Mechanical Machines/Dredgers TRIZ Cases

Locks the main arm to create a stable platform while pitch axis hydraulics adjust blade height, reducing power consumption and structural stress during grading.

A magnet device integrates a dislodging member to extract rebars from compacted rubble.

Nesting the sensor inside the hollow loader arm profile protects it from external stress and dirt while simplifying installation.

A controller estimates target positions by overlapping prospective locus regions with gaze point regions.

Segmented double doors open hollow under-mount spaces to increase tool storage without reducing exterior cover strength.

Coaxial power linkage actuator engages pins via arcuate tongue and groove configurations, eliminating offset designs that reduce breakout forces.

A grading machine control system adjusts the drawbar centershift cylinder to position the blade.

Single-digit activation of combined wheel lean and articulation switches reduces operator fatigue and improves steering precision.

Single-lever control translates operator inputs into coordinated boom, arm, and bucket movements, reducing operation difficulty for inexperienced users.

A work equipment control device maintains uniform bucket angles during excavation operations.

A retainer with a bucket-facing surface rotationally fixes a padlock pin to prevent wear on the hinge connection.

Inverted toggle plate positions movable jaw teeth above bucket load section to balance reciprocating motion with crushing force.

Integrated lifting bracket notches guide rainwater along front columns, preventing leaks onto the operator seat without adding separate drainage components.

Chassis-mounted support device stabilizes pivotable mast arm joints during transport, resolving space constraints on compact work machines.

A dual load pressure flow passage system manages hydraulic pump discharge pressure via segmented flow paths.

A controller adjusts work implement vertical displacement based on current terrain data to maintain optimal blade position.

Piston-driven wear assemblies adjust grader moldboard brackets, reducing labor-intensive maintenance caused by bearing gap expansion.

A swivelable adapter device enables manual rotation of skid steer work tools through a nested barrel assembly.

Electronic sensors replace mechanical linkages to measure saddle linkage position, resolving the trade-off between measurement precision and device complexity.

A control system adjusts engine speed based on travel and lift arm inputs to optimize power delivery.

A blade control device generates a corrected design surface to manage height adjustments during excavation operations.

Spherical connection joints in the mount allow universal pivoting to eliminate misalignment stress on trencher components.

Offset valve axes coupled via an end block replace complex bell-crank linkages, enabling direct mechanical control in spatially constrained work machines.

A dozer blade assembly positions the tilt cylinder upwardly and forwardly of the vertical shaft to reduce overall height.

Segmented male and female interfaces enable rapid tool changes, resolving time loss during attachment.

Adhesive-bonded ceramic inserts on a serrated blade resist abrasive wear, extending operational life beyond 200 hours.

A pivoting locking key secures a wedge within a retaining notch, eliminating vibration-induced loosening and reducing assembly time.

Segmented boom and arm portions pivot to reduce height and length, enabling highway transport without exceeding trailer limits.

Sensor feedback automatically adjusts articulating arm positions to prevent equipment damage from dry-fire or overload conditions.

A mounting bracket enables interchangeable processor attachment on excavator sticks or booms via pivotal assemblies.

Dual-curved wrapper geometry minimizes uneven corner wear in construction buckets, extending service life.

Segmented resilient bodies absorb multi-directional vibrations from the breaker, reducing bolt loosening and maintenance costs.

Electronic controller calculates down force on work tools using linkage sensors to maintain acceptable operational limits.

A work vehicle arm assembly uses a support actuator to engage the vertical arm portion and transfer horizontal loads directly to the chassis.

A thumb support structure uses segmented plates to distribute forces and resist torsional loads on excavator attachments.

A transport vehicle coupling system shifts the load rearward to maintain balance during lifting.

High silicon levels suppress pearlite formation during austempering, achieving tensile strength above 900 MPa without expensive alloying additions.

Variable responsiveness in hydraulic regeneration circuits prevents hunting during pressure fluctuations while maintaining energy efficiency.

A hydraulic control system switches between split-flow and connected states to manage fluid discharge from dual pumps.

Controller disables the electrical generator when work tool power demand exceeds a threshold, reducing engine size and fuel consumption.

Segmented implement carrier resolves adaptability complexity by allowing floating movements and easy changes without actuator reconfiguration.

Dynamic crowd motor retract torque control reduces structural loading and tipping moments by adjusting force based on real-time sensor data.

Control unit stores first switch data during second switch press to enable continuous hydraulic flow without simultaneous manipulation.

Fasteners secure a mounting plate to arm flanges, distributing stress across multiple points to extend fatigue life.

A loader coupler uses dual actuators to move lock plungers for secure attachment engagement.

A link operating mechanism uses bucket swing force to bend a stiff bending/stretching link for stand support release.

A reclaimer control system memorizes operating parameters to calculate ideal boom turning speeds.

Monolithic tooth block design dissipates demolition forces through integrated shrouds and cut-outs to enhance component durability.

A trench cutting apparatus merges a rotating chain cutter with fluid jetting outlets to enable continuous seabed excavation across varying soil types.

Controller adjusts blade position using lift cylinder stroke differences to resolve complexity issues from varying pitch and tilt cylinder lengths.