CN211322054U

CN211322054U - Garlic harvester with spiral transmission function

Info

Publication number: CN211322054U
Application number: CN201921551428.XU
Authority: CN
Inventors: 张宝锋; 苏宇龙; 宋朝霞; 郭嘉鹏; 黄博宇
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-25
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a garlic harvester with spiral transmission function, including the main tributary strut, the one end of main tributary strut is erect on the box, and the other end of main tributary strut is connected and is dug native and receive garlic mechanism, and it realizes connecting through drive mechanism between garlic mechanism and the box to dig native receipts, and the garlic that digs native and receive garlic mechanism and dig can reach the box through drive mechanism, and the bottom half is provided with the main shaft, and the wheel is installed to main shaft bilateral symmetry, and it is provided with a pair of universal wheel to dig native receipts garlic mechanism bottom, and the bottom half still is provided with the battery. The utility model provides a current manual work gather the process numerous and diverse, gather inefficiency to and the large-scale machinery problem that garlic is with high costs of gathering.

Description

Garlic harvester with spiral transmission function

Technical Field

The utility model belongs to the technical field of the garlic is gathered, concretely relates to garlic harvester with screw drive function.

Background

The garlic is an important economic crop in China, the planting area, the total yield and the export quantity of the garlic are all higher than the top of the world, and the garlic is one of dominant export agricultural products in China. The garlic planting range is mainly concentrated in subtropical zones and warm temperate zones, particularly the zone which takes Xuzhou of Jiangsu as the center and has the radius of 500km is the most concentrated zone for garlic planting in China, and accounts for more than 80% of the total garlic planting area of China. The garlic harvesting machinery developed in China is late, the technical storage and research and development strength are not enough, the related investment is little, and the mechanized harvesting level of garlic in China is extremely low. Data show that the mechanized harvesting area of garlic in the first major production province of garlic in China, Shandong province, is less than 0.1 percent. At present, only about 15 kinds of garlic harvesting machines including research institutes and enterprises are researched and developed, and most of garlic harvesting machines are sectional type harvesting equipment, and only the working procedures of digging and unearthing are completed. Generally, the research and development of garlic harvesting machinery in China are still in a starting stage, most equipment is still in a prototype test and a pilot test curing stage, and the aspects of operation quality, adaptability, reliability, economy and the like need to be improved.

For a long time, the key point of agricultural mechanized development in China is mainly focused on crops such as rice, wheat, oil and cotton, the mechanical production level of garlic is far behind that of developed countries in Europe and America due to the relative insufficient emphasis on economic crops such as garlic, especially the harvesting operation link still follows the traditional manual operation mode, the labor intensity is high, the efficiency is low, and the production cost is high, so that the garlic harvester becomes the main bottleneck of the development of the garlic industry in China. Therefore, it is necessary to design and research a garlic harvester with a spiral transmission function, which can efficiently complete harvesting operations such as garlic stem cutting, digging, conveying, soil removing, collecting and the like, has high cost performance and is convenient to operate, and has important practical application value.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a garlic harvester with spiral transmission function has solved current manual work and has gathered the process numerous and diverse, gather inefficiency to and the large-scale machinery problem that garlic is with high costs of gathering.

The utility model provides a technical scheme who adopts is, a garlic harvester with spiral transmission function, including the main tributary strut, the one end of main tributary strut is erect on the box, and the other end of main tributary strut is connected and is dug native receipts garlic mechanism, and it realizes connecting through drive mechanism between garlic mechanism and the box to dig native receipts garlic, and the garlic that digs native receipts garlic mechanism and adopt can reach the box through drive mechanism, and the bottom half is provided with the main shaft, and the wheel is installed to the main shaft bilateral symmetry, and it is provided with a pair of universal wheel to dig native receipts garlic mechanism bottom, and the bottom half still is provided with the battery.

The utility model is also characterized in that,

the specific structure of the transmission mechanism is as follows: the garlic digging machine comprises a pair of sieve rollers arranged in parallel, one end of each sieve roller is connected with a box body through a flange plate C, the other end of each sieve roller is connected with a digging and garlic collecting mechanism through a flange plate A, the flange plates C and the flange plates A are internally provided with bearings, each sieve roller is internally provided with a screw shaft along the axial direction, the screw shafts are provided with continuous screw blades, one end of each screw shaft connected with the box body is also connected with a motor A, the motor A provides rotary power for the screw shafts, the motor A is also connected with a storage battery, the storage battery supplies power for the motor A, and part of side walls of the box body, on which the sieve rollers are located, are provided with leaking ports, and garlic falling.

A pair of auxiliary supporting frames is further arranged between the main supporting frame and the box body, the auxiliary supporting frames are arranged on two sides of the main supporting frame, and the auxiliary supporting frames, the main supporting frame and the box body which are located on the same side form a triangular structure, so that the stability of the whole structure is improved.

The wall of the sieve roller is evenly provided with a plurality of small holes, and soil carried on garlic in the sieve roller can be scattered through the small holes.

The concrete structure of the digging garlic harvesting mechanism is as follows: the garlic cutting machine comprises a frame body connected with a pair of universal wheels, the frame body is fixedly connected with one end of a main support frame through a base, a pair of fixing joints B are further arranged on the frame body, a flange B is arranged in each fixing joint B, the fixing joints B are connected with the base in a matched mode through shafts, the frame body is connected with a pair of motors B through a pair of fixing joints A, the motors B are connected with a storage battery, the storage battery supplies power to the motors B, the fixing joints A and the motors B correspond to each other in a one-to-one mode and are fixedly connected through steel pipes matched with positioning pins, each motor B is connected with a rotary cutting tool, the motors B provide power for the rotary cutting tools to cut off stem and leaf parts of garlic on the ground, connecting rods C are movably connected at positions of the frame body close to the universal wheels on two sides, and the connecting positions of the connecting, the middle position is provided with a long strip bolt hole, the inclination degree of the connecting rods C can be adjusted through the long strip bolt hole, one end of each connecting rod C is also connected with one end of the connecting rod A on the same side, the other end of the connecting rod A is also connected with one end of the connecting rod B, the end of the connecting rod A connected with the connecting rod C is also movably connected with one end of the sleeve B, the other end of the sleeve B is vertically connected with the main support frame, the other ends of the two connecting rods B are movably connected with one end of the sleeve A, the other end of the sleeve A is vertically connected with the main support frame, the sleeve A and the sleeve B are parallel to each other and are coplanar with the main support frame, the other ends of the two connecting rods C are fixedly connected with two sides of the soil digging and garlic collecting cutter, the connecting rods C, the connecting rods B and the connecting rods A form a telescopic structure, the adaptability between the soil digging and garlic collecting cutter and the, the opening end of the digging and garlic collecting cutter is also provided with a plurality of digging shovels, the digging shovels can dig out garlic from the ground in the whole machine advancing process, the other end of the digging and garlic collecting cutter opposite to the opening is positioned between the pair of sieve rollers, baffles are arranged at the middle position and the edge position of the digging and garlic collecting cutter between the pair of sieve rollers, garlic inlets are formed in the side walls of the sieve rollers close to the digging and garlic collecting cutter, and the baffles can enable garlic entering the digging and garlic collecting cutter to smoothly enter the sieve rollers from the garlic inlets, so that the garlic is prevented from falling out of the digging and garlic collecting cutter.

The base is also provided with a handle, so that the whole device is convenient to use and transfer.

An included angle of 15-25 degrees is formed between the digging and garlic harvesting cutters and the bottom surface, the included angle is adjusted through the elongated bolt holes, and by adjusting the included angle, the application field of the garlic harvesting machine with the spiral transmission function can be effectively expanded, so that the garlic harvesting machine can be applied to garlic fields with different soil foundations, growth states and seeding depths.

The bottom of the middle position of the main support frame is also provided with a pair of pulley tracks along the length direction, pulleys are arranged in the pulley tracks, the pair of pulleys are connected and fixed through a connecting rod and then are connected with a pair of adjustable universal wheels, the pair of adjustable universal wheels can slide along the pulley tracks, one end of each pulley track, which is close to the box body, is also provided with a self-locking bulge, the distance between the self-locking bulge and the bottom inside the pulley track is larger than the diameter of the pulley, when the whole soil digging and garlic harvesting mechanism is lifted up, the adjustable universal wheels slide along the pulley tracks to the direction close to the box body, at the moment, the pulley slides through the self-locking bulge and reaches one end of the pulley track, which is close to the box body, when the whole machine is placed on the ground, as the pair of adjustable universal wheels are grounded to play a supporting role, the whole machine is stably placed.

