CN109496528B - Stem block excavator - Google Patents
Stem block excavator Download PDFInfo
- Publication number
- CN109496528B CN109496528B CN201811387207.3A CN201811387207A CN109496528B CN 109496528 B CN109496528 B CN 109496528B CN 201811387207 A CN201811387207 A CN 201811387207A CN 109496528 B CN109496528 B CN 109496528B
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- Prior art keywords
- roller assembly
- frame body
- pinch roller
- frame
- pinch
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- 239000002689 soil Substances 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000003466 welding Methods 0.000 claims description 11
- 244000126211 Hericium coralloides Species 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000009194 climbing Effects 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 240000002234 Allium sativum Species 0.000 description 1
- 244000017020 Ipomoea batatas Species 0.000 description 1
- 235000002678 Ipomoea batatas Nutrition 0.000 description 1
- 244000088415 Raphanus sativus Species 0.000 description 1
- 235000006140 Raphanus sativus var sativus Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000004611 garlic Nutrition 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D17/00—Digging machines with sieving and conveying mechanisms
- A01D17/10—Digging machines with sieving and conveying mechanisms with smooth conveyor belts, lath bands or rake bands
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
- A01D33/08—Special sorting and cleaning mechanisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
Abstract
The invention discloses a stem block excavator, which comprises a frame body, wherein a lifting frame is fixedly arranged on the upper side of the front part of the frame body, a folding frame is fixedly arranged on the rear part of the frame body, a supporting rod is arranged below the lifting frame, a gear box assembly is arranged on the upper part of the frame body, the right side of the gear box assembly is matched with a pinch roller assembly through a small belt pulley, the left side of the pinch roller assembly is connected with a front link chain of the front part through chain transmission, the front link chain is in a lifting chain type structure, a shovel blade is fixedly arranged below the front part of the frame body through bolt connection, a soil pressing roller assembly is fixedly arranged on the frame body above the front link chain, a seedling pulling roller assembly is arranged on the upper part of the frame body, pull rod fixing plates are respectively fixedly arranged on two sides of the middle part of the frame body, the pull rod fixing plates are matched with the lifting frame of the frame body through pull rods, a deep roller assembly is arranged below the forefront part of the frame body, and a rear wheel is arranged below the rear part of the frame body; the invention has the advantages of good separation effect and wide application range.
Description
Technical Field
The invention belongs to the technical field of agricultural machinery, and particularly relates to a stem block excavator.
Background
Along with the development of agricultural mechanization, more and more tubers of agricultural products are harvested by mechanization, such as garlic, potato, radish, sweet potato and the like, and at present, tuber harvester products are more, and according to the working principle, the structure mainly comprises the following components: the digging shovel mainly comprises a fixed triangle shovel and a bar shovel, the separating device mainly comprises a toothed bar type separating device, an elevating chain type separating device, a swinging screen type separating device, a rotating drum type separating device and the like, the toothed bar type separating device has good soil crushing performance, but serious damage to crop tubers, the elevating chain type separating device has good separating effect, but easy abrasion of structural parts, high power consumption, good soil separating effect of the swinging screen type separating device, low adaptability to soil moisture content, reduced separating capacity of the screen along with the increase of soil humidity, easy adhesion of soil and blockage by crop stubbles, large consumption, easy damage to crop tubers, single function, narrow application range, poor harvesting quality and capability of meeting the requirements of agricultural modernization.
In order to solve the problems, it is necessary to develop a stem block excavator with good separation effect and wide application range.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a stem block excavator with good separation effect and wide application range.
The purpose of the invention is realized in the following way: the stem block excavator comprises a frame body, a lifting frame is fixedly arranged on the upper side of the front part of the frame body, a folding frame is fixedly arranged on the rear part of the frame body, a supporting rod is fixedly arranged below the front part of the frame body, a gearbox assembly is fixedly arranged on the rear part of the lifting frame, an output shaft is arranged on the right side of the gearbox assembly, the right part of the output shaft is fixedly arranged on the frame body through a belt seat bearing and a bolt, a pinion is fixedly arranged in the middle of the right side of the output shaft, a small belt pulley is fixedly arranged at the right end of the output shaft, the small belt pulley extends out of the right side surface of the frame body and is matched with the pinch roller assembly through a belt, the pinch roller assembly comprises a first pinch roller assembly, a second pinch roller assembly, a third pinch roller assembly and a fourth pinch roller assembly, the pinch roller assembly adopts a rotary drum structure, a pinch shaft is uniformly distributed on the middle part of the pinch roller assembly, a plurality of pinch plates are fixedly arranged on the pinch shaft, a plurality of edge pressing pipes are uniformly distributed on the pressing and conveying disc, the left end of the pressing and conveying roller assembly is fixedly provided with a double-row chain wheel, the right end of the second pressing and conveying roller assembly is fixedly provided with a large belt pulley, the large belt pulley is connected with the small belt pulley through a belt, the belt is connected with the first pressing and conveying roller assembly through a chain, the left front part of the second pressing and conveying roller assembly is connected with the third pressing and conveying roller assembly through a chain, the left side of the first pressing and conveying roller assembly is connected with the front-section chain of the front part through a chain transmission, the left side of the third pressing and conveying roller assembly is connected with the fourth pressing and conveying roller assembly of the rear part through a chain, the front-section chain adopts a lifting chain type structure, the lower part of the front part of the frame is fixedly provided with a scraper knife through a bolt connection, the upper part of the front-section chain is fixedly provided with a soil pressing roller assembly, the left end of the soil pressing roller assembly is fixedly provided with a first driving sprocket, the soil pressing roller assembly can move along the arc-shaped track of the left side plate and the right side plate, the seedling pulling roller assembly is arranged on the upper portion of the frame body through a bearing with a seat and a bolt, the seedling pulling roller assembly is positioned at the rear part of the gearbox assembly, the left end of the seedling pulling roller assembly is fixedly provided with a second driving sprocket, the middle part of the right side of the seedling pulling roller assembly is fixedly provided with a large gear, the large gear is meshed with a small gear, the two sides of the seedling pulling roller assembly are fixedly provided with first bevel gears, the two sides of the frame body are fixedly provided with seedling pulling rollers, the upper portion of the seedling pulling roller assembly is provided with a second bevel gear, the second bevel gears are meshed with the first bevel gears, the seedling pulling roller assembly is in transmission with the soil pressing roller assembly through a chain, the two sides of the middle part of the frame body are respectively fixedly provided with a pull rod fixing plate, the pull rod fixing plate is matched with a lifting frame of the frame body, the lower part of the foremost part of the frame body is provided with a deep roller assembly, the rear part of the frame body is provided with a rear wheel, the folding frame comprises a left folding frame and a right folding frame, two sides of the folding frame are fixedly provided with a first bevel gears, the left folding frame and a folding frame is provided with a folding pulley, the folding frame is provided with a folding pulley and a folding pulley is arranged inside a folding pulley 22, and folding down the folding frame is provided with a folding frame and folding frame. 15, the ratio of the number of teeth of the small gear to the number of teeth of the big gear is 22:38.
Further, the front part of the frame body is provided with a traction plate, and the traction plate and the lifting frame are arranged on the rear traction frame of the tractor through pin shafts.
Further, the transmission ratio of the first transmission sprocket to the second transmission sprocket is 1:1.
Further, the diameter ratio of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly is 12:15:17:17, the number ratio of the pinch edge tubes of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly is 8:10:11:11, and the center distances of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly are 280mm, 330mm to 380mm to 400mm respectively.
Further, the soil compacting roller assembly comprises a soil compacting roller welding part and a soil compacting roller support arm, wherein the soil compacting roller welding part is positioned in the frame body, and two sides of the soil compacting roller welding part are arranged on the support through the soil compacting roller support arm.
Further, the depth limiting roller assembly comprises a lifting arm, roller welds and a belt seat bearing, the belt seat bearing is fixedly arranged at the lower part of the lifting arm through bolt connection, the roller welds are arranged in the belt seat bearing, a plurality of fixing holes are formed in the left side surface and the right side surface of the upper part of the lifting arm, and the upper part of the lifting arm stretches into the supporting rod and is connected through a pin shaft.
Further, the rear wheel comprises a wheel body and a telescopic rod, the upper portion of the telescopic rod is fixedly arranged at the rear portion of the frame body, and the lower portion of the telescopic rod is provided with the wheel body through a pin shaft.
Further, a comb-tooth steel bar is arranged at the rear part of the shovel blade.
