CN112655349A

CN112655349A - Agricultural land fertilizing device

Info

Publication number: CN112655349A
Application number: CN202011536816.8A
Authority: CN
Inventors: 任珊珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-04-16

Abstract

The invention discloses an agricultural land fertilizing device, relates to the technical field of agricultural planting, and solves the problems that the existing fertilizing device is mainly pushed manually, is poor in power effect and does not have a human-driven function with driving performance. An agricultural land fertilizing device comprises a main frame; the main body of the main frame is of a U-shaped structure, and the bottom of the front side of the main frame is fixedly provided with a direction adjusting frame; the fixed medical kit that is provided with in middle bottom of body frame through being provided with carriage and dual rack, provides the function of marcing for fertilizer injection unit, can realize marcing fast in the field, and at the in-process that dual rack removed, dual rack can utilize interior ratchet gear to drive power shaft unidirectional rotation, and it is rotatory to further utilize the universal driving shaft to drive the moment of torsion axle, takes the more laborsaving rotatory fertilizer injection unit that drives the rear wheel of gear wheel to impel through the pinion.

Description

Agricultural land fertilizing device

Technical Field

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

Background

Agriculture is an industry for obtaining products by artificial cultivation by utilizing growth and development rules of animals and plants. Agriculture belongs to the first industry, and the science for researching agriculture is agriculture. The agricultural working object is living animals and plants, and the obtained products are the animals and plants. Agriculture is a fundamental industry for supporting national economic construction and development.

Through searching for example, patent No. CN107960185A discloses a fertilizer injection unit, especially relates to an agricultural land uniform fertilizer injection unit. The invention aims to provide an agricultural land uniform fertilizing device which is time-saving, labor-saving, uniform in fertilizing, free of fertilizing by people and high in working efficiency. In order to solve the technical problem, the invention provides an agricultural land uniform fertilizing device, which comprises a bottom plate, a shaft sleeve, a transmission shaft, wheels, a vertical plate, a cross rod, a hopper, a pipeline and the like; the middle of the bottom plate is provided with a discharge hole, the left side and the right side of the bottom plate are symmetrically provided with shaft sleeves, a transmission shaft is arranged between the left side and the right side of the shaft sleeves, the left side and the right side of the transmission shaft are provided with wheels, and the left side and the right side of the top of the bottom plate are symmetrically provided with vertical plates. According to the invention, the fertilizer can be uniformly scattered on the land through the dispersing device, and the fertilizer can be scattered on the land through the transmission device without electric energy, so that the effects of time and labor saving, uniform fertilization, no need of people for fertilization and high working efficiency are achieved.

For another example, patent No. CN106612666A discloses a soil fertilizing device for agricultural big data. The invention aims to provide a land fertilizing device for agricultural large data, which is simple to operate, more convenient to use and capable of uniformly mixing in the process of mixing land and fertilizer. In order to solve the technical problem, the invention provides a land fertilizing device for agricultural large data, which comprises a cart, an inclined plate, a cylinder, a mounting plate, wheels, a first driven wheel, a soil turning wheel, a first support rod, a second driven wheel, a soil loosening wheel, a box body, a first motor and the like; the cart is provided with a through hole, and the leftmost side and the rightmost side of the bottom of the cart are connected with a cylinder in a welding connection mode. According to the agricultural large-data land fertilizing device provided by the invention, the first motor rotates to drive the first driving wheel, the second driving wheel and the disc to rotate, so that the soil loosening wheel loosens soil on the land.

However, the fertilizer injection unit who uses at present mainly carries out through the manual work, and the power effect is not good, does not have the manpower drive function that has the driving nature, can not be fast continuous move the walking in the soil, fertilizes the inside of soil, and the inconvenient shape according to the field ridge directly pours into fertilizer into soil into, consequently, does not satisfy current demand, has proposed a soil fertilizer injection unit for agricultural to this.

Disclosure of Invention

Problem (A)

The invention aims to provide an agricultural land fertilizing device, and aims to solve the problems that the existing fertilizing device proposed in the background technology is mainly manually pushed, is poor in power effect, does not have a human-powered function with driving performance, cannot rapidly and continuously move and walk in the soil to fertilize the inside of the soil, and is inconvenient to directly inject fertilizer into the soil according to the shape of a ridge.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an agricultural land fertilizing device comprises a main frame; the main body of the main frame is of a U-shaped structure, and the bottom of the front side of the main frame is fixedly provided with a direction adjusting frame; a medicine box is fixedly arranged at the bottom of the middle of the main frame; the medicine chest also comprises a bottom frame, a sliding cylinder and a telescopic cylinder; two groups of bottom frames are integrally arranged at the rear side of the bottom of the medicine box, and a sliding cylinder and a telescopic cylinder are integrally arranged outside the bottom frames; a driven gear is rotatably arranged in the middle of the rear side of the medicine chest through a rotating shaft; two groups of piston cylinders are fixedly arranged at the two ends of the rear side of the medicine chest; the piston cylinder also comprises a piston rod; the adjacent surfaces of the piston cylinders are provided with piston rods in a sliding manner, one ends of the piston rods, which are positioned in the piston cylinders, are provided with pistons, and a strip-shaped frame is arranged between the two groups of piston rods and is fixedly connected with the piston rods; the rear side of the driven gear is eccentrically provided with a rotating block, and the rotating block is arranged in a strip-shaped frame in the middle of the piston rod in a sliding manner; the bottom of the rear side of the main frame is fixedly provided with a rear bracket; two sets of lifting frames are fixedly arranged in the middle of the top of the rear bracket.

Preferably, the main frame further comprises a steering shaft, a handle, a seat frame, a rear seat and a steering shaft; the middle of the top of the main frame is rotatably provided with a direction adjusting shaft, and the outer end of the rear side of the direction adjusting shaft is fixedly provided with a handle; a seat frame is fixedly arranged in the middle of the top of the main frame, and a rear seat is fixedly arranged at the rear end of the seat frame; the front end vertical rotation of body frame is provided with the steering spindle, and the top of steering spindle sets up bevel gear transmission with the front end of adjusting the steering spindle and is connected.

Preferably, the direction adjusting frame further comprises a direction adjusting wheel; two sides of the bottom of the direction adjusting frame are rotatably provided with two groups of direction adjusting wheels through bearings, and the outer sides of the tops of the direction adjusting wheels are provided with gears; a gear is fixedly arranged outside the bottom end of the steering shaft; two groups of auxiliary gears are arranged between the steering shaft and the steering wheel gear for meshing.

Preferably, the medicine chest further comprises a telescopic pipe, a guide post, a sliding block and a slotting post; the middle of the outer side of the sliding cylinder is provided with a guide post in a sliding way; a telescopic pipe is arranged in the middle of the outer side of the telescopic cylinder in a sliding manner, and sliding blocks are fixedly arranged at the outer ends of the telescopic pipe and the guide column; the outer side of the sliding block is rotatably provided with a slotted column through hinge connection, and the front side of the slotted column is of a conical structure; a corrugated pipe is arranged between the sliding block and the slotted column; the top of the bottom frame penetrates through the inside of the medicine box and is provided with two groups of U-shaped pipes, a passage is arranged in the slotted column and penetrates through the telescopic cylinder, and the telescopic pipe and the bottom frame are connected and communicated with the U-shaped pipes.

Preferably, the medicine chest further comprises a short screw rod, a hand rubbing shaft, a short connecting rod, a nut block A, a long connecting rod, a nut block B and a long screw rod; a short screw rod is rotatably arranged on one side of the sliding block, a hand rubbing shaft is rotatably arranged on the top of the sliding block, and a worm gear and a worm are arranged on the tops of the hand rubbing shaft and the short screw rod for transmission; the rear end of the slotted column is rotatably provided with a short connecting rod through a hinge, the other end of the short connecting rod is rotatably provided with a nut block A through a hinge, and the nut block A is slidably arranged on the inner side of the sliding block and is in threaded connection with the short lead screw; the outer ends of the rear sides of the guide columns are rotatably provided with long connecting rods through hinges, and the front ends of the two groups of long connecting rods are rotatably provided with nut blocks B through hinges; the bottom of the medicine chest is rotatably provided with a long lead screw, and the long lead screw is in threaded connection with the nut block B.

