Roads Maintainence TRIZ Cases

Non-contact sensor scans replace mechanical targets to resolve alignment precision versus system complexity trade-offs in asphalt paving operations.

Suspension strut sensors detect vehicle position and pressure data to assess road conditions, enabling automated maintenance scheduling for mining fleets.

A concrete straightening tool uses downward channels and upward flanges to align expansion joints in a single pass.

A spring device couples to milling machine lifting columns to provide suspension during travel operations.

Auxiliary hydraulic pump drives travel units through a closed circuit, enabling self-relocation when the primary drive fails.

A stabilized voltage supply unit generates constant mains voltage from a three-phase generator.

A measuring system correlates distance values with evaluation units to adjust construction machine height control.

A cutting machine positions the battery opposite the motor to shield electrical components from dust generated during blade rotation.

Resonant vibration dislodges residual material build-up from paving screeds, eliminating manual labor and maintaining consistent layer quality.

Monitoring device detects operation interruptions to interrupt milling drum drive, reducing energy consumption during non-working periods.

Segmentation and self-service design allow permit-free transport by splitting the unit into two sub-weight components without assembly complexity.

Round tube heating elements reduce convection losses and breakage in road paver tamper bars through secure clamping.

A load cell sensor on the lifting column detects weight support loss to trigger automatic drive control.

Offset connecting rod reduces bearing loads and overall weight by extracting balancing functions from separate masses.

Segmented side cutter milling assembly enables roadway shoulder processing without major structural modifications to the base machine.

Loop-shaped tubular heater with clamping plate distributes heat uniformly across the screed, reducing maintenance downtime.

A mobile thermoplastic applicator uses a heat exchanger plenum to circulate heated air for uniform melting.

A smart steering control system synchronizes steerable track rotation angles to maintain precise path tracking on paving machines.

An adaptive unbalance exciter system adjusts centrifugal force and frequency to optimize soil compaction performance.

A concrete texturing machine uses crown height sensors and adjustable columns to maintain precise texture depth during operation.

Flexible cord guides transmit tensile forces to isolate vibrations, avoiding elastomer aging and double joint complexity.

Automatic control mode system monitors positional conditions to disable autonomous operation when accuracy thresholds are not met.

An open-bottom crusher with rotating blades processes milled road material directly on the surface.

Characterizing tire uniformity machines with spindle alignment assemblies corrects nonuniformity measurement errors caused by uncharacterized component forces.

Segmented links wrap around the compactor drum to replace worn shells on-site, reducing downtime and storage space.

Direct piston-to-plate coupling eliminates crankshaft complexity, reducing weight and improving power-to-weight ratio.

A lithium-ion battery powers an asphalt finisher, replacing diesel engines to eliminate exhaust emissions.

A paving machine screed assembly uses a floating wall and compression mechanisms to adjust lateral clearance.

Detection device on transport conveyor generates activation signal to prevent collisions with milling machines during material discharge.

An automated road paver follows a feeder via position sensors, eliminating manual coordination and ensuring continuous material loading.

Front milling cutters clear collision zones on hollow cylindrical bands, reducing abrasive wear on drum end faces during cornering operations.

GNSS receiver and electronic control system adjust screed position to eliminate manual operator intervention errors during road paving.

An integrated measuring unit combines camera and LiDAR sensors to determine the pose of road construction machines in six degrees of freedom.

Proportional pressure control valves adjust relief pressure based on sensor feedback, ensuring even screed leveling despite external disturbances.

A screed device expands and contracts to match road width while maintaining a minimum length.

Onboard surge tank decouples additive supply from tanker trucks, enabling continuous CIR milling through intersections without manual switching.

An electric drive powers rolling bodies to tilt the compaction plate, eliminating complex chassis mechanisms and reducing maintenance costs.

Controller determines empirical compaction state using sensor signals, eliminating secondary tests.

A swivelable second conveyor adjusts its discharge angle to align with haul vehicles, reducing material spillage during cold planing operations.

A remotely-operable percussion compactor uses electric motors and reaction wheels to regulate device attitude.

A compaction frame integrates a hollow cross area for tool storage.

Rotatable compactor roller sensors detect contact start and end signals to determine the contact size between the drum and substrate.

A flexible carbon steel L-shaped lifting blade breaks up asphalt pavement using a rear-mounted wedge splitter.

A screw conveyor with a variable cross-section gap enables material mixing through vertical escape paths.

Pivotable scraper with actuating lever and latching arrangement resolves maintenance access issues by locking the device away from the roller.

A steering control unit adjusts front end position via crab and articulated joints to maintain uniform roller weight distribution.

Mechanical processing of asphalt shingle waste into controlled powder avoids wet extraction steps.

A feeder uses a main conveyor switch to start automatic working units with defined parameters.

A rotatable carrier ejects road markers onto adhesive using centrifugal force and gravity for precise placement.