CN111963628A - Flywheel body - Google Patents

Flywheel body Download PDF

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Publication number
CN111963628A
CN111963628A CN202010759785.6A CN202010759785A CN111963628A CN 111963628 A CN111963628 A CN 111963628A CN 202010759785 A CN202010759785 A CN 202010759785A CN 111963628 A CN111963628 A CN 111963628A
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China
Prior art keywords
rim
positioning
hub
spokes
spoke
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Granted
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CN202010759785.6A
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CN111963628B (en
Inventor
张致远
张振潮
杨虎
谢鹏飞
铁晓艳
李彦
徐俊
柴灵芝
郑向凯
渠书文
杨林
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Luoyang Bearing Research Institute Co Ltd
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Luoyang Bearing Research Institute Co Ltd
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Priority to CN202010759785.6A priority Critical patent/CN111963628B/en
Publication of CN111963628A publication Critical patent/CN111963628A/en
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Publication of CN111963628B publication Critical patent/CN111963628B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/30Flywheels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

The invention relates to a flywheel mass, comprising: the wheel comprises a hub, spokes and a rim, wherein the spokes are connected between the hub and the rim; the hub and/or the rim are fixedly connected with the corresponding ends of the spokes through fasteners; the hub and/or the spokes are made of damping materials so as to reduce the vibration acceleration of the rim; the wheel hub and/or the wheel rim are/is provided with positioning grooves, and the end part of the spoke is provided with a positioning head; or the hub and/or the rim are/is provided with positioning heads, and the end part of the spoke is provided with a positioning groove; the positioning head is arranged in the positioning groove and is in positioning fit with the positioning groove along the axial direction of the flywheel body; the bottom of the positioning groove and the side surface of the corresponding positioning head are both arc-shaped surfaces, and the rotation center line of the arc-shaped surfaces is superposed with the axis of the flywheel body; at least one side of the circumference of the positioning groove is provided with an opening, the opening side is provided with an avoiding space, and the avoiding space is used for allowing spokes to be axially arranged in the wheel rim along the flywheel body so as to enable the positioning head to be arranged in the corresponding positioning groove through the rotation of the opening. The axial assembly precision of the flywheel body can be improved.

