Construction method of hydraulic piston well under casting machine
A technology of hydraulic piston and construction method, which is applied in excavation, industrial construction, infrastructure engineering, etc., and can solve the problems of high safety management cost, difficult construction of underwater bottom sealing of pipe bottom, and high construction cost
Active Publication Date: 2018-03-09
SHANGHAI BAOYE GRP CORP
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Problems solved by technology
One is manual excavation of reinforced concrete inner mold retaining wall; this form is in the situation where the groundwater level is low in the interior and the soil quality is better, but there are many safety hazards in digging in the well, and the safety management cost is high; the other is high-pressure water flushing of sheathed steel pipes in high water level areas. Hole type, there are mud discharge sites, diving operations, high construction costs, and difficult underwater sealing construction at the bottom of the pipe
Method used
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Embodiment Construction
[0035] The present invention is further illustrated below by specific examples.
[0036] Such as figure 1 Shown, a kind of construction method of the hydraulic piston well under the casting machine, it comprises the casting well 1 that has been excavated according to the design requirements, also includes
[0037] Such as figure 2 , image 3 as shown,
[0038] Step 1, setting up a drilling platform and a pilot hole device in the casting well 1;
[0039] Step 1.1. Before pouring the wall panels of the casting well 1, embed the pre-embedded iron parts 4 used to connect the drilling platform with the inner wall of the casting well 1 into the four walls 2 of the casting well 1;
[0040] Step 1.2, pouring and curing the concrete of the casting well 1 wall 2, the strength of the concrete reaches more than 80%, ensuring that the stress of the embedded iron parts 4 meets the requirements;
[0041] Step 1.3: Build three horizontal steel frames 5 from top to bottom with steel beam...
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The invention relates to a construction method of a hydraulic piston well under a casting machine. The method is characterized by comprising the steps of erecting a drilling platform and a guiding device in a casting well; manufacturing an external mold steel pipe of the piston well; by utilizing the drilling platform and guiding device, hoisting the external mold steel pipe of the piston well into the drilling platform by using a hoist; removing the drilling platform and guiding device; manufacturing an internal mold steel pipe of the piston well, plugging the bottom of the pipe and hoistingthe internal mold steel pipe of the piston well into the external mold steel pipe of the piston well; arranging an anchor fluke at the mouth of the internal mold steel pipe of the piston well as welland connecting the internal mold steel pipe of the piston well with a bottom plate of the casting well through the anchor fluke; and carrying out concrete construction of the bottom plate of the casting well. According to the method disclosed by the invention, the slurry-supported underground drilling is carried out by utilizing a self-made steel-frame guide rail device and a self-made steel framecooperates with a guide rail to limit and hoist the external mold steel pipe of the piston well; large drilling equipment is saved; and the previous problems of vertical errors of shell drilling andpositioning and leakage of pipe bottom grouting and plugging are solved.
Description
technical field [0001] The invention relates to the installation field of hydraulic piston wells for casting wells in newly-built melting and casting workshops in coastal soft soil areas with high water levels, in particular to a construction method for hydraulic piston wells under casting machines. Background technique [0002] In the civil installation and construction of the piston well of the casting machine in the melting and casting workshop of the aluminum industry, digging holes and punching holes with high-pressure water on the steel pipe sheath are commonly used construction techniques. One is manual excavation of reinforced concrete inner mold retaining wall; this form is in the situation where the groundwater level is low in the interior and the soil quality is better, but there are many safety hazards in digging in the well, and the safety management cost is high; the other is high-pressure water flushing of sheathed steel pipes in high water level areas. Hole f...
Claims
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Login to View More IPC IPC(8): E02D17/06E04H5/06
Inventor 张浩刘高峰肖红广陈定洪茅锦麒
Owner SHANGHAI BAOYE GRP CORP