CN117386041A - Underground building anti-seismic supporting structure - Google Patents
Underground building anti-seismic supporting structure Download PDFInfo
- Publication number
- CN117386041A CN117386041A CN202311696565.3A CN202311696565A CN117386041A CN 117386041 A CN117386041 A CN 117386041A CN 202311696565 A CN202311696565 A CN 202311696565A CN 117386041 A CN117386041 A CN 117386041A
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- Prior art keywords
- damping
- adjusting
- plate
- buffer
- butt joint
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- 238000013016 damping Methods 0.000 claims description 122
- 210000001503 joint Anatomy 0.000 claims description 49
- 230000007246 mechanism Effects 0.000 claims description 45
- 229920001971 elastomer Polymers 0.000 claims description 16
- 239000005060 rubber Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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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
Abstract
The invention discloses an underground building anti-seismic supporting structure, which relates to the technical field of underground building anti-seismic, and comprises upright posts; the main part, main part is the support main part of support, main part includes fixed connection board of fixed mounting on the stand, fixed mounting has fixed cover on the fixed connection board, fixed mounting has the crossbeam on the fixed cover, slidable mounting has two first buffer beams and two second buffer beams on the crossbeam. The advantages are that: the supporting force of the support can be adjusted according to the vibration amplitude of different sections, so that the purpose of adjusting the vibration resistance is achieved, the relative displacement between the shear wall and the constructional column is reduced, the probability of cracking is reduced, meanwhile, the shear wall and the constructional column can be supported in a propping mode, the torque of the shear wall and the constructional column is reduced, and the compressive property of the shear wall and the constructional column is improved.
Description
Technical Field
The invention relates to the technical field of underground building earthquake resistance, in particular to an underground building earthquake-resistant supporting structure.
Background
The underground building has more strict construction requirements than the overground building, the adopted construction process is more complex than the overground building, and the underground building has more shock waves conducted by the underground building than the overground building due to the larger contact area between the underground building and the soil layer, so the earthquake resistance of the underground building is higher than that of the overground building, and besides the structural earthquake resistance requirement of the building is improved, the supporting structure is also required to reduce the amplitude of the underground building.
Through retrieval, china application number is CN201710810163.X in 2018-01-19 discloses an underground building earthquake-resistant support, which comprises an inner concrete ring layer and an outer concrete ring layer, wherein the inner concrete ring layer and the outer concrete ring layer are formed by an inner ring layer and an outer ring layer, the concrete ring layer is sleeved on the outer side of a concrete column, and the concrete ring layer sequentially comprises an inner reinforcing steel mesh layer, a concrete layer and an outer reinforcing steel mesh layer from inside to outside; barbs are respectively arranged on the end faces of one side of the inner layer reinforcing steel mesh layer and one side of the outer layer reinforcing steel mesh layer, which face the concrete layer.
The earthquake-resistant support for the underground building utilizes the outer concrete ring to absorb most soil layer vibration, and has the following defects in the specific use process:
1. because the vibration intensity that the underground construction of different sections received is different, need before outer concrete circle pours, detect the vibration intensity of this section, then carry out the adaptation intensity to the outer concrete circle and pour, because the concrete pours and can't carry out intensity adjustment after accomplishing, therefore there is certain limitation in the use.
2. Because the shear wall area in the underground building is larger, the contact area with the soil layer is larger, the vibration intensity of the shear wall is large, the vibration resistance of the shear wall is lower than that of the constructional column, the amplitude of the shear wall is different from that of the constructional column, and the probability of cracks at the joint of the shear wall and the constructional column exists.
Therefore, the novel earthquake-resistant supporting structure for the underground building can be adopted to solve the defects in the prior art.
Disclosure of Invention
The invention aims to solve the problems that the earthquake resistance cannot be adjusted and cracks are easy to occur due to different amplitudes of constructional columns and shear walls in the prior art, and provides an earthquake-resistant supporting structure for an underground building.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an underground construction seismic support structure comprising:
a column;
the main body part is a supporting main body for supporting, the main body part comprises a fixed connecting plate fixedly arranged on the upright post, a fixed sleeve is fixedly arranged on the fixed connecting plate, a cross beam is fixedly arranged on the fixed sleeve, and two first buffer beams and two second buffer beams are slidably arranged on the cross beam;
the connecting part is used for connecting the second buffer beams, a butt joint fixing plate is fixedly arranged on each of the two second buffer beams, and embedded fixing pieces are arranged on each of the two butt joint fixing plates through buffer mechanisms;
the damping part is used for damping and buffering between the first damping beam and the second damping beam, a first fixing support and a second fixing support are rotatably arranged on the first damping beam and the second damping beam, and a damping mechanism is arranged between the two first fixing supports and the second fixing support;
the adjusting part is used for adjusting the distance between the two first buffer beams and comprises a plurality of mounting plates fixedly mounted on the fixed sleeve, a plurality of adjusting screws are rotatably mounted on each mounting plate, an anti-slip mechanism is mounted between each adjusting screw and the corresponding first buffer beam, and a linkage mechanism is mounted between the plurality of adjusting screws which are matched;
the driving part is a driving source of the adjusting part, the driving part comprises a servo motor, the servo motor is fixedly connected with the fixing sleeve through a fixing frame, a driving mechanism is arranged between the servo motor and a plurality of corresponding adjusting screws, and an adjusting mechanism is arranged between the servo motor and two first buffer beams.
