6.2.1. Features of a design

Fig. 6.3. Transmission: 1 – gear wheel of the IV transfer; 2, 12, 20, 30, 77 – the blocking rings of synchronizers; 3 – coupling of turning on of the synchronizer III and IV of transfers; 4, 7, 33, 34, 75 – spring rings of the synchronizer; 5 – nave of the synchronizer III and IV of transfers; 6, 23, 68 – synchronizer crackers; 8, 32 – persistent washers; 9 – switching fork III and IV transfers; 10, 18, 102 – pins; 11, 31, 74, 82, 93, 96 – lock rings; 13 – switching fork rod III and IV transfers; 14 – gear wheel of the III transfer; 15, 36, 78 – persistent half rings; 16, 35, 66 – locking rings; 17 – gear wheel of the II transfer; 19 – fork of switching of I and II transfers; 21 – coupling of turning on of the synchronizer I and II of transfers; 22 – rod of a fork of switching of I and II transfers; 24 – nave of the synchronizer I and II of transfers; 25 – gear wheel of the I transfer; 26 – persistent needle bearing of a gear wheel of the I transfer; 27 – basic washer; 28 – spring ring; 29 – bearing of a secondary shaft; 37 – roller bearing of a secondary shaft; 38 – needle bearing of a gear wheel of the I transfer; 39 – needle bearing of a gear wheel of the II transfer; 40 – needle bearing of a gear wheel of the V transfer; 41 – secondary shaft; 42 – needle bearing of a gear wheel of the III transfer; 43 – needle bearing of a gear wheel of the IV transfer; 44 – external ring of the roller bearing of a secondary shaft; 45 – stopper; 46 – magnet; 47 – transmission case; 48 – laying of a case of the transmission; 49 – switch of lamps of light of a backing; 50 – roller bearing of a main shaft; 51 – a lead with a rod of the V transfer; 52 – doggie; 53 – spring of a doggie; 54, 61, 71, 72, 79, 81, 84 – bolts; 55, 59, 87 – traffic jams of clamps; 56, 58, 88 – springs; 57, 89 – clamps; 60 – blocking mechanism pin; 62 – arm of a fork of inclusion of the V transfer; 63 – axis of a fork of inclusion of the V transfer; 64 – fork of inclusion of the V transfer; 65 – fork crackers; 67 – the conducted gear wheel of the V transfer; 69 – transfer synchronizer V nave; 70 – laying of a cover; 73 – transmission cover; 76 – coupling of turning on of the synchronizer V of transfer; 80 – arm of a doggie; 83 – leading gear wheel of the V transfer; 85 – magnet; 86 – intermediate case; 90 – arm of a doggie; 91 – main shaft; 92 – block of gear wheels; 94 – ball bearing of the block of gear wheels; 95 – screw; 97 – rod of a fork of inclusion of an intermediate gear wheel of a backing; 98 – axis of an intermediate gear wheel of a backing; 99 – intermediate gear wheel of a backing; 100 – washer; 101 – fork of inclusion of an intermediate gear wheel of a backing

On the car the five-step mechanical transmission (fig. 6.3) is installed.

The transmission is executed according to the two-shaft scheme with five synchronized transfers of the forward course and one not synchronized transfer of a backing. The transmission and the main transfer with differential have the general case; besides, the transmission is supplied with an additional intermediate case and a cover. The main shaft is pressed in the block of gear wheels and connected to it vents.

On secondary the leading cylindrical gear wheel of the main transfer, the conducted gear wheels and synchronizers of transfers are established to a shaft of the transmission. Couples of gear wheels of the forward course of the transmission are in continuous gearing. Gear wheels of the I-V transfers in neutral situation freely rotate on secondary to a shaft.

Transfers of the forward course join axial movement of the corresponding couplings of the synchronizers installed on secondary to a shaft. Transfer of a backing joins movement of an intermediate gear wheel of a backing along the axis.

The mechanism of gear shifting is located in the cover established from above on a transmission case.

Fig. 6.4. Main transfer and differential: 1 – speedometer drive reducer shaft gear wheel; 2 – speedometer drive reducer case; 3, 12, 34 – sealing rings; 4, 11, 19, 31, 37 – bolts; 5 – lock plate; 6 – transmission cover; 7, 33 – external rings of bearings of differential; 8 – adjusting nut of bearings; 9 – clamp plate; 10 – washer; 13, 36 – epiploons; 14 – axis of satellites of differential; 15 – clamp of an axis of satellites; 16, 30 – conic roller bearings of differential; 17 – laying; 18 – lower cover; 20 – differential case; 21, 26 – persistent washers; 22, 25 – semi-axial gear wheels; 23, 27 – persistent washers of satellites; 24 – satellites; 28 – the conducted gear wheel of the main transfer; 29 – leading gear wheel of the drive of a speedometer; 32 – transmission case; 35 – right cover of bearings of differential

The main transfer (fig. 6.4) is executed in the form of couple of cylindrical gear wheels which are picked up for noise. The torque is transferred from the conducted gear wheel of the main transfer to differential and further to drives of forward wheels.