Shafting centering calculation method of novel shafting structure under specific centering requirement
A calculation method and a technology of structural shafts, applied in the field of steam turbines, can solve problems such as the lack of a new structural shafting calculation method, and achieve the effect of a wide range of engineering application prospects
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[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0034] figure 1 It is a schematic diagram of a typical structure of a shaft system of a single support structure.
[0035] see Figure 2 to Figure 9 , the present invention is a calculation method for shafting centering of a new type of shafting structure under specific alignment requirements, comprising the following steps:
[0036] 1) Determination of the mechanical boundary conditions of the shaft system of the single support structure.
[0037] Since the shafting installation needs to ensure that the bending moment at each coupling is zero, so under the condition that the bending moment of the coupling is zero, the stress on each bearing and each coupling of the shafting is as follows figure 2 shown. Since the medium-pressure rotor, low-pressure rotor and exciter rotor are all single-support structures, there are shear forces at couplings C1, C2, C3 ...
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