Motor service life detection device

Abstract

The utility model relates to the technical field of motor detection, and discloses a motor service life detection device comprising a bottom plate, one side of the bottom plate is fixedly connected with a side plate, the top of the side plate is fixedly connected with a top plate, the bottom of the top plate is provided with a groove, one side of the top plate is fixedly connected with a first servo motor, and the first servo motor is fixedly connected with a second servo motor. A second threaded rod is fixedly connected to an output shaft of the first servo motor, a first threaded sleeve block is connected to the end, in the groove, of the second threaded rod in a threaded and sleeving mode, and the first threaded sleeve block is connected to the end, in the groove, of the second threaded rod in a threaded and sleeving mode. The multiple shaft body connecting shafts can be matched with the output shaft of the motor fixed on the fixing box, after matching, the radial pressure and the axial pressure of the shaft body of the motor are tested through the slow movement of the fixing block in the transverse direction and the vertical direction, and therefore in the practical application, the testing efficiency is greatly improved. And testing the service life of the motor according to the pressure generated after the actual motor shaft body is connected.

Description

Technical Field

[0001] The utility model relates to the technical field of motor detection, and specifically relates to a device for detecting the service life of a motor. Background Technique

[0002] A motor is a device that converts electrical energy into mechanical energy and is widely used in industrial, commercial, and household applications. According to the working principle, structure, and application environment of the motor, it can be divided into various types. Before leaving the factory, the service life of the motor generally needs to be detected. The life detection of the motor involves evaluating the electrical, mechanical, and thermal performance of the motor to predict its remaining life and identify potential faults.

[0003] General motor detection includes insulation resistance testing, winding resistance testing, vibration analysis, and temperature detection, etc., to conduct a comprehensive detection and identification of the operating environment during the operation of the motor. However, the motor generally operates in cooperation with components. When the motor shaft is connected to an object, the object will exert pressure on the motor. At this time, the pressure exerted by the object will also cause the service life of the motor to decrease. If the pressure exerted by the object is not detected, then when the motor is in use, the detection results will be difficult to match the actual application scenario.

[0004] Therefore, it is necessary to design a device for detecting the service life of a motor to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a device for detecting the service life of a motor to solve the technical problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A device for detecting the service life of a motor, including a bottom plate, one side of the bottom plate is fixedly connected with a side plate, the top of the side plate is fixedly connected with a top plate, a groove is opened at the bottom of the top plate, a first servo motor is fixedly connected to one side of the top plate, the output shaft of the first servo motor is fixedly connected with a second threaded rod, one end of the second threaded rod inside the groove is threadedly sleeved with a first threaded sleeve block, the bottom of the first threaded sleeve block is fixedly connected with an electronic telescopic rod, the bottom end of the electronic telescopic rod is fixedly connected with a connection box, a second servo motor is fixedly connected to one side of the connection box, the output shaft of the second servo motor is fixedly connected with a bidirectional threaded rod, both ends of the bidirectional threaded rod inside the cavity of the connection box are threadedly sleeved with second threaded sleeve blocks, the bottoms of the two second threaded sleeve blocks are both rotatably connected with rotating blocks, the bottom ends of the two rotating blocks are both rotatably connected with rotating shafts, one ends of the two rotating shafts are jointly rotatably connected with a fixed block, a fixed box is fixedly connected to the top of the bottom plate, an installation mechanism for motor installation is fixedly connected to the top of the fixed box, and the fixed block rotates on one side of the fixed box with a plurality of shaft connection shafts with different apertures.

[0007] Preferably, the installation mechanism includes a knob. A chute is formed in the top of the fixed box. A first threaded rod is threadedly inserted into the interior of the chute, and one end of the first threaded rod penetrates outside the fixed box. The knob is fixedly connected to the end of the first threaded rod outside the fixed box. Connecting pieces are threadedly connected to both ends of the first threaded rod inside the chute. A plurality of symmetric threaded mounting holes are installed on both sides of the connecting piece on both sides of the first threaded rod.

[0008] Preferably, both sides of the connecting piece are respectively in contact with both sides of the chute. Both sides of the two rotating blocks are respectively in contact with both sides of the inner cavity of the bottom of the connecting box. Both sides of the first threaded sleeve block are respectively in contact with both sides of the groove.

[0009] Preferably, notches for the corresponding rotating blocks to rotate are formed at the bottoms of both of the second threaded sleeve blocks. Arc-shaped surfaces are formed at both ends of the rotating blocks.

[0010] Preferably, a plurality of shaft connecting shafts are fixedly connected to the center of the fixed block and are vertically and equally spaced.

[0011] Preferably, a plurality of shaft connecting shafts are arranged on one side of the outer surface of the fixed block on the fixed box, and the diameter of each aperture of the plurality of shaft connecting shafts gradually decreases from top to bottom.

[0012] The technical solution provided by the present utility model has the following beneficial effects compared with the prior art:

[0013] By starting the first servo motor and the second servo motor, the present utility model makes use of the rotation of the two rotating blocks, so that a plurality of shaft connecting shafts can be adapted to the output shaft of the motor fixed on the fixed box. After adaptation, through the slow movement of the fixed block in the horizontal and vertical directions, radial pressure and axial pressure tests are carried out on the shaft of the motor, so as to test the motor life of the pressure generated after the actual connection of the actual motor shaft in practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the present utility model;

[0015] Figure 2 is an exploded view of the top plate structure of the present utility model;

[0016] Figure 3 is an exploded view of the connecting box structure of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the rotating shaft of the present utility model;

[0018] In the figure: 1, bottom plate; 2, side plate; 3, top plate; 4, knob; 5, first threaded rod; 6, connecting piece; 7, fixed box; 8, first servo motor; 9, second threaded rod; 10, first threaded sleeve block; 11, electronic telescopic rod; 12, fixed block; 13, connecting box; 14, second threaded sleeve block; 15, bidirectional threaded rod; 16, rotating block; 17, second servo motor; 18, shaft body connecting shaft; 19, rotating shaft. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] Obviously, many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention may be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the limitations of the specific embodiments disclosed in the following specification.

[0021] Please refer to Figures 1-4The utility model provides a motor service life detection device, including a bottom plate 1, a side plate 2 is fixedly connected to one side of the bottom plate 1, a top plate 3 is fixedly connected to the top of the side plate 2, a groove is provided at the bottom of the top plate 3, a first servo motor 8 is fixedly connected to one side of the top plate 3, a second threaded rod 9 is fixedly connected to the output shaft of the first servo motor 8, a first threaded sleeve 10 is threadedly sleeved at one end of the second threaded rod 9 inside the groove, an electronic telescopic rod 11 is fixedly connected to the bottom of the first threaded sleeve 10, and a connection box 13 is fixedly connected to the bottom end of the electronic telescopic rod 11 A second servo motor 17 is fixedly connected to one side of the connection box 13, and a bidirectional threaded rod 15 is fixedly connected to the output shaft of the second servo motor 17. The bidirectional threaded rod 15 is threadedly sleeved with a second threaded sleeve block 14 at both ends of the inner cavity of the connection box 13. The bottoms of the two second threaded sleeve blocks 14 are rotatably connected to a rotating block 16, and the bottom ends of the two rotating blocks 16 are rotatably connected to a rotating shaft 19, and one end of the two rotating shafts 19 is rotatably connected to a fixed block 12. The top of the bottom plate 1 is fixedly connected to a fixed box 7, and the top of the fixed box 7 is fixed The fixing block 12 is connected to a mounting mechanism for motor installation, and the fixing block 12 is rotatably connected to a plurality of shaft connecting shafts 18 with different apertures on one side of the fixing box 7. When the motor to be detected is installed on the fixing box 7 through the mounting mechanism, the second servo motor 17 is turned on, and the two-way threaded rod 15 is rotated to drive the two second threaded sleeve blocks 14 to move toward or away from each other, so that the two rotating blocks 16 are rotated to drive the fixing block 12 to rise and fall, so that one of the plurality of shaft connecting shafts 18 that is compatible with the motor shaft is connected to the motor output shaft 18. The axes are located in the same horizontal plane, and the shaft connecting shaft 18 is connected to the output shaft of the motor by rotating the second threaded rod 9. After the connection, the first servo motor 8 can be turned on, and the axial pressure of the motor can be tested by slowly moving the fixed block 12, such as the pressure generated by connecting a screw propeller, a fan, etc. in actual application places, and the radial pressure of the motor can be tested by telescoping the electronic telescopic rod 11, such as the pressure generated by belt drive, gear drive, etc. in actual application places, so as to detect the service life of the motor when under pressure in actual application scenarios.

[0022] It should be noted that the installation mechanism mentioned in the above description includes a knob 4. When the knob 4 is rotated, the first threaded rod 5 rotates inside the slide groove of the fixed box 7, thereby driving the two connecting plates 6 to move toward or away from each other inside the slide groove, thereby adjusting the distance between the two connecting plates 6, thereby facilitating the fixation of motor bases with different distances.

[0023] In order to enable the connecting piece 6 to slide stably inside the sliding groove, the two connecting pieces 6 to slide stably at the bottom of the inner cavity of the connecting box 13, and the first threaded sleeve block 10 to slide stably inside the sliding groove, both sides of the connecting piece 6 are respectively in contact with both sides of the sliding groove, both sides of the two rotating blocks 16 are respectively in contact with both sides of the bottom inner cavity of the connecting box 13, and both sides of the first threaded sleeve block 10 are respectively in contact with both sides of the groove.

[0024] In order to facilitate the rotation of the two rotating blocks 16 at the bottom of the two second threaded sleeve blocks 14 respectively, notches for the corresponding rotating blocks 16 to rotate are provided at the bottoms of the two second threaded sleeve blocks 14, and arc-shaped surfaces are provided at both ends of the rotating blocks 16.

[0025] Furthermore, in order to facilitate the connection of the multiple shaft connecting shafts 18 to the motor output shaft, the multiple shaft connecting shafts 18 are all fixedly connected to the center of the fixed block 12 and are vertically equally spaced.

[0026] Even further, in order to facilitate the adaptation of the multiple shaft connecting shafts 18 to the output shafts of different motors, the multiple shaft connecting shafts 18 are all arranged on one side of the outer surface of the fixed block 12 on the fixed box 7, and the diameter of each aperture of the multiple shaft connecting shafts 18 gradually decreases from top to bottom.

[0027] The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0028] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not separately describe various possible combination methods.

[0029] In addition, any combination can be made between various different embodiments of the present invention, as long as it does not violate the idea of the present invention, and it should also be regarded as the content disclosed by the present invention.

Claims

1. A motor service life detection device, comprising a bottom plate (1), characterized in that: One side of the bottom plate (1) is fixedly connected with a side plate (2), the top of the side plate (2) is fixedly connected with a top plate (3), a groove is formed at the bottom of the top plate (3), one side of the top plate (3) is fixedly connected with a first servo motor (8), the output shaft of the first servo motor (8) is fixedly connected with a second threaded rod (9), one end of the second threaded rod (9) inside the groove is threadedly sleeved with a first threaded sleeve block (10), the bottom of the first threaded sleeve block (10) is fixedly connected with an electronic telescopic rod (11), the bottom end of the electronic telescopic rod (11) is fixedly connected with a connection box (13), one side of the connection box (13) is fixedly connected with a second servo motor (17), the output shaft of the second servo motor (17) is fixedly connected with a bidirectional threaded rod (15), both ends of the bidirectional threaded rod (15) inside the inner cavity of the connection box (13) are threadedly sleeved with second threaded sleeve blocks (14), the bottoms of the two second threaded sleeve blocks (14) are both rotatably connected with rotating blocks (16), the bottom ends of the two rotating blocks (16) are both rotatably connected with a rotating shaft (19), one ends of the two rotating shafts (19) are jointly rotatably connected with a fixed block (12), the top of the bottom plate (1) is fixedly connected with a fixed box (7), the top of the fixed box (7) is fixedly connected with a mounting mechanism for motor installation, and the fixed block (12) is rotatably connected with a plurality of shaft connecting shafts (18) with different hole diameters on one side of the fixed box (7).

2. The motor service life detection device according to claim 1, characterized in that: The mounting mechanism includes a knob (4), a chute is formed at the top of the fixed box (7), a first threaded rod (5) is threadedly inserted into the inside of the chute, and one end of the first threaded rod (5) penetrates outside the fixed box (7), and the knob (4) is fixedly connected to the end of the first threaded rod (5) outside the fixed box (7), and both ends of the first threaded rod (5) inside the chute are threadedly connected with connection pieces (6), and a plurality of symmetric threaded mounting holes are installed on both sides of the connection piece (6) on both sides of the first threaded rod (5).

3. The motor service life detection device according to claim 1, characterized in that: Both sides of the connection piece (6) are respectively attached to both sides of the chute, both sides of the two rotating blocks (16) are respectively attached to both sides of the inner cavity of the bottom of the connection box (13), and both sides of the first threaded sleeve block (10) are respectively attached to both sides of the groove.

4. A motor service life detection device according to claim 1, characterized in that: Both bottoms of the two second threaded sleeve blocks (14) are provided with notches for the corresponding rotating blocks (16) to rotate, and arc-shaped surfaces are formed at both ends of the rotating blocks (16).

5. The motor service life detection device according to claim 1, characterized in that: A plurality of the shaft connecting shafts (18) are fixedly connected to the center of the fixed block (12) and are vertically and equally spaced.

6. The life detection device for an electric machine according to claim 1, wherein: A plurality of the shaft connecting shafts (18) are all arranged on one side of the outer surface of the fixed block (12) of the fixed box (7), and the diameter of each hole diameter of the plurality of shaft connecting shafts (18) gradually decreases from top to bottom.

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