阅读说明：本技术 一种带气囊增压的磁流变液离合器 (A kind of clutch with magnetic rheologic liquid with airbag boost air ) 是由 李永杰 谢方伟 朱海强 丁武建 虞鑫仕 周锐 李志宝 于 2019-08-14 设计创作，主要内容包括：本发明公开了一种带气囊增压的磁流变液离合器,主要包括输入端、输出端、磁流变液、励磁线圈、壳体等。输入端主要由输入轴、主动片、气囊等组成；输出端主要由输出轴、从动片等组成；主动片之间安装有若干材料各向异性的气囊。励磁线圈通电,产生磁场使磁流变液黏度发生改变直至变成类固体,产生的转矩通过输入轴、主动片、磁流变液、从动片传递给输出轴；通过外部装置使气囊膨胀挤压磁流变液,提高传递转矩、缩短响应时间。(The invention discloses a kind of clutch with magnetic rheologic liquid with airbag boost air, mainly include input, output end, magnetorheological fluid, magnet exciting coil, shell etc..Input terminal is mainly made of input shaft, rotating plate, air bag etc.；Output end is mainly made of output shaft, driven disc etc.；The air bag of several material anisotropies is installed between rotating plate.Magnet exciting coil is powered, and generating magnetic field makes magnetorheological fluid viscosity change until becoming class solid, and the torque of generation passes to output shaft by input shaft, rotating plate, magnetorheological fluid, driven disc；So that air bag expansion is squeezed magnetorheological fluid by external device (ED), improves transmitting torque, shortens the response time.)

1. the present invention is a kind of clutch with magnetic rheologic liquid with airbag boost air, it is characterised in that: including input shaft (1), sealing ring I (2), bearing I (3), input shaft end cap (4), bearing II (5), air bag (6), input end housing (7), magnet exciting coil (8), outside coil It is shell (9), output end housing (10), bolt (11), driven disc (12), rotating plate (13), bearing III (14), output shaft (15), close Seal II (16), bearing IV (17), rotating plate magnetism-isolating loop (18), driven disc magnetism-isolating loop (19), magnetorheological fluid (20), inlet channel (21), spline (22)；It is connected with several air bags (6) on the input shaft (1) of the input terminal, air bag (6) is located at two panels actively Between piece (13), and it is connected by input shaft (1) inlet channel with external device (ED)；In the output end, use bolt (11) Driven disc (12) and output shaft (15) are connected；Driven disc magnetism-isolating loop (19) are equipped between driven disc (12), to keep driven disc The distance between.

2. a kind of clutch with magnetic rheologic liquid with airbag boost air according to claim 1, it is characterised in that: in the gas Capsule (6) uses anisotropic material, and along the circumferential direction deformation occurs with radial direction when inflation.

3. a kind of clutch with magnetic rheologic liquid with airbag boost air according to claim 1, it is characterised in that: the input It holds, rotating plate magnetism-isolating loop (18) is equipped between rotating plate (13), to keep the distance between rotating plate (13).

4. a kind of clutch with magnetic rheologic liquid with airbag boost air according to claim 1, it is characterised in that: described The distance between driven disc (12) and the distance between rotating plate (13), can arbitrarily adjust, range 0.5mm-3mm it Between.

Technical field

The present invention relates to a kind of clutch with magnetic rheologic liquid, especially a kind of magnetorheological fluid work is under extruding-shear mode Torque increase clutch with magnetic rheologic liquid.

Background technique

Magnetorheological fluid is the novel intelligent material of one kind of magnetic-particle, surfactant and the solvent composition of micron level Material, under the influence of a magnetic field, yield stress and viscosity can change with the variation of externally-applied magnetic field, fast response time. Based on these special mechanical properties, magnetorheological fluid is in mechanical engineering, automobile engineering, control engineering, precision instrument processing and boat The fields such as empty space flight have very extensive application prospect.

