CN102452276A - Drive axle capable of adjusting wheel base - Google Patents
Drive axle capable of adjusting wheel base Download PDFInfo
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- CN102452276A CN102452276A CN2010105173526A CN201010517352A CN102452276A CN 102452276 A CN102452276 A CN 102452276A CN 2010105173526 A CN2010105173526 A CN 2010105173526A CN 201010517352 A CN201010517352 A CN 201010517352A CN 102452276 A CN102452276 A CN 102452276A
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Abstract
The invention discloses a drive axle capable of adjusting a wheel base, which is used for driving and/or steering of a vehicle. The drive axle comprises a differential, a drive shaft and a wheel base adjusting device and/or a steering device, wherein the drive shaft comprises a left drive half shaft and a right drive half shaft; the left drive half shaft and the right drive half shaft are connected with the differential and a left wheel hub and a right wheel hub of the corresponding vehicle respectively; the wheel base adjusting device is connected with the differential and the corresponding left drive half shaft and right drive half shaft, and the steering device is connected with the corresponding left drive half shaft and right drive half shaft, the left wheel hub, the right wheel hub or a final drive box respectively. The drive axle can realize adjustable wheel base, and is particularly suitable for crop requirements of different row spaces in agricultural machinery; meanwhile, a steering structure can be increased, so that the drive axle body realizes adjustable wheel base, can also be used for steering and is flexible and convenient to operate. In addition, a crop clearance can also be increased through the final drive box to realize long crop clearance and high passing rate, and the drive axle is more suitable for field management at the middle and later stages of high-stalk crops.
Description
Technical field
The present invention relates to a kind of vehicle drive axle, particularly a kind of adjustable tread and/or the drive axle that turns to.
Background technology
At present, domestic trac., field machine are rigid wheel base with the drive axle of chassis and construction machinery and equipment, and several kinds of modes realized below the adjustment of complete machine wheelspan was passed through: realize that through the fitting of tire mode wheelspan is adjustable; The diff outputting power drives final driving box or wheel hub through the universal joint shaft of adjustable-length.Application number is " 200810041117.9 "; Name is called the Chinese invention patent application of " differential drive axle "; Disclosed differential drive axle, though also can realize the adjustment of drive axle wheelspan, it adopts sleeve pipe and differential speed electromotor adjustment wheelspan; Can't when wheelspan is adjustable, realize turning to, receive certain restriction in the use.
Summary of the invention
Technical matters to be solved by this invention provides a kind of driving pontic of adjustable tread, to enlarge the field of application of drive axle.
To achieve these goals, the invention provides a kind of drive axle of adjustable tread, be used for the driving of vehicle and/or turn to; Comprise diff and axle drive shaft; Said axle drive shaft comprises the left and right driving semiaxis, and said left and right driving semiaxis is connected with the left and right wheel hub of said diff and cooresponding said vehicle respectively, wherein; Said drive axle also comprises the wheelspan control apparatus, and said wheelspan control apparatus is connected with said diff and cooresponding said left and right driving semiaxis respectively.
Above-mentioned drive axle; Wherein, Said wheelspan control apparatus is a sliding sleeve wheelspan control apparatus; Said sliding sleeve wheelspan control apparatus comprises left and right half slip cap, left and right differential casing slip cap and left and right wheelspacer respectively; Said left and right wheelspacer is installed in respectively in the cooresponding said left and right half slip cap; Said left and right half slip cap and cooresponding said left and right differential casing slip cap bearing fit; Said left and right wheelspacer is installed in respectively in the left and right half slip cap; Said diff comprises differential left, right shell body and diff left and right half, and an end of said diff left and right half is installed respectively and is supported on cooresponding said differential left, the right shell body, and the other end of said diff left and right half is installed in respectively in the cooresponding said left and right wheelspacer; One end of said left and right driving semiaxis is connected with said left and right wheel hub through left and right bearing seat respectively; The other end of said left and right driving semiaxis is connected with an end of cooresponding said left and right wheelspacer respectively, and said diff left and right half and said left and right driving semiaxis are fixing vertically respectively, and an end of said left and right half slip cap is connected said left and right differential casing slip cap respectively with cooresponding said left and right bearing seat a end is connected with cooresponding said differential left, right shell body respectively.
Above-mentioned drive axle; Wherein, One end of said left and right half slip cap is separately positioned in the cooresponding said left and right bearing seat; Said diff left and right half is the male splines structure, the other end of said left and right wheelspacer respectively with the male splines sliding block joint of cooresponding said diff left and right half.
Above-mentioned drive axle, wherein, said left and right half slip cap is installed in the said left and right bearing seat through a steering ball supporting construction respectively.
Above-mentioned drive axle, wherein, said diff left and right half is fixing vertically through bearing, diff semiaxis locating bush, axle card and hole card respectively.
Above-mentioned drive axle, wherein, said left and right driving semiaxis is fixing vertically through bearing, jack shaft locating bush, axle card and hole card respectively.
Above-mentioned drive axle; Wherein, Said drive axle also comprises steering hardware; Said steering hardware is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub respectively, and said steering hardware comprises left and right bag and the left and right steering track rod of turning to, and the said left and right bag that turns to is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub respectively; Said left and right steering track rod one end is hinged with the cooresponding said left and right housing of bag that turns to respectively; The bearing circle of said vehicle is connected with the other end of said left and right steering track rod respectively, and said left and right driving semiaxis is respectively through two sections spline shaft structures of universal-joint bonded assembly, and said universal-joint is separately positioned on said left and right turning in the bag.
Above-mentioned drive axle, wherein, said wheelspan control apparatus also comprises left and right hydraulic ram, the two ends of said left and right hydraulic ram are hinged with cooresponding said differential left, right shell body and the said left and right housing of bag that turns to respectively.
Above-mentioned drive axle, wherein, said wheelspan control apparatus also comprises left and right hydraulic ram, the two ends of said left and right hydraulic ram are hinged with the housing of cooresponding said differential left, right shell body and said left and right bearing seat respectively.
Above-mentioned drive axle; Wherein, Said drive axle also comprises the left and right final driving box that is used to realize crack, highland, chassis; Said left and right driving semiaxis is connected with the input end of cooresponding said left and right final driving box respectively, and the output shaft of said left and right final driving box is connected with cooresponding said left and right wheel hub respectively.
Technique effect of the present invention is: the present invention adopts spline sleeve and hydraulic ram structure combining, realizes that wheelspan is adjustable, further adopts hydraulic ram to realize driving the stepless adjustment of wheelspan of pontic; Adjust to when needing the position at wheelspan, oil cylinder is locked in certain position, be particularly suitable in the field machine crop demand to different spacings through the oil cylinder lock-up valve; Simultaneously, can combine steering structure again, make the driving pontic both realize that wheelspan was adjustable; Can turn to again; Combine final driving box simultaneously, realized the crack, highland, enlarged the field of application and the flexible and convenient operation of drive axle.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is the left half axle mounting structure scheme drawing of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the wheelspan control apparatus structural representation of Fig. 3;
Fig. 5 is the I portion enlarged drawing of Fig. 4;
Fig. 6 is the K portion enlarged drawing of Fig. 4.
Wherein, Reference numeral
1 diff
11 differential left housings
111 left shell cone bearings
12 differential right casing bodies
13 differential left semiaxis
14 diff right axle shafts
15 differential gear assemblies
16 bearings
17 diff semiaxis locating bushs
18 cards
19 hole cards
2 axle drive shafts
21 left jack shafts
22 bearing pins
23 bearings
24 jack shaft locating bushs
25 cards
26 hole cards
27 universal-joints
3 wheelspan control apparatuss
31 revolvers are apart from regulating sleeve
32 left half axle slip caps
33 left differential casing slip caps
35 steering balls support
36 left hydraulic rams
37 right hydraulic rams
4 steering hardwares
41 left steering bags
411 turn to the bag terminal pad
42 right steering bags
43 left steering pull bars
44 right steering pull bars
5 wheel hubs
7 bearing circle
The final driving box in 8 left sides
81 output shafts
The 82 9 right final driving box that cog
10 tires
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and principle of work are done concrete description:
Referring to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the structural representation of one embodiment of the invention, and Fig. 2 is the left half axle mounting structure scheme drawing of Fig. 1, and Fig. 3 is the A-A cutaway view of Fig. 2.The drive axle of adjustable tread of the present invention; Be used for the driving of vehicle; Comprise diff 1 and axle drive shaft 2, said axle drive shaft 2 comprises the left and right driving semiaxis, and said left and right driving semiaxis is connected with the left and right wheel hub 5 of said diff 1 and cooresponding said vehicle respectively; Said drive axle also comprises wheelspan control apparatus 3, and said wheelspan control apparatus 3 is connected with said diff 1 and cooresponding said left and right driving semiaxis respectively.
Referring to Fig. 2, Fig. 3 and Fig. 4～Fig. 6, Fig. 4 is wheelspan control apparatus 3 structural representations of Fig. 3, and Fig. 5 is the I portion enlarged drawing of Fig. 4, and Fig. 6 is the K portion enlarged drawing of Fig. 4.Said wheelspan control apparatus 3 is a sliding sleeve wheelspan control apparatus; Said sliding sleeve wheelspan control apparatus comprises left and right half slip cap, left and right differential casing slip cap and left and right wheelspacer respectively; Said left and right half slip cap is installed in respectively in the cooresponding said left and right differential casing slip cap; Said left and right half slip cap and cooresponding said left and right differential casing slip cap bearing fit; Left and right wheelspacer is installed in respectively in the left and right half slip cap; Free-running fit; Said diff comprises differential left, right shell body 11,12 and diff left and right half 13,14; One end of said diff left and right half 13,14 is installed respectively and is supported on cooresponding said differential left, the right shell body 11,12; The other end of said diff left and right half 13,14 is installed in respectively in the cooresponding said left and right wheelspacer, and an end of said left and right driving semiaxis is connected with said left and right wheel hub 5 through left and right bearing seat respectively, and the other end of said left and right driving semiaxis is connected with cooresponding said left and right wheelspacer respectively; Said diff left and right half 13,14 and said left and right driving semiaxis are fixing vertically respectively; One end of said left and right wheelspacer is located by connecting with an end of cooresponding left and right driving semiaxis respectively, and an end of said left and right half slip cap is connected with cooresponding said left and right bearing seat respectively, and an end of said left and right differential casing slip cap is connected with cooresponding said differential left, right shell body 11,12 respectively.
Because of drive axle of the present invention is left and right symmetrical structure, be that example specifies wheelspan control apparatus 3 of the present invention and steering hardware 4 with the left side structure below.The left half axle slip cap 32 of said sliding sleeve wheelspan control apparatus is installed in the cooresponding left differential casing slip cap 33; Revolver is installed in the cooresponding left half axle slip cap 32 apart from regulating sleeve 31; Said left half axle slip cap 32 and cooresponding said left differential casing slip cap 33 bearing fits; Said revolver is apart from regulating sleeve 31 and cooresponding described left half axle slip cap 32 free-running fits; Differential left housing 11, the right shell body 12 of said diff 1 are enclosed an accommodation space; Differential gear assembly 15 is installed in this accommodation space, and an end of differential left semiaxis 13 is installed and is supported on the cooresponding said differential left housing 11, and the other end of said differential left semiaxis 13 is installed in cooresponding said revolver in regulating sleeve 31; Preferred said differential left semiaxis 13 is the male splines structure in the present embodiment, and said revolver is apart from the male splines sliding block joint of regulating sleeve 31 with cooresponding said differential left semiaxis 13.One end of said left jack shaft 21 is connected with said left wheel hub 5 through left shaft holder; The other end of said left jack shaft 21 is connected apart from regulating sleeve 31 with cooresponding said revolver; Said differential left semiaxis 13 is fixing vertically respectively with said left jack shaft 21; In the present embodiment, preferred said differential left semiaxis 13 is located through bearing 16, diff semiaxis locating bush 17, axle card 18 and hole card 19 vertically; Said left jack shaft 21 is located through bearing 23, jack shaft locating bush 24, axle card 25 and hole card 26 vertically.
One end of said left half axle slip cap 32 is connected with cooresponding said left shaft holder, and an end of said left differential casing slip cap 33 is connected with cooresponding said differential left housing 11.Specifically; One end of said left half axle slip cap 32 is connected with the housing of cooresponding said left shaft holder; Perhaps said left half axle slip cap 32 1 ends can be arranged in the cooresponding said left shaft holder; The preferred said left half axle slip cap 32 of present embodiment supports 35 through a steering ball and is installed in the said left shaft holder, and this left half axle slip cap 32 supports 35 with this steering ball and can be structure as a whole, and said left differential casing slip cap 33 also can be structure as a whole with cooresponding said differential left housing 11.
Said drive axle can also comprise steering hardware 4; With the driving that realizes vehicle simultaneously and/or turn to; Said steering hardware 4 is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub 5 respectively; Said steering hardware 4 comprises left and right bag 41,42 and the left and right steering track rod 43,44 of turning to; The said left and right bag 41,42 that turns to is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub 5 respectively; Said left and right steering track rod 43,44 1 ends are hinged with the cooresponding said left and right housing of bag 41,42 that turns to respectively, and the bearing circle 7 of said vehicle is connected with the other end of said left and right steering track rod 43,44 respectively, in order to cooperate this steering hardware 4; The semiaxis of left and right driving described in the present embodiment is respectively through two sections spline shaft structures of universal-joint 27 bonded assemblys, and said universal-joint 27 is separately positioned on said left and right turning in the bag 41,42.
Said wheelspan control apparatus 3 also comprises left and right hydraulic ram 36,37; The two ends of said left and right hydraulic ram 36,37 respectively with cooresponding said differential left, right shell body 11,12 and the said left and right housing hinged (when simultaneously steering hardware 4 being set) that turns to bag 41,42, or with the housing hinged (when wheelspan control apparatus 3 only is set) of said left and right bearing seat.Through adjustment oil cylinder length, drive differential left semiaxis 13 in the slip of revolver in the regulating sleeve 31, realize that the wheelspan of drive axle is adjusted.
Said drive axle also can comprise the left and right final driving box 8,9 that is used to realize crack, highland, chassis; Said left and right driving semiaxis is connected with the input end of cooresponding said left and right final driving box 8,9 respectively, and the output shaft of said left and right final driving box 8,9 is connected with cooresponding said left and right wheel hub 5 respectively.Perhaps left jack shaft 21 drives 82 (can be upper sprocket wheel, figure the does not show yet) rotation that cogs of the final driving box 8 in a left side, and the output shaft 81 of the final driving box 8 in a left side directly is connected with wheel hub 5.
The drive axle of above-mentioned adjustable tread; Wherein, Revolver is installed in support 35 of left steering ball and the left differential casing slip cap 33 apart from regulating sleeve 31; Revolver is located by connecting through bearing pin 22 after the right-hand member spline fitted of the left end of regulating sleeve 31 and left jack shaft 21, and revolver cooperates with the male splines of differential left semiaxis 13 apart from the right-hand member of regulating sleeve 31.
To sum up visible; Can be according to actual needs in concrete the application; Whether decision is provided with steering hardware and whether final driving box is set, and the drive axle of adjustable tread of the present invention can have four kinds of forms: a kind of is the adjustable driving steeraxle of crack, highland wheelspan, and a kind of is the adjustable drive axle of crack, highland wheelspan; A kind of is the adjustable driving steeraxle of crack, common ground wheelspan, and a kind of is the adjustable drive axle of crack, common ground wheelspan.Embodiment in this Figure of description is the form of the adjustable driving steeraxle of crack, highland wheelspan.
Wherein be not with when turning to function, left jack shaft 21 is a castellated shaft, and the support 35 of left steering ball is a bearing seat with the housing 16 of left steering bag 41.Band is when turning to function, and this left side jack shaft 21 can be for turning to the semiaxis form through two sections castellated shafts of universal-joint 27 bonded assemblys.
Support 35 of left steering ball and differential left housing 11 bearing fits.Left side diff semiaxis locating bush 17 is installed in differential left housing 11 respectively with left jack shaft locating bush 24 and supports in 35 with the left steering ball.Revolver is located by connecting through bearing pin 22 after the right-hand member spline fitted of the left end of regulating sleeve 31 and left jack shaft 21, and revolver cooperates with the male splines of differential left semiaxis 13 apart from the right-hand member of regulating sleeve 31.Differential left semiaxis 13 is realized axial location through bearing 16, diff semiaxis locating bush 17, hole card 19 and axle card 18.Left side jack shaft 21 has been realized axial location through bearing 23, jack shaft locating bush 248, axle card 25, hole card 26.Adjusting knurl is hinged apart from the housing of left hydraulic ram 36 1 ends of usefulness and left steering bag 41; The other end and differential left housing 11 are hinged; Through adjustment oil cylinder length; Hydraulic control lever is regulated the flexible of oil cylinder, drives differential left semiaxis 13 in the slip of revolver in the regulating sleeve 31, realizes that the wheelspan of drive axle is adjusted.Turn to bag terminal pad 411 to connect the housing of final driving box 8 in a left side and left steering bag 41.
The power transmission line of the drive axle of adjustable tread of the present invention is: this diff input end is connected with automotive power through a transmission shaft; Driving differential gear assembly 15 rotates; Drive diff left and right half 13,14 respectively and rotate, drive cooresponding revolver respectively and rotate, and then drive left jack shaft 21 and right jack shaft (figure does not show) apart from regulating sleeve 31 and right wheelspacer (figure does not show); Thereby cog 82 or sprocket wheel in the final driving box of driving left and right 8,9 respectively; Power take-off shaft 81 through the final driving box 8,9 of difference driving left and right is given wheel hub 5 with transmission of power, and tire on the drive wheels 10 rotates, and realizes that the walking of tire 10 drives.Transmission in the said left and right final driving box 8,9 can adopt gear also can adopt chain sprocket drive.
The drive axle wheelspan adjustment implementation method of adjustable tread of the present invention: control the elongation and the shortening of the left and right hydraulic ram 36,37 of control through hydraulic pressure; Drive cooresponding diff left and right half 13,14 respectively in the slip of cooresponding revolver in regulating sleeve 31 and the right wheelspacer (figure does not show), realize that the wheelspan of drive axle is adjusted.
The realization that the drive axle of adjustable tread of the present invention turns to; The other end of one end and bearing circle 7 bonded assembly pull bars is hinged with left and right steering track rod 43,44 respectively; Left and right steering track rod 43,44 is installed in cooresponding left and right turning on bag 41,42 the housing respectively; Steering wheel rotation 7 drives steering balls and supports 35 and in the left and right housing that turns to bag 41,42, rotate respectively thereby spur left and right steering track rod 43,44, drives left jack shaft 21 and right jack shaft and rotates; Drive left and right final driving box 8,9 power wheel hubs 5, realize turning to thereby drive tire 10.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. the drive axle of an adjustable tread; Be used for the driving of vehicle and/or turn to, comprise diff and axle drive shaft, said axle drive shaft comprises the left and right driving semiaxis; Said left and right driving semiaxis is connected with the left and right wheel hub of said diff and cooresponding said vehicle respectively; It is characterized in that said drive axle also comprises the wheelspan control apparatus, said wheelspan control apparatus is connected with said diff and cooresponding said left and right driving semiaxis respectively.
2. drive axle as claimed in claim 1; It is characterized in that; Said wheelspan control apparatus is a sliding sleeve wheelspan control apparatus; Said sliding sleeve wheelspan control apparatus comprises left and right half slip cap, left and right differential casing slip cap and left and right wheelspacer respectively; Said left and right half slip cap is installed in respectively in the cooresponding said left and right differential casing slip cap; Said left and right half slip cap and cooresponding said left and right differential casing slip cap bearing fit; Said left and right wheelspacer is installed in respectively in the left and right half slip cap, and said diff comprises differential left, right shell body and diff left and right half, and an end of said diff left and right half is installed respectively and is supported on cooresponding said differential left, the right shell body; The other end of said diff left and right half is installed in respectively in the cooresponding said left and right wheelspacer; One end of said left and right driving semiaxis is connected with said left and right wheel hub through left and right bearing seat respectively, and the other end of said left and right driving semiaxis is connected with an end of cooresponding said left and right wheelspacer respectively, and said diff left and right half and said left and right driving semiaxis are fixing vertically respectively; One end of said left and right half slip cap is connected with cooresponding said left and right bearing seat respectively, and an end of said left and right differential casing slip cap is connected with cooresponding said differential left, right shell body respectively.
3. drive axle as claimed in claim 2; It is characterized in that; One end of said left and right half slip cap is separately positioned in the cooresponding said left and right bearing seat; Said diff left and right half is the male splines structure, the other end of said left and right wheelspacer respectively with the male splines sliding block joint of cooresponding said diff left and right half.
4. drive axle as claimed in claim 3 is characterized in that, said left and right half slip cap is installed in the said left and right bearing seat through a steering ball supporting construction respectively.
5. like claim 2,3 or 4 described drive axles, it is characterized in that said diff left and right half is fixing vertically through bearing, diff semiaxis locating bush, axle card and hole card respectively.
6. like claim 2,3 or 4 described drive axles, it is characterized in that said left and right driving semiaxis is fixing vertically through bearing, jack shaft locating bush, axle card and hole card respectively.
7. like claim 1,2,3 or 4 described drive axles; It is characterized in that; Said drive axle also comprises steering hardware; Said steering hardware is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub respectively, and said steering hardware comprises left and right bag and the left and right steering track rod of turning to, and the said left and right bag that turns to is connected with cooresponding said left and right driving semiaxis and said left and right wheel hub respectively; Said left and right steering track rod one end is hinged with the cooresponding said left and right housing of bag that turns to respectively; The bearing circle of said vehicle is connected with the other end of said left and right steering track rod respectively, and said left and right driving semiaxis is respectively through two sections spline shaft structures of universal-joint bonded assembly, and said universal-joint is separately positioned on said left and right turning in the bag.
8. drive axle as claimed in claim 7; It is characterized in that; Said wheelspan control apparatus also comprises left and right hydraulic ram, and the two ends of said left and right hydraulic ram are hinged with cooresponding said differential left, right shell body and the said left and right housing of bag that turns to respectively.
9. like claim 2,3 or 4 described drive axles; It is characterized in that; Said wheelspan control apparatus also comprises left and right hydraulic ram, and the two ends of said left and right hydraulic ram are hinged with the housing of cooresponding said differential left, right shell body and said left and right bearing seat respectively.
10. like claim 1,2,3 or 4 described drive axles; It is characterized in that; Said drive axle also comprises the left and right final driving box that is used to realize crack, highland, chassis; Said left and right driving semiaxis is connected with the input end of cooresponding said left and right final driving box respectively, and the output shaft of said left and right final driving box is connected with cooresponding said left and right wheel hub respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105173526A CN102452276A (en) | 2010-10-22 | 2010-10-22 | Drive axle capable of adjusting wheel base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105173526A CN102452276A (en) | 2010-10-22 | 2010-10-22 | Drive axle capable of adjusting wheel base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102452276A true CN102452276A (en) | 2012-05-16 |
Family
ID=46036128
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105173526A Pending CN102452276A (en) | 2010-10-22 | 2010-10-22 | Drive axle capable of adjusting wheel base |
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| CN (1) | CN102452276A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465964A (en) * | 2013-09-03 | 2013-12-25 | 中国农业大学 | Steering mechanism adapted to vehicles with wheel track adjusted |
| 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 |
| CN109895557A (en) * | 2019-03-15 | 2019-06-18 | 合肥工业大学 | A kind of running gear with wheelspan telescopic regulating mechanism |
| CN111788076A (en) * | 2017-12-04 | 2020-10-16 | 沃尔沃卡车集团 | Axle housing extension member and method for adjusting track width of truck axle |
| CN111989252A (en) * | 2018-06-27 | 2020-11-24 | 株式会社久保田 | Riding type working vehicle |
| CN114342899A (en) * | 2022-01-10 | 2022-04-15 | 山东广为智能科技有限公司 | Axle for plant protection machine |
| WO2022127542A1 (en) * | 2020-12-16 | 2022-06-23 | 马亮 | Novel power transmission structure applicable to all-terrain go-kart |
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| CN201863634U (en) * | 2010-10-22 | 2011-06-15 | 现代农装科技股份有限公司 | Driving axle with adjustable wheel tread |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465964A (en) * | 2013-09-03 | 2013-12-25 | 中国农业大学 | Steering mechanism adapted to vehicles with wheel track adjusted |
| CN103465964B (en) * | 2013-09-03 | 2016-04-13 | 中国农业大学 | Adapt to the steering hardware of wheelspan adjustment vehicle |
| CN111788076A (en) * | 2017-12-04 | 2020-10-16 | 沃尔沃卡车集团 | Axle housing extension member and method for adjusting track width of truck 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 |
| CN111989252A (en) * | 2018-06-27 | 2020-11-24 | 株式会社久保田 | Riding type working vehicle |
| CN109895557A (en) * | 2019-03-15 | 2019-06-18 | 合肥工业大学 | A kind of running gear with wheelspan telescopic regulating mechanism |
| CN109895557B (en) * | 2019-03-15 | 2024-02-13 | 合肥工业大学 | Running gear with wheel tread flexible adjustment mechanism |
| WO2022127542A1 (en) * | 2020-12-16 | 2022-06-23 | 马亮 | Novel power transmission structure applicable to all-terrain go-kart |
| CN114342899A (en) * | 2022-01-10 | 2022-04-15 | 山东广为智能科技有限公司 | Axle for plant protection machine |
| CN114342899B (en) * | 2022-01-10 | 2022-09-27 | 山东广为智能科技有限公司 | Axle for plant protection machine |
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Application publication date: 20120516 |