As a new type of tunnel construction tool，the three-arm drilling rig is widely used in excavation，anchor construction and auxiliary operation of highway，railway tunnel，underground cavern excavation and other large section construction projects. This paper mainly combines the engineering practice

Through the analysis of the mechanism of small excavator and rock drill, the advantages and disadvantages of the two and their correlation degree are found.Adding various auxiliary tools on the excavator can not only expand the application scope of the excavator, but also adapt to

Brand : EPIROC
Part No. : 3128259254
Description : Seal Kit
Use in : Boomer 281 , Boomer 281dh , Boomer 282 , Boomer K111 , Boomer S1d

The abnormality of high-temperature in the gear box was found while the model ZYYG170A hydraulic rock drill was used at a tunnel in Henan province. After analysis, technicians found the reason was the extremely small fit clearance between the bush and rotation chuck bushing. After the regulation

Because of the advantages of large diameter and high efficiency of drilling hole, the drilling machine is widely used in mining and construction. The essence of downhole drilling is that under the action of axial pressure, rock is broken by using two kinds of forces, impact and rotation. Finally

Based On The Application Of Three-Arm Rock Drilling Jumbo In High-Speed Railway Tunnel, This Paper Analyzes The Eきciency And Economy Of Three-Arm Rock Drilling Jumbo In Double-Track Tunnel.This Paper Briefly Compares The Advantages Of Three Arm Rock Drilling Jumbo In Technology

Rock drill is a precise component on the jumbo with complex structure. Its failure is accompanied by various reasons and high cost of parts replacement. Taking COP1238K rock drill as an example, starting from the working principle of rock drill, combined with the improper operation found

Brand : EPIROC
Part No. : 3128301235
Description : Cover
Use in : Boomer M2c , Boomer M2d , Boomer S1d , Boomer S2 , Simba H1257 , Simba S7d

The paper briefs the history and foundation course of the Epiroc, as well as the implications of Epiroc's logo. It focus on general information on hydraulic rock drills from Epiroc , their classification and statistics in recent years. The model of a hydraulic rock drills consists of 3 parts

The arm is the key working part of the drilling machine, and the reasonable structure of the arm has a great influence on the performance, cost and performance of the car. In this paper, the key technical parameters of the main boom of the drilling jumbo are compared, and combined with