CN218493694U - Connecting structure for bottom of rocket tank and engine - Google Patents
Connecting structure for bottom of rocket tank and engine Download PDFInfo
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- CN218493694U CN218493694U CN202222320198.4U CN202222320198U CN218493694U CN 218493694 U CN218493694 U CN 218493694U CN 202222320198 U CN202222320198 U CN 202222320198U CN 218493694 U CN218493694 U CN 218493694U
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Abstract
The utility model belongs to rocket storage tank and engine connection field, especially a rocket storage tank bottom of the case and connection structure of engine, the bottom of the case to current storage tank bottom of the case and connection structure of engine is the individual layer setting, and the structural strength of bottom of the case self is not high, and the adapting unit of bottom of the case and engine body is less, influences joint strength's problem, proposes following scheme now, and it includes rocket storage tank body, the top fixed mounting of rocket storage tank body has the bottom of the case that is used for connecting, there is the engine body at the top of the bottom of the case through coupling assembling fixed mounting, is equipped with on the bottom of the case to be used for increasing the outer thickening end of bottom of the case thickness, the utility model discloses compare conventional rocket storage tank and engine connection structure, through the mode promotion structural strength of thickening bottom of the case self, the rethread increases adapting unit quantity and the mode of engine body and bottom of the case, can further promote the reliability when engine body and the bottom of the case are connected.
Description
Technical Field
The utility model relates to a rocket tank bottom of the case and the technical field of being connected of engine especially relate to a connection structure of rocket tank bottom of the case and engine.
Background
The propellant storage tank comprises a tank bottom, also called a seal head, wherein the bottom of the tank bottom is divided into: hemispherical bases, ellipsoidal bases, conical bases, trifocal bases, and bases combined by curves from these bases.
The publication number is CN 209637903U's authorized document discloses a storage tank bottom of the case structure and the connection structure of storage tank bottom of the case and engine, improves the structural strength of the storage tank bottom of the case through setting up the enhancement skeleton for the bottom of the case can directly be connected with the engine, thereby can shorten rocket body's draw ratio, improves flight stability, and there is the following problem in the connection structure of this storage tank bottom of the case and engine: 1. the box bottom is arranged in a single layer, and the structural strength of the box bottom is not high; 2. the connecting parts of the box bottom and the engine body are fewer, so that the connecting strength is influenced; there is thus a need for a joint structure for a tank bottom of a rocket tank and an engine, which solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the bottom of the tank and the bottom of the tank of the connection structure of the engine are arranged in a single layer, the structural strength of the bottom of the tank is not high, the connecting parts of the bottom of the tank and the engine body are fewer, and the defects of the connection strength are influenced, so that the connection structure of the bottom of the tank and the engine of the rocket tank is provided.
In order to realize the purpose, the utility model adopts the following technical scheme:
a connecting structure of a rocket tank bottom and an engine comprises a rocket tank body, wherein the tank bottom for connection is fixedly arranged at the top of the rocket tank body;
the top of the box bottom is fixedly provided with an engine body through a connecting component;
the box bottom is provided with an outer thickened bottom for increasing the thickness of the box bottom, an inner thickened bottom for improving the structural strength of the box bottom and a reinforcing component fixedly arranged on the outer side of the box bottom and used for improving the structural strength of the box bottom are fixedly arranged in the outer thickened bottom in a sealing manner;
the strength improving component is fixedly arranged on the outer side of the engine body and used for improving the structural strength of the engine body, and the strength improving component is fixedly connected with the reinforcing component through an integrated component;
the butt joint component is fixedly installed on the outer side of the reinforcing component and used for butt joint.
Preferably, coupling assembling include fixed mounting in the flange seat that is used for connecting at bottom of the case top, the top fixed mounting of flange seat have with engine body fixed mounting's mounting flange, mounting flange's top locate be used for with three construction bolt that flange seat threaded connection's the equidistance annular was arranged.
Preferably, the reinforcing assembly comprises a reinforcing ring disc fixedly installed on the outer side of the box bottom and used for improving the structural strength of the box bottom, and a plurality of reinforcing columns which are annularly arranged at equal intervals and fixedly installed on the outer side of the box bottom are fixedly installed at the bottom of the reinforcing ring disc.
Preferably, the docking assembly comprises a connecting ring disk fixedly mounted at the top of the rocket tank body for docking, the inner ring of the connecting ring disk and the outer side of the tank bottom are fixedly mounted, and the bottoms of the plurality of reinforcing columns are fixedly mounted at the top of the connecting ring disk.
Preferably, the strength increasing assembly comprises an outer ring disc fixedly mounted on the outer side of the engine body and located right above the reinforcing ring disc, and a plurality of lifting columns which are annularly arranged are fixedly mounted on the top of the outer ring disc and fixedly mounted on the outer side of the engine body.
Preferably, integrative subassembly include fixed mounting in a plurality of positioning connection posts that are the annular and arrange at reinforcing ring dish top, the top of a plurality of positioning connection posts all extends to the top of outer ring dish and equal fixed mounting have and are used for the dead screw rod of lock, the equal threaded connection in the outside of a plurality of screw rods has and is used for right the spacing nut of screw rod.
In the utility model, the box bottom on the connecting structure of the rocket tank bottom and the engine comprises an outer layer thickened bottom and an inner layer bottom, the structural strength of the box bottom is improved in a mode of thickening the box bottom, and a plurality of reinforcing columns with curved surfaces arranged on the inner sides are arranged on the outer side of the box bottom, so that the structural strength of the box bottom can be further improved, and the connecting stability of the box bottom and the engine body is higher;
the engine body is installed on the box bottom through the installation flange and the connecting flange seat, and is butted through the outer ring disc, the positioning connecting column, the screw and the reinforcing ring disc, and the reliability of the engine body and the box bottom in connection can be further improved by increasing the number and the mode of connecting parts of the engine body and the box bottom;
the utility model discloses than conventional rocket tank and engine connection structure, promote the structural strength of the bottom of the case self through the mode of thickening the bottom of the case, rethread increases adapting unit quantity and the mode of the engine body and the bottom of the case, reliability when can further promote the engine body and the bottom of the case to be connected.
Drawings
FIG. 1 is a perspective view of a connecting structure for connecting the bottom of a rocket tank and an engine according to the present invention;
FIG. 2 is a perspective view of a bottom structure of a connecting structure for connecting the bottom of a rocket tank and an engine according to the present invention;
FIG. 3 is a perspective view of a positioning connection column structure of a connection structure between the bottom of a rocket tank and an engine according to the present invention;
fig. 4 is an enlarged schematic view of a part a in fig. 1 of a connection structure between the bottom of the rocket tank and the engine according to the present invention.
In the figure: 1. a rocket tank body; 2. the box bottom; 3. the outer layer is thickened; 4. an inner layer bottom; 5. a connecting ring disc; 6. a reinforcing ring disk; 7. a reinforcement column; 8. connecting a flange seat; 9. installing a flange; 10. installing a bolt; 11. an outer ring disc; 12. positioning a connecting column; 13. a screw; 14. a nut; 15. a lifting column; 16. an engine body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, a connecting structure of a rocket tank bottom and an engine comprises a rocket tank body 1, wherein a tank bottom 2 for connection is fixedly arranged at the top of the rocket tank body 1;
the top of the box bottom 2 is fixedly provided with an engine body 16 through a connecting component;
the box bottom 2 is provided with an outer thickened bottom 3 for increasing the thickness of the box bottom 2, an inner bottom 4 for improving the structural strength of the box bottom 2 and a reinforcing component fixedly arranged on the outer side of the box bottom 2 and used for improving the structural strength of the connecting box bottom 2 are fixedly arranged in the outer thickened bottom 3 in a sealing manner;
the strength improving component is fixedly arranged on the outer side of the engine body 16 and used for improving the structural strength of the engine body 16, and the strength improving component is fixedly connected with the reinforcing component through an integrated component;
the butt joint component is fixedly installed on the outer side of the reinforcing component and used for butt joint.
Example two
The improvement on the basis of the first embodiment: a connecting structure of a rocket tank bottom and an engine comprises a rocket tank body 1, wherein the rocket tank body 1 is cylindrical, a tank bottom 2 for connection is fixedly installed at the top of the rocket tank body 1, the tank bottom 2 is hemispherical, and the top and the bottom of the tank bottom 2 are both horizontally arranged;
the engine body 16 is fixedly mounted at the top of the tank bottom 2 through a connecting assembly, the connecting assembly comprises a connecting flange seat 8 which is fixedly mounted at the top of the tank bottom 2 and used for connection, the connecting flange seat 8 comprises a lower cylinder and an upper flange, a mounting flange 9 which is fixedly mounted with the engine body 16 is fixedly mounted at the top of the connecting flange seat 8, three mounting bolts 10 which are equidistantly and annularly arranged and used for being in threaded connection with the connecting flange seat 8 are arranged at the top of the mounting flange 9, and the mounting flange 9 and the connecting flange seat 8 are fixed through the three mounting bolts 10;
the box bottom 2 is provided with an outer thickened bottom 3 used for increasing the thickness of the box bottom 2, the inner thickened bottom 3 is internally and fixedly sealed and provided with an inner bottom 4 used for improving the structural strength of the box bottom 2, and a reinforcing component fixedly arranged on the outer side of the box bottom 2 and used for improving the structural strength of the box bottom 2, the reinforcing component comprises a reinforcing ring plate 6 fixedly arranged on the outer side of the box bottom 2 and used for improving the structural strength of the box bottom 2, the reinforcing ring plate 6 can improve the strength of the box bottom 2, the bottom of the reinforcing ring plate 6 is fixedly provided with a plurality of reinforcing columns 7 which are fixedly arranged with the outer side of the box bottom 2 in an equidistant annular arrangement, and the inner sides of the reinforcing columns 7 are arranged in an arc shape;
the strength improving component comprises an outer ring disc 11 which is fixedly arranged on the outer side of an engine body 16 and used for improving the structural strength of the engine body 16, the strength improving component comprises an outer ring disc 11 which is fixedly arranged on the outer side of the engine body 16 and is positioned right above a reinforcing ring disc 6, the diameter of the outer ring disc 11 is the same as that of a connecting ring disc 5, a plurality of lifting columns 15 which are fixedly arranged on the top of the outer ring disc 11 and are fixedly arranged on the outer side of the engine body 16 in an annular arrangement mode, the strength improving component is fixedly connected with the reinforcing component through an integrated component, the integrated component comprises a plurality of positioning connecting columns 12 which are fixedly arranged on the top of the reinforcing ring disc 6 in an annular arrangement mode, the positioning connecting columns 12 are vertically arranged and play a positioning role, the tops of the plurality of positioning connecting columns 12 extend to the upper side of the outer ring disc 11 and are fixedly provided with screw rods 13 used for locking, the outer sides of the plurality of the screw rods 13 are in threaded connection with screw caps 14 used for limiting the screw rods 13, and the screw rods 13 and the screw caps 14 play a fixing role;
the joint component comprises a connecting ring disc 5 which is fixedly installed at the top of the rocket tank body 1 and is used for butt joint, the connecting ring disc 5, the reinforcing ring disc 6 and the outer ring disc 11 are integrally arranged, the inner ring of the connecting ring disc 5 and the outer side of the tank bottom 2 are fixedly installed, and the bottoms of the reinforcing columns 7 are fixedly installed with the top of the connecting ring disc 5.
However, as is well known to those skilled in the art, the rocket tank body 1, the engine body 16 and the tank bottom 2 are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The utility model discloses in, rocket storage tank body 1 and the bottom of the case 2 integral type setting, still seted up on outer ring dish 11 with the supporting locating hole of positioning connection post 12, during installation engine body 16, at first pass the locating hole that corresponds with a plurality of positioning connection posts 12, the through-hole on mounting flange 9 and the flange seat 8 at this moment just can correspond together, recycle mounting bolt 10 with mounting flange 9 and 8 fixed connection of flange seat together, at last screw cap 14 is screwed in the outside of a plurality of screw rods 13, when screw cap 14 screws, screw cap 14's bottom just with outer ring dish 11's top closely laminating together, assembly efficiency is higher.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a connection structure of rocket tank bottom and engine, includes rocket tank body (1), the top fixed mounting of rocket tank body (1) has the bottom of the case (2) that are used for connecting, its characterized in that:
the top of the box bottom (2) is fixedly provided with an engine body (16) through a connecting component;
the box bottom (2) is provided with an outer thickened bottom (3) used for increasing the thickness of the box bottom (2), an inner layer bottom (4) used for improving the structural strength of the box bottom (2) is fixedly installed in the outer thickened bottom (3) in a sealing mode, and a reinforcing component fixedly installed on the outer side of the box bottom (2) and used for improving the structural strength of the box bottom (2) in a connecting mode;
the strength improving component is fixedly arranged on the outer side of the engine body (16) and used for improving the structural strength of the engine body (16), and is fixedly connected with the reinforcing component through an integral component;
the butt joint component is fixedly installed on the outer side of the reinforcing component and used for butt joint.
2. A connection structure for a bottom of a rocket tank and an engine as claimed in claim 1, wherein said connection assembly comprises a connection flange seat (8) fixedly mounted on the top of said bottom (2) for connection, a mounting flange (9) fixedly mounted on the top of said connection flange seat (8) and fixedly mounted on said engine body (16), and three mounting bolts (10) arranged in an equidistant ring shape for being in threaded connection with said connection flange seat (8) are provided on the top of said mounting flange (9).
3. A rocket tank bottom and engine connection structure according to claim 1, characterized in that said reinforcement component comprises a reinforcement ring disk (6) fixedly installed on the outside of said tank bottom (2) for improving the structural strength of said tank bottom (2), the bottom of said reinforcement ring disk (6) is fixedly installed with a plurality of reinforcement columns (7) which are fixedly installed on the outside of said tank bottom (2) and are arranged in an equidistant ring shape.
4. A connecting structure of a rocket tank bottom and an engine according to any one of claims 1-3, characterized in that said docking assembly comprises a connecting ring disk (5) fixedly mounted on the top of the rocket tank body (1) for docking, the inner ring of said connecting ring disk (5) and the outer side of the tank bottom (2) are fixedly mounted, and the bottoms of a plurality of reinforcing columns (7) are fixedly mounted with the top of the connecting ring disk (5).
5. A rocket tank bottom and engine connection structure according to claim 3, wherein said strength-enhancing assembly comprises an outer ring disk (11) fixedly mounted on the outside of said engine body (16) and located right above said reinforcing ring disk (6), and a plurality of annularly arranged elevating columns (15) fixedly mounted on the top of said outer ring disk (11) and outside of said engine body (16) are fixedly mounted.
6. A rocket tank bottom and engine connection structure according to claim 5, characterized in that said integral assembly comprises a plurality of positioning connection columns (12) arranged in a ring shape and fixedly mounted on the top of said reinforcing ring plate (6), the tops of said positioning connection columns (12) all extend to the top of said outer ring plate (11) and are fixedly mounted with screws (13) for locking, and the outer sides of said screws (13) are all in threaded connection with nuts (14) for limiting said screws (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320198.4U CN218493694U (en) | 2022-09-01 | 2022-09-01 | Connecting structure for bottom of rocket tank and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320198.4U CN218493694U (en) | 2022-09-01 | 2022-09-01 | Connecting structure for bottom of rocket tank and engine |
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| Publication Number | Publication Date |
|---|---|
| CN218493694U true CN218493694U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222320198.4U Active CN218493694U (en) | 2022-09-01 | 2022-09-01 | Connecting structure for bottom of rocket tank and engine |
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| Country | Link |
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| CN (1) | CN218493694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211993A (en) * | 2023-09-25 | 2023-12-12 | 北京天兵科技有限公司 | Engine thrust bearing type conical storage box |
-
2022
- 2022-09-01 CN CN202222320198.4U patent/CN218493694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211993A (en) * | 2023-09-25 | 2023-12-12 | 北京天兵科技有限公司 | Engine thrust bearing type conical storage box |
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