CN102529629A - Vehicle chassis height regulating suspension and vehicle with same - Google Patents
Vehicle chassis height regulating suspension and vehicle with same Download PDFInfo
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- CN102529629A CN102529629A CN2011104579541A CN201110457954A CN102529629A CN 102529629 A CN102529629 A CN 102529629A CN 2011104579541 A CN2011104579541 A CN 2011104579541A CN 201110457954 A CN201110457954 A CN 201110457954A CN 102529629 A CN102529629 A CN 102529629A
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Abstract
The invention relates to the technical field of vehicle parts, in particular to a vehicle chassis height regulating suspension and a vehicle with the suspension. The vehicle chassis height regulating suspension comprises a vehicle frame fixedly connected with a vehicle chassis and support rods (4) which are fixedly connected with wheel shafts (6) of the vehicle in vertical direction, and a parallelogram connecting rod mechanism is connected between the vehicle frame and the support rods (4); and the vehicle frame can adjust the height in the vertical direction relative to the positions of wheels. According to the vehicle chassis height regulating suspension and the vehicle, provided by the invention, the height of the vehicle chassis can be actively adjusted, an adjustment range exceeds the diameter of tires of the wheels, the height of the vehicle chassis is increased, the passing ability of the vehicle is greatly changed so as to adapt to the operation requirements of crops during the middle and late growth stages and long-stalked crops on farmland machinery, and the height of the vehicle chassis can be further reduced to adapt to the requirements of the crops during the early growth stage and short crops on farm work.
Description
Technical field
The present invention relates to the vehicle part technical field, particularly a kind of vehicle chassis height adjustment suspension and vehicle with this suspension.
Background technology
Along with the development of Tendency of Agricultural Machinery in Chinaization and the raising day by day of living standards of the people, people have higher requirement to farm working machinery.Because after the field crops plantation; Intertillage, weeding, spray insecticide and field management operation such as fertilising all has higher requirement to the field machine crossing ability; Therefore need more urgently initiatively to adjust the vehicle chassis height significantly to improve trafficability; Along with highly increasing in the process of crop growth and the field management operations of long-stalked crops, require setting range to surpass diameter of tyres usually.There are a variety of modes to realize adjustment at present to the vehicle chassis height; Application number is that 200610018159.1 patent of invention has comprised a kind of air suspension; The variation that gas is realized chassis clearance that charges and discharge through air bellow; But adjustment amount is less, far can not satisfy the requirement of field vehicle chassis height.Application number is 200510084634.0 patent of invention; Change the height of suspension support through height controller, can adjust the passenger-car chassis height within the specific limits indirectly, improve certain traveling comfort and stability with respect to vehicle body; But complex structure, high, the poor rigidity of cost; Mainly be used on the car, and because structural limitations makes adjustment amount less, still can not satisfy field management operation in the field-crop whole growth process and can realize the requirement adjusted significantly to the vehicle chassis height.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve provides a kind of vehicle chassis height adjustment suspension and vehicle, realizes that the variation significantly of vehicle chassis height and setting range surpass the wheel tyre diameter, to adapt in the process of crop growth requirement to farm working machinery.
(2) technical scheme
In order to solve the problems of the technologies described above; The present invention provides a kind of vehicle chassis height adjustment suspension; It comprises: the vehicle frame of captiveing joint with vehicle chassis with the strut bar that the wheel of vehicle axle is captiveed joint at vertical direction, is connected parallelogram linkage between said vehicle frame and the said strut bar; Said vehicle frame is with respect to the adjustable height of wheel position in the vertical direction.
Further, said vehicle frame comprise be fixedly connected on the vehicle chassis upper plate, with base plate middle part two symmetrically arranged rectilinear orbits connected vertically, being installed with respectively on said two rectilinear orbits can be along its slide block that slides up and down;
Said parallelogram linkage comprises: be vertically fixed on the support arm at base plate two ends, the last rocking bar that is articulated and connected with the last point of connection and the following point of connection of said support arm respectively and rocking bar down, the said articulated position that goes up rocking bar and the last point of connection of said support arm be positioned at said on the middle part of rocking bar; It is hinged with said strut bar respectively that said rocking bar down reaches the other end of going up rocking bar, and said rocking bar down and last rocking bar are for laterally arranging;
Said opposite end of going up rocking bar and said strut bar coupling end is hinged with connecting rod, and said rod hinge connection arrives the fixed connection point with said slide block homonymy.
