CN207018462U - Planetary gear train type rolls over extending apparatus - Google Patents
Planetary gear train type rolls over extending apparatus Download PDFInfo
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- CN207018462U CN207018462U CN201720875275.9U CN201720875275U CN207018462U CN 207018462 U CN207018462 U CN 207018462U CN 201720875275 U CN201720875275 U CN 201720875275U CN 207018462 U CN207018462 U CN 207018462U
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Abstract
The utility model discloses planetary gear train type to roll over extending apparatus.Most of spacecraft folding and unfolding mechanisms only have one-level expansion, lack locking system, fold than small, and transmission efficiency is low.The utility model includes rotating mechanism, returning face plate, folding exhibition component, Transmission Mechanism of Planetary Gear System, gear drive and static plate.Rotating mechanism includes fixed plate, connecting plate and the first motor；Transmission Mechanism of Planetary Gear System includes fan-shaped internal gear, planetary gear, sun gear, first support, second support and planet carrier；Folding exhibition component includes first connecting rod, second connecting rod, the first sliding block, the second sliding block and support frame；Support frame shares 2n+1, and 2n+1 support frame is arranged in order setting, and the inner of two neighboring support frame is hinged.The utility model is folded than greatly, controlling expanded angle using the thin-film solar cells on support frame, having higher accuracy and stability.
Description
Technical field
The utility model belongs to aerospace field, and in particular to a kind of planetary gear train type rolls over extending apparatus.
Background technology
Solar energy is the main energy sources of spacecraft.In order to ensure to receive enough solar energy, folding and unfolding mechanism is a large amount of
Applied to engineering machinery and aerospace field.At present, ripe solar panel development mechanism mainly has be hinged deployable
Mechanism, shaft-like deployable mechanism, its feature are that the light-receiving area after deploying is big.But such solar panel development mechanism institute
Solar panel is mainly rigid structure, that the output power of unit mass is low etc. be present.In addition, most of space flight
Device folding and unfolding mechanism only has one-level expansion, lacks locking system, folds than small, and transmission efficiency is low.
The content of the invention
The purpose of this utility model is to provide a kind of planetary gear train type folding extending apparatus.
The utility model include rotating mechanism, returning face plate, folding exhibition component, Transmission Mechanism of Planetary Gear System, gear drive and
Static plate.Described rotating mechanism includes fixed plate, connecting plate and the first motor；Described fixed plate and one end of connecting plate lead to
The jointed shaft being fixed on connecting plate is crossed to be hinged.Jointed shaft is driven by the first motor.
Described Transmission Mechanism of Planetary Gear System include fan-shaped internal gear, planetary gear, sun gear, first support, second
Frame and planet carrier；Fan-shaped internal gear is coaxially disposed with sun gear and forms revolute pair.Planetary gear and fan-shaped internal gear internal messing,
With sun gear external toothing.First support is fixed on sun gear.Second support is fixed on planetary gear.Planetary gear and the sun
Wheel forms revolute pair with planet carrier.One end of first support and static plate is fixed.The other end of static plate is fixed with connecting plate.
First support is fixed with returning face plate.Fan-shaped internal gear is driven by gear drive.
Described folding exhibition component includes first connecting rod, second connecting rod, the first sliding block, the second sliding block and support frame；Support frame
Shared 2n+1,1≤n≤10,2n+1 support frame is arranged in order setting, and the inner of two neighboring support frame is hinged.2n+1
Support frame in individual support frame positioned at center position is as main backstop；Positioned at outermost two supports in 2n+1 support frame
Frame is respectively as the first side stand component and the second side stand component.Main backstop is fixed with planet carrier.One end of first connecting rod and the
One side stand component is hinged, and the other end is hinged with the first sliding block.First sliding block forms sliding pair with returning face plate.One end of second connecting rod
It is hinged with the second side stand component, the other end is hinged with the second sliding block.Second sliding block forms sliding pair with static plate.
Two adjacent support frames are connected by a thin-film solar cells.Under closed configuration, all support frames and
Thin-film solar cells is collapsed between returning face plate and static plate.
The utility model also includes lock-unlock mechanism；Lock-unlock mechanism includes voussoir and lock solution component；Voussoir is fixed on returning face plate
On.Voussoir and the wedge groove position correspondence opened up in fixed plate.Lock solution component includes wedge block, gripping block and spring；Wedge block is in U
Shape, and be fixed in static plate, the two sides of wedge block inwall are connected by spring respectively with two gripping blocks.Under closed configuration,
Voussoir is stuck in the wedge groove in fixed plate.Thin-film solar cells is collapsed between returning face plate and static plate.Under deployed condition,
Voussoir is stuck between two pieces of gripping blocks in lock solution component.
Under closed configuration, voussoir is stuck in the wedge groove in fixed plate.Under deployed condition, voussoir is stuck in lock solution component
Between two pieces of gripping blocks.
The central angle of the fan-shaped internal gear is 60~360 °.
The utility model also includes fixing lug boss, the first hinged seat, the second hinged seat and rolling bearing.The first described hinge
Joint chair is fixed in fixed plate.Described jointed shaft is supported on the first hinged seat by rolling bearing.Described fixing lug boss
It is fixed in fixed plate；The first motor is fixed with fixing lug boss；One end of first motor output shaft and jointed shaft is fixed；It is be hinged
The other end of axle is fixed with the second hinged seat.One end of second hinged seat and connecting plate is fixed.
The utility model also includes magnetic lock plate and magnetic key operated lock.Described magnetic lock plate is arranged at intervals with fixed plate.Described magnetic
Jam plate and fixed plate are each attached on spacecraft.Described magnetic key operated lock is fixed on that end of connecting plate away from jointed shaft.Magnetic lock plate
On offer magnetic padlock breach；Iron block is fixed with magnetic padlock breach；The position of magnetic padlock breach is corresponding with magnetic key operated lock.Under deployed condition,
Iron block and magnetic key operated lock locking on magnetic lock plate in magnetic padlock breach.
Described gear drive includes base and the second motor.Described base is fixed in static plate；Described
Two motors are fixed on base；The output shaft of second motor is fixed with fan-shaped internal gear.
The utility model has an advantageous effect in that：
1st, the utility model has rotary folding exhibition and planetary gear train folding exhibition two-stage folding exhibition, and folding is bigger, and planetary gear train
Transmission mechanism, transmission efficiency, and repetition folding exhibition can be realized.
2nd, the utility model can realize repetition locking and separation by the combination of spring and gripping block.
3rd, for the utility model using thin-film solar cells as generating element, volume and weight is smaller, effectively increases
The generating efficiency of unit mass.
4th, the utility model is folded than greatly, controlling expanded angle using the thin-film solar cells on support frame, having
Higher accuracy and stability.
5th, it is quite varied to can be applied to occasion, the application fields such as antenna expansion for the utility model.
6th, occupied little space when the utility model folds, work area is big during expansion.
Brief description of the drawings
Fig. 1 is overall structure diagram of the utility model under closed configuration；
Fig. 2 is overall structure diagram of the utility model under half deployed condition；
Fig. 3 is the overall structure diagram of the utility model in the deployed state；
Fig. 4 is the stereogram of rotating mechanism in the utility model；
Fig. 5 is the stereogram of Transmission Mechanism of Planetary Gear System in the utility model；
Fig. 6 is the stereogram under lock-unlock mechanism fully locked state in the utility model；
Fig. 7 is that lock-unlock mechanism starts lock-out state schematic diagram in the utility model；
Fig. 8 is lock-unlock mechanism fully locked state schematic diagram in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1,2 and 3, planetary gear train type folding extending apparatus, including rotating mechanism 2, returning face plate 3, folding exhibition component 5, OK
Star wheel series transmission mechanism 6, the second motor 7, static plate 9 and lock-unlock mechanism 10.
As shown in Fig. 1,2,3 and 4, rotating mechanism 2 includes magnetic lock plate 1, fixed plate 11, connecting plate 2-1, jointed shaft 2-2, solid
Determine boss 2-3, magnetic key operated lock 2-4, the first hinged seat 2-5, the second hinged seat 2-6, rolling bearing 2-7 and the first motor 2-8；Magnetic padlock
Plate 1 and fixed plate 11 are each attached on spacecraft.Magnetic lock plate 1 is arranged at intervals with fixed plate 11.First hinged seat 2-5 is fixed on
On fixed board 11.Jointed shaft 2-2 is supported on the first hinged seat 2-5 by rolling bearing 2-7.Fixing lug boss 2-3 is fixed on fixation
On plate 11；The first motor 2-8 is fixed with fixing lug boss 2-3；One end of first motor 2-8 output shafts and jointed shaft 2-2 passes through
Shaft coupling is fixed；The jointed shaft 2-2 other end is fixed with the second hinged seat 2-6.The one of second hinged seat 2-6 and connecting plate 2-1
End is fixed.The connecting plate 2-1 other end is fixed with magnetic key operated lock 2-4.Magnetic padlock breach is offered on magnetic lock plate 1；It is solid in magnetic padlock breach
Surely there is iron block；The position of magnetic padlock breach is corresponding with magnetic key operated lock 2-4.
As shown in Fig. 1,2,3 and 5, Transmission Mechanism of Planetary Gear System 6 includes fan-shaped internal gear 6-1, planetary gear 6-2, the sun
Take turns 6-3, first support 6-4, second support 6-5 and planet carrier 6-6；Fan-shaped internal gear 6-1 central angle is 60 °.Fan-shaped internal tooth
Wheel 6-1 and sun gear 6-3 is coaxially disposed.Planetary gear 6-2 and fan-shaped internal gear 6-1 internal messings, with sun gear 6-3 external toothings.
First support 6-4 is fixed on sun gear 6-3.Second support 6-5 is fixed on planetary gear 6-2.Planetary gear 6-2 and the sun
Take turns 6-3 and form revolute pair with planet carrier 6-6.First support 6-4 and one end of static plate 9 are fixed.The other end of static plate 9 with
Connecting plate 2-1 is fixed.First support 6-4 fixes with returning face plate 3.Base 8 is fixed with static plate 9；Second is fixed with base 8
Motor 7；The output shaft of second motor 7 is fixed with fan-shaped internal gear 6-1.
As shown in Figure 1,2 and 3, folding exhibition component 5 includes first connecting rod 5-1, second connecting rod 5-2, the first sliding block 5-3, second
Sliding block 5-4 and support frame 5-5；Support frame 5-5 shares nine, and nine support frame 5-5 are arranged in order setting, two neighboring support frame
5-5's is inner be hinged.Two adjacent support frame 5-5 are connected by a thin-film solar cells.Nine support frame 5-5
In positioned at center position support frame 5-5 as main backstop；It is located at outermost two support frame 5- in nine support frame 5-5
5 respectively as the first side stand component and the second side stand component.Main backstop is fixed with planet carrier 6-6.First connecting rod 5-1 one end
It is hinged with the first side stand component, the other end is hinged with the first sliding block 5-3.First sliding block 5-3 forms sliding pair with returning face plate 3.The
Two connecting rod 5-2 one end is hinged with the second side stand component, and the other end is hinged with the second sliding block 5-4.Second sliding block 5-4 and static plate
9 form sliding pair.
As shown in Fig. 1,2,3,6,7 and 8, lock-unlock mechanism 10 includes voussoir 4 and lock solution component；Voussoir 4 is fixed on returning face plate 3
On.Voussoir 4 and the wedge groove 11-1 position correspondences opened up in fixed plate 11.Lock solution component includes wedge block 10-1, gripping block 10-2
With spring 10-3；Wedge block 10-1 takes the shape of the letter U, and is fixed in static plate 9, the two sides of wedge block 10-1 inwalls and two gripping blocks
10-2 is connected by spring 10-3 respectively.
Under closed configuration, voussoir 4 is stuck in the wedge groove 11-1 in fixed plate 11.Folding exhibition component 5 is in folded state, thin
Film solar cell is collapsed between returning face plate 3 and static plate 9.Under deployed condition, voussoir 4 is stuck in two pieces of folders in lock solution component
Between tight block 10-2.Iron block and magnetic key operated lock 2-4 lockings on magnetic lock plate 1 in magnetic padlock breach.Folding exhibition component 5 is in deployed condition.
The folding exhibition method of planetary gear train type folding extending apparatus includes method of deploying and method for folding：
The method of deploying of planetary gear train type folding extending apparatus is as follows：
Step 1: the first motor 2-8 is rotated forward, driving jointed shaft 2-2 is rotated, so as to drive the second hinged seat 2-6 to rotate, the
Two hinged seat 2-6 drive connection plates 2-1 are rotated, until magnetic key operated lock 2-4 enters in the magnetic padlock breach of magnetic lock plate 1, the first motor 2-8
Stalling.Magnetic key operated lock 2-4 starts, magnetic key operated lock 2-4 and iron block adhesive in magnetic padlock breach on magnetic lock plate 1.
Step 2: the second motor 7 rotates forward, drive fan-shaped internal gear 6-1 to rotate, drive planetary gear 6-2 rotations and revolution,
So as to drive returning face plate 3 and planet carrier 6-6 to rotate.Planet carrier 6-6 drives main backstop to rotate.Remaining support frame 5-5 is being overturn
Deploy under the traction of plate 3, main backstop and thin-film solar cells.Until voussoir 4 is stuck in two pieces of gripping blocks in lock solution component
Between 10-2, the second motor 7 stalls.
The method for folding of planetary gear train type folding extending apparatus is as follows：
Step 1: the second motor 7 inverts, drive fan-shaped internal gear 6-1 to rotate, drive planetary gear 6-2 rotations and revolution,
So as to drive returning face plate 3 and planet carrier 6-6 to rotate.Planet carrier 6-6 drives main backstop to rotate.Remaining support frame 5-5 is being overturn
Close up under the traction of plate 3, main backstop and thin-film solar cells.Until the adjacent support frame 5-5 of any two is bonded, the
Two motors 7 stall.
Step 2: magnetic key operated lock 2-4 is closed, magnetic key operated lock 2-4 and iron block in magnetic padlock breach on magnetic lock plate 1 suction disappear.The
One motor 2-8 is inverted, and driving jointed shaft 2-2 is rotated, and so as to drive the second hinged seat 2-6 to rotate, the second hinged seat 2-6 drivings connect
Fishplate bar 2-1 is rotated, until voussoir 4 is caught in the wedge groove 11-1 in fixed plate 11, the first motor 2-8 stallings.
Claims (8)
1. planetary gear train type rolls over extending apparatus, including rotating mechanism, returning face plate, folding exhibition component, Transmission Mechanism of Planetary Gear System, gear drive
Moving part and static plate；It is characterized in that：Described rotating mechanism includes fixed plate, connecting plate and the first motor；Described fixation
One end of plate and connecting plate is hinged by the jointed shaft being fixed on connecting plate；Jointed shaft is driven by the first motor；
Described Transmission Mechanism of Planetary Gear System include fan-shaped internal gear, planetary gear, sun gear, first support, second support and
Planet carrier；Fan-shaped internal gear is coaxially disposed with sun gear and forms revolute pair；Planetary gear and fan-shaped internal gear internal messing, and too
Sun wheel external toothing；First support is fixed on sun gear；Second support is fixed on planetary gear；Planetary gear and sun gear are equal
Revolute pair is formed with planet carrier；One end of first support and static plate is fixed；The other end of static plate is fixed with connecting plate；First
Support is fixed with returning face plate；Fan-shaped internal gear is driven by gear drive；
Described folding exhibition component includes first connecting rod, second connecting rod, the first sliding block, the second sliding block and support frame；Support frame shares
2n+1,1≤n≤10,2n+1 support frame is arranged in order setting, and the inner of two neighboring support frame is hinged；2n+1 branch
Support frame in support positioned at center position is as main backstop；Positioned at outermost two support frames point in 2n+1 support frame
Zuo Wei not the first side stand component and the second side stand component；Main backstop is fixed with planet carrier；One end of first connecting rod and the first side
Support frame is hinged, and the other end is hinged with the first sliding block；First sliding block forms sliding pair with returning face plate；One end of second connecting rod and the
Two side stand components are hinged, and the other end is hinged with the second sliding block；Second sliding block forms sliding pair with static plate.
2. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：Two adjacent support frames pass through
One thin-film solar cells connection；Under closed configuration, all support frames and thin-film solar cells collapse in returning face plate with
Between static plate.
3. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：Also include lock-unlock mechanism；Lock solution machine
Structure includes voussoir and lock solution component；Voussoir is fixed on returning face plate；Voussoir and the wedge groove position correspondence opened up in fixed plate；Lock
Solution component includes wedge block, gripping block and spring；Wedge block takes the shape of the letter U, and is fixed in static plate, the two sides of wedge block inwall with two
Gripping block is connected by spring respectively.
4. planetary gear train type according to claim 3 rolls over extending apparatus, it is characterised in that：Under closed configuration, voussoir is stuck in solid
In wedge groove on fixed board；Under deployed condition, voussoir is stuck between two pieces of gripping blocks in lock solution component.
5. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：The central angle of the fan-shaped internal gear
For 60~360 °.
6. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：Also include fixing lug boss, the first hinge
Joint chair, the second hinged seat and rolling bearing；The first described hinged seat is fixed in fixed plate；Described jointed shaft passes through rolling
Bearing is supported on the first hinged seat；Described fixing lug boss is fixed in fixed plate；The first motor is fixed with fixing lug boss；
One end of first motor output shaft and jointed shaft is fixed；The other end of jointed shaft is fixed with the second hinged seat；Second hinged seat with
One end of connecting plate is fixed.
7. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：Also include magnetic lock plate and magnetic key operated lock；
Described magnetic lock plate is arranged at intervals with fixed plate；Described magnetic lock plate and fixed plate is each attached on spacecraft；Described magnetic force
Locking is scheduled on that end of connecting plate away from jointed shaft；Magnetic padlock breach is offered on magnetic lock plate；Iron block is fixed with magnetic padlock breach；Magnetic
The position for locking breach is corresponding with magnetic key operated lock；Under deployed condition, iron block and magnetic key operated lock locking on magnetic lock plate in magnetic padlock breach.
8. planetary gear train type according to claim 1 rolls over extending apparatus, it is characterised in that：Described gear drive includes bottom
Seat and the second motor；Described base is fixed in static plate；The second described motor is fixed on base；Second motor it is defeated
Shaft is fixed with fan-shaped internal gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875275.9U CN207018462U (en) | 2017-07-19 | 2017-07-19 | Planetary gear train type rolls over extending apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875275.9U CN207018462U (en) | 2017-07-19 | 2017-07-19 | Planetary gear train type rolls over extending apparatus |
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| Publication Number | Publication Date |
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| CN207018462U true CN207018462U (en) | 2018-02-16 |
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ID=61481438
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720875275.9U Active CN207018462U (en) | 2017-07-19 | 2017-07-19 | Planetary gear train type rolls over extending apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255149A (en) * | 2017-07-19 | 2017-10-17 | 浙江理工大学 | Planetary gear train type rolls over extending apparatus and its folding exhibition method |
| CN109551021A (en) * | 2019-01-22 | 2019-04-02 | 上海源盛机械电气制造有限公司 | A kind of track fat edges milling attachment |
-
2017
- 2017-07-19 CN CN201720875275.9U patent/CN207018462U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255149A (en) * | 2017-07-19 | 2017-10-17 | 浙江理工大学 | Planetary gear train type rolls over extending apparatus and its folding exhibition method |
| CN109551021A (en) * | 2019-01-22 | 2019-04-02 | 上海源盛机械电气制造有限公司 | A kind of track fat edges milling attachment |
| CN109551021B (en) * | 2019-01-22 | 2024-04-05 | 上海源盛机械电气制造有限公司 | Rail fat edge milling device |
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