CN102556163B - Height adjustment device for vehicle chassis and vehicle adopting same - Google Patents
Height adjustment device for vehicle chassis and vehicle adopting same Download PDFInfo
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- CN102556163B CN102556163B CN 201110458010 CN201110458010A CN102556163B CN 102556163 B CN102556163 B CN 102556163B CN 201110458010 CN201110458010 CN 201110458010 CN 201110458010 A CN201110458010 A CN 201110458010A CN 102556163 B CN102556163 B CN 102556163B
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Abstract
The invention relates to the field of travelling of vehicles, and discloses a height adjustment device for a vehicle chassis. The height adjustment device comprises a frame which is fixedly connected with the vehicle chassis (10), and a support rod (4) is fixedly connected with a vehicle axle (6) in the vertical direction, wherein a parallelogram linkage mechanism is connected between the frame and the support rod (4); and the height of the frame in the vertical direction relative to the position of the wheels can be adjusted. With the adoption of the height adjustment device, the height of the vehicle chassis (10) can be automatically adjusted, the adjustment range is beyond the diameter of a tire of the wheel, the height of the vehicle chassis (10) is increased, and the trafficability for the vehicles are greatly changed, so as to adapt to the operation requirements of high-stalk crops on farmland machinery, the height of the vehicle chassis (10) also can be reduced, so as to adapt to the requirements of the crops during the initial growth period and the requirements of short crops on the field work, and the running stability of the vehicle at a high speed is also improved. The invention further provides a vehicle adopting the height adjustment device for the vehicle chassis.
Description
Technical field
The present invention relates to the vehicle to run field, particularly a kind of agri-vehicle chassis height control apparatus is in order to satisfy the farm work requirement of crop growth period and long-stalked crops.
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 has higher requirement to the field machine crossing ability, therefore need initiatively to adjust significantly the vehicle chassis height more urgently 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 to the vehicle chassis height at present, 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 by 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 suspension support with respect to the height of vehicle body by height controller, can adjust the passenger-car chassis height within the specific limits indirectly, improve certain traveling comfort and stability, but complex structure, cost height, poor rigidity, 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
(1) technical matters that will solve
The technical problem to be solved in the present invention provides a kind of vehicle chassis arrangement for adjusting height, realizes the variation significantly of vehicle chassis height, and setting range surpasses 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 invention provides a kind of vehicle chassis arrangement for adjusting height, comprise: for 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, be connected with parallelogram linkage between described vehicle frame and the described strut bar; Described vehicle frame is with respect to the adjustable height of wheel position in the vertical direction.
Wherein, described vehicle frame comprises the rectilinear orbit of base plate and perpendicular captive joint, and described rectilinear orbit is installed with can be along its slide block that slides up and down;
Described parallelogram linkage comprises: be vertically fixed on the support arm of described bottom end, the last rocking bar that is articulated and connected with last point of connection and the following point of connection of described support arm respectively and rocking bar down, the described articulated position that goes up rocking bar and the last point of connection of described support arm be positioned at described on the middle part of rocking bar; It is hinged with described strut bar respectively that described rocking bar down reaches the other end of going up rocking bar, and described rocking bar down and last rocking bar are for be arrangeding in parallel;
Described opposite end of going up rocking bar and described strut bar coupling end is hinged with connecting rod, and described rod hinge connection arrives the fixed connection point with described slide block homonymy.
Wherein, described vehicle chassis arrangement for adjusting height line centered by described rectilinear orbit is symmetrical distribution.
Wherein, described slide block is connected with actuating device, and described slide block also is provided with position locking mechanism, is used for the described slide block of locking with respect to the height and position of described rectilinear orbit.
Wherein, described actuating device is hydraulic efficiency gear.
Wherein, described position locking mechanism is fluid control valve.
The present invention also provides a kind of vehicle, comprising: hard-wired two the above-mentioned vehicle chassis arrangement for adjusting height in the chassis of described vehicle, described vehicle chassis arrangement for adjusting height is installed in relative both sides, described chassis.
