CN203910149U - Cam teaching device - Google Patents

Cam teaching device Download PDF

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Publication number
CN203910149U
CN203910149U CN201420195809.XU CN201420195809U CN203910149U CN 203910149 U CN203910149 U CN 203910149U CN 201420195809 U CN201420195809 U CN 201420195809U CN 203910149 U CN203910149 U CN 203910149U
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CN
China
Prior art keywords
cam
fixed
paintbrush
substrate
fixed head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420195809.XU
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Chinese (zh)
Inventor
袁源强
郑涛
李进进
廖明荣
章谊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN201420195809.XU priority Critical patent/CN203910149U/en
Application granted granted Critical
Publication of CN203910149U publication Critical patent/CN203910149U/en
Anticipated expiration legal-status Critical
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Abstract

A cam teaching device provided by the utility model comprises a substrate, an execution module and an acceleration module, and the execution module comprises a fixing plate, a first transmission member, a drawing board, a cam, a polished rod, a pushing member and a first paintbrush. The fixing plate can be fixed to the substrate movably, the first transmission member drives the cam and the drawing board to move, the cam and the drawing board are contacted with the pushing member during the movement process to drive the pushing member to move up and down, and the movement of the pushing member drives the first paintbrush to move, thereby drawing a movement curve of the cam. On the contrary, the pushing member draws a contour line of the cam on the drawing board according to the movement curve of the cam. The acceleration module comprises a flat board, a control circuit, a second transmission member, a second paintbrush rack and a second paintbrush. The flat board can be fixed to the substrate movably, the control circuit detects the movement speed of the polished rod real timely, and the second transmission member drives the second paintbrush to move according to the detection values, thereby drawing an acceleration curve of the cam.

Description

Cam instructional device
Technical field
The utility model relates to teaching aid technique with the apparatus field, and is particularly related to a kind of cam instructional device.
Background technology
In view of modes that adopt animated shows in the teaching of cam instantly, student is few for cam contact, and has partial content indigestion more, only adopts flash demo not have ideal effect and is difficult to excite classmates' study enjoyment.And the cam instructional device instantly having is only by the example application hypostazation of cam, multiple cam application are focused on cam display platform, show one by one the application of various common cams to classmates.Though overcome some weakness of flash demo, can allow classmates undergo working method and the feature of cam, but still cannot overcome obtaining of for example cam profile curve of a difficult problem in cam teaching, difference between various push rods etc. is all difficult to embody, this just makes it expose another shortcoming, function singleness, so this teaching aid is difficult to apply.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of cam instructional device.
To achieve these goals, the utility model provides a kind of cam instructional device, comprises substrate, execution module and acceleration module.Execution module comprises fixed head, the first driving member, drawing board, cam, polished rod, impeller and the first paintbrush.Fixed head movable is fixed on substrate.The first driving member is connected with bolt of fixing plate.Drawing board is arranged at the top of the first driving member.Cam is arranged at the top of drawing board.Wherein, the first driving member drives drawing board and camming movement.The movable fixed head that is arranged at of polished rod.Impeller is connected with polished rod bolt, and the top of one end of impeller contacts with cam point, and bottom contacts with drawing board.The first paintbrush is fixedly connected with polished rod by the first paintbrush frame.Acceleration module comprises flat board, control circuit, the second driving member, the second paintbrush frame and the second paintbrush.Dull and stereotyped movable is fixed on substrate.Control circuit comprises controller and sensor, and sensor detects the change in displacement of polished rod in real time, and this detected value is passed to controller, and controller calculates the acceleration of polished rod according to detection signal, and exports this acceleration signal to second driving member.The second driving member is fixed on flat board.The second paintbrush frame and the second driving member bolt are fixed, and the movable flat board that is fixed on.The second paintbrush is fixed on the second paintbrush frame.
In the utility model one embodiment, the first driving member comprises motor, the first gear, the second gear and the first tooth bar.Motor is fixed on fixed head.The rotation axis of the first gear and motor is fixed.The second gear and the first gear phase interlock.Substrate is fixed in first tooth bar one end, the other end and the second gear phase interlock.
In the utility model one embodiment, impeller is respectively any in top push rod, flat push rod, roller tappet, top paintbrush, flat paintbrush and roller paintbrush.
In the utility model one embodiment, the bottom of fixed head is provided with multiple the first slide blocks along the length direction of fixed head, accordingly, on substrate, be provided with that quantity equates with the first slide block and direction perpendicular to the first slide rail of fixed head length direction, the first slide block moves along the first slide rail, and fixed head movable is fixed and substrate.
In the utility model one embodiment, on fixed head, be provided with multiple the second slide blocks along the length direction of fixed head, the second slide block has along the fixed orifice of the length direction along fixed head, and polished rod wears the fixed orifice between multiple the second slide blocks, and movable is fixed on fixed head.
In the utility model one embodiment, dull and stereotyped bottom is provided with the 3rd slide block of the dull and stereotyped length direction in multiple edges, and the 3rd slide block moves along the first slide rail on substrate.
In the utility model one embodiment, the second driving member comprises steering wheel, the 3rd gear, the second slide rail, Four-slider and the second tooth bar.Steering wheel is fixed on flat board and is electrically connected control circuit.The 3rd gear is connected with the rotation axis of steering wheel, and steering wheel drives the 3rd gear to rotate.The second slide rail is arranged on flat board along dull and stereotyped length direction.Four-slider is fixed on the second slide rail, move, and the top screw of Four-slider connects the second penholder along the second slide rail.The second tooth bar is fixed on the second penholder, and with the 3rd gear phase interlock.
In the utility model one embodiment, cam comprises main body and combination block, and the inside of main body and combination block is embedded with the magnet that magnetic is contrary, by the magnetic force of magnet, main body and combination block is joined together to form to difform cam.
In the utility model one embodiment, cam instructional device also comprises support, and support is arranged at the bottom of substrate, supporting substrate, and support comprises fixed support and adjustable support, fixed support is connected with adjustable support bolt.
In the utility model one embodiment, on fixed support, be provided with adjustment hole, adjustable support and fixed support are fixed on different adjustment holes, between adjustable support and fixed support, form different angles, thereby make substrate there is different angles of inclination.
In sum, the utility model compared with prior art has the following advantages:
In execution module, the first driving member band moving cam and drawing board motion, contact with impeller in cam and drawing board motion process, drives impeller to move up and down.The motion of impeller drives the first paintbrush motion, thereby draws out the curve movement of cam.Contrary, the curve movement impeller of the cam of drawing along the first paintbrush can be drawn out the outline line of cam.Further, the utility model also comprises acceleration module, because the acceleration of cam is delivered to polished rod by impeller.Sensor in acceleration module detects the change in displacement of polished rod in real time, controller calculates the acceleration of polished rod according to detected value, and degree of will speed up signal passes to the second driving member, the second driving member drives the second paintbrush motion, thereby draws out the accelerating curve of cam.
In addition, by being set, the impeller of different structure obtains different cam profile curves or combines dissimilar cam by replacing obtaining different moving displacement curves, thereby it is simple in structure to obtain different cam profile the utility model, easy to operate, be easy to class demonstration, there is great interest, can mobilizing students learning interest, improve student's enthusiasm, help Students ' Learning to understand.And the cam instructional device that the utility model provides is simple in structure, and cost is lower, and usable range is wide, Miniaturizable, be easy to carry to classroom, also can maximize, additional cams application, for experimental teaching, simple to operate, be applicable to popularizing, fill up the deficiency in cam teaching, can greatly improve Classroom Teaching, improve classroom efficiency.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Brief description of the drawings
Figure 1 shows that the structural representation of the cam instructional device that the utility model one embodiment provides.
Figure 2 shows that the structural representation of the execution module in the cam instructional device shown in Fig. 1.
Figure 3 shows that the structural representation of the acceleration module in the cam instructional device shown in Fig. 1.
Figure 4 shows that the structural representation of the multiple impeller that the utility model provides.
Embodiment
Figure 1 shows that the structural representation of the cam instructional device that the utility model one embodiment provides.Figure 2 shows that the structural representation of the execution module in the cam instructional device shown in Fig. 1.Figure 3 shows that the structural representation of the acceleration module in the cam instructional device shown in Fig. 1.Figure 4 shows that the structural representation of the multiple impeller that the utility model provides.See also Fig. 1 to Fig. 4.
