CN213404103U

CN213404103U - Side deep fertilizing seeder for rice

Info

Publication number: CN213404103U
Application number: CN202021857142.7U
Authority: CN
Inventors: 邵斌; 周冬冬; 林祥军; 左星; 潘星星; 陆炜; 胡明鹏; 高宁; 杨静涛
Original assignee: Bright Food Group Shanghai Farm Co ltd
Current assignee: Bright Food Group Shanghai Farm Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-06-11
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a rice side deep fertilizing and seeding machine, include: the machine comprises a frame, wherein a middle sowing box is arranged at the lower end of the frame, a left sowing box and a right sowing box are symmetrically arranged on the two sides of the middle sowing box through first connecting bolts, a middle fertilizing box connected with the middle sowing box is arranged at the front end of the middle sowing box, a left fertilizing box and a right fertilizing box are symmetrically arranged on the two sides of the middle fertilizing box through second connecting bolts, the left fertilizing box and the left sowing box are connected into a whole, the right fertilizing box and the right sowing box are connected into a whole, a left folding oil cylinder and a right folding oil cylinder are symmetrically arranged on the upper end of the frame, a left piston rod of the left folding oil cylinder is connected with the upper end of the left sowing box, and a right piston rod of the right folding oil cylinder is connected with the upper end of the right sowing box.

Description

Side deep fertilizing seeder for rice

Technical Field

The utility model relates to an agricultural machine especially relates to a rice side deep fertilizing and seeding machine.

Background

The rice planter is a agricultural machine commonly used, current rice planter all is the integral type structure, can not fold, normally pass on the locomotive road owing to consider the rice planter, rice planter's working length is shorter, work efficiency is not high, the seeding volume can not be adjusted, seeding effect is not good, and simultaneously, current rice planter can only carry out single seeding operation, the operation such as fertilization relevant with the seeding, the flat field, the millet collapses, ditching still needs other machines to accomplish, the function is single, it is very inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: provides a rice side deep fertilizing and seeding machine which can synchronously and alternately perform seeding and fertilizing.

In order to solve the technical problem, the utility model discloses a technical scheme is: the deep fertilizing and seeding machine of rice side includes: the seeding machine comprises a frame, a middle seeding box is arranged at the lower end of the frame, a left seeding box and a right seeding box are symmetrically arranged on two sides of the middle seeding box through a first connecting bolt, a middle fertilizing box connected with the middle seeding box into a whole is arranged at the front end of the middle seeding box, a left fertilizing box and a right fertilizing box are symmetrically arranged on two sides of the middle fertilizing box through a second connecting bolt, the left fertilizing box is connected with the left seeding box into a whole, the right fertilizing box is connected with the right seeding box into a whole, a left folding oil cylinder and a right folding oil cylinder are symmetrically arranged on two sides of the upper end of the frame, a left piston rod of the left folding oil cylinder is connected with the upper end of the left seeding box, a right piston rod of the right folding oil cylinder is connected with the upper end of the right seeding box, and a pair of front supporting wheels are arranged at the front ends of the left seeding box and, a pair of land wheels are arranged at the rear end of the frame through a land wheel bracket, an arc-shaped flat field scraper is respectively and fixedly arranged at the lower ends of the middle sowing box, the left sowing box and the right sowing box, a pair of middle furrow openers are fixedly arranged on the arc-shaped flat field scraper at the lower end of the middle sowing box, a pair of side furrow openers are fixedly arranged on the arc-shaped flat field scraper at the lower ends of the left sowing box and the right sowing box, a plurality of sowing dragging furrow openers are uniformly arranged at the lower ends of the arc-shaped flat field scrapers, floating boats are respectively and movably arranged at the lower ends of the middle fertilizing box, the left fertilizing box and the right fertilizing box through hinges, a plurality of fertilizing dragging furrow openers are uniformly arranged on the floating boats, the sowing dragging furrow openers and the fertilizing dragging furrow openers are alternately arranged, a grain device and a pedal connected with the grain device are respectively arranged at the rear ends of the middle sowing box, the, step on millet device and sow to drag ditch ware and fertilize and drag ditch ware to mutually support, the structure of middle seeding case includes: the seeding box the lower extreme of seeding box evenly is provided with a plurality of and the seeding drags the seed metering ware one-to-one of ditch ware the lower extreme of seed metering ware is provided with the seed metering groove respectively the concatenation has first kind of transmission shaft in the seed metering ware, left side seeding case, right side seeding case are the same with middle seeding case's structure, the first kind of transmission shaft of middle seeding incasement is connected with the second seed metering transmission shaft of left seeding case, right seeding incasement through first tooth-embedded coupling mechanism and first spring, the second seed metering transmission shaft is connected with volume of planting adjusting hand wheel, middle fertilization case's structure includes: the fertilizer applying machine comprises a fertilizer applying box body, wherein a plurality of fertilizer applicators which are in one-to-one correspondence to the fertilizer applying and trench dragging devices are uniformly arranged at the lower end of the fertilizer applying box body, the lower ends of the fertilizer applicators are respectively provided with a fertilizer applying groove, a first fertilizer applying transmission shaft is connected in series in the fertilizer applicators, a first main gas pipe is arranged on the fertilizer applying box body, the first main gas pipe is respectively communicated with the fertilizer applying grooves through a first branch gas pipe, the left fertilizer applying box, a right fertilizer applying box and a middle fertilizer applying box have the same structure, the first fertilizer applying transmission shaft in the middle fertilizer applying box is connected with a second fertilizer applying transmission shaft in the left fertilizer applying box and the right fertilizer applying box through a second tooth embedded type connecting mechanism and a second spring, the second fertilizer applying transmission shaft is connected with a fertilizer amount adjusting hand wheel, the first main gas pipe on the middle fertilizer applying box is connected with second main gas pipes on the left fertilizer applying box and the right fertilizer applying box through a first connecting hose, a fan is arranged at, the impeller shaft of the fan is connected with the power shaft of the tractor through a transmission mechanism, the air inlet of the fan is communicated with the outside, and the air outlet of the fan is connected with the first main air pipe on the middle fertilizing box through a second connecting hose.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: the ground wheel support is characterized in that one end, far away from a ground wheel, of the ground wheel support is movably connected with the rack through a pin shaft, a vertical guide rod is arranged at the other end, close to the ground wheel, of the ground wheel support, the upper end of the vertical guide rod is arranged on the rack in a sliding mode, a buffer spring is arranged on the vertical guide rod of the ground wheel support and the rack support, one end of the buffer spring is abutted to the rack, and the other end of the buffer spring is abutted to the ground wheel support.

In order to better solve the technical problem, the utility model discloses a further technical scheme is: side baffles are respectively arranged on the side surfaces of the floating boats at the lower ends of the left fertilizing box and the right fertilizing box.

The utility model has the advantages that: above-mentioned rice side depth fertilizing and seeding machine, both sides can carry out perpendicular folding when driving on the road, can carry out the level when the field operation and extend, can realize the broad width operation, the seeding volume, the rate of fertilizer application all can be adjusted alone, the seeding, it is effectual to fertilize, seeding and fertilization can go on in turn in step, reduce the fertilization procedure behind one rice seeding, reduce the cost of operation 2.5 yuan/mu, high work efficiency, can reach synchronous seeding, fertilize 30 mu/hour, the seeding is carried out the ditching fertilization in seed one side simultaneously, the fertilization depth is at 3 ~ 5cm, can effectively improve the fertilizer utilization ratio, reduce the fertilizer input, can also accomplish the flat field simultaneously, the millet collapses, other compound operations such as ditching, moreover, the steam generator is simple in structure, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural view of the rice side deep fertilizing and seeding machine of the utility model.

Fig. 2 is a left side view of the structure of fig. 1.

FIG. 3 is a schematic structural view of the arc-shaped land leveling scraper blade in the rice side deep fertilizing and seeding machine of the utility model.

Fig. 4 is an enlarged schematic structural view of the second jaw-type connecting mechanism and the second spring in the rice side deep fertilizing and seeding machine of the utility model when connected.

FIG. 5 is an enlarged schematic structural view of the first main air pipe in the rice side deep fertilizing and seeding machine communicated with the fertilizing groove through the first branch air pipe.

