Mud-water balance pipe jacking and pulling method and device
A mud-water balance and top-pull technology, applied in mining equipment, earth square drilling, mining equipment, etc., can solve problems such as high requirements for drilling sites, inaccurate control of horizontal directional drilling elevation, water and soil loss, etc.
Active Publication Date: 2020-08-07
中山市智合环境技术有限责任公司 +1
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- Application Information
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Problems solved by technology
Among them, it is difficult to correct the deviation of pipe jacking in mud-water balance, and it is easy to get stuck when the geology is complex; the elevation control of horizontal directional drilling is not accurate, and the site requirements are large; the elevation control of directional drilling is not accurate, and the requirements for drilling site are high.
Method used
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[0044] In the following description, the present invention is described with reference to various examples. One skilled in the art will recognize, however, that the various embodiments may be practiced without one or more of the specific details, or with other alternative and / or additional methods, materials, or components. In other instances, well-known structures, materials, or operations are not shown or described in detail so as not to obscure aspects of the various embodiments of the invention. Similarly, for purposes of explanation, specific quantities, materials and configurations are set forth in order to provide a thorough understanding of embodiments of the invention. However, the invention may be practiced without these specific details. Furthermore, it should be understood that the various embodiments shown in the drawings are illustrative representations and are not necessarily drawn to scale.
[0045] In this specification, reference to "one embodiment" or "the...
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The invention discloses a mud-water balance pipe jacking and pulling method. The mud-water balance pipe jacking and pulling method comprises the following steps of putting a host into a working well and fixing; adjusting the elevation of the host, adjusting the axial inclination of the host according to the designed pipeline slope, and installing a drill bit; starting the host and jacking the drill bit toward an opening of a cave; after a front section of a drill rod for guiding the drill bit enters the soil, withdrawing a jacking tool and mounting a guiding drill rod, and continuing guiding and jacking; when the drill bit enters a receiving well, removing the drill bit and mounting a mud-water balancer on the guiding drill rod in the receiving well; mounting a center pull rod, a mud drainpipe, a grouting pipe, a pipeline, a sleeve and a tail baffle behind the mud-water balancer; starting the host for rotational pull backwards to pull the pipeline toward the working well; mounting a next section of pipeline continuously after the front section of pipeline is pulled down; and dismounting the head and removing the guiding drill rod when the pipeline is pulled in the working well.
Description
technical field [0001] The invention relates to the technical field of pipeline construction. More specifically, the present invention relates to a mud-water balance jacking method and device. Background technique [0002] With the further development of municipal construction and the gradual improvement of rural living conditions, the demand for public infrastructure and household water supply and drainage has further increased, which is inseparable from construction work such as pipeline installation and maintenance. [0003] Compared with excavation construction, the overall advantage of trenchless construction of underground pipelines is that the negative impact of construction is small, the site occupation is relatively small, and the impact on the ground, traffic, environment, and surrounding underground pipelines is very weak. [0004] In the construction of sewage pipelines, areas with poor geology and dense buildings are often encountered. In order to reduce the im...
Claims
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IPC IPC(8): E21D9/10E21D9/00E21D9/12E21F17/18E21F17/00
CPCE21D9/1006E21D9/12E21D9/003E21F17/18E21F17/00
Inventor 郭坤
Owner 中山市智合环境技术有限责任公司