CN106949859B - Device and method for detecting drainage pipeline inside logging chamber under condition of high water level - Google Patents
Device and method for detecting drainage pipeline inside logging chamber under condition of high water level Download PDFInfo
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- CN106949859B CN106949859B CN201710135733.XA CN201710135733A CN106949859B CN 106949859 B CN106949859 B CN 106949859B CN 201710135733 A CN201710135733 A CN 201710135733A CN 106949859 B CN106949859 B CN 106949859B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The invention provides a device for detecting a drainage pipeline inside a logging chamber under the condition of a high water level, which comprises a support (1) and a sonar cylinder (2) which are connected by a steel wire rope (3) from top to bottom, wherein the sonar cylinder (2) is connected with a cable disc (5) through a cable (4), the cable disc (5) is connected with a control platform (6) for displaying sonar images, and the control platform (6) is electrically connected with a power supply (7). And further provides a detection method adopting the device. Need not artifical entering well, can solve the ponding depth and the inside difficult problem of pinpointing data such as drain pipe size, buried depth of well chamber darker great inspection shaft.
Description
Technical Field
The invention belongs to the technical field of pipeline detection, and particularly relates to a device and a method for detecting an internal drainage pipeline of a well chamber under the condition of high water level.
Background
In the detection process of the underground pipeline, the rain and sewage pipeline accounts for more than 40% of the underground pipeline, particularly the specific size of the dry pipe belongs to key data, and the influence on later-stage modification design, maintenance and the like is large.
In the exploration process of drainage pipe network, the common L type graduated flask of universal adoption in the trade to the great rain sewage inspection shaft of inspection shaft well room, because the angle problem, can't touch the upper wall and the lower wall of the drain pipe (the culvert) in the inspection shaft wall simultaneously, can not effectively pinpoint the pipe diameter of this drain pipe (the culvert), burial depth.
Aiming at a large well chamber, parameters such as pipe diameter and the like can be determined by adopting video camera modes such as pipeline CCTV (closed circulating fluid) and the like when no water exists, but the parameters are limited by underground space, most of drainage pipelines are deeper and deeper at present, the running water level is higher and higher, and the pipeline size can be measured only by a diver going into the well.
According to engineering experience, the time for a diver to go into the well is limited, safety risks exist, touch feeling can only be basically relied on, and the precision of measured pipe diameter and burial depth data is poor.
Disclosure of Invention
In view of this, the invention provides a device and a method for detecting an internal drainage pipe of a well chamber under the condition of a high water level, which solve the problem that the data of the size and the burial depth of the drainage pipe (culvert) cannot be accurately found out in an inspection well with deep water accumulation and large well chamber depth.
The invention provides a device for detecting a drainage pipeline in a well chamber under the condition of a high water level, which comprises a support and a sonar cylinder, wherein the support and the sonar cylinder are connected by a steel wire rope from top to bottom, the sonar cylinder comprises a sonar probe and a protection device outside the sonar probe, the sonar cylinder is connected with a cable disc through a cable, the cable disc is connected with a control platform for displaying sonar images, and the control platform is electrically connected with a power supply.
Preferably, the top end of the bracket is provided with a pulley, and the steel wire rope is wound on the pulley.
Further preferably, the support comprises four support rods, and the top ends of the support rods are connected with the pulleys.
Preferably, the bottom end of the sonar cylinder is provided with a balancing weight.
Further preferably, the weight of the balancing weight is 5kg.
The invention provides a detection method for detecting the drainage pipeline device in the well chamber under the condition of higher water level, which comprises the following steps:
s1, fixing a support above a shaft, placing a sonar cylinder below a water surface in a well, and controlling the sonar cylinder to vertically descend at a speed of 0.05-0.1m/S by pulling a steel wire rope and shaking a cable disc;
s2, observing a sonar image of the sonar control platform, and adjusting the descending speed of the sonar cylinder to be 0-0.05m/S when the drainage pipe imaging appears in the outer contour of the inspection well;
s3, when the imaging of the drain pipe is changed from small to large and then gradually changed from small to small, the sonar cylinder stops advancing; lifting the sonar cylinder to adjust the position, and stopping adjusting the position of the sonar cylinder when the imaging of the drain pipe is maximum; the size of the outer frame of the image read on the control platform is the size of the inside of the well chamber, the imaging size of the drainage pipe is the size of the drainage pipe, and the advancing total length of the cable is the buried depth of the center of the pipeline.
The invention has the beneficial effects that:
1. the method can find the pipe diameters and the buried depths of the drainage pipelines in all well chambers with deep water accumulation, and the data is more reliable and accurate than that of the conventional detection method.
2. And a diver is not needed to go into the well, so that the safety risk is low.
3. The pipe diameter can be found out fast, 80% time is saved than the diver getting the pipe diameter into the well, raise the efficiency.
4. And meanwhile, the size of the well chamber of the inspection well can be effectively detected.
Drawings
FIG. 1 is a schematic view of a drainage pipeline detection device inside a well chamber according to the present invention;
FIG. 2 is an imaging schematic of the manipulation platform;
wherein, 1 is the support, 2 is the sonar section of thick bamboo, 3 is wire rope, 4 is the cable conductor, 5 is the cable dish, 6 is the control platform, 7 is the power, 8 is the pulley, 9 is the balancing weight, 10 is the pit shaft, 11 is the outline formation of image of inspection shaft, 12 is the drain pipe formation of image.
Detailed Description
The present invention will be further described with reference to the following embodiments.
The utility model provides a device of inside drainage pipe of exploration logging chamber under higher condition of water level, includes from top to bottom with support 1, sonar section of thick bamboo 2 that wire rope 3 connects as attached figure 1, sonar section of thick bamboo 2 includes the outside protection device of sonar probe and sonar probe, and is specific, protection device is the inside protection section of thick bamboo that can hold the sonar probe for the protection sonar probe can bear the free fall of 5 meters height and fall, makes things convenient for the counter weight simultaneously, 2 bottoms of sonar section of thick bamboos are provided with weight 9 for 5kg, counter weight 9 passes through wire rope with sonar section of thick bamboo 2 and is connected. The top end of the support 1 is provided with a pulley 8, the steel wire rope 3 is wound on the pulley 8, specifically, the support 1 comprises four support rods, and the top ends of the support rods are connected with the pulley 8.
The sonar cylinder 2 is connected with the cable reel 5 through a cable 4, specifically, the top of the sonar cylinder 2 is connected with the cable 4 through a screw, and a standard cable port for signal transmission is arranged in the screw.
The cable 4 is connected with the cable disc 5, the advancing length of the cable is controlled by the rotation of the cable disc 5, and the advancing length of the cable can be accurately controlled by a counter of the cable disc.
The cable reel 5 is electrically connected with a control platform 6 for displaying sonar images through a standard data line, the sonar images are observed in real time by using the control platform, and the control platform 6 is electrically connected with a power supply 7.
The method for detecting the drainage pipeline in the well chamber with deep water accumulation by adopting the well chamber internal drainage pipeline detection device comprises the following specific steps:
1. and (5) detection preparation, opening the well cover for ventilation, and making safety protection measures.
2. The sonar cylinder 2 and the balancing weight 9 are connected together through a steel wire rope, the sonar cylinder 2 is balanced, and the cylinder is balanced by about 5kg.
3. The cable 4 is connected with the sonar cylinder 2 through a screw, and a standard cable port is arranged in the screw for signal transmission.
4. The cable 4 is connected with the cable reel 5, the cable 4 is controlled by the rotation of the cable reel 5, and the counter of the cable reel 5 can control the accurate length of the cable 4.
5. The cable reel 5 is connected with the control platform 6 through a standard data line conversion interface, and sonar images can be observed in real time by using the control platform 6.
6. And connecting the control platform 6 with the power supply 7 to electrify the control platform 6 for debugging the instrument.
7. And the sonar cylinder 2 and the steel wire rope 3 are connected by a steel wire rope buckle.
8. The pulley 8 is fixed on the top of the support 1, the support 1 is fixed right above the shaft 10, and the steel wire rope 3 is wound on the pulley 8.
9. And (3) turning on switches of all instruments and equipment, putting the sonar cylinder 2 into the well, controlling the advancing speed of the sonar cylinder 2 to be not more than 0.1 meter per second after the sonar cylinder is submerged below the water surface by pulling the steel wire rope 3 and shaking the cable disc 5, and vertically and slowly putting the sonar cylinder 2 into the inspection well.
10. And observing a sonar image of the sonar control platform 6, and when a gap appears in the outline imaging 11 of the inspection well, slowing down the advancing speed of the sonar cylinder to be within 0.05m/s, wherein the gap is the imaging 12 of the drainage pipe.
11. When the gap on the screen is gradually reduced, the sonar cylinder 2 stops advancing, the sonar cylinder 2 is slowly lifted, the image with the maximum gap is found, and the sonar cylinder 2 stops advancing.
12. And (3) pulling the cable 4 to be vertical to the wellhead of the inspection well, marking the position of the wellhead, measuring the length of the cable outside the inspection well (marked to a cable reel), reading the advancing total length of the cable, and calculating the center burial depth of the pipeline.
13. Measuring the specific size of the notch by using a measuring tool on a sonar control software screen, wherein as shown in fig. 2, when the notch represented by 12 is the maximum, the width of the notch measured on the image is the diameter of the drainage pipeline; and simultaneously measuring the size of the outer frame of the image, namely the internal size of the well chamber of the inspection well.
14. And (4) continuing to control the sonar cylinder 2 to descend until the bottom of the well, finding the pipe diameters of all the connected drain pipes, and measuring the height of the bottom of the well.
By adopting the device and the detection method for detecting the drainage pipeline inside the logging chamber under the condition of higher water level, the drainage pipeline in a larger deep well chamber can be detected without entering the well manually under the condition of higher operation water level of the drainage pipeline, and the problems that the size of the drainage pipeline (culvert), the burial depth and other data cannot be accurately found out in the inspection well with deep and larger accumulated water depth and the well chamber are solved.
It is understood that various other changes and modifications may be made by those skilled in the art based on the technical idea of the present invention, and all such changes and modifications should fall within the protective scope of the claims of the present invention.
Claims (2)
1. The utility model provides a device of inside drainage pipe of logging chamber under higher condition of water level which characterized in that: the sonar equipment comprises a support (1) and a sonar cylinder (2) which are connected through a steel wire rope (3) from top to bottom, wherein the sonar cylinder (2) comprises a sonar probe and a protection device outside the sonar probe, the sonar cylinder (2) is connected with a cable disc (5) through a cable (4), the cable disc (5) is connected with an operation platform (6) used for displaying sonar images, and the operation platform (6) is electrically connected with a power supply (7);
a pulley (8) is arranged at the top end of the support (1), and the steel wire rope (3) is wound on the pulley (8);
the support (1) comprises four support rods, and the top ends of the support rods are connected with the pulleys (8);
a balancing weight (9) is arranged at the bottom end of the sonar cylinder (2);
the weight of the balancing weight (9) is 5kg.
2. The method for detecting the drainage pipeline device in the well chamber under the condition of high water level according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
s1, fixing a support (1) above a shaft (10), placing a sonar cylinder (2) below a water surface in a well, and controlling the sonar cylinder (2) to vertically descend at a speed of 0.05-0.1m/S;
s2, observing a sonar image of the sonar control platform (6), and adjusting the descending speed of the sonar cylinder (2) to be 0-0.05m/S when a drainage pipe imaging (12) appears in the outer contour imaging (11) of the inspection well;
s3, when the imaging area (12) of the drain pipe is changed from small to large and then gradually changed from small to small, the sonar cylinder (2) stops advancing; the sonar cylinder (2) is lifted to adjust the position, and the sonar cylinder (2) stops adjusting when the drain pipe imaging (12) is maximum; the size of an outer contour imaging (11) for reading the inspection well on the control platform (6) is the size of the inside of the well chamber, the size of a drain pipe imaging (12) is the size of a drain pipe, and the total advancing length of the cable (4) is the buried depth of the center of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135733.XA CN106949859B (en) | 2017-03-09 | 2017-03-09 | Device and method for detecting drainage pipeline inside logging chamber under condition of high water level |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710135733.XA CN106949859B (en) | 2017-03-09 | 2017-03-09 | Device and method for detecting drainage pipeline inside logging chamber under condition of high water level |
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| Publication Number | Publication Date |
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| CN106949859A CN106949859A (en) | 2017-07-14 |
| CN106949859B true CN106949859B (en) | 2023-04-07 |
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| CN201710135733.XA Active CN106949859B (en) | 2017-03-09 | 2017-03-09 | Device and method for detecting drainage pipeline inside logging chamber under condition of high water level |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128351A (en) * | 2010-01-14 | 2011-07-20 | 管丽环境技术(上海)有限公司 | Sonar detection method for functional state of pipeline |
| CN102262227A (en) * | 2010-05-26 | 2011-11-30 | 哈尔滨瑞云电子科技有限公司 | Drainage pipeline detector based on high-frequency detection sonar |
| CN104101896B (en) * | 2014-06-20 | 2017-01-18 | 武汉长盛工程检测技术开发有限公司 | Pile bottom cave sonar detection device and method |
| CN105465611B (en) * | 2015-11-16 | 2018-05-25 | 武汉中仪物联技术股份有限公司 | A kind of drainage pipeline sonar detecting method |
| CN206638188U (en) * | 2017-03-09 | 2017-11-14 | 中国市政工程中南设计研究总院有限公司 | The device of detecting shaft chamber interior drainage pipeline in the case of a kind of water level is higher |
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