JP5707979B2 - Combiner power structure - Google Patents

Combiner power structure Download PDF

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JP5707979B2
JP5707979B2 JP2011018436A JP2011018436A JP5707979B2 JP 5707979 B2 JP5707979 B2 JP 5707979B2 JP 2011018436 A JP2011018436 A JP 2011018436A JP 2011018436 A JP2011018436 A JP 2011018436A JP 5707979 B2 JP5707979 B2 JP 5707979B2
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fan
radiator
dust
raised portion
shield
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JP2012158235A (en
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北川　智志
智志 北川
和樹 光山
和樹 光山
齋藤　学
学 齋藤
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Iseki and Co Ltd
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Description

この発明は、コンバインの原動部構造に関する。   The present invention relates to a prime mover structure of a combine.

特許文献１には、ラジエータの前面を覆う防塵カバーの塵埃を除去する正逆転可能な防塵ファンを設け、防塵カバー前面に付着の塵埃を除去する時には、防塵ファンを逆転させて起風を防塵カバー側方向に送り、ラジエータファンによる冷却風がラジエータ及びエンジン側に移動する時には、防塵ファンを正転させてこれによる起風を、それと同方向に送るようにして冷却効率を高めるようにした技術が開示されている。   In Patent Document 1, a dustproof fan that can be rotated forward and backward to remove dust from the dustproof cover that covers the front surface of the radiator is provided. When the cooling air sent by the radiator fan is moved to the radiator and engine side, the dust-proof fan is rotated forward so that the wind generated by this is sent in the same direction to improve the cooling efficiency. It is disclosed.

特開平９−２８７４５３号公報JP-A-9-287453

上記従来構成のものでは、防塵ファンの回転方向を正逆転方向に切り替える必要があって構成が複雑であり、除塵効果も十分に発揮し得ない問題がある。
本発明の課題は、防塵ファンの回転方向を切り替えることなく除塵作用が容易に行え、除塵効果も十分に発揮し得るコンバインの原動部構造を提供する。 In the above conventional configuration, there is a problem that it is necessary to switch the rotation direction of the dustproof fan to the forward / reverse direction, the configuration is complicated, and the dust removal effect cannot be sufficiently exhibited.
An object of the present invention is to provide a prime mover structure for a combine that can easily perform dust removal without switching the rotation direction of a dustproof fan and that can sufficiently exhibit a dust removal effect.

この発明は、上記課題を解決すべく次のような技術的手段を講じた。
すなわち、請求項１記載の発明は、エンジン（Ｅ）の外側にラジエータ（１１）を設け、該エンジン（Ｅ）とラジエータ（１１）の間にエンジン（Ｅ）で駆動されるエンジン（Ｅ）冷却用の第１ファン（１２）を設け、前記ラジエータ（１１）の外側に防塵網（１６）を設け、該ラジエータ（１１）と防塵網（１６）の間には前記第１ファン（１２）と同一方向に送風する第２ファン（１３）を設け、前記ラジエータ（１１）と第２ファン（１３）との間に遮蔽体（２０）を設け、該遮蔽体（２０）を、前記第２ファン（１３）からラジエータ（１１）側への送風が通過可能な通風状態と第２ファン（１３）からラジエータ（１１）側への送風を遮断する遮蔽状態とに切替可能な構成とし、前記防塵網（１６）には、前記第２ファン（１３）に対応する部分のみに、外側に張出した隆起部（１２ａ）を設けると共に、この隆起部（１６ａ）に第２ファン（１３）の全部を入り込ませて配置し、前記第２ファン（１３）からラジエータ（１１）側への送風が、前記遮蔽状態に切り替えられた遮蔽体（２０）によって、前記第２ファン（１３）の軸心方向に対して垂直な方向に案内され、前記隆起部（１６ａ）から吹出されてこの隆起部（１６ａ）の周辺の網面に沿う風によって、前記隆起部（１６ａ）の周辺の網面に付着した塵埃が除去される構成としたことを特徴とするコンバインの原動部構造とした。 In order to solve the above problems, the present invention has taken the following technical means.
That is, according to the present invention, the radiator (11) is provided outside the engine (E), and the engine (E) cooling driven by the engine (E) is provided between the engine (E) and the radiator (11). The first fan (12) is provided, a dust screen (16) is provided outside the radiator (11), and the first fan (12) is disposed between the radiator (11) and the dust screen (16). A second fan (13) for blowing air in the same direction is provided, a shield (20) is provided between the radiator (11) and the second fan (13), and the shield (20) is connected to the second fan. The dust-proof net is configured to be switchable between a ventilation state in which ventilation from the (13) to the radiator (11) can pass and a shielding state in which ventilation from the second fan (13) to the radiator (11) is blocked. the (16), said second fan (13) Corresponding only to the portion, ridges out outside Zhang provided with a (12a), to the raised portion (16a) by entering the entire part of the second fan (13) is arranged, from the second fan (13) The air flow toward the radiator (11) is guided in a direction perpendicular to the axial direction of the second fan (13) by the shield (20) switched to the shield state, and the raised portion (16a) ) And the dust along the mesh surface around the raised portion (16a) is removed from the dust attached to the mesh surface around the raised portion (16a) . The driving part structure is adopted.

防塵網（１６）に付着した塵埃を除去する場合には、遮蔽体（２０）を閉じて遮蔽状態に切り替える。第２ファン（１３）の回転によって起風される風が防塵網（１６）の隆起部からこの隆起部の周辺の網面に沿って吹出され、網面に付着する塵埃を吹き飛ばして除去することができる。   When removing dust adhering to the dust net (16), the shield (20) is closed and switched to the shielding state. The wind generated by the rotation of the second fan (13) is blown out from the raised portion of the dust-proof net (16) along the net surface around the raised portion, and the dust adhering to the net surface is blown away and removed. Can do.

通常のエンジン冷却時には、遮蔽体（２０）を開いて通風状態に切り替えることで、第１ファン（１２）と第２ファン（１３）からの送風によってラジエータ（１１）を冷却するので、冷却効率を高めることができる。   During normal engine cooling, the radiator (11) is cooled by blowing air from the first fan (12) and the second fan (13) by opening the shield (20) and switching to the ventilation state. Can be increased.

請求項２記載の発明は、前記遮蔽体（２０）の遮蔽状態において、第２ファン（１３）からの送風を防塵網（１６）の隆起部（１６ａ）の外側面に沿って案内する導風体（２２）を設けたことを特徴とする請求項１記載のコンバインの原動部構造とした。 According to a second aspect of the present invention , the wind guide body guides the air blown from the second fan (13) along the outer surface of the raised portion (16a) of the dust net (16) in the shielded state of the shield body (20). (22) It provided, It was set as the drive part structure of the combine of Claim 1 characterized by the above-mentioned.

第２ファン（１３）によって送風される風は、導風体（２２）により隆起部（１６ａ）に沿って案内されるので、隆起部外面に沿って勢いよく吹き出されることになり、除塵効果を高めることができる。Since the wind blown by the second fan (13) is guided along the raised portion (16a) by the wind guide body (22), it will be blown out vigorously along the outer surface of the raised portion, and the dust removal effect will be reduced. Can be increased.

請求項３記載の発明は、前記遮蔽体（２０）の遮蔽状態において、第２ファン（１３）からの送風を防塵網（１６）の隆起部（１６ａ）の外側面に向けて案内する導風体（２２）を設けたことを特徴とする請求項1又は請求項２記載のコンバインの原動部構造とした。According to a third aspect of the present invention, the wind guide body guides the air blown from the second fan (13) toward the outer surface of the raised portion (16a) of the dust net (16) in the shielded state of the shield (20). (22) It provided, It was set as the drive part structure of the combine of Claim 1 or Claim 2 characterized by the above-mentioned.
ラジエータ（１１）の外側を迂回させて伝動する構成に比べて伝動構成を簡素化できる。The transmission configuration can be simplified as compared with the configuration in which the outside of the radiator (11) is bypassed.

