CN101693472B - Repeatable locking device for magnetically suspended flywheel - Google Patents
Repeatable locking device for magnetically suspended flywheel Download PDFInfo
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- CN101693472B CN101693472B CN 200910093150 CN200910093150A CN101693472B CN 101693472 B CN101693472 B CN 101693472B CN 200910093150 CN200910093150 CN 200910093150 CN 200910093150 A CN200910093150 A CN 200910093150A CN 101693472 B CN101693472 B CN 101693472B
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- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The invention relates to a repeatable locking device for a magnetically suspended flywheel, which comprises a flywheel system, a driving mechanism and a locking mechanism, wherein the locking mechanism is arranged outside a flywheel rotor and is fixed to a flywheel base through a fastening bolt. The flywheel system mainly comprises a flywheel stator shaft, a flywheel rotor and a base; the driving mechanism mainly comprises a fixed plate, a left bearing pressure ring, an upper bearing pressure ring, a motor, a worm, a coupling joint, a worm wheel, a fixed pole, a locking fork, a spherical nut, a worm wheel link rod and a bearing; and the locking mechanism mainly comprises a spring chip seat, a spring chip, a spring chip body, a small pole, a steel rope and a connecting pole. The locking device protects a magnetically suspended flywheel system, and has the advantages of repeatable use, high reliability, simple structure and the like.
Description
Technical field
The present invention relates to a kind of repeatable locking device for magnetically suspended flywheel, have reusable, reliability is high, power consumption is little, advantages of simple structure and simple, can be used as the protective device of magnetic bearing-supported flywheel system.
Background technology
Magnetically levitated flywheel belongs to long-life, high precision spacecraft attitude control executing mechanism.Spacecraft will produce violent vibration and impact in emission process, because magnetically levitated flywheel adopts the magnetic bearing technology, have the gap between stator and the rotor, damage in order to prevent fly wheel system, need extra locking device that it is protected; In addition,, need discharge, be convenient to its work the flywheel rotor system when magnetically levitated flywheel gets into planned orbit.Owing to need through a series of environmental test (frequency sweep, vibration, impact, centrifugal, high low temperature, thermal cycle etc.) before the magnetically levitated flywheel emission, need often flywheel to be locked and release.Work as flywheel in addition and become rail work, also need lock and release flywheel rotor.Present employed magnetically levitated flywheel locking device mainly contains based on carbon fibre composite and aircraft cable locking device, wedge-conical bearing and priming system locking device, screw-and-nut locking device, pneumatic locking device, electromagnetic locking device.Wherein, Based on carbon fibre composite and aircraft cable locking device, based on wedge-conical bearing locking device with based on the bolt and nut locking device, all adopt priming system to carry out release, reliability is high; But can only disposablely use, be not easy to the ground environment test adjustment.Though pneumatic locking device is reusable, structure is complicated, and needs source of the gas, and reliability is relatively poor, and volume is big.Number of patent application 200810102392.7 described electromagnetic locking devices keep locking through the permanent magnetism suction that permanent magnetic field provides; Utilize the forward and reverse stack of electromagnetism magnetic field and permanent magnetic field; The flywheel rotor system is locked and release, realized that the repeatability of locking device is used.But locking tripping force and release gap are inversely proportional to, and the release gap can not adjust, and the debugging of locking device is brought very big inconvenience.During work, three to four electromagnetic locking devices are installed along the circumferential direction on base generally, are made when carrying out locking and carrying out release, the synchronism of electromagnet action is had relatively high expectations.In addition,, can't carry out compulsive unlocking to flywheel, greatly reduce its reliability through compulsive unlocking mechanism when locking device breaks down can not release the time.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiency of prior art, provide a kind of reusable, be easy to control, power consumption is little, simple in structure, magnetically levitated flywheel locking device that reliability is high.