The main shaft is fixed through installing bearing on the bearing frame of bottom half, and the bearing can effectively reduce coefficient of friction, and the main shaft intermediate position is connected with the band pulley, is connected through the V area between the walking motor of band pulley and bottom half, and the V area passes through the key-type connection with the main shaft and transmits power, and the walking motor passes through the V area with power transmission for the main shaft and then drive the wheel rotation.

The rotary cutting tool is a circular blade, the circumferential edge of the blade is in a sawtooth shape, a plurality of small holes are formed in the side wall and the bottom of the box body, and soil carried on garlic in the box body can be scattered through the small holes.

The utility model has the advantages that the garlic harvester with the spiral transmission function can complete harvesting links of garlic stem cutting, digging, conveying, soil removing, collecting, transferring and the like at one time; the soil-digging garlic-harvesting cutter of the garlic harvester with the spiral transmission function can loosen soil and dig up garlic completely, and can effectively reduce damage to garlic; the spiral conveying mechanism is provided with the roller with the screen, so that not only can the garlic be prevented from falling off, the soil adhered to the garlic bulbs can be removed, but also the manual picking can be effectively avoided, the labor intensity of garlic harvesting personnel can be effectively reduced, the fatigue accumulation of the garlic harvesting personnel can be reduced, and the damage of dust and the like to the harvesting personnel in the traditional manual garlic harvesting process can be reduced; the garlic harvester with the spiral transmission function has the advantages that motors of all parts work separately and cooperate, so that the efficiency is high; in the structure, the bearing A, the screw shaft and the screw blade are tightly and effectively matched, so that the transmission is smooth and quick; the self-locking mechanism formed by the fixed track pulley mechanism and the universal wheel ensures that the universal wheel is more stably supported; the transmission is more stable by using the V belt wheel, the noise is low, and the maintenance is convenient; the connecting rod device and the triangular support frame ensure that the machine can stably work on uneven ground; the collecting transmission device is tightly connected with the transmission device through a bracket, so that the machine is more stable when bearing load; when the harvester does not work, the front half part of the conveying device is lifted, so that the harvester can be conveniently transferred.

Drawings

FIG. 1 is a schematic view of the overall structure of the garlic harvester with screw transmission function;

FIG. 2 is a top view of the whole structure of the garlic harvester with spiral transmission function of the present invention;

FIG. 3 is a schematic view of garlic inlet and outlet of a garlic harvester with a screw transmission function of the present invention;

FIG. 4 is a schematic view of the overall structure of a garlic harvester with a spiral transmission function of the present invention;

FIG. 5 is a side view of the whole structure of the garlic harvester with spiral transmission function of the present invention;

FIG. 6 is a schematic view of a driving device of a garlic harvester with a screw driving function of the present invention;

FIG. 7 is a schematic view of a fixed track pulley mechanism in a non-self-locking state;

FIG. 8 is a schematic view of a self-locking state of a fixed-track pulley mechanism;

fig. 9 is a side view of the whole structure of the garlic harvester with spiral transmission function in the non-working state.

In the figure, 1, wheels, 2, a main support frame, 3, a screen roller, 4, an auxiliary support frame, 5, a universal wheel, 6, a main shaft, 7, a box body, 8, an earth digging and garlic harvesting knife, 9, a flange A, 10, a sleeve A, 11, a fixed knot A, 12, a fixed knot B, 13, a flange B, 14, a connecting rod A, 15, a connecting rod B, 16, a traveling motor, 17, a belt wheel, 18, a V belt, 19, a handle, 20, a connecting rod C, 21, a baffle, 22, a fixed track pulley mechanism, 23, an adjustable universal wheel, 24, a screw shaft, 25, a flange C, 26, motors A, 27, a bearing seat, 28, motors B, 29, a rotary cutting tool, 30, a pulley, 31, a pulley track, 32, a leakage outlet, 33, a frame body, 34, a garlic inlet, 35, a base, 36, a sleeve B, 37, a self-locking protrusion, 38 and a storage battery.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a garlic harvester with helical drive function, as shown in fig. 1 ~ 2, fig. 9, including main tributary strut 2, main tributary strut 2's one end is erect on box 7, main tributary strut 2's the other end is connected and is dug native garlic mechanism, it realizes connecting through drive mechanism between garlic mechanism and the box 7 to dig native, it can reach box 7 through drive mechanism to dig the garlic of garlic mechanism mining to dig native, the box 7 bottom is provided with main shaft 6, wheel 1 is installed to 6 bilateral symmetry of main shaft, it is provided with a pair of universal wheel 5 to dig native garlic mechanism bottom, box 7 bottom still is provided with battery 38.

The specific structure of the transmission mechanism is as follows: the garlic digging and garlic harvesting machine comprises a pair of screen rollers 3 which are arranged in parallel, one end of each screen roller 3 is connected with a box body 7 through a flange C25, the other end of each screen roller 3 is connected with the garlic harvesting mechanism through a flange A9, bearings are arranged in the flanges C25 and A9, a screw shaft 24 is arranged in each screen roller 3 along the axial direction, continuous screw blades are arranged on the screw shafts 24, one end, connected with the box body 7, of each screw shaft 24 is further connected with a motor A26, the motor A26 provides rotating power for the screw shafts 24, the motor A26 is further connected with a storage battery 38, the storage battery 38 supplies power for the motor A26, as shown in figure 3, a leakage outlet 32 is formed in the side wall of the part, located on the box body 7, of each screen roller 3, and garlic of each screen roller 3 falls into the box body 7.

A pair of auxiliary support frames 4 are further arranged between the main support frame 2 and the box body 7, the auxiliary support frames 4 are respectively arranged on two sides of the main support frame 2, and the auxiliary support frames 4, the main support frame 2 and the box body which are positioned on the same side form a triangular structure, so that the stability of the whole structure is improved.

The wall of the sieve roller 3 is evenly provided with a plurality of small holes, and soil carried on the garlic in the sieve roller 3 can be scattered through the small holes.

As shown in fig. 4 and 5, the soil digging and garlic harvesting mechanism has the specific structure that: the garlic harvester comprises a frame body 33 connected with a pair of universal wheels 5, the frame body 33 is fixedly connected with one end of a main support frame 2 through a base 35, the frame body 33 is further provided with a pair of fixed joints B12, each fixed joint B12 is internally provided with a flange B13, the fixed joints B12 are matched and connected with the base 35 through a shaft and a flange B13, the frame body 33 is connected with a pair of motors B28 through a pair of fixed joints A11, a pair of motors B28 are connected with a storage battery 38, the storage battery 38 supplies power for the pair of motors B28, a one-to-one correspondence relationship is formed between the fixed joints A11 and the motors B28 and the fixed joints are connected and fixed through steel pipe matched positioning pins, each motor B28 is connected with a rotary cutting tool 29, the motors B28 provide power for the rotary cutting tool 29 to cut off stem and leaf parts of garlic on the ground, connecting rods C20 are movably connected at positions of the frame body 33 close to the universal wheels 5 on two sides, and the connecting position, the middle position is provided with a long strip bolt hole, the inclination degree of a connecting rod C20 can be adjusted through the long strip bolt hole, one end of each connecting rod C20 is also connected with one end of a connecting rod A14 on the same side, the other end of the connecting rod A14 is also connected with one end of a connecting rod B15, one end of the connecting rod A14 connected with a connecting rod C20 is also movably connected with one end of a sleeve B36, the other end of the sleeve B36 is vertically connected with the main support frame 2, the other ends of two connecting rods B15 are both movably connected with one end of the sleeve A10, the other end of the sleeve A10 is vertically connected with the main support frame 2, the sleeve A10 and the sleeve B36 are parallel to each other and are coplanar with the main support frame 2, the other ends of the two connecting rods C20 are both fixedly connected with two sides of the soil digging and garlic harvesting cutter 8, the connecting rod C20, the connecting rod B15 and the connecting rod A14 form a telescopic structure, the adjustment of the adaptability between the soil harvesting cutter 8 and the soil harvesting cutter 8, the opening end of the digging and garlic harvesting cutter 8 is also provided with a plurality of digging shovels, the digging shovels can dig out the garlic from the ground in the whole machine advancing process, the other end of the digging and garlic harvesting cutter 8 opposite to the opening is positioned between the pair of sieve rollers 3, and the middle position and the edge position of the digging and garlic harvesting cutter 8 positioned between the pair of sieve rollers 3 are provided with baffle plates 21, as shown in fig. 3, the side wall of the sieve roller 3 close to the digging and garlic harvesting cutter 8 is provided with a garlic inlet 34, and the baffle plates 21 can ensure that the garlic entering the digging and garlic harvesting cutter 8 can smoothly enter the sieve rollers 3 from the garlic inlet 34, thereby avoiding the garlic from falling out of the digging and garlic harvesting cutter 8.

The base 35 is also provided with a handle 19 to facilitate the use and transfer of the entire device.

An included angle of 15-25 degrees is formed between the digging garlic harvesting cutter 8 and the bottom surface, the included angle is adjusted through the elongated bolt hole, and by adjusting the included angle, the application field of the garlic harvesting machine with the spiral transmission function can be effectively expanded, so that the garlic harvesting machine can be applied to garlic lands with different soil foundations, growth states and seeding depths.

As shown in fig. 7 and 8, a pair of pulley rails 31 are further arranged at the bottom of the main support frame 2 along the longitudinal direction, pulleys 30 are arranged in the pulley rails 31, the pair of pulleys 30 are connected and fixed through a connecting rod and then connected with the pair of adjustable universal wheels 23, the pair of adjustable universal wheels 23 can slide along the pulley rails 31, a self-locking protrusion 37 is further arranged at one end of each pulley rail 31 close to the box body 7, the distance between the self-locking protrusion 37 and the bottom inside the pulley rail 31 is larger than the diameter of the pulley 30, when the whole digging and garlic harvesting mechanism is lifted up, the adjustable universal wheels 23 slide along the pulley rails 31 towards the direction close to the box body 7, at the moment, the pulley 30 slides through the self-locking protrusion 37 and reaches one end of each pulley rail 31 close to the box body 7, when the whole machine is placed on the ground, the pair of adjustable universal wheels 23, at this time, the connecting rod rises to drive the pulley 30 to rise, and the pulley 30 is just clamped between the self-locking protrusion 37 and one end of the pulley rail 31 close to the box body 7, so that the whole machine is stably placed.

As shown in fig. 6, the main shaft 6 is fixed by a bearing installed on a bearing seat 27 at the bottom of the box 7, the bearing can effectively reduce the friction coefficient, the belt pulley 17 is connected to the middle position of the main shaft 6, the belt pulley 17 is connected with the traveling motor 16 at the bottom of the box 7 through the V-belt 18, the V-belt 18 is connected with the main shaft 6 through a key to transmit power, and the traveling motor 16 transmits power to the main shaft 6 through the V-belt 18 to drive the wheel 1 to rotate.

The rotary cutting tool 29 is a circular blade, the circumferential edge of the blade is in a sawtooth shape, a plurality of small holes are formed in the side wall and the bottom of the box body 7, and soil carried on garlic in the box body 7 can be scattered through the small holes.

The utility model relates to a garlic harvester with spiral transmission function, the theory of operation as follows:

when garlic is required to be collected, the rotary cutting cutter 29 is aligned with stems and leaves of garlic, the motor B28 provides power for the rotary cutting cutter 29 to cut off stem and leaf parts of garlic on the ground, at the moment, a plurality of digging shovels on the digging and garlic collecting cutter 8 are driven by the connecting rod C20 to be inserted into the soil to dig up the garlic, the garlic dug out from the soil slides up along the digging and garlic collecting cutter 8 due to the accumulation of the soil to enter a pair of sieve rollers 3, the baffle plate 21 can block part of the garlic which does not enter the sieve rollers 3 from falling into the ground, the garlic entering the sieve rollers 3 slides up along the screw shaft 24 under the spiral driving action of the screw shaft 24, when the garlic slides to the leakage port 32, the garlic enters the box 7 through the leakage port 32, when the garlic slides up in the sieve rollers 3, the screw shaft 24 is connected with the motor A26, the motor A26 drives the screw shaft 24 to rotate, at the moment, the spiral blades on the screw shaft 24 form a spiral sliding channel, the garlic ascends along the spiral shaft 24 due to the ascending spiral force, when the garlic is collected, the handle 19 is lifted, the handle 19 drives the base 35 to move upwards integrally, because the frame body 33, the main supporting frame 2, the fixed knot B12 and the fixed knot A11 are in transmission relation, the entire soil-excavating garlic-harvesting mechanism is eventually lifted until the rotary cutter 29 and the soil-excavating garlic-harvesting cutter 8 are lifted off the ground, at which time, as the main supporting frame 2 is lifted up, the connecting rod can be driven to lift the adjustable universal wheels 23, at the moment, the pair of pulleys 30 can slide down along the pulley track 31 due to gravity, when the harvesting mechanism slides to a position between the self-locking protrusion 37 and one end of the pulley track 31 close to the box body 7, the whole harvesting mechanism is placed downwards, the pair of pulleys 30 slightly ascend in the pulley track 31 at the moment, and the pulleys 30 are just clamped between the self-locking protrusion 37 and the pulley track 31 to generate self-locking so as to support the conveying device of the harvesting mechanism.

