CN214202847U

CN214202847U - Teaching aid based on mathematical modeling

Info

Publication number: CN214202847U
Application number: CN202120254466.XU
Authority: CN
Inventors: 齐圆华
Original assignee: Hainan College Of Software Technology
Current assignee: Hainan College Of Software Technology
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-09-14
Anticipated expiration: 2031-01-29

Abstract

The application discloses teaching aid based on mathematical modeling, including support frame, unable adjustment base, trapped orbit shell, bearing structure and instruction structure, unable adjustment base's upper surface department fixedly connected with trapped orbit shell, install bearing structure in the inner chamber of trapped orbit shell, bearing structure includes slider, brace table, support column, elevator block, threaded rod, twist grip, lift fixed station and inserted block. This device is rational in infrastructure, and convenient to use, this device can simulate the modeling to mathematical function curve, and the teacher of being convenient for simulates the teaching, and the shape of function curve can conveniently be nimble simultaneously adjust, the result of use preferred, and this device can carry out the shape of dynamic change function curve through the operation, and the teacher of being convenient for carries out dynamic teaching, helps the student to understand the dynamic variation condition of function curve, and the student of being convenient for simultaneously observes, is fit for promoting.

Description

Teaching aid based on mathematical modeling

Technical Field

The application relates to a teaching aid, in particular to a teaching aid based on mathematical modeling.

Background

The mathematical model is a scientific or engineering model constructed by using a mathematical logic method and a mathematical language, and the history of the mathematical model can be traced back to the era that human beings use numbers. As humans use numbers, various mathematical models are continually being built to solve a wide variety of practical problems. A mathematical model can be established for comprehensive quality evaluation of the wide scientific and technical workers to the college students, evaluation of the performance of the teachers and daily activities such as friend visiting, purchasing and the like, and an optimal scheme can be established. The establishment of the mathematical model is an indispensable bridge for communicating the actual problems in front of the face with the mathematical tools.

At the present stage, for mathematical function curve teaching, teachers need to manually draw function curves, dynamic changes of the function curves cannot be well demonstrated through a manual drawing method, and the teaching effect is poor. Therefore, a teaching aid based on mathematical modeling is provided for the above problems.

Disclosure of Invention

A teaching aid based on mathematical modeling comprises a support frame, a fixed base, a fixed track shell, a support structure and an indication structure;

the upper surface of the fixed base is fixedly connected with a fixed track shell, a supporting structure is installed in an inner cavity of the fixed track shell, the supporting structure comprises a sliding block, a supporting table, a supporting column, a lifting block, a threaded rod, a rotating handle, a lifting fixed table and an inserting block, the sliding block is connected in the inner cavity of the fixed track shell in a sliding mode, the supporting table is fixedly connected at the upper surface of the sliding block, the upper end of the supporting table extends out of the upper wall of the fixed track shell, the supporting table is in sliding fit with the upper wall of the inner cavity of the fixed track shell, the supporting column is fixedly connected at the upper surface of the supporting table, an inner cavity is formed in the supporting column, the lifting block is connected in the inner cavity of the supporting column in a sliding mode, the threaded rod is rotatably connected between the upper wall and the lower wall of the inner cavity of the supporting column, and the rotating handle is rotatably connected at the upper surface of the supporting column, the bottom end of the rotating handle is fixedly connected with the top end of the threaded rod, the side wall of the lifting block is fixedly connected with a lifting fixing table, one end of the lifting fixing table extends out of the inner cavity wall of the support column, the lifting fixing table is in sliding fit with the inner cavity side wall of the support column, and the side wall of the lifting fixing table is fixedly connected with an inserting block;

the indicating structure comprises a fixing plate, a limiting bolt, an indicating lamp and a laser lamp, wherein the limiting bolt is connected to the fixing plate in a threaded mode, the indicating lamp is fixedly installed at the surface of the fixing plate, and the laser lamp is fixedly installed at the side wall of the fixing plate.

Further, the equal fixedly connected with support frame in unable adjustment base's lower surface four corners department, unable adjustment base's lateral wall department is provided with the scale.

Furthermore, one side of the fixed base is fixedly connected with a fixed side plate, and the surface of the fixed side plate is provided with scales.

Furthermore, the support structures are arranged in a plurality of groups, and the support structures are arranged at the fixed track shell.

Further, one side lateral wall department fixedly connected with pointer of slider, the pointer extends to outside the wall of trapped orbit shell, sliding fit between the inner chamber lateral wall of pointer and trapped orbit shell, the directional unable adjustment base's of one end scale department of pointer, the opposite side lateral wall department fixedly connected with reference column of slider, the reference column extends to outside the wall of trapped orbit shell, sliding fit between the inner chamber lateral wall of reference column and trapped orbit shell, the arc wall department threaded connection of reference column has the position sleeve.

Furthermore, the indication structure has a plurality of groups, a slot is formed in the side wall of the fixing plate, the slot of the fixing plate is in sliding insertion with the insertion block, one end of the limiting bolt abuts against the upper surface of the insertion block, and elastic connecting ropes are fixedly connected between the fixing plates.

