Precast beam column steel structure joint stable in connection

Abstract

The utility model discloses a prefabricated beam column steel structure joint stable in connection, which comprises a mounting frame, and a fixing frame is fixedly welded at the top end of the mounting frame. When the stably-connected prefabricated beam column steel structure joint is installed, gaskets can be attached to the top end of the interior of a first upper connecting frame and the bottom end of the interior of the first lower connecting frame on the inner side of the first lower connecting frame and the inner side of the first upper connecting frame correspondingly, and then flat head screws penetrate through reserved holes and are correspondingly screwed into screw holes to be fixed; the liners can increase the contact friction force between the interiors of the first lower connecting frame and the first upper connecting frame and the outer surface of the installation steel frame, after the first lower connecting frame and the first upper connecting frame are fixedly installed outside the steel frame through the connecting bolts and the connecting nuts, the joint can be stably fixed to the steel frame, displacement is reduced, and the installation efficiency is improved. And the node is more stable during connection, installation and use, and the problem that the node is inconvenient to stably install, fix and use is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure buildings, in particular to a prefabricated beam-column steel structure node with stable connection. Background Art

[0002] Prefabricated beams and columns are prefabricated in factories and then transported to the construction site for installation and fixation in the position required by the design. In the construction process of buildings using prefabricated beams and columns, a large amount of steel structures are generally used. When fixing the steel structure steel frame components, the connection nodes of the steel structure are required.

[0003] However, when prefabricated beam-column steel structure nodes are installed and used, after the nodes are used to connect and fix the steel structure frame, the connection between the nodes and the steel frame is relatively simple. Under long-term use and in a vibration environment, the nodes are prone to displacement on the steel frame, and the stability of use is insufficient, making it inconvenient to stably install and fix the nodes for use.

[0004] Now, a new type of prefabricated beam-column steel structure node with stable connection is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a prefabricated beam-column steel structure node with stable connection, so as to solve the problem in the above background technology that it is inconvenient to stably install and fix the node.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a prefabricated beam-column steel structure node with stable connection, comprising a mounting frame, a fixing frame is welded and fixed on the top of the mounting frame, and a first lower connecting frame is arranged on the top of the fixing frame, a first upper connecting frame is arranged on the top of the first lower connecting frame, first insertion holes are respectively penetrated on both sides of the top at both ends of the first lower connecting frame and on both sides of the bottom at both ends of the first upper connecting frame, connecting bolts are penetrated inside the first insertion holes, and connecting nuts are threadedly connected on the connecting bolts, gaskets are respectively arranged on the bottom end inside the first lower connecting frame and the top end inside the first upper connecting frame, and reserved holes are respectively opened on the top and both ends inside the gaskets, flat head screws are arranged inside the reserved holes, and screw holes are respectively preset on the top and both ends inside the first upper connecting frame and the bottom and both ends inside the first lower connecting frame.

[0007] Preferably, the flat head screws pass through the interior of the gasket, and eight groups of the flat head screws and screw holes are symmetrically arranged about the vertical center lines of the first lower connecting frame and the first upper connecting frame.

[0008] Preferably, the gasket is made of rubber.

[0009] Preferably, a second upper connecting frame is arranged on the right side of the first upper connecting frame, a second lower connecting frame is arranged on the right side of the first lower connecting frame, second insertion holes are respectively provided on both sides of the two ends of the top of the second upper connecting frame and on both sides of the two ends of the bottom of the second lower connecting frame, the connecting bolts pass through the inside of the second insertion holes, plugs are respectively welded and fixed at the bottom ends of the first lower connecting frame and the second lower connecting frame, through holes are respectively provided on both sides of the front end of the plugs, disassembly bolts are respectively provided on both sides of the front end of the fixing frame, and the rear ends of the disassembly bolts pass through the interior of the fixing frame, and disassembly nuts are respectively provided on both sides of the rear end of the fixing frame.

[0010] Preferably, the through hole passes through the interior of the plug, and the rear end of the disassembly bolt passes through the interior of the through hole.

[0011] Preferably, an outer cover is provided at the top of the outside of the first upper connecting frame, and inner holes are respectively opened inside both sides of the top of the outer cover, locking bolts are respectively provided on both sides of the top of the outer cover, and threaded holes are respectively preset on both sides of the top of the first upper connecting frame.

[0012] Preferably, the locking bolt passes through the interior of the inner hole.

[0013] Preferably, a mounting bolt is provided on the left side of the mounting frame, and the right side of the mounting bolt transversely penetrates the interior of the mounting frame, and a mounting nut is provided on the right side of the mounting frame.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the prefabricated beam-column steel structure node with stable connection not only facilitates stable installation and fixed use of the node, facilitates adjustment and installation of the square frame and the circular frame, but also facilitates protection of the exterior of the steel structure node;

[0015] (1) By providing a first lower connecting frame, a first upper connecting frame, a gasket, a screw hole, a reserved hole and a flat-head screw, when the steel structure node is installed and used, the gaskets provided can be respectively attached to the top of the inside of the first upper connecting frame and the bottom of the inside of the first lower connecting frame on the inner side of the first lower connecting frame and the first upper connecting frame, and then the flat-head screws are passed through the inside of the reserved holes and screwed into the corresponding screw holes for fixing. The provided gaskets can increase the contact friction between the inside of the first lower connecting frame and the first upper connecting frame and the outer surface of the installation steel frame. After the first lower connecting frame and the first upper connecting frame are fixedly installed on the outside of the steel frame using connecting bolts and connecting nuts, the node can be stabilized on the steel frame to reduce displacement. At the same time, the gasket made of rubber material can perform shock absorption and buffering between the node and the steel frame, making the node connection more stable during installation and use;

[0016] (2) By providing a first lower connecting frame, a first upper connecting frame, a mounting frame, a fixing frame, a plug, a through hole, a second upper connecting frame, a connecting bolt, a connecting nut, a second plug hole, a second lower connecting frame and a first plug hole, when the node is used for installation and connection of a steel structure, the disassembly nuts provided can be respectively unscrewed from the disassembly bolts on both sides of the rear end of the mounting bolts, and then the disassembly bolts can be pulled out from the inside of the plug, and the first lower connecting frame and the first upper connecting frame can be disassembled and separated from the top of the fixing frame, and then the plug at the bottom end of the second lower connecting frame can be correspondingly inserted into the fixing frame, and then the disassembly bolts and the disassembly nuts can be fixed, and then the second upper connecting frame and the second lower connecting frame can be installed and fixed on the top of the mounting frame, and the second upper connecting frame and the second lower connecting frame provided can be correspondingly installed on some circular steel structures, and the first lower connecting frame and the first upper connecting frame provided can be used to install on some square steel structures, which is convenient for adjusting and installing the node and increases the installation and use occasions;

[0017] (3) By providing a first lower connecting frame, a first upper connecting frame, an outer cover, a locking bolt, an inner hole and a threaded hole, after the steel structure connection node is installed, the outer cover can be set at the top of the outside of the first upper connecting frame to cover the bottom of the first upper connecting frame downward, and then two sets of locking bolts are used to penetrate the inside of the inner hole and screw into the threaded hole, and then the outer cover can be fixedly installed on the outside of the node. The outer cover can be used to provide an external shield to prevent collision and protect the outside of the steel structure node, thereby reducing damage to the node during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a first upper connecting frame of the utility model in a side view;

[0020] Figure 3 For this utility model Figure 1 A is an enlarged structural diagram;

[0021] Figure 4 It is a schematic diagram of a partial cross-sectional structure of the outer cover of the utility model in a side view.

[0022] In the figure: 1. mounting frame; 2. mounting bolts; 3. fixing frame; 4. first lower connecting frame; 5. first upper connecting frame; 6. outer cover; 7. plug; 8. through hole; 9. mounting nut; 10. connecting bolt; 11. connecting nut; 12. disassembly bolt; 13. disassembly nut; 14. first plug hole; 15. gasket; 16. second upper connecting frame; 17. second plug hole; 18. second lower connecting frame; 19. screw hole; 20. reserved hole; 21. flat head screw; 22. locking bolt; 23. inner hole; 24. threaded hole. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1: Please refer to Figure 1-4 , a prefabricated beam-column steel structure node with stable connection, comprising a mounting frame 1, a fixing frame 3 is welded and fixed on the top of the mounting frame 1, and a first lower connecting frame 4 is arranged on the top of the fixing frame 3, a first upper connecting frame 5 is arranged on the top of the first lower connecting frame 4, first insertion holes 14 are respectively penetrated on both sides of the top of both ends of the first lower connecting frame 4 and on both sides of the bottom of both ends of the first upper connecting frame 5, a connecting bolt 10 is penetrated inside the first insertion hole 14, and a connecting nut 11 is threadedly connected on the connecting bolt 10, a gasket 15 is respectively arranged at the bottom end of the first lower connecting frame 4 and the top end of the first upper connecting frame 5, and a reserved hole 20 is respectively opened at the top and both ends of the gasket 15, a flat head screw 21 is arranged inside the reserved hole 20, screw holes 19 are respectively preset at the top and both ends of the first upper connecting frame 5 and the bottom and both ends of the first lower connecting frame 4, a mounting bolt 2 is arranged on the left side of the mounting frame 1, and the right side of the mounting bolt 2 passes through the interior of the mounting frame 1 horizontally, and a mounting nut 9 is arranged on the right side of the mounting frame 1;

[0025] The flat head screw 21 passes through the interior of the gasket 15. Eight groups of the flat head screw 21 and the screw hole 19 are symmetrically arranged about the vertical center line of the first lower connecting frame 4 and the first upper connecting frame 5. The gasket 15 is made of rubber.

