CN112042333B - Sunflower fixed-point sowing wheel seeder - Google Patents

Abstract

The invention provides a sunflower fixed-point sowing wheel seeder, belongs to the technical field of sowing wheel seeders, and aims to solve the problem that soil adhered to the outer peripheral surface of a driving wheel cannot be automatically cleaned when the existing wheel seeder is used, so that the sowing effect of the wheel seeder is reduced when the wheel seeder is used. Promote the drive wheel forward and carry out clockwise rolling in-process, make first bevel gear drive second bevel gear and carry out clockwise rotation, thereby make ratchet pawl mechanism drive the pawl installed part through two pawls and carry out clockwise rotation, thereby make incomplete gear carry out clockwise rotation, then through the cooperation with the rack, thereby make the metal strike the wheel fast right and contact with the vibrating plate left surface, reciprocating motion so, thereby make the vibrating plate produce the vibration, thereby make the earth of drive wheel outer peripheral face upper portion adhesion can obtain automatic clearance, and then seeding effect when having improved this wheel-type disseminator seeding.

Description

Sunflower fixed-point sowing wheel seeder

Technical Field

The invention belongs to the technical field of sowing wheel-sowing devices, and particularly relates to a sunflower fixed-point sowing wheel-sowing device.

Background

Sunflower, known as sunflower, annual herb, 1-3 meters high. The stem is upright, thick, round and polygonal, and is bristled with white color. Commonly known as sunflower seed. Warm in nature and drought-enduring. Native north america, cultivated all over the world. When the sunflower seeds are sowed, a wheel type seeder is needed.

For example, application No.: the invention belongs to the technical field of agricultural sowing tools, and discloses a novel hand-push type potato test tube sowing machine and a sowing method thereof, wherein the novel hand-push type potato test tube sowing machine is provided with a rack, a first driving wheel and a second driving wheel are arranged in front of the rack, and a front cone is welded on the outer side of the first driving wheel; a seeder is welded and installed at the rear part of the rack, the seeder is provided with a seed box, the inner wall of the seed box is provided with a brush, the lower end of the seed box is communicated with a seed control wheel, and the lower end of the seed control wheel is communicated with a seed guide pipe; a plurality of seed discharging holes are formed in the outer wall of the seed control wheel, a bearing penetrates through the inside of the seed control wheel, and a rear cone is welded on the outside of the bearing; the front cone is in tooth joint with the rear cone through a chain; the rear end welding of frame has the handle, and the lower extreme fixed mounting of handle has the scraper blade. This novel hand propelled potato test tube potato seeder solves temperature net room potato test tube potato integration seeding operation technique, changes the test tube potato seeding operation of accomplishing by original need punch, dibble seeding two steps into one-step operation, has improved test tube potato seeding efficiency.

Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, wheeled disseminator is generally through promoting the drive wheel when the fixed point seeding sunflower, makes the drive wheel drive through the chain and sows the inside accuse kind wheel of incasement portion and rotates, accomplishes the seeding work of the interior sunflower kind of seeding case, but current wheeled disseminator still has following not enough in the actual use, if: 1. although the outer peripheral surface of the driving wheel in the existing wheel-type seeder is provided with the anti-skid stripes, when more soil is adhered to the outer peripheral surface of the driving wheel, the friction force of the outer peripheral surface of the driving wheel can be reduced, so that the driving effect of the driving wheel is influenced, the soil adhered to the outer peripheral surface of the driving wheel cannot be automatically cleaned in the process of pushing the wheel-type seeder, and the seeding effect of the wheel-type seeder during seeding is further reduced; 2. chain among current wheeled disseminator can paint lubricating oil on the chain and lubricate for guaranteeing the flexibility usually, and the chain on current wheeled disseminator is when smearing lubricating oil, owing to need tear the chain cover off earlier, then paints the operation, and paints the lubricating oil that the back drippage and can not get effectual collection, and then has reduced the convenience that lubricating oil was paintd at the chain to wheeled disseminator.

