CN206505617U - A kind of mathematics stochastic variable apparatus for demonstrating - Google Patents

A kind of mathematics stochastic variable apparatus for demonstrating Download PDF

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Publication number
CN206505617U
CN206505617U CN201621229980.3U CN201621229980U CN206505617U CN 206505617 U CN206505617 U CN 206505617U CN 201621229980 U CN201621229980 U CN 201621229980U CN 206505617 U CN206505617 U CN 206505617U
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China
Prior art keywords
pole
motor
nut
thumb cylinder
demonstrating
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Expired - Fee Related
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CN201621229980.3U
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Chinese (zh)
Inventor
闫晓芳
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Yongcheng Vocational College
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Yongcheng Vocational College
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Abstract

The utility model is related to a kind of apparatus for demonstrating, more particularly to a kind of mathematics stochastic variable apparatus for demonstrating.The technical problems to be solved in the utility model be to provide a kind of demonstrating visual, student be readily appreciated that, mathematics stochastic variable apparatus for demonstrating simple to operate.In order to solve the above-mentioned technical problem, the utility model provides such a mathematics stochastic variable apparatus for demonstrating, includes bottom plate, pole I, ball case I, ball case II, motor I, pole II, bearing block I, casing, flat board, lift cylinder, thumb cylinder I, guide sleeve etc.;Pole I, ball case I, ball case II, motor I, pole II and bearing block I are disposed with bottom plate from left to right, the top of motor I is connected with casing, the top horizontal of pole II is connected with flat board, flat plate bottom left side vertical is provided with lift cylinder, the expansion link of lift cylinder and is connected with thumb cylinder I.The utility model reached demonstrating visual, student be readily appreciated that, effect simple to operate.

Description

A kind of mathematics stochastic variable apparatus for demonstrating
Technical field
The utility model is related to a kind of apparatus for demonstrating, more particularly to a kind of mathematics stochastic variable apparatus for demonstrating.
Background technology
Mathematics is a subject for studying the concepts such as quantity, structure, change, space and information, is belonged in terms of certain angle In one kind of formal science.And in development of human history and social life, mathematics also plays irreplaceable effect, it is also Study and the essential basic tool of research modern science and technology.
Stochastic variable represents the real value monotropic function of the various results of random experiment.Such as sometime interior bus stop Car patronage, the number of calls that telephone exchange is received within a certain period of time etc., all it is the example of stochastic variable.
Existing apparatus for demonstrating haves the shortcomings that demonstration not directly perceived, student's indigestion, complex operation, therefore need research and development badly A kind of demonstrating visual, student are readily appreciated that, mathematics stochastic variable apparatus for demonstrating simple to operate.
Utility model content
(1)The technical problem to be solved
The utility model demonstrates not directly perceived, student's indigestion, complex operation to overcome existing apparatus for demonstrating to exist Shortcoming, the technical problems to be solved in the utility model be to provide a kind of demonstrating visual, student be readily appreciated that, number simple to operate Learn stochastic variable apparatus for demonstrating.
(2)Technical scheme
In order to solve the above-mentioned technical problem, the utility model provides such a mathematics stochastic variable apparatus for demonstrating, bag Bottom plate, pole I, ball case I, ball case II, motor I, pole II, bearing block I, casing, flat board, lift cylinder, thumb cylinder are included Ith, guide sleeve, motor II, top plate, motor III, screw mandrel I, nut I, bearing block II, screw mandrel II, guide rod, nut II, pole III With thumb cylinder II, pole I, ball case I, ball case II, motor I, pole II and bearing block are disposed with from left to right on bottom plate I, the top of motor I is connected with casing, and the top horizontal of pole II is connected with flat board, and flat plate bottom left side vertical is provided with lifting air Thumb cylinder I is connected with cylinder, the expansion link of lift cylinder, thumb cylinder I is located at the surface of casing, and pole I is provided with and led To set, guide sleeve and the connection of the slidingtype of pole I, the right side top of guide sleeve are provided with motor II, and the top of pole I is provided with top Plate, top plate bottom right is provided with motor III, and screw mandrel I is connected between motor III and bearing block I, and screw mandrel I is provided with nut I, Bearing block II is provided with above the left side of nut I, screw mandrel II, the lower right-hand side of guide sleeve are connected between bearing block II and motor II Guide rod is connected between the left side lower section of nut I, guide rod and screw mandrel II are provided with nut II, and nut II and guide rod are slided Dynamic formula is connected, and the lower end of nut II is provided with pole III vertically, and the lower end of pole III is connected with thumb cylinder II.
Preferably, block rubber is also included, the inner side of thumb cylinder I and thumb cylinder II is provided with block rubber.
Preferably, motor I is servomotor.
Operation principle:During demonstration, first two different colors of spheroid is respectively put into ball case I and ball case II, starts electricity Machine II is rotated counterclockwise, and is driven screw mandrel II to rotate counterclockwise, is moved to the left nut II, when thumb cylinder II is moved to ball case I Surface when, close motor II.Start motor III to rotate clockwise, drive screw mandrel I to rotate clockwise, make nut I to moving down Dynamic, guide rod, nut II and thumb cylinder II are moved down therewith, guide sleeve slide downward on pole I.When thumb cylinder II When in ball case I, motor III is closed, control thumb cylinder II lives one of ball chuck in ball case I, after clamping, and starts Motor III is rotated counterclockwise, and guide rod, nut II and thumb cylinder II are moved up therewith, when thumb cylinder II is higher than casing When, close motor III.Start motor II to rotate clockwise, nut II is moved right, when thumb cylinder II is located above casing When, close motor II.Control thumb cylinder II unclamps ball, ball is fallen into casing.Start motor II to rotate counterclockwise, make spiral shell Mother II is moved to the left, and when thumb cylinder II is located at the surface of ball case II, closes motor II.Start motor III clockwise to turn Dynamic, nut II and thumb cylinder II are moved down therewith, when thumb cylinder II is located in ball case II, close motor III, control Thumb cylinder II lives one of ball chuck in ball case II, repeats to operate above after clamping, the ball in folded ball case II is put In cartonning body.Above operation is repeated, makes to be put into several identical quantity and two different colors of spheroid in casing, restarts Motor I is rotated, and casing is rotated with, and the spheroid in casing is done after random motion, spin for some time, closes motor I.Control rises Sending down abnormally ascending cylinder I extends, and thumb cylinder I is stretched into casing, then controls thumb cylinder I to live one of ball chuck in casing, folder Control lift cylinder I to shorten after firmly, can thus watch the color of folded ball, operation above is so repeated several times and plays ball chuck, To observe the randomness that a variety of colors ball is picked up, intuitive during stochastic variable demonstration is improved.
Because also including block rubber, the inner side of thumb cylinder I and thumb cylinder II is provided with block rubber, block rubber energy Make finger cylinder I and thumb cylinder II that ball chuck is obtained into tighter, protect ball not to be worn.
Because motor I is servomotor, its rotating speed can be more accurately controlled, body pivot can be conveniently adjusted Speed.
(3)Beneficial effect
The utility model reached demonstrating visual, student be readily appreciated that, effect simple to operate.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present utility model.
Fig. 2 is second of main structure diagram of the present utility model.
Mark in accompanying drawing for:1- bottom plates, 2- poles I, 3- balls case I, 4- balls case II, 5- motors I, 6- poles II, 7- axles Bearing I, 8- casings, 9- flat boards, 10- lift cylinders, 11- thumbs cylinder I, 12- guide sleeves, 13- motors II, 14- top plates, 15- Motor III, 16- screw mandrels I, 17- nuts I, 18- bearing blocks II, 19- screw mandrels II, 20- guide rods, 21- nuts II, 22- poles III, 23- thumbs cylinder II, 24- block rubbers.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
A kind of mathematics stochastic variable apparatus for demonstrating, as shown in Figure 1-2, includes bottom plate 1, pole I 2, ball case I 3, ball case II 4th, motor I 5, pole II 6, bearing block I 7, casing 8, flat board 9, lift cylinder 10, thumb cylinder I 11, guide sleeve 12, motor II 13rd, top plate 14, motor III 15, screw mandrel I 16, nut I 17, bearing block II 18, screw mandrel II 19, guide rod 20, nut II 21, pole III 22 and thumb cylinder II 23, pole I 2, ball case I 3, ball case II 4, motor I 5, pole are disposed with from left to right on bottom plate 1 II 6 and bearing block I 7, the top of motor I 5 is connected with casing 8, and the top horizontal of pole II 6 is connected with flat board 9, the bottom of flat board 9 Left side vertical is provided with lift cylinder 10, the expansion link of lift cylinder 10 and is connected with thumb cylinder I 11, and thumb cylinder I 11 is located at The surface of casing 8, pole I 2 is provided with guide sleeve 12, guide sleeve 12 and the connection of the slidingtype of pole I 2, the right side of guide sleeve 12 Top is provided with motor II 13, and the top of pole I 2 is provided with top plate 14, and the bottom right of top plate 14 is provided with motor III 15, motor III Screw mandrel I 16 is connected between 15 and bearing block I 7, screw mandrel I 16 is provided with above nut I 17, the left side of nut I 17 and is provided with bearing Seat II 18, is connected with screw mandrel II 19, the lower right-hand side of guide sleeve 12 and a left side for nut I 17 between bearing block II 18 and motor II 13 Guide rod 20 is connected between side-lower, guide rod 20 and screw mandrel II 19 are provided with nut II 21, nut II 21 and guide rod 20 Slidingtype is connected, and the lower end of nut II 21 is provided with pole III 22 vertically, and the lower end of pole III 22 is connected with thumb cylinder II 23.
Also include block rubber 24, the inner side of thumb cylinder I 11 and thumb cylinder II 23 is provided with block rubber 24.
Motor I 5 is servomotor.
Operation principle:During demonstration, first two different colors of spheroid is respectively put into ball case I 3 and ball case II 4, started Motor II 13 is rotated counterclockwise, and is driven screw mandrel II 19 to rotate counterclockwise, is moved to the left nut II 21, when thumb cylinder II 23 is moved When moving the surface of ball case I 3, motor II 13 is closed.Start motor III 15 to rotate clockwise, drive screw mandrel I 16 to turn clockwise It is dynamic, move down nut I 17, guide rod 20, nut II 21 and thumb cylinder II 23 are moved down therewith, guide sleeve 12 is in branch Slide downward on bar I 2.When thumb cylinder II 23 is located in ball case I 3, motor III 15 is closed, thumb cylinder II 23 is controlled by ball One of ball chuck in case I 3 is lived, after clamping, and is started motor III 15 and is rotated counterclockwise, guide rod 20, nut II 21 and thumb Cylinder II 23 is moved up therewith, when thumb cylinder II 23 is higher than casing 8, closes motor III 15.Start the up time of motor II 13 Pin is rotated, and nut II 21 is moved right, and when thumb cylinder II 23 is located at 8 top of casing, closes motor II 13.Control thumb Cylinder II 23 unclamps ball, ball is fallen into casing 8.Start motor II 13 to rotate counterclockwise, be moved to the left nut II 21, when When thumb cylinder II 23 is located at the surface of ball case II 4, motor II 13 is closed.Start motor III 15 to rotate clockwise, nut II 21 and thumb cylinder II 23 move down therewith, when thumb cylinder II 23 be located at ball case II 4 in when, close motor III 15, control Thumb cylinder II 23 lives one of ball chuck in ball case II 4, repeats to operate above after clamping, by folded ball case II 4 Ball is put into casing 8.Above operation is repeated, makes to be put into several identical quantity and two different colors of spheroid in casing 8, Restart the rotation of motor I 5, casing 8 is rotated with, and the spheroid in casing 8 is done after random motion, spin for some time, closes electricity Machine I 5.Control lift cylinder 10 I to extend, thumb cylinder I 11 is stretched into casing 8, then control thumb cylinder I 11 by casing 8 One of ball chuck live, the shortening of lift cylinder 10 I is controlled after clamping, the color of folded ball can be thus watched, so repeatedly Operation plays ball chuck more than repeating, to observe the randomness that a variety of colors ball is picked up, and improves straight when stochastic variable is demonstrated The property seen.
Because also including block rubber 24, the inner side of thumb cylinder I 11 and thumb cylinder II 23 is provided with block rubber 24, Block rubber 24 can make finger cylinder I and thumb cylinder II 23 that ball chuck is obtained into tighter, protect ball not to be worn.
Because motor I 5 is servomotor, its rotating speed can be more accurately controlled, conveniently regulation casing 8 can be rotated Speed.
Embodiment described above only expresses preferred embodiment of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area For technical staff, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these are all Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (3)

1. a kind of mathematics stochastic variable apparatus for demonstrating, it is characterised in that include bottom plate(1), pole I(2), ball case I(3), ball Case II(4), motor I(5), pole II(6), bearing block I(7), casing(8), flat board(9), lift cylinder(10), thumb cylinder I (11), guide sleeve(12), motor II(13), top plate(14), motor III(15), screw mandrel I(16), nut I(17), bearing block II (18), screw mandrel II(19), guide rod(20), nut II(21), pole III(22)With thumb cylinder II(23), bottom plate(1)On from Left-to-right is disposed with pole I(2), ball case I(3), ball case II(4), motor I(5), pole II(6)With bearing block I(7), electricity Machine I(5)Top be connected with casing(8), pole II(6)Top horizontal be connected with flat board(9), flat board(9)Bottom left is erected Directly it is provided with lift cylinder(10), lift cylinder(10)Expansion link on be connected with thumb cylinder I(11), thumb cylinder I(11)Position In casing(8)Surface, pole I(2)It is provided with guide sleeve(12), guide sleeve(12)With pole I(2)Slidingtype is connected, and is led To set(12)Right side above motor II is installed(13), pole I(2)Top be provided with top plate(14), top plate(14)Bottom, right Side is provided with motor III(15), motor III(15)With bearing block I(7)Between be connected with screw mandrel I(16), screw mandrel I(16)It is provided with Nut I(17), nut I(17)Left side above be provided with bearing block II(18), bearing block II(18)With motor II(13)Between connect It is connected to screw mandrel II(19), guide sleeve(12)Lower right-hand side and nut I(17)Left side below between be connected with guide rod(20), Guide rod(20)With screw mandrel II(19)It is provided with nut II(21), nut II(21)And guide rod(20)Slidingtype is connected, nut Ⅱ(21)Lower end vertically be provided with pole III(22), pole III(22)Lower end be connected with thumb cylinder II(23).
2. a kind of mathematics stochastic variable apparatus for demonstrating according to claim 1, it is characterised in that also include block rubber (24), thumb cylinder I(11)With thumb cylinder II(23)Inner side be provided with block rubber(24).
3. a kind of mathematics stochastic variable apparatus for demonstrating according to claim 1, it is characterised in that motor I(5)For servo electricity Machine.
CN201621229980.3U 2016-11-16 2016-11-16 A kind of mathematics stochastic variable apparatus for demonstrating Expired - Fee Related CN206505617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621229980.3U CN206505617U (en) 2016-11-16 2016-11-16 A kind of mathematics stochastic variable apparatus for demonstrating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621229980.3U CN206505617U (en) 2016-11-16 2016-11-16 A kind of mathematics stochastic variable apparatus for demonstrating

Publications (1)

Publication Number Publication Date
CN206505617U true CN206505617U (en) 2017-09-19

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CN201621229980.3U Expired - Fee Related CN206505617U (en) 2016-11-16 2016-11-16 A kind of mathematics stochastic variable apparatus for demonstrating

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568060A (en) * 2018-05-10 2018-09-25 佛山市幻实科技有限公司 A kind of adaptable upper limb combined trainer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108568060A (en) * 2018-05-10 2018-09-25 佛山市幻实科技有限公司 A kind of adaptable upper limb combined trainer

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170919

Termination date: 20181116