CN214309238U - Embedded cable force sensor - Google Patents
Embedded cable force sensor Download PDFInfo
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- CN214309238U CN214309238U CN202022750168.8U CN202022750168U CN214309238U CN 214309238 U CN214309238 U CN 214309238U CN 202022750168 U CN202022750168 U CN 202022750168U CN 214309238 U CN214309238 U CN 214309238U
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Abstract
The utility model relates to an embedded cable force sensor, wherein, the embedded cable force sensor comprises an upper compression ring and a lower compression ring which are superposed up and down, and a plurality of load sensors which are positioned between the upper compression ring and the lower compression ring; the upper surface of the lower compression ring is provided with an annular groove, and an annular elastic body is arranged in the annular groove; go up the lower surface of clamping ring and correspond annular groove position department is equipped with the cyclic annular boss that stretches into annular groove, and the distance of the upper surface that highly is greater than cyclic annular elastomer to the upper surface of clamping ring down of cyclic annular boss is equipped with the mounting groove on the cyclic annular boss, all inlays in the mounting groove load sensor, the mounting groove is equipped with the radial wire hole that the lead-out wire that supplies load sensor passes through. The utility model discloses an inserted cable force sensor, it is highly minimum, light in weight, load sensor can standardize, multiplexed output, and the reliability of long-term use is high, simple structure, and the cost is with low costs, can be used to test cable-stay bridge cable pulling force and suspension bridge jib pulling force etc..
Description
Technical Field
The utility model relates to a load sensing equipment technical field especially relates to an inserted cable force sensor.
Background
In many industrial production and engineering construction, a load sensor with large bearing capacity needs to be used for a long time, and the load sensor needs to be installed on an object with large volume and large load, such as large-scale equipment, buildings, bridges, ocean platforms and other buildings. The existing load sensor takes a resistance wire sheet as a sensitive element and is adhered to a metal elastic element which senses load and generates micro elastic deformation, and the load acting on the elastic element is tested by testing the voltage change of the resistance wire sheet. The existing load sensor has the following problems: the structure height is too high, the elastomer volume that bears the load is too big, can not install in the structure thing of some specific shapes, and the cost is too high moreover, and reliability is not high in the long-term use process etc..
Therefore, it is desirable to provide an embedded cable force sensor with simple structure and low cost.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides an inserted cable force transducer, it has solved the too big, unable technical problem of installing in the structure and the cost is high of current load sensor structure complicacy size.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
the embodiment of the utility model provides an embedded cable force sensor, which comprises an upper compression ring and a lower compression ring which are vertically superposed, and a load sensor positioned between the upper compression ring and the lower compression ring;
the upper surface of the lower compression ring is provided with an annular groove, and an annular elastic body is arranged in the annular groove; go up the lower surface of clamping ring and correspond annular groove position department is equipped with and stretches into annular groove's cyclic annular boss, highly being greater than of cyclic annular boss the upper surface of cyclic annular elastomer arrives the distance of the upper surface of clamping ring down, be equipped with the mounting groove on the cyclic annular boss, all inlay in the mounting groove load sensor, the mounting groove is equipped with the confession load sensor's leading-out wire passes through radial wire hole.
Optionally, the top periphery of cyclic annular elastomer, be equipped with the side facade of annular groove and the annular seal ring of the bottom surface contact of cyclic annular boss, the cross section of sealing washer is personally submitted "L" shape, the top surface of cyclic annular elastomer with the bottom surface conflict of cyclic annular boss, the bottom surface of cyclic annular elastomer with the bottom surface conflict of annular groove.
Optionally, the number of the mounting grooves on the annular boss is one or more, and the load sensors are embedded in the one or more mounting grooves.
Optionally, the material of the annular elastomer is a solid rheological material.
Further, the cyclic elastomer is a rubber elastomer or a polyurethane elastomer.
Optionally, the upper surface of the upper pressure ring is a plane, the outer vertical surface of the upper pressure ring is a cylindrical surface, and a columnar hole is formed in the middle of the upper pressure ring.
Further, the cylindrical surface is a cylindrical surface, and the columnar hole is a circular hole.
Optionally, the lower surface of the lower pressure ring is a plane, the outer vertical surface of the lower pressure ring is a cylindrical surface, and a columnar hole is formed in the middle of the lower pressure ring.
Further, the cylindrical surface is a cylindrical surface, and the columnar hole is a circular hole.
