The knowledge of Self drilling rock bolt

Self drilling rock bolt combines with drill, rod body, fastening device, accessory device four parts.Drill section has two functions: drilling and anchoring.Rod body part has three purposes: one is the purpose of drill pipe when drilling, and second is to anchor the prominent anchor role after anchoring , and the third is used as grouting pipe when grouting reinforcement.Fastening device plays the role of preload bolt after proactive supporting.

Since the self drilling rock bolt support technology, can be used to solve under the condition of high stress soft rock support failure caused by bottom insufficient floor support strength, solve the problem of control plate deformation, improve the conditions of roadway support.

In a word, self drilling rock bolt is a kind of rock bolt that is highly efficient and widely used in engineering.

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