Fabricated steel structure anti-seismic supporting joint

Abstract

The utility model relates to the technical field of steel structures, in particular to an assembly type steel structure anti-seismic supporting node, which not only can enable a steel structure to buffer in a small range when the steel structure encounters an earthquake and alleviate the influence of the earthquake on the whole steel structure, but also increases the limit of a cross beam and improves the whole stability of the steel structure. Comprising columns; the device further comprises a fixing mechanism, four buffering mechanisms, four connecting mechanisms and four limiting mechanisms, the fixing mechanism is installed on the stand column and enables the stand column to be conveniently connected with the connecting mechanisms, the buffering mechanisms are installed on the fixing mechanism and relieve the influence of an earthquake on the steel structure, and the connecting mechanisms are installed on the buffering mechanisms and enlarge the supporting area of the steel structure. The limiting mechanism is installed on the fixing mechanism and fixes the connecting mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structures, in particular to an assembled steel structure anti-seismic support node. Background Art

[0002] Steel structure engineering is a structure made mainly of steel. It is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. It is one of the main types of building structures.

[0003] Existing prefabricated steel structure seismic support nodes, such as a high-ductility seismic node of a steel structure disclosed in the utility model patent application number 202120530514.3, have a main structure including four inner plates arranged in a square, a support plate located between the inner plate and the outer plate, one end of the support plate is fixedly connected to the inner plate, and the other end is fixedly connected to the outer plate, a vertical connector is provided on the inner side of the four inner plates, the cross section of the vertical connector is square and is slidably connected to the four inner plates, the vertical connector is fixedly connected to the support column, a connection port is provided on the outer plate, and a horizontal connector is provided in the connection port ; When in use, first put the connecting sleeve on the vertical connecting head located below, and then tighten the first bolt located below the inner plate so that the first bolt is threadedly connected to the vertical connecting head located below; pass the horizontal connecting head through the connecting port, and then pass through the reinforcing tube and the inner plate to enter the fixing groove, tighten the second bolt to fix the horizontal connecting head to the outer plate, and then move the vertical connecting head located above downward in the vertical direction so that the plug connector is inserted into the plug groove, and the positioning head is inserted into the positioning groove, and tighten the first bolt located above the inner plate to fix the vertical connecting head to the connecting sleeve.

[0004] However, most existing support nodes are very rigid and strong, and are easily broken after being hit by an earthquake. In addition, most steel structure beams have few limits, and are easily shaken left and right during an earthquake, affecting the overall stability. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an assembled steel structure seismic support node that can not only provide a small-scale buffer for the steel structure when encountering an earthquake, thereby reducing the impact of the earthquake on the overall steel structure, but also increase the limit of the crossbeam, thereby improving the overall stability of the steel structure.

[0006] The utility model discloses an assembled anti-seismic support node for a steel structure, comprising a column; a fixing mechanism, four groups of buffer mechanisms, four groups of connecting mechanisms and four groups of limiting mechanisms, wherein the fixing mechanism is installed on the column and facilitates connecting the column with the connecting mechanism, the buffer mechanism is installed on the fixing mechanism and reduces the influence of earthquakes on the steel structure, the connecting mechanism is installed on the buffer mechanism and expands the supporting area of the steel structure, and the limiting mechanism is installed on the fixing mechanism and fixes the connecting mechanism; the column is fixedly installed on the ground, the fixing mechanism is fixed to the column by welding and bolts, and then the connecting mechanism and the fixing mechanism are fixedly connected by bolts, and then the connecting mechanism is limited by the limiting mechanism, thereby enhancing the fixing effect of the connecting mechanism, and when an earthquake occurs, the vibration of the connecting mechanism is reduced by the buffer mechanism, thereby enhancing the anti-seismic effect of the steel structure.

[0007] Preferably, the column includes a column web and two sets of column flanges, the bottom end of the column web is connected to the ground, and the two sets of column flanges are installed on the column web; the column web is inserted into the precast concrete on the ground for fixation, and the connection area with the fixing mechanism is increased by providing two sets of column flanges.

[0008] The outer cover is fixedly mounted on the support frame, and the fixing means includes an inner support frame, four groups of connecting plates, an outer support frame, two groups of rib plates, two groups of fixing plates and four groups of first bolts. The inner support frame is slidably mounted on the column web and the two groups of column flanges, the four groups of connecting plates are all mounted on the inner support frame, and the outer support frame is mounted on the four groups of connecting plates, the top ends of the two groups of rib plates are connected to the bottom ends of the inner support frame and the outer support frame, the two groups of fixing plates are respectively mounted on the two groups of rib plates, and each group of fixing plates has four groups of mounting holes, and the four groups of first bolts are respectively mounted in the mounting holes of the fixing plates; the inner support frame is moved to a specified height of the column web, and then the inner support frame is welded to the column web and the two groups of column flanges, and then four groups of mounting holes are drilled on the column web to align with the mounting holes of the two groups of fixing plates, and the four groups of first bolts are passed through the corresponding four groups of mounting holes to fix the two groups of fixing plates to the column web, thereby enhancing the fixing effect and enhancing the stability of the outer support frame by setting two groups of rib plates.

[0009] Preferably, the buffer mechanism includes a spring plate, an insert plate and two groups of springs. The spring plate is mounted on the outer support frame and is located between the two groups of connecting plates. The insert plate is mounted on the spring plate. Two groups of elliptical positioning holes are opened on the insert plate. One end of the two groups of springs is connected to the inner support frame, and the other end is fixedly connected to the spring plate. The connecting mechanism is connected to the two groups of elliptical positioning holes of the insert plate. The spring plate can be deformed within a certain range. When an earthquake occurs, the shaking force exerted on the connecting mechanism is reduced by the elliptical positioning holes, the spring plate and the two groups of insert plates, thereby extending the service life of the device.

[0010] Preferably, the connecting mechanism includes a crossbeam, two groups of positioning plates, two groups of fixing bolts, a splint and two groups of second bolts. Four groups of grooves are opened on the outer support frame. The crossbeam is installed in the groove of the outer support frame. The two groups of positioning plates are installed on the crossbeam, the four groups of fixing bolts are installed on the two groups of positioning plates, the splint is installed on the crossbeam, and the two groups of second bolts are installed on the splint; the staff places the crossbeam in the groove of the outer support frame so that the second bolts clamp the plug-in plate, and then uses the two groups of fixing bolts to fix the two groups of positioning plates to the inner wall of the outer support frame, passes the two groups of second bolts through the two groups of elliptical positioning holes of the plug-in plate, and connects the second bolts to the splint.

[0011] Preferably, the limiting mechanism includes a rotating shaft, a pressure plate and a third bolt. The rotating shaft is rotatably installed in the groove of the outer support frame, the pressure plate is installed on the rotating shaft, and the third bolt is rotatably installed in the groove of the outer support frame. When the beam is installed in the groove of the outer support frame, the rotating shaft and the pressure plate are rotated so that the bottom end of the pressure plate rests against the top end of the beam, and then the pressure plate is fixed in the groove of the outer support frame by using the third bolt to improve the limiting effect on the beam.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the column is fixedly installed on the ground, the fixing mechanism is fixed to the column by welding and bolts, and then the connecting mechanism is fixedly connected to the fixing mechanism by bolts, and then the connecting mechanism is limited by the limiting mechanism, thereby enhancing the fixing effect of the connecting mechanism, and when an earthquake occurs, the vibration of the connecting mechanism is slowed down by the buffer mechanism, thereby enhancing the seismic resistance of the steel structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an axonometric structural diagram of the present utility model;

[0014] Figure 2 This is a schematic diagram of the axonometric structure of the column of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional axonometric structure of the fixing mechanism and the buffer mechanism of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the connecting mechanism of the utility model from above;

[0017] Figure 5 It is a partially enlarged axonometric structural diagram of the connecting mechanism and the limiting mechanism of the utility model.

[0018] Markings in the accompanying drawings: 01, column; 11, column web; 12, column flange; 02, fixing mechanism; 21, inner support frame; 22, connecting plate; 23, outer support frame; 24, rib; 25, fixing plate; 26, first bolt; 03, buffer mechanism; 31, spring plate; 32, plug plate; 33, spring; 04, connecting mechanism; 41, beam; 42, positioning plate; 43, fixing bolt; 44, splint; 45, second bolt; 05, limiting mechanism; 51, rotating shaft; 52, pressure plate; 53, third bolt. DETAILED DESCRIPTION

