SERIE OTR230D OTR HYDRAULIC PILING RIG

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Product Description:

OTR230D:
①. Base: CAT 336D
②. Max pile diameter (mm): 2200
③. Max pile depth (m): 67
④. Engine: CAT C9 ACERT 213KW
⑤. Maximum nominal torque (kNm): 248
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 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:What kind of rotary drill rig is it?
Yes, and now, Hunan has bought a Matlock
Q:The difference between rotary drilling machine and rotary machine.
Different drilling principle: rotating drill through the rotary drive pipe, and connected by drill bit cutting rock, rock chip cutting down the drain hole through the mud circulation; and the rotary drilling rig is through the first power driven drilling bucket digging, drilling bucket filled with soil after the hole dumping, this repeated cycle into the hole.
Q:Attention problems of rotary drilling rig
The rotary support first run 100 hours refer to, should check the bolt preload, after check every 500 hours of operation time, must keep enough preload force. Attention shall be paid to the operation of the slewing bearing in use. If the noise, shock and power suddenly increase, the utility model shall be stopped for inspection immediately, troubleshooting, and dismantling if necessary.The use of water is not allowed to directly wash the slewing bearing to prevent water from entering the raceway. Prevent hard foreign objects from approaching or entering the meshing area of teeth. To regularly check the integrity of the situation, if found sealed damaged should be replaced in good time. If it is found to fall off, it should be reset in time.
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:The rotary drilling drill bit rock weathering by what
According to the hardness of rock to select the drill bit, in general hardness, with stainless steel drill bit, especially hard case with diamond or graphite steel bit.
Q:What are the reasons for partial drilling of rotary drilling machine?
Geology: partial hole geology is the main reason, if the geological are loess layer, clay layer, so the hole will not appear error phenomenon, mostly by the geological changes, weathered rock, rock distribution and the drilling bucket uneven stress and the formation of.
Q:On the cleaning of rotary drilling rig
You don't give a penny to anyone. Who wants to tell you?. The concrete steps of clearing holes can be used in the construction method of Baidu rotary drilling rig.
Q:Working life of rotary drilling rig
Rotary excavation life with maintenance, operation, construction geology, pile diameter have a great relationship.Maintenance needless to say, a little common sense of all know.Operation is like adults with children, teach good, just do not learn well, it is waste.The quality of construction geology is also very critical. Just like the 60 year old man, called him one night and three young woman gas Wang ML, certainly fall apart!Pile diameter size and depth: for example, type 220 rotary excavation, the maximum theory is 2 meters 5, depth of 65 meters. But it's really hard to reach. The geology is good. 2 meters will be enough. If you really do 2 meters 5 of the pile, it is like a night can only do 3 times, I'm going to do 5 times, 7 times.
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.

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