Motor torque power automatic detection device and intelligent adjustment method thereof

Abstract

The invention discloses a motor torque power automatic detection device and an intelligent adjusting method thereof.The motor torque power automatic detection device comprises an electromagnetic resistance detection assembly and a motor feeding device, the input end of the electromagnetic resistance detection assembly is provided with a butt joint coupling body capable of being in butt joint with a motor output shaft, and the butt joint coupling body is provided with a coupling hole; a plurality of elastic limiting shaft assemblies are arranged on the outer side of the circumference of the coupling hole; a locking control assembly used for limiting axial movement of the elastic limiting shaft assembly is arranged in the coupling hole, and a pitched roof structure is arranged between the locking control assembly and the motor output shaft. The motor torque range can be accurately detected without blades, the motor torque detection device is suitable for rapid butt joint of motor output shafts with flat keys of different angles and convenient production change testing of motors of different specifications, and meanwhile, the motor torque detection device is suitable for butt joint adjustment of the motor output shafts of different models.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor performance detection, and particularly relates to a motor torque power automatic detection device. BACKGROUND

[0002] In the household appliance production and manufacturing process, as a core power component, the torque power performance of the motor directly determines the operation efficiency, use effect and service life of the household appliance product, so the torque power detection of the motor before leaving the factory is a key quality control link.

[0003] At present, the detection of household appliance motors generally adopts a combined test method of motor and blade, that is, whether the motor is normally started is judged by observing whether the blade rotates after being powered on by installing a blade of a corresponding specification on the motor to be detected. However, the prior art has many defects and deficiencies that are difficult to overcome: first, the detection function is single, only the starting ability of the motor can be verified, the actual torque size and torque power range of the motor cannot be accurately determined, and the fine quality control requirement cannot be met; second, the blade is large in size, occupies a lot of equipment space during testing, and the high-speed rotating blade has certain safety hazards, which is easy to cause personnel injury or equipment interference problems; third, when testing different specifications of motors, the motor and the matching blade need to be replaced as a whole, the production and testing process is complicated, the operation efficiency is low, the production and testing cost is increased, and the traditional shaft coupling structure is designed in a fixed specification, which needs to be replaced when facing different types and sizes of motor output shafts, which is very troublesome.

[0004] In view of the above defects of the prior art, the present application aims to provide a motor torque power automatic detection device without relying on a blade, which is accurate in detection, convenient in production change, and high in safety, so as to solve the technical problems of insufficient detection function, poor safety and low production change efficiency in the prior art, and the adapter can be adjusted according to the size of the motor output shaft.

[0005] Therefore, the existing motor performance detection technology needs to be further improved. SUMMARY

[0006] The purpose of the present application is to provide a motor torque power automatic detection device, which can accurately detect the torque range of the motor without a blade, quickly connect the motor output shaft with different angle flat keys, and conveniently test different specifications of motors, and simultaneously adapt to the type connection and adjustment of different motor output shafts.

[0007] In order to achieve the above purpose, the present application adopts the following scheme: The utility model provides an electric motor torque power automatic detection device, including electromagnetic resistance detection subassembly and motor feeding device, the input of electromagnetic resistance detection subassembly is provided with the butt joint shafting that can butt joint with motor output shaft, be provided with a plurality of elastic limit axle assemblies on the circumferential outside of butt joint shafting, be provided with the dead angle control component that is used for limiting the axial movement of elastic limit axle assembly in the shaft hole, be provided with inclined jacking structure between dead angle control component and motor output shaft.

[0008] Further, the electromagnetic resistance detection subassembly includes a feed rail, the feed rail movably has a feed slider, the feed slider is provided with a tool clamp capable of installing the detected electric motor.

[0009] Further, a plurality of elastic limit axle assemblies are evenly distributed around the axis of the butt joint shafting.

[0010] Further, the elastic limit axle assembly includes an axial through hole provided on the butt joint shafting, a limit axle body movably provided in the axial through hole, and an elastic structure provided between the limit axle body and the butt joint shafting for maintaining the outward pressure of the butt joint shafting.

[0011] Further, the elastic structure includes a spring cavity provided in the butt joint shafting, the axial through hole penetrates into the spring cavity, the rear end of the limit axle body extends into the spring cavity, a spring seat is provided on the circumferential outer wall of the limit axle body in the spring cavity, and a spring body is provided between the spring seat and the inner wall of the spring cavity.

[0012] Further, the dead angle control component includes a slot provided between the axial through hole and the shaft hole, a hinged seat is provided in the slot, a dead angle turnover piece is hinged on the hinged seat, a friction rubber surface is provided on the upper surface of the dead angle turnover piece, and a reset structure is provided between the lower surface of the dead angle turnover piece and the shaft hole.

[0013] Further, the reset structure includes an eccentric hinged part provided on the dead angle turnover piece, a spring mounting seat is provided at the rear side of the slot, and a reset tension spring is connected between the eccentric hinged part and the spring mounting seat.

[0014] Further, the inclined jacking structure is a guide inclined surface provided at the front end of the lower surface of the dead angle turnover piece.

[0015] Further, a guide chamfer is provided at the hole opening of the shaft hole, and the inclination angle of the guide chamfer is 15°-30°.

[0016] Further, an arc-shaped contact surface is provided at one end of the limit axle body close to the shaft hole, and the curvature of the arc-shaped contact surface is matched with the outer circle curvature of the output shaft of the measured electric motor.

[0017] The intelligent adjusting method comprises the following steps: S1, parameter acquisition: through the visual sensing module and the distance sensing module arranged on the electromagnetic resistance detection assembly, the outer diameter parameter of the motor output shaft to be detected is acquired; S2, parameter calculation: the data acquired in the step S1 is transmitted to the control module, and the control module calculates the moving distance of the electric sliding block according to an algorithm; S3, adjusting control: the electric control track controls the electric sliding block to move in the axial direction, so that the plurality of movable limiting shafts are adjusted to move close to or away from the shaft center of the shaft hole, thereby adapting to the butt joint of the motor output shafts with different diameters.

[0018] In summary, the present application has the following advantages over the prior art: The present application solves the problems existing in the prior art of motor performance detection technology. Through the structural arrangement of the present application, the following advantages are achieved: the electromagnetic resistance detection assembly is directly connected with the motor output shaft, without relying on the blade load, so that the torque power range of the motor can be directly detected, the detection data is more accurate, and the fine quality control requirements are met; the circumferentially distributed elastic limiting shaft assembly can automatically adapt to any angle of the flat key of the motor output shaft, without the need for manual adjustment of the flat key angle to complete the butt joint, greatly improving the butt joint efficiency, and adapting to motors with different specifications of flat key output shafts; when testing different specifications of motors, only the motor needs to be replaced and the parameter setting of the electromagnetic resistance detection assembly needs to be adjusted, without the need to replace the load component, simplifying the production change process, improving the detection efficiency, and reducing the detection cost; the high-speed rotating blade load is cancelled, avoiding the safety hazards caused by the rotation of the blade, and the automatic locking after butt joint is realized through the locking control assembly, improving the structural stability of the detection process; the elastic limiting shaft assembly ensures the connection stability of the motor output shaft and the butt joint shaft body during the detection process, reducing the detection error. The synchronous assembly realizes the synchronous linkage adjustment of the plurality of radial control assemblies, reduces the time for manual replacement of the butt joint assembly, shortens the production change time for detection of different specifications of motors, reduces the manual operation intensity and detection cost, and meets the efficient detection requirements of large-scale production. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a first state plan view of the present application; Figure 2 is a second state plan view of the present application; Figure 3 is a first state plan view of the present application; Figure 2 is a sectional view along line A-A; Figure 4 is a first state plan view of the present application; Figure 3 is a first state plan view of the present application; Figure 5 is a front view of the present application; Figure 6 For the present invention Figure 5 Sectional view along the line C-C; Figure 7 For the second embodiment structure of the present invention schematic view; Figure 8 For the present invention Figure 7 The local enlarged view of D; Figure 9 For the second embodiment of the present invention local enlarged view. DETAILED DESCRIPTION

[0020] 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 a 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 of ordinary skill in the art without creative work fall within the scope of the present application.

[0021] Please refer to Figures 1-9 , the present application provides a motor torque power automatic detection device, including electromagnetic resistance detection component 1 and motor feeding device 2, the input end of electromagnetic resistance detection component 1 is provided with the butt joint shaft body 3 that can butt joint with motor output shaft, the butt joint shaft body 3 is provided with shaft hole 5, the circumference outside of shaft hole 5 is provided with a plurality of elastic limiting shaft assemblies 4, when the flat key of measured motor output shaft is inserted into shaft hole 5, because the flat key cannot be determined, so through the circumferential direction of a plurality of elastic limiting shaft assemblies 4 can make the elastic limiting shaft assembly 4 of corresponding flat key angle position after pressure, form the limiting groove of key, a plurality of elastic limiting shaft assemblies 4 form limiting groove according to the flat key angle after pressure, so it can adapt to the flat key connection of uncertain angle, make motor output shaft and electromagnetic resistance detection component 1 form the synchronous rotation of circumferential direction, complete the shaft coupling of arbitrary angle;Shaft hole 5 is provided with lock control assembly 6 for limiting the axial movement of elastic limiting shaft assembly 4, lock control assembly 6 and motor output shaft are provided with inclined top structure 7 between;Motor feeding device 2 drives measured motor to move along feeding track 101, motor output shaft is inserted into hole through the guide chamfer of shaft hole 5, the guide slope 701 of top pressure inclined top structure 7 makes lock turnover piece 602 turn up, and the friction rubber surface is close to limiting shaft body 402 to limit its axial movement; Motor output shaft flat key extrusion corresponding angle elastic limiting shaft assembly 4, limiting shaft body 402 compression spring body 4033 after pressure forms limiting groove, cooperates with other uniform elastic limiting shaft assembly 4 to realize circumferential fixation; Motor drives butt joint shaft body 3 and electromagnetic resistance detection component 1 synchronous rotation, electromagnetic resistance detection component 1 detects torque power according to preset parameters; After detection is completed, the motor exits, the reset tension spring 6033 drives the locked turnover piece 602 to reset, the spring body 4033 pushes the limiting shaft body 402 to reset, and single detection is completed. The elastic limiting shaft assembly 4 is provided with a radial adjusting shaft assembly 8 at the outer end, a radial control assembly 9 for adjusting the radial adjusting shaft assembly 8 is arranged between the butt joint shaft body 3 and the radial adjusting shaft assembly 8, the radial control assembly 9 can control the radial position adjustment of the radial adjusting shaft assembly 8 at any axial position, the butt joint shaft body 3 is provided with a synchronization assembly 10 for synchronously controlling a plurality of radial control assemblies 9, and the electromagnetic resistance detection assembly 1 is provided with a holding driving assembly 11 connected to the synchronization assembly 10. Since the synchronization assembly 10 and the plurality of radial control assemblies 9 can rotate synchronously with the butt joint shaft body 3, in order to maintain the control of the synchronization assembly 10 in the rotating state, the holding driving assembly 11 is arranged, the holding driving assembly 11 can control the adjustment work of the synchronization assembly 10 in the continuous rotating state, so as to control the plurality of radial adjusting shaft assemblies 8 to move away from or close to the center of the shaft hole 5, thereby adapting to the adaptive butt joint of different motor output shaft sizes.

[0022] The electromagnetic resistance detection assembly 1 comprises a feeding track 101, a feeding slider 102 is movably arranged on the feeding track 101, and a tool clamp 103 capable of mounting a detected motor is arranged on the feeding slider 102.

[0023] The plurality of elastic limiting shaft assemblies 4 are evenly distributed around the axis of the butt joint shaft body 3.

[0024] The elastic limiting shaft assembly 4 comprises an axial through hole 401 arranged on the butt joint shaft body 3, a limiting shaft body 402 is movably arranged in the axial through hole 401, and an elastic structure 403 for maintaining the outward pressure of the butt joint shaft body 3 is arranged between the limiting shaft body 402 and the butt joint shaft body 3.

[0025] The elastic structure 403 comprises a spring cavity 4031 arranged in the butt joint shaft body 3, the axial through hole 401 penetrates into the spring cavity 4031, the rear end of the limiting shaft body 402 extends into the spring cavity 4031, a spring seat 4032 is arranged on the circumferential outer wall of the limiting shaft body 402 in the spring cavity 4031, and a spring body 4033 is arranged between the spring seat 4032 and the inner wall of the spring cavity 4031.

[0026] The locking control component 6 of the present invention includes a slot 601 disposed between the axial through hole 401 and the coupling hole 5. A hinge seat 501 is disposed in the slot 601. A locking flipping component 602 is hinged on the hinge seat 501. The upper surface of the locking flipping component 602 is provided with a friction rubber surface, and a reset structure 603 is provided between the lower surface and the coupling hole 5.

[0027] The reset structure 603 of the present invention includes an eccentric hinge portion 6031 disposed on the locking flip member 602, a spring mounting seat 6032 disposed on the rear side of the slot 601, and a reset tension spring 6033 connected between the eccentric hinge portion 6031 and the spring mounting seat 6032.

[0028] The inclined top structure 7 of the present invention is a guide inclined surface 701 set at the front end of the lower surface of the locking and flipping part 602. When the motor output shaft is inserted into the coupling hole 5, the locking and flipping part 602 is flipped up by the motor output end pressing the guide inclined surface 701, thereby completing the axial movement restriction of the friction rubber surface to be pressed against the corresponding limiting shaft 402.

[0029] The coupling hole 5 of the present invention is provided with a guide chamfer at the opening, and the inclination angle of the guide chamfer is 15°-30°.

[0030] The limiting shaft 402 of the present invention has an arc-shaped contact surface at one end near the coupling hole 5, and the curvature of the arc-shaped contact surface is adapted to the outer circle curvature of the output shaft of the motor being tested.

[0031] The radial adjustment shaft assembly 8 of the present invention includes a radial adjustment guide groove 801 disposed at the outer end of the limiting shaft body 402, a radial slider 802 movably disposed in the radial adjustment guide groove 801, and a movable limiting shaft 803 disposed on the radial slider 802.

[0032] The radial control component 9 of the present invention includes an axial straight groove 901 disposed on the movable limiting shaft 803, and an axial guide block 902. The axial straight groove 901 is installed in the axial guide block 902 for axial movement. The axial guide block 902 is provided with a push-pull rod 903. The push-pull rod 903 is adjusted in the radial direction along the docking shaft 3, so that the axial guide block 902, the axial straight groove 901 and the corresponding movable limiting shaft 803 are adjusted in the radial direction. Since a portion of the multiple movable limiting shafts 803 are pressed backward by the key of the motor, the axial straight groove 901 on the movable limiting shaft 803 will move back and forth relative to the axial guide block 902, but still within the radial control range of the axial guide block 902, thus achieving radial control of the movable limiting shaft 803 within the axial range.

[0033] The synchronization component 10 of the present invention includes a synchronization control ring 104 that is sleeved on the outer circumferential wall of the docking coupling 3 for axial back-and-forth movement. A plurality of first hinge seats 105 are evenly distributed on the circumference of the end face of the synchronization control ring 104. A second hinge seat 106 is provided at the outer end of the push-pull rod 903. A synchronization connecting rod 107 is hinged between the second hinge seat 106 and a corresponding first hinge seat 105.

[0034] The retaining drive assembly 11 of the present invention includes an electric control track 111 disposed below the docking coupling 3. An electric slider 112 is slidably disposed on the electric control track 111. A connecting frame 113 is disposed on the electric slider 112. A control collar 114 is disposed at the upper end of the connecting frame 113. An annular groove 115 is disposed on the outer circumference of the synchronous control ring 104. The control collar 114 is engaged in the annular groove 115. The control collar 114 can only move axially in the docking coupling 3 and cannot rotate. The annular groove 115 and the synchronous control ring 104 can rotate circumferentially relative to the control collar 114. However, the control collar 114 can control the axial movement of the annular groove 115 and the synchronous control ring 104, but cannot interfere with the circumferential movement of the annular groove 115 and the synchronous control ring 104.

[0035] A smart adjustment method includes the following steps: S1. Parameter acquisition: The outer diameter parameters of the output shaft of the motor to be tested are obtained by using the vision sensing module and distance sensing module set on the electromagnetic resistance detection component 1. S2, Parameter Calculation: The data obtained in step S1 is transmitted to the control module, and the control module calculates the moving distance of the electric slider 112 according to the algorithm. S3. Adjustment and control: The electric control track 111 controls the electric slider 112 to move axially, thereby adjusting the multiple movable limit shafts 803 to move closer to or further away from the shaft center of the coupling hole 5, so as to adapt to the docking of motor output shafts of different diameters.

[0036] The foregoing has shown and described the basic principles and main features of the present invention, as well as its advantages. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic motor torque and power detection device, characterized in that: The device includes an electromagnetic resistance detection component (1) and a motor feed device (2). The input end of the electromagnetic resistance detection component (1) is provided with a coupling body (3) that can connect with the output shaft of the motor. The coupling body (3) is provided with a coupling hole (5). Multiple elastic limiting shaft assemblies (4) are provided on the outer circumference of the coupling hole (5). A locking control component (6) for limiting the axial movement of the elastic limiting shaft assembly (4) is provided inside the coupling hole (5). A locking control component (6) is provided between the locking control component (6) and the motor output shaft. The structure has a sloping top (7), and a radial adjustment shaft assembly (8) is provided at the outer end of the elastic limiting shaft assembly (4). A radial control assembly (9) for adjusting the radial adjustment shaft assembly (8) is provided between the docking coupling body (3) and the radial adjustment shaft assembly (8). A synchronization assembly (10) for synchronously controlling multiple radial control assemblies (9) is provided on the docking coupling body (3). A holding drive assembly (11) connected to the synchronization assembly (10) is provided on one side of the electromagnetic resistance detection assembly (1).

