Extreme geological adaptability:
Adopting high-strength alloy cylinder and ceramic coating, it can withstand surrounding rock pressure of over 35MPa during tunnel excavation, and its wear resistance is increased by 40% in hard rock and water rich formations;
The sealing system adopts a composite structure of metal bellows and fluororubber, with a temperature resistance of -40 ℃~+120 ℃ and a waterproof rating of IP69K, suitable for humid and mud eroded environments in tunnels.
High precision synchronous control:
Integrated laser displacement sensor and electro-hydraulic servo valve, multi cylinder coordinated expansion and contraction synchronization error ≤ 1.5mm , ensuring millimeter level accuracy for shield machine tail sealing, pipe segment assembly and other operations;
Built in pressure compensation valve, which can maintain stable expansion and contraction speed even under complex geological pressure fluctuations.
Long lifespan and safety redundancy:
The surface of the piston rod is treated with ion nitriding , which improves its wear resistance by three times compared to traditional chrome plating, and has a service life of ≥ 120000 cycles;
Equipped with dual hydraulic control locks and mechanical locking devices, the locking error in case of sudden pressure loss is ≤ 0.8mm to prevent the mechanical arm from falling; The cylinder head is equipped with an over pressure protection valve to avoid the risk of cylinder explosion.
Intelligent monitoring and convenient maintenance:
External integrated pressure temperature displacement three in one sensor, real-time uploading of operational data to the construction management system, early warning of leaks, blockages and other faults;
Modular design reduces the replacement time of key components by 60%, adapting to the 24-hour continuous operation requirements of tunnel construction.
Anti vibration and lightweight design:
Adopting anti vibration hydraulic hose and flexible joint, capable of withstanding 50Hz, 30g acceleration vibration, reducing the impact of equipment operation on the oil cylinder;
Optimize the cylinder structure design, reduce the weight by 20% compared to the same parameter oil cylinder, lower the overall load of the machine, and improve the flexibility of mechanical movement.
