CN217811714U - Displacement amplification type viscoelastic coupling beam damper - Google Patents

Displacement amplification type viscoelastic coupling beam damper Download PDF

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Publication number
CN217811714U
CN217811714U CN202222075583.7U CN202222075583U CN217811714U CN 217811714 U CN217811714 U CN 217811714U CN 202222075583 U CN202222075583 U CN 202222075583U CN 217811714 U CN217811714 U CN 217811714U
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connecting plate
plate
viscoelastic
displacement
beam damper
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CN202222075583.7U
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张超
黄镇钦
周云
李家乐
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Guangzhou University
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Guangzhou University
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Abstract

The utility model provides a displacement amplification type viscoelastic even roof beam attenuator, including left connecting plate, right connecting plate and an even number rotation connecting plate, rotation connecting plate symmetrical arrangement is in the both sides of left side connecting plate and right connecting plate, the both ends of rotation connecting plate respectively with left side connecting plate with right side connecting plate is articulated, rotate the connecting plate with left side connecting plate with it has viscoelastic power consumption board all to bond between the right side connecting plate. This attenuator is through setting up the viscoelastic energy consumption board between the tip of left connecting plate and rotation connecting plate and between the tip of right connecting plate and rotation connecting plate, rotates the connecting plate and drives the viscoelastic energy consumption board and rotate the power consumption, provides the damping force by the viscoelastic energy consumption board, makes the attenuator can dissipate a large amount of seismic energy under less rotational deformation, and in addition the displacement amplification mechanism that rotates the connecting plate can effectively promote the power consumption effect.

