Development and application of the full face-mechanized hydraulic outburst-prevention driller
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Introduce the full face-mechanized hydraulic outburst-prevention driller in Pingdingshan Coal Co., Ltd. independently developed by her. The machine can be used in the conditions, such as digging difficultly, digging slowly and digging light holes. The practice of 1 year shows that the machine has characteristics of simple structure, safety and reliability, convenient maintenance and high efficiency, and it is important value for use and promotion.Keywords:
Digging
Promotion (chess)
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Coal gas accident is the main threat to the safety production in coal mine,it needs a safe and efficient drilling equipment to detection and drainage in the gas area.At present,the equipments detect and drainage in underground coal mines are mainly fission rigs,which move time-consuming, and the efficiency of drilling is low.This paper introduces a new kind of full hydraulic drill car used in coal,it includes the integral design of the car, the structure layout, the drilling arm and the main parts of design ideas.The new drill carriage adopts the caterpillar vehicle structures,full hydraulic pressure drives,it can automatically change the drill rod, prevent bit-stuck device,can freely passage in the narrow roadway,arrived at the reservation of the drilling position and carries on the omni-directional drilling,it can meets various mine construction requirements, and it has a broad market prospect.
Directional Drilling
Measurement while drilling
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There are not automatic tools for wellhead in the origin design of a drilling rig.The automation of well drilling equipment develops with the development of modern well drilling technology.Mechanization and automation are important features of modern well drilling design.The application of grip in hydraulic or gas automatic rotate have solved the degree of tightness button of petroleum drilling tool.The application of double hydraulic little winch in model ZJ 15 drilling machine realizes the automation in lifting and loosing rig,and lessen the labor intensity of workers, and raise safe value in the produce.
Winch
Wellhead
Drilling rig
Labor intensity
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The fully mechanized coal face in the front must have a drill boring machine.First hit the eye backward road.Kick down the eye,drilling,pumping station,console,switches,cables,etc.,must withdraw behind the boring machine,heavy workload and high labor intensity,therefore,the need to study the tunneling machine to provide hydraulic power for the drilling work.In addition,procurement of drilling rigs ordered the body only when the other is not set,can reduce procurement costs.
Crusher
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This paper describes the full hydraulic power head-style slant-hole core drilling in the oil toward the construction,characteristics,daily use,maintenance,precautions and lack of hydraulic power for the whole head-type core drilling inclined holes in the metal mining construction promote the use and maintenance made some useful insights for colleagues refer to reference.
Drilling rig
Hydraulic head
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Crawler drill for coalmine is a new type hydraulic drill,which can greatly improve the working efficiency and reduce working strength.Take the example of ZDY4000BL crawler drill for coalmine,according to the form of present crawler travel system and considering the factors of environmental conditions and manufacturing cost,an effectual crawler travel hydraulic system is put forward for hydraulic drill,which can meet the travel requirement of crawler drill for coal mine.
Web crawler
Drill pipe
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The new GYD-20 full hydraulic drilling machine is mainly used for large diameter foundation construction and mine ventilation hole.This machine has been successfully used in the drilling for ventilation holes at a coal mine of Shenhua Group.
Foundation (evidence)
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The lightweight full hydraulic drive underground drill was designed,in view of the southwest low mining area coal seam thickness and the characteristics of the roadway is narrow. The whole drilladopted the host, pumping statio and control console three posturesdesign. The paper introduces the scheme design of the main body,hydraulic system and key parts of the drill. The application has proved that the drilling rig is a small weight,great capacity,high practicability of drilling machine, has the good market prospect.
Drill pipe
Drilling rig
Directional Drilling
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Tunnel(Lane) Road excavation technology has made significant progress in China, such as railwaytunnels, hydro-power culvert excavation, and metal mines mining, in which medium-hole blasting technology iscommonly used. This paper puts forward new requirements of the technical progress of the hydraulic rock drill-ing equipment that the blasting technology of rock excavation is increasingly spread at home and abroad. The pa-per conducts an in-depth research on the basic theory of the medium-hole hydraulic rock drilling equipment,and proposes a design theory of non-valve controlled hydraulic vibration system based on the optimal efficiency.The research will be able to effectively solve the difficulties in design theory for the medium-hole hydraulicdrilling equipment. The scientific design of the equipment has the highest energy efficiency and the optimal effi-ciency has been realized, which has the great significance for developing and improving the design theory andmanufacture of the rock drilling equipment.
Drilling and blasting
Culvert
Designtheory
Drill hole
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Analysis was made on the shortcomings of current drilling rig both in China and abroad,and according to the development direction of geological prospecting in China,HQY-500 full-hydraulic drilling machine was developed.The paper also introduced the drill in structure form,technical parameter,characteristic and production test in field.
Prospecting
Drilling rig
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Now, pneumatic rotary anchor roofbolter is widely used in the underground. Pneumatic rock driller is mainly operated in hard rock tunnel, but it often exists in the phenomenon of hard rock and soft rock sections alternately. The result is occured in the replacement of drilling rigs and drilling tools, to produce a great deal of inconvenience. This not only affects seriously anchorage operating speed, but also increases production costs and brings insecurities factors of replacing driller. This study analyzes the performance and parameters of traditional rock rigs & roofbolter. Mechanical Model is established on the basis of studying rock breaking mechanism. Drilling parameters are comprehensively evaluated. It is put forword of specific rotary-impact function of pneumatic anchor rock driller. On this basis, specific rotary-impact function of pneumatic anchor rock driller has been systematically studied.
Drilling rig
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