CN206851370U - Working rig - Google Patents

Abstract

The utility model provides a kind of working rig, and the working rig can be with the simple radiator fan formed when radiator to be disposed in the position for leaving engine and the layout structure of rotating switching mechanism.The rotating switching mechanism (6) set from engine (3) into the power-transmission system of radiator fan (70), which can switch to the direction of rotation of radiator fan (70), to be imported the rotating forward state of cooling wind towards radiator fan (70) side by the ventilation of radiator (7) and the inverted status of cooling wind is blowed from the lateral ventilation surface side of radiator fan (70), working rig has the actuator (100) that operation can be switched over to the rotating forward state and inverted status realized using rotating switching mechanism (6), radiator fan (70), rotating switching mechanism (6) and actuator (100) are supported on cooling end scaffold (8), the cooling end scaffold (8) is positioned away from the position of engine (3).

Description

Working rig

Technical field

A kind of working rig is the utility model is related to, the working rig has radiator fan and rotating switching mechanism, radiating Device fan can select to switch to rotating forward state and any rotation status in inverted status, and rotating switching mechanism radiates this The direction of rotation of device fan is to forward and reverse switching.

Background technology

As the radiator fan of rotating and making the rotating switching mechanism of the radiator fan rotating with being capable of Working rig, the working rig being constructed as below be present.

That is, there is working rig the first transmission belt, inscribed wheel body and external wheel body, the first transmission belt to be wound in the defeated of engine The input belt wheel of pulley and radiator fan, inscribed wheel body can be external with inscribed state contacts in first transmission belt Wheel body can be with external state contacts in the first transmission belt, and working rig also has the second transmission belt, second transmission belt volume It is around in the input belt wheel of the inscribed wheel body, external wheel body and radiator fan.Inscribed wheel body and external wheel body are equipped on Pendular body, the pendular body can be around the axis of rotation identical axis swings of the input belt wheel with radiator fan.

, can be in interior cock wheel body by carrying out swinging operation to pendular body in the rotating switching mechanism so formed Be contacted with the rotating forward state of the first transmission belt and external wheel body be contacted with the inverted status of the first transmission belt between switch over (ginseng According to patent document 1).

Patent document 1：(Japan) JP 2001-263063 publications ((0022), (0023) section, Fig. 2 to Fig. 5)

In the working rig for the construction that above-mentioned patent document 1 is recorded, without being driven forward to the indivedual equipments of radiator fan The transmission belt and drive pulley of system-specific and the transmission belt and drive pulley for being driven reverse system-specific, can multiple purpose from And realize that the simplification of construction and miniaturization aspect are more useful.

However, in this configuration, the input of the output pulley and radiator fan of engine is supported on belt wheel starts Pusher side, and the lateral sides position for being disposed in engine is concentrated, therefore the position of radiator can not be disposed in and leave engine Lateral sides position, so want change radiator position in the case of be difficult to use the construction, in this regard Room for improvement be present.

Utility model content

The purpose of this utility model is, with it is simple formed radiator is disposed in the position for leaving engine when Radiator fan and rotating switching mechanism layout structure.

Working rig in the utility model is characterised by having：Engine；Radiator, it cools down the engine；Dissipate Hot device fan, it is driven by the dynamic rotation of the engine；Passed from the engine to the power of the radiator fan Be provided with rotating switching mechanism in delivery system, the rotating switching mechanism can by with the radiator it is arranged opposite described in The direction of rotation of radiator fan switches to rotating forward state and inverted status, under the rotating forward state, from the radiator wind The side that the side at fan place is opposite introduces cooling wind by the ventilation of the radiator towards the radiator fan side, in institute State under inverted status, blow cooling wind from the lateral ventilation surface side of the radiator fan, the working rig has can be right The actuator of operation, the radiator are switched over inverted status using the rotating forward state that the rotating switching mechanism is realized Fan, the rotating switching mechanism and the actuator are supported on cooling end scaffold, and the cooling end scaffold is located at Leave the position of the engine.

According to the utility model, radiator fan and rotating switching mechanism and for being carried out to the rotating switching mechanism The actuator of handover operation is supported on the cooling end scaffold for the position for leaving engine.Thereby, it is possible to defeated with engine Go out the position in portion etc. independently to set radiator fan, rotating switching mechanism freely on cooling end scaffold and actuate The relative position relation of device.

Therefore, as the transmission mechanism from the output section of engine to the input unit of rotating switching mechanism, it is easy to use Free equipping position and construction, also have in addition radiator fan, rotating switching mechanism and actuator equipping position and The advantages of its supporting construction is also easy to set freely.

Also, closed due to radiator fan, rotating switching mechanism and actuator with suitably maintaining mutual position Cooling end scaffold is supported in the state set of system, therefore will not be by from the output section of engine to rotating switching mechanism The size of distance of input unit, transmission mechanism construction, make the influence that precision etc. is brought, be easy to accurately to be disposed in suitable When position.

In the utility model, it is preferred that there is the wind to the radiator fan in the cooling end scaffold Fan main shaft is pivoted the fan support of supporting, and the free end of cantilever-shaped extension arm is being extended into from the fan support Side has the actuator support that can install the actuator.

Fixed by the position relationship for this structure, making actuator support be arranged between fan support Extend arm, therefore be easy to arrange in the state of the position relationship between fan support is accurately set and actuate Device.

In the utility model, it is preferred that the actuator support is provided in relative to the fan support The side opposite with the input unit of the rotating switching mechanism, power pass from the output section of the engine via transmission mechanism It is delivered to the input unit of the rotating switching mechanism.

By with this structure, making actuator support and the input unit of rotating switching mechanism be disposed of across fan Supporting part is assigned in the state of both sides.Thus, it is easily formed the arranging space around fan support and weight of equipment distribution State in both sides, so as to evenly be arranged.

In the utility model, it is preferred that the rotating switching mechanism has：As the input belt wheel of input unit, Power is delivered to the input belt wheel from the output section of the engine via transmission mechanism；Output pulley, it is equipped on the wind Fan main shaft；Transmission belt, it is wound in the output pulley and the input belt wheel；The output pulley and the input belt wheel installation In the cooling end scaffold.

By the way that with this structure, the output pulley and input belt wheel for making rotating switching mechanism are all installed on cooling end supporting Framework, therefore be easy to accurately position mutual position.Therefore, positive and negative rotational mechanism, cut comprising rotating is wound in The output pulley of converting mechanism is with including the mechanism for inputting the transmission belt of belt wheel and being operated to the transmission belt, being easy to accurately Form.

In the utility model, it is preferred that the rotating switching mechanism have can be connected to the transmission belt The external wheel body of outer circumferential side, can be connected to the transmission belt inner circumferential side inscribed wheel body, be wound in these external wheel bodys and The rotating transmission belt of inscribed wheel body and the output pulley and the external wheel body and the inscribed wheel body are supported Pendular body, the pendular body are pivotally supported as that can be swung around the axle center identical swinging center with the fan main shaft.

By with this structure, so as to using the external wheel body of the outer circumferential side to transmission belt can be connected to and abut The pendular body that inscribed wheel body in the inner circumferential side of transmission belt is supported, the rotating to rotating transmission belt switch over, easily In being formed positive and negative switching mechanism with simple.

In the utility model, it is preferred that the actuator has swinging operation body, the swinging operation body by around along Another axle center in the direction of the swinging center of the pendular body carries out swinging operation, and the swinging operation body and the pendular body are connected The connecting member of knot is disposed in the two of the virtual line segment for linking the swinging center of the pendular body with another axle center Side.

By the way that actuator with this structure, to be provided in the position for the position for leaving pendular body, so as to pass through Swinging operation body is operated using actuator and pendular body operated via connecting member.Therefore, it is possible to actuate Device is configured at the position that the position from various operating mechanisms staggeredly near existing pendular body is left, and can realize the effective of space Using and construction simplification.

In the utility model, it is preferred that the radiator fan is disposed in compared to the engine in rear side Higher position, the input unit upper side configuration more forward than the radiator fan of the rotating switching mechanism are described to actuate Than the radiator fan, lower side arranges device rearward.

By the way that with this structure, the input unit of rotating switching mechanism to be provided to higher position, so as to will be from Engine arranges higher to the transmission mechanism of the input unit relative to ground.Thereby, it is possible to significantly ensure to compare engine The lower side space of the transmission mechanism of more rearward side, it can easily carry out the maintenance of engine environment.Nevertheless, due to Compared to radiator fan, more posteriorly lower side arranges actuator, therefore will not hinder the biography of side more closer to the front than radiator fan Motivation structure and various equipment, it is easy to carry out upkeep operation from the relatively low position of bottom rear side.

In the utility model, it is preferred that homework department's framework is equipped with organism frame, homework department's framework is used for The homework department for being provided to the position higher than the radiator fan is supported, the lower end of the cooling end scaffold is collateral Hold and be linked to homework department's framework in the organism frame, the upper end side of the cooling end scaffold.

By with this structure, can be supported using homework department's framework to the upper end side of cooling end scaffold.Cause This, can pass through the effective using improving the bearing strength of cooling end scaffold of homework department's framework.

In the utility model, it is preferred that the cooling end scaffold erects in After-Body from organism frame.

By with this structure, being easy to be tieed up from body rear side around the body rear side of cooling end scaffold Protect operation etc..

In the utility model, it is preferred that the fan main shaft of the radiator fan is mounted relative to the cooling The center of the fore-and-aft direction width of portion's scaffold eccentric position in the longitudinal direction.

By with this structure, the structure being integrally present in the fore-and-aft direction width of cooling end scaffold with fan main shaft Make and compare, the fore-and-aft direction width of cooling end scaffold can be avoided to reduce as the size suitable with the diameter of fan main shaft The state of affairs.Thus, for example, need not predict cooling end scaffold fore-and-aft direction width reduce it is suitable with the diameter of fan main shaft Size and widen the overall fore-and-aft direction width of cooling end scaffold to supplement the intensity decreases caused by the reduction.

Brief description of the drawings

Fig. 1 is the right side view of united reaper.

Fig. 2 is the overall top view of united reaper.

Fig. 3 is the side view for representing to be connected to the power transmission construction of radiator fan from engine.

Fig. 4 is the top view for representing to be connected to the power transmission construction of radiator fan.

Fig. 5 is the side view for representing the rotating forward drive state in rotating switching mechanism.

Fig. 6 is the side view for representing the reversion drive state in rotating switching mechanism.

Fig. 7 is the side view for representing cooling end scaffold.

Fig. 8 is the side view for representing pendular body.

Fig. 9 is the expansion sectional view for representing the axial pendular body of fan master and radiator fan.

Description of reference numerals

1 organism frame

3 engines

6 rotating switching mechanisms

7 radiators

8 cooling end scaffolds

13 homework department's frameworks

42 transmission mechanisms

60 input belt wheels

61 output pulleys

62 transmission belts

63 external wheel bodys

64 inscribed wheel bodys

65 rotating transmission belts

66 pendular bodies

70 radiator fans

71 fan main shafts

84 fan supports

86 actuator supports

100 actuators

101 swinging operation bodies

102 connecting members

P1 swinging centers

Another axle center of p2

Embodiment

Hereinafter, one example of embodiment of the present utility model is illustrated based on the record of accompanying drawing.

Pay attention to, fore-and-aft direction and left and right directions in description of the present embodiment, if without particularly illustrating, such as with Record down.That is, direct of travel (the reference picture of advance side of the working rig when operation travels in the utility model 1st, the arrow F in 2) it is " preceding ", the direct of travel (the arrow B in reference picture 1,2) for side of drawing back is " rear ", and with the front and back To posture facing forward on the basis of the suitable direction (the arrow R in reference picture 2) in right side be " right side ", it is equally, suitable with left side Direction (the arrow L in reference picture 2) is " left side ".

(overall structure)

Fig. 1 and Fig. 2 is shown as full stalk feeding type (full feed type) connection of an example of working rig of the present utility model Close harvester.Fig. 1 represents the overall right flank of body, and Fig. 2 represents to overlook.

As shown in these figures, above-mentioned full stalk feeding type combined harvester has by pair of right and left in the downside of organism frame 1 Front-wheel 2F, 2F (equivalent to preceding mobile devices) and pair of right and left trailing wheel 2R, 2R (equivalent to rear mobile devices) form row Sail device 2.

There is driver's cabin 15 (equivalent to Drive Section) in the front portion of organism frame 1, side has threshing dress respectively in its rear Put 4 and grain collecting box 5, there is row's stalk processing unit 16 in rearmost part (equivalent to row's stalk processing unit).It is equipped with the grain collecting box 5 Cereal grain-discharging device 54 described later.

Moreover, being set in front portion work is lifted relative to organism frame 1 around along the horizontal axle center of left and right directions is (not shown) The harvesting processing unit 17 of work and constitute from walking body.

On organism frame 1, in the front portion of the organism frame 1, at the position suitable with the horizontal right side of sheller unit 4 Engine 3 is installed.Be equipped with radiator 7 in the rear position for leaving engine 3, across sheller unit 4 and with engine 3 Opposite side is equipped with fuel tank (not shown) with radiator 7.The power of engine 3 is except being passed to above-mentioned mobile devices Outside 2, it is also delivered to sheller unit 4, harvesting processing unit 17 and carries out radiator fan 70 of cooling of radiator 7 etc..

As shown in figure 1, power is delivered to the front-wheel 2F of the mobile devices 2, front-wheel via front wheel driving shaft (not shown) Drive shaft extends to the left and right from the anterior speed changer 20 of organism frame 1 is installed on.That is, power is via being linked to front wheel driving The front axle 2a of moving axis is delivered to the front-wheel 2F as driving wheel.

As shown in figure 1, the trailing wheel 2R is located at the left and right two of trailing wheel scaffold (not shown) at the rear portion of organism frame 1 Side, trailing wheel scaffold are installed freely with being swung around fore-and-aft direction axle center (not shown).Trailing wheel 2R is by bogie car Wheel is formed, and steered wheel has can be around the back axle 2b for swinging up and down axle center progress steering operation (not shown).

The portion at left and right sides of the transverse direction for walking body certainly, in the position than the side on the lower of grain collecting box 5, with positioned at front-wheel 2F with after Wheel 2R between and covering body lateral sides mode be provided with outer mounting cover 9 (equivalent to side part cover).

Outer mounting cover 9 has top cover portion 90 and bottom cover portion 91, and top cover portion 90 is supported to that end edge can be set around Nearby and along the swing pivot z1 of fore-and-aft direction rise and fall and swing, and be configured to cover 9A in wide cut along above-below direction Opening posture along horizontal direction of closing posture and cover 9A between switch posture, bottom cover portion 91 is than in closing The position of the lower edge of the top cover portion 90 of posture side more on the lower is disposed in the lateral outer side of sheller unit 4 and engine 3.Bottom Although cover portion 91 swings around swinging center z1 not as top cover portion 90 and is opened and closed, it is configured to suitably via engaging Accessory is combined with the case supporting station 13 (equivalent to homework department's framework) set to load supporting grain collecting box 5, departed from, to cover The lower side of lid engine 3.

Harvesting processing unit 17, which has, to be supplied the conveying device 17A of the crops such as the stalk gathered in sheller unit 4, will plant What the crop fringe point side of vertical stalk etc. was dialled in dials in wheel 17B, cuts off the harvesting device 17C of strain root side and gather the crop gathered in The lateral transfer auger 17D of the central portion in harvesting width direction is combined in, by crop harvesting and is sent into conveying device 17A, and to de- Grain device 4 supplies.

(sheller unit)

As shown in Fig. 2 sheller unit 4 on organism frame 1 in a manner of thrashing cylinder axis of rotation p0 is along fore-and-aft direction Arrange.The sheller unit 4 is provided in front-wheel 2F and trailing wheel 2R fore-and-aft direction interval in the longitudinal direction, in the lateral direction Also arranged with the state in the front-wheel 2F and trailing wheel 2R of left and right interval width.

In addition, as shown in figure 1, the lower surface of sheller unit 4 is in the front axle for the front-wheel 2F for being used for non-steered wheel 2a is slightly lower and is used for the slightly higher positions of the trailing wheel 2R of steered wheel back axle 2b.That is, the lower surface of sheller unit 4 The back axle 2b substantially phases of trailing wheel 2R positioned at the front axle 2a with the front-wheel 2F as non-steered wheel or as steered wheel Same height.

The sheller unit 4 so arranged is disposed of the thrashing cylinder axis of rotation p0 of sheller unit 4 relative to a left side for body The state of center line CL bias to the left in right direction.Due to the center line on the left and right directions of sheller unit 4 be present in It is disposed in the thrashing cylinder axis of rotation p0 identicals position of the fore-and-aft direction of the thrashing cylinder (not shown) of inside, therefore whole threshing Device 4 is also disposed of the state of the center line CL bias to the left on the left and right directions relative to body.

Sheller unit 4 is formed as long rectangular box on body fore-and-aft direction, internally, with around the thrashing cylinder of fore-and-aft direction The mode that axis of rotation p0 is driven in rotation, equipped with for being carried out to the harvesting crop being sent into from the conveying device 17A sides The thrashing cylinder of threshing processing.In addition to the thrashing cylinder, it is further equipped with together with the air-supply of the winnowing machine (not shown) effect To the harvesting crop after being handled swing sorting process device (not shown) of sorting process etc. by the thrashing cylinder threshing.

(grain collecting box)

As shown in Figures 1 and 2, grain collecting box 5 has the box main body 50 of wide cut in the rear side of driver's cabin 15, the box main body 50 The upside of case supporting station 13 and sheller unit 4 is crossed on, case supporting station 13 is erected on the horizontal right side on organism frame 1, takes off Grain device 4 is located at the horizontal left side of case supporting station 13.The box main body 50 is supported on the case supporting station 13 and sheller unit 4.

The box main body 50 has the bottom auger 51 extended along body fore-and-aft direction in its horizontal right side.

The front of bottom auger 51 is connected to the vertical delivery section 52 towards extension above body.In the upper end of vertical delivery section 52 Portion, it is connected with the horizontal delivery section 53 extended laterally.By setting the bottom auger 51, the vertical delivery section 52 and the horizontal conveying Portion 53, so as to constitute the cereal grain-discharging device 54 for discharging the grain retained in box main body 50 to outside machine.

Horizontal delivery section 53 is supported on the upper end of vertical delivery section 52, Neng Goucong in a manner of it can be rotated around upper and lower axle center y1 The outlet 53a discharge grain that the free end side of the horizontal delivery section 53 is set.

Box main body 50 can be by the flexible work for dumping cylinder 55 of hydraulic operation formula, around the axis of rotation z2 of bottom auger 51 Work is swung, cylinder 55 is dumped and is set across the bottom of the box main body 50 and the bottom of case supporting station 13.That is, box main body 50 Posture can be changed as follows：The bottom surface for being changed into box main body 50 along with the contraction work for dumping cylinder 55 is approximate horizontal Posture retains posture, is changed into the discharge posture of the inclined bottom surface of box main body 50 along with the elongation work for dumping cylinder 55.

As shown in Figures 1 and 3, the square position and in front-wheel 2F and trailing wheel on the right side of the transverse direction of sheller unit 4 of case supporting station 13 It is provided between 2R on organism frame 1.

The case supporting station 13 has more that arranging is separated inside and outside the position and remote position nearer away from sheller unit 4 The vertical pillar 13A and upper end upper box 13B connected to each other that these are indulged to pillar 13A, the box main body 50 are equipped on by indulging The upper box 13B of pillar 13A supportings.

As shown in Figure 1, Figure 2 and Figure 3, on the organism frame 1 with case supporting station 13, in the rear side of engine 3, profit With the lower side space of case supporting station 13, the region of platform and the work easy to use in operations such as maintenances are carried provided with can act as equipment Industry space s1.

In the region that can act as equipment carrying platform, provided with compressor 3C, and with compressor 3C body The state of square side is provided with valve cell 27, and is equipped with battery in a manner of positioned at the rear side of these compressors 3C and valve cell 27 28.Operation with space s1 between the rear end of engine 3 and the front end of radiator 7 than organism frame 1 lateral outer side end more Formed by body inward side.

It is closing appearance that these, which can act as equipment and carry the region of platform and operation space s1 lateral outer side in outer mounting cover 9, Covered during state by the outer mounting cover 9 on the outside of region and operation space s1 that equipment carrying platform is can act as positioned at these, if exterior Cover 9 switches to open posture to be then opened.

(power transmission construction)

Illustrated next, being constructed to the power transmission that the power of engine 3 is delivered to the grade of radiator fan 70.

As shown in Figures 2 and 3, engine 3 is disposed in body with state of the bent axle (not shown) along body left and right directions Right lateral position is leaned on framework 1.

A side (body inward side) on the left and right directions of engine 3, with axis direction along body left and right directions State be provided with as travel output section output pulley (not shown), the output pulley is together with flywheel (not shown) to traveling The speed changer 20 of system exports power.

Another side (body outward side) in the lateral direction, the output shaft 30 as output section protrudes, in the output On axle 30, from away from the nearer side of engine 3 in a manner of unitary rotation to be sequentially installed with the first output pulley 31, second defeated The output pulley 33 of pulley 32 and the 3rd.

In the body outward side of engine 3, with around the axis rotation of the left and right directions of the axis parallel with output shaft 30 Mode, provided with for driving alternating current generator 3B generating driving pulley 34 and for driving Air Blast fan 3A air-supply to drive Movable belt pulley 35.

Also, as shown in figure 3, in the first output pulley 31, generating with driving pulley 34 and air-supply driving pulley 35 The first transmission belt 36 is wound with, first transmission belt 36 is an example of annular rotational band, is made up of a V-belt, adjoint The rotation of the first output pulley 31, rotation driving is carried out to alternating current generator 3B and Air Blast fan 3A.

As shown in figure 3, Air Blast fan 3A is used for the gas supply part formed via the multiple passages for being formed from outer mounting cover 9 92 are taken into extraneous air from the outside of outer mounting cover 9 and are blowed to engine 3.

It is installed on the second output pulley 32 and the middle-range engine 3 of the 3rd output pulley 33 farthest side of output shaft 30 It is smaller than second output pulley 32 that 3rd output pulley 33 is formed as diameter.

Also, the second transmission belt 37 is wound with the 3rd output pulley 33, so as to the rear to being arranged on engine 3 The compressor 3C of side transmits driving force.

(transmission to radiator fan)

Transmission of the power to radiator fan 70 is configured to, as shown in Figures 3 to 6, via the 3rd transmission belt 38, relay axis 41 and aftermentioned rotating switching mechanism 6 taken out using the power of engine 3 as the driving force of radiator fan 70, the 3rd transmission With 38 wound on being installed on the second output pulley 32 of output shaft 30, relay axis 41 are located at from the rear that engine 3 leaves Portion.

Relay axis 41 have relaying input belt wheel the end of body outward side (being the end on right side in the lateral direction) 41a (equivalent to driving rotating bodies), in the end of body inward side, (being the end in left side in the lateral direction) has relaying defeated Pulley 41b (equivalent to driving rotating bodies).In relaying input belt wheel 41a with being wound with the 3rd on second output pulley 32 Transmission belt 38, the rotary power of output shaft 30 is set to be passed to relay axis 41.

So, by using relay axis 41, between the engine 3 in front and the radiator 7 being located behind, the 3rd Transmission belt 38 is configured as carrying the state on platform and operation space s1 top around equipment.Thus, even if the 3rd transmission belt 38 grades are present, and can also be used as operation space s1 easy to use in the space of the operations such as maintenance.

On the 3rd transmission belt 38, the tension mechanism 40 of loose elimination is arranged with the band portion of its slack-side.The tension force There is affixed side belt wheel 40b, affixed side belt wheel 40b to be pivotally supported at fulcrum 40a in a rotatable manner for mechanism 40, the branch A parts of the axle 40a located at the vertical pillar 13A of case supporting station 13.Also, the tension mechanism 40 has around affixed side belt wheel 40b Fulcrum 40a swing swing arm 40c freely, and rotated with the fulcrum 40d around the free end side for being installed on swing arm 40c Floating side belt wheel 40e.Moreover, the tension mechanism 40 has eliminates the side (upper right in Fig. 3 by the swing arm 40c to relaxation Square side) pull the helical spring 40f to exert a force.

By setting these affixed side belt wheels 40b, swing arm 40c, floating side belt wheel 40e, helical spring 40f, form and begin The tension mechanism 40 of the relaxation elimination to be exerted a force eventually to the 3rd transmission belt 38 to advancing side.

Input belt wheel 60 and the side of the relay axis 41 relaying output pulley 41b on be provided with drive belt 42 (equivalent to Transmission mechanism), input belt wheel 60 is the input unit for the rotating switching mechanism 6 that rotating driving is carried out to radiator fan 70. On rotating switching mechanism 6, see below.

(rotating switching mechanism)

In the transmission system for the radiator fan 70 for cooling down radiator 7, it is folded with what is formed as described below Rotating switching mechanism 6.

