CN100451396C - Axle supporting structure of working machine - Google Patents
Axle supporting structure of working machine Download PDFInfo
- Publication number
- CN100451396C CN100451396C CNB2004800140849A CN200480014084A CN100451396C CN 100451396 C CN100451396 C CN 100451396C CN B2004800140849 A CNB2004800140849 A CN B2004800140849A CN 200480014084 A CN200480014084 A CN 200480014084A CN 100451396 C CN100451396 C CN 100451396C
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- China
- Prior art keywords
- axle
- axletree
- gear
- gearbox casing
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 37
- 235000013339 cereals Nutrition 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 241000604017 Lysimachia sikokiana Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Sealing Of Bearings (AREA)
- Harvester Elements (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The object of the invention is to provide an axle supporting structure of a working machine formed such that, even if an axle case and an axle are removed from a transmission case, oil does not leak from the transmission case, wherein the axle case (27) is continuously fitted to the transmission case (22) to support an axle (26) on the transmission case (22) and the axle case (27), and a carrier (28) as a power transmission body is fitted to one end of the axle (26) in the transmission case (22). An axle fitting part (28a) forming the axle connection part of the carrier (28) is sealed, and an oil seal (39) and an oil seal (40) are disposed between the outer end of the axle case (27) and the axle (26) and between the transmission case (22) and the carrier (28) forming an axle support part.
Description
Technical field
The present invention relates to the axle supporting structure of working machine.
Background technique
In the axle supporting structure of working machines such as combine, by the bearing support bearing axle that is located at gearbox casing axle box inside inner and that be connected with this gearbox casing.As the structure of this axletree support, the structure (with reference to Patent Document 1) that has proposed to open strictly according to the facts shown in the flat 5-30601 communique, the oil of the axle box inside in the support of axletree that travels is supplied with as lubricant oil.Particularly, two ends of sealing axle box form oil and accumulate the chamber, and this oil is accumulated indoor oil as the externally lubricant oil supply of bearing at end.
Like this, in axle supporting structure, not only support the axletree that travels, also play effect at described axle box internal storage oil.Usually in the outer end of axle box oil seal is set, making can be in the store oil of the inside of axle box, and should oil can be to external leakage.
On the other hand, as mentioned above,, can prevent to sneak in the axle box from outsides such as silt particles owing to set oil seal in the outer end of axle box.But, in working machines such as combine, it is contemplated that on the operation place of ground surface mire and carry out operation.Therefore, only setting oil seal in the outer end of axle box, is not enough to preventing that mud etc. is blended in the gearbox casing.
According to this viewpoint, the scheme as the structure of the speed changer of driving the combine as shown in the 2002-274205 communique the spy has been proposed.Particularly, in riding rice transplanter, even when entering in the axle box by hanger mechanism mud etc., owing between the joining portion that engages gearbox casing and axle box, be provided with sealed member, so this mud etc. can not enter into gearbox casing (with reference to Patent Document 2).
But at described sealing part abrasion with when aging, must change them one by one, and in the axle supporting structure of existing working machine change, when the sealing part is installed and when carrying out maintenance etc. in other the gearbox casing, as long as pull down axle box and axletree from gearbox casing, oil will spill from gearbox casing.Therefore, must be once take out oil in the gearbox casing from the draining portion that is located at this gearbox casing bottom, and then, when assembling, oil is re-injected in the gearbox casing, be pretty troublesome problem.
Special in the bogie structure described in the TOHKEMY 2002-274205 communique, for utilizing sliding up and down of hanger mechanism to prevent to enter mud etc., Sealing is located between the connecting part of gearbox casing and axle box, improved sealing effect to mud etc., and because the bottom of gearbox casing is not airtight fully, so when pulling down axle box and axletree etc., have so-called problem from the inner leakage of oil of gearbox casing.
[patent documentation 1] opens flat 5-30601 communique in fact
[patent documentation 2] spy opens the 2002-274205 communique
The object of the present invention is to provide a kind of structure that solves above-mentioned existing issue in the axle supporting structure of working machine, even pull down axle box and axletree from gearbox casing, oil can not spill yet.
