Shandong Guohong Tower Crane

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Shandong Guohong is a professional tower crane manufacturer.

Shandong Guohong can manufacture topless crane & luffing crane & topkit crane , the capacity from 40mt to 1000mt tower cranes . we have manufactured these cranes for various client in Korea, Middle east, Malaysia, Pakistan, Australia, Germany(OEM), South Africa and China.

Shandong Guohong prides itself on offering the most products and services around the world.

The leading products are mechanical devices such as various type of tower cranes and construction lifts; as well as road construction like asphalt mixing equipments together with steel building structure installation, etc. With the right to engage in foreign tradewe have passed ISO-9001 Quality Management System Certification,CE Certificate and got National Special Permission Authentication Grade A and Russia EAC certificate of tower crane.

Shandong Guohong Group, originally founded in 1999, is one of the first enterprises that restructured in Weifang City in 1997. The present group company was founded in 2003 and composed of four companies- Guohong Steel Structure, Guohong Door & Window, Guohong Leasing and Guohong 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.
  Shandong Guohong Group is Top 10 Tower Crane Enterprises of Shandong Province, Top 100 Private Enterprises of Weifang City, Top 20 Enterprises of Guohong 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. " Guohong " trademark was rated as Shandong Famous Brand, and Guohong tower crane is honored Shandong Brand-name Product

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Q:Who is responsible for the construction of the pile foundation of the tower crane?
1, the pile foundation of the pile and tower crane foundation pile is not the same item, cannot pile foundation pile and tower crane foundation pile together to talk about.2, you did not say who is tower crane?. Who is responsible for the tower crane installation, including tower crane foundation construction.3, but, in fact, in most cases, the mechanical leasing company only provides technical requirements, providing tower crane foundation section. Piling and foundation concrete are the responsibility of the contractor.4, if the contract does not have a definite agreement on the construction of the tower crane foundation, the general contractor shall be responsible for the cost of piling the tower crane foundation. The piling Team can be the construction unit of the pile foundation, and also can be found by the general contractor.5, in the future tower crane foundation construction program should be clear about this matter, avoid controversy.These are only personal opinions.
Q:Protective earthing resistance of tower crane
Q:Emergency treatment of interrupted electricity during lifting of tower crane
When the power supply fails, you should first remove the things that are stuck in the gear!
Q:What are the types of common tower cranes?
(2) according to the transition typeSlewing tower crane: slewing support tower mounted on top of tower. It can be divided into tower cap, rotary tower, top rotating type, upper slewing platform type and rotary column type.The rotary tower crane, slewing tower body is arranged at the bottom, the tower to tower crane chassis rotation.
Q:Detailed parameters of QTZ80 tower crane 50
The weight of the whole machine is 36.1 tons (independent height). Its balance weight is 15 tons, and the balance weight is 11.82 meters. The boom weight is 5.72 tons. It is necessary to use planetary gear.Usually use two rotary speed reducer of 8000 nm.
Q:What is the allowable range of vertical deviation for tower cranes?
Independent height 4/1000, attachment height 2/1000 under top wall!
Q:How many tons of tower crane QTZ80A lifting?
Lifting torque = mass * radius of gyration (amplitude). That is to say, the bigger the weight is small.
Q:Equipment safety of tower crane
The boom of a tower crane is divided into two types: horizontal and compressed arms. When the movable arm is horizontal, the carrier car runs along the horizontal arm with variable amplitude and amplitude, and the movable arm is longer, but the boom has a larger deadweight. The arm for the strut type when the tractor boom luffing mechanism pitch amplitude, amplitude motion than horizontal smooth, but its relatively small weight.The weight of a tower crane varies with its amplitude. The product of the weight and the amplitude is called the load torque, which is the main technical parameter of the crane. Through the rotary mechanism and slewing tower crane, lifting height, rotation and walking the inertial mass, so it needs to have good control performance, especially the lifting mechanism can fast, slow, heavy and light load installation fretting. In addition to the general use of resistance speed regulation, but also often use eddy current brake, FM, pole change, SCR and mechanical and electrical joint speed regulation. When the crane in the layout to drawing, especially in real estate development area, residential buildings, such as tower crane, but also to consider the safety distance of adjacent tower crane, two in horizontal and vertical direction to ensure the safe distance of not less than 2m, the adjacent tower crane tower crane and interference can not occur. Try to ensure that the tower crane in the wind is too large to be free of rotation. The safe distance between the rear arm of tower crane and adjacent buildings shall be no less than 50cm. The safe distance between tower crane and power line meets the requirement.
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:What are the components of a tower crane? What are its main technical parameters? What is lifting torque?
2 tower cranes (tower crane) referred to as tower cranes, also known as tower cranes, originated in Western europe. A revolving crane mounted on top of a tall tower. The working space is large, mainly used for the vertical and horizontal transportation of materials and the installation of building components during the building construction. It consists of three parts: metal structure, working mechanism and electrical system. The metal structure includes the tower, the boom and the base. The working mechanism has four parts, lifting, luffing, turning and walking. The electrical system consists of motors, controllers, power distribution cabinets, connecting lines, signals and lighting devices, etc..Has a good safety device 3, tower crane, such as lifting weight limiter, amplitude limiter, height limiter and load torque limiter limiting device, and travel limit switchestower lights wind instrument, wind clip rail device ladders athletic supporter circlewalkways and railings. The driver's cab is comfortable, easy to operate, with good vision and perfect communication facilities.

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