Clutch with magnetic rheologic liquid is that a key areas of magnetorheological fluid application can be controlled according to the property of magnetorheological fluid Externally-applied magnetic field processed realizes the separation and combination of clutch, under the different magnetic field strength effects, the shear stress of magnetorheological fluid It changes, and then realizes the variation of revolving speed and torque, and stepless control may be implemented.It is compared with traditional clutch, magnetic current Change liquid has many advantages, such as without abrasion, low in energy consumption, noise is low, the response time is short, structure is simple and control is simple.According to magnetorheological fluid The structure type of clutch is generally divided into drum type brake clutch with magnetic rheologic liquid, disc type clutch with magnetic rheologic liquid and cup magnetic current Become fluid clutch etc..Patent of invention CN102562857A is disclosed " a kind of conical extrusion-shearing type magnetorheological fluid clutch ", benefit Effect of the armature by power under magnetic fields, when there is electric current in magnet exciting coil, armature be will be attracted, and be squeezed magnetorheological Output torque can be substantially improved under extruding-shearing work mode in liquid, at this time magnetorheological fluid work, and existing deficiency is knot Structure is complicated, work noise is big." a kind of squash type torque increase clutch with magnetic rheologic liquid ", In disclosed in patent of invention CN106884898A Several steel balls being disposed radially that output sleeve is equipped with squeeze magnetorheological fluid, while in electromagnetism under the influence of centrifugal force Make piston motion under the action of suction, under the effect of the Compound Extrusion of steel ball and piston, increase torque, improves transmission efficiency, it is real Quick response is showed, the pressure for being disadvantageous in that steel ball provides is limited.Meanwhile there is also transmitting to turn for clutch with magnetic rheologic liquid Not big enough the problem of square, this problem restrict the development and application of clutch with magnetic rheologic liquid, thus how to improve magnetorheological fluid from The transmitting torque of clutch becomes the key for restricting clutch with magnetic rheologic liquid development.

Summary of the invention

Aiming at the problems existing in the prior art, the present invention provides a kind of clutch with magnetic rheologic liquid with airbag boost air, By air sac pressing magnetorheological fluid, make magnetorheological fluid work under extruding-shear mode, has and improve transmitting torque, structure letter The advantages that single, response is rapidly, transmission efficiency is high.

A kind of clutch with magnetic rheologic liquid with airbag boost air of the invention, specifically include input shaft, sealing ring I, bearing I, Input shaft end cap, bearing II, air bag, input end housing, magnet exciting coil, coil case, output end housing, bolt, driven disc, master Movable plate, bearing III, output shaft, sealing ring II, bearing IV, rotating plate magnetism-isolating loop, driven disc magnetism-isolating loop, magnetorheological fluid, air inlet are logical Road etc..Rotating plate is mounted on input shaft by spline, is kept at a distance between rotating plate by rotating plate magnetism-isolating loop.Input axle housing Place magnet exciting coil in the space that body, output shaft housing and magnet exciting coil shell are formed.Driven disc is bolted, and is equipped with therebetween Driven disc magnetism-isolating loop connects simple and reliable to keep the distance between driven disc, and spacing is in the same size, output shaft and driven Piece is bolted.

As a further improvement of the present invention, several air bags are connected on input shaft described, air bag passes through input Axis inlet channel is connected with external device (ED), and air bag uses anisotropic material, along the circumferential direction sends out with radial direction when inflation Raw deformation.

As a further improvement of the present invention, transmitting is bolted between the output shaft and driven disc to turn Square, structure is simple, reliable performance.

As a further improvement of the present invention, the distance between the distance between the driven disc and rotating plate, It can arbitrarily adjust, range is between 0.5mm-3mm.

Beneficial effects of the present invention: (1) present invention is by the air bag installed on axis, and under external equipment effect, volume is swollen It is swollen, magnetorheological fluid is squeezed, so that magnetorheological fluid under extruding-shear mode, is can be improved driving torque in work, when shortening response Between；(2) driven disc is bolted, and is equipped with driven disc magnetism-isolating loop therebetween, to keep the distance between driven disc, spacing adjustment Conveniently, it connects simple and reliable.

Detailed description of the invention

Fig. 1 is a kind of structure diagram of clutch with magnetic rheologic liquid with airbag boost air of the invention；

Fig. 2 is a kind of cell parts partial sectional view of clutch with magnetic rheologic liquid with airbag boost air of the invention；

Fig. 3 is a kind of rotating plate of clutch with magnetic rheologic liquid with airbag boost air of the invention；

Fig. 4 is a kind of driven disc of clutch with magnetic rheologic liquid with airbag boost air of the invention；

Wherein 1- input shaft；2- sealing ring I；3- bearing I；4- input shaft end cap；5- bearing II；6- air bag；7- input terminal Shell；8- magnet exciting coil；9- coil case；10- exports end housing；11- bolt；12- driven disc；13- rotating plate；14- bearing Ⅲ；15- output shaft；16- sealing ring II；17- bearing IV；18- rotating plate magnetism-isolating loop；19- driven disc magnetism-isolating loop；20- is magnetorheological Liquid；21- inlet channel；22- spline.

Specific implementation method

With reference to the accompanying drawing and specific embodiment is to further instruction of the present invention:

As shown in Figure 1, a kind of clutch with magnetic rheologic liquid with airbag boost air of the invention, specifically includes input shaft 1, sealing Enclose I 2, bearing I 3, input shaft end cap 4, bearing II 5, air bag 6, input end housing 7, magnet exciting coil 8, coil case 9, output end Shell 10, bolt 11, driven disc 12, rotating plate 13, bearing III 14, output shaft 15, sealing ring II 16, bearing IV 17, rotating plate Magnetism-isolating loop 18, driven disc magnetism-isolating loop 19, magnetorheological fluid 20, inlet channel 21, spline 22 etc..Input shaft 1 passes through bearing I 3, input Hubcap 4 and input shaft housing 7 cooperate, and input shaft end cap 4 and input end housing 7 are bolted；It is affixed on input shaft 1 There are several air bags 6, air bag 6 is connected by the inlet channel 21 of input shaft 1 with external device (ED)；Rotating plate 13 and input shaft 1 it Between connected using spline 22；Input end housing 7, output end housing 10 and solenoid housing 9 are bolted；Rotating plate 13 and from Movable plate 12 distributes alternately, and air bag 6 is equipped between two panels rotating plate 12；Rotating plate magnetism-isolating loop 18 is equipped between rotating plate 12, with It keeps at a distance, driven disc magnetism-isolating loop 19 is equipped between driven disc 12, to keep at a distance, which can arbitrarily be adjusted, and range exists Between 0.5mm-3mm；Magnet exciting coil 8 is mounted in the space that input end housing 7, output end housing 10 and coil case 9 are formed； Driven disc 12 and output shaft 15 are connected using bolt 11；Output shaft 15 is cooperated by bearing III 14 and output end housing 10；From Movable plate 12 is cooperated by bearing II 5 and input shaft 2；Input shaft 1 and input shaft end cap 4, output shaft 15 and output shaft housing 10 it Between be equipped with sealing ring.

As shown in Fig. 2, a kind of input shaft 1 of clutch with magnetic rheologic liquid with airbag boost air of the invention installs air bag 6 The partial sectional view at place is connected with several air bags 6 in 1 radial direction of input shaft, and air bag 6 is connected by inlet channel 21 and exterior line It connects, air bag uses anisotropic material, and mainly along circumferencial direction, deformation occurs for inflation, shows direction as indicated by the arrows in the figure.In There are also splines 22 on driving shaft 1, for installing rotating plate 13.

In the clutch with magnetic rheologic liquid course of work, input shaft 1 is rotated, and external equipment passes through input shaft inlet channel 21, It delivers gas in air bag 6, it is anisotropic material as used by air bag 6 that 6 volume of air bag, which increases, and air bag can be along Deformation occurs for circumferencial direction and radial direction, and certain pressure is generated to magnetorheological fluid 20, makes the work of magnetorheological fluid 20 in squeeze mode Under, magnetic fields magnetorheological fluid 20 in clutch will be generated to the energization of magnet exciting coil 8, due to the inherency of magnetorheological fluid 20 Matter, it will be changed into Bingham fluid from Newtonian fluid, class solid be changed by class I liquid I, magnetorheological fluid works in extruding-shearing Under mode, biggish yield stress can be generated and transmit torque, the response time is short；The present invention devise multipair rotating plate 13 and from Movable plate 12 can further promote raising torque, and with the increase of electric current in magnet exciting coil 8, the torque of transmitting is increased.Turn Square is transmitted to output shaft 15 by input shaft 1, rotating plate 13, magnetorheological fluid 20, driven disc 12 again.When magnet exciting coil 8 powers off, Magnetorheological fluid becomes class I liquid I from class solid, and transmitting torque reduces, and output shaft 15 stops operating, meanwhile, external equipment stop to Air bag 6 conveys gas, and the volume of air bag 6 reduces, and restores original form.It is set by current control to magnet exciting coil 8 and outside Standby cooperation realizes clutch with magnetic rheologic liquid transmitting torque and promotes the purpose of torque.

Embodiment described above is the preferred embodiments of the present invention, however it is not limited to above embodiment, without departing substantially from In the case where substantive content of the invention, any conspicuous improvement, replacement or modification are all belonged to the scope of protection of the present invention.