請求項１記載の発明によれば、防塵網（１６）に付着した塵埃除去時には、遮蔽体（２０）を遮蔽状態に切り替えることで、遮蔽体（２０）によって第２ファン（１３）の軸心に対して垂直な方向に案内されて防塵網（１６）の隆起部（１６ａ）から吹出される風によって防塵網（１６）に付着する塵埃を除去することができ、第２ファン（１３）の回転方向を逆転方向の切替を要しないので、構成を簡単にすることができる。   According to the first aspect of the present invention, when the dust attached to the dust net (16) is removed, the shielding body (20) is switched to the shielding state so that the shielding body (20) causes the axis of the second fan (13). The dust adhering to the dust net (16) can be removed by the wind blown from the raised portion (16a) of the dust net (16) guided in the direction perpendicular to the dust net, and the second fan (13) Since it is not necessary to switch the rotation direction to the reverse rotation direction, the configuration can be simplified.

また、遮蔽体（２０）を遮蔽状態に切換えた状態においても、防塵網（１６）の隆起部（１６ａ）以外の部位から第１ファン（１２）によって吸い込んだ外気でラジエータ（１１）を冷却することができるので、ラジエータ（１１）の冷却効率を高めることができる。   Even in the state where the shield (20) is switched to the shield state, the radiator (11) is cooled by the outside air sucked by the first fan (12) from a portion other than the raised portion (16a) of the dust net (16). Therefore, the cooling efficiency of the radiator (11) can be increased.

請求項２記載の発明によれば、上記請求項１記載の発明による効果に加えて、前記第２ファン（１３）によって送風される風が導風体（２２）により隆起部（１６ａ）に向けて案内されるので、風を隆起部（１６ａ）に沿わせて吹出すことができ、この隆起部（１６ａ）に付着した塵埃を除去することができる。 According to the invention described in claim 2, in addition to the effect of the invention described in claim 1 , the air blown by the second fan (13) is directed toward the raised portion (16a) by the air guide body (22). Since it is guided, the wind can be blown out along the raised portion (16a), and dust attached to the raised portion (16a) can be removed.

請求項３記載の発明によれば、上記請求項１又は請求項２記載の発明による効果に加えて、第１ファン（１２）と第２ファン（１３）をラジエータ（１１）を貫通させたファン駆動軸（１４）によって駆動する構成であるため、ラジエータ（１１）の外側を迂回させて伝動する構成に比べて伝動構成を簡潔にすることができる。 According to invention of Claim 3, in addition to the effect by the invention of Claim 1 or Claim 2, the fan which made the 1st fan (12) and the 2nd fan (13) penetrate the radiator (11) Since it is a structure driven by a drive shaft (14), a transmission structure can be simplified compared with the structure which detours the outer side of a radiator (11) and transmits.

コンバインの側面図Combine side view コンバインの平面図Top view of the combine ラジエータ除塵装置の要部の展開側断面図Exploded side sectional view of the main part of the radiator dust remover 同上要部の斜視図Perspective view of the main part 遮蔽体要部の分解斜視図Disassembled perspective view of the main part of the shield ラジエータカバーの斜視図Radial cover perspective view 図６のＳ１−Ｓ１断面図S1-S1 sectional view of FIG. 図６のＳ２−Ｓ２断面図S2-S2 sectional view of FIG. ファン伝動構成の別実施例を示す伝動経路図Transmission path diagram showing another embodiment of the fan transmission configuration

この発明の実施例を図面に基づき説明する。
図１及び図２は、コンバインを示すもので、下部に走行クローラ２を備えた走行車体１上には、後部に脱穀部（脱穀装置）３を搭載し、その前方部に刈取部４を設置し，刈取部４の横側部には運転席５、ステップフロア６や操作ボックス７等からなる乗用運転部を備え、更に、その乗用運転部の後方には脱穀粒を一時的に貯留するグレンタンク８を装備している。 An embodiment of the present invention will be described with reference to the drawings.
1 and 2 show a combine. On a traveling vehicle body 1 having a traveling crawler 2 at the bottom, a threshing unit (threshing device) 3 is mounted at the rear, and a cutting unit 4 is installed at the front thereof. The side portion of the mowing unit 4 includes a driver's seat 5 including a driver's seat 5, a step floor 6, an operation box 7, and the like. Further, a grain that temporarily stores threshing grains behind the passenger's driver. Equipped with tank 8.

操作ボックス７上には、前後方向の操作で刈取部４を昇降制御し、左右方向の操作できたいを旋回制御するパワステレバー９が装備されている。また、運転席横側の操作プレート上には、前後方向の操作で機体の前後進制御を司る変速レバー（ＨＳＴレバー）１０が装備されている。   A power steering lever 9 is provided on the operation box 7 to control the lifting and lowering of the cutting unit 4 by the operation in the front-rear direction and to turn the operation to be operated in the left-right direction. Further, a shift lever (HST lever) 10 is provided on the operation plate on the side of the driver's seat to control the forward / backward movement of the machine body in the front-rear direction.

運転席５下方の機台上にはエンジンＥが搭載されている。エンジンＥの外側に設置されたラジエータ１１の内側にエンジンＥにより駆動される第１ファン（冷却ファン）１２が設けられ、該ラジエータ１１の外側にはエンジンＥにより駆動される第２ファン（除塵ファン）１３が設けられている。   An engine E is mounted on the machine base below the driver's seat 5. A first fan (cooling fan) 12 driven by the engine E is provided inside a radiator 11 installed outside the engine E, and a second fan (dust removal fan) driven by the engine E is provided outside the radiator 11. ) 13 is provided.

第１ファン１２及び第２ファン１３は、エンジンＥと直結するファン駆動軸１４により回転駆動するようラジエータ１１を貫通させて連動連結している。第２ファン１３の回転方向は第１ファン１２の回転方向と同じで、送風方向も同一方向としている。第２ファン１３の外側は防塵網１６を備えたラジエータカバー１５によってカバーされるようになっている。   The first fan 12 and the second fan 13 are linked to each other through the radiator 11 so as to be driven to rotate by a fan drive shaft 14 directly connected to the engine E. The rotation direction of the second fan 13 is the same as the rotation direction of the first fan 12, and the blowing direction is also the same direction. The outside of the second fan 13 is covered by a radiator cover 15 having a dustproof net 16.

ラジエータ１１と第２ファン１３との間には、開閉可能な遮蔽体２０が設けられている。この遮蔽体２０は、第１ファン１２及び第２ファン１３による送風が通過可能な状態と遮蔽する状態とに切り替えができるようになっており、鎧戸式の開閉シーブ１９によって揺動開閉自在に構成されている。なお、開閉シーブ１９は駆動モータ２１等で開閉駆動するように構成しておくとよい。   A shield 20 that can be opened and closed is provided between the radiator 11 and the second fan 13. The shield 20 can be switched between a state where the air blown by the first fan 12 and the second fan 13 can pass and a state where the air is shielded, and can be swingably opened and closed by an armored door opening / closing sheave 19. Has been. The open / close sheave 19 may be configured to be opened / closed by a drive motor 21 or the like.

また、上記の開閉シーブ１９は、駆動モータ２１の正逆転駆動によって所定時間毎に開閉シーブ「開」の通風状態と開閉シーブ「閉」の遮蔽状態とに繰り返し切り替えができるように構成することができる。   The open / close sheave 19 can be configured to be repeatedly switched between a ventilation state of the open / close sheave “open” and a shield state of the open / close sheave “closed” every predetermined time by forward / reverse drive of the drive motor 21. it can.

前記防塵網１６には、前記第２ファン１３に対応する部位において外側に向けて膨出する隆起部１６ａが設けられている。そして、この隆起部１６ａの内側には防塵網１６の隆起部以外の部位よりも外側に位置して前記第２ファン１３を配置する構成としている。また、前記遮蔽体２０は、第２ファン１３の軸芯方向視で隆起部１６ａに対応する部位にのみ配置した構成としている。   The dust net 16 is provided with a raised portion 16 a that bulges outward at a portion corresponding to the second fan 13. The second fan 13 is arranged inside the raised portion 16 a so as to be located outside the portion other than the raised portion of the dust-proof net 16. In addition, the shield 20 is configured to be disposed only at a portion corresponding to the raised portion 16 a when viewed in the axial direction of the second fan 13.

遮蔽体２０の開閉シーブを閉じてラジエータ側への通風を遮断した状態においては、第２ファン１３による送風を防塵網１６の隆起部１６ａに向けて案内する導風体２２（図８参照）が設けられている。これにより、第２ファン１３によって送風される風が導風体２２の作用を受けて隆起部２２の外面に沿って導入案内されることになり、隆起部外面に付着する塵埃を確実に取り除くことができる。   In a state where the open / close sheave of the shield 20 is closed and the ventilation to the radiator side is blocked, an air guide 22 (see FIG. 8) for guiding the air blown by the second fan 13 toward the raised portion 16a of the dustproof net 16 is provided. It has been. As a result, the wind blown by the second fan 13 is guided and guided along the outer surface of the raised portion 22 under the action of the air guide 22, and dust attached to the outer surface of the raised portion can be reliably removed. it can.

刈取作業時において、枕地などでの機体旋回時には、この旋回動作に関連して前記遮蔽体２０を遮蔽状態に切り替えできるように連動構成することができる。かかる構成によると、機体を旋回する毎に、例えば、パワステレバー９による左右方向の旋回操作に連動して開閉シーブ１９を「閉」の状態に切り替え、外側の防塵網側に送風して除塵することができる。   At the time of harvesting, when the vehicle is turning on a headland or the like, the shield 20 can be configured to be linked to the shielding state in relation to the turning operation. According to this configuration, each time the aircraft is turned, for example, the open / close sheave 19 is switched to the “closed” state in conjunction with the turning operation in the left-right direction by the power steering lever 9, and the dust is blown out to the outside dust-proof net side. be able to.

また、別の構成例として、機体の後進時に、例えば、変速レバー１０を後進側に切替操作すると、開閉シーブを閉じて遮蔽状態に切り替える手段をとることもできるし、刈取部４の非作業位置への上昇動作に関連して遮蔽体２０を遮蔽状態に切り替える手段、つまり、刈取作業中に、例えば、パワステレバー９の操作で、刈取部を非作業位置まで上昇操作すると、刈取部の非作業位置への上昇検出結果に基づき、開閉シーブ１９を自動的に「閉」にし、ラジエータ側への送風を遮断することによって除塵ファンによる送風を防塵網側に切り替えるように構成することもできる。   As another configuration example, for example, when the shift lever 10 is switched to the reverse side when the aircraft is moving backward, a means for closing the open / close sheave and switching to the shielding state can be taken. Means for switching the shield 20 to the shielding state in relation to the upward movement operation, that is, during the cutting operation, for example, by operating the power steering lever 9 to raise the cutting portion to the non-working position, the cutting portion is not operated. Based on the detection result of the rise to the position, the open / close sheave 19 can be automatically “closed” to block the blowing to the radiator side, thereby switching the blowing by the dust removal fan to the dust-proof net side.

なお、ファン伝動構成の別実施例として、図９に示すように、エンジンと直結する第１ファン１２軸から第１伝動ベルト２４、伝動軸２５、第２伝動ベルト２６を介して第２ファン１３を回転駆動する（第１・第２ファン同一回転又は第２ファンの逆転構成をとる場合でも）ようにラジエータ１１の側方又は上方或は下方を迂回して動力伝達する構成をとることもできるが、このような動力伝達方式に比べて、上記したようにラジエータを貫通して動力伝達する構成の方が最も合理的で簡素な伝動構成とすることができる。   As another example of the fan transmission configuration, as shown in FIG. 9, the second fan 13 is connected from the first fan 12 shaft directly connected to the engine through the first transmission belt 24, the transmission shaft 25, and the second transmission belt 26. It is also possible to adopt a configuration in which power is transmitted by bypassing the side of the radiator 11 or above or below the radiator 11 so as to rotate the motor (even when the first and second fans rotate in the same direction or the reverse rotation of the second fan). However, as compared with such a power transmission system, the configuration that transmits power through the radiator as described above can be the most rational and simple transmission configuration.

Ｅ エンジン
１１ ラジエータ
１２ 第１ファン（冷却ファン）
１３ 第２ファン（除塵ファン）
１４ ファン駆動軸
１５ ラジエータカバー
１６ 防塵網
１６ａ 隆起部
１９ 開閉シーブ
２０ 遮蔽体
２２ 導風体 E Engine 11 Radiator 12 First fan (cooling fan)
13 Second fan (dust removal fan)
14 Fan drive shaft 15 Radiator cover 16 Dust-proof net 16a Raised portion 19 Opening / closing sheave 20 Shielding body 22 Air guide body

Claims (3)

エンジン（Ｅ）の外側にラジエータ（１１）を設け、該エンジン（Ｅ）とラジエータ（１１）の間にエンジン（Ｅ）で駆動されるエンジン（Ｅ）冷却用の第１ファン（１２）を設け、
前記ラジエータ（１１）の外側に防塵網（１６）を設け、該ラジエータ（１１）と防塵網（１６）の間には前記第１ファン（１２）と同一方向に送風する第２ファン（１３）を設け、
前記ラジエータ（１１）と第２ファン（１３）との間に遮蔽体（２０）を設け、該遮蔽体（２０）を、前記第２ファン（１３）からラジエータ（１１）側への送風が通過可能な通風状態と第２ファン（１３）からラジエータ（１１）側への送風を遮断する遮蔽状態とに切替可能な構成とし、前記防塵網（１６）には、前記第２ファン（１３）に対応する部分のみに、外側に張出した隆起部（１２ａ）を設けると共に、この隆起部（１６ａ）に第２ファン（１３）の全部を入り込ませて配置し、
前記第２ファン（１３）からラジエータ（１１）側への送風が、前記遮蔽状態に切り替えられた遮蔽体（２０）によって、前記第２ファン（１３）の軸心方向に対して垂直な方向に案内され、前記隆起部（１６ａ）から吹出されてこの隆起部（１６ａ）の周辺の網面に沿う風によって、前記隆起部（１６ａ）の周辺の網面に付着した塵埃が除去される構成としたことを特徴とするコンバインの原動部構造。 A radiator (11) is provided outside the engine (E), and a first fan (12) for cooling the engine (E) driven by the engine (E) is provided between the engine (E) and the radiator (11). ,
A dust-proof net (16) is provided outside the radiator (11), and a second fan (13) that blows air in the same direction as the first fan (12) between the radiator (11) and the dust-proof net (16). Provided,
A shield (20) is provided between the radiator (11) and the second fan (13), and air flow from the second fan (13) to the radiator (11) passes through the shield (20). It is possible to switch between a possible ventilation state and a shielding state that blocks air flow from the second fan (13) to the radiator (11), and the dust-proof net (16) is connected to the second fan (13). corresponding only to the portion, ridges out outside Zhang provided with a (12a), and arranged to enter the entire part of the second fan (13) in the raised portion (16a),
The air blown from the second fan (13) to the radiator (11) side is perpendicular to the axial direction of the second fan (13) by the shield (20) switched to the shield state. Guided and blown out from the raised portion (16a), the dust along the mesh surface around the raised portion (16a) is removed to remove dust adhering to the mesh surface around the raised portion (16a). The drive structure of the combine that is characterized by that. 前記遮蔽体（２０）の遮蔽状態において、第２ファン（１３）からの送風を防塵網（１６）の隆起部（１６ａ）の外側面に沿って案内する導風体（２２）を設けたことを特徴とする請求項１記載のコンバインの原動部構造。 In the shielded state of the shield (20), an air guide (22) for guiding the air blown from the second fan (13) along the outer surface of the raised portion (16a) of the dust screen (16) is provided. 2. The structure of a prime mover of a combine according to claim 1, 前記第１ファン（１２）及び第２ファン（１３）を、前記ラジエータ（１１）を貫通するファン駆動軸（１４）により駆動する構成としたことを特徴とする請求項１又は請求項２記載のコンバインの原動部構造。 The first fan (12) and the second fan (13) are configured to be driven by a fan drive shaft (14) passing through the radiator (11) . Combined drive structure.
JP2011018436A 2011-01-31 2011-01-31 Combiner power structure Expired - Fee Related JP5707979B2 (en)

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