CN215573091U - Comprehensive measuring system for seabed sediment - Google Patents
Comprehensive measuring system for seabed sediment Download PDFInfo
- Publication number
- CN215573091U CN215573091U CN202121507021.4U CN202121507021U CN215573091U CN 215573091 U CN215573091 U CN 215573091U CN 202121507021 U CN202121507021 U CN 202121507021U CN 215573091 U CN215573091 U CN 215573091U
- Authority
- CN
- China
- Prior art keywords
- platform
- frame
- unit
- sediment
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a comprehensive measuring system for seabed sediment, which comprises a multifunctional platform, a seabed sediment sampling unit, an in-situ acoustic parameter measuring unit, an in-situ mechanical parameter measuring unit and a deck information processing and monitoring unit, wherein the multifunctional platform is connected with the seabed sediment sampling unit through a pipeline; the multifunctional platform comprises a rack, a platform electronic bin, an underwater detection unit and an underwater visual unit; the frame consists of a platform support frame, a middle shaft guide rail frame and a gravity driving sliding frame; the gravity driving sliding frame is sleeved outside the middle shaft guide rail frame, the front side and the rear side of the gravity driving sliding frame are provided with weight mounting platforms, and driving weights are mounted on the front weight mounting platform and the rear weight mounting platform; a cable connecting frame in driving connection with the gravity driving sliding frame is slidably arranged in the middle shaft guide rail frame; a servo supporting platform is arranged on the gravity driving sliding frame; the seabed sediment sampling unit and the in-situ acoustic parameter measuring unit are arranged on the follow-up support platform; the in-situ mechanical parameter measuring unit is arranged on the side wall of the driving sliding frame. The system can complete the sampling of the submarine sediments and the measurement of acoustic and mechanical parameters by using the same platform.
Description
Technical Field
The utility model belongs to the technical field of seabed sediment measuring equipment, and particularly relates to a seabed sediment comprehensive measuring system.
Background
In the ocean exploration work, the currently common measurement items comprise sampling of the seabed sediment, measurement of acoustic parameters of the seabed sediment and measurement of mechanical parameters of the seabed sediment. Sampling, acoustic parameter measurement or mechanical parameter measurement all need carry on corresponding measuring unit to testing platform, transfer through testing platform and realize measuring. At present, a detection platform for carrying a sampling unit, an acoustic parameter measurement unit and a mechanical parameter measurement is three independent platforms. Only one detection can be finished by lowering the detection platform each time. Three detection platforms are sequentially put down to complete substrate sampling, seabed substrate acoustic parameter measurement and seabed substrate mechanical parameter measurement. The detection mode brings inconvenience to ocean exploration work.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a comprehensive measuring system for seabed sediment, which can realize sediment sampling, acoustic parameter measurement and mechanical parameter measurement.
The above object of the present invention is achieved by the following technical solutions:
a seabed sediment comprehensive measurement system is characterized in that: the system comprises a multifunctional platform, a seabed sediment sampling unit, an in-situ acoustic parameter measuring unit, an in-situ mechanical parameter measuring unit and a deck information processing and monitoring unit;
the multifunctional platform comprises a rack, a platform electronic bin, an underwater detection unit and an underwater visual unit; the frame consists of a platform support frame, a middle shaft guide rail frame and a gravity driving sliding frame; the middle shaft guide rail frame is a square upright column structure with vertical guide grooves arranged on the side walls of four sides and is vertically fixed at the middle position of the platform support frame; the gravity driving sliding frame is sleeved outside the middle shaft guide rail frame in a sliding manner along the vertical direction, heavy block mounting platforms are arranged on the front side and the rear side of the gravity driving sliding frame, and driving heavy blocks are mounted on the front heavy block mounting platform and the rear heavy block mounting platform; a cable connecting frame is slidably mounted in the middle shaft guide rail frame along the up-down direction, the upper end of the cable connecting frame is connected with a hoisting cable, and the cable connecting frame is in driving connection with the gravity driving sliding frame through a vertical wire groove in the middle shaft guide rail frame; a high-precision displacement sensor which forms linkage measurement with the driving sliding frame is arranged on the cable connecting frame; a servo supporting platform supported on the gravity driving sliding frame is sleeved between the front and rear driving weights; the platform electronic bin, the underwater detection unit and the underwater visual unit are arranged on the platform support frame in a distributed manner;
the seabed substrate sampling unit is vertically arranged on the follow-up support platform; the in-situ acoustic parameter measuring unit comprises a set of transverse propagation acoustic parameter measuring device, a set of vertical propagation acoustic parameter measuring device and an acoustic measurement pressure-resistant bin; the acoustic measurement pressure-resistant bin is arranged on the platform supporting frame; the transverse propagation acoustic parameter measuring device and the vertical propagation acoustic parameter measuring device are arranged and installed on the follow-up support frame; the in-situ mechanical parameter measuring unit comprises a submarine sediment penetration resistance measuring device, a submarine sediment shear strength measuring device and a mechanical electronic bin, wherein the mechanical electronic bin is arranged on the platform supporting frame, and the submarine sediment penetration resistance measuring device and the submarine sediment shear strength measuring device are both arranged on the mechanical measuring frame; the mechanical measuring frame is fixedly connected with the left side wall or the right side wall of the driving sliding frame and is arranged below the follow-up supporting frame;
the deck information processing and monitoring unit is used for sending control instructions to the multifunctional platform, the seabed sediment sampling unit, the in-situ acoustic parameter measuring unit and the in-situ mechanical parameter measuring unit; the system is also used for sending an uploading instruction, acquiring underwater working parameters, sampling information, mechanical measurement information and acoustic measurement information of the multifunctional platform, and processing, storing and displaying the acquired parameters and information.
Further: the servo supporting platform is composed of a sliding sleeve, an upper supporting flat plate and a lower supporting flat plate which are sleeved and fixed outside the sliding sleeve, the upper supporting flat plate and the lower supporting flat plate are the same in structure and are aligned vertically, and the upper supporting flat plate and the lower supporting flat plate extend out of the left side and the right side of the gravity driving sliding frame.
Further: the seabed sediment sampling unit adopts a multi-tube sediment sampler and/or a columnar sediment sampler, and the sampler is vertically and fixedly arranged on the left extending part of the upper and lower support flat plates.
Further: the transverse propagation acoustic parameter measuring device comprises a transmitting probe rod and three receiving probe rods which form a horizontal measuring array, a transmitting transducer and a receiving transducer are both arranged at the top end of the corresponding probe rod, and the transmitting probe rod and the three receiving probe rods are respectively and vertically and fixedly arranged at two corner positions of a left side external extension part and two corner positions of a right side external extension part of an upper and lower supporting flat plate; the vertical propagation acoustic parameter measuring device is characterized in that a measuring array in the vertical direction is formed by a lance for mounting 3 receiving transducers at equal intervals and a transmitting transducer arranged on a follow-up platform, and the lance is vertically mounted in the middle of a right-side outer extending part of an upper support flat plate and a lower support flat plate.
Further: the device for measuring the penetration resistance of the submarine sediments consists of a penetration motor, a screw rod, a penetration cone and a penetration signal processor; the device for measuring the shearing strength of the submarine sediments consists of a shearing motor, a screw rod, a cross plate shearing instrument and a shearing signal processor; the penetration signal processor and the shearing signal processor are both arranged in the mechanical electronic bin, and the penetration motor, the screw rod, the penetration cone, the shearing motor, the screw rod and the cross plate shearing instrument are arranged on the mechanical measuring frame.
The utility model has the advantages and positive effects that:
the seabed sediment comprehensive measurement system adopts a safe, reliable and maintenance-free gravity driving mode, carries the seabed sediment sampling unit, the in-situ acoustic parameter measurement unit and the in-situ mechanical parameter measurement unit which are designed in a modularized mode, can perform sediment sampling or sediment acoustic propagation characteristic measurement or sediment mechanical characteristic measurement according to task contents, realizes that seabed sediment sampling and acoustic and mechanical parameter measurement are completed by adopting the same platform and the same driving mode, and facilitates the marine detection work.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention 1;
FIG. 2 is a schematic view of the overall structure of the present invention 2;
FIG. 3 is a schematic view of the installation structure of the seabed sediment sampling unit and the in-situ acoustic parameter measuring unit on the follow-up support platform;
FIG. 4 is a schematic structural diagram of an in-situ mechanical parameter measuring unit according to the present invention;
FIG. 5 is a block diagram of the measurement and control and remote transmission of the present invention;
FIG. 6 is a block diagram of the deposit in situ acoustic measurement of the present invention;
FIG. 7 is a block diagram of the in situ mechanical measurement of deposits in accordance with the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A comprehensive measuring system for seabed sediment, please refer to fig. 1-7, which comprises a multifunctional platform, a seabed sediment sampling unit, an in-situ acoustic parameter measuring unit, an in-situ mechanical parameter measuring unit 11 and a deck information processing and monitoring unit. The underwater unit and the components of the system are designed in a modularized mode, the cabin of the measuring ship can be conveniently and fixedly placed after being disassembled and assembled, and task operation is implemented after module integration installation is carried out on a deck according to task requirements. Seabed sediment sample unit, acoustic parameter measurement unit and mechanical parameter measurement unit can all conveniently install on the drive balladeur train of multi-functional platform under water, and the gravity that the drive balladeur train relied on the pouring weight to produce is down, and sampling pipe or measurement probe rod are inserted in the deposit and are taken a sample or measure, and the reliability of equipment can be improved to non-maintaining drive power, retrieves to hang and puts the hawser and can make the drive balladeur train go upward, finishes sampling or measuring. The underwater working parameters of the multifunctional platform, the submarine images of the sampling or measuring positions are processed by an underwater measurement and control transmission unit of the platform electronic bin and then transmitted to a deck information processing and monitoring unit through a shipborne coaxial cable or a photoelectric composite cable for information processing and information storage, and the working parameters, downlink working instructions and the submarine images of the multifunctional platform are synchronously controlled and displayed through the deck unit. The measurement information of the in-situ acoustic parameters is processed by the acoustic information processing unit of the acoustic electronic bin and then transmitted to the measurement and control transmission unit of the platform electronic bin for processing and uploading. The measurement information of the in-situ mechanical parameters is processed by the information processing unit of the mechanical electronic bin and then transmitted to the measurement and control transmission unit of the platform electronic bin for processing and uploading.
The structure and the working principle of the five parts are as follows:
1. multifunctional platform
1.1 multifunctional platform Assembly
The multifunctional platform is a set of multifunctional platform which is suitable for carrying a substrate sampling unit or an acoustic parameter measuring unit or a mechanical parameter measuring unit on the seabed within 4000 meters for operation. The multifunctional platform comprises a rack, a platform electronic bin, an underwater detection unit and an underwater visual unit. The frame is composed of a platform support frame 1, a middle shaft guide rail frame 2 and a gravity driving sliding frame 7. The middle shaft guide rail frame is a square upright column structure with vertical guide grooves arranged on the side walls of four sides and is vertically fixed at the middle position of the platform support frame; the gravity driving sliding frame is sleeved outside the middle shaft guide rail frame in a sliding manner along the vertical direction, heavy block mounting platforms are arranged on the front side and the rear side of the gravity driving sliding frame, and driving heavy blocks 5 are mounted on the front heavy block mounting platform and the rear heavy block mounting platform; a cable connecting frame 6 is arranged in the middle shaft guide rail frame in a sliding mode along the up-down direction, the upper end of the cable connecting frame is connected with a hoisting cable, and the cable connecting frame is in driving connection with the gravity driving sliding frame through a vertical wire groove in the middle shaft guide rail frame; a high-precision displacement sensor which forms linkage measurement with the driving sliding frame is arranged on the cable connecting frame; a follow-up support platform 8 supported on the gravity driving sliding frame is sleeved between the front and the rear driving weights. The platform electronic bin, the underwater detection unit and the underwater visual unit are arranged on the platform supporting frame in a distributed mode.
The platform electronic cabin comprises an underwater measurement and control transmission unit 10, a measurement and control processing unit 4 and a power supply unit 3; the underwater detection unit is an off-seabed altimeter, a sampling and measuring depth sensor and an equipment attitude sensor; the underwater visual unit comprises a deep sea camera and a lighting lamp and is arranged in the visual chamber 9.
The multifunctional platform can be used as a submarine camera towed body when not carrying other sampling and measuring units, and the submarine camera arranged on the multifunctional platform can carry out visual observation and visible search of navigation on the seabed for a long time.
When the multifunctional platform carries the seabed sediment sampler, multitubular and columnar sampling under a visual target can be carried out, the sampling sample is used for geotechnical measurement and separation and sediment acoustic transmission performance analysis in a laboratory, and the sample is also used for seabed sediment, environment, biochemistry and other separation and research.
When the multifunctional platform carries acoustic transmission parameters for measurement, sound velocity and sound attenuation measurement of sound waves in transverse propagation and vertical propagation in-situ sediments can be carried out.
When the multifunctional platform is carried with a mechanical property measuring instrument, the in-situ sediment penetration resistance and the shear strength can be measured.
1.2 working principle of multifunctional platform
Mechanical structure and transmission: the multifunctional platform is placed in a laboratory in a modularized classification mode, and is unfolded to operate after being assembled on a deck during use. The platform frame is composed of a platform supporting frame, a middle shaft guide rail frame and a gravity driving sliding frame, a driving weight block is supported on the gravity driving sliding frame, and a platform electronic cabin, an off-seabed height meter, a sampling and measuring depth sensor, a lighting lamp and a deep-sea camera are arranged at the specified positions of the platform supporting frame in a splitting mode. The multifunctional platform carries out sampler sampling, carries out the acoustic probe rod to carry out sediment acoustic propagation parameter measurement, carries out the drive power that the mechanics probe rod carries out sediment mechanics parameter measurement and stacks the drive pouring weight on the drive balladeur train, and the drive pouring weight is installed in the front, the rear side of drive balladeur train, and modular multitube sample frame, column sample frame, acoustic parameter measurement frame and mechanical parameter measurement frame are installed to the left and right both sides of drive balladeur train. When the hoisting cable is tightened and laid, the driving carriage is at the highest position, and a multi-tube sampling tube (or a columnar sampling tube) and an acoustic measurement probe rod and a lance as well as a mechanical measurement penetration cone rod and a cross plate shearing rod can be installed. When the cable is loosely hung and laid, the driving sliding frame slides down along the middle shaft guide rail frame under the action of gravity of the driving weight block, so that the sampling tube or the measuring rod is inserted into the sediment, the sliding distance of the driving sliding frame is 1500mm, the maximum depth of sampling and measuring is 1500mm, and a high-precision displacement sensor and the driving sliding frame are in linkage measurement, so that the real sampling depth or the vertical measuring distance can be obtained.
Measurement and control and remote transmission: the measurement and control transmission unit device is arranged in the platform electronic cabin and consists of a computer control center, an image processing unit, a detection unit, a remote transmission unit, a power supply processing unit, an underwater energy system and an attitude sensing detection unit. The computer control center takes a CPU as a core and detects underwater video information, information of the height from the bottom, information of the equipment trend, information of the sampling and measuring depth and information of an underwater power supply. And controlling the opening of an underwater illuminating lamp and supplying power to detection components such as an off-seabed altimeter and the like. The control command is controlled by the deck information processing and monitoring center through the underwater measurement and control center. The system power supply adopts a multi-information/power supply remote same-cable hybrid transmission technology, and directly provides power electric energy for the underwater system through a deck.
2. Seabed sediment sampling unit
2.1 seabed sediment sampling Unit Assembly
The multifunctional platform can carry two types of samplers, multi-tube sediment samplers and or column sediment samplers 16. The samples obtained by sampling the multi-tube sediment sampler are mainly used for judging the attributes of the sediment and measuring geomechanical parameters (penetration resistance and shear strength) in a laboratory. The columnar sediment sampler samples and obtains samples, and is mainly used for analyzing seabed sediment and measuring sediment acoustic parameters in a laboratory. The multi-tube sampler comprises a multi-tube collecting frame and a multi-tube sampling tube, and the columnar sampler comprises a columnar collecting frame with a flow guide switch, a columnar sampling tube, a liner tube and a columnar collecting head. When the system is used for sampling seabed sediment, the sampling operation can be carried out only by installing the multi-tube collecting frame or the columnar collecting frame on the follow-up supporting platform and installing the sampling tube. The specific structure of the multi-tube sediment sampler and/or the column sediment sampler can be referred to the prior art and will not be described in detail herein.
2.2 working principle of seabed sediment sampling unit
Multi-tube sampling principle: the device is matched with a submarine video and an off-bottom height meter, a cable is slowly released after the device reaches a submarine station, a sliding frame is driven to slowly slide down along a center shaft guide rail, a multi-tube sampling tube buffers static pressure to penetrate into a sediment, when the cable is collected, a trigger switch on a multi-tube collecting frame acts to seal an upper sealing cover, when the sampling tube is pulled up in the sediment according to an adsorption principle, a mud sample in the tube cannot slide, a sediment is taken out of the sampling tube, and a lower sealing cover plate rapidly seals a lower opening under the action of spring force, so that a low-disturbance submarine sediment sample and an upper coated water sample which is not exchanged can be obtained.
The columnar sampling principle: the column-shaped sampling tube is also under the action of gravity of the driving carriage, the sediment is injected into the column-shaped sampling tube in a buffering static pressure manner, a flower which can only enter the column-shaped sampling tube but can not exit the column-shaped sampling tube is arranged at the mud sample inlet end, the mud sample enters the sampling tube, seawater in the tube is discharged from a diversion switch arranged at the top end, when the column-shaped sampling tube is fully sampled, the diversion switch slides downwards by means of dead weight to block a discharge port, and therefore the sealing of the upper end and the lower end of the column-shaped sampling tube is automatically finished.
3. In-situ acoustic parameter measuring unit
3.1 in-situ Acoustic parameter measurement Unit composition
The in-situ acoustic parameter measuring unit consists of two sets of measuring devices, one set is a transverse propagation acoustic parameter measuring device, and the other set is a vertical propagation acoustic parameter measuring device, so that three-dimensional measurement is formed. The transverse propagation acoustic parameter measuring device is a horizontal measuring array consisting of a transmitting probe rod 15 and three receiving probe rods 14, and the transmitting transducer and the receiving transducer are both arranged at the top ends of the probe rods. The vertical propagation acoustic parameter measuring device is composed of a measuring array in the vertical direction, wherein the measuring array is composed of a lance 13 and a transmitting transducer 12, the lance 13 is provided with 3 receiving transducers at equal intervals, and the transmitting transducer 12 is arranged on a measuring platform. The two sets of measuring devices are arranged on the same measuring platform without interference, and the measuring platform is connected with the driving sliding frame through a bracket. The receiving and sending information and the measuring command of the two sets of measuring devices are from the acoustic measurement pressure-resistant cabin. For the calibration requirement of acoustic parameter measurement, the system is provided with an ocean sound velocity meter 17 for relative calibration.
In-situ acoustic parameter measurement:
3.2 working process of the in-situ acoustic parameter measuring unit: under the guidance of a visual unit and a detection unit of the comprehensive measurement sampling platform, after the system reaches the position above a target position, the sound velocity of local seawater is measured by an ocean sound velocity meter, a transverse transmitting transducer probe rod is started to transmit single-frequency sound waves, sound wave transmission information passing through the seawater at a fixed distance is received by three receiving transducer probe rods, and the sound velocity and sound attenuation value of the local seawater are calculated by electronic system software. Simultaneously, the vertical transmitting transducer is started to transmit sound waves, and sound propagation information passing through the sea water is received by the transducer on the receiving lance. After the water body calibration measurement is completed, the comprehensive measurement sampling platform is placed to the seabed through a winch, the cable is continuously placed, the weight block is driven to simultaneously insert the vertical sound propagation parameter measurement spear and the transverse sound propagation parameter measurement probe (one transmitting probe and three receiving probes) which are arranged on the measurement platform into the sediment (the maximum insertion depth is 1500mm), sound velocity and sound attenuation measurement of sound wave propagation (transverse propagation and vertical propagation) in the sediment is carried out according to the steps of the water body measurement method, a measured value is transmitted to the sound measurement pressure-resistant cabin for processing and storage, and then is transmitted to the platform electronic cabin, and the measured information is remotely transmitted to a deck information processing and monitoring center for processing, storage and display. The transverse acoustic propagation parameter measurement and the vertical acoustic propagation parameter measurement can be performed synchronously.
Transverse sound propagation parameter measurement: the driving slide block moves downwards under the action of driving gravity, so that the acoustic probe rod penetrates into the depth below the seabed by a designated depth (adjusting the downward distance of the driving sliding frame), the acoustic transducer on the acoustic probe rod transmits a single-frequency sound wave signal, the signal is transversely transmitted in sediments and then received by the acoustic transducers on the other three probe rods, and the receiving circuit performs pre-amplification, filtering, automatic gain control and A/D conversion on the received sound wave signal, converts the sound wave signal into a digital signal and then stores the digital signal. And meanwhile, the sound velocity and sound attenuation coefficient of the submarine sediment are calculated according to the time difference and amplitude difference received by the three-channel sound wave signal reaching the receiving probe rod hydrophone.
Vertical acoustic propagation parameter measurement: a spear consisting of a receiving hydrophone array is inserted into the submarine sediment to a certain depth by driving a sliding block to descend under the action of driving gravity, a deck information processing and monitoring center instructs a transmitting circuit of an underwater acoustic measurement electronic cabin to transmit an acoustic wave signal vertically downwards through a transmitting transducer, the transducer array of a receiving spear upper installation device receives an acoustic wave signal vertically penetrating the submarine sediment, and the time and amplitude of the acoustic wave penetrating the submarine sediment are received to measure the sound velocity and the acoustic attenuation coefficient of the submarine sediment.
4. In-situ mechanical parameter measuring unit
4.1 in-situ mechanical parameter measurement unit:
the seabed in-situ mechanical parameter measuring unit consists of a seabed sediment penetration resistance measuring device and a seabed sediment shear strength measuring device. The device for measuring the penetration resistance of the submarine sediments consists of a penetration motor 11.4, a screw rod 11.3, a penetration cone 11.2 and a signal processor, and the device for measuring the shearing strength of the submarine sediments consists of a shearing motor 11.7, a screw rod 11.6, a cross plate shearing instrument 11.5 and a signal processor. The mechanical transmission unit for measuring the penetration resistance and the shearing strength is arranged on the same measuring frame 11.1, the penetration motor and the shearing motor both drive a screw rod to drive the penetration cone and the cross plate to be inserted into the sediment, and the difference is that the penetration is continuously inserted and the shearing is in pause type insertion. The micro-pressure sensor of the penetration cone is integrally packaged by a pressure balance principle and a cone rod, and can be used in the water depth of 4000 meters. The cross plate shearing rotating motor, the torsion sensor and the cross plate rod for shearing strength measurement are integrally packaged by a pressure balance principle and can be used in 4000 m water depth. The sediment penetration resistance measurement and the sediment shear strength measurement are performed simultaneously.
4.2 principle of in-situ mechanical parameter measuring unit
4.2.1 subsea sediment shear strength measurement: after the multifunctional platform is grounded, a 'shearing measurement' instruction is sent by a deck information processing and monitoring system in a man-machine conversation mode, and a shearing motor starts to operate according to a preset program: the shear measurement is that after a cross plate probe is inserted into a sediment for 5cm vertically, the cross plate probe is rotated for 90 degrees at a uniform speed of 5 degrees/s, and then the cross plate probe is stopped, a group of maximum shear strength values are measured, the cross plate probe is inserted into the sediment for 5cm in the total stroke of 60cm, the cross plate probe is rotated for 90 degrees by preset program control, 12 groups of data are measured, the whole stroke is measured for about 6min, and data including the insertion depth, the rotation angle and the maximum shear strength are recorded on a corresponding memory of an underwater measurement and control center.
4.2.2 subsea sediment penetration resistance measurement: the 'penetration resistance measurement' and the shear strength measurement can be carried out synchronously, a deck information processing and monitoring system sends 'penetration resistance measurement' instructions in a man-machine conversation mode, a penetration motor vertically and continuously inserts a penetration measurement cone into sediment through a screw rod at an even speed of 0.2cm/s, and the penetration cone tip resistance and the side wall friction force are measured. The total penetration stroke is 60cm, the whole process is about 6min, and the penetration resistance and the side wall friction corresponding to the penetration depth are recorded on the fixed chip at the same time.
4.2.3 measured value calculation and storage: the measurement and control center of the mechanical electronic warehouse completes the calculation of the measured values of the shearing strength and the penetration resistance of the sediment (including the calibration of the original measured values), the measured values are transmitted to the mechanical data memory by the measurement and control center to be stored, and simultaneously, the measured data are also uploaded to a deck information processing and monitoring system through a myriameter armored cable to be processed, displayed and stored.
5. Deck information processing and monitoring unit
The deck information processing and monitoring unit is formed by connecting a microprocessor module and a peripheral circuit thereof, the microprocessor is connected with the multifunctional platform, the seabed sediment sampling unit, the in-situ acoustic parameter measuring unit and the in-situ mechanical parameter measuring unit through the peripheral circuit to realize the integral monitoring function, and the deck information processing and monitoring unit comprises: the device is used for sending control instructions to the multifunctional platform, the seabed sediment sampling unit, the in-situ acoustic parameter measuring unit and the in-situ mechanical parameter measuring unit. Specifically, the working parameters of the multifunctional platform are controlled; controlling whether the seabed sediment sampling unit carries out sampling operation or not and the sampling depth of the sampling operation; controlling whether the in-situ acoustic parameter measurement unit performs acoustic measurement operation, depth of acoustic measurement and parameters of acoustic measurement; and controlling whether the in-situ mechanical parameter measuring unit performs mechanical measurement operation, depth of mechanical measurement and parameters of mechanical measurement.
