CN104265756B - Diesel engine connecting rod and manufacturing method thereof - Google Patents
Diesel engine connecting rod and manufacturing method thereof Download PDFInfo
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- CN104265756B CN104265756B CN201410446158.1A CN201410446158A CN104265756B CN 104265756 B CN104265756 B CN 104265756B CN 201410446158 A CN201410446158 A CN 201410446158A CN 104265756 B CN104265756 B CN 104265756B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims description 27
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 231100000817 safety factor Toxicity 0.000 abstract 6
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a diesel engine connecting rod and a manufacturing method thereof and belongs to the technical field of connecting tools. The diesel engine connecting rod comprises a big end of the connecting rod, a rod body and a small end of the connecting rod, wherein the rod body is an I-shaped beam. The manufacturing method of the diesel engine connecting rod comprises the following steps: setting n groups of different rod body sectional dimensions for the rod body under the condition that the cross-sectional area of the rod body is constant; calculating a fatigue safety factor and a buckling safety factor, corresponding to each group of rod body sectional dimensions, of the diesel engine connecting rod; and determining the final rod body sectional dimension according to the fatigue safety factors and the buckling safety factors, and manufacturing the diesel engine connecting rod according to the final rod body sectional dimension. The manufacturing method of the diesel engine connecting rod has the advantages that the final rod body sectional dimension is determined according to the fatigue safety factors and the buckling safety factors by maintaining the rod body sectional area, and the diesel engine connecting rod is manufactured according to the final rod body sectional dimension; the problem that the effect is poor when the mechanical rigidity and the mechanical strength of the connecting rod are improved by increasing the rod body structural dimension is solved, and the effect that the mechanical rigidity and the mechanical strength of the connecting rod can be improved without increasing the rod body structural dimension is achieved.
Description
Technical field
The present invention relates to fastening means technical field, particularly to a kind of diesel engine connecting bar and its manufacture method.
Background technology
Connecting rod is the part connecting crankshaft and piston on diesel engine.Generally, to include big end, shaft and connecting rod little for connecting rod
Head.Wherein, big end is connected with bent axle by crank-pin, and small end of connecting rod is connected with piston by piston pin.In motor hand
During work, small end of connecting rod is moved reciprocatingly together with piston, and big end is rotated together with bent axle.Therefore, connecting rod
In addition to moving up and down, also can swing, and because the shaft of connecting rod is generally slender rod piece, in working process of diesel engine
In, the shaft of connecting rod also can produce parallel to and/or the bending in crankshaft center line plane.Therefore, to ensure diesel oil
Machine normal work, it is necessary that the mechanical stiffness of connecting rod and mechanical strength.
Prior art, when manufacturing connecting rod, generally adopts increasing connecting rod shank physical dimension to increase the side of connecting rod the moment of inertia
Formula, improves mechanical stiffness and the mechanical strength of connecting rod.
During realizing the present invention, inventor finds that prior art at least has problems with：Because connecting rod is even
Connect the part of crankshaft and piston, by the size limitation of crankshaft and piston, the physical dimension of connecting rod should not be too big, and with mechanical structure
Part is increasingly lightly changed, and by increasing, connecting rod shank physical dimension improves the mechanical stiffness of connecting rod and mechanical strength is obviously less existing
Real, therefore, by increasing, shaft bar linkage structure size improves the mechanical stiffness of connecting rod and the effect of mechanical strength is poor.
Content of the invention
In order to solve prior art, by increasing, connecting rod shank physical dimension improves the mechanical stiffness of connecting rod and machinery is strong
The poor problem of effect of degree, embodiments provides a kind of diesel engine connecting bar and its manufacture method.Described technical scheme
As follows：
On the one hand, there is provided a kind of diesel engine connecting bar manufacture method, described diesel engine connecting bar includes：The connecting rod being sequentially connected
Major part, shaft and small end of connecting rod, described shaft is I-beam, and methods described includes：
Keep described shaft cross-sectional area constant, be the different shaft sectional dimension of described shaft setting n group, n >=2,
Described in every group, shaft sectional dimension includes：I-beam wall thickness, shaft thickness, shaft width and web thickness；
Calculate fatigue safety factor and the flexing of the corresponding described diesel engine connecting bar of shaft sectional dimension described in every group respectively
Factor of safety；
Fatigue safety factor and flexing factor of safety according to every group, determine optimum shaft sectional dimension as final
Shaft sectional dimension；
Described diesel engine connecting bar is manufactured according to described final shaft sectional dimension.
Alternatively, the moment of inertia of the x-axis of the described diesel engine connecting bar being manufactured according to described final shaft sectional dimension and y-axis
The ratio of the moment of inertia scope between 3.5 to 4.2；
Wherein, parallel to described shaft thickness place direction, described y-axis is parallel to described I-beam wall thickness institute for described x-axis
In direction.
Alternatively, the moment of inertia of the described x-axis of the described diesel engine connecting bar being manufactured according to described final shaft sectional dimension
Ratio with the moment of inertia of described y-axis is 4.2.
Alternatively, the described fatigue safety calculating the corresponding described diesel engine connecting bar of shaft sectional dimension described in every group respectively
The factor and flexing factor of safety, including：
The corresponding described diesel engine connecting bar of shaft sectional dimension described in every group is calculated respectively by computer-aided engineering CAE
Fatigue safety factor and flexing factor of safety.
On the other hand, there is provided a kind of diesel engine connecting bar, described diesel engine connecting bar includes：The big end that is sequentially connected,
Shaft and small end of connecting rod,
Described shaft is I-beam；
The scope of the ratio of the moment of inertia of the moment of inertia of the x-axis of described diesel engine connecting bar and y-axis is between 3.5 to 4.2；
Wherein, parallel to the shaft thickness place direction of described diesel engine connecting bar, described y-axis is parallel to described for described x-axis
The I-beam wall thickness place direction of diesel engine connecting bar.
Alternatively, the moment of inertia of described x-axis of described diesel engine connecting bar and the ratio of the moment of inertia of described y-axis are 4.2.
Alternatively, described small end of connecting rod and the changeover portion of described shaft are fillet.
Alternatively, described big end is provided with bolt bearing face, and the edge in described bolt bearing face is fillet.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
By keeping shaft cross-sectional area constant, it is the different shaft sectional dimension of shaft setting n group, n >=2, every group
Shaft sectional dimension includes：I-beam wall thickness, shaft thickness, shaft width and web thickness；Calculate every group of shaft section respectively
The fatigue safety factor of the corresponding diesel engine connecting bar of size and flexing factor of safety；According to every group of fatigue safety factor and flexing peace
Total divisor, determines optimum shaft sectional dimension as final shaft sectional dimension；Bavin is manufactured according to final shaft sectional dimension
Oil machine connecting rod；Solve and improve connecting rod mechanical stiffness and mechanical strength effect is poor by increasing connecting rod shank physical dimension
Problem, has reached and has been not added with big connecting rod shaft structures size and just can improve the mechanical stiffness of connecting rod and the effect of mechanical strength.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of diesel engine connecting bar provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional structure schematic diagram of the DIESEL ENGINE CONNECTING ROD that embodiment illustrated in fig. 1 provides；
Fig. 3 is the method flow diagram of the diesel engine connecting bar manufacture method that one embodiment of the invention provides；
Fig. 4 is the method flow diagram of the diesel engine connecting bar manufacture method that another embodiment of the present invention provides.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Refer to Fig. 1, the structural representation of the diesel engine connecting bar of one embodiment of the invention offer, this diesel oil are provided
As shown in figure 1, this front view is zhou duicheng tuxing, this diesel engine connecting bar includes the front view of machine connecting rod：Big end 110, bar
Body 120 and small end of connecting rod 130, in FIG, the axis collinear of this big end 110, shaft 120 and small end of connecting rod 130.
Wherein, big end 110 is connected with shaft 120 respectively with small end of connecting rod 130.
Wherein, big end 110 is used for being connected with crankshaft of diesel engine, and small end of connecting rod 130 is used for being connected with diesel engine piston.
In working process of diesel engine, big end 110 is rotated together with bent axle, small end of connecting rod 130 and piston
Move reciprocatingly together.
Wherein, shaft 120 is I-beam.
Refer to Fig. 2, it illustrates the structural representation of the cross section of shaft 120 in embodiment illustrated in fig. 1.This Fig. 2
The cross section of shown shaft 120 is to intercept at the A-A of shaft 120 of diesel engine connecting bar as shown in Figure 1 to obtain.Referring to Fig. 2,
As can be seen that the cross section of this shaft 120 is an I shape.
Wherein, this I shape cross section includes：I-beam wall thickness 121, shaft thickness 122, shaft width 123 and web are thick
Degree 124.
This I shape cross section is zhou duicheng tuxing, as shown in Fig. 2 the symmetry axis of this I shape cross section is respectively：X-axis
And y-axis.
Wherein, in the case of keeping above-mentioned I shape cross-sectional area fixing, the moment of inertia of the x-axis of diesel engine connecting bar with
The scope of the ratio of the moment of inertia of y-axis is：3.5≥Ixx:Iyy≥4.2.
Wherein, parallel to the shaft thickness 122 place direction of diesel engine connecting bar, y-axis is parallel to the work of diesel engine connecting bar for x-axis
Word beam wall thickness 121 place direction.
Wherein it is preferred to, the ratio I of the moment of inertia of the x-axis of diesel engine connecting bar and the moment of inertia of y-axisxx:IyyFor 4.2.
Referring to Fig. 1, alternatively, small end of connecting rod 130 is fillet with the changeover portion of shaft 120.
Alternatively, big end 130 is provided with bolt bearing face, and the edge in bolt bearing face is fillet.
It should be noted that in view of the mechanical strength and the mechanical stiffness that are further ensured that connecting rod, the embodiment of the present invention carries
For the material that uses during fabrication of connecting rod be high-strength material, such as, high intensity carbon steel, the high-strength material such as powder metallurgy.
In sum, due to diesel engine connecting bar provided in an embodiment of the present invention during fabrication, by fixing diesel engine connecting bar
Shaft cross-sectional area, calculate the moment of inertia ratio of diesel engine connecting bar according to different shaft sectional dimension, and select optimum
Shaft sectional dimension manufacture diesel engine connecting bar, compared to prior art, the present invention need not increase connecting rod shank physical dimension come
Connecting rod mechanical stiffness and mechanical strength just can be improved, therefore, invention achieves and be not added with big connecting rod shaft structures size with regard to energy
Improve the mechanical stiffness of connecting rod and the effect of mechanical strength.
Diesel engine connecting bar provided in an embodiment of the present invention, by the changeover portion of small end of connecting rod and shaft is set to fillet,
And the bolt bearing face of big end is set to fillet, it is to avoid in working process of diesel engine, the stress of connecting rod is excessively concentrated
The problem that the connecting rod leading to destroys, extends the service life of connecting rod.
Refer to Fig. 3, the method flow of the diesel engine connecting bar manufacture method of one embodiment of the invention offer is provided
Figure.The diesel engine connecting bar manufacture method that the present embodiment provides is mainly for the manufacture of the diesel engine connecting bar shown in Fig. 1.Referring to Fig. 3, should
Method flow specifically includes：
Step 301, keeps shaft cross-sectional area constant, is the different shaft sectional dimension of shaft setting n group, n >=2,
Every group of shaft sectional dimension includes：I-beam wall thickness, shaft thickness, shaft width and web thickness.
Step 302, calculates fatigue safety factor and the flexing of the corresponding diesel engine connecting bar of every group of shaft sectional dimension respectively
Factor of safety.
Step 303, according to every group of fatigue safety factor and flexing factor of safety, determines optimum shaft sectional dimension conduct
Final shaft sectional dimension.
Step 304, manufactures diesel engine connecting bar according to final shaft sectional dimension.
In sum, diesel engine connecting bar manufacture method provided in an embodiment of the present invention, by keeping shaft cross-sectional area
Constant, it is that shaft arranges the different shaft sectional dimension of n group, n >=2, every group of shaft sectional dimension includes：I-beam wall thickness, bar
Body thickness, shaft width and web thickness；Calculate the fatigue safety of the corresponding diesel engine connecting bar of every group of shaft sectional dimension respectively
The factor and flexing factor of safety；According to every group of fatigue safety factor and flexing factor of safety, determine optimum shaft sectional dimension
As final shaft sectional dimension；Diesel engine connecting bar is manufactured according to final shaft sectional dimension；Solve by increasing connection-rod
Body structure size, to improve connecting rod mechanical stiffness and the poor problem of mechanical strength effect, has reached and has been not added with big connecting rod shaft structures
Size just can improve the mechanical stiffness of connecting rod and the effect of mechanical strength.
Refer to Fig. 4, the method stream of the diesel engine connecting bar manufacture method of another embodiment of the present invention offer is provided
Cheng Tu.The diesel engine connecting bar manufacture method that the present embodiment provides is mainly for the manufacture of the diesel engine connecting bar shown in Fig. 1.Referring to Fig. 4,
The method flow process specifically includes：
Step 401, keeps shaft cross-sectional area constant, is the different shaft sectional dimension of shaft setting n group, n >=2,
Every group of shaft sectional dimension includes：I-beam wall thickness, shaft thickness, shaft width and web thickness.
Such as it is assumed that being provided with 3 groups of shaft sectional dimensions, this 3 groups of shaft sectional dimensions are as shown in table 1 below：
Table 1
| I-beam wall thickness | Shaft thickness | Shaft width | Web thickness |
| 5 | 18 | 21 | 4 |
| 5 | 17.2 | 22.8 | 4 |
| 7 | 14 | 24 | 4 |
Wherein, the present invention, when arranging shaft sectional dimension, keeps the cross-sectional area of shaft to fix, that is, above-mentioned 3 groups
The cross-sectional area of the corresponding shaft of data is identical.Thus the present invention may not necessarily increase shaft sectional dimension.Wherein, bar
The cross-sectional area of body can be by computer-aided engineering (English full name：Computer Aided Engineering；Letter
Claim：CAE) obtain, the corresponding shaft cross-sectional area of above-mentioned 3 groups of shaft sectional dimensions is 250 square centimeters.
Wherein, the embodiment of the present invention, when arranging shaft sectional dimension, is the shaft according to the history of storage in database
Sectional dimension is configured, that is, being to arrange shaft sectional dimension according to historical experience.
Step 402, calculates the moment of inertia of x-axis and the y-axis of the corresponding diesel engine connecting bar of every group of shaft sectional dimension respectively
The ratio of the moment of inertia.
Referring to Fig. 2, wherein, parallel to shaft thickness place direction, y-axis is parallel to I-beam wall thickness place direction for x-axis.
Wherein, the moment of inertia is used for weighing the bending resistance in section.The moment of inertia of x-axis is used for weighing shaft section in x-axis side
Bending resistance upwards, the moment of inertia of y-axis is used for weighing shaft section bending resistance in the y-axis direction.
Wherein, the moment of inertia of the moment of inertia of x-axis of the corresponding diesel engine connecting bar of shaft sectional dimension and y-axis all can be by
CAE is calculated.
It is possible to calculate x-axis after the moment of inertia being calculated the moment of inertia of x-axis of diesel engine connecting bar and y-axis
The ratio I of the moment of inertia of the moment of inertia and y-axisxx:Iyy.
Wherein, the moment of inertia of the x-axis of the calculated diesel engine connecting bar of n group shaft sectional dimension according to setting and y-axis
The scope of the ratio of the moment of inertia be：3.5≥Ixx:Iyy≥4.2.Preferably, the moment of inertia of the x-axis of diesel engine connecting bar and y-axis
The ratio I of the moment of inertiaxx:IyyFor 4.2.
