CN219956418U - Motor rotor circumference runout detection device - Google Patents
Motor rotor circumference runout detection device Download PDFInfo
- Publication number
- CN219956418U CN219956418U CN202320894563.4U CN202320894563U CN219956418U CN 219956418 U CN219956418 U CN 219956418U CN 202320894563 U CN202320894563 U CN 202320894563U CN 219956418 U CN219956418 U CN 219956418U
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- Prior art keywords
- motor rotor
- seat
- detection device
- movable rod
- support
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000004323 axial length Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
A motor rotor circumference runout detection device comprises a frame, a top plate, a bottom plate and a plurality of installing columns, wherein a workpiece supporting seat is installed on the bottom plate, bearings for supporting a motor rotor are arranged at two ends of the workpiece supporting seat, a first support is fixedly connected to the right side of the workpiece supporting seat, a top rod is fixedly installed on the first support, a second support is fixedly connected to the left side of the workpiece supporting seat, a movable rod is arranged on the second support and is in sliding fit with the second support, a transverse pin is arranged at the left end of the movable rod, the movable rod is clamped with one end of a lever through the transverse pin, the other end of the lever is hinged with a cylinder through the transverse pin, a belt installing seat is arranged right above the workpiece supporting seat, a servo motor is arranged on one side of the belt installing seat, an output shaft of the servo motor penetrates through the belt installing seat and a driving wheel to be fixedly connected with two driven wheels through a belt, the upper end of the belt installing seat is fixedly connected with a pushing rod installed on the top plate, and a sensor is arranged on the bottom plate.
Description
Technical Field
The utility model belongs to the field of motor rotor runout detection, and particularly relates to a motor rotor circumference runout detection device.
Background
The circumference runout is the maximum reading difference measured by the indicator in the specified direction when the measured actual surface rotates around the reference axis without axial movement, the motor rotor is used as a precise part, higher precision is needed, the motor rotor needs to rotate at high speed all the time in the use process, and the running efficiency and the service life of the motor can be reduced due to overlarge circumference runout error.
Before motor collection assembly, overspeed test is required to be carried out on a motor rotor, after overspeed test is completed, circular runout detection is required to be carried out on the outer circle of the magnetic steel sleeve, the outer circle of the motor bearing end and the outer circle of the extending end, so that whether mechanical looseness or permanent deformation occurs in the assembly and overspeed test process of the motor rotor is detected, whether circular runout errors are in a design range is judged, and the problems of low detection precision and low detection efficiency exist in the existing detection device.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides a motor rotor circumference runout detection device, and solves the problems of low detection precision and detection efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a motor rotor circumference detection device that beats, includes the frame, the frame comprises roof, bottom plate and many erection columns, the bottom plate is installed a work piece supporting seat, the shape of work piece supporting seat is the U-shaped, the both ends of work piece supporting seat are provided with two bearings that are used for supporting motor rotor respectively, work piece supporting seat right side fixed connection first support, fixed mounting ejector pin on the first support, work piece supporting seat left side fixed connection second support, be provided with a movable rod on the second support, movable rod and second support sliding fit, the movable rod left end is provided with a transverse pin, the movable rod forms the joint through transverse pin and a lever one end, work piece supporting seat left side is provided with a pin joint seat, the hinge seat is hinged with the middle part of the lever through another transverse pin, the other end of the lever is hinged with a cylinder through a transverse pin, the cylinder is fixed at the lower end of the workpiece supporting seat through a cylinder mounting seat, a belt mounting seat is arranged right above the workpiece supporting seat, a servo motor is arranged on one side of the belt mounting seat, an output shaft of the servo motor penetrates through the belt mounting seat and is fixedly connected with a driving wheel, the driving wheel is connected with two driven wheels through a belt, the driving wheel and the two driven wheels form a triangle, the upper end of the belt mounting seat is fixedly connected with a pushing rod of a pushing device arranged on a top plate, and a sensor for detecting circumferential runout of a motor rotor is further arranged on the bottom plate.
Preferably, the bottom plate is further provided with an installation seat, an axial length measurement potentiometer is fixedly installed on the installation seat, and a probe of the axial length measurement potentiometer is tightly attached to the rear end of the movable rod.
Preferably, a compression spring is arranged on the output shaft of the shaft length measurement potentiometer.
Preferably, the pushing device is an air cylinder or a hydraulic lever.
Preferably, the sensor is a laser sensor.
Preferably, a protective sleeve is arranged outside the shaft length measurement potentiometer.
Preferably, an open slot is arranged on the belt mounting seat for placing the servo motor.
Preferably, the bottom plate is further provided with a mounting plate for adjusting the height of the whole body.
By adopting the scheme, the motor rotor circumference runout detection device comprises a frame, the frame comprises roof, bottom plate and many erection columns, a work piece supporting seat is installed to the bottom plate, the shape of work piece supporting seat is the U-shaped, the both ends of work piece supporting seat are provided with two bearings that are used for supporting motor rotor respectively, work piece supporting seat right side fixed connection first support, fixed mounting ejector pin is gone up to first support, work piece supporting seat left side fixed connection second support, be provided with a movable rod on the second support, movable rod and second support sliding fit, the movable rod left end is provided with a cross pin, the movable rod forms the joint through cross pin and a lever one end, work piece supporting seat left side is provided with a hinging seat, the hinging seat forms the articulated through another cross pin and lever middle part, the lever other end also forms the articulated through cross pin and a cylinder, the cylinder passes through cylinder erection seat fixed connection at work piece supporting seat lower extreme, be provided with a belt mount pad directly over the work piece supporting seat, work piece supporting seat left side fixed connection second support has a motor, be provided with a movable rod and second support sliding fit, the movable rod is provided with a driving wheel, a driving wheel is connected with a driving wheel and is passed through with a driving wheel, a driving wheel is connected with a servo motor, a driving wheel is passed through the servo motor is fixed connection, is passed through the servo motor is installed on the side and is connected with the top plate.
The motor rotor axial runout can be effectively converted by the axial length measuring potentiometer through the front-back telescopic acquisition shaft length of the probe.
Adopt this device, through the conversion motor rotor circumference that the sensor can be accurate beats, this device is through pushing down the belt mount pad simultaneously, makes the belt compress tightly motor rotor, drives motor rotor through belt and motor rotor's friction and rotates, need not artificial control, can effectively improve detection efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of the structure of the present utility model;
fig. 4 is a cross-sectional view A-A of fig. 3.
In the figure: 1 is a frame, 1a is a bottom plate, 1b is a top plate, 1c is a mounting column, 2 is a workpiece supporting seat, 3 is a first bracket, 4 is an ejector rod, 5 is a second bracket, 6 is a movable rod, 7 is a transverse pin, 8 is a lever, 9 is a hinging seat, 10 is a cylinder, 11 is a cylinder mounting seat, 12 is a belt mounting seat, 13 is a servo motor, 14 is a driving wheel, 15 is a belt, 16 is a driven wheel, 17 is a pushing device, 18 is a sensor, 19 is a mounting seat, 20 is an axial length measuring potentiometer, 21 is a compression spring, 22 is a protective sleeve, 23 is an open slot, 24 is a mounting plate, and 25 is a bearing.
Detailed Description
Referring to fig. 1, 3 and 4, a motor rotor circumference runout detection device comprises a frame 1, the frame 1 is composed of a top plate 1a, a bottom plate 1b and a plurality of mounting posts 1c, the bottom plate 1b is provided with a workpiece support seat 2, the workpiece support seat 2 is in a U shape, two ends of the workpiece support seat 2 are respectively provided with two bearings 25 for supporting a motor rotor, the right side of the workpiece support seat 2 is fixedly connected with a first bracket 3, a push rod 4 is fixedly mounted on the first bracket 3, the left side of the workpiece support seat 2 is fixedly connected with a second bracket 5, a movable rod 6 is arranged on the second bracket 5, the movable rod 6 is in sliding fit with the second bracket 5, the left end of the movable rod 6 is provided with a transverse pin 7, the movable rod 6 is in clamping connection with one end of a lever 8 through the transverse pin 7, the left side of the workpiece support seat 2 is provided with a hinge seat 9, the hinge seat 9 is hinged with the middle part of the lever 8 through another transverse pin 7, the other end of the lever 8 is hinged with an air cylinder 10 through a transverse pin 7, the air cylinder 10 is fixed at the lower end of the workpiece supporting seat 2 through an air cylinder mounting seat 11, taking this embodiment as an example, the lever 8 can use a shifting fork, the air cylinder 10 is a shifting fork air cylinder, a mounting seat 19 is further arranged on the bottom plate 1a, an axial length measuring potentiometer 20 is fixedly arranged on the mounting seat 19, a probe of the axial length measuring potentiometer 20 is tightly attached to the rear end of the movable rod 6, a compression spring 21 is arranged on an output shaft of the axial length measuring potentiometer 20, taking this embodiment as an example, the probe of the axial length measuring potentiometer 20 is always in a compressed state in the front-back expansion process of the movable rod 6, after the front end face and the rear end face of the motor rotor are tightly pressed stably, the axial length can be acquired by the axial length measurement potentiometer 20, when the cylinder fails, the compression spring 21 on the output shaft of the axial length measurement potentiometer 20 can recover to deform, the movable rod 6 is pushed to move forwards, the device can still work, effective secondary guarantee is provided, and when the movable rod 6 needs to be restored to the original position, the probe of the axial length measurement potentiometer 20 is only clung to the movable rod 6, so that external force needs to be applied to enable the movable rod to return to the original position.
Referring to fig. 1, 3 and 4, a belt mounting seat 12 is disposed right above the workpiece support seat 2, a servo motor 13 is disposed on one side of the belt mounting seat 12, an opening groove 23 is disposed on the belt mounting seat 12 for placing the servo motor 13, the opening groove 23 is configured to facilitate installation of the servo motor 13, an output shaft of the servo motor 13 passes through the belt mounting seat 12 and is fixedly connected with a driving wheel 14, the driving wheel 14 is connected with two driven wheels 16 through a belt 15, the driving wheel 14 and the two driven wheels 16 form a triangle, an upper end of the belt mounting seat 12 is fixedly connected with a pushing rod of a pushing device 17 mounted on a top plate 1b, the pushing device 17 is an air cylinder or a hydraulic lever, in this embodiment, the pushing device 17 is an air cylinder, a sensor 18 for detecting circumferential runout of a motor rotor is further disposed on the bottom plate 1a, the sensor 18 is a laser sensor, and the laser sensor can collect parameters of an excircle of the rotor, and convert the runout of the rotor into the runout.
Referring to fig. 2, a protecting sleeve 22 is disposed outside the axial length measuring potentiometer 20, the protecting sleeve 22 is used for preventing external factors from affecting the accuracy of the axial length measuring potentiometer 20, and a mounting plate 24 is further disposed on the bottom plate 1a for adjusting the overall height.
When the motor rotor is in operation, the motor rotor is placed on the bearing 25, the cylinder 10 is started, the cylinder 10 pushes the lever 8, the lever 8 pushes the movable rod 6 out and enables the motor rotor shaft to abut against the end face of the ejector rod 4, meanwhile, the movable rod 6 can press the rear end face of the motor rotor shaft, after the front end face and the rear end face of the motor rotor shaft are pressed, the belt mounting seat 12 is integrally pressed down under the action of the pushing device 17, the belt 15 between the two driven wheels 16 is pressed on the motor rotor, under the driving of the servo motor 13, the motor rotor shaft is driven to axially move due to friction of the belt 15, and the sensor 18 can synchronously collect parameters of the excircle of the motor rotor, so that the runout of the rotor is converted.
The above-mentioned embodiments are only embodiments of the present utility model, and the present device can improve the work efficiency of dirt suction, prevent the mud-water separation device from being blocked, and reduce the labor capacity of the staff. Modifications and improvements will readily occur to those skilled in the art without departing from the scope of the utility model, and it is intended to cover all such modifications and improvements as would be within the true scope of the utility model.
Claims (8)
1. The utility model provides a motor rotor circumference detection device that beats, includes frame (1), frame (1) comprises roof (1 b), bottom plate (1 a) and many erection columns (1 c), a work piece supporting seat (2), its characterized in that are installed to bottom plate (1 a): the shape of the workpiece support seat (2) is U-shaped, two ends of the workpiece support seat (2) are respectively provided with two bearings (25) for supporting a motor rotor, the right side of the workpiece support seat (2) is fixedly connected with a first support (3), a push rod (4) is fixedly arranged on the first support (3), the left side of the workpiece support seat (2) is fixedly connected with a second support (5), a movable rod (6) is arranged on the second support (5), the movable rod (6) is in sliding fit with the second support (5), the left end of the movable rod (6) is provided with a transverse pin (7), the movable rod (6) is in clamping connection with one end of a lever (8) through the transverse pin (7), the left side of the workpiece support seat (2) is provided with a hinge seat (9), the other end of the lever (8) is also hinged with a cylinder (10) through the transverse pin (7), the left end of the lever (9) is fixedly connected with the middle part of the lever (8) through the other transverse pin (7), the cylinder seat (12) is fixedly arranged on one side of the workpiece support seat (12), the output shaft of the servo motor (13) penetrates through the belt mounting seat (12) to be fixedly connected with a driving wheel (14), the driving wheel (14) is connected with two driven wheels (16) through a belt (15), the driving wheel (14) and the two driven wheels (16) form a triangle, the upper end of the belt mounting seat (12) is fixedly connected with a pushing rod of a pushing device (17) mounted on the top plate (1 b), and a sensor (18) for detecting circumferential runout of a motor rotor is further arranged on the bottom plate (1 a).
2. The motor rotor circumferential runout detection device according to claim 1, wherein: the base plate (1 a) is also provided with a mounting seat (19), an axial length measurement potentiometer (20) is fixedly mounted on the mounting seat (19), and a probe of the axial length measurement potentiometer (20) is tightly attached to the rear end of the movable rod (6).
3. The motor rotor circumferential runout detection device according to claim 2, wherein: the output shaft of the shaft length measurement potentiometer (20) is provided with a compression spring (21).
4. The motor rotor circumferential runout detection device according to claim 1, wherein: the pushing device (17) is an air cylinder or a hydraulic lever.
5. The motor rotor circumferential runout detection device according to claim 1, wherein: the sensor (18) is a laser sensor.
6. The motor rotor circumferential runout detection device according to claim 2, wherein: a protective sleeve (22) is arranged outside the axial length measuring potentiometer (20).
7. The motor rotor circumferential runout detection device according to claim 1, wherein: an open slot (23) is arranged on the belt mounting seat (12) and used for placing the servo motor (13).
8. The motor rotor circumferential runout detection device according to claim 1, wherein: the base plate (1 a) is also provided with a mounting plate (24) for adjusting the height of the whole body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320894563.4U CN219956418U (en) | 2023-04-20 | 2023-04-20 | Motor rotor circumference runout detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320894563.4U CN219956418U (en) | 2023-04-20 | 2023-04-20 | Motor rotor circumference runout detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956418U true CN219956418U (en) | 2023-11-03 |
Family
ID=88541912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320894563.4U Active CN219956418U (en) | 2023-04-20 | 2023-04-20 | Motor rotor circumference runout detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956418U (en) |
-
2023
- 2023-04-20 CN CN202320894563.4U patent/CN219956418U/en active Active
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