CN102146979A

CN102146979A - Leakage-free current variant damper

Info

Publication number: CN102146979A
Application number: CN 201110067966
Authority: CN
Inventors: 韩玉林; 王芳; 刘娟; 贾春; 关庆港; 万江; 张居锁
Original assignee: Southeast University
Current assignee: Haian County East Special Building Material Co ltd; Southeast University
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2011-08-10
Anticipated expiration: 2031-03-21
Also published as: CN102146979B

Abstract

The invention relates to a leakage-free current variant damper which comprises a disk, a bottom disk flange arranged opposite to the disk, a hydraulic cylinder used for connecting the disk with the bottom disk flange in a leakage-free manner, a disk flange provided with a fifth aperture, and a cylinder provided with disk flanges at two opening ends, wherein the upper end of the cylinder with the disk cylinders at two ends is provided with an upper end disk flange, the lower end of the disk with the disk cylinders at two ends is provided with a lower end disk flange, and the side surface cylinder body of the cylinder with the disk flanges at two ends is provided with a circular through hole. By using a piston motion in a magnetic force traction damper, the piston moves, a current variant consumes energy when flowing through a small circular through hole on the piston, the viscosity of the current variant is changed by changing the voltage between a positive polar plate and a negative polar plate according to a vibration control requirement, and the effect of actively controlling the vibration is achieved. The damper is not easy to leak damping liquid due to no use of a dynamic sealing member.

Description

No leakage current variant damper

Technical field

The present invention proposes a kind of " no leakage current variant damper ", belongs to field of vibration control, and is ACTIVE 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 no leakage current variant damper, and this damper does not use dynamic seal, 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 leakage current variant 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 leakage current variant damper, this no leakage current variant damper comprises: disk, the bottom disc flange that is oppositely arranged with disk, disk and bottom disc flange there is not the oil hydraulic cylinder that leakage is connected, be provided with the disc flange of the 5th unthreaded hole, two ends with opening have the cylinder of disc flange, there is the upper end disc flange upper end that two ends have the cylinder of disc flange, there is the lower end disc flange lower end that two ends have the cylinder of disc flange, and two ends have on the side cylindrical shell of cylinder of disc flange and have manhole;

The bottom disc flange, disk and oil hydraulic cylinder are formed closed no leakage space, electro rheological fluids is full of this closed no leakage space, oil hydraulic cylinder 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 leakage current variant damper also comprises piston, Hollow Cylindrical Shaft, positive plate, first supporting frame, negative plate, second supporting frame, second permanent magnetic iron block, first circular shaft and second circular shaft 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 first round tube hole, Hollow Cylindrical Shaft is passed first round tube hole, the Hollow Cylindrical Shaft lower end surface does not have leakage with the bottom disc flange and is connected, the upper-end surface of Hollow Cylindrical 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 Hollow Cylindrical Shaft, second permanent magnetic iron block is arranged on internal piston;

Same circumference along the Hollow Cylindrical Shaft lower external face is evenly equipped with second round tube hole, the axis of second round tube hole and the orthogonal axe of Hollow Cylindrical Shaft, same circumference along the top of Hollow Cylindrical Shaft outer surface is evenly equipped with the 3rd round tube hole, the axis of the 3rd round tube hole and the orthogonal axe of Hollow Cylindrical Shaft, it is hollow to be with top in the Hollow Cylindrical Shaft, first circular shaft that the bottom is solid, same circumference along the first circular shaft outer surface of upper is evenly equipped with the 4th round tube hole, the axis of the 4th round tube hole and the orthogonal axe of Hollow Cylindrical Shaft, the dead in line of the 3rd round tube hole and the 4th round tube hole, the length of first circular shaft is less than the length of Hollow Cylindrical Shaft, the lower end surface of first circular shaft is higher than the lower end surface of Hollow Cylindrical Shaft, the upper-end surface of first circular shaft flushes with the upper-end surface of Hollow Cylindrical Shaft, be with second circular shaft in the top hollow shaft of first circular shaft, the second circular shaft length is less than the length of the top Hollow Cylindrical Shaft of first circular shaft, and the top of second circular shaft flushes with the top of first circular shaft;

Positive plate is positioned on the upper surface of bottom disc flange, link to each other with an end of first supporting frame, the other end of first supporting frame passes second round tube hole and links to each other with first circular shaft, negative plate is positioned under the lower surface of disk, be connected with an end of second supporting frame, the other end of second supporting frame passes the 3rd round tube hole and links to each other with second circular shaft with the 4th round tube hole, the first circular shaft top is passed manhole by first lead and is linked to each other with external power supply is anodal, and the top of second circular shaft is passed manhole by second lead and linked to each other with the external power supply negative pole;

