Dynamic balance detection tool for motor rotor

Abstract

The utility model relates to the technical field of rotary body dynamic balance testing devices, and discloses a motor rotor dynamic balance detection tool, which comprises a rack, conduction plates and a motor box, one ends, far away from each other, of the plurality of conduction plates are fixedly connected with adjusting boxes, the top of each adjusting box is fixedly connected with a box cover, the top of each box cover is provided with a T-shaped groove, and the T-shaped groove is fixedly connected with the motor box. A connecting rod is slidably connected to the inner wall of the T-shaped groove, a pushing handle is fixedly connected to the top end of the connecting rod, a metal plate is fixedly connected to the bottom end of the connecting rod, and threaded rods are in threaded connection with the ends, away from each other, of the multiple adjusting boxes. The metal plates are inserted into the T-shaped grooves, the handles are pushed to the limit in the groove direction after insertion, the number of the metal plates is flexibly adjusted according to the rigidity requirement, after placement is completed, the rotating valves on the screw rods on one side of the adjusting box are twisted, the threaded rods are driven to enable the pressing and fixing plates to extrude the metal plates, and custom adjustment of the rigidity of the tool is achieved. Operation is simple, and rapid maintenance can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary body dynamic balance testing device technical field especially relates to a motor rotor dynamic balance detection frock. BACKGROUND

[0002] Rotor is the key component of rotary machinery, and the device realizes energy conversion and material conveying by high-speed rotation, and the performance influences equipment operation efficiency and stability, and the centrifugal force is caused by uneven mass distribution when the rotor rotates at high speed, and vibration and failure are caused, so it is particularly important to test its stability before use, and the dynamic balancing machine is the key equipment for detecting and correcting the unbalance of the rotor and ensuring stable operation, the traditional dynamic balancing machine transmits the force to the sensor through the high-rigidity supporting structure, the sensor converts the force signal into the electric signal, and then the electric signal is processed and amplified, the size and position of the unbalance are calculated according to the statics principle, and then the mass to be applied or removed on the rotor correction plane is determined, and the rigidity of the hard support is usually fixed, and it is difficult to flexibly adjust according to the characteristics of different rotors and balance requirements.

[0003] The existing solution is to install a sensor to monitor the vibration state and unbalance of the rotor in real time, feed back the data to the control system, calculate the required rigidity adjustment amount according to the preset algorithm, and then adjust the rigidity of the supporting system in real time through the actuator, but in actual use, the above-mentioned device is complex in structure and control system, increases the probability of failure, and brings difficulties to maintenance and debugging, and therefore a motor rotor dynamic balance detection frock is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a motor rotor dynamic balance detection frock, which aims at improving the problem that the rigidity adjusting mechanism in the prior art is difficult to maintain and use.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a motor rotor dynamic balance detection frock, including frame, conducting board and motor box, the far apart one end of a plurality of conducting board is fixedly connected with adjusting box, the top of adjusting box is fixedly connected with box cover, the top of box cover is equipped with T type groove, the inner wall of T type groove is connected with connecting rod slidingly, the top of connecting rod is fixedly connected with push handle, the bottom of connecting rod is fixedly connected with metal sheet, the far apart one end of a plurality of adjusting box is all screw -threaded with threaded rod, the far apart one end of a plurality of threaded rod is all fixedly connected with rotating valve, the adjacent one end of a plurality of threaded rod is all rotatably connected with rotating block, the adjacent one end of a plurality of rotating block is all fixedly connected with press solid plate, the adjacent side of a plurality of press solid plate is all fixedly connected with friction pad, the bottom four corners of frame are all fixedly connected with vibration isolation mechanism, and the vibration isolation mechanism is used to absorb and isolate the vibration from the ground, reduces the influence of vibration to frock.

[0006] As a further description of the above technical solution:

[0007] The vibration isolation mechanism includes a plurality of outer rods, a plurality of outer rods are fixedly connected to the bottom four corners of the frame, the inner wall of a plurality of outer rods is slidably connected with an inner rod, the bottom of the inner rod is fixedly connected with a rubber pad, the top end of the inner rod is fixedly connected with a clamping plate, the inner wall top of a plurality of outer rods is fixedly connected with a spring, the inner wall of a plurality of outer rods is fixedly connected with a reinforcing rib around, the inner wall bottom of a plurality of outer rods is fixedly connected with a sealing ring, the outer wall of a plurality of reinforcing ribs is fixedly connected with a sound insulation layer, the inner wall of the sound insulation layer is fixedly connected with a drying layer, the inner rod is fixedly connected with a plurality of reinforcing ribs, and the outer wall of a plurality of reinforcing ribs is fixedly connected with a wear-resistant layer.

[0008] As a further description of the above technical solution:

[0009] The top of the frame is provided with a plurality of sliding grooves, and the top of a plurality of sliding grooves is slidably connected with a convex strip.

[0010] As a further description of the above technical solution:

[0011] The adjacent end of a plurality of conducting boards is slidably connected with a horizontal plate, and the bottom of the horizontal plate is fixedly connected with a telescopic rod.

[0012] As a further description of the above technical solution:

[0013] The top of the conducting plate is fixedly connected with a reinforcing frame, the outer wall of the reinforcing frame is connected with a fixed button, the outer wall top of the reinforcing frame is slidably connected with a vertical plate, and the outer wall of the vertical plate is provided with a plurality of limiting holes.

[0014] As a further description of the above technical solution:

[0015] The top of the vertical plate is fixedly connected with a handle, and the outer wall of the handle is fixedly connected with a silica gel pad.

[0016] As a further description of the above technical solution:

[0017] The front middle upper part of the motor box is fixedly connected with a display screen, and the front middle lower part of the motor box is fixedly connected with a controller.

[0018] As a further description of the above technical solution:

[0019] The right side of the motor box is fixedly connected with a shaft coupling, and the controller is electrically connected with the shaft coupling, the display screen, the telescopic rod and the motor box.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 the utility model discloses, according to the actual situation of rotor both ends axle body operation, first insert the metal sheet into T -shaped slot, push the handle to limit after pushing along the slot direction, according to rigid demand flexible adjustment metal sheet quantity, complete the placement, twist the rotating valve on the screw rod of adjustment box one side, drive the threaded rod and make the compression solid plate extrude the metal sheet, realize frock rigidity self -defined adjustment, simple operation and can realize quick maintenance.

[0022] 2、 the utility model discloses, in order to prevent ground vibration interference test result, specially set up vibration isolation mechanism, when ground vibration, spring in the mechanism pushes in the inner rod and consumes vibration by tension, the mechanism adopts multilayer structure, considering vibration isolation operation frequently, for prolonging its life, the reinforcing rib is built -in in outer rod and inner rod and enhances the intensity, and the outer rod also is equipped with drying and sound -absorbing layer. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A kind of motor rotor dynamic balance detection frock's perspective view is proposed for the utility model;

[0024] Figure 2 A kind of motor rotor dynamic balance detection frock's side view is proposed for the utility model;

[0025] Figure 3 A kind of adjustment box of motor rotor dynamic balance detection frock of the utility model is proposed for the split view;

[0026] Figure 4 A kind of vibration isolation mechanism of motor rotor dynamic balance detection frock of the utility model is proposed for the sectional view;

[0027] Figure 5 A kind of motor rotor dynamic balance detection frock of the utility model is proposed for the split view.

[0028] LEGEND:

[0029] 1, rack; 2, vibration isolation mechanism; 201, sound insulation layer; 202, drying layer; 203, reinforcing rib; 204, wear-resistant layer; 205, rubber pad; 206, sealing ring; 207, spring; 208, clamping plate; 209, outer rod; 210, inner rod; 3, display screen; 4, controller; 5, sliding groove; 6, cross plate; 7, telescopic rod; 8, adjusting box; 9, vertical plate; 10, fixing knob; 11, handle; 12, silica gel pad; 13, convex strip; 14, reinforcing frame; 15, limiting hole; 16, motor box; 17, shaft coupling; 18, rotating valve; 19, pushing handle; 20, connecting rod; 21, box cover; 22, metal plate; 23, friction pad; 24, threaded rod; 25, rotating block; 26, pressing plate; 27, T-shaped groove; 28, conducting plate. DETAILED DESCRIPTION

[0030] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a motor rotor dynamic balance detection frock, including frame 1, conducting plate 28 and motor box 16, frame 1 provides support and installation foundation for other parts in mechanical system, guarantees the relative position accuracy between each part, bears various force and moment in the mechanical operation process, and plays the role of fixing and stabilizing whole mechanical structure, motor box 16 is used to place motor and relevant electric drive equipment, the far apart one end of multiple conducting plate 28 is fixedly connected with adjusting box 8, and conducting plate 28 is used to conduct the vibration produced when rotor rotates, and the top of adjusting box 8 is fixedly connected with box cover 21, and box cover 21 is convenient for later stage cleaning dust of adjusting box 8, and adjusting box 8 is used to place the rigidity object of adjusting frock, and the top of box cover 21 is provided with T type groove 27, and T type groove 27 is the slide of the rigidity object of adjusting device put in and take out, and the inner wall of T type groove 27 is slidably connected with connecting rod 20, and the top of connecting rod 20 is fixedly connected with push handle 19, and the bottom of connecting rod 20 is fixedly connected with metal plate 22, and connecting rod 20 is used to connect metal plate 22 with push handle 19, and the effect of push handle 19 is convenient for metal plate 22 sliding into adjusting box 8, and metal plate 22 is used to adjust the rigidity of frock, and the far apart one end of multiple adjusting box 8 is screwly connected with threaded rod 24, and threaded rod 24 converts rotary motion into linear motion through the screw structure of itself, and the far apart one end of multiple threaded rod 24 is fixedly connected with rotary valve 18, and rotary valve 18 is convenient for threaded rod 24, and rotates multiple threaded rod 24 adjacent one end is rotatably connected with rotary block 25, and rotary block 25 cooperates threaded rod 24 to complete inner push, and the adjacent one end of multiple rotary block 25 is fixedly connected with pressure solid plate 26, and the effect of pressure solid plate 26 is to press metal plate 22, avoids the vibration in the inside of metal plate 22 to influence test result, and the adjacent side of multiple pressure solid plate 26 is fixedly connected with friction pad 23, and friction pad 23 is used to increase the friction between metal plate 22 and pressure solid plate 26, and the bottom four corners of frame 1 are fixedly connected with vibration isolation mechanism 2, and vibration isolation mechanism 2 is used to absorb and isolate vibration from ground, reduces the influence of vibration on frock;

[0032] Specifically, the rack 1 serves as a base support, providing a stable support and mounting platform for the remaining components in the mechanical system, ensuring that the relative positions between components are maintained accurately, while also bearing various forces and moments generated during mechanical operation, effectively fixing and stabilizing the entire mechanical structure. The motor box 16 is specifically used to house the motor and related electrical drive equipment, providing power support for mechanical operation. The multiple conducting plates 28 are fixedly connected to the adjustment box 8 at one end, and their function is to conduct the vibrations generated during rotation of the rotor. The adjustment box 8 is provided with a box cover 21 at the top, facilitating later cleaning of dust inside the box. The adjustment box 8 is used to place objects that adjust the rigidity of the tooling, and the T-shaped groove 27 opened at the top of the box cover 21 serves as a slide for putting in and taking out such objects. The T-shaped groove 27 is slidably connected with the connecting rod 20, the top end of the connecting rod 20 is connected with the pushing handle 19, and the bottom end is connected with the metal plate 22. By pushing the handle 19, the metal plate 22 can be slid into the adjustment box 8 through the T-shaped groove 27, thereby adjusting the rigidity of the tooling. The ends of the multiple adjustment boxes 8 away from the conducting plates 28 are all threadedly connected with threaded rods 24. The threaded rods 24 convert rotational motion into linear motion using a threaded structure. The ends of the threaded rods 24 away from the adjustment boxes 8 are connected with the rotating valves 18, facilitating rotation of the threaded rods 24. The adjacent ends of the threaded rods 24 are rotatably connected with the rotating blocks 25, completing the inward pushing action. The adjacent ends of the rotating blocks 25 are connected with the pressing plates 26, which press the metal plates 22 to prevent internal vibrations from affecting test results. The side of the pressing plates 26 in contact with the metal plates 22 is also fixed with a friction pad 23 to increase the friction between them. In addition, the rack 1 is fixedly connected with the vibration isolation mechanism 2 at the bottom of each corner. This mechanism can effectively absorb and isolate vibrations from the ground, reducing their adverse effects on the tooling and ensuring stable operation of the entire mechanical structure, thereby ensuring the accuracy of test results.

