Roads Maintainence TRIZ Cases

A replaceable milling drum fastening mechanism displaces locking elements via a drive device to resolve inaccessible bolt constraints during part replacement.

A leveling tool uses a movable part to adjust height along a fixed reference surface.

Self-propelled milling machine with adjustable heads and opto-electronic detection system.

A removable thermal cover insulates the bottom working surface of a paving machine screed plate, reducing energy loss and shortening heat-up time.

A road milling machine uses a reference marking system to trigger precise drum height adjustments for accurate obstacle clearance.

A height-adjustable hold-down device applies contact pressure to counteract compressive forces from road fragments.

Side form height sensors detect ground variations, enabling actuators to maintain optimal downward pressure and prevent concrete leakage on uneven surfaces.

A control system limits emulsion heater operation based on real-time engine load data to maintain optimal fluid temperature.

Coil springs store potential energy to urge a work machine walkway unit from deployed to stowed position, reducing manual effort and operator fatigue.

Tire tread sensors measure contact stresses to estimate water height, enabling dynamic detection of hydroplaning intensity despite variable road conditions.

A cross slope monitoring system uses tow point lift cylinder sensors to detect screed orientation deviations during paver operation.

Embedded sensors in a reusable tire patch measure thickness via ultrasonic reflection, replacing manual visual inspection with automated alerts.

A modular transverse distributor auger system uses a detachable outer bearing connection to support extending shafts for variable working widths.

Axially mobile drum drive unit transmits torque while compensating for thermal expansion, preventing bearing overloads and ensuring dust-tight sealing.

A worm gear height adjustment device for road finisher screeds eliminates bulky toggle joints by extracting load-bearing functions into separate support legs.

Metallurgically bonded tip reduces drivetrain weight stress.

Relocating guide rails beside the tread eliminates tripping hazards and protects components from driver contact damage.

A soil compactor links scraper actuation to sprinkler fluid pressure, merging hydraulic circuits into a single pump system.

Applying asphalt membrane emulsion before paving reduces voids in longitudinal joints, preventing water intrusion and extending road lifespan.

A road paver screed heating element uses independent resistance wire windings to distribute electrical power across modular compacting units.

An automated winch-cable mechanism replaces manual four-post adjustments, reducing labor time and improving collinearity maintenance.

A quick-change milling drum box unit integrates a hydraulic bus system for centralized energy distribution.

Multi-camera image synthesis creates an overhead view that reveals hopper wing blind spots and paving material accumulation levels.

Adjusting the shoulder angle of an extending screed enables stable installation and reduces stress on height adjustment devices.

Modular paving form assembly integrates anchors into sections to resolve labor-intensive assembly and inflexibility challenges.

Self-loading apparatus delivers stemming material to restricted blast holes while enabling real-time inspection.

Controller switches tow point adjuster to high speed, reducing operational time for obstacle creation and transport preparation.

Extracted fasteners on the machine frame enable quick mounting while maintaining structural strength.

Telescoping support tubes with hydraulic actuators enable manual width adjustment without heavy equipment.

Cascade control compensates subsoil unevenness by nesting traction point feedback within guide wire loops.

A road finisher integrates a spraying device to distribute liquid into the material hopper or tunnel during operation.

An automated controller detects road hazards and overrides manual adjustments to prevent collisions while maintaining operational efficiency.

A rotating marking material container reduces flow resistance in road marking machines.

Centrally arranged hoppers and an overhead feed enable continuous dual-layer paving, eliminating supply stops that cause uneven compaction.

A control system senses reaction forces to adjust the milling drum lowering rate and apply braking.

Segmented flexible barriers prevent aggregate segregation by disconnecting under excessive tension, ensuring uniform mat distribution.

Hydrodynamic plain bearing supports shaft at high speeds, reducing noise and complexity versus roller bearings.

Sequential mixing of mineral fractions with emulsion binder and fluxing agent resolves bitumen film distribution issues while maintaining structural stability.

Real-time sensor feedback adjusts liquid asphalt injection rates to reduce material waste and improve mix composition precision.

A thermic torpedo system mixes graded aggregate and stabilizing agents on-site using internal heating elements.

A tamper strip heating element uses a spring accumulator to clamp the rod-shaped heating unit, reducing breakage risk from vibrations and thermal stresses.

Frustum conical male and female coupling elements guide screed extension sector alignment, reducing installation time compared to hydraulic rams.

A road paver control unit determines optimal setting parameters using measured variables and target values.

A pivoting support structure moves the driver's seat and control console along a guide rail to adjust viewing angles.

A reinstatement device uses a dynamic plate to level backfill material in micro-trenches.

Extender mechanisms automate screed depth setup to eliminate manual measurement errors and reduce operator exposure to hot asphalt hazards.