CN112889437A

CN112889437A - Farmland covering type fertilizing method

Info

Publication number: CN112889437A
Application number: CN202110094840.9A
Authority: CN
Inventors: 陈健业
Original assignee: Lu'an Tianyuan Gallery Ecological Agriculture Co ltd
Current assignee: Lu'an Tianyuan Gallery Ecological Agriculture Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-06-04

Abstract

The invention discloses a farmland covering type fertilizing method, which comprises the following steps: firstly according to the farmland width, assemble into one row with a plurality of wheelset mechanisms to with fertilizer barrelling, start gear motor drive link gear and take the fertilizer bucket to move ahead along the length direction in farmland in step, and drive the drive mechanism operation, and then order about the flight rotation, thereby fertilizer climbs to spilling the material pipe and divides the material pipe along its top surface, outwards throws out because of the centrifugal force is umbelliform, through the fender piece restriction of different thickness, and evenly spills on the farmland around the fertilizer bucket. According to the invention, the fertilizing plate vehicle drives the wheel set mechanisms to support the fertilizer barrels to run on the farmland, wherein the wheel set mechanisms can adjust the wheel frame spacing according to the width of the farmland, so that the fertilization can be completed only by running on the farmland along the long edge of the farmland once, the fertilization is automatic, the rapid and paved fertilization is facilitated, and the fertilizing plate vehicle has practical value.

Description

Farmland covering type fertilizing method

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a farmland covering type fertilizing method.

Background

Before sowing, the farmland needs to be fertilized to improve the nutrient content of the soil so as to obtain sufficient nutrition after the crops are sowed. When the existing individual farmer is fertilizing, the fertilizer is often scattered by manpower, the scattering is uneven, the time and the labor are wasted, in addition, the fertilizer scattering range of the existing fertilizing farm tool is limited, the farmland needs to be scattered repeatedly, the time and the labor are wasted, the price of the fertilizing farm tool is high, and the popularization is inconvenient.

Disclosure of Invention

The invention aims to provide a farmland covering type fertilizing method to solve the problems in the background technology.

In order to realize the purpose, the invention provides a farmland covering type fertilizing method, which comprises the following steps:

firstly, a farmland fertilization preparation stage:

s1, determining the assembly number of a plurality of wheel set mechanisms in the farmland covering type fertilizer applying device according to the width of a farmland;

s2, lifting the locking block upwards, and stretching the secondary sleeve and the extension pipe until the positioning groove and the fixing groove are in clamping fit with the locking block close to the positioning groove and the fixing groove;

s3, screwing the compression columns to tightly press the extension pipes inserted at the two sides of the wheel frame;

s4, sleeving and fixing the connecting rod and the square pipe, inserting the square pipe and the corresponding inserting rod, and sleeving a pressing sleeve;

s5, pouring fertilizer into a plurality of fertilizer barrels, starting the speed reduction motor to drive the linkage mechanism to rotate, driving the rubber wheels to roll in the farmland, and further pushing the wheel set mechanism to drive the fertilizer barrels to move forwards synchronously along the length direction of the farmland;

the farmland covering type fertilizing device comprises a fertilizing plate vehicle for providing driving force and a plurality of wheel set mechanisms with variable axle distance, which are arranged at the front end of the fertilizing plate vehicle, wherein the fertilizing plate vehicle is provided with a speed reducing motor for driving the fertilizing plate vehicle to move and a storage battery for providing electric power, wheel forks and rubber wheels which are rotatably connected inside the wheel forks are symmetrically fixed on the bottom surface of the rear end of the fertilizing plate vehicle, a linkage mechanism for transmitting the torque force of the speed reducing motor to the rubber wheels is arranged between the wheel forks, and each wheel set mechanism comprises a main sleeve supported below the front end of the fertilizing plate vehicle, the wheel frame is characterized in that a secondary sleeve and an extension pipe are sequentially coaxially sleeved from outside to inside at two ends of the main sleeve, the wheel frame is sleeved at the outer end of the extension pipe, locking blocks for respectively controlling the secondary sleeve and the extension pipe to be locked are respectively installed at the outer ends of the main sleeve and the secondary sleeve, a plurality of wheel hubs in an arc structure are arranged on the inner side of the wheel frame at equal intervals, and the centers of the wheel hubs are connected with compression columns for compressing the extension pipe;

secondly, covering type fertilization stage of farmland:

s6, when the fertilizer barrel moves along the length direction of the farmland, the synchronous rotation of the conical gear ring and the wheel frame drives the auxiliary conical gear to rotate, then the supporting column sleeved with the auxiliary conical gear is driven to rotate, and the driving gear drives the transmission gear to rotate, so that the transmission shaft is driven to rotate rapidly;

s7, the spiral plate synchronously rotates along with the transmission shaft to drive the fertilizer to climb to the material spreading pipe and the material distributing pipe along the top surface of the spiral plate, and the fertilizer is outwards thrown out in an umbrella shape under the action of centrifugal force and limited by material blocking plates with different thicknesses, and the thrown fertilizer is uniformly spread to farmlands around fertilizer barrels;

the interval is provided with the fertilizer bucket that is used for splendid attire fertilizer and can outwards spill on the wheelset mechanism, be provided with rotatable material roller that spills on the inside axis line of fertilizer bucket, it is used for promoting fertilizer to the flight on fertilizer bucket top to spill the outside spiral of material roller, the top port department of flight is fixed with along its tangential direction and spills the material pipe, it has the branch material pipe towards spilling material roller one side intercommunication to spill the material pipe, it is opposite setting with the opening orientation that spills the material pipe to divide the material pipe, divide the material pipe to bond with the opening part that spills the material pipe and have a plurality of fender tablets that one row of thickness thins gradually, install the drive mechanism who is used for transmitting the revolving force of wheel frame to spilling on the material roller under the fertilizer bucket, be connected with between two adjacent fertilizer buckets and be used for keeping its.

