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Huading science: the definition of coupling

24

2019-07

Huading science: the definition of coupling

Information summary:

Coupling is a kind of equipment which connects two shafts or shafts with rotating parts and rotates together in the whole process of transmitting the driving force of fitness movement. Sometimes it is also used as the safety device to avoid the connected parts to bear too much load, which has the function of overvoltage protection. Coupling coupling. Mechanical components used to securely connect drive and driven shafts in different tissues to rotate together and transmit fitness and torque. Sometimes...

Coupling is a kind of equipment which connects two shafts or shafts with rotating parts and rotates together in the whole process of transmitting the driving force of fitness movement. Sometimes it is also used as the safety device to avoid the connected parts to bear too much load, which has the function of overvoltage protection.

Coupling coupling. Mechanical components used to securely connect drive and driven shafts in different tissues to rotate together and transmit fitness and torque. It is sometimes used to connect shafts to other parts (such as transmission gears, eccentric wheels, etc.). It is usually generated by two sections, which are connected with keys or tight mutual coordination respectively, tighten the end cover of two bearings, and then connect the two sections according to a certain method. The coupling can compensate for the deviation (including radial deviation, axial deviation, angular deviation or comprehensive deviation) caused by inaccurate manufacturing installation, deformation or thermal deformation in the middle of the two shafts; And its impact mitigation, vibration absorption.

Most of the common couplings have been standardized or normalized. Usually, only the type of couplings and the type and specification of couplings must be properly selected. If necessary, it can carry out the strength check and calculation of the load working ability on the weak points of its vulnerable parts; When the rotational speed ratio is high, the centripetal force at the edge and the deformation of the elastic element are calculated.

Coupling can be divided into rigid coupling and flexible coupling.

The rigid coupling does not have the working ability of caching and compensating the relativistic deviation of the two center lines, so the two shafts are strictly aligned. However, this kind of coupling is simple in construction, low in production cost and assembly and disassembly. Convenient maintenance, can ensure that the two shafts have a high weak acid, transmission rotation distance is large, common use. Flange coupling, sleeve coupling and clamp coupling are common.

Flexible couplings can be divided into inelastic flexible couplings and elastic flexible couplings. The former category only has the ability to compensate for the relativistic deflection of the two center lines, but it can not cache shock absorption. The common ones are slider couplings, gear couplings, universal couplings and chain couplings. After class with an elastic element, in addition to having the ability to work of two centerline relative offset compensation, also has the cache and cushioning effect, but the transmission torque by elastic element compressive strength limit, usually inelastic element flexible coupling, is better than common malleable set of dowel pin coupling, ductility column pin coupling, red plum coupling, tyred coupling, serpentine play yellow coupling and reed coupling, etc.


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