CN112997636A

CN112997636A - Agricultural crops seeding equipment with mechanism of digging pit

Info

Publication number: CN112997636A
Application number: CN202110204471.4A
Authority: CN
Inventors: 张雅琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-06-22

Abstract

The invention relates to the technical field of sowing equipment, in particular to agricultural crop sowing equipment with a pit digging mechanism, which comprises a sowing equipment main body, wherein the sowing equipment main body comprises a fixed base, a first fixed plate is connected to the edge position of the top end surface of the fixed base, a second connecting plate is connected to the inner wall of the top end of the first fixed plate, and a screening mechanism is connected to the top end surface of the second connecting plate; this agricultural crops seeding equipment with mechanism of digging pit through setting up the mechanism of digging pit, can conveniently dig the operation of digging pit to the soil property in planting the region to conveniently plant fruit tree class crops, and the device is through setting up screening mechanism, can conveniently filter great loam granule, and then can conveniently cover in crops surface back to making the loam, the gap between the soil block granule is less, thereby can conveniently ensure the planting temperature of crops, increases the survival rate of crops.

Description

Agricultural crops seeding equipment with mechanism of digging pit

Technical Field

The invention relates to the technical field of seeding equipment, in particular to agricultural crop seeding equipment with a pit digging mechanism.

Background

Crops are various plants cultivated in agriculture. Including grain crops and economic crops. The food is taken by people as days, the relationship between people and food is expressed, and the reasonable meal collocation can bring health to people. The growth of crops can not leave scientific technological production technology and novel industrially manufactured mechanical equipment capable of assisting agricultural production, and in the planting process of certain fruit and tree crops, crop sowing equipment is also required.

At present, when the existing partial agricultural crop seeding equipment works, seeds are generally only placed in the seeding equipment, and meanwhile, the seeding equipment is driven to perform straight seeding along gullies reclaimed by the seeding equipment, but the existing seeding equipment generally only can perform ditching along the surface of the land, but for some fruit tree crops, workers still need to use tools to perform pit digging operation on the land so as to meet the planting requirements, and the planting environment of some fruit tree crops is hard, the planting soil quality is generally hard, so that gaps among soil blocks are large when soil covering is performed after the crops are planted, so that the heat preservation effect of the seeds in the growth process is poor and the survival rate of the crop seeds is reduced, there is therefore a need for an agricultural crop planting apparatus having a digging mechanism to address the above problems.

Disclosure of Invention

The invention aims to provide agricultural crop seeding equipment with a pit digging mechanism, and aims to solve the problems that the existing partial agricultural crop seeding equipment in the background art can only be used for ditching in the land generally, the pit digging effect is poor when fruit and tree crops are sown, and the existing partial agricultural crop seeding equipment can cause poor heat insulation effect in the production process when the equipment covers the floating soil after the crops are planted.

In order to achieve the purpose, the invention provides the following technical scheme:

an agricultural crop seeding device with a pit digging mechanism comprises a seeding device main body, wherein the seeding device main body comprises a fixed base, a first fixed plate is connected to the edge position of the top end surface of the fixed base, a second connecting plate is connected to the inner wall of the top end of the first fixed plate, a screening mechanism is connected to the top end surface of the second connecting plate, an intermittent seeding mechanism is connected to the center position of the top end of the fixed base, a lower connecting beam is connected to the top end surface of the fixed base, a lifting type pit digging mechanism is connected to the outer surface of the fixed base, an adsorption type material pumping mechanism is connected to the top end surface of the second connecting plate, and a first connecting frame is connected to the top end surface of the fixed base;

the lifting type pit digging mechanism comprises a first digging shovel, a first connecting cylinder, a first auxiliary wheel, a first bearing block, a first conveying roller, a first chain and a first motor, wherein the front side of the first connecting frame is connected with the first auxiliary wheel through a bearing, the outer surface of the first auxiliary wheel is connected with the first chain, the center position of the first chain is connected with a second connecting block, one side surface, far away from the first chain, of the second connecting block is connected with the first bearing block, one side surface, far away from the second connecting block, of the first bearing block is connected with the first connecting cylinder, the inner wall of the first connecting cylinder is connected with the first conveying roller through a bearing, the bottom end surface of the first conveying roller is connected with the first digging shovel, the first chain is provided with two groups, and the back side of the other group of first chain is connected with the first motor.

Preferably, screening mechanism includes first connecting box, first sieve, first guide roller and goes out the hopper down, the top surface of second connecting plate is connected with first connecting box, and the inner wall of first connecting box is connected with first sieve, the bottom inner wall of first connecting box is connected with first guide roller, the bottom surface of first connecting box is connected with down and goes out the hopper.

Preferably, intermittent type seeding mechanism includes first traction wheel, first connecting strip, first drawing hopper, second connecting strip, first connecting ring, first connecting plate and interior supporting strip, fixed baseplate's inner wall is connected with first traction wheel, and the inner wall of first traction wheel passes through the bearing housing and is connected with first connecting strip, the bottom surface of first connecting strip is connected with the second connecting strip, the bottom surface of second connecting strip is connected with first connecting ring, the inner wall of first connecting ring articulates there is interior support bar, and the surface butt of interior supporting strip has first connecting plate, the surface of first connecting ring is connected with the second connecting cylinder.

Preferably, the adsorption type material pumping mechanism comprises a first material pumping pipe, a first material discharging pipe and a vacuum pump, the surface of the top end of the second connecting plate is connected with the vacuum pump, the back of the vacuum pump is connected with the first material pumping pipe, and the front of the vacuum pump is connected with the first material discharging pipe.

Preferably, the outer surface of the first bearing block is connected with a first connecting block, and the outer surface of the first connecting block abuts against the outer surface of the fixed base.

Preferably, the through hole has been seted up to first digger blade's inside, and first digger blade is provided with two sets ofly, two sets of first digger blade is even the symmetry to be fixed on the bottom surface of first conveying roller.

Preferably, the first sieve plate is provided with three groups, and three groups the first sieve plate is equidistantly and uniformly connected to the inner wall of the first connecting box.

Preferably, the shape structure of first connecting plate is the semicircle form, and first connecting plate is provided with two sets ofly, two sets ofly first connecting plate equidistance evenly connects at the inner wall of first connecting ring.

Preferably, the shape structure of the first material guiding hopper is conical, and a notch is formed in the position of the outer surface of the first material guiding hopper.

Compared with the prior art, the invention has the beneficial effects that: this agricultural crops seeding equipment with mechanism of digging pit through setting up the mechanism of digging pit, can conveniently dig the operation of digging pit to the soil property in planting the region to conveniently plant fruit tree class crops, and the device is through setting up screening mechanism, can conveniently filter great loam granule, and then can conveniently cover in crops surface back to making the loam, the gap between the soil block granule is less, thereby can conveniently ensure the planting temperature of crops, increases the survival rate of crops.

1. The device is provided with a pit digging mechanism, when a user uses the device to sow fruit and tree crops, the device can be firstly manually pushed to a crop planting point by an operator, then, when the crops need to be planted, the first motor can be firstly manually started to work through an external power supply, the output end of the first motor drives the first auxiliary wheel to synchronously rotate through the work of the first motor, meanwhile, the first auxiliary wheel can conveniently drive the first chain hinged on the surface of the first auxiliary wheel to synchronously move through the rotation of the first auxiliary wheel, at the moment, the second connecting block connected on the inner wall of the first chain can conveniently and synchronously move along the first chain through the movement of the first chain, and the first connecting block matched with the outer surface of the first supporting block can conveniently move along the outer surface of the fixed base, so that the first connecting cylinder connected with the outer surface of the first bearing block can move along with the first bearing block in height position, when the pit digging operation is started, the first conveying roller can be rotated again through the external power supply, the first digging shovel is pulled to synchronously rotate through the first conveying roller, the first digging shovel can dig up soil blocks with hard ground and enable the soil blocks to enter the first digging shovel, the soil blocks in the first digging shovel can be spirally conveyed to the top end of the first connecting cylinder through the first conveying roller through the rotation of the first conveying roller and the first digging shovel, the vacuum pump can start to work through the external power supply, and the floating soil can be sucked away through the first pumping pipe connected with the outer surface of the vacuum pump, so that the first pumping pipe can conveniently pump the floating soil in the first connecting cylinder away, and then the finer floating soil can cover the fruit tree seeds, so as to conveniently ensure the survival rate of the planting.

2. The device is provided with the screening mechanism, when the floating soil is sucked by the vacuum pump and discharged from the inside of the first discharging pipe, the floating soil can be conveniently sucked to the inside of the first discharging pipe by the vacuum pump, the floating soil in the first discharging pipe can enter the inside of the first sieve plate, the floating soil can be conveniently dropped from the opening of the first discharging pipe, and then the floating soil can be conveniently dropped to the outer surface of the first sieve plate, so that the floating soil can be conveniently dropped from the outer surface of the first sieve plate layer by layer, and larger soil block particles can be conveniently left on the outer surface of the first sieve plate by dropping three groups of first sieve plates layer by layer, and then the thinner floating soil can be deposited on the bottom end surface of the first connecting box and can enter the inside of the first guide hopper along the guide of the inside of the lower discharging hopper, meanwhile, when the floating soil is finely screened, the fruit tree seeds can be manually placed in the inside of the first connecting box, make the seed also remove along the surface of first row of material pipe, thereby can filter the seed in the lump through first sieve and can make the seed follow the inside of soil slick fill from the lower ejection of compact fill and fall in the lump, simultaneously the inside seed soil slick mixture of the inside of the lower ejection of compact fill drops to first connecting tube through action of gravity, at this moment, the work of the first traction wheel back micro motor of accessible, can make first traction wheel begin to rotate, and then can conveniently make first traction wheel pull first connecting strip and second connecting strip and carry out reciprocating motion in step, thereby can make the first connecting ring of connection at second connecting strip bottom surface together follow it and carry out reciprocating motion, and then can make the soil slick and the seed that get into the inside of first connecting tube together intermittent type sow, thereby can increase the device's operation commonality.

Drawings

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

FIG. 2 is a schematic structural front sectional perspective view of the elevating type pit digging mechanism of the present invention;

FIG. 3 is a right perspective view of the structure of the present invention;

FIG. 4 is a schematic right perspective sectional view of the structure of the present invention;

FIG. 5 is a schematic structural perspective view of the adsorption type pumping mechanism according to the present invention;

FIG. 6 is a perspective view of the fixing base and the second connecting block according to the present invention;

FIG. 7 is a perspective view of the intermittent sowing mechanism of the present invention;

FIG. 8 is a perspective view of the first link ring and the first link plate of the present invention;

FIG. 9 is a schematic sectional perspective view of the intermittent sowing mechanism of the present invention;

fig. 10 is a schematic perspective sectional view of the screening mechanism of the present invention.

In the figure: 1. a fixed base; 2. a first fixing plate; 3. a first digging shovel; 4. a first connecting cylinder; 5. a first auxiliary wheel; 6. a first connecting frame; 7. a first connection block; 8. a first receiving block; 9. a first conveying roller; 10. a first chain; 11. a first material pumping pipe; 12. a first discharging pipe; 13. a first junction box; 14. a second connecting plate; 15. a first screen deck; 16. a first motor; 17. a lower connecting beam; 18. a second connecting cylinder; 19. a first traction wheel; 20. a vacuum pump; 21. a second connecting block; 22. a first connecting bar; 23. a first material guiding hopper; 24. a second connecting strip; 25. a first connecting ring; 26. a first guide roller; 27. a discharging hopper is arranged; 28. a first connecting plate; 29. the inner support bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, an embodiment of the present invention is shown:

an agricultural crop seeding device with a pit digging mechanism comprises a seeding device main body, wherein the seeding device main body comprises a fixed base 1, a first fixed plate 2 is connected to the edge position of the top end surface of the fixed base 1, a second connecting plate 14 is connected to the inner wall of the top end of the first fixed plate 2, a screening mechanism is connected to the top end surface of the second connecting plate 14, an intermittent seeding mechanism is connected to the center position of the top end of the fixed base 1, a lower connecting beam 17 is connected to the top end surface of the fixed base 1, a lifting type pit digging mechanism is connected to the outer surface of the fixed base 1, an adsorption type material pumping mechanism is connected to the top end surface of the second connecting plate 14, and a first connecting frame 6 is connected to the top end surface of;

the lifting type digging mechanism comprises a first digging shovel 3, a first connecting cylinder 4, a first auxiliary wheel 5, a first bearing block 8, a first conveying roller 9, a first chain 10 and a first motor 16, wherein the front surface of the first connecting frame 6 is connected with the first auxiliary wheel 5 through a bearing, the outer surface of the first auxiliary wheel 5 is connected with the first chain 10, the central position of the first chain 10 is connected with a second connecting block 21, the surface of one side, far away from the first chain 10, of the second connecting block 21 is connected with the first bearing block 8, the surface of one side, far away from the second connecting block 21, of the first bearing block 8 is connected with the first connecting cylinder 4, the inner wall of the first connecting cylinder 4 is connected with the first conveying roller 9 through a bearing, the bottom end surface of the first conveying roller 9 is connected with the first digging shovel 3, the first chains 10 are provided with two groups, the back surface of the other group of the first chains 10 is connected with the first motor 16, and digging on the harder surface of the ground can be conveniently dug through the lifting type digging mechanism, and the first digging shovel 3 rotating at high speed can conveniently dig pits on harder soil and send the dug soil blocks into the first connecting cylinder 4, so that the processing of the first digging shovel is facilitated later.

Further, screening mechanism includes first connecting box 13, first sieve 15, first guide roller 26 and lower ejection of compact fill 27, the top surface of second connecting plate 14 is connected with first connecting box 13, and the inner wall of first connecting box 13 is connected with first sieve 15, the bottom inner wall of first connecting box 13 is connected with first guide roller 26, the bottom surface of first connecting box 13 is connected with lower ejection of compact fill 27, can conveniently sieve soil block granule through setting up screening mechanism, thereby can effectively ensure the secret nature of planting soil.

Further, intermittent type seeding mechanism includes first traction wheel 19, first connecting strip 22, first guide hopper 23, second connecting strip 24, first link 25, first connecting plate 28 and interior supporting strip 29, the inner wall of fixed baseplate 1 is connected with first traction wheel 19, and the inner wall of first traction wheel 19 is connected with first connecting strip 22 through the bearing housing, the bottom surface of first connecting strip 22 is connected with second connecting strip 24, the bottom surface of second connecting strip 24 is connected with first connecting ring 25, the inner wall of first connecting ring 25 articulates there is interior support bar 29, and the surface butt of interior supporting strip 29 has first connecting plate 28, the surface of first connecting ring 25 is connected with second connecting cylinder 18, through setting up intermittent type seeding mechanism, can effectively increase the commonality of planting crops.

Further, absorption formula is taken out material mechanism and is included first pumping pipe 11, first row of material pipe 12 and vacuum pump 20, and the top surface of second connecting plate 14 is connected with vacuum pump 20, and the back connection of vacuum pump 20 has first pumping pipe 11, and the front of vacuum pump 20 is connected with first row of material pipe 12, and through setting up absorption formula and taking out material mechanism, can conveniently take out the inside soil slick of first connecting cylinder 4 to the inside of first connecting box 13.

Further, the surface of first bearing piece 8 is connected with first connecting piece 7, and the surface butt of first connecting piece 7 is at fixed base 1 surface, is connected with first connecting piece 7 through the surface at first bearing piece 8, can conveniently guide first bearing piece 8 to carry out height control.

Further, the through-hole has been seted up to first digger blade 3's inside, and first digger blade 3 is provided with two sets ofly, and the even symmetry of two sets of first digger blade 3 is fixed on the bottom surface of first conveying roller 9, through being provided with the multiplicable digging effect to the soil of two sets of first digger blade 3.

Further, first sieve 15 is provided with three groups, and the equal distance uniform connection of three groups of first sieve 15 is at the inner wall of first connecting box 13, through being provided with three groups of first sieve 15, can effectively increase the screening effect to the loam.

Further, the shape structure of first connecting plate 28 is the semicircle form, and first connecting plate 28 is provided with two sets ofly, and two sets of first connecting plate 28 equidistance evenly connect at the inner wall of first connecting ring 25, through setting up first connecting plate 28's shape structure to the semicircle form, can conveniently cushion the impact force when partial soil block and seed fall.

Further, the shape structure of the first material guiding hopper 23 is a cone, and the outer surface position of the first material guiding hopper 23 is provided with a notch, so that the falling materials can be conveniently collected by setting the shape structure of the first material guiding hopper 23 into a cone.

The working principle is as follows: when a user uses the device to sow fruit and tree crops, the device can be firstly manually pushed to a crop planting point by an operator, then, when the crops need to be planted, the first motor 16 can be firstly manually started to work through an external power supply, the output end of the first motor 16 drives the first auxiliary wheel 5 to synchronously rotate through the work of the first motor 16, meanwhile, the first auxiliary wheel 5 can conveniently drive the first chain 10 hinged on the surface of the first auxiliary wheel 5 to synchronously move through the rotation of the first auxiliary wheel 5, at the moment, the second connecting block 21 connected to the inner wall of the first chain 10 can conveniently move along with the first chain 10 through the movement of the first chain 10, and the first connecting block 7 on the outer surface of the first bearing block 8 is matched to conveniently move the first bearing block 8 along the outer surface of the fixed base 1, so that the first connecting cylinder 4 connected to the outer surface of the first receiving block 8 can move in height along with the first receiving block 8, when the digging operation starts, the first conveying roller 9 can be rotated again by the external power supply, and the first digging shovel 3 is pulled by the first conveying roller 9 to rotate synchronously, at this time, the first digging shovel 3 can dig up the soil blocks with hard ground and make the soil blocks enter the first digging shovel 3, and the soil blocks in the first digging shovel 3 can be spirally conveyed to the top end of the first connecting cylinder 4 by the first conveying roller 9 through the rotation of the first conveying roller 9 and the first digging shovel 3, at this time, the vacuum pump 20 can start to work by the external power supply, and the floating soil can be sucked away by the first pumping pipe 11 connected to the outer surface of the vacuum pump 20, so that the first pumping pipe 11 can conveniently pump away the floating soil in the first connecting cylinder 4, and then the finer floating soil is used for covering the fruit tree seeds so as to conveniently ensure the survival rate of planting.

When the floating soil is sucked by the vacuum pump 20 and discharged from the inside of the first discharging pipe 12, the floating soil can be conveniently sucked by the vacuum pump 20 to the inside of the first discharging pipe 12, the floating soil in the first discharging pipe 12 can enter the inside of the first sieve plate 15, so that the floating soil can conveniently fall from the opening of the first discharging pipe 12, and further the floating soil can conveniently fall to the outer surface of the first sieve plate 15, so that the floating soil can conveniently fall from the outer surface of the first sieve plate 15 layer by layer, and larger soil block particles can conveniently be left on the outer surface of the first sieve plate 15 by falling from three groups of first sieve plates 15 layer by layer, so that the thinner floating soil can be deposited on the bottom end surface of the first connecting box 13 and enter the inside of the first guiding hopper 23 along the guiding of the inside of the lower discharging hopper 27, meanwhile, when the floating soil is finely screened, the fruit tree seeds can be manually placed in the inside of the first connecting box 13, the seeds are moved along the outer surface of the first discharging pipe 12, so that the seeds can be screened by the first sieve plate 15, and then the seeds can fall from the lower discharging hopper 27 along with the floating soil, at the same time, the seed-soil mixture in the lower discharge hopper 27 falls into the first connecting cylinder 18 by gravity, and at this time, the first traction wheel 19 can be started to rotate by the operation of the micro motor at the back of the first traction wheel 19, it is further convenient to make the first traction wheel 19 pull the first connecting bar 22 and the second connecting bar 24 to synchronously reciprocate, so that the first connecting ring 25 connected to the lower end surface of the second connecting bar 24 is reciprocated therewith, furthermore, the floating soil and the seeds entering the first connecting cylinder 18 can be sown intermittently, so that the operation versatility of the device can be increased.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an agricultural crops seeding equipment with mechanism of digging pit, includes the seeding equipment main part, its characterized in that: the seeding equipment main body comprises a fixed base (1), a first fixed plate (2) is connected to the edge position of the top end surface of the fixed base (1), a second connecting plate (14) is connected to the inner wall of the top end of the first fixed plate (2), a screening mechanism is connected to the top end surface of the second connecting plate (14), an intermittent seeding mechanism is connected to the center position of the top end of the fixed base (1), a lower connecting beam (17) is connected to the top end surface of the fixed base (1), a lifting type pit digging mechanism is connected to the outer surface of the fixed base (1), an adsorption type material pumping mechanism is connected to the top end surface of the second connecting plate (14), and a first connecting frame (6) is connected to the top end surface of the fixed base (1);

the lifting type pit digging mechanism comprises a first digging shovel (3), a first connecting cylinder (4), a first auxiliary wheel (5), a first bearing block (8), a first conveying roller (9), a first chain (10) and a first motor (16), wherein the front of the first connecting frame (6) is connected with the first auxiliary wheel (5) through a bearing, the outer surface of the first auxiliary wheel (5) is connected with the first chain (10), the central position of the first chain (10) is connected with a second connecting block (21), one side surface, away from the first chain (10), of the second connecting block (21) is connected with the first bearing block (8), one side surface, away from the second connecting block (21), of the first bearing block (8) is connected with the first connecting cylinder (4), the inner wall of the first connecting cylinder (4) is connected with the first conveying roller (9) through a bearing, the bottom end surface of the first conveying roller (9) is connected with the first digging shovel (3), the first chains (10) are provided with two groups, and the back surfaces of the other groups of the first chains (10) are connected with a first motor (16).

2. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 1, wherein: screening mechanism includes first connecting box (13), first sieve (15), first guide roller (26) and lower ejection of compact fill (27), the top surface of second connecting plate (14) is connected with first connecting box (13), and the inner wall of first connecting box (13) is connected with first sieve (15), the bottom inner wall of first connecting box (13) is connected with first guide roller (26), the bottom surface of first connecting box (13) is connected with lower ejection of compact fill (27).

3. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 1, wherein: intermittent type seeding mechanism includes first traction wheel (19), first connecting strip (22), first guide hopper (23), second connecting strip (24), first connecting ring (25), first connecting plate (28) and interior support bar (29), the inner wall of unable adjustment base (1) is connected with first traction wheel (19), and the inner wall of first traction wheel (19) passes through the bearing housing and is connected with first connecting strip (22), the bottom surface of first connecting strip (22) is connected with second connecting strip (24), the bottom surface of second connecting strip (24) is connected with first connecting ring (25), the inner wall of first connecting ring (25) articulates there is interior support bar (29), and the surface butt of interior support bar (29) has first connecting plate (28), the surface of first connecting ring (25) is connected with second connecting cylinder (18).

4. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 1, wherein: the adsorption type material pumping mechanism comprises a first material pumping pipe (11), a first material discharging pipe (12) and a vacuum pump (20), the top end surface of the second connecting plate (14) is connected with the vacuum pump (20), the back of the vacuum pump (20) is connected with the first material pumping pipe (11), and the front of the vacuum pump (20) is connected with the first material discharging pipe (12).

5. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 1, wherein: the outer surface of the first bearing block (8) is connected with a first connecting block (7), and the outer surface of the first connecting block (7) is abutted against the outer surface of the fixed base (1).

6. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 1, wherein: the through hole has been seted up to the inside of first digger blade (3), and first digger blade (3) is provided with two sets ofly, two sets of first digger blade (3) even symmetry is fixed on the bottom surface of first conveying roller (9).

7. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 2, wherein: first sieve (15) are provided with three groups, and three groups first sieve (15) equidistance even connection is at the inner wall of first connecting box (13).

8. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 3, wherein: the shape structure of first connecting plate (28) is the semicircle form, and first connecting plate (28) are provided with two sets ofly, and two sets ofly first connecting plate (28) equidistance evenly connect the inner wall at first connecting ring (25).

9. An agricultural crop planting apparatus having a pit digging mechanism as recited in claim 3, wherein: the shape structure of the first material guiding hopper (23) is conical, and a notch is formed in the position of the outer surface of the first material guiding hopper (23).