LRL030DLB2020NNN3C2NFA6NPLBNNNNNN piston pump
LRL030DLB2020NNN3C2NFA6NPLBNNNNNN piston pump

- Product Details
- Applicable Scene
Tunnel boring machines (TBMs) are pivotal in modern underground construction, enabling the efficient excavation of tunnels for transport, utilities, and other infrastructure projects. Among the various components that determine the performance and effectiveness of a TBM, high-pressure pumps play a critical role. These pumps are essential for a range of functions, including hydraulic systems, muck removal, and cooling, which collectively contribute to the machine’s overall efficiency and operational reliability.
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One of the primary functions of high-pressure pumps in TBMs is to deliver hydraulic power to the various mechanisms of the machine. This hydraulic power is essential for operating the cutter head, which must slice through diverse geological conditions, from soft soils to hard rock. High-pressure hydraulic systems allow for better control and maneuverability of the TBM, enabling it to adapt to unexpected changes in the geological environment. By maintaining consistent pressure, these pumps ensure that the cutter head operates effectively and efficiently, thus minimizing downtime and enhancing productivity.
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Moreover, high-pressure pumps are instrumental in muck removal, which is the process of transporting excavated materials away from the tunnel face. Effective muck removal is crucial for maintaining the TBM’s performance and preventing backfill, which can lead to increased wear on the machine and slower excavation rates. High-pressure pumps can inject water or foam into the excavation area, reducing friction and allowing the muck to be transported more easily through conveyors or pipelines. This process not only speeds up excavation but also helps maintain a safer working environment for the operators.
Additionally, the cooling systems powered by high-pressure pumps are vital for maintaining operational temperatures within the TBM. As the cutter head operates at high speeds and pressures, it generates significant heat, which can lead to equipment failure if not adequately managed. High-pressure pumps circulate coolant through the machine, helping to dissipate heat away from critical components. This not only prolongs the lifespan of the TBM but also ensures consistent performance in a variety of conditions.

