CN104541698A - Reseeding mechanism of rolling type seeder - Google Patents

Abstract

The invention relates to a reseeding mechanism of a rolling type seeder. A gear chamber is arranged at one side of an inner machine body; a seeding gear and a swing arm gear meshed with each other are arranged in the gear chamber; an outer meshed ratchet wheel, an inner meshed ratchet wheel and a swing arm are arranged on the shaft of the swing arm gear; a shifting rod is arranged on the swing arm; a first pull spring is connected to the shifting rod; a seeding wheel is arranged in a seed box at the other side of the inner machine body; a detection cutter guide rod is arranged on the inner machine body; a cutter frame sleeves one end of the detection cutter guide rod; the cutter frame and the detection cutter guide rod are in key connection; two detection cutters are arranged at one end of the cutter frame; a second pull spring is connected to the other end of the cutter frame; a limiting rod is fixedly connected to one end of the detection cutter guide rod; a torsion spring is arranged on the limiting rod; first and second limiting blocks are arranged on the swing arm; the limiting rod is movably connected with the first limiting block in a pressing manner; the second limiting block is movably connected with a stop block on the inner machine body in a pressing manner; and an acousto-optic alarm is arranged on the seed box. The seeder with the reseeding mechanism disclosed by the invention has the advantages of reliability in reseeding, good effect, time saving and labor saving while seeding, the seeding quality is ensured, and manpower is saved.

Description

A kind of rolling type sowing implement reseed mechanism

Technical field

The invention provides one and reseed mechanism, particularly a kind of rolling type sowing implement reseed mechanism.

Background technology

Existing rolling wheel type seeder, hole broadcast leakage phenomenon is there is once in a while in ubiquity seeding process, especially when broadcasting the seed of long flat type, broadcast leakage phenomenon is more outstanding, the underproduction caused thus is the heavy losses of agricultural production, rolling type sowing implement reseed mechanism, mostly increase in the side of seeding wheel and reseed wheel, when lacking kind in seeding wheel, reseed wheel by link gear and seeding wheel synchronous axial system, make to reseed wheel to carry out reseeding action, existing link gear, mainly be divided into electromagnetic absorption joint type and mechanical type, adopt electromagnetic absorption joint type, when holding in kind of hole scarce kind, sowing shaft electromagnetic force will be reseeded axle and be held and rotate simultaneously, make to reseed axle to reseed, shortcoming is that cost is high, power supply obtains inconvenient, when electric power is weak, adhesive is unreliable, in use procedure, sowing shaft and reseeding between axle is easily mingled with, cause action clamping stagnation or inefficacy, it is unreliable to use, use mechanical type to carry out spy to seeding wheel plant and link to reseeding wheel, number of components used is many, and at mechanical field, structure its fault rate more complicated is higher, above-mentioned reason all causes the device work of reseeding of prior art unreliable, in order to avoid there is broadcast leakage in peasant, carry with some loose kind, in seeding process, head to be hanged down all the time examine and whether have seed to fall in the sowing duckbilled of folding, as found broadcast leakage, will reseed immediately, and continue to keep visual cognitive ability easily to make people tired, make the efficiency of sowing low.

Summary of the invention

What the object of this invention is to provide a kind of rolling type sowing implement reseeds mechanism, is provided with the seeder that this technology reseeds mechanism, and it is reliable, effective, time saving and energy saving to reseed when seeding operation.

