CN105041964B - The method to set up of I. C. engine crankshaft shock absorber - Google Patents
The method to set up of I. C. engine crankshaft shock absorber Download PDFInfo
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- CN105041964B CN105041964B CN201510378520.0A CN201510378520A CN105041964B CN 105041964 B CN105041964 B CN 105041964B CN 201510378520 A CN201510378520 A CN 201510378520A CN 105041964 B CN105041964 B CN 105041964B
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- shock absorber
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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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- General Engineering & Computer Science (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of method to set up of I. C. engine crankshaft shock absorber, this method is specially：First, the MAP of engine swept volume and damper rings rotary inertia is worked out；Secondly, according to MAP, ring rotary inertia of the damper rings rotary inertia corresponding to a certain engine swept volume as standard shock absorber is set；And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from MAP, and then using both the ring rotary inertia of the ring rotary inertia of current desired shock absorber and standard shock absorber magnitude relationships as basis for estimation, choose a standard shock absorber or several standard damper combinations form damper assembly as current complete machine shock absorber；Internal combustion engine absorber designing is several standard shock absorbers by the method to set up, internal combustion engine in a certain discharge capacity section can meet complete machine work requirements by one or several standard damper combinations, without additional designs shock absorber, design efficiency is improved, and shock absorber specification quantity can be greatly reduced.
Description
Technical field
The present invention relates to antivibration area, the more particularly to a kind of method to set up and shock absorber of I. C. engine crankshaft shock absorber
Component.
Background technology
Bent axle is a kind of elasticity of torsion system, and itself has certain natural frequency of vibration.In engine working process, through even
The size and Orientation that bar is transmitted to the active force of crank-pin all periodically changes, and this periodically variable sharp power acts on
On bent axle, cause the instantaneous angular velocity that crank throw turns round also into cyclically-varying.Due to the Rotary Inertia of Flywheel being packed on bent axle
Greatly, its instantaneous angular velocity is substantially considered as uniformly.So, crank throw sometimes will turn soon than flywheel, sometimes again than flying
Rotate slowly, the torsionoscillation relative to flywheel, that is, the twisting vibration of bent axle are formed, when excitation force frequency and bent axle self-vibration
When frequency is into integral multiple, crankshaft torsional vibrations just aggravate because of resonance.This will make engine power receive loss, aggravate gear or
Rack wears, and even twists off bent axle when serious.
Bent axle largely decides interior as one of main motion parts in internal combustion engine, its intensity and reliability
The reliability of combustion engine.It is existing typically in the leading section mounting dampers of bent axle in order to solve the above problems, to cut down crankshaft torsion
Vibration, improve the fatigue life of bent axle.
The type for the shock absorber for being installed on crankshaft front end portion at present have it is a variety of, it is typically conventional for chip shock absorber.It is existing
The chip shock absorber of dimension is typically set in technology according to the size of engine crankshaft twist power, i.e., a kind of model is started
Machine corresponds to a kind of chip shock absorber of specification, and each type is required for carrying out related matching work, and efficiency is low, and cost is high.
In addition, increasing with internal combustion engine type quantity, shock absorber specification quantity is also relatively more, is so also not easy to design
Management, production and rear market spare parts management.
Therefore, how a kind of reasonable method to set up of I. C. engine crankshaft shock absorber is provided, improves IC Engine Design efficiency, drop
Low cost, and it is easy to design, production management, it is those skilled in that art's technical problem urgently to be resolved hurrily.
The content of the invention
The purpose of the present invention is to provide a kind of method to set up and damper assembly of I. C. engine crankshaft shock absorber, the internal combustion engine
The method to set up of vibration damper can improve IC Engine Design efficiency, reduce cost, and be easy to design, production management.
In order to solve the above technical problems, the present invention provides a kind of method to set up of I. C. engine crankshaft shock absorber, this method tool
Body is：
Work out the MAP of engine swept volume and damper rings rotary inertia；
According to the MAP, damper rings rotary inertia corresponding to a certain engine swept volume is set as standard shock absorber
Ring rotary inertia；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from the MAP, and then to work as
Both the ring rotary inertia of the ring rotary inertia of shock absorber and the standard shock absorber needed for preceding magnitude relationships are basis for estimation, choosing
A standard shock absorber or several standard damper combinations is taken to form damper assembly as current complete machine shock absorber.
Internal combustion engine absorber designing is that several standards subtract by the method to set up of I. C. engine crankshaft shock absorber provided in this article
Shake device, and the internal combustion engine in a certain discharge capacity section can be by the standard shock absorber of same model or the standard vibration damping of several different models
Device is combined to meet complete machine work requirements, so in overall design, without additional designs shock absorber, improves design efficiency, drop
Low use cost, furthermore it is also possible to greatly reduce shock absorber specification quantity, it is easy to design management, production and rear market spare part pipe
Reason.
Optionally, the setting steps of required shock absorber are specially：
The engine swept volume is divided into by least two discharge capacity sections according to the MAP, it is right in each discharge capacity section
A standard shock absorber should be set；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from the MAP, with current institute
The size of the ring rotary inertia of the ring rotary inertia of the shock absorber standard shock absorber corresponding with its residing discharge capacity section is needed to close
It is for basis for estimation, chooses a standard shock absorber corresponding to the discharge capacity section or several standard damper combination shapes
Into damper assembly as current complete machine shock absorber.
Optionally, the ring rotary inertia of the current desired shock absorber standard shock absorber corresponding with its residing discharge capacity section
Ring rotary inertia size judge be specially：
When the ring rotary inertia of the current desired shock absorber is less than the standard vibration damping corresponding to its residing discharge capacity section
During the ring rotary inertia of device, it is current complete machine shock absorber to choose a standard shock absorber；When the current desired shock absorber
Ring rotary inertia be less than corresponding to its residing discharge capacity section during the ring rotary inertia of the standard shock absorber, choose described in two
Standard damper combination forms damper assembly as current complete machine shock absorber；
Wherein, the standard shock absorber is one of the ring rotary inertia corresponding to the discharge capacity section maximum pump discharge internal combustion engine
Half.
Optionally, the setting steps of required shock absorber are specially：
The engine swept volume is divided into by least two discharge capacity sections according to the MAP, it is right in each discharge capacity section
A standard shock absorber should be set；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from MAP, if current desired
The ring rotary inertia of shock absorber is in minimum injection rate section, then according to the ring rotary inertia of current desired shock absorber and minimum
The ring rotary inertia relation of standard shock absorber, one or several minimum standard shock absorbers are chosen as complete machine shock absorber；It is no
Then, the standard shock absorber in two or more different displacements sections is combined as complete machine shock absorber.
Optionally, the engine swept volume is divided into three discharge capacity sections：It is light-duty discharge capacity section, heavy discharge capacity section, big
Type discharge capacity section；The light-duty discharge capacity section, the heavy discharge capacity section, the discharge capacity in the large-scale discharge capacity section increase successively.
Optionally, the quantity for combining standard shock absorber described in the damper assembly of formation is less than or equal to four.
Present invention also offers a kind of damper assembly, including at least two standard shock absorbers, each standard shock absorber
Middle part is equipped with the through hole for being set in tie-plate, and circumferentially, the two standard shock absorbers, which are additionally provided with least two groups, coaxially pacifies
Hole is filled, bolt is provided with mounting hole described in each group, each standard shock absorber is fixed on by the tie-plate by the bolt
Flange.
Optionally, the quantity of the standard shock absorber is two, and the middle part of each standard shock absorber is provided with mounting groove, institute
The center for stating mounting groove opens up the through hole, and each mounting hole is opened in the bottom wall of the mounting groove, when two marks
During quasi- shock absorber assembling, the notch of two mounting grooves is towards outside, and the flange of the tie-plate is placed in one one
Inside the mounting groove of the standard shock absorber and against the bottom land inwall of the mounting groove.
Optionally, the quantity of the standard shock absorber is more than or equal to three, and the middle part of each standard shock absorber is provided with peace
Tankage, the center of the mounting groove open up the through hole, and each mounting hole is opened in the bottom wall of the mounting groove, when each
During standard shock absorber assembling, position near the mounting groove of the standard shock absorber of the connection reel flanges notch to
Outside, the notch of the mounting groove of remaining each standard shock absorber is relative two-by-two；And the flange of the tie-plate is placed in outermost
Inside the mounting groove of the standard shock absorber and against the bottom land inwall of the mounting groove.
Optionally, the interior volume surrounded positioned at the mounting groove of the two standard shock absorbers of centre is additionally provided with model pad method
Orchid, the position that the cushion block flange corresponds to mounting hole offer through hole, so that the bolt passes through.
Optionally, vertically, the length of the cushion block flange is more than the installation groove deep sum of the two standard shock absorbers.
Brief description of the drawings
Fig. 1 is the flow chart of the method to set up of I. C. engine crankshaft shock absorber in a kind of specific embodiment of the present invention；
Fig. 2 is the structural representation for the damper assembly that crankshaft end is installed in an embodiment of the present invention；
Fig. 3 is the structural representation for the damper assembly that crankshaft end is installed in another embodiment of the present invention；
Fig. 4 is the structural representation for the damper assembly that crankshaft end is installed in the third embodiment of the invention.
Wherein, one-to-one relationships of the Fig. 2 into Fig. 4 between component names and reference is as follows：
Bent axle 1, tie-plate 2, standard shock absorber 3, mounting groove 31, mounting hole 32, bolt 4, cushion block flange 5.
Embodiment
The core of the present invention is to provide a kind of method to set up and damper assembly of I. C. engine crankshaft shock absorber, the internal combustion engine
The method to set up of vibration damper can improve IC Engine Design efficiency, reduce cost, and be easy to design, production management.
Herein technical scheme and technique effect are introduced so that internal combustion engine vibration damper is chip shock absorber as an example, and in order to
Those skilled in the art is set to more fully understand technical scheme, with reference to method, structure, accompanying drawing and specific implementation
The present invention is described in further detail for example.
Fig. 1 is refer to, Fig. 1 is the flow of the method to set up of I. C. engine crankshaft shock absorber in a kind of specific embodiment of the present invention
Figure.
The invention provides a kind of method to set up of the shock absorber of I. C. engine crankshaft 1, this method is specially：
S1, establishment engine swept volume and damper rings rotary inertia MAP；The establishment of MAP can utilize existing
Gross data, the acquisition workload of gross data are smaller, naturally it is also possible to carry out the data that actual tests measure, experiment measures number
According to relatively more accurate；
S2, according to the MAP, set damper rings rotary inertia corresponding to a certain engine swept volume as standard shock absorber
3 ring rotary inertia；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from MAP, and then with current institute
Needing the ring rotary inertia of the ring rotary inertia of shock absorber and standard shock absorber 3, magnitude relationship be basis for estimation between the two, selection
One standard shock absorber 3 or several combinations of standard shock absorber 3 form damper assembly as current complete machine shock absorber.
The magnitude relationship can be ratio relation, or difference relationship, continue to introduce technology herein by taking ratio as an example
Scheme.If the ring rotary inertia ratio of the ring rotary inertia of current desired shock absorber and standard shock absorber 3 be less than or equal to 1 (or
Person 1.2, and ratio coefficient can arbitrarily be set), that is to say, that if the ring rotary inertia of current desired shock absorber is less than or equal to institute
The ring rotary inertia of standard shock absorber 3 is stated, then a standard shock absorber 3 is set in the end of bent axle 1；Similarly, it is if above-mentioned
It is damper assembly as current complete machine vibration damping that ratio can select to combine two standard shock absorbers 3 between 1 to 2
Device.
Usually, it is contemplated that the overall performance of the internal combustion engine such as engine, diesel engine, the shock absorber acceptance of the bid combined
The number of quasi- shock absorber 3 is no more than four, i.e., less than or equal to four.In order to facilitate arrangement, the external diameter of standard shock absorber 3 meet it is whole
Under conditions of wheel system arrangement, as far as possible greatly, thickness is as thin as possible, it should be noted that the processing technology feasibility of shock absorber,
The integral thickness of damper assembly after combination is preferably controlled within 20mm, i.e., less than or equal to 20mm.
Above is give the preferred thickness of the damper assembly under the premise of design condition permission.Certainly, subtract after combination
The integral thickness for device assembly of shaking is also not limited to above-mentioned size, and for big-block engine, the integral thickness of damper assembly may
20mm can be more than.
Engine swept volume can be divided into by two or more discharge capacity sections according to MAP, hereafter to be divided into three rows
Amount introduces technical scheme exemplified by section, and by taking diesel engine as an example, three sections can be defined as：Light diesel engine section, heavy bavin
Oil machine section, large-scale diesel engine section, the criteria for classifying may be referred to following：The scope of diesel engine discharge capacity in light diesel engine section
For：2L~6L, diesel engine displacement range is in large diesel engine section：7L~16L, diesel engine discharge capacity in large-scale diesel engine section
Scope is：More than 17L.
The embodiment of the method to set up of shock absorber needed for two kinds is following present, is described in detail below shown.
In the first specific embodiment, three discharge capacity sections being divided according to above-mentioned MAP：Light diesel engine area
Between, large diesel engine section, large-scale diesel engine section, one standard shock absorber 3 of corresponding setting, i.e., light-duty in each discharge capacity section
Diesel engine section, large diesel engine section, large-scale diesel engine section set light-weight standard shock absorber 3, heavy standard vibration damping respectively
Device 3, large-scale standard shock absorber 3.
The ring rotary inertia of shock absorber, subtracts according to current desired needed for being searched according to Current internal combustion engines discharge capacity from MAP
Shake device the ring rotary inertia standard shock absorber 3 corresponding with its residing discharge capacity section ring rotary inertia ratio, choosing should
A standard shock absorber 3 corresponding to discharge capacity section or several combinations of standard shock absorber 3 form damper assembly conduct
Current complete machine shock absorber.
It is and light-duty that is, if the ring rotary inertia of current desired shock absorber is in light diesel engine section
Standard shock absorber 3 is compared judgement, if the ring of the ring rotary inertia of required shock absorber and light-weight standard shock absorber 3 is rotated and is used to
The ratio of amount is less than or equal to preset value, then chooses light-weight standard shock absorber 3 as current desired shock absorber, be arranged at complete machine
The end of bent axle 1；If the ring rotary inertia ratio of the ring rotary inertia of required shock absorber and light-weight standard shock absorber 3 is 2,
Select the light-weight standard shock absorber 3 of two numbers to assemble and form damper assembly, be then installed on the end of bent axle 1.
Certainly, if the ratio of the ring rotary inertia of required shock absorber and the ring rotary inertia of light-weight standard shock absorber 3 is
Decimal, complete machine service behaviour can be considered, select the number of adjacent integer alternatively standard shock absorber 3.
In a kind of embodiment, the ring rotary inertia of current desired shock absorber is corresponding with its residing discharge capacity section
The size of the ring rotary inertia of standard shock absorber 3 judges：When the ring rotary inertia of current desired shock absorber is less than its institute
When locating the ring rotary inertia of standard shock absorber 3 corresponding to discharge capacity section, it is current complete machine vibration damping to choose a standard shock absorber 3
Device；The ring rotation for being less than standard shock absorber 3 corresponding to its residing discharge capacity section when the ring rotary inertia of current desired shock absorber is used
During amount, choose two combinations of standard shock absorber 3 and form damper assembly as current complete machine shock absorber.
Wherein, standard shock absorber 3 is the half of the ring rotary inertia corresponding to the discharge capacity section maximum pump discharge internal combustion engine.
Similarly, in this embodiment, if the ring rotary inertia of current desired shock absorber is in large diesel engine area
Between, then judge compared with heavy standard shock absorber 3, select one or several heavy standard shock absorbers 3 to be used as complete machine vibration damping
Device.
In second of specific embodiment, three discharge capacity sections being divided according to above-mentioned MAP：Light diesel engine area
Between, large diesel engine section, large-scale diesel engine section, one standard shock absorber 3 of corresponding setting, i.e., light-duty in each discharge capacity section
Diesel engine section, large diesel engine section, large-scale diesel engine section set light-weight standard shock absorber 3, heavy standard vibration damping respectively
Device 3, large-scale standard shock absorber 3.
The ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from MAP, if current desired subtract
The ring rotary inertia of device of shaking is in minimum injection rate section, then according to the ring rotary inertia of current desired shock absorber and the minimum mark
The ring rotary inertia relation of quasi- shock absorber 3, choose one or several minimums standard shock absorber 3 and be used as complete machine shock absorber；It is no
Then, the standard shock absorber 3 for combining two or more different displacements sections is used as complete machine shock absorber.
For example, in light diesel engine section, can select to use one or two light-weight standard shock absorber 3
Meet demand, for large diesel engine section, heavy standard shock absorber 3 and light-weight standard shock absorber 3 can be used to combine
Meet demand；Similarly, for large-scale diesel engine section, large-scale standard shock absorber 3, heavy standard shock absorber 3 and light can be used
The three of type standard shock absorber 3 combination meets currently used demand.
So, the standard shock absorber 3 in different displacements section is applied in combination, and accuracy is higher, is advantageous to improve complete machine work
Performance.
The concrete structure of the damper assembly combined for the standard shock absorber 3 in the various embodiments described above may be referred to
Describe below.
Damper assembly provided in this article can include at least two standard shock absorbers 3, in each standard shock absorber 3
Portion is equipped with the through hole for being set in tie-plate 2, and circumferentially, two standard shock absorbers 3 are additionally provided with least two groups and are co-axially mounted hole
32, mounting hole 32 described in each group is interior to be provided with bolt 4, and each standard shock absorber 3 is fixed on to the method for tie-plate 2 by bolt 4
It is blue.Standard shock absorber 3 in damper assembly can be same model, or different model, you can think that identical ring turns
Dynamic inertia, or different ring rotary inertias.
Fig. 2 and Fig. 3 are refer to, Fig. 2 is the knot for the damper assembly that crankshaft end is installed in an embodiment of the present invention
Structure schematic diagram；Fig. 3 is the structural representation for the damper assembly that crankshaft end is installed in the third embodiment of the invention.
In a kind of embodiment, the quantity of standard shock absorber 3 is more than or equal to three, and 3 standards are given in Fig. 2
The concrete structure that shock absorber 3 is applied in combination, the concrete structure that 4 each standard shock absorbers 3 are applied in combination is given in Fig. 3；Each standard
The middle part of shock absorber 3 is provided with mounting groove 31, and the center of mounting groove 31 opens up through hole, and each mounting hole 32 is opened in mounting groove 31
Bottom wall, when each standard shock absorber 3 assembles, groove of the position near the mounting groove 31 of the standard shock absorber 3 of the flange of tie-plate 2
Outwards, the notch of the mounting groove 31 of remaining each standard shock absorber 3 is relative two-by-two for mouth；And the flange of tie-plate 2 is placed in outermost
The inside of mounting groove 31 of standard shock absorber 3 and against the bottom land inwall of mounting groove 31.
The flange of the tie-plate 2 is placed in the mounting groove 31 of standard shock absorber 3, is greatly reduced damper assembly installation and is accounted for
Space, fixed reliably with tie-plate 2 in addition, being advantageous to damper assembly.
Also, the interior volume surrounded positioned at the mounting groove 31 of two middle standard shock absorbers 3 is additionally provided with cushion block flange
5, the position of the corresponding mounting hole 32 of cushion block flange 5 offers through hole, so that bolt 4 passes through；Damper assembly can so be increased
Fixed reliability.
In a preferred embodiment, vertically, the length of cushion block flange 5 is more than the installation of two standard shock absorbers 3
The groove depth sum of groove 31, i.e., slightly space between adjacent two standards shock absorber 3, is advantageous to distributing for the work calories of standard shock absorber 3.
Fig. 4 is refer to, Fig. 4 is that the structure for the damper assembly for being installed on crankshaft end in the third embodiment of the invention is shown
It is intended to.
In another embodiment, the quantity of standard shock absorber 3 is two, and the middle part of each standard shock absorber 3 is set
There is mounting groove 31, the center of mounting groove 31 opens up through hole, and each mounting hole 32 is opened in the bottom wall of mounting groove 31, when two standards
When shock absorber 3 assembles, the notches of two mounting grooves 31 is towards outside, and the flange of tie-plate 2 standard that is placed in one subtracts
Shake device 3 the inside of mounting groove 31 and against the bottom land inwall of mounting groove 31.
Internal combustion engine absorber designing is standard shock absorber by the method to set up of the shock absorber of I. C. engine crankshaft 1 provided in this article
3, the internal combustion engine in a certain discharge capacity section can be by the standard shock absorber 3 of same model or the standard shock absorber of several different models
3 combinations are to meet complete machine work requirements, so in overall design, without additional designs shock absorber, improve design efficiency, reduce
Use cost, furthermore it is also possible to greatly reduce shock absorber specification quantity, it is easy to design management, production and rear market spare parts management.
The method to set up and damper assembly of a kind of I. C. engine crankshaft shock absorber provided by the present invention are carried out above
It is discussed in detail.Specific case used herein is set forth to the principle and embodiment of the present invention, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the common skill for the art
For art personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these change
Enter and modify to also fall into the protection domain of the claims in the present invention.
Claims (6)
1. a kind of method to set up of I. C. engine crankshaft shock absorber, it is characterised in that this method is specially：
Work out the MAP of engine swept volume and damper rings rotary inertia；
According to the MAP, the ring for setting damper rings rotary inertia corresponding to a certain engine swept volume as standard shock absorber turns
Dynamic inertia；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from the MAP, and then with current institute
It is basis for estimation to need both the ring rotary inertia of shock absorber and the ring rotary inertia of the standard shock absorber magnitude relationship, chooses one
The individual standard shock absorber or several standard damper combinations form damper assembly as current complete machine shock absorber.
2. the method to set up of I. C. engine crankshaft shock absorber as claimed in claim 1, it is characterised in that the setting of required shock absorber
Step is specially：
The engine swept volume is divided into by least two discharge capacity sections according to the MAP, correspondingly set in each discharge capacity section
A fixed standard shock absorber；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from the MAP, subtracted with current desired
The magnitude relationship of ring rotary inertia of the ring rotary inertia standard shock absorber corresponding with its residing discharge capacity section of device of shaking is
Basis for estimation, chooses a standard shock absorber corresponding to the discharge capacity section or several standard damper combinations are formed and subtracted
Device assembly of shaking is as current complete machine shock absorber.
3. the method to set up of I. C. engine crankshaft shock absorber as claimed in claim 2, it is characterised in that current desired shock absorber
The size of the ring rotary inertia of the ring rotary inertia standard shock absorber corresponding with its residing discharge capacity section judges：
When the ring rotary inertia of the current desired shock absorber is less than the standard shock absorber corresponding to its residing discharge capacity section
During ring rotary inertia, it is current complete machine shock absorber to choose a standard shock absorber；Or
If the ring rotary inertia of current desired shock absorber and the ring rotary inertia ratio of standard shock absorber select between 1 to 2
It is damper assembly as current complete machine shock absorber to select two standard shock absorbers of combination；
Wherein, the ring rotary inertia of the standard shock absorber is that the ring rotation corresponding to the discharge capacity section maximum pump discharge internal combustion engine is used
The half of amount.
4. the method to set up of I. C. engine crankshaft shock absorber as claimed in claim 1, it is characterised in that the setting of required shock absorber
Step is specially：
The engine swept volume is divided into by least two discharge capacity sections according to the MAP, correspondingly set in each discharge capacity section
A fixed standard shock absorber；
And the ring rotary inertia of shock absorber needed for being searched according to Current internal combustion engines discharge capacity from MAP, if current desired vibration damping
The ring rotary inertia of device is in minimum injection rate section, then according to the ring rotary inertia of current desired shock absorber and the minimum standard
The ring rotary inertia relation of shock absorber, one or several minimum standard shock absorbers are chosen as complete machine shock absorber；Otherwise, group
The standard shock absorber in two or more different displacements sections is closed as complete machine shock absorber.
