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Installation application and precautions of vibration motor

by:YiFan     2021-05-13
2012-02-21 12:07:37 The installation, application and precautions of the vibration motor Link address: http://www.hnshusongji.com/xwdt128.html The vibration motor is composed of a special motor plus an excitation weight, which is generated Exciting force, through the motor foot or flange to transmit vertical and horizontal vibration machinery. It has high utilization rate, low energy consumption, low noise and long life. It is mainly used for the vibration of the silo wall of various silos, hoppers and chutes to prevent material retention and promote rapid movement of materials. It is also a self-synchronizing linear vibrating screen and vibrating feeding Vibration source of various vibration machinery such as machine, vibrating feed hopper, vibrating loading conveyor, etc. It is ideal equipment for metallurgy, mining, coal, building materials, abrasives, ceramics, chemical industry, food and other industrial sectors. Vibration motor and vibration machine connection plane are used Plan 6.3 smooth finish processing surface, flatness should meet the 9-level tolerance requirements of GB1184-79 attached table 1. The strength of the foot mounting or flange mounting bolts shall not be lower than 8.8. The vibration motor must be firmly installed on the vibration machine. The foot or flange bolts should use anti-loosening devices. After 20 minutes of operation, the machine should be shut down for inspection. Use a torque wrench to check the tightness of the foot or flange bolts. If there is insufficient Must be stepped up according to the above requirements. The above procedure should be repeated after two hours of operation again, and the firmness of the foot or flange bolts should be checked every two to four hours within two days, and then every four to six weeks. Since the output cable of the vibration motor has to withstand vibration, a heavy-duty four-core cable should be used. Sudden bending is not allowed near the cable outlet, and a bending radius greater than 8-9 times the outer diameter of the cable should be fixed. Moving machine or frame. The distance is about 0.6 meters to 0.9 meters. A soft insulating material should be used to fix the cable clamp to avoid friction and damage to the cable. One end of the ground wire of the four-core cable is connected to the ground screw in the junction box, and the other end must be reliably grounded. Small-size vibration motor, there is no junction box on the casing, use a heavy-duty three-core cable to connect directly from the inside of the motor. A grounding screw is installed near the bottom of the motor, and it must be grounded reliably during use. The vibration motor uses heavy-duty bearings, which can carry a certain axial load. Regardless of the installation direction, the bearing life will not be affected by the axial load force. Dismantle the bearing: remove the protective cover at both ends of the vibrating motor, record the percentage value of the exciting force when the eccentric block is working, so as to restore the original working state during installation; remove the retaining rings at the two shaft ends; loosen the outer eccentric block Tighten the bolts and remove the outer eccentric block. Loosen the fastening bolts of the inner eccentric block, remove the inner eccentric block; remove the bearing gland from the bearing housing, press out the bearing from the bearing housing or use suitable bolts to eject it; clean the oil stains of all parts. Bearing installation: When replacing the vibration motor with a new bearing, you must use the same bearing as the original model, wash it with kerosene and press it into the bearing seat, and fill the ball on the outer ring of the bearing with Shell No. 3 lithium base grease to two-thirds full. Spread evenly with clean hands, install the bearing gland, and tighten the bearing gland with fastening bolts coated with bolt anti-loosening glue; install the bearing seat on the housing, if there is a grease injection hole, it must be aligned. Tighten the bearing seat with fastening bolts coated with bolt anti-loosening glue; install the inner and outer eccentric blocks on the rotating shaft and in place, install the shaft retaining ring on the rotating shaft; fasten the eccentric block fastening bolts, and rotate the adjustable eccentric block, Bring it to the angular position before removal and tighten its fastening bolts. After the above assembly is completed, the shaft should have a certain axial series movement; matters needing attention: the horizontal vibration motor is not allowed to run without a protective cover; the electric control system should have a reliable grounding device and protection device, such as phase loss protection, overpass Current protection, overheat protection, etc.; after the first use or prevention for a long time, the stator coil insulation should be measured with a 500V megger before use. The insulation resistance should not be lower than 10M. If this value is not reached, the motor must be used. Drying treatment; the following items must be checked before operation: whether the installation of the vibration motor and fasteners are firm and reliable; whether the connection of the vibration motor power cable is correct and firm; whether the grounding and protection devices of the vibration motor are in place; always pay attention to its operation, If there are abnormal conditions such as overheating, abnormal noise, serious oil leakage, etc., stop the machine for inspection and treatment in time.
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