The deck information processing and monitoring unit is also used for sending an uploading instruction, acquiring underwater working parameters, sampling information, mechanical measurement information and acoustic measurement information of the multifunctional platform, and processing, storing and displaying the acquired parameters and information.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (5)
1. A seabed sediment comprehensive measurement system is characterized in that: the system comprises a multifunctional platform, a seabed sediment sampling unit, an in-situ acoustic parameter measuring unit, an in-situ mechanical parameter measuring unit and a deck information processing and monitoring unit;
the multifunctional platform comprises a rack, a platform electronic bin, an underwater detection unit and an underwater visual unit; the frame consists of a platform support frame, a middle shaft guide rail frame and a gravity driving sliding frame; the middle shaft guide rail frame is a square upright column structure with vertical guide grooves arranged on the side walls of four sides and is vertically fixed at the middle position of the platform support frame; the gravity driving sliding frame is sleeved outside the middle shaft guide rail frame in a sliding manner along the vertical direction, heavy block mounting platforms are arranged on the front side and the rear side of the gravity driving sliding frame, and driving heavy blocks are mounted on the front heavy block mounting platform and the rear heavy block mounting platform; a cable connecting frame is slidably mounted in the middle shaft guide rail frame along the up-down direction, the upper end of the cable connecting frame is connected with a hoisting cable, and the cable connecting frame is in driving connection with the gravity driving sliding frame through a vertical wire groove in the middle shaft guide rail frame; a high-precision displacement sensor which forms linkage measurement with the driving sliding frame is arranged on the cable connecting frame; a servo supporting platform supported on the gravity driving sliding frame is sleeved between the front and rear driving weights; the platform electronic bin, the underwater detection unit and the underwater visual unit are arranged on the platform support frame in a distributed manner;
the seabed substrate sampling unit is vertically arranged on the follow-up support platform; the in-situ acoustic parameter measuring unit comprises a set of transverse propagation acoustic parameter measuring device, a set of vertical propagation acoustic parameter measuring device and an acoustic measurement pressure-resistant bin; the acoustic measurement pressure-resistant bin is arranged on the platform supporting frame; the transverse propagation acoustic parameter measuring device and the vertical propagation acoustic parameter measuring device are arranged and installed on the follow-up support frame; the in-situ mechanical parameter measuring unit comprises a submarine sediment penetration resistance measuring device, a submarine sediment shear strength measuring device and a mechanical electronic bin, wherein the mechanical electronic bin is arranged on the platform supporting frame, and the submarine sediment penetration resistance measuring device and the submarine sediment shear strength measuring device are both arranged on the mechanical measuring frame; the mechanical measuring frame is fixedly connected with the left side wall or the right side wall of the driving sliding frame and is arranged below the follow-up supporting frame;
the deck information processing and monitoring unit is used for sending control instructions to the multifunctional platform, the seabed sediment sampling unit, the in-situ acoustic parameter measuring unit and the in-situ mechanical parameter measuring unit; the system is also used for sending an uploading instruction, acquiring underwater working parameters, sampling information, mechanical measurement information and acoustic measurement information of the multifunctional platform, and processing, storing and displaying the acquired parameters and information.
2. The comprehensive seafloor sediment measurement system of claim 1, wherein: the servo supporting platform is composed of a sliding sleeve, an upper supporting flat plate and a lower supporting flat plate which are sleeved and fixed outside the sliding sleeve, the upper supporting flat plate and the lower supporting flat plate are the same in structure and are aligned vertically, and the upper supporting flat plate and the lower supporting flat plate extend out of the left side and the right side of the gravity driving sliding frame.
3. The comprehensive seafloor sediment measurement system of claim 2, wherein: the seabed sediment sampling unit adopts a multi-tube sediment sampler and/or a columnar sediment sampler, and the sampler is vertically and fixedly arranged on the left extending part of the upper and lower support flat plates.
