CN104219945A - Rice planting machine - Google Patents

Rice planting machine Download PDF

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Publication number
CN104219945A
CN104219945A CN201380016711.1A CN201380016711A CN104219945A CN 104219945 A CN104219945 A CN 104219945A CN 201380016711 A CN201380016711 A CN 201380016711A CN 104219945 A CN104219945 A CN 104219945A
Authority
CN
China
Prior art keywords
mentioned
engine
fan
belt pulley
discharge fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201380016711.1A
Other languages
Chinese (zh)
Inventor
黑田智之
中村翔一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanmar Co Ltd
Original Assignee
Yanmar Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2012070646A external-priority patent/JP5844192B2/en
Priority claimed from JP2012070643A external-priority patent/JP5829963B2/en
Application filed by Yanmar Co Ltd filed Critical Yanmar Co Ltd
Publication of CN104219945A publication Critical patent/CN104219945A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/003Transplanting machines for aquatic plants; for planting underwater, e.g. rice
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00Arrangement in connection with cooling of propulsion units
    • B60K11/06Arrangement in connection with cooling of propulsion units with air cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/04Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports
    • B60K5/1208Resilient supports
    • B60K5/1216Resilient supports characterised by the location of the supports relative to the motor or to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00Type of vehicle
    • B60Y2200/20Off-Road Vehicles
    • B60Y2200/22Agricultural vehicles

Abstract

The present invention addresses the problem of providing a rice planting machine (1) in which cooling efficiency is improved and peripheral components such as cooling system components and power transmission system components are arranged in an efficient and compact manner around an engine (5). The rice planting machine (1) of the present invention is provided with an engine (5) that is mounted on a traveling machine body (2), a transmission case (6) that changes the speed of power from the engine (5) and transmits said power to the traveling sections (3, 4) of the traveling machine body (2), and a seedling planting device (23) that is mounted on the traveling machine body (2). A suction fan (71) for engine cooling is provided on one side surface of the engine (5). An exhaust fan (91) that is separate from the suction fan (71) is provided on another side surface, said other side surface being on the opposite side of the engine (5) from the side on which the suction fan (71) is provided.

Description

Rice transplanter
Technical field
The present application relates to and has seedling microscope carrier and multiple pawl of planting, the rice transplanter of the operation of planting seedlings continuously.
Background technology
In rice transplanter in the past, on the engine being mounted in traveling machine body, cooling fan is set, the technology of the cooling engine of cooling air that the rotation by by this cooling fan produces is well known (for example, with reference to patent documentation 1 and 2 etc.).
Formerly technical literature
Patent documentation
Patent documentation 1: Japanese kokai publication hei 5-42830 communique
Patent documentation 2: TOHKEMY 2001-199251 communique
Summary of the invention
Invent problem to be solved
, with regard to rice transplanter, in order to reduce to the sinking to or shorten endlong and to reduce pillow ground of paddy field, have in the past the requirement of lightweight, densification, the engine mounting space in traveling machine body exists the situation of restriction (narrow and small) many always.In addition, on engine, be not only cooling fan, and need various subsidiary engine classes, to gear box, power-transmission system so various periphery parts be installed.Therefore,, in considering cooling effectiveness, require effectively and compactly periphery part to be configured in narrow engine mounting space together with engine.
In order to solve the means of problem
The present application is the invention of making in view of above-mentioned present situation, to provide one that cooling effectiveness is improved, meanwhile, cooling system part, the such periphery part efficiency of power-transmission system part are configured in well compactly to the problem of engine rice transplanter around as technology.
The invention of technical scheme 1, is a kind of rice transplanter, possesses the engine in the traveling machine body of being mounted in; By the power speed changing of above-mentioned engine pass to the gear box of the running part of above-mentioned traveling machine body; With the seedling plant feed unit being arranged in above-mentioned traveling machine body, on a side of above-mentioned engine, be provided with the colod-application attraction fan of engine air, wherein, among above-mentioned engine and another side above-mentioned attraction fan opposition side, be provided with dividually discharge fan with above-mentioned attraction fan.
The invention of technical scheme 2, in the rice transplanter of recording in technical scheme 1, on the output shaft of above-mentioned engine, be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan, above-mentioned discharge fan is constituted as together with the rotation of above-mentioned output shaft and rotates with above-mentioned output belt pulley.
The invention of technical scheme 3, in the rice transplanter of recording in technical scheme 2, the external diameter of above-mentioned discharge fan is constituted as major diameter compared with above-mentioned output belt pulley.
The invention of technical scheme 4, in the rice transplanter of recording, possesses upper multiple output belt pulley of stating in technical scheme 3, and above-mentioned multiple output belt pulleys are constituted as that to approach above-mentioned engine diameters less.
The invention of technical scheme 5, in the rice transplanter of recording in technical scheme 1, the mask that surrounds above-mentioned discharge fan is arranged on the another side of above-mentioned engine.
The invention of technical scheme 6, in the rice transplanter of recording in technical scheme 5, on the output shaft of above-mentioned engine, be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan, the inner side of the above-mentioned mask among the another side of above-mentioned engine, has configured above-mentioned discharge fan, generator, belt pulley and belt drive system.
The effect of invention
According to the present application, because be the engine possessing in the traveling machine body of being mounted in, by the power speed changing of above-mentioned engine pass to the gear box of the running part of above-mentioned traveling machine body, with the seedling plant feed unit being arranged in above-mentioned traveling machine body, on a side of above-mentioned engine, be provided with the rice transplanter of the colod-application attraction fan of engine air, on among above-mentioned engine and another side above-mentioned attraction fan opposition side, separate and be provided with individually discharge fan with above-mentioned attraction fan, so the above-mentioned attraction fan by above-mentioned engine one side blows to cooling air on above-mentioned engine, not only force cooling above-mentioned engine, and by the rotation of the above-mentioned discharge fan of above-mentioned engine another side side, to capture the heat of above-mentioned engine and be discharged outside engine room by warm air draft.Therefore, the discharge effect of the air draft of the input effect of the cooling air of above-mentioned attraction fan and above-mentioned discharge fan is interosculated, and can especially improve the cooling effectiveness of above-mentioned engine.
According to the invention of technical scheme 2, because be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan on the output shaft of above-mentioned engine, above-mentioned discharge fan and above-mentioned output belt pulley, be constituted as by the rotation of above-mentioned output shaft and rotate together, so the rotation that can utilize above-mentioned discharge fan by wind to above-mentioned output belt pulley, cooling above-mentioned output belt pulley.Therefore, in configuring compactly above-mentioned discharge fan and above-mentioned output belt pulley, the heat that can suppress above-mentioned output belt pulley is deteriorated, can realize their durability and improve.Because can realize the densification of the configuration of above-mentioned discharge fan and above-mentioned output belt pulley, so can suppress the expansion of the left and right width of above-mentioned engine and then inhibition engine room.
According to the invention of technical scheme 3, because the external diameter of above-mentioned discharge fan is constituted as major diameter compared with above-mentioned output belt pulley, so in the time that air draft is discharged in the rotation by above-mentioned discharge fan, the danger that the existence of above-mentioned output belt pulley becomes obstacle is few, can maintain well the expulsion efficiency of the air draft of being undertaken by the rotation of above-mentioned discharge fan.
According to the invention of technical scheme 4, because possess multiple above-mentioned output belt pulleys, above-mentioned multiple output belt pulley is constituted as that to approach above-mentioned engine diameters less, so when captured above-mentioned engine another side side hot by the rotation of above-mentioned discharge fan, can reduce the impact that a side's who approaches with above-mentioned engine output belt pulley exists.
According to the invention of technical scheme 5, because be arranged on round the mask of above-mentioned discharge fan on the another side of above-mentioned engine, so the discharge effect of the air draft of the input effect of the cooling air of above-mentioned attraction fan and above-mentioned discharge fan complements each other, except especially improving the cooling effectiveness of above-mentioned engine, the heat that can also suppress above-mentioned engine left surface periphery by the existence of above-mentioned mask spreads in engine room.
According to the invention of technical scheme 6, because be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan on the output shaft of above-mentioned engine, the inner side of the above-mentioned mask among the another side of above-mentioned engine, above-mentioned discharge fan, generator, belt pulley and belt drive system are configured, so in configuring compactly above-mentioned belt pulley and belt drive system, above-mentioned generator, can successfully be discharged by the rotation of above-mentioned discharge fan the heat of above-mentioned engine left surface periphery.In addition, because the rotation for by above-mentioned discharge fan blows to air draft on above-mentioned belt pulley and belt drive system, above-mentioned generator and makes it cooling, so it is deteriorated to suppress the heat of above-mentioned belt pulley and belt drive system, above-mentioned generator, can realizes their durability and improve.
Brief description of the drawings
Fig. 1 is the left side view of the riding type rice transplanter in embodiment.
The vertical view of Fig. 2 riding type rice transplanter.
Fig. 3 is the left side view of traveling machine body.
Fig. 4 is the vertical view of traveling machine body.
Fig. 5 is the amplification right side view of engine and gear box.
Fig. 6 is the amplification left side view of engine and gear box.
Fig. 7 is the front section view of traveling machine body front portion.
Fig. 8 is the separation stereogram that represents that the oblique front from a left side of the loading structure of engine is watched.
Fig. 9 is the stereogram that the engine engine bed is watched at oblique rear from a left side.
Figure 10 is the vertical view cutaway drawing that represents the structure of mask.
Figure 11 be represent various output belt pulleys and discharge fan relation overlook key diagram.
Figure 12 is the upward view of engine and engine bed.
Embodiment
For the mode carrying out an invention
Below, the accompanying drawing based on the present application having been carried out to specific embodiment and be applicable to the situation of the riding type rice transplanter 1 (being called simply below rice transplanter 1) of eight formulas of planting describes.In addition, in the following description, towards the direct of travel of traveling machine body 2 left side is called to left side simply, equally towards direct of travel right side is called to right side simply.
(1) summary of rice transplanter
First, in reference to Fig. 1 and Fig. 2, the summary of rice transplanter 1 is described.The rice transplanter 1 of embodiment, possesses the traveling machine body 2 being supported by the rear wheel 4 of the front vehicle wheel 3 of the pair of right and left as running part and same pair of right and left.Carry engine 5 in the front portion of traveling machine body 2, the power from engine 5 has been transmitted to the gear box 6 at its rear, by front vehicle wheel 3 and rear wheel 4 are driven, carried out front and back and walk.Make front axle casing 7 outstanding to the side, left and right of gear box 6, on the front axle of the past axle box 7 outer direction extension to the left and right, can operate the rudder front vehicle wheel 3 has been installed.Make tubular framework 8 outstanding to the rear of gear box 6, be fixedly installed rear axle casing 9 in the rear end side of tubular framework 8, from rear axle casing 9 to the left and right the back axle of direction extension rear wheel 4 has been installed.
As shown in Figures 1 and 2, in the front portion of traveling machine body 2 and the upper face side of central portion, be provided with operator and take riding operation pedal (body cover) 10.Above operation pedal 10 anterior, configure front engine cover 11, be provided with engine 5 in the inside of front engine cover 11.The side, rear portion of the front engine cover 11 among on operation pedal 10, has configured the walking gear shift pedal 12 that operated by foot is used.Omit in detail, but the rice transplanter 1 of embodiment forms in such a way: by with the driving of the corresponding speed change electro-motor of the amount of entering into of walking gear shift pedal 12, regulate from the variable-speed dynamic of the oil pressure stepless speed changer output of gear box 6.
In addition, in the running operation portion 13 of the rear portion upper face side in front engine cover 11, be provided with and handle steering wheel 14, walking main shift lever 15 and operation bar 16.The rear of the front engine cover 11 among on operation pedal 10, has configured manipulation seat 18 through sheet profile framework 17.In addition, in the side, left and right of front engine cover 11, clip operation pedal 10 ground be provided with left and right preliminary seedling microscope carrier 24.
Rearward end in traveling machine body 2 uprightly arranges link rod frame 19.On link rod frame 19, the parallel linkage 22 forming via lower link 20 and upper links 21, has liftably linked the seedling plant feed unit 23 of eight use of planting.Operator, takes operation pedal 10 from the boarding pedal 25 of the side in operation pedal 10, and by running operation, in field, mobile one side drives seedling plant feed unit 23 on one side, carries out the operation of planting seedlings (operation of planting seedlings) to field transplanted seedling.In addition, planting seedlings in operation, operator is at any time to the seedling pad on seedling plant feed unit 23 supply preliminary seedling microscope carriers 24.
As shown in Figures 3 and 4, seedling plant feed unit 23 possesses and transmits the input casing 26 of planting via the power of gear box 6 from engine 5; With 8 transmission case bodies 27 of planting with 4 groups (taking 2 as 1 group) linking of input casing 26 of planting; Be arranged on the seedling planting mechanism 28 of the rear end side of the transmission case body 27 of respectively planting; Article eight, the seedling microscope carrier 29 of the use of planting; With all rice transplanter hulls 32 of flat use of field face that are configured in side below the transmission case body 27 of respectively planting.On seedling planting mechanism 28, be provided with and there is the plant rotating box 31 of pawl 30 of 2 of 1 parts.On transmission case body 27, configure the rotating box 31 of 2 parts planting.By a circle rotation of rotating box 31,2 pawls 30 of planting respectively cut catches 1 young plant, is transplanted to the field face in smooth soil by rice transplanter hull 32.
Diagram omit, but from engine 5 power via gear box 6, not only transmit to front vehicle wheel 3 and rear wheel 4, and to seedling plant feed unit 23 plant input casing 26 transmit.In the case, the power from gear box 6 towards seedling plant feed unit 23, temporarily transmits to being arranged on gearbox body (omitting diagram) between the strain of right upper portion of rear axle casing 9, from gearbox body between strain to input casing 26 transferring power of planting.By the power of this transmission, each seedling planting mechanism 28, seedling microscope carrier 29 drive.Omit in detail, but on gearbox body between strain, built-in by between the strain of the seedling of transplanting, switch to that such as thin planting, standard are planted or the strain of dense planting etc. between gear and connection or disconnect to the PTO clutch of the transmission of power of seedling plant feed unit 23.
In addition, possesses side concentrator marker 33 in the outside, left and right of seedling plant feed unit 23.Side concentrator marker 33 has concentrator marker wheel body 34 and the rotatably hinged concentrator marker arm 35 of concentrator marker wheel body 34 of line use.The base end side of each concentrator marker arm 35 can be hinged on to left-right rotation the outside, left and right of seedling plant feed unit 23.Side concentrator marker 33, the operation of the operation bar 16 based in running operation portion 13, has been configured to rotationally on the face of field ground and forms the work posture of the track that becomes the benchmark in next operation and make concentrator marker wheel body 34 increase and leave the non-work posture of field face.
(2) supporting construction of engine and engine peripheral construction
Connect, the supporting construction with respect to traveling machine body 2 to engine 5 in reference to Fig. 3~Figure 12 and engine 5 peripheral construction describe.As shown in Figures 3 and 4, traveling machine body 2 possesses the organism frame 50 of the pair of right and left of extending forwards, backwards.Each organism frame 50 is divided into forward frame 51 and rear frame 52 by two.The leading section of the rearward end of forward frame 51 and rear frame 52 is weldingly fixed in the middle framework 53 of growing crosswise left and right.The leading section of the forward frame 51 of pair of right and left is weldingly fixed on front baffle 54.The rear end side of the rear frame 52 of pair of right and left is weldingly fixed on afterframe 55.Front baffle 54, left and right two forward frame 51 and middle framework 53 are constituted as overlooks four jiaos of frame shapes.Equally, middle framework 53, left and right two rear frames 52 and afterframe 55 are also constituted as and overlook four jiaos of frame shapes.
As shown in Fig. 5~Fig. 7, the forward position of left and right two forward frame 51, is linked by front and back two foundation bottom frameworks 56.This each base frame 56, is formed as being flexed into the shape of U font in intermediate portion low mode in position compared with two forward frame 51 of left and right.The left and right end portions of each base frame 56 is weldingly fixed in each self-corresponding forward frame 51.Through the engine bed 57 of substantially planar and as multiple vibration-proof rubbers 58 of vibrationproof member, before and after being mounted on, engine 5 in two base frame 56, carried out vibrationproof supporting.The base frame 56 of front side, links with front baffle 54 through the front relaying framework 59 being welded and fixed thereon.The base frame 56 of rear side, through after relay bracket 60 link with the front portion of gear box 6.In addition, the engine 5 of embodiment is the petrol engine of 4 stroke V-type two cylinders.
As shown in Figure 4, left and right two forward frame 51 by rear, the front axle casing 7 outstanding with the left and right sides to gear box 6 links.In the center side of middle framework 53, be welded and fixed from the side to the left and right both ends of below to the U-shaped framework 61 extending of retreading.The pars intermedia of U-shaped framework 61 links (with reference to Fig. 3 and Fig. 4) with the middle part of the tubular framework 8 that is connected gear box 6 and rear axle casing 9.At the pars intermedia of afterframe 55, be welded and fixed the upper end side of two the vertical frameworks 62 in left and right.The pars intermedia of the rear axle scaffold 63 of having grown crosswise about the lower end side of two the vertical frameworks 62 in left and right has been welded and fixed.Both ends, left and right and the rear axle casing 9 of rear axle supporting box 63 link.In addition, in the forward frame 51 in left side, below the outstanding pedal supporting station 64 arranging of outward direction, configured the muffler 65 that the exhaust sound of engine 5 is reduced.
As shown in Fig. 4~Fig. 6, in the front portion of gear box 6 at rear that is configured in engine 5, be provided with electronic-controlled power steering unit 66.The inside of the steering column 67 on be uprightly arranged on electronic-controlled power steering unit 66 has configured steering column (omitting diagram) rotationally.Fix manipulation steering wheel 14 in the upper end side of steering column.Side below electronic-controlled power steering unit 66, steering output shaft (omitting diagram) is outstanding downwards.On this steering output shaft, link respectively the Steering Rod 68 (with reference to Fig. 4) of the front vehicle wheel 6 of steering left and right.
The engine 5 of embodiment, by output shaft 70 (crank axle) towards left and right directions be configured in before and after on the pars intermedia of two base frame 56.The left and right width of engine 5 and engine bed 57 is less than the inside dimensions between two forward frame 51 of left and right, the lower side of engine 5 and engine bed 57, under state before and after being configured on the pars intermedia of two base frame 56, expose to downside compared with two forward frame 51 of left and right.In the case, the output shaft 70 (axis) of engine 5, from the side in the position overlapping with left and right two forward frame 51.
The output shaft 70 of engine 5 is outstanding from the left and right sides outward direction of engine 5.Be provided with the colod-application attraction fan 71 (with reference to Fig. 5) of engine air in a side's of output shaft 70 protruding end portion (be right protruding end portion) in embodiment.Attract fan 71 to be constituted as and output shaft 70 one rotations.Attract fan 71 to be covered by fan guard 72.Be taken on mouthfuls 73 and be provided with Air Filter 74 at the cooling air of central portion that is formed at fan guard 72.It is cooling forcibly that engine 5 self is taken into mouthful 73 cooling airs that are taken into by the rotation by attracting fan 71 from cooling air.
In the rice transplanter 1 of embodiment, be constituted as, the cooling air (outer gas) of cooled engine 5 is circulated towards the opposing party's (being from right side to the left in embodiment) by interior left and right one side of rotation the past hood 11 (being also said to engine room) who attracts fan 71.,, in the lower side of the left and right sides of front engine cover 11, formed and made the cooling air communication port 75 of hood 11 inside and outside circulations forward.In embodiment, be formed, in the left and right sides of front engine cover 11, the through hole of multiple slit-shaped is opened appropriate intervals ground side by side at upper and lower sky.These through holes group has formed communication port 75.
