A hydraulic arrangement. The hydraulic arrangement has multiple hydraulic units, the control units of which are connected, in particular in series, via a data connection. The control units are preferably designed to control selectively only hydraulic cylinders directly associated with said units, or also indirectly control, via the data connection and the control unit of an additional hydraulic unit, the hydraulic cylinders associated with said additional hydraulic unit. A climbing formwork having at least one climbing unit, in particular multiple climbing units. The hydraulic units can be linked via the data connection such that synchronous lifting and/or lowering of all climbing units can be or is achieved. The hydraulic units are preferably connected in a master-slave arrangement or are preferably controlled in a master-slave mode. Also preferably, the hydraulic units are designed to switch from the master-slave mode to the stand-alone mode.

The invention relates to a movable machine room comprising a support platform of a hoisting machine, the support platform comprising one or more releasable mounting mechanisms for releasably mounting the moveable machine room in a hoistway, and a hoisting machine mounted on the support platform; a working platform on top of the support platform, preferably forming a roof of the moveable machine room and/or comprising handrails; and at least one support structure supported by which the working platform rests on the support platform; and wherein each said support structure is selectively actuatable to expand in vertical direction for hoisting the working platform higher above the support platform taking reaction force from the support platform, or to contract in vertical direction for lowering the working platform back towards the support platform. The invention relates to an arrangement and a method implementing the movable machine room.

The invention relates to a movable machine room comprising a support platform of a hoisting machine, the support platform comprising one or more releasable mounting mechanisms for releasably mounting the moveable machine room in a hoistway, and a hoisting machine mounted on the support platform; a working platform on top of the support platform, preferably forming a roof of the moveable machine room and/or comprising handrails; and at least one support structure supported by which the working platform rests on the support platform; and wherein each said support structure is selectively actuatable to expand in vertical direction for hoisting the working platform higher above the support platform taking reaction force from the support platform, or to contract in vertical direction for lowering the working platform back towards the support platform. The invention relates to an arrangement and a method implementing the movable machine room.

An elevating cage system includes floor panels for a walk surface that can pivot upward to expose a portion of a container disposed below the platform. Each floor panel has a latch that pivots to engage a cage railing surrounding the platform and hold the floor panel in an open position. The latch is weighted about a pivot so that when the panel is pivoted to a completely open position, the latch pivots under its own weight to engage a stop so that the latch is disposed in an orientation to engage the handrail and hold the panel in the open position until an operator releases the latch. When the panel pivots to its closed position, the latch's weight balance about its pivot causes the latch to rotate until the latch engages the stop and is held in a stowed orientation in which the latch is entirely below a plane of an upper surface of the panel.

An elevating cage system includes floor panels for a walk surface that can pivot upward to expose a portion of a container disposed below the platform. Each floor panel has a latch that pivots to engage a cage railing surrounding the platform and hold the floor panel in an open position. The latch is weighted about a pivot so that when the panel is pivoted to a completely open position, the latch pivots under its own weight to engage a stop so that the latch is disposed in an orientation to engage the handrail and hold the panel in the open position until an operator releases the latch. When the panel pivots to its closed position, the latch's weight balance about its pivot causes the latch to rotate until the latch engages the stop and is held in a stowed orientation in which the latch is entirely below a plane of an upper surface of the panel.

A scaffold anti-falling device including a base body. A mounting shaft and a limiting block are fixed in the base body, and an anti-falling retaining arm is movably installed on the mounting shaft. A tail end of the anti-falling retaining arm corresponds to the limiting block, and the anti-falling retaining arm is limited by the limiting block when the anti-falling retaining arm is placed flat. A counterweight block is installed on the tail end of the anti-falling retaining arm, and the counterweight block drives to the anti-falling retaining arm to swing upward to reset. A trigger swing arm is movably installed in the base body, and the trigger swing arm is placed under the anti-falling retaining arm and forms an angle with the anti-falling retaining arm. The scaffold anti-falling device is simple in structure and convenient in installation and can effectively prevent a scaffold from falling accidentally.

It is an object of one or more embodiments of the present disclosure to provide a retractable mezzanine walkway, which when used in conjunction with high-density mobile shelving systems, expands and rolls out, creating an aisle for which employees can walk down. The retractable mezzanine walkway includes pairs of mobile shelving units configured to sit on top of parallel tracks. The retractable mezzanine walkway is configured to roll out between a pair of mobile shelving units when the pair of mobile shelving units is moved apart, such that an aisle is created, and configured to store inside the pair of mobile shelving units when the pair of mobile shelving units are moved together.

It is an object of one or more embodiments of the present disclosure to provide a retractable mezzanine walkway, which when used in conjunction with high-density mobile shelving systems, expands and rolls out, creating an aisle for which employees can walk down. The retractable mezzanine walkway includes pairs of mobile shelving units configured to sit on top of parallel tracks. The retractable mezzanine walkway is configured to roll out between a pair of mobile shelving units when the pair of mobile shelving units is moved apart, such that an aisle is created, and configured to store inside the pair of mobile shelving units when the pair of mobile shelving units are moved together.

Self-climbing device for vertical and quasi-vertical concrete surfaces with main body equipped with a main beam by way of displacement rail, and several self-motorized frames, independent of each other and separately controllable, displaceable along the main beam of the main body, all with a characteristic operating method. The present invention provides the main advantage of allowing going up or climbing any structure, device or machine, such as a crane or a working platform, being applicable and usable on both vertical and quasi-vertical surfaces, flat or curved, free geometry and with variable slope, and with advances or displacements unit of variable length, adapted to the structure or area to climb.

Self-climbing device for vertical and quasi-vertical concrete surfaces with main body equipped with a main beam by way of displacement rail, and several self-motorized frames, independent of each other and separately controllable, displaceable along the main beam of the main body, all with a characteristic operating method. The present invention provides the main advantage of allowing going up or climbing any structure, device or machine, such as a crane or a working platform, being applicable and usable on both vertical and quasi-vertical surfaces, flat or curved, free geometry and with variable slope, and with advances or displacements unit of variable length, adapted to the structure or area to climb.