Quality Inspection for Borewell Hammer Bit - SNR800 Water Well Drilling Rig – Sinovo

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Quality Inspection for Borewell Hammer Bit - SNR800 Water Well Drilling Rig – Sinovo Detail:

Video

Optional
Rig operation by truck or trailer or crawler	Mast extension	Breakout cylinder	Air compressor
Centrifugal pump	Mud pump	Water pump	Foam pump
RC pump	Screw pump	Drill pipe box	Pipe loader arm
Opening clamp	Support jack extension

Technical Parameters

Item	Unit	SNR800
Max drilling depth	m	800
Drilling diameter	mm	105-550
Air pressure	Mpa	1.6-8
Air consumption	m³/min	16-96
Rod length	m	6
Rod diameter	mm	114
Main shaft pressure	T	8
Lifting force	T	43
Fast lifting speed	m/min	19
Fast forwarding speed	m/min	38
Max rotary torque	N.m	15000/7500
Max rotary speed	r/min	71/142
Big secondary winch lifting force	T	－
Small secondary winch lifting force	T	1.5
Jacks stroke	m	1.7
Drilling efficiency	m/h	10-35
Moving speed	Km/h	5
Uphill angle	°	21
Weight of the rig	T	17.5
Dimension	m	6.22.252.85
Working condition	Unconsolidated formation and Bedrock
Drilling method	Top drive hydraulic rotary and pushing, hammer or mud drilling
Suitable hammer	Medium and high air pressure series
Optional accessories	Mud pump, Gentrifugal pump, Generator, Foam pump

Optional
Rig operation by truck or trailer or crawler	Mast extension	Breakout cylinder	Air compressor
Centrifugal pump	Mud pump	Water pump	Foam pump
RC pump	Screw pump	Drill pipe box	Pipe loader arm
Opening clamp	Support jack extension

Product Introduction

SNR800 drilling rig is a kind of medium and high efficient full hydraulic multifunctional water well drill rig for drilling up to 800m and is used for water well, monitoring wells, engineering of ground-source heat pump air-conditioner, blasting hole, bolting and anchor cable, micro pile etc. Compactness and solidity are the main characteristics of the rig which is designed to work with several drilling method: reverse circulation by mud and by air, down the hole hammer drilling, conventional circulation. It can meet the drilling demand in different geological conditions and other vertical holes.

The drilling machine is driven by diesel engine, and rotary head is equipped with international brand low-speed and large-torque motor and gear reducer,feeding system is adopted with advanced motor -chain mechanism and adjusted by double speed. Rotating and feeding system are controlled by
hydraulic pilot control which can achieve step-less speed regulation. Breaking out and in drill rod, leveling the whole machine, winch and other auxiliary actions are controlled by hydraulic system. The structure of rig is designed to reasonable, which is easy to operate and maintenance.

Features and advantages

1. Full hydraulic control is convenient and flexible

The speed, torque, thrust axial pressure, reverse axial pressure, thrust speed and lifting speed of the drilling rig can be adjusted at any time to meet the requirements of different drilling conditions and different construction technologies.

2. Advantages of top drive rotary propulsion

It is convenient to take over and unload the drill pipe, shorten the auxiliary time, and is also conducive to follow-up drilling.

3. It can be used for multi-function drilling

All kinds of drilling techniques can be used on this kind of drilling machine, such as down the hole drilling, through air reverse circulation drilling, air lift reverse circulation drilling, cutting drilling, cone drilling, pipe following drilling, etc. The drilling machine can install mud pump, foam pump and generator according to the needs of users. The rig is also equipped with a variety of hoists to meet the different needs of customers.

4. High efficiency and low cost

Due to full hydraulic drive and top drive rotary propulsion, it is suitable for all kinds of drilling technology and drilling tools, with convenient and flexible control, fast drilling speed and short auxiliary time, so it has high operation efficiency. The down the hole hammer drilling technology is the main drilling technology of the drilling rig in the rock. The down the hole hammer drilling operation efficiency is high, and the single meter drilling cost is lower.

5. It can be equipped with high leg crawler chassis

Four hydraulic support jacks can level rapidly undercarriage to ensure the drilling accuracy. The support jack extension as optional can be easy to make the rig load and unload on truck as Self-loading by itself, which save more transportation cost

6.Use of oil mist eliminator

Efficient and durable oil mist device and oil mist pump. In the process of drilling, the high-speed running impactor is lubricated all the time to extend its service life to a greater extent.

7. The positive and negative axial pressure can be adjusted

The best impact efficiency of all kinds of impactors has its best matching axial pressure and speed. In the process of drilling, with the increasing number of drill pipes, the axial pressure on the impactor is also increasing. Therefore, in the construction, the positive and negative axial pressure valves can be adjusted to ensure that the impactor can obtain more matching axial pressure. At this time, the impact efficiency is higher.

8. Optional rig chassis

The rig can be mounted on crawler chassis, truck chassis or trailer chassis.