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Lunar-based large-depth fidelity coring drilling device

A large-depth, coring bit technology, applied in the direction of sampling devices, etc., can solve the problem that moon-based coring cannot achieve large-depth and fidelity coring, and achieve the effect of improving drilling efficiency and stability

Pending Publication Date: 2020-11-27
SHENZHEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above technical problems, the purpose of the present invention is to provide a lunar-based large-depth fidelity coring drilling device, which aims to solve the technical problem that the existing lunar-based coring cannot achieve large-depth fidelity coring, and can The drill bit exerts a drilling pressure sufficient to penetrate the lunar rock layer, and then overcomes the technical problem that the low-gravity environment of the moon makes it difficult for the drilling device to apply downward drilling pressure to the lunar layer, so as to drill deep lunar rocks, and then achieve large depth fidelity. core

Method used

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Examples

Experimental program
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Embodiment 1

[0043] This embodiment is basically as Figure 1 to Figure 10 As shown: this embodiment provides a moon-based large-depth fidelity coring drilling device to solve the technical problem of "not getting deep" in the existing moon-based coring. The drilling device includes a controller 15, a coring device Outer pipe 7 and the coring bit 1 that is positioned at the coring device outer pipe 7 below; Be provided with drilling mechanism in the coring device outer pipe 7, drilling mechanism comprises push rod 19 and rotating mechanism, and push rod 19 and rotating mechanism respectively Connected with the controller 15, the rotating mechanism is used to apply torque to the coring bit 1, and the push rod 19 is used to apply axial drilling pressure to the coring bit 1, so as to ensure the rapid drilling of the coring bit 1; preferably, the controller 15 can be built into the inner side of the core remover outer tube 7 top, which is convenient to be close to the drilling mechanism, so th...

Embodiment 2

[0050] Embodiment 2 is basically the same as Embodiment 1, the difference is that this embodiment provides a moon-based large-depth fidelity core drilling device, as a preferred solution of Embodiment 1, combined with figure 2 and image 3 As shown, in this embodiment, a follow-up mechanism is provided between the drilling mechanism and the coring bit 1, so that during the coring process, the follow-up liquid b built in the outer tube 7 of the coring device will be It is discharged into the shaft; with the above structure, the protective liquid b is used in moon-based coring, and the protective liquid b can penetrate into the surrounding rock formations, and the solvent in the protective liquid b can be evaporated quickly through the vacuum action, and the heat can be taken away On the one hand, the evaporation of the solvent takes away a large amount of heat, which makes the core bit 1 cool down in real time, which is beneficial to the long-term use of the core bit 1 and ens...

Embodiment 3

[0059] Embodiment 3 is basically the same as Embodiment 1, the difference is that this embodiment provides a moon-based large-depth fidelity core drilling device, as the preferred solution of Embodiment 1, combined with Figure 6 to Figure 10 As shown, in order to solve the technical problem of "not true" in the existing month-based coring, the key of this embodiment is that a coring inner cylinder 5 is arranged in the coring bit 1, and a bearing is connected to the top of the coring inner cylinder 5 6. A core sealer 2 is provided at the bottom of the coring inner cylinder 5, and a self-healing viscoelastic body a is provided in the coring inner cylinder 5, so that during the coring process, the self-healing viscoelastic body a can Move along the annular gap between the coring inner cylinder 5 and the core 18 to cover the surface of the core 18 to be drilled.

[0060] Therefore, the realization principle of the basic scheme of this embodiment is: to propose the application of ...

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Abstract

The invention discloses a lunar-based large-depth fidelity coring drilling device, and relates to the technical field of lunar exploration and drilling. The coring device comprises a controller, a coring device outer pipe and a coring drill bit located below the coring device outer pipe, wherein a drilling mechanism is arranged in the coring device outer pipe, and the drilling mechanism comprisesa push rod and a rotating mechanism which are connected with the controller and is used for applying torque and axial bit pressure to the coring drill bit; an inflating mechanism fixedly connected with the coring device outer pipe is arranged at the upper part of the coring device outer pipe; and the inflating mechanism is connected with the controller, so that in the coring process, the controller can control the inflating mechanism to expand in the radial direction of the coring device outer pipe to extrude the well wall, and the coring device outer pipe is centered in the radial direction and fixed in the axial direction through friction force between the inflating mechanism and the well wall. By implementing the technical scheme, the technical problem that existing lunar-based coring cannot achieve large-depth fidelity coring is solved, bit pressure sufficient to penetrate into a lunar rock layer can be applied to the coring drill bit, deep lunar rock is drilled, and large-depth fidelity coring is achieved.

Description

technical field [0001] The invention relates to the technical field of lunar exploration and drilling, in particular to a lunar-based large-depth fidelity core drilling device. Background technique [0002] Lunar drilling is of great strategic significance for human beings to study the material composition of the lunar surface, the origin of the moon, the earth's climate and water tidal phenomena, and future resources. However, the existing moon-based coring has the technical bottleneck of "not getting deep and not getting real"; the lithology of the lunar rock is loose, and the drilling rig is affected by loose particles during the drilling process. There are phenomena such as drill sticking and mechanical disturbance, which lead to the acquisition of samples The buried depth is shallow, and it is difficult to obtain deep samples. [0003] Therefore, according to the inventor of the present application, in the process of implementing the embodiment of the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/08
CPCG01N1/08
Inventor 高明忠谢和平刘涛赵治宇吴一凡朱亮宇蒋文川兰铖翟朔廖海龙
Owner SHENZHEN UNIV
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