| Quantity: | |
|---|---|
Height-limit Piling Rigs are specialized construction machinery designed for piling operations in space-constrained environments where traditional rigs cannot operate. Featuring a compact design with reduced Working Height and Shipping Height, these rigs maintain exceptional drilling performance while adhering to height restrictions in urban areas, under bridges, near power lines, or in indoor construction sites. Equipped with Pressurized Drilling Mode and Interlocking Kelly Bar, Height-limit Piling Rigs deliver powerful torque and drilling depth, making them ideal for foundation work in high-speed rail, municipal construction, photovoltaic power stations, and civil engineering projects.
Our Height-limit Piling Rigs combine compact design with robust performance. The Drilling Mode—pressurized rotary drilling—ensures efficient penetration into diverse strata, including soil, clay, fill soil, silt, and formations with pebbles or gravel. The Chassis is engineered for stability and mobility, with adjustable width to navigate narrow job sites and a sturdy frame that supports heavy loads during drilling. The Mast Tilt function (lateral and forward tilt) allows precise alignment of pile holes, while the Hydraulic System delivers smooth, responsive control over drilling speed, pressure, and hoisting operations. The Engine—a water-cooled, turbocharged unit—provides reliable power with high torque output, ensuring consistent performance in demanding conditions. The rig’s Hoisting Capacity (main and auxiliary hoists) supports efficient lifting of drill tools and reinforcement materials, while the Maximum Walking Speed enables quick relocation between job sites, enhancing operational flexibility. Additionally, the rig’s Total Weight is optimized for transport, with compact Shipping Dimensions (length, width, height) that reduce logistics costs.
25m | 20m | |
Maximum output torque | 120KN.M | 100KN.M |
Maximum drilling diameter | 1200 MM | 1200MM |
Maximum drilling depth | 25M | 21M |
Chassis | 600mm | 600MM |
Drilling speed | 6-35 rpm | 6-35rpm |
Maximum pressure of the pressurized oil cylinder | 100KN | 80KN |
The maximum lifting force of the pressurized cylinder | 130KN | 100KN |
Maximum stroke of the pressurized oil cylinder | 2500mm | 2500MM |
The maximum lifting force of the main hoist | 150KN | 120KN (24MM) |
The maximum hoisting speed of the main hoist | 72 m/min | 45 m/min |
The maximum lifting force of the auxiliary hoist | 40KN (14mm steel wire rope) | 20KN (12MM) |
The maximum hoisting speed of the auxiliary hoist | 60 m/min | 50 m/min |
Lock rod length | 7.2 meters | |
Square head | 200*200mm | |
Mast tilt (lateral) | ±4° | ±4° |
Mast tilt (forward) | 4° | 4° |
The maximum working pressure of the hydraulic system | 28Mpa | 30MPA |
Leading pressure | 4 Mpa | 4 Mpa |
Maximum walking speed | 5km/h | 5km/h |
Working height | 12200mm | 12800mm |
Working status width | 2800mm （opened 3600mm） | 2600mm （opened3600mm） |
Shipping height | 3600mm | 3500mm |
Shipping width | 2800mm | 2600mm |
Shipping length | 10000mm | 10800mm |
Total weight | 29T | 23T |
Engine | QSB5.9-C210-30 | QSB5.9-C210-30 |
Form | Water-cooled, turbocharged | Water-cooled, turbocharged |
Power | ||
Torque |
Height-limit Piling Rigs are indispensable for projects in restricted spaces. They are widely used in high-speed rail construction for trestle piles and slope shield piles, where height restrictions near tracks or bridges are common. In municipal construction, they excel in urban areas for road construction, subway stations, and building foundations, operating under overhead power lines or low bridges. Photovoltaic power station foundation piles benefit from the rig’s compact design, allowing access to remote or space-limited solar farms. Additionally, the rig is used in civil construction, new rural construction, and landscaping projects for foundation work, retaining walls, and other structural elements. It is also ideal for mining infrastructure and environmental remediation projects where space is at a premium, delivering reliable piling performance without compromising on efficiency.
Their reduced Working Height and Shipping Height—combined with adjustable Working Status Width—allow operation in areas with height or space constraints (e.g., urban areas, under bridges, near power lines) where traditional rigs cannot fit.
Yes, these rigs are designed to drill through a wide range of strata, including soil, clay, fill soil, silt, and formations with pebbles or gravel, making them versatile for various construction projects.
Pressurized Drilling Mode applies downward pressure to the drill bit, enhancing penetration efficiency in dense or compact formations. This results in faster drilling speeds, deeper drilling depth, and more consistent pile quality.
The rigs offer a Maximum Walking Speed for quick on-site relocation, compact Shipping Dimensions for easy transport, and an adjustable chassis width for navigating narrow job sites, ensuring flexibility and cost-effectiveness.
