Novel prefabricated assembly type concrete frame node connecting structure
By introducing a connection mechanism consisting of columns, connection nodes, connectors, and friction plates at the joints of the concrete frame, the problems of inconvenient connection and loosening are solved, enabling rapid installation and stable connection, and enhancing seismic performance.
Patent Information
- Application Number
- CN202520238140.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The connections at existing concrete frame joints are inconvenient and prone to loosening, affecting structural stability, especially after natural disasters such as earthquakes.
The connection mechanism consists of supports, connecting nodes, connectors, expansion bolts, and friction plates. It improves connection stability through the threaded connection of the expansion bolts and nuts and the friction of the friction plates, and converts seismic energy into heat energy during earthquakes.
It enables rapid connection and improves the stability of concrete components, preventing bolts from falling off. At the same time, it dissipates seismic energy through friction during earthquakes, thereby improving the seismic performance of the structure.
Smart Images

Figure CN223689061U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the node technical field of assembly type concrete frame, especially a novel prefabricated assembly type concrete frame node connecting structure. BACKGROUND
[0002] Assembly type concrete structure refers to the concrete structure assembled by prefabricated concrete components through reliable connecting mode, including assembly monolithic concrete structure, full assembly concrete structure etc., in building engineering, it is called assembly type building, in structure engineering, it is called assembly type structure, prefabricated component refers to the concrete component such as beam, board, wall, column etc.
[0003] When building, first, the building frame is built, and the staff will connect the assembly concrete column, however, the node of the current concrete frame is inconvenient to connect, usually, it is fixed through concrete pouring after bolt connection, after long time use or after natural disasters such as earthquake, the bolt of the connecting node is prone to loosening, thereby affecting the stability of the overall structure. UTILITY MODEL CONTENT
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A novel prefabricated assembly type concrete frame node connecting structure, including support column, the support column is fixedly provided with connecting node, a plurality of fixed bolts are fixedly penetrated on both sides of the connecting node, the other end of a plurality of fixed bolts is fixedly connected with the support column, and both sides of the connecting node are fixedly provided with connecting head.
[0006] Specifically, the connecting node is fixedly provided with friction plate on both sides, and the two friction plates are in contact with the corresponding connecting head respectively.
[0007] Specifically, the connecting node is fixedly provided with friction plate on both sides, and the two friction plates are in contact with the corresponding connecting head respectively.
[0008] Specifically, the support column is provided with connecting column on both sides, the connecting column is embedded with I-shaped steel on one side, and the connecting head is provided with I-shaped groove on the side away from each other, and the two I-shaped steels are matched with the corresponding I-shaped groove.
[0009] Specifically, the connecting node is fixedly provided with friction plate on both sides, and the two friction plates are in contact with the corresponding connecting head respectively.
[0010] Specific, the top of the plurality of nuts are fixedly installed with inward pads.
[0011] Specific, the inner side of the plurality of limiting grooves is provided with an annular groove, and the bottom inner wall of the plurality of limiting grooves is fixedly installed with an extrusion cone.
[0012] Specific, the expansion mechanism comprises an expansion column, a plurality of guide grooves and a plurality of limiting metal blocks, the expansion column is fixedly installed at the bottom end of the corresponding expansion bolt, the outer side of the expansion column is provided with a plurality of guide grooves, the inner side of the plurality of guide grooves is slidably installed with a limiting metal block, and the plurality of limiting metal blocks are in contact with the same extrusion cone, so that the plurality of limiting metal blocks are driven to expand by the extrusion cone.