In the figure: 1. a frame, 2, a middle sowing box, 3, a left sowing box, 4, a right sowing box, 5, a middle fertilizing box, 6, a left fertilizing box, 7, a right fertilizing box, 8, a left folding cylinder, 9, a right folding cylinder, 81, a left piston rod, 91, a right piston rod, 10, a bracket, 11, a front supporting wheel, 12, a land wheel bracket, 13, a land wheel, 14, an arc-shaped flat field scraper, 15, a middle furrow opener, 16, a side furrow opener, 17, a sowing furrow opener, 18, a hinge, 181, a pontoon, 19, a fertilizing furrow opener, 20, a grain treading device, 21, a pedal, 22, a sowing box body, 23, a seed sowing device, 24, a seed sowing groove, 25, a fertilizing box body, 26, a fertilizer discharger, 27, a fertilizer discharging groove, 28, a first fertilizer discharging transmission shaft, 29, a first main air pipe, 30, a first air branch pipe, 31, a second tooth-embedded connecting mechanism, 32, a second spring, 33 and a second fertilizer discharging transmission shaft, 34. the air conditioner comprises a first connecting hose 35, a second main air pipe 36, a fan 37, a transmission mechanism 38, a second connecting hose 39, a pin shaft 40, a vertical guide rod 41, a buffer spring 42 and a side baffle.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in fig. 1, 2, 3, 4 and 5, the rice side deep fertilizing and seeding machine comprises: the multifunctional seeder comprises a rack 1, wherein a middle sowing box 2 is arranged at the lower end of the rack 1, a left sowing box 3 and a right sowing box 4 are symmetrically arranged on two sides of the middle sowing box 2 through first connecting bolts, a middle fertilizing box 5 connected with the middle sowing box 2 into a whole is arranged at the front end of the middle sowing box 2, a left fertilizing box 6 and a right fertilizing box 7 are symmetrically arranged on two sides of the middle fertilizing box 5 through second connecting bolts, the left fertilizing box 6 is connected with the left sowing box 3 into a whole, the right fertilizing box 7 is connected with the right sowing box 4 into a whole, a left folding oil cylinder 8 and a right folding oil cylinder 9 are symmetrically arranged on two sides of the upper end of the rack 1, a left piston rod 81 of the left folding oil cylinder 8 is connected with the upper end of the left sowing box 3, a right piston rod 91 of the right folding oil cylinder 9 is connected with the upper end of the right sowing box 4, and the left sowing box, The front end of the right seeding box 4 is provided with a pair of front supporting wheels 11 through a bracket 10, the rear end of the frame 1 is provided with a pair of land wheels 13 through a land wheel bracket 12, the lower ends of the middle seeding box 2, the left seeding box 3 and the right seeding box 4 are respectively and fixedly provided with an arc-shaped field flattening scraper 14, the arc-shaped field flattening scraper 14 at the lower end of the middle seeding box 2 is fixedly provided with a pair of middle ditchers 15, the arc-shaped field flattening scraper 14 at the lower ends of the left seeding box 3 and the right seeding box 4 is fixedly provided with a pair of side ditchers 16, the lower ends of the arc-shaped field flattening scraper 14 are respectively and uniformly provided with a plurality of seeding furrowing devices 17, the lower ends of the middle fertilizing box 5, the left fertilizing box 6 and the right fertilizing box 7 are respectively and movably provided with a floating pontoon 181 through hinges 18, the floating pontoon 181 is uniformly provided with a plurality of fertilizing furrowing devices 19, the seeding furrowing devices 17 and, the rear end of middle seeding case 2, left seeding case 3 and right seeding case 4 is provided with respectively and steps on millet device 20 and the footboard 21 that is connected with stepping on millet device 20, step on millet device 20 and sow to drag ditch ware 17 and fertilize and drag ditch ware 19 and mutually support, the structure of middle seeding case 2 includes: seeding box 22 the lower extreme of seeding box 22 evenly is provided with a plurality of and the seeding drags furrow 17 one-to-one's seed metering ware 23 the lower extreme of seed metering ware 23 is provided with seed metering groove 24 respectively the first kind transmission shaft of having concatenated in the seed metering ware 23, left side seeding case 3, right side seeding case 4 are the same with middle seeding case 2's structure, the first kind transmission shaft of middle seeding case 2 is connected with the second seed metering transmission shaft of left seeding case 3, right seeding case 4 through first tooth embedded coupling mechanism and first spring, second seed metering transmission shaft is connected with hand wheel regulation, middle fertilization case 5's structure includes: fertilization box 25 the lower extreme of fertilization box 25 evenly is provided with a plurality of fertilizer apparatus 26 that drag ditch ware 19 one-to-one with the fertilization the lower extreme of fertilizer apparatus 26 is provided with fertilizer groove 27 respectively the internal concatenation of fertilizer apparatus 26 has first fertilizer transmission shaft 28 be provided with first main trachea 29 on the fertilization box 25, first main trachea 29 communicates with fertilizer groove 27 each other through first trachea 30 respectively, a left side fertilization case 6, right fertilization case 7 and middle fertilization case 5's structure is the same, first fertilizer transmission shaft 28 in middle fertilization case 5 is connected with the second fertilizer transmission shaft 33 in left fertilization case 6, the right fertilization case 7 through second tooth embedded coupling mechanism 31 and second spring 32, the second fertilizer transmission shaft is connected with fertile volume adjusting hand wheel, first main trachea 29 on middle fertilization case 5 is connected with left fertilization case 6, right fertilization case 7 through first connecting hose 34, The second main air pipe 35 on the right fertilizing box 7 is connected, a fan 36 is arranged at the front end of the rack 1, an impeller shaft of the fan 36 is connected with a power shaft of a tractor through a transmission mechanism 37, an air inlet of the fan 36 is communicated with the outside, and an air outlet of the fan 36 is connected with the first main air pipe 29 on the middle fertilizing box 5 through a second connecting hose 38.

As shown in fig. 1 and 2, in this example, one end of the land wheel support 12 far from the land wheel 13 is movably connected to the frame 1 through a pin 39, a vertical guide rod 40 is disposed at the other end of the land wheel support 12 near the land wheel 13, the upper end of the vertical guide rod 40 is slidably disposed on the frame 1, a buffer spring 41 is disposed on the vertical guide rod 40 of the land wheel support 12 and the frame 1, one end of the buffer spring 41 abuts against the frame 1, and the other end of the buffer spring 41 abuts against the land wheel support 12.

As shown in fig. 1 and 2, in this embodiment, side dams 42 are provided on the sides of the floating pontoon 181 at the lower ends of the left and right

fertilizer application boxes

6 and 7, respectively.

During installation, a seat and a handle can be arranged on the middle sowing box 2, the left sowing box 3 and the right sowing box 4 respectively.

During the use, hang frame 1 on the tractor, left side folding hydro-cylinder 8 and right folding hydro-cylinder 9 are connected with the hydraulic system of tractor respectively, drive mechanism 37 is connected with the power shaft of tractor, because the width broad of rice side deep fertilizing seeder, can't pass through on general motor vehicle road, the field is turned also relatively difficultly, in order to guarantee to pass through and shift convenient, as shown in figure 1, 2, design into three monomer structure (middle seeding case 2, left seeding case 3 and right seeding case 4) with the seeding case of rice side deep fertilizing seeder and carry out the transverse connection through first connecting bolt, also design into three monomer structure (middle fertilizing case 5, left fertilizing case 6 and right fertilizing case 7) with the fertilizing case of rice side deep fertilizing seeder and carry out the transverse connection through the second connecting bolt.

The rice side deep fertilizing and seeding machine is folded and unfolded.

When the rice deep-fertilizing seeder is folded, as shown in fig. 1 and fig. 2, a hydraulic system of a tractor respectively drives a left piston rod 81 in a left folding oil cylinder 8 and a right piston rod 91 in a right folding oil cylinder 9 to contract inwards to a limit state, a left sowing box 3 and a right sowing box 4 are respectively folded to be vertical to a middle sowing box 2, as the middle fertilizing box 5 and the middle sowing box 2 are in an integral structure, a left fertilizing box 6 and the left sowing box 3 are in an integral structure, a right fertilizing box 7 and the right sowing box 4 are in an integral structure, the left fertilizing box 6 and the right fertilizing box 7 are also folded together to be vertical to the middle fertilizing box 5, and at the moment, the width of the rice deep-fertilizing seeder on the side enters a transportation state at the minimum; when unfolding, the hydraulic system of the tractor drives the left piston rod 81 in the left folding oil cylinder 8 and the right piston rod 91 in the right folding oil cylinder 9 to extend outwards to the limit state respectively, the left seeding box 3 and the right seeding box 4 extend to the horizontal state with the middle seeding box 2, the left fertilizing box 6 and the right fertilizing box 7 also extend to the horizontal state with the middle fertilizing box 5 together, and at the moment, the width of the rice side deep fertilizing seeder enters the transportation state to the maximum.

The rice side deep fertilizing seeder can simultaneously fertilize and sow.

