CN101179926B - Riding type rice transplanter - Google Patents
Riding type rice transplanter Download PDFInfo
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- CN101179926B CN101179926B CN2006800181373A CN200680018137A CN101179926B CN 101179926 B CN101179926 B CN 101179926B CN 2006800181373 A CN2006800181373 A CN 2006800181373A CN 200680018137 A CN200680018137 A CN 200680018137A CN 101179926 B CN101179926 B CN 101179926B
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 34
- 235000009566 rice Nutrition 0.000 title claims abstract description 34
- 240000007594 Oryza sativa Species 0.000 title abstract description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000009184 walking Effects 0.000 claims description 104
- 241000209094 Oryza Species 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 13
- ZMRUPTIKESYGQW-UHFFFAOYSA-N propranolol hydrochloride Chemical compound [H+].[Cl-].C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 ZMRUPTIKESYGQW-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005267 amalgamation Methods 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
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Abstract
A riding type rice transplanter enabling secure working when a worker operates a traveling frame from the ground, comprises a front wheel differential device switchable between a differential gear operating state in which the rotating power of an engine is uniformly distributed to right and left front wheels and a differential gear lock state in which the right and left front wheels are rotated integrally with each other. An upper column (46) having a steering wheel at its upper end and a lower column (45) are formed to be longitudinally bendable through a tilt mechanism (47). When the forward tilted upper column (46) is bent to a contained angle of a prescribed value or lower relative to the lower column (45), an interlocking mechanism (67) interlocking with that action operates to bring the front wheel differential device in the differential gear lock state.
Description
Technical field
The present invention relates to a kind of riding type rice transplanter, this riding type rice transplanter can be towards front and back constitutes steering column to warpage ground, so that selectively from the walking fuselage and carry out the steering operation of front-wheel from walking fuselage the place ahead.
Background technology
In the past, there is such riding type rice transplanter, this riding type rice transplanter is when carrying out common rice transplanting operation, can take under the state of walking fuselage the operator and carry out steering operation towards the direction of advancing, on the other hand, in the occasion that transporting equipments such as getting over ridge or relative truck loads or unloads, the operator can operate the fuselage of walking under the state under the walking fuselage.As such riding type rice transplanter, a kind of like this formation is disclosed in patent documentation 1, wherein, the rear portion side of the walking fuselage of 4 wheel drive is carried engine and gearbox in front and back, the upright following operating axis of being located at the framework of walking fore-body is connected by the universal coupling with inclination fulcrum with the last operating axis that the steering wheel that will be used for front-wheel steer is installed on the upper end, can change to tilt forward and back angle.
In patent documentation 1, in can be freely to rotate, have adorned the lower end of the tube (post) of operating axis, a plurality of recesses are formed at the upside periphery that is fixed to above-mentioned inclination fulcrum stationary cam nearby.On the other hand, at the upright inner face of being located at the hood of walking fore-body, tilt-lock lever can be set up and down pivotally, this tilt-lock lever by spring towards the below application of force, the teat that is based in this tilt-lock lever down selectively is fitted in above-mentioned a plurality of recess, like this, the posture of top rake of above-mentioned tube that can remain appropriate change.In addition, form the slotted hole of above-mentioned tube fore-and-aft direction elongation that can pass through, that follow away fuselage at hood.Tilt-lock lever is towards outstanding near the backward directions of taking in the operator of walking fuselage.
In addition, in patent documentation 1, be provided with the main clutch pedal in the side of hood of walking fore-body.The operator sits on the seat at the position of ratio steering wheel after more leaning on of walking fuselage, when this main clutch pedal is tramped with one's feet following time by the operator, cuts off the transmission of power from the engine to the gearbox.In addition, disclose such formation, that is,, made the front end of auxiliary rod more extend to the place ahead (with reference to Fig. 1) than the walking fuselage at the fixing base portion of auxiliary rod of the arm of above-mentioned main clutch pedal.
Constitute according to this, the operator is taking under the state of walking fuselage, and down in the ground in the place ahead of walking fuselage, but all the steering operation of travel direction dish and main clutch be connected rupturing operation.
Patent documentation 1: No. 2574680 communique of Japan Patent (with reference to Fig. 1, Fig. 4 and Fig. 5)
Yet, formation according to patent documentation 1, in the transmission mechanism of front-wheel drive, has the front-wheel differential gear, the rotary motive power of engine is assigned to left and right sides front-wheel equably, so, for the situation on some field or its ground, field nearby, the left and right sides either party of front-wheel may be skidded, and can not successfully get over the ridge culture industry.
Summary of the invention
The present invention makes in order to solve above-mentioned former problem, its purpose is to provide a kind of riding type rice transplanter, for this riding type rice transplanter, the operator is following on the ground, at the preceding steering operation that can carry out of fuselage of walking, and apply the start of differential locking at the front-wheel differential gear, can guarantee the reliability of operation on the ground.
In order to achieve the above object, the riding type rice transplanter of the present invention of technical scheme 1 record has the power parts such as walking fore-body configuration engine of pair of right and left front-wheel and trailing wheel, liftably connect seedling-transplanting device at the walking fuselage afterbody, at above-mentioned walking fore-body, allocation position than above-mentioned engine more leans on the upright ventrally lower prop that turns to usefulness of establishing above-mentioned front-wheel, this lower prop can connect the upper prop with steering wheel shaft and steering wheel towards the fore-and-aft direction warpage ground of walking fuselage relatively, wherein: surrounding the preceding hood of above-mentioned engine and above-mentioned post at least, the above-mentioned upper prop peristome crossed of square tube forward is set, at above-mentioned upper prop setting and its movable lid that moves towards front and back integratedly, this movable lid is from least a portion of the above-mentioned U word shape peristome of the above-mentioned preceding hood of outer side covers, the connecting portion of lower prop is provided for changing and keeping the posture maintaining body of the warpage posture of above-mentioned upper prop on above-mentioned, and the control member of above-mentioned posture maintaining body is along with the angle of revolution of above-mentioned upper prop towards the place ahead becomes greatly, change the relative angle of relative upper prop, can rotating auxiliary lid in above-mentioned movable lid setting, make the aforesaid operations member be connected to the inner face of this auxiliary lid.
