Weihai Wanfeng Tower Crane

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Weihai Wanfeng Group is located in Manshan Town, Weihai City-Model Town of National Small Town Construction, where

traffic is convenient and industry is developed.
  Weihai Wanfeng Group, originally founded in 1995, is one of the first enterprises that restructured in Wendeng City

in 1997. The present group company was founded in 2003 and composed of four companies-Wanfeng Steel Structure, Wanfeng

Door & Window, Wanfeng Leasing and Yifeng Properties. It has 400 staff, fixed assets of about RMB70 million and land

area of 90,000m2. Main products include FO/23B, 7030, QTZ125, QTZ80, QTZ63, QTZ40 and QTZ315 series tower crane,

construction lifts and material elevator, as well as construction steel structure and high-grade aluminum-plastic doors

and windows. Its products are sold in more than 10 provinces and cities in China and over 20 foreign countries.
  Weihai Wanfeng Group is Top 10 Tower Crane Enterprises of Shandong Province, Top 100 Private Enterprises of Weihai

City, Top 20 Enterprises of Wendeng City, "AAA" Level Banking Credit Enterprise, Provincial-level Advanced Equipment

Management Unit, Provincial-level "Contract Honored and Promise Kept" Unit and Top 100 Provincial-level Honest

Enterprises. "Wanfeng" trademark was rated as Shandong Famous Brand, and Wanfeng tower crane is honored Shandong Brand-

name Product.
  Weihai Wanfeng Group has always been adhering to the business tenet of "quality first, credit first", regarding

customers as God and workers as source of development, paying attention to technology development, service and product

quality, introducing and innovating brand products, and injecting endless vigor and vitality to the company development.
  Weihai Wanfeng Group has strong technical force and excellent testing equipment. In 2001 it passed IS09001: 2000

Quality Management System Certification, and enhanced both management and service quality. With China's entry into WTO,

Wanfeng Group keeps an eye on the world development and continuously expands foreign markets. In 2004, its products

entered the international market, in 2006 took the lead to achieve license to enter the Russian market, and in 2007

passed CE certification and opened the door to the EU market, winning favorable opportunity for construction in foreign

market. With good reputation and services, our products attracted are more and more foreign customers.
  After nearly 10 years of development, Wanfeng Group has developed into an enterprise engaged in multi industries-

construction machinery, construction steel structure, building doors and windows, and real estate. The opening Wanfeng

Group always marches ahead.
Mr. Ma Shangquan, chairman of Wanfeng Group, said, "We serve your need, and promise to meet your satisfaction", and

welcomes cooperation with old and new customers to expand business opportunities and seek common development.
  The developing Wanfeng Group will continue to innovate and take part in market competition both at home and abroad

with confidence and determination, produce newer and better products based on self-encouragement and strict management,

and strive in the new century future development to accept the challenge.

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Q:What is the insulation resistance of tower crane?
The lightning resistance of tower crane (tower crane) on the construction site shall be no more than 4 ohms.I. tower crane GB/T 5031--20085.5.5.9 lightning protectionIn order to avoid lightning stroke, the main structure of the tower crane, the motor frame and all the electrical equipment metal shell, wire metal protection tube should be reliable grounding, and its grounding resistance should be no more than 4 ohms. When multiple repetitive earthing is adopted, the grounding resistance shall be no more than 10 ohms.
Q:Do self lifting tower cranes allow a small swing of the boom in jacking operation?
The upper working structure of the attached tower crane is connected with the jacking sleeve frame, and a jack jack is mounted on the top lifting jacket frame.
Q:What special operators should be equipped for the installation and disassembly of tower cranes?
According to the requirements of the 2.0.3 specification: tower crane tower crane installation and disassembly operation should be equipped with the following: 1, hold a qualified safety assessment certificate of the project and responsible for the safety of people and machinery management personnel;
Q:What kind of personnel should be installed for the tower crane installation and disassembly?
According to GB specifications:2.0.3 the installation and disassembly of tower cranes shall be provided with the following personnel:1. The project and the safety supervisor and the mechanical management personnel who have the safety inspection certificate;2, with special construction operation qualification certificate of construction, lifting machinery, installation, demolition workers, lifting signal workers, lifting drivers, cable operators and other special operations personnel.And an electrician.
Q:What kind of bodies are tower cranes made of?
Tower crane is composed of three parts: working mechanism, metal structure and power unit, and control system. The composition and function of the three parts are outlined below.
Q:Wall mounted tower crane
The construction of tower crane installation, operation and dismantling safety technical regulations "(JGJ196-2010) design provisions in article 3.3 attachment device of tower crane: when the tower crane attachment for use, attachment device settings and free height should comply with the provisions of the instructions; when the attachment level distance, attachment spacing does not meet the the instructions to.
Q:Lifting tower crane tower more than 45 meters, the demolition cost and how to adjust the field Sinotrans transportation fees?
Self lifting tower crane tower 45 meters high to prevail, such as height of over 45 meters, each increased to 10 meters (less than 5 meters, excluding) demolition costs increase 20%, off-site transportation costs increased by 10%.
Q:Under what circumstances does a tower crane require third party testing?
New clothes, relocation or transformation should be examined by the quality and Technical Supervision Bureau
Q:What are the lifting moment requirements for tower cranes?
1. Tower crane consists of three parts: metal structure, working mechanism and electrical system. The three main technical parameters are lifting moment, lifting weight and working speed. Lifting moment refers to the boom as the basic arm length maximum amplitude corresponding to the rated lifting weight of product, product or maximum weight with the corresponding inflection point.
Q:What are the basic parameters of a tower crane?
The basic parameters of a tower crane include the length of the crane itself, the weight of the crane as well as the weight of the counterweight! Tower crane lifting mechanism; slewing mechanism; luffing mechanism; motor power;...

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