CN102052387A - Vibration reduction structure of transmission shaft assembly - Google Patents
Vibration reduction structure of transmission shaft assembly Download PDFInfo
- Publication number
- CN102052387A CN102052387A CN 201110002527 CN201110002527A CN102052387A CN 102052387 A CN102052387 A CN 102052387A CN 201110002527 CN201110002527 CN 201110002527 CN 201110002527 A CN201110002527 A CN 201110002527A CN 102052387 A CN102052387 A CN 102052387A
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- absorbing
- outer ring
- vibration
- inner ring
- shaft assembly
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a vibration reduction structure of a transmission shaft assembly. The vibration reduction structure comprises an axle tube, and is characterized by also comprising an outer ring, an inner ring and a vibration absorber, wherein the vibration absorber is fixedly connected between the outer ring and the inner ring so as to form an integral structure, and the integral structure of the outer ring, the inner ring and the vibration absorber is arranged in the middle part of the axle tube of the transmission shaft by way of interference fit; the vibration absorber comprises a vibration-absorption fixed connection body and a vibration-absorption spacing body, and the vibration-absorption fixed connection body and the vibration-absorption spacing body are distributed circumferentially and uniformly; the vibration-absorption fixed connection body is fixedly connected between the outer ring and the inner ring so as to form an integral structure, and a vibration reduction groove is arranged between the vibration-absorption fixed connection body and the vibration-absorption spacing body; and a space is formed between the vibration-absorption spacing body of the vibration absorber and the outer ring. The vibration reduction structure has the advantages that a vibration reduction device is arranged in the axle tube of the transmission shaft in a convenient assembly mode, and closely adhered to the inner wall of the axle tube without producing centrifugal forces, therefore, the noise and vibration of the transmission shaft assembly are effectively reduced, and the comfortableness of a finished automobile is improved.
Description
Technical field
The invention belongs to the vehicle transmission technical field, relate to a kind of driving-shaft assembly vibration damping structure.
Background technique
As everyone knows, vehicle driving shaft assembly takes dynamically balanced mode to reduce the amount of unbalance of driving-shaft assembly, makes transmission shaft steady driving torque on car load.But in the car load running process, when engine speed reaches higher speed, when gear mesh sound frequency and transmission shaft resonant frequency are synchronous, resonance can take place and produce resonance noise in the cardan-shaft tube of the main body of transmission shaft---thin walled cylinder shape, driving-shaft assembly can produce the shake and the noise that acutely thunders, can not satisfy the requirement of client, cause that client complains Automobile Design hommization and comfortableization.
Known patent ZL200610006671.4 transmission shaft; The reduction transmission shaft vibration that discloses and the method for noise are to be difficult for resilience as vibration reducing member after the cardboard pressurized complications by insertion cardboard cylindraceous in hollow central siphon, and intensity is low; Cardboard is rolled into the cylindric paper tube of perfect condition, exists by fold in the practical application or does not reply orbicular defective; And, being difficult for resilience after the cardboard pressurized complications, there are the gap in central siphon internal surface and paper tube outer surface, and under the effect of inertia that car load travels, the paper tube axis is understood the off-axis tube's axis, can not play the effect of vibration damping.
Summary of the invention
The invention discloses a kind of driving-shaft assembly vibration damping structure, do not solve problems such as driving-shaft assembly vibration and noise perfect technological scheme, effectiveness in vibration suppression be not good in the prior art to solve.
Driving-shaft assembly vibration damping structure of the present invention comprises central siphon; It is characterized in that: also comprise outer ring, inner ring, absorbing body; The absorbing body connects firmly between outer ring, inner ring and forms integrative-structure, and outer ring, inner ring, the interference of absorbing body integrative-structure are installed in the intermediate portion in the cardan-shaft tube.
Absorbing body of the present invention comprises that absorbing connects firmly body, absorbing interval body; Absorbing connects firmly body, the absorbing interval body is circumferentially uniform; Absorbing connects firmly body and connects firmly between outer ring, inner ring and form integrative-structure, and absorbing connects firmly between body and absorbing interval body has the vibration damping groove; Has the gap between absorbing interval body and outer ring.
Absorbing of the present invention connects firmly body, absorbing interval body quantity equates, 3 of quantity--and-8, circumferentially uniform;
Interstice coverage is at 2-8mm between absorbing interval body and outer ring
Outer ring of the present invention, inner ring, absorbing body integrative-structure interference fit joint intensity in cardan-shaft tube meet: outer ring, inner ring, absorbing body integrative-structure bear from cardan-shaft tube and break away from load＞900Kg.
The eigentone of outer ring of the present invention, inner ring, absorbing body integrative-structure is 270Hz ± 5%; When vibrating with eigentone, the vertical amplitude is in ± 0.04mm scope.
The linking intensity of outer ring of the present invention, inner ring, absorbing body integrative-structure meets: the outer ring outer surface is fixed, and with the eigentone vibration, when amount of unbalance reaches 5g, respectively vibrates 5X10 along vertical and 45 ° of directions
Back absorbing body does not have be full of cracks, and absorbing body and outer ring, inner ring do not have to be peeled off.
Outer ring of the present invention, inner ring, absorbing body integrative-structure meet, and behind 50 hours 120 ℃ of heat ageings, carry out 2.5X10
Vibration, part absorbing body does not have be full of cracks; Absorbing body and outer ring, inner ring do not have to be peeled off.
Outer ring of the present invention, inner ring, absorbing body integrative-structure meet, and behind 50 hours 120 ℃ of heat ageings, carry out 2.5X10
After the vibration test, the changing value of eigentone≤± 10%.
Advantage of the present invention is: use fit easily, vibration damping equipment is installed in the cardan-shaft tube, be close to shaft tube inner wall, no centrifugal force produces, and effectively reduces the noise and the vibration of driving-shaft assembly, improves the comfort property of car load.
Description of drawings
Fig. 1: be structural representation of the present invention;
Fig. 2: for A-A of the present invention analyses and observe outer ring, inner ring, absorbing body integrative-structure schematic representation;
Fig. 3: be outer ring, inner ring, absorbing body integrative-structure B-B sectional view;
Among the figure: 1 outer ring, 2 absorbing bodies, 3 inner rings, 4 central siphons, 2a absorbing connect firmly body, 2b absorbing interval body.
Embodiment
Describe one embodiment of the present of invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1: driving-shaft assembly of the present invention comprises steel matter outer ring 1, natural rubber absorbing body 2, steel matter inner ring 3, central siphon 4; Absorbing body 2 comprises that absorbing connects firmly body 2a, absorbing interval body 2b; Absorbing connects firmly body 2a, absorbing interval body 2b quantity equates, absorbing connects firmly each 3 of body 2a, absorbing interval body 2b, and is circumferentially uniform; Absorbing body 2 sulfuration bonding connects firmly between outer ring 1, inner ring 3, and absorbing connects firmly body 2a and connects firmly between outer ring 1, inner ring 3 and form integrative-structure, and absorbing connects firmly between body 2a and absorbing interval body 2b has the vibration damping groove; 1 of absorbing interval body 2b and outer ring have the gap, and gap width is 2mm, and outer ring 1, absorbing body 2, inner ring 3 integrative-structure interference are installed in the intermediate portion in the cardan-shaft tube 4.
The eigentone of outer ring 1, absorbing body 2, inner ring 3 integrative-structures is 270Hz ± 5%; When vibrating with eigentone, the vertical amplitude is in ± 0.04mm scope.
The integrative-structure of outer ring 1, absorbing body 2, inner ring 3 interference fit joint intensity in cardan-shaft tube 4 meets: outer ring 1, inner ring 3, absorbing body 2 integrative-structures bear from cardan-shaft tube 4 and break away from load＞900Kg.Outer ring 1 outer surface is fixed, and with the eigentone vibration, when amount of unbalance reaches 5g, respectively vibrates 5X10 along vertical and 45 ° of directions
Back absorbing body 2 does not have be full of cracks, and absorbing body 2 does not have with outer ring 1, inner ring 3 to be peeled off.
Two embodiments of invention, absorbing connects firmly body 2a, absorbing interval body 2b quantity equates, and absorbing connects firmly each 5 of body 2a, absorbing interval body 2b, and is circumferentially uniform; 1 of absorbing interval body 2b and outer ring have the gap, and gap width is 5mm.
Three embodiments of invention, absorbing connects firmly body 2a, absorbing interval body 2b quantity equates, and absorbing connects firmly each 8 of body 2a, absorbing interval body 2b, and is circumferentially uniform; 1 of absorbing interval body 2b and outer ring have the gap, and gap width is 8mm.
Claims (9)
1. a driving-shaft assembly vibration damping structure comprises central siphon; It is characterized in that: also comprise outer ring, inner ring, absorbing body; The absorbing body connects firmly between outer ring, inner ring and forms integrative-structure, and outer ring, inner ring, the interference of absorbing body integrative-structure are installed in the intermediate portion in the cardan-shaft tube.
2. according to the described a kind of driving-shaft assembly vibration damping structure of claim 1, it is characterized in that: the absorbing body comprises that absorbing connects firmly body, absorbing interval body; Absorbing connects firmly body, the absorbing interval body is circumferentially uniform; Absorbing connects firmly body and connects firmly between outer ring, inner ring and form integrative-structure, and absorbing connects firmly between body and absorbing interval body has the vibration damping groove; Has the gap between absorbing interval body and outer ring.
3. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: absorbing connects firmly body, absorbing interval body quantity equates, 3 ~ 8 of quantity are circumferentially uniform.
4. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: interstice coverage is at 2 ~ 8mm between absorbing interval body and outer ring.
5. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: outer ring, inner ring, absorbing body integrative-structure interference fit joint intensity in cardan-shaft tube meet: outer ring, inner ring, absorbing body integrative-structure bear from cardan-shaft tube and break away from load＞900Kg.
6. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: the eigentone of outer ring, inner ring, absorbing body integrative-structure is 270Hz ± 5%; When vibrating with eigentone, the vertical amplitude is in ± 0.04mm scope.
7. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: the linking intensity of outer ring, inner ring, absorbing body integrative-structure meets: the outer ring outer surface is fixed, with the eigentone vibration, when amount of unbalance reaches 5g, respectively vibrate 5X10 along vertical and 45 ° of directions
Back absorbing body does not have be full of cracks, and absorbing body and outer ring, inner ring do not have to be peeled off.
According to claim 1 or, 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: outer ring, inner ring, absorbing body integrative-structure meet, and behind 50 hours 120 ℃ of heat ageings, carry out 2.5X10
Vibration, part absorbing body does not have be full of cracks; Absorbing body and outer ring, inner ring do not have to be peeled off; Behind 50 hours 120 ℃ of heat ageings, carry out 2.5X10
After the vibration test, the changing value of eigentone≤± 10%.
9. according to claim 1 or 2 described a kind of driving-shaft assembly vibration damping structures, it is characterized in that: outer ring, interior loop material are steel; Absorbing body material is a natural rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110002527 CN102052387A (en) | 2011-01-07 | 2011-01-07 | Vibration reduction structure of transmission shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110002527 CN102052387A (en) | 2011-01-07 | 2011-01-07 | Vibration reduction structure of transmission shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102052387A true CN102052387A (en) | 2011-05-11 |
Family
ID=43957024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110002527 Withdrawn CN102052387A (en) | 2011-01-07 | 2011-01-07 | Vibration reduction structure of transmission shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102052387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758876A (en) * | 2012-06-30 | 2012-10-31 | 天津博信汽车零部件有限公司 | Torsional vibration absorber |
| CN104696432A (en) * | 2015-02-13 | 2015-06-10 | 柳州金鸿橡塑有限公司 | Built-in broadband torsion damper |
| CN108506417A (en) * | 2018-05-23 | 2018-09-07 | 威固技术（安徽）有限公司 | A kind of built-in transmission shaft dynamic vibration absorber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766355A (en) * | 2004-10-29 | 2006-05-03 | 东海橡胶工业株式会社 | Vibration damping bushing |
| CN1818404A (en) * | 2005-02-09 | 2006-08-16 | 本田技研工业株式会社 | Propeller shaft apparatus |
| US20070072688A1 (en) * | 2005-07-13 | 2007-03-29 | Dickson John A | Driveshaft system |
| CN101100157A (en) * | 2007-07-26 | 2008-01-09 | 常州车辆有限公司 | Floating shock-absorbing car axle assembly |
| CN101408237A (en) * | 2008-10-10 | 2009-04-15 | 南京航空航天大学 | Hollow shafting core rod type damping vibration absorber |
| JP2010090966A (en) * | 2008-10-07 | 2010-04-22 | Kobe Steel Ltd | Damping structure |
-
2011
- 2011-01-07 CN CN 201110002527 patent/CN102052387A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766355A (en) * | 2004-10-29 | 2006-05-03 | 东海橡胶工业株式会社 | Vibration damping bushing |
| CN1818404A (en) * | 2005-02-09 | 2006-08-16 | 本田技研工业株式会社 | Propeller shaft apparatus |
| US20070072688A1 (en) * | 2005-07-13 | 2007-03-29 | Dickson John A | Driveshaft system |
| CN101100157A (en) * | 2007-07-26 | 2008-01-09 | 常州车辆有限公司 | Floating shock-absorbing car axle assembly |
| JP2010090966A (en) * | 2008-10-07 | 2010-04-22 | Kobe Steel Ltd | Damping structure |
| CN101408237A (en) * | 2008-10-10 | 2009-04-15 | 南京航空航天大学 | Hollow shafting core rod type damping vibration absorber |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758876A (en) * | 2012-06-30 | 2012-10-31 | 天津博信汽车零部件有限公司 | Torsional vibration absorber |
| CN102758876B (en) * | 2012-06-30 | 2014-06-04 | 天津博信汽车零部件有限公司 | Torsional vibration absorber |
| CN104696432A (en) * | 2015-02-13 | 2015-06-10 | 柳州金鸿橡塑有限公司 | Built-in broadband torsion damper |
| CN108506417A (en) * | 2018-05-23 | 2018-09-07 | 威固技术（安徽）有限公司 | A kind of built-in transmission shaft dynamic vibration absorber |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20110511 |