A harvester for underground root crops

Abstract

The present invention belongs to the technical field of agricultural machinery, and particularly relates to an underground root crop harvester, comprising a vehicle body, characterized in that: a lifting arm is hinged at the rear of the vehicle body, the lifting arm is hinged to a support plate of a vibrating screen, a gearbox is provided on the vibrating screen, the gearbox drives the first connecting rod to swing, the first connecting rod drives the second connecting rod to swing, the second connecting rod drives the movable plate to swing, a fixed plate is fixedly installed on the movable plate, the first connecting rod drives the movable arm to swing, a hanging arm is hinged at the bottom of the movable arm, and a hanging screen plate is connected to the bottom of the hanging arm. The beneficial effects of the present invention are: the soil around the underground crop can be cut in quickly and continuously, and the soil under the crop can be efficiently vibrated at the same time, so as to quickly loosen the underground crop; the structure is simple, the operation is convenient, the stability is good, the working efficiency is high, and the damage to the crops is small, which is conducive to the popularization of the planting of underground root crops, improves the harvesting efficiency, and improves the economic benefits of farmers.

Description

1. Technical field

[0002] The invention belongs to the technical field of agricultural machinery, and in particular relates to a harvester for underground root and tuber crops. (II) Background technology

[0004] Rhizome crops are divided into long rhizomes, tuberous rhizomes and fibrous rhizomes. Long rhizomes include burdock, licorice and angelica dahurica. Long rhizome crops such as burdock are rich in nutrients such as protein, amino acids, vitamins, etc., and have high nutritional and medicinal value. However, since the rhizomes of these crops are long columnar, fragile in texture, and grow upright deep in the soil, they will break or be damaged if not carefully harvested, affecting their quality. Therefore, in order to avoid damaging crops during the harvest process, rhizome crops such as angelica dahurica and burdock are currently mostly harvested manually, that is, the soil around the rhizomes of crops such as angelica dahurica and burdock is first loosened, and then carefully extracted from the soil. This method has extremely low work efficiency, high labor intensity, time-consuming and labor-intensive, and high harvesting costs, which directly affects the planting benefits. (III) Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, the present invention provides an underground rhizome crop harvester which has a simple structure, is easy to operate, has good stability, is highly efficient, saves time and effort, and saves planting costs.

[0007] The present invention is achieved through the following technical solutions:

[0008] A harvester for underground root and tuber crops includes a vehicle body, and is characterized in that a lifting arm is hinged at the rear of the vehicle body, the lifting arm is hinged to a support plate of a vibrating screen, a gearbox is provided on the vibrating screen, the gearbox drives a first connecting rod to swing, the first connecting rod drives a second connecting rod to swing, the second connecting rod drives a movable plate to swing, an auxiliary movable plate is installed on the outer side of the movable plate, a fixed plate is fixedly installed on the movable plate, the first connecting rod drives the movable arm to swing, a suspension arm is hinged at the bottom of the movable arm, and a hanging screen plate is connected to the bottom of the suspension arm.

[0009] The end of the vibrating screen is connected to a chain screen, on which a driving gear and a passive gear meshing with each other are installed. The driving gear is driven by the gearbox through a first V-belt, and the passive gear drives a sprocket to rotate through a second V-belt, on which a chain screen plate is installed.

[0010] The end of the lifting arm is installed on the supporting tire, a tire arm is connected between the supporting tire and the vehicle body, and a first oil top is connected between the tire arm and the vibrating screen.

[0011] The lifting arm is hinged on the bracket of the vehicle body, and a second oil top is connected between the bracket and the lifting arm.

[0012] The gearbox is driven by a transmission shaft, and the transmission shaft is driven by an engine.

[0013] A plurality of fixed connecting rods are connected between the support plates on both sides of the vibrating screen.

[0014] The beneficial effects of the present invention are: it can quickly and continuously cut into and deeply loosen the soil around underground crops, and at the same time efficiently vibrate the soil under the crops, so as to quickly loosen the underground crops; it has a simple structure, convenient operation, good stability, high working efficiency, and little damage to crops, which is helpful to popularize the planting of underground rhizome crops, improves harvesting efficiency, and improves the economic benefits of farmers. (IV) Description of the drawings

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Attached Figure 1 It is a schematic diagram of the main structure of the present invention;

[0018] Attached Figure 2 It is a schematic diagram of the top view of the structure of the present invention;

[0019] Attached Figure 3 It is a schematic diagram of the structure of the vibrating screen of the present invention;

[0020] Attached Figure 4 It is a schematic diagram of the chain screen structure of the present invention;

[0021] In the figure, 1 is a vehicle body, 2 is a lifting arm, 3 is a vibrating screen, 4 is a supporting plate, 5 is a gearbox, 6 is a first connecting rod, 7 is a second connecting rod, 8 is a movable plate, 8 is an auxiliary movable plate, 9 is a fixed plate, 10 is a movable arm, 11 is a hanging arm, 12 is a hanging screen plate, 13 is a chain screen, 14 is a driving gear, 15 is a passive gear, 16 is a first V-belt, 17 is a second V-belt, 18 is a sprocket, 19 is a chain screen plate, 20 is a supporting tire, 21 is a tire arm, 22 is a first oil top, 23 is a bracket, 24 is a second oil top, 25 is a transmission shaft, 26 is an engine, and 27 is a fixed connecting rod. (V) Specific implementation methods

[0023] The accompanying drawings are a specific embodiment of the present invention. The embodiment includes a vehicle body 1, a lifting arm 2 is hinged at the rear of the vehicle body 1, the lifting arm 2 is hinged to the support plate 4 of the vibrating screen 3, a gearbox 5 is provided on the vibrating screen 3, an eccentric wheel structure is provided at both ends of the output shaft of the gearbox 5, the outer edge of the eccentric wheel is hinged to the first connecting rod 6, the output shaft of the gearbox 5 drives the eccentric wheel to rotate and drives the first connecting rod 6 to swing, the first connecting rod 6 drives the second connecting rod 7 to swing, the second connecting rod 7 drives the movable plate 8 to swing, an auxiliary movable plate 801 is installed on the outer side of the movable plate 8, a fixed plate 9 is fixedly installed on the movable plate 8, the first connecting rod 6 drives the movable arm 10 to swing, the bottom of the movable arm 10 is hinged to a suspension arm 11, and the bottom of the suspension arm 11 is connected to a hanging screen plate 12. The end of the vibrating screen 3 is connected to a chain screen 13, on which a driving gear 14 and a driven gear 15 meshing with each other are installed. The driving gear 14 is driven by the gearbox 5 through the first V-belt 16, and the driven gear 15 drives the sprocket 18 to rotate through the second V-belt 17, and the chain screen plate 19 is installed on the sprocket 18. The end of the lifting arm 2 is installed on the supporting tire 20, and a tire arm 21 is connected between the supporting tire 20 and the vehicle body 1, and a first oil top 22 is connected between the tire arm 21 and the vibrating screen 3. The lifting arm 2 is hinged on the bracket 23 of the vehicle body 1, and a second oil top 24 is connected between the bracket 23 and the lifting arm 2. The gearbox 5 is driven by a transmission shaft 25, and the transmission shaft 25 is driven by an engine 26. A number of fixed connecting rods 27 are connected between the support plates 4 on both sides of the vibrating screen 3.

[0024] The underground root crop harvester of the present invention is firstly pressed down by the second oil top 24 to forcefully press the lifting arm 2 so that the supporting tire 20 is tightly pressed against the ground. Then, the vibrating screen 3 is dropped to the ground through the first oil top 22, and the engine 26 is started to drive the gearbox 5 to rotate through the transmission shaft 25. The gearbox 5 drives the eccentric wheel to rotate through the output shaft, and the rotation of the eccentric wheel drives the first connecting rod 6 to swing, and the swing of the first connecting rod 6 swings the second connecting rod 7, and the swing of the second connecting rod 7 drives the movable plate 8 and the fixed plate 9 to swing back and forth, thereby shoveling the soil under the underground crops in pieces; at the same time, the first connecting rod 6 drives the movable arm 10 to swing, and the movable arm 10 drives the hanging arm 11 to swing, and the hanging arm 11 drives the hanging screen plate 12 to swing back and forth and up and down, breaking the soil shoveled in pieces by the fixed plate 9 and the movable plate 8 in front, and at the same time, the crop roots and stems are shaken and screened to the upper layer of the soil and flow to the chain screen 13 at the rear. The gearbox 5 drives the driving gear 14 to rotate through the first V-belt 16, the driving gear 14 drives the driven gear 15 to rotate, the driven gear 15 drives the sprocket 18 to rotate through the second V-belt 17, the sprocket 18 drives the chain screen plate 19 to rotate, the chain screen plate 19 receives the crop roots and stems that fall from the front shaking screen, and the crop roots and stems move backwards following the chain screen plate 19. During the movement, the chain screen plate 19 vibrates and breaks the soil adhered to the crop roots and stems, making the crop roots and stems cleaner.

Claims

1. A harvester for underground root crops, comprising a vehicle body (1), characterized in that: The vehicle body (1) is hingedly connected to a lifting arm (2) at the rear, the lifting arm (2) is hingedly connected to a support plate (4) of a vibrating screen (3), a gearbox (5) is provided on the vibrating screen (3), the gearbox (5) drives the first connecting rod (6) to swing, the first connecting rod (6) drives the second connecting rod (7) to swing, the second connecting rod (7) drives the movable plate (8) to swing, an auxiliary movable plate (801) is installed on the outer side of the movable plate (8), a fixed plate (9) is fixedly installed on the movable plate (8), the first connecting rod (6) drives the movable arm (10) to swing, a suspension arm (11) is hingedly connected to the bottom of the movable arm (10), a suspension screen plate (12) is connected to the bottom of the suspension arm (11), and the vibrating screen ( 3) is connected to a chain screen (13) at the end thereof, and a driving gear (14) and a driven gear (15) meshing with each other are installed on the chain screen (13), the driving gear (14) is driven by the gearbox (5) through a first V-belt (16), and the driven gear (15) drives a sprocket (18) to rotate through a second V-belt (17), and a chain screen plate (19) is installed on the sprocket (18); the end of the lifting arm (2) is installed on a supporting tire (20), a tire arm (21) is connected between the supporting tire (20) and the vehicle body (1), and a first oil top (22) is connected between the tire arm (21) and the vibrating screen (3); the lifting arm (2) is hinged to the supporting tire (20) of the vehicle body (1) The second oil jack (24) is connected between the bracket (23) and the lifting arm (2); the gearbox (5) drives the eccentric wheel to rotate through the output shaft, and the rotation of the eccentric wheel drives the first connecting rod (6) to swing, and the swing of the first connecting rod (6) causes the second connecting rod (7) to swing, and the swing of the second connecting rod (7) drives the movable plate (8) and the fixed plate (9) to swing forward and backward, thereby shoveling away the soil under the underground crops in pieces; at the same time, the first connecting rod (6) drives the movable arm (10) to swing, and the movable arm (10) drives the suspension arm (11) to swing, and the suspension arm (11) drives the suspension screen plate (12) to swing forward and backward and up and down, so that the front fixed plate (9) and the movable plate (8) are moved upward and downward. The shoveled soil is broken up, and the crop roots and stems are shaken and screened to the upper layer of the soil, and flow to the chain screen (13) at the rear. The gearbox (5) drives the driving gear (14) to rotate through the first V-belt (16), and the driving gear (14) drives the driven gear (15) to rotate. The driven gear (15) drives the sprocket (18) to rotate through the second V-belt (17), and the sprocket (18) drives the chain screen plate (19) to rotate. The chain screen plate (19) receives the crop roots and stems that fall from the shaking screen in front, and the crop roots and stems move backwards along with the chain screen plate (19). During the movement, the chain screen plate (19) vibrates and breaks the soil adhering to the crop roots and stems, so that the crop roots and stems are cleaner.

2. The underground root crop harvester according to claim 1, characterized in that: The gearbox (5) is driven by a transmission shaft (25), and the transmission shaft (25) is driven by an engine (26).

3. The underground root crop harvester according to claim 1, characterized in that: A plurality of fixed connecting rods (27) are connected between the support plates (4) on both sides of the vibrating screen (3).

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