CN111173645A - Liquid rocket storage tank binding structure - Google Patents
Liquid rocket storage tank binding structure Download PDFInfo
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- CN111173645A CN111173645A CN201911181514.0A CN201911181514A CN111173645A CN 111173645 A CN111173645 A CN 111173645A CN 201911181514 A CN201911181514 A CN 201911181514A CN 111173645 A CN111173645 A CN 111173645A
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- tank
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- ring
- liquid rocket
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/42—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid or gaseous propellants
- F02K9/60—Constructional parts; Details not otherwise provided for
- F02K9/605—Reservoirs
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a liquid rocket storage tank binding structure, the liquid rocket storage tank comprises at least two independent storage tank barrels, the liquid rocket storage tank binding structure comprises: the reinforcing ring is arranged between two adjacent tank cylinders, the two tank cylinders are a first tank cylinder and a second tank cylinder, the first end of the reinforcing ring is coaxially connected with one end of the first tank cylinder, the second end of the reinforcing ring is coaxially connected with one end of the second tank cylinder, and the outer side surface of the reinforcing ring is provided with a plurality of bosses; and the binding supports are connected with the bosses and are used for being connected with the booster. The invention can realize the function of arranging the binding point of the booster on the barrel section of the core-grade storage box.
Description
Technical Field
The invention belongs to the field of rocket launching, and particularly relates to a liquid rocket storage tank binding structure.
Background
With the continuous improvement of the carrying capacity of the carrier rocket, the bundling carrier rocket becomes one of the mainstream development directions. For example, a certain liquid bundled carrier rocket is bundled with 4 boosters, and the front end of each booster is connected with 2 corresponding bundling points on a core-stage rocket.
At present, binding points of the existing bound carrier rockets in China are all arranged on an unsealed cabin body, a case of the existing bound carrier rockets is not arranged on a storage tank, a cylinder section of the conventional storage tank is generally of a hard shell type or semi-hard shell type structure, and the structure can only bear uniform internal pressure load, axial load and transverse bending moment load and cannot bear multi-point radial concentrated load.
The prior art fails to subject the tank to multi-point radial concentrated loads to achieve placement of tie points on the tank.
Disclosure of Invention
In order to solve the problems, the invention provides a liquid rocket storage tank binding structure which can realize the function of arranging booster binding points on a core-level storage tank barrel section.
The technical scheme of the invention is as follows:
a liquid rocket tank binding structure, the liquid rocket tank including at least two independent tank barrels, the liquid rocket tank binding structure comprising:
the reinforcing ring is arranged between two adjacent tank barrels, the two adjacent tank barrels are a first tank barrel and a second tank barrel, the first end of the reinforcing ring is coaxially connected with one end of the first tank barrel, the second end of the reinforcing ring is coaxially connected with one end of the second tank barrel, and a plurality of bosses are arranged on the outer side surface of the reinforcing ring;
and the binding supports are connected with the bosses and are used for being connected with the booster.
According to an embodiment of the invention, the reinforcement ring comprises:
the first end of the outer cylindrical ring is connected with one end of the first tank cylinder, the second end of the outer cylindrical ring is connected with one end of the second tank cylinder, the plurality of bosses are arranged on the outer side surface of the outer cylindrical ring, and a first flange and a second flange are sequentially arranged on the inner side surface of the outer cylindrical ring along the axial direction;
the outer side of the plate surface of the first circular plate is connected with the first flange;
the outer side of the plate surface of the second circular plate is connected with the second flange;
and the two ends of the inner cylindrical ring are respectively connected to the inner side of the plate surface of the first circular ring plate and the inner side of the plate surface of the second circular ring plate.
According to an embodiment of the present invention, the first annular plate and the second annular plate are provided with a plurality of diffusion through holes.
According to an embodiment of the present invention, the diffusion through holes are formed at positions of the first annular plate and the second annular plate corresponding to the bosses.
According to an embodiment of the present invention, both the inner side of the plate surface of the first circular plate and the inner side of the plate surface of the second circular plate are bent in the axial direction, and both ends of the inner cylindrical ring are connected to the inner side of the plate surface of the bent first circular plate and the inner side of the plate surface of the second circular plate, respectively.
According to an embodiment of the invention, both ends of the inner cylindrical ring are respectively connected with the inner side of the plate surface of the first circular ring plate and the inner side of the plate surface of the second circular ring plate after bending through bolts.
According to an embodiment of the present invention, the outer side of the plate surface of the first annular plate and the outer side of the plate surface of the second annular plate are respectively connected to the first flange and the second flange by bolts.
According to an embodiment of the invention, the first end of the outer cylindrical ring and the second end of the outer cylindrical ring are connected to one end of the first tank barrel and one end of the second tank barrel, respectively, by a butt weld.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) in one embodiment of the invention, the reinforcing ring is arranged, two ends of the reinforcing ring are respectively connected with the first storage tank barrel and the second storage tank barrel, the reinforcing ring is provided with the boss, and the boss is provided with the binding support, so that multipoint radial concentrated loads transmitted to the reinforcing ring by the binding support and the boss can be subjected to circumferential diffusion transmission through the reinforcing ring to realize mechanical balance, and the function of arranging the booster on the storage tank is achieved.
(2) In one embodiment of the invention, the reinforcing ring consists of the outer cylindrical ring, the first circular ring plate, the second circular ring plate and the inner cylindrical ring, so that the reinforcing ring forms a closed box-shaped structure and has good structural rigidity.
(3) In one embodiment of the invention, the first circular ring plate and the second circular ring plate are provided with a plurality of diffusion through holes, so that radial concentrated loads can be better diffused along the circumferential direction.
(4) In one embodiment of the invention, the first circular ring plate and the second circular ring plate are respectively provided with the diffusion through holes at the positions corresponding to the bosses, so that the radial concentrated load can be diffused out more quickly and better.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic view of an overall bundling structure for a liquid rocket tank of the present invention;
FIG. 2 is a schematic view of a reinforcing ring of a liquid rocket tank bundling structure according to the present invention;
FIG. 3 is a cross-sectional view of a stiffener ring of a liquid rocket tank bundling structure of the present invention.
Description of reference numerals:
1: a first tank drum; 2: a second tank barrel; 3: a boss; 4: binding a support; 5: an outer cylindrical ring; 6: a first flange; 7: a second flange; 8: a first annular plate; 9: a second annular plate; 10, an inner cylindrical ring; 11: a diffusion via.
Detailed Description
The liquid rocket tank binding structure provided by the invention is further explained in detail by combining the attached drawings and the specific embodiment. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise ratio for the purpose of facilitating and distinctly aiding in the description of the embodiments of the invention.
Referring to fig. 1 to 3, a liquid rocket tank binding structure, the liquid rocket tank comprising at least two independent tank drums, comprises a first tank drum 1, a second tank drum 2, a reinforcing ring, a plurality of binding supports 4. The storage tank barrel is a rocket core-level storage tank structure, the rocket storage tank is mainly used for storing fuel, binding points are required to be arranged on the storage tank to be connected with the booster in order to achieve better spatial layout in the design process of certain rockets, the storage tank is divided into a plurality of sections in order to arrange the booster binding points on the storage tank, barrel section wall plates and reinforcing rings are connected in series, and a plurality of binding structures can be arranged on the same storage tank. The reinforced ring is arranged between two adjacent tank cylinders, the first end of the reinforced ring is connected with one end of the first tank cylinder 1, the second end of the reinforced ring is connected with one end of the second tank cylinder 2, a plurality of bosses 3 are arranged on the outer side surface of the circumference of the reinforced ring, the bosses 3 can be of a split structure and consist of an upper part and a lower part, and a groove is arranged in the middle for assembling a binding support 4; the binding supports 4 are connected to the bosses 3, the binding supports 4 are specifically connected to the bosses 3 through bolts, the binding supports 4 are used for being connected with the booster, the specific structure is designed by matching binding points on the booster, the binding supports 4 are taken as examples, the number of the bosses 3 and the binding supports 4 is 8, 2 of the bosses are 1 group, and each group is respectively connected with one booster. The booster is connected with 2 binding supports 4, the binding supports 4 and the bosses 3 can transmit multi-point radial concentrated loads to the reinforcing ring through the reinforcing ring to realize mechanical balance, and meanwhile, the first storage tank barrel 1 and the second storage tank barrel 2 do not bear the radial concentrated loads, so that the function of arranging the booster on the storage tank is achieved.
Further, the reinforcing ring comprises an outer cylindrical ring 5, a first circular ring plate 8, a second circular ring plate 9 and an inner cylindrical ring 10. The first end of the outer cylindrical ring 5 is connected with one end of the first tank cylinder 1, the second end of the outer cylindrical ring 5 is connected with one end of the second tank cylinder 2, the plurality of bosses 3 are arranged on the outer circumferential side surface of the outer cylindrical ring 5, the first flange 6 and the second flange 7 which surround a circle are sequentially arranged on the inner circumferential side surface of the outer cylindrical ring 5 along the axial direction, and a certain distance is arranged between the first flange 6 and the second flange 7; the outer side of the plate surface of the first circular plate 8, namely the plate surface close to the outer side of the circumference, is connected with the first flange 6; the outer side of the plate surface of the second circular plate 9, namely the plate surface close to the outer side of the circumference, is connected to the second flange 7, and the first circular plate 8 and the second circular plate 9 are preferably arranged in parallel; the upper and lower both ends of interior cylinder ring 10 are connected respectively in the inboard face of first ring plate 8 and the inboard face of second ring plate 9, and interior cylinder ring 10 and the preferred concentric setting of outer cylinder ring 5, and interior cylinder ring 10, first ring plate 8 and second ring plate 9 can integrated into one piece, also can form by the multistage concatenation along circumference, and wherein interior cylinder ring 10 is for becoming thickness structure, specifically according to the design requirement thickness of determining local region. The whole reinforcing ring forms a closed box-shaped structure, so that the reinforcing ring has good structural rigidity and can better bear radial concentrated loads.
Further, a plurality of diffusion through holes 11 are formed in the first circular plate 8 and the second circular plate 9. The number and the positions of the diffusion through holes 11 are specifically arranged according to the design requirement, the diffusion through holes can be in the shape of round holes or grooves, and the like, and are also determined according to the design requirement, so that the diffusion through holes mainly play a role in diffusing radial concentrated loads, and the radial concentrated loads are better diffused along the circumferential direction.
Further, the first circular ring plate 8 and the second circular ring plate 9 are provided with diffusion through holes 11 at positions corresponding to the bosses 3. The diffusion through holes 11 are arranged at certain positions, because the diffusion through holes are close to the bosses 3, the radial concentrated load transmitted from the bosses 3 can be transmitted and diffused to two sides along the diffusion through holes 11 at the first time, and the local structure is prevented from bearing excessive load and being damaged in advance.
Further, the inner side of the plate surface of the first circular plate 8 and the inner side of the plate surface of the second circular plate 9 are both bent along the axial direction, and two ends of the inner cylindrical ring 10 are respectively connected with the inner side of the plate surface of the bent first circular plate 8 and the inner side of the plate surface of the second circular plate 9. The first circular plate 8 and the second circular plate 9 after bending are approximately L-shaped, can be conveniently connected with the inner cylindrical ring 10, and the structural strength is also greatly increased.
Furthermore, both ends of the inner cylindrical ring 10 are respectively connected with the inner side of the plate surface of the first circular ring plate 8 and the inner side of the plate surface of the second circular ring plate 9 after bending through bolts. The bolt connection is simple, practical and firm.
Further, the outer side of the plate surface of the first circular plate 8 and the outer side of the plate surface of the second circular plate 9 are respectively connected to the first flange 6 and the second flange 7 through bolts. The bolt connection is simple, practical and firm.
Further, the first end of the outer cylindrical ring 5 and the second end of the outer cylindrical ring 5 are connected with one end of the first tank cylinder 1 and one end of the second tank cylinder 2 respectively through butt weld seams. The butt welding seam can meet the requirements of internal pressure bearing and sealing performance of the storage tank.
The working process of the present invention is further explained as follows:
taking binding of 4 boosters as an example, 8 bosses 3 are arranged on the outer side of the circumference of the reinforcing ring, 8 binding supports 4 are connected to the 8 bosses 3 through bolts, and each group of 2 bosses 3 and 2 binding supports 4 close to each other is a group and used for being connected with binding points on the boosters.
In the rocket flying process, the reinforcing ring, the first tank barrel 1 and the second tank barrel 2 bear internal pressure load, axial load and transverse bending moment load, meanwhile, the reinforcing ring bears multipoint radial concentrated load from the binding support 4, and the multipoint radial concentrated load borne by the reinforcing ring is diffused along the circumference through the self structure and the diffusion through hole 11.
Therefore, the problem that the carrier rocket simultaneously bears the internal pressure load, the axial load, the transverse bending moment load and the multi-point radial concentrated load on the core-stage storage box is successfully solved, the function of arranging the binding points of the booster on the core-stage storage box is realized, and the flexibility of the arrangement of the binding point positions of the booster is greatly expanded.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (8)
1. A liquid rocket tank bundling structure, wherein the liquid rocket tank comprises at least two independent tank barrels, the liquid rocket tank bundling structure comprising:
the reinforcing ring is arranged between two adjacent tank barrels, the two adjacent tank barrels are a first tank barrel and a second tank barrel, the first end of the reinforcing ring is coaxially connected with one end of the first tank barrel, the second end of the reinforcing ring is coaxially connected with one end of the second tank barrel, and a plurality of bosses are arranged on the outer side surface of the reinforcing ring;
and the binding supports are connected with the bosses and are used for being connected with the booster.
2. The liquid rocket tank bundling structure of claim 1, wherein the stiffening ring comprises:
the first end of the outer cylindrical ring is connected with one end of the first tank cylinder, the second end of the outer cylindrical ring is connected with one end of the second tank cylinder, the outer side face of the outer cylindrical ring is provided with the plurality of bosses, and the inner side face of the outer cylindrical ring is sequentially provided with a first flange and a second flange along the axial direction;
the outer side of the plate surface of the first circular plate is connected with the first flange;
the outer side of the plate surface of the second circular plate is connected with the second flange;
and the two ends of the inner cylindrical ring are respectively connected to the inner side of the plate surface of the first circular ring plate and the inner side of the plate surface of the second circular ring plate.
3. The liquid rocket tank binding structure of claim 2 wherein a plurality of diffusion holes are provided in each of the first and second annular plates.
4. The liquid rocket tank binding structure of claim 3, wherein said first annular plate and said second annular plate are provided with said diffusing through-holes at locations corresponding to said bosses.
5. The liquid rocket tank binding structure according to claim 2, wherein the inner side of the first circular plate and the inner side of the second circular plate are both bent in the axial direction, and both ends of the inner cylindrical ring are connected to the bent inner sides of the first circular plate and the second circular plate, respectively.
6. The liquid rocket tank binding structure according to claim 5, wherein both ends of the inner cylindrical ring are respectively connected with the inner sides of the plate surfaces of the first and second bent circular ring plates through bolts.
7. The liquid rocket tank binding structure of claim 2, wherein the plate surface outer side of the first annular plate and the plate surface outer side of the second annular plate are each connected to the first flange and the second flange by bolts, respectively.
8. The liquid rocket tank bundling structure of claim 2, wherein the first end of the outer cylindrical ring and the second end of the outer cylindrical ring are each connected to one end of the first tank barrel and one end of the second tank barrel, respectively, by a butt weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181514.0A CN111173645B (en) | 2019-11-27 | 2019-11-27 | Liquid rocket storage tank binding structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181514.0A CN111173645B (en) | 2019-11-27 | 2019-11-27 | Liquid rocket storage tank binding structure |
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| Publication Number | Publication Date |
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| CN111173645A true CN111173645A (en) | 2020-05-19 |
| CN111173645B CN111173645B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911181514.0A Active CN111173645B (en) | 2019-11-27 | 2019-11-27 | Liquid rocket storage tank binding structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865821A (en) * | 2021-08-23 | 2021-12-31 | 北京强度环境研究所 | Ball head connection simulation assembly and wind load test device for bundled rocket scaling model |
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| CN109911247A (en) * | 2019-03-13 | 2019-06-21 | 北京星际荣耀空间科技有限公司 | Rocket and its propellant tank |
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2019
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Patent Citations (7)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865821A (en) * | 2021-08-23 | 2021-12-31 | 北京强度环境研究所 | Ball head connection simulation assembly and wind load test device for bundled rocket scaling model |
| CN113865821B (en) * | 2021-08-23 | 2023-06-23 | 北京强度环境研究所 | Bulb connection simulation assembly and wind load test device for bundled rocket scaling model |
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| CN111173645B (en) | 2022-08-26 |
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