US699806A

US699806A - Hoisting and dumping apparatus.

Info

Publication number: US699806A
Application number: US7668600A
Authority: US
Inventors: Charles A Morris
Original assignee: Individual
Current assignee: Individual
Priority date: 1900-04-05
Filing date: 1900-04-05
Publication date: 1902-05-13
Anticipated expiration: 1919-05-13

Description

Patented May l3, I902.

C. A. MORRIS.

HOISTING AND DUMPlNG-APPARATUS.

(Application filed Apr. 5, 1900. Renewedfiept. 26, 1901.)

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C. A. MORRIS.

HDISTING AND DUMPING APPARATUS.

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ran STAS "ATEN ()FFICE.

CHARLES A. MORRIS, OF GLENRIDGE, NEW JERSEY.

HOISTING AN D' DU M PING APPARATU S.

srscrrrcnrron forming part of Letters Patent No. 699, dated y 1902- Application filed April 5, 1900. Renewed September 26, 1901. Serial No. 78,686- (No model.

To aZZ whom it may concern:

Be it known that 1, CHARLES A. MORRIS, a citizen of the United States, residing at Glenridge, in the county of Essex and State of New Jersey, have invented certain new and useful Improvements in Hoisting and Dumping Apparatuses, of which the following is a specification.

This invention relates to an apparatus for hoisting and dumping materials such as coal, earth, and the like; and the object of the invention is to provide a simple and efficient apparatus furnished with a counterweighted dumping-guide and means for automatically locking and unlocking said guide.

In the accompanying drawings, which illustrate an embodiment of the invention, Figure 1 is a side elevation of the apparatus, showing the bucket suspended; and Fig. 2 is a plan of the same. Fig. 3 is a sectional view showing the bucket dumped. Fig. 4 is a somewhat-diagrammatic view showing the automatic devices for stopping the motor and allowing the bueket to descend.

1 is a supporting-frame mounted in any suitable position, as at the end of an outrigger or on the boom or spar of a derrick, so as to overhang the point where the load is to be taken on. In this frame are mounteda rockshaft 2 and a suitable guide-sheave 3.

4 is the dumpingguide, herein shown as oylindrical in plan and secured atits upper edge to the shaft 2 through the medium of a sleeve 5, which embraces the shaft. The lower end of the guide a may be flared, as seen at 4E, and the top thereof maybe out off obliquely, as seen at 1. Above the point where the guide is fixed to the shaft 2 is a sheave 6, mounted rotatively in bearing-brackets 7 on the guide, and in said brackets, with its periphery alined substantially with the axis of the guide, is another sheave 8. The hoistingrope 9 passes under the sheave 3 and over the sheaves 6 and 8, depending thence down through the axis of the guide to the point where the loaded bucket 10 is hooked on.

The bucket is cylindrical and of such size as to enter freely but rather snugly into the dumping-guide. It'has a bar or bail 10 to receive the attaching-hook 9' on the hoistingrope 9.

On the respective ends of the shaft 2 are fixed counterweight-cams 11, each of which comprises a base-plate, onthe face of which are formed or fixed a grooved convex part or element 11 and a radially-arranged grooved part or element 11". The counterweight-rope 12 is fixed at the boss of the cam 11 and extends out radially between the two

members

11 and 11 over a sheave 13 on the frame and has suspended from it a weight 14. The guide 4 is counterbalanced somewhat yieldingly by the upward pressure of the cam member 11 on the taut rope 12. a

15 is the inclined chute into which the material is dumped. This chute is secured in the frame 1 at its upper end and directs the material to the point desired. Then the bucket is being hoisted, the strain is thrown on the sheaves 6 and 8 in a manner tending to rock the guide to the dumping position, and to prevent this rocking of the guide prematurely it is provided with a locking-latch 16, pivoted in a bracket 17 on the side of the guide next to the frame and adapted to engage a keeper 18 on the frame 1 or on the chute. Normally the latch engages its keeper and prevents the guide from rocking; but as the bucket in rising enters the guide and nears the highest point of the lift its margin.

encounters an inturned lug 19 on an operating-rod 19, coupled to the inner arm of the pivoted locking-latch, thus operating to release the latter. The continued lifting effort rocks the dumping-guide and bucket to the position seen in Fig. 3, which has the effect of dumping the contents of the bucket into the chute 15. I v

The tilting of the guide 4 in dumping causes the element 11 of the cam 11 to press down upon the rope 12 in such manner as to raise the weight 14, so that when the hoisting-rope is slackened to lower the bucket the counterweight 1 1 acts through its rope and the cam member 11 to turn the guide back until it will descend by gravity to its normal position. The cam and counterweight also return the bucket, which is in the guide, to the proper position for it to be lowered.

