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Automatic rock sample fixing device for indoor rock core drilling machine

A coring machine and rock sample technology, applied in the direction of sampling devices, etc., can solve the problems of uncontrollable clamping force, damage to the rock to be processed, and cumbersome operation, so as to improve the success rate, improve work efficiency, and simplify the test steps. Effect

Inactive Publication Date: 2016-07-20
SUN YAT SEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The indoor rock coring machine is a key part of the rock sample preparation instrument, but the following problems are worthy of attention during the use of the existing coring machine: In the aspect of fixing the rock sample to be processed, it is usually fixed manually, and the operation is cumbersome , the efficiency is low, and the clamping force cannot be controlled at the same time. For some special weak rocks, excessive clamping force will destroy the rock to be processed

Method used

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  • Automatic rock sample fixing device for indoor rock core drilling machine
  • Automatic rock sample fixing device for indoor rock core drilling machine
  • Automatic rock sample fixing device for indoor rock core drilling machine

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Embodiment Construction

[0030] The invention is an automatic rock sample clamping device for indoor rock core machine. The function mainly relates to the automatic clamping and fixing of rock samples. It can be directly installed on existing rock core drilling rigs to realize the processing of rock samples. Automatic fixation, with the drill bit drive motor, lifting system, frame and foundation of the coring instrument, automatically complete the drilling of various soft and hard cores. The operation is as follows:

[0031] Place the rock sample in the center of the two V-shaped clamps, select the fixed rock sample on the control panel and input the clamping force. Driven by the motor, the screws of the two V-shaped clamps rotate synchronously to push the two clamps to move relative to each other until the rock sample is clamped. Tight: The clamping pressure is sensed by the pressure sensors installed on the two V-shaped clamps. When the clamping pressure increases to the set value, the motor is cut off...

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Abstract

The invention relates to an automatic rock sample fixing device for an indoor rock core drilling machine.The device is composed of a clamping chamber and a driving system.A pair of V-shaped clamps, pressure sensors and screw rods are arranged in the clamping chamber.The driving system composed of the pair of screw rods, a gear and the clamping chamber is used for driving the two V-shaped clamps to move, and a rock sample to be processed is fixed and loosened; the inner side of each V-shaped clamp is provided with one pressure sensor, and the pressure sensors are used for sensing clamping pressure and controlling rock sample controlling pressure and adapt to various soft and hard rock samples.The automatic rock sample fixing device can be installed on the existing indoor rock core drilling machine, and has the advantages of being simple in structure, convenient to operate and applicable to automatically fixing various soft and hard rock samples.According to the automatic rock sample fixing device, experiment steps can be simplified, the rock core drilling survival rate is improved to a certain degree, rock core preparation time is effectively saved, and working efficiency is improved.

Description

Technical field: [0001] The invention belongs to the development field of rock mechanics test instruments, and particularly relates to an automatic fixing rock sample device for an indoor rock core taking machine, which is suitable for automatic clamping and fixing of various soft and hard rock samples. Background technique: [0002] The development of rock coring instruments is one of the hot issues in the field of rock mechanics experimental research. The preparation of rock samples is the basis of indoor rock mechanics experiments. In terms of rock sample preparation instruments, a set of indoor rock sample preparation instruments has been formed, mainly including rock cutting, rock coring, and end face grinding instruments. Among them, the rock coring instrument is a key part. Therefore, the testers have developed a series of core drilling rigs and formed a relatively mature rock coring technology. However, there is still a problem worth paying attention to: In terms of fixi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 周翠英周逸红刘镇
Owner SUN YAT SEN UNIV
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