AT automatic gearbox emergency gear locking device
A technology of automatic transmission and locking device, which is applied in transmission control, components with teeth, belts/chains/gears, etc., can solve problems such as vehicle damage, affecting vehicle maneuverability, and gearbox damage, and achieve operational Convenience, the effect of returning to the position after emergency gear shifting
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Embodiment 1
[0029] This embodiment discloses an emergency gear locking device for an AT automatic transmission, which includes a spring leaf 1 and an emergency outer pull arm 2 .
[0030] see figure 1 , the lower end of the spring piece 1 is fixed on the oil pan of the gearbox with a plurality of bolts, the spring piece 1 is connected with a fixed pin 3, the connection method is welding or riveting, and the fixed pin 3 is perpendicular to the plate surface of the spring piece 1 And close to the upper end of spring leaf 1.
[0031] The emergency outer pull arm 2 is connected with the emergency shift shaft by a flat key, and the emergency shift shaft is screwed into the nut 5 to limit the axial position of the emergency outer pull arm 2. The emergency shift shaft is located directly below the spring leaf 1 and is connected to the spring The board surface of the sheet 1 is vertical, and the emergency outer pull arm 2 is located on the side of the spring sheet 1 facing away from the gearbox ...
Embodiment 2
[0040] This embodiment discloses an emergency gear locking device for an AT automatic transmission, which includes a spring leaf 1 and an emergency outer pull arm 2 .
[0041] see figure 1 , the lower end of the spring leaf 1 is fixed on the oil pan of the gearbox, the spring leaf 1 is connected with a fixed pin 3, the fixed pin 3 is perpendicular to the plate surface of the spring leaf 1 and is close to the upper end of the spring leaf 1.
[0042] The lower end of the emergency pull arm 2 is connected to the emergency shift shaft. The emergency shift shaft is located directly below the spring leaf 1 and is perpendicular to the plate surface of the spring leaf 1. The emergency pull arm 2 is located on the spring leaf 1 and faces away from the gearbox. side of the body.
[0043] The emergency outer pull arm 2 is provided with an eccentric hole 201 and a pin hole 202 for inserting the fixing pin 3, the length direction of the eccentric hole 201 is consistent with the length dir...
Embodiment 3
[0049] The main structure of this embodiment is the same as that of Embodiment 2, further, refer to figure 2 The side of the emergency pull arm 2 facing the spring leaf 1 is provided with two grooves 4, and the two grooves 4 are respectively located on both sides of the pin hole 202. The design of the groove 4 can ensure The force on the spring leaf 1 will not be too large, which is conducive to realizing the return of the AT automatic transmission after the emergency gear is engaged.
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