Device for drilling and coring lunar soil in moon outside hole

Abstract

The invention relates to a device for drilling and coring lunar soil in the moon outside a hole, and belongs to the field of equipments for sampling loose lunar soil in the moon. A screw rod drill bit of the device is a solid drill bit, a drill bit blade is arranged on the circumferential surface of the lower part of the screw rod drill bit, a bearing is mounted at the upper part of the screw rod drill bit in a matching manner, and a connection sleeve is fixedly connected with the bearing; a collector is a hollow sleeve, an annular empty inclined plane is arranged inside the collector, a lower port of the collector is connected with a coring tube orifice in a matching manner, an upper port of the collector is connected with the connection sleeve in a matching manner to be sleeved on the periphery of the screw rod drill bit, and a sand guide mouth is formed at the bottom part of the collector and is connected with a core filling hose; therefore, the loose sand rises to a certain height along with the drilling of the drill bit to enter the collector, and the sand can flow into the core holding hose outside the hole through the sand guide mouth of the collector under the action of gravity force and centrifugal force. The device creatively solves the difficult problem that the loose lunar soil in the moon is drilled under the unattended operation conditions, efficiently and conveniently finishes the core package and transfer of moon lunar soil drilling and coring, and particularly provides feasible excellent equipment for the lunar exploration geology research.

Description

technical field [0001] The invention relates to a lunar soil core-taking device outside a drilling hole, belonging to the field of lunar loose lunar soil sampling equipment. Background technique [0002] At present, the known lunar soil drilling and coring device is composed of a coring bit, a core pipe and a clamping core. The inner diameter of the drill bit enters it, and a core tube is installed above the drill bit, and then the core tube that enters the core tube is locked in the core tube by a core clamping device, and the core is raised from the ground to obtain the core tube. This kind of device needs to lift the whole core tube out of the hole, which causes great difficulties for the packaging and transfer of the core under the condition of unmanned operation on the moon. Yan Taining et al. in "Geological Science and Technology Information", VOL.23, NO.4, P12-14 described in the drill bit body and core tube with external helix, which belongs to this category. Cont...

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Problems solved by technology

This kind of device must lift the whole core tube out of the hole, which makes the packaging

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