Roads Maintainence TRIZ Cases

Pivoting the flat belt roadway assembly adjusts camber and steer angles, reducing spindle complexity and curvature errors in rolling loss tests.

Cover assembly with scraper members prevents aggregate separation in central space, ensuring uniform asphalt distribution.

Actuators reposition the vertex block along the smoothing plate, eliminating fixed-angle screeds and reducing equipment complexity.

Merging two separate dryers into one unit with a single burner reduces plant rated power while minimizing polluting emissions.

Merging multiple directional valves into one unit reduces component count and manufacturing costs while maintaining reliable terrain-following capability.

A positioning assembly moves a milling machine drive assembly between lateral positions outside and inside the housing.

Segmented upper and lower centering mechanisms limit lateral displacement of scraper blades, preventing tilting during track repositioning.

Buffer silos collect segregated hot mineral material during drum dryer transitions, eliminating scrap production while maintaining recipe consistency.

Replaceable plates rotate on uneven surfaces while dead blow material boosts inertia, reducing recoil and user fatigue during operation.

A milling machine control unit selects operating modes to automatically set drive and work parameters for optimized assembly coordination.

A hitch-mounted material spreader uses a tie-down clamping mechanism to secure the hopper frame to vehicle receivers.

Independent left and right sensor assemblies allow the controller to maintain automatic operation even when one side fails, reducing operator fatigue.

Replacing internal combustion engines with electric motors removes exhaust emissions while maintaining power output for heavy duty indoor cutting.

Lateral offset of the machine drive relative to the conveyor assembly in a road-surfacing charging vehicle.

Actuator assembly with movable locking rods engages mounting holes for quick milling assembly changes without manual alignment.

Hydraulic valves modulate actuator pressure to lift the scraper door, preventing work surface damage while maintaining cleaning contact.

Auxiliary blocks extend the vertical stroke of a milling machine mouldboard by bypassing lateral cam-profiles, enabling deep cutting without rotation.

A milling machine rotor chamber with movable walls adjusts position during lowering to prevent binding events.

A dual drum system dries and mixes asphalt aggregates using sequential gas circulation to optimize energy use.

Chamfered tamper bar edges expand contact area to distribute compaction forces, reducing accelerated wear on the wear plate interface.

Coupling cart speed with nozzle oscillation frequency eliminates uneven cutting depths in high-pressure water jet concrete removal machines.

A road paver screed places a height sensor at the trailing edge to measure installation position, preventing leveling cylinder stroke limits during correction.

Segmented lockable housing protects against vandalism while maintaining maintenance access.

Dynamic baffle adjusts hopper opening based on hydraulic pressure and engine speed to prevent conveyor stalling during unloading.

Segmented rollers apply pressure near boundaries while the main unit stays stable, preventing tipping hazards.

Optical measuring device replaces mechanical sensors and reference wires with a 3D point cloud to eliminate maintenance and registration errors.

Temperature sensors detect asphalt edges to segment width and quantify compaction work for real-time operator feedback.

Grid impact and offset breaker bars break concrete while preventing lateral drift on inclined surfaces.

Gravity-driven hinged shields on storage container halves prevent road building material loss during folding without adding external complexity.

Extension plate channels hydraulic hoses through frame openings to eliminate fittings and improve drum visibility.

Pulleys reverse the eccentric mass rotation during backward travel, preventing asphalt tearing and reducing operator strain.

Adjustable support assembly shifts mold assembly forward to resolve operator visibility constraints during paving operations.

Integrating a liquid chamber within a rotational molded hopper resolves the trade-off between storage capacity and device complexity.

A dual brush row mechanism decompacts and redistributes compacted infill to prevent capping and maintain field safety standards.

Sensors scan the asphalt mat behind the screed while a controller adjusts speed and angle to correct surface irregularities.

Independent pumps prevent mutual interference between roller and edge device circuits, ensuring continuous operation during single pump failure.

Hydraulic impact systems deliver controlled energy to compact fine particles without structural damage from induced waves.

Counter-handed augers in a hopper remix hot mix asphalt streams to prevent segregation and ensure uniform particle distribution.

A curb former replaces labor-intensive manual screeding with a detachable profiling drum that rotates with the drive shaft to produce precise concrete profiles.

Segmented working sheaths mount on a support structure using intermediary fasteners, enabling smooth or structured exteriors without compromising durability.

A segmented protective roof with adjustable supports lowers the structure for transport and reconfigures laterally to clear overhead obstacles.

Variable cross-section exhaust pipe creates Venturi effect for dust extraction while keeping the fan isolated from contaminants.

A material bypass prevention plate with a projection blocks gaps between main and extension screeds.

A milling drum location indicator system detects the drum position in an external reference frame to guide operator actions.

Electronic pressure sensors measure cylinder force to calculate compaction weight, replacing manual estimation and improving ground contact precision.

A rotating brush ring ejects liquid grit in small droplets to ensure uniform distribution across wide areas.

Segmented drive gears allow vertical side plate movement to seal milled material while preventing road surface damage.

Lowering the longitudinal conveyor onto a feeder chassis using projections and recesses eliminates complex alignment work during assembly.

Gas pressure sensors detect soil stiffness by measuring air pressure in the chamber, eliminating complex multi-sensor data evaluation.