CN217787366U - Rapid precision adjusting equipment for motor rack - Google Patents
Rapid precision adjusting equipment for motor rack Download PDFInfo
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- CN217787366U CN217787366U CN202221227019.6U CN202221227019U CN217787366U CN 217787366 U CN217787366 U CN 217787366U CN 202221227019 U CN202221227019 U CN 202221227019U CN 217787366 U CN217787366 U CN 217787366U
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Abstract
The application discloses a quick accurate adjustment equipment for motor rack includes: the laser alignment instrument is characterized in that a first measurer and a second measurer of the laser alignment instrument are respectively and oppositely arranged on the left side and the right side of a second coupler of the accompanying motor and used for detecting height adjustment values of four corners of the bottom of a second motor support of the accompanying motor; the four height adjusting devices are respectively hinged to the four bottom corners of the four corners of the second motor support through universal hinge devices and are used for adjusting the heights of the four bottom corners of the four corners of the second motor support; the four motor executing mechanisms are respectively in driving connection with the height adjusting devices and used for providing power for the height adjusting devices; and the adjustment control device is in circuit connection with the motor executing mechanisms and is used for controlling each motor executing mechanism to drive the corresponding height adjusting device to adjust the height of the four corners of the bottom of the second motor support. This application can be fast convenient realization motor test rack's centering is adjusted.
Description
Technical Field
The application relates to the technical field of testing, in particular to quick precision adjustment equipment for a motor rack.
Background
The motor is an indispensable role in national production and life as a driving device for various devices. Simultaneously, in the development and the production process of motor, the motor rack test is indispensable, and in this test process, there is often the shafting centering problem of accompanying and testing motor and measured motor, need adjust the motor support of accompanying and testing motor or measured motor and carry out the shafting centering.
At present, the common centering adjustment method is to add copper sheets at four corners of the bottom of a motor support for height adjustment, and the method has the problems of long adjustment time consumption and poor accuracy. In recent years, with the increasing of the rotating speed of a newly developed motor, the requirement on the shafting centering precision of a motor test bench is also increased, and the centering requirement is difficult to realize conveniently and quickly by the original copper pad adjusting method. Therefore, a novel adjusting device is provided, and the centering adjustment requirement of the motor test bench can be quickly and conveniently realized.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a quick precision adjustment equipment for motor rack to solve the technical problems that the centering adjustment of the existing motor test rack is long in time consumption and poor in precision.
The technical scheme adopted by the application is as follows:
a rapid fine adjustment device for a motor gantry, comprising:
the laser alignment instrument is characterized in that a first measurer and a second measurer of the laser alignment instrument are respectively and oppositely arranged on the left side and the right side of a second coupler of the accompanying motor and used for detecting height adjustment values of four corners of the bottom of a second motor support of the accompanying motor;
the four height adjusting devices are respectively hinged to the four bottom corners of the four corners of the second motor support through universal hinge devices and are used for adjusting the heights of the four bottom corners of the four corners of the second motor support;
the four motor executing mechanisms are respectively in driving connection with the height adjusting devices and used for providing power for the height adjusting devices;
and the adjustment control device is in circuit connection with the motor executing mechanisms and is used for controlling each motor executing mechanism to drive the corresponding height adjusting device to adjust the height of the four corners of the bottom of the second motor support according to the height adjustment values of the four corners of the bottom of the second motor support, so that the axis of the motor under test and the axis of the motor to be tested meet the set alignment requirement in the height direction.
Further, the height adjusting device includes:
the upper inclined block is hinged in rectangular grooves at four corners of the bottom of the second motor support through a universal hinge device;
the lower inclined block is arranged in the rectangular groove and is positioned below the upper inclined block, the lower inclined block can only slide linearly along the length direction of the rectangular groove, and an upper inclined plane of the lower inclined block is attached to a lower inclined plane of the upper inclined block;
and the adjusting screws are rotatably arranged at four corners of the bottom of the second motor support, one ends of the adjusting screws extend into the rectangular grooves and are in threaded connection with the lower inclined blocks, and the other ends of the adjusting screws are in driving connection with the output end of the motor actuating mechanism.
Further, the universal hinge apparatus includes:
the hinge shafts are fixedly arranged at four corners of the bottom of the second motor support and transversely penetrate through the rectangular grooves and the hinge holes of the upper inclined blocks;
and a fixed inner ring of the joint bearing is fixed on the hinge shaft, and a movable outer ring of the joint bearing is fixed in the hinge hole of the upper inclined block.
Furthermore, the inclined angles of the upper inclined plane of the lower inclined block and the lower inclined plane of the upper inclined block are both 8-14 degrees.
Furthermore, the four corners side of second motor support bottom is provided with through screw detachably installation with the second motor support encloses jointly and forms the lower sloping piece limiting plate of rectangle recess.
Further, adjusting screw is provided with the shaft shoulder, the four corners side of the bottom of second motor support still be provided with the shaft shoulder cooperatees the restriction screw axial displacement's screw limiting plate.
Further, the motor actuator includes:
the pulse motor is used for outputting a set corner or step number according to the pulse signal output by the adjusting controller;
the input end of the speed reducer is in driving connection with the output end of the pulse motor, and the output end of the speed reducer is in driving connection with the input end of the corresponding height adjusting device through the speed reducer adapter.
Further, the pulse motor comprises a stepping motor and a servo motor.
Further, the speed reducer comprises a planetary speed reducer and a harmonic speed reducer.
Further, the adjustment control device includes:
the controller is in circuit connection with the motor executing mechanisms and is used for controlling each motor executing mechanism to drive the corresponding height adjusting device to adjust the height of the four corners of the bottom of the second motor support according to the height adjusting values of the four corners of the bottom of the second motor support measured by the laser centering instrument, so that the axis of the motor under test and the axis of the motor to be measured meet the set centering requirement in the height direction;
and the human-computer interaction panel is in signal connection with the controller and is used for receiving the height adjustment values of the four corners at the bottom of the second motor support, starting adjustment and outputting an adjustment result, wherein the height adjustment values are input by a user.
Compared with the prior art, the method has the following beneficial effects:
the application provides a quick and precise adjusting device for a motor rack, which comprises a laser centering instrument, four height adjusting devices, four motor actuating mechanisms and an adjusting control device, wherein a first measurer and a second measurer of the laser centering instrument are respectively and oppositely arranged on the left side and the right side of a second coupler of a test-accompanying motor and are used for detecting height adjusting values of four corners of the bottom of a second motor support of the test-accompanying motor; the four height adjusting devices are respectively hinged to the four bottom corners of the four corners of the second motor support through universal hinge devices and are used for adjusting the heights of the four bottom corners of the four corners of the second motor support; the four motor executing mechanisms are respectively in driving connection with each height adjusting device and are used for providing power for each height adjusting device; the adjustment control device with motor actuating mechanism circuit connection for according to each motor actuating mechanism of height adjustment value control of second motor support bottom four corners, compare prior art, this application has following characteristics:
1. the heights of four corners of the motor support are continuously adjustable, so that the problems of low efficiency and poor precision in a mode of repeatedly increasing and decreasing the copper sheet pad height are solved;
2. the adjustment is quick, and no matter where the height difference exists, the quick centering can be realized through single-point adjustment of the corresponding motor actuating mechanism and the height adjusting device;
3. each adjusted contact part is in surface contact, has a self-locking function, is safe and reliable, and avoids shafting deviation from occurring again in the using process;
4. the adjusting process is electrically driven automatic adjustment, and the accuracy and the rapidness of adjustment are realized.
In addition to the objects, features and advantages described above, other objects, features and advantages will be apparent from the present application. The present application will now be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a schematic diagram of the use of the conditioning apparatus of the preferred embodiment of the present application in a motor test rig.
Fig. 2 is a schematic (partial) top view of an adjustment device of a preferred embodiment of the present application.
FIG. 3 is a schematic partial cross-sectional view of a height adjustment mechanism according to a preferred embodiment of the present application.
Fig. 4 isbase:Sub>A schematic sectional view taken along linebase:Sub>A-base:Sub>A in fig. 3.
FIG. 5 is a schematic diagram of a human-computer interaction panel interface in accordance with a preferred embodiment of the present application.
FIG. 6 is a schematic laser centering indexing of the preferred embodiment of the present application.
In the figure: 1. a motor to be tested; 2. a first motor support; 3. a first coupling; 4. a torque sensor; 5. a first measurer; 6. a second coupling; 7. a second measurer; 8. a second motor support; 9. the motor is tested; 10. a height adjustment device; 11. a motor actuator; 12. a pulse motor; 13. a speed reducer; 14. an upper inclined block; 15. a lower inclined block; 16. an adjusting screw; 17. a speed reducer adapter; 18. a screw limiting plate; 19. a knuckle bearing; 20. hinging a shaft; 21. a lower inclined block limiting plate; 22. a human-computer interaction panel.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, the present embodiment provides a fast fine adjustment apparatus for a motor rack, which includes a laser centering instrument, four height adjustment devices 10, four motor actuators 11, and an adjustment control device, wherein:
the first measurer 5 and the second measurer 7 of the laser centering instrument are respectively and oppositely arranged at the left side and the right side of the second coupler 6 of the accompanying test motor 9 and are used for detecting height adjustment values of four corners of the bottom of the second motor support 8 of the accompanying test motor 9;
the four height adjusting devices 10 are respectively hinged to the four bottom corners of the four corners 8 of the second motor support through universal hinge devices and used for adjusting the heights of the four bottom corners 8 of the second motor support, the four height adjusting devices can be mutually independent through the universal hinge devices, and the height adjustment of each position can be realized to be +/-0.7 mm;
the four motor executing mechanisms 11 are respectively in driving connection with each height adjusting device 10 and are used for providing power for each height adjusting device 10;
the adjustment control device is in circuit connection with the motor executing mechanisms 11 and is used for controlling each motor executing mechanism 11 to drive the corresponding height adjusting device 10 to adjust the height of the four corners of the bottom of the second motor support 8 according to the height adjustment values of the four corners of the bottom of the second motor support 8, so that the axis of the accompanying motor 9 and the axis of the tested motor 1 meet the set centering requirement in the height direction.
Specifically, as shown in fig. 3 and 4, the height adjusting device 10 includes an upper inclined block 14, a lower inclined block 15, and an adjusting screw 16, wherein:
the upper inclined block 14 is hinged in rectangular grooves at four corners of the bottom of the second motor support 8 through a universal hinge device;
the lower inclined block 15 is arranged in the rectangular groove and is positioned below the upper inclined block 14, the lower inclined block can only slide linearly along the length direction of the rectangular groove, and the upper inclined surface of the lower inclined block 15 is attached to the lower inclined surface of the upper inclined block 14;
the adjusting screws 16 are rotatably arranged at four corners of the bottom of the second motor support 8, one end of each adjusting screw extends into the rectangular groove to be connected with the lower inclined block 15 in a threaded mode, and the other end of each adjusting screw is in driving connection with the output end of the motor executing mechanism 11.
In this embodiment, the adjusting screw 16 can only rotate, and in the rotating process of the adjusting screw 16, the rotating motion is converted into the linear motion of the lower inclined block 15 along the length direction of the rectangular groove by using threads, and then the heights of the upper inclined block 14 and the second motor support 8 are adjusted under the action of the inclined plane.
Specifically, as shown in fig. 4, the universal hinge device includes a hinge shaft 20, and a joint bearing 19, wherein:
the hinge shafts 20 are fixedly arranged at four corners of the bottom of the second motor support 8 and cross hinge holes of the rectangular groove and the upper inclined block 14;
the fixed inner ring of the joint bearing 19 is fixed on the hinge shaft 20, and the movable outer ring of the joint bearing 19 is fixed in the hinge hole of the upper inclined block 14 except for the joint bearing 19.
In this embodiment, the universal hinge device includes a hinge shaft 20 and a joint bearing 19, and through the joint bearing 19, during the adjustment process, since the four corners of the bottom of the second motor support 8 are not located on the horizontal plane, a small inclination angle may occur between the second motor support 8 and the upper sloping block 14, and the inclination angle is compensated by the joint bearing 19, thereby avoiding the mutual interference phenomenon at the four corners of the bottom of the second motor support 8 during the adjustment process, and this embodiment may also be replaced by a similar universal hinge device such as a ball hinge.
Specifically, the inclination angles of the upper inclined plane of the lower inclined block 15 and the lower inclined plane of the upper inclined block 14 are both 8-14 degrees, so that a certain self-locking function is realized between the inclined blocks, and shafting deviation is avoided from appearing again in the use process.
Specifically, as shown in fig. 4, the four corner sides of the bottom of the second motor support 8 are detachably mounted by screws and form the lower inclined block limiting plate 21 of the rectangular groove together with the second motor support 8, so that the installation of the inclined block is facilitated.
Specifically, as shown in fig. 3, the adjusting screw 16 is provided with a shoulder, and four corner sides of the bottom of the second motor support 8 are further provided with screw limiting plates 18 which cooperate with the shoulder to limit axial movement of the adjusting screw 16.
The adjusting screw 16 of the present embodiment has a finished shoulder, and is constrained to the second motor support 8 by a screw limiting plate 18, and can only rotate but cannot move axially.
Specifically, the motor actuator 11 includes a pulse motor 12 and a speed reducer 13, wherein:
the pulse motor 12 is used for outputting a set rotation angle or step number according to a pulse signal output by the adjustment controller, and the pulse motor 12 includes a stepping motor, a servo motor and the like.
The input end of the speed reducer 13 is in driving connection with the output end of the pulse motor 12, the output end of the speed reducer is in driving connection with the input end of the corresponding height adjusting device 10 through the speed reducer adapter 17, the speed reducer 13 comprises a planetary speed reducer, a harmonic speed reducer and the like, the planetary speed reducer is adopted in the embodiment, and the rotation of the stepping motor is converted into the up-and-down movement of an inclined block after being transmitted through the planetary speed reducer and the threads of the adjusting screw 16, so that the height adjustment of the motor support is realized.
Specifically, the adjustment control device comprises a controller and a human-computer interaction panel 22, wherein:
the controller is in circuit connection with the motor executing mechanisms 11, adopts a conventional PLC or embedded system, and is used for controlling each motor executing mechanism 11 to drive the corresponding height adjusting device 10 to adjust the height of the four corners at the bottom of the second motor support 8 according to the height adjusting value of the four corners at the bottom of the second motor support 8 measured by the laser centering instrument, so that the axis of the accompanying motor 9 and the axis of the tested motor 1 meet the set centering requirement in the height direction;
the human-computer interaction panel 22 is in signal connection with the controller, and is configured to receive user input of height adjustment values of the four corners of the bottom of the second motor support 8, start adjustment, and output an adjustment result (see fig. 5).
The working principle of the rapid fine adjustment device provided by the embodiment comprises the following steps:
all the weight on the second motor support 8 acts on the upper inclined block 14 through the hinge shaft 20 and the joint bearing 19, so that the upper inclined block 14 is always attached to the lower inclined block 15; when the adjusting screw 16 rotates, the lower inclined block 15 moves back and forth under the action of the thread thrust of the adjusting screw 16, and the upper inclined block 14 moves upwards or downwards along with the movement of the abutting surface of the inclined block; after the adjusting screw 16 is adjusted in place, the contact surface of the upper inclined block 14 and the lower inclined block 15 is self-locked because the inclination of the inclined blocks is small enough, and the sliding between the two inclined blocks can not occur. During adjustment, a small angle of inclination between the second motor support 8 and the upper swash block 14 occurs, which is compensated by the spherical plain bearing 19.
The electric actuating mechanism is formed by connecting a small stepping motor and a large-speed-ratio planetary reducer in series, an output shaft of the planetary reducer is rigidly connected with the adjusting screw 16 through a coupler, the output shaft and the adjusting screw can synchronously rotate, and finally, the circular motion of the output shaft of the stepping motor is converted into the up-and-down motion of the inclined block. The proportional relation between the step length of the stepping motor and the vertical displacement of the inclined block can be accurately calculated through the transmission ratio parameter of the planetary reducer, the pitch parameter of the adjusting screw and the inclination parameter of the inclined block, a person skilled in the art can obtain the pulse number according to the measured height adjustment value and the proportional relation between the step length and the vertical displacement of the inclined block, the specific process is a conventional technical means, the person skilled in the art can set according to actual parameters, and the details are not repeated.
The adjusting control device adopts a PLC or an embedded system to design an adjusting controller, the controller carries out proportional calculation according to a height adjusting value input by a user to obtain the rotating step number required by each stepping motor, then step number data is converted into pulse signals to be sent to each executing stepping motor, and independent adjustment of four-point height is realized.
The contents of the man-machine interaction panel 22 of the adjustment control device are as shown in fig. 5, and four points of the height to be adjusted are accurately measured by using a laser centering instrument, and then the measurement results are filled in the corresponding positions on the man-machine interaction panel. After a start button is pressed down, the motors of all the adjusting mechanisms perform adjusting actions according to input values, and after the adjustment is finished, the man-machine interaction panel displays that the adjustment is finished; and the laser centering instrument is used again for height detection, and manual intervention is not needed in the adjusting process except for measuring and filling the adjusting value.
Example of laser centering instrument measurement adjustment values: fixing a first measurer 5 and a second measurer 7 (shown in fig. 1) of the laser centering instrument on a coupler to be centered, adjusting the first measurer 5 and the second measurer 7 to proper positions on the left side and the right side of the highest point (point A) of a rotating shaft, and inputting parameters required by equipment into a display instrument of the laser centering instrument, wherein the parameters comprise distance values of the first measurer 5 and the second measurer 7, geometric distances between height adjusting devices 10 and the like; the first measuring device 5 and the second measuring device 7 are rotated to B, C, D (shown in fig. 6), at this time, the display device of the laser centering instrument displays the height adjustment values of the four points at the bottom of the second motor support 8, the process of measuring the height adjustment values by the laser centering instrument is the prior art, and is not repeated here, the measured height adjustment values of the four points are correspondingly filled into the human-computer interaction panel 22 of the adjustment control device, the adjustment can be started after the adjustment start key is pressed, and after the adjustment is completed, the human-computer interaction panel 22 prompts that the adjustment is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not to be construed as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the scope of the present application.
Claims (10)
1. A rapid precision adjustment device for a motor gantry, comprising:
the laser alignment instrument is characterized in that a first measurer (5) and a second measurer (7) of the laser alignment instrument are respectively and oppositely arranged on the left side and the right side of a second coupler (6) of an accompanying motor (9) and used for detecting height adjustment values of four corners of the bottom of a second motor support (8) of the accompanying motor (9);
the four height adjusting devices (10) are respectively hinged to the four bottom corners of the four corners of the second motor support (8) through universal hinge devices and are used for adjusting the heights of the four bottom corners of the four corners of the second motor support (8);
the four motor executing mechanisms (11) are respectively in driving connection with the height adjusting devices (10) and are used for providing power for the height adjusting devices (10);
and the adjustment control device is in circuit connection with the motor executing mechanisms (11) and is used for controlling each motor executing mechanism (11) to drive the corresponding height adjusting device (10) to adjust the height of the four corners at the bottom of the second motor support (8) according to the height adjusting values of the four corners at the bottom of the second motor support (8), so that the axis of the accompanying motor (9) and the axis of the tested motor (1) meet the set centering requirement in the height direction.
2. The rapid precision adjustment device for motor gantries according to claim 1, characterized in that the height adjustment means (10) comprise:
the upper inclined block (14) is hinged in rectangular grooves at four corners of the bottom of the second motor support (8) through a universal hinge device;
the lower inclined block (15) is arranged in the rectangular groove, is positioned below the upper inclined block (14) and can only slide linearly along the length direction of the rectangular groove, and the upper inclined surface of the lower inclined block (15) is attached to the lower inclined surface of the upper inclined block (14);
and the adjusting screws (16) are rotatably arranged at four corners of the bottom of the second motor support (8), one ends of the adjusting screws extend into the rectangular grooves and are in threaded connection with the lower sloping block (15), and the other ends of the adjusting screws are in driving connection with the output end of the motor executing mechanism (11).
3. A rapid precision adjustment device for motor gantries according to claim 2, characterized in that the gimbal point comprises:
the hinge shafts (20) are fixedly arranged at four corners of the bottom of the second motor support (8) and transversely penetrate through the rectangular grooves and the hinge holes of the upper inclined blocks (14);
and a fixed inner ring of the joint bearing (19) is fixed on the hinge shaft (20), and a movable outer ring of the joint bearing (19) is fixed in a hinge hole of the upper inclined block (14).
4. The rapid fine adjustment device for motor stands according to claim 2, characterized in that the inclination angles of the upper inclined plane of the lower inclined block (15) and the lower inclined plane of the upper inclined block (14) are both 8 ° to 14 °.
5. The rapid fine adjustment device for the motor stand according to claim 2, wherein the four corner sides of the bottom of the second motor support (8) are detachably mounted with lower inclined block limiting plates (21) which form the rectangular groove together with the second motor support (8) by screws.
6. The rapid precision adjustment device for motor gantries according to claim 2, characterized in that the adjustment screw (16) is provided with a shoulder, and the four corner sides of the bottom of the second motor support (8) are further provided with screw stop plates (18) cooperating with the shoulder to limit the axial movement of the adjustment screw (16).
7. The rapid precision adjustment device for motor gantries according to claim 1, characterized in that the motor actuator (11) comprises:
the pulse motor (12) is used for outputting a set rotation angle or step number according to the pulse signal output by the adjusting controller;
the input end of the speed reducer (13) is in driving connection with the output end of the pulse motor (12), and the output end of the speed reducer is in driving connection with the input end of the corresponding height adjusting device (10) through a speed reducer adapter (17).
8. The rapid precision adjustment device for motor gantries according to claim 7, characterized in that the pulse motor (12) comprises a stepper motor, a servo motor.
9. The rapid precision adjustment device for motor gantries according to claim 7, characterized in that the reducer (13) comprises a planetary reducer, a harmonic reducer.
10. The rapid precision adjustment device for motor gantries of claim 1, characterized in that the adjustment control means comprise:
the controller is in circuit connection with the motor executing mechanisms (11) and is used for controlling each motor executing mechanism (11) to drive the corresponding height adjusting device (10) to adjust the height of the four corners of the bottom of the second motor support (8) according to the height adjusting values of the four corners of the bottom of the second motor support (8) measured by the laser centering instrument, so that the axis of the accompanying motor (9) and the axis of the measured motor (1) meet the set centering requirement in the height direction;
and the human-computer interaction panel (22) is in signal connection with the controller and is used for receiving the height adjustment values of the four corners at the bottom of the second motor support (8) input by a user, starting adjustment and outputting an adjustment result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221227019.6U CN217787366U (en) | 2022-05-20 | 2022-05-20 | Rapid precision adjusting equipment for motor rack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221227019.6U CN217787366U (en) | 2022-05-20 | 2022-05-20 | Rapid precision adjusting equipment for motor rack |
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| CN217787366U true CN217787366U (en) | 2022-11-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870545A (en) * | 2024-03-04 | 2024-04-12 | 珞石（山东）智能科技有限公司 | Analysis system for assembling motor reducer of industrial robot arm |
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2022
- 2022-05-20 CN CN202221227019.6U patent/CN217787366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870545A (en) * | 2024-03-04 | 2024-04-12 | 珞石（山东）智能科技有限公司 | Analysis system for assembling motor reducer of industrial robot arm |
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