CN203130892U - Gap-splitting cylinder single-rod-out magneto-rheological damper - Google Patents
Gap-splitting cylinder single-rod-out magneto-rheological damper Download PDFInfo
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- CN203130892U CN203130892U CN 201320061807 CN201320061807U CN203130892U CN 203130892 U CN203130892 U CN 203130892U CN 201320061807 CN201320061807 CN 201320061807 CN 201320061807 U CN201320061807 U CN 201320061807U CN 203130892 U CN203130892 U CN 203130892U
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- clutch release
- slave cylinder
- release slave
- piston
- slip damping
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Abstract
The utility model discloses a gap-splitting cylinder single-rod-out magneto-rheological damper. The gap-splitting cylinder single-rod-out magneto-rheological damper comprises a piston, a piston rod, a working cylinder and a compensation bag, wherein the working cylinder is composed of a working cylinder body, two same sliding damping blocks, a regulating threaded rod and two end covers, wherein the vertical section of an inner cavity of the working cylinder is composed of a rectangle and two semi-circles, two symmetrical short sides of the rectangle are respectively externally connected with one semi-circle which takes the short side of the rectangle as the diameter, two symmetrical grooves which penetrate through the working cylinder body are formed in two long sides of the vertical section of the working cylinder body in the axial direction, the two sliding damping blocks are arranged in the grooves, one end of the regulating threaded rod penetrates through threaded through holes of the sliding damping blocks and is installed on one end cover inside the working cylinder, the other end of the regulating threaded rod penetrates through a regulating hole in the other end cover and stretches out of the working cylinder, the shape of the vertical section of the piston is completely the same as the shape of the vertical section of the inner cavity of the working cylinder, a magneto-rheological fluid flowing gap is reserved between the outer circumferential wall of the piston and the inner circumferential wall of the working cylinder, and magnet exciting coils are wound in the middle of the piston.
Description
Technical field
The utility model belongs to a kind of MR damper, is specifically related to a kind of crack cylinder single outstretch pole magnetorheological damper.
Background technique
MR damper is a kind of intelligent vibration damping device, the structure of common MR damper is that piston is installed in clutch release slave cylinder, and in clutch release slave cylinder, be filled with magnetic flow liquid, adjust the electromagnetic field intensity that is applied to magnetic flow liquid in the clutch release slave cylinder by the control power supply, the viscosity of magnetic flow liquid in the clutch release slave cylinder is changed, thereby make the magnetic flow liquid in the clutch release slave cylinder when the working clearance that is pressed through between piston periphery wall and the clutch release slave cylinder inner circle wall, can obtain different damping forces, working clearance in this class MR damper between piston and the clutch release slave cylinder is constant, the size of its damping force can only be regulated by the control power supply, the regulation range of its damping force is difficult to enlarge, and crack of the present utility model cylinder single outstretch pole magnetorheological damper not only can be regulated its damping force by the control power supply, can also be by the gap width between slip damping fin and the trapezoidal groove on the adjustment clutch release slave cylinder, the size of the damp channel that the magnetic flow liquid in the clutch release slave cylinder flows is changed, and the damping force when making its work obtain bigger expansion.
Summary of the invention
Can not regulate at the working clearance between piston periphery wall in the common MR damper and the clutch release slave cylinder inner circle wall, the deficiency that makes its damping force regulation range be difficult to enlarge, the utility model proposes a kind of novel MR damper, that is: a kind of crack cylinder single outstretch pole magnetorheological damper, the technical solution of the utility model is as follows:
A kind of crack cylinder single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder and compensation air bag, clutch release slave cylinder wherein is by the clutch release slave cylinder body, two identical slip damping blocks, adjust screw rod and two end caps formations, the longitudinal plane of clutch release slave cylinder chamber body be rectangular two symmetrical minor faces respectively external one be that the semicircle of diameter constitutes with the rectangular minor face, groove at the perforation clutch release slave cylinder body that two symmetries are axially arranged on two long limits of clutch release slave cylinder body longitudinal plane, groove is isosceles trapezoid axially the clutch release slave cylinder body, two slip damping blocks are installed in respectively in two grooves of clutch release slave cylinder body, the shape of slip damping block and the shape of groove are identical, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block equates with the width on the narrow limit of groove, the length of slip damping block is less than the length of groove, also has a tapped through hole at the length direction of slip damping block; Adjust the length of screw rod greater than the length of slip damping block, the tapped through hole that an end of adjustment screw rod passes the slip damping block is installed on the interior end cap of clutch release slave cylinder, and stretch out in clutch release slave cylinder in the adjustment hole that the other end of adjustment screw rod passes on another end cap; Two end caps are separately fixed at the two ends of clutch release slave cylinder body, there is center hole at the center of an end cap therein, seal arrangement and sliding bearing are installed in center hole, also respectively have one to adjust the hole at the two ends of center hole, in adjusting the hole, seal arrangement and bearing are installed; The longitudinal plane shape of piston and the longitudinal plane shape of clutch release slave cylinder inner chamber are identical, the longitudinal plane area of piston is less than the longitudinal plane area of clutch release slave cylinder, be wound with field coil at the piston middle part, outside field coil, add protective layer, protective layer flushes with the outer surface of piston, leaves the mobile gap of magnetic flow liquid between piston periphery wall and clutch release slave cylinder inner circle wall; Piston rod has central through bore, and an end and the piston of piston rod are fixed, and the other end of piston rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of clutch release slave cylinder one end, and the lighting outlet of field coil leads to outside the clutch release slave cylinder by the central through bore of piston rod; The compensation air bag is fixed on the bottom in the clutch release slave cylinder; Piston is installed in the clutch release slave cylinder, has been full of magnetic flow liquid in clutch release slave cylinder, and clutch release slave cylinder and slip damping block all adopt permeability magnetic material to constitute.
After having taked technique scheme, make the working clearance between clutch release slave cylinder inner carrier and the clutch release slave cylinder change into a variable from a definite value, crack of the present utility model cylinder single outstretch pole magnetorheological damper is not when adjusting the position of slip damping block, and is similar with the working condition of common MR damper; When adjusting screw rod and adjust diverse location at the clutch release slave cylinder trapezoidal groove of two slip damping blocks on the clutch release slave cylinder, can form the passage that four magnetic flow liquids flow at axial (that is: on the flow direction at magnetic flow liquid) of clutch release slave cylinder inner circle wall (that is: two of clutch release slave cylinder planes), therefore, can be by the gap width between slip damping block and the trapezoidal groove on the adjustment clutch release slave cylinder, make the magnetic flow liquid in the clutch release slave cylinder not only can be along the Clearance Flow between piston periphery wall and the clutch release slave cylinder inner circle wall, but also can be by the channel flow between slip damping block and the trapezoidal groove on the clutch release slave cylinder, increased the flow channel of magnetic flow liquid in the clutch release slave cylinder thus, because clutch release slave cylinder body and slip damping block are made of permeability magnetic material, so, the intensity maximum of the electromagnetic field in the gap between piston periphery wall and the clutch release slave cylinder inner circle wall, make the magnetic flow liquid that flows along clutch release slave cylinder inner circle wall axial passage also will be subjected to the effect that piston generates an electromagnetic field, make the adjustment range of the work damping force of crack cylinder single outstretch pole magnetorheological damper obtain expanding.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model, also is the schematic representation of slip damping block when the home position.
Fig. 2 be Fig. 1 A-A to sectional view.
Fig. 3 be among Fig. 1 clutch release slave cylinder B-B to sectional view.
Schematic representation when Fig. 4 is the utility model work also is the schematic representation after the slip damping block leaves the home position.
Fig. 5 be Fig. 4 A-A to sectional view.
Fig. 6 be among Fig. 4 clutch release slave cylinder B-B to sectional view.
Fig. 7 is the schematic representation when the slip damping block on the clutch release slave cylinder is adjusted to maximum position in the utility model.
Fig. 8 be Fig. 7 A-A to sectional view.
Fig. 9 be among Fig. 7 clutch release slave cylinder B-B to sectional view.
Embodiment
Describe structure of the present utility model in detail below in conjunction with accompanying drawing:
Referring to Fig. 1, Fig. 2, Fig. 3, this is a kind of concrete structure of the present utility model, a kind of crack cylinder single outstretch pole magnetorheological damper, and it comprises clutch release slave cylinder 1, piston 9, piston rod 17 and compensation air bag 22; Wherein: clutch release slave cylinder 1 is by clutch release slave cylinder body 1, two identical slip damping blocks 2, adjust screw rod 3, end cap 23 and end cap 13 constitute, the longitudinal plane of clutch release slave cylinder body 1 inner chamber that is constituted by permeability magnetic material be two symmetrical minor face AD of rectangular ABCD and BC respectively external one be that the semicircle R1 of diameter constitutes with rectangular minor face AD or BC, groove 10 at the perforation clutch release slave cylinder body 1 that two symmetries are axially arranged of two long limit AB of clutch release slave cylinder body 1 longitudinal plane and CD, groove 10 is isosceles trapezoid axially clutch release slave cylinder body 1, two slip damping blocks 2 that are made of permeability magnetic material are installed in respectively in two grooves 10, the shape of the shape of slip damping block 2 and groove 10 is identical, the thickness of slip damping block 2 is identical with the degree of depth of groove 10, the width on the narrow limit of slip damping block 2 equates that with the width on the narrow limit of groove 10 length of slip damping block 2 is less than the length of groove 10; Slip damping block 2 has a tapped through hole 5 at length direction, adjust the length of screw rod 3 greater than the length of slip damping block 2, the tapped through hole 5 that one end of adjustment screw rod 3 passes slip damping block 2 is installed on the bearing 24 of clutch release slave cylinder 1 inner end cap 23, and stretch out in clutch release slave cylinder 1 in the adjustment hole 12 that the other end of adjustment screw rod 3 passes on the end cap 13; End cap 23 and end cap 13 are separately fixed at the two ends of clutch release slave cylinder body 1, at the center of end cap 13 center hole 31 is arranged, seal arrangement 14 and sliding bearing 15 are installed in center hole 31, also respectively there is one to adjust hole 12 at the two ends of end cap 13 center holes 31, in adjusting hole 12, seal arrangement and bearing 11 is installed; The longitudinal plane shape of the longitudinal plane shape of piston 9 and clutch release slave cylinder 1 inner chamber is identical, the longitudinal plane area of piston 9 is less than the longitudinal plane area of clutch release slave cylinder 1, be wound with field coil 8 at piston 9 middle parts, outside field coil 8, add protective layer 7, protective layer 7 flushes with the outer surface of piston 9, leaves magnetic flow liquid 4 flow clearance 6 between piston 9 periphery walls and clutch release slave cylinder 1 inner circle wall; One end of piston rod 17 is fixed on an end of piston 9, the other end of piston rod 17 stretches out from the end in the clutch release slave cylinder 1 by seal arrangement 14 and the sliding bearing 15 of clutch release slave cylinder 1 one ends, and piston rod 17 has central through bore 16, the central through bore 16 of the lighting outlet 18 of field coil 8 by piston rod 17 lead to clutch release slave cylinder 1 outer with control power supply 19 and be connected, compensation air bag 22 is fixed on the bottom in the clutch release slave cylinder 1, in compensation air bag 22, charged into the gas 21 of certain pressure, piston 9 is installed in the clutch release slave cylinder 1, has been full of magnetic flow liquid 4 in clutch release slave cylinder 1.
Crack cylinder single outstretch pole magnetorheological damper working condition is such: referring to Fig. 1 to Fig. 6, when the slip damping block 2 of crack of the present utility model cylinder single outstretch pole magnetorheological damper be in the home position time (seeing for details: Fig. 1 to Fig. 3), crack cylinder single outstretch pole magnetorheological damper can be adjusted the damping force of its output by control power supply 19 in good time, and the working condition of the crack cylinder single outstretch pole magnetorheological damper of this moment and common single outstretch pole magnetorheological damper is similar.
When adjusting screw rod 3 and regulate diverse location at clutch release slave cylinder 1 upper trapezoid groove 10 of two slip damping blocks 2 on the clutch release slave cylinders 1, the passage 26(that can flow at four magnetic flow liquids of axial formation of the inner circle wall of clutch release slave cylinder 1 sees for details: Fig. 4 to Fig. 6), therefore, can be by gap 26 width between slip damping block 2 and the trapezoidal groove 10 on the adjustment clutch release slave cylinder 1, magnetic flow liquid 4 in the clutch release slave cylinder 1 not only can be flowed along the gap 6 between piston 9 periphery walls and clutch release slave cylinder 1 inner circle wall, but also can flow by the passage 26 between slip damping block 2 on the clutch release slave cylinder 1 and the trapezoidal groove 10, increased the flow channel of magnetic flow liquid 4 in the clutch release slave cylinder 1 thus, because clutch release slave cylinder body 1 and slip damping block 2 are made of permeability magnetic material, so, the intensity maximum of the electromagnetic field in the gap 6 between piston 9 periphery walls and clutch release slave cylinder 1 inner circle wall, make the magnetic flow liquid 4 that flows along clutch release slave cylinder 1 inner circle wall axial passage 26 also will be subjected to the effect that piston 9 generates an electromagnetic field, make the adjustment range of the work damping force of crack cylinder single outstretch pole magnetorheological damper obtain expanding.
Claims (2)
1. crack cylinder single outstretch pole magnetorheological damper, it comprises piston, piston rod, clutch release slave cylinder and compensation air bag, it is characterized in that: described clutch release slave cylinder is by the clutch release slave cylinder body, two identical slip damping blocks, adjust screw rod and two end caps formations, the longitudinal plane of clutch release slave cylinder chamber body be rectangular two symmetrical minor faces respectively external one be that the semicircle of diameter constitutes with the rectangular minor face, groove at the perforation clutch release slave cylinder body that two symmetries are axially arranged on two long limits of clutch release slave cylinder body longitudinal plane, groove is isosceles trapezoid axially the clutch release slave cylinder body, two slip damping blocks are installed in respectively in two grooves of clutch release slave cylinder body, the shape of slip damping block and the shape of groove are identical, the thickness of slip damping block is identical with the degree of depth of groove, the width on the narrow limit of slip damping block equates with the width on the narrow limit of groove, the length of slip damping block is less than the length of groove, also has a tapped through hole at the length direction of slip damping block; Adjust the length of screw rod greater than the length of slip damping block, the tapped through hole that an end of adjustment screw rod passes the slip damping block is installed on the interior end cap of clutch release slave cylinder, and stretch out in clutch release slave cylinder in the adjustment hole that the other end of adjustment screw rod passes on another end cap; Two end caps are separately fixed at the two ends of clutch release slave cylinder body, there is center hole at the center of an end cap therein, seal arrangement and sliding bearing are installed in center hole, also respectively have one to adjust the hole at the two ends of center hole, in adjusting the hole, seal arrangement and bearing are installed; The longitudinal plane shape of described piston and the longitudinal plane shape of clutch release slave cylinder inner chamber are identical, the longitudinal plane area of piston is less than the longitudinal plane area of clutch release slave cylinder, be wound with field coil at the piston middle part, outside field coil, add protective layer, protective layer flushes with the outer surface of piston, leaves the mobile gap of magnetic flow liquid between piston periphery wall and clutch release slave cylinder inner circle wall; Described piston rod has central through bore, and an end and the piston of piston rod are fixed, and the other end of piston rod stretches out in clutch release slave cylinder by seal arrangement and the sliding bearing of clutch release slave cylinder one end, and the lighting outlet of field coil leads to outside the clutch release slave cylinder by the central through bore of piston rod; Described compensation air bag is fixed on the bottom in the clutch release slave cylinder; Described piston is installed in the clutch release slave cylinder, has been full of magnetic flow liquid in clutch release slave cylinder.
2. a kind of crack as claimed in claim 1 cylinder single outstretch pole magnetorheological damper, it is characterized in that: described clutch release slave cylinder and slip damping block adopt permeability magnetic material to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061807 CN203130892U (en) | 2013-02-04 | 2013-02-04 | Gap-splitting cylinder single-rod-out magneto-rheological damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061807 CN203130892U (en) | 2013-02-04 | 2013-02-04 | Gap-splitting cylinder single-rod-out magneto-rheological damper |
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| Publication Number | Publication Date |
|---|---|
| CN203130892U true CN203130892U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320061807 Expired - Fee Related CN203130892U (en) | 2013-02-04 | 2013-02-04 | Gap-splitting cylinder single-rod-out magneto-rheological damper |
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| Country | Link |
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| CN (1) | CN203130892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089906A (en) * | 2013-02-04 | 2013-05-08 | 谢宁 | Crack cylinder single-out rod magneto-rheological damper |
-
2013
- 2013-02-04 CN CN 201320061807 patent/CN203130892U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089906A (en) * | 2013-02-04 | 2013-05-08 | 谢宁 | Crack cylinder single-out rod magneto-rheological damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140204 |