Technical solution of the present invention is: a kind of repeatable locking device for magnetically suspended flywheel, mainly form by fly wheel system, gear train and latch mechanism, and it is characterized in that: fly wheel system mainly comprises: flywheel stator axis, flywheel rotor and base; Gear train mainly comprises: fixed head, left bearing pressure ring, head bearing pressure ring, motor, worm screw, shaft coupling, worm gear, left fixed leg, right fixed leg, left lock fork, right lock fork, left spherical nut, right spherical nut, worm gear link rod, left bearing, right bearing, head bearing and lower bearing; Latch mechanism mainly comprises: shell fragment seat, shell fragment, spring plate, pillar, wire rope, left joint pin and right joint pin; The flywheel stator axis is in the flywheel rotor radially inner side, and is fixed on the base, and fixed head is positioned at the flywheel rotor radial outside; And passing through screw retention on base, the left bearing pressure ring is positioned at the fixed head left side, and passes through screw retention on fixed head; The head bearing pressure ring is positioned at the fixed head upper end, and passes through screw retention on fixed head, and motor is positioned at the fixed head lower end; And pass through screw retention on fixed head; The worm screw upper and lower end links to each other with fixed head with the head bearing pressure ring with lower bearing through head bearing respectively, and machine shaft links to each other with worm screw through shaft coupling, and the worm gear outward flange cooperates with worm screw through screw thread; Worm gear is inboard to be connected with the worm gear link rod through key; And be fixed on the worm gear link rod through nut, the left and right end of worm gear link rod is loaded on the fixed head through left bearing and right bearing respectively, and left spherical nut and right spherical nut cooperate with left lock fork and right lock fork through sphere respectively; And be loaded on the worm gear link rod through screw thread, left lock fork and right lock fork are fixed on the fixed head through left fixed leg and right fixed leg respectively; Shell fragment seat, shell fragment, spring plate, pillar and wire rope are positioned at the flywheel rotor radial outside; The shell fragment seat is fixed on the base, and shell fragment is fixed on the shell fragment seat, and spring plate is fixed on the shell fragment; Pillar is fixed on the spring plate; Wire rope is between spring plate and pillar, and left joint pin and right joint pin are separately fixed in left lock fork and the right lock fork cylindrical hole, and the wire rope two ends link to each other with right joint pin with left joint pin respectively.Described left bearing, right bearing, head bearing and lower bearing are deep groove ball bearing.Described worm gear is the cast tin bronze material.Described worm screw and spring plate are alloy steel material.Described shell fragment is a spring steel 65Mn material.The surface in contact of described spring plate and flywheel rotor is all made cure process.Two sections thread rotary orientations that described worm gear link rod cooperates with left spherical nut and right spherical nut are opposite, and pitch is identical.When described repeatable locking device breaks down, can chop wire rope off through the article of attacking with fire flywheel rotor is carried out compulsive unlocking.
The principle of such scheme is: when needs are locked magnetically levitated flywheel, and control system control motor forward rotation, and through shaft coupling drive worm screw forward rotation; After worm and gear slow down to amplify output torque, worm gear drove worm gear link rod forward rotation through key and since left spherical nut and right spherical nut two sides respectively with left lock fork and right lock fork endoporus plane contact; Left spherical nut and right spherical nut axial rotation degree of freedom have been limited; Thereby make left spherical nut and right spherical nut along the translation in opposite directions of worm gear link rod, swing in opposite directions, make the circumference of wire rope place circle reduce thereby drive the left lock fork and the right lock fork that cooperate with left spherical nut and right spherical nut sphere respectively; Thereby make the wire rope reduced radius; Through wire rope press-bending shell fragment, and make spring plate hold flywheel rotor tightly, flywheel rotor is locked.After the motor outage, because the worm thread lift angle less than the angle of friction between the worm thread and the worm gear flank of tooth, promptly can produce self-locking, thereby keep the locking state of locking device.
When needs carried out release to magnetically levitated flywheel, control system control motor backward rotation drove the worm screw backward rotation through shaft coupling; After worm and gear slows down the amplification output torque; Worm gear drives worm gear link rod backward rotation through key and since left spherical nut and right spherical nut two sides respectively with left lock fork and right lock fork endoporus plane contact, limited left spherical nut and right spherical nut axial rotation degree of freedom; Thereby make left spherical nut and right spherical nut along the reverse translation of worm gear link rod; Thereby drive the left lock fork and the right lock fork backswing that cooperate with left spherical nut and right spherical nut sphere respectively, thereby wire rope is unclamped, receive the restoring force of curved shell fragment through self; Make spring plate leave the flywheel rotor surface, realize the release of flywheel.Because shell fragment also has certain recovery elastic force after the release, thereby keeps the released state of mechanism, makes that fly wheel system can operate as normal.Magnetically levitated flywheel gets into planned orbit needs work; Find that locking device breaks down or other reason release can not be carried out the time; At once through the ground remote control system; Control firer compulsive unlocking mechanism chops wire rope off, and this moment, shell fragment relied on the restoring force of self will make spring plate leave the flywheel rotor surface, realized the compulsive unlocking of flywheel.
The present invention's advantage compared with prior art is: the present invention is owing to adopt motor as topworks; Compare the repeated locking function of having realized magnetically levitated flywheel with disposable locking device; Compare with repeating electromagnetic locking device, its spring plate stroke can be regulated i.e. release adjustable gaps; It is convenient to have debugging, the high advantage of in light weight, reliability.Simultaneously the motor output torque can be exported bigger coupling mechanism force after slowing down through worm and gear, and Worm and worm-wheel gearing has auto-lock function, thereby can keep the locking state of flywheel better.
Description of drawings
Fig. 1 is the repeatable locking device for magnetically suspended flywheel structural representation of technical solution of the present invention;
Fig. 2 connects schematic cross-section for motor, worm gear, the worm screw of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention;
Fig. 3 for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the locking state synoptic diagram;
Fig. 3 a for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the locking state structural representation;
Fig. 3 b for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the locking state schematic cross-section;
Fig. 4 for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the released state synoptic diagram;
Fig. 4 a for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the released state structural representation;
Fig. 4 b for the gear train of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention at the released state schematic cross-section;
Fig. 5 is the latch mechanism schematic cross-section of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention;
Fig. 6 is the wire rope schematic cross-section of the repeatable locking device for magnetically suspended flywheel of technical solution of the present invention;
Fig. 7 is the worm gear synoptic diagram of technical solution of the present invention;
Fig. 7 a is the worm gear front view of technical solution of the present invention;
Fig. 7 b is the worm gear cut-open view of technical solution of the present invention;
Fig. 8 is the worm screw front view of technical solution of the present invention;
Fig. 9 is the left lock fork synoptic diagram of technical solution of the present invention;
Fig. 9 a is the left lock fork structural representation of technical solution of the present invention;
Fig. 9 b is the left lock fork front view of technical solution of the present invention;
Fig. 9 c is the left lock fork cut-open view of technical solution of the present invention;
Figure 10 is the right lock fork synoptic diagram of technical solution of the present invention;
Figure 10 a is the right lock fork structural representation of technical solution of the present invention;
Figure 10 b is the right lock fork front view of technical solution of the present invention;
Figure 10 c is the right lock fork cut-open view of technical solution of the present invention;
Figure 11 is the worm gear link rod front view of technical solution of the present invention;
Figure 12 is left spherical nut, the right spherical nut synoptic diagram of technical solution of the present invention;
Figure 12 a is left spherical nut, the right spherical nut structural representation of technical solution of the present invention;
Figure 12 b is left spherical nut, the right spherical nut front view of technical solution of the present invention;
Figure 12 c is left spherical nut, the right spherical nut sectional view of technical solution of the present invention;
Figure 13 is the fixed head synoptic diagram of technical solution of the present invention;
Figure 13 a is the left front diagrammatic sketch of fixed head of technical solution of the present invention;
Figure 13 b is the right front diagrammatic sketch of fixed head of technical solution of the present invention.
Embodiment
As shown in Figure 1; The present invention mainly is made up of fly wheel system, gear train and latch mechanism, and wherein fly wheel system mainly is made up of flywheel stator axis 1, flywheel rotor 2 and base 3, and gear train mainly is made up of fixed head 4, left bearing pressure ring 5, head bearing pressure ring 6, motor 7, worm screw 8, shaft coupling 9, worm gear 10, left fixed leg 11A, right fixed leg 11B, left lock fork 12A, right lock fork 12B, left spherical nut 13A, right spherical nut 13B, worm gear link rod 14, left bearing 15A, right bearing 15B, head bearing 15C and lower bearing 15D; Latch mechanism mainly is made up of shell fragment seat 111, shell fragment 112, spring plate 113, pillar 114, wire rope 115, left joint pin 116A and right joint pin 116B; Flywheel stator axis 1 is in flywheel rotor 2 radially inner sides, and is fixed on the base 3, and fixed head 4 is positioned at flywheel rotor 2 radial outsides; And pass through screw retention on base 3; Left bearing pressure ring 5 is positioned at fixed head 4 left sides, and passes through screw retention on fixed head 4, and head bearing pressure ring 6 is positioned at fixed head 4 upper ends; And pass through screw retention on fixed head 4; Motor 7 is positioned at fixed head 4 lower ends, and passes through screw retention on fixed head 4, and worm screw 8 upper and lower ends link to each other with fixed head 4 with head bearing pressure ring 6 with lower bearing 15D through head bearing 15C respectively; Motor 7 rotating shafts link to each other with worm screw 8 through shaft coupling 9; Worm gear 10 outward flanges cooperate with worm screw 8 through screw thread, and the worm gear 10 inboard keys that pass through are connected with worm gear link rod 14, and are fixed on the worm gear link rod 14 through nut; Worm gear link rod 14 left and right ends are loaded on the fixed head 4 through left bearing 15A and right bearing 15B respectively; Left side spherical nut 13A and right spherical nut 13B cooperate with left lock fork 12A and right lock fork 12B through sphere respectively, and are loaded on the worm gear link rod 14 through screw thread, and left lock fork 12A and right lock fork 12B are fixed on the fixed head 4 through left fixed leg 11A and right fixed leg 11B respectively; Shell fragment seat 111, shell fragment 112, spring plate 113, pillar 114 and wire rope 115 are positioned at flywheel rotor 2 radial outsides; Shell fragment seat 111 is fixed on the base 3; Shell fragment 112 is fixed on the shell fragment seat 111; Spring plate 113 is fixed on the shell fragment 112, and pillar 114 is fixed on the spring plate 113, and wire rope 115 is between spring plate 113 and pillar 114; Left side joint pin 116A and right joint pin 116B are separately fixed in left lock fork 12A and the right lock fork 12B cylindrical hole, and wire rope 115 two ends link to each other with right joint pin 116B with left joint pin 116A respectively.When concrete the application, the latch mechanism of repeatable locking device for magnetically suspended flywheel of the present invention generally needs 6 to 12 circumferencial directions that are distributed on the magnetically levitated flywheel rotor, realizes locking and unlocking function to magnetically levitated flywheel.
Used worm gear 10 materials of the invention described above are cast tin bronze; Worm screw 8 materials are alloy steel; Wire rope 115 diameters are generally between 1.5mm～3mm; Spring plate 113 all needs cure process with flywheel rotor 2 surface in contacts.
Fig. 2 connects schematic cross-section for motor 7, worm gear 10, worm screw 8 among the present invention, and motor 7 is positioned at fixed head 4 lower ends, and passes through screw retention on fixed head 4; Head bearing pressure ring 6 is positioned at fixed head 4 upper ends; And pass through screw retention on fixed head 4, and motor 7 rotating shafts are connected with worm screw 8 through shaft coupling 9, and worm screw 8 upper and lower ends link to each other with fixed head 4 with head bearing pressure ring 6 through head bearing 15C, lower bearing 15D respectively; Worm gear 10 outward flanges cooperate with worm screw 8 through screw thread; The worm gear 10 inboard keys that pass through are connected with worm gear link rod 14, and motor 7, fixed head 4 and worm screw 8 have higher installation right alignment, and precision is between φ 0.008mm～φ 0.015mm.
Fig. 3 for gear train among the present invention at the locking state synoptic diagram; Fig. 3 (a) for gear train among the present invention at the locking state structural representation; Fig. 3 (b) is for the schematic cross-section of gear train among the present invention at locking state, and when needs were locked magnetically levitated flywheel, control system was controlled motor 7 forward rotation; Drive worm screw 8 forward rotation through shaft coupling 9; Through worm gear 10 worm screws 8 slow down amplify output torques after, worm gear 10 drives worm gear link rod 14 forward rotation through key and since left spherical nut 13A and right spherical nut 13B two sides respectively with left lock fork 12A and right lock fork 12B endoporus plane contact; Left spherical nut 13A and right spherical nut 13B axial rotation degree of freedom have been limited; Thereby make left spherical nut 13A and right spherical nut 13B along worm gear link rod 14 translation in opposite directions, swing in opposite directions, realize the locking of flywheel thereby drive the left lock fork 12A and the right lock fork 12B that cooperate with left spherical nut 13A and right spherical nut 13B sphere respectively.
