CN107795534B - Hydraulic control system of longitudinal axial flow combine harvester - Google Patents
Hydraulic control system of longitudinal axial flow combine harvester Download PDFInfo
- Publication number
- CN107795534B CN107795534B CN201711217748.7A CN201711217748A CN107795534B CN 107795534 B CN107795534 B CN 107795534B CN 201711217748 A CN201711217748 A CN 201711217748A CN 107795534 B CN107795534 B CN 107795534B
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- China
- Prior art keywords
- oil
- hydraulic
- steering
- reel
- control
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- 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.)
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- 239000003921 oil Substances 0.000 claims abstract description 118
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 37
- 239000012208 gear oil Substances 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
- Guiding Agricultural Machines (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The invention discloses a hydraulic control system of a longitudinal axial flow combine harvester, which comprises a hydraulic assembly, a steering lifting control assembly, a reel control assembly and a brake pedal assembly, wherein the hydraulic assembly comprises a hydraulic oil tank, a first oil outlet pipe of the hydraulic oil tank is connected with a gear oil pump in a matched mode, an oil pump joint of the gear oil pump is connected with a duplex valve in a matched mode, the duplex valve is connected with a steering valve in parallel, the first oil outlet pipe of the steering valve is connected with a steering oil cylinder in a matched mode, the steering oil cylinder is connected with a gearbox in a matched mode, the gearbox is connected with an oil motor in a matched mode, an oil inlet of the oil motor is connected with a second oil outlet pipe of the hydraulic oil tank in a matched mode, and a second oil outlet pipe of the steering valve is connected with a cutting table control oil cylinder in a matched mode. Compared with the prior art, the invention has the advantages of simple oil way, easy maintenance, high oil return speed and more convenient operation and control by only arranging two valves of the duplex valve and the steering valve.
Description
Technical Field
The invention belongs to the technical field of longitudinal axial flow combine harvesters, and particularly relates to a hydraulic control system of a longitudinal axial flow combine harvester.
Background
Modern combine harvesters have widely adopted hydraulic systems for compact construction, labor-saving and flexible handling, and for ease of remote control. The hydraulic system of the large-logarithmic combine harvester consists of an oil tank, an oil pump, a hydraulic valve, an oil cylinder, an oil pipe, a joint and the like. The oil pump is used for converting mechanical energy into hydraulic energy and is an active element of the system. The oil cylinder is used for converting hydraulic energy into mechanical energy and is a passive executing element. The hydraulic oil is a working medium, and the other is an auxiliary element.
The existing hydraulic system has the defects of complex connecting oil way, poor stability and the like, and is disclosed in Chinese patent (application number CN 201610772984.4); the utility model discloses a hydraulic system of harvester, this hydraulic system includes control oil pump and oil tank, the oil-out of control oil pump links to each other with the main oil circuit, be provided with the shunt valve on the main oil circuit, the shunt valve divide into control oil circuit I and control oil circuit II with the oil circuit, control oil circuit I is gone up to be established ties and is had the electromagnetic reversing valve first that is used for controlling the barrel motor and be used for controlling steering cylinder's steering manual reversing valve, control oil circuit II is gone up to be established ties and is used for controlling header cylinder's header manual reversing valve, be used for controlling reel cylinder's electromagnetic reversing valve second and be used for controlling unloading the electromagnetic reversing valve third of grain jar, this hydraulic system of harvester has realized the combination of automatically controlled and mechanical control, the operation is simpler. The hydraulic system of this harvester is not suitable for a longitudinal axial flow combine harvester and has the following problems: 1. the oil return pipeline is single, so that the oil return speed is low; 2. excessive valves, complex oil paths and inconvenient control.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides a technical scheme of a hydraulic control system of a longitudinal axial flow combine harvester.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized by comprising a hydraulic assembly, a steering lifting control assembly, a reel control assembly and a brake pedal assembly, wherein the hydraulic assembly comprises a hydraulic oil tank, a first oil outlet pipe of the hydraulic oil tank is connected with a gear oil pump in a matched mode, an oil pump joint of the gear oil pump is connected with a double-connected valve in a matched mode, the double-connected valve is connected with a steering valve in parallel, a second oil outlet pipe of the double-connected valve is connected with a reel main hydraulic oil pipe in a matched mode, a first oil outlet pipe of the steering valve is connected with a steering oil cylinder in a matched mode, the steering oil cylinder is connected with a gearbox in a matched mode, an oil inlet of an oil motor of the oil motor is connected with a second oil outlet pipe of the hydraulic oil tank in a matched mode, and a second oil outlet pipe of the steering valve is connected with a cutting table control oil cylinder in a matched mode; the steering lifting operation assembly comprises an operation rod, a cutting table lifting pull rod, an operation bracket, an operation rod fixing frame and a steering pull rod, and the cutting table lifting pull rod and the steering pull rod are respectively connected with the steering valve in a matching way; the reel control assembly comprises a reel swing rod, a reel lifting hydraulic pull rod and a reel swing rod rotating shaft, and the reel lifting hydraulic pull rod is connected with the duplex valve in a matched manner; the brake pedal assembly comprises a brake control plate, a brake pedal, a brake pull wire and a left steering pull rod and a right steering pull rod, and the brake pull wire is connected with the steering cylinder in a matched mode.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that a first oil return pipe is arranged between the duplex valve and the hydraulic oil tank, a second oil return pipe is arranged between the steering valve and the hydraulic oil tank, and a third oil return pipe is arranged between the oil motor and the hydraulic oil tank.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that a hydraulic oil radiator is connected between the hydraulic oil tank and the oil motor.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that a reel main hydraulic oil pipe is respectively connected with a reel long hydraulic hard pipe and a reel short hydraulic hard pipe in a matched mode, the reel long hydraulic hard pipe is connected with a first reel oil cylinder in a matched mode, and the reel short hydraulic hard pipe is connected with a second reel oil cylinder in a matched mode.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that a control rod handle is fixedly arranged at the upper end of a control rod, a control rod circular tube structure is arranged at the lower end of the control rod, the control rod circular tube structure is sleeved on a positioning shaft of a control support, the control support is of a tubular structure and is inserted on a control rod fixing frame, the control rod fixing frame is fixedly connected to a control table, the control support is hinged with a steering pull rod through a first adjusting clamp, a control rod connecting part perpendicular to the control rod is arranged at the lower end of the control rod, the control rod connecting part is hinged with a cutting table lifting pull rod through a second adjusting clamp, and the steering pull rod and the cutting table lifting pull rod are both connected with a steering valve in a matching manner.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that the lower end of a reel swing rod is arranged into a reel swing rod tubular structure, a reel swing rod rotating shaft is inserted into the reel swing rod tubular structure and is rotationally connected with a control console through the reel swing rod rotating shaft, gaskets and cotters are arranged at two ends of the reel swing rod rotating shaft, a reel swing rod connecting part is further arranged at the lower end of the reel swing rod, and the reel swing rod connecting part is hinged with the reel lifting hydraulic pull rod through a third adjusting clamp.
The hydraulic control system of the longitudinal axial flow combine harvester is characterized in that a brake pedal is rotatably connected to a control console underframe, the brake pedal is provided with a brake pedal connecting part which is connected with a brake stay wire in a matched mode, and the brake stay wire is connected with a left steering pull rod, a right steering pull rod and a steering cylinder in a matched mode.
Compared with the prior art, the invention has the advantages of simple oil way, easy maintenance and high oil return speed, and is more convenient and simple to operate and control by only arranging two valves of the duplex valve and the steering valve.
Drawings
FIG. 1 is a schematic view of a hydraulic assembly according to the present invention;
FIG. 2 is a schematic view of a steering lift steering assembly according to the present invention;
FIG. 3 is a schematic view of a reel handling assembly according to the present invention;
FIG. 4 is a schematic view of a brake pedal assembly according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1-4, a hydraulic steering system for a longitudinal axial flow combine harvester includes a hydraulic assembly, a steering lift steering assembly, a reel steering assembly, and a brake pedal assembly. The hydraulic assembly comprises a hydraulic oil tank 1, a first oil outlet pipe 100 of the hydraulic oil tank 1 is matched and connected with a gear oil pump 2, an oil pump joint 200 of the gear oil pump 2 is matched and connected with a double valve 3, the double valve 3 is connected with a steering valve 4 in parallel, and specifically, a first oil outlet pipe 300 of the double valve 3 is matched and connected with a steering valve big valve oil inlet pipe 400 of the steering valve 4. The second oil outlet pipe 301 of the duplex valve 3 is matched and connected with the reel main hydraulic oil pipe 5, the reel main hydraulic oil pipe 5 is respectively matched and connected with the reel long hydraulic hard pipe 27 and the reel short hydraulic hard pipe 28, the reel long hydraulic hard pipe 27 is matched and connected with the first reel oil cylinder 29, and the reel short hydraulic hard pipe 28 is matched and connected with the second reel oil cylinder 30. The first oil outlet pipe 401 of the steering valve 4 is connected with the steering oil cylinder 6 in a matched mode, the steering oil cylinder 6 is connected with the gearbox 7 in a matched mode, the gearbox 7 is connected with the oil motor 8 in a matched mode, and the oil motor inlet 800 of the oil motor 8 is connected with the second oil outlet pipe 101 of the hydraulic oil tank 1 in a matched mode. The second oil outlet pipe 402 of the steering valve 4 is connected with the header operating oil cylinder 9 in a matching way.
In the hydraulic assembly, a first oil return pipe 23 is arranged between the duplex valve 3 and the hydraulic oil tank 1, a second oil return pipe 24 is arranged between the steering valve 4 and the hydraulic oil tank 1, a third oil return pipe 25 is arranged between the oil motor 8 and the hydraulic oil tank 1, and a hydraulic oil radiator 26 is further connected between the hydraulic oil tank 1 and the oil motor 8 for accelerating hydraulic oil cooling.
The steering lifting operation assembly comprises an operation rod 10, a cutting table lifting pull rod 11, an operation support 12, an operation rod fixing frame 13 and a steering pull rod 14, and the cutting table lifting pull rod 11 and the steering pull rod 14 are connected with the steering valve 4 in a matched mode. Specific: the upper end of the control lever 10 is fixedly provided with a control lever handle 31, the lower end of the control lever 10 is provided with a control lever circular tube structure, the control lever circular tube structure is sleeved on a positioning shaft 1200 of the control bracket 12, the control bracket 12 is of a tubular structure and is inserted on the control lever fixing bracket 13, the control lever fixing bracket 13 is fixedly connected to a control console 37, and the control bracket 12 is hinged with the steering pull rod 14 through a first adjusting clamp 32; the lower end of the operating lever 10 is provided with an operating lever connecting part 1000 perpendicular to the operating lever 10, and the operating lever connecting part 1000 is hinged with the header lifting pull rod 11 through a second adjusting clamp 33.
The reel control assembly comprises a reel swing rod 15, a reel lifting hydraulic pull rod 16 and a reel swing rod rotating shaft 17, and the reel lifting hydraulic pull rod 16 is connected with the duplex valve 3 in a matched mode. Specific: the lower end of the reel swing rod 15 is arranged into a reel swing rod tubular structure, a reel swing rod rotating shaft 17 is inserted into the reel swing rod tubular structure, the reel swing rod rotating shaft 17 is rotatably connected with an operating table 37, two ends of the reel swing rod rotating shaft 17 are provided with gaskets and cotter pins, the reel swing rod 15 is limited, the lower end of the reel swing rod 15 is also provided with a reel swing rod connecting part 1500, and the reel swing rod connecting part 1500 is hinged with the reel lifting hydraulic pull rod 16 through a third adjusting clamp 34.
The brake pedal assembly comprises a brake control plate, a brake pedal 19, a brake stay 20 and left and right steering tie rods 21, wherein the left and right steering tie rods 21 are connected with the gearbox 7 in a matched mode. Specific: the brake pedal 19 is rotatably connected to the chassis of the console 37, the brake pedal 19 has a brake pedal connection portion 1900, and is cooperatively connected with the brake cable 20, the brake cable 20 is cooperatively connected with the left and right steering levers 21 and the steering cylinder 6, the left and right steering levers 21 are disposed on a steering lever mounting assembly, the left and right steering levers 21 are cooperatively connected with the left and right steering heads 35, the left and right steering levers 21, the left and right steering heads 35 and the steering lever mounting assembly are disposed in the steering cylinder 6, and in fig. 4, the steering cylinder 6 is not shown. The tie rod mounting assembly includes a tie rod mounting plate 22 and two tie rod side mounting plates 36, and two tie rod mounting plate fixing posts 2200 are provided on the tie rod mounting plate 22, which are engaged with the left and right tie rods 21.
Working principle: hydraulic oil in the hydraulic oil tank 1 is sent into a duplex valve 3 and a steering valve 4 through a gear oil pump 2, the duplex valve 3 controls oil paths for supplying oil to a first reel oil cylinder 29 and a second reel oil cylinder 30, and the steering valve 4 controls oil paths for supplying oil to a steering oil cylinder 6 and a header operating oil cylinder 9; when the steering and the cutting table are operated to lift, the steering rod 14 drives the steering valve 4 to work by pulling the control rod 10 left and right, the steering valve 4 controls hydraulic oil to flow to the steering oil cylinder 6 to finish steering, the cutting table lifting rod 11 drives the steering valve 4 to work by pulling the control rod 10 back and forth, and the steering valve 4 controls hydraulic oil to flow to the cutting table operating oil cylinder 9; when the reel is operated, the reel swing rod 15 is pulled to enable the reel lifting hydraulic pull rod 16 to drive the duplex valve 3 to work, the duplex valve 3 controls hydraulic oil to flow to the first reel oil cylinder 29 and the second reel oil cylinder 30, and the first reel oil cylinder 29 and the second reel oil cylinder 30 respectively control the reel to move up and down and back and forth, so that the reel is completed;
when the vehicle is braked, the brake stay 20 is driven by stepping on the brake pedal 19, the brake stay 20 controls the steering oil cylinder 6, the steering oil cylinder 6 supplies oil to the gearbox 7 through two oil supply holes and controls the oil supply amount of the gearbox 7, the two oil supply holes correspond to two tracks, at the moment, the steering oil cylinder 6 stops supplying oil to the gearbox 7 through the two oil supply holes, and the gearbox 7 and the tracks driven by the oil motor 8 which are connected in a matched manner stop advancing; when steering, the brake pedal 19 is firstly stepped on to drive the brake stay 20, at this time, one of the left and right steering tie rods 21, for example, the left steering tie rod is turned, then the left steering tie rod acts on the brake stay 20, the brake stay 20 is in the prior art, the subtle action of the brake stay 20 directly influences the work of the steering cylinder 6, the steering cylinder 6 is controlled by the brake stay 20 acted by the left steering tie rod to only feed oil Kong Gongyou corresponding to the left steering tie rod, so that the gearbox 7 and an oil motor 8 cooperatively connected with the gearbox control one side of the crawler belt to advance, and the crawler belt at the other side of the crawler belt to stop advancing, thereby realizing steering, and the steering direction is controlled by the left and right steering tie rods 21.
Compared with the prior art, the invention has the advantages of simple oil way, easy maintenance and high oil return speed, and is more convenient and simple to operate and control by only arranging two valves of the duplex valve and the steering valve.
Claims (7)
1. The hydraulic control system of the longitudinal axial flow combine harvester is characterized by comprising a hydraulic assembly, a steering lifting control assembly, a reel control assembly and a brake pedal assembly, wherein the hydraulic assembly comprises a hydraulic oil tank (1), a first oil outlet pipe (100) of the hydraulic oil tank (1) is matched and connected with a gear oil pump (2), an oil pump joint (200) of the gear oil pump (2) is matched and connected with a duplex valve (3), the duplex valve (3) is connected with a steering valve (4) in parallel, a second oil outlet pipe (301) of the duplex valve (3) is matched and connected with a reel main hydraulic oil pipe (5), a first oil outlet pipe (401) of the steering valve (4) is matched and connected with a steering oil cylinder (6), the steering oil cylinder (6) is matched and connected with a gearbox (7), the gearbox (7) is matched and connected with an oil motor (8), an oil inlet (800) of the oil motor (8) is matched and connected with a second oil outlet pipe (101) of the hydraulic oil tank (1), and the second oil outlet pipe (402) of the steering valve (4) is matched and connected with a steering table (9); the steering lifting operation assembly comprises an operation rod (10), a header lifting pull rod (11), an operation support (12), an operation rod fixing frame (13) and a steering pull rod (14), wherein the header lifting pull rod (11) and the steering pull rod (14) are respectively connected with the steering valve (4) in a matching way; the reel control assembly comprises a reel swing rod (15), a reel lifting hydraulic pull rod (16) and a reel swing rod rotating shaft (17), and the reel lifting hydraulic pull rod (16) is connected with the duplex valve (3) in a matched mode; the brake pedal assembly comprises a brake control plate, a brake pedal (19), a brake stay wire (20) and a left steering pull rod and right steering pull rod (21), and the brake stay wire (20) is connected with the steering cylinder (6) in a matched mode.
2. Hydraulic control system of a longitudinal axial flow combine according to claim 1, characterized in that a first return line (23) is arranged between the double valve (3) and the hydraulic tank (1), a second return line (24) is arranged between the steering valve (4) and the hydraulic tank (1), and a third return line (25) is arranged between the oil motor (8) and the hydraulic tank (1).
3. Hydraulic control system of a longitudinal axial flow combine harvester according to claim 1, characterized in that a hydraulic oil radiator (26) is arranged in connection between the hydraulic oil tank (1) and the oil motor (8).
4. A hydraulic control system of a longitudinal axial flow combine harvester according to claim 1, characterized in that the reel main hydraulic oil pipe (5) is respectively connected with a reel long hydraulic hard pipe (27) and a reel short hydraulic hard pipe (28) in a matching way, the reel long hydraulic hard pipe (27) is connected with a first reel oil cylinder (29) in a matching way, and the reel short hydraulic hard pipe (28) is connected with a second reel oil cylinder (30) in a matching way.
5. The hydraulic control system of the longitudinal axial flow combine harvester according to claim 1, characterized in that a control lever handle (31) is fixedly arranged at the upper end of the control lever (10), a control lever circular tube structure is arranged at the lower end of the control lever (10), the control lever circular tube structure is sleeved on a positioning shaft (1200) of the control bracket (12), the control bracket (12) is of a tubular structure and is inserted on the control lever fixing bracket (13), the control lever fixing bracket (13) is fixedly connected on a control table (37), the control bracket (12) is hinged with the steering pull rod (14) through a first adjusting clamp (32), a control lever connecting part (1000) perpendicular to the control lever (10) is arranged at the lower end of the control lever (10), the control lever connecting part (1000) is hinged with the cutting table lifting pull rod (11) through a second adjusting clamp (33), and the steering pull rod (14) is matched and connected with the cutting table lifting pull rod (11) and the steering valve (4).
6. The hydraulic control system of the longitudinal axial flow combine harvester according to claim 1, wherein the lower end of the reel swing rod (15) is provided with a reel swing rod tubular structure, a reel swing rod rotating shaft (17) is inserted in the reel swing rod tubular structure and is rotationally connected with the control console (37) through the reel swing rod rotating shaft (17), gaskets and cotter pins are arranged at two ends of the reel swing rod rotating shaft (17), a reel swing rod connecting part (1500) is further arranged at the lower end of the reel swing rod (15), and the reel swing rod connecting part (1500) is hinged with the reel lifting hydraulic pull rod (16) through a third adjusting clamp (34).
7. A hydraulic operating system of a longitudinal axial flow combine harvester according to claim 1, characterized in that the brake pedal (19) is rotatably connected to the underframe of the operating platform (37), the brake pedal (19) is provided with a brake pedal connecting part (1900) which is matched and connected with the brake stay (20), and the brake stay (20) is matched and connected with the left and right steering pull rods (21) and the steering cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217748.7A CN107795534B (en) | 2017-11-28 | 2017-11-28 | Hydraulic control system of longitudinal axial flow combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217748.7A CN107795534B (en) | 2017-11-28 | 2017-11-28 | Hydraulic control system of longitudinal axial flow combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107795534A CN107795534A (en) | 2018-03-13 |
| CN107795534B true CN107795534B (en) | 2023-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711217748.7A Active CN107795534B (en) | 2017-11-28 | 2017-11-28 | Hydraulic control system of longitudinal axial flow combine harvester |
Country Status (1)
| Country | Link |
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| CN (1) | CN107795534B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110313306A (en) * | 2019-08-05 | 2019-10-11 | 洛阳福格森机械装备有限公司 | A kind of maize harvesting machine hydraulic assembly control device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678644A (en) * | 2012-05-10 | 2012-09-19 | 湖州生力液压有限公司 | Combined hydraulic valve for harvesting machine |
| CN203027745U (en) * | 2013-01-27 | 2013-07-03 | 兴化市利源农业装备制造有限公司 | Hydraulic gear of efficient combine-harvester |
| CN204127039U (en) * | 2014-09-16 | 2015-01-28 | 柳州五菱柳机动力有限公司 | Combining machine hydraulic system data monitoring platform |
| CN205389475U (en) * | 2016-03-01 | 2016-07-27 | 四川刚毅科技集团有限公司 | An all -hydraulic rod -type control system |
| CN205793979U (en) * | 2016-06-23 | 2016-12-14 | 江西赣发机械制造有限公司 | A kind of have turn to and a lever operation hydraulic means of enhanced feature |
| JP2017052457A (en) * | 2015-09-11 | 2017-03-16 | 三菱マヒンドラ農機株式会社 | Work vehicle |
| CN206323791U (en) * | 2016-12-23 | 2017-07-14 | 江苏沃得农业机械有限公司 | Harvester header and winder hydraulic integrated control system |
| CN207539106U (en) * | 2017-11-28 | 2018-06-26 | 中联重机浙江有限公司 | A kind of hydraulic control system of longitudinal axial flow combine harvester |
-
2017
- 2017-11-28 CN CN201711217748.7A patent/CN107795534B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678644A (en) * | 2012-05-10 | 2012-09-19 | 湖州生力液压有限公司 | Combined hydraulic valve for harvesting machine |
| CN203027745U (en) * | 2013-01-27 | 2013-07-03 | 兴化市利源农业装备制造有限公司 | Hydraulic gear of efficient combine-harvester |
| CN204127039U (en) * | 2014-09-16 | 2015-01-28 | 柳州五菱柳机动力有限公司 | Combining machine hydraulic system data monitoring platform |
| JP2017052457A (en) * | 2015-09-11 | 2017-03-16 | 三菱マヒンドラ農機株式会社 | Work vehicle |
| CN205389475U (en) * | 2016-03-01 | 2016-07-27 | 四川刚毅科技集团有限公司 | An all -hydraulic rod -type control system |
| CN205793979U (en) * | 2016-06-23 | 2016-12-14 | 江西赣发机械制造有限公司 | A kind of have turn to and a lever operation hydraulic means of enhanced feature |
| CN206323791U (en) * | 2016-12-23 | 2017-07-14 | 江苏沃得农业机械有限公司 | Harvester header and winder hydraulic integrated control system |
| CN207539106U (en) * | 2017-11-28 | 2018-06-26 | 中联重机浙江有限公司 | A kind of hydraulic control system of longitudinal axial flow combine harvester |
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| CN107795534A (en) | 2018-03-13 |
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