As a further improvement of the technical scheme, a clamping pipe piece clamped with the main sleeve is fixedly arranged on the bottom surface of the front end of the fertilizing plate wagon along the edge direction of the bottom surface, the clamping pipe piece is of an inverted U-shaped structure, the length of the vertical section of the clamping pipe piece is larger than the radius of the main sleeve, a through hole is formed in the top surface of the fertilizing plate wagon, and a push handle is fixedly arranged on the top surface of the rear end of the fertilizing plate wagon.

As a further improvement of the technical scheme, the linkage mechanism comprises a linkage shaft coaxially connected with the rubber wheel, a worm wheel sleeved in the middle of the linkage shaft, and a worm suspended above the worm wheel and meshed with the worm wheel, wherein an annular limiting groove is formed in the outer side of the front end of the worm close to the worm wheel, an annular groove is formed in the outer side of an output shaft of the speed reducing motor, and a transmission belt in a tightening state is sleeved between the limiting groove and the annular groove.

As a further improvement of the technical scheme, a ring sleeved with the secondary sleeve is fixed on the inner side of the outer port of the main sleeve, a ring sleeved with the extension pipe is fixed on the inner side of the outer port of the secondary sleeve, the outer diameter of the section of the secondary sleeve arranged in the main sleeve is equal to the inner diameter of the main sleeve, and the outer diameter of the section of the extension pipe arranged in the secondary sleeve is equal to the inner diameter of the secondary sleeve.

As a further improvement of the technical scheme, the top of the outer port of the secondary sleeve is provided with a positioning block connected with the lock block positioned at the outer end of the main sleeve in a clamped mode, the top of the outer port of the extension tube is provided with a fixing block connected with the lock block positioned at the outer end of the secondary sleeve in a clamped mode, the top of the inner port of the secondary sleeve is provided with a positioning groove connected with the lock block positioned at the outer end of the main sleeve in a clamped mode, and the top of the inner port of the extension tube is provided with a fixing groove connected with the.

As the further improvement of this technical scheme, it is a plurality of wheel hub's intersection inlays and is equipped with the ring, and the ring center be equipped with the wheel frame with the shaft hole in the centre of a circle, the through-hole has radially been seted up to one side in shaft hole, compression leg and through-hole threaded connection, the recess of pegging graft with the fixed block is seted up to one side in shaft hole, wheel hub's both ends and with the shaft hole with the centre of a circle department be equipped with the snap ring, the tight joint cooperation of snap ring and toper ring.

As a further improvement of the technical scheme, the transmission mechanism comprises a supporting platform for supporting the fertilizer barrel and supporting columns which are radially and symmetrically inserted into the top surface of the supporting platform, small bearings are sleeved at the upper end and the lower end of each supporting column, auxiliary conical teeth are tightly sleeved on the outer side of the bottom of one supporting column, a driving gear is tightly sleeved on the outer side of the top of the supporting column, a transmission shaft is coaxially connected to the bottom end of the material scattering roller, a transmission gear meshed with the driving gear is sleeved on the outer side of the bottom of the transmission shaft, and conical tooth rings meshed with the auxiliary conical teeth are arranged at two ends of a central shaft of the hub.

As a further improvement of the technical scheme, the transmission shaft penetrates through the center of the bottom of the fertilizer barrel and can rotate, the bottom end of the transmission shaft is tightly sleeved with the large bearing, the large bearing is fixed at the center of the top surface of the supporting table, and the bottom of the material blocking piece is not bonded and is higher than the opening widths of the material distributing pipe and the material scattering pipe.

As a further improvement of the technical scheme, a support block is fixed above the small bearing at the top end of the support column, a pipe sleeve clamped with the extension pipe is fixed below the small bearing at the bottom end of the support column, and the pipe sleeve is of an inverted U-shaped structure.

As a further improvement of the technical scheme, the radial two sides of the supporting platform are symmetrically provided with inserting rods inserted with the square pipes, the front end of the top surface of the fertilizing plate trailer is symmetrically fixed with a support, a rod groove connected with the connecting rod in a clamping mode is formed in the center line of the top surface of the support, the top end of the support is provided with a pressing sleeve, the front side and the rear side of the support are symmetrically provided with clamping strips extending horizontally, and the inner side of the pressing sleeve is symmetrically provided with clamping grooves connected with the clamping strips in a clamping mode.

Compared with the prior art, the invention has the beneficial effects that:

1. in the farmland covering type fertilization method, a plurality of wheel set mechanisms which are driven into a row by the fertilizing plate car with power are arranged to run on the farmland, wherein the wheel set mechanisms can adjust the wheel frame intervals according to the width of the farmland, and a fertilizer barrel which is rolled along with the wheel frame and scatters materials is arranged right above the wheel frame, so that fertilization can be completed only by running once along the long edge of the fertilizer barrel on the farmland, the farmland covering type fertilization method is simple and convenient to use, automatic in fertilization, favorable for rapid and covering type fertilization, and practical value is achieved.

2. In this farmland formula fertilization method that covers, main sleeve pipe, time sleeve pipe and the scalable formula of extension pipe through shrink wheelset mechanism are connected to the interval of adjustment wheel frame, so that adapt to the adjustment according to the width in farmland, do benefit to wheelset mechanism and hold in the palm fertilizer bucket interval and arrange evenly fertilization in the farmland.

3. According to the farmland covering type fertilization method, the rotating force of the wheel frame is transmitted to the material scattering roller through the transmission mechanism arranged below the fertilizer barrel, and then the spiral piece is driven to rotate to lift the fertilizer to the material scattering pipe and the material distributing pipe, so that the fertilizer is in an umbrella shape under the action of centrifugal force and is thrown to a farmland.

4. According to the farmland covering type fertilization method, the blocking pieces with different thicknesses are arranged at the opening parts of the material spreading pipe and the material distributing pipe, so that the thrown fertilizer is different in resistance, and further different in throwing distance, so that the fertilizer can be spread around the fertilizer barrel in a covering manner, and large-area uniform spreading is realized.

Drawings

FIG. 1 is one of the overall assembly structure diagrams of embodiment 1;

FIG. 2 is a second schematic view of the overall assembly structure of embodiment 1;

FIG. 3 is a schematic structural view of the overall reduced state of embodiment 1;

FIG. 4 is a partially assembled structure view of the fertilizing board vehicle of embodiment 1;

FIG. 5 is a schematic structural view of the fertilizing board vehicle of embodiment 1;

FIG. 6 is an exploded view of the link mechanism of embodiment 1;

FIG. 7 is an exploded view of the holder according to embodiment 1;

FIG. 8 is a schematic view showing the entire structure of a wheel train mechanism according to embodiment 1;

FIG. 9 is a partial structural view of a wheel train mechanism according to embodiment 1;

FIG. 10 is a schematic view of a lock block structure according to embodiment 1;

fig. 11 is a partial sectional view of the wheel set mechanism of embodiment 1;

FIG. 12 is an exploded view of the wheel rim in embodiment 1;

FIG. 13 is a view schematically illustrating several wheel rim assembling structures according to embodiment 1;

FIG. 14 is one of the schematic views of the fertilizer barrel assembly of example 1;

FIG. 15 is a second schematic view of the fertilizer barrel assembly of example 1;

FIG. 16 is a schematic view of the fertilizer barrel assembly of example 1;

FIG. 17 is a schematic view of the inner structure of a fertilizer barrel in example 1;

fig. 18 is a schematic structural view of the transmission mechanism of embodiment 1.

The various reference numbers in the figures mean:

100. a fertilizing plate vehicle; 101. clamping the pipe fitting; 102. perforating; 103. a wheel fork; 104. a rubber wheel; 105. a push handle;

110. a reduction motor; 111. an annular groove; 120. a linkage mechanism; 121. a linkage shaft; 122. a worm gear; 123. a worm; 1230. a limiting groove; 124. a transmission belt; 125. a suspension;

130. a support; 131. a rod groove; 132. clamping the strip; 140. pressing the sleeve; 141. a card slot; 150. a storage box;

200. a wheel set mechanism;

210. a main bushing; 220. a secondary sleeve; 221. positioning blocks; 222. positioning a groove; 230. an extension pipe; 231. a fixed block; 232. fixing grooves;

240. a wheel frame; 241. a hub; 242. a shaft hole; 2420. a groove; 243. a snap ring; 244. a conical toothed ring; 245. a through hole; 246. pressing the column; 247. a connecting pipe;

250. a locking block; 251. connecting blocks; 252. a torsion spring; 253. a ring;

300. a fertilizer barrel; 301. a conical bottom;

310. a material scattering roller; 311. a drive shaft; 312. a transmission gear; 313. a large bearing; 320. a spiral sheet; 321. a material scattering pipe; 322. distributing pipes; 323. a material blocking sheet;

330. a transmission mechanism; 331. a saddle; 3310. inserting a rod; 3311. a support block; 332. supporting a column; 333. a secondary conical tooth; 334. pipe sleeve; 3340. a small bearing; 335. a driving gear;

340. a connecting rod; 341. a limiting block; 350. a square tube; 360. and (5) supporting the tube.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The invention provides a farmland covering type fertilizing method, which comprises the following steps:

firstly, a farmland fertilization preparation stage:

s1, determining the assembling quantity of a plurality of wheel set mechanisms 200 in the farmland covering type fertilizer applying device according to the width of a farmland;

s2, pulling the locking block 250 upwards, and stretching the secondary sleeve 220 and the extension pipe 230 until the positioning groove 222 and the fixing groove 232 are in clamping fit with the locking block 250 close to the positioning groove;

s3, tightening the compression columns 246 to compress the extension pipes 230 inserted at the two sides of the wheel frame 240;

s4, fixedly sleeving the connecting rod 340 and the square tube 350, inserting the square tube 350 into the corresponding insert rod 3310, and sleeving the pressing sleeve 140;

s5, pouring fertilizer into the fertilizer barrels 300, starting the speed reduction motor 110 to drive the linkage mechanism 120 to rotate, driving the rubber wheels 104 to roll in the farmland, and further pushing the wheel set mechanism 200 to drive the fertilizer barrels 300 to move forwards synchronously along the length direction of the farmland;

the farmland covering type fertilizer applying device comprises a fertilizer applying cart 100 providing driving force and a plurality of wheel set mechanisms 200 with variable axial distance arranged at the front end of the fertilizer applying cart 100, wherein the fertilizer applying cart 100 is provided with a speed reducing motor 110 driving the fertilizer applying cart 100 to move and a storage battery for providing electric power, the bottom surface of the rear end of the fertilizer applying cart 100 is symmetrically fixed with a wheel fork 103 and a rubber wheel 104 rotatably connected with the inside of the wheel fork 103, a linkage mechanism 120 for transmitting the torque force of the speed reducing motor 110 to the rubber wheel 104 is arranged between the wheel forks 103, the wheel set mechanisms 200 comprise a main sleeve 210 supported below the front end of the fertilizer applying cart 100, a secondary sleeve 220 and an extension pipe 230 coaxially sleeved inside the two ends of the main sleeve 210 from outside to inside in sequence, and a wheel frame 240 sleeved outside the extension pipe 230, the outer ends of the main sleeve 210 and the secondary sleeve 220 are respectively provided with a lock block 250 for controlling the locking of the secondary sleeve 220 and the extension pipe 230, a plurality of wheel hubs 241 with arc structures, a compression leg 246 for compressing the extension pipe 230 is connected to the center of the hub 241;

secondly, covering type fertilization stage of farmland:

s6, when the fertilizer barrel 300 moves along the length direction of the farmland, the synchronous rotation of the conical tooth ring 244 and the wheel frame 240 drives the auxiliary conical tooth 333 to rotate, then the supporting column 332 sleeved with the auxiliary conical tooth 333 is driven to rotate, and the driving gear 335 drives the transmission gear 312 to rotate, so that the transmission shaft 311 is driven to rotate rapidly;

s7, the spiral piece 320 synchronously rotates along with the transmission shaft 311 to drive the fertilizer to climb to the material spreading pipe 321 and the material distributing pipe 322 along the top surface of the spiral piece, and the fertilizer is outwards thrown out in an umbrella shape under the action of centrifugal force and limited by material blocking pieces 323 with different thicknesses, and the thrown fertilizer is uniformly spread to farmlands around the fertilizer barrel 300;

the wheel set mechanism 200 is provided with fertilizer barrels 300 which are used for containing fertilizer and can be thrown outwards at intervals, rotatable material scattering rollers 310 are arranged on the central axis in the fertilizer barrels 300, spiral pieces 320 which are used for lifting the fertilizer to the top end of the fertilizer barrels 300 are spirally arranged on the outer sides of the material scattering rollers 310, material scattering pipes 321 are fixed at the top end openings of the spiral pieces 320 along the tangential directions of the spiral pieces, material distributing pipes 322 are communicated with one sides of the material scattering pipes 321 towards the material scattering rollers 310, the opening directions of the material distributing pipes 322 and the material scattering pipes 321 are opposite, a row of a plurality of material blocking pieces 323 with gradually thinned thickness are bonded at the opening positions of the material distributing pipes 322 and the material scattering pipes 321, transmission mechanisms 330 which are used for transmitting the rotating force of the wheel frame 240 to the material scattering rollers 310 are installed right below the fertilizer barrels 300, and connecting rods 340 and square pipes 350 which are used for keeping the fertilizer barrels 300.

Referring to fig. 1 to 18, the present invention provides a field fertilization range variable fertilizer apparatus, including a fertilization pallet 100 providing a driving force, a plurality of wheel set mechanisms 200 installed at a front end of the fertilization pallet 100 and having a variable axial distance, and fertilizer buckets 300 installed at intervals on the wheel set mechanisms 200 and used for containing fertilizer and throwing the fertilizer outwards along with the movement of the wheel set mechanisms 200, wherein the axial distance of the wheel set mechanisms 200 is variable so as to be stretchable according to the width of a field, so that the plurality of wheel set mechanisms 200 move transversely along the length direction of the field on the basis of the width of the field, and when the wheel set mechanisms 200 move, the fertilizer in the fertilizer buckets 300 is driven to fall onto the field uniformly to complete fertilization. The fertilizing cart 100 is mounted with a reduction motor 110 for driving the fertilizing cart to move and a storage battery for supplying electric power. The wheel fork 103 and the rubber wheel 104 rotatably connected inside the wheel fork 103 are symmetrically fixed on the bottom surface of the rear end of the fertilizing board vehicle 100, so that the rubber wheel 104 rolls on the ground, and the wheel set mechanism 200 moves stably.

In this embodiment, the linkage mechanism 120 for transmitting the torque of the reduction motor 110 to the rubber wheel 104 is installed between the wheel forks 103, that is, the linkage mechanism 120 can convert the torque of the reduction motor 110 into the torque of the rubber wheel 104, so that the fertilizing board vehicle 100 moves, and manual thrust is replaced, thereby saving labor and time. Wheel set mechanism 200 includes the main casing 210 of support in fertilizied plate car 100 front end below, the interior inferior casing 220 and the extension pipe 230 that from outer to interior coaxial cup joint in proper order in main casing 210 both ends and the wheel frame 240 that the outer end of extension pipe 230 cup jointed, inferior casing 220 can stretch out and draw back in main casing 210 and slide, extension pipe 230 can stretch out and draw back in inferior casing 220 and slide, thereby change the interval of two wheel frames 240, so that be applicable to the width in farmland, guarantee that the wheel frame 240 of outermost end can be close to the long edge roll in farmland.

In this embodiment, the outer ends of the primary sleeve 210 and the secondary sleeve 220 are respectively provided with a locking block 250 for respectively controlling the locking of the secondary sleeve 220 and the extension pipe 230, so as to lock the stretched lengths of the primary sleeve 210, the secondary sleeve 220 and the extension pipe 230 and avoid the displacement of the wheel frame 240 during rolling. The inner side of the wheel frame 240 is provided with a plurality of hubs 241 in an arc structure at equal intervals, and the structure is favorable for applying pressure along the tangential direction of the hubs 241 in the arc structure by the reaction force of the wheel frame 240 pressing the ground when the wheel frame 240 rolls, so that the wheel frame 240 is ensured to roll stably. The intersection of a plurality of wheel hub 241 inlays and is equipped with the ring, and the ring center is equipped with the shaft hole 242 with wheel frame 240 concentric, the ring is rotatable with wheel hub 241, through-hole 245 has radially been seted up to one side of shaft hole 242, through-hole 245 link up the wheel hub 241 middle part circle outside, through-hole 245 internal thread is connected with the compression leg 246 that is used for compressing tightly extension pipe 230, be equipped with the screw thread in the through-hole 245, after the screwed outside was equipped with screwed compression leg 246, in compression leg 246 can the precession shaft hole 242, and then compress tightly extension pipe 230 in the shaft hole 242, guarantee that wheel frame 240 and extension pipe 230 connect firmly.

In this embodiment, the bottom middle of the fertilizing board cart 100 is fixed with the containing box 150 through the bolt, the containing box 150 is a U-shaped box structure, and partitions with different intervals are arranged inside the containing box 150, so as to store the redundant main sleeve 210, the secondary sleeve 220, the extension pipe 230, the connecting rod 340 and the square pipe 350 for standby. The redundant wheel frames 240 are mutually closed, the arranged connecting pipes 247 penetrate through the shaft holes 242 of the wheel frames 240, the outer ends of the connecting pipes 247 penetrate through bolts to play a limiting role, and then the pressing columns 246 are screwed to ensure that the wheel frames 240 are connected into a whole to roll.

Specifically, the linkage mechanism 120 includes a linkage shaft 121 coaxially connected to the rubber wheel 104, a worm wheel 122 sleeved in the middle of the linkage shaft 121, and a worm 123 suspended above the worm wheel 122 and engaged with the worm, and the worm 123 is driven to rotate to drive the worm wheel 122 to rotate, and then the linkage shaft 121 is driven to rotate, and further the rubber wheel 104 is driven to rotate, so that the fertilizing board vehicle 100 can obtain forward power. The suspension 125 is arranged above the worm 123, the top of the suspension 125 is fixedly connected with the fertilizing board vehicle 100 through bolts, and suspension rods sleeved with two ends of the worm 123 are symmetrically arranged below the top of the suspension 125, so that the worm 123 rotates stably. The outer side of the front end of the worm 123 close to the worm is provided with an annular limiting groove 1230, the outer side of the output shaft of the speed reducing motor 110 is provided with an annular groove 111, a transmission belt 124 in a tightening state is sleeved between the limiting groove 1230 and the annular groove 111, the transmission belt 124 is made of rubber, the output shaft of the speed reducing motor 110 rotates to drive the transmission belt 124 to move circularly, and then the worm 123 is driven to rotate to drive the worm wheel 122 to rotate.

Further, the top surface of the fertilizing cart 100 is provided with a through hole 102 for the belt 124 to pass through. A push handle 105 is fixed on the top surface of the rear end of the fertilizing board vehicle 100, so that the fertilizing board vehicle 100 can be controlled to move forwards by holding the push handle 105. The bottom surface of the front end of the fertilizing plate trailer 100 is fixedly provided with a clamping pipe fitting 101 clamped with the main sleeve 210 along the edge direction of the bottom surface, so that the fertilizing plate trailer 100 and the wheel set mechanism 200 can be rapidly installed and used, and after being disassembled and assembled, the fertilizing plate trailer is convenient to save space and store. The clamping pipe 101 is of an inverted U-shaped structure, the length of the vertical section of the clamping pipe 101 is larger than the radius of the main sleeve 210, the clamping pipe 101 is prevented from being separated from the main sleeve 210 in the horizontal direction, and the wheel set mechanism 200 can be pushed to run smoothly when the fertilizing plate car 100 moves forwards. The inner side of the outer port of the main sleeve 210 is fixed with a ring sleeved with the secondary sleeve 220, the inner side of the outer port of the secondary sleeve 220 is fixed with a ring sleeved with the extension pipe 230, and the ring plays a limiting role and avoids the secondary sleeve 200 and the extension pipe 230 from stretching and slipping. The outer diameter of the section of the secondary sleeve 220 arranged inside the main sleeve 210 is equal to the inner diameter of the main sleeve 210, so that the secondary sleeve 220 can be stably connected with the main sleeve 210 after extending to the longest length, and the stress bending of the joint is avoided. The extension pipe 230 is disposed inside the secondary sleeve 220, and has an outer diameter equal to the inner diameter of the secondary sleeve 220, so that the extension pipe 230 can be stably connected to the secondary sleeve 220 after extending to the longest length, and the connection is prevented from being bent due to stress.

Specifically, the top of the outer port of the secondary sleeve 220 is provided with a positioning block 221 clamped with the locking block 250 positioned at the outer end of the main sleeve 210, so that the secondary sleeve 220 can be kept from shifting when retracting into the main sleeve 210, the top of the outer port of the extension pipe 230 is provided with a fixing block 231 clamped with the locking block 250 positioned at the outer end of the secondary sleeve 220, so that the extension pipe 230 can be kept from shifting when retracting into the secondary sleeve 220, and the wheel set mechanism 200 can be kept running stably at the shortest distance, so that the space of a road surface is not occupied when pushing the fertilizing board vehicle 100 to drive the road. The positioning groove 222 clamped with the locking block 250 positioned at the outer end of the main sleeve 210 is formed in the position, close to the top of the inner port, of the secondary sleeve 220, so that the secondary sleeve 220 can be prevented from shifting after being extended, the fixing groove 232 clamped with the locking block 250 positioned at the outer end of the secondary sleeve 220 is formed in the position, close to the top of the inner port, of the extension pipe 230, so that the extension pipe 230 can be prevented from shifting after being extended, and therefore the wheel set mechanism 200 can be kept in the longest distance to stably run.

Furthermore, one side of the shaft hole 242 is provided with a groove 2420 inserted into the fixing block 231, so that the extension pipe 230 and the ring at the center of the hub 241 are connected into a whole, and mutual friction caused by rolling of the wheel frame 240 is avoided. Clamping rings 243 are arranged at the two ends of the wheel hub 241 and are concentric with the shaft hole 242, the clamping rings 243 are tightly clamped and matched with the conical gear ring 244, and the conical gear ring 244 is favorably and stably mounted so as to rotate along with the rotation of the wheel frame 240.

In addition, the locking block 250 is of an inverted L-shaped structure, the connecting block 251 is hinged to the lower portion of the horizontal section, the hinge shaft of the locking block 250 and the connecting block 251 is sleeved with the torsion spring 252, the upper extending section of the torsion spring 252 abuts against the horizontal section of the locking block 250, the lower extending section of the torsion spring 252 abuts against the top surface of the connecting block 251, the connecting block 251 is fixed on the end surface of the main sleeve 210 or the secondary sleeve 220, and the opening of the torsion spring 252 faces the horizontal rear end of the locking block 250, so that under the torsion force of the torsion spring 252, the locking block 250 can deflect downward to be clamped into the positioning block 221, the positioning groove 222, the fixing block 231 or the fixing groove 232. The top surface of the horizontal section of the locking piece 250 is provided with a finger ring 253, so that fingers can hook the finger ring 253 to lift the locking piece 250 upwards to relieve the locking effect.

Before the fertilizer barrel is fertilized, the number of the wheel set mechanisms 200 is determined according to the width of a farmland, then the locking blocks 250 are lifted upwards, the secondary sleeve 220 and the extension pipes 230 are stretched until the positioning grooves 222 and the fixing grooves 232 are in clamping fit with the corresponding locking blocks 250, then the compression columns 246 are screwed to compress the extension pipes 230 spliced on two sides of the wheel frame 240, then the connecting rods 340 and the square pipes 350 are sleeved and fixed, the square pipes 350 are spliced with the corresponding insertion rods 3310, then the compression sleeves 140 are sleeved, then fertilizer is poured into the fertilizer barrels 300, at the moment, the speed reduction motor 110 is started to drive the linkage mechanism 120 to operate, the rubber wheels 104 are driven to roll in the farmland, and the wheel set mechanisms 200 are further pushed to drive the fertilizer barrels 300 to synchronously move along the length direction of the farmland.

The fertilizer bucket 300 is positioned right above the wheel frame 240, so that the overall gravity of the fertilizer bucket 300 acts on the wheel frame 240 to avoid pressing on various sleeves of the wheel set mechanism 200. The bottom of the fertilizer barrel 300 is provided with a conical bottom 301, so that fertilizer placed in the fertilizer barrel 300 is concentrated on the conical bottom 301, a rotatable spreading roller 310 is arranged on the inner central axis of the fertilizer barrel 300, the outer diameter of the spreading roller 310 tends to be enlarged upwards along the central axis, and a spiral piece 320 for lifting the fertilizer to the top end of the fertilizer barrel 300 is spirally arranged on the outer side of the spreading roller 310. A material spreading pipe 321 is fixed at the top end of the spiral piece 320 along the tangential direction, so that the fertilizer lifted along the rotation of the spiral piece 320 is thrown out of the fertilizer barrel 300 through the material spreading pipe 321 and spread on the farmland. One side of the material spreading pipe 321, which faces the material spreading roller 310, is communicated with a material distributing pipe 322, the opening directions of the material distributing pipe 322 and the material spreading pipe 321 are opposite, so that fertilizer entering the material spreading pipe 321 is thrown out through the material distributing pipe 322 and is further evenly thrown out outside the fertilizer barrel 300, and along with the rotation of the material spreading roller 310, the fertilizer is spread on a farmland outside the fertilizer barrel 300.

In this embodiment, a row of material blocking pieces 323 with gradually reduced thickness are bonded at the openings of the material distributing pipe 322 and the material spreading pipe 321, the material blocking pieces 323 are plastic sheets, the bottoms of the material blocking pieces 323 are not bonded, the height of the material blocking pieces 323 is greater than the width of the openings of the material distributing pipe 322 and the material spreading pipe 321, the material blocking pieces 323 are pushed open by the impact of the thrown fertilizer, the thick material blocking pieces 323 can block the fertilizer and spread to the closer part of the fertilizer barrel 300 due to the different thicknesses of the material blocking pieces 323, and the thin material blocking pieces 323 block the fertilizer and spread to the farther part of the fertilizer barrel 300, so that the fertilizer can be spread in the farmland around the fertilizer barrel 300. A transmission mechanism 330 for transmitting the rotating force of the wheel frame 240 to the spreading roller 310 is installed right below the fertilizer barrel 300, the transmission mechanism 330 comprises a saddle 331 for supporting the fertilizer barrel 300 and a support column 332 in radially symmetrical insertion connection with the top surface of the saddle 331, and small bearings 3340 are sleeved on the upper and lower ends of the support column 332, so that the support column 332 is supported by the small bearings 3340 to rotate freely. The outer side of the bottom of one of the support columns 332 is tightly sleeved with a secondary conical tooth 333, and the outer side of the top of the support column 332 is tightly sleeved with a driving gear 335. The bottom end of the material spreading roller 310 is coaxially connected with a transmission shaft 311, the outer side of the bottom of the transmission shaft 311 is sleeved with a transmission gear 312 engaged with a driving gear 335, two ends of the central shaft of a hub 241 are provided with conical gear rings 244 engaged with secondary conical teeth 333, since the conical ring 244 is integrally connected to the wheel frame 240, when the wheel frame 240 rolls, the synchronous rotation of the conical ring 244 rotates the sub-conical teeth 333, then, the supporting post 332 sleeved with the secondary conical tooth 333 is driven to rotate, and the driving gear 335 drives the transmission gear 312 to rotate, wherein the outer diameter of the driving gear 335 is larger than the outer diameter of the transmission gear 312, and it is known from the gear ratio theory that the angular velocity of the transmission gear 312 is larger than the driving gear 335, and then the transmission shaft 311 is driven to rotate fast, so that the spiral piece 320 rotates, and the fertilizer climbs to the material scattering pipe 321 and the material distributing pipe 322 along the top surface of the fertilizer and is thrown out to the farmland in an umbrella shape due to the centrifugal force. Connecting rods 340 and square pipes 350 for keeping the fertilizer barrels stable are connected between every two adjacent fertilizer barrels 300, so that the joints of the fertilizer barrels 300 are integral, the connecting rods 340 are fixed on the fertilizing plate car 100, and the fertilizer barrels 300 cannot rotate around the wheel frame 240 and topple. The one end top surface intercommunication that square pipe 350 and connecting rod 340 cup jointed has the ring, and the ring inboard is equipped with the screw thread, and its inside threaded connection has the bolt, and the bolt of screwing compresses tightly connecting rod 340 guarantees that square pipe 350 and connecting rod 340 are connected and do not slip.

In this embodiment, the outer end of the wheel frame 240 located at the outermost side is inserted into the shaft hole 242 through the supporting tube 360, so as to support the supporting column 332 without the auxiliary tapered teeth 333, and ensure that the fertilizer barrel 300 is stably suspended.

Specifically, the transmission shaft 311 penetrates through the center of the bottom of the fertilizer barrel 300 and is rotatable, the large bearing 313 is tightly sleeved at the bottom end of the transmission shaft 311, and the large bearing 313 is fixed at the center of the top surface of the saddle 331, so that the transmission shaft 311 is supported to rotate.

Further, a supporting block 3311 is fixed above the small bearing 3340 at the top end of the supporting column 332, the top surface of the supporting block 3311 is an arc concave surface, and is fixed with the fertilizer barrel 300 through a bolt, so that the fertilizer barrel 300 is stable after being put in fertilizer. A pipe sleeve 334 clamped with the extension pipe 230 is fixed below the small bearing 3340 at the bottom end of the support column 332, the pipe sleeve 334 is of an inverted U-shaped structure, and the pipe sleeve 334 is clamped and matched with the support pipe 360. One side of the pipe sleeve 334 is communicated with a ring, the inner side of the ring is provided with threads, the inner threads of the ring are connected with bolts, and the bolts are screwed to tightly press the extension pipe 230 or the support pipe 360, so that the fertilizer barrel 300 is further ensured to be firmly fixed above the wheel frame 240.

In addition, the radial two sides of the saddle 331 are symmetrically provided with inserting rods 3310 inserted into the square pipes 350, wherein the length of the square pipes 350 can be equally divided and customized according to the width of the farmland, so that the connected square pipes 350 can transversely occupy the width of the farmland. The front end of the top surface of the fertilizing plate trolley 100 is symmetrically fixed with a bracket 130, a rod groove 131 clamped with a connecting rod 340 is formed in the center line of the top surface of the bracket 130, and a pressing sleeve 140 is arranged at the top end of the bracket 130 and used for pressing the connecting rod 340 without slipping. The front side and the rear side of the bracket 130 are symmetrically provided with horizontally extending clamping strips 132, and the inner side of the pressing sleeve 140 is symmetrically provided with clamping grooves 141 clamped with the clamping strips 132, so that the pressing sleeve 140 is firmly fixed on the top of the bracket 130. The bottom surface of the connecting rod 340 and the positions close to the two ends thereof are symmetrically provided with limiting blocks 341 for abutting against the inner side of the bracket 130 to prevent the connecting rod 340 from sliding transversely.

When the wheel set mechanism 200 drives the fertilizer barrel 300 to synchronously move along the length direction of a farmland during fertilizer application of the fertilizer barrel, the conical tooth ring 244 and the wheel frame 240 synchronously rotate to drive the auxiliary conical teeth 333 to rotate, then the support column 332 sleeved with the auxiliary conical teeth 333 is driven to rotate, and the driving gear 335 drives the transmission gear 312 to rotate, so that the transmission shaft 311 is driven to rotate rapidly, and then the spiral piece 320 rotates along with the rotation, so that the fertilizer ascends along the top surface of the fertilizer barrel to the material scattering pipe 321 and the material distributing pipe 322 to be thrown outwards in an umbrella shape due to the centrifugal force, and the thrown fertilizer is uniformly scattered to the farmland around the fertilizer barrel 300 under the blocking of the material blocking pieces 323 with different thicknesses.

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

Claims

1. A farmland covering type fertilization method is characterized in that: the method comprises the following steps:

firstly, a farmland fertilization preparation stage:

secondly, covering type fertilization stage of farmland:

2. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the front end bottom surface of fertilization wooden handcart just is fixed with the card pipe fitting with the main tributary pipe joint along its limit, and card pipe fitting is the radius that the type of falling U structure and vertical section length are greater than the main tributary pipe, and the perforation has been seted up to the top surface of fertilization wooden handcart, and the rear end top surface of fertilization wooden handcart is fixed with and pushes away the handle.

3. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the linkage mechanism comprises a linkage shaft coaxially connected with the rubber wheel, a worm wheel sleeved in the middle of the linkage shaft, and a worm which is suspended above the worm wheel and meshed with the worm, wherein an annular limiting groove is formed in the outer side of the front end, close to the worm, of the worm, an annular groove is formed in the outer side of an output shaft of the speed reducing motor, and a transmission belt in a tightening state is sleeved between the limiting groove and the annular groove.

4. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the inside side of main sheathed tube outer port is fixed with the ring that cup joints with time sleeve pipe, and the inside side of time sheathed tube outer port is fixed with the ring that cup joints with the extension pipe, and the inside one section external diameter of main sheathed tube is arranged in to time sleeve pipe equals with main sleeve pipe internal diameter, and the extension pipe is arranged in inside one section external diameter of time sleeve pipe and is equaled with time sleeve pipe internal diameter.

5. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the extension pipe is close to the top of the inner port and is provided with a positioning groove connected with the locking block positioned at the outer end of the main sleeve, and the extension pipe is close to the top of the inner port and is provided with a fixing groove connected with the locking block positioned at the outer end of the secondary sleeve.

6. The farmland cover-laying fertilization method as claimed in claim 5, wherein: a plurality of wheel hub's intersection inlays and is equipped with the ring, and the ring center be equipped with the wheel frame with the shaft hole in the centre of a circle, the through-hole has radially been seted up to one side in shaft hole, compression leg and through-hole threaded connection, the recess of pegging graft with the fixed block is seted up to one side in shaft hole, wheel hub's both ends and with the shaft hole with the centre of a circle department be equipped with the snap ring, the tight joint cooperation of snap ring and toper ring gear.

7. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the transmission mechanism comprises a supporting platform for supporting the fertilizer barrel and supporting columns radially and symmetrically inserted into the top surface of the supporting platform, small bearings are sleeved at the upper end and the lower end of each supporting column, auxiliary conical teeth are tightly sleeved on the outer side of the bottom of one supporting column, a driving gear is tightly sleeved on the outer side of the top of the supporting column, a transmission shaft is coaxially connected to the bottom end of the material scattering roller, a transmission gear meshed with the driving gear is sleeved on the outer side of the bottom of the transmission shaft, and conical tooth rings meshed with the auxiliary conical teeth are arranged at two ends of a central shaft of the hub.

8. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: the transmission shaft penetrates through the center of the bottom of the fertilizer barrel and can rotate, a large bearing is tightly sleeved at the bottom end of the transmission shaft and fixed at the center of the top surface of the supporting table, and the bottom of the material blocking piece is not bonded and is higher than the opening widths of the material distributing pipe and the material scattering pipe.

9. The cover-laying fertilization method of a farmland as claimed in claim 1, wherein: a support block is fixed above the small bearing at the top end of the support column, a pipe sleeve clamped with the extension pipe is fixed below the small bearing at the bottom end of the support column, and the pipe sleeve is of an inverted U-shaped structure.

10. The field-covering fertilizing method as claimed in claim 7, characterized in that: the radial bilateral symmetry of saddle is equipped with the inserted bar of pegging graft with square pipe, and the top surface front end symmetry of fertilization wooden handcart is fixed with the support, sets up the pole groove with the connecting rod joint on the top surface central line of support, and the support top is provided with presses the cover, and the lateral symmetry is equipped with the card strip that is the level extension around the support, presses the inboard symmetry of cover to set up the draw-in groove with card strip joint.