CN205534046U - Car transfer case structure assembly - Google Patents
Car transfer case structure assembly Download PDFInfo
- Publication number
- CN205534046U CN205534046U CN201620272226.1U CN201620272226U CN205534046U CN 205534046 U CN205534046 U CN 205534046U CN 201620272226 U CN201620272226 U CN 201620272226U CN 205534046 U CN205534046 U CN 205534046U
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- gear
- shaft
- casing
- jackshaft
- propons
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Abstract
The utility model provides a car transfer case structure assembly, it includes the box install the input shaft on the box be equipped with a tapered roller bearing between input shaft and the box the cover has input high -speed gear and an input low -speed gear on the input shaft, and it has a drive gear still to overlap at the tip of input shaft be equipped with bearing between an input shaft and the drive gear, a drive gear and rear axle output gear shaft key -type connection, it is interior and coaxial with the input shaft that rear axle output gear shaft locates the box, is equipped with the 2nd tapered roller bearing between rear axle output gear shaft and box, installs first end cover at rear axle output gear shaft's outer ends. The utility model provides high transmission efficiency has still reduced self wearing and tearing and energy consumption to it is small, light in weight, simple to operate, the fault rate reduces, is favorable to reducing cost of maintenance, and especially the job stabilization nature under adverse circumstances is strengthened.
Description
Technical field
This utility model relates to a kind of mechanical part, especially a kind of transfer case of automobile structural assembly, belongs to mechanical equipment technical field.
Background technology
Transfer gear is a ring of automobile gear drive system, and its power shaft is connected with the second axle of variator directly or by universal driving device, and output shaft then has some, is connected with each drive axle through universal driving device respectively.On how shaft-driven automobile, in order to the power that variator exports is assigned to each drive axle, it is typically equipped with transfer gear.After now at present the many bridges of transfer gear drive the variator of automobile, it is used for transmitting and distribute power to each drive axle, doubles as auxiliary transmission and be used.Standing two shelves, low grade is also called afterburning shelves.In order to not make rear driving axle overload, standing interlocking mechanism, just can hang up afterburning shelves after making only to engage front driving axle, and for overcoming automobile on bad road surface and running resistance that cross-country locality is bigger and obtain minimum stabilizing speed, top grade is direct high or is also reduction gear.The Main Function of transfer gear is exactly that the power that variator exports is assigned to each drive axle, and increases moment of torsion further.Most of transfer gears are bigger than the load of change speed gear box due to the effect of reduction of speed to be played increasing square, so the loose change gear in transfer gear is helical gear, bearing is also adopted by taper roll bearing supporting.But, existing current transfer gear is owing to possess multiple output shaft, and therefore structure is relatively complicated, and therefore transmission efficiency is relatively low, and overall weight is relatively big, causes the price of equipment the most costly.
Utility model content
For above-mentioned deficiency of the prior art, main purpose of the present utility model is the problem that the transmission efficiency of the existing current transfer gear of solution is relatively low, and provides a kind of transmission efficiency higher, and the transfer case of automobile structural assembly of overall structure relative simplicity.
The technical solution of the utility model: transfer case of automobile structural assembly, it is characterized in that, including casing, described casing is provided with power shaft, the first taper roll bearing it is provided with between described power shaft and casing, described power shaft is cased with input top gear gear and input bottom gear gear, the first travelling gear also it is cased with in the end of power shaft, it is provided with needle bearing between described power shaft and the first travelling gear, described first travelling gear is bonded with back axle output gear shaft, it is interior and coaxial with power shaft that described back axle output gear is located in casing, the second taper roll bearing it is provided with between back axle output gear shaft and casing, outboard end at back axle output gear shaft is provided with the first end cap；nullDescribed input top gear gear engages with middle top gear gear，Described middle top gear geared sleeve is on jackshaft，Described jackshaft is arranged in the middle part of casing，The two ends of jackshaft are all connected with casing by bearing，Described jackshaft is also cased with middle bottom gear gear、Middle constant mesh gear and high low speed combined cover，Described middle bottom gear gear engages with input bottom gear gear，Middle constant mesh gear engages with jackshaft constant mesh gear，Described jackshaft constant mesh gear is enclosed within jackshaft output shaft，Described jackshaft output shaft is located at the lower end of jackshaft parallel with jackshaft，Jackshaft output shaft is connected with casing by bearing，The outer end of described jackshaft output shaft is provided with the second end cap，The inner of jackshaft output shaft is connected with propons output shaft by propons combined cover，Between described propons output shaft and casing, the 3rd taper roll bearing is installed，In the outer end of propons output shaft, the 3rd end cap is installed；Described propons combined cover is provided with the groove for coordinating with propons shift fork, described propons shift fork be enclosed within propons control on fork shaft and after rotation with propons combined cover clamping, being also equipped with on described high low speed combined cover for controlling, with propons, the selector fork axle that fork shaft coordinates, the lower side at described casing is also equipped with plug cock.
Optimally, it is equipped with packing ring between described input top gear gear and casing and between jackshaft constant mesh gear and casing.The abrasion between input top gear gear and jackshaft constant mesh gear and casing can be reduced by mounting gasket, be come by washer spacer, it is to avoid touch.
Optimally, between described propons output shaft and casing, it is provided with lip-type packing.Here by lip-type packing can effectively abrasion between link propons output shaft and casing, be conducive to keeping stability during output shaft rotation simultaneously.
Optimally, described casing is additionally provided with fixing hole.Enable to casing by fixing hole fixed, convenient installation.
Relative to prior art, this utility model has the advantages that
1, improve transmission efficiency: transfer case assembly structure of the present utility model uses the pattern of two-stage transmission so that power can quickly export, and conversion efficiency is higher, reached to improve the purpose of transmission efficiency, but also reduced self abrasion and energy consumption.
2, volume is little, lightweight, easy for installation, and overall price is relatively cheap.
3, fault rate reduces, and advantageously reduces maintenance cost, and job stability the most in the presence of a harsh environment is strengthened.
Accompanying drawing explanation
Fig. 1 is the sectional view of this utility model transfer case of automobile structural assembly.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Figure 1, transfer case of automobile structural assembly of the present utility model, including casing 1, described casing 1 is provided with power shaft 2, the first taper roll bearing 3 it is provided with between described power shaft 2 and casing 1, described power shaft 2 is cased with input top gear gear 4 and input bottom gear gear 5, the first travelling gear 6 also it is cased with in the end of power shaft 2, it is provided with needle bearing 7 between described power shaft 2 and the first travelling gear 6, described first travelling gear 6 is bonded with back axle output gear shaft 8, it is interior and coaxial with power shaft 2 that described back axle output gear shaft 8 is located at casing 1, the second taper roll bearing 9 it is provided with between back axle output gear shaft 8 and casing 1, outboard end at back axle output gear shaft 8 is provided with the first end cap 10；nullDescribed input top gear gear 4 engages with middle top gear gear 11，Described middle top gear gear 11 is enclosed within jackshaft 12，Described jackshaft 12 is arranged in the middle part of casing 1，The two ends of jackshaft 12 are all connected with casing 1 by bearing，Described jackshaft 12 is also cased with middle bottom gear gear 13、Middle constant mesh gear 14 and high low speed combined cover 15，Described middle bottom gear gear 13 engages with input bottom gear gear 5，Middle constant mesh gear 14 engages with jackshaft constant mesh gear 16，Described jackshaft constant mesh gear 16 is enclosed within jackshaft output shaft 17，Described jackshaft output shaft 17 is located at the lower end of jackshaft 12 parallel with jackshaft 12，Jackshaft output shaft 17 is connected with casing 1 by bearing，The outer end of described jackshaft output shaft 17 is provided with the second end cap 18，The inner of jackshaft output shaft 17 is connected with propons output shaft 20 by propons combined cover 19，Between described propons output shaft 20 and casing 1, the 3rd taper roll bearing 21 is installed，In the outer end of propons output shaft 20, the 3rd end cap 22 is installed；Described propons combined cover 19 is provided with the groove for coordinating with propons shift fork 23, described propons shift fork 23 be enclosed within propons control on fork shaft 24 and after rotation with propons combined cover 19 clamping, being also equipped with on described high low speed combined cover 15 for controlling, with propons, the selector fork axle 25 that fork shaft 24 coordinates, the lower side at described casing 1 is also equipped with plug cock 26.
See Fig. 1, between described input top gear gear 4 and casing 1 and between jackshaft constant mesh gear 16 and casing 1, be equipped with packing ring 27.It is provided with lip-type packing 28 between described propons output shaft 20 and casing 1.Described casing 1 is additionally provided with fixing hole 29.