As shown in Figures 4 to 7, rotating switching mechanism 6 is by the radiator arranged opposite with the body inward side of radiator 7 The direction of rotation handover operation of fan 70 is rotating forward state and inverted status.

The rotating forward state of radiator fan 70 refers to the direction of rotation of radiator fan 70 being set to by the radiating The ventilation face of device 7 introduces the shape of cooling wind from a lateral side of radiator fan 70 opposite with the side where radiator fan 70 State.In this condition, from body, square side towards inward side, plays radiator 7 air supply direction of radiator fan 70 lateral out The swabbing action of radiator fan 70.

The inverted status of radiator fan 70 refer to the direction of rotation of radiator fan 70 being set to from radiator fan The ventilation surface side of 70 side sinks 7 blows the state of cooling wind.In this condition, the air supply direction slave of radiator fan 70 Body inward side towards the side of radiator 7 of lateral outer side, with using cool down wind will be present in radiator 7 body lateral outer side it is logical The dust adhered on gas face is acted on to the side-blown winged mode of body foreign side.

Rotating switching mechanism 6 has input belt wheel 60 (equivalent to input unit), output pulley 61 and transmission belt 62, comes from The power of the output shaft 30 of engine 3 is delivered to input belt wheel 60, output pulley 61 via the drive belt 42 as transmission mechanism The fan main shaft 71 of radiator fan 70 can be integrally rotatably equipped on, transmission belt 62 is wound in the output pulley 61 and input Belt wheel 60.In addition, rotating switching mechanism 6 has external wheel body 63, inscribed wheel body 64, rotating transmission belt 65 and pendular body 66, external wheel body 63 can be connected to the outer circumferential side of the transmission belt 62, and inscribed wheel body 64 can be connected to the interior of transmission belt 62 The week side of boss, rotating transmission belt 65 are wound in these external wheel bodys 63 and inscribed wheel body 64 and output pulley 61, and pendular body 66 supports External wheel body 63 and inscribed wheel body 64.

Moreover, rotating switching mechanism 6 has rotation idler pulley 67 and tensioning wheel 68, rotation idler pulley 67 is leaving input belt wheel 60 and the position of output pulley 61 be inscribed in transmission belt 62, to expand the space in the range of the winding of the transmission belt 62, really The work action space of pendular body 66 is protected, tensioning wheel 68 is between the rotation idler pulley 67 and output pulley 61 to the tension force of transmission belt 62 It is adjusted.

Pendular body 66 is with can be around the axle center p1 identicals axis swing with fan main shaft 71 and relative to fan main shaft Outside 71 modes rotated freely the fan main shaft 71 is pivotally supported at embedded in the fan main shaft 71.If the pendular body 66 such as Fig. 5 The shown lower right like that into figure is verted, then the inner circumferential side that wheel body 64 is crimped on transmission belt 62 is inscribed.In this condition, scheming In the revolving force of transmission belt 62 that rotates clockwise be passed to inscribed wheel body 64, the rotating for being wound in the inscribed wheel body 64 passes Dynamic band 65 turns clockwise in figure, output pulley 61 is turned clockwise., will by turning clockwise for the output pulley 61 Radiator fan 70 to rotate forward state-driven.

If upper right side of the pendular body 66 as shown in Figure 6 into figure is verted, external wheel body 63 is crimped on transmission belt 62 Outer circumferential side.In this condition, the external wheel body 63 of the revolving force of the transmission belt 62 rotated clockwise in figure has been passed, Rotated counterclockwise in figure.Thus, the rotating transmission belt 65 of the external wheel body 63 rotate counterclockwise in figure is wound in, makes output The rotate counterclockwise of belt wheel 61.By the rotate counterclockwise of the output pulley 61, radiator fan 70 is driven to inverted status.

Rotating switching mechanism 6 is supported on cooling end scaffold 8, and cooling end scaffold 8 erects in After-Body On organism frame 1.Also there is fan support 84 and actuator support 86, fan support in the cooling end scaffold 8 The fan main shaft 71 of 84 pairs of radiator fans 70 is pivoted supporting, and actuator support 86 is used for the (phase of supports electric motor 100 When in actuator), the pendular body 66 that electro-motor 100 is used for the rotation direction to switching rotating transmission belt 65 operates.

In the actuator support 86 of the near sites provided with electro-motor 100, equipped with swinging operation body 101, the pendulum Dynamic operating body 101 is another axle center in the axle center p1 of fan main shaft 71 direction around the swinging center along the pendular body 66 P2 swinging operations.The swinging operation body 101 is mechanically connected to electronic horse via appropriate gear interlinked mechanism (not shown) Up to 100 output shaft (not shown), to be worked along with the rotating of electro-motor 100, swung around another axle center p2 Work.

Also, swinging operation body 101 links in side view via a pair of connecting members 102 and the pendular body 66, a pair The swinging center of pendular body 66 is being the axle center p1 of fan main shaft 71 and another axle center p2 companies for distribution by connecting member 102 The state of the both sides of the virtual line segment of knot.

A connecting member 102 in a pair of connecting members 102 is made up of helical spring 102a, and helical spring 102a is in institute State and pendular body 66 is exerted a force clockwise under the posture that pendular body 66 is verted to the right as shown in Figure 5.The spiral Spring 102a is crimped in transmission belt 62 under the posture that pendular body 66 is verted to the right to by inscribed wheel body 64 The direction of the week side of boss has active force, maintains the rotating forward state of radiator fan 70.

Another connecting member 102 is made up of line 102b, and line 102b is in the pendular body 66 as shown in Figure 6 to upper right Pendular body 66 is rotated counterclockwise under the posture that side is verted, external wheel body 63 is crimped on to the periphery of transmission belt 62 Side.In this condition, radiator fan 70 is maintained inverted status.Now, helical spring 102a and pendular body 66 link Point position is moved to the side of the position away from electro-motor 100, helical spring 102a and swinging operation body 101 point of contact position Put and also moved to the side away from electro-motor.The amount of movement of the point of contact position of the side of swinging operation body 101 is additionally, since than pendulum The amount of movement of the point of contact position of the side of kinetoplast 66 is big, therefore the distance between two points of contact shorten, helical spring 102a stretching Length Contraction, active force clockwise are reduced.

Thus, when pendular body 66 is switched from the state of rotating forward to inverted status, can avoid such as helical spring 102a quilts The construction further stretched is such, and helical spring 102a acts on as larger operation development of resistance.As a result, will without equipping The larger electro-motor of output that helical spring 102a resistance incrementss are taken into account is used as electro-motor 100, at this Aspect is advantageously.

The rotating of the electro-motor 100 is controlled by control device (not shown).It is stored with control device in advance The control program of input, based on the control program, carried out every the stipulated time set in advance to rotating forward state with inverted status Switching.

Electro-motor 100 is the judgement of rotating forward state or inverted status, is by the axle center p1 around fan main shaft 71 The position of pendular body 66 is detected.That is, as shown in Figures 5 to 7, pendular body 66 is linked to out via connecting rod 103 Close the detection connecting rod 110a of sensor 110.

Therefore, if electro-motor 100 rotates clockwise under rotating forward state, and pendular body 66 becomes as shown in Figure 5 The posture verted to the right, then the detection connecting rod 110a of switch sensor 110 pulled down via connecting rod 103 and Become the posture verted to the right, switch sensor 110 detects rotating forward state.On the contrary, if electro-motor 100 exists Rotated counterclockwise under inverted status, and pendular body 66 becomes the posture verted to upper right side as shown in Figure 6, then The detection connecting rod 110a of switch sensor 110 is above pushed away and become the posture verted to upper right side via connecting rod 103, Switch sensor 110 detects rotating forward state.

(cooling end scaffold)

As shown in figure 3, being equipped with case supporting station 13 on the organism frame 1 of the horizontal right side of sheller unit 4, this is utilized Radiator supporting arm 13C possessed by case supporting station 13 and in its rear side are from the lower posts 72 that organism frame 1 erects to dissipating Hot device 7 is supported.

Cooling end side plate 73 is provided with the body transverse direction outward side of radiator 7.The cooling end side plate 73 is via be hinged accessory 14 are installed on the vertical pillar 13A at the rear portion of case supporting station 13, can swing and be opened and closed around upper and lower axle center y2.In cooling end side plate 73 The position opposed with the ventilation face of radiator 7 is formed with the multiple passages for allowing cooling wind to pass through.Therefore, cooling end side plate 73 Suction and the row of wind can be carried out cooling down using radiator fan 70 under the closing posture opposed with the ventilation face of radiator 7 Go out.

In the body transverse direction inward side of radiator 7, radiator wind is configured with the posture opposed with the ventilation face of radiator 7 Fan 70.As shown in Fig. 3 and Fig. 7, the radiator fan 70 more leans on body rear side in the vertical pillar 13A than the rear portion of case supporting station 13 Position be installed on the cooling end scaffold 8 erected from organism frame 1.

Cooling end scaffold 8, which has, erects column sections 80, erects column sections 80 and is configured to, lower end side is fixed on body frame Frame 1, and after extending from the fixed position towards diagonally forward, upward to erecting.In the upper end that this erects column sections 80 Side, be integratedly welded to connect front side it is more slightly lower than rear side it is front lower after on lateral attitude front and rear frame material portion 81.

The lower rear in front and rear frame material portion 81 is connected near the upper end for erecting column sections 80 using bracket 82 is strengthened. In the front portion in front and rear frame material portion 81, with the state that erects upward integrally provided with extending column sections 83.The extension column sections 83 are extended to the position higher than the upper limb of radiator 7, have mounting bracket 83A in its upper end.Therefore, by the way that this is consolidated Linking part 13D possessed by determining the rear portion for the upper box 13B that bracket 83A is linked to case supporting station 13, can support cooling end The upper end side of framework 8 links relative to case supporting station 13 fixes.

At the pars intermedia position for erecting the above-below direction of column sections 80, have and the fan main shaft 71 of radiator fan 70 is entered The fan support 84 that row pivotally supports.As shown in fig. 7, the fan support 84 to fan main shaft 71 to be pivoted supporting Tubular hub 84A is soldered partially into the state in the fore-and-aft direction width for erecting column sections 80 from rear side and fixed.Therefore, wind Fan center in the longitudinal direction eccentric shape of the main shaft 71 with its axle center p1 relative to the fore-and-aft direction width for erecting column sections 80 State is pivotally supported at fan support 84.

The rear side of column sections 80 is being erected, extension arm 85 extends into cantilever from fan support 84 towards the back lower place Shape.At the free end side position of the extension arm 85, there is the actuator support 86 that can install electro-motor 100.

Extension arm 85 is the upper arm 85A of L-shaped with the section for being located at upside and is L-shaped positioned at the section of downside Lower arm 85B, and so that upper arm 85A and lower arm 85B free end state connected to each other are provided with into actuator branch Bearing portion 86.

Cylinder of the upper arm 85A base end side in the state protruded rearward from the fore-and-aft direction width for erecting column sections 80 It is soldered and fixes in the range of shape hub 84A outer peripheral face and the rear surface for erecting column sections 80.Thus, upper arm 85A cardinal extremity Side can also be made at the tubular hub 84A of projected state supporting portion rearward from the fore-and-aft direction width for erecting column sections 80 Played a role for strengthening part.Lower arm 85B base end side is fixedly welded on the rear surface and side for erecting column sections 80.

In the leading section in front and rear frame material portion 81, the input as rotating switching mechanism 6 is rotatably pivotally supported The input belt wheel 60 in portion.

The place position of the input belt wheel 60 is located relative to fan support 84 and has the actuator support 86 Extension arm 85 the opposite side of bearing of trend.That is, input unit and actuator support 86 are each other across fan Support 84 is disposed in opposite side.

Near the rear end in front and rear frame material portion 81, to leave input belt wheel 60 and be installed on fan master rotatably integrally The state that the output pulley 61 of axle 71 is set has pivotally supported rotation idler pulley 67.

Position near than rear end of the rotation idler pulley 67 closer to front and rear frame material portion 81, the installation provided with tensioning wheel 68 Bracket 87.

In addition, the rear end portion side in front and rear frame material portion 81 is provided with and erects part 88, in the top installation that this erects part 88 There is switch sensor 110.Switch sensor 110 has the detection connecting rod 110a that can be swung up and down, in detection connecting rod 110a Free end be linked with the upper end of connecting rod 103, the bottom of connecting rod 103 is linked to pendular body 66.

As can be seen from figures 8 and 9, pendular body 66 has the outer hub portion 66A for being embedded in fan main shaft 71 in central portion.Also, Hub portion 66A periphery surface side, it is welded with the inscribed wheel body 64 of supporting and external wheel body 63 and helical spring can be linked 84a the first plate body 66B and the second plate body 66C for being capable of tie line 84b.

In inscribed wheel body 64 and external wheel body 63, the axle 64a that pivotally supports of inscribed wheel body 64 is fixed on the first plate body 66B, The axle 63a that pivotally supports of external wheel body 63 is supported on regulating bolt 66Bb, energy by being formed at the first plate body 66B elongated hole 66Ba Enough adjusting positions in the range of elongated hole 66Ba.

Helical spring 84a is linked with the spring connecting hole 66Bc for being formed at first plate body 66B, in bar connecting hole 66Bd It is linked with the lower end side of connecting rod 103.

Link wired 84b in the line connecting hole 66Ca for being formed at the second plate body 66C.Also, line 84b is located at the second plate Body 66C curved guide portion 66Cb guiding, with the state that will not be bent with extremely big curvature, by carry out stretched operation or pine Relax operation.

The rear end of the rearward end of upper arm 85A in the extension arm 85 and the upper box 13B of case supporting station 13 Portion and provided with tabular rear portion cover 74.As shown in Figures 4 to 7, the rear portion covers 74 by rotating switching mechanism 6 and radiator fan 70 rear and upper side covering.Due to rear portion cover 74 be present, therefore rotating switching mechanism 6 and radiator wind can be reduced The possibility that fan 70 contacts with other objects.

(keeper)

As shown in Figures 5 to 7, extend column sections 83 above-below direction middle part, forward side protrude be provided with Tab 83B facing forward, keeper 89 is provided with the tab 83B facing forward.

The keeper 89 is located at the periphery upper surface side of the transmission belt 62 of rotating switching mechanism 6, in pendular body 66 Transmission belt 62 is limited when carrying out swing switch operating band occurs and comes off along with temporary relaxation.

Keeper 89 has the installing plate 89a and limitation bar 89b with the installing plate 89a L-shaped being integratedly welded and fixed, The bar 89b bar part along horizontal direction is limited to be set along the state of the outer peripheral face of transmission belt 62.

In installing plate 89a formed with a pair of elongated hole 89c along above-below direction, elongated hole 89c fixing bolt will be inserted through 89d unscrews, and can descend adjusting position upwards.

(other embodiment 1)

In the above-described embodiment, as the actuator operated to rotating switching mechanism 6, exemplified with electro-motor 100, but it is not limited to the construction.

For example, as actuator, hydraulic motor can also be used, or use electric cylinder, hydraulic cylinder or pneumatic cylinder, electromagnet Deng.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 2)

In the above-described embodiment, as rotating switching mechanism 6, wheel body 64 and outer is inscribed exemplified with using transmission belt 62 The construction of cock wheel body 63, but it is not limited to the construction.

For example, it is also possible to alternatively select rotation side with a variety of transmission belts of transmission belt using forward transmission belt and reversion To, or itself rotating of transmission belt 62 is changed the direction of rotation of radiator fan 70.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 3)

In the above-described embodiment, exemplified with control program possessed by control device is based only upon, every set in advance Stipulated time, the structure of positive and negative switching is carried out to the rotating switching implemented using rotating switching mechanism 6 to radiator fan 70 Make, but be not necessarily limited to the construction.

For example, can suitably be changed, such as using driver plate etc. is controlled possessed by Drive Section, artificially change rotates forward Driving time ratio and the ratio being driven reverse between time scale, or using on-off switch is forced, in forward drive by force Carry out to system inverting work etc..

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 4)

In the above-described embodiment, as cooling end scaffold 8, it is fixed on organism frame 1, upper end exemplified with lower end side Side is linked to the construction at the upper box 13B of case supporting station 13 rear portion, but is not necessarily limited to the construction.

For example, it is also possible to be, the upper end side of cooling end scaffold 8 is linked to beyond the upper box 13B of case supporting station 13 Body fixed part, or cooling end scaffold 8 is independent and organism frame 1 is fixed in a manner of it can support oneself.

In addition, the shape of cooling end scaffold 8 be also not limited to shown in embodiment that one erects branch The composite construction in post portion 80 and front and rear frame material portion 81, it can use and use the more constructions for erecting column sections 80 or incited somebody to action overall Be formed as the appropriate shape such as tabular or box-like, construction.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 5)

In the above-described embodiment, as cooling end scaffold 8, exemplified with actuator support 86 relative to fan branch Bearing portion 84 is provided in the construction of the side opposite with the input belt wheel 60 as input unit, but is not limited to the construction.

For example, it is also possible to be actuator support 86 relative to fan support 84 be provided in as the defeated of input unit Enter the construction on front side of the identical of belt wheel 60.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 6)

In the above-described embodiment, show the tubular hub 84A that will be pivoted supporting to fan main shaft 71 with from rear Side is welded and fixed partially into the state in the fore-and-aft direction width for erecting column sections 80, makes fan main shaft 71 relative to cooling end The center of the fore-and-aft direction width of scaffold 8 is present in the construction of eccentric position in the longitudinal direction, but is not limited to The construction.

For example, it is also possible to be that tubular hub 84A is integrally located in the fore-and-aft direction width for erecting column sections 80, or tubular hub 84A is integrally fixed with the state positioned at the outside for the fore-and-aft direction width for erecting column sections 80.In addition, fan main shaft 71 not must Eccentric position in the longitudinal direction, fan must be present in relative to the center of the fore-and-aft direction width of cooling end scaffold 8 There may also be in the consistent position in the center of the fore-and-aft direction width with cooling end scaffold 8 by the axle center p1 of main shaft 71.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 7)

In the above-described embodiment, exemplified with the driver that rotating switching mechanism 6 is connected to using tape handler composition The construction of structure, but it is not limited to the construction., can also be by for example, rotating switching mechanism is not limited to tape handler Axle drive structure is formed.

As long as other structures using with aforementioned embodiments identical structure.

(other embodiment 8)

In the above-described embodiment, as mobile devices 2, show and form front-wheel 2F using non-steered wheel, using turning Trailing wheel 2R is formed to wheel, but is not limited thereto, for example, it is also possible to make front-wheel 2F be steered wheel, it is non-turn to make trailing wheel 2R To wheel.Alternatively, it is also possible to which front-wheel 2F and trailing wheel 2R are formed with steered wheel.

In addition, as mobile devices 2, it is not limited to be only made up of wheel, such as half-tracked shoe can also be utilized Preceding traveling portion is formed with mobile devices, forms rear traveling portion using the trailing wheel 2R being made up of steered wheel.On the contrary, it can also utilize The front-wheel 2F being made up of steered wheel forms preceding traveling portion, traveling portion after being formed using half-tracked crawler travel device.

As long as other structures using with aforementioned embodiments identical structure.

Industrial applicibility

It is not limited to gather in the united reaper of the cereal such as paddy and wheat, corn as the working rig shown in the utility model, It can also apply to the equipment for gathering in the flowers classes such as beans or colza such as soybean.In addition, it is not limited to which full feed type joint is received Cutting mill or half feed type combine harvester.

Claims (20)

1. a kind of working rig, it is characterised in that have：

Engine；

Radiator, it cools down the engine；

Radiator fan, it is driven by the dynamic rotation of the engine；

Rotating switching mechanism is being provided with into the power-transmission system of the radiator fan from the engine,

The rotating switching mechanism can cut the direction of rotation of the radiator fan arranged opposite with the radiator Rotating forward state and inverted status are changed to, under the rotating forward state, from the side opposite with the side where the radiator fan Cooling wind is introduced towards the radiator fan side by the ventilation of the radiator, under the inverted status, dissipated from described The lateral ventilation surface side of hot device fan blows cooling wind,

The working rig has and the rotating forward state that realized using the rotating switching mechanism can be cut with inverted status The actuator of operation is changed,

The radiator fan, the rotating switching mechanism and the actuator are supported on cooling end scaffold, the cooling Portion's scaffold is positioned away from the position of the engine.

2. working rig as claimed in claim 1, it is characterised in that

In the cooling end scaffold there is the fan for being pivoted supporting to the fan main shaft of the radiator fan to support Portion, the actuator can be installed by having at the free end side position that cantilever-shaped extension arm is extended into from the fan support Actuator support.

3. working rig as claimed in claim 2, it is characterised in that

The actuator support is provided in the input unit with the rotating switching mechanism relative to the fan support Opposite side, power from the output section of the engine via transmission mechanism be delivered to the rotating switching mechanism this is defeated Enter portion.

4. working rig as claimed in claim 2 or claim 3, it is characterised in that

The rotating switching mechanism has：

As the input belt wheel of input unit, power is delivered to the input tape from the output section of the engine via transmission mechanism Wheel；

Output pulley, it is equipped on the fan main shaft；

Transmission belt, it is wound in the output pulley and the input belt wheel；

The output pulley is installed on the cooling end scaffold with the input belt wheel.

5. working rig as claimed in claim 4, it is characterised in that

The rotating switching mechanism has the external wheel body for the outer circumferential side that can be connected to the transmission belt, can be connected to institute State the inscribed wheel body of the inner circumferential side of transmission belt, be wound in the rotating of these external wheel bodys and inscribed wheel body and the output pulley Transmission belt and the pendular body supported to the external wheel body and the inscribed wheel body,

The pendular body is pivotally supported as that can be swung around the axle center identical swinging center with the fan main shaft.

6. working rig as claimed in claim 5, it is characterised in that

The actuator has swinging operation body, and the swinging operation body is by around the direction of the swinging center along the pendular body Another axle center carries out swinging operation, and the swinging operation body is disposed in the connecting member that the pendular body links will be described The both sides for the virtual line segment that the swinging center of pendular body links with another axle center.

7. such as the working rig any one of claims 1 to 3,5,6, it is characterised in that

The radiator fan is disposed in higher position in rear side compared to the engine,

The input unit upper side configuration more forward than the radiator fan of the rotating switching mechanism,

Than the radiator fan, lower side arranges the actuator rearward.

8. working rig as claimed in claim 4, it is characterised in that

The radiator fan is disposed in higher position in rear side compared to the engine,

The input unit upper side configuration more forward than the radiator fan of the rotating switching mechanism,

Than the radiator fan, lower side arranges the actuator rearward.

9. such as the working rig any one of claims 1 to 3,5,6,8, it is characterised in that

Homework department's framework is equipped with organism frame, homework department's framework is used for higher than the radiator fan to being provided to The homework department of position is supported,

The lower end side of the cooling end scaffold is supported on the organism frame, and the upper end side of the cooling end scaffold connects Tie in homework department's framework.

10. working rig as claimed in claim 4, it is characterised in that

Homework department's framework is equipped with organism frame, homework department's framework is used for higher than the radiator fan to being provided to The homework department of position is supported,

The lower end side of the cooling end scaffold is supported on the organism frame, and the upper end side of the cooling end scaffold connects Tie in homework department's framework.

11. working rig as claimed in claim 7, it is characterised in that

Homework department's framework is equipped with organism frame, homework department's framework is used for higher than the radiator fan to being provided to The homework department of position is supported,

The lower end side of the cooling end scaffold is supported on the organism frame, and the upper end side of the cooling end scaffold connects Tie in homework department's framework.

12. such as the working rig any one of claims 1 to 3,5,6,8,10,11, it is characterised in that

The cooling end scaffold erects in After-Body from organism frame.

13. working rig as claimed in claim 4, it is characterised in that

The cooling end scaffold erects in After-Body from organism frame.

14. working rig as claimed in claim 7, it is characterised in that

The cooling end scaffold erects in After-Body from organism frame.

15. working rig as claimed in claim 9, it is characterised in that

The cooling end scaffold erects in After-Body from organism frame.

16. such as the working rig any one of claims 1 to 3,5,6,8,10,11,13 to 15, it is characterised in that

The fan main shaft of the radiator fan is mounted relative in the fore-and-aft direction width of the cooling end scaffold Heart eccentric position in the longitudinal direction.

17. working rig as claimed in claim 4, it is characterised in that

The fan main shaft of the radiator fan is mounted relative in the fore-and-aft direction width of the cooling end scaffold Heart eccentric position in the longitudinal direction.

18. working rig as claimed in claim 7, it is characterised in that

The fan main shaft of the radiator fan is mounted relative in the fore-and-aft direction width of the cooling end scaffold Heart eccentric position in the longitudinal direction.

19. working rig as claimed in claim 9, it is characterised in that

The fan main shaft of the radiator fan is mounted relative in the fore-and-aft direction width of the cooling end scaffold Heart eccentric position in the longitudinal direction.

20. working rig as claimed in claim 12, it is characterised in that

The fan main shaft of the radiator fan is mounted relative in the fore-and-aft direction width of the cooling end scaffold Heart eccentric position in the longitudinal direction.