Cofferdam reaction frame device for deepwater bridge substructure construction

The utility model discloses a cofferdam counter-force frame device for deepwater bridge substructure construction, which comprises a counter-force frame main body, a positioning mechanism and a sample, the positioning mechanism is arranged on the front surface of the counter-force frame main body, the sample is arranged between the counter-force frame main body and the positioning mechanism, the sample detection is not influenced, and the sample detection accuracy is improved. The positioning mechanism can be used for positioning a sample, the positioning mechanism comprises frames, a positioning plate, a telescopic plate, a driving assembly and a bidirectional screw rod, the two frames are movably mounted on the front surface of the lower end of the reaction frame main body, and the telescopic plate is arranged between the two frames; according to the reaction frame, the reaction frame main body, the positioning mechanism and the sample are combined, so that the reaction frame main body is not influenced to