CN112609859B - Viscous friction composite damping wall - Google Patents

Viscous friction composite damping wall Download PDF

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Publication number
CN112609859B
CN112609859B CN202011264183.XA CN202011264183A CN112609859B CN 112609859 B CN112609859 B CN 112609859B CN 202011264183 A CN202011264183 A CN 202011264183A CN 112609859 B CN112609859 B CN 112609859B
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China
Prior art keywords
viscous
main frame
frame body
inner plate
plate
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CN202011264183.XA
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Chinese (zh)
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CN112609859A (en
Inventor
李明刚
朱勇
郭烨
陈亮
孙涛
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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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
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/562—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with fillings between the load-bearing elongated members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
    • E04B2/58—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of metal
    • 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
    • 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
    • E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to a viscous friction composite damping wall, comprising: the inner part of the main frame body is hollow, the first end of the main frame body is provided with an opening, and the second end of the main frame body is fixedly provided with a second mounting seat; the viscous damping structure capable of consuming viscous energy is characterized in that a first mounting seat is fixed at the first end of the viscous damping structure, a second end of the viscous damping structure is inserted into the main frame body through an opening, and two outer walls of the viscous damping structure are in contact with two inner walls corresponding to the main frame body respectively, so that friction energy consumption is realized. The invention ensures that the viscous liquid is sheared and deformed to generate viscous damping force to carry out viscous energy consumption by the movement of the inner plate in the viscous liquid. And friction occurs between the side inner plate and the main frame body, and energy is consumed by the friction to consume external kinetic energy. The anti-vibration effect is improved through the mutual synergistic effect of friction energy consumption and viscous energy consumption.

