CN103033325A - Moving part guiding device for vibration table - Google Patents
Moving part guiding device for vibration table Download PDFInfo
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- CN103033325A CN103033325A CN2011102941218A CN201110294121A CN103033325A CN 103033325 A CN103033325 A CN 103033325A CN 2011102941218 A CN2011102941218 A CN 2011102941218A CN 201110294121 A CN201110294121 A CN 201110294121A CN 103033325 A CN103033325 A CN 103033325A
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- hydrostatic bearing
- inlet pipe
- oil inlet
- flowline
- iron core
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Abstract
The invention relates to a vibration test device, and particularly discloses a moving part guiding device for a vibration table. The device comprises an upper guiding shaft, a lower guiding shaft, an upper hydrostatic bearing and a lower hydrostatic bearing, wherein the upper guiding shaft is arranged on the upper portion of a movable coil, the lower guiding shaft is mounted at the bottom of the movable coil, the upper hydrostatic bearing is installed at the top of an iron core, and the lower hydrostatic bearing is positioned at the bottom of the iron core. The upper hydrostatic bearing is sleeved outside the upper guiding shaft, and the lower hydrostatic bearing is sleeved outside the lower guiding shaft. According to the moving part guiding device for the vibration table, the anti-overturning moment capacity can be improved, eccentric large test-piece vibration test requirements are met, influences produced by large installation space of common bearing guiding devices on vibration table magnetic fields are avoided, and a good vibration table movable coil guiding function is achieved.
Description
Technical field
The invention belongs to a kind of vibration rig, be specifically related to a kind of shaking table moving component guide piece for electric vibration table.
Background technology
Electric vibration table is the vibration generating arrangement according to the electromagnetic induction principle design, shaking table is as a kind of vibration rig, it and power amplifier, controller support the use can finish sine, at random, the fail-test such as impact, thereby the Vibration Condition of the true environment for use of analog equipment.
The electric vibration table stage body mainly is comprised of several parts such as guide piece, cooling system about field coil, moving-coil, magnet, support bearing device, the moving-coil.Test specimen is installed on the moving-coil table top and carries out vibration test in the process of the test, and the vibration processes moving-coil moves along the vertical table-board direction, and moving-coil up and down guide piece be to keep jigging platform moving coil along the vertical table-board direction necessary device that moves.Guide piece generally adopts roller or bearing (such as linear bearing, self-oiling bearing etc.) as the moving-coil guide piece under the jigging platform moving coil at present.Because the side force that ball linear bearing and roller can bear is very little, traditional moving-coil guide piece resistance to capsizing is less, and inevitable wearing and tearing cause guiding accuracy lower to the axis of guide in its high-frequency work in addition.The increasing the fail-test requirement along with product design diversity and various product, increasing eccentric large test specimen carries out vibration test, it is more and more general not overlap phenomenon (being also referred to as the eccentric phenomena of test specimen) such as the center of gravity of the vibration test specimen of aircraft, guided missile, steamer, submarine, automobile etc. and geometric center, and jigging platform moving coil guide piece guiding accuracy, resistance to capsizing are proposed higher requirement.And common roller type and bearing-type moving-coil guide piece can not satisfy the testing requirements of shaking table eccentric load, if improve the guidance capability of bottom guide frame, just need to enlarge the installing space of bottom guide frame, at this moment will produce certain impact to the magnetic signature of shaking table, work long hours rear ball bearing or nylon bearing and the axis of guide of simultaneity factor has certain wearing and tearing, the Caused Vibration waveform distortion, meeting affect the result of vibration test in the serious situation.
Summary of the invention
The object of the present invention is to provide a kind of shaking table moving component guide piece, this device can improve shaking table antidumping moment ability, satisfy eccentric large test specimen vibration test demand, and solve the impact that plain bearing guide piece installing space produces shaking table magnetic field greatly, realize good jigging platform moving coil guide function.
Realize the technical scheme of the object of the invention: a kind of shaking table moving component guide piece, it comprises the upper axis of guide, the lower axis of guide that is installed in the moving-coil bottom, the upper hydrostatic bearing that is installed in the iron core top that is installed in moving-coil top, the lower hydrostatic bearing that is installed in the iron core bottom, upper axis of guide overcoat has upper hydrostatic bearing, and lower axis of guide overcoat has lower hydrostatic bearing.
The central axis of the center of described upper hydrostatic bearing, the center of lower hydrostatic bearing, the center of moving-coil, the upper axis of guide, the central axes of the lower axis of guide.
Be provided with the hydrostatic bearing oil inlet pipe in one side of described upper hydrostatic bearing, be provided with the hydrostatic bearing flowline in the opposite side of upper hydrostatic bearing.
Be provided with lower hydrostatic bearing oil inlet pipe in one side of described lower hydrostatic bearing, be provided with lower hydrostatic bearing flowline in the opposite side of lower hydrostatic bearing.
Described lower hydrostatic bearing oil inlet pipe is connected with upper hydrostatic bearing oil inlet pipe, and lower hydrostatic bearing flowline is connected with upper hydrostatic bearing flowline; The oil return opening of hydrostatic bearing flowline and upper hydrostatic bearing flowline stretches out from the iron core bottom, and the oil-feed port of lower hydrostatic bearing oil inlet pipe and upper hydrostatic bearing oil inlet pipe stretches out from the iron core bottom.
Described lower hydrostatic bearing oil inlet pipe is in parallel with upper hydrostatic bearing oil inlet pipe, and lower hydrostatic bearing flowline is in parallel with upper hydrostatic bearing flowline; Upper hydrostatic bearing oil inlet pipe and lower hydrostatic bearing oil inlet pipe all are communicated with oil inlet pipe; Lower hydrostatic bearing flowline all is communicated with scavenge pipe with upper hydrostatic bearing flowline; The oil-feed port of oil inlet pipe, the oil return opening of scavenge pipe stretch out from the iron core two sides respectively.
The invention has the beneficial effects as follows: this device is satisfying under the shaking table magnetic field requirement prerequisite, accurately locate at realization shaking table moving component center, improve the lateral rigidity of shaking table kinematic system, increase the ability of shaking table antidumping moment, make shaking table system have good performance parameter.In this guide piece, adopt hydrostatic bearing to replace common roller or bearing as guide piece under the moving-coil, in to the exigent situation of shaking table antidumping moment, increase a hydrostatic bearing on moving-coil top, namely adopt the guide piece of two hydrostatic bearing guiding.Adopt hydrostatic bearing particularly two up and down hydrostatic bearings as the moving-coil guide piece, can utilize less installing space to realize larger antidumping moment ability, reduce the impact that it produces the shaking table magnetic signature, long-play hydrostatic bearing and the axis of guide can the Caused Vibration waveform distortions without wearing and tearing.This guide piece improves jigging platform moving coil guidance system antidumping moment ability greatly in the situation that does not affect shaking table magnetic field, and installation, maintenance, debugging are all more convenient.
Description of drawings
Fig. 1 is the mounting structure synoptic diagram of first embodiment in moving-coil of a kind of shaking table moving component guide piece provided by the present invention.
Fig. 2 is the mounting structure synoptic diagram of second embodiment in moving-coil of a kind of shaking table moving component guide piece provided by the present invention;
Fig. 3 is the mounting structure synoptic diagram of the 3rd embodiment in moving-coil of a kind of shaking table moving component guide piece provided by the present invention.
Among the figure: 1, upper hydrostatic bearing, 2, the upper axis of guide, 3, moving-coil, 4, gib screw, 5, lower hydrostatic bearing, 6, iron core, 7, the lower axis of guide, 8, lower hydrostatic bearing flowline, 9, lower hydrostatic bearing oil inlet pipe, 10. go up the hydrostatic bearing flowline, 11, upper hydrostatic bearing oil inlet pipe, 12. iron cores are reserved counterbore, and 13. moving-coils are reserved counterbore, 14, tubing sub.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As shown in Figure 1, a kind of shaking table moving component guide piece comprises hydrostatic bearing 1, the upper axis of guide 2, lower hydrostatic bearing 5, the lower axis of guide 7, lower hydrostatic bearing flowline 8, lower hydrostatic bearing oil inlet pipe 9, upper hydrostatic bearing flowline 10, upper hydrostatic bearing oil inlet pipe 11, tubing sub 14.
As shown in Figure 1, upper hydrostatic bearing 1 iron core 6 tops of packing into, upper hydrostatic bearing 1 bottom contacts with iron core 6 upper surfaces and is fixed in iron core 6 tops by screw 4.Lower hydrostatic bearing 5 is packed in the reservation counterbore 12 of iron core 6 bottoms of shaking table stage body, reservation counterbore 12 end contacts of lower hydrostatic bearing 5 upper surfaces and iron core 6, and lower hydrostatic bearing 5 is fixed on the iron core 6 by screw 4.
As shown in Figure 1, upper hydrostatic bearing flowline 10, upper hydrostatic bearing oil inlet pipe 11 are connected with upper hydrostatic bearing 1 by tubing sub 14 respectively.Lower hydrostatic bearing flowline 8, lower hydrostatic bearing oil inlet pipe 9 are connected with lower hydrostatic bearing 5 by tubing sub 14 respectively.
As shown in Figure 1, lower hydrostatic bearing flowline 8 is connected by tubing sub 14 with upper hydrostatic bearing flowline 10, and lower hydrostatic bearing oil inlet pipe 9 is connected by tubing sub 14 with upper hydrostatic bearing oil inlet pipe 11.At this moment, the oil return opening of lower hydrostatic bearing flowline 8 and upper hydrostatic bearing flowline 10 stretches out from iron core 6 bottoms, and the oil-feed port of lower hydrostatic bearing oil inlet pipe 9 and upper hydrostatic bearing oil inlet pipe 11 also stretches out from iron core 6 bottoms.
As shown in Figure 2, the flowline of upper and lower hydrostatic bearing and oil inlet pipe also can be distinguished in parallel, namely descend hydrostatic bearing flowline 8 in parallel with upper hydrostatic bearing flowline 10, lower hydrostatic bearing oil inlet pipe 9 is in parallel with upper hydrostatic bearing oil inlet pipe 11, and hydrostatic bearing oil inlet pipe 11 and lower hydrostatic bearing oil inlet pipe 9 carry out fuel feeding by oil inlet pipe 16 simultaneously on this moment; Lower hydrostatic bearing flowline 8 and upper hydrostatic bearing flowline 10 are simultaneously by scavenge pipe 15 oil returns.At this moment, the oil return opening of the oil-feed port of oil inlet pipe 16, scavenge pipe 15 stretches out from iron core 6 two sides respectively.
In addition, as shown in Figure 3, lower hydrostatic bearing flowline 8, lower hydrostatic bearing oil inlet pipe 9, upper hydrostatic bearing flowline 10, upper hydrostatic bearing oil inlet pipe 11 also can connect respectively oil sources; At this moment, do not have direct connection relational between lower hydrostatic bearing flowline 8 and the upper hydrostatic bearing flowline 10, there is not direct connection relational in lower hydrostatic bearing oil inlet pipe 9 with upper hydrostatic bearing oil inlet pipe 11 yet.At this moment, the oil-feed port of the oil return opening of lower hydrostatic bearing flowline 8, lower hydrostatic bearing oil inlet pipe 9 all stretches out from iron core 6 bottoms; The oil-feed port of the oil return opening of upper hydrostatic bearing flowline 10, upper hydrostatic bearing oil inlet pipe 11 stretches out from iron core 6 two sides respectively.
The upper axis of guide 2 is reserved in the counterbore 13 by the moving-coil that screw 4 is fixed on moving-coil 3 tops, and the lower axis of guide 7 is fixed on the bottom centre of moving-coil 3 by screw 4.
The central axes of upper hydrostatic bearing 1 center, lower hydrostatic bearing 5 centers, moving-coil 3 centers, the upper axis of guide 2, the lower axis of guide 7 during installation.
Moving-coil 3 and the upper axis of guide 2, the lower axis of guide 7 move together during work, upper hydrostatic bearing 1, lower hydrostatic bearing 5 and iron core 6 maintain static, bear side force by the high pressure oil film between the upper axis of guide 2 and the upper hydrostatic bearing 1, between the lower axis of guide 7 and the lower hydrostatic bearing 5, realization is to the accurate guiding of moving-coil 3, and raising antidumping moment ability.
