CN208252068U - A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit - Google Patents
A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit Download PDFInfo
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- CN208252068U CN208252068U CN201820404021.3U CN201820404021U CN208252068U CN 208252068 U CN208252068 U CN 208252068U CN 201820404021 U CN201820404021 U CN 201820404021U CN 208252068 U CN208252068 U CN 208252068U
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- drill bit
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- drilling tool
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Abstract
A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit, including the disconnected device pin shaft of hot-water line, drilling tool water inlet pipe, water inlet pipe wiper block, water stopping cap, upper exterior tube, piston/cylinder, sealing ring, piston, piston rod, piston rod wiper block, sliding support, correcting bar, spring, hold-down support, drill bit, card, the disconnected device of card, circlip, circlip fixing screws, drill bit attachment screw, hose, rotating pin, strut, ice core pipe, mandril, lower outer pipe and screw.The utility model uses pressure activated mode, and after so that drilling tool is reached bottom hole, three ice core pipes of carrying are opened, and complete drilling sampling, and can repeatedly be transferred drilling tool and be carried out multi-point sampling, so that the bottom hole sampling quantity of the same drilling greatly increases.Utility model works are reliable, easy to operate, are used cooperatively with hot water drill system, and bottom hole multiple spot multiple repairing weld is completed when not increasing landscape apparatus, greatly reduce construction cost, and a whole set of drilling tool few easy workout part, long service life.
Description
Technical field
The utility model relates to a kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bits.
Background technique
Current about 11% earth land surface is covered with by ice sheet, including glacier, ice cap and the South Pole and
The ice sheet in Greenland.Polar ice sheet material balance and the influence changed to Global climate change have accumulated a large amount of data and money
Material.Ice shelf material balance is one of the main process of ice sheet dynamic change, accurately grasps ice shelf material balance process, is likely to
Accurate quantification studies the dynamic change of polar ice sheet and its (sea level, ocean ocean current circulation and atmosphere follow to global environmental change
Ring etc.) influence.Ice shelf material balance process mainly includes the input of glacier ice stream, the accumulation of ice shelf surface and ablation, ice shelf leading edge
Burst apart with the freeze thawing of ice shelf bottom etc., the iceberg fracture that ice shelf leading edge occurs, can pass through satellite remote sensing and aerial survey data carries out.
However, directly observation ice shelf bottom thawing and freeze just it is relatively difficult, so far, to ice shelf bottom carry out direct observation
Only a limited number of place, mostly by hole, drill or the crevasse of self-assembling formation carry out.If ice shelf bottom ice can be obtained
Core sample carries out physicochemical analysis, will have to research ice shelf bottom material equilibrium process, ice shelf and ocean interaction mechanism
It plays an important role.The drilling and sample mode generallyd use in the world at present is mostly that the highest hot water of efficiency bores, and hot water bores injection
When ice-melt pore-forming, coring drilling is being carried out close to basal and lower beds, but same drilling can only in same layer position for conventional hot water's drill system
An ice core is obtained, sampling amount is few, tends not to meet the needs of scientist is to sample.
Summary of the invention
The purpose of this utility model provides a kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit.The utility model
It is designed based on hot water drill system, uses hot water drilled as holes first, then by drilling tool tripping in hole, adopted after reaching ice shelf bottom
Core bit is opened with hydraulic pressure triggering mode, and completes to creep into from bottom to top and sample by drill bit.The utility model cooperation
Hot water drill system uses, and when not increasing landscape apparatus, can complete ice shelf or ice sheet bottom ice sheet coring drilling well,
Structure is simple, and drilling efficiency is high, and sampling quantity is big, can substantially reduce cost.
A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit, including hot-water line, drilling tool water inlet pipe, water inlet pipe are helped
Positive block, water stopping cap, upper exterior tube, piston/cylinder, sealing ring, piston, piston rod, piston rod wiper block, sliding support, correcting bar,
Spring, drill bit, blocks disconnected device pin shaft, blocks disconnected device, circlip, circlip fixing screws, drill bit attachment screw, hose, rotation hold-down support
Pin shaft, strut, ice core pipe, mandril, lower outer pipe and screw；
Hot-water line is connected with drilling tool water inlet pipe top, and drilling tool water inlet pipe lower part, using being threadedly coupled, intakes with piston/cylinder
Pipe wiper block is fixed at the top of upper exterior tube by M8 screw, and inner hole plays centralizing function, upper exterior tube top to drilling tool water inlet pipe
Water stopping cap is also fixed with by M5 screw, upper exterior tube lower end is fixed on piston/cylinder by M8 screw；
Piston is mounted in piston/cylinder, is equipped with two seals thereon, and lower end has been threadably secured piston rod, living
Plug and piston rod axially can freely up and down be slided along piston/cylinder, and piston rod wiper block is fixed on piston/cylinder by M6 screw
Correcting is played the role of to piston rod movement in lower end；Underpart of the piston rod has been connected through a screw thread sliding support, correcting bar top with
Piston rod inner hole, lower part are threadedly secured on hold-down support, and spring is equipped between sliding support and hold-down support,
Hold-down support is fixed by M8 screw with lower outer pipe, and lower outer pipe top is fixed with piston rod wiper block；Mandril one end passes through rotation
Pin shaft is hinged with sliding support, and the mandril other end is connected in the middle part of strut by rotating pin, and strut both ends are propped up with fixation respectively
Seat is connected with ice core pipe by rotating pin, and all rotating pins are provided with lock-screw and position to it, and lower outer pipe is propping up
Bar and mandril arranged direction are machined with elongated slot, and strut and mandril is allowed to move up and down in slot.
Ice core pipe top is connect by drill bit attachment screw with drill bit, is blocked disconnected device by the disconnected device pin shaft of card and is fixed on drill bit
On, circlip is fixed on drill bit by circlip fixing screws, and is limited to the disconnected device of card, guarantees that the disconnected device of card can only be into drill bit
Direction rotation blocks disconnected device, blocks disconnected device pin shaft, circlip and circlip fixing screws along three groups of drill bit radial equipartition；Ice core pipe water inlet
It is connect with piston/cylinder water outlet by hose, ice core pipe water outlet then passes through aqueduct and connect with drill bit water inlet.
In order to increase single drilling ice core sampling quantity, ice core pipe and drill bit pass through branch along three groups of drilling tool radial equipartition respectively
Bar, mandril and rotating pin are connected with sliding support and hold-down support.
The course of work of the utility model:
This drilling tool should be drilled using hot water brill in polar region ice shelf before, and successfully penetrate ice shelf, make drilling and ice
Hot water is bored hot water line at this time and is connected with drilling tool water inlet pipe by seawater connection under frame, using earth's surface hot water line winch by the brill
Tool is transferred in hole.At this time since, without logical hot water, piston, piston rod, sliding support are under the action of the spring in drilling tool
Position, ice core pipe are then in retracted mode, and drilling tool integral diameter is less than hot water bore diameter, thus drilling tool can be promoted in drilling and
Decentralization.
After drilling tool passes through ice shelf bottom and enters seawater under ice shelf, hot water is pumped into drilling tool using earth's surface heat-exchanger pump,
Hot water reaches piston/cylinder epicoele by hot water line, drilling tool water inlet pipe, and piston starts to move down in the case where heat hydraulic pressure acts on,
And sliding support compressed spring is pushed by piston rod and is moved down, due to sliding support, mandril, strut and hold-down support structure
At link mechanism, when sliding support moves down, mandril push strut around hold-down support hinge rotate, thus make ice core pipe to
Outer opening.When piston comes downwards to piston/cylinder side-wall hole or less, hot water enters side chamber from piston/cylinder epicoele, and by soft
Pipe enters ice core pipe side water cavity, then enters drill bit by aqueduct, and spouting, living at this time since hot water is released
Plug cylinder body epicoele hydraulic pressure will remain unchanged, while under spring force, piston no longer moves down and holding position is constant, ice core pipe
It is flared to maximum position.
After ice core pipe is flared to maximum position, three ice core pipe distribution diameters are much larger than bore diameter, at this time slowly on
Mention drilling tool, since hot water sprays from drill bit always, can in the ice sheet of ice shelf bottom blend-out cyclic annular ice hole from bottom to top,
Ice core then enters in ice core pipe.After drilling to design depth capacity, drilling tool is slowly transferred, blocks disconnected device tip at this time and is connect with ice core
It touches and is obstructed, when drill bit drive, which blocks disconnected device, to be moved downward, block disconnected device and then surround the disconnected device pin shaft rotation of card, and be cut into ice core
It is interior, cause ice core to separate with ice sheet, the ice core fallen is then collected in ice core pipe.
Continue to transfer drilling tool to ice core pipe and exit drilling and come back under ice shelf in seawater, stops hot water supply at this time, it is living
Plug cylinder body epicoele hydraulic pressure reduces, and piston, piston rod, sliding support move up under spring force, and passes through mandril and strut band
Dynamic ice core pipe inwardly retracts, and contacts and stops with piston/cylinder epicoele top surface until moving on piston, ice core pipe is reduced to most at this time
Minor diameter.Drilling tool is mentioned to earth's surface and completes coring by starting earth's surface hot water line winch, during upper mention, since ice core pipe is straight
Diameter is less than water stopping cap diameter, therefore avoids water flow and wash away to ice core in ice core pipe, realizes protection ice core sample to greatest extent
Product.
The utility model has the beneficial effects that
The utility model has well solved the difficult problem of polar region ice shelf bottom ice sheet sample acquisition, and the drilling tool of design uses
Pressure activated mode, after so that drilling tool is reached bottom hole, three ice core pipes of carrying are opened, and complete drilling sampling, and can repeatedly under
It puts drilling tool and carries out multi-point sampling, so that the bottom hole sampling quantity of the same drilling greatly increases.
The utility model structure is simple, and reliable operation is easy to operate, is used cooperatively with hot water drill system, is not increasing ground
Bottom hole multiple spot multiple repairing weld is completed in the case of table equipment, is greatly reduced construction cost, and a whole set of drilling tool few easy workout part, is used the longevity
Life length.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the drilling status diagram of the utility model.
Specific embodiment
It please refers to shown in Fig. 1 and Fig. 2, a kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit, including hot-water line
1, drilling tool water inlet pipe 2, water inlet pipe wiper block 3, M8 screw 4, water stopping cap 5, M5 screw 6, upper exterior tube 7, piston/cylinder 8, sealing ring
9, piston 10, piston rod 11, M6 screw 12, piston rod wiper block 13, sliding support 14, correcting bar 15, spring 16, hold-down support
17, the disconnected device pin shaft 19 of drill bit 18, card, card disconnected device 20, circlip 21, circlip fixing screws 22, drill bit attachment screw 23, aqueduct
24, hose 25, lock-screw 26, rotating pin 27, strut 28, ice core pipe 29, mandril 30 and lower outer pipe 31；
Wherein hot-water line 1 is connected with 2 top of drilling tool water inlet pipe, and 2 lower part of drilling tool water inlet pipe and piston/cylinder 8 use screw thread
Connection, water inlet pipe wiper block 3 are fixed on 7 top of upper exterior tube by M8 screw 4, and inner hole plays righting to drilling tool water inlet pipe 2 and makees
With 7 top of upper exterior tube is fixed with water stopping cap 5 by M5 screw 6, and 7 lower end of upper exterior tube is fixed on piston/cylinder 8 by M8 screw 4
On；
Piston 10 is mounted in piston/cylinder 8, and two seals 9 are equipped on piston 10, and 10 lower end of piston passes through screw thread
It is fixed with piston rod 11, piston 10 and piston rod 11 axially can freely up and down be slided along piston/cylinder 8, and piston rod wiper block 13 is logical
It crosses M6 screw 12 and is fixed on 8 lower end of piston/cylinder, play the role of correcting to the movement of piston rod 11；11 lower part of piston rod passes through spiral shell
Line is connected with sliding support 14,15 top of correcting bar and 11 inner hole of piston rod, and lower part is threadedly secured to hold-down support
On 17, spring 16 is installed between sliding support 14 and hold-down support 17, hold-down support 17 passes through M8 screw 4 and lower outer pipe 31
Fixed, 31 top of lower outer pipe and piston rod wiper block 13 are fixed；It is cut with scissors by rotating pin 27 and sliding support 14 30 one end of mandril
Connect, 30 other end of mandril is connected to the middle part of strut 28 by rotating pin 27,28 both ends of strut respectively with hold-down support 17 and ice
Core pipe 29 is connected by rotating pin 27, and all rotating pins 27 are provided with lock-screw 26 and position to it, lower outer pipe 31
It is machined with elongated slot in strut 28 and 30 arranged direction of mandril, strut 28 and mandril 30 is allowed to move up and down in slot.
29 top of ice core pipe is connect by drill bit attachment screw 23 with drill bit 18, and it is solid by blocking disconnected device pin shaft 19 to block disconnected device 20
It is scheduled on drill bit 18, circlip 21 is fixed on drill bit by circlip fixing screws 22, and is limited to the disconnected device 20 of card, guarantees card
Disconnected device 20 can only rotate in direction into drill bit 18, block disconnected device 20, block disconnected 22 edge of device pin shaft 19, circlip 21 and circlip fixing screws
Three groups of drill bit radial equipartition；29 water inlet of ice core pipe is connect with 8 water outlet of piston/cylinder by hose 25,29 water outlet of ice core pipe
Then it is connect by aqueduct 24 with 18 water inlet of drill bit.
In order to increase single drilling ice core sampling quantity, ice core pipe 29 and drill bit 18 lead to respectively along three groups of drilling tool radial equipartition
Strut 28, mandril 30 and rotating pin 27 is crossed to be connected with sliding support 14 and hold-down support 17.
The course of work of the present embodiment:
As shown in Fig. 2, this drilling tool should be drilled using hot water brill in polar region ice shelf before, and ice shelf is successfully penetrated,
Make drilling and seawater connection under ice shelf, hot water is bored into hot water line 1 at this time and is connected with drilling tool water inlet pipe 2, using earth's surface hot-water line
Road winch transfers to the drilling tool in hole.At this time due to logical hot water no in drilling tool, piston 10, piston rod 11, sliding support 14
It is in upper under the effect of spring 16, ice core pipe is then in retracted mode, and drilling tool integral diameter is less than hot water bore diameter, therefore
Drilling tool can be promoted in drilling and decentralization.
After drilling tool passes through ice shelf bottom and enters seawater under ice shelf, hot water is pumped into drilling tool using earth's surface heat-exchanger pump,
Hot water by hot water line 1, drilling tool water inlet pipe 2 reach 8 epicoele of piston/cylinder, piston 10 heat hydraulic pressure act under start to
Lower movement, and 14 compressed spring 16 of sliding support is pushed by piston rod 11 and is moved down, due to sliding support 14, mandril
30, strut 28 and hold-down support 17 constitute link mechanism, and when sliding support 14 moves down, mandril 30 pushes strut 28 around fixation
The hinge of support 17 rotates, so that ice core pipe 29 be made to be flared out.When piston comes downwards to 8 side-wall hole of piston/cylinder or less,
Hot water enters side chamber from piston/cylinder epicoele, and enters ice core pipe side water cavity by hose 25, is then entered by aqueduct 24
Drill bit 18, and it is spouting, and at this time since hot water is released, 8 epicoele hydraulic pressure of piston/cylinder will be remained unchanged, while in spring
Under the effect of 16 power, piston 10 is no longer moved down and holding position is constant, and ice core pipe 29 is flared to maximum position.
After ice core pipe 29 is flared to maximum position, 3 ice core pipe distribution diameters are much larger than bore diameter, at this time slowly on
Mention drilling tool, since hot water sprays from drill bit 18 always, can in the ice sheet of ice shelf bottom blend-out cyclic annular ice from bottom to top
Hole, ice core then enter in ice core pipe 29.After drilling to design depth capacity, drilling tool is slowly transferred, blocks disconnected 20 tip of device at this time
It contacts and is obstructed with ice core, when drill bit drives the disconnected device 20 of card to move downward, block disconnected device 20 and then rotated around the disconnected device pin shaft 19 of card,
And it is cut into ice in-core, cause ice core to separate with ice sheet, the ice core fallen is then collected in ice core pipe 29.
Continue to transfer drilling tool to ice core pipe 29 and exit drilling and come back under ice shelf in seawater, stops hot water supply at this time,
8 epicoele hydraulic pressure of piston/cylinder reduces, and piston 10, piston rod 11, sliding support 14 move up under the effect of 16 power of spring, and pass through top
Bar 30 and strut 28 drive ice core pipe 29 inwardly to retract, and contact and stop with 8 epicoele top surface of piston/cylinder until moving on piston 10
Only, ice core pipe 29 is reduced to minimum diameter at this time.Drilling tool is mentioned to earth's surface and completes coring by starting earth's surface hot water line winch, upper
During mentioning, since 29 diameter of ice core pipe is less than 5 diameter of water stopping cap, avoids water flow and ice core in ice core pipe is washed away,
Realize protection ice core sample to greatest extent.
Claims (1)
1. a kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit, it is characterised in that: including hot-water line (1), drilling tool into
Water pipe (2), water inlet pipe wiper block (3), M8 screw (4), water stopping cap (5), M5 screw (6), upper exterior tube (7), piston/cylinder (8),
Sealing ring (9), piston (10), piston rod (11), M6 screw (12), piston rod wiper block (13), sliding support (14), correcting bar
(15), spring (16), hold-down support (17), drill bit (18), card disconnected device pin shaft (19), card disconnected device (20), circlip (21), circlip are solid
Determine screw (22), drill bit attachment screw (23), aqueduct (24), hose (25), lock-screw (26), rotating pin (27), branch
Bar (28), ice core pipe (29), mandril (30) and lower outer pipe (31)；
Hot-water line (1) is connected with drilling tool water inlet pipe (2) top, and drilling tool water inlet pipe (2) lower part and piston/cylinder (8) are connected using screw thread
It connects, water inlet pipe wiper block (3) is fixed at the top of upper exterior tube (7) by M8 screw (4), by its inner hole to drilling tool water inlet pipe (2)
Centralizing function is played, upper exterior tube (7) top is fixed with water stopping cap (5) by M5 screw (6), and upper exterior tube (7) lower end passes through M8 spiral shell
Nail (4) is fixed on piston/cylinder (8)；
Piston (10) is mounted in piston/cylinder (8), is equipped on piston (10) two seals (9), and piston (10) lower end is logical
Crossing to be screwed has piston rod (11), and piston (10) and piston rod (11) axially can freely up and down be slided along piston/cylinder (8), living
Stopper rod wiper block (13) is fixed on piston/cylinder (8) lower end by M6 screw (12), plays correcting to piston rod (11) movement
Effect；Piston rod (11) lower part has been connected through a screw thread sliding support (14), correcting bar (15) top and piston rod (11) inner hole
Cooperation, lower part are threadedly secured on hold-down support (17), are equipped with bullet between sliding support (14) and hold-down support (17)
Spring (16), hold-down support (17) is fixed by M8 screw (4) and lower outer pipe (31), lower outer pipe (31) top and piston rod wiper block
(13) fixed；Hingedly by rotating pin (27) and sliding support (14), mandril (30) other end is by turning for mandril (30) one end
Dynamic pin shaft (27) are connected in the middle part of strut (28), and strut (28) both ends are respectively with hold-down support (17) and ice core pipe (29) by turning
Dynamic pin shaft (27) are connected, and all rotating pins (27) are provided with lock-screw (26) and position to it, and lower outer pipe (31) is propping up
Bar (28) and mandril (30) arranged direction are machined with elongated slot, and strut (28) and mandril (30) is allowed to move up and down in slot；
Ice core pipe (29) top is connect by drill bit attachment screw (23) with drill bit (18), blocks disconnected device (20) by blocking disconnected device pin shaft
(19) it is fixed on drill bit (18), circlip (21) is fixed on drill bit by circlip fixing screws (22), and breaks device (20) to card
It is limited, guarantees that blocking disconnected device (20) can only rotate to the interior direction of drill bit (18), block disconnected device (20), block disconnected device pin shaft (19), card
Spring (21) and circlip fixing screws (22) are along three groups of drill bit radial equipartition；Ice core pipe (29) water inlet and piston/cylinder (8) are discharged
Mouth is connected by hose (25), and ice core pipe (29) water outlet then passes through aqueduct (24) and connect with drill bit water inlet；
Ice core pipe (29) and drill bit (18) pass through strut (28), mandril (30) and rotational pin along three groups of drilling tool radial equipartition respectively
Axis (27) is connected with sliding support (14) and hold-down support (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404021.3U CN208252068U (en) | 2018-03-24 | 2018-03-24 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820404021.3U CN208252068U (en) | 2018-03-24 | 2018-03-24 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252068U true CN208252068U (en) | 2018-12-18 |
Family
ID=64608268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820404021.3U Withdrawn - After Issue CN208252068U (en) | 2018-03-24 | 2018-03-24 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
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| Country | Link |
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| CN (1) | CN208252068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360991A (en) * | 2018-03-24 | 2018-08-03 | 吉林大学 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
-
2018
- 2018-03-24 CN CN201820404021.3U patent/CN208252068U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360991A (en) * | 2018-03-24 | 2018-08-03 | 吉林大学 | A kind of hydraulic pressure trigger-type ice sheet bottom multiple spot hot water core bit |
| CN108360991B (en) * | 2018-03-24 | 2023-09-19 | 吉林大学 | Water pressure triggering type multi-point hot water core drill bit at bottom of ice layer |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181218 Effective date of abandoning: 20230919 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181218 Effective date of abandoning: 20230919 |