CN211406859U - Triangular chain type clamping seedling cutting system of small garlic harvester - Google Patents
Triangular chain type clamping seedling cutting system of small garlic harvester Download PDFInfo
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- CN211406859U CN211406859U CN201922281666.XU CN201922281666U CN211406859U CN 211406859 U CN211406859 U CN 211406859U CN 201922281666 U CN201922281666 U CN 201922281666U CN 211406859 U CN211406859 U CN 211406859U
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Abstract
The utility model relates to a triangular chain type clamping seedling cutting system of a small garlic harvester, which comprises a clamping arm, a seedling cutting device, a grain lifter and a guider; the clamping arms consist of an isosceles triangle conveying mechanism and a rectangular conveying mechanism, and a clamping channel is formed between the two clamping arms; the two seedling cutters are staggered up and down, a small gap is left between the two cutters, and the cutter shaft of the seedling cutter extends downwards for a certain distance, so that the garlic can be conveniently pressed close to the garlic to cut seedlings; the clamping channel and the transverse central line of the harvester form an included angle of 15-30 degrees, a feeding port of the clamping channel is located behind a limiting wheel of the harvester, the front end of a guide is located on the inner side of the limiting wheel, a grain lifter is parallel to the transverse central line of the harvester, the grain lifter and the guide are located on two sides of the clamping channel and form a certain included angle, the dug and guided garlic seedlings are guided into a clamping arm and are conveyed to the tail end of the clamping arm to be cut into garlic heads through a seedling cutting device.
Description
Technical Field
The utility model relates to the field of agricultural machinery, specifically disclose a seedling system is cut to small-size garlic harvester triangle-shaped chain centre gripping.
Background
The clamping seedling cutting system is the most important component of the garlic harvester, and whether the structure is reasonable or not determines the efficiency and quality of garlic harvesting. The seedling cutting knife of the existing garlic harvester is easy to wear when in use, and the arrangement of the clamping mechanism is unreasonable, so that the walking of the garlic harvester and the transmission of seedlings are influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a seedling system is cut to small-size garlic harvester triangle-shaped chain centre gripping.
The utility model adopts the technical proposal that: a triangular chain type clamping seedling cutting system of a small garlic harvester comprises a clamping arm, a seedling cutting device, a grain lifter and a guider; the clamping arms consist of an isosceles triangle conveying mechanism and a rectangular conveying mechanism, and a clamping channel is formed between the two clamping arms; the isosceles triangle conveying mechanism comprises a clamping triangle base plate, a clamping driving gear is rotatably arranged at the top angle of the clamping triangle base plate, and clamping driven gears are rotatably arranged at the two bottom angles; the clamping driving gear is in transmission connection with the two clamping driven gears through a chain to form a triangular transmission belt; the rectangular conveying mechanism comprises a clamping long base plate, one end of the clamping long base plate is rotatably provided with a clamping wheel driving wheel, the other end of the clamping long base plate is rotatably provided with a clamping driven gear, and the clamping long base plate and the clamping driven gear are in transmission connection through a chain; one of the isosceles triangular conveying mechanisms is parallel to the rectangular conveying mechanism, the clamping driven gears on the isosceles triangular conveying mechanisms are coaxially provided with seedling cutters, the clamping driven gears of the rectangular conveying mechanisms are coaxially provided with seedling cutters, the two seedling cutters are staggered up and down, a small gap is reserved between the two seedling cutters, and a cutter shaft of each seedling cutter extends downwards for a distance so as to be convenient to press close to garlic heads for cutting seedlings; the bottom angle of the other equal waist edge of the isosceles triangle transmission mechanism is fixedly connected with the grain lifter; the mounting end of the clamping driving gear for clamping the long base plate is fixedly connected with a guider, and the clamping seedling cutting system is connected with a rotating supporting arm of the harvester; in a normal state, an included angle of 15-30 degrees is formed between the clamping channel and the transverse central line of the harvester, the feeding port of the clamping channel is positioned behind the limiting wheel of the harvester, the front end of the guide is positioned on the inner side of the limiting wheel, the grain lifter is parallel to the transverse central line of the harvester, the grain lifter and the guide are positioned on two sides of the clamping channel and form a certain included angle, the dug garlic seedlings are guided into the clamping arms and are conveyed to the tail end by the clamping arms to be cut into garlic heads by the seedling cutting device.
