I228569 故、發明說明·· 擎冷卻水將油盤内之機油冷卻之 【發明所屬之技術領域】 本發明係一關於藉由引 機車用之引擎冷卻裝置者 【先前技術】 γ猎由引擎冷卻水將油盤内之機油冷卻的引擎冷卻 所于之1如有揭示於曰本特開平11 _44208號公報者。該公報 〜::裝置係引擎冷卻水通過散熱器和汽紅而循環之 、、且藉*將邵分引擎冷卻水供應到油盤内之冷卻水管 、:式，而將油盤内之機油冷卻或加溫者。 前述冷卻水管係將藉由使管路折曲成大致波浪形的方式 而形成〈熱交換部浸潰在機油内，上述冷卻裝置之冷卻水 ^路中的散熱器出口和汽缸人口之間連接有上游端，前述 ?卻水通路中的汽缸出口和散熱器人口之間連接有下游端 心述熱人換邵位於濾油網之吸入口附近，配設在將機油 吸入濾油網時接觸之位置。 [發明所欲解決問題] "仁疋，在如上述構成之引擎冷卻裝置，有無法充分地冷 卻機油《問過。其原因係認為從散熱器流出之相對地低溫 之引擎冷卻水分配到汽虹側和油盤内之冷卻水管。即，由 万、㈤述々卻水音係將裝設在濾油網吸入口附近之熱交換部 斤曲成大置波’良开》，泥過冷卻水時之阻力相對地變大，因 此_過冷卻水管之冷卻水流量相對地減少，而如上述降低 冷卻效率。 85379 1228569 【發明内容】 研發者，其目的在於提 用之引擎冷卻裝置。 供 本發明係為了解決如此之問題點而 一可充分地冷卻油盤内之機油的機車 [解決問題之手段] 為了達成該目的，本發明相關> 4办杰 个知目關 < 機車用之引擎冷卻裝置 係於油盤内浸潰在機油中的部位， 1 形成有冷卻水通路，介 置以該冷卻水通路而連接有散熱器和引擎之水套者。 本發明由於從散熱器流出之引擎冷卻水，係通過油盤内 =冷卻水通路後流人引擎之水套，因此形成引擎冷卻水全 量通過油盤内之冷卻水通路。 ’係根據巾請專利範圍第丨項發明相關之機車用之引擎冷卻 裝置，其係油盤内之冷卻水通路為藉由朝向車寬度方向延 伸之平面視U字管路而形成在油盤内者。 申請專利範圍第2項發明相關之機車用之引擎冷卻裝置 、本發明T藉由行歇時車體朝向前後方向增加加速度之方 j ’而使油盤内之機油在油盤内朝向前後方向移動。如此 藉由機油移動之方式，可增加接觸在前述管路之機油量。 Q此 面形成使裝设在油盤内之ϋ字形管路減少引擎冷卻 水流過此處時之阻力的形狀，—面有效率地進行與機油之 熱叉換。 申叫專利範圍第3項發明相關之機車用之引擎冷卻裝置 ，係根據申請專利範圍第2項發明相關之機車用之引擎冷卻 裝置、，其係藉由曲軸箱蓋形成油盤之一方側壁，將油盤内 之U冬开y $路開放側端邵支持在該曲軸箱蓋，同時支持冷卻 85379 :228569 水幫浦者。 本發明可將冷卻水f浦及畔形管路 水軟管等構件，^ έ 埂接及寺《冷郃 守稱件田作支持在曲轴箱蓋之—個組裝體。 申請專利範圍第4項發明相關之 ’係根據申請專利範圍第3項發明相關…引擎~部裝置 奘曹甘^ ^毛明相關又機車用之引擎冷卻 、係曲軸箱蓋形成連接有油盤内之畔形管路之冷卻 ::口和冷卻水出口的供應側冷卻水通路和返回側冷卻水 U ’且裝設有連通該等冷卻水通路彼此之分流通路者。 ，本發明可從相對地低溫之引擎冷卻水通過分流通路，而 攸U子形管路上游側以短路方式流到下游侧。 【實施方式】 以下藉由圖1至圖"詳細地說明本發明相關之機車用之 引擎冷卻裝置之一實施型態。 圖1係裝備有本發明相關之冷卻裝置之機車用引擎側视 圖二圖2表示放大主要部之側視圖，圖3係冷卻水幫浦及曲 軸箱蓋之平面圖，圖4表示將機油冷卻用管路安裝在引擎的 狀恶 < 平面圖，該圖係描繪剖開兩端之安裝部分。圖5係圖 4中的V-V線剖面圖。 回 圖6係機油冷卻用管路之平面圖，圖7表示從車體後側看 機油冷卻用管路的狀態之後面圖，圖8表示從車體右側看機 油冷郃用管路的狀態之側視圖。圖9表示冷卻裝置構成之側 視圖，圖10係該立體圖，圖12係冷卻水通路構成之示意圖。 根據該等圖式，符號丨所示者係裝備有該實施型態之冷卻 裝置2的水冷式機車用之引擎。該引擎i由於係裝載於速克 85379 1228569 達之後懸吊裝置式者，汽缸4在曲軸箱3裝1 不目及5又成朝向車體前 万突出，同時在後輪5左方裝設有朝向車體後方延伸之傳動 箱6。藉由前述傳動箱6和纟後輪5右方從曲轴箱㈣向後方 延伸之後支臂7支持前述後輪5。 上端部之連結用 朝向上下方向支 突 且，该引擎1介置以連結在前述曲軸箱3 出3a之環（不圖示），而以可自由搖動方式 持在車體框。再者，前述傳動箱6之後端部和後支臂7之後 端邵，分別介置以緩衝裝置8而連接在車體框。 如圖1及圖2所示，前述汽缸4係與先前眾所周知之d〇hc 型引擎之汽缸頭部同樣地構& ’心頭部9上面連接有吸氣 裝置（不圖示），同時汽缸頭部9下面連接有排氣管1〇(參照圖 2)。根據圖1及圖2，符號π表示汽缸體，丨2表示頭部蓋。且 ，前述汽缸體11下面連接有後述冷卻裝置2之冷卻水軟管13。 前述曲鉀箱3形成可朝向車寬度方向隔開，如圖$所示， 下邵裝設有油盤2 1。藉由車體左侧（在圖5亦為左側）之曲軸 箱半部22、車體右側之曲軸箱半部23和堵塞該車體右側之 曲轴箱半部23的車體右侧開放端部之曲軸箱蓋24而形成該 油盤2 1 ’裝設成後述之機油冷卻用管路2 5浸潰在機油内 如圖9及圖10所示’藉由裝設在曲軸箱3之機油幫浦26而 吸起儲存—在該油盤2 1之機油，通過機油供給管27而供應到 曲抽28之軸承受部29或其他被潤滑部。根據圖9及圖10，以 符號30表-示儲存在油盤21内之機油。且，根據該等圖式， 符號31表示連桿’ 32表示活塞，33表示後述之冷卻裝置2之 冷卻水幫浦33。 85379 1228569 ，圖Μ所不，該引擎n之冷卻裝置2係通過汽缸4内之水 套34和散熱器35而循環引擎冷卻水之構造者，包含：裝設 在車體前部之散熱器3 5 (參照圖1 )、介置以第丨冷卻水軟管3 6 而連接在該散熱器35之冷卻水出口 35a之前述冷卻水幫浦33 、介置以第2冷卻水軟管37而連接在該冷卻水幫浦33之吐出 口同時介置以第3冷卻水軟管丨3而連接在引擎！内之水套3 4 之冷卻水入口 34a的軟管連接用構件38、裝設在前述油盤21 内之荊述機油冷卻用管路2 5、從前述水套3 4之冷卻水出口 34b將引擎冷卻水導入散熱器35之冷卻水入口 35b的第4冷 部水軟賞3 9等。然後，前述第4冷卻水軟管3 9途中和前述第 1冷部水軟官36途中之間裝設有分流通路4〇，用於在引擎起 動時等引擎冷卻水相對地低溫時，阻止引擎冷卻水流到散 熱器3 5。 前C々p卩水桌腐3 3係傳達曲轴2 8之旋轉而驅動之構造者 ，如圖2及圖3所示，在前述曲軸箱蓋24側面安裝在上端部。 則述軟言連接用構件38係用於連接前述第2及第3冷卻水 ^ °7 1 3，和曲軸箱盍24内之後述供應側冷卻水通路4 1 和返回側冷卻水通路42者，安裝在曲軸箱蓋24前端面。 、藉由如此將軟管連接用構件38安裝在曲軸箱蓋24前端庚 心万式，可將連接該軟管連接用構件38和冷卻水幫浦Μ之 第1冷卻水軟管36,沿著曲軸箱蓋24上部之側面配管/，且° = 將排氣管10延伸裝設在曲軸箱蓋24下部之側方。因此，該 等官構件彼此不會互相干擾，不僅組裝較容易並可藉由排 乳官〗〇避開第1冷卻水軟管36而突出到車體外側之方式，厂 85379 1228569 止傾斜角變有。 如圖2所示，軸箱蓋24内之前述供應侧冷卻水通路、 :側冷卻水通路42’形成從曲輪箱蓋24之前端面傾斜：： 、：後万下降，後端部連接有前述機油冷卻水用管路Μ =施型態形成連通在前.述第2冷卻水軟管37之供應側冷 迥路41位於另一万之返回側冷卻水通路42上方。 t圖9k及圖1〇所示，藉由分流通路4。而互相連通前述供声例 :::通路41和返回侧冷卻水通路…該分流通路4。= 通路剖面積比供應側冷卻水通路41及返回側冷卻路 4』之迪路剖面積小。 合 =施型態係前述分流通路4G形成在軟管連接㈣㈣ 、:：述之’如圖2所示’前述軟管連接用構件38係連通在前 以、應側冷卻水通路41和返回側冷卻水通㈣之二個通路 ^42,成在内部，對接在曲轴箱蓋24前端面之安裝侧端 到目地連通前述兩通路之方式而形成有凹溝44。前 迟分流通路40藉由該凹溝44而構成。 如圖4土圖8所不’藉由互相地熔接有形成直線形之第1管 路45’和成形為平面視如呈現；字形之第]管祕的方式，而 形成平面視呈抑字形之前述機油冷卻用管㈣，且配設在 油盤η内，潰於機油30之位置。1，該機油冷卻用管路h 在開放侧端邵焊接有由-枚鋼板所構成之安裝用凸緣47， 介置以氣安—裝用凸緣47而安裝在前述曲軸箱蓋24。如圖4及 圖5所—示’前述安裝用凸緣47係前述第1管路45和第2管路46 朝向見度万向延伸’同時該等兩管路45、46彼此以並排在 85379 -10 - 1228569 車體前後方向之壯能 # 、 … ^、’稭由2支固定用螺栓4 8而固定在曲軸 箱蓋2 4内面。 ^ ;、第&路45和第2管路46係於如上述將安裝用凸緣47 口疋在曲軸相A 24之狀態，以面臨曲軸箱蓋Μ之前述供應 鱗卻水通路41和返回鱗卻水通路，而從前述 :农―用凸、^外侧。本實施型態係位於車體前側之 幻管路45的突出侧端部仏面臨返回侧冷卻水通路42内，第 ^管路46的突出側端部46&面臨供應側冷卻水通路41内。即， 藉由第2 g路46之開口而構成機油冷卻用管路以之冷卻水 入口藉由第1言路4 5之開口端而構成機油冷卻用管路2 5之 冷卻水出一口。且，該等兩管路45、46之前述突出側端部45a 、46a和前述兩冷卻水通路41、42之壁面之間，在冷卻水通 路内和油盤2 1内之間介設有用於密封之〇型環49。 如圖4A圖6所示，與機油冷卻用管路以中的前述安裝用 凸緣47反側 <端邵，熔接有形成平面視如呈現τ字形之保持 用框50。該保持用框50前端部之突出片5〇a安裝有緩衝橡膠 51° 如圖4及圖5所示，從油盤21内將該緩衝橡膠”插入在車 體左側之曲軸箱半部2 2形成如呈現剖面字形之保持部5 2 。藉由如-此將緩衝橡膠51介設在機油冷卻用管路以和車體 左側之曲袖箱半部22之間的方式，可確實地將機油冷卻^ 管路25之-前端部支持在車體左侧之曲軸箱半部22，同時在 組裝機油冷卻用管路25時，可防止組裝機油冷卻用管路乃 時，因為機油冷卻用管路25而過度地推壓損壞車體左侧之 85379 -11 - 1228569 曲軸箱半部22。 如上述構成义機油冷卻用答 @路25係將冷卻水幫浦33及軟 管連接用構件3 8同時組# A右· 二 、 〒、，且取在車體左侧之曲軸箱蓋24，且裝 5又有連接冷卻水幫浦3 3和軟營、击七、 、卜 &連接用構件3 8之第2冷卻水 軟管37，和連接軟管連接用槿 卜卜 構件J 8和汽缸4之第3冷卻水軟 管1 3，而以形成一體之狀能|壯 〜、文i在曲軸箱3 冷卻裝置2之全邵構件安裝力 干女农在引擎1，藉由冷卻水幫浦33 在填充有引擎冷卻水之狀能而命>、 狀忍而動作之方式，引擎冷卻水從 月文滅器j 5通過弟1及第2冷卻水赴总 " 7冲水#人官36、37，由軟管連接用 構件3 8引導’從該軟管連接用摄杜 、任用構件^ 8通過曲軸箱蓋24内之 供應側冷卻水通路4 1，而供庳釗嬙、丄、人” 卜 叫扒：到機油冷卻用管路25。如此 藉由引擎冷卻水流過機油冷卻用營、 1厅J &路25之万式，藉由引擎 冷卻水冷卻油盤2 1内之機油3 0。 從機油s冷卻用管路25流出之引擎冷卻水，係通過包含曲 軸箱蓋24之返回側冷卻水通路42〜軟管連接用構件38—第3 冷卻水軟管13之冷卻系統，而供應到汽缸4内之水套“。然 後，冷卻汽缸體11及汽缸頭部9之引擎冷卻水，係從汽缸頭 部9之冷卻水出口 34b通過第4冷卻水軟管39而返回散熱器 35 〇 因而，梦冷卻裝置2由於從散熱器35流出之引擎冷卻水通 過油盤21内之機油冷卻用管路25後，流入引擎1之水套“内 ’因此形-成引擎冷卻水全量通過前述機油冷卻用管路25。 因此’車父先的之冷卻裝置可提南機油之冷卻效率。 且，由於油盤21内之機油冷卻用管路25，係於油盤以内 -12- 85379 1228569 成如呈現朝向車寬产六 油般21 h , 又向I伸义平面视U字形，因此形成 庙|21内之機油3〇大 前後太a ，、係因藉由行駛時車體朝向 &俊万向增加速廣$女 朝A ‘ 式’使油1 2 1内之機油在油盤2 1内 、、Γ向流動…，使前述機油冷卻用管辦波 二形成平面視如呈現U字形，儘管採用減少流過引擎 1…且力的構成’仍可有效率地進行與機油30之熱 父換。 般者忑’“Ρ,置2係藉由車體右側曲軸箱蓋24而形成油 、 万侗壁，由於將油盤2丨内之機油冷卻用管路的 開放《 支持在孩曲軸箱蓋24 ’同時支持冷卻水繁浦^ ’因此可將冷卻水f浦33及機油冷卻用管路25，和連接該 等之第2冷卻水軟管37等構件，當作支持在曲軸箱蓋24之- 個組裝體。因&，可簡單地進行將前述複數冷卻系統之構 件組裝在卩丨擎1之作業。 此外，該冷卻裝置2由於裝設有連通車體左侧之曲軸箱蓋 2 4的供應側冷卻水通路4丨和返回側冷卻水通路4 2之分流通 路40，因此相對地低溫之引擎冷卻水通過前述分流通路切 ，而從機油冷卻用管路25之上游侧以短路方式流到下游側 。因此，可使進入引擎】之水套34的引擎冷卻水溫度，較未 裝設有分；通路4 0時降低，因此可防止引擎冷卻水藉由機 油30而過度地升溫，而可將適當溫度之引擎冷卻水供應到 引擎1。-[發明功效] 如以上說明，本發明由於引擎冷卻水全量通過油盤内之 85379 -13 - 1228569 ι:ρ=路二”機油熱度有效率地傳達到引擎冷卻 由、主亲乂先月K冷卻裝置可充分地冷卻機油。 申Μ專利範園第2項之發明， 設在油盤内之冷卻水用管路減；引擎面::， 阻力，並由於㈣心引擎冷部水流過此處時之 效率地冷卻機、、:ΓΤ也進行與機油之熱交換，而更有 因此可低二二於冷卻水用管路係單純之形狀， 水裝置冷卻性能高之冷卻裝置可低廉地提供一較先前之冷卻 二：專:":園第3項之發明，由於可將冷卻水幫浦及υ字 軸I當、 该等^冷卻水軟管等構件，當作支持在曲 在:;：？組裝體’因此將前述複數冷卻系統構件組裝 在引擎 < 作業簡單。 申請專利範園第4項之發明’由於相對地低溫之引擎冷卻 ”過分_，從U字形管路之上游側以短路之方式流到I228569 Therefore, description of the invention ... Engine cooling water to cool the oil in the oil pan [Technical Field to which the Invention belongs] The present invention relates to an engine cooling device used by an engine [prior art] γ hunting of engine cooling water The engine cooling method for cooling the oil in the oil pan is disclosed in Japanese Patent Publication No. 11-44208. The Bulletin ~ :: The device is the cooling water pipe of the engine cooling water which is circulated through the radiator and steam red, and the Shaofen engine cooling water is supplied to the oil pan, and the oil in the oil pan is cooled. Or warmer. The aforementioned cooling water pipe system is formed by bending the pipeline into a generally wavy shape. The heat exchange portion is immersed in the engine oil. The radiator outlet in the cooling water circuit of the cooling device and the cylinder population are connected. At the upstream end, the downstream end of the cooling water passage is connected between the cylinder outlet and the radiator population. The hot-swappable changer is located near the suction inlet of the oil filter, and is arranged at the position where the oil is brought into contact with the oil filter. . [Problems to be solved by the invention] " Renmin, in the engine cooling device configured as above, there is no way to sufficiently cool the engine oil. The reason is that the relatively low temperature engine cooling water flowing from the radiator is distributed to the cooling water pipes in the steam rainbow side and the oil pan. That is to say, the water-sound system by Wan and Zhuoshu will make the heat exchange unit installed near the suction inlet of the oil filter into a large wave, "Liang Kai". The resistance when the mud passes through the cooling water is relatively large, so _The cooling water flow of the subcooling water pipe is relatively reduced, and the cooling efficiency is reduced as described above. 85379 1228569 [Summary of the invention] A developer whose purpose is to provide an engine cooling device. In order to solve such a problem, the present invention is a locomotive that can sufficiently cool the oil in the oil pan [means for solving the problem] In order to achieve the object, the present invention is related to> 4 knowledge points < for locomotive The engine cooling device is a part immersed in the oil in the oil pan. 1 A cooling water passage is formed, and a radiator and a water jacket of the engine are connected through the cooling water passage. In the present invention, the engine cooling water flowing from the radiator passes through the oil pan = cooling water passage and flows into the water jacket of the engine, so that the entire engine cooling water passes through the cooling water passage in the oil pan. 'The engine cooling device for locomotive according to the invention of patent scope No. 丨 according to the patent scope. The cooling water passage in the oil pan is formed in the oil pan through a U-shaped pipeline viewed from the plane extending in the width direction of the vehicle. By. The scope of the patent application for the second invention relates to an engine cooling device for a locomotive, and the invention T moves the engine oil in the oil pan in the oil pan in the forward and backward direction by increasing the acceleration j 'of the vehicle body in the forward and backward direction during the break. . In this way, the amount of oil in contact with the aforementioned pipeline can be increased by moving the oil. Q This surface is shaped to reduce the resistance of the engine cooling water flowing through the zigzag pipe installed in the oil pan, and the surface is efficiently replaced with the oil by hot forks. The application claims an engine cooling device for a locomotive related to the third invention in the patent scope, which is based on an engine cooling device for a locomotive related to the second invention in the scope of the patent application, which forms a side wall of the oil pan by the crankcase cover. Support the U Dongkai y $ 路 Open side end of the oil pan in the crankcase cover, while supporting cooling 85379: 228569 water pump. The invention can support components such as cooling water pumps and piping water hoses and other components to support the assembly of the crankcase cover on the crankcase cover. The 4th invention related to the scope of the patent application is related to the 3rd invention according to the scope of the patent application ... The engine ~ the unit is a Cao Gan ^ ^ Mao Ming is related to the engine cooling of the locomotive, and the crankcase cover is formed in the oil pan. The cooling of the shore-shaped pipeline: the supply-side cooling water passage and the return-side cooling water U 'of the port and the cooling water outlet, and a shunt passage connecting the cooling water passages to each other is installed. According to the present invention, the engine cooling water having a relatively low temperature can pass through the bypass passage, and the upstream side of the U-shaped pipeline flows to the downstream side in a short-circuit manner. [Embodiment] An embodiment of an engine cooling device for a locomotive related to the present invention will be described in detail below with reference to Figs. Fig. 1 is a side view of a locomotive engine equipped with a cooling device related to the present invention. Fig. 2 is an enlarged side view of the main part. Fig. 3 is a plan view of a cooling water pump and a crankcase cover. Fig. 4 is a view for cooling oil. The piping is installed in the engine < plan view, which depicts the mounting portion with two ends cut away. Fig. 5 is a sectional view taken along the line V-V in Fig. 4. Return to Figure 6 is a plan view of the oil cooling pipe. Figure 7 is a rear view of the state of the oil cooling pipe viewed from the rear side of the vehicle body. Figure 8 shows the state of the oil cooling pipe from the right side of the vehicle body. view. Fig. 9 shows a side view of the structure of the cooling device, Fig. 10 is a perspective view thereof, and Fig. 12 is a schematic view of a structure of a cooling water passage. According to the drawings, the symbol 丨 indicates an engine for a water-cooled locomotive equipped with the cooling device 2 of this embodiment. The engine i is mounted on a suspension device after Suga 85379 1228569 is reached. The cylinder 4 is installed in the crankcase 3 with a blind eye 5 and protrudes toward the front of the car body. At the same time, it is installed on the left side of the rear wheel 5. Gearbox 6 extending towards the rear of the vehicle body. The rear arm 5 supports the rear wheel 5 after the transmission case 6 and the rear wheel 5 extend rightward from the crankcase ㈣ rearward. The upper end of the connecting part protrudes upward and downward, and the engine 1 is interposed to be connected to a ring (not shown) of the crank case 3a and 3a, and is held on the body frame in a freely swinging manner. Furthermore, the rear end of the transmission case 6 and the rear end of the rear support arm 7 are connected to the vehicle body frame via a buffer device 8 respectively. As shown in FIG. 1 and FIG. 2, the aforementioned cylinder 4 is the same as the cylinder head of the previously well-known dohc-type engine. “A suction device (not shown) is connected to the heart 9 and the cylinder head is connected at the same time. An exhaust pipe 10 (see FIG. 2) is connected to the lower portion of the portion 9. According to FIGS. 1 and 2, the symbol π represents a cylinder block, and 2 represents a head cover. In addition, a cooling water hose 13 of a cooling device 2 described below is connected to the lower surface of the cylinder block 11. The aforementioned bent potassium tank 3 is formed to be spaced toward the width direction of the vehicle. As shown in FIG. With the crankcase half 22 on the left side of the vehicle body (also left in Figure 5), the crankcase half 23 on the right side of the vehicle body, and the open end on the right side of the vehicle body that blocks the crankcase half 23 on the right side of the vehicle body The crank case cover 24 forms the oil pan 2 1 'installed as an oil cooling pipe 25 described later and immersed in the engine oil as shown in FIGS. 9 and 10' by the engine oil installed in the crank case 3 The pump 26 is sucked and stored—the oil in the oil pan 21 is supplied to the bearing receiving part 29 or other lubricated part of the crank pump 28 through the oil supply pipe 27. According to Figs. 9 and 10, the oil stored in the oil pan 21 is indicated by 30. In addition, according to the drawings, reference numeral 31 indicates a connecting rod '32 indicates a piston, and 33 indicates a cooling water pump 33 of a cooling device 2 described later. 85379 1228569, shown in Figure M. The cooling device 2 of the engine n is a structure that circulates the engine cooling water through the water jacket 34 and the radiator 35 in the cylinder 4, including: a radiator 3 installed in the front of the vehicle body. 5 (refer to FIG. 1), the aforementioned cooling water pump 33 connected to the cooling water outlet 35 a of the radiator 35 through the first cooling water hose 3 6, and connected through the second cooling water hose 37 At the same time, a third cooling water hose 3 is connected to the spout of the cooling water pump 33 and connected to the engine! The hose connection member 38 of the cooling water inlet 34a of the inner water jacket 3 4, the oil cooling pipe 2 installed in the oil pan 21, and the cooling water outlet 34 b of the water jacket 34 The fourth cooling section water soft reward of the engine cooling water introduced into the cooling water inlet 35b of the radiator 35 is 39 or the like. Then, a shunt path 40 is installed between the fourth cooling water hose 39 on the way and the first cold section water soft valve 36 on the way, and is used to prevent the engine cooling water when the engine cooling water is relatively low at the start of the engine, etc. Engine cooling water flows to the radiator 3 5. The front C々p 卩 water table rot 3 3 is a structure that transmits the rotation of the crankshaft 28 and is driven. As shown in FIG. 2 and FIG. 3, the side of the crankcase cover 24 is mounted on the upper end portion. The soft connection member 38 is used to connect the second and third cooling water ^ ° 7 1 3 to the supply-side cooling water passage 4 1 and the return-side cooling water passage 42 described later in the crankcase 之后 24, It is attached to the front end surface of the crankcase cover 24. By attaching the hose connection member 38 to the front end of the crankcase cover 24 in this manner, the hose connection member 38 and the first cooling water hose 36 of the cooling water pump M can be connected along The side pipe of the upper part of the crankcase cover 24 is piping, and ° = the exhaust pipe 10 is extended to the side of the lower part of the crankcase cover 24. Therefore, these official components will not interfere with each other, not only is easier to assemble, but also can be protruded to the outside of the car body by avoiding the first cooling water hose 36, the factory 85379 1228569 prevents the inclination angle from changing. Have. As shown in FIG. 2, the aforementioned supply-side cooling water passages and the: -side cooling water passages 42 ′ in the axle box cover 24 are inclined from the front end surface of the crank case cover 24::: The rear end is lowered, and the rear end is connected with the aforementioned oil. The cooling water pipe M = formed to form a communication connection. The supply-side cold channel 41 of the second cooling water hose 37 is located above the return-side cooling water passage 42 of the other 10,000. As shown in FIG. 9k and FIG. 10, the shunt path 4 is used. And the aforementioned sound supply example ::: passage 41 and the return-side cooling water passage ... the shunt passage 4 are connected to each other. = The cross-sectional area of the passage is smaller than the cross-sectional area of the di-path of the supply-side cooling water passage 41 and the return-side cooling path 4 ″. The connection type is the above-mentioned shunt path 4G formed in the hose connection ㈣㈣ :: The above-mentioned 'shown in FIG. 2' is described as the aforementioned hose connection member 38 is connected to the front, the cooling water passage 41 and the return The two channels ^ 42 of the side cooling water passage are formed inside, and a groove 44 is formed in a manner that abuts the mounting side end of the front end surface of the crankcase cover 24 to purposely communicate the two channels mentioned above. The late shunt passage 40 is formed by the groove 44. As shown in FIG. 4 and FIG. 8, the first pipeline 45 forming a linear shape and the shape formed in a plane are welded to each other, and the shape of the pipe is shown in the manner of the pipe, and the plane shape is suppressed. The aforementioned oil cooling pipe ㈣ is disposed in the oil pan η and collapses to the position of the engine oil 30. 1. The oil cooling pipe h is welded at the open end with a mounting flange 47 made of a steel plate, and is mounted on the crankcase cover 24 via an air-safe mounting flange 47. As shown in Fig. 4 and Fig. 5-"the aforementioned mounting flange 47 is the first pipe 45 and the second pipe 46 extending in the direction of visibility" and the two pipes 45 and 46 are side by side at 85379 -10-1228569 Zhuangneng #,… ^, 'in the front-back direction of the car body is fixed to the inner surface of the crankcase cover 2 4 by two fixing bolts 4 8. ^, The & road 45 and the second pipeline 46 are in a state where the mounting flange 47 is set in the crankshaft phase A 24 as described above, so as to face the aforementioned supply scale water passage 41 of the crankcase cover M and return The scales have water passages, and from the foregoing: farming-using convex, ^ outside. In this embodiment, the protruding side end of the magic pipe 45 located on the front side of the vehicle body faces the return-side cooling water passage 42 and the protruding side end 46 of the third pipe 46 faces the supply-side cooling water passage 41. In other words, the cooling water inlet of the oil cooling pipe is formed by the opening of the second g channel 46, and the cooling water of the oil cooling pipe 25 is formed by the open end of the first channel 45. In addition, between the aforementioned protruding side end portions 45a and 46a of the two pipes 45 and 46 and the wall surfaces of the two cooling water passages 41 and 42 are provided between the cooling water passage and the oil pan 21. Sealed O-ring 49. As shown in Fig. 4A to Fig. 6, a holding frame 50 is formed on the opposite side of the mounting flange 47 of the oil cooling pipe < A buffer rubber 51 ° is attached to the protruding piece 50a at the front end of the holding frame 50. As shown in Figs. 4 and 5, the buffer rubber "is inserted from the oil pan 21 into the crankcase half on the left side of the vehicle body 2 2 The holding portion 5 2 is formed in a cross-sectional shape. As described above, the buffer rubber 51 is interposed between the oil cooling pipe and the crankcase half portion 22 on the left side of the vehicle body, so that the oil can be reliably received. Cooling ^ Line 25-The front end supports the crankcase half 22 on the left side of the vehicle body. At the same time, when assembling the oil cooling line 25, it can prevent the assembly of the oil cooling line and the time, because the oil cooling line 25 and excessively pushed and damaged 85379 -11-1228569 crankcase half 22 on the left side of the car body. As mentioned above, the cooling oil pump for the cooling oil @ 路 25 系 will be used to connect the cooling water pump 33 and the hose connection member 3 8 simultaneously Group # A Right · Two, 〒, and take the crankcase cover 24 on the left side of the car body, and install 5 and connect the cooling water pump 3 3 and soft camp, hit seven, bu & connection members 3 8 second cooling water hose 37, and the connecting hose connection member J 8 and the third cooling water hose 1 of the cylinder 4 1 3, In order to form an integrated energy, Zhuang ~, Wen i installed the whole Shao component of the crankcase 3 cooling device 2 and the female farmer was in