When fertilizing, a plurality of fertilizing furrows are uniformly dug in the field by a plurality of fertilizing furrows dragged by the fertilizing furrows 19 on the floating pontoon 181, the depth of the fertilizing furrows is 3-5 cm, fertilizers in the fertilizing box 25 corresponding to the fertilizing furrows one by one are fed into the respective fertilizing furrows through the fertilizer feeders 26 and the fertilizer discharging grooves 27, a power shaft of a tractor drives an impeller shaft of a fan 36 to work through a transmission mechanism 37, external air is sucked by an air inlet of the fan 36 and is blown out into the fertilizer discharging grooves 27 through an air outlet, a second connecting hose 38, a first main air pipe 29 and a first branch air pipe 30 in sequence to prevent bonding, and the first main air pipe 29 also sends air into the second main air pipe from the first connecting hose 34 to operate the left fertilizing box 6 and the right fertilizing box 7; when sowing, a sowing furrow dragging device 17 on the arc-shaped field flattening scraper 14 uniformly digs a plurality of sowing furrows in the field, and rice seeds in the sowing box body 22, which correspond to the sowing furrows one by one, are sent into the respective sowing furrows through a seed sowing device 23 and a seed sowing groove 24; because the seeding ditch dragging devices 17 and the fertilizing ditch dragging devices 19 are alternately arranged, fertilizer application and rice seed sowing are alternately and synchronously carried out; the first seed discharging transmission shaft and the second seed discharging transmission shaft are connected with the first spring through the first jaw type connecting mechanism, and the first seeding transmission shaft and the second seeding transmission shaft can be adjusted through the seed quantity adjusting hand wheel, so that the seed discharging quantity of the rice seeds is adjusted; the first fertilizer discharging transmission shaft 28 and the second fertilizer discharging transmission shaft 33 are connected with the second spring 32 through the second jaw type connecting mechanism 31, and the first fertilizer discharging transmission shaft 28 and the second fertilizer discharging transmission shaft 33 can be adjusted through the fertilizer amount adjusting hand wheel, so that the fertilizer discharging amount of the fertilizer is adjusted; the millet device 20 of stepping on of frame 1 rear end behind fertilization and seeding can step on millet to fertilization ditch and seeding ditch, has both reached and has protected bud, prevent bird pest, prevent that the drought returns bud, fertilizer can't melt the purpose after the fertilization seeding, can resist certain rainwater impact again, improves the seedling rate.

As shown in figure 2, when the land wheel 13 meets uneven hard blocks in the field, the vertical guide rod 40 can be driven to move up and down through the land wheel support 12 and the pin shaft 39, the buffer spring 41 can buffer the land wheel support 12, the land wheel 13 is suspended by a single spring, the shock absorption effect is improved, and the damage of a machine caused by excessive jolt is prevented.

Above-mentioned rice side depth fertilizing and seeding machine, both sides can carry out the perpendicular folding when driving on the road, can carry out the level and extend when the field operation, can realize the broad width operation, between the seeding case, all adopt tooth to inlay formula coupling mechanism to connect between the fertilization case, the transmission is safe, reliability, the seeding volume, the rate of application all can be adjusted alone, the seeding, fertilization effect is good, seeding and fertilization can go on in turn in step, reduce the fertilization procedure behind one rice seeding, reduce operation cost 2.5 yuan/mu, high working efficiency, can reach synchronous seeding, fertilize 30 mu/h, the seeding is carried out the ditching fertilization in seed one side simultaneously, the depth of application is at 3 ~ 5cm, can effectively improve the fertilizer utilization ratio, reduce the fertilizer input, can also accomplish flat field simultaneously, the millet collapses, other compound operations such as ditching, moreover, the steam generator is simple in structure, high durability and convenient use.

