A vibrating ripper, according to the present invention, has: a main body portion; a vibrating body which is coupled to the main body portion and a vibrating body support unit and vibrates; and a vibration generating unit which is provided on the vibrating body, wherein the vibrating body support unit has a rotating member rotatably provided on the vibrating body or the main body portion for supporting the vibrating body, has first and second connecting members of which both end portions are rotatably connected to the upper and lower sides of the rotating member, with respect to the rotating center of same, and to the main body portion or the vibrating body, respectively such that the vibrating body can be supported in accordance with the main body portion, has a ripper blade provided on the vibrating body, thereby, when the vibrating body vibrates in accordance with the main body portion, offsetting, by means of the rotating of the rotating member, the change in coupling positions of the first and second connecting members and the vibrating body due to the vibration.

A vibration ripper having a link structure with an improved vibration isolating function is characterized by including: a first vibroisolating body installed across the vibration body from a left lower portion of the vibration body; and a link device for connecting the outer body and the first vibroisolating body in order to absorb vibrations, wherein the link device is provided with a pair of connection members which are spaced apart from and parallel to each other, a coupling hole for coupling the first vibroisolating body is formed in the left side of the connection members, and a second vibroisolating body coupled to the outer body is integrally installed on the right side of the connection members.

A subsoil tool for ameliorating soil compaction having a shank attached to a toolbar of a tractor, wings on forward wing links pivotally engaged to the shank, and a wing rod pivotally engaged with the forward wing links. The forward wing links are positioned near the bottom of the shank in front of the rear of the shank. The wing rod is positioned behind the shank.

A subsoil tool for ameliorating soil compaction having a shank attached to a toolbar of a tractor, wings on forward wing links pivotally engaged to the shank, and following wings on a wing rod pivotally engaged with the forward wing link. The forward wing links are positioned near the bottom of the shank in front of the rear of the shank. The wing rod is positioned behind the shank. A power link is engaged to the toolbar, a hydraulic drive cylinder, and the wing rod for enabling oscillation of the wing rod relative to the shank.

A rock breaking device, including: a large arm, including a first large arm end, a second large arm end and a first hinge part; a small arm, including a first small arm end, a second small arm end and a second hinge part; a scarifier, including a third hinge part and being divided into a first scarifying part that is close to a tip of the scarifier and a second scarifying part that is connected to the first scarifying part; a first hydraulic cylinder; and a second hydraulic cylinder; a first large arm end is configured to connect to a carrier, while a second large arm end is hinged with the second hinge part; an end of the first hydraulic cylinder is hinged with the first hinge part, and another end of the first hydraulic cylinder is hinged with a first small arm end, while a second small arm end is hinged with the third hinge part; an end of the second hydraulic cylinder is hinged with the small arm, and another end of the second hydraulic cylinder is hinged with the second scarifying part, the weight of the scarifier accounting for 30%-70% of the total weight of the rock breaking device. Further provided is a construction machinery including the rock breaking device.

A subsoil tool for ameliorating soil compaction having a shank attached to a toolbar of a tractor, wings on forward wing links pivotally engaged to the shank, and following wings on a wing rod pivotally engaged with the forward wing link. The forward wing links are positioned near the bottom of the shank in front of the rear of the shank. The wing rod is positioned behind the shank. A power link is engaged to the toolbar, a hydraulic drive cylinder, and the wing rod for enabling oscillation of the wing rod relative to the shank.

A subsoil tool for ameliorating soil compaction having a shank attached to a toolbar of a tractor, wings on forward wing links pivotally engaged to the shank, and following wings on a wing rod pivotally engaged with the forward wing link. The forward wing links are positioned near the bottom of the shank in front of the rear of the shank. The wing rod is positioned behind the shank. A power link is engaged to the toolbar, a hydraulic drive cylinder, and the wing rod for enabling oscillation of the wing rod relative to the shank.

A vibrating ripper for demolition comprising a chassis, a vibrating assembly supported by the chassis so that it can move with an alternating translational motion along a work direction between a first stroke limit position and a second stroke limit position, and at least one demolition tool associated with the vibrating assembly.

In the second stroke limit position, the vibrating assembly is spaced further from the chassis with respect to the first stroke limit position.

The vibrating assembly comprises a main body associated with at least one pair of oppositely rotating eccentric masses actuated rotationally by at least one motor element.

The particularity of the invention resides in that it comprises means for detecting an abnormal movement of the vibrating assembly along the work direction beyond at least one of the stroke limit positions.

A subsoil tool for ameliorating soil compaction having a shank attached to a toolbar of a tractor, wings on forward wing links pivotally engaged to the shank, and following wings on a wing rod pivotally engaged with the forward wing link. The forward wing links are positioned near the bottom of the shank in front of the rear of the shank. The wing rod is positioned behind the shank. A power link is engaged to the toolbar, a hydraulic drive cylinder, and the wing rod for enabling oscillation of the wing rod relative to the shank.

A vibratory ripper includes: an external body having an inner accommodation part and comprising at least one insertion hole defined at one side thereof; a vibratory body accommodated in the accommodation part of the external body to form a vibration; and a guide roller disposed in the insertion hole to guide a vertical movement of the vibratory body.