CN208605152U - A kind of engineering exploration cord coring drill suitable for seabed drilling machine - Google Patents

A kind of engineering exploration cord coring drill suitable for seabed drilling machine Download PDF

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Publication number
CN208605152U
CN208605152U CN201821060099.4U CN201821060099U CN208605152U CN 208605152 U CN208605152 U CN 208605152U CN 201821060099 U CN201821060099 U CN 201821060099U CN 208605152 U CN208605152 U CN 208605152U
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hole
tube
connect
pipe
power transmission
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CN201821060099.4U
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王佳亮
万步炎
彭奋飞
黄筱军
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Abstract

The utility model discloses a kind of engineering exploration cord coring drill suitable for seabed drilling machine, including outer pipe assembly and inner tube assembly, outer pipe assembly includes sequentially connected bullet card shelves head, bullet card room, outer tube, reamer and drill bit;Inner tube assembly includes fishing spearhead, bullet card positioning mechanism, plays clamping stent, single action mechanism, inner pipe joint, return water ball valve, inner tube and rock core bushing pipe;Fishing spearhead is connect with bullet card positioning mechanism, and bullet card positioning mechanism is connect with clamping stent is played;It plays clamping stent side wall and is equipped with hanging ring, hanging ring is placed on the seat ring on outer tube wall;It plays clamping stent to connect with single action mechanism, single action mechanism is connect with inner pipe joint, and the lower end of inner pipe joint and the upper end of inner tube connect, and rock core bushing pipe is arranged in inner tube;Single action mechanism includes mandrel, casing end cap, upper power transmission cutting ferrule and lower power transmission cutting ferrule;The single action performance of the utility model is stable, bearing centering effect is good, it is small to the level of disruption of soil sample, be not easy when salvaging inner tube assembly it is stuck.

