CN216929817U - Motor rotor assembling device - Google Patents

Abstract

The application provides a motor rotor assembling device which is used for assembling a motor rotor and a speed reducer and comprises a linear driving device and a device main body, wherein the device main body is connected to the linear driving device and can reciprocate under the driving of the linear driving device; the device main body comprises a plane rotation mechanism, a universal floating mechanism and a clamping mechanism, wherein the universal floating mechanism and the clamping mechanism are sequentially arranged along the axis of the plane rotation mechanism; the clamping mechanism is hinged to the universal floating mechanism and used for clamping the motor rotor. The motor rotor assembling device can conduct guiding through the universal floating mechanism, ensures the pressing-in precision of the motor rotor, and effectively prevents the edge cutting of the O-shaped ring of the rotor shaft; and the linear driving device can accurately control the press-fitting speed and displacement, and the damage of the wave spring is avoided.

Description

Motor rotor assembling device

Technical Field

The application relates to the technical field of motor rotor assembly, in particular to a motor rotor assembly device.

Background

The core component of the electric automobile is an electric drive system, and the electric drive system consists of a drive motor and a speed reducer. The assembly of the driving motor and the speed reducer is realized by matching an external spline of a motor rotor with an internal spline of the speed reducer and then screwing a fixing screw. The motor rotor and speed reducer assembly tool commonly used in the prior art has the series of problems of long time consumption of spline, inconvenient operation, edge cutting of an O-shaped ring of a rotor shaft, damage of a wave spring and the like, and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

The present application aims to provide an electric machine rotor assembly apparatus to solve or improve the above problems. The present application achieves the above object by the following technical solutions.

The embodiment of the application provides a motor rotor assembling device, which is used for assembling a motor rotor and a speed reducer, wherein the motor rotor comprises a rotor shaft, a front bearing and a rear bearing, the front bearing and the rear bearing are respectively sleeved at two ends of the rotor shaft, the rear bearing comprises a first end surface and a second end surface which are opposite to each other, the second end surface faces the front bearing, the motor rotor assembling device comprises a linear driving device and a device main body, and the device main body is connected to the linear driving device and can reciprocate under the driving of the linear driving device; the device main body comprises a plane rotation mechanism, a universal floating mechanism and a clamping mechanism, wherein the universal floating mechanism and the clamping mechanism are sequentially arranged along the axis of the plane rotation mechanism; the clamping mechanism is hinged to the universal floating mechanism and used for clamping the motor rotor.

In an embodiment, fixture includes manual regulating plate and centre gripping subassembly, and manual regulating plate is located between universal relocation mechanism and the centre gripping subassembly, and manual regulating plate articulates in universal relocation mechanism, and the centre gripping subassembly is connected in manual regulating plate for centre gripping electric motor rotor.

In one embodiment, the clamping mechanism further comprises a manual swivel handle connected to the manual adjustment plate.

In an embodiment, the centre gripping subassembly includes a plurality of tongs of arranging along manual regulation board's circumference interval, and the tongs includes tongs body and clamping part, and tongs body coupling is in manual regulation board, and the clamping part is connected in the tongs body, and for tongs body orientation manual regulation board's center protrusion, the clamping part is used for offsetting with the second terminal surface in order to centre gripping electric motor rotor.

In an embodiment, the tongs still includes to support the portion, supports to connect in the tongs body by the portion, and clamping part and support to arrange in proper order along the direction of keeping away from manual regulating plate by the portion, supports to support the portion and bulge towards the center of manual regulating plate for support with the outer peripheral face of rotor shaft for.

In one embodiment, the hand grab further comprises a pressing part, the pressing part is connected to the hand grab body and extends along the direction away from the manual adjusting plate, and the pressing part is used for abutting against the first end face.

In one embodiment, the universal floating mechanism comprises a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft extend along the axis of the plane slewing mechanism, and the first connecting shaft is connected to the plane slewing mechanism and can rotate around the axis of the plane slewing mechanism; the second connecting shaft is connected to the first connecting shaft and can rotate around the axis of the plane slewing mechanism, and the clamping mechanism is hinged to the second connecting shaft.

In one embodiment, the planar rotation mechanism includes a connecting housing and a bearing, the connecting housing is connected to the linear driving device, the bearing is disposed in the connecting housing, and the bearing is sleeved outside the first connecting shaft.

In an embodiment, the motor rotor assembling device further includes a fixing seat, the fixing seat is located between the planar rotating mechanism and the clamping mechanism, the fixing seat is provided with a movable cavity, and the first connecting shaft penetrates through the movable cavity and can rotate relative to the fixing seat.

In one embodiment, the motor rotor assembly further comprises a floating joint, and the planar slewing gear is connected to the linear drive through the floating joint.

The embodiment of the application provides a motor rotor assembling device, a clamping mechanism is used for grabbing a motor rotor, the clamping mechanism is connected to a plane rotating mechanism through a universal floating mechanism, the plane rotating mechanism is connected to a linear driving device, the universal floating mechanism can play a role in guiding, the pressing-in precision of the motor rotor is ensured, the good coaxiality of the motor rotor and a speed reducer is ensured, and the edge cutting of an O-shaped ring of a rotor shaft is effectively prevented; the linear driving device can accurately control the press-fitting speed and displacement of the motor rotor, reduce the impact force on the wave spring in the press-in process and avoid the wave spring from being damaged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an unassembled motor rotor and speed reducer according to an embodiment of the present disclosure.

Fig. 2 is a structural schematic diagram of an assembled motor rotor and speed reducer according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a motor rotor assembling device according to an embodiment of the present application.

Fig. 4 is a cross-sectional view of a device body in a motor rotor assembling device provided in an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a device body in a motor rotor assembling device according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

Referring to fig. 1 and fig. 2, the motor rotor 100 includes a rotor shaft 110, a front bearing 120 sleeved at one end of the rotor shaft 110, and a rear bearing 130 sleeved at the other end of the rotor shaft 110, wherein the rear bearing 130 includes a first end surface 131 and a second end surface 132 opposite to each other, and the second end surface 132 faces the front bearing 120. One end of the rotor shaft 110, which is sleeved with the front bearing 120, protrudes out of the front bearing 120, a rotor shaft external spline 140 is arranged on the part of the rotor shaft 110, which protrudes out of the front bearing 120, and a rotor shaft O-ring 150 is sleeved on one end of the rotor shaft external spline 140, which is far away from the front bearing 120. The housing of the reducer 200 is mounted with a wave spring 210, the reducer 200 is provided with an input shaft internal spline 220, when the motor rotor 100 and the reducer 200 are assembled, the rotor shaft external spline 140 is inserted into the reducer 200 and engaged with the input shaft internal spline 220, the front bearing 120 is mounted in the bearing chamber of the reducer 200, and the rotor shaft 110 and the reducer 200 are rotatably connected through the front bearing 120.

In the assembly tool for the motor rotor 100 and the speed reducer 200 commonly used in the prior art, a potential series of problems such as long alignment time of the rotor shaft external spline 140 and the input shaft internal spline 220, inconvenience in operation, edge cutting of the rotor shaft O-ring 150 (the edge cutting is a product failure mode, namely the rotor shaft O-ring 150 is damaged), damage of the wave spring 210 and the like exist. In addition, the motor rotor 100 assembly has large mass and magnetic attraction force, is not suitable for manual assembly, and is critical to ensure that the rotor shaft external spline 140 is stably sleeved into the input shaft internal spline 220 and the front bearing 120 is completely installed in the bearing chamber of the speed reducer 200 in place, so that good coaxiality of the motor rotor 100 and the speed reducer 200 is ensured.

In view of the above, the inventor of the present invention has made research and provides a motor rotor assembling device, in which a clamping mechanism is used for grabbing a motor rotor, the clamping mechanism is connected to a planar swing mechanism through a universal floating mechanism, the planar swing mechanism is connected to a linear driving device, and the universal floating mechanism can play a role in guiding, so as to ensure the pressing precision of the motor rotor, ensure the good coaxiality of the motor rotor and a speed reducer, and effectively prevent the edge cutting of an O-ring of a rotor shaft; the linear driving device can accurately control the press-fitting speed and displacement of the motor rotor, reduce the impact force on the wave spring in the press-in process and avoid the wave spring from being damaged.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 2 and 3, an embodiment of the present invention provides a motor rotor assembling apparatus 300, which includes a linear driving apparatus 310 and an apparatus main body 320, wherein the apparatus main body 320 is connected to the linear driving apparatus 310 and can perform a linear reciprocating motion under the driving of the linear driving apparatus 310. The apparatus body 320 includes a planar slewing mechanism 330, and a universal floating mechanism 340 and a clamping mechanism 350 which are sequentially disposed along an axis (e.g., axis X in fig. 3) of the planar slewing mechanism 330, the planar slewing mechanism 330 being connected to the linear driving apparatus 310, the universal floating mechanism 340 being connected to the planar slewing mechanism 330 and being rotatable about the axis of the planar slewing mechanism 330; the clamping mechanism 350 is hinged to the universal floating mechanism 340, and the clamping mechanism 350 is used for clamping the motor rotor 100.

According to the motor rotor assembling device 300 provided by the embodiment of the application, the motor rotor 100 is clamped by the clamping mechanism 350, the clamping mechanism 350 is connected to the plane rotating mechanism 330 through the universal floating mechanism 340, so that the clamping mechanism 350 can rotate around the axis of the plane rotating mechanism 330, and the clamping mechanism 350 is hinged to the universal floating mechanism 340, so that the clamping mechanism 350 can swing in the direction perpendicular to the axis of the plane rotating mechanism 330, namely in the radial direction of the plane rotating mechanism 330, and therefore, alignment of the motor rotor 100 and the speed reducer 200 can be guided, pressing-in accuracy of the motor rotor 100 is ensured, good coaxiality of the motor rotor 100 and the speed reducer 200 is ensured, and edge cutting of the rotor shaft O-shaped ring 150 is effectively prevented; the linear driving device 310 can precisely control the press-fitting speed and displacement of the motor rotor 100, reduce the impact force on the wave spring 210 during the press-fitting process, and prevent the wave spring 210 from being damaged.

In this embodiment, the linear driving device 310 may be an electric cylinder, which is a modular product that integrates a servo motor and a lead screw, and can convert the rotational motion of the servo motor into a linear motion, and has precise speed, position, and thrust control. The plane turning mechanism 330 is connected to the linear driving device 310, which means that the plane turning mechanism 330 is connected to a power output shaft of an electric cylinder, and the electric cylinder drives the device body 320 to reciprocate along an axis of the plane turning mechanism 330.

Referring to fig. 3 and 4, in some embodiments, the clamping mechanism 350 includes a manual adjustment plate 351 and a clamping assembly 352, the manual adjustment plate 351 is located between the universal floating mechanism 340 and the clamping assembly 352, the manual adjustment plate 351 is hinged to the universal floating mechanism 340, and the clamping assembly 352 is connected to the manual adjustment plate 351 for clamping the motor rotor 100. Manual regulation plate 351 is used for the manual rotation, can drive clamping component 352 through manual rotation manual regulation plate 351 and rotate in step for rotor shaft external splines 140 mesh with input shaft internal splines 220 in reduction gear 200 mutually, ensure that electric motor rotor 100 and reduction gear 200 attach together and target in place, and operating personnel need not direct contact electric motor rotor 100.

In this embodiment, the clamping assembly 352 may be fixedly connected to the manual adjustment plate 351, and the clamping assembly 352 and the manual adjustment plate 351 may synchronously rotate around the axis of the plane slewing mechanism 330 and swing in the radial direction of the plane slewing mechanism 330.

In some embodiments, the clamping mechanism 350 further includes a manual turn handle 353, the manual turn handle 353 being connected to the manual adjustment plate 351 to facilitate manual rotation of the manual adjustment plate 351.

In this embodiment, the manual swing handle 353 is a rod-shaped structure extending in a radial direction of the planar swing mechanism 330. The number of the manual rotation handles 353 may be plural, and the plural manual rotation handles 353 are radially arranged along the circumferential direction of the manual adjustment plate 351. As an example, the manual swing handle 353 includes three.

In some embodiments, the gimbal floatation mechanism 340 includes a first connection shaft 341 and a second connection shaft 342, the first connection shaft 341 and the second connection shaft 342 extending along an axis of the planar slewing mechanism 330, the first connection shaft 341 being connected to the planar slewing mechanism 330 and rotatable about the axis of the planar slewing mechanism 330; the second connecting shaft 342 is connected to the first connecting shaft 341 and is rotatable about the axis of the planar swing mechanism 330, and the clamping mechanism 350 is hinged to the second connecting shaft 342. The clamping mechanism 350 can rotate around the axis of the planar rotation mechanism 330 under the driving of the second connecting shaft 342, and the first connecting shaft 341 and the second connecting shaft 342 can both rotate, so as to increase the rotation range of the clamping mechanism 350.

In this embodiment, the planar rotating mechanism 330, the first connecting shaft 341 and the second connecting shaft 342 are coaxially disposed. One end of the second connecting shaft 342 is inserted into the first connecting shaft 341, and the other end of the second connecting shaft 342 protrudes out of the first connecting shaft 341. The manual adjustment plate 351 is hinged to one end of the second connection shaft 342 far away from the first connection shaft 341 and can be in micro-clearance fit with the end of the second connection shaft 342.

As an embodiment, the first connection shaft 341 and the second connection shaft 342 may be rotatably connected by a sliding rail and a sliding groove. For example, an installation cavity is provided at one end of the first connection shaft 341 facing the second connection shaft 342, and the second connection shaft 342 is inserted into the installation cavity; the outer peripheral surface of the second connecting shaft 342 is convexly provided with a sliding rail extending along the circumferential direction of the second connecting shaft 342, the inner wall of the mounting cavity is provided with a sliding groove corresponding to the sliding rail, and the first connecting shaft 341 and the second connecting shaft 342 can be rotatably connected through the sliding fit of the sliding rail and the sliding groove.

In some embodiments, the planar rotation mechanism 330 includes a connection housing 331 and a bearing 332, the connection housing 331 is connected to the linear driving device 310, the bearing 332 is disposed in the connection housing 331, and the bearing 332 is sleeved outside the first connection shaft 341. The connection housing 331 serves to mount the bearing 332, and the first connection shaft 341 is rotatable about the axis of the bearing 332 by the bearing 332, wherein the axis of the bearing 332 is the axis of the planar slewing mechanism 330.

In this embodiment, the bearing 332 is fixedly installed in the connection housing 331. One end of the first connecting shaft 341 facing the bearing 332 protrudes in the radial direction of the first connecting shaft 341 to form a protruding edge, and the protruding edge abuts against the end surface of the bearing 332 to prevent the first connecting shaft 341 from being separated from the bearing 332.

In some embodiments, the electric motor rotor assembling apparatus 300 further includes a fixing base 360, the fixing base 360 is located between the planar rotating mechanism 330 and the clamping mechanism 350, the fixing base 360 is provided with a movable cavity 361, and the first connecting shaft 341 is inserted into the movable cavity 361 and can rotate relative to the fixing base 360. The fixing seat 360 is used for limiting the first connecting shaft 341 to prevent the first connecting shaft 341 from radially deviating; the fixing base 360 is also used for abutting against the planar rotating mechanism 330 during the movement of the planar rotating mechanism 330 to limit the linear displacement distance of the planar rotating mechanism 330, so as to limit the linear displacement distance of the entire device body 320 and avoid the damage to the reducer 200 and/or the motor rotor 100 caused by the excessive displacement output by the linear driving device 310.

In this embodiment, after the whole motor rotor assembling apparatus 300 is installed, the apparatus main body 320 can be driven by the linear driving device 310 to perform linear reciprocating motion, and the position of the fixing base 360 remains unchanged. The movable cavity 361 has a cylindrical cavity structure, and the inner diameter of the movable cavity 361 is slightly larger than the outer diameter of the first connection shaft 341 so as to be in micro-clearance fit with the first connection shaft 341.

In one embodiment, the fixing base 360 is a substantially cylindrical structure with a certain wall thickness, and a fixing plate 370 may be further fixedly connected to a side of the fixing base 360 facing the planar rotation mechanism 330 to facilitate fixedly mounting the fixing base 360. The outer diameter of the fixing seat 360 is larger than that of the connection housing 331 so as to limit the flat swiveling mechanism 330. The outer diameter of manual adjustment plate 351 is greater than the outer diameter of fixing base 360 to facilitate manual access to manual adjustment plate 351. When linear drive device 310 does not output displacement, fixing base 360 and connecting casing 331 and manual regulation board 351 all set up at an interval, and when linear drive device 310 output displacement, fixing base 360 and the interval increase of connecting between the casing 331, the interval between fixing base 360 and the manual regulation board 351 reduces, and centre gripping subassembly 352 drives electric motor rotor 100 and removes towards reduction gear 200.

In some embodiments, the motor rotor assembly apparatus 300 further includes a floating joint 380, and the planar slewing mechanism 330 is connected to the linear drive apparatus 310 through the floating joint 380. Under the action of the floating joint 380, the planar rotation mechanism 330 can swing in the radial direction of the planar rotation mechanism 330 by a small amount, and the alignment between the motor rotor 100 and the reducer 200 can be further guided.

