US 2657014 A
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Description (OCR text may contain errors)
Oct. 27, 1953 v. v. WEBSTER 2,657,014
SUB HOLDER Filed Jan. 29, 1952 2 Sheets-Sheet l /6 if H /9/7 I A5 9 /Z 9 /15 r I luvilvr k, 1 I v VQy K M/ebsZ'en 2 ll /0 q 8 /0 i8 1H t l M I IITTOVRNEYS.
Oct. 27, 1953 v v, WEBSTER 2,657,014
SUB HOLDER Filed Jan. 29, 1952 2 Sheets-Sheet 2 INVENTOR', 1 537 1/. 14 8175 be):
Patented Oct. 27, 1953 SUB HOLDER Vey v. Webster, .Newha'll, calm, asslgnor of twenty-five per centto Bonelli Cattle Oompany,.Saugus, Calif.
Application January 29, 1952, Serial N 0. 268,724
This invention relates we rotary mechanism for drilling oil wells, water wells, or any other wells.
An object of this invention is to provide a holding device to set in the square aperture of the rotary table where the kelly bushing sets.
Another object is to provide a holding device with three unknurled eccentrics, and cooperating with a ring gear, whereby it is possible to set a pipe or the like in the device, center it, and hold it either forward or reverse; to beput on or taken off, as the rotary table is reversible, and so is this device.
A still further object is to provide a device to make up tools on an oil field drilling rig, to change from one tool to another. It is necessary to use many substitute pipes in order to change threads and make connections on the tool that is to be used for fishing, water testing, and at various other times, and it is a very dangerous operation, as there is no device on the market to hold these pipes centered and locked to keep from turning, as these pipes weigh from fifty to two hundred and fifty pounds, and are twelve inches to six feet long.
With the foregoing and other objects in view, this invention comprises certain novel constructions, combinations, and arrangements of parts as will be hereinafter fully described, illustrated in the accompanying drawings, and more particularly pointed out in the appended claims.
In the drawings:
Figure 1 is a view in side elevation, showing the device constructed in accordance with this invention, mounted on a rotary table.
Figure 2 is a vertical, central, sectional View of the device.
Figure 3 is a horizontal, sectional view, taken on line 33, Fig. 2, and looking in the direction of the arrows.
Figure 4 is a horizontal, sectional view, taken on line 4-4, Fig. 2, and looking in the direction of the arrows.
Figure 5 is a horizontal, sectional view, taken on line 5-5, Fig. 2, and looking in the direction of the arrows.
Figure 6 is a view similar to Figure 5, showing the eccentrics in the gripping or clamping position.
Figure 7 is a view partly in elevation and partly in vertical section of the couplers used in connection with this invention.
Referring to the drawings, in which the preferred embodiment of this invention is illustrated, I designates the primary casing which is '2 provided with a plate 2. Fixedly secured to plate 2 is an auxiliary square casing 3. This square casing 3 is adapted to fit the square aperture 4 formed in the rotating table 5.
The primary casing I is provided with suitable handholds 6. Within the casing I are three eccentrics 1. On the bottom of each eccentric 1 there is formed a boss 8 and a boss 9 is formed on the top. A pin I0 extends through each eccentric 1. At II is a heavy plate which fits removably in the casing I and is supported on the bosses 9 of the eccentrics l. The lower end of each pin is journalled in the base 2, while the upper end of the pin extends through the heavy plate I I, and on the extended end is a spur gear 12, Fig. 3. A ring gear I3 is within the casing and its teeth mesh with the three cogs of the device, as clearly shown in Fig. 3. The ring gear is provided with a plurality of manual grips I4. Each grip I4 comprises a stem I5 on which is a knob I6. These grips are fixedly secured to the top of the ring gear I3. To protect the ring gear I3, a detachable plate I! is mounted on the hopper-like guide l8. The protecting plate I! is detachably secured in the desired position upon guide IS by means of screws I9. The guide It is screw-threaded into the heavy plate II, Fig. 2.
The bosses 8 and 9 suitably space the eccentrics within the casing I, so that the eccentrics do not have any binding action with respect to the base 2 and the heavy plate II. The word pipe is used in this specification in a broad sense, meaning any suitable element to be used in connection with this device.
The elements of this device can be detached, as follows: Remove the protecting plate I I, then remove the ring gear I3, then remove the heavy plate I l. The pins I0 can then be removed from the eccentrics I, whereupon the eccentrics can be lifted from the casing I.
Referring to Fig. '7, 20 is a drill collar or drill pipe, or any other pipe or substitute which can be extended in a well to use the following tools: fishing tool, water tester, digging bit, etc. 2| is a female coupling, and 22 is a coupler to be screwed on to 2|. These couplers are provided with suitable threaded sockets foreflicient coupling results.
In Fig. 1, the male coupling 24 is fitted upon the female coupling 25. The female coupling 25 has a depending conical-shaped threaded extension 26.
When the pipe 21, Fig. 2, is placed in the device, then the operator can exert pressure upon the grip I 4 to rotate the ring gear I3, which in turn will operate the cogs l2, causing the eccentrics I to rotate inwardly to the clamping position, as clearly shown in Fig. 6. To release the object 2'', reverse movement of the ring gear will result in the eccentrics assuming their released or unset position, as clearly shown in Fig. 5.
While I have described the preferred embodiment of the invention and illustrated the same in the accompanying drawings, certain minor changes or alterations may appear to one skilled in the art to which this invention relates during the extensive manufacture of the same, and I, therefore, reserve the right to make such changes or alterations as shall fairly fall within the scope of the appended claims.
What I claim is:
1. In a rotary drilling rig mechanism, a cylindrical casing, a plate fixed in the bottom of the casing and having a centrally disposed pipe receiving opening, casing rotatin means on said casing, a second plate located in the upper part of the casing and provided with a centrally disposed pipe receiving opening, said plates having sets of bearing openings evenly disposed about the plate openings, the bearing openings in one plate being alined with the bearing openings of the other plate, pins journalled in said bearing openings, gripping members eocentrically fixed on said pins and provided with bosses on their upper and lower faces to hold the eccentric cylinders spaced from the first plate and to support the second plate, spur gears each carried by the upper end of a pin, a ring gear revolubly mounted on the second plate and meshing with said spur gears retaining means holding said ring gear in place, and operating means to manually rotate said ring gear.
2. In a rotary drilling rig mechanism, a cylindrical casing, a plate fixed in the bottom of the casing and having a centrally disposed pipe receiving opening, casing rotating means on said casing, a second plate located in the upper part of the casing and provided with a centrally disposed pipe receiving opening, said plates having sets of bearing openings evenly disposed about the plate openings, the bearing openings in one plate being alined with the bearing openings of the other plate, pins journalled in said bearing openings, gripping members eccentrically fixed on said pins and provided with bosses on their upper and lower faces to hold the eccentric cylinders spaced from the first plate and to support the second plate, spur gears each carried by the upper end of a pin, a ring gear revolubly mounted on the second plate and meshing with said spur gears, retaining means holding said ring gear in place, operating means to manually rotate said ring gear, said retaining means comprising a guide tube, a circular plate having a collar slidably mounted on said tube, said circular plate extending over the ring gear, and bolts securing aid collar to said tube, and said operating means comprising standards projecting up from the ring gear adjacent its periphery and provided with hand grips on their upper ends.
VEY V. WEBSTER.
References Cited in the file Of this patent UNITED STATES PATENTS Number Name Date 1,312,565 Noftz et al Aug. 12, 1919 1,985,367 Fortune Dec. 25, 1934 2,263,267 Franklin Nov. 18, 1941