Description

Viscous friction composite damping wall
Technical Field
The invention relates to the field of building construction, in particular to a viscous friction composite damping wall.
Background
At present, damping walls used in building construction are viscous damping walls and friction damping walls mostly. The viscous damping wall mainly comprises an outer steel plate, an inner steel plate or a pair of inner steel plates and a viscous liquid medium filled in a closed area between the inner steel plate and the outer steel plate. In the vibration generating process, the inner steel plate moves in the closed viscous liquid, so that the viscous liquid generates shear deformation to generate viscous damping force to perform viscous energy consumption. Whereas the friction damping wall dissipates kinetic energy mainly by rubbing two material plates against each other.
However, the viscous energy consumption of the viscous damping wall cannot meet the requirement of larger vibration, the friction coefficient cannot meet the actual requirement due to the mutual contact of two materials of the friction damping wall, and the independent viscous energy consumption and the friction energy consumption have respective defects.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a viscous friction composite damping wall and solves the problem that the separate viscous energy consumption and friction energy consumption in the prior art are insufficient.
The technical scheme for realizing the purpose is as follows:
the invention provides a viscous friction composite damping wall, comprising:
the inner part of the main frame body is hollow, the first end of the main frame body is provided with an opening, and the second end of the main frame body is fixedly provided with a second mounting seat; and
viscous damping structure with adjustable can carry out viscous power consumption and thickness, the first end of viscous damping structure is fixed with first mount pad, the second end of viscous damping structure passes through the opening is inserted and is located in the main frame body, the relative two outer walls of viscous damping structure with two inner walls that the main frame body corresponds are the mutual contact respectively, realize the friction power consumption.
The viscous friction composite damping wall is further improved in that the viscous damping structure comprises:
the middle inner plate is fixed on the first mounting seat;
the side inner plates are arranged on two opposite sides of the middle inner plate, the side inner plates are connected with the middle inner plate in a mode of adjusting the distance, and the outer walls of the side inner plates are correspondingly contacted with the inner walls corresponding to the main frame body to perform friction energy consumption;
and viscous liquid arranged between the middle inner plate and the side inner plate shears the viscous liquid through the middle inner plate to carry out viscous energy consumption.
The viscous friction composite damping wall is further improved in that the side inner plate and the middle inner plate are connected in a penetrating mode through threaded pins.
The viscous friction composite damping wall is further improved in that an operation hole for operating the threaded pin is formed in the main frame body, and the threaded pin is rotated through the operation hole so as to adjust the distance between the side inner plate and the middle inner plate.
The viscous friction composite damping wall is further improved by further comprising a telescopic frame which is hinged between the side inner plates and the middle inner plate.
The viscous friction composite damping wall is further improved by comprising a pair of fixing plates which are positioned in the main frame body and fixed on the second mounting seat, wherein the pair of fixing plates are positioned on two opposite sides of the middle inner plate.
The viscous friction composite damping wall is further improved in that the first mounting seat comprises:
the first mounting plate is vertically fixed at the first end of the middle inner plate;
a plurality of first mounting posts perpendicularly secured to the first mounting plate.
The viscous friction composite damping wall is further improved in that the viscous friction composite damping wall further comprises a pair of positioning installation plates fixed at the bottom of the first installation seat, and the positioning installation plates are attached to the corresponding outer walls of the main body frame.
In a further improvement of the viscous friction composite damping wall of the present invention, the second mounting seat comprises:
the second mounting plate is vertically fixed at the second end of the main frame body;
a plurality of second mounting posts perpendicularly secured to the second mounting plate.
The viscous friction composite damping wall is further improved in that the viscous friction composite damping wall also comprises a pair of connecting clamping plates which are vertically fixed on two opposite sides of the main frame body.
The viscous friction composite damping wall has the beneficial effects that:
in the process of vibration, the middle inner plate moves in the viscous liquid, so that the viscous liquid is sheared and deformed to generate viscous damping force to perform viscous energy consumption. And friction occurs between the side inner plate and the main frame body, and energy is consumed by the friction to consume external kinetic energy. By means of mutual synergistic effect of friction energy consumption and viscous energy consumption, the maximum bearing capacity of the anti-vibration energy-saving device is improved, and the anti-vibration effect is better achieved.
Drawings
Fig. 1 is a schematic perspective view of the viscous friction composite damping wall according to the present invention.
Fig. 2 is a vertical sectional view of the viscous friction composite damping wall of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Fig. 4 is an internal view of the viscous friction composite damping wall of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, a schematic perspective view of the viscous friction composite damping wall of the present invention is shown. Fig. 2 is a vertical sectional view of the viscous friction composite damping wall of the present invention. Referring to fig. 1 and 2, the viscous friction composite damping wall of the present invention includes:
a main frame body 10 which is hollow inside and has an opening at a first end, and a second mounting seat 20 is fixed at a second end of the main frame body 10; and
viscous damping structure 40 with adjustable can carry out viscous power consumption and thickness, and the first end of viscous damping structure 40 is fixed with first mount pad 30, and the second end of viscous damping structure 40 is inserted through the opening and is located in main frame body 10, and two relative outer walls of viscous damping structure 40 and two inner walls that main frame body 10 corresponds contact each other respectively, realize the friction power consumption.
In the present embodiment, the main frame 10 has a rectangular parallelepiped structure with an open first end. The main frame body 10 is hollow inside and has a width greater than the maximum thickness of the viscous damping structure 40, so that the viscous damping structure 40 is inserted into the main frame body 10.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the viscous damping structure 40 includes:
