CN113396696A

CN113396696A - Pea seedling harvester with orderly standing grain dividing and step sorting functions

Info

Publication number: CN113396696A
Application number: CN202110501102.1A
Authority: CN
Inventors: 唐忠; 章浩; 梁亚权; 张奔; 李宇
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-09-17

Abstract

The invention provides a pea seedling harvester with ordered seedling separation and step separation, which comprises a seedling pulling device, a conveying device, a stepped vibration separation sieve, a collecting device, an engine, a transmission system, a traveling device, a conveying belt supporting rod, a reciprocating type cutting device and a rack, wherein the conveying device is arranged on the rack; a frame is arranged on the walking device, and a collecting device and an engine are arranged on the frame; the reciprocating type cutting device is arranged below the reel, the reel is arranged on a bracket of the conveying device, and the conveying device is used for conveying pea seedlings cut by the compound type cutting device into the collecting device; a stepped vibration separating screen is arranged between the outlet of the conveying device and the collecting device; the engine respectively provides power for the walking device and the conveying device through a transmission system. The invention can be widely applied to the harvest operation of the pea seedlings and the stem and leaf vegetables growing out of order, the harvest efficiency is improved, and the labor intensity is reduced.

Description

Pea seedling harvester with orderly standing grain dividing and step sorting functions

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a pea seedling harvester with ordered seedling dividing and step sorting functions.

Background

The pea seedling is a green leaf vegetable which is edible by using tender young stem leaves of the pea vegetable, has faint scent, tender quality, smooth and palatable taste, good color, fragrance and taste, contains various amino acids necessary for human bodies, and has rich nutrition. Aiming at the harvest of pea seedlings, the method mainly adopts manpower, has low production efficiency and lacks mechanized harvesting methods and equipment.

At present, aiming at a green leaf vegetable harvesting method similar to pea seedlings, for example, the prior art discloses an air-blowing type grain lifting device and a design method for a green leaf vegetable harvester, the air-blowing type grain lifting device for the green leaf vegetable harvester is designed, and the grain lifting of the green leaf vegetable is realized by controlling the air pressure and flow; the cutting device for the stem leaf vegetable harvester is designed with an annular toothed cutter, has small volume, is suitable for adjusting the positions of three wheel shafts simultaneously, and can realize harvesting at different heights; the conveying and leaf removing device with the rotary leaf cutting and the interval distribution spike tooth guide vane transmission belts is designed, and the problem that stems and leaves are separated from nodular stems and are peeled off is solved. The harvesting method and the equipment design are provided aiming at the harvesting processes of stalk and leaf vegetables such as grain lifting, cutting, conveying and leaf removing, but for the harvesting of the field pea seedlings, only the head parts of the stalks and leaves are picked so as to facilitate the subsequent continuous growth of the pea seedlings, and the harvesting process is not reported.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the pea seedling harvester with the ordered seedling separation and the step separation, which can be widely applied to the harvesting operation of the disordered growing pea seedlings and the stem and leaf vegetables, the harvesting efficiency is improved, the manual labor intensity is reduced, the designed pea seedling harvester can complete the harvesting operation processes of seedling separation, stem cutting, conveying, separation, collection and the like, and the manual labor intensity is greatly reduced.

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

A pea seedling harvester with ordered seedling separation and step separation comprises a seedling pulling device, a conveying device, a step type vibration separation sieve, a collecting device, an engine, a transmission system, a traveling device, a conveying belt supporting rod, a reciprocating type cutting device and a rack;

a frame is arranged on the walking device, and a collecting device and an engine are arranged on the frame; the reciprocating type cutting device is arranged below the reel, the reel is arranged on a bracket of the conveying device, and the conveying device is used for conveying pea seedlings cut by the compound type cutting device into the collecting device; a stepped vibration separating screen is arranged between the outlet of the conveying device and the collecting device and is used for removing impurity residues through vibration; the engine respectively provides power for the walking device and the conveying device through a transmission system; one end of the conveying belt supporting rod is installed on the rack, and the other end of the conveying belt supporting rod is installed on the conveying device and used for changing the angle of the conveying device.

Further, the reel device comprises a left side plate, a reel tooth, a reel lever, a right side plate, a transmission shaft and a reel supporting frame; the left side plate and the right side plate are respectively arranged at two sides of the transmission shaft, the plurality of deflector rods are arranged between the two side plates, and a plurality of deflector teeth are arranged on any one deflector rod; the transmission shaft is arranged on the conveying device rack through a reel supporting frame.

Furthermore, two dial the tooth and be a set of, evenly install on the driving lever, two of every group dial the tooth and install relatively.

Further, the stepped vibration separating screen comprises a connecting rod, a first connecting frame, a second connecting frame, an upper screen plate, a lower screen plate, a rear screen plate, an eccentric vibration device and a screen frame;

the screen frame is in a three-layer step shape, an upper screen plate is arranged on the uppermost layer and is positioned below the outlet of the conveying device, a lower screen plate is arranged on the middle layer, a rear screen plate is arranged on the lowermost layer, and the rear screen plate is positioned above the collecting device; the sizes of the sieve pores of the upper sieve plate, the lower sieve plate and the rear sieve plate are gradually decreased according to the step direction; the first connecting frame is arranged on the screen frame near the upper screen plate, one end of the connecting rod is arranged on the first connecting frame, the other end of the connecting rod is connected with the rack, and one side of the screen frame vibrates through the extension and contraction of the connecting rod; the second connecting frame is arranged on the screen frame near the rear screen plate, the second connecting frame is provided with an eccentric vibration device, and the eccentric vibration device is in transmission connection with the engine through a transmission system.

Furthermore, a plurality of strip-shaped sieve holes are arranged on the surface of the upper sieve plate, and the distance between every two adjacent strip-shaped sieve holes is 2-4 cm; the diameter of each screen hole on the surface of the lower screen plate is 3-5 cm; the diameter of the sieve pore on the surface of the rear sieve plate is 4-6 cm.

The invention has the beneficial effects that:

1. according to the pea seedling harvester with the ordered seedling dividing and step sorting functions, the pea seedling harvester integrating the harvesting processes is designed aiming at the harvesting operations of seedling dividing, cutting, conveying, sorting, collecting and the like in the pea seedling harvesting process, the whole process mechanization of the pea seedling harvesting can be realized, the manual labor intensity is greatly reduced, and the production efficiency of the pea seedlings is improved.

2. According to the pea seedling harvester with ordered seedling dividing and step sorting, aiming at the problems that the disordered growth condition of the pea seedlings in the field, the winding of stems and leaves on cutters and the like are caused during cutting, in the process of cutting the stems and leaves, the invention carries out the straightening and seedling dividing of the pea seedlings through the orderly and uniformly distributed poking teeth on the seedling dividing device, solves the winding problem of different seedlings, and simultaneously arranges the poking rods with the poking teeth at intervals, the tips of the adjacent poking teeth are bent towards two sides, so that the clamping force on tender stems and leaves during the seedling dividing process is reduced, and the damage to the stems and leaves of the pea seedlings during the seedling dividing process is reduced on the basis of effective seedling dividing.

3. The invention relates to a pea seedling harvester with ordered seedling separation and step separation, which designs a stepped vibration separation sieve, wherein a sieve body is divided into three layers, the three layers of sieve bodies are driven to vibrate up and down and back and forth in a reciprocating manner through the rotation of an eccentric wheel, the harvested pea seedlings are shaken down into a collection box, in the downward movement process of the pea seedlings, seedlings with smaller volume and crushed stems and leaves fall through gaps of sieve bars and sieve holes on a sieve surface, the pea seedlings with better complete shape are left to fall into the collection box, and the pea seedling cleaning and screening are realized.

Drawings

FIG. 1 is a main view of a pea seedling harvester with ordered seedling separation and step sorting according to the invention.

FIG. 2 is a top view of the pea seedling harvester with ordered seedling separation and step sorting according to the invention.

Fig. 3 is a schematic view of the dividing device of the present invention.

Fig. 4 is a side view of the dividing device of the present invention.

Fig. 5 is a schematic view of the stepped vibratory screening apparatus of the present invention.

Fig. 6 is a top view of the stepped vibratory screening apparatus of the present invention.

In the figure:

1-a divider; 101-left side plate; 102-shifting teeth; 103-a deflector rod; 104-right side plate; 105-a drive shaft; 106-reel supporting frame; 2-a conveying device; 3-stepped vibration separating screen; 301-connecting rod; 302-a connecting frame; 303-drive wheel link; 304-upper screen deck; 305-lower screen deck; 306-rear sieve plate; 307-vibrating eccentric mechanism; 309-screen frame; 4-a collecting device; 5-an engine; 6-operating the handrail; 7-a transmission system; 8-a walking device; 9-conveyor belt support bars; 10-a reciprocating cutting device; 11-a frame; 12-motor.

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.

