CN216243447U - Novel strainometer installing support - Google Patents
Novel strainometer installing support Download PDFInfo
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- CN216243447U CN216243447U CN202122874540.0U CN202122874540U CN216243447U CN 216243447 U CN216243447 U CN 216243447U CN 202122874540 U CN202122874540 U CN 202122874540U CN 216243447 U CN216243447 U CN 216243447U
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- strain gauge
- rod
- mounting bracket
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- bar
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Abstract
The utility model discloses a novel strainometer mounting bracket, which relates to the technical field of concrete structure monitoring and comprises an inserted link and a support rod; the inserted bar and the supporting bars are erected on the surface of the cast-in-place concrete, a plurality of supporting bars are sequentially arranged along the axial direction of the inserted bar, a cross bar is arranged between the supporting bars and the inserted bar, and the cross bar is connected with a strain gauge which is arranged along the length direction of the cross bar; the strain gauge is detachably connected with the cross rod; the strain gauge is bound on the cross rod through a binding belt; taking the inserted bar as an original point, and forming an included angle of 90 degrees between at least two of the support bars; by adopting the scheme, the inclination and the angle deflection can be avoided during the subsequent concrete pouring and vibrating, and the deviation of the directions of the sensors of the strain gauge group can be avoided; and the strainometer can be fixed better, and installation direction and angle also can satisfy the design requirement.
Description
Technical Field
The utility model relates to the technical field of concrete structure monitoring, in particular to a novel strain gauge mounting bracket.
Background
In the field of concrete dam safety monitoring, strain monitoring is always the key point of concrete dam monitoring. The stress state of the structural concrete is technically analyzed through strain monitoring, so that the working state of the structure is analyzed and judged, and the operation stability of the dam is evaluated. The strain gauge monitoring instrument is low in manufacturing cost, simple to install and embed and easy to observe and maintain, and is widely applied to the field of concrete dam stress monitoring.
At present, the strain gauges in concrete are generally arranged in groups, a mounting support is needed for fixing the position and the direction, and the strain gauges are pre-embedded and mounted along with filling of a dam body of a concrete dam. The specific installation technical process comprises the following steps: after the dam body is filled to the mounting elevation of the strain gauge group, a shallow hole is vertically drilled on the surface of the cast-in-advance concrete, a single supporting rod of a mounting support is inserted into the hole, the strain gauge is bound on the support along the design direction after the direction is adjusted and fixed, then the subsequent concrete pouring is carried out, and the part adjacent to the instrument mounting is manually vibrated.
The strain gauge bracket fixed by the single inserted bar is difficult to ensure that the subsequent concrete pouring and vibrating do not touch, incline or rotate, so that the installation directions of the sensors of the strain gauge group are deviated, and the design requirements are not met.
The currently used strain gauge group structure mode is difficult to ensure the installation angle and direction of the instrument, although the specified angle can not exceed +/-1 degrees, the installation angle of the instrument is difficult to ensure when the instrument is buried in the field, particularly after concrete is backfilled and vibrated, and an effective method is not available for checking, so that the specified angle error is actually an idle word.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the installation direction of each sensor of a strain gauge group is deviated due to the fact that a strain gauge support fixed by a single inserted link is difficult to ensure that the strain gauge support does not touch, incline or rotate when subsequent concrete pouring is vibrated, and aims to provide a novel joint meter installation device which solves the problem that the installation direction of each sensor of the strain gauge group is deviated.
The utility model is realized by the following technical scheme:
a novel strain gauge mounting bracket comprises an insert rod and a support rod;
the inserted bar and the supporting rods are erected on the surface of the cast-in-place concrete, a plurality of supporting rods are sequentially arranged in the axial direction of the inserted bar, a cross rod is arranged between each supporting rod and the corresponding inserted bar, and a strain gauge is connected to each cross rod and arranged in the length direction of the cross rod.
Compared with the prior art, the strain gauge support fixed by a single inserted bar is difficult to ensure that the mounting directions of sensors of a strain gauge group are not deviated when the subsequent concrete pouring is vibrated, and the design requirements are not met; specifically, after the dam body is filled to the strain gauge group installation height, insert inserted bar and branch on the cast in advance concrete face, and be equipped with a plurality of branches in proper order in the circumferential direction of inserted bar, wherein, it is preferred two branches along circumferential direction, use the inserted bar as the original point, wherein need form the contained angle between the plane that two branches and inserted bar formed, form stable support structure, and be equipped with the horizontal pole between branch and inserted bar, wherein the horizontal pole need set up along the design direction of strainometer, connect the strainometer on the horizontal pole, the strainometer can set up along horizontal pole length direction, it is big to make the contact surface between strainometer and the horizontal pole, connect stably.
Furthermore, the strain gauge and the cross rod are detachably connected; is used for convenient disassembly and secondary utilization.