See Fig. 1, during work, input top gear gear 4 on power shaft 2 drives middle top gear gear 11 to rotate, middle top gear gear 11 drives again high low speed combined cover 15, high low speed combined cover 15 controls selector fork axle 25 action and it is combined with propons control fork shaft 24, and propons controls fork shaft 24 and drives propons shift fork 23 to make propons output shaft 20 action again；On the other hand, input bottom gear gear 5 drives middle bottom gear gear 13, middle bottom gear gear 13 drives the first travelling gear 6 and jackshaft constant mesh gear 16 respectively, described first travelling gear 6 drives back axle output gear shaft 8 to rotate, jackshaft constant mesh gear 16 drives jackshaft output shaft 17 to rotate, it is achieved thereby that the transfer effect of power.
It should be noted that, above example is only in order to illustrate technical solutions of the utility model rather than restriction technologies scheme, although this utility model is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those amendments that technical solutions of the utility model are carried out or equivalent, objective and the scope of the technical program can not be departed from, all should contain in the middle of this utility model right.
Claims (4)
- null1. transfer case of automobile structural assembly，It is characterized in that，Including casing (1)，Described casing (1) is provided with power shaft (2)，The first taper roll bearing (3) it is provided with between described power shaft (2) and casing (1)，Described power shaft (2) is cased with input top gear gear (4) and input bottom gear gear (5)，The first travelling gear (6) also it is cased with in the end of power shaft (2)，Needle bearing (7) it is provided with between described power shaft (2) and the first travelling gear (6)，Described first travelling gear (6) is bonded with back axle output gear shaft (8)，It is interior and coaxial with power shaft (2) that described back axle output gear shaft (8) is located at casing (1)，The second taper roll bearing (9) it is provided with between back axle output gear shaft (8) and casing (1)，Outboard end at back axle output gear shaft (8) is provided with the first end cap (10)；nullDescribed input top gear gear (4) is engaged with middle top gear gear (11)，Described middle top gear gear (11) is enclosed within jackshaft (12)，Described jackshaft (12) is arranged on casing (1) middle part，The two ends of jackshaft (12) are all connected with casing (1) by bearing，Described jackshaft (12) is also cased with middle bottom gear gear (13)、Middle constant mesh gear (14) and high low speed combined cover (15)，Described middle bottom gear gear (13) is engaged with input bottom gear gear (5)，Middle constant mesh gear (14) is engaged with jackshaft constant mesh gear (16)，Described jackshaft constant mesh gear (16) is enclosed within jackshaft output shaft (17)，Described jackshaft output shaft (17) is located at the lower end of jackshaft (12) parallel with jackshaft (12)，Jackshaft output shaft (17) is connected with casing (1) by bearing，The outer end of described jackshaft output shaft (17) is provided with the second end cap (18)，The inner of jackshaft output shaft (17) is connected with propons output shaft (20) by propons combined cover (19)，Between described propons output shaft (20) and casing (1), the 3rd taper roll bearing (21) is installed，In the outer end of propons output shaft (20), the 3rd end cap (22) is installed；Described propons combined cover (19) is provided with the groove for coordinating with propons shift fork (23), described propons shift fork (23) be enclosed within propons control fork shaft (24) upper and after rotation with propons combined cover (19) clamping, being also equipped with on described high low speed combined cover (15) for controlling, with propons, the selector fork axle (25) that fork shaft (24) coordinates, the lower side at described casing (1) is also equipped with plug cock (26).
- Transfer case of automobile structural assembly the most according to claim 1, it is characterised in that be equipped with packing ring (27) between described input top gear gear (4) and casing (1) and between jackshaft constant mesh gear (16) and casing (1).
- Transfer case of automobile structural assembly the most according to claim 2, it is characterised in that be provided with lip-type packing (28) between described propons output shaft (20) and casing (1).
- Transfer case of automobile structural assembly the most according to claim 3, it is characterised in that be additionally provided with fixing hole (29) on described casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620272226.1U CN205534046U (en) | 2016-04-05 | 2016-04-05 | Car transfer case structure assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620272226.1U CN205534046U (en) | 2016-04-05 | 2016-04-05 | Car transfer case structure assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534046U true CN205534046U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620272226.1U Active CN205534046U (en) | 2016-04-05 | 2016-04-05 | Car transfer case structure assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402344A (en) * | 2016-09-27 | 2017-02-15 | 资阳中车传动有限公司 | Auxiliary transmission gear case of diesel-electric locomotive |
-
2016
- 2016-04-05 CN CN201620272226.1U patent/CN205534046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402344A (en) * | 2016-09-27 | 2017-02-15 | 资阳中车传动有限公司 | Auxiliary transmission gear case of diesel-electric locomotive |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |