CN114517604A - Shear wall sliding damping support and using method - Google Patents
Shear wall sliding damping support and using method Download PDFInfo
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- CN114517604A CN114517604A CN202210196353.8A CN202210196353A CN114517604A CN 114517604 A CN114517604 A CN 114517604A CN 202210196353 A CN202210196353 A CN 202210196353A CN 114517604 A CN114517604 A CN 114517604A
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- connecting plate
- plate
- shear wall
- sliding
- support
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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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
Abstract
The invention belongs to the technical field of base shock insulation, and particularly relates to a shear wall sliding shock absorption support and a using method thereof, wherein the shear wall sliding shock absorption support comprises an upper top plate and a lower bottom plate; an upper connecting plate is arranged in the middle below the upper top plate, and a lower connecting plate is arranged in the middle above the lower bottom plate; a central spherical support is arranged between the upper connecting plate and the lower connecting plate; a plurality of groups of energy consumption devices are uniformly arranged on two sides of the spherical support; the spherical support comprises a convex arc-shaped plate and a concave arc-shaped plate; the smooth round surface of the convex arc-shaped plate is connected with the lower surface of the upper connecting plate, the smooth round surface of the concave arc-shaped plate is connected with the upper surface of the lower connecting plate, and the convex end of the convex arc-shaped plate is matched with the surface radian of the concave end of the concave arc-shaped plate. According to the invention, the top plate drives the upper connecting plate to rotate, on one hand, the spherical support rotates, and the rotation energy is converted into heat energy consumption generated by friction of the concave-convex arc-shaped plate, so that the shock absorption effect is achieved.
Description
Technical Field
The invention belongs to the technical field of base shock insulation, and particularly relates to a shear wall sliding shock absorption support and a using method thereof.
Background
The earthquake action and the wind load action are main consideration factors of the design of a high-rise building structure, wherein the shear wall structure gradually becomes a main force of the high-rise building due to the advantages of high earthquake resistance, high building height and the like, so that the lateral earthquake resistance of the shear wall structure is improved to become an important index of the good and bad earthquake resistance of the shear wall structure. Different from the traditional earthquake-proof design, the earthquake-proof design method controls the earthquake action in the shock-proof support as far as possible by arranging the shock-proof device at the bottom of the shear wall, absorbs most earthquake energy through energy consumption and reduces the damage of an upper structure.
The damping support has many different types, and the most widely used is rubber support, but ordinary rubber support is poor in performance under the circulation tension and compression state, and the tensile strength of rubber is far lower than the compressive strength, and when the support rotates, the rubber on one side is extremely easy to damage, so that the support loses effect. In addition, the rubber shock absorption support matched with the damper can cause the damper to be sheared and damaged by horizontal force under the action of a horizontal earthquake. Meanwhile, the common material spring applied in the support provides a thin energy consumption capability in earthquakes, so that the support is extremely easy to damage, and the energy consumption capability is not obvious.
Disclosure of Invention
The invention aims to provide a sliding damping support for a shear wall and a using method of the sliding damping support, and aims to solve the technical problem that an existing damping device is poor in damping effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a shear wall sliding damping support comprises an upper top plate and a lower bottom plate;
an upper connecting plate is arranged in the middle below the upper top plate, and a lower connecting plate is arranged in the middle above the lower bottom plate;
a central spherical support is arranged between the upper connecting plate and the lower connecting plate; a plurality of groups of energy consumption devices are uniformly arranged on two sides of the spherical support;
The energy dissipation device is connected between the upper connecting plate and the lower connecting plate;
the spherical support comprises a convex arc-shaped plate and a concave arc-shaped plate; the convex arc-shaped plate is a cylinder with a bulge at one end; the concave arc-shaped plate is a cylinder with a recess at one end;
the smooth round surface of the convex arc-shaped plate is connected with the lower surface of the upper connecting plate, and the smooth round surface of the concave arc-shaped plate is connected with the upper surface of the lower connecting plate.
The invention is further improved in that: every group the energy consumption device includes a spout, the spout sets up the upper surface both sides at the connecting plate down, be equipped with two identical sliders in the spout, two be equipped with viscous damper between the slider, every the slider top all links to each other with a bracing piece lower extreme, the bracing piece upper end articulates in the circular aperture that the upper junction plate lower surface set up.
The invention is further improved in that: the upper top plate is provided with a plurality of first mounting holes on the surface, and the lower bottom plate is provided with a plurality of second mounting holes on the surface.
The invention is further improved in that: the convex arc-shaped plate and the concave arc-shaped plate are fixed by adopting an inverted buckle type vulcanization.
The invention is further improved in that: the upper top plate and the lower bottom plate are circular plates with the same size, and the upper connecting plate and the lower connecting plate are square plates with the same size.
