CN102102732A - Leakage-free fluid damper - Google Patents
Leakage-free fluid damper Download PDFInfo
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- CN102102732A CN102102732A CN 201110067699 CN201110067699A CN102102732A CN 102102732 A CN102102732 A CN 102102732A CN 201110067699 CN201110067699 CN 201110067699 CN 201110067699 A CN201110067699 A CN 201110067699A CN 102102732 A CN102102732 A CN 102102732A
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Abstract
The invention relates to a leakage-free fluid damper, which comprises a disc, a bottom disc flange which is arranged opposite to the disc, a hydraulic cylinder for making the circular disc and the bottom circular disc flange in leakage-free connection, a disc flange provided with a fifth aperture, and a cylinder with disc flanges at two open ends, wherein the upper end of the cylinder with the disc flanges at the two ends is provided with an upper end disc flange; and the lower end of the cylinder with the disc flange at the two ends is provided with a lower end disc flange. A piston in the damper is dragged to move by magnetic force; when the piston moves, the damping fluid flows through a small round through hole on the piston; and the energy is consumed when the damping fluid flows through the small round through hole on the piston, and an effect of controlling vibration is achieved. Therefore, a sealing piece is not used, and the damping fluid hardly leaks from the damper.
Description
Technical field
The present invention proposes a kind of " no leak 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 by proposing " no leak 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: a kind of no leak fluid damper, this no leak fluid 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, the disc flange that is provided with the 5th 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 5th unthreaded hole of disc flange, built-in first permanent magnetic iron block of disc flange;
This no leak fluid damper also comprises piston, circular shaft and second permanent magnetic iron block along the oil hydraulic cylinder axial motion, this piston is positioned at the middle part of oil hydraulic cylinder, the piston circle centre position is provided with round tube hole, circular shaft passes round tube hole, the circular shaft lower end surface 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 by the roundlet through hole and the dead in line of circular shaft, second permanent magnetic iron block is arranged on internal piston.
Preferably, two ends have the axis of the cylinder of disc flange, the axis of disc flange, the axis of disk, the axis of oil hydraulic cylinder, the axis of circular shaft, the axis of bottom disc flange, the axis of piston and the dead in line of round tube hole.
Preferably, described first permanent magnetic iron block and second permanent magnetic iron block attract each other by magnetic force, and the component of making a concerted effort in the horizontal direction of the suffered magnetic force of all second permanent magnetic iron blocks is zero.
Preferably, in this no leak fluid damper, add first spring, wherein: the lower end of first spring is connected with piston upper surface, and the upper end of first spring is connected with the top of circular shaft, 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.
Preferably, in this no leak fluid damper, add second spring, wherein: the upper end of second spring is connected with the piston lower surface, and the lower end of second spring is connected bottom with 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.
Preferably, add first spring and second spring in this no leak fluid damper, wherein: the lower end of first spring is connected with piston upper surface, and the upper end of first spring is connected with the top of circular shaft; The upper end of second spring is connected with the lower surface of piston, and the lower end of second spring is connected bottom with circular shaft; This 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; 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.
Preferably, also comprise the 3rd spring in this no leak fluid damper, the upper end of the 3rd spring is connected 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.
Beneficial effect: 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, when piston motion, damp liquid flows through the small sircle hole on the piston, damp liquid consumes energy when flowing through 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.The distance of first permanent magnetic iron block and second permanent magnetic iron block can be very near, is not subjected to the influence of vibration displacement, presses the electromagnetism principle, and magnetic force is bigger, thereby bigger damping force can be provided.
Description of drawings
Fig. 1 be no leak fluid damper face the sectional structure schematic representation;
Fig. 2 be the disc flange 1 when first permanent magnet is the ring permanent magnet among Fig. 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 is the structural representation when a T shape annular groove 30 is put by Fig. 1 direction among Fig. 3;
Fig. 5 is the worm's eye view of disc flange 1 among Fig. 1;
Fig. 6 is the plan view of piston 18 among Fig. 1;
Fig. 7 is that the A-A of piston 18 among Fig. 6 is to the sectional structure schematic representation;
Fig. 8 is the structural representation of the 2nd T shape annular groove 31 among Fig. 7;
Fig. 9 be replace among Fig. 1 the ring permanent magnet be the disc flange 1 of column permanent magnetic iron block and be installed in parts on the disc flange 1 face the sectional structure schematic representation;
Figure 10 be among Fig. 9 disc flange 1 face the sectional structure schematic representation;
Figure 11 is the worm's eye view of the disc flange 1 among Fig. 9;
Figure 12 is that the B-B of the disc flange 1 among Figure 11 is to the sectional structure schematic representation;
Figure 13 is the worm's eye view of the first quadrilateral briquetting 40 among Fig. 9;
Figure 14 be replace to replace among Fig. 1 the ring permanent magnet be the piston 18 of column permanent magnetic iron block and be installed in parts on the piston 18 face the sectional structure schematic representation;
Figure 15 is the plan view of the piston 18 among Figure 14;
Figure 16 is that the C-C of piston 18 among Figure 15 is to the sectional structure schematic representation;
Figure 17 is that the D-D of piston 18 among Figure 15 is to the sectional structure schematic representation;
Figure 18 is the worm's eye view of the second quadrilateral briquetting 50 among Figure 14;
Have among the above figure: disc flange 1, first bolt hole 2, first bolt 3, first unthreaded hole 4, the first ring briquetting 5, second unthreaded hole 6, first tapped hole 7, circular shaft 8, first coil component spring 9, second bolt 10, the first ring permanent magnetic iron block 11, second tapped hole 12, disk 13, cylindrical shape oil hydraulic cylinder 14, damp liquid 15, the second ring briquetting 16, the 3rd bolt 17, piston 18, the 3rd unthreaded hole 19, the 3rd tapped hole 20, the second ring permanent magnetic iron block 21, the 4th tapped hole 22, second bolt hole 23, bottom disc flange 24, second coil component spring 25, the 4th unthreaded hole 26, roundlet through hole 27, the four bolts 28, round tube hole 29, the bigger annular groove 32 of lower width of the one T shape annular groove 30, the two T shape annular grooves 31, the one T shape annular grooves 30, the annular groove 33 that the upper width of the one T shape annular groove 30 is less, annular groove 35, the five unthreaded holes 36 that the lower width of annular groove 34, the two T shape annular grooves 31 that the upper width of the 2nd T shape annular groove 31 is bigger is less, two ends have the upper end disc flange 37 of the cylinder 52 of disc flange, two ends have lower end disc flange 38, the five bolts 39, the first quadrilateral briquettings 40 of the cylinder 52 of disc flange, the first column permanent magnetic iron block 41, first permanent magnetic iron block, 42, the one T shape quadrilateral grooves, 43, the five tapped holes 44, the bigger quadrilateral groove 45 of lower width of the one T shape quadrilateral groove 43, quadrilateral groove 46, the six unthreaded holes 47, the second permanent magnetic iron blocks 48 that the upper width of the one T shape quadrilateral groove 43 is less, the 6th bolt 49, the second quadrilateral briquetting, 50, the three bolts hole 51, two ends have the cylinder 52 of disc flange, the second column permanent magnetic iron block 53, the less quadrilateral groove 56 of lower width of quadrilateral groove 55, the two T shape quadrilateral grooves 54 that the upper width of the 2nd T shape quadrilateral groove 54, the two T shape quadrilateral grooves 54 is bigger, the 7th unthreaded hole 57, cylindrical body 58, through hole 59 the 4th bolt hole 60, the three coil component springs 61, the 7th bolt 62, the six tapped holes 63.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
The present invention proposes a kind of no leak fluid damper, utilize the piston motion in the magnetic force promotion damper, when piston motion, damp liquid flows through the small sircle hole (damping hole) on the piston, the effect of control vibration is played in power consumption when damp liquid flows through small sircle hole (damping hole) on the piston.
The following explanation of embodiments of the invention in fact only is exemplary, and purpose never is to limit application of the present invention or use.
The present invention does not have the leak fluid damper and utilizes the piston motion in the contactless promotion damper of magnetic force to consume energy, and plays the effect of control vibration.
No leakage current variant damper comprises: the bottom disc flange 24 that comprises disk 13, is oppositely arranged with disk 13, disk 13 and bottom disc flange 24 do not had the cylinder 52 that the two ends of leaking the oil hydraulic cylinder 14 that is connected, having opening have disc flange, the disc flange 1 that is provided with the 5th unthreaded hole 36, there is upper end disc flange 37 upper end that two ends have the cylinder 52 of disc flange, and there is lower end disc flange 38 lower end that two ends have the cylinder 52 of disc flange; Bottom disc flange 24, disk 13 and oil hydraulic cylinder 14 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 52 that two ends have disc flange, the lower end disc flange 38 that two ends have the cylinder 52 of disc flange links to each other with disc flange 1, oil hydraulic cylinder 14 passes the 5th unthreaded hole 36 of disc flange 1, disc flange 1 built-in holistic first permanent magnetic iron block 42;
This no leak fluid damper also comprises piston 18, circular shaft 8 and second permanent magnetic iron block 48, this piston 18 is positioned at the middle part of oil hydraulic cylinder 14, piston 18 middle parts are provided with round tube hole 29, circular shaft 8 passes round tube hole 29, circular shaft 8 lower end surfaces do not have leakage with bottom disc flange 24 and are connected, the upper-end surface of circular shaft 8 flushes with the upper-end surface of disk 13 and does not have to leak and is connected, have roundlet through hole 27 on the piston 18, when the line of action of making a concerted effort of damp liquid piston 18 suffered damping forces during and the dead in line of circular shaft 8 by roundlet through hole 27; Second permanent magnetic iron block 48 is arranged on piston 18 inside, and first permanent magnetic iron block 42 and second permanent magnetic iron block 48 attract each other by magnetic force, and the component of making a concerted effort in the horizontal direction of all second permanent magnetic iron block, 48 suffered magnetic force is zero;
Two ends have the axis of the cylinder 52 of disc flange, the axis of disc flange 1, the axis of circular shaft 8, the axis of piston 18, the axis of bottom disc flange 24, the axis of disk 13, the axis of round tube hole 29 and the dead in line of oil hydraulic cylinder 14.
In above-mentioned no leakage current variant damper, add first spring 9, obtain not having the another kind of style of leak fluid damper; Wherein: the lower end of first spring 9 is connected with the upper surface of piston 18, and the upper end of first spring 9 is connected with the top of circular shaft 8, the line of action of making a concerted effort of the active force of 9 pairs of pistons 18 of first spring and the dead in line of circular shaft 8.
In above-mentioned no leakage current variant damper, add second spring 25, obtain not having the another kind of style of leak fluid damper; Wherein: the upper end of second spring 25 is connected with piston 18 lower surfaces, and the lower end of second spring 25 is connected bottom with circular shaft 8; The line of action of making a concerted effort of the active force of 25 pairs of pistons 18 of second spring and the dead in line of circular shaft 8.
In above-mentioned no leakage current variant damper, add first spring 9, second spring 25, obtain not having the another kind of style of leak fluid damper; Wherein: the lower end of first spring 9 is connected with piston 18 upper surfaces, and the upper end of first spring 9 is connected with the top of circular shaft 8; The upper end of second spring 25 is connected with piston 18 lower surfaces, and the lower end of second spring 25 is connected bottom with circular shaft 8; The line of action of making a concerted effort of the active force of 9 pairs of pistons 18 of first spring and the dead in line of circular shaft 8; The line of action of making a concerted effort of the active force of 25 pairs of pistons 18 of second spring and the dead in line of circular shaft 8.
In above-mentioned various forms of no leakage current variant dampers, add the 3rd spring 61, obtain not having the another kind of style of leak fluid damper; The upper end of the 3rd spring 61 is connected two ends and has on the lower end surface of upper end disc flange 37 of cylinder 52 of disc flange, and the lower end of the 3rd spring 61 is connected on the upper surface of disk 13;
During use, the upper end disc flange 37 that two ends have the cylinder 52 of disc flange is fixed on the oscillating body (or static basis), the upper surface of upper end disc flange 37 that two ends have the cylinder 52 of disc flange contacts with oscillating body (or static basis), bottom disc flange 24 is fixed on the static basis (or oscillating body), and two ends have the distance of upper surface of the lower surface of upper end disc flange 37 of cylinder 52 of disc flange and disk 13 greater than the maximum vibration displacement of oscillating body with respect to the basis; Two ends have the axis of the cylinder 52 of disc flange, the axis of bottom disc flange 24, the axis of oil hydraulic cylinder 14, the axis of disk 13, the axis of circular shaft 8, the axis of piston 18, the axis of disc flange 1, the axis of coil component spring 9 and the dead in line of coil component spring 25.Because the permanent magnetic iron block in the piston 18 is with the magnetic attraction effect between the permanent magnetic iron block in the disc flange 1, when oscillating body is static, piston 18 is in the static balance state under the acting in conjunction of gravity, magnetic force, coil component spring 9 and coil component spring 25 etc., when oscillating body vibrates, disc flange 1 will draw piston 18 and move along circular shaft, during piston 18 motions, damp liquid 15 flows through the roundlet through hole 27 on the piston 18, and damp liquid 15 flows through the roundlet through hole 27 dissipative structure vibrational energies on the piston 18.
This no leak fluid damper is characterised in that: all springs are all got the coil component spring form, first permanent magnetic iron block 42 gets the first ring permanent magnetic iron block 11 respectively and the first column permanent magnet 41 is example, second permanent magnetic iron block 48 gets the first ring permanent magnetic iron block 21 respectively and the first column permanent magnet 53 is example, the upper surface of piston 18 has the 2nd T shape annular groove 31, the axis of the 2nd T shape annular groove 31 and the dead in line of piston 18, the 2nd T shape annular groove 31 is made up of the less annular groove 35 of the lower width of the 2nd T shape annular groove 31 and the bigger annular groove 34 of upper width of the 2nd T shape annular groove 31; The shape of the annular groove 35 that the shape of the second ring permanent magnetic iron block 21 and the lower width of the 2nd T shape annular groove 31 are less is identical, the annular groove 35 that the lower width of the size of the second ring permanent magnetic iron block 21 and the 2nd T shape annular groove 31 is less measure-alike; The second ring permanent magnetic iron block 21 places in the less annular groove 35 of the lower width of the 2nd T shape annular groove 31, the lower surface of the lower surface of the second ring permanent magnetic iron block 21 and the 2nd T shape annular groove 31 is fitted, i.e. the lower surface applying of the less annular groove 35 of the lower width of the lower surface of the second ring permanent magnetic iron block 21 and the 2nd T shape annular groove 31; The magnetic pole of the second ring permanent magnetic iron block 21 is at inside and outside two anchor rings; The shape of the annular groove 34 that the shape of the second ring briquetting 16 and the upper width of the 2nd T shape annular groove 31 are bigger is identical, the annular groove 34 that the upper width of the size of the second ring briquetting 16 and the 2nd T shape annular groove 31 is bigger measure-alike; The 4th tapped hole 22 is uniform along the inboard base ring face of the bigger annular groove 34 of the upper width of the 2nd T shape annular groove 31, and the 3rd tapped hole 20 is uniform along the outside base ring face of the bigger annular groove 34 of the upper width of the 2nd T shape annular groove 31; In the inboard of the second ring briquetting 16 about uniform the 4th unthreaded hole 26 in the center of circle of the second ring briquetting 16, in the outside of the second ring briquetting 16 about uniform the 3rd unthreaded hole 19 in the center of circle of the second ring briquetting 16; The second ring briquetting 16 places in the bigger annular groove 34 of the upper width of the 2nd T shape annular groove 31, the upper surface of the lower surface of the second ring briquetting 16 and the second ring permanent magnetic iron block 21 is fitted, the upper surface flush of the upper surface of the second ring briquetting 16 and piston 18; The quantity of the 4th unthreaded hole 26 on the second ring briquetting 16 is identical with the quantity of the 4th tapped hole 22 of the 2nd T shape annular groove 31 of piston 18, the dead in line of the 4th tapped hole 22 of the 2nd T shape annular groove 31 of the axis of the 4th unthreaded hole 26 on the second ring briquetting 16 and piston 18, the quantity of the 3rd unthreaded hole 19 on the second ring briquetting 16 is identical with the quantity of the 3rd tapped hole 20 of the 2nd T shape annular groove 31 of piston 18, the dead in line of the 3rd tapped hole 20 of the 2nd T shape annular groove 31 of the axis of the 3rd unthreaded hole 19 on the second ring briquetting 16 and piston 18; The threaded end of the 3rd bolt 17 is passed the 3rd unthreaded hole 19 and is screwed into the 3rd tapped hole 20, the threaded end of the 4th bolt 28 is passed the 4th unthreaded hole 26 and is screwed into the 4th tapped hole 22, when the 3rd bolt 17 and the 4th bolt 28 were tightened, the 3rd bolt 17 and the 4th bolt 28 compressed the second ring briquetting 16; Roundlet through hole 27 is uniform along a circumference on the piston 18, roundlet through hole 27 must not be overlapping with the 2nd T shape annular groove 31, and the roundlet through hole of such layout 27 just can guarantee when the line of action of making a concerted effort of damp liquid piston 18 suffered damping forces during by roundlet through hole 27 and the dead in line of Hollow Cylindrical Shaft 8; The lower surface of disc flange 1 has a T shape annular groove 30, the axis of the one T shape annular groove 30 and the dead in line of disc flange 1, a T shape annular groove 30 is made up of the less annular groove 33 of the upper width of a T shape annular groove 30 and the bigger annular groove 32 of lower width of a T shape annular groove 30; The shape of the annular groove 33 that the shape of the first ring permanent magnetic iron block 11 and the upper width of a T shape annular groove 30 are less is identical, the annular groove 33 that the upper width of the size of the first ring permanent magnetic iron block 11 and a T shape annular groove 30 is less measure-alike; The first ring permanent magnetic iron block 11 places in the less annular groove 33 of the upper width of a T shape annular groove 30, the upper surface of the upper surface of the first ring permanent magnetic iron block 11 and a T shape annular groove 30 is fitted, i.e. the upper surface applying of the less annular groove 33 of the upper width of the upper surface of the first ring permanent magnetic iron block 11 and a T shape annular groove 30; The magnetic pole of the first ring permanent magnetic iron block 11 is at inside and outside two anchor rings, and the magnetic polarity of the outer ring surface of the magnetic polarity of the inner ring surface of the first ring permanent magnetic iron block 11 and the second ring permanent magnetic iron block 21 is heterosexual relations; The shape of the annular groove 32 that the shape of the first ring briquetting 5 and the lower width of a T shape annular groove 30 are bigger is identical, the annular groove 32 that the lower width of the size of the first ring briquetting 5 and a T shape annular groove 30 is bigger measure-alike; First tapped hole 7 is uniform along the inboard base ring face of the bigger annular groove 32 of the lower width of a T shape annular groove 30, and second tapped hole 12 is uniform along the outside base ring face of the bigger annular groove 32 of the lower width of a T shape annular groove 30; At inboard uniform second unthreaded hole 6 of the end face of the first ring briquetting 5, at uniform first unthreaded hole 4 in the end face outside of the first ring briquetting 5; The first ring briquetting 5 places in the bigger annular groove 32 of the lower width of a T shape annular groove 30, the lower surface of the upper surface of the first ring briquetting 5 and the first ring permanent magnetic iron block 11 is fitted, and the lower surface of the first ring briquetting 5 flushes with the lower surface of disc flange 1; The quantity of first unthreaded hole 4 on the first ring briquetting 5 is identical with the quantity of second tapped hole 12 of a T shape annular groove 30 of disc flange 1, the dead in line of second tapped hole 12 of the one T shape annular groove 30 of the axis of first unthreaded hole 4 on the first ring briquetting 5 and disc flange 1, the quantity of second unthreaded hole 6 is identical with the quantity of first tapped hole 7 of a T shape annular groove 30 of disc flange 1 on the first ring briquetting 5, the dead in line of first tapped hole 7 of a T shape annular groove 30 of the axis of second unthreaded hole 6 and disc flange 1 on the first ring briquetting 5; The threaded end of first bolt 3 is passed first unthreaded hole 4 and is screwed into second tapped hole 12, the threaded end of second bolt 10 is passed second unthreaded hole 6 and is screwed into first tapped hole 7, when first bolt 3 and second bolt 10 were tightened, first bolt 3 and second bolt 10 compressed the first ring briquetting 5; First bolt hole 2 is uniform along a circumference of disc flange 1, and first bolt hole 2 must not be overlapping with a T shape annular groove 30, and first bolt hole 2 is distributed in beyond the T shape annular groove 30; The first ring permanent magnetic iron block 11 and the second ring permanent magnetic iron block 21 be because of magnetic force attracts each other, and the first ring permanent magnetic iron block 11 divided equally for the plane of two annulus up and down be the planes overlapping of two annulus up and down with the second ring permanent magnetic iron block 21 is divided equally; Cylindrical shape oil hydraulic cylinder 14 passes the 5th unthreaded hole 36 of disc flange 1, the axis of disc flange 1, the axis of bottom disc flange 24, the axis of cylindrical shape oil hydraulic cylinder 14, the axis of disk 13, the axis of circular shaft 8, the axis of piston 18, the dead in line of the axis of first coil component spring 9 and second coil component spring 25, the upper surface of bottom disc flange 24 does not have leakage with the lower end surface of cylindrical shape oil hydraulic cylinder 14 and is connected, disk 13 does not have leakage with the upper-end surface of cylindrical shape oil hydraulic cylinder 14 and is connected, circular shaft 8 lower end surfaces do not have leakage with bottom disc flange 24 and are connected, the upper-end surface of circular shaft 8 flushes with the upper-end surface of disk 13 and does not have to leak and is connected bottom disc flange 24 and cylindrical shape oil hydraulic cylinder 14, disk 13 and circular shaft 8 seal out a closed no leakage space that is full of damp liquid 15; Second bolt hole 23 is uniform along a circumference on the bottom disc flange 24, and second bolt hole 23 is distributed in cylindrical shape oil hydraulic cylinder 14 outsides; Circular shaft 8 passes piston 18, first coil component spring 9 and second coil component spring 25; Piston 18 is positioned at cylindrical shape oil hydraulic cylinder 14 middle parts; The lower end of first coil component spring 9 is connected with piston 18 upper surfaces, and the upper end of first coil component spring 9 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 first coil component spring 9 is the thickness of disk 13; The upper end of second coil component spring 25 is connected with piston 18 lower surfaces, being connected bottom of the cylndrical surface of the lower end of second coil component spring 25 and circular shaft 8; So just can guarantee the line of action of making a concerted effort of active force of 9 pairs of pistons 18 of first spring and the dead in line of circular shaft 8; The line of action of making a concerted effort of the active force of 25 pairs of pistons 18 of second spring and the dead in line of circular shaft 8; Two ends have the axis of cylinder 52 of disc flange and the dead in line of disc flange 1, and the quantity that two ends have first bolt hole 2 on the 3rd bolt hole 51 and the disc flange 1 on the lower end disc flange 38 of cylinder 52 of disc flange is identical, and the position is identical; The 7th bolt 62 passes first bolt hole 2 and the 3rd bolt hole 51 links together cylinder 52 and the disc flange 1 that two ends have disc flange, and the upper surface of disc flange 1 and two ends have the lower end surface of lower end disc flange 38 of the cylinder 52 of disc flange and fit; Two ends have the 4th bolt hole 60 on the upper end disc flange 37 of cylinder 52 of disc flange, and have the axis of cylinder 52 of disc flange about two ends uniform on same circumference; The axis of the 3rd coil component spring 61 and two ends have the dead in line of the 4th bolt hole 60 on the upper end disc flange 37 of cylinder 52 of disc flange, the upper end of the 3rd coil component spring 61 is connected on the lower end surface of cylindrical body 58, and the lower end of the 3rd coil component spring 61 is connected on the upper surface of disk 13; The cylinder 52 that cylindrical body 58 is through in the through hole 59 with two ends have a disc flange is connected, the upper-end surface of cylindrical body 58 flushes with the upper-end surface that two ends have the cylinder 52 of disc flange, and the lower end surface of upper end disc flange 37 that the lower end surface of cylindrical body 58 and two ends have the cylinder 52 of disc flange flushes.
The feature of this no leak fluid damper also is with the 5th bolt 39, the first quadrilateral briquetting 40 and the first column permanent magnetic iron block 41 are replaced first bolt 3 successively, the first ring briquetting 5 and the first ring permanent magnetic iron block 11, use the 6th bolt 49 simultaneously, the second quadrilateral briquetting 50 and the second column permanent magnetic iron block 53 are replaced the 3rd bolt 17 successively, the second ring briquetting, 16, the second ring permanent magnetic iron blocks 21; The upper surface that it is characterized in that piston 18 has the 2nd T shape quadrilateral groove 54, the length direction line of the 2nd T shape quadrilateral groove 54 is crossed the center of circle of piston 18, the 2nd T shape quadrilateral groove 54 is distributed on the piston 18, all the 2nd T shape quadrilateral grooves 54 are identical to the distance of the axis of piston 18, and the 2nd T shape quadrilateral groove 54 is made up of the bigger quadrilateral groove 55 of the upper width of the 2nd T shape quadrilateral groove 54 and the less quadrilateral groove 56 of lower width of the 2nd T shape quadrilateral groove 54; The shape of the quadrilateral groove 56 that the shape of the second column permanent magnetic iron block 53 and the lower width of the 2nd T shape quadrilateral groove 54 are less is identical, the quadrilateral groove 56 that the lower width of the size of the second column permanent magnetic iron block 53 and the 2nd T shape quadrilateral groove 54 is less measure-alike; The second column permanent magnetic iron block 53 places in the less quadrilateral groove 56 of the lower width of the 2nd T shape quadrilateral groove 54, and the lower surface of the quadrilateral groove 56 that the lower width of the lower surface of the second column permanent magnetic iron block 53 and the 2nd T shape quadrilateral groove 54 is less is fitted; Two magnetic poles of the second column permanent magnetic iron block 53 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 55 that the shape of the second quadrilateral briquetting 50 and the upper width of the 2nd T shape quadrilateral groove 54 are bigger is identical, the quadrilateral groove 55 that the upper width of the size of the second quadrilateral briquetting 50 and the 2nd T shape quadrilateral groove 54 is bigger measure-alike; Four jiaos of the quadrilateral groove 55 that the upper width of the 2nd T shape quadrilateral groove 54 is bigger about piston diameter of a circle line symmetric arrangement the 6th tapped hole 63; The 7th unthreaded hole 57 is arranged on the second quadrilateral briquetting 50, the second quadrilateral briquetting 50 places in the bigger quadrilateral groove 55 of the upper width of the 2nd T shape quadrilateral groove 54, the upper surface of the quadrilateral groove 55 that the upper width of the lower surface of the second quadrilateral briquetting 50 and the 2nd T shape quadrilateral groove 54 is bigger is fitted, the upper surface flush of the upper surface of the second quadrilateral briquetting 50 and piston 18; The quantity of the 6th tapped hole 63 of the quadrilateral groove 55 that the quantity of the 7th unthreaded hole 57 on the second quadrilateral briquetting 50 and the upper width of the 2nd T shape quadrilateral groove 54 of piston 18 are bigger is identical, the dead in line of the 6th tapped hole 63 of the 2nd T shape quadrilateral groove 54 of the axis of the 7th unthreaded hole 57 on the second quadrilateral briquetting 50 and piston 18; The threaded end of the 6th bolt 49 is passed the 7th unthreaded hole 57 and is screwed into the 6th tapped hole 63, the six bolts 49 when tightening, and the 6th bolt 49 compresses the second quadrilateral briquetting 50; The lower surface of disc flange 1 has the length direction line of a T shape quadrilateral groove 43 a T shape quadrilateral groove 43 to cross the center of circle of disc flange 1, and a T shape quadrilateral groove 43 is made up of the less quadrilateral groove 46 of the upper width of a T shape quadrilateral groove 43 and the bigger quadrilateral groove 45 of lower width of a T shape quadrilateral groove 43; The shape of the quadrilateral groove 46 that the shape of the first column permanent magnetic iron block 41 and the upper width of a T shape quadrilateral groove 43 are less is identical, the quadrilateral groove 46 that the upper width of the size of the first column permanent magnetic iron block 41 and a T shape quadrilateral groove 43 is less measure-alike; The first column permanent magnetic iron block 41 places in the less quadrilateral groove 46 of the upper width of a T shape quadrilateral groove 43, and the upper surface of the upper surface of the first column permanent magnetic iron block 41 and a T shape quadrilateral groove 43 is fitted; Two magnetic poles of the first column permanent magnetic iron block 41 point to the axial direction and the axial direction that points to away from disc flange 1 of disc flange 1 respectively, the first column permanent magnetic iron block 41 is opposite near the magnetic polarity of cylindrical shape oil hydraulic cylinder 14 1 ends with the second column permanent magnet 53 near the magnetic polarity of cylindrical shape oil hydraulic cylinder 14 1 ends, the described like this first column permanent magnetic iron block 41 and the second column permanent magnetic iron block 53 just can satisfy the first column permanent magnetic iron block 41 and the second column permanent magnetic iron block 53 attracts each other by magnetic force, and in the horizontal direction the component of making a concerted effort of all the second column permanent magnetic iron block, 53 suffered magnetic force is zero requirement; The shape of the quadrilateral groove 45 that the shape of the first quadrilateral briquetting 40 and the lower width of a T shape quadrilateral groove 43 are bigger is identical, the quadrilateral groove 45 that the lower width of the size of the first quadrilateral briquetting 40 and a T shape quadrilateral groove 43 is bigger measure-alike; Four jiaos of diameter line symmetric arrangement the 5th tapped holes 44 of the quadrilateral groove 45 that the lower width of the one T shape quadrilateral groove 43 is bigger about disc flange 1; On the first quadrilateral briquetting 40, be furnished with the 6th unthreaded hole 47; The first quadrilateral briquetting 40 places in the bigger quadrilateral groove 45 of the lower width of a T shape quadrilateral groove 43, the lower surface of the upper surface of the first quadrilateral briquetting 40 and the first column permanent magnetic iron block 41 is fitted, and the lower surface of the first quadrilateral briquetting 40 flushes with the lower surface of disc flange 1; The quantity of the 6th unthreaded hole 47 is identical with the quantity of the 5th tapped hole 44 of a T shape quadrilateral groove 43 of disc flange 1 on the first quadrilateral briquetting 40, the dead in line of the 5th tapped hole 44 of a T shape quadrilateral groove 43 of the axis of the 6th unthreaded hole 47 and disc flange 1 on the first quadrilateral briquetting 40; The threaded end of the 5th bolt 39 is passed the 6th unthreaded hole 47 and is screwed into the 5th tapped hole 44, the five bolts 39 when tightening, and the 5th bolt 39 compresses the first quadrilateral briquetting 40.T shape quadrilateral groove 43 in the disc flange 1 is identical with the 2nd T shape quadrilateral groove 54 quantity in the piston 18, one the one T shape quadrilateral groove 43 with and only be distributed on the same ray perpendicular to disk 13 axis with one the 2nd T shape quadrilateral groove 54.
The feature of this no leak fluid damper also is to remove simultaneously first coil component spring 9 and second coil component spring 25, is not still effectively had the leak fluid damper.
The feature of this no leak fluid damper also is to remove first coil component spring 9, is not still effectively had the leak fluid damper.
The feature of this no leak fluid damper also is to remove second coil component spring 25, is not still effectively had the leak fluid damper.
The feature of this no leak fluid damper also is to remove the 3rd coil component spring 61, is not still effectively had the leak fluid damper.
These each parts that does not have the leakage damper are except that the first ring permanent magnetic iron block 11, the second ring permanent magnetic iron block 21, the first column permanent magnetic iron block 41 and the second column permanent magnetic iron block 53, other parts are all made with non-ferromagnetic metal or alloy material (for example aluminum alloy, stainless steel etc.).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, the first ring briquetting 5, circular shaft 8, the first coil component springs 9, the first ring permanent magnetic iron blocks 11, disk 13, cylindrical shape oil hydraulic cylinder 14, the second ring briquettings 16, piston 18, the second ring permanent magnetic iron block 21, bottom disc flange 24, the second coil component springs 25, the one T shape annular grooves 30, the 2nd T shape annular groove 31, the bigger annular groove 34 of upper width of annular groove 33, the two T shape annular grooves 31 that the upper width of annular groove 32, the one T shape annular grooves 30 that the lower width of the one T shape annular groove 30 is bigger is less, the annular groove 35 that the lower width of the 2nd T shape annular groove 31 is less, two ends have cylinder 52, the three coil component springs 61 of disc flange, the size of cylindrical body 58; Selected silicone oil is as damp liquid 15; According to the vibration control requirement, selected first bolt hole, 2, the first bolts, 3, the first unthreaded holes 4, second unthreaded hole, 6, the first tapped holes, 7, the second bolts, 10, the second tapped holes 12, the 3rd bolt 17, the three unthreaded holes 19, the three tapped holes 20, the four tapped holes 22, second bolt hole, 23, the four unthreaded holes 26, roundlet through hole 27, the 4th bolt 28, round tube hole 29, the five unthreaded holes 36, the 3rd bolt hole 51, quantity, position and the size of through hole 59, the four bolts hole 60 and the 7th bolt 62.For example: after installing at damper, piston 18 is positioned at the installation requirement of the centre of cylindrical shape oil hydraulic cylinder 14, after damper installs, piston 18 is in the equilibrium of forces state under the acting in conjunction of power such as magnetic force, first coil component spring 9, second coil component spring 25 and gravity, determined the parameter of first coil component spring 9 and second coil component spring 25 by conventional Mechanics Calculation.Two ends have disc flange cylinder 52 height according to " with the first ring permanent magnetic iron block 11 divide equally for the plane of two annulus up and down with the second ring permanent magnetic iron block 21 is divided equally be the planes overlapping of two annulus up and down " and " length of the 3rd coil component spring 61 is not less than these two conditions of maximum vibration displacement of oscillating body and determines; for example when vibrating when being simple harmonic oscillation, the height of cylindrical shape oil hydraulic cylinder 14 is not less than the twice of the maximum vibration displacement of oscillating body.
Second step: circular shaft 8 passes the round tube hole 29 of piston 18, one end of first coil component spring 9 is welded on piston 18 upper surfaces, the other end of first coil component spring 9 is welded on the top of the cylndrical surface of circular shaft 8, and the distance of the upper end of first coil component spring 9 from the upper-end surface of circular shaft 8 is the thickness of disk 13; The upper end of second coil component spring 25 is welded on piston 18 lower surfaces, and the cylndrical surface that the lower end of second coil component spring 25 is welded on circular shaft 8 bottom; All must guarantee the axis of circular shaft 8, the axis of piston 18, the axis of first coil component spring 9 and the dead in line of second coil component spring 25 before and after the welding.
The 3rd step: the second ring permanent magnetic iron block 21 is placed in the less annular groove 35 of the lower width of the 2nd T shape annular groove 31 of piston 18, the magnetic pole of the second ring permanent magnetic iron block 21 is at inside and outside two anchor rings, and the arctic is inwardly outwardly in the magnetic pole South Pole of the second ring permanent magnetic iron block 21; The lower surface of the lower surface of the second ring permanent magnetic iron block 21 and the 2nd T shape annular groove 31 is fitted, i.e. the lower surface applying of the less annular groove 35 of the lower width of the lower surface of the second ring permanent magnetic iron block 21 and the 2nd T shape annular groove 31; The second ring briquetting 16 is placed in the bigger annular groove 34 of the upper width of the 2nd T shape annular groove 31, the upper surface of the lower surface of the second ring briquetting 16 and the second ring permanent magnetic iron block 21 is fitted, the upper surface flush of the upper surface of the second ring briquetting 16 and piston 18; With the dead in line of the 4th tapped hole 22 of the 2nd T shape annular groove 31 of the axis of the 4th unthreaded hole 26 on the second ring briquetting 16 and piston 18, with the dead in line of the 3rd tapped hole 20 of the 2nd T shape annular groove 31 of the axis of the 3rd unthreaded hole 19 on the second ring briquetting 16 and piston 18; The threaded end of the 3rd bolt 17 is passed the 3rd unthreaded hole 19 to be screwed into the 3rd tapped hole 20 and to tighten, the threaded end of the 4th bolt 28 is passed the 4th unthreaded hole 26 and is screwed into the 4th tapped hole 22 and tightens, when the 3rd bolt 17 and the 4th bolt 28 were tightened, the 3rd bolt 17 and the 4th bolt 28 compressed the second ring briquetting 16.
The 4th step: the lower end surface of circular shaft 8 is welded on the upper surface of bottom disc flange 24, all must guarantees the dead in line of the axis and the circular shaft 8 of bottom disc flange 24 before and after the welding.
The 5th step: cylindrical shape oil hydraulic cylinder 14 is enclosed within outside the piston 18, and the upper surface welding of the lower end surface of cylindrical shape oil hydraulic cylinder 14 and bottom disc flange 24 all must guarantee the dead in line of the axis and the cylindrical shape oil hydraulic cylinder 14 of bottom disc flange 24 before and after the welding.
The 6th step: the circle centre position at disk 13 bores circular hole a, and the diameter of circular hole a is a bit larger tham the diameter (welding conditions are got concrete numerical value routinely) of circular shaft 8, the dead in line of the axis of circular hole a and disk 13; Axis symmetry about disk 13 is bored small sircle hole b and small sircle hole c on disk 13 again, small sircle hole b and small sircle hole c axis separately equal half of radius sum of the inside radius of cylindrical shape oil hydraulic cylinder 14 and circular hole a from the distance of the axis of disk 13, the radius of small sircle hole b and small sircle hole c deduct less than the inside radius of cylindrical shape oil hydraulic cylinder 14 circular hole a radius numerical value 1/2nd.
The 7th step: then the top of circular shaft 8 was inserted for the 6th step and bore among the circular hole a, the lower surface of disk 13 is placed on the upper-end surface of cylindrical shape oil hydraulic cylinder 14.The upper-end surface of cylindrical shape oil hydraulic cylinder 14 is welded on the lower surface of disk 13, again with the upper-end surface of circular shaft 8 and disk 13 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 14, the axis of disk 13, the dead in line of circular shaft 8.
The 8th step: use funnel that silicone oil is filled with cylindrical shape oil hydraulic cylinder 14 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 14 by 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: the first ring permanent magnetic iron block 11 is placed in the less annular groove 33 of the upper width of a T shape annular groove 30 of disc flange 1; The magnetic pole of the first ring permanent magnetic iron block 11 is at inside and outside two anchor rings, and the arctic is inwardly outwardly in the magnetic pole South Pole of the first ring permanent magnetic iron block 11; The upper surface of the upper surface of the first ring permanent magnetic iron block 11 and a T shape annular groove 30 is fitted, i.e. the upper surface applying of the less annular groove 33 of the upper width of the upper surface of the first ring permanent magnetic iron block 11 and a T shape annular groove 30; The first ring briquetting 5 is placed in the bigger annular groove 32 of the lower width of a T shape annular groove 30, the lower surface of the upper surface of the first ring briquetting 5 and the first ring permanent magnetic iron block 11 is fitted, and the lower surface of the first ring briquetting 5 flushes with the lower surface of disc flange 1; With the dead in line of second tapped hole 12 of a T shape annular groove 30 of the axis of first unthreaded hole 4 on the first ring briquetting 5 and disc flange 1, the axial alignment of first tapped hole 7 of a T shape annular groove 30 of the axis of second unthreaded hole 6 on the first ring briquetting 5 and disc flange 1; The threaded end of first bolt 3 is passed first unthreaded hole 4 to be screwed into second tapped hole 12 and to tighten, the threaded end of second bolt 10 is passed second unthreaded hole 6 and is screwed into first tapped hole 7 and tightens, when first bolt 3 and second bolt 10 were tightened, first bolt 3 and second bolt 10 compressed the first ring briquetting 5.
The tenth step: the lower end of the 3rd coil component spring 61 is welded on the upper surface of disk 13, the upper end of the 3rd coil component spring 61 is welded on the lower surface of this cylindrical body 58.The dead in line of the axis of the axis of the 3rd coil component spring 61, cylindrical shape oil hydraulic cylinder and cylindrical body 58.
The 11 step: cylindrical shape oil hydraulic cylinder 14 is passed the 5th unthreaded hole 36, be about to disc flange 1 and be enclosed within outside the cylindrical shape oil hydraulic cylinder 14.
The 12 step: cylindrical shape oil hydraulic cylinder 14 is inserted in the cylinder 52 that two ends have disc flange, guarantee that simultaneously cylindrical body 58 is enclosed within the through hole 59, cylindrical body 58 and two ends are had upper end disc flange 37 welding of the cylinder 52 of disc flange, the upper-end surface of upper end disc flange 37 that the upper-end surface that welding requirements guarantees cylindrical body 58 and two ends have the cylinder 52 of disc flange flushes, and the lower end surface of upper end disc flange 37 that the lower end surface of cylindrical body 58 and two ends have the cylinder 52 of disc flange flushes.
The 13 step: pass first bolt hole 2 and the 3rd bolt hole 51 with the 7th bolt 62, the lower end disc flange 38 that disc flange 1 and two ends is had the cylinder 52 of disc flange is connected.
If with the 5th bolt 39, the first quadrilateral briquetting 40 and the first column permanent magnetic iron block 41 are replaced first bolt 3 successively, the first ring briquetting 5 and the first ring permanent magnetic iron block 11, use the 6th bolt 49 simultaneously, the second quadrilateral briquetting 50 and the second column permanent magnetic iron block 53 are replaced the 3rd bolt 17 successively, the second ring briquetting 16, the second ring permanent magnetic iron block 21, be similar to the no leak fluid damper that 13 steps of the above-listed first step to the also can obtain possessing the another kind of form of said function, the concrete process of making can follow these steps to carry out:
The first step: according to the vibration control requirement, selected disc flange 1, piston 18, two ends have the cylinder 52 of disc flange, circular shaft 8, the first coil component springs 9, cylindrical shape oil hydraulic cylinder 14, the second coil component springs 25, the three coil component springs 61, the size of cylindrical body 58; Selected silicone oil is as damp liquid 15; According to the vibration control requirement, selected the 5th bolt 39, the first quadrilateral briquettings 40, the first column permanent magnetic iron blocks 41, the one T shape quadrilateral groove 43, the less quadrilateral groove 46 of upper width of quadrilateral groove 45, the one T shape quadrilateral grooves 43 that the lower width of the 5th tapped hole 44, the one T shape quadrilateral grooves 43 is bigger, the 6th unthreaded hole 47, the 6th bolt 49, the second quadrilateral briquettings 50, roundlet through hole 27, round tube hole 29, the bigger quadrilateral groove 55 of upper width of the second column permanent magnetic iron block, 53, the two T shape quadrilateral grooves, 54, the two T shape quadrilateral grooves 54, the less quadrilateral groove 56 of lower width of the 2nd T shape quadrilateral groove 54, the 7th unthreaded hole 57, the second bolts hole 23, the three bolts hole 51, the 4th bolt hole 60, the 7th bolt 62, the six tapped holes 63, the quantity of through hole 59, position and size.48 the 2nd T shape quadrilateral groove 54 positions, quantity are corresponding one by one in a T shape quadrilateral groove 43 in the disc flange 1 and the piston, be that a T shape quadrilateral groove 43 in the disc flange 1 is identical with the 2nd T shape quadrilateral groove 54 quantity in the piston 18, one the one T shape quadrilateral groove 43 with and only be distributed on the same ray perpendicular to disk 13 axis with one the 2nd T shape quadrilateral groove 54.For example: after installing at damper, piston 18 is positioned at the installation requirement of the centre of cylindrical shape oil hydraulic cylinder 14, after damper installs, piston 18 is in the equilibrium of forces state under the acting in conjunction of power such as magnetic force, first coil component spring 9, second coil component spring 25 and gravity, determined the parameter of first coil component spring 9 and second coil component spring 25 by conventional Mechanics Calculation.Two ends have disc flange cylinder 52 height according to " with the first column permanent magnetic iron block 41 divide equally for two-part plane up and down with the second column permanent magnetic iron block 53 is divided equally be two-part planes overlapping up and down " and " length of the 3rd coil component spring 61 is not less than the maximum vibration displacement of oscillating body " these two conditions definite, for example when vibration was simple harmonic oscillation, the height of cylindrical shape oil hydraulic cylinder 14 was not less than the twice of the maximum vibration displacement of oscillating body.
Second step: circular shaft 8 passes the round tube hole 29 of piston 18, one end of first coil component spring 9 is welded on piston 18 upper surfaces, the other end of first coil component spring 9 is welded on the top of the cylndrical surface of circular shaft 8, and the distance of the upper end of first coil component spring 9 from the upper-end surface of circular shaft 8 is the thickness of disk 13; The upper end of second coil component spring 25 is welded on piston 18 lower surfaces, and the cylndrical surface that the lower end of second coil component spring 25 is welded on circular shaft 8 bottom; All must guarantee the axis of circular shaft 8, the axis of piston 18, the axis of first coil component spring 9 and the dead in line of second coil component spring 25 before and after the welding.
The 3rd step: the second column permanent magnetic iron block 53 is placed in the less quadrilateral groove 56 of the lower width of the 2nd T shape quadrilateral groove 54 of piston 18, the magnetic pole of the second column permanent magnetic iron block 53 points to the axial direction of piston 18 respectively and points to axial direction away from piston 18; The lower surface of the lower surface of the second column permanent magnetic iron block 53 and the 2nd T shape quadrilateral groove 54 is fitted, i.e. the lower surface applying of the less quadrilateral groove 56 of the lower width of the lower surface of the second column permanent magnetic iron block 53 and the 2nd T shape quadrilateral groove 54; The second quadrilateral briquetting 50 is placed in the bigger quadrilateral groove 55 of the upper width of the 2nd T shape quadrilateral groove 54, the upper surface of the lower surface of the second quadrilateral briquetting 50 and the second column permanent magnetic iron block 53 is fitted, the upper surface flush of the upper surface of the second quadrilateral briquetting 50 and piston 18; Dead in line with the 6th tapped hole 63 of the 2nd T shape quadrilateral groove 54 of the axis of the 7th unthreaded hole 57 on the second quadrilateral briquetting 50 and piston 18; The threaded end of the 6th bolt 49 is passed the 7th unthreaded hole 57 be screwed into the 6th tapped hole 63 and tighten, when the 6th bolt 49 was tightened, the 6th bolt 49 compressed the second quadrilateral briquetting 50.
The 4th step: the lower end surface of circular shaft 8 is welded on the upper surface of bottom disc flange 24, all must guarantees the dead in line of the axis and the circular shaft 8 of bottom disc flange 24 before and after the welding.
The 5th step: cylindrical shape oil hydraulic cylinder 14 is enclosed within outside the piston 18, and the upper surface welding of the lower end surface of cylindrical shape oil hydraulic cylinder 14 and bottom disc flange 24 all must guarantee the dead in line of the axis and the cylindrical shape oil hydraulic cylinder 14 of bottom disc flange 24 before and after the welding.
The 6th step: the circle centre position at disk 13 bores circular hole a, and the diameter of circular hole a is a bit larger tham the diameter (welding conditions are got concrete numerical value routinely) of circular shaft 8, the dead in line of the axis of circular hole a and disk 13; Axis symmetry about disk 13 is bored small sircle hole b and small sircle hole c on disk 13 again, small sircle hole b and small sircle hole c axis separately equal half of radius sum of the inside radius of cylindrical shape oil hydraulic cylinder 14 and circular hole a from the distance of the axis of disk 13, the radius of small sircle hole b and small sircle hole c deduct less than the inside radius of cylindrical shape oil hydraulic cylinder 14 circular hole a radius numerical value 1/2nd.
The 7th step: then the top of circular shaft 8 was inserted for the 6th step and bore among the circular hole a, the lower surface of disk 13 is placed on the upper-end surface of cylindrical shape oil hydraulic cylinder 14.The upper-end surface of cylindrical shape oil hydraulic cylinder 14 is welded on the lower surface of disk 13, again with the upper-end surface of circular shaft 8 and disk 13 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 14, the axis of disk 13, the dead in line of circular shaft 8.
The 8th step: use funnel that silicone oil is filled with cylindrical shape oil hydraulic cylinder 14 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 14 by 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: the first column permanent magnetic iron block 41 is placed in the less quadrilateral groove 46 of the upper width of a T shape quadrilateral groove 43 of disc flange 1; The magnetic pole of the first column permanent magnetic iron block 41 points to the axial direction and the axial direction that points to away from disc flange 1 of disc flange 1 respectively, and the first column permanent magnetic iron block 41 is opposite near the magnetic polarity of cylindrical shape oil hydraulic cylinder 14 1 ends with the second column permanent magnet 53 near the magnetic polarity of cylindrical shape oil hydraulic cylinder 14 1 ends; The upper surface of the upper surface of the first column permanent magnetic iron block 41 and a T shape quadrilateral groove 43 is fitted, i.e. the upper surface applying of the less quadrilateral groove 46 of the upper width of the upper surface of the first column permanent magnetic iron block 41 and a T shape quadrilateral groove 43; The first quadrilateral briquetting 40 is placed in the bigger quadrilateral groove 45 of the lower width of a T shape quadrilateral groove 43, the lower surface of the upper surface of the first quadrilateral briquetting 40 and the first column permanent magnetic iron block 41 is fitted, and the lower surface of the first quadrilateral briquetting 40 flushes with the lower surface of disc flange 1; Axial alignment (coincidence) with axis with the 5th tapped hole 44 of a T shape quadrilateral groove 43 of disc flange 1 of the 6th unthreaded hole 47 on the first quadrilateral briquetting 40; The threaded end of the 5th bolt 39 is passed the 6th unthreaded hole 47 be screwed into the 5th tapped hole 44 and tighten, when the 5th bolt 39 was tightened, the 5th bolt 39 compressed ring briquetting 40.
The tenth step: the lower end of the 3rd coil component spring 61 is welded on the upper surface of disk 13, the upper end of the 3rd coil component spring 61 is welded on the lower surface of this cylindrical body 58.The dead in line of the axis of the axis of the 3rd coil component spring 61, cylindrical shape oil hydraulic cylinder and cylindrical body 58.
The 11 step: cylindrical shape oil hydraulic cylinder 14 is passed the 5th unthreaded hole 36, be about to disc flange 1 and be enclosed within outside the cylindrical shape oil hydraulic cylinder 14.
The 12 step: cylindrical shape oil hydraulic cylinder 14 is inserted in the cylinder 52 that two ends have disc flange, guarantee that simultaneously cylindrical body 58 is enclosed within the through hole 59, cylindrical body 58 and two ends are had upper end disc flange 37 welding of the cylinder 52 of disc flange, the upper-end surface of upper end disc flange 37 that the upper-end surface that welding requirements guarantees cylindrical body 58 and two ends have the cylinder 52 of disc flange flushes, and the lower end surface of upper end disc flange 37 that the lower end surface of cylindrical body 58 and two ends have the cylinder 52 of disc flange flushes.
The 13 step: pass first bolt hole 2 and the 3rd bolt hole 51 with the 7th bolt 62, the lower end disc flange 38 that disc flange 1 and two ends is had the cylinder 52 of disc flange is connected.
In aforementioned process, only remove first coil component spring 9 and second coil component spring 25 simultaneously, still effectively do not had the leak fluid damper; Similarly, in aforementioned process, only remove first coil component spring 9, still effectively do not had the leak fluid damper; Equally, in aforementioned process, only be to remove second coil component spring 25, still effectively do not had the leak fluid damper.
So far just can realize the present invention.
Claims (7)
1. no leak fluid damper, it is characterized in that: this no leak fluid damper comprises: disk (13), the bottom disc flange (24) that is oppositely arranged with disk (13), disk (13) and bottom disc flange (24) do not had the cylinder (52) that the two ends of leaking the oil hydraulic cylinder (14) that is connected, the disc flange (1) that is provided with the 5th unthreaded hole (36), having opening have disc flange, there is upper end disc flange (37) upper end that two ends have the cylinder (52) of disc flange, and there is lower end disc flange (38) lower end that two ends have the cylinder (52) of disc flange;
Bottom disc flange (24), disk (13) and oil hydraulic cylinder (14) 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 (52) that two ends have disc flange, the lower end disc flange (38) that two ends have the cylinder (52) of disc flange links to each other with disc flange (1), oil hydraulic cylinder (14) passes the 5th unthreaded hole (36) of disc flange (1), built-in first permanent magnetic iron block of disc flange (1) (42);
This no leak fluid damper also comprises along the piston (18) of oil hydraulic cylinder (14) axial motion, circular shaft (8) and second permanent magnetic iron block (48), this piston (18) is positioned at the middle part of oil hydraulic cylinder (14), piston (18) circle centre position is provided with round tube hole (29), circular shaft (8) passes round tube hole (29), circular shaft (8) lower end surface does not have leakage with bottom disc flange (24) and is connected, the upper-end surface of circular shaft (8) flushes with the upper-end surface of disk (13) and does not have to leak and is connected, have little round tube hole (27) 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 by little round tube hole (27) and the dead in line of circular shaft (8), second permanent magnetic iron block (48) is arranged on piston (18) inside.
2. no leak fluid damper according to claim 1 is characterized in that: two ends have the axis of the cylinder (52) of disc flange, the axis of disc flange (1), the axis of disk (13), the axis of oil hydraulic cylinder (14), the axis of circular shaft (8), the axis of bottom disc flange (24), the axis of piston (18) and the dead in line of round tube hole (29).
3. no leak fluid damper according to claim 1, it is characterized in that: described first permanent magnetic iron block (42) attracts each other by magnetic force with second permanent magnetic iron block (48), and the component of making a concerted effort in the horizontal direction of the suffered magnetic force of all second permanent magnetic iron blocks (48) is zero.
4. no leak fluid damper according to claim 1, it is characterized in that: in this no leak fluid damper, add first spring (9), wherein: the lower end of first spring (9) is connected with piston (18) upper surface, the upper end of first spring (9) is connected with the top of circular shaft (8), and first spring (9) 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. no leak fluid damper according to claim 1, it is characterized in that: in this no leak fluid damper, add second spring (25), wherein: the upper end of second spring (25) is connected with piston (18) lower surface, the lower end of second spring (25) is connected bottom with circular shaft (8), and second spring (25) 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. no leak fluid damper according to claim 1, it is characterized in that: in this no leak fluid damper, add first spring (9) and second spring (25), wherein: the lower end of first spring (9) is connected with piston (18) upper surface, and the upper end of first spring (9) is connected with the top of circular shaft (8); The upper end of second spring (25) is connected with the lower surface of piston (18), and the lower end of second spring (25) is connected bottom with circular shaft (8); This first spring (9) 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); Second spring (25) 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. according to the arbitrary described no leakage current variant damper of claim 1 to 6, it is characterized in that: in this no leak fluid damper, also comprise the 3rd spring (61), the upper end of the 3rd spring (61) is connected on the lower end surface of upper end disc flange (37) of cylinder (52) of disc flange, and the lower end of the 3rd spring (61) is connected on the upper surface of disk (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067699A CN102102732B (en) | 2011-03-21 | 2011-03-21 | Leakage-free fluid damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110067699A CN102102732B (en) | 2011-03-21 | 2011-03-21 | Leakage-free fluid damper |
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| Publication Number | Publication Date |
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| CN102102732A true CN102102732A (en) | 2011-06-22 |
| CN102102732B CN102102732B (en) | 2012-09-19 |
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| CN201110067699A Expired - Fee Related CN102102732B (en) | 2011-03-21 | 2011-03-21 | Leakage-free fluid damper |
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| CN102562906A (en) * | 2012-02-20 | 2012-07-11 | 东南大学 | Rotary electrorheological fluid damper |
| CN102562929A (en) * | 2012-02-20 | 2012-07-11 | 东南大学 | Leak-free rotary fluid damper |
| CN102588498A (en) * | 2012-02-20 | 2012-07-18 | 东南大学 | No-leakage electromagnetic fluid body damper |
| CN102619918A (en) * | 2012-02-20 | 2012-08-01 | 东南大学 | No-leakage rotatable and axially movable fluid damper |
| CN108071735A (en) * | 2017-12-21 | 2018-05-25 | 重庆厚全科技发展有限公司 | One kind starts machine testing vibration-free tables |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562906A (en) * | 2012-02-20 | 2012-07-11 | 东南大学 | Rotary electrorheological fluid damper |
| CN102562929A (en) * | 2012-02-20 | 2012-07-11 | 东南大学 | Leak-free rotary fluid damper |
| CN102588498A (en) * | 2012-02-20 | 2012-07-18 | 东南大学 | No-leakage electromagnetic fluid body damper |
| CN102619918A (en) * | 2012-02-20 | 2012-08-01 | 东南大学 | No-leakage rotatable and axially movable fluid damper |
| CN102562929B (en) * | 2012-02-20 | 2013-10-30 | 东南大学 | Leak-free rotary fluid damper |
| CN108071735A (en) * | 2017-12-21 | 2018-05-25 | 重庆厚全科技发展有限公司 | One kind starts machine testing vibration-free tables |
| CN108071735B (en) * | 2017-12-21 | 2019-06-28 | 重庆厚全科技发展有限公司 | One kind starting machine testing vibration-free tables |
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|---|---|
| CN102102732B (en) | 2012-09-19 |
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