JPS6090919A - Method of assembling fan cowling - Google Patents

Method of assembling fan cowling

Info

Publication number
JPS6090919A
JPS6090919A JP58199804A JP19980483A JPS6090919A JP S6090919 A JPS6090919 A JP S6090919A JP 58199804 A JP58199804 A JP 58199804A JP 19980483 A JP19980483 A JP 19980483A JP S6090919 A JPS6090919 A JP S6090919A
Authority
JP
Japan
Prior art keywords
fan
cowling
lugs
fan cowling
blade
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.)
Pending
Application number
JP58199804A
Other languages
Japanese (ja)
Inventor
Toshimasa Maeda
前田　敏正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP58199804A priority Critical patent/JPS6090919A/en
Publication of JPS6090919A publication Critical patent/JPS6090919A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • F01P5/06—Guiding or ducting air to, or from, ducted fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/50—Details mounting fans to heat-exchangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE:To raise the accuracy of assembling and to thereby raise the fan efficiency, by assembling a fan such that the outer end faces of lugs formed at the outer peripheral portion of fan blades are held in contact with the inner peripheral surface of a fan cowling, and then removing the lugs from the fan blades. CONSTITUTION:In a fan 3, the outside of which is covered by a cylindrical fan cowling 2 attached to a radiator 1, lugs 31 are formed at the outer peripheral portion of fan blades 30, and a thin portion 32 is formed at the base portion of each lug 31. Here, the fan 3 has, for instance, four lugs 31 disposed substantilly equidistantly in the circumferential direction, and they are formed to have a size corresponding to the inner peripheral surface of the fan cowling 2. In assembling the fan 3, the fan cowling 2 is fixed to the radiator 1 temporarily and then the fan 3 is inserted into the fan cowling 2 in the mannet that the outer end faces of lugs 31 are held in contact with the inner peripheral surface of the fan cowling 2. Thereafter, the fan cowling 2 is fixed to the radiator 1 securely and then the lugs 31 are moved at their thin portions 32.

Description

【発明の詳細な説明】 （産業上の利用分！ｌ’Ｊ　） この発明、ファンブレードの外周部がファンカウリング
にＪ、って覆われてなる冷ｕＪ用フッ・ンのファンカウ
リング組イζ」方）去に関づ−るものである。[Detailed description of the invention] (Industrial use!l'J) This invention is a fan cowling assembly for cooling UJ in which the outer circumference of the fan blade is covered with a fan cowling. ``(method)) is related to the past.

（従来技術） 上記ファンは通常エンジンに取イ］番ノられ、かつファ
ンカウリングがラジェータに固定されているため、エン
ジンｄ３　Ｊ、びラジェータの製作Ｉ；差笠ににつてフ
ｊ７ンおＪ：びファンカウリングの取イ１高さ等が狂い
易く、両者を同心円上に配置す゛ることは困九である。(Prior art) The above-mentioned fan is usually attached to the engine, and the fan cowling is fixed to the radiator. It is difficult to arrange the two on a concentric circle because the height and the like of the fan cowling and the fan cowling are easily distorted.

したがって、ファンカウリングの内径をファンブレード
の外径よりもかなり人さめに形成して両者の接触を防止
１゛る必要がある。まＩこ、大公Ｏｎ　ｂ　’ｌ　−２
７２４８号公報に示されるように、ファンカウリングの
後端外周部に折り返し可能なりＩＩ性カバーを装犯し、
組付後に弾性カバーによっζファンブレードの後端外周
６１１を覆うように構成゛りることより、組イ］時の弾
性カバーとファンブレードとの干渉を防止し、かつファ
ンノイズの発生を抑制覆ると共にフッフン効率の向上を
図ったものが知られている。Therefore, it is necessary to make the inner diameter of the fan cowling considerably smaller than the outer diameter of the fan blades to prevent contact between the two. Oh, Grand Duke On b'l -2
As shown in Japanese Patent No. 7248, a foldable II type cover is mounted on the outer periphery of the rear end of the fan cowling,
Since the elastic cover is configured to cover the rear end outer periphery 611 of the fan blade after assembly, interference between the elastic cover and the fan blade during assembly is prevented, and fan noise is suppressed. There are known devices that cover the air and improve the fuffing efficiency.