Taking above-mentioned table 1 as a example, the moment of inertia of the corresponding x-axis of calculated every group of shaft parameter and the moment of inertia of y-axis
Ratio is as shown in table 2 below：
Table 2
| I-beam wall thickness | Shaft thickness | Shaft width | Web thickness | Ixx:Iyy |
| 5 | 18 | 21 | 4 | 2.1 |
| 5 | 17.5 | 22.8 | 4 | 3 |
| 7 | 14 | 24 | 4 | 4.2 |
Step 403, calculates the moment of inertia of every group of x-axis diesel engine corresponding with the ratio of the moment of inertia of y-axis respectively by CAE
The fatigue safety factor of connecting rod and flexing factor of safety.
Wherein, fatigue safety factor is used for representing the anti-fatigue ability of connecting rod, flexing factor of safety is used for representing specific load
The stability of lotus lower link.
Ratio I when the moment of inertia of the moment of inertia and the y-axis of the x-axis being calculated shaft cross sectionxx:IyyAfterwards, pass through
CAE calculates the fatigue safety factor of the moment of inertia diesel engine connecting bar corresponding with the ratio of the moment of inertia of y-axis and the flexing of every group of x-axis
Factor of safety.
Specifically, by the finite element analysis software meter of dedicated calculation fatigue safety factor and flexing factor of safety in CAE
Calculate fatigue safety factor and the flexing factor of safety of diesel engine connecting bar.
Such as, fatigue safety factor and the flexing peace of 2.1 corresponding diesel engine connecting bars is calculated by finite element analysis software
Total divisor, for another example, calculates fatigue safety factor and the flexing safety of 3 corresponding diesel engine connecting bars by finite element analysis software
The factor, and fatigue safety factor and the flexing safety of 4.2 corresponding diesel engine connecting bars such as, is calculated by finite element analysis software
The factor.
Step 404, according to every group of fatigue safety factor and flexing factor of safety, determines optimum shaft sectional dimension conduct
Final shaft sectional dimension.
Specifically, after being calculated every group of fatigue safety factor and flexing factor of safety, according to all of fatigue peace
Total divisor and flexing factor of safety, select the shaft sectional dimension of optimum as final from the n group shaft sectional dimension of setting
Shaft sectional dimension.
Such as, the most final shaft of shaft sectional dimension when fatigue safety factor and flexing factor of safety highest is selected to cut
Face size.
Taking upper table 2 as a example, the false ratio manufacturing the x-axis the moment of inertia obtaining and y-axis the moment of inertia is fatigue safety when 4.2
The factor and flexing factor of safety highest, then using I-beam wall thickness 7, shaft thickness 14, shaft width 24, web thickness 4 as
Whole shaft sectional dimension.
Step 405, manufactures diesel engine connecting bar according to final shaft sectional dimension.
After determining final shaft sectional dimension, diesel engine connecting bar is manufactured according to final shaft sectional dimension.
Such as, diesel engine connecting bar is manufactured according to I-beam wall thickness 7, shaft thickness 14, shaft width 24, web thickness 4.
In sum, diesel engine connecting bar manufacture method provided in an embodiment of the present invention, by keeping shaft cross-sectional area
Constant, it is that shaft arranges the different shaft sectional dimension of n group, n >=2, every group of shaft sectional dimension includes：I-beam wall thickness, bar
Body thickness, shaft width and web thickness；Calculate the fatigue safety of the corresponding diesel engine connecting bar of every group of shaft sectional dimension respectively
The factor and flexing factor of safety；According to every group of fatigue safety factor and flexing factor of safety, determine optimum shaft sectional dimension
As final shaft sectional dimension；Diesel engine connecting bar is manufactured according to final shaft sectional dimension；Solve by increasing connection-rod
Body structure size, to improve connecting rod mechanical stiffness and the poor problem of mechanical strength effect, has reached and has been not added with big connecting rod shaft structures
Size just can improve the mechanical stiffness of connecting rod and the effect of mechanical strength.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of diesel engine connecting bar manufacture method is it is characterised in that described diesel engine connecting bar includes：The connecting rod being sequentially connected is big
Head, shaft and small end of connecting rod, described shaft is I-beam, and methods described includes：
Keep described shaft cross-sectional area constant, be the different shaft sectional dimension of described shaft setting n group, n >=2, every group
Described shaft sectional dimension includes：I-beam wall thickness, shaft thickness, shaft width and web thickness；
Calculate fatigue safety factor and the flexing safety of the corresponding described diesel engine connecting bar of shaft sectional dimension described in every group respectively
The factor；
Fatigue safety factor and flexing factor of safety according to every group, determine optimum shaft sectional dimension as final shaft
Sectional dimension；
Described diesel engine connecting bar is manufactured according to described final shaft sectional dimension, is manufactured according to described final shaft sectional dimension
The scope of the ratio of the moment of inertia of the moment of inertia of the x-axis of described diesel engine connecting bar and y-axis is between 3.5 to 4.2；
Wherein, parallel to described shaft thickness place direction, described y-axis is parallel to described I-beam wall thickness place side for described x-axis
To.
2. method according to claim 1 is it is characterised in that the described bavin that manufactured according to described final shaft sectional dimension
The moment of inertia of described x-axis of oil machine connecting rod is 4.2 with the ratio of the moment of inertia of described y-axis.
3. method according to claim 1 is it is characterised in that described calculate shaft sectional dimension correspondence described in every group respectively
The fatigue safety factor of described diesel engine connecting bar and flexing factor of safety, including：
The tired of the corresponding described diesel engine connecting bar of shaft sectional dimension described in every group is calculated respectively by computer-aided engineering CAE
Labor factor of safety and flexing factor of safety.
4. a kind of diesel engine connecting bar is it is characterised in that described diesel engine connecting bar includes：The big end that is sequentially connected, shaft and
Small end of connecting rod,
Described shaft is I-beam；
The scope of the ratio of the moment of inertia of the moment of inertia of the x-axis of described diesel engine connecting bar and y-axis is between 3.5 to 4.2；
Wherein, parallel to the shaft thickness place direction of described diesel engine connecting bar, described y-axis is parallel to described diesel oil for described x-axis
The I-beam wall thickness place direction of machine connecting rod.
5. diesel engine connecting bar according to claim 4 is it is characterised in that the inertia of the described x-axis of described diesel engine connecting bar
Square is 4.2 with the ratio of the moment of inertia of described y-axis.
6. the diesel engine connecting bar according to claim 4 or 5 is it is characterised in that the mistake of described small end of connecting rod and described shaft
Crossing section is fillet.
7. the diesel engine connecting bar according to claim 4 or 5 is it is characterised in that described big end is provided with bolt bearing
Face, the edge in described bolt bearing face is fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446158.1A CN104265756B (en) | 2014-09-03 | 2014-09-03 | Diesel engine connecting rod and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410446158.1A CN104265756B (en) | 2014-09-03 | 2014-09-03 | Diesel engine connecting rod and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104265756A CN104265756A (en) | 2015-01-07 |
| CN104265756B true CN104265756B (en) | 2017-02-15 |
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ID=52157312
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| CN201410446158.1A Active CN104265756B (en) | 2014-09-03 | 2014-09-03 | Diesel engine connecting rod and manufacturing method thereof |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1450056B1 (en) * | 2003-02-19 | 2017-06-07 | Nissan Motor Co., Ltd. | High-strength connecting rod and method of producing same |
| AU2006227372A1 (en) * | 2005-03-17 | 2006-09-28 | Industrial Origami, Inc. | Precision-folded, high strength, fatigue-resistant structures and sheet therefor |
| CN201133417Y (en) * | 2007-12-14 | 2008-10-15 | 中国第一汽车集团公司无锡柴油机厂 | B43 type diesel engine linkage rod |
| CN201810650U (en) * | 2010-10-19 | 2011-04-27 | 中国一拖集团有限公司 | Connecting rod of diesel engine |
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Effective date of registration: 20190129 Address after: 241111 Diamond 2, Xinwu Avenue, Xinwu Economic Development Zone, Wuhu County, Anhui Province Patentee after: Wuhu diamond Aero Engine Co., Ltd. Address before: 241006 Changchun Road, Wuhu economic and Technological Development Zone, Wuhu, Anhui, 8 Patentee before: Saic Chery Automobile Co., Ltd. |
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