[0019] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0020] Example 1

[0021] The utility model is an assembled steel structure seismic support node, including a column 01; a fixing mechanism 02, four groups of buffer mechanisms 03, four groups of connecting mechanisms 04 and four groups of limiting mechanisms 05. The fixing mechanism 02 is installed on the column 01 and is convenient for connecting the column 01 with the connecting mechanism 04. The buffer mechanism 03 is installed on the fixing mechanism 02 and reduces the impact of earthquakes on the steel structure. The connecting mechanism 04 is installed on the buffer mechanism 03 and expands the supporting area of the steel structure. The limiting mechanism 05 is installed on the fixing mechanism 02 and is convenient for connecting Mechanism 04 is fixed; the column 01 includes a column web 11 and two groups of column flanges 12, the bottom end of the column web 11 is connected to the ground, and the two groups of column flanges 12 are installed on the column web 11; the fixing mechanism 02 includes an inner support frame 21, four groups of connecting plates 22, an outer support frame 23, two groups of ribs 24, two groups of fixing plates 25 and four groups of first bolts 26, the inner support frame 21 is slidably installed on the column web 11 and the two groups of column flanges 12, the four groups of connecting plates 22 are installed on the inner support frame 21, and the outer support frame 23 is installed on the four groups of connecting plates 22, the top ends of the two groups of ribs 24 are connected to the bottom ends of the inner support frame 21 and the outer support frame 23, and the two groups of fixing plates 25 are respectively installed on the two groups of ribs 24. Each group of fixing plates 25 has four groups of mounting holes, and the four groups of first bolts 26 are respectively installed in the mounting holes of the fixing plates 25; the buffer mechanism 03 includes a spring plate 31, an insert plate 32 and two groups of springs 33. The spring plate 31 is installed on the outer support frame 23 and is located between the two groups of connecting plates 22. The insert plate 32 is installed on the spring plate 31. Two groups of elliptical positioning holes are opened on the insert plate 32. One end of the two sets of springs 33 is connected to the inner support frame 21, and the other end is fixedly connected to the spring plate 31; the connecting mechanism 04 includes a crossbeam 41, two sets of positioning plates 42, two sets of fixing bolts 43, a clamping plate 44 and two sets of second bolts 45. Four sets of grooves are opened on the outer support frame 23, the crossbeam 41 is installed in the groove of the outer support frame 23, the two sets of positioning plates 42 are installed on the crossbeam 41, the four sets of fixing bolts 43 are installed on the two sets of positioning plates 42, the clamping plate 44 is installed on the crossbeam 41, and the two sets of second bolts 45 are installed on the clamping plate 44;When it is working, first, the column web 11 is inserted into the precast concrete on the ground for fixation, and the connection area with the fixing mechanism 02 is increased by setting two groups of column flanges 12, and the inner support frame 21 is moved to the specified height of the column web 11, and then the inner support frame 21 is welded together with the column web 11 and the two groups of column flanges 12, and then four groups of mounting holes are drilled on the column web 11 to align with the mounting holes of the two groups of fixing plates 25, and four groups of first bolts 26 are passed through the corresponding four groups of mounting holes, and the two groups of fixing plates 25 are fixedly connected to the column web 11 to enhance the fixing effect. To enhance the stability of the outer support frame 23, workers place the crossbeam 41 in the groove of the outer support frame 23, allowing the second bolts 45 to clamp the insert plates 32. Then, two sets of fixing bolts 43 are used to securely connect the two sets of positioning plates 42 to the inner wall of the outer support frame 23. The two sets of second bolts 45 are inserted through the two sets of elliptical positioning holes in the insert plates 32, connecting the insert plates 32 to the clamping plates 44. The spring plates 31 can deform within a certain range. In the event of an earthquake, the elliptical positioning holes, the spring plates 31, and the two sets of insert plates 32 mitigate the shaking forces acting on the connecting mechanism 04, thereby extending the service life of the device.

