Temporary supporting device for roadway drifting
A temporary support and roadway technology, applied in mine roof support, mining equipment, earthwork drilling and mining, etc., can solve the problems of time-consuming, laborious, unsafe, unable to adapt to the change of roadway roof, etc., and achieve the effect of simple and flexible structure
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[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0014] see figure 1 , figure 2 , image 3 and Figure 4 , in this embodiment, the upper end of the vertical beam in the middle of the front and rear beams of the top beam frame 9 is fixedly connected with the support middle plate 13, and the left and right sides of the support middle plate 13 are respectively provided with two support side plates 11, and the support Between the middle protection plate 13 and the support side plate 11 and between each support side plate, the lower side is hinged. The lower front and rear ends of the support side plate 11 are provided with a link mechanism 10, and the link mechanism 10 is hinged with the front and rear beams of the top beam frame 9. The left and right ends of the bottom of the vertical beam below the middle part of the top beam frame 9 are respectively hinged with a slant brace oil cylinder...
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