Municipal Pipeline Construction Machinery

EPB/TBM Dual-Mode Shield

EPB/TBM Dual-Mode Shield

- The product was independently developed by CRCHI with complete independent property rights.
- By applying pressure balance in the excavation cabin and pressure from the tunnel face and stratum, the product can adapt well to the stratum and is suitable for excavation in clay, silty clay, sand stratum, gravel stratum, rock stratum and other compound stratums.
- The design of articulated shield body enables adjustments of body posture while advancing.
- The product is equipped with imported main bearing, main drive sealing and main drive decelerator. It has large driving torque, long service life and high security.
- PLC control system realizes real-time online monitoring and data acquisition. 
- The laser guiding system has high precision and guarantees excavation go on smoothly.
Product series Pipe gallery shield machine
Type Type ZTJ6000 ZTJ7000
Matched segments Matched pipe joints 6000*4300/5000*3300mm 7000*5000/6000*4000mm
Excavation diameter Section size 6050*4350 mm 7060*5060mm
Total length
Advance distance Designed tunnel advance distance 300m
Min turning radius
Grade ability Relay system Optional
Designed life of main component s
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