Mechanical Machines/Dredgers TRIZ Cases

A hydraulic system redirects rod-end fluid to the head end via regeneration valves, reducing pump flow and power dissipation during overrunning loads.

A pin grabber coupler uses a tertiary lock triggered by tool pin entry to secure attachment before primary engagement.

Pivotable wings on the blade assembly enable dynamic width adjustment for improved maneuverability around obstacles.

Angled recesses and nested lock pins secure shrouds to earth-working edges, reducing maintenance downtime.

Curved rear wall geometry expands internal volume without proportional weight gain, resolving the trade-off between bucket capacity and structural mass.

A snow plow with independently pivoting wing blades and a quick-connect hitch mechanism.

Stress-strain sensors feed data to an electronic controller that reduces power output, preventing structural failure in heavy equipment.

Hydraulic actuators adjust the blade position relative to the frame, stabilizing downpressure to prevent uneven edges and equipment wear.

Sensor-based blockers prevent thumb movement when the tiltrotator rotates away, stopping accidental object drops.

An articulated device uses locking means to enable telescopic extension of inner elements within outer shells.

Retractable blade pushes materials under overhangs without moving the loader body.

Dual valve assemblies in a hydraulic control circuit direct pump fluid to pivot frames, resolving manual articulation precision issues.

A slider with embedded wear indicators signals partial and substantial degradation through visible thickness changes on the sliding portion.

A work-tool mounting mechanism uses a regulating portion to secure a lock pin within an engagement hole during operation.

Segmented plastic sheet piles on floating platform reduce transport costs and assembly time while containing drilling fluid in tidal environments.

A mobile boom system uses a moveable upright column to adjust the pivot point for greater range of motion.

Endless screw transforms rotary motion into transversal force, eliminating hammering during bucket wear member replacement.

Replacing hydraulic cylinders with a linear electric motor and microprocessor control prevents unsafe unlatching when the boom is elevated.

Reverse grading prevents track grooves by adjusting implement position based on depth differentials between current and final soil depths.

Coordinate transformation reconciles changing sensor relationships during boom swing to maintain detection accuracy.

Segmented spill plate directs falling material away from boom couplings and cab glass, resolving the trade-off between operator visibility and component safety.

Segmented hinge components enable door removal when lift arms obstruct normal opening, maintaining safety without permanent attachment.

A construction management device computes risk using worker and machine sensor data.

Inverting the third pivot location on a curved boom causes the swing link member to project downwardly, eliminating upward field of view obstruction.

A shovel control device detects unusual movement tendencies to stop automatic operation and enable manual intervention.

A rotatable driver seat pivots on a work vehicle drive unit to maintain control orientation.

Segmented lockout braces prevent boom drop hazards by mechanically blocking rod retraction during maintenance.

Variable-width armrest geometry accommodates the operator's elbow to maintain posture stability without obstructing ripper control lever access.

A telescopic loader arm linkage extends segments during lift to increase reach.

A control module adjusts a pressure reducing valve to maintain hydraulic feed tube pressure during boom movement.

Automated grading offset determination reduces human error by calculating dynamic elevation adjustments based on tooth height and raking ratio.

Direct pump-to-cylinder connections eliminate intermediate flow dividers, reducing moving parts to resolve uneven loading failures in motor graders.

Segmented drawbar ribs create a labyrinth seal that blocks dirt entry while maintaining smooth circle rotation.

Segmenting pitch hydraulics from main arms stabilizes the platform during GPS grading, resolving instability caused by continuous large-scale movements.

Radial cylinder extracts coupling pins via connection member, preventing jig damage and reducing axial length.

Removable mounting plates extend the lifecycle of quick hitches while visual locking indicators provide clear attachment status to operators.

Repositioning the radiator vertically reduces engine compartment volume, eliminating operator visibility obstruction without auxiliary cameras.

Extracts latch mechanism from material flow path to prevent rock fouling and reduce wear on mining shovel components.

A hydraulic circuit driven by a traction motor uses an accumulator to store pressurized fluid for clutch actuation.

A modular adapter body links standard arm segments, reducing production costs and spare part delivery times for extended reach configurations.

Tubular reinforcing members extend between parallel plates to support hoist ropes in mining sheaves.

A dovetail-shaped wear element slides into a mounting groove to provide a sacrificial surface for motor grader blades.

A data device to speech service bridge maps commands to standardized protocols for packet-based devices.

A trapezoidal end cutting bit with a spearhead protrusion directs debris away from the cutting edge during earth material engagement.

A pitch adjustment assembly uses a bushing with an offset bore to incrementally reconfigure tool orientation relative to a machine.

Segmented subsea tool cuts and sizes hard rock at depths exceeding 1500 meters, resolving the depth limitation of traditional integrated dredges.

A hydraulic crowd mechanism directs fluid flow in a single direction through a cylinder manifold, reducing hose wear and maintenance on mining shovels.

A pivoting coupler block dynamically adjusts orientation to secure implements on power machines.

Linkage system removes the mast to clear sightlines while replacing shear pins with durable pivots for continuous operation.