CN102182789B - Tuned mass damper for cantilever-type hollow thin-wall rotor - Google Patents
Tuned mass damper for cantilever-type hollow thin-wall rotor Download PDFInfo
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- CN102182789B CN102182789B CN2011101075285A CN201110107528A CN102182789B CN 102182789 B CN102182789 B CN 102182789B CN 2011101075285 A CN2011101075285 A CN 2011101075285A CN 201110107528 A CN201110107528 A CN 201110107528A CN 102182789 B CN102182789 B CN 102182789B
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- connecting rod
- hollow cylinder
- wall rotor
- hollow thin
- type hollow
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Abstract
The invention relates to a tuned mass damper for a cantilever-type hollow thin-wall rotor. The tuned mass damper for the cantilever-type hollow thin-wall rotor comprises a main body mechanism and a supporting mechanism, wherein the main body mechanism comprises an auxiliary mass block, a connecting rod and two spherical bearing blocks; the supporting mechanism comprises two end closures, a hollow cylinder, a positioning sleeve and a ball bearing; the auxiliary mass block and the connecting rod are jointing components; the auxiliary mass block is positioned in the middle of the connecting rod; a spherical bearing block is arranged at two ends of the connecting rod respectively; two spherical bearing blocks are embedded into the respective end closures which are opposite to each other; the two end closures seal the main body mechanism into the hollow cylinder; the hollow cylinder is tightly sleeved by the positioning sleeve; the ball bearing is arranged on the outer side of the center of the hollow cylinder; and the hollow cylinder is supported on the inner side of the thin-wall rotor through the ball bearing. The tuned mass damper for the cantilever-type hollow thin-wall rotor can reduce the vibration response of a tubular cylinder of a winding machine in the running process and ensure the production quality of chemical fibrous filaments.
Description
Technical field
The present invention relates to the vibration damper field, particularly relate to a kind of tuning mass bumper that is used for cantilever type hollow thin-wall rotor.
Background technique
In commercial production; Cantilever type thin-walled rotor occurs already; Key equipment---high-speed winder like chemical-fibre filaments production; Itself is a parameter time varying, many interfaces are coupled, high-speed rotor system, and its critical piece bobbin chuck is exactly a typical cantilever type hollow thin-wall rotor.
When up-coiler is worked; The multi-filament line is winding on the bobbin chuck with constant linear velocity; The vibratory response size of bobbin not only directly has influence on the quality of production of chemical-fibre filaments, and can pollute environment, influences the precision of miscellaneous equipment and operator's physical and mental health.Ministry of Industry and Information clearly proposed in about the instruction of Textile Machinery Industry structural adjustment in 2009, and it is one of emphasis of Textile Machinery Industry technological progress and technical innovation that the fully automatic high-speed up-coiler is made in exploitation.
Vibration problem when solving the up-coiler high speed operation, this patent has been developed a kind of novel tuning mass bumper to the typical cantilever type hollow thin-wall rotor structure of bobbin.
Summary of the invention
Technical problem to be solved by this invention provides a kind of tuning mass bumper that is used for cantilever type hollow thin-wall rotor, can reduce the vibratory response of up-coiler when running bobbin, guarantees the quality of production of chemical-fibre filaments.
The technical solution adopted for the present invention to solve the technical problems is: a kind of tuning mass bumper that is used for cantilever type hollow thin-wall rotor is provided; Comprise main body mechanism and supporting mechanism, described main body mechanism comprises quality of assistance piece, connecting rod and two spherical bearing pieces; Described supporting mechanism comprises two end caps, hollow cylinder, abutment sleeve and ball-joint axle; Described quality of assistance piece and connecting rod are conjunction, and described quality of assistance piece is positioned at the middle part of connecting rod; Described connecting rod two ends respectively are provided with a described spherical bearing piece; Described two spherical bearing pieces are embedded in the relative separately described end cap; Described two end caps are sealed in described main body mechanism in the described hollow cylinder; Described abutment sleeve lock ring is on described hollow cylinder; Described ball bearing is installed in the outside at described hollow cylinder center; Described hollow cylinder is supported on the inboard of hollow thin-wall rotor through described ball bearing.
Described spherical bearing piece is fixed on the two ends of described connecting rod through axle sleeve and axle head latch.
The cross section of described connecting rod is circular, and length is much larger than diameter.
The middle part interference fit of described quality of assistance piece and connecting rod.
Described quality of assistance piece is the solid of a symmetry.
One one face down bonding in described two end caps is connected to earrings.
Adopt grease lubrication between described spherical bearing piece and the end cap.
Beneficial effect
Owing to adopted above-mentioned technological scheme; The present invention compared with prior art; Have following advantage and good effect: the present invention is installed in the end of up-coiler hollow thin-wall internal rotor; Vibration in the time of can reducing cantilever type hollow thin-wall rotor rotation through main body mechanism of the present invention and supporting mechanism cooperation, good damping result makes the quality of up-coiler generation silk thread better.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the work schematic representation of the present invention on wrapping head;
Fig. 3 is the structural representation of quality of assistance piece among the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiments only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Mode of execution of the present invention relates to a kind of tuning mass bumper that is used for cantilever type hollow thin-wall rotor, and is as shown in Figure 1, comprises main body mechanism and supporting mechanism, and described main body mechanism comprises quality of assistance piece 5, connecting rod 6 and two spherical bearing pieces 8; Described supporting mechanism comprises two end caps 1, hollow cylinder 2, abutment sleeve 3 and ball-joint axle 4.Described quality of assistance piece 5 is a conjunction with connecting rod 6, and described quality of assistance piece 5 is positioned at the middle part of connecting rod 6, the middle part interference fit of described quality of assistance piece 4 and connecting rod 6; Described connecting rod 6 two ends respectively are provided with a described spherical bearing piece 8, and this spherical bearing piece 8 is fixed on the two ends of described connecting rod 6 through axle sleeve 7 and axle head latch 9; Described two spherical bearing pieces 8 are embedded in the relative separately described end cap 1; Described two end caps 1 are sealed in described main body mechanism in the described hollow cylinder 2; Described abutment sleeve 3 lock rings are on described hollow cylinder 2; Described ball bearing 4 is installed in the outside of described hollow cylinder 2; The inner ring of ball bearing 4 is fixedly connected with hollow cylinder 2, and the outer ring is connected with thin-walled rotor 14 internal fixation, thereby makes hollow cylinder 2 be supported on the inboard of hollow thin-wall rotor 14, and the center of ball bearing 4 just in time is the center of gravity of vibration damper.As shown in Figure 2; One one face down bonding in described two end caps 1 is connected to earrings 15; During use; Motor 10 rotates thin-walled rotor 14 through driving wrapping head main shaft 13, and frame 11 and spring bearing 12 support wrapping head main shafts 13, only need utilize this moment seizing wire 16 to connect the earrings 15 of welding on the end cap 1 and the rotation that fixed end 17 can prevent hollow cylinder 2 respectively.
As shown in Figure 3, described quality of assistance piece 5 is positioned at the neutral position of connecting rod 6, is the solid of a symmetry, and it only exerts an influence to the quality of vibration damper, changes the quality of the size of quality of assistance piece 5 with regard to the can regulate vibration damper.Described connecting rod 6 is geometrical constructioies of circular cross section, big L/D ratio, and promptly the length of connecting rod 6 is far longer than the diameter of connecting rod 6.So connecting rod 6 mainly provides the rigidity of vibration damper, change the material of connecting rod 6 or the rigidity that geometrical construction can change vibration damper.Adopt grease lubrication between described spherical bearing piece and the end cap, change the damping that spherical bearing and the situation that contacts of end cap inside can change vibration damper.Vibration when the present invention can reduce cantilever type hollow thin-wall rotor rotation, this apparatus structure is simple, good damping result.
The concrete assembly method of the tuning mass bumper of cantilever type hollow thin-wall rotor of the present invention is:
1. quality of assistance piece 5 is cemented in the center of connecting rod 6, the interior outside of the right ends of connecting rod 6 is loaded onto the shaft shoulder 7, spherical bearing piece 8 and axle head latch 9 respectively;
2. ball bearing 4 is enclosed within on the hollow cylinder 2, and ball bearing 4 left sides put abutment sleeve 3 again, and with hollow cylinder 2 interference fit, the inner ring of ball bearing 4 contacts with hollow cylinder 2, and the outer ring is connected with thin-walled rotor 14 inside.
With two end cap 1 outside seals in 2 li of hollow cylinders, the inside of end cap 1 cooperates spherical bearing piece 8, the end cap welding earrings 15 on right side utilizes seizing wire 16 to connect earrings 15 and fixed ends 17;
Apparatus of the present invention are installed on the end of up-coiler hollow thin-wall internal rotor, the vibration in the time of can reducing cantilever type hollow thin-wall rotor rotation, and good damping result, when up-coiler speed improved, the quality that generates silk thread was better.
Claims (6)
1. a tuning mass bumper that is used for cantilever type hollow thin-wall rotor comprises main body mechanism and supporting mechanism, it is characterized in that, described main body mechanism comprises quality of assistance piece (5), connecting rod (6) and two spherical bearing pieces (8); Described supporting mechanism comprises two end caps (1), hollow cylinder (2), abutment sleeve (3) and ball bearing (4); The middle part interference fit of described quality of assistance piece (5) and connecting rod (6), described quality of assistance piece (5) is positioned at the middle part of connecting rod (6); Described connecting rod (6) two ends respectively are provided with a described spherical bearing piece (8); Described two spherical bearing pieces (8) are embedded in the relative separately described end cap (1); Described two end caps (1) are sealed in described main body mechanism in the described hollow cylinder (2); Described abutment sleeve (3) lock ring is on described hollow cylinder (2); Described ball bearing (4) is installed in the outside at described hollow cylinder (2) center; Described hollow cylinder (2) is supported on the inboard of hollow thin-wall rotor (14) through described ball bearing (4).
2. the tuning mass bumper that is used for cantilever type hollow thin-wall rotor according to claim 1 is characterized in that, described spherical bearing piece (8) is fixed on the two ends of described connecting rod (6) through axle sleeve (7) and axle head latch (9).
3. the tuning mass bumper that is used for cantilever type hollow thin-wall rotor according to claim 1 is characterized in that, the cross section of described connecting rod (6) is circular, and length is much larger than diameter.
4. the tuning mass bumper that is used for cantilever type hollow thin-wall rotor according to claim 1 is characterized in that, described quality of assistance piece (5) is the solid of a symmetry.
5. the tuning mass bumper that is used for cantilever type hollow thin-wall rotor according to claim 1 is characterized in that, one one face down bonding in described two end caps (1) is connected to earrings (15).
6. the tuning mass bumper that is used for cantilever type hollow thin-wall rotor according to claim 1 is characterized in that, adopts grease lubrication between described spherical bearing piece (8) and the end cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101075285A CN102182789B (en) | 2011-04-27 | 2011-04-27 | Tuned mass damper for cantilever-type hollow thin-wall rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101075285A CN102182789B (en) | 2011-04-27 | 2011-04-27 | Tuned mass damper for cantilever-type hollow thin-wall rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102182789A CN102182789A (en) | 2011-09-14 |
| CN102182789B true CN102182789B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101075285A Expired - Fee Related CN102182789B (en) | 2011-04-27 | 2011-04-27 | Tuned mass damper for cantilever-type hollow thin-wall rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102182789B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997217A (en) * | 2020-08-24 | 2020-11-27 | 南京丹枫机械科技有限公司 | Lever type frequency modulation mass damper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020980A (en) * | 1961-03-13 | 1962-02-13 | Sperry Rand Corp | Mechanical damping apparatus for a pendent member |
| US6358153B1 (en) * | 1999-03-16 | 2002-03-19 | Mannesmann Sachs Ag | Vibration damping device |
| EP1146249B1 (en) * | 1998-11-23 | 2003-05-21 | Talleres Iruna, S.A. | Damping system for corrugated cardboard fabrication rollers |
| CN2830783Y (en) * | 2005-09-30 | 2006-10-25 | 湖北三环离合器有限公司 | Double-quality flywheel suitable for pulling clutch |
| CN202048137U (en) * | 2011-04-27 | 2011-11-23 | 东华大学 | Tuning quality vibration damper for cantilever type hollow rotor with thin wall |
-
2011
- 2011-04-27 CN CN2011101075285A patent/CN102182789B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3020980A (en) * | 1961-03-13 | 1962-02-13 | Sperry Rand Corp | Mechanical damping apparatus for a pendent member |
| EP1146249B1 (en) * | 1998-11-23 | 2003-05-21 | Talleres Iruna, S.A. | Damping system for corrugated cardboard fabrication rollers |
| US6358153B1 (en) * | 1999-03-16 | 2002-03-19 | Mannesmann Sachs Ag | Vibration damping device |
| CN2830783Y (en) * | 2005-09-30 | 2006-10-25 | 湖北三环离合器有限公司 | Double-quality flywheel suitable for pulling clutch |
| CN202048137U (en) * | 2011-04-27 | 2011-11-23 | 东华大学 | Tuning quality vibration damper for cantilever type hollow rotor with thin wall |
Non-Patent Citations (1)
| Title |
|---|
| 马晓建等.卷绕机振动特性测试与分析.《机械工程师》.2010,(第9期),37-39. * |
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| Publication number | Publication date |
|---|---|
| CN102182789A (en) | 2011-09-14 |
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