CN207832108U - A kind of earth and rockfill dam inner horizontal displacement monitor - Google Patents
A kind of earth and rockfill dam inner horizontal displacement monitor Download PDFInfo
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- CN207832108U CN207832108U CN201820028737.8U CN201820028737U CN207832108U CN 207832108 U CN207832108 U CN 207832108U CN 201820028737 U CN201820028737 U CN 201820028737U CN 207832108 U CN207832108 U CN 207832108U
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- earth
- measuring
- horizontal displacement
- steel wire
- inner horizontal
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Abstract
The utility model belongs to geotechnical engineering monitoring technical field, more particularly to a kind of earth and rockfill dam inner horizontal displacement monitor.A kind of earth and rockfill dam inner horizontal displacement monitor of the utility model; including observing room; the observation room is internally provided with measuring platform; the observation room wall is equipped with opening; the opening is equipped with protection pipe; the measuring platform is equipped with several groups displacement measuring equipment; the displacement measuring equipment includes the mangneto formula displacement meter being mounted on measuring platform and indium steel wire; the mangneto formula displacement meter includes sensor; magnet ring; measuring staff and transmission cable are cased with magnet ring on the measuring staff, and the magnet ring is fixed on by fixture on indium steel wire.A kind of earth and rockfill dam inner horizontal displacement monitor of the utility model substantially reduces cost of labor, has many advantages, such as that work efficiency is high, stability is good, precision is high, good reliability, never wornout.
Description
Technical field
The utility model belongs to geotechnical engineering monitoring technical field, more particularly to a kind of earth and rockfill dam inner horizontal displacement monitoring
Device.
Background technology
In rock fill dam construction and runtime, it is often necessary to be monitored to dam inner horizontal displacement, to understand different height
Horizontal displacement at journey, different section, it is ensured that engineering safety.Earth and rockfill dam inner horizontal displacement monitoring is mainly used to draw and be opened at present
Wire type horizontal displacement meter method, i.e., on preset measuring point elevation, level is laid with the coating steel pipe that can freely stretch, from each default survey
Point draws indium steel wire（In protection pipe）, until punctuate is fixed in observation room, through leading block, weight is hung in lead-out wire end,
When measuring point occurred level displacement, steel wire movement is driven, measures the opposite position of steel wire with vernier caliper at fixed punctuate
It moves.But this method, which exists, uses limitation and shortcomings：（1）Be fixed on carriage on steel wire and vernier caliper friction compared with
Greatly, oily, tedious process is needed when observation；（2）Artificial survey reads low precision, and labor intensity is big, and working efficiency is low；（3）Platform
Wind or rainstorm weather, especially night, the upper dam observation danger coefficient of personnel are high；（4）Artificial observation cannot achieve real-time, lasting sight
It surveys, it is difficult to meet the needs of Water Conservancy Information development.
Invention content
To solve the earth and rockfill dam inner horizontal displacement monitoring prior art in observed efficiency, accuracy of observation and automation collection etc.
The problems of aspect, the utility model provide a kind of earth and rockfill dam inner horizontal displacement monitor.
The technical scheme that the utility model is provided is as follows：
A kind of earth and rockfill dam inner horizontal displacement monitor, including observation room, the observation room are internally provided with measuring platform,
The observation room is equipped with opening, and the opening is equipped with protection pipe, and the measuring platform is equipped with several groups displacement measurement
Equipment, the displacement measuring equipment include the mangneto formula displacement meter being mounted on measuring platform and indium steel wire, the mangneto formula
Displacement meter includes sensor, magnet ring, measuring staff and transmission cable, and magnet ring is cased on the measuring staff, and the magnet ring passes through fixture
It is fixed on indium steel wire.
The mangneto formula displacement meter is fixed on by preceding clip and rear clip on measuring platform.
The side of the indium steel wire hangs with weight by directive wheel.
Described indium steel wire one end is fixed on anchor plate, and the other end passes through noseplate, is connected with weight by directive wheel.
The protection pipe is connected by expansion joint with anchor plate, and the protection pipe is for protecting indium steel wire.
The expansion joint is used to ensure between anchor plate and protection pipe moving freely in the horizontal direction.
The anchor plate is mounted on predetermined point position inside dam, and the anchor plate is solid by flange with expansion joint
It connects.
The mangneto formula displacement meter is fixed on by preceding clip and rear clip on measuring platform.
Described indium steel wire one end is fixed on anchor plate, and the other end passes through noseplate, is connected with heavy phase is hung by directive wheel,
Such as counterweight so that indium steel wire keeps straight condition.
It is equipped with threading hole in the middle part of the noseplate, quantity and the indium steel wire radical of threading hole match.
The preceding clip is single tube clip, and pore diameter matches with measuring staff diameter.
The fixture pore diameter matches with indium steel wire diameter.
The rear clip is single tube clip, and pore diameter matches with sensor diameter.
Described transmission cable one end is connected with mangneto formula displacement meter, and one end is connected with outer harvesting portion.
At the measuring point of dam inside when occurred level displacement, indium steel wire is driven to move, and then drives magnet ring is front and back to move
It is dynamic, it changes so as to cause the distance between magnet ring and sensor, then compared with initial distance, you can calculate at measuring point
The horizontal displacement of dam.
The utility model provides a kind of earth and rockfill dam inner horizontal displacement monitor, utilizes non-the connecing of mangneto formula displacement meter
Touch measuring principle measures the variation of distance between magnet ring and sensor, obtains horizontal displacement at measuring point, while by branched
Mangneto formula displacement meter can measure the horizontal displacement at same elevation different measuring points inside dam side by side.
A kind of earth and rockfill dam inner horizontal displacement monitor of the utility model, has the following advantages：
1. the utility model uses mangneto formula displacement meter so that the utility model have may be implemented it is real-time, continuous from
Dynamic monitoring, the advantages of substantially reducing cost of labor and work efficiency is high.
2. the utility model uses mangneto formula displacement meter so that the utility model is with work efficiency is high, stability
Good, precision height, never wornout advantage.
3. the utility model is simple in structure so that install also relatively simple convenience.
The utility model effectively overcomes shortcoming and defect existing in the prior art, is widely portable to inside earth and rockfill dam
In horizontal displacement monitoring, it is with a wide range of applications.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of earth and rockfill dam inner horizontal displacement monitor of the present embodiment；
Fig. 2 is a kind of vertical view of earth and rockfill dam inner horizontal displacement monitor of the present embodiment；
In figure：1- indium steel wires；2- anchor plates；3- protection pipes；4- noseplates；5- mangneto formula displacement meters；51- magnet rings；52- is surveyed
Bar；53- sensors；54- transmission cables；Clip before 61-；62- fixtures；Clip after 63-；7- measuring platforms；71- steel frameworks；72-
Directive wheel；73- counterweights；8- observes room；9- expansion joints.
Specific implementation mode
It is further detailed with reference to Fig. 1 and Fig. 2, a kind of earth and rockfill dam inner horizontal displacement monitor, including
Room 8 is observed, the observation room 8 is internally provided with measuring platform 7, and 8 wall of observation room is equipped with opening, the opening
Equipped with protection pipe 3, the measuring platform 7 is equipped with several groups displacement measuring equipment, and the displacement measuring equipment includes installation
The meter of mangneto formula displacement 5 on measuring platform and indium steel wire 1, the mangneto formula displacement meter 5 include sensor 53, and magnet ring 51 is surveyed
Bar 52 and transmission cable 54 are cased with magnet ring 51 on the measuring staff 52, and the magnet ring 51 is fixed on indium steel wire 1 by fixture 62
On.The protection pipe 3 is connected by expansion joint 9 with anchor plate 2, and the protection pipe 3 is for protecting indium steel wire 1.
