CN103837373A - Core and rod replacing mechanism for multi-core and multi-rod deep lunar soil sampler - Google Patents
Core and rod replacing mechanism for multi-core and multi-rod deep lunar soil sampler Download PDFInfo
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- CN103837373A CN103837373A CN201410079460.8A CN201410079460A CN103837373A CN 103837373 A CN103837373 A CN 103837373A CN 201410079460 A CN201410079460 A CN 201410079460A CN 103837373 A CN103837373 A CN 103837373A
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Abstract
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.
Description
Technical field
The invention belongs to space resources Detection Techniques field, the core that changes that is specifically related to a kind of many bars of multicore deep lunar soil sampler changes bar detent mechanism.
Background technology
The moon is the celestial body nearest apart from the earth, is the preferred object of mankind's observational study always.Moonscape is covered by lunar soil, is the basic point of penetration that human knowledge's moon forms, and lunar soil is analyzed with Research Significance great, and becomes already Yi Ge world focus.The at present country such as the U.S., Russia, European Space Agency, Japan, India and China or organize the lunar exploration plan of all or having actively developed.According to the lunar exploration plan of China, moon exploration project be divided into " around ", " falling ", " returning " three strategic phases, second developing stage of forward strides forward at present, the lunar exploration second phase will be realized soft lunar landing and lunar rover examine on the spot, three phases of lunar exploration will be realized the automatic collection of moon sample and be returned, and " falling " and " returning " two stages all need special moon soil sampling device to complete corresponding detection and sampling task.
The U.S. and USSR (Union of Soviet Socialist Republics) have successfully realized lunar soil and have sampled and return, defect that domestic and international published sampling thief ubiquity is large such as energy consumption, volume is large, sampling quantity is little, sampling quantity is large but depth as shallow, sampling can not be kept intact etc.
Many bars sampling deep layer device of patent No. ZL2007101211118 record can improve these deficiencies simultaneously, realizes 1.5 meters of sampling deep layers, but has the defects such as complex structure, efficiency are low.The patent of Granted publication CN101936822B improves aforementioned many bars sampling deep layer device, has designed higher the changing bar detent mechanism and change bar localization method of a set of efficiency, and the sampling thief performance after improvement improves a lot, but it still comes with some shortcomings:
The one, sampling quantity is limited by drilling rod.The sample that sampling thief obtains leaves in drilling rod, and it is the maximum sampling quantity of sampling thief that four drilling rods are all full of.Increase the sampling quantity of sampling thief if want, can on the basis of original structure, increase drilling rod quantity or change jackrod structure to increase drilling rod central volume.Due to the requirement of drilling rod work characteristics, itself is comparatively thick and heavy, and ratio is less compared with the weight that sampling quantity and the sampling thief of the sampling thief therefore increasing increases, and the cost that therefore sampling quantity increases is higher.
The 2nd, it is large that sampling thief returns to weight.Sampling thief is after sampling finishes, and what possess actual scientific research value only has lunar soil itself, and if return capsule is taken back heavy sampling thief together, certainly will increase the weight of the weight of return capsule, greatly increased the burden and the cost that return, capacity usage ratio is low.
Summary of the invention
For the problem existing in above-mentioned technology, what the present invention proposed a kind of many bars of multicore deep lunar soil sampler changes core pipe-rod changing mechanism.This mechanism can be designed to place many drilling rods and many bars corer according to sample requirement, and the corer quantity that can place can, more than drilling rod quantity, so conveniently be carried out multiposition, different depth sampling to lunar soil.The sample recovery section of sampling thief is controlled separation with sampling thief body construction, after sampling thief sampling finishes, what possess actual scientific research value only has lunar soil itself, lunar soil is stayed in custom-designed drilling rod corer, therefore can only reclaim the corer that quality is light, be taken back the earth, and abandon heavy sampling thief body, so just greatly reduce the weight of return capsule, can greatly reduce the cost returning.
Many bars of multicore deep lunar soil sampler change a core pipe-rod changing mechanism, comprise drilling rod fixation kit, corer fixing with separation assembly, driven unit three parts.Drilling rod fixation kit comprises drilling rod dish, the rotating shaft of drilling rod dish, drilling rod tubular fixture, drilling rod dish location grating, drilling rod dish electromagnetic locking mechanism, corer is fixing comprises corer dish with separation assembly, the rotating shaft of corer dish, corer dish electromagnetic locking mechanism, sample platform bracket, corer dish location grating, lander action component, sample stage separates planker, driven unit comprises gear box support, gearbox-case, drilling rod motion driving shaft, spring, crossover sub, drilling rod disk drive shaft, corer disk drive shaft, corer dish drive gear set, drilling rod dish drive gear set.
