CN110288898A - A kind of rotation class mech-electric experiment device that system parameter is variable - Google Patents
A kind of rotation class mech-electric experiment device that system parameter is variable Download PDFInfo
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- CN110288898A CN110288898A CN201910589258.2A CN201910589258A CN110288898A CN 110288898 A CN110288898 A CN 110288898A CN 201910589258 A CN201910589258 A CN 201910589258A CN 110288898 A CN110288898 A CN 110288898A
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- rotation axis
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
A kind of variable rotation class mech-electric experiment device of system parameter disclosed by the invention, belongs to technical field of experiment equipment.Including pedestal and the motor being set on the base, driving shafting, deceleration system, rotation axis system；Pass through setting driving shafting and rotation axis system, merge deceleration system, damping system and the fixation turntable that rotary inertia can be adjusted, after motor drives driving shafting rotation, by changing reduction ratio, damping and rotary inertia, the revolving speed of encoder measurement rotation axis system is utilized.By controlling parameters, to study the transmission function between parameters and device rotary speed.Apparatus structure design is reasonable, each system is made of typical mechanical part, the working order of each system can intuitively be observed, convenient for observing and understanding, device can freely convert between single order and high order system, and Parameter adjustable, the experimental model of diversification can be established to study its transmission function, algorithm control can also be carried out.
Description
Technical field
The invention belongs to technical field of experiment equipment, and in particular to a kind of rotation class mech-electric experiment dress that system parameter is variable
It sets.
Background technique
In the experiment of the correlated curriculums such as automation control principle, Mechanical Control Engineering Base, generally require using experimental bench
The fundamental characteristics and control effect of cooperation explanation control system make student to course set, interior have intuitive understanding and deep
Understanding.There are mainly two types of forms at present for the experimental bench of control system class: 1, electronic control simulation experimental bench by capacitor, resistance, is put
The system of the types such as single order, second order under the simulation different parameters such as big device, although this kind of experimental bench is more intuitive, with reality
Mechanical object difference farther out；2, the controlled experimental bench such as inverted pendulum, ball-beam system, the systems such as inverted pendulum, club are mechanical structure,
Its smooth motion is controlled by control algolithm, and this kind of experimental bench can be with exercise student ' modeling ability, while by control algolithm application
Into controlled device.But this kind of experimental bench cannot change experimental bench self structure parameter, the model established is single and fixed.
Summary of the invention
In order to overcome the problems of the above-mentioned prior art, the present invention provides the rotation class machines that a kind of system parameter can be changed
Electric experimental provision combines several typical mechanical parts, can establish ssystem transfer function, carries out algorithm control, in single order and
It is freely converted between high order system.
The present invention is to be achieved through the following technical solutions:
The invention discloses the rotation class mech-electric experiment devices that a kind of system parameter can be changed, including pedestal and setting are the bottom of at
Motor, driving shafting, deceleration system, rotation axis system on seat；
The output shaft of motor is connect with the input terminal of driving shafting, and motor is connected with electric machine control system；Drive shafting
Output end and the input terminal of deceleration system connect, and the output end of deceleration system and the input terminal of rotation axis system connect, rotation axis system
Input terminal be also connected with damping system；
Rotation axis system is equipped with fixed turntable and free turntable, and fixed turntable is fixedly connected with rotation axis system, fixed turntable
It is equipped with several connecting holes for fixed weight block；Free turntable can be fixed with fixed turntable, be turned with rotation axis system
It is dynamic, it can also be detached from rotation axis system；The output end of rotation axis system is connected with encoder, and encoder is connect with electric machine control system.
Preferably, deceleration system uses belt transmission system, including driving wheel, driven wheel and transmission belt, driving wheel to be located at drive
Moving axis is fastened, and driven wheel is located on rotation axis system, and driving wheel is connect by transmission belt with driven wheel.
Preferably, driving wheel and driven wheel are identified equipped with angle.
It is further preferred that belt transmission system is synchronization belt transmission system.
Preferably, damping system includes oil pump, flow valve and fuel tank；Oil pump and fuel tank are fixed on the base, oil pump and oil
Case is connected by oil pipe, and flow valve is equipped on oil pipe；The connection of the input terminal of oil pump and rotation axis system.
Preferably, electric machine control system includes motion control card, and motion control card is connected with display, processor and motor
Driver, motor driver are connected to motor, and motion control card is connect with encoder.
Preferably, motor is direct driving motor.
