WRTZB-L series lifting small barrel electric lubrication pump is suitable for bridge crane equipment of ports and docks, as well as large-scale crane equipment, belt conveyor equipment, ironmaking equipment and tour of metallurgy, heavy machinery, petroleum, electric power, building materials and other industries. The equipment has a lubrication frequency of general, the nominal pressure is below 20Mpa, and the lubrication point is below 100 points. It can be combined with the progressive distributor to form a single-line lubrication system. It can also be equipped with a two-line hydraulic reversing valve. The two-line distributor forms a two-line centralized lubrication system.