CN117678381A - Sowing device for grasslands - Google Patents
Sowing device for grasslands Download PDFInfo
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- CN117678381A CN117678381A CN202410130229.0A CN202410130229A CN117678381A CN 117678381 A CN117678381 A CN 117678381A CN 202410130229 A CN202410130229 A CN 202410130229A CN 117678381 A CN117678381 A CN 117678381A
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- grasslands
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- 238000009331 sowing Methods 0.000 title claims description 73
- 238000010899 nucleation Methods 0.000 claims abstract description 85
- 244000025254 Cannabis sativa Species 0.000 claims description 36
- 230000036346 tooth eruption Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 24
- 238000003825 pressing Methods 0.000 abstract description 22
- 244000144972 livestock Species 0.000 abstract description 5
- 239000002002 slurry Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 13
- 239000010902 straw Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000035784 germination Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 244000063299 Bacillus subtilis Species 0.000 description 1
- 235000014469 Bacillus subtilis Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
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Abstract
The invention relates to the technical field of seeding equipment, and particularly discloses a seeding device for grasslands, which comprises a feed box, a support frame and a seeding assembly, wherein the seeding assembly comprises a support seat arranged on the support frame, a sliding piece which slides vertically is arranged on the support seat, a connecting pipe is arranged on the sliding piece, the top end of the connecting pipe is connected with one end of a first guide pipe, the other end of the first guide pipe is connected with an outlet of a one-way valve, an inlet of the one-way valve is communicated with an inner cavity of the feed box, the bottom end of the connecting pipe is connected with the top end of an elastic pipe, the bottom end of the elastic pipe is connected with the top end of the seeding pipe, a sliding second guide bracket is arranged on the support seat, a pressing wheel is arranged at one end of the second guide bracket, a second elastic piece is arranged between the second guide bracket and the support seat, the seeding device for grasslands enables grasslands to root and sprout at all depths of soil of grasslands so as to realize the stagger among the grasslands, the resistance of grasslands is improved, the damage of the grasslands caused by the feeding of livestock on the grasslands is reduced, and the grasslands is distributed uniformly.
Description
Technical Field
The invention relates to the technical field of sowing equipment, in particular to a sowing device for grasslands.
Background
The grasslands are divided into natural grasslands and artificial grasslands, wherein the natural grasslands refer to grasslands with the vegetation naturally growing unmodified, the artificial grasslands refer to grasslands with proper grass seeds selected for planting or modification through artificial measures, and the artificial grasslands are planted to play a decisive role in the development of grassland animal husbandry.
The artificial grasslands are sown by broadcasting or sowing machinery, the broadcasting is used for directly spreading the grass seeds on the prepared soil surface without professional equipment or technology, the sowing can be carried out manually, the grasslands with large area can be covered quickly, but the grass seeds can be blown away by wind or can be eaten by birds to cause waste of the grass seeds, and the grass seeds are not distributed uniformly enough to cause the growth of partial areas to be less than expected; the seeder is used for sowing and burying grass seeds into soil, the grass seeds are uniformly distributed, the whole artificial grassland is ensured to grow uniformly, but the grass seeds are generally sowed at the same depth, so that the entanglement between the root systems of the grass seeds is weaker, the external damage resistance is poor, and the grass roots are pulled up easily when livestock eat the grass.
Disclosure of Invention
The invention aims to overcome the existing defects, and provides the sowing device for the grasslands, which enables grass seeds to root and germinate at all depths of grassland soil to realize the interleaving among grass roots, improves the anti-pulling capability of the grasslands, reduces the damage of livestock gnawing to the grasslands, and ensures that the grass seeds are uniformly distributed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a seeder for meadow, includes workbin and support frame, install a plurality of seeding subassembly along support frame length direction on the support frame.
The seeding assembly comprises a supporting seat arranged on a supporting frame, a sliding piece which slides vertically is arranged on the supporting seat, a connecting pipe is arranged on the sliding piece, the top end of the connecting pipe is connected with one end of a first guide pipe, the other end of the first guide pipe is connected with an outlet of a one-way valve, an inlet of the one-way valve is communicated with an inner cavity of a feed box, the bottom end of the connecting pipe is connected with the top end of an elastic pipe, the bottom end of the elastic pipe is connected with the top end of the seeding pipe, the upper part of the outer side of the seeding pipe is fixedly connected with the outer side of the sliding piece, a second guide bracket which slides along the width direction of the supporting frame is arranged on the supporting seat, a rotating pressing wheel is arranged at one end of the second guide bracket, a second elastic piece is arranged between the second guide bracket and the supporting seat, and the elastic pipe is positioned between the pressing wheel and the sliding piece.
And a driving assembly for driving the sliding piece to vertically reciprocate is arranged on the supporting frame.
As a preferable technical scheme of the invention, the seeding assembly further comprises an arc-shaped guiding bracket, and the guiding bracket is arranged at the inner side of the sliding piece and corresponds to the lower part of the elastic tube.
As a preferred technical scheme of the invention, the seeding assembly further comprises a guide assembly arranged between the support frame and the support seat, the guide assembly comprises a first guide support arranged on the support frame, the support seat is slidably arranged on the first guide support, the support seat slides on the first guide support along the width direction of the support frame, and a first elastic piece is arranged between the support seat and the support frame.
As a preferable technical scheme of the invention, the seeding assembly further comprises a connecting piece and a toothed plate, the seeding pipe is sleeved with a sleeve, the seeding pipe is connected with the sleeve through a bearing, a plurality of toothed grooves are formed in the outer peripheral side of the sleeve at equal angles, the toothed plate is fixed on the support frame through the connecting piece, the toothed plate is meshed with the toothed grooves of the sleeve, the length direction of the toothed plate is parallel to the width direction of the support frame, and an elastic strip is fixed at the bottom of the outer peripheral side of the sleeve.
As a preferable technical scheme of the invention, the bottom end of the sleeve is provided with a plurality of cutting teeth, and the height of the cutting teeth is lower than that of the bottom end of the sowing pipe.
As a preferred technical scheme of the invention, the elastic strip is an elastic steel wire or an elastic plastic strip.
As a preferable technical scheme of the invention, the seeding assembly further comprises an elastic sheet arranged at the lower part of the inner cavity of the seeding pipe, and Y-shaped narrow holes are formed in the elastic sheet.
As a preferable technical scheme of the invention, the driving assembly comprises a rotating shaft which is arranged on the supporting frame and rotates, a cam is arranged at the outer side of the rotating shaft corresponding to the top end of each sliding piece, and a coaxial driving wheel is arranged on the rotating shaft.
The seeding assembly further comprises a third elastic piece, and the third elastic piece is connected with the sliding piece and the supporting seat.
As a preferable technical scheme of the invention, the cams on the rotating shaft are at least divided into two groups, and the deflection angles of the cams in different groups are different compared with the horizontal plane.
As a preferred embodiment of the present invention, the sowing assembly further includes a support table mounted on the top end of the slider, the top side of the support table being in contact with the cam rim.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the grassland sowing device, on one hand, the driving assembly drives the sowing pipe to reciprocate up and down to realize continuous sowing of the grasslands through the sliding piece, and the depth of grass seeds in slurry in the sowing holes is random, so that the grass seeds root and germinate at all depths of grassland soil to realize the interleaving among grass roots, the anti-pulling capability of grasslands is improved, and the damage of livestock on the grasslands is reduced; on the other hand, the pressing wheel contacts the guide bracket and is far away from the supporting seat under the guide of the guide bracket, so that the control of the injection amount of the slurry in the seeding hole is realized, the slurry in the seeding hole is prevented from overflowing, and the waste of grass seeds is reduced; in the other aspect, after the seeding pipe and the elastic strip are downwards moved and inserted into the grassland soil and mud is injected into the seeding hole, the rotating elastic strip enables the grassland soil at the opening of the seeding hole to collapse to shield the mud, so that the evaporation of the water in the mud is reduced, and the germination of grass seeds is ensured.
