CN104732866B - Disc cam profile design teaching demonstration and motion characteristic measuring instrument - Google Patents
Disc cam profile design teaching demonstration and motion characteristic measuring instrument Download PDFInfo
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- CN104732866B CN104732866B CN201510162664.2A CN201510162664A CN104732866B CN 104732866 B CN104732866 B CN 104732866B CN 201510162664 A CN201510162664 A CN 201510162664A CN 104732866 B CN104732866 B CN 104732866B
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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
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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
- G01M13/00—Testing of machine parts
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a disc cam profile design teaching demonstration and motion characteristic measuring instrument. A data change curve of a precision displacement sensor and a rotary shaft rotating angle sensor and a data change curve of a precision rotating angle sensor and the rotary shaft rotating angle sensor are drawn in real time through a function relation of data changes of the precision displacement sensor and data changes of the rotary shaft rotating angle sensor and a function relation of data changes of the precision angle sensor and the data changes of the rotary shaft rotating angle sensor, namely, a speed and accelerated speed characteristic curve of a driven piece in contact with a measured cam profile along with the work angle changes of a cam. Measured elements can be measured through reverse rotation of a rotary disc and the adopted high-precision sensors, reverse rotation type disc cam profile design principle demonstration teaching can be achieved, and the speed and accelerated speed characteristic curve of the driven piece in contact with the measured cam profile along with the work angle changes of the cam can be drawn in real time.
Description
Technical field
The present invention relates to a kind of teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument, are mainly used in machine
To setting to cam contours such as cartridge shape translation cam, eccentric disc shaped translation cam, oscillating cams during tool principle course teaching
Demonstration teaching and its kinetic characteristic measurement during meter theory teaching.
Background technology
Disc cam has played important function in the plant equipment in many fields, and the design of cam contour is to meet machinery
The premise of equipment requirement, in the incubation of mechanical principle course teaching and Machine Design engineer, cam design is important
Knowledge link, all the time, reversal process Design of Cam Profiles principle be also teaching in a difficult point.
In Teaching of Courses Concerning Mechanical Engineering abroad, in addition to classroom instruction, such as equipment for teaching, theory of mechanics mould are adopted
The teaching means such as type, it is a critically important ring to improve the quality of teaching, and the development of the equipment for teaching of China's mechanical courses is relative
Relatively backward, most of knowledge exists only in theoretic or can only carry out flash demo by three-dimensional software, then passes through
Understanding and receive mechanical professional knowledge, such teaching method cannot not only lift the study of student to the imagination of student oneself
Interest, and zoomed out between student and the mechanical mechanism design principle involved by these knowwhies, specialized courses
Distance.Reversal process designs the classroom teaching effect of cam contour in order to improve theory of mechanics, and also to allow learner's depth
The design process for understanding cam reversal process is carved, the teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument can be to the hearts
Direct acting and eccentric cam profile reversion generating process and oscillating cam profile reversion generating process carry out teaching demonstration, are entering
While row Design of Cam Profiles teaching, by corresponding sensing testing system level computer control system, quilt accordingly is carried out
The display of contour curve, displacement curve, speed characteristic curve and the acceleration characteristic curve of cam is surveyed, allows learner learning
During habit, fast direct is wielded and holds cam reversal process design principle.
Jing patent retrievals find：The China Patent No. of the propositions such as Mao Guoyong：ZL201010168065.9, it is entitled " to avoid
The method of surfaces of disc cams from generating gear marks ", is not related to reversal process Design of Cam Profiles principle demonstration teaching；Huang Wensheng etc. is carried
The China Patent No. for going out：ZL 201010298489.7, it is entitled " precise boundary measurement and accurate processing to be carried out to disc cam
Method ", what the patent emphasis was illustrated is the numerical-control processing method of disc cam and convex using the method measurement of measurement discrete point
Wheel profile, only relates only to the profile measurement of disc cam, is also not related to cam design demonstration teaching and reversal process work is former
Reason.Scripture offers inquiry, there is presently no corresponding teaching instruments used for education demonstrating the design process of cam reversal process, to survey in real time
The document that correlation does not occur in measuring instrument of amount cam kinetic characteristic etc. is delivered.
The content of the invention
In order to solve the above problems, the technical problem to be solved in the present invention be to provide a kind of simple structure, facilitate it is portable again
Meet mechanical principle course teaching in reversal process Design of Cam Profiles principle Design of Cam Profiles principle demonstration instrument, carry out it is convex
Wheel profile design teaching while, by TT＆C system export in real time tested cam profile curve, displacement curve, speed and
Acceleration characteristic curve, it is possible to for carrying out profile of plate cam dimensional measurement, in meeting mechanical principle course teaching process
Employing reversal process cam design principle design theory teaching demand, while can be with the profile complex geometry of accurate measurement dish type
Shape, and the kinetic characteristic curve of cam is drawn out, filled up carries out Design of Cam Profiles teaching demonstration teaching using reversal process
The instruments used for education of instrument and the blank of cam kinetic characteristic measurement, in mechanical principle course teaching and in the accurate survey of profile of plate cam
It is with a wide range of applications in amount.
What the present invention was realized particular by technical scheme below：
A kind of teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument, at least pacify including pedestal, tested cam
Dress axle, rotating disk, direct acting guide rod measuring staff, swing measuring staff, precise displacement sensor, precision corner sensor, motor and observing and controlling
Display system,
Rotating disk installation axle and tested cam installation axle are arranged on pedestal respectively by left base bearing and Right socle bearing,
The motor output shaft of the motor is connected by motor axle key with rotating disk installation axle, and the rotating disk installs bearing by rotating disk
In rotating disk installation axle, the rotating disk is installed with rotating disk and the first corresponding and identical connecting hole is respectively equipped with bearing, even
Pin axle inserts first connecting hole；Tested cam is arranged in tested cam installation axle, in the tested cam installation axle
The axle positioning key of axially position is installed, shaft coupling is connected by connecting bolt of coupling with rotating disk installation axle, the shaft coupling leads to
Cross axle positioning key positioning；
Direct acting guide rod measuring staff mounting rail is fixed by slideway fixing screws on the rotating disk, the direct acting guide rod measuring staff is installed
Beam is provided with horizontal concrete chute, fixes on the horizontal concrete chute in vertical chute, the vertical chute and installs direct acting guide rod measuring staff, institute
State horizontal concrete chute can horizontally slip adjust direct acting guide rod measuring staff mounting rail position, the direct acting guide rod measuring staff can be vertical
Move up and down in chute, the direct acting guide rod measuring staff is arranged in vertical chute by (the first back-moving spring, and the direct acting is led
Bar measuring staff and tested cam contact, precise displacement sensor coordinates with direct acting guide rod measuring staff installs and measures direct acting guide rod measuring staff position
Shifting amount；
The swing measuring staff is arranged on swinging connecting rod, and the swinging connecting rod is fixed on rotating disk by connecting rod screw
On, swinging measuring staff and swing around fork connecting rod and by back-moving spring and tested cam contact, precision corner sensor coordinates pendulum
The pendulum angle of swing measuring staff is installed and measured to dynamic measuring staff, and shaft rotary corner sensor coordinates rotating disk installation axle to install and measures rotating disk
The rotational angle of installation axle；
The observing and controlling display system connects respectively precise displacement sensor, precision corner sensor and shaft rotary corner sensing
Device.
Preferably, through the left base bearing and rotating disk end face and corresponding position is respectively equipped with the second connecting hole,
Connection driving lever inserts second connecting hole.
Preferably, it is respectively equipped with the 3rd connection through the Right socle bearing and the corresponding position of tested cam installation axle
Hole, camshaft connecting pin inserts the 3rd connecting hole.
Preferably, the observing and controlling display system obtains precise displacement sensor, precision corner sensor and shaft rotary corner and passes
The data variation of sensor, the data variation for obtaining precise displacement sensor and precision corner sensor is sensed respectively with shaft rotary corner
The functional relation of the data variation of device point, and real-time rendering goes out the data variation of precise displacement sensor and shaft rotary corner sensor
The data variation curve of curve, precision corner sensor and shaft rotary corner sensor, i.e.,：It is driven that tested cam contour contacts
Speed and acceleration characteristic curve that part changes with cam work angle.
What the present invention was produced has the beneficial effect that：The tested Design of Cam Profiles teaching teaching of dish type and kinetic characteristic measuring instrument knot
Structure is simple, easy to use, certainty of measurement is high, highly versatile, and conveniently intuitively profile of plate cam design principle can be drilled
Teaching, meets the requirement of reversal process cam design theory teaching, by the contour curve of the various disc cams of accurate measurement and
Relation between operating angle, intuitively realizes that tested cam contour curve in the course of the work is measured and shown, while can
To analyze and show the characteristic curve of tested cam in real time, in can apply to the demonstration teaching of cam designed teaching, while in disk
Also it is with a wide range of applications in shape cam contour Precision measurement.
Description of the drawings
Fig. 1 is the front view of the profile of plate cam designed teaching teaching of the present invention and kinetic characteristic measuring instrument；
Fig. 2 is the profile of plate cam designed teaching teaching of the invention of the present invention and kinetic characteristic measuring instrument sectional view；
Fig. 3 (a), (b) are that profile of plate cam designed teaching of the present invention teaching and kinetic characteristic measuring instrument TT＆C system are former
Reason figure；
Fig. 4 be profile of plate cam designed teaching of the present invention teaching and the tested cam profile curve of kinetic characteristic measuring instrument and
Characteristic curve generates program flow diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, a kind of teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument, at least including base
Seat 1, tested cam installation axle 29, rotating disk 2, direct acting guide rod measuring staff 5, swing measuring staff 8, precise displacement sensor 3, precision corner are passed
Sensor 32, motor 15 and observing and controlling display system, rotating disk installation axle 23 and tested cam installation axle 29 pass through respectively left pedestal
Bearing 16 and Right socle bearing 26 are arranged on pedestal 1, and motor 15 is fixed on by mounting screw 12 and adpting flange 13
On pedestal 1, the motor output shaft of the motor 15 is connected by motor axle key 14 with rotating disk installation axle 23, the rotating disk 2
Bearing 21 is installed by rotating disk to be arranged in rotating disk installation axle 23, it is right to be respectively equipped with the rotating disk 2 and rotating disk installation bearing 21
The first connecting hole that should and coincide, connection bearing pin 18 inserts first connecting hole；Tested cam 7 is installed installed in tested cam
On axle 29, the axle positioning key 25 of axially position, axle positioning key 25 and Right socle bearing are installed in the tested cam installation axle 29
Circlip 28 is provided between 26, shaft coupling 31 is connected by connecting bolt of coupling 24 with rotating disk installation axle 23, axle positioning key
25 can coordinate realization positioning, the shaft coupling 31 to position by axle positioning key 25 with shaft coupling.
Direct acting guide rod measuring staff mounting rail 20, the direct acting guide rod measuring staff peace are fixed on rotating disk 2 by slideway fixing screws 19
Dress beam 20 is provided with horizontal concrete chute 6, installation direct acting in vertical chute 4, the vertical chute 4 is fixed on the horizontal concrete chute 6 and is led
Bar measuring staff 5, the horizontal concrete chute 6 can horizontally slip and adjust the position of direct acting guide rod measuring staff mounting rail 20, the direct acting guide rod
Measuring staff 5 can be moved up and down in vertical chute 4, and the direct acting guide rod measuring staff 5 is arranged on vertical by (the first back-moving spring 22
In chute 4, and the direct acting guide rod measuring staff 5 is contacted with tested cam 7, and precise displacement sensor 3 coordinates with direct acting guide rod measuring staff 5
Install and measure the displacement of direct acting guide rod measuring staff 5.By adjusting position of the direct acting guide rod measuring staff 5 in horizontal concrete chute 6 in the present invention
Put, realize tested cam 7 to the heart or misalignment measurement and teaching.
Swing measuring staff 8 to be arranged on swinging connecting rod 10, the swinging connecting rod 10 is fixed on by connecting rod screw 11
On rotating disk 2, swing measuring staff 8 and swing around fork connecting rod 10 and contacted with tested cam 7 by second back-moving spring 9, precision turns
Angle transducer 32 coordinates swing measuring staff 8 to install and measure the pendulum angle of swing measuring staff 8, and shaft rotary corner sensor 30 coordinates rotating disk
The rotational angle of rotating disk installation axle 23 is installed and measured to installation axle 23.