[0033] Referring to Figure 1 , Figure 2 and Figure 4The vibration isolation mechanism 2 includes a plurality of outer rods 209, which are used as a containing carrier of the internal structure of the vibration isolation mechanism 2, and are fixedly connected to the bottom corners of the rack 1. The inner walls of the plurality of outer rods 209 are slidably connected with inner rods 210, which are direct media for vibration isolation. The bottom of the inner rod 210 is fixedly connected with a rubber pad 205, which is used to further block the influence of ground vibration on the test results. The top end of the inner rod 210 is fixedly connected with a clamping plate 208, which is used to limit the displacement of the inner rod 210. The inner walls of the plurality of outer rods 209 are fixedly connected with springs 207 at the top, which are used to provide elastic potential energy, play a role in buffering, resetting and applying elastic force to assist movement. The inner walls of the plurality of outer rods 209 are fixedly connected with reinforcing ribs 203 around the periphery, which improve the toughness of the rod wall and prolong the service life. The inner walls of the plurality of outer rods 209 are fixedly connected with sealing rings 206 at the bottom, which are used to prevent water vapor or foreign matter from entering the inner wall of the outer rod 209. The outer walls of the plurality of reinforcing ribs 203 are fixedly connected with sound insulation layers 201, which are used to eliminate the noise generated when the vibration isolation mechanism 2 is operating. The inner walls of the sound insulation layers 201 are fixedly connected with drying layers 202, which are used to dry the surface of the outer rod 209 and delay the service life. The inner part of the inner rod 210 is fixedly connected with a plurality of reinforcing ribs 203, and the outer walls of the plurality of reinforcing ribs 203 are fixedly connected with wear-resistant layers 204, which are used to improve the health cycle of the inner rod 210 when repeatedly rubbing in the outer rod 209.

[0034] Specifically, the vibration isolation mechanism 2 is crucial to ensure the accuracy of the test. The outer rod 209 and the inner rod 210 work together to achieve efficient vibration isolation. The outer rod 209, as a containing carrier of the internal structure of the vibration isolation mechanism 2, is fixed to the bottom corners of the rack 1, and its inner wall is slidably connected with the inner rod 210. The rubber pad 205 at the bottom of the inner rod 210 further blocks the interference of ground vibration on the test results and is a direct medium for vibration isolation. The clamping plate 208 at the top end of the inner rod 210 effectively limits the displacement of the inner rod 210. The spring 207 at the top of the inner wall of the outer rod 209 provides elastic potential energy and plays a role in buffering, resetting and supporting. The outer rod 209 is designed comprehensively in structure and protection. The reinforcing ribs 203 around the inner wall enhance the toughness of the rod wall and prolong the service life. The sealing ring 206 at the bottom of the inner wall prevents water vapor and foreign matter from entering. The sound insulation layer 201 of the outer wall of the reinforcing rib 203 eliminates the operating noise of the vibration isolation mechanism 2. The drying layer 202 of the inner wall of the sound insulation layer 201 keeps the surface of the outer rod 209 dry and delays aging. The inner rod 210 also focuses on strengthening. The reinforcing ribs 203 inside enhance the strength of the inner rod 210. The wear-resistant layer 204 on the outer wall improves the durability of the inner rod 210 when repeatedly rubbing in the outer rod 209, prolongs the health cycle, and ensures the long-term stable operation of the vibration isolation mechanism 2.

[0035] Referring to Figure 1 , Figure 2 andFigure 5 The top of the rack 1 is provided with a plurality of grooves 5, the role of the groove 5 is used for adjusting the length according to the different size of the rotor, the top of the plurality of grooves 5 is slidably connected with the convex strip 13, the role of the convex strip 13 is convenient to adjust the length of the movement in the bottom groove 5, the adjacent end of the plurality of conducting plate 28 is slidably connected with the horizontal plate 6, the horizontal plate 6 is used to place the lower half of the rotor, the bottom of the horizontal plate 6 is fixedly connected with the telescopic rod 7, the telescopic rod 7 is used to reinforce the stability of the lower half of the rotor, the top of the conducting plate 28 is fixedly connected with the reinforcing frame 14, the outer wall of the reinforcing frame 14 is connected with the fixed button 10, the fixed button 10 is used to reinforce the stability of the upper half of the rotor, the outer wall of the reinforcing frame 14 is slidably connected with the vertical plate 9, the vertical plate 9 is used to place the upper half of the rotor, the reinforcing frame 14 is used with the vertical plate 9, and the interference factors are excluded, the outer wall of the vertical plate 9 is provided with a plurality of limiting holes 15, the limiting hole 15 is used to flexibly adjust the gear according to the different size of the rotor, the top of the vertical plate 9 is fixedly connected with the handle 11, the handle 11 is convenient to adjust the gear of the vertical plate 9, the outer wall of the handle 11 is fixedly connected with the silica gel pad 12, the role of the silica gel pad 12 is to improve the comfort when taking the vertical plate 9, the front side of the motor box 16 is fixedly connected with the display screen 3, the display screen 3 is used to display the test data, the front side of the motor box 16 is fixedly connected with the controller 4, the controller 4 is used to control the start and stop of the tool, the right side of the motor box 16 is fixedly connected with the shaft coupling 17, the shaft coupling 17 is connected with two shafts or shaft and rotary piece, so that they rotate together and transmit motion and torque, at the same time, it can also compensate the relative displacement between two shafts, buffer and vibration reduction, and play the role of overload protection, the controller 4 is electrically connected with the shaft coupling 17, the display screen 3, the telescopic rod 7 and the motor box 16 respectively;

[0036] Specifically, the chute 5 can be adjusted in length according to different sizes of the rotor, the top of the plurality of chutes 5 is slidably connected with the protrusions 13, the protrusions 13 facilitate movement in the bottom chute 5 when adjusting the length, the adjacent end of the plurality of conducting plates 28 is slidably connected with the horizontal plate 6, the horizontal plate 6 is used to bear the lower half of the rotor, the telescopic rod 7 at the bottom of the horizontal plate 6 can reinforce the stability of the lower half of the rotor, the reinforcing frame 14 is arranged at the top of the conducting plate 28, the fixing button 10 penetrates through the outer wall of the reinforcing frame 14, so as to stabilize the upper half of the rotor, the outer wall of the reinforcing frame 14 is slidably connected with the vertical plate 9, the vertical plate 9 is used to place the upper half of the rotor, the cooperation of the two can eliminate interference factors, a plurality of limiting holes 15 are arranged in the outer wall of the vertical plate 9, so as to flexibly adjust the gear according to different sizes of the rotor, the handle 11 at the top of the vertical plate 9 facilitates adjustment of the gear of the vertical plate 9, and the silica gel pad 12 on the outer wall of the handle 11 improves the comfort when the vertical plate 9 is taken, the motor box 16 is used as a control and display core component, the display screen 3 fixed on the middle upper part of the front side of the motor box 16 is used to display test data, and the controller 4 fixed on the middle lower part of the front side of the motor box 16 can control the start and stop of the tooling, the coupling 17 connected to the right side of the motor box 16 has the functions of connecting two shafts or a shaft and a rotary part, making them rotate together and transmitting motion and torque, and can compensate for the relative displacement of the two shafts, buffer and dampen, and provide overload protection, in addition, the controller 4 is electrically connected with the coupling 17, the display screen 3, the telescopic rod 7 and the motor box 16 respectively, so as to realize cooperative control of all components of the tooling, and ensure that the test work for rotors of different sizes is smoothly carried out.

[0037] Working principle: first, when the rigidity needs to be adjusted, the actual situation of the shaft body at both ends of the rotor can be adjusted, the metal plate 22 can be inserted into the T-shaped groove 27 first, after complete insertion, the push handle 19 is moved along the direction of the T-shaped groove 27 to push to one side until it cannot be pushed, the number of metal plates 22 can be flexibly adjusted according to different rigidity needs, and the method is the same, after the metal plate 22 is inserted, the threaded rod 24 on one side of the adjusting box 8 is fixed by operation, the rotating valve 18 is twisted to drive the threaded rod 24 to rotate, so that the compression plate 26 connected to one end of the threaded rod 24 is pushed to one side, the metal plate 22 is extruded, and finally the stability of the inside of the adjusting box 8 is ensured, thus the self-defined adjustment of the rigidity of the tooling is completed, the operation is relatively simple, and the maintenance is relatively convenient.

[0038] And, in order to avoid the ground vibration factor to influence the test results, for this set of vibration isolation mechanism 2, when the ground vibration, the internal spring 207 by its own tension effect push the inner rod 210 to eliminate the vibration generated by the ground, which uses a multi-layer structure, due to the frequency of vibration isolation operation, in order to delay its long-term operation of the service life, therefore for the outer rod 209 and the inner rod 210 inside each placed several reinforcing bars 203, to improve the strength of the mechanism itself, the outer rod 209 inside also set up dry layer 202 and sound insulation layer 201, further improve the service life of the mechanism.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A dynamic balance detection tool for an electric machine rotor, comprising a frame (1), a conducting plate (28) and an electric machine box (16), characterized in that: The far end of the plurality of the conducting plates (28) is fixedly connected with an adjusting box (8), the top of the adjusting box (8) is fixedly connected with a box cover (21), the top of the box cover (21) is provided with a T-shaped groove (27), the inner wall of the T-shaped groove (27) is slidably connected with a connecting rod (20), the top end of the connecting rod (20) is fixedly connected with a push handle (19), the bottom end of the connecting rod (20) is fixedly connected with a metal plate (22), the far end of the plurality of the adjusting boxes (8) is threadedly connected with a threaded rod (24), the far end of the plurality of the threaded rods (24) is fixedly connected with a rotating valve (18), the adjacent end of the plurality of the threaded rods (24) is rotatably connected with a rotating block (25), the adjacent end of the plurality of the rotating blocks (25) is fixedly connected with a pressing plate (26), the adjacent side of the plurality of the pressing plates (26) is fixedly connected with a friction pad (23), the bottom of the rack (1) is fixedly connected with a vibration isolation mechanism (2), the vibration isolation mechanism (2) is used for absorbing and isolating the vibration from the ground, reducing the influence of the vibration on the tooling.

2. The dynamic balance detection tool for motor rotor according to claim 1, characterized in that: The vibration isolation mechanism (2) comprises a plurality of outer rods (209), the plurality of outer rods (209) are fixedly connected at the four corners of the bottom of the rack (1), the inner wall of the plurality of outer rods (209) is slidably connected with an inner rod (210), the bottom of the inner rod (210) is fixedly connected with a rubber pad (205), the top end of the inner rod (210) is fixedly connected with a clamping plate (208), the top of the inner wall of the plurality of outer rods (209) is fixedly connected with a spring (207), the periphery of the inner wall of the plurality of outer rods (209) is fixedly connected with a reinforcing rib (203), the bottom of the inner wall of the plurality of outer rods (209) is fixedly connected with a sealing ring (206), the outer wall of the plurality of reinforcing ribs (203) is fixedly connected with a sound insulation layer (201), the inner wall of the sound insulation layer (201) is fixedly connected with a drying layer (202), the inside of the inner rod (210) is fixedly connected with a plurality of reinforcing ribs (203), the outer wall of the plurality of reinforcing ribs (203) is fixedly connected with a wear-resistant layer (204).

3. The dynamic balance detection tool for motor rotor according to claim 1, characterized in that: The top of the rack (1) is provided with a plurality of sliding grooves (5), the top of the plurality of sliding grooves (5) is slidably connected with a convex strip (13).

4. The dynamic balance detection tool for motor rotor according to claim 1, characterized in that: The adjacent end of the plurality of the conducting plates (28) is slidably connected with a horizontal plate (6), the bottom of the horizontal plate (6) is fixedly connected with a telescopic rod (7).

5. The dynamic balance detection tool for motor rotor according to claim 1, characterized in that: The top of the conducting plate (28) is fixedly connected with a reinforcing frame (14), the outer wall of the reinforcing frame (14) is connected with a fixing button (10), the outer wall of the reinforcing frame (14) is slidably connected with a vertical plate (9), the outer wall of the vertical plate (9) is provided with a plurality of limiting holes (15).

6. The dynamic balance detection tool for motor rotor according to claim 5, characterized in that: The top of the vertical plate (9) is fixedly connected with a handle (11), the outer wall of the handle (11) is fixedly connected with a silica gel pad (12).

7. The dynamic balance detection tool for motor rotor according to claim 1, characterized in that: The front middle upper part of the motor box (16) is fixedly connected with a display screen (3), the front middle lower part of the motor box (16) is fixedly connected with a controller (4).

8. The dynamic balance detection tool for motor rotor according to claim 7, characterized in that: The right side of the motor box (16) is fixedly connected with a shaft coupling (17), and the controller (4) is electrically connected with the shaft coupling (17), the display screen (3), the telescopic rod (7) and the motor box (16) respectively.

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