US2016667A - Portable earth boring machine - Google Patents

Portable earth boring machine Download PDF

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Publication number
US2016667A
US2016667A US693797A US69379733A US2016667A US 2016667 A US2016667 A US 2016667A US 693797 A US693797 A US 693797A US 69379733 A US69379733 A US 69379733A US 2016667 A US2016667 A US 2016667A
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frame
section
drill
drilling
housing
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US693797A
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John H Crowell
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John H Crowell
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    • 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
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/02Portable drilling rigs, truck-or skid-mounted, with their own drive
    • E21B7/027Drills for drilling shallow holes, e.g. for taking soil samples or for drilling postholes
    • E21B7/028Drills for drilling shallow holes, e.g. for taking soil samples or for drilling postholes the drilling apparatus being detachable from the vehicle, e.g. hand portable drills

Description

Od 8, 1935- J. H. cRowl-:LL

PORTABLE EARTH BORING MACHINE Filed oct. 16, 1955 2 Sheets-Sheet 1 J@ H @OWP/Z i Am w l 5. Z9 9^ MM 2 PORTABLE EARTH BORING MACHINE Filed Oct. 16, .1953 2 Sheets-Sheet 2 GMM/MM35.

Patented, oct. s, 1935 UNITI-:DV STATES PATENT OFFICEr` 3 Claims.

My invention relates to a portable machine for drilling holes in the earth. It has particular application to machines for drilling holes of comparatively shallow depth of from a few feet to a hundred feet or more.

My invention has as its object the provision of a portable drilling machine which may be moved and operated by one or more men.

I desire to provide a device which may be moved easily from place to place by the operatorswithout the necessity of any vehicle or special means of transportation, and which may be positioned and the drilling operation accomplished without the necessity of any additional equipment aside from the machine itself.

I desire particularly to provide a machine in which the operator or operators may raise or lower the device in drilling and may add additional lengths of drill stem from time to time without the necessity of any draw works or cumbersome equipment such as is usually necessary.

I further desire to provide a drilling device in which the drill stem may be easily lengthened as the drilling proceeds and which may be removed from the well by the operator without the necessity of any extra equipment whatever.

In the drawings herewith, Fig. 1 is a side view partly in elevation and partly in section showing one embodiment of my invention.

Fig. 2 is a central longitudinal section illustrating a coupling employed at the upper end of the Well.

Fig. 3 is a similar view showing the type of coupling employed to connect the sections togeth`er in the well.

Fig. 4 is a. transverse section on the plane 4--4 of Fig. 2.

Fig. 5 is a similar section on the plane 5-5 of Fig. 3.

Fig. 6 is a. top plan view of the assembled device;

and y Fig. 7 is a side elevation illustrating the manner inv which the device is supported and operated.

In the drawings, with particular reference to Fig. 1, it will be noted that the operating mechanism is housed within a housing I, which may be rectangular in shape or of any preferred form, which is provided with lateral supports 2. With reference particularly to Fig. 6, it will be noted that the supports 2 are connected with a rectangiilar shaped frame 3, which answers as a handle or supporting member whereby the operators may control the operation of the machine. It willbe noted in Fig. 1 that the lateral arms upon the frame are curved downwardly so as to form at their outer ends a transverse member which may contact with the ground when the frame is lowered by the operator.

Within the housing I, I contemplate the provision of a motor 4, which may be of any pre- 5 ferred form, and I contemplate the use of an internal combustion motor, which is supported Within the housing upon a transverse bracket 5. The upper end of the motor may project above the khousing as shown. 10

The drive shaft of the motor has thereon a gear 6, which is connected by intermediate gears 'I and 8 to the gear 9 mounted upon the shaft I0, supported in the housing for rotation. At one end of said shaft I0 is a beveled gear IIfwhich is 15 operatively connected with a beveled gear I2 upon a downwardly extending drive shaft I3, said shaft being rotatable in upper and lower bearings I4 and I5 in the housing. The lower end of the shaft I3 projects through the lower wall of the housing and 2g has thereon a chuck or coupling member I6.

The said coupling I6 is shown best vin Fig. 2. It has its lower end approximately cylindrical at I'I but has two laterally extending keyways or channels I6 to receive keys or ribs I9 on the drill 2;, stem coupling, as shown in Fig. 3.

Each lower section of the drill stem may be of any desired length and I contemplate sections of three or four feet in length. These sections are made up of hollow tubular members 20, the 3;) ends of which are threaded to engage within a coupling 2I having lateral keys I9 thereon as previously noted. It will be understood that when a new section is added above a section 20, which is connected with the chuck I6, the lower end of the section will be screwed in the upper end 2l of the next lower section, the upper end of the new section being engaged within the chuck which is elevated a sufcient distance to be engaged over the upper end of said new section. 40

The lowermost section of the drill stem or rod is engaged with a drill bit or auger 22. This bit may be of any preferred construction andmay be formed as is the ordinary post hole digger, but should preferably be of -sturdy construction. I have shown a bit having two lateral blades 23, the lower ends of which are curved and sharpened at 24, each blade being curved and interfltted as shown at 25. Thus, when a suicient amount of earth has been accumulated within the bit or auger, it may be raised to the surface and the cuttings removed and the drill again inserted to the bottom of the hole.

