CN203681648U - Hydraulic steering control device for harvesting machine - Google Patents
Hydraulic steering control device for harvesting machine Download PDFInfo
- Publication number
- CN203681648U CN203681648U CN201420068178.5U CN201420068178U CN203681648U CN 203681648 U CN203681648 U CN 203681648U CN 201420068178 U CN201420068178 U CN 201420068178U CN 203681648 U CN203681648 U CN 203681648U
- Authority
- CN
- China
- Prior art keywords
- control valve
- directional control
- way directional
- steering
- oil inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Guiding Agricultural Machines (AREA)
Abstract
The utility model discloses a hydraulic steering control device for a harvesting machine. The hydraulic steering control device comprises a hydraulic pump connected with an oil inlet of a hydraulic steering device. Two work oil ports of the hydraulic steering device are connected with two work oil ports of a steering oil cylinder respectively, a two-position and three-way reversing valve is arranged between the hydraulic pump and the oil inlet of the hydraulic steering device, the hydraulic pump is connected with an oil inlet of the two-position and three-way reversing valve, one work oil port of the two-position and three-way reversing valve is connected with the oil inlet of the hydraulic steering device, the other work oil port of the two-position and three-way reversing valve is connected with an oil inlet of a three-position and four-way reversing valve, an oil returning port of the three-position and four-way reversing valve is connected with an oil tank, two work oil ports of the three-position and four-way reversing valve are connected with the two work oil ports of the steering oil cylinder respectively, and a control port of the three-position and four-way reversing valve is connected with a central control unit. According to the hydraulic steering control device, manual steering and automatic steering of a drive wheel can be switched, operating labor intensity is reduced, driving comfort is improved, potential safety hazards caused by fatigue driving are avoided, and the hydraulic steering control device enables driving to be flexible and is practical.
Description
Technical field
The utility model belongs to harvest machinery technical field, relates in particular to a kind of harvest machinery fluid-link steering control setup.
Background technology
Present stage, turning to of harvest machinery is essentially hydraguide, and hydraguide used is only only applicable to manual steering at present.Its principle as shown in Figure 1, Hydraulic Pump 1 imbibition force feed from fuel tank enters in hydraulic steering gear 2 after converting pressure oil to, then by three six in hydraulic steering gear 2 logical hand change over valves 11, according to the angle of rotating of steering wheel and rotation direction by the left chamber of distributing to steering cylinder 3 or the right chamber of hydraulic oil proportionality, drive swinging of drive wheel 4 by steering cylinder 3, thereby realize turning to of harvest machinery.There are a lot of drawbacks in manual steering:
One, be subject to the impact of harvest machinery operating environment, garage's direction needs often to adjust, and steering effort is often larger, causes chaufeur labour intensity large;
Two, driving fatigue, harvest machinery operation is because being subject to seasonal effect, and duty cycle, the short harvest machinery production time that causes was long, and, there is potential safety hazard in the easy driving fatigue of chaufeur.
Utility model content
The purpose of this utility model is to provide a kind of harvest machinery fluid-link steering control setup, to solve the turning to as manual steering of harvest machinery that prior art provides, causes the large and driving fatigue of chaufeur labour intensity to have the problem of potential safety hazard.
For solving the problems of the technologies described above, the technical solution of the utility model is: harvest machinery fluid-link steering control setup, comprise hydraulic pressure hydraulic steering gear, the oil inlet connecting fluid press pump of described hydraulic pressure hydraulic steering gear, the return opening of described hydraulic pressure hydraulic steering gear connects fuel tank, two actuator ports of described hydraulic pressure hydraulic steering gear connect respectively two actuator ports of steering cylinder, between the oil inlet of described Hydraulic Pump and described hydraulic pressure hydraulic steering gear, be provided with two position three way directional control valve, described Hydraulic Pump connects the oil inlet of described two position three way directional control valve, an actuator port of described two position three way directional control valve connects the oil inlet of described hydraulic pressure hydraulic steering gear, another actuator port of described two position three way directional control valve connects the oil inlet of three position four-way directional control valve, the return opening of described three position four-way directional control valve connects described fuel tank, two actuator ports of described three position four-way directional control valve connect respectively two actuator ports of described steering cylinder, the control mouth of described three position four-way directional control valve is connected with Central Processing Unit (CPU).
Improve as one, the control mouth of described two position three way directional control valve is connected with described Central Processing Unit (CPU).
As further improvement, between the actuator port of described two position three way directional control valve and the oil inlet of described three position four-way directional control valve, be provided with check valve.
As further improving again, between the oil inlet of described three position four-way directional control valve and the return opening of described three position four-way directional control valve, be provided with by pass valve.
