CN114459354B - Laser tracking and measuring mechanical system for folding light path - Google Patents
Laser tracking and measuring mechanical system for folding light path Download PDFInfo
- Publication number
- CN114459354B CN114459354B CN202210191793.4A CN202210191793A CN114459354B CN 114459354 B CN114459354 B CN 114459354B CN 202210191793 A CN202210191793 A CN 202210191793A CN 114459354 B CN114459354 B CN 114459354B
- Authority
- CN
- China
- Prior art keywords
- pitching
- platform
- motor
- optical
- sensitive detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 116
- 238000005259 measurement Methods 0.000 claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 230000010287 polarization Effects 0.000 claims description 3
- 238000004556 laser interferometry Methods 0.000 abstract description 2
- 238000009966 trimming Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
- G01B11/005—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates coordinate measuring machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a laser tracking measurement mechanical system for a folding light path, which comprises a light path carrying platform, a pitching motion platform, a rotary motor module, a system base and a standard ball. Aiming at the problems that the optical measurement system in the laser tracking measurement mechanical system is large in weight, so that the motor motion stability of a pitching axis and a rotating axis of the system is poor, and the motor output precision is reduced, a tiled optical path structure is folded and then folded spatially, so that the space of the optical system is reduced, the quality of an optical path carrying platform is effectively reduced, the distance between the center of mass of the optical path system for laser interferometry and the pitching axis of the mechanical system is shortened, the control difficulty of the pitching motor is further reduced, and a larger measurement range is obtained in the pitching direction of the laser tracking measurement mechanical system. The adjustment mode of the triaxial inside the laser tracking measurement system is designed, and the triaxial of the optical axis, the pitching axis and the revolving axis of the laser tracking measurement mechanical system required by the system is intersected with the sphere center of the standard sphere.
Description
Technical Field
The invention relates to the field of laser measurement, in particular to a laser tracking and measuring mechanical system of a folding light path.
Background
The laser tracking measurement system is a portable three-dimensional coordinate measurement system facing the field, is mainly used for measuring the geometric dimension and the dynamic track of the large size of the space, and is a measurement system which is urgently needed in large-scale scientific engineering and high-end equipment manufacturing. In order to achieve spatial dynamic target tracking and measurement, a laser tracking system is required to accurately detect the relative change in the position of the dynamic target in real time. The measuring beam can always ensure the rapid aiming and tracking of the center of a space moving target, thereby realizing the real-time tracking and accurate measurement of a large-range and long-distance moving target. The laser tracking measurement system mainly comprises a two-dimensional slewing mechanism capable of realizing automatic tracking and an interference length measurement system. The accuracy of the spatial coordinates of the laser tracking measurement system is generally not high because of the large measurement uncertainty caused by the axis misalignment and manufacturing errors in the tracking mirror mechanism of the laser tracking measurement system. Because the angle measurement precision of the laser tracking measurement system is limited, and the measurement uncertainty of the angle is larger along with the increase of the measurement range, the further improvement of the measurement precision of the laser tracking measurement system is limited.
Therefore, the laser tracking measurement mechanical system of the folding light path is necessary to be invented, the influence of errors of a tracking mirror mechanism on measurement precision is avoided, and the precision of laser tracking measurement is improved. Meanwhile, the problems of poor motor motion stability and reduced motor output precision of a pitching shaft system and a rotating shaft system of the system caused by the large weight of an optical measurement system in a laser tracking measurement mechanical system are solved.
Disclosure of Invention
The application of the laser tracking measurement system using a standard ball as a reflecting device with counterweight balance is published in the year 2019, 5 and 29, which is filed by Beijing university of industry: 2019104590072' provides a new design scheme of a laser tracking measurement system, designs a laser tracking measurement system which is added with a counterweight balance and takes a standard ball as a reflecting device, reduces the requirement on the accuracy of a shaft system, and has better measurement accuracy than the traditional laser tracking measurement equipment under the same processing condition and processing cost.
The invention improves the precision fine tuning mode, the internal optical path layout of a laser head, the mass balance of a pitching platform and an overall system and the like on the basis of Chinese invention patent [ CN2019104590072], and provides a design scheme of a laser tracking measurement mechanical system of a folding optical path. Folding the tiled optical path structure, fully utilizing the space height, reducing the space of an optical system, effectively reducing the quality of an optical path carrying platform, shortening the distance between the center of mass of a laser interferometry optical path system and the pitching axis of a mechanical system, reducing the control difficulty of a pitching motor, and enabling the pitching direction of the laser tracking measurement mechanical system to obtain a larger measurement range. The adjustment mode of the triaxial inside the laser tracking measurement system is designed, and the triaxial of the optical axis, the pitching axis and the revolving axis of the laser tracking measurement mechanical system required by the system is intersected with the sphere center of the standard sphere.
The technical scheme adopted by the invention is a laser tracking and measuring mechanical system of a folding light path. The system comprises an optical path carrying platform 1, a pitching motion platform 2, a rotary motion platform 3, a rotary motor module 4 and a system base 5. The rotary motor module 4 is arranged on the system base 5, the rotary motion platform 3 is arranged on the rotary motor module 4, the pitching motor 6 is arranged inside the rotary motion platform, the pitching motion platform is fixedly connected with the pitching motor 6 through screws, and the optical path carrying platform 1 is arranged on the pitching motion platform 2. The sphere center of the standard sphere 7 is arranged at the intersection point of the optical axis, the pitching axis and the revolving axis, and is fixed with the system base 5 through a screw after being connected with the standard sphere fixing column 8 by utilizing the threads of the standard sphere 7.
The internal installation relation of each mechanical structure of the system is as follows:
the optical path carrying platform 1 is composed of an optical platform 9, a laser frame 10, a wave plate frame 11, an optical element base 12, a left reflecting mirror fixing frame 13, a right reflecting mirror fixing frame 14, an optical element side top piece 15, a left position sensitive detector support 19, a right position sensitive detector support 20, a lower position sensitive detector adjusting support 21, an upper position sensitive detector adjusting support 22, a position sensitive detector fine adjusting screw 24, a measuring optical path box 25, a lens holder 26, a laser head pitching fine adjusting frame 27 and an optical fine adjusting screw pair 28.
The laser frame 10 and the left reflector fixing frame 13 are fixed on the left inclined edge of the optical platform 9 through screws, the measuring light path box 25 and the right reflector fixing frame 14 are fixed on the right inclined edge of the optical platform 9 through screws, and the laser frame 10 is symmetrically arranged on the left inclined edge and the right inclined edge of the optical platform 9 through screws. The mirrors are placed on the left mirror fixing frame 13 and the right mirror fixing frame 14, and the V-shaped opening of the optical element side top piece 15 is propped against the right angle of the mirrors until the optical element side top piece 15 is fixed with the left mirror fixing frame 13 and the right mirror fixing frame 14 through screws. The wave plate frame 11, the optical element base 12 and the lens holder 26 are fixed on the horizontal plane of the optical platform 9 through screws, the polarization spectroscope is arranged on the optical element base 12 close to the lens holder 26, and the spectroscope is arranged on the other optical element base 12. The left position sensitive detector support 19 and the right position sensitive detector support 20 are respectively fixed on two sides of the horizontal plane extending end of the optical platform 9 through screws. The position sensitive detector fine adjustment screw 24 is arranged on the side surface of the short side of the left position sensitive detector support 19, and the lower position sensitive detector adjustment bracket 21 is arranged above the left position sensitive detector support 19 and the right position sensitive detector support 20; the other position sensitive detector fine adjustment screw 24 is screwed into the fine thread of the lower position sensitive detector adjustment bracket 21, the upper position sensitive detector adjustment bracket 22 is put on the upper position sensitive detector adjustment bracket 21, and the position sensitive detector is fixed with the upper position sensitive detector adjustment bracket 22 by the screw; the horizontal position of the midpoint of the optical receiving surface of the position sensitive detector is adjusted by rotating the two position sensitive detector fine adjustment screws 24, and after the adjustment is completed, the relative positions of the lower position sensitive detector adjustment support 21 and the upper position sensitive detector adjustment support 22, and the upper position sensitive detector adjustment support 22 and the left position sensitive detector support 19 and the right position sensitive detector support 20 are fixed by the screws. The laser head pitching fine tuning frame 27 is fixed at the tail part of the optical platform 9, and the optical fine tuning screw thread pair 28 is arranged in the laser head pitching fine tuning frame 27.
The pitching platform 2 consists of a spherical center support 29, pitching platform left and right displacement columns 30, pitching platform left and right fine tuning knobs 31, a spherical center support motor connection 32, pitching fine tuning fixing plates 33 and a shell frame connection 34. The pitching platform left and right fine tuning knob 31 is installed in a threaded hole on the side surface of the pitching platform left and right displacement column 30, the pitching platform left and right displacement column 30 is fixedly connected with the spherical center support 29 through bolts, and the spherical center support 29 and the spherical center support motor are connected 32 and are jointly fixed with the pitching motor 6 through bolts. The pitch trimming fixing plate 33 is clamped between the shell frame connection 34 and the center support 29, the pitch trimming fixing plate 33 and the shell frame connection 34 are fixed by screws. The installed optical path carrying platform 1 is placed on the pitching motion platform 2, and the extending part of the pitching fine adjustment fixing plate 33 is connected with the laser head pitching fine adjustment frame 27 in the optical path carrying platform 1 through screws.
The rotary motion platform 3 consists of a rotary flange 35, a pitching motor mounting frame 36, a plastic elastic support 37 and a motor wire fixing frame 38. The pitching motor mounting frame 36 is fixedly connected with the rotary flange 35 through screws, and the plastic elastic support 37 is fixed on the pitching motor mounting frame 36, and the pitching motor 6 is fixed on the pitching motor mounting frame 36, and the plastic elastic support 37 is supported at the shaft shoulder of the pitching motor 6. The motor wire holder 38 is mounted on the swivel flange 35 for organizing the wires led out of the upper half of the holder system.
The rotary motor module 4 is composed of a rotary motor 39, a rotary motor fixing upper plate 40, a rotary motor fixing side plate 41, a rotary motor fixing bottom plate 42 and a limit trigger module 43. The swing motor 39 is fixedly connected with the swing motor fixing upper plate 40 by screws, and the swing motor fixing side plate 41 is fixedly connected with the swing motor fixing upper plate 40 and the swing motor fixing bottom plate 42 by screws. The limit trigger module 43 is fixed on one of the rotary motor fixing side plates 41.
The adjustment method that the triaxial of the optical axis, the pitching axis and the revolving axis of the laser tracking measurement mechanical system of the folded optical path is intersected with the sphere center of the standard sphere is as follows:
an auxiliary fine adjustment device 44 for the motor shaft is designed to assist in adjusting the pitch and yaw axes.
The adjustment mode of the rotating shaft is as follows:
4 motor shaft auxiliary fine adjustment devices 44 are circumferentially uniformly distributed on the system base 5. The end face of the screw of the motor shaft auxiliary fine adjustment device 44 is in contact with the rotary motor module 4, and the two-way fine adjustment of the rotary shaft of the system is realized by rotating the 4 motor shaft auxiliary fine adjustment devices 44. After the position of the rotating shaft is determined, the relative position of the rotating motor module 4 and the system base 5 is fixed through screws.
The pitch axis adjustment related structure is located in the rotary motion platform. By mounting 3 motor shaft auxiliary trimmers 44 on the outer circumference of the pitch motor mount 36. The end faces of the screws of the three motor shaft auxiliary fine adjustment devices 44 are in contact with the pitching motor 6. Wherein ① and ③ auxiliary fine tuning devices can realize fine tuning of the horizontal direction of the pitching axis. ② The motor shaft auxiliary fine adjustment device 44 and the plastic elastic support 37 jointly realize fine adjustment of the pitching motor in the vertical direction. After the pitch axis position is determined, the relative positions of the pitch motor 6 and the pitch motor mounting bracket 36 are fixed by screws.
The optical axis adjustment related structure is located in the optical path mounting platform 1 and the pitching platform 2. The distance in the horizontal direction of the optical axis is adjusted by rotating the pitch platform left and right fine adjustment knob 31 in the pitch motion platform 2. The distance in the direction perpendicular to the optical axis is adjusted by rotating the optical fine adjustment screw pair 28 in the optical path mounting stage 1. After the optical axis position is determined, the relative positions of the optical path carrying platform 1 and the pitching motion platform 2 are fixed through the positions of the laser head pitching fine adjustment frame 27 and the pitching fine adjustment fixing plate 33.
Drawings
Fig. 1 is a schematic diagram of a laser tracking measurement machine system.
