CN102767568A - Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table - Google Patents
Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table Download PDFInfo
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- CN102767568A CN102767568A CN2012102201519A CN201210220151A CN102767568A CN 102767568 A CN102767568 A CN 102767568A CN 2012102201519 A CN2012102201519 A CN 2012102201519A CN 201210220151 A CN201210220151 A CN 201210220151A CN 102767568 A CN102767568 A CN 102767568A
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- static pressure
- lubricating pad
- slide unit
- pressure lubricating
- bearing capacity
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Abstract
The invention discloses a large-bearing capacity compound static pressure oil film sliding table for a centrifugal machine vibrating table, which comprises an upper sliding table, a lower sliding table and displacement sensors, wherein a guide rail soft strip is arranged between the upper and lower sliding tables, a first, a second, a third and a fourth static pressure oil pad are arranged between the lower sliding table and a guide rail soft strip support, a static pressure oil cavity of each static pressure oil pad is connected with a throttler by an oil inlet pipe, the displacement sensors consist of a first, a second, a third and a fourth displacement sensor, and a signal output end of each displacement sensor is connected with a signal input end of a computer by an electric sliding ring. The high-bearing capacity compound static pressure oil film sliding table formed by combining static pressure bearing and the guide rail soft strip is large in bearing area and strong in unit area bearing capacity, and mutual rubbing among sliding surfaces can not be caused even if the situations of accidently reducing the pressure of supply oil occur.
Description
Technical field
The present invention relates to a kind of compound static pressure oil film slide unit, particularly relate to a kind of centrifuge vibrating table with the compound static pressure oil film of large bearing capacity slide unit.
Background technique
The centrifuge vibrating table is the basic equipment of dynamic centrifugal model test; Owing to will in the high gravity field of high speed rotating speed, work; Vibrating table must overcome the effect of gravity field, and vibration table surface should be guaranteed the huge loading of support model case in high CENTRIFUGAL ACCELERATING FIELD and be indeformable.
Ground vibration platform slide unit is general at present adopts a plurality of hydrostatic bearing supportings, or adopts the hydrostatic slideway supporting, can obtain good vibration control characteristic.Yet hydrostatic bearing or hydrostatic slideway that ground vibration platform slide unit adopts can not directly apply on the centrifuge vibrating table slide unit; Subject matter is that bearing capacity is not enough; Under centrifugal action, slide unit will bear weigh tens tons the load of every square meter, and bearing capacity can cause hydrostatic support to lose efficacy inadequately; Even the slide unit fitting surface that frays, cause the vibrating table can't proper functioning.Centrifuge vibrating table slide unit can't adopt with ground vibration platform slide unit equal static pressure bearing and support; Adopt a plurality of hydrostatic bearings to carry jointly because ground vibration platform slide unit is general; And the bearing capacity of existing each hydrostatic bearing is less at present, at centrifugal action lower bearing cylinder and circular shaft off-centre will take place, and is prone to cause bearing failure; The centrifuge vibrating table is owing to receiving the restriction of bulk, even if be covered with the bearing capacity that this hydrostatic bearing still can't reach needs.Common hydrostatic slideway also can't reach the high bearing capacity requirement that needs, and under big loading, can cause the slip surface contact, and hydrostatic support lost efficacy.
Summary of the invention
The objective of the invention is to provide a kind of manufacturing process is simple, loaded area big and the unit area bearing capacity is strong centrifuge vibrating table with the compound static pressure oil film of large bearing capacity slide unit in order to address the above problem.
The present invention realizes through following technological scheme:
A kind of centrifuge vibrating table is with the compound static pressure oil film of large bearing capacity slide unit; Comprise slide unit, following slide unit, a plurality of displacement transducer and a plurality of static pressure lubricating pad; Be provided with guide-soft-band between said slide unit down and the last slide unit; Said static pressure lubricating pad is arranged between said slide unit down and the said guide-soft-band; Be provided with the static pressure oil pocket in each said static pressure lubricating pad, the static pressure oil pocket of each said static pressure lubricating pad connects with different flow controllers respectively through oil inlet pipe, and said displacement transducer is installed on the said slide unit down; The signal output part of each said displacement transducer is connected with the signal input part of computer, and the control signal output terminal of said computer is connected respectively with the control signal input end of said flow controller.
The centrifuge vibrating table adopts large size static pressure lubricating pad to carry; High pressure oil offers slide unit through hydraulic rotary joint from ground, gets into each static pressure oil pocket through flow controller, adjusts four flow controllers and promptly can adjust evenly floating of slide unit face; Utilize guide-soft-band to combine with the static pressure lubricating pad; At first the interference fit face does not need the accurate scraping operation that adopts usually on the manufacturing process, has saved processing charges and cycle greatly, can guarantee good in the flour milling sealability simultaneously; Set up higher static pressure oil pocket pressure easily, thereby effectively bearing capacity is strong.Also the levitation height sensor signal that detects slide unit with the corresponding displacement transducer of different static pressure lubricating pads is installed simultaneously at following slide unit; And testing signal is sent to Computer Processing; Computer compares the back through the levitation height with slide unit levitation height of measuring and appointment and sends control signal to flow controller, can adjust evenly floating of slide unit face through regulating flow controller.
As further improvement of the present invention be; Said static pressure lubricating pad comprises the first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad, and the area of the said first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad equates and the center of following slide unit is symmetrical set.Adopt quantity few and static pressure lubricating pad that area is big carries, compare to adopt a plurality of small size lubricating pads to carry, have advantages such as oil circuit is simple, the effective bearing capacity of unit is strong, Field adjustment is simple.
Be that said displacement transducer comprises respectively first displacement transducer, second displacement transducer, triple motion sensor and the 4th displacement transducer that the levitation height to the first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad detects as further improvement of the present invention.
As of the present invention preferred, the said first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad are the Rectangular Hydrostatic lubricating pad.
As of the present invention preferred, said first displacement transducer, second displacement transducer, triple motion sensor and the 4th displacement transducer lay respectively at down on four drift angles of slide unit.
As of the present invention preferred, said guide-soft-band is the soft band of plastic guide rail.In order to prevent that the unexpected slide unit that reduces of charge oil pressure from fraying to the flour milling contact each other, adopted the soft band of plastic guide rail between last slide unit and following slide unit.The soft band of this plastic guide rail has very high rigidity, and simultaneously friction factor is little, has reduced the scraped finish amount of last slide unit face, downslide table top greatly, the static pressure lubricating pad is sealed easily and sets up higher oil pocket pressure, thereby guaranteed that the slide unit bearing capacity is big.
The invention has the beneficial effects as follows:
Adopt the levitation height of displacement transducer detection static pressure slide unit and testing signal is sent to central processing unit (CPU), computer compares the back through the levitation height with slide unit levitation height of measuring and appointment and sends control signal to flow controller, can adjust evenly floating of slide unit face through regulating flow controller; In addition; Adopt hydrostatic support to combine to form the compound static pressure oil film of high-bearing capacity slide unit with guide-soft-band, compare traditional hydrostatic support design, it is big that this slide unit has loaded area; The unit area bearing capacity is strong; Even if situation such as the unexpected reduction of charge oil pressure occur, fraying each other between slip surface can not appear yet, and the simple advantage of manufacturing process.
Description of drawings
Fig. 1 is that centrifuge vibrating table of the present invention removes the plan view of slide unit down with the compound static pressure oil film of large bearing capacity slide unit;
Fig. 2 is the sectional view of centrifuge vibrating table of the present invention with the compound static pressure oil film of large bearing capacity slide unit.
Among the figure: the last slide unit of 1-, slide unit under the 2-, 3-guide-soft-band, 4-flow controller; The 5-first static pressure lubricating pad, the 6-second static pressure lubricating pad, 7-the 3rd static pressure lubricating pad, 8-the 4th static pressure lubricating pad; 9-first displacement transducer, 10-second displacement transducer, 11-triple motion sensor, 12-the 4th displacement transducer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further detailed description:
As depicted in figs. 1 and 2; Centrifuge vibrating table of the present invention is with the compound static pressure oil film of large bearing capacity slide unit; Comprise slide unit 1, following slide unit 2, a plurality of displacement transducer and a plurality of static pressure lubricating pad; Be provided with guide-soft-band 3 between said slide unit 2 down and the last slide unit 1, said static pressure lubricating pad is arranged between said slide unit 2 down and the said guide-soft-band 3, is provided with the static pressure oil pocket in each said static pressure lubricating pad; The static pressure oil pocket of each said static pressure lubricating pad connects with different flow controllers respectively through oil inlet pipe; Said displacement transducer is installed on the said slide unit down, and the signal output part of each said displacement transducer is connected with the signal input part of computer, and the control signal output terminal of said computer is connected respectively with the control signal input end of said flow controller 4.
The centrifuge vibrating table adopts large size static pressure lubricating pad to carry; High pressure oil offers slide unit through hydraulic rotary joint from ground, gets into each static pressure oil pocket through flow controller 4, adjusts four flow controllers 4 and promptly can adjust evenly floating of slide unit face; Utilize guide-soft-band 3 to combine with the static pressure lubricating pad; At first make the interference fit face not need the accurate scraping operation that usually adopts, saved processing charges and cycle greatly, can guarantee good simultaneously the flour milling sealability from manufacturing process; Set up higher static pressure oil pocket pressure easily, thereby effectively bearing capacity is enhanced.Also the levitation height sensor signal that detects slide unit with the corresponding displacement transducer of different static pressure lubricating pads is installed simultaneously at following slide unit 2; And testing signal is sent to Computer Processing; Computer compares the back through the levitation height with slide unit levitation height of measuring and appointment and sends control signal to flow controller 4, promptly can adjust evenly floating of slide unit face through regulating flow controller 4.
In the present embodiment; Said static pressure lubricating pad comprises the first static pressure lubricating pad 5, the second static pressure lubricating pad 6, the 3rd static pressure lubricating pad 7 and the 4th static pressure lubricating pad 8, and the area of the said first static pressure lubricating pad 5, the second static pressure lubricating pad 6, the 3rd static pressure lubricating pad 7 and the 4th static pressure lubricating pad 8 equates and the center of following slide unit 2 is symmetrical set.First displacement transducer 9 that the levitation height to the first static pressure lubricating pad 5, the second static pressure lubricating pad 6, the 3rd static pressure lubricating pad 7 and the 4th static pressure lubricating pad 8 that comprises said displacement transducer respectively detects, second displacement transducer 10, triple motion sensor 11 and the 4th displacement transducer 12.Adopt quantity few and static pressure lubricating pad that area is big carries, compare the static pressure lubricating pad that adopts a plurality of small sizes to carry, have advantages such as oil circuit is simple, the effective bearing capacity of unit is strong, Field adjustment is simple.
In the present embodiment, the said first static pressure lubricating pad 5, the second static pressure lubricating pad 6, the 3rd static pressure lubricating pad 7 and the 4th static pressure lubricating pad 8 are the Rectangular Hydrostatic lubricating pad.Said first displacement transducer 9, second displacement transducer 10, triple motion sensor 11 and the 4th displacement transducer 12 lay respectively at down on four drift angles of slide unit 2.
As preferably, said guide-soft-band 3 is the soft band of plastic guide rail.In order to prevent the unexpected slide unit that reduces of charge oil pressure to the flour milling contact and fray each other, adopted between last slide unit 1 and following slide unit 2 that plastic guide rail is soft is with 4.This plastic guide rail is soft to have very high rigidity with 4, and friction factor is little simultaneously, has reduced the scraped finish amount of upper and lower slide unit face greatly, seals and set up higher oil pocket pressure easily, thereby has guaranteed that last slide unit 1 is big with the bearing capacity of following slide unit 2.
Claims (7)
1. a centrifuge vibrating table is with the compound static pressure oil film of large bearing capacity slide unit; Comprise slide unit and following slide unit; It is characterized in that: also comprise a plurality of displacement transducers and a plurality of static pressure lubricating pad; Be provided with guide-soft-band between said slide unit down and the last slide unit, said static pressure lubricating pad is arranged between said slide unit down and the said guide-soft-band, is provided with the static pressure oil pocket in each said static pressure lubricating pad; The static pressure oil pocket of each said static pressure lubricating pad connects with different flow controllers respectively through oil inlet pipe; Said displacement transducer is installed on the said slide unit down, and the signal output part of each said displacement transducer is connected with the signal input part of computer, and the control signal output terminal of said computer is connected respectively with the control signal input end of said flow controller.
2. centrifuge vibrating table according to claim 1 is with the compound static pressure oil film of large bearing capacity slide unit; It is characterized in that: said static pressure lubricating pad comprises the first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad, and the area of the said first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad equates and the center of following slide unit is symmetrical set.
3. centrifuge vibrating table according to claim 1 is characterized in that with the compound static pressure oil film of large bearing capacity slide unit: said displacement transducer comprises respectively first displacement transducer, second displacement transducer, triple motion sensor and the 4th displacement transducer that the levitation height to the first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad detects.
4. centrifuge vibrating table according to claim 2 is characterized in that with the compound static pressure oil film of large bearing capacity slide unit: the said first static pressure lubricating pad, the second static pressure lubricating pad, the 3rd static pressure lubricating pad and the 4th static pressure lubricating pad are the Rectangular Hydrostatic lubricating pad.
5. centrifuge vibrating table according to claim 3 is characterized in that with the compound static pressure oil film of large bearing capacity slide unit: said first displacement transducer, second displacement transducer, triple motion sensor and the 4th displacement transducer lay respectively at down on four drift angles of slide unit.