Claims

1. The rice side deep fertilizing and seeding machine is characterized in that: the method comprises the following steps: the multifunctional seeder comprises a rack (1), wherein a middle sowing box (2) is arranged at the lower end of the rack (1), a left sowing box (3) and a right sowing box (4) are symmetrically arranged at two sides of the middle sowing box (2) through a first connecting bolt, a middle fertilizing box (5) connected with the middle sowing box into a whole is arranged at the front end of the middle sowing box (2), a left fertilizing box (6) and a right fertilizing box (7) are symmetrically arranged at two sides of the middle fertilizing box (5) through a second connecting bolt, the left fertilizing box (6) is connected with the left sowing box (3) into a whole, the right fertilizing box (7) is connected with the right sowing box (4) into a whole, a left folding oil cylinder (8) and a right folding oil cylinder (9) are symmetrically arranged at two sides of the upper end of the rack (1), a left piston rod (81) of the left folding oil cylinder (8) is connected with the upper end of the left sowing box (3), the right piston rod (91) of the right folding oil cylinder (9) is connected with the upper end of the right seeding box (4), and the front ends of the left seeding box (3) and the right seeding box (4) are arranged through a bracket (10)A pair of front supporting wheels (11) is arranged, a pair of land wheels (13) is arranged at the rear end of the frame (1) through a land wheel bracket (12), a pair of middle furrow openers (15) are fixedly arranged on the lower ends of the middle sowing box (2), the left sowing box (3) and the right sowing box (4) respectively, a pair of middle furrow openers (15) are fixedly arranged on the arc furrow openers (14) at the lower end of the middle sowing box (2), a pair of side furrow openers (16) are fixedly arranged on the arc furrow openers (14) at the lower ends of the left sowing box (3) and the right sowing box (4), a plurality of sowing furrow openers (17) are uniformly arranged at the lower ends of the arc furrow openers (14), floating boats (181) are movably arranged at the lower ends of the middle fertilizing box (5), the left fertilizing box (6) and the right fertilizing box (7) respectively through hinges (18), a plurality of fertilizing furrow openers (19) are uniformly arranged on the floating boats (181), the seeding and furrow dragging device (17) and the fertilizing and furrow dragging device (19) are alternately arranged, the rear ends of the middle seeding box (2), the left seeding box (3) and the right seeding box (4) are respectively provided with a grain stepping device (20) and a pedal (21) connected with the grain stepping device (20), and the grain stepping device (20) and the fertilizing and furrow dragging device (19) are respectively provided with a grain stepping device (20)SeedingThe seed sowing and furrow dragging device (17) and the fertilizer sowing and furrow dragging device (19) are mutually matched, and the structure of the middle sowing box (2) comprises: seeding box (22) the lower extreme of seeding box (22) evenly is provided with a plurality of seed metering wares (23) of dragging ditch ware (17) one-to-one with the seeding the lower extreme of seed metering ware (23) is provided with seed metering groove (24) respectively the concatenation has first kind of transmission shaft in seed metering ware (23), left side seeding case (3), right side seeding case (4) are the same with the structure of middle seeding case (2), first kind of transmission shaft in middle seeding case (2) is connected with the second seed metering transmission shaft in left seeding case (3), the right seeding case (4) through first dog formula coupling mechanism and first spring, the second seed metering transmission shaft is connected with volume of planting adjusting hand wheel, the structure of middle fertilization case (5) includes: a fertilizing box body (25), a plurality of fertilizer discharging devices (26) which are in one-to-one correspondence with the fertilizing ditch dragging devices (19) are evenly arranged at the lower end of the fertilizing box body (25), and the lower ends of the fertilizer discharging devices (26) are respectively provided withPut fertilizer groove (27) fertilizer apparatus (26) is interior to concatenate first fertilizer transmission shaft (28) fertilizer apparatus (28) be provided with first main trachea (29) on fertilization box (25), first main trachea (29) communicate with fertilizer groove (27) each other through first bronchus (30) respectively, left side fertilization case (6), right side fertilization case (7) and middle fertilization case (5) the structure is the same, first fertilizer transmission shaft (28) in middle fertilization case (5) are connected with second fertilizer transmission shaft (33) in left fertilization case (6), right fertilization case (7) through second tooth embedded type coupling mechanism (31) and second spring (32), the fertile transmission shaft of second is connected with fertilization volume adjustment hand wheel, first main trachea (29) on middle fertilization case (5) are through first connecting hose (34) and left fertilization case (6), A second main air pipe (35) on the right fertilizing box (7) is connected, a fan (36) is arranged at the front end of the rack (1), an impeller shaft of the fan (36) is connected with a power shaft of a tractor through a transmission mechanism (37), an air inlet of the fan (36) is communicated with the outside, and an air outlet of the fan (36) is connected with a first main air pipe (29) on the middle fertilizing box (5) through a second connecting hose (38).

2. The rice side deep fertilizing and seeding machine as claimed in claim 1, characterized in that: one end of the land wheel support (12) far away from the land wheel (13) is movably connected with the rack (1) through a pin shaft (39), the other end of the land wheel support (12) close to the land wheel (13) is provided with a vertical guide rod (40), the upper end of the vertical guide rod (40) is slidably arranged on the rack (1), a buffer spring (41) is arranged on the vertical guide rod (40) of the land wheel support (12) and the rack (1) support, one end of the buffer spring (41) is abutted to the rack (1), and the other end of the buffer spring (41) is abutted to the land wheel support (12).

3. The rice side deep fertilizing and seeding machine as claimed in claim 2, characterized in that: side baffles (42) are respectively arranged on the side surfaces of the floating boats (181) at the lower ends of the left fertilizing box (6) and the right fertilizing box (7).