Anchoring and sampling mechanism of planetary probe
A detector and anchoring technology, used in aircraft, space navigation equipment, space navigation aircraft, etc., can solve the problems of layer rational damage, limited sampling depth, and few applications, to reduce additional impact, wide application range, Good structural rigidity
Active Publication Date: 2013-12-25
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology
The samples obtained by the digging automatic sampling mechanism cannot retain their bedding characteristics, and cannot sample deep lunar soil and larger lunar rocks, so the amount of sampled information is limited
The clamp-type automatic sampling mechanism is limited by the sampling capacity and scope of application, so it is rarely used, and in ESA's Beagle-2 Mars rover, although a similar clamp-type and grinding-type composite sampling mechanism is used , but due to the failure of this task, the sampling mechanism has not been really applied
Since the bedding of the ground sample is destroyed, the attainable sampling depth is limited, and it does not have the ability to collect and store samples. Therefore, the use of the grinding automatic sampling mechanism can only realize the online analysis of the sample, rather than the experiment after the sample is returned to the earth. chamber analysis
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[0014] As shown in the figure, an anchoring and sampling mechanism for an asteroid probe of the present invention includes a landing leg 15, an anchor 2 and a foot pad 1, and a guide rail 13 is arranged on the inner wall of the landing leg 15, and the inside of the landing leg 15 The upper end is provided with a sampling motor 10, the output shaft 9 of the sampling motor 10 is fixedly connected with the drill 4, and a spring 12 and an explosive bolt 11 are also arranged at the upper end of the sampling motor. The spring 12 has ultra-high strength, and the ultra-high strength compression spring and the upper ends of the explosive bolts 11 are connected to the top of the landing leg 15, and two groups of four pulleys 14 are also arranged on both sides of the sampling motor 10, and the sampling motor 10 and the drilling 4 slide up and down in the landing leg 15 through the pulley 14 Move, the foot pad 1 is arranged on the lower end of the landing leg 15, the upper end of the drill...
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The invention discloses an anchoring and sampling mechanism of a planetary probe, which comprises a landing leg, an anchoring device and a sampling device. The anchoring and sampling mechanism is characterized in that the anchoring device is arranged on the outer side of the lower end of the landing leg, a guide rail is arranged inside the landing leg, the sampling device is arranged on the guide rail inside the buffer landing leg, the upper end of the sampling device is connected with the upper end of the landing leg, the anchoring device comprises a high-pressure gas reaction chamber and a rivet, and the rivet is arranged at a high-pressure gas outlet of the high-pressure gas reaction chamber. Installation and movement processes of the anchoring and sampling mechanism have no interference, the anchoring and sampling mechanism is fine in structural rigidity, light in weight, simple in structure, convenient in processing, high in reliability and wide in applicable range, the anchoring device and the sampling device are integrated, extra impact on the probe is reduced during sampling, and influence on the working posture of the probe is decreased.
Description
technical field [0001] The invention belongs to a mechanism for anchoring a planetary probe and collecting asteroid surface samples. Background technique [0002] In order to explore the distribution of space resources and understand the history of the development and evolution of the universe, humans have carried out sampling and analysis of soil and rock samples on the surface of planets many times. It is an important task and key technology in deep space exploration to use sampling mechanism to obtain samples and analyze and study samples. International space organizations and research institutions have invested a lot of energy in deep space exploration sampling and return technology, and have achieved many valuable results. With the in-depth development of my country's lunar exploration project, my country will realize the automatic collection and return of lunar soil samples in the future. [0003] The main task of the planetary probe is to collect soil samples on the...
Claims
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IPC IPC(8): B64G1/22G01N1/08
Inventor 聂宏林轻陈金宝任杰徐磊柏合民
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS