CN214175458U

CN214175458U - Mathematical modeling simulation demonstration device

Info

Publication number: CN214175458U
Application number: CN202120280903.5U
Authority: CN
Inventors: 杨艳萍; 吕振雷; 王大鹿
Original assignee: Yellow River Conservancy Technical Institute
Current assignee: Yellow River Conservancy Technical Institute
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-10
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a mathematical modeling simulation presentation device: the gear transmission mechanism comprises a base, an incomplete gear mechanism, a telescopic rod and a controller, wherein the base is of a hollow columnar structure with an opening at the top; the incomplete gear mechanism is arranged in the base and is connected with the lower end of the first supporting shaft so as to be used for driving the top plate to do intermittent motion; the four telescopic rods are distributed on the upper surface of the top plate in a rectangular shape, the top of each telescopic rod is provided with a horizontal iron sheet, the upper surface of each iron sheet is provided with a magnetic right-angle stop block, each magnetic right-angle stop block comprises two magnetic sheets which are perpendicular to each other, and the openings of the magnetic right-angle stop blocks on the four iron sheets are all arranged towards the centers of the four iron sheets; the controller is connected with the incomplete gear mechanism; the utility model provides a mathematical model presentation device capable of carrying out all-round display.

Description

Mathematical modeling simulation demonstration device

Technical Field

The utility model belongs to the technical field of the teaching articles for use, concretely relates to mathematical modeling simulation presentation device.

Background

Mathematical modeling is a process of solving a real problem by establishing a mathematical model, the teaching of mathematical modeling generally requires a teacher to show a modeling process to students and explain and demonstrate the modeling process, the mathematical modeling is an important means for solving problems in the mathematical field, and the well-learned modeling is a basis for well-learned mathematics.

At present, the present presentation device can't realize intermittent type demonstration, and the demonstration form is single, can't the omnidirectional show mathematical modeling's simulation model, and mathematical modeling's simulation model's demonstration needs each angle of abundant show model, and needs intermittent type and incessant going on, and the requirement of mathematical modeling simulation model demonstration can't be satisfied to current equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mathematical modeling simulation presentation device provides a mathematical model presentation device that can carry out all-round show.

The utility model adopts the technical scheme that a mathematical modeling simulation presentation device, include: the base is of a hollow columnar structure with an opening at the top, the top of the base is rotatably connected with a top plate, and the bottom surface of the top plate is fixedly connected with a first supporting shaft;

the incomplete gear mechanism is arranged in the base and is connected with the lower end of the first supporting shaft so as to be used for driving the top plate to do intermittent motion;

the four telescopic rods are distributed on the upper surface of the top plate in a rectangular mode, the top of each telescopic rod is provided with a horizontal iron sheet, the upper surface of each iron sheet is provided with a magnetic right-angle stop block, each magnetic right-angle stop block comprises two magnetic sheets which are perpendicular to each other, and openings of the magnetic right-angle stop blocks on the four iron sheets are arranged towards the centers of the four iron sheets;

and the controller is arranged on the upper surface of the top plate and is connected with the incomplete gear mechanism.

The inner side of the top of the base is provided with an annular groove, and the top plate is rotatably connected in the groove.

Incomplete gear mechanism is including installing the first motor in the base, and the output shaft of first motor is vertical upwards and be connected with the driving gear, still be provided with in the base with driving gear engaged with driven gear, the bottom still is provided with and is used for supporting driven gear pivoted second back shaft in the base, the lower extreme of first back shaft and driven gear's up end fixed connection, first motor is connected with the controller.

Every telescopic link is including setting up the hollow round bar at the roof upper surface, and the bottom surface is provided with the second motor in the hollow round bar, and the output shaft of second motor is vertical upwards and be connected with the lead screw, and threaded connection has ascending connecting rod on the lead screw, the top of connecting rod and the bottom surface fixed connection of iron sheet, and the second motor is connected with the controller.

The upper surface of the top plate is also provided with a vertical rod, the vertical rod is provided with a lighting lamp, and a switch of the lighting lamp is connected with the controller.

