CN111937594A - Mower cutter lifting device based on parallel four-bar mechanism - Google Patents
Mower cutter lifting device based on parallel four-bar mechanism Download PDFInfo
- Publication number
- CN111937594A CN111937594A CN202011021555.6A CN202011021555A CN111937594A CN 111937594 A CN111937594 A CN 111937594A CN 202011021555 A CN202011021555 A CN 202011021555A CN 111937594 A CN111937594 A CN 111937594A
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- rod
- pressure spring
- rack
- hinged
- bolt
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 6
- 239000002420 orchard Substances 0.000 abstract description 13
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 5
- 238000009333 weeding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/18—Safety devices for parts of the machines
- A01D75/185—Avoiding collisions with obstacles
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a mower cutter lifting device based on a parallel four-bar mechanism, which mainly comprises an electric push rod, a first rod, a second rod, a pressure spring central rod, a guide rail and a sliding block, wherein the electric push rod is connected with the first rod through a first connecting rod; the bottom end of the electric push rod is hinged with the fixed rod, and the inner rod of the electric push rod is hinged with the first rod; two ends of the first rod in the horizontal direction are hinged with the second rod; a through hole is formed in the corner of the second rod, the second rod is mounted on the rack through a fixing bolt, and the other end of the second rod is hinged with the sliding block; the sliding block is arranged on the guide rail in a sliding manner; the guide rail is fixed on the cutter head through a bolt; four vertical through holes are formed in the front of and in the rear of the rack and used for installing a pressure spring center rod and a pressure spring. The invention adopts the combination of the pressure spring and the parallel four-bar mechanism to adjust the position of the cutter head of the mower, thereby realizing the adjustment of the height of the cut stubble, having the advantages of simple structure, convenient and stable adjustment, neat remained stubble and the like, effectively avoiding the collision of the cutter, prolonging the service life of the cutter, reducing the missed cutting rate, and improving the mowing efficiency and the mowing quality of an orchard.
Description
Technical Field
The invention belongs to the technical field of orchard machinery, and particularly relates to a mower cutter lifting device based on a parallel four-bar mechanism.
Background
With the rapid development of the orchard industry in China, the planting scale of the orchard is continuously enlarged, and the weeding workload of the orchard is increased. In China, orchards are mostly planted in hilly and mountainous areas and have fluctuant terrain, the existing weeding mode mostly adopts universal orchard weeding machines, and the universal weeding machines have the advantages that the stubble cutting height is not adjustable, and the cutter is easy to hit when in use; some adjust through the vertical distance between frame and the supporting wheel and cut a stubble height, this kind of regulative mode need adjust a plurality of supporting wheels, wastes time and energy, adjusts the structure complicacy, and has the problem that blade disc and ground are not parallel, greatly influences the operating quality, adaptation hillside orchard operational environment that can not be fine.
Therefore, the mower cutter lifting device based on the parallel four-bar mechanism needs to be developed, the stubble cutting height can be freely adjusted, the structure is simple, the adjustment is fast and convenient, and the stubble cutting is ensured to be tidy, so that the missed cutting rate is reduced, the cutter collision is effectively avoided, the service life of the cutter is prolonged, and the mowing quality of an orchard is improved.
Disclosure of Invention
Aiming at the problems, the invention provides a mower cutter lifting device based on a parallel four-bar mechanism. The invention adopts the combination of the parallel four-bar mechanism and the pressure spring to adjust the upper position and the lower position of the cutter head of the mower, thereby realizing the height adjustment of the cut stubble, having the advantages of tidy cut stubble, simple structure, convenient adjustment and the like, greatly shortening the height adjustment time of the cut stubble, and improving the mowing efficiency and the mowing quality of an orchard.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mower cutter lifting device based on a parallel four-bar mechanism comprises a battery box (1), a pressure spring center rod (2), a pressure spring (3), a fixing rod (4), a connecting piece (5), an electric push rod (6), a rod I (7), a rod II (8), a fixing bolt (9), a rack (10), a bolt (11), a control box (12), a cutter (13), a guide rail (14) and a sliding block (15);
the control box (12) is arranged on the front side of the rack (10) and used for placing control elements; the battery box (1) is arranged on the rear side of the rack (10) and used for placing a battery pack for providing power for the electric push rod (6);
the pressure spring center rod (2) penetrates through a through hole of the rack (10), the lower end of the pressure spring center rod is installed on the cutter head (13), and a through hole is reserved at the upper end of the pressure spring center rod and used for installing a bolt (11); the compression spring (3) is sleeved on the compression spring center rod (2), the lower end of the compression spring center rod is in contact with the rack (10), and the upper end of the compression spring center rod is fixed through a bolt (11); the four groups of compression spring center rods (2) and compression springs (3) are arranged, and each two groups of compression springs are symmetrically distributed on the front side and the rear side of the rack (10); the arrangement can lead the lifting process of the cutter head (13) to be more stable and avoid the jumping of the lifting process of the cutter head (13);
the fixed rods (4) are arranged on the left side and the right side of the rack (10), and the electric push rods (6) are hinged with the fixed rods (4) at a certain angle through the connecting pieces (5); an inner rod of the electric push rod (6) is hinged with the first rod (7) through a bolt (11); two ends of the first rod (7) in the horizontal direction are hinged with the second rod (8) through a bolt (11); a through hole is formed in the corner of the second rod (8), and the second rod is installed on a rack (10) through a fixing bolt (9); the other end of the second rod (8) is hinged with the sliding block (15), and a connecting point at the corner of the two second rods (8) and a hinged point of the two sliding blocks (15) form a parallelogram; the sliding block (15) is arranged on the guide rail (14) in a sliding manner; the guide rail (14) is fixed on the cutter head (13) through a bolt; the fixed rod (4), the connecting piece (5), the electric push rod (6), the first rod (7), the second rod (8), the guide rail (14) and the sliding block (15) are symmetrically distributed on the left side and the right side of the rack (10);
the invention has the beneficial effects that:
through the technical scheme, the device can well adapt to the complex terrain characteristics of hillside orchards, and the parallel four-bar mechanism is driven to move by the electric push rod (6), so that the height of the cut stubble is adjusted, the adjusting mode is convenient and fast, and the left stubble is tidy; meanwhile, the pressure spring (3) is arranged, so that the stability of the lifting process of the cutter head (13) is greatly enhanced, and the mowing quality is improved; in addition, the mower cutter lifting device also has the advantages of simple structure, flexible height adjustment and the like.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a mower cutter lifting device based on a parallel four-bar mechanism for adjusting a cutter to the lowest position;
FIG. 2 is a schematic structural diagram of a mower cutter lifting device based on a parallel four-bar mechanism for adjusting a cutter to the highest position;
FIG. 3 is a control flow chart of a mower cutter lifting device based on a parallel four-bar mechanism according to the present invention;
in the figure: 1. a battery box; 2. a pressure spring center rod; 3. a pressure spring; 4. fixing the rod; 5. a connecting member; 6. an electric push rod; 7. a first rod; 8. a second rod; 9. fixing the bolt; 10. a frame; 11. a bolt; 12. a control box; 13. a cutter head; 14. a guide rail; 15. a slide block.
The specific implementation mode is as follows:
the invention is further explained below with reference to the drawings and the detailed description:
a mower cutter lifting device based on a parallel four-bar mechanism comprises a battery box 1, a pressure spring central rod 2, a pressure spring 3, a fixed rod 4, a connecting piece 5, an electric push rod 6, a rod I7, a rod II 8, a fixed bolt 9, a rack 10, a bolt 11, a control box 12, a cutter 13, a guide rail 14 and a slide block 15;
the control box 12 is arranged on the front side of the frame 10 and used for placing control elements; the battery box 1 is arranged at the rear side of the frame 10 and is used for placing a battery pack for providing power for the electric push rod 6;
the pressure spring center rod 2 penetrates through a through hole of the rack 10, the lower end of the pressure spring center rod is installed on the cutter head 13, and a through hole is reserved at the upper end of the pressure spring center rod and used for installing the bolt 11; the compression spring 3 is sleeved on the compression spring center rod 2, the lower end of the compression spring is in contact with the rack 10, and the upper end of the compression spring is fixed in position through a bolt 11; the four groups of compression spring center rods 2 and compression springs 3 are arranged, and each two groups of compression springs are symmetrically distributed on the front side and the rear side of the rack 10;
the fixed rods 4 are arranged on the left side and the right side of the rack 10, and the electric push rods 6 are hinged with the fixed rods 4 at a certain angle through the connecting pieces 5; an inner rod of the electric push rod 6 is hinged with the first rod 7 through a bolt 11; through holes are formed in the two ends of the first rod 7 in the horizontal direction and hinged with the second rod 8 through bolts 11; a through hole is formed in the corner of the second rod 8 and is installed on the rack through a fixing bolt 9; the other end of the second rod 8 is hinged with the sliding block 15, and a connecting point at the corner of the second rods 8 and a hinged point of the two sliding blocks 15 form a parallelogram; the sliding block 15 is slidably mounted on the guide rail 14; the guide rail 14 is fixed on the cutter head 13 through bolts; the fixed rod 4, the connecting piece 5, the electric push rod 6, the first rod 7, the second rod 8, the guide rail 14 and the slide block 15 are symmetrically distributed on the left side and the right side of the rack 10;
the working principle is as follows: when an operator adjusts the height of the cutter head 13 according to the requirement of the change of the orchard terrain in the operation process of the mower in the orchard, the remote controller is used for sending a cutter head lifting instruction to the mower, and the electric push rods 6 on the two sides are controlled to simultaneously extend or contract so as to drive the first rod 7 to move, the second rod 8 rotates around the fixing bolt 9 and drives the sliding block 15 to slide on the guide rail 14, so that the cutter head 13 is lifted, the lowest position can be adjusted to the position shown in the figure 1, the highest position can be adjusted to the position shown in the figure 2, and the height range of the remained stubbles; in the lifting process of the cutter head 13, the lower end of the pressure spring 3 is always in contact with the rack 10, the upper end of the pressure spring is in contact with the bolt 11, the elastic force of the pressure spring 3 acts on the cutter head 13 through the bolt 11 and the pressure spring central rod 2, the stable lifting of the cutter head 13 is ensured, and the jumping is avoided; meanwhile, the pressure spring center rod 2 penetrates through a through hole of the rack 10 to be fixedly connected with the cutter head 13, and the fixing bolt 9 penetrates through a through hole of the second rod 8 to be fixedly connected with the rack 10, so that the cutter head 13 cannot move in the horizontal direction and can only move up and down in the vertical direction.
The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, and improvements made on the spirit and principle of the present invention should be included in the protection scope of the present invention according to the above description.
Claims (1)
1. The invention discloses a mower cutter lifting device based on a parallel four-bar mechanism, which specifically comprises: the device comprises a battery box, a pressure spring central rod, a pressure spring, a fixed rod, a connecting piece, an electric push rod, a rod I, a rod II, a fixed bolt, a rack, a bolt, a control box, a cutter head, a guide rail and a slide block;
the method is characterized in that:
the control box is arranged on the front side of the rack; the battery box is arranged on the rear side of the rack;
the center rod of the pressure spring penetrates through the through hole of the rack, the lower end of the center rod is installed on the cutter head, and the upper end of the center rod is provided with a through hole for installing a bolt; the pressure spring is sleeved on a pressure spring center rod, the lower end of the pressure spring is in contact with the rack, and the upper end of the pressure spring is fixed in position through a bolt; the four groups of pressure spring center rods and pressure springs are arranged, and each two groups of pressure springs are symmetrically distributed on the front side and the rear side of the rack;
the fixed rods are arranged on the left side and the right side of the rack, and the electric push rods are hinged with the fixed rods through connecting pieces; an inner rod of the electric push rod is hinged with the first rod through a bolt; two ends of the first rod in the horizontal direction are hinged with the second rod through bolts; a through hole is formed in the corner of the second rod and is installed on the rack through a fixing bolt; the other end of the second rod is hinged with the sliding block, and a connecting point at the corner of the two second rods and a hinged point of the two sliding blocks form a parallelogram; the sliding block is arranged on the guide rail in a sliding manner; the guide rail is fixed on the cutter head through a bolt; the fixed rod, the connecting piece, the electric push rod, the first rod, the second rod, the guide rail and the slide block are symmetrically distributed on the left side and the right side of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021555.6A CN111937594A (en) | 2020-09-25 | 2020-09-25 | Mower cutter lifting device based on parallel four-bar mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021555.6A CN111937594A (en) | 2020-09-25 | 2020-09-25 | Mower cutter lifting device based on parallel four-bar mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111937594A true CN111937594A (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011021555.6A Pending CN111937594A (en) | 2020-09-25 | 2020-09-25 | Mower cutter lifting device based on parallel four-bar mechanism |
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| Country | Link |
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| CN (1) | CN111937594A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207414A (en) * | 2021-04-29 | 2021-08-06 | 四川犍小茉科技有限公司 | Weeding robot |
| CN113892333A (en) * | 2021-09-29 | 2022-01-07 | 农业农村部南京农业机械化研究所 | Weeding robot |
-
2020
- 2020-09-25 CN CN202011021555.6A patent/CN111937594A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113207414A (en) * | 2021-04-29 | 2021-08-06 | 四川犍小茉科技有限公司 | Weeding robot |
| CN113892333A (en) * | 2021-09-29 | 2022-01-07 | 农业农村部南京农业机械化研究所 | Weeding robot |
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Application publication date: 20201117 |