Transmission main box lock stop protection mechanism

A technology for protecting mechanisms and transmissions, applied to mechanical equipment, components with teeth, belts/chains/gears, etc., can solve the problems of gearbox synchronizer damage, synchronizer damage, shortened synchronizer life, etc., to achieve a small number , high reliability and simple structure

Inactive Publication Date: 2016-02-24
SHAANXI FAST GEAR CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Long-term operation in this way will cause great damage to the internal parts of the gearbox, especially the synch

Method used

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  • Transmission main box lock stop protection mechanism
  • Transmission main box lock stop protection mechanism
  • Transmission main box lock stop protection mechanism

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] see figure 1 and figure 2 , figure 1 It is a schematic diagram of the operation structure of the ordinary gearbox, figure 2 This is a partial schematic diagram of the operating mechanism of the present invention. The biggest difference between the two is that a cylinder-piston actuator 4 is added to the original gearbox operating device. When the air pipe 3 and the cylinder have air, the air pressure overcomes the spring force, the piston 5 extends, and there is a corresponding groove on the shift shaft 6, and the two act to limit the rotation of the shift shaft 6; when there is no air in the cylinder At the same time, the piston rod automatically returns under the action of the spring to release the restriction on the shift shaft.

[0024] For the pneumatic connections of the entire system, see image 3 or Figure 4 . At the cab clutch pedal 8 ( image 3 ) or booster pump 9 ( Figure 4 ) Add an on-off valve 2 as a control air valve. The ai...

Example Embodiment

[0031] Example 2 is "vent unlocking":

[0032] like Figure 5 As shown, when there is no gas in the gas pipe 3, the piston 5 interacts with the groove of the shift shaft 6 due to the push of the spring force, the shift shaft cannot rotate, and the driver cannot engage the gear. When there is air in the air pipe and the cylinder, the piston 5 will retreat to the side away from the shift shaft under the action of the air pressure, and the lock of the shift shaft 6 will be released, the shift shaft 6 can be rotated, and the driver can shift gears.

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PUM

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Abstract

The invention discloses a transmission main box lock stop protection mechanism. The transmission main box lock stop protection mechanism comprises a cylinder piston actuation mechanism mounted on a transmission control device, wherein the cylinder piston actuation mechanism is communicated with an air filter or a whole vehicle air source through connecting or disconnecting an air valve; when a clutch is not separated, the cylinder piston actuation mechanism can limit the rotation of a gear shifting shaft; and when the clutch is separated, the cylinder piston actuation mechanism relieves the limit to the gear shifting shaft. The transmission main box lock stop protection mechanism adopts a mechanical-pneumatic mechanism; all pneumatic elements are mechanical; no electric or electronic element is adopted; the mechanical structure resists high or low temperature, is not interfered by electromagnetism, resists moisture and dust, and is suitable for various server working conditions; and all elements adopted by the transmission main box lock stop protection mechanism are simple in structures; and for mechanical parts, the structure is simpler, and the reliability is higher.

Description

【Technical field】 [0001] The invention belongs to the technical field of transmissions, and relates to a lock protection mechanism, in particular to a transmission main box lock protection mechanism. 【Background technique】 [0002] With a manual transmission, the driver must depress the clutch when engaging a gear. However, in actual use, a large amount of professional drivers, such as bus drivers and large truck drivers, do not step on the clutch during gear shifting. Long-term operation in this way will cause great damage to the internal parts of the gearbox, especially the synchronizer, and greatly shorten the life of the synchronizer. What's more, the synchronizer will be damaged instantly. [0003] The present invention designs a pneumatic mechanical gear locking device. If the clutch is not disengaged, the mechanism will limit the rotation of the gear shift lever and prevent the driver from shifting gears, thus reminding the driver to step on the clutch when shifting ...

Claims

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Application Information

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IPC IPC(8): F16H59/02F16H61/18F16H61/22
CPCF16H59/02F16H61/18F16H61/22F16H2059/0234F16H2306/00
Inventor 郭增钢
Owner SHAANXI FAST GEAR CO
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