CN114508184A - Energy-consuming type double-limb shear swing wall - Google Patents

Energy-consuming type double-limb shear swing wall Download PDF

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Publication number
CN114508184A
CN114508184A CN202210246415.1A CN202210246415A CN114508184A CN 114508184 A CN114508184 A CN 114508184A CN 202210246415 A CN202210246415 A CN 202210246415A CN 114508184 A CN114508184 A CN 114508184A
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China
Prior art keywords
cylinder
fixed
wall
shear
concrete foundation
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Granted
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CN202210246415.1A
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Chinese (zh)
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CN114508184B (en
Inventor
刘兢兢
赖伟
吴体
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Sichuan Institute of Building Research
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Sichuan Institute of Building Research
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Priority to CN202210246415.1A priority Critical patent/CN114508184B/en
Priority claimed from CN202210246415.1A external-priority patent/CN114508184B/en
Publication of CN114508184A publication Critical patent/CN114508184A/en
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Publication of CN114508184B publication Critical patent/CN114508184B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/388Separate connecting elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

Abstract

The invention relates to the field of constructional engineering, and particularly discloses an energy-consuming type double-limb shear swing wall which comprises a concrete foundation and a plurality of shear wall plates, wherein the concrete foundation is provided with a plurality of fixing seats; prestressed tendons are vertically arranged inside two sides of the shear wall plate, a plurality of cavities which are coaxial with the prestressed tendons are formed inside the concrete foundation, a fixed cylinder is arranged in each cavity, a plurality of guide grooves are vertically formed in the inner wall of the fixed cylinder, an adjusting cylinder is rotatably connected in each fixed cylinder, a plurality of arc-shaped grooves which are uniformly distributed are formed in the side wall of each adjusting cylinder, and a connecting device detachably connected with the bottoms of the prestressed tendons is arranged inside each adjusting cylinder; a plurality of connecting shafts are fixed on the periphery of the connecting device, and the connecting shafts penetrate through the corresponding arc-shaped grooves to be in sliding connection with the corresponding guide grooves; the invention aims to solve the problem that the initial rigidity of the swing wall is lost due to the fact that the pretension rib is loosened after the conventional swing wall is subjected to the reciprocating action of an earthquake.

Description

Energy-consuming type double-limb shear swing wall
Technical Field
The invention relates to the technical field of constructional engineering, and particularly discloses an energy-consuming type double-limb shear swing wall.
Background
The swinging wall is a wall body which can rotate around the bottom of the swinging wall in a limited way, when the structure is damaged due to overlarge external action, external force can be dispersed or eliminated through the limited swinging of the swinging wall, and the swinging wall is reset under the action of the prestressed reinforcement after the external action is finished; however, due to the influence of the earthquake action on reciprocating loading, the pre-stressed tendons deform continuously, so that the pre-stressed tendons are loosened, the swing wall cannot be completely reset, and the swing wall loses the initial rigidity.
Disclosure of Invention
The invention aims to provide an energy-consuming type double-limb shear swing wall, which aims to solve the problem that the original rigidity of the swing wall is lost due to the fact that pre-tension ribs are loosened after the conventional swing wall is subjected to the reciprocating action of an earthquake.
In order to achieve the purpose, the basic scheme of the invention is as follows:
an energy-consuming type double-limb shear swing wall comprises a concrete foundation and a plurality of shear wall plates, wherein the concrete foundation is provided with a plurality of fixing seats, the shear wall plates are hinged on the fixing seats, and an energy-consuming device is arranged between the fixing seats and the concrete foundation; prestressed tendons are vertically arranged inside two sides of the shear wall plate, a plurality of cavities which are coaxial with the prestressed tendons are formed inside the concrete foundation, a hollow fixed cylinder is arranged in each cavity, a plurality of guide grooves which are uniformly distributed are vertically formed in the inner wall of each fixed cylinder, an adjusting cylinder is rotatably connected in each fixed cylinder, a plurality of arc-shaped grooves which are uniformly distributed are formed in the side wall of each adjusting cylinder, each arc-shaped groove is spiral, and a connecting device is arranged inside each adjusting cylinder and detachably connected with the bottoms of the prestressed tendons; the connecting device is characterized in that a plurality of connecting shafts are fixed on the peripheral sides of the connecting devices, the connecting shafts penetrate through the corresponding arc-shaped grooves and are in sliding connection with the corresponding guide grooves, and locking devices are arranged in the guide grooves.
