QTZ31.5(3883) Hongda 3t Mini Topkit Construction Tower Crane
QTZ31.5 tower crane
Model:QTZ31.5;
Jib length:38m;
Basic Height:27m;
Tip load:0.83t;
Max load:3t.
1. new condition 3t tower crane/hydraulic self erecting tower crane/hammed head topkit construction tower crane
2. China-made high quality 3t mini tower cranes, small tower cranes, China good tower crane manufacturers
3. high efficiency, CE, ISO, GOST certificates
Description of 3t tower crane QTZ31.5(3883):
Raw material
Raw material is the base of the product and the most important wayensuring the quality. We buy the raw material from steel factory like Baosteelor Wisco.
Electrical mechanism
Use French Schneider contactor, broken phaseand phase sequence protection and protection for overload
Hoisting mechanism
Brake wheel use cast steel materials, surface quenching andexternal circular, control the beating degree strictly. We have balance test,each hoisting mechanism has the no-load, static load, dynamic load test to makesure the perfect work performance.
Derricking mechanism
Derricking mechanism with free maintenance planetary reducer andcone brake motor is compact and reasonable in structure, stable and powerful introlley, high endurance and low failure rate.
Slewing mechanism
Slewing motor use winding motor and hydraulic transmission,slewing is stable and powerful
Safety protection
Weight limiters use the pull-ring structure, force moment adoptbow-board mechanical type which suitable for the bad wild environment, and alsoensure the limiter sensitive and reliable, avoid accidents because ofnonstandard operation.
As a professional exporter,our target is to serve worldwide clients with high-quality products, great-reliability, devoted responsibility,professional services and honorable credibility to meet customers’ requirements in all aspects. We will supply you 24 hours a day and 7 days a week after-sale services.
If you want to know more about our products, pls contact us by email or phone. Also welcome consult us any question at your convenience, any inquiry or kind suggestions from you will be very appreciated.