Technical scheme of the present invention is: a kind of rolling type sowing implement reseed mechanism, comprise the outer wheel body (1) of seeder, interior body (2) and central principal axis (3), wherein interior body and central principal axis are connected, and outer wheel body and central principal axis axis hole are rotationally connected, the periphery of outer wheel body is fixed with several sowings duckbilled (5), outer wheel body inner headed face is fixed with and relative with sowing duckbilled quantity same position leads kind of a storehouse (25), the outlet respectively leading kind of storehouse is communicated with corresponding sowing duckbilled inside respectively, the side that outer wheel body is relative with interior body is laid with the reversed column (4) identical with sowing duckbilled quantity along week, side relative with outer wheel body on interior body is provided with gear chamber (6), sowing gear (7) is housed in gear chamber respectively, swing arm gear (8), travelling gear (27) and hair wheel gear (26), wherein sowing gear and central principal axis axis hole are rotationally connected, travelling gear, the locular wall axis hole of hair wheel gear and gear chamber is rotationally connected, swing arm gear is rotationally connected by the locular wall axis hole of swing arm gear shaft (14) with gear chamber, travelling gear and swing arm gear respectively with sowing gears meshing, hair wheel gear engages with travelling gear, the swing arm gear shaft of swing arm gear is equipped with external toothing ratchet, internal messing ratchet and swing arm (16), external toothing ratchet has external toothing ratchet (9) and anti-reversing shell fragment (10), internal messing ratchet has internal messing ratchet (15) and two can opening and closing activity ratchet (13), wherein external toothing ratchet is connected with swing arm gear axle key, the locular wall of anti-reversing shell fragment one end and gear chamber is connected, the teeth activity apical grafting that the anti-reversing shell fragment other end is corresponding with on external toothing ratchet respectively, external toothing ratchet is provided with convex (42), convex is radially provided with a groove, the edge of convex is provided with two symmetrical recesses (43), described two can be placed in two recesses by opening and closing activity ratchet respectively, two can be respectively equipped with gap in opening and closing activity ratchet one end, two can gap on opening and closing activity ratchet relative with the groove of convex respectively, two can in the gap of opening and closing activity ratchet and the groove of convex built with the elastic wire (18) of an O shape, the groove activity clamping of elastic wire and convex, elastic wire can be provided with that one end of gap is respectively movable to be crimped by opening and closing activity ratchet with two, two can corresponding with on the internal messing ratchet respectively teeth activity apical grafting of the other end of opening and closing activity ratchet, internal messing ratchet (15) and swing arm are connected, swing arm is connected with swing arm gear axle key, described external toothing ratchet is identical with the swaying direction of internal messing ratchet, described swing arm is provided with driving lever (17), the first extension spring (12) driving lever is equipped with, one end of first extension spring and driving lever mount, the other end and the interior body of the first extension spring mount, driving lever crimps with each reversed column activity on outer wheel body successively, the opposite side of interior body is provided with kind of a case, plant case built with seeding wheel (30) and hair wheel (32), hair wheel is rotationally connected with the tank wall axis hole of planting case, hair wheel is connected with hair wheel gear key, the crimping along side face is movable along side face and seeding wheel of hair wheel, kind case space above seeding wheel is kinds of bank deposits storehouse (28), kind case space below seeding wheel is planting storehouse (39), outlet bottom planting storehouse is communicated with the entrance of respectively leading kind of storehouse successively, seeding wheel and central principal axis axis hole are rotationally connected, seeding wheel is connected with sowing gear key, groove (41) is planted clearly in being provided with along side face of seeding wheel, seeding wheel is laid with several appearances kind of hole (31) along clear groove direction of planting, it is characterized in that: described interior body is equipped with and visits cutter guide rod (36), shaft and the interior body axis hole of visiting cutter guide rod are rotationally connected, the two ends visiting cutter guide rod are placed in planting storehouse and gear chamber respectively, one end cover that spy cutter guide rod is placed in planting storehouse has knife rest (33), knife rest is provided with keyway (34), keyway is built-in with flat key (35), flat key is flexibly connected with keyway, flat key is connected with spy cutter guide rod, the spy cutter (37) relative with seeding wheel supernatant kind grooved position is equipped with in one end of knife rest, tail end and the knife rest of visiting cutter are connected, the blade visiting cutter is flexibly connected with the cell wall of planting clearly groove, the head end visiting cutter is cheated relative successively with kind of holding each on seeding wheel, the other end of knife rest is connected with the second extension spring (38), the two ends of the second extension spring mount with knife rest and interior body respectively, visit the gag lever post (24) that one end that cutter guide rod is placed in gear chamber is fixed with L shape, torsion spring (22) is equipped with in one end that gag lever post is connected with spy cutter guide rod, one end of torsion spring and the shaft of gag lever post mount, the other end of torsion spring crimps with backing pin (23) activity, backing pin and interior body are connected, described torsion spring is contrary with the force direction of the second extension spring, and the torsion of torsion spring is less than the pulling force of the second extension spring, described swing arm is provided with the first limited block (11) for limiting swing arm corner and the second limited block (20), first limited block crimps with the other end activity of gag lever post, described gear chamber is fixed with block (19), second limited block crimps with block activity.

