CN218819419U - Multi freedom calibration frock - Google Patents
Multi freedom calibration frock Download PDFInfo
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- CN218819419U CN218819419U CN202223292780.0U CN202223292780U CN218819419U CN 218819419 U CN218819419 U CN 218819419U CN 202223292780 U CN202223292780 U CN 202223292780U CN 218819419 U CN218819419 U CN 218819419U
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Abstract
The utility model belongs to the technical field of surveying and mapping equipment leveling, and particularly discloses a multi-degree-of-freedom calibration tool, which comprises a bearing mounting plate and a support plate; the top of the bearing mounting plate is provided with a transfer plate for fixing a surveying instrument; the bottom of the bearing mounting plate is rotatably connected with the supporting plate through a bearing; the bottom of the supporting plate is provided with an adjusting plate which is used for being fixed with an external supporting device; the adjusting plate is connected with the supporting plate through an adjusting screw; the support plate is characterized in that a pull rod is arranged at the central position of the support plate, the top of the pull rod is in key connection with the support plate, and the bottom of the pull rod penetrates through the adjusting plate and is in threaded connection with a hand wheel. The utility model discloses an adjusting screw carries out preliminary leveling to the backup pad, then carries out the high accuracy calibration through adjusting gear to the bearing mounting panel, guarantees that the precision equipment on the keysets is in the horizontality, uses in fields such as survey and drawing, scanning and has improved the survey and drawing precision.
Description
Technical Field
The utility model belongs to the technical field of the surveying and mapping equipment leveling, in particular to multi freedom calibration frock.
Background
When using surveying equipment, in order to guarantee the survey and drawing precision, need guarantee that surveying equipment is in the horizontality, generally adopt the A-frame to support surveying equipment among the prior art, guarantee the surveying equipment level through adjusting the A-frame.
When the triangular support is adjusted, the height of the three support legs is adjusted to be matched with the level gauge to finish leveling, and when the level is adjusted through the height of the support legs, the height of one support leg is changed to influence the overall level degree of the triangular support. When the existing part of a triangular support is leveled, only a single degree of freedom is adopted for calibration, so that the leveling process is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect that adopts the single degree of freedom leveling process complicated among the prior art, provide a multi freedom calibration frock.
The utility model provides a multi-degree-of-freedom calibration tool, which comprises a bearing mounting plate and a support plate;
the top of the bearing mounting plate is provided with a transfer plate for fixing a surveying instrument; the bottom of the bearing mounting plate is rotatably connected with the supporting plate through a bearing;
the bottom of the supporting plate is provided with an adjusting plate which is used for being fixed with an external supporting device; the adjusting plate is connected with the supporting plate through an adjusting screw;
a pull rod is arranged at the central position of the supporting plate, the top of the pull rod is in key connection with the supporting plate, and the bottom of the pull rod penetrates through the adjusting plate and is in threaded connection with a hand wheel;
a fixing plate is arranged on one side of the bearing, an adjusting gear is arranged on the fixing plate, an adjusting rod is arranged at the bottom of the adjusting gear, and the bottom of the adjusting rod penetrates through the fixing plate and is in clearance fit connection with the fixing plate;
an arc gear is arranged on the outer side of the bearing mounting plate and is in meshed connection with the adjusting gear.
The arc gear is positioned at the lower edge of the bearing mounting plate and is fixedly connected with the outer wall of the bearing mounting plate;
the fixing plate is also provided with a first bracket for supporting the locking assembly;
the locking assembly comprises a locking rod and a locking block; one end of the locking rod penetrates through the first support and is in threaded connection with the first support, and the other end of the locking rod is fixedly connected with the locking block;
in a locking state, the locking block is abutted against the upper edge of the bearing mounting plate;
the fixing plate is further provided with a second bracket for mounting a spring;
a Y-shaped ejector rod is arranged in the spring, and upper teeth and lower teeth of the Y-shaped ejector rod are respectively clamped at the top and the bottom of the adjusting gear;
a strip-shaped hole is formed in the fixing plate, and the adjusting rod penetrates through the strip-shaped hole.
