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Dynamic punching joint-cutting method

A dynamic and cutting technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve the effect of improving energy utilization, reducing energy damage, and reducing engineering construction costs

Active Publication Date: 2019-12-10
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing research on energy-shaping kerf in rock and soil mainly focuses on traditional methods such as energy-shaping kerf equipped with explosives on site, kerf bag, and energy-gathering tube. At present, there is no indoor research on various rock and soil. Research on double-sided energy-gathering kerf with dynamic impact

Method used

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  • Dynamic punching joint-cutting method
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  • Dynamic punching joint-cutting method

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Experimental program
Comparison scheme
Effect test

Embodiment

[0040] Such as figure 1 As shown, the embodiment designs the implementation method, and the steps are as follows:

[0041] (1) Deploy an external dynamic impact energy input system to provide an energy source as an impact device that generates kinetic energy.

[0042] The dynamic impact input system is designed to include an air compressor 16, a bullet controller 17, a high-pressure pipe 18, an air tank 21, a ball valve 22, a dynamic impact bullet 14, and a bullet barrel 15, wherein the dynamic impact bullet 14 is set in Inside the bullet barrel 15, the dynamic impact bullet 14 is cylindrical, with a diameter slightly smaller than that of the bullet barrel 15, made of carbon steel; the air storage tank 21 and the air compression system 16 are airtightly connected by a high-pressure pipe 18, and the air storage tank A ball valve 22 is welded between 21 and the bullet barrel 15; the air compression system 16 is connected and controlled by the bullet controller 17 (only shown in the ...

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PUM

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Abstract

The invention relates to a dynamic punching joint-cutting method, which is characterized in that a rock-soil body is rapidly and accurately cut with minimum energy accumulation, and the method comprises the following steps of: (1) arranging an external dynamic impact energy input system, providing an energy source, and serving as an impact device for generating kinetic energy, and driving the dynamic impact bullet 14 to impact the power impact incident rod 5 at a high speed to generate power impact energy; (2) erecting a force transmission model, wherein the force transmission model comprisesa dynamic impact incident rod 5, a rock-soil body sample 7 and a dynamic impact transmission rod from left to right according to a position relationship; (3) respectively arranging functional layers between the power impact incident rod 5, the rock-soil body sample 7 and the power impact transmission rod 6 which are erected in the step (2) and are sequentially adjacent to one another to form a progressive action mode; and (4) starting the dynamic impact system in the step (1), and carrying out joint cutting on the rock-soil body sample 7. The joint-cutting method has the advantages of being reliable and accurate in energy gathering performance.

Description

Technical field [0001] The invention belongs to the technical field of dynamic impact energy-accumulation and cutting of rock and soil. Background technique [0002] Any rock and soil body has its origin, geological environment and evolution process, so different rock and soil bodies have their unique characteristics. Especially the layered rock mass, which is a kind of rock mass that generally exists in deep resource mining. Due to the layered structure and the special environment of three highs and one disturbance, the deep engineering surrounding rock shows its unique mechanical characteristics: The large deformation of the rock and the brittleness-ductility transition of the deep rock mass result in obvious anisotropy of its deformation and strength characteristics, and its failure mechanism and mode are significantly different from those of the shallow rock. The existing research on energy-concentrated cutting of rock and soil mainly focuses on traditional methods such as e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/313G01N3/02
CPCG01N3/02G01N3/313
Inventor 邹宝平罗战友
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY