Special air-cooled motor for Shield Machine

       The full name of the shield machine is shield tunnel boring machine. It is a special construction machine for tunneling. Modern Shield machines incorporate mechanical,

electrical, hydraulic, optical, sensing and information technologies, the utility model has the functions of excavating and cutting soil, conveying earth debris, assembling tunne

lining, surveying and guiding and rectifying deviation, etc. , involves geology, civil, mechanical, mechanical, hydraulic, electrical, control, measurement and other disciplines

and technology, but also according to different geological conditions, “Tailor-made” design and manufacturing, the requirement for reliability is very high, and it has been widely

used in subway, railway, highway, municipal, hydropower, coal tunnel and other tunnel engineering. 

       The cutter head of shield machine is mainly driven by hydraulic pump or frequency conversion motor. At present, compared with hydraulic drive,

frequency conversion motor has become the main driving force for shield machine because of its low cost, convenient installation and speed regulation,

high efficiency, large torque and environmental protection.