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.