CN214407900U

CN214407900U - Dam leakage monitoring device

Info

Publication number: CN214407900U
Application number: CN202120438532.9U
Authority: CN
Inventors: 邵博
Original assignee: China Three Gorges Corp
Current assignee: China Three Gorges Corp
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-10-15
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a dam seepage monitoring devices, the inside of drill pipe has the power pipe through the sliding fit cartridge, be fixed with the spiral plate that is the spiral and arrange on the outer wall of drill pipe, the inside bushing pipe is installed through the sliding fit in the inside of power pipe, the internally mounted of bushing pipe has the data pipe, the bottom cartridge of power pipe has the rubber sleeve, the inside nested capillary material layer of installing of rubber sleeve, the internally mounted on capillary material layer has humidity transducer, humidity transducer's top contacts with the bottom of data pipe, the bottom processing of drill pipe has a plurality of jacks, there is the top through many post fixed mounting of inserting on the jack. This monitoring devices can be effectual be used for reservoir dam's leakage monitoring, and it is through directly acting as the drilling rod with the drill pipe and insert the dam body in, utilizes the indirect conduction humidity of capillary material to humidity transducer, judges through humidity change whether the seepage appears in the dam body.

Description

Dam leakage monitoring device

Technical Field

The utility model relates to a dam seepage monitoring technology field, in particular to dam seepage monitoring device.

Background

The leakage detection technology of the reservoir dam is highly valued in China, the problem of dam leakage is always the focus of attention in hydraulic engineering, and a large amount of manpower, financial resources and technology are required to be invested when leakage exploration is carried out. As the reservoir is used for a long time and is overhauled for a long time, a plurality of cracks can appear, and the seepage phenomenon of the reservoir is caused by the erosion problem, so that the structural safety and the seepage-proofing safety of the reservoir are influenced, and once the reservoir breaks a dam and breaks a bank, the life and property safety of surrounding residents can be threatened, and the surrounding environment can be polluted. Therefore, the severity of the problem of reservoir leakage affects the safety of the reservoir dam, and as an important hydraulic engineering, the reservoir plays a great role in national economic construction, so that the reason for the reservoir dam leakage needs to be analyzed, and a proper leakage detection technology is adopted for the reservoir to ensure the normal operation of the reservoir, and the forward rapid development of the reservoir dam leakage technology can be effectively promoted.

There is no effective method for piping or other leakage monitoring of a soil dam, and a dam leakage monitoring device solving the above problems is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome not enough among the above-mentioned prior art, the utility model aims to provide a dam seepage monitoring devices, this monitoring devices can effectually be used for the seepage monitoring of reservoir dam, and it is through directly acting as the drilling rod with the drill pipe and inserting the dam body in, utilizes the indirect conduction humidity of capillary material to humidity transducer, judges through the humidity change whether the seepage appears in the dam body.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: dam seepage monitoring devices, it includes the drill pipe, the inside of drill pipe has the power pipe through the sliding fit cartridge, be fixed with the spiral plate that is the spiral and arranges on the outer wall of drill pipe, the inside of power pipe installs interior bushing pipe through sliding fit, the internally mounted of interior bushing pipe has the data pipe, the bottom cartridge of power pipe has the rubber sleeve, the inside nested capillary material layer of installing of rubber sleeve, the internally mounted on capillary material layer has humidity transducer, humidity transducer's top contacts with the bottom of data pipe, the bottom processing of drill pipe has a plurality of jacks, there is the top through many inserted posts fixed mounting on the jack.

The lining pipe is made of metal or nonmetal pipe materials.

The lining pipe is made of plastic pipe materials by cutting.

And threads are processed between the outer wall of the power pipe and the inner wall of the top of the drill pipe.

The rubber sleeve is in a conical table shape and is of an annular structure, and the conical surface of the rubber sleeve is in contact fit with the lower end of the power pipe.

The humidity sensor is tightly attached to the capillary material layer.

The capillary material layer is made of porous materials.

The capillary material layer is made of porous cloth or a capillary plate.

The utility model discloses there is following beneficial effect:

1. the utility model discloses a directly act as the drilling rod disect insertion dam body with the drill pipe in, utilize the indirect conduction humidity of capillary material layer to humidity transducer, judge whether the seepage appears in the dam body through the humidity change.

2. The power pipe can be used for integrally sinking the humidity sensor and the capillary material layer to the bottom end of the drill pipe, and further the drill pipe is located inside the dam body.

3. The data tube inside the lining tube can play a certain protection role through the lining tube.

4. Through the cooperation between foretell humidity transducer and the capillary material layer, can gather the humidity signal of dam internal portion through the capillary material layer, and then gather the seepage condition of dam internal portion.

5. Through the thread structure, the power pipe can be ensured to descend along the drill pipe in the rotating process, and the humidity sensor is further pushed; in addition, the power pipe synchronously pushes the inserted column, so that the top head is separated from the head of the drill pipe.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a partially enlarged view of the position of the plug in fig. 1 according to the present invention.

Fig. 3 is a partially enlarged view of the top end of fig. 1 according to the present invention.

Fig. 4 is a top view of the plug of the present invention.

Fig. 5 is a bottom view of the drill pipe of the present invention.

Wherein: the device comprises a thread 1, a dam body 2, a drill pipe 3, a spiral plate 4, a power pipe 5, a lining pipe 6, a data pipe 7, a humidity sensor 8, a top 9, a rubber sleeve 10, an insert column 11, an insertion hole 12 and a capillary material layer 13.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Example 1:

as shown in fig. 1 to 5, the dam leakage monitoring device includes a drill pipe 3, a power pipe 5 is inserted into the drill pipe 3 through a sliding fit, a spiral plate 4 arranged spirally is fixed on the outer wall of the drill pipe 3, an inner lining pipe 6 is installed inside the power pipe 5 through a sliding fit, a data pipe 7 is installed inside the inner lining pipe 6, a rubber sleeve 10 is inserted into the bottom end of the power pipe 5, a capillary material layer 13 is installed inside the rubber sleeve 10 in a nested manner, a humidity sensor 8 is installed inside the capillary material layer 13, the top of the humidity sensor 8 is in contact with the bottom end of the data pipe 7, a plurality of insertion holes 12 are processed at the bottom end of the drill pipe 3, and a top 9 is fixedly installed on the insertion holes 12 through a plurality of insertion posts 11. By adopting the leakage monitoring device, the capillary material is used for indirectly conducting humidity to the humidity sensor, and whether the dam body leaks or not is judged through humidity change. The drill pipe 3 is used for replacing the traditional drill rod type structure, so that the device is convenient to arrange and bury, and the structure is more compact through the multilayer tubular structure.

Further, the lining pipe 6 is made of metal or nonmetal pipe material. The lining pipe 6 can well protect the data pipe inside.

Further, the lining pipe 6 is made of a plastic pipe material through cutting.

Further, a thread 1 is processed between the outer wall of the power pipe 5 and the top inner wall of the drill pipe 3. Through the thread structure, the power pipe can be ensured to descend along the drill pipe 3 in the rotating process, and then the humidity sensor 8 is pushed; in addition, the power pipe 5 synchronously pushes the inserted column 11, so that the top head 9 is separated from the head part of the drill pipe 3.

Further, the rubber sleeve 10 is in a conical table shape and is in an annular structure, and the conical surface of the rubber sleeve 10 is in contact fit with the lower end of the power tube 5. The rubber sleeve 10 can be used for sealing the capillary material layer 13 and pushing the plug 9 downwards.

Further, the humidity sensor 8 is closely attached to the capillary material layer 13. Through foretell cooperation mode, guaranteed that capillary material layer 13 can gather the humidity of dam body inside to give humidity transducer 8 through the capillary transmission, and then finally realize humidity detection.

Further, the capillary material layer 13 is made of a porous material. Through foretell material, guaranteed humidity transmission effect, and then improved the monitoring precision.

Further, the capillary material layer 13 is made of porous cloth or a capillary plate.

Furthermore, the capillary material layer is contacted with the humidity sensor, and the locking of the humidity sensor can be released through the transmission of the power tube, so that the humidity sensor is convenient to pull out through the data tube, and the reusability of the humidity sensor is increased.

Furthermore, leakage monitoring of dam body positions at different depths is realized through different drilling depths.

Example 2:

the use method of the dam leakage monitoring device for monitoring dam leakage comprises the following steps:

firstly, positioning a position to be monitored on a dam body 2, and installing a drill pipe 1 at a drill pipe installation part of drilling equipment;

secondly, driving the drill pipe 1 to rotate by utilizing drilling equipment so as to insert the drill pipe 1 into the dam body;

thirdly, inserting the power tube 5 into the drill pipe 1, and driving the humidity sensor 8 to enter the capillary material layer 13 through the power tube 5;

fourthly, separating the drilling equipment, then screwing the power pipe 1, descending the power pipe 5 under the action of the threads on the power pipe 1, further pushing the inserted column 11 by the power pipe 1 so as to separate the top 9 from the bottom end of the drilling pipe 1, simultaneously extruding the rubber sleeve 10 by the power pipe 5, and further extruding the capillary material layer 13 by the rubber sleeve 10 so as to enable the capillary material layer 13 to be tightly attached to the humidity sensor 8;

and fifthly, combining the drill pipe 1 with the drilling equipment again, and then driving the drill pipe 1 to rotate for a certain angle, so that dam body soil enters a gap between the top head 9 and the drill pipe 3 and is contacted with the capillary material layer 13.

Claims

1. The dam leakage monitoring device is characterized by comprising a drill pipe (3), wherein a power pipe (5) is inserted into the drill pipe (3) in a sliding fit manner, a spiral plate (4) which is spirally arranged is fixed on the outer wall of the drill pipe (3), an inner lining pipe (6) is arranged in the power pipe (5) in a sliding fit manner, a data pipe (7) is arranged in the inner lining pipe (6), a rubber sleeve (10) is inserted at the bottom end of the power pipe (5), a capillary material layer (13) is nested and arranged in the rubber sleeve (10), a humidity sensor (8) is arranged in the capillary material layer (13), the top of the humidity sensor (8) is in contact with the bottom end of the data tube (7), the bottom processing of drill pipe (3) has a plurality of jacks (12), there is top (9) through many post (11) fixed mounting on jack (12).

2. The dam leak monitoring device of claim 1, wherein: the lining pipe (6) is made of metal or nonmetal pipe materials.

3. The dam leak monitoring device of claim 1, wherein: the lining pipe (6) is made of plastic pipe materials by cutting.

4. The dam leak monitoring device of claim 1, wherein: and a thread (1) is processed between the outer wall of the power pipe (5) and the inner wall of the top of the drill pipe (3).

5. The dam leak monitoring device of claim 1, wherein: the rubber sleeve (10) is in a conical table shape and is of an annular structure, and the conical surface of the rubber sleeve (10) is in contact fit with the lower end of the power pipe (5).

6. The dam leak monitoring device of claim 1, wherein: the humidity sensor (8) is tightly attached to the capillary material layer (13).

7. The dam leak monitoring device of claim 1 or 6, wherein: the capillary material layer (13) is made of porous materials.

8. The dam leak monitoring device of claim 7, wherein: the capillary material layer (13) is made of porous cloth or a capillary plate.