CN104457448B - Rocket rocket body structure test of static strength combined console - Google Patents
Rocket rocket body structure test of static strength combined console Download PDFInfo
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- CN104457448B CN104457448B CN201410562499.5A CN201410562499A CN104457448B CN 104457448 B CN104457448 B CN 104457448B CN 201410562499 A CN201410562499 A CN 201410562499A CN 104457448 B CN104457448 B CN 104457448B
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Abstract
The invention provides a kind of rocket rocket body structure test of static strength combined console, including: main table top and axial load platform, the center of main table top is through-hole structure, and axial load platform is removably inlaid in through-hole structure place。Through-hole structure includes the inner arc surface of two symmetrically arranged concave surface cambered surfaces and two asymmetric settings, is sequentially connected with and is integrated between concave surface cambered surface and inner arc surface；Axial load platform is arranged at the concave surface cambered surface place of main table top, axial load platform and main table top center superposition, two convex arc surface of axial load platform are suitable with two concave surface cambered surfaces of main table top, forming two manholes between concaved circular cambered surface and the two asymmetrical inner arc surfaces of main table top of axial load platform, described two manholes are asymmetric。The present invention both can carry out the axial non-symmetrical load bearing test of booster rocket, can carry out again axially symmetric load bearing test, simple in construction, easy to operate, simulation accurately, applying flexible and repeatable application。
Description
Technical field
The present invention relates to carrier rocket rocket body structure test of static strength platform, especially a kind of axially symmetric load that can carry out carries the rocket rocket body structure test of static strength combined console that can carry out again twin-engined axially asymmetric load-bearing。
Background technology
Common carrier rocket, its electromotor is positioned at rocket rocket body center, and rocket is produced thrust along rocket rocket body axis by it, and for symmetrical axial load, therefore, former rocket rocket body structure test of static strength platform is the test platform of symmetrical carrying。And the demand constantly strengthened along with carrier rocket carrying capacity, the form utilizing strap-on rocket is needed to increase the thrust to carrier rocket, current common method is the method adopting four booster rockets to be bundled into main body rocket, each booster rocket will be equipped with two electromotors, for keeping 8 motor powers of four booster rockets to keep the needs of balance and rocket gesture stability and adjustment, two motor powers on each booster rocket will be different, and the direction of thrust also alterable (electromotor will be provided with certain swing angle), therefore, the axial thrust that booster rocket rocket body structure produces is asymmetric axial load, for making a strength test for booster rocket rocket body structure, must possess the test platform of axial asymmetric bearing capacity。
In order to not only can ensure that the needs of new model rocket test of static strength but also original rocket model strength test task can have been continued, a kind of axially symmetric load that can carry out of specialized designs is needed to carry the test of static strength platform that can carry out again twin-engined axially asymmetric load-bearing, currently without the explanation or the report that find technology similar to the present invention, also not yet collect data similar both at home and abroad。
Summary of the invention
The test carrying platform for the simulation of strap-on rocket twin-engined asymmetrical thrust is lacked in order to what solve prior art exists, it is an object of the invention to provide a kind of rocket rocket body structure test of static strength combined console, this test platform can carry out the new test platform of asymmetric double motor power carrying, has also possessed the ability carrying out the test of symmetrical axially load-bearing at new test platform simultaneously。Utilize the double; two test platform of combination type static strength provided by the invention, both can carry out the axial non-symmetrical load bearing test of booster rocket, axially symmetric load bearing test can be carried out again。
In order to reach foregoing invention purpose, the present invention is achieved by the following technical solutions。
A kind of rocket rocket body structure test of static strength combined console, including: main table top and axial load platform, wherein, the center of described main table top is through-hole structure, and described axial load platform is removably inlaid in the through-hole structure place of described main table top。
Preferably, the upper table surface of described main table top is provided with a plurality of radial T-slot being uniformly distributed along the circumference and multiple screwed hole I being uniformly distributed along the circumference；
The bottom surface of described main table top is provided with multi-disc and has difform scalloped recess, and described multi-disc scalloped recess is distributed in around through-hole structure；The sidewall of described main table top is provided with multiple arc groove with different radian, wherein, each arc groove interior diapire be provided with to bottom surface extend distribution hole。
Preferably, described radial T-slot is extended to the outward flange of upper table surface by the edge of through-hole structure。
Preferably, described through-hole structure includes the inner arc surface of two symmetrically arranged concave surface cambered surfaces and two asymmetric settings, is sequentially connected with and is integrated between described concave surface cambered surface and inner arc surface, forms the cambered surface inwall of through-hole structure；
Described axial load platform is arranged at symmetrically arranged concave surface cambered surface place, wherein, between two convex arc surface and the two concave surface cambered surfaces of main table top of axial load platform suitable, between two concaved circular cambered surfaces and the inner arc surface cambered surface of main table top of axial load platform formed manhole；
Load Platform center is asymmetric to axial for described two manholes。
Preferably, the convex arc surface of described axial load platform is provided with cross through hole a, the concave surface cambered surface of described main table top is provided with the cross direction profiles through hole b suitable with cross through hole a, and described concave surface cambered surface is provided with the one-level ledge structure for supporting axial load platform near the edge of one end, bottom surface。
Preferably, described axial load platform is provided with multiple fan-shaped hole slot extended to lower surface by upper surface and screwed hole II, and wherein, between multiple fan-shaped hole slots and between multiple screwed hole II, all radially line is symmetrical arranged。
Preferably, the inwall of described fan-shaped hole slot convex arc surface side is provided with and suitable for the cross direction profiles through hole b cross through hole c in the symmetrical concave surface cambered surface of main table top two。
Preferably, the center superposition of the center of described axial load platform and main table top。
Preferably, described main table top adopts cast steel ZG35A material。
Preferably, described axial load platform adopts high strength steel material。
Compared with prior art, there is advantages that
1, the invention solves in prior art the problem lacking the test carrying platform for the twin-engined asymmetrical thrust simulation of strap-on rocket, still possess for the symmetrical function that axially thrust test bearing capacity is simulated of common rocket meanwhile；
2, present invention employs fabricated structure, it is to avoid interference problem installed by hydraulic jack；
3, present configuration is simple, easy to operate, simulation accurately, applying flexible and there is the features such as repeatable application。
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, the other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 is the structural representation of rocket rocket body structure test of static strength combined console of the present invention；
Fig. 2 is the structural representation of the axial load platform of the present invention；
Fig. 3 is the main mesa structure schematic diagram of the present invention；
Fig. 4 is rocket rocket body structure test of static strength combined console polycrystalline substance schematic diagram of the present invention；
In figure:
1 is axial load platform；
2 is main table top；
3 is screwed hole II；
4 is fan-shaped hole slot；
5 is the concaved circular cambered surface of axial load platform；
6 is the convex arc surface of axial load platform；
7 is cross through hole；
8 is the concave surface cambered surface of main table top；
9 is ledge structure；
10 is cross direction profiles through hole；
11 is the inner arc surface of main table top；
12 is T-slot；
13 is screwed hole I；
14 is distribution hole；
15 is arc groove；
16 is scalloped recess。
Detailed description of the invention
Below embodiments of the invention are elaborated: the present embodiment is carried out under premised on technical solution of the present invention, give detailed embodiment and concrete operating process。It should be pointed out that, to those skilled in the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention。
Please refer to Fig. 1 to Fig. 4。
Present embodiments provide a kind of rocket rocket body structure test of static strength combined console, including: main table top and axial load platform, wherein, the center of described main table top is through-hole structure, and described axial load platform is removably inlaid in the through-hole structure place of described main table top。
Further, the upper table surface of described main table top is provided with a plurality of radial T-slot being uniformly distributed along the circumference and multiple screwed hole I being uniformly distributed along the circumference；The bottom surface of described main table top is provided with multi-disc and has difform scalloped recess, and described multi-disc scalloped recess is distributed in around through-hole structure；The sidewall of described main table top is provided with multiple arc groove with different radian, and wherein, the interior diapire of each arc groove is provided with the distribution hole extended to bottom surface。Further, described radial T-slot is extended to the outward flange of upper table surface by the edge of through-hole structure。
Further, described through-hole structure includes the inner arc surface of two symmetrically arranged concave surface cambered surfaces and two asymmetric settings, is sequentially connected with and is integrated between described concave surface cambered surface and inner arc surface, forms the cambered surface inwall of through-hole structure；
Described axial load platform is arranged at symmetrically arranged concave surface cambered surface place, wherein, between two convex arc surface and the two concave surface cambered surfaces of main table top of axial load platform suitable, between two concaved circular cambered surfaces and the inner arc surface cambered surface of main table top of axial load platform formed manhole；
Load Platform center is asymmetric to axial for described two manholes。
Further, the convex arc surface of described axial load platform is provided with cross through hole 7, the concave surface cambered surface of described main table top is provided with the cross direction profiles through hole 10 suitable with cross through hole 7, and described concave surface cambered surface is provided with the one-level ledge structure for supporting axial load platform near the edge of one end, bottom surface。Further, described axial load platform is provided with multiple fan-shaped hole slot extended to lower surface by upper surface and screwed hole II, and wherein, between multiple fan-shaped hole slots and between multiple screwed hole II, all radially line is symmetrical arranged。
Further, cross direction profiles through hole it is provided with in described axial load platform sector hole slot to convex arc surface side suitable with the cross through hole of main table top concaved circular cambered surface。
Further, the center superposition of the center of described axial load platform and main table top。
Further, described main table top adopts cast steel ZG35A material。
Further, described axial load platform adopts high strength steel material。
Below in conjunction with accompanying drawing, the present embodiment is further described。
The rocket rocket body structure test of static strength combined console that the present embodiment provides, by adnexaes such as installation connecting element, foundation bolt, suspenders, is installed to enterprising enforcement of the testing bed, testing stand being specifically designed to carrier rocket test of static strength and uses。
Fig. 1 is the structural representation of rocket rocket body structure test of static strength combined console。
As it is shown in figure 1, main table top base has the distribution hole of 16 φ 50, by the distribution hole of these 16 φ 50, with foundation bolt, test platform is fixed in two row's tracks in length and breadth of testing bed, testing stand；Utilize 24 equally distributed T-slot on the main table top of test platform, with T-slot bolt, testpieces is affixed to test platform table top by test tool；
Applying for axially symmetric load, in load less than 100 ton hours, test loading oil cylinder can be fixed by the screwed hole II bolt of 14 M30 of axial load tabletop of platform, be implemented the applying of axially symmetric load by pull bar along rocket nacelle axle center connection load cylinder and the afterburning cap being arranged on rocket nacelle upper surface。If load is relatively big, then the multiple symmetrical resistance to plucking point being positioned at around test platform on testing bed, testing stand is adopted to coordinate pull bar, loading beam and afterburning cap to implement the applying of symmetrical axial load。
Applying for axial non-symmetrical load, two oil cylinders are separately mounted on the resistance to plucking point on the testing bed, testing stand that two φ 1000 manholes of test platform assembly are corresponding, are connected to the applying implementing two motor powers on two entablatures by pull bar。For the applying of other asymmetric axial loads, pull bar, loading beam and special loading frock can be coordinated to implement to load by installation load cylinder on the resistance to plucking point of relevant position on testing bed, testing stand。
Fig. 2 is mounted to the axial load platform structure schematic diagram of the figure of eight of main table top middle part；
Fig. 3 is peripheral position main body is the main mesa structure schematic diagram of circulus；
For twin-engined asymmetric thrust tests, use, during installation test platform, first test platform is resolved into two parts as shown in Figures 2 and 3, then first main for Fig. 3 countertop segment is installed on testing bed, testing stand, by the distribution hole of these 16 φ 50, with foundation bolt, test platform is fixed in two row's tracks in length and breadth of testing bed, testing stand；Again two load cylinders are installed on the resistance to plucking point on two testing bed, testing stand corresponding to φ 1000 circular hole, then again by the ledge structure in the axial load stage+module of Fig. 2 to φ 1400 hole, main table top center, and fix and use。
Particularly as follows:
Being installed on the axial load platform 1 of the figure of eight at through-hole structure place, main table top middle part, the table top mid portion distribution of axial force load platform 1 has the screwed hole II3 of 14 M30, rear and front end to have fan-shaped hole slot 4 everywhere, it is simple to install connecting bolt。Front and back convex arc surface diameter is φ 1400, and has 8 φ 44 cross through hole 7 respectively in fan hole slot place, and both sides are concaved circular cambered surface 5 around, and two concaved circular cambered surface 5 diameters are φ 1000, but both distance of center circle off-axis are unequal to the centre distance of load platform 1；Position, test platform periphery main body is the main table top 2 of ring-type, main table top 2 internal diameter φ 1400, external diameter φ 3600, and at internal diameter (concave surface cambered surface 8 place) for having one-level ledge structure 9 bottom φ 1400 circular hole, the inner arc surface 11 that both sides, main table top 2 center different distance has two diameters to be φ 1000, before and after on φ 1400 inner cylinder face, both sides have the cross direction profiles through hole 10 of 8 φ 44 respectively, wherein, hole φ 1400 and φ 1000 hole, left and right two overlap to form shape as shown in Figure 3 respectively, namely it is sequentially connected with between concave surface cambered surface and inner arc surface and is integrated, form the cambered surface inwall of through-hole structure。Main table top 2 upper surface 24 T-slots 12 of design, circumferentially it is uniformly distributed, main table top 2 base has the distribution hole 14 of 16 φ 50, outside main table top 2, the circle face of leaning on has many places arc groove 15, it is easy in 16 φ 50 distribution holes 14 mounting foot bolt and is connected with testing bed, testing stand fixing, main table top 2 bottom up has that many places are regular or irregular scalloped recess 16, for loss of weight with for installing connecting bolt vacating space。
Axial load table top 1 is put on the step 9 that the φ 1400 circular hole inner bottom part of main table top 2 is prominent, and by the through hole bolt of 16 φ 44 two parts being coupled together the complete test platform 1 of composition one, the inner arc surface of the concaved circular cambered surface of two φ 1000 on so axial load platform 1 and two φ 1000 of main table top 2 is sticked to form two complete φ 1000 circular holes respectively。
Complete test platform is arranged on Special test pedestal, and it is fixed in two groups of tracks in length and breadth of testing bed, testing stand by the distribution hole foundation bolt of 16 φ 50 of main table top 2 base, on testing bed, testing stand, around the circular hole position of two φ 1000 of corresponding test platform and test platform, design has corresponding resistance to plucking point carrying facility。Carrier rocket structural test part is installed on test platform, and realizes the axially symmetric load to the test of carrier rocket structural member and the loading of axial non-symmetrical load by resistance to plucking point carrying facility on axial force load table top 1 and testing bed, testing stand etc.。
The axial load platform of the figure of eight, it adopts high strength steel to be machined out forming, axial load tabletop of platform maximum outside diameter φ 1400, the distribution of its table top has the screwed hole II of 14 M30, implements the applying of less symmetrical axial load (less than 100 tons) for installation test loading hydraulic jack；Both sides are the concaved circular cambered surface of diameter phi 1000 around, and the circular hole that the concaved circular cambered surface of two φ 1000 of main table top is combined into two φ 1000, for installing the hydraulic jack that two asymmetric motor powers apply, are used for applying two asymmetric motor power load；Before and after axial load platform, both sides are convex arc surface, and have 8 φ 44 cross through hole respectively, align with the 8 of the relevant position of main table top φ 44 cross through hole and are connected with being combined into a complete test platform；Axial force load table top has scalloped recess everywhere, it is simple to install connecting bolt。Position, test platform periphery main body is the main table top of ring-type, ring-type main table top 2 internal diameter φ 1400, external diameter φ 3600, and is have a step bottom φ 1400 circular hole at internal diameter, using the installed surface as axial load platform；Main table top 2 upper surface 24 T-slots of design, are circumferentially uniformly distributed, are used for installing fixation test frock and test products；Main table top base has the distribution hole of 16 φ 50, by the distribution hole of these 16 φ 50, is fixed in two row's tracks in length and breadth of testing bed, testing stand by test platform with foundation bolt；Outside main table top, the face of cylinder has arc groove and is easy to mounting foot bolt in 16 φ 50 holes；Main table top bottom up has that many places are regular or irregular scalloped recess, for platform loss of weight be easily installed connecting bolt；Main table top upper surface design 3 circumferentially equally distributed M42 screwed hole I also designs corresponding suspender and hoist cable for the lifting of test platform, transfer and installation。
In the present embodiment:
Including the axial load platform 1 of middle part, periphery main body is the main table top 2 of ring-type。
The table top distribution of axial load platform 1 has the screwed hole II3 of 14 M30。
Axial force load table top 1 has fan-shaped hole slot 4 everywhere。
The concaved circular cambered surface that the left and right sides is diameter phi 1,000 5 of axial force load table top 1。
Two center of circle, concaved circular cambered surface places are asymmetric with axial load platform 1 center。
The both sides, front and back of axial force load table top 1 are convex arc surface 6。
Convex arc surface diameter is φ 1400。
In the convex arc surface 6 of front and back, distribution has 8 φ 44 cross through hole 7 respectively。
Axial force load table top adopts high strength steel to be machined into。
Concave surface cambered surface 8 diameter of main table top 2 is φ 1400。
The external diameter of main table top 2 is φ 3600。
Concave surface cambered surface 8 internal diameter of main table top 2 is φ 1400 circular hole, has a step 9 bottom it。
Before and after on φ 1400 inner cylinder face, both sides have the cross direction profiles through hole 10 of 8 φ 44 respectively。
The inner arc surface 11 that both sides, main table top 2 center different distance has two diameters to be φ 1000。
Main table top 2 upper surface 24 T-slots 12 of design, are circumferentially uniformly distributed。
Main table top 2 upper surface designs 3 circumferentially equally distributed M42 screwed hole I13。
Main table top 2 bottom periphery has the distribution hole 14 of 16 φ 50。
Outside main table top 2, the face of cylinder has the arc groove 15 that many places radian does not wait。
Main table top 2 bottom up has that many places are regular or irregular scalloped recess 16。
Main table top 2 adopts cast steel ZG35A casting to form。
By it have been experienced that, the rocket rocket body structure test of static strength combined console that the present embodiment provides, can combine in flight operating mode slow test to strap-on rocket afterbody by Successful utilization, and smoothly complete test mission, strap-on rocket structure design verification and Curve guide impeller are provided detailed effective test data, realizes expection purpose with flying colors。
Above specific embodiments of the invention are described。It is to be appreciated that the invention is not limited in above-mentioned particular implementation, those skilled in the art can make various deformation or amendment within the scope of the claims, and this has no effect on the flesh and blood of the present invention。
Claims (9)
1. a rocket rocket body structure test of static strength combined console, it is characterized in that, including: main table top and axial load platform, wherein, the center of described main table top is through-hole structure, and described axial load platform is removably inlaid in the through-hole structure place of described main table top。
2. rocket rocket body structure test of static strength combined console according to claim 1, it is characterised in that
The upper table surface of described main table top is provided with a plurality of radial T-slot being uniformly distributed along the circumference and multiple screwed hole I being uniformly distributed along the circumference；
The bottom surface of described main table top is provided with multi-disc and has difform scalloped recess, and described multi-disc scalloped recess is distributed in around through-hole structure；
The sidewall of described main table top is provided with multiple arc groove with different radian, and wherein, the interior diapire of each arc groove is provided with the distribution hole extended to bottom surface。
3. rocket rocket body structure test of static strength combined console according to claim 2, it is characterised in that described radial T-slot is extended to the outward flange of upper table surface by the edge of through-hole structure。
4. rocket rocket body structure test of static strength combined console according to claim 1 and 2, it is characterised in that
Described through-hole structure includes the inner arc surface of symmetrically arranged concave surface cambered surface that two is the center of circle with main table top center and two asymmetric settings, it is sequentially connected with between described two symmetrically arranged concave surface cambered surfaces and the inner arc surface of two asymmetric settings and is integrated, form the cambered surface inwall of through-hole structure；
Described axial load platform is arranged at the through-hole structure place of main table top, the center of axial load platform and the center superposition of main table top；Wherein, suitable between two convex arc surface and the two concave surface cambered surfaces of main table top of axial load platform, form manhole between two concaved circular cambered surfaces and the inner arc surface cambered surface of main table top of axial load platform；
Load Platform center is asymmetric to axial for two described manholes。
5. rocket rocket body structure test of static strength combined console according to claim 4, it is characterized in that, the convex arc surface of described axial load platform is provided with cross through hole a, described being provided with the cross direction profiles through hole b suitable with cross through hole a in the concave surface cambered surface of main table top, described concave surface cambered surface is provided with the one-level ledge structure for supporting axial load platform near the edge of one end, bottom surface。
6. rocket rocket body structure test of static strength combined console according to claim 5, it is characterized in that, described axial load platform is provided with multiple fan-shaped hole slot extended to lower surface by upper surface and screwed hole II, wherein, between multiple fan-shaped hole slots and between multiple screwed hole II, all radially line is symmetrical arranged。
7. rocket rocket body structure test of static strength combined console according to claim 6, it is characterised in that the inwall of described fan-shaped hole slot convex arc surface side is provided with and suitable for the cross direction profiles through hole b cross through hole c in the symmetrical concave surface cambered surface of main table top two。
8. rocket rocket body structure test of static strength combined console according to claim 1, it is characterised in that described main table top adopts cast steel ZG35A material。
9. rocket rocket body structure test of static strength combined console according to claim 1, it is characterised in that described axial load platform adopts high strength steel material。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410562499.5A CN104457448B (en) | 2014-10-21 | 2014-10-21 | Rocket rocket body structure test of static strength combined console |
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| CN201410562499.5A CN104457448B (en) | 2014-10-21 | 2014-10-21 | Rocket rocket body structure test of static strength combined console |
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| CN104457448B true CN104457448B (en) | 2016-06-22 |
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| CN107702903B (en) * | 2017-09-18 | 2020-05-15 | 上海航天精密机械研究所 | Bending resistance extensible type test platform system with auxiliary support |
| CN108061647B (en) * | 2017-12-18 | 2021-05-04 | 西安航天动力测控技术研究所 | Multifunctional self-balancing platform for static test |
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| RU2184359C1 (en) * | 2000-10-19 | 2002-06-27 | Открытое акционерное общество "Ракетно-космическая корпорация "Энергия" им. С.П. Королева" | Process of ground test of panel structures of aircraft for strength and gear for its embodiment |
| CN201130086Y (en) * | 2007-12-18 | 2008-10-08 | 上海航天精密机械研究所 | Vibration test general-purpose connecting platform |
| CN102435490B (en) * | 2011-09-29 | 2013-06-12 | 中国航天科技集团公司第四研究院四0一所 | Combined loading system for static strength tests of solid motors |
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