217 results about "Lunar soil" patented technology

The invention discloses a gatherer of deep soil of the moon. An upper end surface of a housing of the gatherer is provided with a drilling machine and mechanical arm connecting device. A first separator plate, a second separator plate and a third separator plate are installed in the housing from top to bottom. A screw driving motor is installed on the first separator plate and drives a screw by a gear. A slide block in cooperation with the screw is fixed on a slider. Four guide rods pass through four through holes located at an end of the slider. A drill pipe driving motor is installed in the middle of the four guide rods. The drill pipe driving motor drives a drill pipe connector by a gear. Electromagnet driven wedges are arranged in the drill pipe connector. The electromagnet driven wedges stretch out from pin grooves of inner conical surfaces of corresponding drill pipes. A drill pipe rotating disk is installed in the center of the second separator plate. The drill pipe rotating disk is in cooperation with a drill pipe rotating disk driving motor by a gear. The third separator plate is arranged under a clamping device. Multiple drills are installed on a drill rotating disk along a circumferencial direction. On the third separator plate, a drill rotating disk driving motor is in cooperation with the drill rotating disk by a gear. A lunar soil bag is enclosed in the drill pipes having hollow structures. The gatherer of deep soil of the moon has the characteristics of compact structure, small floor space, high reliability of a transmission mode, large drilling and production depth, large sampling amount and simple and reliable sample recovery.

The invention provides a moon soil sampler, pertains to the field for detecting spatial resources, which comprises a casing, a power part in the casing, and a rod-changing section. The power part comprises a lifting motor, a drive gear, a ball screw, a screw nut, a connection disc, a rotation motor, a joint and a guideway that are sequentially connected. The rod-changing section comprises a gear box, a rotary shaft connected with the gear box, a 2-jaw clamp on the rotary shaft, an end gear ring positioner and a 1-jaw clamp that are arranged at the end of the rotary shaft and are connected with each other. On the 2-jaw clamp, a hollow drill rod with outer thread is provided. The invention is compact, light, with low energy consumption, can automatically sample in deep layer, can take all soil sample from the moon surface to the sampled depth, and can keep the sample basically as it is, and allows easy recovery.

The invention relates to a moon lunar soil shallow layer drilling and coring method, which relates to a moon unconsolidated formation lunar soil drilling exploration sampling method. The invention adopts a drill head to conduct center-drilling hole aiming at the characteristics that the moon shallow layer lunar soil is loose sand without bonding property, as the drilling deep-going of the drill bit, drilled dry loose rock cores are led to core collect through a coring cannula on the periphery of the drill bit, the lower portion of a screw thread drill bit of a drilling tool which uses the method of the invention is a drill bit vane, an upper bearing seat and a bearing are statically connected in a matching way, a connecting sleeve and a bearing are fixedly connected, the coring cannula is connected with screw threads of the connecting sleeve through the upper end of an outer pipe hole, and is sleeved on the periphery of the threaded rod drill bit, and the inner pipe hole of the coring cannula integrates rock cores. The moon lunar soil shallow layer drilling and coring method has innovative technology and outstanding technical effect, improves the maximum coring rate of 3.07% of the traditional drilling inner-tube coring method to 95%, comprehensively solves the difficult problems of coring in loose sand grain layers, and supplies a feasible moon lunar soil shallow layer drilling and coring method and an application drilling tool for lunar exploration geologic research.

The invention discloses a high and low temperature vacuum lunar soil environment simulator, which comprises a high and low temperature vacuum environment simulator including a simulant lunar soil containing device and a vacuum tank; a low temperature refrigeration cycle device; a diffusion pump; a mechanical pump and a heating component; the simulant lunar soil containing device is provided with a lunar soil drum for containing simulant lunar soil, and the location of the simulant lunar soil containing device is trimmed by a mobile platform; the simulant lunar soil containing device is arranged in the vacuum tank; the vacuum tank is vacuumized by a vacuum tube through the diffusion pump and the former mechanical pump; the low temperature refrigeration cycle device can refrigerate the lunar soil by a purple copper pipe which is designed on the wall of the lunar soil drum and is internally provided with a freezing medium; the surface of the simulant lunar soil is heated by an iodine-tungsten lamp arranged above the lunar soil drum. The high and low temperature vacuum lunar soil environment simulator has the advantages that daytime high temperature or night low temperature environment of surface-layer lunar soil and low temperature environment of deep-layer lunar soil under vacuum conditions can be simulated, and the high compactness of 1.9g / cm3 and moisture content less than 0.1% of the simulant lunar soil can be ensured.

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.

The invention discloses a built-in soft lunar soil sample sampling mechanism. A core tube top joint, a core lifting stay rope, a core taking tube, a fixed ring, a drill rod sub, a spacing ring, a soft core-taking bag, a drill rod, a core taking belt, a guide ring, a core tube base joint, a pull head assembly, a sealer and a drill. The drill rod sub, the drill rod and the drill are fixedly connected to form a hollow drilling tool. The core tube top joint, the core taking tube and the core tube base joint form a hard core taking tube. The core tube base joint has an inner annular cavity structure. The soft core-taking bag is connected on the sealer, which is preplaced in the annular cavity of the core tube base joint. The spacing ring is installed on the soft core taking bag. The core taking belt passes through the guide ring to be fixedly connected on the pull head assembly. The sampling mechanism of the invention is simple and operates reliably, and can keep sequence information of deep lunar soil samples. The soft core taking bag for wrapping lunar soil samples can be used to realize in situ packaging, winding and recovering of deep lunar soil samples 2 m deep below the lunar surface, and recovery space is saved.

The invention provides a pole-changing positioning mechanism and a pole-changing positioning method for a multi-pole deep lunar soil sampler. The pole-changing positioning mechanism comprises a clamping mechanism and a pole-changing mechanism, wherein the clamping mechanism comprises a support mechanism at the lower end, a guide mechanism at the upper end and a central rotating shaft. The support mechanism at the lower end comprises a cylindrical clamp, a tension spring, a rotating shaft of the cylindrical clamp, a clamp rotating disc, a bolt A and a nut A; the guide mechanism at the upper end comprises a guide handle, a screw A, a guide rotating disc, a bolt B and a nut B; and the pole-changing mechanism comprises a positioning sliding block A, a positioning sliding block B, the rotating shaft of a lever frame, a pivot bracket, a return spring, the lever frame, a screw B, a pivot rotating shaft and a gear case. The pole-changing positioning mechanism has simple structure and low energy consumption, and can simplify the control process; simultaneously, the pole-changing positioning mechanism can solve the motion interference problem during pole-changing positioning, lead a drill rod to realize complete drilling down and achieve the desired sampling depth.

The invention discloses a method for rapidly improving plough-layer soil of newly cultivated barren lands in southern hilly and mountainous regions, belonging to the technical field of soil improvement. The method comprises the steps of cultivating the barren lands for preparation; digging latticed fertilizing and planting ditches; preparing and applying mixtures including a fertilizer and a water-retaining agent; sowing seeds of ryegrass for the first time, cradling and covering; sowing seeds of ryegrass next year, cradling and covering; and the like. The method disclosed by the invention is definite in step and simple and feasible in process, after two years continuous integrated improvement, the soil bulk density is reduced, the void fraction is increased, the level of nutritive substances such as organic matters, total nitrogen, quick-acting nitrogen, phosphorus and potassium is improved obviously, the plough-layer soil can reach a medium fertility level, and normal agricultural utilization can be carried out. The method can be popularized and applied in newly cultivated barren lands in southern hilly and mountainous regions of China.

The invention relates to a high-speed impacting penetrator structure and particularly relates to a high-speed impacting penetrator structure for detecting lunar soil. The high-speed impacting penetrator structure comprises a penetrator shell, a penetrator hidden head, a separation end cover, instrument mounting modules, a buffering damping layer and a hidden head vibration-absorption damping structure, wherein the buffering damping layer is arranged on the inner wall of the penetrator shell and the penetrator shell is internally provided with the plurality of instrument mounting modules for mounting a planet detection instrument; the front end and the rear end of the penetrator shell are connected with the penetrator hidden head and the separation end cover respectively; and the penetrator hidden head is internally provided with the hidden head vibration-absorption damping structure. The high-speed impacting penetrator structure is light in weight and high in rigidity, has a good vibration-absorption performance and can be used for effectively impacting and penetrating a small celestial body, so that scientific detection on inner composition and structure of the moon is carried out.

The invention discloses a lunar soil deep drilling sample recycling mechanism. A wedge-shaped space is arranged along the circumference of a joint of a drilling machine and is internally provided with buckle rocking bars; racks are distributed in three layers from top to bottom, wherein the rack on the first layer is provided with a cylindrical boss, and three grooves matched with the buckle rocking bars are uniformly distributed along the circumference of the boss; the middle part of the rack on the second layer is clamped with a drill rod turntable case mechanism, and the arc middle part ofthe rack on the third layer is provided with round holes allowing drill rods to pass through along the circumference; a lifting motor is arranged at the middle part of the rack on the third layer andused for controlling the vertical movement of a slider base through a screw rod; one end of a guide rod is fixed on the rack on the third layer, and the other end of the guide rod is fixed on an upper round mechanical arm connecting plate; and the slider base is provided with a deep drilling motor for driving a motor and drill rod joint to rotate. In the invention, a plurality of short drill rodsare connected for deep soil sampling; the joint of the drilling machine can simultaneously finish buckling the racks of the drilling machine for drilling and clamping the turntable of the drilling machine for recycling, so that the mechanical structure is simplified; and the joints of the drill rods are in groove buckling connection conveniently, the transferring torque is large, and the connection is reliable.

The invention discloses a method for measuring a lunar soil dielectric coefficient by using a single-transmitting and double-receiving lunar surface ground penetrating radar. A transmitting antenna of the lunar surface ground penetrating radar is Tx, and receiving antennas of the lunar surface ground penetrating radar are Rx1 and Rx2. The method includes the following steps: step1, acquiring propagation time t1 and t2 consumed by radar signals radiated by the transmitting antenna to reach the receiving antennas from radar echo data, step2, establishing a simultaneous equation to acquire the propagation speed v of radar waves in lunar soil according to the acquired propagation time t1 and t2 consumed by the radar signals to be echoed to the receiving antennas, and step3, acquiring the lunar soil dielectric coefficient epsilon (regolith) according to the acquired propagation speed v of the radar waves in the lunar soil. According to the method, a single-transmitting and double-receiving detection mode is introduced in the moon measuring radar, the method for measuring the lunar soil dielectric coefficient by using the lunar surface ground penetrating radar with the double receiving antennas is established, relations between distances of the receiving antennas and the transmitting antenna and a detection depth is provided, and bases are provided for designing single-transmitting and double-receiving planet surface ground penetrating radars in future.

The invention discloses a multi-layer soil collecting device for soil detection. The device comprises a drill bit, a reinforcing rib, a pedal, a sampler, a rotating disc, a bearing, a rectangular groove, a connecting rod, a sampling device, a sealing plate, a baffle plate, a compression spring, a circular groove, a soil shovel, a push rod, a hydraulic cylinder, a piston, a soil storage cabin, an electric control switch, a hydraulic machine, anti-sliding pads, fixing rings and a soil baffle device, wherein the sampler is of a columnar structure; the rotating disc is arranged at the top of the sampler; the inner ring of the rotating disc is welded with one end of the connecting rod; the other end of the connecting plate is welded with the top side surface of the sampler; the pedal is arranged in a slight upper position of the sampler; the sampler is perpendicular to the pedal; the bearing is arranged at the connecting part of the sampler and the pedal; the bearing is fixedly mounted in the middle of the pedal; the fixing rings are respectively arranged on two sides of the top of the pedal; the anti-sliding pads are arranged on the pedal inside the fixing rings; the reinforcing rib isarranged on the outer side of the sampler below the pedal.

An apparatus and method for on-site microwave consolidation of planetary regolith, soil and dust is disclosed. Such particulate materials may be converted into useful products such as roadways and other construction materials. In one embodiment, a portable microwave generator and waveguide system is used to generate and direct microwaves to a lunar surface containing fine iron-containing particles to sinter and/or melt the particles. The portable system may be provided in the form of a lunar paver with a single or multiple waveguides arranged to direct sufficient microwave energy to the lunar surface to heat, sinter, melt, or otherwise consolidate the lunar soil into a solid mass suitable for use as a road or path. Other applications of this in-situ microwave heating process include the release of solar-wind implanted gases, extraction of polar water-ice, and production of oxygen.

The invention discloses a selenographic environment simulation device used for simulating selenographic drilling tests. The selenographic environment simulation device comprises a vacuum tank system, a vacuum pumping system, a heating and refrigerating system and a data acquisition and control system, wherein the vacuum tank system comprises a vacuum tank, a lunar soil barrel, a lunar soil barrel rotating mechanism and a lunar soil barrel locking mechanism; the vacuum pumping system comprises a vacuum pump sets, a cooling water circulator, an air compressor, a vacuum pump set control cabinet and a corrugated pipe; the heating and refrigerating system comprises a heating device and a refrigerating device, and an internal cooling circulation part of the entire refrigerating device is arranged in a vacuum container; and the data acquisition and control system comprises a temperature module and a vacuum measuring module. The selenographic environment simulation device reasonably selects an environment simulation item aiming at the sensibility of thermal characteristics on selenographic environment factors in the drilling process, and simulates an effective selenographic test environment for the drilling test including high vacuum, high surface temperature, low temperature below the surface, ignores the environment simulation items which has almost not effect on test results, and is economical and effective.

The invention discloses a microgravity vacuum environment oriented lunar surface in-situ resource 3D printing device, and belongs to the manufacturing field of spatial additive manufacturing. The device is characterized in that the obtaining and screening of surface particular materials of lunar soil, lunar dust and the like are achieved by a lunar surface in-situ resource grabbing and screening unit; a 3D printing shaping unit is formed through ink jetting, 3D printing is conducted by using screened particular materials, and the device is suitable for lunar surface microgravity vacuum environment and the 3D printing manufacturing of large components of future lunar base. The device has the advantages that the lunar surface in-situ resources are taken as printing consuming materials, the materials do not need to be carried to the moon through spatial transportation, so that transportation energy consumption is greatly reduced, the manufacturing cost is reduced, and the device is particularly suitable for the production of components of lunar base building facilities, mechanical parts and the like.

The invention belongs to the technical field of configuration of simulated lunar soil and particularly relates to low-gravity simulated lunar soil. The mechanical properties of the low-gravity simulated lunar soil can reach lunar soil in-situ mechanical properties as follows under the earth gravity of 1g: the pressure-bearing coefficient Kc is 0.14 N/cm<2> and kphi is 0.82 N/cm<3> and n is 1; the shearing coefficient C is 0.017 N/cm<2> and phi is 35 degrees and j is 1.8 cm; the physical density is 1/6 of the average density of the lunar soil, namely the density is 0.35 g/cc; and then, the simulated lunar soil is obtained by milling, sieving and grading grain diameters. The low-gravity simulated lunar soil can realize the full-simulation of the mechanical property of a lunar surface under the condition of ground gravity, and a manner of parabolic flight of an airplane does not need to be adopted to carry out a performance estimation test; and the test state is stable, the expenditure can be greatly saved and the low-gravity simulated lunar soil has the actual meaning of improving the effectiveness of a test check.

The invention discloses a simulated lunar soil for engineering and a preparation process thereof. Cinerite in Jinchuan District, Huinan County, Jilin Province is selected as the raw material of the simulated lunar soil; the simulated lunar soil is prepared from nine types of cinerite of 3 meshes, 4 meshes, 8 meshes, 10 meshes, 18 meshes, 40 meshes, 60 meshes, 160 meshes and 200 meshes according to respective weight percentages. The preparation process of the simulated lunar soil comprises the steps of raw material selection, scoria air-drying, scoria coarse crushing and drying, scoria pulverization and finished product preparation. The simulated lunar soil prepared through the preparation process of the invention meets the requirements of the simulated lunar soil for engineering in both preparation cycle and control indexes.

The invention discloses a method and system for detecting the thickness of lunar soil and the subsurface geological structure of the moon via an ultra-wide-band carrier-free pulse radar. A radar system includes two detection channels, wherein the first channel work at an HF/VHF waveband in a one-transmission-one-reception mode, and is used for detecting the geological structure of rocks at the subsurface of the moon; and the second channel works at a UHF waveband in a one-transmission-two-reception mode, and can accurately detect the thickness of the lunar soil layer. The ultra-wide-band carrier-free pulse radar is mounted on a moon rover and moves with the moon rover, and the two detection channels work alternatively, and respectively radiate and receive ultra-wide-band carrier-free pulses to complete detection for the thickness distribution of the lunar soil and the geologic structure of the rocks at the subsurface of the moon. Detected data is transmitted back to the earth, and the geologic structure of the rocks at the subsurface of the moon and the structure of the lunar soil layer are drawn on a display screen after processes as data filter and amplification.

A method of creating simulated agglutinate particles by applying a heat source sufficient to partially melt a raw material is provided. The raw material is preferably any lunar soil simulant, crushed mineral, mixture of crushed minerals, or similar material, and the heat source creates localized heating of the raw material.

The invention discloses a core and rod replacing mechanism for a multi-core and multi-rod deep lunar soil sampler and belongs to the field of space resource detection. The core and rod replacing mechanism comprises a drilling rod fixing component, a core-pulling pipe fixing and separating component and a driving component, wherein the drilling rod fixing component comprises a drilling rod disk, a drilling rod disk rotating shaft, a barrel-shaped drilling rod clamp, a drilling rod disk positioning grating and a drilling rod disk electromagnetic locking mechanism; the core-pulling pipe fixing and separating component comprises a core-pulling pipe disk, a core-pulling pipe disk rotating shaft, a core-pulling pipe disk electromagnetic locking mechanism, a sample table bracket, a core-pulling pipe disk positioning grating, a lander acting component and a sample table separating dragging plate; the driving component comprises a gear box bracket, a gear box shell, a drilling rod motion driving shaft, a spring, a transitional joint, a drilling rod disk driving shaft, a core-pulling pipe disk driving shaft, a core-pulling pipe disk driving gear group and a drilling rod disk driving gear group. The core and rod replacing mechanism has the advantages that multi-core and multi-rod sampling is realized, frequent large-scale sampling is achieved, rod and core replacement is precise and flexible, and only collected samples can be recycled to reduce the weight of a returning capsule.