Marine steel grab buckets

Grab is to grab sediment and all kinds of bulk cargo can open and close the bucket. It is a mainly by about two or more combined bucket jaw plate grab opening and unloading bulk material spreader. Grab bucket is composed of a plurality of jaw plates also called gripper.   

Classification according to the shape 

According to the shape can be divided into the Shell type grab and orange peel grab, the former is composed of two full bucket, the latter by three or more of the jaw.

Classification according to the drive mode 

According to the drive mode can be divided into two categories, hydraulic grab and mechanical grab.

Hydraulic grab

Hydraulic grab the structure with opening and closing, and generally use the hydraulic oil cylinder driving, made up of multiple jaw hydraulic grab also called hydraulic claw.Hydraulic grab is widely used in hydraulic class specialized equipment, such as hydraulic excavators, hydraulic lifting tower, etc.

Hydraulic grab bucket hydraulic components products, by the hydraulic oil cylinder, the bucket (jaw), connecting columns, the ear plate, fights the earmuffs, bucket teeth, tooth block and other Spare Parts, so welding is hydraulic grab the key production processes, the structure of the welding quality directly affects the hydraulic grab strength and service life.The hydraulic oil cylinder is also the most critical driving parts.

Hydraulic grab is a special industry equipment accessories, need special equipment to high efficiency, high quality of work, such as CNC plasma cutting machine, bevel edge milling machine, bending machines, welding displacement machine, boring machine, hydraulic test rig and so on.

Special hydraulic excavator grab divided into rotary and not turning two, do not turn back to grab the excavator bucket cylinder oil, don't need to add other hydraulic valve block and line;Turn back to grab to add a set of hydraulic valve block and line to control.

A special hydraulic excavator grab applicable occasions:

1, building foundation pit excavation, deep pit excavation, gravel and clay, sand, coal loading.

2, particularly applicable to ditch or restricted space on one side of the excavation and loading.

3, is suitable for loading and unloading ships, trains, cars.

Our service

Besides above the general specifications, we can also supply some specific pontoons and other similar steel structure as clients' requirements.

Package and shipping

bulk package and bulk vessel transportation

frame container package and frame container transportation

Quality management

UniSite have a perfect managing system and quality control system which from initial work.  
ISO9001-2008/CCS; BV manufacturer capability qualification.
Taken part in the CHINA DREDGING ASSOCIATION
Quality, health, safety and environment (QHSE) 
Production guidelines
In-house safety training to our staff
Checking all the production equipment periodically
Preventing pollution, accidents and health hazards, auditing

UniSite`s core activity: serve for dredging and marine projects .Provide service and relevant parts for dredgers, including Dredger construction, repairing and maintenance.Provide items for dredging, land reclamation, offshore, marine engineering, piling works, municipal engineering, mechanical engineering, oilfield projects and environmental remediation projects.

Photos of our Marine steel grab buckets

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Product Categories : Steel Structures > Grab