CN208845665U - Drive the convertible penetrating bridge main speed reducer assembly of pattern - Google Patents
Drive the convertible penetrating bridge main speed reducer assembly of pattern Download PDFInfo
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- CN208845665U CN208845665U CN201821200586.6U CN201821200586U CN208845665U CN 208845665 U CN208845665 U CN 208845665U CN 201821200586 U CN201821200586 U CN 201821200586U CN 208845665 U CN208845665 U CN 208845665U
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Abstract
The utility model discloses a kind of convertible penetrating bridge main speed reducer assemblies of driving pattern, belong to automobile repacking field.The purpose of this utility model is to provide a kind of simple penetrating bridge main speed reducer assemblies of structure, realize the conversion of 6 × 4 drivings and 6 × 2 drivings, meet the requirement of vehicle timesharing driving, while solving existing timesharing driving structure complexity, the problem of inter-axle differential insufficient lubrication, repacking property difference.By the way that timesharing driving structure to be set to the rear end of inter-axle differential and differential lock in the utility model, it can be realized by differential drive and not by the two ways of differential drive, realize the conversion of 6 × 4 drivings and 6 × 2 drivings.
Description
Technical field
The utility model belongs to automobile repacking field.
Background technique
The tractor or load-carrying vehicle of current 6 × 4 driving, jackshaft is penetrating bridge, and penetrating bridge main speed reducer is mainly by middle rear axle
The composition such as inter-axle differential and differential lock, jackshaft retarder and differential mechanism.When vehicle driving, in, rear axle be driving wheel, can
Bigger driving force is provided, but drive efficiency is low, fuel consumption is big when deadhead operation.
With Automobile Transportation improved efficiency, the development trend of fuel-saving environmental protection, current a variety of vehicles use 4 × 2 drivings, transport
It is high-efficient, but bearing capacity is smaller compared to 6 × 4 vehicles or 6 × 2 vehicles.
Patent document CN102180092B proposes a kind of commercial vehicle through type double-rear-axle time-sharing driving device, for passing through
Logical bridge main reducing gear, provides the conversion of 6 × 4 and 6 × 2 two kinds of drive forms.Its primary structure is to be arranged in inter-axle differential
The front end of jackshaft roller gear, and increase shift fork, tooth set with transition gear structure, by tooth set with axle shaft gear engage with take off
It opens and realizes timesharing driving.This timesharing driving structure is arranged in inter-axle differential front end, considerably increases the axial ruler of penetrating bridge
It is very little, it is unfavorable for the arrangement of transmission shaft, while preposition inter-axle differential lubricating status is extremely bad, jackshaft inputs end bearing easily
There is ablation.In addition the integrated level of the technology is higher, and under same intensity, each element size, weight are big, and structure is complicated, manufacture
It is big with assembly difficulty.
Summary of the invention
The purpose of this utility model is to provide a kind of simple penetrating bridge main speed reducer assemblies of structure, realize 6 × 4 drivings
With the conversion of 6 × 2 drivings, meet the requirement of vehicle timesharing driving, while solving existing timesharing driving structure complexity, shaft space difference speed
The problem of device insufficient lubrication, repacking property difference.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of convertible penetrating bridge main speed reducer assembly of driving pattern, mainly by inter-axle differential and differential lock, timesharing
Driving structure, to rear axle output end, main reducer of middle axle and jackshaft inter-wheel differential form；It is poor that timesharing driving structure is located between centers
The rear end of fast device and differential lock；Inter-axle differential and differential lock and main reducer of middle axle are sequentially connected,
Inter-axle differential and differential lock are mainly locked into gas-tpe fitting 1, piston I 2, mobile tooth by shaft space difference speed and cover I 3, shift fork
Axis I 4, shift fork I 5, end face thrust bearing 6, return spring I 7, active roller gear 8, differential carrier 9, cross axle 10, planet tooth
Wheel 11, rear bevel gear 12, differential mechanism rear bearing 13, differential mechanism fore bearing 28 and active cylindrical gear shaft 30 form.
Active cylindrical gear shaft 30 inputs flange 27 with penetrating bridge respectively by spline and cross axle 10 is connected, front end
It is supported on front housing 29 by differential mechanism fore bearing 28, wherein rear end passes through end face thrust bearing 6, needle bearing I 31, rolling respectively
Needle bearing II 32 is supported on active roller gear 8 and rear bevel gear 12.Mobile tooth set I 3 is mounted on active cylinder by spline
On gear shaft 30.It is machined with fixed tooth on active roller gear 8 and covers I 8-1, and is integrated with preceding bevel gear 8-2.Cross axle 10 is pacified
On four planetary gears 11, planetary gear 11 is engaged with preceding bevel gear 8-2 and rear bevel gear 12.Bevel gear 12 passes through difference afterwards
Fast device rear bearing 13 is supported on reducing gearbox 34.It is normal discrete state that fixed tooth, which covers I 8-1 and mobile tooth set I 3,；
Shift fork I 5 is mounted in shift fork axle I 4, and the leg of shift fork I 5 is inserted into the groove on mobile tooth set I 3；Shift fork axle I
4 both ends are respectively supported in two circular holes on rear shell front end and front housing 29, and I 7 sets of return spring in shift fork axle I 4, are located at
Between shift fork I 5 and rear shell；I 4 outside of shift fork axle is fixedly mounted in piston cylinder I, and piston I 2 is installed in piston cylinder I, and shaft space difference speed is locked into
Gas-tpe fitting 1 is communicated with piston cylinder I.
Timesharing driving structure mainly by air inlet pipe fitting 14, piston II 15, snap ring 16, shift fork axle II 17, needle bearing 18,
Shift fork II 19, return spring II 20, spacer 21, mobile tooth set II 22 and perforation axis 23 form；
Perforation 23 front end of axis is supported on rear bevel gear 12 by needle bearing 18, and rear end is supported on axle housing 24 by bearing 25
On, and connect by spline with output flange 26.Needle bearing 18 carries out axial restraint, mobile tooth by snap ring 16 and spacer 21
II 22 are covered to connect by spline with perforation axis 23.Bevel gear 12 is machined with II 12-1 of fixed tooth set above afterwards；Fixed tooth covers 12-1
Normal meshing state is in mobile tooth set II 22；
The both ends of shift fork axle II 17 are respectively supported in two circular holes being arranged in the middle part of rear shell, and shift fork II 19 is mounted on shift fork
On axis II 17, II 19 leg of shift fork is inserted into the groove on mobile tooth set II 22；II 20 sets of return spring in shift fork axle II 17
On, it is mounted between shift fork II 19 and rear shell；II 17 outside of shift fork axle is fixedly mounted in piston cylinder II, and piston II 15 installs piston cylinder
In II, air inlet pipe fitting 14 is communicated with piston cylinder II.
The utility model has the advantage that
1, structure is simple, can reequip on the basis of existing drive axle,
2, have the function of timesharing driving, 6 × 4 drivings and 6 × 2(or 4 × 2 may be implemented) drive turning for two kinds of forms
It changes, achievees the effect that timesharing drives.Cooperate the use of floating rear axle, rear axle can be disconnected and be promoted, and can effectively reduce fuel oil
Consumption, making vehicle not only has the bearing capacity of tandem axle, but also mobility and flexibility with single drive axle, is suitble to one way full
It carries, the heavy truck of backhaul empty driving meets the job requirements such as Wood Transportation, shipping in bulk or construction.
3, penetrating bridge assembly structure is simple, and axial dimension is small, light-weight.
4, inter-axle differential lubrication is good, and structural strength is good, high reliablity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model
Fig. 2 (a) is power transmission line figure when vehicle 6 × 4 drives
Fig. 2 (b) is power transmission line figure when vehicle 6 × 2 or 4 × 2 drives
Specific embodiment
Specific embodiment of the present utility model is introduced with reference to the accompanying drawing.
