CN110081081A - A kind of liquid magnetic vector support applied to Hydraulic Elements - Google Patents
A kind of liquid magnetic vector support applied to Hydraulic Elements Download PDFInfo
- Publication number
- CN110081081A CN110081081A CN201910340935.7A CN201910340935A CN110081081A CN 110081081 A CN110081081 A CN 110081081A CN 201910340935 A CN201910340935 A CN 201910340935A CN 110081081 A CN110081081 A CN 110081081A
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- magnetic
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
Abstract
The present invention provides a kind of liquid magnetic vector supports applied to Hydraulic Elements, belong to the friction pair couple field in Hydraulic Elements.A kind of liquid magnetic vector support applied to Hydraulic Elements of the present invention further carries out closed-loop control to high pressure thickness of liquid film by adjusting the magnetic force size of axial magnetic unit and radial magnetic force unit, it can avoid friction pair to wear, utmostly reduce oil liquid leakage simultaneously, improves the efficiency and service life of Hydraulic Elements.Iron core is installed in friction secondary motion couple side, radial magnetic force unit is equipped at face position, its two sides is arranged symmetrically axial magnetic unit, collectively form magnetic force unit group, in the secondary static couple of radial friction and the secondary static couple of axial rub radial displacement transducer is installed respectively and shaft position sensor is used to monitor the thickness of high pressure liquid film, the change information of high pressure thickness of liquid film feeds back to radial magnetic force unit and axial magnetic unit and the magnetic field that it is generated is weakened or reinforced, and keeps high pressure thickness of liquid film in the ideal range.
Description
Technical field
The present invention relates to a kind of liquid magnetic vector supports applied to Hydraulic Elements, belong to the friction pair couple neck in Hydraulic Elements
Domain.
Background technique
Friction pair is the key position in Hydraulic Elements, usually by stationary parts and with the movement portion for determining the characteristics of motion
Part is constituted, and high pressure liquid film has certain carrying and sealing function between friction is secondary.According to its working principle, moving component usually by
To axially or radially dynamic load, since high pressure liquid film stiffness is limited, need to provide extra support torque between the secondary couple that rubs
And support force, so as to cause surface of friction pair abrasion, this phenomenon is even more serious in the Hydraulic Elements of application low-viscosity media.
It can be seen that existing Hydraulic Elements rub, secondary couple is inevitably worn, and leads to a degree of power loss,
The performance of whole driving member is caused and is seriously affected, high pressure liquid film between mating plate is needed and is further improved (to liquid film
Rigidity is reinforced).It proposes a kind of new support applied to Hydraulic Elements, promotes the enabling capabilities of high pressure liquid film, reduce liquid
The power loss for pressing element, is one of current important research direction.
Studies have shown that permanent magnet unit cannot achieve the stable suspersion of support object, it is necessary to provide control in other freedom degrees
Power such as electromagnetic force constantly adjusts the magnetic field of magnetic force unit according to the change in location of floatation part to reach stable state.But electromagnetism
The magnetic force of iron is all determined that energy consumption is larger by number of ampere turns, if support force is all provided by electromagnetic unit, can be saturated magnetic strength to magnet
The higher requirement of intensity band is answered, number of ampere turns is greatly increased, this improves the entirety of magnetic support construction to a certain extent
Volume.
Summary of the invention
The purpose of the present invention is to solve the secondary wear problems that rubs in Hydraulic Elements, and then provide a kind of applied to liquid
Press the liquid magnetic vector support of element.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of liquid magnetic vector support applied to Hydraulic Elements, the liquid applied to Hydraulic Elements-magnetic vector support includes diameter
To magnetic force unit, friction secondary motion couple, iron core, axial magnetic unit, shell, magnetic separator, the secondary static couple of radial friction,
The secondary static couple of radial displacement transducer, shaft position sensor, axial rub and high pressure liquid film, axial magnetic unit include axis
To magnetic force unit a and axial magnetic unit b, high pressure liquid film includes high pressure liquid film a and high pressure liquid film b, friction secondary motion couple with
There are high pressure liquid film between the secondary static couple of radial friction and axial rub pair couple, iron is installed in the secondary motion couple that rubs
Core is equipped with radial magnetic force unit at iron core face position, and radial magnetic force unit two sides are symmetrically arranged with axial magnetic unit a and axial direction
Magnetic force unit b is equipped with magnetic separator, iron core and the secondary fortune of friction between axial magnetic unit a and axial magnetic unit b and shell
Magnetic separator is installed between dynamic couple, the initial position of magnetic separator should be at the front end at the edge axial magnetic unit a and end
Stop bit sets the end that should be at the edge axial magnetic unit b, is equipped with radial displacement transducer in the secondary static couple of radial friction,
Shaft position sensor is installed in the secondary static couple of axial rub.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, between the axial magnetic unit a and iron core just
Beginning gap and axial magnetic unit b and iron core between primary clearance it is identical.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, the z-axis direction that the axial magnetic unit provides
Magnetic force and other pressing forces being applied in friction secondary motion couple offset high pressure liquid film b pressure jointly, realize on z-axis direction
Dynamic balance；The radial magnetic force that radial magnetic force unit generates on x/y plane offsets the pressure of high pressure liquid film a, realizes in x and y-axis
The dynamic balance in direction.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, and the magnetic separator is made of aluminium.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, and the iron core is formed using silicon steel plate stacking.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, and magnetic support structure is modular design, specifically
Including radial magnetic force unit, axial magnetic unit, iron core and magnetic separator, it is cascaded along z-axis and is connected with shell, it can root
Relative motion relation between the secondary couple that factually rubs in the Hydraulic Elements of border axially or radially carries out matched combined to magnetic force unit.
A kind of liquid magnetic vector applied to Hydraulic Elements of the present invention supports, by adjusting axial magnetic unit and radial magnetic force
The magnetic force size of unit further carries out closed-loop control to high pressure thickness of liquid film, can avoid friction pair and wears, while is maximum
Degree reduces oil liquid leakage, improves the efficiency and service life of Hydraulic Elements；It is applied in friction secondary motion couple by adjusting
Vector magnetic force control friction auxiliary air gap, provide Auxiliary support power using vector magnetic force for high pressure liquid film, promote high pressure liquid film
Support stiffness, the vector to friction secondary motion couple posture is realized by the coupling of vector magnetic force and high pressure film pressure
It adjusts, avoids the direct contact between couple, while guaranteeing the sealing function of high pressure liquid film.
Detailed description of the invention
Fig. 1 is liquid-magnetic vector support structural schematic diagram that the present invention is applied to Hydraulic Elements.
Appended drawing reference has: 1 is radial magnetic force unit；2 be friction secondary motion couple；3 be iron core；4 be axial magnetic unit；
5 be shell；6 be magnetic separator；7 be the secondary static couple of radial friction；8 be radial displacement transducer；9 sense for axial displacement
Device；10 be the secondary static couple of axial rub；11 be high pressure liquid film.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail: the present embodiment is being with technical solution of the present invention
Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment one: as shown in Figure 1, a kind of liquid magnetic vector support applied to Hydraulic Elements involved in the present embodiment,
It is quiet including radial magnetic force unit, friction secondary motion couple, iron core, axial magnetic unit, shell, magnetic separator, radial friction pair
The only secondary static couple of couple, radial displacement transducer, shaft position sensor, axial rub, the friction secondary motion couple and
There are high pressure liquid films between the secondary static couple of radial friction and the secondary static couple of axial rub, and the friction secondary motion couple is through driving
Dynamic linear motion or the rotary motion having had along z-axis, the inner radial surface of radial magnetic force unit are right against iron core radial direction appearance
Spacing distance is arranged in face between the iron core and radial magnetic force unit, form the radial working clearance, axial magnetic unit is with respect to diameter
It is arranged symmetrically to magnetic force unit, end face outside connects with shell respectively, and the initial position of magnetic separator should be at axial magnetic list
The front end at first edge a, the final position of magnetic separator should be at the end of axial magnetic cell edges b, radial magnetic force unit, axis
It is cascaded to magnetic force unit along z-axis and connects with two side bodies, primary clearance and axis between axial magnetic unit a and iron core
It is identical to the primary clearance between magnetic force unit b and iron core.
Axial magnetic unit and radial magnetic force unit generate controllable magnetic to iron core respectively, reach initial balance.Work as radial direction
On high pressure liquid film a thickness when changing, radial displacement transducer detects the shift offset on the direction x and y, and displacement is inclined
Shifting amount is transmitted to radial magnetic force unit by feedback, and the magnetic field generated to radial magnetic force unit is reinforced or weakened, thus
It is completed jointly to friction secondary motion couple by the coupling between radial high-pressure liquid film a pressure and controllable radial magnetic force in diameter
Stablize support upwards, realizes the sealing function of radial friction pair；The initial position of the secondary motion couple that rubs in the axial direction is according to axis
Shaft position sensor detect and by adjusting magnetic field that axial magnetic unit generates to rubbing in the secondary static couple of friction
It wipes secondary primary clearance to be set, when the high pressure liquid film b thickness in axial direction changes, the displacement bias on the direction z occurs
Axial magnetic unit is measured and fed back to, high pressure liquid film b average thickness is maintained by changing the magnetic field that axial magnetic unit generates, leads to
The magnetic force of axial magnetic unit each section generation is overregulated to balance the out-of-balance force of friction secondary motion couple in the x and y direction
Square, the vector magnetic force that high pressure liquid film b pressure and axial magnetic unit provide complete in the axial direction even to friction secondary motion jointly
Part stablizes support, realizes the sealing function of axial rub pair.
Embodiment two: as shown in Figure 1, a kind of liquid magnetic vector support applied to Hydraulic Elements involved in the present embodiment,
Magnetic support structure of the invention supports for realizing the vector to Hydraulic Elements friction secondary motion couple, uses combined magnetic
Modular design, can be according to the relative motion relation between the secondary couple that rubs axially or radially to radial magnetic force unit and axial magnetic
Power unit carries out matched combined, the friction secondary motion couple position detected according to radial displacement transducer and shaft position sensor
Information, which adjusts axial magnetic unit and the magnetic field of radial magnetic force unit, can set friction secondary motion couple and the secondary static couple of friction
Between primary clearance pass through and adjust axial magnetic unit and radial magnetic force unit each section is produced with the formation of high pressure liquid film
Raw magnetic force can balance friction secondary motion couple unbalanced moments in the x and y direction, by magnetic force on the direction x, y and z and
The coupling of high pressure film pressure carries out vector adjustment to the pose of friction secondary motion couple during the work time jointly, radial
Displacement sensor and shaft position sensor feed back the change in location of friction secondary motion couple during the work time to axial magnetic
Power unit and radial magnetic force unit, by adjusting the magnetic force size of axial magnetic unit and radial magnetic force unit further to high pressure
Thickness of liquid film carries out closed-loop control, can avoid friction pair and wears, while utmostly reducing oil liquid leakage, improves hydraulic member
The efficiency and service life of part.
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention
Different implementations under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all cover of the invention
Within protection scope.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (6)
1. a kind of liquid magnetic vector applied to Hydraulic Elements supports, which is characterized in that the liquid applied to Hydraulic Elements-magnetic arrow
Amount support include radial magnetic force unit (1), friction secondary motion couple (2), iron core (3), axial magnetic unit (4), shell (5),
Magnetic separator (6), radial friction secondary static couple (7), shaft position sensor (9), are axially rubbed at radial displacement transducer (8)
It wipes secondary static couple (10) and high pressure liquid film (11), axial magnetic unit (4) includes axial magnetic unit a and axial magnetic unit
B, high pressure liquid film (11) include high pressure liquid film a and high pressure liquid film b, and rub secondary motion couple (2) and the secondary static couple of radial friction
(7) it between axial rub pair couple (10) there are high pressure liquid film (11), rubs and cored (3) is installed on secondary motion couple (2),
It is equipped with radial magnetic force unit (1) at iron core (3) face position, radial magnetic force unit (1) two sides are symmetrically arranged with axial magnetic unit a
Magnetic separator (6), iron are installed between axial magnetic unit b, axial magnetic unit a and axial magnetic unit b and shell (5)
It is equipped with magnetic separator (6) between core (3) and friction secondary motion couple (2), the initial position of magnetic separator (6) should be at axial direction
The front end at the edge magnetic force unit a and final position should be at the end at the edge axial magnetic unit b, the secondary static couple of radial friction
(7) it is equipped on radial displacement transducer (8), shaft position sensor (9) is installed on the secondary static couple (10) of axial rub.
2. the liquid according to claim 1 applied to Hydraulic Elements-magnetic vector support, which is characterized in that the axial magnetic
Primary clearance between power unit a and iron core (3) between primary clearance and axial magnetic unit b and iron core (3) is identical.
3. the liquid according to claim 1 applied to Hydraulic Elements-magnetic vector support, which is characterized in that the axial magnetic
The magnetic force in the z-axis direction that power unit (4) provides and other pressing forces being applied in friction secondary motion couple (2) offset height jointly
Hydraulic fluid film b pressure realizes the dynamic balance on z-axis direction；The radial magnetic force that radial magnetic force unit (1) generates on x/y plane is offset
The pressure of high pressure liquid film a realizes the dynamic balance in x and y-axis direction.
4. the liquid according to claim 1 applied to Hydraulic Elements-magnetic vector support, which is characterized in that described every magnetic material
Material (6) is made of aluminium.
5. the liquid according to claim 1 or 3 applied to Hydraulic Elements-magnetic vector support, which is characterized in that the iron core
(3) it is formed using silicon steel plate stacking.
6. the liquid according to claim 1 applied to Hydraulic Elements-magnetic vector support, which is characterized in that magnetic support knot
Structure is modular design, specifically includes radial magnetic force unit (1), axial magnetic unit (4), iron core (3) and magnetic separator (6),
Be cascaded along z-axis and be connected with shell (5), can according between the secondary couple that rubs in actual hydraulic pressure element axially or radially
Relative motion relation carries out matched combined to magnetic force unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340935.7A CN110081081B (en) | 2019-04-25 | 2019-04-25 | Be applied to hydraulic component's hydromagnetic vector and support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340935.7A CN110081081B (en) | 2019-04-25 | 2019-04-25 | Be applied to hydraulic component's hydromagnetic vector and support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110081081A true CN110081081A (en) | 2019-08-02 |
| CN110081081B CN110081081B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340935.7A Active CN110081081B (en) | 2019-04-25 | 2019-04-25 | Be applied to hydraulic component's hydromagnetic vector and support |
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| CN (1) | CN110081081B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623163A (en) * | 2021-09-22 | 2021-11-09 | 哈尔滨工业大学 | End face flow distribution axial plunger pump based on liquid-magnetic composite support |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317838A (en) * | 2014-07-31 | 2016-02-10 | 卓向东 | Magnetic block spliced magnetic ring type magnetic suspension bearing |
| BR102014021617A2 (en) * | 2014-09-01 | 2016-04-26 | Mundial S A Produtos De Consumo | floating bearing motor pump cooled by a circulating fluid |
| US9334898B2 (en) * | 2012-07-16 | 2016-05-10 | Solar Turbines Incorporated | Lamination sleeve with an axial hydraulic fitting port |
| CN106286685A (en) * | 2016-09-10 | 2017-01-04 | 西安科技大学 | Piezoelectricity and the dual energy magnetic rheological vibration damper of electromagnetic induction and control method thereof |
-
2019
- 2019-04-25 CN CN201910340935.7A patent/CN110081081B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9334898B2 (en) * | 2012-07-16 | 2016-05-10 | Solar Turbines Incorporated | Lamination sleeve with an axial hydraulic fitting port |
| CN105317838A (en) * | 2014-07-31 | 2016-02-10 | 卓向东 | Magnetic block spliced magnetic ring type magnetic suspension bearing |
| BR102014021617A2 (en) * | 2014-09-01 | 2016-04-26 | Mundial S A Produtos De Consumo | floating bearing motor pump cooled by a circulating fluid |
| CN106286685A (en) * | 2016-09-10 | 2017-01-04 | 西安科技大学 | Piezoelectricity and the dual energy magnetic rheological vibration damper of electromagnetic induction and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623163A (en) * | 2021-09-22 | 2021-11-09 | 哈尔滨工业大学 | End face flow distribution axial plunger pump based on liquid-magnetic composite support |
| CN113623163B (en) * | 2021-09-22 | 2022-07-05 | 哈尔滨工业大学 | End face flow distribution axial plunger pump based on liquid-magnetic composite support |
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| Publication number | Publication date |
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| CN110081081B (en) | 2020-08-28 |
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