US3387670A - Apparatus for drilling and construction - Google Patents

Apparatus for drilling and construction Download PDF

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Publication number
US3387670A
US3387670A US508001A US50800165A US3387670A US 3387670 A US3387670 A US 3387670A US 508001 A US508001 A US 508001A US 50800165 A US50800165 A US 50800165A US 3387670 A US3387670 A US 3387670A
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mobile unit
motor
cylinder
abutment
workpiece
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US508001A
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English (en)
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Louis D Menard
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LOUIS D MENARD
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Louis D. Menard
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D11/00—Methods or apparatus specially adapted for both placing and removing sheet pile bulkheads, piles, or mould-pipes
    • 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
    • E21B7/12—Underwater drilling
    • E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors

Definitions

  • This invention relates to an apparatus for driving in, extracting and rotating a workpiece beneath a surface which comprises in cooperation: a supporting member; means to mount a workpiece on said supporting member; a mobile unit comprising a motor, and adjustable means for oscillating said mobile unit including a plurality of secondary shafts carrying eccentric wheels driven in rotation by said motor, movable means to mount said mobile unit on said supporting member; abutment means for contacting said mobile unit as said unit oscillates; a main shaft driven from said motor; and means connecting said main shaft to the workpiece for rotating the workpiece.
  • the movements to which drilling and construction apparatus is subjected may, according to prevailing circumstances, be movements directed to follow the axis of the workpiece, when the workpiece is driven in and removed. Furthermore, rotating movements about the axis of the workpiece may also be accomplished.
  • Another object of this invention is to provide an improved apparatus for underground drilling and construction that operates a workpiece either in up and down strokes or in a rotatable direction, or a combination of such movements.
  • a further object of this invention is to provide an improved apparatus for underground drilling and construction that operates a workpiece either in up and down strokes, or in a rotatable direction, or a combination of such movements, whereby the direction of movement of said workpiece may be effected by simple adjustments of said apparatus.
  • Yet another object of this invention is to provide an improved apparatus for underground drilling and construction that operates a workpiece either in up and down strokes, or in a rotatable direction, or a combination of such movements, whereby the direction of movement of said workpiece may be effected by simple adjustments of said apparatus at a point removed from the work area.
  • Another object of this invention is to provide an improved apparatus for under-water drilling and construction that operates a workpiece either in up and down strokes, or in a rotatable direction, or a combination of such movements, whereby the direction of movement of said workpiece may be eifected by simple adjustments of said apparatus at a point removed from the work surface.
  • Yet another object of this invention is to provide an apparatus for driving in, extracting and rotating a workpiece beneath a surface, which comprises in cooperation: a supporting member; means to mount a workpiece on the supporting member; a mobile unit comprising a motor and adjustable means for oscillating said mobile unit in relation to said supporting member; means to mount said mobile unit on said supporting member; and abutment means for contacting said mobile unit as said unit oscillates.
  • FIGS. 1 to 8 are diagrammatic drawings illustrating the operation of the apparatus of the invention.
  • FIG. 9 shows a front view of an apparatus according to this invention, partly in section
  • FIG. 10 shows another view of the apparatus of FIG. 9 including a front sectional view of the motor through a plane cutting the main shaft thereof;
  • FIG. 11 shows a side View in section, of an embodiment of the invention characterized by a system capable of being controlled from a distance;
  • FIG. 12 is a perspective view of the embodiment shown in FIG. 11;
  • FIG. 13 is a side view, part in section, of an enclosure for the apparatus of FIG. 12, when the apparatus is used under water;
  • FIG. 14 is a schematic illustration showing an assembly of eccentric wheels for controlling the apparatus by reversing the direction of movement of the motor.
  • the apparatus comprises a supporting element or bracket 1, a cylinder 6, a Workpiece (e.g., a drill bit) 2, a motor '4, mobile unit 3 comprising platform 3a. and piston head 3 b, and springs 5a, 5a, 5b and 5b.
  • the elements 5a, 5b, 5a and 5b are secured at one end to the supporting bracket 1 and abut with their opposite ends against an appropriate part of platform 3a of the mobile unit 3.
