CN205778651U - A kind of probing hydraulic pressure rock core card fetching is put - Google Patents

A kind of probing hydraulic pressure rock core card fetching is put Download PDF

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Publication number
CN205778651U
CN205778651U CN201620699887.2U CN201620699887U CN205778651U CN 205778651 U CN205778651 U CN 205778651U CN 201620699887 U CN201620699887 U CN 201620699887U CN 205778651 U CN205778651 U CN 205778651U
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China
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hydraulic pressure
ring
card
water
pressure
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CN201620699887.2U
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Chinese (zh)
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郝志斌
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CCCC FHDI Engineering Co Ltd
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CCCC FHDI Engineering Co Ltd
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Abstract

The utility model discloses a kind of probing hydraulic pressure rock core card fetching to put, including water proof transfer gear, water conservancy diversion position-limit mechanism, storage press mechanism, Ti Yin injection pressure mechanism, hydraulic pressure card concentric mechanism, side spray drill bit transfer gear and sealing system, water conservancy diversion position-limit mechanism docking water proof transfer gear, storage press mechanism docking water conservancy diversion position-limit mechanism, Ti Yin injection pressure mechanism docking storage press mechanism, hydraulic pressure card concentric mechanism docking Ti Yin injection pressure mechanism, side spray drill bit transfer gear docking hydraulic pressure card concentric mechanism.This utility model can realize with two-tube drilling tool, cord coring drill directly with the use of, realize complicated difficult coring formation loose, broken etc. to weakness and be up to the core-taking rate of 100%, in addition provide full-automatic three-dimensional stress card to take binding based on hydraulic pressure and control rock core, coordinate the conventional card heart to cut center device simultaneously, there is high-reliability, height cores efficiency, height cores quality, high core recovery percentage, be suitable for the features such as stratum is wide, automatization's performance is good.

Description

A kind of probing hydraulic pressure rock core card fetching is put
Technical field
This utility model relates to rock (ore deposit) heart card fetching of core drilling and puts, particularly relate to one be applicable to weak loose, Rock (ore deposit) heart card fetching that stratigraphical drilling smashed to pieces is cored is put.
Background technology
Drilling technique is as the currently the only exploratory techniques method that can take out entity rock forming mineral sample from underground, in routine Solid resources exploration such as geology is crept into, New gaseous energy generaI investigation such as Oil/gas Well is crept into, earth science research such as probes into the earth Science Drilling that history is carried out, Environmental Scientific Drilling etc., present the important function that drilling technique means can not be substituted.And it is current Drilling environment faced by is seted out to deep from the shallow layer surface easily excavated, faced by situation will be resource difficulty find, difficult Dig, height above sea level is higher and land turns to ocean, lake, and drilling efficiency and quality are proposed higher requirement.And true and reliable ground The acquisition of matter data relies on the ability of drilling technique reply varying environment condition, and the most already present drilling equipment, technology exist Reply deep hole bad ground, as hard, crisp, broken, leak, collapse, the troublesome zone drilling such as weak loose easy erosion is cored and be there is very disaster Degree.Although this type of troublesome zone drilling efficiency is low, core recovery percentage solving at present Combination nova drilling tool, technique engineering method Low, drilling quality is poor, bit life is low, the problems such as accident is many, drilling cost is high at the bottom of hole obtain certain effect, but weak loose, Broken bad ground difficulty problem of coring is waited the most thoroughly to effect a radical cure.The problem that the rate that how to solve to core in smashed to pieces, soft stratum is low, The difficult problem that always home and abroad drilling field is urgently to be resolved hurrily.
Although single tube can improve without pump drill tool adopts heart rate in smashed to pieces, soft stratum, but drills through the heart because to carry, construct Efficiency is low, and labor intensity is big, and frequently carrying brill affects hole wall stably.Pouch more piece cluster core drill from drilling tool water proof fidelity, Rock core card takes principle aspect and improves, and it is scattered for changing whole, and to improving, the bad ground such as smashed to pieces, weak effect of coring is notable, but Reliability and automatization's performance etc. need to be improved further.
Utility model content
The technical problems to be solved in the utility model is the defect for prior art, it is provided that one can improve smashed to pieces, The bad ground such as weak is cored efficiency, quality of coring and the suitability is wide, reliability is high, versatility is good, automaticity is high brill Spy hydraulic pressure rock core card fetching is put.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that a kind of probing hydraulic pressure rock core card takes Device, it is characterised in that: include water proof transfer gear, water conservancy diversion position-limit mechanism, storage press mechanism, Ti Yin injection pressure mechanism, the hydraulic pressure card heart Mechanism, side spray drill bit transfer gear and sealing system, water conservancy diversion position-limit mechanism docking water proof transfer gear, storage press mechanism docking water conservancy diversion Position-limit mechanism, Ti Yin injection pressure mechanism docking storage press mechanism, hydraulic pressure card concentric mechanism docking Ti Yin injection pressure mechanism, side spray drill bit transfer machine Structure docking hydraulic pressure card concentric mechanism;
Water proof transfer gear include water proof catcher, hanging ring, sleeve base, sliding sleeve, upper and lower two thrust bearings, sealing nut and Mandrel is taken over;The hanging ring that the ring-type buckle of water proof catcher outer wall is located between outer tube with upper reamer is in and contacts compression shape State, arranges rubber seal ring, uniform limbers above buckle, water proof catcher lower end and sleeve base screw thread between buckle and hanging ring Connect;Sleeve base sequentially passes through thrust bearing, sliding sleeve, thrust bearing, and afterbody connects sealing nut, and sleeve base is joined with sliding sleeve gap Closing, the axial arranged through hole of sleeve base, water proof catcher, sealing nut cooperation realize sliding sleeve and the axle of upper and lower two thrust bearings thereof To spacing;Gap between the O RunddichtringO sealing nut of sealing nut and mandrel catcher, sliding sleeve external screw thread connects mandrel catcher Upper end.
Water conservancy diversion position-limit mechanism include mandrel, hang catcher, stop nut, sliding ring, bullet card holder, spring, bullet clamp, Ring and elastic one-way air bleeding valve are blocked in bullet card room, bullet deck, water route;Its axis arranges through hole, its upper end and water proof transfer The mandrel catcher of mechanism is threaded, threadeds with playing card holder in lower end, the external splines that mandrel axle body is arranged and suspension catcher Internal spline matches, and hangs catcher and can do axially opposing slip along spline with mandrel;Stop nut fixes sliding ring in bullet card Frame upper end, gap between sliding ring sealed suspension catcher and bullet card holder, play card holder hypomere and have looping pit, run through spring Latch can drive spring upper and lower sliding in looping pit, and spring legs is inserted in the preformed hole playing clamp, plays clamp solid by latch Due to playing deck upper end;Playing deck hypomere and be axially arranged with elastic one-way air bleeding valve, ring interference fit is blocked in its outer shroud and water route;Water Annularly-distributed being placed at the spilled water hole of bullet card room is blocked on road, and blocks water route with bullet card chamber interior walls close contact sealing spilled water hole, and water route is cut The uniform mutual disconnected axial water route of abscission ring;Bullet card is indoor annularly-distributed has a corresponding stopper slot playing clamp, uniform below stopper slot lets out Water hole, upper end, bullet card room with hang catcher threaded, lower end with store up press mechanism mozzle threaded.