In the scheme, under the influence of an earthquake, the shear wall plate swings with the fixed seat as a circle center, continuously stretches the prestressed tendons on two sides, and consumes energy through the energy consumption device; after the earthquake is finished, the shear wall board resets under the stretching of the prestressed tendons, the rigidity of the shear wall board is improved through the prestressed tendons, and the shear wall board is prevented from swinging in a normal state; in this process, the prestressing tendons relaxes gradually, can't improve rigidity for the shear force wallboard, at this moment, through the forward rotation regulation section of thick bamboo, because the connecting axle with correspond guide slot sliding connection, the cooperation through arc wall and connecting axle makes the connecting axle vertical lapse when adjusting a section of thick bamboo forward rotation, the connecting axle then drives connecting device downstream, thereby stretch-draw prestressing tendons, and pin the connecting axle through locking device, play the effect of adjusting prestressing tendons prestressing force, ensure that the prestressing tendons can stretch the shear force wallboard and reset, and provide sufficient rigidity for the shear force wallboard through the prestressing tendons, prevent that the shear force wallboard from swinging under the normality. In conclusion, in this scheme, the prestressing force size of prestressing tendons is adjusted to accessible actual conditions, ensures that prestressing tendons can stretch the shear force wallboard and reset to provide sufficient rigidity for the shear force wallboard through prestressing tendons, and in this scheme only need can adjust prestressing tendons through the rotation regulation section of thick bamboo, the regulation mode is simple swift.
Optionally, the connecting device includes a mounting seat and a hollow supporting cylinder, the connecting shaft is fixed on the periphery of the supporting cylinder, the outer diameter of the supporting cylinder is equal to the inner diameter of the adjusting cylinder, a plurality of clamping blocks distributed in a circular array are hinged on the periphery of the top of the supporting cylinder, torsion springs are arranged at the hinged positions, opposite ends of the clamping blocks face the center of the supporting table, and the other ends of the clamping blocks are flush with the outer wall of the supporting cylinder; the bottom of the prestressed tendon is fixedly connected with an installation seat, and the installation seat is arranged in the support cylinder; the top of the shear wall plate is detachably connected with a clamp used for clamping prestressed tendons.
In the scheme, when the prestressed tendon is installed, the adjusting cylinder is rotated reversely, the adjusting cylinder drives the supporting cylinder to move upwards through structures such as a connecting shaft and the like until a clamping block at the top end of the supporting cylinder extends out of the supporting cylinder, the clamping block is opened under the action of the torsion spring, the mounting seat and the bottom of the prestressed tendon are placed inside the supporting cylinder, then the adjusting cylinder is rotated reversely, the adjusting cylinder drives the supporting cylinder to move downwards through the connecting shaft, the clamping block is extruded through the inner wall of the adjusting cylinder, the mounting seat is limited by the clamping block, and the top of the prestressed tendon is fixed with the clamp; at the moment, the supporting cylinder continuously moves downwards, the supporting cylinder pushes the mounting seat to move downwards through the clamping block, the mounting seat drives the bottom of the prestressed tendon to synchronously move downwards, and the prestressed tendon is stretched by matching with the clamp, so that the effect of adjusting the prestressed tendon is achieved.
When the prestressed tendon is broken or is in loose transition and cannot be adjusted, only the adjusting cylinder needs to be rotated reversely, the adjusting cylinder drives the supporting cylinder to move upwards through structures such as the connecting shaft, the clamping block at the top end of the supporting cylinder extends out of the supporting cylinder, the clamping block is opened under the action of the torsion spring, the prestressed tendon and the mounting seat can be taken out, and the prestressed tendon can be replaced conveniently.
Optionally, the fixing seat comprises connecting plates which are symmetrically arranged and fixedly connected with the concrete foundation, a rotating shaft is rotatably connected between the connecting plates, the shear wall plate is fixedly connected with the rotating shaft, and an arc-shaped toothed plate is arranged at the bottom of the shear wall plate; the energy dissipation device comprises an energy dissipation cylinder horizontally rotating inside the concrete foundation, a transmission gear meshed with the toothed plate is fixedly connected to the outer wall of the energy dissipation cylinder, a partition plate is fixed to the middle of the energy dissipation cylinder, and a plurality of connecting grooves which are spirally distributed are formed in two ends of the inner wall of the energy dissipation cylinder; the power consumption section of thick bamboo both ends all are fixed with the apron, all seal up between apron and the division board and have hydraulic oil, equal sliding connection has the hydraulic pressure axle of coaxial line on the apron, and the opposite of hydraulic pressure axle is served and all is fixed with the hydraulic pressure board, and hydraulic pressure board week all is fixed with a plurality of drive shafts that stretch into corresponding spread groove all around, the opposite end and the concrete foundation sliding connection of hydraulic pressure axle, and be fixed with the guide block on the opposite end of hydraulic pressure axle, be provided with the guide way that corresponds on the concrete foundation.
Under the action of an earthquake, the shear wall plate swings with the rotating shaft as a circle center, the shear wall plate drives the transmission gear to rotate through the arc-shaped toothed plate when swinging, the transmission gear drives the energy consumption cylinder to rotate when rotating, the hydraulic shaft is limited to only horizontally slide due to the matching of the guide groove and the guide block and cannot rotate, the energy consumption cylinder passes through the matching between the connecting groove in the inner wall and the driving shaft at the moment, so that the hydraulic plate and the connecting shaft are driven to horizontally move, the hydraulic plate is extruded through hydraulic oil when moving, the hydraulic energy consumption effect is achieved, the kinetic energy of the shear wall plate is reduced, the swinging stroke of the shear wall plate is reduced, the stretching of the shear wall plate on the prestressed tendons is reduced, the relaxation rate of the prestressed tendons is reduced, and the service life of the prestressed tendons is prolonged.
Optionally, the locking device includes a plurality of limit pins, a plurality of chutes distributed at equal intervals are formed on both sides of the guide slot, the limit pins are horizontally slidably connected in the corresponding chutes, reset elastic members are respectively arranged between the limit pins and the chutes, opposite ends of adjacent limit pins abut against each other, and upper end surfaces of the opposite ends of the limit pins are arc-shaped; and an extrusion block is vertically arranged in the guide groove.
When the tension of the prestressed tendon is reduced, the supporting cylinder and the mounting seat are driven to move downwards through the forward rotation adjusting cylinder, the prestressed tendon is stretched, the supporting cylinder at the moment drives the connecting shaft to vertically extrude an arc-shaped surface of the limiting pin, the limiting pin slides into the sliding groove, the connecting shaft downwards passes through the limiting pin, after the connecting shaft passes through the limiting pin, the limiting pin slides out of the sliding groove under the action of the reset elastic piece, the limiting pin is abutted against the connecting shaft, the limiting shaft is prevented from sliding upwards, the supporting cylinder and the mounting seat are limited from sliding upwards, and therefore the stretching effect on the bottom of the prestressed tendon is kept; when the prestressed tendons need to be replaced, the extrusion block is inserted into the guide groove, the extrusion block extrudes the limiting pin into the sliding groove again, the connecting shaft is loosened, and the reverse rotation adjusting cylinder can drive the supporting table and the mounting seat to normally move upwards at the moment.
Optionally, the upper surface of the mounting seat is provided with a pressure sensor.
The pressure between the mounting seat and the clamping block can be monitored at any time through the pressure sensor, so that the tension of the prestressed tendon can be monitored, the tension of the prestressed tendon can be conveniently adjusted in time, and the prestressed tendon is ensured to keep enough tension.
Optionally, a damper is detachably connected between adjacent shear wall plates.
The damper is used for dissipating energy and damping, so that stress of connection points between the shear wall plates is reduced, and the shear wall plates are prevented from being broken.
Optionally, the bottom height of the shear wall plate is gradually reduced from two ends to the middle.
The bottom height of the shear wall board is gradually reduced from two ends to the middle, so that the collision between the bottom height of the shear wall board and the concrete foundation can be avoided when the skirts on two sides of the shear wall board swing, and the damage to the skirts of the shear wall board is prevented
Optionally, a fixing shaft extending into the concrete foundation is fixed on the periphery of the fixing cylinder, and the fixing shaft is in a T shape.
The connection stability between the fixed cylinder and the concrete foundation is enhanced through the fixed shaft.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a longitudinal cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is an enlarged schematic view at B of FIG. 2;
FIG. 5 is a schematic structural diagram of a fixing cylinder according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an adjusting cylinder and a supporting cylinder according to an embodiment of the present invention;
fig. 7 is a horizontal cross-sectional view of an energy dissipating cartridge in an embodiment of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the concrete foundation comprises a concrete foundation 1, a shear wall plate 2, a prestressed tendon 3, a fixed cylinder 4, a guide groove 5, an adjusting cylinder 6, an arc-shaped groove 7, a connecting shaft 8, a supporting cylinder 9, a mounting seat 10, a clamping block 11, a clamp 12, a connecting plate 13, a rotating shaft 14, a toothed plate 15, an energy consumption cylinder 16, a transmission gear 17, a separation plate 18, a cover plate 19, a hydraulic shaft 20, a hydraulic plate 21, a connecting groove 22, a driving shaft 23, a limiting pin 24, an extrusion block 25, a pressure sensor 26, a damper 27, a guide block 28, a fixed shaft 29 and a reset elastic piece 30.
Examples
As shown in fig. 1, 2, 3, 4, 5, 6 and 7:
an energy-consuming type double-limb shear swing wall comprises a concrete foundation 1 and a plurality of shear wall plates 2, wherein the concrete foundation 1 is provided with a plurality of fixing seats, the shear wall plates 2 are hinged on the fixing seats, and energy-consuming devices are arranged between the fixing seats and the concrete foundation 1; the shear wall plate 2 is vertically provided with prestressed tendons 3 inside two sides, a plurality of cavities coaxial with the prestressed tendons 3 are formed inside the concrete foundation 1, a hollow fixed cylinder 4 is arranged in each cavity, a plurality of guide grooves 5 uniformly distributed are vertically formed in the inner wall of the fixed cylinder 4, an adjusting cylinder 6 is rotatably connected in each fixed cylinder 4, a plurality of arc-shaped grooves 7 uniformly distributed are formed in the side wall of each adjusting cylinder 6, each arc-shaped groove 7 is spiral, and a connecting device is arranged inside each adjusting cylinder 6 and detachably connected with the bottom of each prestressed tendon 3; a plurality of connecting shafts 8 are fixed on the periphery of the connecting device, the connecting shafts 8 penetrate through the corresponding arc-shaped grooves 7 to be connected with the corresponding guide grooves 5 in a sliding mode, and locking devices are arranged in the guide grooves 5.
In the scheme, under the influence of an earthquake, the shear wall plate 2 swings with the fixed seat as a circle center, continuously stretches the prestressed tendons 3 on two sides, and consumes energy through an energy consumption device; after the earthquake is finished, the shear wall plate 2 is reset under the stretching of the prestressed tendons 3, the rigidity of the shear wall plate 2 is improved through the prestressed tendons 3, and the shear wall plate 2 is prevented from swinging in a normal state; in this process, prestressing tendons 3 relaxes gradually, can't improve rigidity for shear force wallboard 2, at this moment, through forward rotation regulation section of thick bamboo 6 (can adopt motor drive, also can adopt artifical pivoted mode), because connecting axle 8 with correspond guide slot 5 sliding connection, through the cooperation of arc wall 7 with connecting axle 8 when adjusting section of thick bamboo 6 forward rotation messenger connecting axle 8 vertical lapse, connecting axle 8 then drives connecting device downstream, thereby stretch-draw prestressing tendons 3, and pin connecting axle 8 through locking device, play the effect of adjusting prestressing tendons 3 prestressing force, ensure that prestressing tendons 3 can stretch shear force wallboard 2 and reset, and provide sufficient rigidity for shear force wallboard 2 through prestressing tendons 3, prevent that shear force wallboard 2 from swinging under the normal state. In conclusion, in this scheme, the prestressing force size of prestressing tendons 3 can be adjusted to the accessible actual conditions, ensures that prestressing tendons 3 can stretch shear force wallboard 2 and reset to provide sufficient rigidity for shear force wallboard 2 through prestressing tendons 3, and only need in this scheme can adjust prestressing tendons 3 through rotary adjusting cylinder 6, and the regulation mode is simple swift.
The connecting device comprises a mounting seat 10 and a hollow supporting cylinder 9, the connecting shaft 8 is fixed on the periphery of the supporting cylinder 9, the outer diameter of the supporting cylinder 9 is equal to the inner diameter of the adjusting cylinder 6, a plurality of clamping blocks 11 distributed in a circular array are hinged on the periphery of the top of the supporting cylinder 9, torsional springs are arranged at the hinged positions, opposite ends of the clamping blocks 11 face the center of the supporting table, and the other ends of the clamping blocks 11 are flush with the outer wall of the supporting cylinder 9; the bottom of the prestressed tendon 3 is fixedly connected with an installation seat 10, and the installation seat 10 is arranged inside the supporting cylinder 9; the top of the shear wall plate 2 is detachably connected with a clamp 12 used for clamping the prestressed tendon 3.
In the scheme, when the prestressed tendon 3 is installed, the adjusting cylinder 6 is rotated reversely, the adjusting cylinder 6 drives the supporting cylinder 9 to move upwards through structures such as the connecting shaft 8 and the like until the clamping block 11 at the top end of the supporting cylinder 9 extends out of the supporting cylinder 9, the clamping block 11 is opened under the action of the torsion spring, the mounting seat 10 and the bottom of the prestressed tendon 3 are placed inside the supporting cylinder 9, then the adjusting cylinder 6 is rotated reversely, the adjusting cylinder 6 drives the supporting cylinder 9 to move downwards through the connecting shaft 8, the clamping block 11 is extruded through the inner wall of the adjusting cylinder 6, the clamping block 11 limits the mounting seat 10, and the top of the prestressed tendon 3 is fixed with the clamp 12; at this moment, the supporting cylinder 9 continuously moves downwards, the supporting cylinder 9 pushes the mounting seat 10 to move downwards through the clamping block 11, the mounting seat 10 drives the bottom of the prestressed tendon 3 to synchronously move downwards, and the prestressed tendon 3 is stretched by the matching clamp 12, so that the effect of adjusting the prestressed tendon 3 is achieved.
When the prestressed tendon 3 is broken or is in relaxation transition and cannot be adjusted, only the adjusting cylinder 6 needs to be rotated reversely, the adjusting cylinder 6 drives the supporting cylinder 9 to move upwards through the structure of the connecting shaft 8 and the like until the clamping block 11 at the top end of the supporting cylinder 9 extends out of the supporting cylinder 9, the clamping block 11 is opened under the action of the torsion spring, the prestressed tendon 3 and the mounting seat 10 can be taken out, and the prestressed tendon 3 can be replaced conveniently.
The fixed seat comprises connecting plates 13 which are symmetrically arranged and fixedly connected with the concrete foundation 1, a rotating shaft 14 is rotatably connected between the connecting plates 13, the shear wall plate 2 is fixedly connected with the rotating shaft 14, and an arc toothed plate 15 is arranged at the bottom of the shear wall plate 2; the energy dissipation device comprises an energy dissipation cylinder 16 horizontally rotating inside the concrete foundation 1, a transmission gear 17 meshed with the toothed plate 15 is fixedly connected to the outer wall of the energy dissipation cylinder 16, a partition plate 18 is fixed in the middle of the energy dissipation cylinder 16, and a plurality of connecting grooves 22 which are spirally distributed are formed in two ends of the inner wall of the energy dissipation cylinder 16; 16 both ends of power consumption section of thick bamboo all are fixed with apron 19, all sealed hydraulic oil between apron 19 and the division board 18, equal sliding connection has the hydraulic pressure axle 20 of coaxial line on the apron 19, and hydraulic pressure axle 20 all is fixed with hydraulic pressure board 21 in the opposite directions and serves, and hydraulic pressure board 21 week side all is fixed with a plurality of drive shafts 23 that stretch into corresponding spread groove 22, the opposite end and the concrete foundation 1 sliding connection of hydraulic pressure axle 20, and be fixed with guide block 28 on the opposite end of hydraulic pressure axle 20, be provided with the guide way that corresponds on the concrete foundation 1.