[0013] Compared with the prior art, the beneficial effects of the utility model lie in that: through the setting of the connecting mechanism, the concrete member column can be connected, the stability of connection is improved while being quickly installed, the bolt falling off is prevented, and the friction plate arranged on the node can generate friction force between the friction surfaces when the relative small displacement between the members occurs during the earthquake, so that the earthquake energy is converted into heat energy and dissipated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A three-dimensional structure schematic view of a novel prefabricated assembly type concrete frame node connecting structure is provided for the utility model;
[0015] Figure 2 A three-dimensional structure split schematic view of a novel prefabricated assembly type concrete frame node connecting structure is provided for the utility model;
[0016] Figure 3 A three-dimensional structure section schematic view of a connecting mechanism of a novel prefabricated assembly type concrete frame node connecting structure is provided for the utility model;
[0017] Figure 4 A three-dimensional structure split schematic view of a connecting structure of a novel prefabricated assembly type concrete frame node expansion structure is provided for the utility model;
[0018] Figure 5 A three-dimensional structure section schematic view of a connecting structure of a novel prefabricated assembly type concrete frame node expansion structure is provided for the utility model.
[0019] In the drawing: 1, support column; 2, connecting node; 3, fixed bolt; 4, connecting head; 5, reinforcing rib; 6, connecting column; 7, I-beam; 8, friction plate; 9, expansion bolt; 10, limiting groove; 11, extrusion cone; 12, nut; 13, inward pad; 14, expansion column; 15, guide groove; 16, limiting metal block. DETAILED DESCRIPTION
[0020] Referring to Figures 1-5 The utility model provides a new prefabricated concrete frame node connecting structure, including support post 1, support post 1 is fixedly provided with the connecting node 2, and the both sides of connecting node 2 are fixedly penetrated with multiple fixed bolts 3, and the other end of multiple fixed bolts 3 is fixedly connected with support post 1, and the both sides of connecting node 2 are fixedly installed with the connector 4, the inner side of two connector 4 is provided with multiple limit slot 10, and the inner side of multiple limit slot 10 is slidably installed with expansion bolt 9, and the bottom of multiple expansion bolt 9 is equipped with expansion mechanism.
[0021] In the embodiment, the both sides of the connecting node 2 are fixedly installed with the friction plate 8, and the two friction plates 8 are in contact with the corresponding connecting head 4 respectively.
[0022] In the embodiment, the four around of the two connecting heads 4 are fixedly installed with the reinforcing rib 5, and the multiple reinforcing ribs 5 are fixedly connected with the side of the corresponding connecting node 2 respectively, so as to increase the connection stability between the connecting node 2 and the two connecting heads 4.
[0023] In the embodiment, the both sides of the support post 1 are provided with the connecting column 6, the side of the two connecting columns 6 is embedded with the I-steel 7, and the side of the two connecting heads 4 away from each other is provided with the I-shaped groove, and the two I-steel 7 are matched with the corresponding I-shaped groove respectively.
[0024] In the embodiment, the inner side of multiple limit slot 10 is fixedly installed with the nut 12, and the multiple expansion bolts 9 are threadedly connected with the corresponding nut 12 respectively, so as to facilitate the installation of the expansion bolt 9.
[0025] In the embodiment, the top of multiple nut 12 is fixedly installed with the sunken gasket 13.
[0026] In the embodiment, the inner side of multiple limit slot 10 is provided with the annular groove, and the bottom inner wall of multiple limit slot 10 is fixedly installed with the extrusion cone 11.
[0027] In the embodiment, the expansion mechanism includes the expansion column 14, multiple guide grooves 15 and multiple limit metal blocks 16, the expansion column 14 is fixedly installed at the bottom end of the corresponding expansion bolt 9, the outer side of expansion column 14 is provided with multiple guide grooves 15, the inner side of multiple guide grooves 15 is slidably installed with the limit metal block 16, and the multiple limit metal blocks 16 are in contact with the same extrusion cone 11, so as to drive multiple limit metal blocks 16 to expand through the extrusion cone 11.
[0028] Working principle: when connecting the concrete columns, the staff first aligns the embedded I-beam 7 in the connecting column 6 with the I-shaped groove on the connecting head 4 on the connecting node 2, and then installs it, after the two are connected, the staff first puts the expansion bolt 9 into the corresponding limiting groove 10, at this time the plurality of limiting metal blocks 16 on the expansion column 14 are in contact with the inward pad 13, the plurality of limiting metal blocks 16 are extruded by the inclined surface of the inward pad 13 and slide inward, so that the expansion bolt 9 can be in contact with the nut 12 without obstruction, then rotate the expansion bolt 9 through the electric screwdriver, the expansion bolt 9 is screwed with the nut 12, since the nut 12 is fixedly installed on the inner side of the limiting groove 10, the nut 12 will not rotate with the expansion bolt 9, the expansion bolt 9 rotates along the inner thread groove of the nut 12 and moves, when the expansion bolt 9 moves to the specified position, the expansion column 14 at the bottom thereof is in contact with the extrusion cone 11, the extrusion cone 11 extrudes the plurality of limiting metal blocks 16 in the expansion column 14, the plurality of limiting metal blocks 16 are slidably installed in the corresponding guide groove 15, when extruded by the extrusion cone 11, the plurality of limiting metal blocks 16 slide outward and contact the annular groove portion in the guide groove 15, and the limiting is completed, when the earthquake occurs, the friction plate 8 installed on the connecting node 2 can generate friction force between the contact planes between the friction plate 8 and the connecting head 4 when the relative small displacement occurs between the components during the earthquake, the earthquake energy is converted into heat energy and dissipated.
[0029] The technical progress obtained by the utility model relative to the prior art is that the concrete component column can be connected, the stability of the connection is improved during rapid installation, the bolt falling off is prevented, the friction plate 8 arranged on the connecting node 2 can generate friction force between the friction surfaces when the relative small displacement occurs between the components during the earthquake, the earthquake energy is converted into heat energy and dissipated.
Claims
1. A new type of prefabricated assembly type concrete frame joint connection structure, characterized by, Including the prop (1), the prop (1) is fixedly sleeved with the connecting node (2), the both sides of the connecting node (2) are fixedly penetrated with a plurality of fixed bolts (3), the other end of a plurality of fixed bolts (3) is fixedly connected with the prop (1), the both sides of the connecting node (2) are fixedly installed with the connector (4); The inner side of two connector (4) is provided with a plurality of limiting grooves (10), the inner side of a plurality of limiting grooves (10) is slidably installed with expansion bolt (9), the bottom end of a plurality of expansion bolt (9) is provided with expansion mechanism.
2. The novel prefabricated concrete frame joint connection structure according to claim 1, characterized in that, The both sides of the connecting node (2) are fixedly installed with friction plate (8), two friction plate (8) are respectively in contact with the corresponding connector (4).
3. The novel prefabricated concrete frame joint connection structure according to claim 2, characterized in that, The periphery of two connector (4) is fixedly installed with reinforcing rib (5), a plurality of reinforcing rib (5) is respectively fixedly connected with the side of the corresponding connecting node (2).
4. The novel prefabricated concrete frame joint connection structure according to claim 3, characterized in that, The both sides of the prop (1) are provided with connecting column (6), the side of two connecting column (6) is embedded with I-steel (7), the side of two connector (4) away from each other is provided with I-shaped groove, two I-steel (7) are respectively matched with the corresponding I-shaped groove.
5. The novel prefabricated concrete frame joint connection structure according to claim 1, characterized in that, The inner side of a plurality of limiting grooves (10) is fixedly installed with nut (12), a plurality of expansion bolt (9) is respectively screwed with the corresponding nut (12).
6. The novel prefabricated concrete frame joint connection structure according to claim 5, characterized in that, The top of a plurality of nut (12) is fixedly installed with inward pad (13).
7. The novel prefabricated concrete frame joint connection structure according to claim 6, characterized in that, The inner side of a plurality of limiting grooves (10) is provided with annular groove, the bottom inner wall of a plurality of limiting grooves (10) is fixedly installed with extrusion cone (11).
8. The novel prefabricated concrete frame joint connection structure according to claim 7, characterized in that, The expansion mechanism includes expansion column (14), a plurality of guide grooves (15) and a plurality of limiting metal blocks (16), the expansion column (14) is fixedly installed at the bottom end of the corresponding expansion bolt (9), the outer side of the expansion column (14) is provided with a plurality of guide grooves (15), the inner side of a plurality of guide grooves (15) is slidably installed with limiting metal block (16), a plurality of limiting metal blocks (16) are in contact with the same extrusion cone (11).