Further, the front to rear transmission ratio of the front link chain is 10:13.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
(1) The front-link chain climbing and pinch roller assembly is arranged, so that the harvested tubers are subjected to multiple shaking when passing through the front-link chain climbing or pinch roller assembly, and soil blocks adhered to the tubers are shaken off, and compared with a toothed bar structure, the separation effect is improved;
(2) Through the depth limiting roller assembly and the rear wheel assembly, the height of the shovel blade can be adjusted according to the depth of the harvested tubers, and the application range of the shovel blade is widened due to the fact that the growth depths of the tubers of different plants are different.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a left side view of the present invention after the left and right side panels are hidden.
Fig. 5 is a right side view of the present invention with the left and right side panels hidden.
Fig. 6 is a perspective view of the component 1 of the present invention.
Fig. 7 is a combined perspective view of the components 2, 3, 4, 5, 6 of the present invention.
In the figure: 1. the frame body 11, the lifting frame 12, the closing frame 13, the supporting rod 2, the gearbox assembly 21, the output shaft 22, the pinion 23, the small belt pulley 3, the pinch roller assembly 31, the first pinch roller assembly 32, the second pinch roller assembly 33, the third pinch roller assembly 34, the fourth pinch roller assembly 4, the front knuckle chain climbing 5, the soil pressing roller assembly 51, the first transmission chain wheel 52, the soil pressing roller welding 53, the soil pressing roller supporting arm 6, the seedling pulling roller assembly 61, the second transmission chain wheel 62, the large gear 63, the first bevel gear 64, the seedling pulling roller 65, the second bevel gear 7, the pull rod 8, the depth limiting roller assembly 81, the lifting arm 82, the roller welding 83, the belt seat bearing 9, the rear wheel 101, the pinch roller 102, the shovel 103, the left and right side plates 104, the pull rod fixing plate 105, the pull plate 301, the pinch shaft 302, the pinch plate 303, the pinch side pipe 304, the double row chain wheel 305, the large belt pulley 801, the fixing hole 121, the left closing frame 122, the right closing frame 1201 and the closing rod 1201.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
As shown in fig. 1-7, a stem block excavator comprises a frame body 1, a lifting frame 11 is fixedly arranged on the upper side of the front part of the frame body 1, a folding frame 12 is fixedly arranged on the rear part of the frame body 1, a supporting rod 13 is fixedly arranged below the front part of the frame body 1, a traction plate 105 is arranged on the front part of the frame body 1, the traction plate 105 and the lifting frame 11 are arranged on the rear traction frame of a tractor through pin shafts, a gearbox assembly 2 is fixedly arranged on the upper part of the frame body 1 and positioned on the rear part of the lifting frame 11, an output shaft 21 is arranged on the right side of the gearbox assembly 2, a pinion 22 is fixedly arranged in the middle of the right side of the output shaft 21, a small belt pulley 23 is fixedly arranged at the right end of the output shaft 21, the small belt pulley 23 extends out of the right side of the frame body 1, the small belt pulley 23 is matched with a pinch roller assembly 3 through a belt, the pinch roller assembly 3 comprises a first pinch roller assembly 31, a second pinch roller assembly 32, a third pinch roller assembly 33 and a fourth pinch roller assembly 34, the pinch roller assembly 3 adopts a drum type structure, the middle part of the pinch roller assembly 3 is provided with a pinch shaft 301, a plurality of pinch plates 302 are uniformly and fixedly arranged on the pinch shaft 301, a plurality of pinch edge tubes 303 are uniformly and fixedly arranged on the pinch plates 302, the left end of the pinch roller assembly 3 is fixedly provided with a double-row chain wheel 304, the right end of the second pinch roller assembly 32 is fixedly provided with a large belt pulley 305, the large belt pulley 305 is connected with the small belt pulley 23 through a belt, the belt is connected with the first pinch roller assembly 31 through a chain transmission, the left front part of the second pinch roller assembly 32 is connected with the third pinch roller assembly 33 through a chain transmission, the left side of the first pinch roller assembly 32 is connected with a front-section chain climbing 4 at the front part through chain transmission, the left side of the third pinch roller assembly 33 is connected with a fourth pinch roller assembly 34 at the rear part through chain transmission, the front-section chain climbing 4 adopts an elevating chain type structure, and the transmission ratio of the front part and the rear part of the front-section chain climbing 4 is 10:13, so that when harvested tubers move backwards on the front-section chain climbing 4, the attached soil can be primarily shaken off; the lower part of the front part of the frame body 1 is fixedly provided with a shovel blade 102 through bolt connection, and the rear part of the shovel blade 102 is provided with comb-tooth steel bars, so that the comb-tooth steel bars play a role in carding tubers of plants, and can remove redundant soil, thereby reducing power consumption during working; the frame body 1 on the upper part of the front chain climbing 4 is fixedly provided with a soil pressing roller assembly 5, the left end of the soil pressing roller assembly 5 is fixedly provided with a first driving chain wheel 51, the soil pressing roller assembly 5 also comprises a soil pressing roller welding 52 and a soil pressing roller support arm 53, the soil pressing roller welding 52 is positioned in the frame body 1, two sides of the soil pressing roller welding 52 are arranged on the frame 1 through the soil pressing roller support arm 53, the soil pressing roller assembly 5 can move along the arc-shaped track of the left side plate 103 and the right side plate 103, the upper part of the frame body 1 is provided with a seedling pulling roller assembly 6 through a belt seat bearing and a bolt, the seedling pulling roller assembly 6 is positioned at the rear part of the gearbox assembly 2, the left end of the seedling pulling roller assembly 6 is fixedly provided with a second driving chain wheel 61, the middle part on the right side of the seedling pulling roller assembly 6 is fixedly provided with a large gear 62, the large gear 62 is meshed with the small gear 22, the seedling pulling roller assembly 6 is fixedly provided with first bevel gears 63 on two sides, the seedling pulling roller 64 is fixedly arranged on two sides of the frame body 1, a second bevel gear 65 is arranged on the upper portion of the seedling pulling roller 64, the second bevel gear 65 is meshed with the first bevel gear 63, the seedling pulling roller assembly 6 and the soil pressing roller assembly 5 are driven through chains, pull rod fixing plates 104 are fixedly arranged on two sides of the middle of the frame body 1 respectively, the pull rod fixing plates 104 are matched with the lifting frame 11 of the frame body 1 through pull rods 7, a limited deep roller assembly 8 is arranged below the forefront part of the frame body 1, a rear wheel 9 is arranged below the rear part of the frame body 1, the folding frame 12 comprises a left folding frame 121 and a right folding frame 122, folding rods 1201 are uniformly distributed on the left side of the left folding frame 121, the folding rods 1201 are provided with bends towards the inside of the frame body 1, and the transmission ratio of the small belt pulley 23 to the large belt pulley 305 is 22:15, the ratio of the number of teeth of the pinion 22 to the bull gear 62 is 22:38.
The gear ratio of the first drive sprocket 51 and the second drive sprocket 61 is 1:1.
As shown in fig. 1-7, the diameter ratio of the first pinch roller assembly 31, the second pinch roller assembly 32, the third pinch roller assembly 33 and the fourth pinch roller assembly 34 is 12:15:17:17, the number ratio of the edge pressing pipes 303 of the first pinch roller assembly 31, the second pinch roller assembly 32, the third pinch roller assembly 33 and the fourth pinch roller assembly 34 is 8:10:11:11, and the center distances of the first pinch roller assembly 31, the second pinch roller assembly 32, the third pinch roller assembly 33 and the fourth pinch roller assembly 34 are 280mm, 330mm, 380mm and 400mm respectively, so that the minimum intervals of the pinch roller assemblies 3 are 39mm, and the tubers are prevented from falling while the attached soil on the surface of the tubers is shaken off cleanly; the depth limiting roller assembly 8 comprises a lifting arm 81, a roller seam 82 and a seat bearing 83, wherein the seat bearing 83 is fixedly arranged at the lower part of the lifting arm 81 through bolt connection, the roller seam 82 is arranged in the seat bearing 83, a plurality of fixing holes 801 are formed in the left side surface and the right side surface of the upper part of the lifting arm 81, the upper part of the lifting arm 81 stretches into a supporting rod 13 and is connected through a pin shaft, and the height of the depth limiting roller assembly 8 from the ground is adjusted by adjusting the position of the hole penetrated by the supporting rod 13 on the lifting arm 81.
As shown in fig. 1-7, the rear wheel 9 comprises a wheel body 91 and a telescopic rod 92, the upper part of the telescopic rod 92 is fixedly arranged at the rear part of the frame body 1, the lower part of the telescopic rod 92 is provided with the wheel body 91 through a pin shaft, and the depth limiting roller assembly 8 is regulated in an auxiliary manner by regulating the height of the rear wheel 9, so that the telescopic rod is suitable for tubers with different depths.
When the tractor is used, firstly, the tractor is arranged at the rear part of the tractor through the lifting frame 11 and the traction plate 105; then, according to different harvested plants, the heights of the depth limiting roller assembly 8 and the rear wheel 9 are adjusted, so that the shovel blade 102 can completely shovel out tubers without damaging the tubers; finally, under the action of the gearbox assembly 2, the seedling pulling roller assembly 6 is driven to rotate through the meshing of the pinion 22 and the large gear 62, and the seedling pulling roller assembly 6 drives the seedling pulling roller 64 to rotate through the meshing of the first bevel gear 63 and the second bevel gear 65 so as to prevent the plant stems from winding; meanwhile, the second driving chain wheel 61 drives the first driving chain wheel 51 to rotate through chain transmission to drive the soil pressing roller assembly 5 to rotate, so that the height of the mixture of soil blocks and tubers shoveled by the shovel blade 102 is fixed, and the phenomenon of uneven stress during rear working caused by overhigh height is prevented; in addition, the small belt pulley 23 drives the large belt pulley 305 to rotate through belt transmission, so that the pinch roller assembly 3 rotates, and meanwhile, the front chain is driven to climb 4 to rotate through chain transmission, so that the aim of conveying a mixture of soil blocks and tubers backwards is fulfilled, and finally, the tubers are separated from soil through the action of the pinch roller assembly 3, and the tubers are concentrated in the middle of the rear under the action of the collecting frame 12, so that the subsequent collection is facilitated; the invention has good separation effect through multistage transmission, and simultaneously, the invention is suitable for different plants through the depth limiting roller assembly 8 and the rear wheel 9.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention without departing from the spirit and scope of the present invention, and all modifications and equivalents are intended to be included in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a stem block excavator, includes support body, its characterized in that: the upper side of the front part of the frame body is fixedly provided with a lifting frame, the rear part of the frame body is fixedly provided with a folding frame, the lower part of the front part of the frame body is fixedly provided with a supporting rod, the upper part of the frame body and the rear part of the lifting frame are fixedly provided with a gearbox assembly, the right side of the gearbox assembly is provided with an output shaft, the right part of the output shaft is fixedly arranged on the frame body through a belt seat bearing and a bolt, the middle part of the right side of the output shaft is fixedly provided with a pinion, the right end of the output shaft is fixedly provided with a small belt pulley, the small belt pulley extends out of the right side of the frame body, the small belt pulley is matched with a pinch roller assembly through a belt, the pinch roller assembly comprises a first pinch roller assembly, a second pinch roller assembly, a third pinch roller assembly and a fourth pinch roller assembly, the pinch roller assembly adopts a drum type structure, the middle part of the pinch roller assembly is provided with a pinch shaft, a plurality of pinch discs are uniformly distributed and fixedly arranged on the pinch shaft, a plurality of edge pressing pipes are uniformly distributed on the pressing and conveying disc, the left end of the pressing and conveying roller assembly is fixedly provided with a double-row chain wheel, the right end of the second pressing and conveying roller assembly is fixedly provided with a large belt pulley, the large belt pulley is connected with the small belt pulley through a belt, the belt is connected with the first pressing and conveying roller assembly through a chain, the left front part of the second pressing and conveying roller assembly is connected with the third pressing and conveying roller assembly through a chain, the left side of the first pressing and conveying roller assembly is connected with the front-section chain of the front part through a chain transmission, the left side of the third pressing and conveying roller assembly is connected with the fourth pressing and conveying roller assembly of the rear part through a chain, the front-section chain adopts a lifting chain type structure, the lower part of the front part of the frame is fixedly provided with a scraper knife through a bolt connection, the upper part of the front-section chain is fixedly provided with a soil pressing roller assembly, the left end of the soil pressing roller assembly is fixedly provided with a first driving chain wheel, the soil pressing roller assembly can move along the arc-shaped track of the left side plate and the right side plate, the upper part of the frame body is provided with a seedling pulling roller assembly through a bearing with a seat and a bolt, the seedling pulling roller assembly is positioned at the rear part of the gearbox assembly, the left end of the seedling pulling roller assembly is fixedly provided with a second driving chain wheel, the middle part of the right side of the seedling pulling roller assembly is fixedly provided with a large gear which is meshed with a small gear, the two sides of the seedling pulling roller assembly are fixedly provided with first bevel gears, the two sides of the frame body are fixedly provided with seedling pulling rollers, the upper part of the seedling pulling roller is provided with a second bevel gear which is meshed with the first bevel gear, the seedling pulling roller assembly and the soil pressing roller assembly are driven through a chain, the two sides of the middle part of the frame body are respectively fixedly provided with a pull rod fixing plate which is matched with a lifting frame of the frame body through a pull rod, the lower part of the forefront part of the frame body is provided with a depth limiting roller assembly, the depth limiting roller assembly comprises a lifting arm, a roller seam and a belt seat bearing, the lower part of the lifting arm is fixedly provided with the belt seat bearing through bolt connection, the roller seam is arranged in the belt seat bearing, the left side surface and the right side surface of the upper part of the lifting arm are provided with a plurality of fixing holes, the upper part of the lifting arm stretches into a supporting rod and then is connected through a pin shaft, the rear part of the frame body is provided with a rear wheel, the rear wheel comprises a wheel body and a telescopic rod, the upper part of the telescopic rod is fixedly arranged at the rear part of the frame body, the lower part of the telescopic rod is provided with a wheel body through a pin shaft, the folding frame comprises a left folding frame and a right folding frame, the left side of the left folding frame is uniformly provided with folding rods, the folding rods are provided with bends towards the inside of the frame body, and the transmission ratio of the small belt pulley to the large belt pulley is 22:15, the ratio of the number of teeth of the small gear to the number of teeth of the big gear is 22:38.