The invention that is recorded in technical scheme 2 is in the riding type rice transplanter that is recorded in technical scheme 1, at the gearbox of being located at above-mentioned walking fuselage, be provided with differential lock for two front-wheels about above-mentioned, and has link gear, this link gear and above-mentioned upper prop make above-mentioned differential lock action in linkage towards the warpage action in the place ahead of above-mentioned walking fuselage, when above-mentioned upper prop during towards the place ahead warpage of above-mentioned walking fuselage, angle as the axis of the axis of lower prop and upper prop is below the predetermined value, and then above-mentioned link gear makes above-mentioned differential lock action.
The invention that is recorded in technical scheme 3 is in the riding type rice transplanter that is recorded in technical scheme 2, has steering wheel locking mechanism, when above-mentioned upper prop during towards the place ahead warpage of above-mentioned walking fuselage, angle as the axis of the axis of lower prop and upper prop is below the predetermined value, and then this steering wheel locking mechanism stops the revolution of above-mentioned steering wheel.
The invention that is recorded in technical scheme 4 is in the riding type rice transplanter that is recorded in technical scheme 1, peristome is set near the above-mentioned front-wheel of the body gate on cover above-mentioned walking fuselage or the above-mentioned trailing wheel, constitute above-mentioned peristome, the feasible operator who is positioned at the place ahead of above-mentioned walking fuselage can observe above-mentioned front-wheel or above-mentioned trailing wheel by above-mentioned peristome.
The invention that is recorded in technical scheme 5 is in the riding type rice transplanter that is recorded in technical scheme 4, at the peristome nearby of being located at above-mentioned trailing wheel partition wall is set, the operator in this partition wall and the place ahead that is positioned at above-mentioned walking fuselage is to the sight line almost parallel of above-mentioned trailing wheel in lateral plan.
Invention according to technical scheme 1 record, get over the ridge or climb up through the plate that tilted from the road and mounting during when making riding type rice transplanter to truck, from the operator (operator) that gets off of walking fuselage around the place ahead to the walking fuselage, make then steering wheel near the place ahead of the fuselage of walking make upper prop lean forward (warpage).And be provided for changing and keeping the posture maintaining body of the warpage posture of upper prop, the control member of this posture maintaining body increases towards the angle of revolution in the place ahead along with above-mentioned upper prop and changes the relative angle of relative upper prop, so, under the operator,, can easily implement to make of the operation of the upper prop of band steering wheel on the ground towards the place ahead inclination of walking fuselage to the occasion of the walking fuselage being operated.Have again, the control member of above-mentioned posture maintaining body is provided with explicitly with the auxiliary lid of the front portion of relative above-mentioned movable lid, so, the occasion of under the operator, the walking fuselage being operated to the ground, when the upper prop that makes the band steering wheel during towards operation that walking fuselage the place ahead tilts, need not have the effect that can reduce number of components at movable lid setting operation member separately.
According to the invention of technical scheme 2 records, with the warpage action interlock of above-mentioned upper prop, differential lock start, about two front-wheels turn round integratedly, the phenomenon that only one-sided front-wheel skids does not take place, so, play the effect that can positively get over the ridge culture industry, be loaded into the operation of truck.And can select differential locking actuator state (with the tailor-made moving state of handle lock) and non-differential lockup state (with the tailor-made moving state of non-handle lock) by the degree of the forward lean of upper prop, when making upper prop significantly during forward swing, above-mentioned differential lock start, the differential locking start of two front-wheels about becoming, on the contrary, when the angle of the axis of the axis of the lower prop of above-mentioned upper prop during towards walking fuselage the place ahead warpage and upper prop is predetermined value when above, become non-differential lockup state; Therefore, the operator can select the forward lean of upper prop corresponding to the state (whether muddy) in field, the operating condition of walking fuselage (rice transplanter), improves the operability of rice transplanter.
Invention according to technical scheme 3 records, the angle of the axis of the lower prop when making above-mentioned upper prop and the axis of upper prop towards the place ahead warpage of above-mentioned walking fuselage be below the predetermined value under the state of forward swing, to make its revolution even grasp steering wheel, also locked, about two front-wheels fix (locking) and directly advancing direction.Therefore, not can by ground convexo-convex, inclined-plane steering wheel is turned round from wheel side, can further improve the rectilinear propagation energy of rice transplanter, simultaneously, need not firmly fix steering wheel in order to prevent the steering dish.
Invention according to technical scheme 4 records, when the operator under the state of walking under the fuselage when operate in fuselage the place ahead, can confirm the rotational angle, position, state on every side of front-wheel or trailing wheel etc. on one side,, have the effect that improves operability Yi Bian carry out steering operation.
Invention according to technical scheme 5 records, at the peristome nearby of being located at above-mentioned trailing wheel partition wall is set, in end view, the operator in this partition wall and the place ahead that is positioned at above-mentioned walking fuselage is to the sight line almost parallel of above-mentioned trailing wheel, so the incline direction of above-mentioned partition wall becomes trailing wheel and splashes the direction that the direction of mud etc. is intersected towards above-mentioned peristome, stops the mud from trailing wheel to pass through peristome by partition wall, so, can prevent mud splash body gate above.In addition, has the effect that the operator observes trailing wheel easily.
Description of drawings
Fig. 1 is the side view of riding type rice transplanter of the present invention.
Fig. 2 is the plane of riding type rice transplanter.
Fig. 3 is the perspective view of walking fuselage of pulling down the state of body gate etc.
Fig. 4 is gearbox, engine, front axle housing, the turning part left surface figure of fore-body of walking that grades.
Fig. 5 is the side view that the state that fascinates of upper prop is shown.
Fig. 6 is the perspective view that the link gear of differential locking is shown.