The clamping driving gear is driven by a clamping driving system; the clamping driving system comprises a commutator, a carrier gear and a harvester power system; the shaft body of the clamping driving gear is connected with the shaft bodies of the intermediate gears through the shaft couplings respectively, the two intermediate gears are meshed, the shaft body of one of the intermediate gears is in key connection with a power output shaft of the reverser, a reverser driving wheel is installed on a power input shaft of the reverser, and the reverser driving wheel is connected with an output wheel of a harvester power system through a chain.
A gear mounting platform is arranged above the clamping arm, a shaft body of the carrier gear is rotatably connected with the gear mounting platform through a bearing, and the gear mounting platform is fixedly mounted on the clamping long base plate and the clamping triangular base plate through vertical supporting legs.
The clamping arm is also provided with a commutator support, the top of the commutator support is fixedly provided with a bearing seat, and a power input shaft of the commutator is rotationally connected with the bearing seat; and two supports are arranged at the lower part of the commutator support, one support is fixedly connected with the clamping triangular base plate, and the other support is fixedly connected with the rotating support arm of the harvester.
The clamping arm is further provided with a tensioning mechanism, and the tensioning mechanism comprises a clamping tensioning screw, a tensioning locking nut, a tensioning flange, a tensioning sliding block and a tensioning spring; the tensioning flange is welded with the clamping triangular base plate or the clamping long base plate, one end of the clamping tensioning screw rod is fixedly connected with a tensioning sliding block, the clamping tensioning screw rod penetrates through the tensioning flange, a tensioning spring is arranged between the tensioning flange and the tensioning sliding block, and one end, far away from the tensioning sliding block, of the clamping tensioning screw rod is provided with a tensioning locking nut; the clamping triangular substrate or the clamping long substrate is provided with a sliding chute, and the end part of the tensioning spring penetrates through the sliding chute and is fastened through a nut, so that the tensioning degree is convenient to adjust; the front end intercommunication of spout has the centre gripping wheel mounting groove, and centre gripping driven gear, bearing pass through the bolt and install in the centre gripping wheel mounting groove, and under the tensioning state, tensioning slider front end supports centre gripping drive gear, makes the tensioning be connected between wheel body and the chain. The two groups of tensioning mechanisms are arranged on the upper side and the lower side of the clamping arm respectively, so that the driven gear and the seedling cutter are prevented from being clamped to incline.
The seedling cutter consists of a seedling cutter base plate and a circular seedling cutter blade, a shaft is arranged at the center of the seedling cutter base plate and is connected with the clamping driving gear through the shaft, and the circular seedling cutter blade is fixedly connected with the seedling cutter base plate through a bolt.
The clamping arm is further provided with a chain tensioning device which comprises a tensioning wheel and a mounting seat, the tensioning wheel is rotatably connected with the mounting seat, the tensioning wheel is meshed with an inner side chain of a rectangular conveying mechanism of the isosceles triangle conveying mechanism, and the mounting seat is fixedly connected with a clamping triangle substrate and a clamping long substrate through bolts.
The utility model has the advantages that: the double-circular-ring-shaped cutter is adopted, so that the cutting efficiency is improved, a distance is reserved between the seedling cutting cutter and the bottom surface of the clamping arm, seedlings are prevented from being wound, the garlic seedling cutting cutter is convenient to attach to the root of garlic seedlings and is convenient for post-processing; and the transmission strength is improved by adopting a chain and gear structure. The utility model discloses compact structure, light in weight, low cost is fit for the garlic planting family of small-scale and buys the use, consequently has very big social and economic value.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the overall structure of the clamp arm.
Detailed Description
As shown in fig. 1 and 2, a triangular chain type clamping seedling cutting system of a small garlic harvester comprises a clamping arm 1, a seedling cutting device 2, a grain lifter 5 and a guider 6; the clamping arm 1 consists of an isosceles triangle conveying mechanism 3 and a rectangular conveying mechanism 4, and a clamping channel is formed between the two clamping arms; the isosceles triangle conveying mechanism 3 comprises a clamping triangle base plate 3-1, a clamping driving gear 3-2 is rotatably arranged at the top angle of the clamping triangle base plate 3-1, and a clamping driven gear 3-3 is rotatably arranged at the two bottom angles; the clamping driving gear 3-2 is in transmission connection with the two clamping driven gears 3-3 through a chain 3-4 to form a triangular transmission belt; the rectangular conveying mechanism 4 comprises a clamping long substrate 4-1, one end of the clamping long substrate 4-1 is rotatably provided with a clamping wheel driving wheel 4-2, the other end of the clamping long substrate 4-1 is rotatably provided with a clamping driven gear 4-3, and the clamping long substrate and the clamping driven gear are in transmission connection through a chain 4-4; one of the isosceles triangle conveying mechanisms 3 is parallel to the rectangular conveying mechanism 4, the clamping driven gear 3-3 on the isosceles triangle conveying mechanism is coaxially provided with a seedling cutter 2-1, the clamping driven gear 4-3 of the rectangular conveying mechanism 4 is coaxially provided with a seedling cutter 2-2, the two seedling cutters 2-1 and 2-2 are arranged in a vertically staggered manner, a small gap is reserved between the seedling cutters, and the cutter shafts of the seedling cutters 2-1 and 2-2 extend downwards for a distance, so that the garlic can be conveniently pressed close to the garlic to cut seedlings; the bottom angle of the other equal waist edge of the isosceles triangle transmission mechanism 3 is fixedly connected with the grain lifter 5; the mounting end of a clamping driving gear for clamping the long base plate 4-1 is fixedly connected with a guider 6, and the clamping seedling cutting system is connected with a rotating supporting arm 7-1 of a harvester 7; in a normal state, an included angle of 14-30 degrees is formed between the clamping channel and the transverse central line of the harvester 7, the feeding port of the clamping channel is positioned behind the limiting wheel 8 of the harvester 7, the front end of the guide 6 is positioned on the inner side of the limiting wheel 8, the grain lifter 5 is parallel to the transverse central line of the harvester 7, the grain lifter 5 and the guide 6 are positioned on two sides of the clamping channel and form a certain included angle, the dug garlic seedlings are guided into the clamping arm 1 and are conveyed to the tail end by the clamping arm 1 to be cut into garlic heads by the seedling cutting device 2.
As shown in fig. 1, the clamp drive gears 3-2, 4-2 are driven by a clamp drive system; the clamping driving system comprises a commutator 9, a carrier gear 10 and a harvester power system; the shaft bodies of the clamping driving gears 3-2 and 4-2 are respectively connected with the shaft bodies of the carrier gears 10 through shaft couplings, the two carrier gears 10 are meshed, the shaft body of one carrier gear 10 is in key connection with a power output shaft 9-1 of a reverser 9, a reverser driving wheel 9-3 is installed on a power input shaft 9-2 of the reverser 9, and the reverser driving wheel 9-3 is connected with an output wheel of a harvester power system through a chain 9-4.
As shown in fig. 1, a gear mounting platform 11 is arranged above the clamping arm 1, a shaft body of the carrier gear 10 is rotatably connected with the gear mounting platform 11 through a bearing, and the gear mounting platform 11 is fixedly mounted on the clamping long base plate 4-1 and the clamping triangular base plate 3-1 through vertical supporting legs 11-1.
As shown in fig. 1, a commutator support 12 is further mounted on the clamping arm 1, a bearing seat 13 is fixedly mounted at the top of the commutator support 12, and a power input shaft 9-2 of the commutator 9 is rotatably connected with the bearing seat 13; two brackets 12-1 are arranged at the lower part of the commutator support 12, wherein one bracket is fixedly connected with the clamping triangular base plate 3-1, and the other bracket 12-1 is fixedly connected with the rotating arm 7-1 of the harvester 7.
