CN218735871U - No-tillage seeding equipment for corn - Google Patents

Abstract

The utility model discloses a corn no-tillage sowing device, which comprises a bracket, wherein a plurality of seed storage grooves are arranged at the upper end of the bracket, the lower ends of the seed storage grooves are communicated with a seed discharging shell, the lower end of the seed discharging shell is communicated with a seed discharging pipe, a first ditching coulter is arranged at the rear side of the lower end of the seed discharging pipe, a transversely arranged first rotating shaft is rotatably connected between the brackets, a plurality of sections of seed discharging shafts which are in one-to-one correspondence with the seed storage grooves are arranged at the periphery of the first rotating shaft, a first discharging rotating hole which is rotatably connected with the seed discharging shafts is arranged on the seed discharging shell, and a plurality of seed grooves are inwards arranged at the periphery of the seed discharging shafts; the support is rotatably connected with a connecting shaft which is transversely arranged, a plurality of driving idler wheels are mounted on the connecting shaft, a driving chain wheel is arranged on the rotating shaft, a first transmission chain wheel is arranged on the first rotating shaft, and the first transmission chain wheel is in transmission connection with the driving chain wheel through a first transmission chain. The utility model discloses simple structure, manufacturing cost is lower, more is favorable to popularizing and applying.

Description

No-tillage seeding equipment for corn

Technical Field

The utility model relates to the technical field of agricultural instruments, in particular to no-tillage corn sowing equipment.

Background

The mechanized technology of no-tillage covering planting of corn, namely no-tillage seeding of corn, has the advantages of water storage and moisture conservation, land fertility improvement, energy and labor conservation, yield increase and stabilization and the like, no-tillage direct seeding saves tillage operation, saves operation cost, and leads the seeding period to be 1-2 days earlier than conventional flat seeding. The Qinglongshan farm is popularized and applied in a large area in 2000 years after the tests are successfully carried out on part of plots. The existing no-tillage corn seeders on the market are various, but the transmission structure of most no-tillage corn seeders is more complicated, so that the manufacturing cost of the no-tillage corn seeders is higher, and the popularization and the application are more difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a no-tillage seeding equipment of maize, simple structure, manufacturing cost is lower, more is favorable to popularizing and applying.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the corn no-tillage sowing equipment comprises a support, wherein the rear side of the support is connected with a suspension connecting frame, the upper end of the support is provided with a plurality of seed storage grooves, the lower ends of the seed storage grooves are communicated with a seed discharging shell, the lower end of the seed discharging shell is communicated with a downward seed discharging pipe, the rear side of the lower end of the seed discharging pipe is provided with a first ditching coulter which is arranged backwards, the support is rotatably connected with a first rotating shaft which is transversely arranged, a plurality of seed discharging shafts which are in one-to-one correspondence with the seed storage grooves are arranged on the periphery of the first rotating shaft, the seed discharging shell is provided with a first discharging rotating hole which is rotatably connected with the corresponding seed discharging shaft, and a plurality of seed grooves which are circumferentially distributed are inwards arranged on the periphery of the seed discharging shaft;

the support in the rear of first pivot is rotated and is connected with the connecting axle of horizontal setting, install on the connecting axle a plurality ofly with the drive gyro wheel of seed storage tank one-to-one, be provided with driving sprocket in the pivot, be provided with first drive sprocket in the first pivot, first drive sprocket with driving sprocket passes through a drive chain transmission and connects.

Through adopting above-mentioned technical scheme, when carrying out the maize seeding, be connected the device with the tractor through hanging the link, tractor drive arrangement walks in the field and sows, during the walking, drive gyro wheel and ground contact roll, the seeding ditch is opened again in fertilization ditch department to first ditching coulter following immediately behind it, the roll of drive gyro wheel drives first pivot through first drive sprocket and rotates, make the seed unloading axle constantly rotate, it constantly gets into seed unloading shell dress one grain maize seed to drive the seed groove, rotate again and pour the seed into seed unloading pipe, drop in the seeding ditch, last V type covers the soil shovel process, the soil on both sides of seeding ditch is scraped into the seeding ditch inner cover seed.

