Transfer case

FIELD: mechanical engineering; vehicle transmissions.

SUBSTANCE: proposed transfer case contains primary shaft 1, countershaft 9 and secondary shaft 12 with gear 13 with gear 13. Gearshift mechanism 4 is arranged on primary shaft 1, and gears 7 and 8 are installed on bearings 5 and 6. Gears 7 and 8 are in constant meshing with gears 10 and 11. Gear 13 of secondary shaft 12 is in meshing with one of gears of countershaft. Guide chute with higher pressure space closed by plate 14, oil collector 15 and system of oil channels 16 are made in case.

EFFECT: increased service life and possibility of towing of vehicle over long distances.

2 dwg

 

The invention relates to transmissions of vehicles.

Known transfer case containing the primary shaft located on the gear and mounted on the bearings gears being in constant mesh with the intermediate gear shaft, a secondary shaft with a pinion which engages with one of the gears of the intermediate shaft. Lubrication of the parts is carried out by spraying oil gear mounted on the secondary shaft [1].

The disadvantage of this design, when a large transfer case is the destruction of the bearing shaft and bearings installed on the gears due to the insufficient amount to them of oil.

The technical result achieved by the claimed solution is to ensure the health, improving the durability of the transfer case and the possibility of towing vehicle for long distances.

This result is achieved in that the transfer case containing the drive shaft, located on the gear and mounted on the bearings gears being in constant mesh with the intermediate gear shaft, a secondary shaft with a pinion which engages with one of the gears temporarily the CSOs shaft, in Carter made the guide groove with a cavity of high pressure, a closed plate, oil pan and oil channels.

The claimed technical solution is illustrated by drawings, where:

Figure 1 - transfer case,

Figure 2 - section A-a in figure 1.

The transfer case has a primary shaft 1 mounted on bearings 2 and 3, gear 4 and mounted on the bearings 5 and 6 gears 7 and 8. On the intermediate shaft 9 is installed with permanent engagement with the gear shaft gear 10 and 11. On the secondary shaft 12 mounted gear 13 with a constant mesh with the gear 11. In Carter made the guide groove with a cavity of high pressure, closed by a plate 14, the sump 15 and the oil channel 16.

Does the transfer case as follows. Torque from the shaft 1 through the gear 4, depending on which transmission is transmitted to the gear 7 or 8. Then with gears 10 or 11 of the intermediate shaft 9 torque through the gear 13 is transmitted to the output shaft 12 and then is heard on the front and rear axles of the machine. The oil guiding groove of the gear teeth 13 is forced into the cavity of high pressure and through the hole 17 is discharged into the upper part of the crankcase, where it falls into the sump 15. Across the canal system 16 oil gets inside the shaft 1 and through the radial holes of the bearings 2, 3, 5 and 6.

When towing the machine, to keep the automatic and most manual transmissions, transfer case include neutral [2]. In this case, the lubrication of the bearings 5 and 6 is due to the rotation of the gear 13 of the output shaft 12 of the wheels of the vehicle when stopped primary shaft 1.

The tests sufficient durability and efficiency of the transfer case.

Sources of information

1. The family vehicles "Gazel". Guide to maintenance and repair. Under. edit Yevsektsia. M: "driving", 1999, s - the nearest equivalent.

2. The car family GA-2330 "Tiger". The user guide. JSC "GAZ". N.Novgorod, 2003, .38.

Transfer case containing the drive shaft, located on the gear and mounted on the bearings gears being in constant mesh with the intermediate gear shaft, a secondary shaft with a pinion which engages with one of the gears of the intermediate shaft, characterized in that the crankcase is made the guide groove with a cavity of high pressure, a closed plate, oil pan and oil channels.



 

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