CN104457448A - Combined platform for rocket body structural static strength tests - Google Patents
Combined platform for rocket body structural static strength tests Download PDFInfo
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- CN104457448A CN104457448A CN201410562499.5A CN201410562499A CN104457448A CN 104457448 A CN104457448 A CN 104457448A CN 201410562499 A CN201410562499 A CN 201410562499A CN 104457448 A CN104457448 A CN 104457448A
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Abstract
The invention provides a combined platform for rocket body structural static strength tests. The combined platform comprises a main platform face and an axial force bearing platform body, wherein the center of the main platform face is of a through hole structure, and the axial force bearing platform body is detachably embedded in the through hole structure. The through hole structure comprises two concave arc surfaces which are symmetrically arranged and two inner arc surfaces which are asymmetrically arranged, and the concave arc surfaces and the inner arc surfaces are sequentially connected into a whole. The axial force bearing platform body is arranged on the concave arc surfaces of the main platform face and coincides with the center of the main platform face, two convex arc surfaces of the axial force bearing platform body are matched with the two concave arc surfaces of the main platform face, two round through holes are formed between concave arc surfaces of the axial force bearing platform body and the two asymmetrical arc surfaces of the main platform face, and the two round through holes are asymmetrical. The combine platform can be used for performing the axial asymmetrical load bearing test of a booster rocker and can also be used for performing the axial symmetrical load bearing test. The combined platform is simple in structure, convenient to operate, accurate in stimulation, flexible to apply and capable of being reused.
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 axial asymmtric load carryings.
Background technology
Common carrier rocket, its engine is positioned at rocket rocket body center, and it produces thrust along rocket rocket body axis to rocket, is symmetrical axial load, and 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, need to utilize the form of strap-on rocket to increase the thrust to carrier rocket, current common method is the method that employing four booster rockets are bundled into main body rocket, each booster rocket is by outfit two engines, for the needs keeping 8 motor powers of four booster rockets to keep balance and rocket gesture stability and adjustment, two motor powers on each booster rocket will be different, and the direction of thrust also alterable (engine will possess 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, the test platform of axially asymmetric bearing capacity must be possessed.
In order to guarantee that the needs of new model rocket test of static strength can continue again original rocket model strength test task, 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 axial asymmtric load carryings, do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
In order to solve the test carrying platform lacked for the twin-engined asymmetrical thrust simulation of strap-on rocket existed in prior art, the object of the present invention is 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 simultaneously and has carried out at new test platform the ability that symmetry axis tests to load-bearing.Utilize the two test platform of combined type static strength provided by the invention, both can carry out the axial non-symmetrical load bearing test of booster rocket, and can axially symmetric load bearing test have been carried out again.
In order to reach foregoing invention object, the present invention is achieved by the following technical solutions.
A kind of rocket rocket body structure test of static strength combined console, comprising: 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 many radial T-slots be uniformly distributed along the circumference and multiple screwed hole I be 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 comprises the inner arc surface of two symmetrically arranged concave surface cambered surfaces and two asymmetric settings, connects as one successively 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, suitable between two convex arc surface of axial load platform and two concave surface cambered surfaces of main table top, form manhole between two concaved circular cambered surfaces of axial load platform and the inner arc surface cambered surface of main table top;
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 near the edge of one end, bottom surface for the one-level ledge structure of bolster to load platform.
Preferably, described axial load platform is provided with multiple fan-shaped hole slot of being extended to lower surface by upper surface and screwed hole II, and wherein, all radially line is symmetrical arranged between multiple fan-shaped hole slot and between multiple screwed hole II.
Preferably, the inwall of described fan-shaped hole slot convex arc surface side is provided with the cross through hole c suitable with the cross direction profiles through hole b in main table top two symmetrical concave surface cambered surface.
Preferably, the described center of axial load platform and the center superposition of 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, the present invention has following beneficial effect:
1, the invention solves in prior art the problem of the test carrying platform lacked for the simulation of strap-on rocket twin-engined asymmetrical thrust, meanwhile, still possess and carry out for common rocket symmetry axis the function simulated to thrust test bearing capacity;
2, present invention employs fabricated structure, avoid hydraulic jack that interference problem is installed;
3, simple, easy to operate, the simulation of structure of the present invention accurately, applying flexible and have can the feature such as repeated application.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
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 implemented 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, can also make some distortion and improvement, these all belong to 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, comprise: 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 many radial T-slots be uniformly distributed along the circumference and multiple screwed hole I be 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 comprises the inner arc surface of two symmetrically arranged concave surface cambered surfaces and two asymmetric settings, connects as one successively 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, suitable between two convex arc surface of axial load platform and two concave surface cambered surfaces of main table top, form manhole between two concaved circular cambered surfaces of axial load platform and the inner arc surface cambered surface of main table top;
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 near the edge of one end, bottom surface for the one-level ledge structure of bolster to load platform.Further, described axial load platform is provided with multiple fan-shaped hole slot of being extended to lower surface by upper surface and screwed hole II, and wherein, all radially line is symmetrical arranged between multiple fan-shaped hole slot and between multiple screwed hole II.
