WO2021223420A1 - Oil path bridging mechanism for engine braking system - Google Patents
Oil path bridging mechanism for engine braking system Download PDFInfo
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- WO2021223420A1 WO2021223420A1 PCT/CN2020/131922 CN2020131922W WO2021223420A1 WO 2021223420 A1 WO2021223420 A1 WO 2021223420A1 CN 2020131922 W CN2020131922 W CN 2020131922W WO 2021223420 A1 WO2021223420 A1 WO 2021223420A1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
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- Fig. 1 is a schematic top view of an oil circuit jumper mechanism according to an embodiment of the present invention
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Valve Device For Special Equipments (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
An oil path bridging mechanism for an engine braking system comprises a rocker shaft (1) and a bridging block (2). The rocker shaft (1) is provided at an installation base (6) of an engine. An oil supply channel (11) is provided inside the rocker shaft (1). The oil supply channel (11) is used to convey a lubricant oil. The rocker shaft (1) has an installation hole (12) extending vertically therethrough. The bridging block (2) is provided on the rocker shaft (1). The bridging block (2) has an oil-guiding hole (22) in communication with the installation hole (12). The lubricant oil in the oil supply channel (11) is output, from an oil output hole (26) of the bridging block (2), to a brake (3) of an engine braking system after passing through the installation hole (12) and the oil-guiding hole (22). In the invention, a bridging block (2) is provided to convey a lubricant oil in a rocker shaft (1) to a brake (3) of an engine braking system so as to meet the braking requirements thereof.
Description
本发明是关于发动机制造领域，特别是关于一种发动机(商用)制动***的油路跨接机构。The invention relates to the field of engine manufacturing, in particular to an oil circuit bridging mechanism of an engine (commercial) brake system.
根据国家法规GB7258-2017：车长大于9m的客车(对专用校车为车长大于8m)、总重量大于或等于12000kg的货车和专项作业车、总重量大于3500kg的危险货物运输车，应装备缓速器或其他辅助制动装置。According to national regulations GB7258-2017: Passenger cars with a length greater than 9m (for special school buses with a length greater than 8m), trucks and special operation vehicles with a total weight greater than or equal to 12000kg, and dangerous goods transport vehicles with a total weight greater than 3,500kg shall be equipped with delays. Speed gear or other auxiliary braking devices.
行业中制动器油路采用油管连接，占用空间大，结构复杂，不牢靠，机油压力损失比较多，不容易达到制动器开启需求的机油压力。In the industry, the brake oil circuit is connected by an oil pipe, which takes up a large space, has a complicated structure, is not reliable, and has a relatively large oil pressure loss. It is not easy to reach the oil pressure required by the brake to open.
公开于该背景技术部分的信息仅仅旨在增加对本发明的总体背景的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。The information disclosed in the background section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an acknowledgement or any form of suggestion that the information constitutes the prior art already known to those of ordinary skill in the art.
发明内容Summary of the invention
本发明的目的在于提供一种发动机制动***的油路跨接机构，其通过设置跨接块将摇臂轴内的润滑油输送至发动机制动***的制动器满足制动需要。The object of the present invention is to provide an oil circuit bridging mechanism of an engine brake system, which delivers the lubricating oil in the rocker shaft to the brake of the engine brake system by setting a bridging block to meet the braking requirements.
为实现上述目的，本发明提供了一种发动机制动***的油路跨接机构，包括摇臂轴以及跨接块。摇臂轴设置在发动机的安装座上，摇臂轴内设置有供油道，供油道用于输送润滑油，摇臂轴包括垂直穿过摇臂轴的安装孔；跨接块设置在摇臂轴轴上，跨接块包括导油孔，导油孔连通于安装孔；其中供油道内的润滑油经过安装孔和导油孔后从跨接块的输出油孔输出至发动机制动***的制动器。In order to achieve the above objective, the present invention provides an oil circuit bridge mechanism of an engine braking system, which includes a rocker shaft and a bridge block. The rocker arm shaft is arranged on the mounting seat of the engine. The rocker arm shaft is provided with an oil supply channel for conveying lubricating oil. The rocker arm shaft includes a mounting hole perpendicularly passing through the rocker arm shaft; On the arm shaft, the jumper block includes an oil guide hole, which is connected to the installation hole; the lubricating oil in the oil supply channel is output from the output oil hole of the jumper block to the engine brake system after passing through the installation hole and the oil guide hole Brake.
在一优选的实施方式中，跨接块还包括安装圆弧、安装平面以及输油道。安装圆弧设置在跨接块一端的下表面，安装圆弧的形状与摇臂轴的外圆相匹配；安装平面位于安装圆弧相对的上表面，导油孔同时垂直贯穿安装圆弧和安装平面，安装平面用于连接螺栓的锁紧；输油道设置在跨接块内，输油道连通于导油孔，输出油孔设置在跨接块的另一端且与输油道连通；其中连接螺栓同时穿过导油孔和安装孔，将跨接块和摇臂轴连接在一起，并将二者一同固定在安装座上。In a preferred embodiment, the jumper block further includes an installation arc, an installation plane, and an oil conveying channel. The installation arc is set on the lower surface of one end of the jumper block, and the shape of the installation arc matches the outer circle of the rocker shaft; the installation plane is located on the upper surface opposite to the installation arc, and the oil guide hole vertically penetrates the installation arc and installation at the same time The plane, the installation plane is used to lock the connecting bolts; the oil delivery channel is arranged in the jumper block, the oil delivery channel is connected to the oil guide hole, and the output oil hole is arranged at the other end of the jumper block and communicates with the oil delivery channel; The connecting bolts pass through the oil guide hole and the mounting hole at the same time, connect the jumper block and the rocker shaft together, and fix the two together on the mounting seat.
在一优选的实施方式中，发动机制动***的油路跨接机构还包括机油处理设备及油管，其设置在跨接块的输出油孔和制动器之间。In a preferred embodiment, the oil circuit bridging mechanism of the engine brake system further includes an oil processing device and an oil pipe, which are arranged between the oil output hole of the bridging block and the brake.
在一优选的实施方式中，跨接块还包括工艺孔，其设置在输油道的一端，工艺孔用于输油道的加工。In a preferred embodiment, the bridging block further includes a process hole, which is arranged at one end of the oil conveying channel, and the process hole is used for processing the oil conveying channel.
在一优选的实施方式中，安装孔包括上孔以及下孔，上孔和下孔同轴，且上孔的直径大于下孔的直径。In a preferred embodiment, the mounting hole includes an upper hole and a lower hole, the upper hole and the lower hole are coaxial, and the diameter of the upper hole is larger than the diameter of the lower hole.
与现有技术相比，本发明的发动机制动***的油路跨接机构采用摇臂轴跨接块连接摇臂轴与制动器形成油路，使结构更加紧凑，占用空间小，容易满足制动器开启需求的最小机油压力。Compared with the prior art, the oil circuit bridge mechanism of the engine brake system of the present invention adopts the rocker arm shaft bridge block to connect the rocker arm shaft and the brake to form an oil circuit, so that the structure is more compact, the space is small, and the brake is easy to be opened. The minimum oil pressure required.
图1是根据本发明一实施方式的油路跨接机构的俯视示意图；Fig. 1 is a schematic top view of an oil circuit jumper mechanism according to an embodiment of the present invention;
图2是根据本发明一实施方式的油路跨接机构的侧视分解示意图；2 is an exploded schematic diagram of a side view of an oil circuit jumper mechanism according to an embodiment of the present invention;
图3是根据本发明一实施方式的跨接块和摇臂轴的连接示意图；Figure 3 is a schematic diagram of the connection between a jumper block and a rocker shaft according to an embodiment of the present invention;
图4是根据本发明一实施方式的跨接块的剖视示意图；4 is a schematic cross-sectional view of a jumper block according to an embodiment of the present invention;
图5是根据本发明一实施方式的摇臂轴安装孔的剖视示意图。Fig. 5 is a schematic cross-sectional view of a rocker shaft mounting hole according to an embodiment of the present invention.
主要附图标记说明：Description of main reference signs:
1-摇臂轴，11-供油道，12-安装孔，121-上孔，122-下孔，2-跨接块，21- 安装圆弧，22-导油孔，23-安装平面，24-输油道，25-工艺孔，26-输出油孔，3-制动器，4-机油处理设备及油管，5-连接螺栓，6-安装座。1- rocker shaft, 11- oil supply channel, 12- mounting hole, 121- upper hole, 122- lower hole, 2- jumper block, 21- installation arc, 22- oil guide hole, 23- installation plane, 24-oil passage, 25-process hole, 26-output oil hole, 3-brake, 4-oil processing equipment and tubing, 5-connecting bolt, 6-mounting seat.
下面结合附图，对本发明的具体实施方式进行详细描述，但应当理解本发明的保护范围并不受具体实施方式的限制。The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
除非另有其它明确表示，否则在整个说明书和权利要求书中，术语“包括”或其变换如“包含”或“包括有”等等将被理解为包括所陈述的元件或组成部分，而并未排除其它元件或其它组成部分。Unless otherwise expressly stated otherwise, throughout the specification and claims, the term "comprising" or its transformations such as "including" or "including" will be understood to include the stated elements or components, and not Other elements or other components are not excluded.
如图1至图3所示，根据本发明优选实施方式的一种发动机制动***的油路跨接机构，包括摇臂轴1以及跨接块2。摇臂轴1设置在发动机的安装座6上，摇臂轴1内设置有供油道11，供油道11用于输送润滑油，摇臂轴1包括垂直穿过摇臂轴1的安装孔12。跨接块2设置在摇臂轴1轴上，跨接块2包括导油孔22，导油孔22连通于安装孔12和输出油孔26。As shown in FIGS. 1 to 3, an oil passage bridge mechanism of an engine brake system according to a preferred embodiment of the present invention includes a rocker arm shaft 1 and a bridge block 2. The rocker shaft 1 is arranged on the mounting seat 6 of the engine. An oil supply passage 11 is provided in the rocker shaft 1 for conveying lubricating oil. The rocker shaft 1 includes a mounting hole vertically passing through the rocker shaft 1 12. The bridging block 2 is arranged on the shaft of the rocker arm shaft 1, and the bridging block 2 includes an oil guiding hole 22 which is connected to the mounting hole 12 and the oil output hole 26.
如图4所示，在本实施方式中，跨接块2还包括安装圆弧21、安装平面23、输油道24以及输出油孔26。安装圆弧21设置在跨接块2一端的下表面，安装圆弧21的形状与摇臂轴1的外圆相匹配。安装平面23位于安装圆弧21相对的上表面，导油孔22同时垂直贯穿安装圆弧21和安装平面23，安装平面23用于连接螺栓5的锁紧和密封作用。输油道24设置在跨接块2内，输油道24连通于导油孔22。输出油孔26设置在跨接块2的另一端，输出油孔26与输油道24连通。其中连接螺栓5同时穿过导油孔22和安装孔12，将跨接块2和摇臂轴1连接在一起，并将二者一同固定在安装座6上。As shown in FIG. 4, in this embodiment, the jumper block 2 further includes an installation arc 21, an installation plane 23, an oil passage 24 and an oil output hole 26. The installation arc 21 is arranged on the lower surface of one end of the jumper block 2, and the shape of the installation arc 21 matches the outer circle of the rocker shaft 1. The installation plane 23 is located on the opposite upper surface of the installation arc 21, the oil guide hole 22 vertically penetrates the installation arc 21 and the installation plane 23 at the same time, and the installation plane 23 is used for locking and sealing of the connecting bolt 5. The oil delivery passage 24 is arranged in the bridging block 2, and the oil delivery passage 24 is connected to the oil guide hole 22. The output oil hole 26 is provided at the other end of the jumper block 2, and the output oil hole 26 is in communication with the oil delivery passage 24. The connecting bolt 5 passes through the oil guide hole 22 and the mounting hole 12 at the same time, connects the jumper block 2 and the rocker shaft 1 together, and fixes the two on the mounting seat 6 together.
请参阅图2，在一些实施方式中，发动机制动***的油路跨接机构还包括机油处理设备及油管4，其设置在跨接块2的输出油孔26和制动器3之间。机油处理设备用于将从摇臂轴1内导出的润滑油进行处理，以达到用于制动器3的要求。油管用于跨接块2与机油处理设备以及机油处理设备与制动器3 之间的连接。Referring to FIG. 2, in some embodiments, the oil passage bridge mechanism of the engine brake system further includes an oil processing device and an oil pipe 4, which is arranged between the output oil hole 26 of the bridge block 2 and the brake 3. The oil processing equipment is used to process the lubricating oil derived from the rocker shaft 1 to meet the requirements for the brake 3. The oil pipe is used for the connection between the bridging block 2 and the oil treatment equipment and the oil treatment equipment and the brake 3.
请参阅图3和图4，在些实施方式中，跨接块2还包括工艺孔25设置在输油道24的一端，工艺孔25用于输油道24的加工。在实际运用中，工艺孔25用油堵(未绘示)封闭。Referring to FIGS. 3 and 4, in some embodiments, the bridging block 2 further includes a process hole 25 provided at one end of the oil conveying passage 24, and the process hole 25 is used for processing the oil conveying passage 24. In actual use, the process hole 25 is closed with an oil plug (not shown).
如图5所示，在一些实施方式中，安装孔12包括上孔121以及下孔122，上孔121和下孔122同轴，且上孔121的直径大于下孔122的直径。在本实施例中，安装孔12基本是利用原摇臂轴1的安装孔12，只不过是将上孔121略微扩大一些，例如由原来的10.5mm扩大至12mm，这样有利于润滑油(请参阅图3中黑色箭头的示意方向)从连接螺栓5和上孔121之间的缝隙中进入到跨接块2的导油孔22内。下孔122外扩不能破坏原有的密封要求。As shown in FIG. 5, in some embodiments, the mounting hole 12 includes an upper hole 121 and a lower hole 122, the upper hole 121 and the lower hole 122 are coaxial, and the diameter of the upper hole 121 is larger than the diameter of the lower hole 122. In this embodiment, the mounting hole 12 basically uses the mounting hole 12 of the original rocker shaft 1, except that the upper hole 121 is slightly enlarged, for example, from the original 10.5mm to 12mm, which is good for lubricating oil (please Refer to the schematic direction of the black arrow in FIG. 3) from the gap between the connecting bolt 5 and the upper hole 121 into the oil guide hole 22 of the jumper block 2. The expansion of the lower hole 122 cannot destroy the original sealing requirement.
本发明的发动机制动***的油路跨接机构的工作原理如下：摇臂轴1供油道11内的润滑油经过安装孔12的上孔121进入跨接块2的导油孔22，再流经输油道24和输出油孔26后进入机油处理设备及油管4，最后输出至发动机制动***的制动器3。The working principle of the oil passage bridge mechanism of the engine brake system of the present invention is as follows: the lubricating oil in the oil supply passage 11 of the rocker shaft 1 enters the oil guide hole 22 of the bridge block 2 through the upper hole 121 of the mounting hole 12, and then After flowing through the oil delivery passage 24 and the output oil hole 26, it enters the oil processing equipment and the oil pipe 4, and finally is output to the brake 3 of the engine braking system.
综上所述，本发明的发动机制动***的油路跨接机构采用摇臂轴跨接块连接摇臂轴与制动器形成油路，使结构更加紧凑，占用空间小，容易满足制动器开启需求的最小机油压力。同时也更加方便在有限的空间中布置。In summary, the oil circuit jumper mechanism of the engine brake system of the present invention uses the rocker arm shaft jumper block to connect the rocker arm shaft and the brake to form an oil circuit, making the structure more compact, occupying a small space, and easily meeting the requirements of brake opening. Minimum oil pressure. At the same time, it is more convenient to arrange in a limited space.
前述对本发明的具体示例性实施方案的描述是为了说明和例证的目的。这些描述并非想将本发明限定为所公开的精确形式，并且很显然，根据上述教导，可以进行很多改变和变化。对示例性实施例进行选择和描述的目的在于解释本发明的特定原理及其实际应用，从而使得本领域的技术人员能够实现并利用本发明的各种不同的示例性实施方案以及各种不同的选择和改变。本发明的范围意在由权利要求书及其等同形式所限定。The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and illustration. These descriptions are not intended to limit the invention to the precise form disclosed, and it is obvious that many changes and changes can be made based on the above teachings. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can implement and use various exemplary embodiments and various different embodiments of the present invention. Choice and change. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims (5)
- 一种发动机制动***的油路跨接机构，其特征在于，包括：An oil circuit bridging mechanism of an engine braking system, which is characterized in that it comprises:摇臂轴，其设置在发动机的安装座上，所述摇臂轴内设置有供油道，所述供油道用于输送润滑油，所述摇臂轴包括垂直穿过所述摇臂轴的安装孔；以及The rocker arm shaft is arranged on a mounting seat of the engine, an oil supply passage is provided in the rocker arm shaft, and the oil supply passage is used for conveying lubricating oil. Mounting holes; and跨接块，其设置在所述摇臂轴轴上，所述跨接块包括导油孔，所述导油孔连通于所述安装孔；A jumper block, which is arranged on the rocker arm shaft, the jumper block includes an oil guide hole, and the oil guide hole communicates with the mounting hole;其中所述供油道内的润滑油经过所述安装孔和所述导油孔后从所述跨接块的输出油孔输出至所述发动机制动***的制动器。The lubricating oil in the oil supply passage is output from the oil output hole of the jumper block to the brake of the engine brake system after passing through the mounting hole and the oil guide hole.
- 如权利要求1所述的发动机制动***的油路跨接机构，其特征在于，所述跨接块还包括：The oil circuit bridge mechanism of the engine braking system according to claim 1, wherein the bridge block further comprises:安装圆弧，其设置在所述跨接块一端的下表面，所述安装圆弧的形状与所述摇臂轴的外圆相匹配；An installation arc, which is set on the lower surface of one end of the jumper block, and the shape of the installation arc matches the outer circle of the rocker shaft;安装平面，其位于所述安装圆弧相对的上表面，所述导油孔同时垂直贯穿所述安装圆弧和所述安装平面，所述安装平面用于所述连接螺栓的锁紧；以及An installation plane, which is located on the upper surface opposite to the installation arc, the oil guide hole vertically penetrates the installation arc and the installation plane at the same time, and the installation plane is used for locking the connecting bolts; and输油道，其设置在所述跨接块内，所述输油道连通于所述导油孔；所述输出油孔设置在所述跨接块的另一端，所述输出油孔与所述输油道连通；The oil delivery channel is arranged in the jumper block, the oil delivery channel is connected to the oil guide hole; the output oil hole is arranged at the other end of the jumper block, and the output oil hole is connected to the The oil pipeline is connected;其中所述连接螺栓同时穿过所述导油孔和所述安装孔，将所述跨接块和所述摇臂轴连接在一起，并将二者一同固定在所述安装座上。The connecting bolt passes through the oil guide hole and the mounting hole at the same time, connects the bridge block and the rocker shaft together, and fixes the two together on the mounting seat.
- 如权利要求2所述的发动机制动***的油路跨接机构，其特征在于，还包括机油处理设备及油管，其设置在所述跨接块的所述输出油孔和所述制动器之间。The oil circuit bridge mechanism of the engine brake system of claim 2, further comprising an oil processing device and an oil pipe, which are arranged between the output oil hole of the bridge block and the brake .
- 如权利要求2所述的发动机制动***的油路跨接机构，其特征在于，所述跨接块还包括工艺孔，其设置在所述输油道的一端，所述工艺孔用于所述输油道的加工。The oil circuit bridging mechanism of the engine brake system according to claim 2, wherein the bridging block further comprises a process hole, which is provided at one end of the oil delivery channel, and the process hole is used for the process hole. Describe the processing of the oil pipeline.
- 如权利要求1所述的发动机制动***的油路跨接机构，其特征在于，所述安装孔包括上孔以及下孔，所述上孔和所述下孔同轴，且所述上孔的直径大于所述下孔的直径。The oil path bridging mechanism of an engine brake system according to claim 1, wherein the mounting hole includes an upper hole and a lower hole, the upper hole and the lower hole are coaxial, and the upper hole The diameter of is greater than the diameter of the lower hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010380291.7 | 2020-05-08 | ||
| CN202010380291.7A CN111472861B (en) | 2020-05-08 | 2020-05-08 | Oil circuit bridging mechanism of engine braking system |
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| Publication Number | Publication Date |
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| WO2021223420A1 true WO2021223420A1 (en) | 2021-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2020/131922 WO2021223420A1 (en) | 2020-05-08 | 2020-11-26 | Oil path bridging mechanism for engine braking system |
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| CN (1) | CN111472861B (en) |
| WO (1) | WO2021223420A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111472861B (en) * | 2020-05-08 | 2024-04-02 | 广西玉柴机器股份有限公司 | Oil circuit bridging mechanism of engine braking system |
Citations (7)
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| JPH07293219A (en) * | 1994-04-28 | 1995-11-07 | Daihatsu Motor Co Ltd | Oil pump device provided in engine valve system mechanism part |
| CN201314248Y (en) * | 2008-11-11 | 2009-09-23 | 无锡开普机械有限公司 | Valve rock arm device for internal-combustion engine |
| CN202325734U (en) * | 2011-11-09 | 2012-07-11 | 中国第一汽车股份有限公司 | Engine braked rocker arm shaft support |
| CN109404082A (en) * | 2017-08-18 | 2019-03-01 | 曼卡车和巴士股份公司 | For being rotatably mounted the device of camshaft |
| CN109899162A (en) * | 2019-03-19 | 2019-06-18 | 潍柴动力股份有限公司 | A kind of exhaust and brake system and engine |
| CN111472861A (en) * | 2020-05-08 | 2020-07-31 | 广西玉柴机器股份有限公司 | Oil circuit bridging mechanism of engine braking system |
| CN212154897U (en) * | 2020-05-08 | 2020-12-15 | 广西玉柴机器股份有限公司 | Oil circuit bridging mechanism of engine braking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200159945Y1 (en) * | 1997-12-31 | 1999-12-01 | 정몽규 | Lubricating structure of rocker arm shaft of engine |
| KR101143559B1 (en) * | 2009-09-25 | 2012-05-24 | 기아자동차주식회사 | Apparaus of engine brake having combined oil passage |
| CN106133286B (en) * | 2014-02-14 | 2018-07-06 | 伊顿(意大利)有限公司 | For the rocker arm assembly of engine braking |
| CN204386680U (en) * | 2015-01-08 | 2015-06-10 | 浙江康和机械科技有限公司 | A kind of motor rockshaft and Rocker arm assembly |
| CN105351400B (en) * | 2015-12-10 | 2018-06-19 | 广西玉柴机器股份有限公司 | The rocker arm bracket of cylinder inner brake oils lubrication system |
| CN205714318U (en) * | 2016-07-06 | 2016-11-23 | 北京福田康明斯发动机有限公司 | Multi-oil-passage rocker arm shaft and brake unit |
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2020
- 2020-05-08 CN CN202010380291.7A patent/CN111472861B/en active Active
- 2020-11-26 WO PCT/CN2020/131922 patent/WO2021223420A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07293219A (en) * | 1994-04-28 | 1995-11-07 | Daihatsu Motor Co Ltd | Oil pump device provided in engine valve system mechanism part |
| CN201314248Y (en) * | 2008-11-11 | 2009-09-23 | 无锡开普机械有限公司 | Valve rock arm device for internal-combustion engine |
| CN202325734U (en) * | 2011-11-09 | 2012-07-11 | 中国第一汽车股份有限公司 | Engine braked rocker arm shaft support |
| CN109404082A (en) * | 2017-08-18 | 2019-03-01 | 曼卡车和巴士股份公司 | For being rotatably mounted the device of camshaft |
| CN109899162A (en) * | 2019-03-19 | 2019-06-18 | 潍柴动力股份有限公司 | A kind of exhaust and brake system and engine |
| CN111472861A (en) * | 2020-05-08 | 2020-07-31 | 广西玉柴机器股份有限公司 | Oil circuit bridging mechanism of engine braking system |
| CN212154897U (en) * | 2020-05-08 | 2020-12-15 | 广西玉柴机器股份有限公司 | Oil circuit bridging mechanism of engine braking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111472861B (en) | 2024-04-02 |
| CN111472861A (en) | 2020-07-31 |
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