Up-to-down silo construction system and method
A construction method and shaft technology, which are applied in shaft equipment, well sinking, and earthwork drilling, etc., can solve problems such as poor shaft safety, personal safety threats to construction personnel, and shaft wall collapse, etc., to improve safety, reduce construction risks, The effect of disturbance reduction
Active Publication Date: 2020-01-14
CHINA RAILWAY CONSTR HEAVY IND
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Problems solved by technology
[0003] Existing shafts are usually manually excavated from top to bottom, combined with mine support devices to realize shaft support. When construction workers are working in shafts, accidents such as shaft wall collapse are very likely to occur, and the personal safety of construction workers are seriously threatened, so the safety of existing shafts during construction is relatively poor
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[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0050] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0051] Please refer to Figure 1 to Figure 5 , figure 1 The state diagram during the preliminary construction of the vertical shaft construction system from top to bottom provided for a specific embodiment of the p...
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The invention discloses an up-to-down silo construction system. The system comprises an inner cylinder, a cutter head module, a muddy water circular flowing device, and a fixed spacing sleeve fixedlyarranged on the inner wall of the inner cylinder and contacted with the outer peripheral surface of the end, near the cutter head module, of the muddy water circular flowing device; and a closed muddywater bin is formed between the fixed spacing sleeve and a ground to be excavated. The muddy water circular flowing device comprises a pulp inlet pipe and a pulp discharge pipe; and during feeding ofthe cutter head module, the muddy water bin is compressed to generate pressure, so that the cutter head module can excavate the ground to be excavated with the pressure. After muddy water is input bythe pulp inlet pipe, the muddy water in the muddy water bin is mixed with soil slag cut by the cutter head module, and formed mixtures are discharged from the pulp discharge pipe under the pressure effect of the muddy water bin. The stability of the ground to be excavated can be effectively guaranteed through pressure feeding of the cutter head module, so that the disturbance of the cutter head module on soil layers around the ground to be excavated is reduced, the construction risk is reduced, and the silo construction safety is improved. The invention further provides an up-to-down silo construction method.
Description
technical field [0001] The invention relates to the field of shaft construction, in particular to a top-down shaft construction system and method. Background technique [0002] With the acceleration of urbanization development, the demand for urban rail transit and underground comprehensive pipe corridors is increasing day by day, and the construction of urban rail transit and underground comprehensive pipe corridors usually requires the excavation of vertical shafts to achieve functions such as wire connection or ventilation , making the application of shafts more and more common. [0003] Existing shafts are usually manually excavated from top to bottom, combined with mine support devices to realize shaft support. When construction workers are working in shafts, accidents such as shaft wall collapse are very likely to occur, and the personal safety of construction workers are seriously threatened, so the safety of existing shafts during construction is relatively poor. ...
Claims
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IPC IPC(8): E21D1/03
CPCE21D1/03
Inventor 刘飞香程永亮申鹏飞曾国华欧阳康淼刘学王海明唐跃志王宗勇李一昕黄福昌
Owner CHINA RAILWAY CONSTR HEAVY IND