Tapered pin coupling

The pin-type coupling is an elastic coupling widely used in mechanical transmission systems. Its core structure consists of two half-couplings, pins, and fasteners. Torque transmission and displacement compensation between the two shafts are achieved through the elastic deformation of the pins. This type of coupling is particularly suitable for applications involving frequent starts and stops as well as frequent changes in rotation direction.

This coupling uses non-metallic materials such as nylon 6 or phenolic cloth plates as the pin elements, offering excellent cushioning and shock-absorbing properties. It can effectively absorb impact loads in the transmission system, thereby reducing equipment vibration. Its compensation capability covers axial, radial, and angular misalignments; specifically, the angular compensation capacity can reach up to 0.5°, while the radial compensation range varies from 1.5 to 5 mm depending on the model. The torque transmission range spans from 630 to 980,000 N·m, and it is suitable for shaft hole diameters ranging from 25 to 600 mm, with a maximum rotational speed of up to 3,800 r/min.

The pin-type coupling is particularly well-suited for heavy machinery applications in industries such as metallurgy, mining, and cement. It demonstrates stable performance in equipment like vertical kiln discharging drives and cone crushers. Its structural features include: two shaft sleeves that can be installed interchangeably, facilitating on-site maintenance; an operating temperature range of -20°C to +70°C, with the need to avoid high temperatures that could degrade material properties; and strict control over the concentricity of the two shafts during installation to prevent the pins from fracturing due to eccentric loading.

Compared to rigid couplings, pin-type couplings achieve flexible connection through elastic elements, which not only maintain transmission efficiency but also significantly enhance the system's ability to adapt to dynamic loads. Regularly inspecting for pin wear and loose fasteners can ensure its long-term stable operation.