High-speed permanent magnet motor capable of reducing abrasion of motor shaft

Abstract

The invention relates to the technical field of permanent magnet motors, in particular to a high-speed permanent magnet motor capable of reducing motor shaft abrasion, which comprises a motor main body, and a motor shaft, a pressing device for carrying out vibration pressing on the motor shaft and a lubricating assembly for supplying lubricating grease to the motor shaft are arranged in the motor main body. The motor shaft in rapid rotation can generate vibration, a pressing device is annularly arranged outside the motor shaft, the vibrating motor shaft makes contact with the local inner end of the pressing device, then the pressing device is triggered to work, the multiple inner ends of the pressing device gather together to press the motor shaft, and the vibrating motor shaft is pressed at the specified center rotation position in the motor body. In addition, in the stage that the pressing device presses the motor shaft, the lubrication assembly automatically conveys lubricating grease into the motor shaft, the lubricating grease is conveyed to the surface of the external contact part of the shaft, and the shaft abrasion problem caused by dry contact is eliminated.

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: 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.

[0017] 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

[0018] Figure 1 It is a schematic diagram of the structure of the present invention.

[0019] Figure 2 Schematic diagram of the suppressor position.

[0020] Figure 3 Schematic diagram of the lubrication integration position.

[0021] Figure 4 Schematic diagram of lubrication integrated structure.

[0022] Figure 5 Schematic diagram of the oil storage box structure.

[0023] Figure 6 Schematic diagram of the hinged tube group structure.

[0024] Figure 7 Schematic diagram of the ring cover structure.

[0025] Figure 8 Schematic diagram of the suppressor structure.

[0026] Fig. 9 Schematic diagram of the overlapping worm position.

[0027] Fig.10 Schematic diagram of the integrated ring group structure.

[0028] Fig.11 Schematic diagram of the position of the ring spring.

[0029] Fig.12 This is a schematic diagram of the pressure pile group structure.

[0030] Fig.13 Schematic diagram of the pressure head structure.

[0031] Fig.14 This is a schematic diagram of the split axis position.

[0032] In the figure: motor body 1, motor shaft 2, suppressor 3, lubrication integration 4, ring flat tube 5, oil storage box 6, ring cover 7, hinge tube group 8, integrated tube cavity 9, auxiliary plate frame 10, unit ring plate gear 11, screw 12, square flat cylinder shell 13, push plate 14, unit rod 15, control ring plate 16, neck tube 17, spring 18, swing tube 19, external connecting tube 20, overlapping worm 21, ring frame 22, pressure pile group 23, integrated ring group 24, annular spring 25, L-shaped plate 26, C-shaped spring 27, outer gear ring 28, limit ring plate 29, double control ring tube 30, inner gear ring 31, unit frame 32, split shaft 33, pressure head 34, short worm 35, return spring 36, head position frame 37, double moving shaft 38, Y-shaped frame 39, suppressing ball 40, fixed ball shaft 41. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the technical solutions in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figures 1 to 14The present invention provides a technical solution: a high-speed permanent magnet motor for reducing motor shaft wear, comprising a motor body 1, 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 comprising a flat ring tube 5 arranged on the outside of the motor shaft 2, a plurality of oil storage boxes 6 evenly arranged on the outside of the flat ring tube 5, a ring cover 7 movably sleeved on the motor shaft 2, and a plurality of hinge pipe groups 8 evenly arranged between the flat ring tube 5 and the ring cover 7, and the hinge pipe group 8 holds the ring cover 7 by bending and stretching itself, and a lubrication system 4 is provided in the motor shaft 2 for conveying grease to the motor shaft 2, one end of the integrated lumen 9 is connected to the ring cover 7, the suppressor 3 is connected to the oil storage box 6, and the hinge tube group 8 is inside the grease delivery channel. In this way, the grease in the oil storage box 6 is injected into the ring flat tube 5, and then injected into the ring cover 7 through the hinge tube group 8, and then injected into the integrated lumen 9. The ring flat tube 5 is fixed. In this way, the ring cover 7 is pulled by the hinge tube group 8, and the ring cover 7 will not rotate with the rotation of the motor shaft 2. However, the small radial or axial vibration of the motor shaft 2 itself will drive the ring cover 7, and the follow-up of the ring cover 7 will cause the hinge tube group 8 itself to deform, but the grease delivery channel always exists.

[0035] refer to Figure 5 It is understood that the oil storage box 6 includes a square flat cylindrical shell 13 for storing grease inside, a pushing plate 14 for sliding and pushing grease in the square flat cylindrical shell 13, a screw rod 12 with a threaded hole passing through the pushing plate 14, a sub-plate frame 10 for 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 cylindrical shell 13 is fixedly connected to the ring flat tube 5, one end of the sub-plate frame 10 is fixed on the square flat cylindrical shell 13, and the other end of the screw rod 12 is movably sleeved in the through hole opened on the sub-plate frame 10.

[0036] refer to Figure 6 It is understood that the hinge tube group 8 includes 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 hinged on each swing tube 19, one end of an external connecting tube 20 is fixedly connected to the annular flat tube 5, and one end of the other external connecting tube 20 is fixedly connected to the ring cover 7, the ring cover 7 is a ring shell with a concave cross-section, and two intercepting convex ring bodies are arranged on the motor shaft 2 in the ring cover 7.

[0037] One end of the swing tube 19 is fitted into the spherical shell-shaped ring body set at the end of the external connecting tube 20 by setting a spherical shell-shaped ring body, and the other end of the swing tube 19 is provided with a ring plate, and the unit rod 15 slides through the through hole opened on the ring plate, and the spring 18 is padded between the ring plate of the swing tube 19 and the interception block fixed at the end of the unit rod 15.

[0038] refer to Figure 8 It is understood that the suppressor 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 lap worm 21 transmitting on each pressure pile group 23, and an integrated ring group 24 establishing transmission with all the lap worms 21 and the pressure pile groups 23, the ring frame 22 is fixed on the housing of the motor body 1, and the helical teeth on the lap worm 21 are meshed and connected with the unit ring plate gear 11.

[0039] refer to Fig.10 It is understood that the integrated ring group 24 includes a positioning limit ring plate 29, an outer gear ring 28 clamped on the outer edge of the limit ring plate 29, a double control ring tube 30 clamped on the inner edge of the limit ring plate 29, an inner gear ring 31 slidably sleeved inside the double control ring tube 30, a C-shaped spring 27 fixed on the double control ring tube 30, an L-shaped plate 26 fixed on the inner 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 on the inner wall of the outer gear ring 28, and the inner end of the annular spring 25 is fixed on the outer wall of the double control ring tube 30, and the lap worm 21 is connected to the outer gear ring 28 through the meshing transmission of the fixed cylinder gear, and one end of the C-shaped spring 27 intercepts the tip of the convex plate on the clamping L-shaped plate 26.

[0040] The outer edge of the limiting ring plate 29 slides and is stuck in the ring groove opened on the inner wall of the outer gear ring 28, the inner edge of the limiting ring plate 29 slides and is stuck in the ring groove opened on the outer wall of the double control ring cylinder 30, and the outer edge of the inner gear ring 31 is stuck in the ring groove opened on the inner wall of the double control ring cylinder 30.

[0041] The pressure pile group 23 includes 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 sub-shaft 33 transmission-connected to the pressure head 34. The sub-shaft 33 is meshed and transmission-connected with a fixed gear and an inner gear ring 31. 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. The lap worm 21 is movably sleeved in a column hole opened on the unit frame 32.

[0042] The pressure head 34 includes a head frame 37 fixed on the unit frame 32, a Y-shaped frame 39 sliding through a square hole opened in 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 with vertical transmission at one end of the fixed ball shaft 41, a short worm 35 establishing transmission between the double-acting shaft 38 and the overlapping worm 21, and a return spring 36 pushing the Y-shaped frame 39 to reset, the sub-shaft 33 is movably sleeved in a through hole opened in the head frame 37, and the sub-shaft 33 is meshed and driven by a fixed gear and a row of teeth and grooves opened in the Y-shaped frame 39, and the fixed ball shaft 41 is movably sleeved in two through holes opened in the Y-shaped frame 39.

[0043] The lap worm 21 is connected by meshing transmission with the spiral teeth on the fixed disk gear and the short worm 35, one end of the double-acting shaft 38 is connected by meshing transmission with the fixed gear and the gear fixed on the short worm 35, the other end of the double-acting shaft 38 is connected by meshing transmission with the fixed bevel gear and the bevel gear fixed at the end of the fixed ball shaft 41, one end of the return spring 36 is fixed on the head frame 37, and the other end supports the convex column set 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.

[0044] When the worn motor shaft 2 rotates rapidly, the motor shaft 2 may vibrate. When the motor shaft 2 rotates normally in place, there is a gap between the motor shaft 2 and the pressing ball 40. However, the motor shaft 2 with severe vibration will contact with part of the pressing ball 40. The contact between the motor shaft 2 and any pressing ball 40 will cause subsequent adhesion transmission, 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, and then drives the overlapping worm 21 through the short worm 35, and the overlapping worm 21 drives the double-acting shaft 38 to rotate slowly, and then the double-control ring cylinder 30 is elastically implicated by the annular spring 25, and the C is driven during the rotation of the double-control ring cylinder 30. The C-shaped spring piece 27 hooks the L-shaped plate 26, causing the inner ring gear 31 to rotate. The rotation of the inner ring gear 31 will reversely drive all the pressure heads 34. Specifically, the inner ring gear 31 drives all the sub-shafts 33 to rotate synchronously, and then causes the Y-shaped frame 39 to move, and then drives the pressing ball 40 through the fixed ball shaft 41. All the pressing balls 40 gather together until all the pressing balls 40 press the motor shaft 2. In summary, the wear and jitter problem of the motor shaft 2 will cause all the pressing balls 40 to come together and press the motor shaft 2, so that the position of the motor shaft 2 is corrected and the motor shaft 2 is returned to the specified rotation position to avoid the amplification of the wear problem caused by the continuous jitter of the motor shaft 2.

