CN201685896U - Crawler-type running device of combined harvester - Google Patents

Crawler-type running device of combined harvester Download PDF

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Publication number
CN201685896U
CN201685896U CN2010201831207U CN201020183120U CN201685896U CN 201685896 U CN201685896 U CN 201685896U CN 2010201831207 U CN2010201831207 U CN 2010201831207U CN 201020183120 U CN201020183120 U CN 201020183120U CN 201685896 U CN201685896 U CN 201685896U
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China
Prior art keywords
runner
crawler belt
running device
crawler
type running
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CN2010201831207U
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Chinese (zh)
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田中如一
松本健太
西田和彦
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Kubota Corp
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Kubota Corp
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Abstract

The utility model provides a crawler-type running device of a combined harvester, which can not complicate structures or increase cost caused by increase of wheels and the like by means of reasonably arranging the wheels with the specific amount on the crawler-type running device, and can bear load of a harvesting conveying portion by aid of fine stability of the front side of the crawler-type running device while effectively preventing a crawler from being separated from the wheels. A first wheel (26), a second wheel (27), a third wheel (28) and a fourth wheel (29) are sequentially linearly arranged from the front side to the rear side of a machine body, and the relationship of front and rear pitches of the wheels (26-29) includes that the front and rear pitch (P1) between the first wheel (26) and the second wheel (27) is larger than the front and rear pitch (P3) between the third wheel (28) and the fourth wheel (29), and the front and rear pitch (P2) between the second wheel (27) and the third wheel (28) is larger than the front and rear pitch (P1) between the first wheel (26) and the second wheel (27).

Description

The crawler type running device of combination machine
Technical field
The utility model relates to a kind of crawler type running device of combination machine, between the driving wheel and loose wheel that disposes being separated by predetermined distance on the fore-and-aft direction of body, disposes a plurality of runners.
Background technology
The crawler type running device of combination machine has following structure, promptly, except that the fore-and-aft cearance D2 of the below that is positioned at body center of gravity W, the fore-and-aft cearance D1 of a plurality of runners 8, D2 is set to equidistantly, the fore-and-aft cearance D2 that is positioned at the below of body center of gravity W is set to greater than other fore-and-aft cearance D1 (reference example such as patent documentation 1, symbol are the symbol of being put down in writing in the patent documentation 1).
Patent documentation 1: TOHKEMY 2000-95153 communique
The utility model content
In recent years, in the baby combine that carries out two row or triplex row harvesting, by it being constituted so-called comprehensive harvesting mode, promptly, for example whole zone of body fwd or roughly whole zone are set at the harvesting zone, thereby no matter where from the field piece, can carry out the harvesting operation of crop and can not overwhelm standing crop, can realize high efficiency harvesting operation.
In the combination machine of so comprehensive harvesting mode, in order to prevent to overwhelm standing crop, the configuration of distributing box (divider) for example is set to: it is consistent or roughly consistent with the left-external side end of the crawler type running device in left side on the left and right directions of body to be positioned at the branch standing grain initiating terminal of distributing box of left part that harvesting transports portion, and is positioned at the branch standing grain initiating terminal of distributing box of right part that harvesting transports portion or roughly unanimity consistent with the right external side end of the crawler type running device on right side on the left and right directions of body.
In addition, in order to realize the configuration settings of such distributing box, so that distributing box that the front portion possessed or raising apparatus that portion is transported in harvesting are compared the mode that further is positioned at the body front side with taking Drive Section, make harvesting transport portion and extend much to the place ahead of body from the leading section of body.
That is to say, in baby combine in recent years,, become big trend thereby exist because the harvesting portion of transporting maximizes and extend the weight that makes the toe lateral that puts on crawler type running device to the place ahead of body more in order to realize gathering in efficiently operation.
In such baby combine, if as described in above-mentioned patent documentation 1, the fore-and-aft cearance of the runner below being positioned at the body center of gravity, the fore-and-aft cearance of a plurality of runners in the crawler type running device is set at equidistantly, then be set under the less situation at fore-and-aft cearance with runner, because being positioned at the fore-and-aft cearance of the runner of body front side also diminishes, therefore, just can not bear the weight that portion is transported in the harvesting that increases in order to realize gathering in operation efficiently with good stable in the toe lateral of crawler type running device if do not make improvement such as the quantity of the runner of the toe lateral that is provided to crawler type running device increases.On the contrary, be set under the bigger situation at the fore-and-aft cearance with runner, become big because the fore-and-aft cearance of runner is whole, the scope that the guiding function of runner on the crawler belt can't be involved becomes big, is difficult to therefore prevent effectively that crawler belt breaks away from the situation of runner.
The purpose of this utility model is, by reasonably disposing the runner of the defined amount that is assemblied in crawler type running device, in the situation that suppresses crawler belt disengaging runner effectively, the toe lateral that can utilize crawler type running device is born harvesting with good stable and is transported the weight of portion, and can not cause the raising of the complicated and cost of the structure that the increase owing to runner causes.
To achieve these goals, first aspect of the present utility model is characterised in that, with first runner, second runner, the 3rd runner, the 4th runner successively from the front side of body to rear side linearity alignment arrangements, the fore-and-aft cearance of these runners is set at: the fore-and-aft cearance of described first runner and described second runner is greater than the fore-and-aft cearance of described the 3rd runner and described the 4th runner, and the fore-and-aft cearance of described second runner and described the 3rd runner is greater than the fore-and-aft cearance of described first runner and described second runner.
Utilize such feature structure, be positioned at second runner of front and back center side of crawler type running device and the fore-and-aft cearance maximum of the 3rd runner.Thus, can guarantee the bigger crawler belt deflection (Scratch body generation) between second runner and the 3rd runner, thereby can improve the absorptivity to bulge in the front and back of crawler type running device central authorities.Its result, be at crawler type running device the body height can be controlled to be under the state that reaches on the bulge lower, thereby when crossing bulges such as field, can body be travelled making under the extremely low stabilized conditions of body center of gravity when crawler type running device.
In addition, the fore-and-aft cearance that is positioned at first runner of toe lateral of crawler type running device and second runner is only second to the fore-and-aft cearance of second runner and the 3rd runner.Thus, can utilize bigger span between first runner of crawler type running device middle front part side and second runner and bear leading section at body with having good stability and be provided as the weight that portion is transported in the harvesting of extending to the place ahead of body.Its result, thereby, also can body be travelled utilizing bigger span to bear under the stabilized conditions of weight that this harvesting transports portion even the harvesting portion of transporting is maximized and to extend and the weight that makes the harvesting that puts on the crawler type running device toe lateral transport portion becomes under the big situation to body the place ahead more to enlarge working width that harvesting transports portion in order seeking to gather in operation efficiently.
In addition, be positioned at the 3rd runner of rear portion side of crawler type running device and the fore-and-aft cearance minimum of the 4th runner.Thus, the 3rd runner and the 4th runner become big to the guiding function of crawler belt, can prevent that the scope that the guiding function of runner on the crawler belt can't involve from becoming big situation for no reason, can suppress crawler belt with respect to the displacement of direction to the left and right of each runner.Its result can prevent effectively that crawler belt breaks away from the situation of each runner.
Therefore, by reasonably disposing four runners that are assemblied in crawler type running device, when preventing that effectively crawler belt breaks away from the situation of runner, can also utilize the toe lateral of crawler type running device to bear the weight that portion is transported in harvesting with good stable, the performance etc. that can improve the harvesting efficiency of operation and cross field, and can not cause the rising of complicated and cost of the structure that increase caused of runner.
Second aspect of the present utility model is characterised in that, in the described utility model of first aspect, have and prevent the first crawler belt guide that crawler belt comes off with respect to described first runner and described second runner and prevent the second crawler belt guide that crawler belt comes off with respect to described the 3rd runner and described the 4th runner;
The described first crawler belt guide is formed respectively with the described second crawler belt guide: on the front and back position identical with cooresponding two runners, thereby has front and back first guide part that guides described crawler belt with the lower end part of these runners in identical or roughly the same height, and on the position between cooresponding two runners, thereby the top with the bottom that is positioned at these runners guides second guide part of described crawler belt.
Utilize these feature structures, then can utilize the first crawler belt guide to suppress crawler belt effectively with respect to first runner and the displacement of direction to the left and right of second runner, such displacement occurs in the toe lateral of crawler type running device easily, is to be difficult to involve crawler belt and to cause owing to the fore-and-aft cearance of first runner and second runner becomes the guiding function that makes the win runner and second runner greatly.
In addition, utilize the second crawler belt guide, can suppress effectively to occur in the crawler type running device rear portion side, crawler belt is with respect to the 3rd runner and the displacement of direction to the left and right of the 4th runner.
Yet, if the Zone Full of guide part on the first crawler belt guide and the second crawler belt guide is formed first guide part, then can cause to be subjected on the crawler belt of guiding function of first runner and second runner crawler belt part between first runner and second runner always and the targeting part moving contact between first runner and second runner on the first crawler belt guide, and can not be subjected on the crawler belt of guiding function of the 3rd runner and the 4th runner the crawler belt between the 3rd runner and the 4th runner partly always and the targeting part moving contact between the 3rd runner and the 4th runner on the second crawler belt guide.
For this reason, existence is easy to generate swiping sound and wearing and tearing takes place easily and may cause the durability of crawler type running device to reduce between crawler belt and the first crawler belt guide and the second crawler belt guide when travelling.
To this, utilize the described feature structure of second aspect of the present utility model, owing on the first crawler belt guide and the second crawler belt guide, formed first guide part and second guide part, make on crawler belt, the crawler belt relative with first guide part partly is subjected to the guiding function of any one runner in first~the 4th runner, thereby is difficult to and the first guide part moving contact.In addition, because the crawler belt relative with second guide part partly is positioned at the top with the bottom of cooresponding two runners of second guide part, thereby be difficult to and the second guide part moving contact.
That is to say, thereby make the first crawler belt guide and the second crawler belt guide more effectively suppress coming off of crawler belt near the lower end of runner as far as possible, simultaneously, the situation that forms first guide part with Zone Full with guide part on the first crawler belt guide and the second crawler belt guide is compared, and can effectively suppress the moving contact of crawler belt with respect to the first crawler belt guide and the second crawler belt guide.
Therefore, thereby use the first crawler belt guide and the second crawler belt guide more effectively to suppress coming off of crawler belt, simultaneously, the reduction of the durability of the generation of the swiping sound that moving contact caused of the crawler belt and the first crawler belt guide and the second crawler belt guide and crawler type running device in the time of can suppressing to travel.
The third aspect of the present utility model is characterised in that, in the utility model of second aspect, the described second crawler belt guide extends to the loose wheel that is positioned at described the 4th runner dead aft, on its extension, thereby is formed with the rising portions that stands vertically close described loose wheel towards described loose wheel.
Utilize this feature structure, utilize the extension of the second crawler belt guide, can prevent from when retreating, might to take place, crawler belt enters into the situation between the second crawler belt guide and the loose wheel.In addition, by on its extension, forming rising portions, even, also can prevent to be embedded in the situation that core gold (core gold) in the crawler belt tangles the elongated end (rear end) of the second crawler belt guide in advance just in case crawler belt enters under the situation between the second crawler belt guide and the loose wheel.
Therefore, can prevent coming off of the bending of the crawler belt that may cause or core gold etc. because the core gold of crawler belt tangles the elongated end of the second crawler belt guide.
Fourth aspect of the present utility model is characterised in that, in the utility model of the third aspect, described rising portions is formed more towards the narrow more shape of its width on the body left and right directions of described loose wheel.