[0022] Example 2

[0023] like Figures 1 to 5As shown, an assembled steel structure seismic support node of the utility model is based on Example 1; the limiting mechanism 05 includes a rotating shaft 51, a pressure plate 52 and a third bolt 53, the rotating shaft 51 is rotatably installed in the groove of the outer support frame 23, the pressure plate 52 is installed on the rotating shaft 51, and the third bolt 53 is rotatably installed in the groove of the outer support frame 23; when it is working, first, the column web 11 is inserted into the precast concrete on the ground for fixation, and the connection area with the fixing mechanism 02 is increased by setting two groups of column flanges 12, and the inner support frame 21 is moved to a specified height of the column web 11, and then the inner support frame 21 is welded to the column web 11 and the two groups of column flanges 12, and then four groups of mounting holes are drilled on the column web 11 to align with the mounting holes of the two groups of fixing plates 25, and four groups of first bolts 26 are passed through the corresponding four groups of mounting holes, and the two groups of fixing plates 25 are fixed to the column web 11 The fixed connection enhances the fixing effect. By setting two sets of ribs 24 to enhance the stability of the outer support frame 23, the staff places the cross beam 41 in the groove of the outer support frame 23, so that the second bolts 45 clamp the plug plate 32, and then use the two sets of fixing bolts 43 to fix the two sets of positioning plates 42 to the inner wall of the outer support frame 23, and then rotate the rotating shaft 51 and the pressure plate 52 so that the bottom end of the pressure plate 52 is against the top of the cross beam 41, and then use the third bolt 53 to fix the pressure plate 52 in the groove of the outer support frame 23, thereby improving the limiting effect of the cross beam 41, and pass the two sets of second bolts 45 through the two sets of elliptical positioning holes of the plug plate 32 to connect the plug plate 32 with the clamping plate 44. The spring plate 31 can be deformed within a certain range. When an earthquake occurs, the elliptical positioning holes, the spring plate 31 and the two sets of plug plates 32 can reduce the shaking force on the connecting mechanism 04, thereby extending the service life of the device.

[0024] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A prefabricated steel structure seismic support node, comprising a column (01); characterized in that: The invention also includes a fixing mechanism (02), four groups of buffer mechanisms (03), four groups of connecting mechanisms (04) and four groups of limiting mechanisms (05). The fixing mechanism (02) is installed on the column (01) and facilitates the connection between the column (01) and the connecting mechanism (04). The buffer mechanism (03) is installed on the fixing mechanism (02) and reduces the impact of earthquakes on the steel structure. The connecting mechanism (04) is installed on the buffer mechanism (03) and expands the supporting area of the steel structure. The limiting mechanism (05) is installed on the fixing mechanism (02) and fixes the connecting mechanism (04).

2. The assembled steel structure seismic support node according to claim 1, characterized in that: The column (01) comprises a column web (11) and two groups of column flanges (12). The bottom end of the column web (11) is connected to the ground, and the two groups of column flanges (12) are both installed on the column web (11).

3. The assembled steel structure seismic support node according to claim 2, characterized in that: The fixing mechanism (02) comprises an inner support frame (21), four groups of connecting plates (22), an outer support frame (23), two groups of ribs (24), two groups of fixing plates (25) and four groups of first bolts (26). The inner support frame (21) is slidably mounted on the column web (11) and the two groups of column flanges (12). The four groups of connecting plates (22) are all mounted on the inner support frame (21). The outer support frame (23) is mounted on the four groups of connecting plates (22). The top ends of the two groups of ribs (24) are connected to the bottom ends of the inner support frame (21) and the outer support frame (23). The two groups of fixing plates (25) are respectively mounted on the two groups of ribs (24). Four groups of mounting holes are opened on each group of fixing plates (25). The four groups of first bolts (26) are respectively mounted in the mounting holes of the fixing plates (25).

4. The assembled steel structure seismic support node according to claim 3, characterized in that: The buffer mechanism (03) comprises a spring plate (31), an insert plate (32) and two groups of springs (33). The spring plate (31) is mounted on the outer support frame (23) and is located between the two groups of connecting plates (22). The insert plate (32) is mounted on the spring plate (31). Two groups of elliptical positioning holes are opened on the insert plate (32). One end of the two groups of springs (33) is connected to the inner support frame (21), and the other end is fixedly connected to the spring plate (31).

5. The assembled steel structure seismic support node according to claim 3, characterized in that: The connecting mechanism (04) comprises a crossbeam (41), two groups of positioning plates (42), two groups of fixing bolts (43), a clamping plate (44) and two groups of second bolts (45); four groups of grooves are provided on the outer support frame (23); the crossbeam (41) is installed in the grooves of the outer support frame (23); the two groups of positioning plates (42) are installed on the crossbeam (41); the four groups of fixing bolts (43) are installed on the two groups of positioning plates (42); the clamping plate (44) is installed on the crossbeam (41); and the two groups of second bolts (45) are installed on the clamping plate (44).

6. The assembled steel structure seismic support node according to claim 3, characterized in that: The limiting mechanism (05) comprises a rotating shaft (51), a pressing plate (52) and a third bolt (53); the rotating shaft (51) is rotatably mounted in a groove of the outer support frame (23); the pressing plate (52) is mounted on the rotating shaft (51); and the third bolt (53) is rotatably mounted in the groove of the outer support frame (23).

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