QTZ200 Construction Crane

Zhejiang Construction Engineering Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of qtz200 construction crane in China. With abundant experience, we warmly welcome you to buy advanced qtz200 construction crane made in China here from our factory. Good service and quality products are available.

Our company tower crane owns the leading technology R&D team, the product quality passed several experiments with strict testing. Otherwise, ZJCM has 60 years of production technology and rich experiences in quality management. QTZ200 construction tower crane load moment is 200t.m, max capacity is 12t.

1. Precautions for installation, disassembly, and maintenance of tower cranes

After each dismantling or re-installation of the tower crane, as well as during minor, medium, and major repairs, it should be repaired by technical personnel and professionals.

2. Personnel conduct inspections, repairs, and maintenance.

Before installing and adding standard sections, the structural components and high-strength bolts of the tower crane should be inspected. If the following problems are found, they should Installation can only be carried out after repair or replacement.

1) Visible cracks in structural components and welds;

2) The shaft and hole of the connector are severely worn;

3) Severe corrosion of the base material of structural components;

4) Overall or local plastic deformation of structural components, plastic deformation of pin holes.

3. After each re-installation, intermediate maintenance, and major overhaul of the tower crane, it is necessary to carry out no-load, rated load, and overload according to the procedures of the first installation acceptance Load (dynamic and static) test and adjust various safety devices. During the test, the load should be from light to heavy, and close observation should be maintained to discover abnormal situations should be immediately stopped, carefully inspected, and test records should be kept and included in the equipment file.

Weight: the weight of underground section without load and ballast with longest jib and maximum free-standing height.

QTZ200 construction tower crane load moment is 200t.m, max capacity is 12t.

1. Precautions for installation, disassembly, and maintenance of tower cranes.

After each dismantling or re-installation of the tower crane, as well as during minor, medium, and major repairs, it should be repaired by technical personnel and professionals.

2. Personnel conduct inspections, repairs, and maintenance.

Before installing and adding standard sections, the structural components and high-strength bolts of the tower crane should be inspected. If the following problems are found, they should Installation can only be carried out after repair or replacement.

1) Visible cracks in structural components and welds;

2) The shaft and hole of the connector are severely worn;

3) Severe corrosion of the base material of structural components;

4) Overall or local plastic deformation of structural components, plastic deformation of pin holes.

3. After each re-installation, intermediate maintenance, and major overhaul of the tower crane, it is necessary to carry out no-load, rated load, and overload according to the procedures of the first installation acceptance Load (dynamic and static) test and adjust various safety devices. During the test, the load should be from light to heavy, and close observation should be maintained to discover abnormal situations should be immediately stopped, carefully inspected, and test records should be kept and included in the equipment file.

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