CN102297204A - Main bearing cover and main bearing seat fitting structure of engine - Google Patents
Main bearing cover and main bearing seat fitting structure of engine Download PDFInfo
- Publication number
- CN102297204A CN102297204A CN2011102097972A CN201110209797A CN102297204A CN 102297204 A CN102297204 A CN 102297204A CN 2011102097972 A CN2011102097972 A CN 2011102097972A CN 201110209797 A CN201110209797 A CN 201110209797A CN 102297204 A CN102297204 A CN 102297204A
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- main bearing
- bearing cap
- bolt
- bearing cover
- bearing seat
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- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention aims to provide a main bearing cover and main bearing seat fitting structure of an engine, so as to solve the problem of the bolt stress of a main bearing cover, prevent a bolt of the main bearing cover from being loosened and broken due to quite large force, and improve the load bearing capability of a main bearing. The main bearing cover and main bearing seat fitting structure of the engine comprises the main bearing cover and a main bearing seat; the top of the main bearing cover and the main bearing seat are fixedly connected through a first bolt which vertically penetrates through the main bearing cover; and the key points are that: both sides of the main bearing cover are fixedly connected with the main bearing seat through second bolts. The first bolt can prevent the main bearing cover from vibrating up and down, the second bolts can prevent the main bearing cover from vibrating horizontally, so that the main bearing cover is fixed in a plurality of directions, vibration is not produced even if the main bearing cover receives impact force in different directions when the engine works, and the bolt can be prevented from being loosened or broken.
Description
Technical field
The invention belongs to motor car engine manufacturing technology field, specially refer to a kind of main bearing cap of motor and the mounting structure that cooperates of main bearing seat.
Background technique
Current, the main bearing cap on the engine for automobile cylinder body mainly contains two types: integrated type and distributing.Distributing is that each main bearing all has oneself independently bearing cap, and main bearing cap is connected on the main bearing seat of cylinder body by bolt of main bearing cap.The distributing main bearing cap is simple in structure, in light weight, technology capability is good, very significantly cost advantage is arranged, so this structure is adopted in a large number on motor.When engine running, cylinder block is born very complicated load: each cylinder gas is to the gaseous-pressure of cylinder surface, through the lateral force of piston action in each cylinder wall, be added in power on each main bearing etc. through bent axle, the size of these power, direction constantly change with operating mode and crank angle, the effect of some power is also in continuous variation, and traditional bearing cap just is provided with vertical mounting hole in its bottom surface, utilize bolt, can't tackle the changeable impact force of direction, the loosening easily and fracture of bolt in actual use at all.
Summary of the invention
The objective of the invention is to propose a kind of main bearing cap of motor and the mounting structure that cooperates of main bearing seat, to solve the stressed problem of bolt of main bearing cap, the bolt that prevents main bearing cap becomes flexible and fracture because of being subjected to bigger power, thereby improves the bearing capacity of main bearing.
The main bearing cap of motor of the present invention comprises main bearing cap, main bearing seat with the mounting structure that cooperates of main bearing seat, be connected by vertical first bolt that runs through main bearing cap between the top of described main bearing cap and the main bearing seat, be connected by second bolt between the both sides that key is described main bearing cap and the main bearing seat.
Above-mentioned first bolt can prevent the main bearing cap up-down vibration, second bolt can prevent the main bearing cap horizontal vibration, so just main bearing cap is fixed in a plurality of directions, even main bearing cap is subjected to the impact force of a plurality of different direction when engine operation, vibration can be do not produced yet, therefore bolt looseness or fracture can be prevented.In addition, utilize bolt, can when strengthening connection, reduce the width of main bearing cap, and then reduce the width of motor, be convenient to engine arrangement in the both sides of main bearing cap.
Further, the top, both sides of described main bearing cap is provided with boss, and described boss and main bearing seat are interference fit.Boss can carry out spacing further to the substantially horizontal of main bearing cap, prevent the main bearing cap horizontal vibration.
Further, on described second bolt swivel nut is installed, described swivel nut is arranged between main bearing cap and the main bearing seat.Utilize instrument can rotate swivel nut when mounted, improve the bearing capacity of bearing, the secondary wearing and tearing of reducing friction, the generation of prevention " axis tile " phenomenon to reach the purpose of adjusting gap between main bearing cap and the main bearing seat.
Further, the angle between described first bolt and second bolt is an acute angle, and the attachment face of main bearing cap roughly is the frustoconic shape face like this, is convenient to the installation of the main bearing cap and second bolt.
Further, described first bolt has two, and is that symmetry axis is symmetrical arranged with the medial axis of main bearing cap; Described second bolt is that symmetry axis is symmetrical arranged with the medial axis of main bearing cap.Symmetrically arranged first bolt and second bolt can make main bearing cap stressed evenly, thereby prevent the main bearing cap vibration better.
Further, described main bearing cap is provided with lightening hole, when guaranteeing rigidity and intensity to reach the purpose of loss of weight.
The main bearing cap of motor of the present invention and main bearing seat cooperate mounting structure simplicity of design, compact structure, production and processing is easy, and is practical, can solve the stressed problem of bolt of main bearing cap effectively, makes it have very high reliability and durability.
Description of drawings
Fig. 1 is the main bearing cap of motor of the present invention and the structural representation that cooperates mounting structure of main bearing seat.
Embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and working principle etc. are described in further detail embodiment.
Embodiment 1:
As shown in Figure 1, the main bearing cap of present embodiment comprises main bearing cap 1, main bearing seat 2 with the mounting structure that cooperates of main bearing seat, fixedly connected by vertical first bolt 3 that runs through main bearing cap between the top of main bearing cap 1 and the main bearing seat 2, first bolt 3 has two, and is that symmetry axis is symmetrical arranged with the medial axis of main bearing cap 1; Fixedly connected by second bolt 4 between the both sides of main bearing cap 1 and the main bearing seat 2, second bolt 4 is that symmetry axis is symmetrical arranged with the medial axis of main bearing cap 1, on second bolt 4 swivel nut 5 is installed, and swivel nut 5 is arranged between main bearing cap 1 and the main bearing seat 2; The top, both sides of main bearing cap 1 is provided with boss 6, and boss 6 is an interference fit with main bearing seat 2.
In addition, the angle between first bolt 3 and second bolt 4 is an acute angle, and the attachment face of main bearing cap 1 roughly is the frustoconic shape face like this, is convenient to the installation of the main bearing cap 1 and second bolt 4.
Main bearing cap 1 is provided with lightening hole 7, when guaranteeing rigidity and intensity to reach the purpose of loss of weight.
Claims (7)
1. the mounting structure that cooperates of the main bearing cap of a motor and main bearing seat, comprise main bearing cap, main bearing seat, be connected by vertical first bolt that runs through main bearing cap between the top of described main bearing cap and the main bearing seat, be connected by second bolt between the both sides that it is characterized in that described main bearing cap and the main bearing seat.
2. the mounting structure that cooperates of the main bearing cap of motor according to claim 1 and cylinder body is characterized in that the top, both sides of described main bearing cap is provided with boss, and described boss and main bearing seat are interference fit.
3. the mounting structure that cooperates of the main bearing cap of motor according to claim 1 and cylinder body is characterized in that on described second bolt swivel nut being installed, and described swivel nut is arranged between main bearing cap and the main bearing seat.
4. according to the main bearing cap of claim 1 or 2 or 3 described motors and the mounting structure that cooperates of cylinder body, it is characterized in that the angle between described first bolt and second bolt is an acute angle.
5. according to the main bearing cap of claim 1 or 2 or 3 described motors and the mounting structure that cooperates of cylinder body, it is characterized in that described first bolt has two, and be that symmetry axis is symmetrical arranged with the medial axis of main bearing cap.
6. according to the main bearing cap of claim 1 or 2 or 3 described motors and the mounting structure that cooperates of cylinder body, it is characterized in that described second bolt is that symmetry axis is symmetrical arranged with the medial axis of main bearing cap.
