Linear movement buffering type speed change control mechanism and automatic speed change device

A control mechanism and mobile technology, applied in the direction of transmission control, mechanical equipment, components with teeth, etc., can solve the problems of lack of compactness of the vehicle structure and loose assembly fit, etc., and achieve light weight and optimized design , small size effect

Inactive Publication Date: 2013-07-17
无锡金田元丰科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, compared with foreign countries, domestic pure electric vehicles still have problems such as lack of compact vehicle structure and loose coordination between various assemblies.

Method used

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  • Linear movement buffering type speed change control mechanism and automatic speed change device
  • Linear movement buffering type speed change control mechanism and automatic speed change device
  • Linear movement buffering type speed change control mechanism and automatic speed change device

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Embodiment Construction

[0022] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.

[0023] Such as figure 1 and figure 2 As shown, according to an exemplary embodiment of the present invention, the automatic transmission device includes a housing 1 and a servo motor 2 located in the housing, a synchronizer 10, a high speed gear 11, a low speed gear 12, a shift controller (not shown) and The linear movement speed change control mechanism, the shift controller controls the rotation of the servo motor 2 according to the user's shift command and stops the servo motor according to the shift end signal sent by the linear movement speed change control mechanism. The linearly moving variable speed control mechanism is installed in the transmission housing 1, and includes: a transmission screw 3, one end of which is fixed to the output shaft of a servo motor 2; Move in the axial direct...

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Abstract

The invention provides an automatic speed change device and a linear movement buffering type speed change control mechanism thereof. The linear movement buffering type speed change control mechanism comprises a transmission screw rod fixed to an output shaft of a servo motor, a screw meshed to the transmission screw rod and capable of moving in the direction of the axis of the transmission screw rod, a shifting fork mounted between two buffering springs and capable of being pushed by the two buffering springs to horizontally move, a sensing element arranged on the screw and used for indicating moving distance of the shifting fork, and a gear sensor. A meshing portion and a spring mounting groove which are meshed are formed on the screw, the two buffering springs are mounted in the spring mounting groove which is arranged at the other end opposite to the meshing portion, and when the sensing element is detected, corresponding shifting end signals are given out. The scheme combining embedded computer control with mechanical fault-tolerant technology is adopted, so that shifting comfortability, reliability and practicability are all improved effectively, and the problem of gear shifting of a two-gear-type automatic speed changer is solved.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a linear movement buffer type speed change control mechanism and an automatic speed change device. Background technique [0002] During the "Eighth Five-Year Plan" period, pure electric vehicles were listed as key research and development projects. During the "Ninth Five-Year Plan" period, pure electric vehicles were listed as a major scientific and technological industry project. During the "Tenth Five-Year Plan" period, the "863 Plan" major scientific and technological projects for pure electric vehicles were established. During the "Eleventh Five-Year Plan" period, the "863 Plan" energy-saving and new energy vehicle major projects were established. According to the current national energy development strategy, urban air, environmental protection requirements and the needs of the vast rural market, the research and development, application and promotion of pure electric vehicles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H61/04F16H63/50
Inventor 安玉森朱鸿斌
Owner 无锡金田元丰科技股份有限公司
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