Underwater Dredging Grab
Underwater dredging grab is a kind of efficient tool for loading and dredging silt, scree, sand, which is suitable to the crane with two drums or four drums used on the working site such as sea or river route, port, wharf.
Features and Performance1.The structure is simple,
2.The operation is easy,
3.The quality is sturdy and durable.
The lifting capacity of crane is normally 6t~110t. At present the domestic biggest underwater dredging grab is developed independently by our company.
Undereater Dredging Grab Drawing
Technical Specifications
|
Type&Size |
Grab Volume （m3） |
Weight (t) |
Dimensions(mm) |
Diameter of Sheave(mm) |
Multiplication Rate of the hoister Sling |
Crane Lifting Capacity (t) |
||||
|
A |
B |
C |
D |
E |
||||||
|
BS6SJ(1.0)4A |
1.0(0°) |
4.0 |
2380 |
3458 |
3533 |
4083 |
1320 |
560 |
5 |
6 |
|
BS12SJ(1.5)6.5A |
1.5(0°) |
6.5 |
3020 |
4039 |
3772 |
4532 |
1500 |
560 |
5 |
12 |
|
BS20SJ(5.0)8A |
5.0(30°) |
8.0 |
3260 |
5042 |
4502 |
5280 |
1820 |
650 |
4 |
20 |
|
BS30SJ(5.0)13B |
5.0(15°) |
13 |
3740 |
5450 |
4942 |
5916 |
2012 |
800 |
5 |
30 |
|
BS55SJ(5.5)35B |
5.5(0°) |
35 |
3960 |
5812 |
5614 |
6565 |
2150 |
880 |
6 |
55 |
|
CS45SJ(4.0)25AV |
4.0（25°） |
25 |
3840 |
5657 |
5748 |
6715 |
1950 |
880 |
6 |
45 |
|
CS46SJ(5.0)36BV |
5.0（25°） |
36 |
3600 |
5947 |
6164 |
7125 |
1940 |
880 |
6 |
45 |
|
CS45SJ(8.0)28AV |
8.0（25°） |
28 |
4040 |
6632 |
6494 |
7364 |
2102 |
880 |
6 |
45 |
|
CS55SJ(5.0)32B |
5.0(25°) |
32 |
3960 |
5734 |
7194 |
8167 |
1940 |
880 |
5 |
55 |
|
CS70SJ(16)48AV |
16(25°) |
48 |
5130 |
7712 |
7415 |
8724 |
2954 |
1045 |
6 |
70 |
|
CS80SJ(8.0)60AV |
8.0(25°) |
60 |
4130 |
6695 |
7189 |
7753 |
2530 |
1045 |
7 |
80 |
|
CS80SJ(11)55BV |
11(25°) |
55 |
5120 |
7780 |
7553 |
8924 |
2420 |
1045 |
7 |
55 |
|
CS200SJ(9.0)110BV |
9.0(25°) |
110 |
5465 |
7202 |
8666 |
10264 |
3000 |
1500 |
7 |
110 |
Note:1.As the products have been improved, we will not advice another. 2.We can design and produce the grab according to user’s demand.
Underwater Dredging Grab Working picture
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