| Customization: | Available |
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| Application: | Shipping Containers |
| character: | Corrosion Resistant |
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Container Twistlock: The Guardian of Cargo Transportation Safety
In the modern cargo transportation system, container transportation has become a crucial part of global logistics due to its high efficiency and safety. The container twistlock, as a core component connecting the container and the transportation carrier, shoulders the important responsibility of ensuring the safety and stability of transportation, and is an indispensable part of the entire logistics chain.
| I. Product Overview | The container twistlock is specifically designed to firmly connect the container to transportation vehicles (such as semi-trailers, train carriages), ship decks, or other load-bearing structures. Through its ingenious mechanical structure, it achieves a tight fit with the container corner fittings, ensuring that even in the face of complex road conditions, adverse weather, or ship vibrations during transportation, the container can still remain stable without sliding, tipping over, or other dangerous situations, effectively preventing damage to the goods and threats to personal safety. |
| II. Structure and Principle | 1. Structural Composition: It mainly consists of a lock body, a lock head, a handle, and connecting components. The lock body is usually forged or cast from high-strength steel, with excellent compression and tensile resistance; the lock head has a unique shape, mostly in the shape of a mushroom head, which precisely fits the oval hole of the container corner fitting; the handle is used to operate the opening and closing of the twistlock, and its design conforms to ergonomics, making it easy for the staff to operate. |
| 2. Working Principle: When the container is hoisted onto the transportation carrier, the lock head of the twistlock is aligned with the hole of the container bottom corner fitting and inserted. Then, the handle is rotated. The lock head rotates accordingly. At a specific angle (usually 90 degrees or 70 degrees), the lock head tightly engages with the inner wall of the corner fitting, firmly fixing the container. Some twistlocks are also equipped with a tightening device to further press down the lock head, making it closely fit the bottom surface of the corner fitting and enhancing the firmness of the locking, preventing the container corner from lifting during transportation. | |
| III. Product Features | 1. Exceptional Safety: It can withstand huge tensile and shear forces. After strict testing, it can bear a load of dozens of tons, effectively preventing the container from shifting or falling off during transportation, providing a solid guarantee for the safety of the goods. For example, for a common 40-foot container loaded with 20 tons of goods, the twistlock can ensure that the connection between the container and the vehicle body is stable and reliable during high-speed driving, emergency braking, turning, and other situations. |
| 2. Convenient Operation: The handle design conforms to the human operation habit. The staff can quickly complete the installation and disassembly of the twistlock without the need for complex tools, greatly improving the efficiency of cargo loading and unloading. In a busy port or logistics terminal, a skilled worker usually takes no more than 1 minute to operate a single twistlock. | |
| 3. Good Adaptability: It is suitable for various standard specifications of containers, including different sizes such as 20-foot, 40-foot, and 45-foot. At the same time, it can be used on different types of transportation carriers. Whether it is a semi-trailer for road transportation or a container ship for maritime transportation, it can play its role in fixing. | |
| 4. High Durability: Made of high-quality steel and treated with surface treatment processes such as hot-dip galvanizing and powder coating, it has excellent corrosion resistance and wear resistance. It can be used outdoors in harsh environments for a long time, effectively extending its service life and reducing maintenance costs. In a coastal salt spray environment, the twistlock can be used normally for several years without serious corrosion. | |
| IV. Application Scenarios | 1. Road Transportation: Widely used in container semi-trailers to ensure the stability of the container during long-distance transportation, frequent starting and stopping, and complex road conditions, and to ensure the safety of road transportation. |
| 2. Railway Transportation: Used on railway container flat cars to achieve reliable fixation of containers during railway transportation and meet the requirements of high-speed and heavy-load railway transportation. | |
| 3. Maritime Transportation: Installed on the deck and hatch covers of container ships. In the rough marine environment, it stabilizes the containers, withstands the impact of waves, and ensures the safety of maritime navigation. |
| Installation Precautions | Before installation, check whether the specifications and models of the twist locks match the container, and whether there are any defects such as damage or deformation in each component. - Ensure that the installation position is accurate. The twist lock should be installed at the corresponding position of the container corner fitting to ensure that it can be smoothly inserted and rotated. - During installation, strictly follow the instructions. Use appropriate tools to ensure that the twist lock is firmly installed. Tighten the bolts and other connecting parts to prevent loosening. |
| Usage Precautions | - Check again before use whether the twist lock is installed in place and can rotate normally. - When operating the twist lock, use special operating tools and follow the specified operating method to avoid forcibly rotating it with brute force. - During the loading, unloading, and transportation of the container, ensure that the twist lock is in the correct locked or unlocked state to avoid the container being poorly fixed or unable to be loaded and unloaded normally due to misoperation. - Regularly inspect the twist lock and check its wear condition. If it is found that the twist lock does not rotate flexibly, there is a jamming phenomenon, or the locking tongue is severely worn, etc., deal with it or replace it in a timely manner. |
| Maintenance Precautions | - Maintenance personnel should possess professional knowledge and skills and be familiar with the structure and working principle of the twist lock. - When maintaining, first remove the twist lock from the container and place it on a safe and clean workbench for operation. - Clean each component of the twist lock to remove oil stains, dust, rust, etc. For components with severe wear, such as the locking tongue, rotating shaft, spring, etc., replace them in a timely manner. - Check the sealing performance of the twist lock. If the seal is damaged, replace the sealing ring in a timely manner to prevent rainwater, dust, etc. from entering the interior of the twist lock and affecting its normal operation. - After the maintenance is completed, debug the twist lock to ensure that it rotates flexibly and locks reliably, and then install it on the container for use. |
Jining Shengda Machinery Co.,ltd is a comprehensive enterprise that integrates design, production, and sales of semi-trailer parts and semi-trailer, located in Jining City, Shandong Province, China. The company was established in 2004, mainly engaged in trailer axles, trailer suspension, trailer landing gear, trailer fifth wheel, trailer king pin,container fasteners twist lock, brake chamber, slack adjuster, air bank, semi trailer parts and semi trailer. Also distributes truck parts,excavator parts,bulldozer parts,agricultural equipment parts,,lifting platform parts,general machinery parts,used semi trailer,used truck and so on. It has various manufacturing equipment and more than 1000 experienced employees with a factory area of over 24000 square meters. Our company has large-scale production and warehousing capabilities. Improving product quality, improving employee quality, strict quality assurance system and sound management system, and high-quality after-sales service are our foundation. Our company adheres to the principle of "quality first, reputation first" and provides customers with various types of products with quality and quantity assurance. In the fierce market competition, keep up with the times, maintain innovation, and ensure product leadership! Relying on technology, continuously improving the technological content of the products sold, and creating higher market value for society, customers, and companies. Our company has always created enterprises with integrity, operated the market with integrity, and won a good reputation, as well as the respect of our domestic and foreign peers.
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