CN105987153A - Dual-power input speed reducer based on permanent magnet driving technique and power switching method of dual-power input speed reducer - Google Patents
Dual-power input speed reducer based on permanent magnet driving technique and power switching method of dual-power input speed reducer Download PDFInfo
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- CN105987153A CN105987153A CN201510061255.3A CN201510061255A CN105987153A CN 105987153 A CN105987153 A CN 105987153A CN 201510061255 A CN201510061255 A CN 201510061255A CN 105987153 A CN105987153 A CN 105987153A
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Abstract
The invention relates to the field of speed reducers and particularly relates to a dual-power input speed reducer based on a permanent magnet driving technique and a power switching method of the dual-power input speed reducer. The dual-power input speed reducer is characterized in that a power input end I is connected with a first motor through a first power input assembly on a speed driving speed reduction mechanism with two power input ends, and a power input end II is connected with a second motor through a second power input assembly; the structures of the first power input assembly and the second power input assembly are designed on the basis of the permanent magnet driving technique, conductor discs and permanent magnet discs are arranged in the first power input assembly and the second power input assembly, and magnetic bodies on the permanent magnet discs are distributed at N-S intervals; and when the conductor discs rotate, the magnetic torque is generated, the air gaps between the conductor discs and the permanent magnet discs are adjusted through an adjustment mechanism, and therefore, the switch-on and the switch-off between the motors and a gear driving mechanism are finished. Compared with the prior art, the dual-power input speed reducer has the beneficial effects that the hard connection between a load and the motors is isolated, the buffer starting of the load can be realized, and the overhauling and the correction of the motors in a working state can be realized.
Description
Technical field
The present invention relates to decelerator field, particularly relate to a kind of double dynamical input reducer based on permanent magnet transmission technology and powershift method thereof.
Background technology
At present, double dynamical input type decelerator is because of the feature of its dual input, the plant equipment of multiple occasions obtains application, its structure includes the forms such as cylinder gear speed reducer, worm reducer, planetary gear type reduction gear, wherein the double dynamical of cylinder gear speed reducer is to take the double dynamical of identical rotating speed and moment of torsion, worm reducer and planetary gear type reduction gear, can have different rotating speeds and moment of torsion.
In cylinder gear speed reducer simplest dual input structure be power shaft be an axle, axle is stretched out by decelerator both sides.Because structure space limits, sometimes do not have redundant space to arrange motor, shaft coupling and brake on a power shaft simultaneously, motor will be installed in decelerator side, shaft coupling and a power shaft are connected, installing braked wheel and the brake of braking on the power shaft of opposite side, gate-type and bridge-type, casting such as hang at the lifting mechanism of crane or the local of other limited spaces is arranged so as to more.
Chinese Patent Application No. be 201310258179.6 patent document also disclose one " double dynamical input-driven system ", its structure include engine, motor, the first power input module, the second power input module and speed changer, the first power input module and the second power input module respectively by engageable or disconnect in the way of coordinate with the power intake of speed changer；nullThe power intake transmission of the clutch end of engine and the first power input module coordinates，The power intake transmission of the clutch end of motor and the second power input module coordinates，Described power intake is power input shaft，On power input shaft, in the way of the circumferencial direction transmission that can slide axially, overcoat arranges power connector，Power input shaft is by this power connector and the first power input module couple drive、Disconnect transmission with the second power input module couple drive or formation，The present invention has relatively independent double dynamical input，And it is simple and compact for structure，It is usually engine and motor input，Can arbitrarily switch power according to the road conditions that vehicle travels，Automobile is made to be applicable to the traveling of complex road condition，Particularly rural area and mountain region road conditions，For tricycle and carriage，It is greatly expanded its scope of application，Reduce the use cost of vehicle，Save drive energy.
Another Chinese Patent Application No. be 200410077702.6 patent document disclose " a kind of double-power inputting automatic shifting speed reducer ", its structure includes the first motor, second motor, worm screw, worm gear, output shaft, casing and by pusher dog, interior star-wheel, outer shroud, roller, the freewheel clutch of spring composition, interior star-wheel couples with output shaft, outer shroud is nested with the outside at interior star-wheel, the assembly of some groups of rollers and spring is attached separately in the corresponding circumference wedge-shaped slot set by interior star-wheel, the output shaft of pusher dog and the first motor couples, and pusher dog is plugged between roller and interior star-wheel, worm screw is connected with the output shaft of the second motor, worm gear is secondary with worm screw composition worm drive, and worm gear empty set is on reducer output shaft, outer shroud is connected with worm gear by connector.Present configuration is simple, stable drive, can be with load variations automatic switchover power and change output speed.
Air preheater in fired power generating unit belongs to heavy load starting equipment, in order to ensure the reliable operating of system, it is to avoid the stopping production accident causing because of electrical fault, main and auxiliary motor two commonly used at present drag one with reductor Hard link, the mode of frequency converter timing.In 1# boiler A, B air preheater of such as certain genco, motor and reductor are integral type assembling, and two same model motors are respectively as mair motor and one reductor of standby driven by motor.
This system be in operation exist subject matter be: 1) be that reductor starting torque is big, although using frequency converter as soft start, but the driving gear of motor front end easily weares and teares, when gear failure, need to pull down motor to change, owing to standby usage motor drives a reductor jointly, A auxiliary motor starts then A mair motor transfer, in operation, machinery check and repair, defect elimination have to load shedding and stop air preheater, and this certainly will have a strong impact on safety in production and economic benefit.2) it is that motor uses integral type assembling with reductor, motor front end cover is immersed in lubricating oil, and air preheater motor speed is higher, the easy leakage of oil of outside framework oil seal (55 × 70 × 8) in operation, make the stator in motor, rotor be immersed in oil, have a strong impact on insulating radiation and the life-span of motor.
Content of the invention
It is an object of the invention to provide a kind of double dynamical input reducer based on permanent magnet transmission technology and powershift method thereof, Motor torque is transmitted by magnetic moment of torsion, air gap is set between motor and load and substitutes Hard link, the buffer starting purpose of load can be realized, can guarantee that again freely switching of standby usage motor, the disengaging of motor and vertical direction load can be conveniently realized, load running can realize the maintenance to standby motor and defect elimination.
To achieve these goals, the technical scheme is that such:
Double dynamical input reducer based on permanent magnet transmission technology, including the first power input module, the second power input module and gear drive, the first power input module and the second power input module respectively by engageable or disconnect in the way of coordinate with the power intake of gear drive；The power intake transmission of the clutch end of the first motor and the first power input module coordinates, the power intake transmission of the clutch end of the second motor and the second power input module coordinates, described first power input module makes the first motor power output disconnect transmission with power intake couple drive or the formation of gear drive by permanent magnet transmission mode, second power input module makes the second motor power output disconnect transmission with power intake couple drive or the formation of gear drive by permanent magnet transmission mode, make the first motor and/or the second motor can depart from gear drive rapidly when not working.
Described first power input module includes permanent magnetic disk one and conductor disc one, it is provided with air gap one between permanent magnetic disk one and conductor disc one, described second power input module includes permanent magnetic disk two and conductor disc two, being provided with air gap two between permanent magnetic disk two and conductor disc two, the spacing of described air gap one and air gap two is regulated by governor motion.
Described gear drive includes power input shaft the first, power input shaft the 2nd, input gear the first, input gear the 2nd, output gear and power output shaft, power input shaft one is provided with input gear one, power input shaft two is provided with input gear two, output gear is located on power output shaft, it is provided with idle pulley group one between input gear one and output gear, it is provided with idle pulley group two between input gear two and output gear, realize that power output shaft is perpendicular to power input shaft one and the arrangement form of power input shaft two by the transmission of helical gear pair or worm couple.
Described governor motion is intermediate shaft assembly, including mandrel, sliding sleeve, crosshead, bearing block, bracket and retreat operation mechanism, described mandrel peripheral hardware sliding sleeve, one end of sliding sleeve is connected with crosshead, the other end of sliding sleeve is that permanent magnetic disk connects end, is connected by bearing between crosshead with sliding sleeve；Described bearing block is arranged on bracket, is provided with bearing between bearing block and mandrel；Described retreat operation mechanism is connected between crosshead and bracket, and the relative distance between crosshead and bracket is adjustable.
Described retreat operation mechanism includes action bars, screw rod, umbrella tooth one and umbrella tooth two, umbrella tooth one is located at one end of screw rod, umbrella tooth two is located at one end of action bars, umbrella tooth one and umbrella tooth two are meshed, thread segment on screw rod matches with the thread bush on crosshead, being provided with bearing between screw rod and bracket, the other end of described action bars is that actuator connects end.
Described governor motion is movable base, it is arranged on the first motor or the bottom of the second motor, including track base, guide rail, slide, leading screw, feed screw nut and actuator, one end of leading screw connects actuator, match with the guide rail on track base bottom slide, leading screw is arranged on track base, is provided with bearing, is connected with leading screw by feed screw nut bottom slide between leading screw and track base.
A kind of powershift method of the double dynamical input reducer based on permanent magnet transmission technology, on the gear drive with two power intakes, power intake one connects the first motor by the first power input module, and power intake two connects the second motor by the second power input module；The structure of described first power input module and the second power input module is based on permanent magnet transmission Technology design, it is internally provided with conductor disc and permanent magnetic disk, the interval that magnet on permanent magnetic disk is distributed as N, S is arranged, when conductor disc rotates, magnetic moment of torsion is produced between conductor disc and permanent magnetic disk, air gap between conductor disc and permanent magnetic disk is regulated by governor motion, realize the switching of the joint with gear drive for the motor and disconnection, quick and gear drive disengaging when making the first motor and/or the second motor not work.
Described governor motion is intermediate shaft assembly, including mandrel, sliding sleeve, crosshead, bearing block, bracket and retreat operation mechanism, described mandrel peripheral hardware sliding sleeve, one end of sliding sleeve is connected with crosshead, the other end of sliding sleeve is that permanent magnetic disk connects end, is connected by bearing between crosshead with sliding sleeve；Described bearing block is arranged on bracket, is provided with bearing between bearing block and mandrel；Described retreat operation mechanism is connected between crosshead and bracket, and the relative distance between crosshead and bracket is adjustable, is realized the regulation of air gap by dragging permanent magnetic disk.
Described retreat operation mechanism includes action bars, screw rod, umbrella tooth one and umbrella tooth two, umbrella tooth one is located at one end of screw rod, umbrella tooth two is located at one end of action bars, umbrella tooth one and umbrella tooth two are meshed, thread segment on screw rod matches with the thread bush on crosshead, being provided with bearing between screw rod and bracket, the other end of described action bars is that actuator connects end.
Described governor motion is movable base, it is arranged on the first motor or the bottom of the second motor, including track base, guide rail, slide, leading screw, feed screw nut and actuator, one end of leading screw connects actuator, matching with the guide rail on track base bottom slide, leading screw is arranged on track base, is provided with bearing between leading screw and track base, it is connected with leading screw by feed screw nut bottom slide, realized the regulation of air gap by dragging conductor disc.
The adjustable range of described governor motion is 3mm～80mm.
Compared with prior art, the invention has the beneficial effects as follows:
1) creatively the moment of torsion of motor is transmitted by magnetic moment of torsion; connect motor and load with air gap; isolate the Hard link between load and motor; the buffer starting of load can be realized; can guarantee that again freely switching of standby usage motor, thus can realize operating machinery check and repair and defect elimination, in the case of not shutting down, change motor; bring very big facility to maintenance repair, alleviate labour intensity.
2) improve the stability that equipment runs, there is prolongation system maintenance cycle and service life, the advantage not producing higher hamonic wave, can substantially reduce maintenance cost, substantially eliminate the vibration of total system, maximum only 2.5 of motor, load-side vibration values, equipment running status is stable, and this scheme is especially suitable for applying in the presence of a harsh environment.
Brief description
Fig. 1 is the embodiment of the present invention one structural representation；
Fig. 2 is the embodiment of the present invention two structural representation；
Fig. 3 is the sectional view in Fig. 1 along line A-A；
Fig. 4 is the sectional view in Fig. 3 along line B-B；
Fig. 5 is the sectional view in Fig. 2 along line C-C；
Fig. 6 is the gear drive example structure schematic diagram in the present invention；
Fig. 7 is that the embodiment of the present invention one contrasts with the starting characteristic curve under conventional Hard link form and energy-conservation collection of illustrative plates.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
See Fig. 1, it is double dynamical input reducer embodiment one structural representation based on permanent magnet transmission technology for the present invention, including the first power input module the 1st, the second power input module 2 and gear drive 3, the first power input module 1 and the second power input module 2 are respectively by engageable or coordinate with the power intake of gear drive 3 in the way of disconnecting；The power intake transmission of the clutch end of the first motor 4 and the first power input module 1 coordinates, the power intake transmission of the clutch end of the second motor 5 and the second power input module 2 coordinates, first power input module 1 makes the clutch end of the first motor 4 disconnect transmission with the power intake couple drive of gear drive 3 or formation by permanent magnet transmission mode, second power input module 2 makes the clutch end of the second motor 5 disconnect transmission with the power intake couple drive of gear drive 3 or formation by permanent magnet transmission mode, make the first motor and/or the second motor can depart from gear drive rapidly when not working, its objective is load shedding to shut down, conveniently carry out overhauling and defect elimination to stand-by state motor.
First power input module 1 includes permanent magnetic disk 1 and conductor disc 1, it is provided with air gap 1 between permanent magnetic disk one and conductor disc one, described second power input module 2 includes permanent magnetic disk 29 and conductor disc 2 10, it is provided with air gap 2 11 between permanent magnetic disk two and conductor disc two, the spacing of described air gap 1 and air gap 2 11 is regulated by governor motion 12 respectively, it is achieved the switching engaging between motor with gear drive and disconnecting.In embodiment 1, governor motion is intermediate shaft assembly.
See Fig. 2, it is double dynamical input reducer embodiment two structural representation based on permanent magnet transmission technology for the present invention, including the first power input module the 1st, the second power input module 2 and gear drive 3, the first power input module 1 and the second power input module 2 are respectively by engageable or coordinate with the power intake of gear drive 3 in the way of disconnecting；The power intake transmission of the clutch end of the first motor 4 and the first power input module 1 coordinates, the power intake transmission of the clutch end of the second motor 5 and the second power input module 2 coordinates, first power input module 1 makes the clutch end of the first motor 4 disconnect transmission with the power intake couple drive of gear drive 3 or formation by permanent magnet transmission mode, second power input module 2 makes the clutch end of the second motor 5 disconnect transmission with the power intake couple drive of gear drive 3 or formation by permanent magnet transmission mode, make the first motor and/or the second motor can depart from gear drive rapidly when not working, its objective is load shedding to shut down, conveniently carry out overhauling and defect elimination to stand-by state motor.
First power input module 1 includes permanent magnetic disk 1 and conductor disc 1, it is provided with air gap 1 between permanent magnetic disk one and conductor disc one, described second power input module 2 includes permanent magnetic disk 29 and conductor disc 2 10, it is provided with air gap 2 11 between permanent magnetic disk two and conductor disc two, the spacing of described air gap 1 and air gap 2 11 is regulated by governor motion 12 respectively, it is achieved the switching engaging between motor with gear drive and disconnecting.In embodiment 2, governor motion is the movable base of the bottom being arranged on the first motor or the second motor.
See Fig. 3, Fig. 4, it is the sectional view along line A-A in Fig. 1, intermediate shaft assembly includes mandrel the 13rd, sliding sleeve the 14th, crosshead the 15th, bearing block the 16th, bracket 17 and retreat operation mechanism 18, mandrel 13 peripheral hardware sliding sleeve 14, one end of sliding sleeve 14 is connected with crosshead 15, the other end of sliding sleeve 14 is that permanent magnetic disk connects end, is connected by bearing 19 between crosshead 15 with sliding sleeve 14；Described bearing block 16 is arranged on bracket 17, is provided with ball bearing 20 between bearing block 16 and mandrel 13；Retreat operation mechanism 18 is connected between crosshead 15 and bracket 17, and the relative distance between crosshead and bracket is adjustable.
Retreat operation mechanism includes action bars the 21st, screw rod the 22nd, umbrella tooth 1 and umbrella tooth 2 24, umbrella tooth 1 is located at one end of screw rod 22, umbrella tooth 2 24 is located at one end of action bars 21, umbrella tooth one and umbrella tooth two are meshed, thread segment on screw rod 22 matches with the thread bush 25 on crosshead 15, it is provided with bearing between screw rod 22 and bracket 17, the other end of action bars 21 is that actuator connects end, this actuator can be selected for any one in hand actuator, YE or pneumatic actuator, and in embodiment one, actuator is handwheel.
See Fig. 5, it is the sectional view along line C-C in Fig. 2, movable base includes track base the 26th, guide rail the 27th, slide the 28th, leading screw the 29th, feed screw nut 30 and actuator 31, one end of leading screw 29 connects actuator 31, matching with the guide rail 27 on track base 26 bottom slide 28, leading screw 29 is arranged on track base 26, is provided with ball bearing 32 between leading screw 29 and track base 26, being connected with leading screw 29 by feed screw nut 30 bottom slide 28, slide 28 is provided with the pedestal 41 being used for fixing motor.This actuator can be selected for any one in hand actuator, YE or pneumatic actuator, and in embodiment two, actuator is handwheel.
nullSee Fig. 6，It is the gear drive example structure schematic diagram in the present invention，Gear drive as decelerator includes power input shaft 1、Power input shaft 2 34、Input gear 1、Input gear 2 36、Output gear 37 and power output shaft 38，Power input shaft 1 is provided with input gear 1，Power input shaft 2 34 is provided with input gear 2 36，Output gear 37 is located on power output shaft 38，It is provided with idle pulley group 1 between input gear one and output gear，It is provided with idle pulley group 2 40 between input gear two and output gear，Realize that power output shaft 38 is perpendicular to power input shaft 1 and the arrangement form of power input shaft 2 34 by the transmission of helical gear pair or worm couple，Air preheater be applicable to fired power generating unit for the gear drive of this structure，Meeting drives the use of a decelerator to require with mair motor and standby motor jointly.
The powershift method of a kind of double dynamical input reducer based on permanent magnet transmission technology in the present invention, it is exactly the switching control to the first motor connecting on gear drive and the second motor, realize a-worker-a-backup, wherein the first motor connects the first power input module, and the second motor connects the second power input module；It is equipped with air gap in first power input module and the second power input module, eliminate the hard connecting mode of conventional design, air gap both sides are conductor disc and permanent magnetic disk, the interval that magnet on permanent magnetic disk is distributed as N, S is arranged, when conductor disc rotates, magnetic moment of torsion is inversely proportional to the width of air gap, the regulation of air gap is moved conductor disc by governor motion respectively or permanent magnetic disk realizes, meet the switching of the joint with gear drive for the motor and disconnection, make the first motor and/or the second motor can depart from gear drive rapidly when not working.Generally, the adjustable range of governor motion is 3mm～80mm, can meet use and require.
When selecting YE or pneumatic actuator as required, also can realize remotely operating, be conducive to improving automatic control level, but input cost is higher.YE can be controlled to adjust the operating of mechanism by the signal of telecommunication control of 4～20mA by the signal of telecommunication, it is achieved the relative displacement of permanent magnetic disk and conductor disc.
Before air preheater starts, air-gap setting is maximum (80mm), No Load Start mair motor, providing engagement signal by control room, actuator driven permanent magnetic disk guide body disc is close, and air gap constantly reduces, permanent magnetic disk band dynamic load is slowly accelerated, until rated speed long-time steady operation.When control room sends mair motor disengagement signal, actuator driven permanent magnetic disk constantly increases away from conductor disc, air gap, until air gap is 80mm or more than 80mm, after main motor thoroughly departs from, cuts off main motor power (standby motor operation is in like manner).
Due to when properly functioning, mair motor and auxiliary motor do not need frequently to switch, general carries out air gap regulation when starting or stop transport, by to 1# stove A, B air preheater mair motor over one month the electric current of converting operation be tracked, electric current is all the time at 15.4～16.1A, and rate of change is very little, so using the hand actuator of handwheel one class, corollary equipment is few, and expense is relatively low, and it is simple to construct.
See Fig. 7, it is that the embodiment of the present invention one contrasts with the starting characteristic curve under conventional Hard link form and energy-conservation collection of illustrative plates, thick line is the electric motor starting characteristic curve under conventional Hard link form and power consumption schematic diagram, fine rule is the electric motor starting characteristic curve of the embodiment of the present invention one, it is fractional energy savings in shadow region, it will be evident that the present invention has lower peak requires H and shorter surge duration T.
Therefore the present invention can significantly improve the operation characteristic of system, before starting load, air gap is maximum, empty load of motor is made to start, not only reduce the starting current of motor and reduce on the thermal shock load of motor and the impact on electrical network, power consumption can also be saved and extend the working life of motor, the destructive tension force to load for transmission system when particularly can extremely efficient reduce startup, eliminates the vibration producing when load starts, it is ensured that the safe and reliable operation of equipment.
The present invention transmits energy and the ability of control speed is not affected by low-angle or the little skew producing owing to installing misalignment reason between motor reel and bearing axle simultaneously.The vibration that eliminates misalignment and produce, wear problem, owing to not having mechanical linkages, even if the vibration that motor itself causes also will not cause load vibration, make the vibration problem of whole system effectively be reduced.Reductor and motor do not have mechanical Hard link, are entirely by air gap transmission moment of torsion, and such benefit is to have isolated the transmission of vibration, lowers abrasiveness；Thus reduce operation and maintenance cost.
Claims (11)
1. the double dynamical input reducer based on permanent magnet transmission technology, it is characterized in that, including the first power input module, the second power input module and gear drive, the first power input module and the second power input module respectively by engageable or disconnect in the way of coordinate with the power intake of gear drive；The power intake transmission of the clutch end of the first motor and the first power input module coordinates, the power intake transmission of the clutch end of the second motor and the second power input module coordinates, described first power input module makes the first motor power output disconnect transmission with power intake couple drive or the formation of gear drive by permanent magnet transmission mode, second power input module makes the second motor power output disconnect transmission with power intake couple drive or the formation of gear drive by permanent magnet transmission mode, make the first motor and/or the second motor can depart from gear drive rapidly when not working.
2. the double dynamical input reducer based on permanent magnet transmission technology according to claim 1, it is characterized in that, described first power input module includes permanent magnetic disk one and conductor disc one, it is provided with air gap one between permanent magnetic disk one and conductor disc one, described second power input module includes permanent magnetic disk two and conductor disc two, being provided with air gap two between permanent magnetic disk two and conductor disc two, the spacing of described air gap one and air gap two is regulated by governor motion.
3. the double dynamical input reducer based on permanent magnet transmission technology according to claim 1, it is characterized in that, described gear drive includes power input shaft one, power input shaft two, input gear one, input gear two, output gear and power output shaft, power input shaft one is provided with input gear one, power input shaft two is provided with input gear two, output gear is located on power output shaft, it is provided with idle pulley group one between input gear one and output gear, it is provided with idle pulley group two between input gear two and output gear, realize that power output shaft is perpendicular to power input shaft one and the arrangement form of power input shaft two by the transmission of helical gear pair or worm couple.
4. the double dynamical input reducer based on permanent magnet transmission technology according to claim 2, it is characterized in that, described governor motion is intermediate shaft assembly, including mandrel, sliding sleeve, crosshead, bearing block, bracket and retreat operation mechanism, described mandrel peripheral hardware sliding sleeve, one end of sliding sleeve is connected with crosshead, and the other end of sliding sleeve is that permanent magnetic disk connects end, is connected by bearing between crosshead with sliding sleeve；Described bearing block is arranged on bracket, is provided with bearing between bearing block and mandrel；Described retreat operation mechanism is connected between crosshead and bracket, and the relative distance between crosshead and bracket is adjustable.
5. the double dynamical input reducer based on permanent magnet transmission technology according to claim 4, it is characterized in that, described retreat operation mechanism includes action bars, screw rod, umbrella tooth one and umbrella tooth two, umbrella tooth one is located at one end of screw rod, umbrella tooth two is located at one end of action bars, and umbrella tooth one and umbrella tooth two are meshed, and the thread segment on screw rod matches with the thread bush on crosshead, being provided with bearing between screw rod and bracket, the other end of described action bars is that actuator connects end.
6. the double dynamical input reducer based on permanent magnet transmission technology according to claim 2, it is characterized in that, described governor motion is movable base, being arranged on the first motor or the bottom of the second motor, including track base, guide rail, slide, leading screw, feed screw nut and actuator, one end of leading screw connects actuator, match with the guide rail on track base bottom slide, leading screw is arranged on track base, is provided with bearing, is connected with leading screw by feed screw nut bottom slide between leading screw and track base.
7. the powershift method based on the double dynamical input reducer of permanent magnet transmission technology, it is characterized in that, on the gear drive with two power intakes, power intake one connects the first motor by the first power input module, and power intake two connects the second motor by the second power input module；The structure of described first power input module and the second power input module is based on permanent magnet transmission Technology design, it is internally provided with conductor disc and permanent magnetic disk, the interval that magnet on permanent magnetic disk is distributed as N, S is arranged, when conductor disc rotates, magnetic moment of torsion is produced between conductor disc and permanent magnetic disk, air gap between conductor disc and permanent magnetic disk is regulated by governor motion, realize the switching of the joint with gear drive for the motor and disconnection, quick and gear drive disengaging when making the first motor and/or the second motor not work.
8. the powershift method of a kind of double dynamical input reducer based on permanent magnet transmission technology according to claim 7, it is characterized in that, described governor motion is intermediate shaft assembly, including mandrel, sliding sleeve, crosshead, bearing block, bracket and retreat operation mechanism, described mandrel peripheral hardware sliding sleeve, one end of sliding sleeve is connected with crosshead, and the other end of sliding sleeve is that permanent magnetic disk connects end, is connected by bearing between crosshead with sliding sleeve；Described bearing block is arranged on bracket, is provided with bearing between bearing block and mandrel；Described retreat operation mechanism is connected between crosshead and bracket, and the relative distance between crosshead and bracket is adjustable, is realized the regulation of air gap by dragging permanent magnetic disk.
9. the powershift method of a kind of double dynamical input reducer based on permanent magnet transmission technology according to claim 8, it is characterized in that, described retreat operation mechanism includes action bars, screw rod, umbrella tooth one and umbrella tooth two, umbrella tooth one is located at one end of screw rod, umbrella tooth two is located at one end of action bars, and umbrella tooth one and umbrella tooth two are meshed, and the thread segment on screw rod matches with the thread bush on crosshead, being provided with bearing between screw rod and bracket, the other end of described action bars is that actuator connects end.
10. the powershift method of a kind of double dynamical input reducer based on permanent magnet transmission technology according to claim 7, it is characterized in that, described governor motion is movable base, it is arranged on the first motor or the bottom of the second motor, including track base, guide rail, slide, leading screw, feed screw nut and actuator, one end of leading screw connects actuator, match with the guide rail on track base bottom slide, leading screw is arranged on track base, it is provided with bearing between leading screw and track base, it is connected with leading screw by feed screw nut bottom slide, realized the regulation of air gap by dragging conductor disc.
The powershift method of a kind of double dynamical input reducer based on permanent magnet transmission technology described in 11. according to Claim 8 or 10, it is characterised in that the adjustable range of described governor motion is 3mm～80mm.
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| CN112573051A (en) * | 2019-09-27 | 2021-03-30 | 江苏华章物流科技股份有限公司 | Article conveying device |
| CN114076083A (en) * | 2020-08-18 | 2022-02-22 | 江西杰豹机电有限公司 | Novel air compressor machine convenient to overhaul |
| CN114229650A (en) * | 2022-01-12 | 2022-03-25 | 迈格钠磁动力股份有限公司 | Permanent-magnet safety retarding device for elevator traction sheave |
| CN114244015A (en) * | 2021-12-14 | 2022-03-25 | 深圳市众平电机有限公司 | Small and micro motor for breathing machine |
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| CN105207448A (en) * | 2015-09-15 | 2015-12-30 | 南京艾凌节能技术有限公司 | Permanent magnet slowdown clutch applied to air preheating system and air preheating system |
| CN107612210A (en) * | 2017-09-18 | 2018-01-19 | 安徽沃弗电力科技有限公司 | A kind of internal permanent magnet synchronous motor weak-magnetic speed-regulating device and control method |
| CN107612279A (en) * | 2017-09-18 | 2018-01-19 | 安徽叁旺网络信息技术有限公司 | A kind of air-cylinder type automatic clutch-type coupling device and its application method |
| CN107612278A (en) * | 2017-09-18 | 2018-01-19 | 安徽叁旺网络信息技术有限公司 | A kind of automatic clutch-type transmission gear for electric motor and method |
| CN107612210B (en) * | 2017-09-18 | 2019-06-14 | 安徽沃弗电力科技有限公司 | A kind of internal permanent magnet synchronous motor weak-magnetic speed-regulating device and control method |
| CN107394989A (en) * | 2017-09-21 | 2017-11-24 | 安徽沃弗电力科技有限公司 | A kind of screw mandrel clutch type permanent magnet coupler |
| CN108262764A (en) * | 2017-12-28 | 2018-07-10 | 中核四0四有限公司 | A kind of radiation hardness mechanical arm |
| CN108306450B (en) * | 2018-01-19 | 2019-11-22 | 源秩科技（上海）有限公司 | Line angle coupling driving mechanism |
| CN108306450A (en) * | 2018-01-19 | 2018-07-20 | 源秩科技（上海）有限公司 | Line angle coupling driving mechanism |
| CN110145477A (en) * | 2019-05-06 | 2019-08-20 | 杭州科晟能源技术有限公司 | A kind of vapour automatically switched, electric hybrid drive blower fan structure |
| CN110145477B (en) * | 2019-05-06 | 2020-08-25 | 杭州科晟能源技术有限公司 | Steam-electricity dual-power driving fan structure capable of being automatically switched |
| CN112573051A (en) * | 2019-09-27 | 2021-03-30 | 江苏华章物流科技股份有限公司 | Article conveying device |
| CN112573051B (en) * | 2019-09-27 | 2023-03-10 | 江苏华章物流科技股份有限公司 | Article conveying device |
| CN114076083A (en) * | 2020-08-18 | 2022-02-22 | 江西杰豹机电有限公司 | Novel air compressor machine convenient to overhaul |
| CN112290770A (en) * | 2020-10-16 | 2021-01-29 | 煤科集团沈阳研究院有限公司 | Device and method capable of directly starting asynchronous motor |
| CN114244015A (en) * | 2021-12-14 | 2022-03-25 | 深圳市众平电机有限公司 | Small and micro motor for breathing machine |
| CN114229650A (en) * | 2022-01-12 | 2022-03-25 | 迈格钠磁动力股份有限公司 | Permanent-magnet safety retarding device for elevator traction sheave |
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