CN107466592A - Sugar-cane cutting machine active suspension system - Google Patents
Sugar-cane cutting machine active suspension system Download PDFInfo
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- CN107466592A CN107466592A CN201710747711.9A CN201710747711A CN107466592A CN 107466592 A CN107466592 A CN 107466592A CN 201710747711 A CN201710747711 A CN 201710747711A CN 107466592 A CN107466592 A CN 107466592A
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- oil cylinder
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- suspension
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/10—Harvesting of standing crops of sugar cane
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/28—Control mechanisms for harvesters or mowers when moving on slopes; Devices preventing lateral pull
- A01D75/285—Control mechanisms for harvesters or mowers when moving on slopes; Devices preventing lateral pull with arrangements for holding the harvesting or mowing apparatus in a horizontal position
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to sugar-cane cutting machine suspension system, easily to be tumbled when solving the problems, such as existing sugarcane harvesting machine operation;A kind of sugar-cane cutting machine active suspension system is provided, front axle suspension includes left and right suspension oil cylinder;The middle part for swinging balance back axle is connected by the vehicle frame of swinging axle and sugar-cane cutting machine, the left and right sides is correspondingly arranged on the car appearance being connected with vehicle frame and adjusts left oil cylinder and the right oil cylinder of car appearance adjustment, vehicle frame is provided with car appearance rear portion obliquity sensor and car appearance front portion obliquity sensor, car appearance rear portion obliquity sensor and car appearance front portion obliquity sensor are connected with controller, in left suspension oil cylinder, right suspension oil cylinder, control magnetic valve is provided with the driving oil circuit of left oil cylinder and right oil cylinder, the control terminal of each control magnetic valve is connected with the controller, the controller controls the left suspension oil cylinder according to the angle signal that car appearance rear portion obliquity sensor and car appearance front portion obliquity sensor detect, right suspension oil cylinder, left oil cylinder and right oil cylinder it is flexible.
Description
Technical field
The present invention relates to a kind of suspension system, more specifically to a kind of sugar-cane cutting machine active suspension system.
Background technology
China is cane planting big country, and for the harvesting sugarcane mode in China still mainly based on artificial, use is most former at present
The mode of beginning is cut down, shipped, and whole process labor intensity is big, efficiency is low.With the fast development of China's economy in recent years, manually
Labour cost improves constantly so that sugarcane industrial profit continuous decrease, causes cane planting to reduce year by year.Therefore, sugarcane harvesting
Mode has excessively been imperative to professed machine from manually.
At present, the trailing wheel of sugar-cane cutting machine is mounted directly the both sides at vehicle frame rear portion, and front-wheel is by McPherson suspension by front-wheel
It is connected with vehicle frame, there is suspension oil cylinder in the McPherson suspension of the left and right sides, both sides can be controlled by hydraulic control system simultaneously
Suspension oil cylinder stretches, and so as to adjust the road clearance of vehicle frame front end, realizes the terrain clearance for being arranged on the anterior cutterhead of vehicle frame.
Sugar-cane cutting machine is higher with respect to center of gravity for other running machines, wheelspan is less than normal, and during sugar-cane cutting machine work
The conveyer of afterbody is laterally put, center of gravity sidesway, particularly acclive sugarcane field harvesting, be more prone to cause to roll or
Rollover.
The content of the invention
The problem of the technical problem to be solved in the present invention is easily tumbled when being and being directed to existing sugarcane harvesting machine operation, and provide
A kind of sugar-cane cutting machine active suspension system for the tilting moment for reducing sugar-cane cutting machine.
The present invention is such to realize the technical scheme of its purpose:A kind of sugar-cane cutting machine Active suspension system is provided
System, including front axle suspension, front axle suspension include left suspension oil cylinder and right suspension oil cylinder;It is characterized in that after including swinging balance
Bridge, the middle part for swinging balance back axle are connected by the vehicle frame of swinging axle and sugar-cane cutting machine, swing the left and right of balance back axle
Both sides are correspondingly arranged on the car appearance being connected with vehicle frame and adjust left oil cylinder and the right oil cylinder of car appearance adjustment, are arranged on vehicle frame rear portion and are used to examine
The car appearance rear portion obliquity sensor at measuring car frame rear portion or so inclination angle is used to detect vehicle frame front portion lateral tilting with vehicle frame front portion is arranged on
The car appearance front portion obliquity sensor at angle, the car appearance rear portion obliquity sensor and car appearance front portion obliquity sensor connect with controller
Connect, control magnetic valve is provided with the driving oil circuit of left suspension oil cylinder, right suspension oil cylinder, left oil cylinder and right oil cylinder, each control
The control terminal of magnetic valve is connected with the controller, and the controller inclines according to car appearance rear portion obliquity sensor and car appearance front portion
The angle signal that angle transducer detects controls the left suspension oil cylinder, right suspension oil cylinder, left oil cylinder and car appearance to adjust right oil cylinder
It is flexible.
In above-mentioned sugar-cane cutting machine active suspension system, control that the left oil cylinder connects with the driving oil circuit of right oil cylinder
Magnetic valve is the first 3-position 4-way reversing solenoid valve, and the first 3-position 4-way reversing solenoid valve has A1 hydraulic fluid ports, B1 hydraulic fluid ports, P1
Hydraulic fluid port and T1 hydraulic fluid ports, the connection oil circuit where its P1 hydraulic fluid port are provided with the first check valve, set on the connection oil circuit where T1 hydraulic fluid ports
There is orifice valve, A1 hydraulic fluid ports, B1 hydraulic fluid ports are corresponding to be connected with the rodless cavity of the left oil cylinder and right oil cylinder.
In above-mentioned sugar-cane cutting machine active suspension system, the rod chamber of the left oil cylinder and left oil cylinder is each via one
Hydraulic-controlled switch valve is connected with hydraulic oil container, and the hydraulic control end of two hydraulic-controlled switch valves is corresponding to be connected with A1 hydraulic fluid ports, B1 hydraulic fluid ports.
In above-mentioned sugar-cane cutting machine active suspension system, the A1 hydraulic fluid ports and B1 of the first 3-position 4-way reversing solenoid valve
Overflow valve is respectively connected between hydraulic fluid port and hydraulic oil container.
In above-mentioned sugar-cane cutting machine active suspension system, each overflow valve is in parallel with a check valve, described unidirectional
The oil inlet end of valve turns on hydraulic oil container.
In above-mentioned sugar-cane cutting machine active suspension system, left suspension oil cylinder, right suspension oil cylinder driving oil circuit on connect
Control magnetic valve be respectively the second 3-position 4-way reversing solenoid valve and the 3rd 3-position 4-way reversing solenoid valve;
The second 3-position 4-way reversing solenoid valve has the P2 hydraulic fluid ports being connected with pressure oil-source and fuel tank loop-coupled
T2 hydraulic fluid ports, the A2 hydraulic fluid ports and B2 hydraulic fluid ports being correspondingly connected with left suspension oil cylinder rodless cavity and rod chamber, in second 3-position 4-way
Connection oil circuit where the P2 hydraulic fluid ports of reversing solenoid valve is provided with check valve;
The 3rd 3-position 4-way reversing solenoid valve has the P3 hydraulic fluid ports being connected with pressure oil-source and fuel tank loop-coupled
T3 hydraulic fluid ports, the A3 hydraulic fluid ports and B3 hydraulic fluid ports being correspondingly connected with right suspension oil cylinder rodless cavity and rod chamber, in second 3-position 4-way
Connection oil circuit where the P3 hydraulic fluid ports of reversing solenoid valve is provided with check valve.
