CN216016646U - Motor shaft axial clearance adjusting device of permanent magnet motor - Google Patents
Motor shaft axial clearance adjusting device of permanent magnet motor Download PDFInfo
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- CN216016646U CN216016646U CN202121760553.9U CN202121760553U CN216016646U CN 216016646 U CN216016646 U CN 216016646U CN 202121760553 U CN202121760553 U CN 202121760553U CN 216016646 U CN216016646 U CN 216016646U
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- permanent magnet
- swing arm
- magnet motor
- motor shaft
- motor
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Abstract
The utility model relates to a motor shaft axial clearance adjusting device of a permanent magnet motor, which comprises a horizontal table, adjusting weights, a conversion joint, a swing arm, a support, a counterweight weight, a fixed pulley, a movable pulley, a lifting rope and a dial indicator. The utility model meets the high-precision requirement of measuring the axial clearance of the permanent magnet alternating current generator which is vertically placed in a static state.
Description
Technical Field
The utility model relates to a motor axial clearance detection clamp design technology, in particular to a motor shaft axial clearance adjusting device of a permanent magnet motor.
Background
The detected permanent magnet alternating current generator is in a schematic appearance diagram, the appearance of the permanent magnet alternating current generator is in a step shaft structure, and a threaded blocking cover is arranged at the lower part of the permanent magnet alternating current generator. The axial clearance of the prior permanent magnet generator is adjusted by a thread blocking cover of a rear end cover of the motor. The screw is screwed down first, and then a plurality of screw pitches are loosened so as to achieve the purpose of adjusting the clearance. There is no specific value by experience. Quality instability.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: through the connection of the dummy shaft, a measurable plane is formed. The bottom, the vertical plate, the swing arm, the idler wheel and the weight form a space structure. And after the actual measurement true value of the lever dial indicator is observed, the change value of the lever dial indicator is observed by adjusting the threaded retaining cover at the rear part of the motor, and the measurement and adjustment of the axial clearance of the rotor shaft of the motor are completed. Because the measurement and the adjustment are carried out under the true value of the lever dial indicator measurement, the structural clearance of the motor rotor shaft is truly reflected.
The technical scheme of the utility model is as follows:
the motor shaft axial clearance adjusting device of the permanent magnet motor comprises a horizontal table 1, an adjusting weight 2, a conversion joint 3, a swing arm 5, a support column 7, a counterweight 10, a fixed pulley 6, a movable pulley 8, a lifting rope 4 and a dial indicator 9;
the horizontal table 1 is used for supporting the permanent magnet motor, and a motor shaft of the permanent magnet motor is perpendicular to the horizontal table 1;
the lower end of the strut 7 is fixedly connected with the horizontal table 1, and the upper end of the strut is rotatably connected with the swing arm 5;
the middle part of the swing arm 5 is rotatably connected with the support 7, one end of the swing arm is provided with a fixed pulley, the other end of the swing arm is provided with a movable pulley, and the movable pulley can slide along the extension direction of the swing arm 5;
the upper end of the strut 7 forms a limit position, so that the swing arm 5 can be positioned when rotating to be vertical to the strut 7;
the lifting rope is matched with the fixed pulley and the movable pulley, one end of the lifting rope 4 is connected with the counterweight 10, and the other end of the lifting rope is connected with the adapter 3; the conversion joint 3 is fixedly and coaxially connected with the permanent magnet motor shaft; the counterweight can provide an upward pulling force for the adapter 3 through a lifting rope, and the upward pulling force can enable the rotor of the permanent magnet motor to move axially to a termination position;
the adjusting weight 2 can be arranged on the adapter 3 to provide downward pressure to the adapter 3, the downward pressure enables the rotor shaft of the permanent magnet motor to move downwards from an end position to an adjusting position, and the axial displacement between the adjusting position and the end position is larger than the axial maximum gap of the motor shaft of the permanent magnet motor;
the measuring head of percentage table with crossover sub 3 cooperates, along with crossover sub 3's axial displacement, the numerical value of percentage table is to changing reaction displacement volume.
