CN115765300B - High-power axial combined disc type permanent magnet motor - Google Patents
High-power axial combined disc type permanent magnet motor Download PDFInfo
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- CN115765300B CN115765300B CN202211455202.6A CN202211455202A CN115765300B CN 115765300 B CN115765300 B CN 115765300B CN 202211455202 A CN202211455202 A CN 202211455202A CN 115765300 B CN115765300 B CN 115765300B
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 239000000872 buffer Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 9
- 239000007779 soft material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 13
- 238000010168 coupling process Methods 0.000 abstract description 13
- 238000005859 coupling reaction Methods 0.000 abstract description 13
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a high-power axial combined disc type permanent magnet motor. Aiming at the technical problems that the starting torque of the permanent magnet motor is large and the output shaft is easy to break. The technical scheme is as follows: a high-power axial combined disc type permanent magnet motor comprises a fixed frame; the permanent magnet motor is installed to the mount, and the mount rigid coupling has the support frame, and the support frame rigid coupling has sealed casing, and sealed casing internal rotation is connected with first rotor plate, and permanent magnet motor's output shaft rigid coupling has first fixed block, and first rotor plate rigid coupling has first fan-shaped fixed block, and first cavity is constituteed to first fixed block, first fan-shaped fixed block and sealed casing, and first rotor plate spline connection has first rotating turret. According to the invention, the first rotating frame is driven to move by hydraulic oil in the first cavity through the rotation and extrusion of the first fixed block, so that the instantaneous torque of the permanent magnet motor just started is buffered, and the phenomenon that the output shaft of the permanent magnet motor is broken due to the excessive instantaneous torque of the permanent magnet motor just started is avoided.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a high-power axial combined disc type permanent magnet motor.
Background
The permanent magnet motor is a motor with a stator made of permanent magnets, a rotor made of iron-core-free structures and an axial air gap magnetic field direction between the stator and the rotor, and has the technical characteristics of higher power, lighter weight, higher efficiency, better control and the like compared with the similar motor due to the unique stator and rotor structures.
When the existing disc type permanent magnet motor is just started, a power supply instantly introduces larger starting current into the disc type permanent magnet motor, so that the starting torque of the disc type permanent magnet motor is larger, the output shaft of the disc type permanent magnet motor is easy to break, and when the existing disc type permanent magnet motor is used, the output shaft of the existing disc type permanent magnet motor is directly connected with a load, and the load has inertia, so that when the disc type permanent magnet motor is just started, the starting torque of the disc type permanent magnet motor needs to overcome the inertia of the load, but the starting torque of the disc type permanent magnet motor and the inertia of the load directly act on the output shaft of the disc type permanent magnet motor, and the service life of the output shaft of the disc type permanent magnet motor is easy to reduce.
Disclosure of Invention
The invention provides a high-power axial combined disc type permanent magnet motor, and aims to solve the technical problems.
The technical scheme of the invention is as follows: the utility model provides a high-power axial combination disc permanent magnet motor, which comprises a fixing rack, the mount detachable mounting has permanent magnet motor, the mount rigid coupling has the support frame that is located permanent magnet motor output shaft one side, the support frame rigid coupling has the seal housing that rotates with permanent magnet motor output shaft to be connected, one side that is close to permanent magnet motor in the seal housing rotates and is connected with first rotor plate, first rotor plate is provided with symmetrical through-hole, the output shaft symmetry rigid coupling of permanent magnet motor has the first fixed block that is located between first rotor plate and the seal housing, the lateral wall and the first rotor plate of first fixed block contact and sliding fit of first rotor plate, one side symmetry rigid coupling that first rotor plate is close to permanent magnet motor has first fan-shaped fixed block, the first fan-shaped fixed block of symmetry distribution and the first fan-shaped fixed block of symmetry distribution are crisscross each other, the first fixed block of symmetry distribution, the first fan-shaped fixed block of symmetry distribution and the first seal housing cooperation form first cavity, one side spline connection of first rotor plate far away from permanent magnet motor has the first rotor plate with seal housing sliding fit's first rotor plate, the first rotor plate has the extension spring between first rotor plate and the first rotor plate, the first rotor plate contacts with first rotor plate and sliding fit, the first rotor plate contact with first fan-shaped motor output shaft, the first rotor plate and first fan-shaped motor is located on one side, the first rotor plate is close to first rotor plate and the first through-shaped motor, the first cavity is connected with first through-hole is formed with first fan-shaped motor, the first cavity is connected with the first rotor plate and first through-shaped cavity is located on the first rotor plate, the first cavity is far away from first through-shaped cavity, one end of connecting pipe and adjacent second through-hole intercommunication, the other end and the third cavity intercommunication of connecting pipe, first cavity, second cavity, third cavity, first through-hole, the second through-hole, all be filled with hydraulic oil in the through-hole of first rotor plate and the connecting pipe, be provided with in the sealed casing and be used for first rotating turret and second rotor plate complex load buffer gear, the first rotating turret of hydraulic oil transmission in the first cavity of first fixed block rotation extrusion removes, first rotating turret removes and rotates through load buffer gear transmission second rotor plate, the instantaneous moment of torsion when just starting to permanent magnet motor buffers.
Further, the one end that first through-hole and second through-hole and first cavity communicate all sets up to the round platform shape, and one side that the diameter is big communicates with first cavity, and the through-hole of first rotor plate sets up to the round platform shape, and one side that the diameter is big communicates with the second cavity, and the both ends of connecting pipe all set up to the round platform shape, and one side that the diameter is big communicates with adjacent second through-hole for increase the buffer power of hydraulic oil.
Further, the load buffer mechanism comprises a first gasket fixedly connected to the inner wall of the sealing shell, the first gasket is located in the first rotating frame, a second fixing block is fixedly connected to one side of the first rotating frame, close to the first gasket, at equal intervals in the circumferential direction, and is in extrusion fit with the first gasket, a second gasket is fixedly connected to one side of the second fixing block, close to the second rotating plate, at equal intervals in the circumferential direction, a second fan-shaped fixing block is fixedly connected to one side of the second rotating plate, close to the second fixing block, at equal intervals in the circumferential direction, and the second fan-shaped fixing block is in extrusion fit with the second gasket.
Further, the first gasket and the second gasket are both made of soft materials and used for limiting the second fixing block and the second fan-shaped fixing block.
Further, the motor protection mechanism is used for protecting an output shaft of the permanent magnet motor, the motor protection mechanism comprises a second rotating frame, the second rotating frame is fixedly connected to one side, far away from the permanent magnet motor, of the second rotating plate, a sliding plate is connected to an inner spline of the second rotating frame, a disc spring is fixedly connected between the sliding plate and the second rotating frame, ball fixing columns are fixedly connected to one side, far away from the second rotating plate, of the sliding plate at equal intervals in the circumferential direction, a third rotating plate is connected to one side, far away from the second rotating plate, of the second rotating frame, a hemispherical groove matched with the adjacent ball fixing columns is formed in the third rotating plate, a limiting component used for limiting the sliding plate to move is arranged in the second rotating frame, an unlocking component matched with the limiting component is arranged in the second rotating frame, and the unlocking component is used for releasing the limiting of the limiting component on the sliding plate.
Further, the diameter of the hemispherical groove of the third rotating plate is larger than that of the ball fixing column, and the hemispherical groove is used for protecting the ball fixing column.
Further, spacing subassembly is including circular fixed plate, circular fixed plate rigid coupling is in the inner wall of second rotating turret, circular fixed plate is located between slide and the third rotating plate, circular fixed plate and bulb fixed column sliding connection, one side that circular fixed plate is close to the slide is provided with the ring shape arch, one side that the slide is close to circular fixed plate is provided with the ring shape arch, the ring shape arch of circular fixed plate and the protruding sliding fit of ring shape of slide, second rotating turret circumference equidistant sliding connection has the elastic expansion link, the flexible end and the protruding outer wall contact of slide ring shape of elastic expansion link.
Further, the unlocking assembly comprises cylindrical fixed blocks distributed at equal intervals in the circumferential direction, the cylindrical fixed blocks distributed at equal intervals in the circumferential direction are fixedly connected to one ends, away from the annular protrusions of the sliding plates, of the adjacent elastic telescopic rods respectively, the second rotating frame is rotationally connected with a fourth rotating plate, the fourth rotating plate is connected with the second rotating frame through bolts, and arc-shaped sliding rails in sliding fit with the adjacent cylindrical fixed blocks are arranged at equal intervals in the circumferential direction of the fourth rotating plate.
Further, still including the cooling body who is used for cooling down to permanent magnet motor, cooling body sets up in the mount, cooling body fan, the fan rigid coupling is in permanent magnet motor's output shaft, permanent magnet motor's output shaft rigid coupling has the filter screen, the mount rigid coupling has the clearance frame that is used for clearing up the filter screen, clearance frame and permanent magnet motor's output shaft rotation are connected, the mount rigid coupling has the ventilation pipe, the one end and the clearance frame intercommunication of ventilation pipe, the other end and the being located of ventilation pipe, and the opening is towards the filter screen.
Further, one side of the cleaning frame far away from the output shaft of the permanent magnet motor is L-shaped, and the cleaning frame is provided with an inclined plane for cleaning the filter screen.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the first rotating frame is driven to move by hydraulic oil in the first cavity through the rotation and extrusion of the first fixed block, so that the instantaneous torque of the permanent magnet motor just started is buffered, and the phenomenon that the output shaft of the permanent magnet motor is broken due to the excessive instantaneous torque of the permanent magnet motor just started is avoided.
2. According to the invention, the first gasket is used for limiting the second fixed block, so that the load on the second rotating plate cannot directly act on the output shaft of the permanent magnet motor, and the problem that the output shaft of the permanent magnet motor is broken due to overlarge load on the output shaft when the permanent magnet motor is just started is avoided.
3. According to the invention, the eight second fan-shaped fixed blocks are rotationally extruded through the second gaskets to buffer the torque born by the output shaft of the permanent magnet motor, so that the problem that the output shaft of the permanent magnet motor is broken due to overlarge torque caused by collision between the torque on the output shaft of the permanent magnet motor and the load born by the second rotating plate is avoided.
4. According to the invention, the hydraulic oil in the third cavity is extruded by the first rotating frame to supplement the hydraulic oil in the first cavity, so that the situation that two first fixed blocks and two first fan-shaped fixed blocks collide and are damaged due to mismatching of the rotating speed of the output shaft of the permanent magnet motor and the rotating speed of the second rotating plate caused by load inertia when the permanent magnet motor is shut down is avoided.
