CN210005167U - dynamic balance device for testing axial magnetic field rotor - Google Patents
dynamic balance device for testing axial magnetic field rotor Download PDFInfo
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- CN210005167U CN210005167U CN201920177347.1U CN201920177347U CN210005167U CN 210005167 U CN210005167 U CN 210005167U CN 201920177347 U CN201920177347 U CN 201920177347U CN 210005167 U CN210005167 U CN 210005167U
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- support
- rotor
- magnetic field
- axial magnetic
- dynamic balance
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Abstract
The utility model discloses an kind of test axial magnetic field rotor dynamic balance device, including two supports, two rotate on the support and be connected with the rotor shaft, be connected with the magnet steel on the rotor shaft, the support is insulating support, the support sets up to insulating support, thereby has avoided the support receives induction magnetic field's influence, has effectively avoided producing induced-current on the support, having prevented production of the resistance that hinders the rotor motion on the support has improved transmission efficiency, has reduced transmission loss, has improved energy utilization and has rateed, has improved measurement accuracy.
Description
Technical Field
The utility model relates to a motor detects technical field, in particular to test axial magnetic field rotor dynamic balancing unit.
Background
, the dynamic balance device for testing the axial motor rotor on the market can generally only test to 1000rpm-2000rpm, but the development trend of the motor at present is high rotating speed, small volume and light weight, and is restricted by the existing dynamic balance device for testing, so that the high-speed motor is difficult to test and evaluate when running at high rotating speed, and the development difficulty of the high-speed motor is increased.
In the prior art, a support is made of a conductive material and is influenced by an induction magnetic field of an axial magnetic field rotor, closed-loop eddy currents can be generated on the support made of the conductive material to generate induction currents, and the induction currents can generate forces which hinder the rotor from moving, so that the transmission efficiency is influenced, the measurement precision is influenced, and the energy utilization rate is reduced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an kind test axial magnetic field rotor dynamic balance device to improve the measuring accuracy, reduce transmission loss, improve energy utilization and rate, reduce the test resistance.
In order to achieve the above object, the utility model provides a following technical scheme:
kind of test axial magnetic field rotor dynamic balance device, including two supports, two rotate on the support and be connected with the rotor shaft, be connected with the magnet steel on the rotor shaft, the support is insulating support.
In possible implementations, the insulating support is a body molded of a non-metallic material .
In possible implementation manners, the insulating support includes an inner support body, the inner support body is made of metal, and an insulating layer is disposed on an outer surface of the inner support body.
In possible implementations, a rotor bracket is provided on a radially outer side of the magnetic steel.
In possible implementations, the rotor shaft is coupled to the bracket by a bearing.
According to the above technical scheme, the utility model provides an kind of test axial magnetic field rotor dynamic balance device, including two supports, it is connected with the rotor shaft to rotate on two supports, be connected with the magnet steel on the rotor shaft, the support is insulating support, the rotor shaft rotates the upper portion of connecting at the support, the support is used for supporting the rotor shaft, the rotor shaft drives the axial magnetic field rotor and rotates, the support sets up to insulating support, thereby avoided the support to receive induction field's influence, effectively avoided producing induced-current on the support, prevented to produce the production of the resistance that hinders the rotor motion on the support, transmission efficiency is improved, transmission loss is reduced, energy utilization is improved, measurement accuracy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dynamic balance device for testing an axial magnetic field rotor provided by an embodiment of the present invention.
1. Magnetic steel, 2, rotor support, 3, bearing, 4, rotor shaft, 5 and support.
Detailed Description
The utility model discloses an kind of test axial magnetic field rotor dynamic balance device to improve the measuring accuracy, reduce the transmission loss, improve energy utilization and rate, reduce the test resistance.
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a dynamic balance device for testing an axial magnetic field rotor according to an embodiment of the present invention.
The utility model discloses a kind of test axial magnetic field rotor dynamic balance device, including two supports 5, it is connected with rotor shaft 4 to rotate on two supports 5, be connected with magnet steel 1 on the rotor shaft 4, support 5 is insulating support, two supports 5 set up the both ends at rotor shaft 4, rotor shaft 4 rotates the upper portion of connecting at support 5, support 5 is used for supporting rotor shaft 4, rotor shaft 4 drives the axial magnetic field rotor and rotates, support 5 sets up to insulating support, thereby avoided support 5 to receive the influence in induction field, effectively avoided producing induced-current on support 5, the production of the resistance that produces the hindrance rotor motion on support 5 has been prevented, transmission efficiency has been improved, transmission loss is reduced, energy utilization is improved, and measurement accuracy is improved.
Specifically, in order to improve the strength and the production efficiency of the insulating support, the insulating support is formed by bodies made of non-metal materials, and the insulating support is made of ceramic materials or other high-strength polymer composite materials.
In another specific embodiment , the insulating support comprises an inner support body made of metal, and an insulating layer is arranged on the outer surface of the inner support body.
Wherein, the radial lateral surface of magnet steel 1 is provided with rotor bracket 2. And the rotor bracket 2 is used for fixing the magnetic steel 1 and positioning the magnetic steel 1.
In particular, the rotor shaft 4 is connected to the support 5 via a bearing 3. The bearing 3 is a deep groove ball bearing or a conical roller bearing.
When the rotor disc dragging device is used, the rotor disc is dragged to high speed in a mode of dragging the rotor shaft 4 through the motor.
The utility model discloses a test axial magnetic field rotor dynamic balance device is through changing support material, and support 5 sets up to insulating support, has avoided producing closed loop vortex on the support 5, and then has avoided producing induced-current on the support 5, thereby prevents the production of the power that hinders rotor motion that induced-current produced, reduces the test resistance, has improved energy utilization; the transmission loss is reduced, and the testing precision is improved, so that the improvement of the rotating speed of the motor is facilitated.
It should be noted that the bearing 3 may also include other structures of bearings, or a mixture of structures of bearings. This embodiment is not limited to this.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the -like principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention.
Claims (4)
- The dynamic balancing device for the rotor in the axial magnetic field is tested by 1 and , and is characterized by comprising two supports, wherein rotor shafts are rotatably connected to the two supports, magnetic steel is connected to the rotor shafts, and the supports are insulating supports;the insulating support comprises an inner support body, the inner support body is made of metal, and an insulating layer is arranged on the outer surface of the inner support body.
- 2. The dynamic balance device for testing the axial magnetic field rotor of claim 1, wherein the insulating support is formed by bodies made of non-metallic materials.
- 3. The dynamic balance device for testing the axial magnetic field rotor according to claim 1, wherein a rotor bracket is arranged on the radial outer side surface of the magnetic steel.
- 4. The dynamic rotor balancing apparatus of claim 1, wherein the rotor shaft is coupled to the support via a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177347.1U CN210005167U (en) | 2019-01-31 | 2019-01-31 | dynamic balance device for testing axial magnetic field rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177347.1U CN210005167U (en) | 2019-01-31 | 2019-01-31 | dynamic balance device for testing axial magnetic field rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210005167U true CN210005167U (en) | 2020-01-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177347.1U Active CN210005167U (en) | 2019-01-31 | 2019-01-31 | dynamic balance device for testing axial magnetic field rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210005167U (en) |
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2019
- 2019-01-31 CN CN201920177347.1U patent/CN210005167U/en active Active
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