CN104329411A - Dynamic-static pressure damping supporting vibration attenuation system - Google Patents
Dynamic-static pressure damping supporting vibration attenuation system Download PDFInfo
- Publication number
- CN104329411A CN104329411A CN201410594824.6A CN201410594824A CN104329411A CN 104329411 A CN104329411 A CN 104329411A CN 201410594824 A CN201410594824 A CN 201410594824A CN 104329411 A CN104329411 A CN 104329411A
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- Prior art keywords
- static pressure
- internal layer
- layer
- active
- dynamic
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- 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.)
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Classifications
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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
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/163—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material fluid acting as a lubricant
Abstract
The invention relates to a dynamic-static pressure damping supporting vibration attenuation system. The vibration attenuation system comprises an inner-layer bearing shell, an inner-layer tile block, an inner surface texture of the tile block, an outer-layer dynamic-static pressure tile body, an oil supply system and a dynamic-static pressure oil pressure control system, wherein the inner-layer tile block is fixedly arranged on the inner-layer bearing shell, and the inner surface of the inner-layer tile block is processed into the inner surface texture of the tile block; an inner-layer dynamic pressure lubricating oil film is formed between the inner-layer tile block and a rotating main shaft neck, and an outer-layer dynamic-static pressure lubricating oil film is formed between the inner-layer bearing shell and the outer-layer dynamic-static pressure tile body; lubricating oil is supplied to the inner-layer tile block and the outer-layer dynamic-static pressure tile body by the oil supply system, the dynamic-static pressure damping vibration attenuation is realized under the combined effect of the inner-layer dynamic pressure lubricating oil film and the outer-layer dynamic-static pressure oil film; the oil inlet pressure change of the oil supply system is controlled by the dynamic-static pressure oil pressure control system, so as to adjust the position of the inner-layer bearing shell in the outer-layer dynamic-static pressure tile body, so that the purposes of automatically controlling vibration of a rotating main shaft and performing the dynamic-static pressure damping supporting vibration attenuation are achieved.
Description
Technical field
The present invention relates to a kind of active and static pressure Damper Braces vibration insulating system.
Background technique
A large amount of rotating equipments, as centrifugal pump, centrifugal blower, steam turbine etc., its dynamic performance directly has influence on the vibration & noise of unit.Due to the existence of rotor unbalance value and the impact of extrinsic motivated, the situation occurring that vibration and noise is excessive is easy to when rotating machinery is in high rotation speed operation, the vibration of axle system also can be delivered on bearing support by bearing, then passes to basis through bearing support frame, produces vibration & noise.The supporting part of rotating machine sets is the key link of vibration transfer path, and oil film half whirling motion frequently and oil whip are again the predominant non-linearity factors causing shafting vibration.
Summary of the invention
For the defect that prior art exists, the object of this invention is to provide a kind of active and static pressure Damper Braces vibration insulating system, utilize the compostie damp of hydrodynamic lubrication oil film and the formation of active and static pressure oil film to realize vibration damping.
For achieving the above object, the technical solution used in the present invention is:
A kind of active and static pressure Damper Braces vibration insulating system, comprises internal layer bearing shell housing, internal layer tile fragment, tile fragment internal surface texture, outer active and static pressure watt body, oil supply system and active and static pressure oil pressure control system; Described internal layer tile fragment is fixed on internal layer bearing shell housing, processes tile fragment internal surface texture at the internal surface of described internal layer tile fragment; Between internal layer tile fragment and rotary main shaft axle journal, form internal layer hydrodynamic lubrication oil film, between internal layer bearing shell housing and outer active and static pressure watt body, form outer active and static pressure oil film; Described oil supply system provides lubricant oil to internal layer tile fragment and an outer active and static pressure watt body; Internal layer hydrodynamic lubrication oil film and the acting in conjunction of outer active and static pressure oil film realize active and static pressure damping vibration attenuation; Active and static pressure oil pressure control system controls the input pressure change of oil supply system adjust the position of internal layer bearing shell housing outside in layer active and static pressure watt body, and then reaches that ACTIVE CONTROL rotary main shaft vibrates, active and static pressure Damper Braces vibration damping object.
Compared with prior art, the present invention has following outstanding substantive distinguishing features and significant advantage:
The present invention utilizes Surface Texture technology and compound oil film active and static pressure coupling technique, namely the Surface Texture of internal layer bearing shell surface Machining, internal layer hydrodynamic lubrication oil film and the acting in conjunction of outer active and static pressure oil film realize active and static pressure damping vibration attenuation, reach the frequency changing the whirling motion of axle system and critical speed of rotation, the object reducing amplitude, improve axle system stability margin, suppress large disturbances impact shock.
Accompanying drawing explanation
Fig. 1 is active and static pressure Damper Braces vibration insulating system structural representation.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, a kind of active and static pressure Damper Braces vibration insulating system, comprises internal layer bearing shell housing 1, internal layer tile fragment 2, tile fragment internal surface texture 3, outer active and static pressure watt body 4, oil supply system and active and static pressure oil pressure control system; Described internal layer tile fragment 2 is fixed on internal layer bearing shell housing 1, processes tile fragment internal surface texture 3 at the internal surface of described internal layer tile fragment 2; Between internal layer tile fragment 2 and rotary main shaft axle journal, form internal layer hydrodynamic lubrication oil film, between internal layer bearing shell housing 1 and outer active and static pressure watt body 4, form outer active and static pressure oil film; Described oil supply system provides lubricant oil to internal layer tile fragment 2 and outer active and static pressure watt body 4; Internal layer hydrodynamic lubrication oil film and the acting in conjunction of outer active and static pressure oil film realize active and static pressure damping vibration attenuation; Active and static pressure oil pressure control system controls the input pressure change of oil supply system to adjust the position of internal layer bearing shell housing 1 in outer active and static pressure watt body 4, and then reaches the vibration of ACTIVE CONTROL rotary main shaft, active and static pressure Damper Braces vibration damping object.
Claims (1)
1. an active and static pressure Damper Braces vibration insulating system, comprises internal layer bearing shell housing (1), internal layer tile fragment (2), tile fragment internal surface texture (3), outer active and static pressure watt body (4), oil supply system and active and static pressure oil pressure control system; It is characterized in that, described internal layer tile fragment (2) is fixed on internal layer bearing shell housing (1), processes tile fragment internal surface texture (3) at the internal surface of described internal layer tile fragment (2); Between internal layer tile fragment (2) and rotary main shaft axle journal, form internal layer hydrodynamic lubrication oil film, between internal layer bearing shell housing (1) and outer active and static pressure watt body (4), form outer active and static pressure oil film; Described oil supply system provides lubricant oil to internal layer tile fragment (2) and outer active and static pressure watt body (4); Internal layer hydrodynamic lubrication oil film and the acting in conjunction of outer active and static pressure oil film realize active and static pressure damping vibration attenuation; Active and static pressure oil pressure control system controls the input pressure change of oil supply system to adjust the position of internal layer bearing shell housing (1) in outer active and static pressure watt body (4), and then reaches the vibration of ACTIVE CONTROL rotary main shaft, active and static pressure Damper Braces vibration damping object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594824.6A CN104329411A (en) | 2014-10-30 | 2014-10-30 | Dynamic-static pressure damping supporting vibration attenuation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594824.6A CN104329411A (en) | 2014-10-30 | 2014-10-30 | Dynamic-static pressure damping supporting vibration attenuation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104329411A true CN104329411A (en) | 2015-02-04 |
Family
ID=52404187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410594824.6A Pending CN104329411A (en) | 2014-10-30 | 2014-10-30 | Dynamic-static pressure damping supporting vibration attenuation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104329411A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003593A (en) * | 2015-07-17 | 2015-10-28 | 厦门理工学院 | Hybrid bearing supporting shock absorber used for cone shaft |
| CN106826545A (en) * | 2017-01-25 | 2017-06-13 | 宋志勇 | For the grinding head device of dynamic and static pressure shafting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116501A (en) * | 1976-07-22 | 1978-09-26 | Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Cooling installation for the reduction of the oil temperature of oil-lubricated damping bearings |
| CN1485550A (en) * | 2002-09-26 | 2004-03-31 | 摩根油膜轴承（上海）有限公司 | Internal damping film lubrication bearing with integeral shaft sleeve |
| JP2012102759A (en) * | 2010-11-08 | 2012-05-31 | A & D Co Ltd | Power transmission shaft |
| CN103343775A (en) * | 2013-07-08 | 2013-10-09 | 上海大学 | Gas bearing integrated by dynamic pressure and static pressure |
| CN103846459A (en) * | 2014-02-25 | 2014-06-11 | 上海大学 | Electric main shaft supported by hydrostatic integrated gas bearing |
-
2014
- 2014-10-30 CN CN201410594824.6A patent/CN104329411A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116501A (en) * | 1976-07-22 | 1978-09-26 | Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Cooling installation for the reduction of the oil temperature of oil-lubricated damping bearings |
| CN1485550A (en) * | 2002-09-26 | 2004-03-31 | 摩根油膜轴承（上海）有限公司 | Internal damping film lubrication bearing with integeral shaft sleeve |
| JP2012102759A (en) * | 2010-11-08 | 2012-05-31 | A & D Co Ltd | Power transmission shaft |
| CN103343775A (en) * | 2013-07-08 | 2013-10-09 | 上海大学 | Gas bearing integrated by dynamic pressure and static pressure |
| CN103846459A (en) * | 2014-02-25 | 2014-06-11 | 上海大学 | Electric main shaft supported by hydrostatic integrated gas bearing |
Non-Patent Citations (1)
| Title |
|---|
| 郭红: "内外膜独立供油径推联合浮环轴承性能分析与实验研究", 《中国博士学位论文全文数据库（工程科技Ⅱ辑）》, no. 1, 15 January 2012 (2012-01-15) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003593A (en) * | 2015-07-17 | 2015-10-28 | 厦门理工学院 | Hybrid bearing supporting shock absorber used for cone shaft |
| CN106826545A (en) * | 2017-01-25 | 2017-06-13 | 宋志勇 | For the grinding head device of dynamic and static pressure shafting |
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Application publication date: 20150204 |