High-pressure jet grouting device for civil engineering

The invention relates to a high-pressure jet grouting device for civil engineering and aims at solving the problems that in the prior art, the occupied space of a grouting device is large, and operation is not convenient. The high-pressure jet grouting device comprises a pressurizing mechanism installed on a support. The pressurizing mechanism comprises a three-way pipe. The inlet end of the three-way pipe is connected with a feeding box and an air compressor in parallel. The outlet end of the three-way pipe is connected with a nozzle. The high-pressure jet grouting device further comprises a displacement control mechanism controlling the position of the nozzle. The high-pressure jet grouting device for civil engineering has the beneficial effects that the human labor intensity is lowered, and manual adjustment is facilitated due to the arrangement of wheels; an automatic control manner is adopted for controlling the nozzle to move, the moving stroke is large, positioning is accurate, and the labor intensity of workers is lowered; the service life of parts is prolonged; the feeding speed and feeding pressure of sizing are controllable, and adjustment can be conducted at any time in the production process.