Fig. 2 is a schematic view of the optical path mounting platform.
Fig. 3 is a schematic view of pitch motion platform, yaw motion platform, and pitch axis adjustment.
Fig. 4 is a schematic diagram of a rotary motor module and a rotary shaft adjustment platform.
Fig. 5 is a schematic view of optical axis adjustment.
In the figure: the optical path sensor comprises a 1-optical path carrying platform, a 2-pitching motion platform, a 3-rotating motion platform, a 4-rotating motor module, a 5-system base, a 6-pitching motor, a 7-standard ball, an 8-standard ball fixing column, a 9-optical platform, a 10-laser frame, a 11-wave plate frame, a 12-optical element base, a 13-left reflector fixing frame, a 14-right reflector fixing frame, a 15-optical element side top piece, a 19-left position sensitive detector support, a 20-right position sensitive detector support, a 21-lower position sensitive detector adjusting support, a 22-upper position sensitive detector adjusting support, a 24-position sensitive detector trimming screw, a 25-measuring optical path box, a 26-lens frame, a 27-laser head pitching trimming frame, a 28-optical trimming screw pair, a 29-ball center support, a 30-pitching platform left and right displacement column, a 31-pitching platform left and right trimming nut, a 32-ball center supporting motor connection, a 33-trimming fixing plate, a 34-housing frame connection, a 35-rotating flange, a 36-pitching motor, a 37-plastic support, a 38-motor wire, a 38-motor rotating motor line, a 39-motor rotating motor line, a 40-fixing plate, a 40-rotating trigger motor fixing plate, a 40-rotating side plate, a 41-rotating side plate, a 43-rotating trigger fixing device, a 43 and a rotating device.
Detailed Description
The invention is described in further detail below with reference to the drawings and detailed description. However, it should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
As shown in fig. 1, the invention is composed of an optical path carrying platform 1, a pitching motion platform 2, a revolving motion platform 3, a revolving motor module 4, a system base 5, a pitching motor 6 and a standard ball 7.
As shown in fig. 2, the optical path mounting platform 1 is composed of an optical platform 9, a laser beam frame 10, a wave plate frame 11, an optical element base 12, a left mirror fixing frame 13, a right mirror fixing frame 14, an optical element side top member 15, a left position sensitive detector support 19, a right position sensitive detector support 20, a lower position sensitive detector adjustment bracket 21, an upper position sensitive detector adjustment bracket 22, a position sensitive detector fine adjustment screw 24, a measuring optical path box 25, a lens holder 26, a laser head pitch fine adjustment bracket 27, and an optical fine adjustment screw pair 28. The laser frame 10 and the left reflector fixing frame 13 are fixed on the left inclined edge of the optical platform 9 through screws, the measuring light path box 25 and the right reflector fixing frame 14 are fixed on the right inclined edge of the optical platform 9 through screws, and the laser frame 10 is symmetrically arranged on the left inclined edge and the right inclined edge of the optical platform 9 through screws. The mirrors are placed on the left mirror fixing frame 13 and the right mirror fixing frame 14, and the V-shaped opening of the optical element side top piece 15 is propped against the right angle of the mirrors until the optical element side top piece 15 is fixed with the left mirror fixing frame 13 and the right mirror fixing frame 14 through screws. The wave plate frame 11, the optical element base 12 and the lens holder 26 are fixed on the horizontal plane of the optical platform 9 through screws, the polarization spectroscope is arranged on the optical element base 12 close to the lens holder 26, and the spectroscope is arranged on the other optical element base 12. The left position sensitive detector support 19 and the right position sensitive detector support 20 are respectively fixed on two sides of the horizontal plane extending end of the optical platform 9 through screws. The position sensitive detector fine adjustment screw 24 is arranged on the side surface of the short side of the left position sensitive detector support 19, and the lower position sensitive detector adjustment bracket 21 is arranged above the left position sensitive detector support 19 and the right position sensitive detector support 20; the other position sensitive detector fine adjustment screw 24 is screwed into the fine thread of the lower position sensitive detector adjustment bracket 21, the upper position sensitive detector adjustment bracket 22 is put on the upper position sensitive detector adjustment bracket 21, and the position sensitive detector is fixed with the upper position sensitive detector adjustment bracket 22 by the screw; the horizontal position of the midpoint of the optical receiving surface of the position sensitive detector is adjusted by rotating the two position sensitive detector fine adjustment screws 24, and after the adjustment is completed, the relative positions of the lower position sensitive detector adjustment support 21 and the upper position sensitive detector adjustment support 22, and the upper position sensitive detector adjustment support 22 and the left position sensitive detector support 19 and the right position sensitive detector support 20 are fixed by the screws. The laser head pitching fine tuning frame 27 is fixed at the tail part of the optical platform 9, and the optical fine tuning screw thread pair 28 is arranged in the laser head pitching fine tuning frame 27.
