SERIE OTR680D OTR HYDRAULIC DRILLING RIG MACHINE

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OTR680D:
①. Base: CAT 329D(HHP)
②. Max pile diameter (mm): 1800
③. Max pile depth (m): 60
④. Engine: CAT C7 ACERT 187KW
⑤. Maximum nominal torque (kNm): 200
⑥. Undercarriage with expandable (mm): 3000-4300


A drilling rig is a machine which creates holes in the earth sub-surface. Drilling rigs can be massive structures housing equipment used to drill water wells, oil wells, or natural gas extraction wells, or they can be small enough to be moved manually by one person and are called augers. Drilling rigs can sample sub-surface mineral deposits, test rock, soil and groundwater physical properties, and also can be used to install sub-surface fabrications, such as underground utilities, instrumentation, tunnels or wells. Drilling rigs can be mobile equipment mounted on trucks, tracks or trailers, or more permanent land or marine-based structures (such as oil platforms, commonly called 'offshore oil rigs' even if they don't contain a drilling rig). The term "rig" therefore generally refers to the complex of equipment that is used to penetrate the surface of the Earth's crust.

 

Small to medium-sized drilling rigs are mobile, such as those used in mineral exploration drilling, blast-hole, water wells and environmental investigations. Larger rigs are capable of drilling through thousands of metres of the Earth's crust, using large "mud pumps" to circulate drilling mud (slurry) through the drill bit and up the casing annulus, for cooling and removing the "cuttings" while a well is drilled. Hoists in the rig can lift hundreds of tons of pipe. Other equipment can force acid or sand into reservoirs to facilitate extraction of the oil or natural gas; and in remote locations there can be permanent living accommodation and catering for crews (which may be more than a hundred). Marine rigs may operate thousands of miles distant from the supply base with infrequent crew rotation or cycle.

 

 

1. Adopts the complete OEM Caterpillar retractable-crawler dedicated chasis,Its telescopic scope between the two crawler ends extends from 3000mm(at transportation) to 4400mm(at work). Undercarriage with expandable and removable tracks by means of hydraulic cylinders, guarantee exception stabbility in any type of ground. It has considerable traction force which allows easy movement even in the most difficult job sites.
2.Takes international top CAT Diesel engine with electric injection, turbocharged and air inter-cooling system. It is high reliability, fuel economy and power reserves. Emissions meet standard EPAC-Ⅲ.
3.The winches are positioned in the lower part of the mast, in front of the cabin, so that the operator can constantly check the proper operation. Thanks to the fact that the cable moves parallely to the mast, flection is not created on the upper part of the mast and operating life of the cable is therefore much longer. Tail positioned winch is available for heavy-duty type.
4.New design parallelogram system, computer optimized design and simplified pin connection system featured with nice appearance, great driving force and good stability, especially shaped to fit crowd system, allowing working radius adjustment always maintaining the mast in vertical position. The parallelogram system is easily for convenient transform between transportation and working conditions.
5.Self-erecting mast, high level anti-shock technology and high-strenth material steel attribute to that max torque can be applied all over the mast length. Multipurpose design for cylinder crowed system. Sensor and control center realize real-time measurement of the inclination angle, auto adjustment of mast verticality and inching adjustment.
6.Crowd system by means of long stroke hydraulic cylinder or crowd winch separately, are option for your exact request.
7.Rotary head with variable displacement motors and one high spin off speed. And rotary is extremely reliable, it has been disgned in order to gurantee a very compact, efficient and powerful rotary. The transmission group of rotary is made up of a hydraulic motor and new power shift purposely studied and designed to obtain maximum perfomance. During the drilling phase, the rotary has the entire power of the diesel at its complete disposal. Adapter of rotary is essential to absorb the considerable shock connected to the high speed of the main winch.
8.Telescopic kelly bar with guide made by high quality specially for high boring strength and torque force. Available with friction or inter-locking type.
9. All the main hydraulic components(pumps, valve, motor, connector) are from well-known international brands such as Bosch-Rexroth, brevini, which ensure the stability, reliability, high-efficiency and energy-saving of the entire system
10.Electronic controlling system is an innovative system, developed by Osaint, which controls and monitors the operation of the machines. For ease of operation, the system is controlled by a touch screen located in the cab. The system function is to enable the machines to perform different functions more efficiently. A dedicated power module electronic control and CAN-Bus system ensures the main pumps and Disel engine to work at their most effective and productive stages.


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Q:Can the auger drill be drilled into the two - longest granite of the 1200kp?
Depends on the power of the machine
Q:What's the difference between a long auger and a rotary drill?
1., first of all, the cost of machinery, screw digging more expensive than the long spiral.2. construction methods are not the same.3. long spiral diameter generally below 1 meters, 400mm, 500mm, 600mm more, common drilling depth is generally within 15 meters, -32 meters. More than 1 meters in diameter, you have to use rotary digging or other.4. long spiral applies to high-speed rail foundation construction, civil construction, rotary excavation in relatively large diameter foundation construction, such as bridge foundation construction is more common.
Q:How can the rotary drilling rig not be pulled out of the ground?
It is better to use Jack jacking up method, that is, the jacking foundation of Jack shall be made next to the pile hole before using a jack so as to prevent the foundation from sinking. There is also a thorough method, that is, excavation method, because the pile hole is not very deep, but it entirely depends on the geology, if the formation is not good, it is limited.
Q:The advantages and disadvantages of the rotary drilling rig and impact drilling machine used in the construction of bridge bored pile foundation
Most of the hard rock formations have little pile diameter and are mostly end bearing piles. Most of them are made of impact drilling. Some of them are excavated by hand, and the small hole is short. The majority of bridge piles are impacted. Encountered complex formations, the pile length is less than 40 meters, the most reliable is the use of impact drilling. A look at geology, two to see the quality, or positive and negative cycle drilling, good quality of the hole, steel dragon protection layer can guarantee
Q:Rotarydiggingmachine operating permit test how
Rotarydiggingmachine operating permit in the safety supervision department. Article thirty-eighth of the special equipment safety supervision regulations shall be used as the equipment in the plant, and the special equipment operation certificate shall be handled.
Q:What are the sizes and sizes of common drilling rigs?
Theoretically, how big holes are needed for construction, and how large the drill bits are. The common basic 200, one unit, 600800, and 160018001500 are also available... The big one is 25002800
Q:How should we deal with the abnormal encountered during the construction of rotary drilling and drilling?
Is a rotary drill hole construction process operation for building foundation engineering. Widely used in construction engineering to municipal infrastructure construction, highway bridges and high-rise buildings, with different tools, suitable for dry or wet (short spiral), (bucket) and rock (Yan Xinzuan) of the drilling operation, with large installed power, large output torque, axial pressure, flexible rotary drilling rig, high construction efficiency and function characteristics. To adapt to the soil geological conditions in most parts of the rotary drilling rig, the use of a wide range, can basically meet the needs of bridge construction, the use of high-rise building foundation engineering. At present, has been widely applied to various rotary drilling bored piles. Therefore, it is of great significance to make a technical discussion on the construction of the rotary drilling rig and the construction techniques of the commonly used clean water. During the construction, according to different geological conditions of soil, according to the following provisions: the choice of different bit short screw drill, suitable for underground water level above the clay, silt, soil, sand, medium dense above weathered rock. Core auger bit is suitable for crushed stone soil, medium hardness rock and weathered rock formation. Core rotary bucket, applicable to weathered rock and cracked rock.
Q:What is a rotary cast in place pile?
Engineering terminology, generally refers to the construction of rotary drilling machine pile type, the full name of rotary drilling pile, engineering referred to as rotary pile. Due to the use of mechanical work, the number of workers is not high, it can save a lot of labor costs.
Q:What happened to the black smoke from the exhaust pipe of the rotary drilling rig?
Check air intake is not enough, mainly empty, filter blockage, air flow meter, no damage, etc.
Q:Does the rotary drilling rig need mud?
Rotary drilling rig needs mud wall protection. Except in the middle weathered rock formations

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