CN112540434A - Optical pitching adjusting device - Google Patents
Optical pitching adjusting device Download PDFInfo
- Publication number
- CN112540434A CN112540434A CN201910886671.5A CN201910886671A CN112540434A CN 112540434 A CN112540434 A CN 112540434A CN 201910886671 A CN201910886671 A CN 201910886671A CN 112540434 A CN112540434 A CN 112540434A
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- China
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- flat plate
- guide rail
- supporting mechanism
- lower flat
- sliding
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of optical pitching adjustment, and particularly discloses an optical pitching adjustment device. The device comprises a flat plate, a wedge block, a sliding assembly and a supporting mechanism, wherein the flat plate comprises an upper flat plate and a lower flat plate which are arranged up and down, one end of the upper flat plate is connected with the lower flat plate through the supporting mechanism, and the upper flat plate and the lower flat plate can rotate in a certain range along a rotating shaft of the supporting mechanism; the other end of the upper flat plate and the other end of the lower flat plate are provided with wedge blocks and sliding assemblies, the wedge blocks are provided with guide rail grooves which are inclined upwards, the sliding assemblies are arranged on the lower flat plate, the end parts of the two sides of each sliding assembly are provided with sliding rods which are clamped in the guide rail grooves of the wedge blocks, the sliding assemblies move back and forth, the upper flat plate is pushed to move relative to the lower flat plate through the movement of the sliding rods along the guide rail grooves of the wedge blocks, and pitching motion is carried out along a supporting mechanism between the upper. The optical pitching adjusting device can be used for installing and fixing large-size and heavy equipment and carrying out high-precision and high-stability optical pitching adjustment.
Description
Technical Field
The invention belongs to the technical field of optical pitching adjustment, and particularly relates to an optical pitching adjustment device.
Background
In optical experiments and systems, it is often necessary to adjust the tilt angle of an optical device to be level or at a desired angle and to remain stable. The conventional tilting table and pitching table are based on arc-shaped guide rails or steel balls, are limited in size and load, and cannot meet the installation and adjustment requirements of equipment with large size and high weight.
Disclosure of Invention
The invention aims to provide an optical pitching adjusting device, which solves the problems of high-precision and high-stability optical pitching adjustment of a pitching angle of large-size and heavy equipment.
The technical scheme of the invention is as follows: an optical pitching adjusting device comprises a flat plate, a wedge block, a sliding assembly and a supporting mechanism, wherein the flat plate comprises an upper flat plate and a lower flat plate which are arranged up and down, one end of the upper flat plate and one end of the lower flat plate are connected through the supporting mechanism and can rotate in a certain range along a rotating shaft of the supporting mechanism; the other end of the upper flat plate and the other end of the lower flat plate are provided with wedge blocks and sliding assemblies, the wedge blocks are provided with guide rail grooves which are inclined upwards, the sliding assemblies are arranged on the lower flat plate, the end parts of the two sides of each sliding assembly are provided with sliding rods which are clamped in the guide rail grooves of the wedge blocks, the sliding assemblies move back and forth, the upper flat plate is pushed to move relative to the lower flat plate through the movement of the sliding rods along the guide rail grooves of the wedge blocks, and pitching motion is carried out along a supporting mechanism between the upper.
The sliding assembly comprises a screw nut, a translation plate, a sliding rod, a screw, a sliding block and a guide rail, wherein the guide rail is fixedly arranged on the lower flat plate, and the axis direction of the guide rail is vertical to the rotating axis of the supporting mechanism; the translation plate is arranged on the guide rail through a sliding block, and the sliding rods are arranged at the end parts of the left side and the right side of the translation plate; the lead screw penetrates through a lead screw fixing seat fixed on the lower flat plate and then is matched with a lead screw nut fixed on the translation plate, and the translation plate and the sliding block are driven to move back and forth along the guide rail by the lead screw and the lead screw nut.
The front end of the screw rod is provided with a rotating hand wheel, and the moving distance of the screw rod relative to the screw nut can be accurately controlled by rotating the hand wheel.
The supporting mechanism comprises a supporting seat, a rotating shaft seat and a pin shaft, and the supporting seat is arranged on the lower end face of the inner side of the lower flat plate; the rotating shaft seat is arranged on the lower end face of the inner side of the upper flat plate and corresponds to the supporting seat in position, and the upper end of the supporting seat is connected with the rotating shaft seat through a pin shaft, so that the upper flat plate can rotate relative to the lower flat plate around the pin shaft.
The supporting mechanism comprises two supporting seats, the two supporting seats are arranged on the lower flat plate, and the connecting line of the two supporting seats is parallel to the edge of the end face; the rotating shaft seat is matched with the supporting seat.
The guide rail groove in the wedge block is an inclined through groove with a high outer part and a low inner part, the outer diameter of the sliding rod is slightly smaller than that of the guide rail groove of the wedge block, and the sliding rod moves in the guide rail groove to support the pitching motion of the upper flat plate.
The guide rail is arranged on the axis of the supporting mechanism.
And a plurality of mounting hole positions are arranged on the upper flat plate and the lower flat plate in the flat plates, so that other parts can be conveniently mounted.
The invention has the following remarkable effects: the optical pitching adjusting device can be used for installing and fixing large-size and heavy equipment and carrying out high-precision and high-stability optical pitching adjustment.
Drawings
FIG. 1 is a schematic structural diagram of an optical pitch adjustment apparatus according to the present invention;
FIG. 2 is a schematic structural diagram illustrating an adjustment process of an optical pitch adjustment apparatus according to the present invention;
in the figure: 1. a flat plate; 2. a wedge block; 3. a translation plate; 4. a lead screw nut; 5. a slide bar; 6. a rotating shaft seat; 7. a pin shaft; 8. a supporting seat; 9. a slider; 10. a guide rail; 11. a lead screw; 12. a lead screw fixing seat; 13. a handwheel.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 and 2, an optical pitch adjusting device includes a flat plate 1, a wedge 2, a sliding assembly, and a supporting mechanism, wherein the flat plate 1 includes an upper flat plate and a lower flat plate which are arranged up and down, and one end of the upper flat plate and one end of the lower flat plate are connected through the supporting mechanism, so that the upper flat plate and the lower flat plate rotate within a certain range along a rotating shaft on the supporting mechanism; the other ends of the upper flat plate and the lower flat plate are fixedly provided with a wedge block 2 and a sliding assembly, wherein the wedge block 2 is fixed on the lower end surface of the upper flat plate, the sliding assembly is fixed on the upper end surface of the lower flat plate, sliding rods 5 at the end parts of the two sides of the sliding assembly are arranged in inclined guide rail grooves in the wedge block 2, and the sliding rods 5 are driven to move along the guide rail grooves of the wedge block 2 through the back-and-forth movement of the sliding assembly to drive the upper flat plate to rotate along a rotating shaft on a supporting mechanism relative to the lower flat plate, so that the pitching angle;
the supporting mechanism comprises supporting seats 8, a rotating shaft seat 6 and a pin shaft 7, wherein the two supporting seats 8 are arranged near the upper end surface of the inner side of the lower flat plate, and the connecting line of the two supporting seats 8 is parallel to the edge of the end surface; the rotating shaft seat 6 is arranged on the lower end surface of the inner side of the upper flat plate and corresponds to the positions of the two supporting seats 8, and the upper end of each supporting seat 8 is connected with the rotating shaft seat 6 through a pin shaft 7, so that the upper flat plate can rotate relative to the lower flat plate around the pin shaft 7;
the sliding assembly comprises a screw nut 4, a translation plate 3, a sliding rod 5, a screw 11, a sliding block 9 and a guide rail 10, wherein the guide rail 10 and the sliding block 9 matched with the guide rail are arranged on the upper end surface of the outer side of the lower flat plate, and the moving direction of the sliding block 9 is vertical to a connecting line between the supporting seats 8; the translation plate fixedly provided with the screw nut 4 is fixedly connected with the slide block 9, the slide rods 5 are symmetrically and fixedly arranged on the end surfaces of the left side and the right side of the translation plate 3, the slide rods 5 are buckled in the oblique guide rail grooves of the two wedge blocks 2 on the lower end surface of the outer side of the upper flat plate, the translation plate 3 moves back and forth, and the upper flat plate is driven to perform pitching motion relative to the lower flat plate by the movement of the slide rods 5 along the oblique guide rail grooves of the wedge blocks 2; a lead screw fixing seat 12 is further fixed on the upper end face of the outer side of the lower flat plate, a lead screw 11 penetrates through the lead screw fixing seat 12, one end of the lead screw is connected with a lead screw nut 4 in a matching mode, a hand wheel 13 is installed at the end portion of the other end of the lead screw, and a translation plate fixedly connected with the lead screw nut 4 is driven to move back and forth by rotating the hand wheel 13, so that the pitching angle of the upper flat plate relative to the lower flat;
the upper flat plate and the lower flat plate are provided with a plurality of mounting hole sites which can be used for mounting other related components;
the optical pitching adjusting device provided by the invention has the specific working process that: the lead screw 11 is rotated by rotating the hand wheel 13, the distance between the lead screw fixing seat 12 and the lead screw nut 4 is changed along with the rotation of the lead screw, the translation plate 3, the sliding block 9 and the sliding rod 5 are driven to move along the guide rail 10, the inclined plane of the wedge block 2 is in contact with the sliding rod 5, therefore, the height of the wedge block 2 is changed along with the change of the distance, and the upper flat plate rotates by taking the pin shaft 7 as an axis, so that the adjustment of the pitching angle is realized.
Claims (8)
1. An optical pitch adjustment device, comprising: the device comprises a flat plate (1), a wedge block (2), a sliding assembly and a supporting mechanism, wherein the flat plate (1) comprises an upper flat plate and a lower flat plate which are arranged up and down, and one end of the flat plate is connected through the supporting mechanism and can rotate in a certain range along a rotating shaft of the supporting mechanism; be equipped with voussoir (2) and slip subassembly at the other end of last flat board and lower flat board, voussoir (2) have oblique ascending guide rail groove, the slip subassembly establish under on the flat board, and the tip of slip subassembly both sides is equipped with slide bar (5) of block in voussoir (2) guide rail groove, through the back-and-forth movement of slip subassembly, utilize slide bar (5) along the removal in voussoir (2) guide rail groove, promote the upper flat board and carry out pitching motion for lower flat board along the supporting mechanism between the two.
2. An optical pitch modification apparatus as claimed in claim 1, wherein: the sliding assembly comprises a screw nut (4), a translation plate (3), a sliding rod (5), a screw (11), a sliding block (9) and a guide rail (10), wherein the guide rail (10) is fixedly arranged on the lower flat plate, and the axis direction of the guide rail (10) is vertical to the rotating axis of the supporting mechanism; the translation plate (3) is arranged on the guide rail (10) through a sliding block (9), and the sliding rods (5) are arranged at the end parts of the left side and the right side of the translation plate (3); the screw (11) passes through a screw fixing seat (12) fixed on the lower flat plate and then is matched with a screw nut (4) fixed on the translation plate (3), and the translation plate (3) and the sliding block (9) are driven to move back and forth along the guide rail (10) by the screw (11) and the screw nut (4).
3. An optical pitch modification apparatus as claimed in claim 2, wherein: the front end of the lead screw (11) is provided with a rotating hand wheel (13), and the moving distance of the lead screw (11) relative to the lead screw nut (4) can be accurately controlled by rotating the hand wheel (13).
4. An optical pitch modification apparatus as claimed in claim 1, wherein: the supporting mechanism comprises a supporting seat (8), a rotating shaft seat (6) and a pin shaft (7), and the supporting seat (8) is arranged on the lower end face of the inner side of the lower flat plate; the rotating shaft seat (6) is arranged on the lower end face of the inner side of the upper flat plate and corresponds to the position of the supporting seat (8), and the upper end of the supporting seat (8) is connected with the rotating shaft seat (6) through a pin shaft (7), so that the upper flat plate can rotate relative to the lower flat plate around the pin shaft (7).
5. An optical pitch modification apparatus as claimed in claim 4, wherein: the supporting mechanism comprises two supporting seats (8), the two supporting seats (8) are arranged on the lower flat plate, and the connecting line of the two supporting seats (8) is parallel to the edge of the end face; the rotating shaft seat (6) is matched with the supporting seat (8).
6. An optical pitch modification apparatus as claimed in claim 1, wherein: the guide rail groove in the wedge block (2) is an inclined through groove with a high outer part and a low inner part, the outer diameter of the sliding rod (5) is slightly smaller than the guide rail groove of the wedge block (2), and the sliding rod (5) moves in the guide rail groove to support the pitching motion of the upper flat plate.
7. An optical pitch modification apparatus as claimed in claim 2, wherein: the guide rail (10) is arranged on the axis of the supporting mechanism.
8. An optical pitch modification apparatus as claimed in claim 1, wherein: a plurality of mounting hole positions are arranged on the upper flat plate and the lower flat plate in the flat plate (1), so that other parts can be conveniently mounted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910886671.5A CN112540434A (en) | 2019-09-19 | 2019-09-19 | Optical pitching adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910886671.5A CN112540434A (en) | 2019-09-19 | 2019-09-19 | Optical pitching adjusting device |
Publications (1)
Publication Number | Publication Date |
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CN112540434A true CN112540434A (en) | 2021-03-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910886671.5A Pending CN112540434A (en) | 2019-09-19 | 2019-09-19 | Optical pitching adjusting device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114109871A (en) * | 2021-11-09 | 2022-03-01 | 王自明 | Frequency conversion axial fan |
CN117360764A (en) * | 2023-12-08 | 2024-01-09 | 中国空气动力研究与发展中心计算空气动力研究所 | Boss side flat window guide head structure and aircraft |
-
2019
- 2019-09-19 CN CN201910886671.5A patent/CN112540434A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114109871A (en) * | 2021-11-09 | 2022-03-01 | 王自明 | Frequency conversion axial fan |
CN117360764A (en) * | 2023-12-08 | 2024-01-09 | 中国空气动力研究与发展中心计算空气动力研究所 | Boss side flat window guide head structure and aircraft |
CN117360764B (en) * | 2023-12-08 | 2024-03-12 | 中国空气动力研究与发展中心计算空气动力研究所 | Boss side flat window guide head structure and aircraft |
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