Automatic Concrete Electric Pole Centrifugal Spinning Machine base and bearing material is ZG270-500 casting steel and upper and lower sides of the base are processed with lathe in order to keep the installation precison and the steady fixing of anchor bolts during the high frequency vibration. And the riding wheel collar is assemble type which means the mold can be chosen from collar concrete pole mold or smooth wheel concrete pole mold .
The axial adjustment of concrete electric pole machine riding wheel is mainly achieved by adjusting the two rounded nuts at both ends of the shaft, either at the same time to the left or at the same time. Adjust the positioning and anti-loose, the original design is in the direction of the thickness of the round nut to open a width of 3.5mm slot, and in the center of the slot with the vertical position, with a M8 screw and tight slot, To prevent the nuts loose, and to locate.
However, in the actual operation of concrete pole centrifuge machine, due to the greater impact of concrete spun pole mold on the wheel (heavy load when the center wheel up to 1200kgf), the impact of high frequency (about 420 times per minute), round nut Loose. Due to the release of the round nut, the bearing outer ring under external force, constantly moving outward, bearing clearance increases, the positioning of the wheel is destroyed, causing a serious axial movement and radial run, affecting the centrifuge Normal operation and centrifugal forming of poles. And even cause the bearing, the outer rupture, the roller isolation cover disintegration, and thus the entire bearing seat and the wheel shaft scrap.
In order to solve the above serious defects, but also consider as far as possible on the basis of the original design, no major changes, the bearing seat cover on the increase of two M10 screws, with two M10 screws directly symmetrical to withstand the round nut end, And then use a nut to lock the top screw to prevent loosening. This modified, the adjustment of the bearings, no longer occurred in the short-term gap anomalies, wheel shift, beating, movement and bearing damage, etc., effectively overcome the hidden dangers of the centrifuge, after a long period of operation to prove that this Positioning and locking methods are reliable.
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