[0026] Specifically, Figure 1-Figure 3 As shown, the set gaskets 15 can be respectively attached to the top of the inside of the first upper connecting frame 5 and the bottom of the inside of the first lower connecting frame 4 and the first upper connecting frame 5, and then the flat head screws 21 can be used to penetrate the inside of the reserved holes 20 and screwed into the screw holes 19 to fix them. The set gaskets 15 can increase the contact friction between the inside of the first lower connecting frame 4 and the first upper connecting frame 5 and the outer surface of the installation steel frame. After the first lower connecting frame 4 and the first upper connecting frame 5 are fixedly installed on the outside of the steel frame using the connecting bolts 10 and the connecting nuts 11, the nodes can be stabilized on the steel frame, the displacement can be reduced, and the node connection can be more stable during installation and use.

[0027] Embodiment 2: A second upper connecting frame 16 is provided on the right side of the first upper connecting frame 5, a second lower connecting frame 18 is provided on the right side of the first lower connecting frame 4, second plug holes 17 are respectively provided on both sides of the top ends of the second upper connecting frame 16 and on both sides of the bottom ends of the second lower connecting frame 18, and a connecting bolt 10 passes through the interior of the second plug hole 17, plugs 7 are respectively welded and fixed to the bottom ends of the first lower connecting frame 4 and the second lower connecting frame 18, and through holes 8 are respectively provided on both sides of the front end of the plug 7, disassembly bolts 12 are respectively provided on both sides of the front end of the fixing frame 3, and the rear end of the disassembly bolt 12 passes through the interior of the fixing frame 3, and disassembly nuts 13 are respectively provided on both sides of the rear end of the fixing frame 3, the through hole 8 passes through the interior of the plug 7, and the rear end of the disassembly bolt 12 passes through the interior of the through hole 8;

[0028] Specifically, Figure 1 and Figure 2 As shown, the disassembly nuts 13 provided can be respectively unscrewed from the disassembly bolts 12 on both sides of the rear end of the mounting bolts 2, and then the disassembly bolts 12 can be pulled out from the inside of the plug 7, and the first lower connecting frame 4 and the first upper connecting frame 5 can be disassembled and separated from the top of the fixing frame 3, and then the plug 7 at the bottom end of the second lower connecting frame 18 can be correspondingly inserted into the fixing frame 3, and then fixed with the disassembly bolts 12 and the disassembly nuts 13, and then the second upper connecting frame 16 and the second lower connecting frame 18 can be installed and fixed on the top of the mounting frame 1, and the second upper connecting frame 16 and the second lower connecting frame 18 provided can be correspondingly installed on some circular steel structures, and the first lower connecting frame 4 and the first upper connecting frame 5 provided can be used to install on some square steel structures.

[0029] Embodiment 3: An outer cover 6 is provided at the top of the outer surface of the first upper connecting frame 5, and inner holes 23 are respectively opened inside the two sides of the top of the outer cover 6, and locking bolts 22 are respectively provided on both sides of the top of the outer cover 6. Threaded holes 24 are respectively preset on both sides of the top of the first upper connecting frame 5, and the locking bolts 22 pass through the inner holes 23;

[0030] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, the outer cover 6 can be set at the top of the outside of the first upper connecting frame 5 to cover the bottom end of the first upper connecting frame 5 downwardly, and then two sets of locking bolts 22 are used to penetrate the inside of the inner hole 23 and screw into the threaded hole 24. Then, the outer cover 6 can be fixedly installed on the outside of the node. The outer cover 6 can be set to provide an external shield for anti-collision safety protection of the outside of the steel structure node.

[0031] Working principle: When the utility model is installed and used, the set gasket 15 can be respectively attached to the top of the inside of the first upper connecting frame 5 and the bottom of the inside of the first lower connecting frame 4 on the inner side of the first lower connecting frame 4 and the first upper connecting frame 5, and then the flat head screw 21 is used to penetrate the inside of the reserved hole 20 and screwed into the screw hole 19 for fixing. The set gasket 15 can increase the contact friction between the inside of the first lower connecting frame 4 and the first upper connecting frame 5 and the outer surface of the installation steel frame. After the first lower connecting frame 4 and the first upper connecting frame 5 are fixedly installed on the outside of the steel frame using the connecting bolts 10 and the connecting nuts 11, the node can be stabilized on the steel frame. At the same time, the rubber gasket 15 can perform shock absorption and buffering between the node and the steel frame, so that the node connection is more stable during installation and use. At the same time, when the node is used to install and connect the steel structure, the set disassembly nuts 13 can be respectively screwed out from the disassembly bolts 12 on both sides of the rear end of the mounting bolts 2, and then the disassembly bolts 12 can be removed from the inside of the plug 7. After being pulled out, the first lower connecting frame 4 and the first upper connecting frame 5 can be disassembled and separated from the top of the fixing frame 3, and then the plug 7 at the bottom end of the second lower connecting frame 18 can be correspondingly inserted into the fixing frame 3, and then fixed with the disassembly bolts 12 and the disassembly nuts 13, the second upper connecting frame 16 and the second lower connecting frame 18 can be installed and fixed on the top of the mounting frame 1, and the second upper connecting frame 16 and the second lower connecting frame 18 can be correspondingly installed on some circular steel structures, and the first lower connecting frame 4 and the first upper connecting frame 5 can be used to install on some square steel structures, increasing the installation and use occasions, and after the steel structure connection node is installed, the outer cover 6 can be set at the top of the outside of the first upper connecting frame 5 to cover the bottom end of the first upper connecting frame 5 downwardly, and then use two sets of locking bolts 22 to penetrate the inside of the inner hole 23, and screw into the threaded hole 24, the outer cover 6 can be fixedly installed on the outside of the node, and the outer cover 6 can be set to provide an external shield for the outside of the steel structure node to prevent collision and provide safety protection.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A prefabricated beam-column steel structure node with stable connection, comprising a mounting frame (1), characterized in that: A fixing frame (3) is welded and fixed to the top of the mounting frame (1), and a first lower connecting frame (4) is arranged at the top of the fixing frame (3), and a first upper connecting frame (5) is arranged at the top of the first lower connecting frame (4). First insertion holes (14) are respectively provided on both sides of the top of both ends of the first lower connecting frame (4) and on both sides of the bottom of both ends of the first upper connecting frame (5). A connecting bolt (10) is provided inside the first insertion hole (14), and a connecting nut (11) is threadedly connected to the connecting bolt (10). A gasket (15) is respectively provided at the bottom of the first lower connecting frame (4) and the top of the first upper connecting frame (5), and a reserved hole (20) is respectively opened at the top and both ends of the gasket (15). A flat head screw (21) is arranged inside the reserved hole (20), and screw holes (19) are respectively preset at the top and both ends of the first upper connecting frame (5) and the bottom and both ends of the first lower connecting frame (4).

2. A prefabricated beam-column steel structure node with stable connection according to claim 1, characterized in that: The flat head screws (21) penetrate the interior of the gasket (15), and eight groups of the flat head screws (21) and the screw holes (19) are symmetrically arranged about the vertical center lines of the first lower connecting frame (4) and the first upper connecting frame (5).

3. A prefabricated beam-column steel structure node with stable connection according to claim 1, characterized in that: The liner (15) is made of rubber.

4. A prefabricated beam-column steel structure node with stable connection according to claim 1, characterized in that: A second upper connecting frame (16) is arranged on the right side of the first upper connecting frame (5), and a second lower connecting frame (18) is arranged on the right side of the first lower connecting frame (4). Second insertion holes (17) are respectively provided on both sides of the top ends of the second upper connecting frame (16) and on both sides of the bottom ends of the second lower connecting frame (18), and the connecting bolts (10) pass through the inside of the second insertion holes (17). Plugs (7) are respectively welded and fixed at the bottom ends of the first lower connecting frame (4) and the second lower connecting frame (18), and through holes (8) are respectively provided on both sides of the front end of the plug (7). Disassembly bolts (12) are respectively provided on both sides of the front end of the fixing frame (3), and the rear ends of the disassembly bolts (12) pass through the inside of the fixing frame (3), and disassembly nuts (13) are respectively provided on both sides of the rear end of the fixing frame (3).

5. A prefabricated beam-column steel structure node with stable connection according to claim 4, characterized in that: The through hole (8) passes through the interior of the plug (7), and the rear end of the disassembly bolt (12) passes through the interior of the through hole (8).

6. The prefabricated beam-column steel structure node with stable connection according to claim 1, characterized in that: An outer cover (6) is provided at the top of the outside of the first upper connecting frame (5), and inner holes (23) are respectively opened inside the two sides of the top of the outer cover (6), locking bolts (22) are respectively provided on the two sides of the top of the outer cover (6), and threaded holes (24) are respectively preset on the two sides of the top of the first upper connecting frame (5).

7. A prefabricated beam-column steel structure node with stable connection according to claim 6, characterized in that: The locking bolt (22) passes through the interior of the inner hole (23).

8. The prefabricated beam-column steel structure node with stable connection according to claim 1, characterized in that: A mounting bolt (2) is arranged on the left side of the mounting frame (1), and the right side of the mounting bolt (2) transversely penetrates the interior of the mounting frame (1), and a mounting nut (9) is arranged on the right side of the mounting frame (1).

Images