CN1764369A - Combine - Google Patents
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- CN1764369A CN1764369A CNA2004800077718A CN200480007771A CN1764369A CN 1764369 A CN1764369 A CN 1764369A CN A2004800077718 A CNA2004800077718 A CN A2004800077718A CN 200480007771 A CN200480007771 A CN 200480007771A CN 1764369 A CN1764369 A CN 1764369A
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- harvesting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
A combine not threshing grains from ears of cereal columns while the reaping portion is raising the cereal columns during low-speed traveling harvesting work and not lowering the efficiency of high-speed traveling harvesting work. The drive speed of a reaping portion is switched to either a car-speed synchronous speed copying after a car-speed synchronous pattern which is synchronous with the car speed and increases in proportion to an increase of the car or a predetermined rotational speed generally constant irrespective of the variation of the car speed, and the reaping portion is driven. The combine is characterized by comprising a car-speed sensor for detecting the car speed, a reaping input sensor for detecting the rotational speed of the input shaft driving the reaping portion and switching means for switching the drive speed of the reaping portion to one of a constant low speed, the car-speed synchronous speed, and a constant high speed.
Description
Technical field
The present invention relates to a kind of pair of right and left combine that crawler belt moves that travels that is equipped with.
Background technology
Combine in the past is provided with gearbox, reaping part, the threshing portion that drives the above-mentioned crawler belt that travels.To pass to above-mentioned threshing portion, reaping part and gearbox from the driving force of engine respectively.And have such technology, that is, use to export to drive above-mentioned reaping part, and gather in operation (for example, with reference to patent documentation 1) from the output of the speed of a motor vehicle tuned speed of above-mentioned gearbox or from any one of the roughly certain speed output of engine.
In the past, for example when headland turn (conversion direction) etc., the actuating speed of reaping part is converted to the low speed constant speed from speed of a motor vehicle tuned speed, be transported to threshing portion with paddy stalk with above-mentioned reaping part, prevent from above-mentioned reaping part, to have the paddy stalk to stop up and wait (for example, with reference to patent documentation 2).
Patent documentation 1: the spy opens flat 10-286018 communique
Patent documentation 2: the spy opens flat 10-127146 communique
When receiving with above-mentioned low speed constant speed when cutting the Grains bar, when slack-off,, the Grains bar of reaping part makes the processed and problem of threshing etc. of the fringe head of hub bar owing to pulling up operation with respect to the hub bar travelling speed of its reaping part of the speed of a motor vehicle (translational speed of combine).
On the other hand, running at high speed when carrying out harvest operation, owing to strengthened from each of the traveling crawler of above-mentioned gearbox body transmission of drive force and reaping part and driven load, problems such as harvest operation efficient have been reduced when running at high speed so have because of above-mentioned driving load is in overload.
Summary of the invention
The present invention develops in view of above-mentioned traditional problem, its purpose is to provide a kind of combine, running at a low speed the processed and threshing of fringe head that harvesting can prevent to be pulled up by reaping part De Grains bar operation Er Shi Grains bar during operation, can prevent that its operating efficiency from reducing when carrying out harvest operation running at high speed on the other hand.
To achieve these goals, the present invention's 1 combine, any one speed that the actuating speed of reaping part can be switched to speed of a motor vehicle tuned speed or constant rotating speed drives reaping part; Wherein, described speed of a motor vehicle tuned speed, be with the speed of a motor vehicle tuning and along with the speed that increases to the speed of a motor vehicle tuning characteristic that direct ratio increases of the speed of a motor vehicle; Described constant rotating speed is by the speed that preestablishes speed regardless of the increase and decrease of the speed of a motor vehicle; And have the vehicle speed sensor and the switching mechanism that detect the speed of a motor vehicle, wherein, this switching mechanism can switch to the actuating speed of described reaping part any one speed of low speed constant speed or speed of a motor vehicle tuned speed or high speed constant speed.
The present invention's 2, it is characterized in that: described low speed constant speed is set to, the described speed of a motor vehicle ratio high speed of pairing described reaping part actuating speed when the actuating speed with described reaping part switches to the low-grade exchange point of low speed constant speed in the tuning interval of the speed of a motor vehicle.
The present invention's 3, it is characterized in that: described high speed constant speed is set to, in the described speed of a motor vehicle in the tuning interval of the speed of a motor vehicle than the high speed of pairing described reaping part actuating speed during exchange point that performs that switches to high speed constant speed in actuating speed with described reaping part.
The present invention's 4 is characterized in that: described switching mechanism, and in when reversing, if the described switching mechanism of handover operation, then control and the actuating speed of described reaping part is switched to the low speed constant speed from speed of a motor vehicle tuned speed.
The present invention's 5, it is characterized in that: use with the speed of a motor vehicle tuning and make the speed of a motor vehicle tune drive of harvesting velocity variations, maybe the speed of will gathering in roughly keeps the continuous productive process actuating speed of certain constant speed to drive reaping part, in addition, the continuous productive process actuating speed of described constant speed is divided into two-stage switches at a high speed and low speed, and drive reaping part with the continuous productive process actuating speed of the described constant speed of high speed and low speed.
The present invention's 6 is characterized in that: can be set at the reaping part speed of a motor vehicle tuned speed that switches to the constant speed continuous productive process actuating speed of high-speed side from described speed of a motor vehicle tune drive lower than the continuous productive process actuating speed of low speed side constant speed.
(invention effect)
According to the present invention 1, owing to possess the switching mechanism of any one speed that the actuating speed of described reaping part can be converted to low speed constant speed or speed of a motor vehicle tuned speed or high speed constant speed, so can prevent to pull up operation and cause the processed and threshing of the fringe head of De Shi Grains bar running at a low speed when carrying out harvest operation hub bar by reaping part.On the other hand, can prevent overload when carrying out harvest operation running at high speed.Therefore, no matter running at a low speed the harvesting operation or when running at high speed the harvesting operation, can both utilize above-mentioned low speed constant speed or high speed constant speed to drive above-mentioned reaping part suitably, improve the harvesting operability that runs at a low speed the harvesting operation, and the operating efficiency of the harvesting operation of running at high speed.
According to the present invention 2, because above-mentioned low speed constant speed is set to, make above-mentioned speed of a motor vehicle ratio pairing above-mentioned reaping part actuating speed height when the actuating speed with above-mentioned reaping part switches to the low-grade exchange point of low speed constant speed in the tuning interval of the speed of a motor vehicle, so when using when the speed of a motor vehicle tuned speed of speed of a motor vehicle tuning characteristic drives above-mentioned reaping part, the actuating speed of above-mentioned reaping part is lower than above-mentioned low speed constant speed, like this, even the speed of a motor vehicle in the tuning interval of the speed of a motor vehicle is temporarily decelerated near the low-grade exchange point, also the actuating speed of above-mentioned reaping part can be remained in speed of a motor vehicle tuned speed, can prevent to pull up the processed and threshing of fringe head that operation makes the hub bar Yin the Grains bar along speed of a motor vehicle tuning characteristic.
According to the present invention 3, because above-mentioned high speed constant speed is set to, make in the above-mentioned speed of a motor vehicle in the tuning interval of the speed of a motor vehicle than pairing above-mentioned reaping part actuating speed height during exchange point that performs that switches to high speed constant speed in actuating speed above-mentioned reaping part, so can make engine output that rich amount is arranged, and the actuating speed of above-mentioned reaping part can be switched to above-mentioned high speed constant speed from the speed of a motor vehicle tuned speed along above-mentioned speed of a motor vehicle tuning characteristic.Using when the speed of a motor vehicle tuned speed of speed of a motor vehicle tuning characteristic drives above-mentioned reaping part, can successfully be transformed into the harvesting operation of running at high speed that utilizes the above-mentioned reaping part of above-mentioned high speed constant speed drive, and the operating efficiency of the harvesting operation of running at high speed.
According to the present invention 4, above-mentioned switching mechanism is if at the above-mentioned switching mechanism of when reversing handover operation, then can carry out the actuating speed of above-mentioned reaping part is switched to from the speed of a motor vehicle tuned speed control of low speed constant speed.In when reversing, because above-mentioned reaping part is in halted state, thus even from the above-mentioned reaping part of the state-driven that stops, also can begin the driving of above-mentioned reaping part with the low speed constant speed, so the impact load can suppress to begin to drive above-mentioned reaping part the time.
According to the present invention 5, since be utilize tuning and make the speed of a motor vehicle tune drive of harvesting velocity variations with the speed of a motor vehicle, the speed of maybe will gathering in roughly keeps the continuous productive process actuating speed of certain constant speed to drive reaping part, on the other hand, the continuous productive process actuating speed of above-mentioned constant speed is switched at a high speed and the low speed two-stage, and utilize the continuous productive process actuating speed of the above-mentioned constant speed of high speed or low speed to drive reaping part, so, no matter be when running at a low speed the harvesting operation or running at high speed the harvesting operation, can both drive above-mentioned reaping part suitably with above-mentioned low speed constant speed or high speed constant speed, the harvesting operating efficiency that runs at a low speed the harvesting operation can be improved, the harvesting operating efficiency of the harvesting operation of running at high speed can be improved again.
According to the present invention 6, owing to can make the reaping part speed of a motor vehicle tuned speed that switches to the constant speed continuous productive process actuating speed of high-speed side from above-mentioned speed of a motor vehicle tune drive, continuous productive process actuating speed than low speed side constant speed is low, so on the speed of a motor vehicle tuned speed of reaping part region-wide, can utilize operator's handover operation to quicken the actuating speed of reaping part, the operator can not have sense of discomfort ground running operation.
Description of drawings
Fig. 1 is the left view of combine.
Fig. 2 is the vertical view of above-mentioned grain header.
Fig. 3 is the right view of above-mentioned grain header.
Fig. 4 is that the master of anterior body looks key diagram.
Fig. 5 is the key diagram of overlooking of board.
Fig. 6 is the enlarged drawing of countershaft case portion.
Fig. 7 is the end view of anterior body.
Fig. 8 is the partial enlarged drawing of last figure.
Fig. 9 is the end view of countershaft case portion.
Figure 10 is engine output system figure.
Figure 11 is the drive system figure of gearbox.
Figure 12 is a hydraulic circuit diagram.
Figure 13 is the profile of gearbox.
Figure 14 is the drive system figure of last figure.
Figure 15 is the distortion key diagram of Figure 13.
Figure 16 is the drive system figure of last figure.
Figure 17 is the sectional view of torque limited portion.
Figure 18 is the decomposition key diagram of this part.
Figure 19 is the enlargement decomposition of this part.
Figure 20 is the enlarged drawing of this part.
Figure 21 is control circuit figure.
Figure 22 is a reaping part speed control flow chart.
Figure 23 is the curve map that concerns between the harvesting rotating speed KVx of the expression harvesting power transmission shaft that is used to drive reaping part and the speed of a motor vehicle SV.
Figure 24 is that the speed change of expression reaping part is at a high speed and the curve map that concerns between the harvesting rotating speed KVx of the harvesting power transmission shaft during low speed and the speed of a motor vehicle SV.
Figure 25 is control circuit figure.
Figure 26 is the display frame key diagram of liquid crystal panel.
Figure 27 is the display frame key diagram of liquid crystal panel.
Figure 28 is the flow chart of high-speed cutting control.
Figure 29 is the output curve diagram of high-speed cutting control.
Figure 30 is the harvesting flow chart of control fast.
Figure 31 is the harvesting output curve diagram of control fast.
Figure 32 is the flow chart of harvesting operation control.
Among the figure: the 7-reaping part, the 112-power shaft, 277-continuous productive process pedal (switching mechanism), 285, the 286-vehicle speed sensor, 288-gathers in input pickup.
Embodiment
Below, with reference to the description of drawings embodiments of the invention.Fig. 1 is the left view of combine integral body, and Fig. 2 is its vertical view, and Fig. 3 is its right view.
Using combine of the present invention has: the travel pair of right and left bogie 1 of crawler belt 2 of pair of right and left is housed, be set up in the support between the above-mentioned left and right sides bogie 1, feeding chain 5 is set up in left side and the interior threshing portion 4 that admits case 6 and treatment box 6a that adorned, disposed the reaping part 7 of propping up mechanism 8 and cutter 9 and paddy stalk transport establishment 10, the hydraulic lifting oil cylinder 11 that can make reaping part 7 liftings and link with harvest frame 12, discharge the straw of chain 14 terminals in the face of straw and discharge handling part 13, the granary 15 that will be transported into from the grain of threshing portion 4 by a 15a that winnows, the grain of above-mentioned granary 15 is transported to the outer vertical and horizontally-arranged of machine goes out auger conveyor 16,17, in established the driving cabin 18 of driving steering wheel 19 and driver's seat 20, and the engine 21 that is arranged on driving cabin 18 belows, this combine is that the paddy that can gather in continuously in the field obstructs the also structure of threshing.
The housing construction of combine of the present invention is described with reference to Fig. 4～Figure 10.In support 3 front sides gearbox 22 is configured between the ridden in left or right direction crawler belt 2.Configuration was will pass to the structure of the crawler belt 2 that travels from the driving force of engine 21 by gearbox 22 before and after gearbox 22 and engine 21 slightly were in series.
On the support 3 of the front side of threshing portion 4, uprightly be provided with left and right sides supporting seat 23,24.On left and right sides supporting seat 23,24, be provided with lifting flexibly and laterally mobile reaping part 7 by harvest frame 12.On the support 3 of left and right sides supporting seat 23,24 rear sides, be provided with countershaft case 25, can will pass to threshing portion 4 and reaping part 7 (with reference to Figure 10) by countershaft case 25 from the driving force of engine 21.
As Fig. 4 and shown in Figure 7, on the support 3 of the side of gearbox 22, uprightly be provided with driving cabin side arm 26.The top of driving cabin side arm 26 is arranged on the front portion of the running-board bracket 27 of driving cabin 18 by rotating fulcrum axle 28.Driving cabin 18 is attached at the top of driving cabin side arm 26 by rotating fulcrum axle 28.
On right supporting seat 24, uprightly be provided with left-hand drive cabin after-frame 29.On support 3, be provided with engine 21, and engine 21 is disposed between the right driving cabin after-frame 30 and left-hand drive cabin after-frame 29 that uprightly is arranged on the support 3.Also be provided with the engine room shell 31 (with reference to Fig. 4) of covering engine 21.
In addition, utilize driving cabin crossbearer 32 to link the top of left and right sides driving cabin after- frame 29,30, and driving cabin crossbearer 32 is disposed at the top of engine room shell 31.By frame support 33 combination and the rear portion and the driving cabin crossbearer 32 (with reference to Fig. 4) that are linking running-board bracket 27 flexibly with breaking away from.
In addition, auger conveyor pillar 36 is linked to left-hand drive cabin after-frame 29, and will be used for the auger conveyor seat 37 that the discharge auger conveyor 17 of liftable and rotation is supported in this machine reception position is arranged at the upside (with reference to Fig. 7) of auger conveyor pillar 36.
Below, with reference to Figure 10～Figure 12, the structure that the driving force of engine 21 is transmitted to gearbox 22 is described.Gearbox 22 possesses: form the main transformer speed of travelling that constitutes by a pair of hydraulic traveling pump 38 and hydraulic traveling motor 39 with the speed change parts 40 that travel of Hyaulic infinite variable speed mechanism, form the turning member 43 that turns to usefulness Hyaulic infinite variable speed mechanism that constitutes by a pair of hydraulic steering pump 41 and fluid-link steering motor 42.The power shaft 45 of gearbox 22 and the output shaft 44 of engine 21 are linked.Output by engine 21 can drive above-mentioned hydraulic traveling pump 38 and steering pump 41.
Above-mentioned box of tricks 48 has symmetrical a pair of planetary gears 50.Each planetary gears 50 by a central gear 51 with 3 planetary gears 52 of this central gear 51 excircles engagement, and constitute (with reference to Figure 11) with ring gear 53 that these planetary gears 52 mesh.
To be used for flexibly the left and right sides support 56 of support planetary gears 52 rotatably be configured in central gear 51 coaxial lines on left and right sides axletree 55.Mode with clamping right and left central gears 51 disposes left and right sides support 56 to ground relatively.On the other hand, will have the ring gear 53 that meshes internal tooths with each planetary gear 52 can be supported on the axletree 55 flexibly rotationally.Driving wheel 49 is supported on the axletree 55, and each driving wheel 49 of ridden in left or right direction crawler belt 2 and the motor drive shaft 46 of driving motors 39 is linked (with reference to Figure 11) by secondary gear 47 and box of tricks 48.
The speed change of travelling parts 40 are structures of controlling driving motors 39 rotatings and rotating speed by the swash plate angle variation of driving pump 38.Low speed by motor drive shaft 46, secondary gear 47 and high gear 57,58, brake axle 59, branched shaft 60 pass to left and right sides ring gear 53 with the rotation of driving motors 39, and make 56 rotations (with reference to Figure 11) of left and right sides support.In addition, parking brake 61 is configured on the brake axle 59.
On the other hand, will be used for being disposed at said motor axle 46 to the harvesting drive pulley 62 that reaping part 7 transmits revolving force.Drive reaping part 7 (with reference to Figure 11) by harvesting drive pulley 62 with speed of a motor vehicle tuned speed.
As mentioned above, be by above-mentioned branched shaft 60 just the driving force of driving motors 39 pass to ring gear 53, and by about planetary gears 50 pass to left and right sides support 56, pass to left and right sidesing driving wheel 49 respectively by left and right sides support 56 again, and to equidirectional with identical speed drive ridden in left or right direction crawler belt 2 (with reference to Figure 11).
Turn to output brake 63 to be configured on the motor drive shaft 64, will turn to output clutch 65 to be configured on the clutch shaft 66, input gear 67,68 total and right and left central gears 51 engagements about making.On the other hand, the said motor axle 64 by steering motor 42 output usefulness and turn to output clutch 65, with clutch shaft 66 with about input gear 67,68 link.By just change gear 69 and reversing gear 70 with about 66 bindings (with reference to Figure 11) of input gear 67,68 and clutch shaft.
By just changeing gear 69 revolving force of motor 42 is passed to right central gear 51, by reversing gear 70 revolving force of motor 42 is passed to LC gear 51 on the other hand, when making steering motor 42 just change (reversing), with left and right sides same rotational speed, make 51 reversings (just changeing) of LC gear, and make right central gear 51 just change (reversing), can be round about with identical speed drive ridden in left or right direction crawler belt 2.And, form the turning member 43 that turns to Hyaulic infinite variable speed mechanism, be to carry out steering motor 42 rotatings and rotating speed control (with reference to Figure 11) by the swash plate angle change of steering pump 41.
Therefore, stopping steering motor 42 and stopping under the situation of right and left central gears 51, when driving driving motors 39, the rotation of driving motors 39 passes to left and right sides ring gear 53 with same rotational speed.Therefore, by support 56 to the left and right the driving force of the same rotational speed of identical direction of rotation pass to ridden in left or right direction crawler belt 2, so, with the driving of ridden in left or right direction crawler belt 2 can make body forwards, backwards the direction straight line move (with reference to Figure 11).
On the other hand, stopping driving motors 39 and stopping under the situation of left and right sides ring gear 53, when when just changeing (or reversing) direction driving steering motor 42, the planetary gears 50 in left side is just changeing (or reversing), and planetary gears 50 reversings (or just changeing) on right side, ridden in left or right direction crawler belt 2 drives to mutually opposite direction, thus because of the driving of ridden in left or right direction crawler belt 2 can make body left or right turn to mobile (with reference to Figure 11).
On the other hand, when driving driving motors 39 and steering motor 42 both sides at the same time since body forwards, backwards direction move and turn to the left and right mobile, so can revise the advance route of body.The radius of turn of body can be decided according to the output speed of steering motor 42.
As Figure 10, shown in Figure 11, have the cooling fan 72 of engine 21 water-cooleds with radiator, cooling fan 72 is configured on the fan shaft 71, and fan shaft 71 and power shaft 45 are linked.Travel and each pump shaft 73,74 of steering pump 38,41 on, link said fans axles 71 by gear train 75.Power shaft 45 and each pump 38,41 are linked.By speed of a motor vehicle constant speed clutch 76 pump shaft 73 of driving pump 38 and the motor drive shaft 46 of driving motors 39 are linked with constant shaft 77.When having inserted speed of a motor vehicle constant speed clutch 76, pump shaft 73 and motor drive shaft 46 are connected with gear by constant shaft 77.
The rotation of power shaft 45 is not passed to secondary gear 47, and utilize the constant speed rotation of engine 21 to drive ridden in left or right direction crawler belt 2, then can travel and can gather in operation etc. (with reference to Figure 11) with the speed of a motor vehicle of constant by travelling speed changing portion spare 40.In addition, supply pump 78 and pump shaft 74 are linked.
Below, the oil circuit that drives driving motors 39 is described with reference to Figure 12.This oil circuit is provided with: swash plate 79 angles that change driving pump 38 with the main transformer speed oil cylinder 80 of adjusting output, utilize main shift lever 81 and steering direction dish 19 and the speed change valve 82 changed, valve 83 that the output of driving pump 38 is slowed down with ormal weight.Above-mentioned supply pump 78 can be connected with main transformer speed oil cylinder 80 hydraulic pressure by each valve 82,83.
When utilizing main shift lever 81 conversion speed change valves 82, swash plate 79 angles of 80 actions of main transformer speed oil cylinder and change driving pump 38, the rotating speed of the motor drive shaft 46 of driving motors 39 is infinitely changed, or make the speed change of travelling of its reversing, speed change valve 82 can recover neutral by above-mentioned swash plate 79 angular adjustment action, carries out feedback action, and the operational ton of above-mentioned swash plate 79 angles and main shift lever 81 changes pro rata, make the rotation speed change of driving motors 39, thereby make the speed of a motor vehicle change (with reference to Figure 12).
In addition, as shown in figure 12, thereby also be provided with the secondary speed change oil cylinder 85 that swash plate 84 angles that are used to change driving motors 39 are adjusted output, secondary speed change oil cylinder 85 be connected with above-mentioned supply pump 78 formation hydraulic pressure by the secondary speed change valve 86 of electromagnetism.In secondary speed change valve 86 is in immediately, secondary speed change oil cylinder 85 and gearbox 22 short circuits as fuel tank, with major loop hydraulic pressure swash plate 84 angles of driving motors 39 are changed, and change swash plate 84 angles forcibly with the switching of secondary speed change valve 86, the output of driving motors 39 can be changed at a high speed or low speed.
In addition, as shown in figure 12, thereby also be provided with the switching valve 89 and the automatic switching valve 90 of electromagnetism that turn to oil cylinder 88, link with steering direction dish 19 and main shift lever 81 and switch by operation that swash plate 87 angles that are used to change steering pump 41 are adjusted output.By switching valve 89 and the automatic switching valve 90 of electromagnetism supply pump 78 is connected with turning to oil cylinder 88 formation hydraulic pressure.
When switching by 19 pairs of switching valves 89 of steering direction dish, turn to swash plate 87 angles of oil cylinder 88 actions and change steering pump 41, the rotating speed of the motor drive shaft 64 of steering motor 42 is infinitely changed, or make the left and right sides go to action of its reversing, on the other hand, undertaken to make switching valve 89 to recover neutral feedback action by above-mentioned swash plate 87 angular adjustment action, with this operational ton of above-mentioned swash plate 87 angles and steering direction dish 19 is changed pro rata, and the rotating speed of change steering motor 42, thereby can change left and right sides steering angle (with reference to Figure 12).
In addition, when by main shift lever 81 is operated beyond the neutrality the position and to steering direction dish 19 operation beyond keeping straight on, the oil pressure output that can increase and decrease the oil pump 38 that travels pro rata by the direction of operating and the operational ton of main shift lever 81, make hydraulic motor 39 rotatings or increase and decrease speed and change front and back gait of march (speed of a motor vehicle), at this moment, the output of steering pump 41 can change (with reference to Figure 12) pro rata by the operational ton of main shift lever 81.
When having operated main shift lever 81, can automatically reduce radius of turn by the high-speed side speed change of travelling, and can automatically strengthen radius of turn by the low speed side speed change of travelling, on the other hand, when having operated steering direction dish 19, can be roughly necessarily with the radius of turn that the speed change of travelling is irrespectively kept ridden in left or right direction crawler belt 2, and can carry out according to the change of operation travel speed and do not gather in the course that paddy stalk row wait the correction bodies.
On the other hand, controlling each valve 82,89 o'clock, the output of the output of steering pump 41 and the oil pump 38 that travels, operational ton by steering direction dish 19 changes pro rata, travel speed (speed of a motor vehicle) is slowed down, and the speed difference of increasing ridden in left or right direction crawler belt 2, turn to the left and right.
Therefore, can change the actuating speed of ridden in left or right direction crawler belt 2 and carry out carrying out the harvesting operation that fast steering can gather in paddy stalk and threshing continuously with reference to the correction of course and at the edge of a field.In addition, in main shift lever 81, immediately, can have nothing to do with the operation of steering direction dish 19, and keep switching valve 89 neutrality, make the oil pressure output of steering pump 41 roughly remain zero, and can stop steering motor 42.
Below, with reference to Figure 10～Figure 14, the drive mechanism of countershaft case 25 is described.The output shaft 44 of above-mentioned engine 21 is protruded the front side and the rear side that are arranged at countershaft case 25.The front side of output shaft 44 and above-mentioned power shaft 45 link.Rear side at output shaft 44 disposes operation output belt pulley 91.In the left side of engine 21, countershaft case 25 is set on the front side support 3 of threshing portion 4.Countershaft case 25 has: input belt pulley 92, the tuning belt pulley 93 of the speed of a motor vehicle, threshing belt pulley 94, harvesting belt pulley 95, screening belt pulley 96.Be connected with operation output belt pulley 91 usefulness belts 98 by the input belt pulley 92 of tensioning threshing clutch 97, and will pass to countershaft case 25 from the driving force of engine 21 by input belt pulley 92 with countershaft case 25 rear sides.
By the idle pulley 99 of right supporting seat 24 front sides, the harvesting drive pulley 62 usefulness belts 100 of the tuning belt pulley 93 of the speed of a motor vehicle on above-mentioned countershaft case 25 right sides with gearbox 22 are linked.To gather in the left side that input belt pulley 103 is supported in above-mentioned cabinet 101 by harvesting power shaft 102, and harvesting belt pulley 95 with above-mentioned countershaft case 25 left sides, link with harvesting input belt pulley 103 usefulness belts 104, with each transmission of drive force (with reference to Figure 10) to reaping part 7.In addition, can will gather in input cabinet 101 flexibly rotatably and be supported on the supporting seat 23,24, and harvest frame 12 and above-mentioned cabinet 101 are linked, can make the mechanism of reaping part 7 around cabinet 101 rotations and energy lifting to constitute.
Below, be driving input belt pulley 105 usefulness belts 106 bindings with threshing belt pulley 94 with the above-mentioned admittance case 6 of countershaft case 25 front sides, the driving force of self-sizing belt pulley 96 passes to screening windmill and the swing sorting mechanism of admitting case 6 downsides in the future, thereby drives 6 each one of threshing portion.On the other hand, feeding chain power shaft 107 is arranged on above-mentioned countershaft case 25 left surfaces, and the drive sprocket 108 of above-mentioned feeding chain 5 is configured in to side shifting on the feeding chain power shaft 107 outside, will give drive sprocket 108 (with reference to Figure 10) from the transmission of power of feeding chain power shaft 107.
On the other hand, discharge drive pulley 109 is arranged on the front side of granary 15.This belt pulley 109 links with above-mentioned operation output belt pulley 91 belts by discharging clutch 110, will pass to from the output of engine 21 and discharge auger conveyor 17, and the grain of granary 15 is discharged (with reference to Figure 10).
As shown in figure 14, admit case power shaft 111 to be supported on the countershaft case 25, and be somebody's turn to do power shaft 111 along countershaft case 25 fore-and-aft directions extension setting.Threshing belt pulley 94 is arranged on the leading section of the above-mentioned axle 111 that protrudes to countershaft case 25 outside front, on the other hand, input belt pulley 92 is located at above-mentioned 111 the rearward end of protruding to the outside, countershaft case 25 back, will inputs to from the regulation rotary power of engine 21 and admit case power shaft 111 and make this power shaft 111 constant speed rotation.
On the other hand, tuning power shaft 112 is supported on the right side of countershaft case 25, and make tuning power shaft 112 protrude from the outside, right side of countershaft case 25, the tuning belt pulley 93 of the speed of a motor vehicle is configured in the right-hand end of above-mentioned axle 112, by idle pulley 99 between belt pulley 62,93 with belt 100 tensionings, from gearbox 22 to the countershaft case 25 input tuning power of the speed of a motor vehicle (with reference to Figure 10).
And, the countershaft that links by bevel gear 113 and above-mentioned admittance case power shaft 111 or as the constant speed shaft 114 of screening power shaft, and be supported on the countershaft case 25 with speed of a motor vehicle tuning shaft 115 that this front side almost parallel of 114 disposes, and the one-way clutch 120 that will be used to transmit the tuning revolving force of the speed of a motor vehicle of tuning power shaft 112 is arranged on tuning power shaft 112, in the time will passing to gear 117 by one-way clutch 120, can make 115 rotations (with reference to Figure 14) of speed of a motor vehicle tuning shaft by gear 117 and harvesting clutch 118 from the power of the tuning belt pulley 93 of the speed of a motor vehicle.
In addition, with be used to form harvesting constant speed mechanism 121 harvesting constant speed clutch 122, and high-speed cutting gear 123 be arranged at above-mentioned each on 114,115, and by clutch 122 and gear 123 with each 114,115 binding, if utilize switching slide block 124 selects a ground and said gear clutch 118,122 any one cooperates, then can be driving reaping part 7 with the tuning actuating speed of the speed of a motor vehicle, and can drive reaping part 7 with harvesting lodging paddy stalk (with reference to Figure 14) with the high speed constant speed faster (high-speed cutting actuating speed) than speed of a motor vehicle tuned speed.
In addition, make the left-hand end of constant speed shaft 114, protrude, will screen the left end that belt pulley 96 is supported on constant speed shaft 114 to the bottom in countershaft case 25 left sides rear side.On the other hand, harvesting power transmission shaft 125 is supported on the lower front side in countershaft case 25 left sides, and will gathers in the right side and 115 bindings of speed of a motor vehicle tuning shaft of power transmission shaft 125 by torque limiter 126.Make above-mentioned harvesting power transmission shaft 125 protrude from the left side of countershaft case 25, and will gather in the left end that belt pulley 95 is supported in harvesting power transmission shaft 125.To gather in driving shaft 127 with gear 128 and be linked on the above-mentioned harvesting power shaft 102, and will gather in the input belt pulley 103 be supported on the harvesting driving shaft 127 on (with reference to Figure 14).
Therefore, be cut into the tuning input of the speed of a motor vehicle of transmitting and be cut into the constant-speed drive input by same slide block 124 to torque limiter 126, can not produce the uncomfortable situation of carrying out simultaneously to torque limiter humorous input of 126 transfer car velocity modulations and constant-speed drive input, select a humorous input of ground transfer car velocity modulation and constant-speed drive input by slide block 124, the control of transmission conversion can be do not needed, operability can be improved.
On the other hand, can be disposed at rotatably flexibly on the left supporting seat 23 around the longitudinal axis by the cabinet of fulcrum shaft 199 gear 128, and the left side that will gather in input cabinet 101 is fixed on the case of gear 128, by said gear 128 being located in each case 101, can be in the harvest frame 12 of above-mentioned cabinet 101 right-hand member sides with harvesting power transmission shaft 130 interpolations, and from gathering in the left end side input harvesting power of power shaft 102, carry out the driving of reaping part 7 by harvesting power transmission shaft 130, and reaping part 7 is mobile to the approximate horizontal ground rotation of body left side around fulcrum shaft 129, so that carry out inboard each cabinet 22 of body, near maintenance 25 etc.
As Fig. 9 and shown in Figure 14, feeding chain power shaft 107 is supported on above-mentioned countershaft case 25 left upper portion.Above-mentioned power shaft 107 is linked by transmission chain clutch 131 usefulness chains 133 and feeding chain drive axle 132, and be provided with feeding chain gear 134, so that can utilize the rotation speed change of speed of a motor vehicle tuning shaft 115 to change constant speed shaft 114 rotations.
On the other hand, planetary gear 136 is supported on the bearing body 140 with revolving round the sun, bearing body 140 is supported on the constant speed shaft 114 with revolving round the sun, and bearing body 140 and above-mentioned transmission chain driving shaft 132 are linked by above-mentioned transmission chain clutch 131 and gear 141, guarantee the necessary minimum rotation of paddy stalk transportation with formation, and can be with the speed of feeding chain 5 from low constant rotation and the speed of a motor vehicle is tuning and can change (with reference to Figure 14).
In addition, the hydraulic pressure threshing oil cylinder 144 that will be used to make the hydraulic pressure harvesting constant speed oil cylinder 143 that switches slide block 124 actions and being used to import threshing clutch 97 is fixed on the oil circuit base 145 as above-mentioned countershaft case 25 upper cover.On the other hand, the speed of a motor vehicle constant speed oil cylinder 146 that will have the above-mentioned speed of a motor vehicle constant speed clutch 76 of incision, and make speed of a motor vehicle constant speed oil cylinder 146 action speed of a motor vehicle constant speed valve 147, make 143 actions of harvesting constant speed oil cylinder harvesting constant speed valve 149, make the threshing valve 150 of threshing oil cylinder 144 actions, with supply pump 78 side by side oil pressure be connected (with reference to Figure 12).
Below, illustrate that with reference to Figure 15 and Figure 16 the harvesting gear 151 of the actuating speed that will switch reaping part 7 is arranged at the structure of countershaft case 25.Use the countershaft case 25 identical shaped, constitute the model that is provided with harvesting gear 151 with the countershaft case 25 of Figure 13 that harvesting gear 151 models are not set.The low-speed gear 152 and the high gear 153 that form harvesting gear 151 are configured between above-mentioned tuning power shaft 112 and the harvesting variable-speed shaft 154.Can carry out low speed and the neutral and harvesting speed change slide block 155 that respectively gathers in speed change at a high speed and when selecting a ground above-mentioned each gear 152,153 is combined with harvesting variable-speed shaft 154 when possessing, can transmit the harvesting speed changes to the speed of a motor vehicle tuning shaft 115 that on same axle center, links with harvesting variable-speed shaft 154 and export by harvesting speed change slide block 155.
On the other hand, also possess high-speed cutting gear 156, and will be used to form the continuous productive process gear 123 of harvesting constant speed mechanism 121 and high-speed cutting gear 156 be configured in above-mentioned each between 114,115.Possesses the switching slide block 124 that utilizes low speed constant speed (continuous productive process actuating speed) or high speed constant speed (high-speed cutting actuating speed) to drive reaping part 7, when by switch slide block 124 select a ground switch above-mentioned each gear 123,156 with above-mentioned each 114,115 when combining, can low speed stable (continuous productive process) drive reaping part 7, and irrespectively the paddy stalk of reaping part 7 is transported to feeding chain 5 one sides with certain rotation speed with the speed of a motor vehicle.On the other hand, can high speed constant speed (high-speed cutting) drive reaping part 7, and drive reaping part 7 and can gather in lodging paddy stalk (with reference to Figure 16) with the certain rotation speed faster than speed of a motor vehicle tuned speed.
Below, be arranged at the mounting structure of the torque limiter 126 on the above-mentioned harvesting power transmission shaft 125 with reference to Figure 13, Figure 14, Figure 17～Figure 20 explanation.Being used to form on the separation casing 25a that can load and unload flexibly of above-mentioned countershaft case 25 sidewall parts, offered torque limiter installing hole 157.From the outside that bearing cap 158 is chimeric with above-mentioned installing hole 157, and can bearing cap 158 be tightened on the separation casing 25a with bolt 159 with loading and unloading flexibly.By bearing 160, will can rotate in the middle of the harvesting power transmission shaft 125 and be slidably supported flexibly on the bearing cap that can load and unload flexibly 158 that is used to form countershaft case 25 parts.
On the other hand, above-mentioned harvesting power transmission shaft 125 is protruded from the outside of countershaft case 25, utilize key will gather in belt pulley 95 chimeric ends that are fixed on harvesting power transmission shaft 125.To gather in the inboard that power transmission shaft 125 inserts countershaft casees 25, and can rotatably the restriction travelling gear 161 of straight-tooth wheel shape be supported in the other end of harvesting power transmission shaft 125 by bearing 162 flexibly.In addition, when the profile of the ratio bearing cap 158 that forms when the external diameter of above-mentioned belt pulley 95 is big, under the state that belt pulley 95 is pulled down from axle 125, can carry out the dismounting (with reference to Figure 18) of bearing cap 158 and bolt 159.
On the other hand, the ratio installing hole that is formed when the external diameter of said gear 161 157 hours under the state that gear 161 is installed on axle 125, can make the fitting portion of axle 125 and bearing cap 158 installing hole 157 (with reference to Figure 18) of coming in and going out.In addition, will be used to mesh the spur gear 163 of said gear 161, and cooperate to be supported on the above-mentioned speed of a motor vehicle tuning shaft 115, and will limit travelling gear 161 and 115 bindings (with reference to Figure 16) of speed of a motor vehicle tuning shaft.
In addition, torque limiter 126 has: integral body is formed at the cylindrical housing 164 of above-mentioned restriction travelling gear 161 sides, the bearing plate 165 and the pressing plate 166 of the annular plate-like of on harvesting power transmission shaft 125, facing mutually, the torque plate 168 that is used on same circumference the annular plate-like of a plurality of moment of torsion rollers 167 of roughly equally spaced arranging, be used for from the tabular inner panel 169 and the outside plate 170 of annular flat of moment of torsion roller 167 in the face of two side clamping torque plate 168 of the axis direction of harvesting power transmission shaft 125, screw thread is installed on the above-mentioned power transmission shaft 125 and is used for nut that can load and unload flexibly 171 and packing ring 172 (with reference to Figure 19) with pressing plate 166 crimping.In addition, shell 164 grades of torque limiter 126 base side are configured in countershaft case 25 inside, and can constitute oil bath shell 164 etc.
As Figure 18 and shown in Figure 19, harvesting power transmission shaft 125 is supported on the bearing cap 158, restriction travelling gear 161 can be supported on the harvesting power transmission shaft 125 with extracting flexibly, bearing plate 165 interpolations are in the endoporus of shell 164, many group inner panels 169 and torque plate 168 are inserted in the shell 164, and the endoporus that makes inner panel 169 is with the spline fitted of harvesting power transmission shaft 125 and support inner panel 169 endoporus.
On the other hand, the convex shaped key 175 of the outside plate 170 excircles keyways 174 with the shell 164 that is provided with at interval by 120 degree are roughly cooperated.In addition torsion spring 176 is supported on the seat board 1771, seat board 177 can be supported in flexibly rotatably the machine outboard end of harvesting power transmission shaft 125, if torque nut 178 is screwed on the above-mentioned axle 125, then torque limiter 126 and bearing cap 158 and harvesting power transmission shaft 125 are assembled into the assembly structure.Screw-down torque nut 178 is also regulated torsion spring 176 pressure, can set the transmission moment of torsion (with reference to Figure 18) of moment of torsion roller 167.
On the other hand, form above-mentioned harvesting belt pulley 95 in addition, reach this belt pulley hub 179, utilize bolt 180 can load and unload flexibly belt pulley 95 and belt pulley hub 179 is fastening, belt pulley hub 179 is carried out key with harvesting power transmission shaft 125 to be cooperated, torque nut 178 and spring 176 are configured in the outside of countershaft case 25, torsion spring 176 can be crimped on the machine lateral surface of belt pulley hub 179 (with reference to Figure 18).
Axle center part at harvesting power transmission shaft 125 forms L shaped oilhole 181, if with oilhole 181 one distolateral be opened in the countershaft case 25 axle 125 end faces and with the other end side opening of oilhole 181 on the periphery of harvesting power transmission shaft 125, the centrifugal force that then utilizes 125 rotations of harvesting power transmission shaft to produce, oil in the countershaft case 25 is moved to moment of torsion roller 167 directions from oilhole 181, and utilize centrifugal force that moment of torsion roller 167 is carried this oil forcibly, carry out forced feed lubrication (with reference to Figure 17).
In addition, with respect to the cylindrical shape of above-mentioned moment of torsion roller 167, will overlook similar rectangular supported hole 182 and be formed on the torque plate 168.Moment of torsion roller 167 can be inserted in the supported hole 182 flexibly rotatably.On the edge of opening of the long side of facing with supported hole 182, form a pair of tongue piece of facing 183, and make the excircle sliding-contact (with reference to Figure 19) of tongue piece 183 and moment of torsion roller 167.
In addition, on the excircle of torque plate 168, form warpage edge 184, and tongue piece 183 is protruded to the equidirectional at warpage edge 184, if form the thickness (width of axis direction) of torque plate 168 littler than the external diameter of moment of torsion roller 167, then the outer circumferential sides of moment of torsion roller 167 protrudes from the two sides of torque plate 168, moment of torsion roller 167 can with inner panel 169 and outside plate 170 sliding-contacts (with reference to Figure 19).If will be used to form a pair of tongue piece 183 front end sideway torque rollers 167 circumferencial direction warpages of retainer, then utilize a pair of tongue piece 183 can be flexibly the excircle of clamping moment of torsion roller 167 (with reference to Figure 20) rotatably.
Moment of torsion roller 167 is arranged on the torque plate 168, makes the axial line of moment of torsion roller 167 tilt to torque plate 168 rotation downstreams with certain angle of inclination with respect to radioactive ray by torque plate 168 pivots.Moment of torsion roller 167 is arranged on the torque plate 168, make the rotational axis line of moment of torsion roller 167 with respect to the plane (radioactive ray) of the pivot that comprises torque plate 168 certain angle that only tilts, when the spur gear 163 by car tuning shaft 115 drives shell 164 rotations, each moment of torsion roller 167 contacts with outside plate 170 on one side with inner panel 169 on one side and rotates, and torque plate 168 also can be rotated.
At this moment, because each moment of torsion roller 167, make to swing-around trajectory and rotate, moved to the swing-around trajectory direction of outside plate 170 on one side by torque plate 168 restrictions on one side, so produced and the proportional frictional resistance of above-mentioned torsion spring 176 pressure to the direction of the certain angle that only tilted with respect to outside plate 170.
And, while owing to rotating, each moment of torsion roller 167 produces sliding friction, thus do not produce static friction, and total energy obtains utilize dynamic friction and stable frictional resistance.On the other hand, when the harvesting that increases harvesting power transmission shaft 125 sides drives load, perhaps by the change of spur gear 163 side input speeds when high-speed side sharply changes shell 164 rotary speeies, each rotation torque that has increased inner panel 169 and outside plate 170 is poor, and each rotation torque difference is greater than the frictional resistance of moment of torsion roller 167.At this moment, inner panel 169 also can cut off transfer motion power with outside plate 170 relative slips.
As mentioned above, utilize any one party of hydraulic speed-change mechanism 40 and constant speed mechanism 121 can constitute to reaping part 7 transmission of drive force as homework department.Torque limiter 126 is disposed at the harvesting power transmission shaft 125 that is used to make reaping part 7 rotations.Even when switching hydraulic speed-change mechanism 40 and constant speed mechanism 121, produce impact, also can utilize torque limiter 126 to absorb this impact because of the driving torque difference.On the other hand, the action pastas in the countershaft case 25 by establishing torque limiter 126 in will being used for be provided with than the axle 125 of torque limiter 126 the position height is set, can supply with action oil to torque limiter 126 fully and be lubricated.
On the other hand, when torque nut 178 and torsion spring 176 are arranged at belt pulley hub 179 outsides, the torque setting of torque limiter 126 can be slave carried out outward, the raising of operability such as maintenance can be realized.Forming in addition under harvesting belt pulley 95 and belt pulley hub 179 and the situation with bolt 180 fastening harvesting belt pulleys 95 and belt pulley hub 179, can pull down with the state of pulling down belt pulley hub 179 and gather in belt pulley 95, can under the state that the setting moment of torsion maintenance of torque limiter 126 is certain, pull down harvesting belt pulley 95, carry out belt and change operation.
And,, on rotating shaft 125, make bearing plate 165 and pressing plate 166 face-to-face as Figure 19, shown in Figure 20.And between above-mentioned bearing plate 165 and pressing plate 166, be provided with to organize inner panels 169 and torque plate 168 and outside plates 170 more.Inner panel 169 is cooperated with rotating shaft 125, outside plate 170 is cooperated with shell 164, moment of torsion roller 167 is configured on the torque plate 168.On the other hand, torque nut 178 screw threads are installed on the rotating shaft 125, spring seat board 177 is fixing with torque nut 178, and between spring seat board 177 and pressing plate 166, dispose spring 176.Bearing plate 165 or pressing plate 166 are formed its pressure-bearing surface 185,186 and can face mutually with torque plate 168.The pressure-bearing surface 185,186 of bearing plate 165 or pressing plate 166 slightly is concave shape with above-mentioned pressure-bearing surface 185,186 formation, so that become the crooked plane by the pressure that produces the setting moment of torsion.
Each pressure-bearing surface 185,186 of bearing plate 165 and pressing plate 166 is formed the conical configuration that constitutes inclination angle A1, A2.Each pressure-bearing surface 185,186 is formed the circular cone that constitutes inclination angle A1, A2, make the outer circumferential sides of bearing plate 165 and pressing plate 166 to be abutted against (with reference to Figure 20) with inner panel 169 earlier.
Therefore, because the pressure when bearing plate 165 or pressing plate 166 are set moment of torsion because of producing is crooked, and pressure-bearing surface 185,186 slightly is the plane, so can press the face that moment of torsion roller 167 has applied smoothly, can reduce moment of torsion roller 167 eccentric wears damage and can improve durability, improve the transmitting accuracy of setting moment of torsion.In addition, even be not formed when setting moment of torsion and can not produce the thickness of distortion, also can make the face of pressure-bearing surface 185,186 press smoothing, so can constitute the space-efficient miniaturized components at the thickness of slab of bearing plate 165 or pressing plate 166.
In addition,, on bearing plate 165, be provided with stage portion 187, this stage portion 187 be abutted against also with the inner ring portion 188 of bearing 162 can bear the setting moment of torsion as Figure 17, shown in Figure 20.In addition, on pressing plate 166, be provided with stage portion 189, when this stage portion 189 is abutted against with packing ring 172, between the packing ring 172 and pressing plate 166 fixed by nut 171, circumference along pressing plate 166 has formed the space, thus, the fastening force of nut 171 by packing ring 172 from stage portion 189 linear function in pressing plate 166.
As shown in figure 17, when plastic axle cover 191 is fixed on the belt pulley hub 179 by screw 190 and be located at torsion spring 176 and torque nut 178 etc. in the above-mentioned axle cover 191, torque nut 178 can be operated in the outside from countershaft case 25 under the state that axle cover 191 is dismantled, to regulate the setting moment of torsion of torque limiter 126.In addition, when corresponding to the gap between a plurality of inner panels 169, when oilhole 181 being opened on the many places of rotating shaft 125 excircles respectively, oil is from each oilhole 181, the keyway 174 by shell 164, utilizes centrifugal force along shell 164 outside moving, and can lubricate moment of torsion roller 167 forcibly.
As indicated in above-mentioned, when oilhole 181 being opened on a plurality of occlusive parts that separate with inner panel 169 respectively and can forming fuel feeding, even inner panel 169 and outside plate 170 and torque plate 168 are set to the multilayer shape, also can be to moment of torsion roller 167 supplying lubricating oil fully, and can correctly keep the transmission moment of torsion, improve durability, and can improve the function of torque limiter 126.