Preferably, the buffer mechanism comprises a butt joint plate, buffer springs, damping springs and limiting telescopic rods, wherein a plurality of limiting telescopic rods are fixedly arranged on the butt joint fixing plate, a butt joint plate is fixedly arranged on the limiting telescopic rods together, and each limiting telescopic rod is sleeved with a buffer spring which abuts against the butt joint fixing plate and the butt joint plate;
the energy conversion device comprises a butt joint plate, an energy conversion mechanism, a plurality of damping springs, a limiting structure and a pre-buried fixing piece, wherein the energy conversion mechanism is arranged between the butt joint plate and the butt joint fixing plate, the damping springs are fixedly arranged on the butt joint plate, the damping springs are fixedly connected with the pre-buried fixing piece, and the limiting structure is arranged between the butt joint plate and the pre-buried fixing piece.
Preferably, the energy conversion mechanism comprises a damping cylinder, a piston disc, a friction rubber ring, a strong magnet, damping rubber, a copper sheet and damping air holes, wherein the damping cylinder is fixedly arranged on the butt joint fixing plate, the piston disc is slidably arranged in the damping cylinder, a connecting rod is fixedly arranged on the piston disc, and the connecting rod is fixedly connected with the butt joint plate;
the piston disc is provided with an annular groove, a friction rubber ring propped against the inner wall of the damping cylinder is fixedly arranged in the annular groove, a plurality of strong magnets are fixedly arranged on the piston disc, a plurality of copper sheets matched with the corresponding strong magnets are fixedly arranged in the damping cylinder, damping rubber propped against the piston disc is fixedly arranged in the damping cylinder, and a plurality of damping air holes are formed in the damping cylinder.
Preferably, the limit structure comprises a plurality of limit expansion plates and a plurality of limit sliding rods, a plurality of limit expansion plates are fixedly arranged between the butt joint plate and the embedded fixing piece, a plurality of limit sliding rods are fixedly arranged on the embedded fixing piece, and a plurality of limit holes matched with the corresponding limit sliding rods are formed in the butt joint plate.
Preferably, the damping mechanism comprises a damping cylinder body, a damping piston rod and a damping piston, wherein the two matched first fixed brackets are jointly rotatably provided with the damping cylinder body, the damping piston is slidably arranged in the damping cylinder body, the damping piston rod is fixedly arranged on the damping piston, and the damping piston rod is rotationally connected with the corresponding two second fixed brackets.
Preferably, the anti-slip mechanism comprises a fixed block and an adjusting nut, a plurality of fixed blocks are fixedly arranged on the first buffer beam, and each fixed block is fixedly provided with an adjusting nut in threaded connection with a corresponding adjusting screw.
Preferably, the linkage mechanism comprises a rotating shaft and linkage gears, wherein a rotating shaft is fixedly arranged on each of the corresponding adjusting screws, each rotating shaft is fixedly provided with a linkage gear, and two adjacent linkage gears are meshed with each other.
Preferably, the driving mechanism comprises a transmission gear, an adjusting gear, a driving bevel gear, a linkage rod and a transmission bevel gear, the adjusting gear is fixedly arranged at the driving end of the servo motor, the linkage rod is rotatably arranged on the fixed sleeve, the transmission gear meshed with the adjusting gear is fixedly arranged on the upper portion of the linkage rod, the driving bevel gear is fixedly arranged on the lower portion of the linkage rod, the transmission bevel gear meshed with the driving bevel gear is fixedly arranged on the corresponding linkage gear, and a locking structure is arranged between the mounting plate and one of the linkage gears.
Preferably, the locking structure comprises a locking slide plate, an adjusting plate, a fixed inserting plate, a locking screw and a locking nut, wherein the locking slide plate is fixedly installed on the mounting plate, the adjusting plate is fixedly installed on the locking slide plate, the adjusting slide plate is slidably installed on the locking slide plate, the fixed inserting plate clamped with the linkage gear is fixedly installed on the adjusting slide plate, the locking nut is fixedly installed on the adjusting plate, and the locking screw matched with the locking nut is rotatably installed on the adjusting slide plate.
Preferably, the adjusting mechanism comprises a fixed square, a driving rack and a driving gear, the driving gear is fixedly arranged at the driving end of the servo motor, the fixed square is fixedly arranged on the first buffer beam, and the driving rack meshed with the driving gear is fixedly arranged on the fixed square.
Compared with the prior art, the invention has the advantages that:
1: this supporting construction is carrying out the underground construction during the shock-resistant work, can adjust the supporting force who supports according to the vibrations range in different places to reach the purpose of adjusting shock resistance, with the demand that satisfies different places, it is more convenient to use, can dismouting at any time, repetitious usage, the cost is with low costs.
2: when the support structure is used for carrying out earthquake-resistant work on an underground building, not only the constructional column can be damped, but also the shear wall can be damped, and the damping force on the shear wall and the constructional column can be adjusted according to the size of the stressed area, so that the displacement between the shear wall and the constructional column caused by vibration is reduced, the purpose of reducing the movement difference is achieved, and the probability of cracks between the shear wall and the constructional column is reduced.
3: when the support structure is used for earthquake-proof work of underground buildings, vibration kinetic energy generated on the shear wall and the constructional column is converted into friction internal energy between other objects, so that energy conversion on the shear wall and the constructional column is reduced, the service lives of the shear wall and the constructional column are prolonged, and the strength of the shear wall and the constructional column is improved.
4: when the supporting structure is used for carrying out earthquake-resistant work on an underground building, not only can the shear wall and the constructional column of the underground building be supported and damped, but also the shear wall and the constructional column can be supported in a propping mode, so that the torque of the shear wall and the constructional column is reduced, the purpose of improving the earthquake resistance of the shear wall and the constructional column is achieved, and the soil pressure resistance of the shear wall and the constructional column can be improved.
In summary, the invention can adjust the supporting force of the support according to the vibration amplitude of different sections, thereby achieving the purpose of adjusting the shock resistance, reducing the relative displacement between the shear wall and the constructional column, reducing the probability of crack generation, and simultaneously, supporting the shear wall and the constructional column in a propping way, thereby reducing the torque of the shear wall and the constructional column, and further achieving the purpose of improving the compression resistance of the shear wall and the constructional column.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic view of an earthquake-resistant supporting structure for an underground building;
FIG. 2 is a schematic detail view of the structure of FIG. 1 rotated by a certain angle;
FIG. 3 is an enlarged schematic detail view of the column and beam portions of FIG. 1;
FIG. 4 is an enlarged schematic detail view of the structure of FIG. 3 rotated by a certain angle;
FIG. 5 is an enlarged schematic detail view of the connection of FIG. 1;
FIG. 6 is an exploded enlarged schematic detail of FIG. 5;
FIG. 7 is an exploded enlarged schematic detail view of the shock tube of FIG. 6;
FIG. 8 is an enlarged schematic detail view of the buffer of FIG. 1;
FIG. 9 is an enlarged schematic detail view of the cross member, the first bumper beam, and peripheral components of FIG. 1;
FIG. 10 is an enlarged schematic detail view of the second bumper beam of FIG. 9 with the second bumper beam removed;
FIG. 11 is an enlarged schematic detail view of the structure of FIG. 10 rotated a certain angle;
FIG. 12 is an enlarged schematic detail view of the portion of the interlock mechanism of FIG. 10;
FIG. 13 is an enlarged schematic detail view of the adjustment mechanism of FIG. 10;
FIG. 14 is an enlarged schematic detail view of the adjusting screw and its peripheral components of FIG. 13;
fig. 15 is an enlarged schematic detail view of the locking slide portion of fig. 14.
In the figure: 1 upright post, 2 pre-embedded fixing pieces, 3 buffer plates, 4 fixing sleeves, 5 first buffer beams, 6 cross beams, 7 fixing connecting plates, 8 second buffer beams, 9 butt joint fixing plates, 10 butt joint plates, 11 buffer springs, 12 buffer springs, 13 limit sliding rods, 14 limit telescopic plates, 15 buffer cylinders, 16 limit telescopic rods, 17 piston discs, 18 friction rubber rings, 19 strong magnets, 20 buffer rubbers, 21 copper sheets, 22 first fixing brackets, 23 second fixing brackets, 24 buffer cylinders, 25 buffer piston rods, 26 servo motors, 27 mounting plates, 28 fixing blocks, 29 fixing brackets, 30 driving racks, 31 driving gears, 32 fixing blocks, 33 adjusting nuts, 34 adjusting screws, 35 driving gears, 36 adjusting gears, 37 driving bevel gears, 38 driving bevel gears, 39 linkage gears, 40 locking sliding plates, 41 adjusting sliding plates, 42 adjusting plates, 43 fixing inserting plates, 44 locking screws, 45 locking nuts and 46 buffer holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, an underground construction seismic support structure comprising:
a column 1;
the main body part is a supporting main body for supporting and comprises a fixed connecting plate 7 fixedly arranged on the upright 1, a fixed sleeve 4 is fixedly arranged on the fixed connecting plate 7, a cross beam 6 is fixedly arranged on the fixed sleeve 4, and two first buffer beams 5 and two second buffer beams 8 are slidably arranged on the cross beam 6;
the upright post 1, the cross beam 6, the first buffer beam 5 and the second buffer beam 8 are all made of high-quality steel, have stronger rigidity and toughness, and play a role in damping to a certain extent;
the fixing sleeve 4 and the fixing connecting plate 7 are fixed by bolts, so that the upright column 1 and the cross beam 6 can be assembled and disassembled more conveniently.
Referring to fig. 1-2 and fig. 5-7, the connecting part is used for connecting the second buffer beams 8, a butt joint fixing plate 9 is fixedly arranged on each of the two second buffer beams 8, and embedded fixing pieces 2 are arranged on each of the two butt joint fixing plates 9 through buffer mechanisms;
the embedded fixing pieces 2 are embedded in the shear wall or the constructional column in advance, and the two matched embedded fixing pieces 2 are positioned on the same horizontal line, so that the smooth butt joint of the cross beam 6 is ensured;
the buffer mechanism comprises a butt joint plate 10, a buffer spring 11, a buffer spring 12 and a limiting telescopic rod 16, wherein a plurality of limiting telescopic rods 16 are fixedly arranged on the butt joint fixing plate 9, a butt joint plate 10 is fixedly arranged on the limiting telescopic rods 16 together, and each limiting telescopic rod 16 is sleeved with a buffer spring 11 which abuts against the butt joint fixing plate 9 and the butt joint plate 10;
along with the vibration of soil layer, can drive pre-buried mounting 2 together vibrations, slow down the conduction of vibration wave through damping spring 12 and damping spring 11 to play the effect of buffering, damping spring 11 and damping spring 12 compress simultaneously and can produce deformation, thereby with the partial kinetic energy conversion that shakes formation become internal energy, play certain cushioning effect.
An energy conversion mechanism is arranged between the butt joint plate 10 and the butt joint fixing plate 9, a plurality of damping springs 12 are fixedly arranged on the butt joint plate 10, the damping springs 12 are fixedly connected with the embedded fixing piece 2, and a limiting structure is arranged between the butt joint plate 10 and the embedded fixing piece 2;
the energy conversion mechanism comprises a damping cylinder 15, a piston disc 17, a friction rubber ring 18, a strong magnet 19, damping rubber 20, a copper sheet 21 and damping air holes 46, wherein the damping cylinder 15 is fixedly arranged on the butt joint fixing plate 9, the piston disc 17 is slidably arranged in the damping cylinder 15, a connecting rod is fixedly arranged on the piston disc 17, and the connecting rod is fixedly connected with the butt joint plate 10;
an annular groove is formed in the piston disc 17, a friction rubber ring 18 propped against the inner wall of the damping cylinder 15 is fixedly arranged in the annular groove, a plurality of strong magnets 19 are fixedly arranged on the piston disc 17, a plurality of copper sheets 21 matched with the corresponding strong magnets 19 are fixedly arranged in the damping cylinder 15, a damping rubber 20 propped against the piston disc 17 is fixedly arranged in the damping cylinder 15, and a plurality of damping air holes 46 are formed in the damping cylinder 15;
the abutting fixed plate 9 moves to drive the damping cylinder 15 to move, so that the piston disc 17 moves in the damping cylinder 15, and the movement enables the friction rubber ring 18 and the damping cylinder 15 to generate friction internal energy, so that vibration kinetic energy is converted into internal energy, the purpose of damping is achieved, and the vibration amplitude of the shear wall and the constructional column is reduced;
the distance between the strong magnet 19 and the copper sheet 21 is reduced or enlarged along with the movement of the piston disc 17, the attractive force between the strong magnet 19 and the copper sheet 21 is changed along with the movement of the piston disc, the damping effect is achieved, and the pressure in the damping cylinder 15 is balanced by matching the damping air holes 46, so that repeated damping is performed for a plurality of times.
The limiting structure comprises a plurality of limiting telescopic plates 14 and a plurality of limiting sliding rods 13, wherein the plurality of limiting telescopic plates 14 are fixedly arranged between the abutting plate 10 and the embedded fixing piece 2, the plurality of limiting sliding rods 13 are fixedly arranged on the embedded fixing piece 2, and a plurality of limiting holes matched with the corresponding limiting sliding rods 13 are formed in the abutting plate 10;
the pre-buried mounting 2 removes and can drive spacing slide bar 13 and remove in spacing spout, and frictional force can offset partial kinetic energy, and spacing expansion plate 14 and spacing slide bar 13 can ensure the butt joint board 10 horizontal migration simultaneously, prevent that the butt joint board 10 from deflecting and producing moment of torsion, cause damping spring 12 slope, protect damping spring 12.
Referring to fig. 1-2 and 8, a buffer part is used for damping and buffering between a first buffer beam 5 and a second buffer beam 8, a first fixed bracket 22 and a second fixed bracket 23 are rotatably installed on the first buffer beam 5 and the second buffer beam 8, and a damping mechanism is installed between the two first fixed brackets 22 and the second fixed bracket 23;
the damping mechanism comprises a damping cylinder 24, a damping piston rod 25 and damping pistons, wherein one damping cylinder 24 is mounted on the two matched first fixed brackets 22 in a co-rotating manner, the damping pistons are mounted in the damping cylinder 24 in a sliding manner, the damping piston rod 25 is fixedly mounted on the damping pistons, and the damping piston rod 25 is in rotary connection with the two corresponding second fixed brackets 23;
along with the generation of vibration, the butt joint fixing plate 9 is driven to move, so that the second buffer beam 8 is driven to move, the distance between the second buffer beam 8 and the corresponding first buffer beam 5 is changed, at the moment, the first fixing support 22 and the second fixing support 23 rotate, and the lengths of the first fixing support 22 and the second fixing support 23 are different, so that the rotation angles of the first fixing support 22 and the second fixing support 23 are different, at the moment, the damping piston is driven to slide in the damping cylinder body 24 through the damping piston rod 25, friction is generated by sliding, kinetic energy is further counteracted, and a damping effect is achieved;
the vibration kinetic energy generated on the shear wall and the constructional column is converted into the friction internal energy between other objects, so that the energy conversion on the shear wall and the constructional column is reduced, the service lives of the shear wall and the constructional column are prolonged, and the strength of the shear wall and the constructional column is improved.
1-2, 9-11 and 13-15, an adjusting part is used for adjusting the distance between two first buffer beams 5, the adjusting part comprises a plurality of mounting plates 27 fixedly mounted on a fixed sleeve 4, each mounting plate 27 is rotatably provided with a plurality of adjusting screws 34, an anti-skid mechanism is mounted between each adjusting screw 34 and the corresponding first buffer beam 5, and a linkage mechanism is mounted between the plurality of adjusting screws 34 matched with each adjusting screw;
the anti-skid mechanism comprises fixed blocks 32 and adjusting nuts 33, a plurality of fixed blocks 32 are fixedly arranged on the first buffer beam 5, and each fixed block 32 is fixedly provided with an adjusting nut 33 which is in threaded connection with a corresponding adjusting screw 34;
in order to prevent the above-mentioned pressing force from excessively pushing the adjusting nut 33 to rotate the adjusting screw 34, the position of the adjusting slide 41 is adjusted by rotating the locking screw 44 under the action of the locking nut 45, so that the fixing insert plate 43 on the adjusting slide 41 is clamped into the corresponding interlocking gear 39 to limit and fix the interlocking gear 39, thus the pressing force is excessively large, the adjusting screw 34 cannot be rotated, and the stability is higher
The linkage mechanism comprises a rotating shaft and linkage gears 39, wherein a rotating shaft is fixedly arranged on each of the corresponding plurality of adjusting screws 34, each rotating shaft is fixedly provided with one linkage gear 39, and two adjacent linkage gears 39 are meshed;
the cooperating interlocking gears 39 can drive the adjusting screws 34 to rotate simultaneously, and the adjusting screws 34 cooperate with the corresponding adjusting nuts 33 to adjust the distance between the two first buffer beams 5.
The driving mechanism comprises a transmission gear 35, an adjusting gear 36, a driving bevel gear 37, a linkage rod and a transmission bevel gear 38, wherein the adjusting gear 36 is fixedly arranged at the driving end of the servo motor 26, the linkage rod is rotatably arranged on the fixed sleeve 4, the transmission gear 35 meshed with the adjusting gear 36 is fixedly arranged at the upper part of the linkage rod, the driving bevel gear 37 is fixedly arranged at the lower part of the linkage rod, the transmission bevel gear 38 meshed with the driving bevel gear 37 is fixedly arranged on the corresponding linkage gear 39, and a locking structure is arranged between the mounting plate 27 and one of the linkage gears 39;
the servo motor 26 is started, the driving end of the servo motor drives the adjusting gear 36 to rotate, so that the transmission gear 35 meshed with the adjusting gear 36 is driven to rotate, the transmission gear 35 drives the linkage rod to rotate, so that the driving bevel gear 37 is driven to rotate, the driving bevel gear 38 is driven to rotate through the driving bevel gear 37, so that the linkage gear 39 fixedly connected with the driving bevel gear 38 is driven to rotate, and the matched adjusting screw 34 is driven to rotate;
because the second buffer beam 8 can prop against the first buffer beam 5, the first buffer beam 5 can be fixed under the action of the adjusting nuts 33 and the adjusting screws 34, and the functions of the adjusting nuts 33 and the adjusting screws 34 are adopted to disperse the propping force, so that the purpose of prolonging the service life is achieved;
along with the change of the distance between the two first buffer beams 5, the deformation amounts of the buffer springs 12 and 11 are also changed, and the elasticity is also changed, so that the elasticity is adjusted, and the vibration strength can be adjusted according to the vibration strength;
the structure not only can support and damp the shear wall and the constructional column of the underground building, but also can support the shear wall and the constructional column in a propping way, so that the torque of the shear wall and the constructional column is reduced, the aim of improving the anti-seismic performance of the shear wall and the constructional column is fulfilled, and the soil-resistant layer pressure performance of the shear wall and the constructional column can be improved;
the structure not only can absorb shock on the constructional column, but also can absorb shock on the shear wall, and the shock absorption force on the shear wall and the constructional column can be adjusted according to the size of the stress area, so that the displacement between the shear wall and the constructional column caused by vibration is reduced, the purpose of reducing the movement difference is achieved, and the probability of cracks between the shear wall and the constructional column is reduced.
The locking structure comprises a locking slide plate 40, an adjusting slide plate 41, an adjusting plate 42, a fixing insert plate 43, a locking screw 44 and a locking nut 45, wherein the locking slide plate 40 is fixedly installed on the mounting plate 27, the adjusting plate 42 is fixedly installed on the locking slide plate 40, the adjusting slide plate 41 is slidingly installed on the locking slide plate 40, the fixing insert plate 43 clamped with the linkage gear 39 is fixedly installed on the adjusting slide plate 41, the locking nut 45 is fixedly installed on the adjusting plate 42, and the locking screw 44 matched with the locking nut 45 is rotatably installed on the adjusting slide plate 41.
Referring to fig. 1-2 and 9-12, the driving part is a driving source of the adjusting part, the driving part comprises a servo motor 26, the servo motor 26 is fixedly connected with the fixed sleeve 4 through a fixed frame 29, a driving mechanism is arranged between the servo motor 26 and a plurality of corresponding adjusting screws 34, and an adjusting mechanism is arranged between the servo motor 26 and two first buffer beams 5;
the adjusting mechanism comprises a fixed square 28, a driving rack 30 and a driving gear 31, the driving gear 31 is fixedly arranged at the driving end of the servo motor 26, the fixed square 28 is fixedly arranged on the first buffer beam 5, and the driving rack 30 meshed with the driving gear 31 is fixedly arranged on the fixed square 28;
the driving end of the servo motor 26 rotates to drive the driving gear 31 to rotate, so that the driving rack 30 meshed with the driving gear 31 is driven to move, the purpose of adjusting the distance between the two first buffer beams 5 is achieved, and the distance between the two first buffer beams 5 is adjusted more stably by matching with the use of the adjusting screw 34 and the adjusting nut 33.
The specific operation steps of the invention are as follows:
and (3) installation and adjustment: the driving end of the servo motor 26 rotates to drive the driving gear 31 to rotate so as to drive the driving rack 30 meshed with the driving gear 31 to move, thereby achieving the purpose of adjusting the distance between the two first buffer beams 5;
then the embedded fixing piece 2 is butted with the limiting expansion plate 14 and can be connected in a welding mode;
the servo motor 26 is started, the driving end of the servo motor drives the adjusting gear 36 to rotate, so that the driving gear 35 meshed with the adjusting gear 36 is driven to rotate, the driving gear 35 drives the linkage rod to rotate, so that the driving bevel gear 37 is driven to rotate, the driving bevel gear 38 is driven to rotate through the driving bevel gear 37, so that the linkage gear 39 fixedly connected with the driving bevel gear 38 is driven to rotate, the adjusting screw 34 fixedly connected with the linkage gear 39 is driven to rotate, the other adjusting screws 34 can be driven to synchronously rotate by being matched with the use of the linkage gear 39, the adjusting screw 34 is matched with the use of the adjusting nut 33, and the adjusting nut 33 is driven to move, so that the distance between the two first buffer beams 5 is adjusted;
because the second buffer beam 8 can prop against the first buffer beam 5, the first buffer beam 5 can be fixed under the action of the adjusting nuts 33 and the adjusting screws 34, and the functions of the adjusting nuts 33 and the adjusting screws 34 are adopted to disperse the propping force, so that the purpose of prolonging the service life is achieved;
along with the change of the distance between the two first buffer beams 5, the deformation amounts of the buffer springs 12 and 11 are changed, and the elasticity is also changed, so that the elasticity is adjusted, and the shock resistance is convenient to be carried out according to the vibration strength;
damping: along with the generation of vibration, the butt joint fixing plate 9 is driven to move, so that the second buffer beam 8 is driven to move, the distance between the second buffer beam 8 and the corresponding first buffer beam 5 is changed, at the moment, the first fixing support 22 and the second fixing support 23 rotate, and the lengths of the first fixing support 22 and the second fixing support 23 are different, so that the rotation angles of the first fixing support 22 and the second fixing support 23 are different, at the moment, the damping piston is driven to slide in the damping cylinder 24 through the damping piston rod 25, friction is generated by sliding, kinetic energy is further counteracted, and a damping effect is achieved;
the vibration kinetic energy generated on the shear wall and the constructional column is converted into the friction internal energy between other objects, so that the energy conversion on the shear wall and the constructional column is reduced, the service lives of the shear wall and the constructional column are prolonged, and the strength of the shear wall and the constructional column is improved;
the abutting fixed plate 9 moves to drive the damping cylinder 15 to move, so that the piston disc 17 moves in the damping cylinder 15, and the movement enables the friction rubber ring 18 and the damping cylinder 15 to generate friction internal energy, so that vibration kinetic energy is converted into internal energy, the purpose of damping is achieved, and the vibration amplitude of the shear wall and the constructional column is reduced;
with the movement of the piston disc 17, the distance between the strong magnet 19 and the copper sheet 21 is reduced or enlarged, the attractive force between the strong magnet 19 and the copper sheet 21 is changed along with the distance, the damping effect is achieved, and the pressure in the damping cylinder 15 is balanced by matching with the damping air holes 46, so that repeated damping is performed for many times;
along with the vibration of soil layer, can drive pre-buried mounting 2 together vibrations, slow down the conduction of vibration wave through damping spring 12 and damping spring 11 to play the effect of buffering, damping spring 11 and damping spring 12 compress simultaneously and can produce deformation, thereby with the partial kinetic energy conversion that shakes formation become internal energy, play certain cushioning effect.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. An underground construction seismic support structure, comprising:
a column (1);
the main body part is a supporting main body for supporting, the main body part comprises a fixed connecting plate (7) fixedly installed on the upright post (1), a fixed sleeve (4) is fixedly installed on the fixed connecting plate (7), a cross beam (6) is fixedly installed on the fixed sleeve (4), and two first buffer beams (5) and two second buffer beams (8) are slidably installed on the cross beam (6);
the connecting part is used for connecting the second buffer beams (8), a butt joint fixing plate (9) is fixedly arranged on each of the two second buffer beams (8), and pre-buried fixing pieces (2) are arranged on each of the two butt joint fixing plates (9) through buffer mechanisms;
the damping part is used for damping and buffering between the first damping beam (5) and the second damping beam (8), a first fixed support (22) and a second fixed support (23) are rotatably arranged on the first damping beam (5) and the second damping beam (8), and a damping mechanism is arranged between the two first fixed supports (22) and the second fixed support (23);
the adjusting part is used for adjusting the distance between the two first buffer beams (5), the adjusting part comprises a plurality of mounting plates (27) fixedly mounted on the fixed sleeve (4), a plurality of adjusting screws (34) are rotatably mounted on each mounting plate (27), an anti-slip mechanism is mounted between each adjusting screw (34) and the corresponding first buffer beam (5), and a linkage mechanism is mounted between the plurality of adjusting screws (34) which are matched;
the driving part is a driving source of the adjusting part, the driving part comprises a servo motor (26), the servo motor (26) is fixedly connected with the fixed sleeve (4) through a fixed frame (29), a driving mechanism is arranged between the servo motor (26) and a plurality of corresponding adjusting screws (34), and an adjusting mechanism is arranged between the servo motor (26) and two first buffer beams (5).
2. The underground building earthquake-resistant supporting structure according to claim 1, wherein the buffer mechanism comprises a butt joint plate (10), buffer springs (11), damping springs (12) and limiting telescopic rods (16), a plurality of limiting telescopic rods (16) are fixedly arranged on the butt joint fixing plate (9), a butt joint plate (10) is fixedly arranged on the limiting telescopic rods (16), and each buffer spring (11) propped against the butt joint fixing plate (9) and the butt joint plate (10) is sleeved on each limiting telescopic rod (16);
install energy conversion mechanism between butt joint board (10) and butt joint fixed plate (9), fixedly mounted with a plurality of damping springs (12) on butt joint board (10), a plurality of be fixed connection between damping springs (12) and pre-buried mounting (2), install limit structure between butt joint board (10) and pre-buried mounting (2).
3. The underground building earthquake-resistant supporting structure according to claim 2, wherein the energy conversion mechanism comprises a damper cylinder (15), a piston disc (17), a friction rubber ring (18), a strong magnet (19), damping rubber (20), a copper sheet (21) and damping air holes (46), the damper cylinder (15) is fixedly arranged on the butt joint fixing plate (9), the piston disc (17) is slidably arranged in the damper cylinder (15), and a connecting rod is fixedly arranged on the piston disc (17) and fixedly connected with the butt joint plate (10);
an annular groove is formed in the piston disc (17), a friction rubber ring (18) propped against the inner wall of the damping cylinder (15) is fixedly installed in the annular groove, a plurality of strong magnets (19) are fixedly installed on the piston disc (17), a plurality of copper sheets (21) matched with the corresponding strong magnets (19) are fixedly installed in the damping cylinder (15), damping rubber (20) propped against the piston disc (17) is fixedly installed in the damping cylinder (15), and a plurality of damping air holes (46) are formed in the damping cylinder (15).
4. The underground building earthquake-resistant supporting structure according to claim 2, wherein the limiting structure comprises a plurality of limiting telescopic plates (14) and a plurality of limiting sliding rods (13), a plurality of limiting telescopic plates (14) are fixedly installed between the abutting plate (10) and the embedded fixing piece (2), a plurality of limiting sliding rods (13) are fixedly installed on the embedded fixing piece (2), and a plurality of limiting holes matched with the corresponding limiting sliding rods (13) are formed in the abutting plate (10).
5. The underground building earthquake-resistant supporting structure according to claim 1, wherein the damping mechanism comprises a damping cylinder body (24), a damping piston rod (25) and damping pistons, the two matched first fixing brackets (22) are rotatably provided with the damping cylinder body (24) together, the damping pistons are slidably arranged in the damping cylinder body (24), the damping piston rod (25) is fixedly arranged on the damping pistons, and the damping piston rod (25) is rotatably connected with the corresponding two second fixing brackets (23).
6. An underground construction seismic support structure according to claim 1, wherein the anti-slip mechanism comprises a fixed block (32) and an adjusting nut (33), wherein a plurality of fixed blocks (32) are fixedly arranged on the first buffer beam (5), and each fixed block (32) is fixedly provided with an adjusting nut (33) in threaded connection with a corresponding adjusting screw (34).
7. The underground building earthquake-resistant supporting structure according to claim 1, wherein the linkage mechanism comprises a rotating shaft and linkage gears (39), wherein a rotating shaft is fixedly arranged on each of the corresponding plurality of adjusting screws (34), each rotating shaft is fixedly provided with one linkage gear (39), and two adjacent linkage gears (39) are meshed.
8. The underground building earthquake-resistant supporting structure according to claim 7, wherein the driving mechanism comprises a transmission gear (35), an adjusting gear (36), a driving bevel gear (37), a linkage rod and a transmission bevel gear (38), the adjusting gear (36) is fixedly arranged at the driving end of the servo motor (26), the linkage rod is rotatably arranged on the fixed sleeve (4), the transmission gear (35) meshed with the adjusting gear (36) is fixedly arranged at the upper part of the linkage rod, the driving bevel gear (37) is fixedly arranged at the lower part of the linkage rod, the transmission bevel gear (38) meshed with the driving bevel gear (37) is fixedly arranged on the corresponding linkage gear (39), and a locking structure is arranged between the mounting plate (27) and one of the linkage gears (39).
9. The underground building earthquake-resistant supporting structure according to claim 8, wherein the locking structure comprises a locking slide plate (40), an adjusting slide plate (41), an adjusting plate (42), a fixing insert plate (43), a locking screw (44) and a locking nut (45), wherein the locking slide plate (40) is fixedly installed on the mounting plate (27), the adjusting plate (42) is fixedly installed on the locking slide plate (40), the adjusting slide plate (41) is slidably installed on the locking slide plate (40), the fixing insert plate (43) clamped with the linkage gear (39) is fixedly installed on the adjusting slide plate (41), the locking nut (45) is fixedly installed on the adjusting slide plate (42), and the locking screw (44) matched with the locking nut (45) is rotatably installed on the adjusting slide plate (41).
10. The underground building earthquake-resistant supporting structure according to claim 1, wherein the adjusting mechanism comprises a fixed block (28), a driving rack (30) and a driving gear (31), the driving gear (31) is fixedly arranged on the driving end of the servo motor (26), the fixed block (28) is fixedly arranged on the first buffer beam (5), and the driving rack (30) meshed with the driving gear (31) is fixedly arranged on the fixed block (28).
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| CN202311696565.3A CN117386041B (en) | 2023-12-12 | 2023-12-12 | Underground building anti-seismic supporting structure |
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| CN202311696565.3A CN117386041B (en) | 2023-12-12 | 2023-12-12 | Underground building anti-seismic supporting structure |
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