CN212868351U

CN212868351U - Vehicle motor reducer with differential lock

Info

Publication number: CN212868351U
Application number: CN202020982958.6U
Authority: CN
Inventors: 马寅虎; 于伟; 徐聪; 尹龙飞; 王昆明
Original assignee: Hebei De'ao Technology Co ltd
Current assignee: Hebei De'ao Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-02
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses an automobile-used motor reduction gear with differential lock, including retarder casing, differential lock and differential mechanism, differential mechanism is installed to the intermediate position department of the inside bottom of retarder casing, and the intermediate position department at the inside top of retarder casing installs the third bearing, the internally mounted of third bearing has the motor shaft that extends to the retarder casing outside, and motor shaft's bottom installs drive gear, first bearing is all installed to the intermediate position department of the inside both sides of differential mechanism. The utility model discloses install differential lock and half shaft gear to internally mounted at differential lock has locking axle, stator, rotor, second bearing and locking gear, and when the wheel idled or skidded, through locking gear and half shaft gear block, can carry out the speed limit to the drive semi-axis, makes power can transmit to the opposite side wheel, can not only guarantee power take off, still is favorable to reducing power loss.

Description

Vehicle motor reducer with differential lock

Technical Field

The utility model relates to a reduction gear technical field specifically is an automobile-used motor reduction gear with differential lock.

Background

The reducer is an independent part composed of gear drive, worm drive and gear-worm drive enclosed in a rigid shell, is commonly used as a speed reduction drive device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, is widely applied in modern machinery, the output end of a motor for a vehicle is usually connected with the reducer due to the high rotating speed of a rotating shaft, so that the output rotating speed can be reduced, and the speed reduction effect is achieved, when the existing motor reducer for the vehicle is used, the reducer distributes torque to two groups of driving half shafts on average, so that when wheels on two sides pass through different roads, the wheels on two sides are mutually restrained, the phenomenon of wheel slipping or idle running is easy to occur, the driving stability of the vehicle is influenced, the driving force is wasted, and simultaneously, when the existing motor reducer for the vehicle is used, the internal gear of reduction gear uses for a long time and produces wearing and tearing easily, and reduction gear housing is sealed, and the maintenance workman can not directly lubricate the maintenance to the gear, is not convenient for maintain the internal part of reduction gear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile-used motor reducer with differential lock to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile-used motor reducer with differential lock, includes retarder casing, differential lock and differential mechanism, differential mechanism is installed to the intermediate position department of the inside bottom of retarder casing, and the intermediate position department at the inside top of retarder casing installs the third bearing, the internally mounted of third bearing has the motor shaft that extends to the retarder casing outside, and motor shaft's bottom installs drive gear, the intermediate position department of the inside both sides of differential mechanism all installs first bearing, and the inside of first bearing all installs the drive semi-axis that extends to the retarder casing outside, the driven gear with drive gear meshing is all installed in the outside of drive semi-axis, and the outside of drive semi-axis all installs the differential lock, the drive semi-axis outside is just all installing half gear to differential lock position department.

Preferably, the stator is all installed to inside top and the bottom of differential lock, and the inside one side of keeping away from drive gear of differential lock all installs two sets of second bearings, the locking axle is all installed to the inside of second bearing, the rotor is all installed in the outside of locking axle, and the outside of locking axle all installs the locking gear with side gear meshing.

Preferably, the oil filling pipe is installed on two sides of the top inside the differential, and the oil guide pipe extending to the outside of the speed reducer shell is installed on the top of the oil filling pipe.

Preferably, the end of the oil guide pipe, which is far away from the oil filling pipe, is provided with a sealing cover.

Preferably, the bottom of the oil filling pipe is uniformly provided with oil outlets.

Preferably, the outer side of the reducer casing is uniformly provided with radiating fins.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the vehicle motor reducer with the differential lock is provided with the differential mechanism, two groups of first bearings, driven gears and driving half shafts are respectively arranged in the differential mechanism, and the two groups of driving half shafts can be independently driven, so that wheels on one side cannot influence wheels on the other side when the vehicle runs, and the wheels cannot be mutually restrained when the vehicle runs on different road surfaces, thereby being beneficial to improving the running stability of the vehicle;

2. the vehicle motor reducer with the differential lock is provided with the differential lock and the half axle gear, the locking shaft, the stator, the rotor, the second bearing and the locking gear are arranged in the differential lock, and when wheels idle or slide, the locking gear is clamped with the half axle gear to limit the speed of the driving half axle, so that power can be transmitted to the wheels on the other side, power output can be ensured, and power loss can be reduced;

3. this automobile-used motor reducer with differential lock installs oil pipe and notes oil pipe, adds lubricating oil to in the oil pipe, and lubricating oil drips to driven gear and drive gear through the oil outlet of notes oil pipe bottom on, can directly lubricate driven gear and drive gear, and the maintenance workman of being convenient for maintains device internals.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the oil filling pipe of the present invention.

In the figure: 1. a reducer housing; 2. a differential lock; 3. a half shaft gear; 4. a lock shaft; 5. a stator; 6. an oil guide pipe; 7. a motor shaft; 8. a rotor; 9. a differential mechanism; 10. a first bearing; 11. a driven gear; 12. a drive gear; 13. a drive half shaft; 14. a second bearing; 15. a lock gear; 16. a third bearing; 17. an oil filling pipe; 18. heat dissipation fins; 19. an oil outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a vehicle motor reducer with a differential lock comprises a reducer casing 1, a differential lock 2 and a differential mechanism 9, wherein the differential mechanism 9 is arranged in the middle of the bottom inside the reducer casing 1, and a third bearing 16 is arranged at the middle position of the top part in the reducer casing 1, a motor rotating shaft 7 extending to the outside of the reducer casing 1 is arranged in the third bearing 16, and the bottom of the motor rotating shaft 7 is provided with a driving gear 12, the middle positions of the two sides inside the differential mechanism 9 are provided with a first bearing 10, and the first bearings 10 are each internally provided with a drive half shaft 13 extending to the outside of the reducer case 1, the drive half shafts 13 are each externally provided with a driven gear 11 meshing with a drive gear 12, and differential locks 2 are arranged on the outer sides of the driving half shafts 13, and half shaft gears 3 are arranged on the positions, opposite to the differential locks 2, on the outer sides of the driving half shafts 13.

In this implementation:

furthermore, stators 5 are installed at the top and the bottom inside the differential lock 2, two sets of second bearings 14 are installed at one side of the differential lock 2 far away from the driving gear 12, locking shafts 4 are installed inside the second bearings 14, rotors 8 are installed outside the locking shafts 4, locking gears 15 meshed with the half-shaft gears 3 are installed outside the locking shafts 4, if wheels at one side slip or idle, the differential lock 2 is involved, the rotors 8 inside the differential lock 2 are electrified, so that the rotors 8 generate magnetic force, the rotors 8 are influenced by the stators 5 to drive the locking shafts 4 to rotate, the locking shafts 4 drive the locking gears 15 to rotate in the direction opposite to that of the half-shaft gears 3, resistance is applied to the half-shaft gears 3, the rotating speed of the half-shaft gears 3 is reduced, the driving gear 12 generates larger torque to the driving half-shaft 13 at the other side, and the wheels at the other side have larger power, the passing ability of the wheel can be improved.

Further, oiling pipe 17 is all installed to the both sides at the inside top of differential mechanism 9, and oiling pipe 17's top is all installed and is extended to the outside oil pipe 6 of leading of reduction gear housing 1, adds lubricating oil in leading oil pipe 6, and lubricating oil drips to driven gear 11 and drive gear 12 through oiling pipe 17 on, can directly lubricate driven gear 11 and drive gear 12, and the maintenance workman of being convenient for maintains the device internals.

Furthermore, a sealing cover is arranged at one end of the oil guide pipe 6 far away from the oil filling pipe 17, so that lubricating oil can be prevented from leaking out of the oil guide pipe 6, and dust can be prevented from entering the device through the oil guide pipe 6.

Further, the bottom of the oil filling pipe 17 is uniformly provided with oil outlet holes 19, so that the lubricating oil in the oil filling pipe 17 can be uniformly dripped out.

Furthermore, the outer side of the reducer casing 1 is uniformly provided with the heat dissipation fins 18, which is beneficial to improving the heat dissipation effect of the device.

The working principle is as follows: when the device is used, a power supply is provided for the device by an automobile, the motor drives the motor rotating shaft 7 to rotate, the motor rotating shaft 7 drives the driving gear 12 to rotate, the driving gear 12 drives the two groups of driving half shafts 13 to rotate through the driven gear 11, and then the wheels can be driven, when the wheels run on different roads, if the wheels on one side slip or idle, the differential lock 2 is inserted, the rotor 8 in the differential lock 2 is electrified, so that the rotor 8 generates magnetic force, the rotor 8 is influenced by the stator 5 to drive the locking shaft 4 to rotate, so that the locking shaft 4 drives the locking gear 15 to rotate in the direction opposite to that of the half shaft gear 3, and applies resistance to the half shaft gear 3, thereby slowing down the rotating speed of the half shaft gear 3, so that the driving gear 12 generates larger torque to the driving half shaft 13 on the other side, so that the wheels on, when needing lubricated driven gear 11 and drive gear 12, the maintenance workman can open the sealed lid on leading oil pipe 6, then adds appropriate amount lubricating oil to leading oil pipe 6 inside, and lubricating oil evenly drips to driven gear 11 and drive gear 12 through leading in oil pipe 6 flows into oiling pipe 17 in, through the oil outlet 19 of oiling pipe 17 bottom on 11 and the drive gear 12, can lubricate driven gear 11 and drive gear 12.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a motor reducer for vehicle with differential lock, includes retarder housing (1), differential lock (2) and differential mechanism (9), its characterized in that: a differential (9) is arranged in the middle of the bottom inside the speed reducer shell (1), and a third bearing (16) is arranged at the middle position of the top part in the speed reducer shell (1), a motor rotating shaft (7) extending to the outside of the reducer shell (1) is arranged in the third bearing (16), a driving gear (12) is arranged at the bottom of the motor rotating shaft (7), first bearings (10) are arranged at the middle positions of two sides in the differential (9), and the inside of the first bearing (10) is provided with a driving half shaft (13) extending to the outside of the reducer shell (1), the outer sides of the driving half shafts (13) are both provided with driven gears (11) which are meshed with the driving gears (12), and differential locks (2) are installed on the outer sides of the driving half shafts (13), and half shaft gears (3) are installed on the positions, right opposite to the differential locks (2), on the outer sides of the driving half shafts (13).

2. The motor reducer for vehicles with differential lock according to claim 1, characterized in that: stator (5) are all installed to inside top and the bottom of differential lock (2), and two sets of second bearing (14) are all installed to the inside one side of keeping away from drive gear (12) of differential lock (2), locking axle (4) are all installed to the inside of second bearing (14), rotor (8) are all installed in the outside of locking axle (4), and locking gear (15) with side gear (3) meshing are all installed in the outside of locking axle (4).

3. The motor reducer for vehicles with differential lock according to claim 1, characterized in that: oil filling pipes (17) are installed on two sides of the top inside the differential mechanism (9), and oil guide pipes (6) extending to the outside of the speed reducer shell (1) are installed on the top of the oil filling pipes (17).

4. A vehicular motor reducer with differential lock according to claim 3, characterized in that: and one end of the oil guide pipe (6) far away from the oil injection pipe (17) is provided with a sealing cover.

5. A vehicular motor reducer with differential lock according to claim 3, characterized in that: oil outlet holes (19) are uniformly formed in the bottom of the oil filling pipe (17).

6. The motor reducer for vehicles with differential lock according to claim 1, characterized in that: and heat dissipation fins (18) are uniformly arranged on the outer side of the speed reducer shell (1).