CN220422441U - Automatic steering system for rice transplanter - Google Patents
Automatic steering system for rice transplanter Download PDFInfo
- Publication number
- CN220422441U CN220422441U CN202322293535.XU CN202322293535U CN220422441U CN 220422441 U CN220422441 U CN 220422441U CN 202322293535 U CN202322293535 U CN 202322293535U CN 220422441 U CN220422441 U CN 220422441U
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- steering
- clutch
- assembly
- gear
- rice transplanter
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 24
- 235000009566 rice Nutrition 0.000 title claims abstract description 24
- 240000007594 Oryza sativa Species 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 241000209094 Oryza Species 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Guiding Agricultural Machines (AREA)
Abstract
The utility model belongs to the technical field of rice transplanting machines, and particularly relates to an automatic steering system for a rice transplanting machine, which comprises a steering assembly, wherein the steering assembly comprises a steering wheel and a steering shaft fixed at the bottom of the steering wheel, a steering gear is connected at the bottom of the steering shaft in a meshed manner, a connecting rod mechanism is arranged on the steering gear, a transmission assembly is connected on the connecting rod mechanism, and the connecting rod mechanism and the transmission assembly can cut off or connect the power of wheels in the steering operation process and comprises a steering rocker arm arranged on the steering gear. According to the steering device, the steering assembly and the transmission assembly are adopted, the traditional braking process is not needed during steering operation, and the wheel power is effectively cut off while the steering device rotates 01, so that the steering process is smoother and simpler, the operation burden of a driver is reduced, the smoother steering experience is provided for the driver, and meanwhile, the design is simple in structure and low in cost.
Description
Technical Field
The utility model belongs to the technical field of rice transplanting machines, and particularly relates to an automatic steering system for a rice transplanting machine.
Background
When the rice transplanter is operated in the field, the rice transplanter needs to turn around and move to an adjacent rice transplanting starting position when the rice transplanter is operated to the ridge side each time, and turning operation is frequent. However, the braking operation is performed to reduce the speed of the rear wheels to complete the steering operation every time the steering is performed, which is complicated and greatly increases the operation amount of the driver.
Disclosure of Invention
The utility model aims to provide an automatic steering system for a rice transplanter, which can provide a mechanism capable of cutting off power of a steering side rear wheel by operating a steering wheel and smoothly turning without braking operation.
The technical scheme adopted by the utility model is as follows:
an automatic steering system for a rice transplanter comprises a steering assembly, wherein the steering assembly comprises a steering wheel and a steering shaft fixed at the bottom of the steering wheel, a steering gear is connected at the bottom of the steering shaft in a meshed mode, a connecting rod mechanism is arranged on the steering gear, a transmission assembly is connected to the connecting rod mechanism, and the power of wheels can be cut off or connected in the steering operation process through the connecting rod mechanism and the transmission assembly.
The connecting rod mechanism comprises a steering rocker arm arranged on a steering gear, both ends of the steering rocker arm are rotationally connected with side clutch rods, one end, far away from the steering rocker arm, of each side clutch rod is provided with a connecting metal piece, one end, far away from the side clutch rods, of each connecting metal piece is provided with a side clutch arm, and each side clutch arm is connected with a transmission assembly.
The transmission assembly comprises a left transmission shaft connected with the output end of the rice transplanter, a spline hub is arranged on the outer side of one end of the left transmission shaft, the spline hub is connected with the left transmission shaft in a meshed mode through a clutch assembly, and the side clutch arm is connected with the clutch assembly.
The clutch assembly comprises clutch plates positioned between the left transmission shaft and the spline hub and friction plates matched with the clutch plates, a clutch box is arranged on the clutch plates, a first gear is connected to the outer side of the clutch box in a meshed mode, a second gear is connected to the outer side of the first gear in a meshed mode, and the clutch assembly can cut off or connect the meshing between the spline hub and the left transmission shaft in the steering operation process.
The outside of side clutch arm is provided with the cam, the cam on the side clutch arm is connected with the collar, the collar slides in the outside of left transmission shaft, and is connected with the spline hub.
And a side clutch spring is further arranged between the spline hub and the left transmission shaft.
The utility model has the technical effects that:
according to the utility model, through the steering assembly and the transmission assembly, the traditional braking procedure is not needed during steering operation, and the effect of effectively cutting off the power of the wheels while rotating the steering wheel is realized, so that the steering process is smoother and simpler. This not only reduces the operator's operational burden, but also provides a smoother steering experience for the operator, and at the same time, the design is simple in structure and low in cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the transmission assembly of the present utility model;
FIG. 3 is a schematic view of a side clutch arm of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a steering wheel; 2. a steering shaft; 3. a steering gear; 4. a steering rocker arm; 5. a side clutch lever; 6. connecting metal pieces; 7. a side clutch arm; 8. a first gear; 9. a clutch case; 10. a friction plate; 11. a clutch plate; 12. a side clutch spring; 13. a spline hub; 14. a collar; 15. a left transmission shaft; 16. and a second gear.
Detailed Description
The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.
As shown in fig. 1-3, an automatic steering system for a rice transplanter comprises a steering assembly, wherein the steering assembly comprises a steering wheel 1 and a steering shaft 2 fixed at the bottom of the steering wheel 1, a steering gear 3 is connected at the bottom of the steering shaft 2 in a meshed manner, a connecting rod mechanism is arranged on the steering gear 3, when the steering wheel 1 is operated to rotate in the right side A direction, the steering wheel 1 drives the steering shaft 2 to rotate in the right side A direction as well, and because the steering shaft 2 is meshed with the steering gear 3, when the steering shaft 2 rotates in the right side A direction, the steering gear 3 drives the connecting rod mechanism to rotate in the left side B direction in the opposite direction;
the connecting rod mechanism is connected with a transmission component, and the power of the wheels can be cut off or connected in the steering operation process through the connecting rod mechanism and the transmission component.
Referring to fig. 1, the link mechanism includes a steering rocker arm 4 mounted on a steering gear 3, both ends of the steering rocker arm 4 are rotatably connected with a side clutch lever 5, one end of the side clutch lever 5 away from the steering rocker arm 4 is mounted with a connecting metal piece 6, and one end of the connecting metal piece 6 away from the side clutch lever 5 is mounted with a side clutch arm 7, and the side clutch arm 7 is connected with a transmission assembly.
When the steering wheel 1 is operated to rotate in the right side A direction, the steering gear 3 drives the steering rocker 4 to rotate in the reverse direction to the left side B direction, and the steering rocker 4 rotates to drive the side clutch lever 5 to rotate the side clutch arm 7 on the right side through the connecting metal piece 6, so that the power of the rear wheels on the right side is cut off;
referring to fig. 2, the transmission assembly comprises a left transmission shaft 15 connected with the output end of the rice transplanter, a spline hub 13 is arranged on the outer side of one end of the left transmission shaft 15, the spline hub 13 is connected with the left transmission shaft 15 in a meshed manner through a clutch assembly, and the side clutch arm 7 is connected with the clutch assembly.
The clutch assembly comprises a clutch plate 11 positioned between a left transmission shaft 15 and a spline hub 13 and a friction plate 10 matched with the clutch plate, a clutch box 9 is arranged on the clutch plate 11, a first gear 8 is connected to the outer side of the clutch box 9 in a meshed manner, a second gear 16 is connected to the outer side of the first gear 8 in a meshed manner, and the clutch assembly can cut off or connect the meshing between the spline hub 13 and the left transmission shaft 15 in the steering operation process;
when the rice transplanter is in normal straight, the steering wheel 1 does not need to rotate, and the friction plates 10 and the clutch plates 11 are pressed tightly to generate friction force. The spline hub 13 is engaged with the left drive shaft 15, the clutch case 9 is engaged with the first gear 8, and the power transmission is transmitted in the following order:
the left transmission shaft 15, the spline hub 13, the clutch plate 11, the friction plate 10, the clutch box 9, the first gear 8 and the second gear 16 are sequentially transmitted.
Referring to fig. 2 and 3, the outside of the side clutch arm 7 is provided with a cam, the cam on the side clutch arm 7 is connected with a collar 14, and the collar 14 slides on the outside of the left drive shaft 15 and is connected with the spline hub 13.
When the steering wheel 1 is operated to rotate rightwards, the right side clutch arm 7 can be driven to rotate through the connecting rod mechanism, the bearing is driven to press the shaft collar 14 under the cam action of the side clutch arm 7, the spline hub 13 is pushed leftwards through the shaft collar 14, a gap is generated between the friction plate 10 and the clutch plate 11, the friction force disappears, the power of the wheel at the rear of the right side is cut off, and the steering can be smoothly carried out;
a side clutch spring 12 is also arranged between the spline hub 13 and the left transmission shaft 15;
when the steering wheel 1 is operated to return, the cam mechanism of the side clutch arm 7 no longer presses the spline hub 13, the spline hub 13 is pushed to the right under the tension of the side clutch spring 12, the friction plate 10 and the clutch plate 11 are compressed again, friction force is generated, and rear wheel power is recovered.
When the power of the rear wheels is recovered, the spline hub 13 is meshed with the left transmission shaft 15, the clutch box 9 is meshed with the first gear 8, and the power transmission is transmitted in the order of the left transmission shaft 15, the spline hub 13, the clutch plate 11, the friction plate 10, the clutch box 9, the first gear 8 and the second gear 16.
In conclusion, the steering assembly and the transmission assembly can effectively cut off the power of the wheels during steering operation, so that the steering process is smoother. After the steering is finished, the system can quickly resume power transmission so as to ensure the safety and fluency of driving operation. Meanwhile, the design has the advantages of simple structure and convenient installation, so that the design has wide popularization and application potential in the field of rice transplanting machines.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (6)
1. An automatic steering system for a rice transplanter comprises a steering assembly, wherein the steering assembly comprises a steering wheel (1) and a steering shaft (2) fixed at the bottom of the steering wheel (1), and a steering gear (3) is connected to the bottom of the steering shaft (2) in a meshed manner, and is characterized in that: the steering gear (3) is provided with a connecting rod mechanism, the connecting rod mechanism is connected with a transmission assembly, and the power of the wheels can be cut off or connected in the steering operation process through the connecting rod mechanism and the transmission assembly.
2. An automatic steering system for a rice transplanter according to claim 1, wherein: the connecting rod mechanism comprises a steering rocker arm (4) arranged on a steering gear (3), both ends of the steering rocker arm (4) are rotationally connected with a side clutch lever (5), one end, far away from the steering rocker arm (4), of the side clutch lever (5) is provided with a connecting metal piece (6), one end, far away from the side clutch lever (5), of the connecting metal piece (6) is provided with a side clutch arm (7), and the side clutch arm (7) is connected with a transmission assembly.
3. An automatic steering system for a rice transplanter according to claim 2, wherein: the transmission assembly comprises a left transmission shaft (15) connected with the output end of the rice transplanter, a spline hub (13) is arranged on the outer side of one end of the left transmission shaft (15), the spline hub (13) is connected with the left transmission shaft (15) in a meshed mode through a clutch assembly, and the side clutch arm (7) is connected with the clutch assembly.
4. An automatic steering system for a rice transplanter according to claim 3, wherein: the clutch assembly comprises clutch plates (11) located between a left transmission shaft (15) and a spline hub (13) and friction plates (10) matched with the clutch plates, a clutch box (9) is mounted on the clutch plates (11), a first gear (8) is connected to the outer side of the clutch box (9) in a meshed mode, a second gear (16) is connected to the outer side of the first gear (8) in a meshed mode, and through the clutch assembly, meshing between the spline hub (13) and the left transmission shaft (15) can be cut off or connected in the steering operation process.
5. An automatic steering system for a rice transplanter according to claim 4, wherein: the outside of side clutch arm (7) is provided with the cam, the cam on side clutch arm (7) is connected with collar (14), the outside of left transmission shaft (15) is slided in collar (14), and is connected with spline hub (13).
6. An automatic steering system for a rice transplanter according to claim 5, wherein: a side clutch spring (12) is further arranged between the spline hub (13) and the left transmission shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322293535.XU CN220422441U (en) | 2023-08-25 | 2023-08-25 | Automatic steering system for rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322293535.XU CN220422441U (en) | 2023-08-25 | 2023-08-25 | Automatic steering system for rice transplanter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220422441U true CN220422441U (en) | 2024-02-02 |
Family
ID=89702444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322293535.XU Active CN220422441U (en) | 2023-08-25 | 2023-08-25 | Automatic steering system for rice transplanter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220422441U (en) |
-
2023
- 2023-08-25 CN CN202322293535.XU patent/CN220422441U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |