SERIE OTR400D OTR HYDRAULIC PILING RIG MACHINE

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OTR400D:

 

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. 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


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:What is the drilling speed of rotary drilling machine?
If you want to set a constant need for advance, the principle of servo rotary drilling, drilling efficiency and main pressure and bottom friction. It is no use adding pressure to the friction bar, which is only related to the critical value of the sliding friction force acting on the drill pipe. With this principle, torque and pressure servo can be achieved. Achieve optimum drilling efficiency, especially in soft formations.
Q:How much is a drill bit?
The price depends on what kind of drill bits are used, such as spiral drill, bucket drill, open and close drill, rock core drill, etc.
Q:Xr220a rotary drilling machine drilling 2 meters hole can reach 80 meters, its maximum drilling depth is 80 meters, the maximum aperture is 2 meters.
You can see the instructions for the use of the machine, especially the geological conditions If the geological conditions are special, even if they can hit, the damage to the machine is also greater!
Q:How to ensure the verticality of rotary drilling rig
What time should I pay attention to?:1, drill mast verticality should be controlled within 0.2 degrees.2. The gap between the power head and the drill mast must not be too large.3. The center of the follow-up frame of the drill rod shall be in accordance with the center of the power head.4, not square drill pipe and drill pipe deflection.5, the lower protective cylinder should be vertical.6, bit square box and the central cone cannot skew.7, for the big changes in the bottom, it is recommended to use straight cylindrical bit.
Q:How much oil is used in the 31 rotary drilling rig?
Check for oil leakage; 4. Check the owner.
Q:What is a rotary cast in place pile?
For the good cohesive rock soil layer, dry or clear water drilling technology can be adopted, without mud wall protection. For loose and easy to collapse formations, or groundwater distribution, unstable wall, it is necessary to use static mud wall drilling technology, and put in protective wall slurry or stabilizing liquid into the hole.
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:Rotary drilling rig piling
Depth from 10 meters to 100 meters, generally 15 meters, 25 meters, 30 meters, 40 meters, 50 meters more. After the pile is made, the steel cage is down to the bottom once. If it is longer, it needs to be segmented, and the next section is welded again. One section until the bottom of a hole. Concrete from the cement tank car, a car, followed by irrigation until the design requirements.
Q:What brand is good for rotary drilling machine?
About aftermarket. CSR mainly rely on after-sales service and Caterpillar after-sales system. Zhonglian, 31, Xugong are their own aftermarket forces. Of course。 Many of the Carter chassis are Caterpillar's men. 31 aftermarket system in mid 2011 last year. Some relaxation. A lot of people ran (I was in Beijing). Many of my friends have gone, the specific reason seems to be 31 restructuring. So at this stage do not superstition 31 aftermarket. A lot of people are new people.
Q:What's the difference between rotary drilling rig and rotary drilling rig? What's the model?
Drill pipe: the drill pipe of the rotary rig is 3 meters per section, and the section of the rotary drilling rig is telescopic. It is in place

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