CN217687118U - Motor end cover coaxiality detection device - Google Patents
Motor end cover coaxiality detection device Download PDFInfo
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- CN217687118U CN217687118U CN202221770223.2U CN202221770223U CN217687118U CN 217687118 U CN217687118 U CN 217687118U CN 202221770223 U CN202221770223 U CN 202221770223U CN 217687118 U CN217687118 U CN 217687118U
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- end cover
- connecting rod
- displacement sensor
- laser displacement
- detection device
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Abstract
The utility model relates to a motor end cover detection area specifically discloses a motor end cover axiality detection device, comprises a workbench, a driving device, anchor clamps, and first laser displacement sensor, anchor clamps include first magnetism connecting portion, the second magnetism connecting portion of being connected with the cooperation of first magnetism connecting portion, lid and the connecting rod of activity setting on the lid of being connected through elastic component and second magnetism connecting portion, one side of lid is provided with the box body, be provided with movable chamber in the box body, the one end of the inside in activity chamber is provided with the arch, form the spacing groove between the adjacent arch, be provided with the movable hole that supplies the connecting rod to pass and move about on the box body, the one end of connecting rod is provided with the fly leaf, be provided with on the fly leaf with spacing groove joint complex stopper, the utility model discloses a first magnetism connecting portion is fixed with the end cover centre gripping with second magnetism connecting portion, after starting driving device, can rotate the end cover through frictional force, realize the high-speed joint detection to the end cover, improve detection efficiency.
Description
Technical Field
The utility model relates to a motor end cover detects technical field, especially relates to a motor end cover axiality detection device.
Background
The motor end cover sets up the both ends at the motor fuselage for bear the pivot of rotor, be provided with the bearing chamber who holds rotor bearing at the center of end cover, in order to guarantee motor even running, the center of this bearing chamber should coincide with the center of the circle in the end cover mutually, and the eccentricity is zero promptly. However, in actual production, due to the process, the machining precision and the like, the eccentricity of the motor end cover cannot be zero, namely, the center of the bearing chamber has a certain distance with the center of the inner circle of the end cover. In order to ensure that the motor can normally run, the eccentricity of the motor end cover must be smaller than a certain index, so that for a motor manufacturer, the coaxiality of the motor end cover produced or fed by the manufacturer is measured, the motor end cover with overlarge eccentricity is prevented from being assembled on the motor, and the quality of the motor is ensured. The existing measurement to the eccentricity, connect the end cover on the axis of rotation, measure the radius data of the centre of the interior circle of the end cover of the electrical machinery to the bearing room, divide the difference of the longest radius and the shortest radius by 2, get the eccentricity of the end cover of the electrical machinery. In the measuring process, the motor end cover needs to be fixed with the rotating shaft through a special tool, so that the installation is troublesome, and the detection efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the measurement process that exists among the prior art, need with the motor end cover through dedicated frock with the axis of rotation is fixed, and the installation is troublesome, influences the shortcoming of the efficiency that detects, and the motor end cover axiality detection device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a motor end cover axiality detection device, includes the workstation, sets up drive arrangement on the workstation, with anchor clamps that drive arrangement's output is connected and be used for detecting the interior circle of end cover to the radial first laser displacement sensor at the center of bearing room, anchor clamps include first magnetism connecting portion, with second magnetism connecting portion that first magnetism connecting portion cooperation is connected, through the elastic component with lid and the activity that second magnetism connecting portion are connected set up connecting rod on the lid, one side of lid is provided with the box body, be provided with movable chamber in the box body, the one end of the inside in activity chamber is provided with the arch, forms the spacing groove between the adjacent arch, be provided with the confession on the box body the connecting rod passes and the activity hole of activity, the one end of connecting rod is provided with the fly leaf, be provided with on the fly leaf with spacing groove joint complex stopper, the fly leaf can follow in the activity chamber the axial displacement of connecting rod, work as after stopper and the spacing groove joint, drive arrangement's output can drive second magnetism connecting portion and rotate through the connecting rod, work as after stopper and the spacing groove separation, the connecting rod can be followed in the activity intracavity the radial displacement sensor of connecting rod.
Preferably, the workbench is provided with a first support and a third support respectively, the driving device is fixed on the first support, the third support is rotatably provided with a rotating shaft, one end of the rotating shaft is connected with an output shaft of the driving device, and the other end of the rotating shaft is provided with a connecting hole connected with the connecting rod.
Preferably, a second support is arranged on the workbench, a first guide rail is arranged on the second support, a first sliding block is arranged in the first guide rail, a first moving rod is arranged at one end of the first sliding block, and the first laser displacement sensor is detachably fixed on the first moving rod.
Preferably, the device further comprises a second laser displacement sensor for detecting the distance from the end part of the end cover to the first laser displacement sensor.
Preferably, a second support is arranged on the workbench, a second guide rail is arranged on the second support, a second sliding block is arranged in the second guide rail, a second moving rod is arranged at one end of the second sliding block, and the second laser displacement sensor is detachably fixed on the second moving rod.
Preferably, the elastic part comprises a first connecting rod, a second connecting rod and a spring, the first connecting rod is connected with the second magnetic connecting part, the first connecting rod is movably arranged at one end of the second connecting rod, the second connecting rod is connected with the cover body, the spring is arranged in the second connecting rod, one end of the spring is connected with the first connecting rod, and the other end of the spring is connected with the second connecting rod.
Preferably, the system further comprises a case and a display device, wherein the case and the display device are arranged on the workbench, a programmable logic controller is arranged in the case, and a data memory is arranged in the case.
Preferably, the programmable logic controller is used for calculating the maximum value smax and the minimum value smin of the distance from the end part of the end cover to the first laser displacement sensor, which is acquired by the second laser displacement sensor, calculating the maximum value rmax and the minimum value rmin of the radius from the inner circle of the end cover to the center of the bearing chamber, and calculating the inclination angle alpha of the end cover.
The utility model has the advantages that:
the utility model discloses in inserting the axis of rotation with the connecting rod, slightly rotate the lid and press for the stopper card is gone into the spacing inslot, and is fixed with the end cover centre gripping through first magnetism connecting portion and second magnetism connecting portion, after starting drive arrangement, can rotate the end cover through frictional force, realizes detecting the high-speed joint of end cover, improves detection efficiency.
Drawings
Fig. 1 is a perspective view of a motor end cap coaxiality detection device provided by the present invention;
fig. 2 is a perspective view of the motor end cover coaxiality detection device shown in fig. 1 from another view angle;
fig. 3 is a front view of a motor end cover coaxiality detection device shown in fig. 1;
FIG. 4 is a perspective view of the motor end cover coaxiality detection apparatus shown in FIG. 2, with the end cover and a part of the clamp omitted;
fig. 5 is a perspective view of the clamp of the motor end cover coaxiality detection device provided by the present invention after the first magnetic connection portion is omitted;
FIG. 6 is a perspective view of the clamp shown in FIG. 5 with the movable plate mounted in the cassette;
FIG. 7 is a top view of a motor end cap coaxiality detection apparatus shown in FIG. 1;
FIG. 8 isbase:Sub>A cross-sectional view taken at A-A of FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 8 at B;
fig. 10 is a schematic diagram of the principle of the device for detecting the coaxiality of the motor end cover according to the present invention.
In the figure: 1 second laser displacement sensor, 2 first laser displacement sensor, 3 end cover, 4 rotation axes, 41 connecting holes, 5 second support, 6 machine box, 7 display device, 8 working table, 9 first support, 10 driving device, 11 first magnetic connecting part, 12 second moving rod, 13 second sliding block, 14 first sliding block, 15 first moving rod, 16 third support, 17 cover body, 18 box body, 181 bulge, 182 movable cavity, 183 spacing groove, 184 movable hole, 19 elastic part, 191 first connecting rod, 192 spring, 193 second connecting rod, 20 second magnetic connecting part, 21 connecting rod, 22 movable plate, 221 spacing block.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 10, a motor end cap coaxiality detection device includes a workbench 8, a driving device 10 disposed on the workbench 8, a clamp connected to an output end of the driving device 10, and a first laser displacement sensor 2 for detecting a radius from an inner circle of an end cap 3 to a center of a bearing chamber, where the clamp includes a first magnetic connecting portion 11, a second magnetic connecting portion 20 cooperatively connected to the first magnetic connecting portion 11, a cover 17 connected to the second magnetic connecting portion 20 through an elastic member 19, and a connecting rod 21 movably disposed on the cover 17, one side of the cover 17 is provided with a box 18, a movable cavity 182 is disposed in the box 18, one end of the movable cavity 182 is provided with a protrusion 181, a limiting groove 183 is formed between adjacent protrusions 181, a movable hole 184 is disposed on the box 18 through which the connecting rod 21 passes and moves, one end of the connecting rod 21 is provided with a movable plate 22, the movable plate 22 is provided with a limiting block 221 cooperatively engaged with the limiting groove 183, the movable plate 22 can move in the movable cavity 182 along an axial direction of the connecting rod 21, when the connecting rod 221 and the movable hole 184 and the connecting rod 221 drive the connecting rod 21 to move along the limiting groove 183, the limiting block 22, and the connecting rod 21 can rotate along the axial direction of the limiting block 21, and the limiting block 22 can drive the second magnetic connecting rod 21 to separate from the limiting groove 183, and the limiting block 21.
Be connected end cover 3 through anchor clamps and drive arrangement 10's output, it is concrete, drive arrangement 10's output is connected with axis of rotation 4, passes end cover 3's centre bore axis of rotation 4, then stimulate connecting rod 21 for stopper 221 and spacing groove 183 on the fly leaf 22 separate, after the position of adjustment connecting rod 21 on lid 17, be connected connecting rod 21 and axis of rotation 4, second magnetism connecting portion 20 stretches into the bearing room of end cover 3 indoor back and is connected with first magnetism connecting portion 11 magnetism, slightly rotate lid 17 and press, make stopper 221 card go into in the spacing groove 183, stopper 221 and spacing groove joint can be guaranteed to elastomeric element 19. Then, the driving device 10 is started, and the end cap 3 can be rotated by friction force since the first magnetic connecting part 11 and the second magnetic connecting part 20 clamp and fix the end cap 3. Radius data from the inner circle of the end cover 3 to the center of the bearing chamber are obtained through the first laser displacement sensor 2, the difference value between the longest radius rmax and the shortest radius rmin is divided by 2 to obtain the eccentricity of the motor end cover 3, and the coaxiality of the end cover 3 can be detected quickly and efficiently.
The workbench 8 is provided with a first bracket 9, a second bracket 5 and a third bracket 16. The driving device 10 is fixed to the first bracket 9, and in this embodiment, the driving device 10 is a servo motor. The laser displacement sensor is characterized in that a first guide rail is arranged on the second support 5, a first sliding block 14 is arranged in the first guide rail, a first moving rod 15 is arranged at one end of the first sliding block 14, and the first laser displacement sensor 2 is detachably fixed on the first moving rod 15. The first slider 14 is provided with a fixing device for fixing the first slider 14 to the first guide rail to fix the height position of the first moving bar 15. The third support 16 is rotatably provided with a rotating shaft 4, one end of the rotating shaft 4 is connected with an output shaft of the servo motor, and the other end of the rotating shaft 4 is provided with a connecting hole 41 connected with the connecting rod 21.
The elastic member 19 includes a first link 191, a second link 193, and a spring 192, the first link 191 is connected to the second magnetic coupling portion 20, the first link 191 is movably disposed at one end of the second link 193, the second link 193 is connected to the cover 17, the spring 192 is disposed in the second link 193, one end of the spring 192 is connected to the first link 191, and the other end of the spring 192 is connected to the second link 193. Through elastic component 19, after first magnetism connecting portion 11 and second magnetism connecting portion 20 are connected through magnetism, can guarantee stopper 221 on the fly leaf 22 with the spacing groove 183 joint is fixed, can drive after axis of rotation 4 drives connecting rod 21 and rotates lid 17 and second magnetism connecting portion 20 rotate, through the centre gripping of first magnetism connecting portion 11 and second magnetism connecting portion 20 to end cover 3 for end cover 3 rotates.
And the second laser displacement sensor 1 is used for detecting the distance from the end part of the end cover 3 to the first laser displacement sensor 2. Please refer to fig. 10, the utility model discloses improved the convenience that end cover 3 is connected with drive arrangement 10's output, in order to guarantee the authenticity that first laser displacement sensor 2 measured, reduce measuring error, avoid because the measuring error that end cover 3 slope leads to, measure the tip of end cover 3 through second laser displacement sensor 1 to first laser displacement sensor 2's distance, after obtaining longest distance smax and shortest distance smin, calculate the inclination alpha of end cover 3, when alpha is less than the threshold value, the eccentricity that obtains through the data calculation that first laser displacement sensor 2 obtained is the available value.
Wherein the inclination angle alpha is arctan [ (smax-smin)/(rmax + rmin) ].
Specifically, a second guide rail is arranged on the second support 5, a second sliding block 13 is arranged in the second guide rail, a second moving rod 12 is arranged at one end of the second sliding block 13, and the second laser displacement sensor 1 is detachably fixed on the second moving rod 12.
In a preferred embodiment, the system further comprises a case 6 and a display device 7 which are arranged on the workbench 8, wherein a programmable logic controller is arranged in the case 6 and is used for calculating data in the first laser displacement sensor 2 and the second laser displacement sensor 1, a data storage is arranged in the case 6 and is used for storing data in the first laser displacement sensor 2 and the second laser displacement sensor 1, and the display device 7 is used for displaying data in the first laser displacement sensor 2 and the second laser displacement sensor 1, the calculated eccentricity amount and the inclination angle α.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (8)
1. The motor end cover coaxiality detection device is characterized by comprising a workbench (8), a driving device (10) arranged on the workbench (8), a clamp connected with an output end of the driving device (10), and a first laser displacement sensor (2) used for detecting the radius from the inner circle of an end cover (3) to the center of a bearing chamber, wherein the clamp comprises a first magnetic connecting part (11), a second magnetic connecting part (20) matched and connected with the first magnetic connecting part (11), a cover body (17) connected with the second magnetic connecting part (20) through an elastic piece (19), and a connecting rod (21) movably arranged on the cover body (17), a box body (18) is arranged on one side of the cover body (17), a movable cavity (182) is arranged in the box body (18), a bulge (181) is arranged at one end of the inner part of the movable cavity (182), a limit groove (183) is formed between adjacent bulges (181), a movable hole (184) for the connecting rod (21) to penetrate through and move is arranged on the box body (18), a movable hole (184) is arranged at one end of the connecting rod (21), a movable plate (22) is arranged at one end of the movable cavity (182), a clamping connection rod (22) is arranged on the movable plate (221), a limit groove (183) is arranged on the movable plate (22), and the movable plate (22) is arranged in the movable cavity (21) and can be matched and the limit block (21), work as behind stopper (221) and spacing groove (183) joint, the output of drive arrangement (10) can drive second magnetism connecting portion (20) through connecting rod (21) and rotate, work as stopper (221) and spacing groove (183) separation back, fly leaf (22) can follow in activity chamber (182) the radial movement of connecting rod (21).
2. The motor end cover coaxiality detection device according to claim 1, wherein a first support (9) and a third support (16) are respectively arranged on the workbench (8), the driving device (10) is fixed on the first support (9), a rotating shaft (4) is rotatably arranged on the third support (16), one end of the rotating shaft (4) is connected with an output shaft of the driving device (10), and a connecting hole (41) connected with the connecting rod (21) is formed in the other end of the rotating shaft (4).
3. The motor end cover coaxiality detection device according to claim 1, wherein a second support (5) is arranged on the workbench (8), a first guide rail is arranged on the second support (5), a first sliding block (14) is arranged in the first guide rail, a first moving rod (15) is arranged at one end of the first sliding block (14), and the first laser displacement sensor (2) is detachably fixed on the first moving rod (15).
4. The motor end cover coaxiality detection device according to claim 1, further comprising a second laser displacement sensor (1) for detecting the distance from the end of the end cover (3) to the first laser displacement sensor (2).
5. The motor end cover coaxiality detection device according to claim 4, wherein a second support (5) is arranged on the workbench (8), a second guide rail is arranged on the second support (5), a second sliding block (13) is arranged in the second guide rail, a second moving rod (12) is arranged at one end of the second sliding block (13), and the second laser displacement sensor (1) is detachably fixed on the second moving rod (12).
6. The motor end cover coaxiality detection device according to claim 1, wherein the elastic member (19) comprises a first connecting rod (191), a second connecting rod (193) and a spring (192), the first connecting rod (191) is connected with the second magnetic connecting portion (20), the first connecting rod (191) is movably arranged at one end of the second connecting rod (193), the second connecting rod (193) is connected with the cover body (17), the spring (192) is arranged in the second connecting rod (193), one end of the spring (192) is connected with the first connecting rod (191), and the other end of the spring (192) is connected with the second connecting rod (193).
7. The motor end cover coaxiality detection device according to claim 4, further comprising a case (6) and a display device (7) which are arranged on the workbench (8), wherein a programmable logic controller is arranged in the case (6), and a data storage device is arranged in the case (6).
8. The motor end cover coaxiality detection device according to claim 7, wherein the programmable logic controller is used for calculating a maximum value smax and a minimum value smin of the distance from the end part of the end cover (3) to the first laser displacement sensor (2) acquired by the second laser displacement sensor (1), calculating a maximum value rmax and a minimum value rmin of the radius from the inner circle of the end cover (3) to the center of the bearing chamber, and calculating the inclination angle alpha of the end cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770223.2U CN217687118U (en) | 2022-07-08 | 2022-07-08 | Motor end cover coaxiality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221770223.2U CN217687118U (en) | 2022-07-08 | 2022-07-08 | Motor end cover coaxiality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687118U true CN217687118U (en) | 2022-10-28 |
Family
ID=83715162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221770223.2U Active CN217687118U (en) | 2022-07-08 | 2022-07-08 | Motor end cover coaxiality detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687118U (en) |
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2022
- 2022-07-08 CN CN202221770223.2U patent/CN217687118U/en active Active
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