US1775578A - Well-drilling machine - Google Patents

Description

Sept. 9, 1930. V J. H. WlLT 1,775,578

WELL DRILLING MACHINE Filed Aug. 8. 198 4 Sheets-Sheet 1 ATTOR NEY Sept. 9, 1930. J. H. WILT WELL DRILLING MACHINE Filed Aug. 8, 192a 4 Sheets-Sheet 2 Sept. 9, 1930. J. H. w1| 'r WELL DRILLING MACHINE Filed Aug. 8, 1928 4 Shuts-Sheet 3 ATTORNEY Sept. 9, 1930. J. H. WlLT WELL DRILLING MACHINE 4 Sheet s-Sheet 4 (ZZZ TVZ'Zt, .NVENTQR ATTORNEY Patentedv Sept; 9, 1930 UNITED STATES PATENT OFFICE JACOB H. WILT, F MEDINA, OHIO WELL-MILLING mourns Application filed August 8, 1928. Serial No. 298,286.

ble; which can be quickly driven to the lace of operation, easily and quickly erecte for operation and speedy in its drilling action so that the same may be profitably operated.

The invention will be fully and comprehensively understood from a consideration of the following detaileddescription when read inconnection with the accompanying drawings which form part of the application, with the understanding, however, that the improvement is capable of extended application andis not confined to the exact showing of the drawings nor to the precise construction described and, therefore, such 2 changes and modifications may be made therefrom as do not affect the spirit of the invention nor exceed the scope thereof as expressed in the'appended claims.

In the drawings:

Figure 1 is a side elevation showing my improvement set up for operation.

Figure 2 is a similar view showing the device collapsed and folded'for transportation. Figure 3 is a detail enlarged sectional view approximately on the line 3-3 of Figure 1.

Figure 4 is an end view'ofthe device in the position described by Figure 1.

Figure 5 is a detail elevation to illustrate the manner in which the sand line drum is mounted and movable into or out of engagee ment with the friction wheel.

'Figure 6 is a view substantially similar to Figure 5 but illustrating the manner in which the wire line drum is mounted to be brought into or out of engagement with the friction wheel.

Figure 7 is a perspective view of the brake means on one end of the wire or tool line drum.

Figure 8 is a detail perspective view to illustrate the latch carried by the lower mast section and engage'able withthe rounds of the upper mast sectionsfor adjustably connecting the mast sections. 1

provement. The bed is really in the nature Figure 9 is a detail sectional view showing the manner in which the latch engages under a round of the upper mast section.

My improved drilling apparatus is designed to be mounted on the body of a motortruck, as disclosed by the drawings. The truck body is broadly indicated by the numeral 1. On the truck body, at the rear of the drivers seat I secure the bed 2 of the imof a metal frame and has its sides, at its ends provided with upstanding posts 33 and 4-4, the said posts being braced by angle braces 5-5 and longitudinal braces 66. The braced posts 3 have their upper ends connected by a transverse member or head 8. The braced posts 4 have supported and fixed on their upper ends a shaft 7. The shaft 7 is engaged by bearings 9 on the sides 10 of the lower mast section. The sides or legs of the lower mast section have their lower or outer ends provided with couplings 11 in which are screwed the ends of a connecting elementior pipe 12. The couplings also preferably are formed 'with heads 13, which afiord wide bearing surfaces when the lower mast section is arranged. inground contacting position. The sides or legs of the lower mast section are spaced away from each other a distance greater than the width of the truck body but have their upper por tions gradually inclined toward each other, as at 14, and from thence extended in parallelism, as at 15. The parts 15 of the legs are connected together by spaced inner and outer brace plates 1616 and 17 17, respectively and these brace plates, with the confronting faces'of the portions 15 of the lower mast legs provide guides for the legs 18 of the outer or upper mast section.

The outer mastsection is, of course, slidable in the lower mast section and the outer mast section is provided with spaced rounds 19-, respectively. Attached to the lower or inner round 19 of the outer mast section there is a sheave wheel 20, and fixed to the next lower round 19 of the outer mast section there is a cable 21 that is trained around a sheave wheel 22 supported on the inner or lower brace plate 16 of the lower mast section, this by the said plate 16, and this cable may be trained around the drums for either the tool line or the sand line or around a winch 24 which is fixed on one end of the power imparting shaft 25, which will later be described in detail.

What I have termed the lower mast section has its legs provided with truss braces 26,

as clearly disclosed by the drawings and the outer or swingable mast section has its legs connected at its outer end by a tubular member 27 on which there are mounted for rotation spaced grooved wheels 28 and 29, respectively. The wheels are held spaced by any desired or preferred means, and the wheel 28 is designed to have trained thereover the sand line 30 while the wheel 29 has trained thereover the wire tool line 31.

Fixed on the outer upper brace plate 17 i of the inner or lower mast section there are upstanding plates 32 that have eye ends in which there is either fixed'or j ournaled a rod or shaft 33. On the rod or shaft 33 there are revolubly mounted a pair of stop arms 34. These arms are connected by a rod 35, and to this rod there is secured a light line or wire 36. It'is to be noted that the pivot rod 33 passes through the stop arms 34'beyond the center of the said arms, so that the arms are thus weighted. By operating the cable 21 the slidable or outer mast section is elevated or drawn outwardly from the inner mast section and by permitting the stop arms to swing upward-of the rounds 19 of the outer mast section and, of course, both of the transverse outer braces 17 of the inner mast section, the outer mast section is sustained at desired elevations with respect to the inner mast section.

Initially, or when the device is not required for use or is being transportedthe slidable mast section is moved inwardly through the swingable mast section and both of the mast sections rest on the shaft 7 and the head 8 on the frames of the bed 2. When it is desired to bring the device to operative position I attach a removable sheave block 37 to the connecting element 12 of the lower or swingable mast section and train therethrough a cable 38 which has one of its ends fixed to the bed '2 and its other end wound around either of the drums or the winch 24. A. pull upon this cable will swin both of the mast sections on the shaft 7, bringin the mast to a vertical.

slidable mast section and suitable points on the ground. The mast may be set up and se curely supported in an easy and expeditious manner and as previously stated, the swingable mast section rests directly on the ground surface or ratherthe elements 13 contact with such surface. The improvement, of course, includes a power plant which for the sake of economy I make use of the power plant employed for driving a small and well known type of automobile. The drive shaft of this power plant is indicated by the numeral 41. The shaft 41 has freely journaled on one end thereof a worm 42 that is in mesh with a worm wheel 43. The worm 42 has a clutch surface 44 on one end thereof and the drive shaft 41 carries a key that is received in a key-way in a slidable clutch element 45. The clutch element 45 is provided with the usual groove or depression to receive the forked end of a clutch slide or operating member therein. Of course, all of the parts just described are suitably enclosed and as a matter-of-fact, run from a bath of oil and the clutch slide yoke or head is connected to an arm'or rod 46 that passes through an opening in the housing 47 for the shaft, clutch elements and wheels. The rod 46 has its outer end con nected to an arm which in turn is connected with a link 48, and this link has a connection '49 with a transversely arranged shaft 50 which has its ends journaled in suitable bearings-and one of its ends fornied with an up standing portion providing aghandle 51.

By swinging the handle 51 it will be seen that the clutch 45 may be moved into or out of engagement with the clutch element 49 and also by reference to the drawings it will be seen that the shaft 25 is fixed to the worm wheel 43. The clutch element 45 is brought out ofengagement with the clutch element 44 when the motor is running and it is found not desirable to have the shaft 25 rotated or when the planetary gears in the power plant are to be actuated to cause the shaft 25 to turn at hi 'h or low speeds or in a reverse earing being 9.6-

direction, the c iange speed p tuated by levers 52, res .tively arranged in rear of the bed-2 and, 0 course, connected by rods 53, respectively, to swingable elements that in turn are connected to the v pedals which operate the gears.

On one end of the shaft 25 there is fixed the winch 24 and directly inward of the winch the said shaft 25 has fixed thereon a friction wheel 54.

The second end of the shaft 25 has loosely arranged thereon a crank 55. The hubportion of the crank which is received on the shaft 25 carries a clutch 56. Mounted for movement on splines on the shaft 25 there is a slidable clutch element 57. This element is provided with the usual annular groove that is engaged by the fork 58 and which fork is connected to an operatinglever 59 at the rear of the bed.

The friction wheel 54 is centrally formed with a rim enlargement that is designed to be received in a groove 60 or what may be termed a female friction wheel 61 on one end of the drum 62 for the wire tool line. The second end of the drum 62 carries a brake Wheel 63 over which is trained a brake band 64. One of the ends of the brake band is connected directly to a shaft 65 and the other end of the brake band is connected to spaced arms 66 that are fixed on the shaft 65. a The shaft for the drum and brake wheel is indi cated by the numeral 67 and is, of course, journaled in suitable bearings. One end of the shaft 67 is mounted in an eccentric hearing 68 which extends a slight but suitable distance through its bearin box 69, and has attached thereto an arm T0 connected by a link 71 to a crank 72 on the shaft 65. The end of the shaft 65 has fixed thereon an op erating lever 73. It will be apparent that by swinging the lever 73 in one direction the friction wheel on the drive will be moved into engagement with the friction wheel 54 and the motor driven shaft 25 which also causes the slacking of the brake band on the brake wheel and when the lever is swung to a second direction the friction wheel on the drum will he brought out of engagement with thefriction wheel 54 andthe brake band will be tightened on the brake wheel thereby holding the drum from turning.

The drum 74 forthe sand line is located above the tool line drum 62, being positioned directly over the friction wheel 54. The

an eccentric bearing 76, the bear-in shaft '7 5 for the drum 74 is also mounted in being revoluble ina bearing box 77 there or, and being provided with an operating lever 78 whereby a friction wheel 79 on the said drum is brought against or sustained away from engagement with the friction wheel 54. Itis to be noted that all of the operating levers are arranged at the rear of the device, and, therefore, in close proximity for convenient handling by the operator of the drill.

On the sides or legs of the swingable derrick section there are fixed boxings or bearings 7 9 for a shaft 80. The shaft 80 extends through one of its bearings 7 9 and has fixed thereon a block or boxing to whose opposite faces there are secured the inner and thickened ends of leaf springs 81, the outer ends of the said leaf springs being connected by shackles to arms 83 which are secured to the opposite sides of a pitman 84, and the said pitman has its lower end connected to the crank 55...

On the shaft 80 there are fixed the thickened ends of oppositely-arched pairs of leaf 7 springs 8585. These leaf springs are also preferably secured on boxes that are fixed on the shaft 80, and the outer ends of these outer sheave wheel 87, being directed therefrom over the sheavewheel 28.

directed or curved pairs of springs impart a successive thrust and jerking action to the wire tool line. Thus the rapidly moving tool line is subjected to what may be-termed an elastic whip lash action in the up and down movement of the tools, which insures a perfect drilling operation and absorbs all shocks and jars. Also with this arrangement the necessity of a longitudinally movable ortelescopic crank for the pitman is entirely obviated.

The parts operated by the engine or power plant, turn, as previously stated, in a bath of oiland are, therefore, constantly lubricated. The reduction gear, that is, the worm and the worm gear, insures a constant and steady action of the crank and pitman. The clutch releases the crank action for elevating the tools while leaving the lines threaded. The transmission serves to increase speed for pulling out tools, etc., while a change of enginespeed may be readily and quickly obtained. The improvement, except for the pitman, is constructed wholly of steel and is, of course, light in weight. The improvement is also small and compact so that the mast, when thesections thereof are telescoped and arranged over the truck body will permit of the said truck traveling through any ordinary traffic to haul the improvement in an expeditious manner to the place where the well is to be drilled. The truck, with the improvement supported thereover, is not materially increased in length and may be received in any ordinary garage.

Having described the invention, I claim:

1. In a portable well drilling machine, a'

mast made up of a pivotally supported section swingable to horizontal and to vertical positions, means for supporting the mast section in either of'such positions, and a second sheave carrying section slidably associated with the pivoted section, and means for latching the slidable section adjusted with respect to the pivoted section.

2. In a portable well drilling machine, a mast comprising a pivotally supported section swingable to horizontal and to vertical positions, means supporting the mast section in either of such positions and a second sheave carrying mast section slidably associated with the pivoted mast section, means, comprising a cable trained over-pulleys for adjusting The springs just described are important features of the invention. These oppositely the slidable mast section with respect to the pivotally supported mast section, a swingable cable operated latch carried by the pivotally supported mast section, swin able to engage in the slidable mast section for holding the mast sections adjusted.

3. In a portable well drilling machine, the combination with a motor actuated itman, and a mast adjacent to said pitman, o a shaft journaled in the mast, a grooved wheel fixed on the shaft over which-the tool actuating cable is trained, curved springs fixed on the shaft and connected with the pitman, and oppositely curved springs also fixed on the shaft and a guide Wheel journaled through the ends of said last named oppositely curved springs for the tool line.

4. In a well drilling machine, a shaft over which a tool line is trained, yieldable means for imparting an oscillatory movement to the shaft, and spring means carried by the shaft and guide means carried by the spring means for the tool line.

5. In a well drilling machine, the combination of a shaft, a pitman for imparting an oscillatory rotary movement to the shaft, a cantilever spring connection between the shaft and the pitman, said shaft having a tool line trained thereover, laminated springs secured tot-he shaft and extending in the s: 1e direction of and at an opposite angle to the spring connection between the shaft and pitman, and a roller journaled between the last mentioned springs and providing a guide for a tool line.

In testimony whereof I aifix my signature.

JACOB H. WILT.

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