Therefore, if attract fan 71 to be rotated, the air in front engine cover 11 flow to the left from right side and, the pressure drop in hood 11 produces difference on the inside and outside pressure of front engine cover 11.So, be taken into cooling air from communication port 75, the forward frame 51 on right side and the below of operation pedal 10 on right side, by this cooling air air cooling engine 5 being taken into etc.In the interior circulation of front engine cover 11 and by warm cooling air (air draft), from communication port 75, the forward frame 51 in left side and the below of operation pedal 10 in left side, the outer discharge of hood 11 (with reference to Fig. 7) forward.
On on engine 5, open appropriate intervals at upper and lower sky and configured the cleaner casing 76 of accommodating air cleaner (omitting diagram).Be formed on the gap between cleaner casing 76 and engine 5, penetrate to the left and right, be configured to by the overdraught road 77 (with reference to Fig. 7) that attracts cooling wind energy that the rotation of fan 71 has been taken into pass through.Diagram is omitted, but cleaner casing 76 below the position near attraction fan 71 among side, formed the intercommunicating pore of the inside and outside connection that makes cleaner casing 76.By attracting the rotation of fan 71 by the cooling air on overdraught road 77, import in cleaner casing 76 via intercommunicating pore.In addition, cleaner casing 76 is connected with the suction system of engine 5.The cooling air having been filtered by the air cleaner in cleaner casing 76 is fed to the suction system (carburetor etc.) of engine 5.By by cooling cooling air is taken in cleaner casing 76 by attracting the rotation of fan 71, suppress the temperature rise in cleaner casing 76, to suction system (carburetor etc.) cool-air feed of engine 5.Its result, can realize the raising of the drive efficiency of engine 5.
In the side below of engine 5, be provided with the first oil cooler 78 of the cooling use of engine oil.In addition, in the outside of fan guard 72, configured with cooling air and be taken into mouthful second oil cooler 79 of the cooling use of engine oil of 73 face-offs.The second oil cooler 79 is connected with the first oil cooler 78, bears the effect of the cooling capacity of filling up the first oil cooler 78.Be blown on first and second oil cooler 78,79 by the cooling air that attracts the rotation of fan 71 to be taken in front engine cover 11, first and second oil cooler 78,79 (inner engine oil) is forced cooling.The second oil cooler 79 of embodiment is positioned between right front portion framework 51 and engine 5 right flanks (fan guard 72 sides), sees that the forward frame 51 being configured to right side is overlapping in side.In other words, the second oil cooler 79 at downside, and attracts fan 71 to stand facing each other to configure compared with front engine cover 11 from top covering engine 5.
As shown in Fig. 5~Fig. 7, in front engine cover 11, surround the hood framework 80 of the roughly box-frame shape of engine 5, link with front baffle 54 and steering column 67.Be weldingly fixed on branch's framework 81 of a sidepiece of hood framework 80 (being right side in embodiment), be provided with installation bracket 82 to extend across up and down mode more.Link the second oil cooler 79 in the lower side of this installation bracket 82, be taken into mouth 73 with the cooling air of fan guard 72 and face.Therefore, the second oil cooler 79 by the cooling air being mainly taken into from the forward frame 51 on right side and the below of operation pedal 10 by the rotation that attracts fan 71, is first cooled compared with engine 5.Therefore, need not use the special cooling fan of the second oil cooler 79, just can improve the cooling effectiveness of the second oil cooler 79, the miniaturization of the second oil cooler 79 is also contributed.
In the upper side of installation bracket 82, the electric parts 83 of controller relevant with engine 5 etc. is installed.83 the past of electric parts inner side of hood 11 and the communication port on right side 75 are faced.By the cooling air of the communication port that has rotated through right side 75 that attracts fan 71, be blown on electric parts 83, electric parts 83 is cooled.By the cooling air of the communication port 75 from right side, suppress the temperature rise of the electric parts 83 of the surrounding that is configured in engine 5.Can avoid the thermogenetic harmful effect to electric parts 83 by engine 5.In addition, the entrance side on the overdraught road 77 between cleaner casing 76 and engine 5, clips electric parts 83 ground and is positioned at the opposition side (with reference to Fig. 7) of the communication port 75 on right side.
As shown in FIG. 6 and 7, upper side among engine 5 and another sides (being left surface in embodiment) attraction fan 71 opposition sides, the outlet side on overdraught road 77 has carried out opening.And, in the upper side of engine 5 left surfaces, in the mode of the outlet side that surrounds overdraught road 77, the ventilation shaft 84 that is seen as a shape in side is installed.Ventilation shaft 84 is placed on high position compared with the forward frame 51 in left side, and the inner side of hood 11 and the communication port in left side 75 are faced in the past.Formed the air draft road, top 85 of engine 5 by ventilation shaft 84.That is to say, by overdraught road 77 capture engine 5 heat and by warm air draft, through ventilation shaft 84 from the discharge hood 11 forward of the communication port 75 in left side.By the existence of ventilation shaft 84, can prevent from being returned in front engine cover 11 and staying by warm air draft, can successfully discharge from the communication port in left side 75, improve the expulsion efficiency of air draft.
As shown in Figure 7, capture the heat of engine 5 and by warm air draft, not only via air draft road, the top 85 outer discharge of hood 11 forward, and discharge via the forward frame 51 in left side and the below of operation pedal 10., the forward frame 51 in left side and the below of operation pedal 10, be constituted as the air draft road, bottom 86 of engine 5.
The another side (being left surface in embodiment) with attraction fan 71 opposition sides among engine 5 is upper, has configured the blast pipe 87 being communicated with the gas extraction system of engine.Because the opposing party's of blast pipe 87 cross ventilation pipelines 84 and output shaft 70 protruding end portion between (in embodiment be left protruding end portion), so be formed as the L word shape having extended at longitudinal direction clipping a side of output shaft 70 (being front side) in embodiment.The blast pipe 87 of embodiment, by the 87a of transverse tube portion extending between cross ventilation pipeline 84 and output shaft 70; The 87b of longitudinal tubule (L tubule) portion having extended downwards in front side compared with output shaft 70; Form with the 87c of connecting piece portion extending towards muffler 65 from the lower end side of the 87b of longitudinal tubule (L tubule) portion.The base end side of the 87a of transverse tube portion is connected with a side's of engine 5 cylinder.Among the 87a of transverse tube portion near the position branch of the longitudinal tubule (L tubule) 87b of portion part be connected with the opposing party's of engine 5 cylinder.Therefore, from the Exhaust Gas of two cylinders, the interflow, front of the 87b of longitudinal tubule (L tubule) portion in the 87a of transverse tube portion.The front of the 87c of connecting piece portion is connected with the exhaust entrance side of muffler 65.
On the left surface of engine 5, be provided with round the 87a of transverse tube portion of blast pipe 87 and the mask 88 of the 87b of longitudinal tubule (L tubule) portion.The mask 88 of embodiment, possesses the horizontal cover body 89 that covers the 87a of transverse tube portion and the vertical cover body 90 that covers the 87b of longitudinal tubule (L tubule) portion.Horizontal cover body 89 is the cover bodies with the metallic plate system of top panel, rear board and Left-Hand Panel.In addition, vertical cover body 90 is the cover bodies with the metallic plate system of top panel, lower panel, left and right sides panel and front panel.That is, horizontal cover body 89 and vertical cover body 90, be formed discharge fan 91 side openings in the protruding end portion (be left protruding end portion) that makes the opposing party who is arranged on output shaft 70 in embodiment roughly case shape.Horizontal cover body 89 and vertical cover body 90, fasten in the pass of the 87a of transverse tube portion round blast pipe 87 and the 87b of longitudinal tubule (L tubule) portion, sees be arranged in roughly L word shape in side.By the 87a of transverse tube portion and the 87b of longitudinal tubule (L tubule) portion round blast pipe 87 by mask 88, the heat that has suppressed to produce from blast pipe 87 is in the interior diffusion of front engine cover 11.In addition, self-evident, the ventilation shaft 84 of embodiment and mask 88, between left forward frame 51 and engine 5 left surfaces, are incorporated in front engine cover 11 (with reference to Fig. 7).
As shown in Fig. 6 and Fig. 9, the inner side of the mask 88 among engine 5 left surfaces (inner side having been separated by horizontal cover body 89 and vertical cover body 90), the opposing party's of output shaft 70 protruding end portion (in embodiment be left protruding end portion) is outstanding.In the left protruding end of output shaft 70 portion, and attract fan 71 to be separate provided with individually discharge fan 91.Discharge fan 91, fan 71 is same with attracting, and is constituted as and output shaft 70 one rotations.Air draft is around taken into by the rotation of discharging fan 91, mainly from air draft road, bottom 86 (forward frame 51 in left side and the below of operation pedal 10) discharge hood 11 forward.Therefore, not only by the rotation of the attraction fan 71 of engine 5 right flank sides, cooling air is blown to and on engine 5, forces cooled engine 5, and by the rotation of the discharge fan 91 of engine 5 left surface sides by capture engine 5 heat and by the warm air draft outer discharge of hood 11 forward, the air draft discharge effect that the cooling air of attraction fan 71 is taken into effect and discharge fan 91 complements each other, and can especially improve the cooling effectiveness of engine 5.
In addition, as mentioned above, because horizontal cover body 89 and vertical cover body 90 are formed the roughly case shape that has made to discharge fan 91 side openings, so the heat being produced by blast pipe 87, in the interior indiffusion of front engine cover 11, is discharged outside hood 11 forward via air draft road, bottom 86 energetically by the rotation of discharging fan 91.Therefore, can improve the thermal environment of the engine 5 left surface sides with blast pipe 87, and then improve the thermal environment in front engine cover 11.
As shown in Fig. 6, Fig. 8, Fig. 9 and Figure 11, in the left protruding end of output shaft 70 portion, be not only provided with and discharge fan 91, and be provided with the output belt pulley 92,93 of multiple (being 2) revolving force transmission use in embodiment.Output belt pulley 92,93, is constituted as by the rotation of output shaft 70 and is rotated together with discharging fan 91.Each output belt pulley 92,93, clips and discharges the configuration dividually before and after the axis direction of output shaft 70 of fan 91 ground.A side's who approaches with engine 5 output belt pulley 92, to transmit to generator 94 described later (being described in detail later) the first output belt pulley 92 that revolving force is used, away from a side's of engine output belt pulley 93, be from gear box 6 to transmit the second output belt pulley 93 that revolving force is used towards the outstanding gearbox power shaft 97 (being described in detail later) of left-external side.
At this, in the opposition side (being rear side) of the 87b of longitudinal tubule (L tubule) portion of blast pipe 87 of left protruding end portion that clips output shaft 70, configure generator 94 in embodiment.Generator 94, is installed on analog bracket 95, compared with the left protruding end portion of analog bracket 95 and output shaft 70 among engine 5 left surfaces in left back, and by bolted below horizontal cover body 89.Diagram is omitted, but between engine 5 left surfaces and generator 94, sky has been opened appropriate intervals to the left and right.Among generator 94 and sides engine 5 left surfaces face-offs, be provided with subsidiary engine input belt pulley 94a.Transmitting belt 96 is wound around on the first output belt pulley 92 of output shaft 70 sides and the subsidiary engine input belt pulley 94a of generator 94 sides.Through belt pulley 92 and belt 96 transmission systems, transmit revolving force from engine 5 to generator 94, generator 94 generates electricity.Because generator 94 is arranged on the left surface of engine 5 through analog bracket 95, so be comprised in the vibrational system identical with engine 5.Therefore, can reduce and be added in generator 94 from load with it, can suppress the distortion of generator 94, the danger of damage.
On the other hand, left the outstanding gearbox power shaft 97 in outside, be provided with gearbox input belt pulley 98 from gear box 6.Transmitting belt 99 is wound around on the second output belt pulley 93 of output shaft 70 sides and the gearbox input belt pulley 98 of gear box 6 sides.Through belt pulley 93,98 and belt 99 transmission systems, revolving force transmits to gear box 6 from engine 5.Compared with inputting belt pulley 98 with the gearbox among output shaft of gear-box 97, at left-external side, be provided with the gearbox cooling fan 100 that gear box 6 air coolings are used.Gearbox cooling fan 100, is constituted as through belt pulley 93,98 and belt 99 transmission systems and is rotated together with gearbox input belt pulley 98 by the revolving force being passed.
As shown in Fig. 6 and Fig. 9, the inner side of the mask 88 among engine 5 left surfaces, has configured discharge fan 91, first and second output belt pulley 92,93, generator 94 and has transmitted belt 96,99.Therefore, the inner side of the mask 88 among engine 5 left surfaces, configure compactly belt pulley 92,93 and belt 96,99 transmission systems, generator 94, meanwhile, can the heat of engine 5 left surface peripheries successfully discharged via air draft road, bottom 86 by the rotation of discharging fan 91.In addition, make it cooling owing to air draft being blown on belt pulley 92,93 and belt 96,99 transmission systems, generator 94, so it is deteriorated to suppress the heat of belt pulley 92,93 and belt 96,99 transmission systems, generator 94, can realizes their durability and improve.
As shown in Figure 11, the external diameter of discharge fan 91 is constituted as major diameter compared with each output belt pulley 92,93.Therefore, by discharging the rotation of fan 91 when air draft is discharged via air draft road, bottom 86, the danger that the existence of respectively exporting belt pulley 92,93 becomes obstacle is few, can maintain well the expulsion efficiency of the air draft of being undertaken by the rotation of discharging fan 91.In addition, respectively export belt pulley 92,93 and be configured that more to approach engine 5 diameters less.Therefore, by discharging the rotation of fan 91 while capturing engine 5 left surface sides hot, can reduce the impact that the first output belt pulley 92 of a side who approaches engine 5 exists.And, when the heat that suppresses belt pulley 92,93 and belt 96,99 transmission systems is deteriorated, can be by each output belt pulley 92,93 and discharge fan 91 and be configured in compactly the left protruding end portion of output shaft 70, can suppress engine 5 and then suppress the expansion of the left and right width of the front engine cover 11 that covers it.
As shown in Fig. 3, Fig. 6 and Figure 11, between the second output belt pulley 93 and gearbox output belt pulley 98 of output shaft 70 sides, configure and made the tension force that transmits belt 99 tensionings give member 101.Tension force is given member 101, possesses from below and the tension strap wheel 102 that transmits belt 99 butts.Tension strap wheel 102 is hinged on the free end side of the tension arm 103 can be up and down linking with the left side of engine bed 57 rotationally.Tension arm 103 is stretched to rotation direction upward by loading spring 104, make tension strap wheel 102 conventionally from lower direction transmit that belt 99 pushes and with its butt.Loading spring 104 is contained in the swing arm 106 in the hub portion 105 that is uprightly arranged on tension arm 103 base end sides and gives prominence between the support plate 107 arranging to the left side of engine bed 57 by frame.
Like this, because if tension force is set on the engine bed 57 of engine 5 and gives member 101 carrying, tension force is given member 101 and is comprised in the vibrational system identical with engine 5, is added in tension force and gives member 101 oneself load with it so can reduce.Its result, can suppress tension force and give the distortion of member 101, the danger of damage.In addition, the vibration that also has tension force and give the vibration of member 101 and follow engine 5, easily maintains the advantage under the state that adds suitable tension force by transmitting belt 99.In embodiment, under the state of engine 5 and gear box 6 in tandem, be not only tension force and give member 101, generator 94 is also exported between belt pulley 98 at the second output belt pulley 93 and gearbox together, has also realized effective utilization in the space between engine 5 and gear box 6.
In addition, the engine 5 of embodiment by bolted before and after be bearing in through multiple vibration-proof rubbers 58 on the engine bed 57 in two base frame 56.As shown in Fig. 8, Fig. 9 and Figure 12, on engine bed 57, form the punching 108 of the up/down perforation shape of facing with the bottom surface of engine 5.The rib groove 109 that makes to be formed on the bottom surface of engine 5 is faced with the punching 108 of engine bed 57.In the case, on engine bed 57, stagger and configured engine 5 from punching 108 (to the right), so that cooling air circulates towards the discharge fan 91 of engine left surface side from punching 108.In other words, can't help the bottom surface of engine 5 hides the punching 108 of engine bed 57 and integrally makes the part opening up and down of punching 108.In the case of spying on punching 108 from the downside of engine bed 57, in a part for punching 108, can see the first output belt pulley 92, the transmission belt 96 of the left surface side in engine 5.
Like this, because if form the punching 108 of the up/down perforation shape of facing with the bottom surface of engine 5 on engine bed 57, can be by by attracting the cooling air that the rotation of fan 71 has been taken into blow on the bottom surface of engine 5, so the engine oil of cooled engine 5 inside energetically, suppresses the excessive rising of engine oil temperature.Can complement each other and carry out the cooling of engine oil with producing effect with the cooling effectiveness of first and second oil cooler 78,79, keep well the heat balance of engine 5.In addition, because stagger and configured engine 5 from punching 108 on engine bed 57, so that cooling air circulates towards discharging fan 91 from punching 108, so by the rotation of discharging fan 91, send into cooling air from the bottom surface side of engine 5 towards left surface side via punching 108.Therefore, can make mix and reduce the temperature of air draft self than the air draft around of the cooling air of lower temperature and engine 5 left surfaces, can improve significantly the thermal environment of engine 5 left surface sides.
(3) sum up
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted in 2, by the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2, with the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, on among above-mentioned engine 5 and another sides above-mentioned attraction fan 71 opposition sides, clipping output shaft 70 ground outstanding from above-mentioned another side makes the blast pipe 87 (87b) being communicated with the gas extraction system of above-mentioned engine 5 extend to a side, configure generator 94 the opposing party, so can separate in the both sides that clip above-mentioned output shaft 70 above-mentioned blast pipe 87 (87b) and above-mentioned generator 94, suppress the thermogenetic harmful effect to above-mentioned generator 94 by above-mentioned blast pipe 87 (87b), simultaneously, intensively configure compactly above-mentioned blast pipe 87 (87b) and above-mentioned generator 94 in the another side of above-mentioned engine 5 side.
In addition, because also possess the transmission belt 99 on the gearbox input belt pulley 98 being wound around on the output belt pulley 93 being fixed on above-mentioned output shaft 70 and the gearbox power shaft 97 that is fixed on above-mentioned gear box 6; Give member 101 with the tension force that makes above-mentioned transmission belt 99 tensionings, make mentioned strain give member 101 and above-mentioned generator 94 between above-mentioned output belt pulley 93 and above-mentioned gearbox input belt pulley 98, so can effectively utilize the space between above-mentioned engine 5 and above-mentioned gear box 6, realize belt pulley 93,98 and the belt 99 transmission systems densification to the configuration of above-mentioned gear box 6.
And then, because carried above-mentioned engine 5 on the engine bed 57 in above-mentioned traveling machine body 2 being arranged on through vibrationproof member 58, mentioned strain is given member 101 and is arranged on above-mentioned engine bed 57, above-mentioned generator 94 is arranged on the analog bracket 95 on the above-mentioned another side that is fastened to above-mentioned engine 5, so mentioned strain is given member 101 and above-mentioned generator 94 is comprised in the vibrational system identical with above-mentioned engine 5.Therefore, can reduce being added in mentioned strain and giving member 101 and above-mentioned generator 94 from load with it, can suppress mentioned strain and give the distortion of member 101 and above-mentioned generator 94, the danger of damage.
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted on 2, by the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2, with the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, between the organism frame 50 of pair of right and left that forms above-mentioned traveling machine body 2, above-mentioned engine 5 is configured to compared with above-mentioned two organism frames 50 side-prominent downwards, on among above-mentioned engine 5 and another sides above-mentioned attraction fan 71 opposition sides, compared with above-mentioned organism frame 50 up, configure and made the ventilation shaft 84 that passes through from the cooling air of above-mentioned attraction fan 71, formed the air draft road, top 85 of above-mentioned engine 5 by above-mentioned ventilation shaft 84, the below of the organism frame 50 in the above-mentioned another side of above-mentioned engine 5 side has formed the air draft road, bottom 86 of above-mentioned engine 5, so by the existence of above-mentioned ventilation shaft 84, can suppress to capture the heat of above-mentioned engine 5 and be spread in engine room by warm air draft.And, can prevent that said exhaust from returning and staying in engine room, can successfully discharge from air draft road, above-mentioned top 85, can improve the expulsion efficiency of air draft.In addition, the air draft road of above-mentioned engine 5 is divided into air draft road, above-mentioned top 85 and air draft road, above-mentioned bottom 86 two, said exhaust efficiency can be discharged well outside above-mentioned engine room, the cooling effectiveness of above-mentioned engine 5 can be maintained to good state.
In addition, because on above-mentioned engine 5, open appropriate intervals at upper and lower sky and configured the cleaner casing 76 of accommodating air cleaner, overdraught road 77 between above-mentioned cleaner casing 76 and above-mentioned engine 5 is communicated with above-mentioned ventilation shaft 84, so can be taken into cooling air by the rotation of above-mentioned attraction fan 71 periphery above above-mentioned engine 5, cooling above-mentioned engine 5 periphery above.And, can by capture above-mentioned engine 5 above periphery heat and successfully discharged via above-mentioned ventilation shaft 84 by warm air draft.Therefore, contribute to the cooling effectiveness of above-mentioned engine 5 to improve.
And then, because the outstanding output shaft 70 from the above-mentioned another side of above-mentioned engine 5, be in side and see the position overlapping with the organism frame 50 of the above-mentioned another side side in above-mentioned engine 5, the blast pipe 87 being communicated with the gas extraction system of above-mentioned engine 5, after crossing between above-mentioned ventilation shaft 84 and above-mentioned output shaft 70, clip above-mentioned output shaft 70 ground at a square L word shape having extended to longitudinal direction that becomes, on the above-mentioned another side of above-mentioned engine 5, be provided with the mask 88 round above-mentioned blast pipe 87, so by the existence of above-mentioned mask 88, the heat that can suppress to produce from above-mentioned blast pipe 87 spreads in engine room.
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted in 2, by the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2, with the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, on among above-mentioned engine 5 and another sides above-mentioned attraction fan 71 opposition sides, separate to be provided with individually with above-mentioned attraction fan 71 and discharge fan 91, so not only cooling air is blown on above-mentioned engine 5 by the above-mentioned attraction fan 71 of above-mentioned engine 5 one sides, force cooling above-mentioned engine 5, and by the rotation of the above-mentioned discharge fan 91 of above-mentioned engine 5 another side sides, to capture the heat of above-mentioned engine 5 and be discharged outside engine room by warm air draft.Therefore, the air draft discharge effect that the cooling air of above-mentioned attraction fan 71 is taken into effect and above-mentioned discharge fan 91 complements each other, and can especially improve the cooling effectiveness of above-mentioned engine 5.
In addition, because on the output shaft 70 of above-mentioned engine 5, be provided with the output belt pulley 92,93 of revolving force transmission use together with above-mentioned discharge fan 91, above-mentioned discharge fan 91 and above-mentioned output belt pulley 92,93 are constituted as, rotation by above-mentioned output shaft 70 is rotated together, so the rotation that can utilize above-mentioned discharge fan 91 by wind to above-mentioned output belt pulley 92,93, cooling above-mentioned output belt pulley 92,93.Therefore, in configuring compactly above-mentioned discharge fan 91 and above-mentioned output belt pulley 92,93, the heat that can suppress above-mentioned output belt pulley 92,93 is deteriorated, can realize their durability and improve.Because can realize the densification of the configuration of above-mentioned discharge fan 91 and above-mentioned output belt pulley 92,93, so can suppress the expansion of the left and right width of above-mentioned engine 5 and then inhibition engine room.
And then, because the external diameter of above-mentioned discharge fan 91 is configured major diameter compared with above-mentioned output belt pulley 92,93, so in the time that air draft is discharged in the rotation by above-mentioned discharge fan 91, the danger that the existence of above-mentioned output belt pulley 92,93 becomes obstacle is few, can maintain well the expulsion efficiency of the air draft of being undertaken by the rotation of above-mentioned discharge fan 91.
And, because possess multiple above-mentioned output belt pulleys 92,93, above-mentioned multiple output belt pulley 92,93 is constituted as that to approach above-mentioned engine 5 diameters less, so when captured another side side hot of above-mentioned engine 5 by the rotation of above-mentioned discharge fan 91, can reduce the impact that a side's who approaches with above-mentioned engine 5 output belt pulley 92 exists.
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted in 2; By the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2; With the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, on engine bed 57 in above-mentioned traveling machine body 2, carry above-mentioned engine 5 being arranged on through vibrationproof member 58, on above-mentioned engine bed 57, form the punching 108 of facing with the bottom surface of above-mentioned engine 5, so the cooling air being taken into by the rotation of above-mentioned attraction fan 71 can be blown on the bottom surface of above-mentioned engine 5.Therefore, the engine oil of cooling above-mentioned engine 5 inside energetically, suppresses the excessive rising of engine oil temperature, can keep well the heat balance of above-mentioned engine 5.
In addition, because among above-mentioned engine 5 and another sides above-mentioned attraction fan 71 opposition sides, separate and be provided with individually discharge fan with above-mentioned attraction fan, on above-mentioned engine bed, stagger and configured above-mentioned engine from above-mentioned punching, so that cooling air circulates towards above-mentioned discharge fan from above-mentioned punching, so by the rotation of above-mentioned discharge fan 91, send into cooling air towards another side side via above-mentioned punching 108 from the bottom surface side of above-mentioned engine 5.Therefore, can make the cooling air of the low temperature of comparison mix with the air draft around of above-mentioned engine 5 another sides, reduce the temperature of air draft self, can improve significantly the thermal environment of above-mentioned engine 5 another side sides.
And then, because between the organism frame 50 of pair of right and left that forms above-mentioned traveling machine body 2, above-mentioned engine 5 and above-mentioned engine bed 57 are configured to compared with above-mentioned two organism frames 50 side-prominent downwards, so can successfully be taken into cooling air from the bottom surface side of above-mentioned engine 5.
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted in 2, by the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2, with the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, between the organism frame 50 of pair of right and left that forms above-mentioned traveling machine body 2, above-mentioned engine 5 is configured to compared with above-mentioned two organism frames 50 side-prominent downwards, with cover the front engine cover 11 of above-mentioned engine 5 from top compared with at downside, stand facing each other and configured oil cooler 79 with above-mentioned attraction fan 71, so above-mentioned oil cooler 79, the cooling air being mainly taken into from the below of above-mentioned organism frame 50 by the rotation by above-mentioned attraction fan 71, first be cooled compared with above-mentioned engine 5.Therefore, need not use the special cooling fan of above-mentioned oil cooler 79, just can improve the cooling effectiveness of above-mentioned oil cooler 79.Miniaturization to above-mentioned oil cooler 79 also contributes.
In addition, because making the electric parts 83 of the top that is configured in above-mentioned oil cooler 79 and the communication port 75 of the lower side that is formed on above-mentioned front engine cover 11 faces, the mode that makes above-mentioned oil cooler 79 and above-mentioned electric parts 83 be bearing in to surround above-mentioned engine 5 is arranged in the hood framework 80 in above-mentioned front engine cover 11, so by rotating through of above-mentioned attraction fan 71 cooling air of above-mentioned communication port 75 blow on above-mentioned electric parts 83, above-mentioned electric parts 83 is cooled.By the cooling air from above-mentioned communication port 75, can suppress the temperature rise of the above-mentioned electric parts 83 of the surrounding that is configured in above-mentioned engine 5.Can avoid the thermogenetic harmful effect to above-mentioned electric parts 83 by above-mentioned engine 5.Can utilize above-mentioned hood framework 80 to simplify the supporting construction of above-mentioned oil cooler 79 and above-mentioned electric parts 83.
According to above-mentioned embodiment, because be the engine 5 possessing in traveling machine body of being mounted in 2, by the power speed changing of above-mentioned engine 5 pass to the gear box 6 of the running part 3,4 of above-mentioned traveling machine body 2, with the seedling plant feed unit 23 being arranged in above-mentioned traveling machine body 2, on a side of above-mentioned engine 5, be provided with the rice transplanter 1 of the colod-application attraction fan 71 of engine air, above-mentioned engine 5 make output shaft 70 towards left and right directions be mounted in above-mentioned traveling machine body 2, on among above-mentioned engine 5 and another sides above-mentioned attraction fan 71 opposition sides, separate to be provided with individually with above-mentioned attraction fan 71 and discharge fan 91, be arranged on the another side of above-mentioned engine 5 round the mask 88 of above-mentioned discharge fan 91, so the cooling air of above-mentioned attraction fan 71 is taken into the air draft discharge effect of effect and above-mentioned discharge fan 91 and complements each other, except especially improving the cooling effectiveness of above-mentioned engine 5, the heat that can also suppress above-mentioned engine 5 left surface peripheries by the existence of above-mentioned mask 88 spreads in engine room.
In addition, because on the output shaft 70 of above-mentioned engine 5, be provided with the output belt pulley 92,93 of revolving force transmission use together with above-mentioned discharge fan 91, the inner side of the above-mentioned mask 88 among the another side of above-mentioned engine 5, above-mentioned discharge fan 91, generator 94, belt pulley 92,93 and belt 96,99 transmission systems are configured, so in configuring compactly above-mentioned belt pulley 92,93 and belt 96,99 transmission systems, above-mentioned generator 94, can successfully be discharged by the rotation of above-mentioned discharge fan 91 heat of above-mentioned engine 5 left surface peripheries.In addition, cause is the rotation by above-mentioned discharge fan 91, air draft is blown on above-mentioned belt pulley 92,93 and belt 96,99 transmission systems, above-mentioned generator 94 and make it cooling, so it is deteriorated to suppress the heat of above-mentioned belt pulley 92,93 and belt 96,99 transmission systems, above-mentioned generator 94, can realizes their durability and improve.
(4) other
The present application, is not limited to above-mentioned embodiment, can be embodied in various modes.The structure of each several part is not defined to illustrated embodiment, in the scope of aim that does not depart from the present application, can carry out various changes.
The explanation of symbol:
1: rice transplanter
2: traveling machine body
5: engine
6: gear box
23: seedling plant feed unit
50: organism frame
57: engine bed
58: vibration-proof rubber
70: output shaft
71: attract fan
75: communication port
76: cleaner casing
77: overdraught road
79: the second oil coolers
80: hood framework
83: electric parts
84: ventilation shaft
85: air draft road, top
86: air draft road, bottom
87: blast pipe
88: mask
91: discharge fan
94: generator
95: analog bracket
96,99: transmit belt
98: gearbox input belt pulley
101: tension force is given member
108: punching.

Claims (6)

1. a rice transplanter, possesses the engine in the traveling machine body of being mounted in; By the power speed changing of above-mentioned engine pass to the gear box of the running part of above-mentioned traveling machine body; With the seedling plant feed unit being arranged in above-mentioned traveling machine body, on a side of above-mentioned engine, be provided with the colod-application attraction fan of engine air, it is characterized in that,
On among above-mentioned engine and another side above-mentioned attraction fan opposition side, be provided with dividually discharge fan with above-mentioned attraction fan.
2. the rice transplanter of recording as claim 1, is characterized in that,
On the output shaft of above-mentioned engine, be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan, above-mentioned discharge fan is constituted as together with the rotation of above-mentioned output shaft and rotates with above-mentioned output belt pulley.
3. the rice transplanter of recording as claim 2, is characterized in that,
The external diameter of above-mentioned discharge fan is constituted as major diameter compared with above-mentioned output belt pulley.
4. the rice transplanter of recording as claim 3, is characterized in that,
Possess upper multiple output belt pulley of stating, above-mentioned multiple output belt pulleys are constituted as that to approach above-mentioned engine diameters less.
5. the rice transplanter of recording as claim 1, is characterized in that,
The mask that surrounds above-mentioned discharge fan is arranged on the another side of above-mentioned engine.
6. the rice transplanter of recording as claim 5, is characterized in that,
On the output shaft of above-mentioned engine, be provided with the output belt pulley of revolving force transmission use together with above-mentioned discharge fan, the inner side of the above-mentioned mask among the another side of above-mentioned engine, has configured above-mentioned discharge fan, generator, belt pulley and belt drive system.
CN201380016711.1A 2012-03-27 2013-03-19 Rice planting machine Pending CN104219945A (en)

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JP2012070646A JP5844192B2 (en) 2012-03-27 2012-03-27 Rice transplanter
JP2012-070643 2012-03-27
JP2012070643A JP5829963B2 (en) 2012-03-27 2012-03-27 Rice transplanter
JP2012-070646 2012-03-27
PCT/JP2013/057838 WO2013146476A1 (en) 2012-03-27 2013-03-19 Rice planting machine

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CN105052323B (en) * 2015-07-15 2016-09-28 金华市天明灯具厂 A kind of seedling-transplanting device of low vibrations
US10005358B2 (en) * 2016-08-26 2018-06-26 Deere & Company Zero turning radius mower
KR102558144B1 (en) * 2020-12-31 2023-07-21 주식회사 티와이엠 A power transmission device for a planting machine

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IN2014DN07527A (en) 2015-04-24

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Application publication date: 20141217