Manual pallet trucks are undoubtedly the most common handling tools in modern logistics, and can be seen in large and small factories. It is also widely used in postal services, airports, warehouses, workshops, supermarkets, logistics and other industries. In the modern society, the handling of materials has become inseparable from the manual handling vehicle, which is also known as the 'king of the land'.
In the process of social development and changes, the demand for manual trucks is also producing new changes, and the number of enterprises with personalized needs is also gradually increasing. Pallet trucks, widened manual trucks, large-tonnage manual trucks, scissor-type manual trucks, electronic scale trucks,
electric pallet trucks and other types of trucks continue to meet market demand.
However, all kinds of manual trucks are faced with such a problem, that is, the after-sales service and maintenance of manual trucks. 'There is nothing in the world that is not bad.' No matter how good the product is, there are times when it is damaged or eliminated, so solving the problem of after-sales service maintenance is the guarantee for the continuous operation of the manual pallet truck. The following Niu Li Xiaobian will give you an analysis of the parts that are most prone to problems in manual handling and how to solve these problems. don't talk nonsense
1. Oil pump: The oil pump is the key part of all trucks. Once there is a problem with the oil pump, it means that the truck will stop working. No matter how good the other parts are, it is impossible to work without any damage. The oil pump is composed of many parts. Among them, the most prone to problems are the dust ring, O-ring, steel ball and other accessories. Once these accessories are found to have problems or are worn or damaged during use, the most The easy and quickest solution is to replace, replace these accessories.
2. Oil cylinder: The oil cylinder plays a vital role in the entire lifting process of the truck, and it is also used to realize the lifting and lowering of the goods. Therefore, if the fork frame cannot be lowered or cannot be raised, the reasons are: first, the piston rod and the oil cylinder may be damaged due to overloading or partial load when the cargo is loaded; second, the piston rod is exposed to rust for a long time, hindering the The smooth movement of the piston is ensured; 3. The adjusted nut and hexagonal nut are not in the correct position; at this time, according to judgment, replace the piston rod or oil cylinder, lower the truck to the lowest level when the truck is not in use, and re-adjust the nut.
3. Oil seal: The oil seal is the key component to seal between the piston rod and the cylinder barrel of the oil cylinder, and is generally equipped with an imported sealing ring. Mainly is good sealing, wear-resistant, long-term use. 70% of the oil leakage in the oil cylinder occurs on the oil seal. If oil leakage is found in the oil cylinder, check it in time. If the sealing ring is aging and damaged, choose a high-quality sealing ring to replace.
4. Wheels: The wheels of the trucks are a kind of wear and tear, and the long-term use of transporting goods will definitely wear out, and the wheels of the trucks are also divided into many types, such as: nylon wheels, PU wheels, polyurethane-coated nylon, rubber wheels, bakelite wheels Lun et al. Most of the trucks are equipped with nylon wheels because the market is common and the price is cheap, but the degree of wear is poor, and the noise is also loud when walking. If the wheels of the truck are worn to a certain extent, please replace them in time. Expensive or cheap, the customer can choose.
5. Lever frame: The lever frame is the key component connecting the oil pump and the push rod. The lifting support of the hydraulic cylinder and the carrying and carrying of the goods are all supported and balanced by the lever frame. Overload, eccentric load and other phenomena often lead to deformation or breakage of the lever frame. This phenomenon must occur, and the truck cannot work normally, so contact the manufacturer or purchase and replace the lever frame in the market.
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