Storage press mechanism includes chamber top cover, pressure storing cavity, mozzle, chamber bottom, elastic one-way valve, storage pressing spring and piston;Chamber Top cover axially has half deep groove, and top end opening bottom closes, and there is passage bottom, and chamber top cover connects water conservancy diversion by groove female thread Water route is also blocked ring and is done axial limiting by the bullet deck of position-limit mechanism, and outer wall is reserved lock-joint and is connected with pressure storing cavity threaded, and Seam is coated with sealant sealing;Mozzle inwall, in addition to arranging the internal spline matched with pressure storing cavity external splines, is additionally provided with and axially leads Chute;Chamber bottom is threadeded with pressure storing cavity, and its axial location is equipped with elastic one-way valve;Storage pressing spring is positioned at pressure storing cavity, its Connection chamber, one end bottom, the other end connects piston, and connected mode can use hinged or bonding connection;Piston and pressure storing cavity inwall light Sliding close contact;Mozzle and the uniform spillway hole in cushion cap junction, the end of hydraulic pressure card concentric mechanism.
Ti Yin injection pressure mechanism includes impulse device, press-contacting device, band pin air valve and bottom spring;The hollow leg of impulse device passes Press-contacting device end preformed hole inserts chamber bottom reserving hole, and with chamber bottom welded seal;Impulse device end, press-contacting device upper end are equal Being provided with band pin air valve, band pin air valve is normally closed air valve, and internal compression spring push sealing gasket makes air valve be in closure state, outer end Being provided with thimble, end arranges rubber gasket, and band pin air valve is threadeded with impulse device, press-contacting device;Press-contacting device hypomere is uniform Axial hole is divided into two classes, a class to connect with press-contacting device band pin air valve, and runs through the axial passageway that end cushion cap is reserved, and such is axial Axial passageway seam welded seal reserved by hole and end cushion cap, another kind of connect with press-contacting device band pin air valve, the most unidirectional for independence Hole, fixes with end cushion cap for press-contacting device, and connected mode can use threaded or be welded to connect;Bottom spring one end is fixed on the end and is held Platform top end face, can be by welding, hinged or bonding connection, and the other end is free end, bottom spring, both end cushion caps coaxial line.
Hydraulic pressure card concentric mechanism includes end cushion cap, hydraulic pressure film, inner tube of core barrel, clip spring seat and jump ring;Inner tube of core barrel upper end with lead Flow tube lower end is threaded;End cushion cap includes check valve, the uniform spillway hole of sidewall, this spillway hole and mozzle spillway hole position weight Close, water route connects, and end cushion cap is connected with mozzle threaded, and seam, spillway hole transition position use sealant sealing;End cushion cap Lower end step and hydraulic pressure film use fluid sealant to be bonded and sealed, and hydraulic pressure film is adsorbed in inner tube of core barrel inwall and is arranged in whole rock core Managing, clip spring seat is threadeded with inner tube of core barrel, and clip spring seat thread root reserves hydraulic pressure film accommodation space, and hydraulic pressure film is along inner tube of core barrel Inwall is arranged to inner tube end, and then the hydraulic pressure film through clip spring seat receives section, then on return to inner tube of core barrel end, hydraulic pressure film and rock Intracardiac pipe end outer wall concave station section uses fluid sealant to continue to upwardly extend after being bonded and sealed and be fixed on clip spring seat and inner tube of core barrel spiral shell Between stricture of vagina;The hydraulic pressure film being positioned at clip spring seat storage section is specially designed, can form snap close form under hydraulic action;Jump ring and jump ring Seat wedge contact, clip spring seat is without the mouth of a river, and end is indent step design.
Side spray drill bit transfer gear includes ring cap and thrust bearing, the indent step of the clip spring seat end of hydraulic pressure card concentric mechanism It is seated dish on thrust bearing, ring cap, thrust bearing lower wall and step interference fit in side spray drill bit, ring cap lower surface and thrust On bearing, dish end face is reserved with gap, the indent step preset clearance of ring cap internal ring, upper surface and clip spring seat end.
Sealing system comprises static sealing and dynamic seal (packing);Static sealing includes smearing lubricating oil during Screw assembly, including External screw thread root adds rubber seal, carries out sealant sealing, welded seal between threaded attachment structure;Dynamic seal (packing) includes Water proof catcher and the rubber seal ring hanging interannular, the O RunddichtringO of sealing nut periphery prepackage, sliding ring, water route are cut Rubber gasket at abscission ring, band pin air valve, piston.
Cooperated by each mechanism, respective outer side edges, can realize following functions:
1, water proof transfer
Drilling tool assembles this hydraulic pressure rock (ore deposit) heart card fetching and postpones, again lower brill, and dropping process dependency structure original state is Hanging catcher and be positioned at mandrel splined end, night bolt is positioned at bullet card holder looping pit end;Bore when clip spring seat is seated lateral spray type Head in step thrust bearing on time, hang catcher stop decline, mandrel along spline band move card holder continue decline, relative motion Final state is positioned at mandrel spline top for hanging catcher, and night bolt is positioned at bullet card holder looping pit top, water proof catcher coordination Hanging ring between outer tube with upper reamer is in and contacts compression sealing state, and three of the above state synchronized occurs;So far shape Become with water proof catcher, the water-stop structure of hanging ring composition, take over, with water proof, sleeve base, sliding sleeve, thrust bearing and the brill being connected Thrust bearing at the interior step of head sets up the transfer performance of inner tube of core barrel.
2, water conservancy diversion is spacing, store up pressure
Flushing liquor arrives water proof catcher through inner and outer pipes gap, and the limbers reserved through water proof catcher enters hydraulic pressure rock (ore deposit) heart Card fetching puts inside, and ring top is blocked in the water route arriving bullet card indoor through sliding sleeve centre bore, spindle center hole, bullet card holder;Water route Blocking ring to reserve in the spilled water hole of bullet card room for sealing, before pressure storing cavity completes storage pressure, bullet card room spilled water hole is sealed 's;Flushing liquor blocks the reserved axial water route of ring through water route and flows between mozzle and pressure storing cavity, reserves water conservancy diversion through mozzle inwall Groove arrives bottom pressure storing cavity porch, chamber, and flushing liquor is pushed the elastic one-way valve being positioned on the bottom axis of chamber open and entered pressure storing cavity, punching Washing liquid promotes piston stretching storage pressing spring, and along with the stretching of storage pressing spring, flushing liquor pressure gradually rises;Move compression on piston to live Airtight air between plug and pressure storing cavity produces pressure, and when air pressure is more than elastic air bleeding valve external pressure, air bleeding valve starts Aerofluxus is to weaken piston stroking upward resistance, and this air bleeding valve is check valve simultaneously, and the flushing liquor that bullet card room is assembled cannot pass through air bleeding valve Enter pressure storing cavity;Cross the water alternation of cross-section at ring cause flushing liquor to build the pressure owing to water route is blocked, make water route block rushing of ring porch Washing liquid pressure is more than the flushing liquor pressure of bottom pressure storing cavity porch, chamber, and along with flushing liquor is filled with, pressure storing cavity is with micro-displacement To end cushion cap sliding, compressing bottom spring, the elastic force of bottom spring limits again pressure storing cavity and moves down simultaneously, to avoid blocking ring cunning by water Move spilled water hole and cause storage to press unsuccessfully;When pressure storing cavity is filled, piston slides at the top cover of chamber, and chamber top cover limits in piston continuation Moving to avoid storing up pressing spring beyond elastic limit, storage pressing spring is in extended state in elastic limit, and now water route is blocked ring and entered Flushing liquor pressure at Kou is much larger than the flushing liquor pressure of bottom pressure storing cavity porch, chamber, and bottom spring compresses, but storage Pressure chamber downslide displacement not yet drives water route to block the spilled water hole of ring sliding bullet card room;After storage pressure, water route is completely interrupted, with Flushing liquor constantly to assemble in bullet card room, water route is blocked ring porch flushing liquor pressure and is incrementally increased promotion pressure storing cavity continuation compression Bottom spring, when pressure storing cavity downslide displacement reaches to design displacement, ring sliding spilled water hole is blocked in water route, plays clamp simultaneously and buckles into bullet card Room, limits water route and blocks loopback shifting, and flushing liquor back flows back into inner and outer pipes gap from spilled water hole and progressively recovers to design the pressure of the drill;? Before ring sliding spilled water hole is blocked in water route, there is high pressure rinse liquid, the elasticity at the bottom of chamber in bottom pressure storing cavity porch, chamber always Check valve may be in open mode under pressure storing cavity inside and outside differential pressure, and after ring sliding spilled water hole is blocked in water route, ring is blocked in water route Porch flushing liquor pressure re-establishes along with water route and gradually reduces, and is positioned at the high pressure rinse liquid of bottom pressure storing cavity porch, chamber Adverse current is blocked annulate shaft through water route and is carried out pressure release to water route outflow spilled water hole, and pressure storing cavity pressure at inlet reduces, and elastic one-way valve exists Recovering rapidly closure state under pressure storing cavity inside and outside differential pressure, pressure storing cavity Guan Bi environment is set up;So far, flushing liquor storage pressure is complete.
3, carry and draw injection pressure, the hydraulic pressure card heart
In drilling process, rock (ore deposit) heart steps into inner tube, hydraulic pressure film, enters the flushing liquor warp of hydraulic pressure film with rock core Check valve in end cushion cap is left to inner and outer pipes annular gap;After rock core fills hydraulic pressure film, stop brill and fish for rock core;Fish at the beginning of rock core Beginning, rock core, inner tube, hydraulic pressure film, mozzle, bullet card room, suspension are taken over the most static, and water proof catcher, mandrel hang catcher relatively Upper shifting also pulls bullet card holder to make the de-card of bullet clamp, and pull shifting in pressure storing cavity, and water level blocks ring and recloses spilled water hole;Water proof connects Hands, mandrel continue to drive in pressure storing cavity moves, and impulse device is progressively near press-contacting device, and the contact of the two air valve also progressively compresses air valve end face Rubber gasket carry out waterway seal, the two air valve connected by thimble simultaneously, now hangs catcher and is positioned at mandrel splined end also Be close to play card holder and carry be drilled finish before be constantly in this position;The flushing liquor of pressure storing cavity is through impulse device water route, band pin gas Valve, press-contacting device water route, cushion cap water route, the end enter inner tube and hydraulic pressure intermembrane space, treat that high pressure rinse liquid is full of whole gap and makes hydraulic pressure When film end forms snap close form, the rock core being positioned at hydraulic pressure film is in triaxiality controlled state;So far, complete rock The hydraulic pressure card of (ore deposit) heart takes.
In the case of stratum crushing, the snap close of hydraulic pressure film end is separable to be clamped the rock core of control and is introduced into hydraulic pressure film Rock core, it is ensured that carry brill smoothly;If stratum is more complete, hardness is relatively big, then the conventional card heart cuts center device and plays a role simultaneously, During carrying on hydraulic pressure card center device, jump ring glides and shrinks, and core breaking salvages inner tube, obtains rock (ore deposit) heart.So far, complete right Taking of rock (ore deposit) heart.
4, sealing system
The sealing device that this utility model uses is contact seal, comprises static sealing and dynamic seal (packing);Static close Package smears lubricating oil and forms oil sealing when including Screw assembly, add rubber seal at internal and external threads root and squeezed by screw threads for fastening Pressure pad circle realizes sealing, and carries out sealant sealing, welded seal between threaded attachment structure;Dynamic seal (packing) include water proof catcher with Ring, band pin gas are blocked in the suspension rubber seal ring of interannular, the O RunddichtringO of sealing nut periphery prepackage, sliding ring, water route Rubber gasket at valve, piston.Water proof catcher leads to the rubber gasket hung at the rubber seal ring of interannular, band pin air valve The relative motion extruding crossing institute's contact structures realizes sealing;Before water proof catcher and the rubber seal ring hanging interannular can ensure storage pressure Flushing liquor is all imported hydraulic pressure rock (ore deposit) heart card fetching and puts inside by the phase, provides prerequisite for storage pressure;With the rubber at pin air valve Glue sealing gasket ensures to propose the sealing drawing injection pressure stage water route, for providing the flushing liquor of enough pressure, volume around hydraulic pressure film.Seal The O RunddichtringO of nut periphery prepackage, sliding ring have two way seal function, avoid flushing liquor through thrust in the storage pressure stage Clearance leakage between gap, mandrel and suspension catcher spline, impact storage pressure effect between bearing, sliding sleeve, sleeve base three;Bore normal Advanced section, it is to avoid flushing liquor clearance backflow between above structure enters in this device, upset the circulation waterway of flushing liquor, pressed for storage After flushing liquor normal circulation provide safeguard environment.Water route is blocked ring and is only skidded off sluicing when storing up setting-out road and transferring to and creep into water route Hole, and lower brill and during carrying brill water route block ring and all close spilled water hole, make water route block the axial water route of ring as flushing Liquid enters the unique path of pressure storing cavity, provides physical filtering for entering the flushing liquor of pressure storing cavity, it is to avoid the bulky grain in flushing liquor Foreign body enters storage press mechanism and causes mechanism's blocking, abrasion.In pressure storing cavity, the progressively sliding of piston completes flushing liquor storage pressure, and it seals Effect is the key that storage pressure closed environment realizes.The O RunddichtringO of sealing nut periphery prepackage, sliding ring, water route are blocked Ring, piston are in close contact with sealing surface, and in range of relative motion, each contact surface ensures that preferable fineness, suitable surface are thick Rugosity, it is achieved lower resistance fluency that mechanism slides relatively and good sealing effectiveness double shield.Require in this device simultaneously All threaded thread rotary orientations are contrary with drilling tool gyratory directions, use left-handed, it is ensured that drilling tool gyratory directions in drilling process All the time consistent with screw threads for fastening direction, it is to avoid to make screw thread unscrew because of reasons such as frictions between drill string vibration, structure.
Feature of the present utility model is as follows:
1, in the core drilling of the bad ground such as loose smashed to pieces, weak, the rate of coring can be effectively improved, it is ensured that take Heart quality, reflects ground truely and accurately by strata condition.
2, hydraulic pressure provides full-automatic three-dimensional stress card to take binding control rock core, utilizes the nothing of liquid to determine form, fluid,matching Press mold, card takes binding form can be covered on rock core shape completely, overcomes legacy card center device should not block the drawback taking broken rock core, During avoiding completely carrying brill, rock core drops, it is achieved the core recovery percentage of up to 100%.
3, ingehious design spline stroke and each mechanism coordinate, and are rinsed liquid storage pressure creeping into early stage, complete same of storage pressure Time synchronously complete storage setting-out road direction and creep into the transformation in water route, elastic one-way valve, the cooperation current limliting of band pin air valve are high pressure rinse liquid Formed and seal space pressurize, play clamp sliding and position limitation and ensure to creep into water route and stablize and unobstructed avoid pumping pressure loss;Bullet clamp when carrying brill The most de-card, water route block loopback position, band pin air valve is connected, and high pressure rinse liquid discharges through independent water path, and pressurising hydraulic pressure film completes Rock (ore deposit) pericardium is wrapped up in card and is taken.Whole process is full-automatic, and operating process is consistent with conventional drilling tool, and the suitability is good, utilizes punching simultaneously Washing liquid, as hydraulic pressure transfer medium, recycles, environmental protection.
4, the particular design of hydraulic pressure film realizes the sealed envelope to rock (ore deposit) heart, coordinates side spray drill bit to optimize flushing liquor water Road, it is achieved the strength water proof fidelity to hole Nei Yan (ore deposit) heart, weakens largely and even avoids flushing liquor pair in drilling process The erosion attack of rock (ore deposit) heart, infiltration destroy, it is ensured that the primary structure of rock (ore deposit) heart, mineralogical composition etc..
5, mandrel spline and the progressive error design playing card holder looping pit, it is achieved as long as water proof transfer gear puts in place, impulse device Being at being kept completely separate and closure state with the band pin air valve of press-contacting device, other each structures are in design attitude, it is ensured that follow-up The smooth enforcement of the functions such as storage pressure;Water route is blocked ring and is only skidded off spilled water hole when storing up setting-out road and transferring to and creep into water route simultaneously, and Lower brill and during carrying brill water route block ring and all close spilled water hole, the axial water route making water route block ring enters storage as flushing liquor The unique path in pressure chamber, provides physical filtering for entering the flushing liquor of pressure storing cavity, it is to avoid the bulky grain foreign body in flushing liquor enters Storage press mechanism causes mechanism's blocking, abrasion, and reliability is high.
6, bottom spring and the special ratios relation of both storage pressing springs coefficient of elasticity, coordinate bottom spring, storage pressing spring deformation Displacement and storage are pressed into the relation between relation and the elastic force of spring deformation generation and the pump pressure of journey;During flushing liquor storage pressure, Flushing liquor block in water route cross water changes of section at ring and build the pressure the pressure differential that produces to the compressive deformation of bottom spring not enough so that Ring sliding spilled water hole is blocked in water route;After flushing liquor storage pressure, water route is blocked flushing liquor water route obturation at ring and is built the pressure completely product Raw pressure differential can promote water route to block ring sliding spilled water hole;In pressure storing cavity, the pressure of the high pressure rinse liquid of deposit can realize rock The triaxiality binding of intracardiac Guan Yan (ore deposit) heart, it is achieved normally carry brill.
7, water proof transfer gear, the cooperation of side spray drill bit transfer gear, while this device completes self function premise Achieve the transfer performance of whole device, be prevented effectively from the drilling tool rotary vibration machinery to entering basket rock core in drilling process Destroy, it is ensured that quality of coring.
8, micro-water route design of side spray drill bit transfer gear, make small part flushing liquor flow through clip spring seat and ring cap, ring cap with Dish and side spray drill bit gap on dish, thrust bearing on thrust bearing, complete the flushing to thrust bearing, lubrication, break up and be deposited in Rock dust at bearing, reduces bearing wear, it is ensured that bearing runs well.
9, hydraulic pressure rock (ore deposit) heart card fetching is put and is had independent sealing system, the seal oil of threaded connection place, rubber Sealant sealing between sealing ring, threaded attachment structure, the static sealing of welded seal composition, water proof catcher and suspension interannular Rubber seal ring, sealing nut, sliding ring, water route block the rubber gasket at ring, band pin air valve, piston composition Dynamic seal (packing), it is provided that the sealed environment needed for this utility model difference operation phase.
10, hydraulic pressure rock (ore deposit) heart card fetching is put and is also equipped with the conventional card heart and cuts center device, by application of the present utility model Range expansion takes rock (ore deposit) heart to the whole stratum card that bores, and hydraulic pressure rock (ore deposit) heart card fetching also can be avoided to put and conventional rock simultaneously (ore deposit) heart card fetching does too much switching between putting, it is to avoid frequently carry brill, reduces the out-of-hole time impact on efficiency.
This utility model can realize with two-tube drilling tool, cord coring drill directly with the use of, as coordinate wire line coring bore Tool uses, and increases drilling equipment and implements on the premise of wire line core drilling technique being not required to, it is achieved loose, broken etc. to weakness Complicated difficult coring formation is up to the core-taking rate of 100%, provides full-automatic three-dimensional stress card to take binding based on hydraulic pressure in addition and controls rock The heart, coordinates the conventional card heart to cut center device simultaneously, the range of application that this hydraulic pressure rock (ore deposit) heart card fetching is put is expanded to whole boring Core in stratum, formed there is high-reliability, height cores efficiency, height cores quality, high core recovery percentage, to be suitable for stratum wide, automatically Change the card coring apparatus of the features such as performance is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is water proof transfer gear, the structural representation of water conservancy diversion position-limit mechanism;
Fig. 3 is storage press mechanism, the structural representation of Ti Yin injection pressure mechanism;
Fig. 4 is hydraulic pressure card concentric mechanism, the structural representation of side spray drill bit transfer gear;
Fig. 5 is micro-water route schematic diagram of side spray drill bit transfer gear;
Fig. 6 is the section structure schematic diagram of pressure storing cavity, mozzle;
Fig. 7 is the structural representation of impulse device;
Fig. 8 is the structural representation of press-contacting device;
Fig. 9 is the structural representation of end cushion cap;
Figure 10 is the partial enlarged drawing of Fig. 2;
Figure 11 is the partial enlarged drawing of Fig. 3.
In figure, 1 be water proof catcher, 2 be hanging ring, 3 for sleeve base, 4 for sliding sleeve, 5 for thrust bearing, 6 be sealing nut, 7 be mandrel catcher, 8 be mandrel, 9 for hang catcher, 10 for stop nut, 11 for sliding ring, 12 for play card holder, 13 be bullet Spring, 14 for play clamp, 15 for bullet card room, 16 for play deck, 17 for water route block ring, 18 for elastic one-way air bleeding valve, 19 be chamber Top cover, 20 be pressure storing cavity, 21 for mozzle, 22 for chamber bottom, 23 for elastic one-way valve, 24 for storage pressing spring, 25 for piston, 26 For impulse device, 27 be press-contacting device, 28 be band pin air valve, 29 be bottom spring, 30 be end cushion cap, 31 be hydraulic pressure film, 32 in rock core Pipe, 33 be clip spring seat, 34 for jump ring, 35 for ring cap, 36 for thrust bearing, 37 for side spray drill bit, 38 for centering ring, 39 be lower expansion Hole device, 40 be outer tube, 41 for upper reamer, a be limbers, b be buckle, c be rubber seal ring, d be O RunddichtringO, e be ring Shape hole, f be stopper slot, g be spilled water hole, h be threaded, i be passage, j be hollow leg, k be rubber gasket, L be excessive Water hole, m be check valve, n be external splines, o be internal spline, p be guiding gutter, q be reserved screw thread lock-joint, A be main water route, B be micro- Water route.
Detailed description of the invention
In the present embodiment, described probing hydraulic pressure rock core card fetching is put, as shown in Figure 1 and Figure 4, and probing hydraulic pressure rock core card Fetching is put, it is characterised in that: include water proof transfer gear I, water conservancy diversion position-limit mechanism II, storage press mechanism III, Ti Yin injection pressure mechanism IV, Hydraulic pressure card concentric mechanism V, side spray drill bit transfer gear VI and sealing system, water conservancy diversion position-limit mechanism II docks water proof transfer gear I, Storage press mechanism III docks water conservancy diversion position-limit mechanism II, and Ti Yin injection pressure mechanism IV docking storage press mechanism III, hydraulic pressure card concentric mechanism V docks Ti Yin injection pressure mechanism IV, side spray drill bit transfer gear VI docks hydraulic pressure card concentric mechanism V;
Described hydraulic pressure card concentric mechanism V includes end cushion cap 30, hydraulic pressure film 31, inner tube of core barrel 32, clip spring seat 33 and jump ring 34; Threaded with mozzle 21 lower end of storage press mechanism I in inner tube of core barrel 32 upper end;End cushion cap 30 includes check valve m, and sidewall is uniform Spillway hole L, this spillway hole overlaps with mozzle 21 spillway hole position, water route connects, and end cushion cap 30 is with mozzle 21 threaded even Connecing, seam, spillway hole transition position use sealant sealing;End cushion cap 30 lower end step and hydraulic pressure film 31 use fluid sealant to bond Sealing, hydraulic pressure film 31 is adsorbed in inner tube of core barrel inwall and is arranged in whole inner tube of core barrel 32, clip spring seat 33 and inner tube of core barrel 32 spiral shell Stricture of vagina connects, and clip spring seat 33 thread root is reserved with hydraulic pressure film accommodation space, is positioned at the hydraulic pressure film 31 of clip spring seat storage section at hydraulic pressure Snap close form can be formed under Zuo Yong;Jump ring 34 and clip spring seat 33 wedge contact.
As shown in Figure 4, described hydraulic pressure film 31 is arranged to inner tube 32 end along inner tube of core barrel inwall, then through clip spring seat 33 Hydraulic pressure film storage section, then on return to inner tube of core barrel end, hydraulic pressure film 31 uses with inner tube of core barrel 32 end outer wall concave station section and seals Glue bond continues to upwardly extend after sealing is fixed between clip spring seat 33 and inner tube of core barrel 32 screw thread;Clip spring seat 33 is without the mouth of a river, end For indent ledge structure.
With reference to Fig. 2, described water proof transfer gear I includes water proof catcher 1, hanging ring 2, sleeve base 3, sliding sleeve 4, thrust bearing 5, sealing nut 6 and mandrel catcher 7;Water proof is taken over the ring-type buckle b of 1 outer wall and is located between outer tube 40 and upper reamer 41 Hanging ring 2 is in contact impaction state, arranges rubber seal ring c, uniform limbers above buckle b between buckle b and hanging ring 2 A, water proof is taken over 1 lower end and is threadeded with sleeve base 3;Sleeve base 3 sequentially passes through thrust bearing 5, sliding sleeve 4, thrust bearing 5, tail Portion connects sealing nut 6, sleeve base 3 and sliding sleeve 4 matched in clearance, and sleeve base 3 is axially arranged with through hole, water proof catcher 1, sealing spiral shell Female 6 cooperations realize sliding sleeve 4 and the axial limiting of upper and lower two thrust bearings 5 thereof;The O RunddichtringO d sealing nut of sealing nut 6 And the gap between mandrel catcher 7, sliding sleeve 4 external screw thread connects mandrel and takes over 7 upper ends.
With reference to Fig. 2 and Figure 10, water conservancy diversion position-limit mechanism II includes mandrel 8, hangs catcher 9, stop nut 10, sliding ring 11, ring 17 and elastic one-way air bleeding valve 18 are blocked in bullet card holder 12, spring 13, bullet clamp 14, bullet card room 15, bullet deck 16, water route; Mandrel 8 axis is provided with through hole, and its upper end is taken over 7 with mandrel and threadeded, and threaded with playing card holder 12 in lower end, mandrel 8 axle The external splines that body is arranged and the internal spline hanging catcher 9 match, and hang catcher 9 and can do axially opposing slip along spline with mandrel 8; Stop nut 10 fix sliding ring 11 in play card holder 12 upper end, sliding ring 11 sealed suspension catcher 9 with play card holder 12 Between gap, play card holder 12 hypomere and have looping pit e, run through the latch of spring 13 can drive spring 13 in looping pit e on Lower sliding, spring 13 supporting leg inserts in the preformed hole playing clamp 14, plays clamp 14 and is fixed on bullet deck 16 upper end by latch;Bullet card Seat 16 hypomeres are axially arranged with elastic one-way air bleeding valve 18, and ring 17 interference fit is blocked in its outer shroud and water route;Ring 17 cloth is blocked in water route Being placed at the spilled water hole g of bullet card room 15, and block water route with bullet card room 15 inwall close contact sealing spilled water hole g, ring is blocked in water route 17 uniform mutual disconnected axial water routes;Stopper slot f, below stopper slot f that bullet card room 15 internal ring is furnished with corresponding bullet clamp 14 are equal Cloth spilled water hole g, upper end, bullet card room 15 9 threadeds with hanging catcher, threadeds with mozzle 21 in lower end.
With reference to Fig. 3, Fig. 6, Fig. 9 and Figure 11, storage press mechanism III includes chamber top cover 19, pressure storing cavity 20, mozzle 21, chamber bottom 22, elastic one-way valve 23, storage pressing spring 24, piston 25 form;Chamber top cover 19 axially has half deep groove, and top end opening bottom is closed Closing, there is passage i bottom, and chamber top cover 19 connects the bullet deck 16 of water conservancy diversion position-limit mechanism II by groove female thread and cuts water route Abscission ring 17 does axial limiting, and outer wall is reserved lock-joint and is connected with pressure storing cavity 20 threaded h, and is coated with sealant sealing at seam;Lead Flow tube 21 inwall, in addition to arranging the internal spline o matched with pressure storing cavity external splines n, is additionally provided with axial diversion groove p;Chamber bottom 22 and storage Pressure chamber 20 is threaded, and its axial location is equipped with elastic one-way valve 23;Storage pressing spring 24 is positioned at pressure storing cavity 20, and its one end connects Chamber bottom 22, the other end connects piston 25, uses hinged or bonding connection;Piston 25 closely connects with pressure storing cavity 20 inner wall smooth Touch;Mozzle 21 and end cushion cap 30 junction uniform spillway hole L.
With reference to Fig. 3, Fig. 7, Fig. 8 and Fig. 9, Ti Yin injection pressure mechanism IV includes impulse device 26, press-contacting device 27, band pin air valve 28 and Bottom spring 29;Hollow leg j of impulse device 26 inserts chamber bottom 22 reserving hole, and and chamber through press-contacting device 27 end preformed hole Bottom 22 welded seal;Impulse device 26 end, press-contacting device 27 upper end are equipped with band pin air valve 28, and band pin air valve is normally closed air valve, Internal compression spring push sealing gasket makes air valve be in closure state, and outer end is provided with thimble, and end arranges rubber gasket k, gas Valve 28 is threadeded with impulse device 26, press-contacting device 27;Two classes, a class and press-contacting device band are divided in the uniform axial hole of press-contacting device 27 hypomere Pin air valve connects, and runs through the reserved axial passageway of end cushion cap 30, and axial passageway interface reserved by such axial hole and end cushion cap Place's welded seal, another kind of connect with press-contacting device band pin air valve, for independent unidirectional hole, consolidates with end cushion cap 30 for press-contacting device 27 Fixed, use threaded or be welded to connect;End cushion cap 30 top end face is fixed in bottom spring 29 one end, by welding, hinged or bonding Connecting, the other end is free end, bottom spring, both end cushion caps coaxial line.
With reference to Fig. 4 and Fig. 5, side spray drill bit transfer gear VI includes ring cap 35 and thrust bearing 36;Clip spring seat 33 end Indent step is seated dish on thrust bearing 36, ring cap 35, thrust bearing 36 lower wall and step interference fit in side spray drill bit 37, Ring cap 35 lower surface and dish end face preset clearance on thrust bearing 36, ring cap 35 internal ring, upper surface and clip spring seat 33 end concave Step preset clearance.
With reference to Fig. 2, Fig. 3, Fig. 4, Figure 10 and Figure 11, sealing system comprises static sealing and dynamic seal (packing);Static sealing bag Include and smear lubricating oil, add rubber seal at internal and external threads root, between threaded attachment structure, carry out sealant sealing, welding Seal;Dynamic seal (packing) includes water proof catcher and the O RunddichtringO hanging the rubber seal ring c of interannular, sealing nut periphery is pre-installed The rubber gasket k at ring 17, band pin air valve, piston 25 are blocked in d, sliding ring 11, water route.
Using method:
Owing to having conventional card cardiac function concurrently, initially can remove into boring with two-tube drilling tool or cord coring drill one creeping into Interior construction;Or when drilling process is met easy erosion smashed to pieces, weak, loose etc. adopt the heart loosely stratum time, by cord coring drill Inner tube assembly salvages, and the hydraulic pressure rock core card fetching that changes the outfit is put, and coordinates and uses lateral spray type drill bit to creep into.
Drilling tool assembling hydraulic pressure rock (ore deposit) heart card fetching is put, again lower brill, after each mechanism puts in place, starts pumping in hole and rinses Liquid, if cord coring drill coordinates hydraulic pressure card coring apparatus, then to have for the first time pressure significantly raised (about for the Pump pressure meter on earth's surface Raise 5~10atm), show that inner tube assembly has arrived appointment position;And then there will be second time pressure significantly raised (relatively For the first time boosting peak value about raises 5~10atm), second time boosting there will be rise-stop-liter-process stopped, show that pressure storing cavity is just In pressurising;Pressure rises to second time and boosts and have third time pressure after peak value significantly raised (second time boosting peak value relatively about rises High 3~5atm), show that pressure storing cavity has completed pressurising and started pushing tow water level and block ring sliding spilled water hole, occur subsequently being depressurized to Design pump pressure, illustrates that water route has been transferred to by storage setting-out road and creeps into water route, can start cleaning bottom of hole and creep into.If two-tube drilling tool coordinates this Hydraulic pressure card coring apparatus, then the pressure change procedure that earth's surface Pump pressure meter occurs successively for for the first time boosting (about raise 15~ 20atm), second time is boosted (relative voltage crest value for the first time about raises 3~5atm), is depressurized to design pump pressure, wherein first time liter Pressure Pump pressure meter there will be rises-stop-liter-process stopped, represent pressure storing cavity Plenum Process, second time boosting expression pressure storing cavity pressurising is complete Finish and start pushing tow water level and block ring sliding spilled water hole, be depressurized to design pump pressure and represent that water route has been transferred to crept into water by storage setting-out road Road, can start cleaning bottom of hole and creep into.The pressure change of Pump pressure meter is determined jointly by each spring force in this hydraulic pressure card coring apparatus, Can be different according to creeping into stratum soft or hard degree, the elastic force of regulation spring, it is to avoid hydraulic pressure film confined pressure is crossed large disturbances and destroyed rock (ore deposit) heart, Take into account core recovery percentage and quality of coring.The drilling parameters such as the pressure of the drill in drilling process, drilling speed all can use with two-tube drilling tool or The drilling parameter that cord coring drill is consistent, but core consideration from troublesome zone drilling, the pressure of the drill is unsuitable excessive, generally 2~ 4kN, is otherwise likely to result in core plugging or sticks with paste brill, and drilling speed considers, typically 150~250rpm from protection kata-rocks (ore deposit) heart. Drilling process is wanted rigorous concentration rock (ore deposit) heart take length, can control to enter the rock (ore deposit) in hydraulic pressure film 31 by drilling footage By the change of earth's surface Pump pressure meter pressure, heart length, if cord coring drill, can determine whether rock core fills inner tube of core barrel;But it is Ensure that hydraulic pressure film 31 has preferable package action to rock core in inner tube of core barrel 32, when drilling footage takes relative to inner tube of core barrel maximum Can stop creeping into during heart length difference about 0.05~0.1m.Carry and drill through the triaxiality card of this hydraulic pressure card coring apparatus during the heart Taking binding rock core to be automatically performed, therefore operating process is crept into consistent with routine, and concrete operations are that two-tube drilling tool directly carries and drills through rock (ore deposit) heart, slowly carries and having a break after boring about 0.05m, can continue to carry brill;Cord coring drill fishes for rock by fisher (ore deposit) heart, fisher is had a break after slowly promoting about 0.05m, can continue to lift up fisher.Carry after getting into ground, can basis Rock (ore deposit) heart needs, or is taken out by rock (ore deposit) heart after hydraulic pressure film pressure release, or hydraulic pressure film, rock (ore deposit) heart is taken after pressure release simultaneously Go out, hydraulic pressure film rock (ore deposit) heart wrapped up can be prevented effectively from the ground surface environment impact on rock (ore deposit) heart, for follow-up rock (ore deposit) excess of the heart Test research and prerequisite is provided.
At present bad ground difficulty is cored problem, the problem such as of poor quality of coring, except drilling tool water isolating, to rock (ore deposit) heart Deficiency in terms of fidelity, it is critical only that rock (ore deposit) heart card of existing drilling tools takes principle and misses to adapt to bad ground rock (ore deposit) heart Card takes requirement.Using this hydraulic pressure card to take rock (ore deposit) center device, hydraulic pressure provides full-automatic three-dimensional stress card to take binding rock core, utilizes liquid Press mold impervious nature, it is achieved achieve rock (ore deposit) heart strength water proof fidelity while bad ground rock (ore deposit) heart card is taken, solve Legacy card center device of having determined should not block the drawback taking broken rock core, coordinates the conventional card heart to cut center device, by hydraulic pressure rock (ore deposit) heart card The range of application that fetching is put expands to whole stratum of boring and cores, applied widely, and core-taking rate, quality of coring, reliability are high.
Below this utility model is described in detail, the above, only this utility model preferred embodiment and , when not limiting this utility model practical range, the most all made impartial change according to the application scope and modified, all should still be belonged to this In utility model covering scope.

Claims (8)

1. a probing hydraulic pressure rock core card fetching is put, it is characterised in that: include water proof transfer gear (I), water conservancy diversion position-limit mechanism (II), storage press mechanism (III), Ti Yin injection pressure mechanism (IV), hydraulic pressure card concentric mechanism (V), side spray drill bit transfer gear (VI) and close Envelope system, water conservancy diversion position-limit mechanism (II) docking water proof transfer gear (I), storage press mechanism (III) docking water conservancy diversion position-limit mechanism (II), Ti Yin injection pressure mechanism (IV) docking storage press mechanism (III), hydraulic pressure card concentric mechanism (V) docking Ti Yin injection pressure mechanism (IV), side spray is bored Head transfer gear (VI) docking hydraulic pressure card concentric mechanism (V);
Described hydraulic pressure card concentric mechanism (V) includes end cushion cap (30), hydraulic pressure film (31), inner tube of core barrel (32), clip spring seat (33) and card Spring (34);Threaded with mozzle (21) lower end of storage press mechanism (III) in inner tube of core barrel (32) upper end;End cushion cap (30) includes Check valve (m), the uniform spillway hole of sidewall (L), this spillway hole overlaps with mozzle (21) spillway hole position, water route connects, and the end holds Platform (30) is connected with mozzle (21) threaded, and seam, spillway hole transition position use sealant sealing;End cushion cap (30) lower end Step and hydraulic pressure film (31) use fluid sealant to be bonded and sealed, and hydraulic pressure film (31) is adsorbed in inner tube of core barrel inwall and is arranged in whole rock Intracardiac pipe (32), clip spring seat (33) threadeds with inner tube of core barrel (32), and clip spring seat (33) thread root is reserved with hydraulic pressure film and receives Receiving space, the hydraulic pressure film (31) being positioned at clip spring seat storage section can form snap close form under hydraulic action;Jump ring (34) and jump ring Seat (33) wedge contact.
Probing hydraulic pressure rock core card fetching the most according to claim 1 is put, it is characterised in that: described hydraulic pressure film (31) is along rock Intracardiac inside pipe wall is arranged to inner tube (32) end, and then the hydraulic pressure film through clip spring seat (33) receives section, then on return to inner tube of core barrel End, hydraulic pressure film (31) and inner tube of core barrel (32) end outer wall concave station section use fluid sealant to continue after being bonded and sealed to upwardly extend admittedly Due between clip spring seat (33) and inner tube of core barrel (32) screw thread;Clip spring seat (33) is without the mouth of a river, and end is indent ledge structure.
Probing hydraulic pressure rock core card fetching the most according to claim 2 is put, it is characterised in that: described water proof transfer gear (I) water proof catcher (1), hanging ring (2), sleeve base (3), sliding sleeve (4), thrust bearing (5), sealing nut (6) and mandrel are included Catcher (7);The ring-type buckle (b) of water proof catcher (1) outer wall is located on the hanging ring between outer tube (40) and upper reamer (41) (2) being in contact impaction state, arrange rubber seal ring (c) between buckle (b) and hanging ring (2), buckle (b) top is uniform logical Water hole (a), threadeds with sleeve base (3) in water proof catcher (1) lower end;Sleeve base (3) sequentially passes through thrust bearing (5), sliding sleeve (4), thrust bearing (5), afterbody connects sealing nut (6), sleeve base (3) and sliding sleeve (4) matched in clearance, and sleeve base (3) is axial Being provided with through hole, the cooperation of water proof catcher (1), sealing nut (6) realizes sliding sleeve (4) and the axle of upper and lower two thrust bearings (5) thereof To spacing;Gap between O RunddichtringO (d) sealing nut of sealing nut (6) and mandrel catcher (7), sliding sleeve (4) external screw thread Connect mandrel catcher (7) upper end.
