CN216982585U - Sweet potato harvesting device - Google Patents

Abstract

The utility model belongs to the field of agricultural machinery, and particularly relates to a sweet potato harvesting device which comprises a rack, wherein a connecting hanging frame, an underground excavation part, a transmission part and a transmission part are arranged on the rack, a rear lifting part is arranged at the rear end of the rack, the upper surface of the rear lifting part is in an inclined shape with a high front part and a high rear part and is used for receiving sweet potatoes conveyed by the transmission part and enabling the sweet potatoes to roll down to the ground from the upper surface of the rear lifting part. The back lifting part is arranged, so that the discharging of the sweet potatoes can be buffered, and the surface damage of the sweet potatoes is reduced.

Description

Sweet potato harvesting device

Technical Field

The utility model belongs to the field of agricultural machinery, and particularly relates to a sweet potato harvesting device.

Background

Sweet potatoes, also known as sweet potatoes, are usually grown in ridges, with growing vines on the soil surface and harvested fruits beneath the soil. The harvesting mode is mainly that vines on ridges are firstly cut off manually, then sweet potatoes which come out of the soil are ploughed through the head, and finally, manual collection is carried out. Therefore, not only is a great deal of time wasted, but also the labor cost investment is large, and the economic value of the sweet potatoes is difficult to achieve.

Patent CN113141846A discloses a ridge culture potato class harvester, this harvester includes the mount, the adjustable shelf and set up the excavating gear on the adjustable shelf, the harvester still includes the running gear who has the function of marcing, this running gear is connected with the mount, the adjustable shelf activity sets up on the mount, still be equipped with first drive arrangement and second drive arrangement on the harvester, first drive arrangement is used for driving the adjustable shelf around the mount swing, second drive arrangement is used for driving the relative mount left and right sides translation of adjustable shelf. Although the harvester can realize the mechanized operation of the sweet potatoes, the following problems still exist: 1. the sweet potatoes directly roll down to the ground from the tail end of the conveying net chain, and the surface of the sweet potatoes is easily damaged due to lack of buffering; 2. the front end of the harvester adopts a digging shovel which is not provided with gaps and hollow parts and has overlarge resistance; 3. the harvester only has front wheels, lacks rear wheels, and the rear end of the harvester is towed on the ground, so that the power loss is large.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the utility model provides a technical scheme of a sweet potato harvesting device.

A sweet potato harvesting device comprises a rack, wherein a connecting hanging frame, an earth digging part, a transmission part and a transmission part are arranged on the rack, the connecting hanging frame is positioned at the front end of the rack and used for being connected with a traction device, the earth digging part is positioned at the front end of the rack and used for digging sweet potatoes, the transmission part is used for receiving power transmitted by the traction device and transmitting the power to the transmission part, the transmission part is used for conveying the sweet potatoes from the front end of the rack to the rear end of the rack, the rear end of the rack is provided with a rear lifting part, the upper surface of the rear lifting part is in an inclined shape with a high front part and a high rear part and is used for receiving the sweet potatoes conveyed from the transmission part and enabling the sweet potatoes to roll down to the ground from the upper surface of the rear lifting part.

Further, the back part of raising includes a plurality of back horizontal poles of raising that set up along left right direction interval, the back horizontal pole of raising is the slope structure at the end behind the preceding high, raises after adjacent and forms the clearance that supplies earth to pass between the horizontal pole.

Further, the excavation part that buries includes a plurality of cutters that set up along left right direction interval, the upper surface of cutter is the high slope form in low back in the front, and the preceding lower extreme of cutter is sharp-pointed structure, forms the clearance that supplies earth to pass between the adjacent cutter.

Further, the cutter is of a plate-shaped structure.

Furthermore, in the soil-entering excavation component, the front lower ends of the middle cutters are in a symmetrical triangular sharp corner cutter opening shape, and the front lower ends of the left and right cutters are in an inclined triangular cutter opening shape.

Furthermore, the front end of the rack is provided with a front guide wheel set, and the rear end of the rack is provided with a rear driven wheel set.

Furthermore, the front guide wheel set comprises two front wheels which are respectively arranged at the left side and the right side of the soil-entering excavation component.

Furthermore, the transmission part comprises a transmission shaft and a transmission case assembly, the transmission shaft is used for being in transmission fit with a power output shaft of the traction device, and the transmission case assembly is respectively in transmission fit with the transmission shaft and the transmission part.

Further, the transmission component is a conveying network chain mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

1) the rear lifting part is arranged, so that the discharging of the sweet potatoes can be buffered, and the surface damage of the sweet potatoes is reduced;

2) the soil-entering excavation component is provided with a plurality of cutters which are arranged at intervals, and soil can be separated from the gaps of the cutters, so that the resistance of the soil-entering excavation component is reduced;

3) the front guide wheel set and the rear driven wheel set are arranged, so that the front and the rear of the tractor roll on the ground, dragging is avoided, and power loss is reduced.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic diagram of the right-view structure of the present invention;

FIG. 3 is a schematic top view of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

The utility model will be further explained with reference to the drawings.

Referring to fig. 1-3, a sweet potato harvesting device comprises a frame 3, wherein a connecting hanger 1, an earth digging part 7, a transmission part 2 and a transmission part 8 are arranged on the frame 3, the connecting hanger 1 is arranged at the front end of the frame 3 and is used for being connected with a traction device, the earth digging part 7 is arranged at the front end of the frame 3 and is used for digging sweet potatoes, the transmission part 2 is used for receiving power transmitted by the traction device and transmitting the power to the transmission part 8, the transmission part 8 is used for transmitting the sweet potatoes from the front end of the frame 3 to the rear end of the frame 3, a rear lifting part 4 is arranged at the rear end of the frame 3, the upper surface of the rear lifting part 4 is inclined with a front high bottom and a rear bottom and is used for receiving the sweet potatoes transmitted from the transmission part 8 and rolling the sweet potatoes onto the ground from the upper surface thereof.

With reference to fig. 3, the rear raising member 4 includes a plurality of rear raising crossbars 400 spaced apart from each other in the left-right direction, the rear raising crossbars 400 are inclined rod-shaped structures with a high front portion and a high rear portion, and a gap for soil to pass through is formed between adjacent rear raising crossbars 400. The back lifting part 4 is at a certain angle with the ground, so that the sweet potatoes conveyed to the back lifting part 4 by the conveying part 8 can be buffered to a certain extent, and the falling damage rate is reduced. The rear raising member 4 can also be designed to adjust the installation included angle between the ridge-shaped soil and the ground according to the height of the ridge-shaped soil, which is a known technology in the aspect of angle installation and adjustment and is not described in detail.

With continued reference to fig. 1 and 3, the soil-entering excavation component 7 includes a plurality of cutters 700 arranged at intervals in the left-right direction, the cutters 700 are inclined plate-shaped structures with low front parts and high rear parts, the front lower ends of the cutters 700 are sharp structures, and gaps for soil to pass through are formed between adjacent cutters 700. Specifically, in the excavation component 7, the front lower ends of the middle cutters 700 are in the shape of symmetrical triangular pointed notches, and the front lower ends of the left and right cutters 700 are in the shape of inclined triangular notches.

When the excavation component 7 is installed, the cutters 700 with the symmetrical triangular-pointed-edge shapes are installed from the middle truss at the front end of the frame 3 to both sides with a certain gap, and the cutters 700 with the inclined triangular-pointed-edge shapes are respectively installed at the left end and the right end of the truss symmetrically. The soil-entering excavation component 7 is a component of the sweet potato harvesting equipment which is directly in front contact with the ridge-shaped ground, and the cutter group directly bears the resistance of the ridge-shaped ground to the ridge-shaped ground. The soil-entering excavation component 7 can be designed to adjust the installation angle according to different ridge heights so as to adapt to different sweet potato harvesting environments, which is a known technology in the aspect of angle installation and adjustment and is not described any more; meanwhile, the mounting gap between the cutters can be designed to be adjustable, so that the loads can be dispersed conveniently in the harvesting process, the loads are uniform, massive soil can be separated conveniently from the gap along with the movement of the harvesting device, and the resistance is reduced.

With continued reference to fig. 2, the front end of the frame 3 is provided with a front guide wheel set 6, and the rear end is provided with a rear driven wheel set 5. Specifically, the front guide wheel set 6 includes two front wheels, which are respectively disposed on the left and right sides of the excavation component 7. The rear driven wheel group 5 is a following wheel of the utility model and runs along with the front guide wheel group 6, the front guide wheel groups 6 are symmetrically arranged at the left side and the right side of the front end of the utility model, the traction device is a power source for the whole running of the utility model, the traction device starts to drive through the power output of the traction device, and after displacement occurs, the front guide wheel group 6 moves along with the traction device; meanwhile, for the present invention, the front guide wheel set 6 is a driving wheel, and the rear driven wheel set 5 is a driven device, and moves following the front guide wheel set 6.

Furthermore, the connecting hanger 1 is a hinged part of a traction rod of the traction device and the harvesting device, and a detachable hinged hole is formed in the tail end of the connecting hanger 1, so that the assembly and the disassembly of the joint of the tail ends of the traction rod are facilitated.

Further, the transmission part 2 comprises a transmission shaft and a transmission case assembly, the transmission shaft is used for being in transmission fit with a power output shaft of the traction device, and the transmission case assembly is respectively in transmission fit with the transmission shaft and the transmission part 8. The transmission part 2 is connected with a power output shaft of the traction device through a transmission shaft, the power of the traction device is transmitted to the transmission box assembly through the transmission shaft, the transmission box assembly transmits the power to the transmission part 8 through a transmission mechanism, the transmission part 8 operates, and the transmission mechanism can adopt a belt pulley mechanism or a chain wheel mechanism.

Further, the frame 3 is an outer frame of the sweet potato harvesting device and comprises a baffle plate and a truss, and the frame 3 is an outer structural component of the sweet potato harvesting device.

Further, the transmission part 8 is a roller type transmission net chain mechanism, the concrete structure of which can refer to the transmission net chain in patent CN113141846A, the transmission part 8 is a mechanism for transmitting the dug sweet potato out to obtain the sweet potato in the whole sweet potato harvesting operation process, the power transmission shaft in the traction device transmits the power to the transmission part 8 through the transmission part 2, the soil and the sweet potato are separated and screened through mechanical rotation and vibration, the soil falls to the field through the gap between the rollers, and the block sweet potato is continuously transmitted backwards through the rotation between the rollers until falling to the surface of the ground, so as to be convenient for manual collection.

The working process of the utility model is as follows:

the rear driven wheel set 5 is a follow-up wheel of the whole device and follows the front guide wheel set 6 to walk, the front guide wheel sets 6 are symmetrically arranged on two sides of the front end of the device, the device starts to be driven through power output of the traction device, and after displacement occurs, the front guide wheel set 6 moves along with the traction device, and for the impractical novel type, the front guide wheel set 6 is a drive wheel, the rear driven wheel set 5 is a driven device and moves along with the front guide wheel set 6. The transmission part 2 is connected with a power output shaft of the traction device through a transmission shaft, the power of the traction device is transmitted to the transmission box assembly through the transmission shaft, the transmission box assembly transmits the power to the transmission part 8 through a transmission mechanism to realize the operation of the transmission part 8, the transmission part 8 transmits the power to the roller type conveying part through the power transmission shaft in the traction device, soil and sweet potatoes are separated and screened through mechanical rotation and vibration, the soil falls to a field through gaps among the rollers, and the massive sweet potatoes are continuously conveyed backwards through the rotation among the rollers until falling to the surface of the ground, so that the manual collection is facilitated. The back lifting part 4 is arranged at the tail end of the whole device, and the part forms a certain angle with the ground, so that the sweet potatoes conveyed to the back lifting part 4 by the conveying part 8 can be buffered, and the damage to the surface of the sweet potatoes is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A sweet potato harvesting device comprises a rack (3), wherein a connecting hanger (1), an earth digging part (7), a transmission part (2) and a transmission part (8) are arranged on the rack (3), the connecting hanger (1) is positioned at the front end of the rack (3) and used for being connected with a traction device, the earth digging part (7) is positioned at the front end of the rack (3) and used for digging sweet potatoes, the transmission part (2) is used for receiving power transmitted by the traction device and transmitting the power to the transmission part (8), the transmission part (8) is used for transmitting the sweet potatoes from the front end of the rack (3) to the rear end of the rack (3), the sweet potato harvesting device is characterized in that a rear lifting part (4) is arranged at the rear end of the rack (3), the upper surface of the rear lifting part (4) is in an inclined shape with a high front part and a high rear part and a low rear part and is used for receiving the sweet potatoes transmitted by the transmission part (8), and the sweet potatoes are rolled from the upper surface thereof to the ground.

2. The sweet potato harvesting device according to claim 1, wherein the rear lifting part (4) comprises a plurality of rear lifting cross bars (400) arranged at intervals in the left-right direction, the rear lifting cross bars (400) are of an inclined structure with a high front part and a high rear part, and gaps for soil to pass through are formed between the adjacent rear lifting cross bars (400).

3. The sweet potato harvesting device according to claim 1, wherein the digging part (7) comprises a plurality of cutters (700) arranged at intervals in the left-right direction, the upper surfaces of the cutters (700) are inclined with a lower front part and a higher rear part, the front lower ends of the cutters (700) are in a sharp structure, and gaps for soil to pass through are formed between the adjacent cutters (700).

4. The sweet potato harvesting device of claim 3, wherein the knife (700) is a plate-like structure.

5. The sweet potato harvesting device as claimed in claim 3, wherein the middle cutter (700) of the digging part (7) has a symmetrical triangular-pointed-edge-shaped front lower end, and the left and right cutter front lower ends have an inclined triangular-pointed-edge-shaped front lower end.

6. The sweet potato harvesting device according to any one of claims 1 to 5, wherein the frame (3) is provided with a front guide wheel set (6) at the front end and a rear driven wheel set (5) at the rear end.

7. The sweet potato harvesting device according to claim 6, wherein the front guide wheel set (6) comprises two front wheels, which are respectively arranged at the left and right sides of the soil excavation component (7).

8. The sweet potato harvesting device according to any one of claims 1 to 5, wherein the transmission member (2) comprises a transmission shaft for driving engagement with the power take-off shaft of the traction device and a transmission case assembly for driving engagement with the transmission shaft and the transmission member (8), respectively.

9. A sweet potato harvesting device according to any one of claims 1 to 5, wherein the transport member (8) is a conveyor network mechanism.

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