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The invention discloses a sewage pipeline blocking device, and belongs to the technical field of urban drainage equipment. The sewage pipeline blocking device consists of a bidirectional four-linkage mechanism, a rubber sealing member, a sealing plate, and a hydraulic jack. When a pipeline is broken and blocking operation is needed, the device can be put into the pipeline or a well, the bidirectional four-linkage mechanism is gradually unfolded by the pressure of the jack, the sewage can be completely cut off until the rubber sealing member firmly sticks to the working surface. The sewage pipeline blocking device is simple in structure, and reasonable in design; the blocking operation can be implemented immediately after simply cleaning the broken pipeline, without stopping the transmission, thus seizing the opportunity of blockage, and ensuring the success rate of the blockage.
The invention discloses a sewage pipeline blocking device, and belongs to the technical field of urban drainage equipment. The sewage pipeline blocking device consists of a bidirectional four-linkage mechanism, a rubber sealing member, a sealing plate, and a hydraulic jack. When a pipeline is broken and blocking operation is needed, the device can be put into the pipeline or a well, the bidirectional four-linkage mechanism is gradually unfolded by the pressure of the jack, the sewage can be completely cut off until the rubber sealing member firmly sticks to the working surface. The sewage pipeline blocking device is simple in structure, and reasonable in design; the blocking operation can be implemented immediately after simply cleaning the broken pipeline, without stopping the transmission, thus seizing the opportunity of blockage, and ensuring the success rate of the blockage.