The supporting plate and the adjusting plate are triangular structural plates;
adjusting spaciousness areas are arranged at the three vertex angles of the supporting plate, and each adjusting spaciousness area is an adjusting groove and two adjusting round tables;
the top of the adjusting screw is abutted against the adjusting groove or the adjusting circular truncated cone.
The further proposal is that a ball head is arranged at the top of the adjusting screw, and the ball head and the adjusting screw are integrally formed; the ball head is abutted against the adjusting groove or the adjusting circular truncated cone.
A plurality of spirit level mounting grooves are formed in the upper surface of the bearing mounting plate, and spirit levels are mounted inside the spirit level mounting grooves.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses an adjusting screw carries out preliminary leveling to the backup pad, then carries out the high accuracy calibration through adjusting gear to the bearing mounting panel, guarantees that the mapping equipment on the keysets is in the horizontality, has improved the mapping precision.
The utility model discloses a backup pad bottom has set up three regulation spaciousness district, is an adjustment tank and two regulation round platforms respectively, at preliminary leveling in-process, can make the bulb at adjusting screw top slide or at regulation round platform internal rotation in the adjustment tank, play quick leveling's effect.
The utility model discloses a locking device can guarantee that the keysets after the calibration remains stable, can guarantee through the combined action of spring and Y shape ejector pin that adjusting gear keeps meshing with curved gear, can be taut with backup pad and adjusting plate through rotatory hand wheel, has further improved the stability of frock.
Drawings
The following drawings are merely illustrative of and explanatory of the invention and are not intended to limit the scope of the invention, wherein:
FIG. 1: the utility model discloses a first visual angle structure schematic diagram;
FIG. 2: the utility model has a second view angle structure diagram;
FIG. 3: the mounting positions of the fixing plate and the bearing are schematically shown;
FIG. 4 is a schematic view of: a schematic structural diagram of the supporting plate;
FIG. 5: a schematic structural diagram of the fixing plate;
in the figure: 1. an adapter plate; 2. a bearing mounting plate; 2.1, mounting a level meter groove; 3. a bearing; 4. a support plate; 4.1, adjusting a groove; 4.2, adjusting the round table; 5. an adjustment plate; 6. a fixing plate; 6.1, strip-shaped holes; 7. an arc gear; 8. adjusting a rod; 9. an adjusting gear; 10. a second bracket; 11. a spring; 12. a locking lever; 13. a locking head; 14. adjusting the screw; 15. a pull rod; 16. a handwheel.
Detailed Description
In order to make the objects, technical solutions, design methods, and advantages of the present invention more clear, the present invention will be further described in detail by the following embodiments with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Like fig. 1 and fig. 2 the utility model provides a multi freedom calibration frock has set gradually parts such as keysets 1, bearing mounting panel 2, bearing 3, backup pad 4, adjusting plate 5, adjusting screw 14, hand wheel 16, locking device, pusher gear from last to down. The top of the bearing mounting plate 2 is provided with an adapter plate 1 for fixing a surveying instrument; the upper surface of the bearing mounting plate 2 is provided with a plurality of level meter mounting grooves 2.1, and level meters are mounted in the level meter mounting grooves 2.1; the bottom of the bearing mounting plate 2 is rotationally connected with a support plate 4 through a bearing 3; the bottom of the supporting plate 4 is provided with an adjusting plate 5 which is used for being fixed with an external supporting device; the adjusting plate 5 is connected with the supporting plate 4 through an adjusting screw 14; a pull rod 15 is arranged at the center of the supporting plate 4, the top of the pull rod 15 is in key connection with the supporting plate 4, the bottom of the pull rod 15 penetrates through the adjusting plate 5 and is in threaded connection with a hand wheel 16, and the supporting plate 4 and the adjusting plate 5 can be axially tensioned by rotating the hand wheel 16; a fixing plate 6 is arranged on one side of the bearing 3, an adjusting gear 9 is arranged on the fixing plate 6, an adjusting rod 8 is arranged at the bottom of the adjusting gear 9, and the bottom of the adjusting rod 8 penetrates through the fixing plate 6 and is in clearance fit connection with the fixing plate 6; an arc gear 7 is arranged on the lower edge of the outer side of the bearing mounting plate 2, and the arc gear 7 is fixedly connected with the outer wall of the bearing mounting plate 2; the arc gear 7 is meshed with the adjusting gear 9. The adjusting gear 9 is driven to rotate by rotating the adjusting rod 8, and the adjusting gear 9 drives the arc gear 7 to rotate, so that the bearing mounting plate 2 is adjusted.
As shown in fig. 5, in the above, the fixing plate 6 is further provided with a first bracket for supporting the locking assembly; the locking assembly comprises a locking rod 12 and a locking block 13; one end of the locking rod 12 penetrates through the first support and is in threaded connection with the first support, and the other end of the locking rod 12 is fixedly connected with the locking block 13; in a locking state, the locking block 13 is abutted against the upper edge of the bearing mounting plate 2; the fixed plate 6 is also provided with a second bracket 10 for mounting a spring 11; a Y-shaped ejector rod is arranged in the spring 11, and upper teeth and lower teeth of the Y-shaped ejector rod are respectively clamped at the top and the bottom of the adjusting gear 9 and are connected with the adjusting gear 9 through a pin shaft; a strip-shaped hole 6.1 is formed in the fixing plate 6, and the adjusting rod 8 penetrates through the strip-shaped hole 6.1. The adjusting rod 8 is subjected to elastic force in a direction away from the spring, so that the adjusting gear 9 is meshed with the arc-shaped gear 7 more stably.
As shown in fig. 1 and 4, in the present embodiment, the support plate 4 and the adjustment plate 5 are both triangular structural plates; adjusting spaciousness areas are arranged at the three vertex angles of the supporting plate 4, and each adjusting spaciousness area comprises an adjusting groove 4.1 and two adjusting circular truncated cones 4.2; a ball head is arranged at the top of the adjusting screw 14, and the ball head and the adjusting screw 14 are integrally formed; the ball head is abutted against the adjusting groove 4.1 or the adjusting circular truncated cone 4.2. The top of the adjusting screw 14 abutted against the adjusting groove 4.1 can slide back and forth along the adjusting groove 4.1, and the top of the adjusting screw 14 abutted against the adjusting circular truncated cone 4.2 can rotate in the adjusting circular truncated cone 4.2, so that the effect of adjusting the supporting plate 4 is achieved. When the horizontal adjustment is carried out, only one to two adjusting screws need to be adjusted, and meanwhile, the tool can be moved in the radial direction.
In the above, the bearing mounting plate 2, the adapter plate 1, the support plate 4 and the adjusting plate 5 are all provided with a plurality of through holes for reducing the dead weight of the tool.
The utility model discloses when using, it is fixed with adjusting plate 5 and external triangular supports frame, be used for supporting whole frock. The adjusting plate is used for connecting the calibration tool and the triangular supporting frame, the height and the horizontal angle of the adjusting screws can be adjusted, axial small-angle adjustment (0-10 degrees) can be realized through single adjustment, and the three groups of adjusting screws are in tightening fit with the hand wheel and also are used for axially locking the tool. As shown in fig. 3, in this embodiment, the adapter plate is used for placing a surveying instrument, the bearing mounting plate is tightly fitted with the inner circle of the bearing, the gear turntable is provided with an arc-shaped uniform gear which can be rotatably adjusted by 76 degrees, and the span of each tooth is 1.8 degrees. As shown in fig. 3, the adjusting gear is meshed with the arc gear, the straight-line hand wheel is installed at the lower end of the adjusting rod, the straight-line hand wheel is rotated, the adjusting gear drives the arc gear to rotate, if the accuracy of the rotation angle needs to be improved, more gears with more teeth are replaced, and the number of teeth of the gears adopted in the embodiment is 30. The spring can make the gear engagement more reliable, has also reduced unnecessary machining precision.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. The multi-degree-of-freedom calibration tool is characterized by comprising a bearing mounting plate (2) and a support plate (4);
the top of the bearing mounting plate (2) is provided with an adapter plate (1) for fixing a surveying instrument; the bottom of the bearing mounting plate (2) is rotatably connected with the support plate (4) through a bearing (3);
the bottom of the supporting plate (4) is provided with an adjusting plate (5) which is used for being fixed with an external supporting device; the adjusting plate (5) is connected with the supporting plate (4) through an adjusting screw (14);
a pull rod (15) is arranged at the central position of the support plate (4), the top of the pull rod (15) is connected with the support plate (4) in a key mode, and the bottom of the pull rod (15) penetrates through the adjusting plate (5) and is connected with a hand wheel (16) in a threaded mode;
a fixing plate (6) is arranged on one side of the bearing (3), an adjusting gear (9) is arranged on the fixing plate (6), an adjusting rod (8) is arranged at the bottom of the adjusting gear (9), and the bottom of the adjusting rod (8) penetrates through the fixing plate (6) and is in clearance fit connection with the fixing plate (6);
the bearing mounting plate (2) outside is provided with arc gear (7), arc gear (7) with adjusting gear (9) meshing is connected.
2. The multi-degree-of-freedom calibration tool according to claim 1, wherein the arc gear (7) is located at the lower edge of the bearing mounting plate (2) and is fixedly connected with the outer wall of the bearing mounting plate (2);
the fixing plate (6) is also provided with a first bracket for supporting the locking assembly;
the locking assembly comprises a locking rod (12) and a locking block (13); one end of the locking rod (12) penetrates through the first support and is connected with the first support, and the other end of the locking rod (12) is connected with the locking block (13);
in a locking state, the locking block (13) is abutted against the upper edge of the bearing mounting plate (2).
3. The multi-degree-of-freedom calibration tool according to claim 2, wherein a second bracket (10) is further arranged on the fixing plate (6) and used for mounting a spring (11);
a Y-shaped ejector rod is arranged in the spring (11), and upper teeth and lower teeth of the Y-shaped ejector rod are respectively clamped at the top and the bottom of the adjusting gear (9);
a strip-shaped hole (6.1) is formed in the fixing plate (6), and the adjusting rod (8) penetrates through the strip-shaped hole (6.1).
4. The multi-degree-of-freedom calibration tool according to claim 1, wherein the support plate (4) and the adjusting plate (5) are both triangular structural plates;
adjusting spaciousness areas are respectively arranged at the three top corners of the supporting plate (4), and adjusting grooves (4.1) or adjusting round tables (4.2) are respectively arranged in the three adjusting spaciousness areas;
the top of the adjusting screw (14) is abutted against the adjusting groove (4.1) or the adjusting circular truncated cone (4.2).
5. The multi-degree-of-freedom calibration tool according to claim 4, wherein a ball head is arranged at the top of the adjusting screw (14), and the ball head and the adjusting screw (14) are integrally formed; the ball head is abutted against the adjusting groove (4.1) or the adjusting circular truncated cone (4.2).
6. The multi-degree-of-freedom calibration tool according to claim 1, wherein a plurality of level meter mounting grooves (2.1) are formed in the upper surface of the bearing mounting plate (2), and level meters are mounted in the level meter mounting grooves (2.1).
7. The multi-degree-of-freedom calibration tool according to claim 1, wherein the bearing mounting plate (2), the adapter plate (1), the support plate (4) and the adjusting plate (5) are provided with a plurality of through holes for reducing the self weight of the tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223292780.0U CN218819419U (en) | 2022-12-08 | 2022-12-08 | Multi freedom calibration frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223292780.0U CN218819419U (en) | 2022-12-08 | 2022-12-08 | Multi freedom calibration frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218819419U true CN218819419U (en) | 2023-04-07 |
Family
ID=87256787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223292780.0U Active CN218819419U (en) | 2022-12-08 | 2022-12-08 | Multi freedom calibration frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218819419U (en) |
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2022
- 2022-12-08 CN CN202223292780.0U patent/CN218819419U/en active Active
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