Mechanical Machines/Dredgers TRIZ Cases

A rotary mixer drive system switches between pressure balance and wheel speed synchronization modes to maintain traction across varying ground conditions.

A jet pump converts sub-standard sand into standard frac sand through hydraulic erosion and washing.

A hydraulic hammer buffer system embeds an insert member within the wear component to provide a visual indication of material loss.

A guide tube system with a rotatable movable part controls chassis orientation via a coaxial coupling device.

A control device operates a traveling actuator based on target position information to enable autonomous movement.

Two four-bar linkages maintain consistent bucket orientation relative to the ground without requiring additional tilt components or complex assembly.

Agitation members create a chimney effect that prevents fluid escape into surrounding ground while enhancing volatile pollutant recovery efficiency.

A controller stores and selects electro-hydraulic settings for work vehicle components.

A shovel display device shows calculated work amounts in chronological order to visualize operational progress.

A control architecture monitors the excavating implement angle to activate automatics mode when the angle falls within defined ranges.

Adjustable monitor attaching base inside the operator cab allows flexible display device placement.

A hydraulic control device restricts pump capacity during combined boom lowering and arm pushing operations to optimize oil distribution.

A clamp implement follows bucket motion via a controller and actuator system.

Segmented bucket members use local quality principles to relieve fatigue stress at weld joins, preventing cracking without excessive weight.

An articulated drilling module pivots cutting elements to maintain alignment during excavation.

A support member for an excavator canopy mounts on a heat exchanging device frame to reduce weight.

A hydraulic excavator control system generates designed surface data segmented by bucket position to optimize excavation operations.

A floor member design positions the indoor unit mounting surface lower than the foot rest to create a successive plane.

Controller calculates bucket cutting edge direction to maintain predetermined excavation angle, reducing soil resistance and fuel consumption.

Controller automatically selects reduced traction mode at startup, eliminating operator intervention and improving fuel economy.

Image sensors detect surface irregularities ahead of the blade, allowing the control system to adjust implement position and maintain grade precision.

Automated stabiliser control adjusts vehicle roll angle to reduce manual setup time.

PID controller predicts pilot pressure fluctuations in the boom-lowering conduit to suppress minute control lever vibrations during excavator operation.

Controller reduces pump discharge flow rate during gradual turning deceleration to prevent energy waste from blocked hydraulic oil.

Segmenting the pin body into two members joined by a bolt resolves the contradiction between insufficient strength and simple structure in drilling tools.

Sequential operation of a push button and pivot lever prevents erroneous movements during reverse facing work.

A vehicle-mounted frame holds a rigid extracting member with a knife-like free end to cut and lift plant roots directly from the ground.

Integrally formed ring gear and skirt portions reduce manufacturing costs for motor grader circle assemblies.

An asymmetric pin securing assembly employs inclined mounting formations and a U-shaped member to eliminate play in compact pivot joints.

Horizontal reciprocating motion slices roots intact, preserving the root ball for close-spaced nursery transplantation.

Synchronized extension actuators move the tool connection point along a vertical plane, resolving limited reach constraints in compact utility loaders.

Movable shutters on a clamshell bucket toggle between open and closed positions to retain soil volume while reducing piston effects in trench excavation.

A controller adjusts deposition parameters based on measured material volume to form equal-sized piles.

A collision avoidance system detects positions of dig components and the blade to generate control signals that limit movement.

Segmented extension plates and cap assemblies modify loader lifting mechanisms to increase operating height without replacing the entire machine.

A coupler assembly uses a slidable pin locking member and pivotable safety hook to secure attachments via mechanical interlocking.

A side plate prevents transverse frame translations under vibratory forces, maintaining constant manipulation depth and precision.

A hollow bracing support acts as a hydraulic cylinder to press coupling blocks together.

Relocating the latch actuator to a stationary part eliminates complex rotary unions, preserving rotational freedom and simplifying mechanical configuration.

Dynamic speed adjustment reduces hydraulic device pressure at low temperatures while maintaining operability as fluid warms.

Horizontal inlet design prevents vortex formation and air suction, enabling efficient seabed penetration with controlled profiles in shallow waters.

A dual-range control strategy maintains constant motor speed in low-demand ranges while varying speed for higher performance, reducing noise variations.

A shovel controller adjusts boost pressure based on attachment position to maintain engine speed.

Sensors detect circle frame rotation limits while a controller terminates actuation to prevent wire harness damage during motor grader operations.

Wheeled fulcrum frames amplify loader force to lift heavy loads, preventing tipping risks during material handling.

A towed earth moving implement uses a pitch-adjustable winged blade assembly to perform ground shaping operations.

A remote control system calculates and displays working device positions using posture data when the camera view is obstructed.

A curved baffle inside a work machine boom disperses stress to prevent concentration on rear upper side plate portions without increasing weight.

An integrally cast hinge assembly eliminates welded joints in excavator buckets to create a continuous structural component.