The utility model has the advantages that:

the utility model discloses a mathematical modeling simulation demonstration device, which is used for placing a mathematical model to be demonstrated in the middle of four iron sheets, and fixing the position of the mathematical model through four magnetic right-angle stoppers, and adjusting two telescopic rods in the mathematical model when the mathematical model is required to be placed in a tilted manner, so that the model is tilted towards one direction;

the utility model discloses a mathematical modeling simulation presentation device drives incomplete gear mechanism's driving gear through the first motor of controller control and rotates, when the driving gear rotates, can make intermittent type nature rotation rather than the driven gear of meshing, and after the rotational speed of adjusting the driving gear, driven gear just can drive first supporting shaft and roof and make intermittent type nature rotary motion, and then can realize the omnidirectional demonstration of model.

Drawings

Fig. 1 is a front view of a mathematical modeling simulation demonstration apparatus of the present invention;

FIG. 2 is a top view of the mathematical modeling simulation demonstration apparatus of the present invention

FIG. 3 is a schematic connection diagram of an incomplete gear mechanism of the mathematical modeling simulation demonstration apparatus of the present invention;

fig. 4 is the utility model discloses a structural schematic of telescopic link in mathematical modeling simulation presentation device.

In the figure, 1, a base, 2, a top plate, 3, a first supporting shaft, 4, a telescopic rod, 5, an iron sheet, 6, a magnetic right-angle stop block, 7, a magnetic sheet, 8, a controller, 9, a first motor, 10, a driving gear, 11, a driven gear, 12, a second supporting shaft, 13, a hollow round rod, 14, a second motor, 15, a screw rod, 16, a connecting rod, 17, a lighting lamp and 18, a vertical rod are arranged.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection solutions of the present invention are not limited thereto.

Example 1

The utility model discloses a mathematical modeling simulation presentation device, as shown in fig. 1-3, including base 1, incomplete gear mechanism, telescopic link 4 and controller 8: the base 1 is a hollow columnar structure with an opening at the top, the top of the base 1 is rotatably connected with a top plate 2, and the bottom surface of the top plate 2 is fixedly connected with a first support shaft 3; the incomplete gear mechanism is arranged in the base 1 and is connected with the lower end of the first supporting shaft 3 so as to drive the top plate 2 to do intermittent motion; the four telescopic rods 4 are distributed on the upper surface of the top plate 2 in a rectangular shape, the top of each telescopic rod 4 is provided with a horizontal iron sheet 5, the upper surface of each iron sheet 5 is provided with a magnetic right-angle stop block 6, each magnetic right-angle stop block 6 comprises two magnetic sheets 7 which are perpendicular to each other, and the openings of the magnetic right-angle stop blocks 6 on the four iron sheets 5 are all arranged towards the centers of the four iron sheets 5; the controller 8 is arranged on the upper surface of the top plate 2, and the controller 8 is connected with the incomplete gear mechanism; the upper surface of the top plate 2 is also provided with a vertical rod 18, the vertical rod 18 is provided with a lighting lamp 17, and a switch of the lighting lamp 17 is connected with the controller 8.

Further, base 1 top inboard is provided with annular recess, and roof 2 rotates to be connected in the recess, and base 1 is hollow columnar structure, and roof 2 rotates to be connected in base 1's top recess, and consequently roof 2 also is circular structure, and when incomplete gear drive first supporting shaft 3 made intermittent type rotary motion, roof 2 also made intermittent type rotary motion in the recess along with first supporting shaft 3.

The incomplete gear mechanism comprises a first motor 9 arranged in a base 1, an output shaft of the first motor 9 is vertically upward and is connected with a driving gear 10, a driven gear 11 meshed with the driving gear 10 is further arranged in the base 1, a second supporting shaft 12 used for supporting the driven gear 11 to rotate is further arranged at the bottom in the base 1, the lower end of the first supporting shaft 3 is fixedly connected with the upper end face of the driven gear 11, and the first motor 9 is connected with a controller 8; when the first motor 9 rotates, the first motor 9 drives the driving gear 10 of the incomplete gear mechanism to rotate, when the driving gear 10 rotates, the driven gear 11 meshed with the driving gear rotates intermittently, and after the rotating speed of the driving gear 10 is adjusted, the driven gear 11 can drive the first supporting shaft 3 and the top plate 2 to rotate intermittently.

Example 2

Further, on the basis of embodiment 1, as shown in fig. 4, each telescopic rod 4 includes a hollow round rod 13 disposed on the upper surface of the top plate 2, a second motor 14 is disposed on the inner bottom surface of the hollow round rod 13, an output shaft of the second motor 14 is vertically upward and connected with a lead screw 15, an upward connecting rod 16 is connected to the lead screw 15 by a thread, the top end of the connecting rod 16 is fixedly connected with the bottom surface of the iron sheet 5, and the second motor 14 is connected with the controller 8; when the second motor 14 starts to rotate, the second motor 14 drives the screw rod 15 to start to rotate, and the screw rod 15 is in threaded connection with the connecting rod, so that when the screw rod 15 rotates, the connecting rod 16 can do up-and-down telescopic motion.

The utility model discloses a mathematical modeling simulation presentation device is when using, the mathematical model that will demonstrate is placed in the middle of 4 iron sheets 5, when placing mathematical model in the middle of 4 iron sheets 5, can carry out position fixing to mathematical model through four magnetism right angle dogs 6, specific way is after placing mathematical model's position, adjust four sections magnetism right angle dogs 6's position according to mathematical model's concrete size, after fixing mathematical model's position, open light 17 through controller 8, throw light on the model that needs to demonstrate; when the mathematical model needs to be placed obliquely, two telescopic rods 4 are adjusted to enable the model to be inclined towards one direction, and the right-angle stop block 6 can prevent the model from slipping; and finally, the controller 8 controls the first motor 9 to drive the driving gear 10 of the incomplete gear mechanism to rotate, when the driving gear 10 rotates, the driving gear 11 meshed with the driving gear can intermittently rotate, and after the rotating speed of the driving gear 10 is adjusted, the driven gear 11 can drive the first supporting shaft 3 and the top plate 2 to intermittently rotate, so that the omnibearing demonstration of the model can be realized.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereto, and any person skilled in the art can obviously obtain simple changes or equivalent replacements of the technical solutions within the technical scope of the present invention.

Claims

1. A mathematical modeling simulation demonstration apparatus, comprising:

the base (1) is of a hollow columnar structure with an opening at the top, the top of the base (1) is rotatably connected with a top plate (2), and the bottom surface of the top plate (2) is fixedly connected with a first supporting shaft (3);

the incomplete gear mechanism is arranged in the base (1) and is connected with the lower end of the first support shaft (3) so as to drive the top plate (2) to do intermittent motion;

the four telescopic rods (4) are distributed on the upper surface of the top plate (2) in a rectangular mode, a horizontal iron sheet (5) is arranged at the top of each telescopic rod (4), a magnetic right-angle stop block (6) is arranged on the upper surface of each iron sheet (5), each magnetic right-angle stop block (6) comprises two magnetic sheets (7) which are perpendicular to each other, and openings of the magnetic right-angle stop blocks (6) on the four iron sheets (5) are arranged towards the centers of the four iron sheets (5);

and the controller (8) is arranged on the upper surface of the top plate (2), and is connected with the incomplete gear mechanism.

2. A mathematical modelling simulation demonstration apparatus according to claim 1 wherein said base (1) is provided with an annular recess in the inside of the top thereof, said top plate (2) being pivotally connected within said recess.

3. The mathematical modeling simulation demonstration device according to claim 2, wherein the incomplete gear mechanism comprises a first motor (9) installed in the base (1), an output shaft of the first motor (9) is vertically upward and connected with a driving gear (10), a driven gear (11) engaged with the driving gear (10) is further arranged in the base (1), a second supporting shaft (12) used for supporting the driven gear (11) to rotate is further arranged at the bottom in the base (1), the lower end of the first supporting shaft (3) is fixedly connected with the upper end face of the driven gear (11), and the first motor (9) is connected with the controller (8).

4. The mathematical modeling simulation demonstration device according to claim 1, wherein each telescopic rod (4) comprises a hollow round rod (13) arranged on the upper surface of the top plate (2), a second motor (14) is arranged on the inner bottom surface of the hollow round rod (13), the output shaft of the second motor (14) is vertically upward and is connected with a screw rod (15), an upward connecting rod (16) is connected to the screw rod (15) in a threaded manner, the top end of the connecting rod (16) is fixedly connected with the bottom surface of the iron sheet (5), and the second motor (14) is connected with the controller (8).

5. A mathematical modelling simulation demonstration apparatus according to claim 1 wherein said top plate (2) is further provided with a vertical rod (18) on the upper surface thereof, said vertical rod (18) is provided with a light (17), and the switch of said light (17) is connected to said controller (8).