CN206217507U - A kind of new big steering angle front drive axle of tractor - Google Patents
A kind of new big steering angle front drive axle of tractor Download PDFInfo
- Publication number
- CN206217507U CN206217507U CN201620918283.2U CN201620918283U CN206217507U CN 206217507 U CN206217507 U CN 206217507U CN 201620918283 U CN201620918283 U CN 201620918283U CN 206217507 U CN206217507 U CN 206217507U
- Authority
- CN
- China
- Prior art keywords
- drive axle
- housing
- friction
- gathering sill
- propons
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses the new big steering angle front drive axle of tractor of one kind, including drive axle body, drive axle body includes integrally formed propons housing, differential assembly and two Cardan shafts are housed in front axle housing body, on propons housing oil cylinder is driven equipped with steering, the both ends of propons housing are connected to final drive assembly, final drive assembly includes being rotatably installed in the knuckle housing of propons shell end, hub shell is rotatablely equipped with knuckle housing, pitman arm is installed on knuckle housing, pull bar is hinged with pitman arm, universal joint is provided between pull bar and the piston rod for turning to driving oil cylinder, the front-wheel inside lock of drive axle body is more than or equal to 55 °, the outer corner of the front-wheel of drive axle body is more than or equal to 42 °；Smaller compared to past radius of turn using said structure, more simply, flexibly, transmission efficiency is higher, and cost is more saved.Have the advantages that bulk strength is high and suitable paddy-field-working.
Description
Technical field
The utility model is related to a kind of front drive axle of tractor.
Background technology
Existing front drive axle of tractor it is main by propons housing, be connected to propons housing two ends knuckle, turn to it is horizontal
Pull bar and side list oil cylinder are constituted.This front driving axle is due to drag link, causing the ground gap low pass property crossed poor, and tie rod ball
Easily collide into people's muddy water, cause premature wear to fail；And side-mounted single oil cylinder steering force is small, operability is poor, left to beat turning ring
Number spins inconsistent to the number of turns with the right side, and operating portion is convenient；In addition, steering geometry reason causes steering angle less than 50 °, it is whole
Radius of turn is big when machine works, dumb.
Utility model content
Not enough in order to make up the above, the utility model is bigger there is provided a kind of convenient, flexible and steering angle of steering, and
And substantially increase the skid resistance of tractor, enhancing tractor sleet, muddy road surface by performance, can meet extremely
The new big steering angle front drive axle of tractor of severe working environment.
The technical solution of the utility model is：A kind of new big steering angle front drive axle of tractor, including drive axle body,
The drive axle body includes differential assembly and and differential assembly are housed in integrally formed propons housing, front axle housing body
Two Cardan shafts of drive connection, equipped with driving oil cylinder is turned on propons housing, the both ends of propons housing connect respectively
Final drive assembly is connected to, final drive assembly includes being rotatably installed in the knuckle housing of propons shell end, knuckle shell
Hub shell is rotatablely equipped with body, it is middle double acting steering cylinder, the knuckle housing that the steering drives oil cylinder
On pitman arm is installed, be hinged with pull bar on the pitman arm, the pull bar and the steering drive the piston rod of oil cylinder
Between be provided with universal joint, the front-wheel inside lock of the drive axle body is more than or equal to 55 °, turns outside the front-wheel of the drive axle body
Angle is more than or equal to 42 °.
Used as preferred technical scheme, the differential assembly includes the differential carrier being rotatably installed in front axle housing body
Body, is provided with the axle shaft gear being separately mounted on two Cardan shafts, in the differential carrier body in the differential carrier body
Differential mechanism bearing pin is installed, the planetary gear engaged with the axle shaft gear, the differential are installed on the differential mechanism bearing pin
Friction plate mounting seat is installed with device housing, the friction plate mounting seat is provided with gathering sill, the extension of the gathering sill
Angle is provided between direction and the contour direction of the Cardan shaft, the angle is less than 180 degree more than 0 degree, described to lead
To the active friction plate that can be moved along the gathering sill is movably installed with groove, spline housing is cased with the Cardan shaft
Cylinder, spline connection between the splined sleeve and the Cardan shaft；Also include driven friction, the splined sleeve
Outer peripheral face is provided with friction gathering sill, be movably installed with the friction gathering sill can along it is described friction gathering sill move and with actively
The driven friction that friction plate coordinates；Also include the holddown spring for keeping being compressed between active friction plate and driven friction, institute
The outer end for stating friction plate mounting seat is installed with spring base, and the outer end of the holddown spring is against the spring base inner surface,
The inner of the holddown spring compresses the active friction plate and driven friction.
As preferred technical scheme, the contour direction of the bearing of trend of the gathering sill and the Cardan shaft it
Between angle be 90 degree, the friction gathering sill is parallel to the gathering sill.
As preferred technical scheme, multiple active friction plates are installed in the friction plate mounting seat, it is described passively to rub
Pad is also multiple, and the driven friction is located between the active friction plate.
Used as preferred technical scheme, also including compressing apparatus for adjusting force, the compression apparatus for adjusting force includes being located at institute
The screwed hole on spring base is stated, puller bolt is combined with the screwed hole, the inner of the puller bolt is held out against in the pressure
The outer end of tight spring, is additionally provided with two locating slots on the inwall of the screwed hole, the puller bolt includes stud and nut, institute
State nut and be provided with two anticreep screwed holes corresponding with the locating slot, Anti-off bolt is combined with the anticreep screwed hole,
Stretch into the locating slot the inner of the Anti-off bolt.
By adopting the above-described technical solution, a kind of new big steering angle front drive axle of tractor, including drive axle body,
The drive axle body includes differential assembly and and differential assembly are housed in integrally formed propons housing, front axle housing body
Two Cardan shafts of drive connection, equipped with driving oil cylinder is turned on propons housing, the both ends of propons housing connect respectively
Final drive assembly is connected to, final drive assembly includes being rotatably installed in the knuckle housing of propons shell end, knuckle shell
Hub shell is rotatablely equipped with body, it is middle double acting steering cylinder, the knuckle housing that the steering drives oil cylinder
On pitman arm is installed, be hinged with pull bar on the pitman arm, the pull bar and the steering drive the piston rod of oil cylinder
Between be provided with universal joint, the front-wheel inside lock of the drive axle body is more than or equal to 55 °, turns outside the front-wheel of the drive axle body
Angle is more than or equal to 42 °；Due to removing track rod, raised ground gap, improve front driving axle entirely through property；Eliminate
The premature wear of steering linkage bulb, steering trapezium precision is improved while improving intensity, improves steering moment；Steering angle
The increase of degree eliminates the dead point of steering procedure so that the steering wheel left and right turn number of turns is consistent, improves operability；Using above-mentioned
Structure it is smaller compared to past radius of turn, more simply, flexibly, transmission efficiency is higher, and cost is more saved.With overall strong
Spend the advantage of high and suitable paddy-field-working.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of differential assembly in the utility model embodiment；
Fig. 4 is the structural representation of pressure-regulating device in the utility model embodiment；
Fig. 5 is the position relationship schematic diagram of screwed hole and locating slot in the utility model embodiment.
Specific embodiment
As depicted in figs. 1 and 2, a kind of new big steering angle front drive axle of tractor, including drive axle body, the driving
Bridge body includes integrally formed propons housing 1, and propons housing 1 is driven company built with differential assembly and with differential assembly
Two Cardan shafts for connecing, equipped with driving oil cylinder 3 is turned on propons housing 1, the both ends of propons housing 1 are connected to
Final drive assembly, final drive assembly includes being rotatably installed in the knuckle housing 4 of propons shell end, knuckle housing 4
On be rotatablely equipped with hub shell 5, it is described to turn to that to drive oil cylinder 3 be middle double acting steering cylinder, the knuckle housing 4
On pitman arm 6 is installed, be hinged with pull bar 7 on the pitman arm 6, the pull bar 7 and described turn to the work for driving oil cylinder 3
Universal joint 8 is provided between stopper rod, the front-wheel inside lock of the drive axle body is more than or equal to 55 °, before front-wheel inside lock is front-wheel
Hold during to deflecting to maximum angle on the outside of drive axle, the angle that tie rod arm is rotated in steering trapezium, before the drive axle body
The outer corner of wheel is more than or equal to 42 °, when the outer corner of front-wheel is that front-wheel front end deflects to maximum angle to drive axle inner side, steering trapezium
The angle that middle tie rod arm is rotated.
As shown in figure 3, the differential assembly includes the differential casing 25 being rotatably installed in front axle housing body, the difference
The axle shaft gear 14 being separately mounted on two Cardan shafts 2 is provided with fast device 25, difference is installed in the differential carrier body
Fast device bearing pin 15, is provided with the planetary gear 16 engaged with the axle shaft gear 14, the differential on the differential mechanism bearing pin 15
Friction plate mounting seat 17 is installed with device housing, the friction plate mounting seat 17 is provided with gathering sill 18, the gathering sill
Angle is provided between 18 bearing of trend and the contour direction of the Cardan shaft 2, the angle is less than 180 more than 0 degree
The active friction plate 19 that can be moved along the gathering sill 18, the cardan drive are movably installed with degree, the gathering sill 18
Splined sleeve 20, spline connection between the splined sleeve 20 and the Cardan shaft 2 are cased with axle 2；It is passive also to include
Friction plate 21, the outer peripheral face of the splined sleeve 20 is provided with friction gathering sill, and being movably installed with the friction gathering sill can edge
Friction gathering sill motion and the driven friction 21 coordinated with active friction plate 19；Also include keeping the He of active friction plate 19
The holddown spring 22 compressed between driven friction 21, the outer end of the friction plate mounting seat 17 is installed with spring base 23,
The outer end of the holddown spring 22 is against the inner surface of the spring base 23, and the inner of the holddown spring 22 compresses the active and rubs
Pad 19 and driven friction 21.
Angle between the bearing of trend of the gathering sill 18 and the contour direction of the Cardan shaft 2 is 90 degree,
The friction gathering sill is parallel to the gathering sill.
Multiple active friction plates 19 are installed, the driven friction 21 is also multiple, institute in the friction plate mounting seat
Driven friction 21 is stated to be located between the active friction plate 19.
As shown in Figure 4 and Figure 5, compression apparatus for adjusting force can also be set to compress the active friction to holddown spring
The thrust of piece 19 and driven friction 21 is adjusted, and the compression apparatus for adjusting force includes being located on the spring base 23
Screwed hole, is combined with puller bolt 9 in the screwed hole, the inner of the puller bolt 9 is held out against in the holddown spring 22
Outer end, is additionally provided with two locating slots 10 on the inwall of the screwed hole 26, the puller bolt 9 includes stud and nut 11, institute
State nut 11 and be provided with two anticreep screwed holes corresponding with the locating slot 10, anticreep spiral shell is combined with the anticreep screwed hole
Stretch into the locating slot 10 bolt 24, the inner of the Anti-off bolt 24.Puller bolt is rotated, the interior of puller bolt can be adjusted
The length that end is stretched out, so as to adjust the thrust of holddown spring, Anti-off bolt is stretched into locating slot after screwing in screwed hole, this
Sample puller bolt just can not be rotated, so as to prevent releasing for puller bolt.
Due to removing track rod, raised ground gap, improve front driving axle entirely through property；Eliminate steering
The premature wear of tie rod ball, steering trapezium precision is improved while improving intensity, improves steering moment；The increasing of steering angle
The big dead point for eliminating steering procedure so that the steering wheel left and right turn number of turns is consistent, improves operability；Using said structure
Smaller compared to past radius of turn, more simply, flexibly, transmission efficiency is higher, and cost is more saved.With bulk strength it is high with
And the advantage of suitable paddy-field-working.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (5)
1. a kind of new big steering angle front drive axle of tractor, it is characterised in that：Including drive axle body, the drive axle body
Including integrally formed propons housing, two be connected equipped with differential assembly and with differential assembly in front axle housing body
Cardan shaft, oil cylinder is driven equipped with turning on propons housing, and it is total that the both ends of propons housing are connected to final drive
Into final drive assembly includes being rotatably installed in the knuckle housing of propons shell end, is rotatablely equipped with knuckle housing
Hub shell, it is middle double acting steering cylinder that the steering drives oil cylinder, is provided with steering on the knuckle housing and shakes
Arm, is hinged with pull bar on the pitman arm, universal joint is provided between the pull bar and the piston rod of steering driving oil cylinder,
The front-wheel inside lock of the drive axle body is more than or equal to 55 °, and the outer corner of front-wheel of the drive axle body is more than or equal to 42 °.
2. new big steering angle front drive axle of tractor as claimed in claim 1 a kind of, it is characterised in that：The differential mechanism is total
Into the differential casing including being rotatably installed in front axle housing body, it is provided with the differential carrier body and is separately mounted to two universal joints
Axle shaft gear on power transmission shaft, is provided with differential mechanism bearing pin in the differential carrier body, be provided with the differential mechanism bearing pin with
The planetary gear of the axle shaft gear engagement, is installed with friction plate mounting seat, the friction plate on the differential casing
Mounting seat is provided with gathering sill, and folder is provided between the bearing of trend of the gathering sill and the contour direction of the Cardan shaft
Angle, the angle is less than 180 degree more than 0 degree, and the active that being movably installed with the gathering sill can move along the gathering sill rubs
Pad, is cased with splined sleeve on the Cardan shaft, spline connects between the splined sleeve and the Cardan shaft
Connect；Also include driven friction, the outer peripheral face of the splined sleeve is provided with friction gathering sill, activity peace on the friction gathering sill
Equipped with the driven friction that can be moved and coordinate with active friction plate along the friction gathering sill；Also include keeping active friction plate
The holddown spring compressed and driven friction between, the outer end of the friction plate mounting seat is installed with spring base, the pressure
The outer end of tight spring is against the spring base inner surface, and the inner of the holddown spring compresses the active friction plate and passively rubs
Pad.
3. new big steering angle front drive axle of tractor as claimed in claim 2 a kind of, it is characterised in that：The gathering sill
Angle between bearing of trend and the contour direction of the Cardan shaft is 90 degree, and the friction gathering sill is parallel to described
Gathering sill.
4. new big steering angle front drive axle of tractor as claimed in claim 2 a kind of, it is characterised in that：The friction plate peace
Multiple active friction plates are installed, the driven friction is also multiple, and the driven friction is located at the active on dress seat
Between friction plate.
5. new big steering angle front drive axle of tractor as claimed in claim 2 a kind of, it is characterised in that：Also include thrust
Adjusting means, the compression apparatus for adjusting force includes the screwed hole being located on the spring base, and top is combined with the screwed hole
Tight bolt, the inner of the puller bolt holds out against and is additionally provided with two on the outer end of the holddown spring, the inwall of the screwed hole
Individual locating slot, the puller bolt includes stud and nut, and the nut is provided with two anticreeps corresponding with the locating slot
Screwed hole, is combined with Anti-off bolt in the anticreep screwed hole, the inner of the Anti-off bolt is stretched into the locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918283.2U CN206217507U (en) | 2016-08-22 | 2016-08-22 | A kind of new big steering angle front drive axle of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620918283.2U CN206217507U (en) | 2016-08-22 | 2016-08-22 | A kind of new big steering angle front drive axle of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206217507U true CN206217507U (en) | 2017-06-06 |
Family
ID=58780806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620918283.2U Expired - Fee Related CN206217507U (en) | 2016-08-22 | 2016-08-22 | A kind of new big steering angle front drive axle of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206217507U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606024A (en) * | 2019-01-02 | 2019-04-12 | 盐城市荣南机械制造有限公司 | A kind of paddy field tractor front driving axle |
| CN109624611A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
| CN117643206A (en) * | 2023-12-05 | 2024-03-05 | 上海联适导航技术股份有限公司 | Unmanned farm tool mounting vehicle |
-
2016
- 2016-08-22 CN CN201620918283.2U patent/CN206217507U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624611A (en) * | 2018-12-04 | 2019-04-16 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
| CN109624611B (en) * | 2018-12-04 | 2022-05-13 | 河北铠特农业机械有限公司 | Front drive axle with large steering angle |
| CN109606024A (en) * | 2019-01-02 | 2019-04-12 | 盐城市荣南机械制造有限公司 | A kind of paddy field tractor front driving axle |
| CN109606024B (en) * | 2019-01-02 | 2023-09-22 | 盐城市荣南机械制造有限公司 | Front drive axle of paddy field tractor |
| CN117643206A (en) * | 2023-12-05 | 2024-03-05 | 上海联适导航技术股份有限公司 | Unmanned farm tool mounting vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20190822 |