The expansion joint 9 is used to ensure between anchor plate 2 and protection pipe 3 moving freely in the horizontal direction.
The ditching after dam filing to predetermined elevation of the anchor plate 2, expansion joint 9 and protection pipe 3 is embedded, ditch bottom surface
Plane.
The anchor plate 2 is embedded in predetermined point position inside dam, and the anchor plate 2 is one piece of rectangular steel plates, in anchor
Open row's threading hole in the center of solid plate 2.
The mangneto displacement meter 5 is fixed on by preceding clip 61 and rear clip 63 on measuring platform 7.
Described 1 one end of indium steel wire is fixed on anchor plate 2, and the other end passes through noseplate 4, passes through directive wheel 72 and extension weight
It is connected, such as counterweight 73 so that indium steel wire 1 keeps straight condition..
4 middle part of noseplate is equipped with threading hole, and quantity and 1 radical of indium steel wire of threading hole match.
The preceding clip 61 is single tube clip, and pore diameter matches with 52 diameter of measuring staff.
62 pore diameter of fixture matches with 1 diameter of indium steel wire.
The rear clip 63 is single tube clip, and pore diameter matches with 53 diameter of sensor.
The protection pipe 3 generally uses coating steel pipe, caliber to be generally 120mm, 1~3m of length；The protection pipe 3 is used for
Indium steel wire 1 and surrounding soil are separated.
The expansion joint 9 is that a kind of one end carries ring flange, the outer diameter short tube more bigger than protection pipe outside diameter, forefront
The anchor plate 2 of measuring point and expansion joint 9 are affixed by ring flange, remaining measuring point anchor plate 2 is clipped in two expansion joint ring flanges
Between, and it is affixed；
The noseplate 4 is a disk made of stainless steel plate, and disk is connect by screw thread with protection pipe 3, separated time
4 middle part of disk is equipped with threading hole, and quantity and 1 radical of indium steel wire of threading hole match.
The measuring platform 7 is equipped with steel framework 71, directive wheel 72, counterweight 73, and the steel framework 71 is fixed in lower margin
On bolt, the directive wheel 72 is fixed on steel framework, and described 1 one end of indium steel wire is fixed on anchor plate 2, and the other end passes through
The directive wheel 72 and the counterweight 73 are affixed, and the counterweight 73 is for stretching indium steel wire；
The mangneto formula displacement meter 5 includes sensor 53, measuring staff 52, magnet ring 51, transmission cable 54,53 He of the sensor
Measuring staff 52 is fixed in by fixation kit on measuring platform 7, and the measuring staff 52 and the sensor 53 are affixed, the transmission cable 54
One end connects sensor 53, the external automation collection equipment of other end connection；The magnet ring 51 is fixed in indium steel wire 1 by fixture
On；The mangneto formula displacement meter 5 branched can be side by side fixed on the measuring platform 7 according to preset measuring point quantity.
The preceding clip 61 is single tube clip, and top pore diameter matches with measuring staff diameter, lower part by bolt and
Measuring platform 7 is affixed；The fixture pore diameter directly matches with indium steel wire, and affixed by fixed screw and indium steel wire 1；
The rear clip 63 is single tube clip, and top pore diameter matches with sensor diameter, and lower part passes through bolt and measuring platform 7
It is affixed.
Mangneto displacement meter 5, preceding clip 61, rear clip 63, directive wheel 72, counterweight 73 and the indium steel wire 1 constitutes one
A displacement measuring equipment.Multiple displacement measuring equipments can be arranged in the utility model, measure predetermined elevation, predetermined section inside dam
The horizontal displacement at place.
At the measuring point of dam inside when occurred level, indium steel wire 1 is driven to move, and then drives magnet ring 51 is front and back to move
It is dynamic, it changes so as to cause the distance between magnet ring 51 and sensor 53, then compared with initial distance, you can calculate survey
The horizontal displacement of dam at point.
The utility model provides a kind of earth and rockfill dam horizontal displacement monitoring device and method, utilizes mangneto formula displacement meter 5
Non-contact measurement principle measures the variation of distance between magnet ring 51 and sensor 53, obtains horizontal displacement at measuring point, simultaneously
The horizontal displacement of predetermined elevation, predetermined section part inside dam can be measured side by side by branched mangneto formula displacement meter 5.It is a whole set of
Monitoring device installation is simple and convenient, by automation collection equipment, real-time, automatic monitor for continuously may be implemented, substantially reduce people
Work cost has many advantages, such as that work efficiency is high, stability is good, precision is high, good reliability, never wornout.The utility model is effective
Shortcoming and defect existing in the prior art is overcome, is widely portable in soil internal horizontal displacement monitoring, is had extensive
Application value.
Claims (6)
1. a kind of earth and rockfill dam inner horizontal displacement monitor, it is characterised in that：Including observing room, set inside the observation room
There are measuring platform, the observation room to be equipped with opening, the opening is equipped with protection pipe, and the measuring platform is equipped with several groups
Displacement measuring equipment, the displacement measuring equipment include be mounted on measuring platform on mangneto formula displacement meter and indium steel wire, it is described
Mangneto formula displacement meter include sensor, magnet ring, measuring staff and transmission cable, magnet ring, the magnet ring are cased on the measuring staff
It is fixed on indium steel wire by fixture.
2. a kind of earth and rockfill dam inner horizontal displacement monitor as described in claim 1, it is characterised in that：The protection pipe
It is connected with anchor plate by expansion joint.
3. a kind of earth and rockfill dam inner horizontal displacement monitor as described in claim 1, it is characterised in that：The mangneto formula
Displacement meter is fixed on by preceding clip and rear clip on measuring platform.
4. a kind of earth and rockfill dam inner horizontal displacement monitor as described in claim 1, it is characterised in that：The indium steel wire
Side weight is hung with by directive wheel.
5. a kind of earth and rockfill dam inner horizontal displacement monitor as described in claim 1, it is characterised in that：The indium steel wire
One end is fixed on anchor plate, and the other end passes through noseplate, is connected with weight by directive wheel.
6. a kind of earth and rockfill dam inner horizontal displacement monitor as claimed in claim 5, it is characterised in that：The noseplate
Middle part is equipped with threading hole, and quantity and the indium steel wire radical of threading hole match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028737.8U CN207832108U (en) | 2018-01-09 | 2018-01-09 | A kind of earth and rockfill dam inner horizontal displacement monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028737.8U CN207832108U (en) | 2018-01-09 | 2018-01-09 | A kind of earth and rockfill dam inner horizontal displacement monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832108U true CN207832108U (en) | 2018-09-07 |
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ID=63392242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820028737.8U Active CN207832108U (en) | 2018-01-09 | 2018-01-09 | A kind of earth and rockfill dam inner horizontal displacement monitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894136A (en) * | 2022-04-25 | 2022-08-12 | 中广核工程有限公司 | Double-containment inner shell displacement measuring system and measuring method |
-
2018
- 2018-01-09 CN CN201820028737.8U patent/CN207832108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114894136A (en) * | 2022-04-25 | 2022-08-12 | 中广核工程有限公司 | Double-containment inner shell displacement measuring system and measuring method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Chengfa Inventor after: Yu Huanfei Inventor after: Chen Lin Inventor after: Yu Shisong Inventor after: Xu Xiaochen Inventor after: Ge Guochang Inventor after: Gao Shang Inventor after: Li Hongqiang Inventor before: Deng Chengfa Inventor before: Yu Hengfei Inventor before: Chen Lin Inventor before: Yu Shisong Inventor before: Xu Xiaochen Inventor before: Ge Guochang Inventor before: Gao Shang Inventor before: Li Hongqiang |