CN203219723U

CN203219723U - Harvester

Info

Publication number: CN203219723U
Application number: CN 201320091246
Authority: CN
Inventors: 南照男
Original assignee: Kubota Corp
Current assignee: Kubota Corp
Priority date: 2012-02-28
Filing date: 2013-02-28
Publication date: 2013-10-02
Anticipated expiration: 2023-02-28
Also published as: CN203851487U; JP2013176319A

Abstract

The utility model provides a harvester. A retractable actuator for enabling a harvested product storage tank to swing is firmly supported under the condition of not enlarging a frame and the like. According to the harvester, a bearing part (74) arranged at the upper-end position of a first frame in a longitudinal posture is used for supporting the harvested product storage tank (4) in a way that the harvested product storage tank (4) freely swings around a swinging mandrel (Q); a second frame (72) in an inclined posture is arranged between the upper end part of the first frame (71) and a body frame (A); and a cylinder part (17A) of a hydraulic cylinder (17) is connected with the second frame (72), and a piston rod part (17B) of the hydraulic cylinder (17) is connected with the harvested product storage tank (4).

Description

Reaping machine

Technical field

The utility model relates to a kind of reaping machine that possesses frame unit and actuator, described frame unit has for the harvested product storage box of storage by the harvested product of results portion results, and this harvested product storage box is supported in swing freely, to discharge harvested product by the swing of described harvested product storage box from the upper opening of described harvested product storage box, described actuator makes described harvested product storage box swing.

Background technology

Reaping machine as said structure, put down in writing following structure in the patent documentation 1, that is, the harvested product storage box is supported to, can utilize the storage box output mechanism with respect to body lifting and rotation, and possess the actuator (being the rotation cylinder body in the document) that this harvested product storage box is rotated.In this structure, the elongation action by actuator makes the harvested product storage box vert from reception position, thereby realizes discharging collecting article from the harvested product storage box.

Patent documentation 1:(Japan) spy opens the 2007-43957 communique

Make the swing of harvested product storage box in the driving force by actuator, and the upper opening of this harvested product storage box is discharged in the reaping machine of harvested product towards the side, consideration is swung the upper end that is bearing in the scaffold of vertically setting up upward from organism frame freely with the harvested product storage box, and actuator is configured between harvested product storage box and the organism frame.

In addition, use hydraulic cylinder as actuator in hypothesis, front end and the harvested product storage box of the piston rod of this hydraulic cylinder are linked, and during the structure that cylinder bottom and organism frame side are linked, can imagine, because the big load effect during the hydraulic cylinder elongation, the coupling position that hydraulic cylinder and organism frame are linked is out of shape or causes damage.

Make under the situation of harvested product storage box swing in the driving by hydraulic cylinder as described above, also finely tune, namely by hydraulic cylinder being moved slightly regulate the swing attitude of harvested product storage box, because when this is finely tuned, the weight of harvested product storage box acts on organism frame repeatedly, so cause described damage easily.

Also consider to improve the intensity of organism frame in order to eliminate this unfavorable condition, but improved leeway causing organism frame to exist aspect maximizing, gaining in weight.

The utility model content

The purpose of this utility model is, reasonably constitutes the reaping machine that supporting securely makes the concertina type actuator of harvested product storage box swing under the situation that does not cause maximizations such as framework.

The utility model is a kind of reaping machine, it has the harvested product storage box of the harvested product that storage gathered in the crops by results portion, and possess: frame unit, this harvested product storage box is supported in its swing freely, thereby discharges harvested product by the swing of described harvested product storage box from the upper opening of described harvested product storage box; Actuator, it makes described harvested product storage box swing; This reaping machine is characterised in that, described harvested product storage box is swung the upper end position that is supported on described frame unit freely centered by the swinging axle core, described actuator has the structure that pars contractilis is arranged on the turnover parts at main part, and with the main part of this actuator or a lower end side part that is supported on described frame unit in the pars contractilis, another is supported on described harvested product storage box.

According to this structure, because with the main part of actuator and a lower end side part that is supported on frame unit in the pars contractilis, and another is supported on the harvested product storage box, therefore, realize the swing of harvested product storage box by the elongation of actuator.In addition, when actuator extends, the frame unit of supporting harvested product storage box is in via actuator and bears the swing that is accompanied by the harvested product storage box and the state of the load that produces, and therefore, can suppress to cause the organism frame distortion of reaping machine or the unfavorable condition of damaging.

Therefore, can be constructed as follows reaping machine, that is, under the situation that does not cause maximizations such as framework, support the concertina type actuator that makes the swing of harvested product storage box securely.

