CN116699389B - Motor detection device and use method thereof - Google Patents
Motor detection device and use method thereof Download PDFInfo
- Publication number
- CN116699389B CN116699389B CN202310250561.6A CN202310250561A CN116699389B CN 116699389 B CN116699389 B CN 116699389B CN 202310250561 A CN202310250561 A CN 202310250561A CN 116699389 B CN116699389 B CN 116699389B
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- motor
- piece
- sleeve
- output shaft
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 11
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Abstract
The motor detection device comprises a mounting table, wherein a testing machine for detecting a motor is mounted on the mounting table, the testing machine comprises a base body fixed on the mounting table and a testing rotor connected with an output shaft of the motor, the testing rotor is vertically mounted in the base body, the top end of the testing rotor is provided with a connecting end connected with the output shaft of the motor, and the connecting end is mounted in the base body through a bearing; the motor detection device has the advantages that the lifting pressing locating piece is arranged right above the testing rotor, the locating part for fixing the motor is arranged on the pressing locating piece, the motor can be quickly fixed by installing the output shaft of the motor on the testing rotor of the testing machine and pressing the locating motor, and the motor detection can be started after the motor detection device is fixed.
Description
Technical Field
The invention relates to the technical field of motor detection, in particular to a motor detection device.
Background
The motor is commonly called a motor, and refers to an electromagnetic device for converting or transmitting electric energy according to an electromagnetic induction law. The main function of the device is to generate driving torque which is used as a power source of electric appliances or various machines to drive the electric appliances or various machines to operate.
The development of the science and technology has put higher and higher requirements on motor performance and quality indexes, and the development of motor testing technology is closely related to the development of motor industry. The motor detection is an important link for comprehensively evaluating the assembly quality and technical performance of the motor, and is an important procedure for manufacturing and producing the motor.
In motor detection, in order to guarantee that the detection of motor can normally go on steadily, how to fix a position and install the motor has become a difficult problem, as shown in the motor detection equipment of patent CN210689985U discloses, this motor detection equipment adopts clamping subassembly to fix a mounting motor, and this mounting means is though can fix a position the installation motor steadily, but needs manual installation and installation step comparatively loaded down with trivial details, so installation time is longer, has increased detection time, has reduced the efficiency that the motor detected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides the motor detection device, which can realize quick fixation of the motor by installing the output shaft of the motor on the test rotor of the tester and pressing the positioning piece to press the positioning motor, and the motor detection can be started after the fixation.
The invention solves the technical problems by adopting the technical scheme that: the motor detection device comprises a mounting table, wherein a testing machine for detecting a motor is mounted on the mounting table, the testing machine comprises a base body fixed on the mounting table and a testing rotor connected with an output shaft of the motor, the testing rotor is vertically mounted in the base body, the top end of the testing rotor is provided with a connecting end connected with the output shaft of the motor, and the connecting end is mounted in the base body through a bearing; a lifting pressing positioning piece is arranged right above the test rotor, and a positioning part for fixing the motor is arranged on the pressing positioning piece.
Preferably, the testing machine comprises a generator mounted on the base, the rotational force of the testing rotor is converted into the energy of the generator, and the generator is connected with the detection system.
Preferably, the connecting end is a cylinder with a blind hole at the center, the shape and the size of the blind hole are matched with those of the motor output shaft, and a spline matched with a key groove on the motor output shaft is arranged in the blind hole.
Preferably, the connecting end comprises a sleeve, the connecting piece of slidable mounting in the sleeve, the connecting piece is equipped with the spread groove with motor output shaft, test rotor includes the pivot of being connected with the connecting piece, the pedestal and mount pad are passed in proper order to the pivot lower extreme, reset spring is sleeved outside the pivot, reset spring's upper end top is on the outer wall of pedestal bottom, reset spring bottom is connected with sliding connection's impeller in the pivot, one side that the impeller kept away from reset spring is equipped with installs at epaxial locating part, install the promotion cylinder under the pivot, the piston end of promotion cylinder is connected with the sleeve, the sleeve passes through the promotion cylinder and drives upwards to promote the impeller, the cooperation of promotion cylinder and reset spring makes the connecting piece slide from top to bottom in the sleeve, the spread groove roll-off sleeve is outside and is the unclamped state, the spread groove roll-in sleeve is the clamping state.
