CN208950999U - A kind of leveling system adaptively leveling chassis for high-clearance fog machine - Google Patents
A kind of leveling system adaptively leveling chassis for high-clearance fog machine Download PDFInfo
- Publication number
- CN208950999U CN208950999U CN201821780532.1U CN201821780532U CN208950999U CN 208950999 U CN208950999 U CN 208950999U CN 201821780532 U CN201821780532 U CN 201821780532U CN 208950999 U CN208950999 U CN 208950999U
- Authority
- CN
- China
- Prior art keywords
- lifting
- oil
- bidirectional hydraulic
- hydraulic oil
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Transplanting Machines (AREA)
Abstract
The utility model discloses a kind of leveling systems that chassis is adaptively leveled for high-clearance fog machine, frame body including being used to support fog machine, it is fixed on four walking mechanisms independently driven and hydraulic leveling mechanism on the downside of frame body, four walking mechanisms are distributed on four different directions of frame body, each hydraulic leveling mechanism includes lifting pipe and there are two the lifting bidirectional hydraulic oil cylinders of oil inlet and outlet for controlling the flexible simultaneously band of lifting pipe, four lifting bidirectional hydraulic oil cylinders connect in parallel, four lifting bidirectional hydraulic oil cylinders pass sequentially through bidirectional hydraulic lock group, three position four-way electromagnetic valve group and the two-position two-way solenoid valve group for controlling fuel path switch are connected with lifting pressure oil sources and lifting fuel tank.The utility model is only capable of making vehicle all directions that can carry out automatic leveling, reduces vehicle and the probability longitudinally turned on one's side occurs, moreover it is possible to play certain damping effect.
Description
Technical field
The utility model relates to agricultural mechanical equipment fields, and in particular to one kind is adaptively leveled for high-clearance fog machine
The leveling system on chassis.
Background technique
Rice is the main cereal crops in the world, in global plantation extensively.China is the country of origin of rice, even more hybridization water
The cradle of rice, hybrid rice are succeeded in developing to solve world food safety problem and being made that tremendous contribution.China's water at present
In most of sport technique segment, such as mechanical plough whole field, Mechanical direct sowing and machine rice transplantation, mechanical harvesting and cereal dry for rice production
Dry machine etc. realizes mechanization substantially.But by China's traditional agriculture farming habit, southern paddy field mud foot is deep, field is small, height difference is big,
The problems such as field transhipment is more difficult influences, currently, specifically for paddy field ground plant protection operation, especially for complex job ring
Border can guarantee that equipment operation is stable and the stable double leveling high-clearance fog machines of operation effectiveness are still without preferable scheme.
Meanwhile China's equipment for plant protection mostly uses mechanical fixed-type external vehicle bridge at present, steering flexibility needs with portability
It improves, and it has the adjustable fog machine of job parameter, is usually suitable for the large-scale fog machine of Drought land in North, such type
While having the advantages that multiple functional, continuation of the journey duration, the paddy-field-working of field type small for south is completely inadaptable.Current two
The shortcoming that kind mainstream leveling mode is applied in agriculture field: the first is that traditional automatic horizontal control system is all made of switching regulator
Robot control system(RCS), sensor are mostly hydraulic follow-up device, with open and close and three kinds of dead zone working method response sensor signal.It is this
Automatic horizontal control system control left and right oil cylinder lifting during, there are in one response error.Second is proportion expression
Robot control system(RCS) is to replace the solenoid directional control valve in switching regulator robot control system(RCS) to develop with hydraulic proportion valve.It believes according to deviation
Number size, control target is continuously adjusted with corresponding fast jogging speed.But this leveling system is to the precision of structure
It is more demanding, involve great expense.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind for high-clearance plant protection
Machine adaptively levels the leveling system on chassis, it can not only make vehicle all directions that can carry out automatic leveling, reduces vehicle hair
The raw probability longitudinally turned on one's side, since four hydraulic cylinders are all connected in parallel, when some wheel encounters protrusion or hogwallow
When, the hydraulic cylinder on the supporting leg will shrink or extend, so that hydraulic system absorbs the impact force that wheel is faced from ground,
Certain damping effect can also be played.
In order to solve the above technical problems, the utility model proposes technical solution are as follows: one kind for high-clearance fog machine from
The leveling system for adapting to leveling chassis, including four independent drives on the downside of being used to support the frame body of fog machine, being fixed on frame body
Dynamic walking mechanism and hydraulic leveling mechanism, four walking mechanisms are distributed on four different directions of frame body, each liquid
Pressure levelling mechanism includes lifting pipe and for controlling that lifting pipe is flexible and band is there are two the lifting bidirectional hydraulic oil cylinder of oil inlet and outlet,
Four lifting bidirectional hydraulic oil cylinders connect in parallel, and four lifting bidirectional hydraulic oil cylinders pass sequentially through and are able to achieve liter
The static locking of bidirectional hydraulic oil cylinder drops and keep lifting bidirectional hydraulic oil cylinder the constant bidirectional hydraulic lock group of stroke, to
Change two two that hydraulic oil enters the three position four-way electromagnetic valve group for going up and down the direction of bidirectional hydraulic oil cylinder and control fuel path switch
Three-way electromagnetic valve group is connected with lifting pressure oil sources and lifting fuel tank.
As a further improvement of the above technical scheme: including five bidirectional hydraulic locks, institute in the bidirectional hydraulic lock group
Stating three position four-way electromagnetic valve group includes five three position four-way electromagnetic valves, and each three position four-way electromagnetic valve includes oil inlet A, oil outlet
A, the first actuator port and the second actuator port, oil inlet A are connected with lifting pressure oil sources, and oil outlet A is connected with lifting fuel tank,
For each three position four-way electromagnetic valve tool there are three working condition, the first working condition is that oil inlet A is made to be connected to the first actuator port, go out
Hydraulic fluid port A is connected to the second actuator port, and the second working condition is that oil inlet A is made to be connected to the second actuator port, oil outlet A connection first
Actuator port, third working condition are that oil inlet A, oil outlet A, the first actuator port and the second actuator port is made mutually to break
It opens；The two-position two-way solenoid valve group include three two-position two-way solenoid valves, each two-position two-way solenoid valve include oil inlet B and
Oil outlet B, oil inlet B are connected with lifting pressure oil sources, and oil outlet B is connected with the import of three position four-way electromagnetic valve, and each two
For two-way electromagnetic valve tool there are two working condition, the first working condition is to make lifting pressure oil sources, oil inlet B, oil outlet B and three
Four way solenoid valve oil inlet A is interconnected, and the second working condition is to make lifting pressure oil sources, oil inlet B, oil outlet B and three
Four way solenoid valve oil inlet A is mutually disconnected.
Further, the lifting pressure oil sources includes quantitative oil pump, and the input end of quantitative oil pump is equipped with oil absorption filter, out
Mouth end is equipped with pressure oil filter, and the oil circuit that three position four-way electromagnetic valve group is connect with lifting fuel tank is equipped with hydraulic oil radiator and overflows
Flow valve.
Further, the walking mechanism includes the steering assembly of wheel and adjustable wheel direction of travel, wheel, hydraulic tune
Flattening mechanism and steering assembly are arranged successively from bottom to up, and on same vertical direction, wheel is mounted on wheel mount；
The steering assembly includes steering motor and steering shaft, and steering column jacket is equipped with outside the steering shaft, is passed through outside steering column jacket
The mode of welding is connect with frame body, there is and the matching used taper roller axis of steering shaft mounted in pairs inside the steering column jacket
It holds, steering column jacket is stretched out at the both ends of the steering shaft, and steering shaft passes through spline with steering motor, lifting pipe respectively and connect；It is described
The both ends of hydraulic leveling mechanism pass through upper pin and lower bearing pin respectively and are connected and fixed with lifting pipe, and lifting pipe includes direct with wheel
The lifting inner tube of connection and the lifting outer tube being used cooperatively above lifting inner tube and with lifting inner tube, the upper pin and liter
Outer tube connection is dropped, and the lower bearing pin is connect with lifting inner tube.
Further, four hydraulic leveling mechanism arrangements in rectangular configuration, corresponding four liftings of hydraulic leveling mechanism
There are three types of parallel ways for the oil inlet and outlet of bidirectional hydraulic oil cylinder, the first parallel way is by four lifting bidirectional hydraulic oil cylinders
Oil inlet and outlet is connected in parallel respectively as one group；Second of parallel way is by left front and right preceding lifting bidirectional hydraulic oil cylinder
Oil inlet and outlet parallel connection as behind one group, the left back and right side go up and down bidirectional hydraulic oil cylinder oil inlet and outlet parallel connection as one group；The third
Parallel way is that the oil inlet and outlet parallel connection of left front and left back lifting bidirectional hydraulic oil cylinder is double as going up and down behind before one group, the right side and right side
To hydraulic cylinder oil inlet and outlet parallel connection as one group.
The leveling method of the above-mentioned leveling system that chassis is adaptively leveled for high-clearance fog machine, including walk as follows
It is rapid:
1) the three position four-way electromagnetic valve group and two-position two-way solenoid valve group tune that bidirectional hydraulic oil cylinder is connect will be gone up and down with four
It is whole to be in hollow state；
2) be divided into two or single lifting bidirectional hydraulic oil cylinder for going up and down bidirectional hydraulic oil cylinder for four are one group, when wherein
When wheel in one group of walking mechanism connected crosses raised road surface, the past recycling of all lifting bidirectional hydraulic oil cylinders of the group
Contracting, the oil which goes up and down in the big chamber of bidirectional hydraulic oil cylinder enter in the big chamber of lifting bidirectional hydraulic oil cylinder of remaining set, make remaining set
Lifting bidirectional hydraulic oil cylinder elongation, adjust four lifting bidirectional hydraulic oil cylinders top be in same level；When wherein
When one group of wheel connected crosses potted road surface, all lifting bidirectional hydraulic oil cylinder elongations of the group, which goes up and down two-way
Oil in the small chamber of hydraulic cylinder enters in the small chamber of lifting bidirectional hydraulic oil cylinder of remaining set, makes the lifting bidirectional hydraulic oil of remaining set
Cylinder back shrinkage, the top for adjusting four lifting bidirectional hydraulic oil cylinders are in same level.
As a further improvement of the above technical scheme: two lifting bidirectional hydraulic oil cylinders in the step 2) are one group
The case where include front end two and two kinds of rear end two, two, left side and two, right side situations.
Further, the lifting bidirectional hydraulic oil cylinder of the step 2) front end two is one group, the lifting bidirectional hydraulic of rear end two
When oil cylinder is one group, two lifting bidirectional hydraulic oil cylinders of each group are respectively arranged on the front-end and back-end below frame body, and the two of each group
A lifting bidirectional hydraulic oil cylinder is respectively arranged on the two sides below frame body, and first group is left front lifting bidirectional hydraulic oil cylinder and right preceding liter
Bidirectional hydraulic oil cylinder drops, and second group is lifting bidirectional hydraulic oil cylinder after left back lifting bidirectional hydraulic oil cylinder and the right side, when left side is walked
When the wheel of mechanism crosses raised road surface, which will be elevated, and the bidirectional hydraulic oil cylinder of side lifting at this time will be back
It shrinks, the oil of the lifting big chamber of bidirectional hydraulic oil cylinder will enter the big chamber of other side lifting bidirectional hydraulic oil cylinder, then the liter on right side
Drop bidirectional hydraulic oil cylinder will extend, so that the frame body end two sides are in horizontality；When left side wheel crosses hollow road
When face, which will sink, and the bidirectional hydraulic oil cylinder of side lifting at this time will extend, the lifting small chamber of bidirectional hydraulic oil cylinder
Oil will enter the small chamber of other side lifting bidirectional hydraulic oil cylinder, then the lifting bidirectional hydraulic oil cylinder on right side past will recycle, from
And the frame body end two sides is made to be in horizontality.
Further, two lifting bidirectional hydraulic oil cylinders are one group and two, right side lifting bidirectional hydraulic on the left of the step 2)
When oil cylinder is one group, two groups of lifting bidirectional hydraulic oil cylinders are divided into the two sides below frame body, two lifting bidirectional hydraulics of each group
Oil cylinder is respectively arranged on the front-end and back-end below frame body, and first group is left front lifting bidirectional hydraulic oil cylinder and the left back two-way liquid of lifting
Compressing cylinder, second group is lifting bidirectional hydraulic oil cylinder and lifting bidirectional hydraulic oil cylinder behind the right side before the right side, when the vehicle of left front walking mechanism
When crossing raised road surface, which will be elevated wheel, at this time the lifting bidirectional hydraulic oil cylinder will back shrinkage, go up and down two-way
The oil of the big chamber of hydraulic cylinder will enter the big chamber of left back lifting bidirectional hydraulic oil cylinder, then left back lifting bidirectional hydraulic oil cylinder will
It can extend, the left back end of frame body is lifted automatically, so that frame body front and back end is in horizontality；When front left wheel crosses hollow
When road surface, which will sink, and the lifting bidirectional hydraulic oil cylinder at this will extend at this time, go up and down the small chamber of bidirectional hydraulic oil cylinder
Oil will enter it is left back lifting bidirectional hydraulic oil cylinder small chamber, then left back lifting bidirectional hydraulic oil cylinder will toward recycling, frame
The left back end of body declines automatically, so that frame body front and back end is in horizontality.
Further, individually gone up and down in the step 2) bidirectional hydraulic oil cylinder be one group when, when one of wheel encounter it is convex
Rise road surface when, which will be elevated, at this time the lifting bidirectional hydraulic oil cylinder will back shrinkage, go up and down bidirectional hydraulic oil cylinder
The oil of big chamber will enter the big chamber of other three lifting bidirectional hydraulic oil cylinders, so that other three lifting bidirectional hydraulic oil cylinders are not
With raising for degree, until entire frame body is adjusted to horizontality.
Compared with the prior art, the advantages of the utility model are:
The hydraulic architecture of the leveling of the utility model uses bidirectional hydraulic lock group, three position four-way electromagnetic valve group and bi-bit bi-pass
Solenoid valve block can switch oil circuit by electrical control, realize that left and right, front and back four-wheel are independently leveled according to vehicle body center of gravity, suitable with this
Machine walking position is limited when answering farm work, realizes unilateral across ridge walking operations；With the leveling of continuous front and back when field transition
Posture gets over bank climbing；It in uneven Ground Operation, is cooperateed with and is leveled by four-wheel, guarantee complete machine riding stability and then guaranteed
Operation effectiveness；Leveling system is relatively low to the required precision of structure, low cost；Different leveling modes, adapt to different works
Industry state.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram when the utility model hydraulic leveling mechanism is in adjustment state；
Fig. 3 is the partial sectional view of the utility model walking mechanism and hydraulic leveling mechanism connected to it；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the working principle diagram of the utility model hydraulic leveling mechanism.
Marginal data:
11, frame body；12, walking mechanism；121, wheel；1223, upper pin；1224, lower bearing pin；123, steering assembly；
1231, steering motor；1232, steering shaft；1233, steering column jacket；1234, tapered roller bearing；124, wheel mount；13,
Hydraulic leveling mechanism；131, lifting pipe；1311, inner tube is gone up and down；1312, outer tube is gone up and down；132, bidirectional hydraulic oil cylinder is gone up and down；14,
Bidirectional hydraulic lock group；141, the first bidirectional hydraulic lock；142, the second bidirectional hydraulic lock；143 third bidirectional hydraulic locks；144, the 4th
Bidirectional hydraulic lock；145, the 5th bidirectional hydraulic lock；15, three position four-way electromagnetic valve group；151, the first three position four-way electromagnetic valve；152,
Second three position four-way electromagnetic valve；153, third three position four-way electromagnetic valve；154, the 4th three position four-way electromagnetic valve；155, the five or three
Four way solenoid valve；16, two-position two-way solenoid valve group；161, the first two-position two-way solenoid valve；162, the second two-position two-way solenoid valve；
163, third two-position two-way solenoid valve；17, lifting pressure oil sources；171, oil absorption filter；172, pressure oil filter；18, it goes up and down
Fuel tank；181, overflow valve；19, hydraulic oil radiator.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the protection scope of the utility model is not limited to embodiment in detail below.
As shown in Figures 1 to 5, a kind of leveling system adaptively leveling chassis for high-clearance fog machine, including be used for
It supports the frame body 11 of fog machine, be fixed on 11 four walking mechanisms 12 and hydraulic leveling mechanism independently driven in downside of frame body
13, four walking mechanisms 12 are distributed on four different directions of frame body 11, and each hydraulic leveling mechanism 13 includes lifting pipe 131
With for controlling the flexible simultaneously band of lifting pipe 131 there are two the lifting bidirectional hydraulic oil cylinder 132 of oil inlet and outlet, four go up and down two-way liquid
Compressing cylinder 132 connects in parallel, and four lifting bidirectional hydraulic oil cylinders 132, which pass sequentially through, is able to achieve lifting bidirectional hydraulic oil
The static locking of cylinder 132 simultaneously keeps the constant bidirectional hydraulic lock group 14 of stroke of lifting bidirectional hydraulic oil cylinder 132, to change
Hydraulic oil enters the three position four-way electromagnetic valve group 15 in the direction of lifting bidirectional hydraulic oil cylinder 132 and controls two two of fuel path switch
Three-way electromagnetic valve group 16 is connected with lifting pressure oil sources 17 and lifting fuel tank 18.
It include five bidirectional hydraulic locks in bidirectional hydraulic lock group 14, from left to right respectively first is two-way in the present embodiment
Hydraulic lock 141, the second bidirectional hydraulic lock 142, third bidirectional hydraulic lock 143, the 4th bidirectional hydraulic lock 144 and the 5th bidirectional hydraulic
Lock 145, three position four-way electromagnetic valve group 15 include five three position four-way electromagnetic valves, from left to right respectively the first 3-position 4-way electromagnetism
Valve 151, the second three position four-way electromagnetic valve 152, third three position four-way electromagnetic valve 153, the 4th three position four-way electromagnetic valve 154 and the 5th
Three position four-way electromagnetic valve 155, each three position four-way electromagnetic valve include oil inlet A, oil outlet A, the first actuator port and the second work
Make hydraulic fluid port, oil inlet A is connected with lifting pressure oil sources 17, and oil outlet A is connected with lifting fuel tank 18, each three position four-way electromagnetic valve
For tool there are three working condition, the first working condition is that oil inlet A is made to be connected to the first actuator port, the second work of oil outlet A connection
Hydraulic fluid port, the second working condition are that oil inlet A is made to be connected to the second actuator port, oil outlet A the first actuator port of connection, third work
State is to disconnect oil inlet A, oil outlet A, the first actuator port and the second actuator port mutually；Two-position two-way solenoid valve group
16 include three two-position two-way solenoid valves, from left to right respectively the first two-position two-way solenoid valve 161, the second bi-bit bi-pass electromagnetism
Valve 162 and third two-position two-way solenoid valve 163, each two-position two-way solenoid valve include oil inlet B and oil outlet B, oil inlet B with
Lifting pressure oil sources 17 is connected, and oil outlet B is connected with the import of three position four-way electromagnetic valve, and each two-position two-way solenoid valve has two
A working condition, the first working condition are to make lifting pressure oil sources 17, oil inlet B, oil outlet B and three position four-way electromagnetic valve oil inlet
Mouthful A is interconnected, the second working condition be make lifting pressure oil sources 17, oil inlet B, oil outlet B and three position four-way electromagnetic valve into
Hydraulic fluid port A is mutually disconnected.
In the present embodiment, three position four-way electromagnetic valve is for digital output modul, and controller exports electric signal to 3-position 4-way
The electromagnet of solenoid valve, three position four-way electromagnetic valve can be by whether there is or not the on-off that electric signal realizes oil circuit, while being able to achieve the stream of liquid stream
To control, overflow valve built in three position four-way electromagnetic valve valve group, can be used to adjust lifting bidirectional hydraulic oil cylinder 132 work pressure
It power and prevents compression shock and damages hydraulic cylinder.
In the present embodiment, lifting pressure oil sources 17 includes quantitative oil pump, and the input end of quantitative oil pump is equipped with oil absorption filter
171, outlet end is equipped with pressure oil filter 172, and the oil circuit that three position four-way electromagnetic valve group 15 is connect with lifting fuel tank 18 is equipped with liquid
Pressure oil radiator 19 and overflow valve 181.
In the present embodiment, walking mechanism 12 includes the steering assembly 123 of 121 direction of travel of wheel 121 and adjustable wheel,
Four lifting bidirectional hydraulic oil cylinders 132 in attached drawing 5 from left to right respectively correspond front left wheel 121, right front wheel 121, left back
Wheel 121 and right rear wheel 121, wheel 121, hydraulic leveling mechanism 13 and steering assembly 123 are arranged successively from bottom to up, and are located
In on same vertical direction, wheel 121 is mounted on wheel mount 124；Steering assembly 123 includes steering motor 1231 and turns
To axis 1232, be equipped with steering column jacket 1233 outside steering shaft 1232, outside steering column jacket 1233 by welding with frame body
11 connections, 1233 inside mounted in pairs of steering column jacket have and the matching used tapered roller bearing 1234 of steering shaft 1232, steering
Steering column jacket 1233 is stretched out at the both ends of axis 1232, and steering shaft 1232 and steering motor 1231, lifting pipe 131 are connected by spline respectively
It connects；The both ends of hydraulic leveling mechanism 13 pass through upper pin 1223 and lower bearing pin 1224 respectively and are connected and fixed with lifting pipe 131, lifting
Pipe 131 include the lifting inner tube 1311 being directly connected to wheel 121 and be located at lifting inner tube 1311 top and with lifting inner tube
The 1311 lifting outer tubes 1312 being used cooperatively, upper pin 1223 are connect with lifting outer tube 1312, lower bearing pin 1224 and lifting inner tube
1311 connections.
In the present embodiment, four arrangements in rectangular configuration of hydraulic leveling mechanism 13,13 corresponding four, hydraulic leveling mechanism
The oil inlet and outlet of bidirectional hydraulic oil cylinder 132 is gone up and down there are three types of parallel way, three kinds of parallel ways respectively correspond three kinds of leveling modes,
The first parallel way is that the oil inlet and outlet that four go up and down bidirectional hydraulic oil cylinder 132 is connected in parallel respectively as one group；The
Two kinds of parallel ways be by it is left front and it is right it is preceding lifting bidirectional hydraulic oil cylinder 132 oil inlet and outlet parallel connection as one group, it is left back and right
The oil inlet and outlet parallel connection of bidirectional hydraulic oil cylinder 132 is gone up and down afterwards as one group；The third parallel way is by left front and left back lifting
The oil inlet and outlet parallel connection of bidirectional hydraulic oil cylinder 132 is as the oil inlet and outlet for going up and down bidirectional hydraulic oil cylinder 132 behind before one group, the right side and right side
Parallel connection is as one group.
In the present embodiment, when the first two-position two-way solenoid valve 161 obtain with 151 coil of the first three position four-way electromagnetic valve it is electric,
Remaining solenoid valve block must not electricity and be in close state, at this time lifting pressure oil sources 17 can will go up and down 132 cylinder of bidirectional hydraulic oil cylinder
Bar ejection, four lifting bidirectional hydraulic oil cylinders 132 extend simultaneously is increased to plant protection locomotive frame frame body 11 after presetting the road clearance,
First three position four-way electromagnetic valve 151 mutually disconnects oil inlet, oil outlet, the first actuator port and the second actuator port, and four
A lifting two-way hydraulic cylinder 132 carries out closing static pressure maintaining, and the first bidirectional hydraulic lock 141 can keep going up and down two-way liquid for a long time
The hydraulic oil of compressing cylinder 132 is not revealed and is lost, and the ground mutation such as encounters hole, deep mud foot on the road and cross a ridge when fog machine travels
In the case of lifting assembly compensate automatically vehicle frame center of gravity it is unbalance so that 11 chassis of frame body tends to be horizontal.When fog machine left and right wheels
121 when having larger difference in height, and driver can be with manual switching to making the second three position four-way electromagnetic valve 152, third 3-position 4-way electricity
Magnet valve 153 and 162 coil of the second two-position two-way solenoid valve obtain it is electric, to pass in and out left front and right preceding lifting bidirectional hydraulic oil cylinder 132
Hydraulic fluid port parallel connection is as lifting 132 oil inlet and outlet parallel connection of bidirectional hydraulic oil cylinder behind one group, the left back and right side as one group, the two or three four
Three-way electromagnetic valve 152 and third three position four-way electromagnetic valve 153 are by oil inlet, oil outlet, the first actuator port and the second actuator port
It mutually disconnects, two groups of lifting bidirectional hydraulic oil cylinders 132 carry out closing static pressure maintaining, and lifting bidirectional hydraulic oil cylinder 132 will be certainly
The levelness of the dynamic centre of gravity adjustment frame body 11 according to vehicle body.The leveling method does not need to remove detection vehicle by other electric sensors
Whether frame chassis tilts, and the hydraulic oil in other series connection cylinders it is corresponding to automatically flow into sagging walking mechanism 12 according to gravity center shift
Lifting bidirectional hydraulic oil cylinder 132, to realize that machine posture passively adjusts, while during the function may also function as machine travel
Suspension cushioning effect, reducing ground variation influences the vibrations of all parts on frame body 11, to improve the driving of fog machine
Comfort with it is handling, the levelling principle of other forms is same as described above.
The leveling method of the above-mentioned leveling system that chassis is adaptively leveled for high-clearance fog machine, including walk as follows
It is rapid:
1) the three position four-way electromagnetic valve group 15 and two-position two-way solenoid valve that bidirectional hydraulic oil cylinder 132 is connect will be gone up and down with four
16 adjustment of group is in hollow state；
2) be divided into two or single lifting bidirectional hydraulic oil cylinder 132 for going up and down bidirectional hydraulic oil cylinder 132 for four are one group,
When the wheel 121 in wherein one group of walking mechanism 12 connected crosses raised road surface, the two-way liquid of all liftings of the group
132 back shrinkage of compressing cylinder, the oil which goes up and down in the big chamber of bidirectional hydraulic oil cylinder 132 enter the lifting bidirectional hydraulic oil of remaining set
In the big chamber of cylinder 132, the lifting bidirectional hydraulic oil cylinder 132 of remaining set is extended, adjusts the top of four lifting bidirectional hydraulic oil cylinders 132
End is in same level；When wherein one group of wheel 121 connected crosses potted road surface, all liftings of the group are double
It is extended to hydraulic cylinder 132, the oil in the group lifting small chamber of bidirectional hydraulic oil cylinder 132 enters the lifting bidirectional hydraulic oil of remaining set
In the small chamber of cylinder 132, make 132 back shrinkage of lifting bidirectional hydraulic oil cylinder of remaining set, adjusts four lifting bidirectional hydraulic oil cylinders 132
Top be in same level.
In the present embodiment, the case where two lifting bidirectional hydraulic oil cylinders 132 in step 2) are one group includes front end two
With two kinds of rear end two, two, left side and two, right side situations.
In the present embodiment, the lifting bidirectional hydraulic oil cylinder 132 of step 2) front end two is one group, rear end two goes up and down two-way liquid
When compressing cylinder 132 is one group, two lifting bidirectional hydraulic oil cylinders 132 of each group are respectively arranged on the front end of 11 lower section of frame body with after
End, two lifting bidirectional hydraulic oil cylinders 132 of each group are respectively arranged on the two sides of 11 lower section of frame body, and first group two-way for left front lifting
Hydraulic cylinder 132 and it is right before go up and down bidirectional hydraulic oil cylinder 132, second group is rises behind left back lifting bidirectional hydraulic oil cylinder 132 and the right side
Bidirectional hydraulic oil cylinder 132 drops, and when the wheel 121 of left side walking mechanism 12 crosses raised road surface, which will be lifted
Height, the bidirectional hydraulic oil cylinder 132 of side lifting at this time will back shrinkage, the oil for going up and down the big chamber of bidirectional hydraulic oil cylinder 132 will be into
Enter the big chamber of other side lifting bidirectional hydraulic oil cylinder 132, then the lifting bidirectional hydraulic oil cylinder 132 on right side will extend, to make
It obtains the end two sides of frame body 11 and is in horizontality；When left side wheel 121 crosses potted road surface, which will sink,
The bidirectional hydraulic oil cylinder 132 of side lifting at this time will extend, and the oil of the lifting small chamber of bidirectional hydraulic oil cylinder 132 will enter the other side
The small chamber of bidirectional hydraulic oil cylinder 132 is gone up and down, then the lifting bidirectional hydraulic oil cylinder 132 on right side will be toward recycling, so that frame body
The 11 end two sides are in horizontality.
In the present embodiment, two lifting bidirectional hydraulic oil cylinders 132 are that one group and the lifting of two, right side are two-way on the left of step 2)
When hydraulic cylinder 132 is one group, two groups of lifting bidirectional hydraulic oil cylinders 132 are divided into the two sides of the lower section of frame body 11, and two of each group
Lifting bidirectional hydraulic oil cylinder 132 is respectively arranged on the front-end and back-end of 11 lower section of frame body, and first group is left front lifting bidirectional hydraulic oil
Cylinder 132 and left back lifting bidirectional hydraulic oil cylinder 132, second group be it is right before lifting bidirectional hydraulic oil cylinder 132 and it is right after go up and down it is two-way
Hydraulic cylinder 132, when the wheel 121 of left front walking mechanism 12 crosses raised road surface, which will be elevated, at this time
The lifting bidirectional hydraulic oil cylinder 132 will back shrinkage, lifting the big chamber of bidirectional hydraulic oil cylinder 132 oil will enter left back lifting
The big chamber of bidirectional hydraulic oil cylinder 132, then left back lifting bidirectional hydraulic oil cylinder 132 will extend, and the left back end of frame body 11 is automatic
It lifts, so that 11 front and back end of frame body is in horizontality；When front left wheel 121 crosses potted road surface, which will
It can sink, the lifting bidirectional hydraulic oil cylinder 132 at this will extend at this time, and the oil of the lifting small chamber of bidirectional hydraulic oil cylinder 132 will
Into the small chamber of left back lifting bidirectional hydraulic oil cylinder 132, then left back lifting bidirectional hydraulic oil cylinder 132 will be toward recycling, frame body
11 left back ends decline automatically, so that 11 front and back end of frame body is in horizontality.
Individually gone up and down in the present embodiment, in step 2) bidirectional hydraulic oil cylinder 132 be one group when, when one of wheel 121
When encountering raised road surface, which will be elevated, at this time the lifting bidirectional hydraulic oil cylinder 132 will back shrinkage, lifting
The oil of the big chamber of bidirectional hydraulic oil cylinder 132 will enter the big chamber of other three lifting bidirectional hydraulic oil cylinders 132, so that other three
Lifting bidirectional hydraulic oil cylinder 132 is different degrees of to be raised, until entire frame body 11 is adjusted to horizontality.
Claims (5)
1. a kind of leveling system for adaptively leveling chassis for high-clearance fog machine, the frame body including being used to support fog machine
(11), it is fixed on four walking mechanisms (12) and hydraulic leveling mechanism (13) independently driven on the downside of frame body (11), four
Walking mechanism (12) is distributed on four different directions of frame body (11), it is characterised in that: each hydraulic leveling mechanism
(13) include lifting pipe (131) and there are two the lifting bidirectional hydraulics of oil inlet and outlet for controlling lifting pipe (131) flexible simultaneously band
Oil cylinder (132), four lifting bidirectional hydraulic oil cylinders (132) connect in parallel, four lifting bidirectional hydraulic oil cylinders
(132) it passes sequentially through the static locking for being able to achieve lifting bidirectional hydraulic oil cylinder (132) and keeps lifting bidirectional hydraulic oil cylinder (132)
The constant bidirectional hydraulic lock group (14) of stroke, enter to change hydraulic oil the direction of lifting bidirectional hydraulic oil cylinder (132)
Three position four-way electromagnetic valve group (15) and control fuel path switch two-position two-way solenoid valve group (16) and lifting pressure oil sources (17)
It is connected with lifting fuel tank (18).
2. the leveling system according to claim 1 for adaptively leveling chassis for high-clearance fog machine, it is characterised in that:
It include five bidirectional hydraulic locks in the bidirectional hydraulic lock group (14), the three position four-way electromagnetic valve group (15) includes five three
Four way solenoid valve, each three position four-way electromagnetic valve include oil inlet A, oil outlet A, the first actuator port and the second actuator port,
Oil inlet A is connected with lifting pressure oil sources (17), and oil outlet A is connected with lifting fuel tank (18), each three position four-way electromagnetic valve tool
There are three working condition, the first working condition is that oil inlet A is made to be connected to the first actuator port, oil outlet A the second working oil of connection
Mouthful, the second working condition is that oil inlet A is made to be connected to the second actuator port, oil outlet A the first actuator port of connection, third work shape
State is to disconnect oil inlet A, oil outlet A, the first actuator port and the second actuator port mutually；The two-position two-way solenoid valve
Group (16) includes three two-position two-way solenoid valves, and each two-position two-way solenoid valve includes oil inlet B and oil outlet B, oil inlet B with
Lifting pressure oil sources (17) is connected, and oil outlet B is connected with the import of three position four-way electromagnetic valve, and each two-position two-way solenoid valve has
Two working conditions, the first working condition are to make lifting pressure oil sources (17), oil inlet B, oil outlet B and three position four-way electromagnetic valve
Oil inlet A is interconnected, and the second working condition is to make lifting pressure oil sources (17), oil inlet B, oil outlet B and 3-position 4-way electricity
Magnet valve oil inlet A is mutually disconnected.
3. the leveling system according to claim 1 for adaptively leveling chassis for high-clearance fog machine, it is characterised in that:
The lifting pressure oil sources (17) includes quantitative oil pump, and the input end of quantitative oil pump is equipped with oil absorption filter (171), and outlet end is set
Have pressure oil filter (172), the oil circuit that three position four-way electromagnetic valve group (15) is connect with lifting fuel tank (18) is dissipated equipped with hydraulic oil
Hot device (19) and overflow valve (181).
4. the leveling system according to any one of claim 1-3 that chassis is adaptively leveled for high-clearance fog machine,
It is characterized by: the walking mechanism (12) includes the steering assembly of wheel (121) and adjustable wheel (121) direction of travel
(123), wheel (121), hydraulic leveling mechanism (13) and steering assembly (123) are arranged successively from bottom to up, and in same perpendicular
Histogram is upward, and wheel (121) is mounted on wheel mount (124)；The steering assembly (123) includes steering motor (1231)
With steering shaft (1232), the steering shaft (1232) is external to be equipped with steering column jacket (1233), passes through outside steering column jacket (1233)
The mode of welding is connect with frame body (11), and the internal mounted in pairs of the steering column jacket (1233) has and steering shaft (1232) is mating makes
Steering column jacket (1233) are stretched out at the both ends of tapered roller bearing (1234), the steering shaft (1232), steering shaft (1232)
It is connect respectively by spline with steering motor (1231), lifting pipe (131)；The both ends of the hydraulic leveling mechanism (13) lead to respectively
It crosses upper pin (1223) and lower bearing pin (1224) to be connected and fixed with lifting pipe (131), lifting pipe (131) includes and wheel (121)
The lifting inner tube (1311) that is directly connected to and it is located above lifting inner tube (1311) and is used cooperatively with lifting inner tube (1311)
It goes up and down outer tube (1312), the upper pin (1223) connect with lifting outer tube (1312), in the lower bearing pin (1224) and lifting
Manage (1311) connection.
5. the leveling system according to any one of claim 1-3 that chassis is adaptively leveled for high-clearance fog machine,
It is characterized by: the four hydraulic leveling mechanism (13) arrangements in rectangular configuration, hydraulic leveling mechanism (13) are four corresponding
There are three types of parallel ways for the oil inlet and outlet of lifting bidirectional hydraulic oil cylinder (132), the first parallel way is that four liftings are two-way
The oil inlet and outlet of hydraulic cylinder (132) is connected in parallel respectively as one group；Second of parallel way is by left front and right preceding liter
Drop bidirectional hydraulic oil cylinder (132) oil inlet and outlet parallel connection as behind one group, the left back and right side go up and down bidirectional hydraulic oil cylinder (132) into
Oil outlet parallel connection is as one group；The third parallel way is by the disengaging oil of left front and left back lifting bidirectional hydraulic oil cylinder (132)
The mouth oil inlet and outlet parallel connection in parallel as lifting bidirectional hydraulic oil cylinder (132) behind before one group, the right side and right side is as one group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780532.1U CN208950999U (en) | 2018-10-31 | 2018-10-31 | A kind of leveling system adaptively leveling chassis for high-clearance fog machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780532.1U CN208950999U (en) | 2018-10-31 | 2018-10-31 | A kind of leveling system adaptively leveling chassis for high-clearance fog machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208950999U true CN208950999U (en) | 2019-06-07 |
Family
ID=66743595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821780532.1U Active CN208950999U (en) | 2018-10-31 | 2018-10-31 | A kind of leveling system adaptively leveling chassis for high-clearance fog machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208950999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185248A (en) * | 2018-10-31 | 2019-01-11 | 湖南农业大学 | A kind of leveling system and its leveling method adaptively leveling chassis for high-clearance fog machine |
-
2018
- 2018-10-31 CN CN201821780532.1U patent/CN208950999U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185248A (en) * | 2018-10-31 | 2019-01-11 | 湖南农业大学 | A kind of leveling system and its leveling method adaptively leveling chassis for high-clearance fog machine |
| CN109185248B (en) * | 2018-10-31 | 2023-11-21 | 湖南农业大学 | Leveling system and leveling method for self-adaptive leveling of chassis of high-clearance plant protection machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109185248A (en) | A kind of leveling system and its leveling method adaptively leveling chassis for high-clearance fog machine | |
| US10625796B2 (en) | Auto-leveling drive axle device for wheeled tractor, and leveling method | |
| US6131919A (en) | Method of automatically adjusting a body of a tractor to a horizontal position and apparatus for performing the same | |
| CN108944327B (en) | Double-layer automatic adjustable suspension suitable for hilly and mountain areas | |
| CN109177676A (en) | A kind of levelling vehicle frame of high-clearance fog machine | |
| CN108843635B (en) | Hydraulic transmission control system and control method for hilly and mountain tractor | |
| CN208950999U (en) | A kind of leveling system adaptively leveling chassis for high-clearance fog machine | |
| CN106965627A (en) | Road clearance adjustable multifunctional tractor chassis | |
| CN109699624A (en) | A kind of chassis structure and its road clearance adjusting method of high-clearance fog machine | |
| CN206983657U (en) | A kind of hydraulic pressure independent suspension of horizontal automatic adjusument | |
| CN111362203B (en) | Orchard work platform leveling system and leveling method | |
| CN107199841B (en) | Hydraulic independent suspension with horizontal self-adaptive adjustment and control method thereof | |
| CN110199592A (en) | The automatic adjusting system of rotary tillage and its method | |
| CN202573706U (en) | Device for adjusting height of vehicle frame | |
| CN203752803U (en) | Ship type tractor | |
| CN104494716A (en) | Intelligent lifting electronic automatic balancing system for walking tractors on sloping fields | |
| CN208845451U (en) | A kind of hydraulic transmission control system of Hills tractor | |
| CN213017008U (en) | Hydraulic control system of light amphibious multifunctional working machine for constructed wetland | |
| CN209572958U (en) | A kind of chassis structure of high-clearance fog machine | |
| CN103004315A (en) | Multifunctional double-layer frame of field operation vehicle | |
| JPH0361421A (en) | Attitude control device of ground working vehicle | |
| CN110291860A (en) | A kind of remote control mountainous region crawler tractor with hillside fields landform adaptive functions | |
| CN115245092B (en) | Chassis leveling system and method of crawler-type combine harvester and combine harvester | |
| KR101976648B1 (en) | Three-point link control device of the tractor | |
| CN118489427A (en) | Leveling crawler chassis of corn harvester in hilly and mountain areas and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |