US1098146A - Excavating machinery. - Google Patents

Description

G. H. DUNLOP.

EXGAVATING MACHINERY.

APPLICATION FILED JULY 1o, 1909.

\ ooLuMBlA PLANOGRAPH co.. WASHINGTON, D. c.

Patented May 26,1914.

2 SHEETS-SHEET 1.

ATTORNEY G. H. DUNLOP.

BXGAVATING MACHINERY.

APPLIoATIoN FILED JULY 1o, 1909.

, 1,098,146, Patented May 26,1914.

2 SHEETS-SHEET 2.

A TTURIVEY CDLUMBIA PLANDGRAPH Co.. WASHINGTON D c GEORGE HENRY DUNLOR OF AUBURN, VICTORIA, AUSTRALIA.

EXCAVATING MACHINERY.

Specification of Letters Patent.

Application led July 10, 1909.

Patented May 26, i914. serial No. 506,967.

To all whom it may concern Be it known that I, GEORGE HENRY Drin- Lor, a subject of the King of Great Britain and Ireland, residing at No. 2O Robinsons road, Auburn, in the State of Victoria, Commonwealth of Australia, civil engineer, have invented new and useful Excavating lilachinery, of which the following is a specifi-V cation.

The present invention relates to improve ments in excavating machinery and deals more particularly with an improved form of scoop. n

The object of the present invention is to provide an improved form of scoop adapted to be used in connection with excavating machinery and comprises means for operating same.

The invention consists essentially7 in providing a movable carriage from which the scoop is adapted to be suspended, seconstructed and designed that the filling, hoisting and dumping of said scoop is accomplished by means of three separate ropes connected with suitable operating mechanism.

lVith these and other objects in view the invention consists in the construction and arrangement of parts more fully set forth in the following specification, illustrated in the accompanying drawings and pointed out in the appended claim. p

Referring to thedrawings; Figure l is a side elevation of one embodiment of the invention as applied to a cantaliver cableway conveyer with the scoop shown in filling position by full lines and in dumping position by dotted lines. Fig. 2 is a sectional view over the cutting showing the side struts spaced apart with the scoop being hoisted between them. Figs. 3, 4, 5 and 6 are views showing the scoop in hoisting, conveying,

Vdumping and returning positions respectively, with part of the cable of the conveyer from which the scoop carriage is suspended. Fig. 7 is a front view of the movable carriage from which the scoop is suspended.

The invention as illustrated in Fig. l of the drawing, is shown applied to a braced or cable-way conveyer adapted to span the ground where the scoop is to be filled and extending out over the dump in the well known manner. A track-way o5 is built, upon which the conveyer may be moved over the place of excavation. The conveyer C at c4 at'one end of the struts.

"side plates P are provided,

hoist pulley consists of struts c2 spanning the excavation, a jib or derrick o3 being pivotally mounted A cable c extends from the outer end of the derrick c3 to the farther end of the side struts and serves the double purpose of the back tie for the projecting derriclr and the trackway for the conveying carriage. The conveying carriage K consists of one or more flanged wheels adapted to run on the cable c. From both sides of the carriage wheels supporting a beneath the cable o and around which the hoist-conveying rope passes. Suspended from the carriage K is a hook H which is preferably double (one half to each side vofthe cable). IThis hook is pivotally mounted, as for example, on the axle of the upper wheelcarriag'e K and hangs down being provided with side slots its in which the axle ends of an under wheel project. The lower part of the hook H is formed with two lugs it, at the lower portion of each half of the hook. The upper lug 7L is adapted to sustain the loaded scoop and the lower lug 7a2 to sustain the overturned scoop, as will be hereafter more fully described.

The scoop S has a cutting edge or mouth at which it is filled, and a bowl for holding the material to be carried therein. Pivotally mounted to the outer sides of the scoop S is a bail or bridle B. The bail is provided near its upper portion with a transverse rod Z and is suspended by the hoist-conveying rope R3 which passes over a sheave or pulley bloclr l, suitably carried between the carriage K and the bridle B. The hoist-conveying rope R3 is connected to the scoop by the bail or bridle (as has been described) and passes over a drum c3 carried at the outer end of the jib or crane 03 and from thence over a. similar drum E3 at the farther end of the strut c2 to the winding engines. By means of this rope the scoop is hoisted and carried along the cable orftraclr-way c. A tipping rope R2 is attached to the scoop near the top or back and is used mainly for tilting or rotating the scoop when filling and dumping. rIhe other end of this rope passes over a winding drum E2 to the engines. The third main-haul rope R is'attached to the scoop near the mouth and is used mainly for fillingy the scoop. This rope passes over a winding drum E and thence to the winding engines. A small loop Z2 is provided on the back ot the scoop and is adapted to engage with the lower lug when the scoop is in its over-turned position.

The operation of the device is as Jfollows: rEhe scoop lying in the cutting as shown in Fig. l, is hauled forward by the main-haul and tipping ropes R and R2 respectively and so lled. lt is then shifted by the hoistconveying rope R3 until the bail B strikes at the hook H and rises above the upper lug 7a.. The hook swings back on its pivot and the scoop is lowered until the bail is borne on the upper lug h, the transverse bar Z resting thereon (see Fig. 4). Then the carriage is hauled outward and upward over the dump where the scoop is over-turned by the tipping rope R2, and when sul'liciently over-turned for dumping, the loop Z2 on the back of the scoop strikes the hook H just below the upper lug 7i. and forces it outward from the bail so allowing the scoop to drop until the loop rests on the lower lug 71.2, whereby the over-turned scoop is borne until it has been allowed to run back preferably by gravity, or is hauled by the tipping rope until over the cutting (see Figs. 5 and 6).

I prefer to have separate engines tor operating the tipping and main-haul ropes and to use them in the manner more particularly described in the specification accompanying Letters Patent No. 825,20() of 1906, save that there is no backward hauling rope in this invention.

llfhile the machine is herewith described as employed for excavating, it will be understood that it may also be used and is designed for lilling and `tor transporting materials, as for example coal and the like.

Having described my invention what I claim is:

In excavating machinery a scoop provided with a bridle, a mainhaul rope, a tipping rope, a hoist-conveying rope, a cantaliver cableway conveyer, a. carriage on said cableway, a hook suspended from said carriage and having lugs thereon, loops on the bridle and scoop to engage with said lugs-substantially as described.

In testimony whereof I have signed my name to this specification in the presence ot' two subscribing witnesses.

GEORGE HENRY DUNLOP. `Witnesses BEDLiNG'roN BoDYooM, WILLIAM THOMPSON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. C.

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