CN110082679A - A kind of electric machine experiment apparatus and its application method - Google Patents
A kind of electric machine experiment apparatus and its application method Download PDFInfo
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- CN110082679A CN110082679A CN201910458494.0A CN201910458494A CN110082679A CN 110082679 A CN110082679 A CN 110082679A CN 201910458494 A CN201910458494 A CN 201910458494A CN 110082679 A CN110082679 A CN 110082679A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
-
- 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
Abstract
The invention discloses a kind of electric machine experiment apparatus, including dynamometer machine and tested motor, motor shaft is connect with measurement of power arbor by rapid coupler, rapid coupler includes tightening fixing end and return collet fixing end, tighten fixing end and dynamometer machine axis connection, return collet fixing end and motor axis connection are equipped with the relative motion assembly for making dynamometer machine Yu tested motor relative motion between dynamometer machine and tested motor.Relative motion assembly can realize the change of dynamometer machine Yu tested motor relative position, tested motor need not be removed, pass through the mobile dynamometer machine of relative motion assembly or tested motor, it can realize and different tested motors are tested, rapid coupler may be implemented to carry out the purpose that motor is switched fast in the experiment of different model tested motor.The present invention also provides a kind of application methods of electric machine experiment apparatus.
Description
Technical field
The invention belongs to technical field of motors, and in particular to a kind of electric machine experiment apparatus and its application method.
Background technique
Electric machine experiment apparatus common at present is fixed connection, and dynamometer machine is fixed with tested motor position, if desired surveyed
The performance parameter for trying different tested motors then needs to remove tested motor or shaft coupling, pacifies again after replacing tested motor
Dress, process are more complicated.
Summary of the invention
For the deficiencies in the prior art, it is simple, easy to use that the purpose of the present invention is to provide a kind of structures
Electric machine experiment apparatus can carry out rotational speed and torque experiment to different motors, may be implemented in conjunction with rapid coupler to different model
The purpose that motor is switched fast in motor experiment；The present invention also provides a kind of application methods of electric machine experiment apparatus.
To achieve the above object, the technical solution of the present invention is as follows: a kind of electric machine experiment apparatus, including dynamometer machine and tested electricity
Machine, the motor shaft are connect with measurement of power arbor by rapid coupler, and measurement of power arbor is fixedly connected with rapid coupler, dynamometer machine
The relative motion assembly for making dynamometer machine Yu tested motor relative motion is equipped between tested motor.
Further, the rapid coupler includes tightening fixing end and return collet fixing end, described to tighten fixing end
With dynamometer machine axis connection, return collet fixing end and motor axis connection.
Further, the return collet fixing end includes collet, press rods, spring and fixed block, one end of press rods
It is connect with collet, the other end of press rods is connect with spring, and fixed block is equipped with for pacifying spring-loaded spring eye.
Further, the return collet fixing end further includes cam structure, supporting block and casing, and casing is actively socketed on
It is located at the outside of return collet fixing end on fixed block, supporting block is fixedly connected on fixed block, and press rods are hinged on supporting block
On, one end of cam structure is contacted with press rods, and one end of cam structure and the inner wall of casing connect.
Further, the relative motion assembly includes motor support base and the movable plate for carrying dynamometer machine, the electricity
Machine support is equipped with motor slot and guide rail for installing tested motor, and movable plate is equipped with guide groove, movable plate by guide groove with
Guide rail cooperation is slidably connected on motor support base.
Further, the relative motion assembly includes fixed disk for carrying tested motor and for carrying dynamometer machine
Rotating disk, rotating disk is rotatably connected on the middle part of fixed disk, and rotating disk is connected in fixed disk by bearing and shaft.
Further, the relative motion assembly includes for carrying the fixed plate of dynamometer machine, for carrying tested motor
Swivel plate and connecting rod, fixed plate be fixedly connected on one end of connecting rod, swivel plate is rotatably connected on the other end of connecting rod.
Further, the bottom of the fixed plate is equipped with carrier block I, and the bottom of swivel plate is equipped with carrier block II, connecting rod
Both ends connect respectively with carrier block I and carrier block II.
Based on a kind of above-mentioned electric machine experiment apparatus, the present invention also provides a kind of application method of electric machine experiment apparatus, institutes
Application method is stated to include the following steps:
Dynamometer machine and tested motor are separately mounted on corresponding load carrier by step 1., mobile dynamometer machine or by
Measured motor keeps both dynamometer machine and tested motor corresponding, by rapid coupler by motor shaft and dynamometer machine axis connection, carries out
Experiment；
For step 2. when needing to test other tested motor, operation rapid coupler exits motor shaft, moves
Dynamic dynamometer machine or tested motor, keep dynamometer machine corresponding with another tested motor, equally by rapid coupler by motor shaft and
Dynamometer machine axis connection is simultaneously tested.
Further, the rapid coupler tightens fixing end and dynamometer machine axis connection, return collet fixing end and electricity
Arbor connection, concrete operations are as follows: when rapid coupler tighten fixing end and after measurement of power arbor tightens fixed, by casing to close
The side of dynamometer machine is mobile, and the cam structure connecting with casing applies pressure, spring-compressed to press rods, and then makes collet
It opens, the return collet fixing end of quick shaft joint, which is in, opens, and motor shaft waits entering state；Then motor shaft is moved into opening
In collet mouth, casing is mobile to the side far from dynamometer machine, and cam structure is gradually reduced the pressure of press rods during this
To zero, spring, which extends through lever principle, makes collet clamping motor axis, starts to test.
The advantages of using technical solution of the present invention are as follows:
1, the present invention devises a variety of electric machine experiment apparatus that can be quickly tested simultaneously to multiple motors, i.e., longitudinally
Mobile electric machine experiment apparatus, all cloth electric machine experiment apparatus and rotating electric machine formula experimental provision, to meet different experiment shapes
Condition, without reinstalling motor, makes test process become letter without removing motor or shaft coupling when testing to different motors
It is single easy to operate.
2, the present invention a kind of rapid coupler for facilitating connection has also been devised, can quickly unclamp with clamping motor axis,
Dismounting couplers can not be had to when switching different motor experiments, realization is switched fast motor in different model motor experiment
Purpose.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is longitudinal shift type electric machine experiment apparatus structural schematic diagram of the present invention.
Fig. 2 is all cloth electric machine experiment apparatus structural schematic diagrams of the present invention.
Fig. 3 is rotating electric machine formula experimental provision structural schematic diagram of the present invention.
Fig. 4 is rotating electric machine formula experimental provision bottom schematic view of the present invention.
Fig. 5 is rapid coupler structural schematic diagram of the present invention.
Fig. 6 is rapid coupler schematic diagram of internal structure of the present invention.
Label in above-mentioned figure is respectively as follows: 1, dynamometer machine；11, measurement of power arbor；2, tested motor；21, motor shaft；3, quickly
Shaft coupling；31, fixing end is tightened；32, return collet fixing end；33, collet；34, press rods；35, spring；351, spring shaft
Set；36, fixed block；37, cam structure；38, supporting block；39, casing；4, relative motion assembly；41, motor support base；411, electric
Trough；412, guide rail；42, movable plate；421, guide groove；43, fixed disk；44, rotating disk；45, fixed plate；451, carrier block I；
46, swivel plate；461, carrier block II；47, connecting rod.
Specific embodiment
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " in-plane ", " week
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
As shown in Figures 1 to 6, a kind of electric machine experiment apparatus, including dynamometer machine 1 and tested motor 2, motor shaft 21 and measurement of power
Arbor 11 is connected by rapid coupler 3, and measurement of power arbor 11 is fixedly connected with rapid coupler 3, dynamometer machine 1 and tested motor 2
Between be equipped with relative motion assembly 4 for making dynamometer machine 1 Yu 2 relative motion of tested motor.Relative motion assembly 4 can realize survey
The change of function machine 1 and 2 relative position of tested motor passes through the mobile dynamometer machine 1 of relative motion assembly 4 without tested motor is removed
Or tested motor 2, it can realize and different tested motors 2 are tested, rapid coupler 3 may be implemented tested in different model
The purpose that motor is switched fast is carried out in motor experiment.
Rapid coupler 3 includes tightening fixing end 31 and return collet fixing end 32, tightens fixing end 31 and measurement of power arbor
11 connections, return collet fixing end 32 are connect with motor shaft 21.Return collet fixing end 32 includes collet 33, press rods 34, bullet
One end of spring 35 and fixed block 36, press rods 34 is connect with collet 33, and the other end of press rods 34 is connect with spring 35, fixed block
36 are equipped with the spring eye for installing spring 35, and the both ends of spring 35 are connect with press rods 34 respectively through spring eye.To increase
The stability that plus-pressure bar 34 is connect with spring 35 is equipped with spring axle sleeve 351, spring axle sleeve between press rods 34 and spring 35
351 one end is connect with press rods 34, and the other end of spring axle sleeve 351 is socketed in the end of spring 35, and cooperates with spring eye
It can move up and down in spring eye, play guiding and reinforce stable effect.
Return collet fixing end 32 further includes cam structure 37, supporting block 38 and casing 39, and casing 39 is actively socketed on solid
Determine the outside for being located at return collet fixing end 32 on block 36, supporting block 38 is fixedly connected on fixed block 36, and press rods 34 are hinged
In supporting block 38, one end of cam structure 37 is contacted with press rods 34, and one end of cam structure 37 and the inner wall of casing 39 connect
It connects.Moving back and forth for casing 39 drives cam structure 37 to move, and realizes the contraction of spring, and then realizes clamping and the pine of collet 33
It opens.
The working principle of rapid coupler 3 are as follows: the fixing end 31 of tightening of fast shaft coupling 3 is connect with measurement of power arbor 11, return
Collet fixing end 32 is connect with motor shaft 21, concrete operations are as follows: tightens fixing end 31 and measurement of power arbor 11 when rapid coupler 3
Tighten it is fixed after, by casing 39 to mobile close to the side of dynamometer machine 1, the cam structure 37 connecting with casing 39 is to press rods 34
Apply pressure, spring 35 compresses, and then opens collet 33, and the return collet fixing end 32 of quick shaft joint, which is in, opens, electricity
Arbor waits entering state；Then motor shaft is moved into the collet mouth opened, by casing 39 to the sidesway far from dynamometer machine 1
Dynamic, cam structure 37 is gradually decrease to zero to the pressure of press rods during this, and spring 35, which extends through lever principle, makes collet
33 clamping motor axis 21, start to test.
The internal diameter of casing 39 is greater than the outer diameter for tightening fixing end 31, and casing 39 is slided along fixing end 31 is tightened, according to collet
Casing 39 sets there are two groove on the inner wall of casing 39, twists relative to the position for tightening fixing end 31 when 33 openings and clamping
Fasten the fixation for setting on the outer wall of fixed end 31 and realizing 39 position of casing there are two protrusion, groove and male cooperation.
According to the arrangement of dynamometer machine 1 and tested motor 2, it is preferred that electric machine experiment apparatus of the invention includes longitudinal
Mobile electric machine experiment apparatus, all cloth electric machine experiment apparatus and rotating electric machine formula experimental provision.