As shown in Figure 1, the present embodiment provides volume cam instructional device to comprise substrate 1, execution module 2 and acceleration module 3.Execution module 2 comprises fixed head 21, the first driving member 22, drawing board 23, cam 24, polished rod 25, impeller 26 and the first paintbrush 27.Fixed head 21 movables are fixed on substrate 1.The first driving member 22 is connected with fixed head 21 bolts.Drawing board 23 is arranged at the top of the first driving member 22.Cam 24 is arranged at the top of drawing board 23.Wherein, the first driving member 22 drives drawing board 23 and cam 24 to move.The movable fixed head 21 that is arranged at of polished rod 25.Impeller 26 is connected with polished rod 25 bolts, and the top of one end of impeller 26 contacts with 24, cam, and bottom contacts with drawing board 23.The first paintbrush 27 is fixedly connected with polished rod 25 by the first paintbrush frame 28.Acceleration module 3 comprises flat board 31, control circuit 32, the second driving member 33, the second paintbrush frame 34 and the second paintbrush 35.Dull and stereotyped 31 movables are fixed on substrate 1.Control circuit 32 comprises controller and sensor, and sensor detects the change in displacement of polished rod 25 in real time, and this detected value is passed to controller, and controller 1 calculates the acceleration of polished rod 25 according to detection signal, and exports this acceleration signal to second driving member 33.The second driving member 33 is fixed on dull and stereotyped 31.The second paintbrush frame 34 and the second driving member 33 bolts are fixed, and the movable flat board 31 that is fixed on.The second paintbrush 35 is fixed on the second paintbrush frame 34.
In the present embodiment, the first driving member 22 comprises motor 221, the first gear 222, the second gear 223 and the first tooth bar 224.Motor 221 is fixed on fixed head 21.The first gear 222 is fixed with the rotation axis of motor 221.The second gear 223 and the first gear 222 phase interlocks.Substrate 1 is fixed in first tooth bar 224 one end, the other end and the second gear 223 phase interlocks.
In the present embodiment, impeller 26 is respectively any in top push rod 261, flat push rod 262, roller tappet 263, top paintbrush 264, flat paintbrush 265 and roller paintbrush 266.In the present embodiment, impeller 26 is flat push rod 262.But the utility model is not limited in any way this.In other embodiment, impeller 26 can be other five kinds or other structure in above-mentioned six kinds.
In the present embodiment, the bottom of fixed head 21 is provided with multiple the first slide blocks 29 along the length direction of fixed head 21, accordingly, on substrate 1, be provided with that quantity equates with the first slide block 29 and direction perpendicular to the first slide rail 11 of fixed head 21 length directions, the first slide block 29 moves along the first slide rail 11, and fixed head 21 movables are fixed and substrate 1.In the present embodiment, the quantity of the first slide block 29 is three.But the utility model is not limited in any way this.
In the present embodiment, on fixed head 21, be provided with multiple the second slide blocks 20 along the length direction of fixed head 21, the second slide block 20 has along the fixed orifice of the length direction along fixed head 21, and polished rod 25 wears the fixed orifice of 20 of multiple the second slide blocks, and movable is fixed on fixed head 21.In the present embodiment, the quantity of the second slide block 20 is two.But the utility model is not limited in any way this.
In the present embodiment, the 3rd slide block 36, the three slide blocks 36 that dull and stereotyped 31 bottoms are provided with dull and stereotyped 31 length directions in multiple edges move along the first slide rail 11 on substrate 1.In the present embodiment, the quantity of the 3rd slide block 36 is one.But the utility model is not limited in any way this.
In the present embodiment, the second driving member 33 comprises steering wheel 331, the 3rd gear 332, the second slide rail 333, Four-slider 334 and the second tooth bar 335.Steering wheel 331 is fixed on flat board 31 and is electrically connected control circuit 32.The 3rd gear 332 is connected with the rotation axis of steering wheel 331, and steering wheel 331 drives the 3rd gear 332 to rotate.The second slide rail 333 is arranged on dull and stereotyped 31 along dull and stereotyped 31 length direction.Four-slider 334 is fixed on the second slide rail 333, move, and the top screw of Four-slider 334 connects the second penholder 34 along the second slide rail 333.The second tooth bar 335 is fixed on the second penholder 34, and with the 3rd gear 332 phase interlocks.
Concrete principle of work:
Under the drive of motor 221, the first gear 222 drives the second gear 223 and the drawing board 23 that is fixedly connected with the second gear 223 and cam 24 rotates and move along vertical and length direction fixed head 21 along the first slide rail 11.Cam 24 contacts with 26 of impellers in motion process, makes impeller 26 along moving on fixed head 21 length directions.The motion of impeller 26 drives the polished rod 25 being fixedly connected with it to move.25, polished rod drives the first paintbrush 27 on the first paintbrush frame 28 to move, and the first paintbrush 27 is depicted the moving displacement curve of cam 24.Contrary, under the drive of motor 221, cam 24 can be along existing moving displacement curve, and impeller 26 can be drawn out the contour curve of cam 24 on drawing board 23.
Can draw out different cams 24 contour curves by the structure that changes impeller 26.And further, cam 24 is set and comprises main body 241 and combination block 242.The inside of main body 241 and combination block 242 is embedded with the magnet that magnetic is contrary, by the magnetic force of magnet, main body 241 and combination block 242 is joined together to form to difform cam 24.Difform cam 24 has different moving displacement curves, and according to different displacement curves, impeller 26 can be drawn out again different cam profile curves.The selection of the combined transformation of cam 24 and impeller 26 structures can realize moving displacement curve and the contour curve of multiple cam 24, has greatly increased student's learning interest and learning initiative, greatly improves Classroom Teaching, improves classroom efficiency.
In the present embodiment, contact with the point between cam 24 for realizing impeller 26, in the bottom of substrate 1, support 4 is set.Support 4 comprises fixed support 41 and adjustable support 42, and fixed support 41 is connected with adjustable support 42 bolts.Fixed support 41 plays a supportive role to substrate.And between adjustable support 42 and fixed support 41, be provided with angle, realize the inclination of substrate 1 by changing this angle, thereby the height of the substrate 1 of impeller 26 place one sides is higher than the height of the substrate 1 of cam 24 place one sides.The inclination of substrate 1 makes impeller 26 rely on gravity to press cam 24, contacts with 24, cam.In the present embodiment, on adjustable support 42, be provided with adjustment hole 421.Fix adjustable support 42 and fixed support 41 and realize the inclination of substrate 1 by different adjustment hole 421.
In the present embodiment, for realizing the rotation of substrate 1, on fixed support 41 and adjustable support 42, be hinged with respectively two contiguous blocks, contiguous block is bonded on substrate 1 by glass cement, realizes the rotation of substrate 1.
In addition, owing to being provided with acceleration module 3, sensor in control circuit 32 detects the change in displacement of polished rod 25 in real time, controller calculates the acceleration of polished rod 25 according to detected value, and degree of will speed up signal passes to the second driving member 33, the second driving member 33 drives the second paintbrush 35 to move, thereby draws out the accelerating curve of cam 24.
In the present embodiment, cam instructional device also comprises rotating shaft 5 and handle 6.Rotating shaft 5 is rectangular parallelepiped, is fixed on fixed head 21 through the second gear 223, and rotating shaft 5 is through drawing board 23 and cam 24.Handle 6 has the square opening matching with rotating shaft 5, and square opening is fixed in rotating shaft 5.Can drive the first gear 222 and the second gear 223 to rotate by handle 6 users, thereby drive drawing board 23 and cam 24 rotates and slide along the first slide rail 11, realize manually and controlling.
The utility model has used two kinds of patterns of hand control and automation, and to adapt to different occasions, manual energy allows student add the drafting of moving displacement curve and the drafting of cam contour, excites student's learning initiative.And automatically drafting can allow student observe better the drawing process of curve, and automatic mode contributes to the drafting of accelerating curve.And further, the accelerating curve of drawing under automatic mode can be shown the characteristic of cam more visually, can greatly help classmates to go to understand the characteristic of cam, solve difficulties in teaching.Adopting auto-manual more to meet teaching demand instantly, is device hommization more, and high efficiency has improved reliability, dirigibility, practicality, accuracy, operability, the interest of installing.
In sum, the utility model compared with prior art has the following advantages:
In execution module, the first driving member 22 is with moving cam 24 and drawing board 23 to move, cam 24 with in drawing board 23 motion processes, contact with 26 of impellers, drive impeller 26 move up and down.The motion of impeller 26 drives the first paintbrush 27 to move, thereby draws out the curve movement of cam 24.Contrary, the curve movement impeller of the cam 24 of drawing along the first paintbrush 27 can be drawn out the outline line of cam 24.Further, the utility model also comprises acceleration module 3, because the acceleration of cam 24 is delivered to polished rod 25 by impeller 26.Sensor in acceleration module 3 detects the change in displacement of polished rod 25 in real time, controller calculates the acceleration of polished rod 25 according to detected value, and degree of will speed up signal passes to the second driving member 33, the second driving members 33 and drive the second paintbrush 35 to move, thereby draw out the accelerating curve of cam 24.
In addition, obtain different cam profile curves or combine dissimilar cam 24 by replacing obtaining different moving displacement curves by the impeller 26 of different structure is set, thereby obtain different cam profiles.The utility model is simple in structure, easy to operate, is easy to class demonstration, has great interest, can mobilizing students learning interest, improve student's enthusiasm, and help Students ' Learning to understand.And the cam instructional device that the utility model provides is simple in structure, and cost is lower, and usable range is wide, Miniaturizable, be easy to carry to classroom, also can maximize, additional cams application, for experimental teaching, simple to operate, be applicable to popularizing, fill up the deficiency in cam teaching, can greatly improve Classroom Teaching, improve classroom efficiency.
Although the utility model is disclosed as above by preferred embodiment; but not in order to limit the utility model; anyly know this skill person; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.

Claims (10)

1. a cam instructional device, is characterized in that, comprising:
Substrate;
Execution module, comprising:
Fixed head, described fixed head movable is fixed on described substrate;
The first driving member, is connected with described bolt of fixing plate;
Drawing board, is arranged at the top of described the first driving member;
Cam, is arranged at the top of described drawing board;
Wherein, described the first driving member drives drawing board and camming movement;
Polished rod, is movablely arranged at described fixed head;
Impeller, is connected with described polished rod bolt, and the top of one end of described impeller contacts with described cam point, and bottom contacts with described drawing board;
The first paintbrush, is fixedly connected with described polished rod by the first paintbrush frame;
Acceleration module, comprising:
Flat board, movable is fixed on described substrate;
Control circuit, comprise controller and sensor, described sensor detects the change in displacement of polished rod in real time, and this detected value is passed to described controller, described controller calculates the acceleration of described polished rod according to detection signal, and exports this acceleration signal to second driving member;
The second driving member, is fixed on described flat board;
The second paintbrush frame, fixes with described the second driving member bolt, and is movablely fixed on described flat board;
The second paintbrush, is fixed on described the second paintbrush frame.
2. cam instructional device according to claim 1, is characterized in that, described the first driving member comprises:
Motor, is fixed on described fixed head;
The first gear, fixes with the rotation axis of described motor;
The second gear, with described the first gear phase interlock;
The first tooth bar, described substrate is fixed in one end, the other end and described the second gear phase interlock.
3. cam instructional device according to claim 1, is characterized in that, described impeller is respectively any in top push rod, flat push rod, roller tappet, top paintbrush, flat paintbrush and roller paintbrush.
4. cam instructional device according to claim 1, it is characterized in that, the bottom of described fixed head is provided with multiple the first slide blocks along the length direction of fixed head, accordingly, on described substrate, be provided with that quantity equates with described the first slide block and direction perpendicular to the first slide rail of described fixed head length direction, described the first slide block moves along described the first slide rail, and described fixed head movable is fixed and described substrate.
5. cam instructional device according to claim 1, it is characterized in that, on described fixed head, be provided with multiple the second slide blocks along the length direction of fixed head, described the second slide block has along the fixed orifice of the described length direction along fixed head, described polished rod wears the fixed orifice between described multiple the second slide block, and movable is fixed on described fixed head.
6. cam instructional device according to claim 1, is characterized in that, described dull and stereotyped bottom is provided with multiple the 3rd slide blocks along described dull and stereotyped length direction, and described the 3rd slide block moves along the first slide rail on described substrate.
7. cam instructional device according to claim 1, is characterized in that, described the second driving member comprises:
Steering wheel, is fixed on described flat board and is electrically connected described control circuit;
The 3rd gear, is connected with the rotation axis of described steering wheel, and described steering wheel drives the 3rd gear to rotate;
The second slide rail, is arranged on described flat board along the length direction of described flat board;
Four-slider, is fixed on described the second slide rail, move, and the top screw of described Four-slider connects described the second paintbrush frame along described the second slide rail;
The second tooth bar, is fixed on described the second paintbrush frame, and with described the 3rd gear phase interlock.
8. cam instructional device according to claim 1, it is characterized in that, described cam comprises main body and combination block, and the inside of described main body and combination block is embedded with the magnet that magnetic is contrary, by the magnetic force of magnet, described main body and combination block is joined together to form to difform cam.
9. cam instructional device according to claim 1, is characterized in that, described cam instructional device also comprises support, described support is arranged at the bottom of described substrate, support described substrate, described support comprises fixed support and adjustable support, and described fixed support is connected with adjustable support bolt.
10. cam instructional device according to claim 9, it is characterized in that, on described fixed support, be provided with adjustment hole, adjustable support and fixed support are fixed on different adjustment holes, between adjustable support and fixed support, form different angles, thereby make substrate there is different angles of inclination.
CN201420195809.XU 2014-04-21 2014-04-21 Cam teaching device Expired - Fee Related CN203910149U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104332098A (en) * 2014-11-04 2015-02-04 北京理工大学 Comprehensive experiment table of cam
CN104409009A (en) * 2014-12-17 2015-03-11 福州大学 Planar cam mechanism demonstration instrument for translating follower and using method thereof
CN104485051A (en) * 2014-12-08 2015-04-01 江西理工大学 Constant-acceleration and constant-deceleration curve assembly of cam profile line generator
CN104527275A (en) * 2014-12-16 2015-04-22 台州学院 Cam online detection method and detection device
CN106956538A (en) * 2017-04-27 2017-07-18 钦州学院 Difunctional formula cam locus plotter
CN112634736A (en) * 2021-01-19 2021-04-09 南昌工程学院 Practical demonstration teaching aid for mechanical principle classroom teaching

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104332098B (en) * 2014-11-04 2016-10-05 北京理工大学 A kind of cam comprehensive experiment table
CN104332098A (en) * 2014-11-04 2015-02-04 北京理工大学 Comprehensive experiment table of cam
CN104332101B (en) * 2014-11-14 2017-01-04 宁波大学 Device for drawing displacement motion curve of cam mechanism push rod for teaching
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
CN104485051A (en) * 2014-12-08 2015-04-01 江西理工大学 Constant-acceleration and constant-deceleration curve assembly of cam profile line generator
CN104485051B (en) * 2014-12-08 2017-01-25 江西理工大学 Constant-acceleration and constant-deceleration curve assembly of cam profile line generator
CN104527275A (en) * 2014-12-16 2015-04-22 台州学院 Cam online detection method and detection device
CN104409009B (en) * 2014-12-17 2016-08-17 福州大学 A kind of translating follower planar cam mechanism demonstrator and using method thereof
CN104409009A (en) * 2014-12-17 2015-03-11 福州大学 Planar cam mechanism demonstration instrument for translating follower and using method thereof
CN106956538A (en) * 2017-04-27 2017-07-18 钦州学院 Difunctional formula cam locus plotter
CN106956538B (en) * 2017-04-27 2018-09-04 钦州学院 Difunctional formula cam locus plotter
CN112634736A (en) * 2021-01-19 2021-04-09 南昌工程学院 Practical demonstration teaching aid for mechanical principle classroom teaching
CN112634736B (en) * 2021-01-19 2022-08-16 南昌工程学院 Practical demonstration teaching aid for mechanical principle classroom teaching

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Granted publication date: 20141029

Termination date: 20160421