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A load analyzer with a screw loading mechanism and its application method

A technology of loading mechanism and analyzer, 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: 2017-01-11
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • A load analyzer with a screw loading mechanism and its application method
  • A load analyzer with a screw loading mechanism and its application method
  • A load analyzer with a screw loading mechanism and its application method

Examples

Experimental program
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Effect test

Embodiment 1

[0038] Embodiment one: if Figure 1~4As shown, a load analyzer with a screw loading mechanism includes a base plate 20, columns 9 are respectively fixed on both sides of the base plate 20, a fixed plate 8 is connected to the top of the column 9, and a fixed plate 8 is arranged above the base plate 20. There is a connected plate 23 fixed on the column. Above the connected plate 23, there is an upper top plate 10 that is sleeved on the column and can move up and down along the column. Between the connected plate 23 and the upper top plate 10, there is a Symmetrically installed upper and lower connected parts 24, 25. The upper and lower connected parts 24, 25 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. A spring is also sandwiched between the parts; it also includes bolts, and the bolts pass through the connected plate 23, the upper and lower connected parts 24, 25, and the upper to...

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Abstract

The invention relates to a load analysis meter with a screw rod loading mechanism and a use method thereof. According to the load analysis meter with the screw rod loading mechanism, a spring replaces a bolt or a connected part for axial loading experimental analysis, a substitution and magnification method is adopted, under the condition that the hooke law is met, a spring with a small stiffness coefficient replaces the connected part to be stressed, a spring with large deformation replaces a screw rod, tiny deformation of an original bolt stressed by load is magnified, screw drive and a rising mechanism are combined to form the loading mechanism, and therefore the purpose of applying loads is achieved. The load analysis meter is simple in structure, the experiment phenomenon is obvious, and students can quickly understand textbook knowledge.

Description

technical field [0001] The invention relates to a load analyzer with a screw rod 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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 张翔罗龙和钟寿洋许江长邱文杰杨思炜陈旭张林
Owner FUJIAN AGRI & FORESTRY UNIV