Load-Engaging Elements TRIZ Cases

A hinge coupler and swing arm invert the robotic arm to hold bypass bus bars stably over energized components without crane rotation.

Real-time line and sheave block utilization analysis helps wrecker operators identify rigging setup states for safer, more efficient towing.

A stacked insulator support and rotating lifter head let heavy sub-conductor bundles be repositioned safely during energized maintenance.

Electrical brake valve control lets a mobile crane brake from the upper carriage without rotary pneumatic or hydraulic line routing.

Branched split magnetic poles spread flux evenly, preventing thin steel plate saturation and controlling how many plates are lifted.

A linearly integrated grab and sling hook replaces separate lifting hooks while improving handling and reducing finger entanglement.

Removable sheave nests let worn spreader beam parts be rebuilt off-site without transporting the full beam, cutting repair transport cost.

Two locking elements and a biasing element keep the hook arm secured, preventing accidental opening under wear or abnormal forces.

A linked release and actuation button lets an underwater hook open reliably under jaw-latch load while springs restore the secured state.

Axial spring compliance gives a threaded load anchor enough play for full thread engagement, helping prevent loosening and assembly errors.

Actuator-priority path planning helps cranes move loads within weight-based operating ranges while cutting transport time and fuel use.

A low-stiffness locking spring lets the release button move before the actuation button, keeping an underwater hook easy to open under load.

A spring-biased dual-hook assembly enables one-handed or unmanned attachment to closed-end objects while staying engaged under varying loads.

Section-based target speed planning and filtered speed transitions help cranes follow set paths while suppressing load swing.

A single locking-and-drive button prevents clasp and unlock-button interference, improving remote gripper operation in polluted conditions.

Within a load-dependent operable range, the crane selects node-based transport paths by actuator priority to reduce time and fuel use.

A pivoting line guide lets a heavy lifting hook be pulled into place from the ground, improving overhead attachment safety and ease.

A hinged mirror-image hook with spring bias enables one-handed or unmanned attachment while resisting disengagement under changing loads.

An axial obstruction inside the clevis hook member stops load pin slippage while reducing extra retaining parts and assembly complexity.

Kinematic transformation lets multi-drive hoists position and rotate loads precisely while reducing rope stress, drive load, and energy use.

PI feedback on speed differences between hoist motors suppresses crane sway with simpler control logic during trolley and cart motion.

Kinematic control of six or more lifting drives improves load positioning and cable force distribution while reducing energy demand.

Dynamic sliding mode surfaces adapt to rope length changes in bridge cranes, reducing chattering while maintaining stable anti-swing positioning.

A locking area built into the push-button disengages before opening the closure, preventing button blocking in single-arm gripper use.

A rotatable hoist ring with an integrated lock lets suspended workpieces be set and held at the required orientation during lifting.

Rapid crane lift checks use stored setup data and task inputs to predict feasibility, optimize operating parameters, or suggest changes.

Automated winch control keeps crane boom and jib ropes within permissible tension, reducing expert manipulation and rope damage.

Pressure and force sensing help vacuum suction cups warn of seal loss, adapt to rough surfaces, and reduce continuous power demand.

Filtered load-feedback control damps swing-prone frequencies during crane lift-off, shortening hoisting time while stabilizing suspended loads.

A pivotable attachment yoke grips rotor blade building elements from top or bottom surfaces to enable 180° rotation with less deformation risk.

Calculated wire payout matched to boom angle and hook posture prevents irregular winding and hook damage during automatic crane boom motion.

A boom-mounted wide-angle camera and controller generate selectable corrected views to cover crane blind spots across different configurations.

Parallel winch control adjusts hoisting speed by derricking angle and operator correction to keep suspended load height stable during transfer.

Electric actuators and selective claw wagon control improve pulp unit release in tight spaces while avoiding hydraulic oil contamination.

Mass and posture inputs are used to estimate crane attachment and load deflection, improving interference checks against nearby objects.

A rod, dowels, and detachable lift point let CLT panels be lifted on site, then reused as anchors to cut equipment and logistics burden.

Image and distance data are combined to estimate suspended load weight before lifting, improving crane safety and operating efficiency.

A clamp, rollers, and sliding surfaces guide the crane hose through the first arm to prevent coiling, damage, oil leaks, and hard replacement.

Sensors and a pivotable coupling let the crane controller synchronize counterweight carriage movement, reducing damage risk and manual control.

A battery-based crane power module with charger and carrier interfaces cuts emissions and noise while preserving flexible hybrid operation.

Pressure relief valve control routes hydraulic oil to tank so telescopic boom cylinders fully retract and avoid leakage-driven misalignment.

A hinged swing rod lets one operator move a heavy tower crane step-changing frame, cutting manual effort and speeding step attachment.

A movable crane and opposite-side winch balance heavy securing members on tower lifts, preventing sticking and shear forces during positioning.

Tracks crane actuation and auxiliary loads over time to detect excessive power use and improve long-term energy management.

Bolt-locked grippers, rotation limiting parts, and interlocks let a climbing crane ascend safely while avoiding slippage and falls.

Tension and angle sensing let the controller block boom lifting when arm length exceeds safe limits, preventing joint overload and boom damage.

A freely rotating gripper lifts heavy flange bolts from horizontal to vertical in one crane maneuver, reducing manual repositioning and tool changes.

A hook-mounted propulsion system applies simulated and real-time counter force to reduce crane load sway in wind and motion.

Before lift-off, the crane tensions sling ropes and shifts the boom tip to auto-align the hook, reducing side pull and load swing.

An adjustable lever stop limits vent valve travel in a vacuum lifter, preventing rapid hose inflation and damage during lowering.

Discrete guying elements replace ropes and winches to fit boom extension length while cutting weight, tolerance issues, and cost.

Sensor-based motion compensation and feature tracking keep crane-suspended loads aligned with targets despite wind and wave disturbances.

An asymmetric arched beam in a hanging fitting manages eccentric loads on threaded anchors while preventing uneven wear on rotary coupling members.

Slanting interfaces convert pulling actions into distributed clamping force, preventing damage to heavy objects.

A tower crane guide frame moves vertically to position positioning cables for stable wind turbine rotor blade guidance.