CN114667880B

CN114667880B - Mulching film laying equipment and mulching film laying method based on agricultural planting

Info

Publication number: CN114667880B
Application number: CN202210501851.9A
Authority: CN
Inventors: 孙兵兵
Original assignee: Nanji Agricultural Machinery Research Institute Co ltd
Current assignee: Nanji Agricultural Machinery Research Institute Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2023-06-13
Anticipated expiration: 2042-05-09
Also published as: CN114667880A

Abstract

The invention relates to the technical field of mulching film laying, in particular to mulching film laying equipment and a mulching film laying method based on agricultural planting, wherein the mulching film laying equipment comprises a vehicle body, two anti-slip wheels are arranged on two sides of the vehicle body, a mulching film sleeving mechanism is connected to the bottom of the vehicle body, two mounting plates are fixedly connected to the bottom of the vehicle body, a rotating shaft is rotatably connected between the mounting plates, a driving mechanism is connected to the rotating shaft, a rotary soil collecting mechanism is connected to the rotating shaft, and a crushing and bulldozing mechanism is connected to the mounting plates; the automobile body gathers earth and compacts the spacing to the plastic film at the removal in-process, has reduced the preparation flow before laying, has improved work efficiency to before earth covers the plastic film, smash the earth that will collect and guide to the plastic film top through guiding laying mechanism, and make the quantity and the height that the soil falls obtain control through the guide, and reduce the damage of falling height to the plastic film surface.

Description

Mulching film laying equipment and mulching film laying method based on agricultural planting

Technical Field

The invention relates to the field of mulching film laying, in particular to mulching film laying equipment and a mulching film laying method based on agricultural planting.

Background

In the agricultural planting process, a mulching film is paved on a farmland before planting partial crops, and the mulching film can enable soil to fully absorb solar light energy, so that the ground temperature is improved, soil moisture is preserved, the soil is prevented from being early, the soil is loosened, and the soil nutrient conversion is promoted. Light waves emitted from the sun can smoothly penetrate through the plastic mulch film. However, the light waves are not easily reflected to the atmosphere through the mulching film, so that solar energy can be converted into heat energy to be remained in the soil. The soil layer is warm, so that crops can be prevented from being cold injury at low temperature in early spring, and the method is very beneficial to the growth and development of the crops.

The prior art discloses a part of patent documents related to a mulching film laying device, and Chinese patent with the application number of CN201810809135.0 discloses an agricultural mulching film laying device, which comprises a bottom plate, wheels, a rotating shaft, a film winding drum, mulching films, an N-shaped frame, a first fixed plate, an elastic piece, a top plate and the like; the front and rear parts of the left side of the bottom plate are connected with wheels, the left part of the bottom plate is provided with a first square hole, and the bottom plate at the middle parts of the front side and the rear side in the first square hole is provided with a placing groove.

The in-process of laying to the plastic film, need fix the both sides of plastic film, prevent that the plastic film from blowing by the wind, prior art is when fixing the plastic film, need prepare earth in advance generally, lay in the both sides of plastic film top at the in-process of laying and compact, prepare earth in advance and consume certain preparation time, and the earth volume of compaction plastic film is difficult to control, the in-process of compaction is dropped to the mud piece that the diameter is great to the thin plastic film, easily break the plastic film because of the impact force, thereby reduce the protective effect of plastic film, wind also can follow in the plastic film from the breach, be unfavorable for the production of crops.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a mulching film laying device and a mulching film laying method based on agricultural planting.

In order to achieve the above purpose, the invention adopts the following technical scheme: the mulching film laying equipment based on agricultural planting comprises a vehicle body, wherein two anti-slip wheels are arranged on two sides of the vehicle body, and a mulching film sleeving mechanism is connected to the bottom of the vehicle body;

the bottom of the vehicle body is fixedly connected with two mounting plates, a rotating shaft is rotationally connected between the mounting plates, a driving mechanism is connected on the rotating shaft, a rotary soil collecting mechanism is connected on the rotating shaft, a crushing and bulldozing mechanism is connected on the mounting plates, the bottom of the vehicle body is connected with a guiding and paving mechanism, the rotary soil collecting mechanism is used for collecting soil on the surface of a farmland, the crushing and bulldozing mechanism is used for crushing and discharging the collected soil, and the guiding and paving mechanism is used for guiding the discharged soil to two sides of a mulching film for covering; during operation, the two sides of the mulching film are required to be fixed in the process of paving the mulching film, the mulching film is prevented from being blown up by wind, soil is usually required to be prepared in advance when the mulching film is fixed in the prior art, soil is compacted on the two sides above the mulching film in advance when the mulching film is paved, a certain preparation time is consumed for preparing the soil in advance, the soil volume of the compacted mulching film is difficult to control, the thin mulching film is easy to break the mulching film due to impact force in the process of falling and compacting the mud block with larger diameter, the protection effect of the mulching film is reduced, wind can also carry out the mulching film from a break point, the production of crops is not facilitated, the technical scheme can solve the problems, and the concrete working mode is that farmers set the mulching film roll through a limiting sleeve through a mulching film sleeve mechanism, then drive a vehicle body to move in a field, anti-skid wheels on the two sides of the vehicle body are positioned in two adjacent drainage ditches of the field, in the process that the vehicle body moves through the anti-skid wheels, the mulch film roll outwards rotates through the action of the mulch film sleeving mechanism and is paved in the field, in the process that the mulch film is paved, the driving mechanism acts on the rotating shaft and drives the rotating shaft to rotate, the rotating shaft rotates to drive the rotating soil collecting mechanism to work, in the process that the vehicle body moves through the anti-skid wheels, soil on the field surface is excavated and collected, the rotating soil collecting mechanism acts on the crushing bulldozing mechanism in the process that the vehicle body continuously rotates along with the rotating shaft, the crushing bulldozing mechanism crushes the collected soil and discharges the crushed soil from the collecting position, the crushed soil is received and discharged through the guiding and paving mechanism and is compacted and limited above the mulch film, the collected soil is crushed to be small, and impact and extrusion caused by large soil blocks to the mulch film are avoided, the soil is collected in the moving process to compact and limit the mulching film, so that the soil does not need to be prepared in advance before paving, the preparation process before paving is reduced, the working efficiency is improved, the collected soil is crushed and guided to the upper part of the mulching film through a guiding paving mechanism before the mulching film is covered by the soil, the soil blocks with larger volume are prevented from damaging the mulching film after the soil is crushed, the position and the height of the soil falling and covering are controlled through guiding, the soil is actively drained, the soil is continuously supplied to cover the edge of the mulching film in the moving process, and the accurate covering of the edge of the mulching film is facilitated.

Preferably, the mulching film sleeving mechanism comprises a first connecting plate and a mounting block, wherein the first connecting plate is fixedly connected to the bottom of the vehicle body, the mounting block is fixedly connected to the top of the vehicle body, a second connecting plate is connected to the mounting block through two bolt threads, a sleeving roller is movably spliced between the second connecting plate and the first connecting plate, a plurality of movable grooves are formed in the surface of the sleeving roller in a circumferential array, extrusion strips are placed in the movable grooves, rectangular strips are fixedly connected to the sleeving roller, two first springs are fixedly connected between the rectangular strips and the extrusion strips, a first motor is fixedly arranged at the top of the vehicle body, and the output shaft of the first motor and one end of the sleeving roller are fixedly connected with a first driving wheel which is in transmission through a first driving belt; during operation, the rotary bolt is used for detaching the second connecting plate, the mulch film roll is sleeved at one end of the sleeve roller and is connected to the mounting block through the bolt thread, so that the two ends of the sleeve roller are limited, the sleeve roller is enabled to rotate more stably, replacement and disassembly of the mulch film roll can be realized, the mulch film roll is sleeved at one end of the sleeve roller and is arranged in the process of entering, the surface of the extrusion strip is extruded, the extrusion strip moves towards the sleeve roller along the movable groove, the first spring is extruded, compression deformation is generated on the first spring, the compressed first spring is used for extruding the extrusion strip outwards through the elastic action, the surface of the extrusion strip is propped against the inner wall of the mulch film roll, the mulch film roll can not generate relative rotation on the sleeve roller, the first motor is started, the first driving wheel on the output shaft is driven to rotate, the sleeve roller is enabled to rotate through the transmission function of the first driving belt, the sleeve roller is enabled to rotate, the extrusion strip is enabled to move along the movable groove to move towards the sleeve roller, and the mulch film roll is enabled to move through the rotation of the mulching film roll, and the mulch film is paved on the ground surface.

Preferably, the driving mechanism comprises a second motor and two second driving wheels, the second motor is fixedly arranged at the bottom of the vehicle body, the second driving wheels are respectively and fixedly connected to an output shaft of the second motor and the rotating shaft, and the second driving wheels are driven by a second driving belt; during operation, the second motor is started to drive the second driving wheel on the output shaft to rotate, and the second driving wheel on the rotating shaft is driven to rotate through the transmission effect of the second driving belt, so that the rotating shaft rotates, and the rotary soil collecting mechanism is driven to rotate to collect soil.

Preferably, the rotary soil collecting mechanism comprises two annular shells, the annular shells are respectively positioned at two ends of the rotating shaft, a plurality of connecting rods are fixedly connected between the annular shells and one end of the adjacent rotating shaft, a plurality of partition plates are fixedly connected in the annular shells in a circumferential array, a storage cavity is formed between two adjacent partition plates, collecting grooves are respectively formed in the surfaces of the annular shells corresponding to the positions of the storage cavities, and soil shovels are fixedly connected at the edges of the notch of the collecting grooves; during operation, the rotation axis rotates the connecting rod that drives both ends and rotates, the connecting rod drives annular casing and rotates, annular casing is in the pivoted in-process, the one end of soil spade moves to the soil body along with annular casing's rotation, and the in-process that continues to rotate at annular casing is with the earth of scooping up falling to annular casing accomodate the intracavity portion, hold the earth of collecting every soil spade, at rotatory in-process, can rock soil, be favorable to vibrating loose soil, and the collecting vat is when rotating decurrent position, can pour the soil that the inside was collected, cover the plastic film, reduce massive soil and cause the destruction to the plastic film, and the massive soil rolls easily, make the rolling condition of soil reduce after the breakage, be favorable to laying the cover.

Preferably, the crushing bulldozing mechanism comprises a convex moving ring and a plurality of arc-shaped pushing plates, the convex moving ring is fixedly connected to the side surface of the mounting plate, the convex moving surface of the convex moving ring is provided with a proximal end and a distal end, the arc-shaped pushing plates are in sliding sealing connection with the inner wall of the containing cavity, a plurality of crushing heads are fixedly connected to the convex surface of the arc-shaped pushing plates, round rods are fixedly connected to the concave surfaces of the arc-shaped pushing plates, one ends of the round rods penetrate through the inner wall of the annular shell and then extend into the round cavity of the annular shell, and are fixedly connected with strip-shaped baffles, second springs are sleeved on the round rods, two ends of each second spring are fixedly connected with the strip-shaped baffles and the annular shell respectively, and the surfaces of one ends of the strip-shaped baffles are in contact with the surfaces of the adjacent convex moving rings; during operation, the annular shell is in the pivoted in-process, when the protruding department of protruding ring is rotated to the bar baffle, the distal end of protruding ring produces the extrusion to the bar baffle, make the bar baffle drive circular pole and remove, and carry out the compression set to the second spring, the circular pole drives adjacent arc push pedal and remove, the in-process that the arc push pedal removed in the annular shell, outwards promote the earth of collecting, and promote along the collecting vat, the broken head on the arc push pedal is in the in-process of contacting with the mud piece that the volume is great, can reduce the area of contact with the mud piece, thereby make the mud piece extrude the breakage more easily under the thrust effect, the volume of messenger's mud piece reduces, reduce the damage that produces the plastic film surface when mud piece and plastic film contact, also reduce the probability of soil roll, make the cover more stable, improve the protection to the plastic film in the spacing in-process of compaction.

Preferably, the guiding and paving mechanism comprises two fixing rods and a plurality of guiding inclined planes, the guiding inclined planes are arranged at one end of each soil spade, the fixing rods are fixedly connected to the bottom of the vehicle body, one side of the bottom end of each fixing rod is inserted with two limiting pins, one ends of two adjacent limiting pins are fixedly connected with a guiding shell together, third springs are sleeved on the limiting pins, two ends of each third spring are fixedly connected to the guiding shell and the fixing rods respectively, and one end of each guiding shell is contacted with the surface of the annular shell; during operation, when annular casing rotates, broken bulldozing mechanism's effect is released earth from the collecting vat, and fall into adjacent guide shell, and slide along guide shell's inclined plane, fall to the top of plastic film at last and carry out compaction spacing, the soil spade is continuing pivoted in-process, guide inclined plane and guide shell contact of soil spade one end, and under the extrusion effect of guide inclined plane, make guide shell remove to one side, and drive the spacer pin and remove, and make the third spring produce compression deformation through the extrusion, guide inclined plane and guide shell extrusion on the soil spade, make guide shell and soil spade transversely misplace, after the soil spade passes through, the elastic action of third spring makes guide shell return and continue to receive earth, guide earth through guide shell, make earth slide along guide shell's inclined plane and lay on the plastic film, carry out drainage control to the position and the height of laying, make the cover of earth more even, improve the degree of consistency of compacting spacing to the plastic film, and reduce the soil fall height, the protection to the plastic film when improving and dropping.

Preferably, the mulching film punching mechanism is connected to the vehicle body, the mulching film punching mechanism comprises a circular through hole and two hydraulic cylinders, the circular through hole is formed in the top of the vehicle body, the hydraulic cylinders are fixedly installed on the top of the vehicle body, piston shafts of the hydraulic cylinders penetrate through the surface of the vehicle body and then extend to the lower side of the vehicle body to be fixedly connected with a first long slat together, the top of the first long slat is fixedly connected with an annular cutter, and the annular cutter is located right below the circular through hole; during operation, pass the one end of plastic film between circular through-hole and annular cutter to obtain plastic film supporting mechanism's roll support, then lay the cover with ground, when needs punching, stop the removal of automobile body, and close the first motor of actuating mechanism, start hydraulic cylinder, hydraulic cylinder's piston rod drives first rectangular board and upwards moves, make annular cutter remove in to circular through-hole, punch the plastic film between circular through-hole and the annular cutter, hydraulic cylinder's piston rod drives first rectangular board and reverse the removal after punching, take off the punching operation, thereby make the plastic film normally unreel and pass through.

Preferably, the top of the car body is fixedly connected with two first connecting pins, the second long strips are inserted on the first connecting pins in a co-moving way, the top of the car body is rotationally connected with a bidirectional screw, two ends of the bidirectional screw are respectively connected with the first long strips and the second long strips in a threaded manner, the inner wall of the annular cutter is fixedly connected with a connecting ring, the bottom of the second long strips is fixedly connected with a puncture rod, the surface of the puncture rod is fixedly connected with a plurality of rubber rings, the bottoms of the rubber rings are all provided with guide cambered surfaces, two second connecting pins are respectively inserted on the second long strips on two sides of the puncture rod, arc-shaped supporting rods are respectively connected to the bottoms of the two second connecting pins on two sides, fourth springs are respectively sleeved on the second connecting pins, two ends of each fourth spring are respectively connected with the arc-shaped supporting rods and the second long strips in a fixed manner, the bottoms of the arc-shaped supporting rods are provided with anti-skidding patterns, two mulching film supporting mechanisms are also connected to the surface of the first long strips, and the two mulching film supporting mechanisms are positioned on two sides of the annular mulching film supporting mechanisms; when the annular cutter is driven to punch by the first long strip plate, the first long strip plate is connected with the screw of the bidirectional screw rod in a threaded mode, the bidirectional screw rod rotates on the vehicle body, the second long strip plate is connected with the screw of the bidirectional screw rod in a threaded mode, the second long strip plate is enabled to be close to the first long strip plate along the first connecting pins on two sides in a synchronous mode, the second long strip plate is close to the first long strip plate in the process, the bottom of the arc-shaped supporting rod is contacted with the round portion cut off by the mulching film, the cut-off portion is clamped between the arc-shaped supporting rod and the connecting rings, the arc-shaped supporting rod drives the second connecting pins to move upwards in the moving process and squeeze the fourth spring, the fourth spring generates compression deformation, the sharp end at the bottom of the puncture rod punctures from the center of the round portion cut-off by the mulching film and enters the cavity in the center of the connecting rings, the guide cambered surface on the rubber ring is convenient to cut-off the rubber ring, the round portion cut-off can be kept on the puncture rod in a limit mode after punching is finished, the first long strip plate and the second long strip plate are far away from each other, the cut-off round portion is cut off by the puncture rod, the rubber ring is limited, the cut-off portion is produced by the rubber ring, and the cut-off portion is cut off and the cut-off portion is extruded by the ground, the ground is prevented from the ground from being mixed, and the ground growth is prevented from the ground.

Preferably, the mulching film supporting mechanism comprises two plugging rods, the two plugging rods are in sliding plugging connection with the surface of the first long slat, two ends of each adjacent plugging rod are fixedly connected with cambered surface plates together, two fifth springs are sleeved on the plugging rods, two ends of each fifth spring are fixedly connected with the first long slat and the adjacent cambered surface plates, annular guide rollers are sleeved on the cambered surface plates at two ends in a sliding manner together, and the annular guide rollers are sleeved outside the first long slat; during operation, through setting up annular guide roller on first slat, be convenient for the plastic film guide and pass through, when first slat drives annular cutter upward movement, first slat upwards moves along the peg graft pole, annular guide roller can with the plastic film centre gripping on the bottom surface of automobile body to extrude the fifth spring compression deformation of messenger's top, when making annular guide roller no longer remove, first slat can continue upward movement, provides the ability of stepping down for punching on the one hand, on the other hand can carry out the centre gripping spacing to the position that does not punch, is favorable to the stability of punching.

A mulching film laying method based on mulching film laying equipment for agricultural planting, comprising the following steps:

Step one, sleeving a mulching film roll through a mulching film sleeving mechanism, and unreeling the mulching film in the moving process of a vehicle body;

digging and collecting soil in the field through a rotary soil collecting mechanism in the film unreeling process;

and thirdly, crushing the collected soil by a crushing and bulldozing mechanism, discharging the crushed soil, and covering the edge of the paved mulching film by a guiding and paving mechanism.

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

1. the device is characterized in that the device comprises a guide paving mechanism, a guide paving mechanism and a guide paving mechanism, wherein the guide paving mechanism is used for receiving discharged broken soil and guiding the discharged broken soil to the upper part of a mulching film for compaction limiting, collected soil is broken and then becomes small, larger soil blocks are prevented from impacting and extruding the mulching film, the mulching film is further kept complete, the ground contact surface can be more in the process of covering the mulching film by broken soil, compaction of the edge of the mulching film is facilitated, the soil is collected for compaction limiting on the mulching film in the moving process, soil does not need to be prepared in advance before paving, the preparation flow before paving is reduced, and the working efficiency is improved.

2. Before earth covers the plastic film, smash the earth that will collect and guide the plastic film top through guiding laying mechanism, prevent behind the crushing earth that the mud piece of great volume from destroying the plastic film to position and the height that makes the soil whereabouts cover are controlled through guiding, have the effect of initiative drainage hack, constantly provide the hack at the in-process of removal and cover the plastic film border, be favorable to the accurate cover to the plastic film border.

3. The distal end of protruding ring produces the extrusion to the bar baffle, make the bar baffle drive the circular pole and remove, and carry out the compression set to the second spring and produce the second spring, the circular pole drives adjacent arc push pedal and removes, the in-process that the arc push pedal removed in annular casing, outwards promote the earth of collecting, and release along the collecting vat, the broken head on the arc push pedal can reduce the area of contact with the great mud piece of volume in-process of contact, thereby make the mud piece extrusion crushing more easily under thrust effect, the volume of messenger's mud piece reduces, reduce the damage to plastic film surface production when mud piece and plastic film contact, also reduce the probability of soil rolling, make the cover more stable, improve the protection of compaction spacing in-process to the plastic film.

4. Through guiding inclined plane and the guide shell extrusion on the soil spade, make guide shell and soil spade transversely misplace, after the soil spade passes through, the elastic action of third spring makes guide shell return and continue to receive earth, guide earth through guide shell, make earth along guide shell's inclined plane landing and lay on the plastic film, position and the high drainage control of laying, make the coverage of earth more even, improve the spacing degree of consistency of plastic film compaction, and reduce the soil fall height, improve the protection to the plastic film when dropping.

5. The in-process that the second lath was close to first lath, the bottom of arc butt pole and the round part contact that the plastic film excision was got off, and with excision part centre gripping between arc butt pole and go up the connecting ring, and at the in-process that removes, the arc butt pole drives the second connecting pin and upwards remove and extrude the fourth spring, make the fourth spring produce compression deformation, the sharp end of piercing rod bottom pierces from the round part center department that the plastic film excision was got off and enters into the cavity at connecting ring center, the guide cambered surface on the rubber ring is convenient for excision part can pass through the rubber ring smoothly, first lath and second lath keep away from each other after punching, the round part that the plastic film excision was got off is left on the piercing rod, be spacing by the rubber ring, collect the excision part that produces when punching the plastic film, prevent excision part from entering field and earth mixing, influence the growth of crops.

Drawings

FIG. 1 is a flow chart of the method of the present invention;

FIG. 2 is a first schematic diagram of the present invention;

FIG. 3 is a second schematic diagram of the present invention;

FIG. 4 is a schematic view of a first cross-sectional structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure A in FIG. 4 according to the present invention;

FIG. 6 is an enlarged schematic view of the structure at B in FIG. 4 according to the present invention;

FIG. 7 is a schematic diagram of a second cross-sectional structure of the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at C in accordance with the present invention;

FIG. 9 is an enlarged schematic view of the structure at D in FIG. 7 according to the present invention;

FIG. 10 is a schematic view of a third cross-sectional structure of the present invention;

fig. 11 is an enlarged schematic view of the structure at E in fig. 10 according to the present invention.

In the figure: 1. a vehicle body; 2. an anti-skid wheel; 3. a mounting plate; 4. a rotating shaft; 5. a first connection plate; 6. a mounting block; 7. a bolt; 8. a second connecting plate; 9. sleeving a roller; 10. a movable groove; 11. extruding the strip; 12. a rectangular bar; 13. a first spring; 14. a first motor; 15. a first driving wheel; 16. a first drive belt; 17. a second motor; 18. a second driving wheel; 19. a second drive belt; 20. an annular housing; 2001. a storage chamber; 21. a connecting rod; 22. a partition plate; 23. a collection tank; 24. a soil spade; 25. a male ring; 2501. a proximal end; 2502. a distal end; 26. an arc push plate; 27. a crushing head; 28. a circular rod; 29. a strip-shaped baffle; 30. a second spring; 31. a fixed rod; 32. a guide slope; 33. a limiting pin; 34. a guide housing; 35. a third spring; 36. a circular through hole; 37. a hydraulic cylinder; 38. a first elongate plate; 39. an annular cutter; 40. a first connecting pin; 41. a second elongated slat; 42. a bidirectional screw; 43. a connecting ring; 44. a puncture rod; 45. a rubber ring; 46. a second connecting pin; 47. an arc-shaped supporting rod; 48. a fourth spring; 49. inserting a connecting rod; 50. an arc panel; 51. a fifth spring; 52. an annular guide roller.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

2-11, the mulching film laying equipment for agricultural planting comprises a vehicle body 1, wherein two anti-skid wheels 2 are arranged on two sides of the vehicle body 1, and a mulching film sleeving mechanism is connected to the bottom of the vehicle body 1;

the bottom of the vehicle body 1 is fixedly connected with two mounting plates 3, a rotating shaft 4 is rotationally connected between the mounting plates 3, a driving mechanism is connected to the rotating shaft 4, a rotary soil collecting mechanism is connected to the rotating shaft 4, a crushing and bulldozing mechanism is connected to the mounting plates 3, the bottom of the vehicle body 1 is connected with a guiding and laying mechanism, the rotary soil collecting mechanism is used for collecting soil on the surface of a farmland, the crushing and bulldozing mechanism is used for crushing and discharging the collected soil, and the guiding and laying mechanism guides the discharged soil to two sides of a mulching film for covering; during operation, the two sides of the mulching film are required to be fixed in the process of paving the mulching film, the mulching film is prevented from being blown up by wind, soil is usually required to be prepared in advance when the mulching film is fixed in the prior art, the two sides of the mulching film paved above the mulching film are compacted in the process of paving, a certain preparation time is required to be consumed for preparing the soil in advance, the soil volume of the compacted mulching film is difficult to control, the thin mulching film is easy to break the mulching film due to impact force in the process of falling and compacting the mud block with larger diameter, the protection effect of the mulching film is reduced, wind can also carry out the mulching film from a break point, the production of crops is not facilitated, the technical scheme can solve the problems, and the specific working mode is that farmers set the mulching film roll through a limiting sleeve through a mulching film sleeving mechanism, then drive a vehicle body 1 to move in a field, the anti-slip wheels 2 on two sides of the vehicle body 1 are positioned in two adjacent drainage ditches of the field, the vehicle body 1 rotates outwards through the action of a mulching film sleeving mechanism in the process of moving the anti-slip wheels 2 and lays in the field, the driving mechanism acts on the rotating shaft 4 and drives the rotating shaft 4 to rotate in the process of mulching film laying, the rotating shaft 4 rotates to drive the rotary soil collecting mechanism to work, the soil on the field surface is excavated and collected in the process of moving the vehicle body 1 through the anti-slip wheels 2, the rotary soil collecting mechanism acts with the crushing bulldozing mechanism in the process of continuing to rotate along with the rotating shaft 4, the crushing bulldozing mechanism crushes the collected soil and discharges the crushed soil from the collecting position, the crushed soil is received by the guiding laying mechanism and is compacted and limited above the mulching film, the collected soil is crushed and particles are reduced, avoid causing great soil block to cause impact and extrusion to the plastic film, and then be favorable to maintaining the integrality of plastic film, and the in-process that covers the plastic film at the hack can be more with the face of plastic film contact, be favorable to the compaction to plastic film border, remove and lay the in-process to the plastic film through automobile body 1, it is spacing to gather earth to carry out the compaction to the plastic film at the in-process that removes, thereby need not prepare earth in advance before laying, the preparation flow before laying has been reduced, work efficiency has been improved, and before the earth covers the plastic film, smash the earth that will collect and guide to the plastic film top through guiding laying mechanism, prevent that the mud block of great volume from destroying the plastic film after smashing the earth, and make the position and the height that the soil whereabouts was covered obtain control through the guide, have the effect of initiative drainage hack, constantly provide the hack to cover the plastic film border at the in-process that removes, be favorable to covering the plastic film border is accurate.

As one implementation mode of the invention, the mulching film sleeving mechanism comprises a first connecting plate 5 and a mounting block 6, wherein the first connecting plate 5 is fixedly connected to the bottom of the vehicle body 1, the mounting block 6 is fixedly connected to the top of the vehicle body 1, a second connecting plate 8 is connected to the mounting block 6 through two bolts 7 in a threaded manner, a sleeving roller 9 is movably spliced between the second connecting plate 8 and the first connecting plate 5, a plurality of movable grooves 10 are formed in the surface of the sleeving roller 9 in a circumferential array, extrusion strips 11 are respectively placed in the movable grooves 10, rectangular strips 12 are fixedly connected in the sleeving roller 9, two first springs 13 are respectively fixedly connected between the rectangular strips 12 and the extrusion strips 11, a first motor 14 is fixedly arranged at the top of the vehicle body 1, a first driving wheel 15 is respectively fixedly connected to the output shaft of the first motor 14 and one end of the sleeving roller 9, and the first driving wheel 15 is driven through a first driving belt 16; during operation, the second connecting plate 8 is disassembled by the rotary bolt 7, the mulch film roll is sleeved at one end of the sleeved roller 9, the second connecting plate 8 is connected to the mounting block 6 through the bolt 7 in a threaded manner, so that the two ends of the sleeved roller 9 are limited, the sleeved roller 9 rotates more stably, replacement and disassembly of the mulch film roll can be realized, the mulch film roll is sleeved at one end of the sleeved roller 9, the surface of the extruding strip 11 is extruded, the extruding strip 11 moves towards the inside of the sleeved roller 9 along the movable groove 10 and extrudes the first spring 13, the compressed first spring 13 extrudes the extruding strip 11 outwards through the elastic action, the surface of the extruding strip 11 abuts against the inner wall of the mulch film roll, the mulch film roll cannot rotate relatively on the sleeved roller 9, the first motor 14 drives the first driving wheel 15 on the output shaft to rotate, the first driving wheel 15 at one end of the sleeved roller 9 is driven to rotate through the driving action of the first driving belt 16, the extruding strip 11 moves towards the inside of the sleeved roller 9 along the movable groove 10, the first spring 13 compresses, the compressed first spring 13 presses the surface of the extruding strip 11 abuts against the inner wall of the mulch film roll on the inner wall of the mulch film roll, and the mulch film roll is rotated in the process of the mulch film roll is laid on the ground.

As one embodiment of the invention, the driving mechanism comprises a second motor 17 and two second driving wheels 18, the second motor 17 is fixedly arranged at the bottom of the vehicle body 1, the second driving wheels 18 are respectively and fixedly connected to the output shaft of the second motor 17 and the rotating shaft 4, and the second driving wheels 18 are driven by a second driving belt 19; during operation, the second motor 17 is started, the second motor 17 drives the second driving wheel 18 on the output shaft to rotate, and the second driving wheel 18 on the rotating shaft 4 is driven to rotate through the transmission function of the second driving belt 19, so that the rotating shaft 4 rotates, and the rotary soil collecting mechanism is driven to rotate to collect soil.

As one embodiment of the invention, the rotary soil collecting mechanism comprises two annular shells 20, the annular shells 20 are respectively positioned at two ends of a rotating shaft 4, a plurality of connecting rods 21 are fixedly connected between the annular shells 20 and one end of an adjacent rotating shaft 4, a plurality of partition plates 22 are fixedly connected in the annular shells 20 in a circumferential array, a storage cavity 2001 is formed between the two adjacent partition plates 22, collecting grooves 23 are respectively formed on the surfaces of the annular shells 20 corresponding to the positions of the storage cavities 2001, and soil shovels 24 are fixedly connected at edges of the notch of the collecting grooves 23; during operation, the rotation shaft 4 rotates to drive the connecting rods 21 at two ends to rotate, the connecting rods 21 drive the annular shell 20 to rotate, the annular shell 20 moves to the soil body along with the rotation of the annular shell 20 in the rotating process, the soil lifted up by the soil shovel 24 falls into the accommodating cavity 2001 of the annular shell 20 in the continuing rotating process of the annular shell 20, the soil lifted up by each soil shovel 24 is accommodated and collected, the soil can be rocked in the rotating process, the soil can be vibrated to be loose, and the collecting groove 23 can pour out the soil collected in the collecting groove when rotating to a downward position, the mulching film is covered, damage to the mulching film by massive soil is reduced, the soil can roll easily, the rolling condition of the soil is reduced after the soil is broken, and the mulching film is paved.

As one embodiment of the invention, the crushing bulldozing mechanism comprises a convex ring 25 and a plurality of arc push plates 26, wherein the convex ring 25 is fixedly connected to the side surface of the mounting plate 3, the convex moving surface of the convex ring 25 is provided with a proximal end 2501 and a distal end 2502, the arc push plates 26 are in sliding sealing on the inner wall of the accommodating cavity 2001, a plurality of crushing heads 27 are fixedly connected to the convex surface of the arc push plates 26, round rods 28 are fixedly connected to the concave surfaces of the arc push plates 26, one ends of the round rods 28 penetrate through the inner wall of the annular shell 20 and then extend into the round cavity of the annular shell 20 and are fixedly connected with strip-shaped baffle plates 29, second springs 30 are sleeved on the round rods 28, two ends of each second spring 30 are fixedly connected with the strip-shaped baffle plates 29 and the annular shell 20 respectively, and the surface of one end of each strip-shaped baffle plate 29 is in contact with the surface of the adjacent convex ring 25; during operation, when the annular shell 20 rotates to the protruding position of the protruding ring 25, the distal end 2502 of the protruding ring 25 extrudes the protruding ring 29, so that the protruding ring 29 drives the circular rod 28 to move, and the second spring 30 compresses and deforms, the circular rod 28 drives the adjacent arc push plates 26 to move, the arc push plates 26 push collected soil outwards in the process of moving in the annular shell 20 and push out along the collecting grooves 23, the contact area of the crushing heads 27 on the arc push plates 26 with the mud blocks with larger volume can be reduced, so that the mud blocks are extruded and crushed more easily under the action of pushing force, the volume of the mud blocks is reduced, the damage to the surface of the mulching film when the mud blocks are contacted with the mulching film is reduced, the probability of soil rolling is also reduced, the coverage is more stable, and the protection of the mulching film in the compaction limiting process is improved.

As one embodiment of the invention, the guiding and paving mechanism comprises two fixing rods 31 and a plurality of guiding inclined planes 32, wherein the guiding inclined planes 32 are arranged at one end of each soil spade 24, the fixing rods 31 are fixedly connected to the bottom of the vehicle body 1, one side of the bottom end of each fixing rod 31 is inserted with two limiting pins 33, one ends of the two adjacent limiting pins 33 are fixedly connected with a guiding shell 34 together, the limiting pins 33 are sleeved with third springs 35, two ends of each third spring 35 are fixedly connected to the guiding shell 34 and the fixing rods 31 respectively, and one end of each guiding shell 34 is contacted with the surface of the annular shell 20; during operation, when the annular shell 20 rotates, the soil is pushed out from the collecting groove 23 by the action of the crushing bulldozing mechanism and falls into the adjacent guide shells 34, and slides along the inclined surfaces of the guide shells 34, and finally falls to the upper part of the mulching film for compaction limiting, the guide inclined surface 32 at one end of the soil spade 24 contacts with the guide shells 34 in the process of continuing to rotate, the guide shells 34 move to one side under the extrusion action of the guide inclined surfaces 32, the limiting pins 33 are driven to move, the third springs 35 are compressed and deformed through extrusion, the guide shells 34 and the soil spade 24 are laterally dislocated through the extrusion of the guide inclined surfaces 32 and the guide shells 34 on the soil spade 24, after the soil spade 24 passes through, the elastic action of the third springs 35 enables the guide shells 34 to return and continue to receive the soil, the soil is guided through the guide shells 34, the soil slides along the inclined surfaces of the guide shells 34 and is paved on the mulching film, the paved position and height are controlled, the soil is more uniformly covered, the mulching film compaction limiting is improved, the mulching film is compressed and the soil is compressed and limited, the falling height of the soil is lowered, and the mulching film is protected when the falling height is improved.

As one embodiment of the invention, a mulching film punching mechanism is connected to a vehicle body 1, the mulching film punching mechanism comprises a circular through hole 36 and two hydraulic cylinders 37, the circular through hole 36 is formed in the top of the vehicle body 1, the hydraulic cylinders 37 are fixedly arranged on the top of the vehicle body 1, piston shafts of the hydraulic cylinders 37 penetrate through the surface of the vehicle body 1 and then extend to the lower part of the vehicle body 1 to be fixedly connected with a first long slat 38 together, the top of the first long slat 38 is fixedly connected with an annular cutter 39, and the annular cutter 39 is positioned right below the circular through hole 36; during operation, one end of the mulching film passes through the circular through hole 36 and the annular cutter 39, rolling support of the mulching film supporting mechanism is obtained, then the mulching film supporting mechanism is paved and covered with the ground, when punching is needed, the movement of the vehicle body 1 is stopped, the first motor 14 of the driving mechanism is closed, the hydraulic cylinder 37 is started, a piston rod of the hydraulic cylinder 37 drives the first long slat 38 to move upwards, the annular cutter 39 moves into the circular through hole 36, the mulching film between the circular through hole 36 and the annular cutter 39 is punched, after punching is finished, the piston rod of the hydraulic cylinder 37 drives the first long slat 38 to move reversely, and punching operation is taken down, so that the mulching film is normally unreeled.

As one implementation mode of the invention, the top of the car body 1 is fixedly connected with two first connecting pins 40, the first connecting pins 40 are jointly movably inserted with a second long slat 41, the top of the car body 1 is rotationally connected with a bidirectional screw rod 42, two ends of the bidirectional screw rod 42 are respectively connected with the first long slat 38 and the second long slat 41 in a threaded manner, the inner wall of an annular cutter 39 is fixedly connected with a connecting ring 43, the bottom of the second long slat 41 is fixedly connected with a puncture rod 44, the surface of the puncture rod 44 is fixedly connected with a plurality of rubber rings 45, the bottoms of the rubber rings 45 are respectively provided with a guide cambered surface, the bottoms of the second long slats 41 on two sides of the puncture rod 44 are respectively inserted with a second connecting pin 46, the bottoms of the two second connecting pins 46 on two sides are respectively fixedly connected with an arc-shaped supporting rod 47, the second connecting pins 46 are respectively sleeved with a fourth spring 48, two ends of the fourth spring 48 are respectively fixedly connected with the arc-shaped supporting rod 47 and the second long slat 41, the bottom of the arc-shaped supporting rod 47 is provided with anti-skid threads, the surface of the first long slat 41 is also connected with two mulching film supporting mechanisms on the surface of the first long slat 38, and two mulching film supporting mechanisms are positioned on two sides of the annular cutter 39; when the device is in operation, when the first long slat 38 moves upwards and drives the annular cutter 39 to punch, the first long slat 38 moves upwards and presses the fourth spring 48 through the threaded connection with the bidirectional screw 42, the second long slat 41 pierces and enters the cavity in the center of the connecting ring 43 through the threaded connection with the bidirectional screw 42, the guide cambered surface on the rubber ring 45 can smoothly pass through the rubber ring 45 in the process that the second long slat 41 approaches the first long slat 38, the bottom of the arc-shaped abutting rod 47 is contacted with the round part cut off by the mulching film, the cut-off part is clamped between the arc-shaped abutting rod 47 and the connecting ring 43, and in the moving process, the arc-shaped abutting rod 47 drives the second connecting pin 46 to move upwards and press the fourth spring 48, so that the fourth spring 48 compresses and deforms, the sharp end at the bottom of the piercing rod 44 pierces and enters the cavity in the center of the connecting ring 43, the guide cambered surface on the rubber ring 45 can smoothly pass through the rubber ring 45, the cut-off part of the first long slat 38 and the second long slat 41 are mutually far away from each other after punching, the cut-off part is kept away from the round slat 45, the cut-off part is cut off by the mulching film, and the cut-off part is prevented from entering the soil, and the cut-off part is mixed, and the soil is prevented from entering the cut part, and the soil is produced, and the cut part is cut when the cut off part is formed.

As one embodiment of the present invention, the mulching film supporting mechanism comprises two plugging rods 49, wherein the two plugging rods 49 are slidingly plugged on the surface of the first long slat 38, two ends of each adjacent plugging rod 49 are fixedly connected with cambered surface plates 50 together, two fifth springs 51 are sleeved on the plugging rods 49, two ends of each fifth spring 51 are fixedly connected to the first long slat 38 and the adjacent cambered surface plates 50, annular guide rollers 52 are sleeved on the cambered surface plates 50 at the two ends in a sliding way, and the annular guide rollers 52 are sleeved outside the first long slat 38; during operation, through setting up annular guide roller 52 on first slat 38, be convenient for the plastic film to guide and pass through, when first slat 38 drove annular cutter 39 upward movement, first slat 38 upwards moves along peg graft pole 49, annular guide roller 52 can with the plastic film centre gripping on the bottom surface of automobile body 1 to extrude fifth spring 51 compression set to the top, when making annular guide roller 52 no longer remove, first slat 38 can continue the upward movement, on the one hand provides the ability of stepping down for punching, on the other hand can carry out the centre gripping spacing to the position that does not punch, be favorable to the stability of punching.

A mulching film laying method based on a mulching film laying apparatus for agricultural planting as shown in fig. 1, the method comprising the steps of:

Step one, sleeving a mulching film roll through a mulching film sleeving mechanism, and unreeling the mulching film in the moving process of the vehicle body 1;

The working principle of the invention is as follows:

during operation, the two sides of the mulching film are required to be fixed in the process of paving the mulching film, the mulching film is prevented from being blown up by wind, soil is usually required to be prepared in advance when the mulching film is fixed in the prior art, the two sides of the mulching film paved above the mulching film are compacted in the process of paving, a certain preparation time is required to be consumed for preparing the soil in advance, the soil volume of the compacted mulching film is difficult to control, the thin mulching film is easy to break the mulching film due to impact force in the process of falling and compacting the mud block with larger diameter, the protection effect of the mulching film is reduced, wind can also carry out the mulching film from a break point, the production of crops is not facilitated, the technical scheme can solve the problems, and the specific working mode is that farmers set the mulching film roll through a limiting sleeve through a mulching film sleeving mechanism, then drive a vehicle body 1 to move in a field, the anti-slip wheels 2 on two sides of the vehicle body 1 are positioned in two adjacent drainage ditches of the field, the vehicle body 1 rotates outwards through the action of a mulching film sleeving mechanism in the process of moving the anti-slip wheels 2 and lays in the field, the driving mechanism acts on the rotating shaft 4 and drives the rotating shaft 4 to rotate in the process of mulching film laying, the rotating shaft 4 rotates to drive the rotary soil collecting mechanism to work, the soil on the field surface is excavated and collected in the process of moving the vehicle body 1 through the anti-slip wheels 2, the rotary soil collecting mechanism acts with the crushing bulldozing mechanism in the process of continuing to rotate along with the rotating shaft 4, the crushing bulldozing mechanism crushes the collected soil and discharges the crushed soil from the collecting position, the crushed soil is received by the guiding laying mechanism and is compacted and limited above the mulching film, the collected soil is crushed and particles are reduced, avoid causing great soil block to cause impact and extrusion to the plastic film, and then be favorable to maintaining the integrality of plastic film, and the in-process that covers the plastic film at the hack can be more with the face of plastic film contact, be favorable to the compaction to plastic film border, remove and lay the in-process to the plastic film through automobile body 1, it is spacing to gather earth to carry out the compaction to the plastic film at the in-process that removes, thereby need not prepare earth in advance before laying, the preparation flow before laying has been reduced, work efficiency has been improved, and before the earth covers the plastic film, smash the earth that will collect and guide to the plastic film top through guiding laying mechanism, prevent that the mud block of great volume from destroying the plastic film after smashing the earth, and make the position and the height that the soil whereabouts was covered obtain control through the guide, have the effect of initiative drainage hack, constantly provide the hack to cover the plastic film border at the in-process that removes, be favorable to covering the plastic film border is accurate.

The foregoing has shown and described the basic principles, principal 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 foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The mulching film laying equipment based on agricultural planting comprises a vehicle body (1), wherein two anti-slip wheels (2) are arranged on two sides of the vehicle body (1), and the mulching film laying equipment is characterized in that a mulching film sleeving mechanism is connected to the bottom of the vehicle body (1);

the device is characterized in that two mounting plates (3) are fixedly connected to the bottom of the vehicle body (1), a rotating shaft (4) is rotationally connected between the mounting plates (3), a driving mechanism is connected to the rotating shaft (4), a rotary soil collecting mechanism is connected to the rotating shaft (4), a crushing and soil-pushing mechanism is connected to the mounting plates (3), a guiding and paving mechanism is connected to the bottom of the vehicle body (1), the rotary soil-collecting mechanism is used for collecting soil on the surface of a farmland, the crushing and soil-pushing mechanism is used for crushing and discharging the collected soil, and the guiding and paving mechanism guides the discharged soil to two sides of a mulching film for covering;

The mulching film sleeving mechanism comprises a first connecting plate (5) and a mounting block (6), wherein the first connecting plate (5) is fixedly connected to the bottom of a trolley body (1), the mounting block (6) is fixedly connected to the top of the trolley body (1), a second connecting plate (8) is connected to the mounting block (6) through two bolts (7) in a threaded mode, a sleeving roller (9) is movably spliced between the second connecting plate (8) and the first connecting plate (5), a plurality of movable grooves (10) are formed in the surface of the sleeving roller (9) in a circumferential array, extrusion strips (11) are respectively arranged in the movable grooves (10), rectangular strips (12) are respectively fixedly connected to the sleeving roller (9), two first springs (13) are respectively fixedly connected to the rectangular strips (12) and the extrusion strips (11), a first motor (14) is respectively fixedly arranged at the top of the trolley body (1), an output shaft of the first motor (14) is respectively connected to one end of the sleeving roller (9) through a first transmission wheel (15), and a first transmission belt (15) is respectively arranged between the first transmission wheels (15;

the driving mechanism comprises a second motor (17) and two second driving wheels (18), the second motor (17) is fixedly arranged at the bottom of the vehicle body (1), the second driving wheels (18) are respectively and fixedly connected to an output shaft of the second motor (17) and the rotating shaft (4), and the second driving wheels (18) are in transmission through a second transmission belt (19);

The plastic film punching mechanism is connected to the vehicle body (1), the plastic film punching mechanism comprises a circular through hole (36) and two hydraulic cylinders (37), the circular through hole (36) is formed in the top of the vehicle body (1), the hydraulic cylinders (37) are fixedly installed at the top of the vehicle body (1), piston shafts of the hydraulic cylinders (37) penetrate through the surface of the vehicle body (1) and then extend to the lower part of the vehicle body (1) to be fixedly connected with a first long slat (38) together, the top of the first long slat (38) is fixedly connected with an annular cutter (39), and the annular cutter (39) is located under the circular through hole (36);

the utility model discloses a plastic film mulching machine, which is characterized in that two first connecting pins (40) are fixedly connected with the top of a car body (1), a plurality of rubber rings (45) are fixedly connected with the top of the first connecting pins (40), a second connecting pin (46) is rotatably connected with the top of the car body (1), two ends of the second connecting pin (42) are respectively connected with the first long plate (38) and the second long plate (41) in a threaded manner, a connecting ring (43) is fixedly connected with the inner wall of an annular cutter (39), a puncture rod (44) is fixedly connected with the bottom of the second long plate (41), a plurality of rubber rings (45) are fixedly connected with the surface of the puncture rod (44), guide cambered surfaces are respectively arranged at the bottom of the rubber rings (45), a second connecting pin (46) is respectively inserted on the second long plate (41) at two sides, cambered supporting rods (47) are respectively connected with the bottoms of the two second connecting pins (46), four springs (48) are respectively sleeved on the second connecting pin (46), a plurality of cambered supporting rods (47) are respectively connected with the bottoms of the two long plates (47), two mulching film supporting mechanisms are positioned on two sides of the annular cutter (39);

The mulching film supporting mechanism comprises two inserting rods (49), the two inserting rods (49) are inserted onto the surface of a first long slat (38) in a sliding mode, cambered surface plates (50) are fixedly connected to two ends of each adjacent inserting rod (49) in a common mode, two fifth springs (51) are sleeved on the inserting rods (49), two ends of each fifth spring (51) are fixedly connected to the first long slat (38) and the adjacent cambered surface plates (50), annular guide rollers (52) are sleeved on the cambered surface plates (50) at two ends in a common sliding mode, and the annular guide rollers (52) are sleeved outside the first long slat (38).

2. The mulching film laying equipment based on agricultural planting is used according to claim 1, characterized in that, rotatory album of native mechanism includes two annular casing (20), annular casing (20) are located respectively the both ends of axis of rotation (4), annular casing (20) and adjacent fixedly connected with a plurality of connecting rods (21) between axis of rotation (4) one end, be circumference array fixedly connected with a plurality of division boards (22) in annular casing (20), adjacent two form between division board (22) and accomodate chamber (2001), collecting vat (23) have all been seted up to the position that the surface of annular casing (20) corresponds to accomodate chamber (2001), the equal fixedly connected with soil spade (24) in border department of collecting vat (23) notch.

3. The mulching film laying device based on agricultural planting is characterized in that the crushing bulldozing mechanism comprises a convex ring (25) and a plurality of arc pushing plates (26), the convex ring (25) is fixedly connected to the side face of the mounting plate (3), the convex moving face of the convex ring (25) is provided with a proximal end (2501) and a distal end (2502), the arc pushing plates (26) are in sliding sealing on the inner wall of the containing cavity (2001), a plurality of crushing heads (27) are fixedly connected to the convex face of the arc pushing plates (26), round rods (28) are fixedly connected to the concave face of the arc pushing plates (26), one ends of the round rods (28) penetrate through the inner wall of the annular shell (20) and then extend into the round cavity of the annular shell (20) and are fixedly connected with strip-shaped baffles (29), second springs (30) are sleeved on the round rods (28), and two ends of each second spring (30) are respectively connected with the annular baffles (29) and the adjacent surfaces of the round rods (29) and the strip-shaped baffles (25).

4. A mulching film laying device based on agricultural planting is used according to claim 3, characterized in that, guide laying mechanism includes two dead levers (31) and a plurality of guide inclined planes (32), guide inclined planes (32) are seted up at every one end of soil spade (24), dead lever (31) all fixed connection is in the bottom of automobile body (1), two spacer pins (33) have all been pegged graft to one side of dead lever (31) bottom, two adjacent one end of spacer pin (33) is fixedly connected with guide housing (34) jointly, all overlap on spacer pin (33) and be equipped with third spring (35), the both ends of third spring (35) are fixed connection respectively on guide housing (34) and dead lever (31), the one end of guide housing (34) with the surface of annular housing (20) contacts.

5. A mulching film laying method based on a mulching film laying device for agricultural planting, which is applicable to the mulching film laying device for agricultural planting according to any one of claims 1 to 4, characterized in that the method comprises the following steps:

step one, sleeving a mulching film roll through a mulching film sleeving mechanism, and unreeling the mulching film in the moving process of a vehicle body (1);