CN112542931B

CN112542931B - Motor rotor balancing machine

Info

Publication number: CN112542931B
Application number: CN202011334646.5A
Authority: CN
Inventors: 徐启宝
Original assignee: Suzhou Jubo Precision Equipment Co Ltd
Current assignee: Suzhou Jubo Precision Equipment Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-29
Anticipated expiration: 2040-11-24
Also published as: CN112542931A

Abstract

The invention discloses a motor rotor balancing machine, and belongs to the technical field of rotor detection. The method comprises the following steps: the device comprises a fixed base, a rotor support device and a limiting mechanism, wherein the fixed base is provided with a fixed base plate, a driving device, the rotor support device and the limiting mechanism; the fixed substrate is provided with a first sliding chute; the rotor supporting device includes: the device comprises a support frame, a support seat, an adjusting plate, a pair of rollers and an adjusting roller device; the adjustment roller device includes: the roller connecting frame and the pinch roller; the driving device includes: the motor bracket and the driving motor; stop gear includes: and the limiting idler wheels are positioned on the symmetrical longitudinal surfaces of the pair of idler wheels and transversely and vertically move on the symmetrical longitudinal surfaces. The driving device, the rotor supporting device and the limiting mechanism are adjustable along the position on the fixed base plate respectively and are of independent structures, so that the balancing machine is simple in structure and can adapt to rotors of different models.

Description

Motor rotor balancing machine

Technical Field

The invention relates to a motor rotor balancing machine, and belongs to the technical field of rotor detection.

Background

In order to reduce vibration of rotating machines, vehicles, instrument devices and the like, increase working speed, prolong service life, reduce noise, improve working conditions and the like, balancing must be performed on rotating parts (generally called rotors), complete machines, shafting or units. The balance is not only an indispensable procedure in the machine manufacturing process, but also one of the test and inspection items that the finished product, the complete machine or the machine set must carry out. Any instrument, machine or apparatus used for balancing may be generally referred to as a balancing machine or a balancer. The purpose of the method is to measure the magnitude and phase of the unbalance amount of the object to be balanced, and if necessary, improve the mass distribution of the object to be balanced, so that the residual unbalance or vibration caused by the unbalance or the supported dynamic load is reduced to be within a specified allowable range.

The motor rotor is an important rotating part in the motor, the motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy, and the motor rotor is divided into a motor rotor and a generator rotor. The dynamic balance of the rotor is an extremely important process in the production and manufacturing process of the motor, and is directly related to the problem whether the noise and vibration index performance of the motor reaches the standard or not. The defects in the electrical design of the motor can cause the noise and vibration to exceed the standard, and the noise and vibration problems of the motor are extremely complicated because the noise and vibration problems are interwoven with the mechanical imbalance problem.

In the prior art, a rotor bracket of a bracket balancing machine adopted for a motor rotor is of an integral structure, cannot be suitable for rotors of different models, is complex in structure, and is difficult to ensure the mounting precision of the rotor when the mounting position is adjusted; in addition, rotor bearing structure adopts the fixed block structure mostly, and wearing and tearing are fast, and also great to the damage of rotor, when the rotor was tested on the balancing machine, electric motor rotor jumped easily, influenced the security of balancing machine.

Disclosure of Invention

[ problem ] to

The rotor support of the support balancing machine adopted by the motor rotor is of an integral structure, cannot be suitable for rotors of different models, is complex in structure, adopts a fixed block structure mostly for a rotor supporting structure, and is fast in abrasion.

[ solution ]

The invention provides a motor rotor balancing machine, comprising: the device comprises a fixed base, a rotor support device and a limiting mechanism, wherein the fixed base is provided with a fixed base plate, a driving device, the rotor support device and the limiting mechanism; the fixed substrate is provided with a first sliding chute; the two rotor supporting devices are respectively connected in the first sliding chute in a sliding manner; the rotor supporting device includes: the supporting seat is arranged on the supporting frame, the adjusting plate is connected to the supporting seat in an up-and-down sliding mode, and the pair of rollers are fixed on the adjusting plate; the adjustment roller device includes: the roller connecting frame and the pinch roller; the roller connecting frame is connected to the supporting seat, the pinch roller is fixed on the roller connecting frame and positioned above the pair of rollers, and the pinch roller can move up and down along the roller connecting frame; the driving device includes: the motor support is arranged between the two rotor supporting devices, and the driving motor is fixed at one end of the side surface of the motor support; the motor bracket is connected on the fixed base plate in a parallel sliding manner, and the sliding direction of the motor bracket is parallel to the first sliding chute; stop gear has two, is fixed in the one side that is located two rotor strutting arrangement respectively, stop gear includes: and the limiting idler wheels are positioned on the symmetrical longitudinal surfaces of the pair of idler wheels and transversely and vertically move on the symmetrical longitudinal surfaces.

In an embodiment of the invention, the device further comprises a first locking member and a first sliding block, wherein the first sliding block is arranged in the first sliding groove, and the supporting frame slides in the first sliding groove through the first sliding block; the first locking member includes: first locking handle, first locking screw, the bottom joint support slide of support frame supports the slide and is connected through first retaining member with first slider, first locking screw connects on first locking handle, and first locking screw is connected with first slider.

In an embodiment of the present invention, the limiting mechanism further includes: the support comprises a limiting frame, a connecting block, a transverse adjusting beam and a vertical adjusting beam, wherein the transverse adjusting beam is connected with the support seat, and the vertical adjusting beam is connected with the transverse adjusting beam through the connecting block; the limiting frame is fixed on the vertical adjusting beam, and the limiting idler wheel is fixed on the limiting frame; and a transverse through hole and a vertical through hole which are used for the transverse adjusting beam and the vertical adjusting beam to pass through are respectively arranged on the connecting block in the transverse direction and the vertical direction, and one side of each transverse through hole and one side of each vertical through hole are respectively provided with a fixing through hole.

In one embodiment of the present invention, the lateral adjustment beam and the vertical adjustment beam are fixed by using a fixing through hole, a fixing bolt.

In one embodiment of the present invention, the pair of rollers and the adjusting roller are both circular ceramic plates.

In one embodiment of the present invention, the driving device further includes: the motor support is arranged between the two rotor supporting devices, and the driving motor is fixed at one end of the side surface of the motor support; the sliding rail is arranged on one side of the fixed base plate and is parallel to the first sliding groove, the sliding seat is connected with the motor support, one end of the motor support is connected with the sliding rail in a sliding mode through the sliding seat, and the other end of the motor support is connected to the fixed base plate in a sliding mode.

In one embodiment of the present invention, further comprising a third locking member, the third locking member comprising: the other end of the motor support slides on the fixed substrate through the locking block, and the third locking screw is rotated through the third locking handle to enable the locking block to be fixed on the fixed substrate.

In one embodiment of the present invention, the motor bracket includes: the first connecting plate, the second connecting plate, the first fixed wheel, the second fixed wheel, the first adjusting groove, the second adjusting groove, the third adjusting groove, and the first adjusting wheel, the second adjusting wheel and the third adjusting wheel which are respectively arranged in the first adjusting groove, the second adjusting groove and the third adjusting groove; after the rotor balancing machine is provided with a fixed rotor, the first adjusting groove and the second adjusting groove are respectively positioned on the motor supports on the left side and the right side below the rotor rotating shaft, and the third adjusting groove and the first fixed wheel are respectively positioned on the motor supports on the left side and the right side above the rotor rotating shaft; the second fixed wheel is positioned between the second adjusting groove and the first fixed wheel and positioned on the motor support on one side of the driving motor, and the first adjusting wheel, the second adjusting wheel and the third adjusting wheel are respectively connected with the motor support in a sliding mode through the three adjusting grooves.

In one embodiment of the present invention, the support frame is further provided with a vibration sensor, and vibration generated by the rotor is transmitted to the support frame through the support seat so as to be measured by the vibration sensor.

In an embodiment of the present invention, the side of the fixed substrate is provided with a horizontal scale, and the bottom end of the supporting frame is provided with a pointer pointing to the horizontal scale.

[ advantageous effects ]

The driving device, the rotor supporting device and the limiting mechanism are adjustable along the position on the fixed base plate respectively and are of independent structures, so that the balancing machine is simple in structure and can adapt to rotors of different models; in addition, the invention supports and limits the rotor through the roller, thereby reducing the abrasion of the rotor in the rotating process, improving the detection precision and prolonging the service life.

Drawings

Fig. 1 is a schematic view of the entire structure of a rotor balancer in embodiment 1.

Fig. 2 is a schematic view of the overall structure of the rotor balancer of embodiment 1 in a first viewing angle with the fixing base removed.

Fig. 3 is a schematic view of the rotor balancer of embodiment 1 with the fixing base removed from the overall structure at a second viewing angle.

Fig. 4 is a first perspective structural diagram of the driving apparatus of embodiment 1.

Fig. 5 is a second perspective structural diagram of the driving device of embodiment 1.

Fig. 6 is a first perspective structural view of the supporting device of embodiment 1.

Fig. 7 is a second perspective structural view of the supporting device of embodiment 1.

Fig. 8 is a schematic structural view of a roller adjustment frame in embodiment 1.

Fig. 9 is a schematic view of the connection of the second end of the embodiment 1 with the second vertical beam.

Fig. 10 is a schematic view showing the attachment of the second locker of embodiment 1.

Fig. 11 is a structural view of a second locker of embodiment 1.

FIG. 12 is an exploded perspective view of the fourth locking member according to embodiment 1.

FIG. 13 is a schematic view showing the connection of the rotating shaft of the rotor and the motor conveyer in example 1.

In the figure: 1. a fixed base; 2. fixing the substrate; 3. a drive device; 4. a rotor support means; 5. a first end; 6. a second end; 7. a third end; 8. a limiting mechanism;

101. a first chute; 301. a slide rail; 302. a motor bracket; 303. a drive motor; 304. a third locking member; 305. a slide base;

401. a support frame; 4011. a cross beam; 4021. adjusting the sliding seat; 40211. a first adjustment slot; 4022. an adjusting plate; 4023. a pair of rollers;

403. a first slider; 405. a support slide; 406. an adjustment mechanism; 4061. a top block; 4062. a flange; 4063. adjusting the screw rod; 407. a first locking member; 408. a second locking member; 4081. a second locking handle; 4082. a second slider; 4083. a second locking screw; 4084. a first fixed column; 40841. a first concave surface; 409. adjusting the roller device; 4091. a roller connecting frame; 4092. a pinch roller; 4093. a roller adjusting frame; 40931. a second adjustment slot; 501. rotating the fixed block; 502. a rotation pin; 503. tightly pushing the screw; 504. rotating the bracket; 505. a triangular bevel; 601. a horizontal end face; 602. a vertical end face; 603. a bevel chute; 701. a vertical locking lever; 702. a transverse locking bar; 703. a first inclined slider; 704. a second inclined slide block; 705. a bevel projection; 706. a bevel groove; 801. limiting the idler wheel; 802. a limiting frame; 803. connecting blocks; 804. a transverse adjusting beam; 805. a vertical adjusting beam;

901. a first connecting plate; 902. a second connecting plate; 903. a first fixed wheel; 904. a second fixed wheel; 905. a first regulating groove; 906. a second regulating groove; 907. a third regulating groove; 908. a first regulating wheel; 909. a second regulating wheel; 910. a third regulating wheel; 10. a fourth locking member; 1001. a third chute; 1002. a connecting bayonet; 1003. a fourth locking handle; 1004. a second fixed column; 1005. a fourth locking screw; 1006. a second concave surface; 11. a vibration sensor; 12. a motor conveyor belt; 13. the rotor rotates the shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, the present embodiment provides a motor rotor balancing machine, including: the device comprises a fixed base 1, wherein a fixed base plate 2, a driving device 3, a rotor supporting device 4 and a limiting mechanism 8 are arranged on the fixed base 1;

as shown in fig. 2 and 6, a first sliding groove 101 is provided on the fixed substrate 2, and two rotor supporting devices 4 are provided, including: the device comprises a support frame 401, a support seat, a first slide block 403, a support slide seat 405, an adjusting mechanism 406, a first locking member 407, a second locking member 408 and an adjusting roller device 409; the first sliding block 403 is disposed in the first sliding groove 101, and the supporting frame 401 slides in the first sliding groove 101 through the first sliding block 403.

The bottom of the support frame 401 is connected with a support sliding seat 405, the support sliding seat 405 is connected with the first sliding block 403 through a first locking member 407, and the first locking member 407 comprises: the first locking handle and the first locking screw rod are connected to the first locking handle, and the first locking screw rod is connected with the first sliding block 403; the first locking handle is screwed or loosened, so that the first locking screw rod rotates, the first sliding block 403 is fixed or loosened in the sliding groove, and the support frame 401 is fixed or loosened.

Referring to fig. 6-7, the supporting seat is disposed on the supporting frame 401, and the supporting seat includes: the adjustable support comprises an adjusting slide seat 4021, an adjusting plate 4022 vertically and slidably connected into the adjusting slide seat 4021, and a pair of rollers 4023 fixed on the adjusting plate 4022, wherein two ends of the adjusting plate 4022 are slidably connected into the adjusting slide seat 4021 through a second locking member 408, the adjusting slide seat 4021 is composed of two vertical beams, namely a first vertical beam and a second vertical beam, a first adjusting slot 40211 is arranged in each of the two vertical beams, the support 401 comprises a cross beam 4011, the cross beam 4011 is arranged on a support 401 below a support seat, and the bottom end of the adjusting plate 4022 is connected onto the cross beam 4011 through an adjusting mechanism 406; the pair of rollers 4023 can rotate around the rotating shafts of the rollers, when the testing device is used, the end parts of the rotors are placed between the pair of rollers 4023, the rollers form supports for the rotors, when the rotors rotate, rolling friction is formed between the rotors and the rollers, and loss of the supporting structures and the rotors in the testing process is reduced.

Referring to fig. 10-11, the second locking member 408 includes: a second locking handle 4081, a second sliding block 4082, a second locking screw 4083 and a first fixing column 4084; the first fixing column 4084 is a cylindrical structure, and two ends of the side surface of the first fixing column 4084 are provided with first concave planes 40841 which abut against two end surfaces of the inner side of the first adjusting notch 40211; the second sliding block 4082 is arranged in the first adjusting slot 40211, and the second locking screw 4083 passes through the second sliding block 4082 and is in threaded connection with the first fixing column 4084.

Referring to fig. 6, the adjustment mechanism 406 includes: top piece 4061, flange 4062, adjusting screw 4063, top piece 4061 is connected with regulating plate 4022, and top piece 4061 below is flange 4062, and flange 4062 is fixed in on the crossbeam 4011 up end, adjusting screw 4063 passes crossbeam 4011 and is connected with top piece 4061.

Referring to fig. 6-8, the adjustment roller device 409 includes: the roller connecting frame 4091, a pressing wheel 4092 fixed on the roller connecting frame 4091 and a roller adjusting frame 4093; the roller adjusting frame 4093 is of a herringbone structure, and the triangular structure comprises a first end 5, a second end 6 and a third end 7; the first end 5 and the second end 6 are respectively connected with the first vertical beam and the second vertical beam, the roller connecting frame 4091 is connected with the third end 7, the roller connecting frame 4091 is provided with a second adjusting slot 40931, and the position of the roller connecting frame 4091 on the third end 7 is adjusted by adjusting the slot.

Referring to fig. 7-8, the first end 5 is rotatably connected to the first vertical beam, a rotary fixing block 501, a rotary pin 502 and a tightening screw 503 are disposed between the first end 5 and the first vertical beam, the rotary fixing block 501 is fixed to one end of the first vertical beam, and the first end 5 includes: the rotating support 504 and the rotating fixing block 501 are connected through a rotating pin 502, the tightening screw 503 penetrates through the triangular inclined surface 505 and is positioned on one side of the rotating pin 502, and the first end 5 is prevented from rotating through downward adjustment of the tightening screw 503.

Referring to fig. 7-9, the second end 6 is slidably connected to the second vertical beam, a sliding adjusting mechanism 406 is disposed between the second end 6 and the second vertical beam, and the second end 6 includes: horizontal terminal surface 601, vertical terminal surface 602, inclined plane spout 603, slide adjusting mechanism 406 includes: the locking device comprises a vertical locking rod 701, a transverse locking rod 702, a first inclined slider 703 and a second inclined slider 704; the first inclined sliding block 703 is fixed at one end of the second vertical beam, the second inclined sliding block 704 is fixed in the inclined sliding groove 603, the first inclined sliding block 703 is provided with an inclined plane convex block 705, and the second inclined sliding block 704 is provided with an inclined plane groove 706 matched with the inclined plane convex block 705; the vertical locking rod 701 is provided with a thread structure which penetrates through the horizontal end surface 601 to abut against the top end of the second inclined slider 704, and the transverse locking rod 702 is provided with a thread structure which penetrates through the vertical end surface 602 and the second inclined slider 704 in sequence to abut against the vertical locking rod 701; through the structure, the inclined surface convex block 705 is matched with the inclined surface groove 706 to press the transverse locking rod 702 downwards, and then the vertical locking rod 701 is used for locking, so that the roller adjusting frame 4093 is vertically moved, and the pressing wheel 4092 presses the rotor.

The pressing wheel 4092 is matched with the pair of rollers 4023 to limit the position of the rotor, so that the rotor is prevented from jumping in work, and meanwhile, the height of the pressing wheel 4092 is adjustable, so that the pressing wheel can adapt to rotors of different models, and the application range of the balancing machine is improved.

Referring to fig. 3, the limiting mechanism 8 includes; the device comprises a limiting roller 801, a limiting frame 802, a connecting block 803, a transverse adjusting beam 804 and a vertical adjusting beam 805, wherein the transverse adjusting beam 804 is connected with a supporting seat 402, and the vertical adjusting beam 805 is connected with the transverse adjusting beam 804 through the connecting block 803; the limiting frame 802 is fixed on the vertical adjusting beam 805, the limiting idler wheel 801 is fixed on the limiting frame 802, the limiting idler wheel 801 is located on a symmetrical plane of the pair of idler wheels 4023, and the symmetrical plane is a symmetrical longitudinal plane in the middle of the two idler wheels (the direction of the first sliding groove 101 is longitudinal); a transverse through hole and a vertical through hole for the transverse adjusting beam 804 and the vertical adjusting beam 805 to pass through are respectively arranged on the connecting block 803 in the transverse direction and the vertical direction, and fixing through holes are respectively arranged on one sides of the transverse through hole and the vertical through hole and are used for fixing the transverse adjusting beam 804 and the vertical adjusting beam 805 by using fixing bolts; the limiting rollers 801 are positioned at two ends of the rotor, and limit the transverse displacement of the rotor in the rotating process.

Referring to fig. 2 and 5, the driving device 3 includes: the rotor support device comprises a sliding rail 301, a motor support 302, a driving motor 303, a third locking member 304 and a sliding seat 305, wherein the motor support 302 is arranged between two rotor support devices 4, and the driving motor 303 is fixed at one end of the motor support 302; slide rail 301 locates one side of fixed baseplate 2 and parallels with first spout 101, the slide 305 is connected with motor support 302, slide 305 sliding connection is passed through in slide rail 301 in motor support 302 one end, and motor support 302's the other end passes through third retaining member 304 and connects on fixed baseplate 2, third retaining member 304 includes: third locking handle, third locking screw, latch segment rotate third locking screw through third locking handle and make the latch segment be fixed in on fixed baseplate 2.

The motor bracket 302 described with reference to fig. 4 and 12 includes: a first connecting plate 901, a second connecting plate 902, a first fixed wheel 903, a second fixed wheel 904, a first adjusting groove 905, a second adjusting groove 906, a third adjusting groove 907, a first adjusting wheel 908, a second adjusting wheel 909 and a third adjusting wheel 910 which are respectively arranged in the first adjusting groove 905, the second adjusting groove 906 and the third adjusting groove 907; the first connecting plate 901 is in an Jiong structure, the second connecting plate 902 is provided with a motor mounting structure, one end of the first connecting plate 901 is connected with one end of the second connecting plate 902 through a bolt, and the other end of the first connecting plate 901 is connected with the other end of the second connecting plate 902 through a fourth locking piece 10; be equipped with third spout 1001 on the other end of second connecting plate 902, be equipped with on the other end of first connecting plate 901 and connect bayonet socket 1002, fourth retaining member 10 includes: the locking device comprises a fourth locking handle 1003, a second fixing column 1004 and a fourth locking screw 1005, wherein the second fixing column 1004 is of a cylindrical structure, and second concave planes 1006 which are abutted against two end faces of the third sliding groove 1001 are arranged at two ends of the side face of the second fixing column 104; the fourth locking screw 1005 is in threaded connection with the second fixing column 1004.

As shown in fig. 13, in this embodiment, after the rotor balancer mounts and fixes the rotor, the first adjusting slot 905 and the second adjusting slot 906 are respectively located on the left and right motor supports 302 below the rotor rotating shaft 13, and the third adjusting slot 907 is located on the left and right motor supports 302 above the rotor rotating shaft, and the first fixing wheel 903 is respectively located on the left and right motor supports 302; the second fixed wheel 904 is located between the second adjusting groove 906 and the first fixed wheel 903 and located on the motor support 302 on one side of the driving motor 303, the first adjusting wheel 908, the second adjusting wheel 909 and the third adjusting wheel 910 are respectively in sliding connection with the motor support 302 through three adjusting grooves, the distance between the three adjusting wheels is convenient to adjust, the contact angle between the motor transmission belt 12 and the rotor rotating shaft 13 is ensured to be appropriate, the friction force between the motor transmission belt and the rotor rotating shaft 13 is sufficient, and after the positions of the three adjusting wheels are determined, the three adjusting wheels and the motor support 302 are adjusted and fixed through a threaded wrench.

Further, a vibration sensor 11 is further disposed on the support frame 401, and vibration generated by the rotor is transmitted to the support frame 401 through the support base 402, so that the vibration sensor measures 11.

In this embodiment, in order to ensure the accuracy of the distance adjustment, the side of the fixed substrate 2 is provided with horizontal scales, the bottom end of the support frame 401 is provided with a pointer pointing to the horizontal scales, the position of the driving device 3 is fixed by the third locking member 304, and then the distance between each part is suitable for the corresponding rotor by adjusting the positions of the two supporting devices, and after the positions of the two supporting devices are adjusted, the supporting devices and the fixed substrate 2 are fixed by the first locking member 407, so as to prevent the position of the rotor supporting device 4 from being changed during the detection, which affects the detection result.

The scope of the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. that can be made by those skilled in the art within the spirit and principle of the inventive concept should be included in the scope of the present invention.

Claims

1. An electric machine rotor balancing machine, comprising: the device comprises a fixed base, a rotor support device and a limiting mechanism, wherein the fixed base is provided with a fixed base plate, a driving device, the rotor support device and the limiting mechanism;

the fixed substrate is provided with a first sliding chute;

the two rotor supporting devices are respectively connected in the first sliding chute in a sliding manner;

the rotor supporting device includes: the supporting seat is arranged on the supporting frame, the adjusting plate is connected to the supporting seat in an up-and-down sliding mode, and the pair of rollers are fixed on the adjusting plate;

the adjustment roller device includes: the roller connecting frame and the pinch roller; the roller connecting frame is connected to the supporting seat, the pinch roller is fixed on the roller connecting frame and positioned above the pair of rollers, and the pinch roller can move up and down along the roller connecting frame;

the driving device includes: the motor support is arranged between the two rotor supporting devices, and the driving motor is fixed at one end of the side surface of the motor support; the motor bracket is connected on the fixed base plate in a parallel sliding manner, and the sliding direction of the motor bracket is parallel to the first sliding chute;

stop gear has two, and every stop gear is located one side of every rotor strutting arrangement respectively, and stop gear includes: the limiting idler wheels are positioned on the symmetrical longitudinal surfaces of the pair of idler wheels and transversely and vertically move on the symmetrical longitudinal surfaces;

the supporting seat includes: the adjusting device comprises an adjusting slide seat, an adjusting plate and a pair of idler wheels, wherein the adjusting plate is connected into the adjusting slide seat in an up-and-down sliding mode, the idler wheels are fixed on the adjusting plate, two ends of the adjusting plate are connected into the adjusting slide seat in a sliding mode through second locking pieces, the adjusting slide seat is composed of two vertical beams which are respectively a first vertical beam and a second vertical beam, first adjusting grooves are formed in the two vertical beams, the supporting frame comprises a cross beam, the cross beam is arranged on the supporting frame below the supporting seat, and the bottom end of the adjusting plate is connected onto the cross beam through an adjusting mechanism; the pair of rollers can rotate around the rotating shaft of each roller in the pair of rollers;

the adjustment roller device includes: the roller connecting frame, the pinch roller fixed on the roller connecting frame and the roller adjusting frame; the roller adjusting frame is of a herringbone structure, and the herringbone structure comprises a first end, a second end and a third end; the first end and the second end are respectively connected with the first vertical beam and the second vertical beam, the roller connecting frame is connected to the third end, a second adjusting slot is formed in the roller connecting frame, and the position of the roller connecting frame on the third end is adjusted through the adjusting slot;

first end rotates to be connected on first perpendicular roof beam, is equipped with between first end and the first perpendicular roof beam and rotates fixed block, rotating pin, the tight screw rod in top, rotates the one end that the fixed block is fixed in first perpendicular roof beam, first end includes: the rotating support is connected with the rotating fixing block through a rotating pin, the jacking screw penetrates through the triangular inclined plane and is positioned on one side of the rotating pin, and the first end is prevented from rotating through downward adjustment of the jacking screw;

second end sliding connection erects the roof beam in the second on, is equipped with slide adjusting mechanism between second end and the second perpendicular roof beam, the second end includes: horizontal terminal surface, vertical terminal surface, inclined plane spout, slide adjusting mechanism includes: the locking device comprises a vertical locking rod, a transverse locking rod, a first inclined slide block and a second inclined slide block; the first inclined sliding block is fixed at one end of the second vertical beam, the second inclined sliding block is fixed in the inclined plane sliding groove, an inclined plane convex block is arranged on the first inclined sliding block, and an inclined plane groove matched with the inclined plane convex block is arranged on the second inclined sliding block; the vertical locking rod is provided with a thread structure, the thread structure penetrates through the horizontal end face to abut against the top end of the second inclined sliding block, and the thread structure penetrates through the vertical end face and the second inclined sliding block in sequence to abut against the vertical locking rod.

2. The motor rotor balancing machine of claim 1, further comprising a first locking member, a first sliding block, wherein the first sliding block is disposed in the first sliding groove, and the support frame slides in the first sliding groove through the first sliding block; the first locking member includes: first locking handle, first locking screw, the bottom joint support slide of support frame supports the slide and is connected through first retaining member with first slider, first locking screw connects on first locking handle, and first locking screw is connected with first slider.

3. The electric machine rotor balancing machine of claim 1, wherein the limiting mechanism further comprises: the support comprises a limiting frame, a connecting block, a transverse adjusting beam and a vertical adjusting beam, wherein the transverse adjusting beam is connected with the support seat, and the vertical adjusting beam is connected with the transverse adjusting beam through the connecting block; the limiting frame is fixed on the vertical adjusting beam, and the limiting idler wheel is fixed on the limiting frame; the connecting block transversely is equipped with the horizontal through-hole that is used for the horizontal adjustment roof beam to pass, the vertical through-hole that is used for vertical adjustment roof beam to pass that is equipped with of connecting block, horizontal through-hole and vertical through-hole are equipped with fixed through-hole respectively in their one side.

4. The electric motor rotor balancer of claim 3, wherein the lateral adjustment beam and the vertical adjustment beam are fixed by using fixing through holes and fixing bolts.

5. The electric motor rotor balancer of claim 1, wherein the pair of rollers and the spacing roller are circular ceramic plates.

6. The electric machine rotor balancing machine of claim 1, wherein the drive means further comprises: the motor support is arranged between the two rotor supporting devices, and the driving motor is fixed at one end of the side surface of the motor support; the sliding rail is arranged on one side of the fixed base plate and is parallel to the first sliding groove, the driving sliding seat is connected with the motor support, one end of the motor support is connected with the sliding rail in a sliding mode through the driving sliding seat, and the other end of the motor support is connected to the fixed base plate in a sliding mode.

7. The electric machine rotor balancer of claim 6, further comprising a third lock, the third lock comprising: the other end of the motor support slides on the fixed substrate through the locking block, and the third locking screw is rotated through the third locking handle to enable the locking block to be fixed on the fixed substrate.

8. The motor rotor balancer of claim 6 or 7, wherein the motor mount includes: the first connecting plate, the second connecting plate, the first fixed wheel, the second fixed wheel, the first adjusting groove, the second adjusting groove, the third adjusting groove, and the first adjusting wheel, the second adjusting wheel and the third adjusting wheel which are respectively arranged in the first adjusting groove, the second adjusting groove and the third adjusting groove; after the rotor balancing machine is used for installing and fixing a rotor, the first adjusting groove is positioned on the motor support on the left side below the rotor rotating shaft, the second adjusting groove is positioned on the motor support on the right side below the rotor rotating shaft, the third adjusting groove is positioned on the motor support on the left side above the rotor rotating shaft, and the first fixed wheel is positioned on the motor support on the right side above the rotor rotating shaft; the second fixed wheel is positioned between the second adjusting groove and the first fixed wheel and positioned on the motor support on one side of the driving motor, and the first adjusting wheel, the second adjusting wheel and the third adjusting wheel are respectively connected with the motor support in a sliding mode through the three adjusting grooves.

9. The electric motor rotor balancer as claimed in claim 1, wherein the support frame further includes a vibration sensor, and vibration generated by the rotor is transmitted to the support frame through the support base to be measured by the vibration sensor.

10. The motor rotor balancer as claimed in claim 1, wherein the fixing base has a horizontal scale on a side thereof, and the supporting frame has a pointer pointing to the horizontal scale at a bottom thereof.