As shown in fig. 3, the pitching platform 2 is composed of a center support 29, a pitching platform left and right displacement column 30, a pitching platform left and right fine adjustment knob 31, a center support motor connection 32, a pitching fine adjustment fixing plate 33 and a housing frame connection 34. The pitching platform left and right fine tuning knob 31 is installed in a threaded hole on the side surface of the pitching platform left and right displacement column 30, the pitching platform left and right displacement column 30 is fixedly connected with the spherical center support 29 through bolts, and the spherical center support 29 and the spherical center support motor are connected 32 and are jointly fixed with the pitching motor 6 through bolts. The pitch trimming fixing plate 33 is clamped between the shell frame connection 34 and the center support 29, the pitch trimming fixing plate 33 and the shell frame connection 34 are fixed by screws. The installed optical path carrying platform 1 is placed on the pitching motion platform 2, and the extending part of the pitching fine adjustment fixing plate 33 is connected with the laser head pitching fine adjustment frame 27 in the optical path carrying platform 1 through screws.
As shown in fig. 3, the rotary motion platform 3 is composed of a rotary flange 35, a pitching motor mounting bracket 36, a plastic elastic support 37 and a motor wire fixing bracket 38. The pitching motor mounting frame 36 is fixedly connected with the rotary flange 35 through screws, and the plastic elastic support 37 is fixed on the pitching motor mounting frame 36, and the pitching motor 6 is fixed on the pitching motor mounting frame 36, and the plastic elastic support 37 is supported at the shaft shoulder of the pitching motor 6. The motor wire holder 38 is mounted on the swivel flange 35 for organizing the wires led out of the upper half of the holder system.
As shown in fig. 4, the swing motor module 4 is composed of a swing motor 39, a swing motor fixing upper plate 40, a swing motor fixing side plate 41, a swing motor fixing bottom plate 42, and a limit trigger module 43. The swing motor 39 is fixedly connected with the swing motor fixing upper plate 40 by screws, and the swing motor fixing side plate 41 is fixedly connected with the swing motor fixing upper plate 40 and the swing motor fixing bottom plate 42 by screws. The limit trigger module 43 is fixed on one of the rotary motor fixing side plates 41.
The pitch axis adjustment method is shown in fig. 3. By mounting 3 motor shaft auxiliary trimmers 44 on the outer circumference of the pitch motor mount 36. The end faces of the screws of the three motor shaft auxiliary fine adjustment devices 44 are in contact with the pitching motor 6. Wherein ① and ③ auxiliary fine tuning devices can realize fine tuning of the horizontal direction of the pitching axis. ② The motor shaft auxiliary fine adjustment device 44 and the plastic elastic support 37 jointly realize fine adjustment of the pitching motor in the vertical direction. After the pitch axis position is determined, the relative positions of the pitch motor 6 and the pitch motor mounting bracket 36 are fixed by screws.
The method of adjusting the pivot axis is shown in fig. 4. The rotation axis is adjusted as follows. 4 motor shaft auxiliary fine adjustment devices 44 are circumferentially uniformly distributed on the system base 5. The end face of the screw of the motor shaft auxiliary fine adjustment device 44 is in contact with the rotary motor module 4, and the two-way fine adjustment of the rotary shaft of the system is realized by rotating the 4 motor shaft auxiliary fine adjustment devices 44. After the position of the rotating shaft is determined, the relative position of the rotating motor module 4 and the system base 5 is fixed through screws.
The optical axis adjustment method is shown in fig. 5. The distance in the horizontal direction of the optical axis is adjusted by rotating the pitch platform left and right fine adjustment knob 31 in the pitch motion platform 2. The distance in the direction perpendicular to the optical axis is adjusted by rotating the optical fine adjustment screw pair 28 in the optical path mounting stage 1. After the optical axis position is determined, the relative positions of the optical path carrying platform 1 and the pitching motion platform 2 are fixed through the positions of the laser head pitching fine adjustment frame 27 and the pitching fine adjustment fixing plate 33.
The motion mode of the laser tracking and measuring mechanical system in the invention is as follows: the pitching motion of the pitching motion platform 2 is driven by a pitching motor 6, and the horizontal rotary motion of the optical path carrying platform 1, the pitching motion platform 2 and the rotary motion platform 3 is driven by a rotary motor.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, and various modifications to the embodiments will be apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A laser tracking measurement mechanical system of folding light path is characterized in that: the device comprises an optical path carrying platform (1), a pitching motion platform (2), a rotary motion platform (3), a rotary motor module (4) and a system base (5); the rotary motor module (4) is arranged on the system base (5), the rotary motion platform (3) is arranged on the rotary motor module (4), the pitching motor (6) is arranged inside the rotary motion platform, the pitching motion platform is fixedly connected with the pitching motor (6) through screws, and the optical path carrying platform (1) is arranged on the pitching motion platform (2); the center of the standard ball (7) is arranged at the intersection point of the optical axis, the pitching axis and the rotating axis, and is fixed with the system base (5) through a screw after being connected with the standard ball fixing column (8) through the threads of the standard ball (7);
The optical path carrying platform (1) consists of an optical platform (9), a laser frame (10), a wave plate frame (11), an optical element base (12), a left reflecting mirror fixing frame (13), a right reflecting mirror fixing frame (14), an optical element side top piece (15), a left position sensitive detector support (19), a right position sensitive detector support (20), a lower position sensitive detector adjusting support (21), an upper position sensitive detector adjusting support (22), a position sensitive detector fine-tuning screw (24), a measuring optical path box (25), a lens holder (26), a laser head pitching fine-tuning frame (27) and an optical fine-tuning screw pair (28); the laser frame (10) and the left reflector fixing frame (13) are fixed on the left inclined edge of the optical platform (9) through screws, the measuring light path box (25) and the right reflector fixing frame (14) are fixed on the right inclined edge of the optical platform (9) through screws, and the laser frame (10) is symmetrically arranged on the left inclined edge and the right inclined edge of the optical platform (9) through screws; the reflector is arranged on a left reflector fixing frame (13) and a right reflector fixing frame (14), and the V-shaped opening of the optical element side top piece (15) is propped against the right angle of the reflector until the optical element side top piece (15) is fixed with the left reflector fixing frame (13) and the right reflector fixing frame (14) through screws; the wave plate frame (11), the optical element base (12) and the lens holder (26) are fixed on the horizontal plane of the optical platform (9) through screws, the polarization spectroscope is arranged on the optical element base (12) close to the lens holder (26), and the spectroscope is arranged on the other optical element base (12); the left position sensitive detector support (19) and the right position sensitive detector support (20) are respectively fixed on two sides of the horizontal plane extending end of the optical platform (9) through screws; the position sensitive detector fine adjustment screw (24) is arranged on the side surface of the short side of the left position sensitive detector support (19), and then the lower position sensitive detector adjustment bracket (21) is arranged above the left position sensitive detector support (19) and the right position sensitive detector support (20); the other position sensitive detector fine adjustment screw (24) is screwed into the fine thread of the lower position sensitive detector adjustment bracket (21), then the upper position sensitive detector adjustment bracket (22) is put on the upper part of the lower position sensitive detector adjustment bracket (21), and the position sensitive detector is fixed with the upper position sensitive detector adjustment bracket (22) by the screw; the horizontal position of the midpoint of the optical receiving surface of the position sensitive detector is adjusted by rotating two fine adjustment screws (24), and after the adjustment is finished, the relative positions of a lower position sensitive detector adjusting bracket (21) and an upper position sensitive detector adjusting bracket (22) and the relative positions of the upper position sensitive detector adjusting bracket (22) and a left position sensitive detector support (19) and a right position sensitive detector support (20) are fixed by the screws; the laser head pitching fine tuning frame (27) is fixed at the tail part of the optical platform (9), and the optical fine tuning screw thread pair (28) is arranged in the laser head pitching fine tuning frame (27).
2. The folded optical path laser tracking measurement mechanical system of claim 1, wherein: the pitching motion platform (2) consists of a spherical center support (29), pitching platform left and right displacement columns (30), pitching platform left and right fine tuning knobs (31), a spherical center support motor connection (32), pitching fine tuning fixing plates (33) and a shell frame connection (34); the pitching platform left and right fine tuning knob (31) is arranged in a threaded hole on the side surface of the pitching platform left and right displacement column (30), the pitching platform left and right displacement column (30) is fixedly connected with the spherical center support (29) through bolts, and the spherical center support (29) and the spherical center support motor are connected (32) and are jointly fixed with the pitching motor (6) through screws; the pitching fine adjustment fixing plate (33) is clamped in the shell frame connection (34) and the sphere center support (29), and three parts of the sphere center support (29), the pitching fine adjustment fixing plate (33) and the shell frame connection (34) are fixed by using screws; the installed light path carrying platform (1) is arranged on the pitching motion platform (2), and the extending part of the pitching fine adjustment fixing plate (33) is connected with the laser head pitching fine adjustment frame (27) in the light path carrying platform (1) through screws.
3. The folded optical path laser tracking measurement mechanical system of claim 1, wherein: the rotary motion platform (3) consists of a rotary flange (35), a pitching motor mounting frame (36), a plastic elastic support (37) and a motor wire fixing frame (38); the pitching motor mounting frame (36) is fixedly connected with the rotary flange (35) through screws, the plastic elastic support (37) is fixed on the pitching motor mounting frame (36), the pitching motor (6) is fixed on the pitching motor mounting frame (36), and the plastic elastic support (37) is supported at the shaft shoulder of the pitching motor (6); the motor wire fixing frame (38) is arranged on the rotary flange (35) and is used for arranging and fixing cables led out from the upper half part of the system.
4. The folded optical path laser tracking measurement mechanical system of claim 1, wherein: the adjustment mode of the rotating shaft is as follows; 4 motor shaft auxiliary fine adjustment devices (44) are circumferentially and uniformly distributed on the system base (5); the end face of a screw of the motor shaft auxiliary fine adjustment device (44) is in contact with the rotary motor module (4), and the two-way fine adjustment of the system rotary shaft is realized by rotating the 4 motor shaft auxiliary fine adjustment devices (44); after the position of the rotating shaft is determined, the relative position of the rotating motor module (4) and the system base (5) is fixed through screws.
5. A folded light path laser tracking measurement machine system as defined in claim 3 wherein: the pitching axis adjustment related structure is positioned in the rotary motion platform; three motor shaft auxiliary fine adjustment devices (44) are arranged on the outer circumference of the pitching motor mounting frame (36); the end faces of the screws of the three motor shaft auxiliary fine adjustment devices (44) are contacted with the pitching motor (6); wherein the first motor shaft auxiliary fine adjustment device (44) and the third motor shaft auxiliary fine adjustment device (44) realize fine adjustment of the pitching axis in the horizontal direction; the second motor shaft auxiliary fine adjustment device (44) and the plastic elastic support (37) jointly realize fine adjustment of the pitching motor in the vertical direction; after the position of the pitching axis is determined, the relative position of the pitching motor (6) and the pitching motor mounting frame (36) is fixed through screws.
6. The folded optical path laser tracking measurement mechanical system of claim 2, wherein: the optical axis adjustment related structure is positioned in the optical path carrying platform (1) and the pitching motion platform (2); the distance in the horizontal direction of the optical axis is adjusted by rotating a left fine tuning knob and a right fine tuning knob (31) of a pitching platform in the pitching motion platform (2); the distance in the vertical direction of the optical axis is adjusted by an optical fine adjustment screw pair (28) in the rotary optical path carrying platform (1); after the optical axis position is determined, the relative positions of the optical path carrying platform (1) and the pitching motion platform (2) are fixed through the positions of the laser head pitching fine adjustment frame (27) and the pitching fine adjustment fixing plate (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191793.4A CN114459354B (en) | 2022-02-28 | 2022-02-28 | Laser tracking and measuring mechanical system for folding light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191793.4A CN114459354B (en) | 2022-02-28 | 2022-02-28 | Laser tracking and measuring mechanical system for folding light path |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114459354A CN114459354A (en) | 2022-05-10 |
| CN114459354B true CN114459354B (en) | 2024-05-28 |
Family
ID=81415999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210191793.4A Active CN114459354B (en) | 2022-02-28 | 2022-02-28 | Laser tracking and measuring mechanical system for folding light path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114459354B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737734A (en) * | 2016-02-23 | 2016-07-06 | 北京工业大学 | Laser tacking measurement system taking standard ball as reflecting device |
| CN110186373A (en) * | 2019-05-29 | 2019-08-30 | 北京工业大学 | It is a kind of be added to counterweight balance using standard ball as the laser tracking measurement system of reflection unit |
| CN110597300A (en) * | 2019-05-29 | 2019-12-20 | 北京工业大学 | Counterweight calculation method for pitching module of laser tracking measurement system |
| CN112797924A (en) * | 2021-02-09 | 2021-05-14 | 中国工程物理研究院机械制造工艺研究所 | Orthogonal rotating shaft measuring device of laser tracking measuring system and measuring method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1750085B1 (en) * | 2005-07-26 | 2013-07-31 | Mitutoyo Corporation | Laser tracking interferometer |
-
2022
- 2022-02-28 CN CN202210191793.4A patent/CN114459354B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737734A (en) * | 2016-02-23 | 2016-07-06 | 北京工业大学 | Laser tacking measurement system taking standard ball as reflecting device |
| CN110186373A (en) * | 2019-05-29 | 2019-08-30 | 北京工业大学 | It is a kind of be added to counterweight balance using standard ball as the laser tracking measurement system of reflection unit |
| CN110597300A (en) * | 2019-05-29 | 2019-12-20 | 北京工业大学 | Counterweight calculation method for pitching module of laser tracking measurement system |
| CN112797924A (en) * | 2021-02-09 | 2021-05-14 | 中国工程物理研究院机械制造工艺研究所 | Orthogonal rotating shaft measuring device of laser tracking measuring system and measuring method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 激光追踪测量系统机械结构动力学建模方法;李长亮 等;《测控技术》;第95-101页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114459354A (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107607041B (en) | One kind being used for six geometric error measuring devices of turntable | |
| CN110230999B (en) | Five-degree-of-freedom error synchronous measurement device and method for linear motion system | |
| CA1307663C (en) | Opto-electronic angle measurement system | |
| CN107942473A (en) | A kind of fast mirror | |
| CN108801294B (en) | Multi-optical-axis parallelism adjusting method for spatial rotation multi-optical-axis system | |
| CN112596258B (en) | Debugging method for two-dimensional turntable folded optical assembly | |
| CN113917669B (en) | Off-axis reflection type telescopic system and installation and adjustment detection device and method thereof | |
| CN114415389A (en) | Optical-mechanical system adjustment method with multiple reflectors | |
| CN113031296A (en) | Method for assembling and adjusting metal-based free-form surface three-reflection optical system capable of being assembled and adjusted quickly | |
| CN114459354B (en) | Laser tracking and measuring mechanical system for folding light path | |
| CN110186373B (en) | Laser tracking measurement system with counterweight balance and standard ball as reflection device | |
| CN111998775B (en) | Device for high-precision real-time measurement of moving sliding table posture | |
| CN111443450B (en) | Precise optical lens frame capable of adjusting azimuth angle of laser beam | |
| CN109974587B (en) | Geometric error compensation method for laser tracker | |
| CN210488104U (en) | Compact reflector adjusting device for plumb aligner calibrating device | |
| CN114858096B (en) | Horizontal light path transfer goniometer and measuring method | |
| CN109551520B (en) | High-efficiency six-degree-of-freedom parallel robot precision testing device | |
| CN112179348B (en) | Lightweight laser scanning mechanism for photoelectric sensing positioning network | |
| CN206057559U (en) | Unmanned plane with calibrating installation | |
| CN114952427B (en) | Self-adaptive high-precision measuring device for gesture of super-long rotary arm of milling machine | |
| CN216694823U (en) | Passive laser tracker for precision measurement | |
| CN220854117U (en) | Optical path rotation center detection device | |
| CN115047221A (en) | Jiong-shaped long probe device with good stability at tail end | |
| CN208636425U (en) | A kind of host of electro-optic radar round the clock | |
| CN214065978U (en) | Air-in-air non-contact type optical one-way transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |