Compound-Type Tunnelling Shield
AssigneeChina Rail Way Engineering Equipment Group Co., Ltd.
InventorsYulian HE, Jianbin LI
Life of this patent
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Abstract
A tunnel boring apparatus includes a shield body and a cutting disc provided at a front portion of the shield body. The tunnel boring apparatus includes a high pressure liquid device, which includes a liquid storage tank for storing a predetermined amount of liquid, a pressure raising device for increasing a pressure of the liquid, and a plurality of nozzles. The pressing raising device is connected to the liquid storage tank, and to a central rotating head through a first guiding pipeline. The nozzles are provided on the cutting disc, and are connected to the central rotating head through a second guiding pipeline.
Claims20
A tunnel boring apparatus, comprising a shield body (101) and a cutting disc (103) provided at a front portion of the shield body (101), characterized in that said shield assembly further comprises a high pressure liquid device, which comprises:
- a liquid storage tank (1) for storing a predetermined amount of liquid;
- a pressure raising device for increasing a pressure of said liquid, said pressing raising device connecting to said liquid storage tank (1), and connecting to a central rotating head (5) through a first guiding pipeline (4);
- and
- a plurality of nozzles (8) provided on said cutting disc (103), said nozzles connecting to said central rotating head (5) through a second guiding pipeline (6).
Dependencies are inferred from the claim text.