CN220690337U - Three-dimensional force measurement structure for large-size stress surface - Google Patents
Three-dimensional force measurement structure for large-size stress surface Download PDFInfo
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- CN220690337U CN220690337U CN202322314693.9U CN202322314693U CN220690337U CN 220690337 U CN220690337 U CN 220690337U CN 202322314693 U CN202322314693 U CN 202322314693U CN 220690337 U CN220690337 U CN 220690337U
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Abstract
The utility model discloses a three-dimensional force measuring structure for a large-size stress surface, which comprises a top plate, a three-dimensional force sensor and a bottom plate; the top plate and the bottom plate are of axisymmetric structures, the symmetry axes of the top plate and the bottom plate are coaxial, the three-dimensional force sensors are arranged between the top plate and the bottom plate, the three-dimensional force sensors share a plurality of three-dimensional force sensors, and the three-dimensional force sensors are symmetrically arranged around the symmetry axis of the top plate; the three-dimensional force sensor is fixed with the top plate and the bottom plate through bolts respectively, and fixing holes fixed with the object to be detected and the installation plane are also formed in the top plate and the bottom plate respectively. The three-dimensional force measuring structure for the large-size force bearing surface has reasonable structural design, the top plate and the bottom plate are matched with the three-dimensional force sensors which are arranged in specification, so that the force borne by the top plate can be transferred to each three-dimensional force sensor, and the X, Y, Z signal resultant force of each three-dimensional force sensor is uniformly output.
Description
Technical Field
The utility model relates to the technical field of three-dimensional force measuring devices, in particular to a three-dimensional force measuring structure for a large-size stress surface.
Background
Three-dimensional force sensors are also known as tri-axial force sensors, tri-component force sensors, three-dimensional force sensors, or tri-axial force sensors, and can measure forces on three perpendicular axes simultaneously. The three-dimensional force sensor is based on a strain type weighing sensor, and adopts a resistance strain type principle, which is also called a strain type three-dimensional force sensor. The elastic element consists of an elastic element, a resistance strain gauge and a Wheatstone bridge circuit. The weight of the object to be weighed acts on the elastic element, deforming it and creating strain. The resistive strain gauge attached to the elastic element converts the strain proportional to the weight of the object into a resistive change, which is then converted into a voltage output by a wheatstone bridge circuit. And measuring tasks can be completed by displaying the output value of the voltage measured by the instrument. At present, when a single sensor is used for dealing with a large-size stress surface, the defects of inaccurate measurement, weak bending moment resistance, overlarge gap between the size of a mounting surface and the measured surface and the like exist.
Therefore, the development of the three-dimensional force measurement structure capable of meeting the requirement of a large-size stress surface is of great practical significance.
Disclosure of Invention
Because the prior art has the defects, the utility model provides a three-dimensional force measurement structure capable of meeting the requirement of a large-size stress surface, so as to solve the problem that the conventional sensor cannot adapt to the measurement requirement of the large-size stress surface.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a three-dimensional force measuring structure for a large-size stress surface comprises a top plate, a three-dimensional force sensor and a bottom plate;
the top plate and the bottom plate are of axisymmetric structures and the symmetry axes of the top plate and the bottom plate are coaxial, the three-dimensional force sensors are arranged between the top plate and the bottom plate, and the three-dimensional force sensors are shared and symmetrically arranged around the symmetry axis of the top plate;
the three-dimensional force sensor is fixed with the top plate and the bottom plate through bolts respectively, and fixing holes fixed with the object to be detected and the mounting plane are also formed in the top plate and the bottom plate respectively.
The three-dimensional force measuring structure for the large-size force bearing surface has reasonable structural design, the top plate and the bottom plate are matched with the three-dimensional force sensors which are arranged in specification, the force borne by the top plate can be transmitted to each three-dimensional force sensor, and the X, Y, Z signal resultant force of each three-dimensional force sensor is uniformly output.
As a preferable technical scheme:
according to the three-dimensional force measuring structure for the large-size force bearing surface, the mounting position of the top plate corresponding to the three-dimensional force sensor is provided with the three-dimensional force sensor top plate fixing hole;
and a mounting position of the bottom plate corresponding to the three-dimensional force sensor is provided with a three-dimensional force sensor bottom plate fixing hole.
The three-dimensional force measuring structure for the large-size stress surface is characterized in that a top plate fixing hole for fixing an object to be measured is formed in the top plate;
the bottom plate is provided with a bottom plate fixing hole which is fixed with the installation plane.
The three-dimensional force measuring structure for the large-size stress surface comprises an upper bottom plate and a lower bottom plate which are sequentially arranged up and down and are coaxial and connected with each other;
the three-dimensional force sensor bottom plate fixing hole is formed in the upper bottom plate;
the bottom plate fixing holes are formed in the lower bottom plate.
The three-dimensional force measuring structure for the large-size stress surface has the advantages that the upper bottom plate and the lower bottom plate are square structures;
the length of the upper bottom plate is smaller than that of the lower bottom plate, and the width of the upper bottom plate is smaller than that of the lower bottom plate.
According to the three-dimensional force measuring structure for the large-size stress surface, the bottom plate fixing holes are formed in the outer edge of the lower bottom plate.
The three-dimensional force measuring structure for the large-size stress surface comprises the bottom plate fixing hole and the bottom plate fixing waist-shaped hole;
a plurality of bottom plate fixing round holes which are arranged in a row are respectively formed on two lateral edges of the lower bottom plate in the width direction;
the two sides of the lower bottom plate in the length direction are respectively provided with a fixing hole group which is arranged in a row, each fixing hole group comprises a plurality of bottom plate fixing round holes and bottom plate fixing waist-shaped holes which are arranged at intervals, and the length direction of each bottom plate fixing waist-shaped hole is parallel to the length direction of the lower bottom plate. The design of the waist-shaped holes of the bottom plate can endow more fixed redundancy and improve adaptability.
According to the three-dimensional force measuring structure for the large-size force bearing surface, the plurality of three-dimensional force sensors are arranged in the rectangular array. Of course, a plurality of three-dimensional force sensors can also be circumferentially arranged.
The three-dimensional force measuring structure for the large-size force bearing surface has the advantages that the measuring range and the sensitivity of all three-dimensional force sensors are the same.
The above technical solution is only one possible technical solution of the present utility model, the protection scope of the present utility model is not limited thereto, and a person skilled in the art can reasonably adjust the specific design according to the actual requirements.
Compared with the prior art, the utility model has the following advantages or beneficial effects:
the three-dimensional force measuring structure for the large-size force bearing surface has reasonable structural design, the top plate and the bottom plate are matched with the three-dimensional force sensors which are arranged in specification, the force borne by the top plate can be transmitted to each three-dimensional force sensor, and the X, Y, Z signal resultant force of each three-dimensional force sensor is uniformly output.
Drawings
The utility model and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout. The drawings may not be to scale, emphasis instead being placed upon illustrating the principles of the utility model.
FIGS. 1 and 2 are a front view and a top view, respectively, of a three-dimensional force measuring structure for a large-sized force receiving surface of embodiment 1;
FIG. 3 is a top view of the top plate;
FIGS. 4 and 5 are front and top views, respectively, of a base plate;
wherein, 1 is the roof, 11 is the roof fixed orifices, 12 is three-dimensional force transducer roof fixed orifices, 2 is three-dimensional force transducer, 3 is the bottom plate, 31 is the upper plate, 32 is the lower plate, 33 is three-dimensional force transducer bottom plate fixed orifices, 34 is the bottom plate fixed round hole, 35 is the fixed waist shape hole of bottom plate.
Detailed Description
The structure of the present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the utility model.
Example 1
The three-dimensional force measuring structure for the large-size stress surface comprises a top plate 1, a three-dimensional force sensor 2 and a bottom plate 3 as shown in figures 1-2;
the top plate 1 and the bottom plate 3 are in axisymmetric structures and the symmetry axes of the two are coaxial, the bottom plate 3 is shown in fig. 4 and 5, and comprises an upper bottom plate 31 and a lower bottom plate 32 which are sequentially arranged up and down and are coaxially connected with each other, the upper bottom plate 31 and the lower bottom plate 32 are of square structures, the length of the upper bottom plate 31 is smaller than that of the lower bottom plate 32, the width of the upper bottom plate 31 is smaller than that of the lower bottom plate 32, a three-dimensional force sensor bottom plate fixing hole 33 (the position of which corresponds to the three-dimensional force sensor 2) is formed in the upper bottom plate 31, a plurality of bottom plate fixing round holes 24 which are aligned in a row are formed on two lateral edges of the width direction of the lower bottom plate 32 respectively, a fixing hole group which is aligned in a row is formed on two lateral edges of the length direction of the lower bottom plate 32 respectively, the fixing hole group comprises a plurality of bottom plate fixing round holes 24 and bottom plate fixing waist-shaped holes 25 which are arranged at intervals, and the length direction of the bottom plate fixing waist-shaped holes 25 are parallel to the lower bottom plate 32;
as shown in fig. 3, the top plate 1 is provided with a top plate fixing hole 11 for fixing an object to be measured;
the three-dimensional force sensors 2 are arranged between the top plate 1 and the bottom plate 3, the total number of the three-dimensional force sensors 2 is six, the measuring range and the sensitivity of all the three-dimensional force sensors 2 are identical, and the six three-dimensional force sensors 2 are symmetrically arranged around the symmetry axis of the top plate 1 and are arranged in a rectangular array;
the three-dimensional force sensor 2 is respectively fixed with the top plate 1 and the bottom plate 3 through bolts, and the top plate 1 and the bottom plate 3 are respectively fixed with the object to be measured and the installation plane through bolts.
