top quality tower crane with CE ISO certificate TCD4021

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Based on strong design and R&D ability, CNBM-CMAX brand machinery has provided key technical supports to the mechanization of construction materials. CNBM-CMAX machinery covers not only construction machinery, such as excavators, loaders, road roller and etc, but also lifting machinery, such as tower cranes, building hoist, suspended platform, mobile crane and etc; not only the metal processing machinery, such as stainless steel cold-formed steel production line, door molding machine, roof tiles and wall board forming machine and C, Z-type machine, but also a variety of specialized production line, such as EPS sandwich panel production line, FRP pipe production line; what’s more, special machinery, such as hydraulic jacking bridge used in cooling tower construction together with the multifunctional hoist and the only cement paper bag production equipment in Chinese domestic market. CNBM provides you complete solutions and excellent service.

top quality tower crane with CE ISO certificate TCD4021

top quality tower crane with CE ISO certificate TCD4021

top quality tower crane with CE ISO certificate TCD4021

top quality tower crane with CE ISO certificate TCD4021

top quality tower crane with CE ISO certificate TCD4021

top quality tower crane with CE ISO certificate TCD4021



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Q:All types of jack up cranes. How is the maximum lifting torque converted?
Tower crane lifting torque = crane maximum lifting weight * maximum operating range; for example: the maximum lifting weight is 2T*, the maximum operating range of 50 meters =1000KN.m.
Q:Emergency treatment of interrupted electricity during lifting of tower crane
It is very dangerous to stop the electricity during the lifting of tower crane. Because the slewing brake is missing, the tower crane is very dangerous because the wind rotates.
Q:How to select tower crane type according to the height of building? Seek explanation
Choosing tower cranes is not based on height, but is based on the coverage area. The height is only a reference value. Now high-rise QTZ can be attached to the wall, so height is not a problem. Let's talk about the shape of your building, and the best of the 5
Q:What are the "2 magnification" and "4 magnification" mentioned in the lifting characteristics table of tower cranes?
Popular saying: "car to hook this section of vertical distance, you see 4 wire rope is 4 magnification, you see 2 wire rope is 2 magnification.".
Q:How to fix the cable on the tower of QTZ125 type tower crane?
let the main cable and metal member completely separated, safety code for tower crane and tower crane installation, use and dismantling specification is not clear and specific practices, according to my experience, in accordance with the methods mentioned before can do check, usually meet the requirements.
Q:How to install the jack up tower crane 30How to install the jack up tower crane?
1, since it is self lifting, as the name suggests, is to rely on their own strength, without other cranes can rise.2, it has a special elevated section, a hydraulic device, the upper section rises, the middle empty time section, with his arm to be added to the festival hanging near the artificial it fixed, so that a section of the rising of the.3 crane refers to a certain range of vertical lifting and horizontal moving heavy lifting machines. Also called crane. At present the Guangdong SHUNFA hoisting lifting equipment limited company has gradually cancelled lifting driving function. The main features are: the tyre crane driving cab and lifting control room, is be made one crawler crane (crawler crane) evolved, the walking tracks and walking mechanism to support part of the tire chassis, overcome the crawler crane (crane) damage caused by the defects of trackboard pavement, belongs to the material handling machinery. Lifting equipment is characterized by intermittent exercise to do some work, namely the corresponding mechanism, taking in a working cycle of transport and unloading action is the turn of the job, the crane in the market development and the use of more and more widely. Because no leg lifting and lifting driving often appear some accident, driving faster than the crawler crane (crane); stable operation, large lifting capacity, lifting, walking road, but must ensure smooth solid tire pressure to meet the requirements, hanging from the ground not more than 50CM in a certain range is prohibited; with a load of long distance. In order to ensure the safety of operation, the lifting operations are not allowed to be carried out at home.
Q:Does tower crane belong to special equipment?
Tower crane is a high-altitude operation, the type of work belongs to special types of work, equipment belongs to special equipment.
Q:Minimum QTZ63 tower crane special electric box open for many A
Tower crane (tower crane) is called tower crane, also known as tower crane, 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..
Q:In order to ensure the stability of tower cranes, generally along the height of the tower and building a number of meters attached
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:About tower crane torque limiter with 4 limit switches, each play a role, thank you
Lifting weight limiter: limit maximum lifting weight;Torque limiter: limit the maximum lifting torque;Height limiter: limits the maximum and minimum position of the hook lifting and lowering;Amplitude limiter: limit the lifting trolley in the boom on the outside, the inside position;Slewing limiter: limit of up to the number of rotating ring arm;

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