CN218086077U

CN218086077U - Sliding type solar wing capable of being repeatedly folded

Info

Publication number: CN218086077U
Application number: CN202222422367.5U
Authority: CN
Inventors: 丁强强; 保玲; 王非; 李强; 邓海军
Original assignee: Chongqing Kaichuang Satellite Technology Co ltd
Current assignee: Chongqing Kaichuang Satellite Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-20
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a space flight technical field specifically is a solar wing that slidingtype can repeatedly draw in, it includes: backup pad, sun wing, deployment mechanism, transmission case, the upper end of backup pad is equipped with the sun wing, the both sides of sun wing are equipped with deployment mechanism, the upper end both sides of backup pad are equipped with the transmission case, both ends all are provided with accomodate the groove about the backup pad, accomodate the groove outside and are located and are equipped with support piece in the backup pad, support piece upper end inboard is provided with spacing portion, deployment mechanism comprises multiunit expansion piece, expansion piece front end one side is provided with the guide way, expansion piece rear end below is provided with the guide, guide slidable mounting is in the guide way, the utility model discloses a receive the magnetic force fit between putting rope and each exhibition addressee, can realize the stable expansion of sun wing and draw in to satisfy the demand to the sun wing under the special environment.

Description

Sliding type solar wing capable of being repeatedly folded

Technical Field

The utility model relates to an aerospace field, concretely relates to solar wing that slidingtype can repeatedly draw in.

Background

The active spacecraft mainly adopts three deployable solar wings: 1) The rigid, multi-plate and Z-shaped folding and unfolding type solar wing is generally driven by a spring, unfolded in place at one time and locked, and the solar wing is widely applied to cover various power-demand spacecrafts, and has high technical maturity and reliability; 2) Flexible wings such as space stations supported by expandable trusses; 3) The flexible wing which is rolled and folded integrally has high folding efficiency, such as the ROSA solar wing in the United states. Wherein the class 1 sun wing surface density is relatively high; the type 2 and 3 solar wings have repeated folding and unfolding capacity and are suitable for application scenes with large size requirements, otherwise, the mass of the unfolding mechanism is large. Therefore, the existing solar wing still has certain defects in special application scenes that the unfolding area is relatively small, the requirement on repeated folding and unfolding functions is met, and the requirement on weight and folding envelope is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to control the winding and unwinding speed of the winding and unwinding rope by the motor and to maintain the developed posture of the solar wing by the magnetic force between the respective developed parts, and to achieve the above object by the following technical solutions:

a sliding, re-furlable solar wing, comprising: the solar wing unfolding device comprises a supporting plate, a solar wing, a unfolding mechanism and a transmission case, wherein the solar wing is arranged at the upper end of the supporting plate, the unfolding mechanism is arranged on two sides of the solar wing, the transmission case is arranged on two sides of the upper end of the supporting plate, the accommodating grooves are formed in the left end and the right end of the supporting plate, a supporting piece is arranged outside the accommodating grooves and on the supporting plate, a limiting part is arranged on the inner side of the upper end of the supporting piece, the unfolding mechanism is composed of a plurality of groups of unfolding pieces, a guide groove is arranged on one side of the front end of each unfolding piece, a guide piece is arranged below the rear end of each unfolding piece, the guide pieces are slidably arranged in the guide grooves, a first magnetic force part and a second magnetic force part are respectively arranged at the lower end and the upper end of each guide groove, a limiting part is arranged in the middle of the right end of each unfolding piece, the transmission case is characterized in that a driving motor is fixedly arranged at the front end of the transmission case, the output end of the driving motor is fixedly connected with a first rotary rod, a plurality of control gears with different sizes are fixedly arranged on the periphery of the first rotary rod, a second rotary rod is arranged in the transmission case and positioned on one side of the first rotary rod, a plurality of rotary gears with different sizes are rotatably arranged on the second rotary rod, retraction wheels are fixed at the rear ends of the rotary gears, retraction ropes are wound on the retraction wheels, two groups of third rotary rods are arranged in the transmission case and positioned above the second rotary rod, and a plurality of guide wheels with the same size are rotatably arranged on the third rotary rods; and the adjacent guide parts on the two groups of third rotating rods are respectively penetrated by a retracting rope, and the upper ends of the different retracting ropes are respectively fixedly connected with the lower ends of the corresponding unfolding pieces.

Preferably, the solar wing is formed by a multi-layer flexible solar cell array substrate

Preferably, the inner side of each group of the unfolding pieces is fixedly connected with the outer side of the corresponding solar cell array substrate in the solar wing

Preferably, the upper end and the lower end of the guide piece are respectively provided with an electromagnetic device, the first magnetic part can provide repulsive force for the electromagnetic devices, and the second magnetic part can provide adsorptive force for the electromagnetic devices

Preferably, a magnetic attraction sheet is arranged above the limiting part, and the lower end of the limiting part is in contact with the upper end of the limiting part

Preferably, a plurality of the control gears are meshed with the corresponding rotary gears, and the transmission ratio between the four groups of rotary gears and the control gears is 1:2:3:4.

the utility model discloses beneficial effect:

1. the utility model discloses a speed that the motor expanded the solar wing is controlled, can prevent that too big impact force from leading to the problem of solar wing expansion failure to appear.

2. The utility model discloses a receive and release the rope and each exhibition magnetic force cooperation between the addressee, can realize the stable expansion of solar wing and draw in to satisfy the demand to the solar wing under the special environment.

Drawings

Fig. 1 is a schematic view of the overall structure of the solar wing in a furled state.

Fig. 2 is the overall structure schematic diagram of the solar wing in the open state.

Fig. 3 is a schematic view of the supporting plate structure provided by the present invention.

Fig. 4 is an exploded view of the deployment mechanism structure provided by the present invention.

Fig. 5 is a sectional view of the structure of the deployment mechanism provided by the present invention.

Fig. 6 is a top view of the inner structure of the unfolding member provided by the present invention.

Fig. 7 is a schematic view of the internal structure of the transmission case provided by the present invention.

Fig. 8 is the schematic view of the rope winding and unwinding transmission structure provided by the present invention.

Fig. 9 is a top view of the rope winding and unwinding transmission structure provided by the present invention.

Description of reference numerals:

in the figure, 100, the support plate; 101. a receiving groove; 110. a support member; 111. a limiting part; 200. a solar wing; 300. a deployment mechanism; 310. a deployment member; 320. a guide groove; 330. a guide member; 340. a limiting member; 350. a first magnetic force part; 360. a second magnetic force part; 400. a transmission case; 410. a drive motor; 420. a control gear; 421. a first rotating rod; 430. a rotating gear; 431. a second rotating rod; 432. a retracting wheel; 440. a guide wheel; 441. a third rotating rod; 442. a guide portion; 450. and (6) winding and unwinding the rope.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, however, the present invention can be implemented in various forms, and therefore, the present invention is not limited to the embodiments described hereinafter, and in addition, in order to describe the present invention more clearly, components not connected to the present invention will be omitted from the drawings;

as shown in fig. 1 and 2, a sliding type solar wing capable of being repeatedly folded includes: a support plate 100 for supporting the whole mechanism, a solar wing 200 positioned at the upper end of the support plate 100, unfolding mechanisms 300 positioned at the left and right ends of the solar wing 200, and a transmission case 400 positioned below the left and right ends of the support plate 100;

the solar wing 200 is composed of a plurality of layers of flexible solar cell array substrates;

as shown in fig. 1 to 3, the supporting plate 100 is provided with receiving grooves 101 at both left and right ends;

a supporting member 110 is arranged outside the accommodating groove 101;

a limiting part 111 is arranged on the inner side of the upper end of the supporting part 110;

a magnetic attraction sheet (not shown in the figure) is arranged above the limiting part 111;

as shown in fig. 1-6, the deployment mechanism 300 is comprised of multiple sets of deployers 310;

the inner side of each set of unfolding parts 310 is fixedly connected with the outer side of the corresponding solar cell array substrate in the solar wing 200;

a guide groove 320 is formed at one side of the front end of the unfolding part 310;

a guide 330 is arranged below the rear end of the unfolding part 310, and the guide 330 in the unfolding part 310 can be slidably arranged in the guide groove 320 of the unfolding part 310 at the rear end of the unfolding part;

a first magnetic part 350 and a second magnetic part 360 are respectively arranged at the lower end and the upper end of the guide groove 320;

electromagnetic devices (not shown in the figure) are arranged at the upper end and the lower end of the guide piece 330;

the first magnetic force portion 350 may provide repulsive force for an electromagnetic device (not shown), and the second magnetic force portion 360 may provide attractive force for the electromagnetic device (not shown);

the middle part of the right end of the unfolding piece 310 is provided with a limiting piece 340;

the lower end of the limiting member 340 contacts with the upper end of the limiting part 111 when the solar wing 200 is in the folded state, and is magnetically attracted by the limiting part 111 for limiting;

the lower end of the unfolding part 310 is located inside the accommodating groove 101 when the solar wing 200 is in the folded state;

as shown in fig. 1-9, a driving motor 410 is fixedly arranged at the front end of the transmission case 400;

the output end of the driving motor 410 penetrates through the side wall of the transmission case 400 and is fixedly connected with the first rotating rod 421;

a plurality of control gears 420 with different sizes are fixedly arranged on the periphery of the first rotating rod 421;

a second rotating rod 431 is arranged on one side of the first rotating rod 421;

the second rotating rods 431 are fixedly arranged on the inner walls of the two sides of the transmission case 400;

a plurality of rotary gears 430 with different sizes are rotatably mounted on the periphery of the second rotary rod 431, that is, each rotary gear 430 can independently rotate;

a plurality of the control gears 420 are engaged with their corresponding rotating gears 430, and the transmission ratio is 1:2:3:4;

a retraction wheel 432 is fixed at the rear end of each rotary gear 430;

