CN102935848A - Synchronous main generator vibration attenuation structure for internal combustion locomotive - Google Patents
Synchronous main generator vibration attenuation structure for internal combustion locomotive Download PDFInfo
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- CN102935848A CN102935848A CN2012104226347A CN201210422634A CN102935848A CN 102935848 A CN102935848 A CN 102935848A CN 2012104226347 A CN2012104226347 A CN 2012104226347A CN 201210422634 A CN201210422634 A CN 201210422634A CN 102935848 A CN102935848 A CN 102935848A
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- main alternator
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Abstract
The invention discloses a synchronous main generator vibration attenuation structure for an internal combustion locomotive. The synchronous main generator vibration attenuation structure comprises a synchronous main generator and a diesel engine, wherein the diesel engine is arranged on a bottom plate of a locomotive body; one end of the synchronous main generator is fixed at the output end of the diesel engine, and the other end of the synchronous main generator is suspended; and hydraulic vibration attenuation devices are symmetrically arranged on the two sides of the synchronous main generator. By virtue of the vibration attenuation resistance property of the hydraulic vibration attenuation devices, the synchronous main generator vibration attenuation structure can be used for alleviating vertical and transverse high-frequency and low-frequency vibration of the synchronous main generator so as to alleviate the vibration of the locomotive, eliminating untimely fatigue of structure intensity of mechanical parts including the synchronous main generator, the diesel engine, the locomotive body and the like, prolonging the service life of the locomotive, and improving the comfort of trainmen.
Description
Technical field
The present invention relates to a kind of vibration-proof structure, particularly relate to a kind of vibration-proof structure of diesel locomotive synchronous main alternator.
Background technology
At present, diesel locomotive synchronous main alternator one end is fixed on the diesel engine mouth, and the other end is unsettled.Because there is unbalanced weight in rotor, rotor during synchronous main alternator work can produce vibration, and the quality of synchronous main alternator rotor large (about 2000kg), so vibratory force is difficult for elimination.Simultaneously also can produce vibration when diesel engine is worked, this vibration is passed on the rotor by coupler, causes the synchronous main alternator vibration to strengthen, even causes whole locomotive vibration.Traditional way is to adopt the rubber plinth assembling synchronous main alternator with rubber damper to carry out vibration damping at present.
Diesel locomotive newly make, overhaul and in repair when diesel powerplant is installed, elder generation's mounting diesel engine is with four bearings of rubber damper, adjust again the rubber plinth assembling of synchronous main alternator, must just recline and not by compression, ball rod section and the synchronous main alternator seat hole of rubber plinth assembling radially must be gapped along whole circumference, and the gap is not less than 2mm.The seat of as prescribed welding diesel engine is mended the lower bolster, lower of the rubber plinth assembling of plate, back-up ring and synchronous main alternator.The assembling of the rubber plinth of synchronous main alternator is comprised of lower bolster, lower, buffering supporting, the seat of honour, bulb and adjustment backing plate etc.
Employing is carried out the following shortcoming of vibration damping existence with the rubber plinth of rubber damper:
1. must just recline because of the assembling of the rubber plinth of synchronous main alternator and not by compression, when synchronous main alternator vibrate, the vertical vibration masterpiece was used in rubber buffer and supports, and can cushion vertical vibration, can not reduce vertical vibration.And the synchronous main alternator quality is large, when the synchronous main alternator vertical vibration, causes easily the vibration of locomotive whole-vehicle.
2. ball rod section and the synchronous main alternator seat hole of rubber plinth assembling radially must gappedly be not less than 2mm along whole circumference, can not cushion lateral vibration.Unless the amplitude of lateral vibration is during greater than 2mm, the rubber buffer supporting can cushion lateral vibration, but can not reduce lateral vibration.And when the synchronous main alternator lateral vibration, also cause easily rocking of locomotive whole-vehicle.
Summary of the invention
Purpose of the present invention just provides a kind of combustion engine synchronous main alternator vibration-proof structure, utilize hydraulic damper vibration damping drag characteristic absorbing vibrational energy, transform the fluid dissipation of heat, thereby reduce the vibration of synchronous main alternator, and not only reduce lateral vibration, also can reduce vertical vibration, overcome above-mentioned the deficiencies in the prior art part.
Purpose of the present invention realizes by following technical proposals:
A kind of diesel locomotive synchronous main alternator vibration-proof structure, comprise synchronous main alternator and the diesel engine that is installed on the hull bottom plate, one end of synchronous main alternator is fixed on the diesel engine mouth, and the other end is unsettled, and described synchronous main alternator bilateral symmetry arranges hydraulic damper.
As preferably, correspondence arranges mount pad on synchronous main alternator sidewall and the hull bottom plate, vertical hydraulic damper vertically is installed between synchronous main alternator and the hull bottom plate by mount pad, and the transverse hydraulic shock absorber is installed between synchronous main alternator and the hull bottom plate by the mount pad level.
Further, the hydraulic actuating cylinder external diameter of described vertical hydraulic damper and transverse hydraulic shock absorber is φ 30mm～φ 200mm.
Further, described vertical hydraulic damper and transverse hydraulic shock absorber have more than two covers, spacing distance 50mm～1000mm between the adjacent two vertical hydraulic dampers of cover and the transverse hydraulic shock absorber.
As preferably, correspondence arranges mount pad on synchronous main alternator sidewall and the hull bottom plate, and the tilting hydraulic damper tilts to be installed between synchronous main alternator and the hull bottom plate by mount pad.
Further, the hydraulic actuating cylinder external diameter of described tilting hydraulic damper is φ 30mm～φ 200mm.
Further, described tilting hydraulic damper has more than two pairs, spacing distance 50mm～1000mm between adjacent two tilting hydraulic dampers.
During hydraulic damper work, piston is crank motion in oil cylinder, produce the vibration damping resistance through dash pot valve when fluid flows in piston cylinder, hydraulic damper absorbs the vibrational energy of synchronous main alternator simultaneously, and the vibrational energy of synchronous main alternator is converted into the heat energy of fluid and dissipation.
Beneficial effect of the present invention is: simple in structure, reasonable in design, utilize the vibration damping drag characteristic of hydraulic damper, can reduce the vertical and horizontal high and low frequency vibration of synchronous main alternator, and then reduction locomotive vibration, eliminate the structural strength premature fatigue of the mechanicss such as synchronous main alternator, diesel engine and car body, and increase the service life, improve the traveling comfort of bus attendant.
Description of drawings
Fig. 1 is the construction profile scheme drawing of the embodiment of the invention one;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the partial enlarged drawing at A place among Fig. 2;
Fig. 4 is the construction profile scheme drawing of the embodiment of the invention two;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the partial enlarged drawing at B place among Fig. 5.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
Embodiment one
Such as Fig. 1, Fig. 2 and shown in Figure 3, a kind of diesel locomotive synchronous main alternator vibration-proof structure, comprise synchronous main alternator 5 and the diesel engine 4 that is installed on the hull bottom plate 3, one end of synchronous main alternator 5 is fixed on diesel engine 4 mouths, the other end is unsettled, correspondence arranges mount pad 1 on described synchronous main alternator 5 sidewalls and the hull bottom plate 3, vertical hydraulic damper 2 vertically is installed between synchronous main alternator 5 and the hull bottom plate 3 by mount pad 1, and transverse hydraulic shock absorber 6 is installed between synchronous main alternator 5 and the hull bottom plate 3 by mount pad 1 level.Shown in vertical hydraulic damper 2 and transverse hydraulic shock absorber 6 respectively install two in synchronous main alternator 5 both sides, between two vertical hydraulic dampers 2 and the spacing distance between two transverse hydraulic shock absorbers 6 be 50mm～1000mm.
Vertical hydraulic damper 2 and transverse hydraulic shock absorber 6 can adopt bolt, bearing pin connection seat, have stronger rigidity, and long service life is convenient to detachable maintaining.
The hydraulic actuating cylinder external diameter of described vertical hydraulic damper 2 and transverse hydraulic shock absorber 6 is φ 30mm～φ 200mm.
Vertical hydraulic damper 2 has the Vertical Vibration Reduction drag characteristic, and transverse hydraulic shock absorber 6 has the lateral vibration absorbing drag characteristic, can reduce the vertical and lateral vibration of synchronous main alternator 5.Its vertical damping coefficient is 5kNs/m-400kNs/m, and laterally damping coefficient is 5kNs/m-400kNs/m, and damping system can be by the dash pot valve adjustment in the hydraulic damper simultaneously.
Synchronous main alternator 5 adopts traditional rubber plinth assembling vibration damping, can only cushion vertical vibration.And the vertical hydraulic damper 2 of use present embodiment and the vibrational energy that transverse hydraulic shock absorber 6 can absorb synchronous main alternator 5, reduce synchronous main alternator 5 vibrations, vertical hydraulic damper 2 reduces the vertical vibration of synchronous main alternator 5, and transverse hydraulic shock absorber 6 reduces the lateral vibration of synchronous main alternator 5.
Embodiment two
Such as Fig. 4, Fig. 5 and shown in Figure 6, the difference of present embodiment and embodiment one is, correspondence arranges 2 pairs of mount pads 1 on synchronous main alternator 5 sidewalls and the hull bottom plate 3, and tilting hydraulic damper 7 tilts to be installed between synchronous main alternator 5 and the hull bottom plate 3 by mount pad 1.Spacing distance 50mm～1000mm between adjacent two tilting hydraulic dampers 7.
The hydraulic actuating cylinder external diameter of described tilting hydraulic damper 7 is φ 30mm～φ 200mm.