Observing and controlling display system connects respectively precise displacement sensor 3, precision corner sensor 32 and rotating shaft and turns in the present invention
Angle transducer 30, observing and controlling display system obtains precise displacement sensor 3, precision corner sensor 32 and shaft rotary corner sensor 30
Data variation, the data variation for obtaining precise displacement sensor 3 and precision corner sensor 32 senses respectively with shaft rotary corner
The functional relation of the data variation of device 30 point, and real-time rendering goes out the number of precise displacement sensor 3 and shaft rotary corner sensor 30
According to change curve, the data variation curve of precision corner sensor 32 and shaft rotary corner sensor 30, i.e.,：Tested cam contour phase
Speed and acceleration characteristic curve that the driven member of contact changes with cam work angle.
The end face of the left base bearing 16 and rotating disk 2 is passed through in the present embodiment and corresponding position is respectively equipped with the second company
Hole is connect, connection driving lever 17 inserts second connecting hole；Through the Right socle bearing 26 and the tested correspondence of cam installation axle 29
Position be respectively equipped with the 3rd connecting hole, camshaft connecting pin 27 inserts the 3rd connecting hole
As in Fig. 2, the first connecting hole on connection bearing pin 18 insertion rotating disk 2 and rotating disk installation axle 23 connects driving lever 17
Depart from the second connecting hole of rotating disk 2, that is, realize rotation of the rotating disk 2 with rotating disk installation axle 23 under the driving of motor 15；When the company of dial-out
Pin axle 18, connection driving lever 17 is inserted in the hole of rotating disk 2, you can realize the fixation of rotating disk 2 and pedestal 1, it is ensured that rotating disk 2 is fixed
It is motionless；When transfering to connection bearing pin 18 and being connected driving lever 17, it is capable of achieving to rotate rotating disk 2 manually.
Shaft coupling 31 slides through to the right axle positioning key 25 and positions, and the rotary motion of rotating disk installation axle 23 is delivered to convex
Wheel installation axle 29, shaft coupling 31 slides depart from the disengaging that axle positioning key 25 realizes the tested rotation of cam installation axle 29 to the left.Work as connection
Axle device 31 slides when disengaging axle positioning key 25 to left end, and camshaft connecting pin 27 realizes that tested cam installation axle 29 is consolidated with pedestal 1
Even, it is ensured that the tested cam 7 in cam installation axle 29 is maintained static；When camshaft connecting pin 27 is removed, by shaft coupling
31 slide to the right with during the cooperation of cam installation axle positioning key 25, realize rotation of the tested cam 7 under the driving of motor 15.
Fig. 3 is the teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument TT＆C system schematic diagram, such as Fig. 3 (a)
It is shown, the input signal 33 of the precise displacement sensor at direct acting guide rod measuring staff 5 and the input signal 40 of shaft rotary corner sensor,
Respectively conversion of the signal to data signal is simulated by modulate circuit 34 (39), A/D converter 35 (38), is then input to
Measurement ＆control computer 36 carries out Mathematical treatment and control process, and by the observing and controlling result of TT＆C system 37 are exported and shown.
As shown in Fig. 3 (b), the input signal 41 and shaft rotary corner sensor of the precision corner sensor at swing measuring staff 8
Input signal 40, by modulate circuit 42 (39), A/D converter 43 (38) be simulated conversion of the signal to data signal,
Being then input to Measurement ＆control computer 36 carries out Mathematical treatment and control process, and the observing and controlling result of TT＆C system is exported and shown
Show 37.
Be illustrated in figure 4 the teaching of profile of plate cam designed teaching and the tested cam profile curve of kinetic characteristic measuring instrument and
Characteristic curve generates program flow diagram, by the way that precise displacement sensor, precision corner sensor, shaft rotary corner sensor are measured
Sensing input signal signal transacting is carried out by corresponding modulate circuit and A/D change-over circuits, be then input to observing and controlling calculating
Machine carries out Mathematical treatment, calculates cam elementary contour size and cam displacement characteristic, then draws out the displacement of tested cam
Contour curve and displacement curve；Then single order can lead judgement to be made whether to the placement property equation of tested cam, if
Being unable to single order can lead, and come back for remeasuring；Then first derivation computing is carried out to the placement property equation of tested cam, is obtained
To the speed characteristics equation of tested cam, and draw out its speed characteristic curve；Then its speed characteristics equation whether is judged
Rank can leadIf can lead, first derivation is carried out, obtain its acceleration characteristic equation, and draw out its acceleration characteristic curve；
If can not lead, judge whether its speed characteristics equation is infinitely mutated, if it is judge that the tested cam has rigidity punching
Hit, if it is not, then judging that the tested cam has soft impulse, equally draw out its sudden change of acceleration curve.
Under Motor drive, when tested cam and pedestal are affixed, rotating disk is fixed by holding screw and cam installation axle,
Rotating disk is rotated under the driving of motor, in its rotation process, the measuring staff being installed on it contact with cam contour and with
Cam contour be subjected to displacement or corner change, displacement transducer is used for measuring the direct acting displacement of direct acting guide rod measuring staff, and one turns
Angle transducer is used for measuring the pendulum angle for swinging measuring staff, and another rotary angle transmitter measurement is fixed on cam installation axle top rotary table
The counter-rotational rotational angle of relatively tested cam, by the postpositive disposal of TT＆C system, can obtain along disc cam respectively
Profile movement direct acting guide rod measuring staff direct acting displacement and rotating disk corner between functional relation, with oscillating cam profile variations
Swing measuring staff pivot angle and rotating disk corner between functional relation, rotating disk rotational response go out cam contour near angle of repose,
The operating angles such as lift angle, far angle of repose, backhaul angle, it is possible thereby to analyze dish type translation cam profile between its corner
Functional relation, oscillating cam pivot angle are with the functional relation between cam angle.
By process of the TT＆C software to TT＆C system output data, contour curve and the position of tested cam can be shown
Move characteristic curve, speed characteristic curve and acceleration characteristic curve.By the reversion of rotating disk, and using high-precision sensor reality
The measurement of existing element to be measured, it is possible to achieve reversal process profile of plate cam design principle demonstrates teaching, change cam and rotating disk
Fixed form is installed, accurate measurement can be carried out to profile of plate cam, and the characteristic curve of cam can in real time be analyzed.
The profile of plate cam designed teaching teaching and kinetic characteristic measuring instrument simple structure, easy to use, highly versatile, meet machinery
The design theory teaching demand of the employing reversal process cam design principle during principle course teaching, while can be with accurate measurement
The profile complex geometric shapes of dish type, and the kinetic characteristic curve of cam is drawn out, filled up carries out cam wheel using reversal process
The instruments used for education of wide designed teaching demonstration Teaching instrument and the blank of cam kinetic characteristic measurement, in mechanical principle course teaching and
It is with a wide range of applications in profile of plate cam accurate measurement.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (4)
1. a kind of teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument, it is characterised in that at least including pedestal
(1), tested cam installation axle (29), rotating disk (2), direct acting guide rod measuring staff (5), swing measuring staff (8), precise displacement sensor (3),
Precision corner sensor (32), motor (15) and observing and controlling display system,
Rotating disk installation axle (23) and tested cam installation axle (29) are respectively by left base bearing (16) and Right socle bearing (26)
On pedestal (1), the motor output shaft of the motor (15) is by motor axle key (14) and rotating disk installation axle (23)
Connection, the rotating disk (2) installs bearing (21) in rotating disk installation axle (23) by rotating disk, the rotating disk (2) and rotating disk
Install and correspondence and the first identical connecting hole are respectively equipped with bearing (21), first connecting hole is inserted in connection bearing pin (18)；
Tested cam (7) installs axially position on tested cam installation axle (29), on the tested cam installation axle (29)
Axle positioning key (25), shaft coupling (31) is connected by connecting bolt of coupling (24) with rotating disk installation axle (23), the shaft coupling
(31) positioned by axle positioning key (25)；
By fixed direct acting guide rod measuring staff mounting rail (20) of slideway fixing screws (19), the direct acting guide rod on the rotating disk (2)
Measuring staff mounting rail (20) is provided with horizontal concrete chute (6), and on the horizontal concrete chute (6) vertical chute (4), the vertical chute are fixed
(4) direct acting guide rod measuring staff (5) is installed, the horizontal concrete chute (6) can horizontally slip and adjust direct acting guide rod measuring staff mounting rail in
(20) position, the direct acting guide rod measuring staff (5) can move up and down in vertical chute (4), the direct acting guide rod measuring staff (5)
By (the first back-moving spring (22) in vertical chute (4), and the direct acting guide rod measuring staff (5) connects with tested cam (7)
Touch, precise displacement sensor (3) coordinates with direct acting guide rod measuring staff (5) installs and measure direct acting guide rod measuring staff (5) displacement；
On swinging connecting rod (10), the swinging connecting rod (10) is by connecting rod screw for swing measuring staff (8)
(11) it is fixed on rotating disk (2), swings measuring staff (8) and swing around fork connecting rod (10) and by second back-moving spring (9) and quilt
Cam (7) contact is surveyed, precision corner sensor (32) coordinates swing measuring staff (8) installation and measures the angle of oscillation for swinging measuring staff (8)
Degree, shaft rotary corner sensor (30) coordinates rotating disk installation axle (23) to install and measures the rotational angle of rotating disk installation axle (23)；
The observing and controlling display system connects respectively precise displacement sensor (3), precision corner sensor (32) and shaft rotary corner and passes
Sensor (30).
2. profile of plate cam designed teaching according to claim 1 teaching and kinetic characteristic measuring instrument, it is characterised in that
Through the left base bearing (16) and rotating disk (2) end face and corresponding position is respectively equipped with the second connecting hole, connect driving lever
(17) second connecting hole is inserted.
3. profile of plate cam designed teaching according to claim 1 teaching and kinetic characteristic measuring instrument, it is characterised in that
The 3rd connecting hole, camshaft are respectively equipped with through the Right socle bearing (26) and the corresponding position of tested cam installation axle (29)
Connecting pin (27) inserts the 3rd connecting hole.
4. profile of plate cam designed teaching according to claim 1 teaching and kinetic characteristic measuring instrument, it is characterised in that
The observing and controlling display system obtains precise displacement sensor (3), precision corner sensor (32) and shaft rotary corner sensor (30)
Data variation, obtain the data variation of precise displacement sensor (3) and precision corner sensor (32) respectively with shaft rotary corner
The functional relation of the data variation of sensor (30) point, and real-time rendering goes out precise displacement sensor (3) with shaft rotary corner sensing
The data variation curve of the data variation curve, precision corner sensor (32) and shaft rotary corner sensor (30) of device (30), i.e.,：
Speed and acceleration characteristic curve that the driven member that tested cam contour contacts changes with cam work angle.
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| CN201510162664.2A CN104732866B (en) | 2015-04-08 | 2015-04-08 | Disc cam profile design teaching demonstration and motion characteristic measuring instrument |
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| CN201510162664.2A CN104732866B (en) | 2015-04-08 | 2015-04-08 | Disc cam profile design teaching demonstration and motion characteristic measuring instrument |
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| CN104732866B true CN104732866B (en) | 2017-05-10 |
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| CN107464491A (en) * | 2017-07-18 | 2017-12-12 | 南京理工大学 | Cam mechanism experimental bench is used in one kind teaching |
| CN110517563B (en) * | 2019-08-14 | 2021-07-27 | 武汉光驰教育科技股份有限公司 | Interactive trigonometric function teaching device and method |
| CN112071183B (en) * | 2020-09-23 | 2022-04-19 | 广东工业大学 | Multifunctional motion detection teaching experiment system and control method |
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| CN203773864U (en) * | 2014-04-24 | 2014-08-13 | 温州大学 | Designed-through-reverse-method teaching aid used for demonstrating disc type cam profile |
| CN203870896U (en) * | 2014-05-29 | 2014-10-08 | 肖中阳 | Cam movement demonstration instrument |
| CN204029263U (en) * | 2014-07-21 | 2014-12-17 | 湖南文理学院 | Changeable cam drawing demonstrator |
| CN104200740A (en) * | 2014-09-01 | 2014-12-10 | 重庆交通大学 | Composite teaching tool of cam mechanism and demonstration control method thereof |
| CN104332093A (en) * | 2014-09-17 | 2015-02-04 | 杭州电子科技大学 | Cam analyzer |
| CN104332095A (en) * | 2014-09-19 | 2015-02-04 | 杭州电子科技大学 | Swing follower cam-gear train combination teaching aid |
| CN104332101A (en) * | 2014-11-14 | 2015-02-04 | 宁波大学 | Drawing device for displacement movement curve of push rod cam mechanism for teaching |
| CN104318853A (en) * | 2014-11-20 | 2015-01-28 | 南昌航空大学 | Cam reverse rotation principle demonstration instrument |
| CN204596309U (en) * | 2015-04-08 | 2015-08-26 | 武汉科技大学 | The teaching of profile of plate cam designed teaching and kinetic characteristic measuring instrument |
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