Fig. 7 is the perspective view that differential locking-device and link gear thereof are shown, and the inside of the part of gearbox is shown with section.
Fig. 8 is the front elevation that the link gear of leaning device, posture maintaining body and differential locking is shown.
Fig. 9 is the left surface figure of leaning device.
Figure 10 is the perspective view of leaning device and posture maintaining body.
Figure 11 is the enlarged perspective that leaning device and posture maintaining body are shown.
Figure 12 is the related perspective view that control member and auxiliary lid etc. are shown.
Figure 13 is the plane that the internal mechanism of gearbox is shown.
Figure 14 is for watching the perspective view of walking fuselage from top, the place ahead.
Figure 15 is the plane at body gate rear portion.
Figure 16 is the Zoom Side sectional view at body gate rear portion.
The explanation of symbol
The 1a main truss
The secondary framework of 1b
2 gearboxes
3 walking frameworks
4 front axle housings
5 rear axle housings
7 seedling-transplanting devices
16 body gates
The anterior pedal of 16a
16b rear portion pedal
16c middle part pedal
The peristome that roughly is U word shape in 16e, the 16f plan view
The 16g partition wall
20 turn to lower shaft
21 engines
23 change upward axis
24 steering wheels
29 walkings drive system
30PTO drives system
31 Poewr transmission mechanisms
38 gear type gears
40 output shafts
41 power transmission shafts
45 lower props
46 upper props
47 leaning devices
48 posture maintaining bodies
66 differential locking-devices
67 link gears
Embodiment
Best form of implementation of the present invention is described with reference to the accompanying drawings.As Fig. 1～as shown in Figure 3,4 walking fuselages of planting the riding type rice transplanter of formula of this form of implementation have main truss 1a and secondary framework 1b.Main truss 1a connects gearbox 2 by the metal walking framework 3 by the front and back elongation and constitutes with rear axle housing 5, and this gearbox 2 is stationary engine 21 in the above, and at the left and right sides face front axle housing 4 is installed.Secondary framework 1b connects by the left and right sides that rectangular cylinder or framework component cylindraceous is disposed at above-mentioned main truss 1a and constitutes (with reference to Fig. 2 and Fig. 3).
Rear end at main truss 1a liftably connects seedling-transplanting device 7 by the parallel linkage 6 that is made of upper and lower strut.Seedling-transplanting device 7 is former known mechanism, that is, what comprise that pair of right and left plants transmission case 11, seedling carrying stand 12, hull 13 and band seedling pawl plants mechanism 14; This pair of right and left is planted transmission case 11 and is passed through universal coupling 10 transferring power from PTO axle 9, and this PTO axle 9 is outstanding backwards from gearbox 2; The configuration of leaning forward of this seedling carrying stand 12, the upper end is near the rear portion of walking fuselage; This hull 13 be disposed at respectively plant transmission case 11 below; The mechanism 14 of planting of this band seedling pawl is installed on the left and right sides of respectively planting transmission case 11, on one side oscilaltion between the lower end of field face and seedling carrying stand 12, from seedling carrying stand 12, the seedling pad is planted with being divided into 1 strain, 1 strain on one side.Be located at the lifting of the rear end of main truss 1a and install explicitly, can make seedling-transplanting device 7 carry out large-scale lifting moving with hydraulic pressure 15 and parallel linkage 6.
In addition, the plastic body gate 16 from top covering main truss 1a and secondary framework 1b mainly is installed on secondary framework 1b.On this pair framework 1b, seat body 17 is installed on from the upright seat fulcrum of establishing of secondary framework 1b.In its place ahead, preceding hood (hood) 19 is fixed in the top front portion of body gate 16.
In body gate 16, follow away more the keep left position in right two outsides of anterior pedal 16a that the direct of travel of fuselage extends than the left and right sides of mmi machine cover 19, configuration is used for the preparation seedling platform 18 (seeing figures.1.and.2) of a plurality of preparation seedling of mounting pad.Each prepares the pillar of seedling platform 18 and establishes from secondary framework 1b is upright.
The inside of mmi machine cover 19, configuration front end above gearbox 2 described later is edge-on establish turn to lower shaft 20, engine 21 and fuel tank 22 etc.Commentaries on classics upward axis 23 is connected in by universal coupling 27 and turns to lower shaft 20, and the commentaries on classics upward axis (steering wheel shaft) 23 that steering wheel 24 has been installed in the upper end can constitute towards the fore-and-aft direction warpage of walking fuselage (tiltable).The upright top front portion of being located at gearbox 2 of lower prop, and surround the periphery that turns to lower shaft 20, upper prop 46 surrounds the periphery of changeing upward axis 23, is provided with leaning device 47 and by multistage the posture maintaining body 48 of posture maintenance is carried out (with reference to Fig. 3～Fig. 6) in its angle of inclination at the upper end and 46 of the upper props of lower prop 45.
In addition, before hood 19 top left and right sides central portion for face side from it between front end by otch space that form, that in plan view, be roughly U word shape, this space by with change the movable lid 25 that upward axis 23 one move forward and backward and can cover by connected pivotally up auxiliary lid 26.
At gearbox 2, turning to of will being used to turn to is loaded in the driving mechanism 28 in its front portion, from the middle part to the rear portion in, interior dress with transmission of power to walking drive be 29 and PTO to drive be 30 Poewr transmission mechanism 31 (with reference to Figure 13).Gearbox 2 portion halfway forms stage portion, and in lateral plan, the height of the front portion of the upper face side of gearbox 2 is low, increases from the middle part to the rearward height.In this stage portion, with the foot of the smooth engine mounting member 32 of bolt, this engine mounting member 32 is across left and right directions on gearbox 2.The base portion of stationary engine 21 on engine mounting member 32 (crankcase portion) disposes the piston cylinder shell of this engine 21 obliquely towards the back upper place.Also can be by vertical stationary engine 21.Output shaft 33 and the power shaft 34 that is projected into fore-and-aft direction middle part one side of gearbox 2 at engine 21, before being provided with the known band tension type main clutch 35a of mechanism, belt pulley 33a, 34a as belt gear, belt 35, transferring power, from power shaft 34 with the Poewr transmission mechanism 31 of transmission of power in the gearbox 2.
At Poewr transmission mechanism 31, have the gear type gear 38 of change from the rotating speed of power shaft 34.From the transmitter shaft 37 of gear type gear 38 by having walking brake 37a with the half front axle 39 of transmission of power to band front-wheel differential gear (differential attachment) 39a, by bevel gear 37b transmission of power is arrived output shaft 40, this output shaft 40 is used for transmission of power to trailing wheel (with reference to Figure 13).Therefore, when making walking brake 37a start, apply braking at front-wheel 4a and trailing wheel 5a.The base portion of a 4b of portion that grows crosswise of front axle housing 4 with bolt in the side of gearbox 2, from being disposed at half front axle 39 in this 4b of portion that grows crosswise with the axletree of transmission of power to front-wheel 4a.On the other hand, output shaft 40 is projected into the right flank of gearbox 2 backwards, is delivered to power transmission shaft 41 from output shaft 40 by universal coupling, with transmission of power to the rear axle housing 5 (with reference to Fig. 1 and Figure 13) that drives system as walking that rear wheel is driven.
On the other hand, has the PTO axle of giving prominence to from the rear end of gearbox 2 by the PTO clutch from gear type gear 38 9 (with reference to Fig. 1) backwards.
Walking framework 3 is warpage side plate 3b down from the left and right sides of top panel 3a, and the cross section be the Contraband font of opening down (with reference to Fig. 3).To walk from the outside front portion of framework 3 covers rear portion side the left and right sides face of gearbox 2, by connecting bolt 53 from about will the walk biside plate 3b of framework 3 of two outside along continuous straight runs securely be connected in the side of gearbox 2.In addition, the rear portion side of the top panel 3a of walking framework 3 securely is connected to a pair of bracket part (not shown) of giving prominence to from the top of the central shell portion of rear axle housing 5 up with the connecting bolt (not shown).In addition, the fin 3c of the left and right sides of walking framework 3 securely is connected to from the outstanding forward a pair of bracket part 56 (with reference to Fig. 3) in the front portion of the central shell 5b of portion with connecting bolt.
PTO axle 9 is configured to the inside of above-mentioned walking framework 3, by the rear end that is positioned at walking framework 3, be installed to the bearing portion (not shown) supporting of the central shell 5b of portion top.Power transmission shaft 41 follows away the outside of the right flank of framework 3 and extends, and is connected to the axle of front of the central shell 5b of portion of rear axle housing 5.
Below, explanation can make upper prop 46 towards front and back the leaning device to warpage, this leaning device selectively makes steering wheel 24 that upper prop 46 arrives upper props 46 upper ends near the back position of the seat body 17 ground orientation of handling with towards the position of the front side warpage of walking fuselage.The position by the rear portion in preceding hood (hood) 19 inside of synthetic resin system (or fiberglass-reinforced plastic system) is fixed to fuel tank 22 from the upright framework of establishing of main truss 1a.
The upright regularly lower prop 45 of establishing tubular of front above the gearbox 2 of the front portion of hood 19 before being positioned at, this lower prop 45 in configuration from this gearbox stand establish turn to lower shaft 20.Turn to the upper end of lower shaft 20 to be connected by universal coupling 27 flexible ground with the lower end of steering wheel shaft 23, this steering wheel shaft 23 has been installed the steering wheel 24 that is used to turn in the upper end.Steering wheel shaft 23 can be installed in the upper prop 46 freely to rotate.
This hook-type universal coupling 27 is former known structure, for example, the a pair of part and the two forked 20a of fork-shaped portion that turn to lower shaft 20 upper ends that connect the side in opposite directions of criss-cross connector 27a by pin pivotally, on the other hand, by pin the opposing party's in opposite directions of two forked 23a of fork-shaped portion of closure dish axle 23 lower ends and connector 27a a pair of part pivotally.According to this formation, the angle theta 1 (with reference to Fig. 9) of axis that turns to the axis of lower shaft 20 and steering wheel shaft 23 is during for certain angle following (for example roughly following about 110 degree), two 20a of fork-shaped portion, 23a interfere (contact), so, the turning power of steering wheel shaft 23 can not be delivered to and turn to lower shaft 20, become so-called steering wheel locking state.
In addition, the upper end of lower prop 45 can be connected front and back by leaning device 47 with the lower end of the upper prop of tubular 46 with fascinating, periphery at leaning device 47 is provided with posture maintaining body 48 (with reference to Fig. 6 Figure 11), and this posture maintaining body 48 carries out posture by multistage angle of inclination to upper prop 46 (and then to above-mentioned angle) and keeps.
Leaning device 47 only can make the pair of right and left carriage 47a that is fixed in lower prop 45 upper ends by horizontal pivot 47c and be fixed in the bottom of these upper prop 46 peripheries towards the fore-and-aft direction of direct of travel of walking fuselage pair of right and left carriage 47b changes, in other words, upper prop 46 tiltables are connected in lower prop 45 (with reference to Fig. 6～Figure 11) (warpage moves).
As Fig. 6～as shown in Figure 11, posture maintaining body 48 is arranged with the fastening groove 60 (illustrating with symbol 60a, 60b, 60c respectively) of in the position suitable position spaced in front and back, a plurality of (being 3 positions) in form of implementation by the upper surface at the off-centre operation arcuation of the lateral plate of above-mentioned carriage 47a, be supported on the transverse axis 48a of the back dististyle 47d of above-mentioned bracket 47b pivotally, be fixed in the engage hook 48b of the end of this transverse axis 48a, be wound in transverse axis 48a, down (direction of engagement of fastening groove 60) the force application spring (not shown) of the engage hook 48b application of force is constituted; When upper prop 46 is altered to predetermined hypsokinesis or during the angle that leans forward, engage hook 48b selectively joins arbitrarily in the fastening groove 60 at a plurality of positions to, thereby can regulate and keep the posture of fascinating of this upper prop 46.
In form of implementation, as shown in Figure 5, upper prop 46 may be selected to be towards the rear of walking fuselage the 1st posture I of (plumb line roughly tilt toward the clockwise direction 30 degree) relatively, from the 1st posture I roughly the 2nd posture II of 60 degree that lean forward towards walking fuselage the place ahead in the counterclockwise direction, and from above-mentioned the 1st posture I roughly the 3rd posture III of 88 degree that lean forward significantly towards walking fuselage the place ahead in the counterclockwise direction.Be in the occasion of the 1st posture I, the fastening groove 60a of the rear side during engage hook 48b is embedded in above the bottom bracket 47a at upper prop 46.At upper prop 46 is the occasion of the 2nd posture II, the fastening groove 60b of middle position before and after engage hook 48b is engaged in, and in the occasion of the 3rd posture III, engage hook 48b is fitted to the fastening groove 60c of front side.
On the other hand, the left and right sides central portion of mmi machine cover 19 is formed on face side from it to the peristome 61 (with reference to Fig. 5) that forms with otch between front end, roughly be U word shape in the plan view.This peristome 61 is covered by movable lid 25 that moves forward and backward integratedly with upper prop 46 and the auxiliary lid 26 that is connected with movable lid 25 pivotally.Movable lid 25 and auxiliary lid 26 are similarly made by synthetic resin or are made by fiberglass-reinforced plastic with preceding hood 19.Auxiliary lid 26 can be provided with the front of movable lid 25 up and down as the center pivotally.That is, as Fig. 3 and as shown in Figure 11, from the bottom of upper prop 46 up the front end of outstanding frame support bracket member 46a regularly towards horizontally set support column 62.On the other hand, will be fixed in the pair of right and left axial region 63a of the control member that is also used as reinforcement 63 auxiliary lid 26 back sides, warpage formation Contraband font, be inserted into the two ends (with reference to Figure 11) of above-mentioned support column 62 pivotally.
Therefore, when by predetermined angular the surface of lower end side the past hood 19 of assisting lid 26 and then making control member 63 being turned round with leaving up, the elastic force of resistance force application spring makes the leading section of engage hook 48b disengageably turn round (unlocking) from the 1st fastening groove 60a by connecting rod 64, arm 65, so, after this under the state (the lower end side inner face sliding-contact of auxiliary lid 26 is in the state of the lateral border of the peristome 61 of preceding hood 19) that hand leaves from auxiliary lid 26, operator grasps steering wheel 24 can be transferred to the 2nd posture II from above-mentioned the 1st posture I.Under the 2nd posture II, the leading section of engage hook 48b is engaged in the 2nd engaging groove 60b.In order further to move towards the 3rd posture III, by predetermined angular auxiliary lid 26 (control member 63) is turned round up once more, after unlocking, when steering wheel 24 when square neck is oblique forward, the leading section of engage hook 48b is engaged in the 3rd fastening groove 60c.Upper prop 46 is leaned forward significantly towards the place ahead of walking fuselage.
In this form of implementation, make horizontal pivot 47c from the center that becomes inclination (warpage action) to the fastening groove 60a that is arranged with a plurality of positions (being 3 positions) form of implementation in bottom bracket 47a outer peripheral face, 60b, the distance of the bottom surface of 60c becomes the earth successively and sets, so, be engaged in the comparing of auxiliary lid 26 (control member 63) of the occasion of the 1st fastening groove 60a with the leading section of engage hook 48b to lower angle, in the occasion that joins the 2nd fastening groove 60b to, auxiliary lid 26 (control member 63) becomes the posture (posture that preceding hood 19 leaves from peristome 61) that its lower end more is projected into walking fuselage the place ahead, in the occasion that joins the 3rd fastening groove 60c to, auxiliary lid 26 (control member 63) becomes its lower end towards the outstanding more posture in walking fuselage the place ahead (peristome 61 of hood 19 leaves more posture) in the past.
When upper prop 46 is in the 1st posture I, auxiliary lid 26 is such shown in the solid line of Fig. 1, posture for cardinal principle vertical configuration under the state of the front of the peristome 61 of hood 19 before covering in intimate contact, in the lateral plan of riding type rice transplanter, the back side almost parallel of the axis of upper prop 46 and auxiliary lid 26, and the steering wheel 24 that auxiliary lid 26 lower ends turn to relatively leaves more.
Under the state (with reference to the solid line state of Fig. 5) of the 2nd posture II, the axis of upper prop 46 and the angle that the back side became of auxiliary lid 26 narrow to form roughly about 160 degree, and the lower end of auxiliary lid 26 is than the state of the 1st posture I direction of closing dish 24 more.In other words, the angle of the back side that becomes auxiliary lid 26 (control member 63) and vertical direction be roughly about 48 degree and the lower end of auxiliary lid 26 (control member 63) near the operator's who is positioned at the fuselage the place ahead of walking state.
Be positioned at the place ahead by a larger margin than the front end of walking fuselages and the 3rd posture III (with reference to the two chain-dotted line states of Fig. 5) that tilts at steering wheel 24, the angle that the back side constituted of the axis of upper prop 46 and auxiliary lid 26 narrows to roughly about 110 degree, and the lower end of auxiliary lid 26 is than the state of the 2nd posture II direction of closing dish 24 more.In other words, the back side of auxiliary lid 26 (control member 63) and the angle of vertical direction be for roughly about 90 degree, and the lower end of auxiliary lid 26 (control member 63) gives prominence to by the approximate horizontal state towards the place ahead of walking fuselage, becomes more the state near the operator.
Therefore, when the ground that the operator is positioned at walking fuselage the place ahead implements to fall the car operation, when the operation that makes upper prop 46 forward swings, has the effect of operator's the auxiliary lid 26 of the easier arrival of hand.
The operation that this auxiliary lid 26 is leaned forward only can be carried out when the operator is positioned at the ground in walking fuselage the place ahead, in other words, take under the state of walking fuselage can not tilt (warpage action) the operator, so, the problem that maloperation causes does not take place, and can guarantee the reliability of operation on the ground.
In addition, taking in the walking fuselage, the operator can carry out steering operation to riding type rice transplanter, in addition, from can be when being positioned at walking fuselage the place ahead under the walking fuselage, holding the steering wheel 24 that turns to and make riding type rice transplanter get over the ridge from the field or change the operation that is downloaded to truck on the ground operator.
In addition, because auxiliary lid 26 is located at the leading section of movable lid 25, so, can when being positioned at walking fuselage the place ahead, carry out tilt adjustment more simply to operator on the ground down.When being in the 1st posture I of manipulation seat 17 directions on the walking fuselage for upper prop 46, cover the peristome 61 of preceding hood 19 fully by movable lid 25 and auxiliary lid 26, so the air drag during walking also can reduce, rain, dust can not enter in the preceding hood 19.
The following describes differential locking-device (said differential lock in the claim) 66 and link gear (device) 67; This differential locking-device 66 is used for making front-wheel differential gear 39a carry out differential locking (differential restriction) in linkage with making steering wheel 24 (and then making upper prop 46) This move that fascinates towards walking fuselage the place ahead; Fascinate before this link gear 67 and the above-mentioned steering wheel 24 and make these differential locking-device 66 starts (operation of differential locking) in linkage.The differential back side with pinion 71 of differential locking-device 66 in the gear-box 70 of front-wheel differential gear 39a is provided with engagement cam 72, around the rotating effect pin 74 of axis the driving cam 73 of the half front axle 39 that only can be embedded in a side is slided by the interior other places that runs through gearbox 2 with being free to slide.When driving cam 73 is engaged in engagement cam 72, about half front axle 39,39 can be by identical torque actuated (being the start of differential locking).On the contrary, by the engage releasing of driving cam 73, can bring into play the differential action (with reference to Fig. 7, Fig. 8 and Figure 11) of front-wheel differential gear 39a with engagement cam 72.
On the other hand, in the outside of a side's of lower prop 45 upper ends carriage 47a, the revoliving arm 75 of the link gear 67 of link-type by transverse axis 76 can before and after supporting pivotally.On a lateral plate 75a of this revoliving arm 75, in the position than the more forward side of front end face of an above-mentioned side's carriage 47a, prominent establishing outstandingly towards universal coupling 27 the place aheads done untie-sell 77 (with reference to Fig. 6～Fig. 9).Connect the lower end of revoliving arm 75 and be installed on the actuation arm 78 that 74 upper ends are sold in above-mentioned effect by connecting rod 79.When upper prop 46 is turned round forward, angle (angle in the claim) as the axis of the axis of lower prop 45 and upper prop 46 is below the predetermined value, then depress and do untie-sell 77 (with reference to two chain-dotted lines of Fig. 9) by the front of the bottom bracket 47b of the lower end, a side of being fixed in this upper prop 46, like this, the lower end side of revoliving arm 75 is towards the rear side revolution of walking fuselage, and connecting rod 79 moves backwards.Like this, make effect pin 74 around the axis revolution by actuation arm 78, driving cam 73 joins engagement cam 72 to.Like this, constitute the link gear 67 of link-type.
According to above-mentioned formation, get over the ridge or climb up through the plate that tilted from the road and mounting during when making riding type rice transplanter to truck, from the operator (operator) that gets off of walking fuselage around the place ahead to the walking fuselage, make then steering wheel 24 near the place aheads of the fuselages of walking upper prop 46 is leaned forward.When making upper prop 46 lean forward (warpage) as shown in Figure 5 to significantly when left end side is carried out the posture (the 3rd posture III) of forward swing, above-mentioned differential locking-device 66 starts, about two front-wheel 4a, 4a turn round integratedly, the phenomenon that the front-wheel of folk prescription only skids does not take place, so, can positively implement to get over the ridge culture industry, carry an operation changing of truck.At this moment, as described above because can be at the position of universal coupling 27 performance steering wheel locking action, so, to turn round even grasp steering wheel 24, also locked, about two front-wheel 4a, 4a be fixed (locking) to directly advancing direction.Therefore, can further improve the rectilinear propagation energy of rice transplanter.Under the state of above-mentioned the 2nd posture II, the 1st posture I, above-mentioned effect of differential locking and steering wheel locking action can not be realized.
Like this, can select differential locking actuator state (and steering wheel actuator state) and non-differential locking actuator state (and the tailor-made state that moves of non-handle lock) according to the degree of the forward lean of upper prop 46, so, the operator can be corresponding to the state (whether muddy) in field, the operating condition of walking fuselage (rice transplanter), select the forward lean of upper prop 46, improve the operability of rice transplanter.
(the fuselage left side in form of implementation when the operator who is sitting in seat body 17 watches) configuration coupled pole 49 and main shift lever 50 in a side of upper prop 46; This coupled pole 49 side by side implement Running System main clutch connect from the braking that power transmission shaft 37 is applied; This main shift lever 50 is used for gear type gear 38 handover operations of gearbox 2 to advancing 2 grades, neutral shelves and retreat 1 grade; At the descending operation bar 51 (as shown in Figure 3) that another side of upper prop 46 (being the right side of this fuselage in form of implementation) configuration drives hydraulic cylinder 15, this hydraulic cylinder 15 is used to make seedling-transplanting device 7 to carry out lifting.These bars 49,50,51 can with upper prop 46 integratedly towards front and back to changing the posture related setting in ground.That is, the base portion of bar 49～51 is installed in lateral plan and is located on the upper prop 46 peripheries carriage nearby etc.
Respectively by having the bar 49～51 (with reference to Fig. 6, Fig. 8 and Fig. 9) that is connected correspondence on flexible outer guide pipe and the drag-line operating means 80,81,82 that inhaul constitutes.The operating portion of gearbox 2 sides omits diagram.The leading section of each bar 49～51 (operator's holding part) side is in the outside of movable lid 25.
The link gear 67 of differential locking-device 66 can be realized by the drag-line operating means that is made of outer guide pipe and inhaul certainly relatively.
Below, the formation of body gate 16 is described with reference to Figure 14～Figure 16.As shown in Figure 14, anterior pedal 16a, 16a about the left and right sides of body gate 16 mmi machine covers 19 has, rear at the vehicle seat of seat body 17 has rear portion pedal 16b, forwardly have middle part pedal 16c between pedal 16a, 16a and rear portion pedal 16b, form the essentially rectangular in plan view.Rear portion pedal 16b is connected with this middle part pedal 16c by the connecting portion 16d that more rises to the back upper place than middle part pedal 16c, and the left and right sides of this connecting portion 16d forms the dashboard of relative left and right sides trailing wheel 5a, 5a.Here, body gate 16 is integrally formed by injection molding forming by synthetic resin, can realize the minimizing of its lighting, number of components, the raising of the operation when assembling.
At above-mentioned body gate 16, about peristome (or notch) 16e, 16e be located near left and right sides front-wheel 4a, the 4a of each anterior pedal 16a, 16a.Each the peristome 16e forwardly top of the front-wheel 4a of pedal 16a is configured to more past fuselage inboard than this front-wheel 4a, from the operator (operator that gets off of walking fuselage, when the operator) ground, front position that makes steering wheel 24 be turned back to fuselage the place ahead by leaning device 47 in the place ahead that is positioned at this walking fuselage, is as described above operated, can observe the rear portion of left and right sides front- wheel 4a, 4a by peristome 16e, 16e, can confirm its left and right directions towards, position and peripheral state etc.Simultaneously, each peristome 16e is positioned at the occasion of walking on the fuselage 2 the operator, can observe the front portion of front-wheel 4a, can confirm the state etc. of direction, position and the periphery thereof of its left and right directions.
For above-mentioned peristome 16e, 16e, in the present embodiment, since about the peripheral part of each anterior pedal 16a, 16a be positioned at front- wheel 4a, 4a roughly directly over, so, inwards become peripheral part that thin head ground should front portion pedal 16a, 16a from fuselage outer side and be cut into roughly V word shape plan view.Like this, the aperture area that makes the peristome 16e, the 16e that are located at body gate 16 front portions is necessary least limit, and the dashboard function that can prevent relative front-wheel 4a, the 4a of this front portion pedal 16a, 16a is that so-called splashproof mud function suffers damage.In addition, even at front- wheel 4a, 4a during towards a certain side in the left and right sides, front portion or the rear portion of two front- wheel 4a, 4a about also can positively seeing by peristome 16e, 16e, so, the raising (with reference to Figure 14) of observation property.
In addition, as Figure 14～Figure 16 also illustrated, each trailing wheel 5a, the 5a about above-mentioned middle part pedal 16c nearby also was provided with peristome 16f, 16f.About each peristome 16f, 16f more be configured to fuselage inboard than this trailing wheel 5a, 5a at left and right directions in the front upper place of trailing wheel 5a, the 5a of middle part pedal 16c, from the operator that gets off of walking fuselage in the place ahead that is positioned at this walking fuselage, make steering wheel 24 when operate pivotally the front position in fuselage the place ahead by leaning device 47 as described above, can observe the front portion of trailing wheel 5a, 5a by peristome 16f, 16f, can confirm its left and right directions towards, position, its peripheral state etc.
Above-mentioned peristome 16f, 16f slave side after one's death become the triangle that thin forms in plan view towards the front side, have the partition wall 16g, the 16g that extend every about the predetermined space edge at its fore-and-aft direction, constitute slit-shaped.Promptly, the past more rear of peristome 16f, 16f becomes big aperture area more, and toward rear opening inboard expansion towards about the fuselage more, aftermost peristome 16 is positioned at the vehicle seat down either side of seat body 17 more, the operator is seated towards horizontal below, can see near trailing wheel 5a, the 5a.In addition, can make the width of middle part pedal 16c in the outside of peristome 16f, 16f for roughly guaranteeing intensity definitely.
Above-mentioned partition wall 16g, 16g are integrally formed in middle part pedal 16c at middle part pedal 16c by the low heeling condition in preceding high back, make in lateral plan, and be positioned at the operator that walking fuselage the place ahead operated by steering wheel 24 sight line (with reference to the arrow A of Figure 16) almost parallel trailing wheel 5a, 5a.Therefore, at peristome 16f, 16f, the incline direction of partition wall 16g, 16g becomes the direction that splashes mud etc. towards peristome 16f, 16f with trailing wheel 5a, 5a and intersects the direction of (roughly quadrature), stop mud to pass through peristome 16f, 16f by partition wall 16g, 16g, thereby stop mud to splash above the pedal 16c of middle part from trailing wheel 5a, 5a.In addition, trailing wheel 5a observes by peristome 16f, 16f easily.
Like this, at body gate 16 peristome is set, when operator (operator, operator) from the state of walking under the fuselage when operate in fuselage the place ahead, can observe from this peristome front- wheel 4a, 4a or trailing wheel 5a, 5a left and right directions towards, position etc., so, can confirm the steering angle of front- wheel 4a, 4a or trailing wheel 5a, 5a on one side, by steering wheel 24 carry out steering operation on one side, operability improves.In addition, even take under the state of walking fuselage the operator, on one side also can confirm the steering angle of front- wheel 4a, 4a, Yi Bian carry out steering operation by steering wheel 24, operability improves.
In addition, between left and right sides peristome 16f, the 16f on above-mentioned middle part pedal 16c a plurality of anti-slip component 16h, 16h are set.This anti-slip component 16h, 16h form circular-arc in plan view, and the vehicle seat rear that is located at seat body 17 has on the concentric circles at center, the expansion ground configuration from pedal 16c rear end, middle part towards the place ahead.Like this, anti-slip component 16h, 16h are from becoming anti-slip component to the place ahead of pedal, when lifting is carried out in the side, when mobile etc., but the occasion that constitutes on the vehicle seat horizontal rotation ground of seat body 17 etc., under the state of taking a seat for continuous seedling operation etc., when being the center towards a left side or turning right when moving that while using to kick the back side of footwear is not tangled with the buttocks.
The two ends, the left and right sides of this anti-slip component 16h extend to the left and right sides rear lateral portion that is located at above-mentioned peristome 16f, 16f or middle part pedal 16c osculum 16j, 16j near, rain in the middle part of falling on the pedal 16c, the mud that brings, water flow along anti-slip component, wander from peristome 16f, 16f or osculum 16j, 16j.Same anti-slip component also is located at anterior pedal 16a, 16a.
Claims (5)
1. riding type rice transplanter, wherein,
Having the power parts such as walking fore-body configuration engine of pair of right and left front-wheel and trailing wheel, liftably connect seedling-transplanting device at the walking fuselage afterbody,
At above-mentioned walking fore-body, more by the upright lower prop that turns to usefulness of establishing above-mentioned front-wheel ventrally, this lower prop can have the upper prop of steering wheel shaft and steering wheel towards the fore-and-aft direction warpage ground connection of walking fuselage relatively than the allocation position of above-mentioned engine, it is characterized in that,
At least surrounding the preceding hood of above-mentioned engine and above-mentioned post, the above-mentioned upper prop peristome crossed of square tube forward be set,
At above-mentioned upper prop setting and its movable lid that moves towards front and back integratedly, this movable lid from outer side covers above-mentioned before at least a portion of above-mentioned U word shape peristome of hood,
The connecting portion of lower prop is provided for changing and keeping the posture maintaining body of the warpage posture of above-mentioned upper prop on above-mentioned, and the control member of above-mentioned posture maintaining body changes the relative angle of relative upper prop along with above-mentioned upper prop becomes big towards the angle of revolution in the place ahead,
Can rotating auxiliary lid in above-mentioned movable lid setting, make the aforesaid operations member be connected to the inner face of this auxiliary lid.
2. riding type rice transplanter according to claim 1 is characterized in that:
At the gearbox of being located at above-mentioned walking fuselage, be provided with differential lock for two front-wheels about above-mentioned, and have link gear, this link gear and above-mentioned upper prop make above-mentioned differential lock action in linkage towards the warpage action in the place ahead of above-mentioned walking fuselage
When above-mentioned upper prop during towards the place ahead warpage of above-mentioned walking fuselage, be below the predetermined value as the angle of the axis of the axis of lower prop and upper prop, then above-mentioned link gear makes above-mentioned differential lock action.
3. riding type rice transplanter according to claim 2, it is characterized in that: have steering wheel locking mechanism, when above-mentioned upper prop during towards the place ahead warpage of above-mentioned walking fuselage, angle as the axis of the axis of lower prop and upper prop is below the predetermined value, and then this steering wheel locking mechanism stops the revolution of above-mentioned steering wheel.
4. riding type rice transplanter according to claim 1, it is characterized in that: near the above-mentioned front-wheel of the body gate on cover above-mentioned walking fuselage or the above-mentioned trailing wheel peristome is set, the operator who is positioned at the place ahead of above-mentioned walking fuselage can observe above-mentioned front-wheel or above-mentioned trailing wheel by above-mentioned peristome.
5. riding type rice transplanter according to claim 4, it is characterized in that: partition wall is set being located on the peristome nearby of above-mentioned trailing wheel, the operator in this partition wall and the place ahead that is positioned at above-mentioned walking fuselage is to the sight line almost parallel of above-mentioned trailing wheel in lateral plan.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP168642/2005 | 2005-06-08 | ||
| JP2005168642A JP4616705B2 (en) | 2005-06-08 | 2005-06-08 | Ride type rice transplanter |
| JP2005169930A JP4823575B2 (en) | 2005-06-09 | 2005-06-09 | Ride type rice transplanter |
| JP169930/2005 | 2005-06-09 | ||
| PCT/JP2006/310965 WO2006132124A1 (en) | 2005-06-08 | 2006-06-01 | Riding type rice transplanter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101179926A CN101179926A (en) | 2008-05-14 |
| CN101179926B true CN101179926B (en) | 2011-06-08 |
Family
ID=37638082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800181373A Expired - Fee Related CN101179926B (en) | 2005-06-08 | 2006-06-01 | Riding type rice transplanter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4616705B2 (en) |
| CN (1) | CN101179926B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573443B (en) * | 2009-10-23 | 2015-03-18 | 洋马株式会社 | Walking type rice planting machine |
| CN107061705A (en) * | 2017-04-21 | 2017-08-18 | 潍坊同方机械有限公司 | Rice transplanter walking box bevel gear differential deceleration device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2574680B2 (en) * | 1987-11-16 | 1997-01-22 | ヤンマー農機株式会社 | Forward driving operation mechanism of four-wheeled rice transplanter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS601013Y2 (en) * | 1980-06-09 | 1985-01-12 | 石川島芝浦機械株式会社 | tractor tilt handle device |
| JP2603651B2 (en) * | 1987-10-02 | 1997-04-23 | ヤンマー農機株式会社 | Power steering interlocking device |
| JP3641991B2 (en) * | 2000-01-28 | 2005-04-27 | 井関農機株式会社 | Traveling equipment for mobile agricultural machines |
-
2005
- 2005-06-08 JP JP2005168642A patent/JP4616705B2/en not_active Expired - Fee Related
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2006
- 2006-06-01 CN CN2006800181373A patent/CN101179926B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2574680B2 (en) * | 1987-11-16 | 1997-01-22 | ヤンマー農機株式会社 | Forward driving operation mechanism of four-wheeled rice transplanter |
Non-Patent Citations (1)
| Title |
|---|
| 同上. |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006340648A (en) | 2006-12-21 |
| CN101179926A (en) | 2008-05-14 |
| JP4616705B2 (en) | 2011-01-19 |
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