CN212023033U

CN212023033U - Storage tank supporting structure and double-component power system with same

Info

Publication number: CN212023033U
Application number: CN202020554862.XU
Authority: CN
Inventors: 孙夺; 王明哲; 郭利明; 刘业奎; 李文鹏; 邓智勇; 余鹏; 田蜜; 杨海峰; 李娜
Original assignee: Beijing Aerospace Propulsion Technology Co ltd
Current assignee: Beijing Aerospace Propulsion Technology Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-11-27
Anticipated expiration: 2030-04-15

Abstract

The utility model provides a storage tank supporting structure of two component driving system. The tank support structure includes: a bracket body including an oxidant tank mounting portion and a fuel tank mounting portion; a fluid delivery line integrally disposed on the stent body to deliver fluid to or from the oxidant and fuel reservoirs. The utility model discloses in with the integrated setting of fluid conveying pipeline on the support body, can be integrated as an organic whole with the installation of oxidant storage tank and fuel storage tank, support, gas flow way and liquid flow way, solved oxidant storage tank and fuel storage tank installation part pipeline and connect more, the reliability is lower, the inconvenient problem of installation maintenance.

Description

Storage tank supporting structure and double-component power system with same

Technical Field

The utility model relates to a spacecraft technical field particularly, relates to a storage tank bearing structure and have its two group's driving system.

Background

The space orbit attitude control engine is widely applied to the upper stage of rockets and satellites and is the key point for whether a flight task is successful or not. With the vigorous development of aerospace industry, the two-component orbital attitude control power system has the advantages of high precision, high specific impulse, multiple starting, wide thrust range and the like, and is widely applied to the aerospace field.

In the prior art, a storage tank of a two-component power system engine is mostly fixed by a mounting bracket, gas and propellant are conveyed through pipelines, and the number of the pipelines and joints is large, so that the system is complex, the reliability is low, and the installation and maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a two group's driving system's storage tank bearing structure to solve among the prior art storage tank installation part pipeline and connect more, the reliability is lower, the inconvenient problem of installation maintenance.

In order to achieve the above object, according to one aspect of the present invention, there is provided a tank supporting structure including: a bracket body including an oxidant tank mounting portion and a fuel tank mounting portion; a fluid delivery line integrally disposed on the stent body to deliver fluid to or from the oxidant and fuel reservoirs.

Further, the support body is a cylindrical frame structure, the fuel tank installation part is arranged at a first end of the cylindrical frame structure, and the oxidant tank installation part is arranged at a second end of the cylindrical frame structure.

Further, the cylindrical frame structure includes: a first end ring and a second end ring, the first end ring and the second end ring being located at respective ends of the cylindrical frame structure, the first end ring forming the fuel tank mount and the second end ring forming the oxidant tank mount; and four support columns are supported between the first end ring and the second end ring, one end of the first support column close to the first end ring extends out of the first end ring, one end of the first support column close to the second end ring extends out of the second end ring, the other ends of the second support column and the third support column close to the second end ring extend out of the second end ring, and the fluid conveying pipeline is integrated on the support columns.

Further, the fluid delivery line comprises: the extrusion gas channel is arranged inside the first supporting column and extends from the first end to the second end of the first supporting column, wherein the end part of the first end of the first supporting column is provided with an extrusion gas inlet and a first extrusion gas outlet which are communicated with the extrusion gas channel, and the first extrusion gas outlet is connected with the fuel storage tank; and a second extrusion gas outlet communicated with the extrusion gas flow channel is formed in the end part of the second end of the first supporting column, and the second extrusion gas outlet is connected with the oxidant storage tank.

Further, the fluid delivery line further comprises: an oxidant flow channel disposed inside a second one of the support columns and extending from a middle portion of the second one of the support columns toward a direction near the second end ring, wherein a first end of the oxidant flow channel is provided with an oxidant inlet connected to the oxidant tank; and the second end of the oxidant flow channel is provided with an oxidant outlet.

Further, the fluid delivery line further comprises: a fuel flow passage disposed inside a second support column and extending from a middle portion of the second support column toward a direction close to the second end ring, wherein a first end of the fuel flow passage is provided with a fuel inlet connected to the fuel tank; the second end of the fuel flow passage is provided with a fuel outlet.

Further, the first end ring and the second end ring are circular rings, elliptical rings or polygonal rings.

Further, the fluid conveying pipeline is embedded in the supporting column or integrally formed in the supporting column.

Further, the cross section of the fluid conveying pipeline is circular or elliptical or polygonal.

According to another aspect of the present invention, there is provided a two-component power system, comprising a tank support structure, the tank support structure being the above-mentioned tank support structure.

Use the technical scheme of the utility model, the utility model discloses in with the integrated setting of fluid conveying pipeline on the support body, can be integrated as an organic whole with the installation of oxidant storage tank and fuel storage tank, support, gas flow way and liquid flow way, solved oxidant storage tank and fuel storage tank installation part pipeline and connect more, the reliability is lower, the inconvenient problem of installation maintenance.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

FIG. 1 schematically illustrates a front view of a fuel tank and an oxidant tank of the present invention as mounted on a tank support structure;

FIG. 2 schematically illustrates a perspective view of a tank support structure of the present invention;

FIG. 3 schematically illustrates a first cross-sectional view of a tank support structure of the present invention;

fig. 4 schematically illustrates a second cross-sectional view of the tank support structure of the present invention.

Wherein the figures include the following reference numerals:

10. a stent body; 11. a first end ring; 12. a second end ring; 13. a support pillar; 14. an oxidant storage tank mounting section; 15. a fuel tank mounting section; 30. extruding the gas flow channel; 31. an extrusion gas inlet; 32. a first extrusion gas outlet; 33. a second extrusion gas outlet; 40. an oxidant flow channel; 41. an oxidant inlet; 42. an oxidant outlet; 50. a fuel flow passage; 51. a fuel inlet; 52. a fuel outlet; 60. a fuel storage tank; 70. an oxidant storage tank; 80. a conduit.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Referring to fig. 1 to 4, according to an embodiment of the present invention, there is provided a tank supporting structure including a bracket body 10 and a fluid transfer line.

The bracket body 10 comprises an oxidant storage tank mounting part 14 and a fuel storage tank mounting part 15, and when in actual use, the oxidant storage tank 70 is mounted at the oxidant storage tank mounting part 14, and correspondingly, the fuel storage tank 60 is mounted at the fuel storage tank mounting part 15; in the actual manufacturing process, fluid delivery lines are integrally provided on the stent body 10 to deliver fluid to the oxidizer tank 70 and the fuel tank 60 or to output fluid inside the oxidizer tank 70 and the fuel tank 60.

The utility model discloses in with the integrated setting of fluid conveying pipeline on support body 10, can be integrated as an organic whole with the installation of oxidant storage tank 70 and fuel storage tank 60, support, gas flow channel and liquid flow channel, solved oxidant storage tank 70 and fuel storage tank 60 installation part pipeline and connect more, the reliability is lower, the inconvenient problem of installation maintenance.

Referring to fig. 1, the holder body 10 in the present embodiment has a cylindrical frame structure, with a fuel tank mount 15 provided at a first end of the cylindrical frame structure, and an oxidant tank mount 14 provided at a second end of the cylindrical frame structure. The fuel storage tank 60 is mounted on the fuel storage tank mounting portion 15, and then the oxidant storage tank 70 is mounted on the oxidant storage tank mounting portion 14, and the fuel storage tank 60 and the oxidant storage tank 70 are respectively displaced from both ends of the stent body 10, so that the structure is compact, and the layout is reasonable.

Specifically, the cylindrical frame structure in the present embodiment includes a first end ring 11, a second end ring 12, and a support column 13, wherein the first end ring 11 and the second end ring 12 are respectively located at two ends of the cylindrical frame structure, the first end ring 11 forms a fuel tank mounting portion 15, the second end ring 12 forms an oxidant tank mounting portion 14, and when actually installed, the fuel tank 60 and the oxidant tank 70 are both mounted on the first end ring 11 and the second end ring 12 by bolts or by snapping or welding, which is simple in structure and easy to install. In actual processing, the outer peripheries of the fuel tank 60 and the oxidizer tank 70 are provided with structures such as flanges or outer flanges, which facilitate the mounting of the fuel tank 60 and the oxidizer tank 70.

During machining, four supporting columns 13 are supported between the first end ring 11 and the second end ring 12, one end, close to the first end ring 11, of each first supporting column 13 extends out of the first end ring 11, one end, close to the second end ring 12, of each first supporting column 13 extends out of the second end ring 12, one ends, close to the second end ring 12, of each second supporting column 13 and one end, close to the second end ring 12, of each third supporting column 13 extend out of the second end ring 12, and the fluid conveying pipeline is integrated on the supporting columns 13, so that the fluid conveying pipeline is simple in structure and convenient to.

Referring again to fig. 1 to 4, the fluid conveying pipeline in the present embodiment includes an extrusion gas flow channel 30, the extrusion gas flow channel 30 is disposed inside the first support column 13 and extends from the first end to the second end of the first support column 13, wherein the first end of the first support column 13 is provided with an extrusion gas inlet 31 and a first extrusion gas outlet 32, which are communicated with the extrusion gas flow channel 30, and the first extrusion gas outlet 32 is connected to the fuel tank 60; the second end of the first supporting column 13 is provided with a second extrusion gas outlet 33 communicated with the extrusion gas channel 30, and the second extrusion gas outlet 33 is connected with the oxidant storage tank 70 to facilitate the fluid transportation.

Specifically, the extrusion gas inlet 31 in the present embodiment is provided on the end surface of the first support column 13, and is externally connected by a pipe connection, and the extrusion gas enters the fuel tank 60 and the oxidizer tank 70 through a pressure reducing valve. When the fuel storage tank 60 and the oxidant storage tank 70 are mounted, the mounting surfaces of the fuel storage tank 60 and the oxidant storage tank 70 have the same size and shape and the mounting positions of the storage tanks, and are all bolted, and of course, in other embodiments of the present invention, the fuel storage tank 60 and the oxidant storage tank 70 can be mounted on the cylindrical frame structure by welding or clamping.

The fluid transfer conduit in this embodiment further comprises an oxidant flow channel 40, the oxidant flow channel 40 is disposed inside the second support column 13 and extends from the middle of the second support column 13 towards the direction close to the second end ring 12, wherein the first end of the oxidant flow channel 40 is provided with an oxidant inlet 41, and the oxidant inlet 41 is connected to the oxidant reservoir 70 through a conduit 80; the second end of the oxidant flow passage 40 is provided with an oxidant outlet 42 to facilitate delivery of oxidant to the thrust chamber.

The fluid delivery pipe further comprises a fuel flow passage 50, the fuel flow passage 50 is arranged inside the second support column 13 and extends from the middle of the second support column 13 to the direction close to the second end ring 12, wherein the first end of the fuel flow passage 50 is provided with a fuel inlet 51, and the fuel inlet 51 is connected with the fuel tank 60 through a conduit 80 to facilitate the delivery of the fluid; the second end of the fuel flow passage 50 is provided with a fuel outlet 52 for facilitating delivery of fuel to the thrust chamber.

In the actual process, the first end ring 11 and the second end ring 12 may be configured as circular rings, elliptical rings or polygonal rings.

Preferably, the fluid conveying pipeline in the embodiment can be embedded in the supporting column 13, and can also be integrally formed in the supporting column 13, so that the structure is simple, stable and reliable.

Preferably, the fluid transport conduit is circular or elliptical or polygonal in cross-section.

In actual operation, the extrusion gas enters the extrusion gas channel 30 through the extrusion gas inlet 31, and is divided into two paths along the extrusion gas channel 30 to respectively reach the first extrusion gas outlet 32, the extrusion gas enters the fuel storage tank 60 and the oxidizer storage tank 70 through the one-way valve, so that the liquid propellant in the storage tank is extruded out, and then enters the oxidizer channel 40 and the fuel channel 50 through the oxidizer inlet 41 and the fuel inlet 51, respectively, and then reaches the oxidizer outlet 42 and the fuel outlet 52 along the oxidizer channel 40 and the fuel channel 50, and the oxidizer and the fuel enter the thrust chamber through the valve to be combusted to generate thrust.

According to another aspect of the present invention there is provided a two-component power system comprising a tank support structure as in the above embodiments.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the storage tank supporting structure and the double-component power system with the same integrate storage tank support, a gas flow channel and a liquid flow channel, and solve the problems that pipelines and joints of a storage tank mounting part are more, the reliability is lower, and the mounting and maintenance are inconvenient. The layout is more compact, the quality is effectively reduced, the reliability is obviously improved, and the device has good applicability to the two-component liquid attitude and orbit control engine.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tank support structure, comprising:

a bracket body (10), the bracket body (10) including an oxidant tank mounting portion (14) and a fuel tank mounting portion (15);

a fluid delivery line integrally disposed on the stent body (10) to deliver fluid to or from the oxidant and fuel reservoirs (70, 60).

2. A tank support structure according to claim 1, wherein the cradle body (10) is a cylindrical frame structure, the fuel tank mount (15) being provided at a first end of the cylindrical frame structure and the oxidant tank mount (14) being provided at a second end of the cylindrical frame structure.

3. The tank support structure of claim 2, wherein the cylindrical frame structure comprises:

a first end ring (11) and a second end ring (12), the first end ring (11) and the second end ring (12) being located at respective ends of the cylindrical frame structure, the first end ring (11) forming the fuel tank mount (15) and the second end ring (12) forming the oxidant tank mount (14);

and the four supporting columns (13) are supported between the first end ring (11) and the second end ring (12), one end of the first supporting column (13) close to the first end ring (11) extends out of the first end ring (11), one end of the first supporting column (13) close to the second end ring (12) extends out of the second end ring (12), the other ends of the second supporting column (13) and the third supporting column (13) close to the second end ring (12) extend out of the second end ring (12), and the fluid conveying pipeline is integrated on the supporting columns (13).

4. The tank support structure of claim 3, wherein the fluid transfer line comprises:

an extrusion gas flow channel (30), the extrusion gas flow channel (30) being disposed inside a first one of the support columns (13) and extending from a first end to a second end of the first one of the support columns (13), wherein,

the first end part of the first supporting column (13) is provided with an extrusion gas inlet (31) and a first extrusion gas outlet (32) which are communicated with the extrusion gas flow channel (30), and the first extrusion gas outlet (32) is connected with the fuel storage tank (60);

and a second extrusion gas outlet (33) communicated with the extrusion gas flow channel (30) is formed in the end part of the second end of the first supporting column (13), and the second extrusion gas outlet (33) is connected with the oxidant storage tank (70).

5. The tank support structure of claim 3, wherein the fluid transfer line further comprises:

an oxidant flow channel (40), said oxidant flow channel (40) being disposed inside a second one of said support columns (13) and extending from a middle of said second one of said support columns (13) towards a direction approaching said second end ring (12), wherein,

the first end of the oxidant runner (40) is provided with an oxidant inlet (41), and the oxidant inlet (41) is connected with the oxidant storage tank (70);

and the second end of the oxidant flow channel (40) is provided with an oxidant outlet (42).

6. The tank support structure of claim 3, wherein the fluid transfer line further comprises:

a fuel flow channel (50), the fuel flow channel (50) being disposed inside a second one of the support columns (13) and extending from a middle of the second one of the support columns (13) toward a direction close to the second end ring (12), wherein,

a fuel inlet (51) is arranged at the first end of the fuel flow channel (50), and the fuel inlet (51) is connected with the fuel storage tank (60);

the second end of the fuel flow passage (50) is provided with a fuel outlet (52).

7. A tank support structure according to claim 3, wherein the first end ring (11) and the second end ring (12) are circular rings or elliptical rings or polygonal rings.

8. A tank support structure according to claim 3, wherein the fluid transfer conduit is embedded within the support column (13) or is integrally formed within the support column (13).

9. A tank support structure according to any one of claims 1 to 8, wherein the fluid transfer lines are circular or elliptical or polygonal in cross-section.

10. A two-component power system comprising a tank support structure, wherein the tank support structure is as claimed in any one of claims 1 to 9.