The beneficial effect of this application is: the application provides a teaching aid based on mathematical modeling convenient to dynamic demonstration.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of an internal structure of an embodiment of the present application;

FIG. 2 is a schematic side view of a connection structure of a pointer according to an embodiment of the present application;

FIG. 3 is a schematic side view of a fixing plate according to an embodiment of the present application;

fig. 4 is a schematic side view of a fixed side plate according to an embodiment of the present application.

In the figure: 1. the support frame, 2, unable adjustment base, 3, fixed track shell, 4, slider, 5, brace table, 6, support column, 7, pointer, 8, reference column, 9, position sleeve, 10, elevator, 11, threaded rod, 12, twist grip, 13, lift fixed station, 14, inserted block, 15, fixed plate, 16, spacing bolt, 17, pilot lamp, 18, laser lamp, 19, elastic connection rope, 20, fixed curb plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a teaching aid based on mathematical modeling includes a support frame 1, a fixed base 2, a fixed track shell 3, a support structure and an indication structure;

the upper surface of the fixed base 2 is fixedly connected with a fixed track shell 3, a supporting structure is installed in an inner cavity of the fixed track shell 3, the supporting structure comprises a sliding block 4, a supporting table 5, a supporting column 6, a lifting block 10, a threaded rod 11, a rotating handle 12, a lifting fixing table 13 and an inserting block 14, the sliding block 4 is connected in the inner cavity of the fixed track shell 3 in a sliding manner, the supporting table 5 is fixedly connected at the upper surface of the sliding block 4, the upper end of the supporting table 5 extends out of the upper wall of the fixed track shell 3, the supporting table 5 is in sliding fit with the upper wall of the inner cavity of the fixed track shell 3, the supporting column 6 is fixedly connected at the upper surface of the supporting table 5, an inner cavity is formed inside the supporting column 6, the lifting block 10 is connected in the inner cavity of the supporting column 6 in a sliding manner, and the threaded rod 11 is rotatably connected between the upper wall and the lower wall of the inner cavity of the supporting column 6, a rotating handle 12 is rotatably connected to the upper surface of the supporting column 6, the bottom end of the rotating handle 12 is fixedly connected to the top end of the threaded rod 11, a lifting fixing table 13 is fixedly connected to the side wall of the lifting block 10, one end of the lifting fixing table 13 extends out of the inner cavity wall of the supporting column 6, the lifting fixing table 13 is in sliding fit with the inner cavity side wall of the supporting column 6, and an inserting block 14 is fixedly connected to the side wall of the lifting fixing table 13;

the indicating structure comprises a fixing plate 15, a limiting bolt 16, an indicating lamp 17 and a laser lamp 18, wherein the limiting bolt 16 is connected to the fixing plate 15 through threads, the indicating lamp 17 is fixedly installed on the surface of the fixing plate 15, and the laser lamp 18 is fixedly installed on the side wall of the fixing plate 15.

The four corners of the lower surface of the fixed base 2 are fixedly connected with support frames 1, and the side wall of the fixed base 2 is provided with scales; a fixed side plate 20 is fixedly connected to one side of the fixed base 2, and scales are arranged on the surface of the fixed side plate 20; the supporting structures are arranged in a plurality of groups, and the supporting structures are all arranged at the fixed track shell 3; a pointer 7 is fixedly connected to the side wall of one side of the sliding block 4, the pointer 7 extends out of the wall of the fixed track shell 3, the pointer 7 is in sliding fit with the side wall of the inner cavity of the fixed track shell 3, one end of the pointer 7 points to the scale of the fixed base 2, a positioning column 8 is fixedly connected to the side wall of the other side of the sliding block 4, the positioning column 8 extends out of the wall of the fixed track shell 3, the positioning column 8 is in sliding fit with the side wall of the inner cavity of the fixed track shell 3, and a positioning sleeve 9 is in threaded connection with the arc-shaped wall of the positioning column 8; the indicating structure is provided with a plurality of groups, a slot is formed in the side wall of the fixing plate 15, the slot of the fixing plate 15 is in sliding insertion connection with the insertion block 14, one end of the limiting bolt 16 abuts against the upper surface of the insertion block 14, and elastic connecting ropes 19 are fixedly connected among the fixing plates 15.

When the device is used, firstly, a plurality of indicating lights 17 on the device can be used as a plurality of points on a mathematical function curve for simulation, an elastic connecting rope 19 on the device can be used as a connecting line between a plurality of points on the function curve for simulation, a scale on a fixed base 2 of the device can be used for simulation of an X axis on a rectangular coordinate system, a scale on a fixed side plate 20 of the device can be used for simulation of a Y axis on the rectangular coordinate system, when the device is actually operated, the horizontal position of a supporting column 6 can be adjusted by pushing the supporting column 6, and then the horizontal position of the indicating lights 17 can be adjusted, and further the X axis position of a point on the function curve can be simulated, and a teacher can accurately control the horizontal position of the indicating lights 17 by the indicating function of a pointer 7, and the rotating handle 12 is manually rotated to drive the threaded rod 11 to rotate, rotation through threaded rod 11 drives elevator 10 and removes, and then highly adjust elevator 10, and then the adjustment indicates the vertical position of illumination lamp 17, and then the Y axle position of point on the simulation function curve, shine the point position on fixed curb plate 20 through laser lamp 18, and then the vertical position of comparatively accurate control indication lamp 17, carry out the simulation of function curve, carry out the shape of dynamic change function curve through the operation, help the student to understand the dynamic change condition of function curve, through the luminous of instructing illumination lamp 17, the student of being convenient for observes, and is suitable for being generalized to use.

The application has the advantages that:

1. the device has reasonable structure and convenient use, can simulate mathematical function curves, is convenient for teachers to simulate teaching, can conveniently and flexibly adjust the shapes of the function curves, and has better use effect;

2. this device can carry out the shape of dynamic change function curve through the operation, and the teacher of being convenient for carries out dynamic teaching, helps the student to understand the dynamic change condition of function curve, and the student of being convenient for simultaneously observes, is fit for promoting.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A teaching aid based on mathematical modeling is characterized in that: the device comprises a support frame (1), a fixed base (2), a fixed track shell (3), a support structure and an indication structure;

the upper surface of the fixed base (2) is fixedly connected with a fixed track shell (3), a supporting structure is installed in an inner cavity of the fixed track shell (3), the supporting structure comprises a sliding block (4), a supporting table (5), a supporting column (6), a lifting block (10), a threaded rod (11), a rotating handle (12), a lifting fixed table (13) and an inserting block (14), the sliding block (4) is connected in the inner cavity of the fixed track shell (3), the supporting table (5) is fixedly connected to the upper surface of the sliding block (4), the upper end of the supporting table (5) extends out of the upper wall of the fixed track shell (3), the supporting table (5) is in sliding fit with the upper wall of the inner cavity of the fixed track shell (3), the supporting column (6) is fixedly connected to the upper surface of the supporting table (5), an inner cavity is formed in the supporting column (6), a lifting block (10) is connected in an inner cavity of the supporting column (6) in a sliding manner, a threaded rod (11) is connected between the upper wall and the lower wall of the inner cavity of the supporting column (6) in a rotating manner, a rotating handle (12) is connected to the upper surface of the supporting column (6) in a rotating manner, the bottom end of the rotating handle (12) is fixedly connected with the top end of the threaded rod (11), a lifting fixing table (13) is fixedly connected to the side wall of the lifting block (10), one end of the lifting fixing table (13) extends out of the inner cavity wall of the supporting column (6), the lifting fixing table (13) is in sliding fit with the inner cavity side wall of the supporting column (6), and an insert block (14) is fixedly connected to the side wall of the;

the indicating structure comprises a fixing plate (15), a limiting bolt (16), an indicating lamp (17) and a laser lamp (18), wherein the fixing plate (15) is connected with the limiting bolt (16) in a threaded mode, the indicating lamp (17) is fixedly installed at the surface of the fixing plate (15), and the laser lamp (18) is fixedly installed at the side wall of the fixing plate (15).

2. A teaching aid based on mathematical modeling as claimed in claim 1, wherein: equal fixedly connected with support frame (1) in lower surface four corners department of unable adjustment base (2), the lateral wall department of unable adjustment base (2) is provided with the scale.

3. A teaching aid based on mathematical modeling as claimed in claim 1, wherein: one side of the fixed base (2) is fixedly connected with a fixed side plate (20), and the surface of the fixed side plate (20) is provided with scales.

4. A teaching aid based on mathematical modeling as claimed in claim 1, wherein: the supporting structures are arranged in a plurality of groups, and the supporting structures are arranged at the fixed track shell (3).

5. A teaching aid based on mathematical modeling as claimed in claim 1, wherein: one side lateral wall department fixedly connected with pointer (7) of slider (4), pointer (7) extend outside the wall of trapped orbit shell (3), sliding fit between the inner chamber lateral wall of pointer (7) and trapped orbit shell (3), the scale department of the directional unable adjustment base (2) of one end of pointer (7), the opposite side lateral wall department fixedly connected with reference column (8) of slider (4), outside reference column (8) extend to the wall of trapped orbit shell (3), sliding fit between the inner chamber lateral wall of reference column (8) and trapped orbit shell (3), the arc wall department threaded connection of reference column (8) has position sleeve (9).

6. A teaching aid based on mathematical modeling as claimed in claim 1, wherein: the indication structure comprises a plurality of groups, a slot is formed in the side wall of the fixing plate (15), the slot of the fixing plate (15) is in sliding insertion connection with the insertion block (14), one end of the limiting bolt (16) abuts against the upper surface of the insertion block (14), and elastic connecting ropes (19) are fixedly connected between the fixing plates (15).