CN113250340A - Toggle joint type damping support for building main body structure - Google Patents

Toggle joint type damping support for building main body structure Download PDF

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Publication number
CN113250340A
CN113250340A CN202110625896.2A CN202110625896A CN113250340A CN 113250340 A CN113250340 A CN 113250340A CN 202110625896 A CN202110625896 A CN 202110625896A CN 113250340 A CN113250340 A CN 113250340A
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CN
China
Prior art keywords
ear plate
hole ear
support rod
toggle
damping
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Pending
Application number
CN202110625896.2A
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Chinese (zh)
Inventor
吴思远
黄炜元
谢秋林
傅知春
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ZHIXING S&T Ltd
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ZHIXING S&T Ltd
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Priority to CN202110625896.2A priority Critical patent/CN113250340A/en
Publication of CN113250340A publication Critical patent/CN113250340A/en
Pending legal-status Critical Current

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    • 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

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

Abstract

The invention discloses a toggle joint type damping support for a main structure of a building, and belongs to the field of vibration control of civil engineering. The invention relates to a toggle damping support for a building main body structure, which comprises a structural column, a structural beam and a toggle damping support mechanism, wherein the inner side of a frame consisting of the structural column and the structural beam is provided with a mounting hole for mounting the toggle damping support mechanism, the toggle damping support mechanism is connected to the inner side of the structural beam through welding or bolts, and the toggle damping support mechanism is used for inhibiting the undesirable vibration of the structural column and the structural beam and improving the structural toughness.