Clear kind of groove on described seeding wheel is two, and knife rest is provided with plants clearly two corresponding respectively spy cuttves of groove with two, and two visit cuttves is arranged side by side, and two tail ends visiting cuttves are connected with knife rest respectively, two head ends visiting cuttves with on seeding wheel each hold plant cheat relative successively.

Advantage of the present invention is: be provided with the rolling type sowing implement that this technology reseeds mechanism, and it is reliable, effective, time saving and energy saving to reseed when seeding operation; Gear ratio according to the appearance kind hole quantity on seeding wheel in rolling type sowing implement and swing arm gear and sowing gear calculates position angle between first, second limited block, when the first limited block crimps with gag lever post, swing arm drives seeding wheel to rotate an appearance kind of a position, hole under the drive of reversed column, namely seeding wheel is made to carry out sowing action by interlock, when the second limited block crimps with block, swing arm drives seeding wheel to rotate two appearances kind of position, hole under the drive of reversed column, namely by interlock, seeding wheel is completed and reseeds action; With use compared with the rolling type sowing implement reseeding and take turns and carry out reseeding in prior art, the structure of reseeding mechanism of a kind of rolling type sowing implement of the present invention is simple, reliable operation, and seeding quality is good; Double spy cutter is set, spy kind can be made more accurate.

Accompanying drawing explanation

Fig. 1 is the interior schematic diagram reseeding mechanism of a kind of rolling type sowing implement of the present invention;

Fig. 2 is the enlarged diagram in I portion in Fig. 1;

Fig. 3 is the rearview of Fig. 1;

Fig. 4 be in Fig. 3 along A-A to profile.

1 outer wheel body in figure, body in 2, 3 central principal axis, 4 reversed columns, 5 sowing duckbilleds, 6 gear chamber, 7 sowing gears, 8 swing arm gears, 9 external toothing ratchets, 10 anti-reversing shell fragments, 11 first limited blocks, 12 first extension springs, 13 can opening and closing activity ratchet, 14 swing arm gear shafts, 15 internal messing ratchets, 16 swing arms, 17 driving levers, 18 elastic wires, 19 blocks, 20 second limited blocks, 21 microswitches, 22 torsion springs, 23 backing pins, 24 gag lever posts, 25 lead kind of a storehouse, 26 maos of wheel gears, 27 travelling gears, 28 kinds of bank deposits storehouses, 29 audible-visual annunciators, 30 seeding wheels, 31 hold kind of a hole, 32 maos of wheels, 33 knife rests, 34 keyways, 35 flat keys, 36 visit cutter guide rod, 37 visit cutter, 38 second extension springs, 39 planting storehouses, 40 convex keys, 41 plant groove clearly, 42 convexs, 43 recesses.

Embodiment

Rolling type sowing implement reseed a mechanism, comprise the outer wheel body 1 of seeder, interior body 2 and central principal axis 3, wherein, body and central principal axis are connected, and outer wheel body and central principal axis axis hole are rotationally connected, the periphery of outer wheel body is fixed with several sowing duckbilleds 5, outer wheel body inner headed face is fixed with and relative with sowing duckbilled quantity same position leads kind of storehouse 25, the outlet respectively leading kind of storehouse is communicated with corresponding sowing duckbilled inside respectively, the side that outer wheel body is relative with interior body is laid with the reversed column 4 identical with sowing duckbilled quantity along week, side relative with outer wheel body on interior body is provided with gear chamber 6, sowing gear 7 is housed in gear chamber respectively, swing arm gear 8, travelling gear 27 and hair wheel gear 26, wherein sowing gear and central principal axis axis hole are rotationally connected, travelling gear, the locular wall axis hole of hair wheel gear and gear chamber is rotationally connected, swing arm gear is rotationally connected by the locular wall axis hole of swing arm gear shaft 14 with gear chamber, travelling gear and swing arm gear respectively with sowing gears meshing, hair wheel gear engages with travelling gear, the swing arm gear shaft of swing arm gear is equipped with external toothing ratchet, internal messing ratchet and swing arm 16, external toothing ratchet has external toothing ratchet 9 and anti-reversing shell fragment 10, internal messing ratchet has internal messing ratchet 15 and two can opening and closing activity ratchet 13, wherein external toothing ratchet is connected with swing arm gear axle key, the locular wall of anti-reversing shell fragment one end and gear chamber is connected, the teeth activity apical grafting that the anti-reversing shell fragment other end is corresponding with on external toothing ratchet respectively, external toothing ratchet is provided with convex 42, convex is radially provided with a groove, the edge of convex is provided with two symmetrical recesses 43, described two can be placed in two recesses by opening and closing activity ratchet respectively, two can be respectively equipped with gap in opening and closing activity ratchet one end, two can gap on opening and closing activity ratchet relative with the groove of convex respectively, two can in the gap of opening and closing activity ratchet and the groove of convex built with the elastic wire 18 of an O shape, the groove activity clamping of elastic wire and convex, elastic wire can be provided with that one end of gap is respectively movable to be crimped by opening and closing activity ratchet with two, two can corresponding with on the internal messing ratchet respectively teeth activity apical grafting of the other end of opening and closing activity ratchet, namely convex be in internal messing ratchet two can the frame of opening and closing activity ratchet, internal messing ratchet 15 and swing arm are connected, swing arm is connected with swing arm gear axle key, described external toothing ratchet is identical with the swaying direction of internal messing ratchet, described swing arm is provided with driving lever 17, the first extension spring 12 driving lever is equipped with, one end of first extension spring and driving lever mount, the other end and the interior body of the first extension spring mount, driving lever crimps with each reversed column activity on outer wheel body successively, the opposite side of interior body is provided with kind of a case, plant case built with seeding wheel 30 and hair wheel 32, hair wheel is rotationally connected with the tank wall axis hole of planting case, hair wheel is connected with hair wheel gear key, the crimping along side face is movable along side face and seeding wheel of hair wheel, kind case space above seeding wheel is kinds of bank deposits storehouse 28, kind case space below seeding wheel is planting storehouse 39, outlet bottom planting storehouse is communicated with the entrance of respectively leading kind of storehouse successively, seeding wheel and central principal axis axis hole are rotationally connected, seeding wheel is connected with sowing gear key, the present embodiment establishes convex key 40 on sowing gear, seeding wheel is established corresponding hole, by the convex key on sowing gear and the cooperation in hole on seeding wheel, seeding wheel is connected with sowing gear key, being provided with along side face of seeding wheel plants groove 41 clearly, seeding wheel is laid with several appearance kind of holes 31 along clear groove direction of planting, body is equipped with in described and visits cutter guide rod 36, shaft and the interior body axis hole of visiting cutter guide rod are rotationally connected, the two ends visiting cutter guide rod are placed in planting storehouse and gear chamber respectively, one end cover that spy cutter guide rod is placed in planting storehouse has knife rest 33, knife rest is provided with keyway 34, keyway is built-in with flat key 35, flat key is flexibly connected with keyway, flat key is connected with spy cutter guide rod, the spy cutter 37 relative with seeding wheel supernatant kind grooved position is equipped with in one end of knife rest, tail end and the knife rest of visiting cutter are connected, the blade visiting cutter is flexibly connected with the cell wall of planting clearly groove, the head end visiting cutter is cheated relative successively with kind of holding each on seeding wheel, the other end of knife rest is connected with the second extension spring 38, the two ends of the second extension spring mount with knife rest and interior body respectively, visit the gag lever post 24 that one end that cutter guide rod is placed in gear chamber is fixed with L shape, torsion spring 22 is equipped with in one end that gag lever post is connected with spy cutter guide rod, one end of torsion spring and the shaft of gag lever post mount, the other end of torsion spring crimps with backing pin 23 activity, backing pin and interior body are connected, described torsion spring is contrary with the force direction of the second extension spring, and the torsion of torsion spring is less than the pulling force of the second extension spring, described swing arm is provided with the first limited block 11 and the second limited block 20 for limiting swing arm corner, first limited block crimps with the other end activity of gag lever post, described gear chamber is fixed with block 19, second limited block crimps with block activity, first is calculated with the gear ratio of sowing gear according to the appearance kind hole quantity on seeding wheel in rolling type sowing implement and swing arm gear, position angle between the second limited block, when the first limited block crimps with gag lever post, swing arm drives seeding wheel to rotate an appearance kind of a position, hole under the drive of reversed column, namely seeding wheel is made to carry out sowing action by interlock, when the second limited block crimps with block, swing arm drives seeding wheel to rotate two appearances kind of position, hole under the drive of reversed column, namely by interlock, seeding wheel is completed and reseed action, clear kind of groove on described seeding wheel is two, and knife rest is provided with plants clearly two corresponding respectively spy cuttves of groove with two, and two visit cuttves is arranged side by side, and two tail ends visiting cuttves are connected with knife rest respectively, two head ends visiting cuttves with on seeding wheel each hold plant cheat relative successively, because seed differs holding the state in kind of hole, whether two spy cuttves can better detect to hold in kind of hole has seed to exist, improves the precision visited and plant, described kind case is equipped with audible-visual annunciator 29, the switch of audible-visual annunciator is microswitch 21, housing and the gear chamber of microswitch are connected, the second described limited block crimps with the action reed activity of microswitch, audible-visual annunciator is commercially available prod, by power supply, luminous tube, loudspeaker and switch composition, wherein power supply is provided with power switch, cut off the power supply of audible-visual annunciator by power switch when not using, luminous tube is connected with power supply by switch with loudspeaker, microswitch in this technology also belongs to commercially available prod, by the action reed pressed on microswitch, power supply is powered to luminous tube and loudspeaker, thus carry out sounding and lighting alarm, mechanism is reseeded in work to operator's prompting, as repeatedly reported to the police, illustrate that seeding wheel appearance kind of hole is too little, seed is excessive, operator is reminded to change seeding wheel in time, otherwise can strengthen reseed mechanism reseed number of times, the degree of wear, as one can only be reseeded when there is two holes continuously, be provided with narrow gap between described flat key and the inwall of keyway, visit cutter guide rod movable in this free clearance, the difference in size between seed grain can be adapted to, prevent mechanical errors from running.

Convex on the present embodiment China and foreign countries mesh ratchet gear China and foreign countries engaging ratchet teeth is provided with two can opening and closing activity ratchet, external toothing ratchet is close to gear locular wall and is peripherally uniformly distributed multiple teeth, two can be had by opening and closing activity ratchet, be arranged in two recesses symmetrical on the convex of external toothing ratchet with the diameter being less than internal messing ratchet, gap can be provided with in the middle of opening and closing activity ratchet, on external toothing ratchet in convex external diameter on along being provided with a circle groove week, by elastic steel traveler by this groove and can gap in the middle of opening and closing activity ratchet, two open-shaped states of internal messing ratchet dive elastic cuffs outside on engaging ratchet teeth convex two recesses in, anti-reversing shell fragment one end is fixedly connected with the locular wall of gear chamber, the anti-reversing shell fragment other end crimps with each teeth on external toothing ratchet or contacts successively, can engage with the activity of internal messing ratchet by opening and closing activity ratchet, internal messing ratchet and swing arm are connected, in the present embodiment two can opening and closing activity ratchet by an elastic steel traveler by two recesses symmetrical on the convex of elastic cuffs engaging ratchet teeth outside of diving, this convex is that external toothing ratchet China and foreign countries engaging ratchet teeth is connected the central protuberance part of rocker gear axle key.

In the present embodiment, the detailed operation of inside and outside mesh ratchet gear is: the axis hole of sowing gear and central principal axis is rotationally connected, swing arm gear is rotationally connected by gear chamber cinclides and gear locular wall by swing arm gear shaft, sowing gear and swing arm gear engage each other, swing arm gear shaft is set with the external toothing ratchet coordinated with swing arm internal messing ratchet that is connected, anti-reversing shell fragment one end in external toothing ratchet is fixed on the locular wall of gear chamber, and the other end withstands in the inclined-plane teeth on external toothing ratchet.At the convex that the centre of the internal messing ratchet be connected with swing arm is external toothing ratchet, the edge of this convex is arranged with two recesses, be equipped with two in recess respectively and can be provided with gap by opening and closing activity ratchet, convex is provided with groove along week, one elastic steel traveler hoop, can in opening and closing activity ratchet two nests of being dived on the convex periphery of elastic cuffs engaging ratchet teeth outside by wire loop by the gap in the middle part of self in groove.When outer wheel body forward running, reversed column on outer wheel body is touched and is pushed driving lever, driving lever linking swing arm makes internal messing ratchet broadcast direction rotation to seed, two on the convex of external toothing ratchet can become the teeth on reverse open configuration and internal messing ratchet to nibble tightly by opening and closing activity ratchet, make transmission swing arm gear, sowing gear, seeding wheel broadcasts direction to seed and rotates, when seeding wheel rotational travel is after the stroke in appearance kind of a hole on seeding wheel, driving lever has departed from stirring of reversed column, seeding wheel suspends rotation, driving lever reversed turning under the effect of the first extension spring, now the anti-reversing shell fragment of external toothing ratchet withstands in the inclined-plane teeth of external toothing ratchet, two on external toothing ratchet in convex two recess can opening and closing activity ratchet because of in nibble and rotate backward with ratchet conjunction of taking advantage of a situation and crouch in recess, do not produce with internal messing ratchet and engage, swing arm gear, sowing gear, seeding wheel is not followed swing arm and is reversely rotated, remain static, outer wheel body continues forward running, when next reversed column touch again push driving lever time, said mechanism restarts, i.e. sowing course of action next time, repeat successively, in described, external toothing ratchet is common components in mechanical field, also in crying, external toothing formula ratchet mechanism, described convex is the frame in internal messing ratchet mechanism.

