CN220506356U - Bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment - Google Patents
Bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment Download PDFInfo
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- CN220506356U CN220506356U CN202321540690.0U CN202321540690U CN220506356U CN 220506356 U CN220506356 U CN 220506356U CN 202321540690 U CN202321540690 U CN 202321540690U CN 220506356 U CN220506356 U CN 220506356U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses a bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment, which comprises a bowl-type adjusting table, an adjusting chassis, a disc-type adjusting table, eight fine adjusting screws and eight fine adjusting guide nuts: four adjusting nut blocks are arranged below the bowl-shaped adjusting table, grooves corresponding to the adjusting nut blocks are formed in the adjusting chassis, the adjusting chassis is arranged below the bowl-shaped adjusting table, and the bottom of the bowl-shaped adjusting table is contacted with the disc-shaped adjusting table to form a rotating pair; eight fine tuning guide nuts are arranged in eight holes uniformly distributed on the peripheral surface of the disc-shaped adjusting table, and eight fine tuning screws are arranged in the eight fine tuning guide nuts; the inner side ends of the four centrosymmetric fine tuning screws are correspondingly contacted with the outer side ends of the four adjusting nut blocks, and the inner side ends of the other four centrosymmetric fine tuning screws are contacted with the outer circumferential surface of the truncated cone of the adjusting chassis; the diameter of the upper end of the cone frustum is larger than that of the lower end of the cone frustum; the outer end of the adjusting nut block forms an inclined plane, and the inclined plane is the same as the inclined direction of the outer peripheral surface of the truncated cone. The utility model can realize four-dimensional high-precision adjustment.
Description
Technical Field
The utility model relates to the technical field of optical angle measurement equipment, in particular to a bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measurement equipment.
Background
In the field of ultra-high precision measurement, the requirements of ultra-high precision angle measurement on free-form surface detection, ultra-high precision weak force measurement and the like are urgent, and particularly in the mHz frequency band, the precision of the measured angle is about 1 order of magnitude lower than that of high frequency (10 Hz), and the precision is more difficult to improve. The autocollimator utilizes the optical autocollimation principle, emits parallel light through a telescope, returns the parallel light fed back by a measured target to the telescope to form an image on a target surface, and measures an image distance through a photoelectric detector to obtain high-precision angle information.
When the auto-collimator is adopted for measurement, a measured piece or a piece to be measured is required to be placed on a platform capable of adjusting levelness, the levelness is guaranteed to meet the requirements through platform adjustment, namely, the measured piece is obtained in an eyepiece view field of the auto-collimator through adjustment, as shown in 202211244446.X, a rotary platform is connected with the horizontal adjustment platform through a rotating shaft assembly, a bottom plate is arranged below the horizontal adjustment platform, three horizontal adjustment screws are arranged between the horizontal adjustment platform and the bottom plate, three bottom plates are arranged at the bottom of the bottom plate and used for stabilizing and supporting the bottom plate, the horizontal adjustment plate is adjusted on the bottom plate through the three horizontal adjustment screws, and when the horizontal adjustment plate is adjusted, the rotary platform is connected with the horizontal adjustment platform through the rotating shaft assembly, so that the rotary platform and the horizontal adjustment platform synchronously act, and because of the arrangement of the rotating shaft assembly, the rotary platform can rotate and adjust in a rotating mode when measuring on different planes, and the operation is convenient. Although the current workpiece positioning platform can meet the corresponding requirement on the measurement precision, the adjusting structure is not very convenient to manually operate and can reach the corresponding adjustment precision, and further improvement is needed.
Disclosure of Invention
The utility model aims at solving the problems in the prior art and provides a bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment.
The utility model is realized in such a way that a bowl-disk type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment comprises a bowl-type adjusting table, an adjusting chassis, a disk-type adjusting table, eight fine adjusting screws and eight fine adjusting guide nuts: four adjusting nut blocks are arranged below the bowl-shaped adjusting table, grooves corresponding to the adjusting nut blocks are formed in the upper surface of the adjusting chassis, the adjusting chassis is located below the bowl-shaped adjusting table, and the bottom of the bowl-shaped adjusting table is contacted with the disc-shaped adjusting table to form a rotating pair; the disc-shaped adjusting table is of an annular structure, eight fine adjusting guide nuts are correspondingly arranged in eight through holes uniformly arranged on the peripheral surface of the disc-shaped adjusting table, and eight fine adjusting screws are correspondingly arranged in the eight fine adjusting guide nuts; the inner side ends of the four centrally symmetrical fine tuning screws are correspondingly contacted with the outer side ends of the four adjusting nut blocks, and the inner side ends of the other four centrally symmetrical fine tuning screws are contacted with the outer circumferential surface of the truncated cone of the adjusting chassis; the diameter of the upper end of the cone frustum is larger than that of the lower end of the cone frustum; and an inclined plane is formed at the outer side end of the adjusting nut block, and the inclined plane is opposite to the inclined direction of the outer peripheral surface of the cone frustum.
