CN106704279A - Hydraulic control system and main control valve thereof for seedling transplanter - Google Patents
Hydraulic control system and main control valve thereof for seedling transplanter Download PDFInfo
- Publication number
- CN106704279A CN106704279A CN201510776985.1A CN201510776985A CN106704279A CN 106704279 A CN106704279 A CN 106704279A CN 201510776985 A CN201510776985 A CN 201510776985A CN 106704279 A CN106704279 A CN 106704279A
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- valve
- way
- control valve
- piston cylinder
- way valve
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Classifications
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- 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
-
- 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
-
- 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
- F15B13/025—Pressure reducing valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transplanting Machines (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The invention relates to a hydraulic control system and a main control valve thereof for a seedling transplanter, and belongs to the technical field of hydraulic transmission and transplanters. The hydraulic control system and the main control valve thereof for the seedling transplanter can enable the seedling transplanter to have the adjusting capacity to adapt to operation terrains and landforms to a certain extent, and further have the function of artificially regulating and controlling the transplanting depth of seedlings according to the requirement of transplantation agriculture. The main control valve for the seedling transplanter can adopt a four-in-one integrated structure and a six-in-one split structure; and a three-position four-way valve I and a three-position four-way valve II can be respectively and independently applied in particular cases. The hydraulic control system and the main control valve thereof for the seedling transplanter have the beneficial effects that the number of parts of the hydraulic control system for the seedling transplanter is smaller, connecting pipelines are simpler, and the maintenance is more convenient; and the manufacturing difficulty and the casting defect rate of a main control valve body are lower, the structure is more compact, the assembly is more flexible and easier, the forms are more diversified, and the cost is lower; and the functions and adaptability are greatly enhanced.
Description
Technical field
The present invention relates to a kind of seeding transplant machine hydraulic control system and its main control valve, more particularly to nonirrigated farmland seedling transplanting
Machine, belongs to hydraulic drive and tree-remover technical field.
Background technology
Nursery implantation technique is removed can be made full use of the sunlight-heat reaources in nursery place, avoid seedling stage drought from freezing nature calamity
It is also comprehensive with shift to an earlier date plant growth with the compensating action to weather outside evil, the multiple crop index of raising crops
Benefit is closed, is one of important means that China will ensure agricultural product supply security future.In recent years, with China's agriculture
The continuous improvement of industry production technology, transplants the continuous expansion for continuing to increase and transplanting area of crop specie, drought
Ground seeding transplant machine starts progressively to step into the visual field at vast agricultural planting family, in becoming the transplanting production operation of nonirrigated farmland seedling
Very important mechanization equipment.However, on current Farm Machinery Market, the pitch of seeding transplant machine, left and right are flat
Weighing apparatus hydraulic control system and its main control valve generally existing structure is unreasonable, spare and accessory parts quantity is more, connecting pipeline
It is complex, assemble the single, less stable of installation, maintaining inconvenience, processing and manufacturing is difficult, be produced into
The shortcomings of this is higher, the scope of application is narrower.When hillside, small plot operation, due to can not according to landform,
Looks and ridge High variation make corresponding regulation, thus can not meet crops transplanting spacing in the rows, line-spacing and depth substantially
It is required that, the vast Planting household to knob brings inconvenience.Therefore, optimization seeding transplant machine hydraulic control system
The overall structure of system and its main control valve, the kind and quantity that reduce its spare and accessory parts, simplified its connecting pipeline, improvement
It assembles Installation Flexibility, strengthens its stability, more facilitate its maintaining, reduce its manufacture assembly difficulty
And cost, to expand its scope of application extremely urgent.The present invention will be that hills or even plains region are realized such as
The mechanization transplanting of the crops such as vegetables, flowers, tobacco, beet, cotton, corn, rape lays good
Material base, and transplant quality, raising rural labor life to mitigating transplanting operation labor intensity, improving crops
Benefit is produced to have important practical significance.
The content of the invention
It is contemplated that the overall structure of optimization seeding transplant machine hydraulic control system and its main control valve, reducing it and zero matching somebody with somebody
The kind and quantity of part, simplify its connecting pipeline, improve it and assemble Installation Flexibility, strengthen its stability, side
Just its maintaining, reduce its manufacture assembly difficulty and cost, expand its scope of application, be hills, Nai Zhiping
Realize the mechanization of the crops such as vegetables, flowers, tobacco, beet, cotton, corn, rape in original area
Good material base is laid in transplanting, and to mitigate transplanting operation labor intensity, improve crops transplant quality,
Rural labor productivity effect is improved to have important practical significance.
Technical scheme：Including fuel tank 1, oil filter 2, oil pump 3, synchronous velocity control valve 4 overflows
Stream valve I 5, three-position four-way valve I 6, one-way hydraulic lock 7, piston cylinder I 8, load I 9, load II 10 is living
Plug cylinder II 11, three-position four-way valve II 12, overflow valve II 13.Synchronous velocity control valve 4, three-position four-way valve I 6,
Three-position four-way valve II 12, the valve body that overflow valve I (5), overflow valve II (13) constitute main control valve can be four
Unification monolithic construction, it would however also be possible to employ the split-type structural of the six directions one.The valve body of four-in-one monoblock type main control valve by
Master control bonnet 14, master control valve body 15,3-position 4-way bonnet I 16,3-position 4-way bonnet II 17 is constituted；And six
Unify the valve body of split type main control valve then by master control bonnet 14,3-position 4-way valve body I 15.1, synchronous velocity control
Valve body 15.2,3-position 4-way valve body II 15.3,3-position 4-way bonnet I 16,3-position 4-way bonnet II 17 is constituted.
In the case of separating rate synchronous control valve 4, three-position four-way valve I 6 and three-position four-way valve II 12 can be each only
Vertical to use, master control bonnet 14 is broken down into II 14.2 two parts of bonnet I 14.1 and bonnet accordingly.Three four
Port valve lid I 16 and 3-position 4-way bonnet II 17 can set and install in level, vertical or any appropriate direction.
Three-position four-way valve I 6 and three-position four-way valve II 12 can manually or automatically control operation, two kinds of operator schemes can be without barrier
Hinder mutually switching.Possesses the one-way hydraulic lock 7 of specific one-way throttle function by an one-way throttle valve and a liquid
Control check valve is in series, can anti-locking system there is impact and damage, and in piston cylinder I 8 and piston cylinder II 11
Inlet and outlet of fuel channel on match.
Operation principle：The hydraulic oil that the oil pump 3 of acquisition power will flow through oil filter 2 is pressurized to PTDelivering to has
The synchronous velocity control valve 4 of pressure negative-feedback function, manually manipulates three-position four-way valve I 6 and 3-position 4-way
Valve II 12, realizes that hillside adaptability and seedling transplant the initialization of depth.It is specific in normal transplanting operation process
Sensor Real-time Collection landform, the change high of landforms and ridge, and make three-position four-way valve I 6 and three-position four-way valve
II 12 follow action in real time, in load pressure PⅠAnd PⅡFeedback control under, synchronous velocity control valve 4 is pressed
Special ratios simultaneously to piston cylinder I 8 and the fuel feeding of piston cylinder II 11, in synchronous velocity control valve 4 and piston cylinder
I 8, under the coordinated of piston cylinder II 11, pitch, the left-right balance adjustment of seeding transplant machine are realized, is protected
Its Automatic adjusument to operation landform, landforms and ridge High variation is demonstrate,proved, synchronous velocity control valve 4 under extreme case
Piston cylinder I 8 or the fuel feeding of piston cylinder II 11 can be independently given, finally ensures that transplanted seedling meets its agronomy
It is required that.Transplanting operation often runs into special circumstances, when the operating pressure of piston cylinder I 8 and piston cylinder II 11 is high
When pressure is set, overflow valve I 5 and overflow valve II 13 automatically open up overflow, it is ensured that whole system is safe and reliable
Work；Load I 9 and provide power by oil pump 3 with the lifting of load II 10；The decline for loading I 9 be
Possess under the control of one-way hydraulic lock 7 of specific one-way throttle function, providing power by oil pump 3 realizes；And load
II 10 decline is completed under the moment loading that its gravity or gravity are formed, to prevent whole system from sending out
Raw impact and damage.Three-position four-way valve I 6 and three-position four-way valve II 12 are in good time respectively according to respective function
Piston cylinder I 8 and piston cylinder II 11 provide the work fluid of pressure and flow needed for having, load I 9 and load
II 10 by respective requirement work；
Brief description of the drawings
Fig. 1 is seeding transplant machine hydraulic control system figure of the present invention.
Fig. 2 is the isometric of the vertically-mounted four-in-one monolithic construction master control valve body of 3-position 4-way bonnet I of the present invention
Three-dimensional structure explosive view.
Fig. 3 is the isometric of the vertically-mounted split-type structural master control valve body of the six directions one of 3-position 4-way bonnet I of the present invention
Three-dimensional structure explosive view.
Fig. 4 is isometric three-dimensional structure explosive view when three-position four-way valve I is independently used.
Fig. 5 is isometric three-dimensional structure explosive view when three-position four-way valve II is independently used.
Fig. 6 is the three-dimensional knot of the vertically-mounted split-type structural main control valve isometric of the six directions one of 3-position 4-way bonnet I of the present invention
Structure schematic diagram.
Fig. 7 is horizontally mounted the three-dimensional knot of four-in-one monolithic construction main control valve isometric for 3-position 4-way bonnet I of the present invention
Structure schematic diagram.
Label in figure：1 --- fuel tank, 2 --- oil filter, 3 --- oil pump, 4 --- synchronous velocity control valve, 5 ---
Overflow valve I, 6 --- three-position four-way valve I, 7 --- one-way hydraulic lock, 8 --- piston cylinder I, 9 --- load
I, 10 --- load II, 11 --- piston cylinder II, 12 --- three-position four-way valve II, 13 --- overflow valve II,
14 --- master control bonnet, 14.1 --- bonnet I, 14.2 --- bonnet II, 15 --- master control valve body, 15.1 ---
3-position 4-way valve body I, 15.2 --- synchronous velocity control valve body, 15.3 --- 3-position 4-way valve body II, 16 ---
3-position 4-way bonnet I, 17 --- 3-position 4-way bonnet II.
Specific embodiment
Embodiment described below is only that three kinds of specific embodiments of the invention are described, not to this hair
Bright scope is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art couple
Various modifications and improvement that technical scheme is made, all should belong to the guarantor of claims of the present invention determination
In the range of shield.
Embodiment 1：Seeding transplant machine hydraulic control system described in the present embodiment and its main control valve are by fuel tank 1, filter
Oily device 2, oil pump 3, synchronous velocity control valve 4, overflow valve I 5, three-position four-way valve I 6, one-way hydraulic lock 7,
Piston cylinder I 8, load I 9, load II 10, piston cylinder II 11, three-position four-way valve II 12, overflow valve II 13
Constitute；Its synchronous velocity control valve 4, three-position four-way valve I 6, three-position four-way valve II 12, overflow valve I (5),
The valve body of the main control valve that overflow valve II (13) is constituted is four-in-one monolithic construction, four-in-one monolithic construction
Main control valve is by master control bonnet 14, master control valve body 15,3-position 4-way bonnet I 16, the structure of 3-position 4-way bonnet II 17
Into；3-position 4-way bonnet I 16 and 3-position 4-way bonnet II 17 set and install in vertical direction.Seedling is transplanted
In operation process, whole hydraulic system can the accessible automatic switchover between manually and automatically control mode for machine.
Embodiment 2：Seeding transplant machine hydraulic control system described in the present embodiment and its main control valve are by fuel tank 1, filter
Oily device 2, oil pump 3, synchronous velocity control valve 4, overflow valve I 5, three-position four-way valve I 6, one-way hydraulic lock 7,
Piston cylinder I 8, load I 9, load II 10, piston cylinder II 11, three-position four-way valve II 12, overflow valve II 13
Constitute；Its synchronous velocity control valve 4, three-position four-way valve I 6, three-position four-way valve II 12, overflow valve I (5),
The valve body that overflow valve II (13) constitutes main control valve is the split-type structural of the six directions one, the split-type structural master of the six directions one
Control valve body is by master control bonnet 14,3-position 4-way valve body I 15.1, synchronous velocity control valve body 15.2,3-position 4-way
Valve body II 15.3,3-position 4-way bonnet I 16,3-position 4-way bonnet II 17 is constituted；3-position 4-way bonnet I 16
Set in the horizontal direction and install, 3-position 4-way bonnet II 17 sets and install in vertical direction.Seedling is transplanted
In operation process, whole hydraulic system can the accessible automatic switchover between manually and automatically control mode for machine.
Embodiment 3：The seeding transplant machine hydraulic control system and its main control valve are by fuel tank 1, oil filter 2, oil
Pump 3, overflow valve I 5, three-position four-way valve I 6, one-way hydraulic lock 7, piston cylinder I 8, load I 9, load
II 10, piston cylinder II 11, three-position four-way valve II 12, overflow valve II 13 is constituted；Its three-position four-way valve I 6 and three
Position four-way valve II 12 is stand-alone configuration, and the valve body of three-position four-way valve I 6 is by bonnet I 14.1, three-position four-way valve
Body I 15.1 and be vertically arranged the 3-position 4-way bonnet I 16 of installation and constitute, the valve body of three-position four-way valve II 12 by
Bonnet II 14.2,3-position 4-way valve body II 15.3 and the horizontally disposed 3-position 4-way bonnet II 17 installed are constituted；Seedling
In operation process, the hydraulic system can be implemented separately the manually and automatically regulation that seedling transplants depth to tree-remover, and
Accessible can manually and automatically automatically switch between control mode.
Claims (6)
1. a kind of seeding transplant machine hydraulic control system and its main control valve, it is characterised in that：Including fuel tank (1), filter
Oily device (2), oil pump (3), synchronous velocity control valve (4), overflow valve I (5), three-position four-way valve I
(6), one-way hydraulic lock (7), piston cylinder I (8), load I (9), load II (10), piston cylinder
II (11), three-position four-way valve II (12), overflow valve II (13)；Synchronous velocity control valve (4) has
Load pressure negative-feedback function, when load pressure changes, in load pressure PⅠAnd PⅡFeedback
Under control, through of short duration adjustment, synchronous velocity control valve (4) can recover and keep by a certain percentage simultaneously
To piston cylinder I (8) and the fuel feeding of piston cylinder II (11)；When three-position four-way valve II (12) under extreme case
Valve element be in middle position, when the valve element of three-position four-way valve I (6) is in left or right operating position, load
Under the feedback control of pressure, synchronous velocity control valve (4) will automatically cut off the fluid of piston cylinder II (11)
Supply, the output fluid of oil pump (3) is all supplied piston cylinder I (8)；And work as three-position four-way valve I (6)
Valve element be in middle position, when the valve element of three-position four-way valve II (12) is in left or right operating position, negative
Carry under the feedback control of pressure, synchronous velocity control valve (4) can then automatically cut off piston cylinder I (8)
Fluid is supplied, and the output fluid of oil pump (3) is all supplied piston cylinder II (11)；Overflow valve I (5)
With the pole that overflow valve II (13) is respectively intended to limit piston cylinder I (8) and the branch oil circuit of piston cylinder II (11)
Limit operating pressure, the maximum permissible value for making it be no more than setting plays overload protective function；System is normal
During work, overflow valve I (5) and overflow valve II (13) are not opened, in normally off；Work as piston cylinder
I (8) and piston cylinder II (11) operating pressure higher than it is corresponding setting pressure when, overflow valve I (5)
Overflow is automatically opened up with overflow valve II (13), it is ensured that system safety operation；Three-position four-way valve I (6) and
Three-position four-way valve II (12) presses respective function respectively, is in good time piston cylinder I under control handle control
(8) and pressure and flow needed for piston cylinder II (11) is provided work fluid, make load I (9) and
Load II (10) is by respective requirement work；When load I (9) is in high-voltage oil liquid and load gravity or load
Gravity is formed when decline under the collective effect of torque, possesses the one-way hydraulic lock of specific one-way throttle function
(7) there is impact and damage in anti-locking system；And the decline of load II is then in its gravity or gravity institute shape
Completed under into moment loading.
2. seeding transplant machine hydraulic control system and its main control valve according to claim 1, it is characterised in that：It is single
It is in series by an one-way throttle valve and a hydraulic control one-way valve to hydraulic lock (7), can be according to controlled work
The specific loading conditions of plug cylinder I (8) and piston cylinder II (11) and control requirement, enter fuel-displaced at it respectively
Matched on road, it is also possible to be unworthy of.
3. seeding transplant machine hydraulic control system and its main control valve according to claim 1, it is characterised in that：Three
Position four-way valve I (6) and three-position four-way valve II (12) are manually operable control, also can be in specific machinery
It being completed under formula or the manipulation of electronic type position sensor and automatically controlling operation, two kinds of operator schemes can be accessible
Mutually switching.
4. seeding transplant machine hydraulic control system and its main control valve according to claim 1, it is characterised in that：Speed
Degree synchronous control valve (4), three-position four-way valve I (6), three-position four-way valve II (12), overflow valve I (5),
The valve body that overflow valve II (13) constitutes main control valve can be four-in-one monolithic construction, or six
Unification split-type structural；The valve body of four-in-one monoblock type main control valve is by master control bonnet (14), master control valve body
(15), 3-position 4-way bonnet I (16), 3-position 4-way bonnet II (17) is constituted；The six directions one is split type
The valve body of main control valve is then by master control bonnet (14), 3-position 4-way valve body I (15.1), synchronous velocity control
Valve body (15.2), 3-position 4-way valve body II (15.3), 3-position 4-way bonnet I (16), three-position four-way valve
Lid II (17) is constituted；3-position 4-way valve body I (15.1) in the split type main control valve of the six directions one, speed is same
Positioned by seam and pin between step application valve body (15.2), 3-position 4-way valve body II (15.3), used
Screw is realized being coupled to each other, and carries out sealing between valve body using sealing ring.
5. seeding transplant machine hydraulic control system and its main control valve according to claim 1 and 4, it is characterised in that：
Both synchronous velocity control valve (4), three-position four-way valve I (6) and three-position four-way valve II (12) can have been made to exist
It is integrated in the case of four-in-one or the six directions one to use, it is also possible in the feelings of separating rate synchronous control valve (4)
Under condition, three-position four-way valve I (6) and three-position four-way valve II (12) are carried out each independently to use；Each
From under independent service condition, master control bonnet (14) is decomposed into bonnet I (14.1) and bonnet II (14.2)
Two parts.
6. seeding transplant machine hydraulic control system and its main control valve according to claim 1,4 and 5, its feature exist
In：3-position 4-way bonnet I (16) and 3-position 4-way bonnet II (17) can be according to the specific of seeding transplant machine
Requirement of the control handle of situation and valve on space and position, in level, vertical or any appropriate direction
Set and install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776985.1A CN106704279B (en) | 2015-11-13 | 2015-11-13 | Seeding transplant machine hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510776985.1A CN106704279B (en) | 2015-11-13 | 2015-11-13 | Seeding transplant machine hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106704279A true CN106704279A (en) | 2017-05-24 |
| CN106704279B CN106704279B (en) | 2018-05-29 |
Family
ID=58930161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510776985.1A Active CN106704279B (en) | 2015-11-13 | 2015-11-13 | Seeding transplant machine hydraulic control system |
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| Country | Link |
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| CN (1) | CN106704279B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050706A (en) * | 1989-10-04 | 1991-04-17 | 日本石油化学株式会社 | The control setup of forklift truck cargo handling operation |
| CN101023720A (en) * | 2006-02-21 | 2007-08-29 | 井关农机株式会社 | Seedling transplanter |
| CN101586584A (en) * | 2008-05-20 | 2009-11-25 | 上海建工股份有限公司 | A kind of high level, tall and slender structure construction creeping formwork hydraulic synchronous control system |
| CN101843200A (en) * | 2010-05-28 | 2010-09-29 | 北京工业大学 | Automated potted-seedling transplanting machine for greenhouse |
| CN101975202A (en) * | 2010-10-15 | 2011-02-16 | 马鞍山钢铁股份有限公司 | Hydraulic cylinder synchronous control system and control method thereof |
| JP2015077141A (en) * | 2014-12-18 | 2015-04-23 | 井関農機株式会社 | Seedling transplanter |
-
2015
- 2015-11-13 CN CN201510776985.1A patent/CN106704279B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050706A (en) * | 1989-10-04 | 1991-04-17 | 日本石油化学株式会社 | The control setup of forklift truck cargo handling operation |
| CN101023720A (en) * | 2006-02-21 | 2007-08-29 | 井关农机株式会社 | Seedling transplanter |
| CN101586584A (en) * | 2008-05-20 | 2009-11-25 | 上海建工股份有限公司 | A kind of high level, tall and slender structure construction creeping formwork hydraulic synchronous control system |
| CN101843200A (en) * | 2010-05-28 | 2010-09-29 | 北京工业大学 | Automated potted-seedling transplanting machine for greenhouse |
| CN101975202A (en) * | 2010-10-15 | 2011-02-16 | 马鞍山钢铁股份有限公司 | Hydraulic cylinder synchronous control system and control method thereof |
| JP2015077141A (en) * | 2014-12-18 | 2015-04-23 | 井関農機株式会社 | Seedling transplanter |
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| Publication number | Publication date |
|---|---|
| CN106704279B (en) | 2018-05-29 |
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