CN109611442A - 10 cylinder diesel crankshaft of V-type - Google Patents

10 cylinder diesel crankshaft of V-type Download PDF

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Publication number
CN109611442A
CN109611442A CN201910118296.XA CN201910118296A CN109611442A CN 109611442 A CN109611442 A CN 109611442A CN 201910118296 A CN201910118296 A CN 201910118296A CN 109611442 A CN109611442 A CN 109611442A
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CN
China
Prior art keywords
cylinder
crank
crank throw
crankshaft
type
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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.)
Pending
Application number
CN201910118296.XA
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Chinese (zh)
Inventor
黄第云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201910118296.XA priority Critical patent/CN109611442A/en
Publication of CN109611442A publication Critical patent/CN109611442A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00Shafts; Axles; Cranks; Eccentrics
    • F16C3/04Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/20Shape of crankshafts or eccentric-shafts having regard to balancing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00Engines or pumps
    • F16C2360/22Internal combustion engines

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention discloses a kind of 10 cylinder diesel crankshafts of V-type.The 10 cylinder diesel crankshaft of V-type includes: trunnion, rod journal, crank arm and balance weight, and the trunnion and rod journal are connect with the two sides of crank arm respectively, and one trunnion, a rod journal and a crank arm form a crank throw;There are five crank throw, radial equipartition of five crank throws along the 10 cylinder diesel crankshaft of V-type for 10 cylinder diesel crankshaft of the V-type tool;In the clockwise direction, the first crank throw and third crank throw angle of five crank throws are 72 degree, and third crank throw and the 5th crank throw angle are 72 degree, and the 5th crank throw and the second crank throw angle are 72 degree, second crank throw and the 4th crank throw angle are 72 degree, and the 4th crank throw and the first crank throw angle are 72 degree.The 10 cylinder diesel crankshaft of V-type can be effectively reduced the torsional oscillation performance of crankshaft, and improve crankshaft strength and Lubrication Film Thickness, so that crankshaft of diesel engine is able to bear higher explosion pressure.

