Shield machines with cylinder diameters ranging from 2.5 to 17.45 meters or even larger
Crusher oil cylinder
Function:
Clamp the crushing pliers to ensure that large chunks of gravel and cobbles are crushed before entering the discharge opening
Specifications:
Cylinder diameter ranging from 160mm to 330mm
Rod diameter ranging from 110mm to 230mm
Travel range: 200mm~850mm
Oil pressure 35MPa
We can design and produce various specifications of crusher oil cylinders according to customer requirements
Counter-torque cylinder
Function:
Transmit the torque when the cutter head rotates
Specifications:
Cylinder diameter: 330mm to 570mm
Rod diameter ranging from 260mm to 530mm
Stroke length: 120mm~160mm
Stress
Generally, it can reach 35MPa
It can reach a maximum of 42MPa
Assembly machine lifting cylinder
Function:
Transport the segments to the designated location and assemble them into a ring
Specifications:
Cylinder diameter 130mm~240mm
Rod diameter: 80mm~140mm
Stroke: 1000mm~2800mm
Oil pressure 25MPa
Generally, it is a two-level structure
The internal small oil cylinder provides both thrust and pulling force
Small piston rod is fixed
The large piston rod can withstand significant lateral forces during its extension and retraction
Articulated cylinder
Function:
Active articulation: tool head steering/coordinated tool change
Passive articulation: Drag the shield tail forward
Specifications:
Cylinder diameter ranging from 125mm to 550mm
Rod diameter ranging from 70mm to 370mm
Stroke range: 140mm to 1200mm
Stress
Up to 35MPa
propelling cylinder
Function:
Make the shield machine move forward
Specifications:
Cylinder diameter ranging from 140mm to 550mm
Rod diameter ranging from 120mm to 420mm
Stroke range: 900mm to 4100mm
Stress
Up to 35MPa
The maximum for special requirements can reach 45MPa
