Roads Maintainence TRIZ Cases

Dynamic sprinkler activation based on real-time temperature detection prevents asphalt adhesion while conserving water.

Releasable insulating means with high friction connection elements reduce heat emission from road finishing machine screeds.

Optical temperature sensors measure wheel tread heat to regulate sprinkler activation, preventing asphalt adhesion while minimizing release agent consumption.

A road paving machine tractor travels autonomously toward a trailer platform under control device instructions to enable driverless loading operations.

A shiftable coupling adjusts the milling drum kinetic mass to reduce vibration at lower rotation speeds while maintaining smooth operation.

Controller detects drum lowering and reverses actuator to offset moldboard weight, preventing roadway binding.

A control unit adjusts milling drum height based on advance speed and rotational speed to maintain consistent depth.

A battery stores generator output to supply screed heating, allowing the diesel engine to shut down and cut fuel consumption.

A road milling device uses continuous spatial measurements to generate a digital 3D model for precise second layer removal.

Controller manages electric screed heating elements using redundant temperature sensor data to prevent overheating when primary sensors fail.

A swiveling guard plate on a paving screed fixture enables rapid access to fastening elements, eliminating time-consuming disassembly of baffle plates.

System uses height threshold feedback to stop the conveyor, preventing asphalt segregation during initial mat formation.

A flexible lid element connects transfer and reception openings in milling machine conveying systems.

Combines strike-off, compaction, and finishing functions to eliminate multiple passes.

Real-time temperature alerts from a paver-mounted scanner help compactor operators adjust parameters for optimal asphalt density.

Dynamic plate adjustment maintains optimal mixing quality while preventing machine slowdown during direction changes.

A combination door and platform provides direct access to the chain tension adjustment assembly on a material transfer vehicle.

A vibratory system reverses rotation direction to maintain compaction stability.

A compaction sensor measures acceleration changes to monitor pavement density during roller passes.

Independent clutch engagement controls individual auger sections, preventing overfilling and ensuring uniform paving material distribution.

Nesting components inside the rotating drum shell expands installation space and reduces the Nijboer number.

A hollow tube dowel support embeds steel dowels in concrete decks, preventing worker impalement hazards from exposed protruding bars.

Sensor-based ventilation eliminates manual operator dependence, reducing energy consumption and noise pollution while maintaining air quality.

Integrating spray tanks into the paver bunker resolves capacity and stability trade-offs.

Independent track control steers a slab saw, eliminating manual alignment effort on uneven surfaces.

A sideways drift correction device uses image recognition to determine relative motion direction and derive steering corrections.

A variably expandable paving machine frame adjusts width laterally to spread diverse materials.

Segmented tamper bars adjust stroke and frequency locally to maintain uniform pavement thickness despite varying layer depth.

A hydraulic proportioning system uses a flow divider to split fluid and drive separate pumps, eliminating pump substitution to achieve precise ratios.

A suspension system uses a rotatable connecting profile to link spaced pull arms, enabling adjustable movement and reduced stress on the paver screed.

A road milling machine leveling device uses unilateral distance measuring devices to adjust the machine frame height and inclination.

A laser dynamic deflectometer measures pavement deformation velocity under rolling loads to capture deflection basin data.

A pivoting cover member seals the gap between rear and side wall members of a paving machine hopper system, preventing material spillage during operation.

Lateral limiting devices stabilize V-belts against whiplash movements, extending service life.

Lift cylinders adjust the rotor housing side plate to track uneven terrain, preventing ground material escape from the cutting chamber.

Pivoting longitudinal and transverse working devices enable rapid task switching on a concrete curing machine, reducing frame pitching impact on tool height.

Power transition adjusters bend the transverse frame to conform to nonlinear downslope profiles, resolving adaptability versus complexity trade-offs.

Proportional directional valves replace binary solenoids to continuously adjust hydraulic cylinder speed, resolving paving surface irregularities.

Segmented recesses and intermediary flights protect fasteners from asphalt abrasion while enabling single-handed installation.

Anticipating operational changes through pilot control reduces load peaks and prevents engine stops in road finishing machines.

A hydraulic control system adjusts leg height using pressure sensors to stabilize machine orientation during operation.

Adjustable edge processing axis creates curved soil transitions, preventing cavities and sharp edges during compaction.

A road milling machine uses predictive object signals to locate underground features during operation.

A road paver uses a GNSS receiver to automatically adjust tamper compaction performance based on target layer thickness.

A road roller service water tank uses a rigid plug connection between parallel tank bodies to simplify assembly.

Resilient baffle panels extend into the asphalt receiving hopper to retain material during truck dumping operations.

A connecting apparatus enables a working device to hang and self-align via gravity, reducing mechanical stress on centering formations.

Air barrier devices create protective air walls that seal off operators from hazardous vapors and aerosols generated during road construction operations.