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: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 sizes and sizes of common drilling rigs?
Theoretically, how big holes are needed for construction, and how large the drill bits are. The common basic 200, one unit, 600800, and 160018001500 are also available... The big one is 25002800
Q:What are the reasons for partial drilling of rotary drilling machine?
Drilling bucket: the main function of drilling bucket is cutting and drilling, but it also has the function of guiding and preventing deviation. The pilot base drilling bucket with positioning function, at the same time the pilot pointed tip can be changed into order, and the number of teeth of the drill view is not common, the drill body on both sides of the knife or door bar height is not common, these details can make drilling bucket drilling about uniform stress and prevent error.
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:31 What about the performance of the auger rig?
The appearance and configuration with the domestic and foreign similar equipment, the overall performance of the domestic first-line manufacturers of equipment are similar, slightly higher than the overall performance of foreign equipment.
Q:Does the rotary drilling rig need mud?
Rotary drilling rig needs mud wall protection. Except in the middle weathered rock formations
Q:Are our common rotary drilling rigs the same as those for well drilling machines?
A dozen meters of drilling hole, is to drink water, drink water to break the stone, no stone rig also never mind, in Loess
Q:What bucket teeth are used in rotary drilling machines?
We use the site above alloy bucket tooth, tooth special rotary drilling rig alloy, durable many times more than ordinary tooth Oh, but the price is several times more expensive than ordinary, but together, but it is still very good, after all, little change in time, save a lot of trouble.
Q:Is the rotary drilling rig driven by electricity?
Each hydraulic motor of the redistribution works again. As for the power of rotary drilling, power generation is usually realized by the dynamo driven by the internal combustion engine. So. Generally, the rotary drilling rig I saw does not need an external power supply. But it is inconceivable that a bit of electricity can be found on the auger rig.
Q:What kinds of rock entry models are there in the 31 rotary drilling rigs? Request introduction!
The rock type, strictly speaking, SR250 above can be into the rock, but the real into the current mainstream rock drill rig or 31 SR280R and SR360 three generation, the future of C8 series rotary drilling rig SR285RC8, SR315RC8, SR385RC8 as the main push models will gradually replace SR280R and SR360.

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