The utility model also can make described frame unit constitute to comprise: first framework, and it vertically is built up on the organism frame of this reaping machine; Second framework, it is attached at the upper end of this first framework of binding and the position of described organism frame.

Thus, frame unit is that the upper end of first framework and second framework is connected to each other and constitute, and therefore, compares with the structure of for example using single sheet material to constitute frame unit, can realize lightweight and support the harvested product storage box securely.

The utility model can make in the main part of described actuator or the pars contractilis be supported on described second framework, and another is supported on described harvested product storage box.

Thus, therefore distolateral second framework that is supported on lateral attitude of actuator, can also make actuator dispose in the mode along near the position of second framework.

The utility model can make described frame unit be configured in and clip two positions of described harvested product storage box, and in the space in the middle of the frame unit of these two positions reinforced frame is set, and this reinforced frame links each frame unit and described organism frame.

Thus, at two frame units of the position configuration that clips the harvested product storage box, and utilize reinforced frame that it is linked, therefore, can stably support the harvested product storage box keeping under two frame units state that the position concerns toward each other.

The utility model can also make described actuator with cylinder body portion as main part, and the piston rod portion that will be supported on cylinder body portion elastically is as pars contractilis, thereby constitutes hydraulic cylinder.

Thus, can use hydraulic cylinder to realize the swing of harvested product storage box, this hydraulic cylinder can carry out expanding-contracting action by the control of the oil of working.

The utility model can also possess guide plate, the harvested product channeling conduct of this guide plate to discharging from upper opening by the swing of described harvested product storage box.

Thus, discharge from upper opening under the situation of harvested product making the swing of harvested product storage box, can utilize guide plate guiding harvested product, and harvested product is discharged along prescribed direction.

The utility model can also make described guide plate be supported to, and can switch the guiding attitude by the attitude set mechanism.

Thus, discharge from upper opening under the situation of harvested product making the swing of harvested product storage box, can set the discharge direction of harvested product by the guiding attitude of switching guide plate arbitrarily.In addition, in harvest operation, use under the situation of guide plate, can be accommodated the attitude that does not hinder operation.

Description of drawings

Fig. 1 is the end view of the integral body of expression maize harvesting machine;

Fig. 2 is the vertical view of the integral body of expression maize harvesting machine;

Fig. 3 is the vertical view of the structure of expression organism frame;

Fig. 4 is the end view of the structure for conveying of expression results portion and feedway leading section;

Fig. 5 is the end view of expression feedway rearward end, chopping treating apparatus and harvested product storage box;

Fig. 6 is the cutaway view of the position relation of expression results roller and ring-type carrier chain;

Fig. 7 is the end view of expression storage box framework, harvested product storage box and hydraulic cylinder;

Fig. 8 is the rearview of harvested product storage box;

Fig. 9 is the cutaway view that is in the guide plate of reception position and guiding position;

Figure 10 is the end view that expression is in the harvested product storage box of discharging attitude;

Figure 11 is the guide plate of other embodiments of expression (a) and the end view of attitude set mechanism;

Figure 12 is the guide plate of other embodiments (a) and the rearview of attitude set mechanism;

Figure 13 (a) and (b) are end views of manner of execution of the attitude set mechanism of other embodiments of expression (a);

Figure 14 is the guide plate of other embodiments of expression (b) and the end view of attitude set mechanism;

Figure 15 is the guide plate of other embodiments (b) and the rearview of attitude set mechanism;

Figure 16 is the end view of manner of execution of the attitude set mechanism of other embodiments of expression (b);

Figure 17 is the end view of structure of the attitude set mechanism of other embodiments of expression (c);

Figure 18 is the end view of manner of execution of the attitude set mechanism of other embodiments of expression (c).

Description of reference numerals

4 harvested product storage boxes

The 4A upper opening

17 actuators (hydraulic cylinder)

17A main part (cylinder body portion)

17B pars contractilis (piston rod portion)

71 first frameworks

72 second frameworks

73 reinforced frames

76 guide plates

The A organism frame

B results portion

Q swinging axle core

T attitude set mechanism

Embodiment

Below, based on description of drawings embodiment of the present utility model.

(summary of overall structure harvest operation)

Fig. 1 and Fig. 2 represent the maize harvesting machine as an example of reaping machine.This maize harvesting machine has front vehicle wheel 1 in the forward position of organism frame A, has rear wheel 2 in rear positions, has passenger cabin 3 in the forward position of organism frame A.In addition, have the B of results portion in the front portion of organism frame A, and have the feedway C that the corn that will be gathered in the crops by the B of this results portion is transported to the back upper place.In this maize harvesting machine, have the harvested product storage box 4 of organism frame A rear end, and have residual stalk treating apparatus D in the centre position of front vehicle wheel 1 and rear wheel 2.

As shown in Figure 3, organism frame A has the structure that the pair of right and left main frame 6 of front and back, edge extension, canopy frame 7, former moving portion framework 8, storage box framework TF are linked, described canopy frame 7 is arranged on eminence to support described passenger cabin 3 in the forward position of organism frame A, former moving portion framework 8 is at the fore-and-aft direction middle position supporting engine of main frame 6 etc., and storage box framework TF is in the rear positions supporting harvested product storage box 4 of main frame 6.Engine 10 is bearing on the former moving portion framework 8 at the middle position of main frame 6, be supported with the front-wheel drive case 11 of front vehicle wheel 1 transmission of drive force to the left and right in the forward position of main frame 6, the rear positions of main car frame 6 have make that left and right sides rear wheel 2 carries out go to action turn to driving mechanism 12.

Driving force from engine 10 is delivered to front-wheel drive case 11 via the transmission mechanism 13 that travels.In addition, the fore-and-aft direction middle position at main frame 6 has the performance box 14 of driving force to harvest operation system assignment and transmission.Driving force is delivered to performance box 14 from engine 10 via operation transmission mechanism (not shown).Maize harvesting machine is formed with the transmission mechanism to the B of results portion, feedway C and residual stalk treating apparatus D transmission of drive force from performance box 14.

Though be not described in detail structure, but residual stalk treating apparatus D has a plurality of broken swords is configured in the structure that the treatment box inside opened wide forms downwards with respect to the driving shaft of lateral attitude, and carry out following processing, namely, driving by driving shaft is rotated, utilize broken sword to cut off and broken residual stalk, it is spread to soil.

The transmission mechanism 13 that travels has the annular belt of transferring power, and has belt tension formula (the ベ Le トテ Application ショ Application) clutch that travels (not shown) that power is interrupted by the tension force of setting this annular belt.Identical therewith, operation transmission mechanism (not shown) has the annular belt of transferring power, and has the belt tension formula operation clutch (not shown) that power is interrupted by the tension force of setting this annular belt.Because this structure can travel the body that travels by the push operation (going into the り operation) of the clutch that travels, and can drive the results B of portion, feedway C, residual stalk treating apparatus D etc. by the push operation of operation clutch.

Passenger cabin 3 has windshield 21 at front surface, opens and closes at sidepiece to have car door 22 freely.Internal configurations at passenger cabin 3 has driver's seat (not shown) and the steering operation spare (not shown) of taking Operation Van, turns to driving mechanism 12 with the steering operation of steering operation spare is controlled rear wheel 2 linkedly.In the left side of canopy frame 7, have on-and-off ladder 24, this on-and-off ladder 24 changes attitude freely centered by the bolster 23 of longitudinal attitude.This on-and-off ladder 24 has following common structure, that is, form stepped in the position of the side plate clamping of both sides a plurality of pedals.By this structure, make on-and-off ladder 24 outwards outstanding the driver up and down the time, and when non-use, be set to following the attitude of taking in of sailing the body fore-and-aft direction and use.

As the corn of plant, in results periods, in bearing, vertical stem stalk is surrounded by a plurality of spike things of a plurality of fruits.Contain a plurality of seeds (as the corn of cereal) in the bract inside of this spike thing, this seed forms in the mode of the outer surface that is arranged in stock core.In the utility model, be called under the situation of corn, refer to that the periphery at stock core has the harvested product of a plurality of seeds (concrete example of harvested product).

In this maize harvesting machine, when harvest operation, the driving by front vehicle wheel 1 is travelled the body that travels, and by the steering operation spare of operation passenger cabin 3 inside, thereby the driving mechanism 12 that turns to of control rear wheel 2 turns to control.In addition, when harvest operation, be transported to harvested product storage box 4 by the corn of the B of results portion results to supply with device C certainly, and put into inner mode from the upper opening 4A of this harvested product storage box 4 and store.When these results, stay stem stalk in the field by residual stalk treating apparatus D break process.

Harvested product storage box 4 is centered by the swinging axle core Q of lateral attitude, swing is bearing on the body that travels freely, and the driving as the hydraulic cylinder 17 of actuator of the both sides by being disposed at this harvested product storage box 4 freely switches to discharge attitude towards the rear from making upper opening 4A towards the attitude of taking in of top.The details of this harvested product storage box 4 will describe later.

(results portion)

The B of results portion swings the forward position that is bearing in the body that travels freely centered by the lifting shaft core P of lateral attitude, and drives lifting by hydraulic up-down hydraulic cylinder 31.

As Fig. 1～shown in Figure 6, the B of this results portion is formed with along horizontal three row's lead-in paths side by side, has pair of right and left results roller 32 in the position that clips each lead-in path, the position has pair of right and left ring-type carrier chain 33 at an upper portion thereof, and has separating plate 34 in the above-below direction centre position of above-mentioned results roller 32 and ring-type carrier chain 33.In addition, in the rear position of a plurality of results rollers 32 and a plurality of ring-type carrier chains 33, has the auger 35 that corn is transferred to horizontal middle position.And, having feedway C at the left and right directions middle position of the body that travels, this feedway C is lateral attitude, thus the corn that will be transplanted on the lateral center position of auger 35 is carried to the back upper place.

Results roller 32 rotates centered by the rotating shaft core of the attitude parallel with lead-in path and is supported freely, has the thin 32A of auger portion of front end in front position, and more has a plurality of results blade 32B by the periphery of rear side than the 32A of this auger portion.Ring-type carrier chain 33 is formed with a plurality of projections, and is wound on the rearward sprocket of the forward sprocket of forward position and rear positions.In addition, drive the anterior position that driving box 37 that results roller 32 and the driving by rearward sprocket drive ring-type carrier chain 33 is configured in auger 35.Auger 35 is accommodated in the auger case 36, is formed with packing auger blade body 35A in periphery.

By being delivered to driving box 37 and auger 35 from the driving force of described performance box 14, the a pair of results roller 32 that is configured in the position that clips the input path is driven in rotation along the direction shown in the arrow among Fig. 6, make ring-type carrier chain 33 along lead-in path rearward (auger side) be recycled driving, and drive auger 35, thereby utilize the packing auger blade body 35A center side conveying corn of direction to the left and right.

Because this structure, be directed at the stem stalk under the situation of lead-in path, the results blade 32B continuation effect of results roller 32 pulls the power of stem stalk downwards, and the corn that forms spike at the stem stalk is contacted with the upper surface of separating plate 34, and this corn is separated from the stem stalk upwards to break the mode of getting off with the fingers and thumb.So the corn that separates utilizes the packing auger blade body 35A of auger 35 to the width central authorities conveying of the body that travels at ring-type carrier chain 33, and is supplied to feedway C.

(feedway)

As Fig. 4 and shown in Figure 5, feedway C constitutes, and across the drive sprocket 41 of front and the driven sprocket 42 ground coiling supply chains 43 of rear end side, setting a plurality of delivery boards 44 of arranged spaced, and they is installed in the feedway case 45 on this supply chain 43.This feedway C is the device that works as supplying with conveyor device, rearward end at feedway case 45 is formed with the outlet 45A that opens wide downwards, and having dust exhausting fan E at the downside of feedway case 45, this dust exhausting fan E utilizes blast to blow away the part of the blade of discharging from this outlet 45A with corn and the part of stalk etc.In addition, the rear end of feedway case 45 is opened wide to the bearing of trend of the throughput direction that the supply conveyer limits, at this unlimited position, have at the extended line of the throughput direction of supply chain 43 handled things such as relatively large blade and stalk are shredded the chopping treating apparatus F of processing.

Dust exhausting fan E has a plurality of wind feeding blades bodies 53 with fan shaft 52 unitary rotation of lateral attitude in the inside of fan case 51, and the air that will attract from the side of fan case 51 by the rotation of wind feeding blades body 53 passes out to the back upper place from the 52A of air channel portion that arrange continuously with fan case 51.In this dust exhausting fan E, transmit to fan shaft 52 from the driving force of performance box 14, be set to from the transport direction of the air of the 52A of air channel portion, discharge the direction of direction quadrature with the corn of the outlet 45A of feedway case 45.

Chopping treating apparatus F has the conveying roller 56 with a pair of conveying axis 55 unitary rotation that are configured in upper-lower position, has rotary cutter 58 in the cutter shaft 57 that is disposed at its rear position, near the periphery of this rotary cutter 58, have fixed cutting tool 59, and they are accommodated in the treatment box 60.A pair of conveying axis 55 and cutter shaft 57 position relation configuration to be parallel to each other under lateral attitude.

Feedway C is formed with and makes the band transmission of transmitting to the fan shaft 52 of dust exhausting fan E from the driving force of performance box 14.In addition, feedway C is formed with the band transmission from the fan shaft 52 of dust exhausting fan E to a pair of conveying axis 55 and cutter shaft 57 transmission of drive force, and constitutes and make dust exhausting fan E driven linkedly with chopping treating apparatus F.

Because this structure when harvest operation, is discharged and is stored in the harvested product storage box 4 in the mode that falls into the upper opening 4A of harvested product storage box 4 from outlet 45A by the corn that feedway C carries.In addition, vanelets and the stalk of sneaking in the corn are blown away by the blast from dust exhausting fan E when discharging from outlet 45A, can not fall into the upper opening 4A of harvested product storage box 4.In addition, after handled things such as the relatively large blade of being carried by feedway C and stalk are transported to the rear in the mode between a pair of conveying roller 56 that is clipped in chopping treating apparatus F, between rotary cutter 58 and fixed cutting tool 59, shredded, this mince is discharged to the back upper place in the abandoned mode of the rotatory force of utilizing rotary cutter 58, thereby can not fall into the upper opening 4A of harvested product storage box 4.

(harvested product storage box)

As Fig. 1～Fig. 3 and Fig. 7～shown in Figure 10, storage box framework TF links a pair of transverse extension framework 67 in front and back and longitudinal tensile strain framework 68 that the outer end position of this transverse extension framework 67 is connected to each other, thereby constitutes rectangle when overlooking.Upper surface in the rear positions of the left and right sides longitudinal tensile strain framework 68 of this storage box framework TF vertically sets up first framework 71, and has and the upper end of this first framework 71 and the concrete structure of longitudinal tensile strain framework 68(organism frame A) second framework 72 of the lateral attitude that links of upper surface.In addition, storage box framework TF has the reinforced frame 73 of lateral attitude, this reinforced frame 73 be attached at about the position that links of the central portion upper surface of transverse extension framework 67 of the upper end of first framework 71 and rear portion side.

As concrete structure, be set with the first carriage 71A at the upper surface of the back-end location of longitudinal tensile strain framework 68, the lower end of first framework 71 and this first carriage 71A are linked.In addition, the upper surface in the centre position of longitudinal tensile strain framework 68 is set with the second carriage 72A, and the lower end of second framework 72 and this frame support bracket 75 are linked.And, be set with auxiliary bracket 73A at the upper surface of the middle position of the transverse extension framework 67 of rear end side, the lower end of reinforced frame 73 and this auxiliary bracket 73A are linked.Need to prove, the frame structure that is used for supporting harvested product storage box 4 is not limited thereto, also the lower end of first framework 71 can be directly fixed on the upper surface of longitudinal tensile strain framework 68 by technology such as welding, identical therewith, the lower end of second framework 72 can be directly fixed on the upper surface of longitudinal tensile strain framework 68, also the lower end of reinforced frame 73 can be directly fixed on the upper surface of transverse extension framework 67.

About the upper end position of first framework have bearing portion 74, the outstanding axial region 4B that arranges is supported on this bearing portion 74 to harvested product storage box 4 sides.Particularly, have the intensive aspect 4S of the attitude of extending forwards, backwards in the outside of the left and right sides of harvested product storage box 4 sidewall, described axial region 4B is towards the outstanding back-end location that is arranged on this intensive aspect 4S of foreign side.In addition, the straight line of the bearing portion 74 about binding (consistent with the straight line that links left and right sides axial region 4B) is as swinging axle core Q.

This first framework 71 and second framework 72 constitute frame units, an example of the 17A(of the cylinder body portion main part of hydraulic cylinder 17) the lower end swing be supported on supporting mass 72B freely, described supporting mass 72B is fixedly installed on the upper surface of the bottom of second framework 72.In addition, the intensive aspect 4S of the relative harvested product storage box 4 of support unit 4T is fixedly set in the side, an example of the 17B(of the piston rod portion pars contractilis of hydraulic cylinder 17) front end swing be supported on this support unit 4T freely.

That is to say, make the frame unit that is constituted by first framework 71 and second framework 72 be configured in organism frame A back-end location about two positions, and at each frame unit outfit hydraulic cylinder 17, thereby hydraulic cylinder 17 is configured in from the position of left and right sides clamping harvested product storage box 4.In addition, reinforced frame 73 is configured in the intermediate space of left and right sides frame unit, thereby left and right sides frame unit and organism frame A are linked.In this structure, can be by left and right sides hydraulic cylinder 17 be set at contraction state and harvested product storage box 4 is maintained storage attitude shown in Figure 7, and can make these hydraulic cylinder 17 elongations that harvested product storage box 4 is swung by the driving of left and right sides hydraulic cylinder 17, thereby be set at discharge attitude shown in Figure 10 centered by swinging axle core Q.

Hydraulic cylinder 17 uses the hydraulic cylinder of single-acting type, can at random set elongation by the control valve (not shown) of control work oil is operated.In addition, by from this hydraulic cylinder 17 discharge work oil harvested product storage box 4 being maintained the storage attitude, be set to discharging attitude by supply work oil.Particularly, can also be when discharging corn, the fine setting that hydraulic cylinder 17 is moved slightly.

In addition, in the present embodiment, frame unit is made of first framework 71 and second framework 72, but also can use the single plate-shaped member with first framework 71 and second framework, the 72 integrated shapes that form to constitute frame unit.In addition, also can the 17A of cylinder body portion be configured in that the 17B of piston rod portion is configured in downside and use hydraulic cylinder 17 under the attitude of upside.In addition, the actuator as making 4 swings of harvested product storage box can use the equipment that carries out expanding-contracting action as electronic cylinder by electric power, as this actuator, also can use the hydraulic cylinder 17 of double-acting type.

Employing is supported on second framework 72 with the lower end of the 17A of cylinder body portion of hydraulic cylinder 17 and with the front end of the 17B of piston rod portion of this hydraulic cylinder 17 and the structure of harvested product storage box 4 bindings.By adopting this structure, under the situation that harvested product storage box 4 is swung, realize the high supporting of bearing strength with the state of the weight to frame unit effect harvested product storage box 4 from hydraulic cylinder 17 centered by swinging axle core Q.

(guide plate)

As Fig. 8, shown in Figure 9, have at the outer surface of the rear wall 4C of harvested product storage box 4, can freely switch to outstanding upward guiding position and move to the guide plate 76 of the reception position of below.When making harvested product storage box 4 swing corn for example being discharged to the railway carriage of trailer as illustrated in fig. 10 from upper opening 4A, even this guide plate 76 also plays the effect that utilizes guide plate 76 guiding corns under the railway carriage GA of distance trailer G situation far away.

That is to say to have guide rail 77 in the both sides of the rear wall 4C of harvested product storage box 4, make the two side portions of guide plate 76 be supported on this guide rail 77, support guide plate 76 freely thereby move up and down.The upper end of the control panel 78 of spring steel utilizes rivet etc. and this guide plate 76 to link, and is formed with handle portion 78A in the bottom of this control panel 78 by bending machining.Mid portion at this control panel 78 has to the side-prominent lock pin 79 of the rear wall of harvested product storage box 4, on the locking plate 80 that is fixedly set in rear wall 4C, can be formed on two positions up and down with the locking hole 80A that lock pin 79 cards end, get loose.

By this structure, make under the situation that guide plate 76 slides upward at the state that is in the reception position shown in Fig. 9 (a) from guide plate 76, the operator carries out following operation, namely, hold handle portion 78A and to away from the operation of the direction of rear wall 4C, under the state that makes control panel 78 strains, lock pin 79 is extracted from locking hole 80A.Afterwards, the operator carries out following operation, that is, operation upward under the state of the handle portion 78A that is being in one's hands makes guide plate 76 more outstanding than the upper opening 4A of harvested product storage box 4, and shown in Fig. 9 (b), lock pin 79 inserted the locking hole 80A of upside.Thus, in that lock pin 79 is inserted under the state of locking hole 80A, utilize the elastic restoring force of control panel 78 to keep fastening state, guide plate 76 is remained on the guiding position shown in Fig. 9 (b).

(action effect of embodiment)

Thus according to the utility model, vertically set up pair of right and left first framework 71 that is longitudinal attitude at the back-end location of organism frame A, have the upper end that is attached at first framework 71 with lateral attitude and second framework 72 between the longitudinal tensile strain framework 68 in the both sides of the body that travels, thereby the formation frame unit, the bearing portion 74 that therefore can suppress first framework, 71 upper end positions direction forwards, backwards moves.In addition, with being compared as the situation of frame unit, single sheet material can reach weight reduction.And, since have be attached at lateral attitude about the upper end of first framework 71 and the reinforced frame 73 between the transverse extension framework 67, so the bearing portion 74 that can suppress first framework, 71 upper end positions to the left and right direction move.

In this structure, owing to utilize frame unit harvested product storage box 4 is swung supporting freely centered by swinging axle core Q, and between the side of this frame unit and harvested product storage box 4, has hydraulic cylinder 17, therefore, when the elongation action of hydraulic cylinder 17, can directly utilize frame parts to bear the load that acts on from 4 pairs of hydraulic cylinders of harvested product storage box 17.According to this structure, for example, compare with utilizing to bear from the structure of the load of hydraulic cylinder 17 by the organism frame A that welding waits and frame unit links, can not cause the unfavorable conditions such as damage of linking portion, realized firm supporting.

Because the rear wall 4C with respect to harvested product storage box 4, make progress from upper opening 4A and to have guide plate 76 free to advance or retreatly, therefore, when harvest operation, guide plate 76 is set in reception position, thereby do not hinder the vanelets of sending the wind discharge of the dust exhausting fan E that is supplied to device C and the discharge that stalk leans on blast, identical therewith, do not hinder from the discharge of the mince of chopping treating apparatus F discharge yet.Afterwards, when discharge is stored in the corn of harvested product storage box 4, by guide plate 76 being set in the guiding position, become guide plate 76 guiding from the state that the upper opening 4A of harvested product storage box 4 discharges corn, corn can be discharged to the position away from upper opening 4A.

(other embodiments)

Except above-mentioned embodiment, the utility model can also be constructed as follows structure.

(a) as Figure 11～shown in Figure 13, be provided with the bolster 85 of lateral attitude at an end of guide plate 76, the both ends of bolster 85 are bearing on the carriage 86 that is fixedly set in harvested product storage box 4, thereby guide plate 76 is set to, can by with the switching shaft core R of bolster 85 coaxial core centered by freely switch attitude.In these other embodiments (a), has attitude set mechanism T, the swing interlock of this attitude set mechanism T and harvested product storage box 4, thus guide plate 76 is changed into the guiding attitude of taking in attitude and switching to the guiding attitude shown in Figure 13 (b) shown in Figure 11.

Attitude set mechanism T constitutes to have: intermediate pulley 87, and it is configured in the top, side of harvested product storage box 4; Analog bracket 88, it is located at the upper end of first framework 71; End bracket 89, its swing of being located at guide plate 76 is distolateral; Metal wire 90, one end and analog bracket 88 link, and the other end and end bracket 89 link, and be middle by intermediate pulley 87 guiding.

Because this structure, in the driving by hydraulic cylinder 17 harvested product storage box 4 is swung under the situation of discharging attitude, move along with this swing the position of intermediate pulley 18, guide plate 76 utilizations act on the tension force of metal wire 90 and swing centered by switching shaft core R, are set to the guiding attitude shown in Figure 13 (b) via the attitude shown in Figure 13 (a).Thus, in other embodiments (a), by harvested product storage box 4 is set at the discharge attitude, can automatically guide plate 76 be set at the guiding attitude, by making harvested product storage box 4 revert to original storage attitude, guide plate 76 can be set at and take in attitude.

(b) as Figure 14～shown in Figure 16, identical with described other embodiments (a), in these other embodiments (b), the bolster 85 of lateral attitude is set at an end of guide plate 76, the both ends of bolster 85 are bearing on the carriage 86 that is fixedly set in harvested product storage box 4, thus with guide plate 76 be set to can by with the switching shaft core R of bolster 85 coaxial core centered by freely switch attitude.In addition, also have attitude set mechanism T, the swing interlock of this attitude set mechanism T and harvested product storage box 4, thus guide plate 76 is changed into the guiding attitude of taking in attitude and switching to guiding attitude shown in Figure 16 shown in Figure 14.

Attitude set mechanism T constitutes outfit: fixed chain wheels 92, and itself and swinging axle core Q are supported on first framework 71 on same axle core and in the mode that can not rotate; Action sprocket wheel 93, it is to be located at the outer end of bolster 85 with the mode of bolster 85 unitary rotation; Closed chain 94, it is reeled across fixed chain wheels 92 and action sprocket wheel 93 ground.In this attitude set mechanism T, the action sprocket wheel 93 the number of teeth be set at fixed chain wheels 92 the number of teeth 1/2.

