58results about How to "Expand the operating area" patented technology

The utility model relates to the technical field of lubricating oil filling, and discloses a subway train lubricating oil intelligent filling device which comprises a cabinet body, an oil drum is installed at the bottom end in a cabinet body cavity, and a serial port display screen, a self-reset switch and an emergency switch are arranged at the top end of the cabinet body. The execution module comprises a direct-current brushless motor and a bidirectional gear pump; the control module comprises a single chip microcomputer and a double-gear rotary switch; the power module comprises a graphene lead-acid battery pack, a double-control air switch and a power adapter; and a signal acquisition module. The signal collecting module is used for collecting information of all the modules, the power module is used for supplying power, the control module is used for operating and controlling equipment, the execution module is used for controlling in and out of lubricating oil, all the modules are matched with one another through the reasonable structural design, and the device is small in structure, high in oil injection efficiency and high in use convenience.