SERIE OTR500D OTR HYDRAULIC PILING RIG MACHINE

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Product Description:

OTR500D:
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:Classification of rotary drilling machines?
Rotary drilling machine is a construction machine suitable for drilling operations in construction foundation engineering. Mainly suitable for sand, clay, silty soil layer construction of rotary drilling rig, widely used in pile continuous wall, foundation reinforcement and other foundation infrastructure construction, the rated power of rotary drilling rig is 125 ~ 450kW, the power output torque of 120 ~ 400kN / m, the maximum pore diameter up to 1.5 ~ 4m, the maximum hole depth is 60 ~ 90m, can meet the requirements of all kinds of large-scale infrastructure construction.
Q:On the cleaning of rotary drilling rig
Rotary drilling, which meet the design requirements when the rotary drill is a few laps and idling; after several hours of the cage and the catheter after the hole and some sediment, have to clean the hole, now called the two hole cleaning. However, with the development of science and technology, the popularization and application of new technologies and materials. With the new wall protecting liquid, not only the wall is well protected, but also the hole and the sediment behind the cage seldom meet the requirements, the two cleaning procedures can be omitted, and the pile forming speed is greatly improved. For example, we use the Montreal chemical mud in construction after the Zhengzhou Xinzheng Airport, nearly 70 meters of sediment pile placed for 2 days no more than 20 cm. It brings great convenience to the construction.
Q:Why should auger drilling be done by means of jump excavation?
According to the construction of regional geological conditions and construction requirements, the general pile drilling pile construction in the jump, has been filling into a pile of adjacent pile drilling bit, is to wait until the strength of concrete bored pile has reached more than 2.5MPa before drilling, to avoid the disturbance of bored pile adjacent construction.
Q:How high are auger rigs and impact drills?
Rotary drilling rig upright, 20 meters to 28 meters, the more high, about 3.5 meters high transport status.
Q:How can the rotary drilling rig not be pulled out of the ground?
What you describe is not very thin, but the long retaining cylinder, pumping, excavation, lifting (large crane or Jack) is a common method
Q:Is there a need to calculate the construction and transport of the mud pit separately in the budget of the pile driving pile?
Rotary 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:How many piles per day can the bored pile foundation be 400mm and the pile is 25 meters long?
1 、 impact drilling hole: adapt to relatively soft formation.2, rotating drilling hole: adapt to relatively hard strata or gravel layer, backfill and other complex geological conditions.3. Hole drilling of casing drilling machine: it is suitable for stratum with flowing sand and underground water.4. Drilling by rotary drilling machine5. Drilling under karst geological conditions6, reinforced cage, concrete7 、 deepwater drilling pile fixed platform
Q:What material steel pipe do the drill pipe use?
API standard E75 to S135 steel grade, outside diameter from 2 3/8 to 6 5/8 series of oil drilling rod and high torque resistance of double shoulder joint drill pipe and BNK C95S drill rod for special steel grade used in sour oil well. It is mainly suitable for the construction of deep well, horizontal well and large displacement well during the exploration and development of oil and gas.
Q:Hole drilling price of rotary drilling machine
The geological conditions of deep hole depth into the empty aperture method whether it contains steel cage contains reinforced cage contains concrete auxiliary equipment whether party a gas station how to calculate the construction of reasonable charge pile head break
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?
About partial holes, holes in the deeper, the probability of partial hole is bigger, so the rotary drilling rig is generally shallow excavation, not many partial holes, and the spiral drill can generally be deep drilling, there are partial hole phenomenon, especially in the condition of non-uniform strata.

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