CN114342655A

CN114342655A - Encircling type field watermelon harvester

Info

Publication number: CN114342655A
Application number: CN202111655745.8A
Authority: CN
Inventors: 陈树人; 丁翰韬; 唐忠; 赵云飞; 周巍伟
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-04-15
Anticipated expiration: 2041-12-30
Also published as: CN114342655B

Abstract

The invention provides an encircling type field watermelon harvester which comprises an encircling header device, a conveying blanking system, a cab, a bin body, a buffering and collecting device, an impurity removing fan, a bin, a main frame, a vine removing fan and a walking system, wherein the conveying blanking system is arranged on the encircling header device; the conveying blanking system, the cab, the bin body and the melon vine bin are respectively arranged on the main frame, and the walking system is arranged below the main frame; the encircling cutting table device is connected with one end of the conveying and blanking system, and the other end of the conveying and blanking system is connected with one side of the bin body; the buffer collecting device is positioned in a storage bin of the storage bin body, and an inlet of the buffer collecting device is communicated with the other end of the conveying blanking system; the trash-removing fan is arranged on the other side of the bin body, and the vine-removing fan is arranged on one side of the bin body. The watermelon harvester reduces the labor intensity of workers, has certain stability, reliability and low failure rate, realizes the high-efficiency harvesting of the watermelon, and improves the harvesting efficiency.

Description

Encircling type field watermelon harvester

Technical Field

The invention relates to the technical field of field watermelon harvesting equipment, in particular to an encircling field watermelon harvester.

Background

Watermelon is a 1-year-old herbaceous plant in cucurbitaceae, is eaten by mature fruits, is juicy and sweet, contains various vitamins and mineral substances, and is a favorite fruit for people in summer. China is a world-wide country for watermelon production and consumption, the production area and the consumption account for nearly 70% of the world, and watermelon planting becomes an indispensable industry in rural economic structure adjustment. However, in the aspect of mechanized harvesting of watermelons, manual picking is mainly used in most areas at present, the labor intensity is high, the labor and the time are wasted, the production efficiency is low, the mode of manual harvesting and auxiliary mechanized transportation is combined in foreign countries and small domestic areas, the manual harvesting and carrying are still needed, the steps are complicated, and the related technology of mechanized harvesting of watermelons is lacked.

At present, aiming at the harvesting and transportation of watermelons, the invention CN201710502824.2 in China discloses a watermelon harvester, and provides the watermelon harvester and a harvesting method thereof, wherein watermelons are placed on a secondary conveying device, the secondary conveying device conveys the watermelons to a main conveying device, and the main conveying device conveys the watermelons to a weight screening device for gravity screening, so that the watermelon harvesting process is simplified; the invention CN202110985652.5 discloses a classifiable watermelon harvesting conveyor based on machine vision, which can convey watermelon and move forward at the same time through the combination of a chain transmission mechanism and a bearing mechanism, thereby improving the harvesting and conveying efficiency of watermelon.

The above technologies all propose methods and equipment designs for harvesting and carrying watermelons, most of the existing harvesters adopt the conveying devices to harvest watermelons in combination with a manual picking mode, but due to the particularity of field planting, the semi-mechanical harvesting mode causes the problems of high labor intensity and high economic time cost, so that the benefits of vast farmers are damaged.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an encircling type field watermelon harvester, aiming at the problem that the field watermelon planting lacks a mechanical harvesting means and has large workload, which is different from the commonly used semi-mechanical principle of combining manual harvesting with mechanical conveying groove conveying, the encircling type field watermelon harvester disclosed by the invention utilizes an encircling type header device to simulate manual holding of a watermelon to pick up the watermelon from the field, then utilizes a conveying and blanking system to convey the watermelon to the interior of the harvester, simultaneously utilizes an inertia principle to dial off the watermelon vine, and further utilizes the cooperation of double fans to further remove the sundry residue of the watermelon vine. When the large-scale watermelon harvesting is realized, the impurity of the watermelon vine brought by most of the harvesting is reduced, the operation workload is greatly reduced, the labor intensity of workers is reduced, the efficient harvesting of the watermelon is realized, and the harvesting efficiency is improved.

