CN112544149A

CN112544149A - High-precision field test seed and fertilizer positioning co-sowing device

Info

Publication number: CN112544149A
Application number: CN202011415214.7A
Authority: CN
Inventors: 蒋建平
Original assignee: Hangzhou Yibai New Material Technology Co ltd
Current assignee: Hangzhou Yibai New Material Technology Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-26

Abstract

The invention relates to the technical field of agriculture, and discloses a high-precision seed manure positioning and co-sowing device for field tests, which comprises a plate body and a threaded column, wherein the lower surface of the plate body is fixedly connected with a lower barrel, two sides of the upper surface of the plate body are respectively provided with a slot, each slot is internally provided with an elastic bent plate, the lower end of the lower barrel is fixedly connected with a transmission soil turning mechanism, the transmission soil turning mechanism is matched with a ring plate, a top column downwards drives the threaded column to move towards the transmission soil turning mechanism, meanwhile, the transmission soil turning mechanism is matched to be capable of circling up soil around crops below the lower barrel, in the descending process of the transmission soil turning mechanism, a claw in the transmission soil turning mechanism drives the ring plate to upwards move so that the soil around the crops sinks, and the application amount of fertilizer in the soil around the crops can be controlled through the rotating amplitude of the lower barrel driven by the top column and the threaded column, the fertilization amount is effectively controlled, the situation that fertilization is not accurate is avoided, and the precision of a fertilization test is ensured.

Description

High-precision field test seed and fertilizer positioning co-sowing device

Technical Field

The invention relates to the technical field of agriculture, in particular to a high-precision seed and fertilizer positioning co-sowing device for field tests.

Background

The evaluation of the effect of the formulated fertilizer or the establishment of a quantitative relationship between the vegetable yield and the fertilizing amount all relate to the problem of experimental design, and field experiments are the most effective ways of checking the optimal fertilizing amount, fertilizing proportion, fertilizing period, fertilizing method and the like, and are also the basic links of screening and verifying a soil nutrient testing method and establishing a fertilizing matching system.

At present, when the fertilizer application amount is tested in a field in a laboratory, the fertilizer is mostly manually applied to the soil with the test, and because the fertilizer needs to be far away from the root and branch parts of the crops during the fertilizer application, when the fertilizer is manually applied to the periphery of the crops, the position of the fertilizer applied to the soil is inconvenient to control, and the amount of the applied fertilizer cannot be controlled, so that the result after the test is possibly influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-precision seed fertilizer positioning and co-sowing device for the field test, which has the advantages of effectively controlling the fertilizing amount, avoiding the situation of inaccurate fertilizing, ensuring the precision of the fertilizing test and the like, and solves the problem that when the fertilizer is manually applied around crops, the position of the fertilizer applied on the soil is inconvenient to control, and the amount of the applied fertilizer cannot be controlled, so that the result after the test is possibly influenced.

(II) technical scheme

In order to effectively control the fertilizing amount, avoid the situation of inaccurate fertilization and ensure the precision of a fertilization test, the invention provides the following technical scheme: a high-precision seed and fertilizer positioning co-sowing device for field tests comprises a plate body and a threaded column, wherein a lower barrel body is fixedly connected to the lower surface of the plate body, an opening is formed below the lower barrel body, the lower end of the threaded column penetrates through the upper surface of the plate body and extends into the lower barrel body, a top column is fixedly connected to the upper end of the threaded column, two sides of the upper surface of the plate body are respectively provided with a slot, each slot is internally provided with an elastic bent plate, two ends of each elastic bent plate are respectively and fixedly connected to the outer wall surfaces of the top column and the lower barrel body, the top column is slidably connected into the plate body through the two elastic bent plates, the lower end of the lower barrel body is fixedly connected with a transmission soil turning mechanism, a lower cylinder and a lower vertical groove are arranged in the transmission soil turning mechanism, the lower cylinder is fixedly connected to the lower end of the lower, and the interior of the lower vertical groove is communicated with the lower surface of the lower cylinder, and a ring position plate is movably connected below the interior of the lower vertical groove.

Preferably, the transmission mechanism of digging still including two rotation grooves, two rotation grooves are seted up respectively on the outer wall of cylinder both sides down, and the inside in rotation groove is linked together with the inside of erecting the groove down, and the equal fixedly connected with axis of rotation in both sides of every rotation inslot wall, the equal activity of outside of every axis of rotation has cup jointed the claw of digging, digs the claw and passes through the axis of rotation and rotate to be connected in the inside in rotation groove.

The wall surface of one side of each digging claw, which is close to the lower vertical groove, is arranged into an arc shape, the lower end of each digging claw is fixedly connected with a short claw, and the length of each short claw is half of the length of the lower surface of the digging claw.

Preferably, circle position board is including outer circle plate, outer circle plate sliding connection digs between the claw in two, and outer circle plate is located down and erects the inslot, the middle part ring groove has been seted up to the upper surface of outer circle plate, the setting of middle part ring groove is including cyclic annular, the inside and the outside below of outer circle plate in middle part ring groove are linked together, the upper end fixedly connected with upper ring board in middle part ring groove, two three hornblocks of middle part ring inslot fixedly connected with, two three hornblocks are the symmetry setting at the middle part ring inslot, and the shape setting of three hornblocks includes into isosceles right angle form.

Preferably, the transmission mechanism of digging still includes the screw ring board, and the lower extreme of barrel is provided with the bearing down, and the upper end fixed connection of bearing inner race is in the lower extreme of barrel down, and the inner circle fixed connection of bearing is cylindrical outside down, and lower cylinder passes through the bearing and drives barrel below rotation under, screw ring board fixed connection is on the inner wall of erecting the groove down, and the screw ring board sets up to be the ring form, and the inner circle setting of screw ring board is including becoming the screw thread form, and screw thread post threaded connection is to the inner circle on the screw ring board.

Preferably, every dig all be provided with fertilizing mechanism in the claw, every fertilizing mechanism all includes notch and lower notch, goes up the notch and sets up in the upper surface of digging the claw, and goes up the notch and set up including becoming to leak hopper-shaped, and lower notch is seted up and is dug the claw and be close to the surface of erecting groove one side down, and lower notch sets up including becoming the L shape, and the inside of notch is linked together with the inside of last notch down, has seted up the inside groove in the lower notch.

Preferably, the inside of inside groove is provided with driving gear and short claw, and the both ends of driving gear rotate respectively and connect in the inside both sides wall face of inside groove on, and the middle part of axis of rotation is located the top in the inside groove, and the semicircle tooth is fixed to be cup jointed in the outside of axis of rotation, and short claw and driving gear be the meshing connection, and the meshing of the below of driving gear connects the rack, rack sliding connection is in the diapire in the inside groove.

Preferably, the upper wall fixedly connected with in the inside groove erects the form short slab, and erects the form short slab and set up in the one side of being close to lower notch, erects the form short slab and is located the top of rack, and the rack is close to the one end fixedly connected with push pedal of lower notch, and the height of push pedal is the same with the height in the inside groove, and the push pedal passes through rack sliding connection in the inside of inside groove, and the top of push pedal is provided with the draw-in groove, and the inner wall of notch under the draw-in groove was seted up to the draw-in groove, and the inside sliding connection of.

Preferably, the both sides of plate body upper surface all are provided with stop gear, every stop gear all including the shell body with, shell body fixed connection is in the upper surface of plate body, the shape of shell body sets up including the L shape, set up on the shell body is close to a lateral wall of elasticity bent plate, the inside of shell body is provided with three group's cardboards, every group's cardboard comprises two cardboards, the equal fixed connection of every cardboard is in the upper surface of plate body, the L shape is all set to every cardboard, swing joint has the spreader between three group's cardboards, the one end fixedly connected with that the spreader is close to the elasticity bent plate bulldozes the pole, it runs through in and extends to the shell body outside.

Preferably, the upper wall in the outer shell is fixedly connected with a pressing plate, the lower end of the pressing plate is fixedly connected with a compression spring, the compression spring is connected in the outer shell in a sliding mode through the pressing plate, and the lower surface of the compression spring is attached to the clamping plate.

(III) advantageous effects

Compared with the prior art, the invention provides the high-precision seed and fertilizer positioning co-sowing device for the field test, and the device has the following beneficial effects:

1. this high-accuracy field is experimental with seed manure location with ware, through setting up transmission mechanism of turning over soil and cooperating the position board, via driving the fore-set downwards screw thread post and moving to the transmission mechanism of turning over soil in, cooperation transmission mechanism of turning over soil can be with the soil encirclement around the lower barrel below crop simultaneously, and in the transmission mechanism of turning over soil decline in-process by the transmission mechanism of turning over soil in dig the claw drive position board rebound make the soil around the crop sink, and apply fertilizer around the crop via the position board afterwards, via can control the weight that fertilizer applied at soil around the crop through the fore-set with screw thread post drive down barrel pivoted range simultaneously, effectual control the fertilization volume, avoid appearing the inaccurate situation of fertilization, guarantee the precision of fertilization experiment.

2. This field experiment that precision is high is with seed manure location with ware of broadcasting digs claw and short claw through setting up, and barrel rotation can drive down the cylinder in the soil of crop in step rotates down, and lower cylinder can drive when rotating and dig claw and short claw and rotate in soil, by digging the difference in height of claw and short claw upper and lower level simultaneously, increases the degree of stirring after the soil rotates around the crop to the fertilizer of being convenient for gets into soil.

3. This field experiment that precision is high is with seed manure location with ware of broadcasting, through setting up three hornblocks of upper ring board and middle part circular groove cooperation, the outer circular board rises in two claws of digging and carries out the circle to the crop regularly, by the protection of upper ring board with the height of crop, can avoid fertilizer to pile up at the middle part circular groove by the guide of three hornblocks again simultaneously, reaches the effect that fertilizer can fully evenly fall on soil.

4. This field test that precision is high is with seed manure location co-seeding ware, can place the fertilizer of waiting to apply through setting up notch and lower notch, simultaneously when digging the claw and rotate in the axis of rotation, the position of digging the claw changes, dig the claw simultaneously and drive the driving gear and crisscross removal of semicircle tooth, this moment via the semicircle tooth drive the driving gear rotate and borrow the direction of rack notch downwards to remove by the driving gear, thereby can release fertilizer outside digging the claw, and in the cambered surface guide accuracy entering middle part ring inslot of digging the claw after releasing, reach fertilizer and drop automatically and apply, guarantee simultaneously that fertilizer drops the accurate effect in position.

5. This field test that precision is high is with seed manure location co-seeding ware, through setting up stop gear, can be when the user pushes down the fore-set, can change the distance that the baffle is close to the elasticity bent plate via adjusting the spreader with the position that bulldozes the pole in three group's cardboards, simultaneously at the in-process of fore-set downstream, the elasticity bent plate can be crooked in the fluting, the maximum distance that can be crooked with the elasticity bent plate by the baffle established at first simultaneously can be injectd, can receive stopping of baffle and stop pushing down when the fore-set descends to the maximum position that the elasticity bent plate is crooked, thereby avoid the screw thread post to drive the situation that fertilizer lasts the fertilization, effectually guaranteed that fertilizer can not too much exert.

6. This field experiment that precision is high is with fertile location of seed with ware of broadcasting through setting up compression spring and clamp plate, exerts elasticity to the clamp plate via compression spring, is pushed down the spreader to three groups of cardboards by compression spring simultaneously in, avoids the spreader to bounce out the outer situation of cardboard by the applied pressure elasticity of elasticity bent plate when in the cardboard, has guaranteed stop gear stability at the during operation.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view partially in section of the plate body shown in FIG. 1 according to the present invention;

FIG. 3 is a front view partially in section of the plate body shown in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

fig. 5 is a schematic perspective view of the circle plate of fig. 1 according to the present invention.

In the figure: 1. a plate body; 11. a lower cylinder body; 12. a threaded post; 13. an elastic bending plate; 14. a top pillar; 15. grooving; 16. a bearing; 2. a transmission soil turning mechanism; 21. a lower cylinder; 22. a lower vertical groove; 23. a rotating groove; 24. digging a claw; 25. a threaded ring plate; 26. a short claw; 27. a rotating shaft; 3. a ring position plate; 31. an upper annular plate; 32. a triangular block; 33. a middle circular groove; 34. an outer circular plate; 4. a limiting mechanism; 41. an outer housing; 42. clamping a plate; 43. a cross post; 44. pressing a plate; 45. a compression spring; 46. a push rod; 47. a baffle plate; 5. a fertilizing mechanism; 51. an upper notch; 52. a lower notch; 53. a partition plate; 54. a card slot; 55. a vertical short plate; 56. a semicircular tooth; 57. an inner tank; 58. a transmission gear; 59. a rack; 510. a push plate.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular element.

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. 1-5, the present invention provides a technical solution: a high-precision seed and fertilizer positioning co-sowing device for field tests comprises a plate body 1 and a threaded column 12, wherein the lower surface of the plate body 1 is fixedly connected with a lower barrel body 11, the lower part of the lower barrel body 11 is arranged in an open shape, the lower end of the threaded column 12 penetrates through the upper surface of the plate body 1 and extends into the lower barrel body 11, the upper end of the threaded column 12 is fixedly connected with a top column 14, two sides of the upper surface of the plate body 1 are respectively provided with a slot 15, each slot 15 is internally provided with an elastic bent plate 13, two ends of each elastic bent plate 13 are respectively fixedly connected to the top column 14 and the outer wall surface of the lower barrel body 11, the top column 14 is slidably connected into the plate body 1 through the two elastic bent plates 13, the lower end of the lower barrel body 11 is fixedly connected with a transmission soil turning mechanism 2, the transmission soil turning mechanism 2 comprises a lower cylinder 21 and a lower vertical groove 22, the lower cylinder 21 is fixedly connected to the lower end of the lower barrel body, the interior of the lower vertical groove 22 is communicated with the lower surface of the lower column 21, and the lower part in the lower vertical groove 22 is movably connected with the ring position plate 3.

The transmission mechanism of digging 2 is still including two rotation grooves 23, and two rotation grooves 23 are seted up respectively on the outer wall of cylinder 21 both sides down, and the inside of rotating groove 23 is linked together with the inside of erecting groove 22 down, and every rotates the equal fixedly connected with axis of rotation 27 in both sides of 23 inner walls of groove, and the claw 24 has been dug in the equal activity of outside of every axis of rotation 27 has been cup jointed, and the claw 24 that digs rotates through axis of rotation 27 and connects in the inside of rotating groove 23.

Every dig the wall surface that claw 24 is close to lower vertical slot 22 one side and all set up into the camber line shape, and every lower extreme of digging claw 24 all fixedly connected with short claw 26, the length of short claw 26 sets up to dig one-half of claw 24 lower surface length, through setting up dig claw 24 and short claw 26, barrel 11 is rotatory can drive down cylinder 21 simultaneously and rotate in the soil of crop down, lower cylinder 21 can drive when rotating and dig claw 24 and short claw 26 and rotate in soil, by digging the difference in height of claw 24 and short claw 26 upper and lower level simultaneously, increase the degree of turning after the soil rotates around the crop, thereby be convenient for fertilizer gets into soil.

The circle plate 3 comprises an outer circle plate 34, the outer circle plate 34 is connected between the two digging claws 24 in a sliding mode, the outer circle plate 34 is located in the lower vertical groove 22, a middle circular groove 33 is formed in the upper surface of the outer circle plate 34, the middle circular groove 33 is arranged to be annular, the inner portion of the middle circular groove 33 is communicated with the lower portion of the outer circle plate 34, an upper circular plate 31 is fixedly connected to the upper end of the middle circular groove 33, two triangular blocks 32 are fixedly connected to the inner portion of the middle circular groove 33, the two triangular blocks 32 are symmetrically arranged in the middle circular groove 33, the shape of the triangular block 32 is arranged to be isosceles right angle-shaped, the upper circular plate 31 and the middle circular groove 33 are matched with the triangular block 32, when the outer circle plate 34 rises in the two digging claws 24 to circle crops, the height of the crops is protected by the upper circular plate 31, meanwhile, fertilizer accumulation in the middle circular groove 33 can be avoided through the guiding of the triangular block 32, the effect that the fertilizer can fall on the soil fully and uniformly is achieved.

The transmission mechanism of digging 2 is still including threaded ring board 25, the lower extreme of barrel 11 is provided with bearing 16 down, the upper end fixed connection of bearing 16 outer lane is in the lower extreme of barrel 11 down, and bearing 16's inner circle fixed connection is in the outside of cylinder 21 down, cylinder 21 passes through bearing 16 and drives under barrel 11 below rotation down, threaded ring board 25 fixed connection is on the inner wall of erecting groove 22 down, threaded ring board 25 sets up and is the ring form, and threaded ring board 25's inner circle sets up including the threading form, threaded post 12 threaded connection is to threaded ring board 25's inner circle.

Every dig all be provided with fertilizing mechanism 5 in the claw 24, every fertilizing mechanism 5 all includes notch 51 and lower notch 52, goes up notch 51 and sets up in the upper surface of digging claw 24, and goes up notch 51 and set up including leaking hopper-shaped, and lower notch 52 sets up in digging claw 24 and be close to the surface of erecting groove 22 one side down, and lower notch 52 sets up including becoming the L shape, and the inside of lower notch 52 is linked together with the inside of last notch 51, has seted up inside groove 57 in the lower notch 52.

The inner groove 57 is internally provided with a transmission gear 58 and a short claw 26, two ends of the transmission gear 58 are respectively connected to two side wall surfaces in the inner groove 57 in a rotating manner, the middle part of the rotating shaft 27 is positioned above the inner groove 57, the semicircular gear 56 is fixedly sleeved outside the rotating shaft 27, the short claw 26 is connected with the transmission gear 58 in a meshing manner, the lower part of the transmission gear 58 is connected with a rack 59 in a meshing manner, and the rack 59 is connected to the bottom wall in the inner groove 57 in a sliding manner.

The upper wall in the inner groove 57 is fixedly connected with a vertical short plate 55, the vertical short plate 55 is arranged at one side close to the lower notch 52, the vertical short plate 55 is positioned above the rack 59, one end of the rack 59 close to the lower notch 52 is fixedly connected with a push plate 510, the height of the push plate 510 is the same as that in the inner groove 57, the push plate 510 is connected with the inner part of the inner groove 57 in a sliding way through the rack 59, a clamping groove 54 is arranged above the push plate 510, the clamping groove 54 is opened at the inner wall of the lower notch 52, a partition plate 53 is connected with the inner part of the clamping groove 54 in a sliding way, the lower end of the partition plate 53 is fixedly connected with the upper end of the push plate 510, fertilizer to be applied can be placed through the upper notch 51 and the lower notch 52, simultaneously, the position of the digging claw 24 is changed when the digging claw 24 rotates on the rotating shaft 27, the digging claw 24 drives the transmission teeth 58 to move in a staggered way with the semicircular teeth 56, at the moment, the transmission teeth, thereby can push out fertilizer to digging claw 24 outward to in the soil of the cambered surface guide accuracy entering middle part ring groove 33 of digging claw 24 after pushing out, reach fertilizer and drop automatically and apply, guarantee the accurate effect in fertilizer drop position simultaneously.

The two sides of the upper surface of the plate body 1 are provided with the limiting mechanisms 4, each limiting mechanism 4 comprises an outer shell 41 and 48, the outer shell 41 is fixedly connected to the upper surface of the plate body 1, the shape of the outer shell 41 is set to be L-shaped, the 48 is arranged on one side wall of the outer shell 41 close to the elastic bending plate 13, three groups of clamping plates 42 are arranged inside the outer shell 41, each group of clamping plates 42 is composed of two clamping plates 42, each clamping plate 42 is fixedly connected to the upper surface of the plate body 1, each clamping plate 42 is set to be L-shaped, cross columns 43 are movably connected among the three groups of clamping plates 42, one ends of the cross columns 43 close to the elastic bending plate 13 are fixedly connected with pushing rods 46, the pushing rods 46 penetrate through the inner walls 48 and extend to the outer part of the outer shell 41, through the limiting mechanisms 4, when a user presses the top column 14 downwards, the distance of the baffle 47 close to the elastic bending plate 13 can be changed through adjusting the, meanwhile, in the process that the ejection column 14 moves downwards, the elastic bending plate 13 can be bent in the groove 15, meanwhile, the maximum bending distance of the elastic bending plate 13 can be limited by the baffle 47 which is firstly arranged, and the ejection column 14 can be stopped to be pressed downwards by the baffle 47 when descending to the maximum bending position of the elastic bending plate 13, so that the situation that the threaded column 12 drives the fertilizer to continuously fertilize is avoided, and the fertilizer is effectively prevented from being applied too much.

Upper wall fixedly connected with clamp plate 44 in the shell body 41, the lower extreme fixedly connected with compression spring 45 of clamp plate 44, compression spring 45 passes through clamp plate 44 sliding connection in shell body 41, and compression spring 45's lower surface laminating is on cardboard 42, through setting up compression spring 45 and clamp plate 44, exert elasticity to clamp plate 44 via compression spring 45, simultaneously by compression spring 45 with the spreader 43 push down to three groups of cardboard 42 in, avoid spreader 43 in cardboard 42 by the applied pressure spring bounce-out situation outside cardboard 42 of elasticity bent plate 13, guaranteed stop gear 4 stability at the during operation.

When in use, the utility model is used,

firstly, through setting up the transmission mechanism 2 that digs soil and cooperate the circle position board 3, via with the apical pole 14 move the screw thread post 12 downwards to the transmission mechanism 2 that digs soil, cooperate the transmission mechanism 2 that digs soil simultaneously and can circle the soil around the crop below barrel 11 down, and in the decline in-process of transmission mechanism 2 that digs soil, drive circle position board 3 by digging claw 24 in the transmission mechanism 2 that digs soil and move upwards and make the soil around the crop sink, and apply fertilizer around the crop via circle position board 3 afterwards, simultaneously can control the weight that fertilizer applied at the soil around the crop through the rotatory range of barrel 11 down of apical pole 14 and screw thread post 12 drive, effectual control is measured to the effectual volume of fertiliziing, avoid appearing the situation that the fertilization is inaccurate, guarantee the precision of fertilization experiment

Second step, through setting up dig claw 24 and short claw 26, barrel 11 is rotatory can drive down cylinder 21 simultaneously and is rotatory in the soil of crop down, and lower cylinder 21 can drive when rotating and dig claw 24 and short claw 26 and rotate in soil, by digging claw 24 and the difference in height of short claw 26 upper and lower level simultaneously, increases the degree of stirring after the soil rotates around the crop to the fertilizer of being convenient for gets into soil.

Third step, through setting up three hornblocks 32 of upper ring board 31 and middle part ring groove 33 cooperation, rise in two digging claws 24 at outer ring board 34 and carry out the circle timing to the crop, by the protection of upper ring board 31 with the height of crop, can avoid fertilizer to pile up in middle part ring groove 33 by the guide of three hornblocks 32 again simultaneously, reach the effect that fertilizer can fully evenly fall on soil.

Fourth step, can place the fertilizer of waiting to apply through setting up notch 51 and lower notch 52, simultaneously when digging claw 24 pivoted on axis of rotation 27, the position of digging claw 24 changes, dig claw 24 simultaneously and drive driving teeth 58 and semicircle tooth 56 staggered movement, drive driving teeth 58 through semicircle tooth 56 this moment and rotate and borrow the direction of rack 59 to notch 52 downwards by driving teeth 58 and remove, thereby can release fertilizer outside digging claw 24, and in the soil of cambered surface guide accuracy entering middle part ring groove 33 of digging claw 24 after releasing, reach fertilizer and drop automatically and apply, guarantee the accurate effect of fertilizer drop position simultaneously.

Fifthly, by arranging the limiting mechanism 4, when the user presses the ejection column 14 downwards, the distance of the baffle 47 close to the elastic bent plate 13 can be changed by adjusting the positions of the cross column 43 and the pushing rod 46 in the three groups of clamping plates 42, and meanwhile, in the process that the ejection column 14 moves downwards, the elastic bent plate 13 can be bent in the slot 15, meanwhile, the maximum distance of the bending of the elastic bent plate 13 can be limited by the baffle 47 which is arranged at first, and when the ejection column 14 descends to the maximum position of the bending of the elastic bent plate 13, the elastic bent plate can be stopped to be pressed downwards by the baffle 47, so that the situation that the threaded column 12 drives the fertilizer to continuously fertilize is avoided, and the situation that the fertilizer cannot be applied too much is effectively ensured.

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 field test that precision is high is with fertile location of seed with ware of broadcasting, includes plate body (1) and screw thread post (12), barrel (11) under the fixed surface of plate body (1) is connected with, and the below of lower barrel (11) sets to the opening form, and the lower extreme of screw thread post (12) runs through the upper surface of plate body (1) and extends in the inside of barrel (11) down, upper end fixedly connected with fore-set (14) of screw thread post (12), its characterized in that: fluting (15) have all been seted up to the both sides of plate body (1) upper surface, all be provided with elasticity bent plate (13) in every fluting (15), the both ends difference fixed connection of two elasticity bent plates (13) is on the outer wall of fore-set (14) and lower barrel (11), fore-set (14) are through two elasticity bent plate (13) sliding connection in plate body (1), lower extreme fixedly connected with transmission soil turning mechanism (2) of barrel (11) down, including cylinder (21) and lower perpendicular groove (22) in transmission soil turning mechanism (2), the lower extreme of cylinder (21) fixed connection barrel (11) down, erect groove (22) down and open the inside of cylinder (21) down, and the inside and the lower cylinder (21) lower surface of erecting groove (22) are linked together down, erect below swing joint in groove (22) down and have a circle position board (3).

2. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 1, wherein: transmission mechanism of digging (2) is still including two rotation grooves (23), two rotation grooves (23) are seted up respectively on the outer wall of cylinder (21) both sides down, and the inside of rotating groove (23) is linked together with the inside of erecting groove (22) down, the equal fixedly connected with axis of rotation (27) in both sides of every rotation groove (23) inner wall, the outside of every axis of rotation (27) is all movably cup jointed and is dug claw (24), dig claw (24) rotate through axis of rotation (27) and connect in the inside of rotating groove (23).

3. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 2, wherein: the wall surface of one side of each digging claw (24), which is close to the lower vertical groove (22), is arc-shaped, the lower end of each digging claw (24) is fixedly connected with a short claw (26), and the length of each short claw (26) is half of the length of the lower surface of the digging claw (24).

4. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 1, wherein: circle position board (3) are including outer circle plate board (34), outer circle plate board (34) sliding connection digs between claw (24) for two, and outer circle plate board (34) are located down and erect in groove (22), middle part ring groove (33) have been seted up to the upper surface of outer circle plate board (34), middle part ring groove (33) set up including the annuliform, the inside and the outside below of outer circle plate board (34) of middle part ring groove (33) are linked together, upper end fixedly connected with upper ring board (31) of middle part ring groove (33), two three hornblocks (32) of fixedly connected with in middle part ring groove (33), two three hornblocks (32) are the symmetry setting in middle part ring groove (33), and the shape of three hornblocks (32) sets up including the isosceles right angle form.

5. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 1, wherein: the transmission mechanism of digging (2) is still including screw ring board (25), the lower extreme of lower barrel (11) is provided with bearing (16), the upper end fixed connection of bearing (16) outer lane is in the lower extreme of barrel (11) down, and the inner circle fixed connection of bearing (16) is in the outside of lower cylinder (21), lower cylinder (21) pass through bearing (16) and drive barrel (11) below rotation down, screw ring board (25) fixed connection is on the inner wall of erecting groove (22) down, screw ring board (25) set up and are the ring form, and the inner circle setting of screw ring board (25) is including becoming the screw thread form, screw thread post (12) threaded connection is to on the inner circle of screw ring board (25).

6. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 2, wherein: every dig all be provided with fertilizing mechanism (5) in claw (24), every fertilizing mechanism (5) all including last notch (51) and lower notch (52), go up notch (51) and set up in the upper surface of digging claw (24), and go up notch (51) and set up including becoming to leak hopper-shaped, lower notch (52) are seted up and are dug claw (24) and be close to the surface of erecting groove (22) one side down, lower notch (52) set up including becoming the L shape, and the inside of lower notch (52) is linked together with the inside of last notch (51), interior groove (57) have been seted up in lower notch (52).

7. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 6, wherein: the inside of inside groove (57) is provided with driving gear (58) and short claw (26), and the both ends of driving gear (58) rotate respectively and connect on the both sides wall face in inside groove (57), and the middle part of axis of rotation (27) is located the top in inside groove (57), and semicircle tooth (56) are fixed to be cup jointed in the outside of axis of rotation (27), and short claw (26) are connected for the meshing with driving gear (58), and the below meshing of driving gear (58) connects rack (59), and rack (59) sliding connection is in the diapire in inside groove (57).

8. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 7, wherein: the utility model discloses a slot, including inside groove (57), last wall fixedly connected with in inside groove (57) erects form short slab (55), and erect form short slab (55) and set up in the one side that is close to lower notch (52), erect form short slab (55) and be located the top of rack (59), rack (59) are close to one end fixedly connected with push pedal (510) of lower notch (52), the height of push pedal (510) is the same with the height in inside groove (57), and push pedal (510) pass through rack (59) sliding connection in the inside of inside groove (57), the top of push pedal (510) is provided with draw-in groove (54), the inner wall of notch (52) is seted up down in draw-in groove (54), the inside sliding connection of draw-in groove (54) has baffle (53), the lower extreme fixed connection of baffle (53) is in the.

9. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 1, wherein: plate body (1) upper surface's both sides all are provided with stop gear (4), every stop gear (4) all are including shell body (41) and (48), shell body (41) fixed connection is in the upper surface of plate body (1), the shape of shell body (41) sets up including becoming the L shape, (48) set up on shell body (41) are close to a lateral wall of elasticity bent plate (13), the inside of shell body (41) is provided with three group's cardboard (42), every group cardboard (42) comprises two cardboard (42), the equal fixed connection in the upper surface of plate body (1) of every cardboard (42), every cardboard (42) all set into the L shape, swing joint has spreader (43) between three group's cardboard (42), one end fixedly connected with that spreader (43) are close to elasticity bent plate (13) bulldozes pole (46), bulldoze pole (46) run through in (48) and extend to shell body (41) outside.

10. The high-precision seed and fertilizer positioning and co-sowing device for the field test as claimed in claim 9, wherein: the upper wall fixedly connected with clamp plate (44) in shell body (41), the lower extreme fixedly connected with compression spring (45) of clamp plate (44), compression spring (45) pass through clamp plate (44) sliding connection in shell body (41), and the lower surface laminating of compression spring (45) is on cardboard (42).