CN105465158B - A kind of five cylinder diesel bent axles - Google Patents
A kind of five cylinder diesel bent axles Download PDFInfo
- Publication number
- CN105465158B CN105465158B CN201610000870.8A CN201610000870A CN105465158B CN 105465158 B CN105465158 B CN 105465158B CN 201610000870 A CN201610000870 A CN 201610000870A CN 105465158 B CN105465158 B CN 105465158B
- Authority
- CN
- China
- Prior art keywords
- crank arm
- bent axle
- balance weight
- crank
- cylinder
- 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.)
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Classifications
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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
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/20—Shape of crankshafts or eccentric-shafts having regard to balancing
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
Abstract
The invention discloses a kind of five cylinder diesel bent axles, including trunnion, crank arm and rod journal, one rod journal, the crank arm of left and right two and the trunnion of left and right two constitute a crank throw, it is disposed with corresponding balance weight I on 4th crank arm and the 7th crank arm, the excessive balance weight of corresponding biasing II is disposed on first crank arm and the tenth crank arm, the direction of first crank arm and the 7th crank arm balance weight I is identical, towards a side of the bent axle longitudinal axis, the direction that 4th crank arm and the tenth crank arm bias excessive balance weight II is identical, towards another party of the bent axle longitudinal axis, respectively install a fluted disc at third crank arm and the 8th crank arm additional, crankshaft counterbalance gear ring is carried on fluted disc, for driving balance mechanism.The present invention can continue to use the resources of production of six cylinder machines in the original production technology of enterprise, while reducing engine development production cost, reduce the quality of engine, meet the needs of more users are different, increase the competitiveness of enterprise product.
Description
Technical field
The invention belongs to diesel engine technologies fields, and in particular to a kind of five cylinder diesel bent axles.
Background technology
Six cylinder machines occupy most of market of current diesel engine because of its good stability of equilibrium.But when with
When the power of family demand is smaller, dress has Partial Power with the original product of enterprise and overflows, and causes to waste；Moreover, engine weight
Measure excessive, the oil consumption of user is also correspondingly promoted, and is also increased use cost while increasing purchase vehicle cost, is reduced product and exist
Competitiveness in the market.Under this situation, the demand of five cylinder machines just becomes necessary.However, the rotation of five cylinder machines is used
Property power, level-one reciprocal inertia force and two level reciprocal inertia force whole self-balancing, but rotatory inertia torque, the level-one of five cylinder machines are reciprocal
Moment of inertia and two level reciprocal inertia force square are all uneven.The bent axle of forging processing can have certain manufacture deviation, this is partially
Difference can lead to the aequum off-design value of bent axle so that bent axle can not normal use.
Invention content
In view of the deficiencies of the prior art, it the purpose of the present invention is to provide a kind of five cylinder diesel bent axles, can realize certainly
The equalising torque of body enhances the stability of bent axle, the requirement for meeting production and using.
To achieve the above object, the technical solution adopted in the present invention is：A kind of five cylinder diesel bent axles, including main shaft
Neck, crank arm and rod journal, a rod journal, two crank arms in left and right and the trunnion of left and right two constitute a crank throw,
It is disposed with corresponding balance weight I on 4th crank arm and the 7th crank arm, is disposed on the first crank arm and the tenth crank arm
The direction of the corresponding excessive balance weight II of biasing, first crank arm and the 7th crank arm balance weight I is identical, towards song
The direction that one side of the axis longitudinal axis, the 4th crank arm and the tenth crank arm bias excessive balance weight II is identical, towards the bent axle longitudinal axis
Another party, respectively install a fluted disc at third crank arm and the 8th crank arm additional, crankshaft counterbalance gear ring carried on fluted disc, for driving
Dynamic balancer.
Further, the balance weight is sector structure, and the direct forging molding of balance weight reduces amount of machining.
Further, the balance mechanism includes and the matched gear of crankshaft counterbalance gear ring, wherein the balance mechanism
The speed ratio of gear and crankshaft counterbalance gear ring is 2:1.
Further, the crankshaft counterbalance gear ring is connected to by hot cover process on bent axle, and crankshaft counterbalance gear ring and bent axle are same
Step rotation.
Further, the working surface of the trunnion and rod journal uses high-frequency quenching or nitrogen treatment, improves bent axle
Fatigue resistance and toughness.
Further, the rod journal uses arc transition with crank arm junction, can eliminate stress concentration, prevent from making
It with middle generation crackle or fractures, improves the service life of bent axle.
Further, the bent axle uses crank shaft blank third cylinder rod axle journal three-dimensional forging molding upward, and each balance weight is not
It needs to be machined out, bent axle gear ring disk is processed molding immediately above in rough forging.
The bent axle of the present invention is by the basic engineering of ignition order 1-2-4-5-3, and under this ignition order, rotation is used
Property moment unbalance, the first order reciprocating inertia force square and two-stage reciprocating inertia force square are uneven.First, the four, the 7th and the tenth
Balance weight is arranged on crank arm, this four balance weight collective effects carry out complete equipilibrium rotatory inertia torque.Since single order is back and forth used to
Property torque it is smaller, two-stage reciprocating inertia force square is larger, so the quality of balance weight II of the selection by first and the tenth on crank arm
Add excess, makes to generate the reversed rotatory inertia torque of an excess, the first order reciprocating inertia force that numerical values recited is 50% when rotation
Square, for cutting down the first order reciprocating inertia force square so that one before originally just smaller the first order reciprocating inertia force square is reduced to
Half, while the use of with bent axle speed ratio being 2:1 balance mechanism carrys out complete equipilibrium two-stage reciprocating inertia force square so that engine it is whole
Body shock conditions can be received.The first, the balance weight on the four, the 7th and the tenth crank arm generates one jointly at runtime
Effect, even if 50% the first order reciprocating inertia force square is offset and shifted while rotatory inertia torque complete equipilibrium.
The beneficial effects of the invention are as follows：The five cylinder diesel bent axles of the present invention, can be in the original production technology upper edge of enterprise
The quality of engine is reduced while reducing engine development production cost with the resources of production of six cylinder machines, is met more
The different demand of user, increases the competitiveness of enterprise product.By on bent axle first, the four, the 7th and the tenth crank arm
It arranges balance weight complete equipilibrium rotatory inertia torque, adds excess in the balance weight of first and the tenth on crank arm, it can be past by single order
Multiple moment of inertia shifts 50% to horizontal direction；Install a gear ring dish driving balancing machine additional respectively at third and the 8th crank arm
Structure solves the problems, such as that five cylinder machine two level reciprocal inertia force squares are unbalanced, realize rotating inertia force and rotatory inertia torque from
Balance, ensures the stability of crankshaft operation.
Description of the drawings
Fig. 1 is the assembly figure of the present invention.
Fig. 2 is crank assemblby front view.
Fig. 3 is the structure chart of the crank arm with balance weight.
In figure：1- trunnions, 2- crankshaft counterbalance gear rings, 3- balance mechanisms, 4- fluted discs, 5- rod journals, 6- crank arms, 7-
Balance weight I, the excessive balance weights of 8- II.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific implementation mode the present invention is described in further detail.
As shown in the figure：A kind of five cylinder diesel bent axles, including trunnion 1, crank arm 6 and rod journal 5, two songs in left and right
Shaft arm 6 and the trunnion 1 of left and right two constitute a crank throw, and corresponding balance is disposed on the 4th crank arm and the 7th crank arm
The corresponding excessive balance weight II 8 of biasing, first crank arm are disposed on block I 7, the first crank arm and the tenth crank arm
It is identical with the direction of the 7th crank arm balance weight I 7, towards a side of the bent axle longitudinal axis, the 4th crank arm and the biasing of the tenth crank arm
The direction of excessive balance weight II 8 is identical, towards another party of the bent axle longitudinal axis, is respectively installed additional at third crank arm and the 8th crank arm
One fluted disc 4 carries crankshaft counterbalance gear ring 2 on fluted disc 4, for driving balance mechanism 3.The balance weight 7,8 is sector structure.
Further, the balance mechanism 3 includes and 2 matched gear of crankshaft counterbalance gear ring, wherein the balancing machine
The speed ratio of structure gear and crankshaft counterbalance gear ring 2 is 2:1.
Further, the crankshaft counterbalance gear ring 2 is connected to by hot cover process on bent axle, crankshaft counterbalance gear ring 2 and bent axle
Synchronous rotary.
Further, the working surface of the trunnion 1 and rod journal 5 uses high-frequency quenching or nitrogen treatment, improves bent
The fatigue resistance and toughness of axis.
Further, the rod journal 5 uses arc transition with 6 junction of crank arm, can eliminate stress concentration, prevent
Crackle occurs in use or fractures, improves the service life of bent axle.
Further, the bent axle uses crank shaft blank third cylinder rod axle journal three-dimensional forging molding upward, and each balance weight is not
It needs to be machined out, bent axle gear ring disk is processed molding immediately above in rough forging.
The bent axle of the present invention arranges balance weight on the first, the four, the 7th and the tenth crank arm respectively, this four balance weights
It will produce the effect of a rotatory inertia torque at work, this torque is in 126 ° after one cylinder top dead centre of bent axle of position always
It sets, for balancing the first order reciprocating inertia force square of rotatory inertia torque caused by whole bent axle piston connecting rod units and 50%.Together
When, the regulating power of crankshaft counterbalance is increased in the production process in later stage, is effectively reduced bent axle rejection rate, is reduced and be produced into
This.
The bent axle is provided with bent axle gear ring disk in third and the 8th crank arm, for driving front and back two sets of balance mechanisms,
Although this type of drive merely adds a bent axle gear ring disk and a balance arbor driven gear ring, can but effectively reduce flat
The size for the mechanism that weighs, reduces the technological requirement of balance mechanism, to reach the mesh for reducing production cost, reducing overall mass
's.
The foregoing is merely presently preferred embodiments of the present invention, is not limitation of the present invention.The ordinary skill of this field
The variations, modifications, additions or substitutions that personnel are made in the essential scope of the present invention should also belong to the protection model of the present invention
It encloses.
Claims (8)
1. a kind of five cylinder diesel bent axles, including trunnion, crank arm and rod journal, it is characterised in that：The crank arm position
In adjacent two between trunnion and rod journal, the both ends of the surface of the crank arm are connected with trunnion, rod journal respectively
It connects, a connecting rod journal diameter and adjacent two crank arms and adjacent two trunnions form a crank throw, the 4th crank arm
With corresponding balance weight I is disposed on the 7th crank arm, be disposed on the first crank arm and the tenth crank arm it is corresponding partially
Set excessive balance weight II, the direction of first crank arm and the 7th crank arm balance weight I is identical, towards the one of the bent axle longitudinal axis
Side, the direction that the 4th crank arm and the tenth crank arm bias excessive balance weight II is identical, towards another party of the bent axle longitudinal axis, the
It respectively installs a fluted disc at three crank arms and the 8th crank arm additional, crankshaft counterbalance gear ring is carried on fluted disc, for driving balance mechanism.
2. five cylinder diesels bent axle according to claim 1, it is characterised in that：The balance weight is sector structure.
3. five cylinder diesels bent axle according to claim 1, it is characterised in that：The balance mechanism includes flat with bent axle
Weigh the matched gear of gear ring.
4. five cylinder diesels bent axle according to claim 3, it is characterised in that：The balance mechanism gear and crankshaft counterbalance
The speed ratio of gear ring is 2:1.
5. five cylinder diesels bent axle according to any one of claims 1 to 4, it is characterised in that：The crankshaft counterbalance gear ring
It is connected on bent axle by hot cover process.
6. five cylinder diesels bent axle according to any one of claims 1 to 4, it is characterised in that：The trunnion and connecting rod
The working surface of axle journal uses high-frequency quenching or nitrogen treatment.
7. five cylinder diesels bent axle according to any one of claims 1 to 4, it is characterised in that：The rod journal and song
Shaft arm junction uses arc transition.
8. five cylinder diesels bent axle according to any one of claims 1 to 4, it is characterised in that：The bent axle uses third
Cylinder rod axle journal three-dimensional forging molding upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000870.8A CN105465158B (en) | 2016-01-04 | 2016-01-04 | A kind of five cylinder diesel bent axles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000870.8A CN105465158B (en) | 2016-01-04 | 2016-01-04 | A kind of five cylinder diesel bent axles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465158A CN105465158A (en) | 2016-04-06 |
| CN105465158B true CN105465158B (en) | 2018-10-09 |
Family
ID=55603211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610000870.8A Active CN105465158B (en) | 2016-01-04 | 2016-01-04 | A kind of five cylinder diesel bent axles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465158B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907426B (en) * | 2017-04-06 | 2019-01-22 | 江苏常发农业装备股份有限公司 | A kind of Dual-shaft balance mechanism and its balance method of single cylinder diesel |
| CN109611442A (en) * | 2019-02-15 | 2019-04-12 | 广西玉柴机器股份有限公司 | 10 cylinder diesel crankshaft of V-type |
| CN112065843A (en) * | 2020-08-28 | 2020-12-11 | 东风商用车有限公司 | Crankshaft with crank arm heat sleeved with gear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4019304C1 (en) * | 1990-06-16 | 1991-12-19 | Man Nutzfahrzeuge Ag, 8000 Muenchen, De | |
| CN2470602Y (en) * | 2001-01-04 | 2002-01-09 | 昆明云内动力股份有限公司 | Crank shaft of five-cylinder diesel engine |
| FR2885661B1 (en) * | 2005-05-12 | 2007-08-03 | Renault Soc Par Actions Simpli | THERMAL MOTOR COMPRISING BALANCING SHAFTS THAT CAN BE IMMOBILIZED BY A PIN |
| US9273604B2 (en) * | 2013-02-08 | 2016-03-01 | Electro-Motive Diesel, Inc. | Crankshaft |
| US9470291B2 (en) * | 2014-04-07 | 2016-10-18 | Ford Global Technologies, Llc | Production feasible pendulum crankshaft |
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2016
- 2016-01-04 CN CN201610000870.8A patent/CN105465158B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105465158A (en) | 2016-04-06 |
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