CN111837598B - Combined control structure for lifting chassis and lifting ridge breaker of combine harvester - Google Patents
Combined control structure for lifting chassis and lifting ridge breaker of combine harvester Download PDFInfo
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- CN111837598B CN111837598B CN202010755878.1A CN202010755878A CN111837598B CN 111837598 B CN111837598 B CN 111837598B CN 202010755878 A CN202010755878 A CN 202010755878A CN 111837598 B CN111837598 B CN 111837598B
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- lifting
- hinge point
- ridge breaker
- chassis
- control module
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- 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
- A01D41/02—Self-propelled combines
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The invention discloses a combined control structure for chassis lifting and ridge breaker lifting of a combined harvester, which comprises an electric control module and two groups of symmetrically arranged independent assemblies, wherein the electric control module comprises a control panel, a limit switch, an electric control module, a ridge breaker electromagnetic valve connected with a ridge breaker oil cylinder and a crawler lifting electromagnetic valve connected with a chassis lifting oil cylinder, and the control panel is arranged in a cab of the harvester; the electric control module identifies an operation instruction input by the control panel and sends a control instruction to the electromagnetic valve of the ridge breaker and the crawler lifting electromagnetic valve; the limit switch is arranged on the front mounting seat of the upper platform, is connected with the electric control module and sends the feedback signal to the electric control module. The lifting of the ridge breaker and the lifting of the lifting chassis are realized by utilizing the combined control of the hydraulic electromagnetic valve, the controller and the electric elements, and meanwhile, the faults caused by the contact and misoperation of the ridge breaker and the crawler in any form are avoided.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a combined control structure for lifting a chassis of a combine harvester and lifting a ridge breaker.
Background
With the technical improvement of domestic combine harvesters, for areas with fewer mud feet and areas with deeper sunken tracks during the operation of the harvester, the ground clearance of a lifting chassis needs to be improved for improving the trafficability of the harvester. In the prior art, when a combine harvester with a lifting chassis with a lifting function is provided with a ridge breaker, when the height of the lifting chassis rises to the highest, the ridge breaker 1 can freely lift between a highest point M and a lowest point N (as shown in figure 1-2) under the action of a ridge breaker oil cylinder 5, but when the height of the lifting chassis begins to fall or is in a falling state, because a front rake angle of a crawler changes, the crawler interferes with the ridge breaker, if an operator of the harvester operates a lifting controller of the ridge breaker oil cylinder 5 by mistake, the ridge breaker 1 is positioned at the position of M, and at the moment, the ridge breaker 1 is contacted with the crawler 10; when a driver lowers the height of the lifting chassis from a high position to a low position, if the driver forgets to lower the ridger 1 to N points, the ridger 1 can be contacted with the crawler 10; both of these conditions can cause damage to the ridge breaker 1 and the tracks 10 and even other components of the harvester as the machine advances.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a combined control structure for chassis lifting and ridge breaker lifting of a combined harvester, which comprises an electric control module and two groups of independent assemblies which are symmetrically arranged, wherein each independent assembly comprises a ridge breaker 1, an upper platform 2 and a lower wheel train 3, the middle part of the upper platform 2 is provided with a hinge point K, the front end and the rear end of the upper platform 2 are respectively provided with a front mounting seat 21 and a rear mounting seat 22, the front mounting seat 21 is provided with a hinge point C and a hinge point D, and the rear mounting seat 22 is provided with a hinge point G; the front side of the lower wheel train 3 is provided with a hinge point E, the hinge point E is connected with a front arm assembly 4, the front arm assembly 4 comprises a front rotating arm 41 and a front supporting arm 42 which are rigidly connected, the joint of the front rotating arm 41 and the front supporting arm 42 is rotatably connected with a hinge point C on the front mounting seat 21, the ridge breaker 1 comprises a ridge breaker and a shovel handle, the middle part of the shovel handle is rotatably connected with the hinge point L, the hinge point L is positioned on an inner support of the crawler, the rear end of the shovel handle is provided with a hinge point F, and a ridge breaker oil cylinder 5 is connected between the hinge point F and the hinge point D; a hinge point H is arranged at the rear side of the lower wheel train 3, a rear arm assembly 6 is connected to the hinge point H, the rear arm assembly 6 comprises a rear rotating arm 61 and a rear arm 62 which are rigidly connected, the joint of the rear rotating arm 61 and the rear arm 62 is rotationally connected with a point G on the rear mounting seat 22, a hinge point J is arranged at the upper part of the rear rotating arm 61, a chassis lifting oil cylinder 7 is connected to the hinge point J, and the chassis lifting oil cylinder 7 is rotationally connected to the upper platform 2 through the hinge point K; a hinge point B is arranged at the upper part of the rear rotating arm 61 close to the hinge point K; the top end of the front rotating arm 41 is provided with a hinge point A, and a pull rod 8 is connected between the hinge point A and the hinge point B; the lower wheel train 3 and the rear mounting seat 22 are both provided with driven crawler wheels 9, the front mounting seat 21 is provided with driving crawler wheels 11, and crawler belts 10 are arranged outside the driven crawler wheels 9 and the driving crawler wheels 11;
The electric control module comprises a control panel, a limit switch, an electric control module, a ridge breaker electromagnetic valve connected with a ridge breaker oil cylinder and a crawler lifting electromagnetic valve connected with a chassis lifting oil cylinder, and the control panel is installed in a cab of the harvester; the control panel is connected with the electric control module, and the electric control module identifies an operation instruction input by the control panel and sends a control instruction to the electromagnetic valve of the ridge breaker and the crawler lifting electromagnetic valve; the limit switch is installed on the front installation seat of the upper platform, a contact of the limit switch faces the front rotating arm, and the limit switch is connected with the electric control module and sends a feedback signal to the electric control module.
Further, the control panel on be equipped with the button and include: p (S) -lifting a ridge breaker; p (J) -lowering the ridge breaker; l(s) -left track lift; l (j) -left track down; r(s) -right side track lift; r (j) -right track drop; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously.
Furthermore, when the lifting chassis is in the highest state, the front rotating arm is in contact with the limit switch, and the limit switch is in an on state and generates a signal.
Furthermore, when the lifting chassis descends, the front rotating arm is separated from the contact with the limit switch, and the limit switch is in an off state and does not generate signals any more.
Furthermore, the electronic control module is internally programmed with a program for realizing the following functions:
a. according to L (S) -left track lifting, L (J) -left track lowering, R (S) -right track lifting and R (J) -right track lowering; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously;
b. pressing any one of L (S) -left track lifting, R (S) -right track lifting and T (S) -left and right tracks lifting to lift the lifting chassis, contacting any two of the left and right limit switches with the front pull arm, opening the limit switches, pressing P (S) to lift the ridge breaker, and pressing P (J) to lower the ridge breaker, wherein the two commands can be realized by pressing corresponding keys;
c. when any one of the commands L (J), R (J) and T (J) is executed, the system automatically executes P (J) first under the control of the program of the electric control module, so that the ridge breaker is lowered to the lowest point; l (J), R (J), T (J) command delay is executed for 1-3 seconds (time can be freely set); the problem that the crawler belt is in contact with the ridge breaker to cause faults in the descending process of the lifting chassis is avoided;
d. if the limit switch is in the off state (namely when any one of the commands of L (J), R (J) and T (J) is started); under the control of the electric control module program, corresponding operations cannot be executed according to P (S) and P (J); thereby avoiding the contact with the crawler belt to cause the fault.
Has the beneficial effects that: according to the invention, when the lifting chassis of the harvester rises to the highest position, the ridge breaker can freely rise and fall, and the ridge breaking operation is completed; when an operator performs descending operation of the lifting chassis, the ridge breaker automatically acts on the N point in advance before the descending operation of the lifting chassis is performed, and the lifting chassis performs the descending operation at the moment, so that the fault caused by contact with the crawler is avoided; when the lifting chassis of the harvester is lowered to the lowest position above the ground, even if an operator mistakenly operates a rising command of the ridge breaker, the ridge breaker cannot rise to be in contact with the crawler belt, so that a fault is caused;
the lifting of the ridge breaker and the lifting of the lifting chassis are realized by utilizing the combined control of the hydraulic electromagnetic valve, the controller and the electric elements, and meanwhile, the faults caused by the contact and misoperation of the ridge breaker and the crawler in any form are avoided.
Drawings
FIG. 1 is a schematic structural view of a prior art lifting chassis in an elevated position;
FIG. 2 is a schematic view of a prior art lifting chassis in a low position;
FIG. 3 is a first schematic view of the structure of the independent assembly in the embodiment;
FIG. 4 is a schematic diagram of the structure of an independent assembly in the embodiment II (hiding a breaking shovel and a breaking shovel cylinder);
FIG. 5 is a schematic illustration of the hinge point position of the individual assemblies of the embodiment;
FIG. 6 is a schematic structural diagram of an electric control module in the embodiment;
in the figure: 1. the device comprises a ridger, 2 parts of an upper platform, 21 parts of a front mounting seat, 22 parts of a rear mounting seat, 3 parts of a lower wheel train, 4 parts of a front arm assembly, 41 parts of a front rotating arm, 42 parts of a front supporting arm, 5 parts of a ridger oil cylinder, 6 parts of a rear arm assembly, 61 parts of a rear rotating arm, 62 parts of a rear supporting arm, 7 parts of a chassis lifting oil cylinder, 8 parts of a pull rod, 9 parts of a driven crawler wheel, 10 parts of a crawler belt, 11 parts of a driving crawler wheel, 101 parts of a control panel, 102 parts of a limit switch, 103 parts of an electronic control module, 104 parts of a ridger electromagnetic valve, 105 parts of a crawler belt lifting electromagnetic valve.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 3-6, the combined control structure for chassis lifting and ridge breaker lifting of the combined harvester comprises an electric control module and two groups of symmetrically arranged independent assemblies, wherein each independent assembly comprises a ridge breaker 1, an upper platform 2 and a lower wheel train 3, a hinge point K is arranged in the middle of the upper platform 2, a front mounting seat 21 and a rear mounting seat 22 are respectively arranged at the front end and the rear end of the upper platform 2, a hinge point C and a hinge point D are arranged on the front mounting seat 21, and a hinge point G is arranged on the rear mounting seat 22; the front side of the lower wheel train 3 is provided with a hinge point E, the hinge point E is connected with a front arm assembly 4, the front arm assembly 4 comprises a front rotating arm 41 and a front supporting arm 42 which are rigidly connected, the joint of the front rotating arm 41 and the front supporting arm 42 is rotatably connected with a hinge point C on the front mounting seat 21, the ridge breaker 1 comprises a ridge breaker and a shovel handle, the middle part of the shovel handle is rotatably connected with the hinge point L, the hinge point L is positioned on an inner support of the crawler, the rear end of the shovel handle is provided with a hinge point F, and a ridge breaker oil cylinder 5 is connected between the hinge point F and the hinge point D; a hinge point H is arranged at the rear side of the lower wheel train 3, a rear arm assembly 6 is connected to the hinge point H, the rear arm assembly 6 comprises a rear rotating arm 61 and a rear arm 62 which are rigidly connected, the joint of the rear rotating arm 61 and the rear arm 62 is rotationally connected with a point G on the rear mounting seat 22, a hinge point J is arranged at the upper part of the rear rotating arm 61, a chassis lifting oil cylinder 7 is connected to the hinge point J, and the chassis lifting oil cylinder 7 is rotationally connected to the upper platform 2 through the hinge point K; a hinge point B is arranged at the upper part of the rear rotating arm 61 close to the hinge point K; the top end of the front rotating arm 41 is provided with a hinge point A, and a pull rod 8 is connected between the hinge point A and the hinge point B; the lower wheel train 3 and the rear mounting seat 22 are both provided with driven crawler wheels 9, the front mounting seat 21 is provided with driving crawler wheels 11, and crawler belts 10 are arranged outside the driven crawler wheels 9 and the driving crawler wheels 11;
The electric control module comprises a control panel 101, a limit switch 102, an electric control module 103, a ridge breaker electromagnetic valve 104 connected with a ridge breaker oil cylinder and a crawler lifting electromagnetic valve 105 connected with a chassis lifting oil cylinder, and the control panel is installed in a cab of the harvester; the control panel is connected with the electric control module, and the electric control module identifies an operation instruction input by the control panel and sends a control instruction to the electromagnetic valve of the ridge breaker and the crawler lifting electromagnetic valve; the limit switch is installed on a front installation seat of the upper platform, a contact of the limit switch 102 faces the front rotating arm 41, and the limit switch 102 is connected with the electronic control module 103 and sends a feedback signal to the electronic control module.
In this embodiment, the buttons on the control panel 101 include: p (S) -lifting a ridge breaker; p (J) -lowering the ridge breaker; l(s) -left track lift; l (j) -left track down; r(s) -right track lift; r (j) -right track down; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously.
In the embodiment, when the lifting chassis is in the highest state, the front rotating arm is contacted with the limit switch, and the limit switch is in an on state and generates a signal.
In this embodiment, when the lifting chassis descends, the front rotating arm is separated from the limit switch, and the limit switch is in an off state, and no signal is generated.
In this embodiment, the electronic control module is internally programmed with a program for implementing the following functions:
a. according to L (S) -left-side track lifting, L (J) -left-side track lowering, R (S) -right-side track lifting and R (J) -right-side track lowering; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously;
b. pressing any one of L (S) -left track lifting, R (S) -right track lifting and T (S) -left and right tracks lifting to lift the lifting chassis, contacting any two of the left and right limit switches with the front pull arm, opening the limit switches, pressing P (S) to lift the ridge breaker, and pressing P (J) to lower the ridge breaker, wherein the two commands can be realized by pressing corresponding keys;
c. when any one of the commands L (J), R (J) and T (J) is executed, the system automatically executes P (J) first under the control of the program of the electric control module, so that the ridge breaker is lowered to the lowest point; l (J), R (J), T (J) command delay is executed for 1-3 seconds (time can be freely set); the problem that the crawler belt is in contact with the ridge breaker to cause faults in the descending process of the lifting chassis is avoided;
d. if the limit switch is in the off state (namely when any one of the commands of L (J), R (J) and T (J) is started); under the control of the program of the electric control module, corresponding operations can not be executed according to P (S) and P (J); thereby avoiding the contact with the crawler belt to cause the fault.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A combined control structure for chassis lifting and ridge breaker lifting of a combined harvester comprises an electric control module and two groups of independent assemblies which are symmetrically arranged, and is characterized in that each independent assembly comprises a ridge breaker, an upper platform and a lower wheel train, a hinge point K is arranged in the middle of the upper platform, a front mounting seat and a rear mounting seat are respectively arranged at the front end and the rear end of the upper platform, a hinge point C and a hinge point D are arranged on the front mounting seat, and a hinge point G is arranged on the rear mounting seat; the front side of the lower wheel train is provided with a hinge point E, a front arm assembly is connected to the hinge point E, the front arm assembly comprises a front rotating arm and a front supporting arm which are in rigid connection, the joint of the front rotating arm and the front supporting arm is rotationally connected with a hinge point C on the front mounting seat, the ridge breaker comprises a ridge breaker and a shovel handle, the middle of the shovel handle is rotationally connected with the hinge point L, the hinge point L is positioned on an inner support of the crawler, the rear end of the shovel handle is provided with a hinge point F, and a ridge breaker oil cylinder is connected between the hinge point F and the hinge point D; the rear side of the lower wheel train is provided with a hinge point H, the hinge point H is connected with a rear arm assembly, the rear arm assembly comprises a rear rotating arm and a rear arm which are rigidly connected, the joint of the rear rotating arm and the rear arm is rotationally connected with a point G on the rear mounting seat, the upper part of the rear rotating arm is provided with a hinge point J, the hinge point J is connected with a chassis lifting oil cylinder, and the chassis lifting oil cylinder is rotationally connected to the upper platform through a hinge point K; a hinge point B is arranged at the upper part of the rear rotating arm close to the hinge point K; the top end of the front rotating arm is provided with a hinge point A, and a pull rod is connected between the hinge point A and the hinge point B; driven crawler wheels are arranged on the lower wheel train and the rear mounting seat, a driving crawler wheel is arranged on the front mounting seat, and crawler belts are arranged outside the driven crawler wheels and the driving crawler wheels;
The electric control module comprises a control panel, a limit switch, an electric control module, a ridge breaker electromagnetic valve connected with a ridge breaker oil cylinder and a crawler lifting electromagnetic valve connected with a chassis lifting oil cylinder, and the control panel is installed in a cab of the harvester; the control panel is connected with the electric control module, and the electric control module identifies an operation instruction input by the control panel and sends a control instruction to the electromagnetic valve of the ridge breaker and the crawler lifting electromagnetic valve; the limit switch is arranged on the front mounting seat of the upper platform, the contact of the limit switch faces the front rotating arm, and the limit switch is connected with the electric control module and sends a feedback signal to the electric control module.
2. A combined control structure for chassis lifting and ridge breaker lifting of a combined harvester according to claim 1, characterized in that the control panel is provided with buttons comprising: p (S) -lifting a ridge breaker; p (J) -lowering a ridge breaker; l(s) -left track lift; l (j) -left track down; r(s) -right side track lift; r (j) -right track down; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously.
3. A combined control structure for chassis lifting and ridge breaker lifting of a combine harvester according to claim 1, characterized in that when the lifting chassis is in the highest state, the front rotating arm contacts with the limit switch, and the limit switch is in an on state to generate a signal.
4. A combined control structure for chassis lifting and ridge breaker lifting of a combine harvester according to claim 1, characterized in that when the lifting chassis is lowered, the front rotating arm is out of contact with the limit switch, and the limit switch is in an off state and no signal is generated.
5. The combined control structure for chassis lifting and ridge breaker lifting of a combined harvester according to claim 1, characterized in that the electric control module is programmed with the following functions:
a. according to L (S) -left track lifting, L (J) -left track lowering, R (S) -right track lifting and R (J) -right track lowering; t (S) -the left and right tracks are lifted at the same time; t (J) -the left and right tracks descend simultaneously;
b. pressing any one of L (S) -left track lifting, R (S) -right track lifting and T (S) -left and right tracks lifting to lift the lifting chassis, at the moment, contacting any two of the left and right limit switches with the front pull arm, at the moment, opening the limit switches, at the moment, pressing P (S), lifting the ridge breaker, and pressing P (J), lowering the ridge breaker;
c. when any one of the commands L (J), R (J) and T (J) is executed, the system automatically executes P (J) first under the control of the program of the electric control module, so that the ridge breaker is lowered to the lowest point; l (J), R (J), T (J) command delay 1-3 seconds;
d. If the limit switch is in the off state, corresponding operations can not be executed according to P (S) and P (J) under the control of the program of the electric control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755878.1A CN111837598B (en) | 2020-07-31 | 2020-07-31 | Combined control structure for lifting chassis and lifting ridge breaker of combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010755878.1A CN111837598B (en) | 2020-07-31 | 2020-07-31 | Combined control structure for lifting chassis and lifting ridge breaker of combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111837598A CN111837598A (en) | 2020-10-30 |
| CN111837598B true CN111837598B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010755878.1A Active CN111837598B (en) | 2020-07-31 | 2020-07-31 | Combined control structure for lifting chassis and lifting ridge breaker of combine harvester |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112789995A (en) * | 2021-01-19 | 2021-05-14 | 江苏沃得农业机械股份有限公司 | Multifunctional integrated combine harvester |
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| JP2000000015A (en) * | 1998-06-16 | 2000-01-07 | Iseki & Co Ltd | Combine harvester |
| CN2814938Y (en) * | 2005-07-29 | 2006-09-13 | 山东福田重工股份有限公司 | Improved caterpillar-type combined harvester |
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| JP2009240205A (en) * | 2008-03-31 | 2009-10-22 | Iseki & Co Ltd | Pitching controller of combine harvester |
| CN202005128U (en) * | 2011-03-23 | 2011-10-12 | 山东大丰机械有限公司 | Field ridge breaking device of rice combine harvester |
| CN205196360U (en) * | 2015-12-09 | 2016-05-04 | 江苏沃得农业机械有限公司 | Track harvester liftable chassis device |
| CN108496565A (en) * | 2018-05-07 | 2018-09-07 | 江苏大学 | Combined harvester lifting crawler-type chassis |
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2020
- 2020-07-31 CN CN202010755878.1A patent/CN111837598B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11346537A (en) * | 1998-06-09 | 1999-12-21 | Iseki & Co Ltd | Traveling device |
| JP2000000015A (en) * | 1998-06-16 | 2000-01-07 | Iseki & Co Ltd | Combine harvester |
| CN2814938Y (en) * | 2005-07-29 | 2006-09-13 | 山东福田重工股份有限公司 | Improved caterpillar-type combined harvester |
| JP2009240205A (en) * | 2008-03-31 | 2009-10-22 | Iseki & Co Ltd | Pitching controller of combine harvester |
| CN201240341Y (en) * | 2008-06-06 | 2009-05-20 | 中机南方机械股份有限公司 | Debunker and combine-harvester equipped therewith |
| CN202005128U (en) * | 2011-03-23 | 2011-10-12 | 山东大丰机械有限公司 | Field ridge breaking device of rice combine harvester |
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| CN108496565A (en) * | 2018-05-07 | 2018-09-07 | 江苏大学 | Combined harvester lifting crawler-type chassis |
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| CN111837598A (en) | 2020-10-30 |
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