Fabricated reinforced concrete column and steel beam connecting joint

By pre-embedding screws in the inner cavity of the column and using components such as plugs, slots and high-strength bolts to achieve a detachable assembly connection between the reinforced concrete column and the steel beam, the maintenance difficulty caused by the non-detachable welding connection is solved, and the effect of facilitating maintenance is achieved.

CN223329984UActive Publication Date: 2025-09-12XINQIN CONSTR GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422901409.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-12
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The welded connections between the existing reinforced concrete columns and steel beams are non-detachable, making maintenance difficult and potentially damaging surrounding structures.

Method used

A detachable assembled connection structure is adopted. By pre-embedding screws in the inner cavity of the column, and using components such as plug-ins, slots, limit strips and high-strength bolts, a detachable connection between the steel beam and the column is achieved, including plug-in, fixation and limit fixation.

Benefits of technology

The detachable connection between reinforced concrete columns and steel beams is achieved, which simplifies maintenance work and reduces damage to the structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223329984U_ABST
    Figure CN223329984U_ABST
Patent Text Reader

Abstract

The utility model discloses an assembly type reinforced concrete column and steel beam connecting node which comprises a stand column, a screw rod is arranged in an inner cavity of the stand column, an inserting groove is formed in the outer side of the stand column, a connecting vertical plate is arranged on one side of the stand column, and a connecting transverse plate is welded to one side of the connecting vertical plate. Then a connecting vertical plate is moved, a fixing hole is correspondingly connected with a screw in an inserted mode, the connecting vertical plate is attached to the stand column, meanwhile, the connecting vertical plate drives an inserting block on one side to be connected with an inserting groove in an inserted mode, the inserting block drives a protruding block to be extruded through a through groove to be tightly attached, then the connecting vertical plate and the stand column are fixed through a gasket and a fixing nut, and then the steel beam frame is attached to a connecting transverse plate; the top and the bottom are attached to the reinforcing plates on the two sides at the same time, high-strength bolts penetrate through the connecting holes to be fixed to the reinforcing plates, meanwhile, the steel beam frame and the connecting transverse plate are fixed through the high-strength bolts, and therefore the purposes of detachable assembly and convenient maintenance work can be achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of assembled building structures, in particular to an assembled reinforced concrete column and steel beam connection node. Background Art

[0002] With the development of building structures and the promotion and application of prefabricated structures, frame structures formed by assembling reinforced concrete columns and steel beams are gradually being applied and developed in construction projects. Therefore, prefabricated joints between reinforced concrete columns and steel beams are attracting more and more attention from researchers and engineers.

[0003] Some of the existing reinforced concrete column and steel beam connection nodes are welded connections. During use, if there is a problem with the connection node, the non-detachable feature will make maintenance work extremely difficult. For welded nodes, maintenance may require destroying the original weld and re-welding, which may cause damage to the surrounding structure. Therefore, an assembled reinforced concrete column and steel beam connection node is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled reinforced concrete column and steel beam connection node, which has the function of detachable assembly, thereby facilitating maintenance work, in order to solve the above-mentioned background technical problems.

[0005] The technical solution for solving the above technical problems is as follows: an assembled reinforced concrete column and steel beam connection node, comprising a column, an inner cavity of the column is provided with a screw, the outer side of the column is provided with a slot, one side of the column is provided with a connecting vertical plate, one side of the connecting vertical plate is welded with a connecting cross plate, the connecting vertical plate and the two sides of the connecting cross plate are fixedly connected to the reinforcing plate, the inner cavity of the connecting vertical plate is provided with a fixing hole, one side of the connecting cross plate is provided with a steel beam frame, the inner cavities on both sides of the steel beam frame are provided with connecting holes, the inner cavities of the connecting holes are fixedly connected with high-strength bolts, the connecting cross plate and the reinforcing plate are respectively fixedly connected to the steel beam frame by high-strength bolts, the upper and lower positions of one side of the connecting vertical plate are fixedly connected with plug blocks, the top and bottom of the plug blocks are provided with through slots, the inner cavity of the through slot is fixedly connected with a spring, and one side of the spring is fixedly connected with a protrusion.

[0006] Preferably, both sides of the insert block are fixedly connected with limit bars, and the connection between the limit bars and the slots is tightly fitted.

[0007] Preferably, a protective sleeve is provided on the outer side of the insert block, the protective sleeve is made of rubber, and the protective sleeve fits tightly with the screw.

[0008] Preferably, a washer and a fixing nut are respectively provided on one side of the high-strength bolt, and the high-strength bolt is threadedly connected to the fixing nut.

[0009] Preferably, the screw rod is plugged into the fixing hole, and a washer and a fixing nut are fixed on one side of the screw rod.

[0010] Preferably, the top and bottom of the inner cavity of the slot are respectively provided with grooves for use with the protrusions, and the protrusions are adapted to the grooves.

[0011] The beneficial effects of the utility model are:

[0012] 1. The utility model pre-buries screws in the inner cavity of the column, then moves the connecting vertical plate, and plugs the fixing holes into the corresponding screws to make the connecting vertical plate fit the column. At the same time, the connecting vertical plate drives the plug block on one side to be plugged into the slot. The plug block drives the protrusion to be squeezed through the through slot to make it fit tightly. Then, the connecting vertical plate and the column are fixed by gaskets and fixing nuts. Then, the steel beam frame is fitted with the connecting horizontal plate, and the top and bottom are fitted with the reinforcement plates on both sides at the same time. High-strength bolts are passed through the connecting holes to fix them to the reinforcement plates. At the same time, the steel beam frame and the connecting horizontal plate are fixed by high-strength bolts, so as to achieve the purpose of detachable assembly, thereby facilitating maintenance work.

[0013] 2. The utility model provides a limit strip to facilitate the sliding fit between the plug block and the slot;

[0014] 3. The protective cover provided in the present invention can protect the connection between the vertical plate and the column, thereby reducing wear;

[0015] 4. The utility model provides a groove to facilitate engagement with the protrusion, thereby limiting and fixing the connecting vertical plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] in:

[0017] Figure 1 A perspective view of an embodiment of the present utility model;

[0018] Figure 2 This is a three-dimensional diagram of a slot and a protective sleeve according to an embodiment of the present invention;

[0019] Figure 3 This is a partial enlarged view of point A of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of a protrusion in one embodiment of the utility model;

[0021] Figure 5 This is a partial enlarged view of point B of the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 1. Column, 2. Screw, 3. Slot, 4. Connecting vertical plate, 5. Connecting horizontal plate, 6. Reinforcement plate, 7. Fixing hole, 8. Steel beam frame, 9. Connecting hole, 10. High-strength bolt, 11. Insert, 12. Limiting strip, 13. Through slot, 14. Spring, 15. Bump, 16. Protective cover. DETAILED DESCRIPTION

[0024] Hereinafter, embodiments of the detachable assembled reinforced concrete column and steel beam connection node of the present invention will be described with reference to the accompanying drawings. Example 1

[0025] Figure 1-5The utility model shows a detachable assembled reinforced concrete column and steel beam connection node of an embodiment of the present invention, which includes a column 1, an inner cavity of the column 1 is provided with a screw 2, a slot 3 is opened on the outside of the column 1, and the top and bottom of the inner cavity of the slot 3 are respectively provided with grooves for use with the protrusion 15, and the protrusion 15 is adapted to the groove. The groove is provided to facilitate the engagement with the protrusion 15, so as to limit and fix the connecting vertical plate 4. A connecting vertical plate 4 is provided on one side of the column 1, and a connecting horizontal plate 5 is welded to one side of the connecting vertical plate 4. The connecting vertical plate 4 and the two sides of the connecting horizontal plate 5 are both A reinforcing plate 6 is fixedly connected, a fixing hole 7 is opened in the inner cavity of the connecting vertical plate 4, a steel beam frame 8 is provided on one side of the connecting horizontal plate 5, and a connecting hole 9 is opened in the inner cavity on both sides of the steel beam frame 8. The inner cavity of the connecting hole 9 is fixedly connected with a high-strength bolt 10, and the connecting horizontal plate 5 and the reinforcing plate 6 are respectively fixedly connected to the steel beam frame 8 by high-strength bolts 10. The upper and lower positions of one side of the connecting vertical plate 4 are fixedly connected with plug blocks 11, and both sides of the plug block 11 are fixedly connected to the limit strip 12. The connection between the limit strip 12 and the slot 3 fits tightly, and the limit strip 12 is provided to facilitate the matching of the plug block 11 and the slot 3 is slidably fitted, and a protective sleeve 16 is provided on the outer side of the plug 11. The protective sleeve 16 is made of rubber and fits tightly with the screw 2. The protective sleeve 16 can protect the connection between the vertical plate 4 and the column 1, thereby reducing wear. A through groove 13 is provided on the top and bottom of the plug 11. The inner cavity of the through groove 13 is fixedly connected with a spring 14. One side of the spring 14 is fixedly connected with a protrusion 15. The screw 2 is pre-embedded in the inner cavity of the column 1, and then the vertical plate 4 is moved and the fixing hole 7 is correspondingly plugged into the screw 2 to make the vertical plate 4 fit with the column 1. At the same time, the connecting vertical plate 4 drives the plug block 11 on one side to be plugged into the slot 3, and the plug block 11 drives the protrusion 15 to be squeezed through the through slot 13 to make it fit tightly, and then the connecting vertical plate 4 and the column 1 are fixed by gaskets and fixing nuts, and then the steel beam frame 8 is fitted with the connecting horizontal plate 5, and the top and bottom are fitted with the reinforcing plates 6 on both sides at the same time, and the high-strength bolts 10 are passed through the connecting holes 9 to fix it to the reinforcing plates 6. At the same time, the steel beam frame 8 and the connecting horizontal plate 5 are fixed by high-strength bolts 10, so as to achieve the purpose of detachable assembly, thereby facilitating maintenance work. Example 2

[0026] Figure 1-5The utility model shows a detachable assembled reinforced concrete column and steel beam connection node of an embodiment of the present invention, which includes a column 1, an inner cavity of the column 1 is provided with a screw 2, the screw 2 is plugged into the fixing hole 7, and one side of the screw 2 is fixed with a gasket and a fixing nut. The screw 2 is plugged into the fixing hole 7, and at the same time, the gasket and the fixing nut are used to facilitate the screw 2 to fix the column 1 and the connecting vertical plate 4. A slot 3 is provided on the outside of the column 1, a connecting vertical plate 4 is provided on one side of the connecting vertical plate 4, and a connecting horizontal plate 5 is welded to one side of the connecting vertical plate 4. The connecting vertical plate 4 and both sides of the connecting horizontal plate 5 are fixedly connected with a reinforcing plate 6, the inner cavity of the connecting vertical plate 4 is provided with a fixing hole 7, and one side of the connecting horizontal plate 5 is provided with There is a steel beam frame 8, and the inner cavity on both sides of the steel beam frame 8 is provided with connecting holes 9. The inner cavity of the connecting hole 9 is fixedly connected with a high-strength bolt 10. A gasket and a fixing nut are respectively provided on one side of the high-strength bolt 10. The high-strength bolt 10 is threadedly connected to the fixing nut. The provided gasket and fixing nut are conveniently matched with the high-strength bolt 10 to fix the connecting cross plate 5 with the reinforcing plate 6 and the steel beam frame 8. The cross plate 5 and the reinforcing plate 6 are respectively fixedly connected to the steel beam frame 8 by high-strength bolts 10. The upper and lower positions on one side of the connecting vertical plate 4 are fixedly connected with plug blocks 11. The top and bottom of the plug block 11 are provided with through grooves 13. The inner cavity of the through groove 13 is fixedly connected with a spring 14, and one side of the spring 14 is fixedly connected with a protrusion 15.

[0027] Working principle: When the utility model is used, the user pre-buries the screw 2 in the inner cavity of the column 1 in advance, and then connects the vertical plate 4 to the fixing hole 7 and the screw 2 to make the vertical plate 4 fit with the column 1. At the same time, the vertical plate 4 drives the plug 11 on one side to be plugged into the slot 3. The limiting strip 12 facilitates the sliding fit of the plug 11 and the slot 3. The plug 11 drives the protrusion 15 to be squeezed through the through groove 13. The groove facilitates the sliding engagement with the protrusion 15, thereby limiting the position of the vertical plate 4 and making it fit tightly. The sleeve 16 can protect the connection between the vertical plate 4 and the column 1 to reduce wear, and then the vertical plate 4 and the column 1 are fixed by gaskets and fixing nuts, and then the steel beam frame 8 is fitted with the connecting horizontal plate 5, and the top and bottom are fitted with the reinforcing plates 6 on both sides at the same time. The high-strength bolts 10 are passed through the connecting holes 9 and fixed with gaskets and nuts to make them fixedly connected to the reinforcing plates 6. At the same time, the steel beam frame 8 and the connecting horizontal plate 5 are fixed by high-strength bolts 10 and fixed by gaskets and nuts, so as to achieve the purpose of detachable assembly, thereby facilitating maintenance work.

Claims

1. A prefabricated reinforced concrete column and steel beam connection node, characterized in that: The invention comprises a column (1), wherein the inner cavity of the column (1) is provided with a screw (2), the outer side of the column (1) is provided with a slot (3), a connecting vertical plate (4) is provided on one side of the column (1), a connecting horizontal plate (5) is welded to one side of the connecting vertical plate (4), the connecting vertical plate (4) and both sides of the connecting horizontal plate (5) are fixedly connected with a reinforcing plate (6), the inner cavity of the connecting vertical plate (4) is provided with a fixing hole (7), a steel beam frame (8) is provided on one side of the connecting horizontal plate (5), and both sides of the steel beam frame (8) are fixedly connected with the reinforcing plate (6). The inner cavities of the connecting holes (9) are all provided with connection holes (9), the inner cavities of the connecting holes (9) are fixedly connected with high-strength bolts (10), the connecting transverse plates (5) and the reinforcing plates (6) are respectively fixedly connected with the steel beam frame (8) through high-strength bolts (10), the upper and lower positions of one side of the connecting vertical plates (4) are fixedly connected with plug blocks (11), the top and bottom of the plug blocks (11) are both provided with through grooves (13), the inner cavities of the through grooves (13) are fixedly connected with springs (14), and one side of the spring (14) is fixedly connected with a protrusion (15).

2. The prefabricated reinforced concrete column and steel beam connection node according to claim 1, characterized in that: Both sides of the insert block (11) are fixedly connected to limit bars (12), and the connection between the limit bars (12) and the slot (3) is tightly fitted.

3. The prefabricated reinforced concrete column and steel beam connection node according to claim 1, characterized in that: The outer side of the insert block (11) is provided with a protective sleeve (16), the protective sleeve (16) is made of rubber, and the protective sleeve (16) is tightly fitted to the screw rod (2).

4. The prefabricated reinforced concrete column and steel beam connection node according to claim 1, characterized in that: A washer and a fixing nut are respectively provided on one side of the high-strength bolt (10), and the high-strength bolt (10) is threadedly connected to the fixing nut.

5. The prefabricated reinforced concrete column and steel beam connection node according to claim 1, characterized in that: The screw rod (2) is plugged into the fixing hole (7), and a washer and a fixing nut are fixed on one side of the screw rod (2).

6. The prefabricated reinforced concrete column and steel beam connection node according to claim 1, characterized in that: The top and bottom of the inner cavity of the slot (3) are respectively provided with grooves for use with the protrusion (15), and the protrusion (15) is adapted to the grooves.