CN212436425U

CN212436425U - Crop picking device

Info

Publication number: CN212436425U
Application number: CN202021886622.6U
Authority: CN
Inventors: 陈通
Original assignee: Zhengzhou Chiyue Electronic Technology Co ltd
Current assignee: Zhengzhou Chiyue Electronic Technology Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-02-02
Anticipated expiration: 2030-09-02

Abstract

The crop picking device comprises a picking box, an installation shell, a driving motor and blades, wherein a picking opening is formed in one end of the picking box, the installation shell is arranged at the end part, opposite to the picking opening, of the picking box, the output shaft of the driving motor is connected with the blades, the blades are rotatably arranged at the installation shell under the action of the output shaft of the driving motor, and the height of the picking box is gradually reduced from front to back. The utility model has the advantages of reasonable design simply, pick operation and control convenience, equipment cost is lower, except can being used to safflower flower head to pick, still can be used to crops such as tealeaves, chrysanthemum, cotton to pick, picks efficiently, and the range of application is extensive, has better economic value.

Description

Crop picking device

Technical Field

The utility model belongs to the technical field of the crops are picked, especially, relate to a device is picked to crops.

Background

The safflower is dry flower of safflower of Compositae, is picked when yellow safflower in summer, and is dried in shade or dried in the sun, has pungent and warm nature, and has effects of activating blood circulation, dredging channels, removing blood stasis, and relieving pain, and can be clinically applied to the following symptoms: firstly, amenorrhea due to blood stagnation, dysmenorrhea, postpartum abdominal stagnant pain; second, abdominal mass; thirdly, chest stuffiness and pains, blood stasis and abdominal pain, hypochondriac pain; fourthly, the macula is dark in color due to stasis; fifthly, regurgitation, stasis headache, dizziness, apoplexy and hemiplegia, etc. Because safflower has important medicinal value, the large-scale planting of the safflower is gradually favored by broad medicinal material growers.

However, the existing safflower flowers are usually picked in a manual mode, so that the efficiency is low, the labor cost is high, and the current large-scale efficient picking work requirement is difficult to meet. Based on the above, the utility model provides a rotary-cut formula crops picking head carries out the rationality through the structure to picking head to utilize the principle of negative pressure suction flowers head, realize that the flowers head of safflower is high-efficient to be picked, in order to solve not enough and the defect that prior art exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device is picked to crops that simple structure, excellent in use effect.

In order to solve the technical problem, the utility model provides a following technical scheme: the crop picking device comprises a picking box, an installation shell, a driving motor and blades, wherein a picking opening is formed in one end of the picking box, the installation shell is arranged at the end part, opposite to the picking opening, of the picking box, the output shaft of the driving motor is connected with the blades, the blades are rotatably arranged at the installation shell under the action of the output shaft of the driving motor, and the height of the picking box is gradually reduced from front to back.

The blade is rotatably arranged below the mounting hole in the horizontal direction; the end part of the blade extends into the picking box, the top surface of the picking box is provided with a suction opening, the end part of the blade is positioned below the suction opening, and the suction opening penetrates through the top surface of the picking box.

Picking mouth is loudspeaker form opening, is connected with the back shroud on picking the relative tip of case and picking mouth, and the installation shell is installed on the back shroud, is equipped with the installation cover of vertical setting in the installation shell, and the blade assembly is sheathe in the installation, and the cooperation blade sets up the recess on the back shroud, and the blade rotates and sets up in the recess.

The two ends of the blade are provided with cutting edges which are arc-shaped slopes; the two cutting edges of the blade are arranged in a counterclockwise turning way in the overlooking direction.

The longitudinal section of the mounting shell is circular, a grooved wheel is assembled in the mounting shell, and the grooved wheel is arranged along the width direction of the mounting shell; the blade is fixedly connected to the grooved pulley; the back end of the mounting shell is provided with a suction port.

The grooved pulley comprises a wheel shaft, the wheel shaft is arranged along the width direction of the mounting shell, and the wheel shaft is rotatably arranged on the mounting shell; the two ends of the wheel shaft are connected with wheel plates which are fixedly connected with the wheel shaft; the mounting panel is connected with between the wheel board, and the mounting panel has 1 at least, and each mounting panel is along shaft circumference evenly distributed, and the blade is connected on the wheel board.

