CN103322113A - Controllable torque device based on magnetorheological materials - Google Patents

Controllable torque device based on magnetorheological materials Download PDF

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Publication number
CN103322113A
CN103322113A CN2013102851028A CN201310285102A CN103322113A CN 103322113 A CN103322113 A CN 103322113A CN 2013102851028 A CN2013102851028 A CN 2013102851028A CN 201310285102 A CN201310285102 A CN 201310285102A CN 103322113 A CN103322113 A CN 103322113A
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China
Prior art keywords
controllable
magnetorheological materials
torque
magnetorheological
advancing
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Granted
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CN2013102851028A
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Chinese (zh)
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CN103322113B (en
Inventor
廖昌荣
李祝强
周治江
文娟
鞠锐
谢磊
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Chongqing University
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Chongqing University
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Priority to CN201310213055.6 priority
Priority to CN2013102130556 priority
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Priority to CN201310285102.8A priority patent/CN103322113B/en
Publication of CN103322113A publication Critical patent/CN103322113A/en
Application granted granted Critical
Publication of CN103322113B publication Critical patent/CN103322113B/en
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Abstract

The invention provides a controllable torque device based on magnetorheological materials. The controllable torque device comprises a propelling device, a controllable buffer device and a magnetorheological material return pipe. The propelling device is provided with a spiral passage inside. A multi-stage annular damping passage is formed in the controllable buffer device. When the propelling device operates, the magnetorheological materials in the spiral passage is pushed into the multi-stage annular damping passage, then the magnetorheological materials flow back to the spiral passage through the magnetorheological material return pipe, and a magnetorheological loop is formed. By the controllable torque device, effective length of the damping passage is increased, high damping force can be output, and buffer requirements under high-speed and large impacts can be satisfied.

Description

Torque-controllable device based on magnetorheological materials
Technical field
The present invention relates to the buffer technology field, relate in particular to a kind of torque-controllable device based on magnetorheological materials.
Background technique
Buffering refers to: relax its mechanical vibration when apparatuses such as vehicle, aerospace equipment, heavy machinery or weapons is subject to high speed impact, makes its stressed mild process.In practice, there is impact situation miscellaneous, such as: aircraft landing, firearms emission, elevator tenesmus, the motion of machine tool component fast reciprocating etc., these impact situation all can make machinery be subject to very large impact, the component of machinery can produce very large dynamic stress, even might directly cause damage of components, therefore when machinery is subject to impacting, be necessary to take impact mitigation measure.In the prior art, the magnetic flow liquid buffer is a kind of novel intelligent device, and its damping force size can be regulated by control field coil size of current, therefore has very widely application area.But, existing magnetic flow liquid buffer all is that damp channel is arranged on the gap location of clutch release slave cylinder and piston and is form of straight lines, the damp channel effective length of its formation is very short, the damping force of output is very little, the damping force regulation range is little, is difficult to satisfy the buffering requirement under high speed, the macro-energy impact.
Summary of the invention
In view of this, the invention provides a kind of torque-controllable device based on magnetorheological materials.Can improve the effective length of damp channel, export large damping force, satisfy the buffering requirement under high speed, the macro-energy impact.
Torque-controllable device based on magnetorheological materials provided by the invention, comprise: advancing means, controllable buffer apparatus and magnetorheological materials reflow pipe, be provided with helical duct in the described advancing means, be provided with the multi-stage annular damp channel in the described controllable buffer apparatus, when described advancing means work, described advancing means is clamp-oned the magnetorheological materials in the described helical duct in the described multi-stage annular damp channel, and be back in the described helical duct through described magnetorheological materials reflow pipe, form magnetorheological loop.
Further, described advancing means comprises: shell and with the running shaft of helical tooth, described shell comprises: inner chamber and the throttling nose end and the round end that arrange vertically, described running shaft is arranged at and forms described helical duct in the described inner chamber, described throttling nose end is provided with throttle orifice, described throttle orifice is communicated with described inner chamber and described multi-stage annular damp channel, described round end has been disposed radially the magnetorheological materials flow channel, and described magnetorheological materials flow channel is communicated with described magnetorheological materials reflow pipe and described inner chamber.
Further, the structure of described inner chamber is cylinder type or boss type, and corresponding, the structure of described running shaft is cylinder type or boss type.
Further, described advancing means also comprises: it is distolateral that supports end cap, described supports end cap are positioned at the rotation of described shell, and be fixed on the described round end, and described supports end cap is by seal ring and the described running shaft of bearings.
Further, described controllable buffer apparatus comprises: oil cylinder, at least a slice center isolating plate and a slice annulus isolating plate at least, described center isolating plate and annulus isolating plate arrange along described oil cylinder inner wall axially spaced-apart and form described multi-stage annular damp channel.
Further, described controllable buffer apparatus also comprises: the field coil that is arranged at described oil cylinder outer wall, the controllable electric power that is electrically connected with described field coil, the controller of the output current that is connected with described controllable electric power, be used for controlling described controllable electric power, and the pressure transducer of control foundation is provided for detection of described oil cylinder internal pressure information, for described controller.
Further, described magnetorheological materials comprises: magneto-rheological grease or magnetic flow liquid.
Further, also comprise: cylinder, clutch and the drag-line that is connected with load, an end of described cylinder is connected with running shaft in the described advancing means by clutch, is used for driving described running shaft and rotates, and described drag-line is wound in described rolling on.
Beneficial effect of the present invention:
The torque-controllable device of the embodiment of the invention, the structure that adopts advancing means and controllable buffer apparatus to combine, and owing to being provided with helical duct in the advancing means, be provided with the multi-stage annular damp channel in the controllable buffer apparatus, when advancing means is worked, magnetorheological materials in the helical duct is clamp-oned in the multi-stage annular damp channel, and be back in the helical duct through the magnetorheological materials reflow pipe, therefore increased significantly the effective length of damp channel, so that the torque-controllable device can be exported very large damping force, satisfy fully at a high speed, buffering requirement under macro-energy is impacted.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the embodiment's of the torque-controllable device based on magnetorheological materials provided by the invention structural representation.
Embodiment
Please refer to Fig. 1, is the embodiment's of the torque-controllable device based on magnetorheological materials provided by the invention structural representation.This torque-controllable device comprises: advancing means 1, controllable buffer apparatus 2 and magnetorheological materials reflow pipe 3.
In advancing means 1, be provided with helical duct 11, be provided with multi-stage annular damp channel 21 in the controllable buffer apparatus 2.When advancing means 1 work, the Driving force that it produces, magnetorheological materials in the helical duct 11 is clamp-oned in the multi-stage annular damp channel 21, magnetorheological materials in the inflow multi-stage annular damp channel 21 is under the effect of Driving force, in magnetorheological materials reflow pipe 9, be back in the helical duct, form magnetorheological loop.
Preferably, the magnetorheological materials of helical duct 11, multi-stage annular damp channel 21 and the 3 interior fillings of magnetorheological materials reflow pipe can be the magnetic flow moving medium of magnetic flow liquid or magneto-rheological grease or other form well known to those skilled in the art.Magnetic flow liquid is by high magnetic permeability, the small soft magnetic particles of low magnetic hysteresis and the suspension that non-magnetic liquid mixes.It leaves standstill for a long time and can produce settlement issues, greatly reduces magnetic rheology effect.Magneto-rheological grease is brand-new controlled fluid material, its carrier fluid adopts silicon level viscoelastic fluid, temperature accommodation wide (70 ° to 230 °), shear yield stress can reach 120 kPas, response time is about 50 milliseconds, magnetic control viscosity regulation range wide (approximately 15 to 20 times), compressible 10% to 15% in plus load effect lower volume, and sedimentation does not occur for a long time.
The present embodiment, the multi-stage annular damp channel 21 of the helical duct 11 of advancing means 1 interior setting and controllable buffer apparatus 2 interior settings all has long magnetorheological runner, both cooperate, can improve significantly the effective length of damp channel, so that the very large damping force of torque-controllable device output satisfies the buffering requirement under high speed, the macro-energy impact.Simultaneously, in the present embodiment, form magnetorheological loop by magnetorheological materials reflow pipe 9, therefore do not need to add the magnetorheological materials storage device, make the structure of torque-controllable device more simple.
Continue as shown in Figure 1, advancing means 1 mainly comprises: shell 12 and running shaft 13.Wherein, throttling nose end 15 and round end 16 that shell 12 has an inner chamber 14 and arranges vertically, throttling nose end 15 and round end 16 are positioned at the relative both sides of inner chamber 14, and integrally formed with inner chamber.Running shaft 13 is with helical tooth, and it is arranged in the inner chamber 14, and inner chamber 14 is divided into a plurality of spiral connections cabin, and these spiral connection cabins have formed the helical duct 11 that flows for magnetorheological materials.Be provided with throttle orifice I17 in the throttling nose end 15, this throttle orifice I17 is communicated with inner chamber 14 and multi-stage annular damp channel 21.Round end 16 has been disposed radially magnetorheological materials flow channel 18, and magnetorheological materials flow channel 18 is communicated with magnetorheological materials reflow pipe 3 and inner chamber 14.
Further, advancing means 1 also comprises: supports end cap 19.Supports end cap 19 is positioned at round end 16 1 sides of shell 12, and is fixed on the round end 16 in modes such as bolts, and supports end cap 6 is by seal ring and bearings running shaft 13.
Further, the structure of inner chamber 14 according to demand varying in size of Driving force and be set to corresponding shape, for example: cylinder type or boss type.Accordingly, the structure of running shaft 13 also can be cylinder type or boss type.Preferably, the shape of inner chamber 14 and running shaft 13 is boss type, to increase the damping force of 14 pairs of running shaft 13 thrusts of inner chamber, namely reaches the purpose that improves damping force by the shape that changes inner chamber 14 and running shaft 13.
Continue as shown in Figure 1, controllable buffer apparatus 2 comprises: oil cylinder 22, at least a slice center isolating plate 23 and a slice annulus isolating plate 24 at least.Center isolating plate 23 and annulus isolating plate 24 arrange along oil cylinder 22 inwall axially spaced-aparts, and oil cylinder 22 is separated into the cabin that a plurality of orders are communicated with, and these cabins have formed multi-stage annular damp channel 21.And an end of multi-stage annular damp channel 21 is communicated with the inner chamber 14 of advancing means 1, and the other end is communicated with magnetorheological materials reflow pipe 9.Be provided with throttle orifice II26 at oil cylinder 22, multi-stage annular damp channel 21 communicates with magnetorheological materials reflow pipe 3 by this throttle orifice II26.
Further, controllable buffer apparatus 2 also comprises: shell 25.Shell 25 can be made by low carbon steel high by permeability and that saturation intensity is high.Shell 25 is wrapped in oil cylinder 22 wherein.
Further, controllable buffer apparatus 2 also comprises: field coil 27.Field coil 27 by the size of current that flows through in the control field coil 27, can be regulated the magnetic intensity in the oil cylinder 22 between the outer side wall and shell 25 of oil cylinder 22, reach the purpose of damping adjusting power.For the ease of the electric current that flows through in the control field coil 27, controllable buffer apparatus 2 also comprises: the controllable electric power 28 that is electrically connected with field coil 27,28 that be connected with controllable electric power, as to be used for the output current of control controllable electric power 28 controller 29, with be arranged in the oil cylinder 22, for detection of the pressure transducer 20 of oil cylinder 22 internal pressure information as the control foundation of controller 29.Concrete, pressure transducer 20 detects in-oil cylinder pressure information and propagation controller 29, and pressure information comprises: force value and its characteristic information.Controller 29 is exported corresponding current controling signal to controllable electric power 28 according to the pressure information that pressure transducer 20 detects.Controllable current 28 provides corresponding electric current according to the current controling signal of controller 29 to field coil 27, and control is also regulated the electromagnetic field intensity that field coil 27 produces, and reaches the purpose of damping adjusting power.
Continue as shown in Figure 1, the torque-controllable device also comprises: swivel gear 4.Swivel gear 4 is connected with load on the one hand, be connected with running shaft 13 on the other hand, when falling rapidly or other the lower time of situation that need to cushion appears in load, under the effect of load, 13 rotations of swivel gear 4 driven rotary axles produce Driving force, promote magnetorheological materials and flow in magnetorheological loop, produce damping force, load is played the effect of buffering.
Concrete, swivel gear 4 comprises: cylinder 41, clutch 42, the drag-line 43 that is connected with load, power 44 and pedestal 45.One end of its intermediate roll 41 is connected with advancing means 1 running shaft 13 by clutch 42, is used for driven rotary axle 13 and rotates; The other end of cylinder 41 is connected with power 44, and power 44 is used for allowing the drag-line 43 that is wound on the cylinder 41 reset, and when needs drag-line 43 resetted, clutch 42 unclamped being connected of cylinder 41 and running shaft 13.Cylinder 41 is arranged on the pedestal 45, and is for it provides support, concrete by pedestal 45, is connected by bearing between cylinder 41 and the pedestal 45.
Preferably, clutch 42 can be mechanical type, electromagnetic type, surge or the various structures such as pneumatic type.
Preferably, different according to cylinder 41 and drag-line 43 gross weights can arrange accordingly reducing gear the starting torque that resets is strengthened on the power 45.Between cylinder 3 and the pedestal 2 bearing I I23 is set, is provided support by pedestal 2.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (8)

1. torque-controllable device based on magnetorheological materials, it is characterized in that: comprising: advancing means, controllable buffer apparatus and magnetorheological materials reflow pipe, be provided with helical duct in the described advancing means, be provided with the multi-stage annular damp channel in the described controllable buffer apparatus, when described advancing means work, under the effect of Driving force, magnetorheological materials in the described helical duct flows in the described multi-stage annular damp channel, and be back in the described helical duct through described magnetorheological materials reflow pipe, form magnetorheological loop.
2. the torque-controllable device based on magnetorheological materials as claimed in claim 1, it is characterized in that: described advancing means comprises: shell and with the running shaft of helical tooth, described shell comprises: inner chamber and the throttling nose end and the round end that arrange vertically, described running shaft is arranged at and forms described helical duct in the described inner chamber, described throttling nose end is provided with throttle orifice, described throttle orifice is communicated with described inner chamber and described multi-stage annular damp channel, described round end has been disposed radially the magnetorheological materials flow channel, and described magnetorheological materials flow channel is communicated with described magnetorheological materials reflow pipe and described inner chamber.
3. the torque-controllable device based on magnetorheological materials as claimed in claim 2, it is characterized in that: the structure of described inner chamber is cylinder type or boss type, corresponding, the structure of described running shaft is cylinder type or boss type.
4. the torque-controllable device based on magnetorheological materials as claimed in claim 2, it is characterized in that: described advancing means, also comprise: supports end cap, it is distolateral that described supports end cap is positioned at the rotation of described shell, and be fixed on the described round end, and described supports end cap is by seal ring and the described running shaft of bearings.
5. such as each described torque-controllable device based on magnetorheological materials among the claim 1-4, it is characterized in that: described controllable buffer apparatus comprises: oil cylinder, at least a slice center isolating plate and a slice annulus isolating plate at least, described center isolating plate and annulus isolating plate arrange along described oil cylinder inner wall axially spaced-apart and form described multi-stage annular damp channel.
6. the torque-controllable device based on magnetorheological materials as claimed in claim 5, it is characterized in that: described controllable buffer apparatus also comprises: the field coil that is arranged at described oil cylinder outer wall, the controllable electric power that is electrically connected with described field coil, the controller of the output current that is connected with described controllable electric power, be used for controlling described controllable electric power, and the pressure transducer of control foundation is provided for detection of described oil cylinder internal pressure information, for described controller.
7. such as each described torque-controllable device based on magnetorheological materials among the claim 1-4, it is characterized in that: described magnetorheological materials comprises: magneto-rheological grease or magnetic flow liquid.
8. such as each described torque-controllable device based on magnetorheological materials among the claim 2-4, it is characterized in that: also comprise: cylinder, clutch and the drag-line that is connected with load, one end of described cylinder is connected with running shaft in the described advancing means by clutch, be used for driving described running shaft and rotate, described drag-line is wound on the described cylinder.
CN201310285102.8A 2013-05-31 2013-07-08 Controllable torque device based on magnetorheological materials Expired - Fee Related CN103322113B (en)

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CN201310213055 2013-05-31
CN201310213055.6 2013-05-31
CN2013102130556 2013-05-31
CN201310285102.8A CN103322113B (en) 2013-05-31 2013-07-08 Controllable torque device based on magnetorheological materials

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179876A (en) * 2014-08-12 2014-12-03 福建工程学院 Bipolar corrugated plate magnetorheological damper
CN104444696A (en) * 2014-12-13 2015-03-25 重庆和航科技股份有限公司 Elevator system with adaptive damping force damping device
CN104495566A (en) * 2014-12-13 2015-04-08 重庆和航科技股份有限公司 Damping system of adaptive progressive damping force of elevator
CN105626756A (en) * 2016-03-09 2016-06-01 中国人民解放军装甲兵工程学院 Vane oscillating type magnetorheological shock damper
CN107131244A (en) * 2017-05-18 2017-09-05 重庆大学 Magneto-rheological
CN109237189A (en) * 2017-07-11 2019-01-18 舍弗勒技术股份两合公司 Buffer unit in underground
CN109899617A (en) * 2019-03-21 2019-06-18 西安联飞智能装备研究院有限责任公司 A kind of hydraulic damper and hydraulic damping device assembly
CN112503131A (en) * 2020-12-29 2021-03-16 福州大学 Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594340A (en) * 2019-08-19 2019-12-20 南京理工大学 Bidirectional force and moment transmission device based on magnetorheological grease

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141419A (en) * 1996-11-15 1998-05-29 Isuzu Motors Ltd Buffer
EP1908985A1 (en) * 2006-10-02 2008-04-09 Delphi Technologies, Inc. Twin-tube magnetorheological damper
CN101576141A (en) * 2009-06-04 2009-11-11 重庆大学 Longitudinal linear vibration inhibiting method and device based on rotary magnetorheological device
CN201934568U (en) * 2011-02-17 2011-08-17 谭和平 Twin-cylinder differential magnetorheological damper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10141419A (en) * 1996-11-15 1998-05-29 Isuzu Motors Ltd Buffer
EP1908985A1 (en) * 2006-10-02 2008-04-09 Delphi Technologies, Inc. Twin-tube magnetorheological damper
CN101576141A (en) * 2009-06-04 2009-11-11 重庆大学 Longitudinal linear vibration inhibiting method and device based on rotary magnetorheological device
CN201934568U (en) * 2011-02-17 2011-08-17 谭和平 Twin-cylinder differential magnetorheological damper

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104179876A (en) * 2014-08-12 2014-12-03 福建工程学院 Bipolar corrugated plate magnetorheological damper
CN104444696A (en) * 2014-12-13 2015-03-25 重庆和航科技股份有限公司 Elevator system with adaptive damping force damping device
CN104495566A (en) * 2014-12-13 2015-04-08 重庆和航科技股份有限公司 Damping system of adaptive progressive damping force of elevator
CN105626756A (en) * 2016-03-09 2016-06-01 中国人民解放军装甲兵工程学院 Vane oscillating type magnetorheological shock damper
CN105626756B (en) * 2016-03-09 2017-12-22 中国人民解放军装甲兵工程学院 Blade swing type magneto-rheological vibration damper
CN107131244A (en) * 2017-05-18 2017-09-05 重庆大学 Magneto-rheological
CN109237189A (en) * 2017-07-11 2019-01-18 舍弗勒技术股份两合公司 Buffer unit in underground
CN109899617A (en) * 2019-03-21 2019-06-18 西安联飞智能装备研究院有限责任公司 A kind of hydraulic damper and hydraulic damping device assembly
CN112503131A (en) * 2020-12-29 2021-03-16 福州大学 Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper
CN112503131B (en) * 2020-12-29 2021-09-28 福州大学 Anti-impact hydraulic actuator based on multi-stage valve type magnetorheological damper

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