To solve the synchronous belt drive design and 3D modeling problem, a synchronous belt drive design system has been developed with the Visual Basic language and SolidWorks platform. Applications have shown that this system can realize design calculation of the synchronous belt drive and the 3D modeling of spare parts and assemblies like the small belt pulley, large belt pulley and synchronous belt, as required by the customer. Also, it has a user-friendly interface, handy operation, simple operation, and accurate design results, to effectively shorten the design period.
[Purpos] in order to solve design problems of the cutter for the seedling vegetable harvester, a reciprocating cutter with a crank linkage mechanism has been designed. [Metho SolidWorks software has been adopted for virtual design of parts and assemblies of the reciprocating cutter for the seedling vegetable harvester. A mathematical model for kinematic analysis of the cutter taking a crank linkage mechanism as its transmission system has been built. Matlab is used for kinematic analysis on the double-crank linkage mechanism from aspects of displacement, velocity and acceleration of followers. [Result The cutter has been applied to the seedling vegetable harvester for the experimental purpose and turned out to operate reliably and produce uniform height and leveling shearing fracture. [Conclusion Results indicate that the cutter has been reasonably designed, which will provide theoretical and practical basis for related design.
[Purpose] To solve problems in design of the cutter for seedling vegetable harvesters, a cutter with a double-eccentric circle cam mechanism has been built. [Method] A mathematical model for kinematic analysis of cutters driven by a double-eccentric circle cam mechanism has been established. Under the model, Matlab has been employed to make kinematic analysis on displacement, speed and acceleration. Also, SolidWorks software has been adopted for virtual design of parts and assemblies of the cutter. [Results] The cutter has been applied to the seedling vegetable harvester for the experimental purpose and turned out to operate reliably and produce uniform height and leveling shearing fracture. [Results] This design will provide theoretical basis and practical reference for relevant researches.
[Purpos Due to the lack of industry standards in the solar greenhouse construction process, this paper has developed a parameterized design system and specified the structure of the vegetable and fruit solar greenhouse in Beijing area. [Metho The design system has been developed taking SolidWorks as a platform and VB as a development tool. [Result Its user interface is simple and friendly and designed results are reliable, which can increase the level of automation in solar greenhouse design process. [Conclusion This is a general-purpose system capable of realizing parameterized modeling of other structures like fruit trees and flowering plants simply through changing the proportionality factor.
In order to solve design problems in the intermittent walking system, a walking system for the pot-seedling hole-forming machine was designed. It is composed of the rack, motor, driving shaft, driving wheel, guide wheel and geneva mechanism. Main structural parameters for this system were determined and a mathematical model for kinematic analysis built. Based on this model, kinematic parameters like displacement, velocity and acceleration were worked out. In addition, a variation curve was established. The prototype test has shown that this system can meet requirements on intermittent walking of the pot-seedling hole-forming machine and features simple structure, low cost, easy handling and maintenance.
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