CN1335050A - Rice transplanter - Google Patents

Abstract

The invention provides a rice transplanter which is characterized in that, it is mounted with a transplanting part capable of freely lifting on the vehicle support equipped with motor. Also, the stepless gear shift belt for transmitting output power of motor is set in the gearbox, which is fixed between the left and right vehicle support.

Description

Rice transplanter

The present invention relates to a kind of for example have rice shoot carrier and rice transplanting pawl, can carry out the manned formula rice transplanter of rice transplanting and (seedling road) side fertilising operation continuously.

In the past, interflow portion between the outlet of fertilizer inlet that flows through the hose coupling of carrying wind from the fertilizer of watertight aircase and fertilizer conveying box is be set at the driving shaft core that is eccentric in conveying box locational, makes from the conveying fertilizer of carrying roller to drop in the portion of interflow with linearity haply.But at the air flow by this wind direction during with a kind of like this structure of conveying of carrying out fertilizer, the fertilizer of the outlet side of conveying box owing on the effect meeting of the air flow that blows attached to making it breakage near the outlet, thereby the fertilizer blocking problem takes place easily.

Therefore, in the present invention, to with hose coupling: provide fertilizer to carry the watertight aircase of wind, send the fertilizer conveying box of fertilizer and provide on the rice transplanter that the parts such as delivery hose of fertilizer are connected to transplanting portion, because the rear end of vehicle frame is provided with fertilizer distributor, simultaneously, fertilizer distributor is provided with by flexible delivery hose to making the fan blower that the ditch device is discharged fertilizer as the side of the hull of fertilising portion, so just can on the vehicle frame rear end, dispose the fertilizer distributor of constant weight, rice transplanter and fertilizer distributor are averaged out on weight, should not worry body overturning forwards, backwards; And, because the conveying wind action of fan blower, can be in flexible flexible pipe fertilizer successfully be transported to as the side of the hull of fertilising portion from the fertilizer conveying box always and does on the ditch device, be not trapped in problem in the delivery hose and fertilizer can not occur.

Again, the power hose coupling will: watertight aircase that fertilizer carries wind is provided, sends the fertilizer conveying box of fertilizer and provide to transplanting portion on the rice transplanter that the parts such as delivery hose of fertilizer are connected, with respect to the interflow portion between the fertilizer inlet of the outlet of fertilizer conveying box and hose coupling, funnel-form is formed on the bottom of fertilizer conveying box; The mode of fertilizer with spiral flow fallen, and the effect of the spiral flow when being fallen by fertilizer just might promote fertilizer not have aheap and successfully fall; And, even when the accumulation of fertilizer powder having occurred in the exit of conveying box, the fertilizer powder of accumulation is fallen remove, thereby can prevent the fertilizer blocking problem reliably.

In addition, in full week from the bottom sidewall of carrying the conveying box of roller till the outlet of conveying box, be designed to have the shape at the above inclination angle of certain value, thereby can prevent to connect the problem that drops to the exit with bulk, prevent the obstruction of fertilizer reliably from the conveying fertilizer that transfers out roller.

And, interflow portion being arranged on the position of the most close watertight aircase, the attraction of the conveying wind in conveying box exit is just very big, thereby might promote the good interflow of fertilizer.

And, with hose coupling will: watertight aircase that fertilizer carries wind is provided, sends the fertilizer conveying box of fertilizer and provide to transplanting portion on the rice transplanter that the parts such as delivery hose of fertilizer are connected, in the interflow portion between the fertilizer inlet of the outlet of fertilizer conveying box and hose coupling, be provided with and prevent that fertilizer from stopping up the cleaning parts of usefulness; And these cleaning parts are connected with the roller driving shaft of carrying roller.Like this, even take place easily in for example conveying powdered more fertilizer or high-temperature condition etc. under the operating condition of obstruction of fertilizer, also can clear away the effect of parts and prevent reliably, might realize not having the air-flow of the fertilizer that fertilizer stops up reliably and carry operation by this in the adhering to of interflow portion apply fertilizer powder etc.

In addition, above-mentioned cleaning parts are to form with the tiny helical spring in line footpath.Like this, when can preventing the obstruction of interflow portion apply fertilizer well,, just can eliminate the obstruction problem that these cleaning parts are discharged fertilizer, thereby can promote that fertilizer collaborates smoothly because there is the space in this helical spring inboard.

Below, according to appended drawing embodiments of the invention are described in detail.

Fig. 1 is the front key diagram of gearbox portion.

Fig. 2 is all side views of manned formula rice transplanter.

Fig. 3 is all planes of manned formula rice transplanter.

Fig. 4 is the side view of walking car.

Fig. 5 is the plane of walking car.

Fig. 6 is the front key diagram of engine portion.

Fig. 7 is the side illustration figure of gearbox portion.

Fig. 8 is the side illustration figure of gearbox portion.

Fig. 9 is the cross sectional illustration figure of gearbox portion.

Figure 10 is the back side key diagram of gearbox portion.

Figure 11 is the side illustration figure of vehicle frame portion.

Figure 12 is the front key diagram of vehicle frame portion.

Figure 13 is the side illustration figure of fuel tank portion.

Figure 14 is the side illustration figure of engine portion.

Figure 15 is the side illustration figure of fuel tank portion.

Figure 16 is the side illustration figure of fuel tank portion.

Figure 17 is the plane key diagram of fuel tank bottom covering department.

Figure 18 is the perspective illustration of fuel tank bottom covering department.

Figure 19 is the cross sectional illustration figure of the interflow portion of conveying box.

Figure 20 is the plane of fertilizer distributor portion.

Figure 21 is the back view of fertilizer distributor portion.

Figure 22 is the side illustration figure of fertilizer distributor portion.

Figure 23 is the side illustration figure of riser guide portion.

Figure 24 is the side illustration figure of fertilizer conveying box portion.

Figure 25 is the plane key diagram of fertilizer conveying box portion.

Figure 26 is the back side key diagram of bottom framework portion.

Figure 27 is the back side key diagram of fertilizer conveying box portion.

Figure 28 is the side illustration figure of bearing board.

Figure 29 is the plane key diagram of handle portion.

Figure 30 is the back side key diagram of handle portion.

Figure 31 is the side illustration figure of handle portion.

Figure 32 analyses and observe key diagram for the side of fertilizer conveying box.

Figure 33 analyses and observe key diagram for the back side of fertilizer conveying box.

Figure 34 is the plan cross-section key diagram of fertilizer conveying box.

Figure 35 is the decomposition key diagram of bottom and hose coupling.

Figure 36 is the plane key diagram of bottom.

Fig. 1 is the front key diagram of gearbox portion.Fig. 2 is the side view of manned formula rice transplanter.Fig. 3 is the plane of manned formula rice transplanter.Symbol 1 is taken advantage of the walking car of seat among the figure for the operator.Engine 2 is installed on the vehicle frame 3 as mainframe.In the place ahead of gearbox 4, supporting front-wheel 6 in paddy field walking usefulness by front-wheel axle box 5.Simultaneously, at the rear portion of above-mentioned gearbox 4, be provided with trailing wheel axle box 7.On this trailing wheel axle box 7, supporting trailing wheel 8 in paddy field walking usefulness.And, on the both sides of the hood 9 that is covered with above-mentioned engine 2 parts such as grade, standby rice shoot microscope carrier 10 is installed.Simultaneously, take advantage of the car body cover 12 of the car body of seat to be covered with above-mentioned transmission case 4 parts such as grade across pedal platform 11 by the operator.On the top of above-mentioned car body cover 12, settling driver's seat 13.In the place ahead of this driver's seat 13, on the position at the rear portion of above-mentioned hood 9, be mounted with steering wheel 14.

In addition, symbol 15 is the transplanting portion of parts such as the rice shoot microscope carrier 16 that has 6 rice transplantings and use and a plurality of rice transplanting pawls 17 among the figure.By lower guide 18 and guide rail 19, rice transplanting case 20 upper supports can about the low FC rice shoot carrier made from synthetic resin 16 in the preceding high back that freely reciprocatingly slides.Simultaneously, on above-mentioned rice transplanting case 20, supporting the rotary box 21 that rotates to constant speed to folk prescription.At the rotating shaft core with this rotary box 21 is on the symmetrical position, center, is provided with a pair of pawl case 22 and 22.On the front end of this pawl case 22 and 22, rice transplanting pawl 17 and 17 are installed.In addition, on the front side of above-mentioned rice transplanting case 20, hook rack 24 is being set by rolling fulcrum shaft 23.By being provided with the lifting linking member mechanism 27 of connecting rod 25 and lower link 26, hook rack 24 is connected with the rear side of walking car 1.By aforementioned link mechanism 27, the lifting power cylinder 28 that transplanting portion 15 is carried out lifting is connected with lower link 26.Driving above-mentioned front and back wheel 6 and 8 and when making it to produce walking, can take out the rice shoot of the amount of a strain from the rice shoot microscope carrier 16 that direction to the left and right reciprocatingly slides by rice transplanting pawl 17, thereby realize continuous rice transplanting operation.

Again, symbol 29 is a main shift lever among the figure.30 is to be the rice transplanting action bars of secondary gear lever again.31 are rice transplanting sensitivity adjusting rod.32 is the main clutch pedal.33 and 33 is left and right sides brake pedal.34 is all central hulls of flat usefulness of 2 seedling roads.35 be 2 seedling roads all the side of flat usefulness connect hull.36 is the side fertilizer distributor that 6 seedling roads are used.

Further, to shown in Figure 7, on the front portion of the above-mentioned vehicle frame 3 that is low early and high after (about 4 degree in inclination angle) inclination, fixing a plurality of stands 37 in aggregates as Fig. 4.At the fore-and-aft direction of stand 37 is above the level on the side haply, by Shockproof rubber 38 engine bearer 39 is installed.Above-mentioned engine 2 is installed on engine bearer 39.On the left side of this engine 2, settling fuel tank 40.And on the right side of this engine 2, settling muffler 41.Simultaneously, on the front of vehicle frame 3, accumulator 43 is installed by front frame 42.

On above-mentioned vehicle frame 3, fixing block in aggregates 44 again.On this block 44, operation panel 45 is installed.In be inserted in control lever shaft 14a as the steering wheel 14 on the cylindrical shell 46 of control stick column, on the middle position that is positioned at left and right sides vehicle frame 3 and 3 haply, be straightened be arranged on operation panel 45 above.Simultaneously, below operation panel 45, be equipped with output shaft 47.On this output shaft 47, be installed with to about front-wheel 6 and the handlebar 48 of 6 travel directions conversions.

In addition, the downside of the engine bearer 39 below above-mentioned engine 2, welding is fixing forwards, backwards that direction is the bearing body cylindraceous 49 of level haply.On this bearing body 49, insert the logical countershaft 50 that supporting.On the front end of the outstanding countershaft 50 in the place ahead of bearing body 49, secondary belt pulley 51 is installed.Simultaneously, on the front side of engine 2, disposing the alternating current generator of facing mutually 52.Above the substantial middle position between left and right sides vehicle frame 3 and 3, the prominent output shaft 53 of establishing in the place ahead of engine 2.On this output shaft 53, output belt pulley 54 is installed.Should export belt pulley 54 is connected with above-mentioned secondary belt pulley 51 after " V " shape is with 55 and 55.Simultaneously, on the input belt pulley 56 of above-mentioned alternating current generator 52, be with 57 connecting above-mentioned output belt pulley 54 by " V " shape.

Further, on the rearward end of above-mentioned vehicle frame 3, trailing wheel axle box 7 with bolted.In the front of this trailing wheel axle box 7, be connected and fixed the back of gearbox 4.Simultaneously, on the front, right side of gearbox 4, be integrally formed clutch box 58.In the front of this clutch box 58, fix the back, right side that (recess) the stepless band gearbox 59 that also is gearbox tabling.In addition, on the back, left side of band gearbox 59, fixing making lifting power cylinder 28 produce the oil pressure pump 60 of action.Between the left and right sides of square tube shape vehicle frame 3 and 3, than the upper surface of this vehicle frame 3 by under the position on, hang and fixing above-mentioned each case 4,58,59 and oil pressure pump 60.Between the rear end and band gearbox 59 of above-mentioned countershaft 50, the power transmission shaft 61 with universal joint is being set.The output of engine 2 is passed on the band gearbox 59.Simultaneously, between front-wheel axle box 5 and gearbox 4, wheel shaft 62 before being provided with.The speed change output of gearbox 4 is passed to respectively on front and rear wheel 6 and 8 after each takes turns axle box 5 and 7.

And, on the rear end of above-mentioned vehicle frame 3, be provided with lower link fulcrum shaft 63.On this fulcrum shaft 63, the front end of above-mentioned lower link 26 is installed.Simultaneously, between the rear end of left and right sides vehicle frame 3 and 3, erect door shape pillar 64 is being set.On the upper end of this pillar 64, fertilising support 65 is being set.On this fertilising support 65, the front end of connecting rod 25 is installed by last connecting rod pivot axle 66.

In addition, also be provided with pedal fulcrum pipe 67 with above-mentioned brake pedal 33.About vehicle frame 3 and 3 between, be inserted with above-mentioned pipe 67 to connect shape.The both ends of this pipe 67 are weldingly fixed on the vehicle frame 3.This pipe 67 becomes the parts that connect left and right sides vehicle frame 3 and 3.Simultaneously, also be provided with among the present invention be installed with above-mentioned lift cylinder 28 about auxiliary vehicle frame 68 and 68.The front end of the auxiliary vehicle frame 68 that tilts with front-low-rear-high shape is weldingly fixed on the above-mentioned pedal fulcrum pipe 67.And should assist the rear end of vehicle frame 68 to be weldingly fixed on the upper end of pillar 64.

To shown in Figure 10, in band gearbox 59, be provided with input and output belt pulley 69,70 and variable velocity zone 71 that the diameter of scratching band by change is realized the stepless transformation of gear ratio as Fig. 8.The front end of power shaft 72 as the Pulley shaft of band gearbox 59 is connected with the rear end of above-mentioned countershaft 50 behind the power transmission shaft 61 through having universal joint.On the rear end of power shaft 72, directly connecting oil pressure pump 60.Simultaneously, in clutch box 58, be provided with the many plate friction shape dry clutches 73 that are interrupted the operation that continues by clutch pedal 32.The output shaft 74 of band gearbox 59 is connected with the power shaft 75 of gearbox 4 behind above-mentioned clutch 73.

In addition, also be provided with in the present invention: tension rollers 76, make the roll coil of strip of input and output belt pulley 69 and 70 scratch input and output that diameter changes with cam 77 and 78 and with each cam 77 and 78 contacted input and output with rollers 79 and 80.Simultaneously, in above-mentioned band gearbox 59, gear lever 82 is being set behind variable-speed shaft 81.

Further, on above-mentioned output shaft 74, the pars intermedia of the nutted rod 83 that can freely rotate is installed.This nutted rod 83 one distolateral on, the tension rollers 76 that can freely rotate is installed behind axle 84.Simultaneously, an end of tensioning spring 85 is connected on the other end of this nutted rod 83.And can be freely to rotate on above-mentioned band gearbox 59 axle propping up driven shaft 86 in the middle of the place.To the outstanding driven shaft 86 in the inside of above-mentioned gearbox 59 one distolateral on, fixing the cardinal extremity of follower lever 87 integrally.On the front end of follower lever 87, engaging the end of above-mentioned tensioning spring 85.Between nutted rod 83 and follower lever 87, connecting tensioning spring 85.On another of the outstanding driven shaft 86 in the outside of above-mentioned gearbox 59 is distolateral, fixing the cardinal extremity of locking bar 88.Simultaneously, in the outside of above-mentioned gearbox 59, fixing the front end of above-mentioned locking bar 88 with bolt 89.By above-mentioned bolt 89 make each bar 87 and 88 and gearbox 59 fixing in aggregates.Tensioning spring 85 is supported with tensioning state.Tension rollers 76 is crimped on the variable velocity zone 71, so that the tensile force of variable velocity zone 71 remains on the above value of regulation.

And behind connecting rod 90,91 and 92, each input and output is connected with above-mentioned variable-speed shaft 81 with 78 with cam 77.Simultaneously, on above-mentioned gear lever 82, connecting rice transplanting action bars 30.By handling this action bars 30, input and output are rotated around input and output shaft 72 and 74 with cam 77 and 78.By changing the width of input and output, make the volume of variable velocity zone 71 scratch diameter and change with belt pulley 69 and 70.The gear ratio of above-mentioned belt pulley 69,70 and variable velocity zone 71 is carried out stepless variation.

As from Figure 11 to Figure 12, also see, on the front side of above-mentioned output belt pulley 70, be integrally formed air-breathing blade 93.Front at the band gearbox 59 that is positioned at the place ahead of exporting belt pulley 70 offers air entry 94.Be connected with air entry 94 by the hollow bulb of inhaling hose 95 the right vehicle frame 3 of square tube shape.The air of the hollow bulb of right vehicle frame 3 is inhaled into the inside, right side of above-mentioned gearbox 59 from front face side.Simultaneously, on the side of the back of above-mentioned input belt pulley 69, be integrally formed exhausting blade 96.On the rear portion of left surface of the band gearbox 59 at the left rear side that is positioned at input belt pulley 69, offer exhaust outlet 97.On external diameter one side of input belt pulley 69, be provided with exhaust outlet 97.Between the hollow bulb and exhaust outlet 97 of the left vehicle frame 3 of square tube shape, be connected by exhaust hose 98.The air at the rear portion, left side of above-mentioned gearbox 59 is discharged to the hollow bulb of vehicle frame 3 from the rear portion of its left surface.

In addition, on the front and back end of left and right sides vehicle frame 3, fixing blind lid 99 and 100, making the inner one-tenth of its hollow airtight construction.Simultaneously, blind lid 99 forwardly and 100 top offer square ventilation respectively and use hole 101.In the hollow inside of vehicle frame 3, be formed with the ventilation wind path 102 of air from its front end one through to the rear end.The time flow into the ventilation that air (cooling air) in this wind path 102 promote the band gearbox 59 that is connected with the half-way of this wind path 102 by driving.

As shown in figure 11, the front end face of left and right sides vehicle frame 3 is facing to than low slightly belows of exterior member such as front step place 103 and anterior bumpers 104, with the safety of the leading section of protection vehicle frame 3.Simultaneously, the input of the air in the past ventilation wind path 102 can be carried out well.

And, above-mentioned ventilation is arranged on the top of blind lid 99 and 100 with hole 101, mainly be in order to prevent intrusion from the muddy water of farmland face.But as the two point of Figure 12 draw shown in the dotted line like that, also can offer hole 101a, so that when having rainwater etc. to invade, help to discharge moisture content in the bottom of blind lid 99 and 100.In addition, can on any side about left and right sides vehicle frame 3, be communicated with and connect inhaling hose 95.At this moment, connect exhaust hose 98, just can obtain the ventilation effect same on the right side by on the opposite side of left and right sides vehicle frame 3, being communicated with.

Can find out also that in from Figure 15 to Figure 18 on the downside at front step place 163, above-mentioned fuel tank 40 is supported on the front side of left vehicle frame 3 and left step place pole 164.On the carriage 165 of the left-external side face of the front frame 42 in left side, with bolt 166 connect supporting fuel tank 40 up and down before the front end right side of commissura 40a.Simultaneously, at the carriage 167 on the left-external side face of the front side that is fixed on left vehicle frame 3 be fixed between the carriage 168 on the Right Inboard of left step pole 164, fuel tank pole 170 with each bolt 169 crossbearer.On this fuel tank pole 170, connecting the back commissura 40b of fuel tank 40 with bolt 166.Constitute the fuel tank carriage of a ring-type by vehicle frame 3 and each pole 164,170, the rigidity of this carriage is improved.Simultaneously, when taking off left step place pole 164, on vehicle frame 3 one sides, still supporting fuel tank 40.Can make engine 2 still with under the host computer side state that is installed with in aggregates carry out relevant inspection, maintenance activity with fuel tank 40 parts such as grade.Like this, just can improve the maintainability of machine.

In addition, on the position of the upper surface central authorities haply of above-mentioned fuel tank 40, be provided with pouring orifice 171.And two blow vents 172 before and after being provided with in the front and back of this pouring orifice 171 and 173.In addition, below the front side of the bottom surface of this fuel tank 40, be provided with oil plant cock 174.On the left-external side by the back fuel tank of locating 40 slightly of oil plant cock 174, be provided with oil plant drain cock 175.On 2 the blow vent 172 and 173, be respectively equipped with the ventilation hole 172a and the 173a of minor diameter in front and back, both lay respectively at the front and back side of pouring orifice 171, and with this pouring orifice 171 be separated by certain spacing A and B.Like this, even cross ridge and when body being produced forwards, backwards tilt at machine, the air that evaporation is expanded in fuel tank 40 also can be discharged into outside the fuel tank from any one blow vent 172 or 173 of front and back, thereby prevents that oil plant from leaking out from another blow vent 173 or 172.

Further, above-mentioned fuel tank cock 174 be set at fuel tank 40 front end left-external side will position in the inner part than the anterior bumper 163a at front step place 163 on.Below the 40a of commissura up and down of fuel tank 40, there is bolt 176 fixing clip 177.On this clip 177, fixing cock in aggregates 174 with bolt 178.Like this, just can carry out the inspection and the adjustment operation of oil plant cock 174 than being easier to.Simultaneously, by making cock 174 and fuel tank 40 designs in aggregates, can prevent with engine 2 and oil plant flexible pipe 179 and 180 that fuel tank 40 is connected on occur stopping up and accidents such as breakage.In addition, be positioned at the inboard of the 163a of buffer portion, can guarantee the safety of this cock 174 by making cock 174.

And, on the oil plant flexible pipe 180 of outlet 181 that is connecting above-mentioned fuel tank 40 and oil plant cock 174, be provided with three-dimensional joint 182.Connected by discharging hose 183 between above-mentioned oil plant drain cock 175 and the three-dimensional joint 182, oil plant can be taken out from the left-external side face of fuel tank 40.

In addition, the filling oil cover 184 of pouring orifice 171 is set at than on the position above following will the leaning at front step place 163.Like this, both can prevent to be direct splashing on the filling oil cover 184, and simultaneously, can carry out the replenishment operation of oil plant again easily to fuel tank 40 from the top of front step 163 from the earth of front step place 163 downsides.

On the rear position of above-mentioned pouring orifice 171, be provided with oil plant meter 185 again.

In addition, on the bottom outside of above-mentioned fuel tank 40, be provided with cover 186 at the bottom of the fuel tank of concave shape.Cover 186 roughly is rectangle from the plane at the bottom of this fuel tank, and its 4 angles are cut into oblique shape, sees from the side in the position that is roughly central authorities to bend to spill upward.The right-hand member that is fixedly installed on the pipe 187 on the right curved interior face of this cover 186 outstanding to the right outside of end cover 186 end.On tubular 188 that is fixedly installed on the left vehicle frame 3, insert the outstanding right-hand member that is supporting above-mentioned pipe 187.Simultaneously, near on the position of pipe 187, the installation sheet 189 that will be installed in " L " shape on the lateral surface of cover 186 at the bottom of the fuel tank by single bolt 191 is fixed on the side bracket 190 of left vehicle frame 3.Like this, by the effect of above-mentioned end cover 186, just can prevent that the farmland from facing the interference of parts such as the bottom of fuel tank 40 and oil plant flexible pipe 179,180.In addition, by installing or unload the end cover of being fixed by single bolt 191 186, the maintainability when carrying out operation such as inspection and maintenance around the fuel tank 40 is improved.

On the other hand, on above-mentioned blow vent 172 and 173, connecting the distolateral of breather pipe 192 and 193 respectively.These breather pipes 192 and 193 in the middle of the place is supported mentions upward, be down " V " word shape.On the right flank that is fixedly connected on the right installing rack 194 of hood on the above-mentioned cylindrical shell 46, fixing pipe suspension hook 195.On this suspension hook 195, suspending the pars intermedia of above-mentioned breather pipe 192 and 193 in midair, make this breather pipe 192 and 193 be bent into 2 parts at these suspension hook 195 places.The other end of this breather pipe 192 and 193 is hung down downwards.Suspension hook 195 is set on such height, even so that in the body 30 ° of occasions with upper angle that tilt forwards, backwards, the oil plant liquid levels in the fuel tank 40 can not exceed the height C that raises up of breather pipe 192 and 193 yet.So just can prevent from from breather pipe 192 and 193, to leak out oil plant.

According to above-mentioned such formation, on a side of engine 2, fuel tank 40 is being set at the low level place of front step place 163 downsides.Simultaneously, this fuel tank 40 be positioned at opposite side relative about muffler 41 is on.The top of the position ratio engine 2 of fuel tank 40 will be by following.Fuel tank 40 and muffler 41 be separated to be configured in engine 2 about, to prevent high temperatureization, do not make to occur owing in the inner oil plant of carburetor, producing the situation that bubble can not normally carry out the supply of oil plant owing to the caused fuel tank 40 of heat of engine 2 or muffler 41.Simultaneously, by parts such as engine 2, fuel tank 40 and muffler 41 are configured in the place ahead in the centre of gravity mode, just can and the transplanting portion 15 at rear between obtain balance on the good front and back weight, make body keep stable.In addition, be provided with the same haply highly, when this filling oil cover 184 of operation, just do not have the obstacle in what operation with the top height at front step place 163 by height with the filling oil cover 184 of fuel tank 40.And fuel tank 40 can be protected in step place 163 safely.Further, when oil dropping apparatus 40 replenished oil plant, that does not have reliably easily that oil plant leaks did not expect replenishment operation.In addition, by cover 186 at the bottom of the fuel tank on the bottom outside that is arranged on fuel tank 40, the farmland is in the face of the interference of the bottom of fuel tank 40 in the time of can preventing to pass in and out the farmland.The oil plant flexible pipe 179 and 180 that is connected with the bottom of fuel tank 40 also can cover 186 and be protected safely the end of by.Thereby can prevent that these flexible pipes 179 and 180 from owing to coming off or breakage of firmly being caused by hook, be improved workability and useful life longevity.

Further, cover 186 so just can be easily the bottom periphery of fuel tank 40 be carried out inspection and maintenance work, is improved maintainability owing to be to install or unload operation by operating single bolt 191 at the bottom of the above-mentioned fuel tank.

Moreover, even during operation body forwards, backwards direction inclination has appearred, since the air that the evaporations in the fuel tank 40 are expanded can be from front and back 2 blow vent 172 and 173 any one promptly discharge outside the case, so can prevent reliably that also oil plant from leaking out from the blow vent 173 or 172 of low level side.At this moment, even for example in body 30 ° of the occasions that tilt forwards, backwards with upper angle.Also can prevent the leakage of oil plant reliably by breather pipe 192 and 193.

Further, as from Figure 20 and Figure 21, also finding out, on above-mentioned fertilizer distributor 36, have: the fertilising hopper 237 that the fertilizer of packing into of as fertilizer sources case is used, to fertilizer carry out weight feed fertilizer conveying box 238, discharge fertilizer by flexible delivery hose 240 and give turbo-blower 241 and the columnar watertight aircase 242 of making ditch device 239 as the side of the hull 34 of fertilising portion and 35.Simultaneously, on the right-hand end of watertight aircase 242, fan blower 241 is installed.At the upside of watertight aircase 242,6 fertilizer conveying boxes 138 that 6 seedling roads are used are being set.

Moreover, to shown in Figure 27, on both sides, left and right sides bottom framework 245 and 245 are installed as Figure 22 across the horizontal frame 244 between the upper end of the left and right sidesing pillar 243 of the rear end of above-mentioned vehicle frame 3.By along fore-and-aft direction haply with the horizontal above-mentioned bottom framework of crossing over 245,245, fertilizer distributor 36 is installed.Simultaneously, by carriage 246 and 246, on left and right sides bottom framework 245 and 245, watertight aircase 242 with bolt.Between the rearward end and vehicle frame 3 of bottom framework 245, be connected with side pole 247.On the side of the front and back of bottom framework 245, erect and be provided with front and back riser guide 248 and 249.By 4 these riser guides 248,248 and 249,249 of about one group 2 pairs of front and back, be installed with can free lifting fertilizer distributor 36.Simultaneously, with 2 gas springs 250 and 250 of pair of right and left, be installed with can free lifting fertilizer distributor 36.Supporting the weight of fertilizer distributor 36 by the trailing wheel axle box 7 on the rearward end that is configured in vehicle frame 3.From Figure 28, also can find out, on the position relative, shaft bearing plate 251 is being set with front and back riser guide 248 and 249.Can be embedded in a plurality of bearing rollers 252 on above-mentioned guide rail 248 and 249 freely to rotate mutually, can supported by shaft bearing plate 251 freely to rotate.2 guide rails 248 in front and back and 249 are configured to symmetrical 2 groups.With respect to single guide rail 248 and 249,2 rollers 252 and 252 are installed up and down.Pair of right and left shaft bearing plate 251 and 251 can be supported on the bottom framework 245 by 248,249 and 8 rollers 252 of 4 guide rails free lifting.

In addition, the lower end of above-mentioned gas spring 250 is connected with above-mentioned vehicle frame 3, and the upper end of gas spring 250 is connected with shaft bearing plate 251.This gas spring 250 is essentially parallel setting setting with above-mentioned guide rail 248 and 249.Simultaneously, the position of centre of gravity place on the front and back width of gas spring 250 and fertilizer distributor 36 is connected.Employed gas spring 250 has with the weight of fertilizer distributor 36 and equates haply or smaller a little expansion force.

Further, as Figure 28 to shown in Figure 31, about shaft bearing plate 251 and 251 fixing in aggregates by the forebay 253 of tubular.The employed handle 254 of operator is weldingly fixed on the above-mentioned forebay 253 when promoting fertilizer distributor 36.About above-mentioned shaft bearing plate 251 and 251 on, supporting the axle of the left and right sides deadlock lever 256 that can freely rotate and 256 through bolster 255 and 255.On the left and right sides of front side riser guide 248 and 248, through about deadlock lever 256 and 256 engaging the front portion of Y-axis board 251 and 251.Simultaneously, on the left and right sides of rear side riser guide 249 and 249, the left and right sides lock pin 257 and 257 that can be free to slide is installed.This lock pin 257 can freely be engaged in the connecting hole 258 that is engaged to the shaft bearing plate 251 shown in Figure 28 with coming off.On the left and right sides of rear side riser guide 249 and 249, fixing the rear portion of Y-axis board 251 and 251 through left and right sides lock pin 257 and 257.The front and rear of shaft bearing plate 251 is fixed on the riser guide 248 and 249 of front and back by deadlock lever 256 and lock pin 257.In addition, as Figure 31 and shown in Figure 35, on above-mentioned riser guide 248, be formed with connecting hole 258 and 259 up and down.By engaging deadlock lever 256 on each connecting hole 258 and 259, fertilizer distributor 36 is fixedly supported on rising or the down position.Deadlock lever 256 stretches out from the downside of above-mentioned handle 254.When the operator grasps the handle 254 outstanding towards the driver's seat direction, can operate deadlock lever 256.Deadlock lever 256 can split away off from connecting hole 258 and 259.

Again, on above-mentioned forebay 253, case front rack 260 is being fixed in welding.On this case front rack 260, the front side of using bolt above-mentioned conveying box 238.Conveying box 238 and 238 as 2 seedling roads of central authorities of an assembled unit is configured between left and right sides riser guide 248 and 249.The outside in riser guide 248 and 249, the conveying box 238 and 238 in each 2 seedling road about disposing respectively.Conveying box 238 and 238 with 2 seedling roads is an assembled unit, is arranged side by side the conveying box 238 of 3 assembled units along left and right directions.

Further, as Figure 32 and shown in Figure 34, being taken on mouthfuls 261 of front side on above-mentioned conveying box 238, the lower part outlet 262 of above-mentioned fertilising hopper 237 in the phase embedding.Simultaneously, at the front of above-mentioned conveying box 238 downside, be formed with the product 263 that take out.This conveying end 263 is lived by 264 obturations of the lid that can freely load and unload.When taking off above-mentioned lid 264, conveying end 263 is an open state, can make the fertilizer of fertilise bucket 237 inside run down into the below of front side.At this moment, fertilizer distributor 36 is supported on the lifting position of riser guide 248 and 249, by the interval between the watertight aircase 242 that enlarges conveying end 263 and below, can make the tank capacity of dress fertilizer be inserted into the below of above-mentioned conveying end 263, thereby can easily residual fertilizer be taken out.

In addition, below above-mentioned conveying box 238, fixing the bottom 266 as the conveying box bottom that can freely load and unload by blocking lever 264.Simultaneously, below the above-mentioned bottom made from hard resin 266, be formed with outlet 267.On watertight aircase 242, be provided with the conjugation tube made from soft synthetic resin 268 that its leading section by the phase embedding.On the rear end of this conjugation tube 268, the front end of the hose coupling made from hard resin 269 that can freely load and unload in the phase embedding.Simultaneously, on the rear end of above-mentioned hose coupling 269, above-mentioned delivery hose 240 in the phase embedding.The air-supply of above-mentioned fan blower 241 is blown out on each conjugation tube 268 and the flexible pipe 240 from watertight aircase 242.The fertilizer that drops on the joint 269 from the outlet 267 of bottom 266 is transported on the delivery hose 240.At the place, centre position of the above-mentioned joint 269 that is formed with " T " font flange, upwards opening has inlet 270.In the outlet 267 of bottom 266, fixing chimeric cover 271.This chimeric cover 271 can on the outer wall of above-mentioned inlet 270 by embedding with freely loading and unloading.Outlet 267 continues mutually with inlet 270.Simultaneously, on above-mentioned watertight aircase 242, fixing installing plate 272 integrally.On this installing plate 272, above-mentioned joint 269 with bolt.

And also have among the present invention: be provided be taken into mouthfuls 273 and the access panel 275 of blow-off outlet 274,, on same circumference, be provided with and a plurality ofly carry the delivery board 277 of roller and the exit plate 279 that is provided with outlet 278 for the conduct of square delivery port 276 haply.With flat board make haply for circular above-mentioned each plate 275,277 and 279, be configured between conveying box 238 and the bottom 266 in multi-lamellar mode.Simultaneously, on conveying box 238, supporting is the vertical conveying axis 280 as the roller driving shaft that can freely rotate haply.The lower end side of conveying axis 280 is connected the central portion of each plate 275,277 and 279.Below exit plate 279, be subjected to effect from the elastic pressure of the spring 281 of below.Each plate 275,277 and 279 is supported on the conveying axis 280 in the mode that can freely transfer to from the below.And, by the effect of blocking lever 265, make each plate 275,277 and 279 by elasticity by being pressed between conveying box 238 and the bottom 266.Access panel 275 and exit plate 279 are stuck close on the conveying box 238.With respect to each plate 275 and 279, make conveying axis 280 be idling conditions.Simultaneously, delivery board 277 engagings are supported on the conveying axis 280, make delivery board 277 produce enforceable rotation by conveying axis 280.Like this, just can make from being taken into mouthful 273 fertilizer that enter on the delivery port 276 and shift to outlet 278, fall toward the direction that exports 267.

In addition, be taken on mouthfuls 273 the end, the clear board made from rubber 282 of unnecessary fertilizer above the delivery port 276 being removed usefulness is installed above-mentioned.By height adjustment knob 283, above-mentioned clear board 282 can free adjustment be installed on the conveying box 238 to heavens.By outside the lower end of clear board 282 is regulated with respect to the height above the delivery board 277, to adjust the fertilizer sendout of delivery port 276 from conveying box 238.

On conveying box 238, be formed with the pressure wind relative and be taken into mouthfuls 284 with the blow-off outlet 274 of above-mentioned access panel 275 again.The hollow bulb of above-mentioned watertight aircase 242 and above-mentioned pressure wind are taken between the mouth 284 and are connected by isocon 285.By above-mentioned isocon 285 be taken into mouthfuls 284, will supply on the blow-off outlet 274 from the air-supply of fan blower 241 and watertight aircase 242.From blow-off outlet 274 wind is delivered on the delivery port 276 of the position that moves to outlet 278.By this air-supply the fertilizer on the delivery port 276 is fallen forcibly downwards, thereby the fertilizer that can prevent graininess or powdery remain in the delivery port 276.

Further, as from Figure 23,26 and 31 also as can be seen, the PTO axle 286 that the power output of above-mentioned engine 2 is delivered on the transplanting portion 15 rearward extends from gearbox 4.Simultaneously, on above-mentioned left pillar 423, bearing housing 287 is being fixed in welding.The power shaft 288 of this bearing housing 287, behind chain 289, be connected in linkage above-mentioned PTO axle 286 in the middle of the place, on the rearward end of the output shaft 290 of bearing housing 287, fixing the crankshaft cheek 291 that can freely load and unload by Cylinder lock with ball mechanism.Also have in addition: make above-mentioned shaft bearing plate 251 and case tail-bracket 292 be fixed into the afer bay 293 of the square tube shape of an integral body.With this afer bay 293 being that parallel mode crossbearer haply with watertight aircase 242 and forebay 253.On case tail-bracket 292, the rear side of above-mentioned conveying box 238 with bolt.

In addition, on above-mentioned left bearing plate 251, supporting the axle of conveying capacity adjusting rod 296 by carriage 294 and axle 295.Simultaneously, on left bearing plate 251, be provided with adjusting connecting rod 298 and fulcrum connecting rod 299 by bolster 297.On the threaded portion 300 of above-mentioned adjusting rod 296, connecting adjusting connecting rod 298.On fulcrum connecting rod 299, be installed with and regulate fulcrum 301.Regulate on the fulcrum 301 at this, supporting the axle of driving rod 302.And, by rotating operation towards the outstanding above-mentioned adjusting rod 296 of driver's seat direction, threaded portion 300 is rotated, at this moment, above-mentioned each connecting rod 298 and 299 rotations in aggregates, the operator on the driver's seat position of above-mentioned adjusting fulcrum 301 changed, so just can carry out the adjusting operation of the conveying capacity of above-mentioned adjusting rod 296.Moreover, on the vehicle frame 293 of above-mentioned back, supporting the feed drive axle 304 that can freely rotate by shaft bearing plate 303.On this driving shaft 304, fixing rocking handle 305.On above-mentioned driving handle 302, connecting the distolateral of expansion link 306 that its length can freely adjust.And on above-mentioned rocking handle 305, another that is connecting above-mentioned expansion link 306 is distolateral.Simultaneously, above-mentioned crankshaft cheek 291 is connected on the driving handle 302 behind input bar 307.Like this, the PTO axle 286 that drives usefulness from rice transplanting just can be delivered to driving force on the feed drive axle 304 behind input bar 307 and driving handle 302.By the rice transplanting clutch that does not mark among the figure that closes, transplanting portion 15 and fertilizer distributor 36 are moved simultaneously or stop the action.In addition, when promoting the riser portions of fertilizer distributor 36, want relative output shaft 290 to take off crankshaft cheek 291, make it to break away from and being connected of drive division, so,, the position of regulating fulcrum 301 is changed by operating above-mentioned adjusting rod 296, thereby the reciprocating stroke that makes expansion link 306 produces stepless variation, realizes the step-less adjustment of fertilizer conveying capacity.

Further, as shown in figure 25, on above-mentioned afer bay 293, the one-way clutch 308 through preventing related rotation usefulness is supporting clutch shaft 309.On this clutch shaft 309, input connecting rod 311 is set through one-way clutch 310.Simultaneously, on above-mentioned feed drive axle 304, fixing walking bar rod 312.This walking bar rod 312 is connected with above-mentioned input connecting rod 311 behind connecting rod 313.When shaking input connecting rod 311, can make crank axle 309 produce unidirectional interrupted rotation.

In addition, on above-mentioned conveying box 238, fixing and stopping rice transplanting with clutch box 314.Simultaneously, on the upper end side of above-mentioned conveying axis 280, when bevel gear 315 is flat with 316, be connected power shaft 317.At above-mentioned clutch box 314, in be provided with and power shaft 317 break-makes freely be connected stop rice transplanting with clutch (not marking among the figure) on the above-mentioned clutch shaft 309.Simultaneously, on the direction of the front and back of above-mentioned clutch box 314, the rice transplanting that stops of above-mentioned clutch box 314 was arranged in 319 minutes with clutch control lever 318 and the clutch handle that clutch produces intermittent operation respectively.Stopping on the combined clutch control lever 320 that rice transplanting uses on the upside back side of the rice shoot carrier 16 that is arranged on above-mentioned transplanting portion 15, stop rice transplanting with steel wire rope 322 by what, connecting above-mentioned clutch handle 319 by 321 stretch-draw of outside support of afer bay 293.And, when above-mentioned when stopping combined clutch control lever 320 that rice transplanting using and making in the rice transplanting pawl 17 that 6 rice transplantings use any one stop operation by operating, with be stopped operation the rice transplanting that stops of rice transplanting pawl 17 corresponding above-mentioned clutch boxes 314 be cut off with clutch, the action of fertilising is stopped.Like this, by rice transplanting pawl 17, can be only to the operation of applying fertilizer in the seedling road of inserting seedling.

Further, as from Figure 28 to Figure 30, also can find out, on the outside of the installation site of the fertilizer conveying box 238 on 2 seedling roads of central authorities and 238, the shaft bearing plate 251 and 251 about welding is being fixed on mmi machine frame 253 and the afer bay 293.Simultaneously, the both ends of forebay 253 and afer bay 293, by about side frame 323 and 323 fixing in aggregates.The fertilizer conveying box 238 and 238 of the amount in 2 seedling roads of both sides is installed on the forebay 253 and afer bay 293 between shaft bearing plate 251 and the side frame 323.Four jiaos of frames that connect into each frame 253,293,323 of square box are divided into trisection along left and right directions by Y-axis board 251,251.Between the frame 253 and 293 of front and back, setting up the fertilizer conveying box 238 in 6 seedling roads.

As from Figure 29,32 and 34, also finding out, on the carriage 260 that is arranged between above-mentioned conveying box 238 and the forebay 253, laterally offer the peep hole 324 of major diameter along it.Like this, when installing bottom 266 on conveying box 238, Min constantly rotates back into rice shoot carrier 16 1 sides, but can be easily confirms from the situations such as phase place of a positive side when bottom 266 is installed.Like this, just improved the operating characteristics when these parts are installed.

Again, shown in figure 32, when the connection of carrying out between above-mentioned hose coupling 269 and the delivery hose 240, can use other joint, be connected on the outlet inside diameter 269a of hose coupling 269 but directly the inlet outer diameter part 240a of delivery hose 240 is inserted.Like this, not only realized a kind of in light weight but also compact structure, and charge and discharge operations is become easily, maintainability is improved.

Further, as Figure 19 and shown in Figure 35, on above-mentioned hose coupling 269, be formed with: from the air that engages with above-mentioned conjugation tube 268 be taken into that side direction that air blows out the air ejiction opening 325 as air inflow aperture that side direction is front fine and rear thick shape, the fertilizer of the as fertilizer sources inflow entrance that is made of the cylinder 326 with above-mentioned inlet 270 falls mouthfuls 327, with and send the interflow that side engages with above-mentioned delivery hose 240 and send mouth 328.Above-mentioned ejiction opening 325 and send mouthfuls 328 and be set at basically on same the straight line.At above-mentioned ejiction opening 325 with send on the graft union between mouthfuls 328, the fertilizer that continuing falls mouthfuls 327.And, above-mentioned cylinder 326 is obliquely installed along the direction of inlet 270 sides that make this cylinder 326 near watertight aircase 242.Fertilizer falls mouthfuls 327 and is a kind of heeling condition with offset straight angular direction of receding angle with respect to the air emission direction from the ejiction opening 325 of hose coupling 269.Be that fertilizer falls mouthful 327 inclinations with respect to air ejiction opening 325 formation acute angles.Like this, can prevent because the air that sprays from above-mentioned ejiction opening 325 moves in falling mouth 327, and make this air flow blow to this situation in inside of fertilizer conveying box 238 from the inlet 270 that falls mouth 327.

And, on the end of above-mentioned air ejiction opening 325, be formed with the straight section 325a of minor diameter, so that the flow velocity of ejection air is same sample value with certain-length.Simultaneously, the cross walls portion that this straightway 325a and fertilizer are fallen between the mouth 327 becomes the spray nozzle part 326a with acute angle, to prevent blowing air to falling in the mouth 327 from this straightway 325a.And, fall at fertilizer on the position below mouthfuls 327 the central authorities haply, offer the end 325b of the straightway 325a of minimum diameter.By effect, make fertilizer fall air in mouthfuls 327 and attracted to the interflow that becomes negative pressure and send on mouthfuls 328 the direction from the air jet of air ejiction opening 325.In addition, the interflow of the downstream side of air ejiction opening 325 is sent mouthfuls 328 makes to the rear portion and expands the shape of opening, continual-connecting-part facing to delivery hose 240, send at the interflow and to form the inclined-plane 329 of inclination that descends on mouthfuls 328 the bottom surface, send the accumulation of the fertilizer on mouthfuls 328 the bottom with the interflow that prevents the dirty portion in air ejiction opening 325 on the throne.

Further, on week, be provided with hook-type protuberance 330 at the opening part of the inlet 270 of the hose coupling 269 that is connected with fertilizer conveying box 328.On the edge of opening of the cylinder 326 that forms this protuberance 330, be provided with platform shape inclined-plane 331.Simultaneously, with the flexible chimeric cover made from rubber 271 of outlet 267 tablings of above-mentioned bottom 266, the internal diameter of its lower end side is bigger than the internal diameter of its upper end side, and lower end side is the shape that downward expansion is opened, and makes chimeric cover 271 be " eight " font on the vertical section.In addition, on the interior week of the pars intermedia of this chimeric cover 271, be provided with the empty bar 332 of heavy wall; Simultaneously, on the interior week of the bottom of chimeric cover 271, be provided with the prominent bar 333 of thin-walled.When on the cylinder 326 that chimeric cover 271 is covered above-mentioned hose coupling 269 from top one side, these prominent bars 332 and 333 can elasticity by being pressed on the platform shape inclined-plane 331, make outlet 267 and the gap that enters the mouth between 270 is sealed up by 271 on chimeric cover.

On the other hand, the bottom 266 of above-mentioned conveying box is the funnel-form of inverted cone.The center of above-mentioned outlet 267 is arranged on the position of extended line of the axle core that just is positioned at conveying axis 280.When along with air-supply power from blow-off outlet 274, from departing from when discharging a certain amount of conveying fertilizer the locational outlet 278 of certain distance with conveying axis 280, effect by the rotator inertia that produced by delivery board 277, make this fertilizer carry out helical rotation for the center, drop in the outlet 267 in the mode of spiral flow from conveying axis 280.The obstruction of fertilizer so just can in outlet 267, not occur, can successfully promote the discharge of fertilizer.

That is, above-mentioned bottom 266 being made with driving shaft 280 is the funnel-form of cone shape of the handstand at center.Carry fertilizer to fall by making, flowing of fertilizer whereabouts successfully carried out, and be not easy to occur the accumulation of fertilizer in the mode of spiral flow; And, also increased the attraction when collaborating to fertilizer at above-mentioned hose coupling 269 places, can reduce the air capacity of from hose coupling 269, returning.Even taken place when damaged, also can make it to force to fall by the effect of the fertilizer that falls in the spiral flow mode at fertilizer.Further, at the side wall portion of bottom 266, its whole periphery has haply the above inclined angle alpha of certain value uniformly, and does not have the existence at minimal tilt angle, so just can prevent the accumulation of fertilizer effectively, impels fertilizer successfully to discharge from exporting 267.

In addition, the bore of the outlet 267 of above-mentioned bottom 266 designs more greatly (for example a=28mm) than common bore (for example 25mm).Simultaneously, making the bore b of inlet 270 of hose coupling 269 bigger than bore a (is b＞a).Like this, can successfully carry out to inlet 270 just constantly falling of fertilizer, and the obstruction of fertilizer can not occur from exporting 267.

Further, in the interflow portion 334 between the inlet 270 of the outlet 267 of above-mentioned bottom 266 and hose coupling, be provided with and prevent that fertilizer from stopping up the cleaning parts 335 of usefulness.These cleaning parts 335 are formed by the tiny helical spring 336 in line footpath.The size of the internal diameter of the size of the external diameter of this spring 336 and above-mentioned outlet 267 and inlet 270 is close.Simultaneously, remain in engaging on the spring perch 337 of lower end of above-mentioned conveying axis 280, connecting the upper end of the rotary above-mentioned helical spring 336 of its head through torsionspring 338.When carrying out the conveying of fertilizer, this helical spring 336 also rotates integratedly together at rotational conveyance axle 280.Like this, just can prevent adhering to by this helical spring 336 at above-mentioned outlet 267 and inlet 270 apply fertilizer powder etc.

In addition, because there is the space in above-mentioned helical spring 336 on the interior week of its coil, so it can not hinder falling of fertilizer.And because its head is supported in rotary mode, so just be not easy to produce owing to rotate the load that brings on spring 336, the deposit in the porch of the hose coupling 269 of bending just is removed easily.Further, when above-mentioned outlet 278 fell fertilizer, it carries the direction of spiral flow of fertilizer and the rotation direction of spring 336 was same direction, and spring 336 just can not hinder falling of fertilizer like this, thereby can prevent the obstruction of fertilizer, impel fertilizer successfully to be discharged from.

As shown in figure 36, on 3 mounting boss 340 that are darted on the interior week of bottom 266, fixing the spring base 339 of the above-mentioned spring 281 that can freely unload with bolt 341 again.Flowing when not hindering fertilizer from above-mentioned outlet 278 to fall in a spiral manner, with the installation site of this lug boss 340 from symmetrical position toward rotation direction C one side of delivery board 277 certain angle θ that staggers, successfully fall in a spiral manner to impel fertilizer.

As from the above embodiments, knowing clearly, in the present invention: by hose coupling 269 will: supply with fertilizer and carry the watertight aircase 242 of wind, fertilizer sent fertilizer conveying box 238 and provide on the rice transplanter that the parts such as delivery hose 240 of fertilizer couple together for transplanting portion 15, on the rear end of vehicle frame 3, be provided with fertilizer distributor 36; Simultaneously, because being provided with behind flexible delivery hose 240 fertilizer to be discharged to as the side of the hull 34 of fertilising portion and 35, this fertilizer distributor 36 makees fan blower 241 on the ditch device, so can dispose the fertilizer distributor 36 that constant weight is arranged on the rear end of vehicle frame 3, make rice transplanter and fertilizer distributor 36 obtain balance on the weight, should not worry the problem that body overturning forwards, backwards occurs.In addition, effect by the air-supply of fan blower 241, fertilizer can begin successfully to be transported to as the hull 34 of fertilising portion and 35 side to do on the ditch device from fertilizer conveying box 238 in flexible delivery hose 240 always, can not occur the obstruction of fertilizer in the delivery hose 240.

Moreover, to by hose coupling 269: supply with the watertight aircase 242 that fertilizer is carried wind, the fertilizer conveying box 238 that fertilizer is sent, and provide on the rice transplanter that the parts such as delivery hose 240 of fertilizer couple together for transplanting portion 15, because with respect to the interflow portion 334 between the fertilizer inlet 270 of the outlet 267 of fertilizer conveying box 238 and hose coupling 269, the bottom of fertilizer conveying box 238 is for leaking head, fertilizer is fallen in a spiral manner, so effect of the spiral flow when falling by fertilizer, just can impel falling successfully of fertilizer to carry out, and can not occur piling up.Simultaneously, even when the accumulation of fertilizer powder in the outlet 267 of conveying box 238, having occurred,, the fertilizer powder of having piled up is fallen remove, thereby can prevent the obstruction of fertilizer reliably by the effect of this spiral flow.

In addition, because the bottom 266 of the conveying box 238 till from conveying roller 277 to the outlet 267 of carrier pipe 238, its whole periphery has certain above inclined angle alpha, so can prevent to become bulk directly to drop in the outlet 267, thereby can prevent the obstruction of fertilizer reliably from the conveying fertilizer of carrying roller 277.

Further, because interflow portion 334 is arranged on the position of the most close watertight aircase 242, thus just increased the attraction of the conveying wind in the outlet 267 of conveying box 238, thus the good interflow of fertilizer can be impelled.

In addition, inciting somebody to action by hose coupling 269: supply with the watertight aircase 242 that fertilizer is carried wind.The fertilizer conveying box 238 that fertilizer is sent, and provide on the rice transplanter that the parts such as delivery hose 240 of fertilizer couple together for transplanting portion 15, on the interflow 334 between the fertilizer inlet 270 of the outlet 267 of fertilizer conveying box 238 and hose coupling 269, be provided with and preventing that fertilizer from stopping up the cleaning parts 335 of usefulness, simultaneously, because above-mentioned cleaning parts 335 are connected on the roller driving shaft 280 of carrying roller 277, even so at the more fertilizer of conveying powdered thing or under the operating condition of the obstruction that fertilizer takes place under the conditions such as high humility easily, also can in interflow portion 334, occur adhering to of fertilizer powder etc. by the effect and preventing reliably of cleaning parts 335, thereby the gas that can not have the fertilizer that fertilizer stops up is reliably carried operation.

Again, because cleaning parts 335 are formed with the tiny helical spring 336 in line footpath, so when can preventing the blockage problem of the fertilizer in the interflow portion 334 well, owing to have the space on the coil inboard, can also eliminate the problem of the obstruction of 335 pairs of fertilizer discharges of these cleaning parts, thereby can impel fertilizer to collaborate smoothly.

Claims (6)

1. rice transplanter, it provides watertight aircase that fertilizer carries wind, sends the fertilizer conveying box of fertilizer and provide the parts such as delivery hose of fertilizer to be connected by hose coupling to transplanting portion, and it is characterized by: the rear end of vehicle frame is provided with fertilizer distributor; Simultaneously, after being equipped with on the fertilizer distributor by flexible delivery hose to making the fan blower that the ditch device is discharged fertilizer as the seedling road side of the hull of fertilising portion.

2. rice transplanter as claimed in claim 1 is characterized by: with respect to the interflow portion between the fertilizer inlet of the outlet of fertilizer conveying box and hose coupling, funnel-form is formed on the bottom of fertilizer conveying box; And fertilizer is fallen in the mode of spiral flow.

3. one kind as the described rice transplanter of claim 1, it is characterized by: in the full week from the bottom sidewall of carrying the conveying box of roller till the outlet of conveying box, be designed to have the above inclination angle of certain value.

4. one kind as the described rice transplanter of claim 1, it is characterized by: interflow portion is arranged on the position of the most close watertight aircase.

5. rice transplanter as claimed in claim 1, it is characterized by: in the interflow portion between the fertilizer inlet of the outlet of fertilizer conveying box and hose coupling, be provided with and prevent that fertilizer from stopping up the cleaning parts of usefulness, simultaneously, these cleaning parts are connected on the roller driving shaft of carrying roller.

6. one kind as the described rice transplanter of claim 3, it is characterized by: the cleaning parts are formed with the tiny helical spring in line footpath.

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