CN108648567B - Probability pellet automatic dropping equipment for education - Google Patents
Probability pellet automatic dropping equipment for education Download PDFInfo
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- CN108648567B CN108648567B CN201810340494.6A CN201810340494A CN108648567B CN 108648567 B CN108648567 B CN 108648567B CN 201810340494 A CN201810340494 A CN 201810340494A CN 108648567 B CN108648567 B CN 108648567B
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- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
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Abstract
The invention relates to equipment for education, in particular to automatic probability pellet dropping equipment for education. The technical problem to be solved is as follows: the automatic probability pellet dropping equipment for education can improve accuracy and is convenient to use. The technical scheme of the invention is as follows: an automatic probability pellet dropping device for education comprises a bottom plate, a vertical plate, a mounting plate, a shell, a pellet inlet pipe, a pellet outlet pipe, a rotating roller, a stirring blade, a first bevel gear, a first support plate, a sliding sleeve, a sliding rod, a first baffle plate and the like; the left side on the bottom plate is connected with the riser, and the sub-unit connection of riser right flank has the mounting panel, and the leading flank of mounting panel is connected with the casing, and the top of casing is connected with the inlet bulb. According to the invention, the second baffle plate moves left and right to enable the opening to coincide with the ball outlet pipe, so that the balls can fall at intervals, the colors of the falling balls are counted manually, and the probability is calculated, so that the effects of improving the accuracy and being convenient to use are achieved.
Description
Technical Field
The invention relates to equipment for education, in particular to automatic probability pellet dropping equipment for education.
Background
Mathematics education is the subject of studying the practice and methods of mathematical education. Also, mathematicians are also concerned with the development of tools and their research that facilitate such practices. Mathematics education is one of the subjects of intense debate in modern society. The term is ambiguous and refers to both local practice in classrooms and a new subject with their own journal and conference. The most important international organization in this regard is the international committee on mathematical education.
When present probability is taught, need place the bobble of different colours in shaking ball equipment, the artifical ball equipment of shaking afterwards to through the quantity and the contrast of total number of falling out the bobble to can obtain the probability, so need a large amount of time and energy, consequently need urgent to develop one kind and can improve the degree of accuracy, convenient to use's automatic equipment of playing of probability bobble for education.
Disclosure of Invention
In order to overcome the defects that the probability can be obtained by comparing the number and the total number of falling small balls of manual ball shaking equipment, a large amount of time and energy are needed, the technical problem to be solved is as follows: the automatic probability pellet dropping equipment for education can improve accuracy and is convenient to use.
The technical scheme of the invention is as follows: an automatic probability pellet dropping device for education comprises a bottom plate, a vertical plate, a mounting plate, a shell, a pellet inlet pipe, a pellet outlet pipe, a rotating roller, stirring blades, a first bevel gear, a first support plate, a sliding sleeve, a sliding rod, a first baffle, a first spring, a second baffle, a first connecting plate, a first bearing seat, a first rotating shaft, a rocking handle, a second bevel gear, a second support plate, a second bearing seat, a second rotating shaft, a cam, a third bevel gear, a second connecting plate, a third bearing seat, a third rotating shaft, a fourth bevel gear and a fifth bevel gear, wherein the left side of the bottom plate is connected with the vertical plate, the lower part of the right side of the vertical plate is connected with the mounting plate, the front side of the mounting plate is connected with the shell, the top of the shell is connected with the pellet outlet pipe, the rear side of the shell is rotatably connected with the rotating roller, and a plurality of stirring blades are uniformly spaced, the front side of the rotating roller is connected with a first bevel gear, the right side of the bottom plate is connected with a first support plate, the top of the first support plate is connected with a sliding sleeve, a sliding rod is arranged in the sliding sleeve, the right end of the sliding rod is connected with a first baffle plate, a first spring is arranged on the sliding rod, the right end of the first spring is connected with the left side of the first baffle plate, the left end of the first spring is connected with a second baffle plate, the right part of the second baffle plate is provided with an opening, the bottom plate on the right side of the first support plate is connected with a first connecting plate, the upper part of the first connecting plate is embedded with a first bearing seat, the first bearing seat is connected with a first rotating shaft, the right end of the first rotating shaft is connected with a rocking handle, the left part of the first rotating shaft is connected with a second bevel gear, the upper part of the left side of the first connecting plate is connected with, the lower part of second pivot is connected with the cam, the right flank contact of cam and first baffle, the upper portion of second pivot is connected with third bevel gear, third bevel gear and second bevel gear meshing, the first connecting plate left surface of first bearing frame upside is connected with the second connecting plate, third bearing frame is installed in the left side of second connecting plate bottom, be connected with the third pivot on the third bearing frame, the right part of third pivot is connected with fourth bevel gear, fourth bevel gear and third bevel gear meshing, the left part of third pivot is connected with fifth bevel gear, fifth bevel gear and first bevel gear meshing.
As the improvement of above-mentioned scheme, still including the collecting box, the posterior lateral plate, first motor, first gear, arc and second gear, the upper portion of riser right flank is connected with the collecting box, open the centre of collecting box bottom has the lower ball mouth, the bottom of collecting box is connected with the posterior lateral plate, first motor is installed on the right side of posterior lateral plate leading flank, the output shaft of first motor has first gear through coupling joint, the left collecting box bottom of posterior lateral plate is connected with the arc, the left side rotary type of posterior lateral plate leading flank is connected with the second gear, second gear and first gear engagement, it has the recess to open on the second gear.
As an improvement of the scheme, the collecting box comprises a third connecting plate, a sliding rail, a sliding block and a third baffle, wherein the right side face of the vertical plate on the upper side of the collecting box is connected with the third connecting plate, the bottom of the third connecting plate is connected with the sliding rail, the sliding rail is provided with the sliding block, the bottom of the sliding block is connected with the third baffle, and the lower part of the third baffle is positioned in the collecting box.
As the improvement of above-mentioned scheme, still including second spring, nut, screw rod and handle, be connected with the second spring between the left surface of slider and the right flank of riser, the third connecting plate bottom on slide rail right side is connected with the nut, is equipped with the screw rod in the nut, the left end of screw rod and the right flank contact of slider, the right-hand member of screw rod is connected with the handle.
As an improvement of the scheme, the device further comprises a first belt wheel, a second motor, a second belt wheel and a flat belt, the first belt wheel is connected to a third rotating shaft, the second motor is installed on the left side of the top of the second connecting plate, an output shaft of the second motor is connected with the second belt wheel through a coupling, and the second belt wheel is connected with the first belt wheel through the flat belt.
When probability calculation is needed, small balls with different colors are poured into the shell through the ball inlet pipe manually, then the rocking handle is shaken manually to rotate, the rocking handle rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the third bevel gear to rotate, the third bevel gear rotates to drive the fourth bevel gear to rotate, the fourth bevel gear rotates to drive the third rotating shaft to rotate, the third rotating shaft rotates to drive the fifth bevel gear to rotate, the fifth bevel gear rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the rotating roller to rotate, the rotating roller rotates to drive the stirring blades to rotate, and the stirring blades rotate to stir the small balls in the shell, so that randomness of the small balls can be increased. The third bevel gear rotates to drive the second rotating shaft to rotate, the second rotating shaft rotates to drive the cam to rotate, the cam rotates to hit the first baffle, the first baffle moves leftwards, the first spring is compressed along with the first baffle, the first baffle moves leftwards to drive the slide rod to move leftwards, when the cam rotates to not hit the first baffle, the spring rebounds along with the first baffle to move rightwards, the slide rod moves rightwards along with the first baffle, the slide rod moves leftwards to drive the second baffle to move leftwards, the second baffle moves leftwards and rightwards to enable the opening to coincide with the ball outlet pipe, small balls with different colors in the shell drop downwards through the opening and the ball outlet pipe, the color of the falling small balls is counted manually, and the probability.
Because still including the collecting box, the posterior lateral plate, first motor, first gear, arc and second gear, the upper portion of riser right flank is connected with the collecting box, open the centre of collecting box bottom has the lower ball mouth, the bottom of collecting box is connected with the posterior lateral plate, first motor is installed on the right side of posterior lateral plate leading flank, the output shaft of first motor has first gear through the coupling joint, the left collecting box bottom of posterior lateral plate is connected with the arc, the left side rotary type of posterior lateral plate leading flank is connected with the second gear, second gear and first gear engagement, it has the recess to open on the second gear. In the manual work pours the bobble of different colours into the collecting box, the manual work starts first motor and rotates afterwards, and first motor rotates and drives first gear revolve, and first gear revolve drives second gear revolve, and second gear revolve can pass through recess and lower ball mouth coincidence, so in the bobble in the collecting box falls into the recess downwards, the second rack rotate can be with the bobble in the recess transport downwards to the admission pipe in, can realize ball under the interval nature through the rotation of second gear.
Because still including third connecting plate, slide rail, slider and third baffle, the riser right flank of collecting box upside is connected with the third connecting plate, and the bottom of third connecting plate is connected with the slide rail, is equipped with the slider on the slide rail, and the bottom of slider is connected with the third baffle, and the lower part of third baffle is located the collecting box. When the small ball on the left side of the third baffle is required to fall, the third baffle is manually moved rightwards, and when the small ball on the right side of the third baffle is required to fall, the third baffle is manually moved leftwards.
Because still including second spring, nut, screw rod and handle, be connected with the second spring between the left surface of slider and the right flank of riser, the third connecting plate bottom on slide rail right side is connected with the nut, is equipped with the screw rod in the nut, the left end of screw rod and the right flank contact of slider, and the right-hand member of screw rod is connected with the handle. The handle is shaken clockwise by manpower, the handle rotates clockwise to drive the screw rod to rotate clockwise, the screw rod rotates clockwise to enable the sliding block to move leftwards, the second spring compresses accordingly, small balls with different colors on the right side of the third baffle can fall off, when the small balls with different colors on the left side of the third baffle need to fall off, the handle is shaken anticlockwise by manpower, and therefore the third baffle does not need to be manually pushed to move leftwards and rightwards.
Because still including first band pulley, second motor, second band pulley and flat belt, be connected with first band pulley in the third pivot, the second motor is installed in the left side at second connecting plate top, and the output shaft of second motor has the second band pulley through the coupling joint, is connected through flat belt between second band pulley and the first band pulley. The second motor rotates and drives the second belt wheel to rotate, the second belt wheel rotates and enables the first belt wheel to rotate through the flat belt, the first belt wheel rotates and drives the third rotating shaft to rotate, manual shaking of the rocking handle is not needed, and therefore the time of probability tests can be shortened.
According to the invention, the second baffle plate moves left and right to enable the opening to coincide with the ball outlet pipe, so that the balls can fall at intervals, the colors of the falling balls are counted manually, and the probability is calculated, so that the effects of improving the accuracy and being convenient to use are achieved.
Drawings
Fig. 1 is a first front view structure diagram of the present invention.
Fig. 2 is a second front view structure diagram of the present invention.
Fig. 3 is a third schematic view of the present invention.
Fig. 4 is a schematic diagram of a fourth front view structure according to the present invention.
Fig. 5 is a schematic view of a fifth front view structure according to the present invention.
In the figure: 1 … bottom plate, 2 … riser, 3 … mounting plate, 4 … housing, 5 … ball inlet tube, 6 … ball outlet tube, 7 … roller, 8 … stirring blade, 9 … first bevel gear, 10 … first support plate, 11 … sliding sleeve, 12 … sliding rod, 13 … first baffle, 14 … first spring, 15 … second baffle, 16 … opening, 17 … first connecting plate, 18 … first bearing seat, 19 … first rotating shaft, 20 … rocking handle, 21 … second bevel gear, 22 … second support plate, 23 … second bearing seat, 24 … second rotating shaft, 25 … cam, 26 … third bevel gear, 27 … second connecting plate, 28 … third bearing seat, 29 … third rotating shaft, 30 … fourth bevel gear, 31 … fifth bevel gear, 32 collecting box …, 33 … rear side plate, 3635, … first connecting plate, … first motor, … arc … first connecting plate, … arc … connecting plate, … groove, 41 … slide rail, 42 … slider, 43 … third baffle, 44 … second spring, 45 … nut, 46 … screw, 47 … handle, 48 … first belt wheel, 49 … second motor, 50 … second belt wheel and 51 … flat belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
An automatic probability pellet dropping device for education, as shown in figures 1-5, comprises a bottom plate 1, a vertical plate 2, a mounting plate 3, a shell 4, a pellet inlet pipe 5, a pellet outlet pipe 6, a rotating roller 7, a stirring blade 8, a first bevel gear 9, a first support plate 10, a sliding sleeve 11, a sliding rod 12, a first support plate 13, a first spring 14, a second support plate 15, a first connecting plate 17, a first bearing seat 18, a first rotating shaft 19, a rocking handle 20, a second bevel gear 21, a second support plate 22, a second bearing seat 23, a second rotating shaft 24, a cam 25, a third bevel gear 26, a second connecting plate 27, a third bearing seat 28, a third rotating shaft 29, a fourth bevel gear 30 and a fifth bevel gear 31, wherein the vertical plate 2 is connected to the left side of the bottom plate 1, the mounting plate 3 is connected to the lower portion of the right side of the vertical plate 2, the shell 4 is connected to the front side of the mounting plate 3, the top of the, the bottom of the shell 4 is connected with a ball outlet pipe 6, the rear side surface in the shell 4 is rotatably connected with a rotating roller 7, the circumferential wall of the rotating roller 7 is uniformly connected with a plurality of stirring blades 8 at intervals, the front side of the rotating roller 7 is connected with a first bevel gear 9, the right side of the bottom plate 1 is connected with a first support plate 10, the top of the first support plate 10 is connected with a sliding sleeve 11, a sliding rod 12 is arranged in the sliding sleeve 11, the right end of the sliding rod 12 is connected with a first baffle 13, the sliding rod 12 is provided with a first spring 14, the right end of the first spring 14 is connected with the left side surface of the first baffle 13, the left end of the first spring 14 is connected with the right side surface of the sliding sleeve 11, the left end of the sliding rod 12 is connected with a second baffle 15, the right part of the second baffle 15 is provided with an opening 16, the bottom plate 1 on the right side of the first support plate 10 is connected with a first connecting plate, a rocking handle 20 is connected to the right end of the first rotating shaft 19, a second bevel gear 21 is connected to the left part of the first rotating shaft 19, a second support plate 22 is connected to the upper part of the left side surface of the first connecting plate 17, a second bearing block 23 is installed on the left side surface of the second support plate 22, a second rotating shaft 24 is connected to the second bearing block 23, a cam 25 is connected to the lower part of the second rotating shaft 24, the cam 25 is in contact with the right side surface of the first baffle plate 13, a third bevel gear 26 is connected to the upper part of the second rotating shaft 24, the third bevel gear 26 is meshed with the second bevel gear 21, a second connecting plate 27 is connected to the left side surface of the first connecting plate 17 on the upper side of the first bearing block 18, a third bearing block 28 is installed on the left side of the bottom of the second connecting plate 27, a third rotating shaft 29 is connected to the third bearing block 28, a fourth bevel gear 30 is connected to the right part of the third rotating shaft 29, the fifth bevel gear 31 meshes with the first bevel gear 9.
Example 2
An automatic probability pellet dropping device for education, as shown in figures 1-5, comprises a bottom plate 1, a vertical plate 2, a mounting plate 3, a shell 4, a pellet inlet pipe 5, a pellet outlet pipe 6, a rotating roller 7, a stirring blade 8, a first bevel gear 9, a first support plate 10, a sliding sleeve 11, a sliding rod 12, a first support plate 13, a first spring 14, a second support plate 15, a first connecting plate 17, a first bearing seat 18, a first rotating shaft 19, a rocking handle 20, a second bevel gear 21, a second support plate 22, a second bearing seat 23, a second rotating shaft 24, a cam 25, a third bevel gear 26, a second connecting plate 27, a third bearing seat 28, a third rotating shaft 29, a fourth bevel gear 30 and a fifth bevel gear 31, wherein the vertical plate 2 is connected to the left side of the bottom plate 1, the mounting plate 3 is connected to the lower portion of the right side of the vertical plate 2, the shell 4 is connected to the front side of the mounting plate 3, the top of the, the bottom of the shell 4 is connected with a ball outlet pipe 6, the rear side surface in the shell 4 is rotatably connected with a rotating roller 7, the circumferential wall of the rotating roller 7 is uniformly connected with a plurality of stirring blades 8 at intervals, the front side of the rotating roller 7 is connected with a first bevel gear 9, the right side of the bottom plate 1 is connected with a first support plate 10, the top of the first support plate 10 is connected with a sliding sleeve 11, a sliding rod 12 is arranged in the sliding sleeve 11, the right end of the sliding rod 12 is connected with a first baffle 13, the sliding rod 12 is provided with a first spring 14, the right end of the first spring 14 is connected with the left side surface of the first baffle 13, the left end of the first spring 14 is connected with the right side surface of the sliding sleeve 11, the left end of the sliding rod 12 is connected with a second baffle 15, the right part of the second baffle 15 is provided with an opening 16, the bottom plate 1 on the right side of the first support plate 10 is connected with a first connecting plate, a rocking handle 20 is connected to the right end of the first rotating shaft 19, a second bevel gear 21 is connected to the left part of the first rotating shaft 19, a second support plate 22 is connected to the upper part of the left side surface of the first connecting plate 17, a second bearing block 23 is installed on the left side surface of the second support plate 22, a second rotating shaft 24 is connected to the second bearing block 23, a cam 25 is connected to the lower part of the second rotating shaft 24, the cam 25 is in contact with the right side surface of the first baffle plate 13, a third bevel gear 26 is connected to the upper part of the second rotating shaft 24, the third bevel gear 26 is meshed with the second bevel gear 21, a second connecting plate 27 is connected to the left side surface of the first connecting plate 17 on the upper side of the first bearing block 18, a third bearing block 28 is installed on the left side of the bottom of the second connecting plate 27, a third rotating shaft 29 is connected to the third bearing block 28, a fourth bevel gear 30 is connected to the right part of the third rotating shaft 29, the fifth bevel gear 31 meshes with the first bevel gear 9.
Still including collecting box 32, posterior lateral plate 34, first motor 35, first gear 36, arc 37 and second gear 38, the upper portion of 2 right flanks of riser is connected with collecting box 32, it has down the ball mouth to open in the centre of collecting box 32 bottom, the bottom of collecting box 32 is connected with posterior lateral plate 34, first motor 35 is installed on the right side of 34 leading flanks of posterior lateral plate, the output shaft of first motor 35 has first gear 36 through the coupling joint, 34 left collecting box 32 bottom of posterior lateral plate is connected with arc 37, the left side rotary type of 34 leading flanks of posterior lateral plate is connected with second gear 38, second gear 38 and the meshing of first gear 36, it has recess 39 to open on the second gear 38.
Example 3
An automatic probability pellet dropping device for education, as shown in figures 1-5, comprises a bottom plate 1, a vertical plate 2, a mounting plate 3, a shell 4, a pellet inlet pipe 5, a pellet outlet pipe 6, a rotating roller 7, a stirring blade 8, a first bevel gear 9, a first support plate 10, a sliding sleeve 11, a sliding rod 12, a first support plate 13, a first spring 14, a second support plate 15, a first connecting plate 17, a first bearing seat 18, a first rotating shaft 19, a rocking handle 20, a second bevel gear 21, a second support plate 22, a second bearing seat 23, a second rotating shaft 24, a cam 25, a third bevel gear 26, a second connecting plate 27, a third bearing seat 28, a third rotating shaft 29, a fourth bevel gear 30 and a fifth bevel gear 31, wherein the vertical plate 2 is connected to the left side of the bottom plate 1, the mounting plate 3 is connected to the lower portion of the right side of the vertical plate 2, the shell 4 is connected to the front side of the mounting plate 3, the top of the, the bottom of the shell 4 is connected with a ball outlet pipe 6, the rear side surface in the shell 4 is rotatably connected with a rotating roller 7, the circumferential wall of the rotating roller 7 is uniformly connected with a plurality of stirring blades 8 at intervals, the front side of the rotating roller 7 is connected with a first bevel gear 9, the right side of the bottom plate 1 is connected with a first support plate 10, the top of the first support plate 10 is connected with a sliding sleeve 11, a sliding rod 12 is arranged in the sliding sleeve 11, the right end of the sliding rod 12 is connected with a first baffle 13, the sliding rod 12 is provided with a first spring 14, the right end of the first spring 14 is connected with the left side surface of the first baffle 13, the left end of the first spring 14 is connected with the right side surface of the sliding sleeve 11, the left end of the sliding rod 12 is connected with a second baffle 15, the right part of the second baffle 15 is provided with an opening 16, the bottom plate 1 on the right side of the first support plate 10 is connected with a first connecting plate, a rocking handle 20 is connected to the right end of the first rotating shaft 19, a second bevel gear 21 is connected to the left part of the first rotating shaft 19, a second support plate 22 is connected to the upper part of the left side surface of the first connecting plate 17, a second bearing block 23 is installed on the left side surface of the second support plate 22, a second rotating shaft 24 is connected to the second bearing block 23, a cam 25 is connected to the lower part of the second rotating shaft 24, the cam 25 is in contact with the right side surface of the first baffle plate 13, a third bevel gear 26 is connected to the upper part of the second rotating shaft 24, the third bevel gear 26 is meshed with the second bevel gear 21, a second connecting plate 27 is connected to the left side surface of the first connecting plate 17 on the upper side of the first bearing block 18, a third bearing block 28 is installed on the left side of the bottom of the second connecting plate 27, a third rotating shaft 29 is connected to the third bearing block 28, a fourth bevel gear 30 is connected to the right part of the third rotating shaft 29, the fifth bevel gear 31 meshes with the first bevel gear 9.
Still including collecting box 32, posterior lateral plate 34, first motor 35, first gear 36, arc 37 and second gear 38, the upper portion of 2 right flanks of riser is connected with collecting box 32, it has down the ball mouth to open in the centre of collecting box 32 bottom, the bottom of collecting box 32 is connected with posterior lateral plate 34, first motor 35 is installed on the right side of 34 leading flanks of posterior lateral plate, the output shaft of first motor 35 has first gear 36 through the coupling joint, 34 left collecting box 32 bottom of posterior lateral plate is connected with arc 37, the left side rotary type of 34 leading flanks of posterior lateral plate is connected with second gear 38, second gear 38 and the meshing of first gear 36, it has recess 39 to open on the second gear 38.
The collecting box is characterized by further comprising a third connecting plate 40, a sliding rail 41, a sliding block 42 and a third baffle 43, the right side face of the vertical plate 2 on the upper side of the collecting box 32 is connected with the third connecting plate 40, the bottom of the third connecting plate 40 is connected with the sliding rail 41, the sliding block 42 is arranged on the sliding rail 41, the bottom of the sliding block 42 is connected with the third baffle 43, and the lower portion of the third baffle 43 is located in the collecting box 32.
Example 4
An automatic probability pellet dropping device for education, as shown in figures 1-5, comprises a bottom plate 1, a vertical plate 2, a mounting plate 3, a shell 4, a pellet inlet pipe 5, a pellet outlet pipe 6, a rotating roller 7, a stirring blade 8, a first bevel gear 9, a first support plate 10, a sliding sleeve 11, a sliding rod 12, a first support plate 13, a first spring 14, a second support plate 15, a first connecting plate 17, a first bearing seat 18, a first rotating shaft 19, a rocking handle 20, a second bevel gear 21, a second support plate 22, a second bearing seat 23, a second rotating shaft 24, a cam 25, a third bevel gear 26, a second connecting plate 27, a third bearing seat 28, a third rotating shaft 29, a fourth bevel gear 30 and a fifth bevel gear 31, wherein the vertical plate 2 is connected to the left side of the bottom plate 1, the mounting plate 3 is connected to the lower portion of the right side of the vertical plate 2, the shell 4 is connected to the front side of the mounting plate 3, the top of the, the bottom of the shell 4 is connected with a ball outlet pipe 6, the rear side surface in the shell 4 is rotatably connected with a rotating roller 7, the circumferential wall of the rotating roller 7 is uniformly connected with a plurality of stirring blades 8 at intervals, the front side of the rotating roller 7 is connected with a first bevel gear 9, the right side of the bottom plate 1 is connected with a first support plate 10, the top of the first support plate 10 is connected with a sliding sleeve 11, a sliding rod 12 is arranged in the sliding sleeve 11, the right end of the sliding rod 12 is connected with a first baffle 13, the sliding rod 12 is provided with a first spring 14, the right end of the first spring 14 is connected with the left side surface of the first baffle 13, the left end of the first spring 14 is connected with the right side surface of the sliding sleeve 11, the left end of the sliding rod 12 is connected with a second baffle 15, the right part of the second baffle 15 is provided with an opening 16, the bottom plate 1 on the right side of the first support plate 10 is connected with a first connecting plate, a rocking handle 20 is connected to the right end of the first rotating shaft 19, a second bevel gear 21 is connected to the left part of the first rotating shaft 19, a second support plate 22 is connected to the upper part of the left side surface of the first connecting plate 17, a second bearing block 23 is installed on the left side surface of the second support plate 22, a second rotating shaft 24 is connected to the second bearing block 23, a cam 25 is connected to the lower part of the second rotating shaft 24, the cam 25 is in contact with the right side surface of the first baffle plate 13, a third bevel gear 26 is connected to the upper part of the second rotating shaft 24, the third bevel gear 26 is meshed with the second bevel gear 21, a second connecting plate 27 is connected to the left side surface of the first connecting plate 17 on the upper side of the first bearing block 18, a third bearing block 28 is installed on the left side of the bottom of the second connecting plate 27, a third rotating shaft 29 is connected to the third bearing block 28, a fourth bevel gear 30 is connected to the right part of the third rotating shaft 29, the fifth bevel gear 31 meshes with the first bevel gear 9.
Still including collecting box 32, posterior lateral plate 34, first motor 35, first gear 36, arc 37 and second gear 38, the upper portion of 2 right flanks of riser is connected with collecting box 32, it has down the ball mouth to open in the centre of collecting box 32 bottom, the bottom of collecting box 32 is connected with posterior lateral plate 34, first motor 35 is installed on the right side of 34 leading flanks of posterior lateral plate, the output shaft of first motor 35 has first gear 36 through the coupling joint, 34 left collecting box 32 bottom of posterior lateral plate is connected with arc 37, the left side rotary type of 34 leading flanks of posterior lateral plate is connected with second gear 38, second gear 38 and the meshing of first gear 36, it has recess 39 to open on the second gear 38.
The collecting box is characterized by further comprising a third connecting plate 40, a sliding rail 41, a sliding block 42 and a third baffle 43, the right side face of the vertical plate 2 on the upper side of the collecting box 32 is connected with the third connecting plate 40, the bottom of the third connecting plate 40 is connected with the sliding rail 41, the sliding block 42 is arranged on the sliding rail 41, the bottom of the sliding block 42 is connected with the third baffle 43, and the lower portion of the third baffle 43 is located in the collecting box 32.
The sliding rail device is characterized by further comprising a second spring 44, a nut 45, a screw rod 46 and a handle 47, wherein the second spring 44 is connected between the left side face of the sliding block 42 and the right side face of the vertical plate 2, the nut 45 is connected to the bottom of the third connecting plate 40 on the right side of the sliding rail 41, the screw rod 46 is arranged in the nut 45, the left end of the screw rod 46 is in contact with the right side face of the sliding block 42, and the handle 47 is connected to the right end of the screw.
The third connecting plate 27 is characterized by further comprising a first belt wheel 48, a second motor 49, a second belt wheel 50 and a flat belt 51, the first belt wheel 48 is connected to the third rotating shaft 29, the second motor 49 is installed on the left side of the top of the second connecting plate 27, an output shaft of the second motor 49 is connected with the second belt wheel 50 through a coupling, and the second belt wheel 50 is connected with the first belt wheel 48 through the flat belt 51.
When probability calculation is needed, firstly, the small balls 33 with different colors are manually poured into the shell 4 through the ball inlet pipe 5, then the rocking handle 20 is manually shaken to rotate, the rocking handle 20 rotates to drive the first rotating shaft 19 to rotate, the first rotating shaft 19 rotates to drive the second bevel gear 21 to rotate, the second bevel gear 21 rotates to drive the third bevel gear 26 to rotate, the third bevel gear 26 rotates to drive the fourth bevel gear 30 to rotate, the fourth bevel gear 30 rotates to drive the third rotating shaft 29 to rotate, the third rotating shaft 29 rotates to drive the fifth bevel gear 31 to rotate, the fifth bevel gear 31 rotates to drive the first bevel gear 9 to rotate, the first bevel gear 9 rotates to drive the rotating roller 7 to rotate, the rotating roller 7 rotates to drive the stirring blades 8 to rotate, the stirring blades 8 rotate to stir the small balls 33 in the shell 4, and thus randomness of the small balls 33 can be increased. The third bevel gear 26 rotates to drive the second rotating shaft 24 to rotate, the second rotating shaft 24 rotates to drive the cam 25 to rotate, the cam 25 rotates to hit the first baffle 13, the first baffle 13 moves leftwards, the first spring 14 is compressed along with the first baffle 13, the first baffle 13 moves leftwards to drive the slide rod 12 to move leftwards, when the cam 25 does not hit the first baffle 13, the spring rebounds along with the first baffle 13, the first baffle 13 moves rightwards, the slide rod 12 moves rightwards along with the first baffle, the slide rod 12 moves leftwards and rightwards to drive the second baffle 15 to move leftwards and rightwards, the opening 16 is overlapped with the ball outlet pipe 6 along with the second baffle 15, small balls 33 with different colors in the shell 4 fall downwards through the ball outlet pipe 6, the color of the falling balls is counted manually, and the probability can be calculated.
Because still including the collecting box 32, posterior lateral plate 34, first motor 35, first gear 36, arc 37 and second gear 38, the upper portion of 2 right flanks of riser is connected with collecting box 32, it has the lower ball mouth to open in the centre of collecting box 32 bottom, the bottom of collecting box 32 is connected with posterior lateral plate 34, first motor 35 is installed on the right side of 34 leading flanks of posterior lateral plate, the output shaft of first motor 35 has first gear 36 through the coupling joint, the left collecting box 32 bottom of 34 left sides of posterior lateral plate is connected with arc 37, the left side rotary type of 34 leading flanks of posterior lateral plate is connected with second gear 38, second gear 38 and the meshing of first gear 36, it has recess 39 to open on the second gear 38. The manual work is poured the pellet 33 of different colours into in the collecting box 32, and artifical start first motor 35 afterwards rotates, and first motor 35 rotates and drives first gear 36 and rotate, and first gear 36 rotates and drives second gear 38 and rotate, and second gear 38 rotates and can pass through recess 39 and ball mouth coincidence down, so pellet 33 in the collecting box 32 falls into recess 39 downwards, and the second rack rotates and can transport the pellet 33 in the recess 39 downwards to the inlet tube 5 in, can realize the interval ball down through the rotation of second gear 38.
Because still including third connecting plate 40, slide rail 41, slider 42 and third baffle 43, the riser 2 right flank of collecting box 32 upside is connected with third connecting plate 40, and the bottom of third connecting plate 40 is connected with slide rail 41, is equipped with slider 42 on the slide rail 41, and the bottom of slider 42 is connected with third baffle 43, and the lower part of third baffle 43 is located the collecting box 32. When the small ball 33 on the left side of the third baffle 43 needs to fall, the third baffle 43 is manually moved to the right, and when the small ball 33 on the right side of the third baffle 43 needs to fall, the third baffle 43 is manually moved to the left.
Because still including second spring 44, nut 45, screw rod 46 and handle 47, be connected with second spring 44 between the left surface of slider 42 and the right flank of riser 2, the third connecting plate 40 bottom on slide rail 41 right side is connected with nut 45, is equipped with screw rod 46 in the nut 45, and the left end of screw rod 46 and the right flank contact of slider 42, and the right-hand member of screw rod 46 is connected with handle 47. The handle 47 is manually and clockwise shaken, the handle 47 clockwise rotates to drive the screw rod 46 to clockwise rotate, the screw rod 46 clockwise rotates to enable the sliding block 42 to move leftwards, the second spring 44 is compressed accordingly, the small balls 33 with different colors on the right side of the third baffle 43 can fall, when the small balls 33 with different colors on the left side of the third baffle 43 need to fall, the handle 47 is manually and anticlockwise shaken, and therefore the third baffle 43 does not need to be manually pushed to move leftwards and rightwards.
Because the connecting device further comprises a first belt wheel 48, a second motor 49, a second belt wheel 50 and a flat belt 51, the first belt wheel 48 is connected to the third rotating shaft 29, the second motor 49 is installed on the left side of the top of the second connecting plate 27, the output shaft of the second motor 49 is connected with the second belt wheel 50 through a coupling, and the second belt wheel 50 is connected with the first belt wheel 48 through the flat belt 51. The second motor 49 rotates to drive the second belt wheel 50 to rotate, the second belt wheel 50 rotates to enable the first belt wheel 48 to rotate through the flat belt 51, the first belt wheel 48 rotates to drive the third rotating shaft 29 to rotate, manual shaking of the rocking handle 20 is not needed, and therefore the time of a probability test can be shortened.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. An automatic probability pellet dropping device for education is characterized by comprising a base plate, a vertical plate, a mounting plate, a shell, a pellet inlet pipe, a pellet outlet pipe, a rotating roller, stirring blades, a first bevel gear, a first support plate, a sliding sleeve, a sliding rod, a first baffle, a first spring, a second baffle, a first connecting plate, a first bearing seat, a first rotating shaft, a rocking handle, a second bevel gear, a second support plate, a second bearing seat, a second rotating shaft, a cam, a third bevel gear, a second connecting plate, a third bearing seat, a third rotating shaft, a fourth bevel gear and a fifth bevel gear, wherein the vertical plate is connected to the left side of the base plate, the mounting plate is connected to the lower portion of the right side of the vertical plate, the shell is connected to the front side of the mounting plate, the pellet inlet pipe is connected to the top of the shell, the pellet outlet pipe is connected to the bottom of the shell, the rotating roller is rotatably connected to the rear side of, the front side of the rotating roller is connected with a first bevel gear, the right side of the bottom plate is connected with a first support plate, the top of the first support plate is connected with a sliding sleeve, a sliding rod is arranged in the sliding sleeve, the right end of the sliding rod is connected with a first baffle plate, a first spring is arranged on the sliding rod, the right end of the first spring is connected with the left side of the first baffle plate, the left end of the first spring is connected with a second baffle plate, the right part of the second baffle plate is provided with an opening, the bottom plate on the right side of the first support plate is connected with a first connecting plate, the upper part of the first connecting plate is embedded with a first bearing seat, the first bearing seat is connected with a first rotating shaft, the right end of the first rotating shaft is connected with a rocking handle, the left part of the first rotating shaft is connected with a second bevel gear, the upper part of the left side of the first connecting plate is connected with, the lower part of second pivot is connected with the cam, the right flank contact of cam and first baffle, the upper portion of second pivot is connected with third bevel gear, third bevel gear and second bevel gear meshing, the first connecting plate left surface of first bearing frame upside is connected with the second connecting plate, third bearing frame is installed in the left side of second connecting plate bottom, be connected with the third pivot on the third bearing frame, the right part of third pivot is connected with fourth bevel gear, fourth bevel gear and third bevel gear meshing, the left part of third pivot is connected with fifth bevel gear, fifth bevel gear and first bevel gear meshing.
2. The automatic probability pellet dropping device for education as claimed in claim 1, further comprising a collecting box, a rear side plate, a first motor, a first gear, an arc plate and a second gear, wherein the collecting box is connected to the upper portion of the right side of the vertical plate, a pellet dropping opening is formed in the middle of the bottom of the collecting box, the rear side plate is connected to the bottom of the collecting box, the first motor is installed on the right side of the front side of the rear side plate, an output shaft of the first motor is connected with the first gear through a coupling, the arc plate is connected to the bottom of the collecting box on the left side of the rear side plate, the second gear is rotatably connected to the left side of the front side of the rear side plate, the second gear is meshed with the first gear, and a.
3. The automatic probability pellet dropping device for education as claimed in claim 2, further comprising a third connecting plate, a slide rail, a slider and a third baffle, wherein the third connecting plate is connected to the right side of the vertical plate on the upper side of the collecting box, the slide rail is connected to the bottom of the third connecting plate, the slider is arranged on the slide rail, the third baffle is connected to the bottom of the slider, and the lower part of the third baffle is located in the collecting box.
4. The automatic probability pellet dropping device for education as claimed in claim 3, further comprising a second spring, a nut, a screw rod and a handle, wherein the second spring is connected between the left side surface of the sliding block and the right side surface of the vertical plate, the nut is connected to the bottom of the third connecting plate on the right side of the sliding rail, the screw rod is arranged in the nut, the left end of the screw rod is in contact with the right side surface of the sliding block, and the handle is connected to the right end of the screw rod.
5. The automatic probability pellet dropping device for education as claimed in claim 4, further comprising a first belt wheel, a second motor, a second belt wheel and a flat belt, wherein the third rotating shaft is connected with the first belt wheel, the second motor is installed on the left side of the top of the second connecting plate, the output shaft of the second motor is connected with the second belt wheel through a coupling, and the second belt wheel is connected with the first belt wheel through the flat belt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810340494.6A CN108648567B (en) | 2018-04-17 | 2018-04-17 | Probability pellet automatic dropping equipment for education |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810340494.6A CN108648567B (en) | 2018-04-17 | 2018-04-17 | Probability pellet automatic dropping equipment for education |
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| CN108648567A CN108648567A (en) | 2018-10-12 |
| CN108648567B true CN108648567B (en) | 2020-05-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109215451B (en) * | 2018-10-31 | 2020-10-16 | 苏州元联科技创业园管理有限公司 | Probability event rapid statistical device |
| CN110459093B (en) * | 2019-08-27 | 2021-07-27 | 平顶山学院 | Musical note simulation training device for music teaching aid |
| CN111833697B (en) * | 2020-07-03 | 2022-08-19 | 崔丽丽 | College mathematics probability incident teaching presentation device |
| CN113870666B (en) * | 2021-11-09 | 2023-04-07 | 甘肃民族师范学院 | Probability calculation demonstration equipment for mathematical education |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206097602U (en) * | 2016-08-12 | 2017-04-12 | 王娜娜 | Novel education of mathematics probability statistics device |
| CN206421698U (en) * | 2016-11-07 | 2017-08-18 | 许昌学院 | A kind of Mathematical probability statistics educational devices |
| CN107492288A (en) * | 2017-09-26 | 2017-12-19 | 王孝庆 | A kind of mathematical education is with probability calculation demonstration equipment |
-
2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206097602U (en) * | 2016-08-12 | 2017-04-12 | 王娜娜 | Novel education of mathematics probability statistics device |
| CN206421698U (en) * | 2016-11-07 | 2017-08-18 | 许昌学院 | A kind of Mathematical probability statistics educational devices |
| CN107492288A (en) * | 2017-09-26 | 2017-12-19 | 王孝庆 | A kind of mathematical education is with probability calculation demonstration equipment |
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