The invention is further improved in that: and the upper part and the lower part of each sliding block are respectively provided with a through hole, an inductance expansion block is arranged in the through hole positioned at the upper part, and an electric control rod is arranged in the through hole positioned at the lower part.
The invention is further improved in that: the viscous damper is a shape memory alloy composite viscous damper.
The invention is further improved in that: the number of energy consuming devices is 4 groups.
In a second aspect, a method for using a shear wall sliding damping support comprises the following steps:
when the upper top plate or the lower bottom plate is vibrated to deform, the upper connecting plate is driven to vibrate, the upper connecting plate drives the supporting rods of the energy dissipation device on one side to descend, each group of two supporting rods descend to push the two sliding blocks to slide towards each other, the two sliding blocks slide in the sliding grooves to move to strengthen the deformation capacity, and in the sliding process, heat is generated by friction to help energy dissipation and vibration reduction.
The invention is further improved in that: when receiving great vibration, increase electric control rod's input current, make inductance expansion piece circular telegram inflation through the electric control stick, increase inductance expansion piece and the frictional force of spout to provide the active control damping, increase the efficiency that kinetic energy turned into the internal energy.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the invention, the top plate drives the upper connecting plate to rotate, on one hand, the spherical support rotates, and the rotation energy is converted into heat energy consumption generated by friction of the concave-convex arc-shaped plate, so that the shock absorption effect is achieved.
The upper connecting plate drives the supporting rods of the energy dissipation device to descend, each group of two supporting rods descend to push the two sliding blocks to slide towards each other, the two sliding blocks slide in the rectangular sliding grooves to move to strengthen the deformation capacity of the support, and heat is generated by friction in the sliding process to help dissipation of energy, so that the shock absorption effect is achieved.
The two sliding blocks are connected through the viscous damper, so that energy applied by external force is further consumed and dissipated by the viscous damper, and meanwhile, the viscous damper utilizes the damping characteristic of the viscous damper to quickly attenuate vibration and strengthen the damping effect.
According to the invention, two through holes are formed in the middle of the sliding block, the inductance expansion block is inserted into the upper hole, the electric control rod is inserted into the lower hole to control the expansion of the inductance expansion block and increase the friction force of the inductance expansion block, and the damping effect of the damping support is achieved to the maximum extent by arranging the viscous damper, the sliding block, the inductance expansion block and the spherical damping support multiple damping structure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are included to illustrate an exemplary embodiment of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a sliding damping support of a shear wall according to the present invention;
FIG. 2 is a sectional view of a spherical support of the sliding damping support of the shear wall according to the present invention;
FIG. 3 is an enlarged view of an energy dissipation device of the shear wall sliding damping support according to the present invention;
FIG. 4 is a sectional view of a sliding groove energy dissipation device of a sliding damping support of a shear wall according to the present invention.
1-damping support, 2-top plate, 3-bottom plate, 4-upper connecting plate, 5-lower connecting plate, 6-spherical support, 601-convex arc plate, 602-concave arc plate, 7-energy dissipation device, 701-supporting rod, 702-viscous damper, 703-square sliding block, 704-rectangular sliding groove, 705-inductance expansion block, 706-electric control rod, 8-first mounting hole, 9-second mounting hole and 10-second mounting hole.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further explanation of the invention as claimed. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1:
as shown in fig. 1-4, the shear wall sliding damping support comprises an upper top plate 2 and a lower bottom plate 3;
an upper connecting plate 4 is arranged in the middle below the upper top plate 2, and a lower connecting plate 5 is arranged in the middle above the lower bottom plate 3; the upper connecting plate 4 and the lower connecting plate 5 are equal in size and same in shape and are square plates;
a spherical support 6 arranged in the middle and a plurality of groups of energy consumption devices 7 are arranged between the upper connecting plate 4 and the lower connecting plate 5;
the energy consumption device 7 is connected between the upper connecting plate 4 and the lower connecting plate 5;
the upper top plate 2 and the lower bottom plate 3 are round plates with the same shape;
the surface of the upper top plate 2 is provided with a plurality of first mounting holes 1, the surface of the lower bottom plate 3 is provided with a plurality of second mounting holes 8, the first mounting holes 1 and the second mounting holes 8 are round holes with the same size, and the first mounting holes 1 and the second mounting holes 8 are used for being connected with an external building structure, so that the effect of a shear wall building can be more comprehensively transmitted to the shear wall sliding damping support for energy consumption, and the damping capacity of the building is improved;
The spherical support 6 comprises a convex arc-shaped plate 601 and a concave arc-shaped plate 602;
the convex arc plate 601 is a cylinder with a bulge at one end; the concave arc-shaped plate 602 is a cylinder with a recess at one end;
the diameters of the flat circular surfaces of the convex arc-shaped plate 601 and the concave arc-shaped plate 602 are the same and are smaller than the minimum side length of the upper connecting plate 4 and the lower connecting plate 5;
the smooth circular surface of the convex arc plate 601 is fixedly connected with the lower surface of the upper connecting plate 4, the smooth circular surface of the concave arc plate 602 is fixedly connected with the upper surface of the lower connecting plate 5, the radian of the surfaces of the convex end of the convex arc plate 601 and the concave end of the concave arc plate 602 are matched to ensure full contact so as to increase friction force and ensure cooperative rotation, and the damage to internal components of the spherical support caused by telescopic force caused by wind power, seismic force and temperature change can be reduced to the maximum extent by releasing bending moment and torque;
the convex arc-shaped plate 601 and the concave arc-shaped plate 602 are fixed by adopting the back-off vulcanization, so that the defect that the convex arc-shaped plate 601 slides out of the working position due to forced sliding and cannot return to the original position is effectively overcome;
the convex arc-shaped plate 601 and the concave arc-shaped plate 602 are both made of steel materials.