Wherein, the outer end of fine setting screw is detachably connected with fine setting handle.
The outer end of the fine adjustment screw rod is provided with an external thread, the fine adjustment handle is provided with an internal thread, and the fine adjustment screw rod is in threaded connection with the fine adjustment handle.
Wherein, the adjusting nut block is fixed with the bowl-shaped adjusting table through vertically arranged screws.
The adjusting chassis comprises a circular bottom plate, the upper surface of the circular bottom plate is provided with the cone frustum, the cone frustum and the bottom plate are coaxially arranged, the maximum diameter of the cone frustum is smaller than the diameter of the circular bottom plate, and the groove is formed on the peripheral surface of the cone frustum.
The bottom of the round main body of the bowl-shaped adjusting table, which is used for being connected with a workpiece to be measured, is provided with a conical table in a downward protruding mode, the adjusting nut block is arranged on the lower surface of the conical table, the diameter of the upper end of the conical table is larger than that of the lower end of the conical table, and the diameter of the upper end of the conical table is smaller than that of the round main body of the bowl-shaped adjusting table, so that a step-shaped structure is formed.
Wherein the inner side end of the fine adjustment screw rod is a spherical top end.
The positions of eight through holes correspondingly arranged on the inner annular surface of the disc-shaped adjusting table form a platform structure and are lower than the inner annular surfaces on two sides.
The disc-shaped adjusting table comprises a disc-shaped adjusting table body, wherein annular step structures with low inner sides and high outer sides are formed at two ends of the disc-shaped adjusting table body, and the annular step structures are formed between the upper ends of the inner annular surface and the upper ends of the outer annular surface.
And the adjusting chassis and the bowl-shaped adjusting table are connected through bolts.
According to the bowl-disc type four-dimensional high-precision adjusting structure for the precise optical angle measuring equipment, eight fine adjusting screws are arranged, so that four-dimensional high-precision adjustment can be realized, and the measuring requirement of the precise optical angle measuring equipment is met.
Drawings
Fig. 1 is an exploded view of a bowl and dish type four-dimensional high-precision adjusting structure according to an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of an adjustment chassis according to an embodiment of the present utility model.
Fig. 3 is a schematic front view of a bowl-shaped adjusting table according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a disc-shaped adjusting table according to an embodiment of the present utility model.
Fig. 5 is an exploded view of a bowl and dish type four-dimensional high-precision adjusting structure according to another embodiment of the present utility model.
Fig. 6 is a schematic view of the structure of the bowl-shaped adjusting table according to the embodiment of the utility model after the adjusting nut block is installed.
Fig. 7 is an overall structure outline view of the bowl and disk type four-dimensional high-precision adjusting structure after assembly molding according to the embodiment of the utility model.
Fig. 8 and fig. 9 are schematic diagrams of adjusting directions of a bowl and disc type four-dimensional high-precision adjusting structure according to an embodiment of the utility model.
Reference numerals:
1 is a bowl-shaped adjusting table, 2 is an adjusting nut block, 3 is an adjusting chassis, 4 is a disc-shaped adjusting table, 5 is a fine adjusting screw, 6 is a fine adjusting handle, and 7 is a fine adjusting guide nut.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.
Referring to the drawings, the utility model provides a bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment, which comprises a bowl-type adjusting table 1, an adjusting chassis 3, a disc-type adjusting table 4, eight fine adjusting screws 5 and eight fine adjusting guide nuts 7: four adjusting nut blocks 2 are arranged below the bowl-shaped adjusting table, grooves 34 corresponding to the adjusting nut blocks are formed in the upper surface of the adjusting chassis, the adjusting chassis 3 is located below the bowl-shaped adjusting table 1, and the bottom of the bowl-shaped adjusting table 1 is contacted with the disc-shaped adjusting table 4 to form a rotating pair; the disc-shaped adjusting table 4 is of an annular structure, eight fine adjusting guide nuts 7 are correspondingly arranged in eight through holes 41 uniformly distributed on the peripheral surface of the disc-shaped adjusting table 4, and eight fine adjusting screws 5 are correspondingly arranged in the eight fine adjusting guide nuts 7; the inner side ends of the four centrally symmetrical fine tuning screws 5 are correspondingly contacted with the outer side ends 22 of the four adjusting nut blocks 2, and the inner side ends of the other four centrally symmetrical fine tuning screws 5 are contacted with the outer circumferential surface 33 of the truncated cone 32 of the adjusting chassis 3; the diameter of the upper end 35 of the cone frustum 32 is larger than that of the lower end 36; the outer end 22 of the adjustment nut block 2 forms an inclined surface opposite to the inclined direction of the outer circumferential surface of the truncated cone.