Further, the adjusting weight 2 is a component, and includes a plurality of weights with different weights.
Furthermore, a lug is arranged on the bottom surface of the middle part of the swing arm 5, a lug is arranged on the side surface of the upper end of the support post 7, and the lug of the swing arm 5 is rotatably connected with the lug of the support post 7.
Furthermore, a sliding groove is formed in the swing arm 5, and the movable pulley is in sliding fit with the sliding groove.
Furthermore, a ring platform is formed on the adapter 3, and the ring platform is matched with the adjusting weight 2 in shape.
Further, a fixing device 11 is included, and the fixing device is used for fixing the permanent magnet motor on the horizontal table. In particular, the fixing means is a bolt.
The utility model has the advantages that: the high-precision requirement for measuring the axial clearance of the permanent magnet alternating current generator which is vertically placed statically is met. The motor shaft is pulled to the end position by the dead weight of the motor rotor, the magnetic pull force and the friction force of the bearing chamber through the counterweight, and then the motor shaft is pressed back to the adjustable position by the adjusting weight, so that the axial positioning of the motor shaft is facilitated. Under the condition of matching with a dial indicator, the axial displacement value of the motor rotor shaft can be truly reflected, and quantitative clearance adjustment is facilitated. Through the removal difference of measuring with the lever percentage table, provide visual numerical value for adjusting motor axial clearance, improve product debugging precision and product debugging efficiency. Because the measurement and the adjustment are carried out under the true value of the lever dial indicator measurement, the structural clearance of the motor rotor shaft is truly reflected. And the data reliability and operability are high. Greatly improving the stability of the product quality.
Drawings
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is a schematic view of a crossover joint;
FIG. 3 is a schematic view of a swing arm;
FIG. 4 is a front view of the strut;
FIG. 5 is a side view of the strut;
wherein: the balance weight comprises a horizontal table 1, an adjusting weight 2, a conversion joint 3, a lifting rope 4, a swing arm 5, a fixed pulley 6, a support 7, a movable pulley 8, a dial indicator 9, a balance weight 10 and a fixing device 11.
Detailed Description
The present invention is described in further detail below.
The motor shaft axial clearance adjusting device of the permanent magnet motor comprises a horizontal table 1, an adjusting weight 2, a conversion joint 3, a swing arm 5, a support column 7, a counterweight 10, a fixed pulley 6, a movable pulley 8, a lifting rope 4 and a dial indicator 9;
the horizontal table 1 is used for supporting the permanent magnet motor, and a motor shaft of the permanent magnet motor is perpendicular to the horizontal table 1;
the lower end of the strut 7 is fixedly connected with the horizontal table 1, and the upper end of the strut is rotatably connected with the swing arm 5;
the middle part of the swing arm 5 is rotatably connected with the support 7, one end of the swing arm is provided with a fixed pulley, the other end of the swing arm is provided with a movable pulley, and the movable pulley can slide along the extension direction of the swing arm 5;
the upper end of the strut 7 forms a limit position, so that the swing arm 5 can be positioned when rotating to be vertical to the strut 7;
the lifting rope is matched with the fixed pulley and the movable pulley, one end of the lifting rope 4 is connected with the counterweight 10, and the other end of the lifting rope is connected with the adapter 3; the conversion joint 3 is fixedly and coaxially connected with the permanent magnet motor shaft; the counterweight can provide an upward pulling force for the adapter 3 through a lifting rope, and the upward pulling force can enable the rotor of the permanent magnet motor to move axially to a termination position;
the adjusting weight 2 can be arranged on the adapter 3 to provide downward pressure to the adapter 3, the downward pressure enables the rotor shaft of the permanent magnet motor to move downwards from an end position to an adjusting position, and the axial displacement between the adjusting position and the end position is larger than the axial maximum gap of the motor shaft of the permanent magnet motor;
the measuring head of percentage table with crossover sub 3 cooperates, along with crossover sub 3's axial displacement, the numerical value of percentage table is to changing reaction displacement volume.
The bottom surface of the middle part of the swing arm 5 is provided with a lug, the side surface of the upper end of the support post 7 is provided with a lug, and the lug of the swing arm 5 is rotatably connected with the lug of the support post 7.
The swing arm 5 is provided with a sliding groove, and the movable pulley is in sliding fit with the sliding groove.
And a ring platform is formed on the adapter 3 and matched with the adjusting weight 2 in shape.
The device comprises a fixing device 11, wherein the fixing device is used for fixing a permanent magnet motor on a horizontal table. The fixing device is a bolt.
Claims (7)
1. Permanent-magnet machine's motor shaft axial clearance adjusting device, its characterized in that: comprises a horizontal table (1), an adjusting weight (2), a conversion joint (3), a swing arm (5), a strut (7), a counterweight weight (10), a fixed pulley (6), a movable pulley (8), a lifting rope (4) and a dial indicator (9);
the horizontal table (1) is used for supporting the permanent magnet motor, and a motor shaft of the permanent magnet motor is perpendicular to the horizontal table (1);
the lower end of the strut (7) is fixedly connected with the horizontal table, and the upper end of the strut is rotatably connected with the swing arm;
the middle part of the swing arm is rotatably connected with the support, one end of the swing arm is provided with a fixed pulley, the other end of the swing arm is provided with a movable pulley, and the movable pulley can slide along the extension direction of the swing arm;
the upper end of the support column forms a limit position, so that the swing arm can be positioned when rotating to be vertical to the support column;
the lifting rope is matched with the fixed pulley and the movable pulley, one end of the lifting rope is connected with the counterweight, and the other end of the lifting rope is connected with the adapter; the conversion joint is fixedly and coaxially connected with the permanent magnet motor shaft; the counterweight can provide an upward pulling force for the adapter through a lifting rope, and the upward pulling force can enable the rotor of the permanent magnet motor to move axially to a termination position;
the adjusting weight 2 can be arranged on the conversion joint to provide downward pressure to the conversion joint, the downward pressure enables the rotor shaft of the permanent magnet motor to move downwards from an end position to an adjusting position, and the axial displacement between the adjusting position and the end position is larger than the axial maximum gap of the motor shaft of the permanent magnet motor;
the measuring head of percentage table with the crossover sub cooperation, along with the axial displacement of crossover sub, the numerical value of percentage table is to changing reaction displacement volume.
2. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 1, wherein: the adjusting weight is a component and comprises a plurality of weights with different weights.
3. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 1, wherein: the bottom surface of the middle part of the swing arm is provided with a lug, the side surface of the upper end of the support is provided with a lug, and the lug of the swing arm is rotatably connected with the lug of the support.
4. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 1, wherein: the swing arm is provided with a sliding groove, and the movable pulley is in sliding fit with the sliding groove.
5. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 1, wherein: and a ring platform is formed on the adapter and matched with the adjusting weight in shape.
6. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 1, wherein: the device comprises a fixing device (11) used for fixing the permanent magnet motor on the horizontal table.
7. The motor shaft axial gap adjusting apparatus of a permanent magnet motor according to claim 6, wherein: the fixing device is a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760553.9U CN216016646U (en) | 2021-07-30 | 2021-07-30 | Motor shaft axial clearance adjusting device of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121760553.9U CN216016646U (en) | 2021-07-30 | 2021-07-30 | Motor shaft axial clearance adjusting device of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216016646U true CN216016646U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121760553.9U Active CN216016646U (en) | 2021-07-30 | 2021-07-30 | Motor shaft axial clearance adjusting device of permanent magnet motor |
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| Country | Link |
|---|---|
| CN (1) | CN216016646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242227A (en) * | 2023-05-12 | 2023-06-09 | 四川雯创亿科技有限公司 | Clamp detection system for axial gap of aero-motor |
-
2021
- 2021-07-30 CN CN202121760553.9U patent/CN216016646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116242227A (en) * | 2023-05-12 | 2023-06-09 | 四川雯创亿科技有限公司 | Clamp detection system for axial gap of aero-motor |
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