Mechanical Machines/Dredgers TRIZ Cases

Working fluid drives an internal lubricant line in the breaker body, enabling automatic chisel lubrication without extra hoses or exposed parts.

A secondary hydraulic cylinder selectively boosts rod-side pressure to raise loader breakout force without Z-bar linkage drawbacks.

Jack bolts pre-stretch a hammer tie rod so the final nut can achieve high clamp load with lower torque and less thread damage.

Attachment position data guides automatic camera angle adjustment, giving remote operators a suitable field of view across machine types.

A total-station-guided differential model lets road machines adjust height and cross slope accurately where GNSS signals are weak.

Camera-based guidance verifies loader-implement compatibility and shows the approach path for faster, safer coupling and load engagement.

Variable moment-of-inertia control replaces frequent PID retuning, using stored operating data to improve operator comfort and prevent unintended motion.

Image-based guidance shows tractor heading, approach path, and implement height to speed loader coupling and avoid damage.

A movable abutting lever secures connecting pins from the machine-center side, improving operator access where nearby cabs block tip-mounted retainers.

Rear-mounted valve manifolds and separated pipe areas create clear service space around excavator control valves and revolving hydraulic motors.

A below-frame pivot axis and intermediary attachment improve implement alignment, load distribution, and pushing performance on vehicles.

A movable protective element shields cutters from concrete, enabling selective rebar cutting, less uncontrolled breakage, and longer edge life.

An ECU prioritizes return-to-dig over soft stop on joystick release, smoothing bucket motion and avoiding control conflicts in work vehicles.

Bucket weight data updates the excavator control model after bucket changes, helping the bucket follow the design surface accurately.

A supplemented target face with operation-based curvature keeps the bucket above changing excavation slopes and avoids sudden velocity shifts.

A meter-out throttle paired with pump-side flow control valves prevents excessive oil restriction, preserving cylinder speed and work efficiency.

Opposed side openings, a fan, and an oil cooler create lateral airflow that frees space for a larger battery while cooling excavator components.

Parallel spool actuators and direct side openings cut throttling, plumbing, and heat in earthmoving hydraulic manifolds.

Adjustable accumulator pressure matched to predicted lowering modes boosts hydraulic energy recovery without slowing work-unit response.

Separate valve outlets and joint-specific schedules deliver lubricant where needed, reducing friction, wear, and over-lubrication.

Hydraulic flow to the turning motor is reduced during implement cylinder actuation, preserving work implement operability in crawler machines.

A position sensor and controller stop the piston before end-wall contact, reducing shock, vibration, and cylinder wear with different accessories.

Recovers boom-down and body-swing hydraulic energy for reuse, improving fuel efficiency while staying modular for existing construction machinery.

Electronic actuation of a variable-displacement pump matches hydraulic flow to load and engine speed, cutting energy waste and avoiding diesel stalling.

A lower pilot pressure preloads the hydraulic switch valve before full actuation, speeding valve switching while reducing shocks in work machines.

Projected fiducial beams mark the bucket’s expected ground contact point, improving visibility, accuracy, and remote loader operation.

A thermoactuator drives the retention pin for quick tool changes without hydraulic conversion, cutting energy loss and cab exits.

When shared pump demand exceeds capacity, flow is reallocated so lift arm cylinders keep required speed while attachment flow is reduced.

A steel backing material that transforms to martensite during cooling adds compressive stress at the weld, improving fatigue strength at lower cost.

Stored trajectories and sensor feedback let priority valves adjust hydraulic resistance for repeatable construction machine motion under varying loads.

Dynamic solenoid valve opening boosts arm crowding and dumping response while preserving precise compaction near the target surface.

Electronic boom angle control smooths hydraulic valve actuation to cut excavator shock and vibration, reducing fatigue and wear.

Joystick-based power scaling limits implement actuator demand to prevent engine overload, preserve propulsion power, and reduce stalling.

Sensors track joint articulation and tribological load so lubricant is delivered only when needed, reducing kinematic joint friction and wear.

A mechanical hydraulic switch lets standard excavators run either the gripper drive or swivel drive without adding extra hydraulic circuits.

A lug-pin lock assembly lets demolition tool cylinders decouple without lifting the pin, cutting maintenance time and simplifying replacement.

Shiftable reduction and increase valve sections match actuator flow demand, cutting hydraulic horsepower loss in working machines.

Sensors and proportional priority valves let hydraulic drives follow stored paths more accurately while keeping joystick operation simple.

A supplemented curved target face smooths boom motion across design face junctions, preventing bucket entry without raising operator workload.

Open-loop motor and valve control cuts hydraulic noise fluctuations in battery-powered utility vehicles while keeping fluid flow smooth.

Spherical plain bearings and hose restriction members cut joint rattling, hose wear, and rainwater intrusion in articulated working machines.

Electronic control of carriage shaking overcomes electro-hydraulic latency, delivering consistent oscillation amplitude and frequency with less operator effort.

Internal pin passageways and a mounted distributor replace multiple exposed hoses, simplifying lubrication and reducing debris damage.

Virtual bleed control replicates negative control in closed-center hydraulics to stabilize actuator speed under varying loads without bleed lines.

Pressure feedback in a hydraulic cylinder lets the pump hold load-side pressure and damp attachment vibration without added damping hardware.

A switching valve keeps minimum pump delivery during idle periods to preserve the oil film, improve reliability, and reduce fuel use.

Folded web plates form internal bulkheads in hollow manipulator sections, simplifying welding while resisting bending and torsional loads.

Structural adhesive bonding replaces welds in box-section working arms, cutting stress, fatigue, corrosion, weight, and build cost.

Periodic switching-valve opening keeps minimum flow in a closed-circuit pump, protecting the oil film during extended zero-delivery periods.

Virtual negative control keeps hydraulic pump flow appropriate in closed-center circuits while avoiding unloading energy waste and bleed lines.