Description

10 cylinder diesel crankshaft of V-type
Technical field
The present invention relates to engine arts, especially with regard to a kind of 10 cylinder diesel crankshaft of V-type.
Background technique
Current diesel engine is all improving its power density, reduces volume, each components are just needed in outer dimension thus In the case where small as far as possible, load big as far as possible is born, the reinforcing as the directly crankshaft of transmission diesel powered is particularly important
The crankshaft strength and torsional oscillation performance of existing high-power V-shaped 10 cylinder diesel (90 degree) are poor, unbearable bigger Explosion pressure.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of simple and reasonable 10 cylinder diesel crankshaft of V-type, the 10 cylinder diesel oil of V-type Machine crankshaft can be effectively reduced the torsional oscillation performance of crankshaft, and improve crankshaft strength and Lubrication Film Thickness, so that diesel engine is bent Axis is able to bear higher explosion pressure.
To achieve the above object, the present invention provides a kind of 10 cylinder diesel crankshafts of V-type, comprising: trunnion, pitman shaft Neck, crank arm and balance weight, the trunnion are mounted on cylinder body, and the rod journal is connect with crank pin end pore, the master Axle journal and rod journal are connect with the two sides of crank arm respectively, one trunnion, a rod journal and a crank arm Form a crank throw;The diameter of the trunnion and the ratio of cylinder diameter are 0.91~1.1;The diameter and cylinder diameter of the rod journal Ratio be 0.76~0.8;The thickness of the crank arm and the ratio of cylinder diameter are as follows: 0.21~0.24;The ratio of cylinder centre line spacing and cylinder diameter Value is 1.3~1.5, and the radius of the balance weight and the ratio of stroke are 0.9-1;The 10 cylinder diesel crankshaft of V-type has five A crank throw, radial equipartition of five crank throws along the 10 cylinder diesel crankshaft of V-type;In the clockwise direction, five songs The first crank throw and third crank throw angle turned is 72 degree, and third crank throw and the 5th crank throw angle are 72 degree, the 5th crank throw and second Crank throw angle is 72 degree, and the second crank throw and the 4th crank throw angle are 72 degree, and the 4th crank throw and the first crank throw angle are 72 degree.
In a preferred embodiment, the center of trunnion offers the first axially extending lightening hole, this first subtracts Repeated hole be it is cylindric, the centre of first lightening hole is provided with ribs;
In a preferred embodiment, the second lightening hole is offered in rod journal, which runs through connecting rod The left and right sides end face of axle journal,
In a preferred embodiment, the second lightening hole is arc.
In a preferred embodiment, the single-row firing order of the 10 cylinder diesel crankshaft of V-type is successively are as follows: the first cylinder, 4th cylinder, the second cylinder, the 5th cylinder, third cylinder, each uniform 72 degree of ignitions of cylinder.
Compared with prior art, 10 cylinder diesel crankshaft of V-type according to the present invention has the following beneficial effects: the V-type 10 Cylinder diesel crankshaft is equipped with suitable firing order, can be effectively reduced the torsional oscillation performance of crankshaft, and improves crankshaft strength and axis Oil film thickness is held, so that crankshaft of diesel engine is able to bear higher explosion pressure, improves engine operational reliability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the 10 cylinder diesel crankshaft of V-type of first embodiment according to the present invention.
Fig. 2 is the partial structural diagram of the 10 cylinder diesel crankshaft of V-type of first embodiment according to the present invention.
Fig. 3 is the crank throw distribution schematic diagram of the 10 cylinder diesel crankshaft of V-type of first embodiment according to the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1,10 cylinder diesel crankshaft of V-type according to the preferred embodiment of the invention specifically includes: trunnion 11, Rod journal 12, crank arm 13 and balance weight.Wherein, trunnion 11 is installed on cylinder body, rod journal 12 and big end Hole connection, connecting rod small end hole are connect with steam-cylinder piston, and trunnion 11 and rod journal 12 are connect with the two sides of crank arm 13 respectively, One trunnion, 11, rod journals 12 and a crank arm 13 constitute a crank throw.The 10 cylinder diesel crankshaft of V-type tool It is equipped with suitable firing order, can be effectively reduced crankshaft by the design to five crank throw major parameters there are five crank throw Torsional oscillation performance, and crankshaft strength and Lubrication Film Thickness are improved, so that crankshaft of diesel engine is able to bear higher explosion pressure.
Specifically, engine crankshaft is the main rotary gadget of engine, after loading onto connecting rod, can accept the upper and lower of connecting rod (reciprocal) movement becomes to recycle (rotation) movement, is an important parts on engine.The rotation of crankshaft is engine Power source.It is also the driving source of entire mechanical system.
Trunnion 11 is hollow structure, i.e. the center of trunnion 11 offers the first axially extending lightening hole, it is preferred that First lightening hole is cylindric.The centre of first lightening hole is provided with ribs.
Rod journal 12 is hollow structure, i.e., the second lightening hole is offered in rod journal, and second lightening hole is through company The left and right sides end face of bar axle journal, it is preferred that second lightening hole is arc.
One end of trunnion 11 and one end of rod journal 12 connect with the two sides of crank arm 13 constitute crank throw respectively.
The centrifugal force and torque that balance weight is generated for balance crankshaft rod journal and crank arm, make crankshaft operation steadily and The load that trunnion bearing shell is born is reduced, so that engine steadily operates, reduces trunnion load.There are two types of balance weights, a kind of It is that one is made with crankshaft;Another kind is formed into individually, then is screwed on crank.Latter is called assembled balance Block, engine generally use the balance weight of integral type.
(1) main design parameters of crank throw:
As shown in Fig. 2, the diameter d1/D (cylinder diameter) of trunnion is 0.91~1.1, crankshaft strength can be effectively improved.
The diameter d2/D (cylinder diameter) of rod journal is 0.76~0.8, effectively improves the rigidity of crankshaft strength and rod journal, Prevent the axle journal of two cylinders from deforming.
The thickness H/D (cylinder diameter) of crank arm is 0.21~0.24, effectively diminution cylinder pintch, reduces motor length.
Cylinder centre line spacing L/D (cylinder diameter) is 1.3~1.5, effectively diminution cylinder pintch, guarantees the compactedness of engine.
The radius P/S (stroke) of balance weight is 0.9-1, and the oil film that can be effectively improved bearing journal is horizontal.
(2) the corresponding firing order of crankshaft structure
As shown in figure 3, all cylinders are divided into two groups by 10 cylinder diesel of V-type, adjacent cylinder is arranged with certain angle Together, two groups of cylinders are made to be formed with the plane of an angle, cylinder is in the shape of the letter V from the side.The height of 10 cylinder diesel of V-type Small with length dimension, arrangement is got up more convenient.It is convenient for improving discharge capacity and power by expanding cylinder bore and be suitble to In higher number of cylinders.There are five crank throws for the 10 cylinder diesel crankshaft of V-type tool, and in terms of the front end of crankshaft, five crank throws are along the V-type The radial equipartition of 10 cylinder diesel crankshafts, in the clockwise direction, the first crank throw 1 and 3 angle of third crank throw are 72 degree, and third is bent Turn 3 and 5 angle of the 5th crank throw be 72 degree, the 5th crank throw 5 and 2 angle of the second crank throw are 72 degree, the second crank throw 2 and the 4th crank throw 4 Angle is 72 degree, and the 4th crank throw 4 and 1 angle of the first crank throw are 72 degree.
The single-row firing order of the 10 cylinder diesel crankshaft of V-type are as follows: 1-4-2-5-3, each uniform 72 degree of ignitions of cylinder, suitably It is under fire and is conducive to the improvement of shafting torsional oscillation performance.
To sum up, which is equipped with suitable firing order, can be effectively reduced the torsional oscillation performance of crankshaft, And crankshaft strength and Lubrication Film Thickness are improved, so that crankshaft of diesel engine is able to bear higher explosion pressure, raising is started Machine operational reliability.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of 10 cylinder diesel crankshaft of V-type characterized by comprising trunnion, rod journal, crank arm and balance weight, institute Trunnion is stated to be mounted on cylinder body, the rod journal is connect with crank pin end pore, the trunnion and rod journal respectively with The two sides of crank arm connect, and one trunnion, a rod journal and a crank arm form a crank throw;The main shaft The diameter of neck and the ratio of cylinder diameter are 0.91~1.1;The diameter of the rod journal and the ratio of cylinder diameter are 0.76~0.8;Institute State the thickness of crank arm and the ratio of cylinder diameter are as follows: 0.21~0.24;The ratio of cylinder centre line spacing and cylinder diameter is 1.3~1.5, the balance The radius of block and the ratio of stroke are 0.9-1;There are five crank throws for 10 cylinder diesel crankshaft of the V-type tool, and five crank throws are along institute State the radial equipartition of 10 cylinder diesel crankshaft of V-type;In the clockwise direction, the first crank throw of five crank throws and third crank throw Angle is 72 degree, and third crank throw and the 5th crank throw angle are 72 degree, and the 5th crank throw and the second crank throw angle are 72 degree, the second crank throw It is 72 degree with the 4th crank throw angle, the 4th crank throw and the first crank throw angle are 72 degree.
2. 10 cylinder diesel crankshaft of V-type as described in claim 1, which is characterized in that the center of the trunnion offers axis To the first lightening hole of extension, first lightening hole be it is cylindric, the centre of first lightening hole is provided with ribs.
3. 10 cylinder diesel crankshaft of V-type as described in claim 1, which is characterized in that offer second in the rod journal Lightening hole, second lightening hole run through the left and right sides end face of rod journal.
4. 10 cylinder diesel crankshaft of V-type as claimed in claim 3, which is characterized in that second lightening hole is arc.
5. 10 cylinder diesel crankshaft of V-type as described in claim 1, which is characterized in that the 10 cylinder diesel crankshaft of V-type it is single-row Firing order is successively are as follows: the first cylinder, the 4th cylinder, the second cylinder, the 5th cylinder, third cylinder, each uniform 72 degree of ignitions of cylinder.
CN201910118296.XA 2019-02-15 2019-02-15 10 cylinder diesel crankshaft of V-type Pending CN109611442A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB277530A (en) * 1926-12-02 1927-09-22 Hans Schroen Method of obtaining the minimum resulting tipping moment in longitudinal direction in five cylinder internal combustion engines
CH125793A (en) * 1926-12-04 1928-05-16 Hans Schroen Multi-cylinder internal combustion engine.
GB362021A (en) * 1930-09-11 1931-12-03 Frederick Henry Royce Improvements in multi-cylinder reciprocating engines
EP0501096A2 (en) * 1991-02-26 1992-09-02 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Crankshaft
DE10218922A1 (en) * 2002-04-27 2002-11-07 Christian Puchas Crankshaft for ten-cylinder 100-120 degree V-engine has crank offset of respective crank pins in crank throws in direct dependence upon V-angle and derived from mathematical expression
EP1387059A1 (en) * 2002-08-03 2004-02-04 Bayerische Motoren Werke Aktiengesellschaft 10 cylinder engine
JP2008248704A (en) * 2007-03-29 2008-10-16 Honda Motor Co Ltd V-engine
CN201258906Y (en) * 2008-09-11 2009-06-17 荆州环宇汽车零部件有限公司 Ultralight crankshaft
CN204729456U (en) * 2015-07-10 2015-10-28 广西玉柴机器股份有限公司 Engine crankshaft
CN204984846U (en) * 2015-08-03 2016-01-20 中石化石油工程机械有限公司第四机械厂 Five -cylinder pump crankshaft
US20160017795A1 (en) * 2014-07-18 2016-01-21 Joseph B. Crover Radial engine piston-crankshaft interfaces
CN205136336U (en) * 2015-11-17 2016-04-06 中国重汽集团济南动力有限公司 Five jar diesel engine bent axles
CN105465158A (en) * 2016-01-04 2016-04-06 中国重汽集团济南动力有限公司 Crankshaft of five-cylinder diesel engine
CN105637241A (en) * 2013-10-16 2016-06-01 新日铁住金株式会社 Crankshaft for reciprocating engine
CN108591241A (en) * 2018-08-01 2018-09-28 广西玉柴机器股份有限公司 V-type diesel bent axle
CN209539810U (en) * 2019-02-15 2019-10-25 广西玉柴机器股份有限公司 10 cylinder diesel crankshaft of V-type

