Replaceable embedded friction type steel structure beam-column joint

Abstract

The utility model discloses a replaceable embedded friction type steel structure beam column joint which is connected between an H-shaped steel column and an H-shaped frame beam and comprises an end plate, a cantilever beam, a friction pipe device, a friction rod device and a flange cover plate, and the end plate is connected to one side face of the H-shaped steel column through four groove-shaped connecting pieces; one end of the cantilever beam is connected with the end plate through two triangular rib plates arranged at the upper flange and the lower flange of the cantilever beam respectively and four integrated three-face connecting plates arranged on the two sides of a web of the cantilever beam, the other end of the cantilever beam and the opposite end of the H-shaped frame beam are connected with friction pipe devices, and a friction rod device in bidirectional embedded connection with the two friction pipe devices is arranged between the two friction pipe devices; the two flange cover plates are connected to the upper end face and the lower end face of the cantilever beam and the upper end face and the lower end face of the H-shaped frame beam respectively. The utility model relates to the technical field of steel structures, and aims to enhance the anti-seismic property of a steel structure beam column joint, enable the joint to have better replaceability after an earthquake, and greatly reduce economic loss after the earthquake.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure technical field especially is related to a replaceable embedded friction type steel structure beam column joint. BACKGROUND

[0002] In recent years with the rapid promotion of building technology, the number of building collapse and personnel casualty in the earthquake is effectively controlled, the life safety of people is guaranteed to a large extent, but the earthquake still brings very huge economic loss, the earthquake action can bring huge damage to the building structure, needs to consume a large amount of time and expense to repair and rebuild after the earthquake, therefore the function quick recovery of building structure after the earthquake becomes more and more important.

[0003] For the existing replaceable steel structure beam column joint, the following problems are found: the overall seismic performance of most replaceable joints is poor; the overall repair of the joint after the earthquake is difficult and the replacement efficiency of the damaged component is slow, a large amount of time and expense is needed; the function recovery effect of the replaced and repaired steel structure beam column joint after the earthquake is poor; there are too many vertical structures at the beam section of the replaceable joint, which occupies the effective space of the floor and affects the layout of the floor. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a replaceable embedded friction type steel structure beam column joint, the joint has good overall seismic performance, the damaged component can be quickly replaced after the earthquake, and the joint still has good seismic performance after replacement, can restore the normal use state, and there are no too many vertical structures at the beam section, which can improve the space utilization efficiency.

[0005] The utility model aims at realizing the following technical scheme:

[0006] The utility model discloses a replaceable embedded friction type steel structure beam column joint is connected between H type steel column and H type frame beam, including end plate, cantilever beam, friction pipe device, friction stick device and flange cover plate, the end plate is connected on the one side surface of H type steel column through four slot connectors, the cantilever beam one end is connected end plate through the two blocks of triangular rib plate and the four integral three surface connecting plates of both sides of the web plate of triangular rib plate that are arranged respectively at the upper and lower flanges, and the opposite end of H type frame beam is all connected with friction pipe device, and the two friction pipe devices are provided with the friction stick device that is bidirectional embedded connection, the flange cover plate is two, and is connected at the upper and lower two end surfaces of cantilever beam and H type frame beam respectively.

[0007] Further, the H type steel column is connected with the end plate through bolt, the width of end plate is equal to the flange width of H type steel column, and two slot connectors are symmetrically welded outside H type steel column and end plate relative to cantilever beam up and down.

[0008] Further, the cantilever beam is an H-shaped beam with the same cross section as the H-shaped frame beam, and the upper and lower flanges thereof are respectively welded with two triangular rib plates and end plates, and the integral three-surface connecting plates on the two sides of the web are respectively connected with the cantilever beam and the H-shaped steel column through bolts.

[0009] Further, the thicknesses of the four integral three-surface connecting plates are equal, and the three surfaces are all square; the cross section of the triangular rib plate is an isosceles triangle.

[0010] Further, the friction tube device is welded by a groove-shaped base and friction tubes, the friction tubes are arranged in three rows and three columns at equal intervals on the outer side of the bottom plate of the groove-shaped base, the groove-shaped base near the cantilever beam is buckled on the upper and lower flanges of the cantilever beam, after the flange cover plate is arranged, the cantilever beam, the groove-shaped base near the cantilever beam and the flange cover plate are connected through bolts, the groove-shaped base near the H-shaped frame beam is buckled on the upper and lower flanges of the H-shaped frame beam, after the flange cover plate is arranged, the flange cover plate, the groove-shaped base near the H-shaped frame beam and the H-shaped frame beam are connected through bolts.

[0011] Further, the friction rod device is welded by a straight plate base and friction rods, the friction rods are welded on the two sides of the straight plate base, the friction rods are cylindrical, the diameter is slightly smaller than the inner diameter of the friction tube, the friction rods are arranged in three rows and three columns at equal intervals on the straight plate base, correspond to the positions of the friction tubes, during installation, the friction rods are inserted into the friction tubes, and are connected in a bidirectional embedded mode, the four corners of the straight plate base and the flange cover plate are respectively welded with right-angle reinforcing connecting pieces.

[0012] The utility model discloses the beneficial effects are:

[0013] 1. The utility model discloses a triangular rib plate and integral three-surface connecting piece are set up to strengthen the connecting strength of H-shaped steel column and cantilever beam, can enhance the integrity of H-shaped steel column and cantilever beam, promote integral rigidity, force plastic hinge to move out, let the main plastic deformation take place in energy dissipation area.

[0014] 2. The utility model discloses that friction tube and groove-shaped base are welded and form friction tube device, and friction rod and straight plate base are welded and form friction rod device, and friction tube device and friction rod device carry out bidirectional embedded mode connection, form a set of energy dissipation device, and when the earthquake, the friction rod and the inner wall of friction tube extrude and rub each other, increase node energy consumption, and the main plastic deformation and energy dissipation of node are concentrated in this complete energy dissipation device, and the beam column main part still keeps elasticity, and does not have plastic deformation, and the energy dissipation effect of energy dissipation device is obvious, and the node has good ductility. After the earthquake, only need to replace the damaged components among friction tube device, friction rod device, flange cover plate and right-angle reinforcing connecting piece, can make the node restore normal use state, and the repaired node still has good anti-seismic performance, can be put into normal use, and the economic loss caused by the earthquake is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure diagram of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application;

[0016] Figure 2 is an exploded view of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application;

[0017] Figure 3 is an exploded view of the end plate and the channel-shaped connecting piece of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application;

[0018] Figure 4 is an exploded view of the cantilever beam of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application;

[0019] Figure 5 is an exploded view of the friction tube device of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application;

[0020] Figure 6 is an exploded view of the friction rod device of the replaceable embedded friction type steel structure beam column joint of the embodiment of the present application.

[0021] Reference signs: 1, H-shaped steel column; 2, end plate; 21, channel-shaped connecting piece; 3, cantilever beam; 31, triangular rib plate; 32, integrated three-face connecting piece; 4, friction tube device; 41, channel-shaped base; 42, friction tube; 5, friction rod device; 51, straight plate base; 52, friction rod; 6, flange cover plate; 61, right-angle reinforcing connecting piece; 7, H-shaped frame beam. DETAILED DESCRIPTION

[0022] The present application will be described in detail below with reference to the drawings and embodiments.

