A wall grabbing system and method of grabbing a wall structure of a modular construction unit. The wall grabbing system includes a machine attachment structure and a wall grabbing device coupled to the machine attachment structure. The wall grabbing device includes a frame assembly having one or more wall guides and a hook assembly coupled to the frame assembly between the one or more wall guides. The hook assembly includes one or more hooks and an actuator. The one or more hooks are configured to engage the wall structure. The actuator is coupled to the frame assembly and includes an actuator shaft coupled to the hook assembly. The actuator moves the hook assembly from an extended position to a retracted position such that the one or more hooks engage the wall structure in the retracted position to grab the wall structure.

A wall grabbing system and method of grabbing a wall structure of a modular construction unit. The wall grabbing system includes a machine attachment structure and a wall grabbing device coupled to the machine attachment structure. The wall grabbing device includes a frame assembly having one or more wall guides and a hook assembly coupled to the frame assembly between the one or more wall guides. The hook assembly includes one or more hooks and an actuator. The one or more hooks are configured to engage the wall structure. The actuator is coupled to the frame assembly and includes an actuator shaft coupled to the hook assembly. The actuator moves the hook assembly from an extended position to a retracted position such that the one or more hooks engage the wall structure in the retracted position to grab the wall structure.

A pipe spreader comprising: a frame, and; a pair of mutually cooperating pipe engagement assemblies, coupled to the frame, for engaging a pipe; each of the pair of mutually cooperating pipe engagement assemblies comprises: at least one spreader assembly, the spreader assembly includes a spreader beam and an end manipulator coupled to the spreader beam, wherein at least a portion of the spreader assembly is arranged to be selectively removable from the pipe engagement assembly.

A pipe spreader comprising: a frame, and; a pair of mutually cooperating pipe engagement assemblies, coupled to the frame, for engaging a pipe; each of the pair of mutually cooperating pipe engagement assemblies comprises: at least one spreader assembly, the spreader assembly includes a spreader beam and an end manipulator coupled to the spreader beam, wherein at least a portion of the spreader assembly is arranged to be selectively removable from the pipe engagement assembly.

The present disclosure relates to an apparatus and method for loading and unloading cargo of air mobility, in which cargo loading and unloading may be automated without the aid of human resources, as well as enabling loading and unloading of cargo in a required location without an air mobility landing. The apparatus includes a winch installed in a cargo hold of an air mobility, a multiarticulated robot arm suspended from the winch, and a gripper provided on an end of the multiarticulated robot arm and capable of gripping a container.

The present disclosure relates to an apparatus and method for loading and unloading cargo of air mobility, in which cargo loading and unloading may be automated without the aid of human resources, as well as enabling loading and unloading of cargo in a required location without an air mobility landing. The apparatus includes a winch installed in a cargo hold of an air mobility, a multiarticulated robot arm suspended from the winch, and a gripper provided on an end of the multiarticulated robot arm and capable of gripping a container.

The present application relates to a battery storage device and an oiling method, and belongs to the technical field of battery overhauling and maintenance. The present application provides a battery storage device for storing a battery and charging the battery, and the battery has a connecting element for being connected to an electrical apparatus. The battery storage device includes: a battery placement rack; and an oiling mechanism arranged on the battery placement rack and used for oiling the connecting element. The present application further provides an oiling method. By using the battery storage device and the oiling method provided in the present application, the connecting element of the battery can be oiled and maintained, and the service life of the connecting element of the battery is prolonged.