CN212340162U - Magnetic induction dam deformation monitoring devices - Google Patents
Magnetic induction dam deformation monitoring devices Download PDFInfo
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- CN212340162U CN212340162U CN202021614490.1U CN202021614490U CN212340162U CN 212340162 U CN212340162 U CN 212340162U CN 202021614490 U CN202021614490 U CN 202021614490U CN 212340162 U CN212340162 U CN 212340162U
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- magnetostrictive displacement
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Abstract
The utility model discloses a magnetic induction dam deformation monitoring devices. The device comprises a measuring foundation pile, a wire clamping device, a steel wire, a magnetostrictive displacement meter and a magnetic ring; the steel wire is connected with the magnetic ring in series, then tightened and fixed on the measuring foundation piles of the mountain bodies at the two ends of the dam through the wire clamping device, the magnetostrictive displacement meters are vertically or horizontally arranged on each measuring point of the dam measuring wire, and the magnetostrictive displacement meters and the steel wire are positioned on the same plane or are orthogonal, so that the magnetostrictive displacement meters and the dam body form a deformation consistent body; the magnetic ring is sleeved on a waveguide rod of the magnetostrictive displacement meter and keeps freely stretching. The utility model discloses the structure principle is simple reliable, and convenient operation can be used to the dam and subsides and the displacement is surveyd to high accuracy magnetostrictive displacement meter is used to the accessible, satisfies existing standard to the required precision of dam deformation observation, and the automation module can be connected and the automation and the informationization of measuring are realized, have improved measurement of efficiency greatly, but wide application is in the dam deformation monitoring.
Description
Technical Field
The utility model relates to a dam deformation monitoring technology field specifically is a magnetic induction dam deformation monitoring devices.
Background
The reservoir dam plays an important role in disaster prevention and reduction in national economic construction, and the operation working state of the dam can be accurately known only by a dam safety monitoring technology; with the advance of intellectualization and informatization management, the realization of automation of dam deformation monitoring is one of the important development trends of reservoir dam safety monitoring at present. At present, the deformation monitoring of the reservoir dam is mainly realized by observing or regularly inspecting by utilizing instruments such as a level gauge, a total station and the like manually, so that the deformation state of the dam is mastered, and the automation and informatization of the deformation monitoring of the dam cannot be realized in a large area.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, adapt to dam deformation monitoring electrification, automatic monitoring requirement, satisfy the requirement of dam deformation monitoring precision, range, the utility model discloses utilize the steel wire line that dam body both ends mountain foundation pile was tightened to embolia cyclic annular magnetic ring as the relatively motionless point, fix the magnetostrictive displacement meter on the dam body measuring point, form dam body and magnetostrictive displacement meter deformation uniform, the dam body warp the relative flexible deformation that drives magnetic ring and waveguide pole this moment, realizes the final purpose of dam deformation monitoring. Present magnetostrictive displacement meter's observation precision, range, reliability all satisfy current dam deformation monitoring standard requirement, the utility model discloses a dam deformation monitoring provides an effectual automatic monitoring approach.
The utility model provides a technical scheme does: a magnetic induction dam deformation monitoring device comprises a measuring foundation pile, a wire clamping device, a steel wire, a magnetostrictive displacement meter and a magnetic ring; the steel wire is connected with the magnetic ring in series, then tightened by the wire clamping device and fixed on the measuring foundation piles arranged on the mountain bodies at the two ends of the dam, the magnetostrictive displacement meters are vertically or horizontally arranged on each measuring point of the dam measuring line, and the magnetostrictive displacement meters and the steel wire are kept to be positioned on the same plane or orthogonal, so that the magnetostrictive displacement meters and the dam bodies form a deformation consistent body; the magnetic ring is freely sleeved on a waveguide rod of the magnetostrictive displacement meter and keeps freely stretching; the wire clamping device comprises a wire clamping disc, a wire clamping fixing top cover and a wire fixing triangular groove, the wire clamping disc is poured on the top of the measuring foundation pile, a steel wire penetrates through the wire fixing triangular groove arranged on the wire clamping disc and then is fixed on the wire clamping disc, and the wire clamping fixing top cover is fixed on the wire fixing triangular groove through screws.
When the magnetostrictive displacement meter at the measuring point deforms, the magnetic ring and the waveguide rod are caused to deform in a telescopic mode, the telescopic quantity is electrically measured through the magnetic induction element head, and automation of dam deformation monitoring is achieved.
The utility model discloses beneficial effect does: the utility model discloses a locate the measuring foundation pile at dam body both ends and tighten the steel wire line, steel wire line and concatenate the magnetic ring on it this moment be relative motionless point, warp through the dam body and drive the relative flexible deformation of magnetic ring along the ripples guide arm, realize the final purpose of dam deformation monitoring. Precision, range, the reliability that present magnetostrictive displacement meter surveyed all can satisfy current dam deformation monitoring standard requirement, the utility model discloses a dam deformation monitoring provides an effective way. The utility model discloses the structure principle is simple reliable, and convenient operation can be used to the dam and warp the observation survey, satisfies the dam and warp the requirement of observing precision, range and reliability, can connect automatic module and realize measuring automation, has improved measurement of efficiency greatly, but wide application in dam deformation safety monitoring.
Drawings
Fig. 1 is a schematic layout of the apparatus of the present invention;
FIG. 2 is a schematic structural view of a wire clamping device of the present invention;
fig. 3 is a schematic structural view of the magnetostrictive displacement gauge of the device of the present invention.
In the figure: 1-measuring foundation piles; 2-a wire clamping device; 21-wire clamping disc; 22-clamping the wire to fix the top cover; 23-fixing a triangular groove; 3-a steel wire; 4-a magnetostrictive displacement gauge; 41-magnetic sensing element head; 42-waveguide rod; 5-a magnetic ring; 6-dam body measuring point.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model relates to a magnetic induction dam deformation monitoring device, which comprises a measuring foundation pile 1, a wire clamping device 2, a steel wire 3, a magnetostrictive displacement meter 4 and a magnetic ring 5; the steel wire 3 is connected with the magnetic ring 5 in series, tightened by the wire clamping device 2 and fixed on the measuring foundation piles 1 of the mountain bodies at two ends of the dam, the magnetostrictive displacement meters 4 are vertically or horizontally arranged on each measuring point of the dam measuring line, and the magnetostrictive displacement meters 4 and the steel wire 3 are positioned on the same plane or are orthogonal so that the magnetostrictive displacement meters 4 and the dam body form a deformation consistent body; the magnetic ring 5 is sleeved on the waveguide rod 42 of the magnetostrictive displacement meter 4 and keeps freely stretching; the wire clamping device 2 comprises a wire clamping disc 21, a wire clamping fixing top cover 22 and a wire fixing triangular groove 23; the wire clamping disc 21 is poured on the top of the foundation pile 1 with two ends measured, the steel wire 3 penetrates through the wire fixing triangular groove 23 formed in the wire clamping disc 21 and then is fixed to the wire clamping disc 21, and the wire clamping fixing top cover 22 is fixed to the wire fixing triangular groove 23 through screws.
When the magnetostrictive displacement meter 4 at the measuring point deforms, the magnetic ring 5 and the waveguide rod 42 are caused to deform in a telescopic mode, the telescopic amount is electrically measured through the magnetic sensing element head 41, and automation of dam deformation monitoring is achieved.
Utilize the utility model discloses the method step of monitoring is as follows:
a. respectively pouring measuring foundation piles 1 on mountain bedrocks at two ends of the dam to form a dam body deformation measuring line;
b. pouring a wire clamping disc 21 of the wire clamping device 2 on the top of the measuring foundation pile 1, and enabling two wire fixing triangular grooves 23 to be located on a measuring line;
c. arranging measuring points on a dam body measuring line according to measuring requirements, and vertically or horizontally fixedly installing a magnetostrictive displacement meter 4 on a dam body measuring point 6 so as to enable the magnetostrictive displacement meter 4 and the dam body to form a deformation consistent body;
d. selecting steel wire wires 3 with different diameters according to the length of the dam body and the number of observation points, penetrating the steel wire wires 3 into the edge of the magnetic ring 5, and connecting the steel wire wires 3 with the magnetic ring 5 in series;
e. sleeving the magnetic ring 5 on a waveguide rod 42 in the magnetostrictive displacement meter 4, tightening the steel wire 3 and fixing the steel wire in a wire clamping device 2 arranged at the top of the measuring foundation pile 1, and keeping the magnetic ring 5 within the effective range of the waveguide rod 42 all the time;
f. fixing the wire clamping fixing top cover 22 on the wire clamping disc 21, starting daily measurement, wherein the stretching deformation of the magnetostrictive displacement meters 4 is the dam deformation displacement in the direction, and the magnetostrictive displacement meters 4 in different directions can be installed to measure the dam displacement deformation in different directions.
The above embodiments are described in connection with the accompanying drawings, but the present invention can not be understood as the limitation of the scope of the invention, and it should be noted that, for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the invention, and all of them belong to the protection scope of the invention.
Claims (2)
1. The utility model provides a magnetic induction dam deformation monitoring devices which characterized in that: the device comprises a measuring foundation pile, a wire clamping device, a steel wire, a magnetostrictive displacement meter and a magnetic ring; the steel wire is connected with the magnetic ring in series, tightened by the wire clamping device and fixed on the measuring foundation piles of the mountain bodies at two ends of the dam, the magnetostrictive displacement meters are vertically or horizontally arranged on each measuring point of the dam measuring line, and the magnetostrictive displacement meters and the steel wire are positioned on the same plane or are orthogonal, so that the magnetostrictive displacement meters and the dam body form a deformation consistent body; the magnetic ring is sleeved on a waveguide rod of the magnetostrictive displacement meter and keeps freely stretching.
2. The magnetic induction dam deformation monitoring device of claim 1, wherein: the wire clamping device comprises a wire clamping disc, a wire clamping fixing top cover and a wire fixing triangular groove; the wire clamping disc is poured on the top of the measuring foundation pile, the steel wire penetrates through a wire fixing triangular groove formed in the wire clamping disc and then is fixed to the wire clamping disc, and the wire clamping fixing top cover is fixed to the wire fixing triangular groove through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021614490.1U CN212340162U (en) | 2020-08-06 | 2020-08-06 | Magnetic induction dam deformation monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021614490.1U CN212340162U (en) | 2020-08-06 | 2020-08-06 | Magnetic induction dam deformation monitoring devices |
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| Publication Number | Publication Date |
|---|---|
| CN212340162U true CN212340162U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021614490.1U Active CN212340162U (en) | 2020-08-06 | 2020-08-06 | Magnetic induction dam deformation monitoring devices |
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| CN (1) | CN212340162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118031896A (en) * | 2024-04-15 | 2024-05-14 | 河南中原黄河工程有限公司 | Reservoir dam deformation monitoring device |
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2020
- 2020-08-06 CN CN202021614490.1U patent/CN212340162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118031896A (en) * | 2024-04-15 | 2024-05-14 | 河南中原黄河工程有限公司 | Reservoir dam deformation monitoring device |
| CN118031896B (en) * | 2024-04-15 | 2024-06-11 | 河南中原黄河工程有限公司 | Reservoir dam deformation monitoring device |
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