In this embodiment, the coupling housing 331 is coupled to an output shaft of the linear drive device 310 through a floating joint 380. The floating joint 380 may be an articulated structure, and the planar slewing mechanism 330 is articulated to the linear driving device 310 through the floating joint 380. In other embodiments, the floating joint 380 may also be a universal coupling structure such as a universal joint or a universal ball joint, and for the specific structures of the hinge structure and the universal coupling structure, reference may be made to the prior art, which is not described herein again.

Referring to fig. 3, 4 and 5, in some embodiments, the clamping assembly 352 includes a plurality of hand grips 354 arranged at intervals along a circumferential direction of the manual adjustment plate 351, each hand grip 354 includes a hand grip body 355 and a clamping portion 356, the hand grip body 355 is connected to the manual adjustment plate 351, the clamping portion 356 is connected to the hand grip body 355 and protrudes toward a center of the manual adjustment plate 351 relative to the hand grip body 355, and the clamping portion 356 is configured to abut against the second end face 132 (detailed in fig. 1) of the rear bearing 130 to clamp the motor rotor 100 and abut against the second end face 132 of the rear bearing 130 through the clamping portion 356, so that the motor rotor 100 is effectively prevented from falling.

In this embodiment, the grip body 355 includes a first rod portion 3551 and a second rod portion 3552, the first rod portion 3551 extends in a radial direction of the bearing 332, and the first rod portion 3551 may be connected to the bottom of the manual adjustment plate 351 through a connecting rod or the like or directly connected to the bottom of the manual adjustment plate 351. The second rod portion 3552 is connected to the first rod portion 3551 and is disposed in an inclined manner relative to the first rod portion 3551, and an included angle between the second rod portion 3552 and the first rod portion 3551 may be an obtuse angle. The clamping portion 356 is a rod-shaped structure extending along the radial direction of the bearing 332, and one end of the clamping portion 356 is connected to the second rod portion 3552, and the other end thereof can extend to the bottom of the rear bearing 130 to abut against the second end face 132 of the rear bearing 130. The hand grip 354 may further include a reinforcing rod 357, the reinforcing rod 357 being connected between the first rod portion 3551 and the gripping portion 356 to improve the structural stability of the hand grip 354. The stiffening rod 357 can be perpendicular to both the first rod portion 3551 and the clamp portion 356.

In this embodiment, the hand grip body 355 is rotatably connected to the manual adjustment plate 351, and the rotation axis of the hand grip body 355 is perpendicular to the axis of the plane rotation mechanism 330. When the motor rotor 100 is gripped, each gripper 354 rotates in a direction away from each other, at this time, the clamping assembly 352 is in an open state, and the motor rotor 100 can be placed below the clamping assembly 352; then, each hand grip 354 is rotated along the direction of approaching each other, the plurality of hand grips 354 are folded and approached to each other, the clamping portion 356 of each hand grip 354 can be moved to the lower side of the rear bearing 130 and abut against the second end surface 132 of the rear bearing 130, and the position of the hand grip 354 is fixed, so that the motor rotor 100 can be gripped.

In other embodiments, the grip body 355 may be removably coupled to the manual adjustment plate 351. When the motor rotor 100 is gripped, the hand grip 354 may be detached from the manual adjustment plate 351, and after the hand grip 354 and the motor rotor 100 are assembled, the hand grip 354 may be mounted on the manual adjustment plate 351, and gripping of the motor rotor 100 may also be completed.

In some embodiments, the hand grip 354 further includes an abutting portion 358, the abutting portion 358 is connected to the hand grip body 355, the clamping portion 356 and the abutting portion 358 are sequentially arranged in a direction away from the manual adjustment plate 351, and the abutting portion 358 protrudes toward the center of the manual adjustment plate 351 relative to the hand grip body 355 for abutting against the outer circumferential surface of the rotor shaft 110 to improve gripping stability of the motor rotor 100.

In this embodiment, the gripper body 355 further includes a third rod portion 3553, the third rod portion 3553 is connected to an end of the second rod portion 3552 away from the first rod portion 3551, the third rod portion 3553 extends along the axial direction of the bearing 332, and an included angle between the third rod portion 3553 and the second rod portion 3552 is an obtuse angle. The abutting portion 358 is connected to an end of the third rod portion 3553 away from the second rod portion 3552, and the abutting portion 358 can be perpendicular to the third rod portion 3553.

In some embodiments, the hand grip 354 further includes a pressing portion 359, the pressing portion 359 is connected to the hand grip body 355 and extends in a direction away from the manual adjustment plate 351, and the pressing portion 359 is used for abutting against the first end surface 131 of the rear bearing 130 to ensure the clamping stability of the motor rotor 100.

In this embodiment, the pressing portion 359 has a strip structure. The pressing portion 359 is connected to an end of the first rod portion 3551 far from the second rod portion 3552, the pressing portion 359 is perpendicular to the first rod portion 3551, and an axial distance between the pressing portion 359 and the abutting portion 358 in the bearing 332 is substantially equal to a thickness of the rear bearing 130, that is, a distance between the first end surface 131 and the second end surface 132, so as to firmly clamp the rear bearing 130 and prevent the rear bearing 130 from shaking.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an electric motor rotor assembly quality for assemble electric motor rotor and reduction gear, a serial communication port, electric motor rotor includes the rotor shaft and overlaps respectively and locates the fore bearing and the rear bearing at rotor shaft both ends, the rear bearing includes first terminal surface and the second terminal surface of carrying on the back mutually, the second terminal surface orientation the fore bearing, electric motor rotor assembly quality includes:

a linear drive device; and

the device main body is connected with the linear driving device and can carry out reciprocating motion under the driving of the linear driving device; the device main body comprises a plane swing mechanism, and a universal floating mechanism and a clamping mechanism which are sequentially arranged along the axis of the plane swing mechanism, wherein the plane swing mechanism is connected with the linear driving device, and the universal floating mechanism is connected with the plane swing mechanism and can rotate around the axis of the plane swing mechanism; the clamping mechanism is hinged to the universal floating mechanism and used for clamping the motor rotor.

2. The electric motor rotor assembly apparatus of claim 1, wherein the clamping mechanism includes a manual adjustment plate and a clamping assembly, the manual adjustment plate is located between the universal floating mechanism and the clamping assembly, the manual adjustment plate is hinged to the universal floating mechanism, and the clamping assembly is connected to the manual adjustment plate for clamping the electric motor rotor.

3. The electric motor rotor assembly apparatus of claim 2, wherein said clamping mechanism further includes a manually rotatable handle connected to said manually adjustable plate.

4. The motor rotor assembling device according to claim 2, wherein the clamping assembly comprises a plurality of hand grips arranged at intervals along the circumferential direction of the manual adjusting plate, each hand grip comprises a hand grip body and a clamping portion, the hand grip body is connected to the manual adjusting plate, the clamping portion is connected to the hand grip body and protrudes towards the center of the manual adjusting plate relative to the hand grip body, and the clamping portion is used for abutting against the second end face to clamp the motor rotor.

5. The electric motor rotor assembling apparatus of claim 4, wherein the hand grip further comprises an abutting portion, the abutting portion is connected to the hand grip body, the clamping portion and the abutting portion are sequentially arranged in a direction away from the manual adjustment plate, and the abutting portion protrudes toward the center of the manual adjustment plate relative to the hand grip body for abutting against the outer circumferential surface of the rotor shaft.

6. The electric motor rotor assembly device of claim 4, wherein the hand grip further comprises a hold-down portion connected to the hand grip body and extending in a direction away from the manually adjustable plate, the hold-down portion configured to abut against the first end surface.

7. The electric machine rotor assembly device of claim 1, wherein the universal float mechanism includes a first connection shaft and a second connection shaft, the first connection shaft and the second connection shaft extending along an axis of the planar slewing mechanism, the first connection shaft connected to and rotatable about the axis of the planar slewing mechanism; the second connecting shaft is connected to the first connecting shaft and can rotate around the axis of the plane slewing mechanism, and the clamping mechanism is hinged to the second connecting shaft.

8. The electric motor rotor assembly apparatus of claim 7, wherein the planar rotation mechanism includes a connection housing and a bearing, the connection housing is connected to the linear driving device, the bearing is disposed in the connection housing, and the bearing is disposed outside the first connection shaft.

9. The electric motor rotor assembly device of claim 7, further comprising a fixing seat located between the planar rotation mechanism and the clamping mechanism, wherein the fixing seat is provided with a movable cavity, and the first connecting shaft is disposed through the movable cavity and can rotate relative to the fixing seat.

10. The electric motor rotor assembly apparatus of any one of claims 1-9, further comprising a floating joint, wherein the planar slewing mechanism is connected to the linear drive via the floating joint.

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