CN102588498A - No-leakage electromagnetic fluid body damper - Google Patents
No-leakage electromagnetic fluid body damper Download PDFInfo
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- CN102588498A CN102588498A CN201210037755XA CN201210037755A CN102588498A CN 102588498 A CN102588498 A CN 102588498A CN 201210037755X A CN201210037755X A CN 201210037755XA CN 201210037755 A CN201210037755 A CN 201210037755A CN 102588498 A CN102588498 A CN 102588498A
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Abstract
The invention relates to a no-leakage electromagnetic fluid body damper. The damper comprises a disc (32), a bottom disc flange (17) arranged opposite to the disc (32), a hydraulic cylinder (2) which is used for connecting with the disc (32) and the bottom disc flange (17) in a no-leakage manner, a first disc flange (1) provided with a third unthreaded hole (39), a cylinder (25) which is provided with an opening and disc flanges at two ends, an upper end disc flange arranged on the upper end of the cylinder (25) with the disc flanges at the two ends, and a lower end disc flange arranged on the lower end of the cylinder (25) with the disc flanges at the two ends; and the magnetic force is utilized to drag a piston in the damper to move, when the piston moves, the damping liquid flows past a small round through hole on the piston to consume energy, thereby playing the role of controlling oscillatory effects. As a sealing member is not used, and the damper is not easy to leak out the damping liquid.
Description
Technical field
The present invention proposes a kind of " a kind of nothing is leaked the electromagnetic fluid damper ", belongs to field of vibration control.
Background technique
Fluid damper is a kind of effective structural damping device, but in the fluid damper working procedure, exists the possibility of fluid damper inner fluid seepage, and therefore in the occasion that does not allow leakage, the use of fluid damper just is restricted.The present invention proposes a kind of fluid damper, and this damper does not use Sealing, thereby is difficult for taking place the leakage fault.
Summary of the invention
Technical problem:The objective of the invention is a kind of through proposing " a kind of nothing is leaked the electromagnetic fluid damper ", be specially adapted to not allow the structural vibration control under the leakage condition.
Technological scheme:For solving the problems of the technologies described above, technological scheme provided by the invention is:
The present invention is a kind of not to be had and leaks the electromagnetic fluid damper and utilize the piston motion power consumption in the contactless promotion damper of magnetic force, plays the effect of control vibration.
This damper comprises: disk, the bottom disc flange that is oppositely arranged with disk, disk and bottom disc flange do not had the cylinder that the two ends of leaking the oil hydraulic cylinder, first disc flange that is provided with the 3rd unthreaded hole that are connected, having opening have disc flange; There is the upper end disc flange upper end that two ends have the cylinder of disc flange, and there is the lower end disc flange lower end that two ends have the cylinder of disc flange;
The bottom disc flange; Disk and oil hydraulic cylinder are formed closed no leakage space; Damp liquid is full of this closed no leakage space, this closed no leakage space part be positioned at the cylinder that two ends have disc flange, the lower end disc flange that two ends have the cylinder of disc flange links to each other with disc flange; Oil hydraulic cylinder passes the 3rd unthreaded hole of disc flange, disc flange built-in electromagnetic iron block;
This damper also comprises along the piston of oil hydraulic cylinder axial motion, circular shaft and permanent magnetic iron block; This piston is positioned at the middle part of oil hydraulic cylinder; The piston circle centre position is provided with round tube hole, and circular shaft passes round tube hole, and the lower end surface of circular shaft does not have leakage with the bottom disc flange and is connected; The upper-end surface of circular shaft flushes with the upper-end surface of disk and does not have to leak and is connected; Have little round tube hole on the piston, when the line of action of making a concerted effort of damp liquid suffered damping force of piston during through the roundlet through hole and the dead in line of circular shaft, permanent magnetic iron block is arranged on internal piston.
Two ends have the axis of the cylinder of disc flange, the axis of disc flange, the axis of oil hydraulic cylinder, the axis of bottom disc flange, the axis of circular shaft, the axis of piston, the dead in line of round tube hole.
Electromagnet block and permanent magnetic iron block attract each other through magnetic force, and the component of making a concerted effort in the horizontal direction of the suffered magnetic force of all permanent magnetic iron blocks is zero; Can reach the direction and strong and weak purpose that changes the electromagnetic field that electromagnet block produced through the size and Orientation of electric current of adjustment electromagnet block, and then the size and Orientation of the suffered magnetic force of active adjustment permanent magnetic iron block, reach the purpose of Active Vibration Control.
Circular shaft, its epimere is provided with second spring, obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the lower end of second spring is connected with piston upper surface, and the upper end of second spring is connected with the top of circular shaft, and second spring is to the line of action of making a concerted effort of the active force of piston and the dead in line of circular shaft.
The hypomere of said circular shaft is provided with first spring, obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the upper end of first spring is connected with the piston lower surface, and the lower end of first spring is connected with circular shaft bottom, and first spring is to the line of action of making a concerted effort of the active force of piston and the dead in line of circular shaft.
Said circular shaft is provided with second spring, first spring, obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the lower end of second spring is connected with piston upper surface, and the upper end of second spring is connected with the top of circular shaft; The upper end of first spring is connected with the lower surface of piston, and the lower end of first spring is connected with circular shaft bottom; This second spring is to the line of action of making a concerted effort of the active force of piston and the dead in line of circular shaft; First spring is to the line of action of making a concerted effort of the active force of piston and the dead in line of circular shaft.
Described upper end disc flange and lower end are connected and are provided with the 3rd spring between the disk, obtain a kind of another kind of style of leaking the electromagnetic fluid damper of not having; The upper end of the 3rd spring is connected two ends and has on the lower end surface of upper end disc flange of cylinder of disc flange, and the lower end of the 3rd spring is connected on the upper surface of disk.
During use; The upper end disc flange that two ends have the cylinder of disc flange is fixed on the oscillating body (or static basis); The upper surface of upper end disc flange that two ends have the cylinder of disc flange contacts with oscillating body (or static basis); The bottom disc flange is fixed on the static basis (or oscillating body), and two ends have the distance of upper surface of lower surface and disk of upper end disc flange of cylinder of disc flange greater than the maximum vibration displacement of oscillating body with respect to the basis; Two ends have the axis of the cylinder of disc flange, the axis of bottom disc flange, the axis of cylindrical shape oil hydraulic cylinder, the axis of disk, the axis of circular shaft, the axis of piston, the axis of disc flange, the axis of second spring and the dead in line of first spring.Because the permanent magnetic iron block in the piston is with the magnetic attraction effect between the permanent magnetic iron block in the disc flange; When oscillating body was static, piston was in the static balance state under the acting in conjunction of gravity, magnetic force, second spring and first spring etc., when oscillating body vibrates; Disc flange will draw piston and move along circular shaft; During piston motion, damp liquid flows through the little round tube hole on the piston, and damp liquid flows through the roundlet through hole dissipative structure vibrational energy on the piston; Can play the effect of ACTIVE CONTROL by the size and Orientation of demand during use through the electric current in the computer control change electromagnet block.
Beneficial effect:Cylindrical shape oil hydraulic cylinder, bottom disc flange, disk are formed does not have the confined space of leakage; Piston is moved along circular shaft in this confined space by Magnetic force tracting, and when piston motion, damp liquid flows through the small sircle hole on the piston; Damp liquid consumes energy when flowing through the small sircle hole on the piston, plays the effect that suppresses vibration.Owing to do not use Sealing, piston does not only move in having the confined space of leakage, and the phenomenon of leakage of general fluid damper in the vibration control process can not appear in this fluid damper.Owing to adopt electromagnet; Magnetic polarity and magnetic field through adjustment ABAP Adapter control electromagnet are strong and weak, play the effect of ACTIVE CONTROL, and the distance of electromagnet block and permanent magnetic iron block can be very near; Do not receive the influence of vibration displacement; Press the electromagnetism principle, magnetic force is bigger, thereby bigger damping force can be provided.
Description of drawings:
Fig. 1 be a kind of do not have leak the electromagnetic fluid damper face the sectional structure schematic representation;
Fig. 2 be among Fig. 1 disc flange 1 and be installed in parts on the disc flange 1 face the sectional structure schematic representation;
Fig. 3 be among Fig. 1 disc flange 1 face the sectional structure schematic representation;
Fig. 4 be among Fig. 1 disc flange 1 and be installed on the disc flange 1 components A-A to face the sectional structure schematic representation;
Fig. 5 be among Fig. 4 disc flange 1 face the sectional structure schematic representation;
Fig. 6 is the worm's eye view of disc flange 1 among Fig. 1;
Fig. 7 is that the B-B of disc flange 1 among Fig. 6 is to the sectional structure schematic representation;
Fig. 8 is the worm's eye view of the second quadrilateral briquetting 9 among Fig. 6;
Fig. 9 be among Fig. 1 piston 18 and be installed in parts on the piston 18 face the sectional structure schematic representation;
Figure 10 is the plan view of piston 18 among Fig. 1;
Figure 11 is that the C-C of piston 18 among Figure 10 is to the sectional structure schematic representation;
Figure 12 is that the D-D of piston 18 among Figure 10 is to the sectional structure schematic representation;
Figure 13 is the worm's eye view of the first quadrilateral briquetting 4 among Figure 10;
Have among the above figure: disc flange 1, cylindrical shape oil hydraulic cylinder 2, the first bolts 3, the first quadrilateral briquettings 4, the first unthreaded holes 5; First tapped hole 6, permanent magnetic iron block 7, circular shaft 8, the second quadrilateral briquettings 9, the second bolts 10; Electromagnet block 11, the second tapped holes 12, the second unthreaded holes 13, the first bolts hole 14, damp liquid 15; First coil component spring 16, bottom disc flange 17, piston 18, roundlet through hole 19, round tube hole 20; Second coil component spring 21, two ends have lower end disc flange 22, the second bolts hole 23, the three bolts hole 24 of the cylinder 25 of disc flange, and two ends have the cylinder 25 of disc flange; The 4th bolt hole 26, two ends have upper end disc flange 27, the three coil component springs 28 of the cylinder 25 of disc flange, cylindrical body 29, through hole 30; The 3rd bolt 31, the bigger quadrilateral groove 34 of upper width of disk 32, the one T shape quadrilateral grooves 33, the one T shape quadrilateral grooves 33; The bigger quadrilateral groove 38 of lower width of quadrilateral groove 37, the two T shape quadrilateral grooves 36 that the upper width of quadrilateral groove 35, the two T shape quadrilateral grooves 36, the two T shape quadrilateral grooves 36 that the lower width of the one T shape quadrilateral groove 33 is less is less; The 3rd unthreaded hole 39, the four unthreaded holes 40, the first leads 41, the second leads 42.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
The present invention proposes a kind of nothing and leaks the electromagnetic fluid damper; Utilize magnetic force to promote the piston motion in the damper, when piston motion, damp liquid flows through the small sircle hole (damping hole) on the piston; The effect that control is vibrated is played in power consumption when damp liquid flows through the small sircle hole (damping hole) on the piston.
The description of embodiments of the invention in fact only is exemplary, and purpose never is to limit application of the present invention or use.
This is a kind of not to have the electromagnetic fluid of leakage damper and be characterised in that: all springs are all got the coil component spring form; The upper surface of piston 18 has a T shape quadrilateral groove 33; The length direction line of the one T shape quadrilateral groove 33 is crossed the center of circle of piston 18; The one T shape quadrilateral groove 33 is distributed on the piston 18; All T shape quadrilateral grooves 33 are identical to the distance of the axis of piston 18, and a T shape quadrilateral groove 33 is made up of the bigger quadrilateral groove 34 of the upper width of a T shape quadrilateral groove 33 and the less quadrilateral groove 35 of lower width of a T shape quadrilateral groove 33; The shape of the quadrilateral groove 35 that the shape of column permanent magnetic iron block 7 and the lower width of a T shape quadrilateral groove 33 are less is identical, the quadrilateral groove 35 that the lower width of the size of column permanent magnetic iron block 7 and a T shape quadrilateral groove 33 is less measure-alike; Column permanent magnetic iron block 7 places in the less quadrilateral groove 35 of the lower width of a T shape quadrilateral groove 33, and the lower surface of the quadrilateral groove 35 that the lower width of the lower surface of column permanent magnetic iron block 7 and a T shape quadrilateral groove 33 is less is fitted; Two magnetic poles of column permanent magnetic iron block 7 point to the axial direction and the axial direction that points to away from piston 18 of piston 18 respectively; The shape of the quadrilateral groove 34 that the shape of the first quadrilateral briquetting 4 and the upper width of a T shape quadrilateral groove 33 are bigger is identical, the quadrilateral groove 34 that the upper width of the size of the first quadrilateral briquetting 4 and a T shape quadrilateral groove 33 is bigger measure-alike; Four jiaos of the quadrilateral groove 34 that the upper width of the one T shape quadrilateral groove 33 is bigger about piston diameter of a circle line symmetric arrangement first tapped hole 6; First unthreaded hole 5 is arranged on the first quadrilateral briquetting 4; The first quadrilateral briquetting 4 places in the bigger quadrilateral groove 34 of the upper width of a T shape quadrilateral groove 33; The upper surface of the quadrilateral groove 34 that the upper width of the lower surface of the first quadrilateral briquetting 4 and a T shape quadrilateral groove 33 is bigger is fitted, the flush of the upper surface of the first quadrilateral briquetting 4 and piston 18; The quantity of first tapped hole 6 of the quadrilateral groove 34 that the quantity of first unthreaded hole 5 on the first quadrilateral briquetting 4 and the upper width of a T shape quadrilateral groove 33 of piston 18 are bigger is identical, the dead in line of first tapped hole 6 of a T shape quadrilateral groove 33 of the axis of first unthreaded hole 5 on the first quadrilateral briquetting 4 and piston 18; The threaded end of first bolt 3 is passed first unthreaded hole 5 and is screwed into first tapped hole, 6, the first bolts 3 when tightening, and first bolt 3 compresses the first quadrilateral briquetting 4; On piston 18; Be uniformly distributed with about piston 18 axis and have roundlet through hole 19; All roundlet through holes 19 are identical to the distance of piston 18 axis; Roundlet through hole 19 must not be overlapping with a T shape quadrilateral groove 33, and the roundlet through hole of arranging like this 19 just can guarantee when the line of action of making a concerted effort of damp liquid 15 piston 18 suffered damping forces during through roundlet through hole 19 and the dead in line of circular shaft 8; The lower surface of disc flange 1 has the 2nd T shape quadrilateral groove 36; The length direction line of the 2nd T shape quadrilateral groove 36 is crossed the center of circle of disc flange 1, and the 2nd T shape quadrilateral groove 36 is made up of the less quadrilateral groove 37 of the upper width of the 2nd T shape quadrilateral groove 36 and the bigger quadrilateral groove 38 of lower width of the 2nd T shape quadrilateral groove 36; The shape of the quadrilateral groove 37 that the shape of electromagnet block 11 and the upper width of the 2nd T shape quadrilateral groove 36 are less is identical, the quadrilateral groove 37 that the upper width of the size of electromagnet block 11 and the 2nd T shape quadrilateral groove 36 is less measure-alike; Electromagnet block 11 places in the less quadrilateral groove 37 of the upper width of the 2nd T shape quadrilateral groove 36, and the upper surface of the upper surface of electromagnet block 11 and the 2nd T shape quadrilateral groove 36 is fitted; Two magnetic poles of electromagnet block 11 point to the axial direction and the axial direction that points to away from disc flange 1 of disc flange 1 respectively; Energising back electromagnet block 11 is opposite near the magnetic polarity of cylindrical shape oil hydraulic cylinder 2 one ends near the magnetic polarity and the column permanent magnetic iron block 7 of cylindrical shape oil hydraulic cylinder 2 one ends; Said like this electromagnet block 11 and column permanent magnetic iron block 7 just can satisfy electromagnet block 11 and column permanent magnetic iron block 7 and attract each other through magnetic force, and the component of making a concerted effort in the horizontal direction of all column permanent magnetic iron block 7 suffered magnetic force is zero requirement; The shape of the quadrilateral groove 38 that the shape of the second quadrilateral briquetting 9 and the lower width of the 2nd T shape quadrilateral groove 36 are bigger is identical, the quadrilateral groove 38 that the lower width of the size of the second quadrilateral briquetting 9 and the 2nd T shape quadrilateral groove 36 is bigger measure-alike; Four jiaos of diameter line symmetric arrangement second tapped holes 12 of the quadrilateral groove 38 that the lower width of the 2nd T shape quadrilateral groove 36 is bigger about disc flange 1; On the end face of the second quadrilateral briquetting 9, be furnished with second unthreaded hole 13; The second quadrilateral briquetting 9 places in the bigger quadrilateral groove 38 of the lower width of the 2nd T shape quadrilateral groove 36; The lower surface of the upper surface of the second quadrilateral briquetting 9 and electromagnet block 11 is fitted, and the lower surface of the second quadrilateral briquetting 9 flushes with the lower surface of disc flange 1; The quantity of second unthreaded hole 13 is identical with the quantity of second tapped hole 12 of the 2nd T shape quadrilateral groove 36 of disc flange 1 on the second quadrilateral briquetting 9, the dead in line of second tapped hole 12 of the 2nd T shape quadrilateral groove 36 of the axis of second unthreaded hole 13 and disc flange 1 on the second quadrilateral briquetting 9; Also being furnished with the 4th unthreaded hole 40, the four unthreaded holes 40 on the end face of the second quadrilateral briquetting 9 must not be overlapping with second unthreaded hole 13, and first lead 41 passes the 4th unthreaded hole 40 with second lead 42 and links to each other with the both positive and negative polarity of external power supply respectively; The threaded end of second bolt 10 is passed second unthreaded hole 13 and is screwed into second tapped hole, 12, the second bolts 10 when tightening, and second bolt 10 compresses the second quadrilateral briquetting 9; Second bolt hole 24 is uniformly distributed with along a circumference of disc flange 1, and second bolt hole 24 must not be overlapping with the 2nd T shape quadrilateral groove 36, and second bolt hole 24 is distributed in beyond the 2nd T shape quadrilateral groove 36; Electromagnet block 11 and column permanent magnetic iron block 7 be because of magnetic force attracts each other, and electromagnet block 11 divided equally for the plane of two parts up and down be the planes of two parts up and down with column permanent magnetic iron block 7 is divided equally; Cylindrical shape oil hydraulic cylinder 2 passes the 3rd unthreaded hole 39 of disc flange 1, disc flange 1 axis, the axis of bottom disc flange 17, the axis of cylindrical shape oil hydraulic cylinder 2, the axis of disk 32, the axis of circular shaft 8, the axis of piston 18, the axis of second coil component spring 21 and the dead in line of first coil component spring 16.The 2nd T shape quadrilateral groove 36 in the disc flange 1 is identical with a T shape quadrilateral groove 33 quantity in the piston 18, one the 2nd T shape quadrilateral groove 36 with and only be distributed on the same ray perpendicular to disk 32 axis with one the one T shape quadrilateral groove 33.The upper surface of bottom disc flange 17 does not have leakage with the lower end surface of cylindrical shape oil hydraulic cylinder 2 and is connected; Disk 32 does not have leakage with the upper-end surface of cylindrical shape oil hydraulic cylinder 2 and is connected; Circular shaft 8 lower end surfaces do not have leakage with bottom disc flange 17 and are connected; The upper-end surface of circular shaft 8 flushes with the upper-end surface of disk 32 and does not have to leak and is connected, and bottom disc flange 17 seals out a closed no leakage space that is full of damp liquid 15 with cylindrical shape oil hydraulic cylinder 2, disk 32 and circular shaft 8; First bolt hole 14 is uniformly distributed with along a circumference on the bottom disc flange 17, and first bolt hole 14 is distributed in cylindrical shape oil hydraulic cylinder 2 outsides; Circular shaft 8 passes piston 18, second coil component spring 21 and first coil component spring 16; Piston 18 is positioned at cylindrical shape oil hydraulic cylinder 2 middle parts; The lower end of second coil component spring 21 is connected with piston 18 upper surfaces, and the upper end of second coil component spring 21 is connected with the top of the cylndrical surface of circular shaft 8, and the distance that the upper-end surface of circular shaft 8 is left in the upper end of second coil component spring 21 is the thickness of disk 32; The upper end of first coil component spring 16 is connected with piston 18 lower surfaces, being connected bottom of the cylndrical surface of the lower end of first coil component spring 16 and circular shaft 8; So just can guarantee the line of action of making a concerted effort and the dead in line of circular shaft 8 of the active force of 21 pairs of pistons 18 of second spring; The line of action of making a concerted effort of the active force of 16 pairs of pistons 18 of first spring and the dead in line of circular shaft 8; Two ends have axis and the dead in line of disc flange 1 of the cylinder 25 of disc flange, and the quantity that two ends have the 3rd bolt hole 24 on second bolt hole 23 and the disc flange 1 on the lower end disc flange 22 of cylinder 25 of disc flange is identical, and the position is identical; The 3rd bolt 31 passes the 3rd bolt hole 24 and second bolt hole 23 cylinder 25 that two ends have disc flange is linked together with disc flange 1, and the upper surface of disc flange 1 and two ends have the lower end surface applying of lower end disc flange 22 of the cylinder 25 of disc flange; The 4th bolt hole 26 that two ends have on the upper end disc flange 27 of cylinder 25 of disc flange is uniformly distributed with on same circumference about the axis that two ends have the cylinder 25 of disc flange; The axis of the 3rd coil component spring 28 and two ends have the dead in line of the 4th bolt hole 26 on the upper end disc flange 27 of cylinder 25 of disc flange; The upper end of the 3rd coil component spring 28 is connected on the lower end surface of cylindrical body 29, and the lower end of the 3rd coil component spring 28 is connected on the upper surface of disk 32; The cylinder 25 that cylindrical body 29 is through in the through hole 30 with two ends have a disc flange is connected; The upper-end surface of upper end disc flange 27 that the upper-end surface of cylindrical body 29 and two ends have the cylinder 25 of disc flange flushes, and the lower end surface of upper end disc flange 27 that the lower end surface of cylindrical body 29 and two ends have the cylinder 25 of disc flange flushes.
This a kind of characteristic of not having leakage electromagnetic fluid damper also is to remove simultaneously second coil component spring 21 and first coil component spring 16, still obtains effective a kind of nothing and leaks the electromagnetic fluid damper.
This a kind of characteristic of not having leakage electromagnetic fluid damper also is to remove second coil component spring 21, still obtains effective a kind of nothing and leaks the electromagnetic fluid damper.
This a kind of characteristic of not having leakage electromagnetic fluid damper also is to remove first coil component spring 16, still obtains effective a kind of nothing and leaks the electromagnetic fluid damper.
This a kind of characteristic of not having leakage electromagnetic fluid damper also is to remove the 3rd coil component spring 28, still obtains effective a kind of nothing and leaks the electromagnetic fluid damper.
These each parts that do not have to leak damper remove electromagnet block 11 with the column permanent magnetic iron block 7, and other parts are all with non-ferromagnetic metal or alloy material (for example aluminum alloy, stainless steel etc.) manufacturing.The process of fluid damping implement body manufacturing can follow these steps to carry out:
The first step: according to the vibration control requirement, selected disc flange 1, cylindrical shape oil hydraulic cylinder 2, circular shaft 8; Piston 18, two ends have cylinder 25, the first coil component springs 16, the second coil component springs 21 of disc flange; The 3rd coil component spring 28, the size of cylindrical body 29, the first leads 41 and second lead 42; Selected silicone oil is as damp liquid 15; According to the vibration control requirement, selected first bolt, 3, the first quadrilateral briquettings, 4, the first unthreaded holes, 5, the first tapped holes 6; Column permanent magnetic iron block 7, the second quadrilateral briquettings 9, the second bolts 10, electromagnet block 11, the second tapped holes 12; Second unthreaded hole, 13, the first bolts hole 14, roundlet through hole 19, the second bolts hole 23; Second bolt hole, 24, the four bolts hole, 26, the three bolts, 31, the three unthreaded holes 39; The less quadrilateral groove 37 of upper width of quadrilateral groove 38, the two T shape quadrilateral grooves 36 that the lower width of the 2nd T shape quadrilateral groove 36, the two T shape quadrilateral grooves 36 is bigger, round tube hole 20; The less quadrilateral groove 35 of lower width of quadrilateral groove 34, the one T shape quadrilateral grooves 33 that the upper width of the one T shape quadrilateral groove 33, the one T shape quadrilateral grooves 33 is bigger, quantity, position and the size of through hole 30 and the 4th unthreaded hole 40.18 a T shape quadrilateral groove 33 positions, quantity are corresponding one by one in the 2nd T shape quadrilateral groove 36 in the disc flange 1 and the piston; Be that the 2nd T shape quadrilateral groove 36 in the disc flange 1 is identical with a T shape quadrilateral groove 33 quantity in the piston 18, one the 2nd T shape quadrilateral groove 36 with and only be distributed on the same ray perpendicular to disk 32 axis with one the one T shape quadrilateral groove 33.For example: after installing at damper; Piston 18 is positioned at the installation requirement of the centre of cylindrical shape oil hydraulic cylinder 2; After damper installs; Piston 18 is in the equilibrium of forces state under the acting in conjunction of power such as magnetic force, second coil component spring 21, first coil component spring 16 and gravity, confirmed the parameter of second coil component spring 21 and first coil component spring 16 by conventional Mechanics Calculation.Two ends have disc flange cylinder 25 height according to " with electromagnet block 11 divide equally for two-part plane up and down with column permanent magnetic iron block 7 is divided equally be two-part planes up and down " definite with " length of the 3rd coil component spring 28 is not less than the maximum vibration displacement of oscillating body " these two conditions; For example when vibration was simple harmonic oscillation, the height of cylindrical shape oil hydraulic cylinder 2 was not less than the twice of the maximum vibration displacement of oscillating body.
Second step: circular shaft 8 passes the round tube hole 20 of piston 18; One end of second coil component spring 21 is welded on piston 18 upper surfaces; The other end of second coil component spring 21 is welded on the top of the cylndrical surface of circular shaft 8, and the upper end of second coil component spring 21 is the thickness of disk 32 from the distance of the upper-end surface of circular shaft 8; The upper end of first coil component spring 16 is welded on piston 18 lower surfaces, and the cylndrical surface that the lower end of first coil component spring 16 is welded on circular shaft 8 bottom; All must guarantee the axis of circular shaft 8, the axis of piston 18, the axis of second coil component spring 21 and the dead in line of first coil component spring 16 before and after the welding.
The 3rd step: column permanent magnetic iron block 7 is placed in the less quadrilateral groove 35 of the lower width of a T shape quadrilateral groove 33 of piston 18, the magnetic pole of column permanent magnetic iron block 7 points to the axial direction and the axial direction that points to away from piston 18 of piston 18 respectively; The lower surface of the lower surface of column permanent magnetic iron block 7 and a T shape quadrilateral groove 33 is fitted, i.e. the lower surface applying of the less quadrilateral groove 35 of the lower width of the lower surface of column permanent magnetic iron block 7 and a T shape quadrilateral groove 33; The first quadrilateral briquetting 4 is placed in the bigger quadrilateral groove 34 of the upper width of a T shape quadrilateral groove 33; The upper surface of the lower surface of the first quadrilateral briquetting 4 and column permanent magnetic iron block 7 is fitted, the flush of the upper surface of the first quadrilateral briquetting 4 and piston 18; Dead in line with first tapped hole 6 of a T shape quadrilateral groove 33 of the axis of first unthreaded hole 5 on the first quadrilateral briquetting 4 and piston 18; The threaded end of first bolt 3 is passed first unthreaded hole 5 be screwed into first tapped hole 6 and tighten, when first bolt 3 was tightened, first bolt 3 compressed the first quadrilateral briquetting 4.
The 4th step: the lower end surface of circular shaft 8 is welded on the upper surface of bottom disc flange 17, all must guarantees the dead in line of the axis and the circular shaft 8 of bottom disc flange 17 before and after the welding.
The 5th step: cylindrical shape oil hydraulic cylinder 2 is enclosed within outside the piston 18, and the upper surface welding of the lower end surface of cylindrical shape oil hydraulic cylinder 2 and bottom disc flange 17 all must guarantee the dead in line of the axis and the cylindrical shape oil hydraulic cylinder 2 of bottom disc flange 17 before and after the welding.
The 6th step: the circle centre position at disk 32 bores circular hole a, and the diameter of circular hole a is a bit larger tham the diameter (getting concrete numerical value by conventional welding conditions) of circular shaft 8, the dead in line of the axis of circular hole a and disk 32; Axis symmetry about disk 32 is bored small sircle hole b and small sircle hole c on disk 32 again; Half of small sircle hole b and small sircle hole c axis separately equal cylindrical shape oil hydraulic cylinder 2 from the distance of the axis of disk 32 inside radius and the radius sum of circular hole a, the radius of small sircle hole b and small sircle hole c deduct less than the inside radius of cylindrical shape oil hydraulic cylinder 2 circular hole a radius numerical value 1/2nd.
The 7th step: then the 6th step was inserted in the top of circular shaft 8 and bore among the circular hole a, the lower surface of disk 32 is placed on the upper-end surface of cylindrical shape oil hydraulic cylinder 2.The upper-end surface of cylindrical shape oil hydraulic cylinder 2 is welded on the lower surface of disk 32; Again with the upper-end surface of circular shaft 8 and disk 32 the 6th the step institute circular hole a place of boring weld, weld front and back and all must guarantee the axis of cylindrical shape oil hydraulic cylinder 2, the axis of disk 32, the dead in line of circular shaft 8.
The 8th step: use funnel that silicone oil is filled with cylindrical shape oil hydraulic cylinder 2 as damp liquid by the 6th step small sircle hole b that bores earlier; After observing damp liquid and filled with cylindrical shape oil hydraulic cylinder 2 through small sircle hole b and small sircle hole c, the 6th step small sircle hole b that bores of institute and small sircle hole c are welded block again.
The 9th step: electromagnet block 11 is placed in the less quadrilateral groove 37 of the upper width of the 2nd T shape quadrilateral groove 36 of disc flange 1; The magnetic pole of electromagnet block 11 points to the axial direction and the axial direction that points to away from disc flange 1 of disc flange 1 respectively; The upper surface of the upper surface of electromagnet block 11 and the 2nd T shape quadrilateral groove 36 is fitted, i.e. the upper surface applying of the less quadrilateral groove 37 of the upper width of the upper surface of electromagnet block 11 and the 2nd T shape quadrilateral groove 36; First lead 41 and second lead 42 are passed the 4th unthreaded hole 40 link to each other with the both positive and negative polarity of external power supply respectively, energising back electromagnet block 11 is opposite near the magnetic polarity of cylindrical shape oil hydraulic cylinder 2 one ends near the magnetic polarity and the column permanent magnetic iron block 7 of cylindrical shape oil hydraulic cylinder 2 one ends; The second quadrilateral briquetting 9 is placed in the bigger quadrilateral groove 38 of the lower width of the 2nd T shape quadrilateral groove 36; The lower surface of the upper surface of the second quadrilateral briquetting 9 and electromagnet block 11 is fitted, and the lower surface of the second quadrilateral briquetting 9 flushes with the lower surface of disc flange 1; Axial alignment (coincidence) with axis with second tapped hole 12 of the 2nd T shape quadrilateral groove 36 of disc flange 1 of second unthreaded hole 13 on the second quadrilateral briquetting 9; The threaded end of second bolt 10 is passed second unthreaded hole 13 be screwed into second tapped hole 12 and tighten, when second bolt 10 was tightened, second bolt 10 compressed the second quadrilateral briquetting 9.
The tenth step: the lower end of the 3rd coil component spring 28 is welded on the upper surface of disk 32, the upper end of the 3rd coil component spring 28 is welded on the lower surface of this cylindrical body 29.The dead in line of the axis of the axis of the 3rd coil component spring 28, cylindrical shape oil hydraulic cylinder and cylindrical body 29.
The 11 step: cylindrical shape oil hydraulic cylinder 2 is passed the 3rd unthreaded hole 39, be about to disc flange 1 and be enclosed within outside the cylindrical shape oil hydraulic cylinder 2.
The 12 step: cylindrical shape oil hydraulic cylinder 2 is inserted in the cylinder 25 that two ends have disc flange; Guarantee that simultaneously cylindrical body 29 is enclosed within the through hole 30; Cylindrical body 29 and two ends are had upper end disc flange 27 welding of the cylinder 25 of disc flange; The upper-end surface of upper end disc flange 27 that the upper-end surface that welding requirements guarantees cylindrical body 29 and two ends have the cylinder 25 of disc flange flushes, and the lower end surface of upper end disc flange 27 that the lower end surface of cylindrical body 29 and two ends have the cylinder 25 of disc flange flushes.
The 13 step: pass the 3rd bolt hole 24 and second bolt hole 23 with the 3rd bolt 31, the lower end disc flange 22 that disc flange 1 and two ends is had the cylinder 25 of disc flange is connected.
In aforementioned process, only remove second coil component spring 21 and first coil component spring 16 simultaneously, still obtain effective a kind of nothing and leak the electromagnetic fluid damper; Similarly, in aforementioned process, only remove second coil component spring 21, still obtain effective a kind of nothing and leak the electromagnetic fluid damper; Equally, in aforementioned process, only be to remove first coil component spring 16, still obtain effective a kind of nothing and leak the electromagnetic fluid damper.
So far just can realize the present invention.
Claims (7)
1. one kind is not had the electromagnetic fluid of leakage damper; It is characterized in that this damper comprises: disk (32), the bottom disc flange (17) that is oppositely arranged with disk (32), disk (32) and bottom disc flange (17) do not had the cylinder (25) that the two ends of leaking the oil hydraulic cylinder (2) that is connected, first disc flange (1) that is provided with the 3rd unthreaded hole (39), having opening have disc flange; There is upper end disc flange (27) upper end that two ends have the cylinder (25) of disc flange, and there is lower end disc flange (22) lower end that two ends have the cylinder (25) of disc flange;
Bottom disc flange (17); Disk (32) and oil hydraulic cylinder (2) are formed closed no leakage space; Damp liquid (15) is full of this closed no leakage space; This closed no leakage space part be positioned at the cylinder (25) that two ends have disc flange; The lower end disc flange (22) that two ends have the cylinder (25) of disc flange links to each other with disc flange (1), and oil hydraulic cylinder (2) passes the 3rd unthreaded hole (39) of disc flange (1), disc flange (1) built-in electromagnetic iron block (11);
This damper also comprises along the piston (18) of oil hydraulic cylinder (2) axial motion, circular shaft (8) and permanent magnetic iron block (7); This piston (18) is positioned at the middle part of oil hydraulic cylinder (2); Piston (18) circle centre position is provided with round tube hole (20); Circular shaft (8) passes round tube hole (20); The lower end surface of circular shaft (8) does not have leakage with bottom disc flange (17) and is connected, and the upper-end surface of circular shaft (8) flushes with the upper-end surface of disk (32) and do not have to leak and is connected, and has little round tube hole (19) on the piston (18); When the line of action of making a concerted effort of damp liquid (15) suffered damping force of piston (18) during through little round tube hole (19) and the dead in line of circular shaft 8, permanent magnetic iron block (7) is arranged on piston (18) inside.
2. a kind of nothing according to claim 1 is leaked the electromagnetic fluid damper, and it is characterized in that: two ends have the axis of the cylinder (25) of disc flange, the axis of disc flange (1), the axis of oil hydraulic cylinder (2), the axis of bottom disc flange (17), the axis of circular shaft (8), the axis of piston (18), the dead in line of round tube hole (20).
3. a kind of nothing according to claim 1 is leaked the electromagnetic fluid damper, it is characterized in that: electromagnet block (11) attracts each other through magnetic force with permanent magnetic iron block (7), and the component of making a concerted effort in the horizontal direction of the suffered magnetic force of all permanent magnetic iron blocks (7) is zero; Can reach the direction and strong and weak purpose that change the electromagnetic field that electromagnet block (11) produced through the size and Orientation of electric current of adjustment electromagnet block (11); And then the size and Orientation of the suffered magnetic force of active adjustment permanent magnetic iron block (7), reach the purpose of Active Vibration Control.
4. a kind of nothing according to claim 1 is leaked the electromagnetic fluid damper, and it is characterized in that: circular shaft (8), its epimere are provided with second spring (21), obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the lower end of second spring (21) is connected with piston (18) upper surface; The upper end of second spring (21) is connected with the top of circular shaft (8), and second spring (21) is to the dead in line of the line of action of making a concerted effort and the circular shaft (8) of the active force of piston (18).
5. a kind of nothing according to claim 1 is leaked the electromagnetic fluid damper, and it is characterized in that: the hypomere of said circular shaft (8) is provided with first spring (16), obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the upper end of first spring (16) is connected with piston (18) lower surface; The lower end of first spring (16) is connected with circular shaft (8) bottom, and first spring (16) is to the dead in line of the line of action of making a concerted effort and the circular shaft (8) of the active force of piston (18).
6. leak the electromagnetic fluid damper according to claim 4 or 5 described a kind of nothings, it is characterized in that: said circular shaft (8) is provided with second spring (21), first spring (16), obtains a kind of another kind of style of leaking the electromagnetic fluid damper of not having; Wherein: the lower end of second spring (21) is connected with piston (18) upper surface, and the upper end of second spring (21) is connected with the top of circular shaft (8); The upper end of first spring (16) is connected with the lower surface of piston (18), and the lower end of first spring (16) is connected with circular shaft (8) bottom; This second spring (21) is to the dead in line of the line of action of making a concerted effort and the circular shaft (8) of the active force of piston (18); First spring (16) is to the dead in line of the line of action of making a concerted effort and the circular shaft (8) of the active force of piston (18).
7. a kind of nothing according to claim 6 is leaked the electromagnetic fluid damper; It is characterized in that: described upper end disc flange (27) and lower end are connected and are provided with the 3rd spring (28) between the disk (32), obtain a kind of another kind of style of leaking the electromagnetic fluid damper of not having; The upper end of the 3rd spring (28) is connected two ends and has on the lower end surface of upper end disc flange (27) of cylinder (25) of disc flange, and the lower end of the 3rd spring (28) is connected on the upper surface of disk (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037755XA CN102588498A (en) | 2012-02-20 | 2012-02-20 | No-leakage electromagnetic fluid body damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037755XA CN102588498A (en) | 2012-02-20 | 2012-02-20 | No-leakage electromagnetic fluid body damper |
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| Publication Number | Publication Date |
|---|---|
| CN102588498A true CN102588498A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210037755XA Pending CN102588498A (en) | 2012-02-20 | 2012-02-20 | No-leakage electromagnetic fluid body damper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443395A (en) * | 2018-05-15 | 2018-08-24 | 山东科技大学 | A kind of parallel buffer of double rods and its application |
| CN114633859A (en) * | 2022-03-23 | 2022-06-17 | 威海海洋职业学院 | Rope throwing gun for ship lifesaving and fire fighting |
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| US20050258009A1 (en) * | 2004-05-19 | 2005-11-24 | Bauerfeind Ag | Controllable motion damper |
| CN1952430A (en) * | 2005-10-20 | 2007-04-25 | 中国科学技术大学 | Active shock absorption system for magnetorheological elastomer and control method therefor |
| CN102102732A (en) * | 2011-03-21 | 2011-06-22 | 东南大学 | Leakage-free fluid damper |
| CN202560921U (en) * | 2012-02-20 | 2012-11-28 | 东南大学 | Leak-free electromagnetic fluid damper |
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|---|---|---|---|---|
| JPS596446A (en) * | 1982-07-02 | 1984-01-13 | Showa Mfg Co Ltd | Device for regulating damping-force in hydraulic buffer |
| US20050258009A1 (en) * | 2004-05-19 | 2005-11-24 | Bauerfeind Ag | Controllable motion damper |
| CN1952430A (en) * | 2005-10-20 | 2007-04-25 | 中国科学技术大学 | Active shock absorption system for magnetorheological elastomer and control method therefor |
| CN102102732A (en) * | 2011-03-21 | 2011-06-22 | 东南大学 | Leakage-free fluid damper |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108443395A (en) * | 2018-05-15 | 2018-08-24 | 山东科技大学 | A kind of parallel buffer of double rods and its application |
| CN108443395B (en) * | 2018-05-15 | 2024-03-19 | 山东科技大学 | Double-output-rod parallel buffer and application thereof |
| CN114633859A (en) * | 2022-03-23 | 2022-06-17 | 威海海洋职业学院 | Rope throwing gun for ship lifesaving and fire fighting |
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Application publication date: 20120718 |