CN108614211A - The Universal testing device for preventing separately-loaded permanent magnet torque motor rotor from colliding - Google Patents
The Universal testing device for preventing separately-loaded permanent magnet torque motor rotor from colliding Download PDFInfo
- Publication number
- CN108614211A CN108614211A CN201810287428.7A CN201810287428A CN108614211A CN 108614211 A CN108614211 A CN 108614211A CN 201810287428 A CN201810287428 A CN 201810287428A CN 108614211 A CN108614211 A CN 108614211A
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- Prior art keywords
- stator
- bearing
- rotor
- shaft
- pedestal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
Abstract
The invention discloses the Universal testing devices for preventing separately-loaded permanent magnet torque motor rotor from colliding, including stator base, pedestal end cap, shaft, pedestal, twin shaft bearing assembly, stator switching bearing and rotor switching bearing, stator base is revolving body, pedestal is connected to stator base one end, centered on stator base axis, have bearing mounting hole and stator switching bearing mounting hole, the aperture of the two is different, twin shaft bearing assembly is installed in bearing mounting hole, the stator of different excircle dimensions is connect with stator switching bearing, and it is installed in stator switching bearing mounting hole；The rotor of different hole sizes is connect with rotor bearing, and is installed in shaft.The present invention keeps shaft and the radial and axial position of twin shaft bearing assembly controllable by rotating base, prevents from causing to collide by magnetic pull between motor stator and rotor, effectively inhibit play between shaft and bearing, when making electromechanical testing, rotor is easy to assembly, meets rotor matching requirements.
Description
Technical field
The present invention relates to the Universal testing devices for preventing separately-loaded permanent magnet torque motor rotor from colliding, and belong to motor survey
Try technical field.
Background technology
With the continuous development of permanent-magnet material, magneto just enters great development period, and various new constructions, new principle are forever
Magneto continues to bring out.Direct-driving type separately-loaded permanent magnet torque motor was grown rapidly in recent years, and motor directly connects without The gear deceleration
It is connected to load, is realized " Zero-drive Chain ", eliminates elastic hysteresis deformation, backlass, vibration noise, response lag etc. to the maximum extent
Problem.Direct driving technologies are the trend of future development.
Separately-loaded direct-drive type torque motor is made of stator and rotor, belongs to packaging structure.Therefore, motor performance test
When need rotor in the tooling.This tooling should ensure the precision of rotor assembly, while must assure that and not damaging again
Hinder motor appearance.In order to meet space flight motor miniaturization target, high performance permanent magnetic materials are selected and rotor small air gap is designed with
Help improve the torque density of motor.When motor assembles, the electromagnetic force between rotor is very strong, is easy to happen collision；It is tearing open
When unloading, rotor takes out also relatively difficult from tooling.This is the technological difficulties in separately-loaded torque motor assembling process.In addition,
In order to meet different application demand, same type of separately-loaded direct-drive type torque motor can by adjusting iron core axial length or
Stator outer diameter derives plurality of specifications.If each a tooling of specification design of electrical motor, this will increase R＆D costs, extend exploitation
Period is unfavorable for customed product and is developed in short-term.Therefore, a universal test fixture right and wrong are designed during electromechanical testing
Often it is necessary to.
Invention content
The technology of the present invention solves the problems, such as：In order to overcome the deficiencies of the prior art, providing prevents separately-loaded permanent magnet torque motor
The Universal testing device that rotor collides, to solve in existing measuring technology, rotor assembly easily collision, hardly possible are dismantled, are general
Property difference problem.
Technical solution of the invention：
The Universal testing device for preventing separately-loaded permanent magnet torque motor rotor from colliding, including stator base, base end
Lid, shaft, pedestal, twin shaft bearing assembly, stator switching bearing and rotor switching bearing,
Stator base is revolving body, and pedestal is connected to stator base one end, on the central shaft of stator base, has
Bearing mounting hole and stator switching bearing mounting hole, the aperture of the two is different, and twin shaft bearing assembly is installed in bearing mounting hole, pacifies
Stator switching bearing equipped with different size stators is installed in stator switching bearing mounting hole；Different sized rotors are installed
Rotor switching bearing is connected in shaft.
Shaft one end is initially stretched into the bearing hole of twin shaft bearing assembly, when with base contacts, rotor and stator without the suction-combining force,
Shaft does not deflect.
Pedestal is adjusted, shaft continues to stretch into, and rotor and stator generate the suction-combining force, until the bearing shoulder block of shaft is pasted with bearing
It closes, rotor and stator centering.
It is detached from pedestal, the bearing hole that base end covers is inserted in shaft, and is fixedly connected with stator base.
Twin shaft bearing assembly includes two bearings, and the spacing of two bearings is more than half of bearing mounting hole aperture.
The present invention has the advantages that compared with prior art：
(1) present invention is connected by the cooperation of pedestal, shaft and stator base by the screw thread between pedestal and stator base
It connects, rotating base, shaft is made not hit bearing assembly, overcome the electromagnetic attraction between stator and rotor, effectively inhibit and turn
Play between axis and bearing ensures concentricity between rotor；
(2) traditional stator pedestal is uniquely assembled with motor according to specification, and stator base and shaft of the present invention have logical
It is matched by different adapter flanges with property, convenient for assembly different size motor, greatly reduce cost.
Description of the drawings
Fig. 1 is the assembling schematic diagram of separately-loaded electric machine testing device of the present invention；
Fig. 2 is common separately-loaded electric machine testing device；
Fig. 3 is the stator base of the separately-loaded electric machine testing device of the present invention；
Fig. 4 is the stator base component structure diagram of the separately-loaded electric machine testing device of the present invention；
Fig. 5 is the stator switching pedestal of the separately-loaded electric machine testing device of the present invention；
Fig. 6 is the stator base component structure diagram of the assembling stator of the present invention；
Fig. 7 is the rotor component construction schematic diagram of the present invention；
Fig. 8 is the assembling schematic diagram that the present invention is detached from separately-loaded electric machine testing device after pedestal.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 2 is common separately-loaded electric machine testing device.The device mainly by stator base 101, pedestal end cap 201, turn
Axis 301 and stator pressure ring 601 are constituted, and including front and back bearings, lock-screw etc..Assemble sequence is first to be placed on bearing to determine
Sub-base bearing hole；Separately-loaded motor stator is placed stator pressure ring 601, is fastened with screw in stator base 101 again；It will
Separately-loaded rotor is fixed in shaft, and rotor assembly is packed into stator base 101；Last installation pedestal end cap, screw lock
Tightly.When motor assembles, the magnetic pull between rotor is very strong, is easy to happen collision, and shaft also collides bearing when falling.
To overcome above-mentioned technical problem, the present invention has developed a kind of prevention separately-loaded torque motor rotor collision again
Universal testing device, as shown in Fig. 1, Fig. 8, including stator base 1, pedestal end cap 2, shaft 3, pedestal 7, twin shaft bearing assembly 8,
Stator switching bearing 10 and rotor switching bearing 11,
Stator base 1 is revolving body, and pedestal 7 is connected to 1 one end of stator base, on the central shaft of stator base 1, respectively
The bearing mounting hole and stator switching bearing mounting hole, twin shaft bearing assembly 8 for being provided with different pore size are installed in bearing mounting hole, pacify
Stator switching bearing 10 equipped with different size stators is installed in stator switching bearing mounting hole；Different sized rotors are installed
Rotor switching bearing 11 be connected in shaft 3；
3 one end of shaft is stretched into the bearing hole of twin shaft bearing assembly, and when being contacted with pedestal 7, rotor and stator turn without the suction-combining force
Axis 3 does not deflect；Pedestal 7 is adjusted, shaft 3 continues to stretch into, and rotor and stator generate the suction-combining force, until the bearing position of shaft 3
It is bonded with bearing, rotor and stator centering, is detached from pedestal 7, the bearing hole on pedestal end cap 2 is inserted in shaft 3, and and stator base
1 is fixedly connected.Twin shaft bearing assembly 8 includes two bearings, and the spacing of two bearings is more than half of bearing mounting hole aperture.
Fig. 3 is the stator base of the separately-loaded electric machine testing device of the present invention.15 be hollow inner ring in the stator base 1,
It is provided with internal thread, is used for and pedestal 7 coordinates, realize controllable slow lifting when shaft assembly.12 be axis in the stator base 1
Exit orifice is held, 13 be bearing assembly gland slot, and 14 install positioning surface for separately-loaded motor stator adapter flange.
Fig. 4 is the stator base component structure diagram of the separately-loaded electric machine testing device of the present invention.8 be duplex bearing group
Part overcomes the electromagnetic attraction between fixed turn, inhibits play between shaft and bearing, ensures concentricity between rotor.9 be bearing pressure
Lid, protection bearing prevent from being knocked.10 be stator switching pedestal, for being adapted to the stator of different plurality of specifications motors.
Fig. 5 is the stator switching pedestal of the separately-loaded electric machine testing device of the present invention.It is fixed that the seam allowance of endoporus D1 is used for ensureing
The concentricity of son.By change switching pedestal endoporus D1 and axial length L, the stator of different plurality of specifications motors can be assembled,
Realize the generalization of different size stator.
Fig. 6 is the stator base component structure diagram of the assembling stator of the present invention.The stator 4 of separately-loaded motor passes through only
Mouth positioning, is fastened using 6 screw of stator pressure ring.
Fig. 7 is the rotor component construction schematic diagram of the present invention.The rotor 5 of separately-loaded motor is fixed on rotor switching pedestal 11
On, it is fastened using screw.Finally, it is assemblied in shaft 3.
Fig. 8 is the assembling schematic diagram that the present invention is detached from separately-loaded electric machine testing device after pedestal, is detached from pedestal 7, base end
Bearing hole on lid 2 is inserted in shaft 3, and is fixedly connected with stator base 1.
The present invention makes shaft not hit bearing group by the cooperation of pedestal, shaft and stator base by rotating base
Part, overcomes the electromagnetic attraction between stator and rotor, effectively inhibits play between shaft and bearing, ensures coaxial between rotor
Degree.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.The specific embodiment is only pair
Spirit of that invention gives an example.The personnel of the technical field of the invention can do the specific embodiment different repair
Change or supplement or replace by a similar method, but spirit without departing from the present invention or surmounts the appended claims and defined
Range.
Claims (5)
1. the Universal testing device for preventing separately-loaded permanent magnet torque motor rotor from colliding, which is characterized in that including stator base
Seat (1), pedestal end cap (2), shaft (3), pedestal (7), twin shaft bearing assembly (8), stator switching bearing (10) and rotor switching branch
Seat (11),
Stator base (1) is revolving body, and pedestal (7) is connected to stator base (1) one end, centered on stator base (1) axis,
Bearing mounting hole and stator switching bearing mounting hole are had, the aperture of the two is different, and twin shaft bearing assembly (8) is installed on bearing
In mounting hole, the stator of different excircle dimensions is connect with stator switching bearing (10), and is installed on stator switching bearing mounting hole
In；The rotor of different hole sizes is connect with rotor bearing (11), and is installed in shaft (3).
2. the Universal testing device according to claim 1 for preventing separately-loaded permanent magnet torque motor rotor from colliding,
Be characterized in that, shaft (3) low side stretches into the bearing hole of twin shaft bearing assembly (8), when being contacted with pedestal (7), rotor and stator without
The suction-combining force, shaft (3) do not deflect.
3. the Universal testing device according to claim 2 for preventing separately-loaded permanent magnet torque motor rotor from colliding,
It is characterized in that, be threadedly coupled with stator base (1) by pedestal (7), rotating base makes shaft (3) continue to stretch into, rotor and fixed
Son generates the suction-combining force, until the bearing shoulder block of shaft (3) is bonded with bearing, rotor and stator centering.
4. the Universal testing device according to claim 3 for preventing separately-loaded permanent magnet torque motor rotor from colliding,
Be characterized in that, pedestal (7) screwed out by screw thread, the bearing hole on pedestal end cap (2) is inserted in shaft (3), and with stator base (1)
It is fixedly connected.
5. the Universal testing device according to claim 1 for preventing separately-loaded permanent magnet torque motor rotor from colliding,
It is characterized in that, twin shaft bearing assembly (8) includes two bearings, and the spacing of two bearings is more than half of bearing mounting hole aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287428.7A CN108614211B (en) | 2018-03-30 | 2018-03-30 | General type testing arrangement for preventing sub-package permanent magnet torque motor stator and rotor collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287428.7A CN108614211B (en) | 2018-03-30 | 2018-03-30 | General type testing arrangement for preventing sub-package permanent magnet torque motor stator and rotor collision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108614211A true CN108614211A (en) | 2018-10-02 |
| CN108614211B CN108614211B (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810287428.7A Active CN108614211B (en) | 2018-03-30 | 2018-03-30 | General type testing arrangement for preventing sub-package permanent magnet torque motor stator and rotor collision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123678A (en) * | 2021-11-01 | 2022-03-01 | 西安航天精密机电研究所 | High-reliability universal assembly testing device and method for split-type torque motor |
| CN114142648A (en) * | 2021-12-07 | 2022-03-04 | 江苏集萃智能制造技术研究所有限公司 | Frameless torque motor and test method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123678A (en) * | 2021-11-01 | 2022-03-01 | 西安航天精密机电研究所 | High-reliability universal assembly testing device and method for split-type torque motor |
| CN114123678B (en) * | 2021-11-01 | 2023-03-03 | 西安航天精密机电研究所 | High-reliability universal assembly testing device and method for split-type torque motor |
| CN114142648A (en) * | 2021-12-07 | 2022-03-04 | 江苏集萃智能制造技术研究所有限公司 | Frameless torque motor and test method thereof |
| CN114142648B (en) * | 2021-12-07 | 2023-09-15 | 江苏集萃智能制造技术研究所有限公司 | Frameless torque motor and testing method thereof |
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| Publication number | Publication date |
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| CN108614211B (en) | 2020-10-23 |
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