grab

Grab Buckets

  • Rated load capacity: 3.2t-63t
  • Grab volume: 0.2m³-60m³
  • Model: Hydraulic and mechanical grab
  • Material: Q345B, Hardox 400, Q4600, NM400
Reference Price
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Introduction

Electric Hydraulic Clamshell Grab is simple in structure, easy to operate and stable in working under severe circumstances.

It is mainly designed for handling of power and fine bulk materials such as chemicals, fertilizer, grain, coal, coke, iron ore, sand, particle construction materials, and smashed rocks, etc.

It has been widely used in ports, steel plants, power stations, ships and garbage treatment, plants, and is used together with tower cranes, ship cranes, ship unloaders, traveling cranes and other types of cranes. The grab has its own hydraulic system. With double oil cylinders drive and high strength steel production. With big closing force, excellent mining properties, and high work efficiency. Hydraulic turning points according to the customers' demand, Without hydraulic rotary excavator grab use the oil cylinder or standby line, don't need to add other hydraulic valve block and line. Rotary hydraulic excavator grab needs add another set of hydraulic valve and pipeline to control, oil cylinder makes the piston protective device.

Capacity

Model Volume(m³) Rate of material t/m³ Dia of Pulley Dia of steel rope open and close time(sec) Usage crane capacity
1U1 1 >1.8-2.9 Φ350 Φ14-16 11 5
U2 1.5 >1.0-1.8 Φ350 Φ14-16 12.5 5
U3 2.5 >0.5-1.0 Φ350 Φ14-16 8 5
U4 2 >1.8-2.9 Φ500 Φ18-20 15 10
U5 3 >1.0-1.8 Φ500 Φ18-20 15 10
U6 5 >0.5-1 Φ500 Φ18-20 10 10
U7 3 >1.8-2.9 Φ610 Φ21.5 15.3 10

Types

Mechanical Clamshell:

  • Heat-treated steel combines light weight with rugged strength.
  • Pins and shafts are heat-treated steel of adequate size to prevent breakage and promote long service life.
  • Heat-treated sheaves and hardened fairlead rollers mounted on roller bearing.

Hydraulic Clamshell:

  • The dual hydraulic cylinders/rams mounted on the outer rim of the bucket provide the excellent digging force.
  • The bowls radius has been optimizing to math with the locus of the hydraulic cylinder/rams to deliver consistency full load for maximum productivity.

Electro-hydraulic motor Orange peel grapple:

  • Electro-Hydraulic Orange Peel Grabs are designed to be operated on One Rope Cranes.
  • The Grabs are executed with their own hydraulic system activated by an electromotor.
  • The hydraulic cylinders are fully protected through the frame.
  • Strong teeth ends are incorporated. These orange Peel Grabs are suitable for handling scrap, woodchips, domestic waste materials, and rock dumping.

Mechanical Orange Peel Grapples:

  • Execution/ Options
  • Number of peels 3,4,5,6,7 or 8
  • Open, half open or closed design
  • Interchangeable teeth'

Design Features

mutivalve grab design

  • Reasonable structure, excellent performance
  • Soft starting and stopping
  • Safe and reliable traveling
  • Low noise, commodious cabin and open view
  • Low maintenance, easy replacement of parts and components

Parameters

Model Volume - m³ Dead weight - t Capacity of crane - t Total power - kw Closing time - s Size -mm
H H1 A B
DYZ3[0.5]1.5 0.5 1.5 3.2 11 10 2180 1880 4570 2160
DYZ3[0.6]1.6 0.6 1.7 3.2 11 11 2190 1900 1600 2220
DYZ5[0.8]2.0 0.8 2.0 5 15 13 2380 1980 1700 2480
DYZ10[2.0]4.2 2 4.2 10 22 16 3330 2820 2220 3400
DYZ5[2.5]2.6 2.5 2.6 5 18.5 17 3214 2895 2247 3572
DYZ10[3.0]3.8 3.0 3.8 10 18.5 20 3214 2876 2500 3680
DYZ10[5.5]4.3 5.0 4.3 10 22 19 3720 3295 3000 4400
DYZ16[2.5]5.5 2.5 5.5 16 30 16 3690 3127 2420 3600
DYZ16[8.0]5.6 8.0 5.6 16 30 19 3930 3294 3460 5280
DYZ20[4.0]7 4.0 7 20 37 17 3820 3310 2680 4200
DYZ20[12]8 12 8 20 37 25 4560 4100 3900 5500
DYZ25[17]9 17 9 25 45 26 4780 4400 4200 6000
DYZ30[20]11 20 11 30 45 28 4889 4550 4400 6300

Specifications

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