Heading machine utilizing pressurized air to break rock and heading method of heading machine
A roadheader and rock-breaking technology, which is applied in earthwork drilling, mining equipment, tunnels, etc., can solve problems such as hob wear and replacement frequency, shield tunneling efficiency reduction, and abnormal damage to metal tools, so as to reduce excavation costs, The effect of reducing the risk of tool change and saving tool cost
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[0026] 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.
[0027] Such as Figure 1 to Figure 7 As shown, a roadheader that utilizes pressurized wind to break rock includes a main body of the roadheader, a cutterhead 301 is provided on the mainframe of the roadheader, and a pressurized wind generating device 2 is provided on the cutterhead 301 .
[0028] The pressurized wind generating device 2 includes a pressurized wind ejection nozzle 201 , and the pressurized air ejection nozzle 201 is arranged on the cutter head ...
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