CN101779541A - Supply device of material for agriculture and supply device of powder - Google Patents

Abstract

The invention relates to a supply device of material for agriculture, which will not result in large-scale of drive member by simple improvement to the drive member and capable of enlarging the send-out regulating range. The supply device of material for agriculture has a fertilizer send-out part for supplying the stored fertilizer from the send-out box to a specified position, and a drive member for driving the fertilizer send-out part, configured in order to set up the size of the fertilizer supply of the fertilizer send-out part based on the drive stroke size of the output part of the drive member. The output part of the drive member is connected to the fertilizer send-out part. So that the output part of the drive member is connected to the fertilizer send-out part, a swing fulcrum is provided between the input part and output part of the drive member, to drive the drive member to swing in order that the position of the swing fulcrum changes along the length direction of the drive member, and a swing fulcrum position changing unit is provided.

Description

Material for agriculture feedway and powder supply device

Technical field

The present invention relates to and suitably to supply with the fertilizer apparatus of usefulness and the direct material for agriculture feedway of the seeding apparatus used as the seed of material for agriculture of sowing etc. in the place as the fertilizer of material for agriculture or medicament to field etc.

In addition, the present invention relates to the improvement of powder supply device, this powder supply device has by eolian transportation to be carried the feed path that is handled upside down thing that is made of the powder body and separates with feed path, carries the discharge path that is handled upside down thing by eolian transportation, and can take out the residual powder body in the portion of stockpiling of powder body by wind-force.

Background technology

As this material for agriculture feedway the fertilizer apparatus that is loaded on the rice transplanter is arranged.This fertilizer apparatus adopts by connecting rod connecting crank actuating arm with as the structure of the motion arm of drive member, wherein, described crank actuating arm is arranged on the rear end of the PTO axle that rearward extends from gearbox, and described motion arm is used for the delivering mechanism that is used for constantly sending fertilizer that is loaded in the body side is driven.

Thus, adopted by connecting rod and driven the motion arm swing, and driven the structure that delivering mechanism is sent fertilizer.

And, for the link position that makes motion arm and connecting rod can change along the length direction of motion arm, be formed with the recess of location, many places usefulness at the lower surface of motion arm, by changing link position, change the driving stroke of motion arm, thereby change, regulate sendout.

In addition, as above-mentioned powder supply device, separate and the powder supply device of the discharge path by eolian transportation in addition device of record in known in the past following [1] with feed path as having.

[1] powder supply device has to carry by what the powder body constituted by eolian transportation and is handled upside down separating as the ajutage of feed path with feed path and carrying the recovery tube as discharge path that is handled upside down thing that is made of the powder body by eolian transportation in addition of thing, the air supply direction of blowing fan is switched to a side in ajutage side and the recovery tube side, supply with to feed path thereby can select to be handled upside down thing, perhaps will be handled upside down thing and take out (for example with reference to patent documentation 2) from discharge path.

[prior art document]

Patent documentation

Patent documentation 1:JP spy opens the 2007-267615 communique;

Patent documentation 2:JP spy opens 2008-29214 communique (" 0008 " section, accompanying drawing 5,6).

According to the structure of above-mentioned fertilizer apparatus, can carry out the change of sendout and regulate, but will need make motion arm elongated with adjustable range under the further condition of enlarged apart from the length of swing fulcrum.

But, elongated for the length that makes motion arm, need to improve component strength and motion arm is maximized, need use the expensive material of high-quality amount as motion arm, the length of lengthening motion arm also is limited.

On the other hand, in order to become the structure of the driving journey variable that makes the crank mechanism that is installed on the PTO axle,, be difficult to carry out variable adjustment operation, and be difficult to adopt the variable adjustmentization of crank mechanism for example because crank mechanism is positioned at the reasons such as below of body rack.

Summary of the invention

The object of the present invention is to provide by support form and simply improve, can not cause the maximization of drive member and can realize that the adjustable range of sendout becomes big material for agriculture feedway drive member.

In addition, as the prior art of record in above-mentioned [1], when the air supply direction with blowing fan switches to the side in ajutage side and the recovery tube side and can select to be handled upside down thing and supply with to feed path, perhaps will be handled upside down thing when discharge path takes out, the thing this point that is handled upside down that can utilize wind-force to discharge simply to remain in the portion of stockpiling is useful.

But the thing that is handled upside down that remains in the portion of stockpiling becomes the shot-like particle of being not only prescribed level, has also mixed the state at the medium Powdered thing of being pulverized carefully of carrying.Therefore, make by eolian transportation take out be handled upside down thing and collect in certain container the time, often be handled upside down thin Powdered thing in the thing and fly up and operating environment is worsened.

Other purpose of the present invention is supplying with by eolian transportation in the powder supply device of the structure that is handled upside down thing, also the wind that can utilize eolian transportation to use takes out residual powder body, avoid carrying wind and make the pulverous object being treated that contains in the residual powder body such state of affairs that flies up, thereby can avoid operating environment to worsen.

[structure]

The feature formation of the invention of technical scheme 1 is, have from stockpiling portion to the material for agriculture feedway of the feed mechanism of the material for agriculture that the assigned position supply is stockpiled, be provided with the drive member that drives described feed mechanism, and constitute the size of setting the material for agriculture quantity delivered of described feed mechanism according to the size of the driving stroke of the efferent of described drive member, and the efferent of described drive member is connected with described feed mechanism, between the input part of described drive member and described efferent, the swing fulcrum is set, and be provided with swing position of the fulcrum change unit so that change along the length direction of described drive member the position of described swing fulcrum drives described drive member and swing, its action effect is as follows.

[effect]

When changing the swing position of the fulcrum of drive member by swing position of the fulcrum change unit, the input side length of connecting rod from input part to the swing fulcrum in the drive member changes with the ratio from the swing fulcrum to the outlet side length of connecting rod of efferent.Thus, the driving stroke of efferent changes with the ratio of the stroke of input part.

And, by change swing position of the fulcrum, not only the input side length of connecting rod changes, and the outlet side length of connecting rod also changes, thus, compare with the situation of the length that as putting down in writing in the background technology, only makes swing arm (corresponding input side length of connecting rod) change, can make the expanded range of connecting rod ratio, thereby can enlarge the adjustable range of the driving stroke of drive member efferent.

[effect]

Like this, avoid the maximization of drive member itself and need not change length, can enlarge the adjustable range of the driving stroke of drive member, be easy to carry out requirement material for agriculture send adjusting.

[formation]

The feature formation of the invention of technical scheme 2 is that described swing position of the fulcrum change unit constitutes the position that to the utmost point approaching described efferent is moved in the position that can make described swing fulcrum.

[action effect]

Because the swing position of the fulcrum of drive member is positioned at extremely on the position near efferent, so the length of connecting rod from the swing fulcrum to efferent becomes extremely short, the driving stroke of efferent is approximately zero.

Thus, can not interrupt to the transmission of power of input part and show the state that does not in fact drive delivering mechanism, can improve the applicability of delivering mechanism.

[formation]

The feature formation of the invention of technical scheme 3 is, described swing position of the fulcrum change unit includes position mobile member that moves and the adjusting operating parts that drives this mobile member that makes described swing fulcrum, described adjusting operating parts constitutes to disconnect with being connected of described mobile member and pulls down, and perhaps can fold and take in.

[action effect]

The adjusting operating parts that the swing position of the fulcrum of drive member is operated can be pulled down or fold because the material for agriculture feedway constitutes, so when sending material for agriculture and carry out operation, by pulling down the adjusting operating parts, it regulates operating parts can not hinder operation, and the property handled is good.

In addition, in order to achieve the above object, powder supply device of the present invention adopts following technological means.

[first solution]

Powder supply device of the present invention constitutes and the thing that is handled upside down that is made of the powder body can be sent respectively to feed path and discharge path, this feed path is to carry the path that is handled upside down thing that is made of the powder body by eolian transportation, this discharge path is the path different with feed path, carries by what the powder body constituted by eolian transportation and is handled upside down thing; And have and to carry wind and to be handled upside down the separative element that thing separates in described discharge path side.

[effect and the effect of the invention of first solution]

As mentioned above, have by eolian transportation carry the feed path that is handled upside down thing that forms by the powder body and be different paths with feed path, carry the discharge path that is handled upside down thing by eolian transportation, the carrying wind energy of utilizing eolian transportation to use is discharged in the powder supply device that is handled upside down thing that remains in the portion of stockpiling enough simply, because have the carrying of separation wind and be handled upside down the separative element of thing, so can take out carrying wind respectively and be handled upside down thing in described discharge path side.

Thereby, eolian transportation on one side is handled upside down thing it is discharged, make on one side and be handled upside down thing through separative element, can be handled upside down thing and sneak into to take out respectively in the gaseous fluid that carrying transports the wind and be handled upside down thing and carrying wind from making thus, can not cause the powdered substance that is handled upside down in the thing owing to carrying wind such state of affairs that flies up, have and be easy to the advantage of avoiding operating environment to worsen.

[second solution]

The invention of second solution is characterised in that, in above-mentioned powder supply device, constitutes separative element by the member with size ventilation hole littler than the particle diameter that is handled upside down thing.

[effect and the effect of the invention of second solution]

In the invention of second solution, because constitute separative element by having the member of size less than the ventilation hole of the particle diameter that is handled upside down thing, so, for example constitute by cyclone separator centrifuge mechanism such as (cyclone) with this separative element, perhaps compare, can constitute separative element by simple structure with the situation that complexity such as a plurality of conflict plates offset and large-scale structure constitute.

[the 3rd solution]

The invention of the 3rd solution is characterised in that in above-mentioned powder supply device, the carrying direction terminal part that constitutes the discharge pipe of discharge path can partly load and unload or carry out the position change with respect to the discharge pipe of carrying direction upstream side.

[effect and the effect of the invention of the 3rd solution]

Solve in the invention of unit the 3rd, can partly load and unload with respect to the discharge pipe of carrying direction upstream side or carry out the position change because constitute the carrying direction terminal part of the discharge pipe of discharge path, be chosen as suitable state so can make the operation when not carrying out discharging the residual common operation that is handled upside down thing and discharge residual operability when being handled upside down thing etc.

Promptly, if the carrying direction terminal part of discharge pipe constitutes and can load and unload, then can suppress discharge pipe to the outstanding degree of carrying direction end side, under the state that does not use discharge pipe, promptly use thus frequency high common to feed path supply be handled upside down thing be handled upside down the thing supply condition, the carrying direction terminal part of described discharge pipe can be pulled down, not hinder at its carrying direction terminal part under the state of operation and carry out operation.

In addition, if constituting, the carrying direction terminal part of discharge pipe can carry out the position change, then discharging residually when being handled upside down thing from discharge pipe, can be on the basis of carrying out operation the terminal part of its discharge pipe be being changed to position preferably, can operation discharge operation well.

[the 4th solution]

In it is characterized in that of the 4th solution invention, in above-mentioned powder supply device, having air-supply gives the row unit and is handled upside down thing interflow switch element, this air-supply is used for carrying wind is supplied with or discharged to discharge path for the row unit, this is handled upside down thing interflow usefulness switch element in the many places of described discharge path, is arranged on to make to be handled upside down each upstream side position that thing collaborates the usefulness path, interflow in carrying wind; Described air-supply is given the operating portion of row unit and describedly is handled upside down the thing interflow is arranged on described discharge path with the operating portion of switch element carrying terminal part side.

[the 4th solution]

[effect and the effect of the invention of the 4th solution]

In the 4th invention that solves the unit, because the air-supply that carrying wind was supplied with or discharged to discharge path is given the row unit and is arranged on be handled upside down the carrying terminal part side that thing collaborate with each operating portion of switch element be arranged on discharge path of interflow with the upstream side position in path, so when giving the row unit or be handled upside down the thing interflow when operating to described air-supply with switch element, the operator does not need to give the row unit or respectively be handled upside down the thing interflow with operating near the switch element near air-supply, can operate with the state of the carrying terminal part side that is positioned at discharge path.Thereby, give the row unit and be handled upside down the thing interflow in described air-supply to be arranged on switch element on the running vehicle body under the situation such as operate from a horizontal side of car body, have the advantage that operability is used well.

[the 5th solution]

In it is characterized in that of the 5th solution invention, in the discharge pipe that constitutes discharge path, upstream side on the air supply direction of separative element, and in discharge pipe with respect to the downstream of carrying wind be handled upside down place, thing interflow more be provided with the stream switch element by the carrying downstream, carry out handover operation between the mobile state in state that this stream switch element can flow in the carrying wind direction downstream in allowing discharge pipe and the carrying wind direction downstream in the restriction discharge pipe.

[effect and the effect of the invention of the 5th solution]

In the invention of the 5th solution, because in the discharge pipe with respect to the downstream of carrying wind be handled upside down place, thing interflow more have the stream switch element by carrying the downstream, so, can use the stream switch element to select to take out and residually be handled upside down the operation of thing and its dry operation is cleaned and made in the portion of stockpiling that is handled upside down thing as operation to discharge pipe air-supply.

That is, residue in residual in the portion of stockpiling when being handled upside down the operation of thing taking out, make the stream switch element be in the eolian transportation of stream open state and be handled upside down thing, can be handled upside down thing from terminal taking-up of discharge pipe without barrier thus.Therefore, clean when stockpiling portion and making the portion that stockpiles dry, make described stream switch element be in the stream closed state at water, can from the discharge pipe that is positioned at the sealing upstream side to the portion of stockpiling respectively send into carrying wind and forcibly drying respectively stockpile portion.Thus, has following advantage: can avoid discharge pipe and respectively stockpile partly to separate washing and make its dry such time and the operation of time.

[the 6th solution]

Be characterised in that for the 6th solution invention in above-mentioned powder supply device, the stream switch element is by constituting approximately perpendicular to the carrying direction that is handled upside down thing and around the rotary valve of horizontal axis rotation.

[effect and the effect of the invention of the 6th solution]

In the invention of the 6th solution, because the stream switch element is by approximately perpendicular to the carrying direction that is handled upside down thing, and the rotary valve around the horizontal axis rotation constitutes, so for example with in order to switch the stream employing other stream is set, the isostructural situation of vertically stream laterally being cut off of flashboard (shutter) perhaps is set to be compared, it is simple to have stream switch element overall structure, and the also simple advantage of seal.

In addition, because the axle center of rotary valve is a horizontal axis, so can make the axle center of rotary valve be configured to state away from the inner bottom surface side of the discharge pipe that laterally sets.Thereby, in discharge pipe, flowed along the inner bottom surface of discharge pipe by the shot-like particle heavier in the thing that is handled upside down of eolian transportation, can avoid the axial region of rotary valve to become the flow resistance of heavier shot-like particle in this case, acquisition can be easy to keep the powder supply device of good carrying state.

[the 7th solution]

The invention of the 7th solution is characterised in that, in above-mentioned powder supply device, the carrying top portion that is provided with discharge pipe supplies with or discharges the air-supply of carrying wind to the row unit, and the many places in discharge pipe, be handled upside down thing and collaborate in the interflow of carrying in the wind to be provided with and be handled upside down thing and collaborate to use switch element making with each upstream side position in path, can operate above-mentioned air-supply together gives the row unit and is handled upside down thing interflow switch element, the feasible stream " locked in " operation that is accompanied by the stream switch element in carrying downstream is operated described air-supply and is collaborated to switch to the state that can blow together with switch element in discharge pipe to arranging the unit and being handled upside down thing.

[effect and the effect of the invention of the 7th solution]

The invention of the 7th solution, because can operate air-supply together gives the row unit and is handled upside down thing interflow switch element, the feasible stream " locked in " operation that is accompanied by the stream switch element, operate described air-supply and switch to the state that in discharge pipe, to blow together with switch element to arranging the unit and being handled upside down the thing interflow, operate individually respectively with switch element so need not give the row unit and be handled upside down the thing interflow the air-supply that is separately positioned on diverse location, and can simultaneously operating.And, because stream " locked in " operation along with the stream switch element, operating described air-supply makes them all switch to the state that can blow to arranging the unit and being handled upside down the thing interflow in discharge pipe with switch element, so when after cleaning, the portion of stockpiling being carried out drying, if operations flows way switch unit seals stream, then maloperation not being blown to the row unit and is handled upside down the thing interflow switches to the side of can blowing with switch element with them, thereby can be in the state of supplying with dry wind of keeping.

Description of drawings

Fig. 1 is the unitary side view of the riding type rice transplanter of the fertile device of band application.

Fig. 2 is the whole vertical view of the riding type rice transplanter of the fertile device of band application.

Fig. 3 is the rearview of expression fertilizer apparatus.

To be expression supply with the end view of the swing position of the fulcrum change unit of the power supply structure of power and drive member to the fertilizer unloading part to Fig. 4.

Fig. 5 is the end view of the swing position of the fulcrum change unit of expression drive member.

Fig. 6 is the front view of the syndeton of expression drive member and head rod.

Fig. 7 is the front view that the part of the syndeton of expression drive member and head rod is dissectd.

Fig. 8 is the vertical profile end view of sending axle, outlet roller, middle shaft sleeve part, key member etc. of representing to send up and down case and being provided with at the flange engages position of sending case up and down.

Fig. 9 is a vertical profile front view of sending axle, outlet roller, middle shaft sleeve part, key member etc. of representing that the flange engages position sending case up and down and send case up and down is provided with.

Figure 10 A is the end view that expression will be sent the state that case combines up and down, and Figure 10 B is the end view that expression will be sent the state that case separates down.

Figure 11 is the vertical view of sending the vertical profile end view of case in the expression and sending case down.

Figure 12 be another embodiment of expression supply with the rearview of the swing position of the fulcrum change unit of the power supply structure of power and drive member to the fertilizer unloading part.

Figure 13 be another embodiment of expression supply with the end view of the swing position of the fulcrum change unit of the power supply structure of power and drive member to the fertilizer unloading part.

Figure 14 is the amplification vertical profile rearview of the swing position of the fulcrum change unit among Figure 13.

Figure 15 is the unitary side view that the riding type rice transplanter of powder supply device of the present invention is used in expression.

Figure 16 is the whole vertical view that the riding type rice transplanter of powder supply device of the present invention is used in expression.

Figure 17 is the front view of expression powder supply device.

Figure 18 is the vertical view of expression powder supply device.

Figure 19 is that the expression powder supply device is at the cutaway view on the above-below direction of body fore-and-aft direction.

Figure 20 is that the expression powder supply device is at the cutaway view on the above-below direction of body fore-and-aft direction.

Figure 21 is the cutaway view on the horizontal direction of posture changing mechanism part of expression powder supply device.

Figure 22 is the left view of powder supply device.

Figure 23 is the left view of powder supply device.

Figure 24 be the expression blow the carrying unit vertical view.

Figure 25 represent to blow front view of discharge pipe side of carrying unit.

Figure 26 A, Figure 26 B be the expression discharge pipe above-below direction on cutaway view.

Figure 27 A, Figure 27 B be the expression blow the carrying unit branched pipe near horizontal direction on cutaway view.

Figure 28 A～Figure 28 C shows branched pipe, and Figure 28 A is a vertical view, and Figure 28 B is a front view, and Figure 28 C is an end view.

Figure 29 A～Figure 29 C shows the short tube of carrying pipe, and Figure 29 A is a rearview, and Figure 29 B is a vertical view, and Figure 29 C is the c-c cutaway view among Figure 29 A.

Figure 30 A, Figure 30 B show the connector of carrying pipe, and Figure 30 A is an end view, and Figure 30 B is a front view.

Figure 31 A～Figure 31 C shows the wind-guiding ways, and Figure 31 A is a cutaway view, and Figure 31 B is a rearview, and Figure 31 C is an end view.

Figure 32 A, Figure 32 B show the connector of carrying pipe, and Figure 32 A is local cut cutaway view, and Figure 32 B is the local cut cutaway view of expression assembled state.

Figure 33 is the XIX-XIX cutaway view among Figure 32 B of assembled state of connector of expression carrying pipe.

Figure 34 A, Figure 34 B show fertiliser bucket, and Figure 34 A is the cutaway view on the above-below direction of body left and right directions, and Figure 34 B is a vertical view.

Figure 35 is the cutaway view on the above-below direction of body left and right directions of expression fertiliser bucket.

Figure 36 is the end view of the bindiny mechanism of expression fertiliser bucket.

Figure 37 is the exploded perspective view of expression bindiny mechanism.

Figure 38 is the cutaway view on the above-below direction of fertilising place of expression seedling growing device.

Figure 39 is the XXV-XXV cutaway view among Figure 38.

Figure 40 is the schematic diagram of expression transmission system.

Figure 41 A, Figure 41 B show other embodiments of fertiliser bucket, and Figure 41 A is the cutaway view on the above-below direction of body left and right directions, and Figure 41 B is a vertical view.

Figure 42 is the cutaway view on the above-below direction of other embodiments of expression discharge pipe.

Embodiment

[first embodiment]

Describe based on the example of accompanying drawing below embodiments of the present invention.

As shown in Figure 1, have can free steering operation pair of right and left front-wheel 11 and the toe lateral of the vehicle body hanger 10 of the body 1 that travels of pair of right and left trailing wheel 12 have engine 13 and gearbox 14, be provided with the manoeuvre portion 15 of having assembled steering handle etc. and drive seat 16 at the central portion of the body 1 that travels, dispose fertilizer apparatus 2 at the travel rear portion of vehicle body hanger 10 of body 1 of formation, this fertilizer apparatus 2 is examples supplying with as the feedway of the fertilizer of material for agriculture.

Between the left and right sides and manoeuvre portion 15 and driving seat 16 of engine 13, and be provided with Drive Section pedal 17 in the left and right sides of driving seat 16, this Drive Section pedal 17 has the pedal part of general planar, the outside more outer than this Drive Section pedal 17 is equipped with preparation seedling carrying base 18 in the equipping position position, the left and right sides in opposite directions with engine 13.

Be constructed as follows such riding type rice transplanter, promptly, connecting linkage 19 with lift cylinder 19a at the rear of the body 1 that travels, linkage 19 is operated and can be made its free lifting, seedling growing device 4 is installed on linkage 19, and is mounted with fertilizer apparatus 2 at the rear of the body 1 that travels.

[fertilizer apparatus]

Fertilizer apparatus 2 has sending case 20 and being configured in 4 fertilizer unloading parts 21 as feed mechanism sending case 20 downsides of the transparent resin system that stockpiles fertilizer, shown in Fig. 1,3,4, above-mentioned case 20 and the fertilizer unloading part 21 sent is at the rear portion of travelling body 1, near the rear side of driving seat 16, the carriage 22 that is set at vehicle body hanger 10 tops is supporting.Carry path by the air quantity that the unit that blows produces by fertilizer from the fertilizer utilization that fertilizer unloading part 21 is sent, be supplied to the field by the ditch device 45 of doing that is installed in seedling growing device 4 sides as supply unit.

Carriage 22 comprises the pair of right and left fan blower gripper shoe 22a that erects on the pair of right and left main support 10A be arranged on vehicle body hanger 10, erect the pillar 22b that is arranged on fan blower gripper shoe 22a upside and the frame support 22c that grows crosswise in the upper end side of left and right sidesing pillar 22b.One distolateral connection of the rear end side of fan blower gripper shoe 22a and linkage 19, this linkage 19 is used to install seedling growing device 4 and makes seedling growing device 4 free liftings.

As Fig. 8 and shown in Figure 9, for fertilizer unloading part 21, will periphery upper edge circumferencial direction be formed with outlet roller 23 that a plurality of fertilizer enter the recess 23a of usefulness be configured in the fertilizer of sending case 20 send mouthful 20C below and be positioned at pars infundibularis 20D above, and this outlet roller 23 can rotate.

In addition, the Reference numeral 23b among the figure is the brush that plays the strickling effect with the side face sliding-contact of outlet roller 23.

Thus, fertilizer from the recess 23a that sends case 20 and enter outlet roller 23, the rotation of the discontinuity by sending axle 26, fertilizer is sent to pars infundibularis 20D.Then, high-pressure blast from the electric blower 30 of the unit that blows described later is supplied to pars infundibularis 20D via ajutage device 31, utilize high-pressure blast that fertilizer is supplied to rapidly by fertilizer carrying pipe 46 and make ditch device 45, fertilizer is sent to the operation of applying fertilizer in the ditch that is formed on the face of field by making ditch device 45.

As shown in Figure 8, in sending the fertilizer outlet 25 of the front side that is formed on fertilizer unloading part 21 of mouthful 20C, the fertilizer of sending case 20 is supported with switch boards 28, be extended with drain hose 29 downwards from the downside of switch boards 28, can operate this switch boards 28 and make it center on the transverse axis heart to freely swing.When carrying out the rice transplanting operation usually, operation switch boards 28 is the closed posture shown in the solid line among Fig. 8, sends to pars infundibularis 20D from the fertilizer of sending case 20.Usually finish under the situations such as rice transplanting operation, make (specifically the driving of electric blower 30 and seedling growing device 4, driving to PTO axle 57) stops, when operation switch boards 28 under this state is when opening posture, remains in the fertilizer of sending in the case 20 and enter drain hose 29 and discharge.

[unit blows]

The fertilizer sent from fertilizer apparatus 2 is constituted like that to the unit that blows of seedling growing device 4 sides carrying is following.

As shown in figures 1 and 3, the unit that blows has: electric blower 30, and it is supported by pair of right and left fan blower gripper shoe 22a, and 30A drives by electro-motor; Ajutage device 31, it imports extraneous gas to electric blower 30, makes the carrying wind flow.And, ajutage device 31 comprises the air feed part 33 of suction unit 32 and tubulose, wherein, described suction unit 32 is used for the extraneous gas importing is supplied to electric blower 30, described air feed part 33 is connected with the outlet side of electric blower 30, is used for the wind that electric blower 30 produces is supplied to each pars infundibularis 20D.

As shown in Figures 2 and 3, the base end side of suction unit 32 is connected with the cross-car air entry outwardly of electric blower 30, in front, suction unit 32 so that air entry 32a be positioned near the horizontal sidepiece that the state of the rear position of silencer 9 is provided in engine 13, to attract the hot gas around the engine 13 and the heat extraction of silencer 9.

The air feed part 33 that is connected with the exhaust side of electric blower 30 comprises two forked branch's tube connectors 34 of the left and right sides, downstream branch and is connected on the end of this branch's tube connector 34 and is configured in horizontal ajutage 35 on the cross-car, be provided with a plurality of branches bleed pipe 36 of drawing in the horizontal many places of the length direction of ajutage 35, these a plurality of branches bleed pipe 36 of drawing is used for supplying with position to each fertilizer of seedling growing device 4 described later and sends fertilizer.

[seedling growing device]

As shown in Figure 1 and Figure 4, seedling growing device 4 constitutes 6 structures of planting, and includes 3 and plants transmission case 40, is supported on the left and right sides of planting transmission case 40 and is driven and the rotary box 41 that can rotate freely, a pair of 42,3 the ground connection hulls 43 of pawl and the seedling carrying base 44 etc. of planting at two ends that are provided in rotary box 41.

The fertilizer feed path from fertilizer apparatus 2 to seedling growing device 4 until the end of seedling growing device 4 respectively be installed in ground connection hull 43 on a plurality of ditch devices 45 of doing be connected, these are a plurality of makes ditch device 45 respectively to have one mode to be configured near the horizontal side of the seedling growing position of each seedling growing pawl 42.

Specifically, on drawing bleed pipe 36, a plurality of branches of the unit that blows are connected with the fertilizer carrying pipe 46 that ditch device 45 is connected of doing with seedling growing device 4 sides respectively.

The cutting structure of sending case 20 is described.Shown in Figure 10 A, Figure 10 B, sending that case 20 constitutes can be benchmark with the axis Z that sends axle 26, makes to send case 20A and send case 20B down and separate.The structure that case 20A, 20B are sent in assembling up and down forms following such.

That is,, be formed with tetragonal flange part 20a, be provided with tabular bracket part 20b at the two ends of flange part 20a across a long leg sending axle 26 axis Z at the last lower end position of sending case 20A as Figure 10 A, Figure 10 B and shown in Figure 11.Bracket part 20b forms the shape of downward bending, and is provided with the connecting hole 20c of hollow form.State with the connecting hole 20c that surrounds hollow form forms frame bracket, is formed with the lower end that card only loads snap-latch piece 20f described later in the bottom of frame bracket and bears holder part 20d.

On the other hand,, be formed with tetragonal flange part 20e, outstandingly at the two ends of flange part 20e be provided with tabular snap-latch piece 20f across a long leg sending axle 26 axis Z at the upper end position of sending case 20B down as Figure 10 A, Figure 10 B and shown in Figure 11.Lower surface at snap-latch piece 20f is formed with to the recessed loading surface 20g that is recessed on, and has given the stable mechanism of fastening state when snap-latch piece 20f is loaded in the lower end and bears on the holder part 20d.

In addition, the lock piece 20E that keeps the closure state of sending case 20A, 20B up and down is installed in down on the pars infundibularis 20D that sends case 20B, and can freely swing.Lock piece 20E make lock fastener 20h with on send case 20A flange part 20a engage and keep lockup state.

According to above-mentioned structure, when case 20A, 20B are sent in assembling up and down, shown in Figure 10 B, in the connecting hole 20c that makes down the bracket part 20b that sends case 20A in the snap-latch piece 20f insertion of sending case 20B, snap-latch piece 20f is engaged with flange part 20d, shown in Figure 10 A, send case 20B flange part 20a, 20e overlapped by lifting down, can with under send case 20B and be assembled in and send on the case 20A.

In the past, sent case 20A, 20B up and down in order to connect on one side, for maintenance make down send case 20B downwards move open on one side, at the swing position of the fulcrum of sending case 20B down connecting pin is set.

Under the situation that adopts such structure,,, need pull down connecting pin when sending case 20A and send case 20B under pulling down if will obtain the durability of connecting pin.

With respect to this, as mentioned above, by making up the snap-in structure of bracket part 20b and snap-latch piece 20f, need not to use the damaged parts that are easy to as the connecting pin, when sending case 20A and send case 20B under pulling down, as long as extract snap-latch piece 20f out from bracket part 20b, thereby be easy to carry out charge and discharge operations.

Then, to about the driving choice structure of a pair of outlet roller 23 of assembling describe.As Fig. 4 and shown in Figure 6, in fertilizer unloading part 21, make the send axle 26 parallel connect the bottom assigned position that is supported on the pars infundibularis 20D that sends case 20 with the driving shaft 55 of accepting transmission of power from PTO axle 57.

As Fig. 6 and shown in Figure 9, send the axle shape 26C of portion that axle 26 comprises that formation is accepted the large diameter driven gear 26A of portion of the gear mechanism of transmission of power, the tubular maintaining part 26B that links to each other with the 26A of driven gear portion and grown from driving shaft 55.In the inner space of tubular maintaining part 26B, the axle shape 26C of portion porose portion is set from the 26A of driven gear portion, hole portion comprises the 26a of large diameter hole portion that is formed on the 26A of driven gear portion, be arranged on the middle diametric hole 26b of portion on the tubular maintaining part 26B and be arranged on the 26c of small diameter bore portion on the 26C of shape portion.

Be formed with in end and be used to screw in the fixedly threaded hole 26d of trip bolt 27 with the 26A of driven gear portion opposition side.

This hole portion constitutes for the key member 74 that transmission of power uses insert to be installed therein.

Then, to assembling outlet roller 23, outer embedding is installed in the jackshaft body of sending on the axle 26 75 and describes.As shown in Figure 9, jackshaft body 75 is pair of right and left of homomorphosis, is set to relative status.Jackshaft body 75 includes 75A of large diameter tubular portion and minor diameter cylindrical portion 75B, is formed with continuously to be used for embedded maintenance and to send the major diameter retaining hole 75a of axle 26 tubular maintaining part 26B and be used for the minor diameter retaining hole 75b that the axle shape 26C of portion of axle 26 is sent in embedded maintenance on the jackshaft body 75 that is positioned at driven gear portion side.On the jackshaft body 75 of the end of the opposition side that is positioned at driven gear portion side, be formed with and be used for the minor diameter retaining hole 75b that the axle shape 26C of portion of axle 26 is sent in embedded maintenance.

A pair of jackshaft body 75 is supported on the shaft sleeve part 20F of two ends, the left and right sides formation of sending case 20A, 20B up and down, and a pair of jackshaft body 75 is equipped with seal 20G on than position in the inner part, Support Position.

And, be formed with the keyway 75c that only enters certain-length from opposed end inwards respectively at the inner peripheral surface of the minor diameter retaining hole 75b of the opposed end of a pair of jackshaft body 75.In addition, be provided with spring ball (spring ball) 75d of mechanism of location usefulness at the inner peripheral surface of the minor diameter retaining hole 75b of the jackshaft body 75 that is positioned at driven gear portion side.

Key member 74 is described.As shown in Figure 9, key member 74 is long rod member, is provided with the 74A of handle portion, the bar-shaped support portion 74B that is positioned at the front of the 74A of handle portion, the location division 74C of semicircle arcuation of more front that is positioned at support portion 74B and the holding section 74D that the front end that is positioned at location division 74C snaps in keyway 75c of the big diameter disc shape that is positioned at nearly hand side.Between 74A of handle portion and support portion 74B, axis direction is provided with display part 74a, 74b, the 74c of location, 3 places usefulness.To should display part 74a, 74b, 74c, on the face down of location division 74C, axis direction is provided with 3 connecting hole 74d, 74e, 74f, this connecting hole 74d, 74e, 74f engage and constitute for the ball with the spring ball 75d of mechanism.

Be embedded with the minor diameter cylindrical portion 75B of jackshaft body 75 in hole 23A respectively in the support that forms the above outlet roller 23 of structure like that, assemble outlet roller 23 respectively outlet roller 23 and jackshaft body 75 can one be rotated.The 75A of the large diameter tubular portion insertion of jackshaft body 75 is loaded among the shaft sleeve part 20F that sends case 20 that adopts the structure that is divided into two up and down as described later.Key member 74 is inserted in the major diameter retaining hole 75a and minor diameter retaining hole 75b of a pair of jackshaft body 75.Under the state that has inserted key member 74, holding section 74D engages with the keyway 75c of jackshaft body 75, location division 74C be decided to be can with position that the spring ball 75d of mechanism engages on.

On jackshaft body 75, in assigned position, adorning under the state of sending axle 26, at the opening portion with the 75A of the large diameter tubular portion opposite side of driven gear side of sending axle 26 jackshaft body 75 plug member 76 is installed, with trip bolt 27 plug member 76 is tightened together with sending axle 26, break away from jackshaft body 75 and will send axle 26 and be fixed on the jackshaft body 75 thereby can forbid sending axle 26.

Method of operating to key member 74 describes.As shown in Figure 9, send under case 20 internal states being installed in, a pair of jackshaft body 75 is configured to be formed with the end state respect to one another of keyway 75c, partly engages the holding section 74D of key member 74 at its keyway 75c.

Therefore, make and be arranged on apart from the display part 74c alignment of the 74A of handle portion highest distance position and the corresponding position, end of the 26A of driven gear portion, holding section 74D is only engaged with the keyway 75c of the jackshaft body 75 of driven gear side, in this case, be passed to via the 26A of driven gear portion and send axle 26 power and only be passed to the outlet roller 23 that is positioned at the driven gear side via the jackshaft body 75 of key member 74, driven gear side.In this case, connecting hole 74f engages with the ball of the spring ball 75d of mechanism, keeps the location of key member 74.

The 74A of handle portion that is holding key member 74 is pressed into one section, as shown in Figure 9, make the corresponding position, end of display part 74 alignment and the 26A of driven gear portion in the middle of being positioned at, holding section 74D is engaged with the keyway 75c of two jackshaft bodies 75, in this case, be passed to the power of sending axle 26 via the 26A of driven gear portion and be passed to two outlet rollers 23 via key member 74, two jackshaft bodies 75.In this case, connecting hole 74e engages with the ball of the spring ball 75d of mechanism, keeps the location of key member 74.

The 74A of handle portion that is holding key member 74 is pressed into one section again, make and be arranged on apart from the display part 74a alignment of the 74A of handle portion proximal most position and the corresponding position, end of the 26A of driven gear portion, holding section 74D is only engaged with the keyway 75c of the jackshaft body 75 of the opposition side that is positioned at the 26A of driven gear portion, in this case, be passed to via the 26A of driven gear portion and send axle 26 power is passed to the opposition side that is positioned at the 26A of driven gear portion via key member 74, the jackshaft body 75 that is positioned at the opposition side of the 26A of driven gear portion outlet roller 23.In this case, connecting hole 74d engages with the ball of the spring ball 75d of mechanism, keeps the location of key member 74.

As described above, can withdraw from or enter the formation switching mechanism with respect to jackshaft body 75 by making key member 74, this switching mechanism can limit the state of sending fertilizer in the fertilising fields and drive two outlet rollers 23 and enlarge the fertilising fields and send the state of fertilizer and switch only driving an outlet roller 23.

In the past, adopt following structure in order to regulate sendout, that is, the flashboard that banded each fertilizer of covering enters the recess 23a of usefulness is set, fertilizer is entered a part or the anterior input that stops fertilizer of sealing of the recess 23a of usefulness, thereby regulate the supply of fertilizer to the field.And, by under closed state, pulling out flashboard, make fertilizer enter the recess 23a opening of usefulness and drop into fertilizer and send to the field from sending case 20, send switching mechanism thereby constitute.

Because be to use the structure of flashboard, following problem is proposed.That is, keep driving condition, even often when the operation of closing flashboard, can not stop to send of fertilizer at once in order to make outlet roller 23.

In addition, under the situation of filling up,, insert operation, can not guarantee operability smoothly so be difficult to carry out extracting of flashboard because need extract the insertion flashboard with fertilizer.

To this, because use key member 74 to carry out the adjusting of sendout, so when key member 74 is switched, stop to send at once.In addition, because key member 74 is installed in the axle of sending axle 26, does not release operation so be subjected to stockpiling the load of fertilizer, thereby be easy to operate.

Because do not need flashboard, so can reduce number of components.

Power transmission structure to fertilizer unloading part 21 transferring power forms following such.As Fig. 3～shown in Figure 5, be provided with head rod 59, its accept turning arm 58 rotatablely move with from gearbox 14 to seedling growing device 4 transferring power, for this head rod 59 being moved up and down and it is arranged on the eccentric position of turning arm 58, and described turning arm 58 obtains power from the PTO axle 57 that rearward extends.Be provided with the drive member 61 of carrying out the passage shape of balance-type type swing around horizontal fulcrum X, the input part 61A that is formed on an end of drive member 61 is connected with the upper end of head rod 59.Be extended with second connecting rod 62 upward from the efferent 61B across the opposite side of horizontal fulcrum X of drive member 61, this second connecting rod 62 is connected with the input arm 60A of one-way clutch 60.Be converted to the power that rotatablely moves is passed to via gear mechanism from driving shaft 55 and sends axle 26 by one-way clutch 60.

As shown in Figure 6 and Figure 7, the horizontal connecting pin 69 of the 61C of pair of side plates portion that connects drive member 61 is installed on the input part 61A of drive member 61, and be mounted with the carriage 70 of passage shape at the lower surface of connecting pin 69, the upper end shaft sleeve part 59A of head rod 59 is installed, and upper end shaft sleeve part 59A is embedded in outward on the connecting pin 70A on the connecting pin 70A that is set up in the pair of side plates portion of carriage 70.

As shown in Figure 4 and Figure 5, end is extended with left and right sidesing supporting frame 66A, 66B respectively downwards from about the support 22c that grows crosswise of the support fertilizer unloading part 21 of carriage 22, and the bottom 66b of right bracing frame 66B and the connecting pin 69 that connects on the input part 61A that is supported on moving member 61 are provided with backstay 73.

Promptly, form installation shaft sleeve part 73A, 73B at the two ends of backstay 73, an installation is installed on the connecting pin 69 that is provided with on the input part 61A of drive member 61 with the outer embedding of shaft sleeve part 73A, another is installed with the outer embedding of shaft sleeve part 73B be installed on the mount pin 66c of bottom 66b of right bracing frame 66B, the state that the link position of drive member 61 and head rod 59 does not change by backstay 73 formations.

Then, swing position of the fulcrum change unit A is described.As Fig. 4 and shown in Figure 6, swing position of the fulcrum change unit A regulates the swing fulcrum of the drive member 61 of carrying out the balance-type type swing and makes the change of swing position of the fulcrum.

Swing position of the fulcrum change unit A comprises the conveying axis 63 that is formed with thread groove 63A, moves back and forth member 64 and regulate operating parts 65 along what the axis direction of conveying axis 63 moved back and forth, and wherein this adjusting operating parts 65 is installed in from the extended small diameter part 63B of right bracing frame 66B of conveying axis 63 in the mode that can freely load and unload.

Conveying axis 63 is erected on left and right sidesing supporting frame 66A, the 66B that end extends downwards respectively from about the support 22c that grows crosswise, and conveying axis 63 is can being that the mode of center rotation is supported with oneself axle center Y via the bearing 67 on the lower end shaft sleeve part 66A, the 66B that remain on left and right sidesing supporting frame 66A, 66B.

Move back and forth that member 64 comprises the outer retainer 64A of portion cylindraceous that is embedded on the conveying axis 63 and can moves freely and the hanging member 64B of the passage shape that extends from the 64A of retainer portion downwards.Keep a pair of lower end board 64a of certain intervals about hanging member 64B is formed with, its lower end board 64a is embedded in outward on the left and right sides face of drive member 61 with the state that strides across.

As Fig. 4 and shown in Figure 7, on the 61C of pair of side plates portion of drive member 61, be formed with respectively along the slotted hole 61a of the long side direction of its side plate 61C, make connecting pin 68 connect this slotted hole 61a and insert among the lower end board 64a of hanging member 64B.Be embedded with bearing 68A outside on connecting pin 68, the end face sliding-contact of this bearing 68A and the inner space that forms drive member 61 makes to move back and forth moving of member 64 and carry out swimmingly.

Constitute the swing fulcrum of drive member 61 by this connecting pin 68.

As Fig. 4 and shown in Figure 6, than the right flank of the right bracing frame 66B among the left and right sidesing supporting frame 66A, the 66B that support conveying axis 63 side more to the right, be and erect the guiding trestle 71 that is provided with horn shape cantilever-shapedly, and on guiding trestle 71, be formed with along the pilot hole 71A of the axle center Y direction of conveying axis 63.

On the other hand, make to be fastened among the pilot hole 71A and the state of guide post 72 from be fastened on pilot hole 71A that moves back and forth member 64 channeling conducts extended to move back and forth member 64, and be fastened on and move back and forth on the member 64.

According to above-mentioned structure, drive member 61 is being supported by hanging, and is that the balance-type type swing is freely carried out at the center with the axle center X of connecting pin 68.And when adjusted operating parts 65 makes its when rotation, conveying axis 63 is that the center rotates with own axle center Y, moves back and forth member 64 and moves along the axle center Y of conveying axis 63 and make.By guide post 72, move back and forth member 64 and move under the state of axle center X, being directed.Thus, can mobile drive member 61 carry out the position of the fulcrum that balance-type type is swung.So, the connecting rod ratio of the balance-type type swing of variation drive member 61, the driving stroke of the efferent 61B of drive member 61 changes.

Promptly, be arranged in the position that moves back and forth member 64 under the situation of end of head rod 59 sides of slotted hole 61a of drive member 61, length of connecting rod L2 from position of the fulcrum (axle center X) to the link position of the drive member 61 and second connecting rod 62 and be approximately 1 from position of the fulcrum (axle center X) to drive member 61 with the connecting rod ratio of the length of connecting rod L1 of the link position of head rod 59.

From this state, make the position that moves back and forth member 64 near second connecting rod, 62 sides more, length of connecting rod L1 is long more, and length of connecting rod L2 is short more, and connecting rod is than approaching zero gradually.

And, be arranged in the position that moves back and forth member 64 under the situation of end of second connecting rod, 62 sides of slotted hole 61a of drive member 61, because length of connecting rod L1 is long, length of connecting rod L2 becomes the length that almost goes to zero, so the connecting rod ratio is approximately zero.

Thus, fertilizer is not sent in the almost vanishing of driving stroke among the efferent 61B of drive member 61.

In order to change the position of the fulcrum of drive member 61 in this wise, adopted the structure of utilizing conveying axis 63, make its rotation by operation conveying axis 63 thus, can make position of the fulcrum produce small moving, the distance that this fulcrum moves is less than the pitch of thread groove 63A, the situation that position of the fulcrum moves with utilizing direct control spare that fulcrum is slided is compared, can finely tune, and, because move back and forth member 64 and thread groove 63A engagement, so moving back and forth member 64 can self-locking, need not import special lockable mechanism and can be fixed on adjusting position.

As Fig. 3 and shown in Figure 5, regulate operating parts 65 and go up and can freely load and unload by the small diameter part 63B that wing nut 63a is installed in conveying axis 63, pull down when planting operation common, can not hinder operation.

Though not shown, for example also can make 65 of adjusting operating parts folding in the arm position that is connected with small diameter part 63B, for example also can fold small diameter part 63B, thereby adjusting operating parts 65 is folded near fertilizer apparatuses 2.

Because regulate operating parts 65 be installed in conveying axis 63 across unloading part 21 on the small diameter part 63B that the opposition side of described head rod 59 extends, so can avoid concentrating of machine construction, and can be arranged on and drive near the seat 16 regulating operating parts 65, need not be from driving that seat 16 gets off and adjusted operating parts 65 is regulated.

[second embodiment]

The power transmission structure of the subtend fertilizer unloading part 21 transferring power structure machine different with first embodiment describes.As Figure 12 and shown in Figure 14, be provided with head rod 59, in order to accept to obtain from the PTO axle 57 that rearward extends the rotatablely moving of turning arm 58 of power from gearbox 14 to this head rod of seedling growing device 4 transferring power 59, this head rod 59 is arranged on the eccentric position of turning arm 58 in order to move up and down.

As shown in figure 13, near horizontal connecting axle 85 about setting up the upper end of head rod 59, the arm 85A that bears that is arranged on this connecting axle 85 is connected with the upper end of head rod 59.Connecting axle 85 extends near the right-hand member of fertilizer apparatus 2, in connecting axle 85 right end position own actuating arm 85B is installed.Be connected with at the front end of actuating arm 85B and be the coupled arm 86 of posture up and down, the upper end of coupled arm 86 is connected with the input part 61A of the drive member 61 of carrying out the passage shape that balance-type type swings around horizontal fulcrum X.

The leading section that on the input part 61A of drive member 61, is connecting the registration arm 88 that postpones from fixation side, by this registration arm 88, not only restriction moves back and forth moving of member 64, also limits the interlock of drive member 61, thereby the normal condition of the swing fulcrum adjusting of drive member 61 is not changed.

Be extended with second connecting rod 62 downwards from the efferent 61B across the opposite side of horizontal fulcrum X of drive member 61, this second connecting rod 62 is connected with the input arm 60A of one-way clutch 60.Be transformed to the power that rotatablely moves is passed to via gear mechanism from driving shaft 55 and sends axle 26 by one-way clutch 60.

Then, about swing position of the fulcrum change unit A, the structure different with the structure of first embodiment described.

As Figure 13 and shown in Figure 14, swing position of the fulcrum change unit A comprises the thread spindle 80 that is formed with external thread part 80A, moves back and forth member 64 and regulate operating parts 65, wherein, describedly move back and forth that member 64 keeps the nut member that screws togather with external thread part 80A and move back and forth along the axis direction of thread spindle 80, the small diameter part 80B that described adjusting operating parts 65 is installed in thread spindle 80 goes up and can freely load and unload.

The mounting structure of double thread axle 80 describes.The installation that is provided with abreast at the axis with thread spindle 80 is provided with the inside of casing 84 and is tabular by support 82, be provided with Support bracket 82A, the 82B of flange part by the front and back end cross setting of support 82 as front and back, shaft sleeve part 82a, 82b on Support bracket 82A, the 82B before and after being arranged on are supporting thread spindle 80 via bearing 83, and thread spindle 80 can be that freely rotate at the center with the axle center Y of self.

Move back and forth that member 64 comprises the outer retainer 64A of portion cylindraceous that is embedded on the thread spindle 80 and can moves freely and the hanging member 64B of the passage shape that extends from the 64A of retainer portion downwards.Keep a pair of lower end board 64a of certain intervals about hanging member 64B is formed with, hanging member 64B is embedded in outward on the drive member 61 in the mode that sandwiches drive member 61 by lower end board 64a.

As Figure 13 and shown in Figure 14, on the side plate of drive member 61, be formed with slotted hole 61a along long side direction, make connecting pin 68 connect this slotted hole 61a and insert among the two lower end board 64a of hanging member 64B.Constitute the swing fulcrum of drive member 61 by this connecting pin 68.

Horizontal side in retainer portion 64 is equipped with display board 87, and it is outstanding upward from installing with the upper surface of casing 84 to make this display board 87 be set to its upper end.The index of the sendout of representing fertilizer etc. is set on install with casing 84, regulates the index that the guide plate 87 that moves is indicated the sendout of fertilizer etc. thereby utilize by the position of the fulcrum of drive member 61.

As Fig. 1 and shown in Figure 13, adjusting operating parts 65 screws in the axle head of thread spindles 80 and fixes, because drive the height and position that the backrest of seat 16 also is arranged on the portion of hanging down, regulates the height that operating parts 65 is arranged on easy operating.

In this case, though not shown, can constitute with hand and pull down the structure of regulating operating parts 65 from thread spindle 80, can fold thread spindle 80 and make and regulate operating parts 65 and can fold near fertilizer apparatuses 2 and take in.

According to above such structure, when adjusted operating parts 65 made its rotation, thread spindle 80 was the center rotation with the axle center of self, and driving moves back and forth member 64 makes it move along thread spindle 80.Thus, as mentioned above, the change of the position of the fulcrum of drive member 61, thus the connecting rod of drive member 61 carries out sendout and regulates than change.

[other embodiments]

(1) make conveying axis 63 and thread spindle 80 rotations for the stroke of the efferent 40B that changes drive member 40, thus the sendout of carrying out fertilizer regulate, but can not use conveying axis 63, adopt directly to make to move back and forth the form that member 64 slides.

(2) make conveying axis 63 and thread spindle 80 rotations artificially for the stroke of the efferent 40B that changes drive member 40, thereby the sendout of carrying out fertilizer is regulated, and utilizes 63 rotations of drive motor conveying axis and makes and move back and forth the form that member 64 slides but can adopt.Do not need artificial adjusting operating parts.

(3) make conveying axis 63 and thread spindle 80 rotations artificially for the stroke of the efferent 40B that changes drive member 40, thereby the sendout of carrying out fertilizer is regulated, make conveying axis 63 be positioned at taking below the pedal of manoeuvre portion 15 but can adopt, only second connecting rod 62 erects the structure above pedal.

(4) as regulating operating parts 65, not only can be the handle form, also can be foot-operated (footpedal) mode.

Material for agriculture feedway of the present invention is not only applicable to the above-mentioned fertilizer apparatus that is loaded on the riding type rice transplanter, is applicable to following such device yet.

(1) can be with the direct sowing of seed rice direct seeding apparatus in the fields.

(2) can be the fluid Supplying apparatus that is used to apply liquid fertilizer.

(3) can be the medicament dissemination apparatus.

(2) can be the seed rice carrying device that is used for seedling nursing device.

[overall structure of Work machine]

Figure 15 and Figure 16 show the riding type rice transplanter as an example of the Work machine that is suitable for powder supply device A of the present invention.

This riding type rice transplanter has engine 113 and gearbox 114 in the toe lateral of the vehicle body hanger 110 of the body 101 that travels, and the body 101 that travels have can free steering operation pair of right and left front-wheel 111 and pair of right and left trailing wheel 112.Be provided with the manoeuvre portion 115 of having assembled steering handle etc. and drive seat 116 at the central portion of the body 101 that travels, on formation is travelled the rear portion pedal 118 at vehicle body hanger 110 rear portions of body 101, dispose described powder supply device 100A.

In the left and right sides of engine 113 and manoeuvre portion 115 and drive between the seat 116, and the left and right sides of driving seat 116 is provided with Drive Section pedal 117, and this Drive Section pedal 117 is lower than described rear portion pedal 118 and has the pedal part of general planar.The outside more outer than this Drive Section pedal 117 is equipped with preparation seedling carrying base 126 in the equipping position position, the left and right sides in opposite directions with described engine 113.

Rear portion side in vehicle body hanger 110, the pair of right and left support frame plates 110B that constitutes vehicle body hanger 110 erects and is arranged on the main support 110A of same formation vehicle body hanger 110, another distolateral seedling growing device 102 that is equipped with as the example of apparatus for work 100B of the linkage 119 that is connected with this support frame plates 110B in that a distolateral pivot is propped up on this support frame plates 110B, thus constitute riding type rice transplanter.Described linkage 119 has lift cylinder 119a, and seedling growing device 102 is connected on the body 101 that travels, and described linkage 119 can make its lifting by this seedling growing device 102 of free operant.

As shown in figure 16, seedling growing device 102 constitutes 8 structures of planting, comprise 4 a pair of 122,5 the ground connection hulls 123 of pawl and seedling carrying bases 124 etc. of planting of planting transmission case 120, rotary box 121, being configured in the two ends of rotary box 121, wherein said rotary box 121 is supported on the left and right sides of planting transmission case 120, and can freely drive this rotary box 121 rotations.

[structure of powder supply device]

Then, the structure to powder supply device 100A describes.

Powder supply device 100A comprises fertilizer apparatus 103 and blows carrying unit 104, wherein said fertilizer apparatus 103 is used to stockpile as to be handled upside down thing be the fertilizer of powder body and send ormal weight and supply with at every turn, and the described carrying unit 104 that blows is used to utilize wind-force that the powder body is carried to apparatus for work 100B side.As Figure 15 and shown in Figure 16, the above-mentioned fertilizer apparatus 103 and the carrying unit 104 that blows are at the rear portion of travelling body 101, and left and right sides alignment arrangements is being supported by the carriage 105 that is arranged on the vehicle body hanger 110 near the rear side of driving seat 116.

[fertilizer apparatus]

As Figure 17～shown in Figure 19, fertilizer apparatus 103 has: the fertiliser bucket 130 of transparent resin system is used to stockpile fertilizer: send case 131, in 4 fertilizer delivering mechanisms 132 that are configured in fertiliser bucket 130 downsides are housed.

For described fertilizer delivering mechanism 132, to be formed with outlet roller 133 that a plurality of powder bodies enter the recess 133a of usefulness along circumferencial direction in periphery and be configured in and be lower than the powder body outlet 131A that sends case 131 and the top position of pars infundibularis 134 (example of the top portion of fertilizer feed path), and this outlet roller 133 can rotate.In addition, the Reference numeral 132a among Figure 19 is the brush that plays the strickling effect with the side face sliding-contact of outlet roller 133.

The driving force that drives described fertilizer delivering mechanism 132 is to reach via the transmission mechanism with not shown one-way clutch mechanism etc. from the driving force of gearbox 114 to send with driving shaft 135.Then, along with this rotation of sending the discontinuity of using driving shaft 135, outlet roller 133 is driven and rotates, thereby drives fertilizer delivering mechanism 132.

Thus, stockpile the recess 133a that fertilizer in fertiliser bucket 130 enters outlet roller 133, fertilizer is along with the rotation of sending with the discontinuity of driving shaft 135 is sent to pars infundibularis 134.Then, high-pressure blast from the electric blower 140 of the carrying unit 104 that blows described later is supplied to pars infundibularis 134 via carrying pipe 141, sends to apparatus for work 100B side from the cylindrical member 137 of the outlet side of described pars infundibularis 134 by high-pressure blast thereby send to the fertilizer of pars infundibularis 134.That is, be connected with the supply flexible pipe 139 that ditch device 125 is supplied with fertilizer of doing that is used for to seedling growing device 102 on this cylindrical member 137, this cylindrical member 137 is equivalent to be connected the connecting portion on the described supply flexible pipe 139.

Described cylindrical member 137 is at the distolateral inner inside connecting portion 137b that is connected of the 134b of the portion of bearing with dome shape of dome shape and outlet side described pars infundibularis 134 of another of the tubular connecting portion 137a that is connecting described supply flexible pipe 139, and this inside connecting portion 137b is supported on the pars infundibularis 134 and can freely relatively moves.Promptly, constitute posture changing mechanism 136 by the 134b of the portion of bearing of the dome shape of the inside connecting portion 137b of the dome shape of described cylindrical member 137 and pars infundibularis 134 sides etc., this posture changing mechanism 136 can change connects posture under described supply flexible pipe 139 and the state that described cylindrical member 137 is connected keeping.

As shown in figure 19, the 134b of the portion of bearing of the dome shape of described pars infundibularis 134 constitutes and can partly separate at the maximum gauge of sphere, by separately this bears the loading and unloading that the 134b of portion carries out described inner connecting portion 137b.

Shown in Figure 19, Figure 27 A～Figure 29 C, upper face side at pars infundibularis 134, described powder body outlet 131A is arranged on the top position of outlet roller 133, the feasible interflow stream 100r that is configured for making the residual fertilizer in the fertiliser bucket 130 to discharge to discharge pipe 142 sides described later.And, in this powder body outlet 131A, have and freely to switch the fertilizer that makes in the fertiliser bucket 130 is expelled to the operation of the state of outside and the state that the fertilizer in the prevention fertiliser bucket 130 is discharged without described outlet roller 133 switch operating mechanism 138 (being handled upside down the example that switch element is used at the thing interflow), this switch operating mechanism 138 be not be installed on powder body outlet 131A originally on one's body, be the part of the carrying unit 104 that blows described later, can be installed on the powder body outlet 131A from the outside.

In addition, fertiliser bucket 130 is changed under the state of hypsokinesis posture as shown in figure 20, or under the state of the posture when making fertiliser bucket 130 return as shown in Figure 19 original fertilizer to supply with, the interflow that the residual fertilizer of formation in discharge pipe 142 sides are discharged fertiliser bucket 130 is used collaborates to collaborate the state that oral area 142c can both form the inclination of discharge pipe 142 side step-downs with the powder body of stream 100r with the described powder body outlet 131A of stream 100r and the formation of discharge pipe 142 sides, so that residual fertilizer is easy to flow out.

When carrying out the rice transplanting operation usually, operate above-mentioned such switch operating mechanism that constitutes 138 and be the closed posture shown in the solid line among Figure 19, make from the fertilizer of fertiliser bucket 130 and send to pars infundibularis 134.Then, usually finish under the situations such as rice transplanting operation, in the driving that makes seedling growing device 102 (specifically, the driving of PTO axle (figure is outer)) under the state that stops, be when opening posture at the such console switch operating mechanism 138 shown in the imaginary line among Figure 19, the fertilizer that remains in the fertiliser bucket 130 is expelled to the outside from powder body outlet 131A.

[the carrying unit blows]

Be used for to be carried to from the fertilizer (powder body) that fertilizer delivering mechanism 132 is sent that the carrying unit 104 that blows of apparatus for work 100B side is following to be constituted like that by wind-force.

As Figure 17～Figure 19, Figure 22 and shown in Figure 23, the carrying unit 104 that blows has: the electric blower 140 of the usefulness that blows; Carrying pipe 141 becomes the feed path to apparatus for work 100B side carrying powder body and function; Discharge pipe 142 becomes the discharge path of taking out of the powder body and function to the outside.

Electric blower 140 is configured to the state of the axis of rotation 100y of the wing that blows (not shown) that driven by electro-motor 140a along above-below direction, has in the horizontal direction air taking port 140c towards transverse opening, make to be taken into extraneous gas, and will carry wind and blow to opposite side from the horizontal left side of the body 101 that travels from air entry 140b down.

Be connected with guide duct 104A on the described air taking port 140c of this electric blower 140, this guide duct 104A comprises branched pipe 143, carrying pipe 141 that constitutes feed path that branches into two forks and the discharge pipe 142 that constitutes discharge path.

As shown in figure 16, be connected with air intake duct 127 on described air entry 140b, this air intake duct 127 has to suck near engine 113 use opening, to suck the extraneous gas that engine 113 has been heated on every side.This air intake duct 127 is manufactured in the end that is connected a side with electric blower 140 has a part 127c, and this part 127c has the flexible of accordion-like, thereby this air intake duct 127 can be out of shape and allow described electric blower 140 to carry out posture change.

Shown in Figure 27 A, Figure 27 B and Figure 28 A～Figure 28 C, at the discharge side connector 143c that accepts side connector 143a, the supply side connector 143b that is connected with described carrying pipe 141, is connected that is formed with respectively on the described branched pipe 143 on the air taking port 140c that is entrenched in electric blower 140 with discharge pipe 142.Thereby, be supplied to each described carrying pipe 141 and discharge pipe 142 from the air-supply branch of electric blower 140.

Above-mentioned supply side connector 143b with discharge side connector 143c in supply side connector 143b on the surfaces of revolution identical with the surfaces of revolution of the wing rotation of blowing of electric blower 140, be in roughly air taking port 140c state in opposite directions with described electric blower 140, make roughly on direction, wind is sent in the carrying pipe 141 from the extended line 100L of the air supply direction of air taking port 140c.

In addition, supply side connector 143b on being formed on described branched pipe 143 and the discharge side connector 143c that discharges among the side connector 143c are set to following state, promptly, shown in Figure 27 A, Figure 27 B and Figure 28 A～Figure 28 C, overlook down and be positioned at respect to from the horizontal position of the air supply direction extended line 100L deflection of the air-supply of described air taking port 140c, and shown in Figure 25 and Figure 28 A～Figure 28 C, on above-below direction, also be positioned at position than the surfaces of revolution deflection upper side of the wing rotation of blowing of electric blower 140.

And, shown in Figure 28 A～Figure 28 C, form to the air-supply path of discharging side connector 143c and accept side connector 143a and discharge side connector 143c and utilize slick and sly curve to link to each other from the side connector 143a that accepts that is connected with described air taking port 140c.And the flow path cross sectional area in this branched pipe 143 and the direction air supply direction quadrature is compared with the flow path cross sectional area in the discharge pipe 142, and the flow path cross sectional area in the branched pipe 143 is big.In addition, in branched pipe 143, near supply side connector 143b, more upstream effluent road sectional area is big more on air supply direction.

Be equipped with path transfer valve 144 (the row unit is given in the air-supply that is equivalent to discharge pipe 142 is supplied with or discharged air-supply) in described branched pipe 143, this path transfer valve 144 is used for switching the wind supplied with from the air taking port 140c of described electric blower 140 side to feed path side or discharge path side.

Shown in Figure 27 A, Figure 27 B and Figure 28 A～Figure 28 C, this path transfer valve 144 comprises operating axis 144a in the up/down perforation branched pipe 143 and tabular spool 144b, and this spool 144b fitted to be and can rotate and free operant around the axle center 100y2 of operating axis 144a above-below direction.Described spool 144b can switch to the open posture of the discharge path shown in the open posture of the feed path shown in Figure 27 A and Figure 27 B in the scopes of 90 degree roughly.In addition, inner surface side at branched pipe 143 is formed with at the both sides extreme position of described spool 144b posture changing scope and end difference 143d, the 143d of described spool 144b butt, stably keeps open posture of discharge path and the open posture of feed path of described spool 144b by the butt of described spool 144b and end difference 143d, 143d.

[carrying pipe]

It is described like that carrying pipe 141 that is connected with branched pipe 143 and the carrying pipe 141 in the discharge pipe 142 constitute Figure 24, Figure 29 A～Figure 33.

That is, carrying pipe 141 is many short tube 141A to be connected to concentric shape via cyclic adapting piece 141B and the tubular that is connecting that forms specific length.

Shown in Figure 29 A～Figure 29 C, each short tube 141A has card and only uses kick 141a at both ends, is formed with the installing hole 141d that is used for the fixing wind-guiding ways 145 described later of embedding state at the pars intermedia of length direction.

And, shown in Figure 30 A, Figure 30 B and Figure 32 A, Figure 32 B, on cyclic adapting piece 141B, be formed with grooving 141b, the 141b of two cam-likes, be at mutual adjacent short tube 141A and make under the relative state in end in opposite directions, near a pair of card that forms of the circumferential position the end in opposite directions of adjacent short tube 141A only snaps among this grooving 141b, the 141b with kick 141a, 141a mutually.

Thereby, Figure 32 A, Figure 32 B and shown in Figure 33, at first, the card that makes the end be in a short tube 141A among a pair of short tube 141A, the 141A of state toward each other ends with kick 141a and being fastened among the grooving 141b of a cam-like of connector 141B, then, the card that makes the end be in another short tube 141A among a pair of short tube 141A, the 141A of state toward each other ends with kick 141a and being fastened among the grooving 141b of another cam-like of connector 141B, thus, can making mutually, adjacent a pair of short tube 141A, 141A is connected to each other.

Above-mentioned near diameter the end in opposite directions that the end is in a pair of short tube 141A, the 141A of state is toward each other enlarged a little, be equipped with in interior all sides of its hole enlargement part 141e and support member 141C, 141C in one pair.The internal diameter that should interiorly support member 141C, 141C is identical with the internal diameter size except that described hole enlargement part 141e place of described short tube 141A, 141A, thereby the inner peripheral surface of carrying pipe 141 forms the round slip surface that does not have useless stage portion to grade.

In addition, be the rib of the anti-skidding usefulness when the periphery of controlling cyclic adapting piece 141B is rotated operation as Figure 32 A, Figure 32 B and Reference numeral 141c shown in Figure 33.

The wind-guiding ways 145 that is installed among the installing hole 141d that the pars intermedia of described short tube 141A length direction forms is that the whole one thing that is made of the rubber prepared material forms.And, shown in Figure 21 and Figure 31 A～Figure 31 C, be formed with two tubular guide part 145b, 145b embedding in the installing hole 141d that forms on the short tube 141A and the pedestal part 145a of this two tubular guide part 145b, 145b and wind-guiding ways 145 forms one in the side of the pedestal part 145a of this wind-guiding ways 145, divide the carrying wind of formation on the pars infundibularis 134 that the opposite side of 145a is embedded in fertilizer apparatus 103 outside being formed with to be taken into recess 145c on mouthful 134a at the pedestal of this wind-guiding ways 145.

Thereby, embed among the installing hole 141d that the pars intermedia of short tube 141A length direction forms by described two tubular guide part 145b, 145b the wind-guiding ways 145 of this rubber system, wind-guiding ways 145 can be installed in the carrying pipe 141.And, as Figure 19 and shown in Figure 21, be embedded on the pars infundibularis 134 the carrying wind that forms outward by recess 145c and be taken on mouthful 134a described wind-guiding ways 145, carrying pipe 141 is connected with the pars infundibularis 134 of fertilizer apparatus 103.Like this, the wind-guiding ways 145 of rubber system also plays the effect of the containment member of the linkage unit that connects carrying pipe 141 and the pars infundibularis 134 of fertilizer apparatus 103 and this link position except the effect of playing the carrying wind guiding that is easy to be taken into carrying wind.

The position of described two tubular guide part 145b, 145b disposes before and after on the carrying wind flow direction, in described two tubular guide part 145b, 145b, the tubular guide part 145b that is positioned at the downstream on carrying wind flow direction is much more outstanding from pedestal part 145a than the tubular guide part 145b that is positioned at upstream side.

And, in each tubular guide part 145b, 145b, the outer peripheral face of each tubular guide part 145b, 145b tubular forms the face that is cut into towards upstream side and is lower than shape towards the face in downstream, makes it possible to be taken into well the carrying wind from upstream side on the carrying wind flow direction.In addition, jag one side of the outer peripheral face of each tubular guide part 145b, 145b tubular forms the partial circle conical surface that front more becomes thin more, make carrying wind mobile in carrying pipe 141 be easy to go into towards changing swimmingly to pars infundibularis 134 side-draws.

In addition, for above-mentioned carrying pipe 141, because it is one side closed it need to be carried the direction end, so in the present embodiment, as Figure 18 and shown in Figure 24, use the short tube of the special shape that the end of end side is closed as the short tube 141A of least significant end side, but be not limited to such structure, can the sealing member of other purposes be installed at the end side of the short tube 141A of both ends open.

[discharge pipe]

Carrying pipe 141 that is connected with branched pipe 143 and the discharge pipe in the discharge pipe 142 142 constitute shown in Figure 17, Figure 18, Figure 19, Figure 24～Figure 27 B such.

That is, discharge pipe 142 is many short tube 142A, 142B to be connected to concentric shape and the tubular that is connecting that forms specific length, and terminal part is connecting the end pipe 142C that can load and unload.

The connection of this discharge pipe 142 is not to use manages 141 cyclic adapting piece 141B as described carrying and connects, and constitutes short tube 142A, 142B end shape and the end shape of terminal pipe 142C each other improved and the discharge pipe 142 of tubular that short tube 142A, 142B are connected with terminal pipe 142C.

Promptly, for discharge pipe 142, be not to use only a kind of pipe of end shape as short tube 142A, 142B, shown in Figure 24, Figure 25 and Figure 26 A, B, but comprise that both end sides has the first short tube 142A of the local band ladder end 142a that enlarges of diameter, the whole second short tube 142B that forms straight tube-like and distolateral inserting is embedded among the described first short tube 142A and another distolateral externally combination of open end pipe 142C.

Thereby, the first above-mentioned short tube 142A is connected with alternatively making up as shown in Figure 25 with the second short tube 142B such as Figure 24, least significant end portion is connected with described terminal pipe 142C, constitutes long discharge pipe 142 thus.

Shown in Figure 19 and Figure 27 A, Figure 27 B, the pars intermedia of the first short tube 142A length direction in described short tube 142A, 142B is formed with powder body interflow oral area 142c that is connected with the powder body outlet 131A of fertiliser bucket 130 and the tilt guides 142d that guides the powder at interflow to the downstream of carrying wind flow direction.

Like this, owing to formed the first short tube 142A, so form the state that the interflow that includes described powder body interflow oral area 142c and tilt guides 142d has entered with the approximate rectangular exit opening of stream 100r in that the tubular of discharge pipe 142 is inner.Thus, shown in Figure 27 B, the wind that imports in the discharge pipe 142 is mobile along the inclined-plane of tilt guides 142, perhaps the horizontal sidepiece along powder body interflow oral area 142c flows, while the residual fertilizer terminad side carrying that attracts to discharge with stream 100r from the interflow, residual thus fertilizer seldom returns sends case 131 sides.

The integral body of the second short tube 142B forms straight tube-like, the state that the second short tube 142B is embedded in both end sides among the band ladder end 142a that forms on the end of the described first short tube 142A in opposite directions is connected with the first short tube 142A, and, clip seal member 142b between the band ladder end 142a that forms in the outer peripheral face of the second short tube 142B end and the described first short tube 142A end.

And, diameter and the band ladder end 142a of the described first short tube 142A and the pipe inner peripheral surface equal diameters except that tilt guides 142d of the inner peripheral surface of the tube body part of the second short tube 142B straight tube-like form the smooth stream that the inner peripheral surface side connects on discharge pipe 142.

On the oral area 142c of the powder body interflow of the described first short tube 142A, be equipped with and be used to operate the switch operating mechanism 138 that described powder body outlet 131A opens and closes.Shown in Figure 19, Figure 20, Figure 24～Figure 26 B, this switch operating mechanism 138 comprise with in opposite directions tabular spool 138a of the outside of powder body outlet 131A, be installed in the upper end side of tabular spool 138a crank-like axis body 138b, be used for action bars 138c and holddown spring 138d that operating crank shape axis body 138b rotates.

Thereby, make its detent position shown in the solid line from Figure 19 turn to the release position shown in the imaginary line and switch to " opening " by operating described action bars 138c from " closing ", thereby can operate tabular spool 138a it is switched to open posture.In addition, the operating portion of described crank-like axis body 138b is entrapped in action bars 138c and goes up among the slotted hole 138e that forms, operating portion and the holddown spring 138d between described action bars 138c that utilization is arranged on described crank-like axis body 138b push the operating portion that loads described crank-like axis body 138b to the lower end side of slotted hole 138e, stably keep sealing posture and the open posture of tabular spool 138b thus.

As Figure 19 and shown in Figure 20, the outer circumferential side one of the described first short tube 142A has the installation board 142e that is made of alongst tabular tab, and the described first short tube 142A is connected with carriage 105 bolts via this installation board 142e and is fixed on the carriage 105.By in this wise the first short tube 142A being fixed on the carriage 105, thereby to the second short tube 142B that is in the state that is clipped between the first short tube 142A its length direction and with the direction of length direction quadrature on mobile the restriction, the position of discharge pipe 142 integral body is limited.

Shown in Figure 25 and Figure 26 A, Figure 26 B, terminal pipe 142C has person in charge 142f and the lid 142g that is bent into L word shape, this lid 142g and separate predetermined distance ground cover between the opening port 142h that the bending position of being responsible for 142f forms is with the carrying wind of downward guiding from opening port 142h discharge.And the upstream-side-end of the carrying wind flow direction of described person in charge 142f is entrenched on the band ladder end 142a of the first short tube 142A of afterbody.

Be provided with separative element 146 in this end pipe 142C, this separative element 146 stops the powder body of eolian transportation in discharge pipe 142 to pass through by only making carrying wind, separates with the powder body thereby will carry wind.

Described separative element 146 comprises described opening port 142h and the reticulate body 146a that is assemblied on the opening port 142h.That is, described opening port 142h is that the transverse pipe part with along the extending direction of the described first short tube 142A and the second short tube 142B in being responsible for 142f is located to be cut in opposite directions, so that the stream in the transverse pipe part is whole open.And, at opening port 142h described reticulate body 146a is being set on the whole, pass through by only making carrying wind in order to stop the powder body that in discharge pipe 142, flows, described reticulate body 146a has the suitable a plurality of ventilation holes of size.

Because described separative element 146 constitutes like this, so the powder body that flows in discharge pipe 142 is to the extending direction carrying of the described first short tube 142A and the second short tube 142B, when when reticulate body 146a as described separative element 146 contacts, the powder body stops to move and falling downwards to described extending direction, only carries wind and blows out described extending direction by described reticulate body 146a.

In addition, though it is not shown, the lid 142g that covers in the mode of the described carrying wind of downward guiding can be following posture from the Status Change shown in Figure 26 A, Figure 26 B, promptly, with lid 142g with can be around the horizontal direction axle center upward the mode that freely swings of side be installed in and be responsible on the 142f, side is open greatly upward.If constitute and to carry out posture changing to lid 142g as described above, then make lid 142g be in open posture and be easy to carry out the maintenance of described separative element 146.

Shown in Figure 24～Figure 27 B, partly be provided with switch valve 147 at the person in charge 142f of described terminal pipe 142C, operate this switch valve 147 and can freely switch to the discharge state that makes the carrying wind that discharge pipe 142 in, flows be expelled to outside state and prevention mobile carrying wind direction outside in discharge pipe 142 from the end of discharge pipe 142 as the stream switch element.

This switch valve 147 comprises horizontal operating axis 147a and the discoideus spool 147b that rotates around operating axis 147a, by rotating the terminal part free operant passage opening/closing in discharge pipe 142 from the described operating axis 147a of peripheral operation.

For rotating it by the action bars 138c that operates described switch operating mechanism 138, the opening and closing operations of above-mentioned switch valve 147 carries out being provided with bindiny mechanism 148.

Promptly, shown in Figure 26 A, Figure 26 B, be fixed with operating sheet 148a and described action bars 138c and operating sheet 148a and form one on the part of described action bars 138c, the motion arm 148c that connecting rod 148b and one on the part that is connected this operating sheet 148a is connected on the operating axis 147a on the described switch valve 147 is connected.Thus, when the described action bars 138c of operation rotates when described switch valve 147 switched to stream sealing posture, described switch operating mechanism 138 is operated tabular spool 138a to open side, makes cylindrical member 137 switch to open state.

Thereby, because make the end side sealing of discharge pipe 142, become by the state of cylindrical member 137 to fertiliser bucket 130 side reverse flows so be supplied to discharge pipe 142 interior carrying wind with described switch valve 147.

Described bindiny mechanism 148 not only make as the switch valve 147 of described stream switch element with is connected as being handled upside down the switch operating mechanism 138 of thing interflow with the tabular spool 138a of switch element, but also be connected to the path transfer valve 144 of arranging the unit as air-supply.

Promptly, shown in Figure 24, Figure 25 and Figure 27 A, Figure 27 B, the distolateral motion arm 144c of the operating axis 144a that utilizes connecting rod 148e to make to be arranged on path transfer valve 144 switches with near the path of the position that is arranged on path transfer valve 144 of action bars 138c and is connected with operating sheet 148d.

Thus, make its rotation by operating described action bars 138c, described switch valve 147 is switched to stream sealing posture, and described cylindrical member 137 is switched to open state, and described path transfer valve 144 is switched to the state that the wind that makes electric blower 140 is sent to discharge pipe 142 sides.Thereby described action bars 138c also has the effect as the operating portion of path transfer valve 144.

Be provided with the fertilizer that constitutes by soft flexible pipe etc. in the part of the downwardly facing opening of the person in charge 142f of described terminal pipe 142C part and discharge and use flexible pipe, but not shown.In addition, can with to collect discharge the fertilizer of discharging from its fertilizer with flexible pipe collection bag fixedly the carriage of usefulness be arranged on the part of described carriage 105, perhaps be arranged on the part of rear portion pedal 118.At this moment, wish that described carriage compares with described rear portion pedal 118 down overlooking, outstanding to body lateral outer side side, be positioned at the rear side of rear portion pedal 118.

[carriage]

The carriage 105 that supports the above-mentioned fertilizer apparatus 103 and the carrying unit 104 that blows is constructed as follows like that.

Promptly, as Figure 17～shown in Figure 20, carriage 105 is by being arranged on constituting of 105A of fixed frame portion on the body 101 that travels and the 105B of movable frame portion, and the described movable frame 105B of portion can carry out posture changing around the transverse axis heart 100x along the body left and right directions with respect to the 105A of fixed frame portion.

The described fixed frame 105A of portion comprises the preceding lateral brace 151 of the front side that supports the described movable frame 105B of portion and supports the back lateral brace 152 of the rear side of the described movable frame 105B of portion, the described movable frame 105B of portion comprises the cancellate top rectangle support 150B that forms horizontal length and supports the 150A of foot, wherein, described top rectangle support 150B supports arranging the fertiliser bucket 130 that is provided with at the body 101 upper edge left and right directions that travel, the described support 150A of foot connection downwards is arranged on the rear side of top rectangle support 150B and forms one with its top rectangle support 150B, and is connected with the upper end side of described back lateral brace 152.

The lower end side of lateral brace 151 and back lateral brace 152 is fixed in vehicle body hanger 110 1 sides before described.And, lateral brace 151 before back lateral brace 152 in preceding lateral brace 151 and the back lateral brace 152 is shorter than, supporting the 150A of support foot of the described movable frame 105B of portion in the upper end side of this back lateral brace 152, and the 150A of support foot of the described movable frame 105B of portion can be around transverse axis heart 100x swing.

Thereby, the common work posture before the posture of movable frame portion 105 can switch to as shown in figure 22 front like that and is supported on the lateral brace 151 and like that center on the maintenance posture that described transverse axis heart 100x topples over rearward as shown in figure 23.

The support of 151 pairs of clathrate frameworks 152 of lateral brace before the described movable frame 105B of portion switches to maintenance and often needs to remove with posture, this releasing is following to be carried out like that.

For preceding lateral brace 151, by comprising the Hook member 153a that is installed in the 105B of movable frame portion side and can swings and being arranged on preceding lateral brace 151 sides, can switch to state of with clathrate framework 152 mutual engagement connections and the state of removing its engagement connection to be fastened on the lockable mechanism 153 of the card shotpin 153b among the Hook member 153a.

Thereby, such as shown in figure 23, pressing the hook action bars 153c shown in the solid line among Figure 22 removes hook action bars 153c and blocks engaging of shotpin 153b, when keeping this state and make that fertilizer apparatus 103 is whole to rotate around described transverse axis heart 100x, as Figure 20 and shown in Figure 23, can switch to the maintenance posture that fertilizer apparatus 103 integral body are the hypsokinesis posture.

At this moment, as shown in figure 23, the plumb line 100y1 that the position of the center of gravity 100G of fertilizer apparatus 103 integral body surpasses on the described transverse axis heart 100x becomes the state that is positioned at rear side, is easy to keep the maintenance posture.In addition, as shown in figure 22, be under the state of common work posture, described center of gravity 100G is positioned at the front side of described plumb line 100y1, and rotate mobile around the transverse axis heart 100x of the such lower position in the upper end that is positioned at low back lateral brace 152, thus, for example compare around the situation that is in the locational axle center rotation that equates with the height of preceding lateral brace 151 upper ends, while do not need to make center of gravity 100G to move mobile rearward big operating physical force like that to mentioning direction with making described center of gravity 100G.In addition, because described transverse axis heart 100x is in the state that position on the fore-and-aft direction enters the downside of fertiliser bucket 130, so described transverse axis heart 100x is also short at the spacing distance of the described center of gravity 100G of fore-and-aft direction distance.And, do not fill in inside under the state of fertilizer, center of gravity 100G Reference numeral 100G1 as shown in figure 22 has the trend that is in lower position like that, in this case, because transverse axis heart 100x is positioned at position low and on the front, get final product so carry out by a small margin the operation that side upward mentions center of gravity 100G.

As Figure 17～Figure 20, Figure 22, shown in Figure 23, fertilizer apparatus 103 is connected with the 105B of movable frame portion with the carrying unit 104 that blows and is supported on the 105B of movable frame portion, along with the 105B of movable frame portion rotates around described transverse axis heart 100x, also operate described fertilizer apparatus 103 and make its rotation with the carrying unit 104 that blows.

That is, as shown in figure 19, on installation bracket 130a, the 130a that the front and back that the front side of the top rectangle support 150B of the 105B of movable frame portion and rear side bolt are connected fertiliser bucket 130 form.

And, the carrying pipe 141 that constitutes the carrying unit 104 that blows is connected on the fertilizer apparatus 103d pars infundibularis 134, the installation board 142e of each first short tube 142A of discharge pipe 142 is connected via the installing plate 150a on the 150A of support foot that is arranged on the 105B of movable frame portion, and electric blower 140 is fastened on the branched pipe 143 that is connected with described carrying pipe 141 and discharge pipe 142.

As Figure 19 and shown in Figure 20, also set up Support bracket 150b at the front side of described top rectangle support 150B, this Support bracket 150b is used to support the action bars 138c of described switch operating mechanism 138 and can operates this action bars 138c and freely rotate.

[portion that stockpiles of powder body]

The fertiliser bucket 130 that stockpiles the powder body specifically constitutes Figure 34 A～as shown in Figure 37.

In this structure, connect a plurality of intermediate receptacle unit bodies 130A and end container unit body 130B via bindiny mechanism 106, thereby constitute 8 fertiliser buckets 130 of planting usefulness.

Intermediate receptacle unit bodies 130A has interconnecting part 130C in the two side of left and right directions portion, form in container space on half side, the state that is communicated with about inner fertilizer, in container the space on half side, inner fertilizer either side to the left and right moves.

And the only inboard side that promptly is connected with intermediate receptacle unit bodies 130A of end container unit body 130B that is positioned at the lateral outer side of intermediate receptacle unit bodies 130A is formed with described interconnecting part 130C.

As shown in figure 36, each above-mentioned intermediate receptacle unit bodies 130A and end container unit body 130B, both sides are formed with pair of right and left installation bracket 130a, the 130a that is connected usefulness with carriage 105 before and after it, and each above-mentioned installation bracket 130a, 130a do not exceed the outside of the upper end side ora terminalis before and after each intermediate receptacle unit bodies 130A and the end container unit body 130B.

As Figure 35～shown in Figure 37, the bindiny mechanism 106 that is used to be connected to each other intermediate receptacle unit bodies 130A and connects intermediate receptacle unit bodies 130A and end container unit body 130B comprises that shape is according to the connecting elements 160 of the peripheral outer lips of described interconnecting part 130C, shape roughly identical with connecting elements 160 seal member 161 and connecting bolt 162.

For this bindiny mechanism 106, sandwich seal member 161 to each other or between intermediate receptacle unit bodies 130A and the end container unit body 130B at described intermediate receptacle unit bodies 130A, and, in the outside of intermediate receptacle unit bodies 130A joint each other and the outside of the joint of intermediate receptacle unit bodies 130A and end container unit body 130B described connecting elements 160 is installed, utilize connecting bolt 162 with each container unit body 130A, 130B, seal member 161 and connecting elements 160 integral body are connected to common tightening state and constitute the fertiliser bucket 130 of growing crosswise.

[other]

As Figure 38 and shown in Figure 39, be supplied to seedling growing device 102 sides of fertilizer at supply flexible pipe 139 via fertilizer apparatus 103, have shock transducer 107 with the junction of making ditch device 125 supplying with flexible pipe 139.This shock transducer 107 is by impacting to respond to whether emit the fertilizer grain from supplying with flexible pipe 139 according to the collision detection of fertilizer grain, working to detect fertilizer and fill.

This shock transducer 107 is supported on the lid 170 that is arranged at described supply flexible pipe 139 and the accordion-like of the junction of making ditch device 125, makes the vibration etc. of body be difficult to reach on the described shock transducer 107.

The driving of the fertilizer delivering mechanism 132 of described fertilizer apparatus 103 gets final product according to the driving force of the suitable transmission mechanism transmission of the use of having narrated from gearbox 114, so the structure of transmission mechanism and bang path etc. and the irrelevant omission of aim of the present invention explanation, normally extend the power transmission shaft (figure outer) of adaptation, the driving shaft 135 of fertilizer delivering mechanism 131 is carried out driven off by shaft structure etc. at centre installation discontinuity rotating mechanism from gearbox 114.

Figure 40 shows other structures of transmission mechanism, and this structure constitutes following such.Via 108 pairs of conducts of a repeater box from gearbox 114 to seedling growing device 102 the drive transmitting axle and the power transmission shaft 180 selected and as 112 drive transmitting axle and another power transmission shaft 181 of selecting transmits from gearbox 114 to trailing wheel.

And, in described repeater box 108, at the power transmission shaft 182 that is provided with to the power transmission shaft 180 of described seedling growing device 102 and centre position to fertilizer apparatus 103 to the power transmission shaft 181 of trailing wheel 112, and in described repeater box 108, be provided with switch clutch 183, make power transmission shaft 182 can select property ground and select described each power transmission shaft 180,181.

[other embodiments]

Figure 41 A, Figure 41 B show at 6 and plant the fertiliser bucket 130 that uses in the riding type rice transplanter of type.

In this structure, equate with the capacity of left and right end portions container unit body 130B as the volume of intermediate receptacle unit bodies 130A, adopt a form that container constitutes by elongated shape.This structure is because riding type rice transplanter becomes 6 and plants, wheelbase shortens, and be used for corresponding seat 116 and 130 structures that do not have remaining space of fertiliser bucket of driving, shown in Figure 41 B, the corresponding intermediate receptacle unit bodies 130A that drives the rear side of seat 116 becomes recessed shape.In addition, syndeton of the structure of left and right end portions container unit body 130B and intermediate receptacle unit bodies 130A and left and right end portions container unit body 130B etc. is identical with the structure of aforesaid 8 fertiliser buckets of planting usefulness.

[other second embodiments]

In the above-described embodiment, as separative element 146 illustrations situation about constituting by reticulate body 146a, but be not limited thereto, for example, separative element 146 is made of perforated metal (perforated metal), perhaps forms cyclone separator structure the powder body is separated with carrying wind, perhaps, can make the elongated travel direction conversion of air supplying distance in the exhaust duct 142 etc., the energy that electric blower 140 is discharged disappears, thereby most powder body is on the way fallen because of deadweight.

[other the 3rd embodiments]

In addition, using reticulate body 146a etc. to have under the situation of structure of ventilation hole as separative element 146, be not limited to and utilize reticulate body 146a to catch whole powder bodies, can catch the powder diameter more than prescribed level powder and it is separated, separate the small powder body of diameter and be released to other paths with carrying wind.

[other the 4th embodiments]

In the above-described embodiment, show the structure that in branched pipe 143, is equipped with path transfer valve 144 for the row unit as the air-supply of discharge pipe 142 being supplied with or discharged air-supply, this path transfer valve 144 switches to the side in feed path side and the discharge path side with the path and makes the wind of supplying with from the air taking port 140 of electric blower 140 be supplied to this side, but be not limited thereto, for example, can electric blower 140 be set respectively in carrying pipe 141 sides and discharge pipe 142, by making and each pipe 141,142 relative electric blowers 140 single movement are respectively supplied with or are discharged.

[other the 5th embodiments]

In said embodiment, illustration make as the switch valve 147 of stream switch element and give as air-supply the row unit path transfer valve 144 operation via bindiny mechanism 148 with as being handled upside down the structure that the operation of thing interflow with the switch operating mechanism 138 of the tabular spool 138a of switch element links to each other, but be not limited to illustrative operating sheet 148a, 148d, connecting rod 148b, 148e or motion arm 148c as bindiny mechanism 148, can adopt various forms such as connecting lead or electrical connecting unit.

In addition, can not adopt such syndeton, independently to operating for the path transfer valve 144 of row unit, a part be connected as the switch valve 147 of stream switch element with as air-supply by independent respectively operation.

[other the 6th embodiments]

Be not limited to structure in being arranged on terminal pipe 142C shown in the aforementioned embodiments like that as being arranged on switch valves 147 in the discharge pipe 142, as shown in figure 42, switch valve 147 can be arranged among the first last short tube 142A (the perhaps second short tube 142B) that the person in charge 142f of terminal pipe 142C partly connects.

Has following advantage in this case, promptly, make tube portion down in the person in charge 142f part of terminal pipe 142C around the tubular axis heart rotation of the first short tube 142A (the perhaps second short tube 142B) of upstream side, can regulate the lowering position of the powder body of discharging from end pipe 142C.In this structure, lid 142g is swung up and down around the horizontal direction axle center.In addition, this end pipe 142C integral body can be loaded and unloaded with respect to the last first short tube 142A (the perhaps second short tube 142B) of upstream side.

And, can use the different types of pipe shorter than other the first short tubes 142A that is positioned at its upstream side (the perhaps second short tube 142B) as the last first short tube 142A that described switch valve 147 is set (the perhaps second short tube 142B).

[utilizability on the industry]

Powder supply device of the present invention shown in the enforcement mode like that, can the as fertilizer sources feedway be contained at running vehicle body and be used for riding type rice transplanter. In addition, not only can supply with fertilizer, also can consist of the device of supplying medicament, medicine feeding apparatus is loaded on the running vehicle body for the medicament dissemination apparatus. Perhaps, also can use powder supply device of the present invention as the device of supplying with seed rice, consist of direct seeder.

In addition, be not limited to paddy-field-working usefulness, can use powder supply device of the present invention as the device of the bulk materials such as fertilizer, medicament or seed rice of in dry land, taking a walk.

Claims (10)

1. material for agriculture feedway has from stockpiling portion and supplies with the feed mechanism of the material for agriculture that is stockpiled to assigned position, it is characterized in that,

This material for agriculture feedway is provided with the drive member that drives described feed mechanism, and constitute the size of setting the material for agriculture quantity delivered of described feed mechanism according to the size of the driving stroke of the efferent of described drive member, and the efferent of described drive member is connected with described feed mechanism, between the input part of described drive member and described efferent, the swing fulcrum is set, and is provided with swing position of the fulcrum change unit so that change along the length direction of described drive member the position of described swing fulcrum drives described drive member and swing.

2. material for agriculture feedway as claimed in claim 1 is characterized in that,

Described swing position of the fulcrum change unit constitutes the position that to the utmost point approaching described efferent is moved in the position that can make described swing fulcrum.

3. material for agriculture feedway as claimed in claim 1 or 2 is characterized in that,

Described swing position of the fulcrum change unit includes position mobile member that moves and the adjusting operating parts that drives this mobile member that makes described swing fulcrum, described adjusting operating parts constitutes to disconnect with being connected of described mobile member and pulls down, and perhaps can fold and take in.

4. powder supply device, it is characterized in that, constitute and the thing that is handled upside down that is made of the powder body can be sent respectively to feed path and discharge path, this feed path is to carry the path that is handled upside down thing that is made of the powder body by eolian transportation, this discharge path is the path different with feed path, carries by what the powder body constituted by eolian transportation and is handled upside down thing; And have and to carry wind and to be handled upside down the separative element that thing separates in described discharge path side.

5. powder supply device as claimed in claim 4 is characterized in that, separative element is made of the member with size ventilation hole littler than the particle diameter that is handled upside down thing.

6. powder supply device as claimed in claim 4 is characterized in that, the carrying direction terminal part that constitutes the discharge pipe of discharge path can partly load and unload or carry out the position change with respect to the discharge pipe of carrying direction upstream side.

7. powder supply device as claimed in claim 4, it is characterized in that, having air-supply gives the row unit and is handled upside down thing interflow switch element, this air-supply is used for carrying wind is supplied with or discharged to discharge path for the row unit, this is handled upside down thing interflow usefulness switch element in the many places of described discharge path, is arranged on to make to be handled upside down each upstream side position that thing collaborates the usefulness path, interflow in carrying wind; Described air-supply is given the operating portion of row unit and describedly is handled upside down the thing interflow is arranged on described discharge path with the operating portion of switch element carrying terminal part side.

8. powder supply device as claimed in claim 4, it is characterized in that, in the discharge pipe that constitutes discharge path, upstream side on the air supply direction of separative element, and in discharge pipe with respect to the downstream of carrying wind be handled upside down place, thing interflow more be provided with the stream switch element by the carrying downstream, carry out handover operation between the mobile state in state that this stream switch element can flow in the carrying wind direction downstream in allowing discharge pipe and the carrying wind direction downstream in the restriction discharge pipe.

9. powder supply device as claimed in claim 8 is characterized in that, the stream switch element is by constituting approximately perpendicular to the carrying direction that is handled upside down thing and around the rotary valve of horizontal axis rotation.

10. powder supply device as claimed in claim 4, it is characterized in that, the carrying top portion that is provided with discharge pipe supplies with or discharges the air-supply of carrying wind to the row unit, and the many places in discharge pipe, be handled upside down thing and collaborate in the interflow of carrying in the wind to be provided with and be handled upside down thing and collaborate to use switch element making with each upstream side position in path, can operate above-mentioned air-supply together gives the row unit and is handled upside down thing interflow switch element, the feasible stream " locked in " operation that is accompanied by the stream switch element in carrying downstream is operated described air-supply and is collaborated to switch to the state that can blow together with switch element in discharge pipe to arranging the unit and being handled upside down thing.

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