The upper surface of negative plate does not contact with the lower surface of disk, the lower surface of positive plate does not contact with the upper surface of bottom disc flange, positive plate does not all contact with oil hydraulic cylinder, Hollow Cylindrical Shaft with negative plate, positive plate only contacts with electro rheological fluids with first supporting frame, and negative plate only contacts with electro rheological fluids with second supporting frame; First supporting frame does not contact with Hollow Cylindrical Shaft; First supporting frame does not contact with the bottom disc flange, second supporting frame does not contact with Hollow Cylindrical Shaft, and the packing material insulated enclosure is used in the space between the space between the space between the space between the space between first supporting frame and Hollow Cylindrical Shaft, second supporting frame and Hollow Cylindrical Shaft, second supporting frame and first circular shaft, first circular shaft and Hollow Cylindrical Shaft, first circular shaft and second circular shaft respectively.

Preferably, two ends have the axis of the cylinder of disc flange, the axis of Hollow Cylindrical Shaft, the axis of piston, the axis of bottom disc flange, the axis of first round tube hole, the axis of first circular shaft, the axis of second circular shaft, the axis of positive plate, the axis of negative plate, the axis of first supporting frame, the axis of second supporting frame, the axis of oil hydraulic cylinder and the dead in line of disc flange.

Preferably, 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 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 Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical 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: 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, when piston motion, damp liquid flows through the little round tube hole on the piston, damp liquid consumes energy when flowing through roundlet through hole on the piston, plays the effect that suppresses vibration.Owing to do not use dynamic seal, 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.Because damp liquid adopts electro rheological fluids,, play the effect of ACTIVE CONTROL by adjusting the viscosity of external voltage control electro rheological fluids.

Description of drawings:

Fig. 1 be no leakage current variant 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 disc flange 1 among Fig. 9;

Figure 12 is that the B-B of 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 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;

Figure 19 is the transverse sectional view of Fig. 1 hollow core circular shaft 8;

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, second bolt hole 7, Hollow Cylindrical Shaft 8, first coil component spring 9, second bolt 10, the first ring permanent magnetic iron block 11, the 3rd bolt hole 12, disk 13, cylindrical shape oil hydraulic cylinder 14, electro rheological fluids 15, the second ring briquetting 16, the 3rd bolt 17, piston 18, the 3rd unthreaded hole 19, the 4th bolt hole 20, the second ring permanent magnetic iron block 21, the 5th bolt hole 22, the 6th bolt hole 23, bottom disc flange 24, second coil component spring 25, the 4th unthreaded hole 26, roundlet through hole 27, the 4th bolt 28, the first round tube holes 29, 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, the 5th unthreaded hole 36, two ends have the upper end disc flange 37 of the cylinder 52 of disc flange, and two ends have the lower end disc flange 38 of the cylinder 52 of disc flange, the 5th bolt 39, the first quadrilateral briquetting, 40, the first column permanent magnetic iron blocks, 41, the first permanent magnetic iron blocks 42, 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 7th bolt hole 44, the one T shape quadrilateral grooves 43 is bigger, the 6th unthreaded hole 47, second permanent magnetic iron block, 48, the six bolts, 49, the second quadrilateral briquettings 50, the 8th bolt hole 51, two ends have cylinder 52, the second column permanent magnetic iron blocks 53, the two T shape quadrilateral grooves 54 of disc flange, the bigger quadrilateral groove 55 of upper width of the 2nd T shape quadrilateral groove 54, quadrilateral groove 56, the seven unthreaded holes 57 that the lower width of the 2nd T shape quadrilateral groove 54 is less, cylindrical body 58, through hole 59, the 9th bolt hole 60, the three coil component springs 61, the seven bolts 62, the tenth bolt hole 63, manhole 64, the first leads 65, ring positive plate 66, the 11 bolt hole 67, the 12 bolt hole 68, the first circular shaft shape supporting frames 69, the second round tube holes 70, first tapped hole 71, second lead, 72, the eight bolts, 73, the first circular shafts 74, the packing material 75 that not only insulate but also seal, ring negative plate 76, the nine bolts 77, the second circular shaft shape supporting frames 78, the 3rd round tube hole 79, the 4th round tube hole 80, the second tapped holes 81, the second circular shafts 82, the 13 bolt hole 83, the 14 bolts hole 84.

Embodiment

The present invention will be further described below in conjunction with accompanying drawing.

The present invention proposes a kind of no leakage current variant damper, utilize the piston motion in the magnetic force promotion damper, when piston motion, electro rheological fluids flows through the little round tube hole (damping hole) on the piston, the effect of control vibration is played in power consumption when electro rheological fluids flows through little round tube 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 leakage current variant damper and utilizes the piston motion in the contactless promotion damper of magnetic force to consume energy, and adopts electro rheological fluids as damp liquid, plays the effect of ACTIVE CONTROL.

The no leakage current variant damper of first kind of form 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, 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, electro rheological fluids 15 is full of this closed no leakage space, oil hydraulic cylinder 14 parts 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 first permanent magnetic iron block 42;

This no leakage current variant damper also comprises piston 18, Hollow Cylindrical Shaft 8, ring positive plate 66, the first circular shaft shape supporting frame 69, ring negative plate 76, the second circular shaft shape supporting frame 78, the second ring permanent magnetic iron block 21, first circular shaft 74 and second circular shaft 82; This piston 18 is positioned at the middle part of oil hydraulic cylinder 14, piston 18 circle centre positions are provided with first round tube hole 29, Hollow Cylindrical Shaft 8 is passed first round tube hole 29, Hollow Cylindrical Shaft 8 lower end surfaces do not have leakage with bottom disc flange 24 and are connected, the upper-end surface of Hollow Cylindrical 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 by roundlet through hole 27 and the dead in line of Hollow Cylindrical Shaft 8, second permanent magnetic iron block 48 is arranged on piston 18 inside; 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.

Same circumference along Hollow Cylindrical Shaft 8 lower external face is evenly equipped with second round tube hole 70, the orthogonal axe of the axis of second round tube hole 70 and Hollow Cylindrical Shaft 8, same circumference along the top of Hollow Cylindrical Shaft 8 outer surfaces is evenly equipped with the 3rd round tube hole 79, the orthogonal axe of the axis of the 3rd round tube hole 79 and Hollow Cylindrical Shaft 8, it is hollow to be with top in the Hollow Cylindrical Shaft 8, first circular shaft 74 that the bottom is solid, same circumference along first circular shaft, 74 outer surface of upper is evenly equipped with the 4th round tube hole 80, the orthogonal axe of the axis of the 4th round tube hole 80 and Hollow Cylindrical Shaft 8, the 3rd round tube hole 79 and correspondence and the dead in line one by one of the 4th round tube hole 80, the length of first circular shaft 74 is less than the length of Hollow Cylindrical Shaft 8, the lower end surface of first circular shaft 74 is higher than the lower end surface of Hollow Cylindrical Shaft 8, the upper-end surface of first circular shaft 74 flushes with the upper-end surface of Hollow Cylindrical Shaft 8, be with second circular shaft 82 in the top hollow shaft of first circular shaft 74, second circular shaft, 82 length are less than the length of the top Hollow Cylindrical Shaft of first circular shaft 74, the top of second circular shaft 82 flushes with the top of first circular shaft 74, ring positive plate 66 is positioned on the upper surface of bottom disc flange 24, link to each other with an end of the first circular shaft shape supporting frame 69, the other end of the first circular shaft shape supporting frame 69 passes second round tube hole 70 and links to each other with first circular shaft 74, ring negative plate 76 is positioned under the lower surface of disk 13, be connected with an end of the second circular shaft shape supporting frame 78, the other end of the second circular shaft shape supporting frame 78 passes the 3rd round tube hole 79 and links to each other with second circular shaft 82 with the 4th round tube hole 80, first circular shaft, 74 tops are passed manhole 64 by first lead 65 and are linked to each other with external power supply is anodal, and the top of second circular shaft 82 is passed manhole 64 by second lead 72 and linked to each other with the external power supply negative pole;

The upper surface of ring negative plate 76 does not contact with the lower surface of disk 13, the lower surface of ring positive plate 66 does not contact with the upper surface of bottom disc flange 24, ring positive plate 66 does not all contact with oil hydraulic cylinder 14, Hollow Cylindrical Shaft 8 with ring negative plate 76,66 of ring positive plates contact with electro rheological fluids 15 with the first circular shaft

shape supporting frame

69, and 76 of ring negative plates contact with electro rheological fluids 15 with the second circular shaft shape supporting frame 78; The first circular shaft shape supporting frame 69 does not contact with Hollow Cylindrical Shaft 8; The first circular shaft shape supporting frame 69 does not contact with bottom disc flange 24, the second circular shaft shape supporting frame 78 does not contact with Hollow Cylindrical Shaft 8, and the packing material insulated enclosure is used in the space that the space that the space that the space that the space that the first circular shaft shape supporting frame 69 and Hollow Cylindrical Shaft are 8, the second circular shaft shape supporting frame 78 and Hollow Cylindrical Shaft are 8, the second circular shaft shape supporting frame 78 and first circular shaft are 74, first circular shaft 74 and Hollow Cylindrical Shaft are 8, first circular shaft 74 and second circular shaft are 82 respectively.

Two ends have the axis of the cylinder 52 of disc flange, the axis of Hollow Cylindrical Shaft 8, the axis of piston 18, the axis of first round tube hole 29, the axis of first circular shaft 74, the axis of second circular shaft 82, the axis of ring positive plate 66, the axis of ring negative plate 76, the axis of disk 13, the axis of the first circular shaft shape supporting frame 69, the axis of the second circular shaft shape supporting frame 78, the axis of oil hydraulic cylinder 14 and the dead in line of disc flange 1.

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 piston 18 upper surfaces, and the upper end of first spring 9 is connected with the top of the cylndrical surface of Hollow Cylindrical 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 Hollow Cylindrical 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 with the cylndrical surface of Hollow Cylindrical 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 Hollow Cylindrical 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 the cylndrical surface of Hollow Cylindrical 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 with the cylndrical surface of Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical 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 Hollow Cylindrical Shaft 8, the axis of first circular shaft 74, the axis of second circular shaft 82, 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; First circular shaft, 74 usefulness, first lead 65 is connected the external high voltage power supply positive pole, by the first circular shaft shape supporting frame 69 voltage is delivered on the anodal ring positive plate 66, second circular shaft, 82 usefulness, second lead 72 is connected the external high voltage power supply negative pole, by the second circular shaft shape supporting frame 78 voltage is delivered on the ring negative plate 76.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 was static, piston 18 was 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, and during piston 18 motions, electro rheological fluids 15 flows through the roundlet through hole 27 on the piston 18, and electro rheological fluids 15 flows through the roundlet through hole 27 dissipative structure vibrational energies on the piston 18.By the voltage of computer control external high voltage power supply,, reach the effect of ACTIVE CONTROL vibration by changing the viscosity that voltage between positive/negative plate changes electro rheological fluids.

The feature of this no leakage current variant 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 tenth bolt 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 tenth bolt 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 tenth bolt 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 tenth bolt hole 63, the six bolts 49 when tightening, and the 6th bolt 49 compresses the second quadrilateral briquetting 50; On piston 18, about the uniform second roundlet through hole 51 that has of piston 18 axis, all second roundlet through holes 51 are identical to the distance of piston axis, the second roundlet through hole 51 must not be overlapping with the 2nd T shape quadrilateral groove 54, and the second roundlet through hole 51 of such layout just can guarantee when the line of action of making a concerted effort of damp liquid piston 18 suffered damping forces during by the second roundlet through hole 51 and the dead in line of Hollow Cylindrical Shaft 8; 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 7th bolts hole 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 7th bolt 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 7th bolt 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 7th bolt 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 that this no leakage current becomes damper also is to remove simultaneously first coil component spring 9 and second coil component spring 25, is not still effectively had leakage current variant damper.

The feature of this no leakage current variant damper also is to remove first coil component spring 9, is not still effectively had leakage current variant damper.

The feature of this no leakage current variant damper also is to remove second coil component spring 25, is not still effectively had leakage current variant 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.

Each parts of this no leakage current variant 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, Hollow Cylindrical Shaft 8, the first coil component springs 9, the first ring permanent magnetic iron block 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 groove 30, the less annular groove 33 of upper width of annular groove 32, the one T shape annular grooves 30 that the lower width of the 2nd T shape annular groove 31, the one T shape annular grooves 30 is bigger, the annular groove 34 that the upper width of the 2nd T shape annular groove 31 is bigger, 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, ring positive plate 66, ring negative plate 76, cylindrical body 58, the first circular shafts 74, second circular shaft, 82, the first leads 65, the size of second lead 72 and manhole 64; Selected room temperature silicone rubber is as the packing material 75 that not only insulate but also seal; Select white clay/titanium oxide Nano composite granules electro rheological fluids action current variant 15 for use; Selected aluminum alloy is an electrode plate; According to the vibration control requirement, selected first bolt hole, 2, the first bolts 3, first unthreaded hole, 4, the second unthreaded holes, 6, the second bolts hole 7, second bolt, 10, the three bolts hole, 12, the three bolts 17, the 3rd unthreaded hole 19, the four bolts hole 20, the five bolts hole 22, the 6th bolt hole 23, the four unthreaded holes 26, roundlet through hole 27, the 4th bolt 28, the first round tube holes 29, the five unthreaded holes 36, the 8th bolt hole 51, the nine bolts hole 60, the seven bolts 62, the 11 bolt hole 67, the 12 bolt hole 68, the first circular shaft shape supporting frames 69, second round tube hole, 70, the eight bolts, 73, the nine bolts 77, the 3rd round tube hole 79, the second tapped holes 81, the four round tube holes 80, through hole 59, the quantity of first tapped hole, 71, the second circular shaft shape supporting frames 78, the, 13 bolts hole 83 and the 14 bolt hole 84, position and size.For example: after installing at damper, piston 18 is positioned at the installation requirement of the centre of ring positive plate 66 and ring negative plate 76, after damper installs, piston 18 is in the equilibrium of forces state under the acting in conjunction of power such as 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; According to conventional hydraulic equipment requirement, press the external diameter of the selected piston 18 of internal diameter of cylindrical shape oil hydraulic cylinder 14, equally, require to select the diameter of first round tube hole 29 on the piston 18 according to conventional hydraulic equipment by the external diameter of Hollow Cylindrical Shaft 8; 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 the maximum vibration displacement of oscillating body " these two conditions definite, for example when vibration is simple harmonic oscillation, the least significant end of first coil component spring 9 is to the twice of the distance between the most significant end of second coil component spring 25 greater than the maximum vibration displacement of oscillating body, the upper surface of the first circular shaft shape supporting frame 69 is to the twice of the distance between the lower surface of the second circular shaft shape supporting frame 78 greater than the maximum vibration displacement of oscillating body, and the lower surface of ring negative plate 76 is to the twice of the distance between the upper surface of ring positive plate 66 greater than the maximum vibration displacement of oscillating body; Respectively 4 of the selected first circular shaft shape supporting frame 69 and the second circular shaft shape supporting frames 78, after being predefined in the following step and the first circular shaft shape supporting frame 69 and the second circular shaft shape supporting frame 78 are installed are finished, 4 first circular shaft shape supporting frames 69 are uniform about the axis symmetry of Hollow

Cylindrical Shaft

8, and 4 second circular shaft shape supporting frames 78 are uniform about the axis symmetry of Hollow Cylindrical Shaft 8.

Second 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 5th bolt 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 4th bolt 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 4th bolt 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 5th bolt 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 3rd step: the lower end surface of Hollow Cylindrical Shaft 8 is welded on the upper surface of bottom disc flange 24, all must guarantees the axis of bottom disc flange 24 and the dead in line of Hollow Cylindrical Shaft 8 before and after the welding; First circular shaft 74 is inserted in the Hollow Cylindrical Shaft 8, with the axis of first circular shaft 74 and the dead in line of Hollow Cylindrical Shaft 8, the upper-end surface of first circular shaft 74 is flushed with the upper-end surface of Hollow Cylindrical Shaft 8, with the dead in line of the axis and second round tube hole 70 of first tapped hole 71, the threaded end of the first circular shaft shape supporting frame 69 is passed second round tube hole 70 be screwed into first tapped hole 71 and tighten; Ring positive plate 66 is enclosed within on the Hollow Cylindrical Shaft 8, dead in line with the axis and the 12 bolt hole 68 of the 11 bolt hole 67, pass the 11 bolt hole 67 and the 12 bolt hole 68 and tighten with the 8th bolt 73, the ring positive plate 66 and the first circular shaft shape supporting frame 69 are linked together; Second coil component spring 25 is enclosed within on the Hollow Cylindrical Shaft 8, second coil component spring 25 places ring positive plate 66 tops, piston 18 is enclosed within on the Hollow Cylindrical Shaft 8 by first round tube hole 29, piston 18 places the top of second coil component spring 25, one end of second coil component spring 25 is welded on the lower surface of piston 18, the other end of second coil component spring 25 is welded on the bottom of the cylndrical surface of Hollow Cylindrical Shaft 8, that is to say second round tube hole 70 topmost the plane, place above; First coil component spring 9 is enclosed within on the Hollow Cylindrical Shaft 8, first coil component spring 9 is positioned at the top of piston, 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 Hollow Cylindrical Shaft 8, that is to say plane, the 3rd round tube hole 79 least significant end place below; All must guarantee the axis of Hollow Cylindrical Shaft 8, the axis of first circular shaft 74, the axis of ring positive plate 66, 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 4th step: second circular shaft 82 is inserted in the top Hollow Cylindrical Shaft of first circular shaft 74, dead in line with the axis and first circular shaft 74 of second circular shaft 82, upper surface flush with the upper surface and first circular shaft 74 of second circular shaft 82, with the axis of second tapped hole 81 and the axis of the 3rd round tube hole 79, the dead in line of the 4th round tube hole 80, the threaded end of the second circular shaft shape supporting frame 78 is passed the 3rd round tube hole 79 and the 4th round tube hole 80 be screwed into second tapped hole 81 and tighten; Ring negative plate 76 is enclosed within on the Hollow Cylindrical Shaft 8, ring negative plate 76 is positioned at the top of the second circular shaft shape supporting frame 78, dead in line with the axis and the 14 bolt hole 84 of the 13 bolt hole 83, pass the 13 bolt hole 83 and the 14 bolt hole 84 and tighten with the 9th bolt 77, the ring negative plate 76 and the second circular shaft shape supporting frame 78 are linked together; Inject room temperature silicone rubber along the sidewall of Hollow Cylindrical Shaft 8 and the sidewall of first circular shaft, 74 top Hollow Cylindrical Shaft respectively again, when after the cooling of room temperature silicone rubber the air space insulation sealing between the sealing of the air space insulation between the Hollow Cylindrical Shaft 8 and first circular shaft 74 filling, first circular shaft 74 and second circular shaft 82 being filled; Inject room temperature silicone rubber along the gap of hole wall between second round tube hole 70 and the first circular shaft shape supporting frame 69 of second round tube hole 70 again, after the cooling of room temperature silicone rubber, the sealing of the air space insulation between second round tube hole 70 and the first circular shaft shape supporting frame 69 is filled; Hole wall along the 3rd round tube hole 79, room temperature silicone rubber is injected in gap between the 3rd round tube hole 79 and the second circular shaft shape supporting frame 78, after the cooling of room temperature silicone rubber the sealing of the air space insulation between the 3rd round tube hole 79 and the second circular shaft shape supporting frame 78 is filled.

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 round tube hole a, and the diameter of round tube hole a is a bit larger tham the outer diameter (welding conditions are got concrete numerical value routinely) of Hollow Cylindrical Shaft 8, the dead in line of the axis of round tube hole a and disk 13; Axis symmetry about disk 13 is bored roundlet through hole b and roundlet through hole c on disk 13 again, roundlet through hole b and roundlet through hole c axis separately equal half of radius sum of the inside radius of cylindrical shape oil hydraulic cylinder 14 and round tube hole a from the distance of the axis of disk 13, the radius of roundlet through hole b and roundlet through hole c deduct less than the inside radius of cylindrical shape oil hydraulic cylinder 14 round tube hole a radius numerical value 1/2nd.

The 7th step: the 6th step was inserted in the top of Hollow Cylindrical Shaft 8 bore among the round tube 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 Hollow Cylindrical Shaft 8 and disk 13 the 6th the step institute round tube 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 axis of Hollow Cylindrical Shaft 8, the axis of first circular shaft 74 and the dead in line of second circular shaft 82; One end of first lead 65 is welded on first circular shaft, 74 tops; the other end of first lead 65 passes quadrilateral hole logical 86 and links to each other with the external high pressure positive source; one end of second lead 72 is welded on the top of second circular shaft 82; the other end of second lead 72 passes manhole 64 and links to each other with the negative pole of external high pressure power supply, and is stained with the mackintosh protection at weld respectively.

The 8th step: use funnel that white clay/titanium oxide Nano composite granules electrorheological fluid is filled with cylindrical shape oil hydraulic cylinder 14 as electrorheological by the 6th step roundlet through hole b that bores earlier, after observing damp liquid and filled with cylindrical shape oil hydraulic cylinder 14 by roundlet through hole b and roundlet through hole c, the 6th step roundlet through hole b that bores of institute and roundlet through 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 the 3rd bolt 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 second bolt 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 the 3rd bolt hole 12 and to tighten, the threaded end of second bolt 10 is passed second unthreaded hole 6 and is screwed into second bolt 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 leakage current variant 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, Hollow Cylindrical 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, ring positive plate 66, ring negative plate 76, cylindrical body 58, the first circular shafts 74, the size of second circular shaft, 82, the first leads 65, second lead 72 and manhole 64; Selected room temperature silicone rubber is as the embedding packing material 75 that not only insulate but also seal; Select white clay/titanium oxide Nano composite granules electro rheological fluids action current variant 15 for use; Selected aluminum alloy is an electrode plate; According to the vibration control requirement, selected the 5th bolt 39, the first quadrilateral briquetting 40, the first column permanent magnetic iron block 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 7th bolt 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, the second roundlet through holes 51, first 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 six bolts hole 23, the eight bolts hole 51, the 9th bolt hole 60, the 7th bolt 62, the ten bolts hole 63, the 11 bolts hole 67, the 12 bolt hole 68, the first circular shaft shape supporting frame, 69, the second round tube holes, 70, the eight bolts 73, the 9th bolt 77, the 3rd round tube hole 79, the second tapped holes 81, the four round tube holes 80, first tapped hole 71, the second circular shaft shape supporting frame 78, the quantity of through hole 59, the 13 bolts hole 83 and the 14 bolt hole 84, position and size.For example: after installing at damper, piston 18 is positioned at the centre of ring positive plate 66 and ring negative plate 76, after damper installs, piston 18 is in the equilibrium of forces state under the acting in conjunction of power such as 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; According to conventional hydraulic equipment requirement, press the external diameter of the selected piston 18 of internal diameter of cylindrical shape oil hydraulic cylinder 14, equally, require to select the diameter of first round tube hole 29 on the piston 18 according to conventional hydraulic equipment by the external diameter of Hollow Cylindrical Shaft 8; 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 is simple harmonic oscillation, the least significant end of first coil component spring 9 is to the twice of the distance between the most significant end of second coil component spring 25 greater than the maximum vibration displacement of oscillating body, the upper surface of the first circular shaft shape supporting frame 69 is to the twice of the distance between the lower surface of the second circular shaft shape supporting frame 78 greater than the maximum vibration displacement of oscillating body, and the lower surface of ring negative plate 76 is to the twice of the distance between the upper surface of ring positive plate 66 greater than the maximum vibration displacement of oscillating body; Respectively 4 of the selected first circular shaft shape supporting frame 69 and the second circular shaft shape supporting frames 78, after being predefined in the following step and the first circular shaft shape supporting frame 69 and the second circular shaft shape supporting frame 78 are installed are finished, 4 first circular shaft shape supporting frames 69 are uniform about the axis symmetry of Hollow Cylindrical Shaft 8, and 4 second circular shaft shape supporting frames 78 are uniform about the axis symmetry of Hollow Cylindrical Shaft 8.

Second 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 tenth bolt 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 tenth bolt hole 63 and tighten, when the 6th bolt 49 was tightened, the 6th bolt 49 compressed the second quadrilateral briquetting 50.

The 7th step: the 6th step was inserted in the top of Hollow Cylindrical Shaft 8 bore among the round tube 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 Hollow Cylindrical Shaft 8 and disk 13 the 6th the step institute round tube 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 axis of Hollow Cylindrical Shaft 8, the axis of first circular shaft 74 and the dead in line of second circular shaft 82; One end of first lead 65 is welded on first circular shaft, 74 tops; the other end of first lead 65 passes quadrilateral hole logical 86 and extremely links to each other with external high pressure power supply card; one end of second lead 72 is welded on the top of second circular shaft 82; the other end of second lead 72 passes manhole 64 and links to each other with the negative pole of external high pressure power supply, and is stained with the mackintosh protection at weld respectively.

The 8th step: use funnel that white clay/titanium oxide Nano composite granules electrorheological fluid is filled with cylindrical shape oil hydraulic cylinder 14 by the 6th step roundlet through hole b that bores earlier, after observing damp liquid and filled with cylindrical shape oil hydraulic cylinder 14 by roundlet through hole b and roundlet through hole c, the 6th step roundlet through hole b that bores of institute and roundlet through 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 7th bolt 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 7th bolt hole 44 and tighten, when the 5th bolt 39 was tightened, the 5th bolt 39 compressed ring briquetting 40.

In aforementioned process, only remove first coil component spring 9 and second coil component spring 25 simultaneously, still effectively do not had leakage current variant damper; Similarly, in aforementioned process, only remove first coil component spring 9, still effectively do not had leakage current variant damper; Equally, in aforementioned process, only be to remove second coil component spring 25, still effectively do not had leakage current variant damper.

So far just can realize the present invention.

Claims

1. no leakage current variant damper, it is characterized in that: this no leakage current variant damper comprises: disk (13), the bottom disc flange (24) that is oppositely arranged with disk (13), disk (13) and bottom disc flange (24) there is not the oil hydraulic cylinder (14) that leakage is connected, be provided with the disc flange (1) of the 5th unthreaded hole (36), two ends with opening have the cylinder of disc flange (52), there is upper end disc flange (37) upper end that two ends have the cylinder (52) of disc flange, there is lower end disc flange (38) lower end that two ends have the cylinder (52) of disc flange, and two ends have on the side cylindrical shell of cylinder (52) of disc flange and have manhole (64);

Bottom disc flange (24), disk (13) and oil hydraulic cylinder (14) are formed closed no leakage space, electro rheological fluids (15) is full of this closed no leakage space, oil hydraulic cylinder (14) 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 leakage current variant damper also comprises piston (18), Hollow Cylindrical Shaft (8), positive plate (66), first supporting frame (69), negative plate (76), second supporting frame (78), second permanent magnetic iron block (48), first circular shaft (74) and second circular shaft (82) along oil hydraulic cylinder (14) axial motion;

This piston (18) is positioned at the middle part of oil hydraulic cylinder (14), piston (18) circle centre position is provided with first round tube hole (29), Hollow Cylindrical Shaft (8) is passed first round tube hole (29), Hollow Cylindrical Shaft (8) lower end surface does not have leakage with bottom disc flange (24) and is connected, the upper-end surface of Hollow Cylindrical 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 Hollow Cylindrical Shaft (8), second permanent magnetic iron block (48) is arranged on piston (18) inside;

Same circumference along Hollow Cylindrical Shaft (8) lower external face is evenly equipped with second round tube hole (70), the orthogonal axe of the axis of second round tube hole (70) and Hollow Cylindrical Shaft (8), same circumference along the top of Hollow Cylindrical Shaft (8) outer surface is evenly equipped with the 3rd round tube hole (79), the orthogonal axe of the axis of the 3rd round tube hole (79) and Hollow Cylindrical Shaft (8), it is hollow to be with top in the Hollow Cylindrical Shaft (8), first circular shaft (74) that the bottom is solid, same circumference along first circular shaft (74) outer surface of upper is evenly equipped with the 4th round tube hole (80), the orthogonal axe of the axis of the 4th round tube hole (80) and Hollow Cylindrical Shaft (8), the dead in line of the 3rd round tube hole (79) and the 4th round tube hole (80), the length of first circular shaft (74) is less than the length of Hollow Cylindrical Shaft (8), the lower end surface of first circular shaft (74) is higher than the lower end surface of Hollow Cylindrical Shaft (8), the upper-end surface of first circular shaft (74) flushes with the upper-end surface of Hollow Cylindrical Shaft (8), be with second circular shaft (82) in the top hollow shaft of first circular shaft (74), second circular shaft (82) length is less than the length of the top Hollow Cylindrical Shaft of first circular shaft (74), and the top of second circular shaft (82) flushes with the top of first circular shaft (74);

Positive plate (66) is positioned on the upper surface of bottom disc flange (24), link to each other with an end of first supporting frame (69), the other end of first supporting frame (69) passes second round tube hole (70) and links to each other with first circular shaft (74), negative plate (76) is positioned under the lower surface of disk (13), be connected with an end of second supporting frame (78), the other end of second supporting frame (78) passes the 3rd round tube hole (79) and links to each other with second circular shaft (82) with the 4th round tube hole (80), first circular shaft (74) top is passed manhole (64) by first lead (65) and is linked to each other with external power supply is anodal, and the top of second circular shaft (82) is passed manhole (64) by second lead (72) and linked to each other with the external power supply negative pole;

The upper surface of negative plate (76) does not contact with the lower surface of disk (13), the lower surface of positive plate (66) does not contact with the upper surface of bottom disc flange (24), positive plate (66) does not all contact with oil hydraulic cylinder (14), Hollow Cylindrical Shaft (8) with negative plate (76), positive plate (66) only contacts with electro rheological fluids (15) with first supporting frame (69), and negative plate (76) only contacts with electro rheological fluids (15) with second supporting frame (78); First supporting frame (69) does not contact with Hollow Cylindrical Shaft (8); First supporting frame (69) does not contact with bottom disc flange (24), second supporting frame (78) does not contact with Hollow Cylindrical Shaft (8), and the packing material insulated enclosure is used in the space between the space between the space between the space between the space between first supporting frame (69) and Hollow Cylindrical Shaft (8), second supporting frame (78) and Hollow Cylindrical Shaft (8), second supporting frame (78) and first circular shaft (74), first circular shaft (74) and Hollow Cylindrical Shaft (8), first circular shaft (74) and second circular shaft (82) respectively.

2. no leakage current variant damper according to claim 1 is characterized in that: two ends have the axis of the cylinder (52) of disc flange, the axis of Hollow Cylindrical Shaft (8), the axis of piston (18), the axis of bottom disc flange (24), the axis of first round tube hole (29), the axis of first circular shaft (74), the axis of second circular shaft (82), the axis of positive plate (66), the axis of negative plate (76), the axis of first supporting frame (69), the axis of second supporting frame (78), the axis of oil hydraulic cylinder (14) and the dead in line of disc flange (1).

3. no leak fluid damper according to claim 1, it is characterized in that: 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 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 Hollow Cylindrical Shaft (8), and second spring (25) is to the line of action of making a concerted effort of the active force of piston (18) and the dead in line of Hollow Cylindrical Shaft (8).

5. 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 Hollow Cylindrical 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 Hollow Cylindrical Shaft (8); This first spring (9) is to the line of action of making a concerted effort of the active force of piston (18) and the dead in line of Hollow Cylindrical Shaft (8); Second spring (25) is to the line of action of making a concerted effort of the active force of piston (18) and the dead in line of Hollow Cylindrical Shaft (8).

6. according to the arbitrary described no leakage current variant damper of claim 1 to 6, it is characterized in that: also comprise the 3rd spring (61) in this no leak fluid damper, 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).