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Novel efficient subway construction shield device

A shield and high-efficiency technology, applied to mining equipment, earth square drilling, tunnels, etc., can solve problems such as unsmooth excavation, easy-to-contaminate construction site construction efficiency, etc., and achieve simple structure, increased cleaning costs, and scientific and reasonable design.

Inactive Publication Date: 2019-04-05
陈明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a new type of high-efficiency shield tunneling equipment for subway construction to solve the problems of unsmooth excavation, easy pollution of the construction site and low construction efficiency in the prior art

Method used

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  • Novel efficient subway construction shield device

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Embodiment

[0016] Such as Figure 1-3 As shown, a new type of high-efficiency shield tunneling equipment for subway construction includes a cylindrical shield shell 1, which is set in the shield shell 1 and divides the shield shell 1 into a soil cabin 2 at the front and an engine room 3 at the rear The bulkhead 4, the cutterhead drive motor 5 fixed in the cabin 3, the cutterhead bearing 6 at the center of the bulkhead 4, matched with the cutterhead bearing 6, one end stretches into the cabin 3 and passes through the speed regulating gear Group 7 is connected with the drive shaft of cutterhead drive motor 5, the other end stretches into soil cabin 2 and the end of this end is connected with cutterhead shaft 9 of cutterhead 8, is located on the cutterhead shaft 9 and is located at bulkhead 4 and The mixing paddle 14 between the cutter heads 8 is fixed on the unearthed drive motor 10 in the engine room 3, one end is fixed in the engine room 3 and is sleeved on the shell of the unearthed dri...

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Abstract

The invention discloses a novel efficient subway construction shield device which comprises a cylindrical shield shell, a cutter driving motor, a cutter bearing, a cutter shaft, stirring blades, a soil discharge driving motor, a soil discharge sleeve, a spiral soil discharge rod, hydraulic jacks and a muck conveying pipeline. The inside of the shield shell is divided into a soil cabin and an engine cabin by a shifting board, the cutter shaft is matched with a cutter and connected with the cutter, the stirring blades are arranged on the cutter shaft, the soil discharge driving motor and the soil discharge sleeve are fixed into the engine cabin, the spiral soil discharge rod is arranged in the soil discharge sleeve and the soil cabin, the hydraulic jacks are fixed to the inner side of the shield shell, the muck conveying pipeline is communicated with the soil discharge sleeve, a compressed air cut-in valve is arranged on the muck conveying pipeline, lubricating medium inlets are formed in the muck conveying pipeline every 3-4 meters, oil lines of the four hydraulic jacks are serially connected into a group by two opposite hydraulic jacks, two jack groups are parallelly connected, andthe cutter is in the shape of a spoke or panel. The novel efficient subway construction shield device solves the problems that soil is not smoothly discharged, a construction site is easily polluted,and construction efficiency is low in the prior art.

Description

technical field [0001] The invention relates to a novel high-efficiency shield tunneling equipment for subway construction. Background technique [0002] In the excavation construction of subway tunnels using shield equipment, the traditional method of excavating soil in the soil chamber is to open a hole at the rear end of the excavation sleeve, and the spiral excavation rod transports the soil in the soil chamber to the rear end of the excavation sleeve and passes through the excavation sleeve. The hole falls on the belt conveyor, and is transported by the belt conveyor to the soil bucket of the transport train about 40 meters away, and then transported out of the tunnel by the train, and finally sent to the ground through vertical lifting equipment. Due to the diversity of stratum geology, ranging from micro-permeable muddy soil, highly viscous silty clay to sandy soil with high water permeability coefficient, some soils are too sticky or too loose to make excavation diff...

Claims

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Application Information

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IPC IPC(8): E21D9/13E21D9/093E21D9/08
CPCE21D9/13E21D9/08E21D9/093
Inventor 陈明
Owner 陈明
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