Product Details

Clamshell crane grab

Product description

1. Brief introduction of crane grab

Grab bucket has no retractable structure, and is usually driven by ropes or connecting

rod force. According to operating characteristics, it can be divided into single rope grab

and twin rope grab which is in the most common.

1.Single-grab: support rope and open closed rope use the same one. Through special

lock catch device, wire rope can take turns to play the role of supporting, opening and

closing. The coiler mechanism of single coiler is simple, but production efficiency is low,

so it is not often used when a factory has a large number of loading and unloading.

2. Double-rope grab: there are supporting rope and open closed rope which are

respectively around the coiling block of supporting mechanism and opening/closing

mechanism. It has such features as reliable work, simple operation, high production

efficiency and wide application.It will be four-rope grab after adopting two groups of

double ropes, and it has the same working course as double-rope grab.

2. Features of crane grab

1). Suitable to grab sand,coal,grain, slag, scrap
2). through beam is shortened,high strength,light self weight
3). main shaft sleeve is of bearing steel,Pin shaft material is 40Cr
4). High temperature resistant bearing for pulley
5). knife edge plate adopts wear-resisting steel plate,adopts multilayer sealing craft
6). dirt proof and water proof and it could be underwater operation.
7). Clearance of two knife dege plate is very small,0.3mm,good sealing, keep working site clean.
8). whole structure is strong andnot distortion,good sealing.

3. Advantages of crane grab

1) Reasonable structure
2) Favorable performance
3) Smooth starting and stopping
4) Safe and reliable traveling
5) Low noise, commodious cabin and good view
6) Convenient maintenance, excellent exchangeability for parts and components
7) Electricity-saving

Application

4. Application of crane grab

Hydraulic grab bucket is widely used in ship, port, railway station, factory, mine and

material stock, station, coal yard to conduct lifting bulk cargo such as coal, ore

powder, fertilizer and sand.

5. Working environment of crane grab

1.The working environment temperature is -25 °C ~ +45 °C,

2.not be used in explosion, flammable, corrosive, toxic places, etc.

3.Please noticed in advanced when to grab underwater materials or special

materialsIt's not suitable for lifting blazing & melting metal

4.The crane can be used for both indoor and outdoor operations and water proof

cloth is needed in out door operation.