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Mining machinery maintenance and safety

日期:2015-04-13 来源:http://www.wx-hdkj.com/en-news/297.html


Mining machinery maintenance is an extremely important regular work, it should be with the machine's operation and maintenance, and other closely, there should be full-time staff on duty checks.

(1) bearings. Mining machinery bearing shoulder the entire load of the machine, so good lubrication for the bearing life of a great relationship, it directly affects the life of the machine and the operation rate, which requires injection of lubricating oil must be clean, seal must be good.

(2) the newly installed tires prone to loosening must always be checked.

(3) pay attention to check all parts of the machine is working properly.

(4) pay attention to check the degree of wear of wear parts, and pay attention to replacement of worn parts.

(5) put the base of the plane moving device, dust and other materials should be removed so as not to encounter the machine can not be broken material activities bearings can not move on the bottom shelf, resulting in a serious accident.

(6) bearing temperature rise, the reasons should be eliminated immediately stopped and checked.

(7) gear when in operation should be immediately stopped if the impact of the sound check and eliminate it.

How mining machinery vibrating screen installation?

Mining machinery vibrating screen installation: shaker varieties, there shaking screen, circular vibrating screen, resonance screen, vibrating screen, etc., the structure is different. For different users to make reasonable screening machine installation, use and maintenance.

1, shaker preparation before installation: shaker shaker new equipment prior to installation, it should be carefully checked. Due to manufacturing of finished inventory piled longer, such as bearings rust, seals aging or damaged during handling, etc., are experiencing these problems need to be replaced with new parts. Also, as the exciter, the factory is rust, anti-rust oil injected, officially put into operation before the lubricant should be replaced. Should carefully read the instructions before installation, fully prepared.

2, vibrating screen installation:

(A) mounting support or hanging device. Installation, to base leveling, and then follow the hanging device support or parts drawings and installation diagram sieve, sequential installation of the various components. Spring loaded before the end tag should be the actual stiffness values matching.

(2) the screen box are connected to the support or hanging device. Installed, should be required to adjust the angle. For hanging sieve, sieve boxes shall also adjust inclination and horizontal spindle sieve box. Usually the first level degree for horizontal adjustments to eliminate the deflection screen box. Horizontal correction, and then adjust the vertical angle of the screen box. Isolation of the spring force should be uniform, the force of compression spring by measuring the amount of judgment. Generally feed side groups must be the same amount of compression springs, spring discharge end of the two groups should be the case. And the discharge end of the feed end of the spring compression can vary.

(3) Install the motor and the triangle tape. Installation, the motor should be based leveling motor level needs to be corrected, two belt wheel alignment should coincide with the center line of the groove, triangle belt tension requirements appropriate.

(4) required to install and secure the screen surface.

(5) Check the sieve of the connecting member (such as plate, vibrator, etc.) in a fixed condition, the screen should be uniform tension to prevent local vibration. Check the transmission part of the lubrication, motor and control box wiring is correct, and hand rotation transmission parts, check whether the normal operation.

(6) Check the sieve into the material, the material and sieve funnel chute at work without collisions.

3, shaker commissioning: screening machine installed, should be empty commissioning, initial inspection installation quality, and make the necessary adjustments.

(1) sieve empty commissioning time shall not be less than 8h. During this time, a smooth start quickly observe whether a sieve, vibration and operation is stable, no special noise by observing the amplitude amplitude licensing compliance.

(2) sieve operation, vibration sieve box should not produce yaw. In case of yaw, the reason may be on both sides of the spring height is too large, hanging rope pull uneven rotation axis is not horizontal or triangular tape too tight, should be adjusted accordingly.

(3) driving 4h, the bearing temperature is rising, and then remained stable. Maximum temperature does not exceed 75 ℃, the temperature rise should not exceed 40 ℃.

(4) If after driving unusual noise or bearing temperature rise sharply, should immediately stop and check whether the axis rotational flexibility and lubrication is good and so on, until then start troubleshooting.

(5) 2-4h after driving down to check whether the connecting parts loose, if loose, to be fastened before driving.

(6) If there is no fault test after 8h before the installation project acceptance.