Disclosure of Invention

In order to solve the technical problems, the invention provides a sunflower fixed-point sowing wheel seeder, which aims to solve the following defects of the existing wheel seeder in the actual use process, such as: 1. although the outer peripheral surface of the driving wheel in the existing wheel-type seeder is provided with the anti-skid stripes, when more soil is adhered to the outer peripheral surface of the driving wheel, the friction force of the outer peripheral surface of the driving wheel can be reduced, so that the driving effect of the driving wheel is influenced, the soil adhered to the outer peripheral surface of the driving wheel cannot be automatically cleaned in the process of pushing the wheel-type seeder, and the seeding effect of the wheel-type seeder during seeding is further reduced; 2. chain among current wheeled disseminator can paint lubricating oil on the chain and lubricate in order to ensure the flexibility usually, and the chain on current wheeled disseminator is when smearing lubricating oil, owing to need tear the chain cover off earlier, then paints the operation, and paints the lubricating oil that the back drippage and can not get effectual collection, and then has reduced the problem of the convenience that lubricating oil was paintd at the chain to wheeled disseminator.

The invention relates to a sunflower fixed-point sowing wheel seeder, which is realized by the following specific technical means:

a sunflower fixed-point sowing wheel seeder comprises a rack, wherein a sowing box is arranged at the upper end of the middle part of the rack, and a driving wheel and a rear roller are respectively and rotatably connected to the front side and the rear side of the rack; a rotating shaft at the right end of the driving wheel is provided with two chain wheels; the other chain wheel is rotationally connected to the sowing box through a rotating shaft, and a chain is connected between the two chain wheels in a transmission manner; the chain guard is arranged on the right side of the rack and located outside the chain, the chain guard comprises a transparent oil discharge hose, an L-shaped hanging plate, a sealing rubber plug, an L-shaped hook and an annular flow limiting plate, the bottom of the front end of the chain guard is connected with the transparent oil discharge hose, the end of the transparent oil discharge hose is provided with the L-shaped hanging plate, the left end face of the L-shaped hanging plate is provided with a hanging hole, the sealing rubber plug is inserted into a row port of the transparent oil discharge hose, the front side of the right end face of the chain guard is provided with the L-shaped hook hung with the L-shaped hanging plate, the left side of the chain guard is provided with the annular flow limiting plate, the top end face of the chain guard is provided with a rectangular through hole, and an oiling mechanism is arranged in the rectangular through hole; a first bevel gear is arranged on a rotating shaft at the left end of the driving wheel; the front side of the left end face of the rack is rotatably connected with a ratchet wheel and pawl mechanism and a second bevel gear through a rotating shaft, and the second bevel gear is meshed with the first bevel gear; the ratchet wheel and pawl mechanism is fixedly connected with the second bevel gear through a rotating shaft; the front end of the bottom of the left side of the rack is provided with a knocking mechanism, and the upper part of the right end of the rear side of the rack is provided with an inserting mechanism; and an oiling mechanism is arranged at the top of the chain cover.

Further, the rack comprises handle support sleeves and handle support rods, the handle support sleeves are welded on the rear sides of the left and right end faces of the rack, a handle support rod is connected in each handle support sleeve in a sliding mode, a connecting rod is welded between the two handle support rods, handles are arranged at the rear ends of the two handle support rods, adjusting through holes are uniformly formed in the left end faces of the handle support sleeve on the right side and the handle support rod on the right side, and an inserting mechanism is arranged on the right end face of the handle support sleeve on the right side;

furthermore, the driving wheel comprises a vibrating plate, L-shaped supporting blocks and anti-falling bolts, four L-shaped supporting blocks are arranged in an annular array on the left side surface in the driving wheel, the left end surfaces of the four L-shaped supporting blocks are connected with the vibrating plate through the four anti-falling bolts, anti-sliding stripes are arranged on the peripheral surface of the driving wheel, a rectangular connecting block is arranged at the bolt column end of each anti-falling bolt, a bayonet lock is inserted into the rectangular connecting block, and the vibrating plate is of an annular plate structure;

furthermore, when the transparent oil drainage hose is in a hanging state, the discharge port end of the transparent oil drainage hose is upwards bent by one hundred eighty degrees;

furthermore, the ratchet wheel and pawl mechanism comprises a ratchet wheel-shaped groove, a pawl mounting piece, pawls and incomplete gears, the ratchet wheel-shaped groove is formed in the front end face of the ratchet wheel and pawl mechanism, a rotating shaft is fixedly connected to the center of the front side face in the ratchet wheel-shaped groove, the pawl mounting piece is rotatably connected in the ratchet wheel-shaped groove through the rotating shaft, two pawls are mounted on the rear side of the pawl mounting piece in an annular array shape, springs are arranged between the two pawls and the pawl mounting piece, the incomplete gears are arranged on the front end face of the pawl mounting piece, and when the ratchet wheel and pawl mechanism and the knocking mechanism are in a mounting state, the incomplete gears are meshed with the racks;

furthermore, the knocking mechanism comprises a metal knocking wheel, a rack, two sliding sleeves and limiting sliding columns, the right end of the knocking mechanism is rotatably connected with the metal knocking wheel through a rotating shaft, the rack is arranged on the left side of the upper end face of the knocking mechanism, the bottom of the knocking mechanism is provided with the two sliding sleeves in a front-back symmetrical mode, each sliding sleeve is internally connected with one limiting sliding column in a sliding mode, Contraband-shaped supporting pieces fixed on the front portion of the bottom end face of the left side of the rack are arranged outside the two limiting sliding columns, and when the knocking mechanism is in a knocking state, the peripheral face of the metal knocking wheel is in contact with the left side face of the vibrating plate;

furthermore, the inserting mechanism comprises a fixed plate, a supporting plate, an inserting column and a sliding plate, wherein the fixed plate is fixedly connected to the upper part of the right end face of one handle supporting sleeve on the right side, the right side of the fixed plate is fixedly connected with the supporting plate through two supporting columns, through holes are formed in the middle parts of the right end faces of the fixed plate and the supporting plate, the sliding plate which is in sliding connection with the two supporting columns on the fixed plate is arranged in the middle part of the inserting column, springs are sleeved outside the two supporting columns on the fixed plate, and when the inserting mechanism is in an inserting state, the left end of the inserting column sequentially penetrates through the adjusting through holes in the fixed plate and the right handle supporting sleeve and is inserted into the adjusting through hole in the right handle supporting rod;

further, refueling mechanism includes the oil filler hole, refueling mechanism is rectangle shell structure, and refuel mechanism rear side upper portion is equipped with the oil filler hole, its shape of oil filler hole sets up to leaking hopper-shaped, and has sealed lid through threaded connection on the oil filler hole, refueling mechanism bottom is personally submitted evenly and is described and is equipped with twenty oil leakage mouths.

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

according to the invention, through the matching of the knocking mechanism and the vibrating plate, in the process of pushing the driving wheel forwards to roll clockwise, the first bevel gear drives the second bevel gear to rotate clockwise, so that the ratchet-pawl mechanism drives the pawl mounting part to rotate clockwise through the two pawls, so that the incomplete gear rotates clockwise, then through the matching with the rack, after the incomplete gear is meshed with the rack, the rack is driven to move leftwards, and after the meshing is lost, the rack rebounds to the original position rightwards rapidly under the action of the spring outside the limiting sliding column, so that the metal knocking wheel is in contact with the left side surface of the vibrating plate rightwards rapidly, and the reciprocating motion is carried out, so that the vibrating plate vibrates, and therefore, the soil adhered to the upper part of the peripheral surface of the driving wheel can be cleaned automatically, and the seeding effect of the wheel type seeder during seeding is improved.

According to the invention, through the arrangement of the oiling mechanism, when lubricating oil needs to be smeared on the chain, the sealing cover on the oiling port is unscrewed and taken off manually, then the lubricating oil is added into the oiling mechanism through the oiling port, then the lubricating oil uniformly drips to the upper part of the chain through the oil leakage port at the bottom of the oiling mechanism, then the wheel-type seeder is pushed, the driving wheel drives the chain to rotate through the chain wheel, so that the lower part of the chain is lubricated by the lubricating oil, the convenience of smearing the lubricating oil on the chain by the wheel-type seeder is further improved, the redundant lubricating oil drips to the inner bottom of the chain cover under the action of gravity, and the redundant lubricating oil cannot leak under the action of the annular flow limiting plate, so that the dripped lubricating oil after smearing can be effectively collected.

Drawings

Fig. 1 is a first view structure diagram of the present invention.

Fig. 2 is a schematic diagram of a second viewing angle structure according to the present invention.

FIG. 3 is a schematic diagram of the structure of the present invention after detachment.

Fig. 4 is a schematic structural view of the driving wheel and the vibration plate of the present invention after being disassembled.

Fig. 5 is a schematic view of the drop bolt structure of the present invention.

FIG. 6 is a partial cross-sectional structural schematic view of the chain cage of the present invention.

FIG. 7 is a schematic view of the ratchet-pawl mechanism and striking mechanism of the present invention.

Fig. 8 is a schematic structural diagram of the plugging mechanism of the present invention after being disassembled.

Fig. 9 is a schematic structural diagram of the refueling mechanism of the invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a frame; 101. a handle support sleeve; 102. a handle support bar; 2. a seeding box; 3. a drive wheel; 301. a vibrating plate; 302. an L-shaped support block; 303. the bolt is prevented from falling; 4. a rear roller; 5. a chain; 6. a chain cage; 601. a transparent oil drain hose; 602. an L-shaped hanging plate; 603. sealing the rubber plug; 604. an L-shaped hook; 605. an annular restrictor plate; 7. a ratchet-pawl mechanism; 701. a ratchet-shaped groove; 702. a pawl mount; 703. a pawl; 704. an incomplete gear; 8. a knocking mechanism; 801. a metal tapping wheel; 802. a rack; 803. a sliding sleeve; 804. a limiting sliding column; 9. a plug-in mechanism; 901. a fixing plate; 902. a support plate; 903. inserting the column; 904. a sliding plate; 10. a first bevel gear; 11. a second bevel gear; 12. an oiling mechanism; 1201. an oil filler; 13. and a sprocket.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 9:

the invention provides a sunflower fixed-point sowing wheel seeder, which comprises: the seeder comprises a rack 1, a seeding box 2 is installed at the upper end of the middle part of the rack 1, the rack 1 comprises handle support sleeves 101 and handle support rods 102, one handle support sleeve 101 is welded at the rear side of each of the left and right end faces of the rack 1, one handle support rod 102 is slidably connected in each handle support sleeve 101, a connecting rod is welded between the two handle support rods 102, handles are arranged at the rear ends of the two handle support rods 102, adjusting through holes are uniformly formed in the left end faces of the handle support sleeve 101 at the right side and the handle support rod 102 at the right side, and an inserting mechanism 9 is arranged on the right end face of the handle support sleeve 101 at the right side, so that the height of the handle support rod 102 can be flexibly and conveniently adjusted; the front side and the rear side of the rack 1 are respectively and rotatably connected with a driving wheel 3 and a rear roller 4, the driving wheel 3 comprises a vibrating plate 301, L-shaped supporting blocks 302 and anti-falling bolts 303, the left side surface in the driving wheel 3 is provided with four L-shaped supporting blocks 302 in an annular array shape, the left end surfaces of the four L-shaped supporting blocks 302 are connected with the vibrating plate 301 through the four anti-falling bolts 303, the peripheral surface of the driving wheel 3 is provided with anti-sliding stripes, the bolt end of each anti-falling bolt 303 is provided with a rectangular connecting block, and a bayonet lock is inserted in the rectangular connecting block, so that the anti-falling bolts 303 are not easy to fall even if loosening occurs, the stability of the vibrating plate 301 is further provided, and the vibrating plate 301 is of an annular plate block structure; a chain wheel 13 is arranged on a rotating shaft at the right end of the driving wheel 3, and the number of the chain wheels 13 is two; the other chain wheel 13 is rotationally connected to the sowing box 2 through a rotating shaft, and a chain 5 is connected between the two chain wheels 13 in a transmission way; a chain cover 6 is arranged on the right side of the rack 1 and outside the chain 5, the chain cover 6 comprises a transparent oil discharge hose 601, an L-shaped hanging plate 602, a sealing rubber plug 603, an L-shaped hook 604 and an annular flow limiting plate 605, the bottom of the front end of the chain cover 6 is connected with the transparent oil discharge hose 601, the row port end of the transparent oil discharge hose 601 is provided with the L-shaped hanging plate 602, the left end face of the L-shaped hanging plate 602 is provided with a hanging hole, the sealing rubber plug 603 is inserted into the row port of the transparent oil discharge hose 601, the front side of the right end face of the chain cover 6 is provided with the L-shaped hook 604 which is hung with the L-shaped hanging plate 602, the left side of the chain cover 6 is provided with the annular flow limiting plate 605, the top end face of the chain cover 6 is provided with a rectangular through hole, and an oiling mechanism 12 is arranged in the rectangular through hole; a first bevel gear 10 is arranged on a rotating shaft at the left end of the driving wheel 3; the front side of the left end face of the rack 1 is rotatably connected with a ratchet-pawl mechanism 7 and a second bevel gear 11 through a rotating shaft, the ratchet-pawl mechanism 7 comprises a ratchet-shaped groove 701, a pawl mounting piece 702, pawls 703 and an incomplete gear 704, the front end face of the ratchet-pawl mechanism 7 is provided with the ratchet-shaped groove 701, the center part of the front side face in the ratchet-shaped groove 701 is fixedly connected with the rotating shaft, the pawl mounting piece 702 is rotatably connected in the ratchet-shaped groove 701 through the rotating shaft, two pawls 703 are mounted on the rear side of the pawl mounting piece 702 in an annular array shape, springs are arranged between the two pawls 703 and the pawl mounting piece 702, the incomplete gear 704 is arranged on the front end face of the pawl mounting piece 702, when the ratchet-pawl mechanism 7 and the knocking mechanism 8 are in a mounting state, the incomplete gear 704 is meshed with the rack 802, and the rack 802 is driven to move leftwards after the incomplete gear 704 is meshed with the rack 802, when the engagement is lost, the rack 802 is rapidly rebounded to the right under the action of a spring outside the limiting sliding column 804, and the ratchet-pawl mechanism 7 rotates anticlockwise without driving the pawl 703 to rotate through the matching of the ratchet-shaped groove 701 and the pawl 703; the second bevel gear 11 is meshed with the first bevel gear 10; the ratchet wheel pawl mechanism 7 is fixedly connected with the second bevel gear 11 through a rotating shaft; the front end of the bottom of the left side of the rack 1 is provided with a knocking mechanism 8, the knocking mechanism 8 comprises a metal knocking wheel 801, a rack 802, sliding sleeves 803 and limiting sliding columns 804, the right end of the knocking mechanism 8 is rotatably connected with the metal knocking wheel 801 through a rotating shaft, the left side of the upper end face of the knocking mechanism 8 is provided with the rack 802, the bottom of the knocking mechanism 8 is provided with the two sliding sleeves 803 in a front-back symmetrical manner, each sliding sleeve 803 is internally and slidably connected with one limiting sliding column 804, Contraband-shaped supporting pieces fixed on the front portion of the bottom end face of the left side of the rack 1 are arranged outside the two limiting sliding columns 804, when the knocking mechanism 8 is in a knocking state, the peripheral surface of the metal knocking wheel 801 is in contact with the left side face of the vibrating plate 301, and the knocking mechanism 8 has smaller friction loss when the vibrating plate 301 is knocked through the arrangement of the metal knocking wheel 801; the upper part of the right end of the rear side of the frame 1 is provided with a splicing mechanism 9; 6 tops of chain cover are equipped with refueling mechanism 12, and refueling mechanism 12 includes oil filler hole 1201, and refueling mechanism 12 is rectangular shell structure, and 12 rear side upper portions of refueling mechanism are equipped with oil filler hole 1201, and its shape of oil filler hole 1201 sets up to leaking hopper-shaped, and there is sealed lid oil filler hole 1201 upper end through threaded connection, and 12 bottom surfaces of refueling mechanism are personally submitted evenly and are described and be equipped with twenty oil leakage mouths, and it is more even when making lubricating oil drip to chain 5.

Wherein, when transparent oil drain hose 601 was in the state of articulating, transparent oil drain hose 601 discharge port end was upwards one hundred eighty degrees and bends the form and distributes, through transparent oil drain hose 601's setting, is convenient for observe the inside unnecessary oil mass of chain guard 6.

Wherein, grafting mechanism 9 includes fixed plate 901, backup pad 902, peg 903 and sliding plate 904, fixed plate 901 fixed connection is on the right side handle support cover 101 right-hand member face upper portion, and fixed plate 901 right side is through two spinal branch post fixedly connected with backup pad 902, the through-hole has all been seted up in fixed plate 901 and backup pad 902 right-hand member face middle part, peg 903 middle part be equipped with fixed plate 901 on two spinal branch post sliding connection's sliding plate 904, and the spring has all been cup jointed to two spinal branch post outsides on the fixed plate 901, when grafting mechanism 9 is in the grafting state, peg 903 left end passes adjusting hole on fixed plate 901 and the right side handle support cover 101 in proper order and pegs graft mutually with adjusting hole on the right side handle support pole 102, make the handle support cover 101 after the regulation can obtain the fixed action fast.

When in use: firstly, the height of the handle supporting rod 102 is adjusted according to the height of a seeder, when the height is adjusted, the inserting column 903 is pulled rightwards manually, so that the limiting function between the handle supporting rod 102 and the handle supporting sleeve 101 is lost, then the handle supporting rod 102 is adjusted in the handle supporting sleeve 101 in a vertical sliding manner, after the height is adjusted, the inserting column 903 is loosened, and under the action of a spring, the sliding plate 904 drives the inserting column 903 to be inserted back to the original position leftwards, so that the limiting function is achieved between the handle supporting rod 102 and the handle supporting sleeve 101, and the convenience of the wheel type seeder in use is effectively improved; then, the handle supporting rod 102 is pushed to push the wheel type seeder to a required position for seeding;

when a large amount of soil adheres to the outer peripheral surface of the driving wheel 3, the first bevel gear 10 drives the second bevel gear 11 to rotate clockwise when the driving wheel 3 is pushed forward to roll clockwise, so that the ratchet-pawl mechanism 7, via the two pawls 703, rotates the pawl mounting member 702 clockwise, thereby rotating the partial gear 704 clockwise, then, through the cooperation with the rack 802, when the incomplete gear 704 is meshed with the rack 802, the rack 802 is driven to move leftwards, when the engagement is lost, the rack 802 is quickly rebounded to the right under the action of the spring outside the limit sliding column 804, so that the metal tapping wheel 801 is rapidly brought into contact with the left side surface of the vibration plate 301 rightward, and thus reciprocates, thereby, the vibrating plate 301 vibrates, so that the soil adhered to the upper part of the peripheral surface of the driving wheel 3 can be automatically cleaned, and the seeding effect of the wheel-type seeder is improved;

through the arrangement of the oiling mechanism 12, when lubricating oil needs to be smeared on the chain 5, the sealing cover on the oiling port 1201 is unscrewed and taken off manually, then the lubricating oil is added into the oiling mechanism 12 through the oiling port 1201, and then the lubricating oil uniformly drips to the upper part of the chain 5 through the oil leakage port at the bottom of the oiling mechanism 12, then the wheel type seeder is pushed, so that the driving wheel 3 drives the chain 5 to rotate through the chain wheel 13, the lower part of the chain 5 is lubricated by the lubricating oil, the convenience of smearing the lubricating oil on the chain of the wheel type seeder is further improved, the redundant lubricating oil drips to the inner bottom of the chain cover 6 under the action of gravity, the redundant lubricating oil cannot leak under the action of the annular flow limiting plate 605, the dripped lubricating oil after smearing can be effectively collected, and when the redundant lubricating oil is discharged and collected, the L-shaped hanging plate 602 is taken off from the L-shaped hook 604 first, then the discharge end of the transparent oil discharge hose 601 is aligned with the oil receiving container, and then the oil is discharged.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (3)

1. The fixed-point sunflower sowing wheel seeder is characterized in that: the seeder comprises a rack (1), wherein a seeding box (2) is arranged at the upper end of the middle part of the rack (1), and a driving wheel (3) and a rear roller (4) are respectively and rotatably connected to the front side and the rear side of the rack (1); a chain wheel (13) is arranged on a rotating shaft at the right end of the driving wheel (3), and the number of the chain wheels (13) is two; the other chain wheel (13) is rotationally connected to the sowing box (2) through a rotating shaft, and a chain (5) is connected between the two chain wheels (13) in a transmission way; a chain cover (6) is arranged at the right side of the frame (1) and outside the chain (5), the chain guard (6) comprises a transparent oil drain hose (601), an L-shaped hanging plate (602), a sealing rubber plug (603), an L-shaped hook (604) and an annular flow limiting plate (605), the bottom of the front end of the chain cover (6) is connected with a transparent oil discharge hose (601), an L-shaped hanging plate (602) is arranged at the row port end of the transparent oil discharge hose (601), a hanging connection hole is arranged on the left end face of the L-shaped hanging plate (602), a sealing rubber plug (603) is inserted in the row port of the transparent oil drain hose (601), an L-shaped hook (604) which is hooked with the L-shaped hanging plate (602) is arranged at the front side of the right end face of the chain cover (6), an annular flow limiting plate (605) is arranged on the left side of the chain cover (6), a rectangular through hole is formed in the top end face of the chain cover (6), and an oil filling mechanism (12) is installed in the rectangular through hole; a first bevel gear (10) is arranged on a rotating shaft at the left end of the driving wheel (3); the front side of the left end face of the rack (1) is rotatably connected with a ratchet-pawl mechanism (7) and a second bevel gear (11) through a rotating shaft, and the second bevel gear (11) is meshed with the first bevel gear (10); the ratchet wheel and pawl mechanism (7) is fixedly connected with the second bevel gear (11) through a rotating shaft; the front end of the bottom of the left side of the rack (1) is provided with a knocking mechanism (8), and the upper part of the right end of the rear side of the rack (1) is provided with an inserting mechanism (9); an oiling mechanism (12) is arranged at the top of the chain cover (6); the rack (1) comprises handle supporting sleeves (101) and handle supporting rods (102), the handle supporting sleeves (101) are welded on the rear sides of the left and right end faces of the rack (1), each handle supporting rod (102) is connected in each handle supporting sleeve (101) in a sliding mode, a connecting rod is welded between the two handle supporting rods (102), handles are arranged at the rear ends of the two handle supporting rods (102), adjusting through holes are uniformly formed in the left end faces of the handle supporting sleeve (101) on the right side and the handle supporting rod (102) on the right side, and an inserting mechanism (9) is arranged on the right end face of the handle supporting sleeve (101) on the right side; the driving wheel (3) comprises a vibrating plate (301), L-shaped supporting blocks (302) and anti-falling bolts (303), the left side surface in the driving wheel (3) is provided with four L-shaped supporting blocks (302) in an annular array shape, the left end surfaces of the four L-shaped supporting blocks (302) are connected with the vibrating plate (301) through the four anti-falling bolts (303), the outer peripheral surface of the driving wheel (3) is provided with anti-sliding stripes, a rectangular connecting block is arranged at the stud end of each anti-falling bolt (303), a bayonet is inserted into the rectangular connecting block, and the vibrating plate (301) is of an annular plate structure; the ratchet wheel and pawl mechanism (7) comprises a ratchet wheel-shaped groove (701), a pawl mounting piece (702), pawls (703) and an incomplete gear (704), the ratchet wheel-shaped groove (701) is formed in the front end face of the ratchet wheel and pawl mechanism (7), a rotating shaft is fixedly connected to the center of the inner front side face of the ratchet wheel-shaped groove (701), the pawl mounting piece (702) is rotatably connected to the inside of the ratchet wheel-shaped groove (701) through the rotating shaft, the two pawls (703) are mounted on the rear side of the pawl mounting piece (702) in an annular array shape, springs are arranged between the two pawls (703) and the pawl mounting piece (702), the incomplete gear (704) is arranged on the front end face of the pawl mounting piece (702), and when the ratchet wheel and pawl mechanism (7) and the knocking mechanism (8) are in a mounting state, the incomplete gear (704) is meshed with the rack (802); the knocking mechanism (8) comprises a metal knocking wheel (801), a rack (802), sliding sleeves (803) and limiting sliding columns (804), the right end of the knocking mechanism (8) is rotatably connected with the metal knocking wheel (801) through a rotating shaft, the rack (802) is arranged on the left side of the upper end face of the knocking mechanism (8), the bottom of the knocking mechanism (8) is provided with two sliding sleeves (803) in a front-back symmetrical mode, each sliding sleeve (803) is internally and slidably connected with one limiting sliding column (804), Contraband-shaped supporting pieces fixed to the front portion of the left bottom end face of the rack (1) are arranged outside the two limiting sliding columns (804), and when the knocking mechanism (8) is in a knocking state, the outer peripheral face of the metal knocking wheel (801) is in contact with the left side face of the vibrating plate (301); the splicing mechanism (9) comprises a fixed plate (901), a supporting plate (902), splicing columns (903) and sliding plates (904), wherein the fixed plate (901) is fixedly connected to the upper portion of the right end face of a handle supporting sleeve (101) on the right side, the supporting plate (902) is fixedly connected to the right side of the fixed plate (901) through two supporting columns, through holes are formed in the middle portions of the right end faces of the fixed plate (901) and the supporting plate (902), the sliding plates (904) which are in sliding connection with the two supporting columns on the fixed plate (901) are arranged in the middle of the splicing columns (903), springs are sleeved outside the two supporting columns on the fixed plate (901), and when the splicing mechanism (9) is in a splicing state, the left ends of the splicing columns (903) sequentially penetrate through adjusting through holes in the fixed plate (901) and the right handle supporting sleeve (101) and are spliced with the adjusting through holes in the right handle supporting rod (102).

2. The fixed-point sowing seeder for sunflower seeds of claim 1, wherein: when the transparent oil drain hose (601) is in a hanging state, the discharge port end of the transparent oil drain hose (601) is bent upwards by one hundred eighty degrees.

3. The fixed-point sowing seeder for sunflower seeds of claim 1, wherein: refueling mechanism (12) are including oil filler hole (1201), refueling mechanism (12) are rectangle shell structure, and refueling mechanism (12) rear side upper portion is equipped with oil filler hole (1201), its shape of oil filler hole (1201) sets up to leaking hopper-shaped, and has sealed lid through threaded connection on oil filler hole (1201), refueling mechanism (12) bottom surface is personally submitted evenly and is described and is equipped with twenty oil leak mouths.

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