Many bars of multicore deep lunar soil sampler change a core pipe-rod changing mechanism, comprise drilling rod fixation kit, corer fixing with separation assembly, driven unit;
Drilling rod fixation kit comprises that drilling rod assists shaft collar, cylindrical auger rod chucking appliance, drilling rod dish, drilling rod dish location grating, drilling rod dish electromagnetic locking mechanism;
The auxiliary shaft collar of drilling rod is positioned at drilling rod dish rotating shaft the first half, and the auxiliary shaft collar of drilling rod is provided with drilling rod fixed orifice;
Drilling rod dish is connected with drilling rod dish rotating shaft lower end, connects transmitting torque by key, and drilling rod dish is provided with cylindrical auger rod chucking appliance, and drilling rod tray bottom is by bearing arrangement fixed support, and drilling rod tray bottom is provided with lock hole;
Electromagnetic locking mechanism, drilling rod dish location grating are positioned at drilling rod dish lower end;
Drilling rod dish location grating is for detection of the position of drilling rod dish;
Electromagnetic locking mechanism comprises solenoid, electromagnetic locking mechanism spring, electromagnetic locking post;
Electromagnetic locking post, electromagnetic locking mechanism spring are arranged in the endoporus of solenoid, when solenoid no power, electromagnetic locking mechanism spring is original state, electromagnetic locking post is positioned at lock hole, locking drilling rod dish, when solenoid energising, electromagnetic locking mechanism spring is compressive state, the electromagnetic locking post hole that goes out of lock, drilling rod dish can rotate;
Whether solenoid switches on, and the determining positions of drilling rod dish detected by drilling rod dish location grating;
Corer is fixing comprises that with separation assembly corer dish, sample platform bracket, corer dish location grating, corer dish electromagnetic locking mechanism, sample stage separate planker, lander action component, the rotating shaft of corer dish, spring, sample stage locking pin;
Corer dish is positioned on sample platform bracket, and corer dish is provided with corer fixed orifice; Corer dish is connected with corer dish rotating shaft lower end, connects transmitting torque by key; Corer tray bottom is provided with lock hole;
Corer dish location grating is for detection of the position of corer dish;
Corer dish location grating, corer dish electromagnetic locking mechanism are positioned at corer dish lower end, are arranged on sample platform bracket;
Spring is in the time of normal condition, corer dish and sample platform bracket are blocked in sample stage locking pin lower end, and lander action component separates planker motion, Compress Spring with sample stage, sample stage locking pin is removed the locking of corer dish and sample platform bracket, realizes separating of corer dish and sampling thief;
Whether corer dish electromagnetic locking mechanism switches on, and the determining positions of corer dish detected by corer dish location grating;
Corer dish electromagnetic locking mechanism is identical with electromagnetic locking mechanism in drilling rod fixation kit;
Driven unit comprises gear box support, gearbox-case, drilling rod motion driving shaft, spring, crossover sub, drilling rod disk drive shaft, corer disk drive shaft, corer dish drive gear set, bar dish drive gear set;
The rotating shaft of corer dish, the rotating shaft of drilling rod dish, drilling rod disk drive shaft and a pair of independently bearing arrangement of the each freedom of corer disk drive shaft are fixed on and change on bar gear case, change bar gear case and are fixed on gear box support, and gearbox-case is positioned at outside gear case;
Drilling rod disk drive shaft is enclosed within corer disk drive shaft, and both contact with one heart and not; The rotating shaft of drilling rod dish is enclosed within the rotating shaft of corer dish, and both contact with one heart and not;
Drilling rod disk drive shaft is connected with the rotating shaft of drilling rod dish by drilling rod dish drive gear set, drives the rotating shaft of drilling rod dish to rotate;
Corer disk drive shaft is connected with the rotating shaft of corer dish by corer dish drive gear set, drives corer dish rotating shaft rotation;
Spring is positioned at drilling rod motion driving shaft periphery, and bottom is fixedly connected with drilling rod motion driving shaft, and top is fixedly connected with crossover sub, and crossover sub connects corer disk drive shaft, and spring is positioned at compressive state, makes crossover sub be positioned at corer disk drive shaft;
Drilling rod motion driving shaft top is yi word pattern joint, and yi word pattern joint docks with drilling rod rotary disk driving shaft bottom, and the rotation of drilling rod motion driving shaft is with the rotation of drilling rod rotary disk driving shaft.
The invention has the advantages that:
(1) for fear of using multiple motors, drilling rod dish and corer dish all use drilling rod electric rotating machine to drive by different open joint timesharing, greatly reduce the power demand of work;
(2) change the accuracy of drilling rod dish and corer dish location in bar process in order to guarantee to change core, drilling rod dish and corer dish all adopt round grating to realize location, have improved safety and reliability in docking operation;
(3) in order to simplify one-piece construction, the rotating shaft of corer dish has been enclosed within the outside of drilling rod dish rotating shaft, and the two is separate in motion process, non-interference;
(4) finish the rear corer that sample is housed that only reclaims in order to realize sampling, corer dish is designed to sampling thief separable, moves by lander action component, can realize easily the recovery of sample;
(5) in order to realize drilling rod dish and corer dish holding position in sampling process is motionless, below drilling rod dish and corer dish, all designed spring latch mechanism, after drilling rod dish and corer disc spins put in place, spring latch mechanism carries out locking position to it;
(6) in order to realize repeatedly sampling and a large amount of sampling, the installable corer quantity of corer dish and the installable drilling rod quantity of drilling rod dish can design according to demand, the corer of installing can be more than the quantity of drilling rod, and the sample of the multiple position samplings of sampling thief and different depth sampling all can be placed on corer dish like this.
Accompanying drawing explanation
Fig. 1 is one-piece construction stereographic map of the present invention;
Fig. 2 is drilling rod fixation kit stereographic map of the present invention;
Fig. 3 is electromagnetic locking mechanical work principle figure of the present invention;
Fig. 4 is that corer of the present invention is fixed and separation assembly stereographic map (overlooking);
Fig. 5 is that corer of the present invention is fixed and separation assembly stereographic map (looking up);
Fig. 6 is corer dish of the present invention and sample stage rotating shaft stationary state;
Fig. 7 is corer dish of the present invention and the sample stage rotating shaft state that unlocks;
Fig. 8 is corer dish of the present invention and sample stage rotating shaft released state;
Fig. 9 is drilling rod dish of the present invention and corer dish driven unit gear set stereographic map;
Figure 10 is drilling rod dish of the present invention and corer dish driven unit joint stereographic map;
Figure 11 is drilling rod dish drive sub stereographic map of the present invention;
Figure 12 is corer dish drive sub stereographic map of the present invention;
In figure:
1-drilling rod is assisted shaft collar 2-cylindrical auger rod chucking appliance 3-drilling rod dish
The 4-drilling rod dish location grating 5-drilling rod dish electromagnetic locking 5.1-of mechanism solenoid
The rotating shaft of the spring 5.3-of 5.2-electromagnetic locking mechanism electromagnetic locking post 6-drilling rod dish
7-corer dish 8-sample platform bracket 9-corer location grating
The 10-corer dish electromagnetic locking 11-of mechanism sample stage separates planker 12-lander action component
13-corer dish rotating shaft 14-gear box support 15-gearbox-case
16-drilling rod motion driving shaft 17-spring 18-crossover sub
19-drilling rod disk drive shaft 20-corer disk drive shaft 21-corer dish drive gear set
22-drilling rod dish drive gear set 23-sample stage locking pin
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The core pipe-rod changing mechanism that changes of a kind of many bars of multicore deep lunar soil sampler that the present invention proposes is the improvement of doing on the basis of patent No. ZL2007101211118 and Granted publication CN101936822B patent.A kind of moon soil sampling device is disclosed in the patent that is ZL2007101211118 in the patent No., this sampling thief comprises power section and changes bar part, wherein power section comprises lifting motor, transmission gear, electric rotating machine, piecing devices etc., changes bar part and comprises gear case, rotating shaft, two pawl jig, monodactyle jig and fluted disc steady arm etc.In the patent that is CN101936822B at Granted publication number, disclose one and changed bar detent mechanism, as the improvement of patent No. ZL2007101211118 being changed to bar part.This changes bar detent mechanism and comprises clamping device and pipe-rod changing mechanism, and wherein clamping device comprises upper end guiding mechanism, lower end supporting mechanism and central rotating shaft.The present invention improved Granted publication CN101936822B patent pipe-rod changing mechanism, increased the function of changing core, that designs a kind of many bars of multicore deep lunar soil sampler changes core pipe-rod changing mechanism, realize the many bar samplings of multicore, the remainder of above-mentioned two patents has been changed.
The present invention be a kind of many bars of multicore deep lunar soil sampler change core pipe-rod changing mechanism, as shown in Figure 1, comprise drilling rod fixation kit, corer fixing with separation assembly, driven unit.
Drilling rod fixation kit as shown in Figure 2, comprises that drilling rod assists shaft collar 1, cylindrical auger rod chucking appliance 2, drilling rod dish 3, drilling rod dish location grating 4, drilling rod dish electromagnetic locking mechanism 5.
Drilling rod dish 3 can be placed many drilling rods, is integral type structure, and bottom is supported by bearing arrangement, can rotate freely.Drilling rod dish 3 is provided with cylindrical auger rod chucking appliance 2, for fixing drilling rod, the weight of drilling rod dish 3 is all born by bearing arrangement, with born all wt by drilling rod dish rotating shaft 6 compared with, reduce the inhomogeneous axially loaded of drilling rod dish rotating shaft 6, reduce the distortion of drilling rod dish rotating shaft 6, improved the stability that drilling rod dish rotating shaft 6 is moved.Between drilling rod dish 3 and drilling rod dish rotating shaft 6, connect transmitting torque by key, there is gap in the rotating shaft mounting hole bottom surface of drilling rod dish rotating shaft 6 bottoms and drilling rod dish 3, the length of keyway is also greater than bond distance, both common guarantee in the time that drilling rod dish rotating shaft 6 changes due to the length of expanding with heat and contract with cold, axially having certain space, can there is not larger flexural deformation.Be provided with the auxiliary shaft collar 1 of drilling rod in the first half of drilling rod dish rotating shaft 6, the drilling rod fixed orifice on the auxiliary shaft collar 1 of drilling rod is herein closed circular hole.Can all radial motions of complete restriction drilling rod after complete circular hole can make drilling rod penetrate, improve the fixing stability of drilling rod.The height space of sampling thief inside allows drilling rod vertical-lift until take out from the auxiliary shaft collar 1 of drilling rod, can not exist drilling rod open joint to move to extreme higher position but drilling rod bottom is also positioned at the situation under the auxiliary shaft collar 1 of drilling rod.
As shown in Figure 3, described electromagnetic locking mechanism 5 fundamental diagrams, in the time carrying out the picking and placeing of drilling rod, need to rotate to drilling rod dish 3 preposition locking; Carrying out drilling rod while carrying out lower drilling sample, also need by the breach of drilling rod dish 3 rotate to treat lower brill drilling rod under so that lower brill space to be provided.In the time that drilling rod dish 3 is not worked, solenoid 5.1 no powers, insert in drilling rod dish 3 lock holes electromagnetic locking post 5.3 upper ends, and under the effect of electromagnetic locking mechanism spring 5.2 elastic force, keep the position of locking, thereby lock whole drilling rod dish 3, as shown in figure as left in Fig. 3.Before 3 rotations of needs drilling rod dish, solenoid 5.1 energisings produce magnetic force and attract electromagnetic locking post 5.3 downwards, electromagnetic locking post 5.3 overcomes electromagnetic locking mechanism spring 5.2 elastic force compression electromagnetic locking mechanism springs 5.2 and moves downward, from lock hole, deviate from, drilling rod dish 3 unlocks, can under motor-driven effect, rotate, as shown in figure as right in Fig. 3.The detection of drilling rod dish 3 positions is realized by the drilling rod dish location grating 4 that is arranged on drilling rod rotating disk bottom, and the locking after putting in place is realized by electromagnetic locking mechanism 5.When drilling rod dish 3 positions unlock, drilling rod dish location grating 4 detects and starts action, record the angle that drilling rod dish 3 turns over, after arrival preposition, send signal controlling drive motor and stop operating, solenoid 5.1 is again switched on and is locked drilling rod dish 3, prepares to carry out next action.
Corer fixing with separation assembly (vertical view) as shown in Figure 4, corer fixation kit is used for fixing the corer that is full of sample after empty corer and sampling finish.
Corer is fixing comprises that with separation assembly corer dish 7, sample platform bracket 8, corer dish location grating 9, corer dish electromagnetic locking mechanism 10, sample stage separate planker 11, lander action component 12, corer dish rotating shaft 13, sample stage locking pin 23;
Corer dish 7 once can be installed many corers, and principle of work is similar to drilling rod dish 3, and corer dish 7 is arranged on sample platform bracket 8 by bearing, can rotate freely.Sample platform bracket 8 is fixed on sampling thief housing.Corer dish 7 bottoms are provided with corer dish location grating 9 equally, and the angle that corer dish 7 is turned over is controlled.Electromagnetic locking mechanism 5 is installed on sample platform bracket 8, corer dish 7 positions are locked, principle of work is identical with the electromagnetic locking mechanism 5 of drilling rod dish 3, repeats no more.The corer dish 7 having assembled forms a bathtub construction, and corer dish rotating shaft 13 can be inserted in this bathtub construction.The circular arc location of trench bottom, the rotating shaft 13 of assurance corer dish is concentric with corer dish 7.End face and the bottom surface of corer dish rotating shaft 13 are located by corer dish 7, guarantee not have in both courses of work axial relative displacement.Simultaneously through corer dish 7 and corer dish rotating shaft 13, corer dish rotating shaft 13 cannot be extracted out from corer dish 7 by sample stage locking pin, both are completely fixed.Corer dish rotating shaft 13 is docked with corer disk drive shaft 20 is concentric, the moment of torsion that drives corer dish 7 to rotate by key transmission.
Corer of the present invention is fixed and separation assembly (upward view) as shown in Figure 5, assemble until sampling thief drills through sampling task and finishes from sampling thief, while not needing corer dish 7 to separate, due to the elastic force of spring, corer dish locking pin epimere and stage casing keep penetrating the state of corer dish 7 and corer dish rotating shaft 20 always simultaneously, keeping corer dish 7 and corer dish rotating shaft 20 relatively-stationary states, corer dish 7 moves jointly with corer dish rotating shaft 20, the various functions while work to realize sampling thief.When preparing sample separation platform, while abandoning sampling thief main body, the lander action component 12 that sampling thief is installed starts, and drives sample stage to separate planker 11 and moves to the direction shown in Fig. 5.The chamfered portion of sample stage separation planker 11 moves to gradually the bottom of sample stage locking pin in moving process, overcome spring force, make sample locking pin along moving on inclined-plane, gradually by sample stage locking pin jack-up, until the bottom surface of sample stage locking pin separates the end face contact of planker 11 with sample stage, now the cross section of sample stage locking pin segmentation be just positioned at corer dish 7 contact with corer dish rotating shaft 20 coordinate sectional position, now corer dish 7 is no longer relative with corer dish rotating shaft 20 fixing, and both can slide along the groove in corer dish 7 along direction shown in Fig. 5.Simultaneously in the time that corer dish 7 and sample stage unlock, sample stage separates planker 11 also by corer dish 7 mechanical position limitations, sample stage separates planker 11 and continues mobile, dragging corer dish 7 separates with corer dish rotating shaft 20, until corer dish 7 is separated completely with corer dish rotating shaft 20, the sample that drills through sampling gained all enters the inside of lander with corer dish 7.Now the main part of sampling thief separates completely with the sample collecting, and sampling thief main body can be separated with lander, abandons sampling thief.
As shown in Fig. 6, Fig. 7, Fig. 8, assemble until sampling thief drills through sampling task and finishes from sampling thief, while not needing corer dish 7 to separate, due to the elastic force of spring, corer dish locking pin 23 epimeres and stage casing keep penetrating the state of corer dish 7 and corer dish rotating shaft 20 always simultaneously, keeping corer dish 7 and corer dish rotating shaft 20 relatively-stationary states, corer dish 7 moves jointly with corer dish rotating shaft 20, the various functions while work to realize sampling thief.When preparing sample separation platform, while abandoning sampling thief main body, the lander action component 12 that sampling thief is installed starts, and drives sample stage to separate planker 11 and moves to the direction shown in Fig. 7.The chamfered portion of sample stage separation planker 11 moves to gradually the bottom of sample stage locking pin 23 in moving process, overcome spring force, make sample locking pin along moving on inclined-plane, gradually by sample stage locking pin 23 jack-up, until the bottom surface of sample stage locking pin 23 separates the end face contact of planker 11 with sample stage, the cross section of now sample stage locking pin 23 segmentations is just positioned at corer dish 7 and contacts the sectional position coordinating with corer dish rotating shaft 20, now corer dish 7 is no longer relative with corer dish rotating shaft 20 fixing, both can slide along the groove in corer dish 7 along direction shown in Fig. 7.Simultaneously in the time that corer dish 7 and sample stage unlock, sample stage separates planker 11 also by corer dish 7 mechanical position limitations, sample stage separates planker 11 and continues mobile, dragging corer dish 7 separates with corer dish rotating shaft 20, until corer dish 7 is separated completely with corer dish rotating shaft 20, the sample that drills through sampling gained all enters the inside of lander with corer dish 7.Now the main part of sampling thief separates completely with the sample collecting, and sampling thief main body can be separated with lander, abandons sampling thief.
The driven unit gear set stereographic map of drilling rod dish of the present invention and stopple coupon dish as shown in Figure 9, corer dish rotating shaft 13, drilling rod dish rotating shaft 6, drilling rod disk drive shaft 19 and a pair of independently bearing arrangement of the each freedom of corer disk drive shaft 20 are fixed on and change on bar gear case, change bar gear case and be fixed on gear box support 14, gear box support 14 is connected with the housing of sampling thief.Drilling rod disk drive shaft 19 is enclosed within corer disk drive shaft 20, and both contact with one heart and not.Drilling rod dish rotating shaft 6 is enclosed within corer dish rotating shaft 13, and both also contact with one heart and not.Therefore four axles can freely rotate mutually without interfering with each other.Drilling rod disk drive shaft 19 is connected with drilling rod dish rotating shaft 6 by drilling rod dish drive gear set 22, drives drilling rod dish rotating shaft 6 to rotate.Corer disk drive shaft 20 is connected with corer dish rotating shaft 13 by corer dish drive gear set 21, drives corer dish rotating shaft 13 to rotate.By said structure, the rotation of drilling rod dish 3 and corer dish 7 can be relatively independent, do not interfere with each other.