As shown in fig. 2, the clamping arm is further provided with a tensioning mechanism 14, and the tensioning mechanism 14 comprises a clamping tensioning screw 14-1, a tensioning locking nut, a tensioning flange 14-3, a tensioning slider 14-4 and a tensioning spring 14-2; the tensioning flange 14-3 is welded with the clamping triangular base plate 3-1 or the clamping long base plate 4-1, one end of the clamping tensioning screw 14-1 is fixedly connected with a tensioning sliding block 14-4, the clamping tensioning screw 14-1 penetrates through the tensioning flange 14-3, a tensioning spring 14-2 is arranged between the tensioning flange 14-3 and the tensioning sliding block 14-4, and one end of the clamping tensioning screw 14-1, which is far away from the tensioning sliding block 14-4, is provided with a tensioning locking nut; a sliding groove is formed in the clamping triangular substrate 3-1 or the clamping long substrate 4-1, and the end part of the tensioning spring 14-2 penetrates through the sliding groove and is fastened through a nut, so that the tensioning degree is convenient to adjust; the front end of the sliding groove is communicated with a clamping wheel mounting groove, bearings for clamping the driven gears 3-3 and 4-3 are mounted in the clamping wheel mounting groove through bolts, and the front end of the tensioning sliding block 14-4 abuts against the clamping driving gears 3-2 and 4-2 in a tensioning state, so that the wheel body is connected with the chain in a tensioning mode. The two groups of tensioning mechanisms 14 are arranged on the upper side and the lower side of the clamping arm 1 respectively to prevent the clamping driven gears 3-3 and 4-3 and the seedling cutting knife 2-1 from inclining.
As shown in figure 2, the seedling cutter 2-1 consists of a seedling cutter base plate 2-11 and a round seedling cutter blade 2-12, wherein a shaft is arranged at the center of the seedling cutter base plate 2-11 and is connected with a clamping driving gear 3-2 through the shaft, and the round seedling cutter blade 2-12 is fixedly connected with the seedling cutter base plate 2-11 through a bolt.
As shown in fig. 2, the clamping arm is further provided with a chain tensioning device 15, which comprises a tensioning wheel 15-1 and a mounting seat 15-2, the tensioning wheel 15-1 is rotatably connected with the mounting seat 15-2, the tensioning wheel 15-1 is meshed with the isosceles triangle transmission mechanism 3 and a chain on the inner side of the rectangular transmission mechanism 4, and the mounting seat 15-2 is fixedly connected with the clamping triangle base plate 3-1 and the clamping long base plate 4-1 through bolts.
Claims (7)
1. A triangular chain type clamping seedling cutting system of a small garlic harvester is characterized by comprising a clamping arm, a seedling cutting device, a grain lifter and a guider; the clamping arms consist of an isosceles triangle conveying mechanism and a rectangular conveying mechanism, and a clamping channel is formed between the two clamping arms; the isosceles triangle conveying mechanism comprises a clamping triangle base plate, a clamping driving gear is rotatably arranged at the top angle of the clamping triangle base plate, and clamping driven gears are rotatably arranged at the two bottom angles; the clamping driving gear is in transmission connection with the two clamping driven gears through a chain to form a triangular transmission belt; the rectangular conveying mechanism comprises a clamping long base plate, one end of the clamping long base plate is rotatably provided with a clamping wheel driving wheel, the other end of the clamping long base plate is rotatably provided with a clamping driven gear, and the clamping long base plate and the clamping driven gear are in transmission connection through a chain; one of the isosceles triangular conveying mechanisms is parallel to the rectangular conveying mechanism, the clamping driven gears on the isosceles triangular conveying mechanisms are coaxially provided with seedling cutters, the clamping driven gears of the rectangular conveying mechanisms are coaxially provided with seedling cutters, the two seedling cutters are staggered up and down, a small gap is reserved between the two seedling cutters, and a cutter shaft of each seedling cutter extends downwards for a distance so as to be convenient to press close to garlic heads for cutting seedlings; the bottom angle of the other equal waist edge of the isosceles triangle transmission mechanism is fixedly connected with the grain lifter; the mounting end of the clamping driving gear for clamping the long base plate is fixedly connected with a guider, and the clamping seedling cutting system is connected with a rotating supporting arm of the harvester; in a normal state, an included angle of 15-30 degrees is formed between the clamping channel and the transverse central line of the harvester, the feeding port of the clamping channel is positioned behind the limiting wheel of the harvester, the front end of the guide is positioned on the inner side of the limiting wheel, the grain lifter is parallel to the transverse central line of the harvester, the grain lifter and the guide are positioned on two sides of the clamping channel and form a certain included angle, the dug garlic seedlings are guided into the clamping arms and are conveyed to the tail end by the clamping arms to be cut into garlic heads by the seedling cutting device.
2. The triangular chain type clamping seedling cutting system of the small garlic harvester as claimed in claim 1, wherein the clamping driving gear is driven by a clamping driving system; the clamping driving system comprises a commutator, a carrier gear and a harvester power system; the shaft body of the clamping driving gear is connected with the shaft bodies of the intermediate gears through the shaft couplings respectively, the two intermediate gears are meshed, the shaft body of one of the intermediate gears is in key connection with a power output shaft of the reverser, a reverser driving wheel is installed on a power input shaft of the reverser, and the reverser driving wheel is connected with an output wheel of a harvester power system through a chain.
3. The triangular chain type clamping seedling cutting system of the small-sized garlic harvester as claimed in claim 1, wherein a gear mounting platform is arranged above the clamping arm, a shaft body of the intermediate gear is rotatably connected with the gear mounting platform through a bearing, and the gear mounting platform is fixedly mounted on the clamping long base plate and the clamping triangular base plate through vertical supporting legs.
4. The triangular chain type clamping seedling cutting system of the small garlic harvester as claimed in claim 1, wherein a commutator support is further mounted on the clamping arm, a bearing seat is fixedly mounted at the top of the commutator support, and a power input shaft of the commutator is rotatably connected with the bearing seat; and two supports are arranged at the lower part of the commutator support, one support is fixedly connected with the clamping triangular base plate, and the other support is fixedly connected with the rotating support arm of the harvester.
5. The triangular chain type clamping seedling cutting system of the small garlic harvester as claimed in claim 1, wherein the clamping arm is further provided with a tensioning mechanism, and the tensioning mechanism comprises a clamping tensioning screw, a tensioning locking nut, a tensioning flange, a tensioning slider and a tensioning spring; the tensioning flange is welded with the clamping triangular base plate or the clamping long base plate, one end of the clamping tensioning screw rod is fixedly connected with a tensioning sliding block, the clamping tensioning screw rod penetrates through the tensioning flange, a tensioning spring is arranged between the tensioning flange and the tensioning sliding block, and one end, far away from the tensioning sliding block, of the clamping tensioning screw rod is provided with a tensioning locking nut; the clamping triangular substrate or the clamping long substrate is provided with a sliding chute, and the end part of the tensioning spring penetrates through the sliding chute and is fastened through a nut, so that the tensioning degree is convenient to adjust; the front end of the sliding chute is communicated with a clamping wheel mounting groove, a bearing for clamping the driven gear is mounted in the clamping wheel mounting groove through a bolt, and the front end of the tensioning sliding block abuts against the clamping driving gear in a tensioning state so that the wheel body is connected with the chain in a tensioning manner; the two groups of tensioning mechanisms are arranged on the upper side and the lower side of the clamping arm respectively, so that the driven gear and the seedling cutter are prevented from being clamped to incline.
6. The triangular chain type clamping seedling cutting system of the small-sized garlic harvester as claimed in claim 1, wherein the seedling cutting knife is composed of a seedling cutting knife base plate and a circular seedling cutting knife blade, the center of the seedling cutting knife base plate is provided with a shaft, the shaft is connected with the clamping driving gear, and the circular seedling cutting knife blade is fixedly connected with the seedling cutting knife base plate through a bolt.
7. The triangular chain type clamping seedling cutting system of a small garlic harvester as claimed in claim 1, wherein the clamping arm is further provided with a chain tensioning device comprising a tensioning wheel and a mounting seat, the tensioning wheel is rotatably connected with the mounting seat, the tensioning wheel is engaged with a chain inside a rectangular conveying mechanism of the isosceles triangle conveying mechanism, and the mounting seat is fixedly connected with the triangular clamping base plate and the long clamping base plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281666.XU CN211406859U (en) | 2019-12-18 | 2019-12-18 | Triangular chain type clamping seedling cutting system of small garlic harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281666.XU CN211406859U (en) | 2019-12-18 | 2019-12-18 | Triangular chain type clamping seedling cutting system of small garlic harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211406859U true CN211406859U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281666.XU Active CN211406859U (en) | 2019-12-18 | 2019-12-18 | Triangular chain type clamping seedling cutting system of small garlic harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211406859U (en) |
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- 2019-12-18 CN CN201922281666.XU patent/CN211406859U/en active Active
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