CN217588288U

CN217588288U - Paraboloid demonstration teaching aid for college mathematics teaching

Info

Publication number: CN217588288U
Application number: CN202220503338.9U
Authority: CN
Inventors: 申红莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-10-14
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a parabolic demonstration teaching aid based on university's mathematical education is used, concretely relates to teaching aid field, including a supporting bench, top one side fixedly connected with controller of a supporting bench, the top of a supporting bench is positive to be provided with the carousel, the positive first hydraulic rod of fixedly connected with in top of carousel, the top bilateral symmetry of first hydraulic rod is provided with parabolic panel, is provided with angle adjusting mechanism between first hydraulic rod and the parabolic panel. The utility model discloses at first can drive the lifter plate through starting the second hydraulic pressure push rod and bring for you from top to bottom to it is rotatory through driving the gear, can adjust the radian of parabolic panel, convenient demonstration is used, is convenient for understand, improves teaching efficiency, simultaneously through the limiting plate that sets up, plays spacing effect, prevents lifter plate and gear separation, influences the result of use, and through the first supporting block that sets up, plays joint support's effect, improves the stability of parabolic panel.

Description

Paraboloid demonstration teaching aid for college mathematics teaching

Technical Field

The utility model relates to a teaching aid technical field, more specifically says, the utility model relates to a parabolic demonstration teaching aid based on college mathematics teaching usefulness.

Background

The paraboloid is one of quadric surfaces, and the paraboloid has two types: elliptic paraboloid and hyperbolic paraboloid, in college's mathematical education, the teacher often need write a large amount of characters on demonstration teaching aids such as blackboard (or blank etc.), in order to assist the teaching, let the student understand the content of teacher's teaching more clearly, to parabolic relevant knowledge point, because parabolic relative abstraction, the description of straight white, hardly let each classmate can both be clear understand parabolic concrete shape, traditional mode utilizes the steel wire to rotate carries out parabolic simple demonstration, be unfavorable for the student to parabolic understanding, and bring the inconvenience for the teaching.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a parabolic demonstration teaching aid based on university's mathematical education is used, through the carousel that sets up and the cooperation of first hydraulic push rod, angle adjustment mechanism isotructure, can conveniently adjust parabolic panel's angle and height to the paraboloid of multiple different radians is demonstrateed in the show, improves the demonstration effect, makes things convenient for the classmate to watch, and the student of being convenient for understands, improves teaching efficiency, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a paraboloid demonstration teaching aid for university mathematics teaching comprises a supporting table, wherein a controller is fixedly connected to one side of the top of the supporting table, a turntable is arranged in the center of the top of the supporting table, a first hydraulic push rod is fixedly connected to the center of the top of the turntable, parabolic panels are symmetrically arranged on two sides of the top end of the first hydraulic push rod, and an angle adjusting mechanism is arranged between the first hydraulic push rod and the parabolic panels;

the angle adjusting mechanism comprises a supporting plate, the supporting plate is fixed to the top end of the first hydraulic push rod, a second hydraulic push rod is arranged inside the top end of the first hydraulic push rod, a lifting plate is fixedly connected to the top end of the second hydraulic push rod, a limiting plate is fixedly connected to the top end of the lifting plate, a fixing shaft is inserted into the opposite end of the parabolic plate, a first supporting block is fixedly connected to the two ends of the fixing shaft, and a gear is fixedly arranged in the middle of the fixing shaft in a fixing mode.

In a preferred embodiment, two parabolic plates are respectively arranged on two sides of the lifting plate, the position of the lifting plate corresponds to the position of the gear, the wall bodies on two sides of the lifting plate are respectively provided with teeth, the wall body of the lifting plate is meshed with the wall body of the gear, the bottom wall body of the first supporting block is fixedly connected with the top wall body of the supporting plate, the cross section of each parabolic plate is shaped like an arc, the middle part of the supporting table is provided with a driving motor, and the output end of the driving motor is fixedly connected with the bottom wall body of the rotary table.

In a preferred embodiment, a limiting ring is fixedly connected to the bottom of the turntable, a limiting groove is formed in the center of the top of the supporting table, second supporting blocks are symmetrically and fixedly connected to the periphery of the bottom of the supporting table, the position of the limiting ring corresponds to the position of the limiting groove, the cross section of the limiting ring is in an L shape, and the shape of an inner cavity of the limiting groove is matched with that of the limiting ring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses at first can drive the lifter plate through starting second hydraulic push rod and need bring you from top to bottom to rotate through driving the gear, can adjust parabolic panel's radian, convenient demonstration use, and the understanding of being convenient for improves teaching efficiency, simultaneously through the limiting plate that sets up, play spacing effect, prevent lifter plate and gear separation, influence the result of use, and through the first supporting block that sets up, play the effect of connection support, improve parabolic panel's stability, and can adjust parabolic panel's height through the first hydraulic push rod that sets up, make things convenient for more classmates to use, improve and watch efficiency;

2. the utility model can drive the rotary disc to rotate by starting the driving motor, thereby driving the parabolic panel to rotate in sequence, facilitating the display, enabling students to observe in all directions, improving the teaching quality, facilitating the understanding of students, and improving the stability of the rotation of the rotary disc and facilitating the use by matching the arranged limit groove and the limit ring;

to sum up, through the above-mentioned interact of a plurality of effects, can conveniently adjust parabolic panel's angle and height to the paraboloid of multiple different radians of show improves the demonstration effect, and convenient classmates watch, the student of being convenient for understands, improves teaching efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a partial enlarged structure at a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the cross-section structure of the turntable and the spacing ring of the present invention.

Fig. 4 is a schematic structural view of the parabolic plate and the lifting plate of the present invention.

The reference signs are: 1. a support table; 2. a controller; 3. a turntable; 4. a first hydraulic push rod; 5. a parabolic panel; 6. a support plate; 7. a second hydraulic push rod; 8. a lifting plate; 9. a limiting plate; 10. a fixed shaft; 11. a first support block; 12. a gear; 13. a limiting groove; 14. a limiting ring; 15. a drive motor; 16. a second support block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The paraboloid demonstration teaching aid based on the university mathematics teaching shown in the attached figures 1-4 comprises a supporting table 1, wherein one side of the top of the supporting table 1 is fixedly connected with a controller 2, a turntable 3 is arranged in the center of the top of the supporting table 1, a first hydraulic push rod 4 is fixedly connected in the center of the top of the turntable 3, parabolic panels 5 are symmetrically arranged on two sides of the top end of the first hydraulic push rod 4, and an angle adjusting mechanism is arranged between the first hydraulic push rod 4 and the parabolic panels 5;

the angle adjusting mechanism comprises a supporting plate 6, the supporting plate 6 is fixed on the top end of the first hydraulic push rod 4, a second hydraulic push rod 7 is arranged inside the top end of the first hydraulic push rod 4, a lifting plate 8 is fixedly connected to the top end of the second hydraulic push rod 7, a limiting plate 9 is fixedly connected to the top end of the lifting plate 8, a fixing shaft 10 is inserted into one end of the two parabolic plates 5, a first supporting block 11 is fixedly connected to the two ends of the fixing shaft 10, and a gear 12 is fixedly arranged in the middle of the fixing shaft 10.

As shown in the accompanying drawings 1, 2 and 4, two parabolic panels 5 set up respectively in the both sides of lifter plate 8, the position of lifter plate 8 is corresponding with the position of gear 12, the both sides wall body of lifter plate 8 all is provided with the tooth, the wall body of lifter plate 8 meshes with the wall body of gear 12 mutually, the bottom wall body of first supporting block 11 and the top wall body fixed connection of backup pad 6, parabolic panel 5's cross-sectional shape sets up to the arc, the middle part of backup pad 1 is provided with driving motor 15, driving motor 15's output and the bottom wall body fixed connection of carousel 3, so that can drive lifter plate 8 through starting second hydraulic push rod 7 about will bring for you, thereby it is rotatory through driving gear 12, can adjust parabolic panel 5's radian, the convenience is demonstrated and is used, the understanding is convenient, simultaneously through the limiting plate 9 that sets up, play spacing effect, prevent lifter plate 8 and gear 12 separation, influence the result of use, and through the first supporting block 11 that sets up, play the joint support's effect, improve parabolic panel 5's stability, and can adjust parabolic panel's 5 height through the first hydraulic push rod 4 that sets up, the convenience is used.

As shown in the accompanying drawings 1 and 3, the bottom fixedly connected with spacing ring 14 of carousel 3, spacing groove 13 has been seted up at the top centre of brace table 1, the bottom of brace table 1 is symmetrical fixedly connected with second supporting shoe 16 all around, the position of spacing ring 14 is corresponding with the position of spacing groove 13, the cross sectional shape of spacing ring 14 sets up to "L" shape, the inner chamber shape and the spacing ring 14 looks adaptation of spacing groove 13, so that can drive carousel 3 rotatory through starting driving motor 15, thereby drive parabolic panel 5 in proper order and rotate, convenient show, make the student can all-round observation, improve the teaching quality, make things convenient for the student to understand, simultaneously through the cooperation of the spacing groove 13 and the spacing ring 14 that set up, can improve carousel 3 pivoted stability, facilitate the use.

The utility model discloses the theory of operation: when the device is used, the controller 2 is only needed to control the second hydraulic push rod 7 to start, so that the lifting plate 8 is driven to move up and down, the fixed shaft 10 can be driven to rotate through the gear 12, the parabolic panel 5 rotates by taking the fixed shaft 10 as an axis, the angle of the parabolic panel 5 is changed, and after an angle is fixed, the driving motor 15 is started to drive the rotary disc 3 to rotate, so that the limit ring 14 rotates in the limit groove 13, and the rotating stability of the rotary disc 3 is improved;

then according to student's viewing position height, can start first hydraulic rod 4 and drive backup pad 6 and reciprocate to adjust parabolic panel 5's height, make things convenient for the student to observe, improve the demonstration effect, the student of being convenient for understands, and then improves the quality of teaching.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a parabolic demonstration teaching aid based on university's mathematics teaching usefulness, includes brace table (1), its characterized in that: a controller (2) is fixedly connected to one side of the top of the supporting table (1), a turntable (3) is arranged in the center of the top of the supporting table (1), a first hydraulic push rod (4) is fixedly connected to the center of the top of the turntable (3), parabolic panels (5) are symmetrically arranged on two sides of the top end of the first hydraulic push rod (4), and an angle adjusting mechanism is arranged between the first hydraulic push rod (4) and the parabolic panels (5);

angle adjustment mechanism includes backup pad (6), the top at first hydraulic rod (4) is fixed in backup pad (6), the inside second hydraulic rod (7) that is provided with in top of first hydraulic rod (4), top fixedly connected with lifter plate (8) of second hydraulic rod (7), top fixedly connected with limiting plate (9) of lifter plate (8), two parabolic panel (5) relative one end is inserted and is equipped with fixed axle (10), the first supporting block (11) of both ends fixedly connected with of fixed axle (10), the middle part fixed cover of fixed axle (10) is equipped with gear (12).

2. The paraboloid demonstration teaching aid for college mathematics teaching of claim 1, wherein: the two parabolic panels (5) are respectively arranged on two sides of the lifting plate (8), and the position of the lifting plate (8) corresponds to the position of the gear (12).

3. The paraboloid demonstration teaching aid for college mathematics teaching of claim 1, wherein: the wall bodies on two sides of the lifting plate (8) are provided with teeth, and the wall body of the lifting plate (8) is meshed with the wall body of the gear (12).

4. The paraboloidal demonstration teaching aid for university mathematics teaching according to claim 1, wherein: the bottom wall body of the first supporting block (11) is fixedly connected with the top wall body of the supporting plate (6), and the cross section of the parabolic plate (5) is arc-shaped.

5. The paraboloid demonstration teaching aid for college mathematics teaching of claim 1, wherein: the middle part of the supporting table (1) is provided with a driving motor (15), and the output end of the driving motor (15) is fixedly connected with the bottom wall body of the turntable (3).

6. The paraboloid demonstration teaching aid for college mathematics teaching of claim 1, wherein: the bottom fixedly connected with spacing ring (14) of carousel (3), spacing groove (13) have been seted up to the top centre of brace table (1), the bottom of brace table (1) is symmetry fixedly connected with second supporting shoe (16) all around.

7. The paraboloid demonstration teaching aid for college mathematics teaching of claim 6, wherein: the position of the limiting ring (14) corresponds to the position of the limiting groove (13), the cross section of the limiting ring (14) is L-shaped, and the shape of the inner cavity of the limiting groove (13) is matched with that of the limiting ring (14).