CN113619817B - Rim-driven momentum wheel device and disassembly and assembly method thereof - Google Patents

Rim-driven momentum wheel device and disassembly and assembly method thereof Download PDF

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Publication number
CN113619817B
CN113619817B CN202010382811.8A CN202010382811A CN113619817B CN 113619817 B CN113619817 B CN 113619817B CN 202010382811 A CN202010382811 A CN 202010382811A CN 113619817 B CN113619817 B CN 113619817B
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bearing
base
upper cover
motor rotor
disassembly
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CN113619817A (en
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张程煜
余东东
匡晓霖
李石
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Beijing Machinery Equipment Research Institute
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Beijing Machinery Equipment Research Institute
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64GCOSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00Cosmonautic vehicles
    • B64G1/22Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/24Guiding or controlling apparatus, e.g. for attitude control
    • B64G1/28Guiding or controlling apparatus, e.g. for attitude control using inertia or gyro effect
    • B64G1/285Guiding or controlling apparatus, e.g. for attitude control using inertia or gyro effect using momentum wheels

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to a rim-driven momentum wheel device and a disassembly and assembly method thereof, belongs to the field of momentum wheels, and solves the problems of complex disassembly and assembly of a momentum wheel structure, low space utilization rate, unstable operation at high speed and the like in the prior art. According to the invention, the motor is arranged to be of an inner stator outer rotor type structure, the motor stator is directly fixed on the base, and the motor rotor is used as a wheel body to store angular momentum; the motor rotor is used as a wheel body, the rim driving is realized, the structure of the momentum wheel is simplified, the quick assembly and disassembly are realized, and the running stability can be ensured.

Description

Rim-driven momentum wheel device and disassembly and assembly method thereof
Technical Field
The invention relates to the technical field of momentum wheels, in particular to a rim driving type momentum wheel device and a disassembly and assembly method thereof.
Background
The momentum wheel is an important actuating mechanism required by the gesture control system and mainly comprises a motor, a wheel body, a bearing, a base and the like, wherein the wheel body is driven by a motor rotor, and the momentum exchange with other equipment is realized by utilizing the stored angular momentum. The momentum wheel internal structure is complicated, and the base is mostly separated structure, and the phenomenon of operation unstability easily appears under high-speed running state, and momentum wheel inner space is limited, and the often degree of difficulty is great in the dismouting in-process.
Aiming at the problems of complex disassembly and assembly of the momentum wheel, low space utilization rate, unstable operation at high speed and the like, the rim-driven momentum wheel device is provided, and is characterized in that a motor rotor is directly used as a wheel body, rim driving is realized through a stator structure in the motor outer rotor, and the integrated design of a base is beneficial to improving the stability of the momentum wheel during high-speed operation, and the weight reduction and the miniaturization of the momentum wheel are realized.
In the existing product, the momentum wheel is usually driven by a wheel center, namely, a motor rotor is fixedly connected with a wheel body, and the rotation of the wheel body is realized by driving the motor rotor, so that the space utilization rate of the structural mode is low, and the lightweight and miniaturized design is difficult to realize; the momentum wheel base mostly adopts a separated structure of a base and a bottom cover, the requirement on the processing precision of parts is high by the structural mode, the flatness of a mounting surface is difficult to ensure, the heat dissipation and the mechanical property of the momentum wheel are further influenced, the operation is inconvenient in the actual dismounting process, and the performance of precise parts such as a bearing can be possibly influenced in the dismounting process.
Disclosure of Invention
In view of the above analysis, the invention aims to provide a rim-driven momentum wheel device, which is used for solving the problems that the prior momentum wheel motor rotor driving wheel body has low space utilization rate, is difficult to realize light weight and small-sized design, has high requirements on the machining precision of parts by a separated structure of a base, has poor heat dissipation and stability when the momentum wheel runs at a high speed, and is inconvenient to assemble and disassemble.
The aim of the invention is mainly realized by the following technical scheme:
a rim driven momentum wheel device comprising: the motor comprises a bearing assembly, a base, a motor rotor and a motor stator; the motor stator is fixedly arranged on the base; the motor rotor is arranged on the base through the bearing assembly and can rotate relative to the motor stator; the motor rotor serves as the wheel body of the momentum wheel.
Further, the bearing assembly includes: spindle, bearing and bearing housing; the mandrel is fixedly connected with the base through a second screw; the inner ring of the bearing is sleeved on the mandrel, and the bearing shell is sleeved on the outer ring of the bearing.
Further, the bearings include a first bearing and a second bearing; a support ring is disposed between the first bearing and the second bearing.
Further, a disc spring is arranged between the bearing and the base.
Further, the motor stator is fixedly connected with the base through a fourth screw.
Further, the momentum wheel device also comprises a circuit board, and the circuit board is fixedly arranged on the base through a first screw.
Further, the momentum wheel device also comprises an upper cover, and the upper cover is fixedly connected with the base.
Further, the momentum wheel device also comprises a jackscrew, the upper end and the lower end of the jackscrew are respectively provided with a thread section, and the upper cover is fixedly connected with the mandrel through the jackscrew.
A method for disassembling and assembling the rim-driven momentum wheel device adopts the rim-driven momentum wheel device; the disassembly process of the disassembly and assembly method is opposite to the assembly process; the mounting step comprises the following steps:
step S1: fixedly mounting the circuit board on the base through a first screw;
step S2: assembling a bearing assembly; and fixedly mounting the bearing assembly on the base;
step S3: a motor stator is fixedly arranged on the base, and a motor rotor is arranged on the bearing component;
step S4: and installing an upper cover.
Further, during the disassembly process, the bearing assembly is disassembled as a unit.
Compared with the prior art, the technical scheme provided by the invention has at least one of the following beneficial effects:
1. according to the rim driving type momentum wheel device, the motor rotor is used as the wheel body, the bearing is arranged on the mandrel, so that the base and the bearing assembly are of an integrated structure, the motor stator and the motor rotor are respectively arranged on the base and the bearing assembly, the space utilization rate is high, the disassembly and assembly are convenient, the stability of the momentum wheel during high-speed rotation is improved, and the miniaturization and the light-weight design of the momentum wheel are realized; the motor rotor of the rim driving type momentum wheel device serves as a wheel body, so that rim driving can be realized; and good stability can be maintained during high-speed operation.
2. The bearing component of the rim driving type momentum wheel device is installed through the bolts outside the base, so that an integrated base structure is realized; the bearing assembly is arranged on the base, and is fixed by bolts from bottom to top, so that the bearing assembly is dismounted outside the base; the base integrated structure has compact structure and convenient disassembly and assembly, and is favorable for improving the installation accuracy of the momentum wheel and realizing the miniaturization design of the momentum wheel.
3. The circuit board is arranged below the wheel body (motor rotor), which is beneficial to improving the irradiation resistance of the momentum wheel.
In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a cross-sectional view of a rim driven momentum wheel apparatus of the present invention;
fig. 2 is an isometric view of a rim driven momentum wheel device (without a cover) of the present invention.
Reference numerals:
1-a base; 2-an upper cover; 3-a bearing housing; 4-mandrel; 5-bearing; 6-a support ring; 7-a disc spring; 8-a motor rotor; 9-a motor stator; 10-a circuit board; 11-jackscrews; 12-a first screw; 13-a second screw; 14-third screw.
Detailed Description
The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.
In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, for example, as being fixedly coupled, as being detachably coupled, as being integrally coupled, as being mechanically coupled, as being electrically coupled, as being directly coupled, as being indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.
In one embodiment of the invention, a rim-driven momentum wheel device is disclosed, as shown in fig. 1 and 2, comprising a base 1, an upper cover 2, a bearing assembly, a motor rotor 8, a motor stator 9, a circuit board 10 and a jackscrew 11;
wherein, the bearing assembly includes: bearing housing 3, spindle 4, bearing 5, support ring 6 and disc spring 7; specifically, the motor rotor 8 is rotatably mounted on the base 1 through a bearing assembly, and the motor stator 9 is fixedly connected with the base 1; the motor rotor 8 serves as a momentum wheel, and when the motor is electrified, the motor rotor 8 (i.e. the wheel body) rotates relative to the motor stator 9, so that momentum exchange with other equipment is realized.
Specifically, the rim of the motor rotor 8 is provided with a circular arc-shaped groove, the upper part of the motor stator 9 is coupled with the groove of the motor rotor 8 (positioned in the groove), and the motor rotor 8 can rotate at a high speed after being electrified.
Wherein, the circuit board 10 is fixedly connected with the base 1 through a first screw 12; the spindle 4 is fixedly connected with the base 1 by means of a second screw 13.
As shown in fig. 2, the base 1 has a disc shape. Specifically, the mandrel 4 has a hollow columnar structure, and is provided with a hollow mounting hole, and the mounting hole is a second threaded hole; the lower end of the mandrel 4 is provided with a disk-shaped extension part, and the extension part is fixedly connected with the base 1 through a second screw 13; the upper end of the mandrel 4 is fixedly connected with the upper cover 2 through a jackscrew 11.
Specifically, the top thread 11 has an upper thread section and a lower thread section, specifically a first thread section provided at the upper portion and a second thread section provided at the lower portion; wherein the first thread section is in threaded connection with a first threaded hole on the upper cover 2; the second thread segment is threadedly connected to a second threaded hole in the center of the spindle 4.
Specifically, the spindle 4 is coaxial with the motor rotor 8 and the motor stator 9.
That is, the spindle 4 serves as a central shaft of the entire momentum wheel device, the spindle 4 is connected between the base 1 and the upper cover 2, a lower portion of the spindle 4 is fixedly connected to the base 1 by the second screw 13, and an upper portion of the spindle 4 is fixedly connected to the upper cover 2 by the jackscrew 11.
Further, a bearing 5 is fitted over the outside of the spindle 4, and a motor rotor 8 is mounted on the spindle 4 through the bearing 5.
The motor rotor 8 is used as a wheel body, the motor is of an inner stator outer rotor type structure, the motor stator 9 is directly fixed on the base 1, and the motor rotor 8 is also used as the wheel body to store angular momentum; in the operation process, the motor rotor 8 rotates relative to the base 1 through the bearing 5 and is driven by the motor stator 9 at the outer edge, so that rim driving is realized.
Specifically, as shown in fig. 2, the motor rotor 8 has a ring-shaped structure, and weight reducing holes are arranged on the motor rotor 8; the motor rotor 8 is fixedly connected with the bearing housing 3 by a third screw 14, and the bearing housing 3 is sleeved on the outer ring of the bearing 5 and can rotate relative to the spindle 4.
That is, the inner ring of the bearing 5 is mounted with the spindle 4 by interference fit, and the outer ring of the bearing 5 is mounted with the bearing housing 3 by interference fit; the motor rotor 8 is fixedly connected with the bearing housing 3 through a third screw 14, so that the motor rotor 8 can rotate relative to the spindle 4, and the rotation center line of the motor rotor 8 is the axis of the spindle 4.
Further, the motor stator 9 is fixed on the base 1 through a fourth screw, and the motor stator 9 is located above the circuit board 10, and the circuit board 10 and the fixed part of the motor stator 9 are distributed in a dislocation manner.
Further, the motor rotor 8 is of a ring-shaped structure, an annular groove is formed below the outer edge of the motor rotor, and the motor rotor is matched with the motor stator 9 through the annular groove, so that rim driving is achieved.
Further, the upper part of the motor stator 9 is sleeved in an annular groove below the motor rotor 8, after being electrified, the motor rotor 8 can rotate relative to the motor stator 9, and the rotation speed and the deflection angle are controlled through the circuit board 10.
Further, the bearing 5 has an upper and a lower, including a first bearing and a second bearing.
Specifically, the first bearing and the inner ring of the second bearing are both sleeved on the mandrel 4 and are in interference fit with the mandrel 4.
The first bearing and the second bearing are arranged side by side on the spindle 4, and the first bearing is located above the second bearing.
Further, a support ring 6 is provided between the first bearing and the second bearing, the support ring 6 being supported between the outer race of the first bearing and the outer race of the second bearing.
Further, the upper part of the first bearing limits displacement through the extension parts at the two sides of the jackscrew 11, namely, the upper part of the bearing 5 limits the upward movement of the bearing 5 through the jackscrew 11, and the lower part limits the downward movement of the bearing 5 through the disc spring 7, so that the stability of the axial position of the bearing 5 on the mandrel 4 can be ensured; a disc spring 7 is provided between the second bearing and the disc-like extension of the spindle 4.
That is, the disc spring 7 is pressed against the bearing 5 at the lower side, and the jackscrew 11 is pressed against the bearing 5 at the upper side; the mounting position of the first bearing and the second bearing on the spindle 4 is limited by the disc spring 7, the support ring 6 and the jackscrew 11, i.e. the disc spring 7, the support ring 6 and the jackscrew 11 are able to prevent the first bearing and/or the second bearing from slipping in the axial direction relative to the spindle 4.
Further, there are two mounting modes between the upper cover 2 and the jackscrew 11:
the upper cover 2 is connected with the jackscrew 11 through threads, the upper cover 2 is matched with the base 1 in shape, the upper cover 2 and the base 1 are of cavity structures (shell structures), and the upper cover 2 and the base 1 are spliced into a disc-shaped structure with a middle cavity. The installation mode is simple and convenient, the upper cover 2 can be installed by rotating the upper cover 2 to realize threaded connection with external threads of the jackscrew 11, and quick assembly disassembly is convenient to realize.
Or: the upper cover 2 is provided with a circular hole, the upper part of the jackscrew 11 is provided with a cylindrical section, and the relative positions of the upper cover 2 and the base 1 are positioned through the matching of the circular hole and the cylindrical section; further, the upper cover 2 and the base 1 are fastened and fixed as one body by bolts. The mounting mode can ensure the mounting reliability between the upper cover 2 and the base 1, quick dismounting can be realized through screw mounting, the upper cover 2 has the function of limiting the jackscrew position, a certain downward pressure can be provided for the jackscrew 11, the jackscrew 11 is prevented from being separated from the mandrel 4, and the integral stability of the momentum wheel is ensured.
The momentum wheel device of this embodiment adopts motor rotor 8 as the wheel body of momentum wheel, has simplified the structure, and motor rotor 8 and motor stator 9 adopt rim drive, need not additionally to add momentum wheel body part, make the holistic integrated level of device higher, have realized the miniaturization and the lightweight of momentum wheel device.
Example 2
The present embodiment provides a method for assembling and disassembling the rim driven momentum wheel device in the foregoing embodiment 1, and specifically includes the steps of:
step S1: fixedly mounting the circuit board 10 on the base 1 by a first screw 12;
step S2: the spindle 4, the bearing 5, the bearing housing 3, the support ring 6 and the disc spring 7 are assembled into a bearing assembly; and fixedly mounting the bearing assembly on the base 1;
specifically, in step S2, first, the disc spring 7 is sleeved on the spindle 4; secondly, mounting the bearing 5 and the support ring 6 into the bearing housing 3; thirdly, sleeving an inner ring of the bearing 5 on the mandrel 4; and (5) completing the assembly of the bearing assembly.
Step S3: a motor stator 9 is fixedly arranged on the base 1, and a motor rotor 8 is arranged on the bearing assembly;
specifically, in step S3, the motor stator 9 is fixedly connected with the base 1 through a fourth screw;
the lower end of the spindle 4 of the bearing assembly is fixedly connected to the base 1 by means of a second screw 13 and the motor rotor 8 is fixedly connected to the bearing housing 3 by means of a third screw 14.
Step S4: the upper cover 2 is mounted.
Specifically, in step S4, the jackscrew 11 is screwed into the threaded hole in the center of the spindle 4; the upper cover 2 is connected with the upper part of the jackscrew 11 through threads; or, the upper cover 2 is sleeved on the upper end of the jackscrew 11, and the upper cover 2 and the base 1 are fixed by screws.
When the motor is electrified, the motor rotor 8 (i.e. the wheel body) rotates, and momentum exchange with other equipment is realized.
The embodiment adopts a bottom-up installation process, and the circuit board 10, the bearing assembly, the motor stator 9, the motor rotor 8 and the upper cover 2 are sequentially installed on the base 1, so that the installation process is simple and efficient, the circuit board 10 is positioned below the motor rotor 8, damage to the circuit board 10 is prevented, and the anti-irradiation performance of the momentum wheel is improved.
The disassembly process is opposite to the assembly process, and after the bearing assembly is assembled in the disassembly process, the bearing assembly is taken as a complete whole, once assembled, the disassembly is not needed, the operation is simple, and the performance of the bearing 5 is not influenced.
The specific disassembly steps are as follows:
step C1: the upper cover 2 is removed, the upper cover 2 is separated from the momentum wheel main body structure, and the rim driving momentum wheel structure after the upper cover 2 is removed is shown in figure 2;
step C2: removing (unscrewing) the third screw 14 to complete the disassembly of the motor rotor 8, separating the motor rotor 8 from the bearing housing 3; removing (unscrewing) the fourth screw to complete the disassembly of the motor stator 9, so that the motor stator 9 is separated from the base 1; removing (unscrewing) the second screw 13 to complete the removal of the spindle 4, to separate the spindle 4 from the base 1, i.e. to complete the removal of the bearing assembly, to separate the bearing assembly from the base 1;
step C3: the first screw 12 is removed (unscrewed) to separate the circuit board 10 from the base 1, and the circuit board 10 is completed.
In step C1, when the upper cover 2 is screwed with the top thread 11, the upper cover 2 is separated from the top thread 11 by rotating the upper cover 2, so as to complete the disassembly of the upper cover 2; when the upper cover 2 is connected to the base 1 by screws, the screws are unscrewed, and the upper cover 2 is detached (separated) from the base 1.
It should be noted that, in the dismounting method of the present invention, the second screw 13 connecting the spindle 4 and the base 1 is disposed below the base 1, and the first screw 12 and the fourth screw mounting the circuit board 10 and the motor stator 9 are disposed above the base 1.
When the bearing assembly is installed (or disassembled), the spindle (bearing assembly) and the base 1 can be fixed (or separated) only by screwing (or unscrewing) the second screw 13 at the bottom of the base 1, and the spindle cannot be influenced by the upper motor rotor 8, so that the integral high-integration level of the momentum wheel device is ensured, the mutual interference of structural parts is avoided, and the rapid disassembly and assembly of the momentum wheel device is realized.
According to the rim driving type momentum wheel device, after the bearing assembly is assembled, disassembly and assembly are not needed, disassembly and assembly of other parts are in threaded connection or screw connection, and rapid disassembly and assembly of the momentum wheel device are achieved.
Compared with the prior art, the technical scheme provided by the invention has at least one of the following beneficial effects:
1. according to the rim driving type momentum wheel device, the motor rotor 8 is used as a wheel body, the bearing 5 is arranged on the mandrel 4, the base 1 and the bearing assembly are integrated, the motor stator 9 and the motor rotor 8 are respectively arranged on the base 1 and the bearing assembly, the space utilization rate is high, the disassembly and assembly are convenient, the performance of the momentum wheel is improved, and the miniaturization and the light weight design of the momentum wheel are realized.
2. The motor rotor 8 of the rim driving type momentum wheel device serves as a wheel body, so that rim driving is realized; and good stability can be maintained during high-speed operation.
The motor is of an inner stator outer rotor type structure, the motor stator 9 is directly fixed on the base 1, and the motor rotor 8 is also used as a wheel body to store angular momentum; the motor stator 9 and the motor rotor 8 are driven in a coupling way at the rim of the motor rotor 8, and in the operation process, the motor rotor 8 rotates relative to the base through a center bearing and is driven by the motor stator 9 at the outer edge, so that rim driving is realized.
3. The bearing component of the rim driving type momentum wheel device is installed through the bolts outside the base 1, so that an integrated base structure is realized;
the bearing assembly is arranged on the base 1, and is fixed by bolts from bottom to top, so that the bearing assembly is dismounted outside the base 1; the base integrated structure is compact in structure, convenient to assemble and disassemble, and beneficial to improving the installation accuracy of the momentum wheel and realizing the miniaturized design of the momentum wheel; and the circuit board 10 is arranged below the wheel body (the motor rotor 8), which is beneficial to improving the irradiation resistance of the momentum wheel.
4. The bearing assembly does not need to be assembled or disassembled again after the assembly is completed, and the motor stator 9, the circuit board 10, the bearing assembly and the base 1 are all connected and fixed by adopting screws, so that the assembly and the disassembly are convenient; the motor rotor 8 is connected with the bearing housing 3 of the bearing assembly through the bolts, so that the motor rotor is convenient to detach, the structure of the momentum wheel is simplified, the miniaturization of the momentum wheel is realized, and meanwhile, the rapid disassembly and assembly are realized.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (1)

1. A method for disassembling and assembling a rim-driven momentum wheel device is characterized in that the rim-driven momentum wheel device is adopted;
the disassembly process of the disassembly and assembly method is opposite to the assembly process; the rim driven momentum wheel device comprises: the motor comprises a bearing assembly, a base (1), a motor rotor (8) and a motor stator (9); the motor stator (9) is fixedly arranged on the base (1); the motor rotor (8) is mounted on the base (1) through a bearing assembly, and the motor rotor (8) can rotate relative to the motor stator (9); the motor rotor (8) is used as a wheel body of a momentum wheel; the rim of the motor rotor (8) is provided with a circular arc-shaped groove, the upper part of the motor stator (9) is coupled with the groove of the motor rotor (8), and the motor rotor (8) can rotate at a high speed after being electrified;
the bearing assembly includes: a spindle (4), a bearing (5) and a bearing housing (3); the mandrel (4) is fixedly connected with the base (1) through a second screw (13); the inner ring of the bearing (5) is sleeved on the mandrel (4), and the bearing shell (3) is sleeved on the outer ring of the bearing (5);
the bearing (5) comprises a first bearing and a second bearing; a support ring (6) is arranged between the first bearing and the second bearing;
a disc spring (7) is arranged between the bearing (5) and the base (1);
the momentum wheel device further comprises an upper cover (2), and the upper cover (2) is fixedly connected with the base (1);
the momentum wheel device further comprises a jackscrew (11), thread sections are arranged at the upper end and the lower end of the jackscrew (11), and the upper cover (2) is fixedly connected with the mandrel (4) through the jackscrew (11); the jackscrew (11) is provided with an upper thread section and a lower thread section, in particular a first thread section arranged at the upper part and a second thread section arranged at the lower part; the first threaded section is in threaded connection with a first threaded hole in the upper cover (2); the second thread section is connected with a second threaded hole in the center of the mandrel (4) through threads;
the motor stator (9) is fixedly connected with the base (1) through a fourth screw;
the momentum wheel device further comprises a circuit board (10), wherein the circuit board (10) is fixedly arranged on the base (1) through a first screw (12);
the mounting step comprises the following steps:
step S1: fixedly mounting a circuit board (10) on a base (1) through a first screw (12);
step S2: assembling a bearing assembly; the bearing component is fixedly arranged on the base (1);
step S3: a motor stator (9) is fixedly arranged on the base (1), and a motor rotor (8) is arranged on the bearing assembly;
step S4: installing an upper cover (2);
in the step S4, screwing the jackscrew (11) into a threaded hole in the center of the mandrel (4); the upper cover (2) is connected with the upper part of the jackscrew (11) through threads;
during the disassembly, the bearing assembly is disassembled as a unit;
the specific disassembly steps are as follows:
step C1: removing the upper cover (2) to separate the upper cover (2) from the momentum wheel main body structure; in the step C1, when the upper cover (2) is connected with the jackscrew (11) through threads, the upper cover (2) is rotated to separate the upper cover from the jackscrew (11), so that the upper cover (2) is detached;
step C2: dismantling the third screw (14) to complete the dismantling of the motor rotor (8) and separate the motor rotor (8) from the bearing housing (3); dismantling the fourth screw to complete the disassembly of the motor stator (9) and separate the motor stator (9) from the base (1); removing the second screw (13) to complete the disassembly of the mandrel (4), so that the mandrel (4) is separated from the base (1), namely, the disassembly of the bearing assembly is completed, and the bearing assembly is separated from the base (1);
step C3: and removing the first screw (12) to separate the circuit board (10) from the base (1) so as to complete the disassembly of the circuit board (10).
CN202010382811.8A 2020-05-08 2020-05-08 Rim-driven momentum wheel device and disassembly and assembly method thereof Active CN113619817B (en)

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CN113619817B true CN113619817B (en) 2023-07-21

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CN206169717U (en) * 2016-10-20 2017-05-17 中核(天津)科技发展有限公司 But rapid Assembly's combination formula dabber
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