CN206845097U - Hot water drill system for ice sheet drilling - Google Patents
Hot water drill system for ice sheet drilling Download PDFInfo
- Publication number
- CN206845097U CN206845097U CN201720335939.2U CN201720335939U CN206845097U CN 206845097 U CN206845097 U CN 206845097U CN 201720335939 U CN201720335939 U CN 201720335939U CN 206845097 U CN206845097 U CN 206845097U
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- drilling
- hot water
- pressure
- servomotor
- controller
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Abstract
The utility model discloses a kind of hot water drill system for ice sheet drilling, include hot water boring device and also include automaton；Hot water boring device includes nozzle and drilling tool, high-pressure hose, mast, electric winch, high-pressure heater, high-pressure pump and water tank, the top of its middle mast is provided with crown sheave, automaton includes servomotor, weighing sensor and encoder, drilling parameter observation instrument and controller, weighing sensor, encoder and drilling parameter observation instrument are connected with controller, servomotor is controlled by controller, servomotor is installed in electric winch, and the operating condition of electric winch can be adjusted according to the instruction of controller.Drilling tool lowering velocity can automatically control, and can prevent drilling from deforming, will not cause serious hole deviation accident；Automaton can obtain every drilling parameter in real time, and adjust rate of penetration according to the drilling parameter of acquisition, to assist the hot water drill system to realize maximum drilling efficiency.
Description
Technical field
Polar region and glacier drilling field are the utility model is related to, more particularly to a kind of hot water for ice sheet drilling bores system
System.
Background technology
Hot water bores technology has had semicentennial development in south poles and mountainous villas probing, is currently ice layer of polar region
Drilling method with fastest developing speed in drilling, most widely used, prospect is best, this method are bored because of its low stain, high efficiency in the South Pole
Spy field has irreplaceable status.In the world all heat has been implemented in the more active country of South Pole scientific research field in the South Pole
Water drilling project, wherein, the country such as Great Britain and America continues to carry out hot water brill project in the South Pole more than 30 years as long as.By contrast, it is Chinese
Hot water bore development also in research of technique starting stage, so China scientific research personnel has manufactured and designed the hot water drill system.
Make a general survey of external existing hot water drill system, rate of penetration generally relies on the experience of field personnel to control, it is difficult to using most
Excellent drilling parameter, obtain the drilling efficiency of maximum.Drilling tool lowering velocity is too fast, and nozzle is excessively near from bottom hole, can be anti-by liquid stream
Impact, causes nozzle to vibrate, drilling deformation, in some instances it may even be possible to cause serious hole deviation accident；Drilling tool lowering velocity is low, then drilling speed
Degree also can be relatively low, but hot water bores high energy consumption, and time cost is high.Drilling cost will greatly be saved by saving drilling time, therefore be studied
Obtaining the control system of efficient drilling efficiency has huge economic value.
The content of the invention
The purpose of this utility model be in order to research and develop a set of ice layer of polar region drilling hot water drill system and it is a set of be applied to should
The automatic control system of system.
The utility model includes hot water boring device and automaton；
Described hot water boring device includes nozzle and drilling tool, high-pressure hose, mast, electric winch, high-pressure heater, high pressure
Pump and water tank, the top of its middle mast are provided with crown sheave, and electric winch is driven by servomotor, and hot water bores nozzle with boring
Tool is suspended in midair by high-pressure hose, and high-pressure hose is drawn by electric winch and supported by crown sheave, and high-pressure pump one end is connected with water tank,
The high-pressure pump other end connects high-pressure heater；One end of high-pressure hose connects with high-pressure heater, the high-pressure hose other end and spray
The nozzle of mouth and drilling tool connects；
Described automaton include servomotor, weighing sensor and encoder, drilling parameter observation instrument and
Controller, weighing sensor, encoder and drilling parameter observation instrument are connected with controller, and servomotor is controlled by controller,
Drilling parameter observation instrument is arranged in the drilling tool of nozzle and drilling tool, and described drilling parameter observation instrument includes caliper, temperature
Spend sensor and inclinometer etc..Servomotor is installed in electric winch, can adjust electric winch according to the instruction of controller
Operating condition.Weighing sensor shares three, and crown sheave bottom is installed in corner shape, can be suffered by Real-time Feedback high-pressure hose
Pulling force.Encoder is installed on crown sheave side, for monitoring drilling tool lifting or lowering velocity in real time.
The course of work of the present utility model：
Water in water tank is pumped into high-pressure heater by high-pressure pump, and high-pressure heater heats water to rapidly required temperature
Degree, the hot water after heating enters nozzle and drilling tool along high-pressure hose through electric winch and crown sheave, and is sprayed by nozzle, quickly
Melt the ice sheet of bottom hole to realize efficient drilling.
In drilling process, nozzle from bottom hole farther out when, weighing sensor feedback pressure value it is relatively steady, automatically control dress
Put the automatic instruction for sending lifting running speed；As nozzle moves closer to bottom hole, due to the direct jet impact bottom hole of hot water
Larger reaction force is produced, pressure value can produce fluctuation therewith, under automaton can reduce according to fluctuation size
Drilling speed degree, promotes pressure value to tend towards stability.By the change of pressure value, rate of penetration is adjusted in real time, so that it is guaranteed that drilling tool
Crept into optimal rate of penetration, realize efficiently drilling.Automaton can obtain the letter of each sensor feedback in real time
Number, and rate of penetration is adjusted positioned at the servomotor of elevator according to pressure feedback numerical value, control.
The beneficial effects of the utility model：
Drilling tool lowering velocity can automatically control, and can prevent drilling from deforming, will not cause serious hole deviation accident；Automatic control
Device processed can obtain every drilling parameter in real time, and adjust rate of penetration according to the drilling parameter of acquisition, to assist the hot water to bore
System realizes maximum drilling efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is crown sheave upward view of the present utility model.
Fig. 3 is the method flow diagram that the utility model adjusts running speed by pressure oscillation.
Wherein：1-nozzle and drilling tool；2-high-pressure hose；3-mast；4-crown sheave；5-electric winch；6-watch
Take motor；7-high-pressure heater；8-high-pressure pump；9-water tank；10-weighing sensor；11-encoder.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, the utility model includes hot water boring device and automaton；
Described hot water boring device includes nozzle and drilling tool 1, high-pressure hose 2, mast 3, electric winch 5, high-pressure heater
7th, high-pressure pump 8 and water tank 9, the top of its middle mast 3 are provided with crown sheave 4, and electric winch 5 is driven by servomotor 6, heat
Water drilling nozzle is suspended in midair with drilling tool 1 by high-pressure hose 2, and high-pressure hose 2 is drawn by electric winch 5 and supported by crown sheave 4, high pressure
The one end of pump 8 is connected with water tank 9, the other end of high-pressure pump 8 connection high-pressure heater 7；One end of high-pressure hose 2 and high-pressure heater 7
Connection, the other end of high-pressure hose 2 connect with the nozzle of nozzle and drilling tool 1；
Described automaton includes servomotor 6, weighing sensor 10 and encoder 11, drilling parameter visualizer
Device and controller, weighing sensor 10, encoder 11 and drilling parameter observation instrument are connected with controller, and servomotor 6 is by controlling
Device control processed, drilling parameter observation instrument are arranged in the drilling tool of nozzle and drilling tool 1, and described drilling parameter observation instrument includes
Caliper, temperature sensor and inclinometer etc..Servomotor 6 is installed in electric winch 5, can be adjusted according to the instruction of controller
The operating condition of electric winch 5.Weighing sensor 10 shares three, and the bottom of crown sheave 4 is installed in corner shape, can be anti-in real time
Present pulling force suffered by high-pressure hose 2.Encoder 11 is installed on the side of crown sheave 4, for monitoring drilling tool lifting or decentralization speed in real time
Degree.Described controller is prior art.
The course of work of the present utility model：
Water in water tank 9 is pumped into high-pressure heater 7 by high-pressure pump 8, and high-pressure heater 7 heats water to rapidly required
Temperature, the hot water after heating enters nozzle and drilling tool 1 along high-pressure hose 2 through electric winch 5 and crown sheave 4, and is sprayed by nozzle
Go out, the ice sheet of fast melt bottom hole is to realize efficient drilling.
In drilling process, nozzle from bottom hole farther out when, weighing sensor 10 feed back pressure value it is relatively steady, automatically control
Device sends the instruction of lifting running speed automatically；As nozzle moves closer to bottom hole, due to the direct jet impact bottom hole of hot water
And larger reaction force is produced, pressure value can produce fluctuation therewith, and automaton can reduce according to fluctuation size
Running speed, pressure value is promoted to tend towards stability.As shown in figure 3, by the change of pressure value, rate of penetration is adjusted in real time,
So that it is guaranteed that drilling tool is crept into optimal rate of penetration, efficiently drilling is realized.
Claims (2)
- A kind of 1. hot water drill system for ice sheet drilling, it is characterised in that：Include hot water boring device and also include automatic Control device；Described hot water boring device includes nozzle and drilling tool (1), high-pressure hose (2), mast (3), electric winch (5), high pressure add Hot device (7), high-pressure pump (8) and water tank (9), the top of its middle mast (3) are provided with crown sheave (4), and electric winch (5) passes through Servomotor (6) drives, and hot water bores nozzle and suspended in midair with drilling tool (1) by high-pressure hose (2), and high-pressure hose (2) is by electric winch (5) Draw and supported by crown sheave (4), high-pressure pump (8) one end is connected with water tank (9), and high-pressure pump (8) other end connection high pressure adds Hot device (7)；One end of high-pressure hose (2) connects with high-pressure heater (7), high-pressure hose (2) other end and nozzle and drilling tool (1) Nozzle connection；Described automaton includes servomotor (6), weighing sensor (10), encoder (11), drilling parameter observation Instrument and controller, weighing sensor (10), encoder (11) and drilling parameter observation instrument are connected with controller, servomotor (6) controlled by controller, drilling parameter observation instrument is arranged in the drilling tool of nozzle and drilling tool (1), and servomotor (6) is installed on In electric winch (5), weighing sensor (10) shares three, and crown sheave (4) bottom, encoder (11) are installed in corner shape It is installed on crown sheave (4) side.
- A kind of 2. hot water drill system for ice sheet drilling according to claim 1, it is characterised in that：Described drilling ginseng Number observation instrument includes caliper, temperature sensor and inclinometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335939.2U CN206845097U (en) | 2017-04-01 | 2017-04-01 | Hot water drill system for ice sheet drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720335939.2U CN206845097U (en) | 2017-04-01 | 2017-04-01 | Hot water drill system for ice sheet drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845097U true CN206845097U (en) | 2018-01-05 |
Family
ID=60791046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720335939.2U Withdrawn - After Issue CN206845097U (en) | 2017-04-01 | 2017-04-01 | Hot water drill system for ice sheet drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837177A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | For the hot water drill system of ice sheet drilling |
-
2017
- 2017-04-01 CN CN201720335939.2U patent/CN206845097U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837177A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | For the hot water drill system of ice sheet drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180105 Effective date of abandoning: 20181126 |