CN217560862U - Ultrathin support beam flexible support device for tiny torque calibration device - Google Patents
Ultrathin support beam flexible support device for tiny torque calibration device Download PDFInfo
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- CN217560862U CN217560862U CN202122907454.5U CN202122907454U CN217560862U CN 217560862 U CN217560862 U CN 217560862U CN 202122907454 U CN202122907454 U CN 202122907454U CN 217560862 U CN217560862 U CN 217560862U
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Abstract
The utility model relates to a very thin a supporting beam flexible support device for small moment of torsion calibrating device, include the very thin a supporting beam of variable cross section based on elastic material, support the rib, the rotation axis left and right sides of the very thin a supporting beam of variable cross section has gapped support rib in the middle of being equipped with respectively. The minimum thickness in the middle of the variable cross-section ultrathin supporting beam is less than 0.05mm. When the flexible support bearing the overload torque drives the ultrathin support beam flexible support device to rotate left and right along the rotation axis of the variable-section ultrathin support beam, the gap between the left side support rib and the right side support rib is closed, and the self-limiting protection effect on the overload torque is achieved. The utility model discloses a very thin supporting beam flexible support device for small moment of torsion calibrating device can realize that a supporting beam minimum thickness is less than 0.05mm, can bear the weight of the 500g arm of force, simultaneously, has the self-limit protect function when bearing the overload moment of torsion.
Description
Technical Field
The utility model relates to a small moment of torsion calibrating device especially relates to a little torsional rigidity flexible support device for small moment of torsion calibrating device.
Background
Flexible supports are typically used in the field of optical instrument technology to carry optical lenses. The torque calibration device is used as a support device of the force arm, bears the weight of the force arm in a working state and rotates along the center in the direction of bearing the torque. The higher the resolution of the torque measurement of the device, the thinner the minimum thickness of the support beam is required.
When uNm-level micro torque measurement is to be realized, the minimum thickness of the supporting beam needs to be less than 0.05mm, the supporting beam is not provided with a left flexible support and a right flexible support, the device can be deformed due to cutting force in the processing process, and the device cannot be used due to the problems that the upper end surface and the lower end surface are not parallel obviously, the device is asymmetric and the like.
Through the research on the prior art, the research on the flexible support is most represented by the research results of the optical scaling and characterization technology key laboratory commonly used by the Anhui optical precision mechanical research institute of Chinese academy of sciences at home, such as the thesis "design of a supporting structure of a small-diameter off-axis parabolic reflector based on finite element analysis" published by the Shenming and others, the thesis "design of a flexible supporting structure of a light thin reflector" published by the Yangjianli and others, the thesis "gravity sensor based on a space cross flexible supporting structure" published by the Jingguo and others, and the researched supporting structure is used for bearing optical lenses and the like.
In view of the above problems, there is a need for an ultra-thin supporting beam flexible supporting device with self-limiting protection function for a micro torque calibration device, which solves the problems of deformation and overload torque protection caused by machining cutting force.
Disclosure of Invention
The utility model discloses a to small moment of torsion calibrating device's demand, provide a supporting beam minimum thickness and be less than 0.05mm, can bear the weight of the 500g arm of force, the flexible support device who has from spacing protect function when bearing the overload moment of torsion. The utility model discloses a very thin supporting beam flexible support device, its theory of operation, structural style, suitable object all are different from the bearing structure that the aforesaid mentioned.
In order to achieve the above purpose, the technical scheme of the utility model is that: the ultrathin supporting beam flexible supporting device for the micro-torque calibration device comprises an ultrathin supporting beam with a variable cross section and supporting ribs based on elastic materials, wherein the left side and the right side of the rotation axis of the ultrathin supporting beam with the variable cross section are respectively provided with the supporting ribs with gaps in the middle.
Further, the minimum thickness in the middle of the support beam with the variable cross section and the extremely thin cross section is less than 0.05mm.
Further, when in use, the ultrathin supporting beam flexible supporting device is used for supporting the flexible support, and the processing deformation of the ultrathin supporting beam flexible supporting device causes the change of the parallelism of the upper end face and the lower end face of the flexible support to be less than 0.1mm.
Furthermore, when the flexible support bearing the overload torque drives the ultrathin support beam flexible support device to rotate left and right along the rotation axis of the variable-section ultrathin support beam, the gap between the left side support rib and the right side support rib is closed, so that the self-limiting protection effect on the overload torque is realized.
The beneficial effects of the utility model reside in that: the utility model discloses an extremely thin a supporting beam flexible support device for small moment of torsion calibrating device can realize that a supporting beam minimum thickness is less than 0.05mm, can bear the weight of the 500g arm of force, simultaneously, has the self-limit protect function when bearing the overload moment of torsion.
Drawings
FIG. 1 is a schematic structural view of an extremely thin support beam flexible support device for a micro-torque calibration device of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic diagram of the operation of the ultra-thin supporting beam flexible supporting device for the micro torque calibrating device of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in FIGS. 1 and 2, the very thin supporting beam flexible supporting device with self-limiting protection function for micro torque calibration device of the present invention comprises a supporting beam A1 with variable section and very thin based on elastic material, and supporting ribs A2. Support ribs A2 having a gap S in the middle are provided on both sides of the rotation axis of the support beam A1 having an extremely thin variable cross section.
Uniquely, the minimum thickness in the middle of the supporting beam A1 with the variable cross section being extremely thin is less than 0.05mm, the parallelism change of the upper end surface and the lower end surface of the flexible support A caused by the deformation of the supporting processing is less than 0.1mm, and the flexible support A rotates in the clockwise/counterclockwise direction after bearing the clockwise/counterclockwise torque transmitted by the force arm B, as shown in figure 3.
Uniquely, the supporting ribs A2 with gaps S are arranged in the middle of the left side and the right side of the rotating axis, and the gaps S in the middle of the supporting ribs A2 on the left side or the right side of the flexible support A are closed when the flexible support A bears overload torque, so that the self-limiting protection effect on the overload torque is realized.
The ultrathin supporting beam flexible supporting device with the self-limiting protection function for the micro-torque calibration device can be prepared by the following preparation method, and comprises the following steps of:
firstly, processing the outer plane of an elastic material blank by using a plane grinder according to a drawing;
secondly, machining the external contour by using an electric machining slow-moving wire according to a figure;
thirdly, machining the inner contour between the left/right side support rib and the support beam by using an electric machining slow-moving wire according to the drawing;
and fourthly, cutting the left/right side support ribs into an upper part and a lower part by electric machining slow-moving wire machining according to the drawing.
Claims (3)
1. An extremely thin support beam flexible support device for a minute torque calibrating apparatus, characterized in that: the support rib structure comprises a variable-section ultrathin support beam and support ribs based on elastic materials, wherein the support ribs with gaps in the middle are respectively arranged on the left side and the right side of the rotation axis of the variable-section ultrathin support beam.
2. The extremely thin support beam flexible support device for minute torque calibrating apparatus according to claim 1, wherein: the minimum thickness in the middle of the support beam with the variable cross section and the extremely thin cross section is less than 0.05mm.
3. The extremely thin support beam flexible support device for minute torque calibration means as claimed in claim 1, characterized in that: when the ultrathin support beam flexible support device is used for supporting flexible support, and the parallelism change of the upper end face and the lower end face of the flexible support caused by the processing deformation of the ultrathin support beam flexible support device is less than 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907454.5U CN217560862U (en) | 2021-11-24 | 2021-11-24 | Ultrathin support beam flexible support device for tiny torque calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122907454.5U CN217560862U (en) | 2021-11-24 | 2021-11-24 | Ultrathin support beam flexible support device for tiny torque calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560862U true CN217560862U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122907454.5U Active CN217560862U (en) | 2021-11-24 | 2021-11-24 | Ultrathin support beam flexible support device for tiny torque calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560862U (en) |
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2021
- 2021-11-24 CN CN202122907454.5U patent/CN217560862U/en active Active
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