Double-shifting-fork mechanism for rear-arranged three-stage transmission

A transmission and transmission housing technology, applied in the direction of instruments, controlled components, mechanical equipment, etc., can solve the problem that the shift fork mechanism cannot be applied to the rear three-stage transmission, and achieve the effect of strong practicability

Inactive Publication Date: 2016-04-13
CHONGQING XIANYOU TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a double shift fork mechanism for a rear-mounted three-stage transmission, which is used to solve the problem that the shift fork mechanism in the prior art cannot be applied to the improved rear-mounted three-stage transmission. gearbox, etc.

Method used

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  • Double-shifting-fork mechanism for rear-arranged three-stage transmission

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Embodiment Construction

[0027] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0028] See figure 1 . It should be noted that the structure, ratio, size, etc. shown in the accompanying drawings in this specification are only used to match the content disclosed in the specification for the understanding and reading of those familiar with this technology, and are not intended to limit the implementation of the present invention Limited conditions, so it has no technical significance. Any structural modification, proportional relationship change or size adjustment should still fall under the present invention without affecting the effects and objectives that can be achieved by the present invention. The disclosed technical content must be within the scope of coverage. At the same time, the terms such as "upper", "lo...

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Abstract

The invention provides a double-shifting-fork mechanism for a rear-arranged three-stage transmission. The double-shifting-fork mechanism comprises a low-speed-gear shifting fork shaft, a medium-high-speed-gear shifting fork shaft and a transmission shell. A low-speed-gear shifting fork is provided with the low-speed-gear shifting fork shaft. A medium-high-gear shifting fork is provided with the medium-high-speed-gear shifting fork shaft. The center line of the low-speed-gear shifting fork shaft is parallel to the center line of the medium-high-speed-gear shifting fork. Both the front end of the low-speed-gear shifting-fork shaft and the front end of the medium-high-speed-gear shifting fork shaft extend out of the transmission shell. The low-speed-gear shifting fork is close to the front end of the low-speed-gear shifting fork shaft. The medium-high-speed-gear shifting fork is close to the tail end of the medium-high-speed-gear shifting fork shaft. The outer side of the low-speed-gear shifting fork shaft is provided with two first grooves. The outer side of the medium-high-speed-gear shifting fork shaft is provided with three second grooves. The first grooves and the second grooves are provided with shifting fork shaft control mechanisms located on the transmission shell. The double-shifting-fork mechanism is suitable for the rear-arranged three-stage transmission of a tricycle, safe, reliable and high in practicability.

Description

Technical field [0001] The invention belongs to the field of transmissions, and particularly relates to a double shift fork mechanism for a rear three-stage transmission. Background technique [0002] At present, the demand for the load weight of tricycles has increased. The load capacity of tricycles has been increased from 0.5 tons to 2.5 tons. The increase in load not only requires the increase of engine power and output torque, but also the requirements for the transmission system's variable speed and torque capacity. It is difficult for the transmission to meet the requirements of running at heavy load and fast at light load without increasing the engine displacement too high. Therefore, it is necessary to improve the transmission. Due to the change of the clutch position, the existing shift fork mechanism for controlling the clutch is no longer applicable to the improved rear three-speed transmission. Summary of the invention [0003] In view of the above-mentioned shortcom...

Claims

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Application Information

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IPC IPC(8): F16H63/32
CPCF16H63/32
Inventor 徐泽华毛学兵金少华
Owner CHONGQING XIANYOU TECH DEV
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