On December 9, 2010, sponsored by China Coal Machinery Industry Association and China coal mine city development working committee, Shenyang North transportation Heavy Industry Group Co., Ltd. organiz
Do you know the structure of the anchor drill?Now let's tell you the mechanical action principle of the anchor rod in the drilling rig, which can be summarized as follows:Anchor suspension functio
The drilling of hydraulic anchor drilling machine adopts rotary drilling machine pressure water drilling method. Before drilling, the design, supervision, geology and construction units shall lay out
The following points should be paid attention to when applying the anchor cable and cast-in-place pile technology of soil anchor drilling rig1) Prestressed coating anchor cable has high requirements f
Roofbolter is used in foundation engineering, which can complete anchor construction, dry powder, mortar construction, various engineering survey holes, micro pile hole drilling, and can realize screw
So far, the anchor hole drilling equipment has been greatly improved. With the continuous development of technology and the difference of engineering requirements, the improvement should be continued
1. The anchoring engineering of hydropower, mine, dam body and road subgrade is mainly skid mounted light hydraulic anchor and drilling rig. The anchoring engineering of mine is mainly rock anchor, wh
Abstract: the supporting technology of deep foundation pit engineering is often encountered in the construction process of special soil road. Although it has obtained a lot of successful experience in
1. For the selection of hydraulic system oil, the hydraulic oil shall meet the following requirements:It should not contain steam, air and other impurities that are easy to gasify and produce gasifica
Construction machinery industry is expected to recover from major projects"Steady growth" ushered in the dawn for the depressed construction machinery industry. In just a few trading days, the constru