Experimental device for self-adaption structure teaching

An experimental device and self-adaptive technology, applied in the field of teaching instruments, can solve the problems of complex operation and high price, and achieve the effect of simple operation, simple and convenient installation, and cultivation of hands-on ability.

Active Publication Date: 2013-12-18
NANJING UNIV OF TECH
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AI-Extracted Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an experimental device for self-adaptive structure tea...
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Abstract

The invention discloses an experimental device for self-adaption structure teaching. The experimental device for self-adaption structure teaching comprises a frame, an outer frame body, an inner frame body, a rope and pulleys. A weight balancing iron block is arranged on the outer frame body, then, the counter weight of the inner frame body is changed, and therefore the outer frame body and the inner frame body can always achieve a balance in different positions. Due to the fact that the counter weight of the outer frame body has a certain value, if the friction force of the pulleys is not taken into consideration, the tensile force of the rope also has a certain value, namely, the system is kept balanced by changing the shape instead of force, and self-regulation and self-protection is achieved through the structural system. When the load increases, the shape of the structure can be greatly changed while the internal force is basically kept unchanged. According to the experimental device, students can visually know the features of the self-adaption structure by conducting loading to observe the change condition of the system along with the change of the load, the leaning interest of the students is motivated, and the students explore the principle. The experimental device is easy and convenient to install, and the manipulative ability of the students can be trained.

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  • Experimental device for self-adaption structure teaching

Examples

  • Experimental program(1)

Example Embodiment

[0012] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0013] figure 1 Shows the structure of the experimental device for adaptive structure teaching provided by the embodiment of the present invention. For ease of description, only parts related to the present invention are shown.
[0014] The experimental device for adaptive structure teaching according to the embodiment of the present invention includes: a frame, an outer frame, an inner frame, a rope, and a pulley;
[0015] The frame is set on the outermost side of the experimental device, the outer frame is set on the bottom of the frame, the inner frame is set on the top of the frame, the outer frame is connected to the inner frame, the pulley is set above the frame, and the rope is set on the pulley.
[0016] As an optimized solution of the embodiment of the present invention, the pulley provides a pulley groove arranged above the frame.
[0017] As an optimized solution of the embodiment of the present invention, the outer frame provides ropes on pulleys to connect the inner frame.
[0018] The application principle of the present invention will be further described below with reference to the drawings and specific embodiments.
[0019] Such as figure 1 As shown, the experimental device for adaptive structure teaching in the embodiment of the present invention is mainly composed of a frame 1, an outer frame 4, an inner frame 5, a rope 3, and a pulley 2; the upper position of the frame 1 is provided with a pulley groove, and the pulley groove is installed Pulleys, the frame 1 is provided with an inner frame 5 and an outer frame 4, and the rope 3 is respectively connected with the inner frame 5 and the outer frame 4 through the pulley 2 to form a fixed pulley system;
[0020] The working principle of the present invention:
[0021] Such as figure 1 As shown, in the experiment, first place a counterweight iron block on the outer frame 4, and then change the counterweight of the inner frame 5. The outer frame 4 and the inner frame 5 can always be balanced at different positions, because the outer frame has a certain value If the friction of the pulley 3 is not considered, the pulling force of the rope 3 is also a fixed value, that is, the system does not change the force, but changes the shape to maintain balance.
[0022] The invention has simple structure, convenient operation, low production cost, and provides a tool with high cost performance for teaching.
[0023] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be included in the protection of the present invention. Within range.
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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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