Dragline bucket and work machines, systems, and assemblies thereof

Abstract

A dragline bucket can comprise a bottom wall; a first sidewall defining a first upper edge; a second sidewall opposite the first sidewall defining a second upper edge; a first forward-facing projection on a first side of the dragline bucket; a second forward-facing projection on a second side of the dragline bucket opposite the first side; a lip assembly at a front of the bottom wall; and an arm extending from the first side to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls. In a side elevational view of the dragline bucket, the arm is tilted away from the rear wall at an angle relative to vertical.

1 . A dragline bucket comprising:
 a bottom wall;   a first sidewall extending from the bottom wall and defining a first upper edge;   a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge;   a first forward-facing drag lug on a first side of the dragline bucket;   a second forward-facing drag lung on a second side of the dragline bucket opposite the first side;   a lip assembly at a front of the bottom wall; and   an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls,   wherein each of the first and second forward-facing drag lugs has an attachment point,   wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction,   wherein a forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and   wherein the dragline bucket satisfies the following equations:
     W/L= 0.91 to 1.30; 
     FH/L= 0.47 to 0.63; 
     BH/L= 0.52 to 0.70; and 
     BH/FH= 1.06 to 1.18, where 
 FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, 
 W is a width of a mouth of the dragline bucket, 
 BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and 
 L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket. 
   
     
     
         2 . The dragline bucket according to  claim 1 , wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm. 
     
     
         3 . The dragline bucket according to  claim 1 , wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive. 
     
     
         4 . The dragline bucket according to  claim 1 ,
 wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and   wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.   
     
     
         5 . The dragline bucket according to  claim 1 , wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel. 
     
     
         6 . The dragline bucket according to  claim 1 , further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm,
 wherein the first sidewall has a first window portion having a single uniform plate thickness, and   wherein the second sidewall has a second window portion having the single uniform plate thickness.   
     
     
         7 . A dragline bucket comprising:
 a bottom wall;   a first sidewall extending from the bottom wall and defining a first upper edge;   a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge;   a first forward-facing drag lug on a first side of the dragline bucket;   a second forward-facing drag lung on a second side of the dragline bucket opposite the first side;   a lip assembly at a front of the bottom wall; and   an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls,   wherein each of the first and second forward-facing drag lugs has an attachment point,   wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction,   wherein the forward-most edge of the arm does not overlap the attachment points of the first and second forward-facing drag lugs in the vertical direction, and   wherein the dragline bucket satisfies the following equations:
     W/L= 0.91 to 1.30; 
     FH/L= 0.47 to 0.63; 
     BH/L= 0.52 to 0.70; and 
     BH/FH= 1.06 to 1.18, where 
 FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, 
 W is a width of a mouth of the dragline bucket, 
 BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and 
 L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket. 
   
     
     
         8 . The dragline machine according to  claim 7 , wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm. 
     
     
         9 . The dragline bucket according to  claim 7 , wherein the arm is titled away from the rear wall at an angle relative to a vertical plane extending through a forward-most edge of the arm, the angle being from 17.5 degrees to 22.5 degrees, inclusive. 
     
     
         10 . The bucket machine according to  claim 7 ,
 wherein in the side elevational view of the dragline bucket, the first forward-facing drag lug extends in a forward direction more than each of the arm and the lip assembly, and   wherein in the side elevational view of the dragline bucket, the second forward-facing drag lug extends in the forward direction more than each of the arm and the lip assembly.   
     
     
         11 . The dragline bucket according to  claim 7 , wherein the dragline bucket further includes a cutout portion between the arm and each of the first and second forward-facing drag lugs. 
     
     
         12 . The dragline bucket according to  claim 7 , wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel. 
     
     
         13 . The dragline bucket according to  claim 7 , further comprising one or more dump anchors each having a connection interface, each of the one or more dump anchors being welded to an upper surface of the arm,
 wherein the first sidewall has a first window portion having a single uniform plate thickness, and   wherein the second sidewall has a second window portion having the single uniform plate thickness.   
     
     
         14 . A method comprising:
 providing a dragline bucket, the dragline bucket including:
 a bottom wall; 
 a first sidewall extending from the bottom wall and defining a first upper edge; 
 a second sidewall opposite the first sidewall, extending from the bottom wall, and defining a second upper edge; 
 a first forward-facing drag lug on a first side of the dragline bucket; 
 a second forward-facing drag lung on a second side of the dragline bucket opposite the first side; 
 a lip assembly at a front of the bottom wall; and 
 an arm extending from the first side of the dragline bucket to the second side of the dragline bucket, a distal end of the arm being at a height greater than a height of respective first and second upper edges of the first and second sidewalls, 
   wherein a portion of the arm overlaps a portion of the lip assembly in a vertical direction, and   wherein the dragline bucket satisfies the following equations:
     W/L= 0.91 to 1.30; 
     FH/L= 0.47 to 0.63; 
     BH/L= 0.52 to 0.70; and 
     BH/FH= 1.06 to 1.18, where 
 FH is a vertical distance from a first horizontal plane extending through the bottom wall to a second horizontal plane above the first horizontal plane and that extends at or under a base portion of the arm, 
 W is a width of a mouth of the dragline bucket, 
 BH is a dimension in the vertical direction from the first horizontal plane to a third horizontal plane extending through or at an uppermost portion of a body of the dragline bucket, and 
   L is a length from a first vertical plane extending through a lower capacity point of the dragline bucket to a second vertical plane extending through a rear-most portion of the body of the dragline bucket.   
     
     
         15 . The method according to  claim 14 , wherein the dragline bucket satisfies the following equations:
     W/L= 1.18 to 1.30;       FH/L= 0.57 to 0.63;       BH/L= 0.64 to 0.70; and       BH/FH= 1.06 to 1.18.   
     
     
         16 . The method bucket according to  claim 15 , wherein FH=2875 mm, L=4800 mm, BH=3229 mm, and/or W=5930 mm. 
     
     
         17 . The method bucket according to  claim 14 , wherein the dragline bucket satisfies the following equations:
     W/L= 0.91 to 1.01;       FH/L= 0.47 to 0.51;       BH/L= 0.52 to 0.58; and       BH/FH= 1.06 to 1.18.   
     
     
         18 . The method according to  claim 17 , wherein FH=2350 mm, L=4800 mm, BH=2640 mm, and/or W=4600 mm. 
     
     
         19 . The method according to  claim 14 , wherein the dragline bucket has a weight distribution from teeth to heel with a balance of 55% to 58% on the teeth and 42% to 45% on the heel.