CN-121977502-A - Underwater dredging fixed station multidirectional section monitoring equipment and use method

CN121977502ACN 121977502 ACN121977502 ACN 121977502ACN-121977502-A

Abstract

The application belongs to the technical field of engineering monitoring, and particularly relates to a multi-directional section monitoring device of an underwater dredging fixed station and a use method thereof, wherein the device comprises a device carrier, a fixed seat, a hollow rotating platform, a protective sleeve, a rotating rod, a sonar terminal, a control platform, a photovoltaic panel, a storage battery and a control unit, wherein the storage battery and the control unit are positioned in the control platform; the photovoltaic board is located the control platform top, and control platform is connected with cavity rotary platform upper portion, and cavity rotary platform is located the fixing base upper surface, and the fixing base is on device carrier surface, and protective case is connected with the fixing base lower part, and the rotary rod is connected with cavity rotary platform lower part, and sonar terminal and rotary rod connection. According to the application, the hollow rotating platform is combined with the sonar terminal, the functions of 360-degree precise rotation of the hollow rotating platform and 360-degree vertical scanning of the sonar terminal are fully exerted, the upgrading of the fixed station type dredging monitoring technology from 'point and line' type monitoring to 'surface' type monitoring is realized, and the effect of long-term automatic monitoring of underwater topography change is achieved.

Inventors

JIN JUNSHENG
CHEN ZHIYONG
LU ZHIGANG
YANG SUNAN
SHI LICHENG

Assignees

中交第三航务工程勘察设计院有限公司

Dates

Publication Date: 20260505
Application Date: 20260113

Claims (10)

1. The underwater dredging fixed station multidirectional section monitoring equipment is characterized by comprising a device carrier (1), a fixed seat (2), a hollow rotating platform (3), a protective sleeve (4), a rotating rod (5), a sonar terminal (6), a control platform (7), a storage battery (8), a control unit (9) and a photovoltaic panel (10); The photovoltaic panel (10) is located at the top of the control platform (7), the control platform (7) is connected with the upper portion of the hollow rotating platform (3), the hollow rotating platform (3) is located on the upper surface of the fixing seat (2), the fixing seat (2) is fixed on the surface of the device carrier (1), the protection sleeve (4) is connected with the lower portion of the fixing seat (2), the rotating rod (5) is connected with the lower portion of the hollow rotating platform (3), the sonar terminal (6) is connected with the rotating rod (5), and the storage battery (8) and the control unit (9) are located in the control platform (7).
2. The underwater dredging fixed station multidirectional section monitoring device according to claim 1, wherein a seat cushion (22) and a plurality of first through holes (21) are formed in the surface, connected with the protection sleeve (4), of the fixing seat (2), and the seat cushion (22) is in an upward-protruding circular column shape.
3. An underwater dredging fixed station multidirectional section monitoring device as claimed in claim 2, wherein the hollow rotary platform (3) comprises a double-sided rotary platform (31) and a servo motor (32), the double-sided rotary platform (31) comprises an upper rotary table (311) and a lower rotary table (311), and threads are arranged in each rotary table (311).
4. A multi-directional section monitoring apparatus for an underwater dredging fixed station as claimed in claim 3 wherein the turntable (311) is supported by a set of crossed roller bearings in which the rollers are staggered by 90 ° and the diameter of the rollers is greater than the size of the raceway between the inner and outer races of the bearing.
5. The underwater dredging fixed station multidirectional section monitoring device according to claim 2, wherein the protection sleeve (4) is a thin-wall steel pipe with a flange (42) at one end, four corner through holes of the flange (42) are matched with the first through holes (21), and the protection sleeve (4) is fixedly connected with the fixed seat (2) through bolts; a plurality of pull rings (41) are arranged on the pipe wall at the other end of the protective sleeve (4).
6. The underwater dredging fixed station multidirectional section monitoring device according to claim 4, wherein one end of the rotary rod (5) is a first stud (51), and the rotary rod is connected with threads in a turntable (311) at the lower part of the double-sided rotary platform (31) through the end of the first stud (51); The rotary rod (5) is provided with a vertical transverse pipe (52) at the position 10-15 cm away from the bottom, and the length of the transverse pipe (52) is 10-20 cm.
7. The underwater dredging fixed station multidirectional section monitoring device according to claim 6, wherein the sonar terminal (6) is connected with a transverse tube (52) at the bottom of the rotary rod (5) through threads or a clamp.
8. The underwater dredging fixed station multidirectional section monitoring device as claimed in claim 6, wherein the control platform (7) is a cylinder or a cuboid, a compartment plate (71) is arranged in the control platform, and a second through hole (72) is formed in the compartment plate (71); The bottom of the control platform (7) is provided with a hole and connected with a hollow pipe (73), one end of the hollow pipe (73) is provided with a second stud (74), and the control platform (7) is connected with threads in a turntable (311) on the upper part of the hollow rotating platform (3) through the second stud (74).
9. The underwater dredging fixed station multidirectional section monitoring device according to claim 8, wherein the auxiliary cable of the sonar terminal (6) passes through the middle cavity of the rotary rod (5) and the hollow rotary platform (3), the middle cavity of the hollow pipe (73) of the control platform (7) and the second through hole (72) of the compartment plate (71) and is connected with the storage battery (8) and the control unit (9).
10. A method of using an underwater dredging fixed station multidirectional section monitoring apparatus as in any one of claims 1-9, comprising the steps of: S1, selecting a structure at a set monitoring position as a device carrier (1) of the underwater dredging fixed station multidirectional section monitoring equipment, determining a mounting position on the device carrier (1), and punching after measuring the size to fix the fixed seat (2); S2, placing the hollow rotary platform (3) on the fixed seat (2), enabling the center of the rotary table (311) to be consistent with the center of the seat cushion (22) of the fixed seat (2), tightening and fixing the hollow rotary platform (3) and the fixed seat (2) through screws, and enabling the seat cushion (22) to play a supporting role; step S3, penetrating an auxiliary cable of the sonar terminal (6) from the end of a transverse tube (52) of the rotary rod (5), penetrating out the end of a first stud (51), and connecting and fixing the connecting end of the sonar terminal (6) with the transverse tube; s4, penetrating the rotary rod (5) from the protective sleeve (4), tying a rope at the position of the pull ring (41), connecting and fixing the rotary rod (5) with a turntable at the lower part of the hollow rotary platform (3), aligning four corner through holes of the flange (42) on the protective sleeve (4) with first through holes (21) on the fixed seat (2), tightening screws, and lifting and installing through the rope in the process; Step S5, an auxiliary cable of the sonar terminal (6) is pulled out of a central hole of the hollow rotary platform (3) and is led into the control platform (7), and a second stud (74) at the lower part of the control platform (7) is fixedly connected with a turntable at the upper part of the hollow rotary platform (3); Step S6, the storage battery (8) and the control unit (9) are placed in a control platform (7) in different bins, and an auxiliary cable of the introduced sonar terminal (6) is connected with the storage battery and the control unit; Step S7, connecting the photovoltaic panel (10) with the storage battery (8), and fixing the photovoltaic panel (10) serving as a top cover on the control platform (7); step S8, connecting a motor of the hollow rotary platform (3) with an external power supply, and completing the assembly of monitoring equipment; and step S9, the monitoring equipment is in butt joint with a remote software platform, operation parameters of the monitoring equipment are set in software, an operation instruction is sent out, the on-site control unit starts to start the operation of the hollow rotating platform (3) and the sonar terminal (6) after receiving the remote instruction, data acquisition and transmission are carried out simultaneously, and the operation of the equipment is stopped after the single remote instruction is completed.

