CN216410221U

CN216410221U - Reference cube mirror for calibrating space position of spacecraft

Info

Publication number: CN216410221U
Application number: CN202122676975.4U
Authority: CN
Inventors: 杨东来; 王文成; 万鹏程; 彭佳琦
Original assignee: Changchun Jucheng Optics Co ltd
Current assignee: Changchun Jucheng Optics Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-29
Anticipated expiration: 2031-11-03

Abstract

The utility model belongs to the field of standard cubic mirrors, in particular to a standard cubic mirror for calibrating space position of a spacecraft, which comprises a base and a calibration mechanism, wherein the top of the base is provided with a rotating mechanism, the top of the rotating mechanism is provided with a clamping seat, the outer side of the clamping seat is provided with a guide rail, the outer side of the guide rail is provided with a fixed shaft, the outer side of the fixed shaft is connected with a pressing rod, the bottom of the pressing rod is provided with a spring, the end part of the pressing rod is connected with a lifting block, the inner side of the guide rail is provided with a cubic mirror body, and the calibration mechanism is arranged at the side of the rotating mechanism; the lifting block is arranged, the four groups of devices effectively mount and fix the inner cube mirror body, the disassembly and the assembly are convenient and quick, the subsequent calibration and alignment use is facilitated, the use stability is ensured, the condition that the deviation and the falling are caused is prevented, the use angle of the rotating frame and the clamping seat is stably and conveniently controlled, and the use angle of the cube mirror body is convenient to ensure to be more accurate.

Description

Reference cube mirror for calibrating space position of spacecraft

Technical Field

The utility model relates to the field of reference cubic mirrors, in particular to a reference cubic mirror for calibrating a space position of a spacecraft.

Background

The star sensor is used as a high-precision space attitude optical sensor and is widely and deeply applied in the aerospace field, and because the measurement coordinate system of the star sensor is virtually invisible, the position and attitude relationship between the measurement coordinate system of the star sensor and the coordinate system of a reference cubic mirror on a shell of the star sensor, namely the installation error of the reference cubic mirror, is required to be accurately measured during ground assembly, namely the requirement of geometric installation precision of the star sensor on a spacecraft is met by measuring the reference cubic mirror on the star sensor.

The reference cube mirror on the market at present has the problem that the reference cube mirror is mostly inconvenient to disassemble, assemble and use, is not beneficial to angle fine adjustment operation, and has certain influence on use.

Therefore, the reference cubic mirror for calibrating the space position of the spacecraft is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up the deficiency of prior art, solved the most dismouting use of being not convenient for of benchmark cubic mirror, and be unfavorable for carrying out angle fine setting operation, have the problem of certain influence to the use.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the reference cubic mirror for calibrating the space position of the spacecraft comprises a base and a calibration mechanism, wherein the top of the base is provided with a rotating mechanism, the top of the rotating mechanism is provided with a clamping seat, the outer side of the clamping seat is provided with a guide rail, the outer side of the guide rail is provided with a fixed shaft, the outer side of the fixed shaft is connected with a pressing rod, the bottom of the pressing rod is provided with a spring, the end part of the pressing rod is connected with a lifting block, the inner side of the guide rail is provided with a cubic mirror body, and the calibration mechanism is arranged on the side of the rotating mechanism.

Preferably, the rotating mechanism comprises a fixed frame, a rack, a first gear and a rotating frame, the rack is arranged on the inner side of the fixed frame, the first gear is connected to the inner side of the rack, and the rotating frame is arranged at the top of the first gear.

Preferably, the rotating frame forms a transmission structure through the space between the first gear and the rack, and the first gear forms a rotating structure through the space between the rack and the fixed frame.

Preferably, the lifting block forms a transmission structure between the pressing rod and the guide rail, and the pressing rod forms a rotating structure between the spring and the fixed shaft.

Preferably, the calibration mechanism comprises a fluted disc, a second gear, a screw rod and an adjusting piece, the second gear is connected to the outer side of the fluted disc, the screw rod penetrates through the inner side of the second gear, and the adjusting piece is arranged at the top of the screw rod.

Preferably, the adjusting member forms a lifting structure through the space between the screw rod and the second gear, and the second gear forms a rotating structure through the space between the fluted disc and the screw rod.

The utility model has the advantages that:

1. the utility model is provided with a rotating mechanism, firstly, the cubic mirror body is pushed into the side of the clamping seat along the guide rail in a sliding way for operation, after the installation is finished, the spring pushes the pressing rod to reset around the fixed shaft, the lifting block at the end part moves downwards and clamps and fixes the inner cubic mirror body, the four groups of devices effectively install and fix the inner cubic mirror body, the disassembly and the assembly are convenient and fast, the subsequent calibration and alignment use is facilitated, the use stability is ensured, the condition that the deviation and the falling is caused is prevented, then, the control rack can be manually pulled to move back and forth along the inner side of the fixed frame, the inner first gear is driven to rotate during the sliding, the use angle of the rotating frame and the clamping seat is stably and conveniently controlled, the angle of the clamping seat can be effectively and stably adjusted by matching with the outer calibration adjusting device, the use angle of the cubic mirror body is convenient to be more accurate, and the subsequent positioning use of the whole body is facilitated, the operation and control are convenient;

2. the adjusting mechanism is arranged, and then the outer fluted disc is controlled to rotate to drive the second gear to rotate and control, so that the inner screw rod is driven to rotate along with the second gear to move up and down, the using height of the adjusting piece can be conveniently and stably adjusted by the equipment, the height of the equipment can be adjusted and controlled better by flexible and effective adjustment operation, the using requirements of the equipment for adapting to different centers to be adjusted in the whole using process are better met, different using requirements are met, the using efficiency is improved, and the accuracy is ensured.

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, and 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 these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment;

FIG. 2 is a schematic perspective view of a rotating mechanism according to an embodiment;

FIG. 3 is a schematic perspective view of a lifting block connected to a guide rail according to an embodiment;

in the figure: 1. a base; 2. a rotating mechanism; 201. a fixed mount; 202. a rack; 203. a first gear; 204. a rotating frame; 3. a clamping seat; 4. a guide rail; 5. a fixed shaft; 6. pressing the rod; 7. a spring; 8. A lifting block; 9. a cube mirror body; 10. a calibration mechanism; 1001. a fluted disc; 1002. a second gear; 1003. A screw; 1004. an adjusting member.

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.

Example one

Referring to fig. 1-3, a reference cube mirror for calibrating a space position of a spacecraft includes a base 1, a rotating mechanism 2, a clamping base 3, a guide rail 4, a fixed shaft 5, a pressing rod 6, a spring 7, a lifting block 8, a cube mirror body 9 and a calibration mechanism 10, wherein the rotating mechanism 2 is arranged at the top of the base 1, the clamping base 3 is arranged at the top of the rotating mechanism 2, the guide rail 4 is arranged at the outer side of the clamping base 3, the fixed shaft 5 is arranged at the outer side of the guide rail 4, the pressing rod 6 is connected to the outer side of the fixed shaft 5, and the spring 7 is arranged at the bottom of the pressing rod 6;

the rotating mechanism 2 comprises a fixed frame 201, a rack 202, a first gear 203 and a rotating frame 204, wherein the rack 202 is arranged on the inner side of the fixed frame 201, the first gear 203 is connected to the inner side of the rack 202, and the rotating frame 204 is arranged at the top of the first gear 203;

the rotating frame 204 forms a transmission structure with the rack 202 through the first gear 203, and the first gear 203 forms a rotating structure with the fixing frame 201 through the rack 202, so that the assembly and disassembly are convenient and fast, the subsequent calibration and alignment use is facilitated, the use stability is ensured, and the condition of offset and falling is prevented;

the lifting block 8 forms a transmission structure between the pressing rod 6 and the guide rail 4, and the pressing rod 6 forms a rotating structure between the spring 7 and the fixed shaft 5, so that the use angle of the cubic mirror body 9 is ensured to be more accurate, the integral subsequent positioning use is facilitated, and the operation and the control are convenient.

Example two

Referring to fig. 1, in a first comparative example, as another embodiment of the present invention, an end of a pressing rod 6 is connected to a lifting block 8, a cube mirror body 9 is installed inside a guide rail 4, and an alignment mechanism 10 is installed at a side of a rotating mechanism 2;

the calibration mechanism 10 comprises a fluted disc 1001, a second gear 1002, a screw 1003 and an adjusting piece 1004, wherein the outer side of the fluted disc 1001 is connected with the second gear 1002, the inner side of the second gear 1002 penetrates through the screw 1003, and the top of the screw 1003 is provided with the adjusting piece 1004;

the adjusting part 1004 forms a lifting structure between the screw 1003 and the second gear 1002, and the second gear 1002 forms a rotating structure between the fluted disc 1001 and the screw 1003, so that the flexible and effective adjusting operation meets the better height adjusting control of the equipment, and the better use requirement of the whole use of the equipment for adapting to different centers for calibration.

The working principle is that firstly, the cube mirror body 9 is pushed into the side of the clamping seat 3 along the guide rail 4 in a sliding manner to be operated, after the installation is completed, the spring 7 pushes the pressing rod 6 to reset around the fixed shaft 5, the lifting block 8 at the end part is moved downwards and is clamped and fixed on the inner cube mirror body 9, the four groups are arranged to effectively and fixedly install the inner cube mirror body 9, the disassembly and the assembly are convenient and convenient, the subsequent calibration and alignment use is facilitated, the stability of use is ensured, the condition that the deviation and the falling are generated is prevented, then the control rack 202 can be manually pulled to move back and forth along the inner side of the fixed frame 201, the inner first gear 203 is driven to rotate while sliding, the use angle of the rotating frame 204 and the clamping seat 3 is stably and conveniently controlled, the angle of the clamping seat 3 can be effectively and stably adjusted by matching with the outer calibration and adjustment device, and the use angle of the cube mirror body 9 is convenient to be more accurate and accurate, the integral subsequent positioning and use are facilitated, and the operation and the control are convenient and fast;

later control outside fluted disc 1001 makes its rotation drive second gear 1002 carry out rotation control to this drives inboard screw rod 1003 and follows the rotation of second gear 1002 and carry out the lift removal, the use height of regulation regulating part 1004 that makes equipment can be convenient stable, nimble effectual regulation operation satisfies the better altitude mixture control that carries out of equipment, the better not concentric user demand that carries out the calibration of adaptation in the whole use of equipment of satisfying, satisfy different user demands, improve the availability factor and guarantee the accuracy.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The reference cube mirror for calibrating the space position of the spacecraft is characterized in that: including base (1) and aligning gear (10), the top of base (1) is provided with slewing mechanism (2), and the top of slewing mechanism (2) is provided with grip slipper (3) to the outside of grip slipper (3) is provided with guide rail (4), the outside of guide rail (4) is provided with fixed axle (5), and the outside of fixed axle (5) is connected with and presses pole (6) to the bottom of pressing pole (6) is provided with spring (7), the end connection of pressing pole (6) has elevator block (8), cubic mirror body (9) are installed to the inboard of guide rail (4), aligning gear (10) set up in the avris of slewing mechanism (2).

2. A spacecraft spatial position calibration reference cube according to claim 1, wherein: the rotating mechanism (2) comprises a fixed frame (201), a rack (202), a first gear (203) and a rotating frame (204), wherein the rack (202) is arranged on the inner side of the fixed frame (201), the first gear (203) is connected to the inner side of the rack (202), and the rotating frame (204) is arranged at the top of the first gear (203).

3. A spacecraft spatial position calibration reference cube according to claim 2, wherein: the rotating frame (204) forms a transmission structure with the rack (202) through the first gear (203), and the first gear (203) forms a rotating structure with the fixed frame (201) through the rack (202).

4. A spacecraft spatial position calibration reference cube according to claim 1, wherein: the lifting block (8) forms a transmission structure with the guide rail (4) through the pressing rod (6), and the pressing rod (6) forms a rotating structure with the fixed shaft (5) through the spring (7).

5. A spacecraft spatial position calibration reference cube according to claim 1, wherein: the calibration mechanism (10) comprises a fluted disc (1001), a second gear (1002), a screw (1003) and an adjusting piece (1004), wherein the outer side of the fluted disc (1001) is connected with the second gear (1002), the inner side of the second gear (1002) penetrates through the screw (1003), and the top of the screw (1003) is provided with the adjusting piece (1004).

6. A spacecraft spatial position calibration reference cube according to claim 5, wherein: the adjusting piece (1004) and the second gear (1002) form a lifting structure through the screw (1003), and the second gear (1002) and the screw (1003) form a rotating structure through the fluted disc (1001).