CN211930724U - Device for debugging static balance of inner frame of image stabilization platform - Google Patents
Device for debugging static balance of inner frame of image stabilization platform Download PDFInfo
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- CN211930724U CN211930724U CN202020795594.0U CN202020795594U CN211930724U CN 211930724 U CN211930724 U CN 211930724U CN 202020795594 U CN202020795594 U CN 202020795594U CN 211930724 U CN211930724 U CN 211930724U
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Abstract
The utility model discloses a device for debugging the static balance of an inner frame of an image stabilization platform, which is suitable for debugging the static balance of the inner frame of the image stabilization platform, wherein two ends of the inner frame are respectively provided with a shaft and a bearing, and the device comprises a bottom plate and two supporting arms; the supporting arm is arranged on the bottom plate, a C-shaped groove is formed in the upper portion of the supporting arm, a bearing seat is arranged in the groove, a floating connection mode is adopted between the bearing seat and the supporting arm, and a pressing device is further arranged at two ends of the C-shaped groove. The bearing seat is matched with the bearing of the inner frame, and the bearing seat and the bearing of the inner frame form a V-shaped structure. The center of the bottom surface of the bearing seat is also provided with a step-shaped screw hole, a screw penetrates through the screw hole to connect the bearing seat with the supporting arm, a gap is reserved between the screw hole of the bearing seat and the bottom surface of the screw head, and gaps are reserved at the two ends of the inner wall of the bearing seat and the C-shaped groove along the width direction of the bottom plate. The device can ensure that the coaxiality between the assembled device and the frame shaft is naturally realized, the leveling effect is improved, the universality of the device is enhanced, and the leveling efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the steady image platform, concretely relates to a device that is used for steady image platform inside casing static balance to debug.
Background
The stable imaging platform, namely the inside of the stable imaging platform, is in a frame structure motion form. Due to the influence of factors such as part processing and assembly errors, if the correction is not carried out, the mass center of the motion frame of the image stabilization platform can deviate from a rotating shaft, when the shake of carriers such as a missile, an airplane, a ship or a chariot is transmitted to the image stabilization platform, eccentric torque can be caused, the swing of an optical axis of the image stabilization platform, the large torque fluctuation of a frame shaft motor and the instability of an electric signal can be caused, and the working performance of the image stabilization platform is finally influenced, so that the correction of the mass center of the motion frame of the image stabilization platform has the necessity.
Generally, the improvement of the counterweight precision can enable the frame mass center to return to the rotating shaft, improve the stability precision and control the torque storage of the motor, and can also reduce the energy consumption and the volume of the system, thereby being a key technical means for improving the performance of the image stabilization platform.
When the balance weight of the inner frame of the image stabilizing platform is adjusted, one mode is to adjust the balance weight in the assembling process of the inner frame of the image stabilizing platform, the operation space is limited, the balancing efficiency is low, and the interchangeability of the balanced inner frame is poor due to the influence of the processing precision and the assembling error of parts. In addition, a special clamp is used for simulating an image stabilizing platform frame structure to balance weight and level, one special clamp can only simulate the inner frame of the image stabilizing platform with one specification, and the compatibility is poor.
In summary, the debugging efficiency and the leveling effect of the traditional structure are to be improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that proposes among the background art, reach the purpose of "improving static balance debugging efficiency", the utility model provides a device for steady image platform inside casing static balance debugging.
A device for debugging the static balance of an inner frame of an image stabilization platform is suitable for debugging the static balance of the inner frame of the image stabilization platform, wherein two ends of the inner frame are respectively provided with a shaft and a bearing, and the device comprises a bottom plate and two supporting arms sliding along the length direction of the bottom plate;
the supporting arm is arranged on the bottom plate, a C-shaped groove is formed in the upper portion of the supporting arm, a bearing seat is arranged in the groove, a floating connection mode is adopted between the bearing seat and the supporting arm, and a pressing device is further arranged at two ends of the C-shaped groove.
Further, the bearing seat is matched with a bearing of the inner frame, and the matching surface of the bearing seat and the bearing of the inner frame is in a V-shaped structure.
Furthermore, the center of the bottom surface of the bearing seat is also provided with a step-shaped screw hole, a screw penetrates through the screw hole to connect the bearing seat with the supporting arm, a gap is reserved between the screw hole of the bearing seat and the bottom surface of the screw head, and gaps are reserved at two ends of the inner wall of the bearing seat and the C-shaped groove along the width direction of the bottom plate.
Furthermore, a limiting block and a linear guide rail are also arranged on the bottom plate;
the limiting block is in a long strip shape and is arranged along the length direction of the bottom plate, and a plurality of positioning holes are formed in the top surface of the limiting block along the length direction of the limiting block;
the bottom plate is further provided with a linear guide rail along the length direction, the linear guide rail is provided with two sliding blocks sliding along the linear guide rail, each sliding block is fixedly provided with a supporting arm, one side of each supporting arm adjacent to the limiting block is further provided with a positioning pin, and the positioning pins are matched with the positioning holes in the limiting blocks. The fit error of the two sliding blocks in the vertical direction is below 20 mu m.
Furthermore, the pressing device is inverted V-shaped, two ends of the pressing device are fixed at two ends of the C-shaped groove in a threaded mode, a fixing bolt with the downward moving direction is arranged in the center of the top end of the pressing device, and the fixing bolt is finally pressed on a bearing of the inner frame.
Compared with the prior art, the utility model discloses a technical scheme has following beneficial effect:
1. the device can be compatible with inner frames with different spans and shaft lengths by moving the sliding block on the linear guide rail and positioning the sliding block by the positioning pin, and the matching surface of the bearing seat and the bearing adopts a V-shaped structure, so that the device can be compatible with the inner frames with different shaft sizes, the universality of the device is enhanced, and the leveling efficiency is improved;
2. through the inverted V-shaped pressing device, the frame shaft and the bearing are simply connected and fixed, the inner frame of the image stabilizing platform can be quickly assembled and disassembled, and the leveling efficiency is further improved;
3. the static balance debugging device can ensure that the inner frame balancing work is not influenced by the assembly progress of the product, and related work can be carried out in parallel;
4. the bearing frame and the support arm are in floating connection, particularly, the position of the bearing frame is not completely fixed by a screw at the bottom of the bearing frame, a certain gap is reserved, in addition, a gap is reserved between the bearing frame and the inner wall of the C-shaped groove, so that the bearing frame can rotate slightly on the horizontal plane, the matching surface of the bearing frame and the bearing is combined to adopt a V-shaped structure, the coaxiality of the bearing frame and a frame shaft can be naturally realized after assembly, the requirement of high-precision adjustment is met, and the leveling effect can be finally improved.
Drawings
FIG. 1: a device for image stabilization platform inner frame static balance debugging uses the sketch map.
FIG. 2: a schematic diagram of a device for debugging the static balance of an inner frame of an image stabilization platform.
FIG. 3: an enlarged view at a in fig. 2.
In the figure: 1. the device comprises a bottom plate, a limiting block 1.1, a linear guide rail 1.2, a sliding block 1.2.1, a supporting arm 2, a positioning pin 2.1, a bearing seat 2.2, a pressing device 2.3 and an inner frame 3.
Detailed Description
The following description of the embodiments of the present invention is provided with the accompanying drawings, and the purpose of the disclosed embodiments is to explain and explain the present invention, rather than to limit the present invention, and all technical solutions obtained by simple replacement, combination and development on the basis of the present invention should fall into the protection scope of the present invention.
Example one
As shown in fig. 1-3, a device for debugging the static balance of an inner frame of an image stabilization platform is suitable for debugging the static balance of an inner frame 3 of the image stabilization platform, wherein two ends of the inner frame 3 are respectively provided with a shaft and a bearing, and the device comprises a bottom plate 1 and two supporting arms 2;
the bottom plate 1 is also provided with a limiting block 1.1 and a linear guide rail 1.2;
the limiting block 1.1 is in a long strip shape and is arranged along the length direction of the bottom plate 1, and a plurality of positioning holes are formed in the top surface of the limiting block 1.1 along the length direction of the limiting block 1.1;
still be equipped with linear guide 1.2 along length direction on the bottom plate 1, be equipped with two sliders 1.2.1 that slide along linear guide 1.2 on the linear guide 1.2, the cooperation error in the vertical direction of two sliders 1.2.1 is below 20 mu m, all be fixed with a support arm 2 on every slider 1.2.1, support arm 2 still is equipped with locating pin 2.1 with stopper 1.1 adjacent one side, locating pin 2.1 and the locating hole cooperation on the stopper 1.1.
The upper part of the supporting arm 2 is provided with a C-shaped groove, a bearing seat 2.2 is arranged in the groove, a floating connection mode is adopted between the bearing seat 2.2 and the supporting arm 2, and two ends of the C-shaped groove are also provided with a pressing device 2.3.
The bearing seat 2.2 is matched with the bearing of the inner frame 3, and the bearing seat 2.2 and the bearing matching surface of the inner frame 3 form a V-shaped structure. Step-shaped screw holes are formed in the centers of the bottom surfaces of the bearing seats 2.2, screws penetrate through the screw holes to connect the bearing seats 2.2 with the supporting arms 2, gaps are reserved between the screw holes of the bearing seats 2.2 and the bottom surfaces of screw heads, and gaps are reserved at two ends of the inner walls of the bearing seats 2.2 and the C-shaped grooves in the width direction of the bottom plate 1. The bearing seat 2.2 can rotate slightly when being matched with the bearing, and the coaxiality of the bearing seat, the bearing and the shaft is further adjusted.
The pressing device 2.3 is in an inverted V shape, two ends of the pressing device 2.3 are fixed at two ends of the C-shaped groove in a threaded mode, a fixing bolt with the downward moving direction is arranged at the center of the top end of the pressing device 2.3, and the fixing bolt is finally pressed on a bearing of the inner frame 3.
Claims (5)
1. The utility model provides a device for steady image platform inside casing static balance debugging, is applicable to the static balance debugging of steady image platform inner frame (3), and the both ends of inner frame (3) are equipped with axle and bearing, its characterized in that respectively: comprises a bottom plate (1) and two supporting arms (2) sliding along the length direction of the bottom plate (1);
the supporting arm (2) is arranged on the bottom plate (1), a C-shaped groove is formed in the upper portion of the supporting arm (2), a bearing seat (2.2) is arranged in the groove, a floating connection mode is adopted between the bearing seat (2.2) and the supporting arm (2), and a pressing device (2.3) is further erected at two ends of the C-shaped groove.
2. The apparatus of claim 1 for in-frame static balance commissioning of an image stabilization platform, wherein: the bearing seat (2.2) is matched with the bearing of the inner frame (3), and the bearing seat (2.2) and the bearing matching surface of the inner frame (3) form a V-shaped structure.
3. The apparatus of claim 2, wherein the apparatus is adapted for debugging the in-frame static balance of an image-stabilizing platform, and further comprising: step-shaped screw holes are formed in the centers of the bottom surfaces of the bearing seats (2.2), screws penetrate through the screw holes to connect the bearing seats (2.2) with the supporting arms (2), gaps are reserved between the screw holes of the bearing seats (2.2) and the bottom surfaces of screw heads, and gaps are reserved at two ends of the inner walls of the bearing seats (2.2) and the C-shaped grooves in the width direction of the bottom plate (1).
4. The apparatus of claim 3 for in-frame static balance commissioning of an image stabilization platform, wherein: the bottom plate (1) is also provided with a limiting block (1.1) and a linear guide rail (1.2);
the limiting block (1.1) is in a long strip shape and is arranged along the length direction of the bottom plate (1), and a plurality of positioning holes are formed in the top surface of the limiting block (1.1) along the length direction of the limiting block (1.1);
still be equipped with linear guide (1.2) along length direction on bottom plate (1), be equipped with two gliding sliders (1.2.1) of linear guide (1.2) along linear guide (1.2) on linear guide (1.2), all be fixed with one support arm (2) on every slider (1.2.1), support arm (2) still are equipped with locating pin (2.1) with stopper (1.1) adjacent one side, locating pin (2.1) and the locating hole cooperation on stopper (1.1).
5. The apparatus of claim 1 for in-frame static balance commissioning of an image stabilization platform, wherein: the pressing device (2.3) is inverted V-shaped, the two ends of the pressing device (2.3) are fixed at the two ends of the C-shaped groove in a threaded mode, a fixing bolt with the downward moving direction is arranged at the center of the top end of the pressing device (2.3), and the fixing bolt is finally pressed on a bearing of the inner frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795594.0U CN211930724U (en) | 2020-05-13 | 2020-05-13 | Device for debugging static balance of inner frame of image stabilization platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795594.0U CN211930724U (en) | 2020-05-13 | 2020-05-13 | Device for debugging static balance of inner frame of image stabilization platform |
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| CN211930724U true CN211930724U (en) | 2020-11-13 |
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| CN202020795594.0U Active CN211930724U (en) | 2020-05-13 | 2020-05-13 | Device for debugging static balance of inner frame of image stabilization platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729771A (en) * | 2020-12-03 | 2021-04-30 | 中国电子科技集团公司第十一研究所 | Debugging platform of small-size photoelectric pod |
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2020
- 2020-05-13 CN CN202020795594.0U patent/CN211930724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729771A (en) * | 2020-12-03 | 2021-04-30 | 中国电子科技集团公司第十一研究所 | Debugging platform of small-size photoelectric pod |
| CN112729771B (en) * | 2020-12-03 | 2023-04-28 | 中国电子科技集团公司第十一研究所 | Debugging platform of small-sized photoelectric pod |
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