US2452802A - Counterbalancing attachment for pumps - Google Patents

Description

GOUNTERBALANCING ATTACHMENT FOR ruivirs Filed Aug. 5, 1947 Inventor Tomas B. Sfnbk/and n I I Patented Nov. 2, 1948 COUNTERBALANCING ATTACHMENT FOR PUMPS I Tomas B. Strickland, Animas, N. Mex. Application August 5, 1947, Serial No. 766,363

(Cl. iii- 590) 8 Claims.

This invention relates to new and useful improvements in counterbalancing attachments for pumps and the primary object of the present invention is to provide a device adjustably mounted on a pump rod to exert a perpendicular pull on the pump rod and to prevent lateral strain and consequent binding and friction of the pump rod.

Another important object of the present invention is to provide a device of the character disclosed including a container that selectively receives a weighted material such as sand or the like for increasing or decreasing the perpendicular pull on the pump rod.

A further object of the present invention is to provide a counter balancing attachment for pumps including a weighted container, a flexible member connecting the container to a pump rod and novel and improved means for guiding the sliding movement of said cable.

A still further aim of the present invention is to provide a counter balancing attachment for pumps that is simple and practical in construction, eflicient and reliable in use, relatively inexpensive to manufacture, and otherwise well adapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawing forming part hereof, wherein like numerals refer to like parts throughout, and in which:

Figure 1 is a fragmentary perspective view of a well pump showing the present invention operatively connected thereto;

Figure 2 is a vertical sectional view of the weight receiving container, taken substantially on the plane of section line 2-2 of Figure 1; and,

Figure 3 is a transverse vertical sectional view showing the manner in which the bearing for the guide member is applied to the shaft carried by the same.

Referring now to the drawing in detail, wherein for the purpose of illustration, there is disclosed a preferred embodiment of the present invention, the numeral l represents a pair of substantially triangular frames or side members, preferably circular in cross section, inclined toward each other at their upper end and retained in the inclined positions by cross braces l2.

Removably secured to the upper substantially horizontal portion Id of the side members, is a transverse shaft l6, having an annular shoulder 2 l8 anda threaded portion adjacent said shoulder receivably engaging a nut 22.

Journaled for rotation on the shaft between shoulder l8 and nut 20, is a bearing member 24 to which the terminal portions of a plurality of radial spokes 26 are rigidly secured. Fixedly secured to the outer ends of spokes 26 is an arcuate preferably semi-circular guide member 28 that slidably receives a cable 30.

One end of cable 30 is adjustably mounted by use of cable clamps 32, to a pump rod 34, and the opposite end of cable 30 is adjustably mounted by cable clamp 35 on a nod 36, fixedly secured and extending axially through a cylindrical container 28, tapered at each end 30. The upper tapered end of the container is provided with a a hinge door or closure 42 through which sand or other suitable weighted material 44 may pass into the container.

Projecting downwardly from the lower periphery of bearing 24, is a pair of downwardly inclined suspension arms 46 supporting a counter weight 48.

In practical use of the device, sand or the like 44 is placed into the container 38 until the weight of the container equals the weight of the pump rod 34, the piston of the pump rod (not shown) and the weight of the water normally lifted by the piston. By such an arrangement, the time necessary to drive the pump rod will be reduced.

Obviously, during the operation of the device thus described, the Weight 48 will tend to normally retain the guide 28 disposed in a position as best shown in Figure 1 of the drawing.

In view of the foregoing description taken in conjunction with the accompanying drawing it is believed that a clear understanding of the construction, operation and advantages of the device will be quite apparent to those skilled in this art. A more detailed description is accordingly deemed unnecessary.

It is to be understood, however, that even though there is herein shown and described a preferred embodiment of the invention the same is susceptible to certain changes fully comprehended by the spirit of the invention as herein described and the scope of the appended claims.

Having described the invention, what is claimed as new 1s:

1. A counter balancing attachment for pumps comprising a frame, a shaft removably secured to said frame, a member journaled for rotation on said shaft, a container, means slidably mounted on said member connected to said container and 3 a piiiiip rod, and counter balance weight means suspended from said member.

2. A counter balancing attachment for pumps comprising a frame, a shaft removably secured to said frame, a member journaled for rotation on said frame, an arcuate guide carried by said member, a cable slidably mounted in said guide, one end of saidcable adjustably mounted on a pump rod, a container removably secured to the opposite end of said cable, said container receiving a weighted material, and a counter balance weight suspended from said member.

3. The combination of claim 2 wherein said container includes a cylindrical member tapered at each end and having a hinged closure at one end.

4. A counter balancing attachment for pumps comprising a frame, a shaft removably secured to said frame including an annular shoulder and a threaded portion adjacent said shoulder receivably engaging a nut, a bearing journaled for rotation on said shaft interposed between said shoulder and said nut, spokes radiating from said bearing, a guide fixedly secured to the outer ends of 4 said spokes, a cable slidably mounted on said guide, one end of said cable adjustably mounted on a pump rod, a container selectively receiving a weighted material carried by the opposite end of said cable and a counter balance suspended from said bearing. 5. The combination of claim 4 wherein said counter balance includes a weight and means rig idly suspending said weight from said bearing. 6. The combination of claim 4 wherein said frame includes a pair of substantially triangular side members converging at their upper ends,

- means for retaining said side members at an iii- 20 at each end and a door hinged to one of said ends.

TOMAS B. STRICKLAND.

No references cited.

Images