Rotary metal composite damper

Abstract

The utility model belongs to the technical field of energy dissipation structures, and discloses a rotary metal composite damper which comprises constraint plates, and a first force bearing space is defined between every two adjacent constraint plates. The shear plates are arranged at the first force bearing space, a second force bearing space is formed by the adjacent restraint plates and the shear plates, and / or the second force bearing space is limited by the two adjacent shear plates; the composite viscoelastic piece is arranged in the second force bearing space; and the force bearing connecting part comprises a first energy consumption body coaxially penetrating through the restraining plate, the shearing plate and the composite viscoelastic piece, and a second energy consumption body coaxially penetrating through the restraining plate, the shearing plate and the composite viscoelastic piece. According to the energy dissipation and shock absorption damper, various composite energy dissipation structures are adopted for energy dissipation and shock absorption, so that the overall structure is stable, the good energy dissipation effect is achieved, and the energy dissipation and shock absorption damper can be widely applied to manufacturing of energy dissipation and shock absorption dampers.

Description

TECHNICAL FIELD

[0001] The utility model belongs to energy consumption structure technical field, concretely relates to a rotating metal composite damper. BACKGROUND

[0002] Structural energy dissipation and shock absorption technology is to set energy dissipation device in some parts of structure, energy dissipation device enters working state first before main structure enters inelastic state, and energy dissipation device generates elastic-plastic hysteresis deformation to dissipate energy or absorb energy of earthquake input structure, so as to reduce seismic response of main structure. Energy dissipation and shock absorption technology has been widely used at present.

[0003] Energy dissipation and shock absorption devices in prior art mostly adopt single material to dissipate energy, and the damping effect is general, and for various types of strain, the energy dissipation and damping effect is unstable and the effective service life is short.

[0004] Therefore, it is urgent to provide a rotating metal composite damper, which dissipates energy by simultaneously bearing shear load and working together with various energy dissipation materials. UTILITY MODEL CONTENTS

[0005] The utility model discloses to overcome the insufficient of prior art, provide a rotating metal composite damper, through the structure improvement design of many aspects, adopt the energy dissipation and shock absorption of composite various energy dissipation structures, have good energy dissipation effect, and make the whole structure stable, make its energy dissipation and damping effect stable and the effective service life is prolonged.

[0006] The utility model provides the following technical scheme:

[0007] A rotating metal composite damper, comprising:

[0008] The constraint plate is defined between the two adjacent constraint plates First bearing space;

[0009] The shear plate is provided at the first bearing space, and the second bearing space is formed by the adjacent constraint plate and the shear plate, and / or

[0010] The second bearing space is defined by the two adjacent shear plates;

[0011] The composite viscoelastic piece is provided in the second bearing space;

[0012] The bearing connection part comprises

[0013] The first energy dissipation body is coaxially penetrated through the constraint plate, the shear plate and the composite viscoelastic piece,

[0014] The second energy dissipation body is coaxially penetrated through the constraint plate, the shear plate and the composite viscoelastic piece.

[0015] Further, the first energy dissipation body comprises:

[0016] A pin shaft is coaxially connected through the first pin shaft hole of the constraint plate, the second pin shaft hole of the shear plate and the third pin shaft hole of the composite viscoelastic member.

[0017] An energy dissipation steel pipe is sleeved on the outer wall of the pin shaft and in contact with the hole wall of the first pin shaft hole, the second pin shaft hole and / or the third pin shaft hole.

[0018] Further, the second energy dissipation body is coaxially connected through the first through hole of the constraint plate, the second through hole of the shear plate and the third through hole of the composite viscoelastic member.

[0019] Further, the composite viscoelastic member comprises a metal plate and a composite viscoelastic body which are sequentially laminated.

[0020] Further, a plurality of the second energy dissipation bodies are arranged around the first energy dissipation body.

[0021] Further, the pin shaft is arranged in size cooperation with the first pin shaft hole and the second pin shaft hole, the energy dissipation steel pipe is sleeved on the pin shaft at the third pin shaft hole, and the energy dissipation steel pipe is in contact with the hole wall of the third pin shaft hole.

[0022] Further, the energy dissipation steel pipe is arranged in equal diameter or unequal diameter along the axis thereof.

[0023] Further, the second energy dissipation body is arranged in a circumferential array with the first energy dissipation body as the center.

[0024] Further, the second energy dissipation body is a lead core.

[0025] Further, the lead core is arranged in equal diameter or unequal diameter along the axis thereof, and the lead core is connected in size cooperation with the first through hole, the second through hole and the third through hole respectively.

[0026] The utility model has the following advantages relative to the prior art:

[0027] The utility model provides a rotary metal composite damper, through many aspects' structural improvement design, adopts composite multiple energy dissipation structures to carry out energy dissipation and shock absorption, has good energy dissipation effect, and makes the whole structure stable, makes energy dissipation damping effect stable and effectively prolongs the service life.

[0028] Under the same kind of rotary deformation, the pin shaft bears the shear load, the constraint plate and the shear plate rotate and displace in two opposite directions, at this time, the energy dissipation steel pipe twists and deforms, and the second energy dissipation body and the composite viscoelastic member relatively shear.

[0029] The energy dissipation effect of the utility model can be effectively enhanced by utilizing the torsional distortion of the energy dissipation steel pipe, the plastic deformation of the second energy dissipation body and the shear hysteresis deformation of the composite viscoelastic member.

[0030] The utility model discloses a combination between the first energy dissipation body, the second energy dissipation body and the composite viscoelastic member, which can enter the energy dissipation state under very small displacement, and the working mechanism is clear and the structure is reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the overall appearance structure schematic diagram of the rotating metal composite damper provided by the utility model embodiment;

[0032] Figure 2 It is the explosion structure schematic diagram of the rotating metal composite damper provided by the utility model embodiment;

[0033] Figure 3 It is the structure schematic diagram of the constraint plate provided by the utility model embodiment;

[0034] Figure 4 It is the structure schematic diagram of the shear plate provided by the utility model embodiment;

[0035] Figure 5 It is the structure schematic diagram of the composite viscoelastic member provided by the utility model embodiment;

[0036] Figure 6 It is the structure schematic diagram of the lead core provided by the utility model embodiment;

[0037] Figure 7 It is the structure schematic diagram of the energy dissipation steel pipe provided by the utility model embodiment.

[0038] Among them,

[0039] 1, constraint plate;2, shear plate;3, composite viscoelastic member;4, lead core;5, energy dissipation steel pipe;6, pin shaft;

[0040] 11, first pin shaft hole;12, first through hole;

[0041] 21, second pin shaft hole;22, second through hole;

[0042] 31, third pin shaft hole;23, third through hole;

[0043] 33, composite viscoelastic body;34, thin steel plate. DETAILED DESCRIPTION

[0044] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below with reference to the drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0045] Embodiment one

[0046] The rotating metal composite damper provided by the embodiments includes: Figures 1-2 as shown in the drawings, which comprises:

[0047] The constraint plate 1 defines a first force bearing space between two adjacent constraint plates 1.

[0048] The shear plate 2 is arranged at the first force bearing space, and a second force bearing space is formed by the adjacent constraint plate 1 and the shear plate 2, and / or a second force bearing space is defined by two adjacent shear plates 2.

[0049] The composite viscoelastic member 3 is arranged in the second force bearing space.

[0050] The force bearing connecting part includes a first energy dissipation body coaxially penetrating the constraint plate 1, the shear plate 2 and the composite viscoelastic member 3, and a second energy dissipation body coaxially penetrating the constraint plate 1, the shear plate 2 and the composite viscoelastic member 3.

[0051] Further, the first energy dissipation body includes:

[0052] The pin shaft 6 is coaxially connected through the first pin shaft hole 11 arranged in the constraint plate 1, the second pin shaft hole 21 arranged in the shear plate 2 and the third pin shaft hole 31 arranged in the composite viscoelastic member 3.

[0053] The energy dissipation steel pipe 5 is sleeved on the outer wall of the pin shaft 6 and in contact with the hole wall of the first pin shaft hole 11 and / or the second pin shaft hole 21 and / or the third pin shaft hole 31.

[0054] Further, the second energy dissipation body is coaxially connected through the first through hole 12 arranged in the constraint plate 1, the second through hole 22 arranged in the shear plate 2 and the third through hole 23 arranged in the composite viscoelastic body 33.

[0055] Further, the composite viscoelastic member 3 includes sequentially laminated metal plates and a composite viscoelastic body 33.

[0056] Further, a plurality of second energy dissipation bodies are arranged around the first energy dissipation body.

[0057] Furthermore, the pin 6 is sized to fit the first pin hole 11 and the second pin hole 21, and the energy-consuming steel pipe 5 is sleeved on the pin 6 at the third pin hole 31, and the energy-consuming steel pipe 5 is in contact with the hole wall of the third pin hole 31.

[0058] Furthermore, the energy-consuming steel pipe 5 is arranged with equal or unequal diameters along its axis.

[0059] Furthermore, the second energy-consuming element is arranged in a circular array with the first energy-consuming element as the center.

[0060] Furthermore, the second energy-consuming element is a lead core 4.

[0061] Furthermore, the lead core 4 is arranged with equal or unequal diameters along its axis, and the lead core 4 is respectively connected to the first through hole 12, the second through hole 22 and the third through hole 23 in dimensional matching.

[0062] Example 2

[0063] The rotating metal composite damper provided in this embodiment is a specific embodiment based on Embodiment 1, such as... Figures 1-6 As shown, the rotating metal composite damper includes two constraint plates 1, one shear plate 2, at least two composite viscoelastic elements 3, two energy-dissipating steel pipes 5, several lead cores 4, and a pin 6. The constraint plate 1 has a first pin hole 11 and a first through hole 12; the shear plate 2 has a second pin hole 21 and a second through hole 22; and the composite viscoelastic element 3 has a third pin hole 31 and a third through hole 23. The constraint plate 1 and shear plate 2 are placed parallel to each other. The two ends of the energy-dissipating steel pipes 5 are connected to the shear plate 2 and the constraint plate 1, respectively. The pin 6 passes through the two constraint plates 1, the one shear plate 2, and the two energy-dissipating steel pipes 5, and constrains the deformation mode of the shear plate 2 and the constraint plate 1 to rotational deformation around the center of the pin 6. A composite viscoelastic element 3 is provided between each of the shear plates 2 and each of the constraint plates 1 to connect them. Several lead cores 4 are evenly arranged around the pin 6, with the first pin hole 11, the second pin hole 21, and the third pin hole 31 as the center. The two ends and the middle part of the lead cores 4 are connected to the constraint plate 1 and the shear plate 2 respectively. In the event of rotational deformation, the pin 6 has sufficient strength and stiffness to ensure that the damper undergoes rotational deformation. The two constraint plates 1 and the shear plate 2 rotate in opposite directions. The damper uses the pin 6 to bear the shear load and utilizes the resisting moment provided by the torsional buckling of the energy-dissipating steel pipe 5, the plastic deformation of the lead cores 4, and the shear hysteresis deformation of the composite viscoelastic element 3 to dissipate the energy input from the earthquake.

[0064] Further, the energy dissipation steel tube 5 is coaxial with the first pin shaft hole 11, the second pin shaft hole 21 and the third pin shaft hole 31, has a circular tube cross section, but the size of the cross section can vary along the axial direction of the energy dissipation steel tube 5, or the energy dissipation steel tube 5 can be cut, perforated or processed in other forms at local positions based on the structure.

[0065] Further, the composite viscoelastic member 3 is composed of materials with viscoelasticity (such as rubber) and thin steel plates in turn.

[0066] Further, the composite viscoelastic member 3 is arranged in a continuous or multi-segment form; and can also be in a circular, square or other shapes.

[0067] Further, the constraint plate 1 is provided with a plurality of first through holes 12, the shear plate 2 is provided with a plurality of second through holes 22, and the composite viscoelastic member 3 is provided with a plurality of third through holes 23, and the number of the first through holes 12 on each constraint plate 1, the number of the second through holes 22 on each shear plate 2 and the number of the third through holes 23 on each composite viscoelastic member 3 are the same. Two constraint plates 1, one shear plate 2 and two composite viscoelastic members 3 are connected to each other, the first through holes 12, the second through holes 22 and the third through holes 23 are arranged in a ring shape around the first pin shaft hole 11, the second pin shaft hole 21 and the third pin shaft hole 31 respectively, and the array radii are the same. In addition, only one ring of the lead core 4 can be provided, or multiple rings of the lead core 4 can be provided. The lead core 4 passes through the first through hole 12, the third through hole 23 and the second through hole 22 in turn, the two ends of the lead core 4 are connected to the constraint plate 1, and the middle part is connected to the shear plate 2.

[0068] Further, the constraint plate 1 is provided with a first pin shaft hole 11, the shear plate 2 is provided with a second pin shaft hole 21, and the composite viscoelastic member 3 is provided with a third pin shaft hole 31. The first pin shaft hole 11, the second pin shaft hole 21 and the third pin shaft hole 31 are coaxial in a circular shape, the two ends of the pin shaft 6 are connected to the constraint plate 1, and the middle part is connected to the shear plate 2. The diameter of the pin shaft 6 matches the first pin shaft hole 11 and the second pin shaft hole 21, and the pin shaft 6 passes through the first pin shaft hole 11 and the second pin shaft hole 21 to form a hinged connection with the constraint plate 1 and the shear plate 2, and the composite viscoelastic member 3 is arranged between each constraint plate 1 and each shear plate 2.

[0069] Further, the lead core 4 penetrates the first through hole 12, the second through hole 22 and the third through hole 23, and the lead core 4 can be replaced by other energy dissipation materials, and the form of the energy dissipation materials can be optimized.

[0070] The pin shaft 6 bears the shearing load under the same rotating deformation, the two constraint plates 1 and the shearing plate 2 rotate in opposite directions, at this time, the energy-consuming steel pipe 5 is deformed in torsion, the lead core 4 and the composite viscoelastic member 3 are relatively sheared. The damper dissipates the energy of the earthquake input by the resistance torque provided by the torsional buckling of the energy-consuming steel pipe 5, the plastic deformation of the lead core 4 and the shearing hysteresis deformation of the composite viscoelastic member 3, and can effectively enhance the energy consumption effect. The effective utilization of the three energy-consuming elements can make the damper enter the energy consumption state under a small displacement, the working mechanism is clear, and the structure is reasonable.

[0071] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them. Other embodiments can include structural, logical, electrical, process, and other changes. The embodiments represent only a few of the possible variations. Individual components and acts are optional and the order of the operations can vary, unless explicitly required. Parts and features of some embodiments can be included or substituted for parts and features of other embodiments. Also, the words used in this application are used only to describe the embodiments and not to limit the claims.

Claims

1. A rotating metal composite damper, characterized by, It comprises: a constraint plate, two adjacent constraint plates define a first bearing space; a shear plate, provided at the first bearing space, and a second bearing space is formed by the adjacent constraint plate and the shear plate, and / or a second bearing space is defined by two adjacent shear plates; a composite viscoelastic member is provided in the second bearing space; a bearing connection part, comprising a first energy dissipation body coaxially penetrating the constraint plate, the shear plate and the composite viscoelastic member, a second energy dissipation body coaxially penetrating the constraint plate, the shear plate and the composite viscoelastic member.

2. The rotational metal composite damper of claim 1, wherein The first energy dissipation body comprises: a pin shaft coaxially connected through the first pin shaft hole of the constraint plate, the second pin shaft hole of the shear plate and the third pin shaft hole of the composite viscoelastic member; an energy dissipation steel pipe is sleeved on the outer wall of the pin shaft and contacts the hole wall of the first pin shaft hole and / or the second pin shaft hole and / or the third pin shaft hole.

3. The rotational metallic composite damper of claim 1, wherein The second energy dissipation body is coaxially connected through the first through hole of the constraint plate, the second through hole of the shear plate and the third through hole of the composite viscoelastic body.

4. The rotational metal composite damper according to any one of claims 1 to 3, wherein The composite viscoelastic member comprises a metal plate and a composite viscoelastic body stacked in sequence.

5. The rotational metallic composite damper of claim 3, wherein A plurality of second energy dissipation bodies are arranged around the first energy dissipation body.

6. The rotational metallic composite damper of claim 2, wherein The pin shaft is arranged in size with the first pin shaft hole and the second pin shaft hole, the energy dissipation steel pipe is sleeved on the pin shaft at the third pin shaft hole, and the energy dissipation steel pipe contacts the hole wall of the third pin shaft hole.

7. The rotational metallic composite damper of claim 6, wherein The energy dissipation steel pipe is arranged with equal diameter or unequal diameter along its axis.

8. The rotational metallic composite damper of claim 5, wherein, The second energy dissipation body is arranged in a circular array with the first energy dissipation body as the center.

9. The rotational metallic composite damper of claim 8, wherein, The second energy dissipation body is a lead core.

10. The rotational metallic composite damper of claim 9, wherein, The lead core is arranged with equal diameter or unequal diameter along its axis, and the lead core is connected in size with the first through hole, the second through hole and the third through hole respectively.

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