Square reaction flywheel for flat plate stacked satellite

Abstract

The utility model relates to a square reaction flywheel for a flat plate stacked satellite, which relates to the technical field of spacecraft attitude control and comprises a base and a shell. The base is in a square plate shape, square grooves are formed in the four corners of the base, and through mounting holes are formed in the bottoms of the square grooves; the whole shell is in a cuboid shape, extension plates are arranged at the four corners of the bottom of the shell, and square notches matched with the square grooves are formed in the extension plates. The shell is connected to the base, and the square notch is aligned with the square groove. The flywheel has the advantages that the mounting holes are formed in four corners of the base and can be operated by overlooking without inverting the flywheel, so that the mounting efficiency is remarkably improved; potential safety hazards in the inverted installation process are avoided, and the risk to operators is reduced; the square structure is highly matched with the internal layout of the satellite, and compact design is facilitated; complex operation is not needed during disassembly and maintenance, and the maintenance cost and time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to space vehicle attitude control technical field, in particular to a square reaction flywheel for flat stack satellite. BACKGROUND

[0002] Reaction flywheel is the key component of satellite attitude control system, and the rotation of flywheel produces angular momentum to adjust the attitude of satellite.

[0003] Traditional reaction flywheel is mostly cylindrical structure, and its installation mode has the following problems:

[0004] 1. inconvenient installation: the mounting hole of traditional circular flywheel is located below the base, and the flywheel needs to be inverted during installation, and then turned back to the normal position after aligning the mounting point of the satellite machine, which is complicated and easy to cause damage to the flywheel or satellite structure;

[0005] 2. low space utilization: the circular flywheel needs to reserve a large operation space during installation, which is not conducive to the compact design of the internal structure of the satellite;

[0006] 3. high risk of manual operation: during the inverted installation process, the weight and inertia of the flywheel may cause safety hazards to the operator.

[0007] The foregoing narrative is to provide general background information, which may not constitute the prior art. CONTENT OF THE UTILITY MODEL

[0008] The utility model aims at providing a square reaction flywheel for flat stack satellite, which is convenient to install, safe to operate, high in space utilization and convenient to maintain.

[0009] The utility model provides a square reaction flywheel for flat stack satellite, which comprises a base and a shell, the base is square plate-shaped, square grooves are arranged at the four corners of the base, and mounting holes are arranged at the bottom of the square grooves; the shell is overall cuboid-shaped, extension plates are arranged at the four corners of the bottom of the shell, and square notches matched with the square grooves are arranged on the extension plates; the shell is connected to the base, and the square notches are aligned with the square grooves.

[0010] By adopting the above technical scheme, the square reaction flywheel is placed on the installation platform of the satellite machine during installation; the mounting holes at the four corners of the base are aligned with the mounting points on the satellite machine through the top view; the flywheel is fixed from above by using bolts or fasteners, and the installation is completed.

[0011] Further, connecting holes are arranged on the extension plate at two side edges of the square notch, bolt holes matched with the connecting holes are arranged on the base at two side edges of the square groove; the shell is placed on the base, bolts are connected through the connecting holes and the bolt holes to connect the shell and the base.

[0012] Further, the shell and the base are made of metal material.

[0013] The square reaction flywheel for flat stacked satellite of the utility model is placed horizontally on the installation platform of the satellite when installation; the installation holes on the four corners of the base are aligned with the installation points on the satellite; the flywheel is fixed from above by using bolts or fasteners to complete installation; the shell and the base are square in design, which is convenient for matching with the internal structure of the satellite, square grooves are arranged respectively at the four corners of the square base, installation holes are arranged in the square grooves, the installation holes are matched with the installation points on the satellite, the installation holes are directed upward, and the staff can directly see and operate through the square notch under the condition of looking down; the flywheel is placed horizontally on the satellite, and is fixed from above by using bolts or fasteners, without the need of inverting the flywheel; compared with the traditional circular flywheel, the installation holes are arranged at the four corners of the base, and the staff can operate under the condition of looking down, which is simple and safe in installation; the right-angle edges of the square flywheel can be closely matched with the internal structure of the satellite, improving the space utilization rate; a plurality of square flywheels can be installed side by side, further optimizing the internal layout of the satellite. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure schematic view of the square reaction flywheel for flat stacked satellite is provided.

[0015] Figure 2 The structure schematic view of the square reaction flywheel for flat stacked satellite is provided. Figure 1 The structure schematic view of the square reaction flywheel for flat stacked satellite is provided.

[0016] Figure 3 The structure schematic view of the square reaction flywheel for flat stacked satellite is provided. Figure 1 The structure schematic view of the square reaction flywheel for flat stacked satellite is provided.

[0017] The reference signs and components involved in the drawings are as follows:

[0018] 100, base

[0019] 110, square groove

[0020] 120, installation hole

[0021] 130, bolt hole

[0022] 200, shell

[0023] 210. Extension plate

[0024] 220. Square notch

[0025] 230. Connecting hole Detailed Implementation

[0026] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0027] The terms "first," "second," "third," "fourth," etc., used in the specification and claims of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0028] Example 1

[0029] Figure 1 This is a schematic diagram of the square reaction flywheel for flat-panel stacked satellites provided in an embodiment of the present invention. Figure 2 for Figure 1 A schematic diagram of a square reaction flywheel used for flat-panel satellite stacking. Figure 3 for Figure 1 A schematic diagram showing the disassembled structure of the square reaction flywheel used in flat-panel satellite stacking. Please refer to... Figure 1 , Figure 2 , Figure 3 The square reaction flywheel for flat-panel stacked satellites provided in this embodiment includes a base 100 and a housing 200. The base 100 is square plate-shaped, with square grooves 110 at each of the four corners and through mounting holes 120 at the bottom of each square groove 110. The housing 200 is generally cuboid in shape, with extension plates 210 at each of the four corners of the bottom of the housing 200. Square notches 220 that mate with the square grooves 110 are provided on the extension plates 210. The housing 200 is connected to the base 100, and the square notches 220 and the square grooves 110 are aligned.

[0030] It should be noted that when installing the square reaction flywheel of this utility model, the square reaction flywheel is placed flat on the installation platform of the satellite; the mounting holes 120 at the four corners of the base 100 are aligned with the mounting points on the satellite through a top-down view; the flywheel is fixed from above using bolts or fasteners to complete the installation.

[0031] The square reaction flywheel of the utility model, the right angle edge of square flywheel can be closely combined with the internal structure of satellite, improve space utilization; a plurality of square flywheel can be installed side by side and stacked, further optimize the internal layout of satellite.

[0032] The square reaction flywheel of the utility model, the right angle edge of square flywheel can be closely combined with the internal structure of satellite, improve space utilization; a plurality of square flywheel can be installed side by side and stacked, further optimize the internal layout of satellite.

[0033] Further referring to Figure 3 The shell 200 is placed on the base 100, the bolt passes through the connecting hole 230 and the bolt hole 130 and is connected, and the shell 200 and the base 100 are connected.

[0034] Further, the shell 200 and the base 100 are made of metal material.

[0035] It should be noted that the metal material is a high-strength metal material.

[0036] Based on the above description, the utility model has the advantages of:

[0037] 1. The square reaction flywheel for flat stack satellite of the utility model is convenient to install: the mounting hole is located at the four corners of the base, and the flywheel can be operated by looking down without inverting, which significantly improves the installation efficiency.

[0038] 2. The square reaction flywheel for flat stack satellite of the utility model is safe to operate: the safety hazard in the inversion installation process is avoided, and the risk to the operator is reduced.

[0039] 3. The square reaction flywheel for flat stack satellite of the utility model has high space utilization: the square structure has high matching degree with the internal layout of satellite, which is convenient for compact design.

[0040] 4. The square reaction flywheel for flat stack satellite of the utility model is convenient to maintain: no complex operation is needed when disassembling and maintaining, which reduces the maintenance cost and time.

[0041] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A square reaction flywheel for a flat panel stacked satellite, characterized by, It includes a base (100) and a shell (200); the base (100) is square plate, square recesses (110) are arranged at four corners of the base (100), and mounting holes (120) are arranged at the bottom of the square recesses (110); The shell (200) is cuboid, extension plates (210) are arranged at four corners of the bottom of the shell (200), and square notches (220) matched with the square recesses (110) are arranged on the extension plates (210); The shell (200) is connected to the base (100), and the square notches (220) are aligned with the square recesses (110).

2. A square reaction flywheel for a flat panel stacked satellite according to claim 1, characterized in that, Connecting holes (230) are arranged on the extension plates (210) at two side edges of the square notches (220), and bolt holes (130) matched with the connecting holes (230) are arranged on the base (100) at two side edges of the square recesses (110); The shell (200) is placed on the base (100), bolts are connected through the connecting holes (230) and the bolt holes (130), and the shell (200) and the base (100) are connected.

3. A square reaction flywheel for a flat panel stacked satellite according to claim 1, wherein The shell (200) and the base (100) are made of metal material.

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