CN210634704U

CN210634704U - Rear axle stress application reducer assembly of motor tricycle

Info

Publication number: CN210634704U
Application number: CN201921226486.5U
Authority: CN
Inventors: 梁道明
Original assignee: Chongqing Dongba Technology Co ltd
Current assignee: Chongqing Dongba Technology Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-29
Anticipated expiration: 2029-07-31

Abstract

A rear axle stress application reducer assembly of a motor tricycle comprises a reducer, wherein the reducer is provided with an input shaft, a rotating shaft, a first output shaft and a second output shaft, a first driving gear is fixed on the input shaft, a first driven gear and a second driving gear are circumferentially fixed on the rotating shaft, the first driven gear is meshed with the first driving gear, a second driven gear which is sleeved on the first output shaft in an empty way is meshed with the second driving gear, a first combination gear sleeve is arranged between the second driven gear and the first driving gear, the first combination gear sleeve is circumferentially fixed on the first output shaft, the first combination gear sleeve is driven by a first shifting fork, one end of the first output shaft is supported at the end part of the input shaft, a driving gear which is fixed at the other end is meshed with a driving driven gear on a differential shell, an oil pump driving gear is sleeved on the second output shaft in an empty way, combination teeth of the oil pump driving gear correspond to a second, the second combination gear sleeve is driven by a second shifting fork, and a second output shaft is connected with a driving shaft of the hydraulic oil pump.

Description

Rear axle stress application reducer assembly of motor tricycle

Technical Field

The utility model relates to a motor tricycle reduction gear field, in particular to motor tricycle rear axle afterburning reduction gear assembly.

Background

At present, a rear axle reducer of a motor tricycle outputs driving power to wheels through boosting and reducing. However, with the development of three-wheeled motorcycles, the requirement for additional auxiliary functions of the three-wheeled motorcycle is increased, for example, if the automatic unloading function of the vehicle needs to be added, the lifting hydraulic cylinder needs to be arranged to push the cargo box to turn over, the hydraulic oil for driving the lifting hydraulic cylinder to work is provided by a hydraulic oil pump, and the power of the hydraulic oil pump needs to be driven by a power. In the existing motor tricycle with a lifting hydraulic cylinder, the lifting hydraulic cylinder is generally provided with a motor to drive an oil pump to provide hydraulic oil for the lifting hydraulic cylinder, and the oil pump is also used for taking power through a power taking device which is specially arranged between an engine and a reverse gear device, and the power taking device drives the oil pump to provide hydraulic oil for the lifting hydraulic cylinder so as to enable the lifting hydraulic cylinder to work. In the two modes, one mode needs to be additionally provided with the motor, and the other mode needs to be additionally provided with the power take-off device, so that the complexity of the structural layout of the motor tricycle is increased, the integration level of parts is low, the design difficulty of the vehicle is increased, and the manufacturing cost is increased.

Disclosure of Invention

The utility model aims at prior art not enough, provide a motor tricycle rear axle afterburning reduction gear assembly, motor tricycle's wheel and hydraulic oil pump have not only simplified motor tricycle's structure by the reduction gear drive, have optimized the overall arrangement of vehicle, have also improved the integrated level of spare part, have reduced the design degree of difficulty of vehicle.

The technical scheme of the utility model is that: a rear axle stress application reducer assembly of a motor tricycle comprises a reducer, wherein the reducer is provided with an input shaft, a rotating shaft, a first output shaft and a second output shaft which are parallel, one end of the input shaft extends out of a reducer shell, the other end of the input shaft is fixedly provided with a first driving gear, a first driven gear and a second driving gear are circumferentially fixed on the rotating shaft, an outer gear ring of the first driven gear is meshed with the first driving gear, a second driven gear is sleeved on the first output shaft in an empty mode, an outer gear ring of the second driven gear is meshed with the second driving gear, a first combination gear sleeve is arranged between the second driven gear and the first driving gear and is circumferentially fixed on the first output shaft, the first combination gear sleeve is driven by a first shifting fork to correspond to combination teeth arranged on the first driving gear and the second driven gear, one end of the first output shaft is supported in a shaft hole arranged at the end part of the input shaft through a bearing, the fixed drive driving gear of the other end, the drive driving gear is with the drive power of the driven gear meshing output wheel of the fixed drive on the differential mechanism casing, the empty oil pump drive gear that overlaps on the second output shaft, this oil pump drive gear and the meshing of first driven gear, oil pump drive gear is equipped with and combines the tooth, should combine the tooth and correspond with the second combination tooth cover that circumference is fixed on the second output shaft, the second combines the tooth cover to be driven by the second shift fork, the drive power of drive shaft circumference fixed connection output oil pump of second output shaft and a hydraulic oil pump, the casing and the reduction gear housing fixed connection of hydraulic oil pump.