Axle supporting structure as the working machine of a first aspect of the present invention, the axle box dismounting of its bearing axle freely is connected with the gearbox casing at interior support power transmission body, the end of this axletree is embedded in the hole of this power transmission body, end in the face of this axletree in the hole of this power transmission body sets Sealing, simultaneously, the inner end in the face of the axle box that is connected with this gearbox casing sets Sealing between this gearbox casing and this power transmission body.By such formation, at the described oil sealing of replacing, when keeping in repair in the axletree support, even pull down described axletree and axle box, oil can not spill from gearbox casing inside yet.In maintenance operation, needn't take out the oil in the gearbox casing, do not bother.In addition, according to circumstances,, can prevent that also mud etc. is blended in the gearbox casing even when in axle box, sneaking into mud etc.
Adopt this structure, in differential attachment etc., even about axletree between can prevent that also oil from spilling from gearbox casing inside when having at interval.
And then, as a second aspect of the present invention, be between described gearbox casing and described power transmission body, to be provided with bearing.By such formation, can replace entering oil in the axle box with lubricating grease, make this axle box lightweight.
Description of drawings
Fig. 1 is the integral left profile that the combine of axle supporting structure of the present invention is housed;
Fig. 2 is the section front elevation of speed changer;
Fig. 3 is the unfolded drawing of the cut-away section of axle supporting structure;
Fig. 4 is the unfolded drawing of cut-away section of another embodiment's axle supporting structure;
Fig. 5 is the fragmentary cross-sectional view of another embodiment's axle supporting structure equally.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
At first, the overall structure to the combine of present embodiment makes the following instructions.As shown in Figure 1, in this combine, about vehicle frame 1, constitute crawler type running device 2 and set up board 3.Front end at this board 3 liftably sets pull-up reaping part 8.And extract plant with the cutter 9 that is configured in these pull-up reaping part 8 bottoms at the separated paddy bar of the front end of pull-up reaping part 8.Shou Ge paddy bar is transported to the combine rear portion with paddy bar carrying mechanism 10 like this, and plant is received by feeding chain 5 from the upper end portion of this paddy bar carrying mechanism 10, is transported in the shelling portion 4.
Set Lysimachia sikokiana chain 14 in the rear end of described Conveying chains 5.Form Lysimachia sikokiana processing division 13 in these Lysimachia sikokiana chain 14 lower rear.4 sidepieces set this grain storehouse 15 in described shelling portion, move into smart grain after selecting from described shelling portion 4 by the not shown tube of winnowing in this grain storehouse 15.Be equipped with operation office for train receiving departure 18 in the front portion in this grain storehouse 15, circular steering steering wheel 19 and the operation seat 20 of configuration in this operation office for train receiving departure 18.In addition, the upright vertical screw rod 17a that discharges screw rod 17 that is provided with at these 15 rear portions, grain storehouse can be to go up the grain of discharging in the grain storehouse 15 near the truck of discharging screw rod 17 front ends etc.
Top, the place ahead at described vehicle frame 1 is equipped with motor 21.In the combine in the present embodiment, be provided with by static oil pressure endless gearing device (below be abbreviated as " HST ") promptly by the speed change gear that travels and form with HST that does not have illustrated driving system with the rotation of HST and rotation system.This HST forms in HST case 23, and this HST case 23 is attached to the upper side of gearbox casing 22, is used for motivational drive from motor 21.
Below will describe in detail in the present embodiment from the mechanism of motor 21 to axletree 26 transferring power.At first the structure in the gearbox casing 22 is described.
In Fig. 2 and Fig. 3, at first pass to the bevel gear 63 chimeric with transmission shaft 62 splines from the power of motor 21.Gear 64 arranged in that these transmission shaft 62 upper splines are chimeric, this gear 64 usual with gears 67 engagements that are entrenched on the jack shaft 66.Chimeric on jack shaft 66 have a gear 68, these gear 68 usual and described later travelling with 70 engagements of the input gear on input shafts 69 of HST.In addition, the driving belt wheel of using at the fan that on the protuberance of the outstanding transmission shaft 62 in the side of gearbox casing 22, is set with driving engine radiator and cooling usefulness 65.
Set up HST case 23 on the top of gearbox casing 22.Up and down and be provided with not shown travelling with the travel oil pressure pump and the hydraulic motor that travels of HST, it is arranged side by side along the vertical direction that the input shaft 69 of this oil pressure pump that travels and 71 of the output shafts of the hydraulic motor that travels are bearing in the Y-axis direction of speed change body case 22 in this HST case 23.And in this HST case 23, up and down and be provided with not shown rotation rotation oil pressure pump and the hydraulic motor with HST, the output shaft axle of the input shaft of this rotations oil pressure pump and rotation hydraulic motor is bearing on the body Y-axis direction, and is arranged side by side along the vertical direction.In addition, harvesting output shaft 61 is outstanding to the side of this HST case 23, drives described reaping part 8 by this harvesting output shaft 61.Like this, constitute,, improved maintenance so the assembling of HST self and this HST case 23 become easily toward the dismounting on the gearbox casing 22 owing to travel with HST and rotate with HST is whole in a HST case 23.