6. centrifuge vibrating table according to claim 1 is characterized in that with the compound static pressure oil film of large bearing capacity slide unit: said guide-soft-band is the soft band of plastic guide rail.
According to claim 1 or 3 described centrifuge vibrating tables with the compound static pressure oil film of large bearing capacity slide unit, it is characterized in that: the signal output part of each said displacement transducer is connected with the signal input part of computer through electric slip ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102201519A CN102767568A (en) | 2012-06-29 | 2012-06-29 | Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table |
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| CN2012102201519A CN102767568A (en) | 2012-06-29 | 2012-06-29 | Large-bearing capacity compound static pressure oil film sliding table for centrifugal machine vibrating table |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502210A (en) * | 2014-12-30 | 2015-04-08 | 天津福云天翼科技有限公司 | Centrifuge shaking table |
| CN106545575A (en) * | 2016-12-07 | 2017-03-29 | 北京工业大学 | A kind of heavy wool pore size distribution formula static pressure circle lubricating pad |
| CN107132018A (en) * | 2017-07-12 | 2017-09-05 | 北京强度环境研究所 | A kind of static pressure for vibration experiment carries guider |
| CN113311710A (en) * | 2021-05-27 | 2021-08-27 | 东华大学 | Method and system for predicting and controlling working performance of vertical static pressure sliding table with variable oil film thickness |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080212907A1 (en) * | 2007-03-02 | 2008-09-04 | Takafumi Asada | Hydrodynamic bearing, and hydrodynamic bearing-type rotary device and recording and reproducing apparatus equipped with same |
| CN201293704Y (en) * | 2008-11-17 | 2009-08-19 | 苏州试验仪器总厂 | Combined oil film static pressure bearing type horizontal sliding table |
| CN201338195Y (en) * | 2008-12-30 | 2009-11-04 | 天津市第二机床有限公司 | Composite hydrostatic guideway workbench |
| CN201540194U (en) * | 2009-11-20 | 2010-08-04 | 苏州东菱振动试验仪器有限公司 | oil film composite guide rail |
| CN202158960U (en) * | 2011-07-10 | 2012-03-07 | 太原科技大学 | Rolling mill oil film bearing integrated testing stand |
| CN202732698U (en) * | 2012-06-29 | 2013-02-13 | 中国工程物理研究院总体工程研究所 | Composite static pressure oil film slipway with large bearing capacity for centrifuge vibration table |
-
2012
- 2012-06-29 CN CN2012102201519A patent/CN102767568A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080212907A1 (en) * | 2007-03-02 | 2008-09-04 | Takafumi Asada | Hydrodynamic bearing, and hydrodynamic bearing-type rotary device and recording and reproducing apparatus equipped with same |
| CN201293704Y (en) * | 2008-11-17 | 2009-08-19 | 苏州试验仪器总厂 | Combined oil film static pressure bearing type horizontal sliding table |
| CN201338195Y (en) * | 2008-12-30 | 2009-11-04 | 天津市第二机床有限公司 | Composite hydrostatic guideway workbench |
| CN201540194U (en) * | 2009-11-20 | 2010-08-04 | 苏州东菱振动试验仪器有限公司 | oil film composite guide rail |
| CN202158960U (en) * | 2011-07-10 | 2012-03-07 | 太原科技大学 | Rolling mill oil film bearing integrated testing stand |
| CN202732698U (en) * | 2012-06-29 | 2013-02-13 | 中国工程物理研究院总体工程研究所 | Composite static pressure oil film slipway with large bearing capacity for centrifuge vibration table |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502210A (en) * | 2014-12-30 | 2015-04-08 | 天津福云天翼科技有限公司 | Centrifuge shaking table |
| CN106545575A (en) * | 2016-12-07 | 2017-03-29 | 北京工业大学 | A kind of heavy wool pore size distribution formula static pressure circle lubricating pad |
| CN107132018A (en) * | 2017-07-12 | 2017-09-05 | 北京强度环境研究所 | A kind of static pressure for vibration experiment carries guider |
| CN107132018B (en) * | 2017-07-12 | 2023-08-29 | 北京强度环境研究所 | Static pressure bearing guide device for vibration test system |
| CN113311710A (en) * | 2021-05-27 | 2021-08-27 | 东华大学 | Method and system for predicting and controlling working performance of vertical static pressure sliding table with variable oil film thickness |
| CN113311710B (en) * | 2021-05-27 | 2022-08-02 | 东华大学 | Method and system for predicting and controlling working performance of vertical static pressure sliding table with variable oil film thickness |
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Application publication date: 20121107 |