CN104533284A - Long screw pile machine - Google Patents

Long screw pile machine Download PDF

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Publication number
CN104533284A
CN104533284A CN201410162281.0A CN201410162281A CN104533284A CN 104533284 A CN104533284 A CN 104533284A CN 201410162281 A CN201410162281 A CN 201410162281A CN 104533284 A CN104533284 A CN 104533284A
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CN
China
Prior art keywords
hole
pipe
augers
screw rod
flange
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Granted
Application number
CN201410162281.0A
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Chinese (zh)
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CN104533284B (en
Inventor
姜庆
王德利
柳志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Hydraulic & Geotechnical Engineering Co Ltd
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Weihai Hydraulic & Geotechnical Engineering Co Ltd
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Priority to CN201410162281.0A priority Critical patent/CN104533284B/en
Publication of CN104533284A publication Critical patent/CN104533284A/en
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Publication of CN104533284B publication Critical patent/CN104533284B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00Drives for drilling with combined rotary and percussive action
    • E21B6/02Drives for drilling with combined rotary and percussive action the rotation being continuous
    • E21B6/04Separate drives for percussion and rotation
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/44Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • E21B10/445Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22Rods or pipes with helical structure

Abstract

The invention discloses a long screw pile machine. The machine is characterized in that a central through hole is formed in a screw bit, a down-hole hammer stretching out of a drill is arranged in the central through hole of the screw bit and is connected with a tapered threaded rod on a flange through a tapered threaded hole in the upper end of a handle to achieve location. A limit plate is arranged between the down-hole hammer handle and the screw bit through hole. An air through pipe and a water through pipe are arranged on the flange, an inlet of the air through pipe is communicated with an air guide pipe in a screw drill rod and a screw bit joint, an outlet of the air through pipe is communicated with an air inlet pipe in the down-hole hammer handle, an inlet of the water through pipe is communicated with a water guide pipe in the screw drill rod and the screw drill joint, an outlet of the water through pipe is connected with a water injection pipe, an outlet of the water injection pipe is formed in a lower port of the screw drill central through hole, and the air guide pipe and the water guide pipe in the screw drill rod and the screw drill joint are communicated with an air pipe and a water pipe on a power head. The machine has the advantages of being novel in structure, simple to operate, high in work efficiency, long in service life, wide in application range and the like.

Description

A kind of long spire stake machine
Technical field
The present invention relates to pile foundation construction equipment, the long spire stake machine of specifically a kind of applicable complicated region deep pile foundation construction.
Background technology
At present, the capital equipment of pile foundation construction is long spire stake machine, and it comprises hydraulic moving mechanism pile frame and drilling system two parts, and pile frame is primarily of top pulleys group, column, hound, chassis, walking mechanism, slew gear, hoisting mechanism, pulpit, hydraulic system and electrical system composition. drilling system comprises unit head and drilling tool, and the output shaft of unit head and augers are hollow type, and augers is divided into single head list spiral shell, double end list spiral shell, the two spiral shell of double end, its advantage is simple to operate, easy to use, drilling efficiency is high, but, when running into the piling of complicated region, due to the torque by unit head, antidetonation, the factor impact of shock resistance and pile body height, inefficiency, particularly runs into the larger rock stratum of geology hardness, when ratchel or other hardness of matter, often cannot continue to look for into, seriously may damage drill bit, and more bit change bothers very much, need the screw rod by stake captain is long to transfer to more bit change completely, not only waste drill bit, the more important thing is schedule delays, cause larger economic loss.
Pneumatic percussion drill is a kind of lightly nimble pneumatic tool, and have the advantages that safety and stability, performance efficiency, hyperbar, impact force are powerful, pneumatic percussion drill main frame is made up of handle body, pressure handle, cylinder, head, push rod etc.The operating principle of pneumatic percussion drill: high pressure gas enters pressure handle by tracheae tube connector joint and carries out tolerance adjustment, enter Churn drill cylinder again, finally regulated by push rod and form impact rotating or impact merely, thus reaching impact or pivotal effect, pneumatic percussion drill is mainly used in bed rock celt hole, ore deposit, concrete punching, building brick wall drill hole.
Summary of the invention
The object of the invention is the deficiency solving long spire stake machine, pneumatic percussion drill combines with long spire stake machine, provides a kind of easy to operate, long spire stake machine that use safety, operating efficiency are high.
The technical solution adopted for the present invention to solve the technical problems is.
A kind of long spire stake machine, comprise pile frame and drilling system two parts, pile frame is primarily of top pulleys group, column, hound, chassis, walking mechanism, slew gear, hoisting mechanism, pulpit, hydraulic system and electrical system composition. drilling system comprises unit head and drilling tool, the screw rod drilling rod (output shaft) of unit head is through screw rod bit adapter, flange is connected with augers, the lower surface of augers is provided with drilling tool, it is characterized in that augers is provided with central through hole, the down-hole hammer stretching out drilling tool is provided with in the central through hole of augers, down-the-hole hammer handle body upper end is provided with conical screw hole, flange is provided with tapered thread bar, down-hole hammer to be connected with the tapered thread bar on flange through the conical screw hole of handle body upper end and to realize locating, the limiting plate perpendicular to augers axis preventing down-hole hammer circular runout is provided with between down-the-hole hammer handle body and augers through hole, flange is provided with air duct and ventilating water pipe, the import of air duct is connected with the wireway in screw rod bit adapter with screw rod drilling rod, air duct outlet is connected with the air inlet pipe in down-the-hole hammer handle body, the import of ventilating water pipe is connected with the aqueduct in screw rod bit adapter with screw rod drilling rod, the outlet of ventilating water pipe is connected with the water injection pipe be located between down-hole hammer with augers, the delivery port of water injection pipe is arranged on the lower port of augers central through hole, screw rod drilling rod is connected with water pipe with the tracheae on unit head with aqueduct respectively with the wireway in screw rod bit adapter.
Air duct axis in the present invention and the axes coincide of flange, ventilating water pipe is arranged on the side of air duct, and the outlet of ventilating water pipe is arranged on the side of flange tapered thread bar.
When the present invention works, unit head makes augers rotate through screw rod drilling rod and screw rod drill bit and applies downward pressure, to realize piling work, when running into the larger rock stratum of geology hardness, when ratchel or other hardness of matter, screw rod drill bit cannot look for into, air latent drift take compressed air as a kind of air-driven impact instrument of power, the ballistic work that it produces and frequency of impact directly can pass to tup, form the pulsation breaking capacity to rock, overall rock hammering is broken, form cracking, and then drive by the revolution of rig and drilling rod and load pressure at right angle, auger tooth breaks rock into pieces with one's fingers, rock is made to become volumetric fracture, substantially increase drilling efficiency and to compliance that is hard and bad ground, thus achieve the object of rotary-percussive drilling at the bottom of hole, the effect of water under high pressure introduced by water pipe: one is remove the clay on down-hole hammer tup, prevent its gas outlet in the process of creeping into from being blocked by clay and cannot normally work, two is that hammer easily produces a large amount of heat at the time content of continuous firing, so also can play the effect of cooling to tup, three is that setting-out can also sink to the clay in gap at the bottom of hole, small crushed stone is removed, and is convenient to bore dental transition and easily grabs and cut rock, make rock become block broken, improve rate of penetration, and four is reactions of gentle formation, granule rubble is recoiled and portals.Five is the stirrings in drilling rod; water and earth are formed mud; a kind of protection is formed to hole wall; prevent collapse hole; production practices prove; it has studied intensively into efficiency higher 3 ~ 5 times than fluctuation rotary-percussive drilling efficiency, have easy to operate, use safety, operating efficiency are high, by advantages such as the life-span are long, applied widely.
Accompanying drawing explanation
Fig. 1 is a kind of appearance schematic diagram of the present invention.
Fig. 2 be Fig. 1 internal construction schematic diagram.
Fig. 3 is the schematic diagram of flange in the present invention.
Fig. 4 is the top view of Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.(be described clearly as far as possible below, have data to add some data)
As shown in the figure, a kind of long spire stake machine, comprise pile frame and drilling system two parts, pile frame is primarily of top pulleys group, column, hound, chassis, walking mechanism, slew gear, hoisting mechanism, pulpit, hydraulic system and electrical system composition, enter system and comprise unit head and drilling tool, the screw rod drilling rod (output shaft) of unit head is through screw rod bit adapter 1, flange 2 is connected with augers 3, the lower surface of augers 3 is provided with drilling tool 4, the structure of above-mentioned each ingredient and the interconnected relationship between them same as the prior art, this does not repeat, the invention is characterized in that augers 3 is provided with central through hole, the down-hole hammer 5 stretching out drilling tool is provided with in the central through hole of augers 3, down-the-hole hammer handle body 6 upper end is provided with conical screw hole, flange 2 is provided with tapered thread bar 7, down-hole hammer 5 to be connected with the tapered thread bar 7 on flange 2 through the conical screw hole of handle body 6 upper end and to realize locating, the limiting plate 8 perpendicular to augers axis preventing down-hole hammer circular runout is provided with between down-the-hole hammer handle body 6 and augers through hole, flange 2 is provided with air duct 9 and ventilating water pipe 10, the import of air duct 9 is connected with the wireway in screw rod bit adapter with screw rod drilling rod, air duct outlet is connected with the air inlet pipe 11 in down-the-hole hammer handle body, the import of ventilating water pipe 10 is connected with the aqueduct in screw rod bit adapter with screw rod drilling rod, the outlet of ventilating water pipe 10 is connected with the water injection pipe 12 be located between down-hole hammer with augers, the delivery port of water injection pipe is arranged on the lower port of augers central through hole, screw rod drilling rod is connected with water pipe with the tracheae on unit head with aqueduct respectively with the wireway in screw rod bit adapter, in addition, the axes coincide of air duct axis and flange, ventilating water pipe is arranged on the side of air duct, the outlet of ventilating water pipe is arranged on the side of flange tapered thread bar.
When the present invention works, unit head makes augers rotate through screw rod drilling rod and screw rod drill bit and applies downward pressure, to realize piling work, when running into the larger rock stratum of geology hardness, when ratchel or other hardness of matter, screw rod drill bit cannot look for into, air latent drift take compressed air as a kind of air-driven impact instrument of power, the ballistic work that it produces and frequency of impact directly can pass to tup, form the pulsation breaking capacity to rock, overall rock hammering is broken, form cracking, and then drive by the revolution of rig and drilling rod and load pressure at right angle, auger tooth breaks rock into pieces with one's fingers, rock is made to become volumetric fracture, substantially increase drilling efficiency and to compliance that is hard and bad ground, thus achieve the object of rotary-percussive drilling at the bottom of hole, the effect of water under high pressure introduced by water pipe: one is remove the clay on down-hole hammer tup, prevent its gas outlet in the process of creeping into from being blocked by clay and cannot normally work, two is that hammer easily produces a large amount of heat at the time content of continuous firing, so also can play the effect of cooling to tup, three is that setting-out can also sink to the clay in gap at the bottom of hole, small crushed stone is removed, and is convenient to bore dental transition and easily grabs and cut rock, make rock become block broken, improve rate of penetration, and four is reactions of gentle formation, granule rubble is recoiled and portals.Five is the stirrings in drilling rod; water and earth are formed mud; a kind of protection is formed to hole wall; prevent collapse hole; production practices prove; it has studied intensively into efficiency higher 3 ~ 5 times than fluctuation rotary-percussive drilling efficiency, have easy to operate, use safety, operating efficiency are high, by advantages such as the life-span are long, applied widely.

Claims (2)

1. a long spire stake machine, comprise pile frame and drilling system two parts, pile frame is primarily of top pulleys group, column, hound, chassis, walking mechanism, slew gear, hoisting mechanism, pulpit, hydraulic system and electrical system composition. drilling system comprises unit head and drilling tool, the screw rod drilling rod (output shaft) of unit head is through screw rod bit adapter, flange is connected with augers, the lower surface of augers is provided with drilling tool, it is characterized in that augers is provided with central through hole, the down-hole hammer stretching out drilling tool is provided with in the central through hole of augers, down-the-hole hammer handle body upper end is provided with conical screw hole, flange is provided with tapered thread bar, down-hole hammer to be connected with the tapered thread bar on flange through the conical screw hole of handle body upper end and to realize locating, the limiting plate perpendicular to augers axis preventing down-hole hammer circular runout is provided with between down-the-hole hammer handle body and augers through hole, flange is provided with air duct and ventilating water pipe, the import of air duct is connected with the wireway in screw rod bit adapter with screw rod drilling rod, air duct outlet is connected with the air inlet pipe in down-the-hole hammer handle body, the import of ventilating water pipe is connected with the aqueduct in screw rod bit adapter with screw rod drilling rod, the outlet of ventilating water pipe is connected with the water injection pipe be located between down-hole hammer with augers, the delivery port of water injection pipe is arranged on the lower port of augers central through hole, screw rod drilling rod is connected with water pipe with the tracheae of the center-rotary joint on unit head with aqueduct respectively with the wireway in screw rod bit adapter.
2., according to a kind of long spire stake machine according to claim 1, it is characterized in that the axes coincide of air duct axis and flange, ventilating water pipe is arranged on the side of air duct, and the outlet of ventilating water pipe is arranged on the side of flange tapered thread bar.
CN201410162281.0A 2014-04-22 2014-04-22 A kind of long spire stake machine Active CN104533284B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104533284B CN104533284B (en) 2017-12-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110242220A (en) * 2019-05-13 2019-09-17 湖南达道新能源开发有限公司 It is a kind of for excavating the rotary drill drill bit of geothermal drilling
CN111335817A (en) * 2020-04-23 2020-06-26 贵阳品创科技有限公司 Rotary drilling machine impact drill hammer head convenient to assemble

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86106885A (en) * 1985-10-04 1987-04-01 利根钻探株式会社 Air pressure percussive drilling method and device therefor
JPH1162453A (en) * 1997-08-22 1999-03-05 Koji Hioki System for effective use of down-the-hole drill
US20090274522A1 (en) * 2007-01-08 2009-11-05 Lei Yuhua Piling machine with high-pressure jet spiral bit and its piling method
CN102322058A (en) * 2011-06-17 2012-01-18 北京荣创科宏岩土工程有限公司 Construction process and equipment for downhole impacting high-pressure jet grouting pile
CN102747951A (en) * 2012-07-24 2012-10-24 威海市海泰起重机械有限公司 Follow-up drilling machine for sleeve of down-the-hole hammer
CN103089146A (en) * 2013-01-23 2013-05-08 阎慧奎 Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata
CN103132908A (en) * 2013-02-07 2013-06-05 宁波市中乾建筑工程有限公司 Device for drilling rock and embedding rock-socketed prestressed pipe pile by down-hole hammer and construction method of device
CN203796162U (en) * 2014-04-22 2014-08-27 威海市水利岩土工程有限公司 Long spiral pile machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86106885A (en) * 1985-10-04 1987-04-01 利根钻探株式会社 Air pressure percussive drilling method and device therefor
JPH1162453A (en) * 1997-08-22 1999-03-05 Koji Hioki System for effective use of down-the-hole drill
US20090274522A1 (en) * 2007-01-08 2009-11-05 Lei Yuhua Piling machine with high-pressure jet spiral bit and its piling method
CN102322058A (en) * 2011-06-17 2012-01-18 北京荣创科宏岩土工程有限公司 Construction process and equipment for downhole impacting high-pressure jet grouting pile
CN102747951A (en) * 2012-07-24 2012-10-24 威海市海泰起重机械有限公司 Follow-up drilling machine for sleeve of down-the-hole hammer
CN103089146A (en) * 2013-01-23 2013-05-08 阎慧奎 Engineering driller capable of conducting superfluid concrete grouting pile driving construction on hard rock strata
CN103132908A (en) * 2013-02-07 2013-06-05 宁波市中乾建筑工程有限公司 Device for drilling rock and embedding rock-socketed prestressed pipe pile by down-hole hammer and construction method of device
CN203796162U (en) * 2014-04-22 2014-08-27 威海市水利岩土工程有限公司 Long spiral pile machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110242220A (en) * 2019-05-13 2019-09-17 湖南达道新能源开发有限公司 It is a kind of for excavating the rotary drill drill bit of geothermal drilling
CN111335817A (en) * 2020-04-23 2020-06-26 贵阳品创科技有限公司 Rotary drilling machine impact drill hammer head convenient to assemble
CN111335817B (en) * 2020-04-23 2021-07-30 佛山市顺德区莱利达工程设备有限公司 Rotary drilling machine impact drill hammer head convenient to assemble

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