Preferably, the connecting groove comprises an extending groove which is arranged at the center of the connecting piece and used for placing the output shaft of the motor, and clamping grooves which are axially arranged along the connecting piece are distributed around the extending groove at intervals.
Preferably, the pushing-down positioning piece is fixed at the outer end of the transversely arranged fixed supporting piece, the inner end of the fixed supporting piece is fixed at the top of the sliding column, the sliding column is vertically and slidably arranged on the mounting table, and the sliding column penetrates through the bottom of the mounting table and is connected with the lifting cylinder.
Preferably, a supporting plate is fixed below the mounting table, the pushing cylinder and the lifting cylinder are fixedly mounted on the supporting plate, and the supporting plate is fixedly connected with the mounting table through a supporting column.
Preferably, the pressing positioning piece is provided with a heat dissipation groove corresponding to the position of the motor heat dissipation area.
Preferably, the positioning part is a positioning groove corresponding to the motor rear cover protrusion.
The using method of the motor detection device comprises the following steps:
1. loosening the connecting groove: the pushing cylinder pushes the wafer upwards, the reset spring contracts to enable part of the connecting grooves on the connecting piece to slide out of the sleeve, and the connecting grooves outside the sleeve slide out to open outwards;
2. mounting a motor to a tester: inserting the output shaft of the motor into the connecting groove in the first step, pushing the air cylinder to slide downwards and separate from the circular sheet, pulling the connecting piece downwards under the action of the elasticity of the reset spring, sliding the connecting groove outside the sleeve in the first step into the sleeve, and clamping the output shaft of the motor by the connecting groove in the sleeve to realize connection;
3. positioning a motor: the lifting cylinder pulls the fixed supporting piece downwards, the downward pressing positioning piece is propped against the upper end of the motor, the output shaft of the motor and the connecting groove are further fixed in the sleeve, and the positioning part on the downward pressing positioning piece is matched with the upper end of the motor in a positioning way;
4. connecting the motor to a power supply and starting the motor test.
The beneficial effects of the invention are as follows: the invention provides a motor detection device, which is provided with a testing machine, wherein a testing rotor on the testing machine is connected with an output shaft of a motor, a pressing positioning piece is arranged above the testing machine, the pressing positioning piece presses down the positioning motor to realize quick fixing of the motor, and the motor detection can be started after the motor detection device is fixed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of a testing machine of the present invention employing a cylinder as the connecting end;
FIG. 3 is a schematic view of the cylinder structure of the present invention;
FIG. 4 is a cross-sectional view of a test machine employing a connector as a connection end in accordance with the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a schematic structural view of a connector according to the present invention.
Reference numerals illustrate: 1. a mounting table; 2. a testing machine; 3. pressing down the positioning piece; 4. a connection end; 5. a return spring; 6. a pushing cylinder; 7. a fixed support; 8. a sliding column; 9. a lifting cylinder; 10. a support plate; 11. a stator; 12. a lifting block; 13. a support column; 14. a pushing piece; 15. a sleeve; 16. a limiting piece; 2-1, a seat body; 2-2, testing a rotor; 2-3, a bearing; 2-21, a rotating shaft; 3-1, a positioning part; 3-2, a heat dissipation groove; 4-1, a cylinder; 4-2, blind holes; 4-3, a sleeve; 4-4, connecting pieces; 4-21, spline; 4-41, connecting grooves; 4-411, extending into the tank; 4-412, a clamping groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
embodiment one:
in this embodiment, a motor detection device is shown in fig. 1, and two sets of motor detection devices are shown, the motor detection device comprises a mounting table 1, a supporting plate 10 placed on the ground, the supporting plate 10 and the mounting table 1 are connected and mounted through four supporting columns 13, a testing machine 2 for detecting a motor is mounted on the mounting table 1, a liftable pressing positioning piece 3 is arranged right above the testing machine 2, the pressing positioning piece 3 is fixed on the bottom of the outer end of a fixed supporting piece 7, the fixed supporting piece 7 is a flat plate and is transversely arranged right above the testing machine 2, a pair of fixing holes are formed in the inner end of the fixed supporting piece 7, the fixed supporting piece 7 is fixed through a pair of sliding columns 8, threads are formed at the top and the bottom of the sliding columns 8, the sliding columns 8 are provided with bosses at the top, the fixed supporting piece 7 is positioned on the bosses after passing through the fixing holes, the inner end of the fixed supporting piece 7 can be fixed on the top of the sliding post 8 by screwing a nut into the top of the sliding post 8, the sliding post 8 vertically passes through the mounting table 1 and is connected with the lifting block 12 positioned below the mounting table 1 in a threaded manner, the lifting block 12 is connected with the lifting cylinder 9 placed on the supporting plate 10 through bolts and nuts, the lifting cylinder 9 is lifted and lowered to drive the lifting block 12 and the sliding post 8 to move up and down, the fixed supporting piece 7 arranged on the sliding post 8 and the downward pressing positioning piece 3 arranged on the fixed supporting piece 7 further move up and down, the downward pressing positioning piece 3 moves down to press the positioning motor, the downward pressing positioning piece 3 is provided with the positioning part 3-1 for positioning the motor, in the embodiment, the positioning part 3-1 is a positioning groove arranged at two ends of the downward pressing positioning piece 3, the positioning groove corresponds to a bulge on the rear cover of the motor, when the downward pressing positioning piece 3 presses down to prop up the motor, the positioning groove is matched with a bulge on the motor rear cover so as to realize positioning; as shown in fig. 2, the test machine 2 includes a base 2-1 fixed on the mounting table 1, a test rotor 2-2 vertically installed in the center of the base 2-1, the test rotor 2-2 includes a rotating shaft 2-21, a connecting end 4 connected with an output shaft of the motor is provided at the top end of the rotating shaft 2-21, a bearing 2-3 surrounds the connecting end 4, the connecting end 4 and the bearing 2-3 are installed in an inner wall of an upper end of the base 2-1, a generator is provided in the base 2-1, the generator is connected with a detection system, the test rotor 2-2 is a rotor of the generator, the generator also includes a stator 11 installed in the base 2-1 and surrounding the test rotor 2-2, the output shaft of the motor rotates to drive the test rotor 2-2 to rotate during operation of the motor, a coil on the test rotor 2-2 makes a cutting magnetic induction line motion to convert mechanical energy into electric energy, and the detection system indirectly reflects corresponding parameters of the motor to be tested according to the electric energy generated by the generator, and the detection data of the motor are obtained.
As shown in fig. 3, in this embodiment, the connecting end 4 is a cylinder 4-1 with a blind hole 4-2 at the center, the shape and size of the blind hole 4-2 are matched with those of the motor output shaft, a spline 4-21 matched with a keyway on the motor output shaft is arranged in the blind hole 4-2, and the fixed connection between the test rotor 2-2 and the motor output shaft is realized through the matching of the keyway and the spline 4-21; in order to avoid the motor from being damaged by the pressing down of the pressing down positioning piece 3, the pressing down positioning piece 3 has elasticity (in the embodiment, the pressing down positioning piece 3 is made of plastic materials), further, as shown in fig. 1, a heat dissipation groove 3-2 corresponding to the position of a heat dissipation area at the top of the motor is formed in the pressing down positioning piece 3, and the heat dissipation groove 3-2 can enable heat of the motor to be dissipated from the heat dissipation groove 3-2 during operation, so that the normal heat dissipation of the motor is prevented from being influenced.
Embodiment two:
as shown in fig. 4 and 5, the motor detecting device in the present embodiment is different from the first embodiment in that: in this embodiment, the connection end 4 includes a sleeve 4-3, and a connection member 4-4 slidably mounted in the sleeve 4-3, where the connection member 4-4 may be an expansion sleeve, the structure of the connection member 4-4 is shown in fig. 6, the whole connection member 4-4 is a truncated cone structure with a large upper bottom and a small lower bottom, the connection member 4-4 is provided with a connection slot 4-41, the connection slot 4-41 includes a middle extending slot 4-411, openable clamping slots 4-412 axially arranged around the extending slot 4-411 are distributed at intervals, and the inner wall of the sleeve 4-3 is attached to the outer wall of the connection member 4-4 after the clamping slots 4-412 are closed; further, the bottom end of the rotating shaft 2-21 penetrates through the bottom of the mounting table 1, a reset spring 5 is sleeved outside the rotating shaft 2-21, the upper end of the reset spring 5 is propped against the outer wall of the bottom of the seat body 2-1, the bottom of the reset spring 5 is connected with a push piece 14 (in the embodiment, the push piece is a circular disc with a central opening) which is slidably connected to the rotating shaft 2-21, a limiting piece 16 (in the embodiment, the bottom end of the rotating shaft 2-21 is provided with threads, the limiting piece 16 is a nut which is in threaded connection with the rotating shaft 2-21) which is arranged on the lower end of the rotating shaft 2-21, as shown in fig. 1, a push cylinder 6 is arranged on a supporting plate 10 which is right below the rotating shaft 2-21, a sleeve 15 is arranged on the push cylinder 6, the sleeve 15 is provided with a sleeve bottom and a circular sleeve wall, when the sleeve 15 is driven by the push cylinder 6 to push the sleeve 15 upwards, the push piece 14 slides upwards under the action of the sleeve 15, and extrudes the reset spring 5 upwards under the action of the sleeve 2-21 until the lower end of the rotating shaft 2-21 contacts with the sleeve bottom, so that the 2-21 slides upwards relative to the sleeve bottom 4-3 under the action of the sleeve bottom, the rotating shaft 2-21, the supporting piece is a nut which is in threaded connection with the sleeve 4-4, the rotor 4-4 is in a state of stretching out of the sleeve 411, and the sleeve 4-4 is stretched out of the sleeve 4-4, and the sleeve 411 is in a state of the natural state, and the sleeve 411 is stretched out of the sleeve 4; when the pushing cylinder 6 moves downwards, the sleeve bottom is separated from the rotating shaft 2-21, the rotating shaft 2-21 slides downwards relative to the sleeve 4-3 under the action of the elastic force of the reset spring 5, the connecting piece 4-4 at the top end of the testing rotor 2-2 slides into the sleeve 4-3, and the connecting piece 4-4 contracts inwards to clamp under the action of the inner wall of the sleeve 4-3 so that the clamping groove 4-412 is in closed contact to clamp the motor output shaft extending into the groove 4-411.
The application method of the embodiment comprises the following steps:
1. loosening the clamping groove 4-412: the pushing cylinder 6 pushes the pushing piece 14 upwards, the reset spring 5 contracts until the lower end of the rotating shaft 2-21 contacts with the bottom of the sleeve, the rotating shaft 2-21 slides upwards relative to the sleeve 4-3 under the action of the bottom of the sleeve, part of the clamping groove 4-412 on the connecting piece 4-4 at the top end of the test rotor 2-2 slides out of the sleeve 4-3, and the clamping groove 4-412 sliding out of the sleeve 4-3 expands outwards;
2. mounting a motor to a tester: inserting the output shaft of the motor into the extending groove 4-411 on the connecting piece 4-4, pushing the air cylinder 6 to slide downwards, separating the sleeve bottom from the rotating shaft 2-21, driving the connecting piece 4-4 to slide downwards by the rotating shaft 2-21 under the action of the elastic force of the reset spring 5, sliding the clamping groove 4-412 which slides out of the sleeve 4-3 in the step one into the sleeve 4-3, and closing the clamping groove 4-412 which slides into the sleeve 4-3 to clamp the output shaft of the motor and realizing connection;
3. positioning a motor: the lifting cylinder 9 pulls the fixed supporting piece 7 downwards, the downward pressing positioning piece 3 is propped against the upper end of the motor, the motor output shaft and the connecting piece 4-4 are further fixed in the sleeve 4-3, and the positioning part 3-1 on the downward pressing positioning piece 3 is matched with the upper end of the motor in a positioning way;
4. connecting the motor to a power supply and starting the motor test.
Certain terms are used throughout the description and claims to refer to particular products. It will be appreciated by those of ordinary skill in the art that manufacturers may refer to a same component by different names. It is not intended to distinguish between components that differ in function but not name. In the following description and claims, the terms "include," have "and" include "are open-ended terms, and thus should be interpreted to mean" include, but not limited to.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (5)
1. The utility model provides a use method of motor detection device, this motor detection device includes mount table (1), install test machine (2) that detect the motor, characterized by on mount table (1): the testing machine (2) comprises a base body (2-1) fixed on the mounting table (1), and a testing rotor (2-2) connected with an output shaft of the motor, wherein the testing rotor (2-2) is vertically arranged in the base body (2-1), a connecting end (4) connected with the output shaft of the motor is arranged at the top end of the testing rotor (2-2), and the connecting end (4) is arranged in the base body (2-1) through a bearing (2-3); a lifting pressing positioning piece (3) is arranged right above the test rotor (2-2), and a positioning part (3-1) for fixing the motor is arranged on the pressing positioning piece (3); the connecting end (4) comprises a sleeve (4-3), a connecting piece (4-4) which is slidably arranged in the sleeve (4-3), a connecting groove (4-41) which is connected with an output shaft of a motor is formed in the connecting piece (4-4), the test rotor (2-2) comprises a rotating shaft (2-21) which is connected with the connecting piece (4-4), the lower end of the rotating shaft (2-21) sequentially penetrates through a seat body (2-1) and a mounting table (1), a reset spring (5) is sleeved outside the rotating shaft (2-21), the upper end of the reset spring (5) is propped against the outer wall of the bottom of the seat body (2-1), a pushing piece (14) which is slidably connected with the rotating shaft (2-21) is connected with the bottom of the reset spring (5), a limit piece (16) which is arranged on the rotating shaft (2-21) is arranged on one side, which is far away from the reset spring (5), a pushing cylinder (6) is arranged under the rotating shaft (2-21), a sleeve (15) is connected with the piston end of the pushing cylinder (6), the sleeve (15) drives the pushing cylinder (6) through the pushing cylinder (6) to push the upper end of the pushing cylinder (4) to be matched with the reset piece (4) in the sliding way, the connecting groove (4-41) slides out of the sleeve (4-3) to be in a loosening state, and the connecting groove (4-41) slides into the sleeve (4-3) to be in a clamping state; the connecting groove (4-41) comprises an extending groove (4-411) which is arranged in the center of the connecting piece (4-4) and is used for placing an output shaft of the motor, and clamping grooves (4-412) which are axially arranged along the connecting piece (4-4) are distributed around the extending groove (4-411) at intervals; the pressing positioning piece (3) is fixed on the bottom of the outer end of the transversely arranged fixed supporting piece (7), the inner end of the fixed supporting piece (7) is fixed on the top of the sliding column (8), the sliding column (8) is vertically and slidably arranged on the mounting table (1), and the sliding column (8) penetrates through the bottom of the mounting table (1) and is connected with the lifting cylinder (9); the positioning part (3-1) is a positioning groove corresponding to the bulge of the motor rear cover;
the using method of the motor detection device comprises the following steps: 1. the connecting groove (4-41) is loosened, the pushing cylinder (6) pushes the pushing piece (14) upwards, the reset spring (5) contracts to enable part of the connecting groove (4-41) on the connecting piece (4-4) to slide out of the sleeve (4-3), and the connecting groove (4-41) sliding out of the sleeve (4-3) is opened outwards;
2. installing a motor on a testing machine, inserting an output shaft of the motor into a connecting groove (4-41) in the first step, sliding a pushing cylinder (6) downwards and separating from a pushing piece (14), pulling a connecting piece (4-4) downwards under the action of the elasticity of a reset spring (5), sliding the connecting groove (4-41) which slides out of a sleeve (4-3) in the first step into the sleeve (4-3), and clamping the output shaft of the motor by the connecting groove (4-41) which slides into the sleeve (4-3) to realize connection;
3. positioning the motor, wherein the lifting cylinder (9) pulls the fixed support (7) downwards, the downward pressing positioning piece (3) is propped against the upper end of the motor, the motor output shaft and the connecting groove (4-41) are further fixed in the sleeve (4-3), and the positioning part (3-1) on the downward pressing positioning piece (3) is matched with the upper end of the motor in a positioning way;
4. connecting the motor to a power supply and starting the motor test.
2. The method for using a motor detection device according to claim 1, wherein: the testing machine (2) comprises a generator arranged on the base body (2-1), the rotating force of the testing rotor (2-2) is converted into energy of the generator, and the generator is connected with a detection system.
3. The method for using a motor detection device according to claim 1, wherein: the connecting end (4) is a cylinder (4-1) with a blind hole (4-2) at the center, the shape and the size of the blind hole (4-2) are matched with those of the motor output shaft, and a spline (4-21) matched with a key slot on the motor output shaft is arranged in the blind hole (4-2).
4. The method for using a motor detection device according to claim 1, wherein: the support plate (10) is fixed below the mounting table (1), the pushing cylinder (6) and the lifting cylinder (9) are fixedly mounted on the support plate (10), and the support plate (10) is fixedly connected with the mounting table (1) through the support column (13).
5. The method for using a motor detection device according to claim 1, wherein: the pressing positioning piece (3) is provided with a heat dissipation groove (3-2) corresponding to the position of the motor heat dissipation area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310250561.6A CN116699389B (en) | 2023-03-16 | 2023-03-16 | Motor detection device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310250561.6A CN116699389B (en) | 2023-03-16 | 2023-03-16 | Motor detection device and use method thereof |
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| Publication Number | Publication Date |
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| CN116699389A CN116699389A (en) | 2023-09-05 |
| CN116699389B true CN116699389B (en) | 2024-04-05 |
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| CN202310250561.6A Active CN116699389B (en) | 2023-03-16 | 2023-03-16 | Motor detection device and use method thereof |
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| CN211698102U (en) * | 2019-12-30 | 2020-10-16 | 常州新骏电机有限公司 | Motor rotor performance detection device |
| CN213452193U (en) * | 2020-10-21 | 2021-06-15 | 汇鑫盛(天津)精密机械科技有限公司 | Internal thread connector |
| CN113203951A (en) * | 2021-05-10 | 2021-08-03 | 吉孚动力技术(中国)有限公司 | New forms of energy motor stalling test system |
| CN113567860A (en) * | 2021-09-26 | 2021-10-29 | 赛纬精密电子科技(江苏)有限公司 | Multifunctional experiment table for motor detection |
| CN215968789U (en) * | 2021-10-29 | 2022-03-08 | 湖南精正同业机械有限公司 | Motor rotor assembly fixture convenient to clamp |
| CN217385756U (en) * | 2021-12-30 | 2022-09-06 | 苏州祥泰达机电科技有限公司 | Motor negative pressure test system |
| CN114293902A (en) * | 2021-12-31 | 2022-04-08 | 哈尔滨工业大学 | Single-motor rotary impact power self-distribution drilling sampling device |
| CN115031947A (en) * | 2022-07-11 | 2022-09-09 | 浙江强立电机有限公司 | Motor rotor stability detection device |
| CN218601431U (en) * | 2022-11-15 | 2023-03-10 | 石家庄新三佳科技有限公司 | Motor rotor detection device |
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