Described travel with the input shaft 69 of HST below, be horizontally set with above-mentioned travelling with the output shaft 71 of HST, constitute secondary shift drive mechanism 60.Promptly chimeric on this output shaft 71 have a gear 72, on this gear 72, forms low speed driving respectively with external tooth 72a with run at high speed and use external tooth 72b.Below described output shaft 71, be horizontally set with secondary variable speed drives axle 73, movable chimeric gear 74 of difference and gear 75 on this pair variable speed drives axle 73.In addition, this gear 74 and gear 75 usual low speed drivings with described gear 72 mesh with external tooth 72b with running at high speed with external tooth 72a.Chimeric driving gear 77 on described secondary variable speed drives axle 73, these driving gear 77 gears 79 usual and that be horizontally set with on the secondary speed change driven shaft 78 below the secondary variable speed drives axle 73 mesh.
In addition, pair variable speed drives axle 73 can spline be chimeric slidably on the Y-axis direction with this with the clutch slide block 76 of described gear 74 and gear 75 engagements respectively.Determine that outer the dress do not have illustrated reverse shift fork on 76 in that this clutch is sliding.This reverse shift fork be located at described operation seat 20 near one do not have illustrated secondary speed change lever to be connected interlock, by operating this pair speed change lever, make 76 slips of clutch slide block.In secondary shift drive mechanism 60, this clutch slide block 76 can obtain the two-stage speed change with secondary speed change driven shaft 78 and rotate by any engagement in formation and described gear 74 and the gear 75 like this.
Left part at this pair speed change driven shaft 78 is provided with stopping brake mechanism 81.This stopping brake mechanism 81 can carry out the operation by the braking force that does not have illustrated rim brake to produce.In stopping brake mechanism 81, by the illustrated detent lever cam axle that do not have that is connected interlock with rim brake pressing plate 82 is rotated, take place afterwards in Fig. 2 left to thrust, can push multi-plate friction brake 83 with this pressing plate 82, it is overlapped with the friction plate that is contained in speed change body case 22 sides by the friction plate of integral installation on secondary speed change driven shaft 78 and forms.Push by this, give secondary speed change driven shaft 78 resistances to produce the stopping brake effect.
Below described secondary speed change driven shaft 78, be horizontally set with transmission shaft 84.Chimeric on this transmission shaft 84 have a driving gear 85, this driving gear 85 usual with variable speed drives output gears 80 engagements that are entrenched on the secondary speed change driven shaft 78.In addition, on this transmission shaft 84, fixedly install the output gear 86 of transferring power respectively on left and right sides axletree 26, this output gear 86 meshes with the gear ring 29 of differential attachment 25.
This differential attachment 25 is made of the pairing left and right planetary gears.Particularly, at first, below the described transmission shaft 84 and with axletree 26 same axis on be horizontally set with central gear shaft 90, on this central gear shaft 90, fixedly install sun gear 87.On the periphery of this sun gear 87 with the supporting of 28 of planetary carriers a plurality of can with sun gear 87 planet gear meshed 88,88 ..., simultaneously, with integrally formed inside engaged gear 89 engagements on described gear ring 29.Gear ring 29 is supported on the planetary carrier 28 in the bearing portion.
Described planetary carrier 28 becomes the power transmission body to axletree 26, outward direction extends axis central part, and form axle sleeve at the peripheral part of axletree 26, it is supported to be inserted on the gearbox casing 22 the support 22a that forms, by as the bearing support 31 of axletree support along the Y-axis center embedded rotationally the supporting.Fixing on this planetary carrier 28 between the bearing portion and described bearing support 31 that the back-up ring of using described inside engaged gear 89 positions 32 is inlaid in this inside engaged gear 89.And in axletree embedding part 28a, can pull out the chimeric described axletree 26 in ground as the axletree joint of this planetary carrier 28.
On described central gear shaft 90, reverse gear 91 and be fixedly installed on left and right sides substantial middle, this reverse gear 91 when flat respectively with about described sun gear 87 engagements of differential attachment 25.And formations are not made the illustrated imparting mechanism that just reversing in the gearbox casing 22, are delivered to this reverse gear 91 with output shaft through just reversing imparting mechanism with the rotation of HST from the rotation in the described HST case 23 of the power of motor 21.Promptly, owing to reverse sun gear 87 engagements of the formation of gear 91 and pairing left and right planetary gears, so if carry out the control of positive de-rotation direction and revolution increase and decrease with the HST of rotation usefulness, this control by this reverse gear 91 respectively to about differential attachment 25 act on.
Like this, the power from motor 21 is delivered to differential attachment 25 by described travelling with HST and secondary shift drive mechanism 60.In addition, be delivered to rotation HST from the driving force of motor 21, in carried out the control that positive de-rotation direction and revolution increase and decrease with HST by this rotation, driving force does not pass to differential attachment 25 by making the illustrated imparting mechanism that just reversing in the gearbox casing 22 yet.That is, by passing to driving sprocket wheel 24 driving forces of crawler type running device 2 usually by the axletree 26 that is connected with this differential attachment 25, can before and after directly sail, in addition,, can turn by relative increase and decrease to the rotating speed of driving sprocket wheel 24.
At this, axle supporting structure of the present invention is carried out following explanation.
As shown in Figure 3, in the bottom of gearbox casing 22, fixedly install axle box 27 with bolt 34 in the left and right sides.An end of described axletree 26 is bearing on the outer end of this axle box 27 by the bearing support 35 as the axletree support.This bearing support 35 is inlaid on the axletree 26, uses the outer end that is positioned at axle box 27 with the back-up ring 37 of 26 same axle collars 36 that upward form of this axletree and rigid bearing support 35 positions.One distolateral at described axletree 26 fixedly installs driving sprocket wheel 24 with nut 38.Like this, the described axletree 26 that is entrenched on the described planetary carrier 28 is bearing on the horizontal axis by the bearing support 31 of speed change body case 22 and the bearing support 35 of axle box.Emit the exhausting air path 26a of the air the embedding part of sneaking into such axletree 26 in the formation of the inside of this axletree 26 from this embedding part.
In the outer end of axle box 27,, and oil sealing 39 as Sealing is housed in the mode in the gap of complete closed axletree 26 and axle box 27 more in the outer part than described bearing support 35.Even combine in the present embodiment also can be worked in operation field of ground surface mire etc.,, can prevent from axle box 27, to sneak into Ni Heshui etc. from the contacting part of described axle box 27 and driving sprocket wheel 24 by disposing this oil sealing 39.
In described axle box 27, store the oil of supplying with as lubricant oil.This oil is supplied with by the oilhole 42 that wears on a side face of axle box 27.When in axle box 27, injecting oil, can prevent the wearing and tearing of axletree spline part,, also find easily from these axle box 27 outsides even when the oil sealing of outer end 39 is damaged.
Inside at described gearbox casing 22, seal means as this gearbox casing bottom of oil tight seal, near the joining portion of this gearbox casing 22 and axle box 27, particularly, more in the outer part and in the mode in the gap of this gearbox casing 22 of complete closed and described planetary carrier 28 oil sealing 40 as Sealing is being housed than described bearing support 31.In addition,, the Sealing 41 that covers shape is housed, between the inboard of the periphery of sealing part 41 and axletree embedding part 28a, O shape circle etc. is housed in the inboard of this axletree embedding part 28a in inside as the axletree embedding part 28a of the axletree joint of described planetary carrier 28.
And insert described central gear shaft 90 from the inboard of the gearbox casing 22 of described planetary carrier 28, sun gear 87 is housed on this central gear shaft 90 as mentioned above, reverses gear 91 and bearing portion 92.This central gear shaft 90 forms left and right sides planetary carrier 28 is set.Therefore, by the bearing that is provided on the described central gear shaft 90, oil can not spill from gearbox casing 22, when described oil sealing 39 grades of replacing are keeped in repair in the axletree support, even pull down described axletree 26 and axle box 27, oil can not spill from gearbox casing 22 inside yet.In addition, can not take out oil in the gearbox casing 22, carry out the mounting or dismounting of described axletree 26 and axle box 27.
Afterwards, by on above-mentioned axle supporting structure, disposing oil sealing 40 and Sealing 41 again, the underpart of gearbox casing 22 becomes the close sealing state of oil to the outside, and oil can not spill to the outside of gearbox casing 22 by the gap and the described axletree embedding part 28a of gearbox casing 22 and described planetary carrier 28.
