Cross-section type garbage treatment device based on black and odorous river treatment

The utility model discloses a cross-section type garbage treatment device based on black and odorous river treatment, which comprises a fixed frame, a through groove is formed in one side of the fixed frame, and a sieve plate is connected in the through groove in a sliding manner; when the device is used, the fixed frame is fixed to the cross section of a river, water flow is filtered through the sieve plate, garbage is isolated on the upper portion of the sliding plate, and when the garbage needs to be collected and treated, the output end of the motor rotates to drive the bidirectional threaded rod to rotate, so that the two-way threaded rod is driven to rotate, and the two-way threaded rod is driven to rotate. A first U-shaped frame is driven to move through connection of a connecting rod, a sliding plate is driven to move in the direction of a first sliding groove, in the sliding plate moving process, an isolation plate rotates along with the sliding plate, meanwhile, the isolation plate is limited throug