Claims

1. The utility model provides a garlic harvester with spiral transmission function, a serial communication port, including main tributary strut (2), the one end of main tributary strut (2) is erect on box (7), the other end of main tributary strut (2) is connected and is dug native receipts garlic mechanism, it realizes connecting through drive mechanism between receiving garlic mechanism and the box (7) to dig native, the garlic that digs native receipts garlic mechanism and excavate can reach box (7) through drive mechanism, box (7) bottom is provided with main shaft (6), wheel (1) are installed to main shaft (6) bilateral symmetry, it is provided with a pair of universal wheel (5) to dig native receipts garlic mechanism bottom, box (7) bottom still is provided with battery (38).

2. The garlic harvester with the spiral transmission function as claimed in claim 1, wherein the transmission mechanism has a specific structure as follows: comprises a pair of sieve rollers (3) which are arranged in parallel, one end of each sieve roller (3) is connected with a box body (7) through a flange plate C (25), the other end of each sieve roller (3) is connected with the digging and garlic collecting mechanism through a flange plate A (9), bearings are arranged in the flange plates C (25) and the flange plates A (9), a spiral shaft (24) is arranged in each sieve roller (3) along the axial direction, continuous spiral blades are arranged on the spiral shaft (24), one end of the spiral shaft (24) connected with the box body (7) is also connected with a motor A (26), the motor A (26) provides rotary power for the spiral shaft (24), the motor A (26) is also connected with a storage battery (38), the storage battery (38) supplies power for the motor A (26), and a leakage outlet (32) is arranged on the part of the side wall of the sieve roller (3) positioned in the box body (7), the garlic in the sieve roller (3) falls into the box body (7) through the leakage outlet (32).

3. The garlic harvester with the spiral transmission function according to claim 2, wherein a pair of auxiliary support frames (4) are further arranged between the main support frame (2) and the box body (7), the auxiliary support frames (4) are respectively arranged at two sides of the main support frame (2), and the auxiliary support frames (4), the main support frame (2) and the box body which are positioned at the same side form a triangular structure, so that the stability of the whole structure is improved.

4. The garlic harvester with spiral transmission function as claimed in claim 2, wherein the wall of the sieve drum (3) is uniformly provided with a plurality of small holes, and the small holes can enable the soil carried on the garlic in the sieve drum (3) to be scattered.

5. The garlic harvester with spiral transmission function as claimed in claim 2, wherein the earth digging garlic harvesting mechanism is specifically structured as follows: including support body (33) of connecting a pair of universal wheel (5), support body (33) with main tributary strut (2) one end passes through base (35) rigid coupling, still be provided with a pair of fixed knot B (12) on support body (33), be equipped with ring flange B (13) in every fixed knot B (12), be connected through axle and ring flange B (13) cooperation between fixed knot B (12) and base (35), support body (33) are connected with a pair of motor B (28) through a pair of fixed knot A (11), a pair of motor B (28) all with battery (38) are connected, supply power for a pair of motor B (28) by battery (38), be the corresponding relation of one to one between fixed knot A (11) and motor B (28) and connect fixedly through steel pipe cooperation locating pin, every motor B (28) all are connected with a rotatory cutting tool (29), motor B (28) provide power for rotatory cutting tool (29) and are used for being located the stem leaf part stem leaf that the garlic is located on the ground Cutting off, movably connecting rods C (20) at positions of the frame body (33) close to the universal wheels (5) at the two sides, wherein the connecting part of the connecting rods C (20) and the frame body (33) is positioned at the middle position of the connecting rods C (20), the middle position is provided with strip-shaped bolt holes, the inclination degree of the connecting rods C (20) can be adjusted through the strip-shaped bolt holes, one end of each connecting rod C (20) is also connected with one end of a connecting rod A (14) at the same side, the other end of the connecting rod A (14) is also connected with one end of a connecting rod B (15), one end of the connecting rod A (14) connected with the connecting rod C (20) is also movably connected with one end of a sleeve B (36), the other end of the sleeve B (36) is vertically connected with the main support frame (2), the other ends of the two connecting rods B (15) are both movably connected with one end of a sleeve A (10), and the, the sleeve A (10) and the sleeve B (36) are parallel to each other and are coplanar with the main support frame (2), the other ends of the two connecting rods C (20) are fixedly connected with the two sides of the soil digging and garlic harvesting cutter (8), the connecting rods C (20), the connecting rods B (15) and the connecting rods A (14) form a telescopic structure, the adaptability between the soil digging and garlic harvesting cutter (8) and the ground is adjusted, the soil digging and garlic harvesting cutter (8) is dustpan-shaped, one end of the opening of the soil digging and garlic harvesting cutter (8) is close to the pair of rotary cutting cutters (29), the opening end of the soil digging and garlic harvesting cutter (8) is also provided with a plurality of soil digging shovels, the direction of the soil digging shovels can dig garlic out from the ground in the whole machine advancing process, the other end of the soil digging and garlic harvesting cutter (8) opposite to the opening is positioned between the pair of sieve rollers (3), and the middle position and the edge position of the soil digging and garlic harvesting cutter (8) positioned between the pair of sieve rollers (, the side wall of the sieve roller (3) close to the digging garlic collecting cutter (8) is provided with a garlic inlet (34), and the baffle (21) can ensure that the garlic entering the digging garlic collecting cutter (8) smoothly enters the sieve roller (3) from the garlic inlet (34) so as to avoid the garlic falling out of the digging garlic collecting cutter (8).

6. A garlic harvester with screw drive according to claim 5, characterized in that the base (35) is further provided with a handle (19) to facilitate the use and transfer of the whole device.

7. The garlic harvester with spiral transmission function as claimed in claim 5, wherein a pair of pulley rails (31) are further arranged at the bottom of the middle position of the main support frame (2) along the longitudinal direction, pulleys (30) are arranged in the pulley rails (31), the pair of pulleys (30) are connected and fixed through connecting rods and then connected with a pair of adjustable universal wheels (23), the pair of adjustable universal wheels (23) can slide along the pulley rails (31), a self-locking protrusion (37) is further arranged at one end of each pulley rail (31) close to the box body (7), the distance between the self-locking protrusion (37) and the inner bottom of each pulley rail (31) is larger than the diameter of each pulley (30), when the soil digging and garlic harvesting mechanism is lifted up completely, the adjustable universal wheels (23) slide along the pulley rails (31) towards the box body (7), and the pulleys (30) slide through the self-locking protrusion (37) until the pulley rails (31) are close to the box body One end of the body (7) places the whole machine on the ground, and because the pair of adjustable universal wheels (23) are grounded to play a supporting role, the connecting rod rises to drive the pulley (30) to rise at the moment, and the pulley (30) is just clamped between the self-locking protrusion (37) and one end of the pulley rail (31) close to the box body (7), so that the whole machine is stably placed.

8. The garlic harvester with the spiral transmission function according to claim 7, wherein the main shaft (6) is fixed through a bearing installed on a bearing seat (27) at the bottom of the box body (7), the bearing can effectively reduce the friction coefficient, a belt wheel (17) is connected to the middle position of the main shaft (6), the belt wheel (17) is connected with a traveling motor (16) at the bottom of the box body (7) through a V-shaped belt (18), the V-shaped belt (18) is connected with the main shaft (6) through a key to transmit power, the traveling motor (16) transmits power to the main shaft (6) through the V-shaped belt (18) to further drive the wheels (1) to rotate, the traveling motor (16) is further connected with the storage battery (38), and the storage battery (38) supplies power to the traveling motor (16).

9. A garlic harvester with spiral transmission function according to claim 8, characterized in that the rotary cutting tool (29) is a circular blade, the circumferential edge of the blade is saw-toothed, the side wall and the bottom of the box body (7) are provided with a plurality of small holes, and the soil carried on the garlic in the box body (7) can be scattered through the small holes.