The hydraulic system is the "blood vessel" of a second-hand rotary drilling rig, and its condition directly affects the performance and lifespan of the equipment. When inspecting the machine, grasping the key details can help quickly determine the true condition of the hydraulic system and avoid mak Read More

The performance condition of second-hand rotary drilling RIGS is closely related to the degree of wear and tear of key parts. A comprehensive inspection can effectively avoid the risks of purchasing the machine. The following six core parts need to be given special attention.1. Hydraulic system: Che Read More

The "working condition adaptability" of second-hand rotary drilling RIGS refers to the degree of matching between the equipment performance and the specific construction scenario. It directly determines whether the equipment can operate efficiently. If the compatibility is poor, even the cheapest eq Read More

In the field of construction engineering, rotary drilling RIGS are key equipment for pile foundation construction. Second-hand rotary drilling RIGS, with their high cost performance, have become a choice for many enterprises to reduce costs. Here are six core points to help you quickly grasp the key Read More

The drill pipe of a rotary drilling rig is the core component for transmitting torque and axial force. As two mainstream types, the machine lock rod and the friction rod have significant differences in structural design and applicable scenarios. Understanding the differences between the two can help Read More