CN218865342U - Embedded seat type tension sensor and tension measuring device - Google Patents
Embedded seat type tension sensor and tension measuring device Download PDFInfo
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- CN218865342U CN218865342U CN202222964990.3U CN202222964990U CN218865342U CN 218865342 U CN218865342 U CN 218865342U CN 202222964990 U CN202222964990 U CN 202222964990U CN 218865342 U CN218865342 U CN 218865342U
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Abstract
The utility model belongs to the technical field of tension sensors, in particular to an embedded seat type tension sensor and a tension measuring device, which comprises a base, an elastic strain body and a cover body; the base is provided with a cavity; two strain gauges are arranged on the elastic strain body; the strain gauges are used for respectively and correspondingly measuring the tension on one sides of the elastic strain gauges; the elastic strain body is arranged in the cavity; the lower end of the second side of the elastic strain body is fixedly connected with the second side of the base, and the height of the first side of the elastic strain body is smaller than that of the second side of the elastic strain body; the lower end of the cover body is inserted into the cavity; the lower end of the first side of the cover body is fixedly connected with the upper end of the first side of the elastic strain body, and the height of the second side of the cover body is smaller than that of the first side of the cover body. The utility model discloses can measure the tension value of both sides, so can better feedback act on the tension change on whole sensor, measurement accuracy is higher, measures more accurately, is favorable to the staff according to tension change control production line.
Description
Technical Field
The utility model belongs to the technical field of tension sensor, especially, relate to an embedded seat formula tension sensor and tension measuring device.
Background
The tension sensor is an instrument for measuring the tension value of a coiled material in the tension control process and is used for detecting and controlling the tension of the coiled material such as paper, a film, a battery pole piece and the like. The strain foil type is that the strain foils are connected together in a bridge mode, the resistance value of the strain foil is changed when external pressure is applied, and the change value is in direct proportion to the magnitude of the applied tension; according to the proportional relation between the tension and the change value, the tension can be obtained by reversely calculating through obtaining the change value.
Most of the existing side-mounted embedded seat type tension sensors are fixed on one side, the tension sensors detect tension on the other side, and as shown in fig. 1, the side A is fixed, and the side B detects tension. Since the fulcrum side is fixed as a fulcrum when measuring the tension, the detected tension cannot be measured, and therefore, the force data collected by the tension sensor is only the tension data acting on the tension sensor side, and the tension change acting on the entire sensor cannot be completely fed back. The measurement accuracy and precision of the sensor need to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an embedded type seat formula tension sensor aims at solving the technical problem that current embedded type seat formula tension sensor can only detect one side tension data.
In order to achieve the above object, an embodiment of the present invention provides an embedded seat type tension sensor, which includes a base, an elastic strain body and a cover;
the base is provided with a cavity; the elastic strain body is arranged in the cavity; the lower end of the cover body is inserted into the cavity;
the lower end of the second side of the elastic strain body is fixedly connected with the second side of the base, and the lower end of the first side of the cover body is fixedly connected with the upper end of the first side of the elastic strain body;
two strain gauges are arranged on the elastic strain body; the strain gauges respectively measure the tension on one side of the elastic strain body correspondingly; the height of the first side of the elastic strain body is smaller than that of the second side of the elastic strain body; the height of the second side of the cover body is smaller than that of the first side of the cover body.
Optionally, both sides of the elastic strain body are provided with deformation holes; the upper end surface of the first side of the elastic strain body and the first side of the cover body are provided with first threaded holes which are concentrically aligned; the first threaded hole is connected with a first screw so that the first side of the elastic strain body is in threaded connection with the cover body and the first side; the lower end surface of the second side of the elastic strain body and the second side of the base are provided with second threaded holes which are concentrically aligned; the second threaded hole is connected with a second screw so that the second side of the elastic strain body is in threaded connection with the second side of the base.
Optionally, a first pull-up limiting hole is formed in the lower end face of the first side of the elastic strain body, and a second pull-up limiting hole is formed in the upper end face of the second side of the elastic strain body; a fourth pull-up limiting hole is formed in the second side of the cover body; a third pull-up limiting hole is formed in the first side of the base; the first pull-up limiting hole and the third pull-up limiting hole are concentrically aligned; the first pull-up limiting hole and the third pull-up limiting hole are both connected with a first pull-up limiting screw; the second pull-up limiting hole and the fourth pull-up limiting hole are concentrically aligned; the second pull-up limiting hole and the fourth pull-up limiting hole are connected with a second pull-up limiting screw.
Optionally, the strain gauge is arranged on the upper end face of the elastic strain body; and a groove for protecting the strain gauge is arranged in the middle of the lower end of the cover body.
Optionally, a bump is arranged on the inner wall of the cavity; the elastic strain body and the cover body are both provided with a clearance groove; the lug is inserted into the clearance groove.
Optionally, a first wire hole is formed in the upper end surface of the elastic strain body; the first line hole is communicated with the deformation hole; the elastic strain body with a second line hole has been seted up to a side of base.
Optionally, the upper end surfaces of the two sides of the cover body are provided with third threaded holes for threaded connection of bearings.
Optionally, the base comprises a fixed head; one end of the fixing head is inserted into the second wire hole of the base.
Optionally, two side surfaces of the base are provided with fixing plates; and a fourth threaded hole is formed in the fixing plate.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the embedded type seat formula tension sensor have one of following technological effect at least: the lower end of the second side of the elastic strain body is fixedly connected with the base, the lower end of the first side of the elastic strain body is smaller than the lower end of the second side, so that the lower end of the first side of the elastic strain body is not connected with the base, when tension is applied to the first side of the tension sensor, the first side of the elastic strain body can be elastically deformed, the strain gauge measures the type variable of the elastic strain body and outputs a tension value, similarly, the upper end of the first side of the elastic strain body is fixedly connected with the cover body, because the upper end of the second side of the cover body is smaller than the upper end of the first side, the cover body is not connected with the upper end of the second side of the elastic strain body, when tension is applied to the second side of the tension sensor, the second side of the elastic strain body can also be elastically deformed, and the strain gauge outputs the tension value according to the type variable. The utility model discloses can measure the tension value of both sides, so can better feedback act on the tension change on whole sensor, measurement accuracy is higher, measures more accurately, is favorable to the staff according to tension change control production line.
The embodiment of the utility model also provides a tension measuring device, which comprises a guide roller; and the two ends of the guide roller are connected with the embedded seat type tension sensor through the bearing mounting seat.
The embodiment of the utility model provides a tension measuring device's above-mentioned one or more technical scheme have one of following technological effect at least:
because the tension measuring device comprises the embedded seat type tension sensor, the tension measuring device can also measure tension values at two sides, can more comprehensively feed back tension change acting on the whole device, and has higher measuring precision and more accurate measurement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic diagram of the working principle of a conventional embedded seat type tension sensor;
fig. 2 is a schematic view of an overall structure of an embedded seat type tension sensor according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of an embedded seat type tension sensor provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the elastic strain body according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another view angle of the elastic strain body according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the base according to an embodiment of the present invention;
fig. 7 is a schematic view of the overall structure of the tension measuring device according to the embodiment of the present invention.
Wherein, in the figures, the various reference numbers:
a first side 10, a second side 20;
the base 100, the cavity 110, the bump 111, the third pull-up limiting hole 120, the fixing head 130, the fixing plate 140, and the fourth threaded hole 141;
the elastic strain body 200, the deformation hole 210, the first threaded hole 220, the second threaded hole 230, the first pull-up limiting hole 240, the second pull-up limiting hole 250, the clearance groove 260, the first line hole 270 and the second line hole 280;
the cover body 300, a fourth pull-up limiting hole 310, a groove 320 and a third threaded hole 330;
a strain gauge 400;
a first screw 500;
a second screw 600;
a first upper limit screw 700, a first post 710, a first threaded end 720;
a second pull-up limit screw 800, a second post 810, a second threaded end 820;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the embodiments of the present invention, and should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In some embodiments of the present invention, as shown in fig. 2-3, a seat type tension sensor capable of measuring tension at two ends is provided, which includes a base 100, an elastic strain body 200 and a cover 300.
The base 100 has a cavity 110.
The elastic strain body 200 is installed in the cavity 110, and the lower end of the second side of the elastic strain body 200 is fixedly connected with the second side of the base 100.
The lower end of the cover body 300 is inserted into the cavity 110. The lower end of the first side of the cover body 300 is fixedly connected with the upper end of the first side of the elastic strain body 200.
As shown in fig. 3, reference numeral 10 is a "first side", reference numeral 20 is a second side, and the same applies hereinafter.
Two strain gauges 400 are arranged on the elastic strain body 200. The two strain gauges 400 respectively measure the tension on the two sides of the elastic strain body 200. The height of the first side of the elastic strain body 200 is less than the height of the second side thereof.
The height of the second side of the cover 300 is less than the height of the first side thereof.
Since the height of the lower end of the second side of the cover 300 is less than the height of the lower end of the first side, there is no connection between the lower end of the second side and the elastic strain body 200, when a tension is applied to the second side of the tension sensor, the second side of the elastic strain body 200 can be elastically deformed, the strain gauge 400 measures the deformation of the elastic strain body 200 and outputs a tension value,
similarly, the second side lower extreme of elastic strain body 200 with base 100 rigid coupling, because the height of the first side lower extreme of elastic strain body 200 is less than the height of its second side lower extreme, base 100 with there is not the relation of connection at the lower extreme of the first side of elastic strain body 200, consequently when tension sensor's first side is exerted tension, the first side of elastic strain body 200 also can produce elastic deformation, foil gage 400 is according to type variable output tension value.
The utility model discloses can measure the tension value of both sides, so can better feedback the tension change that acts on whole sensor, measurement accuracy is higher, measures more accurately, is favorable to the staff according to tension change control production line.
In other embodiments of the present invention, as shown in fig. 2-3, deformation holes 210 are formed on both sides of the elastic straining body 200. The upper end surface of the first side of the elastic strain body 200 and the first side of the cover body 300 are provided with first threaded holes 220 which are concentrically aligned. The first screw hole 220 is coupled with a first screw 500 so that the first side of the elastic strain body 200 is screw-coupled with the cover 300 and the first side. The second side lower end face of the elastic strain body 200 and the second side of the base 100 are provided with a second threaded hole 230 concentrically aligned. The second screw hole 230 is connected with a second screw 600 so as to screw the second side of the elastic strain body 200 with the second side of the base 100.
It should be understood that the first side of the elastic straining body 200 and the first side of the cover 300 and the second side of the elastic straining body 200 and the second side of the base 100 are not the only fixing means using the threaded connection, and in other embodiments, the connection between the first side of the elastic straining body 200 and the first side of the cover 300 and the connection between the second side of the elastic straining body 200 and the second side of the base 100 can also be fixed by means of buckling or welding.
In other embodiments of the present invention, as shown in fig. 3 to 5, the first side lower end surface of the elastic straining body 200 is provided with a first pull-up limiting hole 240, and the second side upper end surface is provided with a second pull-up limiting hole 250. A fourth pull-up limiting hole 310 is formed at a second side of the cover 300. The first side of the base 100 is provided with a third pull-up limiting hole 120. The first pull-up limiting hole 240 is concentrically aligned with the third pull-up limiting hole 120. The second pull-up limiting hole 250 is concentrically aligned with the fourth pull-up limiting hole 310. The first upper pulling limiting hole 240 and the third upper pulling limiting hole 120 are connected to a first upper limiting screw 700. The second pull-up limiting hole 250 and the fourth pull-up limiting hole 310 are both connected with a second pull-up limiting screw 800. When an upward tensile force is applied, the elastic strain body 200 is deformed upward. And when ascending pulling force is too big, the second upper pulling limiting screw 800 and the first upper limiting screw 700 prevent the elastic strain body 200 from continuing to generate elastic strain, and avoid the elastic strain body 200 from generating too big deformation and being damaged, thereby being capable of forming upper pulling overload protection for the elastic strain body 200.
When the elastic strain body 200 is pressed downwards excessively, because the height of the lower end of the first side of the elastic strain body 200 is smaller than that of the lower end of the second side of the elastic strain body, when the first side of the elastic strain body 200 deforms downwards excessively, the first side of the elastic strain body 200 can be in contact with the base 100, the base 100 blocks the elastic strain body 200 to continue to deform downwards, and therefore the elastic strain body 200 is protected from being pressed downwards and overloaded.
Specifically, in the present embodiment, the first upper limit screws 700 each include a first post 710 and a first threaded end 720. The second pull-up limit screw 800 includes a second post 810 and a second threaded end 820. The diameter of the first post 710 is greater than the diameter of the first threaded end 720. The diameter of the second post 810 is greater than the diameter of the second threaded end 820. The aperture of the fourth pull-up limiting hole 310 is larger than the aperture of the second pull-up limiting hole 250; the aperture of the third pull-up limiting hole 120 is larger than the aperture of the first pull-up limiting hole 240. The first column 710 is inserted into the third pull-up limiting hole 120. The second post 810 is inserted into the fourth pull-up limiting hole 310. The second pull-up limiting hole 250 and the first pull-up limiting hole 240 are both threaded holes. The first threaded end 720 is in threaded connection with the first pull-up limiting hole 240. The second threaded end 820 is threadedly coupled to the second pull-up limiting hole 250.
In other embodiments of the present invention, as shown in fig. 3, the strain gauge 400 is disposed on the upper end surface of the elastic strain body 200. The cover 300 is provided at the middle of the lower end thereof with a groove 320 for protecting the strain gauge 400. The groove 320 can protect the strain gauge 400 and also increase the external space of the strain gauge 400, thereby enhancing the ventilation and heat dissipation effects of the strain gauge 400.
In other embodiments of the present invention, as shown in fig. 3 and 6, the inner wall of the cavity 110 is provided with a bump 111. The elastic strain body 200 and the cover body 300 are both provided with a clearance groove 260. The protrusions 111 are inserted into the empty space avoiding grooves 260. When the elastic strain body 200 and the cover 300 are assembled, the clearance groove 260 is aligned with the projection 111, and the positioning of the elastic strain body 200 with the cover 300 and the base 100 is completed. The clearance groove 260 is kept aligned with the projection 111, so that the elastic strain body 200 and the cover 300 can be installed in the base 100, and the assembly convenience is improved. The clearance groove 260 and the bump 111 do not contact with each other, so as to prevent the friction force generated by the contact from affecting the measurement accuracy of the strain gauge when the elastic strain body 200 is subjected to a force.
In other embodiments of the present invention, as shown in fig. 3-4, the upper end surface of the elastic straining body 200 is provided with a first line hole 270. The first string holes 270 communicate with the deformation holes 210. A second line hole 280 is formed on one side of the elastic strain body 200 and the base 100. Specifically, a lead (not shown) connected to the strain gauge 400 passes through the first wire hole 270 into the deformation hole 210, passes through the second wire hole 280 out of the base 100, and is connected to an external device (not shown).
In other embodiments of the present invention, as shown in fig. 3, the cover 300 is provided with third screw holes 330 for screwing the bearing holders 910 on both side upper end surfaces. The bearing mount 910 may be mounted on the upper end surface of the cover 300 by screwing a screw (not shown) into the third screw hole 330.
In other embodiments of the present invention, as shown in fig. 3 and 4, the base 100 includes a fixing head 130. One end of the fixing head 130 is inserted into the second wire hole 280 of the base 100. The fixing head 130 can protect the wire led out from the second wire hole 280.
In other embodiments of the present invention, as shown in fig. 3 and 6, the fixing plates 140 are disposed on two sides of the base 100. The fixing plate 140 is opened with a fourth screw hole 141. The base 100 can be mounted on a plane such as a mounting plate of a production line or an equipment mounting surface by screw-coupling of the screw hole and a screw (not shown).
In other embodiments of the present invention, as shown in fig. 7, there is also provided a tension measuring device including a guide roller 900. Both ends of the guide roller 900 are connected with the embedded seat type tension sensor through the bearing mounting seat 910.
Specifically, the bearing mounting seat 910 is mounted on the upper end surface of the cover 300, and both ends of the guide roller 900 are inserted into the inner hole of the bearing 911 of the bearing mounting seat 910.
Because the tension measuring device comprises the embedded seat type tension sensor, the tension measuring device can also measure tension values at two sides, can more comprehensively feed back tension change acting on the whole device, and has higher measuring precision and more accurate measurement.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The embedded seat type tension sensor is characterized by comprising a base, an elastic strain body and a cover body;
the base is provided with a cavity; the elastic strain body is arranged in the cavity; the lower end of the cover body is inserted into the cavity;
the lower end of the second side of the elastic strain body is fixedly connected with the second side of the base, and the lower end of the first side of the cover body is fixedly connected with the upper end of the first side of the elastic strain body;
two strain gauges are arranged on the elastic strain body; the strain gauges respectively and correspondingly measure the tension on one side of the elastic strain body; the height of the first side of the elastic strain body is smaller than that of the second side of the elastic strain body; the height of the second side of the cover body is smaller than that of the first side of the cover body.
2. The embedded seat type tension sensor according to claim 1, wherein both sides of the elastic strain body are provided with deformation holes; the upper end surface of the first side of the elastic strain body and the first side of the cover body are provided with first threaded holes which are concentrically aligned; the first threaded hole is connected with a first screw so that the first side of the elastic strain body is in threaded connection with the cover body and the first side; the lower end surface of the second side of the elastic strain body and the second side of the base are both provided with second threaded holes which are concentrically aligned; the second threaded hole is connected with a second screw so that the second side of the elastic strain body is in threaded connection with the second side of the base.
3. The embedded seat type tension sensor according to claim 2, wherein a first pull-up limiting hole is formed in the lower end surface of the first side of the elastic strain body, and a second pull-up limiting hole is formed in the upper end surface of the second side of the elastic strain body; a fourth pull-up limiting hole is formed in the second side of the cover body; a third pull-up limiting hole is formed in the first side of the base; the first pull-up limiting hole and the third pull-up limiting hole are concentrically aligned; the first pull-up limiting hole and the third pull-up limiting hole are both connected with a first pull-up limiting screw; the second pull-up limiting hole and the fourth pull-up limiting hole are concentrically aligned; the second pull-up limiting hole and the fourth pull-up limiting hole are connected with a second pull-up limiting screw.
4. The embedded seat type tension sensor according to claim 3, wherein the strain gauge is arranged on the upper end face of the elastic strain body; and a groove for protecting the strain gauge is arranged in the middle of the lower end of the cover body.
5. The inline seat type tension sensor according to claim 4, wherein the inner wall of the cavity is provided with a projection; the elastic strain body and the cover body are both provided with a clearance groove; the lug is inserted into the clearance groove.
6. The embedded seat type tension sensor according to claim 2, wherein the upper end surface of the elastic strain body is provided with a first wire hole; the first wire hole is communicated with the deformation hole; the elastic strain body and one side surface of the base are provided with second line holes.
7. The embedded type seat type tension sensor according to claim 6, wherein the upper end surfaces of both sides of the cover body are provided with third threaded holes for screwing with the bearing mounting seats.
8. The in-line seat tension sensor of claim 7, wherein the base includes a fixed head; one end of the fixing head is inserted into the second wire hole of the base.
9. The embedded seat type tension sensor according to claim 8, wherein fixing plates are arranged on two side faces of the base; the fixing plate is provided with a fourth threaded hole.
10. A tension measuring device includes a guide roller; the tension sensor is characterized in that two ends of the guide roller are connected with the embedded type seat type tension sensor according to any one of claims 1-9 through bearing installation seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222964990.3U CN218865342U (en) | 2022-11-07 | 2022-11-07 | Embedded seat type tension sensor and tension measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222964990.3U CN218865342U (en) | 2022-11-07 | 2022-11-07 | Embedded seat type tension sensor and tension measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218865342U true CN218865342U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222964990.3U Active CN218865342U (en) | 2022-11-07 | 2022-11-07 | Embedded seat type tension sensor and tension measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN218865342U (en) |
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- 2022-11-07 CN CN202222964990.3U patent/CN218865342U/en active Active
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