ZHONGLIAN BRAND TOWER CRANE SL6036

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KIND REMINDER:
WE ALSO MANUFACTURE OTHER TYPES OF MASTSECTION AND OTHER TOWER CRANE
SPARE PARTS, SUCH AS LIFTING JIB, TIE-IN
COLLAR, CLIMBING CAGE AND HOOK.  
WE WISH TO PRODUCE MOST-SATISFIED PRODUCTS FOR YOU!
PLEASE FREELY CONTACT US FOR INQUIRY!




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Q:Is a tower crane a fixed type crane? Still can walk? Thank you
The tower crane is the equipment that can be used in the construction site and is not to walk.
Q:Are there any special requirements for the installation of wall fittings of tower cranes?
The wall pieces should be rigidly connected on the wall of the embedded parts.
Q:Tower crane and construction hoist service life? What are the norms and standards? How to detect?
more than 1250KN.m (including 1250KN.m), the factory more than 20 years of age (including 20 years);Construction hoist: SC years of construction for more than 8 years (excluding 8 years) SS construction hoist; factory life of more than 5 years (excluding 5 years) of the construction hoist.Excluding other areas
Q:Tower crane 5610 why is it called QTZ63?
Q is reusable, T is tower, Z is jack up, and combined is jack up tower crane. (this is the earliest known China, now the various manufacturers have their own name, some close to the French take, such as F0/23B, the tower jib 50 meters, a maximum weight of 10 tons, 2.3 tons of weight lifting arm tip)80 is the moment, the unit is t * m, (should say is the force multiplied by distance, 800kn.m) for 5613 cranes, the maximum lifting capacity of 8 tons, the boom length is 56 meters, arm tip lifting weight 1.3 tons, maximum weight in the range of 2.5 meters ---13 meters, calculation of 8 * 13=104, so the name is QTZ104, now the provisions should be a QTZ104, but before, people think is 8 tons of weight, so called QTZ80, is now available.
Q:What kind of bodies are tower cranes made of?
Two. The metal structure of tower craneThe metal structure of tower crane is mainly composed of underframe, tower body, jacket, upper and lower support, suspension arm, balance arm, tower top and other main components.Metal structure is the framework of tower crane, which bears the deadweight of crane and all kinds of external loads during operation.Three. Power unit and control systemThe power unit is the power source of the crane, and the power source of the tower crane is an electric motor with an external power supply.The control system includes controls and safety devices. Control device for tower crane is composed of a linkage control console, distribution box, resistor box components, the safety device is mainly composed of height limiter, amplitude limiter, lifting weight limiter, moment limiter, slewing limiter etc..Through the control system, the movement characteristic of the crane can be changed, so as to realize the starting, speed regulation, modification, braking and stopping of each mechanism, so as to achieve various actions required by the crane operation.
Q:Examples of filling and acceptance forms for tower cranes and examples of filling in.
The 1 conclusion is "qualified" project, fill out the "tick".2, the conclusion is "unqualified" project, fill in "x"". Part of the "unqualified" sub item should also be painted on its number *".
Q:What is the inspection certificate for tower cranes?
Inspection certificate of tower crane must have two certificates:1, the manufacturer issued its own "product quality certificate"2. The product quality supervision and inspection certificate issued by the Technical Supervision Bureau
Q:The special equipment specified by the state is a periodical inspection cycle, wherein the crane is carried out every many years
(two) small light lifting equipment, bridge crane, gantry crane, gantry crane, cable crane, crane mast, railway crane, jib crane, mechanical parking equipment every 2 years 1 times, the crane annual molten metal and hot metal 1.The rated load test, static load test and dynamic load test shall be carried out in the first test and the first periodic inspection, and the rated load test shall be carried out 1 times after each of the 1 inspection periods.The inspection process, the existence of major risks of hoisting machinery (such as special work environment, frequent accidents, etc.), inspection agencies approved by the provincial quality technical supervision department agree, can be appropriate to shorten the regular inspection period, but the short period of not less than 6 months.
Q:Protective earthing resistance of tower crane
Q:When the tower crane foundation is found, what should be discontinued?
The settlement, inclination and cracking of tower crane foundation can affect the stability of tower crane and should be stopped

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