Mechanical Machines/Dredgers TRIZ Cases

See how an angled storage rack holds excavator breakers at 45 degrees to prevent falls and simp

See how a T-handle bypass lever at the nozzle eliminates communication delay and enables instan

Multiple suction points and V-shaped brushes clean large lined water bodies quickly while limiting floc re-suspension and bottom damage.

Stress loads are shared through the boom mount and evacuation tube, cutting tank weight for single-axle vacuum excavation trucks.

An over-center hydraulic linkage pulls a vacuum tank door evenly against its flange to prevent dimpling and maintain a tight seal.

A stacked excavator layout places the battery above the motor, pump, and oil tank to save space, raise battery capacity, and improve cooling.

Routing part of the second hydraulic hose below the oil level helps keep a high-mounted hydraulic pump primed and reduces idling damage.

Hydraulic torque and sensor feedback estimate long timber weight during gripping, improving loading accuracy and helping prevent dump truck overload.

Sensors and predictive swing control decelerate or stop upper-body turning before the attachment crosses a design surface and risks boom contact.

A high-side attached flexible liner lifts away under gravity during dumping to prevent debris buildup and improve bucket emptying.

An inclined switch panel on both sides of the steering post improves switch reach, frees cabin space, and simplifies brake and duct packaging.

A linkage-mounted angle sensor estimates bucket cutting-edge position while avoiding submersion damage and simplifying extension-arm maintenance.

Directional expansion surfaces guide the bucket across slope boundaries while avoiding unintended digging into adjacent design surfaces.

A ceiling-mounted excavator controller exposes its reset button through the cab cover, preserving operator visibility and cutting maintenance time.

A solenoid valve and controller stabilize boom meter-in flow despite bottom-pressure swings, improving lowering speed consistency and operability.

Operational data is used to detect high-strain tilt and lift conditions, then limit actuator speed or power to prevent damage.

Sensor-based posture control calculates a virtual rotation axis to keep a work attachment aligned with the design surface and easier to operate.

Hydraulic pressure data is converted into joint force and wear severity to trigger lubrication only when pivot joints need protection.

A spring-biased locking pin and cam surface keep the stabilizer arm secured in storage and release it automatically during hydraulic deployment.

Automatic brake retention is disabled when the work implement is active, preventing slow-speed work interference while keeping stop-hold support.

Dual boom light sources adjust to arm position to light the work area while cutting power use and limiting spill light to nearby surroundings.

Force-based electric lift control lets the load move independently on rough terrain, reducing spillage and operator vibration.

Selectable response curves and control mappings adapt excavator actuator speed and functions to operator skill and task mode.

A control device defines the falling-load danger area and lights it in 3D space, helping workers recognize hazards during lifting.

A toroidal fuel tank between the superstructure and undercarriage increases fuel volume while limiting overhang and preserving operator visibility.

Check valves, drainage passages, and restrictors improve normal-rotation response of left and right traveling pumps in working machines.

Converging front and rear bearing surfaces stabilize excavator wear members under heavy loads, extending wear life and simplifying replacement.

A controller balances pump supply and regeneration flow so hydraulic actuators move faster without losing position control accuracy.

Dynamic current and speed limits protect tilt actuators during digging when the cutting edge loads the ground too heavily.

When position or direction sensing fails, avoidance control overrides normal motion to steer the excavator away from nearby obstacles.

Sensors and automatic bucket-cylinder control keep a wheel loader bucket aligned on uphill transitions to prevent load spillage.

A CVT-based tandem wheel drive adjusts each wheel ratio independently to improve traction and steering while freeing machine space.

A downward convex rail mount reduces seat slide rail twisting and sliding load, improving smooth adjustment without precision milling.

Placing the controller beside the hydraulic oil tank and near the control valve shortens wire harness routing and improves service access.

Projected caution images on a cab combiner replace window decals, preserving operator visibility while adapting warnings to machine state.

Multiple front and rear antennas around the excavator upper body reduce work-device shielding and keep remote control communication stable.

Delayed remote enablement after engine stop, lock valve switching, and alarms helps excavator operators clear the machine before movement.

Real-time camera, LiDAR, and GNSS feature detection helps shovel operators track changing site objects and avoid contact during excavation.

A front-mounted keyhole hitch lets excavator operators couple trailers and connect hydraulics without rear blade access, improving safety.

Approach-velocity-based cutoff control helps excavator work devices avoid work area invasion without the efficiency loss of uniform speed limits.

A pivoting pan uses gravity to separate debris from the magnet, enabling hydraulic-free clean-off on industrial vehicles.

Sensor-based control automatically selects the straight-facing target surface for an excavator bucket, reducing manual alignment effort.

Electrical actuators replace hydraulics in a power machine to improve lift and tilt precision while simplifying maintenance and packaging.

Automatic brake control uses incline and operator-presence sensing to stop unattended work machines from moving on slopes.

Split battery placement on both sides of the lifting arm preserves compactness, improves lateral balance, and keeps access protected from impacts.

Load-based command correction helps an excavator attachment track target surfaces accurately while letting operators perceive front implement load.

External coordinate tracking computes front attachment positions for operator guidance without onboard sensor calibration downtime.

Automatic braking is adjusted from tilt, articulation, and implement state so a work machine can stop for obstacles without rollover.

An electric motor and hydraulic coupler let an excavator run from external power, avoiding refueling stops and cutting indoor emissions.

A dual limiting scheme detects first-unit faults and switches drive movement control to a separate limiter to avoid miscontrol and collisions.

A dual-coupler bucket structure uses reinforced cover, support, and bracket geometry to distribute loads, prevent cracking, and cut weight.

Predicting dynamic center-of-gravity motion lets an excavator use stroke-end cylinder impact while keeping tipping risk under control.

Machine learning selects excavation trajectory and swing direction by estimated soil quality, improving work efficiency across varying ground conditions.

Dedicated fluid passages, check valves, and restrictors improve left and right traveling pump response for smoother direction and speed control.

A tubular base arm with reinforcing plates and sheave shafts redistributes stress to limit side-plate deformation and extend excavator life.

A mechanical retaining element engages when rotary play drops, redirecting overload forces to prevent gear damage and attachment loss.

Side-by-side placement of the motor, pump, and oil tank below the battery frees space for higher battery capacity while maintaining cooling.

A ring gear cooling channel removes heat from the first reduction stage, enabling smaller high-speed excavator drives without dirt-prone fan cooling.

A bent single-sheet modular chassis cuts part count and manufacturing cost while enabling fast field repair for heavy-duty autonomous robots.

A spring-biased retainer and pin-actuated trigger secure attachment pins quickly while avoiding extra hydraulic valves and control complexity.

Implement specification data lets the cab touchscreen load the right controls and operating views without manual software updates.

When bucket posture deviates from target, posture control takes priority over lifting motion to limit work-equipment load during automatic loading.

A fan-cooled partitioned layout between the battery and hydraulic equipment limits heat transfer and helps keep excavator battery operation stable.

Predictive control uses dead angle estimation and implement posture sensing to prevent contact with moving bodies hidden behind obstacles.

A controller delays and synchronizes work valve opening to keep boom speed high while preventing unexpected turning motor acceleration.

Autonomous harvesting drones and an underwater hub coordinate nodule collection to raise uptime and productivity while limiting seafloor disturbance.

Pressure-based boom float switching disables the float circuit when the work device hangs in air, enabling hydraulic energy recovery and better fuel efficiency.

Dual-layer elevation graphs generate flow vectors that cut haul distance, reduce cut-and-fill volume, and lower equipment use on earthmoving sites.

Vibration features feed a machine-learning model to predict implement-ground contact timing and keep ground surface maps accurate in real time.

A rotatable two-body piercing tip lets demolition shears switch fresh piercing and shearing edges, reducing nose wear and extending service life.

Automatic relief-valve control depressurizes the auxiliary hydraulic circuit during unlock, enabling faster tool changes while limiting drift.

A guided locking coupler enables fast loading crane tool changes while maintaining zero-play clamping, direct force transfer, and lower wear.

A one-piece reversible demolition shear blade shrouds the jaw tang to cut friction, prevent separation, and extend blade life.

Recovers boom-down hydraulic energy with a motor and accumulator while preserving work speed and enabling retrofit on existing machinery.

Sensor data is offloaded to remote computing to plan digging and dumping sequences, improving autonomous excavator accuracy while easing onboard load.

Layered flexible pipes with six reinforcement layers improve axial traction resistance while maintaining fluid-pressure performance in deep perforations.

Weight is calculated from estimated load center of gravity and existing hydraulic sensor data, cutting sensor cost while avoiding truck overloading.

A camera view with a superimposed target image helps remote operators match upper-body slewing angle to the target accurately.

Pressure-differential valve control enables rod assist only when conditions allow, stabilizing single-rod cylinder retraction speed.

Image-guided shovel automation moves suspended loads to target positions while reducing operator burden and avoiding obstacles.

Separate crushing and cutting jaws share a combination jaw to shift fulcrums, keeping peak force at the right angle and reducing blade wear.

A steel bracket and turned-body support replace complex castings, cutting cost and lead time while allowing flexible flat-face coupling layouts.

Separate crushing and cutting blades prevent concrete from dulling metal cutters, improving reinforced concrete demolition speed and control.

Multi-position control valves balance high hydraulic flow with precise actuator operation while reducing horsepower loss and fluid heating.

A two-piece motor grader drawbar uses a shared frame member and welded joint to cut inventory and replacement costs while handling heavy stress.

Driveline signals detect wheel slip during bucket loading, enabling sensorless torque control that improves fill efficiency and reduces tire wear.

A direction-switching valve uses negative control signals to meter fixed-pump flow into the center bypass, cutting energy loss and improving actuator operability.

Internal boom conduits routed through swivel rotation joints replace exposed hoses, improving reach, visibility, and hydraulic reliability.

Fluid shunting between hoist and stick cylinders cuts fuel use while switching valves preserve precise boom reach and positioning control.

Operator lever input corrects the target excavation profile in real time, allowing work implement position changes without canceling automatic control.

Bucket crossing of a preset reference level helps detect true loading events, improving transferred-load calculation accuracy.

Fiducial-marker vision guidance helps loading machines align with material receptacles more precisely, reducing damage risk and operator dependence.

Stereo vision and LiDAR let a work vehicle detect piles, plan spreading tasks, avoid obstacles, and level uneven terrain with less operator input.

A position sensor and controller stop the piston before the end wall, using hydraulic cushioning to cut shock, vibration, and cylinder wear.

Variable load-sensing pressure cuts hydraulic pump energy loss during idle fan drive while preserving cooling capacity and implement operability.

By reducing arm cylinder meter-out opening as load pressure changes, this case prevents sudden arm acceleration and improves leveling accuracy.

Pressure-sensor feedback re-locks a work machine's hydraulic lock valve during gate lever switching to stop unintended actuator motion faster.

A level-mode oil circuit combines three pumps at the arm cylinder to speed levelling while avoiding low-pressure pump overflow during excavation.

Greasing is triggered from past operating conditions so excavator pin joints are lubricated before restart after long engine stoppages.

Variable target differential pressure stabilizes multi-actuator hydraulic flow, cuts meter-in loss, and avoids sudden speed changes.

A mode-switching meter-in valve control boosts bucket responsiveness during rapid lever changes without sacrificing hydraulic work efficiency.

Detachable blade holders and wedge blocks protect shear jaw bodies from wear while lateral blade adjustment helps free jams.

A second displacement unit recovers actuator energy in an open hydraulic circuit, cutting recovery system complexity and drive load.

A single GNSS sensor fused with rotation and position sensing cuts calibration effort while improving machine orientation and position tracking.

Opposing wedge plates rotate to adjust shim thickness in place, tightening excavator bucket and thumb joints without disassembly to reduce wear.

Engine load and grade control signals let a dozer raise or lower power in eco mode, preserving productivity while cutting fuel use and wear.

Prominences and abutments reinforce a two-part quick-release fastener against tool forces, reducing breakage and wear during locking.