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB277530A (en) * 1926-12-02 1927-09-22 Hans Schroen Method of obtaining the minimum resulting tipping moment in longitudinal direction in five cylinder internal combustion engines
CH125793A (en) * 1926-12-04 1928-05-16 Hans Schroen Multi-cylinder internal combustion engine.
GB362021A (en) * 1930-09-11 1931-12-03 Frederick Henry Royce Improvements in multi-cylinder reciprocating engines
EP0501096A2 (en) * 1991-02-26 1992-09-02 AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH.Prof.Dr.Dr.h.c. Hans List Crankshaft
DE10218922A1 (en) * 2002-04-27 2002-11-07 Christian Puchas Crankshaft for ten-cylinder 100-120 degree V-engine has crank offset of respective crank pins in crank throws in direct dependence upon V-angle and derived from mathematical expression
EP1387059A1 (en) * 2002-08-03 2004-02-04 Bayerische Motoren Werke Aktiengesellschaft 10 cylinder engine
JP2008248704A (en) * 2007-03-29 2008-10-16 Honda Motor Co Ltd V-engine
CN201258906Y (en) * 2008-09-11 2009-06-17 荆州环宇汽车零部件有限公司 Ultralight crankshaft
CN105637241A (en) * 2013-10-16 2016-06-01 新日铁住金株式会社 Crankshaft for reciprocating engine
US20160017795A1 (en) * 2014-07-18 2016-01-21 Joseph B. Crover Radial engine piston-crankshaft interfaces
CN204729456U (en) * 2015-07-10 2015-10-28 广西玉柴机器股份有限公司 Engine crankshaft
CN204984846U (en) * 2015-08-03 2016-01-20 中石化石油工程机械有限公司第四机械厂 Five -cylinder pump crankshaft
CN205136336U (en) * 2015-11-17 2016-04-06 中国重汽集团济南动力有限公司 Five jar diesel engine bent axles
CN105465158A (en) * 2016-01-04 2016-04-06 中国重汽集团济南动力有限公司 Crankshaft of five-cylinder diesel engine
CN108591241A (en) * 2018-08-01 2018-09-28 广西玉柴机器股份有限公司 V-type diesel bent axle
CN209539810U (en) * 2019-02-15 2019-10-25 广西玉柴机器股份有限公司 10 cylinder diesel crankshaft of V-type

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周允等: "《汽车百科全书上》", 机械工业出版社, pages: 416 - 418 *

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