Drilling rod dish of the present invention and corer dish driven unit joint stereographic map, comprise spring 17, crossover sub 18, drilling rod motion driving shaft 16 as shown in figure 10.
Drilling rod dish drive sub stereographic map of the present invention as shown in figure 11, after the top yi word pattern joint of drilling rod motion driving shaft 16 docks with drilling rod rotary disk driving shaft 19 bottoms, 16 rotations of drilling rod motion driving shaft can be with drilling rod rotary disk driving shaft 19 to rotate.Have two blocks at the bottom outlet inner ring of drilling rod rotary disk driving shaft 19, these two stop location are symmetrical also can be coordinated with drilling rod motion driving shaft 16 yi word pattern joints, is also symmetrical at circumferential position, and therefore no matter the reversion of yi word pattern joint forward can coordinate with block.The tip designs of yi word pattern joint is fillet, and the bottom of block is also designed to fillet.In the time that yi word pattern joint docks with drilling rod rotary disk driving shaft 19, drilling rod rotary disk driving shaft 19 is static, and 16 of drilling rod motion driving shafts rotate while rise.In the time that yi word pattern joint docks with drilling rod rotary disk driving shaft 19, if it is overlapping that the xsect of yi word pattern joint and block does not have, yi word pattern joint directly enters the bottom outlet of drilling rod rotary disk driving shaft 19, in rotate at the drilling rod motion driving shaft 16≤scope of 120 °, yi word pattern joint will be blocked by block, drilling rod motion driving shaft 16 drives drilling rod rotary disk driving shaft 19 jointly to rotate, and realizes the rotation of drilling rod dish 3 by gear set transmission.If it is overlapping that the xsect of yi word pattern joint and block has, due to fillet and the lasting rotation of drilling rod motion driving shaft 16 of yi word pattern joint and block contact site, block can not block yi word pattern joint and make drilling rod motion driving shaft 16 increase, yi word pattern joint can slide in the bottom outlet of drilling rod rotary disk driving shaft 19 gradually along with rotation rising, and continues to rotarily actuate drilling rod rotary disk driving shaft 19.And, when drilling rod motion driving shaft 16 is prepared stacks rotary disk driving shaft 19, the locking of drilling rod dish 3 is removed, can rotate freely, resistance when the now rotation of drilling rod dish 3 has reduced docking, no matter the fillet that can guarantee yi word pattern joint fillet and block is that relative direction or equidirectional contact, and can slip over smoothly, makes yi word pattern joint enter bottom outlet.
Institute of the present invention corer dish drive sub stereographic map as shown in figure 12, the principle that drilling rod motion driving shaft 16 drives corer disk drive shaft 20 to rotate is similar to the principle of driving drilling rod disk drive shaft 19, and difference is the docking that is changed into three joints by the docking of two above-mentioned joints.Drilling rod motion driving shaft 16 penetrates crossover sub 18 endoporus and drives crossover sub 18 to rotate, and crossover sub 18 enters in corer disk drive shaft 20 bottom outlets and drives corer disk drive shaft 20 to rotate.Crossover sub 18 can move axially within the specific limits along the drilling rod driving shaft 16 that moves, transition connects 18 while being installed on drilling rod motion driving shaft, spring 17 bottoms and drilling rod motion driving shaft 16 are fixing, top and crossover sub 18 bottom surfaces are fixed, spring 17 is in compressive state, the bottom surface of crossover sub 18 endoporus is spacing by the block of drilling rod motion driving shaft 16, and crossover sub 18 can not be deviate from, the extreme higher position of the relative drilling rod motion driving shaft 16 of crossover sub 18 in range of movement.The block of now drilling rod motion driving shaft 16 can contact cooperation with the block of crossover sub 18 endoporus in the time that both relatively rotate, and makes drilling rod motion driving shaft 16 can drive crossover sub 18 to rotate, and rotates thereby can drive corer disk drive shaft 20.In the time that crossover sub 18 is subject to downward pressure, crossover sub 18 overcomes spring 17 elastic force and moves downward, the block of now drilling rod motion driving shaft 16 relatively rotates Shi Buhui with the block of crossover sub 18 endoporus at both and contacts, i.e. the rotation of drilling rod motion driving shaft 16 can not drive the rotation of crossover sub 18.By controlling the position of crossover sub 18, can reach the object that drives respectively drilling rod dish 3 and corer dish 7, guarantee that both do not have the interference in motion.As previously mentioned, the rotation of the rotation of drilling rod dish 3 and corer dish 7 also needs drilling rod electric rotating machine and drilling rod translation motor to drive, when Execution driven, need leading screw to rotarily actuate gear case entirety upwards translation, drive drilling rod motion driving shaft 16 upwards translation realize the docking of joint, thereby transmitting torque.In the time only needing rotary coring pipe dish 7, leading screw rotarilys actuate upwards translation of gear case.Now drilling rod motion driving shaft 16 drives corer disk drive shaft 20 to rotate by crossover sub 18, but the yi word pattern joint of drilling rod motion driving shaft 16 does not also insert in the bottom outlet of drilling rod disk drive shaft 19 in the time of this position, so can not drive drilling rod disk drive shaft 19 to rotate.In the time only needing rotary drill rod dish 3, leading screw rotarilys actuate upwards translation of gear case.Because corer disk drive shaft 20 is axially fixed, therefore, along with gear case moves upward, the end face of corer disk drive shaft 20 bottom outlets is pressed in the end face of crossover sub 18, overcome spring 17 elastic force by crossover sub 18 to pressing down, until the yi word pattern joint of drilling rod motion driving shaft 16 enters in the bottom outlet of drilling rod disk drive shaft 19, can drive drilling rod disk drive shaft 19 to rotate.Now in the axial direction, the block of drilling rod motion driving shaft 16 is positioned at the top of crossover sub 18 endoporus blocks, both rotate and also can not contact transmitting torque arbitrarily each other, when therefore drilling rod motion driving shaft 16 rotates, can only drive drilling rod disk drive shaft 19, can not drive corer disk drive shaft 20.In sum, the setting of crossover sub 18, makes the rotation that drilling rod dish 3 and corer dish 7 can be separate, does not interfere with each other.
Therefore the present invention have advantages of can realize the sampling of the many bars of multicore, can repeatedly sample and sampling quantity is large, change bar change core accurately flexibly, can only reclaim the sample gathering and reduce return capsule weight.
Above-described embodiment, the just more preferably one of embodiment of the present invention, the common variation that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (1)
- Many bars of multicore deep lunar soil sampler change a core pipe-rod changing mechanism, comprise drilling rod fixation kit, corer fixing with separation assembly, driven unit;Drilling rod fixation kit comprises that drilling rod assists shaft collar, cylindrical auger rod chucking appliance, drilling rod dish, drilling rod dish location grating, drilling rod dish electromagnetic locking mechanism;The auxiliary shaft collar of drilling rod is positioned at drilling rod dish rotating shaft the first half, and the auxiliary shaft collar of drilling rod is provided with drilling rod fixed orifice;Drilling rod dish is connected with drilling rod dish rotating shaft lower end, connects transmitting torque by key, and drilling rod dish is provided with cylindrical auger rod chucking appliance, and drilling rod tray bottom is by bearing arrangement fixed support, and drilling rod tray bottom is provided with lock hole;Electromagnetic locking mechanism, drilling rod dish location grating are positioned at drilling rod dish lower end;Drilling rod dish location grating is for detection of the position of drilling rod dish;Electromagnetic locking mechanism comprises solenoid, electromagnetic locking mechanism spring, electromagnetic locking post;Electromagnetic locking post, electromagnetic locking mechanism spring are arranged in the endoporus of solenoid, when solenoid no power, electromagnetic locking mechanism spring is original state, electromagnetic locking post is positioned at lock hole, locking drilling rod dish, when solenoid energising, electromagnetic locking mechanism spring is compressive state, the electromagnetic locking post hole that goes out of lock, drilling rod dish can rotate;Whether solenoid switches on, and the determining positions of drilling rod dish detected by drilling rod dish location grating;Corer is fixing comprises that with separation assembly corer dish, sample platform bracket, corer dish location grating, corer dish electromagnetic locking mechanism, sample stage separate planker, lander action component, the rotating shaft of corer dish, spring, sample stage locking pin;Corer dish is positioned on sample platform bracket, and corer dish is provided with corer fixed orifice; Corer dish is connected with corer dish rotating shaft lower end, connects transmitting torque by key; Corer tray bottom is provided with lock hole;Corer dish location grating is for detection of the position of corer dish;Corer dish location grating, corer dish electromagnetic locking mechanism are positioned at corer dish lower end, are arranged on sample platform bracket;Spring is in the time of normal condition, corer dish and