CN116500747B - Thermal control turntable for optical equipment - Google Patents
Thermal control turntable for optical equipment Download PDFInfo
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- CN116500747B CN116500747B CN202310754486.7A CN202310754486A CN116500747B CN 116500747 B CN116500747 B CN 116500747B CN 202310754486 A CN202310754486 A CN 202310754486A CN 116500747 B CN116500747 B CN 116500747B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims 1
- 108010066057 cabin-1 Proteins 0.000 description 23
- 238000009434 installation Methods 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 238000003825 pressing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/008—Mountings, adjusting means, or light-tight connections, for optical elements with means for compensating for changes in temperature or for controlling the temperature; thermal stabilisation
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The application discloses a thermal control turntable for optical equipment, which comprises a pitching frame, a load cabin, a positioning shaft, an azimuth base and a lens group box body, wherein the upper part of the pitching frame is rotatably provided with the load cabin, and a pitching driving mechanism is arranged in the pitching frame; a positioning shaft is arranged at the bottom of the pitching frame, and an azimuth driving mechanism is arranged between the pitching frame and the positioning shaft; the bottom of the positioning shaft is provided with an azimuth base, and one side of the azimuth base is provided with a lens group box body; the inside of the lens group box body, the azimuth base, the positioning shaft, the pitching frame and the load cabin are respectively provided with a light path channel in a bearing way; the load cabin, the azimuth base and the lens group box body are respectively closed channels, the pitching frame is respectively in dynamic sealing connection with the load cabin and the positioning shaft, and glass windows are respectively arranged between the pitching frame and the light path channels of the load cabin and between the positioning shaft and the light path channels of the azimuth base. The application improves the heat control efficiency and has better practicability.
Description
Technical Field
The application belongs to the technical field of optical rotary tables, and particularly relates to a thermal control rotary table for optical equipment.
Background
In optical equipment, an optical path is often required to be embedded in the turntable, and high-power laser can pass through the turntable at the moment, however, high heat can be generated in the laser transmission process, and long-time use can easily cause thermal damage in the turntable, so that the optical precision is greatly reduced, and the service life of the turntable is greatly prolonged. At present, our laser thermal control mode is: and filling nitrogen into the closed channel for pressure maintaining, and continuously filling nitrogen into the open channel. It is apparent that the thermal control of the open channel is more complex and that existing turrets include multiple zones, which presents a significant challenge for thermal control.
Disclosure of Invention
The application aims to provide a thermal control turntable for optical equipment, which aims to reasonably divide a closed channel and an open channel, separate the closed channel from the open channel and reduce the area of the open channel as much as possible so as to solve the problems.
The application is realized mainly by the following technical scheme:
the thermal control turntable for the optical equipment comprises a pitching frame, a load cabin, a positioning shaft, an azimuth base and a mirror group box body, wherein the load cabin is rotatably arranged at the upper part of the pitching frame, and a pitching driving mechanism is arranged in the pitching frame and used for driving the load cabin to perform pitching motion; a positioning shaft is arranged at the bottom of the pitching frame, and an azimuth driving mechanism is arranged between the pitching frame and the positioning shaft and used for driving the pitching frame to move in azimuth; the bottom of the positioning shaft is provided with an azimuth base, and one side of the azimuth base is provided with a lens group box body; the inside of the lens group box body, the azimuth base, the positioning shaft, the pitching frame and the load cabin are respectively provided with a light path channel in a bearing way; the load cabin, the azimuth base and the lens group box body are respectively closed channels, the pitching frame is respectively in dynamic sealing connection with the load cabin and the positioning shaft, and glass windows are respectively arranged between the pitching frame and the light path channels of the load cabin and between the positioning shaft and the light path channels of the azimuth base.
In order to better realize the application, the application further comprises a conductive slip ring and a positioning installation seat, wherein the middle part of the conductive slip ring is communicated with the positioning installation seat, the positioning installation seat is fixedly arranged in the azimuth base, one end of the conductive slip ring is connected with the positioning installation seat, and a glass window is arranged between the conductive slip ring and the positioning installation seat; the other end of the conductive slip ring passes through the positioning shaft and is connected with the optical path channel of the pitching frame.
In order to better realize the application, a chute is further arranged between the positioning shaft and the pitching frame.
In order to better realize the application, further, the first reflector is arranged in the azimuth base corresponding to the optical path channel of the lens group box, the second reflector and the third reflector are arranged at the lower part of the pitching frame corresponding to the first reflector from inside to outside in sequence, the fourth reflector and the fifth reflector are arranged at the upper part of the pitching frame corresponding to the third reflector and the load cabin respectively, and the first reflector, the second reflector, the third reflector, the fourth reflector and the fifth reflector are arranged according to the propagation direction of the optical path in sequence.
In order to better realize the application, the first reflecting mirror, the second reflecting mirror, the third reflecting mirror, the fourth reflecting mirror and the fifth reflecting mirror are respectively and fixedly arranged through the mirror bracket.
In order to better realize the application, the pitching frame is further connected with the load cabin and the positioning shaft in a dynamic sealing way through a labyrinth sealing ring and/or a dynamic sealing ring respectively.
In order to better realize the application, the azimuth driving mechanism further comprises an azimuth table, an azimuth driving motor and an azimuth rotating mechanism which are sequentially arranged from outside to inside, the positioning shaft is rotationally connected with the azimuth table through the azimuth rotating mechanism, the azimuth table is fixedly connected with a motor rotor of the azimuth driving motor, the bottom of the pitching frame is provided with an installation cavity, and the azimuth table is fixedly connected with the installation cavity.
In order to better realize the application, further, the bearing table and the bottom side wall of the positioning shaft are respectively correspondingly and parallelly provided with a sealing inner ring and a sealing outer ring, and the sealing inner ring and the sealing outer ring are in dynamic sealing connection through a labyrinth sealing ring; and/or a movable sealing ring is arranged between the azimuth rotating mechanism and the azimuth table.
In order to better realize the application, further, the outer side of the top end of the positioning shaft is provided with an encoder grating ruler, and the top of the azimuth table is correspondingly provided with an encoder reading head through a bracket.
In order to better realize the application, the pitching driving mechanism further comprises a pitching driving motor, a pitching rotating mechanism, a first rotating shaft and a second rotating shaft, wherein the middle part of the first rotating shaft and the middle part of the second rotating shaft are communicated with each other, the first rotating shaft and the second rotating shaft are respectively arranged on two sides of the upper part of the pitching frame through the pitching rotating mechanism, and a motor rotor of the pitching driving motor is connected with the second rotating shaft; the first rotating shaft is communicated with the optical path channel inside the pitching frame, and a glass window is arranged between the first rotating shaft and the load cabin.
In order to better realize the application, the pitching rotation mechanism further comprises bearing blocks and bearing units, wherein the bearing blocks are respectively arranged on two sides of the upper part of the pitching frame, and the bearing blocks are respectively in rotary connection with the first rotating shaft and the second rotating shaft through the bearing units.
In order to better realize the application, the bearing seat and the load cabin are further connected in a dynamic sealing way through a labyrinth sealing ring, and/or the bearing units are respectively connected with the load cabin in a dynamic sealing way through a dynamic sealing ring.
In order to better realize the application, the device further comprises an encoder grating ruler and an encoder reading head, wherein the encoder grating ruler is arranged on one side of the first rotating shaft far away from the load cabin, and the encoder reading head is arranged at one end of the bearing seat on the outer side of the first rotating shaft through a bracket.
The beneficial effects of the application are as follows:
(1) The application designs the load cabin, the azimuth base and the lens group box body as a closed channel, and designs the azimuth and pitching shafting containing a small amount of air leakage in dynamic seal on the pitching frame. When the device is used, only the pitching frame is required to be continuously filled with nitrogen and the internal pressure of the pitching frame is monitored, other operations are not required after other areas are filled with nitrogen once, and mutual isolation of different areas is realized through window glass and airtight conducting rings among different areas. The application makes the heat control operation of the turntable simpler and more convenient, improves the heat control efficiency and has better practicability.
(2) The application improves the integration level of the device through the bearing table and the bearing seat body of the bearing seat respectively, provides mounting positions for other elements, fully mounts the other elements on the bearing seat body to form a shafting, and then mounts the shafting as a whole at the corresponding position of the equipment. Through adopting the structure of integral shaft system, when shafting installation, debugging, precision inspection, airtight test, only need alone operate the integral shaft system, improved shafting assembly, debugging's convenience greatly, reduced whole dismouting number of times, improved work efficiency, have better practicality.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of a closed channel structure according to the present application;
FIG. 3 is a schematic view of the structure of the optical path inside the turntable;
FIG. 4 is a schematic diagram of a connection structure between a positioning shaft and an azimuth driving mechanism;
FIG. 5 is a schematic diagram of a connection structure between the first shaft and the pitch rotation mechanism;
fig. 6 is a schematic diagram of a connection structure between the second shaft and the pitching rotation mechanism.
Wherein: 1-load cabin, 2-pitching frame, 3-position base, 4-mirror group box, 5-glass window, 6-position platform, 7-position driving motor, 8-location axle, 9-encoder reading head, 10-encoder grating chi, 11-labyrinth seal, 12-movable seal, 13-chute, 14-first pivot, 15-second pivot, 16-pitching driving motor, 17-bearing frame, 18-first speculum, 19-second speculum, 20-third speculum, 21-fourth speculum, 22-fifth speculum, 23-electrically conductive sliding ring.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings and the detailed embodiments.
Example 1:
1-3, a thermal control turntable for optical equipment comprises a pitching frame 2, a load cabin 1, a positioning shaft 8, an azimuth base 3 and a lens group box body 4, wherein the upper part of the pitching frame 2 is rotatably provided with the load cabin 1, and a pitching driving mechanism is arranged in the pitching frame 2 and used for driving the load cabin 1 to perform pitching motion; a positioning shaft 8 is arranged at the bottom of the pitching frame 2, and an azimuth driving mechanism is arranged between the pitching frame 2 and the positioning shaft 8 and used for driving the pitching frame 2 to move in azimuth; the bottom of the positioning shaft 8 is provided with an azimuth base 3, and one side of the azimuth base 3 is provided with a lens group box 4; the inside of the lens group box body 4, the azimuth base 3, the positioning shaft 8, the pitching frame 2 and the load cabin 1 are respectively provided with a light path channel in a bearing way; the load cabin 1, the azimuth base 3 and the lens group box body 4 are respectively closed channels, the pitching frame 2 is respectively in dynamic sealing connection with the load cabin 1 and the positioning shaft 8, and glass windows 5 are respectively arranged between the pitching frame 2 and the light path channel of the load cabin 1 and between the positioning shaft 8 and the light path channel of the azimuth base 3.
Preferably, as shown in fig. 3, the first mirror 18 is disposed in the optical path channel corresponding to the mirror group case 4 in the azimuth base 3, the second mirror 19 and the third mirror 20 are disposed in the lower portion of the elevation frame 2 corresponding to the first mirror 18 in sequence from inside to outside, the fourth mirror 21 and the fifth mirror 22 are disposed in the upper portion of the elevation frame 2 corresponding to the third mirror 20 and the load compartment 1, respectively, and the first mirror 18, the second mirror 19, the third mirror 20, the fourth mirror 21 and the fifth mirror 22 are disposed in sequence according to the direction of propagation of the optical path. Preferably, the first mirror 18, the second mirror 19, the third mirror 20, the fourth mirror 21, and the fifth mirror 22 are respectively fixed by a frame.
Preferably, the device further comprises a conductive slip ring 23 and a positioning installation seat, wherein the middle part of the conductive slip ring is communicated with the positioning installation seat, the positioning installation seat is fixedly arranged in the azimuth base 3, one end of the conductive slip ring 23 is connected with the positioning installation seat, and a glass window 5 is arranged between the conductive slip ring 23 and the positioning installation seat; the other end of the conductive slip ring 23 passes through the positioning shaft 8 and is connected with the optical path channel of the pitching frame 2. Preferably, a chute 13 is arranged between the positioning shaft 8 and the pitch frame 2.
The turntable is internally embedded with a light path, such as a kude light path, and laser sequentially passes through the azimuth base 3, the positioning shaft 8 and the light path channel of the pitching frame 2 after passing through the mirror group box 4 and then enters the light path channel inside the load cabin 1 until being received by optical elements inside the load cabin. Because the laser has high energy, the interior of the turntable is often thermally damaged, inert gas protection is needed, and the long-time dynamic ventilation sealing limits industrial production. Therefore, the load cabin 1, the azimuth base 3 and the lens group box body 4 are designed to be closed channels, and azimuth and pitching axes containing dynamic sealing and having little leakage are designed on the pitching frame 2. When the device is used, only the pitching frame 2 is required to be continuously filled with nitrogen and the internal pressure of the pitching frame is monitored, other operations are not required after other areas are filled with nitrogen once, and mutual isolation of different areas is realized through window glass and airtight conducting rings among different areas. The application makes the heat control operation of the turntable simpler and more convenient, improves the heat control efficiency and has better practicability.
Example 2:
1-3, the thermal control turntable for the optical equipment comprises a pitching frame 2, a load cabin 1, a positioning shaft 8, an azimuth base 3 and a lens group box body 4, wherein the inside of the lens group box body 4, the azimuth base 3, the positioning shaft 8, the pitching frame 2 and the load cabin 1 are respectively provided with an optical path channel in a bearing way; the load cabin 1, the azimuth base 3 and the lens group box body 4 are respectively closed channels, the pitching frame 2 is respectively in dynamic sealing connection with the load cabin 1 and the positioning shaft 8, and glass windows 5 are respectively arranged between the pitching frame 2 and the light path channel of the load cabin 1 and between the positioning shaft 8 and the light path channel of the azimuth base 3. As shown in fig. 4, a positioning shaft 8 is installed at the bottom of the pitching frame 2, and an azimuth driving mechanism is arranged between the pitching frame 2 and the positioning shaft 8 and is used for driving the pitching frame 2 to move in azimuth.
The application designs the load cabin 1, the azimuth base 3 and the lens group box 4 as closed channels, and designs the azimuth and pitching axes containing dynamic seal and having a small amount of air leakage on the pitching frame 2. When the device is used, only the pitching frame 2 is required to be continuously filled with nitrogen and the internal pressure of the pitching frame is monitored, other operations are not required after other areas are filled with nitrogen once, and mutual isolation of different areas is realized through window glass and airtight conducting rings among different areas. The application makes the heat control operation of the turntable simpler and more convenient, improves the heat control efficiency and has better practicability.
Preferably, as shown in fig. 4, the azimuth driving mechanism comprises an azimuth table 6, an azimuth driving motor 7 and an azimuth rotating mechanism which are sequentially arranged from outside to inside, the positioning shaft 8 is rotationally connected with the azimuth table 6 through the azimuth rotating mechanism, the azimuth table 6 is fixedly connected with a motor rotor of the azimuth driving motor 7, an installation cavity is formed in the bottom of the pitching frame 2, and the azimuth table 6 is fixedly connected with the installation cavity. Preferably, a cavity is arranged on the inner side of the azimuth table 6, and is used for sequentially installing a motor rotor and a motor stator.
Preferably, the bearing table 6 and the bottom side wall of the positioning shaft 8 are respectively provided with a sealing inner ring and a sealing outer ring in parallel correspondingly, and the sealing inner ring and the sealing outer ring are in dynamic sealing connection through a labyrinth seal ring 11; and/or a movable sealing ring 12 is arranged between the azimuth rotating mechanism and the azimuth table 6. Preferably, the labyrinth seal 11 and the movable seal 12 are respectively annular structures.
Preferably, an encoder grating ruler 10 is arranged outside the top end of the positioning shaft 8, and an encoder reading head 9 is correspondingly arranged on the top of the azimuth table 6 through a bracket.
The application improves the integration level of the device through the seat body of the azimuth table 6, provides mounting positions for other elements, fully mounts the other elements on the seat body to form a shafting, and mounts the shafting as a whole at the corresponding position of the equipment. Through adopting the structure of integral shaft system, when shafting installation, debugging, precision inspection, airtight test, only need alone operate the integral shaft system, improved shafting assembly, debugging's convenience greatly, reduced whole dismouting number of times, improved work efficiency, have better practicality.
Example 3:
1-3, the thermal control turntable for the optical equipment comprises a pitching frame 2, a load cabin 1, a positioning shaft 8, an azimuth base 3 and a lens group box body 4, wherein the inside of the lens group box body 4, the azimuth base 3, the positioning shaft 8, the pitching frame 2 and the load cabin 1 are respectively provided with an optical path channel in a bearing way; the load cabin 1, the azimuth base 3 and the lens group box body 4 are respectively closed channels, the pitching frame 2 is respectively in dynamic sealing connection with the load cabin 1 and the positioning shaft 8, and glass windows 5 are respectively arranged between the pitching frame 2 and the light path channel of the load cabin 1 and between the positioning shaft 8 and the light path channel of the azimuth base 3. The upper part of the pitching frame 2 is rotatably provided with a load cabin 1, and a pitching driving mechanism is arranged in the pitching frame 2 and is used for driving the load cabin 1 to perform pitching motion.
Preferably, as shown in fig. 2, the pitch driving mechanism includes a pitch driving motor 16, a pitch rotating mechanism, and a first rotating shaft 14 and a second rotating shaft 15 with a through middle part, wherein the two sides of the upper part of the pitch frame 2 are respectively provided with the first rotating shaft 14 and the second rotating shaft 15 through the pitch rotating mechanism, and a motor rotor of the pitch driving motor 16 is connected with the second rotating shaft 15; the first rotating shaft 14 is communicated with an optical path channel inside the pitching frame 2, and a glass window 5 is arranged between the first rotating shaft 14 and the load compartment 1.
Preferably, as shown in fig. 5 and 6, the pitching rotation mechanism comprises a bearing seat 17 and a bearing unit, wherein the bearing seat 17 is respectively installed on two sides of the upper part of the pitching frame 2, and the bearing seat 17 is respectively and rotatably connected with the first rotating shaft 14 and the second rotating shaft 15 through the bearing unit.
Preferably, the bearing seat 17 is in dynamic sealing connection with the load compartment 1 through a labyrinth seal 11, and/or the bearing units are respectively in dynamic sealing connection with the load compartment 1 through a dynamic seal 12. Preferably, as shown in fig. 5 and 6, the bearing unit includes a bearing body, an inner bearing pressing ring and an outer bearing pressing ring, the bearing body is disposed between the bearing seat 17 and the rotating shaft, the inner bearing pressing ring and the outer bearing pressing ring are sequentially disposed between the bearing seat 17 and the rotating shaft from the outside to the inside on the side far away from the load compartment 1, and the movable sealing ring 12 is disposed between the bearing seat 17 and the rotating shaft on the side near the load compartment 1. Preferably, as shown in fig. 6, an integrated groove is provided in the circumferential direction on the outer side of the bearing housing 17 connected to the second rotating shaft 15, in which the motor rotor and the motor stator of the pitch drive motor 16 are installed.
Preferably, as shown in fig. 5, the device further comprises an encoder grating ruler 10 and an encoder reading head 9, the encoder grating ruler 10 is arranged on one side of the first rotating shaft 14 away from the load cabin 1, and the encoder reading head 9 is mounted on one end of the bearing seat 17 outside the first rotating shaft 14 through a bracket.
The application improves the integration level of the device through the bearing seat 17, provides mounting positions for other elements, fully mounts the other elements on the seat body to form a shafting, and mounts the shafting as a whole at the corresponding position of the equipment. Through adopting the structure of integral shaft system, when shafting installation, debugging, precision inspection, airtight test, only need alone operate the integral shaft system, improved shafting assembly, debugging's convenience greatly, reduced whole dismouting number of times, improved work efficiency, have better practicality.
The foregoing description is only a preferred embodiment of the present application, and is not intended to limit the present application in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present application fall within the scope of the present application.
Claims (12)
1. The thermal control turntable for the optical equipment is characterized by comprising a pitching frame (2), a load cabin (1), a positioning shaft (8), an azimuth base (3) and a lens group box body (4), wherein the load cabin (1) is rotatably arranged at the upper part of the pitching frame (2), and a pitching driving mechanism is arranged in the pitching frame (2) and used for driving the load cabin (1) to perform pitching motion; a positioning shaft (8) is arranged at the bottom of the pitching frame (2), and an azimuth driving mechanism is arranged between the pitching frame (2) and the positioning shaft (8) and used for driving the pitching frame (2) to move in azimuth; the bottom of the positioning shaft (8) is provided with an azimuth base (3), and one side of the azimuth base (3) is provided with a lens group box body (4); the inside of the lens group box body (4), the azimuth base (3), the positioning shaft (8), the pitching frame (2) and the load cabin (1) are respectively provided with a light path channel in a bearing way; the load cabin (1), the azimuth base (3) and the lens group box body (4) are respectively closed channels, the pitching frame (2) is respectively in dynamic sealing connection with the load cabin (1) and the positioning shaft (8), and glass windows (5) are respectively arranged between the pitching frame (2) and the light path channel of the load cabin (1) and between the positioning shaft (8) and the light path channel of the azimuth base (3);
the novel glass positioning device is characterized by further comprising a conductive slip ring (23) and a positioning mounting seat, wherein the middle part of the conductive slip ring is communicated with the positioning mounting seat, the positioning mounting seat is fixedly arranged in the azimuth base (3), one end of the conductive slip ring (23) is connected with the positioning mounting seat, and a glass window (5) is arranged between the conductive slip ring (23) and the positioning mounting seat; the other end of the conductive slip ring (23) passes through the positioning shaft (8) and is connected with the optical path channel of the pitching frame (2).
2. A thermally controlled turntable for optical equipment according to claim 1, characterized in that a chute (13) is arranged between the positioning shaft (8) and the pitch frame (2).
3. The thermally controlled turntable for optical equipment according to claim 1, wherein the optical path channel of the mirror group box (4) corresponding to the inside of the azimuth base (3) is provided with a first mirror (18), the lower part of the pitching frame (2) is provided with a second mirror (19) and a third mirror (20) corresponding to the first mirror (18) in sequence from inside to outside, the upper part of the pitching frame (2) is provided with a fourth mirror (21) and a fifth mirror (22) corresponding to the third mirror (20) and the load cell (1), respectively, and the first mirror (18), the second mirror (19), the third mirror (20), the fourth mirror (21) and the fifth mirror (22) are arranged in sequence according to the direction of optical path propagation.
4. A thermally controlled turret for an optical device according to claim 3, characterized in that the first (18), second (19), third (20), fourth (21), fifth (22) mirrors are mounted and fixed by means of a frame, respectively.
5. A thermally controlled turret for an optical device according to claim 1, characterized in that the pitch frame (2) is in dynamic sealing connection with the load compartment (1), the positioning shaft (8) via a labyrinth seal (11) and/or a dynamic seal (12), respectively.
6. A thermally controlled turntable for optical equipment according to any one of claims 1-5, characterized in that the azimuth driving mechanism comprises an azimuth table (6), an azimuth driving motor (7) and an azimuth rotating mechanism which are sequentially arranged from outside to inside, the positioning shaft (8) is rotationally connected with the azimuth table (6) through the azimuth rotating mechanism, the azimuth table (6) is fixedly connected with a motor rotor of the azimuth driving motor (7), a mounting cavity is arranged at the bottom of the pitching frame (2), and the azimuth table (6) is fixedly connected with the mounting cavity.
7. The thermal control turntable for optical equipment according to claim 6, wherein a sealing inner ring and a sealing outer ring are respectively and correspondingly arranged on the bottom side walls of the azimuth table (6) and the positioning shaft (8) in parallel, and the sealing inner ring and the sealing outer ring are in dynamic sealing connection through a labyrinth seal ring (11); and/or a movable sealing ring (12) is arranged between the azimuth rotating mechanism and the azimuth table (6).
8. A thermally controlled turntable for optical equipment according to claim 6, characterized in that the encoder grating scale (10) is arranged outside the top end of the positioning shaft (8), and the encoder reading head (9) is correspondingly arranged on the top of the azimuth table (6) through a bracket.
9. A thermally controlled turret for an optical device according to any one of claims 1 to 5, wherein the pitch drive mechanism includes a pitch drive motor (16), a pitch rotation mechanism, and a first rotation shaft (14) and a second rotation shaft (15) penetrating through the middle, the first rotation shaft (14) and the second rotation shaft (15) are respectively mounted on both sides of the upper portion of the pitch frame (2) through the pitch rotation mechanism, and a motor rotor of the pitch drive motor (16) is connected with the second rotation shaft (15); the first rotating shaft (14) is communicated with an optical path channel inside the pitching frame (2), and a glass window (5) is arranged between the first rotating shaft (14) and the load cabin (1).
10. The thermal control turntable for optical equipment according to claim 9, wherein the pitching rotation mechanism comprises a bearing seat (17) and a bearing unit, the bearing seats (17) are respectively installed on two sides of the upper portion of the pitching frame (2), and the bearing seats (17) are respectively connected with the first rotation shaft (14) and the second rotation shaft (15) in a rotation mode through the bearing unit.
11. A thermally controlled turret for an optical device according to claim 10, characterized in that the bearing housing (17) is in dynamic sealing connection with the load compartment (1) by means of a labyrinth seal (11) and/or the bearing units are each in dynamic sealing connection with the load compartment (1) by means of a dynamic seal (12).
12. A thermally controlled turntable for optical equipment according to claim 10, characterized by further comprising an encoder grating ruler (10) and an encoder reading head (9), wherein the encoder grating ruler (10) is arranged on the side of the first rotating shaft (14) away from the load compartment (1), and the encoder reading head (9) is mounted on one end of the bearing seat (17) on the outer side of the first rotating shaft (14) through a bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754486.7A CN116500747B (en) | 2023-06-26 | 2023-06-26 | Thermal control turntable for optical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310754486.7A CN116500747B (en) | 2023-06-26 | 2023-06-26 | Thermal control turntable for optical equipment |
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| Publication Number | Publication Date |
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| CN116500747A CN116500747A (en) | 2023-07-28 |
| CN116500747B true CN116500747B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310754486.7A Active CN116500747B (en) | 2023-06-26 | 2023-06-26 | Thermal control turntable for optical equipment |
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