CN112991888A - Mathematical model for cultivating mathematical thinking of pupils - Google Patents
Mathematical model for cultivating mathematical thinking of pupils Download PDFInfo
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- CN112991888A CN112991888A CN202110316330.1A CN202110316330A CN112991888A CN 112991888 A CN112991888 A CN 112991888A CN 202110316330 A CN202110316330 A CN 202110316330A CN 112991888 A CN112991888 A CN 112991888A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- 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 discloses a mathematical model for training the mathematical thinking of pupils, which comprises a base, a rotary driving mechanism, a lifting mechanism and a teaching board, wherein the rotary driving mechanism comprises a movable plate, a pair of guide posts, a rotary plate and a rotary shaft, the lifting mechanism comprises a lifting part, a supporting box and a first sliding part, the teaching board is fixed at the upper end of the first sliding part, the teaching board comprises a writing area, a pair of placing boxes and a coordinate demonstration unit, wherein the coordinate demonstration unit is provided with a pair of coordinate rods, and the two ends of each coordinate rod are respectively provided with a second sliding part and a fixed seat. This device can freely go up and down to the coordinate pole can realize removing on coordinate demonstration unit, can pinpoint the coordinate of every point, and the learning practicality is strong, can high student's learning efficiency and teacher's lecture efficiency.
Description
Technical Field
The invention relates to teaching equipment, in particular to a mathematical model for the culture of the mathematical thinking of pupils.
Background
The mathematical model is a mathematical structure which is expressed in a general or approximate way by adopting a mathematical language aiming at the characteristic or quantity dependency relationship of a certain object system, and the mathematical structure is a pure relationship structure of a certain system which is drawn by means of a mathematical symbol. A mathematical model is understood broadly to include various concepts in mathematics, various formulas and various theories. In the sense that the whole mathematics can also be said to be a science about mathematical models, since they are abstracted from prototypes of the real world. In a narrow sense, mathematical models refer to mathematical relationship structures that reflect a particular problem or a particular system of things, and in this sense may also be understood as mathematical expressions that relate relationships between variables in a system. The mathematical model may be quantitative or qualitative, but must be represented in a quantitative manner. Therefore, the mathematical model method operates in a manner that is biased toward quantitative form. However, most of the existing mathematical models cannot be lifted freely, and when a teacher needs to accurately draw a coordinate system for students to learn the mathematical coordinates, the teacher wastes time and labor and is inconvenient to use.
Disclosure of Invention
In view of the above, the present invention provides a mathematical model for training the mathematical thinking of pupils to solve the above technical problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a mathematical model for training the mathematical thinking of pupils, comprising:
a base;
the rotary driving mechanism is arranged inside the base and comprises a movable plate, a pair of guide pillars, a rotary disc and a rotary shaft, the rotary shaft is arranged on the inner bottom wall of the base and penetrates through the upper end of the base and extends outwards, the rotary disc is sleeved on the periphery of the rotary shaft and is accommodated in the base, the pair of guide pillars are arranged at the right end in the base, the movable plate is sleeved on the pair of guide pillars, the left end of the movable plate can be connected with the bottom of the rotary disc in a clamping manner, and a rotary seat is arranged at the upper end of the rotary shaft;
the lifting mechanism comprises a lifting part, a supporting box and a first sliding part, the supporting box is fixed at the upper end of the rotating seat, the lifting part is arranged in the supporting box, one end of the lifting part extends out of the supporting box, the first sliding part is arranged at the upper end of the lifting part, the first sliding part is connected with the inner wall of the supporting box in a sliding mode, and the upper end of the first sliding part extends out of the upper end of the supporting box and extends outwards;
the teaching board comprises a writing area, a pair of placing boxes and a coordinate demonstration unit, wherein the writing area is arranged at the left end of the teaching board, the pair of placing boxes and the coordinate demonstration unit are arranged at the right end of the teaching board, and the pair of placing boxes are arranged at the lower end of the coordinate demonstration unit;
wherein, be equipped with a pair of coordinate pole on the coordinate demonstration unit, be the perpendicular interval between a pair of coordinate pole and set up the front end of coordinate demonstration unit, just the both ends of coordinate pole are equipped with second sliding part and fixing base respectively, the coordinate pole passes through the second sliding part can the front end of coordinate demonstration unit removes and passes through the fixing base is fixed, wherein, be equipped with on the coordinate pole and be used for the mark the pointer of coordinate demonstration unit size.
Furthermore, a pair of tension springs and a clamping column are arranged on the movable plate, the pair of tension springs are arranged at intervals in the middle of the movable plate and located between the pair of guide columns, the upper ends of the pair of tension springs are fixedly connected with the inner top wall of the base, and the clamping column can be connected with the bottom of the rotary table in a clamping mode.
Furthermore, a plurality of clamping grooves are formed in the bottom of the rotary table, are distributed in an annular shape and are arranged at the bottom of the rotary table, and the clamping columns can be connected with the clamping grooves in a clamping mode.
Furthermore, the bottom of the rotating seat is provided with a pair of rollers, and the pair of rollers are in sliding fit with the annular sliding groove of the base.
Further, first sliding part includes a swivel nut and a pair of movable pulley, the swivel nut sets up the upper end opening part of supporting box, a pair of movable pulley symmetry sets up the outer end of swivel nut and with the inside wall sliding connection of supporting box, the swivel nut overlaps and is equipped with a stop collar, the stop collar sets up and is close to at the swivel nut the one end of the upper end opening part of supporting box.
Furthermore, the lifting part comprises a rotating rod, a bevel gear set and a stud, the rotating rod is rotatably connected to the supporting box, the stud is connected with the inner thread of the threaded sleeve, and the two ends of the bevel gear set are respectively sleeved on the periphery of the rotating rod and the lower end of the stud.
Further, the second sliding part comprises a sliding block, the sliding block is sleeved at one end of the coordinate rod, and the sliding block can be in sliding connection with the first sliding groove of the coordinate demonstration unit or in sliding connection with the second sliding groove of the coordinate demonstration unit.
Furthermore, the fixing seat can be connected with a first accommodating groove of the coordinate demonstration unit in a clamping manner or connected with a second accommodating groove of the coordinate demonstration unit in a clamping manner.
Furthermore, the fixed strip of fixing base can pass through first holding pad centre gripping of establishing the inslot, the centre gripping is filled up and is removed through a pair of telescopic cylinder control, telescopic cylinder pass through the connecting rod with first inner wall setting of establishing the groove is in the same place, all is equipped with a compression spring in a pair of telescopic cylinder, compression spring's both ends support respectively press telescopic cylinder's inner wall with on the connecting rod.
Furthermore, an anti-skid pedal is further laid on the movable plate and arranged at the extending end of the movable plate.
The technical scheme can show that the invention has the advantages that: this device can freely go up and down to the coordinate pole can realize removing on coordinate demonstration unit, can pinpoint the coordinate of every point, and the learning practicality is strong, can high student's learning efficiency and teacher's lecture efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural sectional view of the base of the present invention.
Fig. 3 is a bottom view of the turntable of the present invention.
Fig. 4 is a schematic structural diagram of the lifting mechanism of the present invention.
Fig. 5 is a schematic structural diagram of a coordinate demonstration unit according to the present invention.
Fig. 6 is a partially enlarged view of a portion a of fig. 5.
Fig. 7 is a diagram showing the matching relationship between the coordinate demonstration unit and the fixing base.
List of reference numerals: the device comprises a base 1, an annular sliding groove 11, a universal wheel 12, a rotary driving mechanism 2, a movable plate 21, an anti-skid pedal 211, a guide post 22, a tension spring 23, a clamping post 24, a rotary disc 25, a clamping groove 251, a rotary shaft 252, a rotary seat 3, a roller 31, a lifting mechanism 4, a rotary rod 41, a support box 42, a bevel gear group 43, a stud 44, a thread sleeve 45, a sliding wheel 451, a limit sleeve 46, a teaching board 5, a writing area 51, a placing box 52, a coordinate demonstration unit 53, a first sliding groove 531, a second sliding groove 532, a first accommodating groove 533, a clamping pad 5331, a telescopic cylinder 5332, a compression spring 5333, a connecting rod 5334, a second accommodating groove 534, a coordinate rod 6, a sliding block 61, a pointer 62, a fixed seat 7 and a fixed strip 71.
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 following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
With reference to fig. 1 to 7, a mathematical model for mathematical thinking training of pupils as shown in fig. 1, 5 and 6 comprises a base 1, a rotary driving mechanism 2, a lifting mechanism 4 and a teaching board 5, wherein the bottom of the base 1 is supported by a plurality of universal wheels 12; the rotary driving mechanism 2 is arranged inside the base 1, the rotary driving mechanism 2 includes a movable plate 21, a pair of guide posts 22, a rotary disc 25 and a rotary shaft 252, the rotary shaft 252 is installed on the inner bottom wall of the base 1, the rotary shaft 252 penetrates through the upper end of the base 1 and extends outwards, the rotary disc 25 is sleeved on the periphery of the rotary shaft 252 and is accommodated in the base 1, the pair of guide posts 22 are both arranged at the right end of the base 1, the movable plate 21 is sleeved on the pair of guide posts 22, the left end of the movable plate 21 can be connected with the bottom of the rotary disc 25 in a clamping manner, and a rotary base 3 is installed at the upper end of the rotary shaft 252; the lifting mechanism 4 is arranged at the upper end of the rotating seat 3, the lifting mechanism 4 comprises a lifting part, a supporting box 42 and a first sliding part, the supporting box 42 is fixed at the upper end of the rotating seat 3, the lifting part is arranged in the supporting box 42, one end of the lifting part extends out of the supporting box 42, the first sliding part is arranged at the upper end of the lifting part, the first sliding part is connected with the inner wall of the supporting box 42 in a sliding manner, and the upper end of the first sliding part extends out of the upper end of the supporting box 42 and extends outwards; the teaching board 5 is fixed at the upper end of the first sliding part, the teaching board 5 comprises a writing area 51, a pair of placing boxes 52 and a coordinate demonstration unit 53, the writing area 51 is arranged at the left end of the teaching board 5, the pair of placing boxes 52 and the coordinate demonstration unit 53 are arranged at the right end of the teaching board 5, and the pair of placing boxes 52 are arranged at the lower end of the coordinate demonstration unit 53; wherein, be equipped with a pair of coordinate pole 6 on the coordinate demonstration unit 53, be the perpendicular interval between a pair of coordinate pole 6 and set up coordinate demonstration unit 53's front end, just the both ends of coordinate pole 6 are equipped with second sliding part and fixing base 7 respectively, coordinate pole 6 passes through the second sliding part can coordinate demonstration unit 53's front end removes and passes through fixing base 7 is fixed, wherein, be equipped with on the coordinate pole 6 and be used for the mark coordinate demonstration unit 53 size's pointer 62. The structure more than setting up can impart knowledge to students the demonstration well.
As shown in fig. 2, the movable plate 21 has a pair of tension springs 23 and a locking column 24, the pair of tension springs 23 are disposed at intervals in the middle of the movable plate 21 and located between the pair of guide posts 22, upper ends of the pair of tension springs 23 are fixedly connected to an inner top wall of the base 1, and the locking column 24 can be engaged with a bottom of the rotary table 25.
As shown in fig. 3, a plurality of slots 251 are formed at the bottom of the turntable 25, the slots 251 are annularly distributed and disposed at the bottom of the turntable 25, and the locking column 24 can be connected with the slots 251 in a clamping manner.
Preferably, the bottom of the rotating seat 3 is provided with a pair of rollers 31, and the pair of rollers 31 are both in sliding fit with the annular chute 11 of the base 1.
Preferably, first sliding part includes a swivel nut 45 and a pair of movable pulley 451, swivel nut 45 sets up the upper end opening part of supporting box 42, and a pair of movable pulley 451 symmetry sets up the outer end of swivel nut 45 and with the inside wall sliding connection of supporting box 42, the cover is equipped with a stop collar 46 on the swivel nut 45, stop collar 46 sets up and is close to at swivel nut 45 the one end of the upper end opening part of supporting box 42.
As shown in fig. 4, the lifting unit includes a rotating rod 41, a bevel gear set 43 and a stud 44, the rotating rod 41 is rotatably connected to the supporting box 42, the stud 44 is in threaded connection with the inner portion of the threaded sleeve 45, and two ends of the bevel gear set 43 are respectively sleeved on the periphery of the rotating rod 41 and the lower end of the stud 44.
Preferably, the second sliding portion includes a sliding block 61, the sliding block 61 is sleeved at one end of the coordinate rod 6, and the sliding block 61 can be slidably connected with the first sliding groove 531 of the coordinate demonstration unit 53 or slidably connected with the second sliding groove 532 of the coordinate demonstration unit 53.
Preferably, the fixing base 7 can be connected with the first accommodating groove 533 of the coordinate demonstration unit 53 in a snap-fit manner or connected with the second accommodating groove 534 of the coordinate demonstration unit 53 in a snap-fit manner.
As shown in fig. 7, the fixing bar 71 of the fixing base 7 can be clamped by a pair of clamping pads 5331 in the first accommodating groove 533, the clamping pads 5331 are controlled to move by a pair of telescopic cylinders 5332, the telescopic cylinders 5332 are disposed together with the inner wall of the first accommodating groove 533 by a connecting rod 5334, a compression spring 5333 is disposed in each of the pair of telescopic cylinders 5332, and two ends of the compression spring 5333 respectively press against the inner wall of the telescopic cylinder 5332 and the connecting rod 5334.
Preferably, an anti-skid pedal 211 is further disposed on the movable plate 21, and the anti-skid pedal 211 is disposed at the extending end of the movable plate 21.
During the working process, when the anti-skid pedal 211 is used, the angle can be adjusted according to the situation, the foot is used for stepping on the anti-skid pedal 211, so that the movable plate 21 descends along the pair of guide posts 22, the clamping posts 24 are separated from the turntable 251, then the rotating seat 3 is rotated to drive the upper structure to rotate, the anti-skid pedal 211 is loosened, and the tension spring 23 is reset to continue to clamp the clamping posts on the turntable 25; the handle on the rotating rod 41 can be rotated to drive the stud 44 to rotate, drive the threaded sleeve 45 to ascend and drive the teaching board 5 to ascend; can stir two ascending coordinate poles 6 of orientation and demonstrate on coordinate demonstration unit 53, set up fixing base 7 and first appearance and establish groove 533, the second holds and establishes groove 534 and is not random after adjusting the position for restriction coordinate pole 6, when wanting the shift position, can stimulate the lower extreme or the left end of coordinate pole 6, make fixed strip 71 break away from first appearance and establish groove 533, the second holds and establishes groove 534, press gently after adjusting, support fixed strip 71 and press between two centre gripping pads 5331, accomplish fixedly. To sum up, this device can freely go up and down to coordinate pole 6 can realize removing on coordinate demonstration unit 53, can pinpoint the coordinate of every point, and the study practicality is strong, can high student's learning efficiency and mr's lecture efficiency.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A mathematical model for training the mathematical thinking of pupils, comprising:
a base (1);
the rotary driving mechanism (2) is arranged inside the base (1), the rotary driving mechanism (2) comprises a movable plate (21), a pair of guide pillars (22), a rotary disc (25) and a rotary shaft (252), the rotary shaft (252) is installed on the inner bottom wall of the base (1), the rotary shaft (252) penetrates through the upper end of the base (1) and extends outwards, the rotary disc (25) is sleeved on the periphery of the rotary shaft (252) and is contained in the base (1), the pair of guide pillars (22) are both arranged at the right end of the base (1), the movable plate (21) is sleeved on the pair of guide pillars (22), the left end of the movable plate (21) can be connected with the bottom of the rotary disc (25) in a clamping manner, and a rotary seat (3) is installed at the upper end of the rotary shaft (252);
the lifting mechanism (4) comprises a lifting part, a supporting box (42) and a first sliding part, the supporting box (42) is fixed at the upper end of the rotating seat (3), the lifting part is arranged in the supporting box (42), one end of the lifting part extends out of the supporting box (42), the first sliding part is arranged at the upper end of the lifting part and is connected with the inner wall of the supporting box (42) in a sliding mode, and the upper end of the first sliding part extends out of the upper end of the supporting box (42) and extends outwards;
the teaching board (5), the teaching board (5) comprises a writing area (51), a pair of placing boxes (52) and a coordinate demonstration unit (53), the writing area (51) is arranged at the left end of the teaching board (5), the pair of placing boxes (52) and the coordinate demonstration unit (53) are arranged at the right end of the teaching board (5), and the pair of placing boxes (52) are arranged at the lower end of the coordinate demonstration unit (53);
wherein, be equipped with a pair of coordinate pole (6) on coordinate demonstration unit (53), be the perpendicular interval between a pair of coordinate pole (6) and set up the front end of coordinate demonstration unit (53), just the both ends of coordinate pole (6) are equipped with second sliding part and fixing base (7) respectively, coordinate pole (6) pass through second sliding part can the front end of coordinate demonstration unit (53) removes and passes through fixing base (7) are fixed, wherein, be equipped with on coordinate pole (6) and be used for the mark pointer (62) of coordinate demonstration unit (53) size.