5. According to the invention, the eight ball fixing columns are separated from the hemispherical grooves on the ball fixing columns through the third rotating plate, so that the power transmission between the permanent magnet motor and the third rotating plate is interrupted, and the phenomenon that the output shaft of the permanent magnet motor is not rotated any more and collides with the current input on the permanent magnet motor to burn out the coil of the permanent magnet motor due to the fact that the foreign matters are suddenly clamped in the load is avoided.
6. According to the invention, the annular bulge on the right side of the sliding plate is limited by the four elastic telescopic rods, so that the eight ball head fixing columns which continue to rotate are prevented from being intermittently matched with the hemispherical groove of the third rotating plate after foreign matters are suddenly clamped in on a load, and the eight ball head fixing columns and the permanent magnet motor are prevented from being damaged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective structural sectional view of the first turret of the present invention.
Fig. 3 is a schematic perspective view of a first through hole and a second through hole according to the present invention.
Fig. 4 is a schematic perspective view of a connecting pipe according to the present invention.
Fig. 5 is a cross-sectional perspective exploded view of the load cushion mechanism of the present invention.
Fig. 6 is a perspective structural sectional view of a second sector fixing block of the present invention.
Fig. 7 is a perspective sectional view of the motor protection mechanism of the present invention.
Fig. 8 is a schematic perspective view of a cooling mechanism according to the present invention.
Fig. 9 is a schematic perspective view of a cleaning frame according to the present invention.
In the figure: 1. the device comprises a fixing frame, 2, a permanent magnet motor, 3, a supporting frame, 4, a sealing shell, 5, a first rotating plate, 6, a first fixed block, 7, a first fan-shaped fixed block, 8, a first rotating frame, 9, a second rotating plate, 10, a first through hole, 11, a second through hole, 12, a connecting pipe, 13, a first gasket, 14, a second fixed block, 15, a second gasket, 16, a second fan-shaped fixed block, 17, a second rotating frame, 18, a sliding plate, 19, a ball head fixed column, 20, a third rotating plate, 21, a round fixed plate, 22, an elastic telescopic rod, 23, a cylindrical fixed block, 24, a fourth rotating plate, 25, an arc sliding rail, 26, a fan, 27, a filter screen, 28, a cleaning frame, 29 and a ventilation pipe.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Example 1
1-6, including a fixing frame 1, the fixing frame 1 is connected with a permanent magnet motor 2 by bolts, the right side of the fixing frame 1 is connected with a supporting frame 3 by bolts, the supporting frame 3 is welded with a sealing shell 4 rotationally connected with an output shaft of the permanent magnet motor 2, a first rotating plate 5 is rotationally connected with the left side in the sealing shell 4, the first rotating plate 5 is provided with symmetrical through holes, the output shaft of the permanent magnet motor 2 is symmetrically welded with a first fixed block 6 positioned between the first rotating plate 5 and the sealing shell 4, the side wall of the first fixed block 6 is contacted with the first rotating plate 5 and the sealing shell 4 in sliding fit, the left side of the first rotating plate 5 is symmetrically welded with a first fan-shaped fixed block 7, the symmetrically distributed first fixed block 6 and the symmetrically distributed first fan-shaped fixed block 7 are mutually staggered, the first fixed block 6 which is symmetrically distributed, the first fan-shaped fixed block 7 which is symmetrically distributed and the sealing shell 4 are matched to form a first cavity, one side of the first rotating plate 5, which is far away from the permanent magnet motor 2, is connected with a first rotating frame 8 which is in sliding fit with the sealing shell 4 through a spline, a tension spring is fixedly connected between the first rotating frame 8 and the first rotating plate 5, the sealing shell 4, the first rotating frame 8 and the first rotating plate 5 are matched to form a second cavity, a through hole of the first rotating plate 5 is arranged into a round table shape, one side with a large diameter is communicated with the second cavity and is used for increasing the buffer force of hydraulic oil, the second cavity is communicated with the through hole of the first rotating plate 5, the right end of the sealing shell 4 is rotationally connected with a second rotating plate 9, the second rotating plate 9 is connected with a load bolt, the first rotating frame 8, the second rotating plate 9 and the sealing shell 4 are matched to form a third cavity, the left side of first fan-shaped fixed block 7 is provided with the first through-hole 10 with first cavity intercommunication, first through-hole 10 and first rotor plate 5 are gone up adjacent through-hole intercommunication, the right side of first fan-shaped fixed block 7 is provided with the second through-hole 11 with first cavity intercommunication, first through-hole 10 and second through-hole 11 all set up to the round platform shape with the one end of first cavity intercommunication, and the one side that the diameter is big and first cavity intercommunication, be used for increasing the buffer force of hydraulic oil, seal housing 4 has inlayed connecting pipe 12 symmetrically, the one end and the adjacent second through-hole 11 intercommunication of connecting pipe 12, the both ends of connecting pipe 12 all set up to the round platform shape, and the one side that the diameter is big is with adjacent second through-hole 11 intercommunication, be used for the buffer force of increase hydraulic oil, the other end and the third cavity intercommunication of connecting pipe 12, first cavity, the second cavity, third through-hole 10, the second through-hole 11, all fill in the through-hole of first rotor plate 5 and the connecting pipe 12, be provided with in the seal housing 4 and be used for first rotating frame 8 and second rotor plate 9 complex buffer force, first rotating frame 8 and second rotor plate 9 buffer force buffer mechanism in the first rotating frame 8, first rotating frame 8 is carried out to the instantaneous moving torque of motor buffer mechanism in the first rotating frame 8 through the first rotating frame buffer force of the first rotor plate 8, the buffer mechanism of moving.
