CN207607565U - A kind of four-wheel steering universal chassis of Parameter adjustable - Google Patents
A kind of four-wheel steering universal chassis of Parameter adjustable Download PDFInfo
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- CN207607565U CN207607565U CN201721582024.8U CN201721582024U CN207607565U CN 207607565 U CN207607565 U CN 207607565U CN 201721582024 U CN201721582024 U CN 201721582024U CN 207607565 U CN207607565 U CN 207607565U
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Abstract
The utility model discloses a kind of four-wheel steering universal chassis of Parameter adjustable, including vehicle frame, the vehicle frame be equipped with along frame width direction slide setting and can be towards and away from two slides moved, it is respectively mounted on each slide there are two ground-engaging element, the Wheel space adjusting device for adjusting spacing between two slides is also equipped on the vehicle frame.The four-wheel steering universal chassis has simple and compact for structure, applied widely, versatile, steady performance.
Description
Technical field
The utility model is related to technical field of agricultural machinery, and in particular to the general bottom of four-wheel steering of agricultural Parameter adjustable
Disk.
Background technology
The Administration ＆ Mechanical Development of China's agricultural production in recent years is swift and violent, and especially cereal crops mass produce area from farming to harvest
Production overall process realizes mechanization substantially.In contrast to this, southern agricultural machinery but especially exists in Partial key link
In the crops field management process such as plant protection, however it remains various problems can not fully meet the operation ring in special southern paddy field
Border.Currently, the equipment for plant protection that uses of southern area is still largely carried on the back with people based on small-sized machine, in order to adapt to southern paddy field building ring
Border, equipment for plant protection need to meet the multivariables works such as Different Crop, different line spaces and crop different times, different growing heights
Industry environment, however existing chassis cannot be satisfied above-mentioned requirements, for example, the job parameters such as chassis height, wheelspan, wheelbase can not be adjusted
Section, and be only capable of carrying out front-wheel steer, turning radius is larger, and front and back wheel load growth of cereal crop seedlings condition is extremely serious.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, is provided a kind of simple in structure tight
It gathers, is applied widely, is versatile, the four-wheel steering universal chassis for the Parameter adjustable that performance is stablized.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of four-wheel steering universal chassis of Parameter adjustable, including vehicle frame, the vehicle frame are equipped with along frame width direction
Sliding setting and can towards and away from two slides of movement, be respectively mounted on each slide there are two ground-engaging element, on the vehicle frame
It is also equipped with the Wheel space adjusting device for adjusting spacing between two slides.
Above-mentioned four-wheel steering universal chassis, it is preferred that the Wheel space adjusting device includes the first telescopic drive part, described
First telescopic drive part is connected between two slides and two slides can be driven towards and away from movement, and the wheelspan adjusts dress
Set further include make when the first telescopic drive part drives two slides towards and away from movement two slides keep synchronous slides and
The equal equidistant coordination organization of sliding speed relative to vehicle frame.
Above-mentioned four-wheel steering universal chassis, it is preferred that the equidistant coordination organization includes intermediate swing rod, the first push-pull rod
With the second push-pull rod, the intermediate swing rod is hingedly mounted on vehicle frame, first push-pull rod respectively with one of slide and
Intermediate swing rod is hinged, and second push-pull rod is hinged with another slide and intermediate swing rod respectively, and the first push-pull rod and centre
The articulated shaft of swing rod is equal to second push-pull rod to the spacing between intermediate swing rod and the articulated shaft of vehicle frame and is hinged with centre swing rod
Axis is to the spacing between intermediate swing rod and the articulated shaft of vehicle frame, the articulated shaft of the first push-pull rod and intermediate swing rod to the first push-pull rod
Spacing between the articulated shaft of corresponding slide be equal to the articulated shaft of the second push-pull rod and centre swing rod to the second push-pull rod with it is right
Answer the spacing between the articulated shaft of slide, the articulated shaft, the second push-pull rod and intermediate swing rod of the first push-pull rod and intermediate swing rod
Articulated shaft and the articulated shaft of intermediate swing rod and vehicle frame are in the same plane.
Above-mentioned four-wheel steering universal chassis, it is preferred that each ground-engaging element is including steering base, supporting rack and mounted on branch
Traveling wheel in leg support, the steering base are mounted on by lifting assembly on slide, and the supporting rack is by steering mechanism around perpendicular
Straight axis is rotatably mounted on steering base, and the traveling wheel of each ground-engaging element is connected with independent walking rotary drive, institute
It further includes the steering drive component for driving the supporting rack of each ground-engaging element to rotate to state four-wheel steering universal chassis.
Above-mentioned four-wheel steering universal chassis, it is preferred that the lifting assembly includes the second telescopic drive part and parallel four
Bian Xing mechanisms, the steering base are mounted on by parallelogram mechanism on slide, and the second telescopic drive part is connected to flat
Between row quadrangular mechanism and slide and parallelogram mechanism can be driven with steering base perpendicular to frame width direction
It synchronization lifting and is moved forward and backward in perpendicular.
Above-mentioned four-wheel steering universal chassis, it is preferred that the steering mechanism includes steering shaft, and the steering shaft passes through axis
Bearing assembly is mounted on steering base and can be rotated around vertical axis, and the supporting rack is fixed in the lower end of steering shaft.
Above-mentioned four-wheel steering universal chassis, it is preferred that before two ground-engaging elements on each slide are located at vehicle frame
Portion and rear portion, the drive component that turns to includes the front truck being mounted on vehicle frame or so wheel shaft, rear car or so wheel shaft
With steering rotary drive, the output end for turning to rotary drive is connected with front truck or so wheel shaft, and the front truck is left
Right wheel transmission shaft is connected by clutch with rear car or so wheel shaft, positioned at the ground-engaging element of vehicle frame front on two slides
Steering shaft is connected by one group of first transmission component with front truck or so wheel shaft respectively, positioned at vehicle frame rear portion on two slides
The steering shaft of ground-engaging element is connected by one group of second transmission component with rear car or so wheel shaft respectively.
Above-mentioned four-wheel steering universal chassis, it is preferred that first transmission component includes the first Cardan shaft, peace
First bevel gear commutator on vehicle frame and the first worm and gear steering gear on steering base, the first cone tooth
The input terminal of wheel commutator is connected with front truck or so wheel shaft, the output end and steering shaft of the first worm and gear steering gear
It is connected, one end of first Cardan shaft is connected by universal joint with the input terminal of the first worm and gear steering gear, institute
The other end for stating the first Cardan shaft is connected by universal joint with the output end of first bevel gear commutator；Described second passes
Dynamic component includes the second Cardan shaft, the second bevel gear commutator on vehicle frame, on steering base
The input terminal of two worm and gear steering gears, the second bevel gear commutator is connected with rear car or so wheel shaft, and described second
The output end of worm and gear steering gear is connected with steering shaft, and one end of second Cardan shaft passes through universal joint and second
The input terminal of worm and gear steering gear is connected, and the other end of second Cardan shaft passes through universal joint and second bevel gear
The output end of commutator is connected.
Compared with prior art, the utility model has the advantage of：The four-wheel steering of the Parameter adjustable of the utility model is logical
With chassis, the spacing between two slides is adjusted by Wheel space adjusting device, you can adjust two slides on ground-engaging element it
Between spacing, the wheelspan to realize four-wheel steering universal chassis is adjustable, can adapt to the crop of different line spaces, this four rotation
Have the advantages that simple and compact for structure, applied widely, versatile, performance is stablized to universal chassis.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the four-wheel steering universal chassis of Parameter adjustable.
Fig. 2 is the present invention looks up structural representation of the four-wheel steering universal chassis of Parameter adjustable.
Fig. 3 is the structural schematic diagram for turning to drive component.
