阅读说明：本技术 一种环抱式星模拟器适配器 (Encircling star simulator adapter ) 是由 王伟斌 赵华宇 雷明涛 王海波 王�华 陈杰 艾心 于 2021-07-22 设计创作，主要内容包括：本发明提供了一种环抱式星模拟器适配器,属于航空航天技术领域,用于星模拟器与非圆柱形星敏感器的定位连接,包括：滑套组件、星模拟器定位锁紧组件、星敏感器定位锁紧组件；在滑套组件、星敏感器定位锁紧组件的中央开均设有相连通的通孔,星模拟器通过通孔安装在滑套组件上,星敏感器通过通孔安装在星敏感器定位锁紧组件上；星模拟器锁紧组件设置在滑套组件上用于对星模拟器的安装进行锁紧,星敏感器定位锁紧组件用于对星敏感器的安装进行定位夹紧。本发明的环抱式星模拟器适配器具备星敏感器卧式和立式状态的使用条件,尤其在卧式使用下,不会产生星模360度方向倾斜与星敏的现象,补充了现有的缺陷,满足了星敏感器测试过程中的需求。(The invention provides an encircling star simulator adapter, which belongs to the technical field of aerospace and is used for positioning and connecting a star simulator and a non-cylindrical star sensor, and comprises the following components: the star sensor positioning and locking device comprises a sliding sleeve component, a star simulator positioning and locking component and a star sensor positioning and locking component; through holes communicated with each other are formed in the centers of the sliding sleeve component and the star sensor positioning and locking component, the star simulator is installed on the sliding sleeve component through the through holes, and the star sensor is installed on the star sensor positioning and locking component through the through holes; the star simulator locking assembly is arranged on the sliding sleeve assembly and used for locking the installation of the star simulator, and the star sensor positioning locking assembly is used for positioning and clamping the installation of the star sensor. The encircling star simulator adapter provided by the invention has the using conditions of horizontal and vertical states of the star sensor, particularly under the horizontal use condition, the phenomena of 360-degree directional inclination and star sensitivity of the star model can not be generated, the existing defects are supplemented, and the requirement in the star sensor testing process is met.)

1. The utility model provides an encircling star simulator adapter, encircling star simulator adapter is used for star simulator and non-cylindrical star sensor's location to be connected, its characterized in that, encircling star simulator includes: the star sensor positioning and locking device comprises a sliding sleeve component, a star simulator positioning and locking component and a star sensor positioning and locking component;

through holes communicated with each other are formed in the centers of the sliding sleeve component and the star sensor positioning and locking component, the star simulator is installed on the sliding sleeve component through the through hole in the sliding sleeve component, and the star sensor is installed on the star sensor positioning and locking component through the through hole in the star sensor positioning and locking component; the sliding sleeve component is fixedly connected with the star sensor positioning and locking component;

the star simulator locking assembly is arranged on the sliding sleeve assembly and used for locking the installation of the star simulator, and the star sensor positioning locking assembly is used for positioning and clamping the installation of the star sensor.

2. The encircled star simulator adapter of claim 1 wherein said star sensor positioning locking assembly comprises an annular gobo, a fixed snap and a movable snap;

the fixed buckle is positioned below the annular shading disc and is integrally formed with the annular shading disc, one end of the movable buckle is connected to one end of the fixed buckle through a fixed screw, the movable buckle can rotate around the screw, the other end of the fixed buckle is connected with the other end of the movable buckle in a buckled mode to form a concentric ring, and the star sensor arranged below the annular shading disc is locked in an encircling mode;

the annular shading disc is fixedly connected with the sliding sleeve component and used for supporting the star simulator and further used for shading external stray light for the star sensor.

3. The encircled star simulator adapter of claim 2, wherein the annular shading disk further comprises a protruding circular ring above the annular shading disk, the protruding circular ring is integrally formed with the annular shading disk, threads are arranged on the outer side surface of the circular ring, and the sliding sleeve assembly is fixedly connected with the annular shading disk through the threads.

4. The encircled star simulator adapter of claim 2, wherein a rotating screw, a locking pin shaft, a nut and a nut are arranged at one end of the fixed buckle connected with the movable buckle; one end of the locking pin shaft is rotatably connected to the fixing buckle through the rotating screw, the nut is located at the other end of the locking pin shaft, threads are arranged on the locking pin shaft, and the nut is connected to the locking pin shaft through the threads;

when the fixed buckle is connected with the movable buckle, the pin shaft rotates into the clamping groove of the movable buckle, and the nut is rotated to realize the encircling locking of the star sensor.