Synchronous main alternator 5 adopts traditional rubber plinth assembling vibration damping, can only cushion vertical vibration.And the tilting hydraulic damper 7 that uses present embodiment can absorb the vibrational energy of synchronous main alternator 5, both can reduce the vertical vibration of synchronous main alternator 5, can reduce again the lateral vibration of synchronous main alternator 5.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. diesel locomotive synchronous main alternator vibration-proof structure, comprise synchronous main alternator and the diesel engine that is installed on the hull bottom plate, one end of synchronous main alternator is fixed on the diesel engine mouth, and the other end is unsettled, it is characterized in that: described synchronous main alternator bilateral symmetry arranges hydraulic damper.
2. diesel locomotive synchronous main alternator vibration-proof structure according to claim 1, it is characterized in that: correspondence arranges mount pad on synchronous main alternator sidewall and the hull bottom plate, vertical hydraulic damper vertically is installed between synchronous main alternator and the hull bottom plate by mount pad, and the transverse hydraulic shock absorber is installed between synchronous main alternator and the hull bottom plate by the mount pad level.
3. diesel locomotive synchronous main alternator vibration-proof structure according to claim 2, it is characterized in that: the hydraulic actuating cylinder external diameter of described vertical hydraulic damper and transverse hydraulic shock absorber is φ 30mm～φ 200mm.
4. according to claim 2 or 3 described diesel locomotive synchronous main alternator vibration-proof structures, it is characterized in that: described vertical hydraulic damper and transverse hydraulic shock absorber have more than two covers, spacing distance 50mm～1000mm between the adjacent two vertical hydraulic dampers of cover and the transverse hydraulic shock absorber.
5. diesel locomotive synchronous main alternator vibration-proof structure according to claim 1, it is characterized in that: correspondence arranges mount pad on synchronous main alternator sidewall and the hull bottom plate, and the tilting hydraulic damper tilts to be installed between synchronous main alternator and the hull bottom plate by mount pad.
6. diesel locomotive synchronous main alternator vibration-proof structure according to claim 5, it is characterized in that: the hydraulic actuating cylinder external diameter of described tilting hydraulic damper is φ 30mm～φ 200mm.
7. according to claim 5 or 6 described diesel locomotive synchronous main alternator vibration-proof structures, it is characterized in that: described tilting hydraulic damper has more than two pairs, spacing distance 50mm～1000mm between adjacent two tilting hydraulic dampers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422634.7A CN102935848B (en) | 2012-10-30 | 2012-10-30 | Diesel locomotive synchronous main alternator vibration-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210422634.7A CN102935848B (en) | 2012-10-30 | 2012-10-30 | Diesel locomotive synchronous main alternator vibration-proof structure |
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| Publication Number | Publication Date |
|---|---|
| CN102935848A true CN102935848A (en) | 2013-02-20 |
| CN102935848B CN102935848B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210422634.7A Active CN102935848B (en) | 2012-10-30 | 2012-10-30 | Diesel locomotive synchronous main alternator vibration-proof structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915281A (en) * | 2021-09-02 | 2022-01-11 | 季华实验室 | Vibration isolation device and vibration isolation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2070621A (en) * | 1931-10-03 | 1937-02-16 | Rolland S Trott | Engine mounting |
| DE3413818A1 (en) * | 1984-04-12 | 1985-10-17 | Fichtel & Sachs Ag, 8720 Schweinfurt | Device for the damping of vibrations generated by motor vehicle internal combustion engines |
| DE102006017122A1 (en) * | 2006-04-05 | 2007-10-11 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Vehicle's system for assemblies of bearings regarding a motor vehicle's units like an engine has bearing elements with one bearing element controlled by a physical drive/power train model |
| CN201474778U (en) * | 2009-06-24 | 2010-05-19 | 哈尔滨东安发动机（集团）有限公司 | Container type combustion turbine generator group |
| CN102678295A (en) * | 2011-03-10 | 2012-09-19 | 湖南华强电气有限公司 | Electric generator unit of air conditioner for automobile |
-
2012
- 2012-10-30 CN CN201210422634.7A patent/CN102935848B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2070621A (en) * | 1931-10-03 | 1937-02-16 | Rolland S Trott | Engine mounting |
| DE3413818A1 (en) * | 1984-04-12 | 1985-10-17 | Fichtel & Sachs Ag, 8720 Schweinfurt | Device for the damping of vibrations generated by motor vehicle internal combustion engines |
| DE102006017122A1 (en) * | 2006-04-05 | 2007-10-11 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Vehicle's system for assemblies of bearings regarding a motor vehicle's units like an engine has bearing elements with one bearing element controlled by a physical drive/power train model |
| CN201474778U (en) * | 2009-06-24 | 2010-05-19 | 哈尔滨东安发动机（集团）有限公司 | Container type combustion turbine generator group |
| CN102678295A (en) * | 2011-03-10 | 2012-09-19 | 湖南华强电气有限公司 | Electric generator unit of air conditioner for automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915281A (en) * | 2021-09-02 | 2022-01-11 | 季华实验室 | Vibration isolation device and vibration isolation system |
| CN113915281B (en) * | 2021-09-02 | 2023-02-28 | 季华实验室 | Vibration isolation device and vibration isolation system |
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| Publication number | Publication date |
|---|---|
| CN102935848B (en) | 2016-05-11 |
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