SERIE OTR820D OTR HYDRAULIC PILING RIG MACHINE

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Product Description:

OTR820D:
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
……More info  


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:How is the construction of rotary drilling and piling machine built on the floor?
Use the mud pump to bring out the earth which is drilled, form a pile hole, then lower the steel cage and pour the concrete.
Q:What kind of rotary drill rig is it?
This is a large rotary drilling rig. General 31, Xugong have production. The price is around 5 million. Small rotary drilling rig, Shandong, Tengzhou has produced, suitable for rural housing piling, cost-effective, about 300 thousand of the price. You can look down our strong product.
Q:What is the difference between bored pile and rotary pile?
The construction methods of mechanical drilling pile and rotary drilling pile are different.
Q:Attention problems of rotary drilling rig
Lubrication of Slewing Support racewayThe slewing support roller shall be filled with grease once every 100 hours. Under special working conditions, such as tropical, humidity, dust, temperature difference and continuous operation, the lubrication cycle should be shortened. A new grease must be added before and after the machine stops running for a long time. Grease the grease before injecting grease. Each lubrication must be filled with grease in the raceway until it oozes from the seal. When grease is injected, turn the slewing ring slowly.
Q:How can the drilling rod of rotary drilling rig be telescopic?
It extends in the first order, the next second, and then the third, the last, the fourth, and the fifth. During drilling, it is stretched by gravity and bit by bit with the drilling depth. Rotary drilling rig in the multi-functional areas to improve, and it is not necessary to complex conversion can be converted to another device, it is worth studying.
Q:What's the market for small rotary drilling rigs? Do house foundations pile well?
With the changes of the times, the small-sized rotary digging machines are more and more accepted by the market. But every industry has risks and needs to be cautious. A certain market awareness is needed, and blindness will be futile.
Q:How heavy is the 250 auger rig?
250 rotary excavation, weighing about 70-80 tons
Q:Rotary drilling rig is not a special equipment?
Pile construction machinery: in all kinds of pile foundation construction, used for drilling, piling, and piling machinery, collectively referred to as pile construction machinery. Generally, the piling machine is composed of two parts, the pile hammer and the pile support. In addition to the special pile stand, the pile rack can be arranged on the excavator or in the machine, and the piling task is completed. The main characteristics of pile construction machinery are its strong specificity and small batch production
Q:Do you need electricity for rotary drilling rig?
If you don't use electric drive, it depends on hydraulic oil
Q:How many times a day will the drilling machine be used?
Look at the actual situation, usually of rotary drilling rig, such as diameter 120cm length of 30 meters, the geological conditions in general, 1.5 to 2 hours to complete. You can calculate the amount of work done every day.

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