Preferably, the piston cylinder further comprises a one-way valve, a converging pipe and a valve; the outer side of the piston cylinder is respectively provided with two groups of one-way valves through tee joints, the directions of the two groups of one-way valves on the same side are opposite, and the outside of the one-way valve in the discharge direction is connected with a converging pipe; the top of the gathering pipe is provided with two groups of valves through a tee joint, and the other end of one group of valves is provided with a pipeline communicated with the inner connection of the medicine chest.

Preferably, the rear bracket further comprises a rear wheel and a torque shaft; the rear ends of the two sides of the rear bracket extend backwards and are rotatably provided with rear wheels; a torque shaft is rotatably arranged in the middle of the extending part of the rear bracket; and two ends of the torque shaft are in transmission connection with the rear wheels through gears.

Preferably, the lifting frame further comprises a sliding frame, an outer seat, a pedal plate, a double rack, a transmission frame, a linkage shaft, a power shaft, an inner ratchet gear and a synchronizing shaft; sliding frames are arranged on two sides of the lifting frame in a sliding mode through sliding grooves, a cylindrical shaft is integrally arranged in the middle of the outer side of each sliding frame, an outer seat is fixedly arranged at the outer end of the cylindrical shaft, and the outer seat is arranged inside the rear side of the main frame in a sliding mode through guide rails; a pedal is rotatably arranged at the outer end of the cylindrical shaft of the sliding frame; the inner side of the sliding frame is fixedly provided with a double rack; the middle of the two groups of lifting frames is rotatably provided with a synchronous gear through a synchronous shaft, and the front sides of the two groups of double racks are asynchronously staggered through the synchronous gear; the front end of the synchronizing shaft is rotatably arranged at the rear side of the medicine chest and is provided with a gear in transmission connection with the driven gear; a transmission frame is fixedly arranged in the middle of the rear side of the lifting frame, a linkage shaft is rotatably arranged on the rear side of the transmission frame, and the bottom end of the linkage shaft is in transmission connection with a bevel gear arranged on the torque shaft; a power shaft is rotationally arranged in the transmission frame, two groups of inner ratchet gears are fixedly arranged outside the power shaft, and the rotating directions of the two groups of inner ratchet gears are opposite; the power shaft and the linkage shaft are in transmission connection through bevel gears.

(III) advantageous effects

The invention provides an agricultural land fertilizing device, which is provided with a sliding frame and a double rack, provides a traveling function for the fertilizing device, and can realize rapid traveling in the field.

Secondly, can drive the synchronizing shaft rotatory simultaneously at the in-process that dual rack removed, the synchronizing shaft passes through the gear and drives driven gear rotatory, and driven gear reciprocating rotation drives the piston rod simultaneously and continues reciprocating motion, inhales external air in the convergent pipe, arranges into the batch pan in, fertilizes for the soil in arranging the liquid medicine into the slotted column.

Moreover, the slotted column can be subjected to angle adjustment through the short lead screw and the nut block A, the unfolding angle of the slotted column can be adjusted, the slotted column can be suitable for different types of fields to rapidly fertilize different crops, and the fertilization efficiency is greatly improved; and the setting of long lead screw and long connecting rod can adjust the width of guide post to carry out the quick adjustment adaptation according to the interval of ridge.

