E01C2301/00

Milling Machine with Hydraulically Actuated Rotor Drive Transmission

A milling machine includes a rotor drive transmission having a plurality of gears disposed between a prime mover and a cutting rotor. The rotor drive transmission is associated with a rotor transmission hydraulic circuit including a hydraulic gearshift actuator to engage the plurality of gears in one or more gear ratios and a gearshift directional control valve to direct hydraulic fluid to and from the hydraulic gearshift actuator. In occurrence of a fault condition, the rotor transmission hydraulic circuit includes a gearshift trapping valve to maintain hydraulic pressure in the hydraulic gear actuator and the engaged gear ratio of the rotor drive transmission.

Facilitating a screed assembly in laying a paving material mat with a uniform finish

A control device may obtain sensing data related to a paving material mat region laid by a screed assembly of a road paver. The control device may determine, based on the sensing data, a respective texture value and/or a respective height value associated with each portion of two or more portions of the paving material mat region. The control device may determine, based on the respective texture values and/or the respective height values of the paving material mat region, a finish value associated with the paving material mat region. The control device may cause, based on the finish value of the paving material mat region, one or more actions to be performed.

Paving machine engine idle time reduction
11566574 · 2023-01-31 · ·

A system and method includes a paving machine, a vehicle, and one or more controllers. The paving machine includes an engine for powering the paving machine and the vehicle is associated with the paving machine. The one or more controllers are configured to determine an estimated time of arrival for the vehicle at the paving machine based on a location of the vehicle; identify a startup time for the paving machine, wherein the startup time comprises a time period between starting the engine of the paving machine and an operational parameter of the paving machine reaching a threshold value; and generate an indication to shut down the engine of the paving machine if the startup time for the paving machine is less than the estimated time of arrival of the vehicle associated with the paving machine.

High-production truss-mounted screed assembly
11702803 · 2023-07-18 · ·

A screed assembly includes an auger, a cylinder, and a vibratory screed. The screed assembly may be included in an undercarriage. The undercarriage may be coupled to a carriage. The carriage may travel along a length of a framework. One or more sensors may be used to determine height information of the screed assembly relative to a surface to be paved. One or more actuators may be used to selectively adjust the height of the screed assembly based on the height information.

Construction machine with lighting arrangement
11692318 · 2023-07-04 · ·

A construction machine in the form of a road paver or feeder vehicle includes a chassis and a hopper, wherein at least one lighting arrangement is mounted on the chassis. The lighting arrangement comprises at least one light source, and the lighting arrangement is configured to illuminate an area in front of the construction machine in the direction of travel. The construction machine further has an object detection system for detecting an object located in front of the construction machine in the direction of travel, and the illumination emitted by the lighting arrangement can be changed as a function of the detection of an object by means of the object detection system.

Scraper assembly for construction machine

A scraper assembly for a construction machine includes a housing pivotally coupled to a frame of the construction machine for moving the scraper assembly between a stowed position and a deployed position. The scraper assembly also includes a scraper partially received within the housing. In the deployed position of the scraper assembly, the scraper engages with a machine component to remove material stuck to the machine component. The scraper assembly further includes a biasing device received within housing. The biasing device biases the scraper towards the machine component. Further, the biasing device travels in a substantially linear path for biasing the scraper towards the machine component.

FLOOR CUTTING MACHINE HAVING DUST COLLECTION COVER COUPLED THERETO
20220412021 · 2022-12-29 · ·

A floor cutting machine having a dust collection cover coupled thereto may comprise a main frame having a first dust collection cover fixing pin configured to attach the dust collection cover to the floor cutting machine; a plurality of front wheels located at a front of the main frame; at least one rear wheel located at a rear of the main frame; a cutting frame having one side fixed to a vicinity of the rear of the main frame and the other side configured to be moved upwards and downwards; a cutting blade fitted on opposite sides of a cutting shaft located in the vicinity of the other side of the cutting frame; and a front frame detachably connected to the front of the main frame, the front frame having a second dust collection cover fixing pin configured to attach the dust collection cover to the floor cutting machine.

Apparatus and method for a steering control system
11524718 · 2022-12-13 · ·

A steering control system adapted for use on a paving machine having one or more wheels and an automatic pivot steer mode. The preferred steering control system comprises a speed sensor adapted to determine a paving machine speed, a steering cylinder adapted to move between a straight forward position and a fully turned position, a steering cylinder sensor adapted to determine a steering cylinder position, a flow sharing valve in fluid communication with one or more of the one or more wheels and adapted to be moved between an open position and a closed position, and a controller adapted to communicate with the speed sensor, the steering cylinder sensor, and the flow sharing valve. The preferred steering control system is adapted to automatically open and close the flow sharing valve. Automatically moving the flow sharing valve between the open position and the closed position.

LEG ASSEMBLY FOR CONSTRUCTION MACHINE
20220389667 · 2022-12-08 ·

A leg assembly includes a guide tube, a power drive coupled to a flange of the guide tube, a steering ring coupled to the power drive, a tube weldment coupled to the steering ring, and a hydraulic actuator coupled within the guide tube and within the tube weldment. The power drive includes a slew drive or a hydraulic cylinder steering assembly. The tube weldment is translated through the power drive by the actuator. The steering ring includes one or more pistons by which relative rotational movements may be imparted to the tube weldment by a socketing action. The steering ring is rotated by the power drive. Thus, the guide tube may be rotated relative to the tube weldment.

Work machines and systems for monitoring wear of components of work machines

A work machine includes a frame, one or more drive members coupled to the frame, an engine for providing power to the one or more drive members, one or more components coupled to the frame, and a monitoring system for monitoring wear of the one or more components. The system includes a user interface and a controller. The controller is in circuit communication with the user interface. The controller is configured to receive information inputted into the user interface by a user and send an alert notification regarding the servicing of at least one of the one or more components based on the received information.