The gear shifting device comprises a first shifting fork, a speed reducer shell, a first combination gear sleeve, a second combination gear sleeve and a first shifting fork, wherein the first shifting fork corresponds to a groove in the first combination gear sleeve, the speed reducer shell is hinged with a shifting pull arm through a support, one end of the shifting pull arm is connected with a shifting stay wire, the speed reducer shell is slidably matched with a shifting fork shaft, the other end of the shifting pull arm is inserted into a hole formed in the shifting fork shaft, and the shifting fork shaft is fixedly connected with the first shifting fork and used for shifting the first combination gear sleeve.

The locking device is characterized in that a locking pin is installed on the speed reducer shell, a spring is arranged between the speed reducer shell and the locking pin, the locking pin is provided with locking teeth, and the locking teeth are used for being inserted into grooves formed in the second shifting fork to form locking of the second combination gear sleeve.

The input shaft, the rotating shaft, the first output shaft and the second output shaft are supported on the speed reducer shell through bearings respectively.

And the second output shaft and a driving shaft of the hydraulic oil pump are matched through an inner spline and an outer spline to form circumferential fixed connection.

The second output shaft circumferentially fixes a second combined gear sleeve through a spline, and the first output shaft circumferentially fixes a first combined gear sleeve through a spline.

And the combined teeth on the first driving gear, the second driven gear and the oil pump driving gear are all inner gear rings.

The first driving gear and the input shaft are of an integrated structure.

The driving gear and the driving driven gear are both helical gears.

The differential mechanism comprises a left half shaft gear, a right half shaft gear, an upper planetary gear and a lower planetary gear, wherein the two half shaft gears are respectively meshed with the two planetary gears, and the two half shaft gears are respectively connected with wheels through half shafts to output power.

Adopt above-mentioned technical scheme: the speed reducer is provided with an input shaft, a rotating shaft, a first output shaft and a second output shaft which are parallel, one end of the input shaft extends out of a speed reducer shell and is used for being connected with an engine output shaft through a transmission shaft, a first driving gear is fixed at the other end of the input shaft, a first driven gear and a second driving gear are circumferentially fixed on the rotating shaft, an outer gear ring of the first driven gear is meshed with the first driving gear, a second driven gear is sleeved on the first output shaft in an empty mode, an outer gear ring of the second driven gear is meshed with the second driving gear, a first combination gear sleeve is arranged between the second driven gear and the first driving gear and is circumferentially fixed on the first output shaft, the first combination gear sleeve is driven by a first shifting fork to correspond to combination teeth arranged on the first driving gear and the second driven gear, one end of the first output shaft is supported in a shaft hole arranged at the end part of the input shaft through a bearing, the fixed drive driving gear of the other end, the drive driving gear is with the drive power of the driven gear meshing output wheel of the fixed drive on the differential mechanism casing, the empty oil pump drive gear that overlaps on the second output shaft, this oil pump drive gear and the meshing of first driven gear, oil pump drive gear is equipped with and combines the tooth, should combine the tooth and correspond with the second combination tooth cover that circumference is fixed on the second output shaft, the second combines the tooth cover to be driven by the second shift fork, the drive power of drive shaft circumference fixed connection output oil pump of second output shaft and a hydraulic oil pump, the casing and the reduction gear housing fixed connection of hydraulic oil pump. During operation, the input shaft is rotated by the transmission shaft drive of motor tricycle, and first driving gear just can rotate along with the input shaft to it is rotatory to drive first driven gear, and first driven gear can drive the second driven gear rotation on the first output shaft through the pivot. At this time, if the first engaging gear sleeve is driven by the first fork to be in a state of being engaged with the engaging gear of the first driving gear, the first driving gear may drive the first engaging gear sleeve to rotate, and if the first engaging gear sleeve is driven by the first fork to be in a state of being engaged with the engaging gear of the second driven gear, the second driven gear may drive the first engaging gear sleeve to rotate. The first rotating combination gear sleeve drives the first output shaft to rotate, and the driving gear on the first output shaft drives the driving driven gear on the differential shell to rotate, so that power is output by the two half-shaft gears of the differential to drive the wheels to rotate. Simultaneously, rotatory first driven gear still can drive oil pump drive gear rotatory, if the second combines the tooth cover to be the state that combines with oil pump drive gear's combination tooth under the drive of second shift fork, then oil pump drive gear just can drive the second and combine the tooth cover rotatory, and the second combines the tooth cover just can drive the second output shaft rotatory, and it is rotatory to be driven the drive shaft of hydraulic oil pump by the second output shaft drive, has realized from this that the reduction gear has still driven the work of hydraulic oil pump when drive wheel is rotatory. Therefore, the wheels and the hydraulic oil pump of the motor tricycle are driven by the speed reducer, so that the number of parts of the motor tricycle is reduced, the integration level of the parts of the motor tricycle is improved, and the hydraulic oil pump is fixed on the speed reducer, so that the complexity of the structural layout of the motor tricycle is reduced, the layout of the motor tricycle is optimized, the design difficulty of the motor tricycle is reduced, and the manufacturing cost is reduced.

The gear shifting device comprises a first shifting fork, a speed reducer shell, a first combination gear sleeve, a second combination gear sleeve and a first shifting fork, wherein the first shifting fork corresponds to a groove in the first combination gear sleeve, the speed reducer shell is hinged with a shifting pull arm through a support, one end of the shifting pull arm is connected with a shifting stay wire, the speed reducer shell is slidably matched with a shifting fork shaft, the other end of the shifting pull arm is inserted into a hole formed in the shifting fork shaft, and the shifting fork shaft is fixedly connected with the first shifting fork and used for shifting the first combination gear sleeve. When the gear shifting device is shifted, one end of the gear shifting pull arm is pulled by the pull wire, the other end of the gear shifting pull arm drives the shifting fork shaft to axially slide, and the first shifting fork fixed on the shifting fork shaft can move along with the shifting fork shaft, so that the first shifting fork controls the first combined gear sleeve.

The locking device is characterized in that a locking pin is installed on the speed reducer shell, a spring is arranged between the speed reducer shell and the locking pin, the locking pin is provided with locking teeth, and the locking teeth are used for being inserted into grooves formed in the second shifting fork to form locking of the second combination gear sleeve. Through the locking of fitting pin, can guarantee that second combination tooth cover when combining together the transmission with oil pump drive gear, second combination tooth cover can not produce axial displacement because of receiving external force, has guaranteed power transmission's stability.

The input shaft, the rotating shaft, the first output shaft and the second output shaft are supported on the speed reducer shell through bearings respectively. The bearings ensure the smooth rotation of the shafts in the speed reducer and reduce the friction between the shafts and the shell.

And the second output shaft and a driving shaft of the hydraulic oil pump are matched through an inner spline and an outer spline to form circumferential fixed connection. The connection and installation of the internal spline and the external spline are simple and convenient, the matching is good, and the circumferential fixation of the second output shaft and the driving shaft of the hydraulic oil pump is also good.

The second output shaft circumferentially fixes a second combined gear sleeve through a spline, and the first output shaft circumferentially fixes a first combined gear sleeve through a spline. The installation of each combination gear sleeve is also simple and convenient, the spline realizes the circumferential fixation of each combination gear sleeve on the output shaft, and the axial sliding of each combination gear sleeve on the output shaft is also ensured.

And the combined teeth on the first driving gear, the second driven gear and the oil pump driving gear are all inner gear rings. The two combined gear sleeves realize meshing transmission through the meshing of the inner teeth and the outer teeth respectively, and the transmission stability is better.

The first driving gear and the input shaft are of an integrated structure, and the first driving gear is better fixed on the input shaft.

The driving gear and the driving driven gear are both helical gears, and the helical gears realize meshing transmission between the driving gear and the driving driven gear, so that the layout of the speed reducer is optimized.

The differential mechanism comprises a left half shaft gear, a right half shaft gear, an upper planetary gear and a lower planetary gear, wherein the two half shaft gears are respectively meshed with the two planetary gears, and the two half shaft gears are respectively connected with wheels through half shafts to output power. The differential mechanism can enable the right and left driving wheels of the rear axle of the motor tricycle to rotate at different rotating speeds, and ensures the normal running of the motor tricycle.

The rear axle stress application reducer assembly of the motor tricycle has stable power transmission and good structural layout. The wheels and the hydraulic oil pump of the motor tricycle are driven by the speed reducer, so that the number of parts of the motor tricycle is reduced, the integration level of the parts of the motor tricycle is improved, and the hydraulic oil pump is fixed on the speed reducer, so that the structural layout complexity of the motor tricycle is reduced, the layout of the motor tricycle is optimized, the design difficulty of the motor tricycle is reduced, and the manufacturing cost is reduced.

The invention is further described with reference to the drawings and the specific embodiments.

Drawings

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

fig. 2 is a sectional view a-a of fig. 1.

In the attached drawings, 1 is a shifting stay wire, 2 is a driving driven gear, 3 is a differential, 3-1 is a planetary gear, 3-2 is a side gear, 4 is a driving gear, 5 is a first output shaft, 6 is a second driven gear, 7 is a first shifting fork, 8 is a first combination gear sleeve, 9 is a first driving gear, 10 is a shifting arm, 11 is a bracket, 12 is a shifting fork shaft, 13 is an input shaft, 14 is a reducer casing, 15 is a second driving gear, 16 is a rotating shaft, 17 is an oil pump driving gear, 18 is a first driven gear, 19 is a second output shaft, 20 is a second combination gear sleeve, 21 is a hydraulic oil pump, 21-1 is a driving shaft, 22 is a second shifting fork, and 23 is a locking pin.

Detailed Description

Referring to fig. 1 to 2, the rear axle boost reducer assembly of the motor tricycle is provided with an input shaft 13, a rotating shaft 16, a first output shaft 5 and a second output shaft 19 which are parallel, and the shafts are supported on a reducer shell 14 through bearings respectively. The bearings ensure the stable rotation of the shafts and reduce the friction between the shafts and the shell. One end of the input shaft 13 extends out of the reducer casing 14 and is connected with an output shaft of the engine through a transmission shaft, and the other end of the input shaft is fixed with a first driving gear 9. The first driving gear 9 and the input shaft 13 are of an integral structure, and the first driving gear 9 is preferably fixed on the input shaft 13. A first driven gear 18 and a second driving gear 15 are circumferentially fixed on the rotating shaft 16, and an outer gear ring of the first driven gear 18 is meshed with the first driving gear 9. The first output shaft 5 is sleeved with a second driven gear 6, and an outer gear ring of the second driven gear 6 is meshed with a second driving gear 15. Set up first combination tooth cover 8 between second driven gear 6 and the first driving gear 9, first combination tooth cover 8 passes through spline circumference to be fixed on first output shaft 5, first combination tooth cover 8 is driven by first shift fork 7 and is corresponded with the combination tooth that sets up on first driving gear 9, the second driven gear 6. First shift fork 7 corresponds with the recess on the first combination tooth cover 8, reducer casing 14 passes through the articulated arm-tie 10 that shifts of support 11, the arm-tie 10 one end of shifting is connected and is shifted and act as go-between 1, sliding fit unification shift fork shaft 12 on reducer casing 14, and the other end of the arm-tie 10 that shifts inserts in the hole that sets up on this shift fork shaft 12, shift fork shaft 12 and first shift fork 7 fixed connection for stir the 8 axial displacement of first combination tooth cover. When the gear shifting device is shifted, one end of the gear shifting pull arm 10 is pulled by the gear shifting pull wire 1, so that the other end of the gear shifting pull arm 10 drives the shifting fork shaft 12 to axially slide, and the first shifting fork 7 fixed on the shifting fork shaft 12 can move along with the shifting fork shaft 12, thereby realizing the control of the first shifting fork 7 on the first combined gear sleeve 8. One end of the first output shaft 5 is supported in a shaft hole arranged at the end part of the input shaft 13 through a bearing, the other end is fixed with a driving gear 4, and the driving gear 4 is meshed with a driving driven gear 2 fixed on a shell of the differential mechanism 3 to output driving power of wheels. The driving gear 4 and the driving driven gear 2 are both helical gears, and the helical gears realize the meshing transmission between the driving gear 4 and the driving driven gear 2, so that the layout of the speed reducer is optimized. The differential mechanism 3 comprises a left half shaft gear 3-2, a right half shaft gear 3-2, an upper planetary gear 3-1 and a lower planetary gear 3-1, the two half shaft gears 3-2 are respectively meshed with the two planetary gears 3-1, the two half shaft gears 3-2 are respectively connected with wheels through half shafts to output power, the differential mechanism 3 can enable two driving wheels of a rear axle of the motor tricycle to rotate at different rotating speeds, and normal running of a vehicle is guaranteed. An oil pump driving gear 17 is mounted on the second output shaft 19 in an empty manner, and the oil pump driving gear 17 is meshed with the first driven gear 18. The oil pump driving gear 17 is provided with a coupling tooth corresponding to a second coupling gear sleeve 20 circumferentially fixed on the second output shaft 19 by a spline, and the second coupling gear sleeve 20 is driven by a second shift fork 22. The first combination gear sleeve 8 and the second combination gear sleeve 20 are simple and convenient to mount, the spline realizes circumferential fixation of each combination gear sleeve on the output shaft, and axial sliding of each combination gear sleeve on the output shaft is also guaranteed. A locking pin 23 is installed on the reducer casing 14, a spring is arranged between the reducer casing 14 and the locking pin 23, and the locking pin 23 is provided with locking teeth which are used for being inserted into a groove arranged on the second shifting fork 22 to form locking of the second combination gear sleeve 20. Through the locking of the locking pin 23, when the second combined gear sleeve 20 is in combined transmission with the oil pump driving gear 17, the second combined gear sleeve 20 cannot move axially due to external force, and the stability of power transmission is ensured. And the combination teeth on the first driving gear 9, the second driven gear 6 and the oil pump driving gear 17 are all annular gears. The two combined gear sleeves realize meshing transmission through the meshing of the inner teeth and the outer teeth respectively, and the transmission stability is better. The second output shaft 19 and a driving shaft 21-1 of a hydraulic oil pump 21 are matched through inner and outer splines to form circumferential fixed connection, driving power of the oil pump is output, the inner and outer splines are connected and mounted conveniently and matched well, and circumferential fixing of the second output shaft 19 and the driving shaft 21-1 of the hydraulic oil pump 21 is good. A connecting plate is arranged between the shell of the hydraulic oil pump 21 and the reducer shell 14, and the connecting plate and the reducer shell 14 penetrate through the shell of the hydraulic oil pump 21 through bolts to form connection and fixation.

When the tricycle works, the input shaft 13 is driven to rotate by a transmission shaft of the tricycle, the first driving gear 9 rotates along with the input shaft 13 and drives the first driven gear 18 to rotate, and the first driven gear 18 drives the second driven gear 6 on the first output shaft 5 to rotate through the rotating shaft 16. At this time, if the first engaging sleeve 8 is engaged with the engaging teeth of the first driving gear 9 by the driving of the first fork 7, the first driving gear 9 drives the first engaging sleeve 8 to rotate, and if the first engaging sleeve 8 is engaged with the engaging teeth of the second driven gear 6 by the driving of the first fork 7, the second driven gear 6 drives the first engaging sleeve 8 to rotate. The rotating first combination gear sleeve 8 drives the first output shaft 5 to rotate, and the driving gear 4 on the first output shaft 5 drives the driving driven gear 2 on the differential shell to rotate, so that power is output by the two half shaft gears 3-2 of the differential to drive wheels to rotate. Meanwhile, the rotating first driven gear 18 can drive the oil pump driving gear 17 to rotate, if the second combination gear sleeve 20 is in a state of being combined with the combination gear of the oil pump driving gear 17 under the driving of the second shifting fork 22, the oil pump driving gear 17 can drive the second combination gear sleeve 20 to rotate, the second combination gear sleeve 20 can drive the second output shaft 19 to rotate, the second output shaft 19 drives the driving shaft 21-1 of the hydraulic oil pump 21 to rotate, and therefore the hydraulic oil pump 21 is driven to work while the speed reducer drives the wheels to rotate. Therefore, the wheels of the motor tricycle and the hydraulic oil pump 21 are driven by the speed reducer, so that the number of parts of the motor tricycle is reduced, the integration level of the parts of the motor tricycle is improved, and the hydraulic oil pump 21 is fixed on the speed reducer, so that the complexity of the structural layout of the motor tricycle is reduced, the layout of the motor tricycle is optimized, the design difficulty of the motor tricycle is reduced, and the manufacturing cost is reduced.

Claims

1. The utility model provides a motor tricycle rear axle afterburning reduction gear assembly, includes the reduction gear, its characterized in that: the speed reducer is provided with an input shaft (13), a rotating shaft (16), a first output shaft (5) and a second output shaft (19) which are parallel, one end of the input shaft (13) extends out of a speed reducer shell (14), a first driving gear (9) is fixed at the other end of the input shaft, a first driven gear (18) and a second driving gear (15) are fixed on the rotating shaft (16) in the circumferential direction, an outer gear ring of the first driven gear (18) is meshed with the first driving gear (9), a second driven gear (6) is sleeved on the first output shaft (5) in an empty mode, an outer gear ring of the second driven gear (6) is meshed with the second driving gear (15), a first combined gear sleeve (8) is arranged between the second driven gear (6) and the first driving gear (9), the first combined gear sleeve (8) is fixed on the first output shaft (5) in the circumferential direction, and the first combined gear sleeve (8) is driven by a first shifting fork (7) and is connected with the first driving gear (9, The combination teeth arranged on the second driven gear (6) correspond to each other, one end of the first output shaft (5) is supported in a shaft hole arranged at the end part of the input shaft (13) through a bearing, the other end of the first output shaft is fixedly provided with the driving gear (4), the driving gear (4) is meshed with the driving driven gear (2) fixed on the shell of the differential mechanism (3) to output the driving power of the wheel, an oil pump driving gear (17) is sleeved on the second output shaft (19) in an empty mode, the oil pump driving gear (17) is meshed with the first driven gear (18), the oil pump driving gear (17) is provided with combination teeth, the combination teeth correspond to a second combination tooth sleeve (20) fixed in the circumferential direction on the second output shaft (19), the second combination tooth sleeve (20) is driven by a second shifting fork (22), and the second output shaft (19) is fixedly connected with the driving power of an output oil pump in the circumferential direction of a driving shaft (21, and the shell of the hydraulic oil pump (21) is fixedly connected with the reducer shell (14).

2. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: first shift fork (7) correspond with the recess on first combination facing (8), gear reducer housing (14) are through support (11) articulated one pull arm (10) of shifting, pull arm (10) one end of shifting is connected and is shifted and act as go-between (1), sliding fit one shifting fork axle (12) on gear reducer housing (14), the other end of the pull arm of shifting (10) inserts in the groove that sets up on this shifting fork axle (12), shifting fork axle (12) and first shift fork (7) fixed connection for stir first combination facing (8) axial displacement.

3. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: install a locking pin (23) on reduction gear casing (14), set up the spring between reduction gear casing (14) and locking pin (23), locking pin (23) are equipped with the locking tooth, and this locking tooth is arranged in inserting the groove that sets up on second shift fork (22), forms the locking to second combination tooth cover (20).

4. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: the input shaft (13), the rotating shaft (16), the first output shaft (5) and the second output shaft (19) are supported on a reducer housing (14) through bearings respectively.

5. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: the second output shaft (19) and a driving shaft (21-1) of the hydraulic oil pump (21) are matched through an inner spline and an outer spline to form circumferential fixed connection.

6. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: the second output shaft (19) circumferentially fixes a second combined gear sleeve (20) through a spline, and the first output shaft (5) circumferentially fixes a first combined gear sleeve (8) through a spline.

7. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: and the combined teeth on the first driving gear (9), the second driven gear (6) and the oil pump driving gear (17) are all annular gears.

8. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: the first driving gear (9) and the input shaft (13) are of an integral structure.

9. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: and the driving gear (4) and the driving driven gear (2) are both helical gears.

10. The motor tricycle rear axle thrust augmentation reducer assembly of claim 1, wherein: the differential mechanism (3) comprises a left half shaft gear, a right half shaft gear (3-2), an upper planetary gear and a lower planetary gear (3-1), the two half shaft gears (3-2) are respectively meshed with the two planetary gears (3-1), and the two half shaft gears (3-2) are respectively connected with wheels through half shafts to output power.