In summary, the application provides a three-dimensional force measurement structure for jumbo size atress face, structural design is reasonable, utilize roof and bottom plate and a plurality of three-dimensional force sensor cooperation that the specification was arranged, can be with the roof atress transmission to each three-dimensional force sensor on, again with the X, Y, Z resultant force unified output of each three-dimensional force sensor, compared in prior art enlarged the dynamometry face greatly, the mode of multiple spot distribution can show the reduction atress moment of flexure, improve structural strength, satisfy jumbo size atress face needs, application prospect is good.
Those skilled in the art will understand that the skilled person can implement the modification in combination with the prior art and the above embodiments, and this will not be repeated here. Such modifications do not affect the essence of the present utility model, and are not described herein.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a three-dimensional force measurement structure for jumbo size atress face which characterized in that: comprises a top plate, a three-dimensional force sensor and a bottom plate;
the top plate and the bottom plate are of axisymmetric structures and the symmetry axes of the top plate and the bottom plate are coaxial, the three-dimensional force sensors are arranged between the top plate and the bottom plate, and the three-dimensional force sensors are shared and symmetrically arranged around the symmetry axis of the top plate;
the three-dimensional force sensor is fixed with the top plate and the bottom plate through bolts respectively, and fixing holes fixed with the object to be detected and the mounting plane are also formed in the top plate and the bottom plate respectively.
2. The three-dimensional force measuring structure for a large-size stress surface according to claim 1, wherein a three-dimensional force sensor top plate fixing hole is formed in a mounting position of the top plate corresponding to the three-dimensional force sensor;
and a mounting position of the bottom plate corresponding to the three-dimensional force sensor is provided with a three-dimensional force sensor bottom plate fixing hole.
3. The three-dimensional force measuring structure for a large-sized stress surface according to claim 2, wherein a top plate fixing hole for fixing an object to be measured is formed in the top plate;
the bottom plate is provided with a bottom plate fixing hole which is fixed with the installation plane.
4. A three-dimensional force measuring structure for large-sized stress surfaces according to claim 3, wherein the bottom plate comprises an upper bottom plate and a lower bottom plate which are arranged in sequence, coaxially and mutually connected;
the three-dimensional force sensor bottom plate fixing hole is formed in the upper bottom plate;
the bottom plate fixing holes are formed in the lower bottom plate.
5. The three-dimensional force measurement structure for large-sized stress surfaces according to claim 4, wherein the upper base plate and the lower base plate are square structures;
the length of the upper bottom plate is smaller than that of the lower bottom plate, and the width of the upper bottom plate is smaller than that of the lower bottom plate.
6. The three-dimensional force measuring structure for large-sized stress surfaces according to claim 5, wherein the bottom plate fixing hole is formed on an outer edge of the lower bottom plate.
7. The three-dimensional force measurement structure for a large-sized stress surface according to claim 6, wherein the bottom plate fixing hole comprises a bottom plate fixing round hole and a bottom plate fixing kidney-shaped hole;
a plurality of bottom plate fixing round holes which are arranged in a row are respectively formed on two lateral edges of the lower bottom plate in the width direction;
the two sides of the lower bottom plate in the length direction are respectively provided with a fixing hole group which is arranged in a row, each fixing hole group comprises a plurality of bottom plate fixing round holes and bottom plate fixing waist-shaped holes which are arranged at intervals, and the length direction of each bottom plate fixing waist-shaped hole is parallel to the length direction of the lower bottom plate.
8. The three-dimensional force measurement structure for a large-sized force receiving surface according to claim 1, wherein the plurality of three-dimensional force sensors are arranged in a rectangular array.
9. The three-dimensional force measuring structure for large-sized stress surfaces according to claim 1, wherein the measuring ranges and the sensitivities of all the three-dimensional force sensors are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322314693.9U CN220690337U (en) | 2023-08-28 | 2023-08-28 | Three-dimensional force measurement structure for large-size stress surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322314693.9U CN220690337U (en) | 2023-08-28 | 2023-08-28 | Three-dimensional force measurement structure for large-size stress surface |
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| Publication Number | Publication Date |
|---|---|
| CN220690337U true CN220690337U (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322314693.9U Active CN220690337U (en) | 2023-08-28 | 2023-08-28 | Three-dimensional force measurement structure for large-size stress surface |
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| Country | Link |
|---|---|
| CN (1) | CN220690337U (en) |
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2023
- 2023-08-28 CN CN202322314693.9U patent/CN220690337U/en active Active
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