CN113638638B - Assembled anti-seismic beam column connecting node structure - Google Patents
Assembled anti-seismic beam column connecting node structure Download PDFInfo
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- CN113638638B CN113638638B CN202110942537.XA CN202110942537A CN113638638B CN 113638638 B CN113638638 B CN 113638638B CN 202110942537 A CN202110942537 A CN 202110942537A CN 113638638 B CN113638638 B CN 113638638B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
Abstract
The invention provides an assembled anti-seismic beam-column connection node structure which comprises a fixed column and a cross beam, wherein a cavity is formed in the fixed column, a connection hole is formed in one side of the cavity, a fixed plate is arranged in the cavity, a connection block for connecting the fixed plate and the cross beam is arranged at the connection hole of the cavity, a first damping assembly is arranged between the connection block and the cross beam, a support assembly connected between the connection block and the fixed column is arranged below the connection block, and a second damping assembly is arranged between the support assembly and the fixed column. The first damping assembly is squeezed and contracted to consume part of earthquake energy and reduce the influence of vibration, the cross beam can be reset under the action of the first damping assembly, the supporting assembly can diffuse thrust to the fixed column, and the second damping assembly effectively reduces vibration between the cross beam and the fixed column, so that the earthquake energy can be diffused and reduced step by step, the damage caused by the earthquake is reduced, and the earthquake resistance of the beam-column connection node is improved.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to an assembled anti-seismic beam-column connecting node structure.
Background
The building industry is one of the prop industries of national economy in China, but the building industry in China is still a traditional industry mainly based on a labor-intensive cast-in-place construction mode at present, along with the development of the economy in China, the traditional extensive development mode is not suitable for the requirement of China on high-quality building products, and China needs to vigorously develop assembly type buildings. The fabricated steel structure building is known as one of the 'green buildings' in the 21 st century as a novel energy-saving and environment-friendly building system, and is a main development direction for popularizing fabricated buildings in China.
The current steel construction is owing to adopt fixed structural style, can't effectually when the earthquake takes place the shock attenuation, make the steel construction damage easily, and current steel construction assembly node is the mode that adopts the welded type mostly, consequently when taking place the earthquake, the earthquake can gather in single assembly node, thereby lead to the assembly node fracture, thereby great reduction the anti-seismic performance of whole assembly type building steel construction, cause the building to collapse, in addition, in prior art, because traditional assembly type building steel construction adopts the welding, and the structure is single, can't be quick change the steel construction node of damage after the earthquake.
Disclosure of Invention
The invention provides an assembled anti-seismic beam-column connecting node structure which is used for overcoming the defects that an assembled steel structure connecting node in the prior art is in rigid connection, is single in structure and weak in pit seismic capacity, and achieving the purpose of improving the anti-seismic capacity of an assembled steel structure.
The invention provides an assembled anti-seismic beam-column connection node structure which comprises a fixed column and a cross beam, wherein a cavity is formed in the fixed column, a connection hole is formed in one side of the cavity, a fixed plate is arranged in the cavity, a connection block for connecting the fixed plate and the cross beam is arranged at the connection hole of the cavity, a first damping assembly is arranged between the connection block and the cross beam, a support assembly connected between the connection block and the fixed column is arranged below the connection block, and a second damping assembly is arranged between the support assembly and the fixed column.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, the first damping assembly comprises a sliding rod arranged along the axial direction of the cross beam and a first elastic piece sleeved on the sliding rod, one end of the sliding rod is fixed on the connecting block, the other end of the sliding rod is in sliding connection with the cross beam through a sliding plate arranged on the cross beam, and the first elastic piece is connected between the connecting block and the sliding plate in a stressed manner.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, the fixing column comprises a convex plate arranged at the connection port, the convex plate is provided with a mounting hole, the connecting block is arranged in the mounting hole, and the second damping assembly is arranged between the supporting assembly and the convex plate.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, the second damping assembly comprises a first helical rack arranged on the convex plate and a second helical rack arranged on the support assembly, the first helical rack is meshed with the second helical rack, and the first helical rack is elastically connected with the convex plate through a second elastic piece.
According to the assembled anti-seismic beam-column connecting node structure provided by the invention, the fixing plate is detachably connected with the connecting block through the bolt, and the rubber shock absorber is arranged between the fixing plate and the connecting block.
According to the assembled anti-seismic beam-column connecting node structure provided by the invention, one end of the fixing plate is arranged in the fixing groove at the bottom of the cavity, and the other end of the fixing plate is detachably connected with the fixing column through the fixing assembly.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, the fixing component comprises a sleeve arranged in a rotating groove at the top of the fixing plate, a screw rod positioned in the sleeve, a third elastic piece positioned below the screw rod, and a driving mechanism for driving the sleeve and the screw rod to rotate.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, the driving mechanism comprises a worm wheel arranged in the rotation groove and a worm meshed with the worm wheel, and the worm extends to the outside of the fixing plate.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, one side of the cavity is provided with the rotating plate for opening the cavity, and a rubber layer is arranged between the rotating plate and the fixed plate.
According to the assembled anti-seismic beam-column connection node structure provided by the invention, a third damping component is arranged between the cross beam and the fixed column, the third damping component comprises a clamping plate arranged at the upper end of the cross beam, a sliding block arranged on the clamping plate and a viscous damper movably connected with the sliding block and the fixed column, and the sliding block is in sliding connection with the clamping plate through a T-shaped block and a T-shaped groove on the clamping plate.
According to the assembled anti-seismic beam-column connection node structure, the fixed plate is arranged in the fixed column and is connected with the cross beam through the connecting block, the first damping assembly is arranged between the connecting block and the cross beam, when the cross beam shakes during an earthquake, the first damping assembly is extruded and contracted to consume part of earthquake energy, the first damping assembly can transmit the vibration to the fixed plate, the fixed plate bears the rest earthquake energy, a certain amount of earthquake energy can be absorbed, the influence of the vibration is relieved, and the cross beam can reset under the action of the first damping assembly after the earthquake. This structure is equipped with the supporting component who connects between connecting block and fixed column through the connecting block below, and enough diffusion to fixed column department through with thrust is equipped with second shock attenuation subassembly between supporting component and the fixed column, and second shock attenuation subassembly further consumes the earthquake energy, effectively slows down the vibrations between crossbeam and the fixed column, and then can spread step by step the earthquake energy, subduct, reduces the harm that the earthquake caused, improves beam column connected node's shock strength.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of the internal structure of an assembled seismic beam-column connection node structure provided by the invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 2;
FIG. 4 is a sectional view taken along line C-C of FIG. 1;
FIG. 5 is a schematic connection diagram of a first damping assembly of the internal structure of the fabricated seismic beam-column connection node structure provided by the present invention;
FIG. 6 is a schematic view of the connection internal structure of a first shock-absorbing component of the internal structure of the fabricated seismic beam-column connection node structure provided by the invention;
FIG. 7 is a structural view of a second damping component of the internal structure of the fabricated anti-seismic beam-column connection node structure provided by the invention;
FIG. 8 is a schematic structural view of a fixing assembly of an internal structure of an assembled seismic beam-column connection node structure provided by the invention;
FIG. 9 is a structural view of a third damping assembly of the internal structure of the fabricated seismic beam-column connection node structure according to the present invention;
FIG. 10 is a side view of a third shock assembly for an internal structure of an assembled seismic beam-column connection node structure provided by the present invention;
reference numerals:
1: fixing a column; 2: a cavity; 3: a rotating plate;
4: fixing grooves; 5: a fixing plate; 6: a rotating groove;
7: a sleeve; 8: a third elastic member; 9: a circular plate;
10: a screw; 11: a threaded hole; 12: a first circular groove;
13: a worm gear; 14: a second circular groove; 15: a worm;
16: a rubber damper; 17: a first bolt; 18: connecting holes;
19: a convex plate; 20: a second bolt; 21: a first connection block;
22: a cross beam; 23: clamping a plate; 24: a third bolt;
25: a boss; 26: a slide bar; 27: a first elastic member;
28: a slide plate; 29: a second connecting block; 30: a fourth bolt;
31: a first clamping block; 32: bracing; 33: a fifth bolt;
34: a rectangular groove; 35: a first helical rack; 36: a second helical rack;
37: a T-shaped groove; 38: a T-shaped block; 39: a slider;
40: a viscous damper; 41: a sixth bolt; 42: a rectangular plate;
43: a rubber block; 44: a second fixture block; 45: a rubber layer;
46: a second elastic member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 10, an embodiment of the present invention provides an assembled earthquake-proof beam-column connection node structure, which includes a fixed column 1 and a cross beam 22, a cavity 2 is disposed inside the fixed column 1, a connection hole 18 is disposed on one side of the cavity 2, a fixed plate 5 is disposed inside the cavity 2, a connection block for connecting the fixed plate 5 and the cross beam 22 is disposed at a connection port of the cavity 2, and the connection block is a first connection block 21. Be equipped with first damper between first connecting block 21 and the crossbeam 22, first connecting block 21 below is equipped with supporting component, and supporting component's lower extreme is connected on fixed column 1, and is equipped with second damper between supporting component and fixed column 1.
In this embodiment, the first damping assembly includes a sliding rod 26 disposed along an axial direction of the cross beam 22 and a first elastic member 27 sleeved on the sliding rod 26, one end of the sliding rod 26 is fixed on the first connecting block 21, and the other end is slidably connected to the cross beam 22 through a sliding plate disposed on the cross beam 22, the sliding plate is a first sliding plate 28, and the first elastic member 27 is connected between the first connecting block 21 and the first sliding plate 28 in a stressed manner, so as to provide a damping force for the cross beam 22 in a transverse direction, thereby improving a pit-quake resistance.
Specifically, a plurality of sliding rods 26 are equidistantly arranged on the inner wall of one side of the first connecting block 21, one ends of the sliding rods 26, which are close to the cross beam 22, all extend into the cross beam 22 in a sliding manner, a first elastic member 27 fixedly connected with the inner wall of one side of the first connecting block 21 is sleeved on the outer wall of each sliding rod 26, and the first elastic member 27 is a damping spring. The outer wall of the sliding rod 26 is slidably sleeved with a sliding plate 28 fixedly connected with the first elastic element 27, the sliding plate 28 is attached to the cross beam 22, a boss 25 is fixedly connected to one side of the cross beam 22 close to the first connecting block 21, and the boss 25 is in contact with the sliding plates 28.
In this embodiment, through the cooperation of the first elastic member 27 and the sliding plate 28, when the beam 22 is shaken under the action of the seismic energy, an extrusion force is generated on the sliding plate 28, a part of the seismic energy can be consumed through the cooperation of the first elastic member 27 and the sliding plate 28, and the beam 22 can be reset under the cooperation of the first elastic member 27 and the sliding plate 28 after the earthquake.
In this embodiment, the supporting component includes the bracing 32 that sets up in fixed column 1 one side, is equipped with a plurality of fifth bolts 33 in the bracing 32, and the one end that a plurality of fifth bolts 33 are close to fixed column 1 all with fixed column 1 threaded connection. The top end of the inclined strut 32 is fixedly connected with a second connecting block 29, a fourth bolt 30 is arranged in the second connecting block 29, one end, close to the fixing plate 5, of the fourth bolt 30 is in threaded connection with the first connecting block 21, and the top of the second connecting block 29 is fixedly connected with a first clamping block 31 extending into the cross beam 22.
The connector of fixed column 1 department is equipped with flange 19, and flange 19 is equipped with the mounting hole, and first connecting block 21 is located in the mounting hole, and second damper is located between supporting component and the flange 19. The second damping assembly comprises a first helical rack 35 provided on the flange 19, a second helical rack 36 provided on the support assembly, and a second elastic member 46, the first helical rack 35 being engaged with the second helical rack 36. The first helical rack 35 is elastically connected to the boss 19 by a second elastic member 46. Specifically, the second elastic member 46 is a spring, a rectangular groove 34 is formed in one side of the protruding plate 19 close to the inclined strut 32, and the first inclined rack 35 is connected in the rectangular groove 34 through the second elastic member 46.
In this embodiment, through second connecting block 29 and bracing 32, drive first connecting block 21 at crossbeam 22 and rock the driving force that gives bracing 32 below, bracing 32 not only passes through second raking rack 36 and first raking rack 35 with thrust and locates to spread to flange 19, can also be through fifth bolt 33 with thrust to fixed column 1 department diffusion, and then can carry out diffusion step by step with the earthquake energy, subduct, reduce the harm that the earthquake caused.
One side that protruding board 19 is close to fixed column 1 is equipped with two symmetrical second fixture blocks 44, and in second fixture block 44 extended to fixed column 1, can increase protruding board 19's stability on fixed column 1 with protruding board 19 joint through second fixture block 44, avoids protruding board 19 to appear rocking. The top of first connecting block 21 is equipped with cardboard 23, and in cardboard 23 was close to the one end extension of fixed plate 5 to flange 19, is equipped with a plurality of third bolts 24 in the cardboard 23, and the bottom of a plurality of third bolts 24 all with crossbeam 22 threaded connection.
Further, fixed plate 5 can dismantle through first bolt 17 and first connecting block 21 and be connected, fixed plate 5 is close to one side fixedly connected with rubber shock absorber 16 of connecting hole 18, one side through connection hole 18 of flange 19 and bump with rubber shock absorber 16, be equipped with a plurality of second bolts 20 in the flange 19, a plurality of second bolts 20 are close to the one end and the fixed column 1 threaded connection of fixed column 1, first connecting block 21 sets up in flange 19, be equipped with a plurality of first bolts 17 in the fixed plate 5, a plurality of first bolts 17 all run through rubber shock absorber 16 and with first connecting block 21 threaded connection.
In this embodiment, the fixing plate 5 is detachably disposed in the cavity 2. Specifically, in fixed slot 4 of cavity bottom was located to the one end of fixed plate 5, the other end passes through fixed subassembly and can dismantle with fixed column 1 and be connected.
The fixing component comprises a sleeve 7 arranged in a rotating groove 6 at the top of the fixing plate 5, a screw rod 10 arranged in the sleeve 7, a third elastic part 8 arranged below the screw rod 10, and a driving mechanism for driving the sleeve 7 and the screw rod 10 to rotate. The driving mechanism includes a worm wheel 13 provided in the rotation groove 6 and a worm 15 engaged with the worm wheel 13.
Specifically, two symmetrical rotating grooves 6 are formed in the upper end of the fixing plate 5, a sleeve 7 is connected to the rotating grooves 6 in a rotating mode, a third elastic part 8 is fixedly connected to the inner wall of the bottom of the sleeve 7, and the third elastic part 8 is a spring. Sliding connection has the plectane 9 with the top fixed connection of third elastic component 8 in the sleeve 7, the top fixedly connected with screw rod 10 of plectane 9, the top inner wall of cavity 2 is equipped with the screw hole 11 with screw rod 10 matched with, the inner wall of rotation groove 6 is equipped with first circular slot 12, the fixed cover of outer wall of sleeve 7 is equipped with the worm wheel 13 that is located first circular slot 12, be equipped with the second circular slot 14 that is linked together with first circular slot 12 in the fixed plate 5, the internal rotation of second circular slot 14 is connected with the worm 15 with worm wheel 13 engaged with, and the one end that worm 15 is close to rotor plate 3 extends to the outside of fixed plate 5.
In this embodiment, through rotating worm 15, drive worm wheel 13 and sleeve 7 and rotate, sleeve 7 drives screw rod 10 through plectane 9 and rotates, and along with screw rod 10's rotation, the screw thread is screwed in screw hole 11, and then can fix fixed plate 5 and fixed column 1, and during the later stage earthquake, fixed plate 5 can transmit the earthquake energy that receives to fixed column 1, and the diffusion earthquake energy plays the effect of consuming the earthquake energy.
As shown in fig. 1, one side of the cavity 2 is provided with a rotating plate 3 for opening the cavity 2, one side of the rotating plate 3 close to the fixing plate 5 is fixedly connected with a rubber block 43 which is in contact with the fixing plate 5, after the fixing plate 5 receives vibration energy, the vibration energy in the fixing plate 5 can be consumed through the rubber block 43, and the rubber block 43 can also block the first bolt 17, so as to avoid the first bolt 17 from loosening, and break away from the fixing plate 5, so that the fixing plate 5 cannot be connected with the rubber damper 16 and the first connecting block 21.
In this embodiment, the vertical setting of fixed plate 5 is in fixed slot 4 of 2 bottom inner walls of cavity, and the bottom inner wall of cavity 2 is equipped with the fixed rectangular plate 42 of establishing at the 5 outer walls of fixed plate of cover, is equipped with a plurality of screws in the rectangular plate 42, and the bottom of a plurality of screws all with fixed column 1 threaded connection, can increase the area of contact of fixed plate 5 and 2 bottom inner walls of cavity through rectangular plate 42 for increase the steadiness of fixed plate 5 in cavity 2.
On the basis of the above embodiment, the present invention is further improved, as shown in fig. 9 and 10, a third damping assembly is provided between the cross beam 22 and the fixing column 1. The third damping component comprises a clamping plate 23 arranged at the upper end of the cross beam 22, a sliding block 39 arranged on the clamping plate 23, a viscous damper 40 movably connected with the sliding block 39 and the fixed column 1, and the sliding block 39 is connected with the clamping plate 23 in a sliding mode.
Specifically, the slider 39 is connected with the clamping plate 23 in a sliding manner through the T-shaped grooves 37 on the T-shaped blocks 38 and the clamping plate 23, the T-shaped grooves 37 are formed in the upper surface of the clamping plate 23, the T-shaped blocks 38 are fixedly connected to the lower end of the slider 39, the T-shaped grooves 37 are connected with the T-shaped blocks 38 in a sliding manner, the bottom of the slider 39 is in contact with the top of the clamping plate 23, the top of the slider 39 is rotatably connected with the viscous damper 40, the telescopic rod of the viscous damper 40 is rotatably connected with the fixed column 1, the sixth bolt 41 is arranged in the T-shaped grooves 37, the bottom end of the sixth bolt 41 is in threaded connection with the cross beam 22, when the cross beam 22 shakes, the viscous damper 40 can restrain the cross beam 22 through the slider 39 and the T-shaped blocks 38, violent shaking of the cross beam 22 is avoided, and the damping effect on the cross beam 22 can be achieved through the viscous damper 40.
The use method of the assembled anti-seismic beam-column connection node structure provided by the embodiment of the invention comprises the following steps:
step 1: unscrewing the screw, rotating the rotating plate 3, opening the cavity 2, pushing the screw rod 10 to the inside, starting to compress the third elastic piece 8, placing the fixing plate 5 into the cavity 2 and inserting into the fixing groove 4, fixing the rectangular plate 42 and the fixing column 1 through the screw, enabling the screw rod 10 to slide upwards under the elastic action of the third elastic piece 8 to be aligned with the threaded hole 11, then rotating the worm 15, enabling the worm 15 to be meshed with the worm wheel 13, enabling the worm 15 to drive the worm wheel 13 and the sleeve 7 to rotate, enabling the sleeve 7 to drive the screw rod 10 to rotate through the circular plate 9, enabling the screw rod 10 to be in threaded connection with the threaded hole 11, and enabling the screw rod 10 to be screwed into the threaded hole 11 along with the rotation of the screw rod 10.
Step 2: insert the cavity 2 through connecting hole 18 with one side of flange 19, one side and the rubber shock absorber 16 of flange 19 touch, carry out fixed connection with fixed plate 5, rubber shock absorber 16 and flange 19 through a plurality of first bolts 17, after placing crossbeam 22 from last down in first connecting block 21, promote crossbeam 22 to fixed column 1 direction, make slide bar 26 can extend to in the crossbeam 22, and first slide 28 is laminated with crossbeam 22 mutually, place cardboard 23 behind the top of crossbeam 22 and promote to fixed column 1 direction, cardboard 23 can insert between flange 19 and the first connecting block 21, fix cardboard 23 and crossbeam 22 through third bolt 24.
And 3, step 3: the inclined strut 32 and the second connecting block 29 are attached to the convex plate 19 and pushed upwards, the first clamping block 31 can penetrate through the first connecting block 21 and extend into the cross beam 22, the second inclined rack 36 pushes the first inclined rack 35 to slide inwards while the inclined strut 32 is attached to the convex plate 19 and slides upwards, the second elastic piece 46 starts to compress until the second connecting block 29 is attached to the bottom of the first connecting block 21, the first inclined rack 35 is clamped with the second inclined rack 36 under the elastic force of the second elastic piece 46, then the second connecting block 29 and the first connecting block 21 are fixed through the fourth bolt 30, and the inclined strut 32 and the fixing column 1 are fixed through the fifth bolt 33.
And 4, step 4: insert T type piece 38 in T type groove 37 and to fixed column 1 direction slip, fix cardboard 23 and crossbeam 22 through sixth bolt 41 after that, and sixth bolt 41 can play limiting displacement to T type piece 38, and viscous damper 40's one end is connected with fixed column 1 rotation, and then when crossbeam 22 appears rocking, viscous damper 40 can retrain crossbeam 22, avoids crossbeam 22 to appear violently rocking.
When an earthquake occurs, the beam 22 shakes under the action of earthquake energy, when the beam 22 shakes, extrusion force is generated on the sliding plate 28, the sliding plate 28 slides inwards, the first elastic piece 27 starts to compress, partial earthquake energy can be consumed through the cooperation of the first elastic piece 27 and the sliding plate 28, after the earthquake, the beam 22 can reset under the cooperation of the first elastic piece 27 and the sliding plate 28, and when the beam 22 drives the first connecting block 21 to shake, the first connecting block 21 diffuses the earthquake energy to the rubber shock absorber 16 and the fixing plate 5, the rubber shock absorber 16 can re-consume the earthquake energy, further the fixing plate 5 bears the residual earthquake energy, the beam 22 drives the first connecting block 21 to shake to provide downward driving force for the inclined strut 32, the inclined strut 32 not only diffuses the pushing force to the convex plate 19 through the second inclined rack 36 and the first inclined rack 35, but also diffuses the pushing force to the fixed column 1 through the fifth bolt 33, further, the earthquake energy can be diffused and reduced step by step, and damage caused by the earthquake is reduced;
after the earthquake, because the inclined strut 32 and the fixed plate 5 are rigid parts, damage is relatively easy to occur in the earthquake, at the moment, the fourth bolt 30 and the fifth bolt 33 are loosened to extrude the first inclined rack 35, the inclined strut 32 and the second connecting block 29 are firstly removed and replaced again, then the bolt is loosened to rotate the rotating plate 3, the cavity 2 is opened, then the first bolt 17 is loosened to release the connection between the fixed plate 5 and the first connecting block 21, the bolt is loosened to release the connection between the rectangular plate 42 and the fixed column 1, then the worm 15 is reversely rotated, the two worm wheels 13 are simultaneously reversely rotated, further the sleeve 7 drives the screw rod 10 to reversely rotate, the screw rod 10 is separated from the threaded hole 11, the fixation between the fixed plate 5 and the fixed column 1 is released, and therefore the fixed plate 5 is convenient to replace.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. An assembled anti-seismic beam-column connection node structure is characterized by comprising a fixed column and a cross beam, wherein a cavity is formed in the fixed column, a connection hole is formed in one side of the cavity, a fixed plate is arranged in the cavity, a connection block for connecting the fixed plate and the cross beam is arranged at the connection hole of the cavity, a first damping assembly is arranged between the connection block and the cross beam, a support assembly connected between the connection block and the fixed column is arranged below the connection block, and a second damping assembly is arranged between the support assembly and the fixed column;
the first damping assembly comprises a sliding rod arranged along the axial direction of the cross beam and a first elastic piece sleeved on the sliding rod, one end of the sliding rod is fixed on the connecting block, the other end of the sliding rod is in sliding connection with the cross beam through a sliding plate arranged on the cross beam, and the first elastic piece is connected between the connecting block and the sliding plate in a stressed mode;
the fixing column comprises a convex plate arranged at the connecting port, the convex plate is provided with a mounting hole, the connecting block is arranged in the mounting hole, and the second damping assembly is arranged between the supporting assembly and the convex plate;
the second damping assembly comprises a first helical rack arranged on the convex plate and a second helical rack arranged on the supporting assembly, the first helical rack is meshed with the second helical rack, and the first helical rack is elastically connected with the convex plate through a second elastic piece;
the fixed plate is detachably connected with the connecting block through a bolt, and a rubber shock absorber is arranged between the fixed plate and the connecting block;
one end of the fixing plate is arranged in the fixing groove at the bottom of the cavity, and the other end of the fixing plate is detachably connected with the fixing column through a fixing assembly; the fixing assembly comprises a sleeve arranged in a rotating groove at the top of the fixing plate, a screw rod positioned in the sleeve, a third elastic piece positioned below the screw rod, and a driving mechanism for driving the sleeve and the screw rod to rotate;
the supporting assembly comprises an inclined strut arranged on one side of the fixed column, a plurality of fifth bolts are arranged in the inclined strut, and one ends, close to the fixed column, of the fifth bolts are in threaded connection with the fixed column;
the top fixedly connected with second connecting block of bracing, be equipped with the fourth bolt in the second connecting block, and the fourth bolt is close to the one end and the first connecting block threaded connection of fixed plate, the top fixedly connected with of second connecting block extends to first fixture block in the crossbeam.
2. The fabricated earthquake-resistant beam-column connection node structure according to claim 1, wherein the driving mechanism comprises a worm wheel disposed in the rotation groove and a worm engaged with the worm wheel, and the worm extends to the outside of the fixing plate.
3. The fabricated earthquake-resistant beam-column connection node structure as claimed in claim 1, wherein a rotating plate for opening the cavity is provided at one side of the cavity, and a rubber layer is provided between the rotating plate and the fixed plate.
4. An assembled earthquake-resistant beam-column connecting joint structure according to any one of claims 1 to 3, wherein a third damping component is arranged between the cross beam and the fixed column, the third damping component comprises a clamping plate arranged at the upper end of the cross beam, a sliding block arranged on the clamping plate, and a viscous damper movably connecting the sliding block and the fixed column, and the sliding block is connected with the clamping plate in a sliding manner through a T-shaped block and a T-shaped groove on the clamping plate.
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| CN202110942537.XA CN113638638B (en) | 2021-08-17 | 2021-08-17 | Assembled anti-seismic beam column connecting node structure |
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| CN202110942537.XA CN113638638B (en) | 2021-08-17 | 2021-08-17 | Assembled anti-seismic beam column connecting node structure |
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| CN113638638B true CN113638638B (en) | 2022-09-16 |
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| CN115110635B (en) * | 2022-06-22 | 2023-09-15 | 闽晟集团城建发展有限公司 | Assembled giant steel pipe column special-shaped combined node and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3882325B2 (en) * | 1998-03-24 | 2007-02-14 | 株式会社大林組 | Friction damper |
| JP2000110399A (en) * | 1998-10-07 | 2000-04-18 | Arai Gumi Ltd | Earthquake resistant construction of building for detached house |
| JP4771136B2 (en) * | 2006-01-23 | 2011-09-14 | 清水建設株式会社 | Anti-seismic brace |
| JP5023274B2 (en) * | 2006-06-13 | 2012-09-12 | 株式会社サトウ | Damping locking device |
| CN209178840U (en) * | 2018-11-28 | 2019-07-30 | 中铁二十局集团第四工程有限公司 | A kind of bridge construction beam column fixer |
| CN209227769U (en) * | 2018-12-11 | 2019-08-09 | 辰信重工（江苏）有限公司 | A kind of connection structure of steel structure column and steel structure girder |
| CN110145022A (en) * | 2019-06-20 | 2019-08-20 | 安徽建筑大学 | A kind of connecting node of assembly concrete frame beam column |
| CN111519759A (en) * | 2020-05-07 | 2020-08-11 | 秦煜皓 | Assembled concrete beam column node of removable power consumption component |
| CN113250428B (en) * | 2021-04-16 | 2023-03-31 | 浙江维安建筑支护科技有限公司 | Anti-seismic scaffold |
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