A convertible floor panel assembly incorporates a metal wire mesh subfloor and a polymer deck overlying the wire mesh subfloor. A plurality of alignment heads project from an underside of the polymer deck, and are designed to extend through respective mesh openings defined by the wire mesh subfloor. A plurality of panel retainers engage respective alignment heads, and are adapted for removably attaching the wire mesh subfloor and the polymer deck together. The floor panel assembly is thereby convertible between a substantially open-surface sound permeable safety structure and a continuous solid-surface structure for increased floor load capacity.

A convertible floor panel assembly incorporates a metal wire mesh subfloor and a polymer deck overlying the wire mesh subfloor. A plurality of alignment heads project from an underside of the polymer deck, and are designed to extend through respective mesh openings defined by the wire mesh subfloor. A plurality of panel retainers engage respective alignment heads, and are adapted for removably attaching the wire mesh subfloor and the polymer deck together. The floor panel assembly is thereby convertible between a substantially open-surface sound permeable safety structure and a continuous solid-surface structure for increased floor load capacity.

A staging transport assembly comprises a base plate, an L-shaped attachment piece, a fastener to couple the base plate to the L-shaped attachment piece, a support plate comprising a first surface and an opposing second surface where the second surface is coupled to the base plate, and at least two wheels coupled to the first surface of the support plate. The base plate comprises a first edge having a first protrusion and a second opposing edge having a second protrusion and further comprises a first surface and a second opposing surface. The L-shaped attachment piece includes a short side comprising a cavity configured to receive the first protrusion of the base plate, a first end terminating in a lip, and a second opposing end coupled with a long side disposed along a portion of the first surface of the base plate when the cavity is mated with the first protrusion.

A staging transport assembly comprises a base plate, an L-shaped attachment piece, a fastener to couple the base plate to the L-shaped attachment piece, a support plate comprising a first surface and an opposing second surface where the second surface is coupled to the base plate, and at least two wheels coupled to the first surface of the support plate. The base plate comprises a first edge having a first protrusion and a second opposing edge having a second protrusion and further comprises a first surface and a second opposing surface. The L-shaped attachment piece includes a short side comprising a cavity configured to receive the first protrusion of the base plate, a first end terminating in a lip, and a second opposing end coupled with a long side disposed along a portion of the first surface of the base plate when the cavity is mated with the first protrusion.

An embedded integrated lifting rotation table which comprises a lifting table and a rotation table which is embedded in the lifting table is disclosed. At least a group of rotating driving devices are installed on the lifting table to drive the rotation table to rotate. There are two lifting tables at least, each lifting table connects with a group of single lifting driving devices. The rotation table comprises at least two rotation table components joint together. The quantity of the rotation table components equals to the quantity of the lifting tables. Each lifting table is embedded with a rotation table component. The first locking device is installed between two adjacent rotation table components. The second locking device is installed between the lifting table and the rotation table components which is embedded in the lifting table.

An embedded integrated lifting rotation table which comprises a lifting table and a rotation table which is embedded in the lifting table is disclosed. At least a group of rotating driving devices are installed on the lifting table to drive the rotation table to rotate. There are two lifting tables at least, each lifting table connects with a group of single lifting driving devices. The rotation table comprises at least two rotation table components joint together. The quantity of the rotation table components equals to the quantity of the lifting tables. Each lifting table is embedded with a rotation table component. The first locking device is installed between two adjacent rotation table components. The second locking device is installed between the lifting table and the rotation table components which is embedded in the lifting table.

The mobile foundation for tower cranes and fast-erecting cranes comprises at least two floor elements made from metal, which may be releasably connected to one another, in particular screwed to one another, wherein the floor elements have anchoring devices for a crane tower. Transportable, reusable ballast weights may be supported on at least one support surface of the foundation. There is provided a passage element having uprights and/or side walls, wherein the uprights or side walls, respectively, have a height of at least 2.1 m, preferably of at least 2.3 m, wherein the passage element may be releasably connected to the floor elements, in particular screwed thereto.

The mobile foundation for tower cranes and fast-erecting cranes comprises at least two floor elements made from metal, which may be releasably connected to one another, in particular screwed to one another, wherein the floor elements have anchoring devices for a crane tower. Transportable, reusable ballast weights may be supported on at least one support surface of the foundation. There is provided a passage element having uprights and/or side walls, wherein the uprights or side walls, respectively, have a height of at least 2.1 m, preferably of at least 2.3 m, wherein the passage element may be releasably connected to the floor elements, in particular screwed thereto.

A mobile stage which transforms between a first, transport position and a second, deployed position. A number of modular wall panels which act as a barrier between the interior and the exterior of the stage. This barrier is weather resistant by use of weather stripping in between the panels and additionally serves to protect from unauthorized access to any contents stored inside the stage itself when in transportation mode. The wall panels may be selectively remoted and replaced by stairways and other stage components. The upper wall panels are temporarily engaged by a roof of the mobile stage.

A mobile stage which transforms between a first, transport position and a second, deployed position. A number of modular wall panels which act as a barrier between the interior and the exterior of the stage. This barrier is weather resistant by use of weather stripping in between the panels and additionally serves to protect from unauthorized access to any contents stored inside the stage itself when in transportation mode. The wall panels may be selectively remoted and replaced by stairways and other stage components. The upper wall panels are temporarily engaged by a roof of the mobile stage.