Description

A kind of engineering exploration cord coring drill suitable for seabed drilling machine
Technical field
The utility model relates to a kind of cord coring drills, more particularly, to a kind of seabed engineering suitable for seabed drilling machine Reconnoitre cord coring drill.
Background technique
The development and utilization of submarine oil resources has become a new hot spot of countries in the world Future strategy.In sea It is to obtain engineering by probing means during prospecting early period of the oceans such as base oil gas well field and drilling platforms builds to foundation engineering Geological sample most straightforward approach.Cord coring drill used at present is primarily directed to land-based area rock-core borer and is located at sea brill The offshore rig visited on boat deck uses, and structure type generallys use the advanced form of inner tube, real by 2 secondary single direction thrust ball bearings The single action of existing inner tube assembly, and the circlip of mating band spring leaf realizes that the card of sample takes.And seabed drilling machine is by required inner tube Assembly carries out seabed coring operation after all bringing under water by the drill pipe storage being located on drilling machine ontology again, to whole coring operations After hours, then by whole inner tube assemblies with drilling machine it is promoted to mating lash ship deck, under water longevity of service.It is existing The conventional drilling tool having is primarily present following problems: drilling tool inner tube assembly single action performance is poor and owes to examine without centering function, existing structure Consider seawater corrosion effect, it is poor to the protective performance of upper bearing, since upper bearing continues pressure-bearing be easy to cause bearing when creeping into Failure, drilling tool inner tube and outer tube suspension positioning component be easy it is stuck cause to salvage difficult, card concentric mechanism to sample level of disruption greatly, Plastics rock core bushing pipe can not feel relieved, and when hard soil sample is pressed into coring, soil sample is squeezed between bushing pipe and the annular gap of inner tube, So that bushing pipe is generated plastic deformation causes to extract the practical problems such as difficulty.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides that a kind of inner tube assembly single action performance is good, card concentric mechanism pair Sample level of disruption is small, and the seabed drilling machine that is suitable for that inner tube can be prevented stuck with outer tube suspension positioning mechanism component uses work The engineering exploration cord coring drill of condition.
The technical solution adopted in the utility model is: a kind of engineering exploration cord coring drill suitable for seabed drilling machine, Including outer pipe assembly and inner tube assembly, the outer pipe assembly includes sequentially connected bullet card shelves head, bullet card room, outer tube, reaming Device and drill bit;The inner tube assembly includes fishing spearhead, bullet card positioning mechanism, plays clamping stent, single action mechanism, inner pipe joint, returns Water polo valve, inner tube and rock core bushing pipe;Fishing spearhead is connect with bullet card positioning mechanism, and bullet card positioning mechanism is placed in bullet card interior, bullet card Positioning mechanism is connect with clamping stent is played;It plays clamping stent side wall and is equipped with hanging ring, hanging ring is placed on the seat ring on outer tube wall; Clamping stent is played to connect with single action mechanism, single action mechanism is connect with inner pipe joint, and the lower end of inner pipe joint and the upper end of inner tube connect, Rock core bushing pipe is arranged in inner tube;
The single action mechanism includes mandrel, casing end cap, upper power transmission cutting ferrule and lower power transmission cutting ferrule;The upper end of mandrel and bullet Clamping stent connection, the lower end of mandrel pass through casing end cap, and the lower end of mandrel is equipped with locking nut;Casing end cap central bore is ladder Hole, both ends diameter are greater than mid diameter;Sleeve end covers and is set with power transmission cutting ferrule in portion's inner hole inner spindle, upper power transmission cutting ferrule with It is equipped with two-direction thrust bearing between casing end cap inner hole step surface, is equipped with outside framework oil seal at casing end cap inner hole upper end;Sleeve end It is set with lower power transmission cutting ferrule in the inner hole inner spindle of lid lower part, thrust is equipped between lower power transmission cutting ferrule and casing end cap inner hole step surface Bearing is equipped with deep groove ball bearing between lower power transmission cutting ferrule and locking nut;The inner pipe joint both ends are respectively equipped with inner hole, on The inner hole at end is spirally connected with casing end cap, which, which is equipped with, is connected to the logical of lacuna between the inner hole and inner pipe joint and outer tube Hole;The inner hole of inner pipe joint lower end is connected to the inner hole of rock core bushing pipe, and return water ball valve is equipped in the inner hole, is set on the inner hole side wall There is the through-hole for being connected to lacuna between the inner hole and outer tube and inner pipe joint.
The above-mentioned engineering exploration cord coring drill suitable for seabed drilling machine, the upper power transmission cutting ferrule is T junction Structure, upper end are contacted with mandrel flange bottom, the upper circle interference fit of lower part and two-direction thrust bearing;The mandrel and bidirectional propulsion Positioning sleeve is equipped between the lower circle of bearing.
The above-mentioned engineering exploration cord coring drill suitable for seabed drilling machine, the lower end of inner tube and advanced Zhu's nozzle connect It connects, the lower part of the inner hole of advanced Zhu's nozzle is equipped with centering cylinder and positioning step for the centering of rock core bushing pipe, rock core bushing pipe Lower end be placed on the limited step of advanced Zhu's nozzle;The medial surface of advanced Zhu's nozzle inner hole below positioning step is equipped in annular Female barb dovetail groove.
The above-mentioned engineering exploration cord coring drill suitable for seabed drilling machine, the upper and lower end parts of the seat ring inner hole Equipped with step surface;Inner hole between two step surfaces is equipped with chamfering.
Compared with prior art, the utility model has the beneficial effects that
The bearing of the utility model is arranged in closed cavity body structure, can be prevented seawater corrosion, be improved bearing Service life;Single action mechanism top uses two-direction thrust bearing, can improve and bore under the practical drilling condition of continuous compression The functional reliability of tool, single action mechanism lower part are arranged deep groove ball bearing, improve centering performance;Advanced Zhu's nozzle of the utility model The interior barb oat tail groove structure equipped with concave, it is small to soil sample level of disruption in drilling process, soil is utilized during pulling out the heart The expansion self-locking effect of sample carries out the card heart, reduces the surface scratches of core sample, reduces the level of disruption of sample, and without additional Circlip is configured, reduces field operation workload while improving sample quality;The seat ring of the utility model has anti-sticking function, energy It enough avoids the hanging ring in launch process in inner tube assembly from causing since dispensing impact force is excessive stuck with seat ring, leads to inner tube Assembly salvages difficult risk;Advanced Zhu's nozzle of the utility model, which can be realized, feels relieved to rock core bushing pipe, prevents from being pressed into Since soil sample is squeezed into the annular gap between bushing pipe and inner tube when formula coring, solve due to bushing pipe generate plastic deformation and It is caused to extract difficult problem.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the single action mechanism of the utility model.
Fig. 3 is the structural schematic diagram of advanced Zhu's nozzle of the utility model.
Fig. 4 is the structural schematic diagram of the seat ring of the utility model.
In figure: 1- fishes out spearhead;2- adapter coupling;3- receives card cylinder;4- pressure spring;5- bullet snap-gauge;6- bullet card room;7- bullet card branch Frame;8- hanging ring;9- seat ring;10- mandrel;11- outside framework oil seal;The upper power transmission cutting ferrule of 12-;13- two-direction thrust bearing;14- casing End cap;15- positioning sleeve;16- thrust bearing;Power transmission cutting ferrule under 17-;18- deep groove ball bearing;19- washer;20- locking nut; 21- inner pipe joint;22- return water ball valve;23- outer tube;24- inner tube;25- rock core bushing pipe;26- reamer;27- drill bit;28- is advanced Zhu's nozzle;281- centering cylinder;282- centering step;283- concave barb dovetail groove.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, the utility model includes outer pipe assembly and inner tube assembly, inner tube assembly is placed in outer pipe assembly.Institute Stating outer pipe assembly includes bullet card shelves head 2, bullet card room 6, seat ring 9, outer tube 23, reamer 26 and drill bit 27;Bullet card shelves head 2, bullet card Room 6, outer tube 23, reamer 26 and drill bit 27 are sequentially connected;Seat ring 9 is mounted on the inner wall of 23 upper end of outer tube.As shown in figure 4, The upper and lower end parts of 9 inner hole of seat ring are equipped with step surface 91;Inner hole between two step surfaces 91 is equipped with chamfering 92, this kind of structure Seat ring 9 there is anti-sticking function, it is excessive due to launching impact force to can be avoided hanging ring 8 in launch process in inner tube assembly Cause risk stuck with seat ring 9, to cause inner tube assembly salvaging difficult.
The inner tube assembly includes fishing spearhead 1, bullet card positioning mechanism, plays clamping stent 7, is hanging ring 8, single action mechanism, interior Pipe fitting 21, return water ball valve 22, inner tube 24, rock core bushing pipe 25 and advanced Zhu's nozzle 28.Fish out lower end and the bullet card positioning mechanism of spearhead 1 Connection, bullet card positioning mechanism are located in bullet card room 6, and lower end is connect with clamping stent 7 is played.The lower part for playing the side wall of clamping stent 7 is set There is hanging ring 8, hanging ring 8 is placed on the seat ring 9 on 23 inner sidewall of outer tube.Play the lower end of clamping stent 7 and the upper end of single action mechanism Connection, the lower end of single action mechanism are connect with the upper end of inner pipe joint 21, and return water ball valve 22 is equipped in the inner hole of inner pipe joint 21.It is interior The lower end of pipe fitting 21 is connect with the upper end of inner tube 24, and rock core bushing pipe 25 is arranged in inner tube 24;The lower end of inner tube 24 and advanced The upper end of Zhu's nozzle 28 connects, and the lower end of rock core bushing pipe 25 is located on the interior step of advanced Zhu's nozzle 28.The bullet card localization machine Structure includes receiving card cylinder 3, pressure spring 4 and bullet snap-gauge 5.
As shown in Fig. 2, the single action mechanism includes mandrel 10, casing end cap 14, outside framework oil seal 11, upper power transmission cutting ferrule 12, two-direction thrust bearing 13, positioning sleeve 15, thrust bearing 16, lower power transmission cutting ferrule 17, deep groove ball bearing 18, washer 19 and locking Nut 20.The upper end of mandrel 10 is connect with clamping stent 7 is played, and the lower end of mandrel 10 passes through casing end cap 14, and the lower end of mandrel 10 is set There is locking nut 20.14 centre bore of casing end cap is stepped hole, and both ends diameter is greater than mid diameter.14 top inner hole of casing end cap It is set with power transmission cutting ferrule 12 in inner spindle 10, is equipped with Bidirectional pulling between 14 inner hole step surface of upper power transmission cutting ferrule 12 and casing end cap Power bearing 13.The upper power transmission cutting ferrule 12 is T-type structure, and upper end is contacted with the flange bottom of mandrel 10, lower part and Bidirectional pulling The upper circle of power bearing 13 is interference fitted.Positioning sleeve 15 is equipped between the mandrel 10 and the lower circle of two-direction thrust bearing 13, it is two-way Thrust bearing 13 can improve the functional reliability of drilling tool under the practical drilling condition of continuous compression.14 inner hole of casing end cap Outside framework oil seal 11 is equipped at upper end.
Lower power transmission cutting ferrule 17, lower power transmission cutting ferrule 17 and casing end cap are set in 14 lower part inner hole inner spindle 10 of casing end cap Between 14 inner hole step surfaces be equipped with thrust bearing 16, between lower power transmission cutting ferrule 17 and locking nut 20 be equipped with deep groove ball bearing 18 and Washer 19, washer 19 is between locking nut 20 and deep groove ball bearing 18.In 21 both ends of inner pipe joint are respectively equipped with Hole 211 and inner hole 212, inner hole 211 and the casing end cap 14 of upper end are spirally connected;211 side wall of inner hole be equipped with connection inner hole 211 with it is interior The through-hole 213 of lacuna between pipe fitting 21 and outer tube 23.The inner hole 212 of 21 lower end of inner pipe joint and the inner hole of rock core bushing pipe 25 connect It is logical, be equipped with return water ball valve 22 in inner hole 212,212 side wall of inner hole be equipped with connection inner hole 213 and outer tube 23 and inner pipe joint 21 it Between lacuna through-hole 214.Outside framework oil seal 11 and inner pipe joint 21 make two-direction thrust bearing 13, thrust bearing 16, deep-groove ball axis It holds 18 to be located in closed cavity body structure, it is therefore prevented that the corrosion of seawater improves service life.
As shown in figure 3, the lower part of advanced 28 inner hole of Zhu's nozzle is equipped with the centering cylinder 281 for the centering of rock core bushing pipe Annular concave barb dovetail groove is equipped with the medial surface of positioning step 282, advanced Zhu's nozzle inner hole of 282 lower section of positioning step 283, the quantity of barb dovetail groove 283 can increase and decrease according to formation characteristics.Female barb dovetail groove 283 is boring the utility model Into small to soil sample level of disruption in the process, expansion self-locking effect during pulling out the heart using soil sample carries out the card heart, reduces rock core The surface scratches of sample reduce the level of disruption of sample, and without additional configuration circlip, reduce while improving sample quality existing Field work operations amount
The specifically used method of the utility model is as follows: before drilling starts, manipulator crawl inner tube assembly moves to drilling machine hole Mouth position, transfers the predetermined position into hole outer bottom pipe assembly for inner tube assembly using the rope salvaging mechanism on drilling machine, makes to hang Link is in contact to realize that inner tube assembly is positioned with the fillet surface of seat ring step lower part, carries out drilling operation.It can be used when operation Pure indentation coring mode soil sampling, if the compression of pure press mode is excessive to can also be used rotary drilling mode.After sampling, bore Tool assembly moves up certain distance and carries out card heart operation, so that soil sample is existed using the multiple tracks barb type dovetail groove mechanism of the advanced end Zhu Zui Expansion self-locking effect is generated during the card heart, is avoided the soil body sample in drilling process from falling while reducing soil sample disturbance and is lost It loses.

Claims (4)

1. a kind of engineering exploration cord coring drill suitable for seabed drilling machine, including outer pipe assembly and inner tube assembly, described Outer pipe assembly includes sequentially connected bullet card shelves head, bullet card room, outer tube, reamer and drill bit;The inner tube assembly includes fishing Spearhead, plays clamping stent, single action mechanism, inner pipe joint, return water ball valve, inner tube and rock core bushing pipe at bullet card positioning mechanism;Fish out spearhead with The connection of bullet card positioning mechanism, bullet card positioning mechanism are placed in bullet card interior, and bullet card positioning mechanism is connect with clamping stent is played;Play clamping stent Side wall is equipped with hanging ring, and hanging ring is placed on the seat ring on outer tube wall;It plays clamping stent to connect with single action mechanism, single action mechanism It is connect with inner pipe joint, the lower end of inner pipe joint and the upper end of inner tube connect, and rock core bushing pipe is arranged in inner tube;
It is characterized in that: the single action mechanism includes mandrel, casing end cap, upper power transmission cutting ferrule and lower power transmission cutting ferrule;Mandrel it is upper End is connect with clamping stent is played, and the lower end of mandrel passes through casing end cap, and the lower end of mandrel is equipped with locking nut;Casing end cap central bore For stepped hole, both ends diameter is greater than mid diameter;Sleeve end, which covers, is set with power transmission cutting ferrule, upper power transmission in portion's inner hole inner spindle It is equipped with two-direction thrust bearing between cutting ferrule and casing end cap inner hole step surface, is equipped with outside framework oil seal at casing end cap inner hole upper end; It is set with lower power transmission cutting ferrule in the inner hole inner spindle of casing end cap lower part, is set between lower power transmission cutting ferrule and casing end cap inner hole step surface There is thrust bearing, deep groove ball bearing is equipped between lower power transmission cutting ferrule and locking nut;The inner pipe joint both ends are respectively equipped with Inner hole, inner hole and the casing end cap of upper end are spirally connected, which, which is equipped with, is connected between the inner hole and inner pipe joint and outer tube The through-hole of lacuna;The inner hole of inner pipe joint lower end is connected to the inner hole of rock core bushing pipe, and return water ball valve, the inner hole are equipped in the inner hole Side wall is equipped with the through-hole for being connected to lacuna between the inner hole and outer tube and inner pipe joint.
2. the engineering exploration cord coring drill according to claim 1 suitable for seabed drilling machine, it is characterized in that: described Upper power transmission cutting ferrule is T-type structure, and upper end is contacted with mandrel flange bottom, the upper circle interference fit of lower part and two-direction thrust bearing; Positioning sleeve is equipped between the mandrel and the lower circle of two-direction thrust bearing.
3. the engineering exploration cord coring drill according to claim 1 suitable for seabed drilling machine, it is characterized in that: inner tube Lower end is connect with advanced Zhu's nozzle, and the lower part of the inner hole of advanced Zhu's nozzle is equipped with the centering cylinder for the centering of rock core bushing pipe and determines Position step, the lower end of rock core bushing pipe is placed on the limited step of advanced Zhu's nozzle;Advanced Zhu's nozzle inner hole below positioning step it is interior Side is equipped with annular concave barb dovetail groove.
4. the engineering exploration cord coring drill according to claim 1 suitable for seabed drilling machine, it is characterized in that: described The upper and lower end parts of seat ring inner hole are equipped with step surface;Inner hole between two step surfaces is equipped with chamfering.
CN201821060099.4U 2018-07-05 2018-07-05 A kind of engineering exploration cord coring drill suitable for seabed drilling machine Active CN208605152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821060099.4U CN208605152U (en) 2018-07-05 2018-07-05 A kind of engineering exploration cord coring drill suitable for seabed drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821060099.4U CN208605152U (en) 2018-07-05 2018-07-05 A kind of engineering exploration cord coring drill suitable for seabed drilling machine

Publications (1)

Publication Number Publication Date
CN208605152U true CN208605152U (en) 2019-03-15

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Application Number Title Priority Date Filing Date
CN201821060099.4U Active CN208605152U (en) 2018-07-05 2018-07-05 A kind of engineering exploration cord coring drill suitable for seabed drilling machine

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CN (1) CN208605152U (en)

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