For longitudinal shift type electric machine experiment apparatus, relative motion assembly 4 is including motor support base 41 and for carrying measurement of power
The movable plate 42 of machine 1, motor support base 41 are equipped with motor slot 411 and guide rail 412 for installing tested motor 2, movable plate 42
It is equipped with guide groove 421, movable plate 42 is slidably connected on motor support base 41 by guide groove 421 and the cooperation of guide rail 412.To guarantee to lead
The fastness that rail 412 and guide groove 421 cooperate, guide groove 421 are dovetail groove, and guide rail 412 is the dovetail guide cooperated with dovetail groove；Quilt
Measured motor 2 is fixedly mounted on motor support base 41, and position corresponding with tested motor 2 is in the guide groove 421 of movable plate 42 and leads
Rail 412 is equipped with through-hole, and passing through the through-hole on guide groove 421 and guide rail 412 with pin shaft can realize dynamometer machine 1 on motor support base 41
Positioning, and then make the corresponding tested motor 2 of dynamometer machine 1, movable plate 42 is slided along motor support base 41, can adjust the position of dynamometer machine 1
It sets, it is made to correspond to different tested motors 2, different tested motors 2 is tested.
Longitudinal shift type electric machine experiment apparatus working principle are as follows: dynamometer machine 1 is fixed on movable plate 42, first by measurement of power
Machine 1 is connected with rapid coupler 3, and movable plate 42 is then moved into one by guide rail 412 and guide groove 421 and is tested
The station of motor 2 is tested.After completing test, motor shaft is exited, is moved to another tested electricity then along guide rail 412
The position of machine 2 repeats appeal operation and is tested.
For all cloth electric machine experiment apparatus, relative motion assembly 4 includes 43 He of fixed disk for carrying tested motor 2
For carrying the rotating disk 44 of dynamometer machine 1, rotating disk 44 is rotatably connected on the middle part of fixed disk 43, rotating disk 44 by bearing and
Shaft is connected in fixed disk 43, and bearing is mounted in fixed disk 43, and one end of shaft is connect with bearing, the other end of shaft with
Rotating disk 44 connects.Circumferentially in fixed disk 43, dynamometer machine 1 is fixedly connected in rotating disk 44 with rotation tested motor 2
Turntable 44 rotates, and is tested with realizing to tested motor 2 different in fixed disk 43, and it is fixed to be equipped at each tested motor 2
Position hole, the junction of dynamometer machine 1 and tested motor 2 is equipped with connecting plate in rotating disk 44, and connecting plate is equipped with through-hole, works as rotation
Dynamometer machine 1 and 2 pairs of different tested motors it is corresponding when through-hole be overlapped just with location hole, pass through through-hole and location hole with pin shaft and realize
The fixation of dynamometer machine 1 and 2 relative position of tested motor.
The working principle of all cloth electric machine experiment apparatus are as follows: fixed after first connecting dynamometer machine 1 with rapid coupler 3
In intermediate rotating disk 44；Then allow to and be arranged in fixed disk 43 by the angle that rotating disk 44 corrects dynamometer machine 1
On 2 cooperating of tested motor, by rotate rotating disk 44 can realize that 1 pair of dynamometer machine different tested motor 2 is tested.
For rotating electric machine formula experimental provision, relative motion assembly 4 includes for carrying the fixed plate 45 of dynamometer machine 1, using
In the swivel plate 46 and connecting rod 47 of carrying tested motor 2, fixed plate 45 is fixedly connected on one end of connecting rod 47, swivel plate 46
It is rotatably connected on the other end of connecting rod 47.The bottom of fixed plate 45 is equipped with carrier block I 451, and the bottom of swivel plate 46, which is equipped with, holds
Block II 461 is carried, the both ends of connecting rod 47 are connect with carrier block I 451 and carrier block II 461 respectively.In dynamometer machine 1 and tested motor
It is equipped with location hole on 2 junction swivel plate 46 and connecting rod 47, after dynamometer machine 1 is corresponding with 2 position of tested motor, pin shaft
Location hole on swivel plate 46 and connecting rod 47 realizes the fixation of dynamometer machine 1 and 2 relative position of tested motor, dynamometer machine 1
It is connect with tested motor 2.It can be adsorbed on swivel plate 46 by electromagnet for convenience of disassembly tested motor 2.
Rotating electric machine formula experimental provision working principle are as follows: dynamometer machine 1 is fixed in fixed plate 45 first, then by measurement of power
Machine 1 is connect with rapid coupler 2, allows to match with rapid coupler by the station that rotation swivel plate 46 debugs tested motor
Close work；It is real by second tested motor progress of the switching of rotating electric machine swivel plate 46 after the completion of first tested motor test
It tests.
Based on above-mentioned electric machine experiment apparatus, the invention further relates to a kind of application method of electric machine experiment apparatus, including it is as follows
Step:
Dynamometer machine 1 and tested motor 2 are separately mounted on corresponding load carrier by step 1., mobile dynamometer machine 1
Or tested motor 2, keep both dynamometer machine 1 and tested motor 2 corresponding, by rapid coupler 3 by motor shaft 21 and dynamometer machine
Axis 11 connects, and is tested；
For step 2. when needing to test other tested motor 2, operation rapid coupler 3 moves back motor shaft 21
Out, mobile dynamometer machine 1 or tested motor 2, keep dynamometer machine 1 corresponding with another tested motor 2, equally pass through rapid coupler 3
Motor shaft 21 is connect and tested with measurement of power arbor 11.
The wherein working principle of rapid coupler 3: the fixing end 31 of tightening of rapid coupler 3 is connect with measurement of power arbor 11,
Return collet fixing end 32 is connect with motor shaft 21, concrete operations are as follows: tightens fixing end 31 and dynamometer machine when rapid coupler 3
Axis 11 tighten it is fixed after, by casing 39 to mobile close to the side of dynamometer machine 1, the cam structure 37 connecting with casing 39 is to pressure
Bar 34 applies pressure, and spring 35 compresses, and then opens collet 33, and the return collet fixing end 32 of quick shaft joint, which is in, opens
It opens, motor shaft waits entering state；Then by motor shaft move into open collet mouth in, by casing 39 to far from dynamometer machine 1 one
Side is mobile, and cam structure 37 is gradually decrease to zero to the pressure of press rods during this, and spring 35, which extends through lever principle, to be made
33 clamping motor axis 21 of collet, starts to test.
The present invention is exemplarily described in conjunction with attached drawing above, it is clear that the present invention implements not by aforesaid way
Limitation, as long as use technical solution of the present invention carry out various unsubstantialities improvement, or it is not improved will be of the invention
Conception and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. a kind of electric machine experiment apparatus, it is characterised in that: including dynamometer machine (1) and tested motor (2), the motor shaft (21) with
Measurement of power arbor (11) is connected by rapid coupler (3), and measurement of power arbor (11) is fixedly connected with rapid coupler (3), dynamometer machine
(1) the relative motion assembly for making dynamometer machine (1) Yu tested motor (2) relative motion is equipped between tested motor (2)
(4)。
2. a kind of electric machine experiment apparatus as described in claim 1, it is characterised in that: the rapid coupler (3) includes twisting
Fastening fixed end (31) and return collet fixing end (32), the fixing end (31) of tightening are connect with measurement of power arbor (11), return folder
Head fixing end (32) is connect with motor shaft (21).
3. a kind of electric machine experiment apparatus as claimed in claim 2, it is characterised in that: the return collet fixing end (32) includes
One end of collet (33), press rods (34), spring (35) and fixed block (36), press rods (34) is connect with collet (33), pressure
The other end of bar (34) is connect with spring (35), and fixed block (36) is equipped with the spring eye for installing spring (35).
4. a kind of electric machine experiment apparatus as claimed in claim 3, it is characterised in that: the return collet fixing end (32) is also wrapped
Cam structure (37), supporting block (38) and casing (39) are included, casing (39), which is actively socketed on fixed block (36), is located at return folder
The outside of head fixing end (32), supporting block (38) are fixedly connected on fixed block (36), and press rods (34) are hinged on supporting block
(38) on, one end of cam structure (37) is contacted with press rods (34), one end of cam structure (37) and the inner wall of casing (39)
Connection.
5. a kind of electric machine experiment apparatus as described in claim 2 to 4 any one, it is characterised in that: the relative motion is total
Include motor support base (41) at (4) and the movable plate (42) for carrying dynamometer machine (1), the motor support base (41), which is equipped with, to be used
In the motor slot (411) and guide rail (412) of installation tested motor (2), movable plate (42) is equipped with guide groove (421), movable plate
(42) it is slidably connected on motor support base (41) by guide groove (421) and guide rail (412) cooperation.
6. a kind of electric machine experiment apparatus as described in claim 2 to 4 any one, it is characterised in that: the relative motion is total
At the rotating disk (44) that (4) include for carrying the fixed disk of tested motor (2) (43) and for carrying dynamometer machine (1), rotation
Disk (44) is rotatably connected on the middle part of fixed disk (43), and rotating disk (44) is connected on fixed disk (43) by bearing and shaft.
7. a kind of electric machine experiment apparatus as described in claim 2 to 4 any one, it is characterised in that: the relative motion is total
At (4) include for carrying the fixed plate of dynamometer machine (1) (45), the swivel plate (46) for carrying tested motor (2) and connection
Bar (47), fixed plate (45) are fixedly connected on one end of connecting rod (47), and swivel plate (46) is rotatably connected on connecting rod (47)
The other end.
8. a kind of electric machine experiment apparatus as claimed in claim 7, it is characterised in that: the bottom of the fixed plate (45) is equipped with and holds
Carry block I (451), the bottom of swivel plate (46) is equipped with carrier block II (461), the both ends of connecting rod (47) respectively with carrier block I
(451) it is connected with carrier block II (461).
9. a kind of a kind of application method of electric machine experiment apparatus as described in claim 1 to 8 any one, it is characterised in that:
The application method includes the following steps:
Dynamometer machine (1) and tested motor (2) are separately mounted on corresponding load carrier by step 1., mobile dynamometer machine
(1) or tested motor (2), make both dynamometer machine (1) and tested motor (2) corresponding, by rapid coupler (3) by motor shaft
(21) it connect, is tested with measurement of power arbor (11)；
For step 2. when needing to test other tested motor (2), motor shaft (21) is moved back in operation rapid coupler (3)
Out, mobile dynamometer machine (1) or tested motor (2), keep dynamometer machine (1) corresponding with another tested motor (2), same by quick
Motor shaft (21) is connect and is tested with measurement of power arbor (11) by shaft coupling (3).
10. a kind of application method of electric machine experiment apparatus as claimed in claim 9, it is characterised in that: the rapid coupler
(3) fixing end (31) of tightening is connect with measurement of power arbor (11), and return collet fixing end (32) is connect with motor shaft (21), specifically
Operation are as follows: when the tightening of rapid coupler (3) fixing end (31) and measurement of power arbor (11) are tightened it is fixed after, by casing (39) to leaning on
The side of nearly dynamometer machine (1) is mobile, and the cam structure (37) connecting with casing (39) applies pressure, spring to press rods (34)
(35) compress, and then open collet (33), the return collet fixing end (32) of quick shaft joint, which is in, opens, motor shaft wait for into
Enter state；Then motor shaft is moved into the collet mouth opened, casing (39) is mobile to the side far from dynamometer machine (1), this
Cam structure (37) is gradually decrease to zero to the pressure of press rods in the process, and spring (35), which extends through lever principle, makes collet
(33) clamping motor axis (21) start to test.
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| CN201910458494.0A CN110082679A (en) | 2019-05-29 | 2019-05-29 | A kind of electric machine experiment apparatus and its application method |
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| CN201910458494.0A CN110082679A (en) | 2019-05-29 | 2019-05-29 | A kind of electric machine experiment apparatus and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110542859A (en) * | 2019-10-25 | 2019-12-06 | 四川诚邦浩然测控技术有限公司 | New forms of energy motor power observes and controls rack |
| CN113063558A (en) * | 2021-04-09 | 2021-07-02 | 哈尔滨理工大学 | Vibration test bench for automobile transmission |
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