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:Rotary drilling rig new steel rope appeared a strand of steel wire, what is the reason for the stock?
There is no wire rope live picture, it is difficult to analyze what causes it. It is possible that the multi strand resistant rotating steel wire rope has been separated from the inside and outside ply ropes, and it may also be the separation of the inner and outer ply ropes caused by the bending deformation. Cheap no good goods, good goods are not cheap, perhaps encountered inferior steel rope, and small steel rope factory may be an engineer also did not rely on cheap hit the market, the quality of worrying.
Q:What are the advantages and disadvantages of the construction of the bored pile with auger and rotary drilling? Another auger can drill 1800 diameter piles?
Suitable for a variety of spiral drilling geological layer, and the hole diameter can reach 3.5 meters (I did at the start of 90s); rotary drilling rig only for certain efficiency with gravel clay layer or work, but for the rock layer, sand layer is not; and rotary drilling rig can not drill deep hole (more than 30 meters deep is more difficult).
Q:What kind of hydraulic oil is used in XCMG XR220 rotary drilling rig?
The hydraulic oil is always fever, that is in the process of using hydraulic oil, because the parts wear or absorb moisture and particles from the air, so that the oil accumulation of fever and aging with wear particles, parts of these impurities will damage the piston rings, bearings, valves and machine oil, and the oil accelerated deterioration, reduce oil service life. In order to make the hydraulic system clean without heating, extended Huanyouzhouqi, reduce maintenance costs, so that the machine is durable, the best solution for loop filter in hydraulic system operation at the same time, in order to fundamentally improve the cleanliness of hydraulic oil, hydraulic oil is not easy to heat.
Q:Which is faster, the reverse circulation rig or the rotary drill?
To contrast, there is also a standard can be compared to, for example, how much aperture, deep
Q:What's the market for small rotary drilling rigs? Do house foundations pile well?
Consider a sincere advice, no risk, no initial fee, no double pressure, legal, product quality, product price is particularly cheap, consumption, product sales will accumulate more and more cheap, no worries about the network with the ground contacts, forever development business, WeChat can exchange
Q:What kinds of rock entry models are there in the 31 rotary drilling rigs? Request introduction!
31 rotary drilling machine mainly has the following several types: the traditional models are mainly SR150C, SR200C, SR220C, SR250, SR280R, SR280 two, SR360 three, SR420, SR4602014 31 new models: C8 series rotary drilling rig SR285RC8, SR315RC8, SR385RC8.
Q:What are the hidden dangers during the construction stage of rotary drilling rig?
The rotary drilling cast-in-place pile is also divided into dry hole, soil sampling rotary pile and reverse and reverse rotation pile
Q:The best domestic rotary drilling rig, steel wire rope manufacturer
At present, the domestic and foreign rotary drilling rigs are not equipped with moving pulleys, so the tension of the single rope of the steel wire rope is larger.
Q:Does the rotary drilling rig cycle with mud?
Montreal chemical is a new type of rotary drilling fluid mud wall construction, is the foundation of companies and research institutes to develop and promote the products. The product is instant and can be sprayed into the hole along the jet stream.
Q:What's the minimum cost of a rotary drill? How much is it?
According to the brand and the place of origin is not the same. The price is different. Pure imports are more expensive than imported drugs. Imports are more expensive to assemble than domestic ones. As far as ordinary strata are concerned. Domestic product is ok. If only the strata were rather complicated. Even imported rotary excavation. The price of the project department. You may not be able to do it.

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