CN107620578A - A kind of ice sheet drilling uses the two-tube core drill of armored cable formula motor machine - Google Patents

A kind of ice sheet drilling uses the two-tube core drill of armored cable formula motor machine Download PDF

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Publication number
CN107620578A
CN107620578A CN201711060963.0A CN201711060963A CN107620578A CN 107620578 A CN107620578 A CN 107620578A CN 201711060963 A CN201711060963 A CN 201711060963A CN 107620578 A CN107620578 A CN 107620578A
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China
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ice
tube
moral purity
drill bit
moral
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CN201711060963.0A
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CN107620578B (en
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曹品鲁
陈卓
陈宝义
刘苗苗
赵齐
王如生
范晓鹏
杨阳
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Jilin University
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Jilin University
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Abstract

The invention discloses a kind of ice sheet drilling two-tube core drill of armored cable formula motor machine, include cable termination, anti-twisted device, pressure chamber, motor, speed change system and two-tube system of coring, wherein cable termination is arranged on the top of drill body, anti-twisted device, pressure chamber, motor, speed change system and the two-tube system of coring are sequentially arranged at the bottom of cable termination, motor drives speed change system and two-tube system work of coring, the two-tube system of coring is by moral purity pipe, outer tube and ice auger drill bit composition, wherein moral purity pipe is plugged in outer tube, ice auger drill bit is connected to the bottom of moral purity pipe and outer tube, the top of moral purity tube cavity is provided with ice bits room, the inner chamber of ice auger drill bit and the inner chamber of moral purity pipe lower lumen and ice bits room are sequentially connected logical, beneficial effect:Drilling fluid bottom hole flow velocity is improved, ice bits carry efficiency enhancing, can effectively avoid ice from considering the risk in the accumulation of bottom hole and the adhesion on drill bit, reducing the complex accidents such as bit freezing to be worth doing.

Description

A kind of ice sheet drilling uses the two-tube core drill of armored cable formula motor machine
Technical field
The present invention relates to a kind of two-tube core drill, more particularly to a kind of ice sheet drilling is double with armored cable formula motor machine Pipe core drill.
Background technology
At present, earth north and south the two poles of the earth are not only the driver of whole world change, and are the low-temperature receivers of whole world change, in global gas Wait in Changeement and play irreplaceable key effect.Because polar ice sheet temperature is low, weather conditions are severe, and away from the mankind Pollution, compared with other Climatic Proxys, polar region moral purity have contain much information, fidelity is good, temporal resolution is high, time chi The features such as scope is big, distribution area is wide is spent, therefore polar ice sheet has turned into the most key area of global climate change study One.And it is the important leverage for being engaged in above-mentioned scientific research to carry out deep moral purity probing project, obtain high quality moral purity, to human society Development and nature cognition have important scientific meaning and social value.Influenceed by harsh weather and earth's surface ice and snow environment, Polar drilling is cored complex.Armored cable formula motor machine core-drilling technology has drilling tool light weight, consumption work(because of it The advantages that rate is low, drilling efficiency is high, it is widely applied in the probing of polar region depth moral purity.But when using this method, drilling well Liquid is descending through the annular gap between drilling tool and hole wall after water pump discharge, enters through bit bottom lip surface in central passage and returns.By The restriction of built-in pump working parameter, flowing velocity of the drilling fluid near bit bottom lip surface are relatively low.When being drilled into warm ice sheet, by Higher in Ice Temperature, heat caused by revolution cutting makes ice bits be in thawing or slush state, and ice bits adhesion coalescence is agglomerating, Drilling well flow velocity is not enough to ice bits taking away bottom hole in time, causes ice bits to be adhered to bit cutting tool or the other local positions of drill bit Put, influence drilling efficiency, and influence drilling fluid circulation, circulate and further deteriorate, ice bits are deposited in bottom hole, and bit freezing risk is significantly Increase.Therefore, how to improve ice bits to carry efficiency, avoid ice bits from adhering to accumulation in bottom hole, so as to reduce the complex accidents such as bit freezing Risk, it has also become polar region depth moral purity drilling project armored cable formula motor machine drilling tool is badly in need of the technical barrier solved.
The content of the invention
The invention aims to improve ice bits to carry efficiency, so as to avoid ice bits from being accumulated in bottom hole, avoid or reduce Bit freezing risk and the two-tube core drill of a kind of ice sheet drilling armored cable formula motor machine provided.
The two-tube core drill of ice sheet drilling armored cable formula motor machine provided by the invention includes cable termination, anti- Turn round device, pressure chamber, motor, speed change system and two-tube system of coring, wherein cable termination and be arranged on the top of drill body End, anti-twisted device, pressure chamber, motor, speed change system and the two-tube system of coring are sequentially arranged at the bottom of cable termination, drive Motor drives speed change system and two-tube system work of coring, and two-tube system of coring is made up of moral purity pipe, outer tube and ice auger drill bit, Wherein moral purity pipe is plugged in outer tube, and ice auger drill bit is connected to the bottom of moral purity pipe and outer tube, and the top of moral purity tube cavity is set There is the inner chamber of ice bits room, the inner chamber of ice auger drill bit and moral purity pipe lower lumen and ice bits room to be sequentially connected logical, moral purity tube top end Through hole is offered in side wall, formed with transfusion road between the inwall and moral purity pipe outer wall of outer tube, the border of ice auger drill bit offers Nozzle, the import of nozzle are connected with the outlet for road lower end of infusing, inner chamber, moral purity pipe lower lumen, the ice bits room of ice auger drill bit The nozzle on transfusion road and ice auger drill bit between inner chamber, the through hole in the side wall of moral purity pipe upper end, outer tube and moral purity pipe forms one Circulation canal.
Slip ring is equipped between cable termination and anti-twisted device.
Moral purity tube top end sets the opening position of through hole to be equipped with water pump, and water pump is connected with motor and driven by motor It is dynamic to be operated.
The inner tubal wall of ice bits room is enclosed to set by filter screen to be formed.
Fixed mount or bearing are provided between outer tube wall and moral purity pipe outer wall, port is offered among fixed mount or bearing It is connected with transfusion road.
A diameter of 3-5mm of ice auger drill bit border nozzle, the spout of nozzle correspond to the rake face of cutting element on ice auger drill bit Opening position.
Above-mentioned cable termination, slip ring, anti-twisted device, pressure chamber, motor, speed change system, ice auger drill bit and water pump It is the assembling of existing equipment, therefore, concrete model and specification are not repeated further.
The operation principle of the present invention:
During rotary drilling, earth's surface power is transported to motor in motor machine drilling tool and worked by armored cable.Driving electricity Machine drives two-tube system revolution of coring by speed change system.Double movable double-tube is formed when being equipped with fixed mount between outer tube and moral purity pipe During drilling tool, the outer tube and moral purity pipe of two-tube system of coring while turn round, and drive ice auger bit cutting ice sheet, realize drilling.When When bearing composition single rotary double core barrel is equipped between outer tube and moral purity pipe, the outer tube of two-tube system of coring turns round and drives ice auger Bit cutting ice sheet, moral purity pipe do not turn round, and reduce the disturbance to moral purity, and reduce drilling fluid and consider indoor follow to be worth doing in moral purity pipe, ice Ring pressure consumption.Motor drives pump working simultaneously, and through hole of the drilling fluid through moral purity pipe upper end enters between outer tube and moral purity pipe Transfusion road it is descending, through on ice auger drill bit nozzle at high speeds spray, formed high-speed jet, cutting element is cooled down and impacted and is taken Band ice is considered to be worth doing, can reduce ice bits size, and effectively anti-stagnant ice bits coalescence is agglomerating, and ice bits are taken away into bottom hole in time.Then, drilling fluid passes through Ice bits room is returned on annular gap between ice auger drill bit, moral purity pipe and moral purity.Drilling fluid is by the filter screen on ice bits indoor pipe Discharge, is aspirated to form circulation by water pump.Under filter screen effect, it is indoor that ice bits are trapped in ice bits, carried after drilling round trip terminates to Soil surface treatment.At the end of round trip, the disconnected device of moral purity card on ice auger drill bit breaks moral purity card, and moral purity is stayed in moral purity pipe, and drilling tool carries Handled after to earth's surface with together with ice bits.
Beneficial effects of the present invention:
Ice sheet drilling uses armored cable formula electric mechanical core drill bottom core drill system dual tube designs, in cyclic system Following drilling tool of uniting is internally formed annular space, and several nozzles are provided with ice auger drill bit.Drilling fluid is descending from annular space, through boring High-speed jet is formed during head nozzle.High-speed jet is acted directly on bit cutting tool rake face, not only can directly be cooled down and be cut Tool is cut, reduces cutting element temperature, and the higher large scale ice bits of plasticity can be fractureed into small ice and considered to be worth doing by jet impact force.In addition, The drilling well flow velocity near cutting element is greatly improved in high-speed jet, the enhancing of its carrying capacity, is taken away beneficial in time ice is considered to be worth doing Bottom hole.When drilling tool structure is single-action twin-pipes core drill, inner tube does not rotate with drilling tool, not only reduces drilling tool and moral purity is disturbed It is dynamic, and ice bits room, moral purity pipe inner tube are not turned round, and considerably reduce the cyclic pressure dissipation of drilling fluid, are advantageous to improve water pump Flow, further increase ice bits and carry effect.Therefore, the two-tube core drill of armored cable formula motor machine, is substantially improved Bottom hole flow field, improves drilling fluid bottom hole flow velocity, and ice bits carry efficiency enhancing, can effectively avoid ice bits in the accumulation of bottom hole and Adhesion on drill bit, reduce the risk of the complex accidents such as bit freezing.
Brief description of the drawings
Fig. 1 is drilling tool overall structure diagram of the present invention.
Fig. 2 is two-tube system structure diagram of coring of the present invention.
Fig. 3 is ice auger drill bit cross section structure diagram of the present invention.
1st, cable termination 2, anti-twisted device 3, pressure chamber 4, motor 5, speed change system 6, two-tube system of coring 7th, moral purity pipe 8, outer tube 9, ice auger drill bit 10, ice bits room 11, through hole 12, transfusion road 13, nozzle 14, slip ring 15, water Pump 16, filter screen 17, fixed mount 18, bearing 19, the rake face of cutting element.
Embodiment
Refer to shown in Fig. 1 to Fig. 3:
The two-tube core drill of ice sheet drilling armored cable formula motor machine provided by the invention include cable termination 1, Anti-twisted device 2, pressure chamber 3, motor 4, speed change system 5 and two-tube system 6 of coring, wherein cable termination 1 are arranged on drilling tool The top of body, anti-twisted device 2, pressure chamber 3, motor 4, speed change system 5 and two-tube system 6 of coring are sequentially arranged at cable end The bottom at end 1, motor 4 drive speed change system 5 and two-tube system 6 of coring to work, two-tube system 6 of coring be by moral purity pipe 7, Outer tube 8 and ice auger drill bit 9 are formed, and wherein moral purity pipe 7 is plugged in outer tube 8, and ice auger drill bit 9 is connected to moral purity pipe 7 and outer tube 8 Bottom, the top of the inner chamber of moral purity pipe 7 are provided with ice bits room 10, inner chamber and the lower lumen of moral purity pipe 7 and ice bits room of ice auger drill bit 9 10 inner chamber is sequentially connected logical, offers through hole 11 in the side wall on the top of moral purity pipe 7, the inwall and the outer wall of moral purity pipe 7 of outer tube 8 it Between formed with transfusion road 12, the border of ice auger drill bit 9 offers nozzle 13, the import and the outlet of the transfusion lower end of road 12 of nozzle 13 It is connected, the inner chamber of ice auger drill bit 9, the lower lumen of moral purity pipe 7, the ice bits inner chamber of room 10, the through hole in the upper end side wall of moral purity pipe 7 11st, the nozzle 13 on the transfusion road 12 and ice auger drill bit 9 between outer tube 8 and moral purity pipe 7 forms a circulation canal.
Slip ring 14 is equipped between cable termination 1 and anti-twisted device 2.
The top of moral purity pipe 7 sets the opening position of through hole 11 to be equipped with water pump 15, and water pump 15 is connected with motor 4 and by driving The dynamic driving of motor 4 is operated.
The inner tubal wall of ice bits room 10 is enclosed to set by filter screen 16 to be formed.
Fixed mount 17 or bearing 18 are provided between the inwall of outer tube 8 and the outer wall of moral purity pipe 7, among fixed mount 17 or bearing 18 Port is offered with transfusion road 12 to be connected.
A diameter of 3-5mm of the border nozzle 13 of ice auger drill bit 9, the spout of nozzle 13 correspond to cutting element on ice auger drill bit 9 The opening position of rake face 19.
Above-mentioned cable termination 1, slip ring 14, anti-twisted device 2, pressure chamber 3, motor 4, speed change system 5, ice auger drill bit 9 and water pump 15 be existing equipment assembling, therefore, concrete model and specification are not repeated further.
The operation principle of the present invention:
During rotary drilling, earth's surface power is transported to motor 4 in motor machine drilling tool and worked by armored cable.Driving electricity Machine 4 drives two-tube system 6 of coring to turn round by speed change system 5.Formed when being equipped with fixed mount 17 between outer tube 8 and moral purity pipe 7 During double movable double-tube boring tool, the outer tube 8 and moral purity pipe 7 of two-tube system 6 of coring while turn round, and drive ice auger drill bit 9 to cut ice sheet, Realize drilling.When being equipped with the composition single rotary double core barrel of bearing 18 between outer tube 8 and moral purity pipe 7, outside two-tube system 6 of coring Pipe 8 turns round and drives ice auger drill bit 9 to cut ice sheet, and moral purity pipe 7 does not turn round, and reduces the disturbance to moral purity, and reduce drilling fluid and exist Cyclic pressure dissipation in moral purity pipe 7, ice bits room 10.Motor 4 drives water pump 15 to work simultaneously, and drilling fluid is through the upper end of moral purity pipe 7 The transfusion road 12 that enters between outer tube 8 and moral purity pipe 7 of through hole 11 it is descending, sprayed at a high speed through the nozzle 13 on ice auger drill bit 9, shape Into high-speed jet, cutting element is cooled down and impacts carrying ice bits, ice bits size can be reduced, effectively anti-stagnant ice bits are agglomerated into Group, and ice bits are taken away into bottom hole in time.Then, drilling fluid is through on the annular gap between ice auger drill bit 9, moral purity pipe 7 and moral purity Return to ice bits room.Drilling fluid is discharged by the filter screen 16 in the ice bits inner tube of room 10, is aspirated to form circulation by water pump 15.In filter screen 16 Under effect, ice bits are trapped in ice bits room 10, are carried after drilling round trip terminates to soil surface treatment.At the end of round trip, ice auger drill bit 9 On moral purity card break device moral purity card is broken, moral purity is stayed in moral purity pipe 7, drilling tool carry to earth's surface after with ice bits together with handle.

Claims (4)

1. a kind of ice sheet drilling uses the two-tube core drill of armored cable formula motor machine, it is characterised in that:Include cable termination, Anti-twisted device, pressure chamber, motor, speed change system and two-tube system of coring, wherein cable termination are arranged on drill body Top, anti-twisted device, pressure chamber, motor, speed change system and the two-tube system of coring are sequentially arranged at the bottom of cable termination, drive Dynamic motor driving speed change system and two-tube system work of coring, the two-tube system of coring is by moral purity pipe, outer tube and ice auger drill bit group Into wherein moral purity pipe is plugged in outer tube, and ice auger drill bit is connected to the bottom of moral purity pipe and outer tube, and the top of moral purity tube cavity is set Ice bits room is equipped with, the inner chamber and the inner chamber of moral purity pipe lower lumen and ice bits room of ice auger drill bit are sequentially connected logical, moral purity tube top end Side wall on offer through hole, between the inwall and moral purity pipe outer wall of outer tube formed with transfusion road, the border of ice auger drill bit opens up There is nozzle, the import of nozzle is connected with the outlet for road lower end of infusing, the inner chamber of ice auger drill bit, moral purity pipe lower lumen, ice bits The nozzle on transfusion road and ice auger drill bit between indoor chamber, the through hole in the side wall of moral purity pipe upper end, outer tube and moral purity pipe is formed One circulation canal.
2. a kind of ice sheet drilling according to claim 1 uses the two-tube core drill of armored cable formula motor machine, its feature It is:Described moral purity tube top end sets the opening position of through hole to be equipped with water pump, and water pump is connected with motor and by driving electricity Machine driving is operated.
3. a kind of ice sheet drilling according to claim 1 uses the two-tube core drill of armored cable formula motor machine, its feature It is:Fixed mount or bearing are provided between described outer tube wall and moral purity pipe outer wall, is offered among fixed mount or bearing Port is connected with transfusion road.
4. a kind of ice sheet drilling according to claim 1 uses the two-tube core drill of armored cable formula motor machine, its feature It is:A diameter of 3-5mm of described ice auger drill bit border nozzle, the spout of nozzle correspond to the preceding knife of cutting element on ice auger drill bit The opening position in face.
CN201711060963.0A 2017-11-02 2017-11-02 Armoured cable type electric mechanical double-pipe coring drilling tool for drilling ice layer Active CN107620578B (en)

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CN201711060963.0A CN107620578B (en) 2017-11-02 2017-11-02 Armoured cable type electric mechanical double-pipe coring drilling tool for drilling ice layer

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625775A (en) * 2018-07-09 2018-10-09 吉林大学 A kind of revolution cutting type ice sheet hot melt drilling apparatus
CN109042568A (en) * 2018-09-30 2018-12-21 滦南建国科技有限公司 The drilling equipment of circular pipe type ice-breaking on ice
CN110454085A (en) * 2019-09-10 2019-11-15 吉林大学 A kind of polar region drilling armored cable formula motor machine Hydro-Hammer Drilling Tool
CN111236838A (en) * 2020-03-02 2020-06-05 吉林大学 Ice layer hole wall coring system and coring method
CN111255375A (en) * 2020-02-18 2020-06-09 吉林大学 Plasma ice layer drill bit and plasma ice layer drilling equipment
CN111307505A (en) * 2020-03-20 2020-06-19 吉林大学 Ice layer high-temperature flame ice melting drilling tool
CN113187422A (en) * 2021-01-04 2021-07-30 成都理工大学 Detachable stress-preserving rock core containing device in high-ground-stress environment drilling
CN113216834A (en) * 2021-06-21 2021-08-06 吉林大学 Hole wall directional hot melting coring drilling tool for ice layer
CN114215489A (en) * 2021-12-24 2022-03-22 吉林大学 Dry hole type thermal shock rotary coring drilling tool
CN115749652A (en) * 2022-12-15 2023-03-07 吉林大学 Electric mechanical hole wall directional coring drilling tool for ice drill

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US20130206482A1 (en) * 2010-08-05 2013-08-15 Tomax As Pump positioned at a drill bit
CN103643913A (en) * 2013-12-05 2014-03-19 吉林大学 Ice layer air turbine reverse circulation continuous coring downhole power drilling tool
CN207377523U (en) * 2017-11-02 2018-05-18 吉林大学 A kind of ice sheet drilling two-tube core drill of armored cable formula motor machine

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US20130206482A1 (en) * 2010-08-05 2013-08-15 Tomax As Pump positioned at a drill bit
CN102828689A (en) * 2012-07-25 2012-12-19 吉林大学 Cable suspending type air partial reverse circulating motor mechanical core bit
CN103643913A (en) * 2013-12-05 2014-03-19 吉林大学 Ice layer air turbine reverse circulation continuous coring downhole power drilling tool
CN207377523U (en) * 2017-11-02 2018-05-18 吉林大学 A kind of ice sheet drilling two-tube core drill of armored cable formula motor machine

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108625775B (en) * 2018-07-09 2023-09-15 吉林大学 Rotary cutting type ice layer hot melting drilling device
CN108625775A (en) * 2018-07-09 2018-10-09 吉林大学 A kind of revolution cutting type ice sheet hot melt drilling apparatus
CN109042568A (en) * 2018-09-30 2018-12-21 滦南建国科技有限公司 The drilling equipment of circular pipe type ice-breaking on ice
CN110454085A (en) * 2019-09-10 2019-11-15 吉林大学 A kind of polar region drilling armored cable formula motor machine Hydro-Hammer Drilling Tool
CN111255375A (en) * 2020-02-18 2020-06-09 吉林大学 Plasma ice layer drill bit and plasma ice layer drilling equipment
CN111236838A (en) * 2020-03-02 2020-06-05 吉林大学 Ice layer hole wall coring system and coring method
CN111236838B (en) * 2020-03-02 2024-05-03 吉林大学 Ice layer hole wall coring system and coring method
CN111307505A (en) * 2020-03-20 2020-06-19 吉林大学 Ice layer high-temperature flame ice melting drilling tool
CN113187422A (en) * 2021-01-04 2021-07-30 成都理工大学 Detachable stress-preserving rock core containing device in high-ground-stress environment drilling
CN113187422B (en) * 2021-01-04 2022-06-28 成都理工大学 Detachable stress-preserving rock core containing device in high-ground-stress environment drilling
CN113216834A (en) * 2021-06-21 2021-08-06 吉林大学 Hole wall directional hot melting coring drilling tool for ice layer
CN113216834B (en) * 2021-06-21 2022-06-10 吉林大学 Hole wall directional hot melting coring drilling tool for ice layer
CN114215489A (en) * 2021-12-24 2022-03-22 吉林大学 Dry hole type thermal shock rotary coring drilling tool
CN114215489B (en) * 2021-12-24 2022-09-23 吉林大学 Dry hole type thermal shock rotary coring drilling tool
CN115749652A (en) * 2022-12-15 2023-03-07 吉林大学 Electric mechanical hole wall directional coring drilling tool for ice drill
CN115749652B (en) * 2022-12-15 2024-04-26 吉林大学 Electric mechanical hole wall directional coring drilling tool for ice drill

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