Upward heading machine main machine and upward heading machine
The utility model belongs to the technical field of tunneling equipment, and particularly provides an upward heading machine main machine and an upward heading machine. The upward heading machine main machine comprises a front shield and a rear shield, the rear shield is provided with a first thrust...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
14.05.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model belongs to the technical field of tunneling equipment, and particularly provides an upward heading machine main machine and an upward heading machine. The upward heading machine main machine comprises a front shield and a rear shield, the rear shield is provided with a first thrust oil cylinder and a stabilizer used for tightly supporting a tunnel wall, the first thrust oil cylinder is used for abutting against a pipe sheet when the stabilizer retracts to the rear shield so as to push the rear shield to be pushed upwards, and a second thrust oil cylinder is connected between the front shield and the rear shield. The two ends of the second propelling oil cylinder are connected with the front shield and the rear shield correspondingly, and the second propelling oil cylinder is used for propelling the front shield upwards when the stabilizer tightly supports the tunnel wall. The upward heading machine comprises the upward heading machine main machine. The propelling oil cylinder between the fro |
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Bibliography: | Application Number: CN202322431924U |