CN205430032U - Flexible speed regulator of permanent magnetism - Google Patents

Abstract

The utility model relates to a transmission speed governing technology field discloses a flexible speed regulator of permanent magnetism, including input shaft, power rotor, output shaft, slave drive rotator and speed control mechanism, the input shaft with output shaft, the power rotor with input shaft, slave drive rotator with but output shaft endwise slip ground is connected, the power rotor with the slave drive rotator coaxial line sets up, speed control mechanism is planar cam speed control mechanism, planar cam speed control mechanism includes executor, camshaft, planar cam, push -and -pull cover and gyro wheel, the executor via the camshaft planar cam the push -and -pull cover the gyro wheel with slave drive rotator connects, and transmission in proper order, the executor drives slave drive rotator axial reciprocating sliding. The utility model provides a flexible speed regulator of permanent magnetism simple structure, the reliability is high, and energy -conservation nature is good, can effectively monitor the running state of machine.

Description

A kind of permanent magnetism flexibility speed regulator

Technical field

This utility model relates to drive speed-adjusting technical field, particularly relates to a kind of permanent magnetism flexibility speed regulator.

Background technology

Permanent magnetism Flexible Transmission technology refers under the effect of external force, utilizes bonding force produced by driving and driven permanent magnetic field (including captivation and repulsive force) in drive disk assembly to realize power or a kind of emerging drive technology of torque (power) non contact transmission.Permanent magnetism flexibility speed adjusting technique belongs to a branch of permanent magnetism Flexible Transmission technology, it is possible to achieve online stepless stepless speed control.

At present, existing permanent magnetism flexibility speed regulator mainly has following three kinds:

nullThe first speed regulator includes the outer rotor being connected with the first axle and the internal rotor being connected with the second axle and the speed adjusting gear being connected with internal rotor，Outer rotor is provided with the first rotor dish and the second rotor disk，Internal rotor is provided with third trochanter dish、Fourth trochanter dish and a telophragma，Telophragma and the second axle connect and between third trochanter dish and fourth trochanter dish，Third trochanter dish is socketed on the second axle slidably，Fourth trochanter dish is then connected with speed adjusting gear，Third trochanter dish、Many torsion pass pins and air gap adjusting device is worn between telophragma and fourth trochanter dish，Air gap adjusting device includes a gear and two parallel tooth bars，Two toothed rack lay respectively at the both sides of gear and engage with gear，Gear is arranged on telophragma，Wherein a toothed rack is fixedly connected on third trochanter dish，Another toothed rack is fixedly connected on fourth trochanter dish，Wherein speed adjusting gear includes a bearing block and a sliding outer cover，It is provided with bearing between bearing block and the second axle，The external cylindrical surface of bearing block is provided with helicla flute，The lower end of sliding outer cover is enclosed within bearing block，Roller and swing arm it is fixed with on sliding outer cover，Roller inserts in the helicla flute of bearing block，Swing arm is connected with a YE，The upper end of sliding outer cover is enclosed within slidably on the second axle and is connected with fourth trochanter dish by bearing；nullThe second speed regulator includes the power rotor being connected with power shaft、The driven rotor being connected with output shaft，There is between power rotor and driven rotor the permanent magnetic rotation disc being oppositely arranged and conductor rotating disk，Also include the speed adjusting gear for regulating driven rotor rotating speed，Power shaft is bearing in a power shaft bearing，Power shaft bearing is fixed in an input gripper shoe，Output shaft is bearing in an output shaft bearing，Output shaft bearing is fixed in an output gripper shoe，Input gripper shoe is parallel with output gripper shoe and is fixedly connected on same base，Wherein speed adjusting gear is connected with driven rotor，Speed adjusting gear includes a sliding outer cover and the helicla flute being arranged on output shaft bearing external cylindrical surface，One end of sliding outer cover is enclosed within output shaft bearing，Pulley and swing arm it is fixed with on sliding outer cover，Described pulley can slide in the helicla flute of output shaft bearing，Swing arm is connected with a YE；The third speed regulator includes support, chassis lid, power rotor, magnet rotor, support fixes on the ground, support and chassis lid are connected as horizontal middle open type structure, power shaft, the output shaft stretched out from support, chassis lid is set in speed regulator, power shaft the inner is provided with the needle bearing connected with output shaft the inner, connect on power shaft and have the conductor plate connected with power rotor, connecting on output shaft and have the permanent magnetism frid connected with magnet rotor, permanent magnetism frid is connected to Worm and worm-wheel gearing by angular contact bearing.

But, the speed adjusting gear structure of speed regulator of the prior art is complicated, transmission chain length, takes up room big, high material consumption, and difficulty of processing is big, and matching requirements are high, and resistance to sliding is big；Employing centripetal/thrust bearing, add vibration and noise, when load is bigger, limit speed is relatively low, it is impossible to for high rotating speed, large-power occasions；Do not detect the vibration of rotor and axle, it is impossible to effectively monitor the running status of machine.And the cantilever lengths of the first axle in the first speed regulator, the second axle is relatively big, the radial vibration of rotor is big, causes reliability to reduce；Meanwhile, rotor axial stopping means is not set, it is impossible to for the occasion that motor or load axial movement value are bigger.Power shaft in the second speed regulator, output shaft cantilever lengths relatively big, the radial vibration causing rotor is big, causes reliability to reduce.The third speed regulator need to use bronze to wait metal costly, and the accuracy of manufacture requires height；Being located at that power shaft is inner and that output shaft the inner connects needle bearing lubricating difficulties, service life is short, and the axiality between power shaft, output shaft is required height.

Utility model content

Technical problem to be solved in the utility model is to overcome deficiency of the prior art, it is provided that a kind of permanent magnetism flexibility speed regulator, simple in construction, and reliability is high, good energy saving property, it is possible to effectively monitor the running status of machine.

In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is as follows:

A kind of permanent magnetism flexibility speed regulator, including power shaft, power rotor, output shaft, driven rotor and speed adjusting gear, described power shaft is connected with described output shaft coaxial line, described power rotor is connected with described power shaft, described driven rotor is axially reciprocal with described output shaft and is slidably connected, described power rotor is coaxially set with described driven rotor, described speed adjusting gear is plane cam speed adjusting gear, described plane cam speed adjusting gear includes executor, camshaft, plane cam, push-and-pull set and roller, described executor is via described camshaft, described plane cam, described push-and-pull set, described roller is connected with described driven rotor, and transmission successively, described executor is used for driving described driven rotor axial reciprocating to slide.

Wherein, described power shaft is connected with output shaft coaxial line by interaxle slip bearing, and described interaxle slip bearing is installed in power shaft and near one end of output shaft or is installed in output shaft one end near power shaft.

Wherein, described plane cam is connected with push-and-pull set, and described push-and-pull set is axially reciprocal and is slidably mounted on output shaft, and described push-and-pull set is relatively turnable with roller to be connected, and described roller is fixing with driven rotor to be connected or relatively turnable connection.

Wherein, it is provided with between described push-and-pull set and output shaft between linear motion rolling bearing, or described push-and-pull set and output shaft and is provided with lubricant medium.

Wherein, described push-and-pull set is shaped as rectangle, dove-tail, V-arrangement or U-shaped with the face that coordinates between described roller.

Wherein, described permanent magnetism flexibility speed regulator also includes that slip thrust brake, described slip thrust brake are arranged in pairs in the both sides of power rotor, or is provided separately within the side of power rotor.

Wherein, described slip thrust brake is plain thrust bearing or thrust-journal plain bearing.

Wherein, described permanent magnetism flexibility speed regulator also includes vibration measurement device, and described vibration measurement device is for measuring power shaft, power rotor, output shaft, the radial vibration information of driven rotor and/or axial displacement information.

Wherein, described vibration measurement device includes vibrating sensor, signal suitable tune device and reading instument.

Compared with prior art, this utility model has the advantages that

A kind of permanent magnetism flexibility speed regulator that this utility model provides, uses the coupling area between plane cam speed adjusting gear regulation power rotor and driven rotor or size of gaps, simple in construction, kinematic chain is short, and transmission accuracy is high, good energy saving property, reliability is high, and beneficially machine the most reliably and securely runs.

Accompanying drawing explanation

The structural representation of the permanent magnetism flexibility speed regulator that Fig. 1 provides for this utility model；

Fig. 2 is the structural representation of permanent magnetism flexibility speed regulator in this utility model embodiment one；

Fig. 3 is the structural representation of permanent magnetism flexibility speed regulator in this utility model embodiment two；

Fig. 4 is the structural representation of permanent magnetism flexibility speed regulator in this utility model embodiment three；

Fig. 5 is the structural representation of permanent magnetism flexibility speed regulator in this utility model embodiment four；

Fig. 6 is the structural representation of permanent magnetism flexibility speed regulator in this utility model embodiment five.

In figure, 1: power shaft；2: power rotor；2a: dish type power rotor；2b: tubular power rotor；3: interaxle slip bearing；4: output shaft；5: driven rotor；5a: disc-shaped driven rotor；5b: tubular driven rotor；6: plane cam；6a: do not set the plane cam of groove；6b: set reeded plane cam；7: camshaft；8: linear motion rolling bearing；9: push-and-pull set；9a: do not set the push-and-pull set of flange；9b: be provided with the push-and-pull set of flange；10: stop pin；11: roller；11a:V shape grooved roller；11b: rectangular channel roller；12: connector；12a: bolt；12b: bearing pin；13: plain bearing housing；13a: thrust-journal plain bearing seat；13b: plain thrust bearing seat；14: thrust shoe；15: radial direction watt；16: radial vibration sensor；17: axial vibration sensor；18: roller；19: half a coupler.

Detailed description of the invention

For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.

In description of the present utility model, it will be appreciated that, term " on ", D score, " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than instruction or the device of hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in this utility model.

nullAs shown in Figure 1，A kind of permanent magnetism flexibility speed regulator provided for this utility model，Including power shaft 1、Power rotor 2、Output shaft 4、Driven rotor 5 and speed adjusting gear，Power shaft 1 is connected with output shaft 4，Power rotor 2 is connected with power shaft 1，Driven rotor 5 and output shaft 4 are axially reciprocal the connection of slip，Power rotor 2 is coaxially set with driven rotor 5，Speed adjusting gear is plane cam speed adjusting gear，Plane cam speed adjusting gear includes executor's (not shown)、Camshaft 7、Plane cam 6、Push-and-pull set 9 and roller 11，Executor is via camshaft 7、Plane cam 6、Push-and-pull set 9、Roller 11 is connected with driven rotor 5，And transmission successively，Executor is used for driving driven rotor 5 axial reciprocating to slide，Wherein，Executor is by the coupling area between regulation power rotor 2 and driven rotor 5 or size of gaps，Thus regulating load rotating speed，Plane cam speed adjusting gear uses part few，Simple in construction，Kinematic chain is short，Transmission accuracy is high，Good energy saving property，Reliability is high.

Owing to prior art being connected by rolling bearing between power shaft with output shaft, and the vibration of rolling bearing and noise are bigger, and when load is bigger, the limit speed of rolling bearing is relatively low, cannot be used for high rotating speed, powerful occasion, therefore, power shaft 1 of the present utility model is connected with output shaft 4 by interaxle slip bearing 3, interaxle slip bearing 3 is installed in power shaft 1 and near one end of output shaft 4 or is installed in output shaft 4 one end near power shaft 1, wherein, it is little that Noise of Rolling Bearing compared by interaxle slip bearing 3, vibrate little, design, easy to manufacture, operate steadily；Interaxle slip bearing 3 makes power shaft 1 and output shaft 4 support mutually in a certain degree, guides, and reduce power shaft 1 and the cantilever lengths of output shaft 4, reduce rotor and the radial vibration of axle, improve the reliability of related components, and because leaving suitable gap between sliding bearing and axle, the axiality between power shaft 1 and output shaft 4 is required it is not the highest.

Further, the lubricating difficulties of rolling bearing between power shaft and output shaft in prior art, service life is short, and the axiality between power shaft 1, output shaft 4 is required higher, interaxle slip bearing 3 of the present utility model preferably is selected from lubrication sliding bearing, the bearing shell of self-lubricating plain bearing is porous alloy product, lubricating oil it is full of between hole, when axle rotates, the swabbing action rotated because of axle journal, and axle makes metal and oily expanded by heating that oil is extruded hole with the frictional heating of bearing, lubricating oil can ooze out from the inside diameter surface of bearing, thus plays lubrication；When axle stops operating, after bearing cooling, oil is back to again in the hole of Bearing inner, and the consumption of lubricating oil is few, can be at not longtime running under conditions of external complement lubricating oil, be not required to special oil supply mechanism, and sliding bearing to compare Noise of Rolling Bearing little, vibrate little, operate steadily, operating cost is the lowest, simple in construction, design, easy to manufacture.

