Rail Joints TRIZ Cases

A hollow triangular shelving track hides joins, levelling, and anti-tilt runners to improve stiffness, stability, and trip safety.

A hollow track with a central channel and recessed anti-tilt support improves mobile shelving stability while reducing exposed trip hazards.

A sliding splice joint and connection box let adjacent rails move longitudinally while preserving continuous rail-wheel contact and guidance.

Angled sliding planes guide the lamella while keeping out dust, reducing wear, and maintaining uniform force transfer across structure joints.

Tapered switch-rail surfaces smooth stiffness changes in bonded insulated rail joints, reducing stress concentrations and fatigue-crack risk.

Detachable end-post portions and cured sealant recesses enable efficient railway insulation-joint repair with less dismantling.

Segmented mould pieces nest over an existing rail collar to position the repair area, eliminating the need to cut out entire defective rail sections.

Acute-angle bevel rail gaps eliminate wheel impact and thermal stress, reducing construction costs and enhancing railway safety.

Continuous compressible sealing coating prevents sand inclusion and reduces stress concentrations at the weld seam during railway track aluminothermal welding.

A stiffener parallel to the rail distributes load and maintains contact with crosspieces, preventing deformation when structural elements separate.

Embedded metal reinforcement boosts the strength of insulating joints, extending lifespan and reducing maintenance costs for railway tracks.

Staggered rail ends with unstaggered lower edges enable full-width welding to mountings.

Metal matrix composites replace polymers in rail joints, preventing insulating property loss and mechanical discontinuity under dynamic train loads.

Epoxy bonds rail joint bars to standard rails, creating a composite lap joint assembly that resists deformation under train impacts.

A detachable strip-like wall on a rail expansion device enables direct access to sliding parts without removing the road surface.

Interlocking tenons join running rails flush, eliminating gaps that cause wheel wear and reducing on-site welding hazards.