Marginal data：
1, vehicle frame；11, slide；2, ground-engaging element；21, steering base；22, supporting rack；23, traveling wheel；24, walking rotation is driven
Moving part；25, steering shaft；3, Wheel space adjusting device；31, the first telescopic drive part；32, intermediate swing rod；33, the first push-pull rod；34、
Second push-pull rod；4, lifting assembly；41, the second telescopic drive part；42, parallelogram mechanism；101, front truck left and right wheels are driven
Axis；102, rear car or so wheel shaft；103, rotary drive is turned to；104, the first Cardan shaft；105, the first cone tooth
Take turns commutator；106, the first worm and gear steering gear；107, the second Cardan shaft；108, second bevel gear commutator；
109, the second worm and gear steering gear.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the four-wheel steering universal chassis of the Parameter adjustable of the present embodiment, including vehicle frame 1, on vehicle frame 1
Equipped with sliding setting along 1 width direction of vehicle frame and can be mounted on each slide 11 towards and away from two slides 11 moved
Two ground-engaging elements 2 are also equipped with the Wheel space adjusting device 3 for adjusting spacing between two slides 11 on vehicle frame 1.Pass through wheel
The spacing between two slides 11 is adjusted away from regulating device 3, you can between adjusting on two slides 11 between ground-engaging element 2
Away from the wheelspan to realize four-wheel steering universal chassis is adjustable, can adapt to the crop of different line spaces, and the four-wheel steering is general
Chassis has the advantages that simple and compact for structure, applied widely, versatile, performance is stablized.
In the present embodiment, Wheel space adjusting device 3 includes the first telescopic drive part 31, and the first telescopic drive part 31 is connected to two
Between a slide 11,31 stretching motion of the first telescopic drive part can drive two slides 11 towards and away from movement, and wheelspan is adjusted
Device 3 further includes so that two slides 11 is kept same when the first telescopic drive part 31 drives two slides 11 towards and away from movement
The equidistant coordination organization that step is slided and sliding speed is equal, by the effect of equidistant coordination organization, in the first telescopic drive part 31
When driving two slides 11 towards and away from spacing between two slides 11 of motor adjustment, two slides 11 synchronize it is opposite or
Back movement, and two slides 11 are equal relative to the sliding distance of vehicle frame 1.The equidistant coordination organization makes chassis be adjusted in wheelspan
In the process, the position of center of gravity is held essentially constant, and can ensure the passability and stability on chassis.Especially indulged when chassis is located at
To or when lateral slope surface, when adjusting wheelspan change, the gravity center shift on vehicle chassis is not interfered with substantially, to ensure chassis
Passability and stability.When chassis is placed in lateral slope surface, chassis is also guaranteed laterally through performance.
In the present embodiment, equidistant coordination organization includes intermediate swing rod 32, the first push-pull rod 33 and the second push-pull rod 34, centre
Swing rod 32 is hingedly mounted on vehicle frame 1, and the first push-pull rod 33 is hinged with one of slide 11 and intermediate swing rod 32 respectively, and second
Push-pull rod 34 is hinged with another slide 11 and intermediate swing rod 32 respectively, and the hinge axes of intermediate swing rod 32 and vehicle frame 1, first push away
Pull rod 33 is arranged vertically with the hinge axes of slide 11 and the hinge axes of the second push-pull rod 34 and slide 11, and first pushes away
The articulated shaft of pull rod 33 and intermediate swing rod 32 is equal to the second push-pull rod to the spacing between intermediate swing rod 32 and the articulated shaft of vehicle frame 1
34 and the articulated shaft of intermediate swing rod 32 arrive the spacing between intermediate swing rod 32 and the articulated shaft of vehicle frame 1, the first push-pull rod 33 and in
Between swing rod 32 articulated shaft to the spacing between the first push-pull rod 33 and the articulated shaft of corresponding slide 11 be equal to the second push-pull rod 34
With the articulated shaft of intermediate swing rod 32 to the spacing between the second push-pull rod 34 and the articulated shaft of corresponding slide 11, the first push-pull rod 33
With the articulated shaft, the second push-pull rod 34 and the articulated shaft of intermediate swing rod 32 and intermediate swing rod 32 and vehicle frame 1 of intermediate swing rod 32
Articulated shaft is in the same plane.When the first telescopic drive 31 stretching motion of part, in above-mentioned intermediate swing rod 32, the first push-pull rod 33
Under the synergistic effect of the second push-pull rod 34, it is ensured that so that two slides 11 is kept same when slide 11 is opposite or back movement
Step is slided and sliding speed is equal, finally ensures that two slides 11 are equal relative to the sliding distance of vehicle frame 1.The equidistant coordination machine
The structure of structure is simple, it is at low cost, be easy to make, convenient for installation and maintenance, control is easy, stable and reliable in work.
In the present embodiment, each ground-engaging element 2 includes steering base 21, supporting rack 22 and the walking on supporting rack 22
Wheel 23, steering base 21 are mounted on by lifting assembly 4 on slide 11, and supporting rack 22 is rotatable around vertical axis by steering mechanism
Be mounted on steering base 21 on, the traveling wheel 23 of each ground-engaging element 2 is connected with independent walking rotary drive 24, four-wheel steering
Universal chassis further includes the steering drive component for driving the supporting rack 22 of each ground-engaging element 2 to rotate.Make four-wheel steering in this way
The road clearance of universal chassis is adjustable, can adapt to the crop of different height, further increases the scope of application and versatility；Together
When, the traveling wheel 23 of each ground-engaging element 2 using the driving of independent walking rotary drive 24, power not by structure, space etc. because
Element limitation, can greatly improve the stationary performance of walking, improve operating flexibility, reduce operation difficulty.
Above-mentioned walking rotary drive 24 preferably uses hydraulic motor, hydraulic motor to be fixedly mounted on supporting rack 22, liquid
The output shaft of pressure motor is connected by chain-drive mechanism with the shaft of traveling wheel 23 to drive traveling wheel 23 to rotate.
In the present embodiment, lifting assembly 4 includes the second telescopic drive part 41 and parallelogram mechanism 42, and steering base 21 is logical
Parallelogram mechanism 42 is crossed on slide 11, the second telescopic drive part 41 is connected to parallelogram mechanism 42 and slide
Between 11 and parallelogram mechanism 42 can be driven same in the perpendicular perpendicular to 1 width direction of vehicle frame with steering base 21
Step is lifted and is moved forward and backward.The lifting assembly 4 can adjust height and front and back position of the steering base 21 relative to vehicle frame 1 simultaneously,
It can adjust height and front and back position of the traveling wheel 23 relative to vehicle frame 1 simultaneously, and then realize while to adjust four-wheel steering general
The road clearance on chassis and wheelbase.Above-mentioned parallelogram mechanism 42 is the prior art, including four swing rods, one end of each swing rod
Hinged with slide 11, the other end is hinged with steering base 21, and the articulated shaft of each swing rod and slide 11 is located on slide 11 and is parallel to
In the same perpendicular of 1 width direction of vehicle frame, the articulated shaft of each swing rod and steering base 21, which is located on steering base 21, is parallel to vehicle
In the same perpendicular of 1 width direction of frame, the second telescopic drive part 41 is hingedly mounted on slide 11, the second telescopic drive part
41 telescopic drive end is hinged at least swing rod, and when the second telescopic drive 41 stretching motion of part can force the bottom on swing rod
Dynamic, to adjust height and front and back position of the steering base 21 relative to vehicle frame 1, and the pivot center of supporting rack 22 is vertical always
Arrangement.The structure of the lifting assembly 4 is simple, at low cost, convenient for installation and maintenance, stable and reliable in work.
In the present embodiment, steering mechanism includes steering shaft 25, and steering shaft 25 is mounted on by bearing assembly on steering base 21
And can be rotated around vertical axis, supporting rack 22 is fixed in the lower end of steering shaft 25.
In the present embodiment, as shown in figure 3, two ground-engaging elements 2 on each slide 11 are located at the front of vehicle frame 1 with after
Portion turns to drive component and includes the front truck being mounted on vehicle frame 1 or so wheel shaft 101, rear car or so wheel shaft 102 and turn
To rotary drive 103, the output end for turning to rotary drive 103 is connected with front truck or so wheel shaft 101, front truck left and right wheels
Transmission shaft 101 is connected by clutch with rear car or so wheel shaft 102, and the walking of 1 front of vehicle frame is located on two slides 11
The steering shaft 25 of component 2 is connected by one group of first transmission component with front truck or so wheel shaft 101 respectively, on two slides 11
Steering shaft 25 positioned at the ground-engaging element 2 at 1 rear portion of vehicle frame passes through one group of second transmission component and rear car or so wheel shaft respectively
102 are connected.Power passes between front truck or so wheel shaft 101 and rear car or so wheel shaft 102 may be implemented in above-mentioned clutch
Existing a variety of clutches can be used in the cut-out and combination passed, clutch.Preferably, above-mentioned clutch uses electromagnetic clutch；
Above-mentioned steering rotary drive 103 uses hydraulic motor；The output end of above-mentioned steering rotary drive 103 is passed by turbine and worm
Motivation structure is connected with front truck or so 101 middle part of wheel shaft, to drive front truck or so wheel shaft 101 to rotate.
The steering drive component can realize two kinds of steering patterns of front-wheel independent steering and four-wheel steering, turn to flexible, energy
Enough adapt to different steering situations.When front-wheel independent steering pattern, clutch is by front truck or so wheel shaft 101 and rear car or so
The power of the cut-out that power transmits between wheel shaft 102, front truck or so wheel shaft 101 is not passed to the transmission of rear car left and right wheels
Axis 102, front truck or so wheel shaft 101, which is only driven by the first transmission component, at this time is located at 1 front of vehicle frame on two slides 11
Ground-engaging element 2 steering shaft 25 rotate；When four-wheel steering pattern, clutch is left by front truck or so wheel shaft 101 and rear car
The power of the combination that power transmits between right wheel transmission shaft 102, front truck or so wheel shaft 101 is transferred to the transmission of rear car left and right wheels
Axis 102, front truck or so wheel shaft 101 is driven by the first transmission component at this time is located at 1 front of vehicle frame on two slides 11
The steering shaft 25 of ground-engaging element 2 rotates, and rear car or so wheel shaft 102 drives two slides 11 upper by the second transmission component
It is rotated in the steering shaft 25 of the ground-engaging element 2 at 1 rear portion of vehicle frame.
In the present embodiment, the first transmission component includes the first Cardan shaft 104, the first cone on vehicle frame 1
Gear tumbler 105 and the first worm and gear steering gear 106 on steering base 21, first bevel gear commutator 105
Input terminal is connected with front truck or so wheel shaft 101, and the output end of the first worm and gear steering gear 106 is connected with steering shaft 25,
One end of first Cardan shaft 104 is connected by universal joint with the input terminal of the first worm and gear steering gear 106, and the 10000th
It is connected to the other end of section transmission shaft 104 with the output end of first bevel gear commutator 105 by universal joint；Second transmission component
Including the second Cardan shaft 107, the second bevel gear commutator 108 on vehicle frame 1, on steering base 21
The input terminal of second worm and gear steering gear 109, second bevel gear commutator 108 is connected with rear car or so wheel shaft 102, the
The output end of two worm and gear steering gears 109 is connected with steering shaft 25, and one end of the second Cardan shaft 107 passes through universal joint
It is connected with the input terminal of the second worm and gear steering gear 109, the other end of the second Cardan shaft 107 passes through universal joint and
The output end of plug tap gear tumbler 108 is connected.Each Cardan shaft is commutated by universal joint with corresponding bevel gear respectively
Device is connected passing power with corresponding worm and gear steering gear, can adapt to each traveling wheel 23 relative to the height of vehicle frame 1 and before
Change in location afterwards ensures the reliability of transmission.The structure of above-mentioned first transmission component and the second transmission component is simple, cost
It is low, be easily installed maintenance, be stable and reliable in work.
Preferably, have one group of first transmission component first bevel gear commutator 105 and one group of second transmission component
Plug tap gear tumbler 108 bores tooth commutator, the first bevel gear commutation of the first transmission component of another set using T-type dual output
The second bevel gear commutator 108 of the second transmission component of device 105 and another set uses T-type list output bevel gear commutator.First
The input terminal of T-type dual output cone tooth commutator is connected with front truck or so wheel shaft 101 in transmission component, in the first transmission component
The output end that T-type dual output bores tooth commutator bores tooth commutator by T-type dual output in clutch and the second transmission component
Input terminal be connected, in the first transmission component T-type dual output cone tooth commutator another output end passed by the first universal joint
Moving axis 104 is connected with corresponding first worm and gear steering gear 106；T-type dual output cone tooth commutator in second transmission component
One output end is connected with rear car or so wheel shaft 102, and T-type dual output bores another of tooth commutator in the second transmission component
Output end is connected by the second Cardan shaft 107 with corresponding second worm and gear steering gear 109.In first transmission component
The input terminal of T-type list output bevel gear commutator is connected with front truck or so wheel shaft 101, and T-type list exports in the first transmission component
The output end for boring tooth commutator is connected by the first Cardan shaft 104 with corresponding first worm and gear steering gear 106, the
The input terminal of T-type list output bevel gear commutator is connected with rear car or so wheel shaft 102 in two transmission components, the second transmission component
The output end of middle T-type list output bevel gear commutator is connected with corresponding second worm and gear steering gear 109.It can further carry in this way
High structural compactness, reduces cost.Above-mentioned first worm and gear steering gear 106, T-type dual output cone tooth commutator, the output of T-type list
It is the prior art to bore tooth commutator, can be obtained by outsourcing.
In the present embodiment, each slide 11 is set by two-way guiding rail cunning on vehicle frame 1.Each steering shaft 25 passes through axis
It holds in the mounting hole of steering base 21.
The four-wheel steering universal chassis of the present embodiment can realize that chassis height, wheelspan, wheelbase are adjustable, and servo-actuated with four-wheel
The functions such as steering disclosure satisfy that the multivariables such as Different Crop, different line spaces and crop different times, different growing heights
Environment, applied widely, versatile, performance is stablized.The four-wheel steering universal chassis can be used for southern hills mountainous region, orchard
A variety of occasions such as plant protection, transport, the traction in equal regions are particularly suitable for particular job rings such as southern paddy field mud foot is deep, field is small
Border.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, gained under the premise of not departing from the utility model technical concept
To modifications and variations also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of four-wheel steering universal chassis of Parameter adjustable, including vehicle frame（1）, it is characterised in that：The vehicle frame（1）It is equipped with
Along vehicle frame（1）Width direction sliding setting simultaneously can be towards and away from two slides of movement（11）, each slide（11）On be respectively mounted
There are two ground-engaging elements（2）, the vehicle frame（1）On be also equipped with for adjust two slides（11）Between spacing wheelspan adjust
Device（3）.
2. four-wheel steering universal chassis according to claim 1, it is characterised in that：The Wheel space adjusting device（3）Including
First telescopic drive part（31）, the first telescopic drive part（31）It is connected to two slides（11）Between and two cunnings can be driven
Seat（11）Towards and away from movement, the Wheel space adjusting device（3）Further include in the first telescopic drive part（31）Drive two cunnings
Seat（11）Make two slides when towards and away from movement（11）Keep synchronous slide and relative to vehicle frame（1）Sliding speed it is equal
Equidistant coordination organization.
3. four-wheel steering universal chassis according to claim 2, it is characterised in that：The equidistant coordination organization includes centre
Swing rod（32）, the first push-pull rod（33）With the second push-pull rod（34）, the intermediate swing rod（32）It is hingedly mounted on vehicle frame（1）On,
First push-pull rod（33）Respectively with one of slide（11）With intermediate swing rod（32）It is hinged, second push-pull rod（34）
Respectively with another slide（11）With intermediate swing rod（32）It is hinged, and the first push-pull rod（33）With intermediate swing rod（32）Articulated shaft
To intermediate swing rod（32）With vehicle frame（1）Articulated shaft between spacing be equal to the second push-pull rod（34）With intermediate swing rod（32）Hinge
Spindle is to intermediate swing rod（32）With vehicle frame（1）Articulated shaft between spacing, the first push-pull rod（33）With intermediate swing rod（32）'s
Articulated shaft is to the first push-pull rod（33）With corresponding slide（11）Articulated shaft between spacing be equal to the second push-pull rod（34）With in
Between swing rod（32）Articulated shaft to the second push-pull rod（34）With corresponding slide（11）Articulated shaft between spacing, the first push-pull rod
（33）With intermediate swing rod（32）Articulated shaft, the second push-pull rod（34）With intermediate swing rod（32）Articulated shaft and intermediate swing rod
（32）With vehicle frame（1）Articulated shaft it is in the same plane.
4. four-wheel steering universal chassis according to claim 1 or 2 or 3, it is characterised in that：Each ground-engaging element（2）Wrap
Include steering base（21）, supporting rack（22）With mounted on supporting rack（22）On traveling wheel（23）, the steering base（21）Pass through liter
It comes down to a lower group part（4）Mounted on slide（11）On, the supporting rack（22）It is rotatably mounted on around vertical axis by steering mechanism
Steering base（21）On, each ground-engaging element（2）Traveling wheel（23）It is connected with independent walking rotary drive（24）, the four-wheel
It further includes for driving each ground-engaging element to turn to universal chassis（2）Supporting rack（22）The steering drive component of rotation.
5. four-wheel steering universal chassis according to claim 4, it is characterised in that：The lifting assembly（4）Including second
Telescopic drive part（41）And parallelogram mechanism（42）, the steering base（21）Pass through parallelogram mechanism（42）It is mounted on
Slide（11）On, the second telescopic drive part（41）It is connected to parallelogram mechanism（42）And slide（11）Between and can drive
Make parallelogram mechanism（42）With steering base（21）Perpendicular to vehicle frame（1）Synchronization lifting in the perpendicular of width direction
With move forward and backward.
6. four-wheel steering universal chassis according to claim 4, it is characterised in that：The steering mechanism includes steering shaft
（25）, the steering shaft（25）It is mounted on steering base by bearing assembly（21）It can rotate above and around vertical axis, the supporting leg
Frame（22）It is fixed in steering shaft（25）Lower end.
7. four-wheel steering universal chassis according to claim 6, it is characterised in that：Each slide（11）On two running parts
Part（2）It is located at vehicle frame（1）Front and rear, the steering drive component include be mounted on vehicle frame（1）On front truck it is left
Right wheel transmission shaft（101）, rear car or so wheel shaft（102）With steering rotary drive（103）, the steering rotary drive
（103）Output end and front truck or so wheel shaft（101）It is connected, described front truck or so wheel shaft（101）Pass through clutch
With rear car or so wheel shaft（102）It is connected, two slides（11）It is upper to be located at vehicle frame（1）The ground-engaging element of front（2）Steering
Axis（25）Pass through one group of first transmission component and front truck or so wheel shaft respectively（101）It is connected, two slides（11）On be located at
Vehicle frame（1）The ground-engaging element at rear portion（2）Steering shaft（25）It is driven respectively by one group of second transmission component and rear car left and right wheels
Axis（102）It is connected.
8. four-wheel steering universal chassis according to claim 7, it is characterised in that：First transmission component includes first
Cardan shaft（104）, be mounted on vehicle frame（1）On first bevel gear commutator（105）With mounted on steering base（21）On
The first worm and gear steering gear（106）, the first bevel gear commutator（105）Input terminal and front truck or so wheel shaft
（101）It is connected, the first worm and gear steering gear（106）Output end and steering shaft（25）It is connected, first universal joint
Transmission shaft（104）One end pass through universal joint and the first worm and gear steering gear（106）Input terminal be connected, described first is universal
Save transmission shaft（104）The other end pass through universal joint and first bevel gear commutator（105）Output end be connected；Described second passes
Dynamic component includes the second Cardan shaft（107）, be mounted on vehicle frame（1）On second bevel gear commutator（108）, be mounted on
Steering base（21）On the second worm and gear steering gear（109）, the second bevel gear commutator（108）Input terminal and rear car
Left and right wheel shaft（102）It is connected, the second worm and gear steering gear（109）Output end and steering shaft（25）It is connected, institute
State the second Cardan shaft（107）One end pass through universal joint and the second worm and gear steering gear（109）Input terminal be connected,
Second Cardan shaft（107）The other end pass through universal joint and second bevel gear commutator（108）Output end phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582024.8U CN207607565U (en) | 2017-11-23 | 2017-11-23 | A kind of four-wheel steering universal chassis of Parameter adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721582024.8U CN207607565U (en) | 2017-11-23 | 2017-11-23 | A kind of four-wheel steering universal chassis of Parameter adjustable |
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| Publication Number | Publication Date |
|---|---|
| CN207607565U true CN207607565U (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721582024.8U Active CN207607565U (en) | 2017-11-23 | 2017-11-23 | A kind of four-wheel steering universal chassis of Parameter adjustable |
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| CN (1) | CN207607565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856760A (en) * | 2017-11-23 | 2018-03-30 | 湖南农业大学 | A kind of four-wheel steering universal chassis of Parameter adjustable |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856760A (en) * | 2017-11-23 | 2018-03-30 | 湖南农业大学 | A kind of four-wheel steering universal chassis of Parameter adjustable |
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