Cranes TRIZ Cases

Segmented fishplate base portion with secondary weld bead distributes mechanical loads to limit stress concentration on the main weld seam.

Segmented connectors with alignment surfaces enable rapid pin insertion, reducing assembly time for large capacity cranes.

Segmented carbody members with integrated ring gear sections connect via trunnions to reduce setup time while maintaining structural strength.

A lattice mast element uses adjustable transverse elements to form a two-dimensional load-bearing structure.

A boom attach device uses a drive cylinder to extend and contract the boom for easy attachment.

Unified limit curves reduce data storage scope while maintaining independent monitoring of stability and component strength for safe crane operation.

Intermediate wheels on the base support the unloaded crane, allowing single-operator leg adjustments without a second helper.

Asymmetric double boom pins counteract unbalanced loading torque to prevent oil leakage and seal wear in single-cylinder telescopic cranes.

A crane jib profile with a segmented contour line enables thinner metal sheets and simpler manufacturing.

Pivotable support carriers fold into the crane pot structure, reducing setup time and meeting regulatory height limits.

A lightweight auxiliary extension device made from composite materials with fibrous structures.

A telescoping jib securing unit uses a single driving bolt to attach an additional jib section.

A steel bushing bridges mismatched bore diameters in tower crane elements, eliminating time-consuming welding and re-drilling operations.

A crane control apparatus filters drive signals to predict boom braking distance and displays the result for operator awareness.

A climbing frame guide uses resiliently flexible transverse support elements to absorb lateral forces during vertical movement.

A crane counterweight features a pivotable winch pick-up means for attaching auxiliary hoisting gear outside the turntable radius.

An electric linear actuator drives a locking head with a motion mitigator that applies spring force to unstuck cylinder pins in cold or pressurized conditions.

Interchangeable chassis units dock to a crane module using standardized engagement elements, enabling rapid adaptation to diverse operational environments.

A stowable luffing jib pivots on a crane boom to deploy luffing capability without external transport.

A foldable crane support apparatus uses a hinged chassis and reinforcement element to mount tower cranes on building sides.

Telescopic beams adjust the resting base width to match its length, resolving the contradiction between stability and transport size limits.

A segmented link system extends the hydraulic cylinder moment arm to increase lifting capacity while maintaining angular range during Z-shaped parking.

A rotatable swing arm assembly aligns a winch cable with a distressed vehicle to enable towing from off-road positions.

Segmenting a lifting device into modules allows assembly via platform hoists, avoiding expensive floating cranes in rough seas.

External suspension cables anchor the crane base, reducing required counterweight mass by up to 90%.

A crane support plate uses a detachable fastening device to connect the support leg, allowing the plate to hang on the arm during vehicle maneuvering.

A movable placement device on a mobile crane undercarriage supports counterweight elements, resolving alignment complexity and preserving maneuverability.

Segmented sheet metal box structures direct luffing cylinder forces into stiffer boom sections, reducing weight and buckling risks in telescopic cranes.

A telescopic jib integrates a swing-out mast on an inner box to increase structural load-bearing capacity.

Replacing three pistons with one unit reduces weight, while nesting lines inside the rail protects them from external damage.

Dual movable cradles store and transfer offshore crane hooks, eliminating pendulum motion hazards and reducing deck space consumption.

Segmented link and rib members reinforce pipelaying machine booms against torsional bending forces.

Segmented multi-strand lattice mast boom uses wider pieces in specific strands to boost payload capacity while maintaining standard assembly procedures.

An adapter on the lifting device mounts ballast to eliminate separate assembly equipment and reduce operational complexity.

Direct piston activation of safety bolts eliminates gear racks and sliding sets, reducing weight and complexity in mobile crane boom sections.

Segmented mast assemblies join via firm connections to resolve the contradiction between high load-bearing capacity and standard transport dimensions.

Electronic tilt sensors replace mechanical systems to monitor inclination during setup, resolving complexity trade-offs while ensuring safety.

Standardized rotating frame and mounting structures reduce inventory costs while supporting multiple crane lifting capacities.

High-specific-strength fiber tensioning members replace rigid steel cables, enabling lighter transport and torsional flexibility without structural failure.

A crane roll-over protection system uses a hinged base frame with elastic constraints to stabilize heavy lifting operations.

Modular counterweights attached to the free end of the counter-jib allow variable boom length configuration, resolving fixed ballast constraints.

A crane boom hoisting device uses a mast-mounted winch to raise and lower the structure, eliminating time-consuming wire rope rethreading during assembly.

A mobile crane boom supports a deployable net frame that catches falling insulators and hardware during overhead line maintenance.

A mobile crane system manages displacement and fixed work modes to define operational zones.

Modular support brackets enable flexible crane repositioning while maintaining stability across varying building configurations.

Adapting longitudinal chord cross-sections to varying force conditions within truss sections without welding.

Self-service lifting mechanism eliminates second crane requirement and reduces operator exposure to elevated height hazards during boom installation.

A variable span outrigger uses a telescoping leg and intermediate member to adjust the support width for lifting operations.

A portable hoist mounting collar slips over a pivot tube to enable quick detachment and reattachment of the assembly.