Description

Flywheel body
Technical Field
The invention relates to a flywheel body.
Background
The flywheel body is an inertia execution part in a spacecraft attitude control system, the flywheel body inevitably generates resonance in the satellite launching process, a large load is applied to the flywheel body and a bearing, the spoke breakage and the bearing damage are possible to be caused, and if the size of the bearing and the flywheel body is not required to be increased, the vibration amplification factor of the outer side of the flywheel body during vibration must be reduced.
In order to reduce the vibration amplification factor of the flywheel body, an unloading device or a damping device is usually added on the flywheel body, and the elastic limiting unloading device is arranged on a wheel rim in the flywheel body to reduce the resonance load born by a spoke and a bearing part in the resonance process; the latter adopts a damper device arranged on a spoke or a rim, such as a flywheel body disclosed in the invention patent with the publication number of CN101187410B, the flywheel body adopts a part of fixing a damping ring on the rim, and the like, and because the damping ring is made of a material with high damping coefficient, the damping device can absorb the resonance energy of the flywheel body, thereby achieving the purpose of reducing the vibration amplification coefficient of the flywheel body. The two damping modes are complex in structure, difficult in processing, assembling and debugging, complex in structure of the flywheel body and added with unreliable factors in the working process of the flywheel body.
The invention patent with the publication number of CN104608939B discloses a combined flywheel body structure, namely, a hub, a spoke and a rim are made of different materials, and the three parts are fixed by screws, rivets and the like to form the flywheel body. The operational reliability of the flywheel body is one of the problems concerned by space application, therefore, the flywheel body needs to be installed on a shaft after being processed and manufactured, and the radial run-out value and the axial run-out value of the flywheel body are measured through tests, so that the radial run-out value and the axial run-out value of the flywheel body can meet the design requirements, and the operational reliability of the flywheel body is further ensured. The radial runout value of the flywheel body is mainly ensured by the processing precision of each part of the flywheel body; the axial runout value of the flywheel body is mainly influenced by the axial assembly precision of the flywheel body, particularly the axial assembly precision of the spokes and the hub and the spokes and the wheel rim. In the prior art, when the spokes and the hub and the spokes and the rim are connected and assembled by the fasteners, the axial assembly precision of the spokes and the hub and the spokes and the rim can only be ensured manually, and the problems of low assembly efficiency and low axial assembly precision exist.
Disclosure of Invention
The invention aims to provide a flywheel body to improve the assembly efficiency and the axial assembly precision of the flywheel body.
In order to realize the purpose, the technical scheme of the flywheel body is as follows:
the flywheel body includes: the wheel comprises a hub, spokes and a rim, wherein the spokes are connected between the hub and the rim;
the hub and/or the rim are fixedly connected with the corresponding ends of the spokes through fasteners;
the hub and/or the spokes are made of damping materials so as to reduce the vibration acceleration of the rim;
the wheel hub and/or the wheel rim are/is provided with positioning grooves, and the end part of the spoke is provided with a positioning head; or the hub and/or the rim are/is provided with positioning heads, and the end part of the spoke is provided with a positioning groove; the positioning head is arranged in the positioning groove and is in positioning fit with the positioning groove along the axial direction of the flywheel body;
the bottom of the positioning groove and the side surface of the corresponding positioning head are both arc-shaped surfaces, and the rotation center line of the arc-shaped surfaces is superposed with the axis of the flywheel body;
at least one side of circumference of constant head tank is equipped with the opening, and the opening side is equipped with dodges the space, dodges the space and supplies the spoke to pack into rim inside along the flywheel body axial and then make the positioning head warp the opening rotates and packs into corresponding constant head tank.
The invention has the beneficial effects that: the hub and/or the spoke are made of damping materials, the vibration acceleration of the wheel rim can be reduced, a damping structure arranged on the flywheel body can be omitted, the integral structure of the flywheel body is simplified, unreliable factors in the working process of the flywheel body are reduced, at the moment, the reliability of the working of the flywheel body can be ensured as long as the assembly precision among all parts of the flywheel body is ensured, the flywheel body is matched in a positioning mode along the axial direction of the flywheel body through the positioning groove and the positioning head, the axial relative position of the spoke and the hub or the spoke and the wheel rim can be ensured, compared with the prior art that the axial position of the spoke and the hub or the wheel rim is ensured only through manual work, the axial assembly precision of the flywheel body is improved, and the assembly efficiency of the flywheel body is improved. In addition, the positioning groove and the positioning head are simple in structure and convenient to design and process.
As a preferred technical scheme, the positioning groove comprises two paired positioning blocks;
the two positioning blocks in pairs are arranged at intervals along the axial direction of the flywheel body to form two groove side walls of the positioning groove;
the opening of the positioning groove is formed by the interval between the two positioning blocks.
Has the advantages that: the locating slot has simple structure and convenient design and processing.
As a preferred technical scheme, the positioning block and the hub and/or the rim are of an integrated structure, or the positioning block and the spoke are of an integrated structure.
Has the advantages that: the positioning block and the corresponding part do not need to be fixedly connected, so that the assembly error caused by the fixed connection of the positioning block and the corresponding part is avoided, and the assembly precision of the flywheel body is improved; in addition, a fixed connection process of a positioning block and a corresponding part is omitted, and the assembly efficiency of the flywheel body is improved.
Preferably, the spoke comprises a spoke main body and a connecting plate, the connecting plate is arranged at the end part of the spoke main body, and the connecting plate forms the positioning head.
Has the advantages that: the spokes are simple in structure and facilitate the fixed connection of the spokes with the hub and/or the rim.
As the preferred technical scheme, both ends of the spoke main body are provided with the connecting plates, and the spoke is I-shaped on the whole.
Has the advantages that: the stability of connection between the spokes and the hub and between the spokes and the rim is improved, and in addition, the two ends of the spokes are respectively fixedly connected with the hub and the rim through fasteners, so that a field welding process is omitted, and the assembly efficiency of the flywheel body is improved.
