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Truck-mounted drilling rig
Heavy-duty (above 80T) mobile workover rigs
* This kind of workover rigs are designed and manufactured in accordance with API Spec Q1、4F、7k、8C and technical standards of RP500，GB3826.1、GB3836.2 GB7258，SY5202 as well as“3C”compulsary standard.
* The whole rig structure is compact, highly integrated, and requires a small space for installation.
* The heavy-duty chassis are 8×6、10×8、12×8、14×8 constant- drive and self-propelled, equipped with hydraulic steering system and have a good capability of passage and cross country.
* A good and reasonable assembly of CATERPILLAR engine and ALLISON transmission box can supply a high driving efficiency and increase safe performance.
* Band brake or disc brake is applied for the main brake and the air disc brake/water brake or FDWS is used for auxiliary brake.
* The compound box for rotary table has a function of forward-reverse speed shift gears, which can be suitable for DP’s rotary operations. The anti-torque releasing device can be used to release the deformation energy of the DP safely.
* The mast is front –open type, with double- section structure, which can be telescoped, raised and extended hydraulically.
* The drill floor is twin-body telescopic type or with parallelogram structure, which is convenient for installation and transportation. The dimension and height of the drill floor can be designed according to the user’s requirements.
* Safety and inspection measures are strengthened under the guidance of the design concept of “Humanism Above All” to meet the requirements of HSE.
The main technical specification for heavy-duty (above 80T) mobile workover rigs
ZJ120
ZJ150
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