A high-speed permanent magnet motor for reducing wear of a motor shaft

Abstract

The present invention relates to the technical field of permanent magnet motors, and specifically relates to a high-speed permanent magnet motor for reducing the wear of the motor shaft, which includes a motor main body, in which a motor shaft, a press for vibrating and suppressing the motor shaft, and a lubrication integration for supplying grease to the motor shaft are provided. When shaft wear occurs on the motor shaft, the rapidly rotating motor shaft will generate vibrations. A press is provided around the outer ring of the motor shaft. The vibrating motor shaft comes into contact with the inner ends of the press locally, thereby triggering the operation of the press. The multiple inner ends of the press converge and press the motor shaft, suppressing the vibrating motor shaft at the specified central rotation position in the motor main body, avoiding the expansion of the shaft wear problem caused by the continuous vibration of the motor shaft. In addition, during the stage when the press suppresses the motor shaft, the lubrication integration automatically conveys grease into the motor shaft, and the grease is conveyed to the surface of the external contact part of the shaft, eliminating the shaft wear problem caused by dry contact.

Description

Technical Field

[0001] The invention relates to the technical field of permanent magnet motors, and in particular to a high-speed permanent magnet motor capable of reducing motor shaft wear. Background Art

[0002] Compared with traditional motors, permanent magnet synchronous motors have the characteristics of simple structure, reliable operation, small size, light weight, low loss and high efficiency. They have a very wide range of applications, covering all fields of aerospace, national defense, petrochemical industry, industrial and agricultural production and daily life. With the continuous development of science and technology, permanent magnet motors are currently developing in the direction of high power, high functionality and miniaturization. With the increasing prominence of energy shortages, energy conservation and consumption reduction have become new hotspots. The requirements for energy conservation and high efficiency in the fields of power generation and electricity consumption are increasing. Permanent magnet motors have huge market potential due to their high power and high efficiency.

[0003] Shaft wear of permanent magnet motors can lead to a variety of problems, including bearing damage, reduced motor performance and increased energy consumption. Motor shaft wear can be determined by sound. The sound of a normally operating motor should be a uniform, subtle brushing sound. If the motor makes a gurgling sound or irregular clicking sound during operation, it may be a manifestation of shaft damage or poor lubrication. It can also be judged by vibration and temperature. The motor will vibrate when it is severely worn, and shaft wear will increase friction and generate high temperature.

[0004] Based on the research and development purposes of vibration suppression and elimination of shaft wear and shaft lubrication, the present invention provides a high-speed permanent magnet motor that reduces motor shaft wear. Summary of the invention

[0005] The object of the present invention is to provide a high-speed permanent magnet motor with reduced motor shaft wear, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-speed permanent magnet motor for reducing motor shaft wear, comprising a motor body, in which a motor shaft, a suppressor for vibrating and suppressing the motor shaft, and a lubrication integration for supplying grease to the motor shaft are arranged, the lubrication integration comprising a flat ring tube arranged on the outside of the motor shaft, a plurality of oil storage boxes evenly arranged on the outside of the flat ring tube, a ring cover movably sleeved on the motor shaft, and a plurality of hinge pipe groups evenly arranged between the flat ring tube and the ring cover, and the hinge pipe group holds the ring cover by bending and telescoping itself, an integrated tube cavity is opened in the motor shaft for conveying grease to the surface of different structures on the motor shaft, one end of the integrated tube cavity is connected to the ring cover, and the suppressor is in transmission connection with the oil storage box.

[0007] The oil storage box includes a square flat cylindrical shell for storing grease inside, a pushing plate for sliding and pushing the grease in the square flat cylindrical shell, a screw rod with a threaded hole penetrating through the pushing plate, a sub-plate frame for positioning and supporting the screw rod, and a unit ring plate gear with a fixed sleeve on the screw rod. One end of the square flat cylindrical shell is fixedly connected to the ring flat tube, and one end of the sub-plate frame is fixed on the square flat cylindrical shell.

[0008] The hinge tube group includes a neck tube, a control ring plate with a fixed sleeve outside the neck tube, a plurality of uniformly arranged unit rods vertically passing through the edge of the control ring plate, springs sleeved at both ends of the unit rods, swing tubes with sliding sleeves at both ends of the neck tube, and an external connecting tube hinged on each swing tube, one end of an external connecting tube is fixedly connected to the ring flat tube, and one end of the other external connecting tube is fixedly connected to the ring cover, the ring cover is a ring shell with a concave cross-section, and two intercepting convex ring bodies are arranged on the motor shaft in the ring cover.

[0009] One end of the swing tube is fitted into the spherical shell-shaped ring body arranged at the end of the external connecting tube by setting a spherical shell-shaped ring body, and the other end of the swing tube is provided with a ring plate, and the unit rod slides through the through hole opened on the ring plate, and the spring pad is between the swing tube ring plate and the interception block fixed at the end of the unit rod.

[0010] The suppressor includes a plurality of pressure pile groups evenly arranged around the motor shaft, a ring frame supporting the pressure pile groups, an overlapping worm gear transmitting on each pressure pile group, and an integrated ring group establishing transmission with all the overlapping worm gears and pressure pile groups. The ring frame is fixed on the housing of the motor body, and the helical teeth on the overlapping worm gear and the unit ring plate gear are meshed and transmitted.

[0011] The integrated ring group includes a positioning limit ring plate, an outer gear ring clamped on the outer edge of the limit ring plate, a double control ring cylinder clamped on the inner edge of the limit ring plate, an inner gear ring slidably sleeved inside the double control ring cylinder, a C-shaped spring fixed on the double control ring cylinder, an L-shaped plate fixed on the inner gear ring, and an annular spring arranged on one side of the limit ring plate, the outer end of the annular spring is fixed on the inner side wall of the outer gear ring, and the inner end of the annular spring is fixed on the outer side wall of the double control ring cylinder, and the lap worm is connected to the outer gear ring through meshing transmission via the fixed cylinder gear, and one end of the C-shaped spring intercepts the tip of the convex plate on the clamping L-shaped plate.

[0012] The outer edge of the limiting ring plate is slidably clamped in the ring groove opened on the inner side wall of the outer gear ring, the inner edge of the limiting ring plate is slidably clamped in the ring groove opened on the outer side wall of the double control ring cylinder, and the outer edge of the inner gear ring is clamped in the ring groove opened on the inner side wall of the double control ring cylinder.

[0013] The pressure pile group includes a unit frame fixed on the ring frame, a pressure head supported at one end of the unit frame, and a split shaft transmission-connected to the pressure head. The split shaft is connected by a fixed gear and an inner gear ring through meshing transmission. The other end of the unit frame supports and fixes a square flat cylinder shell, and the unit frame is also fixedly connected to a limiting ring plate. The lap worm is movably sleeved in a column hole opened on the unit frame.

[0014] The pressure head includes a head frame fixed on the unit frame, a Y-shaped frame sliding through a square hole opened in the head frame, a fixed ball shaft supported at one end of the Y-shaped frame, a pressing ball fixed in the middle of the fixed ball shaft, a double-acting shaft with vertical transmission at one end of the fixed ball shaft, a short worm gear establishing transmission between the double-acting shaft and the overlapping worm gear, and a return spring piece for pushing the Y-shaped frame to reset. The split shaft is movably sleeved in a through hole opened in the head frame, and the split shaft is connected to a row of tooth grooves opened on the Y-shaped frame through a fixed gear and a meshing transmission.

[0015] The overlapping worm is connected through the meshing transmission of the spiral teeth on the fixed plate gear and the short worm, one end of the double-acting shaft is connected through the meshing transmission of the fixed gear and the gear fixed on the short worm, the other end of the double-acting shaft is connected through the meshing transmission of the fixed bevel gear and the bevel gear fixed at the end of the fixed ball shaft, one end of the return spring is fixed to the head frame, and the other end supports the convex column set on the Y-shaped frame, the double-acting shaft is movably sleeved in the circular hole opened on one side of the Y-shaped frame, and the short worm is movably sleeved in the circular hole opened on one side of the head frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. When the motor shaft is worn, the rapidly rotating motor shaft will vibrate. A suppressor is provided on the outer ring of the motor shaft. The vibrating motor shaft contacts the local inner end of the suppressor, thereby triggering the suppressor to work. The multiple inner ends of the suppressor gather and press the motor shaft, pressing the vibrating motor shaft to the specified central rotation position in the motor body to avoid the expansion of the shaft wear problem caused by the continued vibration of the motor shaft. In addition, when the suppressor presses the motor shaft, the lubrication integration automatically delivers grease to the motor shaft, and the grease is delivered to the surface of the shaft's external contact part to eliminate the shaft wear problem caused by dry contact.

[0018] 2. The present invention absorbs the force of the rotation of the pressing balls through an integrated ring group, which is then converted into pressure for all the pressing balls to gather and press the motor shaft, so that the motor shaft returns to the center position of the motor body. The integrated ring group provides pressure on the pressing balls for a period of time. After the pressure disappears, all the pressing balls automatically separate, and the motor shaft resumes its normal position and rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention.

[0020] Figure 2 Schematic diagram of the suppressor position.

[0021] Figure 3 Schematic diagram of the lubrication integration position.

[0022] Figure 4 Schematic diagram of lubrication integrated structure.

[0023] Figure 5 It is a schematic diagram of the structure of the oil storage box.

[0024] Figure 6 It is a schematic diagram of the structure of the hinge pipe group.

[0025] Figure 7 It is a schematic diagram of the structure of the ring cover.

[0026] Figure 8 It is a schematic diagram of the structure of the press.

[0027] Figure 9 It is a schematic diagram of the position of the lapping worm.

[0028] Figure 10 It is a schematic diagram of the structure of the integrated ring group.

[0029] Figure 11 It is a schematic diagram of the position of the annular spring.

[0030] Figure 12 It is a schematic diagram of the structure of the pressure pile group.

[0031] Figure 13 It is a schematic diagram of the structure of the pressure head.

[0032] Figure 14 It is a schematic diagram of the position of the split shaft.

[0033] In the figure: motor main body 1, motor shaft 2, press 3, lubrication integration 4, ring flat tube 5, oil storage box 6, ring cover 7, hinge pipe group 8, integrated pipe cavity 9, secondary plate frame 10, unit ring plate gear 11, lead screw 12, square flat tube shell 13, push and press plate 14, unit rod 15, control ring plate 16, neck tube 17, spring 18, swing tube 19, external connecting tube 20, lapping worm 21, ring frame 22, pressure pile group 23, integrated ring group 24, annular spring 25, L-shaped plate 26, C-shaped elastic piece 27, external gear ring 28, limit ring plate 29, double-control ring cylinder 30, internal gear ring 31, unit frame 32, split shaft 33, pressure head 34, short worm 35, return elastic piece 36, head position frame 37, double-action shaft 38, Y-shaped frame 39, pressing ball 40, fixed ball shaft 41. Specific implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] Please refer to Figures 1 to 14, the present invention provides a technical solution: a high-speed permanent magnet motor for reducing the wear of the motor shaft, including a motor main body 1, in which a motor shaft 2, a press 3 for vibrating and pressing the motor shaft 2, and a lubrication integration 4 for supplying grease to the motor shaft 2 are provided. The lubrication integration 4 includes an annular flat tube 5 arranged outside the motor shaft 2, a plurality of oil storage boxes 6 evenly arranged outside the annular flat tube 5, an annular cover 7 movably sleeved on the motor shaft 2, and a plurality of evenly arranged hinge tube groups 8 communicating between the annular flat tube 5 and the annular cover 7. The hinge tube groups 8 hold the annular cover 7 by their own bending and stretching. An integrated tube cavity 9 is provided in the motor shaft 2 for delivering grease to the outer surfaces of different parts of the motor shaft 2. One end of the integrated tube cavity 9 is communicated with the annular cover 7. The press 3 is in transmission connection with the oil storage boxes 6. The inside of the hinge tube groups 8 is a channel for grease delivery. In this way, the grease in the oil storage boxes 6 is injected into the annular flat tube 5, then injected into the annular cover 7 through the hinge tube groups 8, and then injected into the integrated tube cavity 9. The annular flat tube 5 is fixed. In this way, the annular cover 7 is held by the hinge tube groups 8 and will not rotate with the motor shaft 2. However, small radial or axial vibrations of the motor shaft 2 itself will drive the annular cover 7. The follow-up movement of the annular cover 7 will cause the hinge tube groups 8 to deform themselves, but the channel for grease delivery always exists.

[0036] Reference Figure 5 Understand that the oil storage box 6 includes a square flat tube shell 13 for storing grease inside, a push plate 14 for sliding and pushing the grease in the square flat tube shell 13, a lead screw 12 passing through a threaded hole opened on the push plate 14, a secondary plate frame 10 for positioning and supporting the lead screw 12, and a unit ring plate gear 11 fixedly sleeved on the lead screw 12. One end of the square flat tube shell 13 is fixedly communicated with the annular flat tube 5. One end of the secondary plate frame 10 is fixed on the square flat tube shell 13. The other end of the lead screw 12 is movably sleeved in a through hole opened on the secondary plate frame 10.

[0037] Reference Figure 6 Understand that the hinge tube group 8 includes a neck tube 17, a control ring plate 16 fixedly sleeved outside the neck tube 17, a plurality of unit rods 15 vertically penetrating through the edge of the control ring plate 16 and evenly arranged, springs 18 sleeved at both ends of the unit rods 15, swing tubes 19 slidably sleeved at both ends of the neck tube 17, and outer connecting tubes 20 hinged on each swing tube 19. One end of an outer connecting tube 20 is fixedly communicated with the annular flat tube 5, and one end of the other outer connecting tube 20 is fixedly communicated with the annular cover 7. The annular cover 7 is a ring-shaped shell with a concave cross-section, and two intercepting convex ring bodies are provided on the motor shaft 2 in the annular cover 7.

[0038] One end of the swing tube 19 is fitted into a spherical shell-shaped ring body provided at the end of the outer connecting tube 20 by providing a spherical shell-shaped ring body. The other end of the swing tube 19 is provided with a ring plate, and the unit rod 15 slidably passes through a through hole opened on the ring plate. The spring 18 is padded between the ring plate of the swing tube 19 and an intercepting block fixed at the end of the unit rod 15.

[0039] ReferenceFigure 8 Understand that the press 3 includes a plurality of pressure pile groups 23 evenly arranged around the motor shaft 2, a ring frame 22 supporting the pressure pile groups 23, a lapping worm 21 drivingly connected to each pressure pile group 23, and an integrated ring group 24 establishing a drive connection with all the lapping worms 21 and the pressure pile groups 23. The ring frame 22 is fixed to the housing of the motor body 1, and the spiral teeth on the lapping worm 21 are meshed and drivingly connected to the unit ring plate gear 11.

[0040] Reference Figure 10 Understand that the integrated ring group 24 includes a positioned limit ring plate 29, an external gear ring 28 clamped to the outer edge of the limit ring plate 29, a dual-control ring cylinder 30 clamped to the inner edge of the limit ring plate 29, an internal gear ring 31 slidably sleeved inside the dual-control ring cylinder 30, a C-shaped elastic piece 27 fixed to the dual-control ring cylinder 30, an L-shaped plate 26 fixed to the internal gear ring 31, and an annular spring 25 arranged on one side of the limit ring plate 29. The outer end of the annular spring 25 is fixed to the inner side wall of the external gear ring 28, and the inner end of the annular spring 25 is fixed to the outer side wall of the dual-control ring cylinder 30. The lapping worm 21 is meshed and drivingly connected to the external gear ring 28 through a fixed cylinder gear, and one end of the C-shaped elastic piece 27 intercepts and positions the tip of the convex plate on the L-shaped plate 26.

[0041] The outer edge of the limit ring plate 29 is slidably clamped in the annular groove opened on the inner side wall of the external gear ring 28, the inner edge of the limit ring plate 29 is slidably clamped in the annular groove opened on the outer side wall of the dual-control ring cylinder 30, and the outer edge of the internal gear ring 31 is clamped into the annular groove opened on the inner side wall of the dual-control ring cylinder 30.

[0042] The pressure pile group 23 includes a unit frame 32 fixed to the ring frame 22, a pressing head 34 supported at one end of the unit frame 32, and a sub-shaft 33 drivingly connected to the pressing head 34. The sub-shaft 33 is meshed and drivingly connected to the internal gear ring 31 through a fixed gear. The other end of the unit frame 32 supports and fixes a square flat cylinder shell 13, and the unit frame 32 is also fixedly connected to the limit ring plate 29. The lapping worm 21 is movably sleeved in the column hole opened on the unit frame 32.

[0043] The pressing head 34 includes a head position frame 37 fixed to the unit frame 32, a Y-shaped frame 39 slidably passing through the square hole opened on the head position frame 37, a fixed ball shaft 41 supported at one end of the Y-shaped frame 39, a pressing ball 40 fixed in the middle of the fixed ball shaft 41, a double-acting shaft 38 vertically drivingly connected to one end of the fixed ball shaft 41, a short worm 35 establishing a drive connection between the double-acting shaft 38 and the lapping worm 21, and a return elastic piece 36 pushing the Y-shaped frame 39 to reset. The sub-shaft 33 is movably sleeved in the through hole opened on the head position frame 37, and the sub-shaft 33 is meshed and drivingly connected to a row of tooth grooves opened on the Y-shaped frame 39 through a fixed gear. The fixed ball shaft 41 is movably sleeved in the two through holes opened on the Y-shaped frame 39.

[0044] The lapping worm 21 is meshed and drive-connected through the spiral teeth on the fixed disk gear and the short worm 35. One end of the double-acting shaft 38 is meshed and drive-connected through the fixed gear and the gear fixed on the short worm 35. The other end of the double-acting shaft 38 is meshed and drive-connected through the fixed bevel gear and the bevel gear fixed at the end of the fixed ball shaft 41. One end of the return spring piece 36 is fixed on the head position frame 37, and the other end supports the convex post arranged on the Y-shaped frame 39. The double-acting shaft 38 is movably sleeved in the round hole opened on one side of the Y-shaped frame 39, and the short worm 35 is movably sleeved in the round hole opened on one side of the head position frame 37.

[0045] When the worn motor shaft 2 rotates rapidly, the motor shaft 2 may vibrate. When the motor shaft 2 normally rotates in place, there is a gap between the motor shaft 2 and the pressing ball 40. However, the severely vibrating motor shaft 2 will contact some of the pressing balls 40. When the motor shaft 2 contacts any pressing ball 40, subsequent adhesion transmission will be triggered. Because the motor shaft 2 drives the pressing ball 40 to rotate through contact, and then drives the double-acting shaft 38 through the fixed ball shaft 41. Next, the lapping worm 21 is driven by the short worm 35. The lapping worm 21 drives the double-acting shaft 38 to rotate slowly. Subsequently, the double-control ring cylinder 30 is elastically involved by the annular spring 25. During the rotation of the double-control ring cylinder 30, the C-shaped spring piece 27 is driven. The C-shaped spring piece 27 hooks the L-shaped plate 26, causing the internal gear ring 31 to rotate. The rotation of the internal gear ring 31 will reversely drive all the pressing heads 34. Specifically, the internal gear ring 31 drives all the sub-shafts 33 to rotate synchronously. Subsequently, the Y-shaped frame 39 moves. Then, the pressing ball 40 is driven through the fixed ball shaft 41. All the pressing balls 40 move closer to each other until all the pressing balls 40 press the motor shaft 2. Generally speaking, the wear and vibration problems of the motor shaft 2 will cause all the pressing balls 40 to move closer and press the motor shaft 2, correcting the position of the motor shaft 2 and making the motor shaft 2 return to the specified rotation position again, avoiding the amplification of the wear problem caused by the continuous vibration of the motor shaft 2.

[0046] After all the pressing balls 40 are gathered together, the pressing balls 40 will no longer move. However, the pressing balls 40 themselves continue to rotate due to being driven by the motor shaft 2. The subsequent transmission caused by the rotation of the pressing balls 40 makes the external gear ring 28 continue to rotate slowly. And the subsequent drive of the double-control ring cylinder 30 is to control the pressing balls 40 to move closer to the motor shaft 2. The pressing balls 40 can no longer move radially along the motor shaft 2, and the internal gear ring 31 cannot continue to rotate. Through the L-shaped plate 26, the C-shaped spring piece 27 is blocked reversely. Furthermore, the double-control ring cylinder 30 cannot continue to rotate. In this way, the annular spring 25 will contract and store energy. During the stage when the annular spring 25 contracts and stores energy, multiple pressing balls 40 continue to move closer and press the motor shaft 2. After the annular spring 25 stores enough energy, the clamping state between the C-shaped spring piece 27 and the L-shaped plate 26 is broken, that is Figure 10The double-control ring cylinder 30 in it rotates counterclockwise to drive the C-shaped elastic piece 27. The C-shaped elastic piece 27 moves past the stationary L-shaped plate 26. After separation, the C-shaped elastic piece 27 continues to move in a circular motion. After the C-shaped elastic piece 27 moves in a circular motion for one circle, that is, the C-shaped elastic piece 27 is intercepted by the L-shaped plate 26 again. At this time, the stored annular spring 25 releases the stored power. During the stage when the C-shaped elastic piece 27 moves in a circular motion for one circle, the internal gear ring 31 loses the external pressure. Finally, the return elastic piece 36 rebounds to reset the Y-shaped frame 39, and the pressing balls 40 that are gathered in time will move away from each other. The pressing balls 40 and the motor shaft 2 are no longer in contact, and the pressing balls 40 no longer rotate. Generally speaking, the pressing balls 40 will not continuously press the motor shaft 2. Instead, after the motor shaft 2 vibrates and contacts the pressing balls 40, all the pressing balls 40 gather to press the motor shaft 2 for a period of time, and then all the pressing balls 40 separate from each other. Because the subsequent transmission caused by the rotation of the pressing balls 40 will bring additional pressure load to the rotation of the motor shaft 2. Therefore, after the pressing balls 40 complete the pressing and correction work, they need to be separated from the motor shaft 2 in time, so that the motor shaft 2 can resume normal rotation. If the motor shaft 2 does not resume normal rotation, it will continue to cause the next round of gathering of the pressing balls 40.