a middle inner plate 41 fixed to the first mounting base 30;
a pair of side inner plates 42 arranged at two opposite sides of the middle inner plate 41, wherein the side inner plates 42 and the middle inner plate 41 are connected in a mode of adjusting the distance, and the outer walls of the side inner plates 41 are correspondingly contacted with the corresponding inner walls of the main frame body 10 to perform friction energy consumption;
viscous fluid provided between the middle inner plate 41 and the side inner plate 42 is subjected to viscous energy consumption by shearing the viscous fluid by the middle inner plate 41.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the side inner plate 42 and the middle inner plate 41 are connected by a threaded pin 50.
Specifically, a threaded sleeve 51 is fixedly mounted at a central position of the side inner plate 42 near one side of the middle inner plate 41. The threaded pin 50 is inserted through the middle inner plate 41 and the threaded pin 50, thereby connecting the side inner plate 42 and the middle inner plate 41.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the main frame 10 is provided with an operation hole 11 for operating the screw pin 50, and the screw pin 50 is rotated through the operation hole 11 to adjust the distance between the side inner plate 42 and the middle inner plate 41.
Further, a hexagonal clamping groove is formed in one end, close to the main body frame 10, of the threaded pin 50, a tool for rotating the threaded pin 50 is inserted into the hexagonal clamping groove through the operation hole 11, so that the threaded pin 50 is rotated to adjust, and the adjustment of the distance between the inner middle inner plate 41 and the inner side plate 42 inside the main body frame 10 is achieved. On the premise of ensuring the frictional damping, the side inner plate 42 is prevented from being completely attached to the main body frame 10, and the friction coefficient between the side inner plate 42 and the main body frame 10 is prevented from changing, so that the service life of the whole structure can be effectively prolonged.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the present invention further comprises an expansion bracket 60 hingedly connected between the inner side plate 42 and the inner middle plate 41. Specifically, the telescopic bracket 60 extends and contracts the tripod. The reaction force generated by the external shock can be uniformly distributed to the inner side panel 42 by the expansion bracket 60.
Further, there are two telescopic frames 60, and the two telescopic frames 60 are symmetrically distributed relative to the middle position of the middle inner plate 41. The expansion bracket 60 can be deformed telescopically to adjust the interval between the side inner panel 42 and the middle inner panel 41.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the present invention further comprises a pair of fixing plates 70 located inside the main frame 10 and fixed to the second mounting seat 20, wherein the pair of fixing plates 70 are located at opposite sides of the middle inner plate 41.
Specifically, a pair of fixing plates 70 are symmetrically disposed with respect to the middle inner plate 41.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the present invention further includes a pair of positioning mounting plates 80 fixed at the bottom of the first mounting base 30, and the positioning mounting plates 80 are attached to the corresponding outer walls of the main body frame 10. The positioning mounting plate 80 and the corresponding outer wall of the main body frame 10 are fitted to each other.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the first mounting seat 30 includes:
a first mounting plate 31 vertically fixed to a first end of the middle inner plate 41;
a plurality of first mounting posts 32 fixed perpendicularly to the first mounting plate 31.
Specifically, the present invention further includes a first stiffener 33 perpendicularly fixed to the first mounting plate 30 and the corresponding side wall of the main frame 10, and the firmness of the connection between the first mounting plate 30 and the main frame 10 and the overall stability are enhanced by the first stiffener 33.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the second mounting seat 20 includes:
a second mounting plate 21 vertically fixed to a second end of the main frame 10;
and a plurality of second mounting posts 22 perpendicularly fixed to the second mounting plate 21.
The first mounting plate 31 and the second mounting plate 21 are both provided with connection screw holes.
Specifically, the present invention further includes a second stiffener plate 23 vertically fixed to the second mounting plate 21 and the corresponding side wall of the main frame 10, and the firmness of the connection between the second mounting plate 21 and the main frame 10 and the overall stability are enhanced by the second stiffener plate 23.
As a preferred embodiment of the viscous friction composite damping wall of the present invention, the present invention further comprises a pair of connecting clamping plates 90 vertically fixed to opposite sides of the main frame 10. The connecting clip plate 90 is provided with screw holes.
The assembly method of the viscous friction composite damping wall of the invention is explained as follows:
a pair of side inner plates 42 and a middle inner plate 41 are provided to each other and are connected by a threaded pin 50 and a telescopic bracket 60. A viscous liquid is injected at an intermediate position of the side inner plate 42 and the middle inner plate 41 to form the viscous damping structure 40.
By rotating the threaded pin 50 and contracting the expansion bracket 60, the distance between the inner side plate 42 and the inner middle plate 41 is contracted, so that the viscous damping structure 40 can be conveniently and rapidly inserted into the main frame body 10. The bottom end of the middle inner plate 41 is located at the bottom end of the main frame body 10, and the operation holes 11 of the threaded pins 50 are matched with each other, so that the assembly is convenient.
In the process of vibration, the inner middle plate 41 moves in the viscous liquid, so that the viscous liquid is subjected to shearing deformation to generate viscous damping force to perform viscous energy consumption. And friction occurs between the side inner panel 42 and the main frame 10, and energy is consumed by the friction to consume kinetic energy of the outside. By means of mutual synergistic effect of friction energy consumption and viscous energy consumption, the maximum bearing capacity of the anti-vibration energy-saving device is improved, and the anti-vibration effect is better achieved.
The viscous friction composite damping wall has the beneficial effects that:
in the process of vibration, the middle inner plate moves in the viscous liquid, so that the viscous liquid is sheared and deformed to generate viscous damping force to perform viscous energy consumption. And friction occurs between the side inner plate and the main frame body, and energy is consumed by the friction to consume external kinetic energy. By means of mutual synergistic effect of friction energy consumption and viscous energy consumption, the maximum bearing capacity of the anti-vibration energy-saving device is improved, and the anti-vibration effect is better achieved.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.