Description

Toggle joint type damping support for building main body structure
Technical Field
The invention relates to the field of vibration control of civil engineering, in particular to a toggle joint type damping support for a building main body structure.
Background
Structural vibration control technology is well known as an effective means for suppressing undesirable vibration of a structure, and a damper is mainly relied on to dissipate most of energy input to the structure. In order to improve the vibration control efficiency of the damper, it has been proposed by the scholars to amplify the deformation of the damper in the form of a toggle-type damping brace. The traditional toggle type damping support mainly comprises a damper, a support rod, a connecting pin shaft and a node plate. Under the external excitation action, the structure generates interlayer displacement, and the relative displacement of the two ends of the damper is greater than the interlayer displacement under the action of the toggle damping support device, so that the energy consumption efficiency of the damper is improved, and the safety of the whole structure is improved.
However, the prior toggle type damping support device often faces the problem that the calculation model needs to be analyzed again due to the fixed size of the damper in the actual engineering, the length of the damper needs to be matched precisely when the damper is installed and replaced, and in addition, when the structural layer is high or the stroke of the damper is too large, the problem that the stability of the damper is poor due to the large length of the damper can be generated.
Disclosure of Invention
The invention aims to: in order to solve the above problems, a toggle type damping support for a building body structure is proposed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a toggle joint type damping support for a building main body structure comprises a structural column, a structural beam and a toggle joint type damping support mechanism, wherein the inner side of a frame formed by the structural column and the structural beam is provided with a mounting hole for mounting the toggle joint type damping support mechanism;
the toggle joint type damping support mechanism comprises a support component which is arranged inside the frame and plays a supporting role, and a damping component which is arranged inside the frame and is used for inhibiting the movement of the support component.
As a further description of the above technical solution:
the supporting assembly comprises a plurality of node plates arranged above and below the structural beam in the frame, the middle part of the upper node plate is hinged with a single-hole ear plate, the other end of the single-hole ear plate is provided with an upper supporting rod, and the other end of the upper supporting rod is provided with a single-hole ear plate;
the middle part of the lower node plate is hinged with a single-hole ear plate, the other end of the single-hole ear plate is provided with a lower supporting rod, and the other end of the upper supporting rod is provided with a single-hole ear plate;
the upper supporting rod is hinged with a single-hole ear plate arranged at the other end of the lower supporting rod through a pin shaft.
As a further description of the above technical solution:
the damping component comprises two dampers which are symmetrically hinged to the upper end of a middle node plate above the structural beam, the other ends of the dampers are provided with double-hole ear plates, the middle of a pin shaft at the hinged position of an upper supporting rod and a lower supporting rod is hinged to a single-hole ear plate, the other end of the single-hole ear plate is provided with a compensation supporting rod, the other end of the compensation supporting rod is provided with the double-hole ear plate, and the double-hole ear plate arranged at one end of each damper is connected with the double-hole ear plate arranged at one end of the compensation supporting rod through a fixing bolt.
As a further description of the above technical solution:
the damping component further comprises a damper which is hinged to the middle portion of the gusset plate on the left side above the structural beam, the other end of the damper is provided with a double-hole ear plate, the middle portion of a pin shaft at the hinged position of the upper supporting rod and the lower supporting rod is hinged to a single-hole ear plate, the other end of the single-hole ear plate is provided with a compensation supporting rod, the other end of the compensation supporting rod is provided with the double-hole ear plate, and the double-hole ear plate arranged at one end of the damper is connected with the double-hole ear plate arranged at one end of the compensation supporting rod through a fixing bolt.
As a further description of the above technical solution:
the middle part of one side of the gusset plate is provided with an anchoring piece, and the anchoring piece is connected with the mounting holes on the inner sides of the structural columns and the structural beams through bolts.
As a further description of the above technical solution:
the single-hole ear plate and the upper supporting rod, the single-hole ear plate and the lower supporting rod, the double-hole ear plate and the compensation supporting rod and the single-hole ear plate and the compensation supporting rod are welded and fixed.
As a further description of the above technical solution:
the specific size of the compensation support rod can be determined according to the type selection of the damper, and the number of the compensation support rods is at least one.
As a further description of the above technical solution:
the cross section forms and the sizes of the upper supporting rod, the lower supporting rod, the single-hole lug plate, the double-hole lug plate, the node plate and the compensation supporting rod are not required to be fixed, and the damper still needs to be in an elastic working state under the action of damping force corresponding to the ultimate displacement or the ultimate speed of the damper.
In conclusion, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention can amplify the displacement of the damper (simultaneously amplify the speed of the damper) to more than 2 times of the displacement between the structural layers, and can be applied to frame structures, outrigger trusses, shear walls with smaller displacement and other structures.
2. The invention can increase the relative deformation and speed of the two ends of the damper, improve the energy consumption efficiency of the damper, and can improve the additional damping ratio of the structure under the wind load and earthquake action and improve the safety of the whole structure under the condition of using the same number and parameters of the dampers.
3. The invention can avoid the influence of the sizing of the damper product when the toggle damping support is used for structural analysis design and structural construction, avoids the recalculation of a calculation analysis model caused by the sizing of the damper, and improves the design and construction efficiency.
4. The invention can reduce the slenderness ratio of the damper, prevent the damper from generating the out-of-plane instability problem, and avoid the restriction of the out-of-plane rigidity of the damper during model selection.
5. The invention can improve the replacement efficiency of the knuckle type damping support when the damper is damaged after vibration, and avoid the influence of the damper replacement on the knuckle type support.
Drawings
FIG. 1 illustrates a schematic structural view of a dual toggle damping support mechanism provided in accordance with an embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a support assembly provided in accordance with an embodiment of the present invention;
FIG. 3 illustrates a schematic structural view of a single toggle damping support mechanism provided in accordance with an embodiment of the present invention;
FIG. 4 illustrates a schematic structural diagram of a damping assembly provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating a single-hole ear plate structure provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a dual-hole ear plate according to an embodiment of the present invention;
fig. 7 illustrates a-a diagram of fig. 3 provided in accordance with an embodiment of the present invention.
Illustration of the drawings: 1. a structural column; 2. a structural beam; 3. a toggle-type damping support mechanism; 4. a damping assembly; 5. a support assembly; 501. a gusset plate; 502. a single-hole ear plate; 503. an anchoring member; 504. an upper support rod; 505. a lower support bar; 506. a pin shaft; 401. a damper; 402. a two-hole ear plate; 403. and a compensation support rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
a toggle joint type damping support for a building main body structure comprises a structural column 1, a structural beam 2 and a toggle joint type damping support mechanism 3, wherein the inner side of a frame formed by the structural column 1 and the structural beam 2 is provided with a mounting hole for mounting the toggle joint type damping support mechanism 3, the toggle joint type damping support mechanism 3 is connected to the inner side of the structural beam 2 through welding or bolts, and the toggle joint type damping support mechanism 3 is used for inhibiting undesirable vibration of the structural column 1 and the structural beam 2;
the toggle joint type damping support mechanism 3 comprises a support component 5 which is arranged inside the frame for supporting and a damping component 4 which is arranged inside the frame for inhibiting the movement of the support component 5.
In the first embodiment, the first scheme of the present invention is implemented:
further, the supporting assembly 5 comprises a plurality of node plates 501 arranged above and below the frame inner structural beam 2, the middle part of the upper node plate 501 is hinged with a single-hole ear plate 502, the other end of the single-hole ear plate 502 is provided with an upper supporting rod 504, the other end of the upper supporting rod 504 is provided with the single-hole ear plate 502, and the two upper supporting rods 504 are symmetrically arranged;
the middle part of the lower gusset plate 501 is hinged with a single-hole ear plate 502, the other end of the single-hole ear plate 502 is provided with a lower support rod 505, the other end of the upper support rod 504 is provided with the single-hole ear plate 502, and the two lower support rods 504 are also symmetrically arranged;
the two upper support rods 504 are hinged with the single-hole ear plate 502 arranged at the other end of the two lower support rods 505 through a pin 506.
Further, damping component 4 includes that the symmetry articulates two dampers 401 of locating structure roof beam 2 top middle part gusset plate 501 upper end, the damper 401 other end is equipped with diplopore otic placode 402, it is articulated with the round pin axle 506 middle part of the articulated department of lower support rod 505 to go up bracing piece 504 and is equipped with haplopore otic placode 502, and the haplopore otic placode 502 other end is equipped with compensation bracing piece 403, the compensation bracing piece 403 other end is equipped with diplopore otic placode 402, diplopore otic placode 402 that attenuator 401 one end set up passes through fixing bolt with the diplopore otic placode 402 that compensation bracing piece 403 one end set up.
The second embodiment of the present invention is implemented as follows:
further, the supporting component 5 comprises a plurality of node plates 501 arranged above and below the structural beam 2 in the frame, the middle part of the upper node plate 501 is hinged with a single-hole ear plate 502, the other end of the single-hole ear plate 502 is provided with an upper supporting rod 504, the other end of the upper supporting rod 504 is provided with the single-hole ear plate 502, and only one upper supporting rod 504 is provided;
the middle part of the lower gusset plate 501 is hinged with a single-hole ear plate 502, the other end of the single-hole ear plate 502 is provided with a lower support rod 505, the other end of the upper support rod 504 is provided with the single-hole ear plate 502, and only one upper support rod 504 is provided;
the upper support rod 504 is hinged with a single-hole ear plate 502 arranged at the other end of the lower support rod 505 through a pin 506.
Further, damping component 4 still includes the articulated attenuator 401 that sets up in structural beam 2 top left side gusset plate 501 middle part, the attenuator 401 other end is equipped with diplopore otic placode 402, it is articulated with the round pin axle 506 middle part of the articulated department of lower support rod 505 with last bracing piece 504 to be equipped with haplopore otic placode 502, and the haplopore otic placode 502 other end is equipped with compensation bracing piece 403, the compensation bracing piece 403 other end is equipped with diplopore otic placode 402, diplopore otic placode 402 that attenuator 401 one end set up passes through fixing bolt with the diplopore otic placode 402 that compensation bracing piece 403 one end set up.
Further, an anchoring part 503 is arranged in the middle of one side of the gusset plate 501, and the anchoring part 503 is connected with the mounting holes on the inner sides of the structural column 1 and the structural beam 2 through bolts.
Further, the single-hole ear plate 502 and the upper support rod 504, the single-hole ear plate 502 and the lower support rod 505, the double-hole ear plate 402 and the compensation support rod 403, and the single-hole ear plate 502 and the compensation support rod 403 are all welded and fixed.
Further, the specific size of the compensation support rods 403 can be determined according to the type selection of the damper 401, the number of the compensation support rods 403 is at least one, the situation that the size of the damper 401 is not consistent with the calculation assumption is avoided, the work efficiency of structural design is improved, when the damper 401 is damaged after vibration, the damper 401 is replaced by only removing the pin shafts 506 at the positions of the double-hole node plate 402 and the node plate 501 connected with the damper 401, and the connection positions of the upper support rods 504 and the lower support rods 505 are not affected.
Further, the cross-sectional forms and dimensions of the upper support rod 504, the lower support rod 505, the single-hole ear plate 502, the double-hole ear plate 402, the gusset plate 501 and the compensation support rod 403 do not need to be fixed, and the damper 401 needs to be ensured to be still in an elastic working state under the action of damping force corresponding to the limit displacement or the limit speed of the damper 401.
The working principle is as follows: under the action of wind load and earthquake, a frame consisting of the structural column 1 and the structural beam 2 generates a certain amount of deformation, when the structural beam 2 above the frame bends downwards, the gusset plate 501 in the middle part below the structural beam 2 is driven to move downwards, so that the two upper supporting rods 504 are driven to open for a certain angle, the lower supporting rod 505 is further driven to move towards one side of the structural column 1, so that a pin shaft 506 at the hinged part of the upper supporting rod 504 and the lower supporting rod 505 also moves towards one side of the structural column 1, because the middle part of the pin shaft 506 is hinged with the compensation supporting rod 403, the compensation supporting rod 403 is driven to move towards one side of the structural column 1, the compensation supporting rod 403 is connected with the damper 401 through a bolt, the deformation generated by the undesirable vibration of the structural column 1 and the structural beam 2 is inhibited under the action of the damper 401, and the axial displacement and the speed of the damper 401 are amplified under the action of the upper supporting rod 504, the lower supporting rod 505 and the compensation supporting rod 403, the efficiency of the damper 401 for dissipating the energy of the main body structure is improved, the pressure and the tension applied to the damper 401 are not mutually offset, the slenderness ratio of the upper support rod 504 and the lower support rod 505 can be reduced in a large-span structure, and the vibration reduction efficiency and the economy of a damping system are improved;
when the toggle damping support mechanism 3 needs to be installed, the anchoring piece 503 on one side of the gusset plate 501 is firstly placed in the installation holes arranged on the structural column 1 and the structural beam 2, a plurality of gusset plates 501 are placed on the inner side of a frame formed by the structural column 1 and the structural beam 2 through connecting bolts or welding, then the upper end of the upper support rod 504 is hinged to the middle part of the gusset plate 501 below the structural beam 2, the pin shaft 506 is inserted, the lower end of the lower support rod 505 is hinged to the middle part of the gusset plate 501 above the structural beam 2 through the single-hole lug plate 502, the pin shaft 506 is inserted, and then the other ends of the upper support rod 504 and the lower support rod 505 are hinged through the pin shaft 506;
the installation position is determined, the damper 401 is hinged to the middle of the gusset plate 501 in the middle above the structural beam 2, the compensation support rod is hinged to the middle of the pin shaft 506, and then the two double-hole ear plates 402 are connected through the bolts, so that the integral installation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (8)

1. A toggle joint type damping support for a building main body structure comprises a structural column (1), a structural beam (2) and a toggle joint type damping support mechanism (3), and is characterized in that the inner side of a frame formed by the structural column (1) and the structural beam (2) is provided with a mounting hole for mounting the toggle joint type damping support mechanism (3), the toggle joint type damping support mechanism (3) is connected to the inner side of the structural beam (2) through welding or bolts, and the toggle joint type damping support mechanism (3) is used for inhibiting undesirable vibration of the structural column (1) and the structural beam (2);
the toggle damping support mechanism (3) comprises a support component (5) which is arranged on the inner side of the frame and plays a supporting role, and a damping component (4) which is arranged in the frame and is used for inhibiting the movement of the support component (5).
2. A toggle damping brace for a building body structure according to claim 1, characterised in that the brace assembly (5) comprises a plurality of gusset plates (501) provided above and below the structural beam (2) in the frame, a single-hole ear plate (502) is hinged in the middle of the upper gusset plate (501), and an upper brace rod (504) is provided at the other end of the single-hole ear plate (502), and a single-hole ear plate (502) is provided at the other end of the upper brace rod (504);
the middle part of the lower node plate (501) is hinged with a single-hole ear plate (502), the other end of the single-hole ear plate (502) is provided with a lower support rod (505), and the other end of the upper support rod (504) is provided with the single-hole ear plate (502);
the upper supporting rod (504) is hinged with a single-hole ear plate (502) arranged at the other end of the lower supporting rod (505) through a pin shaft (506).
3. A toggle damping brace for a building body structure according to claim 2, characterised in that the damping assembly (4) comprises two dampers (401) symmetrically hinged to the upper end of a middle gusset plate (501) above the structural beam (2), the other end of the damper (401) is provided with a double-hole ear plate (402), the middle of a pin (506) where an upper support rod (504) is hinged to a lower support rod (505) is hinged to a single-hole ear plate (502), the other end of the single-hole ear plate (502) is provided with a compensation support rod (403), the other end of the compensation support rod (403) is provided with a double-hole ear plate (402), the double-hole ear plate (402) arranged at one end of the damper (401) is connected with the double-hole ear plate (402) arranged at one end of the compensation support rod (403) through a fixing bolt.
4. A toggle damping brace for a building body structure according to claim 2, characterised in that the damping assembly (4) further comprises a damper (401) hingedly disposed at the middle of the left gusset (501) above the structural beam (2), the other end of the damper (401) is provided with a double-hole ear plate (402), the middle of a pin (506) at the hinge of the upper support rod (504) and the lower support rod (505) is hingedly disposed with a single-hole ear plate (502), the other end of the single-hole ear plate (502) is provided with a compensation support rod (403), the other end of the compensation support rod (403) is provided with a double-hole ear plate (402), the double-hole ear plate (402) disposed at one end of the damper (401) is connected with the double-hole ear plate (402) disposed at one end of the compensation support rod (403) by a fixing bolt.
5. A toggle damping brace for building body structures according to claim 2 characterised in that the gusset plate (501) has an anchor member (503) in the middle of one side thereof, the anchor member (503) being bolted to the structural column (1) and the mounting hole in the inner side of the structural beam (2).
6. A toggle-type damping brace for building body structures according to claim 2, characterised in that the single-hole ear plate (502) is connected to the upper support rod (504), the single-hole ear plate
(502) The lower support rod (505), the double-hole ear plate (402), the compensation support rod (403) and the single-hole ear plate (502) are welded and fixed with the compensation support rod (403).
7. A toggle-type damping brace for building body structures according to claim 3, characterised in that the concrete dimensions of the compensating strut (403) are determined by the type of damper (401) and the number of the compensating strut (403) is at least one.
8. A toggle damping brace for a building body structure according to claim 2, characterised in that the cross-sectional form and dimensions of the upper support strut (504), the lower support strut (505), the single-hole ear plate (502), the double-hole ear plate (402), the gusset plate (501) and the compensating strut (403) are not fixed and are maintained in a resilient operating condition under the damping force corresponding to the extreme displacement or the extreme speed of the damper (401).
CN202110625896.2A 2021-06-04 2021-06-04 Toggle joint type damping support for building main body structure Pending CN113250340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110625896.2A CN113250340A (en) 2021-06-04 2021-06-04 Toggle joint type damping support for building main body structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110625896.2A CN113250340A (en) 2021-06-04 2021-06-04 Toggle joint type damping support for building main body structure

Publications (1)

Publication Number Publication Date
CN113250340A true CN113250340A (en) 2021-08-13

Family

ID=77186486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110625896.2A Pending CN113250340A (en) 2021-06-04 2021-06-04 Toggle joint type damping support for building main body structure

Country Status (1)

Country Link
CN (1) CN113250340A (en)

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