CN108412599A - A kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage - Google Patents
A kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage Download PDFInfo
- Publication number
- CN108412599A CN108412599A CN201810204661.4A CN201810204661A CN108412599A CN 108412599 A CN108412599 A CN 108412599A CN 201810204661 A CN201810204661 A CN 201810204661A CN 108412599 A CN108412599 A CN 108412599A
- Authority
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- China
- Prior art keywords
- ring
- torsional vibration
- level
- groove profile
- twin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 6
- 238000004073 vulcanization Methods 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- 239000009504 gantong Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000013016 damping Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pulleys (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage, including input shaft, driving disc spacing pressing, driven disc, fan hub disk, groove profile ring, level-one torsion gum, level-one inertia mass ring, secondary torsional vibration reduction rubber ring, L-type ring, bolt, screw, the driving disc spacing pressing is fixedly connected by bolt with input shaft, the groove profile ring is fixedly connected by screw with the driving disc spacing pressing, the level-one inertia mass ring is arranged in the groove profile ring, the level-one torsion gum is evenly distributed in the groove profile ring, one side and the outer shroud inner wall of the groove profile ring are bonded by vulcanizing, the other side is bonded with level-one inertia mass epithioization；The centre bore of the L-type ring is by being interference fitted the inner ring assembly connection with groove profile ring.Present invention employs twin-stage torsion damping systems, improve damping, reduce hub rigidity and intrinsic frequency, more effectively reduce the twisting vibration in fan drive system.
Description
Technical field
The present invention relates to a kind of cooling fan of engine, a kind of specifically hair with the parallel torsional vibration damper of twin-stage
Motivation cooling fan.
Background technology
With the rapid development of Chinese Automobile Industry ', automobile has become in most of family lives essential one
Point, while meeting as the vehicles, requirement of the people to automotive performance is also constantly improving, therefore automobile is comfortable for it
The research and development of property is gradually paid attention to by automobile industry.Cooling system is one of noise and vibration source, wind
Fan rotor includes blade and front and back flange assembly, whole rotary bodies such as transmission shaft, belt pulley, and total centre of gravity is difficult and rotation center
It overlaps, will produce uneven centrifugal force when the rotor rotates, make rotor and bearing while generating vibration, increase bearing load, contracting
Short bearing life increases mechanicalness noise.Additionally, due to cost reason, also much using direct drive mode namely fan with
Wheel hub is connected with, and fan is directly driven to rotate by engine crankshaft belt pulley.Also the transmission axle base of some vehicles is too
Small, fan needs to be mounted in crankshaft end, is directly driven by bent axle, the twisting vibration of such engine is just transmitted as readily to fan wheel
Hub, if not effective vibration insulating system, be easy excessive Oscillation Amplitude is generated to fan hub or even blade, suffered by answer
Power is larger, to lower fatigue life, in addition also easily because generating larger vibration stress and noise in resonance.
Invention content
The purpose of the present invention is to provide a kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage, including input shaft, driving disc spacing pressing, driven disc, wind
Fan hub disk, fan hub disk are embedded with fan made of plastic material, when the fan injection molding and fan hub
Disk is fixed together,
Further include groove profile ring, several level-one torsion gums, level-one inertia mass ring, secondary torsional vibration reduction rubber ring, L-type
If ring, bolt stem, several screws, the driving disc spacing pressing are fixedly connected by the bolt with input shaft, the groove profile ring passes through institute
It states screw to be fixedly connected with the driving disc spacing pressing, the level-one inertia mass ring is arranged in the groove profile ring, the level-one torsion
Damping rubber block is evenly distributed in the groove profile ring, the side of the level-one torsion gum and the groove profile ring
Outer shroud inner wall is bonded by vulcanizing, and the other side is bonded with level-one inertia mass epithioization；The centre bore of the L-type ring passes through interference
The inner ring assembly connection of cooperation and groove profile ring, the secondary torsional vibration reduction rubber ring are bonded in axial side and L-type epithioization,
The opposite other side is connect with driven disc, and the driven disc is bolted to connection with fan hub disk.
Further, it is equipped with friction coefficient between the periphery wall of the outer shroud of the driven disc and groove profile ring and is less than 0.1
Drag ring.
Further, the drag ring is made of teflon material so that both driven disc and groove profile ring can be opposite
Rotation, while drag ring plays driven disc certain supporting role.
Further, the outer shroud inner wall of the groove profile ring has been uniformly arranged in the circumferential direction several subtracts for positioning the torsion of each level-one
Shake the groove of rubber block.
Further, several holes, the secondary torsional vibration reduction rubber are evenly arranged on the side ring surface of L-type ring side
Epithio is bonded on side ring surface and forms several protrusions for increasing secondary torsional vibration reduction rubber ring shear bond power full of hole.
Further, support collar, the secondary torsional vibration reduction are provided on the secondary torsional vibration reduction rubber ring
Rubber ring is connected by support collar and the bonding realization of driven disc internal circular surfaces.
Further, the end face of the inner ring is circumferentially arranged several through-holes for connecting the driving disc spacing pressing.
Further, it is provided in the middle part of the driving disc spacing pressing several by the bolt for being bolted the input shaft
Hole, several threaded holes for being connected by screw the groove profile ring.
Further, the outer edge of the driving disc spacing pressing is extended and is useful for preventing secondary torsional vibration reduction rubber ring degumming
It causes part to fall off and hits other parts and hurtful anchor ring.
Further, the level-one torsion gum is indent along two sides of the groove profile ring axial direction
The contour line in face, the inner concave is adjusted according to desired intrinsic frequency or rigidity.
Compared with prior art, the beneficial effects of the invention are as follows：
Secondary torsional vibration reduction system is used in the cooling fan of engine, is improved damping, is more effectively reduced
Twisting vibration in fan drive system；Level-one torsion damping system wherein in parallel because of vibration isolation rubber circle distribution several piece,
It adjusts its size to be easy to change the intrinsic frequency of level-one torsion damping system, active vibration isolation system can be used as, when lowering resonance
Amplitude；The two-stage vibration insulating system uses modular construction, can separate and manufacture, then be assembled, improve life
Efficiency is produced, while two-stage system and driving disc spacing pressing are protected each other, effectively prevent part to fall off and hit other parts.
Description of the drawings
Fig. 1 is the cooling fan overall assembling schematic diagram of the invention；
Fig. 2 is hub assembly axis side partial schematic sectional view；
Fig. 3 is hub assembly schematic elevation view；
Fig. 4 is the A-A schematic cross-sectional views in Fig. 3；
Fig. 5 is the structural schematic diagram of driving disc spacing pressing；
Fig. 6 is the structural schematic diagram of level-one torsion damping system；
Fig. 7 is groove profile ring structure schematic diagram；
Fig. 8 is the structural schematic diagram of secondary torsional vibration reduction system；
Fig. 9 is the structural schematic diagram of L-type ring；
Figure 10 is the structural schematic diagram of secondary torsional vibration reduction rubber ring.
As shown in the figure：1- input shafts, 2- driving disc spacing pressings, 21- threaded holes, 22- anchor rings, 3- groove profiles ring, 31- grooves, in 32-
Ring, 33- through-holes, 34- outer shrouds, 4- level-ones torsion gum, 5- level-one inertia masses ring, 6- secondary torsional vibration reduction rubber
Ring, 61- support collars, 62- protrusions, 7-L type rings, the side ring surfaces 72-, the holes 71-, 8- bolts, 9- screws, 10- drag rings, 11- from
Moving plate, 12- fan hubs disk, 13- fans.
Specific implementation mode
The present invention is described further in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 4, a kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage, including input
Axis 1, driving disc spacing pressing 2, driven disc 11, fan hub disk 12, groove profile ring 3, eight level-one torsion gums 4, level-one inertia
If quality loop 5, secondary torsional vibration reduction rubber ring 6, L-type ring 7, bolt stem 8, several screws 9, drag ring 10, the fan wheel
Hub disk 12 is embedded with fan 13 made of plastic material, and when 13 injection molding of fan is fixed on fan hub disk 12
Together, the driving disc spacing pressing 2 is fixedly connected by the bolt 8 with input shaft 1, the groove profile ring 3 by the screw 9 with it is described
Driving disc spacing pressing 2 is fixedly connected, and the level-one inertia mass ring 5 is arranged in the groove profile ring 3, the level-one torsion gum
4 are evenly distributed in the groove profile ring 3, the outer shroud 34 of the side of the level-one torsion gum 4 and the groove profile ring 3
Inner wall is bonded by vulcanizing, and the other side is bonded with the vulcanization of level-one inertia mass ring 5；The centre bore of the L-type ring 7 is matched by interference
32 assembly connection of inner ring with groove profile ring 3 is closed, the secondary torsional vibration reduction rubber ring 6 is viscous in axial side and the vulcanization of L-type ring 7
Knot, the opposite other side connect with driven disc 11, is assembled between the periphery wall of the outer shroud 34 of the driven disc 11 and groove profile ring 3
There is friction coefficient to be less than 0.1 drag ring 10, the drag ring 10 is made of teflon material so that driven disc and groove profile ring
The two can relatively rotate, while drag ring plays driven disc 11 certain supporting role, the driven disc 11 and fan wheel
Hub disk 12 is fixedly connected by eight bolts.
34 inner wall of outer shroud of the groove profile ring 3 has been uniformly arranged in the circumferential direction eight for positioning each level-one torsion damping rubber
The groove 31 of block 4 makes each level-one torsion gum 4 differ and falls off, the groove profile ring 3,4 and of level-one torsion gum
5 three of level-one inertia mass ring forms level-one torsion damping system；It is convex that support is provided on the secondary torsional vibration reduction rubber ring 6
Ring 61, the secondary torsional vibration reduction rubber ring 6 are connected by support collar 61 and the bonding realization of 11 internal circular surfaces of driven disc
It connects, the L-type ring 7, secondary torsional vibration reduction rubber ring 6, driven disc 11, fan hub disk 12 and fan 13 form the second level and turn round
Turn vibration insulating system, the inner ring 32 is used to support the driving link L-type ring 7 of secondary torsional vibration reduction system.
Several holes 71, the secondary torsional vibration reduction rubber ring 6 are evenly arranged on the side ring surface 72 of 7 side of L-type ring
Vulcanization is bonded on side ring surface 72 and forms the protrusion of several 6 shear bond power of increase secondary torsional vibration reduction rubber ring full of hole 71
62, increase by 6 shear bond power of secondary torsional vibration reduction rubber ring.
The end face of the inner ring 32 is circumferentially arranged several through-holes 33 for connecting the driving disc spacing pressing 2, to shape
At flange face.
2 middle part setting of the driving disc spacing pressing there are four connected by the bolt 8 input shaft 1 bolt hole, four
The threaded hole of the groove profile ring 3 is connected by screw 9.
The outer edge of the driving disc spacing pressing 2 is extended and is useful for preventing 6 degumming of secondary torsional vibration reduction rubber ring from causing zero
Part, which falls off, hits other parts and hurtful anchor ring 22.
The level-one torsion gum 4 is inner concave along two sides of 3 axial direction of groove profile ring, described interior
The contour line of concave surface is adjusted according to desired intrinsic frequency or rigidity.
The operation principle of the cooling fan of engine with the parallel torsional vibration damper of twin-stage that above-described embodiment provides is：
The crankshaft output end of engine directly connect with input shaft 1 or is connected by belt pulley, realizes the input of power, and engine is bent
Therefore the twisting vibration of axis is also transmitted in cooling fan assembly, by groove profile ring 3, level-one torsion gum 4, level-one inertia
Quality loop 5 form level-one vibration insulating system and by L-type ring 7, secondary torsional vibration reduction rubber ring 6, driven disc 11, fan hub disk
12, the two level vibration insulating system that fan 13 forms can absorb the energy of the twisting vibration inputted by engine crankshaft, play vibration damping
Effect, the rubber ring of two-stage greatly improve the damping of system compared to single-stage torsional vibration damper, further increase the effect of vibration damping,
Hub rigidity can also be lowered by increasing torsional vibration damper in fan hub simultaneously, to lower the intrinsic of fan and hub assembly
Frequency avoids the frequency of the main order of bent axle, avoids resonating.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (10)
1. a kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage, including input shaft (1), driving disc spacing pressing (2), from
Moving plate (11), fan hub disk (12), fan hub disk (12) are embedded with fan made of plastic material (13), the wind
It is fixed together with fan hub disk (12) when fanning (13) injection molding, it is characterised in that：
Further include groove profile ring (3), several level-one torsion gums (4), level-one inertia mass ring (5), secondary torsional vibration reduction
Rubber ring (6), L-type ring (7) if, bolt stem (8), several screws (9), the driving disc spacing pressing (2) pass through the bolt (8) with input
Axis (1) is fixedly connected, and the groove profile ring (3) is fixedly connected by the screw (9) with the driving disc spacing pressing (2), and the level-one is used
In the groove profile ring (3), the level-one torsion gum (4) is evenly distributed in the slot for property amount ring (5) setting
In type ring (3), the side of the level-one torsion gum (4) and outer shroud (34) inner wall of the groove profile ring (3) pass through sulphur
Change and bond, the other side is bonded with level-one inertia mass ring (5) vulcanization；The centre bore of the L-type ring (7) passes through interference fit and slot
Inner ring (32) assembly connection of type ring (3), the secondary torsional vibration reduction rubber ring (6) vulcanize in axial side and L-type ring (7)
It bonds, the opposite other side is connect with driven disc (11), and the driven disc (11) is solid by bolt with fan hub disk (12)
Fixed connection.
2. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
The friction that friction coefficient is less than 0.1 is equipped between the periphery wall of the outer shroud (34) of the driven disc (11) and groove profile ring (3)
Ring (10).
3. the cooling fan of engine according to claim 2 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
The drag ring (10) is made of teflon material.
4. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
Outer shroud (34) inner wall of the groove profile ring (3) has been uniformly arranged in the circumferential direction several for positioning each level-one torsion gum
(4) groove (31).
5. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
Several holes (71), the secondary torsional vibration reduction rubber ring (6) are evenly arranged on the side ring surface (72) of L-type ring (7) side
Vulcanization is bonded on side ring surface (72) and forms several increase secondary torsional vibration reduction rubber ring (6) shear bond power full of hole (71)
Protrusion (62).
6. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
Support collar (61) is provided on the secondary torsional vibration reduction rubber ring (6), the secondary torsional vibration reduction rubber ring (6) is logical
Support collar (61) is crossed to connect with the bonding realization of driven disc (11) internal circular surfaces.
7. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
The end face of the inner ring (32) is circumferentially arranged several through-holes (33) for connecting the driving disc spacing pressing (2).
8. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
Several bolt hole, Ruo Gantong that the input shaft (1) is connected by the bolt (8) are provided in the middle part of the driving disc spacing pressing (2)
Cross the threaded hole that screw (9) connects the groove profile ring (3).
9. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, it is characterised in that：
The outer edge of the driving disc spacing pressing (2), which is extended, is useful for preventing secondary torsional vibration reduction rubber ring (6) degumming from causing part de-
It falls and hits other parts and hurtful anchor ring (22).
10. the cooling fan of engine according to claim 1 with the parallel torsional vibration damper of twin-stage, feature exist
In：The level-one torsion gum (4) is inner concave along two sides of groove profile ring (3) axial direction, described interior
The contour line of concave surface is adjusted according to desired intrinsic frequency or rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204661.4A CN108412599B (en) | 2018-03-13 | 2018-03-13 | Engine cooling fan with two-stage parallel torsional damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204661.4A CN108412599B (en) | 2018-03-13 | 2018-03-13 | Engine cooling fan with two-stage parallel torsional damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108412599A true CN108412599A (en) | 2018-08-17 |
| CN108412599B CN108412599B (en) | 2024-04-09 |
Family
ID=63131219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810204661.4A Active CN108412599B (en) | 2018-03-13 | 2018-03-13 | Engine cooling fan with two-stage parallel torsional damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412599B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032249A (en) * | 2020-08-05 | 2020-12-04 | 华东交通大学 | Novel automobile transmission shaft rubber torsional damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2425541A1 (en) * | 1978-05-12 | 1979-12-07 | Chausson Usines Sa | Antivibration mounting for engine cooling fan - has rubber sleeve and rings on tube on end of crankshaft extension |
| JP2004144253A (en) * | 2002-10-28 | 2004-05-20 | Nok Corp | Torque fluctuation absorbing damper |
| JP2004286077A (en) * | 2003-03-20 | 2004-10-14 | Nok Corp | Torque fluctuation absorbing damper |
| CN205225877U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | Integrated form engine damping fan |
| CN208010455U (en) * | 2018-03-13 | 2018-10-26 | 华南理工大学 | A kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage |
-
2018
- 2018-03-13 CN CN201810204661.4A patent/CN108412599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2425541A1 (en) * | 1978-05-12 | 1979-12-07 | Chausson Usines Sa | Antivibration mounting for engine cooling fan - has rubber sleeve and rings on tube on end of crankshaft extension |
| JP2004144253A (en) * | 2002-10-28 | 2004-05-20 | Nok Corp | Torque fluctuation absorbing damper |
| JP2004286077A (en) * | 2003-03-20 | 2004-10-14 | Nok Corp | Torque fluctuation absorbing damper |
| CN205225877U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | Integrated form engine damping fan |
| CN208010455U (en) * | 2018-03-13 | 2018-10-26 | 华南理工大学 | A kind of cooling fan of engine with the parallel torsional vibration damper of twin-stage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032249A (en) * | 2020-08-05 | 2020-12-04 | 华东交通大学 | Novel automobile transmission shaft rubber torsional damper |
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| Publication number | Publication date |
|---|---|
| CN108412599B (en) | 2024-04-09 |
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