In addition, can not prevent sneaking in this axle box 27 such as mud fully at described oil sealing 39.When this mud etc. is blended in the gearbox casing 22, can cause the wearing and tearing and the breakage of gear etc.In the present embodiment, because the axletree support of described gearbox casing 22 is with described oil sealing 40 and Sealing 41 sealings,, can prevent that also mud etc. is blended in the gearbox casing 22 even according to circumstances this mud etc. is sneaked into axle box 27 when interior.
Speed change gear is not limited to above-mentioned HST in the power transmission mechanism of motor 21 in the present embodiment, also can be that the wheeled peace of hydraulic transformer and slide teeth is often engagement type, the speed change gear of vee-belt etc.And then, also can be the device of configuration hydraulic type speed change gear described later and oil pressure steering clutch.
Secondly, another embodiment to axle supporting structure of the present invention carries out following explanation.
As mentioned above, the invention is not restricted to the differential attachment of rotation mode with the pairing left and right planetary gears.In the axle supporting structure of the working machine of the speed change gear that adopts the side clutch brake, also can use.
As shown in Figure 4 and Figure 5, in gearbox casing 22 hydraulic type speed-shiftig mechanism that does not illustrate among the center portion supporting figure of the place ahead direction, by this hydraulic type speed-shiftig mechanism, the transmission of power of described motor 21 is given driven gear 45.Driven gear 45 is arranged on the same axle with the steering shaft 47 of differential attachment 46.In addition, dispose side gear 48 and side arrestment mechanism 49 on this steering shaft 47, this side gear 48 can mesh with final reduction gear 50 described later.
And on the outer end of described axle box 27,, on axletree 26, than described bearing support 35 more in the outer part, and oil sealing 39 is installed in the mode in the gap that seals this axletree 26 and axle box 27 fully as the oil seal means of the bottom of sealed gearbox body 22 thickly.On the other hand, in the inside of described gearbox casing 22, than described bearing support 51 more in the outer part, oil sealing 53 is installed in the mode in the gap that seals this gearbox casing 22 and described final reduction gear 50 fully.In addition, in the inside of the axletree embedding part 50a of this final reduction gear 50, than the medial extremity of axletree 26 Sealing 41 is housed more in the inner part, to seal the inboard of this axletree embedding part 50a.By being embedded sealing part 41, the oil in the gearbox casing 22 can not spill to the outside by this through hole 50b.
And then, in the embodiment shown in fig. 4, as the oil seal arrangement of the bottom of sealed gearbox body 22 thickly, with described final reduction gear 50 in inserting among the logical rightabout through hole 50b of direction of axletree 26 be embedded described Sealing 41, and then, can be fixed on its outside with lid 55.This lid 55 also can be made by iron plate, and electron beam welding is embedded the periphery at the lid 55 of final reduction gear 50, and this lid 55 and final reduction gear 50 are become one.Oil-tightness below this occasion can further improve gearbox casing 22 inside.Even and mud etc. are when sneaking in the described axle box 27, can prevent that also this mud etc. is immersed in the gearbox casing 22 by the through hole 50b of described final reduction gear 50.
In the embodiment shown in fig. 5, about described final reduction gear 50,50 between be provided with and form tubular, Sealing 56 that internal diameter is bigger than the internal diameter of described through hole 50b so that seal described through hole 50b.On described final reduction gear 50, with the chimeric Sealing of giving prominence to the internal direction of gearbox casing 22 from through hole 50b 57 of mode, the protuberance setting-in of described Sealing 56 and sealing part 57.By such structure, the oil in the gearbox casing 22 can not spilt by this through hole 50b (axletree joint) to the outside.And then, even the rotational velocity that left and right sides axletrees takes place by described differential attachment 46 still can keep sealing the state of described through hole 50b when producing difference.
In the axle supporting structure of this routine working machine, also can form described lid 55 and Sealing 57 and final reduction gear 50 and be integral.Particularly, also can be welded on the axletree joint direct electron bundle that forms the splined shaft axle sleeve side of the final reduction gear 50 of not establishing axis hole, oil thickly seals this axletree joint.
In addition, in the above-described embodiment, in the bearing support 31,51 in gearbox casing 22 and the bearing support 35 of axle box 27, also can be with being with the bearing that seals.When the bearing that uses this band to seal, needn't be lubricated in the bearing portion at described bearing support 35, in addition, replace in described axle box 27, supplying with oil by adopting lubricating grease, effective especially on these axle box 27 lightweight this point of realization.
