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Die Kellystange befindet sich am oberen Ende des Bohrstrangs und dient in erster Linie dazu, das Drehmoment zu übertragen und das Gesamtgewicht des Bohrstrangs zu tragen. Sie ist eine entscheidende Komponente für den stabilen Betrieb und das präzise Eindringen von Bohrausrüstungen in zahlreichen Bereichen, darunter Ölbohrungen, Fundamentbohrungen im Bauwesen und Bergbau. Dank der effizienten Drehmomentübertragung kann der Bohrmeißel verschiedene Boden- und Gesteinsformationen durchdringen und so einen reibungslosen Ablauf der Bohrarbeiten gewährleisten.
The RJP-3.0 Method realizes real-time monitoring and regulation of construction parameters through the jet drilling real-time measurement system, addressing the drawback of lacking key parameters in traditional jet grouting technology. It can simultaneously acquire basic parameters such as nozzle holder lifting speed, rotation speed, nozzle diameter and quantity, air pressure, slurry flow rate, and pump outlet pressure. It achieves real-time drilling deviation monitoring and dynamic collection of downhole pressure inside and outside the drill pipe, assists in analyzing the actual kinetic energy of the slurry and inferring the pile diameter, and forms a closed-loop control system by integrating post-construction deviation data. This significantly improves the preparation accuracy of the soil-cement mixture and construction reliability.
USA powerful Cummins engine；
GB certification and EU EN 16228 standard certification；
The multi-stage vibration reduction design of the power head results in better vibration reduction；
Strong rotary braking performance；
New generation electronic control platform.
The KR125A single-load transportation fully hydraulic rotary drilling rig is a high-efficiency, safe, and convenient foundation equipment. It is designed to switch rapidly from transport state to working state, equipped with a high-performance hydraulic and intelligent control system to ensure efficient construction and real-time monitoring. Certified by GB and EU EN16228 standards, the KR125A guarantees excellent dynamic and static stability, making it suitable for a wide range of foundation engineering projects.
HPT-28 is a horizontal specialized drilling rig developed by APIE, suitable for horizontal pipe shield operations jet grouting construction. The HPT-28 rig adopts a dual power design, which can use a 12-meter drilling rods, and can achieve a 100-meter drill through a rod loader.
Deep Soil Mixing (DSM) rigs use rotating shafts with cutting tools to blend soil with binders, creating stronger ground.
- 1. November 2023
