CN208763234U - A kind of steel pipe built-in space hammer-throw-type impact damper - Google Patents
A kind of steel pipe built-in space hammer-throw-type impact damper Download PDFInfo
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- CN208763234U CN208763234U CN201821350865.0U CN201821350865U CN208763234U CN 208763234 U CN208763234 U CN 208763234U CN 201821350865 U CN201821350865 U CN 201821350865U CN 208763234 U CN208763234 U CN 208763234U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 238000013016 damping Methods 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 4
- 239000003190 viscoelastic substance Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model provides a kind of steel pipe built-in space hammer-throw-type impact damper, belongs to civil engineering vibration control technology field.The damper device realizes connection by spring thereon by annular flake shell and the spherical quality oscillator in its center, and multiple rigid rods are fixed on spherical quality oscillator;Annular outer cover, spherical quality oscillator, spring form tuned mass damper, offset steel-tube construction vibratory response caused by portion of external motivates.The viscoplasticity energy-absorbing cap and shell on rigid rod top generate collision simultaneously, consume a part of vibrational energy by collision, viscoplasticity energy-absorbing cap absorbs a part of vibrational energy.There are multiple springs that can play damping effect in a plurality of directions in planar annular, single damper is connected by connecting rod by space hammer-throw-type damper and is placed in round steel pipe, can be improved damping efficiency, reduces the shared space of installation and mounting cost.
Description
Technical field
The utility model belongs to civil engineering vibration control technology field, is related to a kind of steel pipe built-in space hammer-throw-type collision
Damper.
Background technique
Using damping come energy-obsorbing and damping, it is initially applied to space flight and aviation, military project, firearms, in automobile and other industries.From 20th century
After the seventies, foreign countries start step by step to be converted in the engineerings such as building, bridge, railway these technologies, develop very rapid.
To at the end of the 20th century, the whole world has a Structural Engineering more than nearly 100 and carrys out energy-obsorbing and damping with damper.It is using damper vibration damping
A kind of passive control system is to reduce structural response by increase structural damping, dissipation vibrational energy.Due to the letter of its device
The features such as list, material economy, good damping result, is with a wide range of applications in practical structures control.Damper type is numerous
More, the existing anti-rule in China are classified as displacement relationship type and speed relationship type.Be displaced relationship type damper energy consumption and its own
Deformation is related with opposite slide displacement, and there are commonly metal dampers and frcition damper.The damping of velocity-dependent damper
Characteristic is related with loading frequency, and there are commonly viscous dampers and viscoelastic damper.
The utility model is on a kind of basis of my patent applied for " space damper that more energy consumption modes combine "
On, the square body case of original spherical internal cavity is changed to thin annular outer cover, and elastic rod and connecting spring are subtracted and are limited to
Annular outer cover damper planar, with threaded elastic connection rod piece on the direction vertical with annular outer cover plane
Connect multiple dampers, be finally putting into round steel pipe, by the collision of spring oscillator and viscoelastic material and tube wall come
Energy-obsorbing and damping.A variety of energy consumption modes of existing original damper, and steel-tube construction can be simply acted on, improve vibration damping and installation effect
Rate.
Utility model content
The purpose of the utility model is to provide a kind of space hammer-throw-type damper being mounted on inside round steel pipe, the dampings
The advantages of device, is easy for installing, and has very high damping efficiency, and big noise will not be manufactured in the process of vibration damping, improves former
This damper is mounted on structural outer occupied space, and the disadvantage that damping efficiency is low.
The technical solution of the utility model includes:
A kind of hammer-throw-type space damper being placed in round steel pipe, including spherical quality oscillator 1, annular flake shell 2,
Spring 3, rigid rod 4, viscoplasticity energy-absorbing cap 5 and connecting rod 6;
Annular flake shell 2 is enclosed in outside, is bonded after putting round steel pipe into steel pipe inner wall, outside annular flake
The center that shell 2 surrounds, spherical quality oscillator 1 realize the connection with annular flake shell 2 by spring 3 thereon;Multiple rigidity
Bar 4 is fixed on spherical quality oscillator 1, vertical with spherical surface, and is limited in the plane at 2 place of annular flake shell, is protected
It demonstrate,proves there are certain distance between the viscoplasticity energy-absorbing cap 5 and annular flake shell 2 of 4 port of rigid rod, which passes through rigid rod 4
Length adjustment, an individual damper is formed with upper member, and multiple dampers are connected by the rod piece 6 of strap bolt
Hammer-throw-type space damper is formed to be placed in round steel pipe.It is vertical with steel pipe when affiliated steel-tube construction vibrates
The oscillating component in direction will lead to spring 3 and spherical quality oscillator 1 driven to generate vibration, the viscoplasticity energy-absorbing on 4 top of rigid bar
Cap 5 and annular flake shell 2 collide, and viscoelastic material absorbs vibrational energy;With the oscillating component meeting of steel pipe parallel direction
By in another steel pipe with this component orthogonal damper consumption, but the annular flake shell 2 of this damper with
The friction of steel pipe can also consume sub-fraction energy.
The quality of the spherical quality oscillator 1 is according to the frequency of placing position steel-tube construction and the vibration frequency of load come really
It is fixed.
The rigidity of the spring 3 is according to the frequency of placing position steel-tube construction and the vibration frequency of load and different directions
The requirement of vibration damping determines.
The length of the rigid rod 4 is determined according to the requirement of the different directions vibration damping of placing position steel-tube construction.
The length of the connecting rod 6 is determined according to the damping efficiency attenuation range of single damper.
When the steel-tube construction affiliated by the damper vibrates, it is connect by spring 3 with outer annular thin slice shell 2
Spherical quality oscillator 1 also generate vibration, tuned mass damper is formd with spring 3, caused by offsetting portion of external excitation
Steel-tube construction vibratory response.The vibration of spherical quality oscillator 1 can make the viscoplasticity energy-absorbing cap 5 and annular on 4 top of rigid rod simultaneously
Leaf package 2 generates collision, consumes a part of vibrational energy by collision, viscoplasticity energy-absorbing cap 5 absorbs a part of vibrational energy.
Spherical quality oscillator 1 is connected by the spring 3 in multiple directions with the annular outer cover inner wall of outer annular thin slice shell 2, in ball
Rigid rod 4 is arranged in 1 multiple directions of form quality amount oscillator, thus spherical quality oscillator 1 annular outer cover planar multiple
It can be vibrated on direction and rigid rod 4 and annular flake shell 2 can generate collision.
The utility model has the beneficial effects that being saved in the installation and round steel pipe of the damper energy simplicity of the utility model
The characteristics of a variety of energy consumption modes that space and installation cost inherit original damper combine, has reached good passive energy dissipation
Effect.It may be implemented by the length of the rigidity of adjusting all directions spring, the length of rigid rod and connecting rod different big
The function of small damping effect different with length steel-tube construction.
Detailed description of the invention
Fig. 1 is the structure overall schematic of the utility model.
Fig. 2 is the CONSTRUCTED SPECIFICATION schematic diagram of the utility model.
In figure: 1 spherical quality oscillator;2 annular flake shells;3 springs;4 rigid rods;5 viscoplasticity energy-absorbing caps;
6 connecting rods.
Specific embodiment
Below in conjunction with attached drawing and technical solution, specific embodiment of the present utility model is further illustrated.
A kind of hammer-throw-type space damper being built in round steel pipe, including spherical quality oscillator 1, annular flake shell
2, spring 3, rigid rod 4, viscoplasticity energy-absorbing cap 5, connecting rod 6;
Annular flake shell 2 is enclosed in outside, is bonded after putting round steel pipe into steel pipe inner wall, outside annular flake
The center that shell 2 surrounds, spherical quality oscillator 1 realize the connection with shell by spring 3 thereon;Multiple rigid rods 4 are fixed on
It is vertical with spherical surface on spherical quality oscillator 1, and be limited in the plane at 2 place of annular flake shell, guarantee rigid rod end
Viscoplasticity energy-absorbing cap 5 and annular flake shell 2 between there are certain distance, which passes through the length adjustment of rigid rod 4,
An individual damper is formed with upper member, and multiple dampers are connected by the rod piece of strap bolt 6 and are placed in circle
Hammer-throw-type space damper is formed in shape steel pipe.Vibration when affiliated steel-tube construction vibrates, with steel pipe vertical direction
Component will lead to spring 3 and spherical quality oscillator 1 driven to generate vibration, and the viscoplasticity energy-absorbing cap 5 and annular on 4 top of rigid bar are thin
Piece shell 2 collides, and viscoelastic material absorbs vibrational energy;With the oscillating component of steel pipe parallel direction can by another with
Damper consumption in the steel pipe of this component orthogonal, but the friction of the annular flake shell 2 of this damper and steel pipe
Sub-fraction energy can be consumed.
The quality of the spherical quality oscillator 1 is according to the frequency of placing position steel-tube construction and the vibration frequency of load come really
It is fixed.
The rigidity of the spring 3 is according to the frequency of placing position steel-tube construction and the vibration frequency of load and different directions
The requirement of vibration damping determines.
The length of the rigid rod 4 is determined according to the requirement of the different directions vibration damping of placing position steel-tube construction.
The length of the connecting rod 6 is determined according to the damping efficiency attenuation range of single damper.
When the steel-tube construction affiliated by the damper vibrates, it is connect by spring 3 with outer annular leaf package 2
Spherical quality oscillator 1 also generate vibration, tuned mass damper is formd with spring 3, caused by offsetting portion of external excitation
Steel-tube construction vibratory response.The vibration of spherical quality oscillator 1 can make the viscoplasticity energy-absorbing cap 5 and annular on 4 top of rigid rod simultaneously
Leaf package 2 generates collision, consumes a part of vibrational energy by collision, viscoplasticity energy-absorbing cap 5 absorbs a part of vibrational energy.
Spherical quality oscillator 1 in the spring 3 of multiple directions with the annular outer cover inner wall of outer annular leaf package 2 by being connected, in ball
Rigid rod 4 is arranged in 1 multiple directions of form quality amount oscillator, thus spherical quality oscillator 1 annular outer cover planar multiple
It can be vibrated on direction and rigid rod 4 and annular flake shell 2 can generate collision.
Claims (10)
1. a kind of steel pipe built-in space hammer-throw-type impact damper, which is characterized in that the steel pipe built-in space hammer-throw-type touches
Hitting damper includes spherical quality oscillator (1), annular flake shell (2), spring (3), rigid rod (4), viscoplasticity energy-absorbing cap (5)
With connecting rod (6);
Annular flake shell (2) is enclosed in outside, is bonded after putting round steel pipe into steel pipe inner wall, in annular flake shell
(2) center surrounded, spherical quality oscillator (1) realize the connection with annular flake shell (2) by spring (3) thereon;It is more
A rigid rod (4) is fixed on spherical quality oscillator (1), vertical with spherical surface, and is limited to where annular flake shell (2)
Plane in, guarantee between the viscoplasticity energy-absorbing cap (5) and annular flake shell (2) of rigid rod (4) port there are certain distance,
The distance passes through the length adjustment of rigid rod (4), forms an individual damper with upper member;Pass through the connecting rod of strap bolt
Part (6), which connects multiple dampers, is placed in formation hammer-throw-type impact damper in round steel pipe;When the circular steel
When pipe structure is vibrated, it will lead to spring (3) with the oscillating component of round steel pipe vertical direction and drive spherical quality oscillator (1)
Vibration is generated, the viscoplasticity energy-absorbing cap (5) and annular flake shell (2) on rigid rod (4) top collide, viscoplasticity energy-absorbing cap
(5) vibrational energy is absorbed;Oscillating component with round steel pipe parallel direction can be by the circle of another and this component orthogonal
Damper consumption in steel pipe, but the friction of the annular flake shell (2) of this damper and round steel pipe can also consume one
Fraction energy.
2. steel pipe built-in space hammer-throw-type impact damper according to claim 1, which is characterized in that the spherical matter
The quality of amount oscillator (1) is determined according to the frequency of placing position steel-tube construction and the vibration frequency of load.
3. steel pipe built-in space hammer-throw-type impact damper according to claim 1 or 2, which is characterized in that the bullet
The rigidity of spring (3) is according to the requirement of the frequency of placing position steel-tube construction and the vibration frequency of load and different directions vibration damping come really
It is fixed.
4. steel pipe built-in space hammer-throw-type impact damper according to claim 1 or 2, which is characterized in that described is rigid
The length of property bar (4) is determined according to the requirement of the different directions vibration damping of placing position steel-tube construction.
5. steel pipe built-in space hammer-throw-type impact damper according to claim 3, which is characterized in that the rigid rod
(4) length is determined according to the requirement of the different directions vibration damping of placing position steel-tube construction.
6. according to claim 1, steel pipe built-in space hammer-throw-type impact damper described in 2 or 5, which is characterized in that described
The length of connecting rod (6) is determined according to the damping efficiency attenuation range of single damper.
7. steel pipe built-in space hammer-throw-type impact damper according to claim 3, which is characterized in that the connecting rod
The length of part (6) is determined according to the damping efficiency attenuation range of single damper.
8. steel pipe built-in space hammer-throw-type impact damper according to claim 4, which is characterized in that the connecting rod
The length of part (6) is determined according to the damping efficiency attenuation range of single damper.
9. according to claim 1, steel pipe built-in space hammer-throw-type impact damper described in 2,5,7 or 8, which is characterized in that institute
The thickness and size for the viscoplasticity energy-absorbing cap (5) stated are determined according to the size of the impact force of single damper.
10. steel pipe built-in space hammer-throw-type impact damper according to claim 6, which is characterized in that the viscoelastic
The thickness and size of property energy-absorbing cap (5) are determined according to the size of the impact force of single damper.
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CN201821350865.0U CN208763234U (en) | 2018-08-22 | 2018-08-22 | A kind of steel pipe built-in space hammer-throw-type impact damper |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
WO2020037529A1 (en) * | 2018-08-22 | 2020-02-27 | 大连理工大学 | Steel pipe built-in spatial hammer-type impact damper |
-
2018
- 2018-08-22 CN CN201821350865.0U patent/CN208763234U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108951913A (en) * | 2018-08-22 | 2018-12-07 | 大连理工大学 | A kind of steel pipe built-in space hammer-throw-type impact damper |
WO2020037529A1 (en) * | 2018-08-22 | 2020-02-27 | 大连理工大学 | Steel pipe built-in spatial hammer-type impact damper |
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