Mechanical Machines/Dredgers TRIZ Cases

Flanged bushings isolate roller components from crawler frame legs, eliminating weld repair and minimizing maintenance downtime.

A modular attachment device uses a conical bolt for secure locking.

A loader work device uses a reverse-L boom support to lift the bucket vertically.

Universal connection elements reduce spare parts inventory by allowing seamless compatibility between distinct excavator shovel models.

A mixing apparatus processes excavated native soil with cement and water to form a homogeneous flowable fill material for trench backfill.

A grapple bucket integrates a pivotally mounted cutting blade driven by a hydraulic cylinder to slice materials while grasped.

A mobile dredge system integrates a hopper, shear mixer, and pump to process material into slurry.

An adjustable soil cutting device rotates about a horizontal axis to minimize undercutting of trench walls during curved sections.

An angled wear insert on a DCM circle shoe erodes sacrificially to automatically adjust clearances, eliminating manual maintenance requirements.

Widened footprint via extended center frame reduces ground pressure, enabling safe operation of larger machines in deep trenches without collapse.

A controller disables float mode when machine speed exceeds a limit to prevent unintended tool movement.

Controller detects implement type to restrict upward arm movement beyond an intermediate position, optimizing load capacity for restricted-height attachments.

Segmented wear components and an inverted keel section reduce bucket weight to improve load capacity without sacrificing lifespan.

A hydraulic shovel coupler uses outward-facing hooks to engage tool bars via single-direction pivoting.

A hydraulic pump control unit selects operating speed profiles to match user preferences.

A two-stage connector moves in distinct directions to lock excavator tools securely onto mounting bodies.

A computing system determines the current vertical height of a dump pile to adjust the implement's dumping position.

A controller calculates target velocities for multiple work point candidates on a hydraulic cylinder to prevent surface entry.

A floating dredging platform uses aerial cable manipulation to position a tool for sediment removal.

A quad track skid-steer loader mounts removable track assemblies on each axle using hubs and anti-rotation devices for modular switching.

A travel control system integrates steering manipulation with engine speed adjustment to stabilize machine movement during directional changes.

A work machine bucket uses a sliding extension plate to adjust internal volume while maintaining constant width.

Shift control device delays gear up timing during backward travel to prevent vehicle drifting and maintain work efficiency.

Transverse mounting units direct hydraulic loads between spaced side plates, reducing top plate stress and weight.

Hydraulic snubbers maintain consistent braking force on mining shovel dipper doors, eliminating torque loss from spring-loaded bolted connections.

Hydraulically adjustable side plates on a cold planer housing enable precise height positioning of the grinding drum assembly.

Sliding nested mud tank within water tank maintains coinciding centers of volume to prevent load shifting during fluid transfer operations.

A hydraulic circuit with a rectifier decouples drive and amplitude control, reducing mechanical stress from direction switching in excavator attachments.

A control method modulates solenoid valve opening degrees to maintain consistent joystick positioning across varying motor speeds.

A milling device features an adjustable first cutting wheel arrangement positioned diagonally below a second assembly via a four-bar linkage mechanism.

Segmenting the mechanism into separate components reduces overall height while maintaining 360-degree rotation.

Segmented bowl and frame connected by abutment supports enable rapid component replacement while maintaining structural integrity.

Add-on compactor uses contact pressure feedback to signal sufficient compaction, eliminating prolonged operator monitoring and reducing energy waste.

Segmented connections distribute forces through the frame, reducing tipping risks and eliminating manual alignment steps.

A mechanical catch element secures an interchangeable compactor plate to the housing.

Sloping faces on a torque element absorb radial forces to reduce fatigue failure risk in bolted bucket connections.

A scraper pivots its bowl to unload material in front of the vehicle.

Hydraulic actuation replaces gravity-based covers to improve sealing reliability while managing device complexity.

A track assembly with pivotable end portions adjusts ground contact dynamically.

A drive signal selecting section routes pilot pressure to hydraulic actuators based on lever position.

A work device uses a wide-angle pivot setup to rotate its moveable jaw beyond 120 degrees for precise grab operations.

A pneumatic excavator uses compressed air jets to loosen soil through aerodynamic forces.

Agitation patterns loosen sticky powders, achieving target weights without time-consuming cycles.

Replacing cast lips with rolled steel plates and a hardened wear-resistant layer resolves the trade-off between manufacturing simplicity and repair ease.

A single cylinder hydraulic coupler uses a hydraulic cylinder to extend and retract locking pins for rapid attachment coupling.

A shovel control device calculates excavation reactive force to support consistent digging operations.

A two-piece backhoe boom unit uses a shared pivoted coupling member to connect the first and second boom sections.

Sensor fusion calculates precise bucket location relative to the chassis, resolving visibility loss during deep digging operations that risks utility damage.

A dual-axis implement lift cylinder support system enables rotational movement about two axes within a single plane.