WO2023169104A1 - 油底壳润滑系统及具有其的发动机 - Google Patents

油底壳润滑系统及具有其的发动机 Download PDF

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Publication number
WO2023169104A1
WO2023169104A1 PCT/CN2023/074224 CN2023074224W WO2023169104A1 WO 2023169104 A1 WO2023169104 A1 WO 2023169104A1 CN 2023074224 W CN2023074224 W CN 2023074224W WO 2023169104 A1 WO2023169104 A1 WO 2023169104A1
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WO
WIPO (PCT)
Prior art keywords
oil
lubrication system
oil pan
suction pipe
oil suction
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PCT/CN2023/074224
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English (en)
French (fr)
Inventor
孙栓
Original Assignee
潍柴动力股份有限公司
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Publication of WO2023169104A1 publication Critical patent/WO2023169104A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/02—Arrangements of lubricant conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means

Definitions

  • the present application relates to the field of engine technology, for example, to an oil pan lubrication system and an engine having the same.
  • the oil pan is detachably connected to the bottom of the engine, enclosing the bottom of the engine and serving as the casing of the oil reservoir. Among them, the oil pan is used to prevent external impurities from entering the engine body. At the same time, the oil pan can collect and store the lubricating oil flowing back from the friction surfaces of the diesel engine, and dissipate part of the heat of the lubricating oil to avoid oxidation of the lubricating oil.
  • This application provides an oil pan lubrication system and an engine with the same, which can handle the situation where the diesel engine cannot be used after the oil pump fails.
  • a first aspect of the application proposes an oil pan lubrication system, including:
  • a first lubrication system configured to pump the lubricating oil inside the oil pan into the main oil passage;
  • a second lubrication system the second lubrication system includes a second oil suction pipe, the second oil suction pipe can suck out the lubricating oil inside the oil pan under the action of external force.
  • the oil pan can be lubricated through the first lubrication system.
  • the oil pan can also be lubricated through the second oil suction pipe of the second lubrication system.
  • the oil pan is now lubricated to ensure that the diesel engine can be used normally.
  • oil pan lubrication system may also have the following additional technical features:
  • the second oil suction pipe is provided with an oil suction port, and the oil suction port is provided toward the bottom surface of the oil pan.
  • a filter is provided at the position of the oil suction port, and the filter collector is arranged around the oil suction port.
  • the filter collector includes a filter screen, the shape and size of the filter screen are adapted to the shape and size of the oil suction port.
  • the filter screen has an arc-shaped cylindrical structure.
  • the filter screen is detachably fixed on the surface of the second oil suction pipe.
  • the second oil suction pipe is disposed close to the bottom surface of the oil pan.
  • the projection of the oil suction port on the bottom surface of the oil pan is located at a central position.
  • an air hole is provided on the top of the second oil suction pipe.
  • a second aspect of the application proposes an engine including the oil pan lubrication system described above.
  • Figure 1 schematically shows a structural schematic diagram of an oil pan lubrication system from a first perspective according to an embodiment of the present application
  • Figure 2 is a cross-sectional view along line A-A of Figure 1;
  • Figure 3 schematically shows a structural schematic diagram of the oil pan lubrication system from a second perspective according to an embodiment of the present application
  • Figure 4 schematically shows a structural diagram of the second oil suction pipe in the oil pan according to an embodiment of the present application.
  • the reference numbers are as follows: 1-Oil pan; 2-Main engine oil filter; 3-First oil suction pipe; 4-Filter; 5-Second oil suction pipe; 6-First oil pump; 7-The first oil pump oil outlet; 8-Second oil pump interface flange; 9-clamp; 10-Stomata.
  • first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections shall not be referred to as restricted by these terms. These terms are only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as “first,” “second,” and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
  • spatially relative terms may be used herein to describe the relationship of one element or feature to another element or feature as shown in the figures. These relative terms For example, “inside”, “outside”, “inside”, “outside”, “under”, “below”, “top”, “top”, etc. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “below” or “beneath” other elements or features would then be oriented “above” or “beneath” the other elements or features. Features above”. Thus, the example term “below” may include an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
  • an oil pan lubrication system including an oil pan 1, a first lubrication system and a second lubrication system, wherein the first
  • the lubrication system includes a first oil pump 6 and a first oil suction pipe 3.
  • the first oil pump 6 is connected to the first oil suction pipe 3.
  • the first oil pump 6 pumps out the lubricating oil inside the oil pan 1 through the first oil suction pipe 3;
  • the second lubrication system includes a second oil suction pipe 5.
  • the second oil suction pipe 5 can suck out the lubricating oil inside the oil pan 1 under the action of external force.
  • the free end of the first oil suction pipe 3 is provided with a main engine oil filter 2, which is configured to filter the lubricating oil sucked by the first oil suction pipe 3.
  • the oil pan 1 can be lubricated through the first lubrication system composed of the first oil pump 6 and the first oil suction pipe 3. After the first lubrication system fails, the oil pan 1 can also be lubricated through the first lubrication system.
  • the second oil suction pipe 5 of the second lubrication system realizes lubrication of the oil pan 1. After the first oil pump 6 of the diesel engine fails, the second lubrication system can be started to ensure that the diesel engine can be used normally.
  • the second oil suction pipe 5 can be connected to a backup oil pump, and the lubricating oil inside the oil pan 1 can be sucked out by the backup oil pump.
  • the second oil suction pipe 5 can be Just suck the lubricating oil in the oil pan 1.
  • the second oil suction pipe 5 is provided with an oil suction port.
  • the oil suction port is arranged toward the bottom surface of the oil pan 1 , and there is a certain distance between the oil suction port and the bottom surface of the oil pan 1 , the distance is about 50 mm to 100 mm.
  • the second oil suction pipe 5 is provided along the bottom surface of the oil pan 1 , that is to say, the second oil suction pipe 5 is provided close to the bottom surface of the oil pan 1 , and is fixed to the oil pan 1 using a clamp 9 (see Figure 4 ). The bottom surface position prevents the second oil suction pipe 5 from sliding or shaking.
  • a second suction The oil pipe 5 can be arranged along the center line in the width direction of the oil pan 1.
  • the oil suction port can be arranged at the center of the oil pan 1. That is to say, for the rectangular box-shaped oil pan 1, the oil suction port is located at the oil pan 1.
  • the central position of the bottom shell 1 ensures that the backup oil pump will not be sucked empty when the ship is bumpy, ensuring the normal operation of the diesel engine.
  • a filter 4 is provided at the oil suction port.
  • the filter 4 is arranged to wrap around the oil suction port. By arranging the filter 4, the oil in the oil pan 1 entering the second oil suction pipe 5 can be filtered to prevent large particles. Enter the oil filter (not shown).
  • the first oil pump 6 is also provided with a first oil pump oil outlet 7.
  • the first oil pump oil outlet 7 is configured to transfer lubricating oil to the main oil channel system under the action of the first oil pump 6.
  • there are two first oil pump oil outlets 7 which are respectively provided at both ends of the first oil pump 6 , and are configured to transport lubricating oil from the first oil pump oil outlet 7 to the main oil passage system.
  • the filter collector 4 includes a filter screen, the shape and size of the filter screen are adapted to the shape and size of the oil suction port.
  • the oil suction port is a gap opened in the second oil suction pipe 5.
  • the filter screen can be wrapped to prevent large particles from entering the second oil suction pipe 5.
  • the filter screen has an arc-shaped structure, and the end of the filter screen is fixed on the surface of the second oil suction pipe 5.
  • the filter screen has a semi-cylindrical structure, which seals the oil suction port and can Make the bottom of the filter screen flush with the bottom of the second oil suction pipe 5 .
  • the filter screen is detachably fixed on the surface of the second oil suction pipe 5 .
  • the filter screen here is designed as a detachable structure, mainly to facilitate cleaning and replacement of the filter screen.
  • the filter screen and the second oil suction pipe 5 can also be fixedly connected, such as by diffusion welding, brazing or fusion welding, where the filter screen can be punched using a steel plate, where, The number of holes is multiple, and then they are made by bending them into a semi-cylindrical shape.
  • the diameter of the second oil suction pipe 5 is greater than or equal to the diameter of the first oil suction pipe 3 .
  • the diameter of the first oil suction pipe 3 is about 25 mm.
  • the top of the second oil suction pipe 5 is provided with an air hole 10, where the number of air holes 10 in Figure 4 is one. In other embodiments, the number of air holes 10 can also be provided as multiple, To prevent the pressure inside the second oil suction pipe 5 from being too large, causing the second oil suction pipe 5 to Efficiency decreases.
  • one end of the second oil suction pipe 5 passes through the side of the oil pan 1, and the oil pan 1 is provided with a second oil pump interface flange 8 outside the side where the second oil suction pipe 5 passes through.
  • the connection with the second oil pump can be realized to provide power for the second oil suction pipe 5 .
  • an engine including the above-mentioned oil pan lubrication system.
  • This application sets up a second lubrication system.
  • the diesel engine can output full power, ensuring that the diesel engine of normal use.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

一种油底壳润滑系统及具有其的发动机，油底壳润滑系统包括油底壳（1）、第一润滑系统和第二润滑系统，第一润滑系统设置为将油底壳（1）内部的润滑油泵入到主油道，第二润滑系统包括第二吸油管（5），第二吸油管（5）可在外力的作用下将油底壳（1）内部的润滑油吸出。油底壳润滑系统可通过第一润滑系统来实现油底壳（1）的润滑，当第一润滑系统失效后，还可以通过第二润滑系统的第二吸油管（5）实现油底壳（1）的润滑，保证发动机能够正常使用。

Description

油底壳润滑系统及具有其的发动机
本申请要求于2022年03月07日提交中国专利局的申请号为202220502884.0、发明名称为“油底壳润滑系统及具有其的发动机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及发动机技术领域，例如涉及一种油底壳润滑系统及具有其的发动机。
背景技术
油底壳以可拆卸的方式连接在发动机的底部，并将发动机的底部封闭且作为贮油槽的外壳。其中，油底壳用于避免外部杂质进入发动机机体内部，同时，油底壳可以收集和储存由柴油机各摩擦表面流回的润滑油，并散去润滑油的部分热量，避免润滑油发生氧化。
船舶的航程一般较长，且出海时间较久，船舶的发动机易于出现故障而导致机油泵失效，以至于发动机无法使用，给船上的物资以及人员造成重大的安全隐患，另外，在船舶颠簸时容易存在吸空情况。
发明内容
本申请提供一种油底壳润滑系统及具有其的发动机，能够处理柴油机在机油泵失效后无法使用的情况。
本申请的第一方面提出了一种油底壳润滑系统，包括：
油底壳；
第一润滑系统，所述第一润滑系统设置为将所述油底壳内部的润滑油泵入到主油道；以及
第二润滑系统，所述第二润滑系统包括第二吸油管，所述第二吸油管可在外力的作用下将所述油底壳内部的润滑油吸出。
根据本申请的油底壳润滑系统，可通过第一润滑系统来实现油底壳的润滑，当第一润滑系统失效后，还可以通过第二润滑系统的第二吸油管实 现油底壳润滑，保证柴油机能够正常使用。
另外，根据本申请的油底壳润滑系统，还可具有如下附加的技术特征：
在本申请的一些实施例中，所述第二吸油管设有吸油口，所述吸油口朝向所述油底壳的底面设置。
在本申请的一些实施例中，所述吸油口位置设有集滤器，所述集滤器包裹所述吸油口设置。
在本申请的一些实施例中，所述集滤器包括集滤网，所述集滤网的形状和尺寸与所述吸油口的形状和尺寸相适配。
在本申请的一些实施例中，所述集滤网呈弧形筒状结构。
在本申请的一些实施例中，所述集滤网可拆卸地固定于所述第二吸油管的表面。
在本申请的一些实施例中，所述第二吸油管靠近所述油底壳的底面设置。
在本申请的一些实施例中，所述吸油口在所述油底壳的的底面的投影位于中心位置。
在本申请的一些实施例中，所述第二吸油管的顶部设有气孔。
本申请的第二方面提出了一种发动机，包括上面所述的油底壳润滑系统。
附图说明
图1示意性地示出了根据本申请实施方式的油底壳润滑系统的第一视角的结构示意图；
图2为图1的A-A剖视图；
图3示意性地示出了根据本申请实施方式的油底壳润滑系统的第二视角的结构示意图；
图4示意性地示出了根据本申请实施方式的第二吸油管在油底壳中的结构示意图。
附图标记如下：
1-油底壳；
2-主机油集滤器；
3-第一吸油管；
4-集滤器；
5-第二吸油管；
6-第一机油泵；
7-第一机油泵出油口；
8-第二机油泵接口法兰；
9-卡箍；
10-气孔。
具体实施方式
应理解的是，文中使用的术语仅出于描述特定示例实施方式的目的，而无意于进行限制。除非上下文另外明确地指出，否则如文中使用的单数形式“一”、“一个”以及“所述”也可以表示包括复数形式。术语“包括”、“包含”、“含有”以及“具有”是包含性的，并且因此指明所陈述的特征、步骤、操作、元件和/或部件的存在，但并不排除存在或者添加一个或多个其它特征、步骤、操作、元件、部件、和/或它们的组合。文中描述的方法步骤、过程、以及操作不解释为必须要求它们以所描述或说明的特定顺序执行，除非明确指出执行顺序。还应当理解，可以使用另外或者替代的步骤。
尽管可以在文中使用术语第一、第二、第三等来描述多个元件、部件、区域、层和/或部段，但是，这些元件、部件、区域、层和/或部段不应被这些术语所限制。这些术语可以仅用来将一个元件、部件、区域、层或部段与另一区域、层或部段区分开。除非上下文明确地指出，否则诸如“第一”、“第二”之类的术语以及其它数字术语在文中使用时并不暗示顺序或者次序。因此，以下讨论的第一元件、部件、区域、层或部段在不脱离示例实施方式的教导的情况下可以被称作第二元件、部件、区域、层或部段。
为了便于描述，可以在文中使用空间相对关系术语来描述如图中示出的一个元件或者特征相对于另一元件或者特征的关系，这些相对关系术语 例如为“内部”、“外部”、“内侧”、“外侧”、“下面”、“下方”、“上面”、“上方”等。这种空间相对关系术语意于包括除图中描绘的方位之外的在使用或者操作中装置的不同方位。例如，如果在图中的装置翻转，那么描述为“在其它元件或者特征下面”或者“在其它元件或者特征下方”的元件将随后定向为“在其它元件或者特征上面”或者“在其它元件或者特征上方”。因此，示例术语“在……下方”可以包括在上和在下的方位。装置可以另外定向(旋转90度或者在其它方向)并且文中使用的空间相对关系描述符相应地进行解释。
如图1至图4所示，根据本申请的实施方式的第一方面，提出了一种油底壳润滑系统，包括油底壳1、第一润滑系统和第二润滑系统，其中，第一润滑系统包括第一机油泵6和第一吸油管3，第一机油泵6和第一吸油管3连接，第一机油泵6通过第一吸油管3将油底壳1内部的润滑油泵出；第二润滑系统包括第二吸油管5，第二吸油管5可在外力的作用下将油底壳1内部的润滑油吸出。
需要解释的是，第一吸油管3的自由端设有主机油集滤器2，设置为对第一吸油管3吸入的润滑油进行过滤。
根据本申请的油底壳润滑系统，可通过第一机油泵6和第一吸油管3组成的第一润滑系统来实现油底壳1的润滑，在第一润滑系统失效后，还可以通过第二润滑系统的第二吸油管5实现油底壳1的润滑，在柴油机的第一机油泵6失效后，可启动第二润滑系统，保证柴油机能够正常使用。
示例性地，第二吸油管5可与备用机油泵连接，通过备用机油泵将油底壳1内部的润滑油吸出，当然，也可以采用其他动力装置进行，只需要能够使得第二吸油管5吸取油底壳1中的润滑油即可。
可选的，第二吸油管5设有吸油口，吸油口朝向油底壳1的底面设置，且吸油口与油底壳1的底面之间具有一定距离，距离约50mm～100mm。其中，第二吸油管5沿着油底壳1的底面设置，也就是说，第二吸油管5靠近油底壳1的底面设置，采用卡箍9(参考图4)固定在油底壳1的底面位置，防止第二吸油管5出现滑动或者晃动的情况，相比于第一吸油管3的连接和固定方式，第二吸油管5的固定方式更加稳定。可选地，第二吸 油管5可沿着油底壳1宽度方向的中心线设置，此时，吸油口可设置于油底壳1的中心位置，也就是说对于呈矩形盒状的油底壳1，吸油口位于油底壳1的中心位置，在船舶颠簸时保证备用机油泵不会吸空，保证柴油机的正常运行。
参考图2，吸油口位置设有集滤器4，集滤器4呈包裹吸油口设置，通过设置集滤器4，可对油底壳1中进入第二吸油管5中的机油进行过滤，防止大颗粒进入机油滤清器(未图示)。
可选地，第一机油泵6还设有第一机油泵出油口7，第一机油泵出油口7设置为在第一机油泵6的作用下，将润滑油转移到主油道系统中，第一机油泵出油口7的数量为两个，分别设置于第一机油泵6的两端，设置为将润滑油从第一机油泵出油口7运输到主油道系统中。
可选地，集滤器4包括集滤网，集滤网的形状和尺寸与吸油口的形状和尺寸相适配。其中，吸油口是在第二吸油管5上开设的缺口，通过集滤网，可实现对该吸油口进行包裹，防止大颗粒进入第二吸油管5。示例性地，集滤网呈弧形状结构，集滤网的端部固定在第二吸油管5的表面上，具体地，集滤网呈半圆柱筒状结构，对吸油口进行封闭，且可使得集滤网的底部与第二吸油管5的底面平齐。
可选地，集滤网可拆卸地固定于第二吸油管5的表面。这里将集滤网设计为可拆卸结构，主要是为了方便对集滤网进行清理和更换。实示例性地，也可以将集滤网和第二吸油管5采用固定连接的方式，如扩散焊、钎焊或者熔焊的固定方式，其中，集滤网可采用钢板进行冲孔，其中，孔的数量为多个，然后折弯呈半圆筒状的工艺进行制作。
在一些可选实施例中，第二吸油管5的管径大于或者等于第一吸油管3的管径。通常情况下，第一吸油管3的直径为25毫米左右，通过将第二吸油管5的管径等于或者略大于25毫米，可保证柴油机在第一机油泵6坏掉后的满功率输出。
在一些可选实施例中，第二吸油管5的顶部设有气孔10，其中，气孔10在图4中的数量为一个，在其他实施例中，气孔10的数量也可以设置为多个，以防止第二吸油管5内部的压力过大，导致第二吸油管5的吸油 效率下降。
在一些可选实施例中，第二吸油管5的一端穿过油底壳1的侧面，油底壳1在第二吸油管5穿出的侧面外侧设有第二机油泵接口法兰8，可以实现与第二机油泵的连接，为第二吸油管5提供动力。
根据本申请的实施方式的第二方面，提出了一种发动机，包括上面所提到的油底壳润滑系统。
本申请设置了第二润滑系统，在第一机油泵6失效时，通过在第二吸油管5靠近第二机油泵接口法兰8的一端外接一个机油泵即可使柴油机满功率输出，保证柴油机的正常使用。

Claims (10)

  1. 一种油底壳润滑系统，包括：
    油底壳(1)；
    第一润滑系统，设置为将所述油底壳(1)内部的润滑油泵入到主油道；以及
    第二润滑系统，包括第二吸油管(5)，所述第二吸油管(5)可在外力的作用下将所述油底壳(1)内部的润滑油吸出。
  2. 根据权利要求1所述的油底壳润滑系统，其中，所述第二吸油管(5)设有吸油口，所述吸油口朝向所述油底壳(1)的底面设置。
  3. 根据权利要求2所述的油底壳润滑系统，其中，所述吸油口位置设有集滤器(4)，所述集滤器(4)包裹所述吸油口设置。
  4. 根据权利要求3所述的油底壳润滑系统，其中，所述集滤器(4)包括集滤网，所述集滤网的形状和尺寸与所述吸油口的形状和尺寸相适配。
  5. 根据权利要求4所述的油底壳润滑系统，其中，所述集滤网呈弧形状结构。
  6. 根据权利要求4所述的油底壳润滑系统，其中，所述集滤网可拆卸地固定于所述第二吸油管(5)的表面。
  7. 根据权利要求1所述的油底壳润滑系统，其中，所述第二吸油管(5)靠近所述油底壳(1)的底面设置。
  8. 根据权利要求2所述的油底壳润滑系统，其中，所述吸油口在所述油底壳(1)的底面的投影位于所述油底壳(1)的中心位置。
  9. 根据权利要求1所述的油底壳润滑系统，其中，所述第二吸油管(5)的顶部设有气孔(10)。
  10. 一种发动机，包括如权利要求1至9中任一项所述的油底壳润滑系统。
PCT/CN2023/074224 2022-03-07 2023-02-02 油底壳润滑系统及具有其的发动机 WO2023169104A1 (zh)

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JP2001073731A (ja) * 1999-09-04 2001-03-21 Honda Motor Co Ltd 内燃機関の潤滑装置
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