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Heavy large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face automatic control supporting equipment
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A fully-mechanized caving face and large mining height technology, which is applied to mining equipment, earthwork drilling, mine roof support, etc., can solve the problems that it is difficult to apply to the long-wall fully mechanized caving face with large inclination angle
Inactive Publication Date: 2013-01-16
CHINA COAL BEIJING COAL MINING MACHINERY
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[0003] The disadvantage of the above-mentioned prior art is that it is difficult to apply to the fully-mechanized caving face with large mining height, full protection and large dip angle.
Method used
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specific Embodiment approach
[0035] The preferred specific implementation of the heavy-duty, large mining height, fully protected and large dip angle longwall fully mechanized caving face automatic control support equipment of the present invention is as follows:
[0036] Including multiple brackets, there are multiple intermediate brackets on the working surface, 1 to 2 transition brackets and 2 to 4 head brackets are respectively arranged on both sides of the middle bracket, and 2 Up to 4 sets of advanced brackets, each group of advanced brackets includes two advanced brackets arranged side by side, and a set of end brackets is arranged at the position where the horizontal groove is aligned with the leading bracket and the longitudinal direction is aligned with the advanced bracket;
[0037] Described one group of end brackets comprises two end brackets arranged side by side, wherein the end brackets away from the working surface are provided with four rear columns, four middle columns, and two front col...
specific Embodiment
[0047] 1. Supporting equipment on the working surface, such as figure 1 shown, including:
[0048] Shearer: MG450 / 1020-WD;
[0049] Front and rear scraper machine: SGZ960 / 1400 scraper conveyor;
[0056] Header support: ZFP8800 / 20 / 36D head hydraulic support (extended product ZFG11000 / 18 / 35D);
[0057] End bracket: ZT20000 / 21 / 38 (1 set of 2 racks);
[0058] Advance support with upper and lower troughs: ZT8670 / 23 / 35 roadway support.
[0059] 2. Equipment application location:
[0060] Shenhua Ningxia Coal Group Zaoquan Coal Mine (extended product Shenhua Ningxia Coal Group Yangchangwan Coal Mine);
[0061] ...
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Abstract
The invention discloses heavy large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face automatic control supporting equipment. A plurality of middle brackets are arranged on a caving face; transition brackets and leader brackets are respectively and sequentially arranged at the both sides of the middle brackets; look-ahead brackets are respectively arranged inside an upper gateway and a lower gateway; a group of end head brackets are arranged at the part, which is transversely aligned to the leader brackets, of the lower gateway; an anti-falling device is connected between top beams of the two adjacent brackets; bracket turning devices are respectively connected between the front ends and back ends of bases of the two adjacent brackets; an inclined-draw anti-falling device is connected between the top beam of the bracket at the lower side and the base of the bracket at the upper side; a front roller anti-sliding device and a back roller anti-sliding device are respectively connected between the front ends and back ends of the bases of the brackets, and a front roller and a back roller; auxiliary pushing mechanisms are respectively arranged at one sides of the leader brackets and the bases of the end head brackets; rigid handrail and stepping boards among the brackets are arranged at the both sides of a side pavement inside the brackets; and a stretchable protection network is arranged between every two front stand posts of the brackets. According to the large-mining-height full-protection large-dip-angle long-wall fully mechanized caving face, the working resistance of the bracket is more than 7000 KN; the length applicable to the caving surface is more than 200 m; the inclination angle is more than 50 degree; and the thickness of a coal layer is more than 1.8 m.
Description
technical field [0001] The invention relates to a support device for a fully mechanized caving face, in particular to an automatic control support device for a heavy-duty, large mining height, full protection, and large dip angle long wall fully mechanized caving face. Background technique [0002] At present, the large-inclination working faces in underground coal mines are all short working faces, generally no more than 100-150 meters; the supporting parameters of large-inclination fully mechanized mining equipment are mostly SGZ800, and the working resistance does not exceed 6500KN. The greater the working resistance, the greater the weight of the support. The greater the sliding force, the greater the bending torque on the equipment, and the greater the difficulty of equipment design and anti-fall and anti-skid; the maximum angle of the application of the top-coal caving support with a large inclination angle does not exceed 48 degrees; Face support or working face plus ...
Claims
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Application Information
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