CN205714060U - Lock claw suspension type pressurization coring apparatus - Google Patents
Lock claw suspension type pressurization coring apparatus Download PDFInfo
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- CN205714060U CN205714060U CN201620672159.2U CN201620672159U CN205714060U CN 205714060 U CN205714060 U CN 205714060U CN 201620672159 U CN201620672159 U CN 201620672159U CN 205714060 U CN205714060 U CN 205714060U
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Abstract
This utility model relates to down-hole coring apparatus technical field, being a kind of lock claw suspension type pressurization coring apparatus, it includes top connection, bearing block, urceolus, drill bit, sleeve, tap, lock claw sleeve, lock claw, pilot sleeve, stop collar, pressure-bearing joint, inner core and core grabber.This utility model reasonable and compact in structure, after end of coring, by pressurization, after unlocking lock claw, pressure cuffs, pilot sleeve, stop collar and gland continue traveling downwardly promotion pressure-bearing joint, inner core, force the core grabber contraction distortion being arranged on inner core lower end, the purpose that reaching pressurizes cores, finally putting into and unload the pin that release puts by pressure ball and cut off, the pressure relief vent on sleeve exposes, and circulation of drilling fluid can be unimpeded.Using this utility model to hang more reliable, convenient for unlocking, release is accessible, realizes core-drilling by putting into corresponding pitching, cuts the heart, release, thus completes whole process of coring, convenient and swift convenient to carry out.
Description
Technical field
This utility model relates to down-hole coring apparatus technical field, is a kind of lock claw suspension type pressurization coring apparatus.
Background technology
At present pressurized coring tool is cored the topmost means being to improve broken ground core recovery, and adding pressure type takes
Heart instrument is through the mode of mechanical pressurization or hydraulic pressurization makes coring inner drum disengage with urceolus, then mechanical force or liquid
Pressure presses down inner core to force the core gripper with slip-collar (tackling all problems at once) being arranged on inner core lower end to shrink, and produces permanent deformation, thus
Core breaking, and hold rock core with the core grabber shunk, fall the heart when preventing from carrying drilling tool.But it is outstanding that pressurized coring tool has
It is unreliable to hang, and causes inner/outer tube in going down process to disengage in advance, and the pressurized coring tool even having unlocks dumb, causes and adds
Pressure cuts heart difficulty, some pressurized coring tool releases difficulty, and when carrying brill, well head is to mud, brings the biggest trouble to construction.
Summary of the invention
This utility model provides a kind of lock claw suspension type pressurization coring apparatus, overcomes the deficiency of above-mentioned prior art,
It can effectively solve, and the existence suspension of existing pressurized coring tool is unreliable, unlock dumb and that release is difficult problem.
The technical solution of the utility model is realized by following measures: a kind of lock claw suspension type pressurization is cored dress
Put, including top connection, bearing block, urceolus, drill bit, sleeve, tap, lock claw sleeve, lock claw, pilot sleeve, stop collar, hold
Crimp head, inner core and core grabber；Being provided with baffle ring in the lower inner wall of top connection and install inner groove, the upper inside wall of bearing block sets
Put installation annular groove, the bottom outer wall of bearing block is provided with lower installation annular groove, the bottom outer wall of top connection and upper installation annular groove
Being fixedly installed togather, lower installation annular groove is fixedly installed togather with the upper inside wall of urceolus, the lower end outer wall of urceolus and drill bit
Upper end inwall be fixedly installed togather；Be fixed with connection land on the upper end outer wall of sleeve, connect the outer wall of land with on connect
The upper inside wall of head is fixedly installed togather；The middle part of tap is circumferentially radially distributed with the circulation port of at least one, follows
It is fixed with bearing land on tap outer wall above annular distance, the bearing block inwall below upper installation annular groove is provided with axle
Carrier ring groove, tap is positioned at top connection bottom, bearing block, the ring cavity of urceolus top formation, dividing above bearing land
Stream joint outer wall is provided with thrust bearing in bearing annular groove, and the tap outer wall above thrust bearing is provided with and baffle ring
The corresponding baffle ring of inner groove is installed outer groove is installed, install in inner groove installs outer groove with baffle ring at baffle ring and be provided with elasticity