Probing hydraulic pressure rock core card fetching the most according to claim 3 is put, it is characterised in that: water conservancy diversion position-limit mechanism (II) wraps Include mandrel (8), hang catcher (9), stop nut (10), sliding ring (11), bullet card holder (12), spring (13), bullet clamp (14), ring (17) and elastic one-way air bleeding valve (18) are blocked in bullet card room (15), bullet deck (16), water route;Mandrel (8) axis is provided with Through hole, the mandrel of its upper end and water proof transfer gear (I) takes over (7) and threadeds, and threadeds with bullet card holder (12) in lower end, The external splines that mandrel (8) axle body is arranged and the internal spline hanging catcher (9) match, and hanging catcher (9) can be along spline with mandrel (8) Do axially opposing slip;The fixing sliding ring (11) of stop nut (10) is in playing card holder (12) upper end, sliding ring (11) Gap between sealed suspension catcher (9) and bullet card holder (12), plays card holder (12) hypomere and has looping pit (e), run through spring (13) Latch can drive spring (13) upper and lower sliding in looping pit (e), spring (13) supporting leg inserts the preformed hole playing clamp (14) In, play clamp (14) and be fixed on bullet deck (16) upper end by latch;Play deck (16) hypomere and be axially arranged with elastic one-way air bleeding valve (18), ring (17) interference fit is blocked in its outer shroud and water route;Water route is blocked ring (17) and is arranged in bullet card room (15) spilled water hole (g) Place, and be in close contact with bullet card room (15) inwall and seal spilled water hole (g) and block water route, water route blocks that ring (17) is uniform not to be connected mutually Axial water route;Bullet card room (15) internal ring is furnished with the corresponding stopper slot (f) playing clamp (14), the most uniform sluicing of stopper slot (f) Hole (g), bullet card room (15) upper end with hang catcher (9) threaded, lower end with storage press mechanism (III) mozzle (21) screw thread Connect.
Probing hydraulic pressure rock core card fetching the most according to claim 4 is put, it is characterised in that: storage press mechanism (III) includes chamber Top cover (19), pressure storing cavity (20), mozzle (21), chamber bottom (22), elastic one-way valve (23), storage pressing spring (24), piston (25) composition;Chamber top cover (19) axially has half deep groove, and top end opening bottom closes, and there are passage (i), chamber top cover (19) in bottom Connect the bullet deck (16) of water conservancy diversion position-limit mechanism (II) by groove female thread and water route is blocked ring (17) do axial limiting, outward Wall is reserved lock-joint and is connected with pressure storing cavity (20) threaded (h), and is coated with sealant sealing at seam;Mozzle (21) inwall is except setting Put the internal spline (o) matched with pressure storing cavity external splines (n) outward, be additionally provided with axial diversion groove (p);Chamber bottom (22) and pressure storing cavity (20) threaded, its axial location is equipped with elastic one-way valve (23);Storage pressing spring (24) is positioned at pressure storing cavity (20), its one end Connecting chamber bottom (22), the other end connects piston (25), uses hinged or bonding connection;Piston (25) and pressure storing cavity (20) inwall Smooth close contact;Mozzle (21) and the uniform spillway hole in end cushion cap (30) junction (L) of hydraulic pressure card concentric mechanism (V).
Probing hydraulic pressure rock core card fetching the most according to claim 5 is put, it is characterised in that: Ti Yin injection pressure mechanism (IV) wraps Include impulse device (26), press-contacting device (27), band pin air valve (28) and bottom spring (29);The hollow leg (j) of impulse device (26) passes Press-contacting device (27) end preformed hole inserts chamber bottom (22) reserving hole, and with chamber bottom (22) welded seal;Impulse device (26) End, press-contacting device (27) upper end are equipped with band pin air valve (28), and band pin air valve is normally closed air valve, and internal compression spring push seals Pad makes air valve be in closure state, and outer end is provided with thimble, and end arranges rubber gasket (k), band pin air valve (28) and impulse device (26), press-contacting device (27) is threaded;Two classes, a class and press-contacting device band pin air valve are divided in the uniform axial hole of press-contacting device (27) hypomere Connection, and the axial passageway that the end cushion cap (30) running through hydraulic pressure card concentric mechanism (V) is reserved, such axial hole is pre-with end cushion cap Stay axial passageway seam welded seal, another kind of do not connect with press-contacting device band pin air valve, for independent unidirectional hole, for press-contacting device (27) fix with end cushion cap (30), use threaded or be welded to connect;End cushion cap (30) top is fixed in bottom spring (29) one end Face, by welding, hinged or bonding connection, the other end is free end, bottom spring, both end cushion caps coaxial line.
Probing hydraulic pressure rock core card fetching the most according to claim 6 is put, it is characterised in that: side spray drill bit transfer gear (VI) ring cap (35) and thrust bearing (36) are included;The indent step of clip spring seat (33) end of hydraulic pressure card concentric mechanism (V) is located In the upper dish of thrust bearing (36), ring cap (35), thrust bearing (36) lower wall and side spray drill bit (37) interior step interference fit, ring cap (35) lower surface dish end face preset clearance upper with thrust bearing (36), ring cap (35) internal ring, upper surface and clip spring seat (33) end Indent step preset clearance.
Probing hydraulic pressure rock core card fetching the most according to claim 7 is put, it is characterised in that: sealing system comprises static close Envelope and dynamic seal (packing);Static sealing includes smearing lubricating oil during Screw assembly, adds rubber seal, spiral shell at internal and external threads root Sealant sealing, welded seal is carried out between stricture of vagina pin connected construction;Dynamic seal (packing) includes that water proof catcher and the rubber hanging interannular are close Ring (17), band pin air valve are blocked in seal ring (c), O RunddichtringO (d) of sealing nut periphery prepackage, sliding ring (11), water route The rubber gasket (k) at place, piston (25).
CN201620699887.2U 2016-07-05 2016-07-05 A kind of probing hydraulic pressure rock core card fetching is put Withdrawn - After Issue CN205778651U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014314A (en) * 2016-07-05 2016-10-12 中交第四航务工程勘察设计院有限公司 Hydraulic rock core lifting device for exploratory boring
CN108505934A (en) * 2018-03-12 2018-09-07 中国科学院武汉岩土力学研究所 A kind of high-precision pore-forming guard aperture cleaning bottom of hole integration drilling apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014314A (en) * 2016-07-05 2016-10-12 中交第四航务工程勘察设计院有限公司 Hydraulic rock core lifting device for exploratory boring
CN106014314B (en) * 2016-07-05 2018-11-20 中交第四航务工程勘察设计院有限公司 A kind of drill takes device with hydraulic rock core card
CN108505934A (en) * 2018-03-12 2018-09-07 中国科学院武汉岩土力学研究所 A kind of high-precision pore-forming guard aperture cleaning bottom of hole integration drilling apparatus
CN108505934B (en) * 2018-03-12 2019-03-08 中国科学院武汉岩土力学研究所 A kind of high-precision pore-forming guard aperture cleaning bottom of hole integration drilling apparatus

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