Claims (2)
1, a kind of axle supporting structure of working machine, its axle box (27) dismounting that constitutes a bearing axle (26) freely with at interior support power transmission body (28,50) gearbox casing (22) is connected with, make the end of this axletree (26) embed this power transmission body (28,50) in the hole, it is characterized in that, at this power transmission body (28,50) end in the face of this axletree (26) in the hole sets Sealing (41,57), simultaneously, at this gearbox casing (22) and this power transmission body (28,50) inner end of facing this axle box (27) that is connected with this gearbox casing (22) between sets Sealing (40,53).
2, the axle supporting structure of working machine as claimed in claim 1 is characterized in that, between described gearbox casing (22) and described power transmission body (50) bearing (51) is set.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP144795/2003 | 2003-05-22 | ||
| JP2003144795A JP4328127B2 (en) | 2003-05-22 | 2003-05-22 | Axle support structure of work equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1795341A CN1795341A (en) | 2006-06-28 |
| CN100451396C true CN100451396C (en) | 2009-01-14 |
Family
ID=33475220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800140849A Expired - Fee Related CN100451396C (en) | 2003-05-22 | 2004-05-21 | Axle supporting structure of working machine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4328127B2 (en) |
| KR (1) | KR101029513B1 (en) |
| CN (1) | CN100451396C (en) |
| WO (1) | WO2004104451A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100903065B1 (en) * | 2007-02-28 | 2009-06-18 | 이세키노우키가부시키가이샤 | Work vehicle |
| KR101704469B1 (en) * | 2015-04-09 | 2017-02-22 | 이은석 | The hub breakaway prevention device for a tire fixing of yacht trailer |
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|---|---|---|---|---|
| JPS5030428U (en) * | 1973-07-14 | 1975-04-05 | ||
| JPS593056U (en) * | 1982-06-29 | 1984-01-10 | 株式会社クボタ | Structure of hydraulic power transmission case |
| JPS601562U (en) * | 1983-06-16 | 1985-01-08 | ヤンマー農機株式会社 | transmission case |
| JPS6213725U (en) * | 1985-07-11 | 1987-01-27 | ||
| JPH03135833A (en) * | 1989-10-21 | 1991-06-10 | Kubota Corp | Structure of clutch attaching portion for transmission device |
| JPH10132055A (en) * | 1996-10-31 | 1998-05-22 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission |
| JP2000072028A (en) * | 1998-09-02 | 2000-03-07 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission for hydraulically driven vehicle |
| JP2001315661A (en) * | 2000-05-08 | 2001-11-13 | Seirei Ind Co Ltd | Transmission part structure for crawler type traveling vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS3935089Y1 (en) * | 1962-11-05 | 1964-11-25 |
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2003
- 2003-05-22 JP JP2003144795A patent/JP4328127B2/en not_active Expired - Fee Related
-
2004
- 2004-05-21 KR KR1020057022164A patent/KR101029513B1/en not_active IP Right Cessation
- 2004-05-21 CN CNB2004800140849A patent/CN100451396C/en not_active Expired - Fee Related
- 2004-05-21 WO PCT/JP2004/006928 patent/WO2004104451A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5030428U (en) * | 1973-07-14 | 1975-04-05 | ||
| JPS593056U (en) * | 1982-06-29 | 1984-01-10 | 株式会社クボタ | Structure of hydraulic power transmission case |
| JPS601562U (en) * | 1983-06-16 | 1985-01-08 | ヤンマー農機株式会社 | transmission case |
| JPS6213725U (en) * | 1985-07-11 | 1987-01-27 | ||
| JPH03135833A (en) * | 1989-10-21 | 1991-06-10 | Kubota Corp | Structure of clutch attaching portion for transmission device |
| JPH10132055A (en) * | 1996-10-31 | 1998-05-22 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission |
| JP2000072028A (en) * | 1998-09-02 | 2000-03-07 | Kanzaki Kokyukoki Mfg Co Ltd | Transmission for hydraulically driven vehicle |
| JP2001315661A (en) * | 2000-05-08 | 2001-11-13 | Seirei Ind Co Ltd | Transmission part structure for crawler type traveling vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4328127B2 (en) | 2009-09-09 |
| CN1795341A (en) | 2006-06-28 |
| WO2004104451A1 (en) | 2004-12-02 |
| KR20060012637A (en) | 2006-02-08 |
| JP2004347026A (en) | 2004-12-09 |
| KR101029513B1 (en) | 2011-04-18 |
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