CN104589918B - The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan - Google Patents
The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan Download PDFInfo
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- CN104589918B CN104589918B CN201410813086.XA CN201410813086A CN104589918B CN 104589918 B CN104589918 B CN 104589918B CN 201410813086 A CN201410813086 A CN 201410813086A CN 104589918 B CN104589918 B CN 104589918B
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- reduction gear
- hub reduction
- shaft
- drive
- power takeoff
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Abstract
The invention discloses a kind of cross-country traveling ability, the stepless adjustable vehicle drive system of wheelspan, including upper frame, upper frame top is provided with drive axle, and the left and right hub reduction gear being connected with drive axle by the vertical universal drive shaft of root, described hub reduction gear is arranged on left and right bottom of frame position to the rear, by controlling the hub reduction gear output shaft in hub reduction gear, and then control the driving of wheel.The present invention by the vertical universal drive shaft on the left of the driving of drive axle and right side vertical drive shaft, and then by left side hub reduction gear and, right side hub reduction gear complete control to revolver and right wheel.The output shaft of drive axle is connected by vertical universal drive shaft with the hub reduction gear of the left and right sides respectively.The present invention remains to reliable delivery power when left and right hub reduction gear and driving wheel spacing change, easily step-less adjustment wheelspan can be realized simultaneously, transmission system stabilization, and it is high by property, agricultural machinery is avoided in farm work to the injury of crops, positive booster action is served for improving crop yield guarantor's crops good harvest.
Description
Technical field
The present invention relates to agricultural machinery transmission system field, specially one kind solves existing agricultural vehicle transmission system and deposits
By the way that height is low and wheelspan cannot realize the stepless adjustable vehicle transmission system of the cross-country traveling ability of step-less adjustment problem, wheelspan
System.
Background technology
With the continuous progress and development of society, the especially continuous propulsion of interchangeable manufacturing and in the general of each industry of every profession and trade
And application, machinery miscellaneous is in different fields for the development in place field serves the impetus that can not ignore.
Agricultural development is basic for social stability, while be also a major issue of the relation people's livelihood, from traditional slash-and-burn cultivation
Mechanized farming till now, the farming efficiency and harvest of agricultural have many raisings.And agricultural machinery is in high efficiency work
While work, the injury when wheel and vehicle frame that there is also agricultural machinery pass through to farming.At present, the agriculture based on tractor
Industry equipment, generally existing passes through the problem that height is low, wheelspan cannot realize step-less adjustment, when causing tractor to carry out farm work
Easily produce and weigh wounded or scratch crops.The terrain clearance of tractor rear axle directly affect its farm work by property.Make
It is driving wheel axis coaxial with half shaft into the low main cause of back axle terrain clearance, drives wheel diameter too big, one
As drive wheel diameter be not more than 1.8m, cause current cross-country traveling ability tractor by height be generally below 0.8m.Improve
The liftoff setting height(from bottom) of drive axle, it is necessary to change the structure of existing drive axle.
Therefore it provides it is a kind of good by performance, and wheelspan can carry out stepless adjustable agricultural machinery transmission system,
It is a urgent problem.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the invention provides a kind of working stability, and by the way that property is high, wheelspan
Stepless adjustable novel agricultural equipment vehicle legacy system can be carried out.
The object of the present invention is achieved like this：
The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan, including upper frame, upper frame top are provided with drive
Dynamic bridge 1, and the left and right hub reduction gear 3 being connected with drive axle 1 by 2 vertical universal drive shafts 2, described wheel side subtracts
Fast device 3 is arranged on left and right bottom of frame position to the rear, by controlling the hub reduction gear output shaft 18 in hub reduction gear 3,
And then control the driving of wheel；
Described drive axle 1 includes gearbox 9, the clutch 8 being connected with gearbox 9, and is connected with the left side of gearbox 9
Axle shaft housing 7, the power takeoff 5 being connected with the left side of axle shaft housing 7；The two ends of described drive axle 1 are provided with angle decelerator 4；
Power takeoff operation handle 6 is provided with described power takeoff 5；
Described angle decelerator 4 includes being arranged on the left side angle that the left side of drive axle 1 is connected with the left side of power takeoff 5
Decelerator, and the right side angle decelerator that the right side of drive axle 1 is connected with the right side of gearbox 9 is set；
The built-in differential mechanism 10 of described gearbox 9, the power of the left side of differential mechanism 10 output is by being arranged in axle shaft housing 7
Semiaxis 22, the power takeoff 5 being connected with semiaxis 22, the left side angle decelerator 4 being connected with power takeoff 5, with left side angle decelerator 4
The vertical universal drive shaft 2 in left side of connection, the left side hub reduction gear 3 being connected with the vertical universal drive shaft in left side is controlled
Driving to left wheel；The power of the right side of described differential mechanism 10 output passes sequentially through right side angle decelerator 4, right side vertical ten thousand
Right side hub reduction gear 3 is driven to power transmission shaft 2, and then realizes the drive control to right side wheels；
Described power takeoff 5 be connected on left side angle decelerator and semiaxis 22 between, power takeoff 5 include a pair it is castellated from
Clutch, i.e. active jaw 13 and it is provided with power takeoff operation handle 6 from dynamic interlocking teeth 14, described power takeoff 5；Described active
Dental inlay 13 uses spline connection with the input shaft of left side angle decelerator, from the empty set of dynamic interlocking teeth 14 in the defeated of left side angle decelerator
Enter on axle, be integrated with power output sprocket from dynamic interlocking teeth 14 and be made；The described connection shift fork 12 of active jaw 13, shift fork 12 connects
It is connected to slide bar 11, the connection power takeoff of slide bar 11 operation handle 6；
Described hub reduction gear 3 includes a pair of conical gears；Brake drum 17 is housed on the output shaft 18 of hub reduction gear 3
And driving wheel, and the hub reducer casing 16 outside hub reduction gear 3 is arranged on, braking bottom is fixed with hub reducer casing 16
The shoe brake including brake shoe 21 is provided with plate 20, brake drum 17；It is provided with and stands on described hub reduction gear 3
The driving gear shaft 15 of the connection of formula universal drive shaft 2, the hub reduction gear output shaft being connected with driving wheel（18）, driving gear shaft
（15）Drive bevel gear is formed integrally with driving shaft, drive bevel gear and driven wheel of differential（19）Engagement, driven wheel of differential
（19）Hub reduction gear output shaft is connected on by being bonded（18）On.
Positive beneficial effect：The present invention drives the vertical universal drive shaft in left side and right side vertical drive shaft by drive axle,
And then the control by left side hub reduction gear and the completion of right side hub reduction gear to revolver and right wheel.The present invention is on left and right wheels side
Decelerator and driving wheel spacing remain to reliable delivery power when changing, while easily step-less adjustment wheelspan can be realized, work
It is reliable and stable and high by property, it is to avoid agricultural machinery in farm work to the injury of crops, for improving crop yield,
Ensure that the good harvest of crops serves positive booster action.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is drive axle overlooking the structure diagram of the invention；
Fig. 3 is drive axle cross section structure diagram of the invention；
Fig. 4 is hub reduction gear cross section structure diagram of the invention；
It is in figure：Drive axle 1, vertical universal drive shaft 2, hub reduction gear 3, angle decelerator 4, power takeoff 5, power takeoff
Operation handle 6, axle shaft housing 7, clutch 8, gearbox 9, differential mechanism 10, slide bar 11, shift fork 12, active jaw 13, from dynamic interlocking teeth
14th, driving gear shaft 15, hub reducer casing 16, brake drum 17, hub reduction gear output shaft 18, driven wheel of differential 19, braking
Base plate 20, brake shoe 21, semiaxis 22.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described further：
As shown in figure 1, the stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan, including upper frame, upper frame top
Portion is provided with drive axle 1, and the left and right hub reduction gear 3 being connected with drive axle 1 by 2 vertical universal drive shafts 2, institute
The hub reduction gear 3 stated is arranged on left and right bottom of frame position to the rear, by controlling the hub reduction in hub reduction gear 3
Device output shaft 18, and then control wheel；
As shown in Fig. 2 described drive axle 1 includes gearbox 9, the clutch 8 being connected with gearbox 9, and and speed change
The axle shaft housing 7 of the left side of case 9 connection, the power takeoff 5 being connected with the left side of axle shaft housing 7；The two ends of described drive axle 1 are provided with change
Angle decelerator 4；Power takeoff operation handle 6 is provided with described power takeoff 5；
Described angle decelerator 4 includes being arranged on the left side of drive axle 1, and the left side being connected with the left side of power takeoff 5 becomes
Angle decelerator, and the right side angle decelerator that the right side of drive axle 1 is connected with the right side of gearbox 9 is set；
The built-in differential mechanism 10 of described gearbox 9, the power of the left side of differential mechanism 10 output is by being arranged in axle shaft housing 7
Semiaxis 22, the power takeoff 5 being connected with semiaxis 22, the left side angle decelerator being connected with power takeoff 5 connects with left side angle decelerator
The vertical universal drive shaft in left side for connecing, the left side hub reduction gear being connected with the vertical universal drive shaft in left side is controlled to a left side
The driving of wheel；The power of the right side of described differential mechanism 10 output passes sequentially through right side angle decelerator, the vertical universal biography in right side
Moving axis drives right side hub reduction gear, and then realizes the drive control to right side wheels；
As shown in figure 3, described power takeoff 5 is connected between left side angle decelerator and semiaxis 22, power takeoff 5 includes one
Power takeoff operation handle 6 is provided with to jaw clutch, i.e. active jaw 13 and from dynamic interlocking teeth 14, described power takeoff 5；
Described active jaw 13 uses spline connection with the input shaft of left side angle decelerator, from the empty set of dynamic interlocking teeth 14 in left side angle
On the input shaft of decelerator, it is integrated with power output sprocket from dynamic interlocking teeth 14 and is made；The described connection shift fork of active jaw 13
12, shift fork 12 is connected with slide bar 11, the connection power takeoff of slide bar 11 operation handle 6；
As shown in figure 4, described hub reduction gear 3 includes a pair of conical gears；The hub reduction gear of hub reduction gear 3 is defeated
Brake drum 17 and driving wheel, and a pair of hub reducer casings of conical gear 16 of support, hub reduction gear are housed on shaft 18
It is fixed with shell 16 in back-plate 20, brake drum 17 and is provided with the shoe brake including brake shoe 21, reduces wheel side
Decelerator and brake lateral dimension, improve vehicle by property；It is provided with described hub reduction gear 3 universal with vertical
The driving gear shaft 15 of the connection of power transmission shaft 2, the hub reduction gear output shaft 18 being connected with driving wheel, driving gear shaft is initiative taper
Gear is formed integrally with driving shaft, and drive bevel gear is engaged with driven wheel of differential 19, and driven wheel of differential 19 is connected on wheel by being bonded
On side reducer output shaft 18.
Described angle decelerator 4 includes a pair of conical gears, for changing transmission direction, further slows down to increase and turns round.
When vehicle carries out farm work, after the power of engine output is through clutch, gearbox, by the built-in differential of gearbox
Power equivalent is distributed to the left and right sides by device, and left side power is vertical universal through semiaxis, power takeoff, left side angle decelerator, left side
Left side hub reduction gear and left wheel on the left of power transmission shaft driving；Right side power is vertical universal through right side angle decelerator, right side
Power transmission shaft drives right side hub reduction gear and right wheel, and differential mechanism not differential, two side drive wheel constant velocity rotations, turn during straight line moving
Steering moment is produced by deflecting roller and ground effects when curved, differential mechanism is started differential, interior side drive wheel rotating speed is slack-off, outside
Faster rotational speed, realizes that vehicle is smoothly turned to.Angle decelerator changes transmission side with hub reduction gear using a pair of conical gears
To, realize slowing down increasing and turn round, increase the tractive force of driving wheel.Driving wheel is arranged on the hub reduction of hub reduction gear by brake drum
, it is necessary to be braked to brake drum by opening brake shoe when stopping in emergency on device output shaft.Wheelspan regulation dress on regulation vehicle frame
Put, can with the horizontal spacing of stepless changing or so hub reduction gear, realize left and right wheels away from step-less adjustment.Vehicle frame during adjustment wheelspan
Can ensure parallel between the output shaft of left and right side angle decelerator and the input shaft of left and right hub reduction gear, meet universal biography
The condition of moving axis constant speed drive.
The power takeoff being arranged in transmission system can take out partial power from vehicle drive system when walking, meet agriculture
The requirement that equipment draws and drives.The power takeoff of this transmission system is disposed in series between left side angle decelerator and semiaxis, is led to
The handle of operation power takeoff is crossed, can be moved left and right with moving slide-bar, shift fork and active jaw, realize active jaw and by dynamic interlocking teeth
Engagement with separate, control power takeoff output power combination and separate.
The present invention drives left side universal drive shaft and right side vertical drive shaft by drive axle, and then is subtracted by left side wheels side
Fast device and right side hub reduction gear complete the control to revolver and right wheel.The present invention is in left and right hub reduction gear and driving wheel spacing
Reliable delivery power is remained to during change, while easily step-less adjustment wheelspan can be realized, it is stable and reliable in work, and by property
It is high, it is to avoid agricultural machinery to the injury of crops, is protected crops good harvest for improving crop yield and served in farm work
Positive booster action.
Above case study on implementation is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that the field those of ordinary skill possesses, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (5)
1. a kind of stepless adjustable vehicle drive system of cross-country traveling ability, wheelspan, including upper frame, it is characterised in that：Described is upper
Vehicle frame top is provided with drive axle（1）, and by 2 vertical universal drive shafts（2）With drive axle（1）The left and right wheel of connection
Side reducer（3）, described hub reduction gear（3）Left and right bottom of frame position to the rear is arranged on, by controlling hub reduction
Device（3）Interior hub reduction gear output shaft（18）, and then control the driving of wheel；Described drive axle（1）Including gearbox
（9）, with gearbox（9）The clutch of connection（8）, and and gearbox（9）The axle shaft housing of left side connection（7）, with axle shaft housing（7）
The left side connection power takeoff（5）；Described drive axle（1）Two ends be provided with angle decelerator（4）；Described power takeoff
（5）On be provided with power takeoff operation handle（6）；Described gearbox（9）Built-in differential mechanism（10）, differential mechanism（10）Left side exports
Power by being arranged on axle shaft housing（7）Interior semiaxis（22）, with semiaxis（22）The power takeoff of connection（5）, with power takeoff（5）Even
The left side angle decelerator for connecing（4）, with left side angle decelerator（4）The vertical universal drive shaft in left side of connection（2）, it is vertical with left side
The left side hub reduction gear of formula universal drive shaft connection（3）, it is controlled the driving to left wheel；Described differential mechanism（10）It is right
The power of side output passes sequentially through right side angle decelerator（4）, the vertical universal drive shaft in right side（2）Drive right side hub reduction gear
（3）, and then realize the drive control to right side wheels.
2. the stepless adjustable vehicle drive system of a kind of cross-country traveling ability according to claim 1, wheelspan, it is characterised in that：
Described angle decelerator（4）Including being arranged on drive axle（1）Left side and power takeoff（5）Left side connection left side angle subtract
Fast device, and drive axle is set（1）Right side and gearbox（9）Right side connection right side angle decelerator.
3. the stepless adjustable vehicle drive system of a kind of cross-country traveling ability according to claim 1, wheelspan, it is characterised in that：
Described power takeoff（5）It is connected on left side angle decelerator and semiaxis（22）Between, power takeoff（5）Including a pair of jaw clutches
Device, i.e. active jaw（13）With from dynamic interlocking teeth（14）, described power takeoff（5）On be provided with power takeoff operation handle（6）；It is described
Active jaw（13）Input shaft with left side angle decelerator uses spline connection, from dynamic interlocking teeth（14）Empty set is in left side angle
On the input shaft of decelerator, from dynamic interlocking teeth（14）It is integrated with power output sprocket and is made；Described active jaw（13）Connection
Shift fork（12）, shift fork（12）It is connected with slide bar（11）, slide bar（11）Connection power takeoff operation handle（6）.
4. the stepless adjustable vehicle drive system of a kind of cross-country traveling ability according to claim 1, wheelspan, it is characterised in that：
Described hub reduction gear（3）Including a pair of conical gears；Hub reduction gear（3）Output shaft（18）It is upper that brake drum is housed（17）
And driving wheel, and it is arranged on hub reduction gear（3）Outer hub reducer casing（16）, hub reducer casing（16）On be fixed with
Back-plate（20）, brake drum（17）Inside it is provided with including brake shoe（21）Shoe brake；Described hub reduction gear
（3）On be provided with and vertical universal drive shaft（2）The driving gear shaft of connection（15）, the hub reduction gear being connected with driving wheel is defeated
Shaft（18）, driving gear shaft（15）Drive bevel gear is formed integrally with driving shaft, drive bevel gear and driven wheel of differential
（19）Engagement, driven wheel of differential（19）Hub reduction gear output shaft is connected on by being bonded（18）On.
5. the stepless adjustable vehicle drive system of a kind of cross-country traveling ability according to claim 1, wheelspan, it is characterised in that：
Described angle decelerator（4）Including a pair of conical gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813086.XA CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813086.XA CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104589918A CN104589918A (en) | 2015-05-06 |
| CN104589918B true CN104589918B (en) | 2017-05-31 |
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| CN201410813086.XA Active CN104589918B (en) | 2014-12-24 | 2014-12-24 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107415682B (en) * | 2017-08-07 | 2024-02-13 | 许昌职业技术学院 | Transmission system of self-propelled planting machine |
| CN111924001B (en) * | 2020-08-11 | 2023-01-13 | 山东省农业机械科学研究院 | Steering mechanism, chassis and field operation vehicle |
| CN114954708B (en) * | 2022-07-01 | 2023-04-14 | 湖南利美防爆装备制造股份有限公司 | Semi-mounted tractor |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010058705A (en) * | 2008-09-04 | 2010-03-18 | Mitsubishi Agricult Mach Co Ltd | Riding type mobile agricultural machine |
| CN201538200U (en) * | 2009-11-25 | 2010-08-04 | 中国三江航天工业集团公司特种车辆技术中心 | Driving axle for extra-heavy mine truck |
| CN201693990U (en) * | 2010-06-02 | 2011-01-05 | 山东五征集团有限公司 | Vehicle drive axle with adjustable track and ground clearance |
| CN201961100U (en) * | 2010-12-02 | 2011-09-07 | 中国一拖集团有限公司 | Final drive structure used for stepless tread-adjustable high-crop-clearance tractor |
| CN102765297B (en) * | 2011-05-03 | 2014-06-25 | 陈言平 | Adjustable drive axle for upland field sprayer |
| CN202182169U (en) * | 2011-05-31 | 2012-04-04 | 长城汽车股份有限公司 | Circulating lubrication oil channel in automobile transmission system |
| CN202242800U (en) * | 2011-10-21 | 2012-05-30 | 陈伟男 | Vehicle driving bridge with high ground clearance |
| CN203358215U (en) * | 2013-07-08 | 2013-12-25 | 临沂三禾永佳动力有限公司 | Large-ground-clearance gantry type drive axle and traveling vehicle |
| CN204322928U (en) * | 2014-12-24 | 2015-05-13 | 许昌远方工贸有限公司 | The stepless adjustable vehicle drive system of a kind of cross-country traveling ability, wheelspan |
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Inventor after: Yao Jingxiao Inventor after: Zhang Chuanbin Inventor after: Li Yanan Inventor after: Du Yuhe Inventor after: Meng Fansheng Inventor after: Li Huilai Inventor after: Liu Junhui Inventor before: Zhang Chuanbin Inventor before: Li Yanan Inventor before: Du Yuhe Inventor before: Meng Fansheng Inventor before: Li Huilai Inventor before: Liu Junhui |
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