Electric trolley is more convenient to use, but it is also called electric monorail. The electric trolley is driven by motor and runs under the I-beam with four wheels. It can be combined with electric hoist and other lifting tools to form an electric transport crane. It can be installed on Monorail or cantilever crane. It is widely used in factories, mines, warehouses and other places to install machines, lift goods and maintain equipment. Lifting capacity: 0.5 to 100 tons.electric trolle is mainly used in electric power, ships, automobile manufacturing, construction, highway, bridge, metallurgy, mining, slope tunnel, shaft treatment and protection of mechanical equipment in infrastructure engineering. In the daily inspection, monthly inspection and annual inspection, any unqualified parts shall be repaired, adjusted or replaced immediately. The maintenance shall meet the following requirements: 1. The material and performance of the replacement part shall be the same as that of the original one during maintenance; 2. When the structural parts need welding repair, the materials, welding rods and welding quality shall meet the quality standards of the original structural parts; 3. When the electric hoist is in working state, maintenance and repair are not allowed. Crane with electric sports car must achieve "ten no lifting" 1. Do not lift when exceeding the rated load; 2. The working site is dark, unable to see the site clearly, and do not hoist when the object is initially hoisted or the command is unclear; 3. The lifting rope and accessories are not firmly bound and do not meet the safety requirements; 4. Crane hanging heavy objects for processing directly will not be hoisted; 5. Slanting pulling and slanting hanging; 6. No lifting is allowed for people standing on the workpiece or with moving objects; 7. Oxygen cylinder, acetylene cylinder and other explosive dangerous articles shall not be hoisted; 8. Do not lift if there are edges and corners, and the quick mouth is not well padded; 9. If the weight is unknown, do not lift the objects buried in the ground; 10. The management personnel shall not lift the crane in violation of regulations.Monorail website:http://www.zhishen-hoistingequipments.com/monorail/