Each group of energy consumption devices 7 comprises a sliding chute 704, two identical sliding blocks 703 are arranged in the sliding chute 704, a viscous damper 702 is arranged between the two sliding blocks 703, the viscous damper 702 is fixedly connected with the sliding blocks 703, a through hole is respectively formed in each sliding block 703 from top to bottom, an inductive expansion block 705 is placed in each through hole, an electric control rod 706 is placed in each through hole from bottom to top, and the upper surface of each sliding block 703 is hinged with the lower end of the support rod 701;
The lower surface of the upper connecting plate 4 is provided with a plurality of round small holes, the number of the round small holes is twice that of the energy consumption devices 7, and each round small hole is hinged with the upper end of one supporting rod 701;
for example, a rotating shaft is arranged in the circular hole, and the upper end of the support rod 701 is rotatably connected to the rotating shaft. Or the round small holes are arranged in a spherical space, the upper end of the support rod 701 is arranged to be a ball, and the ball is arranged in the spherical space to realize the hinging effect
The upper surface of the lower connecting plate 5 is provided with sliding chutes 704 with the same number as the groups of the energy consumption devices 7, and the two sides of the lower connecting plate 5 are symmetrically provided with sliding chutes 704 with half of the groups of the energy consumption devices 7;
when the upper connecting plate 4 and the lower connecting plate 5 rotate relatively in one direction, the hinged support rod 701 can be driven to rotate and displace;
the support rod 701 is made of a memory alloy material.
The energy consumption device 7 can further limit the excessive deformation of the damping support;
the energy consumption devices 7 are in this embodiment 4 groups;
the support rod 701 and the viscous damper 702 both adopt shape memory alloy, and the shape memory alloy has good plastic hysteresis performance so as to achieve the purpose of absorbing and dissipating seismic energy; compared with the traditional viscous damper, the shape memory alloy composite viscous damper has higher energy consumption capability and self-resetting capability, can bear larger earthquake action and control residual deformation after earthquake.
The viscous damper 702 and the energy consumption device 7 are detachable and convenient to replace, so that the service life is greatly prolonged.
Example 2
A use method of a shear wall sliding shock-absorbing support is based on the shear wall sliding shock-absorbing support in embodiment 1, and comprises the following steps:
is connected with an external building structure through a first mounting hole 1 and a second mounting hole 8;
when the upper top plate 2 or the lower bottom plate 3 is vibrated to deform, the upper connecting plate 4 is driven to vibrate, the upper connecting plate 4 drives the support rods 701 of the energy consumption device 7 on one side to descend, each group of two support rods 701 descends to push the two sliding blocks 703 to slide towards each other, the two sliding blocks 703 slide and move in the sliding grooves 704 to strengthen the deformation capacity, and heat is generated by friction in the sliding process to help energy consumption;
the middle parts of every two sliders 703 are connected through a viscous damper 702, the viscous damper 702 adopts a shape memory alloy composite viscous damper, so that the energy of the external force action is consumed and dissipated by the viscous damper 702, and meanwhile, the viscous damper 702 utilizes the damping characteristic of the viscous damper to quickly attenuate the vibration; the upper connecting plate 4 on the other side drives the supporting rod to rise, and the supporting rod 701 drives the sliding blocks 703 to mutually move away from the initial position;
Under the condition of large external force action, external input current is increased, the inductance expansion block 705 is electrified and expanded through the electric control rod 706, and the friction force between the inductance expansion block 705 and the rectangular sliding groove 704 is increased, so that active control shock absorption is provided, and the efficiency of converting kinetic energy into internal energy is increased.
It will be appreciated by those skilled in the art that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A shear wall sliding damping support is characterized by comprising an upper top plate (2) and a lower bottom plate (3);
An upper connecting plate (4) is arranged in the middle below the upper top plate (2), and a lower connecting plate (5) is arranged in the middle above the lower bottom plate (3);
a central spherical support (6) is arranged between the upper connecting plate (4) and the lower connecting plate (5); a plurality of groups of energy consumption devices (7) are uniformly arranged on two sides of the spherical support (6);
the energy dissipation device (7) is connected between the upper connecting plate (4) and the lower connecting plate (5);
the spherical support (6) comprises a convex arc-shaped plate (601) and a concave arc-shaped plate (602); the convex arc-shaped plate (601) is a cylinder with a bulge at one end; the concave arc-shaped plate (602) is a cylinder with a concave part at one end;
the smooth circular surface of the convex arc-shaped plate (601) is connected with the lower surface of the upper connecting plate (4), and the smooth circular surface of the concave arc-shaped plate (602) is connected with the upper surface of the lower connecting plate (5).
2. A shear wall sliding shock-absorbing support according to claim 1, wherein each group of energy consumption devices (7) comprises a sliding groove (704), the sliding grooves (704) are arranged on both sides of the upper surface of the lower connecting plate (5), two identical sliding blocks (703) are arranged in the sliding groove (704), a viscous damper (702) is arranged between the two sliding blocks (703), the top of each sliding block (703) is connected with the lower end of a supporting rod (701), and the upper end of the supporting rod (701) is hinged in a round small hole arranged on the lower surface of the upper connecting plate (4).
3. The sliding shock-absorbing support for the shear wall according to claim 1, wherein a plurality of first mounting holes (1) are formed on the surface of the upper top plate (2), and a plurality of second mounting holes (8) are formed on the surface of the lower bottom plate (3).
4. The sliding shock-absorbing support for the shear wall according to claim 1, wherein the convex arc-shaped plate (601) and the concave arc-shaped plate (602) are fixed by adopting an inverted buckle type vulcanization.
5. The shear wall sliding shock absorption support according to claim 1, wherein the upper top plate (2) and the lower bottom plate (3) are round plates with the same size, and the upper connecting plate (4) and the lower connecting plate (5) are square plates with the same size.
6. A shear wall sliding shock absorber support according to claim 2, wherein each of the sliders (703) is provided with a through hole at its upper and lower portions, an inductive expansion block (705) is provided in the through hole at its upper portion, and an electric control rod (706) is provided in the through hole at its lower portion.
7. A shear wall sliding shock mount according to claim 2 wherein the viscous damper (702) is a shape memory alloy composite viscous damper.
8. A shear wall sliding shock mount according to claim 2, wherein the number of energy consuming devices (7) is 4 groups.
9. A use method of a shear wall sliding damping support is based on the shear wall sliding damping support of claim 6, and is characterized in that when an upper top plate (2) or a lower bottom plate (3) is vibrated to deform, an upper connecting plate (4) is driven to vibrate, the upper connecting plate (4) drives a supporting rod (701) of an energy dissipation device (7) on one side to descend, two supporting rods (701) of each group descend to push two sliding blocks (703) to slide towards each other, the two sliding blocks (703) slide and displace in a sliding groove (704) to strengthen the deformation capacity, and heat is generated by friction in the sliding process to help energy dissipation and vibration reduction.
10. The use method of the shear wall sliding damping support according to claim 9, wherein when the shear wall sliding damping support is subjected to vibration larger than a preset value, the input current of the electric control rod (706) is increased, the electric control rod (706) enables the inductive expansion block (705) to be electrified and expanded, and the friction force between the inductive expansion block (705) and the sliding chute (704) is increased, so that active control damping is provided, and the efficiency of converting kinetic energy into internal energy is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210196353.8A CN114517604A (en) | 2022-03-03 | 2022-03-03 | Shear wall sliding damping support and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210196353.8A CN114517604A (en) | 2022-03-03 | 2022-03-03 | Shear wall sliding damping support and using method |
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| CN114517604A true CN114517604A (en) | 2022-05-20 |
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| CN202210196353.8A Pending CN114517604A (en) | 2022-03-03 | 2022-03-03 | Shear wall sliding damping support and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833144A (en) * | 2021-09-29 | 2021-12-24 | 东南大学 | Friction energy consumption rotation self-reset node device |
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2022
- 2022-03-03 CN CN202210196353.8A patent/CN114517604A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833144A (en) * | 2021-09-29 | 2021-12-24 | 东南大学 | Friction energy consumption rotation self-reset node device |
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