In order to ensure that executor can more preferably drive driven rotor 5 to reciprocatingly slide vertically, plane cam 6 is connected with push-and-pull set 9, push-and-pull set 9 is axially reciprocal and is slidably mounted on output shaft 4, push-and-pull set 9 is connected rotatably with roller 11, roller 11 is connected or relatively turnable connection by connector 12 is fixing with driven rotor 5, wherein, connector 12 can be bolt, it is also possible to for bearing pin.

In prior art, the speed adjusting gear structure of speed regulator is complicated, transmission chain length, takes up room big, high material consumption, and difficulty of processing is big, and matching requirements are high, and resistance to sliding is big；Employing centripetal/thrust bearing, add vibration and noise, when load is bigger, limit speed is relatively low, it is impossible to for high rotating speed, large-power occasions.Speed adjusting gear of the present utility model is plane cam speed adjusting gear, executor's (not shown) is connected with driven rotor 5 via camshaft 7, plane cam 6, push-and-pull set 9, roller 11, and transmission successively, driven rotor 5 axial reciprocating is driven to slide, coupling area between regulation power rotor 2 and driven rotor 5 or size of gaps, thus regulating load rotating speed.This speed adjusting gear simple in construction, number of parts is few, and kinematic chain is short, transmission accuracy is high, and acceleration peak value is little, and centripetal/thrust bearing that when this speed adjusting gear does not use more fragile, load bigger, limit speed is relatively low, can be used in high rotating speed, powerful occasion, reliability is high.

Push-and-pull is even avoided to overlap the friction between 9 and output shaft 4, abrasion in order to reduce, preferably, linear motion rolling bearing 8 it is provided with between push-and-pull set 9 and output shaft 4, detailed, linear motion rolling bearing 8 is minimum with the rolling linear guide pin bushing pair coefficient of friction that output shaft 4 is constituted, its value only has 0.001～0.004, being only the 1/40～1/100 of sliding straight guide pin bushing pair, save power, trace moves flexible, accurate, without creeping during low speed, precision is high, and translational speed is fast, has self-adjusting ability, the machining accuracy of phase accessory can be reduced, keep in repair, lubricate simplicity；Or, preferably it is provided with lubricant medium between push-and-pull set 9 and output shaft 4, detailed, when push-and-pull set 9 is assemblied in and constitutes sliding straight guide pin bushing pair on output shaft 4, coordinating between push-and-pull set 9 and output shaft 4 is provided with self-lubricating material or smears lubricant on face, in order to extend the service life of speed adjusting gear.

Push-and-pull set 9 is connected with driven rotor 5 by roller 11, and then realize the slip of driven rotor 5 axial reciprocating, do axial reciprocating for the ease of push-and-pull set 9 drive driven rotor 5 along output shaft 4 to slide, the preferably face that coordinates between push-and-pull set 9 and roller 11 is shaped as rectangle, dove-tail, V-arrangement or U-shaped, can certainly be other shapes and the groove of concavo-convex coupling and projection, in order to increase the contact area between roller 11 and push-and-pull set 9；The face that coordinates between push-and-pull set 9 and roller 11 is provided with self-lubricating material or smears lubricant, in order to reduce abrasion, improves the reliability of push-and-pull set 9 and roller 11.

In the work process of permanent magnetism flexibility speed regulator, power rotor 2 and driven rotor 5 phase mutual friction or collision can be caused after the axial movement value of motor or load reaches certain value, cause mechanical disorder.In order to make the axially-movable of power rotor 2 and/or driven rotor 5 be restricted, the axial movement value effectively preventing motor and/or load reaches certain value and causes power rotor 2 and driven rotor 5 phase mutual friction or the fault of collision, permanent magnetism flexibility speed regulator of the present utility model also includes slip thrust brake, slip thrust brake is arranged in pairs in the both sides of power rotor 2, or is provided separately within the side of power rotor 2.

Further, slip thrust brake is plain thrust bearing or thrust-journal plain bearing, and the plain bearing housing 13 of this slip thrust brake is fixed in equipment Foundations or frame；When the lubricating system of slip thrust brake is hydrodynamic lubrication, plain thrust bearing includes plain thrust bearing seat, thrust shoe 14 and lubricating system (not shown), and thrust-journal plain bearing includes thrust-journal plain bearing seat, thrust shoe 14, radial direction watt 15 and lubricating system (not shown)；When the lubricating system of slip thrust brake is self-lubricating, plain thrust bearing includes plain thrust bearing seat, thrust shoe 14, and thrust-journal plain bearing includes thrust-journal plain bearing seat, thrust shoe 14, radial direction watt 15；Compared with rolling bearing, sliding bearing has the features such as simple in construction, stable working, reliable, noiseless, bearing capacity are strong, under the conditions of hydrodynamic lubrication, slidingsurface separately is not occurred directly to contact by lubricating oil, friction loss and surface abrasion can also be greatly reduced, and oil film also has certain vibration absorption ability.

Further, self-lubricating sliding thrust brake (i.e. self-lubricating plain thrust bearing or self-lubricating thrust-journal plain bearing) can be at not longtime running under conditions of external complement lubricating oil, it is not required to special oil supply mechanism, simple in construction, design, easy to manufacture, noise ratio rolling bearing is little, vibrates little, operating steadily, operating cost is the lowest；Preferably, bearing capacity is high for the shock resistance of hydrodynamic lubrication slip thrust brake (i.e. hydrodynamic lubrication plain thrust bearing or hydrodynamic lubrication thrust-journal plain bearing), vibration ability, can be used for middle and high rotating speed occasion, runs balance, and friction power loss is little.

Permanent magnetism flexibility speed regulator belongs to rotary machine, and the key character that rotary machine breaks down is that machine is with abnormal vibration and noise, its vibration signal is from amplitude domain, frequency domain and time domain reflect mechanical disorder information in real time, simultaneously, most mechanical breakdowns of rotary machine are all directly related with rotating element, constitute about 70%, and from other local it can be found that fault less, when breaking down, rotate on element the change of vibration than bearing block and shell sensitivity much, it is more direct than the vibration information of test bearing seat or casing and effective that monitoring rotates element, the information of state of runtime machine can be more accurately provided for protection machine and Predictive Maintenance.Therefore, permanent magnetism flexibility speed regulator of the present utility model is also provided with vibration measurement device, for measuring the vibration information of machine, effectively to monitor the running status of machine.Vibration measurement device includes vibrating sensor, signal is suitable adjusts device and reading instument, wherein, vibrating sensor includes radial vibration sensor 16 and axial vibration sensor 17, radial vibration sensor 16 is used for measuring power shaft 1, power rotor 2, output shaft 4, driven rotor 5 grade rotates the radial vibration information of element, axial vibration sensor 17 is used for measuring power shaft 1, power rotor 2, output shaft 4, driven rotor 5 grade rotates the axial displacement information of element, to monitor motor, the axial float situation of load, namely power rotor 2, the axial misalignment of driven rotor 5.

Further, vibrating sensor can be noncontacting proximity sensor or contact inertial sensor, it is also possible to for noncontacting proximity sensor and the combination of contact inertial sensor；Generally use noncontacting proximity sensor and measure rotation element and the relative motion of structural detail (such as radical-thrust/plain thrust bearing seat, bearing)；Contact inertial sensor is used to measure the absolute movement rotating element, or noncontacting proximity sensor with combine to measure in the output of the upper inertial sensor installed of structural detail (such as radical-thrust/plain thrust bearing seat, bearing) and rotate the absolute movement of element, this utility model is preferably used noncontacting proximity sensor.

Detailed, typically use two sensor measurements to rotate the radial vibration of elements on same sagittal plane, and generally use and vertically and horizontally install, or use and vertically and horizontally become ± 45 ° of installations.

In order to preferably protect machine; prevent machine breakdown; the permanent magnetism flexibility speed regulator that this utility model provides also includes reporting to the police and shutdown system; there is provided warning and the form of shutdown to machine set operational shock limit value; wherein; warning system: alert the vibration amplitude having reached to specify or vibration has occurred and that notable change; needs adopt remedial measures; in general; if alarm condition occurs; machine can continue to run with a period of time, should carry out studying determine vibration reason of changes and make remedial measure simultaneously；Shutdown system: specify a vibration amplitude, exceedes this value machine and continues to run with and may cause damage, the minimizing vibration or shut down if it exceeds shutdown value should take urgent measure.

Further, power rotor 2 is conductor rotor, and driven rotor 5 is p-m rotor, or power rotor 2 is p-m rotor, and driven rotor 5 is conductor rotor；Permanent magnetism flexibility speed regulator is tubular permanent magnetism flexibility speed regulator, or dish type permanent magnetism flexibility speed regulator, or the permanent magnetism flexibility speed regulator that dish type combines with tubular.

Embodiment one

nullAs shown in Figure 2，This permanent magnetism flexibility speed regulator is dish type permanent magnetism flexibility speed regulator，Power rotor 2 is dish type power rotor 2a，Driven rotor 5 is disc-shaped driven rotor 5a，Interaxle slip bearing 3 is installed on power shaft 1 end near output shaft 4，Push-and-pull set 9 is the push-and-pull set 9a not setting flange，Linear motion rolling bearing 8 it is provided with between itself and output shaft 4，Plane cam 6 is the plane cam 6a not setting groove，It is clipped between 2 rollers 18，Roller 11 is V-shaped groove roller 11a，V-arrangement is used to coordinate face between itself and the push-and-pull set 9a not setting flange，Connector 12 is bolt 12a，V-shaped groove roller 11a is connected by bolt 12a and driven rotor 5a is fixing，Push-and-pull set 9a is provided with stop pin 10，Slip thrust brake is thrust-journal plain bearing，Its lubricating system is hydrodynamic lubrication，Radial vibration sensor 16 is preferably 4，Wherein it is respectively arranged with 2 to be respectively used to measure dish type power rotor 2a and the radial vibration of output shaft 4，Axial vibration sensor 17 is preferably two，Its axial displacement being respectively used to measure the half a coupler 19 being installed on power shaft 1 and output shaft 4，Namely dish type power rotor 2a and the axial displacement of disc-shaped driven rotor 5a.Stop pin 10 is fixed in equipment rack or equipment Foundations, for preventing the push-and-pull set 9a because not setting flange from slowly rotating in circumference with V-shaped groove roller 11a, cause the plane cam 6a not setting groove to depart from roller 18, occur not setting the phenomenon that the motion transmission between the plane cam 6a of groove and the push-and-pull set 9a not setting flange was lost efficacy.

Embodiment two

As shown in Figure 3, embodiment two differs only in embodiment one: push-and-pull set 9 is the push-and-pull set 9b being provided with flange, the push-and-pull set 9b being provided with flange is assemblied on output shaft 4, plane cam 6a is clipped between the 2 circle flanges of the push-and-pull set 9b being provided with flange, avoid the occurrence of the motion transmission failure phenomenon between plane cam 6a and push-and-pull set 9b, being provided with on the push-and-pull set 9b of flange is not required to set up defences ships and resell on another market 10, roller 11 is rectangular channel roller 11b, uses rectangle to coordinate face between rectangular channel roller 11b and the push-and-pull set 9b being provided with flange；The lubricating system of thrust-journal plain bearing is self-lubricating.

Embodiment three

As shown in Figure 4, embodiment three differs only in embodiment one: plane cam 6 is for setting reeded plane cam 6b, roller 18 extend in the groove setting reeded plane cam 6b, avoid the occurrence of the motion transmission failure phenomenon set between reeded plane cam 6b and the push-and-pull set 9a not setting flange, not setting does not sets up defences on the push-and-pull set 9a of flange ships and resell on another market 10, slip thrust brake is plain thrust bearing, and its lubricating system is hydrodynamic lubrication.

Embodiment four

nullAs shown in Figure 5，This permanent magnetism flexibility speed regulator is tubular permanent magnetism flexibility speed regulator，Power rotor 2 is tubular power rotor 2b，Driven rotor 5 is tubular driven rotor 5b，Interaxle slip bearing 3 is installed on power shaft 1 end near output shaft 4，Push-and-pull set 9 is the push-and-pull set 9a not setting flange，Linear motion rolling bearing 8 it is provided with between itself and output shaft 4，Plane cam 6 is for setting reeded plane cam 6b，Roller 18 inserts in the groove of plane cam 6b，It can be avoided that the motion transmission failure phenomenon setting between reeded plane cam 6b and the push-and-pull set 9a not setting flange occurs，Roller 11 is V-shaped groove roller 11a，That is V-arrangement is used to coordinate face between V-shaped groove roller 11a and the push-and-pull set 9a not setting flange，Connector 12 is bearing pin 12b，V-shaped groove roller 11a is connected with tubular driven rotor 5b rotatably by bearing pin 12b，Slip thrust brake is plain thrust bearing，Its lubricating system is self-lubricating，Radial vibration sensor 16 is preferably two，It is respectively used to measure tubular power rotor 2b and the radial vibration of output shaft 4，Axial vibration sensor 17 is preferably two，Its axial displacement being respectively used to measure the half a coupler 19 being installed on power shaft 1 and output shaft 4，Namely tubular power rotor 2b and the axial displacement of tubular driven rotor 5b.

Embodiment five

As shown in Figure 6, embodiment five differs only in embodiment four: interaxle slip bearing 3 is installed on output shaft 4 end near power shaft 1, push-and-pull set 9 is the push-and-pull set 9b being provided with flange, it is fit directly on output shaft 4, plane cam 6 is the plane cam 6a not setting groove, it is clipped between the 2 circle flanges of the push-and-pull set 9b being provided with flange, it can be avoided that the motion transmission failure phenomenon not setting between the plane cam 6a of groove and the push-and-pull set 9b being provided with flange occurs, roller 11 is rectangular channel roller 11b, that is rectangle is used to coordinate face between rectangular channel roller 11 and the push-and-pull set 9b being provided with flange, slip thrust brake is thrust-journal plain bearing, its lubricating system is hydrodynamic lubrication.

In sum, the permanent magnetism flexibility speed regulator that this utility model provides, speed adjusting gear simple in construction, reliability is high, good energy saving property；Slip thrust brake is it can be avoided that infringement to this speed regulator when the axial movement value of motor or load reaches certain value；Vibration measurement device can effectively monitor the running status of machine, pinpoints the problems in early days, it is to avoid machine catastrophic failure.

Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of this utility model each embodiment technical scheme.

Claims (9)

1. null1. a permanent magnetism flexibility speed regulator，It is characterized in that，Including power shaft (1)、Power rotor (2)、Output shaft (4)、Driven rotor (5) and speed adjusting gear，Described power shaft (1) is connected with described output shaft (4)，Described power rotor (2) is connected with described power shaft (1)，Described driven rotor (5) is axially slidable with described output shaft (4) to be connected，Described power rotor (2) is coaxially set with described driven rotor (5)，Described speed adjusting gear is plane cam speed adjusting gear，Described plane cam speed adjusting gear includes executor、Camshaft (7)、Plane cam (6)、Push-and-pull set (9) and roller (11)，Described executor is via described camshaft (7)、Described plane cam (6)、Described push-and-pull set (9)、Described roller (11) is connected with described driven rotor (5)，And transmission successively，Described executor is used for driving described driven rotor (5) axial reciprocating to slide.
2. Permanent magnetism flexibility speed regulator the most according to claim 1, it is characterized in that, described power shaft (1) is connected with output shaft (4) coaxial line by interaxle slip bearing (3), and described interaxle slip bearing (3) is installed in power shaft (1) and near one end of output shaft (4) or is installed in output shaft (4) one end near power shaft (1).
3. Permanent magnetism flexibility speed regulator the most according to claim 1, it is characterized in that, described plane cam (6) is connected with push-and-pull set (9), described push-and-pull set (9) is axially reciprocal being assemblied on output shaft (4) of slip, described push-and-pull set (9) is relatively turnable with roller (11) to be connected, and described roller (11) is fixing with driven rotor (5) to be connected or relatively turnable connection.
4. Permanent magnetism flexibility speed regulator the most according to claim 3, it is characterized in that, it is provided with linear motion rolling bearing (8) between described push-and-pull set (9) and output shaft (4), or is provided with lubricant medium between described push-and-pull set (9) and output shaft (4).
5. Permanent magnetism flexibility speed regulator the most according to claim 3, it is characterised in that the face that coordinates between described push-and-pull set (9) and roller (11) is shaped as rectangle, dove-tail, V-arrangement or U-shaped.
6. 6. according to the permanent magnetism flexibility speed regulator described in any one of claim 1-5, it is characterized in that, also include that slip thrust brake, described slip thrust brake are arranged in pairs in the both sides of power rotor (2), or be provided separately within the side of power rotor (2).
7. Permanent magnetism flexibility speed regulator the most according to claim 6, it is characterised in that described slip thrust brake is plain thrust bearing or thrust-journal plain bearing.
8. 8. according to the permanent magnetism flexibility speed regulator described in any one of claim 1-5, it is characterized in that, also include that vibration measurement device, described vibration measurement device are used for measuring power shaft (1), power rotor (2), output shaft (4), the radial vibration information of driven rotor (5) and/or axial displacement information.
9. Permanent magnetism flexibility speed regulator the most according to claim 8, it is characterised in that described vibration measurement device includes that vibrating sensor, signal are suitable and adjusts device and reading instument.