5. the method to set up of the I. C. engine crankshaft shock absorber as described in any one of claim 2 to 4, it is characterised in that in described
Combustion engine discharge capacity is divided into three discharge capacity sections：Light-duty discharge capacity section, heavy discharge capacity section, large-scale discharge capacity section；The light-duty row
Amount section, the heavy discharge capacity section, the discharge capacity in the large-scale discharge capacity section increase successively.
6. the method to set up of the I. C. engine crankshaft shock absorber as described in claim 2 or 4, it is characterised in that combine subtracting for formation
The quantity for standard shock absorber described in device assembly of shaking is less than or equal to four.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146727.4A CN107061623B (en) | 2015-07-01 | 2015-07-01 | Damper assembly and internal combustion engine with the damper assembly |
| CN201510378520.0A CN105041964B (en) | 2015-07-01 | 2015-07-01 | The method to set up of I. C. engine crankshaft shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378520.0A CN105041964B (en) | 2015-07-01 | 2015-07-01 | The method to set up of I. C. engine crankshaft shock absorber |
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| CN201710146727.4A Division CN107061623B (en) | 2015-07-01 | 2015-07-01 | Damper assembly and internal combustion engine with the damper assembly |
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| CN105041964A CN105041964A (en) | 2015-11-11 |
| CN105041964B true CN105041964B (en) | 2018-01-30 |
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| CN201710146727.4A Active CN107061623B (en) | 2015-07-01 | 2015-07-01 | Damper assembly and internal combustion engine with the damper assembly |
| CN201510378520.0A Active CN105041964B (en) | 2015-07-01 | 2015-07-01 | The method to set up of I. C. engine crankshaft shock absorber |
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| CN114264466B (en) * | 2021-12-23 | 2024-03-19 | 潍柴动力股份有限公司 | Method and device for predicting service life of shock absorber |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191105029A (en) * | 1911-02-28 | 1911-06-29 | Rolls Royce | Improvements in Means for Damping the Vibrations of the Crankshafts of Fluid Pressure Engines. |
| US3285096A (en) * | 1964-07-29 | 1966-11-15 | Bernard E O'connor | Torsional vibration damper |
| DE2118864A1 (en) * | 1971-04-19 | 1972-10-26 | Daimler-Benz Ag, 7000 Stuttgart | Torsional vibration damper for shafts |
| DE10248647A1 (en) * | 2002-10-18 | 2004-04-29 | Daimlerchrysler Ag | Vibration damper for crankshaft in internal combustion engine has flange component connected to crankshaft, flywheel mass rotatable in relation to flange component, and primary and secondary damping elements |
| DE202004021437U1 (en) * | 2004-12-15 | 2008-03-13 | Metaldyne International Deutschland Gmbh | torsional vibration dampers |
| CN201050572Y (en) * | 2007-04-21 | 2008-04-23 | 潍柴动力股份有限公司 | Diesel engine vibration-damper |
| US8146457B2 (en) * | 2008-01-24 | 2012-04-03 | Chrysler Group Llc | Disk pendulum vibration damper |
| FR2973464B1 (en) * | 2011-03-28 | 2020-02-28 | Valeo Embrayages | FLYWHEEL EQUIPPED WITH MEANS FOR RETAINING THE FIXING SCREWS ON THE CRANKSHAFT |
| CN104675899A (en) * | 2015-02-13 | 2015-06-03 | 柳州金鸿橡塑有限公司 | Parallel distribution type double-frequency twisting vibration reducer |
-
2015
- 2015-07-01 CN CN201710146727.4A patent/CN107061623B/en active Active
- 2015-07-01 CN CN201510378520.0A patent/CN105041964B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105041964A (en) | 2015-11-11 |
| CN107061623A (en) | 2017-08-18 |
| CN107061623B (en) | 2019-11-01 |
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