CN113853934B - Wheat crop weeding device - Google Patents
Wheat crop weeding device Download PDFInfo
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- CN113853934B CN113853934B CN202111292169.5A CN202111292169A CN113853934B CN 113853934 B CN113853934 B CN 113853934B CN 202111292169 A CN202111292169 A CN 202111292169A CN 113853934 B CN113853934 B CN 113853934B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/14—Mowers combined with apparatus performing additional operations while mowing with dispensing apparatus, e.g. for fertilisers, herbicides or preservatives
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/02—Apparatus for mechanical destruction
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
- A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity
- A01M21/043—Apparatus for destruction by steam, chemicals, burning, or electricity by chemicals
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Abstract
The invention relates to the technical field of wheat crop weeding devices, in particular to a wheat crop weeding device which comprises a moving frame, wherein a moving plate is connected to the front face of the moving frame in a sliding mode in the vertical direction, a height adjusting device is connected between the moving plate and the moving frame and used for adjusting the height of the moving plate, and two symmetrically arranged connecting frames are connected to the front face of the moving plate in a sliding mode in the transverse direction. When the diversion channel widen, can adjust the interval of two links through indirect adjustment mechanism, drive two connecting plates in step and adjust the interval, first careless straight sword between two connecting plates follows the movable plate to remove, transversely take place the skew between the first careless straight sword that two intervals set up, the cutting range of the upset cutting of whole first careless straight sword has been increased, and whole weeding in-process can not take place to leak the problem of cutting at rotatory weeding in-process, can carry out the adaptability adjustment according to the change of drainage channel, facilitate the use.
Description
Technical Field
The invention relates to the field of wheat crop weeding devices, in particular to a wheat crop weeding device.
Background
Before wheat is planted, if weeds in a planting field are not cleared, the growth of the weeds can absorb a large amount of nutrient substances in the planting field, so that the growth of the wheat is seriously affected and the growth vigor is poor, and therefore, before the wheat is planted, the weeds in the planting field need to be removed.
The prior art discloses some patent documents about weeding device, and chinese patent that application number is 202022509823.0 discloses a wheat is planted and is used weeds weeding device, including support, handle, cut wheel, gyro wheel and servo motor, the handle rotates the side of connecting at the support, it rotates on the lower plate of connection at the support to cut the wheel, gyro wheel fixed connection is in the left and right sides of support lower extreme, servo motor's the back has cup jointed first belt, the right side wall of support rotates and is connected with the carousel, the front fixedly connected with cylinder piece of carousel, the right side wall of support just is close to the lower extreme fixedly connected with spacing frame of carousel.
Among the prior art, when weeding to the wheat field, the size of the leading water channel of seting up in the wheat field takes place spatial variation because rain impact or long-term soil property deposit to the size that the leading water channel of self was seted up also has the deviation, and current weeding device structure is fixed relatively, is not convenient for change the weeding span according to the change of actual leading water channel, thereby causes the improper problem of weeding span, influences the quality of weeding.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a wheat crop weeding device.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a wheat crop weeding device comprises a moving frame, wherein a moving plate is connected to the front of the moving frame in a sliding mode in the up-down direction, a height adjusting device is connected between the moving plate and the moving frame and used for adjusting the height of the moving plate, two symmetrically-arranged connecting frames are connected to the front of the moving plate in a sliding mode in the transverse direction, an interval adjusting mechanism is connected between the two connecting frames, the bottom ends of the two connecting frames are connected with a weeding mechanism together, the weeding mechanism comprises two connecting plates which are fixedly connected to the bottom ends of the two connecting frames respectively, the inner side faces of the two connecting plates are connected with circular frames in a rotating mode, telescopic shafts are fixedly connected to the centers of the two circular frames together, first straight grass knives distributed in an annular array mode are fixedly connected to the side faces of the circular frames, the first straight grass knives on the two circular frames are arranged in a staggered mode on an annular track at intervals, connecting rods are inserted into the side faces of the first straight grass knives in a sliding mode, one end, far away from the first straight grass knives, is fixedly connected to the surface of the opposite circular frame, a first motor is fixedly connected to the side faces of one connecting plate, and the output end of the first motor is coaxially and fixedly connected with the connecting plates; the during operation, prior art, when weeding the wheat field, the size of the diversion channel of seting up in the wheat field takes place spatial variation because rain impact or long-term soil property deposit in rainy day, and the diversion channel of itself is also had the deviation by the size of being left out, and current weeding device structure is fixed relatively, be not convenient for change the weeding span according to the change of actual diversion channel, thereby cause the unsuitable problem of weeding span, influence the quality of weeding, this technical scheme can solve above-mentioned problem, concrete working method is as follows, when the diversion channel widen, can adjust the interval of two links through indirect adjustment mechanism, drive two connecting plates adjust the interval in step, first grass straight sword between two connecting plates follows and removes, the lateral shifting board takes place the skew between the first grass straight sword of two interval settings, the cutting range of the upset cutting of whole first grass straight sword has been increased, and whole weeding in-process can not take place to leak the problem of cutting at the in-process of rotatory weeding, can carry out adaptability adjustment according to the change of diversion channel, and convenient to use.
Preferably, the height adjusting device comprises two supporting slide bars and a first threaded rod, the two supporting slide bars are fixedly connected to the front side of the moving frame, the two supporting slide bars are inserted on the moving plate in a penetrating and sliding mode, the first threaded rod penetrates through the moving plate and is in threaded connection with the moving plate, the top end of the first threaded rod penetrates through the moving frame and then is fixedly connected with a second motor, and the second motor is fixedly installed at the top of the moving frame; during the operation, when the height of this weeding device need be adjusted, through starting the second motor, the second motor drives first threaded rod and rotates, and the external screw thread drive movable plate of first threaded rod removes to the realization is to the altitude mixture control of movable plate, and the movable plate drives weeding mechanism in step and carries out altitude mixture control, thereby has realized the altitude mixture control to weeding mechanism, is favorable to adjusting weeding mechanism to suitable station, and when idle, will weed the rising of mechanism, breaks away from ground.
Preferably, the distance adjusting mechanism is a bidirectional screw, two ends of the bidirectional screw respectively penetrate through the two connecting frames, thread surfaces on two sides of the bidirectional screw are in threaded connection with the connecting frames on the same side, and the middle position of the bidirectional screw is rotatably connected to the front surface of the moving plate; the during operation, when needing the weeding scope of adjustment weeding mechanism, manual rotation two-way screw rod, two link synchronous facies of screw thread meeting synchronous drive of two link or removal dorsad to can adjust the interval of two links, in step, the link can drive the connecting plate and remove, the interval of two connecting plates can obtain the adjustment, the connecting plate drives the straight sword of first grass of both sides in step and removes, the span of the straight sword of whole first grass increases, thereby realized the effect that increases the weeding scope.
Preferably, the weeding mechanism further comprises a turnover frame and two arc-shaped shielding plates, the turnover frame is hinged to the bottom end of the side face of the connecting plate, the turnover frame is of a U-shaped structure, the inner side face of the turnover frame is connected with a mounting frame in a sliding mode, a weeding wheel is connected to the mounting frame in a rotating mode, the weeding wheel is provided with a second grass straightening knife, a third motor is coaxially and fixedly connected to the top end of the weeding wheel, the third motor is fixedly mounted at the top of the mounting frame, a push-pull mechanism is connected between the mounting frame and the turnover frame and used for moving the mounting frame to the outside of the turnover frame, a linkage plate is fixedly connected to the back face of the mounting frame, an inclined waist groove is formed in the surface of the linkage plate, a linkage pin is connected to the inner wall of the inclined waist groove in a sliding mode, a connecting slide block is fixedly connected to the surface of the linkage pin, the connecting slide block is connected to the side face of the connecting plate in an up-down direction in a sliding mode, a connecting rail is transversely connected to the bottom end of the connecting slide block in a sliding mode, the connecting rail is fixedly connected to the front side face of the turnover frame, and the two arc-shaped shielding plates are fixedly connected to the front end and the back end of the side face of the turnover frame; the during operation, because the drainage way in the field often comprises the domatic of horizontal bottom surface and both sides, weeding mechanism weeding mode is single, can only weed to the horizontal plane, it clears up domatic grass to need the slope to remove, it is comparatively troublesome to operate, be not convenient for clear up drainage way domatic, this technical scheme can solve above-mentioned problem, reduce the in-process that weeds to ground when height adjusting mechanism and carry out the weeding to the mechanism, connecting plate relative link block downwardly moving, the linkage round pin of link block tip can act on the cell wall of the slope waist groove on linkage plate surface, promote the linkage plate outside, the linkage plate drives the upset of roll-over stand in step, the roll-over stand drives the synchronous upset of mounting bracket, the mounting bracket drives the synchronous upset of weeding wheel and contacts with the slope face of drainage way, start the third motor drives the rotation of weeding wheel, the second grass straight sword on the weeding wheel clears up the grass on the drainage way slope face, the weeding scope of weeding mechanism has been increased, can realize the synchronous clearance to the horizontal plane and the slope face of drainage way in step, it is more comprehensive to the grass clearance in the drainage way.
Preferably, the push-pull mechanism comprises an inclined guide plate, guide wheels, two traction rods, two arc-shaped shielding plates and an elastic support mechanism, the inclined guide plate is fixedly connected to the inner side surface of the roll-over stand near the bottom end, one ends of the two traction rods are respectively and rotatably connected to the bottom ends of the front side and the rear side of the roll-over stand, the other ends of the traction rods are respectively and rotatably connected with the guide wheels, a traction sliding block is jointly and rotatably connected between the two guide wheels, the traction sliding block is vertically and slidably connected to the side wall of the mounting rack, and the elastic support mechanism is connected between the mounting rack and the roll-over stand; the during operation, when weeding when accomplishing, when need to idle weeding device, the arc shielding plate of both sides can shelter from the weeding wheel, avoid removing in-process side and colliding with outside agricultural implement, when needs weed, the in-process that the frame upset slope was removed in the slope, the guide wheel can be held to the traction lever, the guide wheel can move on the inclined plane of slope guide board, the guide wheel drives the slider removal that pulls in step, pull the slider and pull the mounting bracket, the mounting bracket can drive the weeding wheel in step and shift out the arc shielding plate, the cancellation is sheltered from.
Preferably, the elastic support mechanism comprises a mounting groove, the mounting groove is formed in the inner side face of the roll-over stand, a support spring is fixedly connected to the inner wall of the mounting groove, and the telescopic end of the support spring is fixedly connected to the side face of the mounting frame; when the turnover frame works, the supporting spring is arranged, when the inclination angle of the slope surface of the drainage channel is changed and the acting force between the second grass straightening knife and the slope surface is overlarge, the supporting spring can elastically stretch out and draw back, so that the whole body of the second grass straightening knife and the weeding wheel can be automatically adjusted in an adaptive manner, the phenomenon that the whole turnover frame is blocked due to overlarge acting force is avoided, when the whole turnover frame is turned over and reset, under elastic support mechanism's reset action, can draw the mounting bracket to reset, the mounting bracket drives and pulls the slider to reset, pulls the slider synchronous drive traction lever to reset to the realization is to accomodating of whole weeding wheel, makes the arc shielding plate continue to shelter from the protection to the weeding wheel, avoids causing collision damage to the weeding wheel at other agricultural implement of removal in-process.
Preferably, the back of the moving frame is provided with a pesticide spraying mechanism, the pesticide spraying mechanism is used for spraying a weeding pesticide to a weeding position, the pesticide spraying mechanism comprises a pesticide box, two pumping mechanisms and a spraying pipe, the pesticide box is fixedly connected to the back of the moving frame, the two pumping mechanisms are respectively connected to opposite surfaces of two connecting plates, the pumping mechanisms are communicated with the pesticide box through pipelines, the spraying pipe is fixedly connected to the front side of the moving frame and is in sliding insertion connection with the connecting plates, two ends and the bottom surface of the spraying pipe are fixedly communicated with pesticide spraying heads, and the spraying pipe is communicated with the pumping mechanisms on two sides; the during operation, because the weeding back, grass seeds and grass root can scatter in the drainage way, if in time rainy, grass roots and grass seeds are buried by the hack and still can sprout the growth again, influence the weeding effect, above-mentioned problem can be solved to this technical scheme, specific working method is as follows, moving the frame and removing the in-process, pumping mechanism can pump the herbicide pump of medicament incasement to the injection pipe in, and spray away the medicament through the spray nozzle and spray the herbicide to the grass of removing, make the grass and the grass seeds of being removed carry out further injury by the herbicide.
Preferably, the pumping mechanism comprises a pumping box and two arc-shaped racks, the pumping box is fixedly connected to the side face of the connecting plate, two sides of the bottom of the pumping box are respectively communicated with the injection pipe in a drainage one-way mode and the chemical box in a water inlet one-way mode through two pipelines, a piston slides on the inner wall of the pumping box in a sealing mode, the bottom of the piston is fixedly connected with a movable rod, a reset spring is sleeved on the surface of the movable rod, two ends of the reset spring are respectively and fixedly connected to the bottom and the top of the inner wall of the pumping box, the top end of the movable rod penetrates through the pumping box and then is fixedly connected with a linkage rack, and the two arc-shaped racks are respectively and fixedly connected to the top and the bottom of the circular frame; the during operation, at the in-process that weeding mechanism was weeded, first motor can drive the round frame and rotate, the round frame can drive the arc rack removal simultaneously, when the arc rack removed the position to the linkage rack, the arc rack can drive linkage rack rebound, the linkage rack drives the movable rod rebound in step, the movable rod drives the piston rebound in step and compresses reset spring in step, the piston can inhale the herbicide of medicament case in the pumping case, after the arc rack breaks away from the linkage rack, under reset spring's reset action, the piston can be released the medicament in the pumping case and carry the medicament to the injection pipe, and discharge through the sprinkler bead, realize spraying the herbicide in the drainage way, automatic spraying medicament when realizing weeding.
Preferably, the surface of the moving frame is fixedly connected with a handrail frame, and the top end of the handrail frame is fixedly connected with a handle; when the movable frame works, the handle and the armrest frame are arranged, so that the movable frame is conveniently pushed.
Preferably, rolling support parts are fixedly mounted at two ends of the bottom of the movable frame, and the rolling support parts are support wheels; during operation, the movable frame is conveniently moved by arranging the supporting wheels.
Compared with the prior art, the invention has the following beneficial effects:
1. when the diversion channel widen, can adjust the interval of two links through indirect adjustment mechanism, two connecting plate adjustment interval of synchronous drive, first careless straight sword between two connecting plates follows the movable plate to remove, transversely take place the skew between the first careless straight sword that two intervals set up, the cutting range of the upset cutting of whole first careless straight sword has been increased, and whole weeding in-process can not take place to leak the problem of cutting at the in-process of rotatory weeding, can carry out the adaptability adjustment according to the change of diversion channel, and convenient to use.
2. When height adjusting mechanism will weed the mechanism and reduce to ground and carry out the in-process of weeding, connecting plate relative link block moves down, the linkage round pin of link block tip can act on the cell wall of the slope waist groove on link plate surface, promote the linkage board to the outside, the linkage board drives the roll-over stand upset in step, the roll-over stand drives the synchronous upset of mounting bracket, the mounting bracket drives the synchronous upset of weeding wheel and contacts with the slope of drainage way, start the third motor, the third motor drives the rotation of weeding wheel, the grass of the second grass on the weeding wheel on to the slope of drainage way is cleared up, the weeding scope of weeding mechanism has been increased, can realize the synchronous clearance to the horizontal plane and the slope of drainage way in step, it is more comprehensive to clear up the grass in the drainage way.
3. In the moving process of the moving frame, the pumping mechanism pumps the herbicide in the chemical box into the spraying pipe, and sprays the herbicide out through the herbicide spraying head to spray the herbicide on the removed grass, so that the removed grass and grass seeds are further damaged by the herbicide.
4. In the weeding in-process of weeding mechanism, first motor can drive the round frame and rotate, the round frame can drive the arc rack removal simultaneously, when the arc rack removes the position to the linkage rack, the arc rack can drive linkage rack rebound, the linkage rack drives the movable rod rebound in step, the movable rod drives the piston rebound in step and compresses reset spring in step, the piston can inhale the herbicide of medicament case in the pumping case, after the arc rack breaks away from the linkage rack, under reset spring's reset action, the piston can be released the medicament in the pumping case and carry the medicament to the injection pipe in, and discharge through the sprinkler bead, realize spraying the herbicide in the drainage way, realize spraying the medicament automatically when weeding.
Drawings
FIG. 1 is a schematic view of a first general structure of the present invention;
FIG. 2 is a partial enlarged view of portion A of FIG. 1;
FIG. 3 is a second general structural schematic of the present invention;
FIG. 4 is a third general structural view of the present invention (with one of the connecting plates hidden);
FIG. 5 is a schematic view of a first configuration of the invention after two webs have been exploded;
FIG. 6 is a schematic view of a second embodiment of the invention after two webs have been exploded;
FIG. 7 is a schematic structural view of the connection between the connection plate and the roll-over stand in the present invention;
FIG. 8 is a schematic view of the construction of the mount of the present invention;
fig. 9 is a schematic view of the structure of the spraying mechanism of the present invention.
In the figure: 1. a movable frame; 2. moving the plate; 3. a connecting frame; 4. a connecting plate; 5. a circular frame; 6. a first grass straightening knife; 7. a connecting rod; 8. a first motor; 9. supporting the sliding rod; 10. a first threaded rod; 11. a second motor; 12. a bidirectional screw; 13. a roll-over stand; 14. a mounting frame; 15. a weeding wheel; 16. a second grass straightening knife; 17. a third motor; 18. a linkage plate; 19. a linkage pin; 20. connecting the sliding block; 21. connecting rails; 22. an inclined guide plate; 23. a guide wheel; 24. a draw bar; 25. a traction slide block; 26. mounting grooves; 27. a support spring; 28. a kit; 29. an injection pipe; 30. a pesticide spraying head; 31. a pumping tank; 32. an arc-shaped rack; 33. a piston; 34. a movable rod; 35. a return spring; 36. a linkage rack; 37. an armrest frame; 38. a handle; 39. a support wheel; 40. an arc-shaped shielding plate; 41. a telescopic shaft.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 9, a wheat crop weeding device comprises a moving frame 1, a moving plate 2 is slidably connected to the front of the moving frame 1 in the up-down direction, a height adjusting device is connected between the moving plate 2 and the moving frame 1 and used for adjusting the height of the moving plate 2, two symmetrically arranged connecting frames 3 are slidably connected to the front of the moving plate 2 in the transverse direction, an interval adjusting mechanism is connected between the two connecting frames 3, the bottom ends of the two connecting frames 3 are commonly connected with a weeding mechanism, the weeding mechanism comprises two connecting plates 4, the two connecting plates 4 are fixedly connected to the bottom ends of the two connecting frames 3 respectively, the inner side surfaces of the two connecting plates 4 are rotatably connected with a circular frame 5, a telescopic shaft 41 is fixedly connected to the center of the two circular frames 5, the side surfaces of the circular frames 5 are fixedly connected with first straight grass cutters 6 distributed in an annular array, the first straight grass cutters 6 on the two circular frames 5 are staggered on an annular track at intervals, a connecting rod 7 is slidably inserted into the side surface of the first straight grass cutter 6, one end of the connecting rod 7, which is far away from the first straight grass cutter 6, the surface of the first connecting plate 4 is fixedly connected with a coaxial motor 8, and an output end of the telescopic shaft 41 is connected with the motor; the during operation, prior art, when weeding the wheat field, the size of the leading water channel of seting up in the wheat field takes place spatial variation because rain impact or long-term soil property deposit, and the size that the leading water channel of itself was given out also has the deviation, and current weeding device structure is fixed relatively, be not convenient for change the weeding span according to the change of actual leading water channel, thereby cause the improper problem of weeding span, influence the quality of weeding, this technical scheme can solve above-mentioned problem, concrete working method is as follows, when leading water channel widen, can adjust the interval of two links 3 through indirect adjustment mechanism, drive two connecting plates 4 alignment interval in step, first grass straight sword 6 between two connecting plates 4 follows movable plate 2 and removes, transversely take place the skew between the first grass straight sword 6 that two intervals set up, the cutting range of the upset cutting of whole first grass straight sword 6 has been increased, and whole weeding in-process can not take place to leak the problem of cutting at the rotatory weeding, can carry out the adaptability adjustment according to the change of leading water channel, and convenience is used.
As an embodiment of the invention, the height adjusting device comprises two supporting slide bars 9 and a first threaded rod 10, the two supporting slide bars 9 are fixedly connected to the front of the moving frame 1, the two supporting slide bars 9 are both inserted on the moving plate 2 in a penetrating and sliding manner, the first threaded rod 10 penetrates through the moving plate 2 and is in threaded connection with the moving plate 2, the top end of the first threaded rod 10 penetrates through the moving frame 1 and then is fixedly connected with a second motor 11, and the second motor 11 is fixedly installed at the top of the moving frame 1; the during operation, when needing to adjust this weeding device's height, through starting second motor 11, second motor 11 drives first threaded rod 10 and rotates, and the external screw thread drive movable plate 2 of first threaded rod 10 removes to the realization is to the altitude mixture control of movable plate 2, and 2 synchronous drive weeding mechanisms of movable plate carry out altitude mixture control, thereby realized the altitude mixture control to weeding mechanism, be favorable to adjusting weeding mechanism to suitable station, and when idle, rise weeding mechanism, break away from ground.
As an embodiment of the present invention, the spacing adjustment mechanism is a bidirectional screw 12, two ends of the bidirectional screw 12 respectively penetrate through the two connecting frames 3, and thread surfaces on two sides of the bidirectional screw 12 are in threaded connection with the connecting frames 3 on the same side, and the middle position of the bidirectional screw 12 is rotatably connected to the front surface of the moving plate 2; the during operation, when needing the weeding scope of adjustment weeding mechanism, manual rotation two-way screw rod 12, the screw thread of two-way screw rod 12 can two link 3 synchronous phase of synchronous drive or move dorsad, thereby can adjust the interval of two link 3, in step, link 3 can drive connecting plate 4 and remove, the interval of two connecting plates 4 can be adjusted, connecting plate 4 drives the first careless straight sword 6 removal of both sides in step, the span of whole first careless straight sword 6 increases, thereby the effect of increase weeding scope has been realized.
As an implementation mode of the invention, the weeding mechanism further comprises a roll-over stand 13 and two arc-shaped shielding plates 40, the roll-over stand 13 is hinged to the bottom end of the side surface of the connecting plate 4, the roll-over stand 13 is of a U-shaped structure, the inner side surface of the roll-over stand 13 is connected with a mounting rack 14 in a sliding manner, the mounting rack 14 is connected with a weeding wheel 15 in a rotating manner, the weeding wheel 15 is provided with a second grass straight knife 16, the top end of the weeding wheel 15 is coaxially and fixedly connected with a third motor 17, the third motor 17 is fixedly mounted at the top of the mounting rack 14, a push-pull mechanism is connected between the mounting rack 14 and the roll-over stand 13 and used for moving the mounting rack 14 to the outside of the roll-over stand 13, the back surface of the mounting rack 14 is fixedly connected with a linkage plate 18, an inclined waist groove is formed in the surface of the linkage plate 18, a linkage pin 19 is connected on the inner wall of the inclined waist groove in a sliding manner, a connecting slide block 20 is fixedly connected on the surface of the linkage pin 19, the connecting slide block 20 is connected to the side surface in an up-down direction in a sliding manner and is connected to the side surface of the connecting plate 4, the connecting block 20, a connecting rail 21 is transversely connected in a sliding manner, the front side surface of the connecting block 21 is fixedly connected to the moving frame 1, and back end of the two arc-and back shielding plates 40; the during operation, because the drainage way in the field often comprises the domatic of horizontal bottom surface and both sides, weeding mechanism weeding mode is single, can only weed to the horizontal plane, it clears up domatic grass to need the slope to remove, it is comparatively troublesome to operate, be not convenient for clear up drainage way domatic, this technical scheme can solve above-mentioned problem, reduce the in-process that weeds to ground carries out the weeding to the mechanism when height adjusting mechanism, connecting plate 4 moves down relatively link block 20, link pin 19 of link block 20 tip can act on the cell wall of the slope waist groove on linkage plate 18 surface, promote linkage plate 18 to the outside, linkage plate 18 drives roll-over stand 13 upset in step, roll-over stand 13 drives mounting bracket 14 and overturns in step, mounting bracket 14 drives the synchronous upset of weeding wheel 15 and contacts with the slope of drainage way, start third motor 17, third motor 17 drives weeding wheel 15 and rotates, the second grass straight sword 16 on the weeding wheel 15 clears up the grass on the slope of drainage way, weeding mechanism's weeding scope has been increased, can realize the synchronous clearance of drainage way and the slope of slope in step, the horizontal plane of drainage way is more comprehensive to the clearance of drainage way.
As an embodiment of the invention, the push-pull mechanism comprises an inclined guide plate 22, guide wheels 23, two traction rods 24, two arc-shaped shielding plates 40 and an elastic support mechanism, wherein the inclined guide plate 22 is fixedly connected to the position close to the bottom end of the inner side surface of the roll-over stand 13, one ends of the two traction rods 24 are respectively and rotatably connected to the bottom ends of the front side and the rear side of the roll-over stand 13, the other ends of the traction rods 24 are respectively and rotatably connected with the guide wheels 23, a traction sliding block 25 is jointly and rotatably connected between the two guide wheels 23, the traction sliding block 25 is connected to the side wall of the mounting frame 14 in an up-down direction in a sliding manner, and the elastic support mechanism is connected between the mounting frame 14 and the roll-over stand 13; the during operation, when weeding when accomplishing, need to carry out when idle to weeding device, the arc shielding plate 40 of both sides can shelter from weeding wheel 15, avoid removing in-process side and outside farm implement and collide with, when needs weed, the in-process that the slope removed frame 1 upset slope, guide wheel 23 can be held to traction lever 24, guide wheel 23 can move on to the inclined plane of slope guide board 22, guide wheel 23 drives in step and pulls slider 25 and remove, pull slider 25 and pull mounting bracket 14, mounting bracket 14 can drive weeding wheel 15 synchronously and shift out arc shielding plate 40, the cancellation is sheltered from.
As an embodiment of the invention, the elastic supporting mechanism comprises a mounting groove 26, the mounting groove 26 is arranged on the inner side surface of the roll-over stand 13, a supporting spring 27 is fixedly connected on the inner wall of the mounting groove 26, and the telescopic end of the supporting spring 27 is fixedly connected on the side surface of the mounting frame 14; during operation, through setting up supporting spring 27, when drainage way slope inclination changes, second grass straightening sword 16 and the too big time of slope effort, supporting spring 27 can carry out elastic expansion, make the whole of second grass straightening sword 16 and weeding wheel 15 carry out automatic adaptability adjustment, avoid the effort too big and cause the card to die, when whole roll-over stand 13 upset resets, under elastic support mechanism's reset action, can draw and drag mounting bracket 14 to reset, mounting bracket 14 drives and pulls slider 25 to reset, it resets to pull slider 25 synchronous drive traction lever 24, thereby realize accomodating whole weeding wheel 15, make arc shielding plate 40 continue to shelter from the protection to weeding wheel 15, avoid removing in-process other agricultural implement and lead to the fact collision damage to weeding wheel 15.
As an embodiment of the invention, a spraying mechanism is arranged on the back of the movable frame 1, the spraying mechanism is used for spraying weeding agents to weeding positions, the spraying mechanism comprises a chemical box 28, two pumping mechanisms and a spraying pipe 29, the chemical box 28 is fixedly connected to the back of the movable frame 1, the two pumping mechanisms are respectively connected to opposite surfaces of the two connecting plates 4, the pumping mechanisms are communicated with the chemical box 28 through pipelines, the spraying pipe 29 is fixedly connected to the front side of the movable frame 1 and is in sliding insertion connection with the connecting plates 4, two ends and the bottom surface of the spraying pipe 29 are fixedly communicated with a chemical spraying head 30, and the spraying pipe 29 is communicated with the pumping mechanisms on the two sides; during operation, because the weeding back, grass seeds and grass roots can scatter in the drainage way, if in time rainy, grass roots and grass seeds are buried by the hack and still can sprout the growth again, influence the weeding effect, above-mentioned problem can be solved to this technical scheme, specific working method is as follows, moving frame 1 and removing the in-process, pumping mechanism can pump the herbicide pump of in the medicament case 28 to the injection pipe 29 in to spray away the medicament through spraying medicine head 30 and spray the herbicide to the grass of removing, make the grass and the grass seeds of being removed carry out further injury by the herbicide.
As an embodiment of the present invention, the pumping mechanism includes a pumping box 31 and two arc-shaped racks 32, the pumping box 31 is fixedly connected to the side surface of the connecting plate 4, two sides of the bottom of the pumping box 31 are respectively in one-way drainage communication with the injection pipe 29 and in one-way water inlet communication with the chemical tank 28 through two pipelines, a piston 33 is hermetically slid on the inner wall of the pumping box 31, the bottom of the piston 33 is fixedly connected with a movable rod 34, a return spring 35 is sleeved on the surface of the movable rod 34, two ends of the return spring 35 are respectively and fixedly connected to the bottom and the top of the inner wall of the pumping box 31, the top end of the movable rod 34 penetrates through the pumping box 31 and then is fixedly connected with a linkage rack 36, and the two arc-shaped racks 32 are respectively and fixedly connected to the top and the bottom of the circular frame 5; during operation, in the weeding process of the weeding mechanism, the first motor 8 can drive the circular frame 5 to rotate, the circular frame 5 can synchronously drive the arc-shaped rack 32 to move, when the arc-shaped rack 32 moves to the position of the linkage rack 36, the arc-shaped rack 32 can drive the linkage rack 36 to move upwards, the linkage rack 36 synchronously drives the movable rod 34 to move upwards, the movable rod 34 synchronously drives the piston 33 to move upwards and synchronously compress the return spring 35, the piston 33 can suck the herbicide in the herbicide box 28 into the pumping box 31, after the arc-shaped rack 32 is separated from the linkage rack 36, under the reset action of the return spring 35, the piston 33 can push out the herbicide in the pumping box 31 and convey the herbicide into the injection pipe 29, and the herbicide is discharged through the herbicide spraying head 30 to spray the herbicide in the drainage channel, and the automatic herbicide spraying during weeding is realized.
As an embodiment of the present invention, an armrest frame 37 is fixedly connected to the surface of the moving frame 1, and a handle 38 is fixedly connected to the top end of the armrest frame 37; during operation, the handle 38 and the armrest frame 37 are arranged, so that the movable frame 1 can be conveniently pushed.
As an embodiment of the present invention, rolling support parts are fixedly installed at both ends of the bottom of the moving frame 1, and the rolling support parts are support wheels 39; during operation, the supporting wheels 39 are arranged, so that the movable frame 1 is convenient to move.
The working principle of the invention is as follows:
in operation, prior art, when weeding the wheat field, the size of the diversion channel of seting up in the wheat field takes place spatial variation because rain water impact or long-term soil property deposit, and the diversion channel of itself is also had the deviation by the size of being left out, and current weeding device structure is relatively fixed, be not convenient for change the weeding span according to the change of actual diversion channel, thereby cause the improper problem of weeding span, influence the quality of weeding, this technical scheme can solve above-mentioned problem, concrete working method is as follows, when the diversion channel widen, can adjust the interval of two link 3 through indirect adjustment mechanism, drive two connecting plates 4 regulation interval in step, first grass straight sword 6 between two connecting plates 4 follows the movable plate 2 and removes, transversely take place the skew between the first grass straight sword 6 that two intervals set up, the cutting range of the upset cutting of whole first grass straight sword 6 has been increased, and the problem that the rotatory weeding in-process can not take place to leak the cutting at whole weeding process, can carry out adaptability adjustment according to the change of diversion channel, and convenience is used.
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, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. The wheat crop weeding device comprises a moving frame (1), and is characterized in that a moving plate (2) is connected to the upper and lower sides of the front of the moving frame (1) in a sliding manner, a height adjusting device is connected between the moving plate (2) and the moving frame (1), the height adjusting device is used for adjusting the height of the moving plate (2), two connecting frames (3) are symmetrically arranged and connected to the front of the moving plate (2) in a transverse sliding manner, an interval adjusting mechanism is connected between the two connecting frames (3), two weeding mechanisms are connected to the bottom ends of the connecting frames (3) together, each weeding mechanism comprises two connecting plates (4), two connecting plates (4) are fixedly connected to the bottom ends of the two connecting frames (3) respectively, the inner side faces of the two connecting plates (4) are connected with a circular frame (5) in a rotating manner, telescopic shafts (41) are fixedly connected to the centers of the two circular frames (5), first grass straight knives (6) distributed in an annular array manner are fixedly connected to the side faces of the circular frames (5), and the first grass knives (6) are arranged between the two adjacent straight knives (6) in a staggered manner, the side surface of the first straight grass cutter (6) is inserted with a connecting rod (7) in a sliding mode, one end, far away from the first straight grass cutter (6), of the connecting rod (7) is fixedly connected to the surface of the opposite round frame (5), the side surface of one connecting plate (4) is fixedly connected with a first motor (8), and the output end of the first motor (8) is coaxially and fixedly connected with a telescopic shaft (41);
the weeding mechanism further comprises a turning frame (13) and two arc-shaped shielding plates (40), the turning frame (13) is hinged to the bottom end of the side face of the connecting plate (4), the turning frame (13) is of a U-shaped structure, the inner side face of the turning frame (13) is connected with a mounting frame (14) in a sliding mode, a weeding wheel (15) is connected to the mounting frame (14) in a rotating mode, the weeding wheel (15) is provided with a second grass straight knife (16), the top end of the weeding wheel (15) is coaxially and fixedly connected with a third motor (17), the third motor (17) is fixedly mounted at the top of the mounting frame (14), a push-pull mechanism is connected between the mounting frame (14) and the turning frame (13) and used for moving the mounting frame (14) to the outside of the turning frame (13), the back face of the mounting frame (14) is fixedly connected with a linkage plate (18), an inclined waist groove is formed in the surface of the linkage plate (18), a linkage pin (19) is connected to the inner wall of the inclined waist groove in a sliding mode, a sliding mode is connected to the linkage pin (19) in the surface, the slider (20) is connected to the sliding mode, the slider (21) is connected to the side face of the connecting plate (4) in the sliding mode, and is connected to the connecting plate (21) in the bottom end of the connecting plate (1) in the sliding mode, the two arc-shaped shielding plates (40) are fixedly connected to the front end and the rear end of the side surface of the roll-over stand (13);
the push-pull mechanism comprises an inclined guide plate (22), guide wheels (23), two traction rods (24), two arc-shaped baffle plates (40) and an elastic support mechanism, wherein the inclined guide plate (22) is fixedly connected to the position, close to the bottom end, of the inner side face of the roll-over stand (13), one ends of the two traction rods (24) are respectively rotatably connected to the bottom ends of the front side and the rear side of the roll-over stand (13), the other ends of the traction rods (24) are respectively rotatably connected with the guide wheels (23), a traction sliding block (25) is jointly rotatably connected between the two guide wheels (23), the traction sliding block (25) is slidably connected to the side wall of the mounting rack (14) in the up-down direction, and the elastic support mechanism is connected between the mounting rack (14) and the roll-over stand (13);
elastic support mechanism includes mounting groove (26), set up on the medial surface of roll-over stand (13) mounting groove (26), fixedly connected with supporting spring (27) on the inner wall of mounting groove (26), the flexible end fixed connection of supporting spring (27) is on the side of mounting bracket (14).
2. The wheat crop weeding device according to claim 1, wherein the height adjusting device comprises two support slide bars (9) and a first threaded rod (10), the two support slide bars (9) are fixedly connected to the front surface of the movable frame (1), the two support slide bars (9) are inserted into the movable plate (2) in a penetrating and sliding manner, the first threaded rod (10) penetrates through the movable plate (2) and is in threaded connection with the movable plate (2), a second motor (11) is fixedly connected to the top end of the first threaded rod (10) after penetrating through the movable frame (1), and the second motor (11) is fixedly mounted at the top of the movable frame (1).
3. The wheat crop weeding device according to claim 1, wherein the spacing adjustment mechanism is a two-way screw (12), two ends of the two-way screw (12) respectively penetrate through the two connecting frames (3), the thread surfaces on two sides of the two-way screw (12) are in threaded connection with the connecting frames (3) on the same side, and the middle position of the two-way screw (12) is rotatably connected to the front surface of the movable plate (2).
4. The wheat crop weeding device according to claim 1, wherein a pesticide spraying mechanism is arranged on the back of the movable frame (1), the pesticide spraying mechanism is used for spraying a weeding pesticide to a weeding position, the pesticide spraying mechanism comprises a pesticide box (28), two pumping mechanisms and a spraying pipe (29), the pesticide box (28) is fixedly connected to the back of the movable frame (1), the two pumping mechanisms are respectively connected to opposite surfaces of the two connecting plates (4), the pumping mechanisms are communicated with the pesticide box (28) through pipelines, the spraying pipe (29) is fixedly connected to the front side of the movable frame (1) and is in sliding insertion with the connecting plates (4), pesticide spraying heads (30) are fixedly communicated with two ends and the bottom surface of the spraying pipe (29), and the spraying pipe (29) is communicated with the pumping mechanisms on two sides.
5. The wheat crop weeding device as claimed in claim 4, wherein the pumping mechanism comprises a pumping box (31) and two arc-shaped racks (32), the pumping box (31) is fixedly connected to the side of the connecting plate (4), the bottom of the pumping box (31) is communicated with two pipelines, one of the pipelines is far away from one end of the pumping box (31) and communicated with the injection pipe (29) in a drainage one-way mode, the other pipeline is far away from the pumping box (31) and communicated with the chemical box (28) in a water inlet one-way mode, a piston (33) is hermetically slid on the inner wall of the pumping box (31), the bottom of the piston (33) is fixedly connected with a movable rod (34), a reset spring (35) is sleeved on the surface of the movable rod (34), two ends of the reset spring (35) are fixedly connected to the bottom and the top of the inner wall of the pumping box (31) respectively, the top end of the movable rod (34) penetrates through the pumping box (31) and is fixedly connected with a rack linkage (36), and the two arc-shaped racks (32) are fixedly connected to the top and the bottom of the circular frame (5) respectively.
6. A wheat crop weeding apparatus according to claim 1, wherein a handrail frame (37) is fixedly connected to the surface of the movable frame (1), and a handle (38) is fixedly connected to the top end of the handrail frame (37).
7. A wheat crop weeding apparatus according to claim 1, wherein the rolling support part is fixedly mounted at both ends of the bottom of the movable frame (1), and the rolling support part is a support wheel (39).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292169.5A CN113853934B (en) | 2021-11-03 | 2021-11-03 | Wheat crop weeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111292169.5A CN113853934B (en) | 2021-11-03 | 2021-11-03 | Wheat crop weeding device |
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| CN113853934A CN113853934A (en) | 2021-12-31 |
| CN113853934B true CN113853934B (en) | 2022-11-15 |
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