In this application, bowl formula adjustment platform 1 is made by stainless steel material, and whole appearance is circular for the support and the adjustment of piece that awaits measuring, and its top has the installation screw hole, and convenient bolted connection with external equipment, its bottom have bowl formula structure or be called conical platform's structure for contact with disk formula adjustment platform 4, form a revolute pair, can realize the angle fine setting of bowl formula adjustment platform. In this application, the adjusting nut block 2 is made of stainless steel material, and its outer side end 22 is provided with an oblique angle, so that the adjusting nut block is convenient to be adjusted by matching with a fine adjusting screw.
In some embodiments, the outer end of the fine tuning screw 5 is detachably connected with a fine tuning handle 6, preferably, the outer end of the fine tuning screw 5 has an external thread, the fine tuning handle 6 has an internal thread, and the fine tuning screw is in threaded connection with the fine tuning handle.
In some embodiments, the adjusting nut block 2 is provided with two screw through holes 21, and is fixed with the bowl-shaped adjusting table 1 by two screws which are vertically arranged.
In some embodiments, the adjusting chassis 3 includes a circular bottom plate 31, the circular bottom plate is provided with the truncated cone 32 on the upper surface, the truncated cone is coaxially arranged with the circular bottom plate, the maximum diameter of the truncated cone 32 is smaller than the diameter of the circular bottom plate 31, and the groove 34 is formed on the peripheral surface of the truncated cone 32.
In some embodiments, a conical table 11 is convexly arranged at the bottom of the circular main body 14 of the bowl-shaped adjusting table 1 for connecting with a workpiece to be measured, the adjusting nut block 2 is arranged on the lower surface of the conical table, the diameter of the upper end 13 of the conical table is larger than that of the lower end 12, the diameter of the upper end of the conical table 11 is smaller than that of the circular main body 14 of the bowl-shaped adjusting table, and the conical table is similar to a bowl-shaped structure, so that a step-shaped structure is formed.
In some embodiments, the inner end of the fine adjustment screw 5 is a spherical top end, so that adjustment is convenient.
In some embodiments, the whole disc-shaped adjusting table 1 is circular, made of stainless steel, and has eight mounting through holes 42 with fine tuning guide nuts on the periphery, the positions of the eight mounting through holes 42 correspondingly arranged on the inner ring surface form a platform structure 42 and are lower than the inner ring surfaces 43 on two sides, two ends of the disc-shaped adjusting table 1 form an annular step structure 44 with low inner side and high outer side, the annular step structure 44 is formed between the upper end of the inner ring surface and the upper end of the outer ring surface, and the annular step structure contacts with the bowl-shaped bottom or the conical table of the bowl-shaped adjusting table 1 through the annular step structure designed in the inner part to form a rotating pair, so that adjustment is facilitated.
In some embodiments, the adjusting chassis 3 and the bowl-shaped adjusting table 1 are formed with connection via holes, so that the adjusting chassis and the bowl-shaped adjusting table are connected through bolts, and the overall shape of the adjusting chassis is circular.
In some embodiments of the present utility model, the fine adjustment screw 5 is made of stainless steel, the fine adjustment handle 6 is made of high-strength aluminum alloy, the outer part is designed by thread knurling, friction force is increased, the fine adjustment guide nut 7 is convenient to screw by hand, the inner part is designed with fine pitch thread design, and finer fine adjustment can be provided.
When the fine adjustment guide nut 7 is used for assembly, the fine adjustment guide nut 7 is screwed in the disc-shaped adjustment table 4 in advance, the fine adjustment screw 5 and the fine adjustment handle are mutually fixed with jackscrews through threads 6 to form an integral structure, the integral structure is screwed in the fine adjustment guide nut 7, the bowl-shaped adjustment table 1 and the adjustment nut block 2 are fixed through screws, then the adjustment nut block and the groove structure on the adjustment chassis 3 are correspondingly installed, and then the adjustment nut block and the adjustment nut block are installed on the disc-shaped adjustment table 4 together, and the adjustment chassis 3 is positioned on the inner side of the disc-shaped adjustment table 4. The inner sides of the step structures of the bowl-shaped structure of the bowl-shaped adjusting table or the annular structures of the conical table and the disc-shaped adjusting table are fully contacted with each other. The spherical ends of the eight fine adjustment screws are respectively contacted with the outer side surfaces of the adjusting nut block and the adjusting chassis, so that the four fine adjustment screws propped against the adjusting nut block can realize pitching adjustment, and the four fine adjustment screws propped against the adjusting chassis can realize translational adjustment, thereby realizing a micro manual adjusting device in a precise measuring structure and achieving the purpose of precise measurement.
It can be seen that the bowl-disk type four-dimensional high-precision adjusting structure for the precise optical angle measuring equipment can realize four-dimensional high-precision adjustment by arranging eight fine adjusting screws so as to meet the measurement requirement of the precise optical angle measuring equipment.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A bowl dish formula four-dimensional high accuracy adjustment structure for accurate optics angle measurement equipment, its characterized in that includes a bowl formula adjustment platform, an adjustment chassis, a disk formula adjustment platform, eight fine setting screw rods and eight fine setting guide nut: four adjusting nut blocks are arranged below the bowl-shaped adjusting table, grooves corresponding to the adjusting nut blocks are formed in the upper surface of the adjusting chassis, the adjusting chassis is located below the bowl-shaped adjusting table, and the bottom of the bowl-shaped adjusting table is contacted with the disc-shaped adjusting table to form a rotating pair; the disc-shaped adjusting table is of an annular structure, eight fine adjusting guide nuts are correspondingly arranged in eight through holes uniformly arranged on the peripheral surface of the disc-shaped adjusting table, and eight fine adjusting screws are correspondingly arranged in the eight fine adjusting guide nuts; the inner side ends of the four centrally symmetrical fine tuning screws are correspondingly contacted with the outer side ends of the four adjusting nut blocks, and the inner side ends of the other four centrally symmetrical fine tuning screws are contacted with the outer circumferential surface of the truncated cone of the adjusting chassis; the diameter of the upper end of the cone frustum is larger than that of the lower end of the cone frustum; and an inclined plane is formed at the outer side end of the adjusting nut block, and the inclined plane is opposite to the inclined direction of the outer peripheral surface of the cone frustum.
2. The bowl and dish type four-dimensional high-precision adjusting structure for a precision optical angle measuring device according to claim 1, wherein the outer end of the fine adjusting screw is detachably connected with a fine adjusting handle.
3. The bowl and dish type four-dimensional high precision adjusting structure for a precision optical angle measuring device according to claim 2, wherein the outer end of the fine adjustment screw has an external thread, the fine adjustment handle has an internal thread, and the fine adjustment screw is screw-coupled with the fine adjustment handle.
4. The bowl and dish type four-dimensional high precision adjusting structure for precision optical angle measuring equipment according to claim 1, wherein the adjusting nut block and the bowl type adjusting table are fixed by vertically arranged screws.
5. The bowl and dish type four-dimensional high precision adjusting structure for precision optical angle measuring equipment according to claim 1, wherein the adjusting chassis comprises a circular base plate, the circular base plate is provided with the circular truncated cone on its upper surface, the circular truncated cone is arranged coaxially with the base plate, the maximum diameter of the circular truncated cone is smaller than the diameter of the circular base plate, and the groove is formed on the peripheral surface of the circular truncated cone.
6. The four-dimensional high-precision adjusting structure for a bowl and dish type precision optical angle measuring device according to claim 1, wherein a conical table is formed to be convex downwards at the bottom of a circular main body of the bowl type adjusting table for being connected with a workpiece to be measured, the adjusting nut block is arranged on the lower surface of the conical table, the diameter of the upper end of the conical table is larger than that of the lower end of the conical table, and the diameter of the upper end of the conical table is smaller than that of the circular main body of the bowl type adjusting table, so that a stepped structure is formed.
7. The bowl and dish type four-dimensional high-precision adjusting structure for a precision optical angle measuring device according to claim 1, wherein the inner side end of the fine adjusting screw is a spherical top end.
8. The bowl-and-disc type four-dimensional high-precision adjusting structure for a precision optical angle measuring device according to claim 1, wherein the positions of eight through holes correspondingly arranged on the inner annular surface of the disc-shaped adjusting table form a platform structure and are lower than the inner annular surfaces on two sides.
9. The four-dimensional high-precision adjusting structure for a bowl and dish type precision optical angle measuring instrument according to claim 8, wherein both ends of the disc-shaped adjusting table form an annular step structure with a low inner side and a high outer side, and the annular step structure is formed between an upper end of the inner annular surface and an upper end of the outer annular surface.
10. The four-dimensional high-precision adjusting structure for a bowl-and-disc type precision optical angle measuring instrument according to claim 1, wherein the adjusting chassis and the bowl-type adjusting table are formed with connecting through holes for connecting the adjusting chassis and the bowl-type adjusting table by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540690.0U CN220506356U (en) | 2023-06-16 | 2023-06-16 | Bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540690.0U CN220506356U (en) | 2023-06-16 | 2023-06-16 | Bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220506356U true CN220506356U (en) | 2024-02-20 |
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ID=89878133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321540690.0U Active CN220506356U (en) | 2023-06-16 | 2023-06-16 | Bowl-disc type four-dimensional high-precision adjusting structure for precision optical angle measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220506356U (en) |
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2023
- 2023-06-16 CN CN202321540690.0U patent/CN220506356U/en active Active
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