Coupling centering method
A technology of centering adjustment and coupling, applied in instruments, position/direction control, control/adjustment system, etc., can solve the problems of vibration of rotating shaft, broken transmission shaft, overheating of bearings, etc., to maintain the bearing capacity and prolong the use. longevity, ensuring the effect of normal operation
Inactive Publication Date: 2015-04-22
ZHENJIANG CITY YUANCHENG TRANSMISSION MACHINERY
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Problems solved by technology
During the operation of the unit, the vibration of the rotating shaft and the overheating of the bearing will often occur due to the error of the alignment adjustment of the coupling, and sometimes there will be major accidents such as the breakage of the transmission shaft.
Method used
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Experimental program
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Effect test
Embodiment Construction
[0035] Below in conjunction with specific embodiment, further clarify the present invention; A kind of hydraulic coupling installation method comprises the following steps:
[0036] (1) Determine the reference axis;
[0037] (2) Mark a line every 90° on the outer circle of the coupling, and set the two dial indicators in the radial and axial directions to zero at the 0 position, rotate the reference axis and the adjusted axis at the same time, and write down The dial indicator readings of the adjusted shaft rotor at four positions of 0°, 90°, 180°, and 270° a 1 、a 2 、a 3 、a 4 , b 1 , b 2 , b 3 , b 4 ;
[0038] (3) Check the measured data and meet the following requirements: when the reference axis and the adjusted axis are turned 360 at the same time, the pointer of the 2 dial indicator should return to the original position; and meet a 1 +a 3 =a 2 +a 4 ,b 1 +b 3 =b 1 +b 4
[0039] (4) Measure the diameter d of the outer circle of the coupling at the measuring...
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The invention provides a coupling centering method. The coupling centering method comprises the following steps that (1) a reference axis is determined, (2) lines are drawn for marking, (3) data are checked, (4) the diameter d of the outer circle of a coupling is measured, (5) the distance l<1> between the end face of the coupling to be adjusted and the front supporting leg of an adjusted machine and the distance l<2> between the end face of the coupling to be adjusted and the rear supporting leg of an adjusted machine are measured, (6) gaskets are additionally arranged on or dismantled from the front supporting leg and rear supporting leg or the front supporting leg and the rear supporting leg are moved, (7) pre-adjustment is conducted by considering the compensation quantity in advance, (8) adjustment in the vertical direction is conducted firstly for centering, (9) secondary grouting is conducted, and (10) correction is conducted and positioning is conducted by means of dowel reaming. The hydraulic coupling assembly method has the advantages of being high in installation speed, effective, capable of reducing cost, simple, easy to implement, convenient to use and practical, the installation quality of a coupling of a unit can be effectively guaranteed, and normal operation of the unit is guaranteed; the bearing capacity of the coupling is maintained, and the service life of the coupling is prolonged.
Description
technical field [0001] The invention relates to the field of shaft couplings, in particular to a centering adjustment method for shaft couplings. Background technique [0002] Couplings are widely used in various industries as mechanical parts that connect two shafts in different mechanisms, including the driving shaft and the driven shaft, to make them rotate together and transmit torque. In the installation and maintenance of transmission equipment, there are many factors affecting the normal operation of two or more rotating equipment connected by couplings, such as pumps and steam turbines. For example, basic problems, the installation of internal parts of each rotating equipment, etc., will affect the normal operation of the unit. Among them, the centering adjustment of the unit coupling is also an important factor affecting the operation of the unit. During the operation of the unit, the vibration of the rotating shaft and the overheating of the bearing will often oc...
Claims
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Inventor 袁成
Owner ZHENJIANG CITY YUANCHENG TRANSMISSION MACHINERY