CN116577412A - Hydropower station gate slot underwater detection device and method - Google Patents
Hydropower station gate slot underwater detection device and method Download PDFInfo
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- CN116577412A CN116577412A CN202310693336.XA CN202310693336A CN116577412A CN 116577412 A CN116577412 A CN 116577412A CN 202310693336 A CN202310693336 A CN 202310693336A CN 116577412 A CN116577412 A CN 116577412A
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- 238000001514 detection method Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- 230000007547 defect Effects 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009189 diving Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Civil Engineering (AREA)
- Acoustics & Sound (AREA)
- Barrages (AREA)
Abstract
The invention belongs to the technical field of water conservancy and hydropower engineering and discloses a hydropower station gate groove underwater detection device and a hydropower station gate groove underwater detection method. The invention provides a safe diving environment, effectively improves the detection efficiency and the accuracy of detection data, and is convenient for divers to repair underwater door slots.
Description
Technical Field
The invention belongs to the technical field of water conservancy and hydropower engineering, and particularly relates to an underwater detection device and method for a hydropower station gate slot.
Background
In the water conservancy and hydropower industry, hydraulic buildings can be damaged to different degrees due to the fact that the hydraulic buildings are flushed by high-speed water flow throughout the year. The gate slot has special boundary body shape and complicated flow state, so that a large amount of vortexes are often generated, cavitation and cavitation are accompanied, the gate slot structure is damaged, and the phenomena of gate water leakage and the like are caused, so that the operation of the gate is influenced, and even potential safety hazards are brought to the whole power station in serious cases.
In order to detect a door slot underwater, a simple device is used for hoisting multi-beam equipment to cooperate with a diver to carry out underwater detection in the current engineering. The multi-beam detection has high requirements, and the water flow rate is usually high, the generated noise point can be large, and the data quality is poor. The underwater detection of the diver is carried out, the diver needs to carry out water operation, the flow speed of water flow is high, stable measurement work cannot be carried out, and meanwhile, the underwater flow state is complex, so that huge safety problems can be brought undoubtedly. Thus, the existing methods cannot meet the needs of most projects.
Disclosure of Invention
The embodiment of the invention aims to provide a hydropower station gate slot underwater detection device and a hydropower station gate slot underwater detection method, and the gate slot underwater detection and repair problem can be safely and reliably completed through the device.
The technical scheme provided by the invention for achieving the purpose is as follows:
the utility model provides a power station door pocket detection device under water, its characterized in that, includes the main frame, main frame top both ends are provided with respectively and advance the people frame, main frame bottom both ends are provided with respectively keeps away the stream frame main frame bottom the keep away and be provided with the bottom between the stream frame and keep away stream cover or measure the frame, when being provided with the bottom keeps away stream cover, the bottom keep away stream cover with keep away stream frame detachable connection, advance the people frame the main frame keep away the stream frame reaches the bottom keeps away and forms the passageway that supplies diver to pass in the stream cover.
Preferably, the main frame comprises a midspan part and a frame structure, the frame structure is positioned at two ends of the midspan part, the midspan part is of a truss structure, and steel plates are respectively arranged on the upstream and downstream directions of the frame structure and one surface far away from the door slot.
Preferably, the people feeding frame is detachably connected with the main frame, a people feeding platform is arranged at the top of the people feeding frame, and steel plates are respectively arranged on the upper and lower directions of the people feeding frame and one surface far away from the door slot.
Preferably, the flow avoiding frame is detachably connected with the main frame, steel plates are respectively arranged in the upstream direction and the downstream direction of the flow avoiding frame, and a movable plate is arranged on one side, close to the center of the orifice, of the flow avoiding frame.
Preferably, the bottom flow-avoiding cover is detachably connected with the main frame, and steel plates are respectively arranged on the upper and lower stream directions, the top, the bottom and one surface far away from the door slot of the bottom flow-avoiding cover.
Preferably, the measuring frame is detachably connected with the main frame, and steel plates are respectively arranged on one periphery of the side face of the measuring frame.
Preferably, the device further comprises a guide wheel device, wherein the guide wheel device is positioned at one side, close to the door slot, of the people inlet frame, the two ends of the main frame and the flow avoiding frame, and at the supporting span in the upstream and downstream directions.
The hydropower station gate slot underwater detection method is characterized by comprising the following steps of:
s1, assembling a gate slot underwater detection device, respectively mounting multi-beam equipment on a measuring frame and a flow avoiding frame, and sealing a movable plate on the flow avoiding frame;
s2, hoisting the gate slot underwater detection device to a gate slot through hoisting equipment, lifting the hoisting equipment through matching the guide wheel device with a corresponding gate slot embedded part, and obtaining sonar detection data and data acquired by a shooting and recording system through multi-beam equipment;
s3, after the data acquisition is finished, carrying out data processing by professionals, checking and summarizing defects, and forming a database and a detection report;
s4, lifting the gate slot underwater detection device, removing the measuring frame, installing the bottom flow-avoiding cover, and lifting the gate slot underwater detection device into the gate slot;
s5, a diver enters the door slot and the sill through a side human frame to repair the checked defects, so that the gate falling safety requirement is met;
s6, when the diver comes out, ground staff lifts the gate slot underwater detection device, removes bolts of the bottom flow-avoiding cover, moves and installs the bolts on the other side, and lifts the gate slot underwater detection device into the gate slot;
s7, the diver enters the door slot and the sill through the other side entrance frame to repair the checked defects, so that the gate falling safety requirement is met.
Preferably, in the step S2, the specific method for obtaining sonar detection data and data collected by the camera system through the multi-beam device is as follows: the multi-beam equipment installed on the flow avoiding frame detects the gate slot, and the multi-beam equipment installed on the measuring frame measures the threshold.
The invention has the following beneficial effects: according to the detection device, the door slot track is used as the guide mechanism, the lifting equipment is controlled to lift at a constant speed, the door slot can be comprehensively detected at one time, and the detection efficiency is effectively improved. The detection device can protect the multi-beam equipment from being impacted by water flow, effectively reduce the generation of noise points and improve the accuracy of detection data. The detection device is integrally manufactured in sections, is integrally connected with high-strength bolts at a construction site, and can adapt to most of field space and hoisting equipment. Meanwhile, the detection device can provide a safe diving environment for the diver, and the diver can repair the underwater door slot conveniently.
Drawings
FIG. 1 shows a hydropower station gate slot underwater detection device for repairing provided by the embodiment of the invention;
FIG. 2 shows a hydropower station door slot underwater detection device for detection according to an embodiment of the invention;
the marks in the figure: 1. a bottom flow-avoiding cover; 2. a main frame; 3. a person feeding frame; 4. a flow avoiding frame; 5. a measuring frame; 6. and a guide wheel device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an underwater detection device for a hydropower station gate slot, which is shown in fig. 1 and 2 and comprises a bottom flow-avoiding cover 1, a main frame 2, a person inlet frame 3, a flow-avoiding frame 4, a measuring frame 5, a guide wheel device 6 and multi-beam equipment (not shown).
The main frame 2 is a main bearing part of the device and is formed by welding profile steel and a steel plate. The middle part is a truss structure and is formed by welding profile steel, two ends of the middle part are frame structures, a stiffening beam is fixed in the middle of the frame structures and is formed by welding profile steel, and steel plates are arranged on the surfaces, except the surface, close to the door slot, of the inner parts of the two sides of the groove, in the upstream and downstream directions and the surface, far from the door slot, of the inner parts of the two sides of the groove, so that divers are protected from being impacted by water flow.
The entrance frame 3 is located at two ends of the top of the main frame 2, is connected with the main frame 2 through high-strength bolts and is formed by welding profile steel and steel plates, the top is provided with an entrance platform, a diver can conveniently enter water, steel plates are arranged on three sides except one side close to a door slot, and repair work of the diver in the slot can be ensured safely.
The flow avoiding frame 4 is located at two ends of the bottom of the main frame 2, is connected with the main frame 2 through high-strength bolts, is formed by welding profile steel and steel plates, is provided with the steel plates in the upper and lower directions and at the bottom, is used for diver entering the tank to repair on one side close to the gate slot, is provided with a movable plate on one side close to the center of the orifice, when the gate slot is detected, a multi-beam device (not shown) is mounted on the flow avoiding frame 4, the movable plate is sealed on the flow avoiding frame 4 through bolts, the multi-beam device (not shown) of the supporting leg is prevented from being impacted by water flow, and when the gate slot and the sill are repaired, the movable plate is taken down and directly connected with the bottom flow avoiding cover 1 through the high-strength bolts.
The bottom flow-avoiding cover 1 is positioned at the bottom of the main frame 2 between the flow-avoiding frames 4 and is connected with the main frame 2 through high-strength bolts, is formed by welding profile steel and steel plates and is mainly used for repairing a sill of a diver, and the frame structure is formed by welding profile steel.
When the bottom flow-avoiding cover 1 is arranged at the bottom of the main frame 2, the size and the number of the bottom flow-avoiding cover 1 must be enough to not completely block the bottom of the main frame, a passage for water flow to flow through must be reserved, and the door slot detection device is prevented from bearing larger water flow pressure after the water flow is stopped at the bottom of the main frame.
As shown in fig. 1, a bottom shield 1 is designed. The bottom flow-avoiding cover 1 is installed to repair a side sill, bolts of the bottom flow-avoiding cover 1 are detached, the flow-avoiding cover is turned over by lifting equipment, the flow-avoiding cover is turned from left to right, the flow-avoiding cover is installed on the other side in a moving mode, and the other side sill can be repaired.
The measuring frame 5 is almost the same as the position of the bottom flow-avoiding cover 1, is positioned at the bottom of the main frame 2, is connected with the main frame 2 through high-strength bolts, is mainly used for installing and fixing a multi-beam device (not shown) to measure a sill, is formed by welding profile steel and a steel plate, is provided with the steel plate on one circle of the side surface, avoids the influence of water flow direct-injection equipment on measuring quality, and can determine the installation position of the water flow direct-injection device at the bottom of the main frame 2 according to measuring requirements. When in detection, the bottom of the main frame is not provided with the bottom flow-avoiding cover 1, and only provided with the measuring frame 5 for detecting the sill; when repairing, the measuring frame 5 is not arranged at the bottom of the main frame, and only the bottom flow-avoiding cover 1 is arranged for a diver to pass through to repair the sill.
The guide wheel device 6 is positioned at the side surface of the door slot underwater detection device and at the supporting spans in the upstream and downstream directions, and when the detection device is used for detecting the underwater door slot, the guide wheel device is directly matched with a corresponding door slot embedded part, so that the whole detection device can be guided on the basis of the original door slot, and the detection device can vertically move in the door slot through the lifting equipment.
The invention also provides a hydropower station gate slot underwater detection method, which can be used for conveniently and rapidly detecting the gate slot underwater, and is safe and reliable.
The underwater detection method for the hydropower station gate slot comprises the following steps:
s1, assembling a gate slot underwater detection device, and respectively installing multi-beam equipment (not shown) on a measuring frame 5 and a flow avoiding frame 4;
s2, hoisting a gate slot underwater detection device to a gate slot through hoisting equipment, matching a gate slot track with a corresponding gate slot embedded part through a guide wheel device 6, controlling the hoisting equipment to lift at a constant speed, carrying out gate slot detection by utilizing multi-beam equipment (not shown) arranged on a flow avoiding frame 4, and measuring a sill by utilizing multi-beam equipment (not shown) arranged on a measuring frame 5, thereby obtaining sonar detection data and data acquired by a photographing and recording system;
s3, after the data acquisition is finished, carrying out data processing by professionals, checking and summarizing defects, and forming a database and a detection report;
s4, lifting the gate slot underwater detection device, removing the measuring frame 5, installing the bottom flow-avoiding cover 1, and lifting the gate slot underwater detection device into a gate slot;
s5, a diver enters the door slot and the sill through the side sill frame 3 to repair the checked defects of the door slot and the sill on one side, so that the door falling safety requirement of the gate is met;
the diver enters the inside of the door slot underwater detection device through the entrance platform at the top of the entrance frame 3, the defects of the entrance frame 3, the main frame 2, the side door slot, such as the broken concrete pit, the missing metal embedded part and the like, are repaired, and the defects of the side door slot, such as the broken concrete pit, the missing metal embedded part and the like, are repaired in the entrance frame 3, the main frame 2 and the side door slot, and the defects of the side door slot, such as the broken concrete pit, the missing metal embedded part and the like, are repaired in the side door slot and the side door shield 1.
S6, when the diver comes out, ground staff lifts the underwater detection device of the gate slot, the bolts of the bottom flow-avoiding cover 1 are dismounted, the flow-avoiding cover is turned over by lifting equipment, the left side is turned to the right side, the diver is moved and installed on the other side, and the underwater detection device of the gate slot is lifted into the gate slot;
s7, the diver enters the door slot and the sill through the other side passenger frame 3 to repair the checked defects of the door slot and the sill at the other side, so that the door falling safety requirement of the gate is met;
the diver enters the inside of the door slot underwater detection device through the entrance platform at the top of the other side entrance frame 3, the defects of the entrance frame 3, the main frame 2, the flow avoiding frame 4, the defects of the checked concrete pit breakage, the metal embedded part missing and the like in the other side door slot are repaired, and the defects of the checked concrete pit breakage, the metal embedded part missing and the like in the other side threshold are repaired in the flow avoiding frame 4 and the bottom flow avoiding cover 1.
The foregoing examples are merely illustrative of the embodiments of the present invention and are not to be construed as limiting the scope of the embodiments of the present invention, and all designs which are the same or similar to the embodiments of the present invention are within the scope of the embodiments of the present invention.
Claims (9)
1. The utility model provides a power station door pocket detection device under water, its characterized in that, includes the main frame, main frame top both ends are provided with respectively and advance the people frame, main frame bottom both ends are provided with respectively keeps away the stream frame main frame bottom the keep away and be provided with the bottom between the stream frame and keep away stream cover or measure the frame, when being provided with the bottom keeps away stream cover, the bottom keep away stream cover with keep away stream frame detachable connection, advance the people frame the main frame keep away the stream frame reaches the bottom keeps away and forms the passageway that supplies diver to pass in the stream cover.
2. The hydropower station door pocket underwater detection device according to claim 1, wherein the main frame comprises a midspan part and a frame structure, the frame structure is positioned at two ends of the midspan part, the midspan part is a truss structure, and steel plates are respectively arranged on the upper side, the downstream side and one side far away from the door pocket of the frame structure.
3. The underwater detection device for the gate slot of the hydropower station according to claim 1, wherein the entrance frame is detachably connected with the main frame, the top is provided with an entrance platform, and the upper and downstream directions of the entrance frame and one surface far away from the gate slot are respectively provided with a steel plate.
4. The underwater detection device for the gate slot of the hydropower station according to claim 1, wherein the flow avoiding frame is detachably connected with the main frame, steel plates are respectively arranged in the upstream direction and the downstream direction of the flow avoiding frame, and a movable plate is arranged on one side, close to the center of the orifice, of the flow avoiding frame.
5. The hydropower station door pocket underwater detection device according to claim 1, wherein the bottom flow-avoiding cover is detachably connected with the main frame, and steel plates are respectively arranged on the upper and lower stream directions, the top, the bottom and one surface far away from the door pocket of the bottom flow-avoiding cover.
6. The hydropower station door slot underwater detection device according to claim 1, wherein the measuring frame is detachably connected with the main frame, and steel plates are respectively arranged on one circumference of the side face of the measuring frame.
7. The hydropower station door slot underwater detection device according to claim 1, further comprising a guide wheel device, wherein the guide wheel device is positioned at one side of the entrance frame, the two ends of the main frame and the flow avoiding frame, which is close to the door slot, and at the supporting span in the upstream and downstream directions.
8. The hydropower station gate slot underwater detection method is characterized by comprising the following steps of:
s1, assembling a gate slot underwater detection device, respectively mounting multi-beam equipment on a measuring frame and a flow avoiding frame, and sealing a movable plate on the flow avoiding frame;
s2, hoisting the gate slot underwater detection device to a gate slot through hoisting equipment, lifting the hoisting equipment through matching the guide wheel device with a corresponding gate slot embedded part, and obtaining sonar detection data and data acquired by a shooting and recording system through multi-beam equipment;
s3, after the data acquisition is finished, carrying out data processing by professionals, checking and summarizing defects, and forming a database and a detection report;
s4, lifting the gate slot underwater detection device, removing the measuring frame, installing the bottom flow-avoiding cover, and lifting the gate slot underwater detection device into the gate slot;
s5, a diver enters the door slot and the sill through a side human frame to repair the checked defects, so that the gate falling safety requirement is met;
s6, when the diver comes out, ground staff lifts the gate slot underwater detection device, removes bolts of the bottom flow-avoiding cover, moves and installs the bolts on the other side, and lifts the gate slot underwater detection device into the gate slot;
s7, the diver enters the door slot and the sill through the other side entrance frame to repair the checked defects, so that the gate falling safety requirement is met.
9. The hydropower station gate slot underwater detection method according to claim 8, wherein in S2, the specific method for obtaining sonar detection data and data collected by a camera system through the multi-beam device is as follows: the multi-beam equipment installed on the flow avoiding frame detects the gate slot, and the multi-beam equipment installed on the measuring frame measures the threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310693336.XA CN116577412A (en) | 2023-06-13 | 2023-06-13 | Hydropower station gate slot underwater detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310693336.XA CN116577412A (en) | 2023-06-13 | 2023-06-13 | Hydropower station gate slot underwater detection device and method |
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| Publication Number | Publication Date |
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| CN116577412A true CN116577412A (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310693336.XA Pending CN116577412A (en) | 2023-06-13 | 2023-06-13 | Hydropower station gate slot underwater detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026909A (en) * | 2023-10-09 | 2023-11-10 | 青岛太平洋水下科技工程有限公司 | Underwater repairing device and repairing method for diversion tunnel portal |
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2023
- 2023-06-13 CN CN202310693336.XA patent/CN116577412A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026909A (en) * | 2023-10-09 | 2023-11-10 | 青岛太平洋水下科技工程有限公司 | Underwater repairing device and repairing method for diversion tunnel portal |
| CN117026909B (en) * | 2023-10-09 | 2024-03-12 | 青岛太平洋水下科技工程有限公司 | Underwater repairing device and repairing method for diversion tunnel portal |
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