Under the action of an earthquake, the shear wall plate 2 swings with the rotating shaft 14 as a circle center, the transmission gear 17 is driven to rotate by the arc-shaped toothed plate 15 when the shear wall plate 2 swings, the transmission gear 17 drives the energy consumption cylinder 16 to rotate when rotating, the hydraulic shaft 20 is limited to only horizontally slide but cannot rotate due to the fact that the guide groove is matched with the guide block 28, the energy consumption cylinder 16 is matched with the driving shaft 23 through the connecting groove 22 in the inner wall, the hydraulic plate 21 and the connecting shaft 8 are driven to horizontally move, the hydraulic plate 21 plays a role in hydraulic energy consumption when moving through extrusion between hydraulic oil, kinetic energy of the shear wall plate 2 is reduced, the swing stroke of the shear wall plate 2 is reduced, the stretching of the shear wall plate 2 on the prestressed ribs 3 is reduced, the relaxation rate of the prestressed ribs 3 is reduced, and the service life of the prestressed ribs 3 is prolonged.
The locking device comprises a plurality of limiting pins 24, a plurality of sliding grooves distributed at equal intervals are formed in two sides of the guide groove 5, the limiting pins 24 are horizontally and slidably connected into the corresponding sliding grooves, the reset elastic parts 30 are arranged between the limiting pins 24 and the sliding grooves, opposite ends of adjacent limiting pins 24 are abutted, and the upper end surfaces of the opposite ends of the limiting pins 24 are arc-shaped; and an extrusion block 25 is vertically arranged in the guide groove 5.
When the tension of the prestressed tendon 3 is reduced, the supporting cylinder 9 and the mounting seat 10 are driven to move downwards by rotating the adjusting cylinder 6 in the forward direction, the prestressed tendon 3 is stretched, the supporting cylinder 9 drives the connecting shaft 8 to vertically extrude the arc-shaped surface of the limiting pin 24, the limiting pin 24 slides into the sliding groove, the connecting shaft 8 downwards passes through the limiting pin 24, after the connecting shaft 8 passes through the limiting pin 24, the limiting pin 24 slides out of the sliding groove under the action of the reset elastic part 30, the limiting pin 24 is abutted against the connecting shaft 8, the limiting shaft is prevented from sliding upwards, and therefore the supporting cylinder 9 and the mounting seat 10 are limited from sliding upwards, and the stretching effect on the bottom of the prestressed tendon 3 is kept; when the prestressing tendons 3 need be changed, insert the extrusion piece 25 in the guide slot 5, the extrusion piece 25 extrudees the spacer pin 24 into the spout once more, loosens connecting axle 8, and the normal rebound of brace table and mount pad 10 can be driven to the regulation section of thick bamboo 6 of antiport this moment.
The upper surface of the mounting seat 10 is provided with a pressure sensor 26.
The pressure between the mounting seat 10 and the clamping block 11 can be monitored at any time through the pressure sensor 26, so that the tension of the prestressed tendon 3 can be monitored, the tension of the prestressed tendon 3 can be conveniently adjusted in time, and the prestressed tendon 3 is ensured to keep enough tension.
A damper 27 is detachably connected between the adjacent shear wall plates 2.
The damper 27 is used for energy dissipation and shock absorption, stress of a connection point between the shear wall plates 2 is reduced, and the shear wall plates 2 are prevented from being broken.
The height of the bottom of the shear wall plate 2 is gradually reduced from two ends to the middle.
The height of the bottom of the shear wall plate 2 is gradually reduced from two ends to the middle, so that the collision between the bottom of the shear wall plate 2 and the concrete foundation 1 can be avoided when the wall feet swing, and the wall feet of the shear wall plate 2 are prevented from being damaged
A fixed shaft 29 extending into the concrete foundation 1 is fixed on the peripheral side of the fixed cylinder 4, and the fixed shaft 29 is T-shaped.
The stability of the connection between the fixed cylinder 4 and the concrete foundation 1 is enhanced by the provision of the fixed shaft 29.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (8)

1. The utility model provides a wall is swayd in two limbs shear force of power consumption type which characterized in that: the concrete foundation is provided with a plurality of fixing seats, the shear wall boards are hinged to the fixing seats, and energy dissipation devices are arranged between the fixing seats and the concrete foundation; prestressed tendons are vertically arranged inside two sides of the shear wall plate, a plurality of cavities which are coaxial with the prestressed tendons are formed inside the concrete foundation, a hollow fixed cylinder is arranged in each cavity, a plurality of guide grooves which are uniformly distributed are vertically formed in the inner wall of each fixed cylinder, an adjusting cylinder is rotatably connected in each fixed cylinder, a plurality of arc-shaped grooves which are uniformly distributed are formed in the side wall of each adjusting cylinder, each arc-shaped groove is spiral, and a connecting device is arranged inside each adjusting cylinder and detachably connected with the bottoms of the prestressed tendons; the connecting device is characterized in that a plurality of connecting shafts are fixed on the peripheral sides of the connecting devices, the connecting shafts penetrate through the corresponding arc-shaped grooves and are in sliding connection with the corresponding guide grooves, and locking devices are arranged in the guide grooves.