The utility model discloses a further set up to: the seed discharging shaft is provided with a plurality of rows of seed grooves which are arranged in a circumferential manner, the number of each seed groove is gradually increased along the length direction of the seed discharging shaft, the first rotating shaft can slide left and right relative to the support, a first threaded connecting sleeve is arranged outwards on one side of the support, one end of the first rotating shaft is axially and rotatably connected with a first threaded adjusting shaft in threaded connection with the first threaded connecting sleeve, and a first rotating wheel is arranged at the free end of the first threaded adjusting shaft;

the support connection have with first drive sprocket rotates the first gear connection frame of connecting, the free end of first gear connection frame has inwards been seted up and has been accomodate first gear of first drive sprocket accomodates the groove, the lateral wall of first drive sprocket is provided with first rotatory go-between, the overcoat has been seted up to the free end of first gear connection frame first rotatory go-between and rotate the first lantern ring of being connected with it, first connecting groove has inwards been seted up to the inner circle of first drive sprocket, be provided with in the first pivot with first bayonet lock of first connecting groove sliding connection.

Through adopting above-mentioned technical scheme, remove about through rotating first screw thread regulating spindle pulling first pivot, the seed groove that makes the epaxial different rows of seed unloading enters into seed unloading shell and carries out the seed unloading to the position of fixed first drive sprocket makes first pivot slip relatively first drive sprocket, does not influence the slip of first pivot, finally reaches the purpose of adjustment seeding interval.

The utility model discloses a further set up to: and a flat seed arrangement groove is communicated between the lower end of the seed storage groove and the corresponding seed discharging shell.

The utility model discloses a further set up to: one side of the lower end of the seed discharging pipe, which is far away from the first ditching coulter, is connected with a V-shaped soil covering shovel which is approximately V-shaped and has a backward opening.

The utility model discloses a further set up to: the fertilizer discharging device is characterized in that a fertilizer storage groove is formed in the upper end of the support behind the driving roller, the lower end of the fertilizer storage groove is communicated with a plurality of fertilizer discharging shells in one-to-one correspondence to the seed storage groove, the lower end of each fertilizer discharging shell is communicated with a downward fertilizer discharging pipe, the open end of the lower end of each fertilizer discharging pipe is lower than the open end of the lower end of each seed discharging pipe, a second ditching coulter is arranged behind the lower end of each fertilizer discharging pipe, a second rotating shaft which is transversely arranged and located behind the first rotating shaft is rotatably connected between the supports, a plurality of fertilizer discharging shafts in one-to-one correspondence to the fertilizer storage grooves are arranged on the periphery of each second rotating shaft, first discharging rotating holes which are rotatably connected with the corresponding fertilizer discharging shafts are formed in the fertilizer discharging shells, a plurality of fertilizer loading grooves which are circumferentially distributed are formed in the periphery of the fertilizer discharging shafts inwards, a second driving sprocket is arranged on the second rotating shaft, and the second driving sprocket is connected with the driving sprocket through a second driving chain.

Through adopting above-mentioned technical scheme, in the seeding process, the second ditching coulter stretches into and goes along with the tractor in the soil and drags the ditch, drive gyro wheel and ground contact roll, drive the rotation of second pivot through second drive sprocket, make the epaxial dress fertilizer groove of fertilizer unloading rotate relative fertilizer unloading shell, the dress fertilizer groove that is equipped with fertilizer rotates when down, fertilizer falls into in the fertilizer unloading pipe, finally falls into the fertilization ditch of opening in, drive gyro wheel rolls and carries out certain earthing to the fertilization ditch after the fertilization ditch.

The utility model discloses a further set up to: the fertilizer discharging shaft is provided with a plurality of rows of fertilizer containing grooves which are circumferentially arranged, the number of the fertilizer containing grooves in each row is gradually increased along the length direction of the fertilizer discharging shaft, the second rotating shaft can slide left and right relative to the support, a second thread connecting sleeve is arranged outwards on one side of the support, one end of the second rotating shaft is axially and rotatably connected with a second thread adjusting shaft in threaded connection with the second thread connecting sleeve, and a second rotating wheel is arranged at the free end of the second thread adjusting shaft;

the leg joint have with the second drive sprocket rotates the second gear link of connecting, the free end of second gear link is inwards seted up and is accomodate the groove is accomodate to the second gear of second drive sprocket, the lateral wall of second drive sprocket is provided with second rotation go-between, the overcoat has been seted up to the free end of second gear link the second rotates the go-between and rotates the second rotation lantern ring of being connected with it, second connecting groove has inwards been seted up to the inner circle of second drive sprocket, be provided with in the second pivot with second connecting groove sliding connection's second bayonet lock.

Through adopting above-mentioned technical scheme, when the adjustment was sowed the interval, remove about through rotating second screw thread regulating spindle pulling second volume pivot, the dress fertilizer groove that makes the epaxial different rows of fertilizer unloading enters into fertilizer unloading shell and carries out the fertilizer whereabouts in to the position of fixed second drive sprocket makes the second pivot second drive sprocket slip relatively, does not influence the slip of second pivot, finally reaches the purpose that the cooperation was sowed the interval and is fertilizeed.

Compared with the prior art, the utility model discloses following beneficial effect has:

the corn no-tillage sowing device is used for corn no-tillage sowing, does not need to perform tillage operation before sowing, does not have too many complex transmission structures, has a simpler overall structure and lower manufacturing cost, and is more favorable for popularization and application;

secondly, the corn no-tillage seeding equipment is also provided with a fertilizing function, and can be matched with the seeding interval to perform one-to-one fertilization, so that accurate fertilization is realized, the corn can better absorb fertilizer in the growth process, and the utilization rate of the fertilizer is improved;

thirdly, the utility model discloses can also sow the interval adjustment, the fertilization interval also can follow the seeding interval and carry out corresponding adjustment, and the adjustment mode is simple and convenient.

Drawings

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

fig. 2 is a schematic view of the overall structure of the rear side of the present invention;

FIG. 3 is a schematic view of the overall structure within the stent;

fig. 4 is a view showing the connection of the connection shaft and the first and second rotation shafts.

In the figure: 1. a support; 11. hanging the connecting frame; 12. a first threaded connection sleeve; 13. a second threaded connecting sleeve; 2. a seed storage tank; 21. a flat seed arrangement groove; 22. seed blanking shell; 23. a seed discharging pipe; 24. a first furrow plough coulter; 25. a V-shaped soil covering shovel; 3. a first rotating shaft; 31. a seed discharging shaft; 32. seed grain grooves; 33. a first threaded adjustment shaft; 34. a first runner; 35. a first drive sprocket; 36. a first rotating connecting ring; 37. a first connecting clamping groove; 38. a first bayonet lock; 4. a connecting shaft; 41. driving the roller; 42. a drive sprocket; 43. a first drive chain; 44. a second drive chain; 5. a first gear connecting frame; 51. a first gear receiving groove; 52. a first rotating collar; 6. a fertilizer storage tank; 61. a fertilizer blanking shell; 62. a fertilizer discharging pipe; 63. a second ditching coulter; 7. a second rotating shaft; 71. a fertilizer discharging shaft; 72. loading a fertilizer groove; 73. a second drive sprocket; 74. a second threaded adjustment shaft; 75. a second runner; 76. a second rotary connecting ring; 77. a second connecting clamping groove; 78. a second bayonet lock; 8. a second gear connecting frame; 81. a second gear receiving groove; 82. a second rotating collar.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Embodiment, referring to fig. 1-4, a no-tillage seeding apparatus for corn, including a support 1, the rear side of support 1 is connected with a suspension link 11, suspension link 11 is used for being connected with a tractor, the upper end of support 1 is provided with five seed storage tanks 2, the lower extreme intercommunication of seed storage tank 2 has a flat seed arrangement groove 21, the lower extreme intercommunication of flat seed arrangement groove 21 has a seed unloading shell 22, the width in flat seed arrangement groove 21 is only slightly wider than the width of corn seed, make corn seed can freely fall in flat seed arrangement groove 21, but the seed can not pile together from beginning to end, can more accurate seeding, the lower extreme intercommunication of seed unloading shell 22 has a seed unloading pipe 23 that sets up downwards, the rear side of seed unloading pipe 23 lower extreme is provided with a first ditching coulter 24 that sets up backwards. One side of the lower end of the seed discharging pipe 23, which is far away from the first ditching coulter 24, is connected with a V-shaped soil covering shovel 25 which is approximately V-shaped and has a backward opening, and the V-shaped soil covering shovel is used for scraping soil around the planting furrows into the furrows to cover the corn seeds.

A first rotating shaft 3 which is transversely arranged is rotatably connected between the brackets 1, five seed discharging shafts 31 which are in one-to-one correspondence with the seed storage grooves 2 are arranged on the periphery of the first rotating shaft 3, a first discharging rotating hole (not shown) which is rotatably connected with the corresponding seed discharging shaft 31 is formed in the seed discharging shell 22, four rows of seed grooves 32 which are circumferentially arranged are arranged on the seed discharging shaft 31, the number of each row of seed grooves 32 is gradually increased along the length direction of the seed discharging shaft 31, the first rotating shaft 3 can slide left and right relative to the brackets 1, a first threaded connecting sleeve 12 is outwards arranged on one side of each bracket 1, a first threaded adjusting shaft 33 which is in threaded connection with the first threaded connecting sleeve 12 is axially and rotatably connected with one end of the first rotating shaft 3, a first rotating wheel 34 is arranged at the free end of the first threaded adjusting shaft 33, the first rotating shaft 3 is moved left and right by rotating the first threaded adjusting shaft 33, different rows of seed grooves 32 on the seed discharging shaft 31 enter the seed discharging shell 22, and the purpose of adjusting the seed sowing distance is achieved.

The support 1 is rotatably connected with a connecting shaft 4 transversely arranged at the rear of the first rotating shaft 3, five driving idler wheels 41 which are in one-to-one correspondence with the seed storage grooves 2 are mounted on the connecting shaft 4, four driving chain wheels 42 are arranged on the rotating shaft, two first driving chain wheels 35 are arranged on the first rotating shaft 3, and the two first driving chain wheels 35 are in transmission connection with the two driving chain wheels 42 in the middle through a first driving chain 43. The support 1 is connected with a first gear connecting frame 5 rotationally connected with a first transmission chain wheel 35, a first gear accommodating groove 51 for accommodating the first transmission chain wheel 35 is formed inwards at the free end of the first gear connecting frame 5, a circle of first rotating connecting rings 36 are arranged on two side walls of the first transmission chain wheel 35, a first rotating lantern ring 52 which is sleeved with the first rotating connecting rings 36 and rotationally connected with the first rotating connecting rings 36 is formed at the free end of the first gear connecting frame 5 in a penetrating mode, a first connecting clamping groove 37 is formed inwards in the inner ring of the first transmission chain wheel 35, a first clamping pin 38 which is slidably connected with the first connecting clamping groove 37 is arranged on the first rotating shaft 3, the position of the first transmission chain wheel 35 is fixed, and the first rotating shaft 3 can slide relative to the first transmission chain wheel 35.

The upper end of support 1 is provided with a fertilizer storage tank 6 in the rear of drive roller 41, the lower extreme intercommunication of fertilizer storage tank 6 has five fertilizer unloading shells 61 with seed storage tank 2 one-to-one, the lower extreme intercommunication of fertilizer unloading shell 61 has a fertilizer unloading pipe 62 that sets up downwards, the open end of fertilizer unloading pipe 62 lower extreme is less than the open end of seed unloading pipe 23 lower extreme, when making the seeding, fertilizer is in the below of maize seed, fertilizer does not contact with maize seed, prevent that fertilizer from burning out maize seed, the rear side of fertilizer unloading pipe 62 lower extreme is provided with a second ditching coulter 63 that sets up backwards.

A second rotating shaft 7 which is transversely arranged and is positioned behind the first rotating shaft 3 is rotatably connected between the supports 1, five fertilizer discharging shafts 71 which are in one-to-one correspondence with the fertilizer storage grooves 6 are arranged on the periphery of the second rotating shaft 7, a first discharging rotating hole (not shown in the figure) which is rotatably connected with the corresponding fertilizer discharging shaft 71 is formed in the fertilizer discharging shell 61, four rows of fertilizer loading grooves 72 which are circumferentially arranged are formed in the fertilizer discharging shaft 71, the number of each row of fertilizer loading grooves 72 is gradually increased along the length direction of the fertilizer discharging shaft 71, the position and the number of each row of fertilizer loading grooves 72 are in one-to-one correspondence with the seed grooves 32, two second transmission chain wheels 73 are arranged on the second rotating shaft 7, the two second transmission chain wheels 73 are in transmission connection with the two driving chain wheels 42 on the left side and the right side through a second transmission chain 44, the second rotating shaft 7 can also slide left and right relative to the supports 1, a second threaded connecting sleeve 13 is outwards arranged on one side of the supports 1, one end of the second rotating shaft 7 is axially rotatably connected with a second threaded connecting shaft 74 which is in threaded connecting with the second threaded connecting sleeve 13, and a free adjusting shaft 75 is arranged at the second threaded adjusting shaft 74.

The bracket 1 is connected with a second gear connecting frame 8 rotationally connected with the second transmission chain wheel 73, a second gear accommodating groove 81 for accommodating the second transmission chain wheel 73 is formed inwards at the free end of the second gear connecting frame 8, second rotational connecting rings 76 are arranged on two side walls of the second transmission chain wheel 73, a second rotational lantern ring 82 which is sleeved outside the second rotational connecting rings 76 and rotationally connected with the second rotational connecting rings 76 is formed at the free end penetrating through the second gear connecting frame 8, a second connecting clamping groove 77 is formed inwards at the inner ring of the second transmission chain wheel 73, a second clamping pin 78 which is slidably connected with the second connecting clamping groove 77 is arranged on the second rotating shaft 7, and the position of the second transmission chain wheel 73 is fixed, so that the second rotating shaft 7 can slide relative to the second transmission chain wheel 73.

The working principle is as follows: when corn is sowed, the device is connected with a tractor through a suspension connecting frame 11, the tractor dragging device walks in the field for sowing, when the device walks, a second ditching coulter 63 extends into soil and drags a ditch along with the tractor, a driving roller 41 rolls in contact with the ground, a second rotating shaft 7 is driven to rotate through a second transmission chain wheel 73, a fertilizer loading groove 72 on a fertilizer unloading shaft 71 rotates relative to a fertilizer unloading shell 61, when the fertilizer loading groove 72 filled with fertilizer rotates downwards, the fertilizer falls into a fertilizer unloading pipe 62 and finally falls into the opened fertilizer unloading ditch, the driving roller 41 rolls over the fertilizer unloading ditch and then carries out earthing to a certain degree, a first ditching coulter 24 next to the fertilizer unloading ditch opens a sowing ditch, the rolling of the driving roller 41 drives a first rotating shaft 3 to rotate through a first transmission chain wheel 35, the seed unloading shaft 31 rotates continuously, the driving groove 32 continuously enters a seed unloading shell 22 to load one seed, the corn seed is poured into the sowing ditch 23 and falls into the sowing ditch, and finally the sowing ditch covers two sowing ditches while the soil.

When the sowing distance needs to be adjusted, the first thread adjusting shaft 33 is rotated to drive the first rotating shaft 3 to move left and right, so that seed grooves 32 in different rows on the seed discharging shaft 31 enter the seed discharging shell 22 to perform seed discharging, and meanwhile, the corresponding second thread adjusting shaft 74 is rotated to drive the second rotating shaft 7 to move left and right, so that fertilizer loading grooves 72 in different rows on the fertilizer discharging shaft 71 enter the fertilizer discharging shell 61 to perform fertilizer falling, and the purpose of performing one-to-one seed fertilization is achieved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a no-tillage seeding equipment of maize, includes support (1), its characterized in that: the rear side of the support (1) is connected with a suspension connecting frame (11), the upper end of the support (1) is provided with a plurality of seed storage grooves (2), the lower ends of the seed storage grooves (2) are communicated with seed blanking shells (22), the lower ends of the seed blanking shells (22) are communicated with a downward seed blanking pipe (23), the rear side of the lower end of the seed blanking pipe (23) is provided with a first ditching coulter (24) which is arranged backwards, a first rotating shaft (3) which is transversely arranged is rotatably connected between the supports (1), the periphery of the first rotating shaft (3) is provided with a plurality of seed blanking shafts (31) which are in one-to-one correspondence with the seed storage grooves (2), the seed blanking shells (22) are provided with first blanking rotating holes which are rotatably connected with the corresponding seed blanking shafts (31), and the periphery of the seed blanking shafts (31) is inwards provided with a plurality of seed grooves (32) which are distributed circumferentially;

support (1) in the rear of first pivot (3) is rotated and is connected with connecting axle (4) of horizontal setting, install on connecting axle (4) a plurality of with drive gyro wheel (41) of seed storage tank (2) one-to-one, be provided with driving sprocket (42) in the pivot, be provided with first drive sprocket (35) on first pivot (3), first drive sprocket (35) with driving sprocket (42) are connected through first drive chain (43) transmission.

2. The no-tillage seeding equipment for corn as claimed in claim 1, wherein: the seed discharging shaft (31) is provided with a plurality of rows of seed grooves (32) which are circumferentially arranged, the number of the seed grooves (32) in each seed arrangement is gradually increased along the length direction of the seed discharging shaft (31), the first rotating shaft (3) can also slide left and right relative to the support (1), one side of the support (1) is outwards provided with a first threaded connecting sleeve (12), one end of the first rotating shaft (3) is axially and rotatably connected with a first threaded adjusting shaft (33) in threaded connection with the first threaded connecting sleeve (12), and the free end of the first threaded adjusting shaft (33) is provided with a first rotating wheel (34);

support (1) be connected with first gear connection frame (5) that first drive sprocket (35) rotate and connect, the free end of first gear connection frame (5) is inwards seted up and is accomodate first gear of first drive sprocket (35) accomodates groove (51), the lateral wall of first drive sprocket (35) is provided with first go-between (36) that rotates, the overcoat has been seted up to the free end of first gear connection frame (5) first go-between (36) that rotates and rotate the first lantern ring (52) of being connected with it, first connection draw-in groove (37) have inwards been seted up to the inner circle of first drive sprocket (35), be provided with on first pivot (3) with first bayonet lock (38) of first connection draw-in groove (37) sliding connection.

3. The no-tillage seeding equipment for corn as claimed in claim 1, wherein: a flat seed arrangement groove (21) is communicated between the lower end of the seed storage groove (2) and the corresponding seed blanking shell (22).

4. The no-tillage seeding equipment for corn as claimed in claim 1, wherein: one side of the lower end of the seed discharging pipe (23) far away from the first ditching coulter (24) is connected with a V-shaped soil covering shovel (25) which is approximately V-shaped and has a backward opening.

5. The no-tillage seeding equipment for corn as claimed in claim 1, wherein: the fertilizer feeding mechanism is characterized in that a fertilizer storage groove (6) is formed in the upper end of the support (1) and behind the driving roller (41), a plurality of fertilizer feeding shells (61) which correspond to the seed storage grooves (2) in a one-to-one mode are communicated with the lower end of the fertilizer storage groove (6), a fertilizer feeding pipe (62) which is arranged downwards is communicated with the lower end of the fertilizer feeding pipe (61), the open end of the lower end of the fertilizer feeding pipe (62) is lower than the open end of the lower end of the seed feeding pipe (23), a second ditching coulter (63) which is arranged backwards is arranged on the rear side of the lower end of the fertilizer feeding pipe (62), a second rotating shaft (7) which is transversely arranged and located behind the first rotating shaft (3) is rotatably connected between the supports (1), a plurality of fertilizer feeding shafts (71) which correspond to the fertilizer storage grooves (6) in a one-to-one mode are arranged on the periphery of the second rotating shaft (7), a plurality of fertilizer feeding shafts (71) which correspond to the fertilizer feeding shafts (71) are rotatably connected with the fertilizer feeding shaft (61), and a second chain wheel (73) which is connected with the driving chain wheel (42) through a second chain wheel (73) which is arranged in a transmission chain.

6. The no-tillage seeding equipment for corn as claimed in claim 5, wherein: a plurality of rows of fertilizer containing grooves (72) which are arranged in a circumferential manner are formed in the fertilizer discharging shaft (71), the number of each row of fertilizer containing grooves (72) is gradually increased along the length direction of the fertilizer discharging shaft (71), the second rotating shaft (7) can slide left and right relative to the support (1), a second threaded connecting sleeve (13) is arranged on one side of the support (1) outwards, a second threaded adjusting shaft (74) in threaded connection with the second threaded connecting sleeve (13) is axially and rotatably connected to one end of the second rotating shaft (7), and a second rotating wheel (75) is arranged at the free end of the second threaded adjusting shaft (74);

support (1) be connected with second drive sprocket (73) rotate second gear link (8) of being connected, the free end of second gear link (8) is inwards seted up and is accomodate second gear receiving groove (81) of second drive sprocket (73), the lateral wall of second drive sprocket (73) is provided with second rotation go-between (76), the overcoat has been seted up to the free end of second gear link (8) second rotation go-between (76) and rotate the second rotation lantern ring (82) of being connected with it, second connecting slot (77) have inwards been seted up to the inner circle of second drive sprocket (73), be provided with on second pivot (7) with second connecting slot (77) sliding connection's second bayonet lock (78).

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