[0045] After all the suppressing balls 40 are gathered, the suppressing balls 40 no longer move, and the suppressing balls 40 themselves are driven by the motor shaft 2 to continue to rotate. The subsequent transmission brought by the self-rotation of the suppressing balls 40 causes the outer gear ring 28 to continue to rotate slowly, and the subsequent drive of the double-control ring cylinder 30 controls the suppressing balls 40 to approach the motor shaft 2. The suppressing balls 40 can no longer move radially along the motor shaft 2, and the inner gear ring 31 can no longer rotate. The C-shaped spring 27 is blocked in the reverse direction by the L-shaped plate 26, and the double-control ring cylinder 30 can no longer rotate. In this way, the annular spring 25 will contract and accumulate force. During the contraction and accumulation stage of the annular spring 25, multiple suppressing balls 40 continue to gather and compress the motor shaft 2. After the annular spring 25 accumulates enough force, the blocking state between the C-shaped spring 27 and the L-shaped plate 26 is broken, that is, Fig.10The double control ring cylinder 30 in the middle rotates counterclockwise to drive the C-shaped spring 27, and the C-shaped spring 27 is displaced from the stationary L-shaped plate 26. After separation, the C-shaped spring 27 continues to move around. After the C-shaped spring 27 moves around for one circle, that is, the C-shaped spring 27 is intercepted by the L-shaped plate 26 again, the stored force ring spring 25 releases the accumulated force. During the one-circle stage of the C-shaped spring 27, the inner gear ring 31 loses external pressure, and the return spring 36 rebounds to reset the Y-shaped frame 39, and the pressing balls 40 gathered in time will move away from each other and separate, and the pressing balls 40 and the motor shaft 2 are no longer in contact. , the suppressing ball 40 no longer rotates. In summary, the suppressing ball 40 will not continue to press the motor shaft 2, but after the motor shaft 2 shakes and contacts the suppressing ball 40, all the suppressing balls 40 gather together to press the motor shaft 2 for a period of time, and then all the suppressing balls 40 separate from each other. Because the subsequent transmission of the suppressing ball 40 rotates, it will bring additional pressure load to the rotation of the motor shaft 2. Therefore, after the suppressing ball 40 completes the pressure correction work, it is necessary to separate 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, it will continue to cause the next round of suppressing balls 40 to gather.

[0046] The source of the shaking problem of the motor shaft 2 comes from wear, that is, dry and misaligned rotation occurs 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. When the pressing ball 40 gathers and presses the motor shaft 2, the grease is delivered and supplied at the same time. Because the overlapping worm 21 will also drive the unit ring plate gear 11 when it rotates, and then the unit ring plate gear 11 drives the screw 12 to rotate, causing the push plate 14 to move piston-like in the square flat cylinder shell 13. The push plate 14 covers the grease in the square flat cylinder shell 13, and the grease is pushed into the ring flat tube 5, and then injected into the ring cover 7 through the delivery channel in the hinge tube group 8, and then delivered to the surface of the motor shaft 2 through the integrated tube cavity 9. The motor shaft 2 continues to rotate, so that the grease will be smeared between the stationary ring body and the motor shaft 2 to lubricate the motor shaft 2 to repair and solve the wear problem of the motor shaft 2.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that 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 flat ring tube (5) arranged outside the motor shaft (2), a plurality of oil storage boxes (6) evenly arranged outside the flat ring 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 flat ring tube (5) and the ring cover (7), wherein 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), and the suppressor (3) and the oil storage box (6) are drivingly connected.

2. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 1, characterized in that: The oil storage box (6) comprises a square flat cylindrical shell (13) storing lubricating grease inside, a push plate (14) sliding in the square flat cylindrical 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 cylindrical 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 cylindrical shell (13).

3. The high-speed permanent magnet motor for reducing motor shaft wear according to claim 1, characterized in that: 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).

4. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 3, characterized in that: 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), and a ring plate is provided at the other end of the swing tube (19), and the unit rod (15) slides through a through hole provided in 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).

5. The high-speed permanent magnet motor for reducing motor shaft wear according to claim 2, characterized in that: 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).

6. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 5, 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).

7. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 6, 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).

8. The high-speed permanent magnet motor for reducing motor shaft wear according to claim 6, 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).

9. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 8, 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.

10. A high-speed permanent magnet motor for reducing motor shaft wear according to claim 9, 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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