Road drop-and-hook transport is an advanced mode of transportation, which greatly increases the efficiency of cargo transportation and effectively reduces logistics costs. It has become very common in developed countries. The domestic car ratio is about 1:1.5, while the North American market has a car ratio of more than 1:4. Some large domestic logistics companies are trying to use this mode of transportation. Popularizing the correct replacement technology can not only enhance the competitive strength of enterprises, but also be a reasonable way to improve the income of card friends. It is also the only way to bring China's transportation to internationalization. The seemingly simple connection and separation between the main vehicle and the trailer actually contains a lot of details that are worth noting. How to complete the change quickly and safely is a job skill that must be mastered by the driver of a transportation and suspension company. However, for many individual retail drivers, perhaps one year or even two years may not appear once linked to the scene. Therefore, there is little understanding of this aspect. I hope that through the popularity of this article, for those who have not contacted or Drivers who have less contact with the hanging process have some help. ◠Pick up and pay attention to whether the site is firm and smooth 1. When the tractor is separated from the trailer, it should be observed whether the site is firm and flat. After the trailer is separated from the traction head, the force point will be transferred from the saddle to the supporting leg of the trailer. If the site is loose, it may easily cause the trailer to become Instability caused the trailer to tilt and even tipped over. 2. When preparing to pick and hang, firstly, the locking device of the traction seat should be operated to open the locking block. If the locking device cannot be pulled out, the traction pin may get stuck with the saddle, and a slight movement of the traction vehicle can solve the problem. 3. At this point, the support leg of the trailer can be lowered. The support leg rocker arm of the trailer is generally divided into two speeds. When the support leg touches the ground, use a slow block and shake it two or three times. Make the trailer support leg fully in contact with the ground. Ensure that the two supporting legs are evenly loaded. 4. Disconnect the two air pipe connectors connected to the tractor and the trailer, and the cable connectors for the tractor and the trailer. It is worth reminding that the two disconnected air pipes and cables should be fixed and placed. Avoid winding the pipe and drive shaft when the tractor head moves. 5. When it is confirmed that the locking device of the tractor saddle is opened and the supporting leg of the trailer is dropped, the pipeline connected with the trailer has been separated. At this time, the tractor and the trailer can be separated. ◠There are many precautions when connecting tractors and trailers 1. When the tractor head is ready to be connected with the trailer, it should ensure that the locking block of the tractor seat is opened and is in a free state. At the same time, it is also necessary to ensure that the traction slide of the trailer is 1-3 cm lower than the center of the upper plane of the traction saddle of the tractor, and be careful not to be too high. Otherwise, sometimes not only can not be connected, but also damage the tractor seat, tractor pins and related parts. 2. When the tractor is moving backwards, the speed of the vehicle should be kept as slow as possible to avoid the impact on the tractor's saddle, the traction pins and the supporting legs of the trailer. Causes damage to the above components. 3. The centerline of tractors and semi-trailers strives to maintain consistency, and the centerline offset of the two vehicles is limited to 40mm or less. After the saddle mouth of the tractor is aligned with the traction pin, the vehicle is slowly reversing until it hears a “click†sound, and when the locking block returns, the tractor and the semitrailer are successfully towed. 4. Check whether the locking block of the tractor locks the locking pin and whether it is securely locked. 5. Connect the two air pipe joints on the tractor to the two air pipe joints on the trailer. The two air pipes of the tractor should choose different colors as much as possible to avoid the occurrence of anti-reversal due to the same color. 6. Insert the cable connection plug of the tractor into the socket on the front of the semi-trailer until the card is seated on the latch block. 7. Use the tractor to inflate the trailer and retract the support legs of the trailer. 8. Complete the above content, observe the vehicle's instrument to see if the trailer's air pressure reaches the normal value, avoid the shortage of air pressure, cause the trailer tire to lock up, and at the same time, check whether the trailer's turn signal and tail light are working properly. After completing the above, the vehicle will be able to hit the road normally. ◠Postscript With the popularity and development of dumping and transport in our country, more and more companies and individuals have begun to try such a transport method. For drivers, it is also necessary to become familiar with the process of change. The seemingly simple change-and-hook process, which contains many details that require attention, hopes to use this article to help those who don’t often contact the hanged and hung card members to avoid unnecessary losses due to improper operation. .
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