Home > Products > Kelly Bar > Construction Foundation Spare Parts Hydraulic Rotary Drilling Rig Combined-interlock Kelly Bar
Construction Foundation Spare Parts Hydraulic Rotary Drilling Rig Combined-interlock Kelly Bar
- 10000 Piece / Pieces per Month
- China
- T/T L/C
- 7 days
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Product Details
Condition | New | Application | Other |
Product Description
Construction Foundation Spare Parts Hydraulic Rotary Drilling Rig Combined - interlock Kelly Bar
Introduction
The Combined - interlock Kelly Bar is an essential spare part for hydraulic rotary drilling rigs in the construction foundation industry. Manufactured by Changsha Mingyi Machinery Equipment Co., Ltd., this product is brand new and designed to meet the high - performance requirements of modern construction projects.
Design and Structure
Interlocking Mechanism
The combined - interlock design of the Kelly Bar is its standout feature. The interlocking system ensures a tight and secure connection between different sections of the bar. This design not only enhances the overall stability of the drilling process but also allows for efficient torque transmission. The precision - engineered interlocks are made from high - strength materials, which can withstand the extreme forces and vibrations generated during drilling operations.
Tubular Structure
The Kelly Bar has a tubular structure that is both lightweight and strong. The tubes are carefully crafted to provide maximum rigidity while minimizing the overall weight of the bar. This is crucial as it allows the drilling rig to handle the Kelly Bar more easily, reducing energy consumption and increasing the efficiency of the drilling process. The tubular design also provides protection for the internal components of the bar, such as the hydraulic lines and the torque - transmitting elements.
Material and Durability
High - Quality Steel
This Kelly Bar is constructed from high - quality steel that has been heat - treated to enhance its strength and durability. The steel used can resist wear, corrosion, and impact, making it suitable for use in a variety of soil and rock conditions. Whether it is drilling in soft clay, hard rock, or sandy soil, the Kelly Bar can maintain its performance over an extended period.
Surface Treatment
In addition to the high - quality steel, the Kelly Bar undergoes a special surface treatment process. This treatment not only protects the bar from rust and corrosion but also reduces friction during the drilling process. A smooth surface finish ensures that the bar can move freely in the drilling hole, reducing the risk of jamming and improving the overall efficiency of the drilling operation.
Compatibility
Hydraulic Rotary Drilling Rigs
The Combined - interlock Kelly Bar is designed to be compatible with a wide range of hydraulic rotary drilling rigs. It can be easily integrated into different models of drilling rigs, providing a cost - effective solution for construction companies that need to replace or upgrade their existing Kelly Bars. The standardized connection interfaces ensure a seamless fit, allowing for quick installation and disassembly.
Drilling Accessories
This Kelly Bar can also work in conjunction with other drilling accessories, such as drill bits and casing oscillators. The compatibility with these accessories expands the functionality of the drilling rig, enabling it to perform a variety of drilling tasks, including pile foundation drilling, geotechnical exploration, and underground construction.
Performance and Efficiency
High Torque Transmission
One of the key performance indicators of the Kelly Bar is its ability to transmit high torque. The design of the interlocking system and the high - strength materials used ensure that the bar can transfer a large amount of torque from the drilling rig to the drill bit. This high - torque transmission allows for faster and more efficient drilling, especially in hard - to - drill formations.
Precision Drilling
The Kelly Bar is engineered to provide precise drilling control. The stability and rigidity of the bar ensure that the drill bit can maintain a straight and accurate drilling path. This is essential for construction projects that require high - precision pile foundations or underground structures. The precise drilling also reduces the need for re - drilling, saving time and resources.
Maintenance and Service
Easy Maintenance
The design of the Combined - interlock Kelly Bar makes it easy to maintain. The accessible components and the modular structure allow for quick inspection and replacement of parts. Regular maintenance, such as lubrication and cleaning, can be carried out with minimal downtime, ensuring that the drilling rig can operate continuously.
Technical Support
Changsha Mingyi Machinery Equipment Co., Ltd. provides comprehensive technical support for the Kelly Bar. Their team of experienced engineers can offer advice on installation, operation, and maintenance. In case of any problems, they can also provide timely replacement parts and on - site service to minimize the impact on the construction project.
In conclusion, the Construction Foundation Spare Parts Hydraulic Rotary Drilling Rig Combined - interlock Kelly Bar is a high - quality, reliable, and efficient product that is suitable for a wide range of construction foundation applications. Its advanced design, high - quality materials, and excellent performance make it an ideal choice for construction companies around the world.
Company Profile

Changsha Mingyi Machinery Equipment Co., Ltd. is a company engaged in the sales of molds, mechanical parts, and components. It was established on October 15, 2024 and is located in Hunan Province. The detailed address is 1917, Building 18, Contemporary Guangchang, No. 288 Kaiyuan East Road, Xingsha Street, Changsha County, Hunan Province; According to the National Enterprise Credit Information Publicity System, the credit code/tax number of Changsha Mingyi Machinery Equipment Co., Ltd. is 91430121MAE11TTXM, the legal representative is Zhu Yu'e, the registered capital is 500000 RMB, and the business scope of the enterprise is: licensed projects: commercial performances (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses), general projects: sales of metal materials; Mold sales; Sales of mechanical parts and components; Electronic product sales; Sales of mechanical equipment; Sales of specialized equipment for environmental protection; Sales of building materials; Sales of refrigeration and air conditioning equipment; Agricultural machinery leasing; Sales of construction machinery; Sales of agricultural machinery; Sales of specialized chemical products (excluding hazardous chemicals); Organize cultural and artistic exchange activities; Organize sports performance activities; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Engineering management services; Engineering and technical services (excluding planning management, survey, design, and supervision); Specialized equipment repair (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations)
Contact Us
- Changsha Mingyi Machinery Equipment Co., Ltd.
- Contact namezhu Chat Now
- Address1917, Building 18, Contemporary Square, No. 288 Kaiyuan East Road, Xingsha Street, Changsha County, Changsha, Hunan
Product Categories
Auger Bit | CFA Auger Drill Pipe | Core Barrel | Drilling Bucket |
Kelly Bar | Spare Part | Drill Rig Swivel |
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