The blade edge establishes the cutting edge, and the cutting edge sets up along shaft length direction, and the cutting edge of each blade distributes along anticlockwise.

The suction opening is connected with a negative pressure absorption part, the negative pressure absorption part comprises an exhaust fan and a connecting pipe, the connecting pipe is assembled on the suction opening, and the tail end of the connecting pipe is connected with an exhaust inlet of the exhaust fan.

The bottom surface of the picking box is provided with a bottom plate, and the bottom plate also covers the bottom surface of the mounting shell; the bottom plate is provided with a V-shaped groove, the big end of the V-shaped groove is close to the edge of the bottom plate, the small end of the V-shaped groove is close to the center of the bottom plate, and the big end of the V-shaped groove is positioned below the picking opening.

Through the technical scheme, the beneficial effects of the utility model are that:

for current artifical picking technique, the utility model discloses a mechanical system picks, has efficient, fast, the cost of labor is low and do benefit to the market demand that satisfies the batchization and pick fast, has better practical value.

The utility model has the advantages of reasonable design simply, picking operation and control are convenient, and equipment cost is lower, except can being used to safflower flower head to pick, still can be used to crops such as tealeaves, chrysanthemum, cotton and pick, can make the crop of picking send into to the connector direction under the effect of blade rotary-cut, inhales the collection box through the negative pressure at last and collects. Therefore, the picking head not only has high efficiency, but also has wide application range and better economic value.

The utility model discloses a design of collecting box, convenience of customers directly carries the implementation crop with the collecting box and picks, convenient to carry and convenient to use.

Picking case can avoid to a certain extent because of the blade rotation will cut the thing and run the risk to the outside, and then do benefit to and improve and cut thing collection efficiency, have great market spreading value.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the structure of a picking box according to embodiment 1;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a left side view of FIG. 2;

FIG. 5 is a bottom view of FIG. 2;

FIG. 6 is a sectional view taken along the line A of FIG. 3;

FIG. 7 is a right side view of FIG. 2;

FIG. 8 is a view of a blade mounting structure according to embodiment 1;

FIG. 9 is a view showing the structure of the cutting edge of the blade according to example 1;

FIG. 10 is a schematic structural view of example 2;

fig. 11 is a schematic structural view of a picking box in embodiment 2;

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a bottom view of FIG. 11;

FIG. 14 is a top view of FIG. 11;

FIG. 15 is a schematic view of a blade mounting structure according to embodiment 2;

FIG. 16 is a sectional view taken along line A of FIG. 15;

figure 17 is a sheave construction illustration.

Detailed Description

Example 1, as shown in fig. 1 to 9, includes a picking box 1 and a negative pressure absorbing part, the picking box 1 picks crops, and the negative pressure absorbing part collects the picked crops.

The picking box 1 is box-shaped, the opening at the front end of the picking box 1 is a picking opening, and the picking opening is a trumpet-shaped opening, so that the absorption efficiency of crops is improved, and the phenomenon of clamping the crops is not easy to occur. The picking port is used for being close to the crops and sucking the crops into the picking port; the side appearance of picking case 1 is the right trapezoid structure, and the higher authority of this right trapezoid structure is trapezoidal hypotenuse to do benefit to the air current and flow in picking case 1, thereby improve picking case 1's negative pressure suction effect.

The rear end of the picking box 1 is connected with a rear cover plate 2, the rear cover plate 2 is flush with the bottom surface of the picking box 1, and the cross section of the rear cover plate 2 is semicircular. The top of the rear cover plate 2 is lower than the top of the picking box 1.

2 upper portions of back shroud are equipped with installation shell 3, are equipped with the mounting groove on the installation shell 3, are equipped with installation cover 12 in the mounting groove, and installation cover 12 is vertical to be set up. The installation sleeve 12 rotates and sets up in the mounting groove, in order to guarantee the rotation of installation sleeve 12, is equipped with driving motor 5 on installation shell 3, and driving motor 5's output shaft 11 is connected with installation sleeve 12.

For guaranteeing handheld effect, be equipped with grab handle 4 on installing shell 3, grab handle 4 is used for holding to handheld grab handle 4 realizes the removal to plucking case 1.

During operation, the output shaft 11 of the driving motor 5 rotates, and the output shaft 11 of the driving motor 5 drives the mounting sleeve 12 to rotate.

The blade 9 is assembled on the mounting sleeve 12, the movement track of the blade 9 is circular, the diameter of the circle is equal to that of the circle of the cross section of the rear cover plate 2, the blade 9 is horizontally arranged, and the mounting sleeve 12 is driven by the mounting sleeve 12 to rotate in the horizontal direction under the action of the driving motor 5.

Both ends of the blade 9 are provided with cutting edges which are in a slope; the cutting edges of the two blades 9 are arranged in a counterclockwise turning manner in the overlooking direction. The setting of blade does benefit to the crop on the one hand and picks the cutting, and on the other hand does benefit to and in the rotary-cut picking process, and the crop of picking is through arc slope structure "sweep in" to picking incasement 1 is inside to inhale collection box 14 through the negative pressure, thereby does benefit to the improvement and picks crop suction efficiency. This can be avoided to some extent by the blade 9. Rotate and run the risk of shearing thing to outside, and then do benefit to and improve shearing thing collection efficiency, have great market spreading value.

The connection mode of the blade 9 and the mounting sleeve 12 is as follows: a circular hole is arranged at the connecting center of the blade 9, and a fixing piece 10 is fixedly connected in the circular hole. The lower end of the mounting sleeve 12 is provided with a threaded hole, the upper end of the fixing piece 10 is provided with a threaded head, and the fixing piece 10 is fixedly connected with the mounting sleeve 12 through thread matching.

In order to guarantee the leakproofness of blade 9, prevent to hurt the staff, be equipped with the recess on back apron 2, blade 9 rotates and sets up in the recess, recess and picking box 1 intercommunication, and the minimum distance between picking box 1 and the 2 cross section central points of back apron is less than the radius of back apron 2 cross section. The ends of the blades 9 may protrude from the recesses and into the picking chamber 1.

The top of the picking box 1 is provided with an absorption port, the absorption port penetrates through the top surface of the picking box 1, and the negative pressure absorption part is connected with the absorption port. The suction opening is located above the maximum distance the blade 9 rotates into the picking chamber 1, so that the blade 9 can rotate directly below the suction opening through which the air flow passes from the picking chamber 1 into the collection chamber 14. The blade 9 can just cut off the stalks of the crops in the picking box 1, so that the crops enter the absorption port.

The bottom of picking case 1 is the opening form, and the bottom of the recess of back shroud 2 also is the open-ended, and for guaranteeing to seal, is connected with bottom plate 8 in picking case 1 bottom, and the tip of bottom plate 8 extends to back shroud 2 below, has realized hiding of recess. The connection mode of the bottom plate 8, the picking box 1 and the rear cover plate 2 is as follows: a plurality of threaded holes are correspondingly formed in the edges of the bottom plate 8 and the edges of openings at the bottoms of the picking box 1 and the rear cover plate 2, and the bottom plate 8 is installed at the bottoms of the picking box 1 and the rear cover plate 2 through fixing screws 7.

Be provided with V type groove on the bottom plate 8, the main aspects in V type groove close on the bottom plate 8 edge, and the tip in V type groove closes on bottom plate 8 center, and the main aspects in V type groove is located picking mouthful below, and the tip in V type groove is located the below that the 9 tip of blade stretched into picking incasement back blade 9 tip. The V-shaped groove can guide the fruit stalks of the crops and is beneficial to the contact of the fruit stalks and the blade 9.

The negative pressure absorption part comprises a connecting sleeve 6, a connecting pipe 20 and a collecting box 14.

The suction opening is communicated with a connecting sleeve 6, the connecting sleeve 6 is vertically arranged, and the connecting sleeve 6 is fixedly connected with the picking box 1 into an integral structure; two conical holes which are connected up and down are formed in the connecting sleeve 6, the connecting end of each conical hole is a small diameter end, the arranged conical holes are favorable for airflow to flow in the connecting sleeve 6, meanwhile, vortexes can be formed in the connecting sleeve 6, and high absorption force is continuously provided.

Connecting pipe 20 is connected on adapter sleeve 6, and connecting pipe 20 is flexible PV material, can extend also can rotate in the arbitrary direction, has guaranteed the travelling comfort in the use.

