CN220359734U

CN220359734U - Sweet potato harvester with screening mechanism

Info

Publication number: CN220359734U
Application number: CN202321080840.4U
Authority: CN
Inventors: 胡志立; 崔秀荣
Original assignee: Yibin Dinggushan Potato Industry Co ltd
Current assignee: Yibin Dinggushan Potato Industry Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2024-01-19
Anticipated expiration: 2033-05-08

Abstract

The utility model discloses a sweet potato harvester with a screening mechanism, which relates to the technical field of sweet potato harvesting equipment and specifically comprises a frame, wherein a soil turning shovel is obliquely arranged at the bottom of one end of the frame and is rotatably connected with two sides of the inner wall of the frame through a rotating shaft, U-shaped seats are fixedly connected to the tops of the two sides of the soil turning shovel, a first connecting rod is rotatably connected to the inside of each U-shaped seat, a second connecting rod is rotatably connected to the top end of each first connecting rod, a U-shaped plate is fixedly arranged at the top of one end of the frame, a transmission shaft is arranged at the top of an inner cavity of each U-shaped plate, the transmission shafts are rotatably connected with two sides of the inner wall of each U-shaped plate through bearings respectively, the top ends of the second connecting rods are connected with the transmission shafts, and gears are coaxially and fixedly connected to the outer sides of the middle parts of the transmission shafts. When the sweet potato screening device is used, screening work of the sweet potatoes is realized, and meanwhile, the sweet potato screening device is convenient to use, simple to operate and convenient for workers to pick up.

Description

Sweet potato harvester with screening mechanism

Technical Field

The utility model relates to the technical field of sweet potato harvesters, in particular to a sweet potato harvester with a screening mechanism.

Background

Sweet potatoes are labor-intensive dry soil crops, are suitable for plain dam areas or hilly and gentle slopes, and are collected by a harvester after the sweet potatoes grow and mature. When the existing sweet potato harvester works, the tractor pulls the harvester to turn up soil blocks of the ridges, soil and sweet potatoes are screened out through the transmission belt, in the process, the sweet potatoes with different sizes are still left on the ridges, and manual secondary screening is needed, so that the labor burden of workers is definitely improved. Aiming at the problems, we provide a sweet potato harvester with a screening mechanism.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a sweet potato harvester with a screening mechanism.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the sweet potato harvester with the screening mechanism comprises a frame, wherein a soil turning shovel is obliquely arranged at the bottom of one end of the frame and is in rotary connection with two sides of the inner wall of the frame through a rotating shaft, U-shaped seats are fixedly connected to the tops of the two sides of the soil turning shovel, first connecting rods are rotatably connected to the interiors of the U-shaped seats, second connecting rods are rotatably connected to the tops of the first connecting rods, U-shaped plates are fixedly installed at the tops of one ends of the frame, a transmission shaft is arranged at the tops of inner cavities of the U-shaped plates, the transmission shaft is respectively and rotatably connected with two sides of the inner wall of the U-shaped plates through bearings, the tops of the second connecting rods are connected with the transmission shaft, gears are coaxially and fixedly connected to the outer sides of the middle of the transmission shaft, racks are in meshed connection with the outer sides of the tops of the gears, through grooves are formed in the tops of the inner cavities of the U-shaped plates, first fixing seats are fixedly connected with first fixing seats at the tops of the racks, push-pull cylinders are fixedly installed at the tops of the U-shaped plates, and one ends of the push-pull cylinders are connected with the first fixing seats;

the soil turning shovel is characterized in that a material conveying mechanism is obliquely arranged on one side of the soil turning shovel, the material conveying mechanism is fixedly arranged inside the frame, a screening mechanism is arranged below the top end of the material conveying mechanism and is fixedly arranged inside the frame, a blanking mechanism is arranged below the bottom end of the screening mechanism, a blanking port is formed in one end, far away from the soil turning shovel, of the frame, and the blanking mechanism is fixedly arranged inside the blanking port.

Optionally, the conveying mechanism includes first transport roller, first transport roller has two and parallel arrangement, first transport roller is connected with frame inner wall both sides respectively through the bearing, first transport roller external surface connection has first conveyer belt, the equal fixedly connected with in top of first conveyer belt both sides keeps off the shirt rim on one side, be equipped with a plurality of first guide plates perpendicularly between the first side fender shirt rim, first guide plate bottom is connected with first conveyer belt, frame one side bottom fixed mounting has the second motor, and one of them first transport roller one end runs through the frame and is connected with the second motor output.

Optionally, screening mechanism includes the quadrangle frame, the inside perpendicular a plurality of polished rods that are equipped with of quadrangle frame, a plurality of polished rods are along quadrangle frame length direction equidistance distribution, the polished rod is connected with quadrangle frame inner wall both sides respectively, the quadrangle frame rotates with the frame inner wall both sides respectively through the pivot and is connected, quadrangle frame top both sides below all is equipped with the second fixing base, second fixing base one end is connected with the frame, sliding connection has the guide bar on the second fixing base, the guide bar bottom runs through to the second fixing base outside, the guide bar top is connected with the quadrangle frame, the peripheral coaxial spring that is equipped with of guide bar, the spring is located between quadrangle frame and the second fixing base, the spring is connected with quadrangle frame, second fixing base respectively, quadrangle frame below is equipped with vibrating motor, the equal fixedly connected with L type pole in vibrating motor both sides, L type pole top is connected with the quadrangle frame.

Optionally, unloading mechanism includes the second transport roller, the second transport roller has three and parallel arrangement, the second transport roller rotates with blanking mouth inner wall both sides respectively through the bearing and is connected, second transport roller external surface connection has the second drive belt, the equal fixedly connected with second side of top of second drive belt both sides keeps off the shirt rim, be equipped with a plurality of second stock guides perpendicularly between the second side keeps off the shirt rim, second stock guide bottom is connected with the second drive belt, blanking mouth one side fixed mounting has first motor, and frame and first motor output are connected are run through to one of them second transport roller one end.

Optionally, a V-shaped frame is fixedly arranged at one end of the frame, and a connecting plate is fixedly connected to the top of one end of the V-shaped frame.

Optionally, the rack both sides all fixedly connected with slider, U template inner chamber top both sides all are equipped with the spout corresponding with the slider, the slider is located the spout inside.

Optionally, the bottom of frame both sides all is equipped with the walking wheel, walking wheel one side center department installs the axostylus axostyle perpendicularly, axostylus axostyle one end is connected with the frame rotation through the bearing.

Compared with the prior art, when the sweet potato harvester is used, the push-pull oil cylinder can drive the gear and the transmission shaft to rotate through the rack, the transmission shaft pushes and pulls the soil turning shovel through the first connecting rod and the second connecting rod, the soil turning shovel can turn around the rotation shaft as the center of a circle, the angle between the soil turning shovel and a ridge is changed, the soil turning shovel can be conveniently inclined downwards and can be inserted into soil, soil blocks are conveyed to the screening mechanism by the conveying mechanism, the screening mechanism can screen out soil and unqualified sweet potatoes, and therefore the screening work of the sweet potatoes is realized, meanwhile, the sweet potatoes are convenient to use and easy to operate, the qualified sweet potatoes can be discharged from the top of one side of a blanking hole by the blanking mechanism, and the sweet potatoes can fall on one side of the ridge to be conveniently picked up by workers.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of the internal structure of the frame of the present utility model.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

Fig. 5 is a schematic view of the present utility model in cooperation with a tractor.

In the figure: 1. a frame; 2. a soil turning shovel; 3. a U-shaped plate; 4. a U-shaped seat; 5. a first link; 6. a second link; 7. a transmission shaft; 8. a first motor; 9. a through groove; 10. a gear; 11. a rack; 12. a slide block; 13. a chute; 14. push-pull oil cylinder; 15. a first fixing seat; 16. a material conveying mechanism; 17. a screening mechanism; 18. a blanking mechanism; 19. a blanking port; 20. a first transport roller; 21. a first conveyor belt; 22. a first deflector; 23. a first side skirt; 24. a quadrangular frame; 25. a vibration motor; 26. an L-shaped rod; 27. a polish rod; 28. the second fixing seat; 29. a guide rod; 30. a spring; 31. a second transport roller; 32. a second belt; 33. a second side skirt; 34. a second guide plate; 35. a walking wheel; 36. a second motor; 37. a V-shaped frame; 38. and (5) connecting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the sweet potato harvester with the screening mechanism comprises a frame 1, wherein a soil turning shovel 2 is obliquely arranged at the bottom of one end of the frame 1, the soil turning shovel 2 is rotationally connected with two sides of the inner wall of the frame 1 through a rotating shaft, the tops of the two sides of the soil turning shovel 2 are fixedly connected with a U-shaped seat 4,U type seat 4, a first connecting rod 5 is rotationally connected with the top of the first connecting rod 5, a second connecting rod 6 is rotationally connected with the top of one end of the frame 1, a transmission shaft 7 is arranged at the top of the inner cavity of the U-shaped plate 3, the transmission shaft 7 is rotationally connected with two sides of the inner wall of the U-shaped plate 3 through bearings, the top of the second connecting rod 6 is connected with the transmission shaft 7, a gear 10 is coaxially and fixedly connected with the outer side of the middle part of the transmission shaft 7, a rack 11 is meshed and connected with the outer side of the top of the gear 10, a through groove 9 is formed in the top of the inner cavity of the U-shaped plate 3, a first fixing seat 15 is fixedly connected with the top of one end of the rack 11, the top of the first fixing seat 15 penetrates out of the through groove 9, a push-pull cylinder 14 is fixedly arranged at the top of the U-pull cylinder 14, and one end of the push-pull cylinder 14 is connected with the first fixing seat 15;

as shown in fig. 3, the push-pull oil cylinder 14 can drive the gear 10 and the transmission shaft 7 to rotate through the rack 11, the transmission shaft 7 pushes and pulls the soil turning shovel 2 through the first connecting rod 5 and the second connecting rod 6, the soil turning shovel 2 can turn around the rotating shaft as the center of a circle, the angle between the soil turning shovel 2 and a ridge is changed, and the soil turning shovel 2 can be conveniently inclined downwards and can be inserted into soil;

a material conveying mechanism 16 is obliquely arranged on one side of the soil turning shovel 2, the material conveying mechanism 16 is fixedly arranged in the frame 1, a screening mechanism 17 is arranged below the top end of the material conveying mechanism 16, the screening mechanism 17 is fixedly arranged in the frame 1, a blanking mechanism 18 is arranged below the bottom end of the screening mechanism 17, a blanking port 19 is formed in one end, away from the soil turning shovel 2, of the frame 1, and the blanking mechanism 18 is fixedly arranged in the blanking port 19;

as shown in fig. 1, the soil turning shovel 2 is used for shoveling soil blocks in a field, the soil blocks can be transported to the screening mechanism 17 by the material conveying mechanism 16, the screening mechanism 17 can screen out soil and unqualified sweet potatoes, the qualified sweet potatoes can be discharged from the top of one side of the blanking port 19 by the blanking mechanism 18, and the sweet potatoes can fall on one side of a ridge of the field so as to be convenient for workers to pick up.

As shown in fig. 2, the material conveying mechanism 16 includes a first conveying roller 20, the first conveying roller 20 has two and parallel arrangement, the first conveying roller 20 is connected with two sides of the inner wall of the frame 1 respectively through bearings, the outer surface of the first conveying roller 20 is connected with a first conveying belt 21, the tops of two sides of the first conveying belt 21 are fixedly connected with a first side baffle skirt 23, a plurality of first guide plates 22 are vertically arranged between the first side baffle skirt 23, the bottom of each first guide plate 22 is connected with the first conveying belt 21, a second motor 36 is fixedly arranged at the bottom of one side of the frame 1, one end of one first conveying roller 20 penetrates through the frame 1 and is connected with the output end of the second motor 36, the second motor 36 drives the first conveying roller 20 to rotate, and the first conveying belt 21 conveys the shoveled soil blocks to fall on the screening mechanism 17.

As shown in fig. 2, screening mechanism 17 includes quadrilateral frame 24, quadrilateral frame 24 inside is equipped with a plurality of polished rods 27 perpendicularly, a plurality of polished rods 27 are along quadrilateral frame 24 length direction equidistance distribution, polished rods 27 are connected with quadrilateral frame 24 inner wall both sides respectively, quadrilateral frame 24 rotates with frame 1 inner wall both sides respectively through the pivot and is connected, quadrilateral frame 24 top both sides below all is equipped with second fixing base 28, second fixing base 28 one end is connected with frame 1, sliding connection has guide bar 29 on the second fixing base 28, the guide bar 29 bottom runs through to the outside of second fixing base 28, the guide bar 29 top is connected with quadrilateral frame 24, guide bar 29 periphery coaxial is equipped with spring 30, spring 30 is located between quadrilateral frame 24 and the second fixing base 28, spring 30 is connected with quadrilateral frame 24 respectively, quadrilateral frame 24 and second fixing base 28, quadrilateral frame 24 below is equipped with vibrating motor 25 both sides all fixedly connected with L shaped bar 26, L shaped bar 26 top is connected with quadrilateral frame 24, through setting up guide bar 29, spring 30 and second fixing base 28, utilize vibrating motor 25 to drive the square frame 24 and take the square frame 24 to carry out the square frame 27 when the centre of a circle with the sweet potato, the square frame assembly, the soil has been leaked out from the soil that the frame is closed, can realize through the pivot of the square frame 27, the soil has been leaked out from the soil that can not to the well-matched construction, thereby, the soil has been realized.

As shown in fig. 2, the blanking mechanism 18 includes a second transporting roller 31, the second transporting roller 31 has three and parallel arrangement, the second transporting roller 31 is respectively connected with two sides of the inner wall of the blanking port 19 in a rotating way through bearings, the outer surface of the second transporting roller 31 is connected with a second driving belt 32, the tops of two sides of the second driving belt 32 are fixedly connected with second side blocking skirts 33, a plurality of second material guiding plates 34 are vertically arranged between the second side blocking skirts 33, the bottom of the second material guiding plates 34 is connected with the second driving belt 32, a first motor 8 is fixedly arranged at one side of the blanking port 19, one end of one second transporting roller 31 penetrates through the frame 1 and is connected with the output end of the first motor 8, the first motor 8 is utilized to drive the second transporting roller 31 to rotate, the second driving belt 32 drives qualified sweet potatoes to be output from one end of the blanking port 19, and the sweet potatoes can fall on one side of a ridge for being convenient for a worker to pick up.

As shown in fig. 5, a V-shaped frame 37 is fixedly arranged at one end of the frame 1, a connecting plate 38 is fixedly connected to the top of one end of the V-shaped frame 37, a worker can be connected with a tractor through the connecting plate 38 at the tail end of the V-shaped frame 37, and the tractor can drive the sweet potato field ridge harvester to move above the sweet potato field ridge.

As shown in fig. 3, two sides of the rack 11 are fixedly connected with sliding blocks 12, two sides of the top of the inner cavity of the u-shaped plate 3 are provided with sliding grooves 13 corresponding to the sliding blocks 12, the sliding blocks 12 are positioned in the sliding grooves 13, and the rack 11 is kept stable and smooth during horizontal displacement by arranging the sliding blocks 12 and the sliding grooves 13.

Further, the bottom of both sides of the frame 1 is provided with the travelling wheels 35, a shaft lever is vertically arranged in the center of one side of the travelling wheels 35, one end of the shaft lever is rotationally connected with the frame 1 through a bearing, and the travelling wheels 35 are arranged to facilitate the movement of the utility model to different working sites.

In summary, when the sweet potato harvester with the screening mechanism is used, firstly, a worker connects the connecting plate 38 at the tail end of the V-shaped frame 37 with the tractor, then drives the tractor to run on a sweet potato ridge, then drives the soil turning shovel 2 to turn over by taking the rotating shaft as the center of a circle through the push-pull oil cylinder 14, the rack 11, the gear 10, the transmission shaft 7, the first connecting rod 5 and the second connecting rod 6, so that the angle between the soil turning shovel 2 and the ridge is changed, the soil turning shovel 2 is obliquely downwards inserted into soil to turn out sweet potatoes, the soil blocks are conveyed to the screening mechanism 17 by the conveying mechanism 16, and the screening mechanism 17 screens out the soil and the sweet potatoes with poor growth, so that the screening work of the sweet potatoes is realized, meanwhile, the sweet potatoes are convenient to use, easy to operate, the qualified sweet potatoes can be discharged from the top of one side of the blanking hole 19 by the blanking mechanism 18, and the sweet potatoes can fall on one side of the ridge for the worker to pick up.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sweet potato harvester of area screening mechanism, includes frame (1), frame (1) one end bottom slope is equipped with turns over native shovel (2), turn over native shovel (2) and be connected its characterized in that through pivot and frame (1) inner wall both sides rotation: the top of soil turning shovel (2) both sides is all fixedly connected with U type seat (4), the inside rotation of U type seat (4) is connected with first connecting rod (5), first connecting rod (5) top rotates and is connected with second connecting rod (6), frame (1) one end top fixed mounting has U template (3), U template (3) inner chamber top is equipped with transmission shaft (7), transmission shaft (7) are connected with U template (3) inner wall both sides rotation respectively through the bearing, second connecting rod (6) top is connected with transmission shaft (7), coaxial fixedly connected with gear (10) in transmission shaft (7) middle part outside, gear (10) top outside meshing is connected with rack (11), logical groove (9) have been seted up at U template (3) inner chamber top, rack (11) one end top fixedly connected with first fixing base (15), first fixing base (15) top runs through to logical groove (9) outside, U (3) top fixed mounting has push-pull cylinder (14), push-pull cylinder (14) are connected with first fixing base (15);

