The present invention generally relates to a vibrator for generating vibrations. The invention is in this respect in particular based on an exciter cell having rotationally drivable unbalanced masses that are rotatably supported in an exciter cell housing and having an adjustment unit for adjusting the phase position of the unbalanced masses relative to one another. In accordance with the invention, the adjustment unit is configured as a planetary gearing that has at least two input trains to which the unbalanced masses of the exciter cell are coupled that are adjustable in phase relative to one another and that has an adjustment input train for changing the phase position of the output trains of the planetary gearing.

The present invention generally relates to a vibrator for generating vibrations. The invention is in this respect in particular based on an exciter cell having rotationally drivable unbalanced masses that are rotatably supported in an exciter cell housing and having an adjustment unit for adjusting the phase position of the unbalanced masses relative to one another. In accordance with the invention, the adjustment unit is configured as a planetary gearing that has at least two input trains to which the unbalanced masses of the exciter cell are coupled that are adjustable in phase relative to one another and that has an adjustment input train for changing the phase position of the output trains of the planetary gearing.

The present invention relates to a method for manufacturing foundations for uprights (1) by using metal sheets (2) embedded by vibration or by percussion comprising the steps of: a. arranging at least two sheets (2), each sheet (2) being provided with position adjustment means with respect to a connection element (5) between the sheet (2) itself and a connector (3) between the sheet (2) and upright (1); b. arranging a connector (3) between the sheet (2) and upright (1), adapted to be integrally connected to said upright (1) and provided with position adjustment means with respect to a connection element (5) between the sheet (2) and the connector (3) itself; c. arranging at least one connection element (5) between each sheet (2) and the connector (3), each connection element (5) being provided with first position adjustment means, adapted to adjust the position thereof with respect to the sheet (2) and second position adjustment means, adapted to adjust the position thereof with respect to the connector (3); d. arranging a centering system (4) for the sheets (2), which can be associated operationally with an embedding machine; e. embedding said sheets (2) into the ground by vibro-embedding or by percussion, with the aid of the centering system (4); f. positioning the connector (3) in the design position, adjusting the relative position between: —each sheet (2) and each connection element (5) by means of said position adjustment means of the sheet (2) and said first position adjustment means of the connection element (5); —each connection element (5) and the connector (3) by means of said position adjustment means of the connector (3) and said second position adjustment means of the connection element (5); g. locking such positions. The present invention also relates to a corresponding kit and to a centering system for sheets 2 adapted to be vibro-embedded or embedded by percussion.

The present invention relates to a method for manufacturing foundations for uprights (1) by using metal sheets (2) embedded by vibration or by percussion comprising the steps of: a. arranging at least two sheets (2), each sheet (2) being provided with position adjustment means with respect to a connection element (5) between the sheet (2) itself and a connector (3) between the sheet (2) and upright (1); b. arranging a connector (3) between the sheet (2) and upright (1), adapted to be integrally connected to said upright (1) and provided with position adjustment means with respect to a connection element (5) between the sheet (2) and the connector (3) itself; c. arranging at least one connection element (5) between each sheet (2) and the connector (3), each connection element (5) being provided with first position adjustment means, adapted to adjust the position thereof with respect to the sheet (2) and second position adjustment means, adapted to adjust the position thereof with respect to the connector (3); d. arranging a centering system (4) for the sheets (2), which can be associated operationally with an embedding machine; e. embedding said sheets (2) into the ground by vibro-embedding or by percussion, with the aid of the centering system (4); f. positioning the connector (3) in the design position, adjusting the relative position between: —each sheet (2) and each connection element (5) by means of said position adjustment means of the sheet (2) and said first position adjustment means of the connection element (5); —each connection element (5) and the connector (3) by means of said position adjustment means of the connector (3) and said second position adjustment means of the connection element (5); g. locking such positions. The present invention also relates to a corresponding kit and to a centering system for sheets 2 adapted to be vibro-embedded or embedded by percussion.

The invention relates to a vibration generator for piling machines, compactors or other construction machines, having at least two unbalance trains, each comprising unbalanced masses which are rotatingly drivable by a drive apparatus, and an adjustment apparatus for adjusting the phase position of the rotating unbalanced masses relative to each other. According to the invention, the unbalanced masses of different unbalance trains are arranged coaxially without a fixed transmission ratio relative to each other, wherein the unbalanced masses of a first unbalance train are arranged between the unbalanced masses, coaxial therewith, of a second unbalance train, and the drive apparatus is designed to drive the unbalance trains with rotation speed differences which are variable relative to each other.

A self-contained soil stabilization system may include a chassis, at least one motor coupled to the chassis configured to actuate a locomotor configured to move the chassis, and a hopper disposed on the chassis and configured to contain a payload configured to stabilize soil. The payload may be deployed from the hopper to stabilize soil in a target soil stabilization area. In some embodiments, the payload may be a chemical soil stabilization agent, a pile, or a sheet pile.

A self-contained soil stabilization system may include a chassis, at least one motor coupled to the chassis configured to actuate a locomotor configured to move the chassis, and a hopper disposed on the chassis and configured to contain a payload configured to stabilize soil. The payload may be deployed from the hopper to stabilize soil in a target soil stabilization area. In some embodiments, the payload may be a chemical soil stabilization agent, a pile, or a sheet pile.

A vibration-ram arrangement for introducing a material to be rammed into a ground may include a hydraulic apparatus for generating hydraulic pressure. The hydraulic apparatus may include an internal-combustion motor and a hydraulic pump that is drivable by the internal-combustion motor. The arrangement may further include an exciter arrangement, which is configured to be spatially separate from the hydraulic apparatus and which by way of a hydraulic line is connected to the hydraulic apparatus. The exciter arrangement may have a hydraulic motor and a rotatably mounted unbalanced mass. For driving the unbalanced mass, hydraulic liquid may be guided in a circuit comprising the hydraulic apparatus, the hydraulic line, and the hydraulic motor. The unbalanced mass is drivable by the hydraulic motor to generate vibration movements of the exciter arrangement. The arrangement may also include a support device on which the hydraulic apparatus and the exciter arrangement are disposed. The present disclosure also relates to methods for operating vibration-ram arrangements and to component sets for assembling such vibration-ram arrangements.”

A vibration-ram arrangement for introducing a material to be rammed into a ground may include a hydraulic apparatus for generating hydraulic pressure. The hydraulic apparatus may include an internal-combustion motor and a hydraulic pump that is drivable by the internal-combustion motor. The arrangement may further include an exciter arrangement, which is configured to be spatially separate from the hydraulic apparatus and which by way of a hydraulic line is connected to the hydraulic apparatus. The exciter arrangement may have a hydraulic motor and a rotatably mounted unbalanced mass. For driving the unbalanced mass, hydraulic liquid may be guided in a circuit comprising the hydraulic apparatus, the hydraulic line, and the hydraulic motor. The unbalanced mass is drivable by the hydraulic motor to generate vibration movements of the exciter arrangement. The arrangement may also include a support device on which the hydraulic apparatus and the exciter arrangement are disposed. The present disclosure also relates to methods for operating vibration-ram arrangements and to component sets for assembling such vibration-ram arrangements.”

The invention relates to a vibratory pile-driving apparatus having a carrier implement with a mast, on which, for the purpose of generating vibrations, a vibration generator with a transmission housing is supported, in which at least one pair of rotatably supported unbalanced units is arranged that are driven in a rotating manner by at least one rotary drive. According to the invention provision is made in that the transmission housing is surrounded by a soundproof housing, in which the transmission housing is supported by way of damping elements, and in that from the transmission housing at least one oil supply line and one oil discharge line are led out of the soundproof housing, wherein transmission oil can be cooled outside the soundproof housing.