The collecting box 14 is connected with the tail end of a connecting pipe 20, a storage battery 18 is arranged in the collecting box 14, the storage battery 18 is connected with the exhaust fan 17 through a lead, meanwhile, the driving motor 5 is also connected with the storage battery 18 through a lead, a switch is connected in series on the lead, and the switch is arranged on the handle 4. The storage battery 18, the exhaust fan 17 and the driving motor 5 are mature prior art, and can be directly selected from commercially available products. In order to ensure the back carrying of the collecting box 14, a back belt 19 is fixedly arranged in front of the collecting box 14.

The collection box 14 is provided with an assembly groove, the exhaust fan 17 is positioned in the assembly groove, and the assembly groove is provided with a screen plate 16, so that the exhaust fan 17 is protected. A connecting port and an air outlet are arranged on the collecting box 14, and the connecting port is connected with the connecting pipe 20; the air outlet is connected with the suction opening of the exhaust fan 17, and the air outlet is provided with a filter screen 15.

To avoid the collection clogging the suction fan 17, the connection and air outlet openings are located on opposite sides of the collection chamber 14.

The working process is as follows: pressing a switch to drive an exhaust fan 17 and a driving motor 5, holding a grab handle 4 by hand to enable a picking opening to be close to crops, forming negative pressure in a picking box 1 by the exhaust fan 17, enabling the crops to enter the picking box 1 under the action of the negative pressure, enabling stalks of the crops to enter a V-shaped groove and enabling the stalks of the crops to be close to a blade 9 under the guide of the V-shaped groove; the blade 9 rotates under the action of the driving motor 5, finally the blade 9 is cut off from the stalk of the crops, and the crops are finally sucked into the collecting box 14 for collection through the connecting sleeve 6 and the connecting pipe 20 under the action of negative pressure. In this embodiment, negative pressure absorption portion and blade 9 interact, and negative pressure absorption portion can guarantee that crops stretch out towards adapter sleeve 6 direction on the one hand, and blade 9 and stalk contact realize cutting off of stalk on the other hand.

Embodiment 2, as shown in fig. 10 to 17, the present embodiment is different from embodiment 1 in that: in the embodiment 1, the blade is arranged in a rotating mode in the horizontal direction, and in the embodiment 2, the grooved wheel rotates in the vertical direction to drive the blade on the grooved wheel to rotate.

The method specifically comprises the following steps: including picking the case, picking the case and being used for picking crops.

Picking port is arranged at the front end of the picking box 1, and when the picking box is used, crops enter the picking box 1 through the picking port. The structure of the picking box 1, the height inside the picking box 1 is gradually reduced, thereby being beneficial to the concentration of air flow in the picking box 1 and improving the effect of air flow.

The rear end of the picking box 1 is connected with an installation shell 3, the installation shell 3 is communicated with the picking box 1, the longitudinal section of the installation shell 3 is circular, a grooved pulley 7 is arranged in the middle of the installation shell 3, and the grooved pulley 7 is arranged along the width direction of the installation shell 3. The sheave 7 is rotatable relative to the mounting housing 3.

The grooved wheel 7 comprises a wheel shaft 21, the wheel shaft 21 is arranged along the width direction of the mounting shell 3, and the wheel shaft 21 is rotatably arranged on the mounting shell 3; the two ends of the wheel shaft 21 are connected with wheel plates 23, and the wheel plates 23 are fixedly connected with the wheel shaft 21; the wheel plates 23 are connected with at least 1 mounting plate 249, the mounting plates 249 are uniformly distributed along the circumferential direction of the wheel shaft 21, and the blades 9 are connected to the wheel plates 23. The edge of the blade 9 is provided with a blade edge which is arranged along the length direction of the wheel shaft 21. The cutting edges of the blades 9 are distributed in the anticlockwise direction, so that picked crops can be fed towards the rear part of the mounting shell 3 under the rolling cutting action of the blades 9 and finally sucked into the collecting box 13 through negative pressure for collection.

In order to ensure the rotation of the wheel axle 21, a driving motor 5 is connected to the side of the mounting shell 3, and the output shaft of the driving motor 5 is connected with the wheel axle 21.

In order to ensure the installation of the wheel shaft 21 and the driving motor 5, mounting shafts are symmetrically assembled at two ends of the wheel shaft 21, one of the mounting shafts is connected with the driving motor 5, and the other mounting shaft is rotatably connected with the mounting shell 3.

When the crop stalk cutting machine works, the driving motor 5 drives the wheel shaft 21 to rotate, the blade 9 on the wheel shaft 21 also rotates when the wheel shaft rotates, the blade 9 touches the stalks of crops when the blade rotates, and finally the stalks of the crops are cut off.

Picking case 1's bottom is the opening form, and the bottom of installation shell 3 also is the open-ended, and for guaranteeing to seal, be connected with bottom plate 2 in picking case 1 bottom, the tip of bottom plate 2 extends to installation shell 3 below, has realized hiding of installation shell 3. The connection mode of the bottom plate 2, the picking box 1 and the mounting shell 3 is as follows: a plurality of threaded holes are correspondingly formed in the edges of the bottom plate 2 and the bottom opening edges of the picking box 1 and the mounting shell 3, and the bottom plate 2 is mounted at the bottoms of the picking box 1 and the mounting shell 3 through fixing screws.

Be provided with V type groove on bottom plate 2, the main aspects in V type groove are close to bottom plate 2 edges, and the tip in V type groove is close to bottom plate 2 center, and the main aspects in V type groove is located picking mouthful below, and the tip in V type groove is located mounting panel 249 below. The V-shaped groove can guide the fruit stalks of the crops and is beneficial to the contact of the fruit stalks and the blade 9.

The middle part of 3 surfaces of installation shell is connected with grab handle 4, and grab handle 4 is L type structure, and the vertical section of connecting pipe 19 and the middle part fixed connection on picking case 1 top, the horizontal segment of connecting pipe 19 with the axis direction of inhaling binding off 22 aligns and arranges, and connecting pipe 19 extending direction is unanimous with the opening direction of inhaling binding off 22. The connecting tube 19 is used for handling and holding the work of the picking chamber 1.

The rear part of the mounting shell 3 is provided with an absorption opening 22, the absorption opening 22 is connected with a negative pressure absorption part, the negative pressure absorption part comprises an exhaust fan 16 and a connecting pipe 19, the connecting pipe 19 is assembled on the absorption opening 22, and the tail end of the connecting pipe 19 is connected with an air suction opening of the exhaust fan 16.

The negative pressure absorption part comprises a connecting pipe 19 and a collecting box 13.

The suction port 22 is connected with the connecting pipe 19, the connecting pipe 19 is made of flexible PV material, can be extended and can also rotate in any direction, and the comfort in the use process is ensured.

The collecting box 13 is connected to the tail end of the connecting pipe 19, a storage battery 17 is arranged in the collecting box 13, the storage battery 17 is connected with the exhaust fan 16 through a first lead, meanwhile, the driving motor 5 is connected with the storage battery 17 through a second lead, a fan switch and a cut-off switch are respectively connected in series on the first lead and the second lead, and the fan switch and the cut-off switch are both arranged on the grab handle 4.

The storage battery 17, the exhaust fan 16 and the driving motor 5 are mature prior art and can be directly selected from commercially available products. In order to ensure the back carrying of the collecting box 13, a back belt 18 is fixedly arranged in front of the collecting box 13.

The collection box 13 is provided with an assembly groove, the exhaust fan 16 is positioned in the assembly groove, and the assembly groove is provided with a screen plate 15, so that the exhaust fan 16 is protected. The collecting box 13 is provided with a connecting port and an air outlet, and the connecting port is connected with the connecting pipe 19; the air outlet is connected with the suction opening of the exhaust fan 16, and a filter screen 14 is arranged on the air outlet.

To avoid the collection clogging the suction fan 16, the connection and air outlet openings are located on opposite sides of the collection chamber 13.

The working process is as follows: pressing a fan switch to enable an exhaust fan 16 to work, holding a grab handle 4 to enable a picking opening to be close to crops, forming negative pressure in a picking box 1 by the exhaust fan 16, enabling the crops to enter the picking box 1 under the action of the negative pressure, enabling stems of the crops to enter a V-shaped groove, pressing a cut-off switch at the moment, driving a motor 5 to drive a grooved pulley 7 to rotate, enabling a blade 9 to rotate under the action of the grooved pulley 7, enabling the blade 9 to be in contact with the stems of the crops, cutting off the stems of the crops, loosening the cut-off switch, and stopping the operation of the driving motor 5; the cut crops are finally sucked into the collecting box 13 for collection through the connecting sleeve and the connecting pipe 19 under the action of negative pressure. In this embodiment, negative pressure absorption portion and blade 9 interact, and negative pressure absorption portion can guarantee that crops stretch out towards the adapter sleeve direction on the one hand, and blade 9 and stalk contact realize cutting off of stalk on the other hand. Meanwhile, when the stalk of the crop approaches another crop, the cut-off switch is pressed down again after the stalk of the crop enters the V-shaped groove, and the cut-off switch is loosened after the stalk of the crop is cut off, and the operation is repeated in sequence until the crop is completely picked.

Wherein the rotating speed of the driving motor 5 is 2000-3000 r/min.

The utility model has the advantages of reasonable design simply, pick operation and control convenience, equipment cost is lower, except can being used to safflower flower head to pick, still can be used to crops such as tealeaves, chrysanthemum, cotton to pick, picks efficiently, and the range of application is extensive, has better economic value.

Claims

1. Device is picked to crops, its characterized in that: the picking box comprises a picking box body, an installation shell, a driving motor and blades, wherein a picking opening is formed in one end of the picking box body, the installation shell is arranged at the end part, opposite to the picking opening, of the picking box body, the output shaft of the driving motor is connected with the blades, the blades are rotatably arranged at the installation shell under the action of the output shaft of the driving motor, and the height of the picking box body is gradually reduced from front to back.

2. A crop picking apparatus as claimed in claim 1, in which: the blade is rotatably arranged below the mounting shell in the horizontal direction; the end part of the blade extends into the picking box, the top surface of the picking box is provided with a suction opening, the end part of the blade is positioned below the suction opening, and the suction opening penetrates through the top surface of the picking box.

3. A crop picking apparatus as claimed in claim 2, in which: the end part of the picking box opposite to the picking port is connected with a rear cover plate, the mounting shell is arranged on the rear cover plate, a vertically arranged mounting sleeve is arranged in the mounting shell, the blade is assembled on the mounting sleeve, a groove is arranged on the rear cover plate in a matched mode, the groove is communicated with the picking box, and the blade is rotatably arranged in the groove.

4. A crop picking apparatus as claimed in claim 3, in which: the two ends of the blade are provided with cutting edges which are arc-shaped slopes; the two cutting edges of the blade are arranged in a counterclockwise turning way in the overlooking direction.

5. A crop picking apparatus as claimed in claim 1, in which: the longitudinal section of the mounting shell is circular, a grooved wheel is assembled in the mounting shell, and the grooved wheel is arranged along the width direction of the mounting shell; the blade is fixedly connected to the grooved pulley; the back end of the mounting shell is provided with a suction port.

6. A crop picking apparatus as claimed in claim 5, in which: the grooved pulley comprises a wheel shaft, the wheel shaft is arranged along the width direction of the mounting shell and is parallel to the mounting shell, and the wheel shaft is rotationally arranged on the mounting shell; the two ends of the wheel shaft are connected with wheel plates which are fixedly connected with the wheel shaft; the mounting plates are connected between the wheel plates and are parallel to the wheel shafts, the number of the mounting plates is at least 1, the mounting plates are evenly distributed along the circumferential direction of the wheel shafts, the blades are connected to the mounting plates, and the rotating tracks of the blades and the mounting plates are tangent.

7. A crop picking apparatus as claimed in claim 6, in which: the edge of the blade is provided with a cutting edge which is arranged along the length direction of the wheel shaft.

8. A crop picking apparatus as claimed in claim 7, in which: the cutting edges of the respective blades are distributed in the counterclockwise direction.

9. A crop picking apparatus as claimed in any of claims 2 to 8, in which: the suction opening is connected with a negative pressure absorption part, the negative pressure absorption part comprises an exhaust fan and a connecting pipe, the connecting pipe is assembled on the suction opening, and the tail end of the connecting pipe is connected with an exhaust inlet of the exhaust fan.

10. A crop picking apparatus as claimed in claim 9, in which: the bottom surface of the picking box is provided with a bottom plate, and the bottom plate also covers the bottom surface of the mounting shell; the bottom plate is provided with a V-shaped groove, the big end of the V-shaped groove is close to the edge of the bottom plate, the small end of the V-shaped groove is close to the center of the bottom plate, and the big end of the V-shaped groove is positioned below the picking opening.