Baffle ring；The lower inner wall of tap is fixedly installed togather with the external wall of upper portion of lock claw sleeve, the bottom outer wall of lock claw sleeve
On circumferentially radial equipartition have at least two lock claw install elongated slot, corresponding each lock claw install elongated slot top lock claw sleeve on
It is provided with pawl head installing hole；Lock claw includes lock claw body, and the most radially fixed on the upper surface of lock claw body have and lock claw
Installing the lock clavus that elongated slot is corresponding, the inner upper end at each lock clavus is fixed with pawl head, and the bottom of lock claw body uniformly sets
Being equipped with at least two axial lock claw elongated slots, every lock clavus is positioned at lock claw corresponding thereto and installs elongated slot, and pawl head is placed in
In pawl head installing hole corresponding thereto；It is installed with by release pin on the upper end inwall of sleeve and unloads gland, connecting
Below land, correspondence unloads the pressure relief vent being circumferentially radially distributed with at least one on the sleeve of gland, and the top of pressure cuffs is positioned at set
Cylinder in and be fixedly installed togather by sleeve pin with sleeve, the pressure cuffs below sleeve is circumferentially radially distributed with to
The circulation duct of few one, the bottom of pressure cuffs is positioned at tap and the cavity of lock claw upper cartridge formation；Pilot sleeve
It is positioned at the cavity that lock claw sleeve and lock claw are formed, the lower end outer wall of pilot sleeve is fixed with corresponding with lock claw elongated slot convex
Platform, boss is positioned at the outer end of lock claw elongated slot corresponding thereto and boss and is positioned at the outside of lock claw elongated slot, and lock claw is set with
There is gland, be fixedly installed togather by gland pin between upper end and the lock claw sleeve of gland, the lower end inner wall of gland sets
Being equipped with the gland stopper slot corresponding with boss, the upper end of stop collar is provided with the stopper slot corresponding with boss, under gland
End outer wall is fixedly installed togather with the inwall of stopper slot, and gland stopper slot forms boss stopper slot with stopper slot, is positioned at lock claw
Boss outside elongated slot is positioned at boss stopper slot, and the lower end outer wall of lock claw body fixedly mounts with the upper end inwall of pressure-bearing joint
Together, the lower inner wall of pressure-bearing joint is installed with ball seat, in the bottom outer wall of pressure-bearing joint and the upper end of inner core
Wall is fixedly installed togather, and the pressure-bearing joint outer wall above inner core is provided with outer land；It is provided with in the lower inner wall of drill bit
Guide table wide at the top and narrow at the bottom, the lower end outer wall of inner core is fixedly installed togather with the upper inside wall of core grabber, the pawl head of core grabber
It is positioned in guide table, the drill bit of corresponding guide table is provided with axial brill liquid circulation port.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
On the bottom outer wall of above-mentioned lock claw sleeve, circumferentially radial equipartition has four lock claw to install elongated slot, under lock claw body
Portion is evenly arranged with four axial lock claw elongated slots.
Unloading below above-mentioned pressure relief vent is provided with sealing ring between gland and sleeve, be provided with close between pressure cuffs and sleeve
Seal.
The bottom outer wall of above-mentioned top connection is threadably secured with upper installation annular groove and is installed together, and lower installation annular groove is with outer
The upper inside wall of cylinder is threadably secured and is installed together, and the lower end outer wall of urceolus is threadably secured with the upper end inwall of drill bit
Being installed together, the upper inside wall of the outer wall and top connection that connect land is threadably secured and is installed together, tap
The external wall of upper portion of lower inner wall and lock claw sleeve is threadably secured and is installed together, and the lower end outer wall of gland is interior with stopper slot
Wall is threadably secured and is installed together, and the upper end inwall of the lower end outer wall of lock claw and pressure-bearing joint is threadably secured and is arranged on
Together, the bottom outer wall of pressure-bearing joint is threadably secured with the upper end inwall of inner core and is installed together, the lower end outer wall of inner core
It is threadably secured with the upper inside wall of core grabber and is installed together.
This utility model reasonable and compact in structure, after end of coring, by pressurization, is unlocking after lock claw, pressure cuffs, leads
Continue traveling downwardly promotion pressure-bearing joint, inner core to sleeve, stop collar and gland, force the core grabber being arranged on inner core lower end to shrink and become
Shape, the purpose that reaching pressurizes cores, finally put into and unload the pin that release puts by pressure ball and cut off, the pressure relief vent on sleeve exposes,
Circulation of drilling fluid can be unimpeded.Using this utility model to hang more reliable, convenient for unlocking, release is accessible, corresponding by putting into
Pitching realizes core-drilling, cuts the heart, release, thus completes whole process of coring, convenient and swift convenient to carry out.
Accompanying drawing explanation
Accompanying drawing 1 is that the top half master of this utility model embodiment regards sectional structure schematic diagram.
Accompanying drawing 2 is that the latter half of this utility model embodiment is main regarding sectional structure schematic diagram.
Accompanying drawing 3 is the main TV structure schematic diagram of lock claw in this utility model.
It is top connection that coding in accompanying drawing is respectively as follows: 1, and 2 is bearing block, and 3 is urceolus, and 4 is drill bit, and 5 is sleeve, and 6 for even
T-Ring platform, 7 is tap, and 8 is circulation port, and 9 is bearing land, and 10 is thrust bearing, and 11 is elastic baffle ring, and 12 is lock claw set
Cylinder, 13 is pawl head installing hole, and 14 is lock claw body, and 15 is lock clavus, and 16 is pawl head, and 17 is lock claw elongated slot, and 18 is release pin,
19 for unloading gland, and 20 is pressure relief vent, and 21 is pressure cuffs, and 22 is sleeve pin, and 23 is circulation duct, and 24 is pilot sleeve, and 25 are
Boss, 26 is gland, and 27 is gland pin, and 28 is stop collar, and 29 is pressure-bearing joint, and 30 is ball seat, and 31 is inner core, and 32 is outer shroud
Platform, 33 is guide table, and 34 is core grabber, and 35 for boring liquid circulation port, and 36 is sealing ring, and 37 for coring pitching, and 38 is pressurizing ball, 39
For unloading pressure ball.
Detailed description of the invention
This utility model is not limited by following embodiment, can come with practical situation according to the technical solution of the utility model
Determine specific embodiment.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to description
The Butut mode of accompanying drawing 1 is described, such as: the position relationship of upper and lower, left and right etc. is based on the Butut of Figure of description
Direction determines.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
As shown in accompanying drawing 1,2,3, this lock claw suspension type pressurization coring apparatus includes top connection 1, bearing block 2, urceolus 3, bores
4, sleeve 5, tap 7, lock claw sleeve 12, lock claw, pilot sleeve 24, stop collar 28, pressure-bearing joint 29, inner core 31 and rock
Heart pawl 34；Being provided with baffle ring in the lower inner wall of top connection 1 and install inner groove, the upper inside wall of bearing block 2 arranges mounting ring
Groove, the bottom outer wall of bearing block 2 is provided with lower installation annular groove, and the bottom outer wall of top connection 1 fixedly mounts with upper installation annular groove
Together, lower installation annular groove is fixedly installed togather with the upper inside wall of urceolus 3, the lower end outer wall of urceolus 3 and the upper end of drill bit 4
Inwall is fixedly installed togather；It is fixed with connection land 6 on the upper end outer wall of sleeve 5, connects outer wall and the top connection 1 of land 6
Upper inside wall be fixedly installed togather；The middle part of tap 7 is circumferentially radially distributed with the circulation port 8 of at least one, follows
It is fixed with bearing land 9 on tap 7 outer wall above annular distance 8, bearing block 2 inwall below upper installation annular groove is arranged
Bearing annular groove, tap 7 is had to be positioned at top connection 1 bottom, bearing block 2, the ring cavity of urceolus 3 top formation, in bearing land 9