As shown in fig. 2-6, the load buffer mechanism comprises a first gasket 13, the first gasket 13 is embedded in the inner wall of the sealing shell 4, the first gasket 13 is located in the first rotating frame 8, the second fixed blocks 14 are welded on the left side of the first rotating frame 8 at equal intervals in the circumferential direction, the second fixed blocks 14 distributed at equal intervals in the circumferential direction are in extrusion fit with the first gasket 13, the first gasket 13 is utilized to limit the second fixed blocks 14, the situation that the output shaft of the permanent magnet motor 2 is broken due to overlarge load on the output shaft when the permanent magnet motor 2 is just started is avoided, the second gasket 15 is embedded on the right side of the second fixed blocks 14, the first gasket 13 and the second gasket 15 are made of soft materials and used for limiting the second fixed blocks 14 and the second fan-shaped fixed blocks 16, the second fan-shaped fixed blocks 16 distributed at equal intervals in the circumferential direction are in extrusion fit with the second gasket 15, and the torque borne by the second fan-shaped fixed blocks 16 distributed at equal intervals in the circumferential direction are utilized to buffer the second fixed blocks 14, and the torque borne by the output shaft of the permanent magnet motor 2, and the overlarge torque borne by the output shaft of the permanent magnet motor 2 due to overlarge load caused by the torque on the output shaft of the permanent magnet motor 2 and the second rotating plate 9 is avoided.
When the permanent magnet motor 2 is required to work, a user connects the second rotating plate 9 on the load through bolts, the user starts the permanent magnet motor 2, the output shaft of the permanent magnet motor 2 drives the two first fixing blocks 6 to rotate backwards and extrude hydraulic oil in the first cavity, and the hydraulic oil in the first cavity enters the second cavity through the two first through holes 10 and the two through holes on the first rotating plate 5.
In the above process, the two first fixed blocks 6 rotate to apply acting force to the first rotating plate 5 through the hydraulic oil in the first cavity and the two first fan-shaped fixed blocks 7, the first rotating plate 5 rotates to extrude the first gasket 13 through the first rotating frame 8 and the second fixed blocks 14, the first gasket 13 deforms and limits the second fixed blocks 14, and at the moment, the second gasket 15 is not extruded by the eight second fan-shaped fixed blocks 16, so that the two first fixed blocks 6 cannot rotate through the two first fan-shaped fixed blocks 7, the first rotating plate 5, the first rotating frame 8, the second gasket 15 and the eight second fan-shaped fixed blocks 16, and therefore, when the permanent magnet motor 2 is started, the load on the second rotating plate 9 cannot directly act on the output shaft of the permanent magnet motor 2, and the output shaft of the permanent magnet motor 2 is prevented from being broken due to overlarge load on the output shaft when the permanent magnet motor 2 is just started.
After the hydraulic oil in the first cavity enters the second cavity, the volume of the hydraulic oil in the second cavity is increased, the hydraulic oil in the second cavity extrudes the first rotating frame 8, the first rotating frame 8 drives the eight second fixing blocks 14 and the second gaskets 15 to move rightwards, tension springs between the first rotating frame 8 and the first rotating plate 5 are stretched, the eight second fixing blocks 14 move rightwards to reduce the axial extrusion of the first gaskets 13, the first gaskets 13 are restored to original shapes, until the second gaskets 15 move rightwards to be in contact with the second rotating plate 9, the eight second fixing blocks 14 do not extrude the first gaskets 13 any more, the first gaskets 13 are completely restored to original shapes, and the two first fixing blocks 6 are respectively in contact with the adjacent first fan-shaped fixing blocks 7.
In the process that the second gasket 15 moves rightwards to be in contact with the second rotating plate 9, the second gasket 15 is firstly in contact with the eight second fan-shaped fixed blocks 16 and is extruded by the eight second fan-shaped fixed blocks 16 to be gradually deformed until the second gasket 15 is in contact with the second rotating plate 9, at the moment, the first gasket 13 loses the limit of the eight second fixed blocks 14 because the eight second fixed blocks 14 are not extruded by the first gasket 13 any more, the output shaft of the permanent magnet motor 2 extrudes the two first fan-shaped fixed blocks 7 through the two first fixed blocks 6, the two first fan-shaped fixed blocks 7 rotate through the first rotating plate 5, the first rotating frame 8 and the second gasket 15, the eight second fan-shaped fixed blocks 16 drive the second rotating plate 9 to drive the load to rotate, and in the process, the instantaneous torque of the permanent magnet motor 2 just started is buffered through hydraulic oil in the first cavity, the second cavity and the third cavity.
In the process that the eight second fan-shaped fixed blocks 16 drive the second rotating plate 9 to rotate, the second gaskets 15 rotationally squeeze the eight second fan-shaped fixed blocks 16 and deform, so that when the permanent magnet motor 2 drives the second rotating plate 9 to rotate, the torque born by the output shaft of the permanent magnet motor 2 is buffered, and the phenomenon that the torque on the output shaft of the permanent magnet motor 2 is overlarge due to the collision between the torque born by the output shaft of the permanent magnet motor 2 and the load born by the second rotating plate 9, so that the output shaft of the permanent magnet motor 2 is broken is avoided.
In the process that the first rotating frame 8 moves rightwards, the first rotating frame 8 moves rightwards to squeeze hydraulic oil in the third cavity, the hydraulic oil in the third cavity enters the first cavity through the two connecting pipes 12 and the two second through holes 11 to supplement the hydraulic oil in the first cavity, and the situation that when the permanent magnet motor 2 is shut down, the rotation speed of an output shaft of the permanent magnet motor 2 is not matched with the rotation speed of the second rotating plate 9 caused by load inertia, so that the two first fixed blocks 6 and the two first fan-shaped fixed blocks 7 collide and are damaged is avoided.
When the permanent magnet motor 2 is turned off, the rotation speed of the output shaft of the permanent magnet motor 2 is gradually reduced, and under the action of a tension spring between the first rotating frame 8 and the first rotating plate 5, the first rotating frame 8 moves leftwards and drives all components to reset.
Example 2
On the basis of embodiment 1, as shown in fig. 2 and 7, the device further comprises a motor protection mechanism fixedly connected with the second rotating plate 9, the motor protection mechanism is used for protecting an output shaft of the permanent magnet motor 2, the motor protection mechanism comprises a second rotating frame 17, the second rotating frame 17 is connected to the right side of the second rotating plate 9 through bolts, a sliding plate 18 is connected to the inner spline of the second rotating frame 17, a disc spring is fixedly connected between the sliding plate 18 and the second rotating frame 17, ball fixing columns 19 are welded on the right side of the sliding plate 18 at equal intervals in the circumferential direction, a third rotating plate 20 is connected to the right side of the second rotating frame 17 in a rotating manner, hemispherical grooves matched with adjacent ball fixing columns 19 are formed in the third rotating plate 20, the hemispherical grooves of the third rotating plate 20 are larger than the ball fixing columns 19 in diameter and are used for protecting the ball fixing columns 19, the third rotating plate 20 is driven to rotate through the second rotating frame 17, a limiting component used for limiting the sliding plate 18 is arranged in the second rotating frame 17, a limiting component used for limiting the sliding plate 18 to move is welded in the second rotating frame 17, a limiting component is arranged in the second rotating frame 17, an unlocking component matched with the limiting component is used for unlocking component.
As shown in fig. 7, the limiting component comprises a circular fixing plate 21, the circular fixing plate 21 is welded on the inner wall of the second rotating frame 17, the circular fixing plate 21 is located between the sliding plate 18 and the third rotating plate 20, the circular fixing plate 21 is slidably connected with the ball fixing posts 19, a circular protrusion is arranged on the left side of the circular fixing plate 21, a circular protrusion is arranged on the right side of the sliding plate 18, the circular protrusion of the circular fixing plate 21 is slidably matched with the circular protrusion of the sliding plate 18, elastic telescopic rods 22 are slidably connected at equal intervals in the circumferential direction of the second rotating frame 17, the telescopic ends of the elastic telescopic rods 22 are in contact with the outer wall of the circular protrusion of the sliding plate 18, the eight ball fixing posts 19 are driven by the third rotating plate 20 to drive the sliding plate 18 to move leftwards, power transmission between the permanent magnet motor 2 and the third rotating plate 20 is interrupted, and foreign matters are prevented from being blocked suddenly due to load, the output shaft of the permanent magnet motor 2 is not rotated any more, current conflicts with input on the permanent magnet motor 2 are avoided, and the coil of the permanent magnet motor 2 is burnt.
As shown in fig. 7, the unlocking assembly comprises cylindrical fixing blocks 23 distributed at equal intervals in the circumferential direction, the cylindrical fixing blocks 23 distributed at equal intervals in the circumferential direction are respectively welded at the outer ends of adjacent elastic telescopic rods 22, a fourth rotating plate 24 is rotationally connected to the second rotating frame 17, the fourth rotating plate 24 is connected with the second rotating frame 17 through bolts, arc-shaped sliding rails 25 in sliding fit with the adjacent cylindrical fixing blocks 23 are circumferentially and equidistant on the fourth rotating plate 24, and the fourth rotating plate 24 is rotated to drive the four elastic telescopic rods 22 to move to limit the annular protrusions on the right side of the sliding plate 18, so that a user can conveniently release the limit of the annular protrusions on the right side of the sliding plate 18 by the four elastic telescopic rods 22.
When the second rotating plate 9 rotates, the second rotating plate 9 drives the second rotating frame 17 to rotate, the second rotating frame 17 drives the third rotating plate 20 to rotate through the sliding plate 18 and the eight ball fixing columns 19, and the third rotating plate 20 drives the load to rotate and work.
In the above process, when the load suddenly catches a foreign matter, and the load cannot rotate, the third rotating plate 20 does not rotate any more, at this time, under the extrusion action of the third rotating plate 20, the eight ball fixing columns 19 drive the slide plate 18 to move leftwards, and extrude the disc springs between the slide plate 18 and the second rotating frame 17 until the eight ball fixing columns 19 are completely separated from the hemispherical grooves of the third rotating plate 20, so as to interrupt the power transmission between the permanent magnet motor 2 and the third rotating plate 20, avoid the phenomenon that the output shaft of the permanent magnet motor 2 does not rotate any more due to the sudden catch of the foreign matter on the load, and collide with the current input on the permanent magnet motor 2, and cause the coil of the permanent magnet motor 2 to burn.
In the process of moving the slide plate 18 leftwards, the annular bulge on the right side of the slide plate 18 moves leftwards, until the eight ball fixing columns 19 are completely separated from the hemispherical groove of the third rotating plate 20, the annular bulge on the right side of the slide plate 18 does not limit the telescopic ends of the four elastic telescopic rods 22 any more, the telescopic ends of the four elastic telescopic rods 22 move to be in contact with the annular bulge on the left side of the circular fixing plate 21, at the moment, the telescopic ends of the four elastic telescopic rods 22 are the maximum extension length, the annular bulge on the right side of the slide plate 18 is limited, and after foreign matters are prevented from being suddenly clamped in on a load, the eight ball fixing columns 19 which continue to rotate are intermittently matched with the hemispherical groove of the third rotating plate 20, so that the eight ball fixing columns 19 and the permanent magnet motor 2 are damaged.
After the eight ball fixing columns 19 are completely separated from the hemispherical grooves of the third rotating plate 20, a user stops the permanent magnet motor 2, and after the eight ball fixing columns 19 are completely stopped, the user takes out the foreign matters suddenly clamped in on the load, screws the bolts between the fourth rotating plate 24 and the second rotating plate 17 until the second rotating plate 17 is not limited to the fourth rotating plate 24 any more, the user rotates the fourth rotating plate 24, the fourth rotating plate 24 drives the four elastic telescopic rods 22 through the four arc-shaped sliding rails 25 on the fourth rotating plate 24 until the four elastic telescopic rods 22 are not limited to the annular protrusions on the right side of the sliding plate 18 any more, at this time, under the action of the disc springs between the sliding plate 18 and the second rotating plate 17, the eight ball fixing columns 19 move rightwards and reset, if the eight ball fixing columns 19 cannot be matched with the hemispherical grooves of the third rotating plate 20 at this time, the user rotates the output shaft of the permanent magnet motor 2 until the eight ball fixing columns 19 are matched with the hemispherical grooves of the third rotating plate 20, in the process, the annular protrusions on the right side of the sliding plate 18 drive the four elastic telescopic rods 22 to limit the ends of the four elastic telescopic rods 22 again, and the four elastic telescopic rods 22 through the four arc-shaped sliding rails 24 when the four elastic telescopic rods 24 are driven by the fourth rotating plate 24 to the fourth rotating plate 17, and the fourth rotating plate 17 is reset by the reset through the action of the disc springs between the four elastic telescopic rods, and the fourth rotating plate 24 and the fourth rotating plate 17.
Example 3
On the basis of embodiment 2, as shown in fig. 1, 8 and 9, still including the cooling body who is used for cooling down permanent magnet motor 2, cooling body sets up in mount 1, cooling body fan 26, fan 26 key-type is in the output shaft of permanent magnet motor 2, utilize fan 26 to rotate and produce negative pressure absorption outside air to cool down permanent magnet motor 2, the output shaft key-type of permanent magnet motor 2 is connected with filter screen 27, utilize filter screen 27 to filter fan 26 absorptive air, avoid the impurity in the outside air to attach between mount 1 and permanent magnet motor 2, mount 1 welds the clearance frame 28 that is used for clearing up filter screen 27, clearance frame 28 rotates with the output shaft of permanent magnet motor 2 to be connected, the upside of clearance frame 28 sets up to the L type, and clearance frame 28 is provided with the inclined plane that is used for clearing up filter screen 27, utilize the inclined plane of clearance frame 28 to clear up the impurity on the filter screen 27, avoid the impurity to attach on filter screen 27, reduce the air flow area between mount 1 and the permanent magnet motor 2, the one end and the clearance frame 28 intercommunication of ventilation pipe 29, the other end and being located in mount 1, and opening face 27, and the clearance frame 28 are gone into to carry out the clearance frame 29 to get into to the clearance frame 28 and use and get rid of the impurity on the clearance frame 28 to get rid of the effect of the clearance frame 28 to the impurity that the clearance frame is avoided.
When the permanent magnet motor 2 works, the output shaft of the permanent magnet motor 2 drives the fan 26 and the filter screen 27 to rotate, the fan 26 rotates to generate negative pressure, external air is adsorbed to cool the permanent magnet motor 2, the overhigh temperature of the permanent magnet motor 2 is avoided, the filter screen 27 filters air adsorbed by the fan 26, impurities in the external air are prevented from being attached between the fixing frame 1 and the permanent magnet motor 2, and the air flow area between the fixing frame 1 and the permanent magnet motor 2 is reduced.
At filter screen 27 pivoted in-process, utilize the inclined plane clearance filter screen 27 of clearance frame 28 to go up impurity, avoid impurity to attach on filter screen 27, reduce the air flow area between mount 1 and the permanent-magnet machine 2, air after filter screen 27 filters cools off permanent-magnet machine 2, and blow upwards through ventilation pipe 29 and clearance frame 28 after the cooling, clear up the impurity of collecting on the clearance frame 28, avoid impurity accumulation of collecting on the clearance frame 28, lead to clearance frame 28 to reduce the cleaning effect of filter screen 27.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A high-power axial combined disc permanent magnet motor is characterized in that: comprises a fixing frame (1), a permanent magnet motor (2) is detachably arranged on the fixing frame (1), a supporting frame (3) positioned on one side of an output shaft of the permanent magnet motor (2) is fixedly connected with the supporting frame (3), a sealing shell (4) rotationally connected with the output shaft of the permanent magnet motor (2) is fixedly connected with one side, close to the permanent magnet motor (2), of the sealing shell (4), a first rotating plate (5) is rotationally connected, the first rotating plate (5) is provided with symmetrical through holes, the output shaft of the permanent magnet motor (2) is symmetrically fixedly connected with a first fixed block (6) positioned between the first rotating plate (5) and the sealing shell (4), the side wall of the first fixed block (6) is contacted with the first rotating plate (5) and the sealing shell (4) in a sliding fit, one side, close to the permanent magnet motor (2), of the first rotating plate (5) is symmetrically distributed, the first fixed block (6) and the first symmetrically distributed fan-shaped fixed block (7) are mutually staggered, the first symmetrically distributed first fixed block (6), the first symmetrically distributed first fan-shaped fixed block (7) and the first fan-shaped motor (4) are matched with the first rotating shell (4) to form a sliding spline (8) and are far away from the first rotating frame (2), a tension spring is fixedly connected between the first rotating frame (8) and the first rotating plate (5), a sealing shell (4), the first rotating frame (8) and the first rotating plate (5) are matched to form a second cavity, the second cavity is communicated with a through hole of the first rotating plate (5), one end of the sealing shell (4) away from the permanent magnet motor (2) is rotationally connected with a second rotating plate (9), the first rotating frame (8), the second rotating plate (9) and the sealing shell (4) are matched to form a third cavity, one side of the first fan-shaped fixed block (7) close to an output shaft of the permanent magnet motor (2) is provided with a first through hole (10) communicated with the first cavity, the first through hole (10) is communicated with an adjacent through hole on the first rotating plate (5), one side of the first fan-shaped fixed block (7) away from the output shaft of the permanent magnet motor (2) is provided with a second through hole (11) communicated with the first cavity, one end of the sealing shell (4) is symmetrically embedded with a connecting pipe (12), one end of the connecting pipe (12) is communicated with the adjacent second through hole (11), the other end of the connecting pipe (12) is communicated with the first through hole (12), the first through hole (11) is communicated with the first through hole (5), the first through hole (12) and the first through hole (5) are filled with the first through hole, a load buffer mechanism for matching the first rotating frame (8) with the second rotating plate (9) is arranged in the sealing shell (4), the first rotating frame (8) is driven to move by hydraulic oil in the first cavity through rotating and extruding of the first fixed block (6), and the load buffer mechanism buffers the instant torque of the permanent magnet motor (2) when the permanent magnet motor is just started; the load buffer mechanism comprises a first gasket (13), the first gasket (13) is fixedly connected to the inner wall of the sealing shell (4), the first gasket (13) is located in a first rotating frame (8), a second fixing block (14) is fixedly connected to one side of the first rotating frame (8) close to the first gasket (13) at equal intervals in the circumferential direction, the second fixing block (14) distributed at equal intervals in the circumferential direction is in extrusion fit with the first gasket (13), a second gasket (15) is fixedly connected to one side of the second fixing block (14) close to the second rotating plate (9), a second fan-shaped fixing block (16) is fixedly connected to one side of the second rotating plate (9) close to the second fixing block (14) at equal intervals in the circumferential direction, and the second fan-shaped fixing block (16) distributed at equal intervals in the circumferential direction is in extrusion fit with the second gasket (15).
2. The high-power axial combination disc permanent magnet motor of claim 1, wherein: one end of the first through hole (10) and one end of the second through hole (11) which are communicated with the first cavity are all in a round table shape, one side with a large diameter is communicated with the first cavity, the through hole of the first rotating plate (5) is in a round table shape, one side with a large diameter is communicated with the second cavity, two ends of the connecting pipe (12) are all in a round table shape, one side with a large diameter is communicated with the adjacent second through hole (11), and buffer force of hydraulic oil is increased.
3. The high-power axial combination disc permanent magnet motor of claim 1, wherein: the first gasket (13) and the second gasket (15) are made of soft materials and are used for limiting the second fixing block (14) and the second fan-shaped fixing block (16).
4. The high-power axial combination disc permanent magnet motor of claim 1, wherein: the motor protection mechanism is used for protecting an output shaft of the permanent magnet motor (2), the motor protection mechanism comprises a second rotating frame (17), the second rotating frame (17) is fixedly connected to one side, far away from the permanent magnet motor (2), of the second rotating frame (9), a sliding plate (18) is connected to the second rotating frame (17) through internal splines, a disc spring is fixedly connected between the sliding plate (18) and the second rotating frame (17), ball fixing columns (19) are fixedly connected to one side, far away from the second rotating plate (9), of the sliding plate (18) at equal intervals in the circumferential direction, a third rotating plate (20) is connected to one side, far away from the second rotating plate (9), of the second rotating frame (17), a hemispherical groove matched with the adjacent ball fixing columns (19) is formed in the third rotating plate (20), a limiting component used for limiting the movement of the sliding plate (18) is arranged in the second rotating frame (17), and the unlocking component is used for releasing the limitation of the movement of the limiting component to the sliding plate (18).
