CN202285605U - Dust exhaust device of combine harvester - Google Patents
Dust exhaust device of combine harvester Download PDFInfo
- Publication number
- CN202285605U CN202285605U CN2011203099646U CN201120309964U CN202285605U CN 202285605 U CN202285605 U CN 202285605U CN 2011203099646 U CN2011203099646 U CN 2011203099646U CN 201120309964 U CN201120309964 U CN 201120309964U CN 202285605 U CN202285605 U CN 202285605U
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- suction
- dust
- rotary fan
- conveying plant
- dust exhaust
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Abstract
The utility model provides a dust exhaust device of a combine harvester. The device can exhaust dust from a conveyer device under the condition that stalk bodies and leaves are easy to prevent from being wound. The device is characterized in that the device is provided with a dust exhaust hood (31) which is arranged outside a conveyer device shell (20) under the condition that the dust exhaust hood is communicated with a dust suction inlet (26) on a top plate part (24) of the conveyer device shell (20) of a conveyer device (11); and dust suction and exhaust rotary fans (32) are arranged by freely rotating around an axis (X) parallel to the top plate part (24) so as to ensure a lower end (32a) of the rotating locus to be arranged close to a periphery (27a) of the dust suction inlet (26) inside the dust exhaust hood (31).
Description
Technical field
The utility model relates to a kind of dust exhaust that acts on the combine of conveying plant, and this conveying plant is supplied with from what extract device to sheller unit and extracted the paddy stalk.
Background technology
For example; At patent documentation 1; Put down in writing the existing dust exhaust of following formation in 2: the top plate portion that suction port is arranged on the conveying plant housing of conveying plant; Have the dust discharge cover, the rotation that are arranged at the conveying plant hull outside with the state that is communicated with this suction port and be arranged on the inner suction dancing dervish rotary fan of this dust discharge cover freely, under the effect of suction dancing dervish rotary fan, the dust of the place ahead that results from conveying plant and conveying plant enclosure interior; Be attracted to dust discharge cover inside and, be discharged to the drain position of regulation from the outlet of dust discharge cover from suction port in the internal flow of dust discharge cover.
The dust exhaust that patent documentation 1 is put down in writing has as the cover body of dust discharge cover with as the electric drive axle flow fan of suction dancing dervish rotary fan.In addition, the dust exhaust shown in Figure 9 of patent documentation 2 has as the last mask body of dust discharge cover with as the multi blade fan of suction dancing dervish rotary fan.
Patent documentation 1: (Japan) spy opens the 2009-39024 communique
Patent documentation 2: (Japan) spy opens the 2000-50721 communique
When the technology that adopts patent documentation 1 to be put down in writing constituted dust exhaust, as the integral body covering suction port of suction dancing dervish rotary fan, suction dancing dervish rotary fan was in the state near suction port.When the technology shown in Figure 9 that adopts patent documentation 2 constituted dust exhaust, as roughly half covering suction port of suction dancing dervish rotary fan, suction dancing dervish rotary fan was in the state near suction port.Thus, the paddy stalk of transferring in the conveying plant enclosure interior is when being provided with the position of suction port, if stalk body and leaf are charged into the dust discharge cover from suction port, then stalk body and leaf are entangled on the suction dancing dervish rotary fan easily.In order to prevent that stalk body and leaf from charging into the dust discharge cover from suction port, if at suction port net is set, then stalk body and leaf are entangled in easily on the net.
Summary of the invention
The purpose of the utility model be to provide a kind of can be under the situation of the trouble of avoiding stalk body and leaf to be twined from the dust exhaust of the combine of conveying plant dust discharge.
The dust exhaust of the combine that the utility model first aspect provides acts on to sheller unit and supplies with from the conveying plant that extracts the paddy stalk that extracts device; This dust exhaust has the dust discharge cover; This dust discharge cover is arranged on the outside of said conveying plant housing with the state that is communicated with the suction port of the top plate portion of the conveying plant housing that is arranged on said conveying plant; Inside at said dust discharge cover; The suction dancing dervish rotary fan of axial flow shape is set to, so that the lower end part of rotational trajectory is in the circumferential edges or near the state it of said suction port, around the axle center rotation parallel with said top plate portion freely.
