Tool for replacing oil pump filter element cover of gear box of double-fed unit

The utility model discloses a tool design for replacing an oil pump filter element cover of a gear box of a double-fed unit, which comprises a ratchet wrench comprising a telescopic rod and a ratchet head fixed at the tail end of the telescopic rod; the sleeve assembly comprises a fixing block fixedly installed at the top of the sleeve assembly, a customized sleeve fixedly installed at the bottom of the fixing block, a locking nut installed on one side of the customized sleeve and a clamping hoop connected to the bottom of the sleeve assembly through a nylon rope, and the labor strength of a user can be reduced through the arrangement of a ratchet wrench; through the arrangement of a customized sleeve and a hoop, it is guaranteed that the device is not prone to slipping when disassembled or installed, the filter element cover can be disassembled or installed more firmly and rapidly, and the space utilization rate of the device can be increased through the arrangement of a telescopic rod; and through the arran