Tower crane STC3611 for building construction

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TRUEMAX was established in 2003 at Hangzhou, China. In the past 10 years, TRUEMAX has established over 10 manufacturing base, to offer the one-stop services in construction machinery filed, including R&D, designing, manufacturing, quality control and delivery. 


        With core principle of “True to Quality, Ture to Customer”, our product has been exported to more than 100 countries with high customer appreciation & brand popularity.


        TRUEMAX provide the full series of construction machinery and one-stop overall solution. Our product range covers pre-fabrication including aggregate crushing, dedusting and block making; concrete series including mixing, batching, pumping & placing; construction series, such as tower crane, building hoist, suspension platform and lifting basket; light construction machinery, including compacting, cutting, surface finishing machines & rebar processing machines. 


        Especially the concrete placing boom, we’re the No. 1 in term of products variety, with top quality placing boom of placing radius ranging from 10 meters to 51 meters over 10 different series, the excellent quality & performance has been tested & approved by being used in lots of world famous high buildings.


        The manufacturing base of TRUEMAX adopts 6S management system.  Quality control system are implemented strictly in the whole procedures, including components purchasing, fabricating and manufacturing, packing and dispatch pre-inspection, ensuring the perfect quality assurance for all of our products. With international certificates like ISO9001:2008, CE & SGS, TRUEMAX guarantee the international first-class level for all of our products.


        At present, TRUEMAX is the“Grade A Export Enterprise of China Customs”, “Famous Export Brand of Zhejiang”, “ Famous Export Brand of Hangzhou”, “High & New Technology Enterprise of Hangzhou”, “Top 100 innovation-type foreign trade enterprise of Hangzhou”&“ Key enterprises of Xiacheng district, Hangzhou”, with support from Zhejiang Public Foreign Trade Service Platforms consecutively in 2012 and 2013.


        “Quality achieves outstanding success, innovation leads the bright future”, our working principle has leads the rapid expansion of TRUEMAX, with branches and spare parts distribution centers established oversea step by step. We’re targeting to complete the global layout of TRUEMAX Agent within next 2 years, and “TRUEMAX 6S” stores within 5years.


        In the coming days, TRUMAX will continue to forge ahead, make our best efforts to create the best platform for career performance, as well as to realize the maximized mutual benefit with all TUREMAX friends, partners, agents & clients.     


        “View Broad, Ambitions Boundless”, at a new height, we wish to join hands with all the ambitious friends together, contributing to the consummation of the first-class quality construction machinery industry, and creating the new glory constantly.


 

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Q:There is no CAD map attached to embedded parts of tower crane?
Where there are special drawings, we are using the embedded parts of tower crane attachment reinforced pre buried above 32mm (with hook) in concrete beam column, with the head of the thread and attached connection
Q:QTZ63 (Q5610) tower crane power, how many power parts, name, model specification, product number, date of appearance
All the details of the equipment are availableAs for power, it depends on the specific configuration of the frequency conversion and non frequency conversion will not be the same
Q:What are the requirements for jack up and plus section of jack up tower crane?
Shall conform to:1, tower crane has not reached the standard free height or attachment, not to the standard suspension height;2. The standard section of tower crane jacking must be the size of the original production;3, tower crane jacking work must be carried out by the professional installation team;4 tower crane jacking up, the wind must be less than four.Answer the 1 floor:The height of the self elevating tower crane is built up by other cranes like building blocks.
Q:What are the construction cranes? 50
National and trade standards for construction and lifting machineryStandard number, building lifting machinery, national and trade standard nameGB 6974.9-1986 lifting machines -- Nomenclature: Tower CranesGB 6974.1-1986 lifting machinery terminology - lifting machinery typeGB 6974.2-1986 lifting machinery terms - main parametersGB 6974.3-1986 lifting machines - Terminology - General conceptsGB 6974.4-1986 lifting machinery terms - bodies and other componentsGB - 6974.5-1986 lifting machines - Terminology - safety indicating devicesGB 6974.6-1986 lifting machines -- Terminology -- mobile cranesGB 6974.7-1986 lifting machines -- Terminology -- Railway CranesCranes; cranes; GB; 6974.8-1986; terminology; floating cranesGB 6974.9-1986 lifting machines -- Nomenclature: Tower CranesGB 6974.10-1986 lifting machinery terms - portal cranesCranes; cranes; cranes; GB; 6974.11-1986; terminologyCranes; cranes; GB; 6974.12-1986; terminology; bridge cranesGB 6974.13-1986 lifting machines -- Terminology -- gantry cranesGB 6974.14-1986 lifting machines -- Terminology -- cable cranes
Q:Equipment safety of tower crane
Safe distance tower and transmission line is not up to the requirements of the tower frame door frame to design, erection principle to power erection, do not use metal materials, bamboo and other materials can be used. The distance between a bamboo pole and a power line shall not be less than 1m, and a certain degree of stability shall be taken to prevent the wind from blowing. The tower crane height and bottom bearing size ratio is large, and the center of gravity of the tower body, high torque, braking frequency, impact force, in order to increase its stability, we will analysis the main causes of the tilting of the tower crane has the following:Overloading. Different types of cranes usually adopts the lifting torque based control, when the amplitude exceeds the rated load weight increase or the corresponding weights, the overturning moment more than stable moment of it, it may cause the collapse of the tower crane.Two, inclined hanging. Slant weights will increase its overturning moment, the lifting point will produce horizontal force and vertical force on the crane, bottom supporting point will produce an additional overturning moment, and the stability coefficient is reduced, resulting in tower crane collapse.Three, the tower crane foundation is uneven, the ground endurance is insufficient, the perpendicularity error is too big, also can cause the tower crane to overturn the moment to increase, causes the tower crane stability to reduce. Therefore, we should proceed from these key factors to strictly check, check and check, and prevent major equipment personal safety accidents. State explicitly eliminated the model should resolutely prohibit the use of, in disrepair, tower crane in the identification of the repair, to limit the use of load, tower crane for the use of fixed number of years there is no uniform standards, opinions vary, different places have different provisions.
Q:What are the lifting moment requirements for tower cranes?
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
Q:Tower cranes should stop working when the wind speed is greater than the magnitude.
Tower crane should stop working when the regulation is greater than or equal to six wind.When the wind is greater than or equal to four, the lifting operation shall be stopped.
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: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:What role does the tower crane torque limiter play?
The overload protection of tower crane is protected by two equipment, lifting load limiter and torque limiter. The latter generally in the big arm root 4-5 meters to the front of the large arm, overloading (Chao Liju) work, it is more important, basically, the scope of work is torque limiter plays a protective role. While the former is the weight limiter function in the arm root within 4-5 meters, because the tower crane is a jib type crane, each allowing weight lifting position corresponding to the different (CAB load curve). For example, such as 63KN.M, the big arm root 2 meters lifting, the theory is 23 tons, while the torque limiter is not over, but in fact, the tower crane at early crouched down, so the weight limiter in this work.

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