Formation according to the utility model first aspect; So that the state that the relative top plate portion of suction dancing dervish rotary fan erects; Near and so that the whole or roughly whole state in the outside that is positioned at suction port of suction dancing dervish rotary fan; Suction dancing dervish rotary fan is arranged on the inside of dust discharge cover; Even thereby the stalk body and the leaf of the paddy stalk of being transferred by conveying plant are charged into the dust discharge cover from suction port, this stalk body and leaf also are difficult to contact suction dancing dervish rotary fan, and suction dancing dervish rotary fan can produce attraction at suction port under this state.Because therefore the lower end part of the rotational trajectory of suction dancing dervish rotary fan, can not reduce the attraction that suction dancing dervish rotary fan produces at suction port near the circumferential edges of suction port or its.Thus, do not charge into the net of dust discharge cover from suction port, can make stalk body and leaf be difficult to contact suction dancing dervish rotary fan yet even be not provided for preventing stalk body and leaf.
Therefore, extract the conveying plant of paddy stalk, and it is effective to make the attraction of dust discharge effect, also can accesses and be difficult to take place caused the high-quality dust exhaust that dust discharge is bad by winding because of stalk body and leaf even require to act on to transfer with the state of long stalk.
In the utility model second aspect, said suction dancing dervish rotary fan is configured near the horizontal end of said top plate portion.
If it is big that the distance of the horizontal end from suction dancing dervish rotary fan to top plate portion becomes, then arrive falling on the top plate portion easily of lateral outer side midway towards the mobile dust of the lateral outer side of conveying plant from suction dancing dervish rotary fan.According to the utility model second aspect, make the distance shrinkage of self-priming dust discharge rotary fan to the lateral outer side of conveying plant, can make from suction dancing dervish rotary fan to be difficult to fall on the top plate portion towards the mobile dust of the lateral outer side of conveying plant.
Therefore, be difficult to take place to drop on from the dust that the dust discharge cover is discharged from the top plate portion and the phenomenon of being detained, thereby can possess excellent discharging performance.
In the utility model third aspect, the said relatively suction dancing dervish of the motor rotary fan that drives said suction dancing dervish rotary fan is configured in dust flow direction upstream side and is supported on the support portion of said dust discharge cover.
Formation according to the utility model third aspect; In suction dancing dervish rotary fan; Suck the inner dust of dust discharge cover from the conveying plant housing via suction port and flow, thereby make dust be difficult to flow into the position that contains motor with the state that passes through from a motor position side direction side opposite with motor position side.
Therefore, prevent that the sealing device structure of dust inflow motor is simple, and can obtain at an easy rate.
In addition; According to the formation of the utility model fourth aspect, said dust discharge cover has the attraction cover portion of the exterior side of the said top plate portion that is positioned at said conveying plant housing, across the discharge cover portion at the exterior side of the lateral piece of the horizontal sidepiece of said attraction cover portion and said conveying plant housing.
Formation according to the utility model the 5th aspect; When seeing along the axis direction of said suction dancing dervish rotary fan; The vertical section on top of attraction cover portion of accommodating the first half of said suction dancing dervish rotary fan is shaped as semicircle; When seeing along the axis direction of said suction dancing dervish rotary fan, the vertical section of bottom of said attraction cover portion of accommodating the latter half of said suction dancing dervish rotary fan is shaped as rectangle.
According to the formation of the utility model the 6th aspect, said dust discharge cover is communicated with said suction port through the intercommunicating pore that is arranged on the rectangle that attracts cover portion, forms the dust flow path from said suction port to the outlet that is formed on the bottom of discharging cover portion.
Formation according to the utility model the 7th aspect; When seeing along the axis direction of said suction dancing dervish rotary fan; The upper end sidepiece of said dust discharge cover becomes circular-arc along the peripheral shape of said suction dancing dervish rotary fan, the lower end sidepiece between the said top plate portion of the upper end of said dust discharge cover sidepiece and said conveying plant housing forms along the linearity of conveying plant above-below direction.
Formation according to the utility model eight aspect; When seeing along the axis direction of said suction dancing dervish rotary fan; The upper end sidepiece of said dust discharge cover becomes circular-arc along the peripheral shape of said suction dancing dervish rotary fan; Lower end sidepiece between the said top plate portion of the upper end of said dust discharge cover sidepiece and said conveying plant housing forms along the linearity of conveying plant above-below direction, and the sealing wallboard that will be used to seal gap between the lower end sidepiece of neighboring and said dust discharge cover of said suction dancing dervish rotary fan of two cross sides of said suction dancing dervish rotary fan bottom is arranged on the inside of said dust discharge cover.
Formation according to the utility model the 9th aspect; The rotation of the rotation back shaft one of said suction dancing dervish rotary fan is supported on said relatively suction dancing dervish rotary fan freely and is configured on the output shaft of electrodynamic type motor of dust flow direction upstream side, and said motor loading and unloading are installed on the flange-shape support portion of the columnar bracket end that is located at the set inside that attracts cover portion freely.
Formation according to the utility model the tenth aspect; Said suction dancing dervish rotary fan is supported on the support via said motor rotation freely; And rotated around promptly parallel axle center, the axle center of rotation back shaft with the said top plate portion of said conveying plant housing by said motor driven; On the base portion of the rotation back shaft of said suction dancing dervish rotary fan, the one rotation is equipped with freely and is used to prevent that dust from flowing into the seal closure of rotation back shaft and said motor.
Description of drawings
Fig. 1 is the whole end view of expression combine;
Fig. 2 is the whole vertical view of expression combine;
Fig. 3 is the vertical profile front view of expression conveying plant and dust exhaust;
Fig. 4 is the vertical view of expression dust exhaust;
Fig. 5 is the cross-sectional vertical view of expression dust exhaust;
Fig. 6 is that the VI-VI section of Fig. 3 is to view;
Fig. 7 is the vertical profile front view of the configuration part of the suction dancing dervish rotary fan in the expression dust exhaust;
Fig. 8 is the vertical profile front view of configuration part of the suction dancing dervish rotary fan in the dust exhaust of expression first other embodiment;
Fig. 9 is the vertical profile front view of configuration part of the suction dancing dervish rotary fan in the dust exhaust of expression second other embodiment;
Figure 10 is the vertical view of the dust exhaust of expression the 3rd other embodiment;
Figure 11 is the vertical view of the dust exhaust of expression the 4th other embodiment;
Figure 12 is the vertical view of the dust exhaust of expression the 5th other embodiment;
Figure 13 is the vertical view of the dust exhaust of expression the 6th other embodiment;
Figure 14 is the sketch map of drives structure of the suction dancing dervish rotary fan in the dust exhaust of expression the 7th other embodiment.
Description of reference numerals
5 sheller units; 11 conveying plants; 16 extract device; 20 conveying plant housings; 24 top plate portions; 26 suction ports; The 27a circumferential edges; 31 dust discharge covers; 32 suction dancing dervish rotary fans; The bottom of 32a rotational trajectory; 36b, the support portion of 37 dust discharge covers; 38 motors; The X axle center.
Specific embodiment
Below, with reference to the embodiment of accompanying drawing detailed description the utility model.
Fig. 1 is the whole end view of combine of expression the utility model embodiment.Fig. 2 is the whole vertical view of combine of expression the utility model embodiment.As depicted in figs. 1 and 2; The combine of the utility model embodiment comprises: through the crawler travel device 1 of pair of right and left; 1 goes, and have the horizontal one distolateral Drive Section 2 that is arranged on the front part of a body that goes and former moving portion 3 the body that goes, be arranged on the sheller unit 5 at organism frame 4 rear portions of this body that goes, be disposed at the granary 6 at Drive Section 2 rears at the rear portion of organism frame 4, be connected with the portion that extracts 10 of conveying plant 11 in the front portion of sheller unit 5.
This combine carries out the harvest operation of paddy rice, wheat etc.
Promptly; Through utilizing hydraulic cylinder 12 to make conveying plant 11 relative sheller units 5 swing up and down operation; Extract portion 10 and be elevated to decline job state and rising job state; This decline job state is meant that extracting portion's framework 13 descends and subaerial state, and this rising job state is meant portion's framework 13 rises to eminence from ground the state that extracts.If make the portion of extracting 10 drop to the decline job state and the body that goes gone; Then extracting portion 10 utilizes swiveling wheel 15 will plant upright paddy stalk to dial in the hairclipper type that is arranged on the front that extracts portion's framework 13 bottoms on one side and extract device 16; Extract on one side, through being arranged on the helical feed plate 17a that extracts the inner rotation auger 17 of portion's framework 13, be transplanted on the position, the place ahead of conveying plant 11 extracting the paddy stalk by extracting device 16; Dial in conveying arm 18 through being arranged on rotation on the auger 17; Slightly the whole paddy stalk that extracts from the stem root to fringe at the position, the place ahead that arrives conveying plant 11 is sent into conveying plant 11, supply to sheller unit 5 by conveying plant 11, wherein; Swiveling wheel 15 drives and rotates on the support arm 14,14 that is supported on the pair of right and left of extending freely from the base portion that extracts portion's framework 13 towards the place ahead swing descending operation freely.
Sheller unit 5 imports slightly whole from the rhizome to the fringe supplied with to threshing chamber (not shown) and extracts the paddy stalk and it is carried out threshing handle.Granary 6 is stored the grain of carrying through feedway 7 by sheller unit 5 discharges, discharges the grain of storing through the discharge auger 8 that is made up of helix transporting device.
As shown in figures 1 and 3; Conveying plant 11 is by the conveying plant housing 20 of tubular, a pair of ring-type swivel- chain 21,21 and transport body 22 formations, wherein; The conveying plant housing 20 of tubular is set to span to from the rear wall parts that extracts portion's framework 13 front wall portion of sheller unit 5, and its cross section is a rectangle; A pair of ring-type swivel- chain 21,21 drives and rotates freely along transversely arranged inside and the quilt that is arranged on conveying plant housing 20 of conveying plant; Transport on the length direction that body 22 is configured in ring-type swivel-chain 21 a plurality of positions and across being installed on a pair of ring-type swivel- chain 21,21.
Therefore; Conveying plant 11 is utilized in conveying plant 20 inside by a pair of ring-type swivel-chain 21; 21 transfer transport body 22; To extract the paddy stalk from what the paddy stalk that is positioned at the rear wall parts that extracts portion's framework 13 saw that mouthful (not shown) send into conveying plant housing 20 off through dialling in conveying arm 18, and only transport along the medial surface card of the base plate 23 of carrying housing 20, and be supplied in the paddy stalk input port (not shown) of the front wall portion of sheller unit 5.
As depicted in figs. 1 and 2; Conveying plant 11 has the dust exhaust that transports top portion 30 that is configured in conveying plant housing 20; Discharge and extract the dust such as native ash that the paddy stalk together gets into conveying plant housing 20 to conveying plant housing 20 is outside by dust exhaust 30, the paddy stalk that extracts of removing dust is supplied to sheller unit 5.And dust exhaust 30 is discharged to the position of leaving from Drive Section 2 through the dust that conveying plant housing 20 attracts in the generation of conveying plant 11 the place aheads.
Below, dust exhaust 30 is described.
Fig. 3 is the vertical section front view of expression dust exhaust 30.Fig. 4 is the vertical view of expression dust exhaust.Like Fig. 3 and shown in Figure 4, dust exhaust 30 have the outside that is arranged on conveying plant shell 20 dust discharge cover 31, be arranged on the suction dancing dervish rotary fan 32 (below be called rotary fan 32) of the inner axial flow shape of dust discharge cover 31.
As shown in Figure 6; When the rotary fan 32 axle center X of dust discharge cover 31 see; Upper end sidepiece 31U becomes circular-arc along the peripheral shape of rotary fan 32, the lower end sidepiece 31D between the top plate portion 24 of the upper end of dust discharge cover 31 sidepiece 31U and conveying plant housing 20 forms along the rectilinear form of conveying plant above-below direction.Attract the state of cover portion 33 to be arranged on dust discharge cover 31 inside to be integrally formed at resinous sealing wallboard 41, sealing wallboard 41 improves the dust discharge performance at two cross sides of rotary fan 32 bottoms with the clearance seal between the lower end sidepiece 31D of the neighboring of rotary fan 32 and dust discharge cover 31.The upper end 41a of sealing wallboard 41 is positioned at the low height and position than rotary fan 32 axle center X.The top 33U that attracts cover portion 33 and sealing wallboard 41 are brought into play function as the fan guard of rotary fan 32.
Like Fig. 5, Fig. 6 and shown in Figure 7, the circumferential edges 27 that the rotational trajectory bottom 32a that rotary fan 32 is configured to rotary fan 32 is arranged in suction port 26 is positioned near the part 27a with the horizontal end of the opposite side of Drive Section side of suction port 26 and near the horizontal end of the top plate portion 24 of conveying plant housing 20.The rotation of the rotation back shaft 32b one of rotary fan 32 is supported on relative rotary fan 32 freely and is configured on the output shaft 38a of electrodynamic type motor 38 of dust flow direction upstream side; Motor 38 is installed on the 36a of flange-shape support portion through the attachment screw loading and unloading freely; This flange-shape support portion 36a is positioned at the end of the cylinder-shaped bracket 36 that is arranged on the inside that attracts cover portion 33; Rotary fan 32 is supported on the support 36 through motor 38 rotations freely, and promptly rotates with the top plate portion 24 parallel axle center X of conveying plant housing 20 through motor 38 drivings and around the axle center of rotation back shaft 32b.Rotary fan 32 has seal closure 40 with the state that the one rotation is installed in the base portion of rotation back shaft 32b freely, and sealing cover 40 prevents that dust from flowing into rotation back shaft 32b and motor 32.
As shown in Figure 7; The support 36 that supports motor 38 is shaped on the horizontal side plate 37 that attracts cover portion 33 with the state that extends towards rotary fan 32 from the horizontal side plate 37 that attracts cover portion 33, on the horizontal side plate 37 that attracts cover portion 33, is formed with the operation opening 42 that is used to load and unload motor 38.Distribution trough 43 is formed on the support 36 with the moulding of support 36 simultaneously, and the electric wire 44 of CD-ROM drive motor 38 is drawn out to the outside that attracts cover portion 33 through distribution trough 43 from motor 38.Be useful in the set inside of support 36 and prevent that dust from getting into the motor cover 45 of motor 38 from the outside that attracts cover portion 33.Motor cover 45 is made up of sponge, embeds from operation opening 42 to be installed in the hole of support 36.The part of the peripheral edge portion of motor cover 45 gets into the inside of distribution trough 43, and electric wire 44 is clamp-oned the inside of distribution trough 43 and electric wire 44 is fixing.Attract the horizontal side plate 37 of cover portion 33 to extend to the upper end, and tilt the closer to rotary fan 32 the closer to the upper end from lower end 37p with configuration height lower than the configuration height of support 36.Be provided with the connection board 33r that mounting flange 33t is connected with horizontal side plate 37 to mounting flange 33t from the lower end 37p of horizontal side plate 37.Connect board 33r and be positioned at the position of leaving a little to the top from suction port 26, will be formed on the below that connects board 33r from the dust stream of end sidepiece 37d of suction port 26 towards the lower end of horizontal side plate 37.
Therefore; In dust exhaust 30, motor 38 drives and the X rotation around the axle center rotary fan 32, and rotary fan 32 performances are attracted and the air-supply effect; So that be created in the dust of the place ahead and conveying plant housing 20 inside of conveying plant 11; Flow into the inside that attracts cover portion 33 from suction port 26 through intercommunicating pore 33a, and around the support 36 to the conveying plant lateral flow, through rotary fan 32; In the upper end of discharging cover portion 34, flow; Under the guiding of the inclined inner surface 34b of the 34a of cover plate portion of the upper end of form discharging cover portion 34, flow direction is changed to towards the conveying plant below, be positioned at the below of the conveying plant 11 of the opposite side of allocation position side of Drive Section 3 to relative conveying plant 11 from outlet 35 and discharge.Flow into dust around the support 36 that attracts cover portions 33 from suction port 26 under the guide of flow that the inclination of horizontal side plate 37 is played, flow direction successfully is altered to towards the flow direction of rotary fan 32 flows.Particularly; The dust that attracts from end suction port 26 and the opposite side in rotary fan 32 positions; Dust stream through connecting board 33r below flows into the inside that attracts cover portion 33; Flow into to attract cover portion 33, then under the guide of flow that the inclination of the lower end of horizontal side plate 37 sidepiece 37d is played, flow direction successfully is altered to towards the flow direction of rotary fan 32 flows.
In dust exhaust 30; The bottom 32a of the rotational trajectory of rotary fan 32 is positioned near the horizontal end 24a of top plate portion 24 of conveying plant housing 20; Make from rotary fan 32 to top plate portion the distance of 24 horizontal end 24a shorten, thereby make dust through rotary fan 32 not drop on the upper surface of top plate portion 24 and fall towards the outlet 35 of discharging cover portion 34.
(first other embodiment)
Fig. 8 is the vertical profile front view of configuration part of the suction dancing dervish rotary fan 32 in the dust exhaust 30 of expression first other embodiment.As shown in the drawing, in the dust exhaust 30 of first other embodiment, dust discharge cover 31 is different with the dust exhaust 30 of the foregoing description with the structure that supports motor 38, and structure in addition is identical with the dust exhaust of the foregoing description 30.
