US1057162A - Wheeled excavator or ditching-machine. - Google Patents

Description

D. H. MAHONEY.

WHEELED BXGAVATOR 0R DITGHING MACHINE.

APPLICATION FILED NOV. 5, 1910.

Patented M51125, 1913.

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D. H. MAHONEY. WHEELED EXGAVATOR 0R DITGHING MACHINE.

APPLICATION FILED NOV. 5, 1910.

Patented Mar. 25, 1913.

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D. H. MAHONBY.

WHEELED EXGAVATOR 0R DITGHING MACHINE.

APPLICATION FILED NOV. 5, 1910.

3 SHEETS-SHEET 3.

COLUMBIA PLANOflIAPn 420., WASHINGTON, D4 c.

Patented M34125, 1913.

UNITED STATES PATEN T ()FFICE.

DANIEL H. MAHONEY, OF VINCENNES, INDIANA, ASSIGNOR TO THE MAHONEY RAIL- ROAD DI'ICI-IING MACHINE COMPANY, OF VINCENNES, INDIANA.

WHEELED EXCAVATOR 0R DITCHING-MACHINE.

Specification of Letters Patent.

Patented Mar. 25, 1913.

Application filed. November 5, 1910. Serial No. 590,894.

To all whom it may concern Be it known that I, DANIEL H. MAHONEY, a citizen of the United States, residing at Vincennes, in the county of Knox and State of Indiana, have invented certain new and useful Improvements in Wheeled Excavators or Ditching-Machines; 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.

This invention relates to improvements in wheeled excavators or ditching machines, the object being to provide improved means whereby a ditch or trench may be dug and the excavated material may be dumped or deposited either to one side of the ditch or trench or into a cart or wagon.

In carrying the invention forming the subject matter of this application for Letters-Patent into use, the platform of the machine is mounted upon wheels so that the entire machine may be moved from place to place either by animal power or a traction engine, and in use the carriage is anchored or blocked against rearward movement. The frame of the carriage is made up to maintain a pivotal arm to which the front end of a boom is connected, the rear end of this boom'being provided with an excavator or scoop, and in operation the boom is moved forward by suitable blocks and tackle which extend to a power driven drum. When the excavator or scoop has been moved forward means are actuated to elevate the rear end of the boom and its attached scoop and during such upward movement the rear end of the boom -is swung to one side and positions the scoop out of line with the ditch, when the contents of the scoop may be dropped either into a vehicle or to one side of the ditch or trench.

The means or instrumentalities constituting my invention are shown by the accompanying drawings, in which Figure 1 is a side elevation of a preferred form of excavating or ditching machine illustrated in 'accord with my invention. Fig. 2, is a plan view, and Fig. 3 is an end elevation viewed from the rear.

In the make up of my invention I provide a platform that is supported on wheels the running gear being of rigid construction the axles, reach, wheels and bolsters being made to sustain a heavy platform or-bed 1,

preferably made of I-beams 2 and '3' which extend longitudinally and are made fast to transverse bolsters 4 and 5 which are suitably connected to the axles. The bolster 4 has attached at or adjacent to its ends up rights which are connected by a transverse board which serves as a seat and upon the forward ends of the beams is secured a bar 6 the same being attached thereto and to the longitudinal beams which bar is of a length to extend beyond the beam 2 and to the projecting end a block is secured, a rope being passed through the block and through a block attached to the boom, as will be hereinafter set forth. The portion of the bar 6 between the longitudinal beams 2 and 3 not only serves as a part of the frame but also as a foot rest for the driver when seated upon the machine.

The longitudinal beams 2 and 3 carry the platform to which is secured a motor 9 and in the rear of the motor or engine there is a Windlass or winch 10 which is in gear with the motor, said winchhaving two drums for cables or ropes'll and 12, and a sheave or pulley 32 about which is turned a rope 31 for moving the boom rearward, the shaft that carries the sheave being in gear with a gear wheel on the shaft of the Windlass.

The rear bolster 5 extends beyond the beam 3 and to the bolster and beam there is secured an upright or mast 7 that has adjacent to its upper end a clip or other suitable means for connecting thereto a swinging arm or I-beam 8, that is maintained at an inclination by a roller 22 attached to straps which are fastened to theupper face of the beam 8, the roller engaging the upper face of the bar 21 that is carried by the uprights 17 and 18. To maintain the mast in a fixed vertical position there are provided braces 13 and 1 1 that extend from the bolster 5 upward at an inclination the upper end of the brace extending beyond the mast. The mast is further braced by tierods 15 and 16 which ext-end from the upper end of the mast 7 to the horizontal bar of a frame which consists of uprights l7 and 18, the forward upright being secured at its lower end to the beam 2 and the lower end of the upright 18 being made fast to an extension 19 of the beam 2, a strut or brace 20 being secured to the lower end of the upright and extending therefrom downward beneath the rear axle and then forward and upward to the underside of the beam 2. The horizontal bar 21 which is maintained by the uprights 17 and 18, provides a bearing for the roller 22 on the swinging beam 8. The bar 21 is braced to the mast by stay-rods 15 and 16, and from the bar 21 extend rods or braces 24 and 25. The mast is also braced by a stay 26 secured at one end to the beam 3 and at its upper end to the end of the brace 13 that extends beyond the mast 7. Projecting forward from the upright 17 are two horizontal and parallel angle-bars 27 sup ported to provide between them a slot, the forward ends of the bars 27 being connected by a plate 28, and an inclined brace extends from the bars 27 to the forward end of the beam 2. A horizontally swinging arm 29 is pivoted to the seat supporting frame at a point about on a vertical line with the forward axle and said arm passes through the slot between the angle-bars 27 and carries between its fulcrum and the bars 27, an eyeband 30 to which a rope 31 is attached such rope extending rearward and being wrapped about the sheave 32 and from thence rearward, so that when the rear end of the rope 31 is rendered taut, by being drawn upon to effect frictional engagement with the sheave 32, the arm 29 and boom 33 will be moved rearward. The boom 33 is connected to the outer end of the arm 29 by a swivel 34 and the rear end of the boom has attached a scoop or dipper 35 of anv suitable construction, such scoop 35 being pivotally connected to downward extending members 36 carried by the rear end of the boom. The scoop is provided in practice with the usual means for holding it in operative position for excavating and for dumping when it is elevated, which means may be as shown in Patents No. 701,593 dated June 3, 1902 and No. 830,090 dated September 4, 1906.

To the underside of the boom 33 there is secured a block 37, a rope 11 attached to the block 38 carried by the end of the bar 6 extends from the block 38 about the sheaves of the blocks 37 and 38 to a guide roller 39 on the platform to one of the drums of the windlass 10. The boo-m has also attached thereto adjacent to its rear end and slightly in advance of the scoop a block 40 and the swinging arm or beam 8'has in sliding connection therewith a block 41 which carries on its underside buffers 42 the space between the buffers being adapted to receive a part of the block 40 when the blocks are in contact. The side pieces of the block 41 are connected pivotally to side extensions 43 that have rollers which engage the lower flange of the beam 8, and such beam has perforations to receive a stop pin 44 which maintains the block .41 upon the beam and this pin may be changed to position to vary the width of the ditch or trench. The hoisting and lowering rope 12 is passed about the sheaves of the blocks 40 and 41 and from the upper block is guided over rollers 4-5, 46 and 47 to the drum of the windlass. The windlass which is driven from the motor is provided with suitable levers for actuating means rendering the drive gear idle or in operative engagement with either of the drums as desired, and as no claims are laid specifically to the windlass in this application a detailed description thereof is deemed unnecessary.

In use the ditching machine is drawn by animals or a traction engine to the place desired, the machine is then anchored against rearward movement, and during operation of digging the ditch or trench the machine may be advanced step by step. When the scoop or dipper is in an elevated position to lower the same so that the parts will be in a position for use as shown by Fig. 2, in dotted lines, the drums of the windlass are permitted to rotate, the parts assuming the position indicated. hen the scoop or excavator has been lowered by gravity from an elevated position, the operator by means of the drum draws upon the cable 11 to move the blocks 37 and 38 toward each other until the arm 29 reaches the forward end of its guideway, such movement filling the scoop and bringing the same with the boom and the arm to the position shown by the dotted lines on Fig. 2, and during such movement the rope 31 is paid out as the arm is moved forward. The parts indicated by the dotted lines being so positioned the drum of the windlass over which the rope 11 is passed is held against rotation and the other drum of the windlass is put in action to wind the rope and draw the blocks 40 and 41 in contact one with the other to raise the rear end of the boom and its attached scoop. By continuing the turning of the drum the block 41 is caused to move upward along the inclined beam 8, and when the scoop has passed the vertical support 18, the drum about which the rope 11 is wound is released and when the scoop has reached the desired position laterally the rope 31 is drawn upon and the smaller drum 32 is caused to rotate to move the arm, the scoop and excavator rearward, the movement of such parts also moving the beam 8 rearward. The movement of the boom and excavator rearward determines where the contents of the excavator will bedeposited, such excavator being dumped by any suitable trip.

It will be noted that the frame is made up of straight bars which are connected and braced to meet the strains to which such an implement or machine will be subjected in use, the motor, windlass and the trip for discharging the contents of the scoop or excavator are of any approved construction and a further description of these parts are deemed unnecessary.

I claim 1. In a ditching machine, a main frame, a mast maintained to extend above one side of the main frame, a horizontal beam maintained by the opposite side of the main frame, a beam maintained in swinging engagement with the upper portion of the mast and extending under the horizontal beam and beyond the same,-means attached to the beam for engagement with the horizontal beam so that the beam will be in slidable engage ment with the beam, a boom having at its rear end an excavator, means for associating the boom with the beam to effect an upward and then a lateral movement of the rear end of the boom and its attached excavator and means for operatively connecting the boom with the main frame.