5. The high-power axial combination disc permanent magnet motor of claim 4, wherein: the diameter of the hemispherical groove of the third rotating plate (20) is larger than that of the ball fixing column (19), and the hemispherical groove is used for protecting the ball fixing column (19).
6. The high-power axial combination disc permanent magnet motor of claim 5, wherein: the limiting component comprises a circular fixing plate (21), the circular fixing plate (21) is fixedly connected to the inner wall of the second rotating frame (17), the circular fixing plate (21) is located between the sliding plate (18) and the third rotating plate (20), the circular fixing plate (21) is slidably connected with the ball fixing column (19), a circular protrusion is arranged on one side, close to the sliding plate (18), of the circular fixing plate (21), a circular protrusion is arranged on one side, close to the circular fixing plate (21), of the sliding plate (18), the circular protrusion of the circular fixing plate (21) is slidably matched with the circular protrusion of the sliding plate (18), an elastic telescopic rod (22) is slidably connected with the second rotating frame (17) at equal intervals in the circumferential direction, and the telescopic end of the elastic telescopic rod (22) is in contact with the outer wall of the circular protrusion of the sliding plate (18).
7. The high-power axial combination disc permanent magnet motor of claim 6, wherein: the unlocking assembly comprises cylindrical fixed blocks (23) distributed at equal intervals in the circumferential direction, the cylindrical fixed blocks (23) distributed at equal intervals in the circumferential direction are fixedly connected to one ends, away from the circular protrusions of the sliding plates (18), of the adjacent elastic telescopic rods (22), the second rotating frame (17) is rotationally connected with a fourth rotating plate (24), the fourth rotating plate (24) is connected with the second rotating frame (17) through bolts, and arc-shaped sliding rails (25) in sliding fit with the adjacent cylindrical fixed blocks (23) are arranged at equal intervals in the circumferential direction of the fourth rotating plate (24).
8. The high-power axial combination disc permanent magnet motor of claim 1, wherein: the cooling mechanism is arranged on the fixing frame (1), the cooling mechanism fan (26) is fixedly connected to an output shaft of the permanent magnet motor (2), a filter screen (27) is fixedly connected to the output shaft of the permanent magnet motor (2), a cleaning frame (28) for cleaning the filter screen (27) is fixedly connected to the fixing frame (1), the cleaning frame (28) is rotationally connected with the output shaft of the permanent magnet motor (2), a ventilation pipe (29) is fixedly connected to the fixing frame (1), one end of the ventilation pipe (29) is communicated with the cleaning frame (28), and the other end of the ventilation pipe (29) is located in the fixing frame (1) and the opening faces the filter screen (27).
9. The high-power axial combination disc permanent magnet motor of claim 8, wherein: one side of the cleaning frame (28) far away from the output shaft of the permanent magnet motor (2) is L-shaped, and the cleaning frame (28) is provided with an inclined surface for cleaning the filter screen (27).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211455202.6A CN115765300B (en) | 2022-11-21 | 2022-11-21 | High-power axial combined disc type permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211455202.6A CN115765300B (en) | 2022-11-21 | 2022-11-21 | High-power axial combined disc type permanent magnet motor |
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| CN115765300A CN115765300A (en) | 2023-03-07 |
| CN115765300B true CN115765300B (en) | 2023-09-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451904A (en) * | 2015-08-06 | 2017-02-22 | 德昌电机(深圳)有限公司 | Blower fan, water pump single-phase motor drive assembly and torque transmission mechanism thereof |
| CN110932470A (en) * | 2019-12-17 | 2020-03-27 | 郑州铁路职业技术学院 | Electromechanical integrated permanent magnet motor |
| CN212875599U (en) * | 2020-09-30 | 2021-04-02 | 扬州市鑫明机电有限公司 | Novel permanent magnet generator |
-
2022
- 2022-11-21 CN CN202211455202.6A patent/CN115765300B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451904A (en) * | 2015-08-06 | 2017-02-22 | 德昌电机(深圳)有限公司 | Blower fan, water pump single-phase motor drive assembly and torque transmission mechanism thereof |
| CN110932470A (en) * | 2019-12-17 | 2020-03-27 | 郑州铁路职业技术学院 | Electromechanical integrated permanent magnet motor |
| CN212875599U (en) * | 2020-09-30 | 2021-04-02 | 扬州市鑫明机电有限公司 | Novel permanent magnet generator |
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| Publication number | Publication date |
|---|---|
| CN115765300A (en) | 2023-03-07 |
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Denomination of invention: A high-power axial combined disc permanent magnet motor Effective date of registration: 20231102 Granted publication date: 20230922 Pledgee: China Construction Bank Corporation Weihai Wendeng Branch Pledgor: WEIHAI QUANXIN MOTOR Co.,Ltd. Registration number: Y2023980063653 |
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Granted publication date: 20230922 Pledgee: China Construction Bank Corporation Weihai Wendeng Branch Pledgor: WEIHAI QUANXIN MOTOR Co.,Ltd. Registration number: Y2023980063653 |