Claims (9)

1. A viscous friction composite damping wall, comprising:
the inner part of the main frame body is hollow, the first end of the main frame body is provided with an opening, and the second end of the main frame body is fixedly provided with a second mounting seat;
the viscous damping structure can perform viscous energy consumption and is adjustable in thickness, a first mounting seat is fixed at a first end of the viscous damping structure, a second end of the viscous damping structure is inserted into the main frame body through the opening, and two opposite outer walls of the viscous damping structure and two corresponding inner walls of the main frame body are respectively contacted with each other to realize friction energy consumption; and
the viscous damping structure includes:
the middle inner plate is fixed on the first mounting seat;
the pair of side inner plates are arranged on two opposite sides of the middle inner plate, the side inner plates and the middle inner plate are connected in a mode of adjusting the distance, and the outer walls of the side inner plates are correspondingly contacted with the inner walls corresponding to the main frame body to perform friction energy consumption;
and viscous liquid arranged between the middle inner plate and the side inner plate shears the viscous liquid through the middle inner plate to carry out viscous energy consumption.
2. The viscous friction composite damping wall according to claim 1,
the side inner plate and the middle inner plate are connected in a penetrating mode through threaded pins.
3. The viscous friction composite damping wall according to claim 2,
an operation hole for operating the threaded pin is formed in the main frame body, and the threaded pin is rotated through the operation hole so that the distance between the side inner plate and the middle inner plate can be adjusted.
4. The viscous friction composite damping wall according to claim 1,
the telescopic frame is hinged between the side inner plates and the middle inner plate.
5. The viscous friction composite damping wall according to claim 1,
the fixing plate is positioned in the main frame body and fixed on the second mounting seat, and the fixing plates are positioned on two opposite sides of the middle inner plate.
6. The viscous friction composite damping wall of claim 1, wherein the first mount comprises:
the first mounting plate is vertically fixed at the first end of the middle inner plate;
a plurality of first mounting posts perpendicularly secured to the first mounting plate.
7. The viscous friction composite damping wall according to claim 1,
still including being fixed in a pair of location mounting panel of first mount pad bottom, the location mounting panel pastes and locates the outer wall of main frame's correspondence.
8. The viscous friction composite damping wall of claim 1, wherein the second mount comprises:
the second mounting plate is vertically fixed at the second end of the main frame body;
a plurality of second mounting posts perpendicularly secured to the second mounting plate.
9. The viscous friction composite damping wall according to claim 1,
the frame also comprises a pair of connecting clamping plates which are vertically fixed at two opposite sides of the main frame body.
CN202011264183.XA 2020-11-12 2020-11-12 Viscous friction composite damping wall Active CN112609859B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011264183.XA CN112609859B (en) 2020-11-12 2020-11-12 Viscous friction composite damping wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011264183.XA CN112609859B (en) 2020-11-12 2020-11-12 Viscous friction composite damping wall

Publications (2)

Publication Number Publication Date
CN112609859A CN112609859A (en) 2021-04-06
CN112609859B true CN112609859B (en) 2022-06-14

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Application Number Title Priority Date Filing Date
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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201713957U (en) * 2010-02-03 2011-01-19 陈云 Friction damping wall
CN202483026U (en) * 2012-03-16 2012-10-10 大连理工大学 Rod type piezoelectric friction damper
JP6172959B2 (en) * 2013-02-05 2017-08-02 大成建設株式会社 Viscous wall structure
CN209924181U (en) * 2019-04-17 2020-01-10 商洛学院 Corner component convenient to replace for shear wall
CN110230402B (en) * 2019-05-16 2021-04-20 福建九鼎建设集团有限公司 Viscous damping wall for steel structure building and mounting method thereof

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