CN217443127U - Hydraulic structure foundation scouring emptying detection device - Google Patents
Hydraulic structure foundation scouring emptying detection device Download PDFInfo
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- CN217443127U CN217443127U CN202220206169.2U CN202220206169U CN217443127U CN 217443127 U CN217443127 U CN 217443127U CN 202220206169 U CN202220206169 U CN 202220206169U CN 217443127 U CN217443127 U CN 217443127U
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- guide rod
- sliding guide
- free sliding
- protective sleeve
- hydraulic structure
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Abstract
The utility model discloses a hydraulic structure foundation scouring emptying detection device, which comprises a free sliding guide rod, a protective sleeve, an expansion base, a pressure sensor and a displacement sensor, wherein the free sliding guide rod is arranged in the protective sleeve in a penetrating way, the free sliding guide rod is in contact with the protective sleeve through a pulley, the bottom of the free sliding guide rod is connected with the expansion base, and the pressure sensor is embedded at the bottom of the expansion base; the top of the free sliding guide rod is higher than the protective sleeve by a certain distance, and a displacement sensor is arranged at the top of the free sliding guide rod and used for monitoring the relative displacement between the free sliding guide rod and the protective sleeve. The utility model discloses a hydraulic structure basis erodees detection device that eludes, simple structure, stability is high, and is with low costs, can wash out the condition of eluviating to hydraulic structure basis bottom and carry out all-weather real-time supervision.
Description
Technical Field
The utility model belongs to the technical field of hydraulic engineering detection device, concretely relates to hydraulic structure basis erodees detection device that eludes.
Background
At present, for the condition of flushing and emptying of the foundation bottom of a hydraulic structure, most of the conditions adopt a periodic detection and evaluation method, namely, the condition of flushing and emptying of the foundation bottom of the hydraulic structure is detected and evaluated at regular intervals, and the condition of flushing and emptying of the foundation bottom is generally judged by a water gyro method, a multi-beam scanning method, a diving exploration method and the like. The methods are static, tedious and high in detection cost, and cannot reflect the condition that the bottom of the foundation is washed and emptied by water flow in real time, so that a detection device capable of detecting the washing and emptying state of the bottom of the hydraulic structure foundation in real time is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's not enough, provide a hydraulic structure basis and erode detection device that eludes, the device simple structure, stability is high, and is with low costs, can erode the circumstances of eluviating and carry out all-weather real-time supervision to hydraulic structure basis bottom.
The utility model discloses a realize through following technical scheme:
a hydraulic structure foundation scouring emptying detection device comprises a free sliding guide rod, a protective sleeve, an expansion base, a pressure sensor and a displacement sensor, wherein the free sliding guide rod is arranged in the protective sleeve in a penetrating mode, the free sliding guide rod is in contact with the protective sleeve through a pulley, the bottom of the free sliding guide rod is connected with the expansion base, and the pressure sensor is embedded in the bottom of the expansion base; the top of the free sliding guide rod is higher than the protective sleeve by a certain distance, and a displacement sensor is arranged at the top of the free sliding guide rod and used for monitoring the relative displacement between the free sliding guide rod and the protective sleeve.
In the technical scheme, the pulley is arranged on the outer wall of the free sliding guide rod through the bracket.
In the above technical solution, a circle of pulley blocks is arranged at a certain distance along the length direction of the free sliding guide rod, and each circle of pulley block preferably includes 4 pulleys.
In the technical scheme, the displacement sensor adopts a magnetic displacement sensor, a matrix of the magnetic displacement sensor is fixed on the outer wall of the free sliding guide rod, a measuring rod of the magnetic displacement sensor extends downwards to a gap between the free sliding guide rod and the protective sleeve, a magnetic ring on the measuring rod is fixedly connected to the protective sleeve, when the free sliding guide rod and the protective sleeve move relatively, the position of the magnetic ring on the measuring rod changes, and the magnetic displacement sensor can obtain the relative displacement data between the free sliding guide rod and the protective sleeve.
In the technical scheme, the free sliding guide rod is a hollow rod, a hollow channel is formed in the free sliding guide rod, and a cable of the pressure sensor is led out upwards along the hollow channel of the free sliding guide rod.
In the technical scheme, the pressure sensor and the displacement sensor of the guide rod monitoring device are in communication connection with the monitoring server in a wired or wireless mode, and the monitoring server analyzes the monitoring data of the guide rod monitoring device in real time.
The utility model discloses an advantage and beneficial effect do:
the utility model discloses a hydraulic structure basis erodees detection device that eludes, simple structure, stability is high, and is with low costs, can wash out the condition of eluviating to hydraulic structure basis bottom and carry out all-weather real-time supervision.
Drawings
Fig. 1 is a front view of the hydraulic structure foundation washing emptying detection device of the present invention.
Fig. 2 is a plan view of the hydraulic structure foundation washing emptying detection device of the present invention.
Fig. 3 is a bottom view of the hydraulic structure foundation washing emptying detection device of the present invention.
Fig. 4 is a schematic view of the mounting structure of the displacement sensor of the present invention.
In the figure: 1. the device comprises a free sliding guide rod, 2, a protective sleeve, 3, an expansion base, 4, a pressure sensor, 5, a pulley and 6, a displacement sensor.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Referring to the attached drawings 1-3, the hydraulic structure foundation scouring emptying detection device comprises a free sliding guide rod 1, a protective sleeve 2, an expansion base 3, a pressure sensor 4, pulleys 5 and a displacement sensor 6, wherein the free sliding guide rod 1 is arranged in the protective sleeve 2 in a penetrating manner, the free sliding guide rod 1 is in contact with the protective sleeve 2 through the pulleys 5, the pulleys 5 are arranged on the outer wall of the free sliding guide rod 1 through a bracket, a circle of pulley blocks are arranged at certain intervals along the free sliding guide rod 1, and each circle of pulley blocks preferably comprises 4 pulleys 5 so as to ensure that the free sliding guide rod 1 can freely slide in the protective sleeve 2; the bottom of the free sliding guide rod 1 is connected with an expansion base 3, a pressure sensor 4 is embedded in the bottom of the expansion base 3, and the bottom of the expansion base 3 is in direct contact with a foundation bed at the bottom of a hydraulic structure foundation; the top of the free sliding guide rod 1 is higher than the protective sleeve 2 by a certain distance, and a displacement sensor 6 is arranged at the top of the free sliding guide rod 1 and used for monitoring the relative displacement between the free sliding guide rod 1 and the protective sleeve 2.
Further, referring to fig. 4, the displacement sensor 6 employs a magnetic displacement sensor, a substrate of the magnetic displacement sensor is fixed on the outer wall of the free sliding guide rod 1, a measuring rod 6.1 of the magnetic displacement sensor extends downward to a gap between the free sliding guide rod 1 and the protective sleeve 2, a magnetic ring 6.2 on the measuring rod 6.1 is fixedly connected to the protective sleeve 2, when the free sliding guide rod 1 and the protective sleeve 2 move relatively, the position of the magnetic ring 6.2 on the measuring rod 6.1 changes, and the magnetic displacement sensor can obtain data of the relative displacement between the free sliding guide rod 1 and the protective sleeve 2.
Further, the free sliding guide rod 1 is a hollow rod, a hollow channel is formed in the free sliding guide rod, and a cable of the pressure sensor 4 is led out upwards along the hollow channel of the free sliding guide rod 1.
The method for carrying out real-time monitoring on the scouring and emptying of the bottom of the hydraulic structure foundation by applying the device for detecting the scouring and emptying of the hydraulic structure foundation comprises the following steps:
the method comprises the following steps: the method comprises the steps of firstly analyzing the stress condition of a hydraulic structure foundation, and determining the point position where a guide rod monitoring device is to be arranged according to the structural characteristics of the hydraulic structure foundation and the stress condition of the foundation. Specifically, the method can be used for calculating and analyzing the scouring area of the bottom of the foundation by combining external conditions such as wind, wave and flow on site through fluid analysis software to determine the danger points and the characteristic points of the bottom of the foundation of the hydraulic structure, which are damaged by scouring.