(III) advantageous effects
The utility model has the advantages that: the utility model discloses an inserted cable force transducer owing to adopt last clamping ring, lower clamping ring and a plurality of load cell, for prior art, it is highly minimum, and light in weight, load cell is small and can standardize, and multiplexed output, the reliability of long-term use is high, and processing is convenient, and the cost is low, can concatenate between ground tackle and structure for the pulling force of long-term accurate monitoring cable-stay bridge cable, suspension bridge jib and tie rod arch bridge jib.
Drawings
Fig. 1 is a schematic cross-sectional view of an embedded cable force sensor according to the present invention;
FIG. 2 is a schematic cross-sectional view at I-I of embodiment 1 of the mosaic cable force sensor of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line I-I of embodiment 2 of the embedded cable force sensor of the present invention;
FIG. 4 is a schematic cross-sectional view of the mosaic cable force sensor of FIG. 1 at II-II;
fig. 5 is a partially enlarged schematic view of a portion a of fig. 1.
[ description of reference ]
1: pressing a ring; 2: a lower pressure ring; 3: a load sensor; 4: a cyclic elastomer; 5: a seal ring; 6: and (7) a wire outlet hole.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. In which the terms "upper", "lower", etc. are used herein with reference to the orientation of fig. 1.
Fig. 1 shows a first embodiment of an embedded cable force sensor, which includes an upper press ring 1, a lower press ring 2 stacked up and down, and a plurality of load sensors 3 located between the upper press ring 1 and the lower press ring 2.
As shown in fig. 5, the upper surface of the lower pressure ring 2 is provided with an annular groove, the lower surface of the lower pressure ring 2 is a plane, the outer vertical surface of the lower pressure ring 2 is a cylindrical surface, the cylindrical surface is preferably a cylindrical surface, the middle of the lower pressure ring 2 is provided with a cylindrical hole, and the cylindrical hole is preferably a circular hole. Lower clamping ring 2's top is installed and is gone up clamping ring 1, the upper surface of going up clamping ring 1 is the plane, the lower surface of going up clamping ring 1 corresponds annular groove position department and is equipped with the protruding cyclic annular boss of going into in the annular groove, the high B of cyclic annular boss is greater than the distance C of the upper surface of cyclic annular elastomer 4 to the upper surface of lower clamping ring 2, it is shown to combine fig. 2, be equipped with two mounting grooves on the cyclic annular boss, it has two load sensor 3 to inlay respectively in two mounting grooves, two mounting grooves all are equipped with the radial wire hole 6 that supplies load sensor 3's lead-out wire to pass through. The vertical surface of the outer side of the upper pressure ring 1 is a cylindrical surface, the cylindrical surface is preferably a cylindrical surface, a columnar hole is arranged in the middle of the upper pressure ring, and the columnar hole is preferably a circular hole.
Referring to fig. 4, an annular elastic body 4 is disposed in the annular groove on the upper surface of the lower compression ring 2, the annular elastic body 4 is made of a solid rheological material, and the annular elastic body 4 may be a rubber elastic body or a polyurethane elastic body. The top periphery of the annular elastic body 4 is provided with a side elevation surface of the annular groove and an annular sealing ring 5 contacted with the bottom surface of the annular boss, the cross section of the sealing ring 5 is in an inverted L shape, the top surface of the annular elastic body 4 is abutted against the bottom surface of the annular boss, and the bottom surface of the annular elastic body 4 is abutted against the bottom surface of the annular groove of the lower pressing ring 2.
Fig. 3 shows the utility model discloses an embedded cable force sensor's second kind embodiment, this embedded cable force sensor is equipped with four mounting grooves on the cyclic annular boss of upper compression ring 1 lower surface on embodiment 1's embedded cable force sensor basis, all inlays in four mounting grooves and has load sensor 3.
In order to enable the embedded cable force sensor to monitor the tension of a cable-stayed bridge cable, a suspension bridge suspender and a tie rod arch bridge suspender more accurately and with longer service life, the number of the load sensors 3 arranged on the annular boss on the lower surface of the upper compression ring 1 can be one, two, three, four, five or more.
The utility model discloses an inserted cable force sensor's working process:
the load of the bridge inhaul cable on the lower surface of the lower compression ring 2 under the action of the anchorage device is evenly transmitted to the upper compression ring 1 through the annular elastic body 4 and then transmitted to a bridge structural member supporting the embedded cable force sensor. The annular elastic body 4 evenly distributes the load on the upper surface and the lower surface which are contacted with the annular elastic body, the load sensors 3 generate signal output under the action of evenly distributed pressure, the output signal is in direct proportion to the load acting on the embedded cable force sensor, and otherwise, the load acting on the embedded cable force sensor can be reversely solved by measuring the magnitude of the output signal. The side wall of the annular groove of the lower pressing ring 2 is used for limiting the lateral deformation of the elastic body, and the sealing ring 5 is used for limiting the elastic body to be extruded out from a gap between the annular boss below the upper pressing ring 1 and the annular groove above the lower pressing ring 2.
The utility model discloses an inserted cable force sensor height is minimum, and light in weight, load sensor can standardize, and multiplexed output, the reliability of long-term use is high, and processing is convenient, and the cost is low. The utility model discloses an inserted cable force sensor can concatenate between ground tackle and structure thing for long-term monitoring cable-stay bridge cable, suspension bridge jib and the pulling force of tie rod arch bridge jib.
In the description of the present invention, it is to be understood that 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 implying any 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 present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. An embedded cable force sensor is characterized in that: the embedded cable force sensor comprises an upper pressure ring (1) and a lower pressure ring (2) which are vertically superposed, and a load sensor (3) positioned between the upper pressure ring (1) and the lower pressure ring (2);
an annular groove is formed in the upper surface of the lower compression ring (2), and an annular elastic body (4) is arranged in the annular groove; an annular boss extending into the annular groove is arranged at the position, corresponding to the annular groove, of the lower surface of the upper pressing ring (1), and the height of the annular boss is larger than the distance from the upper surface of the annular elastic body (4) to the upper surface of the lower pressing ring (2); the annular boss is provided with mounting grooves, and the load sensors (3) are embedded in the mounting grooves; the mounting groove is provided with a radial wire outlet hole (6) for leading-out wires of the load sensor (3) to pass through.
2. A mosaic cable force sensor according to claim 1, wherein: the top of annular elastomer (4) is peripheral, be equipped with the side elevation of annular groove and annular seal ring (5) of the bottom surface contact of cyclic annular boss, the transversal personally submitting of sealing washer (5) is "L" shape of falling, the top surface of annular elastomer (4) with the bottom surface of cyclic annular boss is contradicted, the bottom surface of annular elastomer (4) with the bottom surface of annular groove is contradicted.
3. A mosaic cable force sensor according to claim 1 or 2, wherein: the number of the mounting grooves on the annular boss is one or more, and the load sensors (3) are embedded in the one or more mounting grooves.
4. A mosaic cable force sensor according to claim 1 or 2, wherein: the annular elastic body (4) is made of a solid rheological material.
5. A mosaic cable force sensor according to claim 4, wherein: the annular elastomer (4) is a rubber elastomer or a polyurethane elastomer.
6. A mosaic cable force sensor according to claim 1 or 2, wherein: the upper surface of the upper pressing ring (1) is a plane, the outer side vertical surface of the upper pressing ring (1) is a cylindrical surface, and a columnar hole is formed in the middle of the upper pressing ring (1).
7. A mosaic cable force sensor according to claim 6, wherein: the cylindrical surface is a cylindrical surface, and the cylindrical hole is a circular hole.
8. A mosaic cable force sensor according to claim 1 or 2, wherein: the lower surface of the lower pressing ring (2) is a plane, the outer side vertical surface of the lower pressing ring (2) is a cylindrical surface, and a columnar hole is formed in the middle of the lower pressing ring (2).
9. A mosaic cable force sensor according to claim 8, wherein: the cylindrical surface is a cylindrical surface, and the cylindrical hole is a circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750168.8U CN214309238U (en) | 2020-11-24 | 2020-11-24 | Embedded cable force sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022750168.8U CN214309238U (en) | 2020-11-24 | 2020-11-24 | Embedded cable force sensor |
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| CN214309238U true CN214309238U (en) | 2021-09-28 |
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| CN202022750168.8U Active CN214309238U (en) | 2020-11-24 | 2020-11-24 | Embedded cable force sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283250A (en) * | 2023-11-24 | 2023-12-26 | 中裕铁信交通科技股份有限公司 | Bridge cable sensor processing method |
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2020
- 2020-11-24 CN CN202022750168.8U patent/CN214309238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283250A (en) * | 2023-11-24 | 2023-12-26 | 中裕铁信交通科技股份有限公司 | Bridge cable sensor processing method |
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