阅读说明：本技术 一种太阳翼多方位包围式固定装置 (Solar wing multi-azimuth surrounding type fixing device ) 是由 丁强强 保玲 滕浩 李钦儒 陈豪智 于 2020-12-22 设计创作，主要内容包括：本发明涉及卫星展开机构技术领域,具体为一种太阳翼多方位包围式固定装置,其包括：安装在太阳毯两端并处于压紧释放装置中心位置的火工分离螺母,所述火工分离螺母周围均匀分布有四块大小相同的支撑板,所述每块支撑板间通过定位件进行相互抵合定位,所述每个定位件上固定有压紧机构,所述压紧机构内部安装有压紧弹簧,所述压紧弹簧间穿有压紧杆,所述压紧杆穿过定位件并与火工分离螺母相固定,支撑板上端与上太阳箱板通过固定件固定安装,下方所述支撑板下端与下太阳箱板通过固定件固定安装,本发明通过向中心进行夹紧,向四角进行同时释放,可以在使每块支撑板稳定释放的前提下保证太阳翼展开的稳定性。(The invention relates to the technical field of satellite unfolding mechanisms, in particular to a solar wing multi-azimuth surrounding type fixing device, which comprises: the solar wing expansion device comprises four fire separation nuts which are arranged at two ends of a solar blanket and are positioned in the center of a compression release device, four supporting plates with the same size are uniformly distributed around the fire separation nuts, each supporting plate is abutted and positioned mutually through a positioning piece, a pressing mechanism is fixed on each positioning piece, pressing springs are installed inside the pressing mechanisms, pressing rods penetrate among the pressing springs, penetrate through the positioning pieces and are fixed with the fire separation nuts, the upper ends of the supporting plates and an upper solar box plate are fixedly installed through fixing pieces, and the lower ends of the supporting plates and a lower solar box plate are fixedly installed through fixing pieces.)

1. A solar wing multi-azimuth enclosed fixture, comprising: solar blanket (2000), compress tightly release (100) and firer separation nut (400), compress tightly release (1000) and install the both ends at solar blanket (2000), and firer separation nut (400) are located one side central point that compresses tightly release (1000) and put its characterized in that: the pressing release device (1000) comprises a supporting plate (100), a pressing mechanism (200), pressing rods (300) and positioning pieces (140), four supporting plates (100) with the same size are uniformly distributed around the fire separation nut (400), the positioning pieces (140) are arranged on the four groups of supporting plates (100), the pressing mechanism (200) is fixed at one end of each positioning piece (140), one side of each positioning piece (140) is overlapped with the side surface of the corresponding supporting plate (100), the pressing rods (300) penetrate through the inside of the pressing mechanism (200), one end of each pressing rod (300) penetrates through the corresponding positioning piece (140) to be in contact with the fire separation nut (400), convex blocks (120) and grooves (130) are arranged on two side edges of the supporting plate (100) respectively, the convex blocks (120) are clamped with the grooves (130) mutually, each pressing mechanism (200) comprises a sliding groove (210), a buffer piece (220), The device comprises a sliding plate (230), a limiting plate (240), a movable cavity (250), a cavity dividing plate (260) and a compression spring (500), wherein a buffer (220) is installed at the top end of a compression mechanism (200), the upper end inside the compression mechanism (200) is provided with the movable cavity (250), sliding grooves (210) are formed in two sides of the movable cavity (250) and are located on the side wall of the compression mechanism (200), a limiting plate (240) extending towards two sides is arranged below each sliding groove (210), a sliding plate (230) is installed above each limiting plate (240), the compression rod (300) penetrates through the central position of the sliding plate (230), the upper end of the compression rod (300) is fixed with the sliding plate (230) through a first compression nut (310), the lower end of the compression rod (300) is fixed with a positioning piece (140) through a second compression nut (320), the compression spring (500) is sleeved on the compression rod (300), and the compression spring (500) is located between the cavity dividing plate (260, and the pressing spring (500) and the pressing rod (300) are concentrically arranged.

2. The solar wing multi-azimuth enclosure fixture of claim 1, wherein: an upper solar box plate and a lower solar box plate are respectively arranged at the upper end and the lower end of the solar blanket (2000), the supporting plate (100) is connected with the upper solar box plate and the lower solar box plate through fixing pieces (110), and a baffle is arranged on one side of the supporting plate (100).

3. The solar wing multi-azimuth enclosure fixture of claim 1, wherein: the positioning piece (140) is provided with four groups, one side of the positioning piece (140) is provided with an arc-shaped notch, and a circular structure formed by the four groups of arc-shaped notches is concentrically arranged with the fire separation nut (400).

4. The solar wing multi-azimuth enclosure fixture of claim 1, wherein: the hold down bar (300) is retained by passing through the center holes of the slide plate (230), the subchamber plate (260) and the retainer (140).

5. The solar wing multi-azimuth enclosure fixture of claim 1, wherein: the joint of the pressing rod (300) and the first pressing nut (310) is in threaded connection, the joint of the pressing rod (300) and the second pressing nut (320) is in threaded connection, and the second pressing nut (320) can pass through a hole in the center of the cavity dividing plate (260).

Technical Field

The invention relates to the technical field of satellite unfolding mechanisms, in particular to a solar wing multi-azimuth surrounding type fixing device.

Background

At present, the compression and release device of the domestic sun wing spreading mechanism mostly adopts a compression rod type compression and release mode, is similar to the mode of screwing and fastening objects by screws, the tightening force of the compression and release device directly acts on compression points, only the compression force of the compression points can be controlled, and the compression force in the compressed objects is determined by the self structural characteristics of the compressed objects. When the solar blanket with the large flexible solar wings is compressed, the fragile solar cell pieces are arranged in the solar blanket, and the compression release device adopting the compression rod type cannot ensure the compression force in the solar blanket, so that the internal parts of the solar blanket are easily damaged. Meanwhile, the high compression level between the external box plates of the solar blanket is ensured, so that the solar blanket is prevented from being loosened due to impact during emission and losing the support and protection of the solar blanket.

In chinese patent publication No. CN105253331B, a force-limited compressing and releasing mechanism is provided, which uses a two-stage loading mode to achieve a larger pressing force on the whole compressing and releasing mechanism, but only one pressing rod is used between the upper and lower plates of the mechanism to bear the pressing force of the whole device, which may result in unstable separation of the compressing and releasing mechanism due to a larger vibration amplitude during launching, and the mechanism adopts a zigzag structure, resulting in waste of lateral used space.

Disclosure of Invention

The invention aims to provide a pressing device which can press and protect a solar blanket and simultaneously enable an outer box plate of the solar blanket to have larger pressing force.

A solar wing multi-azimuth enclosed fixture, comprising: the device comprises fire separation nuts, a pressing mechanism, pressing springs, pressing rods and a pressing mechanism, wherein the fire separation nuts are arranged at two ends of a solar blanket and are positioned in the center of a pressing and releasing device, four supporting plates with the same size are uniformly distributed around the fire separation nuts, each supporting plate is abutted and positioned with each other through a positioning piece, the pressing mechanism is fixed on each positioning piece, the pressing springs are installed inside the pressing mechanism, the pressing rods penetrate through the positioning pieces and are fixed with the fire separation nuts;

the upper end of the supporting plate and the upper solar box plate are fixedly installed through a fixing piece, the lower end of the supporting plate below the supporting plate and the lower solar box plate are fixedly installed through a fixing piece, convex plates for fixing the sides of the solar carpet are arranged on the sides of the upper supporting plate and the lower supporting plate, and the fixing piece can be installed at different positions according to different requirements;

four supporting plates are uniformly distributed around the fire separation nut, each supporting plate is matched with a groove through a convex block and a concave groove which are arranged on two sides of each supporting plate so as to enable the supporting plates to be positioned on the same horizontal plane, a positioning piece is fixed on the supporting plate close to one corner of the fire separation nut, and each supporting plate is secondarily positioned through the abutting of the positioning piece on the supporting plate;

the positioning pieces are coincided with the side faces of the supporting plates, under the clamping state of each supporting plate, the four positioning pieces are rectangular and coincided with the lower end face of the pressing mechanism at the side far away from the fire separation nut, the side, close to the fire separation nut, of each positioning piece is circular and concentric with the fire separation nut, the pressing mechanism is fixed on the diagonal line of one corner, close to the fire separation nut, of each supporting plate and the diagonal line of the corner, and one end of each pressing mechanism is fixed on one rectangular face of each positioning piece;

the pressing mechanism is arranged at the center of one rectangular surface of the positioning piece, a buffer piece is arranged at the top end of the pressing mechanism to buffer the impact force of the pressing rod when the pressing release device is released and prevent the pressing rod from flying off, a movable cavity is arranged at the upper end of the pressing mechanism, sliding grooves are arranged on two sides of the movable cavity, a limiting plate extending towards two sides is arranged below the sliding grooves, a sliding plate is arranged above the limiting plate correspondingly, a pressing rod is arranged at the center of the sliding plate, the upper end of the pressing rod is fixed with the sliding plate through a first pressing nut, the lower end of the pressing rod is fixed with the positioning piece through a second pressing nut, a cavity dividing plate fixed on the pressing mechanism is arranged above the second pressing nut, a pressing spring is arranged between the cavity dividing plate and the sliding plate, and;

the upper end cover plate of the pressing mechanism can be detached through sliding so as to facilitate pressing operation, the upper end cover plate of the pressing mechanism is slid back and fixed after the pressing operation, and the sliding plate can move in the movable cavity along the sliding groove;

the pressing rod is limited through a center through hole penetrating through the sliding plate, the cavity dividing plate and the positioning piece, the joint of the pressing rod and the first pressing nut is in threaded connection, the joint of the pressing rod and the second pressing nut is in threaded connection, and the second pressing nut can pass through the center through hole of the cavity dividing plate.

The invention has the following beneficial effects:

1. the solar wing unfolding device can ensure the unfolding stability of the solar wing on the premise of stably releasing each supporting plate by clamping towards the center and simultaneously releasing towards four corners.

2. According to the invention, the first compression nut and the second compression nut are sequentially screwed to carry out secondary compression, so that under the condition that the supporting plate can be ensured to be stably released, the internal smaller compression force and the external larger compression force on the solar blanket are realized, and the solar blanket can be still ensured to be supported and protected under the condition that the solar wings are vibrated during launching.

3. The invention adopts multi-azimuth to tighten the solar blanket, thus greatly improving the support and protection of the solar blanket;

4. the invention has simple structure, high reliability and low space utilization rate, and reduces the space resource tension caused by using the motor while reducing the launching volume by using the traditional mechanical structure.

5. The invention does not need complex pressing operation and pressing flow, can carry out multiple positioning through simple operation and the geometric shape of the supporting plate, and avoids unnecessary loss caused by manual operation.

Drawings

Fig. 1 is a front sectional view of a solar wing multi-azimuth enclosed fixing device provided by the invention.

Fig. 2 is a side view of a solar wing multi-azimuth enclosure fixing device provided by the invention.

Fig. 3 is a schematic structural view of a solar wing multi-azimuth enclosed fixing device provided by the invention in a compressed state.

Fig. 4 is a schematic structural view of a solar wing multi-azimuth enclosure fixing device provided by the invention in a release state.

Fig. 5 is a schematic structural view of a solar wing multi-azimuth surrounding fixing device pressing mechanism provided by the invention.

Fig. 6 is a schematic layout view of a solar wing multi-azimuth enclosure fixing device provided by the present invention on a solar carpet box board.

Description of the drawings:

100. a support plate; 110. a fixing member; 120. a bump; 130. a groove; 140. a positioning member; 200. a hold-down mechanism; 210. a sliding groove; 220. a buffer member; 230. a sliding plate; 240. a limiting plate; 250. a movable cavity; 260. a cavity dividing plate; 300. a hold down bar; 310. a first compression nut; 320. a second compression nut; 400. initiating a separation nut; 500. a compression spring; 1000. a compression release device; 2000. a solar carpet.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.

As shown in fig. 1 and 6, a solar wing multi-directional surrounding type fixing device includes: the fire separation nuts 400 are installed at two ends of the solar blanket 2000 and are located at the center of the compression release device 100, four support plates 100 with the same size are uniformly distributed around the fire separation nuts 400, each support plate 100 is mutually abutted and positioned through a positioning piece 140, a compression mechanism 200 is fixed on each positioning piece 140, compression springs 500 are installed inside the compression mechanisms 200, compression rods 300 penetrate through the compression springs 500, and the compression rods 300 penetrate through the positioning pieces 140 and are fixed with the fire separation nuts 400;

as shown in fig. 1 to 6, the upper end of the supporting plate 100 is fixedly mounted to the upper solar box plate by a fixing member 110, the lower end of the lower supporting plate 100 is fixedly mounted to the lower solar box plate by a fixing member 110, and the upper and lower supporting plates have convex plates for fixing the sides of the solar carpet 2000;

the fixing member 110 can be installed at different positions according to different requirements;

four support plates 100 are uniformly distributed around the firer separating nut 400, and each support plate 100 is matched with the groove 130 through the convex block 120 arranged on the two sides of each support plate 100 so as to ensure that each support plate 100 is positioned on the same horizontal plane;

a positioning piece 140 is fixed on the supporting plate 100 close to one corner of the fire separation nut 400, and each supporting plate 100 is positioned for the second time through the abutting of the positioning piece 140 thereon;

the positioning pieces 140 are overlapped with the side surfaces of the support plates 100, and in a clamping state of each support plate 100, the four positioning pieces 140 are rectangular as a whole and far away from the fire separation nut 400, are overlapped with the lower end surface of the pressing mechanism 200, are circular as a whole and are concentric with the fire separation nut 400 at one side close to the fire separation nut 400;

a pressing mechanism 200 is fixed on a diagonal line between one corner of each support plate 100 close to the firer separating nut 400 and the diagonal line of the corner, one end of each pressing mechanism 200 is fixed on one rectangular surface of the positioning piece 140, and one side of the positioning piece 140 is provided with an arc-shaped notch;

as shown in fig. 4, the pressing mechanism 200 is installed at the center of a rectangular face of the positioning member 140, a buffer member 220 is installed at the top end of the pressing mechanism 200 to buffer the impact force of the pressing rod 300 when the pressing and releasing device 1000 is released and prevent the pressing rod 300 from flying away, a movable cavity 250 is provided at the upper end of the pressing mechanism 200, sliding grooves 210 are provided at both sides of the movable cavity 250, a limit plate 240 extending towards both sides is provided below the sliding groove 210, a sliding plate 230 is installed at a corresponding position above the limit plate 240, the pressing rod 300 is installed at the center of the sliding plate 230, the upper end of the pressing rod 300 is fixed with the sliding plate 230 by a first pressing nut 310, the lower end of the pressing rod 300 is fixed with the positioning member 140 by a second pressing nut 320, a cavity dividing plate 260 fixed on the pressing mechanism 200 is installed above the second pressing nut 320, and a pressing spring 500 is installed, the pressing spring 500 is concentric with the pressing rod 300;

the upper end cover plate of the pressing mechanism 200 can be detached through sliding so as to be convenient for pressing operation, and the upper end cover plate of the pressing mechanism 200 is slid back and fixed after the pressing operation;

the sliding plate 230 is movable along the sliding groove 210 within the movable chamber 250;

the length of the sliding groove 210 is calculated by the elastic force of the pressing spring 500 required when the pressing and releasing device 1000 is released;

the compression bar 300 is restrained by passing through the center through holes of the slide plate 230, the subchamber plate 260 and the spacer 140;

the joint of the compression rod 300 and the first compression nut 310 is connected through threads;

the joint of the compression rod 300 and the second compression nut 320 is connected through threads;

the second compression nut 320 may pass through a central aperture in the subchamber plate 260.

The working principle is as follows:

first pressing: firstly, the convex blocks 120 and the grooves 130 between the support plates 100 are matched with the positioning pieces 140 on the support plates 100, so that the surfaces of the support plates 100 are superposed, the pressing rods 300 are screwed into the fire separation nuts 400 to complete position positioning, the first pressing nuts 310 are screwed, the sliding plate 230 moves towards the direction of the limiting plate 240 along the sliding groove 210 to compress the pressing springs 500 until the sliding plate 230 is attached to the limiting plate 240, and the first pressing is completed;

pressing for the second time; the second pressing nut 320 is screwed to press the positioning member 140 toward the firer separating nut 400, so that the pressing force of the integral pressing and releasing device 1000 meets the required requirement, and the second pressing is completed.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.