a winding and unwinding rope 450 is wound on the winding and unwinding wheel 432;

two groups of third rotating rods 441 are arranged at the upper ends of the second rotating rods 431;

the third rotating rod 441 is fixedly arranged on the inner walls of the two sides of the transmission case 400;

a plurality of guide wheels 440 with the same size are rotatably mounted on the outer circumference of the third rotating rod 441;

the single guide wheel 440 has a guide portion 442 at the outer side of the middle thereof;

a winding and unwinding rope 450 passes through the adjacent guide parts 442 on the two groups of third rotating rods 441;

the upper ends of the different winding and unwinding ropes 450 are fixedly connected with the lower ends of the corresponding unfolding pieces 310;

the utility model discloses a theory of operation:

when the solar wing is in a furled state: the lower end of the limiting part 340 on each unfolding member 310 is contacted with the limiting part 111 and is limited by the electromagnetic adsorption of the limiting part 111, meanwhile, the lower end of each unfolding member 310 is inserted into the accommodating groove 101 to further limit each unfolding member 310, most of the accommodating rope 450 is wound on the accommodating wheel 432 at the moment, and the guiding parts 330 at the lower end of each unfolding member 310 are positioned at the lower ends of the adjacent guiding grooves 320;

when the solar wing needs to be unfolded: the limit of the limiting part 340 by the limiting part 111 is released, the control gear 420 is controlled to rotate by the driving motor 410, so that the rotating gear 430 is driven to rotate, the retracting wheel 432 is driven to rotate to provide retracting ropes 450 with different lengths, meanwhile, the first magnetic part 350 provides upward force for the guide part 330 above the first magnetic part until the guide part 330 contacts with the second magnetic part 360, and the position of the unfolding part 310 is kept under the action of the adsorption force of the second magnetic part 360, so that the unfolding posture of the sun wing 200 is kept;

when the solar wing needs to be folded: the control gear 420 is controlled by the driving motor 410 to rotate reversely until the limiting member 340 contacts with the limiting portion 111.

Claims

1. A sliding, re-furlable solar wing, comprising: the solar wing unfolding device comprises a support plate (100), a solar wing (200), a unfolding mechanism (300) and a transmission case (400); the method is characterized in that: the upper end of backup pad (100) is equipped with sun wing (200), the both sides of sun wing (200) are equipped with deployment mechanism (300), the upper end both sides of backup pad (100) are equipped with transmission case (400), both ends all are provided with accomodate groove (101) about backup pad (100), accomodate groove (101) outside and be located and be equipped with support piece (110) on backup pad (100), support piece (110) upper end inboard is provided with spacing portion (111), deployment mechanism (300) comprises multiunit development piece (310), development piece (310) front end one side is provided with guide way (320), development piece (310) rear end below is provided with guide piece (330), guide piece (330) slidable mounting is in guide way (320), guide way (320) lower extreme and upper end are provided with first magnetic force portion (350) and second magnetic portion (360) respectively, development piece (310) right-hand member middle part is provided with locating part (340), transmission case (400) front end is provided with driving motor (410), driving motor (410) output and first rotary rod (410) fixed connection, first rotary rod (421) is provided with the fixed gear (421) and the size of a plurality of rotary rod (400) is located the inside control gear (431) one side of second rotary rod (400), rotatable mounting has a plurality of rotary gear (430) of different sizes on second rotary rod (431), rotary gear (430) rear end all is fixed with receive and releases wheel (432), it has received and releases rope (450) to twine on receiving and releasing wheel (432), the inside of transmission case (400) just is located the top of second rotary rod (431) is provided with two sets of third rotary rod (441), rotatory mounting has a plurality of unidimensional leading wheel (440) on third rotary rod (441), and is two sets of it has received and released rope (450) all to pass between adjacent guide part (442) on third rotary rod (441), and is different receive and release rope (450) upper end and the equal fixed connection of the expansion piece (310) lower extreme that corresponds.

2. The sliding-type, re-furlable solar wing of claim 1, wherein: the solar wing (200) is composed of a plurality of layers of flexible solar cell array substrates.

3. The sliding-type, re-furlable solar wing of claim 1, wherein: the inner side of each group of unfolding pieces (310) is fixedly connected with the outer side of the corresponding solar cell array substrate in the solar wing (200).

4. The sliding-type, re-furlable solar wing of claim 1, wherein: both ends all are provided with electromagnetic means about guide (330), first magnetic force portion (350) can provide the power of repelling for electromagnetic means, and second magnetic force portion (360) can provide the power of adsorbing for electromagnetic means.

5. The sliding-type, re-furlable solar wing of claim 1, wherein: a magnetic attraction piece is arranged above the limiting part (111), and the lower end of the limiting part (340) is in contact with the upper end of the limiting part (111).

6. The sliding-type, re-furlable solar wing of claim 1, wherein: a plurality of the control gears (420) are meshed with the corresponding rotating gears (430), and the transmission ratio between the four groups of rotating gears (430) and the control gears (420) is 1:2:3:4.