Cranes TRIZ Cases

Fusing environmental and boom motion data, the system detects obstacles in dynamic spaces to prevent collisions across varying weather conditions.

Segmented ballast shifts from the rotating platform to the tractor truck during transport, improving convoy stability without overloading crane wheels.

Hysteresis clutch provides constant braking torque to prevent tower crane autorotation while allowing wind alignment.

Modular beams use tailor welded panels with varying steel grades to reduce material cost while maintaining strength.

Inclined boom surfaces enable self-alignment in lightweight aluminum cranes, resolving weight and strength trade-offs.

A pivotable transfer rocker couples a vehicle crane bracing apparatus to the jib roller head, enabling automatic rigging and de-rigging.

A deflectable coupling element with a sensor detects rope deflection to limit boom adjustments and prevent structural strain during operation.

A mobile crane control unit monitors boom angle and rope length to stop the derrick cylinder when limits are reached.

A conversion device links hoisting and derricking wire ropes via a pivotable link to adjust the jib angle.

Using an auxiliary crane as derrick ballast reduces deployment costs and complexity by eliminating separate transport units.

Oblique strengthening ribs on a cylindrical crane housing distribute boom loads to the slew bearing, reducing peak stress concentrations.

Foldable tension rod reduces ship crane height to pass under obstacles while hydraulic locks maintain stability.

A load monitoring system selectively permits or prohibits crane boom raising operations based on operational context.

Dynamic counterweight deployment via position sensors increases lifting capacity by up to 15% while maintaining machine weight and maneuverability.

Automated detection prevents crane actuation without attached sensors, eliminating collision risks from forgotten safety devices.

Offset engagement holes lock pins to connection shafts, preventing sideways swinging during projection and stowage operations.

Replacing brake and throttle valves with a displacement controller reduces energy losses and vibrations while enabling fast boom response.

A wear pad with a projecting PTFE insert eliminates lubrication needs and prevents chattering in telescoping booms.

Folding members pivot inward and telescopic sections collapse to reduce storage volume, resolving the conflict between lifting strength and transport size.

Circumferential guide elements eliminate axial offset and bending moments, reducing the overall length of telescopic crane boom locking heads.

Perpendicular cross-nut bolts in polyamide sliding elements prevent screw loosening under stress while reducing weight and manufacturing complexity.

Mobile junction clamps limiting elements to a rotating discoidal reaction element for precise rotational range control.

Segmented counterweight plates slide on side members to expand the adjustment range, resolving limited stability in telescopic cranes.

Segmented locking units enable full telescoping travel by eliminating overlap constraints.

A secondary tensile connector transmits compensation forces to the jib, reducing bending loads during raising and lowering operations.

Lateral guy link folding reduces vertical profile while receiving jigs simplify attachment operations.

A mobile lift crane uses a hydraulic cylinder to reposition its counterweight unit along the rotating bed for dynamic load balancing.

A combi-angling plate integrates a hydraulic drive with a mechanical limit to angle a mobile crane jib extension.

Pivoting sheave blocks on a single crane manage monopile rotation, eliminating synchronized dual-crane requirements and reducing boom torsion loads.

A boom component display apparatus uses processing units and connector assemblies to transmit identification data for crane unit booms.

A three-point hoisting system with an inverted pyramid cable configuration stabilizes suspended loads on marine knuckle boom cranes.

Counterweight lifting cylinder pushes mobile crane weight vertically to reduce hydraulic system cost and complexity.

Segmented boom support using tension frames and compression rollers to resolve strength versus rotation complexity in jib cranes.

Hydraulic dual cranes replace jacks to lift tires and gearboxes, eliminating dangerous manual handling in muddy field conditions.

Securing devices limit unintended movements of the folding boom, preventing sliding or falling during assembly.

A telescoping jib design aligns bolting holes vertically in the retracted position to expose locking bolts for external access.

A carrier system mounts outrigger pads horizontally above a truck load container using dedicated lifting points.

A crane superstructure detaches from its carriage to mount on heavy-duty rollers, reducing overall height.

A pivotable guying support deflects normal forces from the luffing cable, relieving telescoping sections and eliminating separate guy lines.

A crane control system monitors tool holding position and arm loading state to activate a safe operation mode that blocks hydraulic movement.

Segmented outriggers pivot between stored and supporting positions to resolve space constraints while the robotic drive ensures precise operation.

Hydraulic expansion and winch pulling adjust landing gear inclination, eliminating complex multi-axial mechanisms and reducing operation time.

A segmented wear pad uses grooves to vary bending stiffness across its length, enabling a single blank to conform to diverse boom section geometries.

Segmenting the boom into a two-strand lower region and single-strand upper region boosts lateral stiffness while avoiding high investment costs.

Segmented boom support creates larger viewing openings, reducing operator stops and improving lifting efficiency.

Hydraulic drives automate folding of the crane lattice piece, resolving manual labor constraints during road transport.

Displaceable sliding frames in a rear-mounted vehicle crane framework optimize space utilization and simplify bracing arm mounting operations.

Modular boom segmentation resolves height versus complexity trade-offs, enabling heavy component installation at great heights.

A tiltable mast system pivots between vertical construction and inclined operating positions for efficient crane assembly.

Outer frame head mounts pulleys on the innermost box section exterior to allow additional sections to slide inside without disassembly.