For example, if form the rear end of rising portions plane, thereby then going up protrusion more in the part of the crawler belt between the second crawler belt guide and the loose wheel on the crawler belt enters between the second crawler belt guide and the loose wheel, the core gold that is embedded in crawler belt embeds under the rising portions and the situation between the loose wheel of the second crawler belt guide, owing to the core gold of this embedding is difficult to move at the rising portions and the attitude stabilization between the loose wheel of the second crawler belt guide, so the core gold of crawler belt is snapped into, and the rising portions and the danger between the loose wheel of the second crawler belt guide become big.
To this, utilize the described feature structure of fourth aspect of the present utility model, because rising portions shape is more towards the narrow more shape of its width on the body left and right directions of described loose wheel, even the core gold of crawler belt is embedded between the rising portions and loose wheel of the second crawler belt guide, because the core gold of this embedding is difficult to stable between the rising portions of the second crawler belt guide and loose wheel and moves easily, therefore be difficult to be snapped between the rising portions and loose wheel of the second crawler belt guide into.
Therefore, the core gold that can prevent crawler belt effectively is snapped the into rising portions of the second crawler belt guide and the danger between the loose wheel.
The 5th aspect of the present utility model is characterised in that, in the utility model of the third aspect, described rising portions can also be formed the curved shape that end thereafter bloats agley to the body rear.
The 6th aspect of the present utility model is characterised in that in the utility model of second aspect, described first crawler belt guide and the described second crawler belt guide form the shape that two ends upwarp respectively.
The 7th aspect of the present utility model is characterised in that, in the described utility model of either side aspect above-mentioned first~the 6th, the driving wheel that will be positioned at the dead ahead of described first runner be configured in make its center of turn and described first runner center of turn between the upper and lower on height and position greater than the distance between the upper and lower of the center of turn of the ground plane of described crawler belt and described first runner.
Utilize this feature structure, then can make change speed gear box, thereby when the operation of dark field, can avoid the ground-surface situation of bottom contact field piece of change speed gear box with respect to highly change is big on the ground of starting shaft with output shaft.
Therefore, can improve in Tanaka's operation deeply.
Eight aspect of the present utility model is characterised in that in the utility model aspect the above-mentioned the 7th, the fore-and-aft cearance of described the 4th runner and described loose wheel is less than the fore-and-aft cearance of described first runner and described second runner.
According to this feature structure, can prevent that the excessive verticity that causes of ground contact length from descending.
The 9th aspect of the present utility model is characterised in that, in the utility model of above-mentioned first aspect, described crawler type running device is configured in the left and right sides of combination machine, the position consistency of left part of the crawler type running device in the position at branch standing grain top of left part of portion and left side is transported in the harvesting that is configured in combination machine the place ahead, and it is roughly consistent with the position of the right part of the crawler type running device on right side that the position at branch standing grain top of right part of portion is transported in described harvesting.According to this feature structure, can prevent that the left and right sides crawler type running device from rolling standing crops or spatter mud on standing crops, and can constitute the machinery of easy operating.
The tenth aspect of the present utility model is characterised in that, in the utility model of the above-mentioned third aspect, between described first runner and described second runner, and the bearer frame that between described the 4th runner and described loose wheel, disposes the main frame of the described crawler type running device of supporting respectively.
If between bearer frame, be detained mud is arranged, then become load, can cause rideability to descend.According to the present invention, by being provided with the space between the bearer frame broad, in wet field operation, can reduce the delay of mud, improve the wet field transaction capabilities of machinery.
The of the present utility model the tenth is characterised in that on the one hand, in the utility model aspect the above-mentioned the 9th, described the 3rd runner and with it the core gold of corresponding crawler belt be configured on the left and right directions of crawler belt position than the line of centers deflection car body outside of crawler belt.
According to the present invention, be provided with largo by left and right end portions runner, can avoid toppling in the place that tilts.In addition, to make the ground contact area that to guarantee crawler belt under the situation of narrow width of crawler belt in order gather in comprehensively, to reduce ground pressure, therefore can reduce the degree of depth that sinks in the field.
Description of drawings
Fig. 1 is the unitary side view of combination machine.
Fig. 2 is the whole birds-eye view of combination machine.
Fig. 3 is the lateral plan of crawler type running device.
Fig. 4 is the IV-IV section drawing among Fig. 3.
Fig. 5 is the V-V section drawing among Fig. 3.
Fig. 6 is the lateral plan of the first crawler belt guide.
Fig. 7 is the VII-VII section drawing among Fig. 6.
Fig. 8 is the lateral plan of the second crawler belt guide.
Fig. 9 is the IX-IX section drawing among Fig. 8.
Figure 10 crosses the lateral plan of the crawler type running device under the field motoring condition.
Description of reference numerals
24: driving wheel
25: loose wheel
26: the first runners
26B: bottom
27: the second runners
27B: bottom
28: the three runners
28B: bottom
29: the four runners
29B: bottom
30: crawler belt
30C: ground plane
42: the first crawler belt guides
42B: first guide part
42C: second guide part
43: the second crawler belt guides
43C: first guide part
43D: second guide part
43E: extension
43F: rising portions
P1: the fore-and-aft cearance of first runner and second runner
P2: the fore-and-aft cearance of second runner and the 3rd runner
P3: the fore-and-aft cearance of the 3rd runner and the 4th runner
P5: the distance between the upper and lower of the center of turn of the center of turn of driving wheel and first runner
P6: the distance between the upper and lower of the center of turn of the ground plane of crawler belt and first runner
The specific embodiment
Below, based on description of drawings embodiment of the present utility model.The related in this manual direction that all around waits is a benchmark with the working direction of car body all.
As Fig. 1 and shown in Figure 2, the combination machine of present embodiment is formed with on the anterior right side of running vehicle body 1 takes Drive Section 2.In the anterior left side of fortune driving body 1, can lifting joltily be linked with the straw of crops such as harvesting paddy rice, wheat when travelling operation and portion 3 is transported in the harvesting of transporting.Be equipped with sheller unit 4 in the left side of running vehicle body 1, be used to accept to gather in the harvested straw that the portion of transporting 3 transports, this harvested straw is implemented threshing handle, implement sorting process handle resulting handled thing through this threshing.At the rear portion of sheller unit 4, be connected with stalk (row ワ ラ) processing equipment 5, be used for the straw after the threshing processing, be that stalk is discharged outside the car.Right side, rear portion at running vehicle body 1 is equipped with bagging apparatus 7, is used for storing pumping screw rod (Yang send ス Network リ ュ one) 6 the single grain that transport from sheller unit 4, and the single grain bagging that will store.
