CN104956800B - Control system and crawler-type agricultural machine provided with same - Google Patents
Control system and crawler-type agricultural machine provided with same Download PDFInfo
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- CN104956800B CN104956800B CN201510052998.4A CN201510052998A CN104956800B CN 104956800 B CN104956800 B CN 104956800B CN 201510052998 A CN201510052998 A CN 201510052998A CN 104956800 B CN104956800 B CN 104956800B
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Abstract
The invention relates to a control system and a crawler-type agricultural machine provided with same. The control system comprises a control mechanism; the control mechanism is connected to a hydraulic valve (331a); a first oil outlet of the hydraulic valve (331a) is connected to an oil inlet A of a steering cylinder (336) through a first oil pipe (334a); a second oil outlet of the hydraulic valve (331a) is connected to an oil inlet B of the steering cylinder (336) through a second oil pipe (334b); a third oil outlet of the hydraulic valve (331a) is connected to a lifting cylinder (335) through a third oil pipe (334c);an oil inlet of the hydraulic valve (331a) is communicated with a hydraulic pump (337); and an oil drainage port of the hydraulic valve is communicated with a hydraulic oil tank (338). According to the invention, only one control mechanism is arranged in the control system and the crawler-type agricultural machine, i.e., only one control rod is employed, a steering system and a lifting system can be controlled through four positions on the control rod, the structure is greatly simplified, and the operation is simplified.
Description
Technical field
The present invention relates to a kind of control system, more particularly to a kind of control system of crawler-type rotary cultivator；The present invention is also related to
And a kind of crawler type agricultural machinery with the system.
Background technology
Crawler type agricultural machinery of the prior art, particularly crawler-type rotary cultivator, harvester or stubble cleaner, its steering system
System needs two sets of independent control systems to be controlled with agricultural machinery and implement jacking system, and left and right turn needs two handles, controls agricultural machinery
Tool jacking system needs a handle, control gearshift to also need to a handle, also, existing crawler-type rotary cultivator, supporting machine
Tool moving gear box all borrows the moving gear box of hand tractor or crawler self-propelled combine harvester, its speed of travel substantially
Not necessarily it is adapted to the speed of travel of crawler belt rotary cultivator, especially when job status changes or pursues high benefit simply, can be because
Select to affect rotary tillage process quality less than the suitable speed of travel (as travel speed must be matched with rotary tillage blade axis rotary speed), very
To breaking down.In operation, driver not only needs to manipulate four handles, and gearshift also needs stepping on clutch, and operating difficulty is very big.
Even if as notification number is：Course changing control mechanism disclosed in the patent document of CN204037642U, left and right steering is controlled
System is concentrated on a joystick, and its operation handle is still excessive, easily causes operational error, produces potential safety hazard.
The content of the invention
For defect present in above-mentioned prior art, the present invention provides a kind of control system and the crawler belt with the system
Formula agricultural machinery, with simplified control system structure, improve production efficiency.
For achieving the above object, the present invention provides a kind of control system, it is characterised in that including an operating mechanism, manipulates
Mechanism is connected with a hydraulic valve, and the first oil-out of hydraulic valve is connected with the oil-in A of steering cylinder by the first oil pipe, hydraulic pressure
Second oil-out of valve is connected with the oil-in B of steering cylinder by the second oil pipe, and the 3rd oil-out of hydraulic valve passes through the 3rd
Oil pipe is connected with elevating ram, and the oil-in of hydraulic valve is connected with hydraulic pump, and the drain tap of hydraulic valve is connected with hydraulic oil container；
Further, operating mechanism has the first operating position, the second operating position, the 3rd operating position, the 4th work
Position and a reset position, the oil-in of the hydraulic valve can connect to form oil circuit A with the first oil-out, the hydraulic valve
Oil-in can connect to form oil circuit B with the second oil-out, and the oil-in of the hydraulic valve can connect to form oil with the 3rd oil-out
Road C, the drain tap of the hydraulic valve can connect to form oil circuit D with the first oil-out, and the drain tap of the hydraulic valve can be with second
Oil-out connects to form oil circuit E, and the drain tap of the hydraulic valve can connect to form oil circuit F with the 3rd oil-out；
Further, when the operating mechanism is in reset position, oil circuit D, E connection of the hydraulic valve, the oil circuit
A, B, C, F are closed；
Further, when the operating mechanism is in the first operating position, oil circuit A, E connection of the hydraulic valve is described
Oil circuit B, C, D, F are closed；
Further, when the operating mechanism is in the second operating position, oil circuit B, D connection of the hydraulic valve is described
Oil circuit A, C, E, F are closed；
Further, when the operating mechanism is in three operating positions, oil circuit D, E, F connection of the hydraulic valve, institute
State oil circuit A, B, C closing；
Further, when the operating mechanism is in four operating positions, oil circuit C, D, E connection of the hydraulic valve, institute
State oil circuit A, B, F closing；
Further, the operating mechanism is a control stick；
Further, the control stick is located at center correspondence reset position, swings the first operating position of correspondence to the left,
The second operating position of correspondence is swung to the right, the 3rd operating position of correspondence, the 4th operating position of swing backward correspondence is swung forward；
Further, above-mentioned control system is used for crawler type agricultural machinery；
Further, above-mentioned control system is used for crawler-type rotary cultivator, crawler-type harvester or crawler type stubble cleaner.
A kind of crawler type agricultural machinery, with any one in control system as above；
Further, the crawler type agricultural machinery also has a hydraulic pressure buncher, the hydraulic pressure buncher
Input shaft is connected with the output shaft of engine, and the output shaft of the hydraulic pressure buncher is connected with the input shaft of moving gear box
Connect；
Further, the crawler type agricultural machinery, is provided with an input on the input shaft of the hydraulic pressure buncher
Belt wheel, the input belt wheel (are connected with the engine output pulley being arranged on engine output shaft by belt；
Further, the crawler type agricultural machinery is crawler-type rotary cultivator, crawler-type harvester or crawler type stubble cleaner.
The control system of the present invention and crawler type agricultural machinery, only arrange an operating mechanism, i.e., only arrange a manipulation
Bar, by the four of control stick positions, not only can control steering, can also control hoisting system, greatly optimize knot
Structure, simplifies operation.The crawler type agricultural machinery of the present invention, the i.e. combination using mechanical gear box with hydraulic continuously variable transmission are replaced
For traditional mechanical gear box that is separately provided, selectable speed ratio is greatly promoted, and improves production efficiency.
Description of the drawings
Fig. 1 is control system schematic diagram of the present invention,
Fig. 2 is agricultural machinery of the present invention and control system side view,
Fig. 3 is agricultural machinery of the present invention and control system top view.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, 2, 3：
A kind of control system, for crawler-type rotary cultivator, including an one control lever 446, control stick 446 is placed in centre bit
Put, swing position, to the right swing position, forward swing position and swing backward position to the left, the bottom of control stick is connected with one
First oil-out of five logical hydraulic valve 331a, the hydraulic valve 331a is entered by the first oil pipe 334a and steering cylinder 336
Hydraulic fluid port A connects, and second oil-out of hydraulic valve 331a is connected with the oil-in B of steering cylinder 336 by the second oil pipe 334b, liquid
3rd oil-out of pressure valve 331a is connected with elevating ram 335 by the 3rd oil pipe 334c, the oil-in and liquid of hydraulic valve 331a
Press pump 337 is connected, and the drain tap of hydraulic valve is connected with hydraulic oil container 338, and the oil-in of the hydraulic valve 331a can go out with first
Hydraulic fluid port connects to form oil circuit A, and the oil-in of the hydraulic valve 331a can connect to form oil circuit B with the second oil-out, the hydraulic pressure
The oil-in of valve 331a can connect to form oil circuit C with the 3rd oil-out, and the drain tap of the hydraulic valve 331a can be fuel-displaced with first
Mouth connection forms oil circuit D, and the drain tap of the hydraulic valve 331a can connect to form oil circuit E with the second oil-out, the hydraulic valve
The drain tap of 331a can connect to form oil circuit F with the 3rd oil-out, when control stick is in center, the hydraulic valve 331a's
Oil circuit D, E are connected, oil circuit A, B, C, F closing, and rotary cultivator straight trip, equipment carry suspension keep its original position；Control stick
In swing position to the left when, oil circuit A, E connection of the hydraulic valve 331a, described oil circuit B, C, D, F closing, steering cylinder
336 left steering push rod ejection promotes left steering arm to make which turn left, and realizes that machine is turned to the left；Control stick is in the right
During swing position, oil circuit B, D connection of the hydraulic valve 331a, oil circuit A, C, E, F closing, the right-hand rotation of steering cylinder 336
Promote right turn arm to make which turn right to push rod ejection, realize that machine is turned to the right；Control stick swing position forwardly
When, oil circuit D, E, F connection of the hydraulic valve 331a, oil circuit A, B, C closing, hydraulic oil is from 335 cylinder of elevating ram priority
The 3rd oil-out, drain tap through hydraulic valve 336 flows back to hydraulic oil container 338, and 335 stroke of elevating ram shortens, equipment carry
Suspension is fallen；When control stick is in swing backward position, oil circuit C, D, E connection of the hydraulic valve 331a, described oil circuit A, B, F
Closing；Hydraulic oil oil-in successively through hydraulic valve 336, the 3rd oil-out push elevating ram 335,335 row of elevating ram
Cheng Zengchang, equipment carry suspension rise.
