The manufacturer of electric pallets said that improving the accuracy of the channel steel of the door frame is the key to noise reduction of the door frame

Electric pallet trucks play a great auxiliary role in loading, stacking and unloading goods. Electric pallet trucks are in line with our 'green environmental protection' concept, so they are very popular with everyone. With the advancement of our technology, the operation of electric pallet trucks has become simpler, with low pollution and strong comfort. Originally, the noise of the door frame of the pallet truck was relatively loud when it was in operation. Now we have made improvements to it and adopted certain measures to reduce the noise of the door frame of the electric pallet truck. Let the manufacturers of electric pallet trucks introduce the specific measures. (1) Increase the cam mechanism of the fork frame. A cam device is added above the side of the main roller at the lower end of the carriage column plate. When installing, adjust the effective radius of the cam to be large, and fully contact the inner frame channel steel wing plate. When the fork frame moves up and down along the mast, the gap between the fork frame and the inner frame is adjusted by the eccentric wheel, and the rubber on the eccentric mechanism is in contact with the wing surface to absorb the noise generated during the movement and reduce the main roller and groove of the sliding frame. Noise generated between steel. After using for a period of time, if the rubber wheel is worn or damaged, the retaining ring can be removed and replaced. (2) Use a lifting cylinder with a buffer device. Different from the previous piston-type lifting cylinder, the electric forklift is designed as a plunger-type lifting cylinder, and is equipped with a throttle hole within the specified lifting and lowering range to ensure that the hydraulic cylinder is about to drop to the bottom (or When lifting to the top), the speed is slowed down, and the fork is controlled to land (or rise) slowly, which avoids the vibration and noise when the hydraulic cylinder is raised and retracted to the back, which can ensure the durability and service life of the electric forklift, and reduce Vibration and noise, and properly balance the weight of the goods, so that the mast rises and falls smoothly. (3) Improving the machining accuracy of the channel steel of the door frame is the key to noise reduction of the door frame. The movement noise of the mast of an electric forklift comes from structural parts such as the inner frame and the outer frame, the inner frame and the fork frame, and the fork frame and the fork. No matter how good the structure of other parts is, if the welding accuracy of the channel steel is not good, it will be useless to achieve the noise reduction of the mast. It is especially important to solve the manufacturing and assembly precision of the channel steel of the door frame. According to manufacturers of electric pallet trucks, there are generally three measures to reduce the noise of the forklift mast, which can appropriately increase the cam mechanism of the forklift, use a lifting cylinder with a buffer device and improve the machining accuracy of the mast channel steel. The third point can be said to be the key to reducing the noise of the door frame. If the accuracy of the door frame channel steel is good, the noise reduction can play a key role. On the contrary, if the accuracy is not up to the standard, then no matter how hard it is to reduce the noise The effect may not be very obvious.
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