CN110012681A - A kind of crop planting weeder and its application method - Google Patents

Abstract

The present invention relates to agriculture weeding machine fields, specially a kind of crop planting weeder and its application method, including the driving box being fixed on the rack, it further include platform sling and hanger, fixed-axis rotation connects sprocket wheel two on platform sling, the output shaft end of driving box is fixed with sprocket wheel one, it is connected between sprocket wheel one and sprocket wheel two by chain, it is fixedly connected between sprocket wheel two and corresponding change by multiple cross bars, Pao Tu mechanism is fixed on cross bar, hanger two sides are fixed with screen drum, being slidably connected in screen drum, there are two pressing plates, pressing plate is towards being fixed with pull rod at the one side center of sprocket wheel two, the end that pull rod is located at two outside of sprocket wheel is connect by connecting rod one with chain.Soil and weeds are dug in plane to screen drum together using Pao Tu mechanism, and are handled weeds and soil fragmentation using pressing plate by this kind of crop planting weeder, are improved herbicidal effect, are helped to prevent from agglomerating to soil ventilation, advantageous to crop growth.

Description

A kind of crop planting weeder and its application method

Technical field

The present invention relates to agriculture weeding machine field, specially a kind of crop planting weeder and its user Method.

Background technique

Crops need to carry out weeding operation to plantation plot before the planting, are can be avoided in this way because weed competition causes Crop growth is slow, reduces yield.Existing weeding system is divided into two kinds, and the plot of corresponding small area uses artificial weeding, Mechanization weeding system is used to the plot of large area, is improved efficiency.Existing mechanization weeding, will using cutterhead is generallyd use Grass blade above native table cuts off and is collected, but this mode still has life since weeds root is still deposited in soil Long power, even the later period dig ploughing during grass roots routed up, can still result in its root and be attached on soil, continue to give birth to It is long, and removed together with root band stem in such a way that plane is dug, then the soil that will lead to root removes together, causes under soil fertility Drop, and the weeds for carrying soil are heavier, increase energy consumption, in consideration of it, it is proposed that a kind of crop planting weeder.

Summary of the invention

The purpose of the present invention is to provide a kind of crop planting weeder and its application methods, to solve above-mentioned back The problem of being proposed in scape technology.

To achieve the above object, the invention provides the following technical scheme: a kind of crop planting weeder, including it is solid Fixed driving box on the rack further includes the platform sling being fixed on the rack and is fixed on hanging in the middle part of the lower surface of driving box Frame, and there are two platform sling settings, and symmetrical expression is located at the down either side of driving box, fixed-axis rotation connects sprocket wheel two on platform sling, drives There are two the output shafts of dynamic case, and each output shaft passes perpendicularly through corresponding platform sling, and can rotate relative to platform sling, the end of output shaft Head is fixed with sprocket wheel one, and is connected between sprocket wheel one and sprocket wheel two by chain, and the equal fixed-axis rotation connection in the two sides of hanger turns Ring, and the anchor ring of change is parallel with the side of hanger, is fixedly connected between sprocket wheel two and corresponding change by multiple cross bars, and Be fixed on cross bar it is multiple be used to dig the Pao Tu mechanisms of earth removal grass, the two sides of hanger are respectively and fixedly provided with screen drum, and screen drum positioned at pair Inside the change answered and with corresponding change common center axis, be slidably connected in screen drum there are two pressing plate, pressing plate is towards sprocket wheel Pull rod is fixed at two one side center, pull rod is slidably connected at the center of respective sprockets two, and pull rod is located at outside sprocket wheel two The end of side is connect by connecting rod one with chain.

Preferably, multiple cross bars move towards arranged at equal intervals along the circumference of sprocket wheel two, and cross bar is perpendicular to sprocket wheel two Disc, multiple Pao Tu mechanisms on cross bar move towards arranged at equal intervals along cross bar, and the Pao Tu mechanism phase on two neighboring cross bar Mutually dislocation.

Preferably, Pao Tu mechanism includes the plane soil pawl being fixed on cross bar, and digging native pawl is L shape, digs native pawl far from cross bar One end be plane soil portion, and dig and offer sliding slot on pawl connect with cross bar one section of soil, be slidably connected pressure plate in sliding slot, binder Plate is fixedly connected with unloading block, and unloading block and pressure plate are located at the two sides for digging native pawl, and pressure plate can be bonded with plane soil portion.

Preferably, one end that screen drum is directed toward corresponding sprocket wheel two offsets with sprocket wheel two and can relatively rotate, and screen drum and chain Two common center axis are taken turns, the top of screen drum offers the blanking port axially moved towards along screen drum.

Preferably, multiple penetrating sieve pores are evenly equipped on the side wall of screen drum, opening of the sieve pore on screen drum inner sidewall is solid Surely there is a flakeboard, the cross section of flakeboard is " (" shape, and the length direction of flakeboard is axial parallel with screen drum.

Preferably, the two sides of sprocket wheel two are respectively fixed with outer shaft and internal axle sleeve, and pull rod is slidably connected outside respectively The inside of axle sleeve and internal axle sleeve, and material vibrating mechanism is provided between internal axle sleeve and pull rod, fixed-axis rotation connects turntable on outer shaft, And the edge of turntable is fixed with bracket, the end point of bracket is fixed with fastener, and the middle part of connecting rod one offers bar shaped groove, branch The end of frame is connected in bar shaped groove by fastener, and can be slided in bar shaped groove.

Preferably, movable block is hingedly connected on chain, one end of connecting rod one is hingedly connected to pull rod and is located on the outside of screen drum One end end, the other end of connecting rod one is hingedly connected on movable block.

Preferably, material vibrating mechanism includes multiple tups and fixed-axis rotation is connected to ring set on internal axle sleeve, multiple hammers Head moves towards arranged at equal intervals along the circumference of pull rod, and tup passes through the articulated connection ring set of connecting rod two and pull rod respectively.

Preferably, it is fixed with multiple draw runners at equal intervals along its circumference trend in the disk of pressing plate, and draw runner is along the disk of pressing plate To the center of circle for moving towards to be directed toward pressing plate, the both ends of draw runner are respectively and fixedly provided with spacing block set, are slidably connected on draw runner and hammer block into shape face diameter.

In above-mentioned apparatus use process the following steps are included:

Step 1: driving box drives chain and sprocket wheel two to rotate by sprocket wheel one, to drive cross bar to rotate, so that plane soil Mechanism digs weeds and soil plane to screen drum；

Step 2: chain by connecting rod one with dynamic pressure plate in screen drum soil and weeds fragmentation, and be discharged from screen drum；

Step 3: material vibrating mechanism is anti-blocking to screen drum vibration material while pressing plate is to soil and weeds fragmentation.

Compared with prior art, beneficial effects of the present invention:

1. in the present invention, soil and weeds are dug together in plane to screen drum using Pao Tu mechanism, and utilize pressing plate by weeds It is handled with soil fragmentation, on the one hand can make its inactivation thoroughly to weeds into even root band stem fragmentation processing together, improve weeding Effect on the other hand by soil fragmentation simultaneously, and the weeds of fragmentation is mixed with soil, and weeds are converted into organic fertilizer, improve Soil fertility, and to soil fragmentation, help that soil ventilation is prevented from agglomerating, it is advantageous to crop growth；

2. in the present invention, drive material vibrating mechanism to carry out vibration material to screen drum during pressing plate is to weeds and soil fragmentation, Sieve pore blockade is avoided, screen drum sieve material efficiency is helped to improve.

Detailed description of the invention

Fig. 1 is general assembly cross section structure schematic diagram one of the invention；

Fig. 2 is the partial structural diagram in Fig. 1；

Fig. 3 is general assembly cross section structure schematic diagram two of the invention；

Fig. 4 is the Section A-A structural schematic diagram in Fig. 2；

Fig. 5 is the screen drum cross section structure schematic diagram in the present invention；

Fig. 6 is enlarged structure schematic diagram at the B in Fig. 4；

Fig. 7 is the fixed dish structure right view in right side in Fig. 3；

Fig. 8 is the pressing plate disk structure schematic diagram in the present invention；

Fig. 9 is two structural schematic diagram of sprocket wheel in the present invention.

In figure: 1- driving box；2- sprocket wheel one；3- chain；4- platform sling；5- cross bar；6- Pao Tu mechanism；61- digs native pawl；62- Sliding slot；63- unloading block；64- pressure plate；7- pull rod；8- pressing plate；81- draw runner；82- spacing block set；83- hammers block into shape；9- vibration material machine Structure；10- screen drum；101- flakeboard；102- sieve pore；11- sprocket wheel two；12- movable block；13- bracket；131- fastener；14- bar shaped Through slot；15- connecting rod one；16- outer shaft；17- turntable；18- internal axle sleeve；19- ring set；20- connecting rod two；21- tup；22- blanking Mouthful；23- hanger；24- change.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, ordinary skill staff person institute obtained without making creative work There are other embodiments, shall fall within the protection scope of the present invention.

Fig. 1-9 is please referred to, the present invention provides a kind of technical solution: a kind of crop planting weeder, including fixation Driving box 1 on the rack, the input shaft of driving box 1 are connect with diesel engine or gasoline engine, further include hanging of being fixed on the rack Plate 4 and the hanger 23 being fixed in the middle part of the lower surface of driving box 1, and there are two the settings of platform sling 4, and it is symmetrical positioned at driving box 1 down either side, fixed-axis rotation connects sprocket wheel 2 11 on platform sling 4, as shown in figure 9, on the one side of sprocket wheel 2 11 with sprocket wheel two 11 coaxial lines are fixed with bulge loop, and are connected on platform sling 4 by bulge loop fixed-axis rotation, and there are two the output shafts of driving box 1, right Title formula output shaft can provide more powerful output torque, it helps the stress balance at both ends in 5 rotation process of cross bar is kept, Each output shaft passes perpendicularly through corresponding platform sling 4, and can rotate relative to platform sling 4, and the end of output shaft is fixed with sprocket wheel 1, And connected between sprocket wheel 1 and sprocket wheel 2 11 by chain 3, the equal fixed-axis rotation in the two sides of hanger 23 connects change 24, change 24 can be connected on hanger 23 by turntable bearing or ball bearing fixed-axis rotation, and the side of the anchor ring of change 24 and hanger 23 Face is parallel, is fixedly connected between sprocket wheel 2 11 and corresponding change 24 by multiple cross bars 5, and multiple use are fixed on cross bar 5 Dig the Pao Tu mechanism 6 of earth removal grass, the two sides of hanger 23 are respectively and fixedly provided with screen drum 10, screen drum 10 is used to sieve material, and screen drum 10 In 24 inside of corresponding change and with corresponding 24 common center axis of change, being slidably connected in screen drum 10, there are two pressing plate 8, pressures Towards pull rod 7 is fixed at the one side center of sprocket wheel 2 11, pull rod 7 is slidably connected at the center of respective sprockets 2 11 plate 8, and The end that pull rod 7 is located at the outside of sprocket wheel 2 11 is connect by connecting rod 1 with chain 3, and pressing plate 8 is to soil in screen drum 10 and miscellaneous Grass carries out shearing fragmentation.

In the present embodiment, multiple cross bars 5 move towards arranged at equal intervals along the circumference of sprocket wheel 2 11, and cross bar 5 perpendicular to The disc of sprocket wheel 2 11, multiple Pao Tu mechanisms 6 on cross bar 5 move towards arranged at equal intervals, and two neighboring cross bar 5 along cross bar 5 On 6 mutual dislocation of Pao Tu mechanism, the Pao Tu mechanism 6 of mutual dislocation can mention in the case where 1 output power of driving box is certain Height digs native efficiency.

In the present embodiment, Pao Tu mechanism 6 includes the plane soil pawl 61 being fixed on cross bar 5, and digging native pawl 61 is L shape, plane soil The one end of pawl 61 far from cross bar 5 is plane soil portion, digs native pawl 61 and uses alloy steel, with wear-resisting characteristic, and can be with The plane soil portion for digging native pawl 61 is designed as arc-shaped curved surface shape, thus has been avoided that dead angle causes soil and weeds to be adhered to the native pawl 61 of plane On, and dig and offer sliding slot 62, the pressure plate that is slidably connected in sliding slot 62 64, pressure plate on one section that native pawl 61 is connect with cross bar 5 64 are fixedly connected with unloading block 63, and unloading block 63 and pressure plate 64 are located at the two sides for digging native pawl 61, and pressure plate 64 can be with plane The fitting of native portion, unloading block 63 can be used the biggish material of the specific gravity such as cast iron, lead or cement block and be made, and cross bar 5 is fallen going to When 22 top of material mouth, using unloading block 63 self weight drive pressure plate 64 62 move down along the chute to soil discharging, avoid soil and Weeds are adhered at plane soil portion, so that it is guaranteed that weeds drop down onto screen drum 10, so that herbicidal effect is helped to improve, and unloading block 63 The soil for helping to be adhered to dig on native pawl 61 to the generation impact of cross bar 5 when falling, which all shakes, to be fallen, to improve the native pawl of plane 61 plane next time digs ability.

In the present embodiment, one end that screen drum 10 is directed toward corresponding sprocket wheel 2 11 offsets with sprocket wheel 2 11 and can relatively rotate, Turntable bearing or the connection of ball bearing fixed-axis rotation can be used between screen drum 10 and corresponding sprocket wheel 2 11, the face of can also be used connects It touches or there are the mode of the contactless connection of appropriate gap, may insure sprocket wheel 2 11 during rotation to screen drum 10 in this way Without influence, and screen drum 10 and 2 11 common center axis of sprocket wheel, the top of screen drum 10 is offered axially to be moved towards along screen drum 10 Blanking port 22, sprocket wheel 2 11 rotate when, screen drum 10 remain stationary it is motionless, can remain in this way blanking port 22 be open to On, avoid the soil in screen drum 10, weeds from falling.

In the present embodiment, multiple penetrating sieve pores 102 are evenly equipped on the side wall of screen drum 10, sieve pore 102 is in 10 inside of screen drum Opening on wall is fixed with flakeboard 101, the cross section of flakeboard 101 be " (" shape, or other shapes such as " < ", " [" etc., and the length direction of flakeboard 101 and screen drum 10 is axial parallel, can guarantee in this way pressing plate 8 be convenient for and particle The both ends of plate 101 form shearing force.

In the present embodiment, the two sides of sprocket wheel 2 11 are respectively fixed with outer shaft 16 and internal axle sleeve 18, and pull rod 7 is slided respectively The dynamic inside for being connected to outer shaft 16 and internal axle sleeve 18, internal axle sleeve 18, which is located on sprocket wheel 2 11, to be fixed on the side of bulge loop, and Material vibrating mechanism 9 is provided between internal axle sleeve 18 and pull rod 7, fixed-axis rotation connects turntable 17, and the side of turntable 17 on outer shaft 16 Bracket 13 is fixed at edge, the end point of bracket 13 is fixed with fastener 131, and the middle part of connecting rod 1 offers bar shaped groove 14, The end of bracket 13 is connected in bar shaped groove 14 by fastener 131, and can be slided in bar shaped groove 14, and fastener 131 is Circular ring structure, and the maximum gauge of fastener 131 is bigger than the groove width of bar shaped groove 14, is used to that bracket 13 and connecting rod 1 is kept to begin Connection is kept not fall off eventually, bracket 13 and connecting rod 1 form lever mechanism, thus by the deformation trace of movable block 12 on chain 3 It is converted into the straight reciprocating motion track of pull rod 7.

In the present embodiment, movable block 12 is hingedly connected on chain 3, one end of connecting rod 1 is hingedly connected to 7, pull rod In one end end in 10 outside of screen drum, the other end of connecting rod 1 is hingedly connected on movable block 12.

In the present embodiment, material vibrating mechanism 9 includes that multiple tups 21 and fixed-axis rotation are connected to the ring set on internal axle sleeve 18 19, multiple tups 21 move towards arranged at equal intervals along the circumference of pull rod 7, and tup 21 is hingedly connected by connecting rod 2 20 respectively Ring set 19 and pull rod 7 are connect, material vibrating mechanism 9 hammers screen drum 10, so that vibration falls the soil for being bonded in 10 inner wall of screen drum, prevents Sieve pore 102 blocks, and helps to improve 10 sieve material efficiency of screen drum.

In the present embodiment, it is fixed with multiple draw runners 81, and 81 edge of draw runner at equal intervals along its circumference trend in the disk of pressing plate 8 The disk of pressing plate 8 radially moves towards the center of circle for being directed toward pressing plate 8, and the both ends of draw runner 81 are respectively and fixedly provided with spacing block set 82, slide on draw runner 81 Dynamic connection hammer block 83, the rotation of pressing plate 8 so that hammer block 83 on pressing plate 8 by self gravitation effect along draw runner 81 constantly to pressure The edge of plate 8 is separate or close, and hammer block 83 uses cast iron quality, and self weight when hammer block 8 is glided using it along draw runner 81 is to miscellaneous Grass, soil hammering make the further fragmentation of weeds, soil, help to improve the fragmentation efficiency of weeds, soil, and hammer block 83 into shape and fall When the vibration that generates improve to the vibration material effect of screen drum 10.

The invention also includes a kind of application method of crop planting weeder, crop planting weeder exists When being operated when use the following steps are included:

Step 1: plane digs weeds: as shown in Figure 1, Figure 3 and Figure 4, diesel engine or gasoline engine are driven by the output shaft of driving box 1 Sprocket wheel 1 rotates, and sprocket wheel 1 drives even 2 11 rotation of wheel by chain 3, and the rotation of sprocket wheel 2 11 drives cross bar 5 around sprocket wheel two The rotation synchronous drive change 24 of 11 center axis thereof, cross bar 5 rotates, and change 24 and 10 common center axis of screen drum, Therefore cross bar 5 also drives the native pawl 61 of plane to rotate while the center axis thereof around screen drum 10, the rotation of cross bar 5, when the native pawl of plane 61 be located at screen drum 10 lower section when unloading block 63 by gravity drive pressure plate 64 with plane soil portion be bonded, with cross bar 5 turn It is dynamic to dig the native table weeds of 61 pairs of native pawl from the plane of root, and with the rotation of cross bar 5, it is moved so that digging native pawl 61 to the top of screen drum 10 It is dynamic, when digging native pawl 61 and being moved to the top of screen drum 10, pressure plate 64 along the chute 62 is driven under the Gravitative Loads of unloading block 63 It moves down, and weeds and soil discharging is fallen on to the inside of screen drum 10 from blanking port 22, hung since screen drum 10 remains opposite Frame 23 is stationary, the rotation of sprocket wheel 2 11, cross bar 5 and change 24 on it without influence, therefore the opening of blanking port 22 always to On, it is used to splicing, as the rotation of cross bar 5 digs native pawl 61 from the top of screen drum 10 to the movement of the lower part of screen drum 10, and in discharging Pressure plate 64 is driven to be bonded under the Gravitative Loads of block 63 with plane soil portion, to be dug soil, unloading block 63 and pressure plate next time 64 unload weeds and soil from the native pawl 61 of plane, avoid soil from being bonded on the native pawl 61 of plane, it is ensured that weeds are dropped down onto screen drum 10 It is interior, to help to improve herbicidal effect；

Step 2: the fragmentation of weeds, soil: as shown in Figure 1, Figure 2, Fig. 3 and Fig. 7, chain 3 drive movable block while operation 12 synchronizing movings, when movable block 12 is moved from sprocket wheel 1 to sprocket wheel 2 11, movable block 12 is constantly close to sprocket wheel 2 11, root According to lever principle it is found that the one end that connect with movable block 12 of connecting rod 1 is close to sprocket wheel 2 11, then connecting rod 1 and pull rod 7 One end of connection drives pull rod 7 to moving on the outside of screen drum 10, drives corresponding pressing plate 8 to corresponding solid while shifting outside pull rod 7 Price fixing 4 is close, i.e., two pressing plates 8 are located remotely from each other, and when movable block 12 is moved from sprocket wheel 2 11 to sprocket wheel 1, movable block 12 is not Break separate to sprocket wheel 2 11, according to lever principle it is found that the one end that connect with movable block 12 of connecting rod 1 is remote to sprocket wheel 2 11 It drives pull rod 7 to 10 medial movement of screen drum from, then connecting rod 1 is connect with pull rod 7 one end, is driven while shifting in pull rod 7 Corresponding pressing plate 8 is separate to corresponding fixed disk 4, i.e., two pressing plates 8 are close to each other, two pressing plates 8 it is close to each other or separate The weeds fallen in inside screen drum 10, soil are pushed to move in screen drum 10, such as Fig. 5 and Fig. 6, pressing plate 8 drives weeds, soil to move While dynamic, weeds, soil are sheared between the edge of pressing plate 8 and the both ends of flakeboard 101, thus to weeds, soil Carry out fragmentation, weeds, soil after fragmentation leak out out of sieve pore 101, fall in ground, by weeds, weeds, soil it is broken Change, on the one hand can make its inactivation thoroughly to weeds into even root band stem fragmentation processing together, it is on the other hand that soil is broken simultaneously Change, and the weeds of fragmentation are mixed with soil, weeds are converted into organic fertilizer, increase soil fertility, and to soil fragmentation, have Help that soil ventilation is prevented from agglomerating, it is advantageous to crop growth；

Step 3: the vibration material anti-clogging of screen drum 10: as shown in Figure 1, Figure 2 and Fig. 3, with the operation of chain 3, pull rod 7 is with dynamic pressure While bar 8 constantly does linear reciprocating motion in screen drum 10, the angle of two connecting rods 2 20 on tup 21 becomes accordingly It is big or become smaller, push tup 21 mobile to the inner wall of screen drum 10 when the angle of two connecting rods 2 20 becomes smaller, and to screen drum 10 into Row hammering prevents sieve pore 102 from blocking so that vibration falls the soil for being bonded in 10 inner wall of screen drum, helps to improve the sieve material effect of screen drum 10 Rate pulls tup 21 close to pull rod 7 and separate to 10 inner wall of screen drum, not to sieve when the angle of two connecting rods 2 20 becomes larger Cylinder 10 vibrates；

Such as Fig. 7 and Fig. 8, during chain 3 drives movable block 12 mobile, since chain 3 does the circulation fortune of closed loop It is dynamic, therefore the shape of the motion profile of movable block 12 and chain 13 is overlapped, and the shuttling movement of closed loop is also done, in movable block with chain During item 3 is mobile, movable block 12 drives center axis thereof of the connecting rod 1 around sprocket wheel 2 11, the rotation of connecting rod 1 Drive pull rod 7 around the center axis thereof of sprocket wheel 2 11, simultaneously because the anti-off effect of fastener 131, connecting rod 1 passes through fastener 131 drive the center axis thereof around sprocket wheel 2 11 synchronous with turntable 17 of bracket 13,8 turns of the rotation synchronous drive pressing plate of pull rod 7 It is dynamic, the rotation of pressing plate 8 so that hammer block 83 on pressing plate 8 by self gravitation effect along draw runner 81 constantly at the edge to pressing plate 8 Locate it is separate or close, when hammer into shape block 83 it is close to the edge of pressing plate 8 when, this hour hammer block 83 to weeds, soil hammering make it into one Fragmentation is walked, the fragmentation efficiency of weeds, soil is helped to improve, and hammers the vibration generated when block 83 falls into shape and improves to screen drum 10 Vibration material effect, when hammer into shape block 83 to the edge of pressing plate 8 far from when, this 83 position of hour hammer block increases, and potential energy is improved, for next time Weeds, soil accumulation of energy are hammered, are so recycled.

The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For staff it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only this The preference of invention, is not intended to limit the invention, and without departing from the spirit and scope of the present invention, the present invention also has Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention It is defined by the appending claims and its equivalent thereof.

Claims (10)

1. a kind of crop planting weeder, including the driving box (1) being fixed on the rack, it is characterised in that: further include The platform sling (4) being fixed on the rack and the hanger (23) being fixed in the middle part of the lower surface of driving box (1), and platform sling (4) is arranged There are two, and symmetrical expression is located at the two sides of driving box (1), fixed-axis rotation connection sprocket wheel two (11), the drive on the platform sling (4) There are two the output shafts of dynamic case (1), and each output shaft passes perpendicularly through corresponding platform sling (4), and can rotate relative to platform sling (4), The end of the output shaft is fixed with sprocket wheel one (2), and is connect between sprocket wheel one (2) and sprocket wheel two (11) by chain (3)；

Equal fixed-axis rotation connection change (24) in the two sides of the hanger (23), and the side of the anchor ring of change (24) and hanger (23) Face is parallel, is fixedly connected between the sprocket wheel two (11) and corresponding change (24) by multiple cross bars (5), and on cross bar (5) It is fixed with multiple Pao Tu mechanisms (6) for being used to dig earth removal grass；

The two sides of the hanger (23) are respectively and fixedly provided with screen drum (10), and screen drum (10) be located at corresponding change (24) it is internal and with Corresponding change (24) common center axis, being slidably connected in the screen drum (10), there are two pressing plate (8), pressing plate (8) courts It is fixed with pull rod (7) to the one side center of sprocket wheel two (11), the pull rod (7) is slidably connected in respective sprockets two (11) At the heart, and pull rod (7) is located at the end on the outside of sprocket wheel two (11) and is connect by connecting rod one (15) with chain (3).

2. a kind of crop planting weeder according to claim 1, it is characterised in that: multiple cross bars (5) Arranged at equal intervals are moved towards along the circumference of sprocket wheel two (11), and cross bar (5) is perpendicular to the disc of sprocket wheel two (11), the cross bar (5) On multiple Pao Tu mechanisms (6) move towards arranged at equal intervals along cross bar (5), and the Pao Tu mechanism (6) on two neighboring cross bar (5) Mutual dislocation.

3. a kind of crop planting weeder according to claim 2, it is characterised in that: the Pao Tu mechanism (6) Including the plane soil pawl (61) being fixed on cross bar (5), and digging native pawl (61) is L shape, described to dig native pawl (61) far from cross bar (5) One end is plane soil portion, and digs and offer sliding slot (62) on one section that native pawl (61) connect with cross bar (5), sliding in the sliding slot (62) Dynamic connection pressure plate (64), the pressure plate (64) are fixedly connected unloading block (63), the unloading block (63) and pressure plate (64) The two sides for digging native pawl (61) are located at, and pressure plate (64) can be bonded with plane soil portion.

4. a kind of crop planting weeder according to claim 1, it is characterised in that: the screen drum (10) is directed toward One end of corresponding sprocket wheel two (11) offsets with sprocket wheel two (11) and can relatively rotate, and screen drum (10) and sprocket wheel two (11) share Central axis, the top of the screen drum (10) offer the blanking port (22) axially moved towards along screen drum (10).

5. a kind of crop planting weeder according to claim 4, it is characterised in that: the side of the screen drum (10) Multiple penetrating sieve pores (102) are evenly equipped on wall, opening of the sieve pore (102) on screen drum (10) inner sidewall is fixed with broken Flitch (101), the cross section of the flakeboard (101) are " (" shape, and the length direction of flakeboard (101) and screen drum (10) It is axial parallel.

6. a kind of crop planting weeder according to claim 1, it is characterised in that: the sprocket wheel two (11) Two sides are respectively fixed with outer shaft (16) and internal axle sleeve (18), and pull rod (7) is slidably connected at outer shaft (16) and interior respectively The inside of axle sleeve (18), and material vibrating mechanism (9) are provided between internal axle sleeve (18) and pull rod (7), it is fixed on the outer shaft (16) Axis is rotatablely connected turntable (17), and the edge of turntable (17) is fixed with bracket (13), and the end point of the bracket (13) is fixed Have fastener (131), offered in the middle part of the connecting rod one (15) bar shaped groove (14), the end of the bracket (13) passes through fastener (131) it is connected in bar shaped groove (14), and being capable of the sliding in bar shaped groove (14).

7. a kind of crop planting weeder according to claim 6, it is characterised in that: cut with scissors on the chain (3) It is connected in succession movable block (12), one end of the connecting rod one (15) is hingedly connected to one that pull rod (7) is located on the outside of screen drum (10) End is held, the other end of the connecting rod one (15) is hingedly connected on movable block (12).

8. a kind of crop planting weeder according to claim 6, it is characterised in that: the material vibrating mechanism (9) It is connected to the ring set (19) on internal axle sleeve (18) including multiple tups (21) and fixed-axis rotation, multiple tups (21) are along pull rod (7) circumference moves towards arranged at equal intervals, and tup (21) passes through connecting rod two (20) articulated connection ring set (19) and pull rod respectively (7)。

9. a kind of crop planting weeder according to claim 1, it is characterised in that: the disk of the pressing plate (8) It is fixed at equal intervals multiple draw runners (81) on face along its circumference trend, and draw runner (81) radially moves towards to refer to along the disk of pressing plate (8) To the center of circle of pressing plate (8), the both ends of the draw runner (81) are respectively and fixedly provided with spacing block set (82), are slidably connected on the draw runner (81) It hammers into shape block (83).

10. a kind of application method of crop planting weeder according to claim 1, it is characterised in that: including Following steps:

Step 1: driving box (1) drives chain (3) and sprocket wheel two (11) rotation by sprocket wheel one (2), to drive cross bar (5) Rotation, so that Pao Tu mechanism (6) digs weeds and soil plane to screen drum (10)；

Step 2: chain (3) by connecting rod one (15) with dynamic pressure plate (8) in screen drum (10) soil and weeds fragmentation, and from Discharge in screen drum (10)；

Step 3: material vibrating mechanism (9) is anti-blocking to screen drum (10) vibration material while pressing plate (8) is to soil and weeds fragmentation；

During movable block is mobile with chain (3), movable block (12) drives connecting rod one (15) around the center of sprocket wheel two (11) The rotation of axis rotation, connecting rod one (15) drives pull rod (7) around the center axis thereof of sprocket wheel two (11), simultaneously because fastener (131) anti-off effect, connecting rod one (15) drive bracket (13) synchronous with turntable (17) around sprocket wheel two (11) by fastener (131) Center axis thereof, pull rod (7) rotation synchronous drive pressing plate (8) rotation, the rotation of pressing plate (8) is so that on pressing plate (8) Hammer into shape block (83) by self gravitation effect along draw runner (81) constantly separate or close to the edge of pressing plate (8), when hammer block (83) when close to the edge of pressing plate (8), this hour hammer block (83) makes its further fragmentation to weeds, soil hammering, when hammer block (83) to the edge of pressing plate (8) far from when, this hour hammer block (83) position increase, improve potential energy, for next time hammer weeds, soil Earth accumulation of energy so recycles.