2. In a ditching machine, a main frame,

a mast maintained by one side of the main frame, a horizontal beam maintained by the opposite side of the main frame from the mast, a beam pivoted to the mast, means for associating the beam in slidable engagement with the horizontal beam, a boom, an excavator attached to the rear end of the boom, means for connecting the boom with the beam that is pivoted to the mast, a horizontally movable arm attached to the main frame to extend beyond one side of the main frame, means for pivotally connecting the outer end of the horizontal arm with the forward end of the boom and means attached to the boom and to the frame for effecting forward movement of the arm and boom.

3. In a ditching machine, a wheeled support or platform, a mast attached to one side of the support or platform, uprights attached to the opposite side of the support or platform, a horizontal beam attached to the uprights, a beam pivoted to the mast to extend therefrom beneath and beyond the horizontal beam, a boom provided at its rear end with an excavator, a block mounted to slide upon the beam that is pivoted to the mast, a block attached adjacent to the rear end of the boom, a horizontally maintained arm, means for maintaining the hori- .zontal arm in swinging engagement with the support or platform, means for connecting the forward end of the boom with the outer end of the horizontally maintained arm, means attached to the boom and to the support or platform for efiecting movement of the boom and arm in one direction, means engaging the sheaves of the blocks for hoisting the rear end of the boom and moving the same laterally and means for moving the horizontally maintained arm and the boom rearward.

4. In a ditching machine, a frame, a horizontally movable arm pivoted to the forward portion of the frame said arm extending beyond the opposite side of the frame from which it is pivoted, a mast on one side of the frame, a horizontally maintained beam on the opposite side of the frame from the mast, an 1ncl1ned beam pivoted to the mast, means for associating the inclined beam in mov-- able relation with the horizontal beam, a block slidable upon the inclined beam, a boom having at its rear end an excavator, means for connecting the forward end of the boom to the outer end of the horizontally movable arm and means for connecting the slidable block with the boom.

5. In a ditching machine, a main frame, an arm pivoted at one end to the frame the Opposite end of the arm extending beyond the side of the frame, a boom attached at its forward end to the outer end of the arm, an excavator attached to the rear end of the boom, a block attached to the forward portion of the main frame, a block attached to the underside of the boom, means engaging said blocks to move the boom and the arm forward, and means engaging the arm to move the arm and the boom rearward.

6. In a ditching machine having a wheel supported frame, a horizontally movable arm that extends beyond one side of the frame, a boom provided at one end with an excavator, means for connecting the boom with the arm, blocks attached to the boom and to the frame, a drum mounted upon the frame, a flexible connection that engages the blocks and the drum and means for hoisting the rear end of the boom and its attached excavator comprising blocks, a flexible connection and a pivoted beam for one of the blocks such block being maintained in movable engagement with the pivoted beam.

7 In a ditching machine, a frame provided with a mast, a beam maintained in swinging engagement with the mast, a

frame by which the beam is maintained in an inclined position, a block adapted to move upon the inclined beam, a boom and its associated excavator maintained to be susceptible of an upward and a lateral movement, a block attached to the boom, and a flexible connection for engagement with the sheaves of the blocks and a flexible connection which extends to the mast and from thence to a drum 011 the platform supported by the frame.

8. In a ditching machine, a platform mounted on axles that have supporting wheels, a motor, a windlass having drums which are rotated by the motor, a horizontally movable arm which is pivoted at one end to the platform, guide-bars for the arm, a boom pivotally connected to the end of the arm'thatprojects beyond the guidebars, an excavator attached to the boom to depend below the rear end of the same, means for simultaneously moving the boom, arm and excavator forward, a mast, a frame comprising a horizontally maintained beam,

a beam pivoted to the mast and movable along a partof the horizontally maintained bar, a block carried in movable engagement with the bar, a block connected to the rearward portion of the boom, means for connecting the blocks which extends to guides on the mast and platform to one of the drums of the Windlass, and a connection between the arm and another drum of the Windlass.

9. In a ditching machine of the type shown, a frame, an arm associated with the forward portion of the frame to extend to 'one side of the same and to be swung horizontally, a boom having an excavator attached to its rear end, means for pivotally connecting the forward end of the boom with the outer end of the arm, means for moving the boom and the arm, a mast, a beam pivoted to the mast, means for maintaining the beam in an inclined position, a sliding block that engages the inclined beam, a flexible connection associated with the boom; the sliding block and the mast to effect upward and then an upward and lat eral movement of the rear end of the boom.

In testimony whereof I aflix my signature in the presence of two witnesses.

DANIEL H. MAHONEY.

Vitnesses JOSEPHINE C. DUESTERBERY, C. B. KEssINoER.

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

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