In the dust exhaust 30 of first other embodiment, dust discharge cover 31 has the attraction cover portion 33 of being processed by metallic plate of top plate portion 24 exterior sides that are arranged on conveying plant housing 20, across the discharge cover portion 34 that is formed from a resin of lateral piece 25 exterior sides of horizontal sidepiece that is arranged on this attraction cover portion 33 and conveying plant housing 20.Attracting cover portion 33 end to be connected to each other through connecting bolt with discharge cover portion 34 links together.
Attract the horizontal side plate 37 of cover portion 33 to have the upside board 37a that connects support 36 postures and be vertical more, the downside board 37b that the posture between the top plate portion 24 of this upside board 37a and conveying plant housing 20 tilts.Downside board 37b has the closer to the more little inclined inner surface 37c in interval between support 36 itself and the rotary fan 32.Inclined inner surface 37c attracts the dust of cover portion 33 to play the guide of flow effect for flowing into from suction port 26.Thus, from suction port 26 to conveying plant top flow and flow into the dust that attracts cover portion 33 arrive support 36 around the time, make flow direction successfully change to the horizontal flow direction of conveying plant, dust is difficult to stall near support 36.Dust discharge cover 31 has the inclined lead part 31a that the dust pilot flow direction that the bottom from rotary fan 32 is fallen is discharged cover portion 34.
In the dust exhaust 30 of first other embodiment, be configured for supporting the support 36 of motor 38 by columnar metallic plate, around the operation opening 42 that is arranged at the cross wall portion 37 that attracts cover portion 33, support 36 is connected in the cross wall portion 37 through connecting bolt.
(second other embodiment)
Fig. 9 is the vertical profile front view of configuration part of the suction dancing dervish rotary fan 32 in the dust exhaust 30 of expression second other embodiment.As shown in the drawing, in the dust exhaust 30 of second other embodiment, dust discharge cover 31 is different with the dust exhaust 30 of the foregoing description with the structure that supports motor 38 and suction dancing dervish rotary fan 32, and structure in addition is identical with the dust exhaust of the foregoing description 30.
In the dust exhaust 30 of second other embodiment, dust discharge cover 31 has the identical structure of conveying plant housing 20 in the dust exhaust 30 with first other embodiment.
In the dust exhaust 30 of second other embodiment, be arranged at the state of the motor installing hole of the cross wall portion 37 that attracts cover portion 33 with embedding, through connecting bolt motor 38 loading and unloading are connected in the cross wall portion 37 freely.
In the dust exhaust 30 of second other embodiment, on the support portion 36a that the rotation back shaft 32b of suction dancing dervish rotary fan 32 is supported on be arranged at support 36 ends and the output shaft 38a of motor 38.Rotation back shaft 32b is connected on the output shaft 38a of motor 38 through the rotation of connector 39 one freely.
(the 3rd other embodiment)
Figure 10 is the vertical view of the dust exhaust 30 of expression the 3rd other embodiment.In the dust exhaust 30 of the 3rd other embodiment, the rotational trajectory lower end part that rotary fan 32 is arranged to make rotary fan 32 in the circumferential edges 27 of suction port 26 directly over the part of the rear side configuration of suction port 26.
(the 4th other embodiment)
Figure 11 is the vertical view of the dust exhaust 30 of expression the 4th other embodiment.In the dust exhaust 30 of the 4th other embodiment, the rotational trajectory lower end part that rotary fan 32 is arranged to make rotary fan 32 in the circumferential edges 27 of suction port 26 directly over the part of the place ahead side configuration of suction port 26.
(the 5th other embodiment)
Figure 12 is the vertical view of the dust exhaust 30 of expression the 5th other embodiment.In the dust exhaust 30 of the 5th other embodiment, with rotary fan 32 be arranged to make the rotational trajectory lower end part of rotary fan 32 in the circumferential edges 27 of suction port 26, be positioned at the bight part in cross end side the place ahead of the opposite side of Drive Section side of suction port 26 directly over.
(the 6th other embodiment)
Figure 13 is the vertical view of the dust exhaust 30 of expression the 6th other embodiment.In the dust exhaust 30 of the 6th other embodiment, with rotary fan 32 be arranged to make the rotational trajectory lower end part of rotary fan 32 in the circumferential edges 27 of suction port 26, be positioned at the bight part of the cross end side rear side of the opposite side of Drive Section side of suction port 26 directly over.
(the 7th other embodiment)
Figure 14 is the sketch map of drives structure of suction dancing dervish rotary fan 32 in the dust exhaust 30 of expression the 7th other embodiment.In the dust exhaust 30 of the 7th other embodiment; Be provided with the drives structure of suction dancing dervish rotary fan 32 as the conveying plant driving shaft 50 that extracts portion's driving shaft, so that drive force suction dancing dervish rotary fan 32 through being delivered to via driving and conveying belt 50a from former moving portion 3.
Promptly; The drives structure of suction dancing dervish rotary fan 32 has tightener sprocket 53, drive pulley 54 and fans drive belt wheel 56; Wherein, Tightener sprocket 53 with engage to the ring-type swivel-chain 52 extract device driving shaft 51 transmission of power from conveying plant driving shaft 50 and make 52 tensionings of ring-type swivel-chain; The rotation of drive pulley 54 one is arranged on the rotating shaft that supports this tightener sprocket 53 freely, and fans drive belt wheel 56 is to be arranged on the rotation back shaft 32b of rotary fan 32 through the state one rotation of driving and conveying belt 55 with these drive pulley 54 interlocks freely.
Promptly; To be delivered to the driving force that extracts device driving shaft 51 from conveying plant driving shaft 50; Take out and be delivered to drive pulley 54 through tightener sprocket 53; Be delivered to rotation back shaft 32b via drive pulley 54, driving and conveying belt 55 and fans drive belt wheel 56 speedups, drive suction dancing dervish rotary fan 32 thus.
(other embodiment)
(1) in the above embodiments, represented on the top plate portion 24 of conveying plant housing 20, to be provided with the example of rectangle suction port 26, still, for example circular, the oval-shaped suction port 26 of different shape except that rectangle can be set also.
(2) in the above embodiments; Also can rotary fan 32 be configured to; Be located at top plate portion 24 horizontal end 24a directly over state; Be the state that rotary fan 32 stretches out to the lateral outer side of the horizontal end 24a of top plate portion 24, perhaps be in suction port 26 circumferential edges 27 (part 27a) directly over state, promptly rotary fan 32 is compared circumferential edges 27 (part 27a) and is got into the inboard state of suction port 26.
Industrial applicibility
Except being stored in granary 6 from the grain of threshing device 5; And discharge beyond the dust exhaust that combine possessed of the auger discharge type that augers 8 take out from granary 6 utilization; The present invention also can be applied to the grain from threshing device 5 is stored in the pack storehouse, and is fetched on the dust exhaust that combine possessed of pack type of paddy bag from the pack storehouse.
Claims (10)
1. the dust exhaust of a combine acts on extracting the paddy stalk on the conveying plant (11) that sheller unit (5) is supplied with from what extract device (16), it is characterized in that,
Said dust exhaust has dust discharge cover (31), and this dust discharge cover (31) is arranged at said conveying plant housing (20) outside with the state that is communicated with the suction port (26) of the top plate portion (24) of the conveying plant housing (20) that is arranged at said conveying plant (11);
Inside at said dust discharge cover (31); So that the bottom of rotational trajectory (32a) is positioned at the circumferential edges (27a) of said suction port (26) or near the state this circumferential edges (27a), be provided with the suction dancing dervish rotary fan (32) of axial flow shape freely around axle center (X) rotation parallel with said top plate portion (24).
2. the dust exhaust of combine as claimed in claim 1 is characterized in that,
Said suction dancing dervish rotary fan (32) is configured near the horizontal end of said top plate portion (24).
3. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Motor (38) the said relatively suction dancing dervish rotary fan (32) that will be used to drive said suction dancing dervish rotary fan (32) is configured in dust flow direction upstream side and is supported on the support portion (36b, 37) of said dust discharge cover (31).
4. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Said dust discharge cover (31) has the attraction cover portion (33) of the exterior side of the said top plate portion (24) that is positioned at said conveying plant housing (20), across discharge cover portion (34) at the exterior side of the lateral piece (25) of the horizontal sidepiece of said attraction cover portion (33) and said conveying plant housing (20).
5. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
The axle center (X) of the said suction dancing dervish rotary fan in edge (32) is when direction is seen; The vertical section on top (33U) of attraction cover portion (33) of accommodating the first half of said suction dancing dervish rotary fan (32) is shaped as semicircle; Along the axle center (X) when direction is seen of said suction dancing dervish rotary fan (32), the vertical section of bottom (33D) of said attraction cover portion (33) of accommodating the latter half of said suction dancing dervish rotary fan (32) is shaped as rectangle.
6. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Said dust discharge cover (31) is communicated with said suction port (26) through the intercommunicating pore (33a) that is arranged on the rectangle that attracts cover portion (33), forms the dust flow path from said suction port (26) to the outlet (35) that is formed on the bottom of discharging cover portion (34).
7. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Along the axle center (X) when direction is seen of said suction dancing dervish rotary fan (32), the upper end sidepiece (31U) of said dust discharge cover (31) becomes circular-arc along the peripheral shape of said suction dancing dervish rotary fan (32),
The lower end sidepiece (31D) that is positioned between the said top plate portion (24) of upper end sidepiece (31U) and said conveying plant housing (20) of said dust discharge cover (31) forms along the linearity of conveying plant above-below direction.
8. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Along the axle center (X) when direction is seen of said suction dancing dervish rotary fan (32), the upper end sidepiece (31U) of said dust discharge cover (31) becomes circular-arc along the peripheral shape of said suction dancing dervish rotary fan (32),
The lower end sidepiece (31D) that is positioned between the said top plate portion (24) of upper end sidepiece (31U) and said conveying plant housing (20) of said dust discharge cover (31) forms along the linearity of conveying plant above-below direction,
The sealing wallboard (41) that will be used to seal gap between the lower end sidepiece (31D) of neighboring and said dust discharge cover (31) of said suction dancing dervish rotary fan (32) of two cross sides of said suction dancing dervish rotary fan (32) bottom is arranged on the inside of said dust discharge cover (31).
9. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
The rotation of rotation back shaft (32b) one of said suction dancing dervish rotary fan (32) is supported on said relatively suction dancing dervish rotary fan (32) freely and is configured on the output shaft (38a) of electrodynamic type motor (38) of dust flow direction upstream side,
Said motor (38) loading and unloading are installed on the flange-shape support portion (36a) of columnar support (36) end that is located at the set inside that attracts cover portion (33) freely.
10. according to claim 1 or claim 2 the dust exhaust of combine is characterized in that,
Said suction dancing dervish rotary fan (32) is supported on the support (36) via said motor (38) rotation freely; And driven and promptly parallel axle center (X) rotation with the said top plate portion (24) of said conveying plant housing (20) around the axle center of rotation back shaft (32b) by said motor (38)
On the base portion of the rotation back shaft (32b) of said suction dancing dervish rotary fan (32), the one rotation is equipped with freely and is used to prevent that dust from flowing into the seal closure (40) of rotation back shaft (32b) and said motor (38).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010187259A JP5227378B2 (en) | 2010-08-24 | 2010-08-24 | Combine dust remover |
| JP2010-187259 | 2010-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285605U true CN202285605U (en) | 2012-07-04 |
Family
ID=45900526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203099646U Expired - Lifetime CN202285605U (en) | 2010-08-24 | 2011-08-24 | Dust exhaust device of combine harvester |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5227378B2 (en) |
| CN (1) | CN202285605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106105579A (en) * | 2012-07-10 | 2016-11-16 | 株式会社久保田 | Harvester |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6830417B2 (en) * | 2017-07-28 | 2021-02-17 | ヤンマーパワーテクノロジー株式会社 | combine |
| US11771008B1 (en) * | 2019-03-19 | 2023-10-03 | Aron Hawley | Combine crop trash removal system |
| JP6868231B2 (en) * | 2019-10-30 | 2021-05-12 | 井関農機株式会社 | combine |
| JP2021061865A (en) * | 2021-01-25 | 2021-04-22 | ヤンマーパワーテクノロジー株式会社 | combine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10299695A (en) * | 1997-04-30 | 1998-11-10 | Toshiba Corp | Axial flow fan |
| JP3499453B2 (en) * | 1998-09-30 | 2004-02-23 | 株式会社クボタ | Combine dust suction device |
| JP2002119123A (en) * | 2000-10-16 | 2002-04-23 | Iseki & Co Ltd | Combine harvester |
| JP4521018B2 (en) * | 2007-08-08 | 2010-08-11 | 株式会社クボタ | Combine dust remover |
-
2010
- 2010-08-24 JP JP2010187259A patent/JP5227378B2/en active Active
-
2011
- 2011-08-24 CN CN2011203099646U patent/CN202285605U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106105579A (en) * | 2012-07-10 | 2016-11-16 | 株式会社久保田 | Harvester |
| CN106105579B (en) * | 2012-07-10 | 2020-01-17 | 株式会社久保田 | Harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5227378B2 (en) | 2013-07-03 |
| JP2012044879A (en) | 2012-03-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
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| CX01 | Expiry of patent term |