Gear-shifting gear fixing device
A technology for fixing devices and gears, which is applied to transmission parts, mechanical control devices, transmission control, etc., can solve problems such as deformation of wear-reducing shift fork device parts, and achieve the effect of prolonging service life
Inactive Publication Date: 2017-01-25
HENGYANG ZHONGDI EQUIP PROSPECTING ENG MACHINERY
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AI Technical Summary
Problems solved by technology
It solves the problem of deformation of related parts of the wear-reducing shift fork device due to the gravity of the gear shifting gear
Method used
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Embodiment 1
[0016] Such as image 3 , Figure 4 and Figure 5 As shown, a shifting gear fixing device includes a shifting gear 1 and a shifting gear shaft 2, positioning holes 3 are evenly distributed on the position of the spline groove of the shifting gear shaft 2, and springs 4 and Limiting steel ball 5; the position of the spline inner hole of the shift gear 1 is provided with a neutral slot 6 and a shifting slot 7, wherein when the neutral slot 6 is parallel to the positioning hole 3, the shifting gear 1 is located at the neutral position 10, When the shifting groove 7 is parallel to the positioning hole 3 , the shifting gear 1 is located at the shifting position 11 .
[0017] The working principle of the present invention is as follows:
[0018] Such as image 3 As shown, when the shift gear 1 is in the neutral position, the limit steel ball 5 is supported by the spring 4 and stuck in the neutral slot 6 of the shift gear 1, and the shift gear 1 will not move up and down without ...
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A gear-shifting gear fixing device comprises a gear-shifting gear and a gear-shifting gear shaft. Positioning holes are evenly distributed in a splice groove of the gear-shifting gear shaft. Each hole is internally and sequentially provided with a spring and a limiting steel ball. A neutral gear groove and a gear engagement groove are formed in a spline inner hole of the gear-shifting gear. When the neutral gear groove is parallel to the positioning holes, the gear engagement gear is located at the neutral gear position; when the gear engagement groove is parallel to the positioning holes, the gear engagement gear is located at the gear engagement position. Due to the technical scheme, compared with the prior art, no matter the gear-shifting gear is located at the neutral gear state or the gear engagement state, the limiting steel balls and the springs of the gear-shifting gear can firmly fix the gear-shifting gear, the weight of the gear-shifting gear can not press an anti-friction shifting fork device all the time, and therefore all parts of the anti-friction shifting fork device are free of hidden dangers of compressive deformation, and the service life of the shifting fork device is prolonged.
Description
technical field [0001] The invention relates to a shifting gear device, in particular to a shifting gear fixing device. Background technique [0002] In the mechanical shifting mechanism, when the shifting shaft in the gearbox is installed in the vertical direction, the ordinary shifting gear device (such as figure 1 and 2 Shown) is that the shifting gear 1 can be meshed with the fixed gear 9 by rotating the wear-reducing shift fork device 8 to complete the shifting action of the shifting gear 1. The shortcoming of this structure is: the weight of shifting gear 1 will always be pressed on the wear-reducing shift fork device 8 that toggles shifting gear 1, and some parts of the wear-reducing shift fork device 8 (such as shifting pin shaft, Shift fork, shift fork shaft) has the hidden danger of deformation, which shortens its service life, especially when the weight of shift gear 1 is relatively large, this drawback is particularly prominent. Contents of the invention [...
Claims
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IPC IPC(8): F16H57/023F16H63/32
CPCF16H57/023F16H63/32
Inventor 欧阳志强沈博志谭颖
Owner HENGYANG ZHONGDI EQUIP PROSPECTING ENG MACHINERY