Mechanical Machines/Dredgers TRIZ Cases

A suction excavator uses a recirculation channel to reverse airflow and heat the hose.

Tilt sensor identifies horizontal bucket position to eliminate gravity influence during calibration, enabling accurate speed prediction for tilting operations.

Rectangular collar lateral sides engage retention pins to distribute impact loads, preventing stress concentrations that cause premature tool failure.

Front-mounted cameras capture blade surface images, enabling operators to adjust angles and prevent engine stalling from excessive soil load.

An engine cover overlaps and protects the rear end of a horizontal-opening heat exchanger cover, preventing accidental rotation during operation.

A hydraulic pump control unit adjusts discharge flow rate based on detected front work machine orientation to match power output with actual workload requirements.

Swivelable filter unit enables gravity-assisted removal from the collection chamber, eliminating heavy lifting equipment during maintenance.

Controller receives operator and automatic signals to move an earthmoving implement based on position relative to a cutting plane.

A connecting device for excavators uses a spring between locking and safety elements to hold attachments securely.

Engine cover recess accommodates the rear-view camera and lock device, protecting the unit without obstructing operator visibility.

An L-shaped spreading blade with a short longitudinal segment reduces horizontal resistance while maintaining layer thickness control precision.

Controller operates actuators to align the upper swiveling body with a target backslope.

Sliding mode algorithms process fluid pressure and movement signals to correct implement angular position during lift operations.

Mast arm segment hinge uses a transition piece to distribute forces across the lower chord.

Cast metal integration of the lifter guide and bracket eliminates welding gaps, ensuring precise positioning and high attachment strength.

A controller system monitors feed and return pressures alongside wheel speeds to select hydraulic configurations for driven and idle wheels.

A kick-down switch triggers simultaneous boom and bucket movement to preset positions in construction machinery.

Stacking exhaust processing devices vertically and nesting the air cleaner minimizes engine room length to preserve rear visibility.

A hydraulic article handler manipulates heavy excavator teeth to reduce operator injury risk from manual handling.

A tilt angle sensor in the bucket feeds a data fixing unit that freezes measurements during boom movement.

An adjustable nozzle opening directs larger debris into a collection container, preventing hose clogging and reducing manual labor costs.

Controller disables automatic drive control during rapid lever switching between tilt and dump sides.

Reinforced arcuate shroud geometry distributes high contact stress to extend service life in mining and quarry operations.

A pivotal cleaning wall pushes sticky material from a digging machine bucket, resolving productivity losses caused by residual buildup.

A pin assembly integrates a hammerless lock mechanism to secure and release pins within earthworking equipment components.

Placing the electric motor within the frame plane shields it from external impacts, eliminating bulky casings and lowering overall arm weight.

A hydraulic coupler uses an actuator to shift a locking pin between locked and unlocked positions for secure attachment engagement.

Segmented interfaces resolve operator visibility trade-offs while enabling single-person site management.

Controller adjusts target paths to maintain accuracy despite work position shifts, resolving productivity versus precision trade-offs.

Radially-expanded fitting secures hydraulic tubing to chassis plate, preventing interference with other components.

A control device estimates buried object presence using excavation reaction forces and ground sensors.

Processor reduces actuator responsiveness during detected body vibration to prevent amplification and unintended lever inputs.

Segmented hood members interlock via a downward pressing portion and recessed groove to secure the assembly without overhead beams.

A kinematic chain system compensates for tilting movements in wheel loader equipment, maintaining stability without increasing machine weight.

Controller reduces calibration time by storing posture data and automating sensor-based adjustments, eliminating manual trial-and-error.

A vertically adjustable adaptor moves a dozer blade along a track system to support heavy horizontal loads.

Replacing mechanical potentiometers with radar reflection eliminates water-induced wear and improves measurement precision.

An integrally cast coupler body houses a hydraulic cylinder to actuate locking members for secure implement engagement.

Internal protection elements mounted on inverted keel sections shield bucket floors from abrasion while reducing structural weight.

Sliding clamping members move along an angled path to secure auxiliary tools, resolving loose connections caused by wide gaps and fastener wear.

Inclined bucket plate increases horizontal reaction force to trigger automatic lift or tilt control via boom-bottom pressure comparison.

Boom assembly lifting connectors prevent block slippage during pipelayer operations by providing dedicated anchor points.

Segmenting the stabilizer appendage from drive tracks absorbs tipping forces without interrupting dipper swing clearance.

A hydraulic spool with a throttling portion mitigates surge pressure during rapid valve switching, stabilizing fluid flow.

Segmented support members distribute loads across the gear case to maintain connection stability despite rotating frame deformation.

A directional correction input device adjusts the travel direction of a motor grader steering mechanism through lateral angle commands.

Implement state estimator fuses accelerometer and angular rate sensor data to resolve operator workload versus device complexity trade-offs.

Mounting sensors on interchangeable equipment relays obscured area data to a display, resolving visibility restrictions caused by large tool geometries.

A calculation unit determines antenna position using working equipment data to guide GNSS receiver initialization.