The segment assembly machine is driven by a hydraulic system, and there are three types: ring type, hollow axle type, and rack and pinion type.
The segment assembly machines with the hollow axle type and the rack and pinion type are easier to stably control during axial translation. Their braking is convenient and safe, but it is unstable during axial rotation and prone to produce shaking due to the long travel distance and complicated forces. To provide stable axial rotation, a high-rigidity structure is required for the axial rotation.
The ring-type assembly machine (Fig. 4.14b) has a smaller axial distance, lower rigidity requirements, more stable movement during axial rotation, and more stable axial positioning during braking but high requirements for the cantilever beams and general assembly accuracy. The machine features a hollow circular rotation, which can supply more working space even during the machine driving. Meanwhile, the muck transportation operation is not affected as usual and has the characteristics of high positioning accuracy and a relatively simple structure. It is installed mainly for medium and large tunnel sections and is currently the main structural form for segment assembly.
Incepted in 2022, we, Trisha Mr Engineering., are a sole proprietorship firm that is listed at the acme for Importer, Wholesale trader and Exporter of a vast array of Sheet Metal, Wood Working & General Machineries. The comprehensive range of machines offered by us is comprised of Shearing Machine, Press Machine, Pipe Bending Machine, Milling Machine and much more. Owing to the utmost quality of the machine, these are highly acclaimed among the client-base we have garnered so far.
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