5. The encircled star simulator adapter of claim 2, wherein the inner side surfaces of the fixed buckle and the movable buckle are inclined surfaces, and the inclination angles of the inner side surfaces of the fixed buckle and the movable buckle are designed according to the inclination angle of the side surface of the star sensor.

6. The encircling star simulator adapter according to claim 5, wherein the inclination angle of the inner side surface of said fixing buckle controls the encircling contact angle between the inner side surface of said fixing buckle and said star sensor in the encircling locking state to be 170 ° -180 °; and the inclination angle of the inner side surface of the movable buckle controls the holding contact angle between the inner side surface of the movable buckle and the star sensor to be 170-175 degrees when the movable buckle is in the holding locking state.

7. The orbiting star simulator adapter of claim 1 wherein the sliding sleeve assembly comprises a support sleeve, a sliding sleeve and a scale plate;

the inner side surface of the lower end of the support sleeve is provided with threads, the support sleeve is connected to the star sensor positioning and locking assembly through the threads, the sliding sleeve is arranged on the support sleeve, and the dial is rotatably arranged on the support sleeve and used for reading the relative angle relationship between the star simulator and the star sensor;

the inner wall of the supporting sleeve is provided with a step, and after the star simulator is installed in the sliding sleeve, the step is used as a base supporting point of the star simulator.

8. The encircling star simulator adapter according to claim 7, wherein said star simulator positioning locking assembly comprises a locking screw, a locking seat, a top block;

the locking seat is fixed in on the supporting sleeve, locking screw rotatably sets up on the locking seat, the kicking block with locking screw's one end is connected correspondingly be equipped with the kicking block hole on the sliding sleeve, through the drive locking screw is rotatory, makes translational motion is to the kicking block, realizes the star simulator is in locked or unclamped in the sliding sleeve.

9. The encircled star simulator adapter of claim 8, wherein mounting holes are formed in the supporting sleeve and the locking seat, threads are formed in the mounting holes, and the supporting sleeve and the locking seat are fixedly connected through screws.

10. The encircling star simulator adapter according to claim 8, wherein the number of the star simulator positioning locking assemblies is plural, and the star simulator positioning locking assemblies are uniformly and symmetrically arranged on the supporting sleeve.

Technical Field

The invention belongs to the technical field of aerospace, and relates to an encircling star simulator adapter.

Background

In the star sensor testing work, a star simulator is required to be connected with the star sensor as a calibration device for checking the working state of the star sensor, and the physical posture of the star simulator has important influence on the testing process. In the test work, the star simulator and external devices are required not to damage the star sensor. On the premise of ensuring the safety of the star sensor, the star simulator is required to be capable of displacing along the vertical plane of the optical axis, the optical axis of the star simulator and the optical axis of the star sensor are required to be capable of generating a micro angle, the phase relation between the star simulator and the star sensor is required to be readable, and the star simulator is required to be capable of being used in various postures.

At present, a star simulator is in adaptive connection with a star sensor, a generally used connecting support is heavy in structure, more in structural parts and poor in appearance aesthetic property, the star simulator cannot efficiently meet the requirement of the star sensor with a non-cylindrical outer wall, an adapter needs to be adjusted manually in a time-consuming mode, the mounting concentricity of the star simulator and the star sensor is achieved, the star simulator cannot efficiently meet the adaptive connection of the star sensor in a horizontal state, and the adapter capable of meeting the use requirement of the non-cylindrical star sensor is lacked.

Disclosure of Invention

In view of this, the encircling type star simulator adapter of the invention is suitable for positioning connection of a star simulator and a non-cylindrical star sensor, so as to at least solve the technical problem that the existing star simulator adapter cannot meet the requirement of test work.

In order to achieve the above object, the present invention provides an encircling star simulator adapter, which is used for positioning and connecting a star simulator and a non-cylindrical star sensor, and comprises: the star sensor positioning and locking device comprises a sliding sleeve component, a star simulator positioning and locking component and a star sensor positioning and locking component;

through holes communicated with each other are formed in the centers of the sliding sleeve component and the star sensor positioning and locking component, the star simulator is installed on the sliding sleeve component through the through hole in the sliding sleeve component, and the star sensor is installed on the star sensor positioning and locking component through the through hole in the star sensor positioning and locking component; the sliding sleeve component is fixedly connected with the star sensor positioning and locking component;

the star simulator locking assembly is arranged on the sliding sleeve assembly and used for locking the installation of the star simulator, and the star sensor positioning locking assembly is used for positioning and clamping the installation of the star sensor.

Furthermore, the star sensor positioning and locking assembly comprises an annular shading disc, a fixed buckle and a movable buckle;

the fixed buckle is positioned below the annular shading disc and is integrally formed with the annular shading disc, one end of the movable buckle is connected to one end of the fixed buckle through a fixed screw, the movable buckle can rotate around the screw, the other end of the fixed buckle is connected with the other end of the movable buckle to form a concentric ring, and the star sensor arranged below the annular shading disc is locked in an encircling manner;

the annular shading disc is fixedly connected with the sliding sleeve component and used for supporting the star simulator and further used for shading external stray light for the star sensor.

Furthermore, the top of annular shading dish still includes convex ring, with annular shading dish integrated into one piece is equipped with the screw thread at the ring lateral surface, the sliding sleeve subassembly with annular shading dish passes through screw thread fixed connection.

Furthermore, one end of the fixed buckle connected with the movable buckle is provided with a rotating screw, a locking pin shaft, a nut and a nut; one end of the locking pin shaft is rotatably connected to the fixing buckle through the rotating screw, the nut is located at the other end of the locking pin shaft, threads are arranged on the locking pin shaft, and the nut is connected to the locking pin shaft through the threads;

when the fixed buckle is connected with the movable buckle, the pin shaft rotates into the clamping groove of the movable buckle, and the nut is rotated to realize the encircling locking of the star sensor.

Furthermore, the inner side surfaces of the fixed buckle and the movable buckle are inclined surfaces, and the inclination angles of the inner side surfaces of the fixed buckle and the movable buckle are designed according to the inclination angle of the side surface of the star sensor.

Furthermore, the inclination angle of the inner side surface of the fixed buckle controls the holding contact angle between the inner side surface of the fixed buckle and the star sensor to be 170-180 degrees in the holding and locking state; and the inclination angle of the inner side surface of the movable buckle controls the holding contact angle between the inner side surface of the movable buckle and the star sensor to be 170-175 degrees when the movable buckle is in the holding locking state.

Further, the sliding sleeve assembly comprises a supporting sleeve, a sliding sleeve and a scale plate;

the inner side surface of the lower end of the support sleeve is provided with threads, the support sleeve is connected to the star sensor positioning and locking assembly through the threads, the sliding sleeve is arranged on the support sleeve, and the dial is rotatably arranged on the support sleeve and used for reading the relative angle relationship between the star simulator and the star sensor;

the inner wall of the supporting sleeve is provided with a step, and after the star simulator is installed in the sliding sleeve, the step is used as a base supporting point of the star simulator.

Furthermore, the positioning and locking assembly of the star simulator comprises a locking screw rod, a locking seat and a top block;

the locking seat is fixed in on the supporting sleeve, locking screw rotatably sets up on the locking seat, the kicking block with locking screw's one end is connected correspondingly be equipped with the kicking block hole on the sliding sleeve, through the drive locking screw is rotatory, makes translational motion is to the kicking block, realizes the star simulator is in locked or unclamped in the sliding sleeve.

Further, the supporting sleeve and the locking seat are both provided with mounting holes, threads are arranged in the mounting holes, and the supporting sleeve and the locking seat are fixedly connected through screws.

Furthermore, the number of the star simulator positioning and locking assemblies is multiple, and the star simulator positioning and locking assemblies are uniformly and symmetrically arranged on the supporting sleeve.

The invention adopts the technical scheme that the method has the advantages that:

according to the encircling star simulator adapter, the star simulator locking component on the encircling star simulator adapter is arranged on the sliding sleeve component and used for locking the installation of the star simulator, the star sensor positioning locking component realizes positioning and clamping of the installation of the non-cylindrical star sensor in an encircling buckle connection mode, the encircling star simulator adapter has the using conditions of horizontal and vertical states of the star sensor, particularly under the horizontal use, the phenomenon that the star model inclines in the 360-degree direction and is sensitive to the star is avoided, the existing defects are supplemented, the requirement in the star sensor testing process is met, the encircling star simulator adapter is compact, light, attractive and convenient and reliable to operate, the star sensor and the star simulator can be accurately and quickly installed and connected, the consumption of mechanical workpieces is greatly reduced, the assembling precision is improved, and the installation and the disassembly are simple and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an isometric view of an encircling star simulator adapter according to a preferred embodiment of the present invention;

FIG. 2 is a top view of the orbiting star simulator adapter according to a preferred embodiment of the present invention;

FIG. 3 is an exploded view of the orbiting star simulator adapter according to a preferred embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line G-G of FIG. 2;

FIG. 5 is a cross-sectional view taken along line H-H of FIG. 2;

fig. 6 is a schematic structural diagram of a star sensor positioning locking component in an encircling star simulator adapter according to a preferred embodiment of the present invention;

FIG. 7 is a schematic diagram illustrating the released and locked states of the star sensor positioning locking assembly in the encircling star simulator adapter according to a preferred embodiment of the present invention;

FIG. 8 is a cross-sectional view of the connection between the encircling star simulator adaptor and the star simulator and the star sensor according to the preferred embodiment of the present invention;

wherein the reference numerals are: 1-a sliding sleeve assembly; 2-positioning and locking components of the star simulator; 3-the star sensor positions the locking assembly; 11-a support sleeve; 111-step; 12-a sliding sleeve; 121-top block hole; 13-a scale plate; 21 locking the screw rod; 22-a locking seat; 23-a top block; 31-annular gobo disc; 311-a circular ring; 32-fixing a buckle; 33-movable buckle; 331-card slot; 34-a set screw; 35 rotating the screw; 36 locking the pin shaft; 37 a nut; 38 nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an encircling star simulator adapter, as shown in fig. 1, the encircling star simulator adapter is used for positioning and connecting a star simulator and a non-cylindrical star sensor, and the encircling star simulator comprises: the star sensor positioning and locking device comprises a sliding sleeve component 1, a star simulator positioning and locking component 2 and a star sensor positioning and locking component 3;

through holes communicated with each other are formed in the centers of the sliding sleeve component 1 and the star sensor positioning and locking component 3, the star simulator is installed on the sliding sleeve component 1 through the through hole in the sliding sleeve component 1, and the star sensor is installed on the star sensor positioning and locking component 3 through the through hole in the star sensor positioning and locking component 3; the sliding sleeve component 1 is fixedly connected with the star sensor positioning and locking component 3;

the star simulator locking assembly 2 is arranged on the sliding sleeve assembly 1 and used for locking the installation of the star simulator, and the star sensor positioning locking assembly 3 is used for positioning and clamping the installation of the star sensor.

As shown in fig. 2 to 8, which are schematic mechanism diagrams of the encircling star simulator adapter according to a preferred embodiment of the present invention, the star sensor positioning locking component 3 includes an annular light shielding plate 31, a fixed fastener 32 and a movable fastener 33;

the fixed buckle position 32 is located below the annular shading disc 31 and is integrally formed with the annular shading disc 31, one end of the movable buckle 33 is connected to one end of the fixed buckle 32 through a fixed screw 34, the movable buckle 33 can rotate around the screw 34, the other end of the fixed buckle 32 is buckled and connected with the other end of the movable buckle 33 to form a concentric ring, and the star sensor arranged below the annular shading disc 31 is locked in a surrounding mode;

the annular shading disc 31 is fixedly connected with the sliding sleeve component 1, and is used for supporting the star simulator and shielding external stray light for the star sensor.

In this embodiment, the upper portion of the annular light shielding disc 31 further includes a protruding ring 311, which is integrally formed with the annular light shielding disc 31, the outer side surface of the ring is provided with a thread, and the sliding sleeve assembly 1 is fixedly connected with the annular light shielding disc 31 through the thread.

In this embodiment, a rotating screw 35, a locking pin shaft 36, a nut 37 and a nut 38 are provided at one end of the fixed buckle 32 connected with the movable buckle 33; one end of the locking pin shaft 36 is rotatably connected to the fixed buckle 32 through the rotating screw 35, the nut 38 is located at the other end of the locking pin shaft 36, threads are arranged on the locking pin shaft 36, and the nut 37 is connected to the locking pin shaft 36 through the threads;

when the fixed buckle 32 is connected with the movable buckle 33 in a buckling manner, the locking pin shaft 36 rotates into the clamping groove 331 of the movable buckle 33, and the nut 37 is rotated to realize the encircling locking of the star sensor.

The inner side surfaces of the fixed buckle 32 and the movable buckle 33 are inclined surfaces, and the inclination angles of the inner side surfaces are designed according to the inclination angle of the side surface of the star sensor. For example, the inclination angle of the inner side surface of the fixed buckle 32 controls the holding contact angle between the inner side surface of the fixed buckle 32 and the star sensor in the holding and locking state to be 170-180 °; the inclination angle of the inner side surface of the movable buckle 33 controls the holding contact angle between the inner side surface of the movable buckle 33 and the star sensor to be 170-175 degrees in the holding locking state, and the holding locking effect is optimal at the moment.

In the present embodiment, the sliding sleeve assembly 1 includes a support sleeve 11, a sliding sleeve 12 and a scale plate 13;

the inner side surface of the lower end of the support sleeve 11 is provided with threads, the support sleeve 11 is connected to the star sensor positioning and locking component 3 through the threads, the sliding sleeve 12 is arranged on the support sleeve 11, and the scale plate 13 is rotatably arranged on the support sleeve 11 and used for reading the relative angle relationship between the star simulator and the star sensor;

the inner wall of the support sleeve 11 is provided with a step 111, and after the star simulator is installed in the sliding sleeve 12, the step 111 is used as a base support point of the star simulator.

In this embodiment, the star simulator positioning and locking assembly 2 includes a locking screw 21, a locking seat 22, and a top block 23;

the locking seat 22 is fixed on the support sleeve 11, the locking screw 21 is rotatably arranged on the locking seat 22, the ejector block 23 is connected with one end of the locking screw 21, the sliding sleeve 12 is correspondingly provided with an ejector block hole 121, and the locking screw 21 is driven to rotate, so that the ejector block 23 is in translational motion, and the star simulator is locked or loosened in the sliding sleeve 12.

For the connection between the support sleeve 11 and the locking seat 22, mounting holes may be formed in both the support sleeve 11 and the locking seat 22, and threads are formed in the mounting holes, and the support sleeve 11 and the locking seat 22 may be fixedly connected by screws, which is not limited to the above-mentioned manner.

In the structure, the supporting sleeve 11 is in threaded connection with the annular shading disc 31, so that the use of external screws is reduced, the whole appearance is cylindrical, the structure is compact and attractive, fewer abrupt structural parts are required, and the artistic effect is strong. The sliding sleeve 12 is arranged on the supporting sleeve 11, so that the star simulator can be installed and enter from an inner hole of the sliding sleeve 12 and is in butt joint with the star sensor, and the inner wall of the star sensor cannot be damaged. The star sensor positioning and locking assembly 3 has the connecting function with the support sleeve 11 and also has the functions of connecting, positioning, locking and blocking light for the star sensor, one structural member has multiple purposes, and the number of machined parts is small. Locking screw 21's one end is equipped with kicking block 23 in star simulator location locking Assembly 2, in the use, can not produce the phenomenon that locking screw 21 dropped, has stronger stability, and locking screw 21 is rotatory, converts rotary motion into linear motion, relies on the kicking block 23 and the star simulator contact of tip, avoids damaging equipment. The star sensor positioning and locking assembly 3 adopts a mode of annularly holding the star sensor, so that the contact area of the star sensor is increased, the stress concentration phenomenon of the adapter for fixing the star sensor is reduced, and the fixing reliability is enhanced.

In addition, the number of the star simulator positioning locking assemblies 2 can be 1 or a plurality of, and when the number of the star simulator positioning locking assemblies 2 is a plurality, the star simulator positioning locking assemblies are uniformly and symmetrically arranged on the supporting sleeve 11, so that the locking force acting on the star simulator is uniformly distributed, and the optimal locking effect is achieved.

The invention adopts the technical scheme that the method has the advantages that:

according to the encircling star simulator adapter, the star simulator locking component on the encircling star simulator adapter is arranged on the sliding sleeve component and used for locking the installation of the star simulator, the star sensor positioning locking component realizes positioning and clamping of the installation of the non-cylindrical star sensor in an encircling buckle connection mode, the encircling star simulator adapter has the using conditions of horizontal and vertical states of the star sensor, particularly under the horizontal use, the phenomenon that the star model inclines in the 360-degree direction and is sensitive to the star is avoided, the existing defects are supplemented, the requirement in the star sensor testing process is met, the encircling star simulator adapter is compact, light, attractive and convenient and reliable to operate, the star sensor and the star simulator can be accurately and quickly installed and connected, the consumption of mechanical workpieces is greatly reduced, the assembling precision is improved, and the installation and the disassembly are simple and reliable.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.