CN204605404U - A kind of front drive axle of tractor - Google Patents
A kind of front drive axle of tractor Download PDFInfo
- Publication number
- CN204605404U CN204605404U CN201520157266.7U CN201520157266U CN204605404U CN 204605404 U CN204605404 U CN 204605404U CN 201520157266 U CN201520157266 U CN 201520157266U CN 204605404 U CN204605404 U CN 204605404U
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- axle housing
- tapped bore
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- shaft
- steering
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Abstract
The utility model relates to agricultural machinery technological field, a kind of front drive axle of tractor is provided, comprise central axle housing, main gearbox assembly, left, right axle shaft, wheel reduction gear assembly and steering cylinder, this main gearbox assembly is provided with integrated main reducer shell and diff, wheel reduction gear assembly is provided with steering swivel, gear ring support and connection dish, wheel limit oil sealing and sun wheel, each wheel reduction gear assembly is fixed on one end of central axle housing respectively by steering swivel and the steering swivel gland that coordinates with steering swivel, left, right axle shaft is provided with the first adapter shaft, second adapter shaft, universal joint shaft, semiaxis support sleeve and bearing, the position that central authorities' axle housing installs semiaxis support sleeve is provided with the first tapped bore, first tapped bore combines and carries out axial location with the first bolt of the first corresponding threaded holes, this locate mode is reliable, and assembly and disassembly is simple, central authorities' axle housing is easy to process, integrated main reducer shell has lacked the leakage of oil point of main gearbox assembly simultaneously, compact conformation.
Description
Technical field
The utility model belongs to agricultural machinery technological field, particularly relates to a kind of front drive axle of tractor.
Background technology
Present stage, trac. can be divided into two-wheel drive and four wheel drive by type of drive.Namely two-wheel drive refers to back-wheel drive, its front axle have support body, turn to, the function such as walking, and four-wheel drive tractor front and back wheel all can as drive wheel, front driving axle not only has the function of above front axle, it is the front-wheel auxiliary drive of four-wheel drive tractor simultaneously, when trac. is under the bad working environments condition such as muddy, wet and slippery during operation, for improving the crossing ability of trac..
The power resources of f-w-d are in the change speed gear box of trac., by the intermediary agency's (auxiliary gear box) bottom gear transmission power to change speed gear box, again by transmission shaft by the input shaft of transmission of power to front driving axle, then the gear reduction of main reduction gear and final transmission in front driving axle, output power on the drive wheel of both sides, thus drive advance or the retrogressing of front-wheel.
At present, traditional front drive axle of tractor has following defect:
(1), bevel housing is made up of two parts usually, these two parts are connected with bolt by seam, but there is following defect in this split type structure: split type bevel housing makes the sealing structure face of whole front driving axle and the quantity of parts increase, and too increases the leakage of oil point of front driving axle;
(2), left and right semiaxis support sleeve carries out axial restraint by back-up ring, the fixed form of this back-up ring, makes central housing processing difficulties, and assembling, dismounting inconvenience;
(3), the wheel limit oil sealing of wheel reduction gear assembly is common outside framework oil seal, and common outside framework oil seal uses in wheel edge position, and reliability is poor.
Utility model content
The purpose of this utility model be to provide a kind of compact conformation, leakage of oil point few, locate front drive axle of tractor reliable and easy to process.
The utility model is achieved in that a kind of front drive axle of tractor, and described front drive axle of tractor comprises central axle housing, main gearbox assembly, left and right half, wheel reduction gear assembly and steering cylinder, wherein:
Described main gearbox assembly is arranged in described central axle housing, and be connected with engine installation, described main gearbox assembly is provided with front support bracket, bracket of rear mounting, diff and integrated main reducer shell, and described diff is arranged on described integrated main reducer shell;
Described wheel reduction gear assembly is arranged on described central axle housing two ends, described wheel reduction gear assembly is provided with steering swivel, gear ring support and connection dish, wheel limit oil sealing and sun wheel, and each described wheel reduction gear assembly is fixed on one end of described central axle housing respectively by described steering swivel and the steering swivel gland that coordinates with described steering swivel;
A described left side, right axle shaft is provided with the first adapter shaft, second adapter shaft, universal joint shaft, semiaxis support sleeve and bearing, described first adapter shaft is connected by described universal joint shaft with described second adapter shaft, described semiaxis support sleeve and bearing are positioned at the side of described second adapter shaft, described first adapter shaft is connected with described sun wheel, described second adapter shaft is connected with described diff, the position that described central axle housing installs described semiaxis support sleeve is provided with the first tapped bore, described first tapped bore combines and carries out axial location with the first bolt of described first corresponding threaded holes.
As a kind of improved plan, the position that described bracket of rear mounting is corresponding with described central axle housing is provided with several the second tapped bore, described central axle housing is provided with three tapped bore corresponding with described second tapped bore, and described second tapped bore, the 3rd tapped bore combine the second bolt closed with described second tapped bore, the 3rd corresponding threaded holes and described central axle housing and described main gearbox assembly be fixed together.
As a kind of improved plan, described steering swivel is connected by the 3rd bolt with described gear ring support and connection dish.
As a kind of improved plan, described limit oil sealing of taking turns is rotary shaft lip oil sealing.
As a kind of improved plan, described steering cylinder is double acting hydraulic steering cylinder.
As a kind of improved plan, described double acting hydraulic steering cylinder is provided with cylinder support, and described central axle housing is provided with the 4th tapped bore, and described 4th tapped bore combines the 4th corresponding bolt and is fixed on described central axle housing by described cylinder support.
As a kind of improved plan, the two ends of described double acting hydraulic steering cylinder are connected with connecting ball head, and described connecting ball head is connected with Linkage steering, described Linkage steering and described steering swivel hinged.
Because front drive axle of tractor comprises central axle housing, main gearbox assembly, left and right half, wheel reduction gear assembly and steering cylinder, wherein:
This main gearbox assembly is arranged in central axle housing, it is provided with integrated main reducer shell and diff, the setting of this integrated main reducer shell, decreases the leakage of oil point of main gearbox assembly, reduce the amount of parts of main gearbox assembly, compact conformation simultaneously;
Left and right half is provided with the first adapter shaft, the second adapter shaft, universal joint shaft, semiaxis support sleeve and bearing, the position that central authorities' axle housing installs described semiaxis support sleeve is provided with the first tapped bore, described first tapped bore combines and carries out axial location with the first bolt of described first corresponding threaded holes, this locate mode is reliable, and assembly and disassembly is simple, central axle housing is easy to process.
Because wheel limit oil sealing is rotary shaft lip oil sealing, sealing effectiveness is better.
Because double acting hydraulic steering cylinder is provided with cylinder support, described central axle housing is provided with the 4th tapped bore, and described 4th tapped bore combines the 4th corresponding bolt and is fixed on described central axle housing by described cylinder support, achieves the left and right turn of drive wheel.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation of the front drive axle of tractor that the utility model provides;
Fig. 3 is the structural representation of the main gearbox assembly that the utility model provides;
Fig. 4 is the structural representation of the left and right half that the utility model provides;
Fig. 5 is the structural representation of the wheel reduction gear assembly that the utility model provides;
Fig. 6 is the structural representation of the steering cylinder that the utility model provides;
Wherein, 1-central authorities axle housing, 2-main gearbox assembly, 3-is left, right axle shaft, 4-wheel reduction gear assembly, 5-steering cylinder, 6-is spiral bevel initiatively, the passive spiral bevel of 7-, 8-front support bracket, 9-bracket of rear mounting, 10-diff, 11-integrated main reducer shell, 12-steering swivel, 13-gear ring support and connection dish, 14-takes turns limit oil sealing, 15-wheel hub, 16-planetary wheel carrier, 17-planetary wheel, 18-internally toothed annulus component, 19-sun wheel, 20-first adapter shaft, 21-second adapter shaft, 22-universal joint shaft, 23-semiaxis support sleeve, 24-bearing, 25-first bolt, 26-second bolt, 27-the 3rd bolt, 28-cylinder support, 29-connecting ball head, 30-Linkage steering, 31-the 4th bolt, 32-steering swivel gland.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 and Fig. 2 shows and has gone out the structural representation of the front drive axle of tractor that the utility model provides respectively, for convenience of explanation, only marked the part relevant to the utility model in figure.
Front drive axle of tractor comprises central axle housing 1, main gearbox assembly 2, left and right half 3, wheel reduction gear assembly 4 and steering cylinder 5, wherein:
As shown in Figure 3, main gearbox assembly 2 is arranged in central axle housing 1, and be connected with engine installation, main gearbox assembly 2 is provided with initiatively spiral bevel 6, passive spiral bevel 7, front support bracket 8, bracket of rear mounting 9, diff 10 and integrated main reducer shell 11, and this active spiral bevel 6, passive spiral bevel 7 and diff 10 are installed on integrated main reducer shell 11;
As shown in Figure 5, wheel reduction gear assembly 4 is arranged on central axle housing 1 two ends, wheel reduction gear assembly 4 is provided with steering swivel 12, gear ring support and connection dish 13, wheel limit oil sealing 14, wheel hub 15, planetary wheel carrier 16, planetary wheel 17, internally toothed annulus component 18 and sun wheel 19, each wheel reduction gear assembly 4 is fixed on one end of central axle housing 1 respectively by steering swivel 12 and the steering swivel gland 32 that coordinates with steering swivel 12, planetary wheel 17 is connected with planetary wheel carrier 16 by compensating-gear shaft, planetary wheel carrier 16 is connected with wheel hub 15 by bolt, realizes transmission of power;
As shown in Figure 4, left, right axle shaft 3 is provided with the first adapter shaft 20, second adapter shaft 21, universal joint shaft 22, semiaxis support sleeve 23 and bearing 24, first adapter shaft 20 is connected by universal joint shaft 22 with the second adapter shaft 21, semiaxis support sleeve 23 and bearing 24 are positioned at the side of the second adapter shaft 21, first adapter shaft 20 is connected with sun wheel 19, second adapter shaft 21 is connected with diff 10, the position that central authorities' axle housing 1 installs semiaxis support sleeve 23 is provided with the first tapped bore (unmarked in figure), first tapped bore combines and carries out axial location with the first bolt 25 of the first corresponding threaded holes.
In this embodiment, the position that bracket of rear mounting is corresponding with central axle housing 1 is provided with several second tapped bore (unmarked in figure), central authorities' axle housing 1 is provided with three tapped bore (in figure unmarked) corresponding with the second tapped bore, and the second tapped bore, the 3rd tapped bore combine the second bolt 26 closed with the second tapped bore, the 3rd corresponding threaded holes and central axle housing 1 and main gearbox assembly 2 be fixed together.
In the utility model, as shown in Figure 5: steering swivel 12 is connected by the 3rd bolt 27 with gear ring support and connection dish 13;
Wheel limit oil sealing 14 can adopt rotary shaft lip oil sealing, to improve sealing effectiveness.
In the utility model, above-mentioned steering cylinder 5 is double acting hydraulic steering cylinder, and its concrete structure is as follows:
As shown in Figure 6, double acting hydraulic steering cylinder is provided with cylinder support 28, and central axle housing 1 is provided with the 4th tapped bore (unmarked in figure), and the 4th tapped bore combines the 4th corresponding bolt 31 and is fixed on by cylinder support 28 on central axle housing 1;
The two ends of double acting hydraulic steering cylinder are connected with connecting ball head 29, connecting ball head 29 is connected with Linkage steering 30, and Linkage steering 30 is hinged with steering swivel 12, particularly, the ball end of Linkage steering 30 is hinged with the ear seat of steering swivel 12 respectively, and its concrete implementation procedure is:
When hydraulic oil promotes oil cylinder piston and piston rod moves to the left, the connecting ball head of both sides and Linkage steering can be driven to move to the left simultaneously, and then order about steering swivel 12 and rotate around respective kingpin line, thus achieve two trailing wheels and rotate to the left, complete and turn to the left; When otherwise hydraulic oil promotion piston and piston rod move to the right, can complete and turn to the right.
In the utility model, this main gearbox assembly 2 is arranged in central axle housing 1, it is provided with integrated main reducer shell 11 and diff 10, the setting of this integrated main reducer shell 11, decrease the leakage of oil point of main gearbox assembly 2, reduce the amount of parts of main gearbox assembly 2, compact conformation simultaneously;
Left and right half 3 is provided with the first adapter shaft 20, second adapter shaft 21, universal joint shaft 22, semiaxis support sleeve 23 and bearing 24, the position that central authorities' axle housing 1 installs semiaxis support sleeve 23 is provided with the first tapped bore, first tapped bore combines and carries out axial location with the first bolt of the first corresponding threaded holes, this locate mode is reliable, and assembly and disassembly is simple, central axle housing 1 is easy to process.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a front drive axle of tractor, is characterized in that, described front drive axle of tractor comprises central axle housing, main gearbox assembly, left and right half, wheel reduction gear assembly and steering cylinder, wherein:
Described main gearbox assembly is arranged in described central axle housing, and be connected with engine installation, described main gearbox assembly is provided with front support bracket, bracket of rear mounting, diff and integrated main reducer shell, and described diff is arranged on described integrated main reducer shell;
Described wheel reduction gear assembly is arranged on described central axle housing two ends, described wheel reduction gear assembly is provided with steering swivel, gear ring support and connection dish, wheel limit oil sealing and sun wheel, and each described wheel reduction gear assembly is fixed on one end of described central axle housing respectively by described steering swivel and the steering swivel gland that coordinates with described steering swivel;
A described left side, right axle shaft is provided with the first adapter shaft, second adapter shaft, universal joint shaft, semiaxis support sleeve and bearing, described first adapter shaft is connected by described universal joint shaft with described second adapter shaft, described semiaxis support sleeve and bearing are positioned at the side of described second adapter shaft, described first adapter shaft is connected with described sun wheel, described second adapter shaft is connected with described diff, the position that described central axle housing installs described semiaxis support sleeve is provided with the first tapped bore, described first tapped bore combines and carries out axial location with the first bolt of described first corresponding threaded holes.
2. front drive axle of tractor according to claim 1, it is characterized in that, the position that described bracket of rear mounting is corresponding with described central axle housing is provided with several the second tapped bore, described central axle housing is provided with three tapped bore corresponding with described second tapped bore, and described second tapped bore, the 3rd tapped bore combine the second bolt closed with described second tapped bore, the 3rd corresponding threaded holes and described central axle housing and described main gearbox assembly be fixed together.
3. front drive axle of tractor according to claim 1, is characterized in that, described steering swivel is connected by the 3rd bolt with described gear ring support and connection dish.
4. front drive axle of tractor according to claim 1, is characterized in that, described limit oil sealing of taking turns is rotary shaft lip oil sealing.
5. front drive axle of tractor according to claim 1, is characterized in that, described steering cylinder is double acting hydraulic steering cylinder.
6. front drive axle of tractor according to claim 5, it is characterized in that, described double acting hydraulic steering cylinder is provided with cylinder support, and described central axle housing is provided with the 4th tapped bore, and described 4th tapped bore combines the 4th corresponding bolt and is fixed on described central axle housing by described cylinder support.
7. the front drive axle of tractor according to claim 5 or 6, is characterized in that, the two ends of described double acting hydraulic steering cylinder are connected with connecting ball head, and described connecting ball head is connected with Linkage steering, described Linkage steering and described steering swivel hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157266.7U CN204605404U (en) | 2015-03-19 | 2015-03-19 | A kind of front drive axle of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157266.7U CN204605404U (en) | 2015-03-19 | 2015-03-19 | A kind of front drive axle of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204605404U true CN204605404U (en) | 2015-09-02 |
Family
ID=53957982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520157266.7U Active CN204605404U (en) | 2015-03-19 | 2015-03-19 | A kind of front drive axle of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204605404U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691197A (en) * | 2016-01-26 | 2016-06-22 | 山东雷沃桥箱有限公司 | Tractor front drive axle provided with cylindrical helix gear-type limited slip differential |
| CN106546494A (en) * | 2016-09-28 | 2017-03-29 | 重庆圣巴巴拉实业有限公司 | Automotive hub rotary bending testing machine |
| CN106585276A (en) * | 2017-01-15 | 2017-04-26 | 临沂金盛机械配套有限公司 | Large-wheel-edge drive axle |
| CN108215696A (en) * | 2018-03-27 | 2018-06-29 | 四川川龙拖拉机制造有限公司 | A kind of levelling device, leveling steering and driving axle and tractor |
| CN110077505A (en) * | 2019-05-14 | 2019-08-02 | 徐文桥 | Foot-operated forerunner's portable bicycle |
-
2015
- 2015-03-19 CN CN201520157266.7U patent/CN204605404U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691197A (en) * | 2016-01-26 | 2016-06-22 | 山东雷沃桥箱有限公司 | Tractor front drive axle provided with cylindrical helix gear-type limited slip differential |
| CN106546494A (en) * | 2016-09-28 | 2017-03-29 | 重庆圣巴巴拉实业有限公司 | Automotive hub rotary bending testing machine |
| CN106585276A (en) * | 2017-01-15 | 2017-04-26 | 临沂金盛机械配套有限公司 | Large-wheel-edge drive axle |
| CN106585276B (en) * | 2017-01-15 | 2023-09-08 | 临沂金盛机械配套有限公司 | Large wheel edge driving axle |
| CN108215696A (en) * | 2018-03-27 | 2018-06-29 | 四川川龙拖拉机制造有限公司 | A kind of levelling device, leveling steering and driving axle and tractor |
| CN108215696B (en) * | 2018-03-27 | 2023-12-15 | 四川川龙拖拉机制造有限公司 | Leveling device, leveling steering drive axle and tractor |
| CN110077505A (en) * | 2019-05-14 | 2019-08-02 | 徐文桥 | Foot-operated forerunner's portable bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY Co.,Ltd. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: FOTON LOVOL INTERNATIONAL HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai leiwo Heavy Industry Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: LOVOL HEAVY INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |