Mathematics teaching auxiliary device and operation method
A teaching aid and mathematics technology, which can be used in anti-slip devices, non-circular curve plotters, printing, etc., to solve the problems of delaying lecture time, inability to draw accurately, and affecting the effect of lectures.
Active Publication Date: 2022-02-25
HARBIN UNIV
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AI Technical Summary
Problems solved by technology
[0002]
In the field of mathematics teaching, drawing is a basic content, especially the drawing of ellipses and circles, which is time-consuming and laborious, and cannot be drawn accurately, so it will delay the time of lectures and affect the effect of lectures. Therefore, a convenient, Fast, precise, multipurpose drawing tool
Method used
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[0022] Below according to accompanying drawing and embodiment the present invention will be described in further detail:
[0023]A mathematics teaching auxiliary device and operation method, including a turntable 01, a dial 11, a guide groove 13, a handle 16, a fixed claw 17, a suction cup 18, a guide disk 02, a cross slide bracket 21, a cross slide groove 22, and a slider 24 , connecting block 03, connecting shaft 34, positioning block 35, extension spring 38, rack 04, upper scale 43, lower scale 44, center wheel 45, scale 05, linear scale 51, connecting cap 06, clamping seat 64, The clamping piece 07, the lower part of the turntable 01 has a dial 11, and the circumferential direction of the dial 11 has a circumferential scale 12, the upper part of the turntable 01 has a countersunk seat 14, and the upper end of the countersunk seat 14 has four cards 15, and the cards 15 are evenly arranged on the sinker. In the circumferential direction of the head seat 14, the upper part of...
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The invention discloses a mathematics teaching auxiliary device and an operation method. The mathematics teaching auxiliary device comprises a rotating disc and a dial, the dial is arranged on the lower portion of the rotating disc, circumferential scales are arranged in the circumferential direction of the dial, a countersunk seat is arranged on the upper portion of the rotating disc, four clamping pieces are arranged on the upper end face of the countersunk seat, the clamping pieces are evenly arranged in the circumferential direction of the countersunk seat, handles are arranged on the upper portions of the clamping pieces, a guide disc is arranged in the countersunk seat, the guide disc is in rotating connection with the countersunk seat, the lower end face of the guide disc is placed on the upper portion of the bottom end face of the countersunk seat, the upper end face of the guide disc is clamped on the lower portion of the clamping piece, the countersunk seat rotates around the guide disc, a guide groove is formed in the middle of the rotary disc, a cross-shaped sliding support is arranged in the middle of the guide disc, a cross-shaped sliding groove is formed in the middle of the cross-shaped sliding support, and a center hole is formed in the middle of the cross-shaped sliding groove. Two sliding blocks are arranged in the cross-shaped sliding groove, the two sliding blocks are arranged in sliding ways in the two directions of the cross-shaped sliding groove respectively, the sliding blocks slide in the middle of the cross-shaped sliding groove, and a sliding block shaft is arranged in the middle of each sliding block.
Description
technical field [0001] The invention relates to the field of teaching aids, in particular to a mathematics teaching auxiliary device and an operation method. Background technique [0002] In the field of mathematics teaching, drawing is a basic content, especially the drawing of ellipses and circles, which is time-consuming and laborious, and cannot be drawn accurately, so it will delay the time of lectures and affect the effect of lectures. Therefore, a convenient, Fast, precise and versatile drawing tool. Contents of the invention [0003] The present invention aims at the above-mentioned deficiencies in the prior art, and provides a convenient, fast and multi-purpose mathematics teaching auxiliary device and operation method. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A mathematics teaching auxiliary device and operation method, comprising a turntable, a dial, a guide groove, a handle, a fixed claw, ...
Claims
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IPC IPC(8): B43L13/00B43L9/02B43L9/24B43L11/05B43L11/055B43L12/00
CPCB43L13/001B43L9/02B43L9/24B43L11/05B43L11/055B43L12/00
Inventor 张俊超王君
Owner HARBIN UNIV