SU1283122A1 - Motorized wheel - Google Patents

Abstract

FIELD OF THE INVENTION The invention relates to vehicle engineering, in particular to motor wheels of off-road vehicles. The purpose of the invention is to simplify maintenance and increase reliability. The planetary gearbox is located between the wheel hub bearings and contains a second ring gear connected by a second row of fixed satellites to the first one connected to the first ring gear fixed in the hub, the mechanisms for adjusting the clearances in the satellite bearings and the hub, accessible from the outside of the wheel containing coaxial mechanisms of operational and costly night brakes and the latter’s cooling fan and gearbox located on the outer end of the wheel trunnion. At the same time, the output of a hundred night brake is connected to the gearbox and electric motor via torsions, and to the fan impeller via a safety clutch. 1 hp ff, 2 ill. "E

Description

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The invention relates to the transport engineering mainly to off-road vehicles of extra heavy duty vehicles.

The purpose of the invention is to simplify maintenance and increase the reliability of the motor-wheels.

FIG. 1 shows the layout of the proposed motor-wheels; in fig. 2 is a view along arrow A in FIG. 1 (for bearings and clamps).

The motor-wheel contains (fig. 1) coaxial trunnion 1, hub 2 mounted on supports 3 and 4 on the trunnion, electric motor 5 located in the trunnion, brake mechanisms b and 7, planetary gear 8. The planetary gear contains the first crown pin 9 connected to the hub, torsions 10 and 11, first sun gear 12 connected by torsions with an electric motor, second sun neck 13, a series of movable satellites 14 mounted on a movable carrier 15 connected to the second sun gear which engage with the first sun pole rney. The first row of fixed satellites 16 engages with the first ring gear and the second sun gear. The planetary gearbox is located along the common axis 17 of the motor wheel between the bearings 3 and 4 of the hub and contains the second ring gear 18 mounted for rotation inside the axle,. the second row of fixed satellites 19 which engage with the second ring gear, which are coaxial with the satellites of the first fixed row and rigidly connected with them by shafts 20, which are hollow. Coaxial mechanisms 6 and 7, respectively, one hundred night and operational braking are located on the outer end of 21 pins. Motor wheel contains fan

22 cooling gear and brakes. Output

23 mechanisms One hundred night brake connected to the first sun gear and rotor

24 electric motors through torsions, and with impeller 25 of the cooling fan of the reducer and brakes through a safety clutch 26, for example, a friction clutch.

The mechanisms for adjusting the gaps in the unders: the hubs and satellites are equipped with hollow stops 27-29 and clamps 30-32 mounted coaxially on the threads in the cavity 33 of the trunnions, hollow axles 34 and shafts 20 of the satellites. The lumen 35 (Fig. 2) of the lumens of the stops and clamps, more distant from the outer end of the trunnion, is within the lumen 36 less distant. The inputs 37 of the mechanism for adjusting the gaps in the hub bearings and its retainers 30 are located in the gaps 38 of the ventilation windows 39 of the output of the mechanism for the operating brake. The cavity of the hub and gearbox sealed seals 40.

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The stops 27-29 and clamps 30-32 can be made, for example, in the form of hollow screws and counter-screws with internal, for example faceted, turnkey cavities, the outer bearings of the satellites 16 and 19 are equipped with removable covers.

The device works as follows.

Torque from the rotor 24 of the electric motor 5 is transmitted through successively connected torsions 10 and 11 to the sun gear 12 and then through the satellite 14, the carrier 15, the second solar bristle 13 and the satellite 16, the fixed satellite 19, shaft 20 and satellite 16 - on the first ring gear 9 and the hub 2 wheels. The rotation from the rotor 24 through the torsion bar 10 and the coupling 26 is transmitted to the impeller

25 fan torus 22.

The hundred-hour braking torque is transmitted from the brake mechanism 6 through the torsion bar 11 to the first solar bristle 12 and further to the wheel hub. During operational braking, the braking torque from the brake mechanism 7 is transmitted directly to the wheel hub 2.

Atmospheric air injected by the fan 22 cools the brakes 6 and 7 and the outer end 21 of the gearbox 8, the inner wall of which is cooled by the fan of the electric motor 5. Repair of the brakes 6 and 7 and the clutch

26 are made without dismounting the wheel hub.

Work on adjusting the gaps in the bearings 3 and 4 of the hub and the satellites is performed as follows. The hub 2 of the wheel is set to the position corresponding to the described arrangement of the lumens of the lumens of the stops 27-29 and the clips 30-32. Remove the bearing caps of the shafts of the 20 satellites 16. Remove the bearing stops from the retainers 30-32 and, by turning the stops, achieve the necessary clearance in the bearings 3 and 4 of the hub and the satellites 14, 16 and 19. These works can be combined with the repair of the brake the mechanism 7 and the clutches 26 or are executed independently of them.

Claims (2)

1. A motor wheel containing coaxially mounted axle, hub mounted on bearings on a trunnion, an electric motor located in a trunnion, brakes of one hundred night and operational braking, mechanisms for adjusting gaps in bearings, a planetary gear including a first ring gear connected to hub, torsion bars, the first sun bristle connected by torsions with an electric motor, the second sun gear, a number of movably mounted satellites, movably accommodated {1st drove connected with the second solar neck the stubble and carrier axis of said satellites which engage with the first sun gear, the first row of fixed satellites which engage with the first ring gear and the second sun gear, characterized in that, in order to simplify maintenance and increase reliability, the planetary gear is located between the hub bearings and contains a second ring gear mounted for rotation inside the trunnion, the second row of fixedly mounted satellites that engage with the second crown second gear coaxial satellites first fixed row and rigidly associated therewith hollow shafts coaxial with the parking mechanisms and rapid braking and a fan located on August 9 th vnesh9 18 0 3 FIG. I the end face of the axle, with the output of the mechanism of a hundred night brake connected with the first sun gear and the rotor of the electric motor through torsions, and with the impeller the fan through the safety clutch. 2. The motor-wheel according to claim 1, characterized in that the mechanisms for adjusting the gaps in the bearings of the hub and the satellites are provided with hollow stops and retainers mounted coaxially on the threads in the axle cavity, the hollow axles and the shafts of the satellites , more distant from the outer end of the trunnion, located within the lumen less remote, while the inputs of the mechanism for adjusting the gaps in the under-bearing of the hub and its retainer are located in the gaps in the ventilation windows of the flange of the output mechanism of the operating brake.  4-0 FIG. 2