Description

Displacement amplification type viscoelastic coupling beam damper
Technical Field
The utility model belongs to the technical field of building structure power consumption component technique and specifically relates to a displacement amplification type viscoelastic coupling beam damper.
Background
The reinforced concrete shear wall structure has high lateral stiffness and high bearing capacity, and is an important structural member in a high-rise structural system. In practical use, holes are often required to be formed in the shear wall for the purposes of structural stress rationality, building application and the like, and a connecting beam with a large high-span ratio is formed. The coupling beam is usually designed as the first line of defense of the shear wall structure for seismic fortification, so as to protect the safety of the main body structure. The deformation characteristic and the stress condition of the connecting beam are combined, a connecting beam damper is usually arranged in the connecting beam span, so that the deformation and the energy consumption of the connecting beam in the earthquake are concentrated in the connecting beam damper, and the wall limb and the elastic end of the connecting beam are protected from serious damage.
Viscoelastic dampers, one of the most common structural vibration control devices, have the characteristics of being able to start working under small displacement, low cost, good durability, etc., and are widely used in the field of civil engineering. However, the common viscoelastic coupling beam damper is a displacement-related damper, and the energy consumption of the damper is low under small deformation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a displacement amplification type viscoelastic even roof beam attenuator produces the damping power consumption of rotating between rotation connecting plate and the left and right connecting plate.
The utility model provides a displacement amplification type viscoelastic even roof beam attenuator, rotate the connecting plate including left connecting plate, right connecting plate and even number, it is in to rotate the connecting plate symmetrical arrangement the both sides of left side connecting plate and right connecting plate, rotate the both ends of connecting plate respectively with left side connecting plate with right side connecting plate is articulated, rotate the connecting plate with left side connecting plate with viscoelastic power consumption board all bonds between the right side connecting plate.
Further, left side connecting plate includes mutual welded connection's left end board and left riser, right side connecting plate includes mutual welded right end board and right riser, left side riser with right riser all articulates in two symmetries and sets up rotate between the connecting plate.
Furthermore, the left vertical plate is hinged to the rotating connecting plate, and the right vertical plate is hinged to the rotating connecting plate through high-strength bolts.
Furthermore, the quantity of rotation connecting plate is four, per two the rotation connecting plate mutually supports the symmetry and installs both sides around left riser and right riser.
Further, left side riser with two first connecting holes have all been seted up on the riser of the right side, second connect the through-hole has been seted up respectively to the both ends of rotation connecting plate, the bolt that excels in passes through first connect the through-hole with second connect the through-hole through connection left side riser and rotation connecting plate and right riser and rotation connecting plate, lock nut is installed to the tip of the bolt that excels in.
Further, the first connecting through hole and the second connecting through hole have the same aperture.
Furthermore, the rotating connection plate is of a dumbbell-shaped structure, bosses are arranged on one sides, close to the left vertical plate and the right vertical plate, of the rotating connection plate, and the thickness of each boss is smaller than that of the viscoelastic energy dissipation plate.
Further, the shape of the viscoelastic energy consumption plate is the same as that of the end part of the rotating connecting plate.
Furthermore, four corners of the left end plate and four corners of the right end plate are provided with anchor bar through holes.
Further, the viscoelastic energy dissipation plate is made of viscoelastic material.
Compared with the prior art, the beneficial effects of the utility model are that: the damper is through setting up viscoelastic energy consumption board between the tip of left connecting plate and rotation connecting plate and between the tip of right connecting plate and rotation connecting plate, rotates the connecting plate and drives viscoelastic energy consumption board and rotate the power consumption, provides the damping force by viscoelastic energy consumption board, makes the damper can dissipate a large amount of seismic energy under less rotational deformation, and the displacement amplification mechanism of rotation connecting plate in addition can effectively promote the power consumption effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural view of a middle left connecting plate of the present invention;
FIG. 4 is a schematic view of the structure of the right and middle connection plates of the present invention;
FIG. 5 is a schematic view of the structure of the rotating connecting plate of the present invention;
description of reference numerals: 1-left connecting plate, 101-left end plate, 102-left vertical plate, 2-right connecting plate, 201-right end plate, 202-right vertical plate, 3-rotating connecting plate, 301-boss, 4-viscoelastic energy consumption plate, 5-high-strength bolt, 6-locking nut, 7-first connecting through hole, 8-second connecting through hole and 9-anchor bar through hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 to 5, a displacement amplifying type viscoelastic coupling beam damper includes a left coupling plate 1, a right coupling plate 2, and an even number of rotating coupling plates 3, wherein: left connecting plate 1 includes mutual welded connection's left end board 101 and left riser 102, and right connecting plate 2 includes mutual welded right end board 201 and right riser 202, and left riser 102 and right riser 202 all articulate between the rotation connecting plate 3 that two symmetries set up, and four corners of left end board 101 and four corners of right end board 201 all are equipped with anchor bar through-hole 9, and accessible anchor bar runs through anchor bar through-hole 9 and installs this even roof beam attenuator in shear force wall limb. The quantity of the connecting plate 3 that rotates in this embodiment sets up to four, and every two rotate connecting plate 3 and mutually support the symmetry and install both sides around left riser 102 and right riser 202, and the rotation connecting plate 3 of every side is parallel arrangement from top to bottom, and the certain distance in interval.
The both ends of rotation connecting plate 3 are articulated with left riser 102 and right riser 202 respectively, and is specific: the left vertical plate 102 and the rotating connecting plate 3 and the right vertical plate 202 and the rotating connecting plate 3 are hinged through high-strength bolts 5; two first connecting holes 7 are formed in the left vertical plate 102 and the right vertical plate 202, second connecting through holes 8 are formed in the two ends of the rotating connecting plate 3 respectively, the first connecting through holes 7 are identical to the second connecting through holes 8 in hole diameter, the high-strength bolt 5 penetrates through the first connecting through holes 7 and the second connecting through holes 8 to be connected with the left vertical plate 102, the rotating connecting plate 3 and the through connecting right vertical plate 202 and the rotating connecting plate 3, the locking nut 6 is installed at the end portion of the high-strength bolt 5, the high-strength bolt 5 is in close contact with the hole walls of the first connecting through holes 7 and the second connecting through holes 8, the rotating capacity of a component is guaranteed by the high-strength bolt 5, and meanwhile, the conduction of shearing force and axial force between the left connecting plate 1 and the right connecting plate 2 and the rotating connecting plate 3 can be guaranteed.
The first connecting through hole 7 on the left vertical plate 102 and the right vertical plate 202 is reserved with a certain distance from the edge, so that the high-strength bolt 5 is prevented from shearing the left vertical plate 102 and the right vertical plate 202 under large axial force. Because the high-strength bolt 5 needs to bear larger shearing force and axial force, the high-strength bolt 5 with larger diameter and higher strength needs to be selected to avoid deformation failure.
Viscoelastic energy consumption plates 4 are bonded between the rotary connecting plate 3 and the left vertical plate 102 and the right vertical plate 202, the rotary connecting plate 3 is of a dumbbell-shaped structure, a boss 301 is arranged on one side, close to the left vertical plate 102 and the right vertical plate 202, of the rotary connecting plate 3, the thickness of the boss 301 is slightly smaller than or equal to that of the viscoelastic energy consumption plates 4, the rotary connecting plate 3, the left vertical plate 102, the rotary connecting plate 3 and the right vertical plate 202 can clamp the viscoelastic energy consumption plates 4, rotary damping force is generated between the left vertical plate 102 and the rotary connecting plate 3 and between the right vertical plate 202 and the rotary connecting plate 3, the rotary damping force is used for consuming seismic energy, contact surfaces of the boss 301 and the left vertical plate 102 and the right vertical plate 202 are polished smoothly, and friction coefficients between the boss 301 and the left vertical plate 102 and the right vertical plate 202 are reduced as much as possible. The shape of the viscoelastic energy consumption plate 4 is the same as that of the end part of the rotating connecting plate 3. The viscoelastic energy consumption plate 4 can be bonded with the rotating connecting plate 3, the left vertical plate 102 and the right vertical plate 202 through high-temperature and high-pressure vulcanization treatment.
The viscoelastic energy dissipation plate 4 is made of viscoelastic materials such as rubber and resin.
The working principle is as follows:
through left connecting plate 1, right connecting plate 2 and the cooperative work of rotation connecting plate 3 provide the restraint as both sides shear force wall limb, also can drive viscoelastic energy consumption board 4 dissipation seismic energy through the rotation displacement that rotates connecting plate 3, it drives viscoelastic energy consumption board 4 and rotates the power consumption to rotate when rotating connecting plate 3 and taking place to rotate, can dissipate a large amount of seismic energy under less deformation, and can effectively promote viscoelastic energy consumption effect of viscoelastic energy consumption board 4 through the displacement amplification mechanism that rotates connecting plate 3, viscoelastic energy consumption board 4 has good durability. The displacement amplification mechanism is realized by a lever principle, and the displacement amplification degree is in direct proportion to the distance from the viscoelastic energy consumption plate to the high-strength bolt 5.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. The displacement amplification type viscoelastic coupling beam damper is characterized by comprising a left connecting plate, a right connecting plate and an even number of rotating connecting plates, wherein the rotating connecting plates are symmetrically arranged on two sides of the left connecting plate and the right connecting plate, two ends of each rotating connecting plate are respectively hinged with the left connecting plate and the right connecting plate, and viscoelastic energy dissipation plates are bonded between the rotating connecting plates and the left connecting plate and between the rotating connecting plates and the right connecting plate.
2. The displacement-amplifying viscoelastic beam damper according to claim 1, wherein the left connecting plate comprises a left end plate and a left riser which are welded to each other, the right connecting plate comprises a right end plate and a right riser which are welded to each other, and the left riser and the right riser are both hinged between the two symmetrically arranged rotating connecting plates.
3. The displacement-amplifying viscoelastic coupling beam damper as claimed in claim 2, wherein the left vertical plate and the rotation connecting plate and the right vertical plate and the rotation connecting plate are hinged by high-strength bolts.
4. The displacement amplification type viscoelastic beam damper as claimed in claim 3, wherein the number of the rotation connecting plates is four, and every two rotation connecting plates are mutually fitted and symmetrically installed at the front and rear sides of the left and right risers.
5. The displacement amplification type viscoelastic coupling beam damper according to claim 3, wherein the left vertical plate and the right vertical plate are all provided with two first connecting through holes, the two ends of the rotating connecting plate are respectively provided with second connecting through holes, the high-strength bolt passes through the first connecting through holes and the second connecting through holes in a penetrating manner to connect the left vertical plate and the rotating connecting plate as well as the right vertical plate and the rotating connecting plate, and a locking nut is installed at the end part of the high-strength bolt.
6. The displacement amplifying viscoelastic coupling beam damper according to claim 5, wherein the first connecting through hole and the second connecting through hole have the same hole diameter.
7. The displacement amplified viscoelastic coupling beam damper as claimed in claim 2, wherein the rotation connection plate is of a dumbbell-shaped structure, and a boss is provided on one side of the rotation connection plate close to the left vertical plate and the right vertical plate, and the boss has a thickness smaller than or equal to that of the viscoelastic dissipative beam.
8. The displacement amplified viscoelastic coupling beam damper as claimed in claim 1, wherein the viscoelastic dissipative plate has the same shape as the end of the rotating connection plate.
9. The displacement amplified viscoelastic coupling beam damper as claimed in claim 2, wherein there are anchor bar through holes at each of the four corners of the left end plate and the right end plate.
10. The displacement amplifying viscoelastic coupling beam damper as in claim 1, wherein the viscoelastic dissipative plate is made of a viscoelastic material.
CN202222075583.7U 2022-08-08 2022-08-08 Displacement amplification type viscoelastic coupling beam damper Active CN217811714U (en)

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Application Number Priority Date Filing Date Title
CN202222075583.7U CN217811714U (en) 2022-08-08 2022-08-08 Displacement amplification type viscoelastic coupling beam damper

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Application Number Priority Date Filing Date Title
CN202222075583.7U CN217811714U (en) 2022-08-08 2022-08-08 Displacement amplification type viscoelastic coupling beam damper

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115773028A (en) * 2022-12-02 2023-03-10 广州大学 Rotary type double-step friction energy dissipater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115773028A (en) * 2022-12-02 2023-03-10 广州大学 Rotary type double-step friction energy dissipater

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