As shown in fig. 1 and 2, the pea seedling harvester with ordered seedling separation and step sorting according to the invention comprises a seedling pulling device 1, a conveying device 2, a stepped vibration sorting screen 3, a collecting device 4, an engine 5, a transmission system 7, a walking device 8, a conveying belt supporting rod 9, a reciprocating cutting device 10 and a frame 11;

a frame 11 is arranged on the walking device 8, and a collecting device 4 and an engine 5 are arranged on the frame 11; the reciprocating cutting device 10 is arranged below the reel device 1, the reel device 1 is arranged on a bracket of the conveying device 2, the motor 12 is arranged on a conveying rack, and the motor 12 drives the reel device to rotate; the conveying device 2 is used for conveying the pea seedlings cut by the compound cutting device 10 into the collecting device 4; a stepped vibration separating screen 3 is arranged between the outlet of the conveying device 2 and the collecting device 4 and is used for removing impurity through vibration; the engine 5 provides power for the walking device 8 and the conveying device 2 through a transmission system 7 respectively; one end of the conveying belt supporting rod 9 is installed on the rack 11, and the other end of the conveying belt supporting rod 9 is installed on the conveying device 2 and used for changing the angle of the conveying device 2. The operating handle 6 is positioned at the rearmost part of the machine and is fixed on the frame 11 for operating the machine.

As shown in fig. 3 and 4, the reel device 1 comprises a left side plate 101, a shifting tooth 102, a shifting lever 103, a right side plate 104, a transmission shaft 105 and a reel supporting frame 106; the left side plate 101 and the right side plate 104 are respectively arranged at two sides of a transmission shaft 105, a plurality of shifting rods 103 are arranged between the two side plates, and a plurality of shifting teeth 102 are arranged on any one shifting rod 103; the transmission shaft 105 is installed on the frame of the conveying device 2 through a reel supporting frame 106. The two shifting teeth 102 are a group and are uniformly arranged on the shifting rod 103, and the two shifting teeth of each group are oppositely arranged. The drive shaft 105 is connected to the motor 12 by a belt drive.

As shown in fig. 5 and 6, the stepped vibration sorting screen 3 includes a connecting rod 301, a first connecting frame 302, a second connecting frame 303, an upper screen plate 304, a lower screen plate 305, a rear screen plate 306, an eccentric vibrating device 307, and a screen frame 309; the screen frame 309 is in a three-layer step shape, the uppermost layer is provided with an upper screen plate 304, the upper screen plate 304 is positioned below the outlet of the conveying device 2, the middle layer is provided with a lower screen plate 305, the lowermost layer is provided with a rear screen plate 306, and the rear screen plate 306 is positioned above the collecting device 4; the sizes of the sieve holes of the upper sieve plate 304, the lower sieve plate 305 and the rear sieve plate 306 are decreased progressively according to the step direction; the first connecting frame 302 is installed on the screen frame 309 near the upper screen plate 304, one end of the connecting rod 301 is installed on the first connecting frame 302, the other end of the connecting rod 301 is connected with the frame 11, and the connecting rod 301 stretches and retracts to enable one side of the screen frame 309 to vibrate; the second connecting frame 303 is mounted on a screen frame 309 near the rear screen plate 306, and the second connecting frame 303 is mounted with an eccentric vibrating device 307, and the eccentric vibrating device 307 is in transmission connection with the engine 5 through a transmission system 7. The eccentric vibrating device 307 and the connecting rod 301 together realize a large reciprocating motion of the screen frame 309. The connecting rod 301 may be an air cylinder or a hydraulic cylinder.

The surface of the upper sieve plate 304 is provided with a plurality of strip-shaped sieve holes, and the distance between every two adjacent strip-shaped sieve holes is 2-4 cm; the diameter of the sieve pore on the surface of the lower sieve plate 305 is 3-5 cm; the diameter of the sieve hole on the surface of the rear sieve plate 306 is 4-6 cm.

The working principle of the invention is as follows:

the engine 5 is started to drive the walking device 8 to work, an operator controls the machine to work through the operation handrail 6, simultaneously the motor 12 is started, the reel device 1 and the reciprocating cutting device 10 are driven to work through belt transmission, the pea seedlings are centered by the aid of the poking teeth 102 and the poking rods 103, and simultaneously the stems are cut off by the reciprocating cutting device 10. In the working process, the harvesting height can be adjusted by changing the angle of the conveying device 2 through the conveying belt supporting rod 9. The cut pea seedlings are conveyed upwards by the conveying device 2 and then fall into the stepped vibration separating screen 3; the stem leaf of ripe beans seedling expandes width generally to be 5-8 centimetres, and post-harvest beans seedling length is 15-20 centimetres, go up sieve 304 and be equipped with long strip-shaped sieve mesh, garrulous stem leaf falls from the grate bar interval department in the shale shaker working process, and remaining results are carried to last sieve 305 by the reciprocating motion of shale shaker around, and broken leaf stem and incomplete beans seedling fall from the sieve mesh because the expansion diameter is less than the sieve mesh diameter, and when the results remainder is shaken and is fallen to back sieve piece 306, the stem leaf expandes the width and is less than the beans seedling of sieve mesh diameter with remaining stem leaf and fall from circular sieve mesh down to realize cleaning many times to post-harvest beans seedling, with garrulous stem leaf and the unqualified beans seedling screening of size, reduce the miscellaneous rate of post-harvest beans seedling, finally the better pea seedling of quality falls into collection device 4.

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. The pea seedling harvester with the ordered seedling separation and the step sorting is characterized by comprising a seedling pulling device (1), a conveying device (2), a stepped vibration sorting screen (3), a collecting device (4), an engine (5), a transmission system (7), a walking device (8), a conveying belt supporting rod (9), a reciprocating type cutting device (10) and a rack (11);

a rack (11) is arranged on the walking device (8), and a collecting device (4) and an engine (5) are arranged on the rack (11); the reciprocating type cutting device (10) is arranged below the reel device (1), the reel device (1) is arranged on a bracket of the conveying device (2), and the conveying device (2) is used for conveying pea seedlings cut by the compound type cutting device (10) into the collecting device (4); a stepped vibration separating screen (3) is arranged between the outlet of the conveying device (2) and the collecting device (4) and is used for removing impurity residues through vibration; the engine (5) provides power for the walking device (8) and the conveying device (2) through a transmission system (7) respectively; one end of the conveying belt supporting rod (9) is installed on the rack (11), and the other end of the conveying belt supporting rod (9) is installed on the conveying device (2) and used for changing the angle of the conveying device (2).

2. The pea seedling harvester with ordered seedling separation and step sorting as claimed in claim 1, wherein the seedling pulling device (1) comprises a left side plate (101), a pulling tooth (102), a pulling rod (103), a right side plate (104), a transmission shaft (105) and a pulling wheel support frame (106); the left side plate (101) and the right side plate (104) are respectively arranged on two sides of a transmission shaft (105), the plurality of shifting rods (103) are arranged between the two side plates, and a plurality of shifting teeth (102) are arranged on any one shifting rod (103); the transmission shaft (105) is arranged on the frame of the conveying device (2) through a reel supporting frame (106).

3. The pea seedling harvester with orderly seedling dividing and step sorting as claimed in claim 2, wherein two of the poking teeth (102) are in a group and are uniformly arranged on a poking rod (103), and the two poking teeth of each group are oppositely arranged.

4. The pea seedling harvester with orderly standing grain separation and step sorting as claimed in claim 1, wherein the stepped vibration sorting screen (3) comprises a connecting rod (301), a first connecting frame (302), a second connecting frame (303), an upper screen plate (304), a lower screen plate (305), a rear screen plate (306), an eccentric vibration device (307) and a screen frame (309);

the screen frame (309) is in a three-layer step shape, an upper screen plate (304) is arranged on the uppermost layer, the upper screen plate (304) is positioned below an outlet of the conveying device (2), a lower screen plate (305) is arranged on the middle layer, a rear screen plate (306) is arranged on the lowermost layer, and the rear screen plate (306) is positioned above the collecting device (4); the sizes of the sieve holes of the upper sieve plate (304), the lower sieve plate (305) and the rear sieve plate (306) are decreased progressively according to the step direction; the first connecting frame (302) is arranged on a screen frame (309) near an upper screen plate (304), one end of the connecting rod (301) is arranged on the first connecting frame (302), the other end of the connecting rod (301) is connected with the rack (11), and one side of the screen frame (309) generates vibration through the extension and contraction of the connecting rod (301); the second connecting frame (303) is arranged on a screen frame (309) near the rear screen plate (306), an eccentric vibration device (307) is arranged on the second connecting frame (303), and the eccentric vibration device (307) is in transmission connection with the engine (5) through a transmission system (7).

5. The pea seedling harvester with ordered standing grain separation and step sorting as claimed in claim 4, wherein the upper sieve plate (304) is provided with a plurality of elongated sieve holes on the surface, and the distance between the elongated sieve holes is 2-4 cm; the diameter of a sieve pore on the surface of the lower sieve plate (305) is 3-5 cm; the diameter of the sieve hole on the surface of the rear sieve plate (306) is 4-6 cm.