While-drilling lateral sampling mechanism based on curved surface unfolding mechanism

Abstract

The invention relates to a while-drilling lateral sampling mechanism based on a curved surface unfolding mechanism, the while-drilling lateral sampling mechanism comprises a fixing frame, a crank mechanism, a driving mechanism, a sample storage part and a sampling shovel, the driving mechanism and the sample storage part are respectively installed on the fixing frame, and the sampling shovel is of an arc-shaped structure; the sampling shovel is located on one side of the driving end of the driving mechanism and extends in the direction parallel to the axis of the driving end of the driving mechanism, the driving mechanism is connected with one end of the sampling shovel through a crank mechanism, and the sample storage part is located on the inner side of the sampling shovel. On the basis of the three-dimensional subdivision design principle of a cylindrical cambered surface and a curved surface of a drilling machine, two actions of digging and sealing are completed by using a single driving mechanism, so that the overall power consumption of a sampling system is greatly reduced, and the overall size of the mechanism is reduced.

Description

technical field [0001] The invention relates to the field of sampling-related technologies, in particular to a lateral sampling-while-drilling mechanism based on a curved surface unfolding mechanism. Background technique [0002] The exploration of the moon is the first step in human space exploration. The soil on the moon records the evolution history of the moon. The exploration of the moon can provide more technical support for human beings to further explore deep space. With the successful retrieval of lunar soil samples by the Chang'e-5 mission, higher requirements have been put forward for the exploration of the moon. The lunar soil in the deep part of the moon is less disturbed by external adverse factors such as cosmic rays. The recorded information is more complete and has more research value. Therefore, deep exploration and drilling sampling of the moon is one of the technical directions that will be focused on in the future. [0003] However, due to the unclear i...

AI Technical Summary

Problems solved by technology

[0005] This scheme uses a push-out sampling mechanism to drill multiple core samples, but it is only suitable for hard core samples, and all core samples are distributed in the same sample cabin. For soft lunar soil samples, Unable to record the depth information of lunar soil

[0006] This solution has a large volume, cannot use the hollow drill pipe for internal soil dumping, consumes a lot of power, and the working process is relatively complicated, so it is only suitable for ground use

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