Mechanical Machines/Dredgers TRIZ Cases

A coupler assembly uses a pivoted retention member to secure pins during implement hitching operations.

Hybrid control switches from feedback to open loop near the target position, reducing stopping shock and hunting while maintaining high accuracy.

Measuring arrangement determines three-dimensional location and orientation of axles using position data gathered at different rotation angles.

Offset parallel gear axes increase torque delivery while preventing component interference during blade rotation.

Flexible plastic liner replaces concrete pool walls to lower construction costs while providing tropical beach appearance and water sports space.

A handling machine control unit detects console position to adapt operations, resolving the trade-off between device complexity and operator safety.

Information processing device weights operation signals to calculate target velocity for semi-automatic excavating shaping work.

Specific upper and lower arc angles resolve the contradiction between high capacity and operational wear by optimizing mechanical stress distribution.

Free-rotating excavating bits on a symmetric cutter head distribute cutting forces, extending tool life in hard material dredging.

An exoskeletal structure of coupled cast components reduces drag energy and increases payload capacity in heavy duty excavator buckets.

A lift attachment apparatus uses a wheel fulcrum to amplify loader input force into greater output lift.

Dynamic control reduces sudden boom raising actions near the target surface, improving operator comfort during filling work.

Gravity sensors feed real-time data to a controller that synchronizes arm and implement movement, preventing material spillage on uneven ground.

A rotatable bucket wheel assembly features a demountable structural frame for rapid boom decoupling and unit transport.

Controller calculates excavator blade wear using sensor coordinates to eliminate time-consuming manual measurement and input.

A control device adjusts operation reaction force on operating units to guide the bucket tip along a target trajectory.

An adjustable handle assembly uses clasping elements and a pivot pin to secure grip on cylindrical barrels.

A construction machine guidance display integrates real-time obstacle position data onto a single screen for the operator.

Stored maintenance passes guide automated blade positioning to eliminate manual control variability and ensure consistent unpaved road maintenance quality.

Lever steering control unit disables actuator motion during engine start, preventing steering lever malfunctions caused by complex switch conditions.

Varying thickness base plates form a torque tube that distributes stress, reducing weight while maintaining load capacity.

Hierarchical controller minimizes deviation between actual and desired cut profile using laser or GPS feedback.

Sealed cartridge assemblies prevent debris entry at pivot pin locations, extending bushing lifespan in mining equipment.

Moving the shock absorber into the frame unit removes visual obstruction from the driver's line of sight while maintaining hydraulic functionality.

Controller automates gear and throttle adjustments during mode transitions, reducing operator fatigue while maintaining system complexity.

A neural network analyzes optical sensor images to identify ground engaging tool contact, resolving precision gaps in automated surface preparation.

Automated guidance compensates for cross-track errors by integrating steering and moldboard metrics, reducing operator fatigue.

Segmented target profiles optimize material displacement volume while preventing machine overburdening during autonomous operation.

Heat-insulating windbreak plate blocks radiator fan airflow to prevent thermal interference with exhaust purification device in counterweight.

A mast assembly tool unit connects via guided hydraulic couplings and locking bolts.

Segmented jaw assemblies pivot to grip mounting pins, reducing coupler weight and boosting payload capacity.

A pivot platform assembly rotates between lowered and raised positions to support loads and expose ground engaging components.

A wheel loader controller calculates load weight by measuring hydraulic force change rates across lift arm angles.

Guide pin aligns sub frame engaging portions, reducing attachment time on inclined vehicles.

Dual actuators and a shuttle valve direct compressed air through a flow valve, preventing damage to buried objects during excavation.

Nesting a fan inside a hollow oil tank structure cools refrigerant and hydraulic oil within limited excavator space.

Segmenting distance data into multiple indicating parts resolves operator attention loss during excavation by providing intuitive spatial awareness.

An electronic auxiliary control unit mediates between sensor inputs and existing hydraulics, enabling versatile retrofitting without system modification.

Hydraulic cylinders pivot arms to lock grapple shells, eliminating manual fastening hazards.

A loader control system detects wheel slip during shoveling operations and adjusts drive motor torque to maintain traction.

Pump amperage feedback dynamically regulates cutter head speed, preventing discharge line plugging while maximizing cutting productivity.

A hydrostatic lifting unit uses pressure detection to estimate load position without mechanical sensors.

A central connection plate with a projection reinforces the pivoting support area on a boom assembly side plate.

Automated hydraulic latching system with height sensing prevents accidental detachment during manual attachment changes.

A lifting arrangement merges control and lift arms to rotate loads via a single actuator.

Oblique guide surface directs hydraulic hose curvature during console box movement to prevent deformation.

A locking pin with outward dowels engages a retaining member seat via biasing force to secure excavator wear assemblies.