The present invention achieves the above-described object by the following technical means.

An encircling type field watermelon harvester comprises an encircling cutting table device, a conveying blanking system, a cab, a stock bin body, a buffering and collecting device, an impurity-removing fan, a stock bin, a main frame, a vine-removing fan and a walking system; the conveying blanking system, the cab, the bin body and the melon vine bin are respectively arranged on the main frame, and the walking system is arranged below the main frame; the encircling cutting table device is connected with one end of the conveying and blanking system, and the other end of the conveying and blanking system is connected with one side of the bin body; the buffer collecting device is positioned in a storage bin of the storage bin body, and an inlet of the buffer collecting device is communicated with the other end of the conveying blanking system; the trash-removing fan is arranged on the other side of the bin body, and the vine-removing fan is arranged on one side of the bin body.

In the scheme, the melon vine bin is further included; the melon vine bin is communicated with the conveying and blanking system.

Furthermore, the encircling header device comprises a blade base, an upper supporting beam, a connecting shaft, a header supporting beam, a header back plate, a supporting beam, a header bottom plate, encircling blades, an inner transmission chain and an inner rotating gear;

the blade base is provided with a plurality of encircling blades, an inner transmission chain is arranged in the blade base, the inner transmission chain is arranged at two ends of the inner transmission chain, the inner transmission chain is meshed with the inner transmission gear, the inner transmission gear is connected with the supporting beam through a gear shaft, the upper end of the supporting beam is connected with the upper supporting beam, the lower end of the supporting beam is connected with the header bottom plate, the tail end of the header bottom plate is connected with the header back plate, and the header back plate is connected with the connecting shaft through the header supporting beam.

Further, the conveying and blanking system comprises a feeding plate, a side plate driven gear, a side plate transmission chain, a side plate driving wheel, at least one melon vine curtain, a melon vine blanking baffle and a conveying groove;

the lower extreme of feeding board and conveyer trough is articulated, and the upper end and the feed bin fuselage of conveyer trough are connected, and the curb plate drive chain is located the conveyer trough, and curb plate driven gear and curb plate action wheel are installed respectively at the both ends of conveyer trough, and melon vine blanking baffle installation is in the below of curb plate drive chain, and forms melon vine blanking passageway between the conveyer trough, melon vine blanking passageway and melon vine feed bin intercommunication, and melon vine curtain baffle installs in the upper end of conveyer trough, and is located melon vine blanking passageway entrance top.

In the scheme, the conveying groove is connected with the main frame through the lifting support rod.

In the scheme, 2-3 melon vine stop curtains are arranged at the tail end of the conveying and blanking system along the conveying direction, and a gap of 10-20 cm is reserved between every two adjacent melon vine stop curtains.

In the scheme, the buffering and collecting device comprises an upper supporting cross rod, a buffering blocking net, a lower supporting cross rod, a lower hydraulic cylinder, a fixed side plate and an upper hydraulic cylinder;

the device comprises a feed bin body, an upper support cross rod, a lower support cross rod, a buffer blocking net, a fixed side plate, a lower support cross rod, a buffer blocking net and a buffer side plate, wherein the fixed side plate is arranged on the feed bin body; one end of the lower hydraulic cylinder is connected with the fixed side plate, the other end of the lower hydraulic cylinder is connected with one end of the lower supporting cross rod, one end of the upper hydraulic cylinder is connected with the fixed side plate, and the other end of the upper hydraulic cylinder is connected with one end of the upper supporting cross rod.

In the above scheme, the impurity removing fan further comprises a fan inner plate, fan blades, a flow guide pipeline and a blade rotating shaft;

one end of the diversion pipeline is arranged at the tail part of the machine body of the storage bin, and the fan blade is arranged on the inner plate of the fan through the blade rotating shaft and in one end of the diversion pipeline of the inner plate of the fan.

