Cranes TRIZ Cases

Integrating two knucklebooms on a single platform allows one operator to manage both, eliminating redundant machinery and reducing resource waste.

Aligning gantry legs with the boom attachment coincides opposing horizontal forces, reducing net load on the upperstructure and minimizing structural mass.

A mobile crane uses an adjustable ballast mounting apparatus coupled to the superstructure at variable radial distances.

Swiveling counterweight stacks on a mobile crane base plate adjust ballast radius, enabling 360-degree superstructure rotation within a small footprint.

Foldable accordion lattice webs collapse crane boom segments for compact transport, resolving the trade-off between structural strength and container fitment.

A lifting arm mechanism moves a crane counterweight along horizontal and vertical axes to clear structural interference.

Boom raising assist structure uses hydraulic cylinders to support boom weight, preventing tipping during setup without increasing structural capacity.

A universal installation base merges horizontal and vertical engagement seats into one unit, eliminating the need for multiple dedicated bases.

A telescopic auxiliary crane adjusts derrick ballast radius to eliminate specialized ballast wagons and reduce setup complexity.

Multi-directional pin sockets absorb positional deviations from jib deflection, enabling reliable insertion of fixing pins into boom sockets.

A variably adjustable sail unit on a crane jib captures wind energy to generate rotational torque.

A crane control system calculates permissible load using interpolation or extrapolation based on operator inputs.

Guiding members slide a shaft to automatically lock and unlock the stabilizer leg, eliminating manual pin operation.

A telescopic cylinder powers a mobile crane angling drive to pivot the main jib extension.

Holding mechanisms anchor guy cables at telescoping jib segment heads, reducing construction height and transportation size.

Repositioning the counterweight along the boom reduces total mass needed for heavy loads, lowering transportation costs.

Active adjusting units counteract jib deformations via sensor feedback, resolving stability complexity trade-offs while reducing material usage.

Longitudinal protrusions on a U-shaped frame increase buckling strength without adding structural complexity to the telescopic boom.

Segmented slewing actuator uses vertical rack to rotate boom structure, reducing shipping volume while maintaining structural integrity.

Segmented sliding frames reduce framework weight and complexity while maintaining load-bearing capacity for telescoping jib bracing arms.

Three partial luffing-cylinder boxes eliminate tapered corners and resist disruptive wind forces, preventing buckling in the telescopic boom coupling section.

A Z-shaped foldable crane extends its telescopic arm through a fork-shaped receiving section on the lifting arm.

Extruded aluminum mast uses localized reinforcement to resist buckling, resolving the trade-off between structural strength and weight.

A telescopic crane arm uses composite central segments and metal terminal ends to distribute transverse stresses.

Segmenting the crane strut into a swingable portion allows rope pulling to raise the heavy component without auxiliary cranes, reducing required lifting force.

Collar-mounted stopping tabs limit jib crane swing angle to prevent collisions in confined spaces.

A jib coupling system uses a cable and locking pin to secure the boom assembly during stowage transitions.

Transverse guidance and central pistons reduce locking head length by 50 percent while eliminating axial offsets in telescopic crane booms.

A mobile lift crane uses a linear actuation device to move the counterweight unit relative to the rotating bed.

A crane control system calculates maximum horizontal working distances and displays three-dimensional models to adjust boom movement.

A jib connection structure uses a variable gap between the pin and shaft to enable reliable engagement during boom extension.

Pivotable carrier plates dynamically reposition rear ballast to reduce machine width for narrow site passage without dismantling.

A spreadable crossbar mechanism clamps crane structural sections to resolve load-bearing capacity limits caused by manufacturing tolerances in pin connections.

Modular attachment mechanism mounts to parapet walls or ladders, enabling single-user operation of bulky rooftop hoists.

A crane anti-collision system establishes a remote control link to move unoccupied cranes out of collision zones.

A dedicated linkage and load cell measure cable tension directly on the boom block, resolving insufficient force precision from complex sensor arrays.

A multi-crane safety control system calculates movement vectors to prevent overloads and collisions during heavy load transport.

A crane control device determines dynamic safety zones using position and pendulum length to manage suspended load movement.

A jackscrew mechanism drives simultaneous shaft protrusion to align connecting holes on an auxiliary boom.

A crane bracing boom arrangement uses cross-connected guying cables to maintain consistent spacing between attachment points for stable spatial support.

Pneumatic supply charges the hydraulic accumulator via an air over hydraulic booster, reducing maintenance complexity in compact mobile crane booms.

Segmented crane monitoring uses an independent operations planner to prevent single-channel failures and ensure safe load calculations.

A telescopic boom assembly head with a reversible pulley section enables independent crane operation before full reassembly.

Grounded charge arrester contacts fiber rope surface to remove electrostatic buildup, eliminating electric shock risk for crane operators.

A segmented crane boom joins upper and lower steel plates with distinct bending points to distribute forces evenly.

A system detects load cycles using lifting force and position signals to identify cycle start points automatically.

Segmented pin interfaces and linear actuators reduce setup time while maintaining structural integrity.

An articulated pressure prop transfers compressive force from cable adjusters to the counter-boom, reducing erecting trestle weight and space requirements.

Guide rollers prevent frame interference during attachment, reducing device weight and complexity while maintaining stability.

Separating the drive shafts allows independent rotation for inserting mast extensions while maintaining jib horizontality.