7. according to the main bearing cap of claim 1 or 2 or 3 described motors and the mounting structure that cooperates of cylinder body, it is characterized in that described main bearing cap is provided with lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102097972A CN102297204A (en) | 2011-07-26 | 2011-07-26 | Main bearing cover and main bearing seat fitting structure of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102097972A CN102297204A (en) | 2011-07-26 | 2011-07-26 | Main bearing cover and main bearing seat fitting structure of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102297204A true CN102297204A (en) | 2011-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102097972A Pending CN102297204A (en) | 2011-07-26 | 2011-07-26 | Main bearing cover and main bearing seat fitting structure of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102297204A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921156A (en) * | 2014-03-18 | 2014-07-16 | 上海中船三井造船柴油机有限公司 | Diesel engine main bearing block and main bearing cap joint face machining method and presetting die plates therefor |
| CN107143579A (en) * | 2017-06-23 | 2017-09-08 | 能诚集团有限公司 | Bearing block structure and the jaw crusher with it |
| CN109915304A (en) * | 2019-03-18 | 2019-06-21 | 哈尔滨电机厂有限责任公司 | A kind of pump-storage generator safeguard construction |
| CN109958570A (en) * | 2019-03-18 | 2019-07-02 | 哈尔滨电机厂有限责任公司 | A kind of top cover safe connection structure of high water head hydraulic |
| CN111289165A (en) * | 2020-03-10 | 2020-06-16 | 中国第一汽车股份有限公司 | Device and method for measuring excitation force of cam shaft to cam bearing cover |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3632072A1 (en) * | 1986-09-20 | 1988-03-24 | Audi Ag | Bearing design for the crankshaft of an internal combustion engine |
| DE19645691A1 (en) * | 1996-11-06 | 1998-05-14 | Bayerische Motoren Werke Ag | Crankshaft bearing for especially V piston engine |
| US6471406B1 (en) * | 1996-05-03 | 2002-10-29 | Gkn Sinter Metals, Inc. | Side-bolt bearing caps |
| CN101144439A (en) * | 2007-11-09 | 2008-03-19 | 奇瑞汽车有限公司 | Main shaft holder structure for gasoline engine cylinder |
| CN201546835U (en) * | 2009-10-14 | 2010-08-11 | 奇瑞汽车股份有限公司 | Connection structure for main bearing cover and cylinder body of engine |
-
2011
- 2011-07-26 CN CN2011102097972A patent/CN102297204A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3632072A1 (en) * | 1986-09-20 | 1988-03-24 | Audi Ag | Bearing design for the crankshaft of an internal combustion engine |
| US6471406B1 (en) * | 1996-05-03 | 2002-10-29 | Gkn Sinter Metals, Inc. | Side-bolt bearing caps |
| DE19645691A1 (en) * | 1996-11-06 | 1998-05-14 | Bayerische Motoren Werke Ag | Crankshaft bearing for especially V piston engine |
| CN101144439A (en) * | 2007-11-09 | 2008-03-19 | 奇瑞汽车有限公司 | Main shaft holder structure for gasoline engine cylinder |
| CN201546835U (en) * | 2009-10-14 | 2010-08-11 | 奇瑞汽车股份有限公司 | Connection structure for main bearing cover and cylinder body of engine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921156A (en) * | 2014-03-18 | 2014-07-16 | 上海中船三井造船柴油机有限公司 | Diesel engine main bearing block and main bearing cap joint face machining method and presetting die plates therefor |
| CN103921156B (en) * | 2014-03-18 | 2016-04-27 | 上海中船三井造船柴油机有限公司 | The processing method of diesel engine main bearing seat and main beating cap joint face and tool setting template |
| CN107143579A (en) * | 2017-06-23 | 2017-09-08 | 能诚集团有限公司 | Bearing block structure and the jaw crusher with it |
| CN107143579B (en) * | 2017-06-23 | 2022-12-02 | 能诚集团有限公司 | Bearing frame structure and have its jaw breaker |
| CN109915304A (en) * | 2019-03-18 | 2019-06-21 | 哈尔滨电机厂有限责任公司 | A kind of pump-storage generator safeguard construction |
| CN109958570A (en) * | 2019-03-18 | 2019-07-02 | 哈尔滨电机厂有限责任公司 | A kind of top cover safe connection structure of high water head hydraulic |
| CN111289165A (en) * | 2020-03-10 | 2020-06-16 | 中国第一汽车股份有限公司 | Device and method for measuring excitation force of cam shaft to cam bearing cover |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111228 |