Hand-held soil body density detection device

A detection device and compactness detection technology, applied in the direction of applying stable tension/pressure to test the strength of materials, etc., can solve the problems of complex principle, volume and self-heavy, high price of the detector, and achieve light weight, small size, The effect of easy operation

Inactive Publication Date: 2011-06-29
ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] The principle of the detector is relatively complicated. Although it has many functions, the corresponding price is relatively high, the volume and weight are relatively large, and the mass is about 10Kg. It is not suitable for use in the experimental environment.

Method used

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  • Hand-held soil body density detection device
  • Hand-held soil body density detection device
  • Hand-held soil body density detection device

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Embodiment Construction

[0028] The present invention will be described in further detail below through the accompanying drawings and specific examples, but they are not intended to limit the present invention.

[0029] Such as figure 1 As shown, a hand-held soil compactness detection device includes an outer cylinder 3 and a detection rod 8 arranged in the outer cylinder. A cover 1 is provided on the top of the outer cylinder 3, and a cover 1 is provided between the top of the detection rod 8 and the cover 1. first spring 2. The upper part of the detection rod 8 is provided with two mutually symmetrical limit pin grooves 11, each limit pin groove 11 is provided with a limit pin 10 outside, and the inside of the limit pin groove 11 is provided with a second spring 5 cooperating with the limit pin 10 , the second spring 5 makes the limit pin 10 press the inner wall of the outer cylinder 3, and the upper part of the outer cylinder 3 is symmetrically provided with two limit pin holes 4 that cooperate wi...

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PUM

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Abstract

The invention relates to a hand-held soil body density detection device, comprising an outer cylinder and a detection rod arranged in the outer cylinder, wherein a first spring is arranged between the top part of the detection rod and the outer cylinder; a limiting pin groove is arranged on the upper part of the detection rod; limiting pins are symmetrically arranged on the outer side of the limiting pin groove; a second spring matched with the limiting pin is arranged in the inner side of the limiting pin groove; the second spring presses a positioning pin against the internal wall of the outer cylinder; a limiting pin hole matched with the limiting pin is arranged on the upper part of the outer cylinder; and a contact probe with a scale is arranged at the bottom of the detection rod. The hand-held soil body density detection device is simple in structure, small in volume, light in weight, low in cost, easy to operate, and suitable for being applied to rock soil body stabilization and tunnel simulating tunneling experiments.

Description

technical field [0001] The invention relates to a device for rock and soil stability experiment research and tunnel simulation excavation experiment, in particular to a hand-held soil solid density detection device. Background technique [0002] At present, in the field of civil engineering, the soil compactness tester is widely used to detect the compactness of soil. This kind of instrument has a complex structure, generally including a casing, a beam, a load sensor, a transmission shaft, a detection rod, a touch probe, a data acquisition processor, a control display panel, a communication interface, and a power box; the working principle is complicated and fixed in the casing The bottom of the load sensor in the cavity is connected to the drive shaft, detection rod, and probe. When the probe is inserted into the rock and soil mass, the load sensor generates a signal change, which is sampled, amplified, calculated and displayed by the data acquisition processor, and transmi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
Inventor 杨建辉文献民
Owner ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
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