CN106545400A - The engine cooling apparatus of working truck - Google Patents
The engine cooling apparatus of working truck Download PDFInfo
- Publication number
- CN106545400A CN106545400A CN201610463931.4A CN201610463931A CN106545400A CN 106545400 A CN106545400 A CN 106545400A CN 201610463931 A CN201610463931 A CN 201610463931A CN 106545400 A CN106545400 A CN 106545400A
- Authority
- CN
- China
- Prior art keywords
- engine
- driven wheel
- wheel body
- cooling apparatus
- working truck
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/02—Self-propelled combines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/1208—Tanks for grain or chaff
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/04—Pump-driving arrangements
- F01P5/043—Pump reversing arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/22—Agricultural vehicles
- B60Y2200/222—Harvesters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Combines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The present invention provides the engine cooling apparatus of working truck, and which can easily carry out the upkeep operations such as repairing inspection of rotation status switching mechanism.The control unit of control executing agency (40) is arranged to the free switching control model between normal operating mode and service mode, the executing agency (40) will can carry out cooling down to radiator the fan (20) of wind ventilation in the rotating forward state of the forward direction rotation driving to cooling and switch between the turned upside down of the reverses direction rotation driving of dedusting, control unit is in normal operating mode, the action of executing agency (40) is controlled in the way of alternately switching between rotating forward state and turned upside down, in service mode, the action of executing agency (40) is controlled in the way of switching to the neutral condition of the power transmission that the driven wheel body (24) in inner side and outside driven wheel body (25) both sides do not receive the turning annular body (23) from driving side.
Description
Technical field
The present invention relates to the engine cooling apparatus of working truck, in detail, it is related to possess by the power drive of engine
And to radiator carry out cool down wind ventilation fan, can by fan to cooling forward direction rotation driving rotating forward shape
State and the working truck to the rotation status switching mechanism switched between the turned upside down of the reverses direction rotation driving of dedusting
Engine cooling apparatus.
Background technology
The engine cooling apparatus of above-mentioned working truck transfer cooling radiator in rotating forward state backspin by making fan, and
The dust of the dust removal unit for being attached to radiator is blown away by fan is switched to turned upside down.And, in the past, rotation status are cut
Converting mechanism is configured to possess：Using the transmission belt (the turning annular body of driving side) of the dynamic rotation of engine；With the transmission belt
The forward belt wheel (a driven wheel body) that connects of inner peripheral surface；The reversing connected with outer peripheral face belt wheel (another driven pulley
Body)；The slave end band (the turning annular body of slave end) wound on the input belt wheel of fan；And by the dynamic of electro-motor
Switch to forward belt wheel and be crimped on the rotating forward state and reversing belt wheel of transmission belt and be crimped under the turned upside down of transmission belt
Any one.(for example, referring to patent document 1).
Patent document 1：(Japan) JP 2001-263063 publication
In above-mentioned conventional structure, as rotation status switching mechanism is to switch to appointing under rotating forward state and turned upside down
The structure of one, therefore have the disadvantage that.
After the end of job, in the case of the upkeep operations such as inspection that place under repair rotation status switching mechanism, stop sending out
After the action of motivation, need rotation status switching mechanism is unloaded and the operations such as inspection that place under repair from body frame.That is, it is contorted
State switching mechanism possesses support, the electro-motor of the driven wheel body of moving operation and its subsidiary connection machine for supporting driven wheel body
Structure etc., in the case where upkeep operation is carried out, needs to unload the frame parts on these each part slave sides.
But, even if in the case where such upkeep operation is carried out, because rotation status switching mechanism is maintained as former state
State when engine action among rotating forward state and turned upside down stops, therefore become driven wheel body (belt wheel) and be crimped on biography
The state of dynamic band.So, if driven wheel body is crimped on the state of transmission belt, then the tension force of the driven band of driven wheel body
Reaction force.As a result, when the frame parts on each part slave side in rotation status switching mechanism is unloaded, because from
Reaction force suffered by driving wheel body, and be difficult to unload operation.
Accordingly, it is desirable to be able to easily carry out the upkeep operations such as the repairing inspection of rotation status switching mechanism.
The content of the invention
The feature structure of the engine cooling apparatus of the working truck of the present invention is possess：Driven by the power of engine
Fan dynamic and that cooling wind ventilation is carried out to radiator；Can be by the fan in the forward direction rotation driving to cooling
Rotating forward state and to the rotation status switching mechanism switched between the turned upside down of the reverses direction rotation driving of dedusting；
The rotation status switching mechanism possesses：Using the turning annular of the driving side of the dynamic rotation of the engine
Body；The driven wheel body in inner side connected with the inner peripheral surface of the turning annular body of the driving side；With the turning annular of the driving side
The outside driven wheel body that the outer peripheral face of body connects；Drive wound on the outside driven wheel body, the driven wheel body in the inner side and fan
Employ the turning annular body of the slave end on wheel body；Can be to the driven wheel body of the outside driven wheel body and the inner side integratedly
Carry out the executing agency of position change operation；
The control unit for controlling the executing agency is arranged to the free switching control between normal operating mode and service mode
Molding formula,
In the normal operating mode, the control unit between the rotating forward state and the turned upside down alternately
The mode of switching controls the action of the executing agency, is crimped on the driven wheel body in the inner side described under the rotating forward state
The turning annular body of driving side and the outside driven wheel body is left from the turning annular body of the driving side, it is described fall
The turning annular body that turns to make the outside driven wheel body be crimped on the driving side under state and make the driven wheel body in the inner side
Leave from the turning annular body of the driving side,
In the service mode, the control unit controls the dynamic of the executing agency in the way of switching to neutral condition
Make, under the neutral condition, the driven wheel body in inner side and the outside driven wheel body both sides do not receive from the driving
The power transmission of the turning annular body of side.