[0047] The source of the vibration problem of the motor shaft 2 comes from wear, that is, there is a dry misaligned rotation between the motor shaft 2 and many external stationary ring bodies. Therefore, the lubrication integration 4 of the present invention is used to adjust the lubrication. During the stage when the pressing balls 40 gather to press the motor shaft 2, the supply of lubricating grease also occurs simultaneously. Because when the overlapping worm 21 rotates, it will also drive the unit ring plate gear 11, and then the unit ring plate gear 11 drives the lead screw 12 to rotate, causing the push plate 14 to move in a piston-like manner in the square flat cylinder shell 13. The push plate 14 presses the lubricating grease in the square flat cylinder shell 13, and the lubricating grease is pushed into the ring flat tube 5, and then is injected into the ring cover 7 through the conveying channel in the hinge tube group 8, and then is conveyed to the outer surface of the motor shaft 2 through the integrated tube cavity 9. The motor shaft 2 rotates continuously, so that the lubricating grease will be smeared between the stationary ring body and the motor shaft 2 to lubricate the motor shaft 2 and repair and solve the wear problem of the motor shaft 2.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed permanent magnet motor for reducing motor shaft wear, comprising a motor body (1), characterized in that: The motor body (1) is provided with a motor shaft (2), a suppressor (3) for vibrating and suppressing the motor shaft (2), and a lubrication integration (4) for supplying grease to the motor shaft (2); the lubrication integration (4) comprises a ring-shaped flat tube (5) arranged outside the motor shaft (2), a plurality of oil storage boxes (6) evenly arranged outside the ring-shaped flat tube (5), a ring cover (7) movably sleeved on the motor shaft (2), and a plurality of evenly arranged hinged tube groups (8) connected between the ring-shaped flat tube (5) and the ring cover (7), and the hinged tube group (8) holds the ring cover (7) by bending and stretching itself; the motor shaft (2) is provided with an integrated tube cavity (9) for supplying grease to the surface of different parts of the structure on the motor shaft (2); one end of the integrated tube cavity (9) is connected to the ring cover (7); the suppressor (3) and the oil storage box (6) are drivingly connected; The oil storage box (6) comprises a square flat cylinder shell (13) storing lubricating grease inside, a push plate (14) sliding in the square flat cylinder shell (13) to push the lubricating grease, a screw rod (12) penetrating through a threaded hole provided on the push plate (14), a sub-plate frame (10) positioning and supporting the screw rod (12), and a unit ring plate gear (11) fixedly sleeved on the screw rod (12); one end of the square flat cylinder shell (13) is fixedly connected to the ring flat tube (5), and one end of the sub-plate frame (10) is fixed on the square flat cylinder shell (13); The hinge tube assembly (8) comprises a neck tube (17), a control ring plate (16) with an external fixed sleeve of the neck tube (17), a plurality of uniformly arranged unit rods (15) vertically penetrated by the edge of the control ring plate (16), springs (18) sleeved at both ends of the unit rods (15), swing tubes (19) with sliding sleeves at both ends of the neck tube (17), and an external connecting tube (20) hingedly connected to each swing tube (19), one end of an external connecting tube (20) being fixedly connected to the flat ring tube (5), and one end of another external connecting tube (20) being fixedly connected to the ring cover (7), the ring cover (7) being a ring shell with a concave cross section, and two intercepting convex ring bodies being arranged on the motor shaft (2) in the ring cover (7); One end of the swing tube (19) is provided with a spherical shell-shaped ring body so as to fit into the spherical shell-shaped ring body provided at the end of the external connection tube (20); a ring plate is provided at the other end of the swing tube (19); the unit rod (15) slides through a through hole provided on the ring plate; and the spring (18) is cushioned between the ring plate of the swing tube (19) and an interception block fixed at the end of the unit rod (15); The suppressor (3) comprises a plurality of pressure pile groups (23) uniformly arranged around a motor shaft (2), a ring frame (22) supporting the pressure pile groups (23), a transmission overlapped worm (21) on each pressure pile group (23), and an integrated ring group (24) establishing transmission with all the overlapped worms (21) and the pressure pile groups (23); the ring frame (22) is fixed to the housing of the motor body (1), and the helical teeth on the overlapped worm (21) are meshed and transmission-connected with the unit ring plate gear (11).

2. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 1, characterized in that: The integrated ring assembly (24) comprises a positioning limiting ring plate (29), an outer gear ring (28) clamped to the outer edge of the limiting ring plate (29), a double control ring barrel (30) clamped to the inner edge of the limiting ring plate (29), an inner gear ring (31) slidably sleeved inside the double control ring barrel (30), a C-shaped spring (27) fixed to the double control ring barrel (30), an L-shaped plate (26) fixed to the inner gear ring (31), and an annular spring (25) arranged on one side of the limiting ring plate (29), the outer end of the annular spring (25) being fixed to the inner side wall of the outer gear ring (28), and the inner end of the annular spring (25) being fixed to the outer side wall of the double control ring barrel (30), and the lap worm (21) is meshed and drivenly connected to the outer gear ring (28) through a fixed barrel gear, and one end of the C-shaped spring (27) intercepts the tip of the convex plate on the clamping L-shaped plate (26).

3. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 2, characterized in that: The outer edge of the limiting ring plate (29) is slidably engaged in a ring groove provided on the inner side wall of the outer gear ring (28), the inner edge of the limiting ring plate (29) is slidably engaged in a ring groove provided on the outer side wall of the double control ring cylinder (30), and the outer edge of the inner gear ring (31) is engaged in a ring groove provided on the inner side wall of the double control ring cylinder (30).

4. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 2, characterized in that: The pressure pile group (23) comprises a unit frame (32) fixed on the ring frame (22), a pressure head (34) supported at one end of the unit frame (32), and a split shaft (33) drivingly connected to the pressure head (34), wherein the split shaft (33) is meshed and drivingly connected with a fixed gear and an inner gear ring (31), and the other end of the unit frame (32) supports and fixes the square flat cylinder shell (13), and the unit frame (32) is also fixedly connected to the limiting ring plate (29), and the lap worm (21) is movably sleeved in a column hole opened on the unit frame (32).

5. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 4, characterized in that: The pressure head (34) comprises a head frame (37) fixed on the unit frame (32), a Y-shaped frame (39) slidingly passing through a square hole provided on the head frame (37), a fixed ball shaft (41) supported by one end of the Y-shaped frame (39), a pressing ball (40) fixed in the middle of the fixed ball shaft (41), a double-acting shaft (38) vertically driven at one end of the fixed ball shaft (41), a short worm (35) establishing a transmission between the double-acting shaft (38) and the overlapping worm (21), and a return spring (36) for pushing the Y-shaped frame (39) to reset. The split shaft (33) is movably sleeved in a through hole provided on the head frame (37), and the split shaft (33) is connected to a row of tooth grooves provided on the Y-shaped frame (39) through a fixed gear and meshing transmission.

6. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 5, characterized in that: The overlapping worm (21) is connected to the helical teeth on the short worm (35) through meshing transmission, one end of the double-acting shaft (38) is connected to the fixed gear through meshing transmission with the gear fixed on the short worm (35), the other end of the double-acting shaft (38) is connected to the bevel gear fixed to the end of the fixed ball shaft (41) through meshing transmission, one end of the return spring (36) is fixed to the head frame (37), and the other end supports the convex column provided on the Y-shaped frame (39), the double-acting shaft (38) is movably sleeved in a circular hole opened on one side of the Y-shaped frame (39), and the short worm (35) is movably sleeved in a circular hole opened on one side of the head frame (37).

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