Low coal seam coverture type hydraulic support
A technology of hydraulic support and thin coal seam, which is applied in mine roof support, mining equipment, earthwork drilling and mining, etc., and can solve the problems of messy and irregular layout of hydraulic pipelines and low mining height
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[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0013] A kind of thin coal seam cover type hydraulic support, such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5As shown, it includes a top beam 1 with an inner chamber, a shield beam 6 with an inner chamber, a base 11, two columns 2, a balance jack 7, a front connecting rod 9, a rear connecting rod 10, a moving jack 12 and manipulation Valve group 4; the left side of the top beam 1 is installed with a top beam side guard plate 3 that can be moved left and right; the inner cavity of the top beam 1 is installed with a side push jack 15.1, and the inner cavity of the top beam 1 has ribs 17 , the inner cavity of the top beam 1 is also equipped with a long top beam guide rod 16 and a short top beam guide rod 19. Sliding connection; the left end of the top beam long guide rod 16 is fixedly connected with the top beam side pushing j...
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