CN210321629U - High-low temperature rotary table used in high vacuum environment - Google Patents
High-low temperature rotary table used in high vacuum environment Download PDFInfo
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- CN210321629U CN210321629U CN201921568581.3U CN201921568581U CN210321629U CN 210321629 U CN210321629 U CN 210321629U CN 201921568581 U CN201921568581 U CN 201921568581U CN 210321629 U CN210321629 U CN 210321629U
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Abstract
The application provides a high-low temperature rotary table used in a high vacuum environment, which comprises a rotary table body arranged in a vacuum temperature change experiment tank and a control system positioned outside the vacuum temperature change experiment tank; the turntable body comprises a base station, the surface of the base station is provided with a first mounting plate capable of sliding, and the first mounting plate is provided with a second mounting plate capable of sliding; a rotatable third mounting plate is arranged above the second mounting plate; the third mounting plate is provided with a mounting hole position of the tested piece; the supporting frame is fixed on the base station, an image acquisition module is arranged on the supporting frame and above the base station, and the image acquisition module is used for acquiring images of a tested piece arranged on the third mounting plate. The beneficial effect of this application is: the control system controls the tested piece to move in the vacuum temperature change experiment tank, the image acquisition module acquires the image of the tested piece in the vacuum high-low temperature environment and analyzes the deformation of the tested piece in the vacuum high-low temperature environment through the image.
Description
Technical Field
The disclosure relates to the field of spacecraft micro-deformation measurement tests in a simulated space environment, in particular to a high-low temperature rotary table used in a high-vacuum environment.
Background
When the spacecraft runs in orbit, the space environment changes periodically and violently, so that thermal deformation is brought to the structure of the spacecraft, and micro deformation is also brought to the spacecraft due to gravity release of the spacecraft in the orbit environment. For parts with higher requirements on the structural stability, the deformation must affect the working performance of the parts, such as an antenna, a space telescope, a solar panel and the like. The conventional high-precision testing turntable can only work in the environment of normal temperature and normal pressure, and cannot test a tested piece in the simulated vacuum temperature change environment. Therefore, a high-precision testing rotary table capable of normally working in a simulated vacuum temperature change environment needs to be developed, the rotary table is required to be integrally installed in a vacuum temperature change experiment tank, two-dimensional motion and high-precision position positioning can be provided, and simulation experiment conditions of space detection equipment in the vacuum temperature change environment are met.
Disclosure of Invention
The application aims to solve the problems and provide a high-low temperature turntable used in a high-vacuum environment.
In a first aspect, the application provides a high-low temperature turntable for use in a high vacuum environment, which comprises a turntable body mounted in a vacuum temperature change experiment tank and a control system located outside the vacuum temperature change experiment tank, wherein the control system is used for controlling the environment in the vacuum temperature change experiment tank, controlling the movement of the turntable body, and acquiring and processing experiment data in the vacuum temperature change experiment tank; the turntable body comprises a base station, a pair of first electric telescopic rods arranged in parallel is arranged on the surface of the base station, a first mounting plate is further arranged on the surface of the base station, the end parts of the pair of first electric telescopic rods are respectively connected to one side edge of the first mounting plate, and the pair of first electric telescopic rods drive the first mounting plate to slide on the surface of the base station; a ball screw is arranged on the first mounting plate, the arrangement direction of the ball screw is perpendicular to that of the first electric telescopic rod, a connecting piece is connected onto the ball screw in a threaded manner, and a second mounting plate is fixed on the surface of one side, away from the ball screw, of the connecting piece; a third mounting plate is arranged above the second mounting plate, a connecting rod is vertically arranged between the second mounting plate and the third mounting plate, and a first servo motor for driving the connecting rod to rotate is arranged on the second mounting plate; the third mounting plate is provided with a mounting hole position of the tested piece; the test fixture comprises a base platform, and is characterized in that a support frame is fixed on the base platform, an image acquisition module is arranged on the support frame corresponding to the base platform, and the image acquisition module is used for acquiring images of a tested piece arranged on a third mounting plate.
According to the technical scheme that this application embodiment provided, the support frame includes mutually perpendicular's first minute pole and second minute pole, first minute pole with the perpendicular fixed connection of base station, first minute pole is kept away from the one end of base station is connected on the second minute pole, the movably setting of image acquisition module is in on the second minute pole.
According to the technical scheme that this application embodiment provided, the base station surface corresponds first electric telescopic handle inwards caves in and has first slide rail, first mounting panel is close to the surface of base station corresponds first slide rail sets up the ball, the both sides of first mounting panel correspond arbitrary one first slide rail sets up the ball respectively, the ball is rotationally the joint in the first slide rail.
According to the technical scheme provided by the embodiment of the application, the control system comprises an environment control module, a motion control module and a data acquisition and processing module; the environment control module is used for controlling the temperature and the air pressure in the vacuum temperature change experiment tank; the motion control module is used for controlling the motion of the first electric telescopic rod, the ball screw and the connecting rod; the data acquisition and processing module is used for receiving the image data of the image acquisition module and carrying out data analysis on the image data.
According to the technical scheme that this application embodiment provided, the second divides the pole to keep away from the tip of first branch pole is equipped with second electric telescopic handle, the image acquisition module is connected second electric telescopic handle's expansion end.
According to the technical scheme provided by the embodiment of the application, the control system controls the movement of the second electric telescopic rod.
According to the technical scheme that this application embodiment provided, first minute pole with still be equipped with third electric telescopic handle between the base station, first minute pole is connected third electric telescopic handle's expansion end, third electric telescopic handle drive first minute pole with the base station vertical direction motion.
According to the technical scheme provided by the embodiment of the application, the control system controls the movement of the third electric telescopic rod.
According to the technical scheme provided by the embodiment of the application, the second branch rod is provided with a light supplement lamp corresponding to the image acquisition module.
The invention has the beneficial effects that: the application provides a high-low temperature rotary table used in a high vacuum environment, which comprises a rotary table body arranged in a vacuum temperature change experiment tank and a control system positioned outside the vacuum temperature change experiment tank, wherein the control system is used for controlling the environment in the vacuum temperature change experiment tank, controlling the motion of the rotary table body and acquiring and processing experiment data in the vacuum temperature change experiment tank; the turntable body comprises a base station, a pair of first electric telescopic rods arranged in parallel is arranged on the surface of the base station, a first mounting plate is further arranged on the surface of the base station, the end parts of the pair of first electric telescopic rods are respectively connected to one side edge of the first mounting plate, and the pair of first electric telescopic rods drive the first mounting plate to slide on the surface of the base station; a ball screw is arranged on the first mounting plate, the arrangement direction of the ball screw is perpendicular to that of the first electric telescopic rod, a connecting piece is connected onto the ball screw in a threaded manner, and a second mounting plate is fixed on the surface of one side, away from the ball screw, of the connecting piece; a third mounting plate is arranged above the second mounting plate, a connecting rod is vertically arranged between the second mounting plate and the third mounting plate, and a first servo motor for driving the connecting rod to rotate is arranged on the second mounting plate; the third mounting plate is provided with a mounting hole position of the tested piece; the test fixture comprises a base platform, and is characterized in that a support frame is fixed on the base platform, an image acquisition module is arranged on the support frame corresponding to the base platform, and the image acquisition module is used for acquiring images of a tested piece arranged on a third mounting plate.
The control system controls the tested piece to move in the vacuum temperature change experiment tank, the image acquisition module acquires the image of the tested piece in the vacuum high-low temperature environment and analyzes the deformation of the tested piece in the vacuum high-low temperature environment through the image.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present application;
fig. 2 is a schematic top view of a turntable body according to a first embodiment of the present application;
the text labels in the figures are represented as: 100. a vacuum temperature change experimental tank; 210. a base station; 211. a first electric telescopic rod; 212. a first slide rail; 220. a first mounting plate; 221. a ball screw; 222. a connecting member; 223. a ball bearing; 230. a second mounting plate; 231. a connecting rod; 240. a third mounting plate; 251. a first branch rod; 252. a second branch rod; 253. a second electric telescopic rod; 254. a third electric telescopic rod; 260. an image acquisition module; 270. a light supplement lamp; 300. and (5) controlling the system.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.
Fig. 1 and fig. 2 show a first embodiment of the present application, which includes a turntable body installed in a vacuum temperature change experiment tank 100 and a control system 300 located outside the vacuum temperature change experiment tank 100, where the control system 300 is configured to control an environment in the vacuum temperature change experiment tank 100, control the movement of the turntable body, and collect and process experiment data in the vacuum temperature change experiment tank 100. The test piece is placed on the turntable body in the vacuum temperature change experimental tank 100.
The turntable body comprises a base table 210, a pair of first electric telescopic rods 211 arranged in parallel are arranged on the surface of the base table 210, a first mounting plate 220 is further arranged on the surface of the base table 210, the end portions of the first electric telescopic rods 211 are connected to one side edge of the first mounting plate 220 respectively, and the first electric telescopic rods 211 drive the first mounting plate 220 to slide on the surface of the base table 210. The pair of first electric telescopic rods 211 synchronously extend and retract to drive the first mounting plate 220 to horizontally move on the base 210.
Preferably, the surface of the base platform 210 corresponds to the first electric telescopic rod 211 and is inwards recessed to form a first slide rail 212, the first mounting plate 220 is close to the surface of the base platform 210 and corresponds to the first slide rail 212 to form a ball 223, two sides of the first mounting plate 220 correspond to any one of the first slide rail 212 to form a ball 223, and the ball 223 is rotatably clamped in the first slide rail 212. In the preferred embodiment, the balls 223 embedded in the surface of the first mounting plate 220 can reduce the friction force when the first mounting plate 220 moves in the first sliding rail 212, and can provide a supporting force for the first mounting plate 220 on the base 210 during the movement of the first mounting plate 220, so as to ensure that the first mounting plate 220 moves horizontally and smoothly.
The first mounting plate 220 is provided with a ball screw 221, the setting direction of the ball screw 221 is perpendicular to the first electric telescopic rod 211, the ball screw 221 is connected with a connecting piece 222 in a threaded manner, and a second mounting plate 230 is fixed on the surface of one side, far away from the ball screw 221, of the connecting piece 222. In this embodiment, a second servo motor is disposed on the first mounting plate 220 corresponding to one end of the ball screw 221, an output shaft of the second servo motor passes through an end portion of the ball screw 221 connected by a coupling, and the second servo motor drives the ball screw 221 to rotate. The connecting piece 222 is provided with a nut, the nut is sleeved outside the ball screw 221 in a threaded manner, the ball screw 221 rotates to drive the connecting piece 222 to horizontally move along the direction vertical to the first mounting plate 220, and the connecting piece 222 is also provided with a second mounting plate 230, so that the connecting piece 222 drives the second mounting plate 230 to horizontally move along the direction vertical to the first mounting plate 220.
A third mounting plate 240 is arranged above the second mounting plate 230, a connecting rod 231 is vertically arranged between the second mounting plate 230 and the third mounting plate 240, and a first servo motor for driving the connecting rod 231 to rotate is arranged on the second mounting plate 230. An output shaft of the first servo motor is connected to an end of the connection rod 231 through a coupling, the other end of the connection rod 231 is fixedly connected to the center of the surface of the third mounting plate 240, and the first servo motor drives the third mounting plate 240 to rotate horizontally.
In this embodiment, according to the testing action or position of the tested object, the third mounting plate 240 is provided with a mounting hole for the tested object, and the tested object is fixed on the mounting hole by a bolt. The test piece mounted on the third mounting plate 240 can also perform a horizontal circular rotation based on the position where the second mounting plate 230 is moved.
A support frame is fixed on the base platform 210, an image acquisition module 260 is arranged on the support frame corresponding to the upper part of the base platform 210, and the image acquisition module 260 is used for acquiring images of the tested piece arranged on the second mounting plate 230 and/or the third mounting plate 240.
In this embodiment, the image capturing module 260 is configured to capture an image of the shape of the tested object in an all-directional manner, and along with the rotation of the third mounting plate 240, the image capturing module 260 can capture images of the tested object at different angular positions.
In a preferred embodiment, the control system 300 includes an environmental control module, a motion control module, and a data acquisition and processing module; the environment control module is used for controlling the temperature and the air pressure in the vacuum temperature change experiment tank 100; the motion control module is used for controlling the motion of the first electric telescopic rod 211, the ball screw 221 and the connecting rod 231; the data acquisition and processing module is configured to receive the image data of the image acquisition module 260 and perform data analysis on the image data. In the preferred embodiment, the data acquisition and processing module acquires deformation of the tested piece in vacuum at different temperatures through image data of the tested piece.
In a preferred embodiment, the supporting frame includes a first branch rod 251 and a second branch rod 252 perpendicular to each other, the first branch rod 251 is perpendicularly and fixedly connected to the base 210, an end of the first branch rod 251 away from the base 210 is connected to the second branch rod 252, and the image capturing module 260 is movably disposed on the second branch rod 252. In the preferred embodiment, the first sub-bar 251 is vertically disposed and the second sub-bar 252 is horizontally disposed.
Preferably, a second electric telescopic rod 253 is arranged at the end part of the second branch rod 252 far away from the first branch rod 251, and the image acquisition module 260 is connected to the movable end of the second electric telescopic rod 253. In this preferred embodiment, the image capturing module 260 can be driven to move horizontally by the extension and retraction of the second electric telescopic rod 253 on the second branch rod 252, so that the image capturing module 260 can adjust the distance between the image capturing module 260 and the tested piece on the third mounting plate 240 according to the actual situation. In the preferred embodiment, the control system 300 controls the movement of the second electric telescopic rod 253.
Preferably, a third electric telescopic rod 254 is further disposed between the first branch rod 251 and the base platform 210, the first branch rod 251 is connected to a movable end of the third electric telescopic rod 254, and the third electric telescopic rod 254 drives the first branch rod 251 to move in a direction perpendicular to the base platform 210. In the preferred embodiment, the image capturing module 260 on the second branch rod 252 adjusts the vertical height through the extension and retraction of the third electric telescopic rod 254, and further adjusts the distance from the workpiece to be tested in the vertical direction. In the preferred embodiment, the control system 300 controls the movement of the third electric telescopic rod 254.
Preferably, to improve the quality of the image of the piece under test acquired by the image acquisition module 260: a light supplement lamp 270 is further arranged on the second branch rod 252 corresponding to the image acquisition module 260.
The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.
Claims (9)
1. The high-low temperature turntable used in the high-vacuum environment is characterized by comprising a turntable body arranged in a vacuum temperature change experiment tank (100) and a control system (300) positioned outside the vacuum temperature change experiment tank (100), wherein the control system (300) is used for controlling the environment in the vacuum temperature change experiment tank (100), controlling the movement of the turntable body and collecting and processing experiment data in the vacuum temperature change experiment tank (100);
the turntable body comprises a base platform (210), a pair of first electric telescopic rods (211) which are arranged in parallel are arranged on the surface of the base platform (210), a first mounting plate (220) is further arranged on the surface of the base platform (210), the end parts of the pair of first electric telescopic rods (211) are respectively connected to one side edge of the first mounting plate (220), and the pair of first electric telescopic rods (211) drive the first mounting plate (220) to slide on the surface of the base platform (210);
a ball screw (221) is arranged on the first mounting plate (220), the arrangement direction of the ball screw (221) is perpendicular to that of the first electric telescopic rod (211), a connecting piece (222) is connected to the ball screw (221) in a threaded mode, and a second mounting plate (230) is fixed to the surface of one side, away from the ball screw (221), of the connecting piece (222);
a third mounting plate (240) is arranged above the second mounting plate (230), a connecting rod (231) is vertically arranged between the second mounting plate (230) and the third mounting plate (240), and a first servo motor for driving the connecting rod (231) to rotate is arranged on the second mounting plate (230); the third mounting plate (240) is provided with a mounting hole position of a tested piece;
the test device is characterized in that a support frame is fixed on the base platform (210), an image acquisition module (260) is arranged above the base platform (210) and corresponds to the support frame, and the image acquisition module (260) is used for acquiring images of a tested piece arranged on the third mounting plate (240).
2. The turntable for high and low temperature under high vacuum environment according to claim 1, wherein the supporting frame comprises a first sub-rod (251) and a second sub-rod (252) perpendicular to each other, the first sub-rod (251) is perpendicularly and fixedly connected with the base (210), one end of the first sub-rod (251) far away from the base (210) is connected to the second sub-rod (252), and the image capturing module (260) is movably disposed on the second sub-rod (252).
3. The turntable for high and low temperatures under high vacuum environment according to claim 1, wherein a first slide rail (212) is recessed in a surface of the base (210) corresponding to the first electric telescopic rod (211), a ball (223) is disposed on a surface of the first mounting plate (220) close to the base (210) corresponding to the first slide rail (212), two sides of the first mounting plate (220) corresponding to any one of the first slide rails (212) are respectively provided with a ball (223), and the ball (223) is rotatably engaged in the first slide rail (212).
4. The turntable for high and low temperature under high vacuum environment according to claim 1, wherein the control system (300) comprises an environment control module, a motion control module and a data acquisition and processing module;
the environment control module is used for controlling the temperature and the air pressure in the vacuum temperature change experiment tank (100); the motion control module is used for controlling the motion of the first electric telescopic rod (211), the ball screw (221) and the connecting rod (231); the data acquisition and processing module is used for receiving the image data of the image acquisition module (260) and carrying out data analysis on the image data.
5. The high-low temperature rotary table for the high vacuum environment as claimed in claim 2, wherein the end of the second branch rod (252) far away from the first branch rod (251) is provided with a second electric telescopic rod (253), and the image acquisition module (260) is connected to the movable end of the second electric telescopic rod (253).
6. The high-low temperature rotary table for high vacuum environment as claimed in claim 5, wherein the control system (300) controls the movement of the second electric telescopic rod (253).
7. The high and low temperature rotary table for high vacuum environment according to claim 2, wherein a third electric telescopic rod (254) is further disposed between the first branch rod (251) and the base (210), the first branch rod (251) is connected to a movable end of the third electric telescopic rod (254), and the third electric telescopic rod (254) drives the first branch rod (251) to move in a direction perpendicular to the base (210).
8. The high-low temperature rotary table for high vacuum environment as claimed in claim 7, wherein the control system (300) controls the movement of the third electric telescopic rod (254).
9. The high-low temperature rotary table for the high vacuum environment as claimed in claim 2, wherein a light supplement lamp (270) is further disposed on the second branch rod (252) corresponding to the image acquisition module (260).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568581.3U CN210321629U (en) | 2019-09-20 | 2019-09-20 | High-low temperature rotary table used in high vacuum environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921568581.3U CN210321629U (en) | 2019-09-20 | 2019-09-20 | High-low temperature rotary table used in high vacuum environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321629U true CN210321629U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921568581.3U Active CN210321629U (en) | 2019-09-20 | 2019-09-20 | High-low temperature rotary table used in high vacuum environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321629U (en) |
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2019
- 2019-09-20 CN CN201921568581.3U patent/CN210321629U/en active Active
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