the engine 1, and the cooling water pump 33 was filled with the engine cooling water. Way of life and action, the engine cooling water from the Yuewen destroyer j 5 through the brother 1 and the second cooling water to the total " 7 冲水 # 人 官 36, 37, by the hose connection member 3 8 guides' from this hose connection for the camera and optional components ^ 8 through the supply side cooling water passage 41 in the crankcase cover 24, and for the 庳 zhao 丄, 人, person " Road 25. In this way, engine cooling water flows through the oil cooling battalion, Hall 1 J & Road 25, and engine oil 30 in the oil pan 21 is cooled by engine cooling water. The engine cooling water flowing from the oil s cooling line 25 is supplied to the cooling system including the return side cooling water passage 42 to the hose connection member 38 to the third cooling water hose 13 including the crankcase cover 24, and is supplied to The water jacket in the cylinder 4 ". Then, the engine cooling water for cooling the cylinder block 11 and the cylinder head 9 is returned from the cooling water outlet 34b of the cylinder head 9 to the radiator 35 through the fourth cooling water hose 39. Therefore, Since the engine cooling water flowing from the radiator 35 passes through the oil cooling pipe 25 in the oil pan 21, the dream cooling device 2 flows into the water jacket of the engine "inside", thus forming the entire amount of engine cooling water to be cooled by the aforementioned engine oil. Use line 25. Therefore, the car ’s first cooling device can improve the cooling efficiency of the motor oil. And, because the oil cooling pipe 25 in the oil pan 21 is tied to the inside of the oil pan -12- 85379 1228569 becomes 21 hours as if it produces six oils toward the car width, and it is U-shaped toward the I plane, so it is formed The oil in the temple | 21 is too large before and after 30. It is because the vehicle body direction & Jun Wanxiang increases the speed when driving. $ 女 朝 A 'style' makes the oil in the oil 1 2 1 on the oil pan 2 1. The flow in the direction of Γ is to make the aforementioned oil cooling tube and the wave form a U-shaped plane. Although the structure that reduces the flow through the engine 1 ... and the force is used, the heat with the oil 30 can be efficiently carried out. Father change. Normally, "P, set 2 is formed by the crankshaft cover 24 on the right side of the car body to form oil and million walls. Due to the opening of the oil cooling pipe in the oil pan 2 丨 support for the crankcase cover 24 'Simultaneously supports the cooling water Shiraura ^' Therefore, the cooling water f pump 33 and the oil cooling pipe 25, and the second cooling water hose 37 connected to these components can be used as support for the crankcase cover 24- Because of &, the operation of assembling the components of the aforementioned multiple cooling system in the engine 1 can be easily performed. In addition, the cooling device 2 is provided with a crankcase cover 24 that communicates with the left side of the vehicle body. The supply-side cooling water passage 4 丨 and the return-side cooling water passage 4 2 are split paths 40. Therefore, the relatively low-temperature engine cooling water is cut through the aforementioned split path and short-circuited from the upstream side of the oil cooling pipe 25. It flows to the downstream side. Therefore, the temperature of the engine cooling water of the water jacket 34 entering the engine can be lower than that of the non-installed point; the passage 40 is lowered, so that the engine cooling water can be prevented from being excessively heated by the oil 30. The engine cooling water can be supplied to the engine 1 at an appropriate temperature .- [Effect of the invention] As explained above, since the engine cooling water is completely passed through the oil pan at 85379 -13-1228569 ι: ρ = 路 二 ", the oil heat is efficiently transmitted to the engine cooling engine. The cooling device can sufficiently cool the engine oil. The invention of claim 2 of the Patent Fan Yuan, the cooling water provided in the oil pan is reduced by the pipeline; the engine surface ::, the resistance, and the efficient cooling of the engine when the cold part of the engine water flows through it, : ΓΤ also conducts heat exchange with engine oil, and it can be lower than 22% compared with the simple shape of the cooling water pipeline. The cooling device with high cooling performance of the water device can provide a lower cost than the previous cooling type 2: Special: ": The invention of the third item of the garden, because the cooling water pump and the υ axis I can be regarded as supporting components such as the cooling water hose :::? The assembly 'therefore assembles the aforementioned plurality of cooling system components to the engine < operation is simple. The invention of the 4th patent application for the patent garden ’is due to the relatively low temperature engine cooling” excessive_, flowing from the upstream side of the U-shaped pipe to the
下游側，因此進入引擎$ k I 拏 < 水套的引擎冷卻水溫度較未裝設 有分流通路時低。因此’本發明可防止引擎冷卻水=機 油而過度地升溫，而可將溫度適當之引擎冷卻水供應到引 擎。 【圖式簡單說明】 圖1係裝備有本發明相關之冷卻裝置之機車用引擎側視 圖。 圖2表示放大主要部之側視圖。 圖3係冷卻水幫浦及曲軸箱蓋之平面圖。 圖4表示將機油冷卻用管路安裝在引擎的狀態之平面圖。 85379 -14- 1228569 圖5係圖4中的V - V線剖面圖。 圖6係機油冷卻用管路之平面圖。 圖7表示從車體後侧看機油冷卻用管路的狀態之後面圖。 圖8表示從車體右側看機油冷卻用管路的狀態之側視圖。 圖9表示冷卻裝置構成之側視圖。 圖1 0表示冷卻裝置構成之立體圖。 圖1 1表示冷卻水通路構成之示意圖。 [圖式代表符號說明] 1 · · ·引擎、1 3 · · ·第3冷卻水軟管、2 1 · · ·油盤、24 · ••曲軸箱蓋、25 ···機油冷卻用管路、30 ···機油、33 • · ·冷卻水幫浦、3 4 · · ·水套、3 5 · · ·散熱器、3 6 · · · 第1冷卻水軟管、37 · · ·第2冷卻水軟管、38 · ·.軟管連接 用構件、39 ···第4冷卻水軟管、41 ···供應侧冷卻水通 路、4 2 · : ·返回側冷卻水通路、4 0 · · ·分流通路、4 7 · · •安裝用凸緣。 85379 -15 -On the downstream side, the temperature of the engine cooling water entering the engine $ k I < water jacket is lower than when no shunt is installed. Therefore, the present invention can prevent the engine cooling water = oil from excessively increasing the temperature, and can supply the engine cooling water with an appropriate temperature to the engine. [Brief description of the drawings] FIG. 1 is a side view of a locomotive engine equipped with a cooling device related to the present invention. FIG. 2 shows a side view of an enlarged main part. Figure 3 is a plan view of the cooling water pump and the crankcase cover. FIG. 4 is a plan view showing a state in which the oil cooling pipe is mounted on the engine. 85379 -14- 1228569 Figure 5 is a sectional view taken along the line V-V in Figure 4. Fig. 6 is a plan view of an oil cooling pipe. FIG. 7 is a rear view of the oil cooling pipe viewed from the rear side of the vehicle body. FIG. 8 is a side view showing a state where the oil cooling pipe is viewed from the right side of the vehicle body. Fig. 9 is a side view showing the structure of the cooling device. Fig. 10 is a perspective view showing the structure of the cooling device. FIG. 11 is a schematic diagram showing the structure of a cooling water passage. [Explanation of Symbols in Drawings] 1 · · · Engine, 1 3 · · · 3rd cooling water hose, 2 1 · · · Oil pan, 24 · ·· Crankcase cover, 25 ··· Oil cooling pipe , 30 ··· oil, 33 · · · cooling water pump, 3 4 · · · water jacket, 3 5 · · · radiator, 3 6 · · · 1st cooling water hose, 37 · · · 2nd Cooling water hose, 38 ... Hose connection member, 39 ... Fourth cooling water hose, 41 ... Supply-side cooling water passage, 4 2 ...: Return-side cooling water passage, 4 0 ... · · Shunt path, 4 7 · · · Mounting flange. 85379 -15-