2. The automatic motor torque and power detection device according to claim 1, characterized in that: The electromagnetic resistance detection component (1) includes a feed rail (101), a feed slider (102) is movably disposed on the feed rail (101), and a tooling fixture (103) capable of mounting the motor to be tested is disposed on the feed slider (102). Multiple elastic limiting shaft assemblies (4) are evenly distributed around the axis of the docking coupling (3).

3. The automatic motor torque and power detection device according to claim 2, characterized in that: The elastic limiting shaft assembly (4) includes an axial through hole (401) disposed on the docking coupling (3), a limiting shaft (402) is movably disposed in the axial through hole (401), and an elastic structure (403) is provided between the limiting shaft (402) and the docking coupling (3) for maintaining the docking coupling (3) to push outward. The elastic structure (403) includes a spring cavity (4031) disposed in the docking coupling (3), the axial through hole (401) extending into the spring cavity (4031), the rear end of the limiting shaft (402) extending into the spring cavity (4031), a spring seat (4032) disposed on the outer circumference of the limiting shaft (402) in the spring cavity (4031), and a spring body (4033) disposed on the inner wall of the spring seat (4032) and the spring cavity (4031).

4. The automatic motor torque and power detection device according to claim 3, characterized in that: The locking control assembly (6) includes a slot (601) disposed between the axial through hole (401) and the coupling hole (5), a hinge seat (501) is disposed in the slot (601), a locking flipping component (602) is hinged on the hinge seat (501), the upper surface of the locking flipping component (602) is provided with a friction rubber surface, and a reset structure (603) is provided between the lower surface and the coupling hole (5). The reset structure (603) includes an eccentric hinge (6031) disposed on the locking flip member (602), a spring mounting seat (6032) is disposed on the rear side of the slot (601), and a reset tension spring (6033) is connected between the eccentric hinge (6031) and the spring mounting seat (6032).

5. The automatic motor torque and power detection device according to claim 4, characterized in that: The inclined top structure (7) is a guide inclined surface (701) provided at the front end of the lower surface of the locking and flipping component (602). The opening of the coupling hole (5) is provided with a guide chamfer, and the inclination angle of the guide chamfer is 15°-30°.

6. The automatic motor torque and power detection device according to claim 5, characterized in that: The radial adjustment shaft assembly (8) includes a radial adjustment guide groove (801) disposed at the outer end of the limiting shaft body (402), a radial slider (802) is movably disposed in the radial adjustment guide groove (801), and a movable limiting shaft (803) is disposed on the radial slider (802).

7. The automatic motor torque and power detection device according to claim 6, characterized in that: The radial control component (9) includes an axial straight slot (901) disposed on the movable limiting shaft (803) and an axial guide block (902). The axial straight slot (901) is installed in the axial guide block (902) for axial movement. The axial guide block (902) is provided with a push-pull rod (903).

8. The automatic motor torque and power detection device according to claim 7, characterized in that: The synchronization component (10) includes a synchronization control ring (104) that is fitted onto the outer circumferential wall of the docking coupling (3) for axial forward and backward movement. The synchronization control ring (104) has a plurality of first hinge seats (105) evenly distributed on the circumference of its end face. The push-pull rod (903) has a second hinge seat (106) at its outer end. A synchronization link (107) is hinged between the second hinge seat (106) and a corresponding first hinge seat (105).

9. The automatic motor torque and power detection device according to claim 8, characterized in that: The holding drive assembly (11) includes an electric control rail (111) disposed below the docking coupling (3), an electric slider (112) is slidably disposed on the electric control rail (111), a connecting frame (113) is disposed on the electric slider (112), a control collar (114) is disposed at the upper end of the connecting frame (113), and an annular groove (115) is disposed on the outer circumference of the synchronous control ring (104), and the control collar (114) is engaged in the annular groove (115).

10. An intelligent adjustment method for the detection device according to claim 9, characterized in that, Includes the following steps: S1. Parameter acquisition: The outer diameter parameters of the output shaft of the motor to be tested are obtained by using the visual sensing module and the distance sensing module set on the electromagnetic resistance detection component (1); S2, Parameter Calculation: The data obtained in step S1 is transmitted to the control module, and the control module calculates the moving distance of the electric slider (112) according to the algorithm. S3. Adjustment and control: The electric control track (111) controls the electric slider (112) to move axially, thereby adjusting the multiple movable limit shafts (803) to approach or move away from the axis of the coupling hole (5), so as to adapt to the docking of motor output shafts of different diameters.

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