CN113439507A

CN113439507A - Hand seeder of adjustable seeding interval

Info

Publication number: CN113439507A
Application number: CN202110734640.5A
Authority: CN
Inventors: 黄乃凡
Original assignee: Individual
Current assignee: Hengyang Yousheng Agricultural Development Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-09-28
Anticipated expiration: 2041-06-30
Also published as: CN113439507B

Abstract

The invention relates to the technical field of agricultural production and discloses a hand-push seeder capable of adjusting seeding intervals. Through the connecting rod, the bracing piece, a groove, the latch, the setting of take-up unit, make when one of them unloading awl is under, this moment this bracing piece can upwards pop out the card in the recess, it is rotatory to drive the line wheel simultaneously, make the connecting block on this moment this connecting rod right side can separate with it, lead to being in the connecting rod at rear, anticlockwise motion under supporting spring's resilience force effect, support tightly until each gag lever post contact, can realize the isopycnic and plant the crop promptly, not only can ensure that the casing can continuously advance, and when advancing the seeding, interval between the unloading awl of the place ahead equals, ensure to carry out the isopycnic crop seeding.

Description

Hand seeder of adjustable seeding interval

Technical Field

The invention relates to the technical field of agricultural production, in particular to a hand-push seeder capable of adjusting seeding space.

Background

The hand seeder is the planting machine with crops, seeds as the seeding object, the hand seeder has the characteristics of even seeding, uniform depth, stable row spacing, good earthing, seed saving, high working efficiency and the like, and mainly comprises a frame, a storage box, a seeding wheel and a blanking cone.

But the existing agricultural hand-push type seeder still has the defects in the actual use process: in the agricultural production process, for different crop seeds, the required seeding density and the required interval are different, and the planting density and the required interval of planting the same crop in different environmental climates are different, while the blanking cones of the traditional hand-push seeder are uniformly distributed on the seeding wheel, the interval is difficult to adjust, generally, the seeds requiring different planting densities are dealt with by detaching or adding a plurality of groups of blanking cones, but the mode is complex to operate, and in order to make the interval between every group of seeding identical, all the blanking cones need to be detached and recombined, and the interval between every group of blanking cones is difficult to accurately ensure equal, namely the interval of the subsequent seeding cannot be ensured, so that the seeding interval is uneven, and the subsequent crop growth is influenced.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the hand-push seeder capable of adjusting the seeding distance, which has the advantages of simple and convenient adjustment and adaptability to the planting density of various crops, and solves the problems in the background technology.

The invention provides the following technical scheme: a hand-push seeder capable of adjusting seeding space comprises a frame, wherein one end of the frame is fixedly connected with a fixed shaft, two ends of the fixed shaft are provided with material storage barrels fixedly connected with the frame, the inner sides of two ends of the fixed shaft are movably sleeved with a shell, the middle part of the fixed shaft is fixedly connected with a fixed ring, the middle part of the bottom end of the fixed ring is provided with a groove, two sides of the fixed ring are respectively provided with a limit ring fixedly connected with the fixed shaft, the middle parts of the two limit rings are movably sleeved with a plurality of groups of connecting rods, two sides of the connecting rods close to one end of the fixed ring are respectively provided with a limit rod, the middle part of the connecting rods is movably sleeved with a support rod, one end of the support rod close to the fixed ring is movably sleeved with a latch movably sleeved with the connecting rod, the middle part of the connecting rod is provided with a tightening device, the tightening device comprises a cavity arranged in the connecting rod and a connecting rod fixedly connected with the support rod, the utility model discloses a cavity activity, including connecting rod, stay cord, connecting rod, reset spring, cavity, stay cord, other end fixedly connected with connecting block, the both sides at connecting rod middle part all are provided with the connecting block, reset spring has been cup jointed in the outside activity at connecting rod middle part, the both ends activity of connecting rod has cup jointed the line wheel that cup joints with the cavity activity, the stay cord has been cup jointed in the side activity of line wheel, the stay cord is for there being elastic material to make, the other end fixedly connected with connecting block of stay cord, the other end fixedly connected with supporting spring of connecting block, the other end fixedly connected with unloading awl of connecting rod.

Preferably, the activity room has been seted up to the inside of fixed axle, the piston plate has been cup jointed in the middle part activity of activity room, the middle part fixedly connected with and the nut of fixed axle threaded connection of piston plate one end, the inside packing of activity room has hydraulic oil, the one end of activity room is provided with sets up the hydraulic pressure chamber inside the fixed axle, the both ends intercommunication in hydraulic pressure chamber has sets up the intercommunication chamber inside solid fixed ring, the outside activity in intercommunication chamber has cup jointed a plurality of groups of piston rods, the other end activity of piston rod has cup jointed sets up the regulation chamber inside the connecting rod, the both sides equal activity in regulation chamber has cup jointed the gag lever post.

Preferably, a limiting cavity is formed in the connecting rod close to one end of the blanking cone, a sliding block fixedly connected with the supporting rod is movably sleeved in the middle of the limiting cavity, a through hole is formed in the middle of the sliding block, and a blanking pipe arranged in the connecting rod is arranged at the bottom of the limiting cavity.

Preferably, the connecting blocks connected with the pull rope in the connecting blocks on the two sides of the middle part of the connecting rod are contacted with but not connected with the connecting rod, and the connecting blocks on the other sides not connected with the pull rope are fixedly connected with the connecting rod.

Preferably, two sets of arc-shaped limiting grooves are formed in the inner side of the wire wheel, and in an initial state, the reset spring is always in a compressed state.

The invention has the following beneficial effects:

1. through the connecting rod, the supporting rod, the groove, the latch and the elastic device, when seeding, one of the discharging cones is positioned under, at the moment, the latch at one end of the supporting rod, which is close to the fixing ring, can be popped out and clamped in the groove under the elastic action of the reset spring, and simultaneously, the line wheel is driven to rotate, so that the connecting block at the right side of the connecting rod can be separated from the latch at the moment, and the connecting rod at the rear is led to move anticlockwise under the elastic action of the supporting spring until all the limiting rods are contacted and abutted tightly, namely, equal-density crop planting can be realized, in the process of advancing seeding, after each discharging cone is seeded, the discharging cone can rotate anticlockwise to the front, so that the casing can be ensured to continuously advance, and when the seeding is advanced, the space between the front discharging cones is equal, the equal-density crop seeding can be ensured, and simultaneously, along with the upward movement of the supporting rod, the slider can be brought to move upwards, so that the through hole is positioned in the seed cavity in the shell, and automatic blanking can be realized.

2. Through the arrangement of the nut, the hydraulic cavity, the fixing ring and the limiting rods, before sowing, according to the planting density of different seeds needing to be sown, the nut is rotated, when the needed planting density is smaller, the nut is rotated to a shallower depth, the limiting rods on two sides are retracted, the interval between two adjacent limiting rods is enlarged, when sowing is carried out, the connecting rod rotates anticlockwise under the action of the supporting spring to be smaller than the interval between the previous connecting rod, namely, small-density planted crops can be realized, and similarly, when crops with higher planting density are needed to be sown, the nut only needs to be screwed in, the limiting rods are controlled to extend out by a larger length, the interval between two adjacent connecting rods in the sowing time can be increased, large-density sowing can be carried out, the extending amount of the limiting rods can be quickly adjusted through the nut, and the interval of each blanking cone in the sowing time can be controlled, but also can ensure the uniform planting density.

Drawings

FIG. 1 is a schematic view of the interior of a structural shell according to the present invention;

FIG. 2 is a schematic view of structure A of the present invention;

FIG. 3 is a schematic view of structure B of the present invention;

FIG. 4 is a schematic view of structure C of the present invention;

FIG. 5 is a schematic view of structure D of the present invention;

FIG. 6 is an internal view of a structural mounting shaft according to the present invention;

FIG. 7 is a schematic view of structure E of the present invention;

FIG. 8 is a schematic view of structure F of the present invention;

FIG. 9 is a schematic view of a structural link of the present invention;

fig. 10 is a schematic overall appearance of the structure of the present invention.

In the figure: 1. a frame; 2. a fixed shaft; 3. a storage barrel; 4. a housing; 5. an activity room; 6. a piston plate; 7. a nut; 8. a hydraulic chamber; 9. a fixing ring; 10. a communicating cavity; 11. a piston rod; 12. a groove; 13. a connecting rod; 14. an adjustment chamber; 15. a limiting rod; 16. a limiting ring; 17. a support bar; 18. clamping teeth; 19. a take-up unit; 191. a cavity; 192. a connecting rod; 193. a return spring; 194. a wire wheel; 195. pulling a rope; 196. connecting blocks; 20. a support spring; 21. a limiting cavity; 22. a slider; 23. a through hole; 24. a discharging pipe; 25. and (5) discharging a cone.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a hand seeder capable of adjusting seeding spacing comprises a frame 1, a fixed shaft 2 is fixedly connected to one end of the frame 1, a material storage barrel 3 fixedly connected to the frame 1 is arranged at both ends of the fixed shaft 2, a housing 4 is movably sleeved at the inner sides of both ends of the fixed shaft 2, a fixed ring 9 is fixedly connected to the middle of the fixed shaft 2, a groove 12 is formed in the middle of the bottom end of the fixed ring 9, limit rings 16 fixedly connected to the fixed shaft 2 are respectively arranged at both sides of the fixed ring 9, a plurality of groups of connecting rods 13 are movably sleeved at the middle of the two limit rings 16, limit rods 15 are respectively arranged at both sides of the connecting rods 13 near one end of the fixed ring 9, a support rod 17 is movably sleeved at the middle of the connecting rods 13, a latch 18 movably sleeved with the connecting rods 13 is movably sleeved at one end of the support rod 17 near the fixed ring 9, a tightening device 19 is arranged at the middle of the connecting rods 13, the take-up unit 19 is including offering at the inside cavity 191 of connecting rod 13 and with bracing piece 17 fixed connection's connecting rod 192, the both sides at connecting rod 13 middle part all are provided with connecting block 196, reset spring 193 has been cup jointed in the outside activity at connecting rod 192 middle part, the both ends activity of connecting rod 192 has cup jointed the line wheel 194 that cup joints with cavity 191 activity, stay cord 195 has been cup jointed in the side activity of line wheel 194, stay cord 195 is for not having elastic material to make, the other end fixedly connected with connecting block 196 of stay cord 195, the other end fixedly connected with supporting spring 20 of connecting block 196, the other end fixedly connected with unloading awl 25 of connecting rod 13.

Wherein, the interior of the fixed shaft 2 is provided with a movable chamber 5, the middle part of the movable chamber 5 is movably sleeved with a piston plate 6, the middle part of one end of the piston plate 6 is fixedly connected with a nut 7 in threaded connection with the fixed shaft 2, the interior of the movable chamber 5 is filled with hydraulic oil, one end of the movable chamber 5 is provided with a hydraulic cavity 8 arranged in the interior of the fixed shaft 2, two ends of the hydraulic cavity 8 are communicated with a communicating cavity 10 arranged in the interior of the fixed ring 9, the outer side of the communicating cavity 10 is movably sleeved with a plurality of groups of piston rods 11, the other end of each piston rod 11 is movably sleeved with an adjusting cavity 14 arranged in the interior of a connecting rod 13, two sides of the adjusting cavity 14 are movably sleeved with limiting rods 15, before sowing, the nut 7 is rotated according to the planting density of seeds to be sowed, when the required planting density is smaller, the nut 7 is rotated to a shallower depth, at the moment, the piston plate 6 moves to the left, so that the piston rod 11 moves towards the inner side of the fixed ring 9 under the action of the hydraulic oil, make and adjust 14 inside production negative pressures in chamber, make both sides gag lever post 15 withdraw, make the interval grow between two adjacent gag lever posts 15, lead to when the seeding, connecting rod 13 diminishes with the interval between the preceding connecting rod 13 in anticlockwise rotation under supporting spring 20's effect, can realize the low density and plant the crop promptly, the same reason, when the great crop of density is planted in needs seeding, only need precession nut 7, control gag lever post 15 stretches out great length, just can increase the interval between two adjacent connecting rods 13 in the time of seeding, can be in order to carry out the high density seeding.

Wherein, connecting rod 13 has been close to the inside of unloading awl 25 one end and has been seted up spacing chamber 21, and the middle part activity in spacing chamber 21 has cup jointed the slider 22 with bracing piece 17 fixed connection, and through-hole 23 has been seted up at the middle part of slider 22, and the bottom in spacing chamber 21 is provided with the unloading pipe 24 of seting up in connecting rod 13 inside, can realize automatic unloading, ensures that only the unloading awl 25 that is in under (being in promptly planting the hole) can the feeding unloading.

Wherein, the connecting blocks 196 connected with the pulling rope 195 in the connecting blocks 196 at two sides of the middle part of the connecting rod 13 are contacted with but not connected with the connecting rod 13, while the connecting blocks 196 at the other side not connected with the pulling rope 195 are fixedly connected with the connecting rod 13, when the blanking cone 25 is positioned right below, i.e. in the seeding pit, the latch at one end of the supporting rod 17 close to the fixing ring 9 can be popped out and clamped in the groove 12 under the elastic force of the reset spring 193, at this time, the supporting rod 17 moves upwards to drive the wire wheel 194 to rotate, so that the wire wheel 194 emits the pulling rope 195, the connecting block 196 at the right side of the connecting rod 13 can be separated from the latch, while the connecting blocks 196 at two sides of the middle part of the other connecting rod 13 not in the seeding state are still in the state of being tightly attached to the connecting rod 13, so that the connecting rod 13 at the rear part moves anticlockwise under the elastic force of the supporting spring 20 until the limiting rods 15 are contacted and tightly abutted, not only can the housing 4 be ensured to continuously advance, but also when the seeding is advanced, the spacing between the front blanking cones 25 is equal, and the seeding can be carried out at equal density.

Wherein, two sets of arc-shaped limit grooves are arranged on the inner side of the wire wheel 194, and the reset spring 193 is always in a compressed state in an initial state.

The working principle is that when sowing, as the casing 4 advances in the field, when one of the discharging cones 25 is positioned right below, i.e. in the sowing pit, at the moment, the latch at one end of the support rod 17 close to the fixing ring 9 can be popped out and clamped in the groove 12 under the elastic force of the return spring 193, at the moment, as the support rod 17 moves upwards, the connecting rod 192 moves in the arc-shaped limit grooves at two sides inside the wire wheel 194 to drive the wire wheel 194 to rotate, so that the wire wheel 194 emits the pull rope 195, so that the connecting block 196 at the right side of the connecting rod 13 can be separated from the pull rope, so that the connecting rod 13 at the rear moves anticlockwise under the elastic force of the support spring 20 until the limit rods 15 contact and abut tightly, in the process of advancing sowing, after each discharging cone 25 finishes sowing, the connecting rod can rotate anticlockwise to the front, thereby not only ensuring that the casing 4 can continuously advance, but also when advancing and sowing, the distance between the front discharging cones 25 is equal, and simultaneously, the sliding block 22 can be driven to move upwards along with the upward movement of the supporting rod 17, so that the through hole 23 is positioned in the seed cavity in the shell 4, and automatic discharging can be realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hand seeder of adjustable seeding interval, includes frame (1), the one end fixedly connected with fixed axle (2) of frame (1), the both ends of fixed axle (2) are provided with storage vat (3) with frame (1) fixed connection, casing (4), its characterized in that have been cup jointed in the inboard activity at fixed axle (2) both ends: the middle part of the fixed shaft (2) is fixedly connected with a fixed ring (9), the middle part of the bottom end of the fixed ring (9) is provided with a groove (12), both sides of the fixed ring (9) are provided with limit rings (16) fixedly connected with the fixed shaft (2), the middle parts of the two limit rings (16) are movably sleeved with a plurality of groups of connecting rods (13), both sides of one end, close to the fixed ring (9), of each connecting rod (13) are provided with limit rods (15), the middle part of each connecting rod (13) is movably sleeved with a supporting rod (17), one end, close to the fixed ring (9), of each supporting rod (17) is movably sleeved with a latch (18) movably sleeved with the corresponding connecting rod (13), the middle part of each connecting rod (13) is provided with a tightening device (19), each tightening device (19) comprises a cavity (191) arranged inside the corresponding connecting rod (13) and a connecting rod (192) fixedly connected with the corresponding supporting rod (17), the utility model discloses a material unloading device, including connecting rod (13), cavity (191), stay cord (195), connecting rod (13) and connecting rod (196), the both ends activity of connecting rod (192) middle part has cup jointed reset spring (193), line wheel (194) that cup joints with cavity (191) activity have been cup jointed in the activity of the outside at connecting rod (192) middle part, stay cord (195) have been cup jointed in the activity of the side of line wheel (194), stay cord (195) are made for no elastic material, the other end fixedly connected with connecting block (196) of stay cord (195), the other end fixedly connected with supporting spring (20) of connecting block (196), the other end fixedly connected with unloading awl (25) of connecting rod (13).

2. The hand seeder of claim 1, wherein: activity room (5) have been seted up to the inside of fixed axle (2), piston plate (6) have been cup jointed in the middle part activity of activity room (5), the middle part fixedly connected with of piston plate (6) one end and fixed axle (2) threaded connection's nut (7), the inside packing of activity room (5) has hydraulic oil, the one end of activity room (5) is provided with sets up in the inside hydraulic pressure chamber (8) of fixed axle (2), the both ends intercommunication in hydraulic pressure chamber (8) has set up in the inside intercommunication chamber (10) of solid fixed ring (9), a plurality of piston rod groups (11) have been cup jointed in the outside activity in intercommunication chamber (10), the other end activity of piston rod (11) has cup jointed and has set up in the inside regulation chamber (14) of connecting rod (13), the both sides of adjusting chamber (14) are all movably cup jointed gag lever (15).

3. The hand seeder of claim 1, wherein: connecting rod (13) are close to the inside of unloading awl (25) one end and have been seted up spacing chamber (21), the middle part activity in spacing chamber (21) has cup jointed slider (22) with bracing piece (17) fixed connection, through-hole (23) have been seted up at the middle part of slider (22), the bottom in spacing chamber (21) is provided with sets up in connecting rod (13) inside unloading pipe (24).

4. The hand seeder of claim 1, wherein: the connecting blocks (196) connected with the pull rope (195) in the connecting blocks (196) on two sides of the middle part of the connecting rod (13) are in contact with the connecting rod (13) but are not connected, and the connecting blocks (196) on the other side which are not connected with the pull rope (195) are fixedly connected with the connecting rod (13).

5. The hand seeder of claim 1, wherein: two sets of arc-shaped limiting grooves are formed in the inner side of the wire wheel (194), and in an initial state, the reset spring (193) is always in a compressed state.