Mechanical Machines/Dredgers TRIZ Cases

A suction pump excavator uses a rotatable superstructure to discharge material without interrupting the intake cycle.

A payload monitoring system uses off-board weighing data to adjust on-board sensor estimates for heavy machinery.

Pivotal impeller blades deflect on debris impact, preventing rigid blade damage and maintaining continuous soil spreading operation.

Horizontal oscillation of a sharpened blade cuts roots without damaging trunks, resolving size constraints in dense nursery spacing.

Sensor-guided water jets fluidize dredged material locally, reducing discharge time and fuel consumption while minimizing excess water usage.

Cam surfaces and a biasing rod lock the hydraulic valve, resolving the trade-off between safety reliability and device complexity.

Computer-controlled trencher system regulates boom position and attachment drive speed to maintain target output levels during excavation.

Segmented idler hub web and rim assembly reduces manufacturing complexity while maintaining structural strength for high load applications.

A coupler mechanism uses a pivoting safety lock and latching hook to secure implement pins within apertures.

Automatic wheel-lean control reduces operator workload by adjusting angles via sensors, resolving the trade-off between adaptability and productivity.

Segmented brackets and pins mount skid steer tools to the excavator stick, resolving mounting difficulty away from the frame.

A coupler uses a resiliently deformable member to link the actuator and blocking member for single-cylinder operation.

Asymmetric inclined partition walls guide airflow from the engine compartment to the heat exchanger, eliminating complex discharge hoses.

Vertical device arrangement resolves maintenance access issues in narrow wheel loader engine rooms.

A dynamically suspended subsea pump lifts ore through a vertical riser to a transport vessel using air or mechanical pumping.

Exoskeletal bucket design reduces drag energy while maintaining structural robustness for harder earth types.

A bulldozer blade features a pivotally coupled rake unit that repositions between deployed and stored orientations.

A controller adjusts implement height and machine speed using location data to navigate around keep-out zones.

Segmenting controls into dual joysticks reduces operator fatigue while maintaining precision through balanced hand distribution.

A management apparatus converts operator speech into text to extract relevant failure information from onboard memory.

Segmented box blade walls pivot over terrain obstacles, maintaining grading orientation while linear actuators adjust height and angle for smooth operation.

A wheel loader payload measurement system calculates lift cylinder pressure differentials and applies angular acceleration compensation factors to determine accurate material weight.

Motor controller detects abnormal power supply states using phase-specific judgment conditions to prevent equipment damage.

Segmented power link joins intermediate and end segments via groove welds to resolve fatigue failures in excavator arms.

A hydraulic control system shifts boom valves to neutral during swing operations.

A single-piece cast equalizer with integrated end caps reduces mining shovel weight by half while simplifying assembly.

A segmented track slider mounting plate distributes stress across beveled surfaces to reduce wear on heavy equipment components.

A control unit detects rotary drive and feed input variables to determine a tillage value that adjusts operating parameters.

A grading machine control system positions the blade and drawbar using hydraulic actuators and sensor feedback.

Coaxial radial piston motors drive the pivoting rotator, resolving torque and damage risks while enabling constant force over extended angles.

A controller manages hydraulic pump flow via a drain valve, reducing fuel consumption and component wear while maintaining immediate implement response.

Segmented wear strips and a detachable top plate protect side walls from abrasion while enabling quick part replacement to reduce maintenance downtime.

A controller generates bucket lift commands using machine speed and torque signals to assist earth moving operations.

An adjustable gas outlet on a diving bell minimizes water turbulence and prevents pollution resuspension during wetland dredging.

Vision-based controller directs utility vehicles along overlapping paths to level excess material and reduce operator fatigue.

Integral guide element moves cutting tools automatically to clear side material and reduce wear.

A rotatable joint connects the water inlet hose to the pool cleaner housing, allowing free rotation during operation.

A submersible work platform holds a detachable conveying container that receives soil material from a milling machine via a delivery line.

Cantilevered lift arm storage eliminates heavy external stands by securing arms to the bucket, resolving weight and stability trade-offs.

Removable mount pins and segmented locking regions resolve the trade-off between multi-attachment adaptability and device complexity.

A control system determines stale terrain values using position data and dump operation parameters to trigger operator alerts.

Segmented track guides with reinforcement plates reduce contact frequency between crawler belts and frames, lowering replacement costs.

An external switch near the shovel cab door activates an internal display, allowing maintenance workers to check operating data without entering the cab.

Modulating solenoid valve current based on motor speed eliminates residual tilt errors without requiring expensive continuous position sensors.

An automatic locking mechanism engages when the vibratory frame reaches its lowered position, preventing manual errors and transit damage.

A wire mechanism replaces obstructive linkages on a front loader boom to hold bucket attitude without blocking the operator's forward view.

Articulation control device tracks instantaneous and accumulated movement values over time intervals to identify unintended directional shifts.

A pipe handling attachment for excavators features a boom with adjustable support arrangements to hold pipes of varying lengths.