Mechanical Machines/Dredgers TRIZ Cases

Controller restricts boom lowering speed and bucket pressing force to prevent slope collapse and excavator lift during finishing.

Visual SLAM algorithms process camera images to generate accurate terrain models, replacing satellite positioning for precise earthmoving.

Integrating cross members with a frame member to form a grille structure, while using a pressing member to control lock movement direction.

An internal hose routing design expands cabin width by relocating hydraulic lines from the restricted space between the operator seat and booms.

Axial force sensors feed a control module that limits crowding forces, preventing boom jack damage and torsion stress during material handling.

Direct pin insertion into lift arm holes eliminates complex tray mechanisms, preventing actuator malfunctions during maintenance.

Segmented bearing design isolates the rotor from external radial loads, reducing stress on internal bearings.

A bucket with a curved innermost portion increases capacity while preventing boom interference during travel.

An arm angle sensor detects lift arm orientation to disengage detent holding functions, preventing unintended lever movement beyond safe limits.

A secondary control device detects critical errors in work machine implements using reduced functionality processing techniques.

Screen classifier removes fine sediment from slurry to minimize seabed disturbance while maintaining high nodule recovery efficiency.

Enclosed hydraulic actuators with dynamic mode switching resolve the trade-off between system complexity and adaptability for asymmetric workpieces.

A variable connection size excavator mast device uses adjustable fixed and sliding pins to accommodate varied mast geometries.

Predictive controller raises hydraulic pump discharge before excavation loads increase, maintaining supercharging pressure and preventing engine stall.

Manoeuvre stick and spring mechanism move locking pin to prevent accidental boom lowering without heavy handling.

Bidirectional valve prevents unintended actuator movement by blocking oil backflow through double cone seals.

A slurry wall cutter uses a segmented sealing chamber with independent pressure compensation to isolate drive lubrication from external fluid ingress.

A blade control system adjusts proportional valve open ratios to elevate cutting edges dynamically.

A pivotally mounted coupler block aligns hydraulic and electrical connections on an implement carrier frame.

A control device specifies work vehicle travel direction using pitch angle and blade position data.

A coupling device nests swivel pivot bearings radially outside rotary pivot bearings to reduce overall height and weight.

A tool-holding frame uses proximity sensors to verify eyelet positioning and attachment status before locking.

Processor generates a design plane in a vehicle body coordinate system to control work equipment position relative to the swing body.

Electronic control module adjusts target ground speed using sensor data and deceleration logic.

Replacing motor-driven pumps with a pneumatic discharge chamber eliminates sediment damage and reduces infrastructure complexity for dewatering applications.

A control computer updates a three-dimensional stockpile model using deterministic physics simulation to track bulk material movement during stacking and dumping operations.

Segmenting the electric drive machine into modular assemblies reduces maintenance downtime by allowing independent component extraction from the chassis.

Acoustic measuring means detect seabed heights ahead of the suction head, enabling dynamic height adjustment that maintains optimal collection efficiency.

Curved structure support plates distribute unbalanced loads across the thumb while resisting torsion forces that flat designs cannot handle.

An acceleration correcting unit removes centrifugal effects from sensor data, enabling precise swing angle calculation despite offset mounting positions.

A rope cam dipper hoist attachment assembly directly couples the hoist rope to the dipper body using integrated cams and guides.

Control architecture automates rotary excavating implement heading to reduce operator fatigue and improve productivity.

A separable conduit connection between a vacuum tank and blower enables rapid pressure equalization without reversing airflow through the pump.

Display controller aligns work device images with actual positions to resolve operator discomfort from inaccurate representations.

A manoeuvrable trailing dredging vessel propulsion system with a single gear and dual transmission shafts for optimal engine operation.

Smartphones detect slope at defined work machine locations, automating IMU calibration and eliminating manual data entry errors.

Segmented twin actuators reduce stowed height and material costs while maintaining lifting capability.

Electronic control unit automatically aligns bucket rotating axis vertically with work area, reducing manual adjustment complexity.

Sloped lateral side sections create internal pockets to expand filling volume without increasing tipping dimensions, resolving productivity trade-offs.

A work machine control system calculates an extended target shape to guide bucket rotation and positioning.

Scanning devices capture bucket data to determine fill parameters, replacing subjective human judgment with automated accuracy.

Controller calculates blade position using a single swing-mounted GNSS antenna and height sensor data.

Hydraulically driven wedge mechanism secures implement attachments using segmented rib interfaces and threaded pin systems.

A shovel system uses pose sensors to identify end attachments and adjust control parameters for efficient operation.

Curved front faces on the blade device reduce soil adhesion and horsepower consumption during earthmoving operations.

Controller detects tire slip via machine acceleration data to prevent damage without adding complex wheel speed sensors.

A skid-steer loader cab features a full-length hinged access door mounted on U-shaped frames to provide unobstructed operator entry.