  • Mobile unit 3 is oscillated up and down by means of motor 4. The method of oscillation will be described hereinafter.
  • the oscillatory movement of mobile unit 3 is controlled by elements 5a, 5b, 5a and 5b and by abutment elements interposed in the path of mobile unit 3.
  • the movement of mobile unit 3 as controlled by elements 5a, 5b, 5a and 5b, and in the absence of any obstacles will be indicated hereinafter as the theoretical drive of the mobile unit.
  • the theoretical drive consists of a half-drive upwardly and a half-drive downwardly.
  • the up and down movement of the mobile unit 3 may be arrested by abutment elements interposed in the path of the mobile unit. These abutment elements comprise, for example, the opposite surfaces 6a and 6b of cylinder 6.
  • Cylinder 6 is secured to support bracket /1, but it is movable in relation to same.
  • cylinder 6 may be moved in an up and down relationship with respect to support bracket 1, by providing threads around cylinder 6 and corresponding threads within a hole bored in the lower partition of support bracket 1, thereby enabling cylinder 6 to be screwed in and out of support bracket 1 and adjusted at any predetermined position.
  • the mobile unit 3, including element 3b is at a rest position when the forces exerted by elements 5a and 5b intended to cooperate with element 3b, which acts as a piston.
  • element 3b which acts as a piston.
  • the distance between abutment surfaces 6a and 6b is of sufficient length so that when element 3b is at its rest position the distance between element 312 and abutment surface 6b is less than the theoretical half-drive of mobile unit 3 and also the distance between element 317 and abutment surface 6a is greater than the theoretical half-drive of mobile unit 3.
  • the distance between abutment surfaces 6a and 6b is of sufficient length so that when element 312 is at its rest position, the distance between element 31) and abutment surface 6a is less than the theoretical half-drive of mobile unit 3 and the distance between element 3b and abutment surface 615 is greater than the theoretical half-drive of mobile unit 3.
  • the apparatus may be used to either move the workpiece 2 in a downward direction or to remove the workpiece from the work area.
  • the choice of movement of the workpiece may be regulated simply by shifting the cylinder 6 in relation to the support bracket 1 to bring one of the abutment surfaces 6a or 611 to a sufiicient proximity to element 312, when element 3b is in a rest position, and the other abutment surface to a sufiicient distance from element 3b.
  • the device When the element 3b, in rest position, is close to the lower surface 6b of the cylinder 6, the device is adjusted to drive the drilling element 2 down; when piston 31) is close to the upper surface 6a, the device is adjusted to pull the drilling element up.
  • FIGS. 1 to 4 demonstrate the function of the apparatus adjusted for driving down workpiece 2.
  • the element b in rest position, is close to the front of the abutment surface 6b (FIG. 1).
  • the motor 4 When the motor 4 is in operation, the mobile unit 3 is alternately moved upwardly and downwardly.
  • the unit 3 When the unit 3 is drawn upwardly, it attains a maximal high position (FIG. 2), corresponding with a certain compression of the upper springs 5a and 5b, Without element 3b coming in contact with the upper abutment surface 6a.
  • the unit is thereafter drawn toward the bottom by the double effect of motor 4 and by the relaxation of the upper springs 5a and 5b, and the element 3b will strike the lower abutment surface 615, which is interposed in the path of its theoretical half-drive.
  • the workpiece With each complete cycle of the mobile unit 3, the workpiece receives an impulse directed downwardly and is finally driven into the ground at a speed which depends on, among other conditions, the compactness and nature of the ground upon which it acts and on the frequency of the oscillations of the mobile unit.
  • FIGS. 5 to 8 relate to the function of the apparatus adjusted for removal of the workpiece.
  • FIG. 5 illustrates how the cylinder 6, which contains the abutment elements 6a and 6b, is shifted downwardly to bring the upper abutment surface 6a into proximity with element 3b, when element 3b is in rest position.
  • FIG. 6 shows the mobile unit 3, drawn downwardly by motor 4, at its maximal low position.
  • element 3 is unable to hit the abutment surface 6b due to the adjustment of cylinder 6, the distance between 6a and 6b and the compressability of springs 5a and 5/).
  • FIG. 7 shows the movement of mobile unit 3 towards the top of support bracket 1.
  • Element 3b hits the upper surface 6a under the double effect of .drive motor 4 and the release of tension in springs 5a and 511'.
  • FIGS. 3 and 7 the element 3b of the mobile unit 3 is represented as being in contact with the surfaces of abutment 6b (FIG. 3) or 6a (FIG. 7), but it should be understood that in practice such a contact is only momentary during each cycle.
  • the support bracket is indicated generally as 10, and comprises a flange 100, on which are mounted a plurality of columns. Only one column, 1% is shown. These columns are secured by bolts 11, or any other suitable means.
  • column 10b On column 10b a plurality of Bclleville washers 5t and 50 are attached, which form two sets (indicated by the broken lines) separated by an element 396 of the mobile unit indicated generally as 30.
  • the element 300 is cylindrical and slidable on column 1011.
  • Element 3G0 is connected with a platform 30a of mobile unit 36', upon which a motor 4-0 is disposed.
  • the washers act as elastic spring members.
  • Cylinder 60 contains the abutment surface. Cylinder 6%) can move within flange 10a by means of threads (not shown) in a bore in flange 10a.
  • Element 30b corresponds to element 3b in FIGS. 1 to 8 and is equipped with an upper shoulder 31 and a lower annular projection 32.
  • Element 361) which can slide into cylinder 60, is joined to another element 36d of mobile unit 30.
  • Element 36a is itself secured to platform 39a.
  • the drilling device which is not illustrated in FIG. 9, is normally attached to the lower end of cylinder 60 by means of any suitable coupling, comprising for example a ring 63 and a clamp 64.
  • the drilling device is rotated by the main shaft of motor 40.
  • the apparatus shown in FIG. 9, is operated in the same manner as in FIGS. 1 to 8.
  • the element 30b In rest position, is practically in contact with the lower abutment 62 by means of annular projection 32.
  • the distance separating the upper abutment 61 from the upper shoulder 31 of the element 301) is great enough so that upper shoulder 31 rising under the eifect of the drive of motor 40 could not strike with impact the abutment 61.
  • the regulation of the apparatus of FIG. 9 to effect the extraction of the workpiece can be accomplished manually by unscrewing cylinder 60, to make it descend in relationship to the platform 10a of the support means 10. This effects a downward shift by all of the units which are secured to cylinder 60. This descent is arrested when the upper abutment element 61 is sufiiciently close or in gintaclt with shoulder 31 of piston 3011 as illustrated in FIG. 10 shows another view of the apparatus of FIG. 9, illustrating the details of the motor 40 and the manner in which the oscillatory movement of unit 30 is effected.
  • the motor 40 comprises a main shaft 40a and a plurality of secondary shafts 40b, 4%, 40b" and 4011".
  • the main shaft drives, by means of suitable intermediary gears, all of the secondary shafts.
  • FIG. 10 shows the axis of main shaft 40a in vertical position and the axis of a secondary shaft 4912.
  • secondary shaft 40b is disposed perpendicular to main shaft 40a.
  • the main shaft 40a drives shaft 4% through a gear system, generally denoted as 46c and which may comprise, for example, two conical sprocket wheels, one engaged with the other and secured on the shafts 40a and 4911, respectively.
  • the secondary shaft 4% is supported in a gear case 47, which is closed by means of a removable plate 48.
  • Two unbalancing or eccentric wheels 41 and 42. may be leveled on the secondary shaft hlb. These eccentric wheels may be placed on the same side (i.e., parallel) as shown in FIG. 10, or they may be diametrically opposed to each other in relation to the axis of shaft 401). That is, they may be placed 180 from each other and thereby provide a balanced system.
  • the means of leveling the eccentric wheels may comprise, as in the case illustrated in FIG. 10, shanks 43 disposed slidably in the two eccentric wheels and held longitudinally by means of a small ring 44 secured by screws 45 on a sleeve 46 firmly connected with shaft 40b.
  • the assembly of the eccentric Wheels in another position is easily accomplished. This can be effected by removing gear case 47, disassembling the blockage systems of the shanks 43 and by shifting these shanks towards the outside at a length sufficient to disconnect the eccentric wheel 42 from wheel 41.
  • the wheel 42 being rendered free may be placed in a position opposite to its original position and reconnected in this new position, diametrically opposite wheel 41 by means of the shanks 43 and ring 44 on the opposite side of shaft 40b.
  • the apparatus shown in FIG. 10 consequently, permits by simple adjustment, a means to drive the drilling device up and down and/ or to rotate it.
  • FIG. 10 shows in its upper part the axis of another secondary shaft 405' of the motor 40, shaft 40b being disposed opposite shaft 40b.
  • a third secondary shaft 40b perpendicular to the common axis of shafts 40b and 40b, is also shown in FIG. 10.
  • a fourth, secondary shaft 4012" (not shown in FIG. 10), is aligned with shaft 40b" and is symmetrical to shaft 401)" in relation to the main shaft 40a, by which it is likewise driven.
  • shaft 4017 All the elements described in relation to shaft 4017 are applicable also to shafts 40b, 40b" and 4015" and are in part represented in the different views of FIG. 10 by each relating, respectively, to shafts 40b and 40b.
  • the four secondary shafts are orientated at 90 one from the other and each of them is provided With two unbalanced wheels which form accordingly a balanced systern for the motor. That is, all of the superfluous forces which tend to effect undesired shifting of the motor, for
  • a rotation of the whole unit of same about the axis of the main shaft are obviated by providing the four secondary shafts at 90 from each other.
  • main shaft 40a of the motor 40 may be driven in rotation from a source which may be at a distance from the motor 40. This may be accomplished, for example, by a hydraulic fluid.
  • the hydraulic drive system for activating the shaft 40a being connected to the motor 40 by means of a head member 402 (FIG. 9) emerging through the opening 400. of the apparatus illustrated in FIG. 10.
  • This variation of the apparatus which is shown in perspective in FIG. 12, in a vertical drilling position, comprises a supporting member, on which is attached a drilldevice and in which, a mobile unit is equipped with a drive motor.
  • the mobile unit and motor are capable of oscillating in an up and down movement.
  • the mobile unit is mounted on the supporting means, and comprises a horizontal platform 300a mounted in sliding arrangement on the shafts of the supporting columns between the two sets of Belleville rings. In its center, platform 300a is traversed by a vertical cylinder 72, which is fixed thereto. Cylinder 72 has thereon a motor, to which it is attached.
  • the motor is of the type previously described in reference to FIG. 10.
  • FIG. 12 shows three of four gear-cases, indicated as 470, 470' and 470" corresponding to four secondary shafts, and a hydraulic fluid supply member 400e for the motor.
  • FIG. 12 refers to an element mounted in sliding arrangement in the cylinders 71 and 72, to which the drilling device is attached by appropriate means.
  • Member 70 and the cylinders 71 and 72 engaged in cooperation with member 70 are essential elements of this embodiment, as they form the means to regulate the apparatus. These elements and their cooperational function are described hereinafter with reference to FIG. 11, which is a sectional view along the vertical axis of the apparatus in FIG. 12. For clarification, only those parts of the apparatus are illustrated in FIG. 11 which relate to the control elements.
  • control elements comprise a cylindrical member 70, composed of lower part 700 for the attachment of a drilling device, a center part representing a piston 70b which can slide into the cylinder 71, and an upper part forming a piston 70c mounted in sliding arrangement in the cylinder 72.
  • the center and upper parts of the said member 70 are secured, one to the other, by adequate means, which, for example, may be a pin 75.
  • the adjustment of element 70 serves to bring the piston 70c in proximity, either with the lower surface 72a of cylinder 72, or with the upper surface 74a of a member 74.
  • Member 74 forms the head of cylinder 72.
  • This adjustment is accomplished by effecting the shifting of the piston70b in the cylinder 71 to bring this piston in high or low position in the cylinder.
  • Such a shifting of the piston 70b may be controlled by the pressure of a fluid introduced in the cylinder 71 through one or the other of the two openings for admission, denoted as A 7 and B, and acting upon one or the other of the horizontal surfaces 70b and 70b of the piston 70b.
  • the upper and lower surfaces 700' and 700" of the piston 70c correspond to abutment 62 and abutment 61, respectively, of the apparatus shown in FIG. 9.
  • the surfaces 72a and 74a correspond to the shoulder 31 and the element 32 of the apparatus shown in FIG. 9.
  • the drilling device of the invention is controlled starting from a control unit which includes means to hoist the apparatus and means to control the function of the driving elements of the apparatus.
  • a control unit which includes means to hoist the apparatus and means to control the function of the driving elements of the apparatus.
  • the control unit also includes control elements acting on these regulating means.
  • the elements for hoisting the apparatus comprise, for example, a hoisting gear or a crane for lifting, a cable to which is attached a suspension member supporting the apparatus of the invention.
  • FIG. 12 shows one such means for hoisting the apparatus.
  • the means includes a base 90 having in its center a cylinder 92, and three arms 91 in the form of an L projecting from cylinder 92.
  • the arms 91 are attached at their vertical sections to the ends of three chains 98.
  • the other ends of chains 98 are held together by a common ring 99, which at the time of operation of the apparatus is attached to the cable of a hoisting crane or any other hoisting apparatus.
  • This type of suspension is simple and is particularly convenient for under-water drilling.
  • the invention includes, according to individual needs, appropriate hoisting means known in the art of drilling. This includes, for example, the use of a guide rail.
  • the means to control the function of the driving elements of the apparatus and its control means include, for example, one or several pumps capable of conveying the fluids under pressure to the apparatus by means of suitable pipes.
  • This may comprise, for example, tubes 81 and 82 communicating with the openings B and A, respectively, of the cylinder 71 (FIGS. 12); and tubes 83 and 84 establishing a circuit of circulation for the hydraulic control fluid for the functioning of the motor of the apparatus.
  • Tube 85 is an escape tube for the protection of the motor.
  • the invention includes the disposition of the drilling apparatus in the interior of a water-proof enclosure, thereby isolating the apparatus from the surrounding water when it is immersed.
  • FIG. 13 illustrates such an enclosure suitable for the apparatus of FIG. 12.
  • This enclosure comprises an encasement 93 mounted in Water-tight fashion on the base 90.
  • the encasement 93 is provided with adequate openings 93a, 93b and 930 for the passage of the control tubes of the apparatus.
  • the lower element 71 and the upper element fililtte are represented in FIG. 13 to indicate the position of the drilling apparatus in the enclosure.
  • the number, the shape and the sites of the openings are obviously a matter of choice. It is possible to limit the number, for example, by only having one upper opening 93c, and by having all of the control pipes of the apparatus pass through this opening grouped in a bundle. This is the reason that the openings 93c is shown in a relatively large section in FIG. 13.
  • the encasement 93 may be formed by a distendable material, such as indie-rubber and can be permanently inflated, for example, by blowing air into the encasement by means of an appropriate pipe (not illustrated).
  • the invention includes the disposition of an elastic member on one side and/or the other side of the cylinder 92.
  • These elastic emplacements, indicated at 94 and 94' in FIG. 13, engage for example, a spring such as the Belleville ring are placed between cylinder 92 and members 71 and 80.
  • the apparatus of the present invention may be modified with regard to the various features without deviating from the scope of the invention.
  • an element performing multiple functions may be replaced by multiple elements, and multiple separate elements may be replaced by one single element.
  • the abutment means for example, may be supported by different members; and the control of the displacement of an abutment means may be realized independent from that of the shifting of another abutment.
  • the es sential factor being that this unit could strike the suppoiting member, either directly or indirectly, by effecting a favorable impulse at the driving-in or the extraction of the drilling device.
  • the transferring movement of the mobile unit although preferably realized by following a parallel axis to the longitudinal axis of the drilling device, may, nevertheless, also be realized following another axis.
  • control of the drive means and/or the control of the regulation means may be of an electric or an electromagnetic type, as these types of control also permit control from a distance.
  • drilling device illustrated in FIG. 12, may be used with any other drilling device and permits any position of the drill.
  • the invention has heretofore described a method of changing from an oscillating up and down stroke whereby the drill is either driven in or extracted and/or rotated and a position where there is no oscillating up and down movement and the drill may only rotate. This was explained by the manual change of position of the unbalancing wheels. It should be understood that the change of the unbalancing wheels may also be controlled from a distance. This may be accomplished, for example, by reversing the direction of the motor.
  • each pair of unbalancing wheels can comprise an unbalancing wheel in fixed position, in regard to the shaft on which it is mounted, and a mobile unbalancing wheel.
  • the centrifugal force which the mobile unbalancing wheel develops is either added to or subtracted from the centrifugal force created by the stationary unbalancing wheel.
  • the movement of the mobile unbalancing wheel from one position to another being controlled by a reversal of direction of the drive of the motor.
  • unbalancing wheels may in themselves be of any type and that the invention is not restricted to one particular type of unbalancing Wheel nor to one particular type of movable carrier for such wheels.
  • the centrifugal force resulting from a pair of eccentric Wheels obviously depends on their masses and on their relative positions.
  • the invention foresees selecting their masses and/ or their relative positions, in such a way that for a direction of rotation of the shaft, the resultant centrifugal force may be nil or may be maximum.
  • the drive for rotating the drilling device 80 by means of the motor of the apparatus may be achieved by starting from a shaft 40a (FIG. 11) which may be the lower end of the shaft 40a or an independent shaft driven in any suitable manner by the motor.
  • the movement of the shaft 40a may be transmitted to the drilling device by a suitable mechanical connection permanently established, but arranged in a fashion, that the transmission of the rotation movement may be effective only for one direction of rotation of the shaft 40a. It is possible to utilize any kind of coupling gear already known to obtain this effect. This may be accomplished, for example, by a transmission having one ratchet-wheel engaged only in one direction of rotation.
  • the system of transmission may comprise a shaft starting in the vicinity of the shaft 40a and successively traversing the member 74, the interior space of the cylinder 72 and the piston 70, and then joining a mounting means to which the drilling device is fixedly attached.
  • the abutment member, which forms the convex surface 740 may be replaced by an annular abutment element or by a plurality of abutment elements distributed over the periphery of the surface.
  • the apparatus of the invention is extremely advantageous for under-water drilling, since the device may be controlled at a distance remote from the work area, as for example, a ship or platform. This represents a considerable reduction in cost as prior known techniques have required the presence of a workman on the bottom of the water.
  • Apparatus for driving in, extracting and rotating a workpiece beneath a surface which comprises in cooperation: a supporting member; means to mount a workpiece on said supporting member; a mobile unit comprising a motor and adjustable means for oscillating said mobile unit in relation to said supporting member, said adjustable means for oscillating including a plurality of secondary shafts driven in rotation by said motor, each secondary shaft carrying a pair of eccentric wheels, one of the two eccentric wheels of a pair being shiftable about its corresponding secondary shaft, means to regulate the movement of the shiftable eccentric wheel by a change in the direction of rotation of its corresponding secondary shaft; movable means to mount said mobile unit on said supporting member including elastic means which are alternatively compressed and decompressed as said mobile unit oscillates and guide means which define an axis of oscillation for said mobile unit; and abutment means for contacting said mobile unit as said unit oscillates.
  • each of said secondary shafts is connected to a main shaft driven from said motor so that the direction of rotation of each of said secondary shafts is controlled by the direction of rotation of said main shaft.
  • said adjustable means for oscillating said mobile unit includes two members serving to arrest said movably stationed eccentric wheel.
  • abutment means for contacting said mobile unit are comprised of an abutment means on said mobile unit including a housing having two abutments and an abutment means on said supporting member including a part cooperating with said housing having abutments on each face.
  • abutment means on said supporting member including a part cooperating with said housing is adjustable with reference to said housing whereby only one of the two abutments on said housing contacts only one of the two abutments on said part in such a manner that the oscillations of said mobile unit effect impacts on the two abutments in contact without effecting impacts on the two abutments not in contact.
  • Apparatus for driving in, extracting and rotating a workpiece beneath a surface which comprises in cooperation: a supporting member; means to mount a workpiece on the supporting member; a mobile unit comprising a motor and adjustable means for oscillating said mobile unit in relation to said supporting member, said adjustable means for oscillating said mobile unit including a plurality of secondary shafts driven in rotation by said motor, each secondary shaft carrying a pair of eccentric wheels, at least one of the two eccentric wheels of a pair being shiftable so that the centrifugal forces developed as the secondary shafts rotate may be re lated by shifting at least one of said eccentric wheels; means to mount said mobile unit on said supporting member; abutment means for contacting said mobile unit as said unit cscillates; and a main shaft driven from said motor, and means connecting said main shaft to the workpiece for rotating the workpiece in a direction independent of the direction of rotation of said main shaft.
  • Apparatus as in claim 15, including a water-tight enclosure, said enclosure including openings for the passage of conduits carrying a hydraulic fluid.
  • Apparatus as in claim 16 wherein said enclosure comprises a distendable wall and means for the admission of a fluid to distend said wall.

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  • Engineering & Computer Science (AREA)
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  • Mining & Mineral Resources (AREA)
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  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
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US508001A 1964-11-12 1965-11-12 Apparatus for drilling and construction Expired - Lifetime US3387670A (en)

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FR994616A FR1422303A (fr) 1964-11-12 1964-11-12 Dispositif perfectionné de forage, notamment pour forages sous-marins

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783954A (en) * 1972-01-24 1974-01-08 A Bodine Sonic resonant driving of a column member utilizing compliant resonator element
US3920083A (en) * 1974-05-03 1975-11-18 Toyoda Kikai Kogyo Kk Pile driving and drawing apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1102652A (en) * 1912-08-14 1914-07-07 Alexander Gibb Driving and extracting piles, posts, and the like.
US1667546A (en) * 1925-07-09 1928-04-24 Goldschmidt Rudolf Mechanical hammer
US1958041A (en) * 1932-07-21 1934-05-08 Ingersoll Rand Co Submarine drill unit
US3023820A (en) * 1956-05-16 1962-03-06 Desvaux Jacques Bore-hole drilling including tubing of the drilled hole
US3097537A (en) * 1963-07-16 Vibration-inducing apparatus
US3215209A (en) * 1960-12-09 1965-11-02 Desvaux Jacques Device for acting on piles, tubing, sheet-piling and the like
US3291224A (en) * 1963-05-10 1966-12-13 Stutz Max Arnold Percussive hammers and the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097537A (en) * 1963-07-16 Vibration-inducing apparatus
US1102652A (en) * 1912-08-14 1914-07-07 Alexander Gibb Driving and extracting piles, posts, and the like.
US1667546A (en) * 1925-07-09 1928-04-24 Goldschmidt Rudolf Mechanical hammer
US1958041A (en) * 1932-07-21 1934-05-08 Ingersoll Rand Co Submarine drill unit
US3023820A (en) * 1956-05-16 1962-03-06 Desvaux Jacques Bore-hole drilling including tubing of the drilled hole
US3215209A (en) * 1960-12-09 1965-11-02 Desvaux Jacques Device for acting on piles, tubing, sheet-piling and the like
US3291224A (en) * 1963-05-10 1966-12-13 Stutz Max Arnold Percussive hammers and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783954A (en) * 1972-01-24 1974-01-08 A Bodine Sonic resonant driving of a column member utilizing compliant resonator element
US3920083A (en) * 1974-05-03 1975-11-18 Toyoda Kikai Kogyo Kk Pile driving and drawing apparatus

Also Published As

Publication number Publication date
FR1422303A (fr) 1965-12-24

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