According to this structure, in the driving by hydraulic cylinder 17 harvested product storage box 4 is swung under the situation of discharging attitude, action sprocket wheel 93 revolves round the sun mobile centered by swinging axle core Q along with this swing, action sprocket wheel 93 moves along with this and utilizes from tension force rotation centered by switching shaft core R of closed chain 94 effects.In addition, harvested product storage box 4 is being switched under the situation of discharging attitude from storing attitude, harvested product storage box 4 is roughly swung 90 degree centered by swinging axle core Q.Relative therewith, though guide plate 76 is swinging about 180 degree when attitude switches to the guiding attitude from taking in, because the gear ratio of the number of teeth of fixed chain wheels 92 and action sprocket wheel 93 is set to the guiding attitude so guide plate 76 can be swung significantly.Thus, in other embodiments (b), by harvested product storage box 4 is set at the discharge attitude, can automatically guide plate 76 be set at the guiding attitude, by making harvested product storage box 4 revert to original storage attitude, guide plate 76 can be set at and take in attitude.

(c) as shown in figure 17, first framework 71 about the axis body 96 that can also utilize lateral attitude is supported on guide plate 76 swings freely, and be provided with the pair of links body 97 that this guide plate 76 is remained the attitude of rearward stretching out, thereby guide plate 76 is constituted and can freely swing by manual operation.According to such structure, can be under the situation of storage attitude in harvested product storage box 4, be set at the swinging end that makes guide plate 76 towards the attitude of taking in of below, and as shown in figure 18, can harvested product storage box 4 be swung under the situation of discharging attitude, utilize gonnecting rod body 97 to keep outstanding attitude, the swinging end that this gonnecting rod body 97 is operated into guide plate 76 by manual operation is outstanding outstanding attitude rearward.

Switch attitude as described above, can under the situation of discharging harvested product from harvested product storage box 4, utilize guide plate 76 guiding harvested products.In addition, pair of links body 97 swing links freely, and has end swing is linked with first framework 71 freely, makes the other end and the guide plate 76 swings structure of binding freely.Be under the state of taking in attitude at guide plate 76, pair of links body 97 is bending state, guide plate 76 is under the situation of outstanding attitude, by manual operation pair of links body 97 is set at linear state, thereby utilize retainer 97A to remain linear state, guide plate 76 is maintained outstanding attitude.

(d) as attitude change mechanism, the driving force that for example can also constitute actuators such as utilizing electro-motor or hydraulic motor is carried out the switching of reception position (taking in attitude) and guiding position (guiding attitude).

The utility model can be applicable to the reaping machine that makes the swing of harvested product storage box and change to discharge harvested product by attitude.

Claims

1. reaping machine, its have storage by results portion (B) results to the harvested product storage box (4) of harvested product, and have: frame unit, this harvested product storage box (4) is supported in its swing freely, thereby discharges harvested product by the swing of described harvested product storage box (4) from the upper opening (4A) of described harvested product storage box (4); Actuator, it makes described harvested product storage box (4) swing;

This reaping machine is characterised in that,

Described harvested product storage box is swung the upper end position that is supported on described frame unit freely centered by swinging axle core (Q),

Described actuator (17) has the structure that pars contractilis (17B) is arranged on the turnover parts at main part (17A), and with the main part (17A) of this actuator (17) or a lower end side part that is supported on described frame unit in the pars contractilis (17B), another is supported on described harvested product storage box (4).

2. reaping machine according to claim 1 is characterized in that,

Described frame unit constitutes and comprises: first framework (71), and it vertically is built up on the organism frame (A) of this reaping machine; Second framework (72), it is attached at the upper end (71) of this first framework of binding and the position of described organism frame (A).

3. reaping machine according to claim 2 is characterized in that,

One in the main part (17A) of described actuator (17) or the pars contractilis (17B) is supported on described second framework (72), and another is supported on described harvested product storage box (4).

4. reaping machine according to claim 2 is characterized in that,

Described frame unit is configured in two positions that clip described harvested product storage box (4), and in the space in the middle of the frame unit of these two positions reinforced frame (73) being set, this reinforced frame (73) links each frame unit and described organism frame (A).

5. reaping machine according to claim 3 is characterized in that,

6. according to each described reaping machine in the claim 1～5, it is characterized in that,

As main part (17A), and the piston rod portion (17B) that will be supported on cylinder body elastically is as pars contractilis (17B) with cylinder body portion (17A) for described actuator (17), thereby constitutes hydraulic cylinder (17).

7. according to each described reaping machine in the claim 1～5, it is characterized in that,

Possesses guide plate (76), the harvested product channeling conduct of this guide plate (76) to discharging from upper opening (4A) by the swing of described harvested product storage box (4).

8. reaping machine according to claim 6 is characterized in that,

9. reaping machine according to claim 7 is characterized in that,

Described guide plate (76) is supported to, and can switch the guiding attitude by attitude set mechanism (T).

10. reaping machine according to claim 8 is characterized in that,