As further improving, between two actuator ports of two actuator ports of described three position four-way directional control valve and described steering cylinder, be equipped with a balance cock.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
Owing to being provided with the two position three way directional control valve that is communicated with three position four-way directional control valve between Hydraulic Pump and hydraulic steering gear, and three position four-way directional control valve is connected with Central Processing Unit (CPU), thereby the actuator port of two position three way directional control valve is communicated with the oil inlet of three position four-way directional control valve, hydraulic oil does not enter hydraulic steering gear, now, turning to completely of drive wheel controlled by the three position four-way directional control valve being connected with Central Processing Unit (CPU), and chaufeur can be realized the automatic walking of harvest machinery without steering dish.When three position four-way directional control valve is during in meta, all obstructed oil of steering cylinder two chambeies, left and right, left and right sidesing driving wheel does not swing, and now harvest machinery is straight line moving.When three position four-way directional control valve is in left position or when right position, the other chamber oil return of the logical oil in the right chamber of steering cylinder or left chamber, drives swinging of drive wheel, thereby realizes the left and right auto-steering of harvest machinery; In the time that chaufeur is wanted to adopt manual steering, by two position three way directional control valve is communicated with hydraulic steering gear, realize manual steering simultaneously.In sum, adopt this harvest machinery fluid-link steering control setup to realize the mutual switching of drive wheel manual steering and auto-steering, the labour intensity while having reduced operation, has increased driver comfort, avoid fatigue driving to bring the problem of potential safety hazard, and driven practical flexibly.
Because the control mouth of two position three way directional control valve is connected with Central Processing Unit (CPU), thereby the switching of two position three way directional control valve just can realize by Central Processing Unit (CPU), without manual operation, has further alleviated labour intensity.
Owing to being provided with by pass valve between the close oil inlet of three position four-way directional control valve and the return opening of three position four-way directional control valve, thereby keep the constant and overload protective function of pressure by by pass valve, ensured the normal work of this harvest machinery fluid-link steering control setup.
Owing to being equipped with a balance cock between two actuator ports of three position four-way directional control valve and two actuator ports of steering cylinder, thereby ensure by balance cock reliability and the turning efficiency that drive wheel turns to.
Brief description of the drawings
Fig. 1 is the structural representation of harvest machinery hydraguide in prior art;
Fig. 2 is the structural representation of the utility model embodiment;
In figure, 1-Hydraulic Pump; 2-hydraulic steering gear; 3-steering cylinder; 4-drive wheel; 5-fuel tank; 6-two position three way directional control valve; 7-check valve; 8-three position four-way directional control valve; 9-by pass valve; 10-balance cock; Tri-six logical hand change over valves of 11-; 12-by pass valve; 13-Hydraulic Pump; 14-by pass valve; 15-pressure sensor; 16-radiator; 17-filter; 18-Central Processing Unit (CPU); 19-check valve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 2, this harvest machinery fluid-link steering control setup comprises hydraulic steering gear 2, the oil inlet connecting fluid press pump 1 of this hydraulic steering gear 2, the return opening of this hydraulic steering gear 2 connects fuel tank 5, between this Hydraulic Pump 1 and fuel tank 5, be provided with filter 17, two actuator ports of this hydraulic steering gear 2 connect respectively two actuator ports of steering cylinder 3, the two ends of this steering cylinder 3 connect respectively a drive wheel 4, between this Hydraulic Pump 1 and the oil inlet of hydraulic steering gear 2, be provided with two position three way directional control valve 6, this Hydraulic Pump 1 connects the oil inlet of two position three way directional control valve 6, an actuator port of this two position three way directional control valve 6 connects the oil inlet of hydraulic steering gear 2, this hydraulic steering gear 2 comprises three six logical hand change over valves 11, these three six logical hand change over valves 11 oil inlet and return opening in the time of meta are interconnected, these three six logical hand change over valve 11 oil inlets are connected with an actuator port of two position three way directional control valve 6, between these three six logical hand change over valve 11 oil inlets and two position three way directional control valve 6, be provided with check valve 19, between the return opening of this check valve 19 and three six logical hand change over valves 11, be provided with by pass valve 12, these three six logical hand change over valves 11 are connected with Hydraulic Pump 13, between two actuator ports of these three six logical hand change over valves 11, be provided with two by pass valves 14 that are interconnected.
Another actuator port of this two position three way directional control valve 6 connects the oil inlet of three position four-way directional control valve 8, between the oil inlet of the actuator port of this two position three way directional control valve 6 and three position four-way directional control valve 8, be provided with check valve 7, the return opening of this three position four-way directional control valve 8 connects fuel tank 5, between the oil inlet of this three position four-way directional control valve 8 and the return opening of three position four-way directional control valve 8, is provided with by pass valve 9, between the return opening of this three position four-way directional control valve 8 and fuel tank 5, be provided with radiator 16, between this radiator 16 and fuel tank 5, be provided with filter 17, two actuator ports of this three position four-way directional control valve 8 connect respectively two actuator ports of steering cylinder 3, between two actuator ports of this three position four-way directional control valve 8 and two actuator ports of steering cylinder 3, be equipped with a balance cock 10, on chargine line between this two position three way directional control valve 6 and three position four-way directional control valve 8 and oil return line, be equipped with load cell, this load cell is pressure sensor 15 or compression indicator, the control mouth of this three position four-way directional control valve 8, the control mouth of two position three way directional control valve 6 is all connected with Central Processing Unit (CPU) 18 with pressure sensor 15.
In actual applications, in the time that the actuator port of two position three way directional control valve 6 is communicated with the oil inlet of three six logical hand change over valves 11 in hydraulic steering gear 2, be that two position three way directional control valve 6 is in left position, Hydraulic Pump 1 is imbibition force feed from fuel tank 5, then hydraulic oil is changed into pressure oil and enter into hydraulic steering gear 2 by two position three way directional control valve 6, then hydraulic steering gear 2 is according to the angle of rotating of steering wheel and rotation direction, by the left chamber of distributing to steering cylinder 3 or the right chamber of hydraulic oil proportionality, drive swinging of drive wheel 4 by steering cylinder 3, thereby realize the manual steering of harvest machinery, by the control of Central Processing Unit (CPU) 18, when the actuator port of two position three way directional control valve 6 is communicated with the oil inlet of three position four-way directional control valve 8, be that two position three way directional control valve 6 is in right position, Hydraulic Pump 1 is imbibition force feed from fuel tank 5, then hydraulic oil is changed into pressure oil and enter into three position four-way directional control valve 8 by two position three way directional control valve 6, hydraulic oil does not enter hydraulic steering gear 2, now turning to completely of drive wheel 4 controlled by three position four-way directional control valve 8, and chaufeur can be realized the automatic walking of harvest machinery without steering dish.When three position four-way directional control valve 8 is during in meta, all obstructed oil of two chambeies, steering cylinder 3 left and right, left and right sidesing driving wheel 4 does not swing, and now harvest machinery is straight line moving; When three position four-way directional control valve 8 is in left position or when right position, the other chamber oil return of the logical oil in the right chamber of steering cylinder 3 or left chamber, drives swinging of drive wheel 4, thereby realizes the left and right auto-steering of harvest machinery.In sum, adopt this harvest machinery fluid-link steering control setup to realize the mutual switching of drive wheel 4 manual steering and auto-steering, the labour intensity while having reduced operation, has increased driver comfort, avoid fatigue driving to bring the problem of potential safety hazard, and driven practical flexibly.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. harvest machinery fluid-link steering control setup, comprise hydraulic steering gear, the oil inlet connecting fluid press pump of described hydraulic steering gear, the return opening of described hydraulic steering gear connects fuel tank, two actuator ports of described hydraulic steering gear connect respectively two actuator ports of steering cylinder, it is characterized in that, between described Hydraulic Pump and the oil inlet of described hydraulic steering gear, be provided with two position three way directional control valve, described Hydraulic Pump connects the oil inlet of described two position three way directional control valve, an actuator port of described two position three way directional control valve connects the oil inlet of described hydraulic steering gear, another actuator port of described two position three way directional control valve connects the oil inlet of three position four-way directional control valve, the return opening of described three position four-way directional control valve connects described fuel tank, two actuator ports of described three position four-way directional control valve connect respectively two actuator ports of described steering cylinder, the control mouth of described three position four-way directional control valve is connected with Central Processing Unit (CPU).
2. harvest machinery fluid-link steering control setup according to claim 1, is characterized in that, the control mouth of described two position three way directional control valve is connected with described Central Processing Unit (CPU).
3. harvest machinery fluid-link steering control setup according to claim 2, is characterized in that, between the actuator port of described two position three way directional control valve and the oil inlet of described three position four-way directional control valve, is provided with check valve.
4. according to the harvest machinery fluid-link steering control setup described in the arbitrary claim of claims 1 to 3, it is characterized in that, between the oil inlet of described three position four-way directional control valve and the return opening of described three position four-way directional control valve, be provided with by pass valve.
5. harvest machinery fluid-link steering control setup according to claim 4, is characterized in that, between two actuator ports of two actuator ports of described three position four-way directional control valve and described steering cylinder, is equipped with a balance cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068178.5U CN203681648U (en) | 2014-02-17 | 2014-02-17 | Hydraulic steering control device for harvesting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068178.5U CN203681648U (en) | 2014-02-17 | 2014-02-17 | Hydraulic steering control device for harvesting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203681648U true CN203681648U (en) | 2014-07-02 |
Family
ID=51003590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068178.5U Expired - Fee Related CN203681648U (en) | 2014-02-17 | 2014-02-17 | Hydraulic steering control device for harvesting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203681648U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386123A (en) * | 2014-12-05 | 2015-03-04 | 衡阳合力工业车辆有限公司 | Tractor and hydraulic steering system |
| CN106741130A (en) * | 2017-02-14 | 2017-05-31 | 临沭县东泰机械有限公司 | A kind of peanut combine hydraulic steering system and its application method |
| CN106954401A (en) * | 2017-04-13 | 2017-07-18 | 农业部南京农业机械化研究所 | Manual self-navigation integral type crawler-type combine harvester steering |
| CN108382457A (en) * | 2018-01-05 | 2018-08-10 | 北京清博华创测控技术有限公司 | A kind of tractor self-steering remodeling method and control method |
| CN110116753A (en) * | 2018-02-05 | 2019-08-13 | 丹佛斯动力***有限公司 | Hydraulic steering |
| CN111086560A (en) * | 2019-12-28 | 2020-05-01 | 天津易鼎丰动力科技有限公司 | Hydraulic steering system compatible with manual driving and unmanned driving modes |
-
2014
- 2014-02-17 CN CN201420068178.5U patent/CN203681648U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386123A (en) * | 2014-12-05 | 2015-03-04 | 衡阳合力工业车辆有限公司 | Tractor and hydraulic steering system |
| CN106741130A (en) * | 2017-02-14 | 2017-05-31 | 临沭县东泰机械有限公司 | A kind of peanut combine hydraulic steering system and its application method |
| CN106954401A (en) * | 2017-04-13 | 2017-07-18 | 农业部南京农业机械化研究所 | Manual self-navigation integral type crawler-type combine harvester steering |
| CN108382457A (en) * | 2018-01-05 | 2018-08-10 | 北京清博华创测控技术有限公司 | A kind of tractor self-steering remodeling method and control method |
| CN108382457B (en) * | 2018-01-05 | 2021-09-10 | 清博（昆山）智能科技有限公司 | Automatic steering transformation method and control method for tractor |
| CN110116753A (en) * | 2018-02-05 | 2019-08-13 | 丹佛斯动力***有限公司 | Hydraulic steering |
| US11014604B2 (en) | 2018-02-05 | 2021-05-25 | Danfoss Power Solutions Aps | Hydraulic steering arrangement |
| CN111086560A (en) * | 2019-12-28 | 2020-05-01 | 天津易鼎丰动力科技有限公司 | Hydraulic steering system compatible with manual driving and unmanned driving modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203681648U (en) | Hydraulic steering control device for harvesting machine | |
| CN201581431U (en) | Loader load sensitization hydraulic device | |
| US10330129B2 (en) | Hydraulic control valve assembly of automatic steering system for agricultural machine | |
| CN104554432A (en) | Novel engineering machine steer-by-wire system | |
| CN204755430U (en) | Broken host computer actuating system | |
| CN102501917A (en) | Electrically-controlled hydraulically-driven steering device for mobile platform of agricultural robot | |
| CN203879827U (en) | Servo drive hydraulic system | |
| CN201646846U (en) | Hydraulic steering system for forward fork lift | |
| CN103016431B (en) | The hydraulic system of all-hydraulic transplanter | |
| CN105952700B (en) | A kind of loading machine variable multiple power levels control module and hydraulic system | |
| CN104196788A (en) | Hydraulically-driven corn straw crushing and returning device and use method thereof | |
| CN102384114A (en) | Engineering mechanical arm hydraulic position driving control system | |
| CN104712606A (en) | Multi-direction hydraulic control system of machine tool | |
| CN104454722B (en) | A kind of hydraulic multitandem valve | |
| CN203189407U (en) | Hydraulic oil cylinder control system | |
| CN102606131A (en) | Hydraulically-driven top drive control system | |
| CN203669006U (en) | Working hydraulic system and steering hydraulic system shared pump structure of small-sized wheel-type loading machine | |
| CN201368082Y (en) | Load sensing electrohydraulic proportional multi-way reversing oil way | |
| CN211196345U (en) | Steering system of transverse oil cylinder steering bridge type forklift | |
| CN202047435U (en) | Hydraulic guide control system of land leveler | |
| CN205225912U (en) | Variable controller of mechanical type hydraulic pump | |
| CN202971366U (en) | Full-hydraulic drive system of seedling-planting machine | |
| CN204828103U (en) | Hydraulic drive mills and digs control system | |
| CN105340468A (en) | Electro-hydraulic control system for differential type tracked combine harvester test vehicle and control method thereof | |
| CN207191152U (en) | A kind of automatically controlled steering of engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY CO., LTD. Address before: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee before: Futian Leiwo International Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20180217 |