CN219777874U

CN219777874U - Motor counter potential test fixture

Info

Publication number: CN219777874U
Application number: CN202320987092.1U
Authority: CN
Inventors: 王现立; 黄楷钦; 董明海; 文益雪
Original assignee: Foshan Golden Age Motor Technology Co ltd
Current assignee: Foshan Golden Age Motor Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-09-29
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses a motor counter potential test fixture, which belongs to the technical field of test fixtures and comprises a driving component, a shaft head fixing frame, a shaft tail fixing frame, a supporting cushion block, a measured sub-iron core and a measured rotor, wherein the measured sub-iron core and the measured rotor are rotatably erected on the shaft head fixing frame and the shaft tail fixing frame in an assembling state, the supporting cushion block is arranged below the stator iron core, a rotating shaft of the measured rotor is in transmission connection with the driving component, the driving component drives the measured rotor to rotate, the measured sub-iron core and the measured rotor are matched for verifying and testing magnetic steel and windings, compared with the prior art, the motor finished product test is canceled, and the corresponding magnetic steel or windings are matched for testing by the motor counter potential test fixture, so that the production test period can be effectively shortened, and the time and the research and development period can be shortened while the time and the research and development period can be effectively reduced due to repeated use of the measured stator iron core and the measured rotor core.

Description

Motor counter potential test fixture

Technical Field

The utility model relates to the technical field of test tools, in particular to a motor back electromotive force test tool.

Background

In the process of trial production of new motor products, a new scheme is generally adopted for magnetic steel or windings. At present, the counter potential is tested by adopting a method that after the motor is integrally assembled, the counter potential is detected by a driver or an oscilloscope, and once the motor has a longer production period and is in a problem in the process, the motor needs to be disassembled and repaired, so that the motor is very troublesome, and the trial production cost is greatly increased. To solve this problem, a quick test fixture is required.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a motor back electromotive force test fixture.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a motor back electromotive force test fixture, includes drive assembly, spindle nose mount, axle tail mount, supporting cushion, is surveyed sub-iron core and is surveyed the rotor, the rotor assembly state under is surveyed sub-iron core and is surveyed the rotor and rotate and erect on spindle nose mount and axle tail mount, supporting cushion fills up and establishes in stator iron core below, and the pivot and the drive assembly transmission of being surveyed the rotor are connected.

Preferably, the motor counter potential testing tool further comprises a testing platform, wherein an adjusting guide rail is arranged on the testing platform, and the shaft head fixing frame and the shaft tail fixing frame are connected with the adjusting guide rail in a sliding mode.

Preferably, the shaft head fixing frame and the shaft tail fixing frame are both L-shaped fixing plates, and two sides of the bottom of each L-shaped fixing plate are in sliding connection with the adjusting guide rail through sliding blocks.

Preferably, the driving assembly is fixed on the shaft head fixing frame, and an output shaft of the driving assembly is in transmission connection with a rotating shaft of the rotor to be tested through a coupler.

Preferably, the driving assembly adopts a driving motor, the coupler adopts a quincuncial expansion sleeve coupler, and an output shaft of the driving motor is connected with the front end of a rotating shaft of the rotor to be tested through the quincuncial expansion sleeve coupler.

Preferably, the shaft tail fixing frame is provided with a conical shaft, the tail end of the rotating shaft of the rotor to be tested is provided with a conical hole matched with the conical shaft, and the conical part at the front end of the conical shaft is movably embedded in the conical hole.

Preferably, the taper shaft is arranged on the shaft tail fixing frame through a fixing support.

Preferably, the support cushion block is symmetrically provided with two groups of limit stop blocks, the limit stop blocks are connected with limit jackscrews in a threaded manner, and the two groups of limit jackscrews are respectively propped against two sides of the stator core.

The beneficial effects of the utility model are as follows: .

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is a perspective view of the measured sub-core and the measured rotor omitted in the embodiment of the present utility model.

In the figure, 10, a driving assembly; 11. a coupling; 20. a shaft head fixing frame; 30. a shaft tail fixing frame; 31. a conical shaft; 32. a fixed support; 40. supporting cushion blocks; 41. a limit stop; 42. limiting jackscrews; 50. a measured sub-core; 60. a rotor to be measured; 61. a rotating shaft; 70. a test platform; 71. and adjusting the guide rail.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

As shown in fig. 1-3, the motor back electromotive force test fixture provided by the utility model comprises a driving component 10, a spindle nose fixing frame 20, a spindle tail fixing frame 30, a supporting cushion block 40, a tested sub-iron core 50 and a tested rotor 60, wherein the tested rotor 60 comprises a rotating shaft 61 and a rotor iron core, the rotor iron core is locked on the rotating shaft 61 through an adjusting nut, the tested sub-iron core 50 and the tested rotor 60 are rotatably erected on the spindle nose fixing frame 20 and the spindle tail fixing frame 30 in an assembled state, a stator is connected into an oscilloscope through a test wire, the supporting cushion block 40 is arranged below the stator iron core, the rotating shaft 61 of the tested rotor 60 is in transmission connection with the driving component 10, the tested rotor 60 is driven to rotate through the driving component 10, and verification test is carried out on magnetic steel and windings by matching with the tested sub-iron core 50 and the tested rotor 60, and the supporting cushion blocks 40 with different heights are matched with the tested sub-iron cores 50 with different specifications, and the test requirements can be replaced.

Specifically, because the counter potential depends on two parts, namely a stator and a rotor, when the magnetic steel of a motor product is fixed, only the rationality of a stator winding needs to be verified, and conversely, when whether the magnetic steel of a new supplier is qualified or not needs to be verified, only the rotor needs to be tested. Based on this, the motor counter potential test fixture is adopted, only the stator core part is needed to be manufactured, and then the magnetic steel is distributed on the tested rotor 60. In the process of testing a new motor product, the measured sub-iron core 50 assembled with the corresponding winding or the measured rotor 60 assembled with the corresponding magnetic steel can be replaced according to the test requirement, and then the assembled measured sub-iron core 50 and the assembled measured rotor 60 are installed on the shaft head fixing frame 20 and the shaft tail fixing frame 30 for testing. When the motor product is used for testing, the whole period of motor assembly and testing is required to be 7 days, a new testing scheme is changed, and when the motor counter potential testing tool is matched for testing, only the stator core or the rotor core is required to be manufactured, the period can be reduced to 1 day, and the production testing period is greatly shortened, wherein the motors with the same specification only need to prepare a group of rotating shafts 61 of the tested rotor 60, and the motor can be repeatedly used by the stator core and the rotor core, so that the cost can be effectively saved.

Compared with the prior art, the motor finished product test is canceled, the corresponding magnetic steel or winding is tested by matching with the motor counter potential test tool, the production test period can be effectively shortened, and the time is saved, and the research and development cost is effectively reduced while the time is saved because the stator core and the rotor core can be repeatedly used.

Further, the motor counter potential test fixture further comprises a test platform 70, an adjusting guide rail 71 is arranged on the test platform 70, the shaft head fixing frame 20 and the shaft tail fixing frame 30 are in sliding connection with the adjusting guide rail 71, specifically, the shaft head fixing frame 20 and the shaft tail fixing frame 30 are all L-shaped fixing plates, two sides of the bottom of each L-shaped fixing plate are in sliding connection with the adjusting guide rail 71 through sliding blocks, the relative positions of the shaft head fixing frame 20 and the shaft tail fixing frame 30 can be adjusted through matching the adjusting guide rail 71, so that motors of different specifications are adapted, meanwhile, the shaft head fixing frame 20 and the shaft tail fixing frame 30 can be separated, the measured sub-iron core 50 and the measured rotor 60 can be disassembled quickly, and after the relative positions of the shaft head fixing frame 20 and the shaft tail fixing frame 30 are adjusted, the shaft head fixing frame 20 and the shaft tail fixing frame 30 can be positioned on the test platform 70 through jackscrews.

Further, the driving assembly 10 is fixed on the spindle head fixing frame 20, the driving assembly 10 adopts a driving motor, wherein the driving motor is a common motor with the rotating speed of at least 1000 revolutions or a servo motor without an encoder, so that oscilloscope measurement data can be conveniently measured, an output shaft of the driving motor is in transmission connection with a rotating shaft 61 of the rotor 60 to be measured through a coupler 11, the coupler 11 adopts a quincuncial expansion sleeve type coupler, and an output shaft of the driving motor can be quickly connected with the front end of the rotating shaft 61 of the rotor 60 to be measured through the quincuncial expansion sleeve type coupler, so that the convenience of disassembly and assembly is improved.

In order to further improve the convenience of assembly and disassembly, the shaft tail fixing frame 30 is provided with a taper shaft 31, the tail end of a rotating shaft 61 of the tested rotor 60 is provided with a taper hole matched with the taper shaft 31, the taper part at the front end of the taper shaft 31 is movably embedded in the taper hole, the taper shaft 31 is arranged on the shaft tail fixing frame 30 through the fixing support 32, specifically, when the tested rotor core 50 and the tested rotor 60 are erected, the rotating shaft 61 of the tested rotor 60 is connected with an output shaft of a driving motor through the coupling 11, then the taper hole at the tail end of the rotating shaft 61 of the tested rotor 60 is aligned with the taper part at the front end of the taper shaft 31, and the shaft tail fixing frame 30 is pushed to slide towards the shaft head fixing frame 20, so that the taper part at the front end of the taper shaft 31 is movably embedded in the taper hole, namely, when the driving motor works, the tail end of the rotating shaft 61 of the tested rotor 60 is rotationally connected with the front end of the taper shaft 31.

Further, two sets of limit stop blocks 41 are symmetrically arranged on the support cushion block 40, limit stop blocks 41 are in threaded connection with limit jackscrews 42, the front ends of the two sets of limit jackscrews 42 respectively abut against two sides of the stator core, and the measured sub-core 50 is fixed through the cooperation of the limit stop blocks 41 and the limit jackscrews 42.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. The utility model provides a motor back electromotive force test fixture, its characterized in that, including drive assembly (10), spindle nose mount (20), shaft tail mount (30), supporting shoe (40), by survey sub-iron core (50) and by survey rotor (60), rotate under survey sub-iron core (50) and by survey rotor (60) assembled state and erect on spindle nose mount (20) and shaft tail mount (30), supporting shoe (40) pad are established in stator core below, are surveyed pivot (61) and drive assembly (10) transmission connection of rotor (60).

2. The motor counter potential testing tool according to claim 1, further comprising a testing platform (70), wherein an adjusting guide rail (71) is arranged on the testing platform (70), and the shaft head fixing frame (20) and the shaft tail fixing frame (30) are connected with the adjusting guide rail (71) in a sliding mode.

3. The motor counter potential testing tool according to claim 2, wherein the shaft head fixing frame (20) and the shaft tail fixing frame (30) are both L-shaped fixing plates, and two sides of the bottom of each L-shaped fixing plate are slidably connected with the adjusting guide rail (71) through sliding blocks.

4. The motor counter potential testing tool according to claim 1, wherein the driving assembly (10) is fixed on the shaft head fixing frame (20), and an output shaft of the driving assembly (10) is in transmission connection with a rotating shaft (61) of the tested rotor (60) through a coupler (11).

5. The motor counter potential testing tool according to claim 4, wherein the driving assembly (10) adopts a driving motor, the coupler (11) adopts a quincuncial expansion sleeve coupler, and an output shaft of the driving motor is connected with the front end of a rotating shaft (61) of the tested rotor (60) through the quincuncial expansion sleeve coupler.

6. The motor counter potential testing tool according to claim 1, wherein a taper shaft (31) is arranged on the shaft tail fixing frame (30), a taper hole matched with the taper shaft (31) is formed in the tail end of a rotating shaft (61) of the tested rotor (60), and a taper part at the front end of the taper shaft (31) is movably embedded in the taper hole.

7. The motor counter potential testing fixture according to claim 6, wherein the taper shaft (31) is arranged on the shaft tail fixing frame (30) through a fixing support (32).

8. The motor counter potential testing tool according to claim 1, wherein two groups of limit stop blocks (41) are symmetrically arranged on the support cushion block (40), limit jackscrews (42) are connected to the limit stop blocks (41) in a threaded mode, and the two groups of limit jackscrews (42) are respectively abutted to two sides of the stator core.