Further, said vehicle chassis height adjustment suspension is symmetrically distributed with the line of centers between said two rectilinear orbits.
Further, the bottom of said two slide blocks connects elastomeric element respectively, and said elastomeric element slides with the slide block of homonymy.
Further, also comprise a pressing plate, said pressing plate laterally is positioned at the bottom of two elastomeric elements and is connected on two rectilinear orbits, is used to compress said elastomeric element.
Further, said pressing plate is connected with actuating device.
Further, said actuating device is a hydraulic efficiency gear.
Further, said pressing plate is provided with position locking mechanism, is used to lock the height and position of said pressing plate with respect to said rectilinear orbit.
Further, said position locking mechanism is a fluid control valve.
On the other hand, the present invention also provides a kind of vehicle with this suspension, comprises above-mentioned vehicle chassis height adjustment suspension, and said vehicle chassis height adjustment suspension is installed in the left and right sides of vehicle chassis.
Further, when vehicle was positioned on the broken terrain, four slide blocks that are arranged in the vehicle chassis height adjustment suspension of the vehicle chassis left and right sides were in the differing heights position on rectilinear orbit separately, and said vehicle chassis keeps level constant.
(3) beneficial effect
The vehicle chassis height adjustment suspension that technique scheme provided; Can initiatively adjust vehicle chassis height and setting range and surpass the wheel tyre diameter; Increase the vehicle chassis height, change trafficability significantly, to adapt to plant growth middle and later periods and long-stalked crops job requirements farmland machinery; Can be through reducing the vehicle chassis height, to adapt to the farm work requirement of plant growth initial stage and short crop.
Description of drawings
Fig. 1 is the structural representation of embodiment of the invention vehicle chassis height adjustment suspension;
Fig. 2 is the vehicle chassis fundamental diagram that the embodiment of the invention can initiatively be adjusted height;
Fig. 3 is the fundamental diagram that the embodiment of the invention increases the vehicle chassis height;
Fig. 4 is the fundamental diagram that the embodiment of the invention reduces the vehicle chassis height;
Wheel was to ground profiling schematic diagram when Fig. 5 was embodiment of the invention vehicle chassis altitude hold.
Wherein, 1: slide block; 2: connecting rod; 3: go up rocking bar; 4: strut bar; 5: following rocking bar; 6: axletree; 7: vehicle frame; 71: base plate; 72: rectilinear orbit; 73: support arm; 8: spring; 9: pressing plate; 11: the chassis; 12: wheel.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
As shown in Figure 1; A kind of vehicle chassis height adjustment suspension that provides for the embodiment of the invention; Comprise: the vehicle frame 7 of captiveing joint with vehicle chassis 11 with the strut bar 4 that wheel of vehicle axle 6 is captiveed joint at vertical direction, is connected with parallelogram linkage between vehicle frame and the strut bar 4; Vehicle frame is with respect to the adjustable height of wheel position in the vertical direction.Being provided with of parallelogram linkage can be realized vehicle frame with respect to significantly the swinging in short transverse of wheel position, thereby realizes the adjusting of the height between vehicle chassis 11 and the wheel.
Vehicle frame (in the accompanying drawing vehicle frame be shaped as inverted T shape) comprises two symmetrically arranged rectilinear orbits 72 of base plate 71 and perpendicular captive joint, and being installed with respectively on the rectilinear orbit 72 can be along its slide block that slides up and down 1.Wherein, Parallelogram linkage comprises: be vertically fixed on the support arm 73 of base plate 71 ends, the last rocking bar 3 that is articulated and connected with the last point of connection and the following point of connection of support arm 73 respectively and rocking bar 5 down, the articulated position of the last point of connection E of last rocking bar 3 and support arm 73 is positioned at the middle part of rocking bar 3; It is hinged with strut bar 4 respectively that following rocking bar 5 reaches the other end of going up rocking bar 3, and following rocking bar 5 and last rocking bar 3 are for laterally arranging; Last rocking bar 3 is hinged with connecting rod 2 with the opposite end of strut bar 4 coupling ends, and connecting rod 2 is hinged to the fixed connection point with slide block 1 homonymy.
The vehicle chassis height adjustment suspension that present embodiment provides both can be to be connected with independent wheel 7, also can be arranged to left-right symmetric, was connected with the wheel of its both sides simultaneously, and realization is integrally-regulated to vehicle chassis 11 1 sides.
Preferably; Vehicle chassis height adjustment suspension is symmetrical distribution with the line of centers MN between two rectilinear orbits, and concrete structure is referring to the annexation between slide block 1, connecting rod 2, last rocking bar 3, strut bar 4, following rocking bar 5, axletree 6, wheel 12 and vehicle frame and each parts in the accompanying drawing 1.Vehicle frame 7 is provided with base plate 71 and and symmetrically arranged two rectilinear orbits 72 vertical with base plate 71; Two support arms 73 of the vertical respectively connection in the two ends of this base plate 71; These two support arms 73 are provided with upper left point of connection E, a left side point of connection F, upper right point of connection G, bottom right point of connection H down; Two arm length equate that E, F, G, 4 of H are positioned on four summits of a rectangle, and left and right sides support arm 73 is about the symmetry of the line of centers MN between two rectilinear orbits 72; Two rectilinear orbits 72 are positioned at the vehicle central plane and are in same plane with support arm 73, and rectilinear orbit 72 length are usually greater than the length of support arm 73; Slide block 1 moves on the rectilinear orbit 72 of homonymy respectively and connects; Left point of connection, the lower extreme point that the upper extreme point of connecting rod 2 is articulated in slide block 1 is articulated in the right endpoint of rocking bar 3; The right endpoint of following rocking bar 5 is articulated in point of connection F under the left side on the vehicle frame; The middle part of last rocking bar 3 is articulated in the equal in length of distance and following rocking bar 5 of upper left point of connection E and its left end point hinge-point to the middle part of vehicle frame; The equal in length of the support arm that be positioned at left end 73 of left end point and its upper extreme point that left end point, the center that the upper extreme point of strut bar 4 is articulated in rocking bar 3 is articulated in down rocking bar 5 on the distance of middle part hinge-point and the vehicle frame, last rocking bar 3, rocking bar 5, strut bar 4 constitute parallel-crank mechanism with the support arm that is positioned at left end 73 on the vehicle frame on same plane down; The lower extreme point of axletree 6 and strut bar 4 is vertical be connected and its axis normal in the parallel-crank mechanism plane of movement; Spring members is connected in the bottom of slide block 1; Elastomeric element in the present embodiment adopts spring 8, but also can adopt other to have elastically-deformable elastomeric element.This spring 8 can slide along rectilinear orbit 72 with slide block 1 always, and forming a car left side half actuating device is 1-2-3-4-12-8, and in like manner, right half actuating device is the same and symmetrical with the result of left half actuating device.The shared same vehicle frame 7 of left and right half actuating device constitutes vehicle chassis height adjustment suspension.When the distance between the base plate 71 on pressing plate 9 and the vehicle frame 7 is S; The ground-surface height of base plate 71 distances on the vehicle frame is h; By outside force change between pressing plate 9 and the base plate 71 apart from S, through parallel-crank mechanism, can change base plate 71 apart from ground-surface height h.
For realizing the adjusting to vehicle chassis height adjustment suspension, pressing plate 9 is connected with actuating device, and pressing plate 9 also is provided with position locking mechanism (not shown in the accompanying drawing), is used to lock the height and position of said pressing plate with respect to said rectilinear orbit.Preferably, actuating device is a hydraulic efficiency gear, and position locking mechanism is a fluid control valve.
In conjunction with shown in Fig. 2 to 5, the embodiment of the invention also provides a kind of vehicle, comprises the vehicle chassis height adjustment suspension of foregoing description, and this vehicle chassis height adjustment suspension is installed in relative both sides, chassis 11.Preferably, vehicle chassis height adjustment suspension is positioned at the right ends on chassis 11.
Be illustrated in figure 2 as vehicle chassis height adjustment suspension fundamental diagram; Two groups of vehicle chassis height adjustment suspensions are arranged on the left and right sides on same chassis 11 according to given axletree distance; Shared same vehicle central plane produces the distance between the base plate 71 on two pressing plates 9 and the vehicle frame in the vehicle chassis height adjustment suspension that propulsive efforts change the left and right sides simultaneously through two groups of hydraulic rams, and the pressing plate 9 of the maintenance left and right sides equates with the distance between the base plate 71; Pass through parallel-crank mechanism; Make base plate 71 apart from ground-surface Level Change, realize the adjustment of vehicle chassis 11 height, fluid control valve or mechanical locking device are passed through in the adjustment back; The distance that is fixed between left and right sides pressing plate 9 and the base plate 71 is constant, can keep one of vehicle chassis 11 to confirm height.In the process of moving; Lock the relative motion of pressing plate 9 with the rectilinear orbit 72 of the vehicle chassis height adjustment suspension that is arranged in the left and right sides; So that the vertical load in the face of wheel 12 is delivered to the pressure on the pressing plate 9 through parallel-crank mechanism, slide block 1 and spring 8 evenly, the vehicle chassis 11 of height can be initiatively adjusted in formation.In the chassis height adjustment process; Because the strut bar 4 of parallel-crank mechanism is parallel with the support arm 73 on the vehicle frame; And support arm 73 is vertical with base plate 71 on the vehicle frame, so strut bar 4 is vertical with base plate 71 all the time, again because of wheel 12 pivots center and axletree 6 conllinear; Cause the plane of rotation of wheel 12 parallel with strut bar 4; So wheel 12 all the time with vehicle frame on base plate 71 vertical, go at vehicle chassis, in the operation process, four wheels all can remain with vehicle frame on the vertical and wheelbase of base plate 71 remain constant.In the chassis height adjustment process, adjustment two pressing plates 9 equidistance move continuously simultaneously, can realize the step-less adjustment of vehicle chassis height.
The fundamental diagram of increase vehicle chassis height as shown in Figure 3, when vehicle chassis in that smooth ground is up when sailing, the suffered vertical load of four wheels is identical, the base plate on the vehicle frame equates apart from the distance of each wheel rotation axis.Produce propulsive efforts through two groups of hydraulic rams and increase two sliding pressure plates 9 and the distance between the base plate 71 on the vehicle frame in the left and right vehicle chassis height adjustment suspension simultaneously; Keep left and right sides pressing plate 9 to equate with distance between the base plate 71; Through spring 8, slide block 1 and parallel-crank mechanism, the ground-surface height of base plate 71 distances is increased, the adjustment back is through fluid control valve or mechanical locking device; The pressing plate 9 and the distance between the base plate 71 that are fixed in the chassis left and right sides are constant; Obtain a higher vehicle chassis height, improve the through performance of vehicle chassis, so that satisfy the farm work requirement of plant growth middle and later periods and long-stalked crops; In the adjustment process, when connecting rod 2 and last rocking bar 3 conllinear, reach the highest carrying capacity of vehicle chassis.
The fundamental diagram of reduction vehicle chassis height as shown in Figure 4; Producing propulsive effort through two groups of hydraulic rams reduces in the pressing plate 9 of the chassis left and right sides and the distance between the base plate 71 on the vehicle frame simultaneously; Keep pressing plate 9 to equate,, can make base plate 71 apart from ground-surface height reduction through spring 8, slide block 1 and parallel-crank mechanism with distance between the base plate 71; The adjustment back is through fluid control valve or mechanical locking device; Distance between fixation clip 9 and the base plate 71 is constant, obtains a lower vehicle chassis 11 height, to adapt to the farm work requirement of plant growth initial stage and short crop.The vehicle chassis that can initiatively adjust height by shown in Figure 3 is in higher through performance mode of operation; Contrasting the vehicle chassis 11 that can initiatively adjust height shown in Figure 4 is in low through the performance mode of operation; Chassis 11 height adjustment range can adapt to the farm work requirement in the crop whole growth process greater than wheel 12 diameter of tyres.
Wheel is to the fundamental diagram of ground profiling during vehicle chassis altitude hold as shown in Figure 5.When vehicle chassis goes on broken terrain, during operation; Four vertical load differences that wheel is suffered; Ground passes on the spring through parallel-crank mechanism and slide block in the face of the pressure of wheel, and deflection of spring is to absorb the pressure of ground in the face of wheel, and slide block fluctuates along rectilinear orbit; Guarantee the wheel close proximity to ground, profiling is carried out on irregular ground; In the vehicle chassis driving process; Locking is positioned at the relative motion of two pressing plates and the rectilinear orbit of chassis both sides; So that the vertical load in the face of wheel is delivered to the pressure on the pressing plate through parallel-crank mechanism, slide block and spring evenly, keeps the vehicle chassis normal operation, go.
The vehicle chassis height adjustment suspension that technique scheme provided; Can initiatively adjust vehicle chassis height and setting range and surpass the wheel tyre diameter; Increase the vehicle chassis height, change trafficability significantly, to adapt to plant growth middle and later periods and long-stalked crops job requirements farmland machinery; Can be through reducing the vehicle chassis height, to adapt to the farm work requirement of plant growth initial stage and short crop.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.
Claims (11)
1. vehicle chassis height adjustment suspension; It is characterized in that; Comprise: the vehicle frame of captiveing joint with vehicle chassis with the strut bar (4) that wheel of vehicle axle (6) is captiveed joint at vertical direction, is connected parallelogram linkage between said vehicle frame and the said strut bar (4); Said vehicle frame is with respect to the adjustable height of wheel position in the vertical direction.
2. vehicle chassis height adjustment suspension as claimed in claim 1 is characterized in that,
Said vehicle frame comprise be fixedly connected on the vehicle chassis upper plate, with base plate middle part two symmetrically arranged rectilinear orbits connected vertically, being installed with respectively on said two rectilinear orbits can be along its slide block that slides up and down (1);
Said parallelogram linkage comprises: be vertically fixed on the support arm at base plate two ends, the last rocking bar (3) that is articulated and connected with the last point of connection and the following point of connection of said support arm respectively and rocking bar (5) down, the said articulated position that goes up rocking bar (3) and the last point of connection of said support arm is positioned at the said upward middle part of rocking bar (3); It is hinged with said strut bar (4) respectively that said rocking bar (5) down reaches the other end of going up rocking bar (3), and said rocking bar (5) down and last rocking bar (3) are for laterally arranging;
Said opposite end of going up rocking bar (3) and said strut bar (4) coupling end is hinged with connecting rod (2), and said connecting rod (2) is hinged to the fixed connection point with said slide block (1) homonymy.
3. vehicle chassis height adjustment suspension as claimed in claim 2 is characterized in that, said vehicle chassis height adjustment suspension is symmetrically distributed with the line of centers between said two rectilinear orbits.
4. vehicle chassis height adjustment suspension as claimed in claim 2 is characterized in that the bottom of said two slide blocks connects elastomeric element (8) respectively, and said elastomeric element (8) slides with the slide block (1) of homonymy.
5. vehicle chassis height adjustment suspension as claimed in claim 4 is characterized in that, also comprises a pressing plate (9), and said pressing plate (9) laterally is positioned at the bottom of two elastomeric elements (8) and is connected on two rectilinear orbits, is used to compress said elastomeric element (8).
6. vehicle chassis height adjustment suspension as claimed in claim 5 is characterized in that said pressing plate (9) is connected with actuating device.
7. vehicle chassis height adjustment suspension as claimed in claim 6 is characterized in that said actuating device is a hydraulic efficiency gear.
8. vehicle chassis height adjustment suspension as claimed in claim 2 is characterized in that said pressing plate (9) is provided with position locking mechanism, is used to lock the height and position of said pressing plate (9) with respect to said rectilinear orbit.
9. vehicle chassis height adjustment suspension as claimed in claim 8 is characterized in that said position locking mechanism is a fluid control valve.
10. a vehicle is characterized in that, comprises each described vehicle chassis height adjustment suspension of claim 1-9, and said vehicle chassis height adjustment suspension is installed in the left and right sides of vehicle chassis.
11. vehicle as claimed in claim 10; It is characterized in that; When vehicle is positioned on the broken terrain; Four slide blocks that are arranged in the vehicle chassis height adjustment suspension of the vehicle chassis left and right sides are in the differing heights position on rectilinear orbit separately, said vehicle chassis keeps level constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457954.1A CN102529629B (en) | 2011-12-30 | 2011-12-30 | Vehicle chassis height regulating suspension and vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457954.1A CN102529629B (en) | 2011-12-30 | 2011-12-30 | Vehicle chassis height regulating suspension and vehicle with same |
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| CN102529629A true CN102529629A (en) | 2012-07-04 |
| CN102529629B CN102529629B (en) | 2014-04-02 |
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| CN201110457954.1A Expired - Fee Related CN102529629B (en) | 2011-12-30 | 2011-12-30 | Vehicle chassis height regulating suspension and vehicle with same |
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| CN102874314A (en) * | 2012-09-28 | 2013-01-16 | 管中林 | Four-wheeled foldable off-road vehicle frame capable of being adjusted greatly |
| CN102975786A (en) * | 2012-12-13 | 2013-03-20 | 中国农业大学 | Automatic vertical level-adjusting mechanism for vehicle chassis |
| CN103231636A (en) * | 2013-04-27 | 2013-08-07 | 刘晓刚 | Inclined plane walking mechanism |
| CN103703935A (en) * | 2013-12-23 | 2014-04-09 | 江苏大学 | Header height adjustment device of bur clover harvester |
| CN104058023A (en) * | 2014-07-04 | 2014-09-24 | 中国农业大学 | Vehicle chassis horizontal adjustment device and vehicle with same |
| CN104070958A (en) * | 2014-07-04 | 2014-10-01 | 中国农业大学 | Vehicle chassis height adjusting device and vehicle applying same |
| CN104590373A (en) * | 2014-12-24 | 2015-05-06 | 许昌远方工贸有限公司 | High-passing capacity vehicle frame with wheel track capable of conducting stepless regulation |
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| CN102874314A (en) * | 2012-09-28 | 2013-01-16 | 管中林 | Four-wheeled foldable off-road vehicle frame capable of being adjusted greatly |
| CN102975786A (en) * | 2012-12-13 | 2013-03-20 | 中国农业大学 | Automatic vertical level-adjusting mechanism for vehicle chassis |
| CN102975786B (en) * | 2012-12-13 | 2014-12-10 | 中国农业大学 | Automatic vertical level-adjusting mechanism for vehicle chassis |
| CN103231636A (en) * | 2013-04-27 | 2013-08-07 | 刘晓刚 | Inclined plane walking mechanism |
| CN103231636B (en) * | 2013-04-27 | 2016-04-20 | 桂林航天工业学院 | A kind of inclined-plane traveling gear |
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| CN104058023A (en) * | 2014-07-04 | 2014-09-24 | 中国农业大学 | Vehicle chassis horizontal adjustment device and vehicle with same |
| CN104070958A (en) * | 2014-07-04 | 2014-10-01 | 中国农业大学 | Vehicle chassis height adjusting device and vehicle applying same |
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| CN104590373A (en) * | 2014-12-24 | 2015-05-06 | 许昌远方工贸有限公司 | High-passing capacity vehicle frame with wheel track capable of conducting stepless regulation |
| WO2017049468A1 (en) * | 2015-09-23 | 2017-03-30 | Robert Bosch Gmbh | Independent suspension employing vertical suspension strut for vehicle wheel individually driven by electric motor |
| CN106489336B (en) * | 2016-11-07 | 2018-11-09 | 中国农业大学 | Small-sized line feed reciprocating working chassis |
| CN106489336A (en) * | 2016-11-07 | 2017-03-15 | 中国农业大学 | Small-sized line feed reciprocating working chassis |
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