E21C47/00

Self-propelled construction machine and method for working ground pavements
20190390417 · 2019-12-26 ·

In a self-propelled construction machine (1), in particular road milling machine, recycler, stabilizer or surface miner, comprising a machine frame (4), at least two travelling devices (2), at least one hydraulic drive system (50) for driving at least two travelling devices (2), at least one working device, in particular a milling drum (6), for working the ground pavement (3), it is provided for the following features to be achieved: a detection device (44, 60, 62) is provided which detects fluctuations in the longitudinal speed (v.sub.act) of the construction machine (1) during movement of the construction machine (1), wherein a control unit (38) controls the hydraulic drive system (50) as a function of the detected fluctuations in such a fashion that the drive speed (v.sub.drive) for driving the travelling devices (2) specified by means of the hydraulic drive system (50) is continuously adjusted so that the detected fluctuations are reduced or compensated for.

Self-propelled construction machine and method for working ground pavements
20190390417 · 2019-12-26 ·

In a self-propelled construction machine (1), in particular road milling machine, recycler, stabilizer or surface miner, comprising a machine frame (4), at least two travelling devices (2), at least one hydraulic drive system (50) for driving at least two travelling devices (2), at least one working device, in particular a milling drum (6), for working the ground pavement (3), it is provided for the following features to be achieved: a detection device (44, 60, 62) is provided which detects fluctuations in the longitudinal speed (v.sub.act) of the construction machine (1) during movement of the construction machine (1), wherein a control unit (38) controls the hydraulic drive system (50) as a function of the detected fluctuations in such a fashion that the drive speed (v.sub.drive) for driving the travelling devices (2) specified by means of the hydraulic drive system (50) is continuously adjusted so that the detected fluctuations are reduced or compensated for.

Conduit support structure for an industrial machine with hoist cable

An industrial machine includes a frame having a base and a boom, an arm movably coupled to the boom, an attachment, a conduit, a first member, and a second member. The boom has a first end coupled to the base and a second end opposite the first end. The arm includes a first end and a second end. The attachment is coupled to the first end of the arm. The conduit extends from the frame to the arm. The first member is pivotably coupled to the frame and supports a first portion of the conduit as the arm moves relative to the boom. The second member is pivotably coupled between the first member and the arm, and supports a second portion of the conduit as the arm moves relative to the boom.

Conduit support structure for an industrial machine with hoist cable

An industrial machine includes a frame having a base and a boom, an arm movably coupled to the boom, an attachment, a conduit, a first member, and a second member. The boom has a first end coupled to the base and a second end opposite the first end. The arm includes a first end and a second end. The attachment is coupled to the first end of the arm. The conduit extends from the frame to the arm. The first member is pivotably coupled to the frame and supports a first portion of the conduit as the arm moves relative to the boom. The second member is pivotably coupled between the first member and the arm, and supports a second portion of the conduit as the arm moves relative to the boom.

Onboard terminal device and traffic control system

A terminal side control device that executes processing for instructing travel of a vehicle to a driver on the basis of a travel permission section assigned thereto by a control server. The terminal-side control device includes: a remaining distance calculation unit that calculates a travel permission remaining distance on the basis of the present position of the own vehicle acquired from a position calculation device and the travel permission section; an upper limit speed calculation unit that calculates an upper limit speed of the own vehicle in the travel permission section on the basis of the travel permission remaining distance calculated by the remaining distance calculation unit; and a display control unit that causes a terminal side display device to output and present to the driver the upper limit speed calculated by the upper limit speed calculation unit and predetermined warning information corresponding to the upper limit speed.

Onboard terminal device and traffic control system

A terminal side control device that executes processing for instructing travel of a vehicle to a driver on the basis of a travel permission section assigned thereto by a control server. The terminal-side control device includes: a remaining distance calculation unit that calculates a travel permission remaining distance on the basis of the present position of the own vehicle acquired from a position calculation device and the travel permission section; an upper limit speed calculation unit that calculates an upper limit speed of the own vehicle in the travel permission section on the basis of the travel permission remaining distance calculated by the remaining distance calculation unit; and a display control unit that causes a terminal side display device to output and present to the driver the upper limit speed calculated by the upper limit speed calculation unit and predetermined warning information corresponding to the upper limit speed.

Self-propelled construction machine or mining machine
11993898 · 2024-05-28 · ·

In a self-propelled construction machine or mining machine, in particular milling machine for working a ground surface, including a machine frame, a working device for working the ground surface, which is supported on the machine frame, wherein the working device is at least partially enclosed by a housing, at least one movable side plate, which closes the housing on at least one of the two sides of the working device , wherein the movable side plate rests on the ground surface in floating position during the working operation, it is provided that a clearing scraper is arranged in front of the at least one movable side plate as seen in the direction of travel, wherein the clearing scraper comprises at least one clearing edge for penetrating ground material lying on the ground surface in front of the movable side plate, and clears the ground material for the movable side plate so that the movable side plate may rest on the ground surface.

MINING PRODUCTIVITY IMPROVEMENT METHODS AND SYSTEMS
20240159146 · 2024-05-16 ·

A method for improving the efficiency of a mining operation includes obtaining measurements of at least two of: a volume of mined material removed from terrain by an excavator; a volume of the mined material carried in a bucket of the excavator after removal of the material from the terrain; and a volume of the mined material deposited by the bucket in a truck tray. The method includes alerting an operator of the excavator to a possible spillage or carry-back condition if a difference between the at least two volume measurements exceeds a threshold value. Another method includes determining an optimum dipper trajectory in response to measurements of a height and radial profile of a terrain bank, a position of the excavator relative to the bank and a target volume of material to be extracted into a bucket of the dipper during the dig cycle.

MINING PRODUCTIVITY IMPROVEMENT METHODS AND SYSTEMS
20240159146 · 2024-05-16 ·

A method for improving the efficiency of a mining operation includes obtaining measurements of at least two of: a volume of mined material removed from terrain by an excavator; a volume of the mined material carried in a bucket of the excavator after removal of the material from the terrain; and a volume of the mined material deposited by the bucket in a truck tray. The method includes alerting an operator of the excavator to a possible spillage or carry-back condition if a difference between the at least two volume measurements exceeds a threshold value. Another method includes determining an optimum dipper trajectory in response to measurements of a height and radial profile of a terrain bank, a position of the excavator relative to the bank and a target volume of material to be extracted into a bucket of the dipper during the dig cycle.

SYSTEM AND METHOD FOR ESTIMATING A PAYLOAD OF AN INDUSTRIAL MACHINE
20190194911 · 2019-06-27 ·

A method of determining payload data of a mining machine having a bucket and a handle. The bucket and handle are rotatably coupled via a pin and an actuator. The method includes sensing, via a sensor, a force associated with the actuator, determining, via a controller, a characteristic indicative of a rotational angle of the bucket, and determining, via the controller, payload data based on the force and the characteristic.