According to embodiments, an overhead lift includes a lift actuator; and a control system communicatively coupled to the lift actuator. The control system may include a control unit comprising a processor with a memory communicatively coupled to the processor and having computer readable and executable instructions and at least one transceiver communicatively coupling the control unit to at least one of a computer, a network, and a data storage device. The processor executes the computer readable and executable instructions to: determine at least one operating characteristic of the overhead lift and an operating time of the overhead lift as the overhead lift is actuated; determine an accumulated load-time parameter for the overhead lift based on the at least one operating characteristic and the operating time; and upload the accumulated load-time parameter to at least one of the computer, the network, and the data storage device.

A Building Element Lift Enhancer is described. The Building Element Lift Enhancer provides for the movement and precise placement of building elements such as blocks or sheet products by one worker. The Building Element Lift Enhancer senses the force applied by a user to the building element and converts that user applied force to mechanically assisted force from the Building Element Lift Enhancer, allowing the user to precisely move and handle large, heavy or bulky building elements by direct interaction with the building element.

A hydraulic crane comprising: a rotatable column (7); a crane boom system comprising a first crane boom (11) connected to the column; and an electronic control device for controlling the movement of the column and the crane boom system on the basis of control signals from a manoeuvring unit and a calculation model for boom tip control. The control device is configured to switch from a first control mode into a second control mode when the first crane boom is about to interfere with an obstacle. In the first control mode, the control device controls the crane boom movements in accordance with an ordinary control strategy. In the second control mode, the control device makes the load suspension point (P) of the crane boom system move along the trajectory defined by said control signals while controlling the crane boom movements in accordance with an auxiliary control strategy in which the first crane boom is prevented from interfering with the obstacle.

A hydraulic crane comprising: a rotatable column (7); a crane boom system comprising a first crane boom (11) connected to the column; and an electronic control device for controlling the movement of the column and the crane boom system on the basis of control signals from a manoeuvring unit and a calculation model for boom tip control. The control device is configured to switch from a first control mode into a second control mode when the first crane boom is about to interfere with an obstacle. In the first control mode, the control device controls the crane boom movements in accordance with an ordinary control strategy. In the second control mode, the control device makes the load suspension point (P) of the crane boom system move along the trajectory defined by said control signals while controlling the crane boom movements in accordance with an auxiliary control strategy in which the first crane boom is prevented from interfering with the obstacle.

A transportable lifting device (10) comprising: an upright (12); an arm (13) connectable to the upper end of said upright (12); a diagonal (14) for connecting said arm (13) and said upright (12); characterized in that said arm (13) is fixed to said upright (12) by means of a first joint (30, 35); said diagonal (14) is fixed to said upright (12) by means of a second joint (32, 41); said diagonal (14) is fixed to said arm (13) by means of a third joint (36, 40); said first joint (30, 35), said second joint (32, 41) and said third joint (36, 40) are of the type with double tenon and mortise; said first joint (30, 35) comprises: two hooks (35) placed at the end of the arm (13); two vertical slots (30) placed on the upright (12). (FIG. 1)

Overhead lifts with control systems are disclosed. The overhead lifts may include a lift actuator communicatively coupled to a control system. The control system may include a control unit comprising a processor and a memory having computer readable and executable instructions and at least one port for communicatively coupling the control unit to at least one of a computer, a network, and a data storage device. The processor executes the computer readable and executable instructions to: determine at least one operating characteristic of the overhead lift and an operating time of the overhead lift as the overhead lift is actuated; determine an accumulated load-time parameter for the overhead lift based on the at least one operating characteristic and the operating time; and provide an indication that a component of the overhead lift requires service based on the comparison of the accumulated load-time parameter to a service constant.

Overhead lifts with control systems are disclosed. The overhead lifts may include a lift actuator communicatively coupled to a control system. The control system may include a control unit comprising a processor and a memory having computer readable and executable instructions and at least one port for communicatively coupling the control unit to at least one of a computer, a network, and a data storage device. The processor executes the computer readable and executable instructions to: determine at least one operating characteristic of the overhead lift and an operating time of the overhead lift as the overhead lift is actuated; determine an accumulated load-time parameter for the overhead lift based on the at least one operating characteristic and the operating time; and provide an indication that a component of the overhead lift requires service based on the comparison of the accumulated load-time parameter to a service constant.

An adapter assembly for an equipment stand is provided. The adapter assembly comprises an adapter plate and a plurality of support arm assemblies. The adapter plate comprises a plurality of horizontally-extending grooves and a plurality of vertically-extending grooves. Each groove is formed through a thickness of the adapter plate. The plurality of support arm assemblies extend from the adapter plate and are configured to engage with and to support a piece of equipment. The adapter assembly includes a first support arm assembly associated with a first horizontally-extending groove and a second support arm assembly associated with a first vertically-extending groove.

A crane for lifting and transporting loads includes a base frame, capable of transferring the loads onto a support surface. A sliding element is slidably constrained to the base frame. An arm capable of moving the loads is hinged to the sliding element. A connection element has a first end hinged to the sliding element, and a second end constrained to the base frame in a mobile manner. Each of a pair of rod elements is hinged to the base frame and to the connection element to form an articulated quadrilateral. A first linear actuator is hinged to the base frame and to the connection element and capable of causing sliding movement of the sliding element relative to the base frame. A second linear actuator is hinged to the sliding element and to the arm capable of causing mutual rotation movement between the arm and the sliding element.

A crane for lifting and transporting loads includes a base frame, capable of transferring the loads onto a support surface. A sliding element is slidably constrained to the base frame. An arm capable of moving the loads is hinged to the sliding element. A connection element has a first end hinged to the sliding element, and a second end constrained to the base frame in a mobile manner. Each of a pair of rod elements is hinged to the base frame and to the connection element to form an articulated quadrilateral. A first linear actuator is hinged to the base frame and to the connection element and capable of causing sliding movement of the sliding element relative to the base frame. A second linear actuator is hinged to the sliding element and to the arm capable of causing mutual rotation movement between the arm and the sliding element.