CN112032521A - Truss supporting structure - Google Patents
Truss supporting structure Download PDFInfo
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- CN112032521A CN112032521A CN202010871807.8A CN202010871807A CN112032521A CN 112032521 A CN112032521 A CN 112032521A CN 202010871807 A CN202010871807 A CN 202010871807A CN 112032521 A CN112032521 A CN 112032521A
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- adjusting
- mounting flange
- support rod
- rear end
- adjusting support
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- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 230000000712 assembly Effects 0.000 claims abstract description 13
- 238000000429 assembly Methods 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 20
- 238000003754 machining Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
- F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
Abstract
The invention discloses a truss support structure. Compared with an optical camera supporting structure, the structure has the advantages of low processing cost, low processing precision requirement, good installation and adjustment performance, good universality and the like. The structure comprises a front end mounting flange, a rear end mounting flange, an adjusting support rod assembly, a front end fixed base and a rear end fixed base; the front surface of the front end mounting flange is used for connecting an external optical device, and N front end fixing bases are arranged on the rear surface of the front end mounting flange along the circumferential direction; n rear end fixing bases are arranged on the front surface of the rear end mounting flange along the circumferential direction, and the rear surface of the rear end mounting flange is used for connecting an external optical device; the front end fixing base and the rear end fixing base are both provided with two spherical grooves; the number of the adjusting support rod assemblies is 2N, and two ends of each adjusting support rod assembly are provided with ball heads; one end of the adjusting supporting rod component is arranged in the spherical groove of the front end fixing base through a ball head, and the other end of the adjusting supporting rod component is arranged in the spherical groove of the rear end fixing base through a ball head.
Description
Technical Field
The invention belongs to the technical field of optical imaging, and particularly relates to a truss supporting structure.
Background
Along with the gradual popularization of the application of the optical camera with large visual field, long focal length and high resolution, the size of the lens of the optical camera and the interval between each component are gradually increased, and the current supporting mode of the camera main body mainly comprises a casting box type support and a flat plate bracket type support;
the casting box type support specifically comprises the steps that a primary structure of a support box body is determined through a casting, and the accuracy of the installation position of each camera component is guaranteed through local finish machining;
the flat plate bracket type support is characterized in that all parts of a camera are arranged on a bracket, and then the bracket is arranged on a bottom plate one by one according to the design size requirement;
the above two methods have the following disadvantages:
firstly, the processing cost is high, including the secondary finish machining cost of the die opening of the casting is high;
secondly, the requirement on the machining precision is higher;
the assembly and adjustment performance is poor, the assembly precision is generally guaranteed by depending on the machining precision whether the casting box type support or the flat plate bracket type support is adopted, and the assembly and adjustment range of reserved assembly and adjustment personnel is small;
and fourthly, the universality is poor, the two support modes are the proprietary designs of the cameras aiming at specific design parameters, and the cameras with different design parameters cannot share the support structure.
Disclosure of Invention
The invention provides a truss support structure, which aims to solve the problems of high processing cost, high processing precision requirement, poor assembly and adjustment performance and poor universality of the conventional optical camera support structure with a large view field, a long focal length and high resolution.
The technical scheme of the invention is as follows:
the invention provides a truss supporting structure which comprises a front end mounting flange, a rear end mounting flange, an adjusting support rod assembly, a front end fixed base and a rear end fixed base, wherein the front end mounting flange is arranged on the front end of the truss supporting structure;
the front end mounting flange and the rear end mounting flange are both provided with central light through holes;
the front surface of the front end mounting flange is provided with a mounting hole for connecting an external optical device, and N front end fixing bases are arranged on the rear surface of the front end mounting flange along the circumferential direction;
n rear end fixing bases are arranged on the front surface of the rear end mounting flange along the circumferential direction, and mounting holes for connecting external optical devices are formed in the rear surface of the rear end mounting flange;
all the front end fixed bases and all the rear end fixed bases are arranged in a staggered mode along the circumferential direction; the front end fixing base and the rear end fixing base are both provided with two spherical grooves;
the number of the adjusting support rod assemblies is 2N, and two ends of each adjusting support rod assembly are provided with ball heads; one end of the adjusting support rod assembly is arranged in the spherical groove of the front end fixing base through a ball head, and the other end of the adjusting support rod assembly is arranged in the spherical groove of the rear end fixing base through a ball head; every two adjacent adjusting support rod assemblies are in a splayed shape, wherein N is more than or equal to 3.
Further, adjustment of the distance and relative amount of tilt may be made for the external optics mounted on the front mounting flange and the external optics mounted on the rear mounting flange; the adjusting support rod assembly comprises an adjusting support rod front section, an adjusting screw rod, an adjusting support rod rear section and a locking threaded sleeve;
the front end of the front section of the adjusting support rod is a ball head, and the rear end of the front section of the adjusting support rod is in threaded connection with the front end of the adjusting screw rod; the rear end of the rear section of the adjusting support rod is a ball head, and the front end of the rear section of the adjusting support rod is in threaded connection with the rear end of the adjusting screw rod;
the screw thread used for adjusting the matching of the front section of the support rod and the adjusting screw rod is opposite to the screw thread used for adjusting the matching of the rear section of the support rod and the adjusting screw rod in the rotating direction;
the outer wall of the rear end of the front section of the adjusting support rod is provided with a locking external thread;
the front end of the rear section of the adjusting strut is provided with an annular stop boss;
the locking screw sleeve comprises a large-diameter section and a small-diameter section; the small-diameter section of the locking screw sleeve is slidably sleeved on the rear section of the adjusting support rod, and the large-diameter section of the locking screw sleeve is provided with a locking internal thread matched with the locking external thread.
Furthermore, the middle part of the adjusting screw is polygonal, so that the adjusting screw can be conveniently used when a wrench is used for adjusting the length.
Furthermore, in order to facilitate assembly and ensure the matching precision of the ball head and the spherical groove, the front end fixing base is of a split structure and comprises a supporting block, a pressing block and a pressing screw;
two first hemispherical grooves are formed in the supporting block, and two second hemispherical grooves are formed in the pressing block;
the pressing block is arranged on the supporting block through a pressing screw, and after the pressing block is matched with the supporting block, the two first hemispherical grooves and the two second hemispherical grooves are matched to form two spherical grooves;
the rear end fixed base and the front end fixed base are the same in structure.
Further, the first hemispherical groove and the second hemispherical groove are formed by combined machining.
Further, in order to enable the truss support structure to have universality, the front surface of the front end mounting flange is connected with an external optical device through a first adapter flange; the rear surface of the rear end mounting flange is connected with an external optical device through a second adapter flange.
Furthermore, in order to realize the connection with the external support member, the truss support structure further comprises a fixing plate, the fixing plate is respectively connected with the outer edges of the front end mounting flange and the rear end mounting flange, and a connecting hole in butt joint with the external support structure is formed in the fixing plate.
Furthermore, in order to realize light weight design, a plurality of lightening holes are respectively arranged on the front end mounting flange and the rear end mounting flange.
Compared with the prior art, the invention has the beneficial effects that:
1. the truss support structure comprises a front end mounting flange, a rear end mounting flange, an adjusting support rod assembly and a fixed base, wherein the front end mounting flange and the rear end mounting flange are provided with mounting holes connected with external optical devices, and the first adapter flange and the second adapter flange can be connected through the mounting holes so as to be suitable for the external optical devices with different sizes.
2. The adjusting support rod assembly is composed of an adjusting support rod front section, an adjusting support rod rear section, an adjusting screw rod and a locking screw sleeve, the length of the adjusting support rod is adjustable by rotating the adjusting screw rod, so that the distance and the relative inclination of the front optical system on the front end mounting flange and the imaging assembly mounted on the rear end mounting flange can be adjusted, and the adjusting support rod assembly can be suitable for supporting and adjusting a non-coaxial optical system.
3. Compared with the conventional casting box type supporting structure and the conventional plate bracket type supporting structure, the truss supporting structure has the advantages of low processing cost, small processing difficulty, good installation and adjustment performance, strong universality and the like.
Drawings
Fig. 1 is a schematic view of a support truss body.
FIG. 2 is a schematic view of an adjusting strut assembly.
Fig. 3 is a schematic view of a front end mount or a rear end mount.
Description of reference numerals:
1-front end mounting flange and 2-rear end mounting flange;
3-adjusting a support rod assembly, 31-adjusting a front section of a support rod, 32-adjusting a rear section of the support rod, 33-adjusting screws, 34-locking thread sleeves, 35-locking external threads and 36-annular stop bosses;
4-fixing a base at the front end, 41-a supporting block 42-a pressing block and 43-a locking screw;
5-fixing a base at the rear end, 6-a central light through hole and 7-a spherical groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides a specific structure of a truss support structure, and the truss support structure in the embodiment is applied to a spectrometer and comprises a front end mounting flange 1, a rear end mounting flange 2, an adjusting support rod assembly 3, a front end fixed base 4 and a rear end fixed base 5 as shown in fig. 1;
the front end mounting flange 1 and the rear end mounting flange 2 are both provided with a central light through hole 6;
the front surface of the front end mounting flange 1 is used for mounting a front optical system of a spectrometer, 4 front end fixed bases 4 are mounted on the surface of the front end mounting flange 1 along the circumferential direction, and the number of the front end fixed bases 4 can be adjusted according to actual requirements but is not less than three;
4 rear end fixing bases 5 are arranged on the front surface of the rear end mounting flange 2 along the circumferential direction, and the rear surface of the rear end mounting flange 5 is used for connecting an imaging assembly of a spectrometer; the rear end fixing bases 5 can be adjusted according to actual requirements, but the number of the rear end fixing bases is not less than three;
all the front end fixed bases 4 and all the rear end fixed bases 5 are arranged in a staggered mode along the circumferential direction; the description is as follows: the staggered arrangement is actually that when all the front end fixed bases and all the rear end fixed bases are projected onto a plane, a rear end fixed base is arranged between every two adjacent front end fixed bases;
the front end fixed base 4 and the rear end fixed base 5 are both provided with two spherical grooves 7;
the number of the adjusting support rod assemblies 3 is 8, and ball heads are arranged at two ends of each adjusting support rod assembly 3; one end of the adjusting support rod component 3 is arranged in any one spherical groove 7 of the front end fixing base 4 through a ball head, and the other end of the adjusting support rod component 3 is arranged in any one spherical groove 7 of the rear end fixing base 5 through the ball head; every two adjacent adjusting support rod assemblies 3 are in a splayed shape, wherein N is more than or equal to 3. Because the adjusting support rod assembly 3 is connected with the front fixing base and the rear fixing base through the ball head and the ball head groove, the front end mounting flange 1 and the rear end mounting flange 2 have certain adjusting amount and can be used for compensating errors caused by machining and assembling, and the front end mounting flange and the rear end mounting flange can be suitable for mounting and using front optical systems and imaging assemblies of different sizes through the adapter plate.
Example 2
The structure of the adjusting rod in this embodiment is the same as that in embodiment 1 except for the structure of the adjusting rod, and the detailed description of the structure of the adjusting rod is focused here: as shown in fig. 2, the adjusting strut assembly 3 includes an adjusting strut front section 31, an adjusting screw 33, an adjusting strut rear section 32 and a locking screw sleeve 34;
the front end of the front section 31 of the adjusting support rod is a ball head, and the rear end of the front section 31 of the adjusting support rod is in threaded connection with the front end of the adjusting screw rod 33; the rear end of the adjusting support rod rear section 32 is a ball head, and the front end of the adjusting support rod rear section 32 is in threaded connection with the rear end of the adjusting screw rod 33; the screw thread for adjusting the matching of the front section 31 of the strut and the adjusting screw rod 33 is opposite to the screw thread for adjusting the matching of the rear section 32 of the strut and the adjusting screw rod 33; (in this embodiment, the direction of the screw thread for adjusting the front section of the strut to match with the adjusting screw is right-handed, and the screw thread for adjusting the rear section of the strut to match with the adjusting screw is left-handed) the purpose of this design is: the front section of the adjusting support rod and the rear section of the adjusting support rod can simultaneously move inwards or simultaneously move outwards by rotating the adjusting screw rod forwards and backwards, so that the length of the adjusting support rod is adjusted;
furthermore, the outer wall of the rear end of the front section 31 of the adjusting support rod is provided with a locking external thread 35; the front end of the adjusting strut rear section 32 is provided with an annular stop boss 36; the locking nut 34 includes a large-diameter section and a small-diameter section; the small-diameter section of the locking thread insert 34 is slidably sleeved on the rear section 32 of the adjusting support rod, and the large-diameter section of the locking thread insert 34 is provided with a locking internal thread matched with the locking external thread 35. After the length adjustment of the adjusting screw rod is completed, the locking internal thread of the large-diameter section of the locking screw sleeve is matched with the locking external thread of the front section of the adjusting support rod, and the limiting effect of the annular locking boss enables the length of the adjusting support rod after adjustment to be invariable all the time. Make the length of adjusting the fulcrum bar adjustable through rotatory adjusting screw to make leading optical system on the front end mounting flange and install the formation of image subassembly on the mounting flange of rear end can carry out the support and the adjustment of the applicable non-coaxial optical system of regulation of distance and relative slope volume, repair with the tradition and cut the pad adjustment mode and compare, need not to process alone and repair and cut the pad and carry out angular adjustment, reduced component complexity and processing cost, shortened the installation and debugging cycle simultaneously.
In the embodiment, in order to facilitate the length adjustment, the middle part of the adjusting screw 33 is hexagonal prism, which facilitates the adjustment by using a wrench.
Example 3
On the basis of embodiment 2, in order to facilitate assembly and ensure the fitting accuracy of the ball head and the spherical groove, the embodiment further optimizes the design of the front fixing base 4 and the rear fixing base 5, the rear fixing base has the same structure as the front fixing base, here, the front fixing base is taken as an example, and as shown in fig. 3, the front fixing base 4 is a split structure and comprises a supporting block 41, a pressing block 42 and a locking screw 43; the supporting block 41 is connected with the pressing block 42 through a locking screw 43, two first hemispherical grooves are formed in the supporting block 41, and two second hemispherical grooves are formed in the pressing block 42; after the pressing block 41 and the supporting block 42 are matched, the first hemispherical groove and the second hemispherical groove form a spherical groove 7 for matching with the ball head, and the first hemispherical groove and the second hemispherical groove are formed by combining and processing the supporting block 41 and the pressing block 42.
On the basis of the above three embodiments,
in order to realize universality, external optical devices with different sizes can be supported and connected through the truss support structure, and the front surface of the front-end mounting flange is connected with the external optical devices through the first adapter flange; the rear surface of the rear end mounting flange is connected with an external optical device through a second adapter flange.
In order to facilitate the installation of the assembled spectrometer on the external support, in this embodiment, at least one fixing plate is further connected to the outer edges of the front end mounting flange and the rear end mounting flange, and the fixing plate is provided with a connecting hole in butt joint with the external support structure.
In order to achieve a light weight design, a plurality of lightening holes 8 are formed in the front end mounting flange 1 and the rear end mounting flange 2 of the present embodiment, as shown in fig. 1.
Based on the above description of the structure of each embodiment of the truss support structure, a specific assembly process of the structure of embodiment 3 is described, and the specific implementation process is as follows:
the method comprises the following steps: the front sections of the eight adjusting support rods are connected with the rear sections of the adjusting support rods through adjusting screws, and the lengths of the eight adjusting support rods are basically kept consistent by rotating the adjusting screws;
step two: the four supporting blocks are uniformly distributed and fixed on the front end mounting flange 1 through screws. And then, ball heads at one ends of the eight adjusting support rod assemblies are respectively arranged in eight first hemispherical grooves on the four supporting blocks on the front-end mounting flange, and the four pressing blocks are arranged on the supporting block 41 of the fixed base through locking screws, so that four fixed bases are formed before being matched with the adjusting support rod assemblies through the ball heads and the spherical grooves. Because the ball head of the adjusting support rod component is in minimum clearance fit with the spherical groove of the front fixing base, the adjusting support rod component only has rotation freedom and no relative displacement freedom relative to the front fixing base.
Step three: the eight locking screw sleeves are respectively sleeved on the rear sections of the adjusting support rods of the eight adjusting support rod assemblies, and the other four support blocks are uniformly distributed and fixed on a rear-end mounting flange through screws; and the ball heads at the other ends of the eight adjusting support rod assemblies are respectively arranged in eight first hemispherical grooves on the four supporting blocks on the mounting flange at the rear end, and the other four pressing blocks are arranged on the four supporting blocks through locking screws, so that four fixing bases which are respectively matched with the 8 adjusting support rod assemblies through the ball heads and the spherical grooves are formed.
Step four: and adjusting the relative position and angle of the front end mounting flange and the rear end mounting flange according to the design requirement of the spectrometer. The specific adjustment mode is as follows:
firstly, placing a front-end mounting flange on a stable platform surface (the stable platform surface is always kept horizontal to the ground);
secondly, placing the digital level meter on a rear end mounting flange to monitor the inclination amount of the digital level meter;
then, the adjusting screw rod of the corresponding adjusting support rod assembly is rotated through a wrench so as to change the length of the adjusting support rod assembly, and the numerical value of the digital level meter is monitored in real time in the adjusting process until the numerical value of the digital level meter is the design value, so that the adjustment is completed; and finally, the front section of the adjusting support rod and the rear section 32 of the adjusting support rod are fastened by screwing the locking screw sleeve, so that the length of the adjusting support rod assembly is ensured to be unchanged.
The truss support structure is assembled through the steps, and then the front-end optical system and the imaging assembly are respectively installed on the front-end installation flange and the rear-end installation flange.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A truss support structure, comprising: the adjusting support rod adjusting mechanism comprises a front end mounting flange, a rear end mounting flange, an adjusting support rod assembly, a front end fixed base and a rear end fixed base;
the front end mounting flange and the rear end mounting flange are both provided with central light through holes;
the front surface of the front end mounting flange is used for connecting an external optical device, and N front end fixing bases are arranged on the rear surface of the front end mounting flange along the circumferential direction;
n rear end fixing bases are arranged on the front surface of the rear end mounting flange along the circumferential direction, and the rear surface of the rear end mounting flange is used for connecting an external optical device;
all the front end fixed bases and all the rear end fixed bases are arranged in a staggered mode along the circumferential direction; the front end fixing base and the rear end fixing base are both provided with two spherical grooves;
the number of the adjusting support rod assemblies is 2N, and two ends of each adjusting support rod assembly are provided with ball heads; one end of the adjusting support rod assembly is arranged in the spherical groove of the front end fixing base through a ball head, and the other end of the adjusting support rod assembly is arranged in the spherical groove of the rear end fixing base through a ball head; every two adjacent adjusting support rod assemblies are in a splayed shape, wherein N is more than or equal to 3.
2. The truss support structure of claim 1, wherein: the adjusting support rod assembly comprises an adjusting support rod front section, an adjusting screw rod, an adjusting support rod rear section and a locking threaded sleeve;
the front end of the front section of the adjusting support rod is a ball head, and the rear end of the front section of the adjusting support rod is in threaded connection with the front end of the adjusting screw rod; the rear end of the rear section of the adjusting support rod is a ball head, and the front end of the rear section of the adjusting support rod is in threaded connection with the rear end of the adjusting screw rod;
the screw thread used for adjusting the matching of the front section of the support rod and the adjusting screw rod is opposite to the screw thread used for adjusting the matching of the rear section of the support rod and the adjusting screw rod in the rotating direction;
the outer wall of the rear end of the front section of the adjusting support rod is provided with a locking external thread;
the front end of the rear section of the adjusting strut is provided with an annular stop boss;
the locking screw sleeve comprises a large-diameter section and a small-diameter section; the small-diameter section of the locking screw sleeve is slidably sleeved on the rear section of the adjusting support rod, and the large-diameter section of the locking screw sleeve is provided with a locking internal thread matched with the locking external thread.
3. The truss support structure of claim 2, wherein: the middle part of the adjusting screw rod is in a polygon prism shape.
4. The truss support structure of any of claims 1-3, wherein: the front end fixing base is of a split structure and comprises a supporting block, a pressing block and a pressing screw;
two first hemispherical grooves are formed in the supporting block, and two second hemispherical grooves are formed in the pressing block;
the pressing block is arranged on the supporting block through a pressing screw, and after the pressing block is matched with the supporting block, the two first hemispherical grooves and the two second hemispherical grooves are matched to form two spherical grooves;
the rear end fixed base and the front end fixed base are the same in structure.
5. The truss support structure of claim 4, wherein: the first hemispherical groove and the second hemispherical groove are formed by combined machining.
6. The truss support structure of claim 5, wherein: the front surface of the front end mounting flange is connected with an external optical device through a first adapter flange; the rear surface of the rear end mounting flange is connected with an external optical device through a second adapter flange.
7. The truss support structure of claim 6, wherein: the fixing plate is also included; the fixing plate is connected with the outer edges of the front end mounting flange and the rear end mounting flange respectively, and a connecting hole in butt joint with an external supporting structure is formed in the fixing plate.
8. The truss support structure of claim 7, wherein: and the front end mounting flange and the rear end mounting flange are respectively provided with a plurality of lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871807.8A CN112032521A (en) | 2020-08-26 | 2020-08-26 | Truss supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010871807.8A CN112032521A (en) | 2020-08-26 | 2020-08-26 | Truss supporting structure |
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| CN112032521A true CN112032521A (en) | 2020-12-04 |
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| CN202010871807.8A Pending CN112032521A (en) | 2020-08-26 | 2020-08-26 | Truss supporting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112630923A (en) * | 2020-12-07 | 2021-04-09 | 中国科学院上海光学精密机械研究所 | Spatial filter end lens pose locking device and method |
| CN112965324A (en) * | 2021-03-24 | 2021-06-15 | 中国科学院西安光学精密机械研究所 | Carbon fiber truss body assembling and adjusting device and process based on gluing error compensation |
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