SERIE OTR760D OTR HYDRAULIC PILING RIG MACHINE

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Product Description:

OTR760
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:Why not use rotary drilling rig instead of manual digging pile?
Rotary drilling rig deviation is too large, the basic holes are straight, and drill down to the following oblique error is great
Q:What are the differences and relations between machine, trenchless drilling rig, horizontal directional drilling machine and rotary drilling rig?,
Horizontal directional drilling machine belongs to trenchless drilling rig. Horizontal directional drilling rig is a trenchless pipeline laying equipment for communication, electric power, gas, tap water, rainwater, sewage, heat, chemical and other industries.
Q:Which is faster, the reverse circulation rig or the rotary drill?
The place is different. There is no comparability.The engineering process is different and the drilling rig model is different!
Q:What drills are used to drill the hard layer of the rotary drilling machine?
I want to know how thick and big the pebbles are in you. Strong, weak, weathered, with double door fishing sand drill (pick teeth) can
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 is the minimum drilling diameter of the Sany SR150C rotary drilling rig?
Sany's parent company, the 31 group, was founded in 1989 in Hunan, Lianyuan. The name of the company originated from the enterprise vision of "creating first-class enterprises, creating first-class talents and making first-class contribution". Over the years, 31 to "quality change the world" as the mission, is committed to the Chinese nation to contribute a world-class brand.
Q:Is there a need for slurry retaining wall for rotary drilling cast-in-place pile?
Dry rotary drilling, drilling, drilling into the hole do not need mud, there is water in the hole, it is easy to collapse. Therefore, dry rotary drilling does not require slurry wall protection. In the course of drilling, a wet mud wall is formed on the hole wall by drilling and extruding, and the mud is separated from the ground water.
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.
According to the technical parameters of XCMG XR220A, if the friction resistance type 6 section drill rod can drill 79 meters at maximum, the maximum aperture is 2 meters without bushing.
Q:How can we not drill the rod and drill the rod?
Common causes1. There is a foreign object between the sections of the drill pipe.2, pressure surface wear, curling.3. Bending or deformation of drill pipe.4, the drill scraping hole wall, machine lock rod part into the lock.5, inclined hole.
Q:Types of rotary drilling rig
The principle of choosing a rotary drilling rig should be to meet the major engineering requirements of the user and take into account the possible engineering requirements. Rotary drilling rig can be divided into three types according to its main working parameters: torque, engine power, drilling diameter, drilling depth and the quality of drilling rig:Torque 100kN = M. The power of the motor is 170kW, the drilling hole diameter is 0.5 to 1m, the drilling depth is about 40m, and the quality of the drilling machine is about 40T. Application market positioning of minicomputer:

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