There is provided improved pole tongs. The pole tongs may include a first tong and a second tong, each having proximal and distal ends, with the distal ends having a pole engagement device for engaging a pole and the proximal end having a device for engagement with a lifting device. The first and second tongs may be scissorily connected to one another between the respective proximal and distal ends so that the respective pole engagement devices engage the pole therebetween when the lifting device is operated. An attachment device may be attached to each of the first and to the second tongs and a safety connector may be provided that is connectable to the respective attachment devices and configured to hang below the engagement devices when the pole is engaged therein.

There is provided improved pole tongs. The pole tongs may include a first tong and a second tong, each having proximal and distal ends, with the distal ends having a pole engagement device for engaging a pole and the proximal end having a device for engagement with a lifting device. The first and second tongs may be scissorily connected to one another between the respective proximal and distal ends so that the respective pole engagement devices engage the pole therebetween when the lifting device is operated. An attachment device may be attached to each of the first and to the second tongs and a safety connector may be provided that is connectable to the respective attachment devices and configured to hang below the engagement devices when the pole is engaged therein.

A hoist hook includes a main plate, a first slide plate, a second slide plate, a first base, a second base, a pair of hooks, a flywheel, and rack. The first slide plate and the second slide plate are fixed to each other and are configured to be suspended from a radio-controlled unmanned aircraft and to slide vertically relative to the main plate while sandwiching the main plate. The first base and the second base are fixed to each other and are configured to slide vertically relative to the main plate while sandwiching the main plate. The pair of hooks are each rotatably linked to the first base and the second base. The flywheel is rotatably fixed to the main plate. The rack engages with the flywheel and is fixed to the first slide plate.

A hoist hook includes a main plate, a first slide plate, a second slide plate, a first base, a second base, a pair of hooks, a flywheel, and rack. The first slide plate and the second slide plate are fixed to each other and are configured to be suspended from a radio-controlled unmanned aircraft and to slide vertically relative to the main plate while sandwiching the main plate. The first base and the second base are fixed to each other and are configured to slide vertically relative to the main plate while sandwiching the main plate. The pair of hooks are each rotatably linked to the first base and the second base. The flywheel is rotatably fixed to the main plate. The rack engages with the flywheel and is fixed to the first slide plate.

The present invention relates to a lifting system (1) comprising a tower (3), a jib (4) for lifting components to an elongated structure (2), a plurality of securing members (5) for securing the tower (3) to the elongated structure (2), and a lifting device (6) for lifting the securing members (5) and moving the securing members (5) up and down along the tower (3). The lifting device (6) comprises a platform (7) attached to an upper portion of the tower (3), protruding on two opposite sides of the tower (3) so that a first portion (7a) of the platform is protruding on a first side of the tower (3) and a second portion (7b) of the platform is protruding on a second side of the tower, a crane (10) arranged on the first portion (7a) of the platform, and a winch (12) for operating the crane arranged on the second portion (7b) of the platform. The crane (10) is arranged movable along the first portion (7a) of the platform so that the horizontal distance between the tower (3) and the crane (10) can be adjusted.

The present invention relates to a lifting system (1) comprising a tower (3), a jib (4) for lifting components to an elongated structure (2), a plurality of securing members (5) for securing the tower (3) to the elongated structure (2), and a lifting device (6) for lifting the securing members (5) and moving the securing members (5) up and down along the tower (3). The lifting device (6) comprises a platform (7) attached to an upper portion of the tower (3), protruding on two opposite sides of the tower (3) so that a first portion (7a) of the platform is protruding on a first side of the tower (3) and a second portion (7b) of the platform is protruding on a second side of the tower, a crane (10) arranged on the first portion (7a) of the platform, and a winch (12) for operating the crane arranged on the second portion (7b) of the platform. The crane (10) is arranged movable along the first portion (7a) of the platform so that the horizontal distance between the tower (3) and the crane (10) can be adjusted.