US1656900A - Pumping-derrick reenforcing - Google Patents

Description

T. A. L. BOWEN PUMPING DERRICK RE'ENFORCING Jan. 24, 1928.. 1,656,900

Filed March 27, 1926 2 Sheets-Sheet l /f grunt" T01 Tro yfl Z B W6 77/ QWW Jan. 24, 1928. 1,656,900

T. A. L. BOWEN PUMPING DERRICK REENFORCING Filed March 27, 1926 2 Sheets-Sheet 2 a Jrwento'c' 35 extending parallel right angularly disposed Patented Jan. 24, 1928.

UNITED stares TROY ALMOND LEONARD BOWEN, O35 TULSA, OKLAHOMA.

PUMPING-DERRICK REENFORCING.

Application filed March 2?, 1926.- Serial No. 9?,8952

The invention relates to reentorcing means for a pumping derrick of the type used in connection with oil wells, and has for its object to provide a reeniorcing means com prising angle irons disposed within the angle irons of the pumping derrick and clamped thereto and a header or platform carried by the upper end of the reen'forcing angle irons and clan'iping means for clamping the recnforcii'ig angle irons to the angle irons of the pumping derrick. The rcenforcing means reeniorces the pumping derrick so that the same will sutficiently strong to stand the strain. incident to pulling rods and tubing, which is not possible with conventional forms of pumping derricks. It will also be seen by reentorcing the light pumpingderrick it can be used when reeniforced for drilling wells, and when the well is drilled the reenforcement can be taken out and the pumping derrick left.

A further object is to provide the outer faces of the reenforcing angle bars with spacers {which will space said reenforeed bars from the inner faces of the angle bars of the pumping derrick a distance equal to the thickness of the nuts and washer, securing the pumping derrick parts together, thereby maintaining the reenforcing bars in parallel relation to the pumping derrickbarsl A further object is to, provide oppositely disposed right angular-1y shaped clamping plates engaging the outer sides of the pumping derrick angle bars and the inner sides of the reentorcing angle bars and outwardly ears carried by said plates tlirough which clamping bolts extend.

With the above and other objects in view the invention resides in the combination and arrangement of parts as hereinafter set forth, shown in the drawing, described and claimed, it being understood that changes in the precise embodiment of the invention may be made within the scope of what is claimed without departing from the spirit of the invention.

In the drawing r Figure 1 is a side elevation of a conventional form of pumping derrick, showing the reenforcement applied thereto.

Figure 2 is a top plan view of the reenl'orcement platform.

Figure 3 is a detail perspective view of a portion of one of the supporting legs of the derrick and a portion of one of the reenforcing angle bars. .a

Figure 4L is a horizontal sectional view taken on line i4l of Figure 3. Figure 5 is a horizontal sectional view taken on line 5--5 of-Figure 1.

Figure 6 is a perspective view of one of the reenforcing bars.

Referring to the drawings, the numeral l desi nates the steel )um inoderrick which derrick is of a conventional construction and comprises upwardly extending cornerlegs 2 formed from angle bars the upper ends of which are connected together by plates 3 which are stiiiened at their upper edges by means of angle bars i. The pumping derrick is "further braced by means of tie bars 5, which are crossed and have their ends anchored to the bottoms of the legs 2, and the legs are prevented from spreading by means of reenforcing angle bars 6. It has been found that pumping derricks are too lightly constructed to allow the same to be used for pulling well casings, tubing and rods and the usual practice is to remove the pumping derrick and place a heavier derrick for this purpose which is an expensive operation, and the present inventionis designed to reeniorce the pumping derrick so that it can be used for pulling tubing and for other purposes which would require a-structure having Y more strength and rigidity than the pumping derrick. To accomplish this result reentorcing angle bars 7 are provided within the angle bars 2 in spaced relation thereto and also parallel thereto. The outer faces of the flanges of the angle bars 7 are preferably provided with spacing plates 8 which maintain the angle bars 2 and 7 in spaced relation, thereby allowing space for the nuts and washers 9, which project inwardly from the inner sides of the flanges 2 of the angle bars 2.

The angle bars 2 and 7 are securely clamped together by means of right angular- 1y shaped plates 10 and 11. The plates 10 engage the outer sides of the angle bars 2 and terminate in outwardly extending flanges 12, which extend outwardly at a right angle to the flanges 2 of the angle bars 2 and extending through the flanges 12 and in parallel relation to the flanges 2 of the angle bars 2 are bolts 13, which bolts er:- tend through apertures 14 in outwardly ex tending flanges 15 of the angle plates 11.

Flanges 15 are in parallel relation to the flanges 12 and it will be seen when the nuts 16 are tightened on the bolts'13, the angle plates 10 and 11 will be forced together and said plates will securely clamp the angle bars 2 and 7 together, thereby causing the angle bars 7 to rigidly brace the pumping derrick angle bars2 and materially increase the strength thereof, thereby allowing the derrick to be used for other purposes where a greater strength is required, for instance to pull rods and tubing. Apertures 14 are preferably provided with enlarged portions 17, through which the nuts 16 will pass after the nuts have been loosened, and at which time the plates 10 can be moved upwardly slightly until the nuts 16 are in a position where they will pass through the apertures 17.

The upper ends of the bars 7 are connected together by means of angle irons 18, to which are secured channels 19, and which channels and angle bars form a platform to which 'various gears may be attached and at the same time rigidly brace the upper ends of the angle bars 7, thereby additional-- ly preventing inwardly movement of the angle bars 7. It is to be understood that the spacing plates 8 may be positioned wherever desired and secured to the bars 7 in any suitable manner, as the position of the plates would vary according to the position of the various securing nuts for the pumping derrick structure.

From the above it will be seen that a reenforcing means is provided for a pumping derrick which is simple in construction, the parts reduced to a minimum, may be easily and uickly applied to a derriekand remov therefrom without varying the construction of the pumping derrick, and the reenforcing means will materially incream the strength and rigidity of the structure, thereby allowing the same to be used for purposes for'which it is not primarily designed.

The invention having been set forth what is claimed as new and useful is 1. The combination with a derrick supporting leg formed from angle iron, of a reenforcing angle iron disposed within the leg, the flanges of said angle irons being in parallel relation of right angularly shaped clamping plates, one of said plates engaging the inner side of the reen'forcing angel iron, the other angle plate engaging the outer side of the leg angle iron, the registering arms of said plates being in parallel relation, the ends of said plates terminating in right angularly disposed flanges in parallel relation to the adjacent plates, and securing bolts extending through said right angular-1y disposed flanges.

E2. The combination with a derrick sup porting leg formed from angle iron, a reenforcing angle iron disposed in the derrick leg, spacing means between said angle irons,

of right angularly shaped plates having their registering arms in parallel relation, one of said plates engaging the inner side of the reent'orcing angle iron, the other plate engaging the outer side of the leg, outwardly extending flanges carried by said plates and bolts extending through said flanges at a right angle thereto and in parallel relation to the flanges of the leg and reenforcing angle iron.

'In testimony whereof I hereunto aifix my signature.

TROY A; L. BOWEN.

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