CN105738055A - Distributed horizontal support system - Google Patents
Distributed horizontal support system Download PDFInfo
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- CN105738055A CN105738055A CN201410746245.9A CN201410746245A CN105738055A CN 105738055 A CN105738055 A CN 105738055A CN 201410746245 A CN201410746245 A CN 201410746245A CN 105738055 A CN105738055 A CN 105738055A
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Abstract
The invention belongs to the vibration test technical field, and more specifically relates to a distributed horizontal support system, aiming to solve the problems of incapability of giving a full play to vibration test equipment thrust and high cost of a lot of vibration tests. The system is characterized by comprising a T-shaped hydrostatic bearing, a distributed horizontal pedestal and a vibration bench assembly. The T-shaped hydrostatic bearing is installed on the distributed horizontal pedestal; a test tool is installed on the T-shaped hydrostatic bearing; the vibration bench assembly is in tight contact with the test tool; the T-shaped hydrostatic bearing guides and limits the test tool; the distributed horizontal pedestal is used for supporting the T-shaped hydrostatic bearing and the test tool; the vibration bench assembly is used for loading vibration on the test tool. Compared with a preset test device, the distributed horizontal support system can meet requirements of the horizontal vibration tests of various products and test levels, and obtain better control effects of horizontal vibration tests of special-shaped test pieces compared with a present measurement and control mode.
Description
Technical field
The invention belongs to vibration test technical field, be specifically related to a kind of distributed horizontal supporting system.
Background technology
Dynamic environmental test is to utilize vibration impact experiment equipment examination product, such as carrier rocket, airborne equipment and rack etc., is likely to the vibration of experience, shock environment in their entire life, it is ensured that product stability during use.What current vibration rig was normally applied when carrying out horizontal vibration test is the pilot system of vibration table, drive rod, fixed horizontal sliding table, test tool and product composition.Along with the development of science and technology, vibration rig is big toward thrust, the development of table top general orientation, but current testing equipment still cannot meet the requirement of all product vibration environment tests.Main problem is embodied in: one is for special-shaped product, for instance superelevation testpieces, slender bodies, suspender etc., how bigger performance vibration rig thrust；Two is that the fixing horizontal slide unit that high thrust vibration table configures carries slide unit and mobile part quality is all relatively big, is difficult to test big magnitude and tests.
Currently for the big product of size generally use be multiple stage and swash test method；Correspondingly-sized is little, big magnitude test adopt be special small horizontal sliding table；Other special-shaped products, realize each through design experiment frock, but controlling test result can not fully meet standard-required.These modes increase test period and cost, and test mass can not fully meet requirement.
Summary of the invention
Present invention aim to address when carrying out dynamic environmental test, the thrust of vibration rig cannot be not fully exerted, and carry out the problem that during big magnitude vibration test, cost is high, provide one and can play vibratory equipment effective push better, disclosure satisfy that the vibration of polytype testpieces, impact test requirement, there is the distributed horizontal supporting system of stronger operability and versatility.
The present invention is achieved in that
A kind of distributed horizontal supporting system, it is characterised in that: it includes T-shaped hydrostatic bearing, distributed horizontal base and vibration table assembly；T-shaped hydrostatic bearing is arranged on distributed horizontal base；Test tool is arranged on T-shaped hydrostatic bearing, and vibration table assembly is in close contact with test tool；Test tool is played guiding and position-limiting action by T-shaped hydrostatic bearing；Distributed horizontal base is for playing a supportive role to T-shaped hydrostatic bearing and test tool；Vibration table assembly is for loading vibration to test tool.
T-shaped hydrostatic bearing as above includes mobile T-shaped piece and mobile T-shaped piece of fixed pedestal；Mobile T-shaped piece of fixed pedestal generally cuboid, inside has inverse-T-shaped groove, and this groove shapes matches with mobile T-shaped piece of profile；T-shaped piece of movement is generally inverse-T-shaped, closely cooperates with the inverse-T-shaped groove within mobile T-shaped piece of fixed pedestal；T-shaped hydrostatic bearing is used for the motion in the longitudinal direction of limit assay frock.
Distributed horizontal base as above includes fixed guide rail, movable guide rails, mobile platform and ball screw；Fixed guide rail has two, and opposing parallel layout fixes on the ground, and its length direction is perpendicular with the length direction of test tool；Movable guide rails has two, opposing parallel layout, is arranged on fixed guide rail upper end, and its length direction is perpendicular with the length direction of fixed guide rail；Mobile platform is rectangle tabular generally, and the length direction along movable guide rails is disposed thereon end；Mobile platform has eight, and wherein four is one group, is separately positioned in two movable guide rails；Ball screw is separately fixed on the upper surface of fixed guide rail and movable guide rails, arranges along fixed guide rail and movable guide rails length direction；Movable guide rails is flexibly connected with fixed guide rail by ball screw, and mobile platform is flexibly connected with movable guide rails by ball screw；Regulated the spacing of two movable guide rails by ball screw, also adjust the spacing between two mobile platforms.
Vibration table assembly as above includes fixed horizontal sliding table, vibration table stage body and drive rod；Vibration table stage body is connected by drive rod and test tool are fixing；Fixed horizontal sliding table is arranged in the opposite side of vibration table stage body.
The invention has the beneficial effects as follows:
The present invention includes T-shaped hydrostatic bearing, distributed horizontal base and vibration table assembly.The present invention is compared with existing assay device, not on the basis of the transformation of existing vibration rig, distributed horizontal supporting system is set up at the relatively current fixed slide unit opposite side of vibration table, according to products characteristics, design experiment frock, vibration rig directly encourages test tool, bigger performance vibration table thrust, meet all kinds product and the horizontal vibration experimental test of test magnitude, and relatively current observing and controlling mode, the native system control better effects if to the horizontal vibration test of abnormity testpieces.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of distributed horizontal supporting system of the present invention；
Fig. 2 is the sectional view of the T-shaped hydrostatic bearing of a kind of distributed horizontal supporting system of the present invention；
Fig. 3 is the front view of the T-shaped hydrostatic bearing of a kind of distributed horizontal supporting system of the present invention and distributed horizontal base；
Fig. 4 is the top view of the T-shaped hydrostatic bearing of a kind of distributed horizontal supporting system of the present invention and distributed horizontal base.
Wherein: 1.T type hydrostatic bearing, 2. distributed horizontal base, 3. mobile platform, 4. fixed horizontal sliding table, 5. vibration table stage body, 6. drive rod, 7. test tool, 8. move T-shaped piece, 9. ball screw, 10. testpieces, 11. move T-shaped piece of fixed pedestal, 12. fixed guide rails, 13. movable guide rails.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
As it is shown in figure 1, a kind of distributed horizontal supporting system, including T-shaped hydrostatic bearing 1, distributed horizontal base 2 and vibration table assembly.T-shaped hydrostatic bearing 1 is arranged on distributed horizontal base 2.Test tool 7 is arranged on T-shaped hydrostatic bearing 1, and vibration table assembly and test tool 7 are in close contact.T-shaped hydrostatic bearing 1 is to test tool 7 guiding and position-limiting action.Distributed horizontal base 2 is for playing a supportive role to T-shaped hydrostatic bearing 1 and test tool 7.Vibration table assembly is for loading vibration to test tool 7.
As in figure 2 it is shown, T-shaped hydrostatic bearing 1 includes mobile T-shaped piece 8 and mobile T-shaped piece of fixed pedestal 11.Mobile T-shaped piece of fixed pedestal 11 generally cuboid, inside has inverse-T-shaped groove, and this groove shapes matches with mobile T-shaped piece of 8 profiles.Movement T-shaped piece 8 is generally inverse-T-shaped, closely cooperates with the inverse-T-shaped groove within mobile T-shaped piece of fixed pedestal 11.T-shaped hydrostatic bearing 1 is for limit assay frock 7 motion in the longitudinal direction.
Shown in as shown in Figure 1, Figure 3 and Figure 4, distributed horizontal base 2 includes fixed guide rail 12, movable guide rails 13, mobile platform 3 and ball screw 9.Fixed guide rail 12 has two, and opposing parallel layout fixes on the ground, and its length direction is perpendicular with the length direction of test tool 7.Movable guide rails 13 has two, opposing parallel layout, is arranged on fixed guide rail 12 upper end, and its length direction is perpendicular with the length direction of fixed guide rail 12.Mobile platform 3 generally rectangle tabular, the length direction along movable guide rails 13 is disposed thereon end.Mobile platform 3 has eight, and wherein four is one group, is separately positioned in two movable guide rails 13.Ball screw 9 is separately fixed on the upper surface of fixed guide rail 12 and movable guide rails 13, arranges along fixed guide rail 12 and movable guide rails 13 length direction.Movable guide rails 13 is flexibly connected with fixed guide rail 12 by ball screw 9, and mobile platform 3 is flexibly connected with movable guide rails 13 by ball screw 9.Regulated the spacing of two movable guide rails 13 by ball screw 9, also adjust the spacing between two mobile platforms 3.Described ball screw 9 is existing apparatus, is commercially available.
As it is shown in figure 1, vibration table assembly includes fixed horizontal sliding table 4, vibration table stage body 5 and drive rod 6.Vibration table stage body 5 is connected by drive rod 6 is fixing with test tool 7.Fixed horizontal sliding table 4 fixes on the ground, is arranged in the opposite side of vibration table stage body 5.Vibration table stage body 5 and drive rod 6 all adopt existing apparatus, are commercially available.
After on-test, testpieces 10 is fixed on test tool 7, requires to regulate ball screw 9 according to the loading of the characteristic of testpieces 10 and vibration test, to regulate the distance between movable guide rails 13 and between mobile platform 3.Vibration on Start-up platform stage body 5, makes described test specimen 11 be synchronized with the movement along the vibration table direction of motion with test tool 7, test tool 7 along the vibration table direction of motion relative to the freely-movable of T-shaped hydrostatic bearing 1.
If the shape and structure of testpieces 10 is not suitable for adopting distributed horizontal base 2 to be supported, then test tool 7 is fixed on the upper end of fixed horizontal sliding table 4, testpieces 10 is fixed on the upper end of test tool 7, vibration table stage body 5 is revolved turnback, vibration table stage body 5 is fixed with test tool 7 be connected, Vibration on Start-up platform stage body 5, loads vibration.
The present invention includes T-shaped hydrostatic bearing 1, distributed horizontal base 2 and vibration table assembly.The present invention is compared with existing assay device, not on the basis of the transformation of existing vibration rig, distributed horizontal supporting system is set up at the relatively current fixed slide unit opposite side of vibration table, according to products characteristics, design experiment frock, vibration rig directly encourages test tool, bigger performance vibration table thrust, meet all kinds product and the horizontal vibration experimental test of test magnitude, and relatively current observing and controlling mode, the native system control better effects if to the horizontal vibration test of abnormity testpieces.
Claims (4)
1. a distributed horizontal supporting system, it is characterised in that: it includes T-shaped hydrostatic bearing (1), distributed horizontal base (2) and vibration table assembly；T-shaped hydrostatic bearing (1) is arranged on distributed horizontal base (2)；Test tool (7) is arranged on T-shaped hydrostatic bearing (1), and vibration table assembly is in close contact with test tool (7)；Test tool (7) is played guiding and position-limiting action by T-shaped hydrostatic bearing (1)；Distributed horizontal base (2) is for playing a supportive role to T-shaped hydrostatic bearing (1) and test tool (7)；Vibration table assembly is for loading vibration to test tool (7).
2. distributed horizontal supporting system according to claim 1, it is characterised in that: described T-shaped hydrostatic bearing (1) includes mobile T-shaped piece (8) and mobile T-shaped piece of fixed pedestal (11)；Mobile T-shaped piece of fixed pedestal (11) generally cuboid, inside has inverse-T-shaped groove, and this groove shapes matches with mobile T-shaped piece of (8) profile；Mobile T-shaped piece (8) are generally inverse-T-shaped, and the inverse-T-shaped groove internal with mobile T-shaped piece of fixed pedestal (11) closely cooperates；T-shaped hydrostatic bearing (1) is for limit assay frock (7) motion in the longitudinal direction.
3. distributed horizontal supporting system according to claim 1, it is characterised in that: described distributed horizontal base (2) includes fixed guide rail (12), movable guide rails (13), mobile platform (3) and ball screw (9)；Fixed guide rail (12) has two, and opposing parallel layout fixes on the ground, and its length direction is perpendicular with the length direction of test tool (7)；Movable guide rails (13) has two, opposing parallel layout, is arranged on fixed guide rail (12) upper end, and its length direction is perpendicular with the length direction of fixed guide rail (12)；Mobile platform (3) generally rectangle tabular, the length direction along movable guide rails (13) is disposed thereon end；Mobile platform (3) has eight, and wherein four is one group, is separately positioned on two movable guide rails (13)；Ball screw (9) is separately fixed on the upper surface of fixed guide rail (12) and movable guide rails (13), arranges along fixed guide rail (12) and movable guide rails (13) length direction；Movable guide rails (13) is flexibly connected with fixed guide rail (12) by ball screw (9), and mobile platform (3) is flexibly connected with movable guide rails (13) by ball screw (9)；Regulated the spacing of two movable guide rails (13) by ball screw (9), also adjust the spacing between two mobile platforms (3).
4. distributed horizontal supporting system according to claim 1, it is characterised in that: described vibration table assembly includes fixed horizontal sliding table (4), vibration table stage body (5) and drive rod (6)；Vibration table stage body (5) is connected by drive rod (6) and test tool (7) are fixing；Fixed horizontal sliding table (4) is arranged in the opposite side of vibration table stage body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410746245.9A CN105738055B (en) | 2014-12-08 | 2014-12-08 | distributed horizontal supporting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410746245.9A CN105738055B (en) | 2014-12-08 | 2014-12-08 | distributed horizontal supporting system |
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| CN105738055A true CN105738055A (en) | 2016-07-06 |
| CN105738055B CN105738055B (en) | 2018-06-26 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289695A (en) * | 2016-09-20 | 2017-01-04 | 天津航天瑞莱科技有限公司 | Horizontal supporting system for the test of large-scale antenna system vibration |
| CN106323573A (en) * | 2016-07-28 | 2017-01-11 | 中国电子科技集团公司第三十八研究所 | Large vibration test assembly |
| CN113252353A (en) * | 2021-04-06 | 2021-08-13 | 浙江蓝箭航天空间科技有限公司 | Horizontal test method for electromechanical servo mechanism of carrier rocket and computer storage medium |
| CN113959662A (en) * | 2021-09-22 | 2022-01-21 | 天津航天瑞莱科技有限公司 | Vibration test device for launching separation of aircraft |
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| CN101551292A (en) * | 2009-02-27 | 2009-10-07 | 苏州长菱测试技术有限公司 | Horizontal vibration testing system for super-long test piece and method thereof |
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2014
- 2014-12-08 CN CN201410746245.9A patent/CN105738055B/en active Active
Patent Citations (5)
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| JP2007212172A (en) * | 2006-02-07 | 2007-08-23 | Kayaba System Machinery Kk | Static-pressure supply structure of vibrating table |
| CN201193976Y (en) * | 2008-05-07 | 2009-02-11 | 苏州试验仪器总厂 | Anti-overturn apparatus for horizontal sliding 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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106323573A (en) * | 2016-07-28 | 2017-01-11 | 中国电子科技集团公司第三十八研究所 | Large vibration test assembly |
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| CN106289695A (en) * | 2016-09-20 | 2017-01-04 | 天津航天瑞莱科技有限公司 | Horizontal supporting system for the test of large-scale antenna system vibration |
| CN106289695B (en) * | 2016-09-20 | 2019-12-31 | 天津航天瑞莱科技有限公司 | Horizontal supporting system for vibration test of large-scale antenna system |
| CN113252353A (en) * | 2021-04-06 | 2021-08-13 | 浙江蓝箭航天空间科技有限公司 | Horizontal test method for electromechanical servo mechanism of carrier rocket and computer storage medium |
| CN113252353B (en) * | 2021-04-06 | 2023-09-22 | 浙江蓝箭航天空间科技有限公司 | Carrier rocket electromechanical servo mechanism horizontal test method and computer storage medium |
| CN113959662A (en) * | 2021-09-22 | 2022-01-21 | 天津航天瑞莱科技有限公司 | Vibration test device for launching separation of aircraft |
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| CN105738055B (en) | 2018-06-26 |
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