Composite cutterhead device suitable for hard rock crushing and using method of composite cutterhead device
A composite knife and hard rock technology, applied in mining equipment, earth-moving drilling, cutting machinery, etc., can solve the problems of long operation switching time, low work efficiency, low coal mining efficiency, etc., to save layout space, improve Operation efficiency and the effect of meeting the needs of rock breaking
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[0030] 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.
[0031] Such as Figure 1 to Figure 5 As shown, this embodiment provides a composite cutter head device suitable for hard rock crushing, including a PDC drill bit body 1, a hydraulic telescopic device 4, a TBM cutter head 2 and a TBM cutter body 3; the TBM cutter head 2 is arranged on the TBM At the end of the cutter body 3, the hydraulic telescopic device 4 is fixed inside the TBM cutter body 3, and the telescopic end of the hydraulic telescopic device 4 can s...
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