CN113439518A

CN113439518A - Agricultural mechanized fertilizer injection unit

Info

Publication number: CN113439518A
Application number: CN202110876773.6A
Authority: CN
Inventors: 燕辉; 胡浩
Original assignee: Henan University of Science and Technology
Current assignee: Henan University of Science and Technology
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-09-28
Anticipated expiration: 2039-12-31
Also published as: CN110972654A; CN113439518B; CN110972654B

Abstract

The invention provides an agricultural mechanized fertilizing device, which comprises: a frame; a material storage box; the rotating piece is rotatably arranged on the side wall of the storage box, and a concave cavity with a notch facing the interior of the storage box is formed in the rotating piece; the driving device drives the rotating piece to rotate; the discharging piece is connected to the storage box and provided with a side surface facing the rotating piece, and a discharging hole is formed in the bottom of the discharging piece; the discharging pipe is connected to the rotating piece, a first pipe opening and a second pipe opening are formed in two ends of the discharging pipe, the first pipe opening is communicated with the concave cavity, an alignment station where the second pipe opening is aligned with the discharging hole and a joint station where the second pipe opening is jointed with the side face of the discharging piece are formed in the rotation stroke of the discharging pipe, and the discharging pipe is intermittently positioned at the alignment station along with the rotation of the rotating piece; when the fertilizer is positioned at the alignment station, the first pipe orifice is higher than the second pipe orifice, and the fertilizer in the concave cavity slides into the discharge hole through the discharge pipe under the action of gravity and is discharged. Has the advantages that: the material is discharged by gravity, the mode is simpler, the fertilizer is easier to discharge, and the fertilizer is easy to control and achieves the required fertilizing effect.

Description

Agricultural mechanized fertilizer injection unit

The application is a divisional application of the following applications, the application date of the original application: 31/12/2019, application number of original application: 2019114076649, title of original application: an agricultural mechanized fertilizing device.

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to an agricultural mechanized fertilizing device.

Background

In the agricultural production process, for example maize, sunflower etc. can adopt the tractor to fertilize when the initial stage seed seedling is lower, and after the seedling growth development is higher, the tractor can't fertilize again, can only fertilize or artifical fertilizer injection unit that promotes fertilizes, causes intensity of labour big, work efficiency low, and the easy caking of fertilizer, can not satisfy the agricultural production demand.

To this end, the chinese patent application with application publication No. CN110122012A discloses an adjustable fertilizer apparatus for corn planting, which includes a frame, a fertilizer cylinder and a fertilizer feeding mechanism, wherein the lower parts of both sides of the fertilizer cylinder are provided with discharge ports, the fertilizer feeding mechanism includes two fertilizer feeding pipes, a fertilizer feeding disk and a driving component for driving the fertilizer feeding disk to rotate, the two fertilizer feeding pipes are hinged and installed below the discharge ports on both sides of the fertilizer cylinder, the fertilizer feeding disk is arranged at the bottom of the inner cavity of the fertilizer cylinder, and an even number of U-shaped material troughs matched with the discharge ports are arranged on the fertilizer feeding disk in a circumferential direction and at equal intervals. Drive assembly includes motor and (mixing) shaft, and the (mixing) shaft bottom with send fertile dish fixed connection, the (mixing) shaft drives and send fertile dish to rotate during the use, and fertilizer falls into U type silo, when sending fertile dish to rotate, U type silo and bin outlet intercommunication, under centrifugal force, during fertilizer sent the fertilizer pipe through the bin outlet entering, then dropped to the fertilization position, realized quantitative interval fertilization.

In addition, send fertile intraductal adjusting part that is provided with, adjusting part is including the installation axle, the carousel, connecting rod and regulating block, and in the U type silo was located in the regulating block slides, during the use, the handle through rotating installation axle bottom drove the installation axle and rotates, and the installation axle drives the carousel and rotates, and the carousel drives the regulating block through the connecting rod and moves along U type silo to the size in adjustment U type silo reaches the effect that the adjustment falls into the volume of U type silo interior fertilizer.

Although above-mentioned fertilizer injection unit can realize intermittent type nature fertilization, but the fertilizer can discharge the fertilizer section of thick bamboo so of fertilizer, lean on the centrifugal force that produces when sending fertile dish to rotate completely, consequently relatively high to the rotational speed requirement of sending fertile dish, the rotational speed undersize or too big, fertilizer all is difficult to discharge, need the accurate rotational speed of adjusting to send fertile dish, and send fertile dish and (mixing) shaft synchronous revolution, the rotational speed of sending fertile dish and (mixing) shaft will influence the stirring effect and the quality of fertilizer again, also send the stirring of the rotational speed setting of fertile dish to still need to consider the stirring of fertilizer promptly, so the rotational speed of sending fertile dish of reasonable setting is a very difficult thing. Meanwhile, even if the rotating speed of the fertilizer feeding disc is proper and is influenced by the structure of the U-shaped trough, most of fertilizer cannot be discharged, but the discharged fertilizer is limited along with the continuous rotation of the U-shaped trough, so that an ideal fertilizing effect is difficult to achieve.

Disclosure of Invention

The invention aims to provide an agricultural mechanized fertilizing device which can realize intermittent fertilization and easily discharge fertilizer.

In order to achieve the purpose, the agricultural mechanized fertilizing device adopts the following technical scheme:

an agricultural mechanized fertilizing apparatus, comprising:

a frame;

the storage box is arranged on the rack and used for storing fertilizer;

agricultural mechanized fertilizer injection unit still includes:

the rotating piece is rotatably arranged on the side wall of the storage box and provided with a concave cavity, and the concave opening of the concave cavity faces the inside of the storage box so that fertilizer in the storage box can enter the concave cavity;

the driving device is arranged on the outer side wall of the rack or the storage box, is in transmission connection with the rotating piece and is used for driving the rotating piece to rotate;

the discharging piece is arranged on the rack or connected to the material storage box, the discharging piece is provided with a side surface facing the rotating piece, and the bottom of the discharging piece is provided with a discharging hole;

the discharging pipe is connected to the rotating piece and synchronously rotates along with the rotating piece, a first pipe opening and a second pipe opening are formed in two ends of the discharging pipe, the first pipe opening is defined to be communicated with the concave cavity, an alignment station for aligning the second pipe opening with the discharging hole and a joint station for jointing the second pipe opening with the side face of the discharging piece are arranged in the rotating process of the discharging pipe, and the discharging pipe is intermittently positioned at the alignment station along with the rotation of the rotating piece; when the discharge pipe is positioned at the fitting station, the side surface of the discharge part plugs the second pipe orifice; when the discharge pipe is positioned at the alignment station, the first pipe opening is higher than the second pipe opening, so that the fertilizer in the concave cavity slides into the discharge hole through the discharge pipe under the action of gravity and is discharged.

The beneficial effects of the above technical scheme are that: the notch of the concave cavity on the rotating piece faces the inside of the storage box, so that fertilizer in the storage box can enter the concave cavity; the rotary member can rotate under the driving of the driving device, the discharge pipe is connected to the rotary member and rotates along with the rotary member, a first pipe orifice of the discharge pipe is communicated with the concave cavity, an alignment station and a fitting station are arranged in the rotation stroke of the discharge pipe, when the discharge pipe is positioned at the fitting station, a second pipe orifice is fitted with the side face of the discharge member, and the side face of the discharge member blocks the second pipe orifice; the second mouth of pipe aligns with the discharge opening when arranging the material pipe and being in alignment station, and first mouth of pipe is higher than the second mouth of pipe this moment, and fertilizer in the cavity can slide in the discharge opening and discharge through arranging the material pipe with the help of the action of gravity like this, and along with the rotation of rotating member, row material pipe intermittent type nature is in alignment station, just so can realize intermittent type nature fertilization.

Because the first mouth of pipe of arranging the material pipe is higher than the second mouth of pipe, can arrange the material with the help of the action of gravity, compare among the prior art and rely on centrifugal force to arrange the material, it is simpler with the help of the mode of gravity, fertilizer discharges more easily, controls easily and reaches the fertilization effect that needs.

Furthermore, in order to more conveniently control the time interval of the intermittent fertilization, a plurality of discharge pipes are distributed on the same conical surface, and the central axis corresponding to the conical surface is the rotating axis of the rotating part.

Furthermore, in order to select the material discharging pipes more flexibly, each material discharging pipe is provided with a valve for controlling the on-off of the material discharging pipe.

Further, for the convenience of adjusting the fertilizing amount, a fixed shell is fixed on the outer side wall of the rack or the storage box, the discharging part is rotatably installed in the fixed shell, the discharging part is provided with a cylindrical outer peripheral face matched with the fixed shell in a rotating mode, a positioning structure used for positioning the discharging part is arranged on the fixed shell, a plurality of through holes with unequal apertures are formed in the discharging part, the plurality of through holes are distributed along the same circumference, and the through holes which are most close to the lower portion form the discharging hole.

Further, in order to guide the rotation of arranging the material pipe conveniently, make things convenient for the fertilizer in the material pipe to get into the discharge opening simultaneously, be equipped with first shrouding on the fixed casing to one side of rotating member, be provided with on the first shrouding and supply row material pipe tip to insert and at rotatory annular channel, annular channel and discharge opening intercommunication wherein.

Furthermore, in order to reduce the abrasion of the end part of the discharge pipe and facilitate assembly, the longitudinal section of the annular channel is in a horn shape gradually expanding towards each through hole, the end part of the discharge pipe is sleeved with an end sleeve, the end sleeve is positioned in the annular channel, the outer peripheral surface of the end sleeve is matched with the annular channel, the end sleeve can move in the annular channel along with the discharge pipe, and the large end surface of the end sleeve is in blocking fit with the side surface of the discharge part.

Furthermore, for the convenience of rotating the ejection of compact piece, and then select the through-hole in suitable aperture as the discharge opening, one side of the last dorsad rotating part of fixed casing is equipped with the second shrouding, is provided with the discharging pipe with the discharge opening intercommunication on the second shrouding, still wears to be equipped with on the second shrouding with ejection of compact piece fixed connection in order to control ejection of compact piece pivoted pivot.

Further, for the convenience set up the cavity to and conveniently connect row material pipe, the rotating member is spherical, is fixed with the sealing ring on the inside wall of storage case, through the sphere cooperation between the inner wall of sealing ring and the outer wall of rotating member, is fixed with driven sprocket or driven gear on the rotating member, driven sprocket or driven gear are located the outside of storage case, and driven sprocket or driven gear and the lateral wall stop cooperation of storage case, and driven sprocket or driven gear and sealing ring mutually support and spacing the rotating member on the lateral wall of storage case.

Furthermore, in order to facilitate the rotation of the driving rotating part and the arrangement of the driving device, the driven chain wheel is fixed on the rotating part, and the driving device comprises a motor, a driving chain wheel in transmission connection with an output shaft of the motor, and a chain in meshing transmission with the driving chain wheel and the driven chain wheel.

Further, in order to avoid loosening of the chain, the agricultural mechanized fertilizing apparatus further comprises a pressing device for pressing the chain to tension the chain.

Drawings

FIG. 1 is a front sectional view of the agricultural mechanized fertilizing apparatus of the present invention;

FIG. 2 is a front view of the agricultural mechanized fertilizing apparatus of the present invention;

FIG. 3 is a left side view of the agricultural mechanized fertilizing apparatus of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 1;

FIG. 5 is a sectional view taken along line B-B of FIG. 1;

fig. 6 is a partially enlarged view of fig. 1.

In the figure: 1. a material storage box; 2. a feed hopper; 3. a first valve; 4. a support wheel; 5. a vertical rod; 6. a barrel; 7. a drive shaft; 8. a drive wheel; 9. a first limit ring; 10. a first helical gear; 11. a double-shaft motor; 12. a second helical gear; 13. a driving spur gear; 14. a second swash plate; 15. a first rotating shaft; 16. a first straight gear; 17. a first stirring rod; 18. a second stop collar; 19. a battery; 20. rotating the ball; 20-1. a cavity; 21. a seal ring; 22. a driven sprocket; 23. a drive motor; 24. a drive sprocket; 25. a chain; 26. a fixed cylinder; 27. a first slider; 28. a first slide bar; 29. an extrusion wheel; 30. a first spring; 31. a controller; 32. a connecting cylinder; 32-1. a cylinder door; 33. a stationary housing; 33-1, an annular channel; 33-2, a threaded hole; 33-3, positioning a groove; 33-4, a first sealing plate; 33-5 second closing plate; 34. a discharge pipe; 35. end sleeves; 36. a second valve; 37. discharging rings; 37-1. a through hole; 37-2, a groove; 38. adjusting the rotating shaft; 39. a connecting rod; 40. a third limit ring; 41. a discharge pipe; 42. a second slider; 43. a second slide bar; 44. a bump; 45. a second spring; 46. a second spur gear; 47. a second rotating shaft; 48. a second stirring rod; 49. a first swash plate.

Detailed Description

An embodiment of the agricultural mechanized fertilizing apparatus of the invention is shown in fig. 1, and comprises a frame and a storage box 1 mounted on the frame, wherein the storage box 1 is used for storing fertilizer, a feeding funnel 2 is arranged at the top of the storage box 1, and a first valve 3 is mounted on the feeding funnel 2. The frame includes with 1 bottom fixed connection's of storage case montant 5, the bottom of montant 5 is fixed with barrel 6, and drive shaft 7 runs through barrel 6 and can rotate relative to barrel 6, and drive shaft 7's axis of rotation extends along controlling the direction, and drive wheel 9 is installed respectively at both ends about it. In order to limit the position of the drive shaft 7, first limit rings 9 are fixed to the drive shaft 7 on the left and right sides of the cylinder 6.

First helical gear 10 is installed to the middle part position of drive shaft 7, and double-shaft motor 11 is installed to the bottom in the storage case 1, and double-shaft motor 11 has two upper and lower output shafts, and wherein go up the output shaft top and install drive spur gear 13, and lower output shaft passes the diapire of storage case 1, and is wearing out to serve and install second helical gear 12, and second helical gear 12 and first helical gear 10 meshing transmission, the rotation axis between them is perpendicular.

Be provided with agitating unit in the storage case 1 for stir fertilizer, avoid the fertilizer caking. Agitating unit is provided with a plurality of first puddlers 17 including vertical first pivot 15 and the second pivot 47 that sets up on first pivot 15, is provided with a plurality of second puddlers 48 on the second pivot 47, staggers about first puddler 17 and the second puddler 48, mutually noninterfere.

A first inclined plate 49 is fixed on the left side wall of the material storage box 1, a second inclined plate 14 is fixed on the right side wall of the material storage box, and the top ends of the two inclined plates are fixedly connected to form an inverted V-shaped structure. The first rotating shaft 15 penetrates through the first inclined plate 49, the second rotating shaft 47 penetrates through the second inclined plate 14, in order to limit the first rotating shaft 15 and the second rotating shaft 47, the upper side and the lower side of the first inclined plate 49 on the first rotating shaft 15 are respectively provided with a second limiting ring 18 in a clamping manner, and the upper side and the lower side of the second inclined plate 14 on the second rotating shaft 47 are also respectively provided with a limiting ring in a clamping manner.

First spur gear 16 is installed to the lower extreme of first pivot 15, second spur gear 46 is installed to the lower extreme of second pivot 47, drive spur gear 13 simultaneously with first spur gear 16 and the meshing transmission of second spur gear 46, therefore, when double-shaft motor 11 starts, two upper and lower output shafts rotate simultaneously, thereby drive second helical gear 12, drive spur gear 13 synchronous revolution, and then first helical gear 10, drive shaft 7, drive wheel 9 rotates, first spur gear 16 simultaneously, second spur gear 46, first pivot 15, second pivot 47 rotates, can realize fertilizer injection unit's walking on the one hand, on the other hand can realize the stirring of fertilizer.

The left side wall and the right side wall of the storage box 1 are provided with fertilization structures which are identical in structure and symmetrical left and right, the fertilization structures comprise rotating pieces which are rotatably arranged on the side walls of the storage box 1, and the rotating pieces in the embodiment are rotary balls 20. A sealing ring 21 is fixed on the inner side wall of the storage box 1, and the inner wall of the sealing ring 21 is in sliding fit with the outer wall of the rotary ball 20 through a spherical surface. The rotary ball 20 is fixed with a driven sprocket 22, the driven sprocket 22 is located outside the storage box 1, the driven sprocket 22 is in stop fit with the outer side wall of the storage box 1, and the driven sprocket 22 and the sealing ring 21 are matched with each other to limit the rotary ball 20 on the side wall of the storage box 1.

The rotation axis of the rotary ball 20 extends along the left-right direction, and a driving device for driving the rotary ball 20 to rotate is installed on the outer side wall of the material storage box 1, as shown in fig. 4, the driving device in this embodiment includes a driving motor 23, a driving sprocket 24 in transmission connection with the motor output shaft of the driving motor 23, and a chain 25 in meshing transmission with the driving sprocket 24 and the driven sprocket 22. In order to avoid the loosening of the chain 25, a squeezing device for squeezing the chain 25 to tension the chain 25 is further installed on the outer side wall of the magazine case 1, and the squeezing device in this embodiment includes a fixed cylinder 26, a first slider 27, a first slide rod 28, a squeezing wheel 29, and a first spring 30, wherein the first spring 30 and the first slider 27 are located in the fixed cylinder 26, and the first spring 30 is in a compressed state, and two ends of the first spring are pressed against the first slider 27 and the cylinder bottom of the fixed cylinder. The first slide bar 28 is fixed with the first slide block 27, the first slide bar 28 penetrates out of the fixed cylinder 26, and the extrusion wheel 29 is installed on the penetrating end of the first slide bar 28. The pressing wheel 29 always presses the chain 25 to keep it tensioned under the elastic force of the first spring 30.

As shown in FIG. 1, the rotary ball 20 is provided with a concave cavity 20-1, and the concave opening of the concave cavity 20-1 faces the inside of the storage bin 1, so that fertilizer in the storage bin 1 can enter the concave cavity 20-1. Also, the ball 20 is positioned adjacent to the bottom of the first swash plate 49 and the second swash plate 14 so that fertilizer is more easily introduced into the pocket 20-1 under the guidance of the two swash plates.

As shown in fig. 1 and 4, the fertilizer applying structure further includes four discharge pipes 34 connected to the spin ball 20 and rotating synchronously with the spin ball 20, in this embodiment, the four discharge pipes 34 are uniformly distributed on the same conical surface, and the central axis corresponding to the conical surface is the rotation axis of the spin ball 20. The discharge pipe 34 has a first nozzle and a second nozzle at both ends, defining the first nozzle communicating with the cavity 20-1, so that the fertilizer in the cavity 20-1 flows into the discharge pipe 34 by gravity as long as the discharge pipe 34 rotates horizontally and continues to rotate downward as the spin ball 20 rotates. To facilitate control of the opening and closing of the individual discharge pipes 34, a second valve 36 is mounted on each discharge pipe 34.

The fertilizing structure further comprises a connecting cylinder 32 fixedly connected to the outer side wall of the storage box 1, each discharging pipe 34 and the extruding device are located in the connecting cylinder 32, and a cylinder door 32-1 is arranged on the side wall of the connecting cylinder 32 for convenience of installation, maintenance, adjustment and control, as shown in fig. 2.

The fertilizing structure further comprises a fixed casing 33 fixedly connected with the connecting cylinder 32 and a discharging member installed in the fixed casing 33, as shown in fig. 5, the discharging member in this embodiment is an annular discharging ring 37, the discharging ring 37 is rotatably installed in the fixed casing 33, and the discharging ring 37 has a cylindrical outer peripheral surface rotatably matched with the fixed casing 33. Three connecting rods 39 are fixed on the inner wall of the discharging ring 37, the connecting rods 39 are fixedly connected with an adjusting rotating shaft 38, a second sealing plate 33-5 is arranged on one side of the fixed shell 33, which is away from the rotating ball 20, the adjusting rotating shaft 38 penetrates through the second sealing plate 33-5, and third limiting rings 40 are respectively clamped on the adjusting rotating shaft 38 on two sides of the second sealing plate 33-5 in order to limit the adjusting rotating shaft 38. The discharging ring 37 can be driven to rotate by rotating the adjusting rotating shaft 38.

The bottom of the second closing plate 33-5 is provided with a threaded hole 33-2, and as shown in fig. 6, the threaded hole 33-2 is internally threaded with a discharge pipe 41. The discharging ring 37 is provided with a plurality of through holes 37-1 with unequal apertures, and the cross sections of the through holes 37-1 passing through the same vertical plane are all circular and are uniformly distributed on the same circumference, as shown in fig. 5. In fact, each through hole 37-1 is an oblique hole, and as shown in FIG. 1, each through hole 37-1 is distributed on the same conical surface similar to the discharge pipe 34.

When the tapping ring 37 is rotated, the lowermost passage opening 37-1 is aligned with the tapping pipe 41, the passage opening 37-1 being referred to as the tapping opening. In order to position the discharging ring 37, a positioning structure for positioning the discharging ring 37 is arranged on the fixed shell 33, as shown in fig. 6, the positioning structure comprises positioning grooves 33-3 arranged on the inner wall of the discharging ring 37 at intervals, a second spring 45 and a second sliding block 42 which are arranged in the positioning grooves 33-3, a second sliding rod 43 fixed on the second sliding block 42, and a projection 44 fixed at the end of the second sliding rod 43, wherein the second spring 45 is in a compressed state. The discharging ring 37 is provided with a groove 37-2 at a position corresponding to each through hole 37-1, and when the discharging ring 37 is rotated, the discharging ring 37 can be positioned when the projection 44 is embedded into the groove 37-2. Of course, when the rotating force is greater than a predetermined value, the discharging ring 37 can press the protrusion 44 to move into the positioning groove 33-3, so that the discharging ring 37 can be rotated smoothly.

As shown in fig. 1, a first closing plate 33-4 is provided at a side of the stationary housing 33 facing the rotary ball 20, and the first closing plate 33-4 is provided with an annular passage into which an end portion of the discharge pipe 34 is inserted and rotated, the annular passage communicating with each through-hole 37-1. The longitudinal section of the annular channel in this embodiment is flared gradually towards the respective through hole 37-1, so that in practice, due to the arrangement of the annular channel, the first closing plate 33-4 is not already a single piece, the central part of which is fixed to the ball 20 by means of a connecting rod (not shown) and rotates synchronously with the ball 20. Of course, the central portion may also be fixedly connected to the adjustment shaft 38, so that the central portion rotates when the discharge ring 37 is rotated.

As shown in fig. 1 and 6, the end of the discharge pipe 34 is sleeved with an end sleeve 35, so as to reduce the abrasion of the end of the discharge pipe 34. The end sleeve 35 is located in the annular channel, the outer peripheral surface of the end sleeve 35 is matched with the annular channel, the end sleeve 35 can move in the annular channel along with the discharging pipe 34, the large end face of the end sleeve 34 is in stop fit with the side face of the discharging ring 37, and therefore the end sleeve 35 is limited in the annular channel and assembly is facilitated.

As the rotatable ball 20 rotates, each discharge pipe 34 rotates with the end sleeve 35 in the annular channel, when the discharge pipe 34 rotates to the lowest position, the discharge pipe 34 is aligned with the lowest through hole 37-1 (i.e. the discharge hole), that is, the second nozzle of the discharge pipe 34 is aligned with the discharge hole, the discharge pipe 34 is at the alignment position, and since the first nozzle is higher than the second nozzle, the fertilizer in the discharge pipe 34 can slide into the discharge hole by gravity and be discharged through the discharge pipe 41.

Therefore, as the discharge pipe 34 rotates, the discharge pipe 34 intermittently stays at the aligning station, so that intermittent fertilization can be realized. And the arrangement of a plurality of discharging pipes 34 and each discharging pipe 34 are provided with a second valve 36, so that the on-off of one discharging pipe 34 can be controlled through the second valve 36 according to the requirement, different intermittent time can be obtained, and the use is very flexible.

During the rotation of the discharge pipe 34, the discharge pipe 34 further has an attaching station for attaching a second nozzle to the side of the discharge ring 37 facing the spin ball 20, and when the discharge pipe 34 is at the attaching station, the side of the discharge ring 37 blocks the second nozzle. In practice, the take-off tube 34 is most of the time in the laminating station, except for the registration station. There are times, of course, when the second nozzle is aligned with the remaining through holes except the lowermost through hole, but the other ends of these through holes are blocked by the second closing plate 33-5, and fertilizer cannot be discharged from these through holes.

In addition, as shown in fig. 1, a battery 19 is provided in the magazine 1 for supplying electric power to the biaxial motor 11 and the driving motor 23. As shown in fig. 3, a controller 31 is further fixed on the outer side wall of the material storage box 1, and the controller 31 is connected with the dual-shaft motor 11 and the driving motor 23 for controlling the motors. In addition, the bottom of the storage box 1 is also provided with a supporting wheel 4, and the supporting wheel 4 is matched with a driving wheel 8 to realize the walking of the fertilizing device.

When the agricultural mechanized fertilizing device is used, the double-shaft motor 11 controls walking and fertilizer stirring simultaneously, the plurality of discharging pipes 34 control fertilizing intervals, the discharging ring 37 and the plurality of through holes 37-1 control fertilizing amount, adjustment can be performed according to different crops, fertilizing requirements of various crops are met, the use is very convenient, and the working efficiency can be improved.

Meanwhile, the material discharging pipes designed by the invention are obliquely arranged, the plurality of material discharging pipes are distributed on one conical surface, each material discharging pipe is provided with an alignment station, the first pipe orifices of the material discharging pipes are higher than the second pipe orifices when the material discharging pipes are positioned at the alignment station or even reach the alignment station, and the material can be discharged under the action of gravity.

In other embodiments of the agricultural mechanized fertilizing apparatus, the squeezing wheel in the squeezing device can be replaced by a non-rotatable squeezing disk; the pressing device can also be simplified to a resilient pressing bar.

In other embodiments of the agricultural mechanized fertilizing apparatus, the pressing device for pressing the chain may not be provided.

In other embodiments of the agricultural mechanized fertilizing apparatus, the rotary ball may also be fixed with a driven gear, at this time, the driving device includes a driving motor, a driving gear in transmission connection with an output shaft of the driving motor, the driving gear and the driven gear are in meshing transmission, at this time, the driving device adopts gear transmission; of course, the drive means may also be belt driven.

In other embodiments of the agricultural mechanized fertilizing apparatus, the rotating member may not be a rotating ball, that is, the rotating member may not be a ball, for example, the rotating member may be a cylinder, and the cylinder rotating member is also provided with a cavity and connected with a discharging pipe communicated with the cavity, and at this time, the cylinder rotating member may be rotatably mounted on the sidewall of the storage box through a common bearing.

In other embodiments of the agricultural mechanized fertilizing apparatus, the side of the fixed housing facing away from the rotating member may not be provided with the second sealing plate, but only with a blocking edge extending inward to block the discharging ring, or with no blocking edge, and several limit bolts may be installed on the fixed housing to prevent the discharging ring from coming off, so that the discharging ring can be directly rotated without an adjustment shaft, and the discharging pipe is omitted, and the fertilizer is directly discharged from the discharging hole.

In other embodiments of the agricultural mechanized fertilizing apparatus, the longitudinal cross-sectional shape of the annular channel may not be flared, but an annular through-hole directly matching the shape of the discharge pipe, in which case the end of the discharge pipe is directly inserted into the annular through-hole and moved therein, thereby omitting the endsleeve.

In other embodiments of the agricultural mechanized fertilizing apparatus, the annular channel may also be an annular groove with a notch facing the rotating member (i.e. the annular channel is not a through hole), and in order to discharge fertilizer, a discharge hole communicating with the discharge hole needs to be formed at the bottom of the annular groove.

In other embodiments of the agricultural mechanized fertilizing apparatus, the first sealing plate may not be disposed on the side of the fixed housing facing the rotating member, and the end of the discharging pipe directly contacts with the side surface of the discharging ring.

In other embodiments of the agricultural mechanized fertilizing apparatus, the discharging member may not be a discharging ring, that is, the discharging member is not annular, but is disc-shaped, being a discharging disc.

In other embodiments of the agricultural mechanized fertilizing apparatus, the positioning structure provided on the fixed housing for positioning the discharging member may also be a tightening bolt installed on the fixed housing, and at this time, when the discharging member is rotated, the tightening bolt needs to be loosened first.

In other embodiments of the agricultural mechanized fertilizing apparatus, the discharging member can be provided with only one through hole, namely the discharging hole, and the discharging member does not need to be rotated at the moment, so that the discharging member does not need to be provided with a cylindrical peripheral surface, and certainly does not need to be provided with a positioning structure.

In other embodiments of the agricultural mechanized fertilizing apparatus, no valve may be provided on each discharge pipe, and the discharge pipes are normally open.

In other embodiments of the agricultural mechanized fertilizing apparatus, there may be only one discharge pipe.

In other embodiments of the agricultural mechanized fertilizing apparatus, the stationary housing may be mounted on the frame while the frame structure may support the stationary housing, in which case the connecting cylinder may also be omitted.

In other embodiments of the agricultural mechanized fertilizing apparatus, when the rack structure can support and fix the discharging member, the discharging member can be installed on the rack, and the fixing shell is omitted.

In other embodiments of the agricultural mechanized fertilizing apparatus, the drive device may be mounted on the frame while the frame structure may mount the stationary drive device.

Claims

1. An agricultural mechanized fertilizing apparatus, comprising:

a frame;

the storage box is arranged on the rack and used for storing fertilizer;

its characterized in that, agricultural mechanized fertilizer injection unit still includes:

the discharging pipe is connected to the rotating piece and synchronously rotates along with the rotating piece, a first pipe opening and a second pipe opening are formed in two ends of the discharging pipe, the first pipe opening is defined to be communicated with the concave cavity, an alignment station for aligning the second pipe opening with the discharging hole and a joint station for jointing the second pipe opening with the side face of the discharging piece are arranged in the rotating process of the discharging pipe, and the discharging pipe is intermittently positioned at the alignment station along with the rotation of the rotating piece; when the discharge pipe is positioned at the fitting station, the side surface of the discharge part plugs the second pipe orifice; when the discharge pipe is positioned at the alignment station, the first pipe orifice is higher than the second pipe orifice so that the fertilizer in the concave cavity slides into the discharge hole through the discharge pipe under the action of gravity and is discharged;

the rotary member is spherical, a sealing ring is fixed on the inner side wall of the storage box, the inner wall of the sealing ring is matched with the outer wall of the rotary member through a spherical surface, a driven sprocket or a driven gear is fixed on the rotary member, the driven sprocket or the driven gear is located outside the storage box, the driven sprocket or the driven gear is in stop fit with the outer side wall of the storage box, and the driven sprocket or the driven gear and the sealing ring are matched with each other to limit the rotary member on the side wall of the storage box.

2. The agricultural mechanized fertilizing apparatus of claim 1, wherein the plurality of discharging pipes are distributed on a same conical surface, and the central axis corresponding to the conical surface is the rotation axis of the rotating member.

3. The agricultural mechanized fertilizing apparatus of claim 2, wherein each discharge pipe is provided with a valve for controlling the on-off of the discharge pipe.

4. The agricultural mechanized fertilizer apparatus of any one of claims 1 to 3, wherein a fixed housing is fixed to an outer side wall of the rack or the storage box, the discharging member is rotatably mounted in the fixed housing, the discharging member has a cylindrical outer peripheral surface rotatably matched with the fixed housing, a positioning structure for positioning the discharging member is provided on the fixed housing, a plurality of through holes with unequal apertures are provided on the discharging member, the plurality of through holes are distributed along the same circumference, and the lowest through hole forms the discharging hole.

5. The agricultural mechanized fertilizing apparatus of claim 4, wherein a first sealing plate is provided on a side of the stationary housing facing the rotary member, the first sealing plate being provided with an annular passage in which an end of the discharge pipe is inserted and rotates, the annular passage communicating with the discharge hole.

6. The agricultural mechanized fertilizer apparatus of claim 5, wherein the annular channel has a flared longitudinal section that gradually expands toward each of the through holes, the end of the discharge pipe is sleeved with an end sleeve, the end sleeve is located in the annular channel, the outer peripheral surface of the end sleeve is matched with the annular channel, the end sleeve can move in the annular channel along with the discharge pipe, and the large end surface of the end sleeve is in blocking fit with the side surface of the discharge member.

7. The agricultural mechanized fertilizing apparatus of claim 4, wherein a second sealing plate is provided on a side of the fixed casing facing away from the rotating member, the second sealing plate is provided with a discharge pipe communicated with the discharge hole, and a rotating shaft fixedly connected with the discharge member for controlling the rotation of the discharge member is further provided on the second sealing plate.

8. The agricultural mechanized fertilizing apparatus of any one of claims 1 to 3, wherein the driven sprocket is fixed on the rotating member, and the driving device comprises a motor, a driving sprocket in transmission connection with an output shaft of the motor, and a chain in meshing transmission with the driving sprocket and the driven sprocket.

9. The agricultural mechanized fertilizing apparatus of claim 8, further comprising a pressing device for pressing the chain to tension the chain.