CN204119007U - Speed regulating device - Google Patents
Speed regulating device Download PDFInfo
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- CN204119007U CN204119007U CN201420700792.9U CN201420700792U CN204119007U CN 204119007 U CN204119007 U CN 204119007U CN 201420700792 U CN201420700792 U CN 201420700792U CN 204119007 U CN204119007 U CN 204119007U
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Abstract
The utility model provides a kind of speed regulating device, belong to mechanical transmission field, comprise support, motor shaft, bearing axle, disk, conductor disc and hollow hydraulic cylinder, motor shaft and support are rotationally connected by bearing, and bearing axle and support are rotationally connected by bearing; Disk is arranged on one end of the close motor shaft of bearing axle, and conductor disc is fixedly installed on one end of the close bearing axle of motor shaft and corresponding with disk; Owing to being white space between pipe in the annular of hollow hydraulic cylinder, bearing axle can pass, and can not change the position of parts; And, plunger due to hollow hydraulic cylinder is circular, the end face away from cavity of plunger is all connected with connector, the part that connector contacts with axle sleeve is stressed very evenly and shift length is completely equal,, stable performance more simple relative to mechanical type axial screw moving structure, plunger is directly connected with axle sleeve, and reduce driving parts, energy loss is less.
Description
Technical field
The utility model relates to mechanical transmission field, in particular to speed regulating device.
Background technology
Permanent magnetic coupling is realized by the device of motor to the torque transfer of load by the air gap between conductor disc and disk, can realize the kind of drive of mechanical link between motor and load.Permanent magnetic coupling is widely used in speed regulating device, can adjust the output speed of load equipment at any time, reach the object of variable speed energy saving.Permanent magnetic coupling is generally made up of conductor disc and disk, existing disk generally comprises disk skeleton and permanent magnet, permanent magnet is fixed on disk skeleton, produce magnetic field, when relatively rotating between conductor disc and disk, the magnetic line of force that conductor disc cutting permanent magnet produces also produces vortex flow, and vortex flow produces dislike magnetic field, the magnetic field reciprocation produced with permanent magnet, thus realize transmission of torque therebetween.
In order to energy-conservation, need to control the air gap between disk and conductor disc, thus the coupling area controlled therebetween, transmit different torques, thus realizing the object of speed governing, existing speed adjusting gear generally all adopts mechanical type axial screw moving structure, and this structure is comparatively complicated, in the course of work, power consumption too much, causes energy waste.
Utility model content
The utility model provides a kind of speed regulating device, and the problems referred to above are improved.
The utility model is achieved in that
A kind of speed regulating device, comprising:
Support;
Motor shaft, described motor shaft and described support are rotationally connected by bearing, and described support is stretched out in one end of described motor shaft, for being connected with the rotation axis of motor;
Bearing axle, described bearing axle and described support are rotationally connected by bearing, and described support is stretched out, for being connected with load in one end away from described motor shaft of described bearing axle;
Disk, described disk is arranged on one end of the close described motor shaft of described bearing axle, and described disk is slidably connected by axle sleeve and described bearing axle;
Conductor disc, described conductor disc is fixedly installed on one end of the close described bearing axle of described motor shaft and corresponding with described disk;
Hollow hydraulic cylinder, described hollow hydraulic cylinder comprises pipe in annular outer tube and annular, in described annular pipe be arranged on described annular outer tube inside and with described annular outer concentric tube, form cavity between pipe in described annular outer tube and described annular, in described cavity, be provided with the plunger of annular; One end away from described cavity of described plunger is provided with connector, described connector is set in the outside of described axle sleeve, the inner side of described axle sleeve and the outside correspondence of connector are provided with annular protrusion and annular groove, and described annular protrusion is embedded in described annular groove; Described bearing axle is through the inner side of pipe in described annular.
Support is for supporting other part and protecting internal unit.Motor shaft is connected with the rotation axis of motor, and driven by motor motor shaft rotates, and for speed regulating device provide power, is rotationally connected between motor shaft and housing by bearing, input torque; Bearing axle is used for Driving Torque, and bearing axle is connected with load and drives its rotation to realize certain action.Disk and conductor disc coordinate formation permanent magnetic coupling, certain air gap is there is between disk and conductor disc, disk produces magnetic field, when the two relatively rotates, the magnetic line of force that conductor disc cutting disk produces also produces vortex flow, and vortex flow produces dislike electric field, the magnetic field reciprocation produced with disk, disk drives bearing axle to rotate, and realizes the transmission of torque.Axle sleeve is fixedly connected with disk and can moves left and right relative to the axial line of bearing axle along bearing axle, and hollow hydraulic cylinder can drive disk motion, regulates the air gap between disk and conductor disc.Hollow hydraulic cylinder moves along the axial line of bearing axle for driving axle sleeve, namely drives disk motion, regulates the air gap between disk and conductor disc, changes coupling area therebetween, realizes the transmission of different torque.Fixing between disk and axle sleeve, can relative sliding but cannot relatively rotate between the plunger of support and hollow hydraulic cylinder, coordinate between annular protrusion and annular groove and make can relatively rotate between the connector on plunger and axle sleeve but cannot relative sliding, can relative sliding but cannot relatively rotate between axle sleeve and bearing axle, can to relatively rotate between bearing axle and support but cannot relative sliding; When needing to regulate the air gap between disk and conductor disc, control hollow hydraulic cylinder works, the plunger band follower link of hollow hydraulic cylinder moves along the direction of axis line of bearing axle, because annular protrusion is embedded in annular groove, axle sleeve can move left and right with plunger, and between axle sleeve and bearing axle, not producing active force, bearing axle maintains static, and axle sleeve can move along the direction of axis line of bearing axle; Fixing between disk and axle sleeve, therefore disk moves with axle sleeve, and the direction of motion is vertical with the end face of the close conductor disc of disk, and the air gap between disk and conductor disc changes, and coupling area changes immediately, thus realizes speed governing object.Relative sliding herein refers to and to move along the direction of axis line of bearing axle to contrary both direction or one of them part is motionless, another one part moves along the direction of axis line of bearing axle.
Further, one end away from described cavity of the plunger of described hollow hydraulic cylinder is provided with guide post, described support is provided with pilot hole, one end of described guide post is fixedly connected with described plunger, the other end runs through described pilot hole, the axis parallel of the axial line of described guide post, the axial line of described pilot hole and described bearing axle.
Guide post runs through pilot hole, and guide post can slide but can not rotate in pilot hole, thus realizes the relative sliding between plunger and support; Due to certain frictional force can be produced between annular protrusion and annular groove when axle sleeve rotates, thus make the plunger of hollow hydraulic cylinder have the trend of rotation, plunger is by after guide post and pilot hole guiding, plunger is limited, can only slide along the direction of guide post, cannot rotate, ensure the plunger stability of hollow hydraulic cylinder.
Further, described disk is provided with axial magnetic patch and radial magnetic patch, line centered by the axial line of described disk, described axial magnetic patch and the equal circular array shape of described radial magnetic patch; The side of the close described disk of described conductor disc is provided with the first conductor region and the second conductor region, corresponding with described axial magnetic patch and radial magnetic patch respectively.
Axial magnetic patch and radial magnetic patch form two different magnetic fields, and the first conductor region of the corresponding conductor disc of difference and the second conductor region, can increase the maximum power of permanent magnetic coupling when disk diameter is fixed.Between axial magnetic patch and the first conductor region, between radial magnetic patch and the second conductor region, all there is certain air gap, when conductor disc is rotated, the magnetic line of force that first conductor region cutting axis produces to magnetic patch also produces vortex flow, vortex flow produces dislike magnetic field, the magnetic field reciprocation produced with axial magnetic patch, realizes the transmission of torque; Second conductor region is cut the magnetic line of force of radial magnetic patch generation and is produced vortex flow, and vortex flow produces dislike magnetic field, and the magnetic field reciprocation produced with radial magnetic patch, realizes the transmission of torque.The torque transfer effect that first conductor region and axial magnetic patch are formed and the second conductor region produce with the torque transfer effect that radial magnetic patch is formed and superpose, and acting in conjunction, realizes the transmission of torque, and the maximum power of permanent magnetic coupling increases, and laser propagation effect is better.
Further, described disk comprises disk skeleton, axial disk and radial disk, and described axial disk and described radial disk are ring-type, one end of described axial disk is fixedly connected with described disk skeleton, described axial disk is provided with axial notch, the radial cross-section of described axial notch is trapezoidal, the shorter base of the described trapezoidal length of side is minor face, another base is long limit, described minor face runs through madial wall or the lateral wall of described axial disk, described long limit is arranged on the inside of the sidewall of described axial disk, described axial notch runs through one end away from described disk skeleton of described axial disk, described axial magnetic patch or axial balancing weight is all embedded with in described axial notch, described first conductor region is annular groove-shaped, described axial disk embeds described first conductor region, the side of described radial disk is fixedly connected with described disk skeleton, and described radial disk is provided with radial groove, is embedded with described radial magnetic patch or radial balancing weight in described radial groove, and described second conductor region is adjacent with described radial disk.
Axial magnetic patch and axial balancing weight are embedded in axial notch, and all axial notches all use axial magnetic patch or axial balancing weight to fill up, and the two can take off and change, thus adjusts the quantity of axial magnetic patch, change the magnetic field intensity that axial magnetic dish is formed; Radial magnetic patch and radial balancing weight are embedded in radial groove, and all radial grooves all use radial magnetic patch or radial balancing weight to fill up, and the two can take off and change, thus adjusts the quantity of radial magnetic patch, change the magnetic field intensity that radial disk is formed.Magnetic field intensity changes the change causing the maximum power of permanent magnetic coupling, adapt to different demands, do not need to change disk, only need to adjust the quantity of axial magnetic patch and axial balancing weight or the quantity of radial magnetic patch and radial balancing weight, mode of operation is easy, and use cost is lower.During disc rotation, axial magnetic patch or axial balancing weight can be subject to the effect of centrifugal force, are positioned at axial magnetic patch outside axial disk or axial balancing weight may be thrown out of; When disk is static, axial magnetic patch or axial balancing weight can be subject to the effect of gravity, are positioned at axial magnetic patch inside axial disk or axial balancing weight may drop.Base and two waists of axial magnetic patch or axial balancing weight are all fitted with axial notch, then the radial cross-section of axial magnetic patch and axial balancing weight is also trapezoidal, trapezoidal minor face through-shaft is to the madial wall of disk or lateral wall, namely the upper bottom surface of axial magnetic patch and axial balancing weight is exposed, dielectric impedance is not had when forming magnetic field, long limit is positioned at the inside of axial disk, and axial magnetic patch or axial balancing weight embed in axial notch, and the two radially cannot come off from axial notch; And axial notch through-shaft is to one end away from disk skeleton of disk, axial magnetic patch or axial balancing weight can be removed replacing from this, change and fix easy.
Further, described disk is provided with through hole, the side of the close described disk of described conductor disc is provided with the first groove, one end of the close described conductor disc of described bearing axle is passed described through hole and stretches into described first groove, is rotationally connected between described bearing axle and described conductor disc by bearing.
Bearing axle is passed through hole and is rotationally connected by the inwall of bearing and the first groove, and the end of bearing axle is supported fixing, and bearing axle is more stable, can not shake, and torque transfer process is more reliable and more stable.
Further, in described bearing axle and described annular pipe inner side between be rotationally connected by least two bearings.
Because the length of bearing axle is larger, easily occur bending and deformation, be rotationally connected between the inner side of pipe in bearing axle and annular by bearing, and in annular, pipe maintains static, the strong point of bearing axle increases, thus makes that it is more stable, torque transfer process is more reliable.
Further, one end away from described conductor disc of described motor shaft is provided with shaft coupling, for connecting the rotation axis of motor.
Shaft coupling is for connecting the rotation axis of motor shaft and motor, and motor is rotated by shaft coupling drive motor axle, and input torque, inputs more reliable and more stable.
Further, one end of described motor shaft is fixedly connected with conductor disc by wheel hub.
One end area of wheel hub is less, other end area is larger, one end that the area of wheel hub is less is fixedly connected with motor shaft, one end that area is larger is connected with conductor disc, during design conductor disc, do not need to make according to the size of motor shaft to change, namely can realize the connection between different motor shafts and same conductor disc by replacing wheel hub, connected mode is simple and reliable
Further, between described axle sleeve and described bearing axle be key connection.
Bearing axle is provided with keyway, axle sleeve is provided with chute, key embeds cannot be movable in keyway, and chute can move along key, realizes being slidably connected between axle sleeve and bearing axle, ensures that hollow hydraulic cylinder drives axle sleeve motion to change air gap between disk and conductor disc.
Further, connected between described support and described motor shaft by strutting piece, described strutting piece is ring-type, and described strutting piece is set in the outside of described motor shaft, is provided with at least two bearings between the inner side of described strutting piece and described motor shaft.
Arrange bearing in the inner side of strutting piece and be rotationally connected with motor shaft, motor shaft, completely by stent support, no longer needs the rotation axis of motor to support; the rotation axis of motor no longer bears extra load; can not produce too much heat during operation, the performance of protection motor, extends the useful life of motor.
Compared with prior art, the beneficial effects of the utility model are: owing to being white space between pipe in the annular of hollow hydraulic cylinder, bearing axle can pass, and can not change the position of parts; Control only to need a hollow hydraulic cylinder when disk moves left and right, control simple and convenient, the displacement everywhere of axle sleeve is all equal, makes between disk end face and the end face of conductor disc parallel all the time, the inconsistent axle sleeve that causes of action and disk distortion when avoiding multiple hydraulic cylinder to work simultaneously; And, plunger due to hollow hydraulic cylinder is circular, the end face away from cavity of plunger is all connected with connector, the part that connector contacts with axle sleeve is stressed very evenly and shift length is completely equal,, stable performance more simple relative to mechanical type axial screw moving structure, plunger is directly connected with axle sleeve, and reduce driving parts, energy loss is less.
Accompanying drawing explanation
The speed regulating device front view that Fig. 1 provides for the utility model embodiment 1;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B portion close-up schematic view of Fig. 2;
The cutaway view of the speed regulating device that Fig. 4 provides for the utility model embodiment 2;
Fig. 5 is the C portion close-up schematic view of Fig. 4;
The cutaway view of the speed regulating device that Fig. 6 provides for the utility model embodiment 3;
Fig. 7 is the D portion close-up schematic view of Fig. 6;
Fig. 8 is the E portion close-up schematic view of Fig. 7;
Fig. 9 is the disk end view of Fig. 6;
Figure 10 is the F-F cutaway view of Fig. 9.
Support 101; Motor shaft 102; Bearing axle 103; Disk 104; Conductor disc 105; Hollow hydraulic cylinder 106; Annular outer tube 107; Pipe 108 in annular; Cavity 109; Plunger 110; Connector 111; Axle sleeve 112; Guide post 113; Pilot hole 114; Wheel hub 115; Strutting piece 116; Axial magnetic patch 117; Radial magnetic patch 118; First conductor region 119; Second conductor region 120; Disk skeleton 121; Axial disk 122; Radial disk 123; First groove 124.
Embodiment
Permanent magnetic coupling is realized by the device of motor to the torque transfer of load by the air gap between conductor disc and disk, can realize the kind of drive of mechanical link between motor and load.Permanent magnetic coupling is widely used in speed regulating device, can adjust the output speed of load equipment at any time, reach the object of variable speed energy saving.In order to energy-conservation, need to control the air gap between disk and conductor disc, thus the coupling area controlled therebetween, transmit different torques, thus realizing the object of speed governing, existing speed adjusting gear generally all adopts mechanical type axial screw moving structure, and this structure is comparatively complicated, in the course of work, power consumption too much, causes energy waste.
In order to make the problems referred to above improve, inventor finds, existing mechanical type axial screw travel mechanism can be replaced by hollow hydraulic cylinder, speed adjusting gear both can have been made more easy, can reduce energy loss again.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The speed regulating device front view that Fig. 1 provides for the utility model embodiment 1; Fig. 2 is the A-A cutaway view of Fig. 1; Fig. 3 is the B portion close-up schematic view of Fig. 2.As shown in Figure 1-Figure 3; the utility model example 1 provides a kind of speed regulating device; comprise support 101, motor shaft 102, bearing axle 103, disk 104, conductor disc 105 and hollow hydraulic cylinder 106, support 101 is for supporting other part and protecting internal unit.
Motor shaft 102 and support 101 are rotationally connected by bearing, and support 101 is stretched out in one end of motor shaft 102, for being connected with the rotation axis of motor; Bearing axle 103 and support 101 are rotationally connected by bearing, and support 101 is stretched out in one end away from motor shaft 102 of bearing axle 103, for being connected with load.Motor shaft 102 is connected with the rotation axis of motor, and driven by motor motor shaft 102 rotates, and for speed regulating device provide power, is rotationally connected, input torque between motor shaft 102 and housing by bearing; Bearing axle 103 is for Driving Torque, and bearing axle 103 is connected with load and drives its rotation to realize certain action.
Disk 104 is arranged on one end of the close motor shaft 102 of bearing axle 103, and disk 104 is slidably connected by axle sleeve 112 and bearing axle 103; Conductor disc 105 is fixedly installed on one end of the close bearing axle 103 of motor shaft 102 and corresponding with disk 104.Disk 104 and conductor disc 105 coordinate formation permanent magnetic coupling, certain air gap is there is between disk 104 and conductor disc 105, disk 104 produces magnetic field, when the two relatively rotates, conductor disc 105 is cut the magnetic line of force of disk 104 generation and is produced vortex flow, and vortex flow produces dislike electric field, the magnetic field reciprocation produced with disk 104, disk 104 drives bearing axle 103 to rotate, and realizes the transmission of torque.Axle sleeve 112 is fixedly connected with disk 104 and can moves left and right relative to the axial line of bearing axle 103 along bearing axle 103, and hollow hydraulic cylinder 106 can be with movable magnetic disc 104 to move, and regulates the air gap between disk 104 and conductor disc 105.
As shown in Figure 3, hollow hydraulic cylinder 106 comprises pipe 108 in annular outer tube 107 and annular, in annular, pipe 108 is arranged on the inside of annular outer tube 107 and concentric with annular outer tube 107, forms cavity 109, be provided with annular plunger 110 in cavity 109 in annular outer tube 107 and annular between pipe 108; One end away from cavity 109 of plunger 110 is provided with connector 111, and connector 111 is set in the outside of axle sleeve 112, and the inner side of axle sleeve 112 and the outside correspondence of connector 111 are provided with annular protrusion and annular groove, and annular protrusion is embedded in annular groove; Bearing axle 103 is through the inner side of pipe 108 in annular.Hollow hydraulic cylinder 106 moves along the axial line of bearing axle 103 for driving axle sleeve 112, is namely with movable magnetic disc 104 to move, regulates the air gap between disk 104 and conductor disc 105, change coupling area therebetween, realize the transmission of different torque.Fixing between disk 104 and axle sleeve 112, can relative sliding but cannot relatively rotate between the plunger 110 of support 101 and hollow hydraulic cylinder 106, connector 111 on plunger 110 and can to relatively rotate between axle sleeve 112 but cannot relative sliding, can relative sliding but cannot relatively rotate between axle sleeve 112 and bearing axle 103, can to relatively rotate between bearing axle 103 and support 101 but cannot relative sliding; When needing to regulate the air gap between disk 104 and conductor disc 105, control hollow hydraulic cylinder 106 to work, the plunger 110 of hollow hydraulic cylinder 106 moves with the direction of axis line of follower link 111 along bearing axle 103, because annular protrusion is embedded in annular groove, axle sleeve 112 can move left and right with plunger 110, and between axle sleeve 112 and bearing axle 103, not producing active force, bearing axle 103 maintains static, and axle sleeve 112 can move along the direction of axis line of bearing axle 103; Fixing between disk 104 and axle sleeve 112, therefore disk 104 moves with axle sleeve 112, and the direction of motion is vertical with the end face of the close conductor disc 105 of disk 104, and the air gap between disk 104 and conductor disc 105 changes, coupling area changes immediately, thus realizes speed governing object.
Owing to being white space between pipe 108 in the annular of hollow hydraulic cylinder 106, bearing axle 103 can pass, and can not change the position of parts; Control only to need a hollow hydraulic cylinder 106 when disk 104 moves left and right, control simple and convenient, the displacement everywhere of axle sleeve 112 is all equal, make between the end face of disk 104 end face and conductor disc 105 parallel all the time, the inconsistent axle sleeve 112 that causes of action and disk 104 distortion when avoiding multiple hydraulic cylinder to work simultaneously; And, because the plunger 110 of hollow hydraulic cylinder 106 is circular, the end face away from cavity 109 of plunger 110 is all connected with connector 111, the part that connector 111 contacts with axle sleeve 112 is stressed very evenly and shift length is completely equal,, stable performance more simple relative to mechanical type axial screw moving structure, plunger 110 is directly connected with axle sleeve 112, and reduce driving parts, energy loss is less.
The cutaway view of the speed regulating device that Fig. 4 provides for the utility model embodiment 2; Fig. 5 is the C portion close-up schematic view of Fig. 4.As shown in Figure 4, Figure 5, the utility model embodiment 2 provides a kind of speed regulating device, compared with embodiment 1, improvement is: as shown in Figure 5, one end away from cavity 109 of the plunger 110 of hollow hydraulic cylinder 106 is provided with guide post 113, support 101 is provided with pilot hole 114, and one end of guide post 113 is fixedly connected with plunger 110, the other end runs through pilot hole 114, the axis parallel of the axial line of guide post 113, the axial line of pilot hole 114 and bearing axle 103.
Guide post 113 runs through pilot hole 114, and guide post 113 can slide but can not rotate in pilot hole 114, thus realizes the relative sliding between plunger 110 and support 101; Due to certain frictional force can be produced between annular protrusion and annular groove when axle sleeve 112 rotates, thus make the plunger 110 of hollow hydraulic cylinder 106 have the trend of rotation, after plunger 110 is led by guide post 113 and pilot hole 114, plunger 110 is limited, can only slide along the direction of guide post 113, cannot rotate, ensure plunger 110 stability of hollow hydraulic cylinder 106.
As the preferred version of this embodiment, as shown in Figure 4, in bearing axle 103 and annular pipe 108 inner side between be rotationally connected by two bearings.Because the length of bearing axle 103 is larger, easily occur bending and deformation, be rotationally connected between the inner side of pipe 108 in bearing axle 103 and annular by bearing, and in annular, pipe 108 maintains static, the strong point of bearing axle 103 increases, thus makes that it is more stable, torque transfer process is more reliable.
As the preferred version of this embodiment, one end away from conductor disc 105 of motor shaft 102 is provided with shaft coupling, for connecting the rotation axis of motor.Shaft coupling is for connecting the rotation axis of motor shaft 102 and motor, and motor is rotated by shaft coupling drive motor axle 102, input torque, inputs more reliable and more stable.
As the preferred version of this embodiment, as shown in Figure 4, one end of motor shaft 102 is fixedly connected with conductor disc 105 by wheel hub 115.One end area of wheel hub 115 is less, other end area is larger, one end that the area of wheel hub 115 is less is fixedly connected with motor shaft 102, one end that area is larger is connected with conductor disc 105, during design conductor disc 105, do not need to make according to the size of motor shaft 102 to change, namely can realize the connection between different motor shafts 102 and same conductor disc 105 by replacing wheel hub 115, connected mode is simple and reliable
As the preferred version of this embodiment, for key connects between axle sleeve 112 and bearing axle 103.Bearing axle 103 is provided with keyway, axle sleeve 112 is provided with chute, key embeds cannot be movable in keyway, chute can move along key, realize being slidably connected between axle sleeve 112 and bearing axle 103, ensure that hollow hydraulic cylinder 106 drives axle sleeve 112 to move and changes air gap between disk 104 and conductor disc 105.
As the preferred version of this embodiment, as shown in Figure 4, connected between support 101 and motor shaft 102 by strutting piece 116, strutting piece 116 is ring-type, strutting piece 116 is set in the outside of motor shaft 102, is provided with at least two bearings between the inner side of strutting piece 116 and motor shaft 102.Bearing is set in the inner side of strutting piece 116 and is rotationally connected with motor shaft 102; motor shaft 102 is supported by support 101 completely; the rotation axis of motor is no longer needed to support; the rotation axis of motor no longer bears extra load; too much heat can not be produced during operation; the performance of protection motor, extends the useful life of motor.
The cutaway view of the speed regulating device that Fig. 6 provides for the utility model embodiment 3; Fig. 7 is the D portion close-up schematic view of Fig. 6; Fig. 8 is the E portion close-up schematic view of Fig. 7; Fig. 9 is the disk end view of Fig. 6; Figure 10 is the F-F cutaway view of Fig. 9.As shown in Fig. 6-Figure 10, the utility model embodiment 3 provides a kind of speed regulating device, compared with embodiment 2, improvement is: as shown in Figure 8, Figure 9, disk 104 is provided with axial magnetic patch 117 and radial magnetic patch 118, line centered by the axial line of disk 104, axial magnetic patch 117 and radial magnetic patch 118 all circular array shapes; The side of the close disk 104 of conductor disc 105 is provided with the first conductor region 119 and the second conductor region 120, corresponding with axial magnetic patch 117 and radial magnetic patch 118 respectively.
Axial magnetic patch 117 and radial magnetic patch 118 form two different magnetic fields, and the first conductor region 119 and the second conductor region 120 of corresponding conductor disc 105, can increase the maximum power of permanent magnetic coupling when disk 104 diameter is fixed respectively.Between axial magnetic patch 117 and the first conductor region 119, between radial magnetic patch 118 and the second conductor region 120, all there is certain air gap, when conductor disc 105 is rotated, the magnetic line of force that first conductor region 119 cutting axis produces to magnetic patch 117 also produces vortex flow, vortex flow produces dislike magnetic field, the magnetic field reciprocation produced with axial magnetic patch 117, realizes the transmission of torque; Second conductor region 120 is cut the magnetic line of force of radial magnetic patch 118 generation and is produced vortex flow, and vortex flow produces dislike magnetic field, and the magnetic field reciprocation produced with radial magnetic patch 118, realizes the transmission of torque.The torque transfer effect that first conductor region 119 and axial magnetic patch 117 are formed and the second conductor region produce with the torque transfer effect that radial magnetic patch 118 is formed and superpose, and acting in conjunction, realizes the transmission of torque, and the maximum power of permanent magnetic coupling increases, and laser propagation effect is better.
As the preferred version of this embodiment, as shown in Figure 9, Figure 10, disk 104 comprises disk skeleton 121, axial disk 122 and radial disk 123, and axial disk 122 and radial disk 123 are ring-type, one end of axial disk 122 is fixedly connected with disk skeleton 121, axial disk 122 is provided with axial notch, the radial cross-section of axial notch is trapezoidal, the shorter base of the trapezoidal length of side is minor face, another base is long limit, minor face through-shaft is to the madial wall of disk 122 or lateral wall, long limit is arranged on the inside of the sidewall of axial disk 122, axial notch through-shaft is to one end away from disk skeleton 121 of disk 122, axial magnetic patch 117 or axial balancing weight is all embedded with in axial notch, first conductor region 119 is annular groove-shaped, axial disk 122 embeds the first conductor region 119, the side of radial disk 123 is fixedly connected with disk skeleton 121, and radial disk 123 is provided with radial groove, is embedded with radial magnetic patch 118 or radial balancing weight in radial groove, and the second conductor region 120 is adjacent with radial disk 123.
Axial magnetic patch 117 and axial balancing weight are embedded in axial notch, all axial notches all use axial magnetic patch 117 or axial balancing weight to fill up, the two can take off and change, thus adjusts the quantity of axial magnetic patch 117, changes the magnetic field intensity that axial disk 122 is formed; Radial magnetic patch 118 and radial balancing weight are embedded in radial groove, all radial grooves all use radial magnetic patch 118 or radial balancing weight to fill up, the two can take off and change, thus adjusts the quantity of radial magnetic patch 118, changes the magnetic field intensity that radial disk 123 is formed.Magnetic field intensity changes the change causing the maximum power of permanent magnetic coupling, adapt to different demands, do not need to change disk 104, only need to adjust the quantity of axial magnetic patch 117 and axial balancing weight or the quantity of radial magnetic patch 118 and radial balancing weight, mode of operation is easy, and use cost is lower.
As the preferred version of this embodiment, as shown in Figure 7, disk 104 is provided with through hole, the side of the close disk 104 of conductor disc 105 is provided with the first groove 124, one end of the close conductor disc 105 of bearing axle 103 is passed through hole and stretches into the first groove 124, is rotationally connected between bearing axle 103 and conductor disc 105 by bearing.
Bearing axle 103 is passed through hole and is rotationally connected by the inwall of bearing and the first groove 124, and the end of bearing axle 103 is supported fixing, and bearing axle 103 is more stable, can not shake, and torque transfer process is more reliable and more stable.
As the preferred version of this embodiment, as shown in Figure 9, line centered by the axial line of axial disk 122, axial notch is two rows and circular array, be provided with axial magnetic patch 117 or axial balancing weight in radial groove, the equal through-shaft of minor face of two row's radial grooves is to the madial wall of disk 122 and lateral wall.
Axial notch is formed circular around the axial line of axial disk 122, then the magnetic line of force distribution in the magnetic field of axial magnetic patch 117 formation is more even; And two row's axial notches can lay more axial magnetic patch 117 or axial balancing weight, and the magnetic field intensity in the magnetic field of formation is higher, the maximum power of permanent magnetic coupling is larger, and the scope of application is wider.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. speed regulating device, is characterized in that, comprising:
Support;
Motor shaft, described motor shaft and described support are rotationally connected by bearing, and described support is stretched out in one end of described motor shaft, for being connected with the rotation axis of motor;
Bearing axle, described bearing axle and described support are rotationally connected by bearing, and described support is stretched out, for being connected with load in one end away from described motor shaft of described bearing axle;
Disk, described disk is arranged on one end of the close described motor shaft of described bearing axle, and described disk is slidably connected by axle sleeve and described bearing axle;
Conductor disc, described conductor disc is fixedly installed on one end of the close described bearing axle of described motor shaft and corresponding with described disk;
Hollow hydraulic cylinder, described hollow hydraulic cylinder comprises pipe in annular outer tube and annular, in described annular pipe be arranged on described annular outer tube inside and with described annular outer concentric tube, form cavity between pipe in described annular outer tube and described annular, in described cavity, be provided with the plunger of annular; One end away from described cavity of described plunger is provided with connector, described connector is set in the outside of described axle sleeve, the inner side of described axle sleeve and the outside correspondence of connector are provided with annular protrusion and annular groove, and described annular protrusion is embedded in described annular groove; Described bearing axle is through the inner side of pipe in described annular.
2. speed regulating device according to claim 1, it is characterized in that, one end away from described cavity of the plunger of described hollow hydraulic cylinder is provided with guide post, described support is provided with pilot hole, one end of described guide post is fixedly connected with described plunger, the other end runs through described pilot hole, the axis parallel of the axial line of described guide post, the axial line of described pilot hole and described bearing axle.
3. speed regulating device according to claim 1, is characterized in that, described disk are provided with axial magnetic patch and radial magnetic patch, line centered by the axial line of described disk, described axial magnetic patch and the equal circular array shape of described radial magnetic patch; The side of the close described disk of described conductor disc is provided with the first conductor region and the second conductor region, corresponding with described axial magnetic patch and radial magnetic patch respectively.
4. speed regulating device according to claim 3, is characterized in that, described disk comprises disk skeleton, axial disk and radial disk, and described axial disk and described radial disk are ring-type, one end of described axial disk is fixedly connected with described disk skeleton, described axial disk is provided with axial notch, the radial cross-section of described axial notch is trapezoidal, the shorter base of the described trapezoidal length of side is minor face, another base is long limit, described minor face runs through madial wall or the lateral wall of described axial disk, described long limit is arranged on the inside of the sidewall of described axial disk, described axial notch runs through one end away from described disk skeleton of described axial disk, described axial magnetic patch or axial balancing weight is all embedded with in described axial notch, described first conductor region is annular groove-shaped, described axial disk embeds described first conductor region, the side of described radial disk is fixedly connected with described disk skeleton, and described radial disk is provided with radial groove, is embedded with described radial magnetic patch or radial balancing weight in described radial groove, and described second conductor region is adjacent with described radial disk.
5. speed regulating device according to claim 1, it is characterized in that, described disk is provided with through hole, the side of the close described disk of described conductor disc is provided with the first groove, one end of the close described conductor disc of described bearing axle is passed described through hole and stretches into described first groove, is rotationally connected between described bearing axle and described conductor disc by bearing.
6. the speed regulating device according to claim 1-5 any one, is characterized in that, in described bearing axle and described annular pipe inner side between be rotationally connected by least two bearings.
7. the speed regulating device according to claim 1-5 any one, is characterized in that, one end away from described conductor disc of described motor shaft is provided with shaft coupling, for connecting the rotation axis of motor.
8. the speed regulating device according to claim 1-5 any one, is characterized in that, one end of described motor shaft is fixedly connected with conductor disc by wheel hub.
9. the speed regulating device according to claim 1-5 any one, is characterized in that, for key connects between described axle sleeve and described bearing axle.
10. the speed regulating device according to claim 1-5 any one, it is characterized in that, connected by strutting piece between described support and described motor shaft, described strutting piece is ring-type, described strutting piece is set in the outside of described motor shaft, is provided with at least two bearings between the inner side of described strutting piece and described motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700792.9U CN204119007U (en) | 2014-11-19 | 2014-11-19 | Speed regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700792.9U CN204119007U (en) | 2014-11-19 | 2014-11-19 | Speed regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119007U true CN204119007U (en) | 2015-01-21 |
Family
ID=52336285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420700792.9U Expired - Fee Related CN204119007U (en) | 2014-11-19 | 2014-11-19 | Speed regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449980A (en) * | 2015-11-19 | 2016-03-30 | 刁俊起 | Permanent magnet speed regulator with fixed magnetic gap |
-
2014
- 2014-11-19 CN CN201420700792.9U patent/CN204119007U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449980A (en) * | 2015-11-19 | 2016-03-30 | 刁俊起 | Permanent magnet speed regulator with fixed magnetic gap |
| CN105449980B (en) * | 2015-11-19 | 2018-05-08 | 刁俊起 | A kind of permanent-magnet speed governor of fixed magnetic gap |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20201119 |