Running vehicle body 1 is constituted as: via the driving transmission agent (not shown) that is equipped with in hydrostatic formula continuously variable unit (not shown) that is equipped with change speed gear box (hereinafter to be referred as the T/M case) 9 one or the T/M case 9 etc., be transferred to the pair of right and left crawler type running device 10 of the bottom that is provided in vehicle body frame 8 from the power that is carried the driving engine (not shown) on vehicle body frame 8.
Transport in the portion 3 in harvesting, on the harvesting framework 11 in the anterior left side that can lifting joltily be bound up on vehicle body frame 8, possess three branch standing grain parts 12, pair of right and left raising apparatus 13, haircut pushes away type (バ リ カ Application type) shutoff device 14, pair of right and left takes off conveyer 15 and delivering device 16 etc.Three branch standing grain parts 12 are separated the interval of regulation and dispose on left and right directions, any divides the standing grain parts cooresponding raising apparatus 13 by the configuration and the left and right sides between two adjacent in these minutes standing grain parts 12 branch standing grain parts, and the front portion of conveyer 3 forms pair of right and left and props up framework 17 before harvesting.
Three branch standing grain parts 12 are configured to separate on left and right directions at left part, right part and left and right sides pars intermedia that portion 3 is transported in harvesting the interval of regulation, can import two row crop straws with maximum between two adjacent branch standing grain portions 12, when work is travelled, be accompanied by travelling of body, will distribute to as the straw of maximum four lines crops of gathering in the crops object and respectively prop up framework 17.Each raising apparatus 13 of the left and right sides is constituted as can prop up the straw that is imported into cooresponding minute maximum two row crops between the standing grain portion 12.Shutoff device 14 be constituted as can cut off by about raising apparatus 13 prop up maximum four lines crop straws of coming.About take off conveyer 15 and be constituted as the left and right sides central portion that maximum four lines crop straws are transported portion 3 to harvesting and take off to hold together to transport.Delivering device 16 be constituted as from about take off conveyer 15 and accept harvested crop straw, on one side the upright posture of these straws when being received changed into the one side of falling the attitude, the right side that is used for threshing transport to sheller unit 4.
That is to say that harvesting is transported portion 3 and is constituted as and can utilizes pair of right and left to prop up the two hurdle four lines harvesting modes that framework 17 carries out maximum four lines crop harvestings.Thus, thereby have the harvesting portion of transporting of three general hurdle four lines harvesting modes that four branch standing grain portions and three raising apparatus carry out the crop harvesting of maximum four lines and compare with being constituted as, when being constituted as working width with same widths, the simplification of all right implementation structure and the reduction of cost.
As shown in Figure 2, being positioned at the branch standing grain portion 12 of gathering in the left part of transporting portion 3 is constituted as: on the left and right directions of body, and the position consistency of the left part of the position at the branch standing grain top of the distributing box that its leading section had (デ バ イ ダ) 18 and the crawler type running device 10 in left side.Be constituted as and be positioned at the branch standing grain portion 12 of gathering in the right part of transporting portion 3: on the left and right directions of body, the position at the branch standing grain top of the distributing box 18 that its leading section had to be being partial to the state of body inboard a little than the position of the right part of the crawler type running device 10 on right side, roughly consistent with the position of the right part of the crawler type running device 10 on right side.
That is to say, about crawler type running device 10 on left and right directions, be separated by regulation the interval and dispose, make that the distance between the end of its body lateral outer side can be gathered in the working width that portion 3 is transported in the harvesting of transporting maximum four lines straws greater than being constituted as.Thus, distance becomes big between the rut of the crawler type running device 10 about can making, and can not cause the reduction that becomes the verticity that causes greatly owing to the ground contact length of each crawler type running device 10, can improve the performance in moist field.
In addition, for the crawler type running device 10 in left side, the position by making its left part is consistent with the branch standing grain top of the distributing box 18 in left side on left and right directions, makes the branch standing grain top in left side can not expose from the body left side.Thus, the left-external side that carries out running vehicle body 1 have circuitous when harvesting of standing crops or carry out running vehicle body 1 about two outsides when existing the operations such as middle branch (in cut り) harvesting of standing crops to travel, the crawler type running device 10 that can prevent the left side rolls near be positioned at its left-external side standing crop or near the standing crop of crawler type running device 10 this is positioned at its left-external side in left side spattered mud unfavorable conditions such as (mud are posted せ), thereby can avoid this to roll or spatter the low of operating efficiency that mud causes.
On the other hand, crawler type running device 10 for the right side, position by making its right part is roughly consistent with the branch standing grain top of the distributing box 18 on right side on left and right directions, carry out running vehicle body 1 about two outsides when existing the operations such as middle branch harvesting of standing crops to travel, as long as the branch standing grain top of the distributing box 18 on right side is set between crop by the rightmost side in the working width that transports portion 3 in harvesting and the crop outside the working width adjacent with this crop, near crop one side in the working width, the crawler type running device 10 that just can prevent the right side rolls near the unfavorable conditions such as standing crop its right outside, thereby can avoid this to roll the low of the operating efficiency that caused.
In other words, when operations such as circuitous harvesting or middle branch harvesting are travelled, can form the comprehensive harvesting mode that rolls or spatter mud that the crawler type running device 10 about can preventing causes to standing crops to standing crops.
In addition, also can constitute: on the left and right directions of body being positioned at the branch standing grain portion 12 of gathering in the right part of transporting portion 3, the position consistency of the right part of the position at the branch standing grain top of the distributing box 18 that its leading section had and the crawler type running device 10 on right side, in addition, also can be constituted as: be partial to a little under the state in the body outside in position than the right part of the crawler type running device 10 on right side, roughly consistent with the position of the right part of the crawler type running device 10 on right side.And also can constitute being positioned at the branch standing grain portion 12 of gathering in the left part of transporting portion 3: on the left and right directions of body, be partial to a little than the position of the left part of the crawler type running device 10 in left side in the position at the branch standing grain top of the distributing box 18 that its leading section had under the state in the body outside, roughly consistent with the position of the left part of the crawler type running device 10 in left side.In addition, crawler type running device 10 on the left of can preventing rolls near the standing crop the body left-external side and can suppress in standing crops is spattered the scope of mud, also can constitute: be partial to a little under the state of body inboard in position than the left part of the crawler type running device 10 in left side, roughly consistent with the position of the left part of the crawler type running device 10 in left side.
As Fig. 1 and shown in Figure 2, on the basis that is configured aforesaid comprehensive harvesting mode, more be positioned at the mode of body front side with its three distributing boxs 18 and pair of right and left raising apparatus 13 than taking Drive Section 2, make harvesting transport portion 3 and extend much to the place ahead of body from the leading section of running vehicle body 1.
As shown in Figure 1, harvesting pretreating device 3 carries out vacillating and lifting by the action of the lifting hydraulic cylinder 19 crossing over vehicle body frame 8 and harvesting framework 11 and set up.Lifting hydraulic cylinder 30 can adopt single action type hydraulic actuating cylinder.
Taking the shifter bar 20 that disposes the dynamic formula that rocks back and forth on the Drive Section 2 or the control lever 21 of cross oscillating type.Though the diagram of omission, shifter bar 20 is linked in hydrostatic formula continuously variable unit by coupling mechanism, makes hydrostatic formula continuously variable unit action to shake operation based on it.Shifter bar 21 is linked in lift cylinder 19 by lifting with hydraulic control system, with based on its forwards, backwards direction shaking the operation and control lift cylinder 19 action; In addition, by turning to the fluid control control system and with about side power-transfer clutch and side brake connect, with based on its to the left and right direction shake operation, in right and left side clutch that makes in driving transmission agent to be had and the side brake with the side power-transfer clutch of the corresponding side of operating area about it and the action Be Controlled of side brake.
Thus, by shake the operation shifter bar 20, can with about crawler type running device 10 at halted state, advancing drive state, retreat and carry out stepless switching between the driving condition.In addition, can be respectively infinitely change in advancing drive state, the actuating speed that retreats under the driving condition left and right sides crawler type running device 10.So, at the advancing drive state or retreat under the driving condition, by on left and right directions, shaking manipulation bar 21, motoring condition can be switched to craspedodrome state that constant speed drives left and right sides crawler type running device 10, by the action of side power-transfer clutch make the differential circuitous slowly state of left and right sides crawler type running device 10, make by the action of side power-transfer clutch about a side's (circuitous inboard) the urgency of the crawler type running device 10 brakings state that makes a circulation.
Shown in Fig. 1 and Fig. 3~5, about each crawler type running device 10 constitute the bogie frame 23 that front and back support frame 22 that vehicle body frame 8 possessed is supported as crawler type running device 10 main frames.Leading section in bogie frame 23 is equipped with driving wheel 24, the loose wheel 25 of carousel-type in the rearward end of bogie frame 23 is equipped with.First runner 26, second runner 27, the 3rd runner 28, the 4th runner 29 of the outer carousel-type that linearity arranges be equipped with between the driving wheel 24 and loose wheel 25 of bogie frame 23, to rear side, successively from the front side of body.And, cross over driving wheel 24 and loose wheel 25 crawler belt 30 of reeling, thereby each runner 26~29 of driving wheel 24 and loose wheel 25 and first~4th centered on.
For bogie frame 23, on the leading section of the main frame 31 that the rectangular tube by fore-and-aft direction forms, be equipped with the output shaft support 33 that support is extended to the left and right from the bottom of T/M case 9.In the rearward end of main frame 31, be embedded with can be on fore-and-aft direction slide relative be used to support auxilliary framework 34 loose wheel, that form by rectangular tube.Cross over main frame 31 and auxilliary framework 34, set up the regulating mechanism 35 of screw conveying type, make and to utilize auxilliary framework 34 to carry out the position adjustments of loose wheel 25 with respect to the advance and retreat operation of main frame 31.In the rearward end of auxilliary framework 34, be equipped with loose wheel 25 be supported for relatively turnable about towards anchor shaft 36.In the bottom of main frame 31, be equipped with pairing first~the 4th runner 26~29 be supported for can be in relative rotation about towards first~the 4th anchor shaft 37~40.
Starting shaft 24 is linked in the elongated end of output shaft 32 in the mode with cooresponding output shaft 32 unitary rotation.So, following this rotation, a plurality of tooth 24A of portion that are equipped with on its periphery snap among the left and right sides pars intermedia that is formed on crawler belt 30 and a plurality of through hole 30A separated by a certain interval in a circumferential direction, thus, make crawler belt 30 rotate on its circumferencial direction.
Crawler belt 30 is a rubber system, on its outer peripheral face, be formed with a plurality of jut 30B separated by a certain interval in a circumferential direction, left and right sides pars intermedia between each jut of its circumferencial direction forms phase above-mentioned a plurality of through hole 30A across a certain distance in a circumferential direction.In addition, in the formation position of each jut 30B, separated by a certain interval in a circumferential direction and be embedded with between each through hole 30A and have a plurality of core gold 41 of pair of right and left core gold projection 41A.
Driving wheel 24 and loose wheel 25 are constituted as between the left and right sides of each core gold 41 core gold projection 41A and crawler belt 30 are had an effect.In addition, first~the 4th each runner 26~29 is constituted as the state that the pair of right and left large-diameter portion 26A~29A that is possessed with it strides across the left and right sides core gold projection 41A that each core gold 41 had and acts on crawler belt 30.
As Fig. 1, Fig. 3, Fig. 4 and shown in Figure 10, about each crawler type running device 10 in, the front and back of each runner 26~29 of first~the 4th are set to the fore-and-aft cearance P3 of the fore-and-aft cearance P1 of first runner 26 and second runner 27 greater than the 3rd runner 28 and the 4th runner 29 at interval, and the fore-and-aft cearance P2 of second runner 27 and the 3rd runner 28 is greater than the fore-and-aft cearance P1 of first runner 26 and second runner 27.
Promptly, about crawler type running device 10 in, second runner 27 of center side and the fore-and-aft cearance P2 maximum of the 3rd runner 28 before and after being positioned at.Thus, bigger crawler belt 30 deflections between second runner 27 and the 3rd runner 28 can be guaranteed, thereby the absorptivity to bulge can be improved in the front and back of crawler type running device 10 central authorities.Its result, under crawler type running device 10 reaches state on the bulge, the body height can be controlled to be lower, thereby when crossing bulges such as field, can body be travelled making under the extremely low stabilized conditions of body center of gravity when crawler type running device 10.
In addition, the fore-and-aft cearance P1 of first runner 26 of the toe lateral of the crawler type running device 10 about being positioned at and second runner 27 is only second to the fore-and-aft cearance P2 of second runner 27 and the 3rd runner 28.Thus, even significantly extend and the weight that makes the harvesting of toe lateral of the crawler type running device 10 about putting on transport portion 3 becomes under the big situation to the place ahead of body from the leading section of running vehicle body 1 for the two hurdle four lines harvesting modes that form aforesaid operation amplitude broad the harvesting portion of transporting being maximized and make harvesting transport portion in order to form aforesaid comprehensive harvesting mode, first runner 26 of the crawler type running device 10 middle front part sides about also can utilizing and the bigger span between second runner 27 are born this weight with having good stability.Its result, not only can realize gathering in the high efficiency of operation, even under the weight that makes the harvesting of crawler type running device 10 toe lateral about putting on transport portion 3 becomes big situation for this reason, also can body be travelled having born with bigger span under the stabilized conditions of weight that this harvesting transports portion 3.
In addition, the 3rd runner 28 of the rear portion side of the crawler type running device 10 about being positioned at and the fore-and-aft cearance P3 minimum of the 4th runner 29.Thus, it is big that the guiding function of the 3rd runner 28 and 29 pairs of crawler belts 30 of the 4th runner becomes, can prevent that the scope that the guiding function of each runner 26~29 on the crawler belt 30 can't involve from becoming big situation for no reason, can suppress crawler belt 30 with respect to the displacement of direction to the left and right of each runner 26~29.Its result can prevent effectively that crawler belt breaks away from the situation of each runner 26~29.
Therefore, four runners 26~29 by the crawler type running device 10 about reasonably configuration is assemblied in, can prevent effectively that crawler belt 30 breaks away from each runner 26~29, simultaneously, can also utilize the toe lateral of crawler type running device 10 to bear the weight that portion 3 is transported in harvesting with good stable, the performance etc. that can improve the harvesting efficiency of operation and cross field, and can not cause raising because of the complicated and cost of the structure that increase caused of runner.
As Fig. 3 and shown in Figure 4, about each crawler type running device 10 in, the fore-and-aft cearance P4 of the 4th runner 29 and loose wheel 25 is set to the fore-and-aft cearance P1 less than first runner 26 and second runner 27.
In other words, the 3rd runner 28 of the rear portion side by each crawler type running device 10 about will being positioned at and the fore-and-aft cearance P3 of the 4th runner 29, the 4th runner 29 is set at less with the fore-and-aft cearance P4 of loose wheel 25, even the fore-and-aft cearance P1 of first runner 26 of the toe lateral of each crawler type running device 10 about will being positioned at and second runner 27, second runner 27 of the front and back center side of each crawler type running device 10 about being positioned at and the fore-and-aft cearance P2 of the 3rd runner 28 are set at bigger, also can prevent owing to about the ground contact length of crawler type running device 10 become and to cause circuitous performance to reduce greatly.
As Fig. 1 and shown in Figure 3, driving wheel 24 be configured in its center of turn and first runner 26 center of turn between the upper and lower apart from P5 greater than the center of turn of the ground plane 30C of crawler belt 30 and first runner 26 between the upper and lower on the height and position of P6.
Thus, can make the T/M casing 9 that has an output shaft 32 in the bottom highly become big on respect to the ground of starting shaft 24, thereby when the operation of dark field, can avoid the ground of contact field, the bottom piece of T/M casing 9.Its result can improve the operability dark Tanaka.
Shown in Fig. 1 and Fig. 3~5, about each crawler type running device 10 on, have and prevent the first crawler belt guide 42 that crawler belt 30 comes off with respect to first runner 26 and second runner 27 and prevent the second crawler belt guide 43 that crawler belt 30 comes off with respect to the 3rd runner 28 and the 4th runner 29.This first crawler belt guide 42 and the second crawler belt guide 43 form the shape of two ends perk respectively, for example are the sled shape.
Shown in Fig. 3~10, on the first crawler belt guide 42, be formed with screw be linked in the attachment 42A of first attachment 44 that toe lateral was equipped with of bogie frame 23, at first guide part 42B of front and back and the second guide part 42C between the first guide part 42B in front and back etc.The first crawler belt guide 42 is formed, under the state of first attachment 44 that its attachment 42A screw is linked in bogie frame 23, the first guide part 42B before and after it and the second guide part 42C lay respectively between the pair of right and left core gold projection 41A, the first guide part 42B of front side is on the front and back position identical with first runner 26, be positioned at same height with the bottom 26B of first runner 26, thus guiding crawler belt 30.Be formed in addition, the first guide part 42B of rear side is positioned at same height with the bottom 27B of second runner 27 on the front and back position identical with second runner 27, thus guiding crawler belt 30.Be formed in addition, the second guide part 42C more is positioned at the top and is in the altitude range of core gold projection 41A than bottom 26B, the 27B of these runners 26,27 on the position between first runner 26 and second runner 27, thus guiding crawler belt 30.
On the second crawler belt guide 43, be formed with that screw is linked in the first attachment 43A of second attachment 46 that rear portion side was equipped with of bogie frame 23 and the second attachment 43B, the second guide part 43D between the first guide part 43C of front and back, the first guide part 43C in front and back and the extension 43E that extends to loose wheel 25 from the first guide part 43C of rear side etc.Like this, the second crawler belt guide 43 is formed, under the state of the corresponding attachment 45,46 that its each attachment 43A, 43B screw is linked in bogie frame 23, the first guide part 43C before and after it and the second guide part 43D and extension 43E lay respectively between the pair of right and left core gold projection 41A, the first guide part 43C of front side is on the front and back position identical with the 3rd runner 28, be positioned at same height with the bottom 28B of the 3rd runner 26, thus guiding crawler belt 30.In addition, the first guide part 43D of rear side is positioned at same height with the bottom 29B of the 4th runner 29 on the front and back position identical with the 4th runner 29, thus guiding crawler belt 30.In addition, the second guide part 43D more is positioned at the top and is in the altitude range of core gold projection 41A than bottom 28B, the 29B of these runners 28,29 on the position between the 3rd runner 28 and the 4th runner 29, thus guiding crawler belt 30.In addition, extension 43E more is positioned at the top and is in the altitude range of core gold projection 41A than the bottom 29B of the 4th runner 29 on the position between the 4th runner 29 and the loose wheel 25, thus guiding crawler belt 30.
According to said structure, can utilize the first crawler belt guide 42 effectively to suppress because the fore-and-aft cearance P1 of first runner 26 and second runner 27 becomes big, make the guiding function of first runner 26 and second runner 27 be difficult to relate to crawler belt 30, thereby the crawler belt 30 of crawler type running device 10 toe lateral about occurring in easily is with respect to first runner 26 and second displacement of runner 27 on left and right directions.
In addition, can utilize the crawler belt 30 of rear portion side of the crawler type running device 10 about the 43 effective inhibition of the second crawler belt guide occur in easily with respect to the 3rd runner 28, the 4th runner 29 or the displacement of loose wheel 25 on left and right directions.
And, as mentioned above, owing on the first crawler belt guide 42 and the second crawler belt guide 43, formed the first guide part 42B, 43C and the second guide part 42C, 43D, and on the second crawler belt guide 43, formed extension 43E, make on crawler belt 30, the crawler belt relative with the first guide part 42B, 43C partly is subjected in first~the 4th runner 26~29 guiding function of any one, thereby is difficult to and the first guide part 42B, 43C moving contact.In addition, because the second guide part 42C, 43D and extension 43E more are positioned at the top than the bottom 26B~29B of each runner 26~29, make that the crawler belt relative with the second guide part 42C, 43D and extension 43E partly is difficult to and the second guide part 42C, 43D and extension 43E moving contact.
In other words, the first crawler belt guide 42 and the second crawler belt guide 43 are tried one's best near the lower end of each runner 26~29, thereby more effectively suppress coming off of crawler belt 30, simultaneously, the situation that forms first guide part (forming same height with the bottom 26B~29B of each runner 26~29) with Zone Full with guide part on the first crawler belt guide 42 and the second crawler belt guide 43 is compared, and can effectively suppress the moving contact of crawler belt 30 with respect to the first crawler belt guide 42 and the second crawler belt guide 43.
Its result, more effectively suppress in the coming off of crawler belt 30 reduction of the durability of the generation of the swiping sound that moving contact caused of the crawler belt 30 and the first crawler belt guide 42 and the second crawler belt guide 43 and crawler type running device 10 in the time of suppressing to travel using the first crawler belt guide 42 and the second crawler belt guide 43.
In addition, by on the second crawler belt guide 43, form extension 43E, can be suppressed at might take place when retreating, crawler belt 30 enters into the situation between the second crawler belt guide 43 and the loose wheel 25.
Shown in Fig. 3, Fig. 4 and Fig. 8~10, vertically erect rising portions 43F near loose wheel 25 thereby on the extension 43E of the second crawler belt guide 43, be formed with towards loose wheel 25.In addition, rising portions 43F is formed more the narrow more shape of amplitude towards its left and right directions of body rear.In addition, being not limited to of rising portions 43F vertically erects, and be narrow more towards the amplitude of its left and right directions of body rear more as long as it is shaped as, and just can realize technique effect of the present utility model.
Thus, just in case crawler belt 30 enter under the situation between the second crawler belt guide 43 and the loose wheel 25, the core gold 41 that can prevent from advance to be embedded in the crawler belt 30 tangles the situation of the elongated end (rear end) of the second crawler belt guide 43, thereby can prevent owing to tangle coming off of the bending of the crawler belt 30 that elongated end may cause or core gold 41 etc.
And, because rising portions 43F is shaped as more the narrow more shape of amplitude towards its left and right directions of body rear, thereby enter between the second crawler belt guide 43 and the loose wheel 25 even in crawler belt 30 for example, go up protrusion more in the part of the crawler belt between the second crawler belt guide 43 and the loose wheel 25, the core gold 41 of crawler belt 30 embeds under the rising portions 43F and the situation between the loose wheel 25 of the second crawler belt guide 43, be difficult to stablize because the core gold 41 of this embedding becomes between the rising portions 43F of the second crawler belt guide 43 and loose wheel 25, so be difficult to be snapped between the rising portions 43F and loose wheel 25 of the second crawler belt guide 43 into.Its result, the core gold 41 that can prevent crawler belt 30 effectively is snapped between the rising portions 43F and loose wheel 25 of the second crawler belt guide 43 into.
(other embodiment)
(1) as combination machine also can be the reaper of following comprehensive harvesting mode.Promptly, transport in harvesting and to possess two in the portion and prop up framework 17, and will be wherein any one party form delegation and form the two capable frameworks of using with framework and the opposing party, under the harvesting mode of two such hurdle triplex rows, so that be positioned at the branch standing grain top of distributing box 18 of left part that harvesting transports portion 3 or roughly unanimity consistent on the left and right directions of body with the left-external side end of the crawler type running device 10 in left side, and be positioned at the branch standing grain top of distributing box 18 of right part that harvesting transports the portion 3 or roughly mode of unanimity consistent on the left and right directions of body, dispose these distributing boxs 18 with the right external side end of the crawler type running device 10 on right side.
In addition, also can be the combination machine of comprehensive harvesting mode of constituting with non-two hurdle four lines harvesting modes or two hurdle triplex row harvesting modes or the combination machine of the non-comprehensive harvesting mode that constitutes with two hurdle four lines harvesting modes or two hurdle triplex row harvesting modes etc.
(2) the first crawler belt guides 42 and the second crawler belt guide 43 also can be formed: the height and position of their the first guide part 42B, 43C leans on last a little than the bottom of cooresponding runner 26~29, and the height and position of their the second guide part 42C, 43D leans on last than the first guide part 42B, 43C height and position a little.
(3) also the rising portions 43F of the second crawler belt guide 43 can be formed the curved shape that its rear end bloats agley to the body rear.
The utility model can be used for the crawler type running device of various combination machines, as long as it is at the device that separates four runners of configuration between driving wheel that predetermined distance disposes and the loose wheel on the fore-and-aft direction of body.

Claims (11)

1. the crawler type running device of a combination machine is characterized in that,
With first runner, second runner, the 3rd runner, the 4th runner successively from the front side of body to rear side linearity alignment arrangements,
The fore-and-aft cearance of these runners is set at: the fore-and-aft cearance of described first runner and described second runner is greater than the fore-and-aft cearance of described the 3rd runner and described the 4th runner, and the fore-and-aft cearance of described second runner and described the 3rd runner is greater than the fore-and-aft cearance of described first runner and described second runner.
2. the crawler type running device of combination machine as claimed in claim 1 is characterized in that,
Have and prevent the first crawler belt guide that crawler belt comes off with respect to described first runner and described second runner and prevent the second crawler belt guide that described crawler belt comes off with respect to described the 3rd runner and described the 4th runner,
The described first crawler belt guide is formed respectively with the described second crawler belt guide: on the front and back position identical with cooresponding two runners, thereby has front and back first guide part that guides described crawler belt with the lower end part of these runners in identical or roughly the same height, and on the position between cooresponding two runners, thereby the top with the bottom that is positioned at these runners guides second guide part of described crawler belt.
3. the crawler type running device of combination machine as claimed in claim 2 is characterized in that,
The described second crawler belt guide extends to the loose wheel in the dead aft that is positioned at described the 4th runner,
On its extension, be formed with towards described loose wheel and stand vertically and near the rising portions of described loose wheel.
4. the crawler type running device of combination machine as claimed in claim 3 is characterized in that,
Described rising portions is formed more towards the narrow more shape of its width on the body left and right directions of described loose wheel.
5. the crawler type running device of combination machine as claimed in claim 3 is characterized in that,
Described rising portions is formed the curved shape that end thereafter bloats agley to the body rear.
6. the crawler type running device of combination machine as claimed in claim 2 is characterized in that, described first crawler belt guide and the described second crawler belt guide form the shape that two ends upwarp respectively.
7. as the crawler type running device of each the described combination machine in the claim 1~6, it is characterized in that,
The driving wheel that will be positioned at the dead ahead of described first runner be configured in make its center of turn and described first runner center of turn between the upper and lower on height and position greater than the distance between the upper and lower of the center of turn of the ground plane of described crawler belt and described first runner.
8. the crawler type running device of combination machine as claimed in claim 7 is characterized in that,
The fore-and-aft cearance of described the 4th runner and described loose wheel is less than the fore-and-aft cearance of described first runner and described second runner.
9. the crawler type running device of combination machine as claimed in claim 1 is characterized in that,
Described crawler type running device is configured in the left and right sides of combination machine, the position consistency of left part of the crawler type running device in the position at branch standing grain top of left part of portion and left side is transported in the harvesting that is configured in combination machine the place ahead, and it is roughly consistent with the position of the right part of the crawler type running device on right side that the position at branch standing grain top of right part of portion is transported in described harvesting.
10. the crawler type running device of combination machine as claimed in claim 3, it is characterized in that, between described first runner and described second runner, and the bearer frame that between described the 4th runner and described loose wheel, disposes the main frame of the described crawler type running device of supporting respectively.
11. the crawler type running device of combination machine as claimed in claim 9 is characterized in that, described the 3rd runner and with it the core gold of corresponding crawler belt be configured on the left and right directions of crawler belt position than the line of centers deflection car body outside of crawler belt.
CN2010201831207U 2009-05-13 2010-04-22 Crawler-type running device of combined harvester Expired - Fee Related CN201685896U (en)

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CN103329682A (en) * 2013-06-08 2013-10-02 广西开元农用机械制造有限公司 Elongated and widened chassis device for micro-scale semi-feeding combine harvester
CN108163065A (en) * 2017-11-22 2018-06-15 北京理工华汇智能科技有限公司 Crawler belt universal wheel
CN112136513A (en) * 2012-07-10 2020-12-29 株式会社久保田 Crawler travel device and harvester

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JP2013043557A (en) * 2011-08-24 2013-03-04 Yanmar Co Ltd Working vehicle
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USD941886S1 (en) 2019-11-21 2022-01-25 Caterpillar Inc. Slider

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CN112136513A (en) * 2012-07-10 2020-12-29 株式会社久保田 Crawler travel device and harvester
CN103329682A (en) * 2013-06-08 2013-10-02 广西开元农用机械制造有限公司 Elongated and widened chassis device for micro-scale semi-feeding combine harvester
CN108163065A (en) * 2017-11-22 2018-06-15 北京理工华汇智能科技有限公司 Crawler belt universal wheel

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