rock drill

New advance in noise control of Pneumatic rock drill

气动凿岩机噪声控制的最新进展

The construction design and the function test of the muffler for pneumatic rock drill

气动凿岩机消声罩的结构设计及性能测试

research and development of new kyb muffle of rock drill

新型KYB凿岩机消声器的研制与应用

So, it is necessary to develop an indoor automatic test and handling system for product quality of diesel rock drill that can not only raise working efficiency but also reduce the labour intensity of the workers.

野外逐台凿岩实测检验产品质量的方法已不能适应，因此，有必要研制一套室内产品质量自动检测与处理系统，既能提高效率，又能降低工人劳动强度。

The Design of Automatic Testing System for Pneumatic Rock Drill

气动凿岩机性能测试系统的研制

Diagonal cut rock drill plus bits cross-bladed chisel bit

对角十字形岩石钻头

Mini rock drill has been produced based on patented technology for rock drill warm extrusion.

采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头.

The Automatic Test and Handling System for Product Quality of Hand-held Diesel Rock Drill

手持式内燃凿岩机产品质量的自动检测与处理系统

By measuring the rock drill in the spoil ground and comparing the amount of soil erosion in slope of the temporary spoil ground and under natural conditions, it is erosion of about 6 times under natural conditions. 6.

临时弃土场测钎法的观测结果表明，临时弃土场边坡的土壤侵蚀量和自然条件下边坡的土壤侵蚀量相比，其侵蚀量约是自然条件下的6倍。

Failure Analysis of Expanding Pin on Hydraulic Rock Drill Rig

液压凿岩台车膨胀销的故障分析

The drill is strong enough to bore through solid rock.

这把钻足以钻透坚固的岩石。

Failure Analysis and Improvements of Spiral Nut of Pneumatic Rock Drill

气动凿岩机螺旋母失效分析及改进

An approach to design of a new independently-rotated valveless pneumatic rock drill

气动无阀独立回转凿岩机设计方法研究

The Testing Control System for Penumatic Rock Drill

气动凿岩机测试控制系统

The Noise Control of Pneumatic Rock Drill Stell

气动凿岩机钎杆噪声的控制

Analysis to the Noise Mechanism of the Pneumatic Rock drill and the Improvement

气动凿岩机噪声机理分析及改进

Through the shallow hardening treatment, the steel T8A can have better contact-fatigue resistance to the repeatedimpactload-test and can be used for making the piston of rock drill.

经薄层硬化的T8A钢，可以获得较好的多冲接触疲劳抗力，故有可能作为凿岩机活塞用材。

This drill can bore through rock.

这台凿岩机能钻透岩石.

The frame construction, the work flow and the three dimensional modelling method of pneumatic rock drill based on virtual prototype technology were elaborated.

阐述了气动凿岩机虚拟样机设计的框架结构、工作流程和三维模型构建方法，并在此基础上进行了参数化设计与运动仿真的研究。

Internal Combustion Rock Drill Stem Throttle Parts of Structure to Improved Operational

内燃凿岩机柄体部件油门操作机构的结构改进

The development of production of tools for rock drill in China and present domestic market condition of rock drill tools for hand held rock drills, tools for hydraulic rock drill vehicle, connected rod for pneumatic drill vehicle and tools for down-the-hole drill are summarized and analyzed.

概述和分析了我国凿岩钎具生产的发展和目前国内轻型凿岩机用钎具、液压凿岩钻车用钎具、气动采矿钻车用接杆钎杆以及潜孔凿岩钻具等市场情况。

Combined pipe tap and drill Pile Construction Technology with Dig, Clash and Bore Method in Rock Solute Ground

岩溶条件下的桩基采用挖、冲、钻相结合的施工技术

Discussion of Geometry Parameters of Button Bit Used in Pneumatic Rock Drill

风钻用Φ40mm球齿钎头几何结构参数探讨

Diagonal cut rock drill plus bits Cross recessed pan head screws

对角十字形岩石钻头GB/T818-1985十字槽盘头螺钉

The rock drill is indispensable for digging coal mines.

凿岩机是煤炭采掘不可缺少的工具.

Finally, based on the theories and methods presented, a new independently-rotated valveless pneumatic rock drill was designed.

最后，以本文提供的理论与方法，设计出了一台新型无阀气动独立回转凿岩机。

This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.

对气动凿岩机钎杆产生的噪声特性进行了分析研究，介绍了钎杆噪声的治理方法。

Disassamble the rock drill and inspect the wear, replace worn part.

拆开冲击器,检查磨损情况, 更换磨损件.

This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.

利用阻抗消声原理为气动凿岩机设计了一种新型的消声罩。