Mechanical Machines/Dredgers TRIZ Cases

By recalculating each excavation start position from excavation and swing times, the machine keeps automatic digging cycles efficient as conditions change.

A spacer-based jaw adjustment with a retention element keeps the strut engaged under high crushing loads for fine output sizes.

By limiting solenoid valve current near cylinder stroke ends, this wheel loader control improves load weight accuracy without slowing work.

Pivoting side plates let a loader bucket switch between forward scooping and back-dragging to gather material near structures with less damage risk.

Acceleration-based lift and tilt control lets a wheel loader handle multiple excavation patterns with better fuel efficiency regardless of operator skill.

Boom position and work-surface data guide valve spool control to prevent shock during boom-up/down switching, reducing vibration and fatigue.

Articulation-angle sensing limits bucket shake when the machine body is unstable, reducing resonance, frame load, and operator fatigue.

A central computer identifies which tools are mounted on each machine and shows free attachments to prevent downtime and excess inventory.

Nested telescoping boom members and a single actuator keep an excavation vacuum hose supported in extended positions to prevent sagging and debris buildup.

Automatic front-facing control keeps an excavator's upper turning body aligned with the target work surface, reducing repetitive manual turning.

Rotating disks mix solidifying additive into high-moisture spoil, thickening it for easier discharge and standard waste disposal.

Multiple rotational axes let the boom and arm move to both sides, expanding construction machine working range without full mechanism rotation.

Sensor-based mode selection uses boom position, travel speed, and line pressure to cut operator workload and keep work vehicle response matched to conditions.

A double-curved lever nested between arm cheek sections boosts excavator lifting stability and upper-range force without widening the machine.

Automatic pump and valve dosing keeps hydro excavation additive concentration consistent, cutting waste, adjustment time, and vacuum interference.

A low-density liquid lifts collected seabed ores by ballast exchange, avoiding pressure-resistant tethers, high energy input, and deep-sea complexity.

Axially split coupling walls and relative rotation reduce joint load and wear at boom, arm, and bucket connections.

A single actuator drives dual-side latch plates and lock pins to automate implement coupling, cut manual effort, and show lock status clearly.

A mechanical pointer indicator tracks quick coupler rotation and tilt, verifying neutral alignment without electrical sensors or power.

Pivoting lateral wings and spring-loaded bottom sections let a road scraper follow uneven surfaces, vary width, and clear snow or ice in fewer passes.

A split coupling wall with spline grooves and pins lets construction machine joints rotate smoothly while reducing wear and maintenance.

A single-actuator latch uses spring-loaded lock pins and a visible indicator to automate implement attachment while reducing wear and manual labor.

A stop-guided locking bridge keeps quick-coupler bolts in a minimum locking position, preventing attachment release under external force or hydraulic failure.

Force-based control emulates hydraulic port relief in electric power machines, limiting actuator loads to prevent damage and preserve operator feel.

A controller updates the sensor detection range from work implement attitude data to keep object detection accurate as position and orientation change.

Coordinated boom, arm, and bucket motion keeps the bucket tip fixed during dumping, stabilizing soil discharge onto a target point.

A boom drive that rotates to both sides of the vehicle axis expands excavator working range without adding separate rotation mechanisms.

Variable rotor depth and position control helps one power rake reshape uneven terrain, handle compacted material, and reduce manual rework.

Sensor-driven terrain mapping and dynamic blade-depth control enable safer, more accurate bulldozer grading with less manual estimation.

By moving the attachment bearing point into the rotation plane, this excavator stick mount cuts height, widens swivel range, and improves power transfer.

A rotatable bridge and dual hydraulic cylinders keep the skip pan level during lifting and unloading, reducing loose-material spillage.

A mediated coupling interface lets snow groomers swap working assemblies from the cab without modifying the support frame or tool.

By omitting selected target points and resetting time data, the attachment keeps smooth, predictable motion while preserving positioning accuracy.

Pitch angle, wheel speed, and bucket load are combined to prevent wheel over-slipping during loading, reducing tire and ground wear.

GNSS, tilt, heading, and bucket rotation data replace many manual measurements to commission construction vehicle machine control faster and at lower cost.

Biased dual locking members and non-linear pin entry keep excavator implements attached even when hydraulic pressure is lost.

By tracking fixed surrounding objects, the control system estimates upper body turning angle for more accurate excavator alignment.

A spring-biased latch locks the wedge coupler without hydraulic power, securing excavator attachments and providing visual engagement confirmation.

Resistance-based control switches from target-path guidance to load-aware digging, extending excavation automation while preserving surface precision.

A sliding-arm coupling and actuator switch the implement between pushing and back-dragging, improving containment and operator visibility.

Pitch angle, wheel speed, and bucket load sensing let loaders limit over-slip, protect traction, and reduce tire and ground wear.

Controlled compressed-air bursts loosen soil without contaminated water waste or contact damage to buried objects.

Separating vehicle and attachment controls enables tilt and rotation trajectory tracking without modifying the work vehicle control system.

A bridge, stop plate, ratchet pawl, and preloaded springs create double protection against unintentional attachment detachment.

A horizontally aligned milling platform creates a flat initial surface, enabling stable soil removal and recovery on uneven underwater terrain.

A movable sensor stay and engagement groove keep magnet-to-sensor spacing stable despite backlash, improving front loader boom angle detection.

Arm stroke is limited near a tip-distance threshold so excavators keep deep digging reach while maintaining machine body stability.

Body-mounted IMU and GNSS sensors calculate blade position for precise motor grader grade control without masts, avoiding range limits and damage.

Air eduction fluidises trench slurry to place seabed cables with lower energy use where shallow water limits pump operation.