In the scheme, the vine-removing fan comprises a fan shell, a guide plate and an exhaust blade;

the exhaust blades are installed in the fan shell, and the guide plate is installed at the outlet of the fan shell.

In the scheme, the melon vine bin comprises a melon vine blanking slideway, a bin box body, a locking buckle handle and a bin box door; the bin box body is arranged on the main frame; melon vine blanking slide one end intercommunication is carried the blanking system, and the other end intercommunication feed bin box, feed bin box are equipped with the feed bin chamber door, are equipped with locking buckle handle on the feed bin chamber door.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to an encircling type field watermelon harvester, which aims at the problem that the field watermelon planting lacks a mechanical harvesting means and has large workload, and is different from a commonly used semi-mechanical principle of combining manual harvesting with mechanical conveying trough conveying. The watermelon vine impurity brought by most of harvest is reduced while the large-scale watermelon harvest is realized, and the operation workload is greatly reduced.

2. The invention relates to an encircling field watermelon harvester, which aims at solving the problem that watermelon harvesting is difficult to pick up, designs an encircling header device, simulates the manual watermelon picking process, and realizes that the watermelon is picked into the harvester from the field by utilizing the rotation of encircling blades.

3. According to the encircling type field watermelon harvester, aiming at the feeding problem of watermelons, the conveying and blanking system is designed, watermelons fall into the conveying and blanking system through the inertia of the watermelons by utilizing the inclination angle of the front end of the contraction feeding plate, the encircling header device is used for enabling the watermelons to fall into the conveying and blanking system, and meanwhile, the contraction feeding plate can be driven to contract inwards through the transmission system to drive the watermelons to be fed into the conveying and blanking system.

4. Aiming at the separation problem of the watermelon vine and the watermelon, the encircling type field watermelon harvester is designed to arrange 2-3 watermelon vine retaining curtains at the tail end of a conveying and blanking system, a gap of 10-20 cm is reserved between the watermelon vine retaining curtains, the watermelon vine retaining curtains are driven backwards when the watermelon is conveyed, and the watermelon vine on the watermelon is pulled down by means of the inertia force when the watermelon vine retaining curtains are reset and fall back.

5. According to the encircling field watermelon harvester, the melon vine bin is designed aiming at the problems of melon vine collection and large amount of accumulation, melon vines are pulled down by the melon vine blocking curtain and then slide down by the melon vine blanking channel at the lower end of the conveying blanking system, the melon vines fall into the bin box body under the assistance of the melon vine blanking slide way, the bin box door is designed on the side face of the bin box body, the melon vines can be cleaned and discharged through locking the buckle handle, the carrying capacity of the harvester is improved, and the long-time operation capacity of the harvester is improved.

6. According to the encircling type field watermelon harvester, aiming at the problem of collection of watermelons, the buffering and collecting device is designed, the impact force of the falling watermelons is reduced through the buffering barrier net, the hydraulic cylinders are respectively installed through the upper supporting cross rod and the lower supporting cross rod, the inclination angle of the buffering barrier net is controlled, the adjustment of the falling angle and the falling speed of the watermelons is realized, and the collecting and loading capacity of the harvester is improved.

7. Aiming at the further cleaning problem of the watermelon vines, the encircling field watermelon harvester is provided with a dual-fan matched impurity removal mode, a vine removal fan is arranged at the lower part of a buffer blocking net, the watermelon vines on the buffer blocking net are blown upwards, an impurity removal fan is arranged at the upper end of a machine body of a storage bin, and the residual watermelon vines are blown in and crushed, so that the impurity rate in the storage bin is reduced.

Drawings

FIG. 1 is a general view of the encircling field watermelon harvester of the invention.

Fig. 2 is a schematic view of the connection between the surrounding header device and the conveying blanking system.

Fig. 3 is a schematic view of an embracing header apparatus according to the present invention.

Fig. 4 is a schematic view of the main working components of the embracing header apparatus according to the present invention.

Fig. 5 is a schematic view of a conveying and blanking system according to the present invention.

Fig. 6 is a schematic view of a melon vine curtain at the rear end of the conveying and blanking system.

