Fully Hydraulic Crawler Top Drive Drilling Rig

Jining Tongzhao Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of fully hydraulic crawler top drive drilling rig in China. If you're going to wholesale durable fully hydraulic crawler top drive drilling rig made in China, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.

The Fully Hydraulic Crawler Top Drive Drilling Rig is not a machine that operates by "hammering";
It is a robust and reliable performer featuring a full-hydraulic system, direct top-drive rotation, and a completely chain-free design.
With minimal breakdowns, smooth operation, and precise hole alignment, its superior performance is best appreciated by those who use it.
Ideal applications include: highway slope anchoring, foundation treatment, photovoltaic piling in gravel strata, and drilling projects requiring a high degree of verticality.

Pneumatic rigs operate by "hammering," whereas fully hydraulic rigs operate by a combination of "rotating" and "pressing"-resulting in smoother, more stable, and more trouble-free operation.
The defining feature of this Fully Hydraulic Crawler Top Drive Drilling Rig is its complete absence of chain-driven components; every movement is powered exclusively by hydraulic fluid. The top-drive power head directly rotates the drill pipe, ensuring no slippage, no skipped teeth, and no jammed chains.

The primary difference compared to standard mechanically driven rigs: It is fully hydraulic and chain-free.

 

Top-Drive Power Head: Positioned at the very top of the rig, the power head directly rotates the drill pipe. Torque is transmitted without passing through any gearboxes or chains, ensuring high efficiency and fewer mechanical failures.

Dual Hydraulic Motors + Five-Star Motor: Two motors work in tandem to deliver high torque at low speeds, enabling effective drilling through everything from soft soil to hard rock.

Flow Rate: 80–158 L/min: The hydraulic system provides ample flow, allowing for infinitely variable speed control-whether you require gentle, precise movements or aggressive, high-power drilling.

Hydraulic Oil Pressure: 20 MPa: Neither too high nor too low-this pressure level is sufficient for the task while remaining safe, significantly reducing the risk of hydraulic hose ruptures.

Hydraulic Motor Pressurization System: Delivers uniform downward pressure, avoiding the jerky, intermittent motion often associated with standard hydraulic cylinders.

What exactly makes a fully hydraulic top-drive system so superior?

 

Chain-Free Design: No skipped teeth, no broken chains. Unlike mechanical drive systems where chains can loosen, skip, or snap over time, the fully hydraulic design completely eliminates these common issues.

Top-Drive Structure: Ensures superior hole alignment. With the power head positioned at the top, the drill pipe maintains excellent verticality, resulting in perfectly straight, non-deviated boreholes.

Silky-Smooth Operation: Accessible even to beginners. The hydraulic system offers stepless speed adjustment-allowing you to instantly switch between fast and slow speeds-without the rigid, abrupt transitions typical of mechanical gear shifting. 360° Undercarriage

Rotation + 1-Meter Internal-Gear Slewing Bearing: The chassis remains stationary while the entire upper structure rotates freely-no need to execute a U-turn in confined job sites.

Dual Electronic Cooling System: No Overheating Issues. Work continuously all day long, and the hydraulic oil temperature remains perfectly stable; summer heat won't cause any work stoppages.

Mining Operations: Drilling blast holes and ventilation shafts in hard rock formations; features powerful full-hydraulic drive and rapid drilling speeds.
Foundation Engineering: Drilling holes for building foundations and bridge piers (diameters ranging from 300mm to 500mm, depths up to 3 meters-customization available); meets the requirements of most foundation projects.
Tunneling Projects: Drilling anchor bolt holes and drainage holes in tunnel walls; features a highly stable chassis capable of operating effectively even on steep slopes.

Location: A highway slope stabilization site characterized by loose gravel and weathered rock.
The Problem: A chain-driven drilling rig previously used on-site suffered from constant chain breakages and sprocket skipping-a source of endless frustration.
The Solution: The *Fully Hydraulic Crawler Top Drive Drilling Rig* was brought in. After a full week of operation-the chains? It doesn't have any chains.

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