2. The mathematical model for the mathematical thinking training of the pupils as in claim 1, wherein the movable plate (21) is provided with a pair of tension springs (23) and a locking column (24), the pair of tension springs (23) are arranged at the middle of the movable plate (21) at intervals and located between the pair of guide columns (22), the upper ends of the pair of tension springs (23) are fixedly connected with the inner top wall of the base (1), and the locking column (24) can be connected with the bottom of the rotary disc (25) in a clamping manner.
3. The mathematical model for the mathematical thinking training of the pupils as in claim 2, wherein a plurality of slots (251) are formed at the bottom of the rotating disc (25), the slots (251) are distributed in a ring shape and are disposed at the bottom of the rotating disc (25), and the locking column (24) can be connected with the slots (251) in a locking manner.
4. The mathematical model for the mathematical thinking training of the pupils as in claim 1, wherein the bottom of the rotating base (3) is provided with a pair of rollers (31), and the pair of rollers (31) are both in sliding fit with the annular sliding groove (11) of the base (1).
5. The mathematical model for the mathematical thinking training of the pupils as in claim 1, wherein the first sliding part comprises a threaded sleeve (45) and a pair of sliding wheels (451), the threaded sleeve (45) is disposed at the upper opening of the supporting box (42), the pair of sliding wheels (451) is symmetrically disposed at the outer end of the threaded sleeve (45) and slidably connected with the inner side wall of the supporting box (42), the threaded sleeve (45) is sleeved with a stop collar (46), and the stop collar (46) is disposed at the end of the threaded sleeve (45) close to the upper opening of the supporting box (42).
6. The mathematical model for the mathematical thinking training of the pupils as in claim 5, wherein the lifting part comprises a rotating rod (41), a bevel gear set (43) and a stud (44), the rotating rod (41) is rotatably connected to the supporting box (42), the stud (44) is in threaded connection with the inside of the threaded sleeve (45), and two ends of the bevel gear set (43) are respectively sleeved on the periphery of the rotating rod (41) and the lower end of the stud (44).
7. The mathematical model for training of mathematical thinking of pupils as in claim 1, wherein the second sliding part comprises a sliding block (61), the sliding block (61) is sleeved on one end of the coordinate rod (6), and the sliding block (61) can be connected with the first sliding groove (531) of the coordinate demonstration unit (53) or connected with the second sliding groove (532) of the coordinate demonstration unit (53) in a sliding manner.
8. The mathematical model for the mathematical thinking training of the pupils as in claim 7, wherein the fixing base (7) can be engaged with the first receiving groove (533) of the coordinate demonstration unit (53) or the second receiving groove (534) of the coordinate demonstration unit (53).
9. The mathematical model for the mathematical thinking training of the pupils as in claim 8, wherein the fixing strip (71) of the fixing base (7) can be clamped by a pair of clamping pads (5331) in the first accommodating groove (533), the clamping pads (5331) are controlled to move by a pair of telescopic cylinders (5332), the telescopic cylinders (5332) are arranged with the inner wall of the first accommodating groove (533) through connecting rods (5334), a compression spring (5333) is arranged in each pair of telescopic cylinders (5332), and two ends of the compression spring (5333) respectively press against the inner wall of the telescopic cylinder (5332) and the connecting rods (5334).
10. The mathematical model for the mathematical thinking training of the pupils as in claim 1, wherein the movable plate (21) is further laid with an anti-skid pedal (211), and the anti-skid pedal (211) is disposed at the extending end of the movable plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316330.1A CN112991888A (en) | 2021-03-24 | 2021-03-24 | Mathematical model for cultivating mathematical thinking of pupils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110316330.1A CN112991888A (en) | 2021-03-24 | 2021-03-24 | Mathematical model for cultivating mathematical thinking of pupils |
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| Publication Number | Publication Date |
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| CN112991888A true CN112991888A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110316330.1A Withdrawn CN112991888A (en) | 2021-03-24 | 2021-03-24 | Mathematical model for cultivating mathematical thinking of pupils |
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Application publication date: 20210618 |
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