Hydraulic diaphragm wall grab 1000mm trench length 2800mm for diaphragm wall construction

1000mm hydraulic diaphragm wall use on bauer-GB60S

1000MM hydraulic grabs for diaphragm wall pile

Tianjin huachang xingye technology co ltd hydraulic diaphragm wall grab is a specialized, heavy-duty excavation tool used to construct deep underground retaining walls (slurry walls) in varied soil conditions. Suspended from a duty-cycle crane, these grabs feature powerful hydraulic cylinders for high closing forces, with widths typically ranging from 600 mm to 1,500 mm. Advanced models include, or can be fitted with, 360° rotation and verticality correction systems to ensure precise, vertical excavation for deep foundations. 
Key Features and Capabilities:
High Performance: Designed for soft to tough soil, using weight and powerful closing force (up to 2 x 450 kN or more) for efficient excavation.
Verticality Control: Integrated sensors and correction plates (often with 3-axis monitoring) detect and correct deviations in real-time, allowing for deep excavations (>50m).
Versatility: Capable of cutting rectangular or semicircular sections for structural, water-stop, or bearing walls.
Operating Efficiency: Often feature 180° continuous rotation or swing systems for improved maneuvering and specialized panel shapes. 
Common Components:
Steel Frame: Robust structure to withstand high excavation forces.
Hydraulic Jaws/Grab: Powered by high-pressure fluid for cutting/grabbing.
Rotation Device: Allows for precise positioning of the grab within the trench.
Monitoring System: Sensors to track depth and, often, verticality and torsion.

Teeth  Various tooth options are available for maximum effective

ness in a wide range of soil conditions.

Our hydraulic diaphragm wall width from 2500mm,2800mm,3200mm can design according to your requirement

A 1000mm hydraulic diaphragm wall grab is a heavy-duty geotechnical excavation tool designed to cut high-precision, deep trenches for reinforced concrete diaphragm walls (slurry walls).

Compared to mechanical (rope-operated) grabs, hydraulic variants offer significantly higher closing forces, superior verticality control, and smoother operation, making them the standard choice for dense urban environments and challenging ground conditions.Typical Technical Specifications While exact specifications vary by , a standard 1000mm hydraulic grab generally falls within the following parameters:

Core Functional Features

1. High Clamping & Penetration Force

The heavy structural frame provides the static down-force required to penetrate hard soil strata. Once at the bottom of the trench, the integrated high-pressure hydraulic cylinders deliver immense closing force to the jaws, allowing the grab to cleanly shear through stiff clays, dense gravels, and weak rock.

2. Real-Time Verticality & Steering Systems

Maintaining vertical alignment is critical for structural continuity and watertightness at great depths. Modern 1000mm hydraulic grabs feature:

Inclinometer Sensors: Mounted inside the grab body to transmit precise X/Y-axis tilt data to the operator's cabin in real time.

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