Mechanical Machines/Dredgers TRIZ Cases

Segmented divergent blades adjust independently to form wide ditches in a single pass, eliminating multiple passes.

A hydraulic hammer lubrication system uses a piston and control valve to deliver grease automatically.

A mobile suction system uses a magnetic coupling to transmit power from the drive shaft to the vacuum generator.

A priority order calculating circuit allocates closed-circuit hydraulic pumps to actuators based on lever positions.

A screening bucket uses a three-way hydraulic valve to coordinate inert material processing.

A drag head maintains transverse flow to deposit material onto an underwater bottom.

Curved elongated members attach to a work machine frame, enabling stable single-point lifting while clearing the cab structure.

Controller adjusts target excavation depth based on actual soil volume to suppress efficiency decreases caused by soil hardness.

Symmetrical lateral nozzles redirect water jets sideways to clear sediment without creating obscuring clouds around the subsea blower.

A dipper handle design with a contoured inner surface varies wall thickness to enhance structural integrity and wear resistance.

Side-mounted tool coupling with a pivoting support arm prevents debris exposure to the operator and maintains road surface stability during forward grading.

Specific angle constraints on the bell crank prevent earth from dropping and stop interference with dump trucks.

A bulldozer blade anchoring bracket uses mounting bores arranged along an arc around a single retention hole to enable pitch adjustment.

A backhoe camera assembly uses a pivotal bucket-mounted unit, an integrated seat lifting mechanism, and strategic reflectors to capture work area imagery.

An inverted rotation roller and hydraulic leveling blade fill cavities and redistribute material to repair track ruts without tearing the top layer.

On-tool imaging detects real-time soil composition, enabling dynamic adjustment of rotational speed and feed rate to minimize tool wear.

Segmented arm and link couplers with plunger pins preserve original equipment geometry, resolving visibility reduction caused by conventional coupler bodies.

An energy recovery system captures waste flow from an unload valve to generate electricity, preventing pressure loss without returning fluid to the tank.

A structural attachment assembly uses segmented reinforcement members within an interior cavity to distribute mechanical loads across opposing connector ends.

Segmented cylindrical teeth replace serrated edges to extend wear life while maintaining cutting performance in abrasive conditions.

A wheeled handling apparatus supports grader wing support arms via adjustable mounts for rolling movement during attachment.

Angular sensors on excavator arms feed a central unit to calculate depth, eliminating bulky separate laser sensors and dedicated operators.

Asymmetric interengaging formations in split lock bodies resist lateral displacement of excavator wear members under heavy transverse loads.

Magnetic sensor detects magnet position to calculate yaw angle, resolving tilt-induced detection errors.

Dual cameras capture forward terrain images displayed on the operator interface to resolve cab structure obstructions.

A prestressed coil spring between the boom and arm provides progressive counterforce that prevents sudden ground contact and reduces lifting effort.

A pipe-based scraper adaptor uses vehicle weight to dislodge dirt from heavy machinery buckets.

A work machine management apparatus calculates actual operation duration using hydraulic flow and pressure setpoints.

Independent pitch and elevation adjustments enable effective grading of diverse surfaces without exceeding horsepower limits.

A movable device shifts tool position relative to the loading machine longitudinal axis using adjustable housings and abutments.

A wheel loader coupler uses a reverse-thread shaft to extend locking pins for attachment engagement.

Segmented plug with asymmetric locking prevents counter-clockwise rotation and leakage in hydraulic hammers.

A strut assembly shear pin with a fracture zone absorbs impact loads through controlled failure.

Sensors measure excavator work tool weight to detect wear or damage through automated comparison against predetermined ranges.

A grade control system maintains a cutting edge on a defined plane using hydraulic actuators and position sensors.

Relocating the door holding member to the outer surface reduces inner thickness and expands operator room volume.

Curved adapter board surfaces support angled tool bits, reducing front edge wear while maintaining material pushing capability.

Hydraulic support members move pivotable plates to secure attachments, resolving versatility complexity trade-offs.

A processor adjusts implement height based on chassis pitch angle thresholds to inhibit vehicle bridging.

A shovel processor calculates load weight using multiple detection modes based on selected timing parameters.

A vibration suppressing unit manages hydraulic cylinder thrust forces to stabilize the excavator body during attachment movements.

Relocating the fuel tank within a hollow counterweight prevents rearward projection, maintaining operator visibility while increasing capacity.

One-piece hardened steel boot tip and shims protect shear tang, maintaining clamping force to extend service life.

A joystick trigger button activates ride control functionality directly from the operator seat.

Closed-loop feedback algorithms adjust loader arm velocity near target positions, eliminating overshoot errors common in open-loop systems.

A hydraulic float valve controls bottom-side chamber communication to enable blade leveling work.

Spring-based locking mechanism prevents unintentional separation during hydraulic failure.

Controller adjusts grader blade attitude using inclination and blade angle sensors to maintain target slope geometry.

Vertical strips with connecting sleeves form a universal interface that reduces complexity while maintaining connection robustness.

Roller chains replace flat sliding surfaces with rolling contact to reduce friction and prevent premature wear from point loading.