CN219265172U - Tool for detecting jump degree and flatness of outer rotor of motor - Google Patents
Tool for detecting jump degree and flatness of outer rotor of motor Download PDFInfo
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- CN219265172U CN219265172U CN202320755712.9U CN202320755712U CN219265172U CN 219265172 U CN219265172 U CN 219265172U CN 202320755712 U CN202320755712 U CN 202320755712U CN 219265172 U CN219265172 U CN 219265172U
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- outer rotor
- main screw
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- tool
- flatness
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model relates to the technical field of motor detection, in particular to a detection tool for an outer rotor of a motor. A tool for detecting runout and flatness of an outer rotor of a motor, comprising: the auxiliary screw, the lever dial indicator and the test base; the auxiliary screw includes: a main screw and a nut; the main screw is of a columnar structure, and a threaded column is arranged in the center of the columnar structure; a first conical positioning hole is formed in the center of the bottom of the main screw rod, and a second conical positioning hole is formed in the center of the threaded column; the center of the nut is provided with a threaded hole matched with the threaded column; the screw thread post on the main screw rod passes through the outer rotor, the nut is matched with the outer rotor and is in spiral connection with the screw thread post, the positioning holes at two ends of the whole tool are arranged on the test base, and the jump degree and the flatness are checked by using the lever dial indicator. The tool effectively solves the detection of radial and axial jump and flatness of the brushless direct-current outer rotor motor rotor and the accessory hardware iron shell, and provides quality assurance for dynamic balance after the motor is finished.
Description
Technical Field
The utility model relates to the technical field of motor detection, in particular to a detection tool for an outer rotor of a motor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction, comprising: rotors, stators, windings, etc. The motor with the rotor outside the stator is called an external rotor motor, the rotor of the external rotor motor is in a ring shape, and the stator inside the ring is provided with an iron core, a coil, a shaft, a lead wire and other components which are led in from outside through a shaft hole. The outer rotor motor is generally of a flat structure and is applied to low-speed high-torque direct-drive occasions.
When leaving the factory, need to detect the jump degree and the planarization of motor external rotor. The lever dial indicator is an instrument for checking the shape and position errors of a workpiece, and when the lever dial indicator is used, the lever dial indicator needs to be fixed at a proper position, a probe is contacted with the workpiece, and the workpiece is rotated to see the degree that the pointer swing of the lever dial indicator deviates from a zero scale. Currently, there is no tool suitable for clamping the rotor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a tool for detecting the jump degree and the flatness of an outer rotor of a motor.
The technical scheme of the utility model is as follows: a tool for detecting runout and flatness of an outer rotor of a motor, comprising: auxiliary screw rod, lever amesdial and test base.
The auxiliary screw includes: a main screw and a nut; the main screw is of a columnar structure, an annular boss is arranged at the top of the columnar structure, and a threaded column is arranged in the center of the columnar structure; a first conical positioning hole is formed in the center of the bottom of the main screw rod, and a second conical positioning hole is formed in the center of the threaded column; the center of the nut is provided with a threaded hole matched with the threaded column.
The test base includes: the left and right support arms and the middle lever dial indicator mounting seat; two support arms are respectively provided with a conical clamping head.
The center of the outer rotor is provided with a through hole, the main screw rod passes through the outer rotor through the main screw rod, and the outer rotor is locked on the main screw rod by using a nut.
During installation, the left clamping head and the second conical positioning hole are used for positioning, the right clamping head and the first conical positioning hole are used for positioning, and the outer rotor is clamped on the test base; the lever dial indicator is arranged on the lever dial indicator mounting seat, and the probe is contacted with the outer rotor shell.
On the basis of the scheme, the bottom circumference of the main screw and the outer circumference of the nut are preferably provided with knurled surfaces. The design of knurl face has increased the static friction that produces when installing or dismantling, finger and auxiliary screw rod contact, then the convenience of customers manually operates.
On the basis of the above scheme, preferably, the test base is provided with a chute, the support arm on the left side is fixedly arranged, and the support arm on the right side can move along the chute.
On the basis of the above scheme, preferably, the lever dial indicator mount includes: the device comprises a sliding block arranged in a sliding groove of a test base, a vertical rod vertically arranged on the sliding block, and a swing rod movably connected with the vertical rod through a pin shaft; the lever dial indicator is arranged on the swing rod.
The beneficial effects are that: according to the utility model, by designing a detachable main screw and nut two-part structure, a threaded column on the main screw passes through the outer rotor, the nut is matched with the outer rotor and is in spiral connection with the threaded column, positioning holes at two ends of the whole tool can be arranged on a test base, and the jump degree and flatness are checked by using a lever dial indicator. The utility model effectively solves the detection of radial and axial jump and flatness of the brushless direct-current outer rotor motor rotor and the accessory hardware iron shell, and provides quality assurance for dynamic balance after the motor is finished.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the main screw of the auxiliary screw of the present utility model;
FIG. 3 is a schematic view of the structure of the nut in the auxiliary screw according to the present utility model;
FIG. 4 is a schematic view of the installation structure of the auxiliary screw and the outer rotor in the present utility model;
FIG. 5 is a schematic view of a lever indicator mount according to the present utility model;
legend description: 1-an auxiliary screw; 1.1-a main screw; 1.2-nuts; 2-lever dial gauge; 3-a test base; 3.1-support arms; 3.2-a lever dial indicator mounting base; 3.2.1-sliders; 3.2.2-vertical rods; 3.2.3-swinging rod; 3.3-a clamping head; 4-outer rotor.
Detailed Description
Referring to fig. 1, a tool for detecting jump and flatness of an outer rotor of a motor includes: auxiliary screw 1, lever amesdial 2 and test base 3.
Referring to fig. 2 and 3, the auxiliary screw 1 includes: a main screw 1.1 and a nut 1.2; the main screw 1.1 is of a columnar structure, an annular boss is arranged at the top of the columnar structure, and a threaded column is arranged in the center of the columnar structure; a first conical positioning hole is formed in the center of the bottom of the main screw 1.1, and a second conical positioning hole is formed in the center of the threaded column; the center of the nut 1.2 is provided with a threaded hole matched with the threaded column.
The test base 3 includes: the left and right support arms 3.1 and the middle lever dial indicator mounting seat 3.2; two support arms 3.1 are respectively provided with a conical clamping head 3.3. In this example, the test base 3 is provided with a chute, the left arm 3.1 is fixedly arranged, and the right arm 3.1 can move along the chute.
The center of the outer rotor 4 is provided with a through hole, the main screw 1.1 passes through the outer rotor 4 through the main screw 1.1 thereof, and the outer rotor 4 is locked on the main screw 1.1 by using a nut 1.2.
Referring to fig. 4, during installation, the outer rotor 4 is clamped on the test base 3 by using the left clamping head 3.3 and the second conical positioning hole and using the right clamping head 3.3 and the first conical positioning hole; the lever dial indicator 2 is arranged on the lever dial indicator mounting seat 3.2, and the probe is contacted with the outer rotor 4 shell.
Besides the outer rotor 4, the tool can also detect the jump degree and the flatness of any iron shell with a through hole in the center.
Preferably, the circumference of the bottom surface of the main screw 1.1 and the circumference of the outer circumference of the nut 1.2 are provided with knurled surfaces. The design of the knurled surface increases the static friction force generated when the fingers are in contact with the auxiliary screw 1 during installation or disassembly, and is convenient for a user to operate manually.
Preferably, referring to fig. 5, the lever dial gauge mount 3.2 comprises: the device comprises a sliding block 3.2.1 arranged in a sliding groove of a test base 3, a vertical rod 3.2.2 vertically arranged on the sliding block 3.2.1, and a swing rod 3.2.3 movably connected with the vertical rod 3.2.2 through a pin shaft; the lever dial indicator 2 is arranged on the swinging rod 3.2.3, so that the multi-degree-of-freedom adjustment can be realized.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (4)
1. A tool for detecting runout and flatness of an outer rotor of a motor, comprising: the device comprises an auxiliary screw (1), a lever dial indicator (2) and a test base (3);
the auxiliary screw (1) comprises: a main screw (1.1) and a nut (1.2); the main screw (1.1) is of a columnar structure, an annular boss is arranged at the top of the columnar structure, and a threaded column is arranged in the center of the columnar structure; a first conical positioning hole is formed in the center of the bottom of the main screw (1.1), and a second conical positioning hole is formed in the center of the threaded column; a threaded hole matched with the threaded column is formed in the center of the nut (1.2);
the test base (3) comprises: the left and right support arms (3.1) and the middle lever dial indicator mounting seat (3.2); conical clamping heads (3.3) are respectively arranged on the two support arms (3.1);
the center of the outer rotor (4) is provided with a through hole, the main screw (1.1) passes through the outer rotor (4) through the main screw (1.1) of the main screw, and the outer rotor (4) is locked on the main screw (1.1) by utilizing the nut (1.2);
during installation, the left clamping head (3.3) and the second conical positioning hole are utilized for positioning, the right clamping head (3.3) and the first conical positioning hole are utilized for positioning, and the outer rotor (4) is clamped on the test base (3); the lever dial indicator (2) is arranged on the lever dial indicator mounting seat (3.2), and the probe is in contact with the outer rotor (4) shell.
2. A tool for detecting runout and flatness of an outer rotor of a motor according to claim 1, characterized in that the circumference of the bottom surface of the main screw (1.1) and the outer circumference of the nut (1.2) are provided with knurled surfaces.
3. A tool for detecting the jump and flatness of an outer rotor of a motor according to claim 1, characterized in that the test base (3) is provided with a chute along which the support arm (3.1) on the left side can be moved and the support arm (3.1) on the right side is fixedly arranged.
4. A tool for detecting the jump and flatness of an outer rotor of a motor according to claim 3, characterized in that the dial lever meter mounting (3.2) comprises: the device comprises a sliding block (3.2.1) arranged in a sliding groove of a test base (3), a vertical rod (3.2.2) vertically arranged on the sliding block (3.2.1), and a swing rod (3.3.3) movably connected with the vertical rod (3.2.2) through a pin shaft; the lever dial indicator (2) is arranged on the swinging rod (3.3.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755712.9U CN219265172U (en) | 2023-04-07 | 2023-04-07 | Tool for detecting jump degree and flatness of outer rotor of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320755712.9U CN219265172U (en) | 2023-04-07 | 2023-04-07 | Tool for detecting jump degree and flatness of outer rotor of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219265172U true CN219265172U (en) | 2023-06-27 |
Family
ID=86873226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320755712.9U Active CN219265172U (en) | 2023-04-07 | 2023-04-07 | Tool for detecting jump degree and flatness of outer rotor of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219265172U (en) |
-
2023
- 2023-04-07 CN CN202320755712.9U patent/CN219265172U/en active Active
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