Connecting joint of steel corbel and bottom cylinder of prefabricated reinforced concrete beam

Abstract

The utility model relates to the technical field of connecting joints, and discloses a steel corbel and prefabricated reinforced concrete beam bottom cylinder connecting joint which comprises a concrete beam steel pipe and a steel corbel bottom plate, an annular plate is fixed to the outer surface of the concrete beam steel pipe, and a plurality of joint connecting plates are arranged on the outer surface of the annular plate at equal intervals. The bottom of each steel corbel bottom plate is provided with a steel corbel bottom plate, and welding fixing grooves are symmetrically formed in each steel corbel bottom plate and the joint connecting plate. Beam bottom slotting welding is changed into welding after the steel key plates are added, the steel key plates are mechanically engaged to transfer force, the force transfer is reliable, the ductility is better, and the anti-seismic property is better; the steel corbel is used for connecting a vertical component with a steel corbel, such as a steel structure column and a steel pipe column, with the bottom of a prefabricated reinforced concrete beam, the structure safety is guaranteed under a large earthquake, the problem that the firmness is poor after an existing steel corbel and the prefabricated reinforced concrete beam are welded is solved, and the stability of a steel structure building is improved.

Description

TECHNICAL FIELD

[0001] The utility model application relates to the technical field of connecting node, specifically a steel hanger and prefabricated reinforced concrete beam bottom cylindrical connecting node. BACKGROUND

[0002] Steel hanger is a kind of connecting form commonly used in steel structure building, mainly used for the connection between steel column and beam, usually appears in industrial plant, shape is an inverted trapezoid, upper surface is plane, lower surface is inclined plane, can increase the stability of building, adjust the height and position of structure, strengthen the rigidity of structure, reinforced concrete beam is the beam made of reinforced concrete material, is the most basic load-bearing component in housing construction, bridge construction and other engineering structures, and the application range is extremely wide.

[0003] When the existing steel hanger is connected with the bottom of prefabricated reinforced concrete beam, it is welded by the end face of steel hanger and the end face of prefabricated beam, when subjected to larger external force or vibration force, the shaking force is directly applied on the weld, when the weld quality does not reach the standard, the weld is easily damaged, resulting in poor connection firmness of steel hanger and prefabricated reinforced concrete beam. SUMMARY

[0004] In order to solve the problem of poor firmness of the existing steel hanger and prefabricated reinforced concrete beam after welding, the utility model provides a steel hanger and prefabricated reinforced concrete beam bottom cylindrical connecting node to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A steel hanger and prefabricated reinforced concrete beam bottom cylindrical connecting node, including concrete beam steel pipe and steel hanger bottom plate, the outer surface of concrete beam steel pipe is fixed with ring plate, a plurality of node connecting plates are arranged at equal intervals on the outer surface of ring plate, each steel hanger bottom plate is arranged at the bottom, each steel hanger bottom plate and node connecting plate are symmetrically provided with welding fixed groove inside, steel key plate is welded in the two welding fixed grooves, and the steel key plate penetrates the node connecting plate and the steel hanger bottom plate.

[0007] Further, the outer surface of concrete beam steel pipe at the bottom of node connecting plate is poured with concrete beam cylinder, a plurality of embedded dowels are symmetrically embedded in the concrete beam cylinder, and each embedded dowel is arranged as T type.

[0008] Further, the bottom surface of steel hanger bottom plate outside each welding fixed groove is fixed with stiffener plate, and the inner side of each steel hanger bottom plate and stiffener plate is arranged as arc shape matched with concrete beam steel pipe.

[0009] Further, the ring plate and the stiffener plate are fixedly connected with the concrete beam steel pipe through bevel welding, and the steel key plate is fixedly connected with the welding fixed groove through fillet welding.

[0010] Further, one end of each of two steel key plates extending to the outside of the node connecting plate and the steel corbel bottom plate is fixedly welded with a connecting steel plate.

[0011] Further, the length of the connecting steel plate is equal to the distance between the outside of the two welding fixed grooves, and the width of the connecting steel plate is less than the width of the steel corbel bottom plate.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. In the utility model, the beam bottom slot welding is changed into steel key plate welding, the steel key plate has mechanical biting force, reliable force transmission, better ductility, better anti-seismic performance, is used for connecting the vertical component with the prefabricated reinforced concrete beam bottom of the steel structure column, steel pipe column and the like steel corbel, is beneficial to guaranteeing the structure safety under a big earthquake, solves the problem of poor firmness of the existing steel corbel and prefabricated reinforced concrete beam after welding, and the stability of the steel structure building is improved.

[0014] 2. In the utility model, the two steel key plates are fixedly connected through the connecting steel plate, the upper and lower ends of the steel key plate are limited after the two steel key plates are welded inside the node connecting plate and the steel corbel bottom plate, so that the steel corbel and the prefabricated reinforced concrete beam bottom are more firmly connected. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the radar support according to an embodiment of the present application;

[0017] Figure 2 is Figure 1 the opened structure of the embodiment is shown in the three-dimensional schematic diagram;

[0018] Figure 3 is Figure 1 the three-dimensional schematic diagram of the adjusting assembly and the rotating assembly structure in the embodiment is shown;

[0019] Figure 4 is Figure 1 the three-dimensional structure of the protection assembly structure in the embodiment is shown.

[0020] The meanings of the reference signs in the drawings are as follows: 1, concrete beam steel pipe; 2, concrete beam cylinder; 3, ring plate; 4, node connecting plate; 5, steel bracket bottom plate; 6, stiffening plate; 7, fixed groove; 8, steel key plate; 9, connecting steel plate; 10, embedded dowel. DETAILED DESCRIPTION

[0021] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0022] Reference Figure 1 , Figure 2 and Figure 3 , a steel bracket and a prefabricated reinforced concrete beam bottom cylinder connecting node, comprising a concrete beam steel pipe 1 and a steel bracket bottom plate 5, the outer surface of the concrete beam steel pipe 1 is fixed with a ring plate 3, the outer surface of the ring plate 3 is equidistantly provided with a plurality of node connecting plates 4, the outer surface of the concrete beam steel pipe 1 at the bottom of the node connecting plate 4 is poured with a concrete beam cylinder 2, a plurality of embedded dowels 10 are symmetrically embedded in the concrete beam cylinder 2, each embedded dowel 10 is provided as a T-shaped, each steel bracket bottom plate 5 is provided at the bottom of the steel bracket bottom plate 5, and each steel bracket bottom plate 5 and node connecting plate 4 is symmetrically provided with a welding fixed groove 7, and the two welding fixed grooves 7 are welded with a steel key plate 8, and the steel key plate 8 penetrates the node connecting plate 4 and the steel bracket bottom plate 5.

[0023] Specifically, when the steel bracket bottom plate 5 and the node connecting plate 4 need to be fixed, the ring plate 3 is sleeved on the concrete beam steel pipe 1, and the ring plate 3 is welded on the concrete beam steel pipe 1 by the welding method of beveling and fixed, after fixing, the welding fixed grooves 7 of the steel bracket bottom plate 5 and the node connecting plate 4 are aligned one by one, after alignment, the steel key plate 8 is inserted into the welding fixed groove 7, after insertion, the steel key plate 8 and the welding fixed groove 7 are welded and fixed by the way of fillet welding, and then the concrete beam cylinder 2 is poured on the outer surface of the concrete beam steel pipe 1 on the top surface of the ring plate 3, when pouring, the embedded dowels 10 are equidistantly embedded in the concrete beam cylinder 2, and each embedded dowel 10 is placed horizontally, when subjected to external force, the shaking force is transmitted to the steel key plate 8.

[0024] As an optimization scheme, the bottom surface of each steel bracket base plate 5 outside the welded fixed groove 7 is fixed with a stiffener plate 6, the inside of each steel bracket base plate 5 and stiffener plate 6 is arranged to be arc-shaped matched with the concrete beam steel pipe 1, the ring plate 3 and the stiffener plate 6 are fixedly connected with the concrete beam steel pipe 1 through the groove welding, the steel key plate 8 and the welded fixed groove 7 are fixedly connected through the corner welding, each group of two steel key plates 8 extending to one end outside the node connecting plate 4 and the steel bracket base plate 5 is fixedly welded with a connecting steel plate 9, the length of the connecting steel plate 9 is equal to the distance between the two welded fixed grooves 7 outside, and the width of the connecting steel plate 9 is less than the width of the steel bracket base plate 5.

[0025] Specifically, after the steel bracket base plate 5 and the node connecting plate 4 are welded and fixed through the steel key plate 8, the stiffener plate 6 is fixed with the concrete beam steel pipe 1 through the groove welding, and then the connecting steel plate 9 is welded and fixed at the end of the two steel key plates 8, and the steel key plate 8 is reinforced.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims and not by the above description, and it is intended to include all changes falling within the meaning and range of equivalents of the essential elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0027] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A steel corbel and precast reinforced concrete beam bottom cylindrical connection joint, characterized in that: The utility model provides a concrete beam steel pipe (1) and steel corbel bottom plate (5), the concrete beam steel pipe (1) outer surface is fixed with ring plate (3), the ring plate (3) outer surface is provided with a plurality of node connecting plates (4) equidistantly, every steel corbel bottom plate (5) bottom is provided with steel corbel bottom plate (5), every steel corbel bottom plate (5) and node connecting plate (4) inside are symmetrically provided with welded fixed groove (7), two welded fixed groove (7) inside are welded with steel key plate (8), steel key plate (8) all penetrate node connecting plate (4) and steel corbel bottom plate (5).

2. The steel corbel-to-precast reinforced concrete beam bottom column connection joint according to claim 1, characterized in that: The concrete beam steel pipe (1) outer surface of the node connecting plate (4) bottom is poured with concrete beam cylinder (2), the concrete beam cylinder (2) inside is equal to symmetrically preburies a plurality of preburies peg (10), every preburies peg (10) is provided as T type.

3. The steel corbel and precast reinforced concrete beam bottom column connection joint according to claim 1, characterized in that: Every steel corbel bottom plate (5) bottom surface of the welded fixed groove (7) outside is fixed with stiffened plate (6), and every steel corbel bottom plate (5) and stiffened plate (6) inside are provided as the arc of cooperation with concrete beam steel pipe (1).

4. The steel corbel and precast reinforced concrete beam bottom column connection joint according to claim 3, characterized in that: The ring plate (3) and stiffened plate (6) and concrete beam steel pipe (1) between are all through bevel welding fixed connection, and the steel key plate (8) and welded fixed groove (7) between are all through corner welding fixed connection.

5. The steel corbel to precast reinforced concrete beam bottom column connection joint according to claim 1, characterized in that: Every two steel key plate (8) of the group extends to the end of node connecting plate (4) and steel corbel bottom plate (5) outside and is all fixedly welded with connecting steel plate (9).

6. The steel corbel to precast reinforced concrete beam bottom column connection joint according to claim 5, characterized in that: The length of connecting steel plate (9) is all equal to the distance between two welded fixed grooves (7) outside, and the width of connecting steel plate (9) is all less than the width of steel corbel bottom plate (5).

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