CN204796132U - Huge fungus of multiple track way grass seed metering ware - Google Patents

Abstract

The utility model relates to a huge fungus of multiple track way grass seed metering ware, which comprises a frame, the frame upper end is provided with the feed inlet, the frame has the L shape seed metering track that is used for accepting huge fungus grass seeds seedling two -layer at least in the below of feed inlet nestification, and the orientation of the orbital export of all L shape seed metering is unanimous, just the frame can the inside and outside adjustable fender who removes vertical being provided with in all L shape seed metering orbital exits, forms the seed metering passageway between all L shape orbital exports of seed metering and the adjustable fender, L shape seed metering track is mutually supported with adjustable fender and carry out the continuous seed metering of huge fungus grass seeds seedling in proper order from the upper strata to the lower floor. The utility model discloses relying on the elastic force of seedling self dead weight and spring, realizing single huge fungus grass seeds seedling layering exhaust function in proper order, the stifled kind of effectively avoiding, card kind and discontinuous seed metering scheduling problem be applicable to the accurate seeding of small -size fungus grass planting machinery, and structural design are equitable, the dismouting, repair convenient, low in cost, green.

Description

Multi-track huge bacterium grass seeding unit

Technical field

The utility model relates to a kind of multi-track huge bacterium grass seeding unit.

Background technology

Planting huge fungous grass belongs to the maximum and link that operation is the most loaded down with trivial details of labour intensity.The operations such as it comprises trench digging, apply fertilizer, charge seed, earthing, compacting, plastic film mulch, press mold, belong to labour-intensive operation.Existing artificial planting work efficiency is low, labour intensity greatly and very uneconomical.Therefore, the fungous grass mechanization of planting just more and more seems necessary and urgent.Current China plants standby development to fungous grass, and less input, and production unit overall strength is not strong, and product quality is not high, and bad adaptability, mechanization degree are low, production efficiency is not high.Although the fungous grass implanting of import is standby obtain good effect at Performance and quality, its fancy price, it is also made to be difficult to extensively promote in China's Mainland.

The automated machine of ground, suitable huge bacterium farmland running to weeds, Plain establishing in large scale has occurred and successively to marketing.But suitable huge bacterium grass hills, slope condition plantation, cubic metre of earth planting machinery of formula breeding is buried still relatively deficient with pre-cut kind, for realizing the whole-course automation of bacterium grassland industry, the research and development of pre-cut kind formula mountain region planting huge fungous grass machinery will become inevitable development trend, but determine that the key factor of this planting machinery plantation transaction capabilities is the performance of seeding unit.Because between huge fungous grass seedling individuality, diameter difference is larger, minimum diameter scope is 19 ~ 20mm, maximum gauge scope is 20 ~ 21mm, there is certain curvature in qualified seedling, and 1-2 projection young shoot must be retained at the seedling that pre-cut kind formula is buried in native planting process and cause the unique plant physical characteristic of the axial diameter grade not of uniform size of seedling, its pre-cut is easily caused to bury the plantation seeding unit card type of soil breeding, stifled kind and discontinuous seeding, planting huge fungous grass is caused to occur broadcast leakage, replay and germination rate and the problem such as germination vigor is not high, seriously hinder mechanized cultivation efficiency and the spread plantation of planting huge fungous grass equipment.

Utility model content

In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of reasonable in design, the much higher track of seeding efficiency huge bacterium grass seeding unit.

In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of multi-track huge bacterium grass seeding unit, comprise frame, described frame upper end is provided with charging aperture, described frame is nested with at least two-layer L shape seeding track in order to accept huge fungous grass seedling in the below of charging aperture, the outlet of all L shape seeding tracks towards unanimously, and described frame be vertically provided with in the exit of all L shape seeding tracks can the sideboard of inside and outside movement, seeding passage is formed between the outlet of all L shape seeding tracks and sideboard, described L shape seeding track and sideboard cooperatively interact and carry out the continuous seeding of huge fungous grass seedling successively from upper stratas to lower floor.

Preferably, described L shape seeding track comprises through the end to end major and minor track of hinge, described secondary track is vertically fixed in frame, and the entrance of described secondary track is connected to charging aperture, described main orbit is arranged on the below of secondary track, described main orbit is suspended in frame through the first back-moving spring, and the outlet of described main orbit is connected to seeding passage.

Preferably, the outlet lower limb of described main orbit is all fixed with the clamp to downward-extension, and the length of described clamp is all not identical, and the thickness of described clamp is less than the radius of huge fungous grass seedling, the main orbit of any two L shape seeding tracks and the angle of clamp all unequal; During when the zero load of L shape seeding track and by sideboard extruding, not at grade, when L shape seeding track full load, any two clamps are in the same plane for any two clamps.

Preferably, described secondary track is arranged in order setting from internal layer to skin, and described main orbit is arranged in order setting from upper strata to lower floor, and the length of described main orbit is all unequal.

Preferably, the inner chamber radial dimension of described main orbit, secondary track is 23 ~ 25mm, and huge fungous grass seedling is arranged closely in main orbit, secondary track inner chamber successively.

Preferably, the outside upright of described sideboard is provided with the fixed dam be connected in frame, described sideboard is connected with fixed dam through the axis of guide, the described axis of guide is arranged with the second back-moving spring and bearing, described fixed dam is equipped with promote the latch that sideboard inwardly slides.

Preferably, described frame is provided with feed hopper at charging aperture place, and described frame is tiltedly installed with blow tank in the exit of seeding passage, is provided with support bar between described frame and blow tank.

Preferably, be provided with gripper shoe in the edge of described frame upper and lower end parts, described gripper shoe is stained with damping gasket.

Compared with prior art, the utility model has following beneficial effect:

1, the utility model compensate for the blank that domestic and international huge bacterium grass pre-cut kind buries native planting patterns class dispenser, proposes a kind of cylindric straw crop seedling stem breeding completely newly and plants seeding unit structure and seed feeding method, have certain novelty;

2, the utility model is by carrying out the theory calculate to model, determine the coefficient of elasticity K value needed for the first back-moving spring on each main orbit of the utility model, derive the length of each main orbit, and the angle of each main orbit and its exit clamp, success realizes at L shape seeding track full load, each layer clamp at grade from top to bottom, and the outlet of the clamp of upper strata main orbit and lower floor's main orbit keeps demand spacing, thus realize huge fungous grass seedling layering single function of discharging successively, the stifled kind avoided, the appearance of the problem such as card type and discontinuous seeding, be applicable to the precise sowing that small-sized fungous grass plants machinery,

3, the utility model can draw the mathematical relationship curve of respective springs coefficient of elasticity and slide rail length in mathematical model, relativity curve, the increase of the volume of provable the utility model own, deadweight is little on the elastic coefficient impact, do not affect the actual effect of seeding, applicability is good, the influence factor of the utility model seeding effect is fewer, is easy to the direct control of seeding effect;

4, the utility model relies on the elastic force of the deadweight of huge fungous grass seedling self and the first back-moving spring, and the layering realizing each layer L shape seeding track seedling is discharged, and energy-saving and environmental protection, and compact conformation are cheap, are convenient to dismounting, repairing;

5, the utility model generation of almost not colliding in seeding process and impacting, can avoid the young shoot damaging seedling, and seeding process steadily, seedling falls distance evenly, is conducive to the germination rate improving seedling;

6, the utility model is before the discharge of seeding unit seedling is complete, can continual continuous discharge, is conducive to the raising of planting efficiency and speed, reduces artificial planting cost.

Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.

Accompanying drawing explanation

Fig. 1 is the schematic front view of the utility model embodiment.

Fig. 2 is the schematic top plan view of the utility model embodiment.

Fig. 3 be the utility model embodiment just start seeding time schematic diagram.

Fig. 4 is the angle difference schematic diagram of angle between the main orbit of the utility model embodiment and clamp.

Fig. 5 is main orbit and the clamp geometric parameter model of the utility model embodiment.

Fig. 6 is the single main orbit force analysis schematic diagram of the utility model embodiment.

In figure: 1-frame, 2-charging aperture, 3-L shape seeding track, 31-hinge, 32-main orbit, the secondary track of 33-, 34-clamp, 4-sideboard, 5-seeding passage, 6-first back-moving spring, 7-fixed dam, the 8-axis of guide, 9-second back-moving spring, 10-bearing, 11-latch, 12-feed hopper, 13-blow tank, 14-support bar.

Embodiment

For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below.

As shown in figs. 1 to 6, a kind of multi-track huge bacterium grass seeding unit, comprise frame 1, described frame 1 upper end is provided with charging aperture 2, described frame 1 is nested with at least two-layer L shape seeding track 3 in order to accept huge fungous grass seedling in the below of charging aperture 2, the outlet of all L shape seeding tracks 3 towards unanimously, and described frame 1 be vertically provided with in the exit of all L shape seeding tracks 3 can the sideboard 4 of inside and outside movement, seeding passage 5 is formed between the outlet of all L shape seeding tracks 3 and sideboard 4, described L shape seeding track 3 and sideboard 4 cooperatively interact and carry out the continuous seeding of huge fungous grass seedling successively from upper stratas to lower floor.

In the utility model embodiment, described L shape seeding track 3 comprises through the end to end main orbit 32 of hinge 31, secondary track 33, described main orbit 32 both sides are provided with the guardrail avoiding huge fungous grass seedling to drop, described hinge 31 is hinge preferably, described secondary track 33 is vertically fixed in frame 1, and the entrance of described secondary track 33 is connected to charging aperture 2, described main orbit 32 is arranged on the below of secondary track 33, described main orbit 32 is suspended in frame 1 through the first back-moving spring 6, and the outlet of described main orbit 32 is connected to seeding passage 5, described frame 1, main orbit 32 all offers the first back-moving spring hanging hole, the head and end of described first back-moving spring 6 is connected to a fixed with the first back-moving spring hanging hole through rigidity hook.

In the utility model embodiment, the outlet lower limb of described main orbit 32 is all fixed with the clamp 34 to downward-extension, the length of described clamp 34 is all not identical, and the thickness of described clamp 34 is less than the radius of huge fungous grass seedling, the main orbit 32 of any two L shape seeding tracks 3 is all unequal with the angle of clamp 34; Whether orlop main orbit 32 arranges the functional realiey of clamp 34 on layering of the present utility model single seeding and there is no impact; When L shape seeding track 3 is unloaded and when not extruding by sideboard 4, not at grade, when L shape seeding track 3 full load, any two clamps 34 are in the same plane for any two clamps 34.

In the utility model embodiment, described secondary track 33 is arranged in order setting from internal layer to skin, and described main orbit 32 is arranged in order setting from upper strata to lower floor, and the length of described main orbit 32 is all unequal.

In the utility model embodiment, the inner chamber radial dimension of described main orbit 32, secondary track 33 is 23 ~ 25mm, the diameter range 19 ~ 22mm of huge fungous grass seedling, and huge fungous grass seedling is arranged closely in main orbit 32, secondary track 33 inner chamber successively.

In the utility model embodiment, the outside upright of described sideboard 4 is provided with the fixed dam 7 be connected in frame 1, described sideboard 4 is connected with fixed dam 7 through the axis of guide 8, the described axis of guide 8 is arranged with the second back-moving spring 9 and bearing 10, described fixed dam 7 is equipped with promote the inside latch 11 slided of sideboard 4.

In the utility model embodiment, described frame 1 is provided with feed hopper 12 at charging aperture 2 place, described frame 1 is tiltedly installed with blow tank 13 in the exit of seeding passage 5, be provided with the support bar 14 fixing its angle between described frame 1 and blow tank 13, described support bar 14 avoids the utility model to bend because encountering stone in the process of seeding; Described blow tank 13 is 30 ~ 60 degree with horizontal plane angle, preferably 45 degree, and the length of described blow tank 13 is installed the relative ditching machine bed height of planter by the utility model and determined.

In the utility model embodiment, be provided with gripper shoe in the edge of described frame 1 upper and lower end parts, described gripper shoe is stained with damping gasket.

In the utility model embodiment, the concrete use procedure of multi-track huge bacterium grass seeding unit is as follows:

(1) virtual fully loaded: to be pressed into described latch 11, extrude described sideboard 4 inwardly to slide, until the medial surface of described sideboard 4 contacts with the lateral surface of arbitrary clamp 34, the lateral surface of described clamp 34 is in the same plane, and the clamp 34 of upper strata main orbit 32 and lower floor's main orbit 32 export between distance be less than huge fungous grass seedling minimum diameter, then described latch 11 is fixed;

(2) be truly fully loaded with: pour huge fungous grass seedling from described charging aperture 2 into toward L shape seeding track 3, until described L shape seeding track 3 is fully loaded with huge fungous grass seedling, now the position of described sideboard 4, main orbit 32, clamp 34 does not change;

(3) seeding: unclamp described latch 11, described sideboard 4 outwards slides under the effect of the second back-moving spring 9, now the position of described sideboard 4, main orbit 32, clamp 34 does not change, when described sideboard 4 is greater than the diameter of a huge fungous grass seedling with the spacing of the outlet of the superiors' main orbit 32, the huge fungous grass seedling on the superiors L shape seeding track 3 enters kind of a bed from seeding passage 5, blow tank 13 under gravity; When last huge fungous grass seedling on the superiors L shape seeding track 3 discharges its main orbit 32, distance between the clamp 34 of the superiors' main orbit 32 and lower floor's main orbit 32 export is greater than huge fungous grass seedling minimum diameter, huge fungous grass seedling on lower floor L shape seeding track 3 enters kind of a bed from seeding passage 5, blow tank 13 under gravity, each layer L shape seeding track 3 like this carries out seeding successively, until seeding process is complete from upper strata to lower floor.

In the utility model embodiment, according to above-mentioned condition, for solving the parameter value problem of main orbit 32 length, main orbit 32 and its clamp 34 angle, this utility model patent passes through founding mathematical models, model parameter is described below: establish and have seven layers of main orbit 32 from top to bottom, and each layer main orbit 32 is θ with the angle of horizontal plane _i, up push away from the bottom, be set to θ successively ₁, θ ₂, θ ₃, θ ₄, θ ₅, θ ₆, main orbit 32 length is C _i, up push away from the bottom, be set to C successively ₁, C ₂, C ₃, C ₄, C ₅, C ₆, the clamp 34 in each layer main orbit 32 exit is φ with the angle of each layer main orbit 32 _i, up push away from the bottom, be set to φ successively ₁, φ ₂, φ ₃, φ ₄, φ ₅, φ ₆, the vertical range between each layer main orbit 32 and the vertical range between the secondary track 33 of each layer are all a, and huge bacterium grass radius is r, and the air line distance between each layer main orbit 32 is x.

In the utility model embodiment, described mathematical model and setup parameter, this utility model patent sets up the mathematical relationship of each glidepath and horizontal plane angle and slide rail length, as formula (1), (2), (3), (4).

$x=\frac{r}{tan\frac{90-{\mathrm{\θ}}_i}{2}}+r\·tan\frac{90-{\mathrm{\θ}}_{i+1}}{2}---\left(1\right)$

${\mathrm{tan\θ}}_{i+1}=\frac{a\·\tan \frac{90-{\mathrm{\θ}}_i}{2}+C_i\·{\mathrm{sin\θ}}_i-\frac{r}{\tan \frac{90-{\mathrm{\θ}}_i}{2}}-r\·\tan \frac{90-{\mathrm{\θ}}_{i-1}}{2}}{C_i\·{\mathrm{cos\θ}}_i-a}---\left(2\right)$

$C_{i+1}=\frac{C_i\·{\mathrm{cos\θ}}_i-a}{{\mathrm{cos\θ}}_{i+1}}---\left(3\right)$

φ _i＝90°+θ _i(4)

In the utility model embodiment, in order to realize continuous seeding, the outward flange of full load each main orbit 32 outlet on same vertical guide, the length of each main orbit 32 when demand goes out original state, the main orbit 32C of the known bottom _iand with horizontal plane angulation θ _i, in conjunction with formula (1) and (2), the main orbit 32 length C of last layer can be tried to achieve _i+1and with horizontal plane angulation θ _i+1, obtain main orbit 32 length of every one deck, the main orbit 32 of every one deck and the angle of horizontal plane angulation, clamp 34 and each main orbit 32 by that analogy; In order to realize continuous seeding, the clamp 34 of each main orbit of full load 32, on same vertical guide, can release the angle value Changing Pattern situation between the clamp 34 of every layer of main orbit 32 and main orbit 32 by formula (4).

In the utility model embodiment, the utility model is by main orbit 32, first back-moving spring 6 realizes the layering seeding of huge fungous grass seedling, when upper strata main orbit 32 only remaining a huge fungous grass seedling, distance between the clamp 34 of upper strata main orbit 32 and the opening of lower floor's main orbit 32 enough limits the discharge of lower floor's main orbit 32 huge fungous grass seedling, and after last huge fungous grass seedling is discharged, by the restoring force of the first back-moving spring 6, the space that upper strata main orbit 32 moves enough allows the huge fungous grass seedling on lower floor's main orbit 32 discharge, the utility model sets up the mechanical model of single main orbit 32.

In the utility model embodiment, described mechanical model sets the vertical range on hinge and secondary track 33 top as a, and the distance of hinge and the second back-moving spring 9 fixing point on main orbit 32 is b; The distance of the second back-moving spring 9 fixing point and main orbit 32 opening on main orbit 32 is c; Before seedling is discharged, main orbit 32 is θ with the angle of vertical guide; It is θ ' with the angle of vertical guide that seedling discharges rear main orbit 32; Single huge fungous grass seedling weight is G, and main orbit 32 weight is G ₁, the weight of hinge is ignored; Before and after huge fungous grass seedling is discharged, the stressed F of the first back-moving spring 6 ₁, after huge fungous grass seedling is discharged, the stressed F of the first back-moving spring 6 ₂, both stressed differences are Δ F; Before and after seedling is discharged, the first back-moving spring 6 is by X ₁elongate as X ₂, the difference of the first back-moving spring 6 deformation quantity is Δ X; Before and after seedling is discharged, main orbit 32 end displacement is d; Before and after seedling is discharged, it is Y that the first back-moving spring 6 changes distance with main orbit 32 tie point ₁; Y ₁be σ with the first back-moving spring 6 angle formed by posterior axis that stretches.

In the utility model embodiment, this stress model is according to planting huge fungous grass agriculture requirement, and design c is 0.06m, and before and after seedling is discharged, main orbit 32 displacement d is 0.005m.According to the force analysis sketch of main orbit 32, take hinge as force analysis point, by stress balance (5), (6) formula, the difference Δ F that before and after the landing of huge bacterium grass, the first back-moving spring 6 is stressed can be obtained, as formula (7).

$G_1\·sin\mathrm{\θ}\·\frac{b+c}{2}+G\·sin\mathrm{\θ}\·(b+c)=F_{1}sin\mathrm{\θ}\·b---\left(5\right)$

$G_1\·{\mathrm{sin\θ}}^{\′}\·\frac{b+c}{2}=F_2\·{\mathrm{sin\θ}}^{\′}\·b---\left(6\right)$

$\mathrm{\Δ}F=F_1-F_2=\frac{G\·(b+c)}{2b}---\left(7\right)$

Before seedling is discharged, the long X of the first back-moving spring 6 ₁for:

X ₁＝a+bcosθ(8)

Before and after seedling is discharged, the first back-moving spring 6 changes distance Y with main orbit 32 tie point ₁, obtained by isosceles triangle similitude:

$\frac{Y_1}{d}=\frac{b}{b+c}$

Then $Y_1=\frac{b\·d}{b+d}---\left(9\right)$

If Y ₁be σ, then Y with the first back-moving spring 6 angle formed by posterior axis that stretches ₁be (θ+σ) with main orbit 32 angulation, and

$cos(\mathrm{\θ}+\mathrm{\σ})=\frac{Y_1}{2b}=\frac{d}{2\·(b+c)}$

Then $\mathrm{\σ}={\cos }^{-1}\left(\frac{d}{2(b+c)}\right)-\mathrm{\θ}---\left(10\right)$

And obtained by the cosine law:

$cos\mathrm{\σ}=\frac{X_1^2+Y_1^2-X_2^2}{2\·X_1\·Y_1}=\frac{{\left(\frac{d\·b}{b+c}\right)}^2+(a+b\·cos\mathrm{\θ})-X_2^2}{2{\left(\frac{d\·b}{b+c}\right)}^2\·(a+b\·cos\mathrm{\θ})}---\left(11\right)$

And Δ X=X ₁-X ₂(12)

Obtained by (7)-(12):

$K=\frac{\mathrm{\Δ}F}{\mathrm{\Δ}X}=\frac{G\·(b+c)}{2b(a+bcos\mathrm{\θ}-\sqrt{{\left(\frac{d+b}{b+c}\right)}^2+{(a+bcos\mathrm{\θ})}^2-\left(\frac{d+b}{b+c}\right)\·(a+bcos\mathrm{\θ})\{\left(\frac{d}{2(b+c)}\right)-\mathrm{\θ}\}}}$

From above-mentioned utility model content, b is 0.06m, d is 0.005m, θ is 60 °, and the value of known G is that the value of 0.1kg, a is determined by the number of plies, by actual planting requirement, the utility model a value is as follows: from below to up, ground floor 0.07, the second layer 0.09, third layer 0.11,4th layer of 0.130 layer 5 0.15, layer 6 0.17, layer 7 0.19.A, b, d, θ, G are substituted into above-mentioned K value and solve formula, K, C curve figure can be obtained through numerical computations, can analyze and draw when a value is different, there is small skew between each curve, but displacement be minimum, almost can ignore.The impact of visible a value on spring K value is minimum, namely improves box height, increases kinds of bank deposits amount little on the first use impact resetted, and therefore can realize not changing the first back-moving spring 6 and the increase that realizes the utility model kinds of bank deposits amount.

In the utility model embodiment, by the seeding mechanical model of above-mentioned main orbit 32, the theoretical k value needed for a series of first back-moving spring 6 can be obtained, the length of each first back-moving spring 6 and corresponding clamp 34, but during concrete enforcement seeding, consider manufacturing cost problem, and this utility model process of the test draws the characteristic that the electric screwdriver tension spring coefficient of elasticity selected by the utility model reduces slightly gradually with the increase loaded, therefore need to adopt it as debugging spring before the utility model commissioning test, rear parameter value to be debugged and design load are carried out after numerical simulation obtains optimal parameter, exchange for coefficient of elasticity by carrying affect little special tension spring.

In the utility model embodiment, need in conjunction with the actual seeding process of seedling before the utility model each commencement of commercial operation plantation, reasonable speculation regulating spring length and K value, the distance that its main orbit 32 end moves down is larger, cause more lower main orbit 32 opening size to be greater than upper strata main orbit 32, the discharge step by step from bottom to top of huge fungous grass seedling can be realized.

The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of multi-tracks huge bacterium grass seeding unit under enlightenment of the present utility model.All equalizations done according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (8)

1. a multi-track huge bacterium grass seeding unit, comprise frame, it is characterized in that: described frame upper end is provided with charging aperture, described frame is nested with at least two-layer L shape seeding track in order to accept huge fungous grass seedling in the below of charging aperture, the outlet of all L shape seeding tracks towards unanimously, and described frame be vertically provided with in the exit of all L shape seeding tracks can the sideboard of inside and outside movement, seeding passage is formed between the outlet of all L shape seeding tracks and sideboard, described L shape seeding track and sideboard cooperatively interact and carry out the continuous seeding of huge fungous grass seedling successively from upper stratas to lower floor.

2. multi-track according to claim 1 huge bacterium grass seeding unit, it is characterized in that: described L shape seeding track comprises through the end to end major and minor track of hinge, described secondary track is vertically fixed in frame, and the entrance of described secondary track is connected to charging aperture, described main orbit is arranged on the below of secondary track, described main orbit is suspended in frame through the first back-moving spring, and the outlet of described main orbit is connected to seeding passage.

3. multi-track according to claim 2 huge bacterium grass seeding unit, it is characterized in that: the outlet lower limb of described main orbit is all fixed with the clamp to downward-extension, the length of described clamp is all not identical, and the thickness of described clamp is less than the radius of huge fungous grass seedling, the main orbit of any two L shape seeding tracks and the angle of clamp all unequal; During when the zero load of L shape seeding track and by sideboard extruding, not at grade, when L shape seeding track full load, any two clamps are in the same plane for any two clamps.

4. multi-track according to claim 3 huge bacterium grass seeding unit, is characterized in that: described secondary track is arranged in order setting from internal layer to skin, and described main orbit is arranged in order setting from upper strata to lower floor, and the length of described main orbit is all unequal.

5. multi-track according to claim 4 huge bacterium grass seeding unit, it is characterized in that: the inner chamber radial dimension of described main orbit, secondary track is 23 ~ 25mm, huge fungous grass seedling is arranged closely in main orbit, secondary track inner chamber successively.

6. multi-track according to claim 5 huge bacterium grass seeding unit, it is characterized in that: the outside upright of described sideboard is provided with the fixed dam be connected in frame, described sideboard is connected with fixed dam through the axis of guide, the described axis of guide is arranged with the second back-moving spring and bearing, described fixed dam is equipped with promote the latch that sideboard inwardly slides.

7. multi-track according to claim 6 huge bacterium grass seeding unit, it is characterized in that: described frame is provided with feed hopper at charging aperture place, described frame is tiltedly installed with blow tank in the exit of seeding passage, is provided with support bar between described frame and blow tank.

8. multi-track according to claim 7 huge bacterium grass seeding unit, is characterized in that: be provided with gripper shoe in the edge of described frame upper and lower end parts, described gripper shoe is stained with damping gasket.