ところで、ファンブレードとフッフンカウリングとの接
触を避番ノながら両省の対向部の隙間を小さく゛すれば
、フッフン効率をＪ、り一層向上さゼることがでさると
ノ（にフン・ンノイズしＪ、り低減さＶることができる
。このため上記隙間を最小限に抑えることがでさるツノ
・ンカウリング相付り法の開発が望まれていた。By the way, if you reduce the gap between the opposing parts of the two parts while avoiding contact between the fan blade and the cowling, the efficiency of the fan blade can be further improved. Therefore, it has been desired to develop a method for combining horns and cowlings that can minimize the above-mentioned gap.

（発明の目的） この光１！ＩＪは、１メエの点に鑑みてなされた乙ので
あり、フン７ン効率を効果的に向上さけ１フン１ンノイ
ズを低減できるようにりるために、フッ・ンカウリング
の内周面とファンブレードの外端面との隙間を最小限に
抑えることがでさるファンカウリング組付ｌｉ法を提供
覆るものである。(Purpose of the invention) This light 1! IJ was made in consideration of the first point, and in order to effectively improve fan efficiency and reduce fan noise, the inner peripheral surface of the fan cowling and the fan This invention provides a method for assembling a fan cowling that can minimize the gap between the blade and the outer end surface of the blade.

（発明のＩＭ成） このブを明は、７７’ンブレードの外周８１！に、フッ
７ン／Ｊウリングの内周面に対応する突起を周方向に略
等間隔で３１１１：１以上形成し、この突起の外端面を
ファンカウリングの内周面に近接させて位置合わμづる
ことにＪ、す、ファンカウリングとフッ７ンブレードと
を同心円」−に配置して粗イ」（）、その後上記突起を
ノｊ・ンノル−ドから除去Ｊるにうにしたしのである。(IM composition of the invention) This blade is 77' and the outer circumference of the blade is 81! Then, protrusions corresponding to the inner circumferential surface of the fan cowling are formed at approximately equal intervals in the circumferential direction with a ratio of 3111:1 or more, and the outer end surfaces of these protrusions are brought close to the inner circumferential surface of the fan cowling for alignment μ. Specifically, the fan cowling and fan blade were arranged in concentric circles, and the protrusions were then removed from the nozzle.

（実施例） 第１図おＪ、び第２図において、１はラジェータ、２は
ファンカウリング、３は冷却用ファンである。(Example) In FIGS. 1 and 2, 1 is a radiator, 2 is a fan cowling, and 3 is a cooling fan.

上記ラジェータ１は車体に固定され、このラジェータ１
に円筒状のフッ７ンカウリング２が取付りられている。The radiator 1 is fixed to the vehicle body, and this radiator 1
A cylindrical hook 7 cowling 2 is attached to the holder.

上記ファン３は８枚のフン・ンブレード３０を有し、か
つＶベルト、ブーり等を介して図外のエンジンのクラン
ク軸に連動されている。上記７ノシンブレード３０の外
周部には第３図に示すような突起３１が形成され、この
突起３１の基端部には薄肉部３２が形成されている。こ
の突起３１は周方向に略等間隔で４個配置され、かつ上
記７ノ？ンカウリング２の内周面に対応する大きさに形
成されＣいる。すなわら、上記突起３１の外端面をファ
ンカウリング２の内周面にそれぞれ当接させた状ｇで、
ファン３をフン・ンカウリング２内に挿入し得るように
、突起３１の突出量が設定されている。The fan 3 has eight fan blades 30 and is linked to a crankshaft of an engine (not shown) via a V-belt, a bobbin, etc. A protrusion 31 as shown in FIG. 3 is formed on the outer circumferential portion of the seven-thin blade 30, and a thin wall portion 32 is formed at the base end of the protrusion 31. Four of these protrusions 31 are arranged at approximately equal intervals in the circumferential direction, and the number of the protrusions 31 is 7. It is formed in a size corresponding to the inner peripheral surface of the cowling 2. That is, in a state g in which the outer end surfaces of the projections 31 are brought into contact with the inner circumferential surface of the fan cowling 2, respectively,
The amount of protrusion of the protrusion 31 is set so that the fan 3 can be inserted into the fan cowling 2.

上記ラジェータ１にファンカウリング２を仮止めした俊
、このファンカウリング２内に７１ン３を挿入しく相イ
」りる。この場合、ツノ？ンブレード３０に形成された
突起３１の外端面がファンカウリング２の内周向に当接
しているために、フッフン３に対しくファンカウリング
２が位置合わゼされ、フッ１ンカウリング２とノア／ン
３どが確実に同心円上に配置されることとなる。上記の
にうにして７ノ・ンカウリング２の位置合わせを行なっ
た状態で取ｆ＝Ｊポル１〜２０　’ａ’　ｉｉめ（＝Ｊ
す、ラジェータ１に対してフッ・ン／Ｊウリング２を固
定′りる。なお、この実／ＩＩ！１例で（まツノ・シカ
ウリング２の取付部に゛長孔２１を形成りることにより
、取付位置の調節を容易に行ない１！するＪ、うに４Ｍ
成しているが、この長孔２１を段りることなく、フッ・
ンカ「シリング２をラジ］二−タ１に苅して予め固定し
ておき、ラジェータ１もしく【よフッ・ン３の取ｆＪ位
１６を調節゛りることににす、フン・ン：３どノン７ン
カウリング２どを同心円上に配置召し−Ｃ固定ＩＪるよ
うにし−（もＪ、い。After temporarily fixing the fan cowling 2 to the radiator 1, it is time to insert the 71-in 3 into the fan cowling 2. In this case, horns? Since the outer end surface of the protrusion 31 formed on the fan blade 30 is in contact with the inner circumferential direction of the fan cowling 2, the fan cowling 2 is aligned with the fan cowling 3, and the fan cowling 2 and the fan cowling 2 are in contact with each other. 3 will be reliably arranged on concentric circles. After aligning the 7th ring 2 as described above, take f=J port 1~20 'a' ii (=J
Then, fix the H/J ring 2 to the radiator 1. In addition, this fruit/II! In one example, by forming an elongated hole 21 in the mounting part of Matsuno Shicouring 2, the mounting position can be easily adjusted.
However, this elongated hole 21 can be opened without stepping.
I decided to fix the radiator 2 on the radiator 1 in advance, and then adjust the fJ position 16 of the radiator 1 or 3. Place the 3rd, 7th, and 2nd cowlings on a concentric circle so that they are fixed at C.

その後、上記突起３１を薄肉部３２にＪ３いて折り取っ
て除去１れば、フン・ンブレード３０どフッ・ンカウリ
ング２との間に除去した突起３１の人ささに相当りる隙
間が形成されることとなる。After that, by breaking off the projection 31 on the thin part 32 and removing it, a gap corresponding to the size of the removed projection 31 is formed between the blade 30 and the cowling 2. That will happen.

上記のように、ファンブレード３ｏの突起３１の外端面
をフッ７ンカウリング２の内周面に当接させて位］ａ合
わぜをｔｌなうように構成することにＪ：す、７ノ７ン
３とファンカウリング２とを容易かつ確実に同心円上に
配置Ｊることができ、このためファンブレード３０とフ
ァンカウリング２との隙間を最小限に抑えることができ
る。ずなわら、フｉｆン３とファンカウリング２との位
置合わせ手段がない場合には、両者を同心円上に配置ツ
ることが困Ｕで７Ｊりるため、両者の軸心がずれたとし
ても上記ファンブレード３０がファンカウリング２に接
触することのないように、第２図の仮想線で示ずように
フッ・ンカウリング２の内径をがなり人きく形成り−る
必要があった。これに対して上記突起３１により両者の
位置合わせを行なえば、ファン３とノン・ンカウリング
２とを同心円上に配置？７ひさ−るので、」二記のよう
にフン・ンブレード３０とファンカウリング２との接触
を防止Ｊるためにフッ７ンカウリング２の内径を犬きく
形成Ｊる必要はなく、上記突起３　’Ｉの突出足を小さ
くすることによって両者の隙間を最小限に抑えることが
できる。したかつ−Ｃ、ツノ・ン効率を効果的に向上さ
Ｕることが（さるど」（に、フッ・ンノｒズをｔｒ（減
さＵることがでさるという川魚がある。As described above, the outer end surface of the protrusion 31 of the fan blade 3o is configured to be in contact with the inner circumferential surface of the cowling 2 so that the mating position is tl. The fan blade 30 and the fan cowling 2 can be arranged concentrically easily and reliably, so that the gap between the fan blade 30 and the fan cowling 2 can be minimized. However, if there is no means to align the fin 3 and fan cowling 2, it would be difficult to arrange them concentrically, so even if their axes are misaligned, In order to prevent the fan blades 30 from coming into contact with the fan cowling 2, it was necessary to form the inner diameter of the fan cowling 2 smoothly and smoothly, as shown by the imaginary line in FIG. On the other hand, if the projections 31 are used to align the two, the fan 3 and the non-coupling ring 2 can be placed on a concentric circle. 7, it is not necessary to form the inner diameter of the fan cowling 2 so deep in order to prevent contact between the fan blade 30 and the fan cowling 2 as described in Section 2, and the projection 3' By making the protruding legs of I smaller, the gap between them can be minimized. There is a river fish that can effectively improve the horn efficiency (sarudo) and reduce the hunnos (tr).

なＪ３、ツノ・ン３どフン・ンノＪウリング２どを同心
円上に配？ｌりるためには、３枚以」二の］Ｉ・ンブレ
ード３０を有Ｊ゛るファン３にＪ３いて３個以上の突起
３１を形成りれはＪ７い３゜ また、上記実／１鏡例では組刊りに際してフッ・ンブレ
ード３０の突起外端面をツノ・ンカウリング２内周而に
当接ＪるＪ、うにしたが、突起３１外端面とツノ・ンカ
ウリング２とは必ヂしも当接さＵることなく名士のｊＥ
ｉ間をｆｊシた状態で互に組ｆ」りるようにしくｂノ、
・ンブレード３０とノｉｌンカｆンリング２とを（Ｊぼ
同心円上に配置づることができる。Na J3, Tsuno N3 do Hun Nno J Uring 2 arranged on concentric circles? In order to move the fan 3 with three or more blades 30, three or more protrusions 31 must be formed. In the example, the outer end surface of the protrusion of the hook blade 30 was brought into contact with the inner periphery of the horn cowling 2 during printing, but the outer end surface of the protrusion 31 and the horn cowling 2 are not necessarily in contact with each other. JE of a celebrity without touching U
So that they are assembled with each other with fj distances between them,
- The blade 30 and the link ring 2 can be arranged on concentric circles.

（発明の効果） 以上説明しＩζＪ、うに、この発明はファンと７７１ン
カウリングとを確実に同心円上に配Ｕすることがでさる
ため、ファンル−トとフッフンカウリングどの隙間を最
小１（Ｉ！に抑えることができ、フッ・ン効率を効果的
に向上させることができると共に、フッ・ンノイズを低
減さｌることがでさるものＣある。(Effects of the Invention) As explained above, this invention allows the fan and the 771 cowling to be reliably arranged on a concentric circle, so the gap between the fan root and the 771 cowling can be reduced to a minimum of 1 (I There is a method that can effectively improve the huffing efficiency and reduce the huffing noise.

【図面の簡単な説明】[Brief explanation of drawings]

第１図おＪ、び第２図は゛ノアンカウリングの組イ」状
態を承り正面図および（の部分子ｅｉ面図、第３３図は
突起の構成を示Ｊ斜視図Ｃある。 ２・・・〕ｉｌンカウリング、３・・・フン・ン、３０
・・・ノアンブレード、３１・・・突起。 特品′１出願人　東）Ｙ土業株式会社Figures 1 and 2 are a front view and a partial partial ei side view of the assembled state of the anchor cowling, and Figure 33 is a perspective view of the structure of the protrusion.2... ]il n cowling, 3...hun nn, 30
...Noanblade, 31...protrusion. Special item '1 Applicant Higashi) Y Dogyo Co., Ltd.

Claims (1)

【特許請求の範囲】[Claims] １．３枚以」のフッ１ンブレードをイｊ　’Ｕる冷Ｊｕ
ｌ　ＩＩＪファンど、上記フッ・ンブレードの外周部を
覆うファンカウリングと４．１４　（Ｊ　ｔ）る、／ｊ
法であつη、ファンブレードの外周部に、ファンカウリ
ングの内周面に対応りる人ささの突起を周方向に略等間
隔で３個以上形成し、この突起の外端面をファンカウリ
ングの内周面に近接さＵ′でフッ！ンとファンカウリン
グとの位置合わせした状態で相伺を行ない、その後上記
突起を７１ンブレードから除去づ−るようにしたことを
特徴とするフ１ンノＪウリング組例方法。1.3 pieces or more of Fut1nblade is cold.
l IIJ fan, 4.14 (J t) with a fan cowling that covers the outer periphery of the above-mentioned fan blade, /j
In the method, three or more human-shaped protrusions corresponding to the inner circumferential surface of the fan cowling are formed at approximately equal intervals in the circumferential direction on the outer periphery of the fan blade, and the outer end surface of the protrusions is aligned with the inner circumferential surface of the fan cowling. Close to the circumferential surface U'! 7. A method for assembling a fan cowling, characterized in that the protrusion is removed from the fan cowling after the blade is aligned with the fan cowling.
JP58199804A 1983-10-25 1983-10-25 Method of assembling fan cowling Pending JPS6090919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58199804A JPS6090919A (en) 1983-10-25 1983-10-25 Method of assembling fan cowling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58199804A JPS6090919A (en) 1983-10-25 1983-10-25 Method of assembling fan cowling

Publications (1)

Publication Number Publication Date
JPS6090919A true JPS6090919A (en) 1985-05-22

Family

ID=16413901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58199804A Pending JPS6090919A (en) 1983-10-25 1983-10-25 Method of assembling fan cowling

Country Status (1)

Country Link
JP (1) JPS6090919A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317138U (en) * 1989-06-28 1991-02-20
WO2007111332A1 (en) * 2006-03-29 2007-10-04 Komatsu Utility Co., Ltd. Cooling structure for working vehicle
WO2008149113A1 (en) 2007-06-08 2008-12-11 Cummins Power Generation Limited Engine alignment tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0317138U (en) * 1989-06-28 1991-02-20
WO2007111332A1 (en) * 2006-03-29 2007-10-04 Komatsu Utility Co., Ltd. Cooling structure for working vehicle
US8137061B2 (en) 2006-03-29 2012-03-20 Komatsu Utility Co., Ltd. Cooling structure for working vehicle
WO2008149113A1 (en) 2007-06-08 2008-12-11 Cummins Power Generation Limited Engine alignment tool
GB2449938B (en) * 2007-06-08 2012-04-11 Cummins Power Generation Ltd Engine alignment tool

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