CN107493806B - Harvesting device suitable for highland barley spike and stem split-flow harvesting - Google Patents
Harvesting device suitable for highland barley spike and stem split-flow harvesting Download PDFInfo
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- CN107493806B CN107493806B CN201710947307.6A CN201710947307A CN107493806B CN 107493806 B CN107493806 B CN 107493806B CN 201710947307 A CN201710947307 A CN 201710947307A CN 107493806 B CN107493806 B CN 107493806B
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- spike
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- 235000007340 Hordeum vulgare Nutrition 0.000 title claims abstract description 56
- 238000003306 harvesting Methods 0.000 title claims abstract description 24
- 240000005979 Hordeum vulgare Species 0.000 title 1
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 241000209219 Hordeum Species 0.000 claims abstract description 55
- 210000005069 ears Anatomy 0.000 claims abstract description 20
- 235000013339 cereals Nutrition 0.000 claims abstract description 14
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 239000010902 straw Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 241000209140 Triticum Species 0.000 description 4
- 235000021307 Triticum Nutrition 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 240000007594 Oryza sativa Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 241000510672 Cuminum Species 0.000 description 1
- 240000003433 Miscanthus floridulus Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000004459 forage Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/02—Self-propelled combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F2012/188—Rethreshing devices
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention relates to the field of agricultural machinery, in particular to a harvesting device suitable for split-flow harvesting of highland barley ears and stems. The straw harvester comprises a frame and a bracket, wherein a reel and a cutter are arranged on the bracket, a chain clamping and conveying mechanism is arranged between the bracket and the frame and is used for conveying stalks which are cut off by the cutter and are arranged in rows under the action of the reel towards the frame, a multilayer flail knife mechanism which is used for separating the stalks from the heads of the ears and crushing the stalks is arranged below the tail end of the chain clamping and conveying mechanism on the frame, a stalk conveying mechanism is arranged below the multilayer flail knife mechanism, and a straw collecting and bundling mechanism is arranged at the tail end of the stalk conveying mechanism; the tail end of the chain clamping and conveying mechanism on the frame is provided with a spike conveying mechanism, and the tail end of the spike conveying mechanism is provided with a highland barley spike threshing mechanism. The invention has simple structure and low cost, can realize double harvest of grains and grass, and is suitable for the characteristics of highland barley ears so as to improve the separation efficiency and quality.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a harvesting device suitable for split-flow harvesting of highland barley ears and stems.
Background
Highland barley is an important food crop and is mainly distributed in the areas of Tibet, qinghai, sichuan Cuminum, abamer and the like in China. Highland barley has wide application, and the grains are the main grains of local residents, and the stalks are the main local feed. When the rice and wheat combine harvester is used, the wheat and grass cannot be separated, and the requirement of farmers on double harvest of grain and grass cannot be met, so that the highland barley spike is still manually harvested, separated from the highland barley stalk, and then threshed through rice and wheat threshing equipment.
On the other hand, the highland barley spike has ultralow straw-grain ratio, and the threshing equipment for rice and wheat in the prior art is heavy, low in efficiency, energy-wasting and high in price, and has the functions of removing stalks and large impurities, and can only be arranged.
In conclusion, the planting production of highland barley in China is severely restricted due to the lack of related agricultural machinery equipment.
Disclosure of Invention
The invention aims to provide a harvesting device which has a simple structure and low cost, can realize double harvest of grains and grass, is suitable for the characteristics of highland barley ears, thereby improving the separation efficiency and the quality of highland barley seeds and is suitable for diversion harvest of highland barley ears and stems.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a harvesting apparatus suitable for highland barley ear stem reposition of redundant personnel results, includes the frame and sets up at the frame advancing direction front end and the bracket that is connected with the frame, is equipped with on the bracket to be used for the reel of stirring the stalk towards the frame direction and is used for cutting off the stalk by the bottom, its characterized in that: a chain clamping and conveying mechanism which inclines towards the direction of the frame is arranged between the bracket and the frame and is used for conveying stalks which are cut off by a cutter and arranged in rows under the action of a reel towards the direction of the frame, a multi-layer flail knife mechanism which is used for separating the stalks from the heads of spikes and can crush the stalks is arranged below the tail end of the chain clamping and conveying mechanism on the frame, a stalk conveying mechanism is arranged below the multi-layer flail knife mechanism, and a grass collecting and bundling mechanism is arranged at the tail end of the stalk conveying mechanism; the tail end of the chain clamping and conveying mechanism on the frame is also provided with a spike conveying mechanism, and the tail end of the spike conveying mechanism is provided with a highland barley spike threshing mechanism.
Preferably, the highland barley ear of grain head threshing mechanism includes the first drive shaft of vertical setting, and the lower extreme rotation of first drive shaft sets up in the frame that is located the frame, and the middle part of first drive shaft is coaxial to be equipped with the cylinder, and the periphery cover of cylinder is equipped with lower extreme and frame fixed connection's a fixed section of thick bamboo, forms friction threshing gap between the outer peripheral face of cylinder and the inner peripheral face of fixed section of thick bamboo.
Preferably, the highland barley spike threshing mechanism further comprises a repeated threshing unit for screening and repeating threshing spikes which are not threshed after passing through the friction threshing gap, the repeated threshing unit comprises a sieve plate, a spike guide plate, a spike stirring plate, a spike collecting box and a belt conveyor, the sieve plate is connected with the lower end of the fixed cylinder along the circumferential direction, the spike guide plate is arranged on the inner circumferential surface of the fixed cylinder and used for guiding the spikes falling from the friction threshing gap towards the middle part of the sieve plate, the spike stirring plate is arranged on the first driving shaft and above the sieve plate, the spike stirring plate stirs the spikes gathered in the middle part of the sieve plate and stirs the spikes which are not threshed in the spikes towards the outer edge of the sieve plate in the rotation process along with the first driving shaft, a first opening for the spikes to pass through is arranged at the outer edge of the sieve plate, the spike collecting box is connected with the first opening, the feeding end of the belt conveyor is arranged in the spike collecting box, the discharging end is arranged above the friction threshing gap, and a plurality of vertical conveying belts are arranged at intervals.
Preferably, the roller and the fixed cylinder are both tapered with the large end facing the frame, the taper of the roller is larger than that of the fixed cylinder, the width of the upper end of the friction threshing gap is 10-20mm, and the width of the lower end of the friction threshing gap is 5-10mm.
Preferably, a spiral protrusion for assisting threshing is provided on the outer circumferential surface of the drum.
Preferably, the first driving shaft is coaxially provided with a spike guiding cone positioned at the top end of the roller and used for uniformly feeding the spike at the tail end of the spike conveying mechanism towards the friction threshing gap.
Preferably, a cleaning mechanism is arranged below the screen plate on the frame and comprises a negative pressure fan, an aggregate cone hopper and a seed discharging pipe arranged at the lower end of the aggregate cone hopper, an air inlet pipe of the negative pressure fan is connected with the seed discharging pipe, and an air outlet pipe is arranged as a small impurity discharging pipe.
Preferably, a plurality of groups of chain clamping and conveying mechanisms are uniformly arranged between the frame and the bracket at intervals, each chain clamping and conveying mechanism comprises two closed annular chains which are arranged in parallel, a gap between the two closed annular chains forms a conveying channel of the stalk, and a plurality of convex teeth for clamping the highland barley manhole cover are arranged at intervals on the periphery of the closed annular chains.
Preferably, the gap between the two closed loop chains near one end of the frame is smaller than the gap near one end of the bracket.
Preferably, the multi-layer flail knife mechanism comprises a second driving shaft which is vertically arranged, and a plurality of disc-shaped cutters are axially arranged on the second driving shaft at intervals; a blocking cylinder is arranged on the periphery of the second driving shaft, a second opening for the stalk to enter is arranged on one side of the blocking cylinder along the height direction, and the bottom end of the blocking cylinder is open and corresponds to the stalk conveying mechanism.
Advantageous effects
The highland barley stalk harvester is simple and light in structure, convenient to use and high in practicability, the highland barley stalks are cut off from the roots and then lifted to the frame through the chain clamping conveying mechanism, the multilayer flail knife mechanism is arranged on the frame, the highland barley stalks and the scion heads can be separated and crushed, the scion heads enter the highland barley scion head threshing mechanism through the scion head conveying mechanism to be threshed, the highland barley scion stalk harvester can be suitable for diversion harvesting, the miscanthus, grass and grain are separated, the requirement of farmers on grain and grass double harvest is met, the straw harvesting quality is improved, the forage grass source in the Tibetan area is increased, and the economic development of highland barley planting areas is very facilitated.
The highland barley ear head threshing mechanism has the advantages of simple structure, easy manufacture, low cost, strong functionality and high mechanical automation degree, can efficiently finish threshing of highland barley ears with ultralow grass-to-grain ratio, and is beneficial to large-area planting popularization and production of highland barley. The friction threshing is carried out through the friction threshing gap between the roller and the fixed cylinder in the rotation process of the roller, so that the problem of high breakage rate caused by beating or rolling threshing in the prior art can be reduced. In the preferred embodiment of the invention, a repeated threshing mechanism for screening and repeating threshing of highland barley ears which are not threshing after friction threshing gaps is further arranged, so that broken ears and small ears repeatedly pass through friction between a roller and a fixed cylinder to perform threshing, thereby having lower grain loss rate. And the repeated threshing mechanism can ensure that the friction threshing gap is properly wide, thereby being more beneficial to reducing the breaking rate and improving the quality of highland barley grains.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of a part of a highland barley spike threshing mechanism of the invention;
FIG. 3 is a schematic view of the chain gripping and conveying mechanism portion of the present invention;
the marks in the figure: 1. frame, 2, bracket, 3 reel, 4, cutter, 5, chain clamping conveying mechanism, 501, closed annular chain, 502, convex tooth, 6, multilayer flail knife mechanism, 601, second driving shaft, 602, disc cutter, 603, blocking cylinder, 7, stalk conveying mechanism, 8, grass collecting bundling mechanism, 9, ear head conveying mechanism, 10, ultra-low grass valley ratio reasoning mechanism, 1001, first driving shaft, 1002, frame, 1003, roller, 1004, fixed cylinder, 1005, friction threshing gap, 1006, sieve plate, 1006-1, first opening, 1007, knockout guide plate, 1008, knockout toggle plate, 1009, ear head collecting box, 1010, belt conveyor, 1010-1, conveying belt, 1010-2, baffle, 1011, spiral bulge, 1012, ear head guide cone, 11, cleaning mechanism 1101, negative pressure fan, 1101-1, small impurity discharge pipe, 1102, collecting cone, seed grain discharge pipe.
Detailed Description
As shown in fig. 1 to 3, the harvesting device suitable for split-flow harvesting of highland barley ears and stems comprises a frame 1 and a bracket 2 arranged at the front end of the frame 1 in the advancing direction, wherein a reel 3 for stirring stalks towards the frame 1 and a cutter 4 for cutting the stalks from the bottom are arranged on the bracket 2. The bracket 2 is also provided with a depth-limiting wheel for adjusting the height of the bracket 2.
A plurality of chain clamping and conveying mechanisms 5 which incline towards the direction of the frame 1 are arranged between the bracket 2 and the frame 1 in parallel, and the chain clamping and conveying mechanisms 5 are used for conveying stalks which are cut off by the cutter 4 and are arranged in rows under the action of the reel 3 towards the frame 1. Any one of the chain clamping and conveying mechanisms 5 comprises two closed annular chains 501 which are arranged in parallel, a gap between the two closed annular chains 501 forms a conveying channel of the stalks, a plurality of convex teeth 502 used for clamping highland barley well covers are arranged at intervals on the periphery of the closed annular chains 501, the rotation directions of the two closed annular chains 501 are opposite in the running process, and the highland barley stalks are conveyed towards the direction of the frame 1 by matching with the opposite outer edges of the two closed annular chains 501 and the corresponding convex teeth 502.
In the embodiment, the gap between the two closed annular chains 501 near one end of the frame 1 is smaller than the gap near one end of the bracket 2, so that the clamping force of the highland barley stalks is loose when the highland barley stalks are positioned at the starting end of the chain clamping and conveying mechanism 5, and the highland barley stalks slide downwards under the action of gravity until the heads of the spikes on the highland barley stalks are clamped on the chain clamping and conveying mechanism 5; the clamping force is stronger when the chain clamping conveying mechanism is positioned at the tail end of the chain clamping conveying mechanism 5, which is beneficial to the cutting-off of the stalks and the heads by the follow-up mechanism.
A multi-layer flail knife mechanism 6 for separating and crushing the stalks and the heads is arranged below the tail end of the chain clamping and conveying mechanism 5 on the frame 1, and a stalk conveying mechanism 7 is arranged below the multi-layer flail knife mechanism 6. The multi-layer flail knife mechanism 6 comprises a second driving shaft 601 which is vertically arranged, and a plurality of disc-shaped cutters 602 are axially arranged on the second driving shaft 601 at intervals; a blocking cylinder 603 is provided on the outer circumference of the second driving shaft 601, and a second opening through which the stalks enter is provided on one side of the blocking cylinder 603 in the height direction. The bottom end of the retaining cylinder 603 is open and corresponds to the stalk conveying mechanism 7. After entering the blocking cylinder 603 through the second opening, the highland barley stalks are crushed through high-speed rotation of the plurality of disc cutters, and meanwhile, the highland barley stalks and the cobs are separated.
The tail end of the stalk conveying mechanism 7 is provided with a grass collecting and bundling mechanism 8, and the collection of highland barley stalks is completed through the grass collecting and bundling mechanism 8.
The tail end of the chain clamping and conveying mechanism 5 on the frame 1 is provided with a spike conveying mechanism 9, and the tail end of the spike conveying mechanism 9 is provided with a highland barley spike threshing mechanism 10. The highland barley ear of grain head threshing mechanism 10 includes the first drive shaft 1001 of vertical setting, and the lower extreme rotation of first drive shaft 1001 sets up on being located the frame 1002 of frame 1, and the upper end is equipped with the driving motor that drives first drive shaft 1001 pivoted. A drum 1003 is coaxially provided in the middle of the first drive shaft 1001, a fixed cylinder 1004 having a lower end fixedly connected to the frame 1002 is provided around the drum 1003, and a friction threshing gap 1005 is formed between the outer peripheral surface of the drum 1003 and the inner peripheral surface of the fixed cylinder 1004. Highland barley ears are fed from the top of a friction threshing gap 1005 after passing through an ear conveyor, and are rubbed by the differential action between the roller 1003 and a fixed cylinder 1004 in the rotation process of the roller 1003, so that threshing is completed.
The roller 1003 and the fixed cylinder 1004 are made of rubber materials, have certain elasticity, can reduce the breaking rate and improve the threshing quality. The spiral protrusion 1011 for assisting threshing is arranged on the outer circumferential surface of the roller 1003, the spiral protrusion 1011 is also made of rubber material, and is integrally formed with the roller 1003, thereby being convenient for processing and manufacturing.
The roller 1003 and the fixed cylinder 1004 are tapered with the large end facing the frame 1002, and the taper of the roller 1003 is larger than that of the fixed cylinder 1004. The width of the upper end of the friction threshing gap 1005 is 10-20mm, so that highland barley ears can be accommodated therein, seeds on the ears are gradually separated in the threshing process, the width of the lower end of the friction threshing gap 1005 is 5-10mm, highland barley seeds smoothly pass through, larger ears are blocked from passing through, and larger highland barley ears are repeatedly threshed between the friction threshing gaps 1005.
A head guide cone 1012 for feeding the head at the end of the head conveyor 9 uniformly toward the friction threshing gap 1005 is coaxially provided on the first drive shaft 1001 at the top end of the drum 1003. The ear guide cone 1012 can rotate along with the first driving shaft 1001, and evenly feeds the ear at the end of the conveying direction of the ear conveying mechanism 9 toward the friction threshing gap 1005.
In this embodiment, in order to ensure a low breakage rate, the lower end of the friction threshing gap 1005 is wider, and some ears are broken, so that small ears easily fall from the lower end of the friction threshing gap 1005, thereby affecting the quality of the final product. In order to solve the problem, the threshing device is also provided with a repeated threshing mechanism for screening and repeating threshing of the heads which are not threshing after the friction threshing gap 1005.
The repeated threshing unit comprises a screen plate 1006, a threshing object guide plate 1007, a threshing object stirring plate 1008, a head collecting box 1009 and a belt conveyor 1010, wherein the screen plate 1006 is connected with the lower end of the fixed cylinder 1004 along the circumferential direction, the threshing object guide plate 1007 is arranged on the inner circumferential surface of the fixed cylinder 1004 and is used for guiding the threshing object falling from a friction threshing gap 1005 towards the middle part of the screen plate 1006, the threshing object stirring plate 1008 is arranged on a first driving shaft 1001 and is positioned above the screen plate 1006, the threshing object stirring plate 1008 is used for stirring the threshing object gathered in the middle part of the screen plate 1006 and stirring the head of the threshing object which is not yet threshed towards the outer edge of the screen plate 1006 in the rotation process along with the first driving shaft 1001, a first opening 1006 through which the head passes is arranged at the outer edge of the screen plate 1006, the head collecting box 1009 is connected with the first opening 1006-1, the feeding end of the belt conveyor 1010 is arranged in the head collecting box 1009, the discharging end is arranged above the friction threshing gap 1005, and a plurality of baffles 1010-2 are vertically arranged on the conveying belt 1010-1 at intervals.
In threshing, the threshed matters passing through the friction threshing gap 1005 fall on the middle part of the sieve plate 1006 through the threshed matter guide plate 1007, the threshed matters are stirred up by the threshed matter stirring plate 1008, which is beneficial to the falling of grains from the sieve plate 1006, and the small spikes and broken spikes in the threshed matters are pushed to the outer edge of the sieve plate 1006 by the threshed matter stirring plate, enter into the spike head collecting box 1009 through the first opening 1006-1 on the sieve plate 1006, enter into the upper end of the friction threshing gap 1005 again through the belt conveyor 1010, and are threshed repeatedly.
A cleaner mechanism 11 is arranged below the screen plate 1006 on the frame 1002, the cleaner mechanism 11 comprises a negative pressure fan 1101, a material collecting cone hopper 1102 and a seed discharging pipe 1103 arranged at the lower end of the material collecting cone hopper 1102, an air inlet pipe of the negative pressure fan 1101 is connected with the seed discharging pipe 1103, and an air outlet pipe is arranged as a small impurity discharging pipe 1101-1. The clean highland barley seeds are discharged from the seed discharging pipe 1103 and collected uniformly, and the small impurities are discharged from the small impurity discharging pipe 1101-1 and collected uniformly, so that threshing and cleaning are finished synchronously.
Claims (3)
1. The utility model provides a harvesting apparatus suitable for highland barley ear of grain stem reposition of redundant personnel results, includes frame (1) and sets up at frame (1) advancing direction front end and bracket (2) that are connected with frame (1), is equipped with on bracket (2) and is used for the reel (3) of stirring stem stalk towards frame (1) direction and is used for cutting off cutting knife (4) of stem stalk by the bottom, its characterized in that: a chain clamping and conveying mechanism (5) inclining towards the direction of the frame (1) is arranged between the bracket (2) and the frame (1), the chain clamping and conveying mechanism (5) is used for conveying stalks which are cut off by a cutter (4) and are arranged in rows under the action of a reel (3) towards the frame (1), a multilayer flail knife mechanism (6) used for separating the stalks and the heads and crushing the stalks is arranged below the tail end of the chain clamping and conveying mechanism (5) on the frame (1), a stalk conveying mechanism (7) is arranged below the multilayer flail knife mechanism (6), and a grass collecting and bundling mechanism (8) is arranged at the tail end of the stalk conveying mechanism (7); the tail end of the chain clamping and conveying mechanism (5) on the frame (1) is also provided with a spike conveying mechanism (9), and the tail end of the spike conveying mechanism (9) is provided with a highland barley spike threshing mechanism (10);
the highland barley spike threshing mechanism (10) comprises a first driving shaft (1001) which is vertically arranged, the lower end of the first driving shaft (1001) is rotatably arranged on a frame (1002) positioned on a frame (1), a roller (1003) is coaxially arranged in the middle of the first driving shaft (1001), a fixed cylinder (1004) with the lower end fixedly connected with the frame (1002) is sleeved on the periphery of the roller (1003), and a friction threshing gap (1005) is formed between the outer peripheral surface of the roller (1003) and the inner peripheral surface of the fixed cylinder (1004);
a spike guiding cone (1012) for uniformly feeding spikes at the tail end of the spike conveying mechanism (9) towards the friction threshing gap (1005) is coaxially arranged at the top end of the roller (1003) on the first driving shaft (1001);
a plurality of groups of chain clamping and conveying mechanisms (5) are uniformly arranged between the frame (1) and the bracket (2) at intervals, each chain clamping and conveying mechanism (5) comprises two closed annular chains (501) which are arranged in parallel, a gap between the two closed annular chains (501) forms a conveying channel of stalks, and a plurality of convex teeth (502) for clamping highland barley stalks are arranged at intervals on the periphery of the closed annular chains (501);
the gap between the two closed annular chains (501) near one end of the frame (1) is smaller than the gap near one end of the bracket (2);
the multi-layer flail knife mechanism (6) comprises a second driving shaft (601) which is vertically arranged, and a plurality of disc-shaped cutters (602) are axially arranged on the second driving shaft (601) at intervals; a blocking cylinder (603) is arranged on the periphery of the second driving shaft (601), a second opening for the stalk to enter is arranged on one side of the blocking cylinder (603) along the height direction, and the bottom end of the blocking cylinder (603) is open and corresponds to the stalk conveying mechanism (7);
the highland barley head threshing mechanism (10) also comprises a repeated threshing unit for screening and repeating threshing of heads which are not threshing after passing through a friction threshing gap (1005), the repeated threshing unit comprises a sieve plate (1006), a threshing object guide plate (1007), a threshing object stirring plate (1008), a head collecting box (1009) and a belt conveyor (1010), the sieve plate (1006) is connected with the lower end of a fixed cylinder (1004) along the circumferential direction, the threshing object guide plate (1007) is arranged on the inner circumferential surface of the fixed cylinder (1004) and is used for guiding the threshing object falling from the friction threshing gap (1005) towards the middle part of the sieve plate (1006), the threshing object stirring plate (1008) is arranged on a first driving shaft (1001) and is positioned above the sieve plate (1006), the threshing object stirring plate (1008) is used for stirring the threshing objects gathered in the middle part of the sieve plate (1006) and stirring the unfinished heads towards the outer edge of the sieve plate (1006) in the rotating process along with the first driving shaft (1001), a first head (1006) is arranged on the outer edge of the sieve plate (1006), the head (1006) is connected with the head (1006) through a first opening (1) and the head (1006) in the belt conveyor (1009) at the discharging end of the sieve plate (1006), a plurality of baffles (1010-2) are vertically arranged on a conveying belt (1010-1) of the belt conveyor (1010) at intervals;
the roller (1003) and the fixed cylinder (1004) are both conical, the large end of the roller faces the frame (1002), the conical degree of the roller (1003) is larger than that of the fixed cylinder (1004), the width of the upper end of the friction threshing gap (1005) is 10-20mm, and the width of the lower end of the friction threshing gap is 5-10mm.
2. The harvesting device suitable for split harvesting of highland barley ears and stems according to claim 1, wherein: a spiral protrusion (1011) for assisting threshing is provided on the outer peripheral surface of the drum (1003).
3. The harvesting device suitable for split harvesting of highland barley ears and stems according to claim 1, wherein: the cleaning mechanism (11) is arranged below the screen plate (1006) on the frame (1002), the cleaning mechanism (11) comprises a negative pressure fan (1101), an aggregate cone hopper (1102) and a seed discharging pipe (1103) arranged at the lower end of the aggregate cone hopper (1102), an air inlet pipe of the negative pressure fan (1101) is connected with the seed discharging pipe (1103), and an air outlet pipe is arranged as a small impurity discharging pipe (1101-1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947307.6A CN107493806B (en) | 2017-10-12 | 2017-10-12 | Harvesting device suitable for highland barley spike and stem split-flow harvesting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710947307.6A CN107493806B (en) | 2017-10-12 | 2017-10-12 | Harvesting device suitable for highland barley spike and stem split-flow harvesting |
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| CN107493806A CN107493806A (en) | 2017-12-22 |
| CN107493806B true CN107493806B (en) | 2024-01-26 |
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| CN108401649B (en) * | 2018-03-21 | 2019-10-01 | 潍坊学院 | Kaoliang stalk fringe separate transfer and broom corn picker |
| CN110337893A (en) * | 2019-08-14 | 2019-10-18 | 河南科技大学 | A kind of half feeds grain conveying device and half-feeding harvester |
| CN110841914A (en) * | 2019-11-20 | 2020-02-28 | 新疆大学 | Flower and leaf separating device of efficient hop cleaning and sorting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU835340A1 (en) * | 1978-09-05 | 1981-06-07 | Челябинский Институт Механизации И Электри-Фикации Сельского Хозяйства | Grain combine harvester |
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| CN104137697A (en) * | 2014-08-01 | 2014-11-12 | 四川省农业机械研究设计院 | Full-feeding type oilseed rape combine harvester |
| CN106034545A (en) * | 2016-07-25 | 2016-10-26 | 河南科技大学 | Oriented stalk conveying cutting table used for shunted harvesting of highland barley stalks and ears |
| CN106034554A (en) * | 2016-07-25 | 2016-10-26 | 河南科技大学 | Shunting harvester of highland barley stalks and ears |
| CN205961837U (en) * | 2016-08-23 | 2017-02-22 | 华中农业大学 | A raise with rape stem stalk comminution device for combine |
| CN106664948A (en) * | 2015-12-17 | 2017-05-17 | 湘潭智联技术转移促进有限责任公司 | Stalk-spike-reaping device and application thereof |
| CN207427828U (en) * | 2017-10-12 | 2018-06-01 | 河南科技大学 | A kind of harvesting apparatus suitable for highland barley ear stem shunting harvest |
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| SU835340A1 (en) * | 1978-09-05 | 1981-06-07 | Челябинский Институт Механизации И Электри-Фикации Сельского Хозяйства | Grain combine harvester |
| CN85102442A (en) * | 1985-04-03 | 1985-09-10 | 福建省机械科学研究院 | The rice wheat is upright results and carries flow process and machine thereof |
| CN2583955Y (en) * | 2002-11-21 | 2003-11-05 | 寇英来 | Ear-stripping and straw pull-up type rice-wheat combine harvester |
| CN201274668Y (en) * | 2008-09-24 | 2009-07-22 | 崔勇为 | Rethreshing and conveying device of combined harvester |
| JP2013042744A (en) * | 2011-08-26 | 2013-03-04 | Yanmar Co Ltd | Threshing apparatus |
| CN203860071U (en) * | 2014-05-20 | 2014-10-08 | 通辽市农业科学研究院 | Simple castor-oil plant single-ear thresher |
| CN104137697A (en) * | 2014-08-01 | 2014-11-12 | 四川省农业机械研究设计院 | Full-feeding type oilseed rape combine harvester |
| CN106664948A (en) * | 2015-12-17 | 2017-05-17 | 湘潭智联技术转移促进有限责任公司 | Stalk-spike-reaping device and application thereof |
| CN106034545A (en) * | 2016-07-25 | 2016-10-26 | 河南科技大学 | Oriented stalk conveying cutting table used for shunted harvesting of highland barley stalks and ears |
| CN106034554A (en) * | 2016-07-25 | 2016-10-26 | 河南科技大学 | Shunting harvester of highland barley stalks and ears |
| CN205961837U (en) * | 2016-08-23 | 2017-02-22 | 华中农业大学 | A raise with rape stem stalk comminution device for combine |
| CN207427828U (en) * | 2017-10-12 | 2018-06-01 | 河南科技大学 | A kind of harvesting apparatus suitable for highland barley ear stem shunting harvest |
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|---|---|
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