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Numerical design method for gear groove contour curve of switch with spring-stop pin structure

A technology of contour curve and design method, applied in the direction of calculation, electrical digital data processing, special data processing application, etc., can solve the problems of high cost, high risk, long development cycle, etc.

Inactive Publication Date: 2015-11-11
FUZHOU UNIV
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Problems solved by technology

The traditional development mode of switches has high requirements on the experience of engineers, and design experience of similar products is required, otherwise there is no way to start; there are many repetitions, relatively high risks, long development cycle and high cost

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  • Numerical design method for gear groove contour curve of switch with spring-stop pin structure
  • Numerical design method for gear groove contour curve of switch with spring-stop pin structure
  • Numerical design method for gear groove contour curve of switch with spring-stop pin structure

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Embodiment Construction

[0089] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0090] Please refer to figure 1 , figure 2 , image 3 and Figure 5 , the present invention provides a method for numerically designing the contour curve of a gear groove of a switch with a spring-gating pin structure, and provides a switch with a spring-gating pin structure. A shaft 3 is arranged in the gear slot 2, and the shaft 3 can be driven by a handle (not shown in the figure) to rotate around the axis. A round hole 4 is arranged in the radial direction of the shaft 3, and a A gear pin 5, a spring 6 is arranged inside the gear pin 5, and the top of the gear pin 5 is in contact with the contour curve of the gear groove 2, and the spring-gear pin structure switch can be provided with one or more gears as required bit, Figure 8 The illustrated embodiment is a schematic diagram of the structural switch profile curves of three gears. There are ...

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Abstract

The present invention relates to a numerical design method for a gear groove contour curve of a switch with a spring-stop pin structure. The method comprises the following steps of: S1: without considering friction work, directly calculating change quantity delta s of spring compression amount according to a given torque-angle curve and an energy method, wherein the torque in the torque-angle curve is a torque T of a system of the switch with the spring-stop pin structure, and the angle is an angle delta at which a stop pin rotates; S2: with considering the friction work, performing iterative correction on the change quantity delta s of the spring compression amount to obtain a change quantity correction value delta s k of the spring compression amount; and S3: determining a final gear groove contour curve according to the change quantity correction value delta s k of the spring compression amount. According to the numerical design method for the gear groove contour curve of the switch with the spring-stop pin structure, the energy method and an iteration method are adopted to perform design solving, the gear groove contour curve of the switch with the spring-stop pin structure is designed, and then production is performed. Different from a conventional development mode for manufacturing and repeatedly modifying a gear groove contour entity model, the method provided by the present invention has the advantages of short development cycle, low cost and little dependence on engineer experience.

Description

technical field [0001] The invention relates to a method for numerically designing the profile curve of a gear groove of a switch with a spring-gating pin structure. Background technique [0002] In the past, when designing a switch, it was often based on the theoretical torque-angle curve to design a preliminary realization structure, and to design and realize the theoretical torque-angle curve according to the engineer's experience. The gear groove contour curve of the theoretical torque-angle curve is designed. A verification-design modification cycle is required to finalize the design data. The traditional development mode of switches has high requirements on the experience of engineers, and design experience of similar products is required, otherwise there is no way to start; there are many repetitions, relatively high risks, long development cycle and high cost. Contents of the invention [0003] The object of the present invention is to provide a numerical design m...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 王伟姚华忠
Owner FUZHOU UNIV
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