2. According to the lawn sowing device, the pressing wheel contacts the guide support and is far away from the supporting seat under the guide of the guide support, the pressing wheel stops extruding the elastic tube, namely, mud in the sowing tube stops flowing out from the bottom end of the sowing tube after the pressing wheel contacts the guide support, so that the control of the mud injection amount in the sowing hole is realized, the overflow of the mud in the sowing hole is avoided, and the waste of grass seeds is reduced.
3. According to the grassland sowing device, the supporting seat slides on the first guide support along the width direction of the supporting frame, the supporting seat is connected with the supporting frame through the first elastic piece, the sowing pipe stops horizontally moving after being inserted into grassland soil, the damage risk of the sowing pipe is reduced, the reliability of the grassland sowing device is improved, and the sowing efficiency of the grassland sowing device is improved.
4. According to the grassland sowing device, after the bottom end of the sleeve contacts with the straw, the cutting teeth on the sleeve cut the straw at the bottom end of the sleeve in the rotating process of the sleeve, so that the resistance of the sleeve and the sowing pipe to be inserted into grassland soil is reduced.
5. According to the grassland sowing device, the cams on the rotating shaft are at least divided into two groups, the deflection angles of the cams in different groups compared with the horizontal plane are different, the sliding parts of the sowing assembly move downwards at different times, and the requirement of the grassland sowing device on the maximum power input is reduced.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic view of the drive assembly and sowing assembly of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of an embodiment of a seeding assembly according to the present invention;
FIG. 5 is a schematic view of another view structure of FIG. 4;
FIG. 6 is a schematic view of another embodiment of a seeding assembly according to the present invention;
fig. 7 is a schematic view of a partially cut-away structure of the seeding tube of the present invention.
In the figure: 1 feed box, 2 driving component, 201 cam, 202 rotating shaft, 203 driving wheel, 3 supporting frame, 4 seeding component, 401 one-way valve, 402 supporting table, 403 first guide pipe, 404 connecting pipe, 405 sliding piece, 406 elastic pipe, 407 pinch roller, 408 first elastic piece, 409 first guiding bracket, 410 second elastic piece, 411 third elastic piece, 412 second guiding bracket, 413 supporting seat, 414 seeding pipe, 415 guiding bracket, 416 connecting piece, 417 toothed plate, 418 elastic strip, 419 bearing, 420 sleeve pipe, 421 elastic piece.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the embodiment discloses a sowing device for grasslands, which comprises a feed box 1 and a support frame 3, wherein a plurality of sowing assemblies 4 are arranged on the support frame 3 along the length direction of the support frame 3, and the feed box 1 and the support frame 3 are fixedly connected through a connecting frame.
The seeding component 4 comprises a hard connecting pipe 404, a hard seeding pipe 414 and a supporting seat 413 arranged on the supporting frame 3, wherein a sliding piece 405 which slides vertically is arranged on the supporting seat 413, the connecting pipe 404 is fixedly arranged on the sliding piece 405, the top end of the connecting pipe 404 is connected with one end of a first guide pipe 403, the other end of the first guide pipe 403 is connected with the outlet of a check valve 401, the inlet of the check valve 401 is communicated with the inner cavity of the feed box 1, the bottom end of the connecting pipe 404 is connected with the top end of an elastic pipe 406, the bottom end of the elastic pipe 406 is connected with the top end of the seeding pipe 414, the upper part on the outer side of the seeding pipe 414 is fixedly connected with the outer side of the sliding piece 405, a second guide bracket 412 which slides along the width direction of the supporting frame 3 is arranged on the supporting seat 413, one end of the second guide bracket 412 is provided with a rotating pinch roller 407 through a bearing seat, the second guide bracket 412 is connected with the supporting seat 413 through a second elastic piece 410, the elastic pipe 406 is positioned between the pinch roller 407 and the sliding piece 405, the second elastic piece 410 is a spring, the elastic rod, the elastic rope or the elastic air bag is communicated with the inner cavity of the check valve 1, the bottom end of the connecting pipe 404 is connected with the top end of the elastic pipe 406, the bottom end of the elastic pipe 406 and the elastic piece 406 is connected with the top end of the elastic pipe 406, the elastic piece 406 through the second guide bracket 412, the second guide piece 412 drives the elastic piece 406, and the elastic support and the pinch roller 406 moves the elastic force in the vertical direction of the pinch roller 407, and the elastic force moves in the direction.
The support frame 3 is provided with a driving component 2 for driving the sliding piece 405 to vertically reciprocate.
Preferably, the driving assembly 2 is a hydraulic cylinder and an external liquid pump drives the hydraulic cylinder to stretch out and draw back, or the driving assembly 2 is an electric telescopic rod and the electric telescopic rod is electrically connected with an external control switch group.
The working process and principle of the embodiment are as follows:
grass seeds, water and crushed soil are mixed and stirred into slurry, and the weight ratio of the water to the crushed soil is 1.0:1.0-5.0, adding slurry into a feed box 1, wherein the feed box 1 or a support frame 3 is arranged on an external traction vehicle, and the external traction vehicle drives a sowing device for the grasslands to move along the width direction of the support frame 3.
The driving component 2 drives the sliding piece 405 to vertically reciprocate, the pressing wheel 407 keeps pressing the elastic tube 406 in the vertical reciprocation process of the sliding piece 405, the inner cavity of the elastic tube 406 is divided into a first cavity and a second cavity by pressing the pressing wheel 407, and the first cavity is higher than the second cavity.
In the downward moving process of the sliding part 405, the mud in the first cavity of the elastic pipe 406 cannot move to the connecting pipe 404 due to the restriction of the one-way valve 401, the mud in the first cavity of the elastic pipe 406 props up the pressing wheel 407 through the elastic pipe 406 to enable the pressing wheel 407 to be far away from the sliding part 405, the second elastic part 410 deforms to store elastic potential energy, the first cavity is communicated with the second cavity, and the mud in the first cavity of the elastic pipe 406 flows into the second cavity through the extrusion part of the elastic pipe 406; in the upward moving process of the sliding part 405, the pressing wheel 407 presses the elastic tube 406 to enable the first chamber and the second chamber not to be communicated, the volume of the second chamber of the elastic tube 406 is gradually reduced, slurry in the second chamber is pressed into the seeding tube 414 by the pressing wheel 407, the slurry in the seeding tube 414 flows out from the bottom end of the seeding tube 414, the volume of the first chamber of the elastic tube 406 is continuously enlarged to generate negative pressure, and the slurry in the material box 1 flows into the first chamber of the elastic tube 406 through the one-way valve 401, the first guide tube 403 and the connecting tube 404.
The external traction vehicle stops moving, the driving component 2 drives the seeding pipe 414 to be inserted into the grassland soil through the sliding piece 405 and forms a seeding hole on the grassland soil, then the driving component 2 drives the seeding pipe 414 to flow out slurry in the upward moving process of the seeding pipe 414 through the sliding piece 405, so that the slurry containing grass seeds is injected into the seeding hole, and after the seeding pipe 414 leaves the grassland soil, the external traction vehicle drives the grassland seeding device to move to another seeding position.
The driving assembly 2 drives the sowing pipe 414 to reciprocate up and down through the sliding piece 405 to realize continuous sowing of grasslands, and the depth of grass seeds in slurry in the sowing holes is random, so that the grass seeds root and sprout at all depths of grassland soil to realize interleaving among grass roots, the resistance of grasslands to pulling is improved, and the damage of livestock on the grasslands is reduced.
Further, when the sowing tube 414 is moved to the highest position, the distance between the bottom end of the sowing tube 414 and the grass ground is greater than 1.0mm.
Further, the width direction of the support frame 3 is the same as the traveling direction of the external traction vehicle.
Example two
As shown in fig. 3, 4 and 5, this embodiment discloses a sowing device for grass, which has a structure substantially the same as that of the first embodiment, except that the sowing assembly 4 of this embodiment further includes an arc-shaped guide bracket 415, and the guide bracket 415 is mounted at a position corresponding to the lower portion of the elastic tube 406 inside the slider 405.
The working process and principle of the embodiment are as follows:
in the upward movement process of the sliding piece 405, the pressing wheel 407 presses the elastic tube 406 to enable the first cavity and the second cavity not to be communicated, the volume of the second cavity of the elastic tube 406 is gradually reduced, slurry in the second cavity is pressed into the seeding tube 414 by the pressing wheel 407, slurry in the seeding tube 414 flows out from the bottom end of the seeding tube 414, the pressing wheel 407 contacts the guide support 415 and is far away from the supporting seat 413 under the guide of the guide support 415, the pressing wheel 407 stops pressing the elastic tube 406, namely, slurry in the seeding tube 414 stops flowing out from the bottom end of the seeding tube 414 after the pressing wheel 407 contacts the guide support 415, the control of the slurry injection quantity in a seeding hole is realized, the slurry in the seeding hole is prevented from overflowing, and the waste of grass seeds is reduced.
The grass seed sowing device for the grasslands uniformly mixes grass seeds into the slurry, and uniformly sows the grass seeds in the slurry by quantitatively taking out the slurry, so that the uniformity of sowing the grass seeds is improved.
Further, the number of grass seeds in the slurry of each sowing hole is more than one.
Further, the distance between the slurry level in the sowing hole and the grass ground is 1.0-20.0mm.
Further, one or more of the following are added into the slurry: farmyard manure, chemical fertilizer, crushed plant straw and bacillus subtilis.
Example III
As shown in fig. 3, 4 and 5, this embodiment discloses a sowing device for grasslands, the structure of which is substantially the same as that of the second embodiment, except that the sowing assembly 4 of this embodiment further includes a guide assembly mounted between the support frame 3 and the support seat 413, the guide assembly includes a first guide bracket 409 mounted on the support frame 3, the support seat 413 is slidably mounted on the first guide bracket 409, the support seat 413 slides on the first guide bracket 409 along the width direction of the support frame 3, the support seat 413 and the support frame 3 are connected by a first elastic member 408, and the first elastic member 408 is a spring, an elastic rod or an elastic rope.
The working process and principle of the embodiment are as follows:
after the external traction vehicle continuously runs and the seeding pipe 414 is downwards moved and inserted into the grassland soil, the grassland soil acts on the supporting seat 413 through the seeding pipe 414 to enable the supporting seat 413 to move along the first guide bracket 409, the elastic potential energy of the first elastic piece 408 is increased, when the seeding pipe 414 upwards moves and leaves the grassland soil, the first elastic piece 408 drives the supporting seat 413 to move towards the external traction vehicle running direction, the seeding pipe 414 stops horizontally moving after being inserted into the grassland soil, the damage risk of the seeding pipe 414 is reduced, the reliability of the grassland seeding device is improved, and the seeding efficiency of the grassland seeding device is improved.
Example IV
As shown in fig. 6, this embodiment discloses a sowing device for grasslands, the structure of which is substantially the same as that of the third embodiment, and is different in that the sowing assembly 4 of this embodiment further includes a connecting member 416, a toothed plate 417 and a bearing 419, a sleeve 420 is sleeved on the sowing tube 414, the sowing tube 414 is rotatably connected with the sleeve 420 through the bearing 419, a plurality of tooth grooves are provided at equal angles on the outer peripheral side of the sleeve 420, a toothed plate 417 is fixed on the support frame 3 through the connecting member 416, the toothed plate 417 is engaged with the tooth grooves of the sleeve 420, the length direction of the toothed plate 417 is parallel to the width direction of the support frame 3, an elastic bar 418 or a metal needle is fixed at the bottom of the outer peripheral side of the sleeve 420, and the elastic bar 418 is an elastic steel wire or an elastic plastic bar.
The working process and principle of the embodiment are as follows:
after the seeding pipe 414 and the elastic strips 418 are moved downwards and inserted into the grassland soil, the seeding pipe 414 drives the supporting seat 413 to move along the width direction of the supporting frame 3, the toothed plate 417 horizontally moves compared with the seeding pipe 414, the toothed plate 417 drives the sleeve 420 and the elastic strips 418 to rotate around the seeding pipe 414, and the rotating elastic strips 418 crush the soil on the inner wall of the seeding hole so as to enhance the air permeability of the soil near the seeding hole.
After the mud is injected into the seeding holes, the rotary elastic strips 418 collapse the grassland soil at the openings of the seeding holes to shield the mud, so that the evaporation of the water in the mud is reduced, and the germination of grass seeds is ensured.
Example five
As shown in fig. 6, this embodiment discloses a sowing device for grasslands, which has a structure substantially the same as that of the fourth embodiment, except that a plurality of cutting teeth are provided at the bottom end of the sleeve 420 of this embodiment, and the height of the cutting teeth is lower than that of the bottom end of the sowing tube 414.
The working process and principle of the embodiment are as follows:
after the bottom end of the sleeve 420 contacts the straw, the cutting teeth on the sleeve 420 cut the straw at the bottom end of the sleeve 420 in the rotation process of the sleeve 420, so that the resistance of the sleeve 420 and the sowing pipe 414 to be inserted into the grassland soil is reduced.
Example six
As shown in fig. 7, this embodiment discloses a sowing device for grasslands, which has a structure substantially the same as that of the first embodiment, except that the sowing assembly 4 of this embodiment further includes an elastic sheet 421 mounted at the lower portion of the inner cavity of the sowing tube 414, the edge of the elastic sheet 421 is connected with the inner wall of the sowing tube 414 in a sealing manner, and a Y-shaped slot is formed in the elastic sheet 421, and the Y-shaped slot enables three triangular flaps to be formed on the elastic sheet 421.
When the slurry in the seeding pipe 414 presses the elastic sheet 421 downwards, the three triangular flaps on the elastic sheet 421 are turned downwards to enable the slurry in the seeding pipe 414 to flow out, when the slurry in the seeding pipe 414 does not flow, the three triangular flaps of the Y-shaped narrow holes on the elastic sheet 421 reset to block the lower part of the inner cavity of the seeding pipe 414, and the slurry dropped by gravity on the lower part of the seeding pipe 414 is reduced.
Example seven
As shown in fig. 1 to 4, this embodiment discloses a sowing device for grasslands, which has a structure substantially the same as that of the first embodiment, except that the driving assembly 2 of this embodiment includes a rotating shaft 202 mounted on a supporting frame 3 through a supporting bearing block, a cam 201 is mounted at a position outside the rotating shaft 202 corresponding to the top end of each sliding member 405, and a coaxial driving wheel 203 is mounted on the rotating shaft 202.
The seeding assembly 4 further comprises a third elastic piece 411, the third elastic piece 411 is connected with the sliding piece 405 and the supporting seat 413, the third elastic piece 411 is a spring, an elastic rod or an elastic air bag, the third elastic piece 411 accumulates elastic potential energy in the process that the sliding piece 405 moves downwards under external force, and the third elastic piece 411 drives the sliding piece 405 to move upwards after the external force on the sliding piece 405 disappears.
The driving wheel 203 is a gear or a belt pulley, the external traction vehicle drives the driving wheel 203 to rotate through an external power transmission device, the driving wheel 203 drives the cam 201 to rotate through the rotating shaft 202, and the rotating cam 201 enables the sliding piece 405 to periodically and vertically reciprocate.
Example eight
As shown in fig. 2 and 3, the present embodiment discloses a sowing device for grasslands, which has a structure substantially the same as that of the seventh embodiment, except that cams 201 on a rotating shaft 202 of the present embodiment are divided into at least two groups, and the deflection angles of the cams 201 of the different groups compared with the horizontal plane are different, and sliding members 405 of a sowing assembly 4 are moved downward at the same time, so as to reduce the requirement of the sowing device for grasslands on the maximum power input.
Example nine
As shown in fig. 2 and 3, this embodiment discloses a sowing device for grasslands, which has a structure substantially the same as that of the seventh embodiment, except that the sowing assembly 4 of this embodiment further includes a support table 402 mounted on the top end of the slider 405, the top side of the support table 402 being in contact with the edge of the cam 201, and the support table 402 stabilizing the pressing down action of the cam 201 on the slider 405.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sowing device for grasslands, which is characterized in that: the seeding machine comprises a feed box (1) and a support frame (3), wherein a plurality of seeding components (4) are arranged on the support frame (3) along the length direction of the support frame (3);
the seeding assembly (4) comprises a supporting seat (413) arranged on the supporting frame (3), a sliding piece (405) which slides vertically is arranged on the supporting seat (413), a connecting pipe (404) is arranged on the sliding piece (405), the top end of the connecting pipe (404) is connected with one end of a first guide pipe (403), the other end of the first guide pipe (403) is connected with an outlet of a one-way valve (401), an inlet of the one-way valve (401) is communicated with an inner cavity of the material box (1), the bottom end of the connecting pipe (404) is connected with the top end of an elastic pipe (406), the bottom end of the elastic pipe (406) is connected with the top end of the seeding pipe (414), the upper part outside the seeding pipe (414) is fixedly connected with the outer side of the sliding piece (405), a second guide bracket (412) which slides along the width direction of the supporting frame (3) is arranged on the supporting seat (413), a rotating pinch roller (412) is arranged at one end of the second guide bracket (412), a second guide bracket (412) is connected with the supporting seat (413), the bottom end of the elastic pipe (406) is connected with the elastic piece (407), and the elastic piece (407) is arranged between the second guide bracket (412);
the support frame (3) is provided with a driving component (2) for driving the sliding piece (405) to vertically reciprocate.
2. The sowing device for grasslands according to claim 1, wherein: the seeding assembly (4) further comprises an arc-shaped guide bracket (415), and the guide bracket (415) is arranged at the inner side of the sliding piece (405) at a position corresponding to the lower part of the elastic tube (406).
3. The sowing device for grasslands according to claim 2, wherein: the seeding assembly (4) further comprises a guide assembly arranged between the support frame (3) and the support seat (413), the guide assembly comprises a first guide support (409) arranged on the support frame (3), the support seat (413) is slidably arranged on the first guide support (409), the support seat (413) slides on the first guide support (409) along the width direction of the support frame (3), and a first elastic piece (408) is arranged between the support seat (413) and the support frame (3).
4. A grass planting apparatus as set forth in claim 3 wherein: the seeding assembly (4) further comprises a connecting piece (416) and a toothed plate (417), a sleeve (420) is sleeved on the seeding pipe (414), the seeding pipe (414) is connected with the sleeve (420) through a bearing (419), a plurality of toothed grooves are formed in the outer circumferential side of the sleeve (420) at equal angles, the toothed plate (417) is fixed to the support frame (3) through the connecting piece (416), the toothed plate (417) is meshed with the toothed grooves of the sleeve (420), the length direction of the toothed plate (417) is parallel to the width direction of the support frame (3), and an elastic strip (418) is fixed to the bottom of the outer circumferential side of the sleeve (420).
5. The sowing device for grasslands according to claim 4, wherein: a plurality of cutting teeth are arranged at the bottom end of the sleeve (420), and the height of the cutting teeth is lower than that of the bottom end of the sowing pipe (414).
6. The sowing device for grasslands according to claim 4, wherein: the elastic strip (418) is an elastic steel wire or an elastic plastic strip.
7. The sowing device for grasslands according to claim 1, wherein: the seeding assembly (4) further comprises an elastic sheet (421) arranged at the lower part of the inner cavity of the seeding tube (414), and Y-shaped narrow holes are formed in the elastic sheet (421).
8. The sowing device for grasslands according to claim 1, wherein: the driving assembly (2) comprises a rotating shaft (202) which is arranged on the supporting frame (3) and rotates, a cam (201) is arranged at the outer side of the rotating shaft (202) corresponding to the position of the top end of each sliding piece (405), and a coaxial driving wheel (203) is arranged on the rotating shaft (202);
the seeding assembly (4) further comprises a third elastic piece (411), and the third elastic piece (411) is connected with the sliding piece (405) and the supporting seat (413).
9. The lawn planting device according to claim 8, wherein: the cams (201) on the rotating shaft (202) are at least divided into two groups, and the deflection angles of the cams (201) in different groups are different compared with the horizontal plane.
10. The lawn planting device according to claim 8, wherein: the sowing assembly (4) further comprises a support table (402) mounted on the top end of the sliding piece (405), and the top side of the support table (402) is in contact with the edge of the cam (201).
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| CN117678381B CN117678381B (en) | 2024-04-19 |
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