As shown in Figure 1, a kind of convertible penetrating bridge main speed reducer assembly of driving pattern, mainly by inter-axle differential and difference
Fast lock, timesharing driving structure, to rear axle output end, main reducer of middle axle and jackshaft inter-wheel differential composition；Timesharing driving structure
Positioned at the rear end of inter-axle differential and differential lock；Inter-axle differential and differential lock and main reducer of middle axle are sequentially connected,
Inter-axle differential and differential lock are mainly locked into gas-tpe fitting 1, piston I 2, mobile tooth by shaft space difference speed and cover I 3, shift fork
Axis I 4, shift fork I 5, end face thrust bearing 6, return spring I 7, active roller gear 8, differential carrier 9, cross axle 10, planet tooth
Wheel 11, rear bevel gear 12, differential mechanism rear bearing 13, differential mechanism fore bearing 28 and active cylindrical gear shaft 30 form.
Active cylindrical gear shaft 30 inputs flange 27 with penetrating bridge respectively by spline and cross axle 10 is connected, front end
It is supported on front housing 29 by differential mechanism fore bearing 28, wherein rear end passes through end face thrust bearing 6, needle bearing I 31, rolling respectively
Needle bearing II 32 is supported on active roller gear 8 and rear bevel gear 12.Mobile tooth set I 3 is mounted on active cylinder by spline
On gear shaft 30.It is machined with fixed tooth on active roller gear 8 and covers I 8-1, and is integrated with preceding bevel gear 8-2.Cross axle 10 is pacified
On four planetary gears 11, planetary gear 11 is engaged with preceding bevel gear 8-2 and rear bevel gear 12.Bevel gear 12 passes through difference afterwards
Fast device rear bearing 13 is supported on reducing gearbox 34.It is normal discrete state that fixed tooth, which covers I 8-1 and mobile tooth set I 3,；
Shift fork I 5 is mounted in shift fork axle I 4, and the leg of shift fork I 5 is inserted into the groove on mobile tooth set I 3；Shift fork axle I
4 both ends are respectively supported in two circular holes on rear shell front end and front housing 29, and I 7 sets of return spring in shift fork axle I 4, are located at
Between shift fork I 5 and rear shell；I 4 outside of shift fork axle is fixedly mounted in piston cylinder I, and piston I 2 is installed in piston cylinder I, and shaft space difference speed is locked into
Gas-tpe fitting 1 is communicated with piston cylinder I.
Timesharing driving structure mainly by air inlet pipe fitting 14, piston II 15, snap ring 16, shift fork axle II 17, needle bearing 18,
Shift fork II 19, return spring II 20, spacer 21, mobile tooth set II 22 and perforation axis 23 form；
Perforation 23 front end of axis is supported on rear bevel gear 12 by needle bearing 18, and rear end is supported on axle housing 24 by bearing 25
On, and connect by spline with output flange 26.Needle bearing 18 carries out axial restraint, mobile tooth by snap ring 16 and spacer 21
II 22 are covered to connect by spline with perforation axis 23.Bevel gear 12 is machined with II 12-1 of fixed tooth set above afterwards；Fixed tooth covers II 12-
1 is in normal meshing state with mobile tooth set II 22；
The both ends of shift fork axle II 17 are respectively supported in two circular holes being arranged in the middle part of rear shell, and shift fork II 19 is mounted on shift fork
On axis II 17, II 19 leg of shift fork is inserted into the groove on mobile tooth set II 22；II 20 sets of return spring in shift fork axle II 17
On, it is mounted between shift fork II 19 and rear shell；II 17 outside of shift fork axle is fixedly mounted in piston cylinder II, and piston II 15 installs piston cylinder
In II, air inlet pipe fitting 14 is communicated with piston cylinder II.
A kind of convertible penetrating bridge main speed reducer assembly of driving pattern described in the present embodiment passes through inter-axle differential
And differential lock and timesharing driving structure are used cooperatively, and 6 × 4 drivings and 6 × 2(or 4 × 2 may be implemented) driving two kinds of forms
Conversion achievees the effect that timesharing drives.
As shown in Figure 2 (a), when vehicle needs 6 × 4 drive mode, driver is not necessarily to special operation, timesharing driving structure
In mobile tooth set II 22 cover II 12-1 with fixed tooth and be in meshing state always, i.e. timesharing driving structure combines.Driver can
To control whether between centers differential lock engages according to road surface needs.At this point, power passes to actively circle through penetrating bridge input flange 27
Stud wheel axis 30, cross axle 10, bevel gear 8-2 bevel gear 12 with after, transmitting before being delivered separately to after inter-axle differential point is turned round
Main reducer of middle axle, deceleration torque increase are transmitted to through active roller gear 8, driven cylindrical gear 32 to the power of preceding bevel gear 8-2
The left and right wheels of jackshaft are distributed to by jackshaft differential；The power for passing to rear bevel gear 12, by fixed tooth cover II 12-1,
Mobile tooth set II 22 passes to perforation axis 23, is exported flange 26 and is transported to rear axle.
As shown in Fig. 2 (b), when vehicle needs 6 × 2 or 4 × 2 drive mode, driver operates the conversion in driver's cabin
Switch, compressed air can arrive separately at the air inlet pipe 14 of timesharing driving structure by vehicle pipeline at this time and shaft space difference speed is locked into gas
At pipe 1, push piston II 15 and piston I 2 mobile, shift fork II 19 and shift fork I 5 shift fork axle II 17, shift fork axle I 4 drive under,
Covering mobile tooth set II 22 with fixed tooth, II 12-1 is separated, mobile tooth set I 3 and fixed tooth cover I 8-1 and combine, i.e. timesharing driving knot
Structure disengages, shaft space difference speed locks locking.Power passes to active cylindrical gear shaft 30, mobile tooth set I through penetrating bridge input flange 27
3, fixed tooth covers I 8-1, is transmitted to main reducer of middle axle through active roller gear 8, driven cylindrical gear 32, passes through after deceleration torque increase
Jackshaft differential distributes to the left and right wheels of jackshaft.
Claims (1)
1. a kind of convertible penetrating bridge main speed reducer assembly of driving pattern, which is characterized in that the assembly is mainly by shaft space difference speed
Device and differential lock, timesharing driving structure are formed to rear axle output end, main reducer of middle axle and jackshaft inter-wheel differential；Timesharing is driven
Dynamic structure is located at the rear end of inter-axle differential and differential lock；Inter-axle differential and differential lock and main reducer of middle axle are sequentially connected,
Inter-axle differential and differential lock are mainly locked into gas-tpe fitting (1) by shaft space difference speed, piston I (2), I (3) of mobile tooth set, dial
Fork shaft I (4), shift fork I (5), end face thrust bearing (6), return spring I (7), active roller gear (8), differential carrier (9), ten
Word axis (10), planetary gear (11), rear bevel gear (12), differential mechanism rear bearing (13), differential mechanism fore bearing (28) and active circle
Stud wheel axis (30) composition；
Active cylindrical gear shaft (30) is connected with penetrating bridge input flange (27) and cross axle (10) respectively by spline, before
End is supported on front housing (29) by differential mechanism fore bearing (28), and wherein rear end passes through end face thrust bearing (6), needle roller axis respectively
Hold I (31), needle bearing II (32) is supported on active roller gear (8) and rear bevel gear (12)；Mobile tooth covers I (3) and passes through
Spline is mounted on active cylindrical gear shaft (30)；It is machined with fixed tooth on active roller gear (8) and covers I (8-1), and integrates
Preceding bevel gear (8-2)；Cross axle (10) is mounted on four planetary gears (11), planetary gear (11) and preceding bevel gear (8-
2) it is engaged with rear bevel gear (12)；Bevel gear (12) is supported on reducing gearbox (34) by differential mechanism rear bearing (13) afterwards；Gu
Fixed tooth covers I (8-1) and mobile tooth covers I (3) for normal discrete state；
Shift fork I (5) is mounted in shift fork axle I (4), and the leg of shift fork I (5) is inserted into the groove that mobile tooth covers on I (3)；It dials
The both ends of fork shaft I (4) are respectively supported in two circular holes on rear shell front end and front housing (29), and return spring I (7) is covered in shift fork
On axis I (4), between shift fork I (5) and rear shell；Piston cylinder I is fixedly mounted on the outside of shift fork axle I (4), and piston I (2) installation is lived
In plug cylinder I, shaft space difference speed is locked into gas-tpe fitting (1) and communicates with piston cylinder I；
Timesharing driving structure is mainly by air inlet pipe fitting (14), piston II (15), snap ring (16), shift fork axle II (17), needle roller axis
Hold (18), shift fork II (19), return spring II (20), spacer (21), mobile tooth II (22) of set and perforation axis (23) composition；
Perforation axis (23) front end is supported on rear bevel gear (12) by needle bearing (18), and rear end is supported on axle housing by bearing (25)
(24) it on, and is connect by spline with output flange (26)；Needle bearing (18) carries out axis by snap ring (16) and spacer (21)
To fixation, mobile tooth covers II (22) and is connect by spline with perforation axis (23)；Bevel gear (12) is machined with fixed tooth set above afterwards
II (12-1)；Fixed tooth covers II (12-1) and mobile tooth covers II (22) and is in normal meshing state；
The both ends of shift fork axle II (17) are respectively supported in two circular holes being arranged in the middle part of rear shell, and shift fork II (19) is mounted on shift fork
On axis II (17), shift fork II (19) leg is inserted into the groove that mobile tooth covers on II (22)；Return spring II (20), which covers, to be dialled
On fork shaft II (17), it is mounted between shift fork II (19) and rear shell；Piston cylinder II is fixedly mounted on the outside of shift fork axle II (17), piston
II (15) are installed in piston cylinder II, and air inlet pipe fitting (14) is communicated with piston cylinder II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200586.6U CN208845665U (en) | 2018-07-27 | 2018-07-27 | Drive the convertible penetrating bridge main speed reducer assembly of pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200586.6U CN208845665U (en) | 2018-07-27 | 2018-07-27 | Drive the convertible penetrating bridge main speed reducer assembly of pattern |
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| CN208845665U true CN208845665U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821200586.6U Active CN208845665U (en) | 2018-07-27 | 2018-07-27 | Drive the convertible penetrating bridge main speed reducer assembly of pattern |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792749A (en) * | 2019-10-29 | 2020-02-14 | 一汽解放汽车有限公司 | Intermediate axle main reducer assembly with through shaft clutch device |
| CN111720495A (en) * | 2020-06-09 | 2020-09-29 | 北京福田戴姆勒汽车有限公司 | Main reducing gear and vehicle |
| CN111845334A (en) * | 2020-07-16 | 2020-10-30 | 北京福田戴姆勒汽车有限公司 | Vehicle with a steering wheel |
| CN112576718A (en) * | 2020-11-04 | 2021-03-30 | 东风越野车有限公司 | High-power full-time transfer case differential mechanism and vehicle |
| CN112727941A (en) * | 2021-02-22 | 2021-04-30 | 一汽解放汽车有限公司 | Transmission clutch structure of rear drive axle |
| CN112810383A (en) * | 2021-02-22 | 2021-05-18 | 一汽解放青岛汽车有限公司 | Automobile chassis with variable driving form and control method thereof |
-
2018
- 2018-07-27 CN CN201821200586.6U patent/CN208845665U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792749A (en) * | 2019-10-29 | 2020-02-14 | 一汽解放汽车有限公司 | Intermediate axle main reducer assembly with through shaft clutch device |
| CN110792749B (en) * | 2019-10-29 | 2023-01-17 | 一汽解放汽车有限公司 | Intermediate axle main reducer assembly with through shaft clutch device |
| CN111720495A (en) * | 2020-06-09 | 2020-09-29 | 北京福田戴姆勒汽车有限公司 | Main reducing gear and vehicle |
| CN111845334A (en) * | 2020-07-16 | 2020-10-30 | 北京福田戴姆勒汽车有限公司 | Vehicle with a steering wheel |
| CN112576718A (en) * | 2020-11-04 | 2021-03-30 | 东风越野车有限公司 | High-power full-time transfer case differential mechanism and vehicle |
| CN112727941A (en) * | 2021-02-22 | 2021-04-30 | 一汽解放汽车有限公司 | Transmission clutch structure of rear drive axle |
| CN112810383A (en) * | 2021-02-22 | 2021-05-18 | 一汽解放青岛汽车有限公司 | Automobile chassis with variable driving form and control method thereof |
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