Roads Maintainence TRIZ Cases

A road paver screed uses feedback control to measure and adjust the attack angle via independent cylinders.

Computes density from process parameters and compactor pressure to resolve measurement time trade-offs and ensure consistent paving quality.

Dynamic steering of crawler tracks pivots swing legs without sideways skidding, reducing wear and machine instability during paving operations.

Composite extender tubes resist deflection and torsion in extended screeds, maintaining asphalt uniformity without adding weight.

Adjustable eccentric masses in the exciter assembly change vibration magnitude without exposing components to concrete.

Switchable clutches uncouple hydraulic pumps from the road finisher crankshaft to reduce towing loads and simplify engine starting.

A screed assembly couples height and tilt adjustments to synchronize secondary plate positioning with the main screed.

A milling assembly flow director redirects material from the cutting rotor toward a first stage conveyor.

An asymmetric geofence aligns with paving machine motion to detect multiple supply machines in the loading queue, preventing premature material curing.

Articulated gripping arms press kerbstones on narrow longitudinal edges, enabling safe handling in any position without slipping.

Coupling the operator platform to the paving screed resolves poor viewing conditions in low-ceiling environments without adding structural complexity.

Segmented side plate assembly with removable bearing support resolves structural strength versus repair ease contradiction.

Flexible concrete stamps feature border tabs and recesses that engage adjacent units to maintain precise pattern alignment during installation.

A portable snow and ice evaporator uses propane torches to melt frozen surfaces.

An elevated batch mixer in a discontinuous mixing plant reduces installation complexity while maintaining efficient aggregate flow.

Segmented shell portions shift cutting bit alignment to create different groove spacings, eliminating the need for multiple rotors and reducing swap labor.

A grader blade auger-grinder recycles pre-existing shoulder material to restore roadway grade and level in a single pass.

A slipform paving machine uses a mold frame actuator to adjust offset mold height independently of the main lifting columns.

Centralized data processing separates signal generation from display units, reducing mechanical stress on building machine screens.

A slipform paver conveying device uses an integrated high-pressure spraying mechanism to remove hardened concrete residue from internal auger surfaces.

White mineral drying drum burns exhaust pollutants via lamellar recuperator flow control, reducing heat loss and emissions.

Sensors detect material contact on milling machine doors, triggering automatic hydraulic adjustments that prevent debris plowing and reduce component wear.

Multiple burners in a heating hood distribute heated exhaust streams laterally, ensuring uniform heat application and reducing material degradation.

Fixed outer troughs on moving beams adjust width without extra hydraulics, preserving rigidity.

Segmented side walls adapt between stowed and working positions to balance weather protection with compact transport dimensions.

Segmented runners maintain contact on uneven surfaces while adjustable baffles retain pulverized material.

A soil compactor carries marking units on its structure to deposit material onto the surface during rolling.

Composite handle structures resolve weight-strength contradictions by absorbing vibrations while maintaining portability.

Replacing sharp-edged plows with a rounded design prevents stone dragging and groove formation while maintaining accurate grade establishment.

A confusor-like inlet nozzle directs suction flow uniformly across the transverse distributor to extract bitumen vapors.

Spaced adjusting mechanism rotates with eccentric shaft to vary tamper bar stroke, reducing mechanical complexity and force expenditure.

Foot pedal actuation via a reversing lever releases the locking bolt, overcoming manual handling difficulties on slopes.

A strike off plate assembly uses independent actuators to raise and lower left, right, and center portions for precise paving profile control.

A milling rotor housing adjusts its front edge position to enlarge interior space and reduce material resistance during operation.

Independent slide regulation maintains consistent drum positioning, eliminating uneven milling depths and reducing processing time on rough surfaces.

Segmented brackets decouple sensor positioning from machine frame geometry to resolve mounting complexity for blade and non-blade configurations.

Nested measuring sticks resolve the contradiction between device size and measurement accuracy by providing clear visual feedback on tread wear.

Controller detects neutral position and sends signal to actuator, eliminating manual adjustment errors.

Integrating cable laying with road building eliminates trenching, reducing infrastructure disruption and installation costs.

Silane additives lower the operating temperature of asphalt crack fillers below 400°F, resolving high-energy trade-offs while improving adhesion and durability.

A transparent gauge with radiating angle lines determines slope orientation through visual alignment.

Transversely movable milling drums on self-propelled machines enable zero-side edge milling without reversing maneuvers.

An integrated asphalt paver uses a remixing auger in the hopper to prevent segregation and cooling, reducing vehicle fleet complexity.

Pivotal and sliding connections on the mounting member resolve the contradiction between high adjustability and device complexity in paving equipment.