Shield machine cylinder

图片名称

The appearance and installation size of this series of hydraulic cylinders are in line with ISO6020 international standard except the installation type of axial base

Specifications and models can be customized according to customer requirements or consultation

Contact person: Manager Zhou

Tel: +86-510-85596218
Email: info@wxsbjx.com

Cylinder introduction

Propulsion cylinder

Function: advance the shield machine
Specifications: Bore diameter 140mm~550mm
Rod diameter 120mm~420mm
Travel 900mm~4100mm
Pressure: up to 35MPa
Special requirements can reach up to 45MPa

Articulated cylinder

Function: Active articulation: cutter head steering/coordinated tool change
Passive articulation: drag the tail of the shield forward
Specification: cylinder diameter 125mm~550mm
Rod diameter 70mm~370mm
Stroke 140mm~1200mm
Pressure: up to 35MPa

Assembler lifting cylinder

Function: transport the tube pieces to the specified position and assemble them into a ring
Specification: generally two-level structure
Thrust and pull are provided by the internal small oil cylinder
Small piston rod fixed
Large piston rod can withstand large lateral forces when telescoping

Anti-torque cylinder

Function: transmit the torque when the cutter head rotates
Specification: Bore diameter 330mm~570mm
Rod diameter 260mm~530mm
Stroke 120mm~160mm
Pressure: generally up to 35MPa
Up to 42MPa

Crusher cylinder

Function: Clamp the crushing tongs to ensure that large pieces of pebbles enter the discharge port after being crushed
Specifications: Various specifications of crusher cylinders can be designed and produced according to customer requirements

Product advantages

• The use of high-strength materials and special heat treatment and welding processes ensure that the cylinder has a very high fatigue life under high pressure and heavy load

• Design a reliable sealing configuration suitable for the working conditions of the shield machine for different types of oil cylinders

• Can be designed and integrated hydraulic locks, balance valves, etc. according to requirements

• The design has a wide temperature range (-20℃~+80℃), and can provide higher or lower temperature cylinder customization services

• The theoretical analysis and finite element calculation of the system can make the design of the cylinder structure more optimized and safer

• Working pressure, size specifications, installation methods, etc. can be customized according to customer needs