Description

Underwater dredging fixed station multidirectional section monitoring equipment and use method Technical Field The invention relates to the technical field of engineering monitoring, in particular to a multi-directional section monitoring device of an underwater dredging fixed station and a use method thereof. Background The current underwater dredging research means still mainly relies on periodic measurement of underwater topography, but each measurement result only reflects the current situation of the underwater mud surface, and certain contingency and uncertainty exist in the measurement result, especially when the bad weather conditions or tides and the large change of flow velocity and flow direction are not provided with normal measurement operation conditions, so that the problems that the data quantity in the measurement period is too small and the dredging process change cannot be known exist, and the underwater dredging formation mechanism in a specific area and a specific environment cannot be studied deeply and judged accurately. On the premise of continuously advancing novel technology, the current offshore wind power plant and bridge industry gradually apply technologies such as sonar, mechanical displacement sensing and laser to monitor underwater flushing and silting change, but from the aspect of actual data acquisition effect, only one point or one direction section data of the underwater mud surface corresponding to the position of monitoring equipment can be obtained generally, if a large area and dense data are required to be obtained, a large amount of equipment investment is required to be increased, and the installation workload and the cost investment of the equipment are quite large. For example, china patent application CN119779419A (publication date: 2025, 04, 08) discloses a wharf bank slope siltation monitoring device and a recognition method, and the device and the method are characterized in that a sonar depth finder is arranged to detect water depth, a water flow Doppler velocimeter is arranged to detect water flow speed and flow direction, a sensor group is arranged to detect water temperature, turbidity and salinity parameters, a controller is arranged to receive, preprocess, calculate and analyze information, real-time comprehensive monitoring of water area state is realized, and the technical effects of accurately predicting potential scouring and siltation areas and timely sending early warning information are achieved. However, the monitoring device can only monitor a certain point or a certain section, and the investment of equipment is increased for monitoring a large area or needing intensive data, so that the cost and the workload are increased obviously. In view of the foregoing problems in the prior art, it is highly desirable for those skilled in the art to provide a multi-directional section monitoring device for an underwater dredging fixed station and a method of use. Disclosure of Invention The application provides a multi-directional section monitoring device of an underwater dredging fixed station and a use method thereof, wherein a sonar scanning terminal is driven by a hollow rotating platform to collect timing and directional data, so that the technical effect of automatic on-line monitoring of underwater topography data around the fixed station is realized, and the specific technical scheme is as follows. The underwater flushing and silt fixing station multidirectional section monitoring equipment comprises a device carrier, a fixing seat, a hollow rotating platform, a protective sleeve, a rotating rod, a sonar terminal, a control platform, a storage battery, a control unit and a photovoltaic panel, wherein the photovoltaic panel is positioned at the top of the control platform, the control platform is connected with the upper part of the hollow rotating platform, the hollow rotating platform is positioned on the upper surface of the fixing seat, the fixing seat is fixed on the surface of the device carrier in a pre-buried or punching fixed mode, the protective sleeve is connected with the lower part of the fixing seat, the rotating rod is connected with the lower part of the hollow rotating platform, the sonar terminal is connected with the rotating rod, and the storage battery and the control unit are positioned in the control platform. Further, the device carrier is a structural carrier for providing integral equipment placement, is an aquatic structure fixture in an underwater dredging monitoring area, guarantees the integral stability of the monitoring equipment, and is not limited to beams, plates, piles, tables, temporarily built fixed platforms and the like of a hydraulic building. Furthermore, the fixing seat is used for accommodating the hollow rotary platform and is made of steel materials, is formed by integrally stamping or welding, is not limited to a flat plate type, an L type, a C type, a box type and the like according to the specifi