Small hard rock shield tunneling machine for mine
A roadheader and mine-used technology, which is applied in the field of small mining hard rock shield roadheaders, can solve problems affecting maintenance, poor operation safety, difficult, weak and broken strata, etc., and achieve the effect of protection safety and strong practicability
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[0028] according to Figure 1~8 The specific structure of the present invention will be described in detail. The small mining hard rock shield tunneling machine includes a front shield body 2 with a rotating cutter head 1 at the front end, and a bucket and several cutting tools 25 are arranged on the rotating cutter head 1 of the front shield body 2. The front shield body 2 is provided with a main driving device 20 for driving the rotating cutter head 1 to rotate. The main driving device 20 is an internal meshing bearing structure and is composed of a hydraulic motor, a reducer, a slewing support, a seal, and the like. The power for the rotation of the rotary cutter head 1 is provided by the main drive device 20. The hydraulic motor on the main drive device 20 drives the reducer, and the reducer transmits the power to the slewing support, which drives the rotary cutter head 1 to rotate; The hydraulic motors are arranged in four positions: up, down, left, and right. The front ...
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