In order not to disassemble the machine when changing the rubber sleeve, care should be taken to leave a distance in the design;The elastic sleeve pin coupling is to use nylon pin to connect the two halves of the coupling, in order to prevent the pin from sliding out, baffles are arranged at both ends of the pin pin. The structure of the elastic sleeve pin coupling is simple, it is convenient to change the pin, it does not compensate for the offset, and its application is similar to the elastic sleeve pin coupling.
Flexible couplings.
In order to compensate for the axial displacement, attention should be paid to leaving a gap of the corresponding size during installation, and the use of elastic ferrule can compensate for the offset of the two axes, absorb and reduce vibration and buffering, so it is widely used in high-speed shafts with many forward and reverse changes and frequent starts. If the two shafts can be aligned and the stiffness of the shaft is high, a rigid flange coupling can be usedIf the alignment is difficult and the stiffness of the two axes is low, an elastic sleeve pin coupling with compensation ability can be selected.
The centrifugal force caused by high speed is large, and the gear coupling should be selected for high-speed transmission, rather than the slider coupling with eccentricity. The manufacturing, installation, maintenance and cost of couplings, under the premise of meeting the performance requirements, should be selected couplings that are easy to assemble and disassemble, simple to maintain, and low manufacturing costs. The elastic sleeve pin coupling and the shaft mostly adopt an interference fit, and the metal atoms are combined with each other during a long working time.
Flexible couplings.
If there are no relevant tools on the work site, it is difficult to remove the elastic sleeve pin coupling with tools, and it can be cut, so that the elastic sleeve pin coupling is damaged and can not be used again. If the hot dismantling method is used, it is necessary to pay attention to the control of temperature, not to heat to the shaft, and to prevent annealing. On the basis of the original coupling, a tapered taper sleeve is added, and the coupling and the shaft are matched together through the middlepiece taper sleeve.