WO2016201598A1 - Bearing bush for automobile engine - Google Patents

Bearing bush for automobile engine Download PDF

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Publication number
WO2016201598A1
WO2016201598A1 PCT/CN2015/081441 CN2015081441W WO2016201598A1 WO 2016201598 A1 WO2016201598 A1 WO 2016201598A1 CN 2015081441 W CN2015081441 W CN 2015081441W WO 2016201598 A1 WO2016201598 A1 WO 2016201598A1
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Prior art keywords
oil
bearing bush
bearing
storage tank
oil storage
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French (fr)
Chinese (zh)
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钱国庆
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Individual
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Priority to PCT/CN2015/081441 priority Critical patent/WO2016201598A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication

Definitions

  • the invention relates to a bearing bush for an automobile engine.
  • the bearing bush also called the “shaft bushing” is the part of the sliding bearing that is in contact with the shaft. It is mounted on the shaft and the shaft supported by the bearing to support and fix the bearing.
  • the main shape is a tile-shaped semi-cylindrical surface.
  • the inner wall of the traditional bearing bush is smooth, the lubricating oil can not be stored after entering the inner wall of the bearing bush, and the lubricating oil needs to be added frequently. Since the lubricating oil needs to be added to the inner contact surface of the rotating shaft and the bearing bush, the rotating shaft needs to be added every time the lubricating oil is added. After the shaft is disassembled and then added to the inside, the whole process is cumbersome and inconvenient to the user. In addition to the existing bearing bushes, there are problems such as low structural strength, large friction coefficient, poor bearing capacity, inconvenient installation and short service life.
  • a bearing bush [application number: 201120087199.8], which comprises a semi-cylindrical bearing body having oil-filling holes penetrating the bearing body and for adding lubricating oil, and both sides of the bearing body
  • the edge is respectively provided with a positioning edge extending radially along the bearing body, and an oil groove is arranged on the inner surface of the bearing bush, and the path of the oil groove passes through the position of the oil filling hole.
  • the oil groove is disposed along the circumferential direction of the bearing body, and the bearing body is further provided with a positioning protrusion and a positioning groove.
  • the invention provides a bearing bush for an automobile engine, which is convenient for lubricating the rotating shaft resting on the bearing bush.
  • a bearing bush for an automobile engine characterized in that it comprises a bearing body, and the two sides of the back of the bearing body are respectively provided with positioning edges, and the front central portion of the bearing body is formed
  • the oil storage tank is provided with an oil injection hole at the bottom of the oil storage tank, and each oil injection hole penetrates through the bearing body.
  • An oil guiding groove is further disposed on both sides of the inner inner wall of the oil storage tank, and the oil guiding groove is disposed at an edge of the oil storage groove.
  • the depth of the oil storage tank is greater than or equal to the depth of the oil guiding groove.
  • bearing body is also provided with a sealing filler.
  • the sealing packing provided in the accommodating groove locks the lubricating oil between the bearing bush and the rotating shaft into a labyrinth oil film, thereby improving the sealing property of the lubricating oil; and the oil storage groove opened at the bottom of the accommodating groove can
  • the stored lubricating oil forms a circulation loop between the bearing bush and the rotating shaft, which improves the lubrication effect of the rotating shaft and the bearing bush, and also improves the service life of the bearing bush, and ensures the normal operation of the machine.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Fig. 2 is a view showing a state in which the bearing body is fitted with a sealing packing.
  • a bearing bush for an automobile engine is characterized in that it comprises a bearing body 1, and the two sides of the back side of the bearing body 1 are respectively provided with positioning edges 11, and the front central portion of the bearing body 1 is curved.
  • the oil storage tank 2 is provided with an oil injection hole 3 at the bottom of the oil storage tank 2, and each oil injection hole 3 passes through the bearing body 1 , and an oil guiding groove 4 is further disposed on both sides of the inner inner wall of the oil storage tank 2, and the oil guiding groove 4 is disposed in the storage tank 2 At the edge of the oil groove 2.
  • the structure is simple and reasonable, the lubricating oil in the oil storage tank 2 can be quickly and evenly diffused to the inner wall of the whole bearing shell body 1, the friction coefficient is small, the bearing capacity is strong, the strength is high, the wear resistance is strong, and the installation is convenient. Easy to add lubricant and long service life.
  • the sealing packing 5 provided in the accommodating groove locks the lubricating oil between the bearing bush and the rotating shaft into a labyrinth oil film, thereby improving the sealing property of the lubricating oil; and accommodating the oil sump 2 at the bottom of the accommodating groove,
  • the stored lubricating oil can form a circulation loop between the bearing bush and the rotating shaft, which improves the lubrication effect of the rotating shaft and the bearing bush, and also improves the service life of the bearing bush, and ensures the normal operation of the machine.
  • the semi-annular body and the sealing packing 5 have the same inner diameter as the rotating shaft; the inner side of the body has a receiving groove; the receiving groove is provided with a sealing packing 5, and the outer side of the sealing packing 5 is fitted with the rotating shaft;
  • the bearing bush of the invention adopts a sealing packing 5 provided in the accommodating groove, and between the bearing bush and the rotating shaft
  • the lubricating oil is locked into a labyrinth oil film to improve the sealing performance of the lubricating oil; and the oil storage tank 2 opened at the bottom of the accommodating groove can form a circulation loop between the bearing bush and the rotating shaft, thereby improving the rotation.
  • the lubrication effect of the shaft and the bearing bush also improves the service life of the bearing bush and ensures the normal operation of the machine.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

