US659586A

US659586A - Hoisting mechanism for well-tubing.

Info

Publication number: US659586A
Application number: US495900A
Authority: US
Inventors: William Heckart
Original assignee: Individual
Current assignee: Individual
Priority date: 1900-02-12
Filing date: 1900-02-12
Publication date: 1900-10-09
Anticipated expiration: 1917-10-09

Description

No. 659,586. Patented on. 9. I900.

w. HECKART. HOISTING MECHANISM FOR WELL TUBING.

. (Application filed Feb. 12, 1900.) (N0 M m 3 sheets-Sheet l.

wmwm Wa /Mare? Nn.659,586. Patented Oct. 9, I900 W. HECKART.

HOISTING MEGHANISMFOR WELL TUBING (Application filed Fb. 12, 1900.) (No Modal.) 3 Sheets-Sheet 2.

r r d Mart cm: s PETERS co, mm'aumq'. wusmucmu, a

No. 659,586. Patented Oct. 9, I900. w. HECKABT.

HOISTING MECHANISM FOR WELL TUBING.

(Application filed Feb. 12, 19 o :No Model.) 3 Sheets-Sheet 3.

UNrrnD STATES WVILL IAM HEOKART,

PATENT OFFICE.

OF BRADNER, OHIO.

HOISTING MECHANISM FOR WELL-TUBING SPECIFICATION forming part of Letters Patent No. 659,586,,dated October 9, 1900.

Application filed February 12,1900. Serial No. 4,959. (No model.)

To all whmn it may concern.-

Be it known that I, WILLIAM HECKART, a citizen of the United States, residing at Bradner, in the county of Wood and State of Ohio, have invented certain new and useful Improvements in Hoisting Mechanism for Well- Tubing; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

Apparatus as generally employed in connection with Artesian and oil wells for raising and lowering the rods and tubing is for the most part expensive in operation and maintenance, chiefly because of the time consumed in effecting the desired result and because of the frequent repairs necessitated when in use.

The present apparatus is designed to overcomethe objectionable features urged against mechanism of similar character and is constructed for manual and horse-power actuation, the latter being employed primarily for drawing the rod and tube from the Well and the former resorted to when lowering the said parts into the well. The hoisting-drum is controlled by means of a brake, so that the speed of the rod or tube can be regulated. Combined with the elevating rope or cable is a lifting device to deflect the said rope and effect a corresponding elevation of the rod or tube sufficient to permit the application thereto or the removal therefrom of the elevator or holder, by means of which the said rod or tube is held in suspension during the adjustment of the elevating-rope and the coupling or the uncoupling of the sections comprising the rod and tube.

For a full description of the invention and the merits thereof and also to acquire a knowledge of the details of construction of the means for effecting the result reference is to be had to the following description and the drawings hereto attached.

While the essential and characteristic fea-. tures of the invention are necessarily susceptible of modification, still the preferred embodiment of the invention is illustrated in the accompanying drawings, in which- Figure 1 is a side elevation of a well-tubehoisting apparatus constructed in accordance with and embodying the essential features of the invention. Fig. 2 is a top plan view thereof. Fig. 3 is a rear end view. Fig. 4is a detail view of the lifting device for deflecting the elevating rope or cable. Fig. 5 is a central longitudinal section of the hoistingapparatus overthe ground when moving it from one place to another. As shown, the frame is of rectangular outline and comprises side beams 2, end beams 3,and tie-rods 4. The rear end beam is provided with an opening 5, through which the draft-cable 6 passes, and in order to prevent contact of the draftcable with the sides of the opening 5 horizontal and vertical rollers are provided and located so as to give proper direction to the draft-cable and centralize it with reference to the said opening. The horizontal rollers 7 are vertically spaced and are mounted at their ends in the side beams 2. The vertical rollers 8 are transversely spaced and are journaled in angle-plates 9, secured-to the inner face of the rear end beam adjacent to the upper and lower edges of the opening 5.

A shaft 10 is centrally located with reference to the frame and is journaled in bearings applied to the side beams 2 and is provided at one end with a crank 11 and receives the hoisting-drum 12, grooved pulley 13, and brake-wheel 14. The hoisting-drumis centrally located on the shaft 10, and the pulley 13 and brake-wheel14 are located at opposite ends thereof and constitute heads to prevent the elevating rope or cable 15 from slipping off its ends. The pulley 13 alines longitudinally with the opening 5 and is designed to receive one or more turns of the draft-cable. The

several parts

12, 13, and 14 are connected so as to rotate in unison with one another and with the shaft 10. Hence movement imparta brake-lever 18, mounted in a bearing applied to the side beam 2 adjacent to the brakewheel 14:. A hand-latch 19 of ordinary con struction is applied to the brake-lever 18 and cooperates with a notched segment 20 to hold the brake-lever in an adjusted position. The brake can be set to offer a greater or less resistance to the hoisting-drum, whereby provision is had for regulating the descent of the rod or tube and whereby said parts may be held in suspension at any required point by properly setting the brake so as to prevent possible rotation of the hoisting-drum.

As is well known, thewell tubing and sucker-rod are constructed in sections, which are detachably fitted together, said parts being raised and lowered a length at a time. During the interval of coupling and uncoupling the sections the rod or the tube, as the case may be, is held in suspension, usually by means of an elevator or jack, as is well understood. After the .joint has been completed it is necessary to elevate the rod or tube a suflicient distance to permit of the detachment therefrom of the elevator. This operation is generally attended with considerable annoyance and loss of time, which it is the purpose of the present invention to obviate, and to attain this object a lifting device is combined with the hoisting apparatus and consists of the following instrumentalities: A shaft 21 is transversely arranged with reference to the apparatus and is mounted at its ends in uprights 22, pivoted at their lowerends to the side beams 2. A forked or Y-shaped brace 23 has the terminals of its branches applied to the end portion of the shaft 21, and the end portion of the stem has adjustable connection with the front end beam of the frame, so as to vary the position of the shaft 21 with reference to the hoisting-drum and to the relative inclination of the elevating rope or cable 15. As shown, the stem of the brace 23 is formed with a series of openings 24 and passes through a keeper 25, secured to the front end beam 3, said keeper having openings in its side members in coincident relation and adapted to register with any one of the series of openings 24; of the brace. Apin or key 26 is adapted to be passed through the transverse openings of the keeper and any one of the openings 24: of the brace, so as to hold the latter and the shaft 21 in the required position. Arms 27 project rearwardly from the shaft 21 in parallel relation and support a transversely-disposed rod 28, located a short distance from and parallel with the shaft 21. The elevating rope or cable 15 passes between the shaft 21 and rod 28 and is adapted to be deflected from a normal position, thereby to eifect a lifting of the rod or well-tubing when it is required to detach the elevator or like holding device therefrom. A lever 29 is applied to the projecting end of the shaft 21 and normally extends lengthwise of the frame, so as to be out of the way. The position of the lever 29 is unimportant and may be varied according to the disposition of the parts and as best suited to meet the wants of the operator.

The operating mechanism being assembled substantially in the manner set forth and it being required to utilize the apparatus for extracting the sucker-rod or well-tubing, the machine is properly and conveniently positioned with reference to the well and the elevating rope or cable 15 is passed over a sheave pulley (not shown) applied to a derrick located over the well and is extended downward and connected with the rod or welltubing in the usual manner. The draft-cable 6 is passed through the opening 5 and is given one or more turns around the pulley 13, its outer end being hitched to a team, and all being in readiness and the team started the cable unwinding from the pulley 13 imparts rotary movement to the hoisting-drum 12, upon which the elevating rope or cable is Wound, thereby withdrawing the rod or tubing in the manner well understood. After a section of the rod or tube has been withdrawn the brake is set to prevent backward rotation of the hoisting-drum, and the elevator (not shown) is fitted to the rod or tube below the joint, so as to admit of the withdrawn section being uncoupled. The elevating-ropeis detachedfrom the section of rod or tube just withdrawn and is secured to the next section and the operation repeated until the rod or tube is completely removed from the well. When replacing the tube and rod, they are lowered in sections, and after each section has been properly positioned it is held in suspension by means of the elevator aforesaidduring the interval of placing the next section in position and the readjustment of the elevating-rope. During the operation of lowering the tube or rod into the well the hoisting-drumis manually controlled by means of the operator grasping the crank 11 and the speed of the descent of the parts into the well is controlled by means of a proper application of the brake, as will be readily understood. After the section to be lowered has been coupled to that previously positioned it is necessary to elevate the rod or tube a sufficient distance to permit of the ready detachment therefrom of the elevator previously applied for holding the part in suspension in the well. To efiect this result, the lever 29 is operated and the rod 28 is brought forcibly into contact with the elevating rope or cable 15 and causes a deflection thereof, which results in the lifting of the rod or tube sufliciently far to admit of the attainment of the desired result.

It is not always feasible to position the hoisting apparatus so as to occupy the same relation when used in connection with different wells. Hence the elevating-rope 15 will assume different angles, and in order to accommodate the lifting device to the varying positions of the said elevating rope ithas been found expedient to adjustably mount the lifting device in the manner stated. Hence the advantage of pivotally mounting the uprights 22 and the adjustable connection between said uprights and the frame.

The elevating-rope 15 is prevented from inj urious contact with either the shaft 21 or the rod 28 by means of pulleys 30, fitted to slide freely thereon, and which are free to turn when said rope is in contact therewith. These pulleys are mounted in a frame composed of two parts 31, having offstanding lugs apertured to receive the bolts or fastenings by means of which the parts are secured when brought together. The middle portion of each part 31 is thickened at 32 to a depth to correspond with the thickness of the adjacent rims or flanges of the pulleys, so as to come about flush with the'inner faces thereof, and these thickened parts 32 have tapering depressions 33 in line with the space formed between the adjacent parts of the pulleys, which are peripherally grooved. The frame, with the pulleys, travels back and forth upon the shaft 21 and rod 28.

Having thus described the invention, what is claimed as new, and desired to be secured by Letters Patent, is

1. In apparatus for raising and lowering well-tubing and the like and in combination with the elevating-rope and actuating mechanism therefor, a lifting device disposed to deflect the elevating-rope from a normal position whereby the object attached thereto is elevated a short distance substantially as and for the purpose set forth.

2. In apparatus for raising and lowering Well-tubing and the like and in combination with the elevating-rope, and actuating mechanism therefor, a rod disposed in the path of the elevating-rope, and operating means connected with said rod for moving it to cause a deflection of the elevating-rope from anormal position whereby the object attached thereto is lifted, substantially as and for the purpose specified.

3. In apparatus for raising and lowering well-tubing and the like and in combination with the elevating-rope, and actuating mechanism therefor, a shaft, a rod spaced from and connected with the said shaft and extending across the path of the elevating-rope, and means for turning the shaft in its bear ings to cause the said rod to effect a deflection of the elevating-rope whereby the object attached thereto is lifted a short distance, substantially as specified.

4. In apparatus for raising and lowering well-tubing and the like and in combination with the elevating-rope, and actuating mechanism therefor, a lifting device for efiect ing a deflection of the elevating-rope to lift the object attached thereto, and adjustable mountings for said lifting device to adapt its position to the relative inclination of the elevating-rope, substantially as set forth.

5. In apparatus for raising and lowering Well-tubing and the like and in combination with the elevating-rope, and actuating mechanism therefor, pivoted uprights, a lifting device, supported by means of said uprights and adapted to effect a deflection of the elevating-rope for the purposes stated, and means for turning the uprights upon their pivotal connections and holding them in an adjusted position, substantially as set forth.

6. In combination with the elevating-rope of a hoisting apparatus of the character described, means for effecting a deflection of said elevating-rope from a normal position for the purposes set forth, the same comprising a shaft, arms projecting from the shaft in the same direction, a rod attached to the outer ends of said arms and means applied to the shaft to effect a turning thereof and an arcuate movement of the rod, substantially as and for the purpose set forth.

7. In combination with the elevating-rope of hoisting mechanism of the character described, a lifting device, the same comprising pivoted uprights, a shaft journaled to the free ends of the upright, a rod paralleling the shaft and connected therewith, a brace having bifurcated portions connected to the end portions of the aforesaid shaft, means adjustably connecting the said brace with the frame of the apparatus, and a lever applied to the shaft to efiect a turning thereof in its bearings and a deflection of the elevatingrope from a normal position, substantially as and for the purpose specified.

8. In combination with the elevating-rope of a hoisting apparatus of the character specified, means for efiecting a'deflection of said elevating-rope from a normal position for the purpose described, the same comprising a shaft, a rod parallel with, spaced from and connected to the said shaft, and companion pulleys mounted to slide upon the shaft and rod and adapted to receive the aforementioned elevating-rope between them, substantially as described.

9. In combination with the elevating-rope of a hoisting apparatus of the character specified, means for effecting a deflection of said elevating-rope from a normal position for the purpose described, the same comprising a shaft, a rod parallel with, spaced from and connected to the said shaft, pulleys mounted to slide upon the shaft and rod, and a frame embracing the sides of the pulleys and slidable therewith upon the rod and shaft, substantially as specified.

10. In combination with the elevating-rope of a hoisting apparatus of the character speci fied, means for eflecting a deflection of said elevating-rope from a normal position for the with tapering depressions, substantially as m purpose described, the same comprising a set forth.

shaft, a rod parallel with, spaced from and In testimony whereof I aflix my signature connected to the said shaft, pulleys mounted in presence of two witnesses.

to slide 11 on the shaft and rod, and a frame embracing the sides of the pulleys and slid- WILLIAM HECKART' able therewith upon the rod and shaft, said Witnesses:

frame being sectional and having the middle W. C. SHOWALTER,

portion of its side pieces thickened and formed ADDA SHOWALTER.