[0023] Embodiment: Reference Figures 1-2 The replaceable embedded friction type steel structure beam column joint of the present application is connected between an H-shaped steel column 1 and an H-shaped frame beam 7, and comprises an end plate 2, a cantilever beam 3, a friction tube device 4, a friction rod device 5 and a flange cover plate 6. The end plate is connected to one side surface of the H-shaped steel column 1 through four channel-shaped connecting pieces 21. One end of the cantilever beam 3 is connected to the end plate through two triangular rib plates 31 arranged at the upper and lower flanges thereof and four integrated three-face connecting plates 32 arranged at the two sides of the web thereof. The other end of the cantilever beam 3 and the opposite end of the H-shaped frame beam 7 are both connected to the friction tube device. The friction rod device 5 is arranged between the two friction tube devices and is bidirectionally embeddedly connected thereto. The flange cover plate 6 is two in number and is connected to the upper and lower end surfaces of the cantilever beam 3 and the H-shaped frame beam 7, respectively.

[0024] Reference Figures 1-3 The H-shaped steel column 1 is connected with the end plate 21 through 12 bolts, the width of the end plate 21 is equal to the flange width of the H-shaped steel column 1, two groove-shaped connectors 22 are symmetrically welded outside the H-shaped steel column 1 and the end plate 21 relative to the cantilever beam 3, and the three contact surfaces of the groove-shaped connector 22 are welded, so that the connection of the H-shaped steel column 1 and the end plate 2 is further reinforced, and the rigidity of the end part is improved.

[0025] Reference Figure 1 、 Figure 2 、 Figure 4 The cantilever beam 3 is an H-shaped beam with the same section as the H-shaped frame beam 7, and the upper and lower flanges thereof are respectively welded with two triangular rib plates 31 and the end plate 2, and the integral three-surface connecting plate 32 on the two sides of the web is respectively bolted with the cantilever beam 3 and the H-shaped steel column 1. Further enhance the integrity of the H-shaped steel column 1 and the cantilever beam 3, improve the overall rigidity, and force the plastic hinge to move outward. The thickness of the four integral three-surface connecting plates 32 is equal, and the three surfaces are square; the cross-sectional shape of the triangular rib plate 31 is an isosceles triangle.

[0026] Reference Figure 1 、 Figure 2 、 Figure 5 The friction tube device 4 is composed of a groove-shaped base 41 and a friction tube 42, the friction tube 42 is arranged in three rows and three columns at equal distances outside the bottom plate of the groove-shaped base 41, the groove-shaped base 41 near the cantilever beam 31 is buckled on the upper and lower flanges of the cantilever beam 31, after the flange cover plate 6 is arranged, the cantilever beam 31, the groove-shaped base 41 near the cantilever beam 31 and the flange cover plate 6 are connected through bolts, the groove-shaped base 41 near the H-shaped frame beam 7 is buckled on the upper and lower flanges of the H-shaped frame beam 7, after the flange cover plate 6 is arranged, the flange cover plate 6, the groove-shaped base 41 near the H-shaped frame beam 7 and the H-shaped frame beam 7 are connected through bolts, further strengthen the ductility of the joint, and prevent the energy dissipation device from being damaged too early.

[0027] Reference Figure 1 、 Figure 2 、 Figure 6The friction rod device 5 is welded by a straight plate base 51 and friction rods 52, the friction rods 52 are welded on both sides of the straight plate base 51, the friction rods 52 are cylindrical, the diameter is slightly smaller than the inner diameter of the friction tube 42, the friction rods 52 are arranged in three rows and three columns at equal intervals on the straight plate base 51, and correspond to the positions of the friction tube 42; during installation, the friction rods are inserted into the friction tube 42 in a bilateral bidirectional embedded mode, and the friction rods 52 and the inner wall of the friction tube 42 are extruded and rubbed against each other during vibration, so that the node energy consumption is increased, the main plastic deformation and energy consumption of the node are concentrated on the friction rod device 5, the friction tube device 4 and the flange cover plate 6, and the beam column body still remains elastic and does not have plastic deformation. The straight plate base 51 and the flange cover plate 6 are welded with right-angle reinforcing connecting pieces 61 at four corners, so that the node energy consumption area has good stability.

[0028] The parts not described in detail in the application are conventional technology, and will not be described here.

[0029] It can be understood that the above specific description of the utility model is only used for illustrating the utility model and is not limited to the technical scheme described in the utility model embodiment, and the person skilled in the art should understand that the utility model can still be modified or replaced equivalently to achieve the same technical effect, as long as the use needs are met, which is within the protection scope of the utility model.

Claims

1. A replaceable embedded frictional type steel structure beam column joint connected between an H-shaped steel column (1) and an H-shaped frame beam (7), characterized in that: The utility model provides a kind of H-shaped steel column and end plate connection structure, including end plate (2), cantilever beam (3), friction pipe device (4), friction stick device (5) and flange cover plate (6), the end plate is connected on the one side of H-shaped steel column (1) by four slot connectors (21);The cantilever beam (3) one end is connected end plate by the two triangular rib plates (31) respectively arranged at its upper and lower flange and the four integral three-face connecting plates (32) arranged at the both sides of its web, the other end and the opposite end of H-shaped frame beam (7) are all connected with friction pipe device, and the friction stick device (5) is arranged between two friction pipe devices and is bidirectionally embeddedly connected;The flange cover plate (6) is two, and is connected at the upper and lower two end surfaces of cantilever beam (3) and H-shaped frame beam (7) respectively.

2. The replaceable embedded frictional steel structure beam column joint according to claim 1, characterized in that: The H-shaped steel column (1) is connected with the end plate (2) by bolt, the width of the end plate (2) is equal to the flange width of the H-shaped steel column (1), and two slot connectors (21) are symmetrically welded outside the H-shaped steel column (1) and the end plate (2) relative to the cantilever beam.

3. The replaceable embedded frictional steel structure beam column joint according to claim 1, characterized in that: The cantilever beam (3) is an H-shaped beam with the same cross section as the H-shaped frame beam (7), and the two triangular rib plates (31) are welded to the end plate (2) at the upper and lower flanges of the cantilever beam (3), and the integral three-face connecting plates (32) at the both sides of the web are respectively connected to the cantilever beam (3) and the H-shaped steel column (1) by bolt.

4. The replaceable embedded frictional steel structure beam column joint according to claim 3, characterized in that: The four integral three-face connecting plates (32) have equal thickness, and the three faces are all square; the cross section of the triangular rib plate (31) is isosceles triangle.

5. A replaceable embedded frictional steel structure beam-column joint according to claim 1, characterized in that: The friction pipe device (4) is composed of a slot-shaped base (41) and a friction pipe (42), the friction pipe (42) is arranged in three rows and three columns at equal intervals outside the bottom plate of the slot-shaped base (41), the slot-shaped base (41) near the cantilever beam (3) is buckled on the upper and lower flanges of the cantilever beam (3), after the flange cover plate (6) is arranged, the cantilever beam (3), the slot-shaped base (41) near the cantilever beam (3) and the flange cover plate (6) are connected by bolt, and the slot-shaped base (41) near the H-shaped frame beam (7) is buckled on the upper and lower flanges of the H-shaped frame beam (7), after the flange cover plate (6) is arranged, the flange cover plate (6), the slot-shaped base (41) near the H-shaped frame beam (7) and the H-shaped frame beam (7) are connected by bolt.

6. The replaceable embedded frictional steel structure beam column joint of claim 1, wherein: The friction stick device (5) is composed of a straight plate base (51) and a friction stick (52), the friction stick (52) is welded to the both sides of the straight plate base (51), the friction stick (52) is cylindrical, the diameter is smaller than the inner diameter of the friction pipe (42), the friction stick (52) is arranged in three rows and three columns at equal intervals on the straight plate base (51), corresponding to the position of the friction pipe (42), during installation, the friction stick is inserted into the friction pipe (42), and the both sides are bidirectionally embeddedly connected, the four corners of the straight plate base (51) and the flange cover plate (6) are respectively welded to the right-angle reinforcing connectors (61).

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