Arm Pull Mechanism (37TPF20 )
Arm Pull Mechanism (37TPF20 )
1.2.2 Transmission Features
stability, high efficiency, easy braking, compact structure;
1.3 Demonstration program
The original motor prime is dynamo (dynamo with brake), direct drive with reducer and directly connected to the drum, gear reducer transmission efficiency, wide use range of power and speed, long life, is one of the most widely used mechanism in modern machines. This design uses a bevel gear reducer plus helical gears gear (Bo K series helical gear - spiral bevel gear reducer).
Overall, the transmission program meet the performance requirements of the working machine, to adapt working conditions, reliable work, in addition structure is simple, compact size, high transmission efficiency.
Part 2 The selection of Dynamo
2.1 The selection of Dynamo
2.1.1 The total efficiency of the transmission devie
Part 3 calculation and verification
3. drum section
3.1 reel torque

3.5 calculate the fixed end of the rope pull Fx
In security circles reservation twice, and calculate the fixed end of the rope pull




Our Services
1- One year warranty for whole machines.
2- Providing free quick-wear part.
3- Low charge for continue maintenance when warranty is expired.
4- Exclusive engineer support at any time.
5- free training to end-users.
6- 24 hours online service and support
Company Information
Chengdu Recen Technology Co., Ltd. is a high-tech enterprise which locate in Chengdu, Sichuan Province of China, and it has more than five years experience in the field of construction tower crane industry. Since established, Recen has been insisting to invest heavily in product development and focus on products usability, design, and technology quality to providing high-technology, high-efficiency and high-energry save products to meet market demand. Based on the corporate mission of "as bulder's escort" and insisting on the advanceted, innocative and reasonable working core, Recen has won recognition and praise from the users at home and abroad. So far, our customers are throughout China, Hong Kong, Russia, the United States, Vietnam, India, Malaysia, Argentina, Kuwait, Isreal, Egypt, the United Arab Emirates and other countries and regions. Through continous development and improvement, Recen has made considerable achievements not only on company qualification but also on product development within a few years.
Certification & Testing
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