A kind of crawler-type rotary cultivator, including above-mentioned control system, also with a hydraulic pressure buncher 37, the hydraulic pressure without
An input belt wheel 371 is provided with the input shaft of pole speed changer 37, and the input belt wheel 371 is started with being arranged on by belt
Engine output pulley 212 on machine output shaft connects, output shaft and the moving gear box 27 of the hydraulic pressure buncher 37
Input shaft connection.
Control system above and crawler-type rotary cultivator, are only provided with a control stick, by the five of control stick positions,
Left and right turn not only can be controlled, the lifting of rotary cultivator rear suspension can also be controlled, structure is greatly optimized, simplify operation,
The crawler-type rotary cultivator of the present invention, i.e., be separately provided using mechanical gear box is traditional with the combination replacement of hydraulic continuously variable transmission
Mechanical gear box, selectable speed ratio are greatly promoted, and improve production efficiency.
Described above illustrates and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and
Environment, and can be changed by the technology or knowledge of above-mentioned teaching or association area in invention contemplated scope described herein
It is dynamic.And change that those skilled in the art are carried out and change be without departing from the spirit and scope of the present invention, then all should be appended by the present invention
In scope of the claims.
Claims (13)
1. a kind of control system, it is characterised in that including an operating mechanism, operating mechanism is connected with a hydraulic valve (331a), liquid
First oil-out of pressure valve (331a) is connected with the oil-in A of steering cylinder (336) by the first oil pipe (334a), hydraulic valve
(331a) the second oil-out is connected with the oil-in B of steering cylinder (336) by the second oil pipe (334b), hydraulic valve (331a)
The 3rd oil-out be connected with elevating ram (335) by the 3rd oil pipe (334c), the oil-in and hydraulic pressure of hydraulic valve (331a)
Pump (337) is connected, and the drain tap of hydraulic valve is connected with hydraulic oil container (338)；
Operating mechanism has the first operating position, the second operating position, the 3rd operating position, the 4th operating position and a reset
Position, the oil-in of hydraulic valve (331a) connect to form oil circuit A with the first oil-out, the oil-feed of hydraulic valve (331a)
Mouth connects to form oil circuit B with the second oil-out, and the oil-in of hydraulic valve (331a) connects to form oil circuit with the 3rd oil-out
C, the drain tap of hydraulic valve (331a) connect to form oil circuit D with the first oil-out, the drain tap of hydraulic valve (331a)
Connect to form oil circuit E with the second oil-out, the drain tap of hydraulic valve (331a) connects to form oil circuit F with the 3rd oil-out；
The control stick is located at center correspondence reset position, swings the first operating position of correspondence to the left, swings to the right correspondence
Second operating position, swings forward the 3rd operating position of correspondence, the 4th operating position of swing backward correspondence.
2. a kind of control system according to claim 1, it is characterised in that when the operating mechanism is in reset position,
Oil circuit D, E connection of hydraulic valve (331a), oil circuit A, B, C, F closing.
3. a kind of control system according to claim 1, it is characterised in that the operating mechanism is in the first operating position
When, oil circuit A, E connection of hydraulic valve (331a), oil circuit B, C, D, F closing.
4. a kind of control system according to claim 1, it is characterised in that the operating mechanism is in the second operating position
When, oil circuit B, D connection of hydraulic valve (331a), oil circuit A, C, E, F closing.
5. a kind of control system according to claim 1, it is characterised in that the operating mechanism is in the 3rd operating position
When, oil circuit D, E, F connection of hydraulic valve (331a), oil circuit A, B, C closing.
6. a kind of control system according to claim 1, it is characterised in that the operating mechanism is in the 4th operating position
When, oil circuit C, D, E connection of hydraulic valve (331a), oil circuit A, B, F closing.
7. a kind of control system according to claim 1, it is characterised in that the operating mechanism is a control stick (446).
8. a kind of control system according to any one of claim 1-7, it is characterised in that for crawler type agricultural machine
Tool.
9. a kind of control system according to claim 8, it is characterised in that gather in for crawler-type rotary cultivator, crawler type
Machine or crawler type stubble cleaner.
10. a kind of crawler type agricultural machinery, it is characterised in that with the control system as any one of claim 1-7.
11. a kind of crawler type agricultural machinery according to claim 10, it is characterised in that also with a hydraulic pressure electrodeless variable-speed
Device (37), the input shaft of hydraulic pressure buncher (37) are connected with the output shaft of engine (21), the electrodeless change of the hydraulic pressure
The output shaft of fast device (37) is connected with the input shaft of moving gear box (27).
A kind of 12. crawler type agricultural machinery according to claim 11, it is characterised in that the hydraulic pressure buncher
(37) an input belt wheel (371) is provided with input shaft, and input belt wheel (371) passes through belt and is arranged on engine
Engine output pulley (212) connection on output shaft.
A kind of 13. crawler type agricultural machinery according to any one of claim 11-12, it is characterised in that the crawler belt
Formula agricultural machinery is crawler-type rotary cultivator, crawler-type harvester or crawler type stubble cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052998.4A CN104956800B (en) | 2015-02-02 | 2015-02-02 | Control system and crawler-type agricultural machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052998.4A CN104956800B (en) | 2015-02-02 | 2015-02-02 | Control system and crawler-type agricultural machine provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104956800A CN104956800A (en) | 2015-10-07 |
| CN104956800B true CN104956800B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510052998.4A Active CN104956800B (en) | 2015-02-02 | 2015-02-02 | Control system and crawler-type agricultural machine provided with same |
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| Country | Link |
|---|---|
| CN (1) | CN104956800B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697010A (en) * | 2013-12-13 | 2014-04-02 | 三一汽车制造有限公司 | Integrated hydraulic valve group, hydraulic driving system and concrete pump |
| CN103858542A (en) * | 2014-02-21 | 2014-06-18 | 全开 | Four-wheel hydraulic steering mini-tiller |
| CN203735004U (en) * | 2014-02-21 | 2014-07-30 | 全开 | Four-wheel hydraulic steering type mini-tiller |
| CN204634306U (en) * | 2015-02-02 | 2015-09-16 | 星光农机股份有限公司 | A kind of control device and the crawler type agricultural machinery with this control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003019968A (en) * | 2001-07-06 | 2003-01-21 | Iseki & Co Ltd | Work machine lifting/steering device for tractor |
-
2015
- 2015-02-02 CN CN201510052998.4A patent/CN104956800B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697010A (en) * | 2013-12-13 | 2014-04-02 | 三一汽车制造有限公司 | Integrated hydraulic valve group, hydraulic driving system and concrete pump |
| CN103858542A (en) * | 2014-02-21 | 2014-06-18 | 全开 | Four-wheel hydraulic steering mini-tiller |
| CN203735004U (en) * | 2014-02-21 | 2014-07-30 | 全开 | Four-wheel hydraulic steering type mini-tiller |
| CN204634306U (en) * | 2015-02-02 | 2015-09-16 | 星光农机股份有限公司 | A kind of control device and the crawler type agricultural machinery with this control device |
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| Publication number | Publication date |
|---|---|
| CN104956800A (en) | 2015-10-07 |
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Denomination of invention: A control system and tracked agricultural machinery with the system Effective date of registration: 20221016 Granted publication date: 20170322 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. and Fu sub branch Pledgor: XINGGUANG AGRICULTURAL MACHINERY Co.,Ltd. Registration number: Y2022330002596 |