A Derrick Crane is docking equipment installed on vessels or dockside. Derrick crane consists of derrick and hoisting mechanism. There are 3 or 4 steel wires connecting the derrick and hoisting mechanism, which controls hoisting mast goes up and down. A separate steel wire sling runs under the hoisting mast with a hook as the hoisting mechanism.
Features of Weihua Derrick Crane:
1. There are 4 driving system for the hoisting mechanism, 2 driving system for luffing mechanism.
2. The whole derrick crane chassis adopt basin support on concrete foundation, which can effectively ease the horizontal and vertical deformation of the derrick crane.
3. Multi-layer winding line reel drum. Hoisting winding drum wrapped with 4 layers of wire rope, and luffing drum is wrapped with 5 layers of wire rope.
4. Complete frequency control, half load lifting speed is 2 times faster than the full load lifting speed.
5. Inverter, encoder and electronic control system to ensure the 4 hoisting motors keep synchronous working.
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China Instrument Network Instrument Conference On December 18-20, 2016, the China Meter Association Water Meter Working Committee (hereinafter referred to as the Water Meter Working Committee) East China Region (North) Group 2016 Regional Conference was held in Qingdao, Shandong Province. Attending the meeting were: Deputy Chairman of the Water Metering Working Committee, Gu Jianmin, Director of the East China (North) Group, members Chen Guojian, Han Shuping, Zhang Taiwen, Zheng Wenhu, Deputy Secretary General Yan Shaojian, Li Hongwei, Zhang Qing, and others from Shanghai, Jiangsu, Shandong, Anhui, etc. There are 52 member representatives from 37 member units in the region. The meeting was presided over by Yan Shaojian, Deputy Secretary-General of the Water Metering Working Committee.
At the meeting, a briefing was given on the situation of Gu Jianmin, the deputy chairman and head of the East China (North) Group. The East China Region (North) group has a total of 49 member units, 36 attendees, 50 member representatives, 8 new application companies, 2 other enterprise representatives, and a total of 52 representatives from 37 companies.
Gu Jianmin, deputy chairman of the committee, explained to the participants the completion of the work plan of the 2016 Water Metering Committee. Prepare and publicize the "13th Five-Year Plan" for the water meter industry, perform social responsibilities, maintain the market order and the legitimate rights and interests of the member companies, improve the establishment of industry standard systems, actively promote the exchange and application of new technologies, and continue to do a good job The industry statistics and the secretariat work are explained in detail. Member Gu Jianmin said that there are 93 companies with permits for the manufacture of water metering and measuring instruments in this area, including 6 in Shanghai, 6 in Anhui, 14 in Jiangsu, and 67 in Shandong.
At the meeting, Deputy Secretary-General Zhang Qing introduced the third edition of the dynamics report on smart meter-related technologies. Through the previous version of the theme, the editorial background and prospects of the third series, editorial content, etc. to let everyone understand the latest progress, but also encourage the member units to actively undertake the fourth series of compilation work, promote the development and progress of industry associations.
Deputy Secretary-General Li Hongwei introduced the important changes in the new standards and new procedures for water meters and the type evaluation program. The requirements for accelerating the wear test sequence and the repeatability test were focused on publicity, encouraging everyone to do more experiments, accumulate experience, and make full preparations for the implementation of the new standards and procedures.
In addition, the attendees also heard special presentations on the development of the industry and the technical fields of Shandong Haowei Technology Co., Ltd., Jiangsu Maxtor Smart Meter Co., Ltd., and Qingdao Jicheng Electronics Co., Ltd.
The group discussed and interacted with each other and submitted some suggestions and opinions to the working committee of the Water Meter, which was roughly summarized as suggesting that the Water Metering Committee should organize targeted inspections and studies for the situation where the water meter industry lacks the electronic module production management level; As soon as possible, the letter calling for avoiding vicious competitions will be submitted to users of the Water Departments in various places through various channels; the Water Metering Committee is recommended to draft a list of outstanding suppliers of major spare parts for water meters, especially suppliers in electronic modules; at the same time, it is hoped that the committee will not limit At the conference, you can listen to the voice of the people by visiting the local area with more gas.
At the meeting, Jiangyin Lixin Intelligent Equipment Co., Ltd. was also recommended as a representative of the Fifth Committee Meeting of the Water Metering Committee. The meeting received strong support from Qingdao Huade Instrument Engineering Co., Ltd.
(Original title: Minutes of 2016 District Area Meeting of East China Region (North) Group of China Metering Association Water Meter Work Committee)