My device is of particularly convenient and effective form so that it may be operated and has the advantage that two operators can entirely conduct the drilling operation without the necessity of any further equipment. Thus, in the operation of drilling a hole, such as shown at 26 in the drawings, the operators will support the frame manually, in a. position with the chuck I6 tted over the drill stem. While the drill is being rotated by the mechanism disclosed, or any other desirable form of mechanism, the operators will exert suicient downward pressure upon the frame to move the bit downwardly into the hole. While it is necessary to proceed slowly in the drilling operation, the weight upon the drill will be controlled easily by the two operators either raising upwardly on the frame or pushing downwardly with the desired force so that the bit will advance as desired.

When the hole has advanced sufliciently to necessitate the addition of another section of drill stern, the device may be supported upon the ends of the frame while the drillers obtain a new section of pipe and place it in condition for coupling in with the lower section. The new section may be screwed upon the old section of coupling 2l below and then the frame may be raised up and moved over above the new section so as to couple the chuck over the same and then the drilling may proceed.

When it becomes necessary to remove the drill stem so as to empty the cuttings from the bit, the frame is raised so as to remove the chuck from the upper section 20 of the drill stem and the frame may be supported at one side of the hole. The operators may then raise the bit from the hole manually by pulling the drill stem up until a coupling is reached and the said coupling may be unscrewed and the drill stem removed one section or more at a time until the bit can be removed and emptied of its cuttings.

It will be seen that with this device shallow holes and holes also of some depth can be drilled without any additional equipment. The whole operation of the device is manually controlled,

the only mechanism necessary being that to rotate the drill stem, and that is of portable nature. I may provide a gas tank 21 in the frame if desired from which the fuel supply may be conducted to the engine.

What is claimed is:

1. A portable drilling machine comprising a frame, a housing supported on said frame, a downwardly extending drive shaft on said housing, means in said housing to rotate said shaft, a 10 chuck on said shaft including a. cylindrical sleeve having opposed keyways therein, a drill bit, a sectional drill rod connected therewith to rotate the same, and couplings between the sections of said rod having lateral ribs, said couplings being formed to t said chuck to engage said ribs in said keyways.

2. A portable drilling machine comprising a frame, laterally projecting handles on said frame adapted to engage the ground and support said frame when the machine is not drilling, a housing supported on said frame, a downwardly extending drive shaft on said housing, means in said housing to rotate said shaft, a drill rod, a coupling member thereon adapted to slidably intert with said chuck, and an earth boring member on said rod, said frame being supported by said rod with said handles spaced above the ground in drilling.

3. A manually supported drilling machine comprising a frame having laterally extending handles, curved downwardly to furnish a support when desired, and serving as means whereby said frame may be moved vertically and laterally as desired, a downwardly extending drive shaft on said frame, a motor on said frame, operative connections between said motor and said shaft, a chuck on said shaft, a sectional drill rod slidably connected to said chuck for rotation and a boring tool on said drill rod, said frame being raisable by said handle to allow insertion of drill rod sections.

JOHN H. CROW'EIL.

US693797A 1933-10-16 1933-10-16 Portable earth boring machine Expired - Lifetime US2016667A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576199A (en) * 1947-12-02 1951-11-27 Lewis D Vogel Combination post hole digger and earth remover
US2598565A (en) * 1948-08-05 1952-05-27 Silas P Lagant Posthole digger
US2696972A (en) * 1951-01-26 1954-12-14 Atlantic Refining Co Portable earth drill
US2746720A (en) * 1952-12-23 1956-05-22 Fred F Cannon Posthole digger
US2846192A (en) * 1955-12-06 1958-08-05 Elof J Ostling Portable ice auger
US3182732A (en) * 1962-07-23 1965-05-11 J T Earnest Horizontal earth boring machine
US3774556A (en) * 1971-07-02 1973-11-27 E Poll Process and apparatus for introducing liquids into soil
US3990523A (en) * 1975-03-17 1976-11-09 Schramm Buford J Piston engine powered rotary drive with mount and fuel container
FR2841932A1 (en) * 2002-07-02 2004-01-09 Geophysique Cie Gle Portable drilling unit comprises shaft rotational driving head held by structure and energy production unit supplying energy through flexible connection to driving head

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2576199A (en) * 1947-12-02 1951-11-27 Lewis D Vogel Combination post hole digger and earth remover
US2598565A (en) * 1948-08-05 1952-05-27 Silas P Lagant Posthole digger
US2696972A (en) * 1951-01-26 1954-12-14 Atlantic Refining Co Portable earth drill
US2746720A (en) * 1952-12-23 1956-05-22 Fred F Cannon Posthole digger
US2846192A (en) * 1955-12-06 1958-08-05 Elof J Ostling Portable ice auger
US3182732A (en) * 1962-07-23 1965-05-11 J T Earnest Horizontal earth boring machine
US3774556A (en) * 1971-07-02 1973-11-27 E Poll Process and apparatus for introducing liquids into soil
US3990523A (en) * 1975-03-17 1976-11-09 Schramm Buford J Piston engine powered rotary drive with mount and fuel container
FR2841932A1 (en) * 2002-07-02 2004-01-09 Geophysique Cie Gle Portable drilling unit comprises shaft rotational driving head held by structure and energy production unit supplying energy through flexible connection to driving head

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