CN104215483B - Deep-sea sediment pressure-maintaining sampling and transferring device and application method thereof - Google Patents

Deep-sea sediment pressure-maintaining sampling and transferring device and application method thereof Download PDF

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Publication number
CN104215483B
CN104215483B CN201410419344.6A CN201410419344A CN104215483B CN 104215483 B CN104215483 B CN 104215483B CN 201410419344 A CN201410419344 A CN 201410419344A CN 104215483 B CN104215483 B CN 104215483B
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unit
pressurize
pressure
end cap
claw
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CN104215483A (en
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陈家旺
葛晗
罗高生
刘俊波
顾临怡
吴新然
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention belongs to the field of deep-sea detection and research equipment, aiming at providing a deep-sea sediment pressure-maintaining sampling and transferring device and an application method thereof. The device comprises a clamping unit, a cutting unit, a pressure-maintaining subpackaging unit, a sample grabbing and push-pull unit and an adaptive pressure adjustment unit, wherein the clamping unit, the cutting unit, the pressure-maintaining subpackaging unit and the sample grabbing and push-pull unit are coaxially arrayed in sequence and are connected to the adaptive pressure adjustment unit. The deep-sea sediment pressure-maintaining sampling and transferring device has the beneficial effects that long columnar sample pipes and sediment samples in the long columnar sample pipes can be cut under a high-pressure environment, and the pressure fluctuation in the device during cutting can be kept below 15 percent. By adopting the deep-sea sediment pressure-maintaining sampling and transferring device, pressure-maintaining transferring of sub samples is realized, and other parts of the samples can be still in the pressure-maintaining environment and can be cut and reused.

Description

A kind of halmeic deposit gastight sampling transfer device and its application process
Technical field
The invention belongs to deep-sea detecting and research equipment field are and in particular to a kind of transfer of halmeic deposit gastight sampling fills Put and its application process.
Background technology
Halmeic deposit sampling is one of basic means of abyssal environment and resource investigation, real through the development of decades Trample, defined multiple effective sediment sampling modes, but the gastight sampling transfer equipment after sampling, develop slow always Slowly.
The device being presently used for sampling mainly includes following a few class:Multitube sampler, is sunk using gravity collection submarine surface Long-pending thing and its overlying water;Deep-sea dredge, for gathering suspended particulate substance;TV grab type sampler, for gathering Deposit and top layer mineral.The bottom sediment sample being gathered by above sampling apparatuses, due to bars such as pressure, temperature, illumination The change of part, easily causes the problems such as gas phase solvent components scatter and disappear, solid state component gasifies, organic principle decomposes, makes experimental data difficult To accurately reflect primitive component and the state of deposit.
In recent years, pressure tight sampling is increasingly paid attention to by international ocean, the natural gas hydration especially in deposit Thing, is commonly called as " combustible ice ", is a kind of high-quality and efficient fuel, can be used as high-grade energy.The formation of gas hydrates needs Formed it is desirable to have suitable temperature, pressure, gas saturation, the salinity of water, pH value etc. under certain condition, in big midocean, natural Gas hydrate is stablized in 0~1000m depth in deposit.Because gas hydrates are stable in the presence of certain cryogenic high pressure Under the conditions of so special physical performance, when exploiting the sea that rock core rises to normal temperature and pressure, the natural gas wherein containing Hydrate group branch wholly or largely decomposes, and does not reach exploration purpose in situ.
The existing halmeic deposit sampler of China can get deposit, water, gas and gas hydrates etc. at deep-sea Sample simultaneously carries out pressurize, and for the physical property of more preferable researching natural gas hydrate, sample is keeping the situation of Deep-sea high voltage Under by transferring to laboratory in situ, need whole pressurize, but the equipment of domestic temporary no secondary gastight sampling transfer, key link Shortage lead to research effect undesirable.Therefore, develop a set of gastight sampling transfer device docking with gastight sampling device, will Promote the research and development of China's natural gas hydrate gastight sampling transfer.This achievement in research can be applied not only to be hydrated items Mesh, can also be generalized to other comprehensive oceanographic survey projects effectively, be modern marine investigation field to higher, more smart The important means really detecting, has very wide application and promotion prospect.
Content of the invention
The technical problem to be solved in the present invention is to overcome deficiency of the prior art, provides a kind of halmeic deposit pressurize Sampling transfer device and its application process.