It is provided with thrust bearing 10, tap 7 outer wall above thrust bearing 10 in tap 7 outer wall of top and bearing annular groove
On be provided with and with baffle ring, the corresponding baffle ring of inner groove be installed outer groove is installed, at baffle ring, inner groove is installed, with baffle ring, outer shroud is installed
Elastic baffle ring 11 it is provided with in groove；The lower inner wall of tap 7 is fixedly installed togather with the external wall of upper portion of lock claw sleeve 12,
On the bottom outer wall of lock claw sleeve 12, circumferentially radial equipartition has the lock claw of at least two to install elongated slot, and corresponding each lock claw is installed
Pawl head installing hole 13 it is provided with on the lock claw sleeve 12 on elongated slot top；Lock claw includes lock claw body 14, upper at lock claw body 14
The most radially fixed on end face have the lock clavus 15 corresponding with lock claw installation elongated slot, in the inner upper end of each lock clavus 15
Being fixed with pawl head 16, the bottom of lock claw body 14 is evenly arranged with at least two axial lock claw elongated slots 17, every lock clavus 15
Being positioned at lock claw corresponding thereto and install elongated slot, pawl head 16 is placed in pawl head installing hole 13 corresponding thereto；Sleeve 5 upper
It is installed with by release pin 18 on end inwall and unloads gland 19, connecting corresponding below land 6 unloading on the sleeve 5 of gland 19
Circumferentially being radially distributed with the pressure relief vent 20 of at least one, the top of pressure cuffs 21 is positioned at sleeve 5 and with sleeve 5 by set
Cylinder pin nail 22 is fixedly installed togather, and the pressure cuffs 21 below sleeve 5 is circumferentially radially distributed with the circulation port of at least one
Road 23, the bottom of pressure cuffs 21 is positioned at tap 7 and the cavity of lock claw sleeve 12 top formation；Pilot sleeve 24 is positioned at lock
In the cavity that pawl sleeve 12 and lock claw are formed, the lower end outer wall of pilot sleeve 24 is fixed with corresponding with lock claw elongated slot 17 convex
Platform 25, boss 25 is positioned at the outer end of lock claw elongated slot 17 corresponding thereto and boss 25 and is positioned at the outside of lock claw elongated slot 17,
It is set with gland 26 in lock claw, is fixedly installed togather by gland pin 27 between upper end and the lock claw sleeve 12 of gland 26,
Being provided with the gland stopper slot corresponding with boss 25 on the lower end inner wall of gland 26, the upper end of stop collar 28 is provided with and boss
25 corresponding stopper slots, the lower end outer wall of gland 26 is fixedly installed togather with the inwall of stopper slot, gland stopper slot and limit
Position groove forms boss stopper slot, is positioned at the boss 25 outside lock claw elongated slot 17 and is positioned at boss stopper slot, the lower end of lock claw body
Outer wall is fixedly installed togather with the upper end inwall of pressure-bearing joint 29, is installed with ball in the lower inner wall of pressure-bearing joint 29
Seat 30, the bottom outer wall of pressure-bearing joint 29 is fixedly installed togather with the upper end inwall of inner core 31, and the pressure-bearing above inner core 31 connects
It is provided with outer land 32 on 29 outer walls；Guide table 33 wide at the top and narrow at the bottom, inner core 31 times it is provided with in the lower inner wall of drill bit 4
End outer wall is fixedly installed togather with the upper inside wall of core grabber 34, and the pawl head of core grabber 34 is positioned in guide table 33, and correspondence is led
Axial brill liquid circulation port 35 it is provided with on the drill bit 4 of platform 33.
The number in circulation port 8, pressure relief vent 20 and circulation duct 23 needs to arrange according to concrete actual production operational circumstances
Corresponding number；Lock claw can use the device in prior art with similar structures in this utility model Yu function, core grabber
34 and drill bit 4 be existing known technology.
Before coring during well-flushing, drilling fluid can clean inner core by ball seat 30 duct, after well-flushing terminates, throws at kelly bar
The pitching 37 that enters to core, on ball seat 30, is closed inner core 31 passage, is started to core.Core after end, at standpipe, put into pressurization
Ball 38, pressurizing ball 38 falls in pressure cuffs 21, slowly suppresses pump, promotes pressure cuffs 21 descending, and sleeve pin 22 is cut off, pressure cuffs
21 continue traveling downwardly promotion pilot sleeve 24, and pilot sleeve 24 descending drive stop collar 28, gland 26 are descending, and gland pin 27 is cut
Disconnected, gland 26 is descending along with pilot sleeve 24, departs from lock claw, and lock claw unlocks, continuing traveling downwardly of pressure cuffs 21, pilot sleeve 24,
Stop collar 28, gland 26 also continue to descending, until stop collar 28 goes downwards to the outer land 32 of pressure-bearing joint 29, at the work of hydraulic coupling
Under with, promote pressure-bearing joint 29, inner core 31 and core grabber 34 descending, force the claw work in guide table 33 of core grabber 34 lower end
Produce permanent deformation to contract smoothly with lower, reach to cut rock core and the purpose of support rock core；Core grabber 34 shrinks when putting in place,
Pressure cuffs 21 also goes downwards to the position of sleeve 5 lower sleeve pin 22, and in the case of height is pumped, pressure can slowly decline.Stop
Only suppressing pump, pressurization is cut heart process and is completed；If now carrying brill, in pit shaft, drilling fluid is difficult between pressure cuffs 21 and sleeve 5
Gap is passed through, and well head can be caused to spray mud phenomenon, therefore also needs to put at standpipe unload pressure ball 39, unloads pressure ball 39 and sit on release
After on set 19, suppressing pump pressurization, cut off by release pin 18, unload gland 19 and fall, the pressure relief vent 20 on sleeve 5 exposes, under pump pressure
Fall, drilling fluid is capable of circulation unimpeded, so that not havinging well head spray mud phenomenon during carrying brill, it is ensured that put forward the peace of drill-through journey
Entirely.
According to actual needs above-mentioned lock claw suspension type pressurization coring apparatus can be made further optimization and/or improvements:
As required, on the bottom outer wall of lock claw sleeve 12, circumferentially radial equipartition has four lock claw to install elongated slot, lock claw
The bottom of body 14 is evenly arranged with four axial lock claw elongated slots 17.It is provided with four lock claw and elongated slot, corresponding setting are installed
There are four lock clavus 15, so ensure that lock claw to have preferably and hang stability；It is provided with four axial lock claw elongated slots
17, corresponding is just provided with four boss 25, so can guarantee that the stability between pilot sleeve 24 and lock claw；Reality, if
It is equipped with three lock claw and elongated slot and three axial lock claw elongated slots 17 are installed, the most substantially can guarantee that preferable stability.
As shown in accompanying drawing 1,2,3, unloading below pressure relief vent 20 is provided with sealing ring 36 between gland 19 and sleeve 5, pressurization
It is provided with sealing ring 36 between set 21 and sleeve 5.Pressure relief vent 20 can be carried out the closeest by the sealing ring 36 below pressure relief vent 20
Envelope.
As shown in accompanying drawing 1,2,3, the bottom outer wall of top connection 1 is threadably secured with upper installation annular groove and is installed together,
The upper inside wall of lower installation annular groove and urceolus 3 is threadably secured and is installed together, and the lower end outer wall of urceolus 3 is upper with drill bit 4
End inwall is threadably secured and is installed together, and the upper inside wall of the outer wall and top connection 1 that connect land 6 is threadably secured peace
Being fitted together, the external wall of upper portion of the lower inner wall of tap 7 and lock claw sleeve 12 is threadably secured and is installed together, gland
The lower end outer wall of 26 is threadably secured with the inwall of stopper slot and is installed together, and the lower end outer wall of lock claw body 14 connects with pressure-bearing
The upper end inwall of 29 is threadably secured and is installed together, and the bottom outer wall of pressure-bearing joint 29 leads to the upper end inwall of inner core 31
Crossing is screwed is installed together, and the upper inside wall of the lower end outer wall of inner core 31 and core grabber 34 is threadably secured and is arranged on one
Rise.Threaded convenient installation and dismounting.
Using this utility model to hang more reliable, convenient for unlocking, release is accessible, realizes taking by putting into corresponding pitching
The heart creeps into, cuts the heart, release, thus completes whole process of coring, convenient and swift convenient to carry out.
Above technical characteristic constitutes embodiment of the present utility model, and it has stronger adaptability and implementation result, can
Increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (5)
1. lock claw suspension type pressurization coring apparatus, it is characterised in that include top connection, bearing block, urceolus, drill bit, sleeve,
Tap, lock claw sleeve, lock claw, pilot sleeve, stop collar, pressure-bearing joint, inner core and core grabber；The lower inner wall of top connection
On be provided with baffle ring install inner groove, the upper inside wall of bearing block arranges installation annular groove, on the bottom outer wall of bearing block arrange
Having lower installation annular groove, the bottom outer wall of top connection is fixedly installed togather with upper installation annular groove, and lower installation annular groove is upper with urceolus
Portion's inwall is fixedly installed togather, and the lower end outer wall of urceolus is fixedly installed togather with the upper end inwall of drill bit；The upper end of sleeve
Being fixed with connection land on outer wall, the upper inside wall of the outer wall and top connection that connect land is fixedly installed togather；Tap
Middle part be circumferentially radially distributed with at least one circulation port, the tap outer wall above circulation port is fixed with bearer ring
Platform, the bearing block inwall below upper installation annular groove is provided with bearing annular groove, and tap is positioned at top connection bottom, bearing
In the ring cavity that seat, urceolus top are formed, in the tap outer wall above bearing land and bearing annular groove, it is provided with thrust axis
Hold, the tap outer wall above thrust bearing be provided with the baffle ring installation outer groove that inner groove is corresponding is installed with baffle ring,
Install in inner groove installs outer groove with baffle ring at baffle ring and be provided with elastic baffle ring；The lower inner wall of tap and lock claw sleeve
External wall of upper portion be fixedly installed togather, on the bottom outer wall of lock claw sleeve, circumferentially radial equipartition has the lock claw of at least two to pacify
Dress elongated slot, corresponding each lock claw is installed and is provided with pawl head installing hole on the lock claw sleeve on elongated slot top；Lock claw includes lock claw body,
The most radially fixed on the upper surface of lock claw body have the lock clavus corresponding with lock claw installation elongated slot, at each lock clavus
Inner upper end be fixed with pawl head, the bottom of lock claw body is evenly arranged with at least two axial lock claw elongated slots, every lock claw
Sheet is positioned at lock claw corresponding thereto and installs elongated slot, and pawl head is placed in pawl head installing hole corresponding thereto；The upper end of sleeve
It is installed with by release pin on inwall and unloads gland, corresponding below land unload on the sleeve of gland circumferentially radially connecting
At least one pressure relief vent is distributed, and the top of pressure cuffs is positioned at sleeve and is fixedly mounted on by sleeve pin with sleeve
Together, the pressure cuffs below sleeve being circumferentially radially distributed with the circulation duct of at least one, the bottom of pressure cuffs is positioned at point
In the cavity that stream joint and lock claw upper cartridge are formed；Pilot sleeve is positioned at lock claw sleeve and the cavity of lock claw formation, guides
Being fixed with the boss corresponding with lock claw elongated slot on the lower end outer wall of sleeve, boss is positioned at lock claw elongated slot corresponding thereto also
And the outer end of boss is positioned at the outside of lock claw elongated slot, lock claw is set with gland, passes through between upper end and the lock claw sleeve of gland
Gland pin is fixedly installed togather, and the lower end inner wall of gland is provided with the gland stopper slot corresponding with boss, stop collar
Upper end be provided with the stopper slot corresponding with boss, the lower end outer wall of gland is fixedly installed togather with the inwall of stopper slot,
Gland stopper slot forms boss stopper slot with stopper slot, is positioned at the boss outside lock claw elongated slot and is positioned at boss stopper slot, lock claw
The lower end outer wall of body is fixedly installed togather with the upper end inwall of pressure-bearing joint, fixing peace in the lower inner wall of pressure-bearing joint
Equipped with ball seat, the bottom outer wall of pressure-bearing joint is fixedly installed togather with the upper end inwall of inner core, the pressure-bearing joint above inner core
Outer land it is provided with on outer wall；Guide table wide at the top and narrow at the bottom, the lower end outer wall of inner core and rock it is provided with in the lower inner wall of drill bit
The upper inside wall of heart pawl is fixedly installed togather, and the pawl head of core grabber is positioned in guide table, and the drill bit of corresponding guide table is arranged
There is axial brill liquid circulation port.
Lock claw suspension type the most according to claim 1 pressurization coring apparatus, it is characterised in that the bottom outer wall of lock claw sleeve
On circumferentially radial equipartition have four lock claw that elongated slots are installed, it is long that the bottom of lock claw body is evenly arranged with four axial lock claw
Groove.
Lock claw suspension type the most according to claim 1 and 2 pressurization coring apparatus, it is characterised in that the release below pressure relief vent
It is provided with sealing ring between set and sleeve, between pressure cuffs and sleeve, is provided with sealing ring.
Lock claw suspension type the most according to claim 1 and 2 pressurization coring apparatus, it is characterised in that the bottom outer wall of top connection
Being threadably secured with upper installation annular groove and be installed together, lower installation annular groove is threadably secured installation with the upper inside wall of urceolus
Together, the upper end inwall of the lower end outer wall of urceolus and drill bit is threadably secured and is installed together, connect the outer wall of land with
The upper inside wall of top connection is threadably secured and is installed together, the lower inner wall of tap and the external wall of upper portion of lock claw sleeve
Being threadably secured and be installed together, the lower end outer wall of gland is threadably secured with the inwall of stopper slot and is installed together, lock
The upper end inwall of the lower end outer wall of pawl and pressure-bearing joint is threadably secured and is installed together, and the bottom outer wall of pressure-bearing joint is with interior
The upper end inwall of cylinder is threadably secured and is installed together, and the lower end outer wall of inner core and the upper inside wall of core grabber are solid by screw thread
Dingan County is fitted together.
Lock claw suspension type the most according to claim 3 pressurization coring apparatus, it is characterised in that the bottom outer wall of top connection with
Upper installation annular groove is threadably secured and is installed together, and the upper inside wall of lower installation annular groove and urceolus is threadably secured and is arranged on
Together, the upper end inwall of the lower end outer wall of urceolus and drill bit is threadably secured and is installed together, and connects the outer wall of land with upper
The upper inside wall of joint is threadably secured and is installed together, and the lower inner wall of tap is logical with the external wall of upper portion of lock claw sleeve
Crossing is screwed is installed together, and the lower end outer wall of gland is threadably secured with the inwall of stopper slot and is installed together, lock claw
The upper end inwall of lower end outer wall and pressure-bearing joint be threadably secured and be installed together, the bottom outer wall of pressure-bearing joint and inner core
Upper end inwall be threadably secured and be installed together, the lower end outer wall of inner core is threadably secured with the upper inside wall of core grabber
It is installed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672159.2U CN205714060U (en) | 2016-06-30 | 2016-06-30 | Lock claw suspension type pressurization coring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620672159.2U CN205714060U (en) | 2016-06-30 | 2016-06-30 | Lock claw suspension type pressurization coring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714060U true CN205714060U (en) | 2016-11-23 |
Family
ID=57318785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620672159.2U Withdrawn - After Issue CN205714060U (en) | 2016-06-30 | 2016-06-30 | Lock claw suspension type pressurization coring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927175A (en) * | 2016-06-30 | 2016-09-07 | 中国石油集团西部钻探工程有限公司 | Locking jaw suspension type pressurized coring device |
-
2016
- 2016-06-30 CN CN201620672159.2U patent/CN205714060U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927175A (en) * | 2016-06-30 | 2016-09-07 | 中国石油集团西部钻探工程有限公司 | Locking jaw suspension type pressurized coring device |
| CN105927175B (en) * | 2016-06-30 | 2018-05-25 | 中国石油集团西部钻探工程有限公司 | Lock claw suspension type pressurization coring apparatus |
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