Further, the strain gauge is bound on the cross rod through a binding belt; and the two ends of the strain gauge are bound on the cross rod through a binding belt, so that the strain gauge can be quickly mounted and dismounted.
Furthermore, an inserted bar is taken as an origin, and an included angle formed between at least two of the support bars is 90 degrees; in this scheme, for the stability of realizing the installing support, wherein the contained angle between the plane that two at least branches and inserted bar formed is 90 degrees to this realizes when branch is only two, also can form the outrigger through the contained angle of 90 degrees, has further avoided each sensor installation direction of strain gauge group to take place the deviation.
Furthermore, a plurality of supporting rods are arranged along the radial direction of the inserted rod, a cross rod is arranged between every two adjacent supporting rods in the supporting rods arranged along the radial direction of the inserted rod, and a strain gauge is connected to each cross rod and arranged along the length direction of each cross rod; in order to increase the number of strain gauges according to design requirements, a plurality of supporting rods can be sequentially arranged in the radial direction of the inserted rod, two adjacent supporting rods are connected through a cross rod, and the strain gauges are mounted on the cross rod.
Furthermore, a plurality of cross rods are sequentially arranged along the length direction of the supporting rod, and strain gauges are arranged on the cross rods; in order to increase the number of the strain gauges according to design requirements, a plurality of transverse cross rods are sequentially arranged in the length direction of the supporting rod, and the strain gauges are mounted on the cross rods.
Furthermore, the cross rods are respectively detachably connected with the inserted rods and the support rods; for quick mounting and dismounting.
Furthermore, the cross bar is made of twisted steel bars; the concrete prestress reinforcing agent is used for meeting the concrete prestress requirement.
Furthermore, the supporting rod adopts a twisted steel bar; the concrete prestress reinforcing agent is used for meeting the concrete prestress requirement.
Further, inserted bar and branch all set up along the plumb line on the cast-in-place concrete face.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the utility model provides a novel strain gauge mounting bracket, which can ensure that no inclination and angle deflection occur during subsequent concrete pouring and vibrating and ensure that no deviation occurs in the direction of each sensor of a strain gauge group; and the strainometer can be fixed better, and installation direction and angle also can satisfy the design requirement.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a novel strain gauge mounting bracket provided by the utility model.
Reference numbers and corresponding part names in the drawings:
1-inserted bar, 2-supporting bar, 3-cross bar and 4-strain gauge.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.
Example 1
The embodiment 1 provides a novel strain gauge 4 mounting bracket, which is shown in fig. 1 and comprises a plug rod 1 and a support rod 2;
inserted bar 1 and branch 2 all erect on the cast-in-place concrete face, follow 1 axial direction of inserted bar is equipped with a plurality of branches 2 in proper order, be equipped with horizontal pole 3 between branch 2 and the inserted bar 1, be connected with strainometer 4 on the horizontal pole 3, strainometer 4 sets up along 3 length direction of horizontal pole.
Compared with the prior art, the strainometer 4 bracket fixed by the single inserted bar 1 is difficult to ensure that the installation directions of all sensors of the strainometer 4 groups are deviated and the design requirements are not met when the subsequent concrete pouring is vibrated, and the scheme provides a novel strainometer 4 mounting bracket; specifically, after the dam body is filled to the installation level of the group of the strain gauges 4, the inserted link 1 and the support rod 2 are inserted into the concrete surface cast in advance, and the plurality of support rods 2 are sequentially arranged in the circumferential direction of the inserted link 1, wherein the preferable two support rods 2 are arranged along the circumferential direction, the inserted link 1 is used as an original point, an included angle needs to be formed between planes formed by the two support rods 2 and the inserted link 1, a stable supporting structure is formed, the cross rod 3 is arranged between the support rods 2 and the inserted link 1, the cross rod 3 needs to be arranged along the design direction of the strain gauges 4, the strain gauges 4 are connected onto the cross rod 3, the strain gauges 4 can be arranged along the length direction of the cross rod 3, the contact surface between the strain gauges 4 and the cross rod 3 is large, and the connection is stable.
In the embodiment, the strain gauge 4 is detachably connected with the cross rod 3; is used for convenient disassembly and secondary utilization.
In this embodiment, the strain gauge 4 is bound on the cross bar 3 by a binding belt; and two ends of the strain gauge 4 are bound on the cross rod 3 through a binding belt, so that the strain gauge can be quickly mounted and dismounted.
In this embodiment, the inserted bar 1 is used as an origin, and an included angle formed between at least two of the support bars 2 is 90 degrees; in this scheme, for the stability of realizing the installing support, wherein the contained angle between the plane that two at least branch 2 and inserted bar 1 formed is 90 degrees to this realizes when branch 2 is only two, also can form the outrigger through the contained angle of 90 degrees, has further avoided each sensor installation direction of 4 groups of strainometer to take place the deviation.
In this embodiment, a plurality of support rods 2 are arranged along the radial direction of the insert rod 1, a cross rod 3 is arranged between two adjacent support rods 2 in the support rods 2 arranged along the radial direction of the insert rod 1, a strain gauge 4 is connected to the cross rod 3, and the strain gauge 4 is arranged along the length direction of the cross rod 3; in order to increase the number of the strain gauges 4 according to design requirements, a plurality of supporting rods 2 can be sequentially arranged in the radial direction of the inserted rod 1, two adjacent supporting rods 2 are connected through a cross rod 3, and the strain gauges 4 are mounted on the cross rod 3.
In the embodiment, a plurality of cross rods 3 are sequentially arranged along the length direction of the support rod 2, and strain gauges 4 are arranged on the cross rods 3; in order to increase the number of the strain gauges 4 according to design requirements, a plurality of transverse cross rods 3 are sequentially arranged in the length direction of the support rod 2, and the strain gauges 4 are mounted on the cross rods 3.
In the embodiment, the cross rod 3 is detachably connected with the inserted rod 1 and the support rod 2 respectively; for quick mounting and dismounting.
In this embodiment, the cross bar 3 is made of a twisted steel bar; the concrete prestress reinforcing agent is used for meeting the concrete prestress requirement.
In this embodiment, the supporting rod 2 is made of twisted steel; the concrete prestress reinforcing agent is used for meeting the concrete prestress requirement.
In this embodiment, the inserting rod 1 and the supporting rod 2 are both arranged along a plumb line on a cast-in-place concrete surface.
The working principle of the scheme is as follows: after the dam body is filled to the installation height of 4 groups of strain gauges, vertically drilling two shallow holes on the surface of the cast-in-advance concrete along the axial line and the distance between the inserting rods 1, respectively inserting the two supporting rods 2 of the installation support into the corresponding holes, after the vertical fixation, binding the strain gauges 4 on the reinforcing steel bar support along the design direction, then performing subsequent concrete pouring, and manually vibrating the adjacent parts of the instrument installation; vertical supporting rods 2 can be added according to needs to conveniently fix the strain gauge 4, and only 2 vertical supporting rods 2 are shown in the scheme.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A novel strain gauge mounting bracket is characterized by comprising an insert rod (1) and a support rod (2);
inserted bar (1) and branch (2) all erect on the cast-in-place concrete face, follow inserted bar (1) axial direction is equipped with a plurality of branches (2) in proper order, be equipped with between branch (2) and inserted bar (1) horizontal pole (3), be connected with strainometer (4) on horizontal pole (3), strainometer (4) set up along horizontal pole (3) length direction.
2. A novel strain gauge mounting bracket according to claim 1, wherein the strain gauge (4) is removably attached to the cross bar (3).
3. A novel strain gauge mounting bracket according to claim 2, characterized in that the strain gauge (4) is bound to the cross bar (3) by a tie.
4. The novel strain gauge mounting bracket according to claim 2, wherein the angle formed between at least two of the struts (2) is 90 degrees with the inserted link (1) as the origin.
5. The novel strain gauge mounting bracket according to claim 1, characterized in that a plurality of support rods (2) are arranged along the radial direction of the insert rod (1), a cross rod (3) is arranged between two adjacent support rods (2) in the support rods (2) arranged along the radial direction of the insert rod (1), the strain gauge (4) is connected to the cross rod (3), and the strain gauge (4) is arranged along the length direction of the cross rod (3).
6. The novel strain gauge mounting bracket as claimed in claim 1, wherein a plurality of cross bars (3) are sequentially arranged along the length direction of the support rod (2), and strain gauges (4) are arranged on the cross bars (3).
7. The novel strain gauge mounting bracket according to claim 1, wherein the cross rod (3) is detachably connected with the inserted link (1) and the support link (2) respectively.
8. The mounting bracket for a strain gauge as claimed in claim 1, wherein the cross bar (3) is a threaded steel bar.
9. The novel strain gauge mounting bracket of claim 1, wherein the strut (2) is a rebar.
10. The novel strain gauge mounting bracket of claim 1, wherein the insert rod (1) and the support rod (2) are arranged along a plumb line on a surface of precast concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874540.0U CN216243447U (en) | 2021-11-22 | 2021-11-22 | Novel strainometer installing support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874540.0U CN216243447U (en) | 2021-11-22 | 2021-11-22 | Novel strainometer installing support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216243447U true CN216243447U (en) | 2022-04-08 |
Family
ID=80954268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122874540.0U Active CN216243447U (en) | 2021-11-22 | 2021-11-22 | Novel strainometer installing support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216243447U (en) |
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2021
- 2021-11-22 CN CN202122874540.0U patent/CN216243447U/en active Active
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