2. The energy-consuming type double-limb shear swing wall according to claim 1, wherein: the connecting device comprises a mounting seat and a hollow supporting cylinder, the connecting shaft is fixed on the periphery of the supporting cylinder, the outer diameter of the supporting cylinder is equal to the inner diameter of the adjusting cylinder, a plurality of clamping blocks distributed in a circular array are hinged on the periphery of the top of the supporting cylinder, torsion springs are arranged at the hinged parts, opposite ends of the clamping blocks face the center of the supporting table, and the other ends of the clamping blocks are flush with the outer wall of the supporting cylinder; the bottom of the prestressed tendon is fixedly connected with an installation seat, and the installation seat is arranged in the support cylinder; the top of the shear wall plate is detachably connected with a clamp used for clamping prestressed tendons.
3. The energy-consuming type double-limb shear swing wall according to claim 2, wherein: the fixed seat comprises connecting plates which are symmetrically arranged and fixedly connected with the concrete foundation, a rotating shaft is rotatably connected between the connecting plates, the shear wall plate is fixedly connected with the rotating shaft, and an arc-shaped toothed plate is arranged at the bottom of the shear wall plate; the energy dissipation device comprises an energy dissipation cylinder horizontally rotating inside the concrete foundation, a transmission gear meshed with the toothed plate is fixedly connected to the outer wall of the energy dissipation cylinder, a partition plate is fixed to the middle of the energy dissipation cylinder, and a plurality of connecting grooves which are spirally distributed are formed in two ends of the inner wall of the energy dissipation cylinder; the power consumption section of thick bamboo both ends all are fixed with the apron, all seal up between apron and the division board and have hydraulic oil, equal sliding connection has the hydraulic pressure axle of coaxial line on the apron, and the opposite of hydraulic pressure axle is served and all is fixed with the hydraulic pressure board, and hydraulic pressure board week all is fixed with a plurality of drive shafts that stretch into corresponding spread groove all around, the opposite end and the concrete foundation sliding connection of hydraulic pressure axle, and be fixed with the guide block on the opposite end of hydraulic pressure axle, be provided with the guide way that corresponds on the concrete foundation.
4. An energy dissipating double-limb shear swing wall according to claim 3, wherein: the locking device comprises a plurality of limiting pins, a plurality of sliding grooves which are distributed at equal intervals are formed in two sides of the guide groove, the limiting pins are horizontally and slidably connected into the corresponding sliding grooves, a reset elastic part is arranged between each limiting pin and each sliding groove, opposite ends of adjacent limiting pins are abutted, and the upper end surfaces of the opposite ends of the limiting pins are arc-shaped; and an extrusion block is vertically arranged in the guide groove.
5. The energy-consuming type double-limb shear swing wall according to claim 4, wherein: and a pressure sensor is arranged on the upper surface of the mounting seat.
6. An energy dissipating double-limb shear swing wall according to claim 5, wherein: and a damper is detachably connected between the adjacent shear wall plates.
7. The energy-consuming type double-limb shear swing wall according to claim 6, wherein: the bottom height of the shear wall plate is gradually reduced from two ends to the middle.
8. An energy dissipating double-limb shear swing wall according to claim 7, wherein: and a fixed shaft extending into the concrete foundation is fixed on the periphery of the fixed cylinder, and the fixed shaft is T-shaped.
CN202210246415.1A 2022-03-14 Energy-consumption type double-limb shear swinging wall Active CN114508184B (en)

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CN110005096A (en) * 2019-03-13 2019-07-12 北京交通大学 A kind of built-in shape memory alloy self-resetting concrete shear force wall
CN110080426A (en) * 2019-04-16 2019-08-02 浙江科技学院 Band easily resets the Self-resetting Coupled Shear Wall structure and construction method of replaceable coupling beam
CN212613168U (en) * 2020-06-10 2021-02-26 四川省建筑科学研究院有限公司 Orthogonal laminated wood shear swing wall and building
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