The operating principle of mechanism of the present invention is set forth: when holding in kind of hole scarce kind below in conjunction with accompanying drawing, the support that corresponding spy cutter loses seed is cheated with appearance kind, knife rest rotates and makes spy cutter probe in appearance kind of hole under the pulling force of the second extension spring, after free clearance when between the keyway of the flat key and knife rest of visiting cutter guide rod is eliminated, visit cutter guide rod to rotate under the drive of knife rest, the gag lever post of the spy cutter guide rod other end and the first limited block are departed from, after losing the restriction of the first limited block, swing arm makes the second limited block crimp with block along rotating backward of internal messing ratchet swaying direction under the pulling force of the first extension spring, now in swing arm driving lever along reversed column traffic direction reverse along swing arm gear shaft circumference displacement, namely the initial rotation angle of swing arm is increased, second limited block presses the action reed on microswitch simultaneously simultaneously, microswitch drives audible-visual annunciator to carry out sounding and lighting alarm, prompting is reseeded, the pulling force that swing arm overcomes the first extension spring when reversed column stirs driving lever drives the external toothing ratcheting action that swaying direction is identical along rotating forward of internal messing ratchet swaying direction simultaneously, increase the swing arm of Initial Turning Angle stir the drive of driving lever in reversed column under its rotational angle strengthen, thus add the rotational angle of swing arm gear driven sowing gear, finally make sowing gear drive seeding wheel to rotate two by convex key and hold kind of a position, hole, wherein first is held in kind of hole is the hole that spy cutter detects, the seed held in kind of hole by second is reseeded, complete and reseed action, when there being seed in next appearance kind of hole, visit cutter by seed jack-up, the flat key visiting cutter guide rod enters in the free clearance of knife rest keyway completely, under the effect of torsion spring, gag lever post is displaced to relative with the first limited block, now, reversed column continues to rotate with outer wheel body to be separated with driving lever, driving lever after being separated with reversed column under the pulling force of the first extension spring along the reversed turning of internal messing ratchet swaying direction, namely while driving lever disengaging reversed column sets back under the effect of the first extension spring, can forward close in recess by opening and closing activity ratchet in internal messing ratchet, make driving lever, internal messing ratchet idle running in swing arm, seeding wheel remains static, due to the playback of gag lever post, stop after first limited block is crimped with gag lever post, now, the initial rotation angle of driving lever and swing arm comparatively goes up an action and reduces, when next reversed column stirs driving lever, driving lever drives swing arm to make seeding wheel rotate an appearance kind of a position, hole by swing arm gear driven sowing gear, complete sowing action, so far, complete an actuation cycle or repeat above process successively.

A kind of rolling type sowing implement of the present invention reseed mechanism, when there is hole in seeding wheel in appearance kind of process, pulling force due to the second extension spring on knife rest is greater than the torsion of torsion spring on gag lever post, spy cutter is probeed in hole and drives gag lever post and the first limited block to depart from simultaneously, swing arm makes the second limited block crimp with block in the effect of the first extension spring, can make swing arm under reversed column promotes the effect of driving lever, drive seeding wheel to rotate two and hold kind of a position, hole, wherein first is held kind of a hole is hole, second holds kind of a hole has broadcasted a seed, reach the object that hole is reseeded, make none broadcast leakage of single grain fine sowing, its effect is that prior art is irrealizable, on the seeder that characteristic of the present invention can be widely used in Manual-pushing and fertilizing and seeding apparatus, also can be used on the large-scale sower of power traction.

Claims (2)

1. rolling type sowing implement reseed a mechanism, comprise the outer wheel body (1) of seeder, interior body (2) and central principal axis (3), wherein, body and central principal axis are connected, and outer wheel body and central principal axis axis hole are rotationally connected, the periphery of outer wheel body is fixed with several sowings duckbilled (5), outer wheel body inner headed face is fixed with and relative with sowing duckbilled quantity same position leads kind of a storehouse (25), the outlet respectively leading kind of storehouse is communicated with corresponding sowing duckbilled inside respectively, the side that outer wheel body is relative with interior body is laid with the reversed column (4) identical with sowing duckbilled quantity along week, side relative with outer wheel body on interior body is provided with gear chamber (6), sowing gear (7) is housed in gear chamber respectively, swing arm gear (8), travelling gear (27) and hair wheel gear (26), wherein sowing gear and central principal axis axis hole are rotationally connected, travelling gear, the locular wall axis hole of hair wheel gear and gear chamber is rotationally connected, swing arm gear is rotationally connected by the locular wall axis hole of swing arm gear shaft (14) with gear chamber, travelling gear and swing arm gear respectively with sowing gears meshing, hair wheel gear engages with travelling gear, the swing arm gear shaft of swing arm gear is equipped with external toothing ratchet, internal messing ratchet and swing arm (16), external toothing ratchet has external toothing ratchet (9) and anti-reversing shell fragment (10), internal messing ratchet has internal messing ratchet (15) and two can opening and closing activity ratchet (13), wherein external toothing ratchet is connected with swing arm gear axle key, the locular wall of anti-reversing shell fragment one end and gear chamber is connected, the teeth activity apical grafting that the anti-reversing shell fragment other end is corresponding with on external toothing ratchet respectively, external toothing ratchet is provided with convex (42), convex is radially provided with a groove, the edge of convex is provided with two symmetrical recesses (43), described two can be placed in two recesses by opening and closing activity ratchet respectively, two can be respectively equipped with gap in opening and closing activity ratchet one end, two can gap on opening and closing activity ratchet relative with the groove of convex respectively, two can in the gap of opening and closing activity ratchet and the groove of convex built with the elastic wire (18) of an O shape, the groove activity clamping of elastic wire and convex, elastic wire can be provided with that one end of gap is respectively movable to be crimped by opening and closing activity ratchet with two, two can corresponding with on the internal messing ratchet respectively teeth activity apical grafting of the other end of opening and closing activity ratchet, internal messing ratchet (15) and swing arm are connected, swing arm is connected with swing arm gear axle key, described external toothing ratchet is identical with the swaying direction of internal messing ratchet, described swing arm is provided with driving lever (17), the first extension spring (12) driving lever is equipped with, one end of first extension spring and driving lever mount, the other end and the interior body of the first extension spring mount, driving lever crimps with each reversed column activity on outer wheel body successively, the opposite side of interior body is provided with kind of a case, plant case built with seeding wheel (30) and hair wheel (32), hair wheel is rotationally connected with the tank wall axis hole of planting case, hair wheel is connected with hair wheel gear key, the crimping along side face is movable along side face and seeding wheel of hair wheel, kind case space above seeding wheel is kinds of bank deposits storehouse (28), kind case space below seeding wheel is planting storehouse (39), outlet bottom planting storehouse is communicated with the entrance of respectively leading kind of storehouse successively, seeding wheel and central principal axis axis hole are rotationally connected, seeding wheel is connected with sowing gear key, groove (41) is planted clearly in being provided with along side face of seeding wheel, seeding wheel is laid with several appearances kind of hole (31) along clear groove direction of planting, it is characterized in that: described interior body is equipped with and visits cutter guide rod (36), shaft and the interior body axis hole of visiting cutter guide rod are rotationally connected, the two ends visiting cutter guide rod are placed in planting storehouse and gear chamber respectively, one end cover that spy cutter guide rod is placed in planting storehouse has knife rest (33), knife rest is provided with keyway (34), keyway is built-in with flat key (35), flat key is flexibly connected with keyway, flat key is connected with spy cutter guide rod, the spy cutter (37) relative with seeding wheel supernatant kind grooved position is equipped with in one end of knife rest, tail end and the knife rest of visiting cutter are connected, the blade visiting cutter is flexibly connected with the cell wall of planting clearly groove, the head end visiting cutter is cheated relative successively with kind of holding each on seeding wheel, the other end of knife rest is connected with the second extension spring (38), the two ends of the second extension spring mount with knife rest and interior body respectively, visit the gag lever post (24) that one end that cutter guide rod is placed in gear chamber is fixed with L shape, torsion spring (22) is equipped with in one end that gag lever post is connected with spy cutter guide rod, one end of torsion spring and the shaft of gag lever post mount, the other end of torsion spring crimps with backing pin (23) activity, backing pin and interior body are connected, described torsion spring is contrary with the force direction of the second extension spring, and the torsion of torsion spring is less than the pulling force of the second extension spring, described swing arm is provided with the first limited block (11) for limiting swing arm corner and the second limited block (20), first limited block crimps with the other end activity of gag lever post, described gear chamber is fixed with block (19), second limited block crimps with block activity.

2. a kind of rolling type sowing implement according to claim 1 reseed mechanism, it is characterized in that: clear kind of groove on described seeding wheel is two, knife rest is provided with plants clearly two corresponding respectively spy cuttves of groove with two, two visit cutter is arranged side by side, two tail ends visiting cuttves are connected with knife rest respectively, and two head ends visiting cuttves are cheated relative successively with kind of holding each on seeding wheel.