4. The comprehensive seafloor sediment measurement system of claim 2, wherein: the transverse propagation acoustic parameter measuring device comprises a transmitting probe rod and three receiving probe rods which form a horizontal measuring array, a transmitting transducer and a receiving transducer are both arranged at the top end of the corresponding probe rod, and the transmitting probe rod and the three receiving probe rods are respectively and vertically and fixedly arranged at two corner positions of a left side external extension part and two corner positions of a right side external extension part of an upper and lower supporting flat plate; the vertical propagation acoustic parameter measuring device is characterized in that a measuring array in the vertical direction is formed by a lance for mounting 3 receiving transducers at equal intervals and a transmitting transducer arranged on a follow-up platform, and the lance is vertically mounted in the middle of the right outer extending parts of the upper support flat plate and the lower support flat plate.
5. The comprehensive seafloor sediment measurement system of claim 2, wherein: the device for measuring the penetration resistance of the submarine sediments consists of a penetration motor, a screw rod, a penetration cone and a penetration signal processor; the device for measuring the shearing strength of the submarine sediments consists of a shearing motor, a screw rod, a cross plate shearing instrument and a shearing signal processor; the penetration signal processor and the shearing signal processor are both arranged in the mechanical electronic bin, and the penetration motor, the screw rod, the penetration cone, the shearing motor, the screw rod and the cross plate shearing instrument are arranged on the mechanical measuring frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121507021.4U CN215573091U (en) | 2021-07-05 | 2021-07-05 | Comprehensive measuring system for seabed sediment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121507021.4U CN215573091U (en) | 2021-07-05 | 2021-07-05 | Comprehensive measuring system for seabed sediment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215573091U true CN215573091U (en) | 2022-01-18 |
Family
ID=79823260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121507021.4U Active CN215573091U (en) | 2021-07-05 | 2021-07-05 | Comprehensive measuring system for seabed sediment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215573091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483822A (en) * | 2021-07-05 | 2021-10-08 | 中国人民解放军92859部队 | Comprehensive measuring system for seabed sediment |
-
2021
- 2021-07-05 CN CN202121507021.4U patent/CN215573091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483822A (en) * | 2021-07-05 | 2021-10-08 | 中国人民解放军92859部队 | Comprehensive measuring system for seabed sediment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110422281B (en) | Ocean Internet of things intelligent buoy, water surface or underwater target detection system and method thereof | |
| CN108106965B (en) | Device and method for in-situ simultaneous measurement of acoustic and physical parameters of seabed sediments | |
| CN105548368B (en) | Ballast penetration type bottom sediment acoustic property in-site measuring device | |
| WO2021227605A1 (en) | Rov-based in-situ detection system and method for acoustic parameters of deep sea sediment | |
| CN205384247U (en) | Ballast injection formula deep -sea sediment acoustic characteristic normal position measuring device | |
| CN112816559B (en) | In-situ measurement sampling device | |
| CN101386340B (en) | A hull detection underwater robot | |
| JP5223532B2 (en) | Water column observation apparatus and method | |
| CN106645421B (en) | A kind of seabed sediment acoustics in situ measurement and synchronous sampling device and method | |
| CN105864644B (en) | Intelligent detector for deep sea submarine pipelines and detection method | |
| CN111103622A (en) | In-situ measurement system and method for low-frequency acoustic characteristics in submarine sediments | |
| CN101975820A (en) | Submarine sediment acoustic parameter in-situ measuring device | |
| CN112526591B (en) | An acoustic in-situ sampling and measurement system for seafloor sediments | |
| CN102954935A (en) | On-spot detection device of mechanical properties is glued to existing glass curtain wall structure | |
| CN215573091U (en) | Comprehensive measuring system for seabed sediment | |
| CN110145653A (en) | A pipeline intelligent detection robot and detection method | |
| CN211786146U (en) | In-situ measurement system for low-frequency acoustic characteristics in submarine sediments | |
| CN115588276A (en) | Remote monitoring and early warning station and monitoring and early warning method for marine geological disasters | |
| CN111352161A (en) | Seabed in-situ detector and seabed in-situ acoustic characteristic detection method | |
| CN108008397A (en) | For the device and its detection method being detected in muddy water to submerged structure | |
| EP4495546A1 (en) | Cable-connected separable marine geological environment investigation apparatus and operating method therefor | |
| CN205785902U (en) | Multifunctional gravity formula marine sediment sampler | |
| CN113483822A (en) | Comprehensive measuring system for seabed sediment | |
| CN102109343A (en) | Undersea sediment acoustic parameter in-situ measuring system | |
| CN107064294B (en) | Data acquisition device of submarine sediment in-situ acoustic measurement system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |