US3786874A - Universal drilling machine - Google Patents

Universal drilling machine Download PDF

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Publication number
US3786874A
US3786874A US00247278A US3786874DA US3786874A US 3786874 A US3786874 A US 3786874A US 00247278 A US00247278 A US 00247278A US 3786874D A US3786874D A US 3786874DA US 3786874 A US3786874 A US 3786874A
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US
United States
Prior art keywords
spindle
drilling machine
universal drilling
flange
vibrator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00247278A
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English (en)
Inventor
A Jodet
H Noret
J Demichelis
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.)
ETAT FR LABOR CENTRAL DES PONT
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ETAT FR LABOR CENTRAL DES PONT
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Publication of US3786874A publication Critical patent/US3786874A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

Definitions

  • ABSTRACT A borer comprises a hammer, a spindle connected to [30] Foreign Application Priority Data Apr. 30, 1971 France 7115694 rotate with a rotatable table, and a vibrator connected between the hammer and a support for vibrating the a [52] US. 173/49, 173/28, 173/105, hammer The Spindle is free to rotate with respect to 173/114 the su pport. A flexible coupling 15 arranged between [51] Int. E2lc 1/12 the Supportand the table. [58] Field of Search173/49, 48, 115, 114, 105-108;
  • SHEET 2 [IF 2 UNIVERSAL DRILLING MACHINE The present invention relates to borers. Conventional borers are of several types depending upon the nature of the material, for example, soil,
  • a borer which it is desired to bore.
  • a borer which applies a static thrust to a drilling tool is used.
  • Such a borer may be driven al ternately from either side of a mean position in order to obtain what is generally called a tacking" effect.
  • borers are used for boring more or less hard material.
  • One such borer comprises a vibrating part, the vibrations of which are generated mechanically or electromagnetically. In this case boring is accomplished either by purely vertical movement or by vertical movement combined with torsional movementof a drilling tool.
  • Another conventional borer comprises a rotating part, for example, a rotating table, rigidly connected with a spindle on which is mounted a succession of rods at the end of which there is a drilling tool. In this case, the boring is accomplished by the rotating part, possibly, assisted by thrust forces.
  • the present invention seeks to provide a borer which does not have the disadvantages of the conventional borer and which can be used to bore into all kinds of materials.
  • a borer comprising: percussion means; a spindle connected to a rotatable table; vibrator means connected with the percussion means and a support member mounted on the spindle, the spindle being free to rotate with respect to the support member; and flexible coupling means arranged between the support member and Means for driving the borer may be disposed adjacent to the table.
  • the spindle is axially movable with respect to the table.
  • the support member may have a flange disposed about the spindle, bearing means being disposed therebetween, the said flange having at least one support means for the flexible coupling means.
  • Resilient means may be provided between the vibrator means and the flange.
  • the resilient means are such that, in operation, the frequency of vibration of the vibrator means and the percussion means is greater than the inherent frequency of vibration of the table.
  • FIG. 1 is a diagrammatic elevation of a borer according to the present invention, mounted on a vehicle, and
  • FIG. 2 is a sectional view of the borer of FIG. 1.
  • FIG. I shows diagrammatically a borer according to the present invention mounted on a vehicle 1.
  • a hydraulic unit 2 arranged to be driven by an engine (not shown) of the vehicle, is mounted thereon.
  • a positioning apparatus is located on the vehicle. The positioning apparatus may assume a working position (shown in heavy lines) or an inoperative position (shown in'dotted lines) for transport purposes.
  • the positioning apparatus includes a jack 4 pivoted at 5 to the vehicle.
  • a rod 6 of the jack is rigidly connected to an angle plate 7 which, in turn, is fixed to a mast 8 arranged to guide and support a borer 9.
  • the plate 7 is connected by way of a jack 10 to a lever 11 pivoted on an angle plate 12 which is also fixed to the mast 8.
  • a traction cable 15 passes over these pulleys and is connected to a winch 16 mounted on the vehicle 1.
  • a stabilising jack 17 is rigidly mounted on the vehicle 1. On the rod of the jack 17 are means 18 for retaining a train of rods 19 and a boring or drilling tool. (not shown).
  • a pulley 20 over which passes a cable or chain 21.
  • the chain 21 is fixed at 24 to the borer 9 and'passes over one or a plurality of pulleys 22 carried by an angle plate 23 pivotally mounted on the vehicle.
  • the borer 9 comprises a rotating table 25 consisting of a casing 26 inside which is a gear wheel 27.
  • the gear wheel 27 meshes with a gear wheel 28 of smaller diameter.
  • the gear wheel 28 is mounted on a driving spindle 29 which is supported from the casing 26 by ball bearings 30.
  • the spindle 29 is rotated by a hydraulic axial piston engine 31 of variable capacity.
  • the engine 31 is fed by a pump which is likewise of variable capacity.
  • the capacities of the pump and of the engine 31 may be remotely controlled by one and the same single control means (not shown).
  • the gear wheel 27 is mounted on a drive shaft 32 within which there is a hollow spindle 33.
  • the drive shaft 32 is rigidly supported from a casing by means of a plurality of roller bearings 36.
  • the spindle 33 On its outer periphery, the spindle 33 has splines 34 adapted to cooperate with splines 35 provided on the inside surface of the drive shaft 32.
  • the spindle 33 is capable of axial displacement with respect to the gear wheel 27 and, therefore, with respect to the table 25, and yet it is rotated by the gear wheel 27.
  • the spindle 33 is connected to a body 37 extending from a solid annular flange 38 by means of roller bearmember 44. On either side of the flange 38 rubber washers 45 are fitted onto each rod 42. Axial movement of the flange 38 is limited by stops 43a, 44a on the respective boss end 43, and by the thrust members 44.
  • a spring 47 Screwed into each of four holes 41 is one end of a rod 46.
  • a spring 47 of a stiffness different from that of a plurality of washers 49, surrounds each rod 46.
  • the springs 47 workin a traction-compression manner and are disposed in such a way that adjacent springs are of opposite hand.
  • Each spring 47 is fixed at its one end to a ring 48 rigidly connected with the flange 38 and at its other end to a ring 49 rigidly connected with a casing 52 of a vibrator 50.
  • the casing 52 likewise comprises a ring 51 through which the rods 46 pass and on which the vibrator 50 is capable of being guided and retained in position by means of nuts 53. In this way, it is possible to control the distance between the vibrator 50 and the annular flange 38.
  • the vibrator Si) is constituted by the casing 52 which is traversed by two parallelshafts 54, 55.
  • the shafts 54, 55 rotate in opposite directions and each carries an eccentric member 56, 57 respectively.
  • the shafts 54, 55 are driven by one or more hydraulic motors (not shown) coupled together mechanically. The speed of rotation of the hydraulic motors can be regulated with accuracy.
  • the shape of each eccentric member 56, 57 is adjusted to obtain a maximum kinetic moment for a given weight and yet a minimum size for the vibrator 50.
  • each eccentric member is constituted by a steel matrix in which small cylinders of a very heavy metal, such 'as, for example, calcined tungsten carbide or uranium lead, are housed symmetrically with respect to the axis of rotation.
  • a very heavy metal such 'as, for example, calcined tungsten carbide or uranium lead
  • the hammer 60 is driven by a hydraulic motor 61 cated above the vibrator 50 and an axially sliding rod 62 fitted with splines 63 which engage corresponding splines in the part 58.
  • the rod 62 is coaxial with the spindle 33.
  • the hammer member 60 has a head 64 housed in a cavity 65 provided in'the upper part of the spindle 33.
  • the head 64 has an annular rebated edge 66.
  • a part of the cavity 65 is closed over the head 64 of the hammer member 60 and has, on its surface adjacent the head, a treated metal part 69.
  • a treated metal part 69 is closed over the head 64 of the hammer member 60 and has, on its surface adjacent the head.
  • a rotatable connector 71 has a passageway 72 therein which is arranged to be positioned opposite an orifice 73 provided in the spindle 33. it is through the passageway 72 that flushing liquid passes when necessary.
  • the connector 71 is resiliently mounted by an elastic lbock 74 from a connecting piece 75 fixed to the casing 26.
  • the vibrator 50 is locked to the rods 46 and the head 64 is positioned in the cavity 65 so that the amplitude of virabation of the vibrator is such that there is not contact between either the head 64 and the pad 67, or the edge 66 and the part 69, then all the vibration of the vibrator is transmitted to the spindle 33 via the rods 46, the flange 38 and the bearings 39. in many cases,'this vibration may be sufficient to cause penetration of the drilling tool in contact with material, for example, soil, to'be drilled.
  • a universal drilling machine comprising percussion means, a rotary spindle mounted on a table to be engaged by said percussion means, a support member supportingly mounted on the rotary spindle for free rotation with respect to the rotary spindle, vibrator means connected to the percussion means and the support member, and flexible coupling means arranged between the support member and the table and driving means for said percussion means, said vibrator means and said spindle.
  • a universal drilling machine as claimed in claim 1 in which said spindle is axially movable with respect to the table.
  • a universal drilling machine as claimed in claim 1 in which the support member has a flange disposed about the spindle and including bearing means disposed between the said flange and said spindle wherein said flange includes a portion supportingly engaged with the flexible coupling means;
  • a universal drilling machine as claimed in claim 1 including stop means for limiting axial movement of said flange with respect to said table.
  • a universal drilling machine as claimed in claim 1 in which the vibrator means is positionably guided by a plurality of rods along which the vibrator means is capable of being retainably positioned by nuts.
  • a universal drilling machine as claimed in claim 1 in which the vibrator means rests on the support means by means of a plurality of springs surrounding guide rods extending from the support means.
  • said flexible coupling means comprise shock absorbing surrounding rods extending from the clearance openings in the flange of the support means'and stop means on the rod means on the side of the flange opposite said table, said washers being disposed on either side of said flange.
  • a universal drilling machine as claimed in claim 11 in which the head is screwed to the vibrator means and a bore extends through the head mounted in said bore to move coaxially with respect to the spindle within said bore and a driving motor connected to said rod for axially positioning the rod with respect to the spindle.
  • a universal drilling machine as claimed in claim 11 including a cavity in the spindle, the percussion head being axially displaceable within the cavity.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
US00247278A 1971-04-30 1972-04-25 Universal drilling machine Expired - Lifetime US3786874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7115694A FR2135860A5 (ro) 1971-04-30 1971-04-30

Publications (1)

Publication Number Publication Date
US3786874A true US3786874A (en) 1974-01-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00247278A Expired - Lifetime US3786874A (en) 1971-04-30 1972-04-25 Universal drilling machine

Country Status (17)

Country Link
US (1) US3786874A (ro)
JP (1) JPS557514B1 (ro)
AU (1) AU472365B2 (ro)
BE (1) BE782593A (ro)
BR (1) BR7202626D0 (ro)
CA (1) CA969531A (ro)
CS (1) CS178108B2 (ro)
ES (1) ES402251A1 (ro)
FR (1) FR2135860A5 (ro)
GB (1) GB1375239A (ro)
IT (1) IT954794B (ro)
NL (1) NL7205754A (ro)
OA (1) OA04004A (ro)
PL (1) PL88508B1 (ro)
RO (1) RO63058A (ro)
SE (1) SE400102B (ro)
ZA (1) ZA722781B (ro)

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092411A (en) * 1988-03-15 1992-03-03 Rudolf Hausherr & Sohne Gmbh & Co. Kg Drilling apparatus
US5289887A (en) * 1991-02-02 1994-03-01 Tracto-Technik Paul Schmidt Spezialmaschinen Kg Method of operating an earth boring machine
US5409070A (en) * 1993-10-18 1995-04-25 Roussy; Raymond J. Coupling for rotary-vibratory drills
US5794716A (en) * 1996-06-26 1998-08-18 American Piledriving Equipment, Inc. Vibratory systems for driving elongate members into the earth in inaccessible areas
WO2002068789A2 (en) * 2001-02-26 2002-09-06 Diedrich Drill, Inc. Sonic drill head
EP1273411A2 (de) * 2001-07-05 2003-01-08 Klaus Ertmer Maschinenbautechnologie Aktivierungsgerät für Schneidköpfe hydraulischer Trägergeräte
US20060042811A1 (en) * 2004-09-01 2006-03-02 Carl Hagemeyer Ground working implement and method for introducing a working element into the ground
EP1643078A2 (en) * 2001-02-26 2006-04-05 Diedrich Drill, Inc. Sonic drill head
US20060191719A1 (en) * 2005-02-28 2006-08-31 Roussy Raymond J Method of geothermal loop installation
US20070151377A1 (en) * 2005-12-13 2007-07-05 Roussy Raymond J Vibratory apparatus for a rotary-vibratory drill
US20080129029A1 (en) * 2006-12-05 2008-06-05 Holte Ardis L Extensible equipment mast
US7392855B1 (en) * 2005-04-27 2008-07-01 American Piledriving Equipment, Inc. Vibratory pile driving systems and methods
US20090065255A1 (en) * 2005-02-28 2009-03-12 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill
US20090214299A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
US20090211811A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US20100040419A1 (en) * 2005-02-28 2010-02-18 Roussy Raymond Method and system for installing micropiles with a sonic drill
US20100139984A1 (en) * 2007-03-29 2010-06-10 Gregory Donald West Rotary drive for applying rotary torque to a shaft to be axially vibrated
US20100155141A1 (en) * 2005-02-28 2010-06-24 Roussy Raymond Method and system for installing geothermal transfer apparatuses with a sonic drill
US7854571B1 (en) 2005-07-20 2010-12-21 American Piledriving Equipment, Inc. Systems and methods for handling piles
US20110162859A1 (en) * 2010-01-06 2011-07-07 White John L Pile driving systems and methods employing preloaded drop hammer
US8434969B2 (en) 2010-04-02 2013-05-07 American Piledriving Equipment, Inc. Internal pipe clamp
US8496072B2 (en) 2002-09-17 2013-07-30 American Piledriving Equipment, Inc. Preloaded drop hammer for driving piles
US20140083775A1 (en) * 2011-05-16 2014-03-27 Zhongsheng Tang Rotary impact drill and double-layer drilling rod mechanism
US8851203B2 (en) 2011-04-08 2014-10-07 Layne Christensen Company Sonic drill head
US20150016893A1 (en) * 2013-07-05 2015-01-15 American Piledriving Equipment, Inc Accessory connection systems and methods for use with helical piledriving systems
US9249551B1 (en) 2012-11-30 2016-02-02 American Piledriving Equipment, Inc. Concrete sheet pile clamp assemblies and methods and pile driving systems for concrete sheet piles
WO2017041118A3 (en) * 2015-08-31 2017-04-27 Ihc Marine And Mineral Projects (Proprietary) Limited Vibration generator for a drilling installation, underwater drilling installation and underwater drilling system
US9957684B2 (en) 2015-12-11 2018-05-01 American Piledriving Equipment, Inc. Systems and methods for installing pile structures in permafrost
US10273646B2 (en) 2015-12-14 2019-04-30 American Piledriving Equipment, Inc. Guide systems and methods for diesel hammers
US10392871B2 (en) 2015-11-18 2019-08-27 American Piledriving Equipment, Inc. Earth boring systems and methods with integral debris removal
US10538892B2 (en) 2016-06-30 2020-01-21 American Piledriving Equipment, Inc. Hydraulic impact hammer systems and methods
US11555351B2 (en) * 2020-11-19 2023-01-17 Dalian University Of Technology Spiral impact drilling machine applicable to rock and soil and construction method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172225B (en) * 1985-03-13 1989-09-06 Dobson Park Ind Drilling apparatus
CN114233288B (zh) * 2022-02-28 2022-05-10 烟台市莱山区建设工程事务服务中心 一种建筑设计用地质勘察钻探装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB734575A (en) * 1951-08-02 1955-08-03 Electrical Percussion Ltd Improvements in or relating to percussion tools
US3190369A (en) * 1963-01-24 1965-06-22 Galis Mfg Company Rotary percussion rock drilling apparatus
US3467207A (en) * 1966-10-10 1969-09-16 Harley G Pyles Universal drilling machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB734575A (en) * 1951-08-02 1955-08-03 Electrical Percussion Ltd Improvements in or relating to percussion tools
US3190369A (en) * 1963-01-24 1965-06-22 Galis Mfg Company Rotary percussion rock drilling apparatus
US3467207A (en) * 1966-10-10 1969-09-16 Harley G Pyles Universal drilling machine

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092411A (en) * 1988-03-15 1992-03-03 Rudolf Hausherr & Sohne Gmbh & Co. Kg Drilling apparatus
US5289887A (en) * 1991-02-02 1994-03-01 Tracto-Technik Paul Schmidt Spezialmaschinen Kg Method of operating an earth boring machine
US5409070A (en) * 1993-10-18 1995-04-25 Roussy; Raymond J. Coupling for rotary-vibratory drills
US5794716A (en) * 1996-06-26 1998-08-18 American Piledriving Equipment, Inc. Vibratory systems for driving elongate members into the earth in inaccessible areas
US6739410B2 (en) 2001-02-26 2004-05-25 Diedrich Drill, Inc. Sonic drill head
WO2002068789A3 (en) * 2001-02-26 2002-12-19 Diedrich Drill Inc Sonic drill head
US20040113340A1 (en) * 2001-02-26 2004-06-17 James Lange Sonic drill head
EP1643078A2 (en) * 2001-02-26 2006-04-05 Diedrich Drill, Inc. Sonic drill head
EP1643078A3 (en) * 2001-02-26 2006-07-05 Diedrich Drill, Inc. Sonic drill head
WO2002068789A2 (en) * 2001-02-26 2002-09-06 Diedrich Drill, Inc. Sonic drill head
EP1273411A2 (de) * 2001-07-05 2003-01-08 Klaus Ertmer Maschinenbautechnologie Aktivierungsgerät für Schneidköpfe hydraulischer Trägergeräte
EP1273411A3 (de) * 2001-07-05 2003-01-15 Klaus Ertmer Maschinenbautechnologie Aktivierungsgerät für Schneidköpfe hydraulischer Trägergeräte
US8496072B2 (en) 2002-09-17 2013-07-30 American Piledriving Equipment, Inc. Preloaded drop hammer for driving piles
US7422073B2 (en) 2004-09-01 2008-09-09 Eurodrill Gmbh Ground working implement and method for introducing a working element into the ground
US20060042811A1 (en) * 2004-09-01 2006-03-02 Carl Hagemeyer Ground working implement and method for introducing a working element into the ground
EP1632637A1 (de) * 2004-09-01 2006-03-08 EURODRILL GmbH Bodenbearbeitungsgerät und Verfahren zum Einbringen eines Arbeitselementes in den Boden
US20060191719A1 (en) * 2005-02-28 2006-08-31 Roussy Raymond J Method of geothermal loop installation
US8210281B2 (en) 2005-02-28 2012-07-03 Roussy Raymond Method and system for installing geothermal transfer apparatuses with a sonic drill
US20080083565A1 (en) * 2005-02-28 2008-04-10 Roussy Raymond J Method of geothermal loop installation
US20090065255A1 (en) * 2005-02-28 2009-03-12 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill
US8136611B2 (en) 2005-02-28 2012-03-20 Roussy Raymond Method and system for installing micropiles with a sonic drill
US8132631B2 (en) 2005-02-28 2012-03-13 Roussy Raymond J Method of geothermal loop installation
US7647988B2 (en) 2005-02-28 2010-01-19 Raymond J. Roussy Method and system for installing geothermal transfer apparatuses with a sonic drill
US20100040419A1 (en) * 2005-02-28 2010-02-18 Roussy Raymond Method and system for installing micropiles with a sonic drill
US20100124462A1 (en) * 2005-02-28 2010-05-20 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill
US8002502B2 (en) 2005-02-28 2011-08-23 Raymond J. Roussy Method and system for installing cast-in-place concrete piles with a sonic drill
US20100155141A1 (en) * 2005-02-28 2010-06-24 Roussy Raymond Method and system for installing geothermal transfer apparatuses with a sonic drill
US7392855B1 (en) * 2005-04-27 2008-07-01 American Piledriving Equipment, Inc. Vibratory pile driving systems and methods
US7854571B1 (en) 2005-07-20 2010-12-21 American Piledriving Equipment, Inc. Systems and methods for handling piles
US20110116874A1 (en) * 2005-07-20 2011-05-19 American Piledriving Equipment, Inc. Systems and methods for handling piles
US8070391B2 (en) 2005-07-20 2011-12-06 American Piledriving Equipment, Inc. Systems and methods for handling piles
US20070151377A1 (en) * 2005-12-13 2007-07-05 Roussy Raymond J Vibratory apparatus for a rotary-vibratory drill
US7740085B2 (en) * 2005-12-13 2010-06-22 Roussy Raymond J Vibratory apparatus for a rotary-vibratory drill
US20080129029A1 (en) * 2006-12-05 2008-06-05 Holte Ardis L Extensible equipment mast
US20100139984A1 (en) * 2007-03-29 2010-06-10 Gregory Donald West Rotary drive for applying rotary torque to a shaft to be axially vibrated
US7891440B2 (en) 2008-02-22 2011-02-22 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US20110100713A1 (en) * 2008-02-22 2011-05-05 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US8074740B2 (en) 2008-02-22 2011-12-13 Roussy Raymond J Method and system for installing cast-in-place concrete piles with a sonic drill and a removable or retrievable drill bit
US8118115B2 (en) 2008-02-22 2012-02-21 Roussy Raymond J Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
US20090211811A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
US20090214299A1 (en) * 2008-02-22 2009-08-27 Roussy Raymond J Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
US20110162859A1 (en) * 2010-01-06 2011-07-07 White John L Pile driving systems and methods employing preloaded drop hammer
US8763719B2 (en) 2010-01-06 2014-07-01 American Piledriving Equipment, Inc. Pile driving systems and methods employing preloaded drop hammer
US8434969B2 (en) 2010-04-02 2013-05-07 American Piledriving Equipment, Inc. Internal pipe clamp
US8851203B2 (en) 2011-04-08 2014-10-07 Layne Christensen Company Sonic drill head
US20140083775A1 (en) * 2011-05-16 2014-03-27 Zhongsheng Tang Rotary impact drill and double-layer drilling rod mechanism
US9670728B2 (en) * 2011-05-16 2017-06-06 Zhongsheng Tang Rotary impact drill and double-layer drilling rod mechanism
US9249551B1 (en) 2012-11-30 2016-02-02 American Piledriving Equipment, Inc. Concrete sheet pile clamp assemblies and methods and pile driving systems for concrete sheet piles
US20150016893A1 (en) * 2013-07-05 2015-01-15 American Piledriving Equipment, Inc Accessory connection systems and methods for use with helical piledriving systems
US9371624B2 (en) * 2013-07-05 2016-06-21 American Piledriving Equipment, Inc. Accessory connection systems and methods for use with helical piledriving systems
WO2017041118A3 (en) * 2015-08-31 2017-04-27 Ihc Marine And Mineral Projects (Proprietary) Limited Vibration generator for a drilling installation, underwater drilling installation and underwater drilling system
US11530575B2 (en) 2015-08-31 2022-12-20 Ihc Marine And Mineral Projects (Proprietary) Limited Vibration generator for an drilling installation, underwater drilling installation and underwater drilling system
US10392871B2 (en) 2015-11-18 2019-08-27 American Piledriving Equipment, Inc. Earth boring systems and methods with integral debris removal
US9957684B2 (en) 2015-12-11 2018-05-01 American Piledriving Equipment, Inc. Systems and methods for installing pile structures in permafrost
US10273646B2 (en) 2015-12-14 2019-04-30 American Piledriving Equipment, Inc. Guide systems and methods for diesel hammers
US10538892B2 (en) 2016-06-30 2020-01-21 American Piledriving Equipment, Inc. Hydraulic impact hammer systems and methods
US11555351B2 (en) * 2020-11-19 2023-01-17 Dalian University Of Technology Spiral impact drilling machine applicable to rock and soil and construction method

Also Published As

Publication number Publication date
SE400102B (sv) 1978-03-13
NL7205754A (ro) 1972-11-01
ES402251A1 (es) 1975-03-01
GB1375239A (ro) 1974-11-27
ZA722781B (en) 1973-04-25
AU472365B2 (en) 1976-05-20
DE2219819B2 (de) 1976-09-16
OA04004A (fr) 1979-09-15
RO63058A (fr) 1978-01-15
FR2135860A5 (ro) 1972-12-22
PL88508B1 (ro) 1976-09-30
DE2219819A1 (de) 1972-12-28
JPS557514B1 (ro) 1980-02-26
BR7202626D0 (pt) 1974-12-24
CS178108B2 (ro) 1977-08-31
IT954794B (it) 1973-09-15
AU4171172A (en) 1973-11-08
BE782593A (fr) 1972-08-16
CA969531A (en) 1975-06-17

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