the soil turning shovel is characterized in that a material conveying mechanism (16) is obliquely arranged on one side of the soil turning shovel (2), the material conveying mechanism (16) is fixedly installed inside the frame (1), a screening mechanism (17) is arranged below the top end of the material conveying mechanism (16), the screening mechanism (17) is fixedly installed inside the frame (1), a discharging mechanism (18) is arranged below the bottom end of the screening mechanism (17), a discharging opening (19) is formed in one end, far away from the soil turning shovel (2), of the frame (1), and the discharging mechanism (18) is fixedly installed inside the discharging opening (19).

2. The sweet potato harvester with the screening mechanism of claim 1, wherein: the conveying mechanism (16) comprises first conveying rollers (20), the first conveying rollers (20) are arranged in two and parallel, the first conveying rollers (20) are respectively connected with two sides of the inner wall of the frame (1) through bearings, the outer surface of each first conveying roller (20) is connected with a first conveying belt (21), the tops of the two sides of each first conveying belt (21) are fixedly connected with a first side baffle skirt edge (23), a plurality of first guide plates (22) are vertically arranged between the first side baffle skirt edges (23), the bottoms of the first guide plates (22) are connected with the first conveying belts (21), a second motor (36) is fixedly arranged at the bottom of one side of the frame (1), and one end of one first conveying roller (20) penetrates through the frame (1) to be connected with the output end of the second motor (36).

3. The sweet potato harvester with the screening mechanism of claim 1, wherein: the screening mechanism (17) comprises a quadrilateral frame (24), a plurality of polished rods (27) are vertically arranged inside the quadrilateral frame (24), the polished rods (27) are distributed at equal intervals along the length direction of the quadrilateral frame (24), the polished rods (27) are respectively connected with two sides of the inner wall of the quadrilateral frame (24), the quadrilateral frame (24) is respectively connected with two sides of the inner wall of the rack (1) in a rotating mode through a rotating shaft, second fixing seats (28) are respectively arranged below two sides of the top end of the quadrilateral frame (24), one end of each second fixing seat (28) is connected with the rack (1), guide rods (29) are connected onto the second fixing seats (28) in a sliding mode, the bottom ends of the guide rods (29) penetrate through the outer portions of the second fixing seats (28), the top ends of the guide rods (29) are connected with the quadrilateral frame (24), springs (30) are coaxially arranged on the peripheries of the guide rods (29) and are respectively connected with the quadrilateral frame (24) and the second fixing seats (28), the springs (30) are respectively connected with the quadrilateral frame (24) and the second motor (28), vibration fixing seats (25) are respectively arranged on two sides of the quadrilateral frame (24), the top end of the L-shaped rod (26) is connected with the quadrilateral frame (24).

4. The sweet potato harvester with the screening mechanism of claim 1, wherein: the blanking mechanism (18) comprises a second conveying roller (31), the second conveying roller (31) is provided with three conveying rollers and is arranged in parallel, the second conveying roller (31) is respectively connected with two sides of the inner wall of the blanking port (19) in a rotating mode through bearings, the outer surface of the second conveying roller (31) is connected with a second driving belt (32), the tops of the two sides of the second driving belt (32) are fixedly connected with second side baffle skirt edges (33), a plurality of second material guide plates (34) are vertically arranged between the second side baffle skirt edges (33), the bottoms of the second material guide plates (34) are connected with the second driving belt (32), a first motor (8) is fixedly arranged on one side of the blanking port (19), and one end of one second conveying roller (31) penetrates through the frame (1) to be connected with the output end of the first motor (8).

5. The sweet potato harvester with the screening mechanism of claim 1, wherein: one end of the frame (1) is fixedly provided with a V-shaped frame (37), and the top of one end of the V-shaped frame (37) is fixedly connected with a connecting plate (38).

6. The sweet potato harvester with the screening mechanism of claim 1, wherein: the sliding blocks (12) are fixedly connected to two sides of the rack (11), sliding grooves (13) corresponding to the sliding blocks (12) are formed in two sides of the top of the inner cavity of the U-shaped plate (3), and the sliding blocks (12) are located inside the sliding grooves (13).

7. The sweet potato harvester with the screening mechanism of claim 1, wherein: the bottom of frame (1) both sides all is equipped with walking wheel (35), the axostylus axostyle is installed perpendicularly to walking wheel (35) one side center department, axostylus axostyle one end is connected with frame (1) rotation through the bearing.