CN102297038A - Main bearing seat of engine - Google Patents
Main bearing seat of engine Download PDFInfo
- Publication number
- CN102297038A CN102297038A CN2011102666530A CN201110266653A CN102297038A CN 102297038 A CN102297038 A CN 102297038A CN 2011102666530 A CN2011102666530 A CN 2011102666530A CN 201110266653 A CN201110266653 A CN 201110266653A CN 102297038 A CN102297038 A CN 102297038A
- Authority
- CN
- China
- Prior art keywords
- lower base
- upper pedestal
- bearing hole
- hole
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007704 transition Effects 0.000 claims abstract description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 49
- 238000010276 construction Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910001060 Gray iron Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000004663 powder metallurgy Methods 0.000 claims description 3
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000005728 strengthening Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention aims to provide a main bearing seat of an engine with high strength. The main bearing seat of the engine comprises an upper seat body and a lower seat body, wherein the bottom center of the upper seat body is provided with a first semicircular bearing hole, and the upper seat body is provided with bolt mounting holes at two sides of the first bearing hole; the top center of the lower seat body is provided with a second semicircular bearing hole, the lower seat body is provided with bolt mounting holes at two sides of the second bearing hole, and the upper seat body is connected with the lower seat body through bolts; the first bearing hole is in circular cambered surface transition with the cambered surface of the upper seat body; and fan-shaped arc surface reinforcing bars are arranged between the second bearing hole and the bottom of the lower seat body. By arranging the reinforcing bars of multiple structures, the strength of the whole main bearing seat of the engine can be effectively improved, and the using requirement of the engine is met; and meanwhile, the main bearing seat of the engine has assembly positioning function and is convenient to install.
Description
Technical field
The invention belongs to the engine manufacturing technology field, specially refer to a kind of engine spindle bearing.
Background technique
Along with fuel economy regulation, emission regulation demands are more and more stricter, for satisfying and reaching these requirements, have only the power per liter and the pressure of explosion that promote motor significantly, this just requires the intensity of engine interior carrying component increasing, and in order to reach this requirement of strength, it is abundant generally can to do component very, and this has not only reduced motor specific mass power and moment of torsion, has also reduced the specific mass fuel oil consumption of motor.Therefore should carry out Structural Strength Design optimization as much as possible, alleviate engine weight, improve the complete machine power character and the Economy of motor, make the intensity optimization of motor.
Main bearing seat is the main carrying lotus position of engine cylinder system, the maximum outbreak pressure of motor mainly acts on the main bearing seat by connecting rod, therefore the intensity and the structural design of main bearing seat influence normal working of engine, if strength deficiency, to cause that engine spindle bricklayer work is unusual, and bent axle locking of motor Bearing score and motor occur and scrap.Therefore necessary optimal design main bearing seat satisfies the motor usage requirement to improve its intensity.
Summary of the invention
The objective of the invention is to propose the higher engine spindle bearing of a kind of intensity.
Engine spindle bearing of the present invention comprises upper pedestal and lower base, and the bottom center of described upper pedestal is provided with semicircle clutch shaft bearing hole, and upper pedestal is provided with the construction bolt hole in the both sides in clutch shaft bearing hole; The center of top of described lower base is provided with semicircle second bearing hole, and lower base is provided with the construction bolt hole in the both sides of second bearing hole, and upper pedestal is connected by bolt with lower base; Key is to be between the construction bolt hole of described clutch shaft bearing hole and upper pedestal circular cambered surface transition; Described lower base is provided with fan-shaped arc surface stiffening rib between second bearing hole and lower base bottom surface.
It between the construction bolt hole of described clutch shaft bearing hole and upper pedestal circular cambered surface transition, lower base is provided with fan-shaped arc surface stiffening rib between second bearing hole and lower base bottom surface, intensity that not only can the strengthening stud mounting hole, it is serious to prevent that Main bearing bolt from installing the back seat body deformability, and when increasing pedestal intensity, both alleviate the weight of main bearing cap, reduced the peripheral processing of pedestal simultaneously, reduced processing cost.
For further strengthening intensity, described upper pedestal is arranged at intervals with some stiffening ribs between clutch shaft bearing hole and upper pedestal end face, be round-corner transition between the bolt mounting holes of upper pedestal and the clutch shaft bearing hole; Between second bearing hole of described lower base and the fan-shaped arc surface stiffening rib is round-corner transition.
Further, for making things convenient for installing and locating, described upper pedestal and lower base are provided with the locating face that cooperatively interacts.Specifically, the locating face of described upper pedestal and lower base all is arranged at the outside in construction bolt hole, and vertical with the surface of contact of lower base with upper pedestal.The locating face of lower base is sandwiched between the locating face of upper pedestal when mounted, can play good position-limiting action.
Further, concentrate, be provided with chamfering between the locating face of described upper pedestal and lower base and the surface of contact for strengthening that guiding is installed and reducing stress.
Further, described upper pedestal adopts the gray cast iron casting to form, and described lower base adopts spheroidal graphite cast iron or powder metallurgy manufacturing to form, and forging type is simple, can reduce process step.
Engine spindle bearing of the present invention can effectively improve integral intensity by the stiffening rib of multiple structure is set, and satisfies the usage requirement of motor, and also design has the assembling and positioning function simultaneously, the convenient installation.
Description of drawings
Fig. 1 is the erection drawing of engine spindle bearing of the present invention.
Fig. 2 is the structural representation of the upper pedestal in the engine spindle bearing of the present invention.
Fig. 3 is the structural representation of the lower base in the engine spindle bearing of the present invention.
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, 2, 3, the engine spindle bearing of present embodiment comprises upper pedestal 1 lower base 2 that manufacturing forms with employing powder metallurgy that adopts the gray cast iron casting to form, the bottom center of upper pedestal 1 is provided with semicircle clutch shaft bearing hole 11, and upper pedestal 1 is provided with construction bolt hole 12 in the both sides in clutch shaft bearing hole 11; The center of top of lower base 2 is provided with semicircle second bearing hole 21, and lower base 2 is provided with construction bolt hole 22 in the both sides of second bearing hole 21, and upper pedestal 1 is connected by bolt 3 with lower base 2.
Between the construction bolt hole 12 of clutch shaft bearing hole 11 and upper pedestal circular cambered surface 13 transition, upper pedestal 1 is arranged at intervals with three stiffening ribs 14 between clutch shaft bearing hole 11 and upper pedestal end face, be fillet 15 transition between the construction bolt hole 12 of upper pedestal 1 and the clutch shaft bearing hole 11.
For making things convenient for installing and locating, upper pedestal 1 is provided with the locating face that cooperatively interacts with lower base 2.Specifically, the locating face 16 of upper pedestal 1 is arranged at the outside in construction bolt hole 12, and vertical with the surface of contact of lower base 2 with upper pedestal 1; The locating face 25 of lower base 2 is arranged at the outside in construction bolt hole 22, and vertical with the surface of contact of lower base 2 with upper pedestal 1. and the locating face 25 of lower base is sandwiched between the locating face 15 of upper pedestal when mounted, can play good position-limiting action.
Concentrate for strengthening that guiding is installed and reducing stress, be provided with chamfering 17 between the locating face 16 of described upper pedestal and the surface of contact, be provided with chamfering 26 between the locating face 25 of lower base and the surface of contact.
The intensity that lower base 2 adopts big fan-shaped arc surface stiffening rib 23 to come strengthening stud mounting hole 22, it is serious to prevent that bolt from installing 2 distortion of back lower base, under accession pedestal 2 intensity the time, has both alleviated the weight of lower base 2, reduce lower base 2 peripheral processing simultaneously, reduced processing cost.Upper pedestal 1 adopts big circular cambered surface 13 to strengthen the intensity in clutch shaft bearing hole 11, and the zone evenly rationally is provided with three big stiffening ribs 14 between two bolt mounting holes 12, has both guaranteed the intensity of upper pedestal 1, has reduced the weight of upper pedestal 1 simultaneously as far as possible.
Claims (8)
1. an engine spindle bearing comprises upper pedestal and lower base, and the bottom center of described upper pedestal is provided with semicircle clutch shaft bearing hole, and upper pedestal is provided with the construction bolt hole in the both sides in clutch shaft bearing hole; The center of top of described lower base is provided with semicircle second bearing hole, and lower base is provided with the construction bolt hole in the both sides of second bearing hole, and upper pedestal is connected by bolt with lower base; It is characterized in that being between the construction bolt hole of described clutch shaft bearing hole and upper pedestal circular cambered surface transition; Described lower base is provided with fan-shaped arc surface stiffening rib between second bearing hole and lower base bottom surface.
2. engine spindle bearing according to claim 1 is characterized in that described upper pedestal is arranged at intervals with some stiffening ribs between clutch shaft bearing hole and upper pedestal end face.
3. engine spindle bearing according to claim 1 is characterized in that being between the bolt mounting holes of described upper pedestal and the clutch shaft bearing hole round-corner transition.
4. engine spindle bearing according to claim 1 is characterized in that being between second bearing hole of described lower base and the fan-shaped arc surface stiffening rib round-corner transition.
5. according to claim 1 or 2 or 3 or 4 described engine spindle bearings, it is characterized in that described upper pedestal and lower base are provided with the locating face that cooperatively interacts.
6. engine spindle bearing according to claim 5 is characterized in that the locating face of described upper pedestal and lower base all is arranged at the outside in construction bolt hole, and vertical with the surface of contact of lower base with upper pedestal.
7. engine spindle bearing according to claim 6 is characterized in that being provided with chamfering between the locating face of described upper pedestal and lower base and the surface of contact.
8. according to claim 1 or 2 or 3 or 4 described engine spindle bearings, it is characterized in that described upper pedestal adopts the gray cast iron casting to form, described lower base adopts spheroidal graphite cast iron or powder metallurgy manufacturing to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266653 CN102297038B (en) | 2011-09-09 | 2011-09-09 | Main bearing seat of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266653 CN102297038B (en) | 2011-09-09 | 2011-09-09 | Main bearing seat of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102297038A true CN102297038A (en) | 2011-12-28 |
| CN102297038B CN102297038B (en) | 2013-05-22 |
Family
ID=45357677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110266653 Active CN102297038B (en) | 2011-09-09 | 2011-09-09 | Main bearing seat of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102297038B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT519606A1 (en) * | 2017-02-02 | 2018-08-15 | Miba Sinter Austria Gmbh | bearing cap |
| CN108561441A (en) * | 2018-03-29 | 2018-09-21 | 晋中经纬天盈机械有限公司 | A kind of monomer bearing block for spandex thread deflector roll |
| CN112502807A (en) * | 2020-11-26 | 2021-03-16 | 奇瑞汽车股份有限公司 | Engine and vehicle |
| CN112963263A (en) * | 2021-03-24 | 2021-06-15 | 广西玉柴机器股份有限公司 | Main bearing cap structure for reducing contact stress |
| CN119163519A (en) * | 2024-08-30 | 2024-12-20 | 东风商用车有限公司 | Engine, engine cylinder block and tile cover positioning camber design method and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674455A (en) * | 1981-01-27 | 1987-06-23 | Honda Giken Kogyo Kabushiki Kaisha | Split crankcase for V-type engine |
| CN2323233Y (en) * | 1998-03-03 | 1999-06-09 | 张恒 | Composite structure of engine body |
| JP2002089362A (en) * | 2000-09-19 | 2002-03-27 | Toyota Motor Corp | Structure of cylinder block |
| CN101144439A (en) * | 2007-11-09 | 2008-03-19 | 奇瑞汽车有限公司 | Main shaft holder structure for gasoline engine cylinder |
| CN201474795U (en) * | 2009-05-22 | 2010-05-19 | 奇瑞汽车股份有限公司 | Main bearing cover of gasoline engine lower cylinder |
-
2011
- 2011-09-09 CN CN 201110266653 patent/CN102297038B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4674455A (en) * | 1981-01-27 | 1987-06-23 | Honda Giken Kogyo Kabushiki Kaisha | Split crankcase for V-type engine |
| CN2323233Y (en) * | 1998-03-03 | 1999-06-09 | 张恒 | Composite structure of engine body |
| JP2002089362A (en) * | 2000-09-19 | 2002-03-27 | Toyota Motor Corp | Structure of cylinder block |
| CN101144439A (en) * | 2007-11-09 | 2008-03-19 | 奇瑞汽车有限公司 | Main shaft holder structure for gasoline engine cylinder |
| CN201474795U (en) * | 2009-05-22 | 2010-05-19 | 奇瑞汽车股份有限公司 | Main bearing cover of gasoline engine lower cylinder |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT519606A1 (en) * | 2017-02-02 | 2018-08-15 | Miba Sinter Austria Gmbh | bearing cap |
| AT519606B1 (en) * | 2017-02-02 | 2018-11-15 | Miba Sinter Austria Gmbh | bearing cap |
| US10253816B2 (en) | 2017-02-02 | 2019-04-09 | Miba Sinter Austria Gmbh | Bearing cover |
| CN108561441A (en) * | 2018-03-29 | 2018-09-21 | 晋中经纬天盈机械有限公司 | A kind of monomer bearing block for spandex thread deflector roll |
| CN112502807A (en) * | 2020-11-26 | 2021-03-16 | 奇瑞汽车股份有限公司 | Engine and vehicle |
| CN112963263A (en) * | 2021-03-24 | 2021-06-15 | 广西玉柴机器股份有限公司 | Main bearing cap structure for reducing contact stress |
| CN119163519A (en) * | 2024-08-30 | 2024-12-20 | 东风商用车有限公司 | Engine, engine cylinder block and tile cover positioning camber design method and vehicle |
| CN119163519B (en) * | 2024-08-30 | 2025-09-16 | 东风商用车有限公司 | Engine, engine cylinder block and tile cover positioning cambered surface design method and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102297038B (en) | 2013-05-22 |
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