Fig. 7 is a schematic diagram of the melon vine bin of the present invention.

Fig. 8 is a schematic view of a buffer collection device according to the present invention.

Fig. 9 is a schematic view of a vine removing fan according to the present invention.

Fig. 10 is a schematic view of a trash-removing fan according to the present invention.

In the figure: 1-surrounding the header device; 101-a blade base, 102-an upper supporting beam, 103-a connecting shaft, 104-a header supporting beam, 105-a header back plate, 106-a supporting beam, 107-a header bottom plate, 108-an encircling blade, 109-an inner transmission chain and 1010-a rotating gear; 2-conveying and blanking system; 201-a contraction feeding plate, 202-a side plate driven gear, 203-a side plate transmission chain, 204-a side plate driving wheel, 205-a melon vine curtain and 206-a melon vine blanking baffle; 207-conveying trough; 3-a cab; 4-a bunker body; 5-a buffer collection device; 501-upper supporting cross bar, 502-buffer blocking net, 503-lower supporting cross bar, 504-lower hydraulic cylinder, 505-fixed side plate and 506-upper hydraulic cylinder; 6-impurity removing fan; 601-inner fan plate, 602-fan blade, 603-guide pipeline and 604-blade rotating shaft; 7-watermelon stock bin; 8, a main frame; 9-a vine-removing fan; 901-fan shell, 902-guide plate and 903-exhaust blade; 10-melon vine bin; 1001-melon vine blanking slideway, 1002-bin box body, 1003-locking buckle handle and 1004-bin box door; 11-a walking system.

Detailed Description

The invention will be further described with reference to the following figures and specific examples, but the scope of the invention is not limited thereto.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Fig. 1 and 2 show an embodiment of the encircling type field watermelon harvester of the invention, which comprises an encircling header device 1, a conveying blanking system 2, a cab 3, a bin body 4, a buffering and collecting device 5, an impurity removing fan 6, a bin 7, a main frame 8, a vine removing fan 9 and a walking system 11;

the conveying blanking system 2, the cab 3, the bin body 4 and the melon vine bin 10 are respectively arranged on the main frame 8, and the traveling system 11 is arranged below the main frame 8; the encircling cutting table device 1 is connected with one end of a conveying and blanking system 2, and the other end of the conveying and blanking system 2 is connected with the upper part of one side of a bin body 4; the buffer collecting device 5 is positioned in a bin 7 of the bin body 4, and an inlet of the buffer collecting device 5 is communicated with the other end of the conveying blanking system 2; arrange miscellaneous fan 6 and install the opposite side at feed bin fuselage 4, take off rattan fan 9 and install the one side lower part at feed bin fuselage 4. Watermelon enters a storage bin 7 through the encircling cutting table device 1 and the conveying blanking system 2 and the buffering collecting device 5 in sequence.

According to the embodiment, the melon vine bin 10 is preferably further included; the melon vine bin 10 is communicated with the conveying and blanking system 2.

As shown in fig. 3 and 4, the embracing header device 1 includes a blade base 101, an upper support beam 102, a connecting shaft 103, a header support beam 104, a header back plate 105, a support beam 106, a header bottom plate 107, embracing blades 108, an inner transmission chain 109, and an inner rotation gear 1010; the utility model discloses a cutting table, including blade base 101, internal driving chain 109, internal rotation gear 1010, internal driving chain 109, internal rotation gear 109 and internal rotation gear 1010, internal driving chain 109 and internal rotation gear 1010 are meshed, internal rotation gear 1010 is connected with supporting beam 106 through the gear shaft, supporting beam 106's upper end and last supporting beam 102, the lower extreme is connected with header bottom plate 107, header bottom plate 107's end is connected with header backplate 105, header backplate 105 is connected with connecting axle 103 through header supporting beam 104. Preferably, the front end of the header bottom plate 107 is made of a flexible material, and is used for lifting the watermelon and the watermelon vine from the ground. Preferably, it is flexible material to encircle blade 108 top, and lower extreme accessible welding mode installs on blade base 101, drives internal rotation gear 1010 through internal drive chain 109 and rotates for the realization is encircled and is hugged melon feeding and carry blanking system 2. Aiming at the problem that the watermelon is difficult to pick up during harvesting, the surrounding header device 1 is designed, the process of manually holding the watermelon is simulated, the surrounding blades 108 rotate to pick the watermelon into the harvester from the field, the front end of the header bottom plate 107 and the top ends of the surrounding blades 108 are made of uniform flexible materials, damage to the watermelon is reduced while holding the watermelon, and the complicated manual picking process is avoided.

As shown in fig. 5 and 6, the conveying and blanking system 2 includes a feeding plate 201, a side plate driven gear 202, a side plate transmission chain 203, a side plate driving wheel 204, at least one melon vine curtain 205, a melon vine blanking baffle 206 and a conveying groove 207; feeding board 201 is articulated with the lower extreme of conveyer trough 207, the upper end and the feed bin fuselage 4 of conveyer trough 207 are connected, curb plate drive chain 203 is located conveyer trough 207, curb plate driven gear 202 and curb plate action wheel 204 are installed respectively at the both ends of conveyer trough 207, melon vine blanking baffle 206 is installed in the below of curb plate drive chain 203, form melon vine blanking passageway between the bottom of melon vine blanking baffle 206 and conveyer trough 207, melon vine blanking passageway and melon vine feed bin 10 intercommunication, melon vine block curtain 205 is installed in the upper end of conveyer trough 207, and be located melon vine blanking passageway entrance top. The shrinkage feeding plate 201 is positioned on the header bottom plate 107 and is used for feeding watermelons into the conveying and blanking system 2 from the surrounding header device 1; the upper end of the melon vine baffle curtain 205 is connected to the plate of the bin body 4, and the lower end of the melon vine baffle curtain naturally hangs down, so that the melon vine is pulled down to fall off and enter a melon vine blanking channel, and finally enters the melon vine bin 10. Aiming at the feeding problem of the watermelons, the conveying and blanking system is designed, the watermelons fall into the conveying and blanking system 2 from the surrounding header device 1 by utilizing the inclination angle of the front end of the shrinkage feeding plate 201 depending on the inertia of the watermelons, and meanwhile, the shrinkage feeding plate 201 can be driven to shrink inwards through the transmission system to drive the watermelons to be fed into the conveying and blanking system 2. Preferably, according to the encircling field watermelon harvester, aiming at the problem of separation of watermelon vines and watermelons, 2-3 watermelon vine retaining curtains 205 are arranged at the tail end of the conveying and blanking system 2 along the conveying direction, and a gap of 10-20 cm is reserved between every two adjacent watermelon vine retaining curtains 205. When the watermelon vine blocking curtain is used for conveying watermelon, the watermelon vine blocking curtain 205 is driven backwards, and the watermelon vine on the watermelon is pulled down by means of the inertia force when the watermelon vine blocking curtain 205 is reset and falls back.

According to the present embodiment, it is preferable that the conveying groove 207 is connected to the main frame 8 through a liftable supporting rod. The surrounding header device 1 is connected with the conveying blanking system 2, is arranged on the main frame 8 through a lifting support rod and is used for enabling the watermelons to enter the buffering and collecting device 5;

as shown in fig. 7, the melon vine bin 10 includes a melon vine blanking chute 1001, a bin box 1002, a locking buckle handle 1003, and a bin box door 1004; the bin box body 1002 is fixedly connected to the main frame 8 through bolts; the bin box 1002 is mounted on the main frame 8; one end of the melon vine blanking slide 1001 is communicated with the conveying and blanking system 2, and the other end of the melon vine blanking slide is communicated with the bin box body 1002, so that melon vines blocked by the melon vine blocking curtain 205 slide into the melon vine bin 10; the bin box body 1002 is provided with a bin box door 1004, and the bin box door 1004 is provided with a locking buckle handle 1003 for realizing pulling open the bin box door 1004 to clean melon vines. According to the encircling field watermelon harvester, aiming at the problems of collection and large accumulation of the watermelon vines, the watermelon vine bin 10 is designed, the watermelon vines are pulled down by the watermelon vine baffle 205 and then slide down by the watermelon vine blanking channel at the lower end of the conveying blanking system, the watermelon vines fall down by the aid of the melon vine blanking slide way to be fed into the bin box 1002, the bin box door 1004 is designed on the side face of the bin box 1002, the melon vines can be cleaned and discharged by opening the locking buckle handle 1003, the carrying capacity of the harvester is improved, and the long-time operation capacity of the harvester is improved.

As shown in fig. 8, the buffer collecting device 5 comprises an upper support cross bar 501, a buffer barrier net 502, a lower support cross bar 503, a lower hydraulic cylinder 504, a fixed side plate 505, and an upper hydraulic cylinder 506; the fixed side plate 505 is installed on the silo body 4, one end of the upper supporting cross rod 501 is hinged with the upper part of the fixed side plate 505, the lower supporting cross rod 503 is positioned below the upper supporting cross rod 501, one end of the lower supporting cross rod 503 is hinged with the fixed side plate 505, the buffer blocking net 502 is installed on the upper supporting cross rod 501 and the lower supporting cross rod 503 to form a collecting channel, and the inlet of the collecting channel is connected with the inlet of the silo body 4; one end of the lower hydraulic cylinder 504 is connected to the fixed side plate 505, the other end is connected to one end of the lower support cross bar 503, one end of the upper hydraulic cylinder 506 is connected to the fixed side plate 505, and the other end of the upper hydraulic cylinder 506 is connected to one end of the upper support cross bar 501. The inclination of the upper supporting cross rod 501, the buffering barrier net 502 and the lower supporting cross rod 503 is adjusted through the upper hydraulic cylinder 506 and the lower hydraulic cylinder 504, so that watermelon falls into the storage bin 7. Preferably, the buffering barrier net 502 is formed by a plurality of flexible ropes and is uniformly distributed with square grids, and the area of the square grids is not more than 0.9 times of the cross-sectional area of the small end of the watermelon. Aiming at the problem of watermelon collection, the encircling type field watermelon harvester is provided with the buffering and collecting device 5, the impact force of the falling watermelon is reduced through the buffering barrier net 502, the hydraulic cylinders are respectively arranged on the upper supporting cross rod 503 and the lower supporting cross rod 503 to control the inclination angle of the buffering barrier net 502, the adjustment of the falling angle and the falling speed of the watermelon is realized, and the collecting and loading capacity of the harvester is improved.

As shown in fig. 9, the interior of the impurity removing fan 6 further includes an inner fan plate 601, a fan blade 602, a flow guide duct 603, and a blade rotating shaft 604; one end of the diversion pipeline 603 is installed at the tail of the silo body 4, the fan blade 602 is installed on the inner fan plate 601 through the blade rotating shaft 604, and one end of the diversion pipeline 603 of the inner fan plate 601 is installed inside. The fan blades 602 are used for stirring the melon vine sundries, and the guide pipeline 603 is used for directly discharging the melon vine sundries into the field.

As shown in fig. 10, the vine-removing fan 9 includes a fan housing 901, a guide plate 902 and an exhaust blade 903; the exhaust blades 903 are installed in the fan casing 901, and the guide plate 902 is installed at the outlet of the fan casing 901. The guide plate 902 is used for adjusting the wind direction and blows wind to the bottom of the buffering and collecting device 5, and the melon vine residue is blown to the impurity removing fan 6. Aiming at the further cleaning problem of the melon vine, the invention designs a double-fan matched impurity removing mode, a vine removing fan 9 is arranged at the lower part of a buffer barrier net 502 to blow the melon vine on the buffer barrier net 502 upwards, an impurity removing fan 6 is arranged at the upper end of a storage bin body 4 to blow and stir the residual melon vine, and the impurity rate in the storage bin 7 is reduced.

The invention relates to an encircling type field watermelon harvester, which aims at the problem that the workload of field watermelon planting is large due to lack of a mechanical harvesting means, and is different from the commonly used semi-mechanical principle of combining manual harvesting with mechanical conveying groove conveying, the encircling type field watermelon harvester utilizes an encircling type header device 1 to simulate manual holding of watermelon to pick up the watermelon from the field, then conveys the watermelon to the interior of the harvester through a conveying and blanking system 2, simultaneously utilizes the inertia principle of a watermelon vine blocking curtain 205 to pull off part of watermelon vines, and the pulled off watermelon vines enter a watermelon vine blanking channel between a conveying groove 207 and a watermelon vine blanking baffle 206 and fall into a watermelon vine bin 10.

The direction and the speed of the watermelon falling into the storage bin 7 are adjusted by adjusting the buffering and collecting device 5 through the hydraulic cylinder, and the impurity removing fan 6 is matched with the vine removing fan 9 to further remove the impurity residues of the watermelon vine. The watermelon vine impurity brought by most of harvest is reduced while the large-scale watermelon harvest is realized, and the operation workload is greatly reduced.

Aiming at the problem that the field watermelon planting is lack of a mechanical harvesting means and has large workload, the encircling type field watermelon harvester is different from a commonly used semi-mechanical principle that manual harvesting is combined with mechanical conveying groove conveying, an encircling type cutting table device 1 is used for simulating manual holding of a watermelon to pick up the watermelon from the field, a conveying blanking system 2 is used for conveying the watermelon to the interior of the harvester, meanwhile, a hydraulic cylinder is used for adjusting the direction and the speed of the watermelon falling into a storage bin 7, and double fans are used for being matched to further remove the impurity of the watermelon. The watermelon vine impurity brought by most of harvest is reduced while the large-scale watermelon harvest is realized, and the operation workload is greatly reduced.

The watermelon harvester has the functions of efficient harvesting, picking and conveying, collecting and discharging, can complete the operations of picking and conveying, impurity removal, collecting and discharging and the like, reduces the labor intensity of workers, has certain stability, reliability and low failure rate, realizes efficient harvesting of the watermelons, and improves the harvesting efficiency.

It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An encircling type field watermelon harvester is characterized by comprising an encircling cutting table device (1), a conveying blanking system (2), a cab (3), a bin body (4), a buffering and collecting device (5), an impurity removing fan (6), a bin (7), a main frame (8), a vine removing fan (9) and a walking system (11);

the conveying blanking system (2), the cab (3), the bin body (4) and the melon vine bin (10) are respectively arranged on the main frame (8), and the traveling system (11) is arranged below the main frame (8); the encircling cutting table device (1) is connected with one end of the conveying and blanking system (2), and the other end of the conveying and blanking system (2) is connected with one side of the bin body (4); the buffer collecting device (5) is positioned in a storage bin (7) of the storage bin body (4), and an inlet of the buffer collecting device (5) is communicated with the other end of the conveying blanking system (2); arrange miscellaneous fan (6) and install the opposite side at feed bin fuselage (4), take off rattan fan (9) and install the one side at feed bin fuselage (4).

2. The encircling field watermelon harvester according to claim 1, further comprising a watermelon vine bin (10); the melon vine bin (10) is communicated with the conveying and blanking system (2).

3. The embracing type field watermelon harvester according to claim 2, wherein the embracing header device (1) comprises a blade base (101), an upper support beam (102), a connecting shaft (103), a header support beam (104), a header back plate (105), a support beam (106), a header bottom plate (107), an embracing blade (108), an internal transmission chain (109) and a rotating gear (1010);

be equipped with on blade base (101) a plurality of blades (108) of embracing, be equipped with interior driving chain (109) in blade base (101), internal rotation gear (1010) set up the both ends at internal transmission chain (109), internal transmission chain (109) and internal rotation gear (1010) meshing, internal rotation gear (1010) are connected with supporting beam (106) through the gear shaft, the upper end and last supporting beam (102) of supporting beam (106), the lower extreme is connected with header bottom plate (107), the end and header backplate (105) of header bottom plate (107) are connected, header backplate (105) are connected with connecting axle (103) through header supporting beam (104).

4. The encircling field watermelon harvester according to claim 3, wherein the conveying blanking system (2) comprises a feeding plate (201), a side plate driven gear (202), a side plate transmission chain (203), a side plate driving wheel (204), at least one melon vine curtain (205), a melon vine blanking baffle (206) and a conveying groove (207);

feeding board (201) and the lower extreme of conveyer trough (207) are articulated, the upper end and the feed bin fuselage (4) of conveyer trough (207) are connected, curb plate drive chain (203) are located conveyer trough (207), install the both ends in conveyer trough (207) respectively curb plate driven gear (202) and curb plate action wheel (204), melon vine blanking baffle (206) are installed in the below of curb plate drive chain (203), and form melon vine blanking passageway between conveyer trough (207), melon vine blanking passageway and melon vine feed bin (10) intercommunication, melon vine curtain (205) are installed in the upper end of conveyer trough (207), and be located melon vine blanking passageway entrance top.

5. The embracing field watermelon harvester according to claim 1, wherein the trough (207) is connected to the main frame (8) by a liftable support bar.

6. The encircling field watermelon harvester according to claim 1, wherein 2-3 watermelon vine blocking curtains (205) are arranged at the tail end of the conveying and blanking system (2) along the conveying direction, and a gap of 10-20 cm is reserved between the adjacent watermelon vine blocking curtains (205).

7. The embracing field watermelon harvester according to claim 1, wherein the buffer collecting device (5) comprises an upper support cross bar (501), a buffer barrier net (502), a lower support cross bar (503), a lower hydraulic cylinder (504), a fixed side plate (505), and an upper hydraulic cylinder (506);

the storage bin comprises a bin body (4), a fixed side plate (505), an upper supporting cross rod (501), a lower supporting cross rod (503), a buffering barrier net (502), a lower supporting cross rod (501), a lower supporting cross rod (503), a buffer channel and a storage bin body (4), wherein the fixed side plate (505) is arranged on the bin body (4), one end of the upper supporting cross rod (501) is hinged to the upper part of the fixed side plate (505), the lower supporting cross rod (503) is positioned below the upper supporting cross rod (501), one end of the lower supporting cross rod (503) is hinged to the fixed side plate (505), the buffering barrier net (502) is arranged on the upper supporting cross rod (501) and the lower supporting cross rod (503) to form a collection channel, and the inlet of the collection channel is connected with the inlet of the bin body (4); one end of the lower hydraulic cylinder (504) is connected with the fixed side plate (505), the other end of the lower hydraulic cylinder is connected with one end of the lower support cross rod (503), one end of the upper hydraulic cylinder (506) is connected with the fixed side plate (505), and the other end of the upper hydraulic cylinder (506) is connected with one end of the upper support cross rod (501).

8. The encircling field watermelon harvester according to claim 1, wherein the impurity removing fan (6) further comprises an inner fan plate (601), a fan blade (602), a flow guide pipeline (603) and a blade rotating shaft (604);

one end of the diversion pipeline (603) is arranged at the tail part of the stock bin body (4), the fan blade (602) is arranged on the inner fan plate (601) through the blade rotating shaft (604), and one end of the diversion pipeline (603) of the inner fan plate (601) is arranged in the fan.

9. The encircling field watermelon harvester according to claim 1, wherein said vine removing fan (9) comprises a fan housing (901), a deflector (902) and a ventilation blade (903);

the exhaust blades (903) are installed in the fan shell (901), and the guide plate (902) is installed at the outlet of the fan shell (901).

10. The encircling field watermelon harvester according to claim 1, wherein said melon vine bin (10) comprises melon vine blanking chute (1001), bin box body (1002), locking buckle handle (1003), bin box door (1004); the bin box body (1002) is arranged on the main frame (8); melon vine blanking slide (1001) one end intercommunication transport blanking system (2), other end intercommunication feed bin box (1002), feed bin box (1002) are equipped with feed bin chamber door (1004), are equipped with locking buckle handle (1003) on the feed bin chamber door (1004).