabricated concrete earthquake-resistant frame structure, comprising a frame body (1) and support columns (2), characterized in that: The bottom end of the frame body (1) is provided with a plurality of top connection components (3), and the top end of the support column (2) is provided with a plurality of bottom connection components, and the number of the bottom connection components and the number of the top connection components (3) are equal and correspond one to one; The connection between the frame body (1) and the support column (2) is achieved by the mutual cooperation of the bottom connection component and the top connection component (3); The bottom connection assembly comprises a socket rod (401), an annular outer plate (402) is fixed to the outer side of the socket rod (401), and a steel bar assembly (6) is arranged between the annular outer plates (402).

2. The precast concrete seismic frame structure according to claim 1, characterized in that: The top connection assembly (3) comprises an insertion shaft (301) and a spring (305); an insertion block (302) is arranged on the shaft body of the insertion shaft (301); and the insertion block (302) is movably plugged into the annular outer plate (402); A plurality of studs (303) are fixed to the inner wall of the bottom end of the annular outer plate (402), the studs (303) are movably plugged into the plug block (302), and a fastening nut (304) is screwed onto the top of the studs (303).

3. The precast concrete seismic frame structure according to claim 1, characterized in that: The steel bar assembly (6) comprises a plurality of transverse steel bars (601) and a plurality of longitudinal steel bars (602), wherein the transverse steel bars (601) are fixed between two adjacent annular outer plates (402) distributed transversely.

4. The precast concrete seismic frame structure according to claim 2, characterized in that: A rubber piece is fixed to the bottom end of the insert block (302); The rubber part comprises a rubber ring (701), a protrusion (703) is integrally formed on the top of the rubber ring (701), the protrusion (703) is interference fit with the annular outer plate (402), and a buffer groove (704) is provided between the protrusion (703) and the rubber ring (701).

5. The precast concrete seismic frame structure according to claim 4, characterized in that: The bottom of the rubber ring (701) is formed with an inclined surface (702).

6. The precast concrete seismic frame structure according to claim 1, characterized in that: A supporting truncated table (5) is fixed between the outer side of the socket rod (401) and the supporting column (2).

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