CN206888638U - A kind of inertia mass damping unit - Google Patents
A kind of inertia mass damping unit Download PDFInfo
- Publication number
- CN206888638U CN206888638U CN201720618128.3U CN201720618128U CN206888638U CN 206888638 U CN206888638 U CN 206888638U CN 201720618128 U CN201720618128 U CN 201720618128U CN 206888638 U CN206888638 U CN 206888638U
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- China
- Prior art keywords
- right ventricle
- ball nut
- left room
- leading screw
- outer barrel
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Abstract
The utility model discloses a kind of inertia mass damping unit, it is made up of outer barrel, inertial flywheel, slip housing, rotation inner cylinder, viscous material, ball bearing and stiffness spring, the dividing plate that outer barrel is divided into left room and right ventricle is provided with outer barrel, left room is connected with left room ball nut and left room leading screw, and right ventricle is connected with right ventricle's ball nut and right ventricle's leading screw；Right ventricle's ball nut and the inertial flywheel of right ventricle are formed with inertia mass unit, and the rotation inner cylinder of left room ball nut and left room is formed with inertia mass unit and damping unit；Right ventricle's ball nut is connected with sliding housing by smooth groove, right ventricle's ball nut is rotatable relative to the slip housing, viscous material is filled in the gap between the rotation inner cylinder and outer barrel, rotation inner cylinder is connected by ball bearing with dividing plate, left room ball nut, left room leading screw, right ventricle's ball nut, right ventricle's leading screw and ball bearing coaxial line.The damping unit takes into account inertia force, damping force and elastic force three's work in cooperation.
Description
Technical field
House architectural structure, the technical field of science of bridge building Structural Energy Dissipation damping are the utility model is related to, specifically, is
It is related to a kind of inertia mass damping unit.
Background technology
Traditional structure anti-shock methods are mainly to resist geological process by enhancing structure anti-seismic performance in itself, it is difficult to are protected
It can cause to waste while demonstrate,proving security performance.The it is proposed of structural vibration control concept turns into the new approaches solved the problems, such as.Structure is shaken
Dynamic control technology according to whether need energy input can be divided into passive control, active control, semi- active control, intelligent control with
And mixing control.Passive control technology because need not extraneous offer energy, simple structure, it is easy to maintain many advantages, such as, it is wide
It is general to be applied to engineering in practice.Passive control damper is installed in structure, is increased the damping of agent structure, is reached mitigation structure
The purpose of seismic response.Domestic and international researcher has carried out numerous studies to passive control damper, it is proposed that numerous types
Damper device, there are frcition damper, viscous damper etc. based on power consumption, and apply the tuning class of reaction force to structure
Damper：Tuned mass damper (TMD), Tuned Liquid (TLD).Above-mentioned damper although obtain in practice in engineering
Widely apply, but still suffer from many improvements.For example, more heat transfer caused by frcition damper work；Viscous damping
Device Energy Dissipation Mechanism is single；Tuned mass damper needs larger mass and installing space while inertia force is tuned,
Construction weight can be dramatically increased and reduced and use space；The damping force of Tuned Liquid is relatively small and difficult in maintenance etc.
Problem.
The it is proposed of inertia mass damper largely compensate for the deficiency of above-mentioned damper, pass through the speed of ball-screw
The enlarge-effect of damping force is realized in degree transformation, and correspondingly rotor obtains certain inertia force so that damping force and inertia force
Cooperate and reduce geological process.But inertia force caused by inertia mass damper is limited, damping force has the space of lifting, elasticity
Mechanism is left to be desired, thus a kind of new inertia mass damper of research and development has important engineering significance.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, solves original inertia mass damper inertia
Stress effect is weaker, energy consumption effect is undesirable, the significant deficiency of nonelastic stress effect, there is provided a kind of inertia mass damping unit, should
Damping unit takes into account inertia force, damping force and elastic force three's work in cooperation.
The purpose of this utility model is achieved through the following technical solutions：
A kind of inertia mass damping unit, by outer barrel, inertial flywheel, slide housing, rotation inner cylinder, viscous material, ball
Bearing and stiffness spring form, and are provided with the dividing plate that outer barrel is divided into left room and right ventricle in the outer barrel, the left room is connected with
Left room ball nut and left room leading screw, the right ventricle are connected with right ventricle's ball nut and right ventricle's leading screw；Right ventricle's ball nut and the right side
The inertial flywheel of room is formed with inertia mass unit, and the rotation inner cylinder of left room ball nut and left room is formed with inertia mass unit
And damping unit；Right ventricle's ball nut is connected with the slip housing by smooth groove, and right ventricle's ball nut is relative
Rotatable in the slip housing, the viscous material is filled in the gap between the rotation inner cylinder and outer barrel, the rotation
Inner cylinder is connected by ball bearing with the dividing plate, the left room ball nut, left room leading screw, right ventricle's ball nut, right ventricle's silk
Thick stick and ball bearing coaxial line.
The both ends of the stiffness spring are connected with sliding housing and dividing plate respectively, and the relative slip for sliding housing produces bullet
Property power, damping unit is protected while playing tunning effect.
A fixed lug is respectively arranged with the left room leading screw and right ventricle's leading screw, is easy to fix inertia mass damping dress
It is placed in structure.
The left room leading screw, right ventricle's leading screw are respectively transported the straight line of axial direction by left room ball nut and right ventricle's ball nut
Turn turns to rotary motion, realizes inertial flywheel and rotates the high speed rotation of inner cylinder, produces rotating inertia force and viscous damping force.
The outer barrel is connected with left room ball nut by smooth groove, can rotate motion, the outer barrel and cunning
Dynamic housing is connected by the smooth ball for being only capable of axially moving, and only produces axial horizontal movement, and be provided with outer barrel end
Skid-proof device.
The viscous material uses dimethicone, to obtain relatively stable damping force.
Compared with prior art, beneficial effect caused by the technical solution of the utility model is：
1st, the mutual conversion of axial movement and rotary motion is realized in the utility model, moves inertia force in reversible process
Effect and damping stress effect are further amplified, and are obtained preferable energy dissipation capacity, are effectively reduced the seismic response of structure, protect
Hinder structure security enough under geological process；The inertia effect and damping effect can be realized by choosing suitable leading screw most
Optimization.
2nd, the utility model is compared with conventional tune mass damper, the damping unit small volume, will not occupy too many
Space, saves space, and the inertia effect caused by inertial flywheel and rotation inner cylinder is better than tuned mass damper.
3rd, the utility model rotates the high speed circumgyration incision viscous material of inner cylinder compared with conventional tune liquid condenser,
Larger damping force is produced, energy dissipation capacity is remarkably reinforced.
4th, stiffness spring is provided with the utility model, is produced by the relative displacement between inertia mass unit and damping unit
Raw elastic restoring force, damping unit is protected while playing tunning effect.
5th, the utility model is simple for structure, reasonable in design, takes into account the inertia effect, damping effect and elastic restoring force three
Cooperate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model damping unit；
Fig. 2-1,2-2 and 2-3 are that the A-A of damping unit in Fig. 1 regards structure to profile, B-B direction profile and the right side respectively
Schematic diagram；
Fig. 3-1 and Fig. 3-2 is the inertia effect of the utility model damping unit and the principle schematic of damping effect respectively；
Fig. 4 is the buoyancy effect principle schematic of the utility model damping unit.
Reference：1st, right ventricle's leading screw；2nd, right ventricle's ball nut；3rd, left room leading screw；4th, left room ball nut；5th, slide outer
Frame；6th, inertial flywheel；7th, stiffness spring；8th, inner cylinder is rotated；9th, viscous material；10th, ball bearing；11st, seal；12nd, outer barrel；
13rd, smooth ball；14th, fixed lug.
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2-1, shown in Fig. 2-2 and Fig. 2-3, the utility model protects a kind of new inertia mass damping unit,
By right ventricle's leading screw 1, right ventricle's ball nut 2, left room leading screw 3, left room ball nut 4, slip housing 5, inertial flywheel 6, Rigid Projectiles
Spring 7, rotation inner cylinder 8, viscous material 9, ball bearing 10, seal 11, outer barrel 12, smooth ball 13, fixed lug 14 form.
Set in outer barrel 12 dividing plate that outer barrel 12 is divided to for left and right two Room, the inertial flywheel 6 of right ventricle's ball nut 2 and right ventricle is formed with used
The rotation inner cylinder 8 of property amount unit, left room ball nut 4 and left room is formed with inertia mass unit and damping unit；Roll right ventricle
Pearl nut 2 slides housing 5 with it and is connected with each other by smooth groove, and right ventricle's ball nut 2 can be at a high speed relative to slip housing 5
Rotation, the two is not welded as entirety；Outer barrel 12 is connected with each other with left room ball nut 4 by smooth groove, can be revolved
Transhipment is dynamic, and the two is not welded as entirety；Outer barrel 12 is connected with sliding housing 5 by the smooth ball 13 that can only be moved axially
Connect, only produce axial horizontal movement, and skid-proof device is provided with the end of outer barrel 12.Left ventricular rotation inner cylinder 8 and the gap of outer barrel 12
Full of viscous material 9 and by the encapsulation process prevent leakage of seal 11, pass through ball bearing 10 and the dividing plate of outer barrel 12 in end
It is connected；Right ventricle's leading screw 1, right ventricle's ball nut 2, left room leading screw 3, left room ball nut 4 and the coaxial line of ball bearing 10 and mutually
It is stuck, three can reduce the gap between three, improve transmission efficiency by appropriate prefastening load.Stiffness spring 7
Dividing plate of the both ends respectively with slip housing 5, outer barrel 12 is connected；The relative slip for sliding housing 5 produces elastic force, plays tuning
Damping unit is protected while effect.
Left room leading screw 3, right ventricle's leading screw 1 are respectively transported the straight line of axial direction by left room ball nut 4 and right ventricle's ball nut 2
Turn turns to rotary motion, realizes inertial flywheel 6 and rotates the high speed rotation of inner cylinder 8, rotation inner cylinder 8 cuts viscous material 9 and produced
Raw viscous damping force；The amplification of inertia mass is realized in the rotation of inertial flywheel 6 and rotation inner cylinder 8, produces inertia force.
In the present embodiment, viscous material 9 is using less dimethicone is affected by temperature, to obtain relatively stable damping
Power.
In the present embodiment, a fixed lug 14 is respectively arranged with left room leading screw 3 and right ventricle's leading screw 1, is easy to fixed used
Property amount damping unit is in structure；It can be connected by V-type, diagonal and cross hang mode with structure.
It is the inertia effect of the utility model damping unit and the principle of damping effect respectively as shown in Fig. 3-1 and Fig. 3-2
In schematic diagram, wherein Fig. 3-1：Q represents viscous damping force；R represents that leading screw produces power；M represents rotation inner cylinder moment of inertia；Fig. 3-
In 2：R represents that leading screw produces power；M represents inertial flywheel moment of inertia；When relative displacement occurs for right ventricle's leading screw 1, right ventricle's ball spiral shell
Mother 2 rotates the transform linear motion of right ventricle's leading screw 1 for the high speed of inertial flywheel 6, and similarly left room leading screw 3 drives rotation inner cylinder 8 high
Speed rotation；Rotary motion simultaneously can also affect axial movement.The inertia effect of damping unit is by inertial flywheel 6 and rotation inner cylinder
8 two parts produce jointly, i.e., the inertia effect caused by the relatively small inertial flywheel 6 of sole mass and rotation inner cylinder 8 is very big
, thus the amplification of the inertia effect is obvious in the case where that will not occupy too many space；Revolved at a high speed in rotation inner cylinder 8
Under turning, cutting viscous material 9 produces bigger more stable damping force, realizes optimal power consumption.
As shown in figure 4, in the utility model inertia mass damping unit, buoyancy effect is by with sliding housing 5, outer barrel 12
The stiffness spring 7 that dividing plate is connected occurs relative displacement and produced (compression or elongation)；Slide housing 5 to move to left, stiffness spring 7 is pressed
Contracting, is similarly moved to right, stiffness spring 7 extends；Relative displacement is bigger, and elastic restoring force is bigger.Under extreme condition, the right side is still ensured that
Room leading screw 1 is in normal operating position, can prevent the collision to dividing plate, effectively protect damping unit.
The utility model is not limited to embodiments described above.The description to embodiment is intended to describe above
With explanation the technical solution of the utility model, above-mentioned embodiment is only schematical, is not restricted.
In the case of not departing from the utility model aims and scope of the claimed protection, one of ordinary skill in the art is in this practicality
The specific conversion of many forms can be also made under new enlightenment, these are belonged within the scope of protection of the utility model.
Claims (5)
1. a kind of inertia mass damping unit, it is characterised in that by outer barrel, inertial flywheel, slide housing, rotation inner cylinder, viscous
Material, ball bearing and stiffness spring are formed, and the dividing plate that outer barrel is divided into left room and right ventricle, the left side are provided with the outer barrel
Room is connected with left room ball nut and left room leading screw, and the right ventricle is connected with right ventricle's ball nut and right ventricle's leading screw；Right ventricle's ball
Nut and the inertial flywheel of right ventricle are formed with inertia mass unit, and the rotation inner cylinder of left room ball nut and left room is formed with inertia
Mass unit and damping unit；Right ventricle's ball nut is connected with the slip housing by smooth groove, right ventricle's ball
Nut is rotatable relative to the slip housing, and the viscous material is filled in the gap between the rotation inner cylinder and outer barrel,
The rotation inner cylinder is connected by ball bearing with the dividing plate, the left room ball nut, left room leading screw, right ventricle's ball spiral shell
Female, right ventricle's leading screw and ball bearing coaxial line.
2. inertia mass damping unit according to claim 1, it is characterised in that the both ends of the stiffness spring respectively with
Slide housing with dividing plate to be connected, the relative slip for sliding housing produces elastic force, protection damping while playing tunning effect
Device.
3. inertia mass damping unit according to claim 1, it is characterised in that on the left room leading screw and right ventricle's leading screw
A fixed lug is respectively arranged with, is easy to fix inertia mass damping unit in structure.
4. inertia mass damping unit according to claim 1, it is characterised in that the left room leading screw, right ventricle's leading screw point
By the transform linear motion of axial direction be rotary motion not by left room ball nut and right ventricle's ball nut, realize inertial flywheel with
The high speed rotation of inner cylinder is rotated, produces rotating inertia force and viscous damping force.
5. inertia mass damping unit according to claim 1, it is characterised in that the outer barrel leads to left room ball nut
Cross smooth groove to connect, motion can be rotated, the outer barrel is with sliding housing by being only capable of the smooth rolling to axially move
Pearl is connected, and only produces axial horizontal movement, and be provided with skid-proof device in outer barrel end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618128.3U CN206888638U (en) | 2017-05-31 | 2017-05-31 | A kind of inertia mass damping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618128.3U CN206888638U (en) | 2017-05-31 | 2017-05-31 | A kind of inertia mass damping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206888638U true CN206888638U (en) | 2018-01-16 |
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ID=61320977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720618128.3U Expired - Fee Related CN206888638U (en) | 2017-05-31 | 2017-05-31 | A kind of inertia mass damping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206888638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730410A (en) * | 2018-07-02 | 2018-11-02 | 浙江大学 | Adjustable inertia mass damper |
| CN112982712A (en) * | 2021-03-16 | 2021-06-18 | 北京工业大学 | Self-adaptive frequency modulation and inertia force gain vibration reduction space structure system |
-
2017
- 2017-05-31 CN CN201720618128.3U patent/CN206888638U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730410A (en) * | 2018-07-02 | 2018-11-02 | 浙江大学 | Adjustable inertia mass damper |
| CN108730410B (en) * | 2018-07-02 | 2024-01-26 | 浙江大学 | Adjustable inertial mass damper |
| CN112982712A (en) * | 2021-03-16 | 2021-06-18 | 北京工业大学 | Self-adaptive frequency modulation and inertia force gain vibration reduction space structure system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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| 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: 20180116 Termination date: 20210531 |