Anti-seismic precast beam

Abstract

The utility model relates to the technical field of prefabricated parts, in particular to an anti-seismic prefabricated beam which comprises prefabricated beams, an upper cover, side face reinforcing assemblies and a stand column, the side face reinforcing assemblies are connected to the two sides of the upper end of the stand column, the upper cover is connected to the upper ends of the side face reinforcing assemblies, and the prefabricated beams are connected to the two ends of the side face reinforcing assemblies. First clamping grooves are formed in the positions, close to the two ends, of the outer portion of the prefabricated beam, multiple sets of first connecting steel bars are arranged at the front end of the prefabricated beam, multiple sets of second connecting steel bars are arranged at the rear end of the prefabricated beam, and the side face reinforcing assembly is composed of a left side plate, a right side plate, a first connecting plate, a second connecting plate and a first pull rod. Locking grooves are formed in the upper cover, the left side plate, the right side plate, the first connecting plate and the second connecting plate, multiple sets of third connecting steel bars are arranged in the middle of the upper end of the stand column, second pull rods are arranged at the positions, close to the two sides, of the upper end of the stand column, and second clamping grooves are formed in the two sides of the upper portion of the stand column.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated parts, in particular to an earthquake-resistant prefabricated beam. Background Art

[0002] Most precast beams are fixed by splicing and re-casting on site. The stability of the joints is poor, and the re-casting is prone to breakage when vibrated.

[0003] Therefore, it is necessary to design an earthquake-resistant prefabricated beam to solve the problems in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and proposes an earthquake-resistant prefabricated beam.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An earthquake-resistant prefabricated beam comprises a prefabricated beam, an upper cover, a side reinforcement assembly and a column, wherein the upper ends of the columns are connected to the side reinforcement assemblies on both sides, the upper ends of the side reinforcement assemblies are connected to the upper cover, and both ends of the side reinforcement assemblies are connected to the prefabricated beam;

[0007] The precast beam is provided with first slots near both ends, the front end of the precast beam is provided with a plurality of first connecting steel bars, and the rear end of the precast beam is provided with a plurality of second connecting steel bars;

[0008] The side reinforcement assembly is composed of a left side plate, a right side plate, a first connecting plate, a second connecting plate and a first tie rod, and the first connecting plates are provided at both ends of the left side plate and the right side plate, and the second connecting plates are provided at the lower ends of the left side plate and the right side plate, and the first tie rod is connected to the left side plate, the right side plate, the first connecting plate and the second connecting plate;

[0009] The upper cover, the left side plate, the right side plate, the first connecting plate and the second connecting plate are all provided with locking grooves;

[0010] A plurality of groups of third connecting steel bars are arranged in the middle of the upper end of the column, a second pull rod is arranged near both sides of the upper end of the column, and second slots are opened on both sides of the upper part of the column.

[0011] As a preferred solution of the utility model, the first connecting plate and the first slot are connected by snapping and are limited and locked by a first pull rod.

[0012] As a preferred solution of the utility model, the first connecting steel bars, the second connecting steel bars and the third connecting steel bars are staggered.

[0013] As a preferred solution of the utility model, the first connecting steel bars, the second connecting steel bars and the third connecting steel bars are fastened by bundling and are formed by concrete pouring.

[0014] As a preferred solution of the utility model, the upper portion of the second pull rod passes through the upper cover and is locked by a nut.

[0015] As a preferred solution of the utility model, the second connecting plate and the second clamping slot are connected by clamping and are limited and locked by the first pull rod.

[0016] To sum up, the technical effects and advantages of the utility model are as follows: when assembling the seismic prefabricated beam, the first connecting steel bar, the second connecting steel bar and the third connecting steel bar are staggered and inserted and then locked by bundling on site, and then the side reinforcement assembly is connected at the connection between the prefabricated beam and the column. When installing, the side reinforcement assembly is clamped on both sides of the connection between the prefabricated beam and the column, the left plate, the right plate, the first connecting plate and the second connecting plate are all locked by the first pull rod, and then the upper cover is clamped on the upper ends of the left plate and the right plate and locked by the nut limit, forming an auxiliary reinforcement structure on the outside of the connection between the prefabricated beam and the column, increasing the lateral and longitudinal tension of the connection, reducing the fracture of the connection, and improving the stability. After locking, pouring is carried out from the upper end, and the upper cover can be locked after forming, thereby increasing the strength of the prefabricated beam and further improving the seismic performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model;

[0018] Figure 2 This is a structural diagram of a column of the utility model;

[0019] Figure 3 This is a structural diagram of the side reinforcement assembly of the utility model;

[0020] Figure 4 This is a structural diagram of the upper cover of the utility model;

[0021] Figure 5 This is a structural diagram of the end connection of the prefabricated beam of the utility model.

[0022] In the figure: 1. precast beam; 101. first slot; 102. first connecting steel bar; 103. second connecting steel bar; 2. upper cover; 201. locking slot; 3. side reinforcement assembly; 301. left side plate; 302. right side plate; 303. first connecting plate; 304. second connecting plate; 305. first tie rod; 4. column; 401. second slot; 402. third connecting steel bar; 403. second tie rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-Figure 5 A seismic prefabricated beam comprises a prefabricated beam 1, an upper cover 2, a side reinforcement assembly 3 and a column 4, the upper ends of the column 4 are connected with side reinforcement assemblies 3 on both sides, the upper ends of the side reinforcement assemblies 3 are connected with the upper cover 2, and both ends of the side reinforcement assemblies 3 are connected with the prefabricated beam 1; the outer part of the prefabricated beam 1 is provided with a first slot 101 near both ends, the front end of the prefabricated beam 1 is provided with a plurality of first connecting steel bars 102, and the rear end of the prefabricated beam 1 is provided with a plurality of second connecting steel bars 103; the side reinforcement assembly 3 is composed of a left side plate 301, a right side plate 302, a first connecting plate 303, a second connecting plate 304 and a first tie rod 305, and the left side plate 3 01 and the right side plate 302 are each provided with a first connecting plate 303 at both ends, and a second connecting plate 304 is each provided at the lower end of the left side plate 301 and the right side plate 302, and a first pull rod 305 is each connected to the left side plate 301, the right side plate 302, the first connecting plate 303 and the second connecting plate 304; locking grooves 201 are each provided on the upper cover 2, the left side plate 301, the right side plate 302, the first connecting plate 303 and the second connecting plate 304; a plurality of groups of third connecting steel bars 402 are provided in the middle of the upper end of the column 4, a second pull rod 403 is provided at the upper end of the column 4 near both sides, and a second slot 401 is provided on both sides of the upper part of the column 4.

[0025] Reference Figure 1-Figure 5 The first and second connecting plates 303 and 304 are connected to each other by the first connecting plate 303 and the second connecting plate 304. The second connecting plate 304 and the second connecting plate 304 are connected to each other by the first connecting plate 304 and the second connecting plate 304. The second connecting plate 304 is connected to each other by the first connecting plate 304 and the second connecting plate 304. The second connecting plate 304 is connected to each other by the first connecting plate 304 and the second connecting plate 304. The second connecting plate 304 is connected to each other by the first connecting plate 304 and the second connecting plate 304. The second connecting plate 304 is connected to each other by the first connecting plate 304 and the second connecting plate 304. The upper cover 2 is connected to the upper ends of the left and right plates 301 and 302 and is locked by nuts. The auxiliary reinforcement structure is formed outside the connection between the precast beam 1 and the column 4 to increase the lateral and longitudinal tension of the connection, reduce the fracture of the connection, and improve stability.

[0026] Reference Figure 1-Figure 5The first connecting steel bars 102, the second connecting steel bars 103 and the third connecting steel bars 402 are staggered, tied and locked and formed by concrete pouring. During assembly, the first connecting steel bars 102, the second connecting steel bars 103 and the third connecting steel bars 402 are staggered and plugged in and then tied and locked on site, and then the side reinforcement assembly 3 is connected at the connection between the precast beam 1 and the column 4, and then poured from the upper end after locking. After forming, the upper cover 2 can be locked, thereby improving the strength of the precast beam and further improving the seismic performance.

[0027] Working principle: The first connecting steel bars 102, the second connecting steel bars 103 and the third connecting steel bars 402 of the earthquake-resistant prefabricated beam are staggered, and the first connecting steel bars 102, the second connecting steel bars 103 and the third connecting steel bars 402 are locked by bundling and cast into shape. During assembly, the first connecting steel bars 102, the second connecting steel bars 103 and the third connecting steel bars 402 are staggered and plugged in and then locked by bundling on site. Then, the side reinforcement component 3 is connected at the connection between the prefabricated beam 1 and the column 4. The first connecting plate 303 and the first card slot 101 are connected by card connection and limited and locked by the first pull rod 305. The upper part of the second pull rod 403 passes through the upper cover 2 and is limited and locked by a nut. The plate 304 and the second slot 401 are connected by snapping and locked by the first pull rod 305. During installation, the side reinforcement component 3 is snapped on both sides of the connection between the precast beam 1 and the column 4. The left plate 301, the right plate 302, the first connecting plate 303 and the second connecting plate 304 are all locked by the first pull rod 305. Then the upper cover 2 is snapped on the upper ends of the left plate 301 and the right plate 302 and locked by nuts. An auxiliary reinforcement structure is formed on the outside of the connection between the precast beam 1 and the column 4 to increase the lateral and longitudinal tension at the connection, reduce the breakage of the connection, and improve the stability. After locking, pouring is carried out from the upper end. After forming, the upper cover 2 can be locked, thereby increasing the strength of the precast beam and further improving the seismic performance.

[0028] 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 seismic resistant prefabricated beam, comprising a prefabricated beam (1), an upper cover (2), a side reinforcement assembly (3) and a column (4), characterized in that: The upper ends of the columns (4) are connected to side reinforcement components (3) on both sides, the upper ends of the side reinforcement components (3) are connected to an upper cover (2), and both ends of the side reinforcement components (3) are connected to prefabricated beams (1); The prefabricated beam (1) is provided with first slots (101) on the outside near both ends, the front end of the prefabricated beam (1) is provided with a plurality of first connecting steel bars (102), and the rear end of the prefabricated beam (1) is provided with a plurality of second connecting steel bars (103); The side reinforcement assembly (3) is composed of a left side plate (301), a right side plate (302), a first connecting plate (303), a second connecting plate (304) and a first pull rod (305), and the first connecting plates (303) are provided at both ends of the left side plate (301) and the right side plate (302), and the second connecting plates (304) are provided at the lower ends of the left side plate (301) and the right side plate (302), and the first pull rod (305) is connected to the left side plate (301), the right side plate (302), the first connecting plate (303) and the second connecting plate (304); The upper cover (2), the left side plate (301), the right side plate (302), the first connecting plate (303) and the second connecting plate (304) are all provided with locking grooves (201); A plurality of third connecting steel bars (402) are provided in the middle of the upper end of the column (4), a second pull rod (403) is provided near both sides of the upper end of the column (4), and second slots (401) are provided on both sides of the upper part of the column (4).

2. The seismic resistant prefabricated beam according to claim 1, characterized in that: The first connecting plate (303) and the first clamping slot (101) are connected via clamping and are locked in position via a first pull rod (305).

3. The seismic resistant prefabricated beam according to claim 1, characterized in that: The first connecting steel bars (102), the second connecting steel bars (103) and the third connecting steel bars (402) are arranged in a staggered manner.

4. The seismic resistant prefabricated beam according to claim 1, characterized in that: The first connecting steel bars (102), the second connecting steel bars (103) and the third connecting steel bars (402) are fastened by bundling and are formed by concrete pouring.

5. The seismic resistant prefabricated beam according to claim 1, characterized in that: The upper portion of the second pull rod (403) passes through the upper cover (2) and is locked by a nut.

6. The seismic resistant prefabricated beam according to claim 1, characterized in that: The second connecting plate (304) and the second clamping slot (401) are connected by clamping and are locked in position by the first pull rod (305).

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