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A portable field rock sampling device and method

A rock sampling and field technology, applied in sampling devices and other directions, can solve the problems of poor quality and low efficiency of field core sampling, and achieve the effects of improving drilling efficiency, avoiding damage and being easy to operate.

Inactive Publication Date: 2019-06-07
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a portable field rock sampling device and method in order to solve the problems of poor quality and low efficiency of field core sampling

Method used

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  • A portable field rock sampling device and method
  • A portable field rock sampling device and method
  • A portable field rock sampling device and method

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Embodiment Construction

[0017] Such as figure 1 As shown, a portable field rock sampling device of the present invention is composed of a quick-connect barrel 1, an adjusting screw sleeve 2, an upper center bearing 3, a central tube 4, a slider 5, a ring cover 6, a push cylinder 7, a thrust bearing 8, Get coring claw 9, spring 10, righting tube 11, cone tube 12, down-adjusting center bearing 13 and core bit 14 to form; Its structural feature is: as figure 2 As shown, a ring groove is arranged on the upper part of the outer circle of the quick-connecting barrel 1, and a spline body is set on the lower part of the annular groove, the middle part of the outer circle of the quick-connecting barrel 1 is set as a male transmission screw, and three shafts are evenly arranged on the lower part of the quick-connecting barrel 1 in the circumferential direction. To the through groove, a circle of stepped surfaces is set in the middle of the inner cavity of the quick-connecting cylinder 1; the outer ring groove...

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Abstract

The invention relates to a portable outdoor rock sampling device and a portable outdoor rock sampling method which are used by a handheld drilling rig in outdoor geological sampling. The device solves the problems that the outdoor rock core sampling is poor in quality and low in efficiency. The technical scheme is that a central tube is placed in an inner cavity of a quickly connected cylinder, and an upper self-aligning bearing is installed on a step surface in the middle of the inner cavity of the quickly connected cylinder; a female drive screw of a regulating thread sleeve is meshed with a male drive screw of the quickly connected cylinder; three sliding blocks are respectively installed in three axial-direction straight slots at the lower part of the quickly connected cylinder; an upper end of a centralizing cylinder and a lower end of the quickly connected cylinder are in screwed connection, and a lower self-aligning bearing is installed on a bulged step at the lower end of an inner cavity of the centralizing cylinder; three cutting claws of a coring claw are respectively installed in three positioning grooves at the lower end of the central tube; and an upper end of a coring bit and a lower end of a conical cylinder are in screwed connection. The device can effectively drill into a rock stratum to form a rock core, the rock core can be quickly cut, the operation can be finished once, lifting up and laying down for many times are not required, the centralizing cylinder does not rotate, the friction with the stratum in the coring process can be effectively reduced, and the drilling efficiency is improved.

Description

technical field [0001] The invention relates to a portable field rock sampling device and method for use with a hand-held drilling rig in field geological sampling. It is mainly used as a small and portable sampling drilling device in mountains, areas with inconvenient transportation and energy sources, and realizes high-efficiency and high-quality rock core sampling. Background technique [0002] In the shallow sampling process, the handheld drilling rig has the characteristics of small size, light weight, high efficiency, simple operation, and convenient transportation. It can be widely used in geological survey mapping, geophysical blast holes, chemical exploration rock sampling, environmental and agricultural geological surveys Sampling, road foundation exploration and pavement quality inspection sampling and other construction operations. [0003] At present, the handheld drilling rig is mainly composed of a gasoline engine, a water supply system, a drill pipe, a conver...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 何江李柯马岚胡清雄赵忠军
Owner SOUTHWEST PETROLEUM UNIV
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