Four Rope Grab Bucket

In all kinds of crane with two group of motor durm(motor hoist),each group motor durm lead two wire ropes, they make one group wire ropes rooted in the balance frame for supporting, another group of wire rope pass the up beam pulley and the down beam pulley, composite a pulley block as open and closed grab bucket.

Working beginning, support wire rope will lift the grab bucket in well place, and then shut down the support rope, reply on the dead weight of the down beam forced the down beam big shaft as center open the garb body.

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Description

Four Rope Grab Bucket Coiling Schemes

Four Rope Grab Bucket Technical Specifications

Model Volume (m3) The rate of material (t/m3) The Dia.of pulley (mm) The Dia.Of steel rope (mm) Grab self weight (t) Using crane ton(t) Remark
U1 1 ＞1.8-2.9 350 14-16 2.1 5
U2 1.5 ＞1.0-1.8 350 14-16 2.25 5
U3 2.5 ＞0.5-1.0 350 14-16 2.38 5
U4 2 ＞1.8-2.9 500 18-20 3.94 10
U5 3 ＞1.0-1.8 500 18-20 4.4 10
U6 5 ＞0.5-1.0 500 18-20 4.6 10
U7 3 ＞1.8-2.9 610 21.5 6.4 15
U8 4.5 ＞1.0-1.8 610 21.5 6.98 15
U21 2.5 0.86 400 16 2.83 5
U27 2 ＞1.0-1.16 400 16 2.5 5
U28 5 2 580 28 9.6 20 With Filler
U56 9 0.95 600 23.5 7.4 15
U67 1.5 ＞1.0-1.9 400 16 2.46 5 Tooth and underwater operation
U76 4.5 1.7 600 23.5 7.6 15 Parallel girders open
U126 3 ＞1.0-1.7 500 19.5 5 10 Filler,parallel girders open
U141 8 1 600 23.5 7.84 16
U155 10 1 700 28 9.8 20

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