Mechanical Machines/Dredgers TRIZ Cases

Splaying the tilt cylinder axis by two degrees resolves the visibility obstruction caused by tag-link designs, improving cutting edge awareness.

Hydraulically operated backhoe bucket with a movable thumb assembly linked via pivot joints for simultaneous control.

Circuitry operates an excavator arm to align a work part with a target surface while adjusting boom movement.

Dynamic stop area adjustment based on real-time bucket angle prevents cab interference while maintaining a broader attachment movement range.

Segmented boot tips with shims maintain clamping force and alignment, preventing premature wear on heavy-duty demolition shear jaws.

A removable thumb assembly uses a spring-loaded attachment mechanism to secure the tool onto parallel fastening pins.

Multi-outlet nozzle vectoring generates pulsatile flow from a steady jet, eliminating energy losses from plenum refilling and pressure fluctuations.

Reduces accelerator pedal proportionality ratio during digging to prevent wheel slip and tire deterioration in electric wheel loaders.

An intermediary lever mechanism provides visual confirmation of hidden pin locking to resolve operator visibility constraints.

Protruding flanges on a single-piece boom foot casting enable internal groove welds that eliminate stress concentrations at the weld root.

A control system adjusts an excavator arm position using hydraulic pressure feedback to regulate bucket engagement force.

Sliding left and right supports adjust the back guard width to securely transport stacked items without falling backward or sideways.

Merges the control valve and pump body to eliminate external feedback mechanisms, reducing structural complexity and maintenance effort.

Eccentric threads and retaining rings stabilize excavator tooth attachments, reducing wear while eliminating impact installation hazards.

Repositioning the lifting eye to the attachment end wall prevents strop fouling and ensures operator visibility during heavy lifts.

A quick coupler uses a cam and counter surface to maintain hook engagement on the axle.

Hydraulic pressure sensing calculates contact force to document compaction parameters, eliminating the need for complex mechanical sensors on the attachment.

A blade positioning assembly uses a pivot member attached to the main frame underside to lift the grader blade.

Sliding clamp bars with wedge structures secure cutting edges to moldboards, eliminating manual fastener removal and reducing downtime.

Automated controller compensates for unintended bucket tilting in telescopic handlers, reducing operator workload and improving loading precision.

A grapple-heel rack system integrates a movable heel and universal joint to enable versatile load handling.

A bushing design featuring a diagonal outer channel and internal port for direct grease flow to the bearing center.

Segmented coupler bodies with standardized pins allow universal adaptor integration, resolving the trade-off between tool versatility and structural complexity.

A work machine display device positions detection objects along its outer peripheral edge to preserve central screen area for state information.

Gravity feedback loop automatically adjusts tilt actuator to prevent material spillage during lift arm movement on uneven terrain.

A pivotable slope-level-cut bucket with stepped excavating edges minimizes overlap during cutting operations.

Merging fan and pump systems resolves the trade-off between differential pressure and volume flow, enabling efficient thick and thin flow pneumatic conveying.

Automatic frame actuator adjusts articulation angle to keep the blade leading edge within operating thresholds.

Nested wear plates inside tilt levers protect against abrasion while integrated stops constrain motion, simplifying maintenance.

Hydraulic actuators adjust blade inclination and elevation to maintain precision on slopes without adding heavy rotational assemblies.

Control system adjusts implement position and angle during autonomous vehicle operation to maintain accurate terrain profiles.

A control device manages pressure oil flow to the bucket hydraulic cylinder during boom lifting operations.

A grading system blade assembly maintains a vertical pivot axis for stable automated operation.

Visual odometry from a backup camera supplements inertial measurement unit data to maintain positional accuracy during slow excavator movements.

A service tool with a notch and grid measures vertical and horizontal distances from a bolt head to a cutting edge.

A console box cover uses internal fitting portions and a support portion to suppress wobble without increasing device complexity.

A controller calculates work implement height in the gravity direction using posture data from both vehicle body and implement sensors.

Module controllers communicate with a managing controller to provide operating modes based on configuration.

A controller adjusts safety zones based on detected worker approach intentions to maintain excavator operation continuity.

Positioning the angle cylinder below the joint upper surface eliminates cross-functional interactions between pitch, tilt, and angle adjustments.

Controller detects natural lowering of the bucket and raises it to prevent interference with loaded machines during entry.

Server computes correction values from real-time parameters to adjust hydraulic actuators, resolving accuracy loss during soil excavation.

Localized plate thickness increases bracket joint strength while reducing overall weight by minimizing stress concentrations at welding joints.

External server receives calibration data from excavators, enabling operators to verify proper maintenance and reduce failure response time.

An unmanned suction dredger vehicle uses an articulated steering mechanism to navigate confined waterways while maintaining high-capacity sediment removal.

Segmented boom arms with hydraulic pivoting resolve stability-versatility trade-offs, allowing stable lateral grading while enabling quick attachment changes.

Linear hydraulic actuator replaces mechanical cable linkage to reduce high-cycle fatigue on dipper latch components.