Preferably, the connecting hole is uniformly distributed in fixed turntable circumferential direction.
Preferably, it drives and is equipped with low-resistance bearing at the bearing of shafting and rotation axis system.
Preferably, drive the axis of shafting and rotation axis system each parallel to pedestal.
Compared with prior art, the invention has the following beneficial technical effects:
The variable rotation class mech-electric experiment device of system parameter disclosed by the invention passes through setting driving shafting and rotation axis
System, fusion deceleration system, damping system and the turntable that can adjust rotary inertia pass through after motor drives driving shafting rotation
Change reduction ratio, damping and rotary inertia, utilizes the revolving speed of encoder measurement rotation axis system.By controlling parameters, to grind
Study carefully the transmission function between parameters and device rotary speed.Rationally, each system is by typical mechanical part for apparatus structure design
Composition, can intuitively observe the working order of each system, convenient for observation and understand；Device can be between single order and high order system
It freely converts, and Parameter adjustable, the experimental model of diversification can be established to study its transmission function, algorithm control can also be carried out
System.
Further, deceleration system uses belt transmission system, and transmission ratio can pass through the diameter of driving wheel and driven wheel ratio
It is adjusted, by the diameter ratio for changing driving wheel and driven wheel, so that it may change reduction ratio, meet different experiment parameter need
It wants.And belt transmission system structure is simple, is convenient for building.
Further, driving wheel and driven wheel are identified equipped with angle, can intuitively be read the angle of rotation, are convenient for
Observation and record result.
Further, speed change system uses toothed belt transmission, can make between driving wheel, driven wheel and transmission belt without phase
To sliding, accurate transmission ratio can guarantee, keep the result of measurement more accurate.
Further, damping system controls oil stream amount size using flow valve opening size, and then changes damping, structure letter
It is single, it adjusts easy to control.
Further, motor uses direct driving motor, and structure is simple, occupies little space, and speed-regulating range width, electrodeless variable-speed can
Control property is strong.
Further, connecting hole is uniformly distributed in fixed turntable circumferential direction, can intuitively read the setting position of clump weight
It sets, convenient for research rotary inertia.
It is possible to further according to actual needs, low-resistance bearing, energy be arranged at the bearing of drive system and rotary system
Enough guarantee that the shafting of device is parallel with pedestal, guarantees the stability of device operation, improves the accuracy of institute's measured data.
Further, drive the axis of shafting and rotation axis system that can guarantee the even running of device each parallel to pedestal,
Improve the accuracy of experimental result.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is workflow schematic diagram of the invention.
In figure, 1 is pedestal, and 2 be motor, and 3 be driving shafting, and 4 be driving wheel, and 5 be driven wheel, and 6 be oil pump, and 7 be flow
Valve, 8 be fuel tank, and 9 be shaft coupling, and 10 be fixed turntable, and 11 be free turntable, and 12 be rotation axis system, and 13 be encoder, and 14 be oil
Pipe, 15 be transmission belt, and 21 be motor mounting rack, and 22 be turntable fixed frame, and 23 be encoder mounting rack.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawings and examples:
Embodiment 1
A kind of variable rotation class mech-electric experiment device of system parameter as shown in Figure 1, including pedestal 1 and it is installed in bottom
Motor 2, driving shafting 3, deceleration system, rotation axis system 12 on seat 1；Deceleration system includes driving wheel 4, driven wheel 5 and transmission
Band 15.Motor 2 is connected with motor driver, and motor driver is connect with motion control card, motion control card and computer and volume
Code device 13 connects.
Drive the axis of shafting 3 and rotation axis system 12 each parallel to pedestal 1, motor 2 is mounted on to be fixedly connected with pedestal 1
On motor mounting rack 21, and it is connected with one end of driving shafting 3, the preferred direct driving motor of motor 2, the other end of 3 system of drive shaft
Driving wheel 4 is installed, can according to actual needs, if dry bearing is arranged in driving shafting 3, bearing is mounted on solid with pedestal 1
Surely on the bearing mount connected；Driving wheel 4 constitutes belt transmission system by transmission belt 15 and driven wheel 5, and reduction ratio can lead to
The diameter ratio for crossing driving wheel 4 and driven wheel 5 is adjusted, and driving wheel 4 and driven wheel 5 are identified equipped with angle；Oil pump 6 is mounted on
It is connected with fuel tank 8 by oil pipe 14 on the oil pump mounting rack being fixedly connected with pedestal 1, flow valve 7 is equipped on oil pipe 14；Oil
Pump 6 is connect with driven wheel 5, and driven wheel 5 connects free turntable 11 by shaft coupling 9；Free turntable 11 by rotation axis system 12 with
Fixed turntable 10 connects, can according to actual needs, if dry bearing is arranged on rotation axis system 12, bearing is mounted on and pedestal 1
On the bearing mount being fixedly connected；Fixed turntable 10 is equipped with the connecting hole for being capable of fixing clump weight, and connecting hole turns fixed
It is uniformly distributed in 10 circumferential direction of disk；One end of rotation axis system 12 is connected with encoder 13, and encoder 13 is mounted in and is fixedly connected with pedestal 1
Encoder mounting rack 23 on；The center bore of free turntable 11 is greater than the diameter of axle of rotation axis system 12, can be in certain length model
It moves freely in enclosing, the end face of free turntable 11 is equipped with several through-holes, and the connecting hole on through-hole and fixed turntable 10 can be with
It is connected by connector such as screw, bolt and nut, so that free turntable 11 and fixed turntable 10 are connected into an entirety, is made certainly
Can be fixed with fixed turntable 10 by turntable 11, it is rotated together with drive shaft 3；The side of free turntable 11 is equipped with several screw holes,
The corresponding position of turntable fixed frame 22 is equipped with fixation hole, passes through fixation hole using connector such as screw or bolt and connect with screw hole
Afterwards, free turntable 11 can be fixed with turntable fixed frame 22, because the center bore of free turntable 11 is greater than rotation axis
It is 12 diameter of axle, when rotation axis system 12 rotates at this time, free turntable 11 will not be with rotation, and will not cause to rotation axis system 12
It influences.
Embodiment 2
Deceleration system is using toothed belt transmission, driving wheel 4 and driven wheel 5 from transmission gear is used, and transmission belt 15 is using same
Walk band.The center bore of free turntable 11 is greater than the diameter of axle of rotation axis system 12, can move freely within the scope of certain length, from
Several through-holes are equipped with by the end face of turntable 11, free turntable 11 uses two-flap type structure, and the splicing of two valves is set in when use
After on rotation axis system 12, by connector such as screw, bolt and nut by free turntable 11 and fixed turntable 10 connect into one it is whole
Body keeps free turntable 11 and fixed turntable 10 fixed, rotates together with drive shaft 3；When not used, two-flap type is freely turned
Disk 11 removes.Remaining part and connection relationship are the same as embodiment 1.
Embodiment 3
Deceleration system uses gear-box, and the input terminal of the output end and gear-box that drive shafting 3 connects, rotation axis system 12
The connection of the output end of input terminal and gear-box realizes different reduction ratio by selecting the gear-box of different reduction ratio.Its remaining part
Part and connection relationship are the same as embodiment 1.
Embodiment 4
Damping system uses spring-damp system, and spring-damp system is located at the input terminal of rotation axis system 12, passes through adjusting
The elastic force of spring obtains different size of damping.Remaining part and connection relationship are the same as embodiment 1.
The working principle of the invention is explained by taking embodiment 1 as an example below:
Such as Fig. 2, motor is connected with power supply, and motion control card has high-speed data, information transfer capability, is able to carry out IO and matches
It sets, can control the rotation mode of motor by motor driver, drive driving shafting rotation, and then drive driving wheel rotation,
Driving wheel drives driven wheel rotation by transmission belt, can need to select the driving wheel of different-diameter ratio and driven according to experiment
Wheel, so as to obtain the reduction ratio of different numerical value.Oil pump is connected with driven wheel, and oil follows between oil pump, fuel tank and flow valve
Ring controls the size of oil mass by flow valve, to provide different size of damping to driven wheel.Free turntable can be with fixation
The rotation of turntable fixed random rotation axis system, can also be still on turntable fixed frame；Can be fixedly mounted on fixed turntable it is several not
With the clump weight of weight, different rotary inertias can be obtained.Different parameter collective effects are surveyed on device by encoder
The output revolving speed for measuring device carries out data processing by processor, by data by data Real-time Feedback to motion control card
Real-time display over the display, so that the transmission function of whole device is established in research.Each system passes through different combinations, energy
It converts device freely between single order and high order system, meets the needs of different experiments.
It should be noted that the foregoing is merely a part of embodiment of the present invention, system having thus described the invention
The done equivalence changes of system, are included in protection scope of the present invention.Those skilled in the art can be with
Similar mode is done to described specific example to substitute, and without departing from structure of the invention or surmounts the claims
Defined range, all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of variable rotation class mech-electric experiment device of system parameter, which is characterized in that including pedestal (1) and be arranged the bottom of at
Motor (2), driving shafting (3), deceleration system, rotation axis system (12) on seat (1)；
The output shaft of motor (2) is connect with the input terminal of driving shafting (3), and motor (2) is connected with electric machine control system；Drive shaft
It is that the output end of (3) and the input terminal of deceleration system connect, the output end of deceleration system and the input terminal of rotation axis system (12) connect
It connects, the input terminal of rotation axis system (12) is also connected with damping system；
Rotation axis system (12) is equipped with fixed turntable (10) and free turntable (11), and fixed turntable (10) and rotation axis system (12) are solid
Fixed connection, fixed turntable (10) are equipped with several connecting holes for fixed weight block；Free turntable (11) can turn with fixed
Disk (10) is fixed, rotates together with rotation axis system (12), can also be detached from rotation axis system (12)；The output end of rotation axis system (12)
It is connected with encoder (13), encoder (13) is connect with electric machine control system.
2. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that deceleration system
Using belt transmission system, including driving wheel (4), driven wheel (5) and transmission belt (15), driving wheel (4) is located at driving shafting (3)
On, driven wheel (5) is located on rotation axis system (12), and driving wheel (4) is connect by transmission belt (15) with driven wheel (5).
3. the variable rotation class mech-electric experiment device of system parameter according to claim 2, which is characterized in that driving wheel
(4) it is identified with driven wheel (5) equipped with angle.
4. the variable rotation class mech-electric experiment device of system parameter according to claim 2, which is characterized in that V belt translation system
System is synchronization belt transmission system.
5. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that damping system
Including oil pump (6), flow valve (7) and fuel tank (8)；Oil pump (6) and fuel tank (8) are fixed on pedestal (1), oil pump (6) and fuel tank
(8) it is connected by oil pipe (14), is equipped with flow valve (7) on oil pipe (14)；Oil pump (6) and the input terminal of rotation axis system (12) connect
It connects.
6. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that motor control
System includes motion control card, and motion control card is connected with display, processor and motor driver, motor driver and motor
(2) it connects, motion control card is connect with encoder (13).
7. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that motor (2)
For direct driving motor.
8. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that the connection
Hole is uniformly distributed in fixed turntable (10) circumferential direction.
9. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that driving shafting
(3) and at the bearing of rotation axis system (12) it is equipped with low-resistance bearing.
10. the rotation class mech-electric experiment device of system according to claim 1 changeable parameters, which is characterized in that drive shaft
The axis of system (3) and rotation axis system (12) is each parallel to pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910589258.2A CN110288898B (en) | 2019-07-02 | 2019-07-02 | Rotary electromechanical experimental device with variable system parameters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910589258.2A CN110288898B (en) | 2019-07-02 | 2019-07-02 | Rotary electromechanical experimental device with variable system parameters |
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| CN110288898B CN110288898B (en) | 2021-07-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113640604A (en) * | 2021-08-12 | 2021-11-12 | 四川航天烽火伺服控制技术有限公司 | Comprehensive test device for electric steering engine |
| CN114199547A (en) * | 2021-12-17 | 2022-03-18 | 大连民族大学 | Special fixture capable of realizing slow change of excitation amplitude for rotor-bearing test bed |
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- 2019-07-02 CN CN201910589258.2A patent/CN110288898B/en not_active Expired - Fee Related
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| US20030067507A1 (en) * | 2001-08-31 | 2003-04-10 | Seiko Epson Corporation | Motor control method in recording apparatus and recording apparatus |
| CN101929896A (en) * | 2009-06-24 | 2010-12-29 | 西北工业大学 | High-precision friction dynamic process testing device and method |
| CN204359908U (en) * | 2014-12-31 | 2015-05-27 | 西安交通大学 | A kind of servo driving performance test and proof of algorithm device |
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| CN113640604A (en) * | 2021-08-12 | 2021-11-12 | 四川航天烽火伺服控制技术有限公司 | Comprehensive test device for electric steering engine |
| CN114199547A (en) * | 2021-12-17 | 2022-03-18 | 大连民族大学 | Special fixture capable of realizing slow change of excitation amplitude for rotor-bearing test bed |
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