CN208110009U - A motor aging test tool - Google Patents

Abstract

The utility model discloses a motor aging testing frock, it includes the frame, is provided with the fixing device that can rotate carousel and be used for assembling the motor in the frame, the output shaft of carousel and motor still is provided with the magnetic field generating device that can move in the frame, and when the carousel rotated for magnetic field generating device, carousel cutting magnetic field generating device's magnetism felt line did work and the rotation of retardant carousel. The utility model discloses in, whether the motor is ageing serious can be judged to the rotational speed that only needs to measure the carousel, easy operation, it is efficient.

Description

A motor aging test tool

technical field

The utility model relates to the technical field of motor testing, in particular to a tool for motor aging testing.

Background technique

After the motor has been used for a period of time, it needs to be tested for aging, and the seriously aged motor needs to be repaired or updated. After the aging of the motor, the main insulation decreases, the insulation between the iron core silicon steel sheet laminations decreases, the eddy current increases, and the output power and efficiency of the motor decrease. Therefore, in the prior art, the aging degree of the motor is generally determined by manually measuring the insulation coefficient between the silicon steel sheets with an instrument, and the operation process is complicated and the work efficiency is low.

Utility model content

In view of this, the purpose of the utility model is to provide a simple and efficient motor aging test tool.

The technical scheme that the utility model adopts for solving its technical problem is:

A motor aging test tool, which includes a frame, the frame is provided with a turntable that can rotate on the frame and a fixing device for assembling the motor, the turntable is connected with the output shaft of the motor, and the frame There is also a magnetic field generating device that can move on the frame. When the turntable rotates relative to the magnetic field generating device, the turntable cuts the magnetic induction lines of the magnetic field generating device to do work and retards the rotation of the turntable.

Preferably, the magnetic field generating device includes a magnetic head, the magnetic head has more than two parallel magnetic plates, and when the magnetic field generating device moves relative to the frame, the side of the turntable can be inserted into the gap between the magnetic plates.

Preferably, there are several turntables, and each turntable is sleeved on the same pivot in parallel. Correspondingly, the number of the magnetic plates is greater than the number of the turntables, and when the magnetic field generating device moves relative to the frame, the sides of each turntable can be inserted into the gap between the corresponding two magnetic plates.

Preferably, the frame is provided with an X-direction slide seat and an X-direction driving mechanism for driving the X-direction slide seat to reciprocate along the X direction, and the X-direction slide seat is provided with a Y-direction slide seat and a For the Y-direction drive mechanism that drives the Y-direction slide to reciprocate along the Y direction, the magnetic field generator is movably arranged on the Y-direction slide, and the Y-direction slide is also provided with a device for driving the magnetic field generator along the Z direction. Z direction drive mechanism for reciprocating motion.

Preferably, the X direction is a vertical direction, and the turntable is arranged on the X-direction sliding seat and can move up and down along with the X-direction sliding seat.

Preferably, the X-direction driving mechanism includes an X-direction column and an X-direction driver arranged on the frame, and the X-direction sliding seat is slidably sleeved on the X-direction column and driven by the X-direction driver.

Preferably, the Y-direction drive mechanism includes a Y-direction chute and a Y-direction driver arranged on the X-direction slide, and the Y-direction slide is slidably arranged in the Y-direction chute and driven by the Y-direction driver .

Preferably, a guide block is provided on the Y-direction slide seat, the Z-direction driving mechanism includes a Z-direction driver and a Z-direction guide column pierced in the guide block, the head end of the Z-direction guide column and the Z-direction driver connection, and the tail end is fixedly connected with the magnetic field generating device.

Preferably, the fixing device includes a fixed base and a bracket arranged on the fixed base, the bracket is provided with a pressing device for pressing the motor on the fixed base, the axial direction of the turntable is Y direction, The frame is also provided with a first adjusting device for adjusting the Y-direction position of the fixed base.

Preferably, the first adjusting device includes a first driving device and first guide rails distributed along the Y direction, and the fixed base is slidably arranged on the first guide rails and driven by the first driving device.

The beneficial effects of the utility model are: in the utility model, it is only necessary to measure the rotation speed of the turntable to determine whether the motor is seriously aged, and the operation is simple and the efficiency is high.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of the working state of the utility model;

FIG. 3 is a structural schematic diagram of the relative positions of the magnetic head and each turntable.

Detailed ways

The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Fig. 1 to Fig. 3, the embodiment of the utility model proposes a kind of motor aging test tooling, and it comprises frame 1, and frame 1 is provided with the turntable 2 that can rotate on frame 1 and is used for assembling motor 5 Fixing device, the turntable 2 can be connected with the output shaft of the motor 5 through a shaft coupling 7, and the frame 1 is also provided with a magnetic field generating device that can move three axes on the frame 1, when the turntable 2 rotates relative to the magnetic field generating device , the turntable 2 cuts the magnetic induction lines of the magnetic field generating device to do work and retards the rotation of the turntable 2 . In this embodiment, the magnetic field generating device includes a magnetic head 3, and the turntable 2 is a conductor, which can be made of materials such as iron, copper, and aluminum. The magnetic head 3 is a magnet, and the magnetic head 3 has more than two parallel magnetic plates 31. When the device moves relative to the frame 1 , the sides of the turntable 2 can be inserted into the gaps between the magnetic plates 31 .

Before the test starts, the output shaft of the motor 5 is first connected with the turntable 2 through the coupling 7, and the magnetic head 3 is moved so that the side of the turntable 2 is inserted into the gap between the magnetic plates 31. After the test starts, start the motor 5 to make the turntable 2 rotate relative to the magnetic head 3. The turntable 2 will be resisted due to the work done by cutting the magnetic field line. This resistance will block the rotation of the turntable 2 and reduce the speed of the turntable 2. For the same For the type of motor 5, the output power of the motor 5 that is more aging is lower, and when subjected to the same resistance, the rotating speed of the turntable 2 driven by the motor 5 that is seriously aging is also lower. Therefore, the following method can be used to test whether the motor 5 is seriously aging. First, select an aging motor 5 as a reference, connect it to the turntable 2, measure the rotating speed of the turntable 2, and record it as A, and then remove the motor 5. Replace with other motors 5 that need to be tested, measure the rotating speed of the turntable 2, and record it as B. If B is greater than A, it means that its aging degree is not as serious as the benchmark motor 5, and it can be considered to continue to use; if B is less than A, it means that its aging degree is more serious than the benchmark motor 5, and it should be overhauled or replaced. In the above test method, it is only necessary to measure the rotation speed of the turntable 2 to determine whether the motor 5 is seriously aged, and the operation is simple and the efficiency is high.

In this implementation, there are several turntables 2, and each turntable 2 is sleeved on the same pivot in parallel. Correspondingly, the number of magnetic plates 31 is greater than the number of turntables 2 , and when the magnetic field generating device moves relative to the frame 1 , the sides of each turntable 2 can be inserted into the gap between two corresponding magnetic plates 31 . Compared with only one turntable 2, such a design can increase the resistance of the motor 5 during the test, increase the significance of the test data, and improve the accuracy of the test results.

The frame 1 is provided with an X-direction slide seat 6 and an X-direction driving mechanism for driving the X-direction slide seat 6 to reciprocate along the X direction. The X-direction slide seat 6 is provided with a Y-direction slide seat 60 and a drive mechanism for driving the Y To the Y-direction driving mechanism that the sliding seat 60 reciprocates along the Y direction, the magnetic field generating device is movably arranged on the Y-directing sliding seat 60, and the Y-directing sliding seat 60 is also provided with a device for driving the magnetic field generating device to reciprocate along the Z direction. Z direction drive mechanism.

In this embodiment, the turntable 2 rotates around a horizontal axis, the X direction is the vertical direction, the Y direction is the axial direction of the turntable 2 , and the Z direction is the radial direction of the turntable 2 . In order to adjust the height of the turntable 2 , the turntable 2 is arranged on the X-direction slide seat 6 and can move up and down along with the X-direction slide seat 6 . The heights of the output shafts of different types of motors 5 are different. Such a design can adjust the height of the turntable 2. After the type of the tested motor 5 is replaced, the turntable 2 can also be adjusted to the most favorable position for connecting with the motor 5.

In this embodiment, the X-direction drive mechanism includes an X-direction column 12 and an X-direction driver (not shown) arranged on the frame 1. The X-direction slide seat 6 is slidably sleeved on the X-direction column 12 and driven by the X-direction driver. drive. The Y-direction drive mechanism includes a Y-direction chute (not shown) and a Y-direction driver (not shown) arranged on the X-direction slide 6. drive drive. A guide block 61 is provided on the Y-direction slide seat 60, and the Z-direction driving mechanism includes a Z-direction driver (not shown) and a Z-direction guide post 13 that is penetrated in the guide block 61, and the head end of the Z-direction guide post 13 is aligned with the Z Connect to the drive, and the tail end is fixedly connected to the magnetic field generator. The X-direction driver, the Y-direction driver and the Z-direction driver generally use air cylinders, and trial devices such as electric cylinders and hydraulic cylinders can also be used.

The fixing device includes a fixed base 4 and a support 41 arranged on the fixed base 4. The support 41 is provided with a pressing device 410 for pressing the motor 5 on the fixed base 4. The pressing device 410 can adopt a pressing piece, The pressing member is driven by an air cylinder and can move up and down relative to the fixed base 4 to compress the motor 5 . Elastic buckles, clamps and other suitable devices such as elastic buckles can also be used.

The frame 1 is also provided with a first adjusting device for adjusting the position of the fixed base 4 in the Y direction. In this embodiment, the first adjusting device includes a first driving device and a first guide rail 11 distributed along the Y direction. The fixed base 4 is slidably arranged on the first guide rail 11 and driven by the first driving device. The first driving device can Common devices such as electric cylinders and hydraulic cylinders are used. The lengths of the output shafts of different types of motors 5 are different. Such a design can adjust the Y-direction position of the fixed base 4 as required, and can be suitable for testing various types of motors 5 .

Claims (10)

1. a kind of motor aging test frock is characterized in that it comprises frame (1), and described frame (1) is provided with the turntable (2) that can rotate on frame (1) and is used for assembling motor ( 5) the fixing device, the turntable (2) is connected with the output shaft of the motor (5), and the frame (1) is also provided with a magnetic field generator that can move on the frame (1), and the turntable (2) When rotating relative to the magnetic field generating device, the turntable (2) cuts the magnetic field lines of the magnetic field generating device to perform work and retard the rotation of the turntable (2). 2. A kind of motor aging test tooling according to claim 1, is characterized in that, described magnetic field generator comprises magnetic head (3), and described magnetic head (3) has more than two parallel magnetic plates (31), When the magnetic field generating device moves relative to the frame (1), the side of the turntable (2) can be inserted into the gap between the magnetic plates (31). 3 . A motor aging test tool according to claim 2 , characterized in that there are several turntables ( 2 ), and each turntable ( 2 ) is sleeved on the same pivot in parallel. 4 . 4. A motor aging test tool according to claim 1, characterized in that the frame (1) is provided with an X-direction slide (6) and is used to drive the X-direction slide (6) along the An X-direction drive mechanism for reciprocating motion in the X direction, the X-direction slide seat (6) is provided with a Y-direction slide seat (60) and a Y-direction drive for driving the Y-direction slide seat (60) to reciprocate along the Y direction mechanism, the magnetic field generating device is movably arranged on the Y-direction sliding seat (60), and the Y-direction sliding seat (60) is also provided with a Z-direction driving mechanism for driving the magnetic field generating device to reciprocate along the Z direction. 5. A motor aging test tool according to claim 4, characterized in that the X direction is a vertical direction, and the turntable (2) is arranged on the X-direction slide (6) and can follow the X direction. Move up and down toward the slider (6). 6. A kind of motor aging test tool according to claim 4, characterized in that, the X-direction driving mechanism comprises an X-direction column (12) and an X-direction driver arranged on the frame (1), and the X-direction The sliding seat (6) is slidably sleeved on the X-direction column (12) and driven by the X-direction driver. 7. A motor aging test tool according to claim 4, characterized in that, the Y-direction drive mechanism comprises a Y-direction chute and a Y-direction driver arranged on the X-direction slide (6), and the Y-direction The sliding seat (60) is slidably arranged in the Y-direction chute and driven by the Y-direction driver. 8. A motor aging test tool according to claim 4, characterized in that, a guide block (61) is provided on the Y-direction slide (60), and the Z-direction driving mechanism includes a Z-direction driver and a threading The Z-direction guide column (13) arranged in the guide block (61), the head end of the Z-direction guide column (13) is connected with the Z-direction driver, and the tail end is fixedly connected with the magnetic field generating device. 9. A kind of motor aging test tool according to claim 1, characterized in that, the fixing device comprises a fixed base (4) and a bracket (41) arranged on the fixed base (4), and the bracket (41 ) is provided with a pressing device (410) for pressing the motor (5) on the fixed base (4), the axial direction of the turntable (2) is Y direction, and the frame (1) is also provided with There is a first adjusting device for adjusting the Y-direction position of the fixed base (4). 10. A kind of motor aging test tool according to claim 9, characterized in that, the first adjusting device comprises a first driving device and a first guide rail (11) distributed along the Y direction, and the fixed base ( 4) Slidingly arranged on the first guide rail (11) and driven by the first driving device.