In addition, with the oil of occlusive part when shell 164 keyways 174 that cooperated outside plate 170 are discharged, can utilize centrifugal force that the oil of moment of torsion roller 167 peripheries is discharged expeditiously from keyway 174, can promote fuel feeding, can carry out moment of torsion roller 167 expeditiously and lubricate moment of torsion roller 167.On the other hand, when between packing ring 172 and the pressing plate 166 when pressing plate 166 circumferences form the space, the fastening force of nut 171 is directly acted on pressing plate 166 by packing ring 172, make compression face 186 smoothings of pressing plate 166 and prevent the inclined to one side load of moment of torsion roller 167.
In addition, as Fig. 1～Fig. 4, shown in Figure 9, also have: be arranged at column controller 192 in the driver's seat 20 rear side driving cabins 18, be arranged at travel controller 194 on the front panel 193 of left and right sides supporting seat 23,24, be arranged on engine controller 195 on the driving cabin after-frame 30 in the outside of engine room shell 31, be arranged at the threshing controller 196 on threshing portion 4 frames of granary 15 rear sides.Each controller the 192,194,195, the 196th, the structure that can utilize pipeline communication to connect.
On the other hand, be used to carry out reaping part 7 liftings, body level control, and the hydraulic valve assembly 197 that moves of discharging auger conveyor 17 be set at granary 15 downside supports 3 top (with reference to Fig. 5).Have: the atmosphere that is disposed at the engine room shell 31 machines outside imports cover 198, makes the vertical auger conveyor 16 of discharging around the granary 15 that horizontally rotates.Granary 15 and atmosphere importing cover 198 can be arranged on body side (with reference to Fig. 3) flexibly rotationally.Be used for a part with gear 128 and be arranged at the inner casing 200 of taking in, can be set at the top (with reference to Fig. 4) of left supporting seat 23 by fulcrum shaft 199 flexibly around the longitudinal axis rotationally.Take in casing 200 and be configured in the left side of the harvesting input cabinet 101 that is used to support harvest frame 12.The part of said gear 128 is located in the harvesting input cabinet 101 (with reference to Figure 10).The driving force of reaping part 7 is imported from left end one side of harvesting power shaft 102, and passed to the harvesting power transmission shaft 130 that inserts in the harvest frame 12.On the other hand, when reaping part 7 slightly is flatly when rotate the side to body left side around fulcrum shaft 199, can carry out near the maintenance of inboard each cabinet of body 22,25.
In addition, as Figure 13, shown in Figure 15, to pass to by countershaft case 25 from the power of engine 21 and be used to drive travel gearbox 22, and the combine of reaping part 7 and threshing portion 4 of crawler belt 2, when Figure 15 model that is being provided with the harvesting gear 150 that is used to change above-mentioned reaping part 7 actuating speeds, and be not provided with when using identical shaped countershaft case 25 on Figure 13 model of harvesting gear 150, can be on different a plurality of models dual-purpose countershaft case 25, can reduce manufacturing cost with this.
In addition, with the actuating speed of reaping part 7 when speed of a motor vehicle tuned speed is converted to constant drive speed (continuous productive process speed) and drive reaping part 7, the constant drive speed of the reaping part 7 when being provided with Figure 15 model of gathering in gear 150 with employing is compared, the constant drive speed (continuous productive process speed) of the reaping part 7 when having accelerated to adopt Figure 13 model that harvesting gear 150 is not set, thus, can the corresponding fast speed of a motor vehicle and drive reaping part.
In addition, on Figure 15 model that is being provided with harvesting gear 150, with the continuous productive process gear 123 of continuous productive process mechanism, be located in the countershaft case 25 as the high-speed cutting gear 156 of high-speed cutting mechanism.On the other hand, on Figure 13 model that harvesting gear 150 is not set, high-speed cutting gear 156 is also only changed continuous productive process gear 123 and axle 154 by dismantling, just can constitute be provided with the harvesting gear 150 Figure 15 model, and be not provided with the harvesting gear 150 Figure 13 model, can reduce manufacturing cost.
On the other hand, because the position is set utilizes reaping part 7 to rotate and opened of travel controller 194 to the side, so travel controller 194 can be located at the inboard and position of leaving from engine 21 that easily travel controller 194 is maintained of body, and position of close countershaft case 25.Be used to be layed in the electric wiring between travel controller 194 and the countershaft case 25, can shorten it and lay distance, improve assembleability and operability, and can reduce manufacturing cost.
In addition,, fastening seat 201 is formed as one with countershaft case 25, be disposed at support 3 top reaching on the supporting seat 23 bearing seat 202,203 as Fig. 5, Fig. 6, shown in Figure 9.With bolt 204 fastening seat 201 is fixed on and bears on the seat 202,203.Countershaft case 25 is fixed on support 3 and the supporting seat 23.On the other hand, accumulator 206 can be come in and gone out in supporting seat 23 from the opening 205 of supporting seat 23 sides.For example, do not need the support 3 of threshing portion 4 front sides is forwards expanded and accumulator 206 is set.Support 3 can be effectively utilized, and the maintenance operation can be simplified.
In addition can be on the support 3 below the granary 15 that rotate the side because hydraulic valve assembly 197 is located at, so when with granary 15 when rotate the side, carry out maintenance easily to hydraulic valve assembly 197.On the other hand, owing between the fuel tank 207 of the countershaft case 25 of support 3 front sides and support 3 rear sides, the blast pipe 208 of engine 21 is arranged on the downside of threshing portion 4, so can leave accumulator 206 and hydraulic valve assembly 197 is provided with blast pipe 208.
As Fig. 6, shown in Figure 8, countershaft case 25 is located between left and right sides supporting seat 23,24 and the threshing portion 4 in addition.The bracing frame 209 that is used to link left and right sides supporting seat 23,24 by crossbearer above countershaft case 25.Owing to utilize bracing frame 209 that left and right sides supporting seat 23,24 is linked, so, can utilize bracing frame 209 as the installing component of electric wiring 210 or the reinforcing member of supporting seat 23.
In addition, when the electric wiring 210 with speed change valve 211 is supported on the bracing frame 209, can be with the reinforcing member utilization of bracing frame 209 as supporting seat 23, and can utilize bracing frame 209 to set up electric wiring 210 simply.When the controller 194 with speed change valve 211 is arranged between the left and right sides supporting seat 23,24 and is located at the side rotating fulcrum 199 of reaping part 7 on side's supporting seat 23, can utilize reaping part 7 to rotate and unlimited supporting seat 23,24 fronts to the side, above-mentioned controller 194 is arranged at the position of easy maintenance, so can make countershaft case 25 and controller 194 close.
In addition as Fig. 4, Fig. 7, shown in Figure 8, when being fixed on linkage frame 34 centres in the front side that bearing 212 is arranged on gearbox 22 and with bearing 212, can relax linkage frame 34 setting height(from bottom)s of gearbox 22 or be located at the restriction of accessory height above the gearbox 22 etc., can simplify the structure and the housing construction of gearbox 22 and can improve rigidity etc.In addition, when on gearbox 22, being provided with floss hole 213 and on this floss hole 213, link air discharge pipe 214, floss hole 213 can be arranged on roughly extreme higher position on gearbox 22, the binding by air discharge pipe 214 can realize simplification of gearbox 22 discharge configuration etc.
In addition, as shown in figure 21, at job controller 282 input sides that constitute by microcomputer, connected the threshing switch 272 that detects operation bar 271 operations that are used to drive threshing portion 4, detection is used to drive the harvesting switch 273 of operation bar 271 operations of reaping part 7, harvesting speed change slide block 155 is switched to the harvesting varying speed switch 274 of low speed side or high-speed side, detect the switch 275 that runs up of the change action that advances at utmost speed of main shift lever 81, detect main shift lever 81 retreat change action retreat switch 276, detect the continuous productive process pedal and trample the manual continuous productive process switch 278 of operation, carry out secondary speed change and switch the secondary varying speed switch 279 of (low speed or high speed), the automatic lifting switch 280 that makes reaping part 7 rise or descend automatically, discharge auger conveyor 17 is automatically turned to the automatic position-sensing switch 281 of cereal drain position from this reception position, detect the left and right sides vehicle speed sensor 285 of ridden in left or right direction crawler belt 2 speed of a motor vehicle, 286, detect reaping part 7 and have or not the paddy stalk sensor 287 that transports the paddy stalk, detect the harvesting input pickup 288 that is used for the input speed of the tuning power shaft 112 of the tuning power of the reaping part 7 input speed of a motor vehicle by low-speed gear 152.
In addition, as shown in figure 21, at job controller 282 outlet sides, connected and to have gathered in the harvesting low speed solenoid 289 that the speed change oil cylinder switches to low speed side, harvesting speed change oil cylinder is switched to the harvesting high-speed solenoid 290 of high-speed side, make the action of feeding chain clutch oil cylinder and it is switched to the feeding chain solenoid 291 of feeding chain clutch 131, make constant rotary oil cylinder action and make and switch the continuous productive process solenoid 292 that slide block 124 cooperates with continuous productive process gear 123, and the high-speed cutting solenoid 293 that makes constant rotary oil cylinder action and switching slide block 124 is cooperated with high-speed cutting gear 156.In addition, as shown in figure 16, on tuning power shaft 112, be provided with and detect the turn-sensitive device 301 that is used to calculate the harvesting input speed, and gather in the rotating speed of input with turn-sensitive device 301 detected tuning power shaft 112 rotating speeds and gear Tooth Number Calculation.In addition, on harvesting power transmission shaft 125, be provided with and detect the turn-sensitive device 302 that is used to calculate the rotating speed that gathers in input speed, and can gather in input speed and calculate.
Below, Figure 22 is the speed control flow chart of reaping part 7, Figure 23 be the expression harvesting power transmission shaft 125 harvesting rotating speed KVx (actuating speed of reaping part 7) that are used to drive reaping part 7, and speed of a motor vehicle SV between the curve map that concerns.With reference to Figure 22 and Figure 23 the control of switching reaping part 7 actuating speeds is described.If connect harvesting switch 273 (S1 "Yes"), connect automatic lifting switch 280 and reaping part 7 dropped to paddy stalk harvesting height (S2 "Yes"), then make the low speed constant speed control (S3) of the harvesting rotating speed KVx of harvesting power transmission shaft 125 for low speed constant speed rotation Vq.In this low speed constant speed control, harvesting constant speed oil cylinder 143 moves down the excitatory of continuous productive process solenoid 292.Make switching slide block 124 carry out change action by harvesting constant speed oil cylinder 143.To switch slide block 124 links with continuous productive process gear 123.Be used to drive the low speed constant speed revolving force that gathers in power transmission shaft 125 and give harvesting power transmission shaft 125 from 123 transmissions of continuous productive process gear.Vq drives reaping part 7 with the rotation of low speed constant speed.
On the other hand, when carrying out low speed constant speed control (S3), when the operator by operation main shift lever 81 with speed of a motor vehicle SV speed-raising and when beginning to gather in operation, by speedup (S4 "Yes") under the situation of the speed of a motor vehicle qH of corresponding the next recovery point Dt2, carry out speed of a motor vehicle tuned speed control (S5) at the speed of a motor vehicle SV that imports by vehicle speed sensor 285,286.Under this speed of a motor vehicle tuned speed control, 143 actions of harvesting constant speed oil cylinder make switching slide block 124 return the neutral position.Speed of a motor vehicle tune drive power from the driving motors 42 of gearbox 22 is exported passes to harvesting power transmission shaft 125 by low-speed gear 152 or high gear 153.With the actuating speed of reaping part 7 and speed of a motor vehicle SV is tuning and switch to speed of a motor vehicle tuned speed along the speed of a motor vehicle tuning characteristic that increases to the increase of direct ratio ground with speed of a motor vehicle SV.
When carrying out above-mentioned speed of a motor vehicle tuned speed control (S5), when the operator operates main shift lever 81 with speed of a motor vehicle SV reduction of speed and be decelerated at the speed of a motor vehicle SV by vehicle speed sensor 285,286 input under the situation of speed of a motor vehicle tH of corresponding the next transfer point Dt (S6 "Yes"), carry out will harvesting power transmission shaft 125 rotating speed KVx be reduced to the low speed constant speed control (S7) of low speed constant speed rotation Vq.Corresponding to the speed of a motor vehicle tH of the next transfer point Dt, be the lower limit of the speed of a motor vehicle SV of the tuning interval D of the speed of a motor vehicle.To switch to low speed constant speed rotation Vq corresponding to the harvesting power transmission shaft 125 rotating speed Vt of the next transfer point Dt with the roughly the same the next constant speed point Dt1 of the next recovery point Dt2.
When carrying out above-mentioned low speed constant speed control (S7), the paddy stalk that is gathered in by reaping part 7 is moved to threshing portion 4, and when paddy stalk sensor 287 detected paddy stalks (S8 "No") when reaping part 7 transport, what stop reaping part 7 stops to control (S9).The both sides of harvesting low speed solenoid 289 and harvesting high-speed solenoid 290 are closed, low-speed gear 152 or high gear 153 are positioned at the neutral position and stop reaping part 7.
When carrying out above-mentioned speed of a motor vehicle tuned speed control (S5), when the operator operates main shift lever 81 speed of a motor vehicle SV is raised speed, by the speed of a motor vehicle SV of vehicle speed sensor 285,286 input by speedup (S10 "Yes") to the situation of the speed of a motor vehicle rH of corresponding upper transfer point Dr under, carry out will harvesting power transmission shaft 125 the rotating speed KVx high speed constant speed that rises to high speed constant speed rotation Vrx control (S11).In the control of this high speed constant speed, harvesting constant speed oil cylinder 143 is moved by high-speed cutting solenoid 293 excitations.Utilize harvesting constant speed oil cylinder 143 to make switching slide block 124 carry out change action.To switch slide block 124 links with high-speed cutting gear 156.To be used to drive the high speed constant speed revolving force that gathers in power transmission shaft 125 and pass to harvesting power transmission shaft 125 from high-speed cutting gear 156.The reaping part 7 speed rotation Vr of corresponding upper transfer point Dr is converted into the high speed constant speed rotation Vrx of the 1st upper constant speed point Dr1, and reaping part 7 is driven by high speed constant speed rotation Vrx.Speed of a motor vehicle rH corresponding to upper transfer point Dr is the upper limit of the speed of a motor vehicle SV among the tuning interval D of the speed of a motor vehicle.
On the other hand, when carrying out high speed constant speed control (S11), when the operator operate main shift lever 81 with speed of a motor vehicle SV reduction of speed, by the speed of a motor vehicle SV of vehicle speed sensor 285,286 input by reduction of speed (S12 "Yes") to the situation of the speed of a motor vehicle pH of corresponding upper recovery point Dr3 under, carry out speed of a motor vehicle tuned speed and control (S5).In this speed of a motor vehicle tuned speed control, 143 actions of harvesting constant speed oil cylinder make that switching slide block 124 returns neutrality.Speed of a motor vehicle tune drive power from the driving motors 42 of gearbox 22 is exported is delivered to harvesting power transmission shaft 125 by low-speed gear 152 or high gear 153.The actuating speed of reaping part 7 is switched to speed of a motor vehicle tuned speed rotation Vry corresponding to upper recovery point Dr3 from the high speed constant speed rotation Vrx corresponding to the 2nd upper constant speed point Dr2, and with speed of a motor vehicle SV tuning and along with the speed of a motor vehicle tuning characteristic of the increase direct ratio ground increase of speed of a motor vehicle SV switch to speed of a motor vehicle tuned speed.
In addition,, be formed with, be formed with the tuning interval E of the speed of a motor vehicle that transmits to harvesting power transmission shaft 125 by low-speed gear 152 by the tuning interval D of the speed of a motor vehicle of high gear 153 to 125 transmission of harvesting power transmission shaft as Figure 23 and shown in Figure 24.Speed of a motor vehicle tuned speed in the tuning interval D of each speed of a motor vehicle, E, different with the upper limit and the lower limit of speed of a motor vehicle SV.On the other hand, corresponding to the speed of a motor vehicle tuned speed scope of the tuning interval D of each speed of a motor vehicle, E speed of a motor vehicle SV (Vr～Vt), and the low speed constant speed Vq of reaping part 7, and the high speed constant speed Vrx of reaping part 7 adopt identical value.
As indicated in above-mentioned, combine of the present invention, the actuating speed KVx of reaping part 7 can be switched to the speed of a motor vehicle tuning and along with the speed of a motor vehicle tuned speed of the speed of a motor vehicle tuning characteristic that increases to direct ratio ground increase of speed of a motor vehicle SV, or the no matter increase and decrease of the speed of a motor vehicle and the rotating speed Vq of predefined constant, any one of Vrx drives reaping part 7, this combine has: the vehicle speed sensor 285 that detects speed of a motor vehicle SV, 286, detection is used to drive the harvesting input pickup 288 of power shaft 112 rotating speeds of reaping part 7, above-mentioned reaping part 7 actuating speed KVx are switched to any one the job controller 282 of low speed constant speed Vq or speed of a motor vehicle tuned speed or high speed constant speed Vrx as switching controls mechanism, and carry out such control, promptly, when the speed of a motor vehicle SV of the tuning interval D of the speed of a motor vehicle decelerates to the next transfer point Dt, above-mentioned reaping part 7 actuating speed KVx are switched to low speed constant speed Vq, and, above-mentioned reaping part 7 actuating speed KVx are switched to high speed constant speed Vrx when above-mentioned speed of a motor vehicle SV speedup during to upper transfer point Dr.
Therefore, when the speed of a motor vehicle SV among the tuning interval D of the speed of a motor vehicle decelerates to the next transfer point Dt, because above-mentioned reaping part 7 actuating speed KVx are switched to low speed constant speed Vq, so can drive above-mentioned reaping part 7 with the speed of a motor vehicle tuned speed slower than low speed constant speed Vq, and determine the speed of a motor vehicle tH of above-mentioned the next transfer point Dt, with this, can prevent to gather in, during operation that reaping part 7 pulls up paddy stalk, touch the fringe head threshing of paddy stalk because of operation running at a low speed.
On the other hand, when above-mentioned speed of a motor vehicle SV speedup during to upper transfer point Dr, owing to can control above-mentioned reaping part 7 actuating speed KVx are switched to high speed constant speed Vrx, so can drive above-mentioned reaping part 7 with the high speed constant speed Vrx faster than speed of a motor vehicle tuned speed, and determine the speed of a motor vehicle rH of above-mentioned upper transfer point Dr, with this, can prevent the overload of the above-mentioned harvesting operation of running at high speed.
Therefore, no matter when running at a low speed the harvesting operation and still run at high speed the harvesting operation, can both correctly drive above-mentioned reaping part 7 with above-mentioned low speed constant speed Vq or high speed constant speed Vrx, improved the harvesting operation that runs at a low speed the harvesting operation, and the operating efficiency of the harvesting operation of running at high speed.
Because above-mentioned low speed constant speed Vq is set at the actuating speed KVx height than pairing above-mentioned reaping part 7 when being above-mentioned the next transfer point Dt at above-mentioned speed of a motor vehicle SV, so, even the speed of a motor vehicle in the tuning interval of the speed of a motor vehicle is temporarily decelerated near the next transfer point Dt, also the actuating speed KVx of above-mentioned reaping part 7 can be remained on along on the speed of a motor vehicle tuned speed of speed of a motor vehicle tuning characteristic, make when driving above-mentioned reaping part 7 by speed of a motor vehicle tuned speed along speed of a motor vehicle tuning characteristic, can make above-mentioned reaping part 7 actuating speed KVx lower, can prevent that the fringe head of paddy stalk from being pulled up and threshing in operation by reaping part 7 than above-mentioned low speed constant speed Vq.
When an above-mentioned speed of a motor vehicle SV speedup to than above-mentioned the next transfer point Dt fast during appropriate value, reach the reaping part 7 actuating speed KVx of above-mentioned low speed constant speed Vq, in case after the next recovery point Dt2 that returns on the above-mentioned speed of a motor vehicle tuning characteristic, because above-mentioned job controller 282 switches to the speed of a motor vehicle tuned speed that adopts on the speed of a motor vehicle tuning characteristic as above-mentioned actuating speed KVx, so that the speed of a motor vehicle qH of above-mentioned the next recovery point Dt2 is faster than the speed of a motor vehicle tH of above-mentioned the next transfer point Dt, thus, above-mentioned reaping part 7 actuating speed KVx are successfully switched to speed of a motor vehicle tuned speed along above-mentioned speed of a motor vehicle tuning characteristic from above-mentioned low speed constant speed Vq.
Above-mentioned high speed constant speed Vrx is set to, the above-mentioned speed of a motor vehicle SV of the tuning interval D of the speed of a motor vehicle speed of a motor vehicle when being above-mentioned upper transfer point Dr than pairing above-mentioned reaping part 7 actuating speed KVx height, so the output of engine 21 has surplus, can above-mentioned reaping part 7 actuating speed KVx be switched to above-mentioned high speed constant speed Vrx from speed of a motor vehicle tuned speed along above-mentioned speed of a motor vehicle tuning characteristic.When driving above-mentioned reaping part 7 with speed of a motor vehicle tuned speed along above-mentioned speed of a motor vehicle tuning characteristic, can successfully carry out driving the harvesting operation of running at high speed of above-mentioned reaping part 7 with above-mentioned high speed constant speed Vrx, and the operating efficiency of the harvesting operation of running at high speed.
When above-mentioned speed of a motor vehicle SV when above-mentioned upper transfer point Dr decelerates to appropriate value, after the above-mentioned reaping part 7 actuating speed KVx that temporarily reach above-mentioned high speed constant speed Vrx return to upper recovery point Dr3 on the above-mentioned speed of a motor vehicle tuning characteristic, above-mentioned job controller 282 switches, speed of a motor vehicle tuned speed on the employing speed of a motor vehicle tuning characteristic is as above-mentioned actuating speed KVx, so can make the speed of a motor vehicle pH of above-mentioned upper recovery point Dr3 slower than the speed of a motor vehicle rH of above-mentioned upper transfer point Dr, thus, can be from successfully the actuating speed KVx of above-mentioned reaping part 7 being switched to above-mentioned high speed constant speed along the speed of a motor vehicle tuned speed on the above-mentioned speed of a motor vehicle tuning characteristic.
Above-mentioned job controller 282 can be controlled when reversing, so that above-mentioned reaping part 7 actuating speed KVx are switched to low speed constant speed Vq from speed of a motor vehicle tuned speed.In when reversing, because above-mentioned reaping part 7 is in halted state, thus even drive above-mentioned reaping part 7, also can under low speed constant speed Vq, begin the driving of above-mentioned reaping part 7 from halted state, thus, the impact load in the time of can suppressing to begin to drive above-mentioned reaping part 7.
Below, with reference to Figure 25～Figure 27, illustrate that the information of utilizing pipeline (CAN) communication shows and control.As shown in figure 25, the job controller 282 of Figure 21 is made of column controller 350 and travel controller 351.It is the structure of engine controller 352, column controller 350, travel controller 351 usefulness CAN cables 353 connections that will control engine 21.In addition, the input side at travel controller 351 has disposed the harvested position sensor 354 that detects reaping part 7 lifting positions.
On the other hand, at the outlet side of column controller 350, connected the synthesis display that is disposed on 19 ones on the driver behavior steering wheel with liquid crystal panel 355.Input side at column controller 350 has connected respectively: be used for switchable liquid crystal panel 355 displaying contents the 1st selector switch 356 and the 2nd selector switch 357, be used to select the 1st selector switch 356 and the 2nd selector switch 357 configuration switch 358, be used to determine the determine switch 359 of liquid crystal panel 355 displaying contents.
As shown in figure 26, when operating the 1st selector switch 356 and the 2nd selector switch 357 and configuration switch 358, when the displaying contents on the liquid crystal panel 355 is switched to wrong the demonstration, then on liquid crystal panel 355, showing error coded (for example CO-320), mistake place (for example engine oil temperature sensor, engine room, engine controller).