For solving technical problem, the solution of the present invention is:
There is provided a kind of halmeic deposit gastight sampling transfer device, including clamping unit, cutter unit, pressurize subpackage list Unit, sample crawl and push-and-pull unit and pressure adaptive adjustment unit, described clamping unit, cutter unit, pressurize subpackage unit, Sample crawl and push-and-pull unit sequentially coaxially arrange, and adjacent between connected by ball valve;
Described clamping unit, cutter unit, pressurize subpackage unit, sample crawl and push-and-pull unit pass through corresponding point respectively Bye-pass is connected to pressure adaptive adjustment unit;
Described cutter unit includes top box, pressure equaliser, rack, toothed disc, outer end cap, connecting tube nacelle, bullet Spring, bolt, cutter head and inner end cap;Described inner end cap, outer end cap, connecting tube nacelle are coaxial with top box, and outer end cap and top box it Between be bolt connection, be bolt connection between connecting tube nacelle and outer end cap, inner end cap is nested in top box;Described pressure balance Device includes balance lid, depression bar and gimballed base, and balance lid, gimballed base are coaxial with depression bar, and balance lid and gimballed base are equal It is provided with threaded coaxial hole;Described gimballed base is arranged in the screwed hole of top box, and between gimballed base and top box for screw thread even Connect, balance lid and be to threaded between gimballed base, described depression bar sequentially pass through by balance lid screwed hole and balance substrate Screwed hole is connected to inside top box;It is nested in the torus structure that the inner end cap within top box is in the parallel conical surface of upper and lower ends, and The upper and lower ends conical surface of inner end cap respectively with depression bar bottom, the sliding contact of cutter head end;Same between described toothed disc and outer end cap Axle and for threaded, rack one end is located in the perforate of top box, and the other end is located in the perforate of outer end cap, and rack passes through Gear in the middle of it is meshed with toothed disc;Several cross recesses are offered on described toothed disc, cutter head base is axially embedded in tooth In the cross recess of wheel disc, the perforate that bolt-through passes through on the flange of toothed disc is threadeded with cutter head, and in bolt and gear It is provided with spring, for shrinking cutter head between the flange of disk;
Described cutter unit is identical with the structure of clamping unit;
Described pressurize subpackage unit includes accumulator, pressurize nacelle and two ball valves, described two ball valves fixing peace respectively It is contained in the two ends of pressurize nacelle, described accumulator is fixedly mounted on pressurize nacelle one end;
Described pressure adaptive adjustment unit includes Stress control case, transmission line, pipeline, several stop valves and some Individual pressure transducer, is provided with accumulator in Stress control case, and described pipeline is divided into several branch lines, and each branched pipe Stop valve and pressure transducer are respectively equipped with road, described pressure transducer is connected to Stress control case by transmission line;Pressure Force transducer is used for collecting the pressure signal feedback in each branch line, when pressure divergence, by accumulator and each point Stop valve on bye-pass is adjusting pressure;
Described sample crawl and push-and-pull unit include claw, lead screw device and manipulate nacelle, and described claw is filled by screw mandrel Put with to manipulate nacelle coaxially connected, described claw includes pushing cylinder, threaded rod, nut sleeve, feed rotary head, stop screw, push rod, cunning Bar, push rod rotating shaft, holding screw and needle exchange;Be to threaded between described pushing cylinder and nut sleeve, feed rotary head and threaded rod it Between be threaded, and be fed rotary head front end be embedded between nut sleeve and pushing cylinder, described threaded rod is nested in by pushing cylinder, nut sleeve With feed brick is connected with each other between the cylinder of composition;Stop screw is connected to the limit on threaded rod by the screwed hole on pushing cylinder In the groove of position, for limiting moving forward and backward of threaded rod;Holding screw passes through push rod and runs through in the screw being connected to push rod rotating shaft, Push rod rotating shaft and push rod are fixed on the front end of threaded rod;Needle exchange is nested in the top of push rod, and slide bar is connected perpendicularly to push rod Top, and slide bar is nested in the cross recess of pushing cylinder front end, for limiting the direction of motion of push rod.
In the present invention, described toothed disc offers four cross recesses, described four cutter heads are former with the axle center of toothed disc Point symmetry, is embedded in corresponding cross recess respectively.
In the present invention, described top box is in hollow circular cylinder structure, and top box, toothed disc, outer end cap, connecting tube nacelle, interior End cap, the cross section of gimballed base are annular.
In the present invention, described depression bar lower end offers pod apertures, and depression bar upper end cross section is circle.
In the present invention, the parallel conical surface of upper and lower ends of described inner end cap is horizontal by 45° angle.
In the present invention, described pushing cylinder, nut sleeve, the cross section of feed rotary head are annular, described threaded rod, spacing spiral shell Nail, needle exchange, slide bar, the cross section of push rod rotating shaft are circle, and the cross section of push rod is square.
In the present invention, described threaded rod front end is connected with four equally distributed push rods.
In the present invention, also provide a kind of application process based on described halmeic deposit gastight sampling transfer device, including Following steps:
Step 1:Docking operation:Sampler is docked with gastight sampling transfer device, and now each ball valve is in closing shape State, opens each stop valve, and pressure adaptive adjustment unit is by each branch line to each nacelle in gastight sampling transfer device Cabin in plus-pressure, each pressure transducer detects and returns data into Stress control case, and device to be sampled and gastight sampling turn When pressure in moving device is consistent, stop pressurization;
Step 2:Crawl process:
After sampler is consistent with the pressure in gastight sampling transfer device, open each ball valve, capture in sample and push away Draw in unit, the claw positioned at lead screw device top, under the promotion of lead screw device, sequentially passes through pressurize subpackage unit, cutting list Unit, clamping unit, enter sampler, after contacting with sample cell, claw moves on and stops after d, and wherein d is in sample cell Footpath, unit is mm;
Then turn depression bar rotating down pressing, act on the conical surface of inner end cap, so that inner end cap is moved to cutter head direction and lead to Crossing the conical surface makes cutter head push, thus cutter head blocks the feed rotary head of claw;Start the external motor of clamping unit, motor drives tooth Wheel bar rotation, thus gear disc spins and carry dynamic cutter head rotate, because cutter head has blocked feed rotary head, thus driving feed rotary head Rotation;
Due to being to threaded between feed rotary head and threaded rod, thus driving threaded rod to travel forward relative to pushing cylinder;By In push rod one end, threaded rod front end is fixed on by push rod rotating shaft, the horizontal plug in slide bar in push rod front end is embedded in inside the cross recess of pushing cylinder One end, therefore slide bar will be moved to cross recess lateral ends under the promotion of threaded rod;Common work in push rod rotating shaft and slide bar With under make push rod and needle exchange is ejected cross recess on pushing cylinder, needle exchange is headed in sample bushing pipe;When claw enters seized condition When, feed rotary head is in rotary course, and stop screw moves to claw afterbody in stopper slot, until during stopper slot end, Stop the rotation feed rotary head, now push rod is vertical with threaded rod, and needle exchange has goed deep into sample bushing pipe;
Hold after sample cell, reversely turn depression bar, so that depression bar is rotated up, now inner end cap no longer presses cutter head end, This device inner teeth wheel flange of clamping with threaded cutter head bolt between spring effect under, cutter head is convex to toothed disc Edge direction is shunk, thus departing from the feed rotary head of claw;Lead screw device adverse movement, drives claw and sample cell to pass through clamping list Unit, moves together to cutter unit direction;
Step 3:Cutting process:Stop at cutter unit certain length D in claw and sample cell front end, wherein D is to treat The subsample length of cutting, unit is mm;
Start the external motor of cutter unit, motor driven gear bar rotates, thus gear disc spins and drive four solid It is scheduled on the cutter head rotation in the cross recess of toothed disc, then turns depression bar rotating down pressing, act on the conical surface of inner end cap, make the inner Cover and move through the conical surface to cutter head direction and so that cutter head is pushed;Cutter head in cutter unit depression bar rotation descending effect under not Disconnected deep extruding sample cell, from outside to inside, first cutting sample pipe, cuts halmeic deposit therein again;
Step 4:Transfer process:After the completion of subsample cutting, now claw is still held subsample;Claw is in lead screw device Under driving, subsample is driven to move to pressurize subpackage cell orientation, stop motion when reaching pressurize subpackage unit;
Step 5:Disengaging process:After subsample reaches pressurize subpackage unit, the needle exchange of claw front end departs from sample cell first, Then under the driving of lead screw device, claw departs from sample cell, and removes pressurize subpackage unit, returns sample crawl and pushes Unit;Close two ball valves at pressurize subpackage unit two ends, and close the ball valve between cutter unit and pressurize subpackage unit, unload Except pressurize subpackage unit, complete second son acquisition operations;
Step 6:Reinstall pressurize subpackage unit process:Between sample crawl and push-and-pull unit and cutter unit, weight New installation pressurize subpackage unit, supplements in the cabin of the pressurize nacelle to pressurize subpackage unit for the pressure adaptive adjustment unit and adds Pressure, till the cabin room pressure with other nacelle is identical, repeat step 2~step 5, realize multiple repairing weld.
Compared with prior art, the invention has the beneficial effects as follows:
Halmeic deposit sediment pressure maintaining using the present invention samples transfer device, enables under environment under high pressure to long column The cutting of shape sample cell and wherein sediment sample, and in cutting, the pressure oscillation in device can be maintained at less than 15%. This device enables the pressurize transfer of subsample, and sample other parts are still in pressurize environment simultaneously, can cut again Cut utilization.Compare other equipment, in the gastight sampling of continuous several times shifts, sampler does not need to move it is only necessary to more renew Pressurize subpackage cabin.
Brief description
Fig. 1 is the schematic diagram that halmeic deposit sediment pressure maintaining of the present invention samples transfer device;
Fig. 2 is the schematic elevation view of present invention depth deposit gastight sampling transfer device;
Fig. 3 is the workflow diagram of halmeic deposit gastight sampling transfer device of the present invention;
Fig. 4 is the schematic diagram of the clamping unit of halmeic deposit gastight sampling transfer device of the present invention;
Fig. 5 is the schematic diagram of the cutter unit of halmeic deposit gastight sampling transfer device of the present invention;
Fig. 6 is the schematic diagram of the pressurize subpackage unit of halmeic deposit gastight sampling transfer device of the present invention;
Fig. 7 is the sample crawl of halmeic deposit gastight sampling transfer device of the present invention and the schematic diagram of push-and-pull unit;
Fig. 8 is the sample crawl of halmeic deposit gastight sampling transfer device of the present invention and the claw of push-and-pull unit is illustrated Figure;
Fig. 9 is the schematic diagram of the pressure adaptive adjustment unit of halmeic deposit gastight sampling transfer device of the present invention;
Reference:
1. sampler samples device, 2. clamping unit, 3. cutter unit, 4. pressurize subpackage unit, 5. sample crawl and push-and-pull Unit, 6. standby pressurize subpackage unit, 7. pressure adaptive adjustment unit, 8. ball valve I, 9. ball valve II, 10. ball valve III;
200 top boxs, 201 balance lids, 202 depression bars, 203 gimballed bases, 204 racks, 205 inner end cap, 206 cutter heads, 207 Toothed disc, 208 outer end caps, 209 connecting tube nacelle, 210 springs, 211 bolts;
300 top boxs, 301 balance lids, 302 depression bars, 303 gimballed bases, 304 racks, 305 inner end cap, 306 cutter heads, 307 Toothed disc, 308 outer end caps, 309 connecting tube nacelle, 310 springs, 311 bolts;
400 ball valves IV, 401 pressurize nacelle, 402 ball valves V, 403 accumulators I;500 claws, 501 lead screw device, 502 behaviour Vertical nacelle;5000 stopper slots, 5001 pushing cylinders, 5002 threaded rods, 5003 nut sleeve, 5004 feed rotary heads, 5005 stop screws, 5006 push rods, 5007 slide bars, 5008 push rod rotating shafts, 5009 holding screws, 5010 needle exchanges, 5011 cross recesses;700 pressure transducers Ith, 701 pressure transducers II, 702 pressure transducers III, 703 pressure transducers IV, 704 pressure transducers V, 705 stop valves I, 706 stop valves II, 707 stop valves III, 708 pipelines, 709. stop valves IV, 710 transmission lines, 711 Stress control casees, 712. sections Only valve V.
Specific embodiment
Below example can make the technical staff of this professional skill field more fully understand the present invention, but not to appoint Where formula limits the present invention.
As shown in Figure 1, 2, halmeic deposit gastight sampling transfer device of the present invention is single including clamping unit 2, cutting Unit 3, pressurize subpackage unit 4, sample crawl and push-and-pull unit 5, pressure adaptive adjustment unit 7 and several standby pressurizes divide Dress unit 6, described clamping unit 2, cutter unit 3, pressurize subpackage unit 4, sample crawl and push-and-pull unit 5 are sequentially coaxially arranged Row, wherein, sampler 1, ball valve I 8, clamping unit 2, ball valve II 9, cutter unit 3, ball valve III 10, pressurize subpackage unit 4 and sample Use bolt coaxially connected between product crawl and push-and-pull unit 5 successively.Pressure adaptive unit 7 passes through pipeline and sampler 1, clamping Unit 2, cutter unit 3, pressurize subpackage unit 4, sample crawl and push-and-pull unit 5 connect.
As shown in figure 4, the clamping unit 2 of the halmeic deposit gastight sampling transfer device in the present invention, clamping unit 2 wraps Include top box 200, balance lid 201, depression bar 202, gimballed base 203, rack 204, inner end cap 205, cutter head 206, toothed disc 207th, outer end cap 208, connecting tube 209, spring 210 and bolt 211;Described inner end cap 205, outer end cap 208, connecting tube 209 with Top box 200 is coaxial, and is bolt connection between outer end cap 208 and top box 200, is bolt between connecting tube 209 and outer end cap 208 Connect, inner end cap 205 is nested in top box 200;Pressure equaliser is by gimballed base 203, balance lid 201 and 202 groups of depression bar Become, and balance lid 201, gimballed base 203 are coaxial with depression bar 202, balance lid 201 and gimballed base 203 are equipped with coaxial threaded Hole;Described gimballed base 203 is arranged in the screwed hole of top box 200, and between gimballed base 203 and top box 200 for screw thread even Connect, balance lid 201 is connected to inside top box with gimballed base 203;It is nested in the inner end cap 205 within top box 200, in upper and lower two The parallel torus structure of end cone face, and the upper and lower ends conical surface respectively with depression bar 202 end, cutter head 206 end sliding contact;Institute State toothed disc 207 coaxial with outer end cap 208 and for threadeding, rack 204 one end is located in the perforate of top box 200, another End is located in the perforate of outer end cap 208, thus fixed gear bar 204 position, rack 204 is by the gear in the middle of it and gear Disk 207 is meshed;Several cross recesses are offered on described toothed disc 207, cutter head 206 bottom is axially embedded in toothed disc 207 In cross recess, the perforate that bolt 211 extends through on the flange of toothed disc 207 is connected with cutter head 206 nose threads, and in bolt It is provided with spring 210 between 211 and the flange of toothed disc 207, is in compressive state, for shrinking cutter head 206, when external motor band During moving gear bar 204 rotation, toothed disc 207 then can drive four cutter head 206 axial-rotations, thus cutting sample pipe.As excellent Choosing, external motor is connected with clamping unit 2 gear.
Described clamping unit 2 has two kinds of functions, function one:Clamping unit 2 is used in cutter unit 3 cutting sample pipe, Clamping sample cell being pushed by cutter head 206, stoping sample cell from rotating, thus smoothly completing cutting;Function two:Clamping unit 2 For the claw 500 in sample crawl and push-and-pull unit 5 when capturing sample, clamping is located at the feed rotary head of claw 500 tail end 5004, and under the driving of external motor, drive feed rotary head 5004 to rotate, so that the thimble 5006 of claw 500 front end is pushed up Go out, in insertion sample cell, thus completing sample cell crawl.(between the feed rotation of rotary head 5004 and thimble 5006 are ejected Be connected relation, has detailed description in the step (2) of operating process below)
As shown in figure 5, cutter unit 3 is identical with clamping unit 2 structure, both functionally basic simlarity, operating process Basically identical, only cutter head pushes and rotates two actions with cutter head.
Described cutter unit 3, starts external motor, motor will drive rack 304 to rotate, thus toothed disc 307 rotates And drive the cutter head 306 in four cross recesses being fixed on toothed disc 307 to rotate.Manually turn pressure 302 bar rotation with spanner again Push, act on the conical surface of inner end cap 305, making inner end cap 305 move through the conical surface to cutter head 306 direction makes cutter head 306 Push.Cutter head 306 in cutter unit 3 constantly deeply extrudes sample cell under the descending effect of rotation of depression bar 302, by outer Interior, first cutting sample pipe, cut halmeic deposit therein again.
Clamping unit 2 is captured with sample and the connection matching relationship of push-and-pull unit 5 is:In cutter head 206 during pushing, Block the feed rotary head 5004 of claw 500 structure.
As shown in fig. 6, the pressurize subpackage unit 4 of the halmeic deposit gastight sampling transfer device in the present invention, including ball Valve IV 400, pressurize nacelle 401, ball valve V 402, accumulator I 403;Ball valve IV 400, ball valve V 402 are fixed on pressurize nacelle 401 Two ends, as the turnover sample channel of pressurize subpackage unit during opening, be used for during closed mode maintaining pressurize nacelle 401 The pressure of interior 30MPa~35MPa.Accumulator I 403 is fixed on pressurize nacelle 401 one end, for maintaining and adjusting pressurize subpackage list High pressure in unit 4.
As shown in fig. 7, the sample crawl of halmeic deposit gastight sampling transfer device in the present invention and push-and-pull unit 5 are wrapped Include claw 500, lead screw device 501, manipulate nacelle 502;Claw 500 is located at lead screw device 501 front end, is used for holding or departs from sample QC, thus sample cell is coupled together with lead screw device 501.Lead screw device 501 is located at and manipulates in nacelle 502, for outside Put under the driving of motor, control advance, the setback of claw 500.
As shown in figure 8, the sample crawl of halmeic deposit gastight sampling transfer device in the present invention and push-and-pull unit 5 Claw 500 include pushing cylinder 5001, threaded rod 5002, nut sleeve 5003, feed rotary head 5004, stop screw 5005, push rod 5006, Slide bar 5007, push rod rotating shaft 5008, holding screw 5009 and needle exchange 5010;It is spiral shell between described pushing cylinder 5001 and nut sleeve 5003 Stricture of vagina connects, and is to threaded between feed rotary head 5004 and threaded rod 5002, and feed rotary head 5004 front end is embedded in nut sleeve Between 5003 and pushing cylinder 5001, can only rotate it is impossible to carry out translational motion;Described threaded rod 5002 be nested in by pushing cylinder 5001, Nut sleeve 5003 and feed rotary head 5004 are connected with each other between the cylinder of composition;Stop screw 5005 passes through the spiral shell on pushing cylinder 5001 Pit is connected in the stopper slot 5000 on (insertion) threaded rod 5002, for limiting moving forward and backward of threaded rod 5002;Tightening Screw 5009 passes through (screw-in) push rod 5006 and runs through in the screw being connected to push rod rotating shaft 5008, by push rod rotating shaft 5008 and top Bar 5006 is fixed on the front end of threaded rod 5002;Needle exchange 5010 is nested in the top of push rod 5006, and slide bar 5007 is connected perpendicularly to The top of push rod 5006, and slide bar 5007 is nested in the cross recess 5011 of pushing cylinder 5001 front end, for limiting push rod 5006 The direction of motion.
As shown in figure 9, the pressure adaptive unit 7 of the halmeic deposit gastight sampling transfer device in the present invention includes pressing Force transducer I 700, pressure transducer II 701, pressure transducer III 702, pressure transducer IV 703, pressure transducer V 704, Stop valve I 705, stop valve II 706, stop valve III 707, pipeline 708, stop valve IV 709, transmission line 710, Stress control case 711st, stop valve V 712.Pressure transducer I~V (700,701,702,703,704) is located in each branch line 708, uses In the cabin room pressure detecting each pipeline and its connected nacelle (209,309,401,502), and will be believed by transmission line 710 Number it is back to Stress control case 711.Stress control case 711 is contained within PLC, display screen etc., and by transmission line 710 and cut-off Valve I~V (705,706,707,708,709), pressure transducer I~V (700,701,702,703,704) are connected.Pressure control Also contain accumulator in case 711 processed, for maintain and adjust 30MPa in the cabin of each nacelle (209,309,401,502)~ 35MPa pressure.
The work process of the halmeic deposit gastight sampling transfer device of the present invention is as shown in Figure 3:
Step (1) docking operation:Sampler 1 is docked with gastight sampling transfer device, now ball valve I~V (8,9,10, 400th, 402) it is in closed mode.Open stop valve I~V (705,706,707,708,709), pressure adaptive adjusts single Unit 7 by each branch line 708 to plus-pressure in the cabin of each nacelle in gastight sampling transfer device, pressure transducer I Stress control case 711 is detected and returned data in~V (700,701,702,703,704), and device 1 to be sampled is turned with gastight sampling When pressure in moving device is consistent, stop pressurization.
Step (2) captures process:After pressure is consistent, ball valve I~V (8,9,10,400,402) is all opened, and grabs in sample Take and push-and-pull unit 5 in, the claw 500 positioned at lead screw device 501 top, under the promotion of lead screw device 501, sequentially passes through guarantor Pressure subpackage unit 4, cutter unit 3, clamping unit 2, enter sampler 1, after contacting with sample cell, claw 500 move on away from Stop after d (d is sample bore, and unit is mm).Now, manually turn depression bar 202 rotating down pressing with spanner, act on interior On the conical surface of end cap 205, making inner end cap 205 move through the conical surface to cutter head 206 direction makes cutter head 206 push, thus cutter head The 206 feed rotary heads 5004 blocking claw 500.Start the external motor of clamping unit 2, motor driven gear bar 204 rotates, from And toothed disc 207 rotates and carries dynamic cutter head 206 to rotate.Because cutter head 206 has blocked feed rotary head 5004, thus driving feed to turn 5004 rotations;
Due to being to threaded between feed rotary head 5004 and threaded rod 5002, thus driving threaded rod 5002 pushing cylinder relatively 5001 travel forward;Because push rod 5006 one end is fixed on threaded rod 5002 front end, push rod 5006 front end by push rod rotating shaft 5008 Horizontal plug in slide bar 5007 is embedded in cross recess 5011 inner opposite end of pushing cylinder 5001, and therefore slide bar 5007 is by threaded rod 5002 Move to cross recess 5011 lateral ends under promotion;Make push rod 5006 under the collective effect with slide bar 5007 for the push rod rotating shaft 5008 It is ejected the cross recess 5011 on pushing cylinder 5001 with needle exchange 5010, needle exchange 5010 is headed in sample bushing pipe;When claw 500 enters During seized condition, feed rotary head 5004 is in rotary course, and stop screw 5005 is in stopper slot 5000 to claw 500 afterbody Mobile, until during stopper slot 5000 end, feed rotary head 5004 of stopping the rotation, now push rod 5006 is vertical with threaded rod 5002 Directly, needle exchange 5010 has goed deep into sample bushing pipe;
Hold after sample cell, manually reversely turn depression bar 202 with spanner, so that depression bar 202 is rotated up, now inner end cap 205 no longer press cutter head 206 end, clamping unit 2 inner teeth wheel disc 207 flange with threaded the bolt 211 of cutter head 206 Between spring 210 effect under, cutter head 206 to toothed disc 207 flange direction shrink, thus departing from the feed rotary head of claw 500 5004.Lead screw device 501 adverse movement, drives claw 500 and sample cell to pass through clamping unit 2, to cutter unit 3 direction together Mobile.
Step (3) cutting process:Stop, herein at cutter unit 3 certain distance D in claw 500 and sample cell front end It is the subsample length needing cutting apart from D, unit is mm;Artificial spanner turns under depression bar 202 rotation of clamping unit 2 Pressure, acts on 45 ° of conical surfaces of inner end cap 205, making inner end cap 205 move through the conical surface to cutter head 206 direction makes cutter head 206 Push, thus cutter head 206 clamping sample cell;
Start the external motor of cutter unit 3, motor driven gear bar 304 rotates, thus toothed disc 307 rotates and drives Four cutter heads being fixed in the cross recess of toothed disc 307 306 rotate.Manually turn pressure 302 bar rotating down pressings with spanner again, make On the conical surface of inner end cap 305, making inner end cap 305 move through the conical surface to cutter head 306 direction makes cutter head 306 push.Cut The cutter head 306 cutting in unit 3 constantly deeply extrudes sample cell under the descending effect of rotation of depression bar 302, from outside to inside, first cuts Cut sample cell, cut halmeic deposit therein again.
Step (4) transfer process:After the completion of subsample cutting, now claw 500 is still held subsample.Claw 500 is in silk Under the driving of lever apparatus 501, subsample is driven to move to pressurize subpackage unit 4 direction, stop motion during arrival.
Step (5) departs from process:After subsample reaches pressurize subpackage unit 4, the needle exchange 5010 of claw 500 front end is de- first From sample cell, then again under the driving of lead screw device 501, claw 500 departs from sample cell, and removes pressurize subpackage unit 4, returns The crawl of counter sample product and push unit 5.Close ball valve IV 400, the ball valve V 402 at pressurize subpackage unit 4 two ends, and close ball valve III 10, removal pressurize subpackage unit 4, complete second son acquisition operations.
Step (6) reinstalls pressurize subpackage unit process:Between sample crawl and push-and-pull unit 5 and cutter unit 3, Reinstall new pressurize subpackage unit 4, the cabin of the pressurize nacelle 401 to pressurize subpackage unit 4 for the pressure adaptive adjustment unit 7 Indoor supplement is pressurizeed, until identical with the cabin room pressure of other nacelle (209,309,502).Repeat process step (2)~step Suddenly (5), realize multiple repairing weld.
Therefore, the actual range of the present invention not only includes the disclosed embodiments, is additionally included in real under claims Apply or execute all equivalents of the present invention.

Claims (8)

1. a kind of halmeic deposit gastight sampling transfer device, including clamping unit it is characterised in that also include cutter unit, Pressurize subpackage unit, sample crawl and push-and-pull unit and pressure adaptive adjustment unit, described clamping unit, cutter unit, guarantor Pressure subpackage unit, sample crawl and push-and-pull unit sequentially coaxially arrange, and adjacent between connected by ball valve;
Described clamping unit, cutter unit, pressurize subpackage unit, sample crawl and push-and-pull unit pass through corresponding branched pipe respectively Road is connected to pressure adaptive adjustment unit;
Described clamping unit includes top box, pressure equaliser, rack, toothed disc, outer end cap, connecting tube nacelle, spring, spiral shell Bolt, cutter head and inner end cap;Described inner end cap, outer end cap, connecting tube nacelle are coaxial with top box, and are spiral shell between outer end cap and top box Tether and connect, be bolt connection between connecting tube nacelle and outer end cap, inner end cap is nested in top box;Described pressure equaliser bag Include balance lid, depression bar and gimballed base, and it is coaxial with depression bar to balance lid, gimballed base, balance lid and gimballed base are equipped with same Axle thread hole;Described gimballed base is arranged in the screwed hole of top box, and is to threaded between gimballed base and top box, balance Lid be to threaded between gimballed base, described depression bar sequentially passes through by balancing lid screwed hole and balance substrate screwed hole even It is connected to inside top box;It is nested in the torus structure that inner end cap within top box is in the parallel conical surface of upper and lower ends, and inner end cap The upper and lower ends conical surface respectively with depression bar bottom, the sliding contact of cutter head end;Between described toothed disc and outer end cap coaxial and be spiral shell Stricture of vagina connects, and rack one end is located in the perforate of top box, and the other end is located in the perforate of outer end cap, and rack is by its centre Gear is meshed with toothed disc;Several cross recesses are offered on described toothed disc, cutter head base is axially embedded in the ten of toothed disc In word groove, the perforate that bolt-through passes through on the flange of toothed disc is threadeded with cutter head, and the flange in bolt and toothed disc Between be provided with spring, for shrinking cutter head;
Described cutter unit is identical with the structure of clamping unit;
Described pressurize subpackage unit includes accumulator, pressurize nacelle and two ball valves, and described two ball valves are respectively and fixedly installed to The two ends of pressurize nacelle, described accumulator is fixedly mounted on pressurize nacelle one end;
Described pressure adaptive adjustment unit includes Stress control case, transmission line, pipeline, several stop valves and several pressures Force transducer, is provided with accumulator in Stress control case, and described pipeline is divided into several branch lines, and on each branch line It is respectively equipped with stop valve and pressure transducer, described pressure transducer is connected to Stress control case by transmission line;
The crawl of described sample and push-and-pull unit include claw, lead screw device and manipulate nacelle, described claw pass through lead screw device with Manipulate nacelle coaxially connected, described claw include pushing cylinder, threaded rod, nut sleeve, feed rotary head, stop screw, push rod, slide bar, Push rod rotating shaft, holding screw and needle exchange;It is to threaded between described pushing cylinder and nut sleeve, between feed rotary head and threaded rod be Threaded, and be fed rotary head front end be embedded between nut sleeve and pushing cylinder, described threaded rod be nested in by pushing cylinder, nut sleeve and to Enter between the cylinder that brick is connected with each other composition;Stop screw is connected to the stopper slot on threaded rod by the screwed hole on pushing cylinder In, for limiting moving forward and backward of threaded rod;Holding screw passes through push rod and runs through in the screw being connected to push rod rotating shaft, will push up Bar rotating shaft and push rod are fixed on the front end of threaded rod;Needle exchange is nested in the top of push rod, and slide bar is connected perpendicularly to the top of push rod, And slide bar is nested in the cross recess of pushing cylinder front end, for limiting the direction of motion of push rod.
2. the gastight sampling transfer device according to claim 1 is it is characterised in that offer four on described toothed disc Cross recess, four described cutter heads, with the axle center of toothed disc as origin symmetry, are embedded in corresponding cross recess respectively.
3. the gastight sampling transfer device according to claim 1 is it is characterised in that described top box is in hollow circular cylinder knot Structure, and top box, toothed disc, outer end cap, connecting tube nacelle, inner end cap, the cross section of gimballed base are annular.
4. the gastight sampling transfer device according to claim 1 is it is characterised in that described depression bar lower end offers water conservancy diversion Hole, depression bar upper end cross section is circle.
5. the gastight sampling transfer device according to claim 1 is it is characterised in that the upper and lower ends of described inner end cap are put down The row conical surface is horizontal by 45° angle.
6. the gastight sampling transfer device according to claim 1 it is characterised in that described pushing cylinder, nut sleeve, feed turn The cross section of head is annular, and described threaded rod, stop screw, needle exchange, slide bar, the cross section of push rod rotating shaft are circle, The cross section of push rod is square.
7. the gastight sampling transfer device according to claim 1 is it is characterised in that described threaded rod front end is connected with four Individual equally distributed push rod.
8. a kind of application process based on the transfer device of halmeic deposit gastight sampling described in claim 1 it is characterised in that Described application process comprises the steps:
Step 1:Docking operation:Sampler is docked with gastight sampling transfer device, and now each ball valve is in closed mode, beats Open each stop valve, pressure adaptive adjustment unit by cabin from each branch line to each nacelle in gastight sampling transfer device Interior pressurization, each pressure transducer detects and returns data into Stress control case, in device to be sampled and gastight sampling transfer device Pressure consistent when, stop pressurization;
Step 2:Crawl process:
After sampler is consistent with the pressure in gastight sampling transfer device, open each ball valve, in sample crawl and push-and-pull list Unit in, the claw positioned at lead screw device top under the promotion of lead screw device, sequentially pass through pressurize subpackage unit, cutter unit, Clamping unit, enters sampler, after contacting with sample cell, claw moves on and stops after d, and wherein d is sample bore, Unit is mm;
Then turn depression bar rotating down pressing, act on the conical surface of inner end cap, make inner end cap move through cone to cutter head direction Face makes cutter head push, thus cutter head blocks the feed rotary head of claw;Start the external motor of clamping unit, motor driven gear bar Rotation, thus gear disc spins and carry dynamic cutter head rotate, because cutter head has blocked feed rotary head, thus drive feed rotary head rotation Turn;
Due to being to threaded between feed rotary head and threaded rod, thus driving threaded rod to travel forward relative to pushing cylinder;Due to top Bar one end is fixed on threaded rod front end by push rod rotating shaft, and the horizontal plug in slide bar in push rod front end is embedded in one inside the cross recess of pushing cylinder End, therefore slide bar will be moved to cross recess lateral ends under the promotion of threaded rod;Collective effect in push rod rotating shaft and slide bar Under make the cross recess that push rod and needle exchange are ejected on pushing cylinder, needle exchange is headed in sample bushing pipe;When claw enters seized condition, Feed rotary head is in rotary course, and stop screw moves to claw afterbody in stopper slot, until during stopper slot end, stopping Rotation feed rotary head, now push rod is vertical with threaded rod, and needle exchange has goed deep into sample bushing pipe;
Hold after sample cell, reversely turn depression bar, so that depression bar is rotated up, now inner end cap no longer presses cutter head end, in card This device inner teeth wheel flange tight with threaded cutter head bolt between spring effect under, cutter head is to toothed disc flange side To contraction, thus departing from the feed rotary head of claw;Lead screw device adverse movement, drives claw and sample cell to pass through clamping unit, Move together to cutter unit direction;
Step 3:Cutting process:Stop at cutter unit certain length D in claw and sample cell front end, wherein D is to be cut Subsample length, unit be mm;
Start the external motor of cutter unit, motor driven gear bar rotates, thus gear disc spins drive four to be fixed on Cutter head rotation in the cross recess of toothed disc, then turns depression bar rotating down pressing, acts on the conical surface of inner end cap, make inner end cap to Cutter head direction moves through the conical surface makes cutter head push;Cutter head in cutter unit is continuous under the descending effect of rotation of depression bar Deeply extrude sample cell, from outside to inside, first cutting sample pipe, cut halmeic deposit therein again;
Step 4:Transfer process:After the completion of subsample cutting, now claw is still held subsample;Claw is in the driving of lead screw device Under, drive subsample to move to pressurize subpackage cell orientation, stop motion when reaching pressurize subpackage unit;
Step 5:Disengaging process:After subsample reaches pressurize subpackage unit, the needle exchange of claw front end departs from sample cell, then first Under the driving of lead screw device, claw departs from sample cell, and removes pressurize subpackage unit, returns sample crawl and pushes single Unit;Close two ball valves at pressurize subpackage unit two ends, and close the ball valve between cutter unit and pressurize subpackage unit, removal Pressurize subpackage unit, completes second son acquisition operations;
Step 6:Reinstall pressurize subpackage unit process:Between sample crawl and push-and-pull unit and cutter unit, again pacify Dress pressurize subpackage unit, supplements pressurization, directly in the cabin of the pressurize nacelle to pressurize subpackage unit for the pressure adaptive adjustment unit To the cabin room pressure with other nacelle is identical, repeat step 2~step 5, realize multiple repairing weld.
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