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Double-flap Crane Grab Bucket

Type: Double-flap Crane Grab
Capacity: 0.5m³ ~ 15m³ (customized design supported)
Number of flaps: 2 petals (symmetrical structure)
Applications: Gantry crane, overhead crane, port crane, etc.
Overview
Features
Parameter
Application
Overview
The Double-flap Crane Grab Bucket is made of high-strength wear-resistant steel and consists of two symmetrical arc-shaped flaps, a support frame, and a hydraulic or wire rope drive system. It has a compact structure and uniform force. When closed, the two flaps fit tightly together to form a good sealing effect, effectively preventing the material from scattering. The key components have been reinforced to ensure durability under heavy loads and high-frequency operations, and are suitable for all kinds of harsh working conditions.

The grab controls the opening and closing of the double flaps through hydraulic cylinders or wire ropes. It has strong gripping force and quick response, and can efficiently handle bulk materials such as coal, sand, gravel, and grain. Its double-flap design takes into account the gripping range and depth, and is especially suitable for materials with poor fluidity (such as wet clay and waste slag). Some models are equipped with dust covers or weighing systems to further meet environmental protection and precision operation requirements. Compared with multi-flap grabs, its structure is simpler and the maintenance cost is lower, which is suitable for medium-scale material handling scenarios.

It is widely used in construction sites, small ports, grain storage and metallurgical industries, and is suitable for portal cranes, bridge cranes and other equipment. It performs well in loading and unloading loose materials (such as sand and gravel), and can also be used for short-distance transportation of scrap steel and industrial waste. Its lightweight design has low requirements for crane load, and is a cost-effective bulk material grabbing solution.
Features
Double-flap Crane Grab Bucket is an ideal choice for handling medium and low density bulk materials with its sturdy and durable structure, efficient grabbing capacity and low maintenance cost. Its symmetrical double-flap design provides strong closing force and good sealing, which can quickly grab materials such as coal, sand, gravel, grain, etc., while reducing leakage and dust pollution. It has a simple structure and light weight, which reduces the crane load and saves energy consumption. It is especially suitable for small and medium-sized ports, construction sites and warehousing and logistics scenes with frequent operations.
Reliable sealing, environmentally friendly and economical
The gap is small after the double-flap is closed, which effectively reduces material leakage and dust flying, and meets environmental protection requirements; high-strength wear-resistant steel extends the service life, with lower long-term investment costs and outstanding cost performance.
Efficient grabbing and stable operation
The symmetrical double-flap structure with a strong closing system ensures fast and uniform grabbing action, which is particularly suitable for bulk materials such as coal, sand, gravel, and grain. It has a large single operation volume and a short cycle, which significantly improves loading and unloading efficiency.
Simple structure and convenient maintenance
Compared with multi-flap grabs, the double-flap design has fewer mechanical parts, a low failure rate, and easier daily maintenance. Key components (such as hinge shafts and hydraulic cylinders) adopt a modular design, which can be replaced quickly, greatly reducing downtime and maintenance costs.
Lightweight design and strong adaptability
It has light weight and balanced force, and has low requirements for crane load. It can be adapted to small and medium-sized gantry, bridge cranes and port equipment, saving energy and electricity, and is especially suitable for short-distance operations with frequent handling.
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Parameter
Parameter category Parameter range/description
Model capacity 0.5m³  ~ 15m³  (customized design supported)
Applicable materials Medium and low density bulk materials such as coal, sand, grain, fertilizer, scrap steel, slag, etc.
Rated load 1 ~ 30 tons (matching with grab bucket capacity and crane)
Drive mode Hydraulic drive/wire rope mechanical drive (optional)
Number of flaps 2 petals (symmetrical structure)
Material Main body: high-strength wear-resistant steel
Applicable crane Gantry crane, bridge crane, port fixed crane, etc. (need to match lifting weight and opening and closing mechanism)

Double-flap Grab Bucket for Crane
Application
Double-flap Crane Grab Bucket is a general-purpose equipment for bulk material handling, especially suitable for medium-scale material handling needs. It is widely used in construction sites, small ports, grain storage and metallurgical industries, and is suitable for portal and bridge cranes. It performs well in loading and unloading loose materials (such as sand and gravel), and can also be used for short-distance transportation of scrap steel and industrial waste.
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Related Products

Multi-flap Crane Grab Bucket

Grab capacity
5~30 m³(depending on the specific model)
Applicable cranes
Gantry crane, overhead crane, port crane, etc.
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