Mechanical Machines/Dredgers TRIZ Cases

Drive current is applied before engine start to clear foreign matter from a hydraulic pilot solenoid valve without unintended actuator motion.

Sets construction machine work areas from design data to keep restriction boundaries aligned during travel and avoid entry into prohibited zones.

Position feedback and current adjustment reveal actuator brake holding capacity, helping prevent load drift during power-down.

Lateral fastening on longitudinal rack frames avoids welded plate planarity loads, protecting construction machine batteries and speeding assembly.

Standardized front and rear axle units let one mobilization setup fit different work implements for faster road transport and easy attachment.

A lateral battery rack replaces planar mounting to absorb welding deformation, reduce tensile load, and speed construction machine assembly.

Inner ribs tied to the lower plate spread arm cylinder load, suppressing bracket stress during high-elevation excavation with full retraction.

Drive-load feedback builds a soil-nature map and corrects bucket commands, helping semi-automatic excavation stay precise across depth and soil changes.

Predicted work-device paths and prohibited areas let loaders adjust swing and lift motion to avoid transporter contact without slowing normal loading.

Inclination-based control suppresses false ground detection during scooping, avoiding unnecessary braking and rear obstacle alarms.

Color-changing icons indicate when empty-bucket reference correction is allowed, helping excavator operators avoid weight calculation errors.

Saved torque is validated against boom, arm, and bucket state so brake release can hold position and prevent falling or sagging.

Validating saved torque from boom, arm, and bucket status helps prevent excavator falling and sagging when the brake is released.

Object detection and video approval let a work machine start remotely only when nearby workers are clear, improving cold-region startup safety.

A changeover valve routes the highest circuit pressure to the locking drive, securing construction machine attachments more reliably.

Front-side keyhole locking secures a trailer hitch to an excavator dozer blade without rear access, improving attachment ergonomics and safety.

Compares motor torque with standby torque from boom, arm, and bucket status to release excavator brakes without falling or sagging.

Weight- and position-based standby torque control sets brake release timing to prevent excavator boom, arm, or bucket sagging.

A rover latching interface secures and moves modular or large lunar payloads while adapting chassis height and stance to uneven terrain.

Fused roll, pitch, and gyroscope data from dual IMUs improve real-time yaw articulation estimates for more precise earthmoving control.

An adjustable pivot-pin layout keeps fuel cylinder rotation accurate despite part variation while freeing installation space with assisted single-member support.

A relative-angle display helps excavator operators compare bucket bottom inclination with target topography for more precise digging.

Accumulator-pressure feedback adjusts boom regeneration valve opening to keep descent speed aligned with operator input while recovering hydraulic energy.

Positioning a 3D measurement sensor beside the headlight helps articulated work machines keep accurate target positioning during excavation and loading.

By lowering engine speed before low-load attachment work begins, this excavator cuts wasteful energy use while preserving power for heavier tasks.

A hybrid electromechanical-hydraulic actuator boosts peak force while keeping distal working-element actuators smaller and lighter.

A cable-linked pedal and inching valve on the floor frame improve mounting flexibility, cut vibration, and simplify cleaning.

Electrical actuators and a rear battery layout replace hydraulics to improve lift, tilt, and track control while reducing maintenance.

An electric motor and link mechanism replace hydraulic blade lift, cutting system complexity while extending blade travel with lower torque demand.

An electric motor and link mechanism raise and lower a dozer blade while reducing hydraulic complexity, torque demand, and mounting space.

Load-threshold control distinguishes excavation from leveling in wheel loaders, preventing unintended autonomous digging with standard buckets.

Set swing pause and limit points using obstacle and attachment sensing to prevent upper-body over-rotation and collisions.

Two opposed speed reducers share load through a differential, boosting overload strength while keeping construction machine drive transmissions compact.

Restricting setting changes when translational and rotational inputs overlap helps work machines avoid accidental equipment setting errors.

Server-side transmission control and machine-status acceptance logic simplify updating working device settings on connected machines.

Stored swing angle data lets the controller resume machine control within a valid swing range when swing structure position information is lost.

Travel restraint is applied only toward a detected object's direction by combining sensor results with revolving angle, reducing operator annoyance.

A vertical motor-pump layout frees frame space for a larger battery in small electric excavators, extending operating time.

Automatic camera triggering on excavators records designated work areas and progress images without separate imaging equipment or manual steps.

Rotation-difference-based clutch switching balances paired speed reducers, then shifts to direct drive to limit differential gear wear.

Stored boundary shapes and posture sensing let operators set complex no-entry zones quickly while limiting implement motion near the boundary.

Rearward obstacle control is suspended during scooping on slopes to avoid ground false alarms, then restored for reverse travel safety.

Using posture-sensor feedback and past command history, the controller compensates hydraulic delay to improve precise work implement motion.

IMU-based angle sensing is checked after travel-to-stop transitions so work implement assistance pauses or warns until posture accuracy recovers.

Pressure and angle sensing identify true bucket-ground contact, so terrain shape data matches actual excavation instead of aerial arm motion.

Pilot pressure comparisons across left and right traveling fluid lines let the controller judge travel lever direction accurately without separate sensing hardware.

Mounting the antenna on a protective member gives compact work machines external communication without using scarce space around the driving unit.

Electrical attachment actuation replaces hydraulics in a lift arm to improve implement coupling precision, routing, and maintenance.

Distance-based jack-up speed correction lets the bucket rise quickly near the target surface while preserving excavation accuracy and operability.

Dynamic valve control splits boom actuator return oil between another actuator and an accumulator to cut hydraulic energy loss and leaks.

Sensor-guided blade and steering adjustments prevent material buildup and ribboning during grading, reducing rework, fuel use, and wear.

A rotatable cylinder and internal lock wall replace external tie rods in a hydraulic hammer, cutting assembly time and maintenance effort.

Combining NFC signal strength with elapsed time helps a working vehicle identify the attached implement more accurately.

Intersecting gimbal pivot axes keep a screw foundation aligned during excavator installation, reducing skew torque, wobble, and buckling risk.

A cylinder-linked indicator makes bucket rocking visible despite bonnet obstruction, improving attitude checks across front loader models.

A split middle arm folds around a retained pivot pin and uses a removable connection pin to lower transport height without losing working range.

Perception systems define dump regions and locate haul trucks, reducing manual spotting while aligning the bucket for material transfer.

Uneven wear at GET edges is addressed with a replaceable wing shroud using added leading-edge material and curvature to extend service life.

Mechanical transmission converts horizontal boom movement to vertical sensing, reducing vibration sensitivity while using standard angular sensors.

A pivoting lever and separate locking means keep excavator tools attached when quick-release fasteners face spring failure.

A controller adjusts the work machine’s object-detection range to blade rotation, improving accuracy as implement posture changes.

A front-loader controller follows a loading trajectory and interrupts vehicle travel when wheel slip or engine load exceeds limits.

A planar pin engagement surface and biasing mechanism keep a quick-coupler attachment pin retained when hydraulic force fails.

Inward-facing bucket sensors analyze material composition in real time, helping direct mining loads to suitable destinations without complex mechanical sorting.

A front-mounted and cab-mounted camera pair fills low and high visibility gaps, helping operators maneuver a utility vehicle’s front loader precisely.