Further, the cross through hole being provided with cross direction profiles through hole and main table top concaved circular cambered surface in the fan-shaped hole slot of described axial load platform to convex arc surface side is suitable.
Further, the described center of axial load platform and the center superposition of 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 annexes such as installation connecting element, foundation bolt, suspenders, is installed to the 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 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, is fixed in two row's tracks in length and breadth of testing bed, testing stand with foundation bolt by test platform; 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;
For the applying of axially symmetric load, 100 ton hours are no more than in load, 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 body axle center, rocket cabin connection load cylinder and the afterburning cap being arranged on body upper surface, rocket cabin.If load is comparatively large, then the multiple symmetrical resistance to plucking point be 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.
For the applying of axial non-symmetrical load, two oil cylinders are arranged on respectively on the resistance to plucking point on testing bed, testing stand corresponding to two φ 1000 manholes of test platform assembly, are connected to the applying two entablatures being implemented two motor powers by pull bar.For the applying of other asymmetric axial loads, pull bar, loading beam and special loading frock is coordinated to implement to load by the resistance to plucking point of relevant position on testing bed, testing stand being installed load cylinder.
Fig. 2 is the figure of eight axial load platform structure schematic diagram being installed on main table top middle part;
The main mesa structure schematic diagram of Fig. 3 to be peripheral position main body be circulus;
For twin-engined asymmetric thrust test, first test platform is resolved into two parts as shown in Figures 2 and 3 during use installation test platform, 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 to be installed on the resistance to plucking point on testing bed, testing stand corresponding to two φ 1000 circular holes, and then by the axial load stage+module of Fig. 2 on the ledge structure in φ 1400 hole, main table top center, and to fix and use.
Be specially:
Be 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 of axial force load platform 1 is distributed with the screwed hole II3 of 14 M30, and rear and front end has fan-shaped hole slot 4 everywhere, is convenient 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 its left and right sides is concaved circular cambered surface 5, and two concaved circular cambered surface 5 diameters are φ 1000, but both distance of center circle are unequal from the centre distance of axial load platform 1, test platform peripheral position 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, both sides, main table top 2 center different distance has two diameters to be the inner arc surface 11 of 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 connect as one successively between concave surface cambered surface and inner arc surface, form the cambered surface inwall of through-hole structure.Main table top 2 upper surface designs 24 T-slots 12, circumferentially be 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, be convenient to mounting foot bolt and testing bed, testing stand in 16 φ 50 distribution holes 14 be connected and fixed, many places rule or irregular scalloped recess 16 is upwards had, for loss of weight with for installing connecting bolt vacating space bottom main table top 2.
On the step 9 that the φ 1400 circular hole inner bottom part axial load table top 1 being put into main table top 2 is given prominence to, and two parts being coupled together the complete test platform 1 of composition one by the through hole bolt of 16 φ 44, 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 be 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, be designed with corresponding resistance to plucking point carrying facility.Carrier rocket structural test part is installed on test platform, and realizes the loading of axially symmetric load to the test of carrier rocket structural member and axial non-symmetrical load by resistance to plucking point carrying facility etc. on axial force load table top 1 and testing bed, testing stand.
The axial load platform of the figure of eight, it adopts high strength steel to carry out machined and forms, axial load tabletop of platform maximum outside diameter φ 1400, its table top is distributed with the screwed hole II of 14 M30, implements the applying of less symmetrical axial load (being no more than 100 tons) for installation test loading hydraulic jack; Its left and right sides is the concaved circular cambered surface of diameter phi 1000, the circular hole of two φ 1000 is combined into the concaved circular cambered surface of two φ 1000 of main table top, for installing the hydraulic jack that two asymmetric motor powers apply, 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 and use bolt Connecting groups to synthesize a complete test platform with 8 φ 44 cross through hole of the relevant position of main table top; Axial force load table top has scalloped recess everywhere, is convenient to install connecting bolt.Test platform peripheral position 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, using the installed surface as axial load platform at internal diameter; Main table top 2 upper surface designs 24 T-slots, is circumferentially uniformly distributed, 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 with foundation bolt by test platform; Outside main table top, the face of cylinder has arc groove and is convenient to mounting foot bolt in 16 φ 50 holes; Upwards having many places rule or irregular scalloped recess bottom main table top, with being convenient to, connecting bolt being installed for platform loss of weight; Main table top upper surface designs 3 circumferentially equally distributed M42 screwed hole I design corresponding suspender and hoist cable for the lifting of test platform, transfer and installation.
In the present embodiment:
Comprise the axial load platform 1 of middle part, periphery main body is the main table top 2 of ring-type.
The table top of axial load platform 1 is distributed with the screwed hole II3 of 14 M30.
Axial force load table top 1 has fan-shaped hole slot 4 everywhere.
The left and right sides of axial force load table top 1 is the concaved circular cambered surface 5 of diameter phi 1000.
Two centers of circle, concaved circular cambered surface place and axial load platform 1 center asymmetric.
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.
Front and back convex arc surface 6 is distributed with 8 φ 44 cross through hole 7 respectively.
Axial force load table top adopts high strength steel machined to form.
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.
Both sides, main table top 2 center different distance has two diameters to be the inner arc surface 11 of φ 1000.
Main table top 2 upper surface designs 24 T-slots 12, is 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.
Many places rule or irregular scalloped recess 16 is upwards had bottom main table top 2.
Main table top 2 adopts cast steel ZG35A to cast and forms.
Proved by test, the rocket rocket body structure test of static strength combined console that the present embodiment provides, can fly in operating mode slow test to the combination of strap-on rocket afterbody by Successful utilization, and complete test mission smoothly, detailed effective test data is provided to strap-on rocket structure design verification and Curve guide impeller, realizes expection object with flying colors.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect 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, comprising: 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, is characterized in that,
The upper table surface of described main table top is provided with many radial T-slots be uniformly distributed along the circumference and multiple screwed hole I be 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 characterized 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, is characterized in that,
Described through-hole structure comprises two with the inner arc surface of the main table top center symmetrically arranged concave surface cambered surface that is the center of circle and two asymmetric settings, connect as one successively between described two symmetrically arranged concave surface cambered surfaces and the inner arc surface of two asymmetric settings, 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 of axial load platform and two concave surface cambered surfaces of main table top, form manhole between two concaved circular cambered surfaces of axial load platform and the inner arc surface cambered surface of main table top;
Load Platform center is asymmetric to axial for described two 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, describedly in the concave surface cambered surface of main table top, be provided with the cross direction profiles through hole b suitable with cross through hole a, described concave surface cambered surface is provided with near the edge of one end, bottom surface for the one-level ledge structure of bolster to load platform.
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 of being extended to lower surface by upper surface and screwed hole II, wherein, all radially line is symmetrical arranged between multiple fan-shaped hole slot and between multiple screwed hole II.
7. rocket rocket body structure test of static strength combined console according to claim 6, it is characterized in that, the inwall of described fan-shaped hole slot convex arc surface side is provided with the cross through hole c suitable with the cross direction profiles through hole b in main table top two symmetrical concave surface cambered surface.
8. rocket rocket body structure test of static strength combined console according to claim 1, is characterized 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, is characterized in that, described axial load platform adopts high strength steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562499.5A CN104457448B (en) | 2014-10-21 | 2014-10-21 | Rocket rocket body structure test of static strength combined console |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410562499.5A CN104457448B (en) | 2014-10-21 | 2014-10-21 | Rocket rocket body structure test of static strength combined console |
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| Publication Number | Publication Date |
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| CN104457448A true CN104457448A (en) | 2015-03-25 |
| CN104457448B CN104457448B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410562499.5A Active CN104457448B (en) | 2014-10-21 | 2014-10-21 | Rocket rocket body structure test of static strength combined console |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702903A (en) * | 2017-09-18 | 2018-02-16 | 上海航天精密机械研究所 | A kind of bending resistance expandable type testing platform system with aiding support |
| CN108061647A (en) * | 2017-12-18 | 2018-05-22 | 西安航天动力测控技术研究所 | A kind of Multifunctional self-leveling for slow test is weighed and consider in order to uphold justice platform |
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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 |
| CN102435490A (en) * | 2011-09-29 | 2012-05-02 | 中国航天科技集团公司第四研究院四○一所 | Combined loading system for static strength tests of solid motors |
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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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702903A (en) * | 2017-09-18 | 2018-02-16 | 上海航天精密机械研究所 | A kind of bending resistance expandable type testing platform system with aiding support |
| 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 |
| CN108061647A (en) * | 2017-12-18 | 2018-05-22 | 西安航天动力测控技术研究所 | A kind of Multifunctional self-leveling for slow test is weighed and consider in order to uphold justice platform |
| 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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| CN104457448B (en) | 2016-06-22 |
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