sample platform bracket are blocked in sample stage locking pin lower end, and lander action component separates planker motion, Compress Spring with sample stage, sample stage locking pin is removed the locking of corer dish and sample platform bracket, realizes separating of corer dish and sampling thief;Whether corer dish electromagnetic locking mechanism switches on, and the determining positions of corer dish detected by corer dish location grating;Corer dish electromagnetic locking mechanism is identical with electromagnetic locking mechanism in drilling rod fixation kit;Driven unit comprises gear box support, gearbox-case, drilling rod motion driving shaft, spring, crossover sub, drilling rod disk drive shaft, corer disk drive shaft, corer dish drive gear set, bar dish drive gear set;The rotating shaft of corer dish, the rotating shaft of drilling rod dish, drilling rod disk drive shaft and a pair of independently bearing arrangement of the each freedom of corer disk drive shaft are fixed on and change on bar gear case, change bar gear case and are fixed on gear box support, and gearbox-case is positioned at outside gear case;Drilling rod disk drive shaft is enclosed within corer disk drive shaft, and both contact with one heart and not; The rotating shaft of drilling rod dish is enclosed within the rotating shaft of corer dish, and both contact with one heart and not;Drilling rod disk drive shaft is connected with the rotating shaft of drilling rod dish by drilling rod dish drive gear set, drives the rotating shaft of drilling rod dish to rotate;Corer disk drive shaft is connected with the rotating shaft of corer dish by corer dish drive gear set, drives corer dish rotating shaft rotation;Spring is positioned at drilling rod motion driving shaft periphery, and bottom is fixedly connected with drilling rod motion driving shaft, and top is fixedly connected with crossover sub, and crossover sub connects corer disk drive shaft, and spring is positioned at compressive state, makes crossover sub be positioned at corer disk drive shaft;Drilling rod motion driving shaft top is yi word pattern joint, and yi word pattern joint docks with drilling rod rotary disk driving shaft bottom, and the rotation of drilling rod motion driving shaft is with the rotation of drilling rod rotary disk driving shaft.
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| CN201410079460.8A CN103837373B (en) | 2014-03-05 | 2014-03-05 | A kind of multicore many bars deep lunar soil sampler change core pipe-rod changing mechanism |
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| CN201410079460.8A CN103837373B (en) | 2014-03-05 | 2014-03-05 | A kind of multicore many bars deep lunar soil sampler change core pipe-rod changing mechanism |
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| CN104314487A (en) * | 2014-09-28 | 2015-01-28 | 中煤邯郸特殊凿井有限公司 | Single-section drill rod fixing frame |
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| CN104535364A (en) * | 2014-12-27 | 2015-04-22 | 无锡中地地质装备有限公司 | Multi-point-concentrated electric soil sampling device |
| CN104535363A (en) * | 2014-12-27 | 2015-04-22 | 无锡中地地质装备有限公司 | Multipoint centralized soil sampler |
| CN107036842A (en) * | 2016-12-28 | 2017-08-11 | 中国科学院沈阳自动化研究所 | Extensible bionical sampler |
| CN111137473A (en) * | 2020-02-22 | 2020-05-12 | 深圳大学 | Lunar coring, prospecting and recycling device |
| WO2020258367A1 (en) * | 2019-06-27 | 2020-12-30 | 深圳大学 | Multi-stage large-depth drilling system and method for moon-based fidelity coring |
| CN117232890A (en) * | 2023-11-07 | 2023-12-15 | 北京建工环境修复股份有限公司 | Unmanned aerial vehicle sampling device for soil pollution treatment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104314487A (en) * | 2014-09-28 | 2015-01-28 | 中煤邯郸特殊凿井有限公司 | Single-section drill rod fixing frame |
| CN104535366A (en) * | 2014-12-27 | 2015-04-22 | 无锡中地地质装备有限公司 | Multipoint soil sampler |
| CN104535364A (en) * | 2014-12-27 | 2015-04-22 | 无锡中地地质装备有限公司 | Multi-point-concentrated electric soil sampling device |
| CN104535363A (en) * | 2014-12-27 | 2015-04-22 | 无锡中地地质装备有限公司 | Multipoint centralized soil sampler |
| CN107036842A (en) * | 2016-12-28 | 2017-08-11 | 中国科学院沈阳自动化研究所 | Extensible bionical sampler |
| WO2020258367A1 (en) * | 2019-06-27 | 2020-12-30 | 深圳大学 | Multi-stage large-depth drilling system and method for moon-based fidelity coring |
| US11821274B2 (en) | 2019-06-27 | 2023-11-21 | Shenzhen University | Moon-based in-situ condition-preserved coring multi-stage large-depth drilling system and method therefor |
| CN111137473A (en) * | 2020-02-22 | 2020-05-12 | 深圳大学 | Lunar coring, prospecting and recycling device |
| CN117232890A (en) * | 2023-11-07 | 2023-12-15 | 北京建工环境修复股份有限公司 | Unmanned aerial vehicle sampling device for soil pollution treatment |
| CN117232890B (en) * | 2023-11-07 | 2024-01-19 | 北京建工环境修复股份有限公司 | Unmanned aerial vehicle sampling device for soil pollution treatment |
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