Shield tunneling machine shield tail synchronous embedded-type double-liquid grouting device
A dual-liquid grouting, embedded technology, applied in shaft equipment, wellbore lining, tunnel lining, etc., can solve the problems of poor use effect, blockage of liquid pipes, complicated operation, etc., achieve simple structure, prevent water seepage, easy to use effect achieved
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[0015] Such as Figure 1 to Figure 3 As shown, the present invention includes a first valve block 1, a second valve block 2 and a shield connecting block 3, the first valve block 1 is welded to the second valve block 2, the second valve block 2 is welded to the shield connecting block 3, Corresponding A liquid channel 4, B liquid channel 5, piston channel 6 and water channel 7 are arranged in the first valve block 1 and the second valve block 2, and correspondingly arranged in the first valve block 1 and the second valve block 2 A liquid channel 4 is connected at the connection between the first valve block 1 and the second valve block 2 through the A liquid seam pipe 8 and the sealing ring 9; the water channel 7 correspondingly arranged in the first valve block 1 and the second valve block 2 is in The connection between the first valve block 1 and the second valve block 2 is connected through a water joint pipe 10 and a sealing ring 9 . The end of the first valve block 1 is ...
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