1、

Compared with others, KD type hydraulic tap hole drill have many advantages such as compact structure, reliable performance and proper cooperate with hydraulic mud gun, so it have good applied prospects.

和其它类型的开口机比较,KD型转臂折叠式全液压开铁口机具有结构紧凑、工作可靠以及能和液压泥炮合理配合等优点,具有良好的应用前景。

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2、

Structure Design for Tapered Roller Bearing in Teeth Wheel Drill

牙轮钻圆锥滚子轴承的结构设计

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3、

A fastener with a tapered threaded shank and a slotted head. Finite element analysis of the screw structure of the drill-stem junction

由带螺纹的连杆和槽头组成的扣件。钻杆接头螺纹结构形式的有限元分析

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4、

according to the structure and operating principle of the jsl-30 drill rig, a drill parameter tester was developed especially for percussion drill.

结合JSL-30型钻机结构和工作原理,研制了适用于振动条件下的钻进参数检测系统。

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5、

finally it uses cfd software fluent on the simulation of swirling water jet, further analyzes the impact of drill structural parameters on the structural characteristics of swirling water jet and optimizes the drill structure.

最后运用CFD软件&Fluent对旋转水射流进行数值模拟,进一步分析钻头结构参数对旋转射流结构特性的影响,并对钻头的结构进行优化。

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6、

control valve is one of important parts of water hydraulic rock drill machine, mass, structure and moving distance of valve core not only have influence on impact frequency of piston, but also on efficiency of impact component of rock drill machine.

配流阀是水压凿岩机的重要部件,阀芯的质量、结构、运动行程直接影响冲击活塞的频率,同时也影响凿岩机冲击机构的效率。

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7、

In this paper, trial-manufacture and application of sandwich structure on diamond drill bit were studied.

采用 冷压 成型夹层和加灰(过渡层)热压烧结法制备了一种夹层结构金刚石钻头.

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8、

Based on the idea of the structure parametric design method, the parametric finite element model of drill chuck with complicated spiral surface character was established.

采用结构参数化设计方法建立了含有复杂螺旋曲面特征的钻夹头参数化有限元模型;

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9、

Overall plan, structure design, and application of clamper on hydraulic anchor drill MD-100 are introduced.

介绍了MD-100型全液压锚固工程钻机夹持器的方案设计、结构设计、应用情况。

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10、

Main body is separated from power pack, which will lighten the drill body, equipped with wheeled structure, easy moving.

主机与动力站分离,减轻了主机重量,且采用轮式装载结构,搬运方便。

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