Below, as shown in figure 27, when operating the 1st selector switch 356 and the 2nd selector switch 357 and configuration switch 358, when the displaying contents on the liquid crystal panel 355 is switched to trouble shooting, then on liquid crystal panel 355, showing error coded (for example CO-320), mistake place (for example engine oil temperature sensor, engine room, engine controller), mistake generation time (for example 1234h) as fault record.
On the other hand, shown in the flow chart of Figure 28, make reaping part 7 actions and transmit constant revolving force with constant (continuous productive process) speed of low speed or high speed constant (high-speed cutting) speed or speed of a motor vehicle tuned speed, use than the high rotation of said motor 39 outputs and directly drive the crawler belt 2 that travels from the motor drive shaft 46 of the driving motors 39 of 25 pairs of hydraulic traveling speed changes of countershaft case parts 40.
In addition, under the state that automatic switch 284 is connected, when the switch 275 that runs up is in connection, will be used to insert the solenoid 295 that runs up of bypass clutch, be used for driving secondary speed change oil cylinder and making driving motors 39 low speed or the secondary speed change solenoid 296 of high speed output by the switching of secondary varying speed switch 279, be used for making the threshing clutch solenoid 297 of threshing clutch 97 connections by the connection of above-mentioned threshing switch 272, be used for hoist cylinder 11 being risen or the harvesting lifting solenoid 298 of down maneuver by connecting above-mentioned automatic lifting switch 280, being used for will discharging by connecting above-mentioned automatic position-sensing switch 281 the discharge motor 299 that auger conveyor 17 moves to grain drain position or this machine reception position is connected with job controller 282.
As mentioned above, be provided with the continuous productive process action of carrying out the paddy of reaping part 7 stalk is transported to threshing portion 4, as the continuous productive process pedal 277 of continuous productive process functional unit and to combine that the reaping part 7 of the tuning action of the speed of a motor vehicle drives with the rotating speed of the continuous productive process action different with tuning rotating speed on, the rotating speed of reaping part 7 speed of a motor vehicle tune drive input during according to operation continuous productive process pedal 277, continuous productive process gear 123 and high-speed cutting gear 156 that selection makes reaping part 7 carry out the continuous productive process action, and the rotating speed of the driving input of selection reaping part 7.And, utilize continuous productive process gear 123, the actuating speed of the reaping part 7 when the action of beginning continuous productive process can not produce big variation, and can carry out can not making the operator to produce the continuous productive process action that utilizes high-speed cutting gear 156 to carry out of sense of discomfort.
In addition, be provided with the harvesting input pickup 288 of the speed of a motor vehicle tune drive input speed that detects reaping part 7, when having operated continuous productive process pedal 277, when the tuning input speed of the speed of a motor vehicle of reaping part 7 during, continuous productive process solenoid 292 is connected and can be passed through continuous productive process gear 123 continuation continuous productive process rotary powers for (than continuous productive process rotating speed low constant rotation rotating speed below) below the continuous productive process rotating speed that carries out with continuous productive process gear 123.
On the other hand, when the rotating speed of reaping part 7 is when utilizing more than the continuous productive process rotating speed that continuous productive process gear 123 carries out (than continuous productive process rotating speed more than the rotating speed of high constant rotation), high-speed cutting solenoid 293 is connected also and can be continued the high speed rotating power by high-speed cutting gear 156, set the continuous productive process rotary power that utilizes continuous productive process gear 123 to carry out at low speed side, even so that with successfully make than in the past little speed difference continuous productive process gear 123 begin the action and under high speed harvesting state, also can make reaping part 7 actions with maximum speed, not have the sense of discomfort in the past that harvesting speed is decelerated by the continuous productive process action of being undertaken by high-speed cutting gear 156.
In addition, can select as the speed of a motor vehicle tuning with drive be passage tuning power shaft 112, be the continuous productive process gear 123 of passage with driving, be that any one of high-speed cutting gear 156 of passage drives reaping part 7 as the high-speed side constant speed rotation driving of the constant rotation usefulness of high-speed side as continuous productive process, and dual-purpose makes the rotation of reaping part 7 constant speed gather in the high-speed cutting gear 156 of operation, carry out the continuous productive process action with maximum speed, can realize gathering in the simplification that drives structure and improve the harvesting driveability.
On the other hand, input at the tuning power shaft 112 that drives reaping part 7 is to be provided with harvesting gear 151 in the passage, remain neutral and end transmission of power when gathering in gear 151, by above-mentioned each gear 123, any one of 156 and make reaping part 7 continuous productive processes actions, harvesting gear 151 is also used as harvesting clutch and access or disconnects the tuning driving force of the speed of a motor vehicle, when carrying out the continuous productive process action, can reduce the crawler belt 2 driving forces loss of travelling that the motor drive shaft 46 with driving motors 39 drives, drive the travel driving efficient of crawler belt 2 of the simplification of structure and raising to realize harvesting.
The following describes high-speed cutting control shown in the output curve diagram of the flow chart of Figure 28 and Figure 29, make reaping part 7 constant rotations with the high speed higher than speed of a motor vehicle tuned speed.When harvesting speed change when being high speed, in the tuning control of the speed of a motor vehicle and speed of a motor vehicle SV be speed of a motor vehicle a when above, carry out making the stable rotation control of high speeds of reaping part 7 stable rotations by the high speed higher than speed of a motor vehicle tuned speed.On the other hand, when speed of a motor vehicle SV is not speed of a motor vehicle a when above, carry out the tuning control of the speed of a motor vehicle.
On the other hand, when harvesting speed change when being high speed, under the situation in the tuning control of the speed of a motor vehicle not and when speed of a motor vehicle SV is lower than speed of a motor vehicle b, carry out the tuning control of the speed of a motor vehicle.On the other hand, when speed of a motor vehicle SV is not when being lower than speed of a motor vehicle b, make the high speed constant rotation control of reaping part 7 constant rotations by the high speed higher than speed of a motor vehicle tuned speed.
When harvesting speed change when being not high speed, be speed of a motor vehicle c when above under the situation in the tuning control of the speed of a motor vehicle and at speed of a motor vehicle SV, carry out making reaping part 7 carry out the stable rotation control of high speed of constant rotation by the high speed higher than speed of a motor vehicle tuned speed.On the other hand, when speed of a motor vehicle SV is not speed of a motor vehicle c when above, carry out the tuning control of the speed of a motor vehicle.
In addition, when the harvesting speed change is not high speed, not in the tuning control of the speed of a motor vehicle and when speed of a motor vehicle SV is lower than speed of a motor vehicle d, carry out the tuning control of the speed of a motor vehicle.On the other hand, when speed of a motor vehicle SV is not when being lower than speed of a motor vehicle d, make the high speed constant rotation control of reaping part 7 constant rotations by the high speed higher than speed of a motor vehicle tuned speed.
In addition, illustrate that with reference to the output curve diagram of the flow chart of Figure 30, Figure 31 the harvesting of putting down in writing according to technical scheme that makes reaping part 7 constant rotations controls fast.When carry out as the continuous productive process pedal 277 of the fast speed pedal of harvesting trample operation and when continuous productive process switch 278 connected, advance and gather in speed change and be high speed, when speed of a motor vehicle SV when speed of a motor vehicle a is above, be in the actuating speed of reaping part 7 carried out harvesting " height " control fast that constant rotation drives with speed of a motor vehicle tuned speed high-speed side or the high speed more than it.On the other hand, when speed of a motor vehicle SV does not have when speed of a motor vehicle a is above, be in the actuating speed of reaping part 7 is carried out harvesting " low " control fast that constant rotation drives with speed of a motor vehicle tuned speed low speed side or the low speed below it.
In addition, when advancing and gather in speed change when being not high speed, be speed of a motor vehicle b when above at speed of a motor vehicle SV, be in actuating speed, carry out harvesting " height " control fast that constant rotation drives with speed of a motor vehicle tuned speed high-speed side or the high speed more than it to reaping part 7.On the other hand,, not when speed of a motor vehicle b is above, is in the actuating speed of reaping part 7 is carried out harvesting " low " control fast that constant rotation drives with speed of a motor vehicle tuned speed low speed side or the low speed below it at speed of a motor vehicle SV.
In addition, not when advancing, be in the actuating speed of reaping part 7 is carried out harvesting " low " control fast that constant rotation drives with speed of a motor vehicle tuned speed low speed side or the low speed below it.
And, when not carrying out trampling operation and when continuous productive process switch 278 cuts out and harvesting speed change when being high speed, be in as the continuous productive process pedal 277 of the fast speed pedal of harvesting to the tuning control of the speed of a motor vehicle of the actuating speed of reaping part 7 with harvesting speed change " height ".On the other hand, when the harvesting speed change is low speed, is in the actuating speed of reaping part 7 is carried out to gather in the tuning control of the speed of a motor vehicle of speed change " low ".
As indicated in above-mentioned, owing to have: detect the speed of a motor vehicle vehicle speed sensor 285,286, switch to the continuous productive process pedal 277 of the switching mechanism of low speed stabilized speed or speed of a motor vehicle tuned speed or any one speed of high speed stabilized speed as actuating speed with above-mentioned reaping part 7, pull up the problem that operation makes the processed and threshing of the fringe head of hub bar etc. so can prevent to run at a low speed the Grains bar because of reaping part of harvesting operation.On the other hand, can prevent from the to run at high speed overload of harvest operation.Therefore, no matter running at a low speed the harvesting operation or running at high speed whenever gather in operation, can both utilize above-mentioned low speed constant speed or high speed constant speed to drive above-mentioned reaping part 7 suitably, improve the harvesting operability that runs at a low speed the harvesting operation, and the operating efficiency of the harvesting operation of running at high speed.
In addition, because above-mentioned low speed constant speed is set to, the above-mentioned speed of a motor vehicle in the tuning interval of the speed of a motor vehicle compares corresponding to the 7 actuating speed height of the above-mentioned reaping part when the actuating speed with above-mentioned reaping part 7 switches to the low-grade exchange point of low speed constant speed, so when utilizing when the speed of a motor vehicle tuned speed of speed of a motor vehicle tuning characteristic drives above-mentioned reaping part 7, the actuating speed of above-mentioned reaping part 7 can be lower than above-mentioned low speed constant speed, even the speed of a motor vehicle in the tuning interval of the speed of a motor vehicle is temporarily decelerated near the low-grade exchange point, also the actuating speed of above-mentioned reaping part can be remained in speed of a motor vehicle tuned speed, can prevent to pull up the processed and threshing of fringe head of operation Shi Grains bar Yin the Grains bar along speed of a motor vehicle tuning characteristic.
In addition, because above-mentioned high speed constant speed is set to, in the above-mentioned speed of a motor vehicle in the tuning interval of the speed of a motor vehicle than corresponding to above-mentioned reaping part 7 actuating speed height during exchange point of performing that switch to high speed constant speed in actuating speed with above-mentioned reaping part 7, so can make engine 21 outputs that affluence is arranged, and the actuating speed of above-mentioned reaping part 7 can be switched to above-mentioned high speed constant speed from the speed of a motor vehicle tuned speed along above-mentioned speed of a motor vehicle tuning characteristic.Using when the speed of a motor vehicle tuned speed of speed of a motor vehicle tuning characteristic drives above-mentioned reaping part 7, can successfully be transformed into the harvesting operation of running at high speed of using the above-mentioned reaping part 7 of above-mentioned high speed constant speed drive, and the operating efficiency of the harvesting operation of running at high speed.
In addition, above-mentioned switching mechanism 277 is when reversing, in case the above-mentioned switching mechanism 277 of handover operation then can carry out the actuating speed of above-mentioned reaping part 7 is switched to from the speed of a motor vehicle tuned speed control of low speed constant speed.In when reversing, because above-mentioned reaping part 7 is in halted state, thus even from the above-mentioned reaping part 7 of the state-driven that stops, also can begin the driving of above-mentioned reaping part 7 with the low speed constant speed, so the impact load can suppress to begin to drive above-mentioned reaping part 7 time.
In addition, with tuning with the speed of a motor vehicle and make the speed of a motor vehicle tune drive speed of maybe will gathering in of harvesting velocity variations roughly keep the continuous productive process actuating speed of certain constant speed to drive reaping part 7, on the other hand, the continuous productive process actuating speed of above-mentioned constant speed is switched at a high speed and the low speed two-stage, and with at a high speed and the continuous productive process actuating speed of the above-mentioned constant speed of low speed drive reaping part 7, so no matter be to run at a low speed the harvesting operation or running at high speed and whenever gather in operation, can both drive above-mentioned reaping part 7 suitably with above-mentioned low speed constant speed or high speed constant speed, the harvesting operating efficiency that runs at a low speed the harvesting operation can be improved, the harvesting operating efficiency of the harvesting operation of running at high speed can be improved again.
In addition, to switch to reaping part 7 speed of a motor vehicle tuned speeds of constant speed continuous productive process actuating speed of high-speed side from above-mentioned speed of a motor vehicle tune drive lower than the continuous productive process actuating speed of low speed side constant speed owing to can make, so region-wide at the speed of a motor vehicle tuned speed of reaping part 7, quicken the actuating speed of reaping part 7 by operator's handover operation, the operator can not have sense of discomfort ground running operation.
Below, with reference to the flowchart text harvesting operation control of Figure 32.When making threshing switch 272 be in connection by operation to operation bar 271, disconnect feeding chain solenoid 291 and insert feeding chain clutch 131, the driving of beginning feeding chain 5 also makes 297 actions of threshing clutch solenoid and connects threshing clutch 97, drives threshing portion 4 and feeding chain 5.
In addition, when connecting harvesting switch 273 by the operation of industry bar 271, main transformer speed driving force passes to reaping part 7 by the tuning belt pulley 93 of the speed of a motor vehicle.At this moment, connect continuous productive process switch 278 if carry out the trampling operation of continuous productive process pedal 277, be that the rotation setting that driven by continuous productive process gear 123 is when following then at harvesting input pickup 288 detected reaping part 7 speed of a motor vehicle tuning input speed, to gather in speed change slide block 155 and move to the neutral position, the harvesting speed change output of harvesting gear 151 is made as neutrality, close the transmission of the tuning power shaft 112 of the speed of a motor vehicle, and continuous productive process solenoid 292 is moved, by continuous productive process gear 123, to drive reaping part 7 than high-speed cutting gear 156 low low speed constant speeds.
On the other hand, when connecting continuous productive process switch 278, set when above for the rotation that drives by continuous productive process gear 123 at the tuning input speed of reaping part 7 speed of a motor vehicle, the harvesting speed change output of harvesting gear 151 is made as neutrality, close the transmission of the tuning power shaft 112 of the speed of a motor vehicle, and by high-speed cutting solenoid 293 action, by high-speed cutting gear 156, with the highest rotary constant speed drive reaping part 7 higher than continuous productive process gear 123.
And, when closing continuous productive process switch 278, if automatic lifting switch 280 is switched on, the harvesting speed change output that then will gather in gear 151 is made as neutrality, reaping part 7 to ground level for setting when following, make hoist cylinder 11 actions, automatically reaping part 7 is risen to setting height and disconnect feeding chain clutch 131.On the other hand, if reaping part 7 is more than the setting to ground level, then, automatically reaping part 7 is dropped to setting height and connect feeding chain clutch 131 by hoist cylinder 11 controls.
In addition, when closing automatic lifting switch 280, retreat switch 276 if connect, the harvesting speed change output that then will gather in gear 151 is made as neutrality, and closes above-mentioned each solenoid 292,293, makes and switches slide block 124 neutrality.
In addition, closing when retreating switch 276, when the axletree 55 that detects by vehicle speed sensor 285,286 stops, the speed of a motor vehicle tune drive that will harvesting gear 151 is made as neutrality and ends reaping part 7.On the other hand, when drive axle 55, and when the secondary speed change of variable speed driver 39 is output as low speed, if the tuning input of the speed of a motor vehicle of harvesting input pickup 288 detected reaping parts 7 rotates to be the rotation that is driven by high-speed cutting gear 156 and sets when above, make 293 actions of high-speed cutting solenoid, and make harvesting gear 151 for neutral, be used for by the high-speed cutting gear 156 high-speed cutting action of constant drive reaping part 7 at full throttle.
In addition, the input that is output as low speed and reaping part 7 in the secondary speed change of variable speed driver 39 rotates to be to be set following and during automatic switch 284 connections, if the switch 275 that runs up is connected in operation, then under the input of reaping part 7 rotates to be state more than setting, with above-mentioned same, by high-speed cutting gear 156 constant drive reaping part 7 rotations at full throttle, enter the high-speed cutting action.And make to run up solenoid 295 action and connect the bypass clutch,, the driving force of engine 21 is directly passed to secondary gear 47 from the bypass clutch, and the action that runs up not by the speed changing portion spare 40 that travels.
In addition, when the switch 275 that runs up cuts out,, the harvesting speed change of gathering in gear 151 is outputted to low speed or high speed by operation to harvesting varying speed switch 274.By one of each gear 152,153, use the tuning input of the speed of a motor vehicle with low speed or high-speed driving reaping part 7.With the upright paddy stalk of low speed harvesting, with the paddy stalk of harvesting lodging at a high speed.
As shown in figure 24, operate fast by the harvesting of carrying out the continuous productive process pedal 277 in the tuning harvesting operation with the common speed of a motor vehicle, by continuous productive process gear 123 or high-speed cutting gear 156 with low speed or when coming constant-speed drive reaping part 7 at a high speed, the operating speed in the time of making operating speed when switching to constant-speed drive at a high speed with this switching of releasing is different.By output from the low-speed gear 152 (or high gear 153) of above-mentioned harvesting gear 151, under harvesting speed change (high speed or low speed) state, when operation speed (rotating speed of tuning power shaft 112) is high speed more than speed of a motor vehicle a (or speed of a motor vehicle b), the driving of reaping part 7 is switched to high-speed cutting (with the high speed constant-speed drive).
In addition, removing harvesting fast during operation,, when operating speed being decelerated to speed of a motor vehicle c (or speed of a motor vehicle d), keeping high-speed cutting than the operating speed of the high-speed cutting releasing value of the little certain value of high-speed cutting of harvesting actuating speed.Operating speed when being in speed of a motor vehicle c (or speed of a motor vehicle d), returns to common speed change with the driving of reaping part 7.
Claims (6)
1. combine, any one speed that the actuating speed of reaping part can be switched to speed of a motor vehicle tuned speed or constant rotating speed drives reaping part; Wherein, described speed of a motor vehicle tuned speed, be with the speed of a motor vehicle tuning and along with the speed that increases to the speed of a motor vehicle tuning characteristic that direct ratio increases of the speed of a motor vehicle; Described constant rotating speed is by the speed that preestablishes speed regardless of the increase and decrease of the speed of a motor vehicle; It is characterized in that having:
Detect the speed of a motor vehicle vehicle speed sensor and
Switching mechanism, this switching mechanism can switch to the speed in the tuning interval of the driving speed of a motor vehicle of described reaping part any one speed of low speed constant speed or speed of a motor vehicle tuned speed or high speed constant speed.
2. combine according to claim 1, it is characterized in that: described low speed constant speed is set to, the described speed of a motor vehicle ratio high speed of pairing described reaping part actuating speed when the actuating speed with described reaping part switches to the low-grade exchange point of low speed constant speed in the tuning interval of the speed of a motor vehicle.
3. combine according to claim 1 and 2, it is characterized in that: described high speed constant speed is set to, in the described speed of a motor vehicle in the tuning interval of the speed of a motor vehicle than the high speed of pairing described reaping part actuating speed during exchange point that performs that switches to high speed constant speed in actuating speed with described reaping part.
4. according to any described combine in the claim 1～3, it is characterized in that: described switching mechanism, in when reversing, if the described switching mechanism of handover operation, then control and the actuating speed of described reaping part is switched to the low speed constant speed from speed of a motor vehicle tuned speed.
5. combine according to claim 1, it is characterized in that: use with the speed of a motor vehicle tuning and make the speed of a motor vehicle tune drive of harvesting velocity variations, maybe the speed of will gathering in roughly keeps the continuous productive process actuating speed of certain constant speed to drive reaping part, in addition, the continuous productive process actuating speed of described constant speed is divided into two-stage switches at a high speed and low speed, and drive reaping part with the continuous productive process actuating speed of the described constant speed of high speed and low speed.
6. combine according to claim 4 is characterized in that: can be set at the reaping part speed of a motor vehicle tuned speed that switches to the constant speed continuous productive process actuating speed of high-speed side from described speed of a motor vehicle tune drive lower than the continuous productive process actuating speed of low speed side constant speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP422359/2003 | 2003-12-19 | ||
| JP2003422359 | 2003-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1764369A true CN1764369A (en) | 2006-04-26 |
| CN100493330C CN100493330C (en) | 2009-06-03 |
Family
ID=34697326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800077718A Expired - Fee Related CN100493330C (en) | 2003-12-19 | 2004-12-17 | Combine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4341971B2 (en) |
| KR (1) | KR101114885B1 (en) |
| CN (1) | CN100493330C (en) |
| WO (1) | WO2005058010A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889494A (en) * | 2010-05-25 | 2010-11-24 | 莱恩农业装备有限公司 | New head-feed combine harvester |
| CN102077729A (en) * | 2009-11-30 | 2011-06-01 | 井关农机株式会社 | Combine harvester |
| CN109315130A (en) * | 2018-08-20 | 2019-02-12 | 江苏大学 | A kind of hydraulic drive track combine load monitoring and ambulation control method |
| CN110915404A (en) * | 2019-11-27 | 2020-03-27 | 江苏沃得植保机械有限公司 | Mower and control system thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618681B (en) * | 2009-04-28 | 2012-08-29 | 南京英达公路养护车制造有限公司 | Vehicle stepless speed-change low-speed driving device |
| KR102639473B1 (en) * | 2015-09-01 | 2024-02-23 | 가부시끼 가이샤 구보다 | Combine and crawler traveling device of working machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531877Y2 (en) * | 1986-12-30 | 1993-08-17 | ||
| JP2813642B2 (en) * | 1992-07-14 | 1998-10-22 | 株式会社クボタ | Combine transmission structure |
| JP2721104B2 (en) * | 1993-01-29 | 1998-03-04 | 株式会社クボタ | Drive structure of combine |
| JP3863440B2 (en) * | 2002-02-12 | 2006-12-27 | ヤンマー農機株式会社 | Combine |
| JP2003265022A (en) * | 2002-03-13 | 2003-09-24 | Mitsubishi Agricult Mach Co Ltd | Combine harvester |
-
2004
- 2004-12-17 WO PCT/JP2004/018875 patent/WO2005058010A1/en active Application Filing
- 2004-12-17 JP JP2005516350A patent/JP4341971B2/en not_active Expired - Fee Related
- 2004-12-17 CN CNB2004800077718A patent/CN100493330C/en not_active Expired - Fee Related
- 2004-12-17 KR KR1020057010754A patent/KR101114885B1/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077729A (en) * | 2009-11-30 | 2011-06-01 | 井关农机株式会社 | Combine harvester |
| CN101889494A (en) * | 2010-05-25 | 2010-11-24 | 莱恩农业装备有限公司 | New head-feed combine harvester |
| CN109315130A (en) * | 2018-08-20 | 2019-02-12 | 江苏大学 | A kind of hydraulic drive track combine load monitoring and ambulation control method |
| CN110915404A (en) * | 2019-11-27 | 2020-03-27 | 江苏沃得植保机械有限公司 | Mower and control system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005058010A1 (en) | 2005-06-30 |
| JPWO2005058010A1 (en) | 2007-07-12 |
| JP4341971B2 (en) | 2009-10-14 |
| CN100493330C (en) | 2009-06-03 |
| KR20060110732A (en) | 2006-10-25 |
| KR101114885B1 (en) | 2012-03-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20090603 Termination date: 20171217 |