SERIE OTR280D OTR HYDRAULIC PILING RIG

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OTR280D:
①. Base: CAT 336DL(HHP)
②. Max pile diameter (mm): 2200
③. Max pile depth (m): 85
④. Engine: CAT C9 ACERT 261KW
⑤. Maximum nominal torque (kNm): 280
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:The difference between rotary drilling machine and rotary machine.
The drill rod is different: the drilling rod of the rotary drilling rig is connected by a plurality of, while the rotary digging drill is usually provided with a telescopic drill rod.
Q:There are several brands of rotarydiggingmachine
Hitachi: Japanese brands, excavator sales is also very big, general can also assemble. (HITACH)Advantages: mechanical matching in general, hydraulic systems in general, flexible movements, generally durable, maintain value in general, the use of cost in general, fuel consumption in general, the strength of the middle, the price is about 3-5 cheaper than komatsu.Disadvantages: not durable, more, after two or three years of serious oil spill, mainly high water temperature or hydraulic system, the No. 20 machine for four missing engine, it is to increase the displacement of the lack of strength reduction, not dare to use, the general price of second-hand car.Kobelco: Japanese brands, sales of large, general can also be assembled. (KOBELCO)Advantages: down payment, fuel-efficient. Good color.Shortcomings; not strong, durable, four cylinder diesel engine overhaul after a very poor quality, only dry earth live, because does not have the strength, is certainly not good for put all sorts of things together.Volvo: good brand, big sales, good reputation, the overall good, assembled. (VOLVO)Advantages: good safety performance, luxury. Fuel efficient and fast.Disadvantages: Volvo new machine can be, but domestic serious, more fragile, not enough thick, two mobile phone price is low, not good sell.Doosan: Korean brand, integrated more moderate, imported machines are low grade products, assembled. (DOOSAN)Advantages: low price, -8 series low fuel consumption. All kinds of projects are available.Disadvantages: the product quality is lower than the average price, moderate price, moderate quality, and poor after-sale. Low inflation.
Q:The principle diagram of operating system rotarydiggingmachine
(1) rotary drilling rig is the soil dust into the drilling bucket by drill pipe and the drill bit rotation and gravity, the soil dust filled with drilling bucket, lifting drill unearthed, so by drilling bucket rotation, soil cut, lifting and unearthed, repeatedly into the hole. According to drilling technology, it is divided into casing drilling method and stable liquid wall drilling method without casing.(2) the rotary drilling rig is mainly composed of operating system, power system, running system and drilling system (guiding column, drill pipe, drilling barrel, long and short spiral rod). Its operating system is mainly controlled by computer and hydraulic transmission. The power system is provided by diesel engine to drill and walk power, and adopts caterpillar type walking system (usually modified by excavator walking system).
Q:What is the difference between bored pile and rotary pile?
The construction of bored pile is different from that of retaining wall, such as mud wall protection method and full pipe construction method, two kinds.
Q:XCMG XR360 rotary drilling rig generally how much?
5 million 700 thousand standard 508 drill pipe, section five 77 or four Mimo resistance pipe, section 62 meters machine lock, two optional one
Q:What kind of stratum is suitable for rotary digging pile?
Core auger bit is suitable for crushed stone soil, medium hardness rock and weathered rock formation. Core rotary bucket, applicable to weathered rock and cracked rock.
Q:Does the rotary drilling rig require a national issued operating permit?
Special equipment safety supervision regulations of the second mentioned in this Regulation refers to the special equipment safety and risk of large boilers, pressure vessels (including gas cylinders, the same below), pressure piping, elevator, crane, passenger ropeway, large recreation facilities and field (plant) in special vehicles.
Q:How many types of rotary drilling rigs should be used for entering ten meters of weathered sandstone in the rock?
The current domestic rotary drilling rig manufacturers and models are more well-known manufacturers are mainly ZOOMLION, 31 heavy machine, Xugong, CSR, Futian, Shanghai Kim, Tianjin sunward, Bauer, Wujiang geotechnical, Yutong, mainstream rock into the rotary drilling rig has 31 main SR280R into the rock rotary drilling rig, Zoomlion ZR280 360, Xugong, Bauer BG25 into the rock can be, but the price is not high, 31 C8 series rotary recently to participate in the 2014 Shanghai BMW exhibition drill SR285RC8/SR385RC8, is said to have ability to exceed the traditional rock entering into the rock type rotary drilling rig.
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 is the difference between punched pile and rotary pile?
Rotary pile generally refers to the pile type constructed by rotary drilling rig. It is called full blown bored pile, which is called rotary pile for short. Due to the use of mechanical work, the number of workers is not high, it can save a lot of labor costs

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