CN206398000U - A kind of variation rigidity mutative damp shock absorber - Google Patents
A kind of variation rigidity mutative damp shock absorber Download PDFInfo
- Publication number
- CN206398000U CN206398000U CN201720015350.4U CN201720015350U CN206398000U CN 206398000 U CN206398000 U CN 206398000U CN 201720015350 U CN201720015350 U CN 201720015350U CN 206398000 U CN206398000 U CN 206398000U
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- China
- Prior art keywords
- shock absorber
- cylinder barrel
- piston
- variation rigidity
- coil winding
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Abstract
The utility model is related to a kind of variation rigidity mutative damp shock absorber, including cylinder barrel 2 and power transmission spring 12 disposed within, variation rigidity mechanism is placed with cylinder barrel 2, tension spring 12 is placed in the top of variation rigidity mechanism, the main body of variation rigidity mechanism is overlapped mutually with magnetic rheology elastic body thin slice 15 by silicon steel sheet 14 and constituted, lower coil winding 3 is provided with the side of variation rigidity mechanism body, the bottom of cylinder barrel 2 is used as shock absorber fixing end；The upper end of tension spring 12 is connected with piston 16, piston 16 is used as shock absorber movable end, the top of tension spring 12 is provided with ultra-magnetic telescopic ring bodies, block body 17 is carried on piston 16, ring bodies is located between tension spring 12 and block body 17 and is engaged with the bottom of piston 16 and block body 17, coil winding 8 is provided with the side of ring bodies, the periphery of coil winding is in contact by friction plate 9 with cylinder barrel 2.
Description
Technical field
The utility model is related to shock absorber field, more particularly to a kind of variation rigidity mutative damp shock absorber.
Background technology
Mechanical oscillation are prevalent in each dynamic power machine and engineering goods, and vibration can cause component of machine to damage, shadow
The working effect of precision instrument is rung, or even harmful effect is produced to human body.In Aeronautics and Astronautics, machinery, automobile, building, accurate instrument
In the fields such as device, eliminate the harmful effect of vibration by shock absorber, the type of current shock absorber by control mode can be divided into by
Dynamic control type, active control type and semi- active control type.
Passive type shock absorber is made up of spring and damper, and its performance parameter rigidity and damped coefficient are once it is determined that can not change
Become, damping property is in a certain carrying quality and best results under a certain driving frequency, and simple in construction, manufacturing cost is low, reliability
It is high；Active vibration damping device is the additional controllable forcer on the basis of passive type shock absorber, by controlling forcer
Amount of force realizes vibration damping control, and its active damping works well, but needs the extraneous energy source device for providing controling power, manufacture
Cost is high, and energy consumption is big, and reliability is low；The characteristics of semi- active control shock absorber is that rigidity or damped coefficient are adjustable, and its is damping
Passive type shock absorber can be better than, energy consumption is less than active control shock absorber, and combination property is higher.
In recent years, magnetorheological Intelligent Materials are rapid, and widely used at present is magnetic flow liquid and magnetorheological bullet
Elastomer material.The rigidity and damped coefficient of the novel intelligent material can rapidly change under magnetic fields, using magnetorheological
The magneto-rheological characteristic of material have developed many new controllable dampers.Chinese patent CN104595412B provides a kind of based on stream
The double-barrel structure MR fluid shock absorber of dynamic model formula, leaves gap, piston is in inner cylinder tube between shock absorber outer cylinder and inner cylinder tube
Middle motion, promotes magnetic flow liquid to be flowed in the gap location of inner cylinder tube and inside and outside cylinder barrel, magnetic field adjusting device is fixed on shock absorber bottom
On seat, change the viscosity of magnetic flow liquid by adjusting magnetic field intensity, reach the purpose of control absorber damping force.Chinese patent
CN105508495B provides a kind of energy magnetic rheology elastic body vehicle damper, and its vibration absorber body includes cylinder barrel and set
Put and multiple piezo electric modules and multiple magnetic rheology elastic bodies, piezo electric module are set with the middle part of the piston rod in cylinder barrel, piston rod
In be inlaid with piezoelectric vibrator, by direct piezoelectric effect produce electric energy and give Vehicular accumulator cell charge, by controlling magnetorheological elasticity
The field coil circuit size of current of external side, changes its residing magnitude of field intensity to control the extruding of magnetic rheology elastic body firm
Degree, is finally reached the purpose of control damper stiffness.
Although magnetorheological fluid materials have good magnetic rheology effect, but the magnetic-particle in liquid suspension medium is easily heavy
Drop, stability are poor, particle is easy to wear, hinder it and are further applied in practice in engineering.Magnetic rheology elastic body is magnetorheological
Grow up on the basis of liquid, magnetic flow liquid mother liquor is substituted by high molecular polymer, the shortcoming of magnetic flow liquid is overcome, but
It is that the shock absorber based on magnetorheological elastomer material can only control stiffness variation, it is difficult to adjust the damping parameter of shock absorber.
Utility model content
The purpose of this utility model is that manufacturing cost is low in view of the deficienciess of the prior art, offer is a kind of simple in construction,
The controllable shock absorber of rigidity and damping parameter.Technical scheme is as follows：
A kind of variation rigidity mutative damp shock absorber, including cylinder barrel 2 and power transmission spring 12 disposed within, it is characterised in that
Variation rigidity mechanism is placed with cylinder barrel 2, tension spring 12 is placed in the top of variation rigidity mechanism, the master of variation rigidity mechanism
Body is overlapped mutually with magnetic rheology elastic body thin slice 15 by silicon steel sheet 14 and constituted, and is provided with the side of variation rigidity mechanism body offline
Winding 3 is enclosed, the bottom of cylinder barrel 2 is used as shock absorber fixing end；
The upper end of tension spring 12 is connected with piston 16, and piston 16 is as shock absorber movable end, in the top of tension spring 12
It is provided with ultra-magnetic telescopic ring bodies, piston 16 and carries block body 17, ring bodies is located between tension spring 12 and block body 17 simultaneously
It is engaged with the bottom of piston 16 and block body 17, coil winding 8 is provided with the side of ring bodies, the periphery of coil winding leads to
Friction plate 9 is crossed to be in contact with cylinder barrel 2.
Preferably by protecting sleeve 4 to be isolated between variation rigidity mechanism and lower coil winding 3.
Sliding bearing 6 is provided with the upper end open of cylinder barrel 2；Piston 16 is connected by sliding bearing 6 with cylinder barrel 2, living
Fill in 16 upper ends and be fixed with upper lift ring 5.
Screw thread is offered in the lower, outer perimeter of cylinder barrel 2, the bottom of cylinder barrel 2 is connected by screw thread with lower lift ring 1.
Split chuck 11 is respectively fixed with the top and bottom of power transmission spring 12 and lower spring chuck 13 is fixed, piston
16 bottom is fixedly connected with upper split chuck 11.
Good effect of the present utility model is：
(1) the utility model uses magnetic rheology elastic body, overcomes the problem of magnetic flow liquid free settling, leakage, and utilize
It extrudes rigidity controllable characteristics and designs the good shock absorber of compact conformation, control effect.
(2) the utility model uses ultra-magnetic telescopic ring bodies, and its expansion and contraction is higher than conventional piezoelectric ceramic material, and
Relatively low is required to the magnetic induction intensity for controlling circuit, resistance of shock absorber size can be effectively controlled.
(3) the utility model is simple in construction, and reliability is high, manufactures easy for installation, it is adaptable to each field vibration damping application.
Brief description of the drawings
Fig. 1 is the utility model structural representation, Fig. 2 be A-A to structure sectional view, in figure：
1-lower lift ring；2-cylinder barrel；3-lower coil winding；4-protection sleeve；5-upper lift ring；6-sliding bearing；7—
Ultra-magnetic telescopic ring bodies；8-coil winding；9-friction plate；10-trip bolt；11-go up split chuck；12-power transmission
Spring；13-lower spring chuck；14-biadhesive silicon steel sheet；15-magnetic rheology elastic body thin slice；16-piston；17-gear
Body.
Embodiment
The utility model is described in further detail below by specific embodiment, following examples can make this
The utility model is more completely understood in professional and technical personnel, but does not limit the utility model in any way.
The method that the utility model is overlapped mutually by multilayer magnetic rheology elastic body controls stiffness variation, introduces new super magnetic
Telescopic material is caused, controls damper piston with the size of inner wall of cylinder contact to change shock absorber by magnetostrictive effect
Coulomb damping size, finally realizes rigidity and damping parameter controllable purpose.
Lower lift ring 1 is connected through a screw thread with the bottom of cylinder barrel 2, and cylinder barrel 2, lower lift ring 1 and upper lift ring 5 are by high magnetoresistance material system
Into, the bottom of cylinder barrel 2 is provided with groove, for winding lower coil winding 3, variation rigidity mechanism by biadhesive silicon steel sheet 14 with it is magnetorheological
Elastomer sheet 15 is overlapped mutually composition；By protecting sleeve 4 to isolate between lower coil winding 3 and variation rigidity mechanism, it can protect
Lower coil winding 2, which prevents from being extruded about 15 by magnetic rheology elastic body, causes abrasion, and protection sleeve 4 is made up of magnetic conductive material,
Increase magnetic induction intensity effect can be played as the iron core inside magnet exciting coil；Mutative damp mechanism by ultra-magnetic telescopic ring bodies 7,
Coil winding 8 and friction plate 9 are constituted, and power transmission spring 12 is fixed by upper and lower split chuck 11,13, and the bottom of upper lift ring 5 is lived
Plug portion is connected with upper split chuck 11 by trip bolt 10, ultra-magnetic telescopic ring bodies 7 for it is circular and with the bottom of upper lift ring 5
The piston 16 at end is engaged.
By controlling the size of coil winding 8 and the electrical current of lower coil winding 3, respectively carry out resistance of shock absorber and
The control of rigidity：Control passes through the size of current of coil winding 8 and produces the magnetic field of different induction levels, makes super magnetic
Cause the expansion and contraction of flexible ring bodies 7 to change, so extrusion friction piece 9 be allowed to the interior casing wall normal pressure of cylinder barrel 2 change into
And change contact Coulomb damping size；Control passes through the size of current of lower coil winding 3 and produces different induction levels
Magnetic field, the extruding rigidity of magnetic rheology elastic body thin slice 15 is changed, multilayer magnetic rheology elastic body 15 and the phase of silicon steel sheet 14
Mutually it is superimposed and the regulation damper stiffness change jointly of power transmission spring 12 of connecting.
Operation principle of the present utility model is as follows：Vibration signal size is detected using acceleration transducer, by processing
Device operational analysis output control electric current, controls to produce inside the electrical current size of upper and lower coil windings, coil winding respectively
Induced field, because ultra-magnetic telescopic ring bodies has magnetostrictive effect, its normal pressure size will change, extrusion friction
Piece and then the Coulomb damping size for changing shock absorber；The induced field that lower coil winding is produced will control magnetic rheology elastic body thin slice
Stiffness variation, multilayer magnetic rheology elastic body thin slice superposition simultaneously changes damper stiffness size with the collective effect of serial spring.
The utility model is not limited to embodiments described above.The description to embodiment is intended to description above
With explanation the technical solution of the utility model, above-mentioned embodiment is only schematical, is not restricted.
Do not depart from the case of the utility model objective 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 protection domain of the present utility model.
Claims (5)
1. a kind of variation rigidity mutative damp shock absorber, including cylinder barrel (2) and power transmission spring (12) disposed within, it is characterised in that
Variation rigidity mechanism is placed with cylinder barrel (2), tension spring (12) is placed in the top of variation rigidity mechanism, the master of variation rigidity mechanism
Body is overlapped mutually with magnetic rheology elastic body thin slice (15) by silicon steel sheet (14) and constituted, and is provided with the side of variation rigidity mechanism body
Lower coil winding (3), the bottom of cylinder barrel (2) is used as shock absorber fixing end；
The upper end of tension spring (12) is connected with piston (16), and piston (16) is as shock absorber movable end, in tension spring (12)
Top, which is provided with ultra-magnetic telescopic ring bodies, piston (16), carries block body (17), and ring bodies is located at tension spring (12) and gear
It is engaged between body (17) and with piston (16) bottom and block body (17), coil winding (8) is provided with the side of ring bodies,
The periphery of coil winding is in contact by friction plate (9) with cylinder barrel (2).
2. shock absorber according to claim 1, it is characterised in that pass through between variation rigidity mechanism and lower coil winding (3)
Protection sleeve (4) is isolated.
3. shock absorber according to claim 1, it is characterised in that be provided with sliding axle at the upper end open of cylinder barrel (2)
Hold (6)；Piston (16) is connected by sliding bearing (6) with cylinder barrel (2), and piston (16) upper end is fixed with upper lift ring (5).
4. shock absorber according to claim 1, it is characterised in that offer screw thread, cylinder barrel in the lower, outer perimeter of cylinder barrel (2)
(2) bottom is connected by screw thread with lower lift ring (1).
5. shock absorber according to claim 1, it is characterised in that fixed respectively in the top and bottom of power transmission spring (12)
There are upper split chuck (11) and lower spring chuck (13) to fix, the bottom of piston (16) is fixedly connected with upper split chuck (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015350.4U CN206398000U (en) | 2017-01-06 | 2017-01-06 | A kind of variation rigidity mutative damp shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015350.4U CN206398000U (en) | 2017-01-06 | 2017-01-06 | A kind of variation rigidity mutative damp shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398000U true CN206398000U (en) | 2017-08-11 |
Family
ID=59513519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720015350.4U Withdrawn - After Issue CN206398000U (en) | 2017-01-06 | 2017-01-06 | A kind of variation rigidity mutative damp shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594157A (en) * | 2017-01-06 | 2017-04-26 | 天津大学 | Variable-stiffness variable-damping shock absorber based on smart material |
| CN111120558A (en) * | 2019-12-16 | 2020-05-08 | 江苏大学 | Friction memory damper device |
| CN114838082A (en) * | 2022-05-23 | 2022-08-02 | 天津大学 | Multistage variable damping variable stiffness shock absorber based on magnetorheological material |
-
2017
- 2017-01-06 CN CN201720015350.4U patent/CN206398000U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594157A (en) * | 2017-01-06 | 2017-04-26 | 天津大学 | Variable-stiffness variable-damping shock absorber based on smart material |
| CN106594157B (en) * | 2017-01-06 | 2017-11-03 | 天津大学 | A kind of variation rigidity mutative damp shock absorber based on intellectual material |
| CN111120558A (en) * | 2019-12-16 | 2020-05-08 | 江苏大学 | Friction memory damper device |
| CN111120558B (en) * | 2019-12-16 | 2021-12-21 | 江苏大学 | Friction memory damper device |
| CN114838082A (en) * | 2022-05-23 | 2022-08-02 | 天津大学 | Multistage variable damping variable stiffness shock absorber based on magnetorheological material |
| CN114838082B (en) * | 2022-05-23 | 2023-09-29 | 天津大学 | Multistage variable damping variable stiffness shock absorber based on magnetorheological material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20171103 |