Mechanical rope grab

  • Mechanical rope grab
Mechanical rope grab

Mechanical rope grab

  • Mechanical rope grab
  • Mechanical rope grab
  • Product description: Mechanical rope grab
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Mechanical rope grab

Four rope




1.Technical parameter:

Item

4 rope Grab Clamshell model

Model

FRB

Volume(Stacking angle)

20m3

SWL:(Ton)

25

Density(Ton/m3)

1.1

Dia.of Pulley(mm)

720

Dia.of Rope mm

Φ32

Rate

4

Dead weight: (Ton)

9.5



2.Structure

The grab has six main parts, including deck beam, through beam, stay bar, guide rope device, scoop, pulley blocks and so on.

The stay bar is made in box structure, which has advantages of bending resistance and compression resistance. The ends of the stay bar separately connect with the axes of the deck beam and scoop.

The scoop is shell structure, which connects with the through beam and stay bar via axes.The deck beam connects with the stay bar via axis. There is pulley block.

The ends of the through beam connects with central hole of the scoop via axes. In order to make the grab have enough rigidity and intensity, the material of the structure is 16Mn.

3.Grab material:

1) SCOOP                               Q345B

2) Pulley:                                 Q345B hot rolled

3) Pulley axes:                  42CrMo,strengthened

4) Pulley axletree               Famous-brand bearing of China

5) Axes:                                   42CrMo,strengthened

6 Bushing ZGMn13

7) Bottom lips                    HARDOX500



4.Paint:

1)All the surface of the steel structure is sand-shot to Sa2.5 grade.

2)Two-tier primer, two-tier middle paint, two-top paint, thickness of coating more than 200 µm

3)Color of top paint: According to the customer request


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