Wherein, described vehicle chassis arrangement for adjusting height is positioned at the rear and front end on described chassis.
Wherein, when described vehicle was climbed, the described vehicle chassis arrangement for adjusting height that is positioned at described chassis (10) front end reduced, and the described vehicle chassis arrangement for adjusting height that is positioned at rear end, described chassis (10) raises, and described chassis (10) are in horizontality;
During described vehicle descending, the described vehicle chassis arrangement for adjusting height that is positioned at described chassis (10) front end raises, and the described vehicle chassis arrangement for adjusting height that is positioned at rear end, described chassis (10) reduces, and described chassis (10) are in horizontality.
(3) beneficial effect
A kind of vehicle chassis arrangement for adjusting height that technique scheme provides, comprise: for 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, be connected with parallelogram linkage between described vehicle frame and the described strut bar; Described vehicle frame is with respect to the adjustable height of wheel position in the vertical direction.This device can initiatively be adjusted the vehicle chassis height, and setting range surpasses the wheel tyre diameter, increases the vehicle chassis height, changes trafficability significantly, to adapt to plant growth middle and later periods and long-stalked crops to the job requirements of farmland machinery; Reduce the vehicle chassis height, to adapt to the farm work requirement of plant growth initial stage and short crop, also can provide the stability of high vehicle speeds.
Description of drawings
Fig. 1 is the structural representation with vehicle chassis arrangement for adjusting height of the embodiment of the invention;
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;
Fig. 5 is the vehicle chassis upward slope comformability schematic diagram that the embodiment of the invention can initiatively be adjusted height;
Fig. 6 is the vehicle chassis descending comformability schematic diagram that the embodiment of the invention can initiatively be adjusted height;
Wherein, 1: slide block; 2: connecting rod; 3: go up rocking bar; 4: strut bar; 5: following rocking bar; 6: axletree; 7: wheel; 8: rectilinear orbit; 9: base plate; 10: the chassis; 11: domatic;
2 ': connecting rod; 3 ': go up rocking bar; 4 ': strut bar; 5 ': following rocking bar; 6 ': axletree; 7 ': wheel.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
In conjunction with shown in Figure 1, a kind of vehicle chassis arrangement for adjusting height that provides for the embodiment of the invention, comprise: the vehicle frame for captiveing joint with vehicle chassis 10 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.The arranging 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 vehicle chassis 10 height.
Vehicle frame (in the accompanying drawing vehicle frame be shaped as inverted T shape) comprises the rectilinear orbit 8 of base plate 9 and perpendicular captive joint, and rectilinear orbit 8 is installed with can be along its slide block that slides up and down 1; Parallelogram linkage comprises: be vertically fixed on the support arm of base plate 9 ends, the last rocking bar 3 that is articulated and connected with last point of connection and the following point of connection of support arm respectively and rocking bar 5 down, the articulated position of the last point of connection of last rocking bar 3 and support arm 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 be arrangeding in parallel; 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 arrangement for adjusting height 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 1 one sides.
Preferably, vehicle chassis arrangement for adjusting height line centered by rectilinear orbit is symmetrical distribution, 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 7 and each parts of vehicle frame in the accompanying drawing 1.Vehicle frame be provided with base plate 9 with the base plate 9 vertical rectilinear orbits of dividing equally 8, the left support arm CD vertical with base plate 9 respectively, right support arm EF, two support arms are provided with upper left point of connection C, lower-left point of connection D, upper right point of connection E, bottom right point of connection F, two arm length equate CD=EF, C, D, E, 4 of F are positioned on four summits of a rectangle, left side support arm CD and right support arm EF are about rectilinear orbit 8 symmetries, rectilinear orbit 8 is positioned at the vehicle central plane, and with left support arm CD, right support arm EF is in the same plane, and rectilinear orbit 8 length are usually greater than a left side, right support arm CD, the length of EF; Slide block 1 is in 8 mobile connections of rectilinear orbit, and its middle part is symmetrically arranged with a left side, right point of connection, the upper extreme point of connecting rod 2 is articulated in the left point of connection of slide block 1, lower extreme point is articulated in the right endpoint of rocking bar 3, the right endpoint of following rocking bar 5 is articulated in the lower-left point of connection D on the vehicle frame, the middle part of last rocking bar 3 is articulated in the upper left point of connection C of vehicle frame, and its left end point is to the distance of middle part hinge-point and the equal in length of following rocking bar 5, the upper extreme point of strut bar 4 is articulated in the left end point of rocking bar 3, its middle part is articulated in down the left end point of rocking bar 5, and the equal in length of the left support arm CD of its upper extreme point on the distance of middle part hinge-point and the vehicle frame, last rocking bar 3, following rocking bar 5, left support arm CD on strut bar 4 and the vehicle frame constitutes parallel-crank mechanism in same plane; The lower extreme point of axletree 6 and strut bar 4 is vertical to be connected and its axis places in the parallel-crank mechanism plane of movement, wheel 7 is rotationally connected at axletree 6, forming left half actuating device is 2-3-4-5-6-7, with the identical right side of a left side half actuating device half actuating device 2 '-3 '-4 '-5 '-6 '-7 ', the vehicle central plane symmetry is arranged on the vehicle frame relatively, left and right half actuating device shares same slide block 1, shares same vehicle frame, constitutes the trafficability setting device.When the distance between the base plate 9 on slide block 1 and the vehicle frame was S, the base plate 9 on the vehicle frame was h apart from the height on ground, by outside force change between slide block 1 and the base plate 9 apart from S, by parallel-crank mechanism, can change base plate 9 apart from the height h on ground.
For realizing the adjusting to the vehicle chassis arrangement for adjusting height, slide block 1 is connected with actuating device, and slide block also is provided with position locking mechanism (not shown in the accompanying drawing), is used for lock slider with respect to the height and position of rectilinear orbit.Preferred actuating device is hydraulic efficiency gear, thereby position locking mechanism is fluid control valve.
In conjunction with shown in Fig. 2 to 6, the embodiment of the invention also provides a kind of vehicle, and the chassis 10 of vehicle is installed with two above-mentioned vehicle chassis arrangement for adjusting height, and the vehicle chassis arrangement for adjusting height is installed in relative both sides, chassis 10.Preferably, the vehicle chassis arrangement for adjusting height is positioned at the rear and front end on chassis 10.
The vehicle chassis fundamental diagram that can initiatively adjust height as shown in Figure 2, two groups of trafficability setting devices are arranged on the same chassis 10 apart from front and back according to given axletree, share same vehicle central plane, before producing propulsive efforts and change simultaneously by two groups of hydraulic rams, two slide blocks 1 in the back trafficability setting device and the distance between the base plate 9 on the vehicle frame, before the maintenance, rear slider 1 equates with distance between the base plate 9, pass through parallel-crank mechanism, make the Level Change of base plate 9 apart from ground, realize the adjustment of vehicle chassis 10 height, adjust the back by fluid control valve or mechanical locking device, before fixing, distance between rear slider 1 and the base plate 9 is constant, can keep one of vehicle chassis 10 to determine height; In the process of moving, lock the relative motion of two slide blocks 1 and rectilinear orbit 8 in the forward and backward trafficability setting device, so that in the face of the vertical load of wheel 7 is delivered to pressure on the slide block 1 by parallel-crank mechanism, the vehicle chassis 10 of height can be initiatively adjusted in formation evenly.In the chassis height adjustment process, because the strut bar 4 of parallel-crank mechanism is parallel with the left support arm CD on the vehicle frame, and left support arm CD is vertical with base plate 9 on the vehicle frame, so strut bar 4 is vertical with base plate 9 all the time, again because of wheel 7 pivots center and axletree 6 conllinear, cause the plane of rotation of wheel 7 parallel with strut bar 4, so wheel 7 is vertical with base plate 9 on the vehicle frame all the time, travel at vehicle chassis, in the operation process, four wheels all can remain vertical with base plate on the vehicle frame and wheelbase remains constant.In the chassis height adjustment process, keep two slide blocks in the forward and backward trafficability setting device to equate with distance between the base plate, then forward and backward vehicle wheel can realize the step-less adjustment of vehicle chassis height apart from equating that it is equidistantly mobile to regulate two slide blocks simultaneously continuously in the vehicle driving process.
The fundamental diagram of increase vehicle chassis height as shown in Figure 3, before producing propulsive efforts and increase simultaneously by two groups of hydraulic rams, two slide blocks 1 in the back trafficability setting device and the distance between the base plate on the vehicle frame, before the maintenance, rear slider 1 equates with distance between the base plate 9, pass through parallel-crank mechanism, base plate 9 is increased apart from the height on ground, adjust the back by fluid control valve or mechanical locking device, before fixing, distance between rear slider 1 and the base plate 9 is constant, obtain a higher vehicle chassis height, improve the performance of passing through of vehicle chassis, in order to 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, before producing propulsive efforts and reduce simultaneously by two groups of hydraulic rams, two slide blocks 1 in the back trafficability setting device and the distance between the base plate 9 on the vehicle frame, before the maintenance, rear slider 1 equates with distance between the base plate 9, pass through parallel-crank mechanism, base plate 9 is reduced apart from the height on ground, adjust the back by fluid control valve or mechanical locking device, before fixing, distance between rear slider 1 and the base plate is constant, obtain a lower vehicle chassis 10 height, to adapt to the farm work requirement of plant growth initial stage and short crop.Be in than cross-country traveling ability energy mode of operation by the vehicle chassis that can initiatively adjust height shown in Figure 3, contrasting the vehicle chassis 10 that can initiatively adjust height shown in Figure 4 is in low by the performance mode of operation, chassis 10 height adjustment range can adapt to the farm work requirement in the crop whole growth process greater than wheel 7 diameter of tyres.
In conjunction with Fig. 5 and shown in Figure 6, during the vehicle climbing, the vehicle chassis arrangement for adjusting height that is positioned at chassis 10 front ends reduces, and the vehicle chassis arrangement for adjusting height that is positioned at 10 rear ends, chassis raises, and chassis 10 is in horizontality; During the vehicle descending, the vehicle chassis arrangement for adjusting height that is positioned at chassis 10 front ends raises, and the vehicle chassis arrangement for adjusting height that is positioned at 10 rear ends, chassis reduces, and chassis 10 is in horizontality.
Concrete can initiatively adjust vehicle chassis upward slope comformability schematic diagram highly referring to shown in Figure 5, vehicle chassis travels to domatic 11 belows, produce propulsive effort by hydraulic ram and reduce the slide block 1 of vehicle in front crossing ability setting device and the distance between the base plate 9 on the vehicle frame, increase the slide block 1 of back trafficability setting device and the distance between the base plate 9 on the vehicle frame simultaneously, adjust the back by fluid control valve or mechanical locking device, before fixing, distance between rear slider 1 base plate 9 corresponding with it is constant, obtain a low early and high after vehicle chassis mode of operation, can adapt in the vehicle chassis up-hill journey process base plate 9 on the vehicle frame near the operating condition of level.
The vehicle chassis descending comformability schematic diagram that can initiatively adjust height as shown in Figure 6, vehicle chassis travels to domatic 11 tops, produce propulsive effort by hydraulic ram and increase the slide block 1 of vehicle in front crossing ability setting device and the distance between the base plate on the vehicle frame 9, reduce the slide block 4 of back trafficability setting device and the distance between the base plate on the vehicle frame 9 simultaneously, adjust the back by fluid control valve or mechanical locking device, before fixing, distance between rear slider 1 base plate 9 corresponding with it is constant, obtain before one the low vehicle chassis mode of operation in high back, can adapt in the vehicle chassis descent run process base plate on the vehicle frame near the operating condition of level.
As can be seen from the above embodiments, the embodiment of the invention provides a kind of vehicle chassis arrangement for adjusting height, comprise: for the vehicle frame of captiveing joint with vehicle chassis 10, with the strut bar 4 that wheel of vehicle axle 6 is captiveed joint at vertical direction, be 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.This device can initiatively be adjusted vehicle chassis 10 height, and setting range surpasses the wheel tyre diameter, increases vehicle chassis 10 height, changes trafficability significantly, to adapt to plant growth middle and later periods and long-stalked crops to the job requirements of farmland machinery; Reduce vehicle chassis 10 height, to adapt to the farm work requirement of plant growth initial stage and short crop, also can provide the stability of high vehicle speeds.
The above only is 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 the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (8)
1. vehicle chassis arrangement for adjusting height, it is characterized in that, comprise: for the vehicle frame of captiveing joint with vehicle chassis (10), with the strut bar (4) that wheel of vehicle axle (6) is captiveed joint at vertical direction, be connected with parallelogram linkage between described vehicle frame and the described strut bar (4); Described vehicle frame is with respect to the adjustable height of wheel position in the vertical direction;
Described vehicle frame comprises the rectilinear orbit (8) of base plate (9) and perpendicular captive joint, and described rectilinear orbit (8) is installed with can be along its slide block that slides up and down (1);
Described parallelogram linkage comprises: be vertically fixed on the support arm of described base plate (9) end, the last rocking bar (3) that is articulated and connected with last point of connection and the following point of connection of described support arm respectively and rocking bar (5) down, the described articulated position that goes up rocking bar (3) and the last point of connection of described support arm is positioned at the described upward middle part of rocking bar (3); It is hinged with described strut bar (4) respectively that described rocking bar (5) down reaches the other end of going up rocking bar (3), and described rocking bar (5) down and last rocking bar (3) are for be arrangeding in parallel;
Described opposite end of going up rocking bar (3) and described strut bar (4) coupling end is hinged with connecting rod (2), and described connecting rod (2) is hinged to the fixed connection point with described slide block (1) homonymy.
2. vehicle chassis arrangement for adjusting height as claimed in claim 1 is characterized in that, described vehicle chassis arrangement for adjusting height line centered by described rectilinear orbit is symmetrical distribution.
3. vehicle chassis arrangement for adjusting height as claimed in claim 1 is characterized in that, described slide block (1) is connected with actuating device, and described slide block also is provided with position locking mechanism, is used for the described slide block of locking with respect to the height and position of described rectilinear orbit.
4. vehicle chassis arrangement for adjusting height as claimed in claim 3 is characterized in that, described actuating device is hydraulic efficiency gear.
5. vehicle chassis arrangement for adjusting height as claimed in claim 4 is characterized in that, described position locking mechanism is fluid control valve.
6. vehicle, it is characterized in that, described vehicle comprises: the chassis of described vehicle (10) are installed with two as vehicle chassis arrangement for adjusting height as described in each in the claim 1 to 6, and described vehicle chassis arrangement for adjusting height is installed in relative both sides, described chassis (10).
7. vehicle as claimed in claim 6 is characterized in that, described vehicle chassis arrangement for adjusting height is positioned at the rear and front end of described chassis (10).
8. vehicle as claimed in claim 7 is characterized in that,
When described vehicle was climbed, the described vehicle chassis arrangement for adjusting height that is positioned at described chassis (10) front end reduced, and the described vehicle chassis arrangement for adjusting height that is positioned at rear end, described chassis (10) raises, and described chassis (10) are in horizontality;
During described vehicle descending, the described vehicle chassis arrangement for adjusting height that is positioned at described chassis (10) front end raises, and the described vehicle chassis arrangement for adjusting height that is positioned at rear end, described chassis (10) reduces, and described chassis (10) are in horizontality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458010 CN102556163B (en) | 2011-12-30 | 2011-12-30 | Height adjustment device for vehicle chassis and vehicle adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110458010 CN102556163B (en) | 2011-12-30 | 2011-12-30 | Height adjustment device for vehicle chassis and vehicle adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102556163A CN102556163A (en) | 2012-07-11 |
| CN102556163B true CN102556163B (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110458010 Expired - Fee Related CN102556163B (en) | 2011-12-30 | 2011-12-30 | Height adjustment device for vehicle chassis and vehicle adopting same |
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| Country | Link |
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| CN (1) | CN102556163B (en) |
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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 |
| CN102975786B (en) * | 2012-12-13 | 2014-12-10 | 中国农业大学 | Automatic vertical level-adjusting mechanism for vehicle chassis |
| CN103109607B (en) * | 2013-02-04 | 2015-09-23 | 柳州博实唯汽车科技有限公司 | Be applicable to the traction power chassis of long-stalked crop agricultural machinery working |
| CN103109605B (en) * | 2013-02-04 | 2015-09-23 | 柳州博实唯汽车科技有限公司 | Be applicable to the change swing device on long-stalked crop agricultural machinery working traction power chassis |
| CN103381853B (en) * | 2013-08-01 | 2015-12-09 | 程广森 | A kind of vehicle chassis |
| CN103448797B (en) * | 2013-09-03 | 2015-12-09 | 中国农业大学 | Wheelspan adjustment steering linkage |
| CN103465962B (en) * | 2013-09-03 | 2015-08-12 | 中国农业大学 | Car gage adjustment linkage steering mechanism |
| CN104904358A (en) * | 2014-03-14 | 2015-09-16 | 现代农装科技股份有限公司 | Power chassis for orchards on mountains and hills |
| CN104058023B (en) * | 2014-07-04 | 2016-08-17 | 中国农业大学 | Vehicle chassis level(l)ing device and there is the vehicle of this device |
| CN105539594B (en) * | 2015-12-21 | 2017-11-24 | 汪立国 | A kind of vehicle frame travel mechanism device |
| CN107685607A (en) * | 2016-08-04 | 2018-02-13 | 宝沃汽车（中国）有限公司 | Adjust control method, device and the vehicle of vehicle rear suspension height |
| CN106082046A (en) * | 2016-08-05 | 2016-11-09 | 湖南星邦重工有限公司 | The chassis of a kind of aerial work platform and aerial work platform |
| WO2018129643A1 (en) * | 2017-01-10 | 2018-07-19 | 深圳市大疆创新科技有限公司 | Vehicle and chassis structure thereof |
| US10005652B1 (en) * | 2017-11-01 | 2018-06-26 | Kan Cui | Elevating lift with a stabilized movable base |
| CN107972736B (en) * | 2017-12-08 | 2020-04-17 | 安徽鹰龙工业设计有限公司 | Shock-proof type high-horsepower tractor |
| CN107876898A (en) * | 2017-12-14 | 2018-04-06 | 江苏跃发建设有限公司 | The equipment for automatically cutting ultralight steel |
| CN109625089B (en) * | 2018-12-25 | 2021-07-02 | 王亚 | Vehicle steering and side-tipping linkage device and vehicle applying same |
| CN109552448B (en) * | 2018-12-29 | 2023-10-10 | 长沙行深智能科技有限公司 | Intelligent folding delivery truck |
| CN112627263B (en) * | 2020-12-07 | 2022-05-06 | 湖南鸿云杭萧绿建科技有限公司 | Height-adjustable mechanical arm and robot for farmland ditch opening |
| CN115520278B (en) * | 2022-11-25 | 2023-03-17 | 福建省威盛机械发展有限公司 | Vehicle chassis and vehicle |
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| CN102556163A (en) | 2012-07-11 |
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