According to the present invention, in the case where operation traveling is carried out, control unit switches to usual control model, and with by fan
The turned upside down of the reverses direction rotation driving in the rotating forward state of the forward direction rotation driving to cooling and to dedusting
Between the mode of alternately switching control the action of executing agency.And, after the end of job, in the upkeep operations such as inspection that place under repair
In, control unit switches to service mode.In service mode, executing agency is controlled by control unit, switch to inner side driven pulley
Body and outside driven wheel body both sides do not receive the neutral condition of the power transmission of the turning annular body from driving side.
As a result, in order to the framework on each part slave side in rotation status switching mechanism is unloaded by upkeep operation
When, will not easily be carried out unloading operation by the reaction force of the turning annular body from driving side relative to driven wheel body.
Therefore, it is possible to easily carry out the upkeep operations such as the repairing inspection of rotation status switching mechanism.
Present invention it is preferred that,
The engine cooling apparatus of the working truck possess neutral condition detection machine of the detection in the neutral condition
Structure,
The control unit is configured to the action for controlling the engine, and is configured in the service mode, works as institute
State after engine action stops when being commanded restarting, if the neutral condition testing agency is not detected by described
Vertical state, then forbid the startup of the engine to process.
According to this structure, in service mode, in the state of stopping engine action, for example, rotation status are unloaded
Each part in switching mechanism and carry out upkeep operation.After upkeep operation terminates, assembled in rotation status switching mechanism again
Each part.
When upkeep operation is carried out, switch to the driven wheel body in inner side and outside driven wheel body both sides do not receive to come self-driven
The neutral condition of the power transmission of the turning annular body of side, but after upkeep operation terminates, it is possible in inner side driven wheel body and
The installation site of outside driven wheel body is assembled in the state of deviateing appropriate location.If so unsuitable assembling shape
State, due to neutral condition, testing agency is not detected by neutral condition, even if instructing engine restarting, can also forbid sending out
The startup of motivation is processed.
Therefore, after upkeep operation terminates, the installation site in the driven wheel body in inner side and outside driven wheel body can be avoided
Engine action is made directly in the state of deviateing appropriate location.
Present invention it is preferred that,
The engine cooling apparatus of the working truck possess notice mechanism, when instructing the engine to restart,
If the neutral condition testing agency is not detected by the neutral condition, described notice authority notification situation.
According to this structure, in service mode, after upkeep operation terminates, even if when instructing engine restarts,
And engine notifies that mechanism plays notice effect when not starting, therefore operator is able to recognize that the driven wheel body in inner side and outside
The installation site of driven wheel body deviates appropriate location, is not suitably installed.
Therefore, operator performs assembling operation after mechanism action is notified immediately again, thus, it is possible to by inner side driven pulley
The installation site amendment of body and outside driven wheel body can take reply to appropriate location.
Present invention it is preferred that,
The rotation status switching mechanism possesses and supports the driven wheel body in the inner side and the outside driven wheel body respectively
Supporting member,
The executing agency is configured to supporting member described in moving operation and to the outside driven wheel body and the inner side
Driven wheel body integratedly carries out position change operation,
The neutral condition testing agency is configured to the detection of the operating position based on the supporting member in the neutrality
State.
According to this structure, by executing agency's moving operation supporting member, outside driven wheel body and inner side can be made driven
Wheel body carries out position change together, compares with moving operation outside driven wheel body respectively with the structure of the driven wheel body in inner side, can
Simplify structure.And, the operating position of supporting member detects in neutral condition testing agency, and structure simplifies, and can
Suitably detection is in neutral condition.
Present invention it is preferred that,
The engine cooling apparatus of the working truck possess the top for covering the engine closed mode and open
The hood of free switching posture between the open mode of the top for putting the engine,
The rotation status switching mechanism is detachably installed on the hood.
According to this structure, engine action is made and in the case of carrying out usual operation, the top of engine is by closing shape
The hood of state is covered.On the other hand, in the case where the upkeep operation of the repairing inspection of engine etc. is carried out, hood
Open mode is switched to, becomes the state for opening the top of engine.
As rotation status switching mechanism is detachably installed on hood, so beating when hood is switched to
During open state, rotation status switching mechanism can be unloaded from hood.That is, when hood is closed, should
Hood can support rotation status switching mechanism as the frame parts function of body side.And, when being started
During upkeep operation around machine, by rotation status switching mechanism is unloaded from hood, rotation status switching machine can be made
Structure will not become obstacle and hood is switched to open mode.
Description of the drawings
Fig. 1 is the overall side view of united reaper.
Fig. 2 is the overall top view of united reaper.
Fig. 3 is the front view of power part.
Fig. 4 is the longitudinal cross-sectional side view in handover operation portion.
Fig. 5 is the front view for representing rotation status switching mechanism.
Fig. 6 is the side view of the rotation status switching mechanism under rotating forward state.
Fig. 7 is the side view of the rotation status switching mechanism under turned upside down.
Fig. 8 is the side view of the rotation status switching mechanism under neutral condition.
Fig. 9 is control block diagram.
Figure 10 is the flow chart of control action.
Figure 11 is the figure of the dispaly state for representing liquid crystal display part.
Figure 12 is to represent the figure for notifying dispaly state.
Description of reference numerals
13：Engine
14：Hood
19：Radiator
20：Fan
22：Rotation status switching mechanism
23：The turning annular body of driving side
24：The driven wheel body in inner side
25：Outside driven wheel body
26：Fans drive wheel body
27：The turning annular body of slave end
40：Executing agency
44：Supporting member
54：Neutral condition testing agency
56：Control unit
58：Notify mechanism
Specific embodiment
Hereinafter, the embodiment of the engine cooling apparatus of the working truck of the present invention is applied to as work based on accompanying drawing
The situation of the united reaper of of industry vehicle is illustrated.
As shown in Figures 1 and 2, in the united reaper of the present invention, by the crawler travel device 1,1 of pair of right and left
The front portion of the travel machine body of traveling possesses the harvesting portion 2 that vertical paddy stalk is planted in harvesting.Around possessing on the right side of the front portion of travel machine body by
The Drive Section 4 that driver's cabin 3 is covered, possesses the paddy to being gathered in by harvesting portion 2 at the rear portion of travel machine body with transversely arranged state
Bar carries out the sheller unit 5 of threshing process, and the grain storehouse 6 of grain that obtains by threshing process of storage.With positioned at traveling machine
The state driven below seat 7 in the Drive Section 4 of body possesses power part 8, and possesses to discharge to outside machine and be stored in grain storehouse 6
Grain unloader 9.
In this embodiment, when defining the fore-and-aft direction of body, defined according to the body direction of advance under job state,
When defining the left and right directions of body, the definition left and right in the state of to the observation of body direction of advance.That is, symbol in Fig. 1 and Fig. 2
(F) direction shown in is that, on front side of body, the direction in Fig. 1 and Fig. 2 shown in symbol (B) is on rear side of body.Symbol (L) institute in Fig. 2
The direction for showing is that, on the left of body, the direction in Fig. 2 shown in symbol (R) is on the right side of body.
As shown in Fig. 2 Drive Section 4 possess drive seat 7, positioned at drive seat 7 in front of front panel 10, before this
Plate 10 and drive base plate 11 between seat 7, positioned at the side panel 12 of horizontal side of 2 side of harvesting portion etc. for driving seat 7.
As shown in figure 1, hood 14 possess the front panel portion 14a of the body front side positioned at engine 13, positioned at starting
Upper surface part 14b of the body upper side of machine 13, it is formed at driving seat in the state of the rear with upper surface part 14b is connected
Inlet plenum structural portion 14c at 7 rears etc., and it is transversely inwardly open and to the engine of body lower opening to be formed in body
Room.Drive the top that seat 7 is supported on upper surface part 14b.In addition, it is outside to possess purification in the inside of inlet plenum structural portion 14c
Gas the air filter 15 to the supply combustion air of engine 13, the upper position at the right side rear portion of driver's cabin 3 have
It is ready for use on the coarse filter 16 supplied by extraneous gas purification in advance and to air filter 15.
As shown in Fig. 2 hood 14, front panel 10, side panel 12, base plate 11, driving seat 7, driver's cabin 3 etc.
Body ground links and forms Drive Section tectosome 17.The Drive Section tectosome 17 is around the axle center up and down of the left rear portion side for driving seat 7
Y1 is rotatably supported on organism frame 18.And, Drive Section tectosome 17 is configured to retreating on the inside of body
Normally using between posture (state shown in solid in Fig. 2) and the maintenance posture (state shown in dotted line in Fig. 2) stretched out laterally
Carry out posture switching.
Although illustrating to detailed structure, grain storehouse 6 is also with Drive Section tectosome 17 in the same manner, vertical around rear portion
Axle center Y2 is rotatably supported on organism frame 18, and is configured to normally use posture what is retreated on the inside of body
Posture switching is carried out between (state shown in solid in Fig. 2) and the maintenance posture (state shown in dotted line in Fig. 2) stretched out laterally.
And, it is configured to, in the state of to switch to grain storehouse 6, allows hand over to making Drive Section tectosome 17 outside
The maintenance posture that side is stretched out.
As shown in figure 3, in power part 8, possessing in hood 14：What engine 13, the engine 13 were cooled down dissipates
Hot device 19, from engine 13 power drive and carry out cooling down the fan 20 of wind ventilation to radiator 19, located at hood
So that the state that its entire surface is covered is possessed Air Filter 21 on the connected entrance with extraneous gas on 14 horizontal side surface.
And, in power part 8, with can by fan 20 to cooling forward direction rotation driving rotating forward shape
State and to the rotation status switching mechanism 22 switched between the turned upside down of the reverses direction rotation driving of dedusting.Then, it is right
The rotation status switching mechanism 22 is illustrated.
As shown in Figures 4 and 5, rotation status switching mechanism 22 possesses：As the drive of the dynamic rotation using engine 13
First transmission belt 23 of the turning annular body of dynamic side；As the driven wheel body in inner side connected with the inner peripheral surface of the first transmission belt 23
Forward belt wheel 24；As the reversing belt wheel 25 of the outside driven wheel body connected with the outer peripheral face of the first transmission belt 23；As
Wound on forward belt wheel 24, reversing with belt wheel 25 and as fans drive wheel body fans drive with driven on belt wheel 26
Second transmission belt 27 of the turning annular body of side；As the supporting member for supporting forward belt wheel 24 and reversing belt wheel 25 respectively
Switching part 28；Moving operation switching part 28 and can integratedly enter line position to forward belt wheel 24 and reversing belt wheel 25
Put the handover operation portion 29 of change operation.
As shown in figure 8, handover operation portion 29 is positioned away from located at the upper side in switching part 28, possess：As holding
The electro-motor 40 of row mechanism；Engage with the output gear 41 of the path driven by the electro-motor 40 and powered big footpath
Driven gear 42；The rotating-operation member 43 integratedly rotated with driven gear 42.And, the handover operation portion 29 loads and unloads freely
Be installed on hood 14.
First transmission belt 23 is wound on the output pulley for being rotatably freely supported on the idle pulley 31 of rotary shaft 30, engine 13
32 and alternating current generator 33 input belt wheel 34 on, the rotary shaft 30 is supported on the side surface of engine 13.With around exchange
The transverse axis core P1 of the housing upper of generator 33 swings the front end of the tension arm 35 that mode freely is supported by and is supported with tensioning wheel
36.And, it is provided with the spring 37 exerted a force to 23 side of the first transmission belt to tension arm 35.Using the active force of spring 37, it is tensioned
Wheel 36 is pressed against on the outer surface of the first transmission belt 23 all the time, forms the structure for applying tensile force to the first transmission belt 23.
The fans drive belt wheel 26 for winding the second transmission belt 27 is rotated against and outer is freely supported on rotary shaft 30.Should
The base portion of fan 20 is installed on the lug boss of fans drive belt wheel 26.Therefore, fan 20 and fans drive belt wheel 26 1
The rotation of body ground.
Switching part 28 is formed as the tabular in general triangular during side-looking, a corner positions of the switching part 28
Rotary shaft 30 is supported on rotatably via lug boss.And, respectively positioned at other two angular positions of switching part 28
In the support shaft 38,39 put, forward belt wheel 24 and reversing belt wheel 25 are rotatably supported with.As shown in figure 5, forward
Belt wheel 24 and reversing belt wheel 25 are integrally formed with the first contact site 24a, 25a and the second contact site 24b, 25b respectively, and this
One contact site 24a, 25a are contacted with the first transmission belt 23, and second contact site 24b, 25b are contacted with the second transmission belt 27.
As shown in Figure 6 to 8, the output pulley 32 of engine 13 with engine 13 action rotate, so as to first pass
It is dynamic to be driven in the state of rotating towards the direction of arrow for illustrating all the time with 23.And, if towards the forward position shown in Fig. 6
A1 swinging operations switching part 28, then become the rotating forward state of the forward direction rotation driving fan 20 to cooling.That is, rotate forward
The inner peripheral surface of the first transmission belt 23 is pressed with the first contact site 24a of belt wheel 24, the power of the first transmission belt 23 is via forward
The second contact site 24b and the second transmission belt 27 of belt wheel 24, is transferred to be input into belt wheel 34,20 direction of fan as forward power
Clockwise direction shown in Fig. 6 is driven forward.
When fan 20 is so driven forward, become normal ventilation state, under the ventilation state, by fan 20
Sucking action makes extraneous gas flow to engine 13 side by radiator 19 from Air Filter 21 as cooling wind.
When by 28 swinging operation of switching part to inverted position A2 shown in Fig. 7, then become the reversing side to dedusting
To the turned upside down of rotation driving fan 20.That is, reverse the outer of the first transmission belt 23 is pressed with the first contact site 25a of belt wheel 25
Side face, the power of the first transmission belt 23 via the reversing second contact site 25b and the second transmission belt 27 of belt wheel 25, as reversing
It is transferred to be input into belt wheel 34 with power, fan 20 is reversed driving towards the counter clockwise direction shown in Fig. 7.
When so reverse drive fan 20 when, acted on by the blowout of fan 20, air with common ventilation state phase
Anti- mode flows, and blows away the rubbish for being attached to the surface and Air Filter of radiator 19.
When by 28 swinging operation of switching part to neutral position A3 shown in Fig. 8, then become forward belt wheel 24 and fall
Conversion 25 both sides of belt wheel are not crimped on the first transmission belt 23 and do not receive the neutral condition of power transmission.The neutral condition be
Carry out the drive state used during the upkeep operations such as the inspection repairing of rotation status switching mechanism 22.
Then, the mounting structure in handover operation portion 29 is illustrated.
Electro-motor 40, driven gear 42 and the rotating-operation member 43 for integratedly rotating in handover operation portion 29
Supporting member 44 is supported on respectively.As shown in Figures 4 and 5, supporting member 44 possesses the top of the flat-hand position positioned at upper side
Installing plate 44A, be fixed on top installing plate 44A left and right pars intermedia downside and extend downward vertical piece 44B, set
Put reinforcing plate 44C of the inclination attitude between installing plate 44A and vertical piece 44B.
Housing section 40a of electro-motor 40 is bolted and is fixed on vertical piece 44B, while the rotation of electro-motor 40
Axle 40b insertion vertical piece 44B are simultaneously prominent to opposition side, possess output gear 41 in the protuberance of rotary shaft 40b.Output gear
The driven gear 42 in the big footpath of 41 engagements is set to shaft core P2 of the fixing axle 45 around left and right directions and is rotatably supported at freely this
The state of fixing axle 45, what the fixing axle 45 was fixed on the vertical piece 44B of supporting member 44 arrange side with electro-motor 40
Contrary side.And, it is provided with a horizontal face of the driven gear 42 and the driven gear 42 is integratedly rotated
Rotating-operation member 43.
And, supporting member 44 is detachably installed on hood 14.Air inlet cell structure in hood 14
The lower face side of the bottom of portion 35c, is fixed with pair of right and left of the section in generally L-shaped in the lateral direction at spaced intervals and pacifies
46 are shelved, and to be provided with cover side installing plate 47 in the state of being integrally fixed between the installing rack 46 of left and right.In the cover side
Four bolts 48 are fixed with state prominent downwards on installing plate 47.
The bolt-inserting hole 49 for four insertions of bolt 48 is formed with the top installing plate 44A of supporting member 44.
Top installing plate 44A is resisted against in the state of inserting bolt-inserting hole 49 respectively four bolts 48 following table of cover side installing plate 47
Surface side, by bolt 48 and nut 50 are connected, supporting member 44 is installed in hood 14.By unloading four nuts
40, supporting member 44 can be unloaded from hood 14.
The top installing plate 44A of supporting member 44 is linked in four bolts 48 of cover side installing plate 47, positioned at front portion
Three bolts 48 beyond the bolt 48a on right side, are fixedly welded on cover side installing plate 47 with downward projection of state.Positioned at front portion
The bolt 48a on right side can pass through nut 50 and be connected the top installing plate 44A of supporting member 44, while becoming relative to cover
The structure of the releasably threaded connection of side installing plate 47.This is in order to for example, as shown in Fig. 2 Drive Section tectosome 17 is being cut
When shifting to safeguard posture, it is to avoid be located in the bolt 48 for being projected from cover side installing plate 47 downwards the bolt 48a on anterior right side with
Pipe arrangement h of intercooler 62 being provided on the outside of radiator 19 etc. is contacted.
As shown in Fig. 4, Fig. 6 and Fig. 7, the winding unit of the generally fan-shaped shape integratedly rotated with switching part 28 is provided with
51, the another side of line 52 that a side be connected with the pin 43a located at rotating-operation member 43 and the pin for being located at winding unit 51
51a connects.Wired guide portion 51b is formed on winding unit 51, line guide portion 51b is grasped along with the swing of switching part 28
Make to guide under the roundabout reeling condition of the peripheral part of rotary shaft 30 in arc-shaped with line 52.With rotating-operation member
The pin 43a of 43 line connection positions away from being provided with pin 43b in the circumferential.In pin 43b and the pendulum located at switching part 28
Open between the pin 28a of moved end side and be provided with the functional unit i.e. helical spring 53 for possessing stroke absorption function.
If driving electro-motor 40, towards forward position side, i.e., to the operation rotating operation rotationally clockwise in Fig. 4
Part 43, then via helical spring 53 in linkage towards operation switching part 28 rotationally clockwise.As shown in fig. 6, work as cutting
Part 28 is changed positioned at the angle corresponding with forward position A1, becomes the rotating forward shape appropriate to the tensioning degree of the first transmission belt 23
During state, pin 43b exceeds the maximum a little, and the pulling force applied via helical spring 53 caused by the tension force of the first transmission belt 23 is switched to
Stop to the state of the direction effect with direction contrary before, the i.e. rotating operation of electro-motor 40, and electro-motor 40
Action, keeps the state.
In addition, electro-motor 40 is internally built-in with worm gear reducer mechanism, and it is configured in the rotation for making electro-motor 40
After rotation work stops, revolving force is acted on from 42 side of driven gear even with the tension force of the first transmission belt 23, also prevent which from rotating.
Then, if driving rotating-operation member 43 about 180 °, line towards counterclockwise rotates by electro-motor 40
52 carry out drawing operation, and, also towards counterclockwise swinging, switching part 28 is by swinging operation to inverted position for switching part 28
A2.Then, as shown in fig. 7, when switching part is positioned at the angle corresponding with inverted position, becoming opening to the first transmission belt 23
During the appropriate turned upside down of range degree, pin 43a exceeds the maximum a little, by the tension force of the first transmission belt 23 cause via helical spring
52 pulling force for applying switch to the state to the direction effect with direction contrary before, the i.e. rotating operation of electro-motor 40,
And 40 stopping action of electro-motor, keeps the state.
In this case, when from forward position A1 swinging operations switching part 28 to inverted position A2, along with switching
The swing of part 28 and helical spring 53 is operated to 28 side of switching part drawing, but be at the same time connected with turning for helical spring 53
The pin 43a of dynamic functional unit 43 also to 28 side shifting of switching part, therefore relative to switching part 28 from forward position A1 to fall
The swinging operation of A2 is put in indexing, and helical spring 53 will not become big resistance.Thus, by electronic to both forward and reverse directions rotating operation
Motor 40, can be alternately switched to rotating forward state and turned upside down.
The neutral position of the swinging operation position as detection switching part 28 is provided with positioned at the lower side of alternating current generator 33
Put the operating position sensor 54 of the potentiometer type of of testing agency.The operating position sensor 54 is configured to, by even
Bar 55 located at the swing side of the motion arm 54b of sensor main body 54a and described is being cut freely around transverse axis core P3 swinging operations
It is connected between the swinging end side position for changing part 28, and exports the inspection corresponding with the swinging operation position of switching part 28
Measured value.
And, as shown in figure 9, being provided with the control unit 56 of the utilization microcomputer of control 40 action of electro-motor.Operation
The detection information of position sensor 54 is transfused to the control unit 56.Possess：For by the power supply on-off to each electrical equipment
Main switch 57；On the front panel 10 of Drive Section 4, the touch surface that various information can be shown and command operating can be carried out
Board-like liquid crystal display part 59；Their information is also input to control unit 56.Control unit 56 is based on operating position sensor 54
Detection information controls the action of electro-motor 40, while being controlled by the action of control starter motor 59 or fuel stop valve 60
The action of engine 13, further, controls the action of liquid crystal display part 58.
Main switch 57 is set to energy handover operation extremely to stop the open position of the power supply to each electrical equipment, carries out to each electric
The on-position of the power supply of equipment, the startup position of the startup of instructing engine 13.Will in the state of engine stop action
Main switch 57 is operated when position is started, and control unit 56 makes 59 action of starter motor so as to start engine 13.Starting motor-driven
When in the state of work operate main switch 57 to open position, stop the power supply to each electrical equipment, while control unit 56 makes combustion
Expect 60 action of stop valve and stop the action of engine 13.
In normal operating mode, control unit 56 is controlled in the way of alternately switching between rotating forward state and turned upside down
The action of electro-motor 40, under the rotating forward state, makes switching part 28 positioned at forward position A1, makes forward belt wheel 24
First contact site 24a is crimped on the first transmission belt 23, and reversing belt wheel 25 is left from the first transmission belt 23, in the reversing shape
Under state, make switching part 28 be located at inverted position A2, make the first contact site 25a of reversing belt wheel 25 be crimped on the first transmission belt
23, and forward belt wheel 24 left from the first transmission belt 23.
In service mode, control unit 56 controls the action of electro-motor 40, in institute in the way of switching to neutral condition
State under neutral condition, forward belt wheel 24 and 25 both sides of reversing belt wheel do not receive to pass from the power of the first transmission belt 23
Pass.
In service mode, control unit 56 is configured to, after 13 action of engine stops during instruction restarting, if behaviour
Making position sensor 54 is not detected by then forbidding in neutral condition the startup of engine 13 to process, while as the machine of notice
Show on the liquid crystal display part 58 of structure and notify the situation.
Hereinafter, to being illustrated to the control action of electro-motor 40 by control unit 56.
When operation main switch 57 is to on-position, and when switching on power, control unit 56 starts control process.Such as Figure 10 institutes
Show, after control starts, operating (step 1) is performed with normal operating mode.That is, initial setting normal operating mode is used as control mould
Formula.
In normal operating mode, fan 20 is switched to forward drive to forward position A1 by operation switching part 28
Rotating forward state, afterwards, after have passed through forward setting time (for example, or so a few minutes), operation switching part 28 is to reversing position
Put A2 and fan 20 is switched to and reverses the turned upside down for driving.Then, set through reversing from turned upside down is switched to
After time (for example, several seconds or so), rotating forward state is switched to again.Repeat such between the state of rotating forward and turned upside down
Switching action, every setting time interval make fan 20 reverse drive, blow away the dust for being attached to Air Filter 21.Work as main switch
57 operate to open position and instructing engine operates fuel stop valve 60 and stops the action (step of engine 13 when stopping
3)。
In order to carry out the upkeep operation to rotation status switching mechanism 22, when operator operates liquid crystal display part 58 and instructs
During service mode, to arrange mark (step 2,4) and operate switching part 28 in the way of neutral position, electro-motor 40 is controlled
Action (step 5).Afterwards, when instructing engine stops, stopping the action (step 6,7) of engine 13.In this condition,
Operator performs upkeep operation.
Based on the detection information of operating position sensor 54, control unit 56 judges that switching part 28 is moved to neutral position.And
And, as shown in figure 8, neutral condition of the switching part 28 in neutral position A3 is forward belt wheel 24 and reversing belt wheel 25 pairs
Side is not crimped on the first transmission belt 23 and does not receive the state of power transmission.Under the neutral condition, relative to switching part
Part 28, will not by the operation reaction force of the tension force relative to the first transmission belt 23, therefore, it is possible in order to upkeep operation it is easy
Ground enters to be about to the operation that switching part 28 or electro-motor 40 are unloaded from supporting member 44.
The setting of service mode is carried out using liquid crystal display part 58.As shown in Figure 11 (a), liquid crystal display part 58 is set in the early stage
Determine under state, the various information of operation, for example, the load condition or grain of sheller unit are shown by main viewing area 58A
Storage state etc..Possess mode display region 58B in the lower side of main viewing area 58A and instruct switching to service mode
Pattern switching instruction department 58C.
As operator scheme switching command portion 58C, shown in such as Figure 11 (b), the switching confirmation screen to service mode is shown,
If operational order portion 58D, such as shown in Figure 11 (c), service mode is switched to.If operator scheme switching command portion 58C again,
Return A-stage.So need to operate for several times to the setting of service mode, will not carry out to service mode because of maloperation
Switching.
Afterwards, if operation main switch 57 is to startup position, instructing engine starts (step 8), is now upkeep operation knot
After beam and when mark (being service mode) is set, if operating position sensor 54 is not detected by neutral condition, forbid
The startup of engine 13 is processed and maintains halted state, while on as the liquid crystal display part 58 for notifying mechanism showing and notifying
The situation (step 9,10,11,12).As the display of liquid crystal display part 58, such as shown in Figure 12, show in principal representation region
Announcement information as " fan reverse winding mechanism is not normally arranged ".Then, wait next engine start instruction.
If operating position sensor 54 detects neutral condition, mark is reset, make 29 action of starter motor and start to send out
Motivation 13 (step 13,14).Even if in the case that mark is reset in step 9, also starting engine 13 (step 15).
[other embodiment]
(1) in the above-described embodiment, when service mode is set as, it is based on the manually operated action for making engine 13
The structure of stopping, but it is also possible to replacing the structure and be configured to, when service mode is set, control electro-motor 40 makes switching
After part 28 is neutral position, the power supply to control unit is automatically stopped, while being automatically stopped the action of engine 13.
(2) in the above-described embodiment, even if in the state of 13 action of engine, it is also possible to switch to service mode,
But the structure can also be replaced and be configured to, in the state of to the supply power supply of control unit 56, be stopped with the action of engine 13
For condition, it is allowed to the switching of service mode.
(3) in the above-described embodiment, as neutral condition testing agency, the operating position of potentiometer type has been used to sense
Device 54, but it is also possible to replace the structure and use the detection switch such as such as limit switch.In addition, for example, as electronic horse
Reach, it is also possible to using the impulse motor of the displacement that regulation is only rotated by pulse current, and based on starting from action
The count value of pulse, detects neutral position.
(4) in the above-described embodiment, when instruction restarting after 13 action of engine stopping, if being not detected by place
In neutral condition, then the startup of engine 13 is forbidden to process, while using the notice authority notification situation, but it is also possible to be configured to
Only notified and allowed the startup of engine 13, it is also possible to be configured to forbid the startup of engine 13 to process and do not passed through
Notify the notice of mechanism.
(5) in the above-described embodiment, the structure for notifying that mechanism is made up of liquid crystal display part 58 is illustrated, but as notice
Mechanism, it is also possible to replace liquid crystal display part 58, and use display lamp bright light or make other notice mechanisms such as buzzer work.
(6) in the above-described embodiment, by executing agency (electro-motor) moving operation switching part 28 to rotating forward
Position change operation is carried out with belt wheel 24 and reversing belt wheel 25 integratedly, but it is also possible to be configured to using Liang Ge executing agencies point
Other moving operation forward belt wheel 24 and reversing belt wheel 25.
(7) in the above-described embodiment, using electro-motor 40 as executing agency, but it is also possible to replace electro-motor,
But other devices such as electronic cylinder body, hydraulic motor, hydraulic cylinder.
The invention is not restricted to united reaper, it is also possible to suitable for the other kinds of Operation Van such as tractor, engineering machinery
.
Claims (8)
1. a kind of engine cooling apparatus of working truck, it is characterised in that possess：From engine (13) power drive and to
Radiator (19) carries out the fan (20) for cooling down wind ventilation；Can be by the fan (20) in the forward direction rotation to cooling
The rotating forward state of driving and to the rotation status switching machine switched between the turned upside down of the reverses direction rotation driving of dedusting
Structure (22)；
The rotation status switching mechanism (22) possesses：Turned using the ring-type of the driving side of the dynamic rotation of the engine (13)
Kinetoplast (23)；The driven wheel body in the inner side (24) connected with the inner peripheral surface of the turning annular body (23) of the driving side；With the drive
The outside driven wheel body (25) that the outer peripheral face of the turning annular body (23) of dynamic side connects；Wound on the outside driven wheel body
(25), the turning annular body of the driven wheel body in the inner side (24) and fans drive with the slave end on wheel body (26)；Can to institute
Stating outside driven wheel body (25) and the inner side driven wheel body (24) integratedly carries out the executing agency (40) of position change operation；
The control unit (56) for controlling the executing agency (40) is arranged between normal operating mode and service mode freely cut
Change control model,
In the normal operating mode, the control unit (56) between the rotating forward state and the turned upside down alternately
The mode of switching controls the action of the executing agency (40), under the rotating forward state presses the driven wheel body in the inner side (24)
It is connected to the turning annular body (23) of the driving side and the outside driven wheel body (25) is turned from the ring-type of the driving side
Kinetoplast (23) leaves, and makes the outside driven wheel body (25) be crimped on the turning annular of the driving side under the turned upside down
Body (23) and the driven wheel body in the inner side (24) is made to leave from the turning annular body (23) of the driving side,
In the service mode, the control unit (56) controls the executing agency (40) in the way of switching to neutral condition
Action, under the neutral condition, the driven wheel body (24) in the inner side and the outside driven wheel body (25) both sides do not receive
From the power transmission of the turning annular body (23) of the driving side.
2. engine cooling apparatus of working truck as claimed in claim 1, it is characterised in that
The engine cooling apparatus of the working truck possess neutral condition testing agency of the detection in the neutral condition
(54),
The control unit (56) is configured to control the action of the engine (13), and is configured in the service mode,
When being commanded restarting after the engine (13) action stops, if the neutral condition testing agency (54) is not detected
To in the neutral condition, then the startup of the engine (13) is forbidden to process.
3. engine cooling apparatus of working truck as claimed in claim 2, it is characterised in that
The engine cooling apparatus of the working truck possess notice mechanism (58), restart when the engine (13) is instructed
When, if the neutral condition testing agency (54) is not detected by the neutral condition, notice mechanism (58) is led to
Know the situation.
4. engine cooling apparatus of working truck as claimed in claim 2 or claim 3, it is characterised in that
The rotation status switching mechanism (22) possesses
The supporting member (44) of body (25),
The executing agency (40) be configured to supporting member described in moving operation (44) and to the outside driven wheel body (25) and
The driven wheel body (24) in the inner side integratedly carries out position change operation,
The neutral condition testing agency (54) is configured to the detection of the operating position based on the supporting member (44) in described
Neutral condition.
5. engine cooling apparatus of working truck as claimed in claim 4, it is characterised in that
The engine cooling apparatus of the working truck possess the top for covering the engine (13) closed mode and open
The hood (14) of free switching posture between the open mode of the top for putting the engine (13),
The rotation status switching mechanism (22) is detachably installed on the hood (14).
6. engine cooling apparatus of the working truck as any one of claims 1 to 3, it is characterised in that
The engine cooling apparatus of the working truck possess the top for covering the engine (13) closed mode and open
The hood (14) of free switching posture between the open mode of the top for putting the engine (13),
The rotation status switching mechanism (22) is detachably installed on the hood (14).
7. engine cooling apparatus of working truck as claimed in claim 1, it is characterised in that
The supporting member (44) is detachably installed on the hood (14).
8. engine cooling apparatus of working truck as claimed in claim 7, it is characterised in that
Pair of right and left installing rack (46) is fixed with the lower face side of the hood (14), and in the installing rack (46)
Cover side installing plate (47) is provided with,
Possess top installing plate (44A) on the supporting member (44),
By cover side installing plate (47) and the top installing plate (44A) are connected, and the supporting member (44) is installed
In the hood (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-184189 | 2015-09-17 | ||
| JP2015184189A JP6529403B2 (en) | 2015-09-17 | 2015-09-17 | Engine cooling system for work vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106545400A true CN106545400A (en) | 2017-03-29 |
| CN106545400B CN106545400B (en) | 2020-11-27 |
Family
ID=58365787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610463931.4A Active CN106545400B (en) | 2015-09-17 | 2016-06-23 | Engine cooling device for working vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6529403B2 (en) |
| KR (1) | KR102576378B1 (en) |
| CN (1) | CN106545400B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110122051A (en) * | 2018-02-09 | 2019-08-16 | 株式会社久保田 | Combine harvester |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7034754B2 (en) * | 2018-02-19 | 2022-03-14 | 株式会社クボタ | combine |
| JP6614518B1 (en) * | 2018-06-28 | 2019-12-04 | 井関農機株式会社 | Combiner power structure |
| JP7485631B2 (en) * | 2021-03-31 | 2024-05-16 | ヤンマーホールディングス株式会社 | combine |
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| JPH0552243A (en) * | 1991-06-21 | 1993-03-02 | Kubota Corp | Engine cooling device |
| CN2895753Y (en) * | 2006-01-11 | 2007-05-02 | 重庆大江动力设备制造有限公司 | Silenced general IC generator group cooling system |
| JP2015065872A (en) * | 2013-09-27 | 2015-04-13 | 株式会社クボタ | Combine harvester |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5052243A (en) * | 1973-09-14 | 1975-05-09 | ||
| JP3647350B2 (en) * | 2000-03-15 | 2005-05-11 | 株式会社クボタ | Engine cooling device for work vehicle |
| KR100511396B1 (en) * | 2002-11-27 | 2005-08-30 | 대동공업주식회사 | apparatus for reversing the direction of rotation of a cooling fan of a combine-harvestor engine |
| JP2005253406A (en) * | 2004-03-12 | 2005-09-22 | Mitsubishi Agricult Mach Co Ltd | Pretreatment driving system of combine harvester |
| JP4866055B2 (en) * | 2005-10-25 | 2012-02-01 | 小橋工業株式会社 | Harvesting machine |
| JP5475576B2 (en) * | 2010-07-07 | 2014-04-16 | 富士重工業株式会社 | Belt cover and belt attaching method using the belt cover |
| JP2012167649A (en) * | 2011-02-16 | 2012-09-06 | Kubota Corp | Engine cooling fan device |
| JP5678922B2 (en) * | 2012-05-31 | 2015-03-04 | 井関農機株式会社 | Working part structure of work vehicle |
| JP5822013B2 (en) * | 2014-08-29 | 2015-11-24 | 井関農機株式会社 | Combine |
-
2015
- 2015-09-17 JP JP2015184189A patent/JP6529403B2/en active Active
-
2016
- 2016-06-15 KR KR1020160074527A patent/KR102576378B1/en active IP Right Grant
- 2016-06-23 CN CN201610463931.4A patent/CN106545400B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0552243A (en) * | 1991-06-21 | 1993-03-02 | Kubota Corp | Engine cooling device |
| CN2895753Y (en) * | 2006-01-11 | 2007-05-02 | 重庆大江动力设备制造有限公司 | Silenced general IC generator group cooling system |
| JP2015065872A (en) * | 2013-09-27 | 2015-04-13 | 株式会社クボタ | Combine harvester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110122051A (en) * | 2018-02-09 | 2019-08-16 | 株式会社久保田 | Combine harvester |
| CN110122051B (en) * | 2018-02-09 | 2023-02-28 | 株式会社久保田 | Combine harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170033766A (en) | 2017-03-27 |
| KR102576378B1 (en) | 2023-09-08 |
| JP6529403B2 (en) | 2019-06-12 |
| JP2017057809A (en) | 2017-03-23 |
| CN106545400B (en) | 2020-11-27 |
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