When the guide comes to rest in its normal horizontal position and the bucket descends out of it, the locking-latch 16 is permitted to engage its keeper 18, the weight of the rod 19 on its inner arm being relied on to effect the engagement. The hoistingrope 9 may be led to any desired point and either over or under the guide-sheave 3. This feature will depend upon circumstances, such as the position of the hoisting engine or motor, the character of the derrick or outrigger, and the like.

There may be means for automatically stopping the hoisting-engine at the completion of thevdumping operation and the releasing of the friction-clutch of the hoist. Such a device is illustrated somewhat diagrammatically in Fig. 4, wherein represents an electric motor which drives the Windlass-barrel 21 through a friction-clutch 22 and gearing 23. The clutch members are held in driving contact by a weighted arm 24 in a known construction. The motor-circuit 25 has in it a break controlled by a switch-arm 26. There is a lever 27 on the frame of the apparatus, which is coupled by a wire or cord 28 to the switch arm 26, and when the bucket is dumped a pin or stud 29, which may be on the cam 11, impinges on the lever 27, rocks it, and causes the arm 26 to break the motorcircuit. This is arranged to occur a moment before the completion of the dumping, and the further slight movement of the dumpingguide in completing the dumping frees the members of the clutch 22 through a cord or wire 30, which connects the switch-arm 26 with the weighted lever 24 by lifting the said arm. The object of this device is to automatically arrest the winding of the hoisting-rope as soon as the dumping movement is finished and before any injury can be done, and it will be obvious that other means than that shown can be employed to effect this. If a steam-engine be employed for hoisting, the cord 28 may be connected with the throttle thereof for shutting off the steam.

Obviously the bucket or receptacle for the material to be hoisted may be of any shape, size, or construction desired. As herein shown, it is designed for doing relatively light work.

Some of the features shown, but not claimed herein, are shown and claimed in another pending application of mine filed on April 4, 1900, under serial number 11,436.

Having thus described my invention, I claim 1. A hoisting and dumping apparatus, having a supporting-frame, a dumping-guide hinged in said frame and provided with guidesheaves for the hoisting-rope, the said rope, the bucket, and a locking device which looks said guide from turning, said device adapted to be unlocked by the ascending bucket, substantially as set forth.

2. A hoisting and dumping apparatus, having a supporting frame, a dumping guide hinged in said frame and provided with guidesheaves for the hoisting-rope, the bucket, a locking-latch carried by said guide, a keeper mounted on the frame and adapted to be engaged by said latch, and means whereby the ascending bucket releases said latch when it enters the said guide, substantially as set forth.

3. A hoisting and dumping apparatus, having a supporting-frame, a dumping-guide hinged in said frame and provided with guidesheaves for the hoisting-rope, the said rope, the bucket, and a locking device which locks said guide from turning, said device consisting of akeeper 18, on a fixed part of the apparatus, a locking-latch l6, pivotally mounted on the dumping-guide, and an operating-rod 19, coupled to said latch and provided with a lug 19 which extends into the path of the ascending bucket substantially asset forth.

4. Ahoisting and dumping apparatus, having a supporting-frame, a chute, a dumpingguide hinged in said frame, means for counterbalancing said guide yieldingly in its normal position automatic means for locking said guide against dumping, the hoisting-rope and bucket, and means whereby the ascending bucket, when it enters said guide, unlocks the latter, substantially as set forth.

5. Ahoisting and dumping apparatus, having a supporting-frame, a chute, a dumpingguide hinged in said frame, means for counterbalancing said guide yieldingly, in its normal position, means for turning said guide back after dumping, guide-sheaves carried by said guide, a hoisting rope over said sheaves a bucket means for locking said guide in its normal position during the hoisting of the bucket, and means actuated by the ascending bucket when it enters said guide, for releasing the latter substantially as set forth.

6. A hoisting and dumping apparatus having a supporting-frame, a tilting dumpingguide in said frame, a bucket, raising and lowering means therefor and means for automatically locking the dumping-guide substantially as described.

In witness whereof I have hereunto signed my name, this th day of March, 1900, inthe presence of two subscribing witnesses.

CHARLES A. MORRIS.

Witnesses:

PETER A. Ross, HENRY CONNETT.

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