Cranes TRIZ Cases

A movable tool holder shifts between transport and coupling positions on a crane base, resolving spatial constraints during tool exchange.

Intermediate support holder secures guy lines and intermediate support lines via a connecting unit.

Control system compares theoretical and actual jib speeds to prevent cable slack.

Segmented substructure modules and adjustable guying systems reduce assembly time while maintaining structural stability during transport.

A transport container integrates a foldable lifting jib and pivot actuator to enable autonomous overhead crane setup.

A crane lower jib attaches to the boom in a laid-down posture between the boom and strut.

A tower crane uses a counter-jib hoist rope to adjust balancing weight position for flexible ballasting.

IMU detects hook deviation from plumb position to resolve operator visibility limits.

A low build electric luffing crane uses a sliding yoke and fixed strut to adjust boom angle.

Segmented connecting elements and centering means enable quick attachment of mobile crane ballast, eliminating manual alignment delays.

A gantry connection member uses a shaft section and guide portion to automatically engage a holding mechanism during state transitions.

A crane control system calculates load capacity by scaling maximum target values to intermediate counterweight positions.

A telescopic framework moves a crane counterweight unit along the superstructure using a single drive.

Spring-biased rigid body rotates to align with the cable, preventing two-block damage during lifting operations.

A mobile transport unit with tilting arms moves crane attachment parts between storage and the telescopic jib.

An optical measurement system determines cable angle relative to gravity, preventing load oscillations caused by misalignment during lifting operations.

Auxiliary supports maintain balance while the crane's operation part handles leg assembly, eliminating auxiliary crane dependency.

Slope surfaces on a crane boom retainer guide a guy link coupling member to a predetermined position, eliminating tensile forces during pin disassembly.

A hook device uses independently rotatable locking portions to automatically align with a cargo's center of gravity.

Hydraulic cylinders lower the winch on a mobile crane pallet to reduce transport height and axle loads while maintaining operational readiness.

A crane monitoring system estimates future center of gravity positions to determine stability reserves and restrict movements.

A hydraulic crane uses a first link to guide cylinder movement along an arcuate path, enabling automatic adjustment of the inner boom connection point.

Segmenting the jib into discrete elements allows calculating reach-specific stress limits, optimizing load capacity while preventing structural overloading.

Hydraulic cylinder and counterweight structure raise the mast without gantries, reducing setup time.

Main jib extension repositions guying support to maintain bearing load capacity during length expansion.

Asymmetric support arrangement reduces weight while preventing tilting moments during load handling.

Cameras capture load perimeters to define a 3D safety zone, replacing complex sensor arrays that increase installation costs.

A pivoting boom counterweight assembly extends the wheel base of a truck chassis to provide dynamic lifting support.

A three-dimensional working range diagram displays boom movement in spatial coordinates.

A pin actuator assembly incorporates a motion mitigator to absorb drive arm movement and protect the electric motor.

Real-time obstacle detection controls crane movements to prevent load contact with dynamic hazards on construction sites.

A jib crane uses a high-strength brace along the boom top to increase load capacity while maintaining a low profile.

A hydraulic cylinder and biasing mechanism raise the mast of a mobile lift crane without external equipment.

Relocating adjusting cylinders to the superstructure resolves maintenance inaccessibility while spring elements ensure safe bolt positions during energy loss.

A pipe lifting apparatus uses a winch and cable to raise pipes from storage tank sleeves.

Segmentation keeps the cylinder attached to the jib foot while detaching the securing part from the mast, reducing assembly time.

A rotary tower crane controller manages drive device actuation modes to handle extended load capacities.

A crane control system manages actuators and sensors to detect exceptional events and switch to safe operating modes.

Jack screw and worm gear convert rotational motion to linear movement, eliminating pneumatic systems that cause cable fraying from high tension stress.

An integrated fixing boss maintains gaps between nested booms without direct welding, suppressing manufacturing strain and enabling a lightweight structure.

A gravity-driven wind-catching system deploys on a tower crane boom to increase surface area.

Adjustable scaffold structural member supports safety net on stationary outriggers, bypassing rotating boom restrictions to cut setup time.

A hoisting crane jib uses parallel hollow casings connected by a truss to create hybrid portions that enhance structural rigidity.

Positioning apparatus detects operator location relative to outriggers, enabling a single command device to activate the nearest support leg automatically.

Large guide wheels reduce contact pressure on flexible hydraulic tubes, preventing coating breakdown and extending tube lifespan.

A hydraulic compensation device maintains constant load cable tension on articulated vehicle cranes by automatically winding or unwinding the cable.

Automated coupling drive vertically adjusts crane-side connection parts to engage ballast receiver cylinders.

Altering hoist rope reeving separates deflection from the trolley, resolving dead weight moment and rope length constraints in steep jib positions.