Fangyuan PT7022 Flat Head Tower Crane Passed the Test Successfully

April 6，Shandong Special Equipment Inspection and Testing Research Institute designed and developed by Fangyuan Group Lifting Machinery FactoryPTType test of 7022 flat-head Tower Crane。

Test according to《Type test rules for crane》，YesPTThe 7022 Tower Crane has been tested at the rated lifting capacity and the rated weight at the maximum working range.、Overload 125%Test，The main structural stress safety protection devices and technical design documents shall be tested and reviewed.。

The test results show that，Produced by Fangyuan Group Lifting Machinery FactoryPTAll performance indexes of 7022 Tower Crane meet the design requirements.，Comply with relevant standards and type test rules。

FangyuanPTThe maximum lifting capacity of 7022 tower crane is 12 tons.，Jib length 70 m，Can achieve 65 meters、60 meters、55 meters、Use of 50m equivalent variable arm。The three mechanisms are controlled by frequency conversion.：Lifting mechanism adopts variable frequency motor with rotary encoder.，Closed-loop control；The slewing mechanism is controlled by variable frequency torque motor；The luffing mechanism is a variable frequency motor equipped with a planetary gear reducer，So that that use field of the product is expand，And is bet adaptable.PCConstruction work。

Hoisting Machinery FactoryZhao Bo

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