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Experimental device for basic principle of displacement method

A basic principle and experimental device technology, which is applied in the field of the basic principle experimental device of the displacement method, can solve problems such as difficulty in the learning process, difficulty in understanding and mastering concepts, and achieve the effect of deepening understanding and improving application ability

Pending Publication Date: 2021-08-13
HOHAI UNIV
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Problems solved by technology

[0002] The basic principle of the displacement method is the focus and difficulty in the teaching of structural mechanics. The method is abstract and the concept is difficult to understand and master. Students generally feel difficult in the learning process.

Method used

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  • Experimental device for basic principle of displacement method
  • Experimental device for basic principle of displacement method
  • Experimental device for basic principle of displacement method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0035] like figure 1 As shown, a basic principle experiment device of the displacement method includes: a first elastic rod 1, a second elastic rod 2, a third elastic rod 3, a rigid node 4, a corner locking device 5, a corner applying device 6, Angle measuring device 7 (dial indicator), loading device 8, load display device 9 (force display), first wire 10, first group of strain gauges 11, second group of strain gauges 12, third group of strain gauges 13, the first group of strain gauges Four groups of strain gauges 14, fifth group of strain gauges 15, second group of wires 16, third group of wires 17, fourth group of wires 18, fifth group of wires 19, sixth group of wires 20, fixed support 21,...

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Abstract

The invention discloses an experimental device for a basic principle of a displacement method. The left side of a rigid node is fixedly connected with one end of a first elastic rod piece, the right side of the rigid node is fixedly connected with one end of a second elastic rod piece, the lower side of the rigid node is fixedly connected with one end of a third elastic rod piece, the other end of the first elastic rod piece is fixedly connected to the left side of the interior of a frame, the other end of the second elastic rod piece is hinged to the right side of the interior of the frame, the other end of the third elastic rod piece is slidably connected with the lower side of the interior of the frame, and the rigid node is a rotatable node. The experimental device further comprises a rotation angle control device used for controlling the rotation angle of the rigid node; a load control device used for outputting a load to the second elastic rod piece; and a strain acquisition device used for acquiring strain magnitude. The advantages are that students' understanding of structural mechanics displacement method concepts and solving methods can be deepened, and the half-bridge self-compensation resistance strain test technology involved in the experiment process is also beneficial for improving the application capability of students on the electrical logging method.

Description

technical field [0001] The invention relates to an experimental device for the basic principle of a displacement method, belonging to the technical field of mechanical experimental devices. Background technique [0002] The basic principle of displacement method is the focus and difficulty of structural mechanics teaching. The method is abstract and the concept is difficult to understand and master. Students generally find it difficult in the learning process. How to enable students not only to complete the whole process of solving the displacement method by means of experiments, but also to intuitively see the influence of the constraints of different supports on the end forces of the rigid frame rods is an urgent problem to be solved at present. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an experimental device for the basic principle of the displacement method, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/10
CPCG09B23/10
Inventor 孙立国江守燕杨海霞杜成斌童舟林苏子玥曾泽昊杜乐王晓宇
Owner HOHAI UNIV
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