A load analyzer with a worm gear loading mechanism and its application method
A technology of loading mechanism and worm gear, applied in the field of load analyzer, can solve problems such as difficult for learners to understand, inability to demonstrate intuitively, etc., and achieve the effect of simple structure
Inactive Publication Date: 2016-11-02
FUJIAN AGRI & FORESTRY UNIV
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Problems solved by technology
However, due to the small amount of deformation of the bolt after the load is applied, and this part of theoretical knowledge is relatively abstract, it is difficult for learners to understand
The existing teaching instruments for tightening bolted joints have not been able to visually demonstrate the entire change process from applying pretightening force to applying load
Method used
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Embodiment 1
[0039] Embodiment one: if Figure 1~4As shown, a load analyzer with a worm and gear loading mechanism includes a base plate 17, columns 9 are respectively fixed on both sides of the base plate 17, and a fixed plate 8 is connected to the top of the column 9, and the top of the base plate 17 is arranged There is a connected plate 13 fixed on the column, above the connected plate 13 is provided with an upper top plate 10 which is sleeved on the column and can move up and down along the column, between the connected plate 13 and the upper top plate 10 is provided with Symmetrically installed upper and lower connected parts 22, 23. The upper and lower connected parts 22, 23 all include an outer box body and an inner part that is sleeved in the outer box body and can move up and down along the outer box body cavity. Springs are also sandwiched between the outer boxes; bolts are also included, and the bolts pass through the connected plate 13, the upper and lower connected parts 22, ...
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The invention relates to a load analyzer with a worm and gear loading mechanism and an operation method of the load analyzer. The load analyzer with the worm and gear loading mechanism is that a spring is used and replaces a bolt or a connected part for axial loading experiment analysis; the replacement and amplification method is conducted by replacing the connected part with a small-stiffness-factor spring to bear the pressure and replacing the bolt with a large-deformation spring, the micro deformation of the loaded bolt in the prior art is amplified, and the worm and gear transmission and lifting mechanisms are combined in design to form the loading mechanism, thus reaching the purpose of applying load. The load analyzer with the worm and gear loading mechanism is of simplicity of structure, the experimental phenomena are obvious, and students can understand the textbook knowledge quickly.
Description
technical field [0001] The invention relates to a load analyzer with a worm gear loading mechanism and a using method thereof. Background technique [0002] Bolt connection is the most basic structural form of fastener connection, and tight bolt connection is the most common and widely used in modern industry. How to understand and master the knowledge of the whole dynamic process of the axial loading of the tight bolt connection is of great significance to better design and use bolts. However, due to the small amount of deformation of the bolt after the load is applied, and the theoretical knowledge of this part is relatively abstract, it is difficult for learners to understand. None of the existing teaching instruments for tightening bolted joints can visually demonstrate the entire change process from applying pretightening force to applying load. Contents of the invention [0003] The present invention makes improvements to the problems existing in the above-mentione...
Claims
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IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 张翔罗龙和钟寿洋
Owner FUJIAN AGRI & FORESTRY UNIV