Roads Maintainence TRIZ Cases

Rotatable members contact the ground to support a heavy screed assembly during transport.

Parallel grip members on a tamper shaft center the user above the work surface, preventing accidental strikes to legs or feet during heavy compaction.

Driven movement displaces the conveyor device away from the milling unit, reducing mechanical effort and downtime during removal.

A vibratory roller adjusts vibration frequency to maintain a target phase angle between eccentric force and drum displacement.

Sequential control of offset spraying facilities creates straight carpet boundaries, eliminating stepped profiles and bonding agent waste.

A road surface evaluation apparatus derives roughness values from multiple vehicles using speed-based segmentation and correction logic.

Interchangeable holders on a compactor roller enable tool adaptation for diverse substrates, resolving stability and versatility trade-offs.

Variable gear ratios dynamically control slip ratio between a test tire and simulated road surface, enabling accurate simulation of dynamic rollover events.

A road machine screed derives independent height values at distinct width positions to level paving material with non-uniform thickness.

Inline apron axes enable planar translation in paving machine hopper assemblies, eliminating acute corners that cause adhesive material accumulation.

Lateral seal members cover gaps between hinged screed sections to block hot asphalt from sticking to heating elements and fasteners.

Hose supports elevate vacuum lines to prevent roadway dragging, reducing crew obstruction and clearing delays during deep trenching operations.

Segmented bearing assemblies support the extended arbor to maintain planarity across wide lanes while reducing alignment time between passes.

A hopper spreader flow regulator controls particulate material discharge to the conveyor mechanism.

Controller calculates directional offset between forward and reverse baseline compaction values to adjust subsequent measurements.

A single dryer system uses indirect heating for recycled asphalt cement to prevent oxidation while eliminating separate pre-dryers.

Segmentation separates the heavy gas pump from a manual cart, reducing operator fatigue while laser lines ensure accurate parking lot striping.

Adjustable rail tracks elevate a rolling screed to level sand beds, ensuring uniform surface finish and precise distribution.

Coupled imbalance weights generate horizontal oscillations through a fixed exciter housing.

Segmenting the compactor frame into universal motive and ballast modules resolves adaptability versus complexity trade-offs.

Sensor signals guide the controller to adjust vibratory effort when parameters exceed the decoupling point, preventing manual adjustment errors.

A paving machine density sensor measures asphalt mat density in real time, allowing the controller to adjust screed pressure and speed for accurate compaction.

Pivot bearings allow the gripping jaw to tilt against uneven block layers, distributing clamping force and preventing edge displacement.

Onboard sensors measure torque and incline to calculate rolling resistance, enabling accurate weight determination without external scales.

Rotating deflectors distribute microwave radiation across asphalt surfaces, resolving non-uniform heating and binder degradation from direct flame methods.

A construction machine uses a camera and display to superimpose project data onto real-time terrain images for the operator.

A soil compactor detects asphalt temperature to adjust roller vibration.

Segmented electric heaters preheat seams to match fresh asphalt temperature, preventing overheating while an air-stream unit removes surface moisture.

A drive-over tire tread scanner unit uses laser triangulation sensors to measure tread depth and wear condition.

Segmented overlapping plates create an air gap that prevents caking and ensures uniform material advancement in bituminous coated product manufacturing.

Aligning the pull and pivot axes on a paver tow point assembly enables free-floating screed movement that maintains uniform paving material distribution.

A milling machine controller coordinates drum lifting with travel trajectory to maintain surface levelness during repositioning.