Explore our highly integrated core machinery and accessories designed for demanding geological formations.
In modern deep foundation engineering, the pull down winch (or crowd winch system) plays an irreplaceable role in driving the rotary tool down through highly consolidated rock, gravel, and stiff clay formations. Unlike standard gravity-fed methods, pull down systems apply active downward hydraulic force (crowd force) coupled with rotary torque to advance the borehole rapidly and accurately.
For large-scale rotary drilling rigs, such as the TR400 and TR600H, selecting the right crowd technology is crucial. Piling engineers typically weigh two major architectures: Cylinder Pull Down Systems vs. Winch Pull Down Systems. While cylinders offer extreme, concentrated forces for shorter strokes, a winch-driven system excels in continuous deep-hole applications. By utilizing high-tensile wire ropes and smart hydraulic synchronization, pull-down winches deliver continuous crowd force across the entire height of the mast, dramatically speeding up cycles with telescopic friction or interlocking Kelly bars.
Winch pull down configurations are highly favored for deep-pile applications where a cylinder stroke limit would necessitate multiple positioning resets. They offer a constant force throughout the drilling stroke, reducing non-productive cycle times and allowing seamless transition to CFA (Continuous Flight Auger) setups.
SINOVO Group is a professional supplier of construction machinery equipment and construction solutions. We are engaged in the field of construction machinery, exploration equipment, import and export product agencies, and construction scheme consulting, proudly serving the world's construction machinery and exploration industry suppliers.
As early as the early 1990s, the backbone members of our company were already serving in the field of construction machinery. After more than 20 years of development and innovation, the company has established long-term strategic alliances with many top global equipment manufacturers and famous equipment manufacturers in China, winning numerous awards in China's engineering machinery and equipment export projects over the years.
Over two decades of engineering breakthrough and market presence across Southeast Asia, the Middle East, and Africa.
Core engineers and founders enter the construction machinery and exploration market, specializing in mechanical hydraulic systems and structural designs.
Established TEG FAR EAST in Singapore, streamlining supply chains and specialized engineering consulting for the growing ASEAN piling market.
Invested 120 million RMB in the Hebei Xianghe Emerging Industry Demonstration Zone (covering 67 mu), localizing raw materials close to Tianjin port.
Serving 120+ countries with custom electronic hydraulic control units, mud desanders, and specialized anchor drilling systems.
Our strategically integrated manufacturing center in the Hebei Xianghe Demonstration zone enables robust quality control and fast logistics. Being within 100 kilometers of the major ocean gateway, Tianjin Port, dramatically lowers transport overheads and shortens shipping schedules to Europe, Southeast Asia, and the Americas.
By housing advanced fabrication, welding, and assembly lines under a unified ecosystem, Sinovo Heavy Industry controls production inputs from raw steel to complex electronic hydraulic components. Our proprietary designs in electronic-hydraulic drive logic allow our rotary drilling machines to stand on par with European configurations, yet remain competitive and cost-efficient for global contractors.
All products have successfully obtained ISO9001:2015, CE, and GOST (TR) certifications. Our piling machinery commands the leading Chinese market share in the Southeast Asian region, while cementing a reliable reputation as a key supplier for geological exploration initiatives in Africa.
Discover our specialized line-up of heavy piling, anchor, and exploration drill rigs built to withstand extreme environments.
The SK666 Micro Pile Drilling Rig is a versatile engineering drilling machine that combines high efficiency, flexibility, and stability. It is specifically designed for large-diameter, high-precision drilling operations. Widely used in micro pile, photovoltaic hole, anchor bolt hole, casing hole, and blasting hole construction, it offers excellent geological adaptability and operational convenience, significantly enhancing construction efficiency and hole quality.
Utilizing high-pressure hydraulic oil as its power source, this splitting machine applies advanced oblique wedge principles to generate splitting forces ranging from hundreds to thousands of tons. This industrial-grade equipment can effortlessly split massive boulders within seconds, efficiently separating hard ore from rock formations.
The TR60 rotary drilling rig is a new self-erecting rig that adopts advanced hydraulic load sensing technology and integrates cutting-edge electronic control systems. The structural and mechanical improvements render the machine simpler, more compact, and exceptionally user-friendly. Suitable for: drilling with telescopic friction or interlocking Kelly bar (standard) and CFA drilling applications (optional).
Engineered for multi-purpose excavation and stabilization. Excellent performance for urban deep foundation pit support, soil nail wall support, and railway slope reinforcement. Ideal for pipe shed grouting and water-stop grouting in tunnel engineering, as well as rock blasting hole drilling for mines and hydropower dams.
Designed for soil stabilization, soft ground treatment, and leak prevention. It supports multi-tube vertical and horizontal construction, equipped with a 3-ton crane arm that significantly reduces operator labor intensity during casing handling.
Built upon a modified loader chassis, the ZF40 is engineered for small-diameter, shallow-depth foundation projects. This is highly suitable for installing utility poles, photovoltaic posts, and light anchor blocks.
A dual-use system utilizing water and gas. The SK800 serves multiple purposes, including anti-floating anchor rod installation, slope support anchoring, high-pressure jet spraying, tunnel grouting, and rock core drilling.
Equipped with a high-power top percussion head, the SK900 eliminates the need for external DTH hammers or large air compressors. Ideal for drilling through loose gravel, sand, and collapsing geological formations.
Designed for urban job sites, tunnels, and restricted spaces requiring a compact rig to drill hole diameters of 50-90mm. Extremely mobile and powerful for small-hole static rock explosions.
A heavy-duty mud-soil blending platform designed for deep foundation walls. Engineered with premium gear transmission systems to withstand continuous high torque under demanding deep pile mixing conditions.
| Specification | Parameter Details |
|---|---|
| Main Motor Power | 75 KW / Diameter Ø1200mm |
| Drilling Force | 460 KN |
| Rotating Speed | Forward 5-96 RPM / Reverse 5-90 RPM |
| Total Weight | 25,000 KG |
| Maximum Pile Depth | ≤ 28 M |
The evolution of piling machinery requires shifting from traditional mechanical operations to automated, electronic-hydraulic feedback controls. SINOVO Group is actively piloting smart winch tensioning systems that dynamically measure resistance during rotary drilling. By implementing closed-loop hydraulic systems with Rexroth pumps and specialized manifolds, we are able to minimize rope wear and prevent overlap errors.
Our R&D focuses on several key technological trajectories:
Proven reliability in sand, rock, clay, and marine environments across the world.
Crawler Crane in Bangladesh
Drilling Rig in Saudi Arabia
Rotary Drilling Rig in Singapore
Hydrostatic Machine in Bangladesh
Rotary Rig in Saudi Arabia (1)
Rotary Rig in Saudi Arabia (2)
Water Well Rig in DR Congo
TR180F Rotary Drilling Rig in Bangladesh
TR200D in Lebanon
TR250D Heavy Rotary Drilling Rig on Jobsite - Lebanon
As a long-established drilling rig manufacturer in China, SINOVO Group does business with reputation and word of mouth.
Every machine undergoes rigorous tests to ensure field performance and regulatory safety compliance.
Witness our modern 7,800 square meter fabrication floor, engineering testing facilities, and global expo presence.
Answers to common engineering queries regarding pull down winches, rotary piling, and procurement options.
Industrial-grade solutions for geotechnical exploration, rock excavation, and diaphragm wall engineering.
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