CN208501954U - A kind of current vortex impact damper - Google Patents
A kind of current vortex impact damper Download PDFInfo
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- CN208501954U CN208501954U CN201821052457.7U CN201821052457U CN208501954U CN 208501954 U CN208501954 U CN 208501954U CN 201821052457 U CN201821052457 U CN 201821052457U CN 208501954 U CN208501954 U CN 208501954U
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- partition
- collision body
- magnetic substance
- current vortex
- permanent magnet
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Abstract
The utility model relates to a kind of current vortex impact dampers.Its technical solution is: being horizontally equipped with partition (4) between cover board and bottom plate, the left end of partition (4) and right end connection corresponding with the left plate of cabinet (2) and right side plate, left plate and right side plate between partition (4) and cover board are respectively fixed with baffle (3).It is placed with collision body (1) in damper cavity (6), the collision body (1) is sphere or is cylindrical body, and damper cavity (6) is highly identical as the nominal size of collision body (1) diameter.Damper cavity (6) width and sphere diameter are identical as the nominal size of cylinder length, and the length of damper cavity (6) is 2~4 times of collision body (1) diameter.Middle position between partition (4) and bottom plate is fixed with magnetic substance (5), and magnetic substance (5) is permanent magnet iron or is electromagnet.The utility model has the characteristics that simple structure, low cost, easy to maintain, reliable for operation, long service life and energy efficiency are high.
Description
Technical field
The utility model belongs to composite buffer technical field.In particular to a kind of current vortex impact damper.
Background technique
Outside energy input is needed not rely on by movement controller, energy, drop are absorbed by vibration isolation, absorbing and energy-consuming device etc.
The energy that low structure itself needs to absorb, achievees the purpose that vibration damping.Impact damper is by one kind of movement controller.Collisional damping
During the work time, Energy Dissipation Mechanism is that due to collision front and back velocity variations momentum occurs for main system and collision body between each other to device
Transmitting, causes energy by collision.Although impact damper structure is simple, it is easy to use, cheap, without power supply, can be in pole
End ring uses under border, but energy consumption is only generated in the stage that system collides, and there are the lower defects of energy efficiency.In recent years
Due to the rapid development of impact damper, in mechanical turbine blade, high speed rail, manipulator, lathe, aircraft, automobile, boat
It is all widely used in the vibration control in the fields such as sky flying-boat and skyscraper.
Eddy current damper is a kind of novel device that damping is generated using electromagnetic induction principle, eddy current damper
Principle is that conductive non-magnetic free quality cutting magnetic induction line in variable motion will generate induced electromotive force in conductor,
Current vortex is formed, the heat of conductor is converted vibrational energy into, to realize vibration control.Though eddy current damper has non-connect
Touching, without mechanical friction and wear, without lubrication and the service life it is long the advantages that, but only in the free mass motion stage generate energy consumption,
Energy efficiency is relatively low.So impact damper only generates energy by collision, eddy-current damping at the end of system stages movement
Device only generates current vortex energy consumption in system stages motion process.How by realizing that the overall process of collision all has energy consumption
Feature is that current field personnel consider the problems of emphatically to significantly increase the energy efficiency of impact damper.
Summary of the invention
The utility model be intended to the shortcomings that overcoming the prior art, and it is an object of the present invention to provide a kind of structure it is simple, it is reliable for operation, make
With service life length and the high current vortex impact damper of energy efficiency.
To achieve the above object, the technical scheme adopted by the utility model is the current vortex impact damper includes
Collision body, cabinet, baffle, partition and magnetic substance.
The cabinet is made of bottom plate, cover board, front side board, back side panel, left plate and right side plate.The water between cover board and bottom plate
Level land is equipped with partition, the left end of partition and right end connection corresponding with the left plate of cabinet and right side plate, between partition and cover board
Left plate and right side plate are respectively fixed with baffle.Partition, cover board, front side board, back side panel and two baffles constitute damper cavity.
Collision body is placed in damper cavity.The collision body is sphere or is cylindrical body, damper cavity height with
The nominal size of collision body diameter is identical, damper cavity width and sphere diameter or with the nominal size phase of cylinder length
Together, the length of damper cavity is 2~4 times of collision body diameter.
Middle position between partition and bottom plate is fixed with magnetic substance.Magnetic substance is permanent magnet or is electromagnet, magnetic substance
Magnetic face and the angle of partition be 0~45 °.The height of the magnetic substance is 0.5~0.8 times of collision body diameter, the magnetic
Property body length be 0.5~1.0 times of septum plate length.
The material of the collision body is one of copper, aluminium, tin, lead, zinc, stainless steel.
The permanent magnet is in rare-earth permanent magnet, SmCo iron permanent magnet, ni-Cd ferro-cobalt permanent magnet or ferrite permanent-magnet iron
It is a kind of.
The material of the baffle is high-damping rubber.
Due to the adoption of the above technical scheme, the utility model has the advantages that compared with prior art
1, the utility model is horizontally equipped with partition in cabinet, and the lower section of partition is equipped with magnetic substance, in damper cavity
Equipped with collision body, structure is simple, easy to maintain, long service life.
2, the utility model when in use bottom plate downward or bottom plate upward, using effect is identical.The utility model is existing
The lower section of impact damper adds magnetic substance, and collision body is made to generate current vortex energy consumption in the motion process for generating energy by collision,
To by collisional damping system stages roll at the end of energy consumption and electromagnetic damping in system stages motion process
Energy consumption combines, and so that the damping to be formed is had the characteristics that overall process energy consumption, can significantly increase former damping energy dissipation efficiency.
3, when the magnetic substance of the utility model uses permanent magnet, it is not necessarily to power supply, it is simple and reliable for structure, durability is good；Work as magnetic
Property body when using electromagnet, induction level is adjustable, then controls more accurate.
4, the utility model is fixed with plate washer at the both ends of existing impact damper, and plate washer is high-damping rubber, for assisting
Energy consumption is helped, energy efficiency when collision is improved.
Therefore, the utility model has simple structure, low cost, easy to maintain, reliable for operation, long service life and energy consumption
High-efficient feature.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description, not practical to this
The limitation of novel protected range.
Embodiment 1
A kind of current vortex impact damper.As shown in Figure 1, the current vortex impact damper include collision body 1, cabinet 2,
Baffle 3, partition 4 and magnetic substance 5.
As shown in Figure 1, the cabinet 2 is made of bottom plate, cover board, front side board, back side panel, left plate and right side plate.It is covering
Partition 4, the left end of partition 4 and right end connection corresponding with the left plate of cabinet 2 and right side plate are horizontally equipped between plate and bottom plate,
Left plate and right side plate between partition 4 and cover board are respectively fixed with baffle 3.Partition 4, cover board, front side board, back side panel and two gears
Plate 3 constitutes damper cavity 6.
As shown in Figure 1 or 2, collision body 1 is placed in damper cavity 6.The collision body 1 is cylindrical body, damper
6 height of cavity is identical as the nominal size of 1 diameter of collision body, the nominal size phase of 6 width of damper cavity and cylinder length
Together, the length of damper cavity 6 is 3~4 times of 1 diameter of collision body.
As shown in Figure 1, the middle position between partition 4 and bottom plate is fixed with magnetic substance 5.Magnetic substance 5 is permanent magnet, magnetic
The magnetic face of body 5 and the angle of partition 4 are 0 °.The height of the magnetic substance 5 is 0.5~0.65 times of 1 diameter of collision body, described
The length of magnetic substance 5 is 1.0 times of 4 length of partition.
The material of the collision body 1 is one of copper, aluminium, tin, lead, zinc, stainless steel.
The permanent magnet is in rare-earth permanent magnet, SmCo iron permanent magnet, ni-Cd ferro-cobalt permanent magnet or ferrite permanent-magnet iron
It is a kind of.
The material of the baffle 3 is high-damping rubber.
Embodiment 2
A kind of current vortex impact damper.In addition to following technical parameters, remaining is with embodiment 1:
The collision body 1 is sphere.
The length of damper cavity 6 is 2~3 times of 1 diameter of collision body；The name of damper cavity 6 width and sphere diameter
Adopted size is identical.
Magnetic substance 5 is electromagnet；The magnetic face of magnetic substance 5 and the angle of partition 4 are 5~45 °.The height of the magnetic substance 5
Degree is 0.65~0.8 times of 1 diameter of collision body, and the length of the magnetic substance 5 is 0.5~0.95 times of 4 length of partition.
Present embodiment has the advantages that compared with prior art
1, present embodiment is horizontally equipped with partition 4 in cabinet 2, and the lower section of partition 4 is equipped with magnetic substance 5, damping
Collision body 1 is equipped in device cavity 6, structure is simple, easy to maintain, long service life.
2, present embodiment when in use bottom plate downward or bottom plate upward, using effect is identical.This specific embodiment party
Formula adds magnetic substance 5 in the lower section of existing impact damper, and collision body 1 is made to generate electricity in the motion process for generating energy by collision
Vortex energy consumption, thus by collisional damping system stages roll at the end of energy consumption and electromagnetic damping system stages move
Energy consumption in the process combines, and so that the damping to be formed is had the characteristics that overall process energy consumption, can significantly increase former damping energy dissipation efficiency.
3, when the magnetic substance 5 of present embodiment is using permanent magnet, it is not necessarily to power supply, it is simple and reliable for structure, durability is good；
When magnetic substance 5 is using electromagnet, induction level is adjustable, then controls more accurate.
4, present embodiment is fixed with plate washer 3 at the both ends of existing impact damper, and plate washer 3 is high-damping rubber,
For assisting to consume energy, energy efficiency when collision is improved.
Therefore, present embodiment have structure simple, low cost, easy to maintain, reliable for operation, long service life and
The high feature of energy efficiency.
Claims (4)
1. a kind of current vortex impact damper, it is characterised in that the current vortex impact damper includes collision body (1), cabinet
(2), baffle (3), partition (4) and magnetic substance (5)；
The cabinet (2) is made of bottom plate, cover board, front side board, back side panel, left plate and right side plate, the water between cover board and bottom plate
Level land is equipped with partition (4), the left end of partition (4) and right end connection corresponding with the left plate of cabinet (2) and right side plate, in partition
(4) left plate between cover board and right side plate are respectively fixed with baffle (3)；Partition (4), cover board, front side board, back side panel and two
Baffle (3) constitutes damper cavity (6)；
Collision body (1) is placed in damper cavity (6)；The collision body (1) is sphere or is cylindrical body, damper cavity
(6) highly identical as the nominal size of collision body (1) diameter, damper cavity (6) width is long with sphere diameter or with cylindrical body
The nominal size of degree is identical, and the length of damper cavity (6) is 2~4 times of collision body (1) diameter；
Middle position between partition (4) and bottom plate is fixed with magnetic substance (5)；Magnetic substance (5) is permanent magnet or is electromagnet, magnetic
Property body (5) magnetic face and the angle of partition (4) be 0~45 °；The height of the magnetic substance (5) is collision body (1) diameter
0.5~0.8 times, the length of the magnetic substance (5) is 0.5~1.0 times of partition (4) length.
2. current vortex impact damper according to claim 1, it is characterised in that the material of the collision body (1) be copper,
One of aluminium, tin, lead, zinc, stainless steel.
3. current vortex impact damper according to claim 1, it is characterised in that the permanent magnet is rare-earth permanent magnet, samarium
One of ferro-cobalt permanent magnet, ni-Cd ferro-cobalt permanent magnet or ferrite permanent-magnet iron.
4. current vortex impact damper according to claim 1, it is characterised in that the material of the baffle (3) is high-damping
Rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052457.7U CN208501954U (en) | 2018-07-04 | 2018-07-04 | A kind of current vortex impact damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821052457.7U CN208501954U (en) | 2018-07-04 | 2018-07-04 | A kind of current vortex impact damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208501954U true CN208501954U (en) | 2019-02-15 |
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ID=65282368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821052457.7U Expired - Fee Related CN208501954U (en) | 2018-07-04 | 2018-07-04 | A kind of current vortex impact damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208501954U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756008A (en) * | 2018-07-04 | 2018-11-06 | 武汉科技大学 | A kind of electromagnetism-collision composite buffer |
| CN110685485A (en) * | 2019-09-23 | 2020-01-14 | 同济大学 | Nonlinear electromagnetic particle damper |
| CN113944819A (en) * | 2021-11-09 | 2022-01-18 | 同济大学 | Spherical magnetic particle type pipeline multidimensional vibration damper |
-
2018
- 2018-07-04 CN CN201821052457.7U patent/CN208501954U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756008A (en) * | 2018-07-04 | 2018-11-06 | 武汉科技大学 | A kind of electromagnetism-collision composite buffer |
| CN110685485A (en) * | 2019-09-23 | 2020-01-14 | 同济大学 | Nonlinear electromagnetic particle damper |
| CN113944819A (en) * | 2021-11-09 | 2022-01-18 | 同济大学 | Spherical magnetic particle type pipeline multidimensional vibration damper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200704 |