Step two: and installing the guide rod monitoring device at the determined arrangement point position of the guide rod monitoring device, wherein the guide rod monitoring device can be embedded in the hydraulic structure or attached to the object side surface of the hydraulic structure.
Step three: the method comprises the following steps that real-time monitoring is started by using a guide rod monitoring device, a pressure sensor and a displacement sensor of the guide rod monitoring device are in communication connection with a monitoring server in a wired or wireless mode, the monitoring server analyzes monitoring data of the guide rod monitoring device in real time and judges whether scouring occurs at the bottom of a hydraulic structure foundation, and when a pressure value detected by the pressure sensor at the bottom of the guide rod monitoring device is reduced, the influence of water flow scouring on the bottom of the hydraulic structure foundation is indicated, and a phenomenon of emptying possibly occurs; when the displacement detected by the displacement sensor of the guide rod monitoring device is increased (namely, the displacement of the free sliding guide rod moving downwards under the action of gravity is increased), the situation that the bottom of the hydraulic structure foundation begins to be washed away is shown, and the larger the displacement is, the more serious the water flow washing phenomenon is.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The above description of the invention is given by way of example only, and it is to be understood that any simple modifications, adaptations or equivalent replacements which can be carried out by a person skilled in the art without expending any inventive effort, fall within the scope of protection of the invention, without departing from the core of the invention.
Claims (5)
1. The utility model provides a hydraulic structure basis erodees detection device that eludes, its characterized in that: the device comprises a free sliding guide rod, a protective sleeve, an expansion base, a pressure sensor and a displacement sensor, wherein the free sliding guide rod is arranged in the protective sleeve in a penetrating mode, the free sliding guide rod is in contact with the protective sleeve through a pulley, the bottom of the free sliding guide rod is connected with the expansion base, and the pressure sensor is embedded in the bottom of the expansion base; the top of the free sliding guide rod is higher than the protective sleeve, and a displacement sensor is arranged at the top of the free sliding guide rod and used for monitoring the relative displacement between the free sliding guide rod and the protective sleeve.
2. The hydraulic structure foundation washing emptying detection device as claimed in claim 1, wherein: the pulley is arranged on the outer wall of the free sliding guide rod through a bracket.
3. The hydraulic structure foundation washout emptying detection device according to claim 2, wherein: and a circle of pulley block is arranged at a certain distance along the length direction of the free sliding guide rod, and each circle of pulley block comprises 4 pulleys.
4. The hydraulic structure foundation washing emptying detection device as claimed in claim 1, wherein: the displacement sensor adopts a magnetic displacement sensor, a matrix of the magnetic displacement sensor is fixed on the outer wall of the free sliding guide rod, a measuring rod of the magnetic displacement sensor extends downwards to a gap between the free sliding guide rod and the protective sleeve, and a magnetic ring on the measuring rod is fixedly connected to the protective sleeve.
5. The hydraulic structure foundation washing emptying detection device as claimed in claim 1, wherein: the free sliding guide rod is a hollow rod, a hollow channel is formed in the free sliding guide rod, and a cable of the pressure sensor is led out upwards along the hollow channel of the free sliding guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206169.2U CN217443127U (en) | 2022-01-25 | 2022-01-25 | Hydraulic structure foundation scouring emptying detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220206169.2U CN217443127U (en) | 2022-01-25 | 2022-01-25 | Hydraulic structure foundation scouring emptying detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217443127U true CN217443127U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220206169.2U Active CN217443127U (en) | 2022-01-25 | 2022-01-25 | Hydraulic structure foundation scouring emptying detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217443127U (en) |
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2022
- 2022-01-25 CN CN202220206169.2U patent/CN217443127U/en active Active
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