In above-mentioned sugar-cane cutting machine active suspension system, the second 3-position 4-way reversing solenoid valve and left suspension oil cylinder
Between, a buffer unit, the buffering dress are respectively connected between the 3rd 3-position 4-way reversing solenoid valve and right suspension oil cylinder
Put has bar including two position four-way solenoid valves and accumulator, the second 3-position 4-way reversing solenoid valve with left suspension oil cylinder
Connection oil circuit between chamber is through two position four-way solenoid valves in corresponding buffer unit and hydraulic oil container on or off, and described second
Connection oil circuit between 3-position 4-way reversing solenoid valve and the rodless cavity of left suspension oil cylinder is through two four in corresponding buffer unit
Orifice valve in three-way electromagnetic valve turns on connection with accumulator or unidirectionally led to accumulator through the check valve in two position four-way solenoid valves
It is logical;
Connection oil circuit between the 3rd 3-position 4-way reversing solenoid valve and the rod chamber of right suspension oil cylinder is through corresponding slow
Two position four-way solenoid valves and hydraulic oil container on or off, the second 3-position 4-way reversing solenoid valve in flushing device hang with a left side
Connection oil circuit between the rodless cavity of frame oil cylinder is through the orifice valve in two position four-way solenoid valves in corresponding buffer unit and accumulation of energy
Device conducting connection or through the check valve in two position four-way solenoid valves to accumulator one-way conduction.
The present invention compared with prior art, can according to the posture of the anterior inclination angle adjust automatically vehicle frame with rear portion of vehicle frame,
No matter machine be the sugarcane field walking operations for having constant slope, in sugarcane field more ridge u-turn, fair speed turn to, potted road surface
Walking etc., it can maintain transverse machine horizontal automatically, greatly improve the operating efficiency of sugar-cane cutting machine, especially comfortableness and peace
Quan Xing.
Brief description of the drawings
Fig. 1 is the structural representation of the active suspension system of wheeled cane harvester of the present invention.
Fig. 2 is the structural representation of the active suspension system of crawler type sugar-cane cutting machine of the present invention.
Fig. 3 is the hydraulic schematic diagram of the active suspension system of sugar-cane cutting machine of the present invention.
Embodiment
Illustrate specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the sugar-cane cutting machine in the present embodiment can be wheeled, its active suspension system includes front axle suspension
1 is connected with swing balance back axle 10, front axle suspension 1 for McPherson suspension with the near front wheel 3 and off-front wheel 2, and it includes left suspension oil
The upper end of cylinder 6 and right suspension oil cylinder 5, left suspension oil cylinder 6 and right suspension oil cylinder 5 is connected with vehicle frame;In being fixedly arranged at the front end with for vehicle frame
Cutterhead 4.The middle part for swinging balance back axle 10 is connected by swinging axle 11 with the vehicle frame of sugar-cane cutting machine, and it is left to swing balance back axle 10
Right both ends are connected by hydraulic drive motor 15 with left rear wheel 8 and off hind wheel 9.The left and right sides for swinging balance back axle 10 is correspondingly set
It is equipped with the car appearance being connected with vehicle frame and adjusts left oil cylinder 14 and the right oil cylinder 13 of car appearance adjustment.
Sugar-cane cutting machine can also be crawler type, as shown in Fig. 2 its active suspension system includes front axle suspension 1 and swung
Balance back axle 10, front axle suspension 1 includes left suspension oil cylinder 6 and right suspension oil cylinder 5, left suspension oil cylinder 6 and right suspension oil cylinder 5 it is upper
End is connected with vehicle frame, the crawler travel frame connection of lower end and the left and right sides;Cutterhead 4 is fixedly arranged at the front end with vehicle frame.Swing balance
The middle part of back axle 10 is connected by swinging axle 11 with the vehicle frame of sugar-cane cutting machine, and it is corresponding and left to swing balance back axle 10 left and right ends
The rear end connection of right-hand track chiain walker, is provided with driving hydraulic motor on track frame, driving fluid motor-driven machine advance with
And turn to.The left and right sides for swinging balance back axle 10 is correspondingly arranged on the left oil cylinder of car appearance adjustment being connected with vehicle frame and the adjustment of car appearance
Right oil cylinder.
No matter for wheeled cane harvester or crawler type sugar-cane cutting machine, the vehicle frame of top on balance back axle is swung
On be provided with car appearance rear portion obliquity sensor 12 for detecting vehicle frame rear portion or so inclination angle, set on the vehicle frame above front axle suspension
It is equipped with the car appearance front portion obliquity sensor 7 for detecting vehicle frame front portion left and right inclination angle, car appearance rear portion obliquity sensor 12 and car appearance
Anterior obliquity sensor 7 is connected with controller, in the drive of left suspension oil cylinder 6, right suspension oil cylinder 5, left oil cylinder 14 and right oil cylinder 13
Control magnetic valve is provided with dynamic oil circuit, each control terminal for controlling magnetic valve is connected with controller, and controller is according to after car appearance
The angle signal that portion's obliquity sensor 12 and car appearance front portion obliquity sensor 7 detect controls left suspension oil cylinder 6, right suspension oil cylinder
5th, left oil cylinder 14 and right oil cylinder 13 is flexible.
As shown in figure 3, in sugar-cane cutting machine active suspension system, left oil cylinder 14 connects with the driving oil circuit of right oil cylinder 13
The magnetic valve that controls be the first 3-position 4-way reversing solenoid valve 31, the first 3-position 4-way reversing solenoid valve 31 has A1 hydraulic fluid ports, B1
Hydraulic fluid port, P1 hydraulic fluid ports and T1 hydraulic fluid ports, the connection oil circuit where its P1 hydraulic fluid port are provided with the first check valve 311, the company where T1 hydraulic fluid ports
Connect oil circuit and be provided with orifice valve 312, A1 hydraulic fluid ports, B1 hydraulic fluid ports are corresponding to be connected with the rodless cavity of left oil cylinder 14 and right oil cylinder 14.Left oil
The rod chamber of cylinder 14 is connected by left hydraulic-controlled switch valve 141 with hydraulic oil container, and the hydraulic control end of left hydraulic-controlled switch valve 141 corresponds to and A1
Hydraulic fluid port is connected, and the A1 hydraulic fluid ports of the first 3-position 4-way reversing solenoid valve 31 are connected by left overflow valve 142 with hydraulic oil container;It is and left
Check valve 143 and left overflow valve 142 be connected in parallel the first 3-position 4-way reversing solenoid valve 31 A1 hydraulic fluid ports and hydraulic oil container it
Between.The rod chamber of right oil cylinder 13 is connected by right hydraulic-controlled switch valve 131 with hydraulic oil container, the hydraulic control end of right hydraulic-controlled switch valve 131
Corresponding to be connected with B1 hydraulic fluid ports, the B1 hydraulic fluid ports of the first 3-position 4-way reversing solenoid valve 31 are connected by right overflow valve 132 and hydraulic oil container
Connect;And right check valve 133 is connected in the B1 hydraulic fluid ports and liquid of the first 3-position 4-way reversing solenoid valve 31 in parallel with right overflow valve 132
Between force feed case.
Left suspension oil cylinder 6, right suspension oil cylinder 5 driving oil circuit on the control magnetic valve that connects be respectively the second 3-position 4-way
The 3-position 4-way reversing solenoid valve 51 of reversing solenoid valve 61 and the 3rd;
Second 3-position 4-way reversing solenoid valve 61 has the P2 hydraulic fluid ports and the loop-coupled T2 of fuel tank being connected with pressure oil-source
Hydraulic fluid port, the A2 hydraulic fluid ports and B2 hydraulic fluid ports being correspondingly connected with the left rodless cavity of suspension oil cylinder 6 and rod chamber, commutated in the second 3-position 4-way electric
Connection oil circuit where the P2 hydraulic fluid ports of magnet valve 61 is provided with left check valve 66;Second 3-position 4-way reversing solenoid valve 61 and left suspension oil
Left buffer unit 65 and balanced valve 64 are connected between cylinder 6, left buffer unit 65 includes left two position four-way solenoid valves 62 and left storage
Energy device 63, the connection oil circuit between the second 3-position 4-way reversing solenoid valve 61 and the rod chamber of left suspension oil cylinder 6 fill through left buffering
Put the position four-way solenoid valve 62 of a left side two in 65 and hydraulic oil container on or off, the second 3-position 4-way reversing solenoid valve 61 hang with a left side
Connection oil circuit between the rodless cavity of frame oil cylinder is through the left orifice valve in the position four-way solenoid valve 62 of a left side two in left buffer unit 65
622 turn on connection with left accumulator or accumulator 63 is unidirectionally led to the left through the left check valve 621 in left two position four-way solenoid valves 62
It is logical;
3rd 3-position 4-way reversing solenoid valve 51 has the P3 hydraulic fluid ports and the loop-coupled T3 of fuel tank being connected with pressure oil-source
Hydraulic fluid port, the A3 hydraulic fluid ports and B3 hydraulic fluid ports being correspondingly connected with the rodless cavity and rod chamber of right suspension oil cylinder 5, commutated in the 3rd 3-position 4-way
Connection oil circuit where the P3 hydraulic fluid ports of magnetic valve 51 is provided with right check valve 56;3rd 3-position 4-way reversing solenoid valve 51 and right suspension
Right buffer unit 55 is connected between oil cylinder 5, right buffer unit 55 includes right two position four-way solenoid valves 52 and right accumulator 53, the
Connection oil circuit between the rod chamber of three 3-position 4-way reversing solenoid valves 51 and right suspension oil cylinder 5 is through the right side in right buffer unit 55
Two position four-way solenoid valves 52 and hydraulic oil container on or off, the 3rd 3-position 4-way reversing solenoid valve 51 and right suspension oil cylinder 5
Connection oil circuit between rodless cavity is through the right orifice valve 522 in the position four-way solenoid valve 52 of the right side two in right buffer unit 55 and right storage
Can the conducting of device 53 connection or through the one-way conduction of accumulator 53 to the right of the right check valve 521 in right two position four-way solenoid valves 52.The right side two
The Electromagnetic Control end of position four-way solenoid valve 52 and left two position four-way solenoid valves 62 is connected and is controlled by it with controller.
Sugar-cane cutting machine in the present invention is in the sugarcane field operation with cross fall (right high left low), its Active Suspensions
The process of system fading margin vehicle frame is as follows:Sugar-cane cutting machine is in the scope of operation of cross fall, and its propons and back axle are in right height
Left low state, swing the car on vehicle frame above the car appearance rear portion obliquity sensor and front axle suspension above balance back axle on vehicle frame
Appearance front portion obliquity sensor detects the inclination angle of vehicle frame rear portion and vehicle frame front portion respectively, and controller senses according to car appearance rear portion inclination angle
Device and the angle of car appearance front portion obliquity sensor detection, controller control the first 3-position 4-way reversing solenoid valve to be in right position, liquid
Force feed enters the nothing of left oil cylinder by P1 hydraulic fluid ports, the first check valve, the A1 hydraulic fluid ports of the first 3-position 4-way reversing solenoid valve successively
Rod cavity, the piston rod of left oil cylinder stretch out, left hydraulic-controlled switch valve conducting, and the hydraulic oil in the rod chamber of left oil cylinder is through left pilot-controlled switch
Valve flows into hydraulic oil container.Vehicle frame is promoted to be rotated around the swinging axle for swinging balance back axle, when vehicle frame is swung, vehicle frame is on the right side of it to the right side
Oil cylinder applies active force, and the piston rod of right oil cylinder reclaims in the presence of vehicle frame, rodless cavity is extruded, due to there is the work of orifice valve
With, the pressure rise of B1 hydraulic fluid ports, the pressure at the hydraulic control end of right hydraulic-controlled switch valve is also raised, right hydraulic-controlled switch valve conducting, hydraulic pressure
Oil flows to the rod chamber of right oil cylinder from hydraulic oil container, and the hydraulic oil of the rodless cavity of right oil cylinder is from the first 3-position 4-way reversing solenoid valve
Flow to fuel tank loop.
It is anterior for vehicle frame, the vehicle frame front portion inclination angle that controller detects according to car appearance front portion obliquity sensor, pass through control
Second 3-position 4-way reversing solenoid valve and the 3rd 3-position 4-way reversing solenoid valve, the left suspension oil cylinder of independent control, right suspension oil cylinder
It is flexible so that vehicle frame front end is also substantially at horizontality, increases the stability and comfortableness of machine.
Claims (7)
1. a kind of sugar-cane cutting machine active suspension system, including front axle suspension, front axle suspension includes left suspension oil cylinder and the right side hangs
Frame oil cylinder;It is characterized in that balancing back axle including swinging, the middle part for swinging balance back axle passes through swinging axle and sugarcane harvesting
The vehicle frame connection of machine, swing and the left oil cylinder of car appearance adjustment being connected with vehicle frame and car appearance are correspondingly arranged at left and right sides of balance back axle
Right oil cylinder is adjusted, vehicle frame rear portion is arranged on and is used to detect the car appearance rear portion obliquity sensor at vehicle frame rear portion or so inclination angle and is arranged on
Vehicle frame is anterior be used to detecting car appearance rear portion obliquity sensor described in the car appearance front portion obliquity sensor at vehicle frame front portion left and right inclination angle and
Car appearance front portion obliquity sensor is connected with controller, in the driving oil of left suspension oil cylinder, right suspension oil cylinder, left oil cylinder and right oil cylinder
Control magnetic valve is provided with road, each control terminal for controlling magnetic valve is connected with the controller, and the controller is according to car
The angle signal that appearance rear portion obliquity sensor and car appearance front portion obliquity sensor detect controls the left suspension oil cylinder, right suspension
Oil cylinder, left oil cylinder and right oil cylinder it is flexible.
2. sugar-cane cutting machine active suspension system according to claim 1, it is characterised in that the left oil cylinder and right oil
The magnetic valve that controls of the driving oil circuit connection of cylinder is the first 3-position 4-way reversing solenoid valve, the first 3-position 4-way commutation electromagnetism
Valve has A1 hydraulic fluid ports, B1 hydraulic fluid ports, P1 hydraulic fluid ports and T1 hydraulic fluid ports, and the connection oil circuit where its P1 hydraulic fluid port is provided with the first check valve, T1
Connection oil circuit where hydraulic fluid port is provided with orifice valve, and A1 hydraulic fluid ports, B1 hydraulic fluid ports correspond to the rodless cavity with the left oil cylinder and right oil cylinder
Connection.
3. sugar-cane cutting machine active suspension system according to claim 2, it is characterised in that the left oil cylinder and left oil
The rod chamber of cylinder is connected each via a hydraulic-controlled switch valve with hydraulic oil container, and the hydraulic control end of two hydraulic-controlled switch valves corresponds to and A1
Hydraulic fluid port, the connection of B1 hydraulic fluid ports.
4. sugar-cane cutting machine active suspension system according to claim 3, it is characterised in that first 3-position 4-way
Overflow valve is respectively connected between the A1 hydraulic fluid ports and B1 hydraulic fluid ports and hydraulic oil container of reversing solenoid valve.
5. sugar-cane cutting machine active suspension system according to claim 4, it is characterised in that each overflow valve and one
Individual check valve is in parallel, and the oil inlet end of the check valve turns on hydraulic oil container.
6. sugar-cane cutting machine active suspension system according to any one of claim 1 to 4, it is characterised in that left suspension
Oil cylinder, right suspension oil cylinder driving oil circuit on the control magnetic valve that connects be respectively the second 3-position 4-way reversing solenoid valve and the 3rd
3-position 4-way reversing solenoid valve;
The second 3-position 4-way reversing solenoid valve has the P2 hydraulic fluid ports being connected with pressure oil-source and the loop-coupled T2 oil of fuel tank
Mouth, the A2 hydraulic fluid ports and B2 hydraulic fluid ports being correspondingly connected with left suspension oil cylinder rodless cavity and rod chamber, commutate in second 3-position 4-way
Connection oil circuit where the P2 hydraulic fluid ports of magnetic valve is provided with check valve;
The 3rd 3-position 4-way reversing solenoid valve has the P3 hydraulic fluid ports being connected with pressure oil-source and the loop-coupled T3 oil of fuel tank
Mouth, the A3 hydraulic fluid ports and B3 hydraulic fluid ports being correspondingly connected with right suspension oil cylinder rodless cavity and rod chamber, commutate in second 3-position 4-way
Connection oil circuit where the P3 hydraulic fluid ports of magnetic valve is provided with check valve.
7. sugar-cane cutting machine active suspension system according to claim 6, it is characterised in that second 3-position 4-way
One is respectively connected between reversing solenoid valve and left suspension oil cylinder, between the 3rd 3-position 4-way reversing solenoid valve and right suspension oil cylinder
Individual buffer unit, the buffer unit include two position four-way solenoid valves and accumulator, the second 3-position 4-way commutation electricity
Connection oil circuit between magnet valve and the rod chamber of left suspension oil cylinder is through two position four-way solenoid valves and hydraulic pressure in corresponding buffer unit
Connection oil circuit warp between the rodless cavity of fuel tank on or off, the second 3-position 4-way reversing solenoid valve and left suspension oil cylinder
The orifice valve in two position four-way solenoid valves in corresponding buffer unit turns on connection with accumulator or through in two position four-way solenoid valves
Check valve to accumulator one-way conduction;
Connection oil circuit between the 3rd 3-position 4-way reversing solenoid valve and the rod chamber of right suspension oil cylinder fills through corresponding buffering
Two position four-way solenoid valves and hydraulic oil container on or off in putting, the second 3-position 4-way reversing solenoid valve and left suspension oil
Connection oil circuit between the rodless cavity of cylinder is led through the orifice valve in two position four-way solenoid valves in corresponding buffer unit with accumulator
Lead to and connect or through the check valve in two position four-way solenoid valves to accumulator one-way conduction.
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CN201710747711.9A CN107466592A (en) | 2017-08-28 | 2017-08-28 | Sugar-cane cutting machine active suspension system |
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CN201710747711.9A CN107466592A (en) | 2017-08-28 | 2017-08-28 | Sugar-cane cutting machine active suspension system |
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CN108142092A (en) * | 2017-12-20 | 2018-06-12 | 广西柳工农业机械股份有限公司 | Centering guide automatic angle-adjusting device and method |
CN108468678A (en) * | 2018-05-21 | 2018-08-31 | 岭南师范学院 | A kind of hydraulic control system of agricultural machinery vehicle body self-balancing |
CN115152421A (en) * | 2022-08-26 | 2022-10-11 | 山东理工大学 | Automatic posture adjusting system and method for small-sized corn harvester in hilly and mountainous areas |
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CN203492401U (en) * | 2013-09-17 | 2014-03-26 | 现代农装科技股份有限公司 | Harvester chassis comprising leveling mechanism and harvester comprising harvester chassis |
CN205168668U (en) * | 2015-12-08 | 2016-04-20 | 济南大学 | Novel formula corn harvester chassis of preventing turning on one's side |
CN107046935A (en) * | 2017-04-27 | 2017-08-18 | 广西柳工机械股份有限公司 | The steering mechanism of wheeled cane harvester |
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JP2007238056A (en) * | 2006-03-13 | 2007-09-20 | Kubota Corp | Attitude controller of working vehicle |
CN102059929A (en) * | 2010-12-20 | 2011-05-18 | 三一汽车起重机械有限公司 | Hydro-pneumatic suspension system and wheeled vehicle with same |
CN203492401U (en) * | 2013-09-17 | 2014-03-26 | 现代农装科技股份有限公司 | Harvester chassis comprising leveling mechanism and harvester comprising harvester chassis |
CN205168668U (en) * | 2015-12-08 | 2016-04-20 | 济南大学 | Novel formula corn harvester chassis of preventing turning on one's side |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108142092A (en) * | 2017-12-20 | 2018-06-12 | 广西柳工农业机械股份有限公司 | Centering guide automatic angle-adjusting device and method |
CN108468678A (en) * | 2018-05-21 | 2018-08-31 | 岭南师范学院 | A kind of hydraulic control system of agricultural machinery vehicle body self-balancing |
CN115152421A (en) * | 2022-08-26 | 2022-10-11 | 山东理工大学 | Automatic posture adjusting system and method for small-sized corn harvester in hilly and mountainous areas |
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