Train Hauling Devices TRIZ Cases

A pendulum-mounted rail axle helps a road-rail excavator maintain rail contact on uneven track, improving guidance and reducing derailment risk.

A switchable bearing lets pendulum-mounted rail axles absorb rail unevenness, maintain rail contact, and lock for higher load capacity.

Electromagnets lowered near the rails add downforce only when needed, boosting railcar mover traction without extra ballast or larger power sources.

Separate road and rail wheel sets let one freight vehicle switch modes, cutting labor and fuel costs while avoiding rail yard delays.

Selective braking across distributed rail cars cuts wave energy during indexing and dumping, reducing coupler fatigue on graded tracks.

Movable route guides switch carrier vehicles between linear motor paths, preserving precise guidance while enabling faster, flexible material flow.

On-demand magnetic attraction to the rails adds downforce for railcar movers, improving traction without ballast or a larger power source.

Motorized claws grasp and position a railcar air hose automatically, removing manual coupling risk while maintaining brake control.

Spring-biased wheel subsets keep a form-and-seal machine wagon engaged with its rail, reducing manual adjustment, downtime, and wear.

Controller merges vehicle propulsion with indexing systems to provide additional tractive effort, eliminating the need for separate high-force equipment.

Automated shunting operations eliminate manual wheel chock labor by using an adjustable buffer stop that extends to contain wagons and retracts for departure.

Switching operating modes based on target location maintains braking reliability and prevents delays in overcrowded sidings.

Decoupling the gear drive from the axle allows the rail vehicle to shunt independently, eliminating the need for separate locomotives.

A hump-shunting controller adjusts target exit speeds and braking forces based on detected wheel-to-brake friction levels.

A rail transport device uses dynamic suspension to adjust wheel positioning for secure fit and rotation.

Rail contacts detect vehicle passage to calculate track section length, eliminating optical measurement errors across switches.

A shunting hump control device determines curve resistance values based on running gear types to manage track brake forces.

A rotatable support beam switches between perpendicular and parallel positions to pull or release vehicles in inspection passages.

Segmenting the base machine from a universal attachment reduces equipment costs while maintaining reliable rail car movement.

Predicting the first operation's end time allows dynamic speed profile adjustment, eliminating unnecessary braking and acceleration cycles during approach.

Contactless data exchange device detects adjacent wagon presence to manage automatic train coupler buffer position.

A control computer switches to time-based operation when the distance counter fails, maintaining push-off locomotive movement.

A direct-drive carriage mechanism transmits force via a shaft and pulley.

Pivot arms and a pressure cylinder engage drivable wheels with tracks, eliminating external locomotives for flexible work unit transport.

Deployable bolt elements guide rail car wheels, reducing mechanical complexity and friction during road-rail transitions.

Independent scanning systems enable direction changes at junctions and track gauge adjustments during continuous high-speed operation.

A removable maneuvering device uses a motor-driven roller to drive rail vehicle wheels via friction for precise independent movement.

Segmented locking and checking devices resolve passenger interference delays, ensuring operational continuity without unnecessary system halts.

Station mechanisms extract delayed vehicles from the main stream into compensation positions, maintaining continuous operation and regular timing.

A beam brake control method calculates actuating forces using finite element analysis and state space models to optimize braking dynamics.

Hydraulic cylinder extends brackets against railcar frames to establish fixed spacing, eliminating worker exposure between moving cars.

Dynamic speed determination replaces fixed targets, reducing follow-up times by adapting braking force to individual wagon mass and brake capacity.

Leaf springs connect guide rollers to metal structures, reducing vibration from cable contact and minimizing noise pollution in urban environments.

A shunting hump control device detects multiple curve running phases to determine precise rolling resistance values for rail vehicles.

A friction drive trolley conveyor uses upper-side hook engagement to transmit traction forces directly through the load bar structure.

A shunting yard brake control system coordinates entry and exit speeds across multiple track brakes to minimize push-off time.

An elastic sliding means connects multiple model vehicles via guide pins, eliminating collision risks caused by independent wheel speed variations.

Universal dog chain replaces fixed drive dogs with modular links and interchangeable pusher attachments, eliminating inventory complexity.

Automated transfer bridges and movers align railcars to reduce operational complexity while increasing throughput.

Block and tackle mechanisms engage when main cables fail, locking capstan winches to prevent camera falls.

Segmenting the drive and braking modules reduces cable length and enables precise stopping without complex installation.