CN111520254A

CN111520254A - Parallel structure of multiple engines of rocket

Info

Publication number: CN111520254A
Application number: CN202010329068.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Beijing Deep Blue Space Technology Co ltd
Current assignee: Beijing Deep Blue Space Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-08-11

Abstract

The invention provides a parallel structure of a plurality of rocket engines, which comprises a rack and a plurality of engines, wherein the rack is arranged at the bottom of a rocket and used for fixing the heads of the engines; the heads of the engines are respectively fixed on the central hole and the peripheral holes.

Description

Parallel structure of multiple engines of rocket

Technical Field

The disclosure relates to the technical field of rockets, in particular to a multi-engine parallel structure of a rocket.

Background

The existing rocket adopts a single engine or four engines in parallel at the first stage, and the rocket adopting the single engine has higher requirement on the thrust of the engine, thereby increasing the difficulty in developing the engine; four engines are connected in parallel, and no engine is arranged at the central axis of the rocket, so that the recovery control of the rocket is not facilitated.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present disclosure provides a parallel structure of multiple engines of a rocket.

According to one aspect of the present disclosure, a rocket multiple engine parallel structure comprises: the rocket comprises a frame and a plurality of engines, wherein the frame is arranged at the bottom of the rocket and used for fixing the heads of the engines, the frame is provided with a positioning hole, the positioning hole comprises a central hole and a plurality of peripheral holes, the central hole is arranged at the center of the frame, and the peripheral holes are uniformly distributed at the periphery of the central hole; the heads of the engines are respectively fixed on the central hole and the peripheral holes.

According to at least one embodiment of the present disclosure, the plurality of engines includes a center engine and a plurality of peripheral engines, a head of the center engine is fixed to the center hole; the heads of the peripheral engines are respectively fixed on the peripheral holes.

According to at least one embodiment of the present disclosure, the center engine is mounted on the center hole in a manner of being bidirectionally swingable in a cross shape.

According to at least one embodiment of the present disclosure, the peripheral engine is mounted on the peripheral hole in a radially swingable manner.

According to at least one embodiment of this disclosure, parallelly connected structure still includes swing mechanism, swing mechanism includes the pivot, swing arm and servo motor, the pivot with servo motor connects, swing arm one end is located in the pivot, the other end connect in on the engine.

According to at least one embodiment of the present disclosure, the number of the peripheral holes is 4, 6 or 8, and accordingly, the number of the peripheral engines is 4, 6 or 8.

According to at least one embodiment of the present disclosure, the rack has a disk-shaped structure, the top of the rack has an arc curved surface structure, the central hole has a circular shape, and the plurality of peripheral holes have rounded rectangles; the peripheral holes are radially arranged on the periphery of the central hole.

According to this at least one embodiment of the disclosure, the frame still includes the strengthening rib, the strengthening rib includes first ring muscle, second ring muscle and radial muscle, first ring muscle is located the week of frame is followed, the second ring muscle is located the periphery of centre bore, it is a plurality of radial muscle is located respectively with radial form first ring muscle reaches between the second ring muscle, two liang of adjacent be equipped with one between the radial muscle the periphery hole.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural diagram in accordance with at least one embodiment of the present disclosure.

Fig. 2 is a schematic illustration of a rack structure according to at least one embodiment of the present disclosure.

Fig. 3 is a side view of a rack according to at least one embodiment of the present disclosure.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

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

As shown in fig. 1, the present disclosure provides a rocket multiple engine parallel structure comprising: the rocket comprises a frame 1 and a plurality of engines 2, wherein the frame 1 is arranged at the bottom of the rocket and used for fixing the heads of the engines 2, as shown in fig. 2 and 3, the frame 1 is provided with a positioning hole 11, the positioning hole comprises a central hole 111 and a plurality of peripheral holes 112, the central hole 111 is arranged at the center of the frame 1, and the peripheral holes 112 are uniformly arranged at the periphery of the central hole 111; the plurality of engines 2 comprise a central engine 21 and a plurality of peripheral engines 22, and the head of the central engine 21 is fixed on the central hole 111; the heads of the plurality of peripheral engines 22 are fixed to the plurality of peripheral holes 112, respectively. The multi-machine parallel technology is adopted, so that the thrust requirement of each engine is reduced; meanwhile, the engine is arranged on the central axis of the rocket, and the engines are arranged on the periphery of the rocket, so that the control of the recovery process is facilitated.

According to at least one embodiment of the present disclosure, the center motor 21 is attached to the center hole 111 in a manner of being bidirectionally swingable in a cross shape. The outer peripheral engine 22 is mounted to the outer peripheral hole 112 so as to be radially swingable. The swing mode can be realized through a swing mechanism (not shown), for example, the swing mechanism can include a rotating shaft, a swing arm and a servo motor, the rotating shaft is connected with the servo motor and driven by the servo motor to rotate, one end of the swing arm is connected with the rotating shaft, the other end of the swing arm is connected to the engine, and the rotating shaft drives the engine to swing through the swing arm. In the rocket recovery process, the course and the posture of the rocket body are adjusted by controlling the swinging of the engine, so that stable recovery is ensured. The swing mechanism is installed according to actual swing conditions, for example, 2 sets of swing mechanisms are installed on a center hole to respectively realize radial and tangential bidirectional swing, and 1 set of swing mechanism is installed on an outer peripheral hole of an engine needing to swing the outer periphery to realize radial swing.

According to at least one embodiment of the present disclosure, the number of the peripheral holes is 4, 6 or 8, and accordingly, the number of the peripheral engines is 4, 6 or 8. Preferably, a scheme of 9 engines is adopted, namely 1 central engine is arranged in the center, and 8 peripheral engines are uniformly distributed on the periphery of the central engine; the central engine is arranged on the central hole 111 in a radial or tangential bidirectional swinging mode, and key control force in the recovery process is provided through the bidirectional swinging central engine; 8 periphery engines are installed in 8 periphery holes, and 4 radial swing mechanism intervals set up on the periphery hole and be connected with 4 periphery engines respectively, through the unidirectional oscillation, provide the auxiliary control power of retrieving the in-process. The recovery capacity of the rocket is greatly improved by swinging the engine.

According to at least one embodiment of the present disclosure, as shown in fig. 2, the frame 1 has a disc-shaped structure, the top of the frame has an arc curved surface structure, the central hole 111 has a circular shape, and a plurality of the peripheral holes 112 have rounded rectangles; a plurality of the outer peripheral holes 112 are radially formed on the outer periphery of the central hole 111. Of course, the open-hole center hole and the outer peripheral hole can also play a role in reducing weight. Frame 1 is still including the strengthening rib 12 that is used for improving frame intensity, strengthening rib 12 includes first ring muscle 121, second ring muscle 122 and radial muscle 123, first ring muscle 121 is located the week of frame 1 is followed, second ring muscle 122 is located the periphery of centre bore 111 is a plurality of radial muscle 123 is located respectively with radial form first ring muscle 121 reaches between the second ring muscle 122, two liang adjacent be equipped with one between the radial muscle 123 the periphery hole 112. Compared with the traditional heavier frame structure, the frame structure disclosed by the invention is simple, light in weight and greatly improved in structural strength, and is particularly suitable for rockets.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims

1. A rocket multi-engine parallel structure is characterized by comprising a rack and a plurality of engines, wherein the rack is arranged at the bottom of a rocket and used for fixing the heads of the engines, the rack is provided with a positioning hole, the positioning hole comprises a central hole and a plurality of peripheral holes, the central hole is arranged at the center of the rack, and the peripheral holes are uniformly distributed at the periphery of the central hole; the heads of the engines are respectively fixed on the central hole and the peripheral holes.

2. The engine parallel structure according to claim 1, wherein the plurality of engines includes a center engine and a plurality of peripheral engines, a head portion of the center engine being fixed to the center hole; the heads of the peripheral engines are respectively fixed on the peripheral holes.

3. The engine parallel structure according to claim 2, wherein said center engine is mounted on said center hole in a manner of being swingable in both directions in a cross shape.

4. The engine parallel structure according to claim 2, wherein the peripheral engine is mounted on the peripheral hole in a radially swingable manner.

5. The engine parallel structure of claim 1, characterized in that the parallel structure further comprises a swing mechanism, the swing mechanism comprises a rotating shaft, a swing arm and a servo motor, the rotating shaft is connected with the servo motor, one end of the swing arm is arranged on the rotating shaft, and the other end of the swing arm is connected to the engine.

6. The engine parallel structure according to claim 2, wherein the number of the peripheral holes is 4, 6 or 8, and accordingly, the number of the peripheral engines is 4, 6 or 8.

7. The engine parallel structure according to claim 1, wherein the frame is a disk-shaped structure, the top of the frame is a circular arc curved surface structure, the central hole is a circle, and a plurality of the outer peripheral holes are round rectangles; the peripheral holes are radially arranged on the periphery of the central hole.

8. The engine parallel structure according to claim 1, wherein the frame further includes reinforcing ribs, the reinforcing ribs include a first annular rib, a second annular rib, and radial ribs, the first annular rib is provided at a peripheral edge of the frame, the second annular rib is provided at an outer periphery of the central hole, a plurality of the radial ribs are respectively provided between the first annular rib and the second annular rib in a radial manner, and a peripheral hole is provided between every two adjacent radial ribs.