CN106427453A - Adaptive leveling suspension - Google Patents
Adaptive leveling suspension Download PDFInfo
- Publication number
- CN106427453A CN106427453A CN201610975279.4A CN201610975279A CN106427453A CN 106427453 A CN106427453 A CN 106427453A CN 201610975279 A CN201610975279 A CN 201610975279A CN 106427453 A CN106427453 A CN 106427453A
- Authority
- CN
- China
- Prior art keywords
- extension spring
- boom
- suspension
- self adaptation
- chassis
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
- B62D61/10—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with more than four wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Soil Working Implements (AREA)
Abstract
The invention belongs to the technical field of agricultural machines, and discloses an adaptive leveling suspension. The adaptive leveling suspension comprises a front cantilever, a rear cantilever, a front tension spring, a rear tension spring, a supporting rod, wheels and a support, wherein one end of the front cantilever, one end of the rear cantilever and one end of the supporting rod are connected in a rotating mode around a point A on the support, the other end of the front cantilever and the other end of the rear cantilever are connected with the wheels in a rotating mode respectively, the other end of the supporting rod is connected with the front tension spring and the rear tension spring, and the other end of the front tension spring and the other end of the rear tension spring are connected with the front cantilever and the rear cantilever respectively. Four or six adaptive leveling suspensions are installed on the same frame through supports and are symmetrically arranged about the central longitudinal plane of the frame according to a set axle base and a set wheel track, and an adaptive leveling chassis is formed. When the chassis passes through an uneven ground, adaptive adjustment of the height is conducted through the suspensions, the variation, caused by terrain changes, of the roll angle and the pitch angle of the chassis is reduced, dynamic leveling of the chassis is achieved, and the working requirement of an agricultural power chassis on a hilly slope is met.
Description
Technical field
The present invention relates to a kind of self adaptation leveling suspension, belong to agricultural machinery technological field, particularly to a kind of hillside
Ground farm power chassis level adjusts suspension and the hilly upland farm power chassis with this suspension.
Background technology
China Hills account for area 2/3, and grain yield accounts for national total output 1/3, and economy and special crop produce
Amount accounts for total amount more than 50%, occupies very important status in China's agricultural production.Add with Tendency of Agricultural Machinery in China process
Hurry up, peasant is increasingly urgent to the small farm machine demand adapting to hilly upland operation, but Hills are with a varied topography, and ground is concavo-convex
Injustice, the less stable that vehicle chassis travels, thus affecting traveling on hilly upland for the vehicle and operation, study agricultural vehicle
Chassis leveling technology improving the adaptability to hilly upland for the chassis, meet hilly upland farm power chassis complete plant protection,
The job task such as harvest, transport to require.
Compartment is provided with farm power chassis and can realize picking fruit collection operation and cargo transport, chassis is arranged
There is corresponding miscellaneous equipment can realize the job tasks such as plant protection, results, the walking of hilly upland farm power chassis, operation ground
When uneven, larger on overall performance, walking stability, operation quality impact.For meeting hilly upland farm power chassis
Job requirements, have a variety of modes to realize the Level tune to vehicle chassis at present.Chinese patent CN1579121A discloses
A kind of hillside tractor, this machine can realize vehicle bottom according to the difference in height of mountain region operation ground line gradient size adjustment two driving wheel
Disk Level tune, but it is only applicable to 2 wheel tractors, may not apply to 4 wheel agri-vehicles；Chinese patent CN102975787A
With CN102975786A individually disclose a kind of vehicle chassis transverse horizontal self-checking device and vehicle chassis vertical equity from
It is ensured that chassis is in walking, in operation process, laterally or longitudinally level automatically adjusts dynamic adjusting means, but it realizes vehicle bottom
Disk Level tune in a single direction, limits walking, the operating direction on chassis.Therefore, for the special agricultural of hilly upland
Terrain environment explores a kind of self adaptation leveling suspension and the hilly upland farm power chassis applying this suspension, for Hills
The development of mechanization of agriculture has important function.
Content of the invention
The invention aims to providing a kind of self adaptation leveling suspension, will for the chassis operation of hilly upland farm power
Ask, when uneven ground is passed through on chassis, wheel Level Change, cause cantilever variable angle, lead to suspension height to change, reduce
Caused angle of heel and the angle of pitch variable quantity on chassis by topography variation, realize the dynamic leveling on chassis, meet hilly upland agricultural
Power chassis job requirements.
As follows in order to reach the technical scheme that the purpose of the present invention taken：
Self adaptation leveling suspension includes：Front boom 1, back boom 2, front extension spring 3, rear extension spring 4, support rod 5, wheel 6, support
7, front boom 1, back boom 2, one end of support rod 5 rotate together about A point on support 7 and connect, pivot center a, front boom 1 and after
The other end of cantilever 2 is rotated with wheel 6 respectively and is connected, and the pivot center of each wheel is parallel with axis a, front boom 1 and back boom 2
Length b is equal, and the other end of support rod 5 is connected with front extension spring 3 and rear extension spring 4, and the other end of front extension spring 3 and rear extension spring 4 is respectively
It is connected with front boom 1, back boom 2, front extension spring 3 and front boom 1 tie point and rear extension spring 4 and back boom 2 tie point are to axis a's
Apart from equal, front boom 1, back boom 2, front extension spring 3, rear extension spring 4, support rod 5, wheel 6 phase in the plane perpendicular to axis a
Support 7 is moved；When self adaptation leveling suspension is in running order, front extension spring 3 and rear extension spring 4 are deformed by equilibrant force effect, front
On cantilever 1 and back boom 2 opposite brackets 7, A point rotates and forms cantilever angle g, and it is high for suspension that two wheel centers link to A point distance
Degree h=b*cos (g/2).
During self adaptation leveling suspension work, when wheel passes through raised ground rising, front extension spring and rear extension spring are simultaneously
Stretching, deflection increase, and cantilever angle g increases, and suspension height h reduces, and support diminishes relative to the rise of ground level；Work as car
When wheel is declined by recessed ground, front extension spring and rear extension spring discharges simultaneously, deflection reduces, cantilever angle g reduces, suspension height
H increases, and support diminishes relative to the slippage of ground level；When wheel passes through uneven ground, wheel opposite brackets highly change
Become, cause cantilever angle g to change, lead to suspension height h to change, reduce and cause support high relative to ground by ground level change
Degree variable quantity.
In above-mentioned self adaptation leveling suspension, remove support rod 5, front extension spring 3 and rear extension spring 4 are replaced by an extension spring 8, draws
Spring 8 two ends are connected with front boom 1, back boom 2 respectively, and the distance of two tie points to axis a is equal, equally can realize suspension
Self adaptation levelling function.
Present invention also offers a kind of chassis of application self adaptation leveling suspension, including：Four or six self adaptation leveling
Suspension is arranged on same vehicle frame by support 7, according to given wheelbase and wheelspan with vehicle frame central authorities longitudinal direction plane symmetry arrangement,
Form a kind of self adaptation leveling chassis.
In walking, operation process, when wheel passes through uneven ground, wheel is relative to chassis on self adaptation leveling chassis
Height of chassis above ground change, cause cantilever angle g change, lead to suspension height h change, in four or six self adaptation leveling suspensions
Collective effect under reduce angle of heel and the angle of pitch variable quantity being caused chassis by topography variation, adaptive by each suspension height h
Should adjust, realize the dynamic leveling on chassis, meet hilly upland farm power chassis job requirements.
The beneficial effects of the present invention is, a kind of self adaptation leveling suspension and the chassis applying this suspension, walking, work are proposed
When during industry, uneven ground is passed through on chassis, suspension height self-adaptative adjustment, reduce the side being caused chassis by topography variation
Inclination angle and angle of pitch variable quantity, realize the self adaptation dynamic leveling on chassis, meet hilly upland farm power chassis job requirements,
This suspension can realize the profiling to ground simultaneously, improves the adaptability to Different Ground for the chassis.
Brief description
Fig. 1 is self adaptation leveling suspension theory of constitution figure；
Fig. 2 is another embodiment schematic diagram of self adaptation leveling suspension；
Fig. 3 is the farm power chassis theory of constitution figure with self adaptation leveling suspension；
Fig. 4 is the farm power chassis fundamental diagram with four self adaptation leveling suspensions；
Fig. 5 is the farm power chassis fundamental diagram with six self adaptation leveling suspensions；
In figure, 1：Front boom；2：Back boom；3：Front extension spring；4：Extension spring afterwards；5：Support rod；6：Wheel；7：Support；8：Draw
Spring.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.
Self adaptation leveling suspension theory of constitution figure shown in Fig. 1, self adaptation leveling suspension includes：Front boom 1, back boom 2,
Front extension spring 3, rear extension spring 4, support rod 5, wheel 6, support 7, front boom 1, back boom 2, one end of support rod 5 are together about support 7
Upper A point rotates and connects, pivot center a, and the other end of front boom 1 and back boom 2 is rotated with wheel 6 respectively and is connected, each wheel
Pivot center is parallel with axis a, and front boom 1 and back boom 2 length b are equal, the other end of support rod 5 and front extension spring 3 and post-tensioning
Spring 4 connects, and the length taking support rod 5 is b/2, and the other end of front extension spring 3 and rear extension spring 4 is respectively with front boom 1, back boom 2 even
Connect, front extension spring 3 and front boom 1 tie point are equal to the distance of axis a with rear extension spring 4 and back boom 2 tie point, take this distance to be
B/2, front boom 1, back boom 2, front extension spring 3, rear extension spring 4, support rod 5, wheel 6 prop up in the plane perpendicular to axis a relatively
Frame 7 moves；When self adaptation leveling suspension is in running order, front extension spring 3 and rear extension spring 4 are deformed by equilibrant force effect, front boom 1
Rotate with A point on back boom 2 opposite brackets 7 and form cantilever angle g, it is suspension height h=that two wheel centers link to A point distance
B*cos (g/2), two wheel centers are more than wheel diameter apart from 2*b*sin (g/2).
During self adaptation leveling suspension work, when wheel passes through raised ground rising, front extension spring and rear extension spring are simultaneously
Stretching, deflection increase, and cantilever angle g increases, and suspension height h reduces, and support diminishes relative to the rise of ground level；Work as car
When wheel is declined by recessed ground, front extension spring and rear extension spring discharges simultaneously, deflection reduces, cantilever angle g reduces, suspension height
H increases, and support diminishes relative to the slippage of ground level；When wheel passes through uneven ground, wheel opposite brackets highly change
Become, cause cantilever angle g to change, lead to suspension height h to change, reduce and cause support high relative to ground by ground level change
Degree variable quantity.
Another embodiment schematic diagram of self adaptation leveling suspension shown in Fig. 2, in self adaptation leveling suspension, removes support rod
5, front extension spring 3 and rear extension spring 4 are replaced by an extension spring 8, extension spring 8 two ends are connected with front boom 1, back boom 2 respectively, two tie points
Equal to the distance of axis a, take this distance for b/2, equally can realize the self adaptation levelling function of suspension, compare above-mentioned Fig. 1
Shown self adaptation leveling suspension, this suspension frame structure is simple, low cost.
The farm power chassis theory of constitution figure with self adaptation leveling suspension shown in Fig. 3, four self adaptation leveling are hanged
Frame is arranged on same vehicle frame by support, according to given wheelbase A1A2With wheelspan with vehicle frame central authorities longitudinal direction plane symmetry arrangement,
Form eight wheel self adaptation leveling chassis, load w, operating speed v are born in chassis, and front boom angle is g1, back boom angle be g2；
When in walking, operation process, sustained height relatively flat ground is passed through on chassis, g1≈g2, the cantilever of four self adaptation leveling suspensions
Angle is approximately the same, the suspension height approximately equal of each self adaptation leveling suspension, and the angle of heel on chassis and the angle of pitch meet agriculture
Use power chassis job requirements；When in walking, operation process, differing heights uneven ground is passed through on chassis, as shown in figure 4, point
Analyse the same side two self adaptation leveling suspension, each suspension height self-adaptative adjustment principle is：The wheel of front suspension passes through raised ground
Face raises, front boom angle g1Increase, front suspension highly reduces, and the wheel of rear suspension is reduced by recessed ground, back boom presss from both sides
Angle g2Reduce, rear suspension highly increases, and reduces and caused by topography variation under the collective effect of four self adaptation leveling suspensions
The angle of heel on chassis and the variable quantity of the angle of pitch, realize the self adaptation dynamic leveling on chassis, meet hilly upland farm power bottom
Disk function demand.
The farm power chassis fundamental diagram with six self adaptation leveling suspensions shown in Fig. 5, six self adaptations are adjusted
Flat suspension is arranged on same vehicle frame by support, according to given wheelbase A1A2、A2A3With wheelspan with vehicle frame central authorities fore-and-aft plane
It is arranged symmetrically, form 12 wheel self adaptation leveling chassis.Load w, operating speed v are born in chassis, and front boom angle is g1, in outstanding
Arm angle g2, back boom angle be g3；When in walking, operation process, differing heights uneven ground is passed through on chassis, analysis is same
Side three self adaptation leveling suspension, each suspension height self-adaptative adjustment principle is：The wheel of front suspension passes through raised ground and raises,
Front boom angle g1Increase, front suspension highly reduces, the wheel of middle suspension is by concavo-convex fluctuation height above average terrain, middle cantilever folder
Angle keeps g2, middle suspension holding corresponding height, the wheel of rear suspension is reduced by recessed ground, back boom angle g3Reduce, rear overhang
Frame highly increases, and due to topography variation in Fig. 5, the cantilever angle of each self adaptation leveling suspension is different, g1>g2>g3, each suspension
Height adaptive adjustment, reduce the side being caused chassis by topography variation under the collective effect of six self adaptation leveling suspensions
Inclination angle and the variable quantity of the angle of pitch, realize the self adaptation dynamic leveling on chassis, and meeting the effect of hilly upland farm power chassis will
Ask.
Claims (3)
1. a kind of self adaptation leveling suspension is it is characterised in that include：Front boom, back boom, front extension spring, rear extension spring, support rod,
Wheel, support, front boom, back boom, one end of support rod rotate together about A point on support and connect, pivot center a, front boom
It is connected with vehicle wheel rotation respectively with the other end of back boom, the pivot center of each wheel is parallel with axis a, front boom and back boom
Length b is equal, and the other end of support rod is connected with front extension spring and rear extension spring, the other end of front extension spring and rear extension spring respectively with front overhang
Arm, back boom connect, and front extension spring and front boom tie point are equal with the distance of rear extension spring and back boom tie point to axis a, front
The opposite brackets motion in the plane perpendicular to axis a of cantilever, back boom, front extension spring, rear extension spring, support rod, wheel；
When self adaptation leveling suspension is in running order, front extension spring and rear extension spring are deformed by equilibrant force effect, front boom and rear overhang
On arm opposite brackets, A point rotates and forms cantilever angle g, and two wheel centers link to A point distance for suspension height h=b*cos (g/
2)；During self adaptation leveling suspension work, when wheel passes through uneven ground, wheel opposite brackets Level Change, cause
Cantilever angle g changes, and leads to suspension height h to change, and reduces and causes support relative to ground height change by ground level change
Amount.
2. self adaptation leveling suspension according to claim 1, it is characterised in that removing support rod, is replaced by an extension spring
Front extension spring and rear extension spring, extension spring two ends are connected with front boom, back boom respectively, and the distance of two tie points to axis a is equal, equally
The self adaptation levelling function of suspension can be realized.
3. apply the chassis of self adaptation leveling suspension, including：Four or six self adaptation leveling suspensions by support be arranged on
On one vehicle frame, according to given wheelbase and wheelspan with vehicle frame central authorities longitudinal direction plane symmetry arrangement, form a kind of self adaptation leveling bottom
Disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975279.4A CN106427453A (en) | 2016-11-07 | 2016-11-07 | Adaptive leveling suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975279.4A CN106427453A (en) | 2016-11-07 | 2016-11-07 | Adaptive leveling suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106427453A true CN106427453A (en) | 2017-02-22 |
Family
ID=58180167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975279.4A Pending CN106427453A (en) | 2016-11-07 | 2016-11-07 | Adaptive leveling suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106427453A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128370A (en) * | 2017-12-29 | 2018-06-08 | 江苏集萃智能制造技术研究所有限公司 | The unmanned chassis of full landform and method of work based on the driving of 8 × 8 type distributions |
| CN108909876A (en) * | 2018-07-27 | 2018-11-30 | 哈尔滨玄智科技有限公司 | A kind of omnidirectional's obstacle detouring climbs bottom of the building disk |
| CN111408088A (en) * | 2020-04-20 | 2020-07-14 | 何大安 | Fire-fighting robot host |
| CN112223973A (en) * | 2020-10-15 | 2021-01-15 | 重庆涵拓科技有限公司 | Balance arm suspension and chassis with same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653455A (en) * | 1969-08-01 | 1972-04-04 | Allan E Hetteen | Off-road vehicle wheel suspension |
| CN101407174A (en) * | 2008-11-25 | 2009-04-15 | 中国农业大学 | Walking device |
| CN104999882A (en) * | 2015-06-18 | 2015-10-28 | 江苏元中直流微电网有限公司 | Three-spring telescopic type self-buffering efficient obstacle surmounting device for detection trolley |
-
2016
- 2016-11-07 CN CN201610975279.4A patent/CN106427453A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3653455A (en) * | 1969-08-01 | 1972-04-04 | Allan E Hetteen | Off-road vehicle wheel suspension |
| CN101407174A (en) * | 2008-11-25 | 2009-04-15 | 中国农业大学 | Walking device |
| CN104999882A (en) * | 2015-06-18 | 2015-10-28 | 江苏元中直流微电网有限公司 | Three-spring telescopic type self-buffering efficient obstacle surmounting device for detection trolley |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128370A (en) * | 2017-12-29 | 2018-06-08 | 江苏集萃智能制造技术研究所有限公司 | The unmanned chassis of full landform and method of work based on the driving of 8 × 8 type distributions |
| CN108128370B (en) * | 2017-12-29 | 2023-11-10 | 江苏集萃智能制造技术研究所有限公司 | All-terrain unmanned vehicle chassis based on 8X 8 type distributed driving and working method |
| CN108909876A (en) * | 2018-07-27 | 2018-11-30 | 哈尔滨玄智科技有限公司 | A kind of omnidirectional's obstacle detouring climbs bottom of the building disk |
| CN111408088A (en) * | 2020-04-20 | 2020-07-14 | 何大安 | Fire-fighting robot host |
| CN112223973A (en) * | 2020-10-15 | 2021-01-15 | 重庆涵拓科技有限公司 | Balance arm suspension and chassis with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106427454A (en) | Self-adaptive leveling chassis | |
| CN106427453A (en) | Adaptive leveling suspension | |
| CN105172894B (en) | Vehicle chassis | |
| CN104955663B (en) | Rear axle of a two-track vehicle | |
| CN203279475U (en) | Steering device, high crop clearance chassis comprising same, and sprayer | |
| CN105377677B (en) | For the device and method for making to be rotated between tandem type shaft or crawler type axle and vehicle body | |
| RU2430498C1 (en) | Sowing combine | |
| CN109906700A (en) | A kind of novel orchard operation platform levelling device | |
| GB2474812A (en) | Suspension for an agricultural machine | |
| CN108100066A (en) | A kind of adjustable creeper undercarriage and tractor | |
| CN106965627A (en) | Road clearance adjustable multifunctional tractor chassis | |
| CN102907196B (en) | The dual-purpose vehicle frame of field cleaning device and rice transplanter | |
| CN107628136A (en) | A kind of crawler tractor side leveling device based on parallel four-bar suspension fork mechanism | |
| CN205951654U (en) | Horizontal levelling device of crawler tractor based on parallel four bars suspension mechanism | |
| CN203015411U (en) | High-and-low position multi-purpose field work vehicle | |
| CN103053234B (en) | Two-dimensional translation lifting type farm-oriented vehicle frame | |
| CN202979608U (en) | Two-dimensional manual translational agricultural frame | |
| CN216033597U (en) | Chassis attitude adjusting mechanism of lifting operation platform | |
| CN109329253B (en) | Self-propelled high-clearance sprayer chassis device | |
| CN210502869U (en) | Automatic width-adjusting damping chassis structure | |
| CN209719189U (en) | A kind of high-clearance damper of vehicle | |
| CN105075475B (en) | A kind of automatic bottom kind machine of sugarcane | |
| CN202949697U (en) | Dual-purpose frame of field operating vehicle | |
| CN103004314A (en) | Manual two-dimensional translational lifting type agricultural vehicle frame | |
| CN202958119U (en) | Two-dimensional translation-lifting type farm-oriented frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
|
| RJ01 | Rejection of invention patent application after publication |