CN103016602A - Magneto-rheological torsion damper - Google Patents
Magneto-rheological torsion damper Download PDFInfo
- Publication number
- CN103016602A CN103016602A CN201210528018XA CN201210528018A CN103016602A CN 103016602 A CN103016602 A CN 103016602A CN 201210528018X A CN201210528018X A CN 201210528018XA CN 201210528018 A CN201210528018 A CN 201210528018A CN 103016602 A CN103016602 A CN 103016602A
- Authority
- CN
- China
- Prior art keywords
- stator
- vibration damper
- cylinder body
- push rod
- inner sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a magneto-rheological torsion damper, which mainly comprises a stator, a rotor, a spiral propulsion rod and a shock absorber cylinder body, wherein the input end of the magneto-rheological torsion damper is connected with loading equipment via a coupler; the stator is wound with multiple stages of electromagnetic coils; a groove or a bulge matched with the rotor is processed on the outer wall of the stator; a certain gap is formed between the outer wall of the stator and an inner sleeve; a bulge or groove matched with the stator is processed on the inner wall of a rotor cylinder; the propulsion rod with a spiral propulsion structure, the rotor and the spiral propulsion rod are mutually connected via a terminal pad; the shock absorber cylinder body consists of an outer sleeve, a sealing bearing, a left cover plate and a right cover plate; a certain gap is formed between the shock absorber cylinder body and the inner sleeve; and the gap between the stator and the shock absorber cylinder body as well as the gap between the shock absorber cylinder body and the rotor is full of magneto-rheological fluid. According to the magneto-rheological torsion damper disclosed by the invention, two working modes of magneto-rheological fluid shearing and flowing are fully utilized, and the magneto-rheological torsion damper has the advantages of compact structure, big adjustable damping force and wide dynamic range and can be widely applied to the occasion of torsional vibration control.
Description
Technical field
The invention belongs to vibration damper, be specifically related to a kind of magnetorheological reversing and subtract device.
Background technique
Inevitable torsional vibration will occur in drive line or rotor that engine crankshaft, machine tool chief axis, motor etc. are done rotation motion when work, this vibration not only can reduce the faults such as the precision, noise increase of machine, even cause bent axle or transmission shaft wear-out failure and damage, especially situation is even more serious when high speed.In addition, make straight-line high-power jacking equipment for elevator and building construction hoist etc., in goods decline process, need lot of energy, and reduce to fall the damage to goods of larger resistance occurs to produce when promptly falling.Therefore, the important topic that is designed to the above situation of improvement of torsional vibration damper.
The torsional vibration damper that uses both at home and abroad at present mainly contains rubber shock absorber, silicon oil damper and metal spring vibration damper etc., regulates but the vibration damper of these types can not carry out self adaption to it.Magneto-rheological vibration damper is as a kind of intelligent vibration damping device, have simple in structure, volume is little, energy consumption is low, the continuous advantage such as adjustable of damping, become gradually the research in the vibration control field and use focus.Chinese patent (CN201110115093.9), traditional silicone oil formula vibration damper is improved, the magnetorheological torsional vibration damper of a kind of motor is proposed, can change externally-applied magnetic field power by the size that changes electric current, thereby can regulate the damping of magnetic flow liquid, owing to only utilized the shearing work pattern, the damping force of generation is limited.Chinese patent (CN20092026277.9), a kind of magnetic flowing deformation torsional vibration damping is proposed, when rotor rotates, owing to have angle that magnetic flow liquid is radially flowed with substantially horizontal, back and forth flow along the passage in the stator more afterwards, certain narrow limitation is also arranged, processed complex, and also torsion damping itself also produces new torsional vibration easily.
Summary of the invention
The present invention is directed to the deficiency that prior art exists, a kind of New Magnetic Field Controlled rheology torsional vibration damper is provided, promote the motion of magnetic flow liquid by the rotor assembly of propeller structure, make vibration damper take full advantage of flowing of magnetic flow liquid and shear two kinds of mode of operations, fit shapes increases the mobile passage length of magnetic flow liquid and area of contact between inner sleeve and stator by changing simultaneously, greatly improves the damping force regulation range of magnetorheological torsional vibration damper.
The objective of the invention is to adopt following proposal to realize:
A kind of magnetorheological torsional vibration damper comprises rotor assembly, stator, magnetic flow liquid and vibration damper cylinder body; Described vibration damper cylinder body is connected and composed by outer sleeve and left and right end cap; Described stator and vibration damper cylinder body are solidly connected, and are wound with multistage electromagnetic coil on the cylindrical; Described rotor assembly is installed in the vibration damper cylinder body, cooperates with stator, and its input end is connected with load equipment by coupling.Its improvement is:
Described rotor assembly comprises with the push rod of propeller structure and inner sleeve;
Described push rod with propeller structure is to form a rotating shaft processing spiral bar, end with helix structure of push rod is installed in the endoporus of stator, the outer end is as the input end of rotor assembly, be supported on by stuffing box bearing on the right end cap of vibration damper cylinder body, be provided with resin-sealed band on the spiral bar of push rod and the surface of contact of stator.Push rod with propeller structure rotates, and the helix angle size is determined according to optimizing the calculation and test test.
Described inner sleeve is enclosed within outside the stator, leaves the gap of passing through for magnetic flow liquid between the two, and an end of inner sleeve has center hole, close with the corresponding position bond of push rod, and by jump ring with carry out axial restraint;
The endoporus of described stator bottom have with inner sleeve and stator between the passage that is communicated with of gap flow to gap between stator, inner sleeve and the vibration damper cylinder body so that form the magnetic flow liquid that the push rod blade is pushed.
Described magnetic flow liquid is full of the gap between stator, inner sleeve and the vibration damper cylinder body.
Further, also have land, described land is enclosed within on the push rod, is bolted in the inner sleeve end, also is connected by key with push rod, and carries out axial restraint.
Further, being formed with on the fitting surface of described inner sleeve and stator increases the mobile passage length of magnetic flow liquid and the cooperating structure of area of contact, described cooperating structure is to design annular groove at stator, at the corresponding design of rotor annular protrusion, forms the first cooperating structure; And/or be to design annular protrusion at stator, at the corresponding design of rotor annular groove, form the second cooperating structure, can increase like this damping force and the dynamic range of magnetorheological torsional vibration damper.
Further, the left end cap of stator and vibration damper cylinder body is bolted the location, and circumferentially three uniform boss are arranged at the bottom of stator, as with the joint of left end cap, recessed portion between the boss just forms the passage that its endoporus is communicated with gap between inner sleeve and stator, and this spline structure is more succinct.
Described resin-sealed band be on the spiral bar of push rod along Hand of spiral fluting, potting resin in groove and forming makes between spiral bar and the stator inner wall to seal.
The outer sleeve of described vibration damper cylinder body and left and right end cap seal by seal ring, are fixedly connected with by the tapped hole that is distributed on the circumference respectively, and the tapped hole place is installed for left and right end cap and stator and push rod installation axle journal place seals with seal ring respectively.
Advantage of the present invention is as follows:
1, promote magnetic flow liquid by screw propulsion rod and do and circulate, take full advantage of flowing and the shearing work pattern of magnetic flow liquid, the damping force of generation is large, adjustable extent is wide, do not need compensation device, the total good seal, the axial flow of magnetic flow liquid is driven by screw propulsion rod.
2, the magnetic rheology effect utilization ratio is high, by processing groove or the projection that cooperatively interacts at rotor and stator, increases passage length and area of contact that magnetic flow liquid flows, improves the damping-force adjustable that magnetorheological torsional vibration damper produces.
3, compare with existing torsional vibration damper, this magneto-rheological vibration damper compact structure, thus greatly expanded magnetorheological torsional vibration damper design theory and application area, have more wide researching value and application prospect.
Description of drawings
Fig. 1 is magnetorheological torsional vibration damper structural representation;
Fig. 2 is magnetorheological torsional vibration damper structural representation left view;
Among the figure: 1 left end cap, 2 seal rings, 3 seal rings, 4 inner sleeves, 5 first cooperating structures, 6 resin-sealed bands, 7 electromagnetic coils, 8 gaps, 9 stators, 10 push rods, 11 second cooperating structures, 12 jump rings, 13 outer sleeves, 14 lands, 15 jump rings, 16 right end caps, 17 stuffing box bearings, 18 seal rings, 19 jump rings, 20 keys, 21 jump rings, 22 jump rings, 23 magnetic flow liquids, 24 seal rings, 25 boss.
Embodiment
The present invention is further elaborated below in conjunction with accompanying drawing:
Referring to Fig. 1 and Fig. 2, the magnetorheological torsional vibration damper that the present invention proposes, the stator 9, magnetic flow liquid 23, stuffing box bearing 17 and the vibration damper cylinder body that comprise rotor assembly, are wound with electromagnetic coil form.Rotor assembly is comprised of the inner sleeve 4 and the land 14 that are connected with the push rod 10 of propeller structure, with push rod, and the rotor assembly input end is connected with load equipment by coupling.The vibration damper cylinder body is connected and composed by outer sleeve 13 and left and right end cap 1 and 16.
Stator 9 is solidly connected with the vibration damper cylinder body, and is wound with multistage electromagnetic coil 7 on the cylindrical.Push rod 10 with propeller structure rotates, and is with 6 to seal with resin-sealed between push rod 10 and stator 9 inwalls.Have certain gap 8 between inner sleeve 4, stator 9 and the outer sleeve 13, magnetic flow liquid 24 is full of the gap between stator, rotor and the outer sleeve 13.
Be processed with spiral bar on the push rod 10, the outer end of push rod 10 is connected with the center hole of inner sleeve 4 ends by four keys 20 that are distributed on the circumference.This section of inner sleeve 4 also is connected with land 14 by six circumferentially uniform tapped holes and ties together.Key 20 carries out axial restraint with inner sleeve by two jump rings 12,15, and uses resin to seal.Have groove on the surface of contact of the spiral bar on the push rod 10 and the inwall of stator, use resin-sealed circle that it is filled, form and resin-sealedly be with 6, make between itself and the stator inner wall to seal.
Stator 9 is connected location by three tapped holes that are distributed on circumference with the tapped hole that is connected the center with left end cap 1.The left part of stator 9 is designed with three uniform boss 25, as with the joint of left end cap 1, the recessed portion between the boss just forms the passage that the gap of 9 of its endoporus and inner sleeve 4 and stators is communicated with.So that the magnetic flow liquid that push rod 10 blades are pushed flows to the gap between stator 9, inner sleeve 4 and the vibration damper cylinder body.
Outer sleeve 13 seals by seal ring 2,24 with both sides end cap 1,16, is fixedly connected with by six tapped holes that are distributed on circumference respectively; Left and right sides end cap with stator the tapped hole place is installed respectively and rotor installation axle journal place seals with seal ring 3,18 respectively.
17 pairs of push rods 10 of stuffing box bearing support, stuffing box bearing 17 by two jump rings 21,22 and right end cap carry out axial restraint, rotor 10 carries out axial restraint by 19 pairs of rotors of jump ring.
Fit shapes by inner sleeve and stator 9 peripheries on the change push rod 10 as being processed with mutually the groove projection, can increase passage length and area of contact that magnetic flow liquid flows, thereby can increase the damping force of magnetorheological torsional vibration damper.This cooperating structure can be to design annular groove at stator, at the corresponding design of rotor annular protrusion, form the first cooperating structure 5, or design annular protrusion at stator, at the corresponding design of rotor annular groove, form the second cooperating structure 11, increase damping force and the dynamic range of magnetorheological torsional vibration damper.
Working principle of the present invention is, input end links to each other with load equipment by coupling, rotatablely moved by load equipment rotor driven assembly, and stator is fixed and keeps motionless; In the rotor assembly rotary course, push rod can be expressed to the groove of the magnetic flow liquid between push rod and stator inner wall by the stator left side gap between inner sleeve, stator and the vibration damper cylinder body; Magnetic flow liquid between inner sleeve and the vibration damper cylinder body does not form flow circuits, so flow hardly, only plays the effect of storage magnetic flow liquid; Magnetic flow liquid between the magnetic flow liquid between inner sleeve and the stator and push rod and stator inner wall forms mobile loop; After the electromagnetic coil energising produced magnetic field, the magnetic-particle in the magnetic flow liquid was arranged to certain rules, and when rotor rotated, mobile loop made magnetic flow liquid produce the mode of operation that flows, and rotor makes magnetic flow liquid produce the shearing work pattern; Can change the size of damping force by the size that changes electric current, thereby realize Torsional Vibration Control.
Claims (6)
1. a magnetorheological torsional vibration damper comprises rotor assembly, stator (9), magnetic flow liquid (23) and vibration damper cylinder body; Described vibration damper cylinder body is connected and composed by outer sleeve (13) and left and right end cap (1,16); Described stator (9) is fixedly connected with the vibration damper cylinder body, and is wound with multistage electromagnetic coil (7) on the cylindrical; Described rotor assembly is installed in the vibration damper cylinder body, cooperates with stator (9), and its input end is connected with load equipment by coupling; It is characterized in that:
Described rotor assembly comprises push rod (10) and the inner sleeve (4) with propeller structure;
Described push rod with propeller structure (10) is to form a rotating shaft processing spiral bar, end with helix structure of push rod (10) is installed in the endoporus of stator (9), the outer end is as the input end of rotor assembly, be supported on by stuffing box bearing (17) on the right end cap (16) of vibration damper cylinder body, be provided with resin-sealed band on the surface of contact of the spiral bar of push rod (10) and stator (9);
Described inner sleeve (4) is enclosed within outside the stator (9), leaves the gap (8) of passing through for magnetic flow liquid between the two, and an end of inner sleeve has center hole, close with the corresponding position bond of push rod (10), and axial restraint;
The endoporus of described stator (9) bottom have with inner sleeve (4) and stator (9) between the passage that is communicated with of gap;
Described magnetic flow liquid is full of the gap (8) between stator (9), inner sleeve (4) and the vibration damper cylinder body.
2. magnetorheological torsional vibration damper according to claim 1, it is characterized in that: also have land (14), described land (14) is enclosed within on the push rod, be bolted in inner sleeve (4) end, also be connected by key with push rod, and carry out axial restraint by jump ring (12) and (15).
3. magnetorheological torsional vibration damper according to claim 1 and 2, it is characterized in that: being formed with on the fitting surface of described inner sleeve (4) and stator (9) increases the mobile passage length of magnetic flow liquid and the cooperating structure of area of contact, described cooperating structure is to design annular groove at stator, at the corresponding design of rotor annular protrusion, form the first cooperating structure (5); And/or be to design annular protrusion at stator, at the corresponding design of rotor annular groove, form the second cooperating structure (11).
4. magnetorheological torsional vibration damper according to claim 1 and 2, it is characterized in that: described stator (9) is bolted the location with the left end cap (1) of vibration damper cylinder body, circumferentially three uniform boss are arranged at the bottom of stator (9), as with the joint of left end cap (1), the recessed portion between the boss just forms the passage that its endoporus is communicated with gap between inner sleeve (4) and stator (9).
5. magnetorheological torsional vibration damper according to claim 1 and 2 is characterized in that: described resin-sealed band be on the spiral bar of push rod (10) along the Hand of spiral fluting, potting resin in groove and forming makes between spiral bar and the stator inner wall to seal.
6. magnetorheological torsional vibration damper according to claim 1 and 2, it is characterized in that: the outer sleeve of vibration damper cylinder body (13) seals by seal ring (2,24) with left and right end cap (1,16), be fixedly connected with by the tapped hole that is distributed on the circumference respectively, left and right end cap (1,16) with stator the tapped hole place is installed and push rod installation axle journal place uses respectively seal ring (3,18) to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528018.XA CN103016602B (en) | 2012-12-10 | 2012-12-10 | Magneto-rheological torsion damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210528018.XA CN103016602B (en) | 2012-12-10 | 2012-12-10 | Magneto-rheological torsion damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016602A true CN103016602A (en) | 2013-04-03 |
| CN103016602B CN103016602B (en) | 2015-03-04 |
Family
ID=47965554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210528018.XA Active CN103016602B (en) | 2012-12-10 | 2012-12-10 | Magneto-rheological torsion damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103016602B (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758924A (en) * | 2014-01-22 | 2014-04-30 | 吉林大学 | Semi-automatic magneto-rheological fluid dual-mass flywheel |
| CN104728341A (en) * | 2015-04-14 | 2015-06-24 | 重庆大学 | Magneto-rheological torsion damper of clutch and clutch with same |
| CN106402253A (en) * | 2016-10-10 | 2017-02-15 | 杭州电子科技大学 | Torsional vibration adjustment device based on magnetorheology |
| CN106969090A (en) * | 2017-04-11 | 2017-07-21 | 重庆大学 | Magnetorheological half active adjusted based on electromagnetism and actively integrated torsional vibration damper |
| CN107477131A (en) * | 2017-07-25 | 2017-12-15 | 重庆大学 | Screw pump MR damper and its Spinning |
| CN108131420A (en) * | 2017-12-25 | 2018-06-08 | 重庆大学 | A kind of buffer unit for having effective energy-absorbing characteristic |
| CN108317103A (en) * | 2018-02-14 | 2018-07-24 | 重庆恩光科技有限公司 | Tunnel fan isolation mounting |
| CN108360371A (en) * | 2018-02-14 | 2018-08-03 | 重庆交通大学 | Vibration isolation type bridge |
| CN108394446A (en) * | 2018-03-05 | 2018-08-14 | 宝鸡文理学院 | Shock reducing type instrument handling device |
| CN108412814A (en) * | 2018-02-14 | 2018-08-17 | 重庆恩光科技有限公司 | Tunnel construction ventilation system |
| CN108411772A (en) * | 2018-02-14 | 2018-08-17 | 重庆交通大学 | Bridge vibration damping holder |
| CN108426369A (en) * | 2018-03-28 | 2018-08-21 | 重庆工程职业技术学院 | Air energy thermal water system for building |
| CN108443404A (en) * | 2018-04-08 | 2018-08-24 | 重庆市铜梁区人民医院 | Medical noise-reduction type MRI |
| CN108442240A (en) * | 2018-02-14 | 2018-08-24 | 重庆交通大学 | Vibration insulating system for bridge |
| CN108457174A (en) * | 2018-02-14 | 2018-08-28 | 重庆交通大学 | Bridge with damping system |
| CN108506250A (en) * | 2018-03-24 | 2018-09-07 | 重庆工程职业技术学院 | Build wind turbine vibration insulating system |
| CN108506376A (en) * | 2018-06-20 | 2018-09-07 | 华东交通大学 | A kind of New Rotary magnetic rheological brake |
| CN108528961A (en) * | 2018-04-10 | 2018-09-14 | 唐静 | Fragile article handling device |
| CN108547781A (en) * | 2018-04-22 | 2018-09-18 | 唐静 | Vibration isolation type wind turbine |
| CN108560699A (en) * | 2018-04-28 | 2018-09-21 | 重庆工程职业技术学院 | Noise reducing type builds house equipment balcony |
| CN108584152A (en) * | 2018-04-10 | 2018-09-28 | 重庆医药高等专科学校 | Accurate medical instrument movement system based on magnetic rheology effect |
| CN108759505A (en) * | 2018-04-27 | 2018-11-06 | 重庆工程职业技术学院 | Vibrating isolation system used for cooling tower |
| CN108843720A (en) * | 2018-06-20 | 2018-11-20 | 安徽工程大学 | Revolving type magnetic rheologic damper |
| CN109578499A (en) * | 2019-01-18 | 2019-04-05 | 上海材料研究所 | A kind of double rod magnetic rheological liquid dampers and its sludge proof method |
| CN110088498A (en) * | 2016-12-26 | 2019-08-02 | 日立汽车系统株式会社 | Cylinder assembly |
| CN110635586A (en) * | 2018-11-09 | 2019-12-31 | 重庆东渝中能实业有限公司 | Motor with low magnetic resistance |
| CN112963489A (en) * | 2021-04-07 | 2021-06-15 | 重庆大学 | Multi-channel multi-degree-of-freedom magnetorheological damper based on porous composite material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443234B (en) * | 2018-04-22 | 2020-03-31 | 深圳市雄裕橡胶五金制品有限公司 | Rubber supporting seat for fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040118646A1 (en) * | 2002-12-23 | 2004-06-24 | Delphi Technologies Inc | Magnetorheological damper assembly and piston |
| CN1621707A (en) * | 2004-12-14 | 2005-06-01 | 重庆大学 | Double channel magnetic current damp variation device with recombination of mixing mode and flowing mode |
| JP2009293772A (en) * | 2008-06-09 | 2009-12-17 | Jtekt Corp | Electromagnetic damper |
| JP2010038240A (en) * | 2008-08-05 | 2010-02-18 | Jtekt Corp | Electromagnetic shock absorber |
| CN101737449A (en) * | 2009-12-29 | 2010-06-16 | 重庆仪表材料研究所 | Screw rod type magnetorheological rotary damper |
-
2012
- 2012-12-10 CN CN201210528018.XA patent/CN103016602B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040118646A1 (en) * | 2002-12-23 | 2004-06-24 | Delphi Technologies Inc | Magnetorheological damper assembly and piston |
| CN1621707A (en) * | 2004-12-14 | 2005-06-01 | 重庆大学 | Double channel magnetic current damp variation device with recombination of mixing mode and flowing mode |
| JP2009293772A (en) * | 2008-06-09 | 2009-12-17 | Jtekt Corp | Electromagnetic damper |
| JP2010038240A (en) * | 2008-08-05 | 2010-02-18 | Jtekt Corp | Electromagnetic shock absorber |
| CN101737449A (en) * | 2009-12-29 | 2010-06-16 | 重庆仪表材料研究所 | Screw rod type magnetorheological rotary damper |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758924B (en) * | 2014-01-22 | 2015-09-30 | 吉林大学 | Half active magnetic flow liquid double mass flywheel |
| CN103758924A (en) * | 2014-01-22 | 2014-04-30 | 吉林大学 | Semi-automatic magneto-rheological fluid dual-mass flywheel |
| CN104728341A (en) * | 2015-04-14 | 2015-06-24 | 重庆大学 | Magneto-rheological torsion damper of clutch and clutch with same |
| CN104728341B (en) * | 2015-04-14 | 2016-10-05 | 重庆大学 | Clutch magneto-rheological torsion damper and clutch thereof |
| CN106402253B (en) * | 2016-10-10 | 2018-09-04 | 杭州电子科技大学 | Based on magnetorheological twisting vibration regulating device |
| CN106402253A (en) * | 2016-10-10 | 2017-02-15 | 杭州电子科技大学 | Torsional vibration adjustment device based on magnetorheology |
| CN110088498A (en) * | 2016-12-26 | 2019-08-02 | 日立汽车系统株式会社 | Cylinder assembly |
| CN106969090A (en) * | 2017-04-11 | 2017-07-21 | 重庆大学 | Magnetorheological half active adjusted based on electromagnetism and actively integrated torsional vibration damper |
| CN106969090B (en) * | 2017-04-11 | 2019-05-07 | 重庆大学 | The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism |
| CN107477131A (en) * | 2017-07-25 | 2017-12-15 | 重庆大学 | Screw pump MR damper and its Spinning |
| CN108131420A (en) * | 2017-12-25 | 2018-06-08 | 重庆大学 | A kind of buffer unit for having effective energy-absorbing characteristic |
| CN108360371A (en) * | 2018-02-14 | 2018-08-03 | 重庆交通大学 | Vibration isolation type bridge |
| CN108411772A (en) * | 2018-02-14 | 2018-08-17 | 重庆交通大学 | Bridge vibration damping holder |
| CN108317103A (en) * | 2018-02-14 | 2018-07-24 | 重庆恩光科技有限公司 | Tunnel fan isolation mounting |
| CN108442240A (en) * | 2018-02-14 | 2018-08-24 | 重庆交通大学 | Vibration insulating system for bridge |
| CN108457174A (en) * | 2018-02-14 | 2018-08-28 | 重庆交通大学 | Bridge with damping system |
| CN108412814A (en) * | 2018-02-14 | 2018-08-17 | 重庆恩光科技有限公司 | Tunnel construction ventilation system |
| CN108394446A (en) * | 2018-03-05 | 2018-08-14 | 宝鸡文理学院 | Shock reducing type instrument handling device |
| CN108506250A (en) * | 2018-03-24 | 2018-09-07 | 重庆工程职业技术学院 | Build wind turbine vibration insulating system |
| CN108506250B (en) * | 2018-03-24 | 2020-02-07 | 重庆工程职业技术学院 | Building fan damping system |
| CN108426369A (en) * | 2018-03-28 | 2018-08-21 | 重庆工程职业技术学院 | Air energy thermal water system for building |
| CN108443404A (en) * | 2018-04-08 | 2018-08-24 | 重庆市铜梁区人民医院 | Medical noise-reduction type MRI |
| CN108443404B (en) * | 2018-04-08 | 2019-08-02 | 重庆市铜梁区人民医院 | Medical noise-reduction type MRI |
| CN108528961A (en) * | 2018-04-10 | 2018-09-14 | 唐静 | Fragile article handling device |
| CN108584152A (en) * | 2018-04-10 | 2018-09-28 | 重庆医药高等专科学校 | Accurate medical instrument movement system based on magnetic rheology effect |
| CN108547781A (en) * | 2018-04-22 | 2018-09-18 | 唐静 | Vibration isolation type wind turbine |
| CN108759505A (en) * | 2018-04-27 | 2018-11-06 | 重庆工程职业技术学院 | Vibrating isolation system used for cooling tower |
| CN108560699A (en) * | 2018-04-28 | 2018-09-21 | 重庆工程职业技术学院 | Noise reducing type builds house equipment balcony |
| CN108560699B (en) * | 2018-04-28 | 2019-11-15 | 重庆工程职业技术学院 | Noise reducing type builds house equipment balcony |
| CN108843720A (en) * | 2018-06-20 | 2018-11-20 | 安徽工程大学 | Revolving type magnetic rheologic damper |
| CN108506376A (en) * | 2018-06-20 | 2018-09-07 | 华东交通大学 | A kind of New Rotary magnetic rheological brake |
| CN108843720B (en) * | 2018-06-20 | 2020-03-27 | 安徽工程大学 | Rotary magnetorheological damper |
| CN110635586A (en) * | 2018-11-09 | 2019-12-31 | 重庆东渝中能实业有限公司 | Motor with low magnetic resistance |
| CN109578499A (en) * | 2019-01-18 | 2019-04-05 | 上海材料研究所 | A kind of double rod magnetic rheological liquid dampers and its sludge proof method |
| CN109578499B (en) * | 2019-01-18 | 2024-04-30 | 上海材料研究所有限公司 | Double-rod magnetorheological fluid damper and magnetorheological fluid anti-sedimentation method thereof |
| CN112963489A (en) * | 2021-04-07 | 2021-06-15 | 重庆大学 | Multi-channel multi-degree-of-freedom magnetorheological damper based on porous composite material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016602B (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016602B (en) | Magneto-rheological torsion damper | |
| CN103821861B (en) | Axial eddy current damper based on spiral transmission method | |
| CN102168736B (en) | Magnetorheological torsional vibration damper for engine | |
| CN105782339B (en) | Variable inertia variable damping torsional vibration damper | |
| CN101652560B (en) | Hydraulic power generation device and hydraulic power generation system equipped with the same | |
| CN104135108B (en) | A kind of electric cylinder with buffer | |
| CN107191530B (en) | A kind of twin coil piston magneto-rheological liquid shimmy-damper | |
| CN103322113B (en) | Controllable torque device based on magnetorheological materials | |
| CN202510584U (en) | Cylindrical magnetorheological fluid coupling | |
| CN107120378B (en) | A kind of magneto-rheological vibration damper | |
| CN108006141A (en) | A kind of hydraulic bjuffer | |
| CN203457028U (en) | Coaxial sleeve type permanent magnetic eddy current coupling employing magnet-gathering type magnetic circuit structure | |
| CN111321820A (en) | Eddy current inertial mass damper | |
| CN113606276A (en) | Circumferential array spiral groove piston anti-settling magnetorheological damper | |
| CN115163723B (en) | Magneto-rheological variable damping vibration attenuation energy consumption device | |
| CN203984151U (en) | A kind of electric cylinder with buffer | |
| CN207150328U (en) | A kind of antidetonation motor shaft | |
| CN212053302U (en) | Eddy current inertial mass damper | |
| CN205453456U (en) | Permanent magnetism eddy current coupling for beam -pumping unit | |
| CN101789730B (en) | Motor soft starter based on magneto-rheological grease | |
| CN208619552U (en) | A kind of novel magnetic rheological clutch with annular gap | |
| CN208764185U (en) | A kind of revolving type magnetic rheologic brake with more fluid courses | |
| CN103994204A (en) | Water-lubricated sliding bearing | |
| CN204532058U (en) | Screw drilling tool motor and there is the helicoid hydraulic motor of this motor | |
| CN214617633U (en) | Inverted single-cylinder type cylinder linear motor active suspension actuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191127 Address after: 215000 Building 1, No. 296, Longxi Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Shihao Building Material New Technology Engineering Co., Ltd. Address before: 400030 Shapingba District, Sha Sha Street, No. 174, Chongqing Patentee before: Chongqing University |