Preferably, the fastening member is a screw, and the portions of the connecting plate located on the two circumferential sides of the spoke main body are fixedly connected with the hub or the rim through the screw.
Has the advantages that: the assembly precision of the flywheel body is improved while each part of the flywheel body is convenient to be processed independently.
As the preferred technical scheme, both ends of the spoke are provided with the arc-shaped surfaces.
Has the advantages that: the arc-shaped surface is convenient for selecting the assembling mode of the spoke, the hub and the rim.
Preferably, the spokes are arranged offset to one axial side of the rim.
Has the advantages that: the spokes are arranged towards one axial side of the wheel rim, so that the gravity center design of the whole shafting applied to the follow-up flywheel body is facilitated.
According to the preferable technical scheme, the fastening piece is a screw, a connecting boss is arranged in the positioning groove of the hub, a threaded hole is formed in the connecting boss, and the threaded hole is in threaded connection with the screw.
Has the advantages that: the connecting boss can increase the thickness of the hub, so that the depth of the threaded hole is increased, and the screw and the hub can be stably connected.
As a preferred technical scheme, the damping material is copper-manganese high-damping alloy.
Has the advantages that: the copper-manganese high-damping alloy can convert mechanical vibration energy of the flywheel body into heat energy to be consumed, so that the vibration acceleration of the wheel rim is reduced, and the copper-manganese alloy material has good stability in a wide temperature and frequency range, and is favorable for improving the running reliability of the flywheel body.
Drawings
FIG. 1 is a schematic structural diagram of a flywheel body according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of the connection between the spokes and the hub of FIG. 1;
FIG. 3 is a schematic view of the connection between the spokes and the rim of FIG. 1;
FIG. 4 is a front view of a particular embodiment 1 of the flywheel mass of the present invention;
FIG. 5 is a cross-sectional view of the right side view of FIG. 1;
FIG. 6 is a cross-sectional view of the connection of the spokes to the rim of FIG. 1;
FIG. 7 is a schematic view of the spoke construction of FIG. 1;
fig. 8 is a schematic structural view of fig. 7 from another view angle.
In the figure: 1-a wheel rim; 2-spokes; 3-a hub; 4-screws; 11-a rim locating block; 21-the spoke body; 22-rim connection plate; 23-a hub connection plate; 24-perforating; 31-a hub positioning block; 32-connecting boss.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Specific embodiment 1 of the flywheel mass of the present invention:
as shown in fig. 1, 4 and 5, the flywheel body comprises a rim 1, five spokes 2 and a hub 3, wherein the five spokes 2 are uniformly distributed at intervals along the circumference of the rim 1. One end of each spoke 2 is matched with the hub 3 along the axial positioning of the flywheel body and is fixedly connected with the hub 3, the other end of each spoke is matched with the rim 1 along the axial positioning of the flywheel body and is fixedly connected with the rim 1, and the rim 1, the spokes 2 and the hub 3 are assembled together along the axial positioning.
Specifically, as shown in fig. 1, 4, 7 and 8, the spoke 2 is h-shaped as a whole, and includes a spoke main body 21 and connecting plates disposed at two ends of the spoke main body 21, wherein the connecting plate fixedly connected to the hub 3 is a hub connecting plate 23, and the connecting plate fixedly connected to the rim 1 is a rim connecting plate 22. Two connecting plates and spoke main part 21 formula structure as an organic whole, two connecting plates all regard as locating head and the rim 1 or the wheel hub 3 fixed connection that correspond.
As shown in fig. 1 to 6, paired positioning blocks are respectively arranged on the radial inner side of the rim 1 and the radial outer side of the hub 3, the positioning block arranged on the rim 1 is a rim positioning block 11, the positioning block arranged on the hub 3 is a hub positioning block 31, and the two paired rim positioning blocks 11 are axially arranged along the rim 1 at intervals and enclose with the rim 1 to form positioning grooves with openings on both sides in the circumferential direction; two paired wheel hub locating blocks 31 are axially arranged along the wheel hub 3 at intervals and enclose with the wheel hub 3 to form locating grooves with openings on two sides in the circumferential direction. The positioning grooves on the wheel rim 1 are used as wheel rim positioning grooves, the positioning grooves on the wheel hub 3 are used as wheel hub positioning grooves, the two paired wheel rim positioning blocks 11 are used as two groove side walls of the wheel rim positioning grooves, and the two paired wheel hub positioning blocks 31 are used as two groove side walls of the wheel hub positioning grooves.
Rim constant head tank and wheel hub constant head tank all set up five, with five spoke 2 one-to-one, five rim constant head tanks along 1 circumference interval equipartitions of rim, and the space between the adjacent two-wheeled rim constant head tank constitutes dodges the space, and 3 circumference interval equipartitions of wheel hub are followed to five wheel hub constant head tanks, and the space is dodged to the interval constitution between the adjacent two-wheeled hub constant head tank.
As shown in fig. 7 and 8, the bottom of the rim positioning groove, the bottom of the hub positioning groove, and the outer side surfaces of the rim connecting plate 22 and the rim connecting plate 22 opposite to each other are arc-shaped surfaces, the rim connecting plate 22 is installed in the rim positioning groove, and the rim connecting plate 22 and the two corresponding rim positioning blocks 11 are in positioning fit along the axial direction of the rim 1; the hub connecting plate 23 is installed in the hub positioning groove, and the hub connecting plate 23 is matched with the two corresponding hub positioning blocks 31 in an axial positioning mode along the hub 3, so that the axial positioning of the spoke 2, the rim 1 and the hub 3 is realized.
As shown in fig. 1 to 6, each of the rim positioning blocks 11 and the rim 1 are formed as an integral structure, and each of the hub positioning blocks 31 and the hub 3 are also formed as an integral structure. As shown in fig. 2, a connecting boss 32 is provided on the radial outer side of the hub 3, the connecting boss 32 is located between the two paired hub positioning blocks 31, and threaded holes are provided on both the connecting boss 32 and the rim 1, and the threaded holes are used for being in threaded connection with the screws 4; as shown in fig. 7 and 8, the hub connection plate 23 and the rim connection plate 22 are provided with through holes 24, the through holes 24 correspond to the corresponding threaded holes on the hub 3 or the rim 1 one by one, the through holes 24 are used for the screws 4 to pass through, and the screws 4 form the fastening piece. As shown in fig. 7 and 8, six through holes 24 are provided in each of the hub connection plates 23 and the rim connection plates 22, and the six through holes 24 are symmetrically arranged with respect to the spoke main body 21.
The spoke 2 and the hub 3 are both made of damping materials, specifically made of copper-manganese high-damping alloy materials, the damping coefficient of the copper-manganese high-damping alloy is 0.05, the density is 7.31g/cm2, the tensile strength is not less than 500Mpa, the spoke 2 and the hub 3 convert mechanical vibration energy of a flywheel body into heat energy to be consumed when the flywheel body vibrates, the frequency sweep vibration amplification coefficient of the flywheel body at 0-2000 Hz can be reduced to about 10 from 80, the amplitude of the rim 1 can be effectively reduced, and the maximum acceleration response of the rim 1 is reduced. The copper-manganese high-damping alloy material is low in density, and is beneficial to improving the rotational inertia and the mass ratio of the flywheel body. In addition, the copper-manganese high-damping alloy material has good stability in a wide temperature and frequency range. The material of the wheel rim 1 is 12Cr18Ni9 stainless steel, the tensile strength is not less than 520MPa, and the yield strength is not less than 205 MPa. The section of the spoke main body 21 is I-shaped, the weight is light, the bending modulus is high, and the overall weight of the flywheel body is effectively reduced.
When the rim 1, the spokes 2 and the hub 3 are assembled, the hub connecting plates 23 are correspondingly assembled into the hub positioning grooves one by one, so that the hub connecting plates 23 are matched with the hub positioning grooves in a positioning mode along the axial direction of the hub 3, then the screws 4 penetrate through the through holes 24 of the hub connecting plates 23 and are in threaded connection with the corresponding threaded holes in the hub 3, the spokes 2 and the hub 3 are fixedly connected, and the hub 3 and the spokes 2 form a pre-assembly body; then, each rim connecting plate 22 is axially turned into the rim 1 along the rim 1 through the avoiding space of the rim 1, namely, the pre-assembly body is arranged in the rim 1; then, the pre-assembly body is rotated to enable the rim connecting plate 22 to enter the corresponding rim positioning groove from the notch on one side of the rim positioning groove, and the axial positioning of the spoke 2 and the rim 1 is realized; finally, the screw 4 penetrates through the through hole 24 of the wheel rim connecting plate 22 and is in threaded connection with a corresponding threaded hole in the wheel rim 1, so that the wheel rim 1 is fixedly connected with the spoke 2, and the assembly of the flywheel body is completed.
The flywheel mass of the invention can be used for reaction wheels and offset wheels, etc. The rim 1 and the hub 3 are concentrically arranged, and the coaxiality of the outer diameter of the rim 1 and the inner diameter of the hub 3 is ensured to be less than 0.02mm through the processing precision; the axial end surfaces of the wheel rim 1 and the wheel hub 3 are parallel to each other, and the parallel difference is less than 0.02 mm; after assembly, the spokes (2) are inclined at a certain angle along the axial direction of the flywheel body, namely, the flywheel body is of an inclined spoke structure, so that the axial rigidity of the flywheel body is improved; the spokes 2 are matched with the rim 1 and the hub 3 by positioning grooves and positioning heads and are connected by screws 4, and axial and radial unilateral gaps are less than or equal to 0.05mm, so that the assembly precision is high, and the connection is safe and reliable. The flywheel body is convenient to process, low in processing cost, simple in structure, high in reliability, convenient to realize and wide in application prospect.
Specific embodiment 2 of the flywheel mass of the present invention:
the difference from example 1 is mainly that: the hub positioning groove in the above embodiment 1 is surrounded by the pair of the two hub positioning blocks and the hub, so that the hub positioning groove has two openings. The radial outside of wheel hub is equipped with the U-shaped piece in this embodiment, and the U-shaped piece encloses into the wheel hub constant head tank with wheel hub, and the opening of U-shaped constitutes the opening of wheel hub constant head tank towards wheel hub's circumference one side, and the wheel hub constant head tank only has an opening promptly.
Specific embodiment 3 of the flywheel mass of the present invention:
the difference from example 1 is mainly that: the rim positioning groove in the above embodiment 1 is surrounded by the pair of two rim positioning blocks and the rim so that the rim positioning groove has two openings. The radial outside of rim is equipped with the U-shaped piece in this embodiment, and the U-shaped piece encloses into the rim constant head tank with the rim, and the opening of U-shaped constitutes the opening of rim constant head tank towards the circumference one side of rim, and the rim constant head tank only has an opening promptly, and at this moment, for realizing the fixed connection of pre-assembly body and rim, the opening of each rim constant head tank should be towards the circumference homonymy of rim.
Specific embodiment 4 of the flywheel mass of the present invention:
the difference from example 1 is mainly that: the hub positioning groove in the embodiment 1 is defined by two hub positioning blocks and a hub in a pair. In this embodiment, a groove is formed in the outer side surface of the hub, and the groove forms the hub positioning groove.
Specific embodiment 5 of the flywheel mass of the invention:
the difference from example 1 is mainly that: in the embodiment 1, the hub connecting plate is arranged in the hub positioning groove to realize axial positioning and matching of the spoke and the hub, and the hub positioning groove is arranged at the radial outer side of the hub; in this embodiment, a hub positioning lug is arranged on the radial outer side of the hub, and the positioning groove is arranged on the hub connecting plate of the spoke, the hub positioning lug is arranged in the spoke positioning groove, and the hub positioning lug is matched with the spoke positioning groove in an axial positioning mode along the flywheel body, so that the axial positioning of the hub and the spoke is realized, and the hub positioning lug forms the positioning head.
Specific embodiment 6 of the flywheel mass of the present invention:
the difference from example 1 is mainly that: in the embodiment 1, the rim connecting plate is arranged in the rim positioning groove to realize the axial positioning and matching of the spoke and the rim, and the rim positioning groove is arranged on the radial inner side of the rim; in this embodiment, the radial inner side of the rim is provided with the rim positioning convex block, and the rim connecting plate of the spoke is provided with the positioning groove, the rim positioning convex block is arranged in the spoke positioning groove, and the rim positioning convex block is matched with the spoke positioning groove in an axial positioning mode along the flywheel body, so that the axial positioning of the rim and the spoke is realized, and the rim positioning convex block forms the positioning head.
Specific embodiment 7 of the flywheel mass of the invention:
the difference from example 1 is mainly that: in the embodiment 1, the hub and the rim are made of copper-manganese high-damping alloy materials. In the embodiment, the wheel hub and the wheel rim are made of carbon fiber composite materials in the prior art.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims (10)

1. A flywheel mass comprising: the wheel comprises a hub, spokes and a rim, wherein the spokes are connected between the hub and the rim;
the hub and/or the rim are fixedly connected with the corresponding ends of the spokes through fasteners;
the wheel is characterized in that the wheel hub and/or the spokes are made of damping materials so as to reduce the vibration acceleration of the wheel rim;
the wheel hub and/or the wheel rim are/is provided with positioning grooves, and the end part of the spoke is provided with a positioning head; or the hub and/or the rim are/is provided with positioning heads, and the end part of the spoke is provided with a positioning groove; the positioning head is arranged in the positioning groove and is in positioning fit with the positioning groove along the axial direction of the flywheel body;
the bottom of the positioning groove and the side surface of the corresponding positioning head are both arc-shaped surfaces, and the rotation center line of the arc-shaped surfaces is superposed with the axis of the flywheel body;
at least one side of circumference of constant head tank is equipped with the opening, and the opening side is equipped with dodges the space, dodges the space and supplies the spoke to pack into rim inside along the flywheel body axial and then make the positioning head warp the opening rotates and packs into corresponding constant head tank.
2. The flywheel mass of claim 1, wherein said positioning slot comprises two pairs of positioning blocks;
the two positioning blocks in pairs are arranged at intervals along the axial direction of the flywheel body to form two groove side walls of the positioning groove;
the opening of the positioning groove is formed by the interval between the two positioning blocks.
3. The flywheel mass of claim 2, wherein the locating blocks are integral with the hub and/or rim or integral with the spokes.
4. A flywheel body according to any of claims 1 to 3, characterized in that said spokes comprise a spoke body and a web provided at the end of the spoke body, said web constituting said positioning head.
5. The flywheel mass according to claim 4, wherein said connecting plates are provided at both ends of said spoke body, and said spoke is generally I-shaped.
6. The flywheel mass of claim 4, wherein the fasteners are screws, and the portions of the connecting plates on both sides of the spoke body in the circumferential direction are fixedly connected with the hub or the rim through the screws.
7. The flywheel mass of any one of claims 1 to 3 wherein both ends of the spokes are provided with said arcuate surfaces.
8. A flywheel body according to any of claims 1 to 3 wherein the spokes are offset to one axial side of the rim.
9. The flywheel body according to any one of claims 1 to 3, wherein the fastening member is a screw, a connecting boss is provided in the positioning groove of the hub, a threaded hole is provided on the connecting boss, and the threaded hole is in threaded connection with the screw.
10. The flywheel mass of any of claims 1 to 3, wherein the damping material is a copper manganese high damping alloy.
CN202010759785.6A 2020-07-31 2020-07-31 Flywheel body for spacecraft attitude control system Active CN111963628B (en)

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Application Number Priority Date Filing Date Title
CN202010759785.6A CN111963628B (en) 2020-07-31 2020-07-31 Flywheel body for spacecraft attitude control system

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Application Number Priority Date Filing Date Title
CN202010759785.6A CN111963628B (en) 2020-07-31 2020-07-31 Flywheel body for spacecraft attitude control system

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CN111963628B CN111963628B (en) 2022-06-14

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398379A (en) * 1932-03-02 1933-09-14 Gustav Schulte Metal spoke wheel for waggons, carts and the like
EP0080860A1 (en) * 1981-12-02 1983-06-08 The Garrett Corporation Flywheel
US20010013721A1 (en) * 2000-01-04 2001-08-16 Shigeyuki Ishii Wheels for use in wheelchairs and two-wheeled vehicle
TW461388U (en) * 2000-10-24 2001-10-21 Chen Ying Yu Shock absorbing safety rim
CN101187410A (en) * 2007-11-30 2008-05-28 洛阳轴研科技股份有限公司 Improved flywheel design with vibration-reducing and damping device
CN104608939A (en) * 2014-10-17 2015-05-13 上海复合材料科技有限公司 Light-weighted composite momentum flywheel for satellite and manufacture method thereof
CN107963203A (en) * 2017-11-16 2018-04-27 西安航空制动科技有限公司 A kind of combined type Inspection Aircraft Wheels of the wide wheel hub core of aircraft tyre
CN108547912A (en) * 2018-04-04 2018-09-18 上海交通大学 Flywheel power shock-absorbing means and method of construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB398379A (en) * 1932-03-02 1933-09-14 Gustav Schulte Metal spoke wheel for waggons, carts and the like
EP0080860A1 (en) * 1981-12-02 1983-06-08 The Garrett Corporation Flywheel
US20010013721A1 (en) * 2000-01-04 2001-08-16 Shigeyuki Ishii Wheels for use in wheelchairs and two-wheeled vehicle
TW461388U (en) * 2000-10-24 2001-10-21 Chen Ying Yu Shock absorbing safety rim
CN101187410A (en) * 2007-11-30 2008-05-28 洛阳轴研科技股份有限公司 Improved flywheel design with vibration-reducing and damping device
CN104608939A (en) * 2014-10-17 2015-05-13 上海复合材料科技有限公司 Light-weighted composite momentum flywheel for satellite and manufacture method thereof
CN107963203A (en) * 2017-11-16 2018-04-27 西安航空制动科技有限公司 A kind of combined type Inspection Aircraft Wheels of the wide wheel hub core of aircraft tyre
CN108547912A (en) * 2018-04-04 2018-09-18 上海交通大学 Flywheel power shock-absorbing means and method of construction

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