An online dual-mode shield machine and a dual-mode conversion method for the shield machine
A shield machine and line technology, applied in earth-moving drilling, mining equipment, tunnels, etc., can solve problems affecting the overall construction period of the project, avoid frequent abnormal damage to the belt conveyor, avoid mud cakes on the cutter head, and the layout is compact and reasonable. Effect
Active Publication Date: 2022-04-19
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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Problems solved by technology
However, this dual-mode shield machine is an offline dual-mode shield machine, and the two modes of slag discharge equipment (main belt conveyor, screw conveyor) cannot coexist due to factors such as space and technical constraints, and require a large investment in the tunnel Only human, material and financial resources can successfully complete the mode conversion operations such as disassembling and assembling key components. This kind of dual-mode shield that cannot be online at the same time will inevitably affect the overall construction period and construction cost of the project.
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[0028] It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with an embodiment.
[0029] An online type double-mode shield machine, comprising a cutterhead 1 and shield body 2 set sequentially, the front part of the shield body 2 is provided with an earthen warehouse 201, the shield body 2 is provided with both the main belt machine 6 and the screw conveyor 8, the front end of the main belt machine 6 is located in the front middle of the shield 2, the front end of the screw conveyor 8 is located in the lower part of the front side within the shield 2, the rear end of the host belt conveyor 6 and the rear end of the screw conveyor 8 are set left and right symmetrically set or right left symmetrical settings, such as Figures 1 through 3 as shown.
[0030] ...
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The invention provides an online dual-mode shield machine and a dual-mode conversion method of the shield machine. The online dual-mode shield machine includes a cutter head (1) and a shield body (2) arranged in sequence, and the shield body (2) is provided with earth bin (201) in the front portion, is provided with main engine belt conveyor (6) and screw conveyor (8) simultaneously in the shield body (2), and the front end of main engine belt conveyor (6) is positioned at shield body ( 2), the front end of the screw conveyor (8) is located at the front lower part of the shield (2), the rear end of the host belt conveyor (6) and the rear end of the screw conveyor (8) are arranged left and right or Right and left settings. The online dual-mode shield machine and the dual-mode conversion method of the shield machine can enable the shield machine to realize convenient, fast and reliable conversion between the earth pressure balance shield mode and the hard rock TBM mode, improve construction efficiency, and reduce labor intensity of workers.
Description
Technical field [0001] The present invention relates to the field of tunnel boring construction, specifically an in-line type two-mode shield machine, or a dual mode conversion method of a shield machine. Background [0002] With the large-scale construction of urban subways in China, shield machines have gradually been widely used with their advantages of high degree of automation, high construction safety and small pollution. Usually, the single-mode earth pressure shield machine has low excavation efficiency in extreme hard rock formations, and the single shield or double shield TBM cannot be bored in soft soil or composite formations, and the earth pressure-TBM dual-mode shield machine came into being in this construction environment, and it has been successfully applied in shenzhen, Fuzhou, Qingdao and other complex and changeable geological municipal subway projects. However, the dual-mode shield machine belongs to the offline type double-mode shield machine, the two modes...
Claims
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IPC IPC(8): E21D9/087E21D9/12
CPCE21D9/0873E21D9/124E21D9/12
Inventor贾连辉阴书玉袁文征高文梁张永辉吴嘉宜李明
OwnerCHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD