[Safe production] Gantry crane safety knowledge


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Release time:2024-03-28

The gantry crane is a deformation of the bridge crane. Its main structure is a portal frame structure. Two outriggers are installed under the main beam and walk directly on the track on the ground. It is also called a gantry crane.

The gantry crane is a deformation of the bridge crane. Its main structure is a portal frame structure. Two outriggers are installed under the main beam and walk directly on the track on the ground. It is also called a gantry crane.
It has the characteristics of high site utilization, large operating range, wide application, and strong versatility.
In construction, gantry cranes are mainly used for hoisting operations in material yards, steel bar processing yards, prefabrication yards, and working wellheads in subway station construction.
During the installation, use, maintenance and disassembly of gantry cranes, you should pay attention to the following safety matters:
Installation of gantry crane
01. Before installing the gantry crane, the installation plan should be determined based on the lifting equipment used on site and the installation technical measures should be formulated;
and provide safety technical briefings to installation workers.
02. The installation site should be flat and hardened, with smooth access roads and no obstacles above it to meet the requirements for truck cranes, transport vehicles entering and exiting the site, and hoisting operations.
03. The track foundation and the supporting point foundation of the truck crane should meet the load-bearing requirements.
04. Safety cordons should be arranged around the installation site, and necessary safety signs and warning signs should be set up.
05. Before starting the installation work, the installation tools and required materials should be inspected. The installation must be carried out in the order determined by the installation plan.
06. The high-strength bolts, steel materials and steel strands used during installation must have certificates and be sampled for review and should meet the design requirements;
Torque wrenches and other construction tools used for installation should be tested and meet the requirements before use.
07. The fastening surface of high-strength bolts must be clean and free from oil stains, rust, etc.
08. As long as the lifting capacity of the lifting equipment allows, try to expand the ground assembly work and reduce high-altitude operations.
09. Before hoisting components, a test hoisting operation should be carried out to check the stress of each part. Only when the stress is normal can the hoisting be continued.
10. Install semicircular corners (wire rope corner protectors) at the corners of the lifting wire rope and equipment to prevent damage to the wire rope.
11. When the outriggers are placed temporarily, the bottom traveling trolley should be fixed to prevent movement.
The wind ropes should be arranged reliably and in sufficient quantity.
12. During the installation process, when workers are required to work on high-altitude components, they must ensure that the support of the components is firm and secure, and protective measures must be taken in accordance with relevant standards and specifications for high-altitude operations.


"Zhangshu" brand crane products have been rated as "Jiangxi famous trademark" and "Jiangxi brand products" for many consecutive times. The products are sold to 29 provinces, autonomous regions and municipalities directly under the central government, and exported to South Korea, Sri Lanka, Indonesia, Myanmar, Albania and other countries and regions.

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