2. A stick shovel according to claim 1, wherein: the front part of the frame body is provided with a traction plate, and the traction plate and the lifting frame are arranged on the rear traction frame of the tractor through pin shafts.
3. A stick shovel according to claim 1, wherein: the transmission ratio of the first transmission chain wheel to the second transmission chain wheel is 1:1.
4. A stick shovel according to claim 1, wherein: the diameter ratio of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly is 12:15:17:17, the number ratio of the pinch edge tubes of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly is 8:10:11:11, and the center distances of the first pinch roller assembly to the second pinch roller assembly to the third pinch roller assembly to the fourth pinch roller assembly are 280mm, 330mm to 380mm to 400mm respectively.
5. A stick shovel according to claim 1, wherein: the soil compacting roller assembly further comprises a soil compacting roller welding part and a soil compacting roller support arm, wherein the soil compacting roller welding part is positioned in the frame body, and two sides of the soil compacting roller welding part are arranged on the support through the soil compacting roller support arm.
6. A stick shovel according to claim 1, wherein: the rear part of the shovel blade is provided with a comb-tooth steel bar.
7. A stick shovel according to claim 1, wherein: the transmission ratio of the front part to the rear part of the front chain is 10:13.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811387207.3A CN109496528B (en) | 2018-11-21 | 2018-11-21 | Stem block excavator |
Applications Claiming Priority (1)
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CN201811387207.3A CN109496528B (en) | 2018-11-21 | 2018-11-21 | Stem block excavator |
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CN109496528A CN109496528A (en) | 2019-03-22 |
CN109496528B true CN109496528B (en) | 2023-12-26 |
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CN201811387207.3A Active CN109496528B (en) | 2018-11-21 | 2018-11-21 | Stem block excavator |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111642220B (en) * | 2020-06-24 | 2022-06-03 | 萧县威辰机电工程设备有限公司 | Potato harvesting device with recycling function |
CN112514629A (en) * | 2020-12-19 | 2021-03-19 | 徐州盛耘农业发展有限公司 | Harvester for garlic and peanuts |
CN116195423A (en) * | 2023-04-11 | 2023-06-02 | 湖南农业大学 | Allium chinense harvester |
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FR1000551A (en) * | 1946-02-28 | 1952-02-13 | A method of pulling, sorting and bagging potatoes and a machine for implementing this method | |
RU2195103C2 (en) * | 2000-12-13 | 2002-12-27 | Максимов Леонид Михайлович | Separating module for transforming potato digger into root harvester |
CN2551009Y (en) * | 2002-02-23 | 2003-05-21 | 孙星钊 | Harvester for root and tuber crops |
KR200353995Y1 (en) * | 2004-04-02 | 2004-06-23 | 대한민국(관리부서:농촌진흥청) | A bulb harvester |
CN2730093Y (en) * | 2004-06-23 | 2005-10-05 | 秦现增 | Machine for digging root tuber |
CN204652968U (en) * | 2015-04-13 | 2015-09-23 | 王占领 | Before push away the support harvesting apparatus of rolling support formula excavating machine of underground tuber crawler belt reaping machine |
CN209710718U (en) * | 2018-11-21 | 2019-12-03 | 河南豪丰农业装备有限公司 | One seedling stem block excavator |
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