Drawings

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

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic side-bottom view of an embodiment of the present invention;

fig. 4 is a schematic perspective view of a medicine box in an embodiment of the present invention;

FIG. 5 is a rear side schematic view of a medicine box in an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a lifting frame according to an embodiment of the present invention;

FIG. 7 is a schematic side-view structure of the lifting frame of the embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a main frame; 101. adjusting a direction shaft; 102. a grip; 103. a seat frame; 104. a rear seat; 105. a steering shaft; 2. a direction adjusting frame; 201. a direction adjusting wheel; 3. a medicine chest; 301. a chassis; 302. a sliding cylinder; 303. a telescopic cylinder; 304. a telescopic pipe; 305. a guide post; 306. a slider; 307. a short lead screw; 308. rubbing the shaft by hand; 309. grooving columns; 310. a short connecting rod; 311. a nut block A; 312. a long connecting rod; 313. a nut block B; 314. a long lead screw; 4. a driven gear; 5. a piston cylinder; 501. a piston rod; 502. a one-way valve; 503. a converging tube; 504. a valve; 6. a rear bracket; 601. a rear wheel; 602. a torque shaft; 7. a hoisting frame; 701. a carriage; 702. an outer seat; 703. a foot pedal; 704. a double rack; 705. a transmission frame; 706. a linkage shaft; 707. a power shaft; 708. an inner ratchet gear; 709. and a synchronizing shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: an agricultural land fertilizing device comprises a main frame 1; wherein, the main frame 1 also comprises a direction adjusting shaft 101, a handle 102, a seat frame 103, a rear seat 104 and a steering shaft 105; a direction adjusting shaft 101 is rotatably arranged in the middle of the top of the main frame 1, and a handle 102 is fixedly arranged at the outer end of the rear side of the direction adjusting shaft 101; a seat frame 103 is fixedly arranged in the middle of the top of the main frame 1, and a rear seat 104 is fixedly arranged at the rear end of the seat frame 103; the front end of the main frame 1 is vertically and rotatably provided with a steering shaft 105, and the top of the steering shaft 105 is in transmission connection with the bevel gear arranged at the front end of the steering shaft 101; the main body of the main frame 1 is of a U-shaped structure, and the bottom of the front side of the main frame 1 is fixedly provided with a direction adjusting frame 2; wherein, the direction-adjusting frame 2 also comprises a direction-adjusting wheel 201; two groups of direction adjusting wheels 201 are rotatably arranged on two sides of the bottom of the direction adjusting frame 2 through bearings, and gears are arranged on the outer sides of the tops of the direction adjusting wheels 201; a gear is fixedly arranged outside the bottom end of the steering shaft 105; two groups of auxiliary gears are meshed between the steering shaft 105 and the steering wheel 201; a medicine box 3 is fixedly arranged at the bottom of the middle part of the main frame 1; the medicine box 3 further includes a chassis 301, a slide cylinder 302, and a telescopic cylinder 303; two groups of underframe 301 are integrally arranged at the rear side of the bottom of the medicine box 3, and a sliding cylinder 302 and a telescopic cylinder 303 are integrally arranged outside the underframe 301; the medicine chest 3 further comprises a telescopic pipe 304, a guide post 305, a slide block 306 and a slotted post 309; a guide post 305 is arranged in the middle of the outer side of the sliding cylinder 302 in a sliding manner; a telescopic pipe 304 is arranged in the middle of the outer side of the telescopic cylinder 303 in a sliding manner, and a sliding block 306 is fixedly arranged at the outer ends of the telescopic pipe 304 and the guide column 305; the outer side of the sliding block 306 is rotatably provided with a slotted column 309 through hinge connection, and the front side of the slotted column 309 is of a conical structure; a corrugated pipe is arranged between the sliding block 306 and the slotted column 309; the top of the underframe 301 penetrates through the inside of the medicine box 3 and is provided with two groups of U-shaped pipes, a passage is arranged in the slotted column 309 and penetrates through the telescopic cylinder 303, and the telescopic pipe 304 and the underframe 301 are communicated with the U-shaped pipes; the medicine box 3 further comprises a short screw 307, a hand rubbing shaft 308, a short connecting rod 310, a nut block A311, a long connecting rod 312, a nut block B313 and a long lead screw 314; a short screw 307 is rotatably arranged on one side of the sliding block 306, a hand rubbing shaft 308 is rotatably arranged on the top of the sliding block 306, and worm and gear transmission is arranged between the hand rubbing shaft 308 and the top of the short screw 307; the rear end of the slotted column 309 is rotatably provided with a short connecting rod 310 through a hinge, the other end of the short connecting rod 310 is rotatably provided with a nut block A311 through a hinge, and the nut block A311 is slidably arranged on the inner side of the sliding block 306 and is in threaded connection with the short screw rod 307; the outer end of the rear side of the guide post 305 is rotatably provided with long connecting rods 312 through hinge connection, and the front ends of the two groups of long connecting rods 312 are rotatably provided with a nut block B313 through hinge connection; the bottom of the medicine box 3 is rotatably provided with a long lead screw 314, and the long lead screw 314 is in threaded connection with a nut block B313; a driven gear 4 is rotatably arranged in the middle of the rear side of the medicine chest 3 through a rotating shaft; two groups of piston cylinders 5 are fixedly arranged at the two ends of the rear side of the medicine chest 3; the piston cylinder 5 further comprises a piston rod 501; the adjacent surfaces of the piston cylinder 5 are provided with piston rods 501 in a sliding manner, one end of each piston rod 501 positioned in the piston cylinder 5 is provided with a piston, and the middle of each two groups of piston rods 501 is provided with a strip-shaped frame for fixed connection; a rotating block is eccentrically arranged at the rear side of the driven gear 4 and is arranged in a strip-shaped frame in the middle of the piston rod 501 in a sliding manner; the piston cylinder 5 further comprises a one-way valve 502, a converging pipe 503 and a valve 504; the outer side of the piston cylinder 5 is respectively provided with two groups of one-way valves 502 through tee joints, the directions of the two groups of one-way valves 502 on the same side are opposite, and the outside of the one-way valve 502 in the discharge direction is provided with a converging pipe 503 in a connecting way; the top of the converging pipe 503 is provided with two groups of valves 504 through a tee joint connection, wherein the other end of one group of valves 504 is provided with a pipeline communicated with the inside of the medicine chest 3; the bottom of the rear side of the main frame 1 is fixedly provided with a rear bracket 6; two sets of lifting frames 7 are fixedly arranged in the middle of the top of the rear bracket 6.

Wherein, the rear bracket 6 also comprises a rear wheel 601 and a torque shaft 602; the rear ends of the two sides of the rear bracket 6 extend backwards and are rotatably provided with rear wheels 601; a torque shaft 602 is rotatably arranged in the middle of the extending part of the rear bracket 6; the two ends of the torque shaft 602 are geared between the rear wheels 601.

The lifting frame 7 further comprises a sliding frame 701, an outer seat 702, a pedal 703, a double rack 704, a transmission frame 705, a linkage shaft 706, a power shaft 707, an inner ratchet gear 708 and a synchronizing shaft 709; sliding frames 701 are arranged on two sides of the lifting frame 7 in a sliding mode through sliding grooves, a cylindrical shaft is integrally arranged in the middle of the outer side of each sliding frame 701, an outer seat 702 is fixedly arranged at the outer end of the cylindrical shaft, and the outer seat 702 is arranged inside the rear side of the main frame 1 in a sliding mode through guide rails; a pedal 703 is rotatably arranged at the outer end of a cylindrical shaft of the sliding frame 701; a double rack 704 is fixedly arranged on the inner side of the sliding frame 701; the middle of the two groups of lifting frames 7 is rotatably provided with a synchronous gear through a synchronous shaft 709, and the front sides of the two groups of double racks 704 are asynchronously staggered through the synchronous gear; the front end of the synchronous shaft 709 is rotatably arranged at the rear side of the medicine chest 3 and is provided with a gear which is in transmission connection with the driven gear 4; a transmission frame 705 is fixedly arranged in the middle of the rear side of the lifting frame 7, a linkage shaft 706 is rotatably arranged on the rear side of the transmission frame 705, and the bottom end of the linkage shaft 706 is in bevel gear transmission connection with the torque shaft 602; a power shaft 707 is rotationally arranged in the transmission frame 705, two groups of inner ratchet gears 708 are fixedly arranged outside the power shaft 707, and the rotation directions of the two groups of inner ratchet gears 708 are opposite; the power shaft 707 and the linkage shaft 706 are provided with bevel gear transmission connection.

The working principle is as follows: when in use, two groups of bottom frames 301 are integrally arranged at the rear side of the bottom of the medicine box 3, a sliding cylinder 302 and a telescopic cylinder 303 are integrally arranged outside the bottom frame 301, a guide post 305 is slidably arranged in the middle of the outer side of the sliding cylinder 302, a telescopic pipe 304 is slidably arranged in the middle of the outer side of the telescopic cylinder 303, a slide block 306 is fixedly arranged at the outer ends of the telescopic pipe 304 and the guide post 305, a slotted post 309 is rotatably arranged at the outer side of the slide block 306 through a hinge, a corrugated pipe is arranged between the slide block 306 and the slotted post 309, two groups of U-shaped pipes are arranged by penetrating the top of the bottom frame 301 through the medicine box 3, a passage is ensured to be arranged in the slotted post 309 and penetrate through the telescopic cylinder 303, the telescopic pipe 304 and the bottom frame 301 are connected and communicated with the U-shaped pipe, a short lead screw 307 is rotatably arranged at one side of the slide block 306, a hand rubbing shaft 308 is rotatably arranged at the top of the slide block 306, a nut block a311 is rotatably provided at the other end of the short link 310 by hinge connection, the nut block a311 is slidably provided inside the slider 306 and is screwed with the short lead screw 307, a long link 312 is rotatably provided at the outer end of the rear side of the guide column 305 by hinge connection, a nut block B313 is rotatably provided at the front ends of the two groups of long links 312 by hinge connection, a long lead screw 314 is rotatably provided at the bottom of the medicine box 3, the long lead screw 314 is screwed with the nut block B313, a driven gear 4 is rotatably provided at the middle of the rear side of the medicine box 3 by a rotating shaft, waste liquid is injected into the medicine box 3, and then the apparatus is moved to the middle of the two groups of ridges; the hand rubbing shaft 308 is rotated, the hand rubbing shaft 308 drives the short screw 307 to rotate through a worm gear and worm transmission belt, the short screw 307 drives the nut block A311 to lift through a thread, the nut block A311 props open the grooved column 309 through the short connecting rod 310, and the grooved column 309 is inserted into the position on one side of the ridge; the extension degree of the guide column 305 can be further adjusted by rotating the long lead screw 314 through the nut block B313 and matching the long connecting rod 312; sitting on the rear seat 104, two feet continuously step on the pedal 703, the pedal 703 drives the sliding frame 701 to move up and down, the sliding frame 701 drives the double rack 704 to move, the double rack 704 drives the inner ratchet gear 708 to rotate, the inner ratchet gear 708 drives the power shaft 707 to rotate, the power shaft 707 drives the linkage shaft 706 to rotate, the linkage shaft 706 drives the torque shaft 602 to rotate, and the torque shaft 602 drives the rear wheel 601 to rotate through the gear to enable the device to move forward.

A double rack 704 is fixedly arranged on the inner side of the sliding frame 701; a synchronous gear is rotatably arranged between the two groups of lifting frames 7 through a synchronous shaft 709; the front end of the synchronous shaft 709 is rotatably arranged at the rear side of the medicine chest 3 and is provided with a gear which is in transmission connection with the driven gear 4; the synchronous shaft 709 is driven to rotate in the moving process of the double rack 704, the synchronous shaft 709 drives the driven gear 4 to rotate through the gear, the driven gear 4 drives the piston rod 501 to continuously reciprocate, external air is sucked into the piston cylinder 5 when the piston rod 501 moves, the piston rod enters the medicine chest 3 through the converging pipe 503 to pressurize and discharge medicine liquid into the slotted column 309, and the medicine liquid is discharged into the ridges at the bottom of the slotted column 309.

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

Claims

1. The utility model provides an agricultural is with soil fertilizer injection unit which characterized in that: comprises a main frame (1); the main body of the main frame (1) is of a U-shaped structure, and the bottom of the front side of the main frame (1) is fixedly provided with a direction adjusting frame (2); a medicine box (3) is fixedly arranged at the bottom of the middle part of the main frame (1); the medicine box (3) further comprises a bottom frame (301), a sliding cylinder (302) and a telescopic cylinder (303); two groups of underframe (301) are integrally arranged at the rear side of the bottom of the medicine box (3), and a sliding cylinder (302) and a telescopic cylinder (303) are integrally arranged outside the underframe (301); a driven gear (4) is rotatably arranged in the middle of the rear side of the medicine box (3) through a rotating shaft; two groups of piston cylinders (5) are fixedly arranged at the two ends of the rear side of the medicine chest (3); the piston cylinder (5) further comprises a piston rod (501); a piston rod (501) is arranged in the adjacent surface of the piston cylinder (5) in a sliding manner, a piston is arranged at one end of the piston rod (501) positioned in the piston cylinder (5), and a strip-shaped frame is arranged between the two groups of piston rods (501) for fixed connection; the rear side of the driven gear (4) is eccentrically provided with a rotating block, and the rotating block is arranged in a strip-shaped frame in the middle of the piston rod (501) in a sliding manner; a rear bracket (6) is fixedly arranged at the bottom of the rear side of the main frame (1); two groups of lifting frames (7) are fixedly arranged in the middle of the top of the rear bracket (6).

2. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the main frame (1) also comprises a direction adjusting shaft (101), a grip (102), a seat frame (103), a rear seat (104) and a steering shaft (105); a direction-adjusting shaft (101) is rotatably arranged in the middle of the top of the main frame (1), and a handle (102) is fixedly arranged at the outer end of the rear side of the direction-adjusting shaft (101); a seat frame (103) is fixedly arranged in the middle of the top of the main frame (1), and a rear seat (104) is fixedly arranged at the rear end of the seat frame (103); the front end of the main frame (1) is vertically and rotatably provided with a steering shaft (105), and the top of the steering shaft (105) is in transmission connection with the front end of the steering shaft (101) through a bevel gear.

3. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the direction adjusting frame (2) also comprises a direction adjusting wheel (201); two sides of the bottom of the direction adjusting frame (2) are rotatably provided with two groups of direction adjusting wheels (201) through bearings, and the outer sides of the tops of the direction adjusting wheels (201) are provided with gears; a gear is fixedly arranged outside the bottom end of the steering shaft (105); two sets of auxiliary gears are arranged between the steering shaft (105) and the steering wheel (201) and meshed with each other.

4. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the medicine chest (3) further comprises a telescopic pipe (304), a guide column (305), a sliding block (306) and a slotted column (309); a guide post (305) is arranged in the middle of the outer side of the sliding cylinder (302) in a sliding manner; a telescopic pipe (304) is arranged in the middle of the outer side of the telescopic cylinder (303) in a sliding manner, and a sliding block (306) is fixedly arranged at the outer ends of the telescopic pipe (304) and the guide column (305); the outer side of the sliding block (306) is rotatably provided with a slotted column (309) through hinged connection, and the front side of the slotted column (309) is of a conical structure; a corrugated pipe is arranged between the sliding block (306) and the slotted column (309); two groups of U-shaped pipes are arranged at the top of the bottom frame (301) through the inside of the medicine chest (3), a passage is arranged in the slotted column (309) and penetrates through the telescopic cylinder (303), and the telescopic pipe (304) is communicated with the bottom frame (301) through connection with the U-shaped pipes.

5. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the medicine chest (3) also comprises a short lead screw (307), a hand rubbing shaft (308), a short connecting rod (310), a nut block A (311), a long connecting rod (312), a nut block B (313) and a long lead screw (314); one side of the sliding block (306) is rotatably provided with a short screw rod (307), the top of the sliding block (306) is rotatably provided with a hand rubbing shaft (308), and the top of the hand rubbing shaft (308) and the short screw rod (307) are provided with a worm gear for transmission; the rear end of the slotted column (309) is rotatably provided with a short connecting rod (310) through a hinge, the other end of the short connecting rod (310) is rotatably provided with a nut block A (311) through a hinge, and the nut block A (311) is slidably arranged on the inner side of the sliding block (306) and is in threaded connection with a short lead screw (307); the outer end of the rear side of the guide post (305) is rotatably provided with long connecting rods (312) through a hinge, and the front ends of the two groups of long connecting rods (312) are rotatably provided with nut blocks B (313) through hinges; the bottom of the medicine box (3) is rotatably provided with a long lead screw (314), and the long lead screw (314) is in threaded connection with a nut block B (313).

6. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the piston cylinder (5) further comprises a one-way valve (502), a converging pipe (503) and a valve (504); the outer side of the piston cylinder (5) is respectively provided with two groups of one-way valves (502) through tee joints, the directions of the two groups of one-way valves (502) on the same side are opposite, and the outer part of the one-way valve (502) in the discharge direction is provided with a converging pipe (503) in a connecting way; the top of the converging pipe (503) is provided with two groups of valves (504) through a tee joint, wherein the other end of one group of valves (504) is provided with a pipeline communicated with the inner connection of the medicine chest (3).

7. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the rear bracket (6) also comprises a rear wheel (601) and a torque shaft (602); the rear ends of the two sides of the rear bracket (6) extend backwards and are rotatably provided with rear wheels (601); a torque shaft (602) is rotatably arranged in the middle of the extending part of the rear bracket (6); two ends of the torque shaft (602) are in gear transmission connection with the rear wheels (601).

8. An agricultural land fertilizing apparatus as claimed in claim 1, wherein: the lifting frame (7) further comprises a sliding frame (701), an outer seat (702), a pedal (703), a double rack (704), a transmission frame (705), a linkage shaft (706), a power shaft (707), an inner ratchet gear (708) and a synchronizing shaft (709); sliding frames (701) are arranged on two sides of the lifting frame (7) in a sliding mode through sliding grooves, a cylindrical shaft is integrally arranged in the middle of the outer side of each sliding frame (701), an outer seat (702) is fixedly arranged at the outer end of the cylindrical shaft, and the outer seat (702) is arranged inside the rear side of the main frame (1) in a sliding mode through guide rails; a pedal (703) is rotatably arranged at the outer end of the cylindrical shaft of the sliding frame (701); a double rack (704) is fixedly arranged on the inner side of the sliding frame (701); the middle of the two groups of lifting frames (7) is rotatably provided with a synchronous gear through a synchronous shaft (709), and the front sides of the two groups of double racks (704) are asynchronously staggered through the synchronous gear; the front end of the synchronous shaft (709) is rotatably arranged at the rear side of the medicine chest (3) and is provided with a gear which is in transmission connection with the driven gear (4); a transmission frame (705) is fixedly arranged in the middle of the rear side of the lifting frame (7), a linkage shaft (706) is rotatably arranged at the rear side of the transmission frame (705), and the bottom end of the linkage shaft (706) is in transmission connection with a torque shaft (602) through a bevel gear; a power shaft (707) is rotationally arranged in the transmission frame (705), two groups of inner ratchet gears (708) are fixedly arranged outside the power shaft (707), and the rotating directions of the two groups of inner ratchet gears (708) are opposite; the power shaft (707) and the linkage shaft (706) are in bevel gear transmission connection.