The above has done detailed description to the present invention in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skills possess, can also make various variations under the prerequisite that does not break away from aim of the present invention.The content that is not described in detail in the instructions of the present invention all can adopt prior art, all can adopt any product of the prior art such as moving-coil 3, iron core 6 etc.
Claims (6)
1. shaking table moving component guide piece, it is characterized in that: it comprises the upper axis of guide (2), the lower axis of guide (7) that is installed in moving-coil (3) bottom, the upper hydrostatic bearing (1) that is installed in iron core (6) top that is installed in moving-coil (3) top, the lower hydrostatic bearing (5) that is installed in iron core (6) bottom, the upper axis of guide (2) overcoat has upper hydrostatic bearing (1), and the lower axis of guide (7) overcoat has lower hydrostatic bearing (5).
2. a kind of shaking table moving component guide piece shown in according to claim 1 is characterized in that: the central axes of the center of the center of described upper hydrostatic bearing (1), lower hydrostatic bearing (5), the center of moving-coil (3), the central axis of the upper axis of guide (2), the lower axis of guide (7).
3. a kind of shaking table moving component guide piece shown in according to claim 2, it is characterized in that: be provided with hydrostatic bearing oil inlet pipe (11) in the side of described upper hydrostatic bearing (1), be provided with hydrostatic bearing flowline (10) in the opposite side of upper hydrostatic bearing (1).
4. a kind of shaking table moving component guide piece shown in according to claim 3, it is characterized in that: be provided with lower hydrostatic bearing oil inlet pipe (9) in the side of described lower hydrostatic bearing (5), be provided with lower hydrostatic bearing flowline (8) in the opposite side of lower hydrostatic bearing (5).
5. a kind of shaking table moving component guide piece shown in according to claim 4, it is characterized in that: described lower hydrostatic bearing oil inlet pipe (9) is connected with upper hydrostatic bearing oil inlet pipe (11), and lower hydrostatic bearing flowline (8) is connected with upper hydrostatic bearing flowline (10); The oil return opening of hydrostatic bearing flowline (8) and upper hydrostatic bearing flowline (10) stretches out from iron core (6) bottom, and the oil-feed port of lower hydrostatic bearing oil inlet pipe (9) and upper hydrostatic bearing oil inlet pipe (11) stretches out from iron core (6) bottom.
6. a kind of shaking table moving component guide piece shown in according to claim 4, it is characterized in that: described lower hydrostatic bearing oil inlet pipe (9) is in parallel with upper hydrostatic bearing oil inlet pipe (11), and lower hydrostatic bearing flowline (8) is in parallel with upper hydrostatic bearing flowline (10); Upper hydrostatic bearing oil inlet pipe (11) and lower hydrostatic bearing oil inlet pipe (9) all are communicated with oil inlet pipe (16); Lower hydrostatic bearing flowline (8) all is communicated with scavenge pipe (15) with upper hydrostatic bearing flowline (10); The oil return opening of the oil-feed port of oil inlet pipe (16), scavenge pipe (15) stretches out from iron core (6) two sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102941218A CN103033325A (en) | 2011-09-29 | 2011-09-29 | Moving part guiding device for vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102941218A CN103033325A (en) | 2011-09-29 | 2011-09-29 | Moving part guiding device for vibration table |
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| CN103033325A true CN103033325A (en) | 2013-04-10 |
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| CN2011102941218A Pending CN103033325A (en) | 2011-09-29 | 2011-09-29 | Moving part guiding device for vibration table |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308266A (en) * | 2013-06-26 | 2013-09-18 | 苏州苏试试验仪器股份有限公司 | Lower guide and supporting device of electric vibration table |
| CN107228747A (en) * | 2017-05-08 | 2017-10-03 | 北京卫星环境工程研究所 | Large vibration table anchorage moment detection device |
| CN107449579A (en) * | 2017-08-03 | 2017-12-08 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
| CN107941444A (en) * | 2018-01-10 | 2018-04-20 | 北京航天希尔测试技术有限公司 | A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload |
| CN108760212A (en) * | 2018-08-01 | 2018-11-06 | 燕山大学 | A kind of two degrees of freedom servo vibration table |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227716A (en) * | 1997-02-12 | 1998-08-25 | Akashi:Kk | Supporting device for perpendicular vibrating table |
| JP2001099747A (en) * | 1999-09-29 | 2001-04-13 | Mitsubishi Heavy Ind Ltd | Cross talk reducing device for vibration table |
| CN2821785Y (en) * | 2005-09-14 | 2006-09-27 | 苏州东菱振动试验仪器有限公司 | New bottom guide mechanism of electric vibrating table |
| CN1900660A (en) * | 2006-07-19 | 2007-01-24 | 中国航空工业第一集团公司北京长城计量测试技术研究所 | Electric angular vibration table |
| CN201004007Y (en) * | 2006-12-31 | 2008-01-09 | 苏州试验仪器总厂 | Load and guiding integrated component for vertical vibration table |
| CN101424584A (en) * | 2008-11-17 | 2009-05-06 | 苏州试验仪器总厂 | Combination oil film static pressure bearing type horizontal sliding table |
| CN101487765A (en) * | 2009-02-13 | 2009-07-22 | 苏州苏试试验仪器有限公司 | Three-axial vibration composite testing apparatus |
| CN201697771U (en) * | 2010-06-22 | 2011-01-05 | 苏州东菱振动试验仪器有限公司 | Lower guiding mechanism of moving coil |
-
2011
- 2011-09-29 CN CN2011102941218A patent/CN103033325A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227716A (en) * | 1997-02-12 | 1998-08-25 | Akashi:Kk | Supporting device for perpendicular vibrating table |
| JP2001099747A (en) * | 1999-09-29 | 2001-04-13 | Mitsubishi Heavy Ind Ltd | Cross talk reducing device for vibration table |
| CN2821785Y (en) * | 2005-09-14 | 2006-09-27 | 苏州东菱振动试验仪器有限公司 | New bottom guide mechanism of electric vibrating table |
| CN1900660A (en) * | 2006-07-19 | 2007-01-24 | 中国航空工业第一集团公司北京长城计量测试技术研究所 | Electric angular vibration table |
| CN201004007Y (en) * | 2006-12-31 | 2008-01-09 | 苏州试验仪器总厂 | Load and guiding integrated component for vertical vibration table |
| CN101424584A (en) * | 2008-11-17 | 2009-05-06 | 苏州试验仪器总厂 | Combination oil film static pressure bearing type horizontal sliding table |
| CN101487765A (en) * | 2009-02-13 | 2009-07-22 | 苏州苏试试验仪器有限公司 | Three-axial vibration composite testing apparatus |
| CN201697771U (en) * | 2010-06-22 | 2011-01-05 | 苏州东菱振动试验仪器有限公司 | Lower guiding mechanism of moving coil |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308266A (en) * | 2013-06-26 | 2013-09-18 | 苏州苏试试验仪器股份有限公司 | Lower guide and supporting device of electric vibration table |
| CN103308266B (en) * | 2013-06-26 | 2016-02-24 | 苏州苏试试验仪器股份有限公司 | Guiding support device under a kind of electric vibration table |
| CN107228747A (en) * | 2017-05-08 | 2017-10-03 | 北京卫星环境工程研究所 | Large vibration table anchorage moment detection device |
| CN107228747B (en) * | 2017-05-08 | 2019-08-06 | 北京卫星环境工程研究所 | Large vibration table anchorage moment detection device |
| CN107449579A (en) * | 2017-08-03 | 2017-12-08 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
| CN107449579B (en) * | 2017-08-03 | 2019-11-05 | 天津航天瑞莱科技有限公司 | A kind of big displacement electric vibration table |
| CN107941444A (en) * | 2018-01-10 | 2018-04-20 | 北京航天希尔测试技术有限公司 | A kind of medium-and-large-sized Water-cooling vibration pilot system of anti high overload |
| CN107941444B (en) * | 2018-01-10 | 2024-02-23 | 北京航天希尔测试技术有限公司 | High overload resistant medium-and-large-sized water-cooling vibration test system |
| CN108760212A (en) * | 2018-08-01 | 2018-11-06 | 燕山大学 | A kind of two degrees of freedom servo vibration table |
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Application publication date: 20130410 |