Fig. 4 is gear train released state synoptic diagram among the present invention; Fig. 4 (a) is gear train released state structural representation among the present invention; Fig. 4 (b) is for gear train released state schematic cross-section among the present invention, and when needs carried out release to magnetically levitated flywheel, control system was controlled motor 7 backward rotation; Drive worm screw 8 backward rotation through shaft coupling 9; Through worm gear 10 worm screws 8 slow down amplify output torques after, worm gear 10 drives worm gear link rod 14 backward rotation through key and since left spherical nut 13A and right spherical nut 13B two sides respectively with left lock fork 12A and right lock fork 12B endoporus plane contact; Left spherical nut 13A and right spherical nut 13B axial rotation degree of freedom have been limited; Thereby make left spherical nut 13A and right spherical nut 13B along the 14 reverse translations of worm gear link rod, thereby drive left lock fork 12A and the right lock fork 12B backswing that cooperates with left spherical nut 13A and right spherical nut 13B sphere respectively, realize the release of flywheel.
Fig. 5 is latch mechanism schematic cross-section among the present invention, when carrying out locking, compresses spring plate 113 through wire rope 115, makes it embrace flywheel rotor 2, realizes flywheel locking; When carrying out release, wire rope 115 is in relaxed state, receives curved shell fragment 112, makes spring plate 113 leave flywheel rotor 2 surfaces through crooked restoring force, realizes the flywheel release.
Fig. 6 is wire rope 115 equipment schematic cross-sections among the present invention, and left joint pin 116A and right joint pin 116B are positioned at wire rope 115 two ends, and are fixed in wire rope 115 two ends through compressor.
Fig. 7 is worm gear 10 structural representations among the present invention, and its material is a cast tin bronze, and transverse module is 1, and worm gear 10 numbers of teeth are about 24, and its inner hole key slot cooperates with key, and is connected with worm gear link rod 14 through key.
Fig. 8 is worm screw 8 front views among the present invention, and its material is the 40Cr steel, and the axial plane modulus is 1, and revolving the line direction is dextrorotation, has the degree of precision grade, and its angle of spiral is not more than the angle of friction between worm screw 8 screw threads and worm gear 10 contact patterns.
Fig. 9 is left lock fork 12A synoptic diagram among the present invention; Fig. 9 (a) is left lock fork 12A structural representation among the present invention, and Fig. 9 (b) is left lock fork 12A front view among the present invention, and Fig. 9 (c) is left lock fork 12A cut-open view among the present invention; Its material is metal materials such as aluminium or steel; The middle part circular hole cooperates with left spherical nut 13A, and the upper end small sircle hole cooperates with left joint pin 116A, and the lower end circular hole cooperates with left fixed leg 11A.
Figure 10 is right lock fork 12B synoptic diagram among the present invention; Figure 10 (a) is right lock fork 12B structural representation among the present invention, and Figure 10 (b) is right lock fork 12B front view among the present invention, and Figure 10 (c) is right lock fork 12B cut-open view among the present invention; Its material is metal materials such as aluminium or steel; The middle part circular hole cooperates with right-hand thread ball 13B, and the upper end small sircle hole cooperates with right joint pin 116B, and the lower end circular hole cooperates with right fixed leg 11B.
Figure 11 is worm gear link rod 14 front views among the present invention; Its material is an alloy steel material; Left and right two ends are respectively through left bearing 15A and right bearing 15B; Be installed on the fixed head 4, the middle part keyway is connected with worm gear 10 through key, and left-hand thread (LHT), right-hand thread are through screw thread and left spherical nut 13A and right spherical nut 13B threaded engagement.
Figure 12 is left spherical nut 13A and right spherical nut 13B synoptic diagram among the present invention; Figure 12 (a) is left spherical nut 13A and right spherical nut 13B structural representation among the present invention; Figure 12 (b) is left spherical nut 13A and right spherical nut 13B front view among the present invention; Figure 12 (c) is left spherical nut 13A and right spherical nut 13B cut-open view among the present invention, and its material is an alloy steel material, and the spherical surface that cooperates with left lock fork 12A and right lock fork 12B need be made cure process.
Figure 13 is fixed head 4 synoptic diagram among the present invention; Figure 13 (a) is fixed head 4 left front diagrammatic sketch among the present invention; Figure 13 (b) is fixed head 4 right front diagrammatic sketch among the present invention, and its material is metal materials such as aluminium or steel, is connected with left bearing 15A, right bearing 15B, lower bearing 15D through left bearing hole, right bearing hole, lower bearing hole respectively; Its left end is connected with left bearing pressure ring 5 through left bearing pressure ring threaded hole; The upper end is connected with head bearing pressure ring 6 through head bearing pressure ring threaded hole, and the lower end is connected with motor 7 through the motor threaded hole, and lower front end is connected with left fixed leg 11A, right fixed leg 11B through left staple male screw hole, right staple male screw hole respectively.
In a word, locking device of the present invention has been protected magnetic bearing-supported flywheel system, have reusable, reliability is high, advantages of simple structure and simple.
The content of not doing in the instructions of the present invention to describe in detail belongs to this area professional and technical personnel's known prior art.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. a repeatable locking device for magnetically suspended flywheel mainly is made up of fly wheel system, gear train and latch mechanism, and it is characterized in that: fly wheel system mainly comprises: flywheel stator axis (1), flywheel rotor (2) and base (3); Gear train mainly comprises: fixed head (4), left bearing pressure ring (5), head bearing pressure ring (6), motor (7), worm screw (8), shaft coupling (9), worm gear (10), left fixed leg (11A), right fixed leg (11B), left lock fork (12A), right lock fork (12B), left spherical nut (13A), right spherical nut (13B), worm gear link rod (14), left bearing (15A), right bearing (15B), head bearing (15C) and lower bearing (15D); Latch mechanism mainly comprises: shell fragment seat (111), shell fragment (112), spring plate (113), pillar (114), wire rope (115), left joint pin (116A) and right joint pin (116B); Flywheel stator axis (1) is in flywheel rotor (2) radially inner side, and is fixed on the base (3), and fixed head (4) is positioned at flywheel rotor (2) radial outside; And pass through screw retention on base (3); Left bearing pressure ring (5) is positioned at fixed head (4) left side, and passes through screw retention on fixed head (4), and head bearing pressure ring (6) is positioned at fixed head (4) upper end; And pass through screw retention on fixed head (4); Motor (7) is positioned at fixed head (4) lower end, and passes through screw retention on fixed head (4), and worm screw (8) upper and lower end links to each other with fixed head (4) with head bearing pressure ring (6) with lower bearing (15D) through head bearing (15C) respectively; Motor (7) rotating shaft links to each other with worm screw (8) through shaft coupling (9); Worm gear (10) outward flange cooperates with worm screw (8) through screw thread, and worm gear (10) is inboard to be connected with worm gear link rod (14) through key, and is fixed on the worm gear link rod (14) through nut; The left and right end of worm gear link rod (14) is loaded on the fixed head (4) through left bearing (15A) and right bearing (15B) respectively; Left side spherical nut (13A) and right spherical nut (13B) cooperate with left lock fork (12A) and right lock fork (12B) through sphere respectively, and are loaded on the worm gear link rod (14) through screw thread, and left lock fork (12A) and right lock fork (12B) are fixed on the fixed head (4) through left fixed leg (11A) and right fixed leg (11B) respectively; Shell fragment seat (111), shell fragment (112), spring plate (113), pillar (114) and wire rope (115) are positioned at flywheel rotor (2) radial outside; Shell fragment seat (111) is fixed on the base (3); Shell fragment (112) is fixed on the shell fragment seat (111); Spring plate (113) is fixed on the shell fragment (112), and pillar (114) is fixed on the spring plate (113), and wire rope (115) is positioned between spring plate (113) and the pillar (114); Left side joint pin (116A) and right joint pin (116B) are separately fixed in left lock fork (12A) and right lock fork (12B) cylindrical hole, and wire rope (115) two ends link to each other with right joint pin (116B) with left joint pin (116A) respectively.
2. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: described left bearing (15A), right bearing (15B), head bearing (15C) and lower bearing (15D) are deep groove ball bearing.
3. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: described worm gear (10) is the cast tin bronze material.
4. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: described worm screw (8) and spring plate (113) are alloy steel material.
5. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: described shell fragment (112) is a spring steel 65Mn material.
6. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: described spring plate (113) is all made cure process with the surface in contact of flywheel rotor (2).
7. a kind of repeatable locking device for magnetically suspended flywheel according to claim 1 is characterized in that: two sections thread rotary orientations that described worm gear link rod (14) cooperates with left spherical nut (13A) and right spherical nut (13B) are opposite, and pitch is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910093150 CN101693472B (en) | 2009-09-25 | 2009-09-25 | Repeatable locking device for magnetically suspended flywheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910093150 CN101693472B (en) | 2009-09-25 | 2009-09-25 | Repeatable locking device for magnetically suspended flywheel |
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| CN101693472A CN101693472A (en) | 2010-04-14 |
| CN101693472B true CN101693472B (en) | 2012-05-23 |
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| CN 200910093150 Expired - Fee Related CN101693472B (en) | 2009-09-25 | 2009-09-25 | Repeatable locking device for magnetically suspended flywheel |
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| CN102829784B (en) * | 2012-08-22 | 2015-04-29 | 北京航空航天大学 | Manual operation-automation-locking switching mechanism of inertially stabilized platform |
| CN104309821A (en) * | 2014-09-29 | 2015-01-28 | 北京石油化工学院 | Repeatable maglev flywheel locking device |
| CN104535102B (en) * | 2015-01-15 | 2017-01-04 | 北京航空航天大学 | A kind of biaxial stabilization tracking platform orientation framework machinery-electromagnetic locking conversion equipment |
| CN104899400B (en) * | 2015-06-24 | 2018-02-23 | 北京石油化工学院 | The repeatable design method for embracing formula locking device shell fragment of magnetically levitated flywheel |
| CN104899399B (en) * | 2015-06-24 | 2018-01-12 | 北京石油化工学院 | The design method of repeatable electromagnetic locking device electromagnet |
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| DE102015114819B3 (en) * | 2015-09-04 | 2016-12-22 | Rockwell Collins Deutschland Gmbh | Spin wheel device for position stabilization of a spacecraft |
| CN107352049A (en) * | 2017-06-06 | 2017-11-17 | 上海卫星工程研究所 | Spacecraft memorial alloy driving rope holds repeatable tripper tightly |
| CN108657468B (en) * | 2018-04-20 | 2020-08-14 | 北京控制工程研究所 | Momentum wheel driving moment distribution method with maximum angular momentum envelope |
| CN111030362B (en) * | 2019-11-28 | 2020-12-18 | 珠海格力电器股份有限公司 | Locking mechanism and magnetic suspension system with same |
| CN111030366B (en) * | 2019-12-02 | 2021-07-30 | 珠海格力电器股份有限公司 | Automatic braking structure of magnetic suspension main shaft and magnetic suspension system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246079A (en) * | 2008-03-21 | 2008-08-20 | 北京航空航天大学 | Five-freedom active control magnetic suspension free rolling system |
| CN101367439A (en) * | 2008-09-19 | 2009-02-18 | 北京航空航天大学 | Repeatable locking device |
-
2009
- 2009-09-25 CN CN 200910093150 patent/CN101693472B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246079A (en) * | 2008-03-21 | 2008-08-20 | 北京航空航天大学 | Five-freedom active control magnetic suspension free rolling system |
| CN101367439A (en) * | 2008-09-19 | 2009-02-18 | 北京航空航天大学 | Repeatable locking device |
Non-Patent Citations (1)
| Title |
|---|
| 费从宇,李英堂.飞轮转速过零时卫星姿态的非线.《中国空间科学技术》.2001,第5卷21-24. * |
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| Publication number | Publication date |
|---|---|
| CN101693472A (en) | 2010-04-14 |
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