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Multi-shaft horizontal rotary jet grouting machine and construction method thereof

A technology of horizontal rotary jetting and main engine, which is used in earth-moving drilling, wellbore lining, tunnel lining and other directions, can solve the problems of low production efficiency of single-axis equipment, achieve high construction accuracy, improve economic benefits, and save labor.

Active Publication Date: 2014-03-19
杨积凯
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to improve the work efficiency and engineering quality of horizontal rotary spraying, technologies such as double-tube rotary spraying, three-tube rotary spraying, and all-round high-pressure rotary spraying have been developed successively after single-tube rotary spraying, but the essence of these technologies is single-axis rotary spraying. , that is, a rotary spraying process forms a rotary spraying pile, and the equipment used in the horizontal rotary spraying is all single-axis equipment, and the production efficiency of single-axis equipment is low

Method used

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  • Multi-shaft horizontal rotary jet grouting machine and construction method thereof
  • Multi-shaft horizontal rotary jet grouting machine and construction method thereof
  • Multi-shaft horizontal rotary jet grouting machine and construction method thereof

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Embodiment Construction

[0040] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0041] An embodiment of the present invention provides a multi-axis horizontal rotary spraying machine, including a chassis, a main engine and a drilling tool arranged on the chassis. The chassis can be an arch type chassis or a crawler type multifunctional drilling rig chassis. Its function is to adjust the attitude of the main engine and control the angle of the drilling tool during horizontal rotary spraying construction. The crawler-type chassis can be used in a wide range of construction environments and facilitates the movement of equipment. The hydraulic pump station includes motors, hydraulic pumps, oil tanks, brackets, couplings and other accessories, supporting the hydraulic system operation of the horizontal jet spray machine.

[0042] figure 1 It is a schematic diagram of the host structure of the multi-axis horizontal rotary jetting machine pro...

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Abstract

The invention relates to a multi-shaft horizontal rotary jet grouting machine and a construction method of the multi-shaft horizontal rotary jet grouting machine. The multi-shaft horizontal rotary jet grouting machine comprises a chassis as well as a main machine and a drilling tool arranged on the chassis, wherein the main machine comprises at least one feeding rack in a unit type frame structure, a power head arranged on the feeding rack, a thrusting mechanism for providing power to the power head to move along the feeding rack, and a double-tube water supplier for providing drilling water and jet grouted cement pulp to the drilling tool; the power head comprises a power shaft group and a rotating motor for driving the power shaft group to make rotational movement; the power shaft group comprises at least two power shafts which are parallel to each other and on one same plane; the drilling tool comprises a drilling nozzle and a drilling rod connected with the drilling nozzle; the other end of the drilling rod is connected with the power shaft. A plurality groups of rotary jet grouting drilling tools work simultaneously, so that the production efficiency is improved, and the labor is saved.

Description

technical field [0001] The invention belongs to the technical field of tunnel advance support, and in particular relates to a multi-axis horizontal rotary grouting machine and a construction method thereof. Background technique [0002] As one of the advanced tunnel support methods, the horizontal jet grouting technology is more and more widely used. It forms a closed horizontal jet grouting curtain on the tunnel vault and its surroundings. The horizontal jet grouting pile has beam effect and soil improvement and strengthening effect. It can play the role of anti-quick sand, anti-slip, anti-seepage, ensure the safety of tunnel excavation, and is suitable for advanced support in weak strata. [0003] In order to improve the work efficiency and engineering quality of horizontal rotary spraying, technologies such as double-tube rotary spraying, three-tube rotary spraying, and all-round high-pressure rotary spraying have been developed successively after single-tube rotary spray...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/10
Inventor 杨积凯严丰俊
Owner 杨积凯
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