CN112970381A

CN112970381A - Agriculture and forestry ditching seeding equipment

Info

Publication number: CN112970381A
Application number: CN202110394772.8A
Authority: CN
Inventors: 李锁军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-06-18

Abstract

The invention discloses agricultural and forestry ditching and sowing equipment, and belongs to the technical field of agricultural cultivation equipment. The utility model provides an agriculture and forestry ditching seeding equipment, which comprises a supporting plate, layer board upper end four corners all runs through and is equipped with the support column, the layer board right-hand member has set firmly the handle, layer board upper end right side has set firmly the slide rail, the inside sliding connection of slide rail has the sliding plate, sliding plate right side rear end is equipped with spring B admittedly, sliding plate left end front side has set firmly the dead lever, the slide rail upper end has set firmly places the case, place the case lower extreme and seted up the discharge gate, the inside closing plate that is equipped with of breach, the closing plate front end is equipped with the lead screw, the spacing. The fixed rod can be indirectly stirred by the aid of the stirring rod, the fixed rod can drive the sliding plate to intermittently open the discharge hole, and the phenomenon that a large number of seedlings are piled after a large number of seeds are piled together to sprout to influence the growth efficiency and the shape of the seedlings is avoided.

Description

Agriculture and forestry ditching seeding equipment

Technical Field

The invention relates to the technical field of agricultural cultivation equipment, in particular to agricultural and forestry ditching and sowing equipment.

Background

Along with the development of science and technology, the use of mechanized equipment is more and more popularized in agricultural production, and the investment of the mechanized equipment is beneficial to improving the production efficiency and saving the labor force, and meanwhile, the method is more suitable for large-scale cultivation.

The patent document with publication number CN212259759U in the prior art provides an agricultural and forestry ditching and seeding device, which can adjust the ditching depth and the shape of a ditching plow by arranging a hydraulic rod, a connecting beam, a control groove and a hydraulic machine. Although the device has more beneficial effects, the following problems still exist: the device can not accomplish intermittent type nature seeding, can not make the seed distribute at the seeding in-process, leads to a large amount of seeds to pile up together, can lead to a large amount of nursery stocks to pile up growth efficiency and the shape that influences the nursery stock after sprouting to can cause the seed extravagant. In view of the above, we propose an agricultural and forestry ditching and sowing device.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide agricultural and forestry ditching and sowing equipment to solve the problems in the background technology.

2. Technical scheme

The agricultural and forestry ditching and sowing equipment comprises a supporting plate, wherein supporting columns are arranged at four corners of the upper end of the supporting plate in a penetrating manner, connecting plates are fixedly arranged at the upper ends of the four supporting columns, lifting members are arranged at the upper ends of the connecting plates, a sliding groove is formed in the supporting plate, a sliding block is connected inside the sliding groove in a sliding manner, a ditching plow is fixedly arranged on the sliding block, two rotating seats are fixedly arranged in the middle of the upper end of the supporting plate in a symmetrical structure, a motor B is arranged at one end of one of the rotating seats, a vibrating shaft is arranged on the lower side of one of the rotating seats in a penetrating manner, two limiting rods in a symmetrical structure are arranged at the upper end of the vibrating shaft, a roller wheel is rotatably connected to the upper ends of the limiting rods, a rotating shaft is arranged on the upper side of the other rotating seat in a, the telescopic rod is internally provided with a movable rod, the supporting plate is fixedly provided with a sliding rail, the sliding rail is internally and slidably connected with a sliding plate, the sliding plate is fixedly provided with a fixed rod, the supporting plate is fixedly provided with a placing box, and the lower end of the placing box is provided with a discharge hole.

Preferably, support column outer wall and layer board sliding contact, the threaded rod upside is connected with the connecting plate rotation, threaded rod downside and layer board threaded connection, two the drive wheel passes through the pivot and connects, motor A tip runs through one of them support column front end and with one of them drive wheel front end fixed connection.

Preferably, motor B right-hand member runs through one of them rotation seat left end and axis of rotation left end fixed connection, it is the slope structure to dial the piece, dial piece outer wall and gyro wheel outer wall frictional contact, the vibration axle left end run through one of them rotation seat right-hand member and with slider right-hand member fixed connection.

Preferably, movable rod outer wall and loop bar inner wall sliding contact, the bolt tip runs through the loop bar right-hand member and extends to its inside and with spacing hole grafting cooperation, spring A left end and loop bar outer wall fixed connection, spring A right-hand member and bolt right side inner wall fixed connection, poker rod outer wall and dead lever outer wall frictional contact, movable rod outer wall and dead lever outer wall frictional contact.

Preferably, the sliding plate is of an L-shaped structure, the upper end of the sliding plate is in sliding contact with the lower end of the placing box, and the tail end of the spring B is fixedly connected with the inner wall of the sliding rail.

Preferably, the size of sealing plate is greater than the size of discharge gate, the size of breach is greater than the sealing plate size, the lead screw end runs through places the case front end and extends to the breach inside, the lead screw end sinks to be located the sealing plate front end and rotates rather than being connected, the terminal and spacing ring upper end fixed connection of scale rope.

Preferably, the bulldozer plate is of a bent structure, and the outer wall of the pointed cone is provided with a plurality of grooves.

Preferably, the right end of the movable rod is of a symmetrical structure and is provided with two limiting holes, the right end of the loop bar is provided with a bolt, and the outer wall of the bolt is sleeved with a spring A.

Preferably, the discharge gate is internally provided with a notch, the notch is internally provided with a sealing plate, the front end of the sealing plate is provided with a lead screw, the outer wall of the front side of the lead screw is provided with a limiting groove, the limiting groove is internally provided with a limiting ring, the lower end of the limiting ring is fixedly provided with a balancing weight, the lower side of the front end of the placing box is rotatably connected with a reel through a rotating shaft, the inside of the reel is fixedly provided with a coil spring, and the outer wall of the reel is wound with a.

Preferably, a seeding pipe penetrates through the position, opposite to the discharge hole, of the upper end of the supporting plate, a bulldozing plate is fixedly arranged on the right side of the lower end of the supporting plate, and a plurality of pointed cones are fixedly arranged on the inner wall of the bulldozing plate.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the fixed rod can be indirectly stirred by the aid of the stirring rod, the fixed rod can drive the sliding plate, the discharging port can be intermittently opened by the sliding plate under the action of the spring B and the stirring rod, seeds can leak into the opened groove from the sowing pipe after being opened by the discharging port and fall down, a certain distance is formed between the seeds and the discharging port, the seeds are separated from the upper group of seeds, the phenomenon that the growth efficiency and the shape of seedlings are influenced by the accumulation of a large number of seedlings after a large number of seeds are accumulated together for germination is avoided, the waste of the seeds can be avoided, the seeds can be automatically separated during sowing, and the distance is formed.

2. According to the invention, the movable rod is arranged in the sleeve rod, the position of the movable rod can be controlled through the bolt and the limiting hole, the discharging frequency of the discharging port can be changed due to the change of the position of the movable rod, the spacing of seeds during sowing can be changed according to different seed habits, so that the seeds can have a good growing environment after germination, and the device can shake when a ditching plow is used for ditching through the arrangement of the roller and the shifting block, so that ditching can be easier, wherein the roller can reduce the friction force between the limiting rod and the shifting block, so that the rotating shaft can rotate more smoothly.

3. The lead screw is arranged to drive the sealing plate to move, the discharge amount of the discharge port can be controlled by controlling the sealing plate, the quantity of seeds can be controlled according to different seed habits, the influence of excessive quantity of seeds on production and waste are avoided, the scale rope can be driven by the limiting ring through rotating the lead screw, a worker can accurately know the position of the sealing plate and the opening size of the discharge port through observing the scale rope, the discharge of the discharge port can be more accurate, soil blocks can be crushed in the pushing process of the bulldozer when the bulldozer pushes soil by arranging the plurality of pointed cones on the bulldozer, and the problem that the covering effect is poor due to the fact that partial seeds are exposed when the soil blocks are covered excessively is avoided.

Drawings

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

FIG. 2 is a schematic view of a portion of the chute of the present invention;

FIG. 3 is a schematic view of the structure of the rotating shaft part of the present invention;

FIG. 4 is a schematic view of a portion of the plug of the present invention;

FIG. 5 is a schematic view of a discharge port of the present invention;

FIG. 6 is a schematic view of a notch portion of the present invention;

FIG. 7 is a schematic view of the structure of the limiting groove part of the present invention;

FIG. 8 is a schematic structural view of a pointed cone portion of the present invention;

the reference numbers in the figures illustrate: 1. a support plate; 2. a support pillar; 3. a universal wheel; 4. a drive wheel; 5. a motor A; 6. a connecting plate; 7. a threaded rod; 8. a handle; 9. a chute; 10. a slider; 11. a furrow plough; 12. a rotating seat; 13. a motor B; 14. a vibration shaft; 15. a limiting rod; 16. a roller; 17. a rotating shaft; 18. a shifting block; 19. a poke rod; 20. a loop bar; 21. a movable rod; 22. a limiting hole; 23. a bolt; 24. a spring A; 25. a slide rail; 26. a sliding plate; 27. a spring B; 28. fixing the rod; 29. placing a box; 30. a discharge port; 31. a notch; 32. a sealing plate; 33. a screw rod; 34. a limiting groove; 35. a limiting ring; 36. a balancing weight; 37. a reel; 38. a coil spring; 39. a calibration rope; 40. seeding a pipe; 41. a bulldozer plate; 42. a pointed cone; 43. and (4) a groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides a technical solution:

an agricultural and forestry ditching and seeding device comprises a supporting plate 1, supporting columns 2 are arranged at four corners of the upper end of the supporting plate 1 in a penetrating manner, universal wheels 3 are arranged at the lower ends of two supporting columns 2, driving wheels 4 are arranged at the lower ends of the other two supporting columns 2, a motor A5 is arranged at the front end of one supporting column 2, a connecting plate 6 is fixedly arranged at the upper ends of the four supporting columns 2, a lifting member is arranged at the front side of the upper end of the connecting plate 6, the lifting member can be a threaded rod 7, a hydraulic rod, an air cylinder and the like, a handle 8 is fixedly arranged at the right end of the supporting plate 1, a sliding groove 9 is arranged at the left end of the upper end of the supporting plate 1, a sliding block 10 is connected in a sliding manner inside the sliding groove 9, a ditching plow 11 is fixedly arranged at the lower side of the left end of the sliding block 10, two rotating seats 12 are fixedly arranged at the middle part of, the upper end of the limiting rod 15 is rotatably connected with a roller 16, the upper side of the other rotating seat 12 is provided with a rotating shaft 17 in a penetrating way, the middle part of the rotating shaft 17 is fixedly provided with a poking block 18, the outer wall of the right side of the rotating shaft 17 is provided with a plurality of poking rods 19 at equal intervals in an annular shape, the outer wall of the right side of the rotating shaft 17 is provided with a plurality of loop bars 20 at equal intervals in an annular shape, the inner part of each loop bar 20 is provided with a movable rod 21, the right end of each movable rod 21 is provided with two limiting holes 22 in a symmetrical structure, the right end of each loop bar 20 is provided with a bolt 23, the outer wall of each bolt 23 is sleeved with a spring A24, the right side of the upper end of the support plate 1 is fixedly provided with a slide rail 25, the inner part of each slide rail 25 is slidably connected with a slide plate 26, the rear end, the sealing plate 32 front end is equipped with lead screw 33, spacing groove 34 has been seted up to lead screw 33 front side outer wall, spacing groove 34 inside has set firmly spacing ring 35, the balancing weight 36 has set firmly to the spacing ring 35 lower extreme, it is connected with reel 37 through the pivot rotation to place case 29 front end downside, reel 37 is inside to be set firmly wind spring 38, reel 37 outer wall winding has scale rope 39, the position of 1 upper end relative discharge gate 30 of layer board runs through and is equipped with seeding pipe 40, 1 lower extreme right side of layer board has set firmly bull dozer 41, bull dozer 41 inner wall has set firmly a plurality of pointed cones 42.

Specifically, 2 outer walls of the support columns are in sliding contact with the support plate 1, the upper side of the threaded rod 7 is rotatably connected with the connecting plate 6, the lower side of the threaded rod 7 is in threaded connection with the support plate 1, the two drive wheels 4 are connected through a rotating shaft, and the end part of the motor A5 penetrates through the front end of one of the support columns 2 and is fixedly connected with the front end of one of the drive wheels 4. The screw rod 7 is rotated to lower the pallet 1, and after the pallet is lowered, the furrow plough 11 can be brought into contact with the ground to perform furrowing.

Furthermore, the right end of the motor B13 penetrates through the left end of one of the rotating seats 12 and is fixedly connected with the left end of the rotating shaft 17, the stirring block 18 is of an inclined structure, the outer wall of the stirring block 18 is in friction contact with the outer wall of the roller 16, and the left end of the vibrating shaft 14 penetrates through the right end of one of the rotating seats 12 and is fixedly connected with the right end of the sliding block 10. The motor B13 rotates to drive the rotating shaft 17 to rotate, the rotating shaft 17 rotates to drive the shifting block 18 to rotate, the shifting block 18 rotates to repeatedly extrude the roller 16, and the sliding block 10 can be driven to repeatedly move along the direction of the sliding groove 9 under the action of the roller 16 and the limiting rod 15.

Still further, the outer wall of movable rod 21 and the inner wall of loop bar 20 sliding contact, bolt 23 tip runs through loop bar 20 right-hand member and extends to its inside and with spacing hole 22 grafting cooperation, spring A24 left end and loop bar 20 outer wall fixed connection, spring A24 right-hand member and bolt 23 right side inner wall fixed connection, poker rod 19 outer wall and dead lever 28 outer wall frictional contact, movable rod 21 outer wall and dead lever 28 outer wall frictional contact. The bolt 23 through setting up can cooperate spacing hole 22 to make the movable rod 21 can advance and stretch out loop bar 20 to change the number of times that discharge gate 30 was opened and the interval time of opening at every turn in the axis of rotation 17 rotation period, thereby control sliding plate 26's movable frequency, further accurate control seeding period, thereby change the seeding volume of seeding at every turn according to the seeding demand of different crops and user's thinning demand.

Furthermore, the sliding plate 26 is of an "L" shape, the upper end of the sliding plate 26 is in sliding contact with the lower end of the placing box 29, and the tail end of the spring B27 is fixedly connected with the inner wall of the sliding rail 25. The movable rod 21 and the limiting rod 15 can drive the sliding plate 26 to move through the fixed rod 28, and the sliding plate 26 can intermittently open the discharge hole 30 under the action of the spring B27, so that the effect of intermittent seeding is achieved.

It is worth to be noted that the size of the sealing plate 32 is larger than that of the discharge port 30, the size of the notch 31 is larger than that of the sealing plate 32, the tail end of the screw rod 33 penetrates through the front end of the placing box 29 and extends into the notch 31, the tail end of the screw rod 33 is limited at the front end of the sealing plate 32 and is rotatably connected with the sealing plate, and the tail end of the scale rope 39 is fixedly connected with the upper end of the limiting ring 35. Can control the load of discharge gate 30 through control closing plate 32, can be according to its seed quantity of different control of seed habit, avoid the too much influence production of seed quantity and cause the waste, wherein when rotating lead screw 33, lead screw 33 removes and can drive scale rope 39 through spacing ring 35, and the staff can accurately learn the position of closing plate 32 and the size that opens of discharge gate 30 through observing scale rope 39.

It should be noted that the blade 41 is a bent structure, and the outer wall of the pointed cone 42 is provided with a plurality of grooves 43. The blade 41 can push the soil turned out by the furrow plough 11 back into the furrow, and the pointed cone 42 can crush the soil blocks in the pushing process, so that partial seeds can be prevented from being exposed to the outside to cause poor covering effect when the soil blocks are covered too much.

The working principle is as follows: when the device is required to work, the supporting plate 1 can be descended by rotating the threaded rod 7 after the device is pushed to a designated working place through the universal wheel 3, the ditching plow 11 can be in contact with the ground to ditch, then the motor B13 is connected with an external control mechanism, the motor B13 rotates to drive the rotating shaft 17 to rotate, the rotating shaft 17 rotates to drive the poking block 18 to rotate, the poking block 18 rotates to repeatedly extrude the roller 16, the slider 10 can be driven to repeatedly move along the direction of the sliding groove 9 under the action of the roller 16 and the limiting rod 15, the slider 10 moves to enable the ditching plow 11 to have a vibration effect, so that the ditching plow 11 can be easier in the ditching process, simultaneously can loosen soil and is beneficial to seed growth, meanwhile, the sleeve rod 20 and the poking rod 19 on the right side of the rotating shaft 17 can be driven to rotate, the loop bar 20 rotates to drive the movable bar 21 to rotate, the movable bar 21 can drive the sliding plate 26 to move through the fixed bar 28, the sliding plate 26 can intermittently open the discharge port 30 under the action of the spring B27 so as to achieve the effect of intermittent seeding, seeds can leak into an opened ditch from the seeding pipe 40 after falling from the discharge port 30, the device can drive the bulldozer board 41 to move by continuously moving, the bulldozer board 41 can push soil turned out by the furrowing plow 11 back into the ditch, soil blocks can be crushed in the pushing process through the pointed cone 42, the pointed cone 42 can be convenient to crush the soil blocks through the groove 43, partial seeds can be exposed to the outside to cause poor covering effect when the soil blocks are covered too much, the movable bar 21 can be retracted into the loop bar 20 through the arrangement of the bolt 23 and the limit hole 22, so that only the poking bar 19 can be contacted with the fixed bar 28 when the rotating shaft 17 rotates, thereby change discharge gate 30's ejection of compact frequency, the interval of seed when can changing the seeding according to the difference of seed habit, can drive the closing plate 32 through rotating lead screw 33 and remove, the load that can control discharge gate 30 through controlling the closing plate 32 removal, can be according to the different its seed quantity of control of seed habit, avoid the too much influence production of seed quantity and cause the waste, wherein when rotating lead screw 33, lead screw 33 removes and can pass through spacing ring 35 pulling scale rope 39, balancing weight 36 can increase the pulling force to scale rope 39, avoid the elasticity of wind spring 38 to make scale rope 39 reset and be difficult to the reading, the staff can accurately learn the position of closing plate 32 and the size that opens of discharge gate 30 through observing scale rope 39.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an agriculture and forestry ditching seeding equipment, includes layer board (1), its characterized in that: the four corners of the upper end of the supporting plate (1) are provided with supporting columns (2) in a penetrating manner, the upper ends of the four supporting columns (2) are fixedly provided with a connecting plate (6), the upper end of the connecting plate (6) is provided with a lifting component, the supporting plate (1) is provided with a sliding groove (9), the sliding groove (9) is internally and slidably connected with a sliding block (10), the sliding block (10) is fixedly provided with a ditching plow (11), the middle part of the upper end of the supporting plate (1) is of a symmetrical structure and is fixedly provided with two rotating seats (12), one end of each rotating seat (12) is provided with a motor B (13), the lower side of each rotating seat (12) is provided with a vibrating shaft (14) in a penetrating manner, the upper end of each vibrating shaft (14) is provided with two limiting rods (15) of a symmetrical structure, the upper ends of the limiting, the utility model discloses a bearing plate, including axis of rotation (17), axis of rotation (17) middle part has set firmly and has dialled piece (18), axis of rotation (17) outer wall is annular equidistant and is equipped with a plurality of poker (19), axis of rotation (17) outer wall is annular equidistant and is equipped with a plurality of loop bars (20), loop bar (20) inside is equipped with movable rod (21), layer board (1) has set firmly slide rail (25), slide rail (25) inside sliding connection has sliding plate (26), sliding plate (26) have set firmly dead lever (28), it places case (29) to set firmly on layer board (1), it has seted up discharge gate (30) to place case (29) lower extreme.

2. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: support column (2) outer wall and layer board (1) sliding contact, threaded rod (7) upside rotates with connecting plate (6) to be connected, threaded rod (7) downside and layer board (1) threaded connection, two drive wheel (4) are connected through the pivot, motor A (5) tip runs through one of them support column (2) front end and with one of them drive wheel (4) front end fixed connection.

3. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: the utility model discloses a vibration damping device, including motor B (13), stirring piece (18), vibration axle (14), rotation seat (12) right-hand member run through one of them and rotate seat (12) left end and axis of rotation (17) left end fixed connection, stirring piece (18) are the slope structure, stir piece (18) outer wall and gyro wheel (16) outer wall frictional contact, vibration axle (14) left end run through one of them and rotate seat (12) right-hand member and with slider (10) right-hand member fixed connection.

4. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: activity pole (21) outer wall and loop bar (20) inner wall sliding contact, bolt (23) tip runs through loop bar (20) right-hand member and extends to its inside and with spacing hole (22) grafting cooperation, spring A (24) left end and loop bar (20) outer wall fixed connection, spring A (24) right-hand member and bolt (23) right side inner wall fixed connection, poker rod (19) outer wall and dead lever (28) outer wall friction contact, activity pole (21) outer wall and dead lever (28) outer wall friction contact.

5. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: the sliding plate (26) is of an L-shaped structure, the upper end of the sliding plate (26) is in sliding contact with the lower end of the placing box (29), and the tail end of the spring B (27) is fixedly connected with the inner wall of the sliding rail (25).

6. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: the size of sealing plate (32) is greater than the size of discharge gate (30), the size of breach (31) is greater than the size of sealing plate (32), lead screw (33) end runs through and places case (29) front end and extend to inside breach (31), lead screw (33) end sinks to be located sealing plate (32) front end and is connected rather than rotating, scale rope (39) end and spacing ring (35) upper end fixed connection.

7. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: the bulldozing plate (41) is of a bent structure, and a plurality of grooves (43) are formed in the outer wall of the pointed cone (42).

8. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: two spacing holes (22) have been seted up to movable rod (21) right-hand member for symmetrical structure, loop bar (20) right-hand member is equipped with bolt (23), bolt (23) outer wall cover is equipped with spring A (24).

9. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: discharge gate (30) are inside to be seted up breach (31), breach (31) inside is equipped with closing plate (32), closing plate (32) front end is equipped with lead screw (33), spacing groove (34) have been seted up to lead screw (33) front side outer wall, spacing groove (34) are inside to be equipped with spacing ring (35), spacing ring (35) lower extreme has set firmly balancing weight (36), it is connected with reel (37) through the pivot rotation to place case (29) front end downside, reel (37) are inside to be set firmly wind spring (38), reel (37) outer wall coiling has scale rope (39).

10. The agricultural and forestry ditching and sowing equipment as claimed in claim 1, wherein: the seeding pipe (40) penetrates through the position, opposite to the discharge hole (30), of the upper end of the supporting plate (1), a soil shifting plate (41) is fixedly arranged on the right side of the lower end of the supporting plate (1), and a plurality of pointed cones (42) are fixedly arranged on the inner wall of the soil shifting plate (41).