CN219197833U - Multidimensional force sensor paster pressurizing device - Google Patents
Multidimensional force sensor paster pressurizing device Download PDFInfo
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- CN219197833U CN219197833U CN202320252899.0U CN202320252899U CN219197833U CN 219197833 U CN219197833 U CN 219197833U CN 202320252899 U CN202320252899 U CN 202320252899U CN 219197833 U CN219197833 U CN 219197833U
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- force sensor
- strain gauge
- fixing clamp
- elastic beam
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Abstract
The utility model discloses a multidimensional force sensor patch pressurizing device which is used for pressurizing a resistance strain gauge adhered to an elastic beam of a force sensor, and comprises a fixing clamp and a plurality of threaded fasteners, wherein the fixing clamp is used for being sleeved on the elastic beam and is provided with a plurality of mounting positions, the mounting positions are distributed at intervals along the circumferential direction of the fixing clamp, each mounting position is provided with at least one threaded through hole, and the position of each mounting position corresponding to each strain gauge on the elastic beam is provided with the threaded through hole, and the threaded through holes penetrate through the inner wall surface of the fixing clamp; and the threaded fastener is in threaded connection with the threaded through hole and is used for pressing the strain gauge on the elastic beam. The technical scheme of the utility model can improve the efficiency and reliability of the multidimensional force sensor patch.
Description
Technical Field
The utility model relates to the field of sensor patches, in particular to a multidimensional force sensor patch pressurizing device.
Background
Among various mounting methods of the resistive strain gauge of the multidimensional force sensor, the pasting method is most used. The quality of the strain gauge adhesion is one of the key factors for determining whether the strain test is successful or not, so that the operation must be strictly performed according to the adhesion process flow during adhesion. Most of the adhesives commonly used at home and abroad at present need to be heated and cured, and heating and pressurizing are a vital link. However, for many multidimensional force sensors with complex elastic body structures such as six-dimensional force sensors, the pressurizing operation often has great difficulty, so that the multidimensional force sensor paster process is complex and has low efficiency, and the strain gauge is not firmly pasted.
Disclosure of Invention
The utility model mainly aims to provide a multidimensional force sensor patch pressurizing device, which aims to improve the efficiency and reliability of multidimensional force sensor patches.
In order to achieve the above object, the present utility model provides a multi-dimensional force sensor patch pressurizing device, comprising:
the fixing clamp is used for being sleeved on the elastic beam, the fixing clamp is provided with a plurality of mounting positions, the mounting positions are distributed at intervals along the circumferential direction of the fixing clamp, each mounting position is provided with at least one threaded through hole, the positions of the mounting positions corresponding to each strain gauge on the elastic beam are provided with the threaded through holes, and the threaded through holes penetrate through the inner wall surface of the fixing clamp; and
and the threaded fasteners are in threaded connection with the threaded through holes and are used for pressing the strain gauge on the elastic beam.
Optionally, the mounting fixture is integrative setting to be equipped with the installation breach, the installation breach is located adjacent two between the screw thread through-hole of installation position, the mounting fixture passes through the installation breach cover is located the elastic beam.
Optionally, the end face of the threaded fastener is planar.
Optionally, the end face of the threaded fastener is sized to be greater than or equal to the corresponding strain gauge for complete coverage of the strain gauge.
Optionally, the multidimensional force sensor patch pressurizing device further includes a plurality of backing plates, each backing plate is configured to be mounted between a strain gauge and the corresponding threaded through hole, and the threaded fastener is configured to abut against a side of the backing plate facing away from the strain gauge.
Optionally, the backing plate is a silicone rubber plate.
Optionally, the installation position is provided with a plurality of threaded through holes, and a plurality of threaded through holes of the same installation position are arranged at intervals.
Optionally, a plurality of threaded through holes of the same installation position are uniformly arranged at intervals along the length direction of the elastic beam.
Optionally, the fixing clamp is made of metal.
Optionally, the fixing clamp is made of aluminum alloy.
The multidimensional force sensor patch pressurizing device comprises a fixing clamp and a threaded fastener, wherein the fixing clamp can be sleeved on an elastic beam, a plurality of mounting positions are arranged on the fixing clamp and distributed at intervals along the circumferential direction of the fixing clamp, each mounting position is provided with at least one threaded through hole corresponding to each strain gauge on the elastic beam, and the threaded through holes penetrate through the inner wall surface of the fixing clamp. When the multi-dimensional force sensor is used, the fixing clamp is sleeved on the elastic beam with the strain gauges around, each strain gauge is arranged corresponding to one threaded through hole, then the strain gauges can be pressed on the elastic beam through the threaded fasteners after the threaded fasteners are screwed on the threaded through holes corresponding to the strain gauges, after each strain gauge is pressed by the threaded fasteners, the multi-dimensional force sensor and the fixing clamp are cured together, so that the strain gauges are firmly adhered on the elastic beam under pressure, and the reliability and the service life of the multi-dimensional force sensor are improved. Like this, press the foil gage through mounting fixture and screw fastener cooperation corresponding foil gage and fix on the elastic beam, make a mounting fixture just can apply pressure simultaneously to a plurality of foil gages of different faces on same elastic beam, need not set up a plurality of anchor clamps and fix a plurality of foil gages on same elastic beam, promoted multidimensional force transducer's paster efficiency and reliability.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-dimensional force sensor patch pressurizing device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the fixing clamp in FIG. 1;
FIG. 3 is a schematic view of the threaded fastener of FIG. 1;
FIG. 4 is a schematic diagram of a multi-dimensional force sensor applied by the patch pressurizing device of FIG. 1;
fig. 5 is a schematic structural view of the patch pressurizing device of the multidimensional force sensor shown in fig. 1, installed on the multidimensional force sensor.
| Reference numerals | Name of the name | Reference numerals | Name of the |
| 10 | |
20 | Threaded |
| 11 | Screw threadHole(s) | 30 | Multidimensional |
| 12 | |
31 | Elastic beam |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a multidimensional force sensor patch pressurizing device which is used for installing a strain gauge on an elastic beam of a force sensor.
In the embodiment of the present utility model, as shown in fig. 1 to 5, the multidimensional force sensor patch pressurizing device includes a fixing clamp 10 and a plurality of threaded fasteners 20, the fixing clamp 10 is used for being sleeved on an elastic beam 31, the fixing clamp 10 is provided with a plurality of mounting positions, the plurality of mounting positions are distributed at intervals along the circumferential direction of the fixing clamp 10, each mounting position is provided with at least one threaded through hole 11, the position of each mounting position corresponding to each strain gauge on the elastic beam 31 is provided with a threaded through hole 11, and the threaded through holes 11 penetrate through the inner wall surface of the fixing clamp 10; the threaded fastener 20 is screwed into the threaded through hole 11, and the threaded fastener 20 is used to press the strain gauge against the elastic beam 31.
Specifically, the structure of the elastic beam 31 may be various, for example: a quadrangular prism structure or other shaped structure, and the like, in this embodiment, the elastic beam 31 is described as a quadrangular prism structure. The four sides of elastic beam all correspond and are equipped with the installation position, and mounting fixture is equipped with four at least installation positions. When the strain gauge is used, strain gauges are stuck on four surfaces of the elastic beam 31, then the fixing clamp 10 is sleeved on the elastic beam 31, a plurality of installation positions are distributed around the elastic beam 31 at intervals, the four surfaces of the elastic beam 31 are provided with the installation positions correspondingly, a plurality of threaded through holes 11 on the installation positions face a plurality of strain gauges on different surfaces, then the threaded fastener 20 is screwed into the threaded through holes 11, so that the end parts of the threaded fastener 20 are abutted against the strain gauges, the strain gauges are pressed on the elastic beam 31, then the threaded fastener 20 can be rotated to adjust the depth of the threaded fastener 20 in the threaded through holes 11, and the pressure of the threaded fastener 20 corresponding to the strain gauges can be adjusted. After the pressure of the threaded fastener 20 to the strain gauge is a proper value, the multidimensional force sensor elastic body 30 and the fixing clamp 10 are put into a heating furnace to be heated, and the strain gauge can be firmly adhered to the elastic beam 31 under the conditions of pressure and high temperature. And the threaded fastener 20 can be conveniently removed from the fixing clamp 10 after the strain gauge is heated and fixed.
The multidimensional force sensor patch pressurizing device comprises a fixing clamp 10 and a threaded fastener 20, wherein the fixing clamp 10 can be sleeved on an elastic beam 31, a plurality of mounting positions are arranged on the fixing clamp 10 and are distributed at intervals along the circumferential direction of the fixing clamp 10, each mounting position on the fixing clamp 10 corresponding to each strain gauge on the elastic beam 31 is provided with at least one threaded through hole 11, and the threaded through holes 11 penetrate through the inner wall surface of the fixing clamp 10. When the multi-dimensional force sensor elastic body 30 is used, the fixing clamp 10 is sleeved on the elastic beam 31 with the strain gauges around, each strain gauge is arranged corresponding to one threaded through hole 11, then the strain gauges can be pressed on the elastic beam 31 through the threaded fasteners 20 after the threaded fasteners 20 are screwed into the threaded through holes 11 corresponding to the strain gauges, after each strain gauge is pressed by the threaded fasteners 20, the multi-dimensional force sensor elastic body 30 and the fixing clamp 10 are subjected to solidification treatment, so that the strain gauges are firmly adhered on the elastic beam 31 under pressure, and the reliability and the service life of the multi-dimensional force sensor elastic body 30 are improved. In this way, the strain gauge is fixed on the elastic beam 31 by pressing the strain gauge through the cooperation of the fixing clamp 10 and the threaded fastener 20, so that one fixing clamp 10 can apply pressure to a plurality of strain gauges on different surfaces of the same elastic beam 31 at the same time, a plurality of clamps are not required to be arranged for fixing a plurality of strain gauges on the same elastic beam 31, and the patch efficiency and reliability of the multidimensional force sensor elastic body 30 are improved.
In some embodiments, the fixing clamp 10 is integrally arranged and is provided with a mounting notch 12, the mounting notch 12 is positioned between the threaded through holes 11 of two adjacent mounting positions, and the fixing clamp 10 is sleeved on the elastic beam 31 through the mounting notch 12. Specifically, the middle of the fixing clamp 10 is provided with a clamping space, the installation notch 12 is communicated with the clamping space, the size of the installation notch 12 is larger than the width of the elastic beam 31, the fixing clamp 10 can be directly sleeved on the elastic beam 31 through the installation notch 12, the elastic beam 31 is positioned in the installation space, the fixing clamp 10 is sleeved on the elastic beam 31, the installation notch 12 faces the edge angle of the elastic beam 31, a plurality of installation positions face four faces of the elastic beam 31 correspondingly, after the threaded fastener 20 is pressed on the strain gauge, the installation positions are fixed through the threaded fastener 20, and the fixing clamp 10 is stably fixed on the elastic beam 31. The arrangement of the mounting notch 12 makes the fixing clamp 10 not be provided with an opening or closing structure, and the fixing clamp 10 is integrally provided, so that the fixing clamp 10 is simpler in structure and more convenient to mount on the elastic beam 31, and the mounting notch 12 does not influence the mounting of the threaded fastener 20. In addition, in other embodiments, the fixing jig 10 includes an upper jig and a lower jig, which are clamped to the elastic beam 31 and then fixed by a clamping structure.
In some embodiments, the end face of the threaded fastener 20 is planar. Specifically, the end surface of the threaded fastener 20 is a plane, so that the contact area of the threaded fastener 20 and the strain gauge is larger, the pressure of the threaded fastener 20 applied to the strain gauge is more uniform, and the end part of the threaded fastener 20 is not easy to damage the strain gauge.
In some embodiments, the end face of the threaded fastener 20 is sized to be greater than or equal to the corresponding strain gage for complete coverage of the strain gage. Specifically, after the threaded fastener 20 is pressed against the strain gauge, the surface of the strain gauge facing the threaded fastener 20 is completely covered by the end surface of the threaded fastener 20, so that the whole strain gauge is subjected to pressure from the threaded fastener 20, and the strain gauge is subjected to relatively uniform pressure.
In some embodiments, the multi-dimensional force sensor elastomer 30 patch device further comprises a plurality of pads, each pad for mounting between a strain gauge and a corresponding threaded through hole 11, the threaded fastener 20 for abutting on the side of the silicon pad facing away from the strain gauge. Specifically, after the strain gauge is adhered to the elastic beam 31, before the threaded fastener 20 is pressed on the strain gauge, the backing plate is installed between the strain gauge and the threaded fastener 20, so that the threaded fastener 20 is directly abutted against the backing plate, the threaded fastener 20 presses the strain gauge on the elastic beam 31 through the backing plate, so that the threaded fastener 20 is not directly contacted with the strain gauge, the pressure is applied by the backing plate corresponding to the strain gauge, the range of the pressure applied by the strain gauge is larger due to the fact that the backing plate is attached to the strain gauge, the pressure applied by the strain gauge is more uniform, and the strain gauge is better pressed on the elastic beam 31.
In some embodiments, the backing plate is a silicone rubber plate. Specifically, the pad has higher temperature resistance when being made of silicon rubber, and the pad has better supportability. In addition, in other embodiments, the pad is made of tpe (thermoplastic elastomer).
In some embodiments, the mounting location is provided with a plurality of threaded through holes 11, and the plurality of threaded through holes 11 of the same mounting location are spaced apart. Specifically, the threaded through holes 11 of the plurality of threaded fasteners 20 can be selectively installed at different positions, and the plurality of strain gauges on one surface of the elastic beam 31 can be pressurized by installing the plurality of threaded fasteners 20 at the same installation position, so as to improve the efficiency of pressurizing the strain gauges.
In some embodiments, the plurality of threaded through holes 11 of the same mounting position are uniformly spaced along the length direction of the elastic beam 31. Specifically, the threaded through holes 11 which are uniformly arranged at intervals enable the threaded fasteners 20 to be uniformly spaced after being installed, the threaded fasteners 20 are installed in order, and the fixing clamp 10 is uniformly and firmly stressed after being installed.
In some embodiments, the material of the fixing clip 10 is metal. Specifically, the fixing clamp 10 made of metal has a strong structure, so that the fixing clamp 10 is more firm to use and has a longer service life. In other embodiments, the fixing clip 10 is made of heat-resistant plastic.
In some embodiments, the material of the fixing clip 10 is an aluminum alloy. Specifically, the fixing jig 10 made of aluminum alloy is light in weight and low in cost. In other embodiments, the fixing jig 10 is made of stainless steel.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A multidimensional force sensor patch pressurizing device for pressurizing a resistance strain gauge attached to an elastic beam of a force sensor, the multidimensional force sensor patch pressurizing device comprising:
the fixing clamp is used for being sleeved on the elastic beam, the fixing clamp is provided with a plurality of mounting positions, the mounting positions are distributed at intervals along the circumferential direction of the fixing clamp, each mounting position is provided with at least one threaded through hole, the positions of the mounting positions corresponding to each strain gauge on the elastic beam are provided with the threaded through holes, and the threaded through holes penetrate through the inner wall surface of the fixing clamp; and
and the threaded fasteners are in threaded connection with the threaded through holes and are used for pressing the strain gauge on the elastic beam.
2. The patch pressurizing device for the multidimensional force sensor according to claim 1, wherein the fixing clamp is integrally arranged and is provided with a mounting notch, the mounting notch is positioned between two adjacent threaded through holes of the mounting positions, and the fixing clamp is sleeved on the elastic beam through the mounting notch.
3. The multi-dimensional force sensor patch pressurization device of claim 1, wherein the end face of the threaded fastener is planar.
4. A multi-dimensional force sensor patch pressurization device according to claim 3, wherein said threaded fastener has an end face dimension greater than or equal to the dimension of a corresponding strain gauge for fully covering said strain gauge.
5. The multi-dimensional force sensor patch pressurization device of claim 1, further comprising a plurality of backing plates, each of said backing plates for mounting between a strain gauge and a corresponding said threaded through hole, said threaded fastener for abutting on a side of said backing plate facing away from said strain gauge.
6. The multi-dimensional force sensor patch pressurization device of claim 5, wherein the backing plate is a silicone rubber plate.
7. The multi-dimensional force sensor patch pressurization device of claim 1, wherein said mounting location is provided with a plurality of said threaded through holes, and a plurality of said threaded through holes of the same mounting location are spaced apart.
8. The multi-dimensional force sensor patch pressurization device of claim 7, wherein a plurality of said threaded through holes of a same said mounting location are uniformly spaced along the length of said spring beam.
9. The multi-dimensional force sensor patch-pressurizing device of claim 1, wherein the material of the fixing jig is metal.
10. The multi-dimensional force sensor patch-pressurizing device of claim 9, wherein the material of the fixing jig is aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252899.0U CN219197833U (en) | 2023-02-20 | 2023-02-20 | Multidimensional force sensor paster pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252899.0U CN219197833U (en) | 2023-02-20 | 2023-02-20 | Multidimensional force sensor paster pressurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219197833U true CN219197833U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320252899.0U Active CN219197833U (en) | 2023-02-20 | 2023-02-20 | Multidimensional force sensor paster pressurizing device |
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| Country | Link |
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| CN (1) | CN219197833U (en) |
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- 2023-02-20 CN CN202320252899.0U patent/CN219197833U/en active Active
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