A bearing bush for an automobile engine comprises a bearing bush body (1). Positioning edges (11) are respectively disposed on two sides of the back of the bearing bush body. An arc-shaped oil storage tank (2) is disposed in the middle of the front of the bearing bush body. Oil filling holes (3) are formed in the bottom of the oil storage tank. The oil filling holes penetrate through the bearing bush body. Oil guide grooves (4) are respectively formed in two sides of the inner wall of the oil storage tank. The oil guide grooves are disposed at an edge of the oil storage tank. The bearing bush has a simple and reasonable structure, lubricating oil in the oil storage tank can be rapidly and uniformly spread to the inner wall of the whole bearing bush body, the friction coefficient is small, the carrying capacity is strong, the strength is high, the abrasion resistance capability is strong, the installation is convenient, the addition of the lubricating oil is convenient, and the service life is long.

Description

一种汽车发动机用轴瓦Bearing bush for automobile engine 技术领域Technical field

本发明涉及一种汽车发动机用轴瓦。The invention relates to a bearing bush for an automobile engine.

背景技术Background technique

轴瓦也叫“轴衬”，是滑动轴承和轴接触的部分，被安装于轴上与轴承支撑的轴颈部，用于对轴承起支撑固定作用。主要形状为瓦状的半圆柱面。滑动轴承工作时，轴瓦与转轴之间要求有一层很薄的油膜起润滑作用。如果由于润滑不良，轴瓦与转轴之间就存在直接的摩擦的状态，摩擦会产生很高的温度易造成轴的损坏，所以转轴和轴瓦之间需要得到充分的润滑。传统的轴瓦内壁为光滑的，润滑油进入轴瓦内壁后无法储存，需要频繁的添加润滑油，由于需要将润滑油添加到转轴与轴瓦的内部接触面上，这使得每次添加润滑油需要将转轴和轴瓦分拆开后再往内部添加，整个过程工序繁琐，给用户带来不便。除此之外现有的轴瓦还存在着：结构强度低，摩擦系数大，承载力差，安装不便，使用寿命短等问题。The bearing bush, also called the “shaft bushing”, is the part of the sliding bearing that is in contact with the shaft. It is mounted on the shaft and the shaft supported by the bearing to support and fix the bearing. The main shape is a tile-shaped semi-cylindrical surface. When the sliding bearing is working, a thin oil film is required between the bearing bush and the rotating shaft to lubricate. If there is a direct friction between the bearing bush and the rotating shaft due to poor lubrication, the friction will generate a high temperature and easily cause damage to the shaft, so sufficient lubrication needs to be obtained between the rotating shaft and the bearing bush. The inner wall of the traditional bearing bush is smooth, the lubricating oil can not be stored after entering the inner wall of the bearing bush, and the lubricating oil needs to be added frequently. Since the lubricating oil needs to be added to the inner contact surface of the rotating shaft and the bearing bush, the rotating shaft needs to be added every time the lubricating oil is added. After the shaft is disassembled and then added to the inside, the whole process is cumbersome and inconvenient to the user. In addition to the existing bearing bushes, there are problems such as low structural strength, large friction coefficient, poor bearing capacity, inconvenient installation and short service life.

为了解决现有技术存在的问题，人们进行了长期的探索，提出了各式各样的解决方案。例如，中国专利文献公开了一种轴瓦[申请号：201120087199.8]，包括有半圆柱状的轴瓦体，轴瓦体上设有贯穿轴瓦体并用于添加润滑油的添油孔，所述轴瓦体上两侧边处分别设置有沿轴瓦体径向延伸出的定位边，轴瓦体内表面上设有油槽，该油槽的路径经过添油孔所在位置。所述油槽沿轴瓦体周向设置，轴瓦体上还设有定位凸块和定位凹槽。In order to solve the problems existing in the prior art, people have conducted long-term exploration and proposed various solutions. For example, the Chinese patent document discloses a bearing bush [application number: 201120087199.8], which comprises a semi-cylindrical bearing body having oil-filling holes penetrating the bearing body and for adding lubricating oil, and both sides of the bearing body The edge is respectively provided with a positioning edge extending radially along the bearing body, and an oil groove is arranged on the inner surface of the bearing bush, and the path of the oil groove passes through the position of the oil filling hole. The oil groove is disposed along the circumferential direction of the bearing body, and the bearing body is further provided with a positioning protrusion and a positioning groove.

上述方案在一定程度上解决了现有的轴瓦不方便添加润滑油的问题，但是该方案依然存在着：结构强度低，油槽内的润滑油不易扩散，润滑油无法均匀 到达轴瓦整个内壁，摩擦系数大，安装不便，使用寿命短的问题。The above solution solves the problem that the existing bearing bush is inconvenient to add lubricating oil to a certain extent, but the solution still exists: the structural strength is low, the lubricating oil in the oil groove is not easy to spread, and the lubricating oil cannot be evenly distributed. It reaches the entire inner wall of the bearing bush, has a large friction coefficient, is inconvenient to install, and has a short service life.

发明内容Summary of the invention

本发明提供一种汽车发动机用轴瓦，便于对搁置在轴瓦上的转轴进行很好的润滑。The invention provides a bearing bush for an automobile engine, which is convenient for lubricating the rotating shaft resting on the bearing bush.

为达到上述发明目的本发明所采用的技术方案是：一种汽车发动机用轴瓦，其特征是，包括轴瓦本体，所述的轴瓦本体的背面两侧分别设有定位边，轴瓦本体的正面中部形成弧形的储油槽，所述储油槽的底部设置有注油孔，各注油孔贯穿轴瓦本体，在储油槽的内内壁两侧还分别设置有导油槽，导油槽设置于储油槽的棱边处。The technical solution adopted by the present invention for achieving the above object is: a bearing bush for an automobile engine, characterized in that it comprises a bearing body, and the two sides of the back of the bearing body are respectively provided with positioning edges, and the front central portion of the bearing body is formed The oil storage tank is provided with an oil injection hole at the bottom of the oil storage tank, and each oil injection hole penetrates through the bearing body. An oil guiding groove is further disposed on both sides of the inner inner wall of the oil storage tank, and the oil guiding groove is disposed at an edge of the oil storage groove.

进一步的，所述的储油槽的深度大小大于或等于导油槽的深度大小。Further, the depth of the oil storage tank is greater than or equal to the depth of the oil guiding groove.

进一步的，所述的轴瓦本体与储油槽均呈圆弧状且所述的轴瓦本体与储油槽同轴。Further, the bearing body and the oil storage groove are both arc-shaped and the bearing body is coaxial with the oil storage groove.

进一步的，所述轴瓦本体上还是设置有密封填料。Further, the bearing body is also provided with a sealing filler.

进一步的，所述的轴瓦本体的至少一端设有定位凸起。Further, at least one end of the bearing body is provided with a positioning protrusion.

本发明的有益效果是：结构简单合理，储油槽内的润滑油能快速均匀的扩散到整个轴瓦本体内壁，摩擦系数小，承载力强，强度高，耐磨损能力强，安装方便，便于添加润滑油，使用寿命长。The invention has the advantages that the structure is simple and reasonable, the lubricating oil in the oil storage tank can be quickly and uniformly diffused to the inner wall of the whole bearing bush, the friction coefficient is small, the bearing capacity is strong, the strength is high, the wear resistance is strong, the installation is convenient, and the installation is convenient. Lubricating oil, long service life.

其采用容置槽内设有的密封填料，将轴瓦与旋转轴之间的润滑油锁紧呈一个迷宫油膜，提高了润滑油的密封性；而且容置槽底部开有的储油槽，能够将储存的润滑油在轴瓦和旋转轴之间形成一个循环回路，提高了旋转轴和轴瓦的润滑效果，也提高了轴瓦的使用寿命，保证了机器的正常运行。The sealing packing provided in the accommodating groove locks the lubricating oil between the bearing bush and the rotating shaft into a labyrinth oil film, thereby improving the sealing property of the lubricating oil; and the oil storage groove opened at the bottom of the accommodating groove can The stored lubricating oil forms a circulation loop between the bearing bush and the rotating shaft, which improves the lubrication effect of the rotating shaft and the bearing bush, and also improves the service life of the bearing bush, and ensures the normal operation of the machine.

附图说明DRAWINGS

图1是本发明的结构示意图。 Figure 1 is a schematic view of the structure of the present invention.

图2是轴瓦本体配合密封填料使用时的状态图。Fig. 2 is a view showing a state in which the bearing body is fitted with a sealing packing.

其中，1、轴瓦本体，11、定位边、12、定位凸起，2、储油槽、3、注油孔，4、导油槽，5、密封填料。Among them, 1, bearing body, 11, positioning edge, 12, positioning protrusion, 2, oil storage tank, 3, oil injection hole, 4, oil guiding groove, 5, sealing filler.

具体实施方式detailed description

如图1图2所示，一种汽车发动机用轴瓦，其特征是，包括轴瓦本体1，所述的轴瓦本体1的背面两侧分别设有定位边11，轴瓦本体1的正面中部形成弧形的储油槽2，所述储油槽2的底部设置有注油孔3，各注油孔3贯穿轴瓦本体1，在储油槽2的内内壁两侧还分别设置有导油槽4，导油槽4设置于储油槽2的棱边处。As shown in FIG. 1 and FIG. 2, a bearing bush for an automobile engine is characterized in that it comprises a bearing body 1, and the two sides of the back side of the bearing body 1 are respectively provided with positioning edges 11, and the front central portion of the bearing body 1 is curved. The oil storage tank 2 is provided with an oil injection hole 3 at the bottom of the oil storage tank 2, and each oil injection hole 3 passes through the bearing body 1 , and an oil guiding groove 4 is further disposed on both sides of the inner inner wall of the oil storage tank 2, and the oil guiding groove 4 is disposed in the storage tank 2 At the edge of the oil groove 2.

储油槽2的深度大小大于或等于导油槽4的深度大小。轴瓦本体1与储油槽2均呈圆弧状且所述的轴瓦本体1与储油槽2同轴。轴瓦本体1上还是设置有密封填料5。轴瓦本体1的至少一端设有定位凸起12。The depth of the oil sump 2 is greater than or equal to the depth of the oil guide groove 4. Both the bearing shell body 1 and the oil storage tank 2 are arc-shaped and the bearing shell body 1 is coaxial with the oil reservoir 2 . A sealing packing 5 is also provided on the bearing shell body 1. At least one end of the bearing shell body 1 is provided with a positioning protrusion 12.

本新型轴瓦的优点在于：结构简单合理，储油槽2内的润滑油能快速均匀的扩散到整个轴瓦本体1内壁，摩擦系数小，承载力强，强度高，耐磨损能力强，安装方便，便于添加润滑油，使用寿命长。The advantages of the new bearing bush are: the structure is simple and reasonable, the lubricating oil in the oil storage tank 2 can be quickly and evenly diffused to the inner wall of the whole bearing shell body 1, the friction coefficient is small, the bearing capacity is strong, the strength is high, the wear resistance is strong, and the installation is convenient. Easy to add lubricant and long service life.

其采用容置槽内设有的密封填料5，将轴瓦与旋转轴之间的润滑油锁紧呈一个迷宫油膜，提高了润滑油的密封性；而且容置槽底部开有的储油槽2，能够将储存的润滑油在轴瓦和旋转轴之间形成一个循环回路，提高了旋转轴和轴瓦的润滑效果，也提高了轴瓦的使用寿命，保证了机器的正常运行。The sealing packing 5 provided in the accommodating groove locks the lubricating oil between the bearing bush and the rotating shaft into a labyrinth oil film, thereby improving the sealing property of the lubricating oil; and accommodating the oil sump 2 at the bottom of the accommodating groove, The stored lubricating oil can form a circulation loop between the bearing bush and the rotating shaft, which improves the lubrication effect of the rotating shaft and the bearing bush, and also improves the service life of the bearing bush, and ensures the normal operation of the machine.

半圆环形本体和密封填料5的内径与旋转轴相同；所述本体内侧开有容置槽；容置槽内设有密封填料5，且密封填料5的外侧与旋转轴贴合；所述容置槽的底部开有八个储油槽2，且储油为条形；所述容置槽的深度大于储油槽2的深度。本发明的轴瓦，采用容置槽内设有的密封填料5，将轴瓦与旋转轴之间的 润滑油锁紧呈一个迷宫油膜，提高了润滑油的密封性；而且容置槽底部开有的储油槽2，能够将储存的润滑油在轴瓦和旋转轴之间形成一个循环回路，提高了旋转轴和轴瓦的润滑效果，也提高了轴瓦的使用寿命，保证了机器的正常运行。The semi-annular body and the sealing packing 5 have the same inner diameter as the rotating shaft; the inner side of the body has a receiving groove; the receiving groove is provided with a sealing packing 5, and the outer side of the sealing packing 5 is fitted with the rotating shaft; There are eight oil storage tanks 2 at the bottom of the tank, and the oil storage is strip-shaped; the depth of the accommodating tank is greater than the depth of the oil storage tank 2. The bearing bush of the invention adopts a sealing packing 5 provided in the accommodating groove, and between the bearing bush and the rotating shaft The lubricating oil is locked into a labyrinth oil film to improve the sealing performance of the lubricating oil; and the oil storage tank 2 opened at the bottom of the accommodating groove can form a circulation loop between the bearing bush and the rotating shaft, thereby improving the rotation. The lubrication effect of the shaft and the bearing bush also improves the service life of the bearing bush and ensures the normal operation of the machine.

以上详细描述了本发明的较佳具体实施例。应当理解，本领域的普通技术人员无需创造性劳动就可以根据本发明的构思作出诸多修改和变化。因此，凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应落入本发明的保护范围内。 The above has described in detail the preferred embodiments of the invention. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, any technical solution that can be obtained by a person skilled in the art according to the prior art by logic analysis, reasoning or limited experiment according to the prior art should fall within the protection scope of the present invention.

Claims (5)

一种汽车发动机用轴瓦，其特征是，包括轴瓦本体，所述的轴瓦本体的背面两侧分别设有定位边，轴瓦本体的正面中部形成弧形的储油槽，所述储油槽的底部设置有注油孔，各注油孔贯穿轴瓦本体，在储油槽的内内壁两侧还分别设置有导油槽，导油槽设置于储油槽的棱边处。A bearing bush for an automobile engine, comprising: a bearing body, wherein the two sides of the back side of the bearing body are respectively provided with positioning edges, wherein a front middle portion of the bearing body forms an arc-shaped oil storage groove, and a bottom of the oil storage groove is provided The oil injection hole, each oil injection hole penetrates the bearing body, and an oil guiding groove is further disposed on both sides of the inner inner wall of the oil storage tank, and the oil guiding groove is disposed at an edge of the oil storage groove. 根据权利要求1所述的一种汽车发动机用轴瓦，其特征是，所述的储油槽的深度大小大于或等于导油槽的深度大小。The bearing pad for an automobile engine according to claim 1, wherein the oil reservoir has a depth greater than or equal to a depth of the oil guiding groove. 根据权利要求1所述的一种汽车发动机用轴瓦，其特征是，所述的轴瓦本体与储油槽均呈圆弧状且所述的轴瓦本体与储油槽同轴。The bearing pad for an automobile engine according to claim 1, wherein the bearing body and the oil reservoir are both arc-shaped and the bearing body is coaxial with the oil reservoir. 根据权利要求1所述的一种汽车发动机用轴瓦，其特征是，所述轴瓦本体上还是设置有密封填料。The bearing pad for an automobile engine according to claim 1, wherein the bearing pad body is further provided with a sealing filler. 根据权利要求1所述的一种汽车发动机用轴瓦，其特征是，所述的轴瓦本体的至少一端设有定位凸起。 A bush for an automobile engine according to claim 1, wherein at least one end of said bush body is provided with a positioning projection.
PCT/CN2015/081441 2015-06-15 2015-06-15 Bearing bush for automobile engine Ceased WO2016201598A1 (en)

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PCT/CN2015/081441 WO2016201598A1 (en) 2015-06-15 2015-06-15 Bearing bush for automobile engine

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CN201934512U (en) * 2011-03-29 2011-08-17 浙江一铭机车部件有限公司 Bearing bush
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CN107919195A (en) * 2017-12-19 2018-04-17 无锡科茂金属材料有限公司 A kind of inserted nylined bearing device of rare earth zinc steel strand wires
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CN115157017B (en) * 2022-07-14 2023-08-08 哈尔滨电气动力装备有限公司 Manufacturing process of graphite guide shoe of large-sized shielding motor

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