CN117310819A - Marine ocean bottom seismic exploration equipment and system for ocean comprehensive survey - Google Patents
Marine ocean bottom seismic exploration equipment and system for ocean comprehensive survey Download PDFInfo
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- CN117310819A CN117310819A CN202311631858.3A CN202311631858A CN117310819A CN 117310819 A CN117310819 A CN 117310819A CN 202311631858 A CN202311631858 A CN 202311631858A CN 117310819 A CN117310819 A CN 117310819A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 32
- 238000004804 winding Methods 0.000 description 16
- 238000013461 design Methods 0.000 description 14
- 238000005474 detonation Methods 0.000 description 13
- 230000003139 buffering effect Effects 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
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- 230000001174 ascending effect Effects 0.000 description 1
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- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3808—Seismic data acquisition, e.g. survey design
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
Abstract
The invention discloses ocean bottom seismic exploration equipment and a system for an ocean comprehensive survey ship, which relate to the technical field of ocean exploration and comprise seismic source equipment, gun array equipment and exploration equipment, wherein the seismic source equipment and the exploration equipment are arranged on the ocean comprehensive survey ship, the seismic source equipment comprises at least one air compressor, the air compressor is connected with an air supply pipe, the air supply pipe is connected with the gun array equipment at intervals, the gun array equipment comprises a conversion head, the conversion head comprises at least 3 ports, one end of the conversion head is connected with the air supply pipe, the other ports of the conversion head are connected with air guns, each port of the conversion head is sleeved with a sliding sleeve, the sliding sleeve comprises a sliding pipe, through holes are coaxially arranged on the sliding pipe, a plurality of air bags are arranged around the sliding pipe along the length direction of the sliding pipe, two ends of each air bag extend to form a hose, and the hose is bent and connected with the sliding pipe. The invention aims to provide marine ocean bottom earthquake detection equipment and system for marine comprehensive measurement, which are easy to operate, good in universality and high in efficiency.
Description
Technical Field
The invention belongs to the technical field of ocean exploration, and particularly relates to ocean earthquake exploration equipment and system for an ocean comprehensive measurement ship.
Background
The comprehensive investigation ship is used as an important platform for ocean exploration and research, and is the most important component for ocean scientific research capability construction. In the prior art, the air supply pipes and the air guns of the multi-channel earthquake and the submarine earthquake (OBS) are different, a set of earthquake equipment is provided with a special air supply pipe and a special air gun, the space of the marine science comprehensive survey ship is limited, especially the rear deck operation space is required to meet the operation requirements of various disciplines, too much fixed space cannot be occupied, so that the marine science comprehensive survey ship can only be installed with one of the multi-channel earthquake or the submarine earthquake (OBS) earthquake equipment when one sea comes out, and the detection efficiency of the marine science comprehensive survey ship is seriously reduced; in addition, the earthquake equipment in the prior art is fixed and separately and dispersedly installed, so that the equipment is inconvenient to replace; finally, the prior art airguns suffer from poor synchronicity.
The prior art is named as an invention patent of a coaxial double-chamber earthquake air gun, and the publication number of the invention is US4715023A. The invention provides a coaxial double-chamber earthquake air gun, two air chambers are simultaneously launched to offset the generated reaction force, and the air chambers are symmetrical in the air gun shell, so that the movement of the internal parts can be balanced when in operation. The spray gun is coaxially arranged on the air supply device of the seismic array, and provides a good appearance for traction. The invention has good balance, but the invention can not realize simultaneous operation and has more operation flow.
Disclosure of Invention
The invention aims to provide marine ocean bottom earthquake detection equipment and system for marine comprehensive measurement, which are easy to operate, good in universality and high in efficiency.
The technical scheme adopted by the invention for achieving the purpose is as follows:
the marine submarine earthquake detection device for the marine comprehensive measurement comprises a earthquake source device, a gun array device and a detection device, wherein the earthquake source device and the detection device are arranged on the marine comprehensive measurement ship, the earthquake source device comprises at least one air compressor, the air compressor is connected with air supply pipes, the air supply pipes are connected with the gun array device at intervals, the gun array device comprises a conversion head, the conversion head comprises at least 3 ports, one end of the conversion head is connected with the air supply pipe, the other ports of the conversion head are connected with the air guns, each port of the conversion head is sleeved with a sliding sleeve, the sliding sleeve comprises a sliding pipe, the sliding pipe is coaxially provided with a through hole, the sliding pipe is surrounded by a plurality of air bags arranged along the length direction of the sliding pipe, the two ends of each air bag are extended with flexible pipes, and the flexible pipes are bent and connected with the sliding pipe;
the marine comprehensive measuring ship extends to form a towing cable which is connected with gun array equipment.
Through the integral design of marine ocean bottom seismic exploration equipment of marine comprehensive survey, dispose the focus equipment on marine comprehensive survey ship, can pass through the trachea with high-pressure air through at least one air compressor machine and carry in the rifle battle array equipment, rifle battle array equipment can put in the water, can realize gaseous control through the change over head in the rifle battle array equipment, can realize the gas output to the air gun through the change over head promptly, the air gun is multichannel earthquake air gun and/or OBS air gun. The sliding sleeves are arranged at the ports of the conversion head, so that the strength of the ports of the conversion head can be ensured, namely, the ports of the conversion head are protected through the sliding sleeves, the pipe bodies extending out of the ports of the conversion head can be prevented from being mutually wound together, and the problem of inconsistent air flow conveying of the conversion head caused by winding is further avoided; in addition, the through-hole that slides the cover middle part and set up is used for the cover to establish in each interface department of change over head, and after gun array equipment drops in water, the ship can drive gun array equipment and move to the assigned position and start, at this in-process, the water can wash gun array equipment and realize sliding cover round trip movement, and the cover side of sliding is equipped with a plurality of gasbags, and the setting effect of gasbag is as follows: the first one can realize providing ascending buoyancy supporting effect to the conversion head, and its second one can prevent that the conversion head from bumping with air gun or other article, and third one can change the looks and improve the diameter of each port of conversion head, can prevent that the body of each port connection from taking place to twine, and at the in-process that the cover removed that slides, can realize the surface slip to each port department of conversion head, can clean its surface. The hose is extended at the two ends of the air bag, the hose is bent and connected with the sliding pipe, the impact on the side can be absorbed, furthermore, a limiting table is arranged at the limiting position of sliding of the sliding sleeve, and the hose can be in contact with the limiting table or the wall surface to realize limiting.
Wherein the detection device comprises a magnetometric detector towed by a towing cable, further comprises an OBS marine seismograph and a seafloor geothermal or thermal ocean bottom probe released into the sea, and further comprises a marine gravimeter.
Furthermore, the air supply pipe and the air compressor are directly provided with a constant pressure chamber.
Still further, the airguns comprise one or a combination of more of a BLLT airgun, a SLEEVE airgun, a G airgun.
Furthermore, the air gun comprises an electromagnetic valve, a detonation chamber, a return chamber, a main air chamber and a valve core, wherein an adjustable adjusting sliding sleeve is arranged in the main air chamber, the adjusting sliding sleeve can penetrate into the main air chamber or retract into the outer wall of the air gun, and the capacity of the main air chamber of the air gun is adjusted through the adjusting sliding sleeve.
According to one embodiment of the invention, the switch head port is connected to the firing chamber of the air gun.
Through the design, the multi-channel earthquake air gun and/or the OBS air gun are arranged in a whole, the bypass connecting pipes are arranged on the detonation chambers of the air guns, the end parts of the conversion heads are connected with the bypass connecting pipes, the detonation chambers of the air guns are communicated through the bypass connecting pipes, stable pressure can be quickly built in the detonation chambers, the pressure of the detonation chambers is not uniform due to the difference of manufacturing processes, so that the problem of poor detonation synchronism is caused, and the detonation synchronism is greatly improved.
According to an embodiment of the invention, the gun array device further comprises a first frame body, the plurality of earthquake air guns and/or the OBS air guns are fixed in the first frame body, a plurality of adjusting components are arranged in the first frame body, a plurality of adjusting components are also arranged on the top side of the first frame body, a dragging component is arranged on the side of the first frame body, and a protection component is arranged at the bottom of the first frame body.
Through the design, fix multichannel earthquake air gun and/or OBS air gun in first support, and all be equipped with a plurality of adjustment subassembly with the topside in first support, adjustment subassembly is used for adjusting the gesture and the position of first support, can realize at the in-process that first support moved along with ocean comprehensive survey ship to and when the air gun in first support starts, adjust the position of the good air gun of gesture of air gun, can improve the precision of detection. Meanwhile, a dragging component is arranged on the side of the first frame body and is used for being connected with the first frame body adjacent to the side, a protection component is arranged on the bottom side of the first frame body and is used for realizing the dragging process of the first frame body on the ocean comprehensive measurement ship, the dragging speed and stability of the first frame body can be improved, meanwhile, the bottom of the first frame body can be prevented from being damaged, and then an air gun and a conversion head in the first frame body can be protected.
According to one embodiment of the invention, the dragging assembly comprises a first plate body, wherein one side of the first plate body is provided with a connecting rod, the connecting rod is hinged with a first frame body, the other side of the first plate body is provided with at least two first connecting rods, the other end of each first connecting rod is connected with a hinged frame, one side of each hinged frame, far away from the first plate body, is provided with a connecting column, and the side of each connecting column is provided with a connecting hole;
one side of the first plate body, which is connected with the first connecting rod, is provided with a connecting rope body which is used for connecting adjacent gun array equipment.
Through the design, the connecting rod is hinged with the first frame body, so that a certain swing amplitude between the dragging assembly and the first frame body can be realized; meanwhile, the towing component is used for being connected with the first frame bodies adjacent to the sides, so that a plurality of first frame bodies can work simultaneously, the first frame body closest to the ocean comprehensive measurement ship is connected with the towing component, the connecting rope body on the towing component is connected with the ocean comprehensive measurement ship, the problem that the end part of the first frame body is inclined upwards due to towing factors brought by the ship towing is avoided, the towing component is inclined due to the force of the ship towing, and the connecting rod connected with the first frame body is in a hinged mode, so that the first frame body can keep the original horizontal or target state in water; in addition, articulated frame one side is equipped with the spliced pole, and the spliced pole side is provided with the connecting hole, and the connecting rope body passes the connecting hole setting, and the connecting hole is used for the determination to connecting rope body position, prevents to connect rope body winding, and the articulated frame can be to the position removal of connecting hole with confirm, can further prevent that first support body tip from producing the appearance of the problem of upwards slope, can also realize that the articulated frame provides certain target angle, realizes the removal of more steady first support body. In addition, the towed assembly can realize the protection effect, the underwater towed assembly is arranged in front of the first frame body, and if an obstacle is arranged in front of the towed assembly, the towed assembly collides with the obstacle first, and all the devices on the first frame body with high value are protected.
According to the embodiment of the invention, the first connecting rod is provided with the telescopic bodies, the telescopic bodies comprise telescopic cover bodies which are oppositely arranged, the first springs are arranged between the telescopic cover bodies, and the telescopic cover bodies are provided with a plurality of first hole bodies.
In the process that first support body marred, the speed of first support body can change, is connected through dragging the subassembly between each adjacent first support body simultaneously, and at this in-process, the interval between the first support body can change, can make the connection distance of connecting the rope body change this moment, can tighten or loosen between connecting rope body and the adjacent first support body promptly, at this in-process, the connecting rope body can drive spliced pole and articulated frame and remove and rotate, can realize certain buffering effect.
The flexible body can realize the in-process that the connection distance that connects the rope body changed, flexible body can be deformed to further strengthen the buffering effect, wherein, flexible lid that flexible body expansion deformation in-process, two looks relatively set up can be stretched, outside water can enter into the inside of flexible body through the first hole body on the flexible lid, flexible body compression deformation in-process, the flexible lid that two looks relatively set up can extrude, the inside water of flexible body can be discharged through first hole body, wherein first spring is used for realizing the reset of flexible body and the deformation scope control of flexible body. The telescopic body can realize stronger buffering effect in the process of expansion deformation and compression deformation, and then the buffering effect of dragging the subassembly is improved. In addition, at the telescopic body at compression deformation and tensile deformation's in-process, can realize the removal to the water near the subassembly of dragging, and then can realize dragging the attachment reduction on the first body of rod of subassembly, can reduce simultaneously and drag near the gathering biology of subassembly, prevent that the attachment on the first body of rod from leading to gun array equipment whole speed of marcing and degree of depth location to appear problem.
According to one embodiment of the invention, a winding disc body is arranged between the first connecting rods, the winding disc body is an annular pipe with a notch, and the connecting rope body preferentially penetrates through the annular pipe.
The connecting rope body extends out from the first plate body and preferentially penetrates through the winding plate body, and the winding plate body is an annular pipe with a notch, so that the annular pipe is provided with an inlet and an outlet, the connecting rope body enters the annular pipe from the inlet and penetrates out from the outlet, and the connecting rope body passes through the connecting hole and is connected with an adjacent gun array after coming out from the annular pipe. Through the design, when the connecting rope body is dragged, the connecting rope body compresses the inner diameter of the annular pipe, at the moment, the annular pipe is deformed, and meanwhile, the extending length of the connecting rope body from the outlet is relatively increased; when the drag force disappears, the annular pipe can rebound to the original shape, and then the length of the connecting rope body extending out of the outlet is reduced, if the moving speed change of the ship body in the drag process of the ocean comprehensive measurement ship does not have great influence on the displacement of the first frame body in the drag process, for example, the ocean comprehensive measurement ship suddenly speeds up under the condition of lower navigation speed, the drag impact is buffered through the hinged frame and the winding disc body at first, the first frame body is prevented from being directly dragged, and the moving speed and the state stability of the first frame body can be realized.
According to one embodiment of the invention, the swing blades are symmetrically arranged on two sides of the towing assembly and are rotatably connected with the first connecting rod.
Through the design, the swing blade schemes on the two sides of the towing component can guide the water body in the towing process, so that the water body is prevented from flowing towards the first frame body on the rear side in a concentrated manner, the interference of water flow on the first frame body is reduced, and the stability of the first frame body in water is maintained; and because the marine comprehensive survey ship drags, whole the component of draging that moves should be upwards inclined, the rivers that flow through the pendulum leaf are to the below direction of first support body, and when the air gun on the first support body works like this, it is the downward output energy, and the rivers that pass through pendulum She Daoliu have the promotion effect of strengthening to the air gun output energy.
A marine comprehensive survey ship submarine seismic exploration system adopts a marine comprehensive survey ship, wherein the marine comprehensive survey ship is provided with marine comprehensive survey ship submarine seismic exploration equipment, and the marine comprehensive survey ship is also provided with data acquisition and receiving equipment, data processing equipment and communication equipment. The system has the following operation method:
s1: preprocessing, namely setting interfaces with different spacing distances on the air supply pipe according to different positions of a seismic source required by multi-channel earthquake and OBS measurement;
s2: the first trip: multiple channels of earthquake measurement and OBS throwing, wherein an air supply pipe is connected with the multiple channels of earthquake air guns and towed, multiple channels of earthquake operation and measurement are implemented, and an OBS marine seismograph is thrown into the sea point by point;
s3: the first return stroke comprises the steps of replacing air guns and OBS blasting and magnetic force detection, replacing a plurality of earthquake air guns with large-capacity OBS air guns through a conversion connector, performing OBS blasting operation, and simultaneously dragging a magnetometer to acquire magnetic force data and shipborne gravity measurement;
s4: and going out for the second time, recovering the OBS marine seismograph, and simultaneously carrying out fixed-point submarine heat flow measurement.
Drawings
FIG. 1 is a schematic view showing the state of use of a marine seismic survey apparatus;
FIG. 2 is a schematic diagram of a switch head assembly;
FIG. 3 is a schematic perspective view of a slip cap;
FIG. 4 is a schematic perspective view of a gun array apparatus;
FIG. 5 is a schematic side view of a gun array apparatus;
FIG. 6 is a schematic perspective view of a tow assembly;
FIG. 7 is a perspective view of a telescopic body;
FIG. 8 is a schematic view of a telescopic body assembly;
FIG. 9 is a partial schematic perspective view of the shield assembly;
fig. 10 is a schematic side view of the shield assembly.
Reference numerals: the gun array apparatus 1, the conversion head 11, the port 111, the first frame body 12, the adjustment assembly 13, the ocean complex survey vessel 2, the air pipe 21, the slip cover 3, the slip pipe 31, the through hole 32, the air bag 33, the hose 34, the towing assembly 4, the first plate body 41, the connecting rod 42, the first connecting rod 43, the hinge bracket 44, the connecting column 45, the connecting hole 46, the connecting rope 47, the coiling plate body 48, the annular pipe 481, the swinging vane 49, the telescopic body 5, the telescopic cover body 51, the first hole body 52, the first spring 53, the protection assembly 6, the protection base body 61, the air column 62, the rotating wheel 63, the strip base body 64, the strip body 65, and the rotating connecting piece 66.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments and the attached drawings:
example 1:
1-8, marine ocean bottom seismic exploration equipment for marine comprehensive survey comprises seismic source equipment, gun array equipment 1 and exploration equipment, wherein the seismic source equipment and the exploration equipment are arranged on a marine comprehensive survey ship 2, the seismic source equipment comprises at least one air compressor, the air compressor is connected with an air supply pipe 21, the air supply pipe 21 is connected with the gun array equipment 1 at intervals, the gun array equipment 1 comprises a conversion head 11, the conversion head 11 comprises at least 3 ports 111, one end of the conversion head 11 is connected with the air supply pipe 21, other ports 111 of the conversion head 11 are connected with air guns, each port 111 of the conversion head 11 is sleeved with a sliding sleeve 3, the sliding sleeve 3 comprises a sliding pipe 31, the sliding pipe 31 is coaxially provided with a through hole 32, the sliding pipe 31 is circumferentially provided with a plurality of air bags 33 arranged along the length direction of the sliding pipe 31, two ends of the air bags 33 are extended with flexible pipes 34, and the flexible pipes 34 are bent and connected with the sliding pipe 31;
marine survey vessel 2 extends has a streamer connected to gun array apparatus 1.
Through the integral design of the marine ocean bottom earthquake detection equipment for the marine comprehensive measurement ship, the marine comprehensive measurement ship 2 is provided with the earthquake source equipment, high-pressure air can be conveyed into the gun array equipment 1 through at least one air compressor, the gun array equipment 1 can be put in a water body, the gun array equipment 1 can realize the control of gas through the conversion head 11, namely, the gas can be output to a plurality of earthquake air guns and/or OBS air guns through the conversion head 11. The sliding sleeve 3 is arranged at each port 111 of the conversion head 11, the sliding sleeve 3 can ensure the strength of each port 111 of the conversion head 11, namely, the sliding sleeve 3 protects each port 111 of the conversion head 11, so that the problem that the air flow of the conversion head 11 is not uniform due to winding due to the fact that the pipe bodies extending out of each port 111 of the conversion head 11 are mutually wound can be avoided; in addition, the through hole 32 that the cover 3 middle part that slides set up is used for the cover to establish in each interface department of change over head 11, and after gun matrix device 1 thrown in water, the ship can drive gun matrix device 1 and move and start after the assigned position, in this process, the water can wash gun matrix device 1 and realize the cover 3 round trip movement that slides, and the cover 3 side that slides is equipped with a plurality of air bags 33, and the setting effect of air bag 33 is as follows: the first one can realize the upward buoyancy supporting effect for the conversion head 11, the second one can prevent the conversion head 11 from colliding with an air gun or other objects, the third one can change the phase to improve the diameter of each port 111 of the conversion head 11, can prevent the pipe body connected with each port 111 from winding, and can realize the surface sliding of each port 111 of the conversion head 11 and the surface cleaning of the surface in the moving process of the sliding sleeve 3. The hose 34 is extended at two ends of the air bag 33, the hose 34 is bent and connected with the sliding tube 31, so that side impact can be absorbed, furthermore, a limiting table is arranged at the limiting position of the sliding sleeve 3, and the hose 34 can be in contact with the limiting table or the wall surface to realize limiting.
Wherein the detection device comprises a magnetometric detector towed by a towing cable, further comprises an OBS marine seismograph and a seafloor geothermal or thermal ocean bottom probe released into the sea, and further comprises a marine gravimeter.
Further, the air supply pipe 21 and the air compressor are directly provided with a constant pressure chamber.
Still further, the airguns comprise one or a combination of more of a BLLT airgun, a SLEEVE airgun, a G airgun.
Furthermore, the air gun comprises an electromagnetic valve, a detonation chamber, a return chamber, a main air chamber and a valve core, wherein an adjustable adjusting sliding sleeve is arranged in the main air chamber, the adjusting sliding sleeve can penetrate into the main air chamber or retract into the outer wall of the air gun, and the capacity of the main air chamber of the air gun is adjusted through the adjusting sliding sleeve.
The port 111 of the switching head 11 is connected with the explosion chamber of the air gun.
Through the design, multichannel earthquake air gun and/or OBS air gun set up in an organic wholely, are equipped with bypass connecting pipe on the detonation chamber of each air gun, and conversion head 11 tip and bypass connecting pipe interconnect are through a bypass connecting pipe intercommunication between each detonation chamber of air gun, can establish stable pressure in each detonation chamber fast, reduce because manufacturing process's difference causes detonation chamber pressure non-uniform to lead to the poor problem of detonation synchronism, improve the synchronism of detonating greatly.
The gun array device 1 further comprises a first frame body 12, the air gun is fixed in the first frame body 12, a plurality of adjusting assemblies 13 are arranged in the first frame body 12, a plurality of adjusting assemblies 13 are also arranged on the top side of the first frame body 12, a dragging assembly 4 is arranged on the side of the first frame body 12, and a protection assembly 6 is arranged at the bottom of the first frame body 12.
Through the design, a plurality of earthquake air guns and/or OBS air guns are fixed in the first frame body 12, a plurality of adjusting assemblies 13 are arranged in the first frame body 12 and on the top side, the adjusting assemblies 13 are used for adjusting the posture and the position of the first frame body 12, and therefore the detection precision can be improved by adjusting the posture of the air guns in the process that the first frame body 12 moves along with the ocean comprehensive survey ship 2 and when the air guns in the first frame body 12 are started. Meanwhile, the first frame body 12 is provided with the dragging assembly 4 at the side, the dragging assembly 4 is used for being connected with the first frame body 12 adjacent to the side, the bottom side of the first frame body 12 is provided with the protection assembly 6, the protection assembly 6 is used for improving the dragging speed and stability of the first frame body 12 when the first frame body 12 drags on the ocean comprehensive measurement ship 2, and meanwhile, the bottom of the first frame body 12 is prevented from being damaged, and then the air gun and the conversion head 11 in the first frame body 12 can be protected.
The dragging assembly 4 comprises a first plate body 41, wherein one side of the first plate body 41 is provided with a connecting rod 42, the connecting rod 42 is hinged with the first frame body 12, the other side of the first plate body 41 is provided with at least two first connecting rods 43, the other end of each first connecting rod 43 is connected with a hinged frame 44, one side, far away from the first plate body 41, of each hinged frame 44 is provided with a connecting column 45, and the side of each connecting column 45 is provided with a connecting hole 46;
the side of the first plate 41 connected with the first connecting rod 43 is provided with a connecting rope body 47, and the connecting rope body 47 is used for connecting adjacent gun array devices 1.
Through the design, the connecting rod 42 is hinged with the first frame body 12, so that a certain swing amplitude between the towing component 4 and the first frame body 12 can be realized; meanwhile, the towing component 4 is used for being connected with the first frame bodies 12 adjacent to the side, so that a plurality of first frame bodies 12 can work simultaneously, the towing component 4 connected with the first frame body 12 closest to the ocean comprehensive measurement ship 2 is connected with the connection rope body 47 on the towing component 4, the problem that the end part of the first frame body 12 is inclined upwards due to towing factors caused by towing of the ship is avoided, the towing component 4 is inclined due to the towing force of the ship, and the connecting rod 42 connected with the towing component 4 and the first frame body 12 is in a hinged mode, so that the first frame body 12 can keep the original horizontal or target state in water; in addition, articulated frame 44 one side is equipped with spliced pole 45, and spliced pole 45 side is provided with connecting hole 46, and connecting rope body 47 passes connecting hole 46 and sets up, and connecting hole 46 is used for the determination to connecting rope body 47 position, prevents connecting rope body 47 winding, and articulated frame 44 can be to the position removal and the determination of connecting hole 46, can further prevent that first support body 12 tip from producing the appearance of the problem of upwards inclination, can also realize articulated frame 44 provides certain target angle, realizes the removal of more steady first support body 12. In addition, the towing component 4 can realize the protection function, the underwater towing component 4 is arranged in front of the first frame body 12, and if an obstacle is arranged in front of the underwater towing component 4, the towing component 4 collides with the obstacle first, and all the devices on the first frame body 12 with high value are protected.
The first connecting rod 43 is provided with a telescopic body 5, the telescopic body 5 comprises telescopic cover bodies 51 which are oppositely arranged, a first spring 53 is arranged between the telescopic cover bodies 51, and a plurality of first hole bodies 52 are arranged on the telescopic cover bodies 51.
In the process of advancing the first frame bodies 12, the speed of the first frame bodies 12 can be changed, meanwhile, adjacent first frame bodies 12 are connected through the dragging assembly 4, in the process, the distance between the first frame bodies 12 can be changed, at the moment, the connection distance of the connection rope bodies 47 can be changed, namely, the connection rope bodies 47 can be tightened or loosened with the adjacent first frame bodies 12, in the process, the connection rope bodies 47 can drive the connection columns 45 and the hinged frames 44 to move and rotate, and a certain buffering effect can be achieved.
The telescopic body 5 can be realized in the process that the connection distance of connecting the rope body 47 changes, the telescopic body 5 can be deformed, so as to further strengthen the buffering effect, wherein, the telescopic body 5 expands the deformation in-process, the telescopic cover body 51 that two phases set up can stretch, outside water can enter into the inside of the telescopic body 5 through the first hole body 52 on the telescopic cover body 51, the telescopic body 5 compresses the deformation in-process, the telescopic cover body 51 that two phases set up can extrude, the water of telescopic body 5 inside can be discharged through the first hole body 52, wherein the first spring 53 is used for realizing the reset of the telescopic body 5 and the deformation range control of the telescopic body 5. The telescopic body 5 can realize a strong buffering effect in the process of expansion deformation and compression deformation, and further the buffering effect of the dragging assembly 4 is improved. In addition, at the in-process of compression deformation and tensile deformation of the telescopic body 5, the water body nearby the dragging assembly 4 can be moved, and then the reduction of attachments on the first rod body of the dragging assembly 4 can be realized, meanwhile, the accumulation organisms nearby the dragging assembly 4 can be reduced, and the problems of overall advancing speed and depth positioning of the gun array device 1 caused by attachments on the first rod body are prevented.
A winding disc 48 is arranged between the first connecting rods 43, the winding disc 48 is an annular pipe 481 with a notch, and the connecting rope 47 preferentially passes through the annular pipe 481.
The winding disc 48 is disposed between the first links 43, the connecting ropes 47 extend from the first plate 41 to pass through the winding disc 48 preferentially, and the winding disc 48 is a ring tube 481 with a notch, so that the ring tube 481 has an inlet and an outlet, the connecting ropes 47 enter the ring tube 481 from the inlet and pass through the outlet, and the ropes pass through the connecting holes 46 and are connected with the adjacent gun arrays after exiting from the ring tube 481. With the above-described design, when the connecting rope body 47 is dragged, the connecting rope body 47 compresses the inner diameter of the annular tube 481, and at this time, the annular tube 481 is deformed while the length of the connecting rope body 47 extending from the outlet is relatively increased; when the drag force disappears, the annular tube 481 will rebound to the original shape, so that the length of the connecting rope 47 extending from the outlet is reduced, if the displacement of the first frame 12 in the drag process is not greatly affected by the change of the moving speed of the ship body in the drag process of the ocean integrated measurement ship 2, for example, the sudden speed increase of the ocean integrated measurement ship 2 under the condition of lower navigation speed, the drag impact is buffered by the hinge frame 44 and the winding disc 48, the direct drag of the first frame 12 is avoided, and the moving speed and the stable state of the first frame 12 can be realized.
Swing blades 49 are symmetrically arranged on two sides of the dragging assembly 4, and the swing blades 49 are rotationally connected with the first connecting rod 43.
Through the design, the swinging blades 49 on the two sides of the towing component 4 can guide the water body in the towing process, so that the water body is prevented from flowing towards the first frame 12 on the rear side in a concentrated manner, the interference of water flow on the first frame 12 is reduced, and the stability of the first frame 12 in water is maintained; and because of the towing of the marine integrated survey vessel 2, the whole towing assembly 4 should be inclined upwards, so that the water flow flowing through the swinging blades 49 flows downwards towards the lower direction of the first frame 12, and when the air gun on the first frame 12 works, the water flow guided by the swinging blades 49 outputs energy downwards, and has a pushing and reinforcing effect on the energy output by the air gun.
The marine comprehensive survey ship marine ocean bottom seismic exploration system adopts a marine comprehensive survey ship 2, wherein the marine comprehensive survey ship 2 is provided with marine comprehensive survey ship ocean bottom seismic exploration equipment, and the marine comprehensive survey ship 2 is also provided with data acquisition and receiving equipment, data processing equipment and communication equipment. The system has the following operation method:
s1: preprocessing, namely setting interfaces with different spacing distances on the air supply pipe 21 according to different positions of a seismic source required by multi-channel earthquake and OBS measurement;
s2: the first trip: multiple channels of earthquake measurement and OBS throwing, connecting and dragging the air supply pipe 21 with multiple channels of earthquake air guns, performing multiple channels of earthquake operation and measurement, and throwing the OBS marine seismograph into the sea point by point;
s3: the first return stroke comprises the steps of replacing air guns and OBS blasting and magnetic force detection, replacing a plurality of earthquake air guns with large-capacity OBS air guns through a conversion connector, performing OBS blasting operation, and simultaneously dragging a magnetometer to acquire magnetic force data and shipborne gravity measurement;
s4: and going out for the second time, recovering the OBS marine seismograph, and simultaneously carrying out fixed-point submarine heat flow measurement.
Example 2:
as shown in fig. 9 and 10, according to another embodiment of the present invention, the marine ocean bottom seismic prospecting apparatus for marine integrated survey is different from example 1 in that the guard assembly 6 includes a guard base 61, the guard base 61 is disposed at intervals on the bottom side of the first frame 12, bent air columns 62 are disposed on the adjacent sides of the guard base 61, the air columns 62 of the adjacent guard base 61 are connected to each other, at least 4 rotating wheels 63 are disposed on the side of the guard base 61 away from the first frame 12, at least one strip-shaped base 64 is disposed on the side of the guard base 61 away from the first frame 12, and a strip-shaped body 65 extends on the strip-shaped base 64 toward the side away from the first frame 12;
a rotary connecting piece 66 is arranged between two adjacent protective matrixes 61 at the bottom corners of the first frame body 12, and the rotary connecting piece 66 is used for connecting the first frame body 12.
Through the design, the protection component 6 is arranged at the bottom of the first frame body 12, so that when the first frame body 12 drags on the deck of the ship body and the first frame body 12 is placed in the container, friction or abrasion between the bottom of the first frame body 12 and each component in the first frame body 12 and the deck can be prevented; in addition, a plurality of rotating wheels 63 are arranged on one side of the protective base 61 away from the first frame body 12, and the rotating wheels 63 can slide on a deck and a container; meanwhile, the protection substrates 61 are connected through the air column 62, so that in the process that the first frame body 12 moves in the water body, the protection substrates 61 can swing to guide the water body passing through the bottom of the first frame body 12, the stability of water flow below the dragging assembly 4 and the first frame body 12 is improved, and shaking and the like caused by turbulence and the like below the dragging assembly 4 and the first frame body 12 are avoided; in addition, the design of the strip body 65 can realize that when the first frame body 12 is placed on a deck or a container, a gap is formed between the towing component 4 and the first frame body 12 and the deck or the container, so that the first frame body 12 is convenient to use a forklift or to hoist, in addition, due to the existence of the gap, water on the surface of the towing component 4 and the first frame body 12 fished out of water is easy to drip, and the water cannot accumulate at the bottom.
Further, the guard assembly 6 may also be disposed below the tow assembly 4. The bottom of the towing component 4 can be protected, namely the problems of friction and labor-consuming towing of the towing component 4 on a ship body are avoided or solved; meanwhile, when the towed assembly 4 is placed on a deck or a container, a gap is reserved between the towed assembly 4 and the deck or the container, so that the towed assembly 4 is convenient to use by a forklift or hoist, and for the towed assembly 4 fished out of water, water on the surface of the towed assembly is easy to drip and cannot accumulate at the bottom.
While the foregoing embodiments have been described in detail in connection with the embodiments of the invention, it should be understood that the foregoing embodiments are merely illustrative of the invention and are not intended to limit the invention, and any modifications, additions, substitutions and the like made within the principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The marine submarine earthquake detection device for the marine comprehensive survey vessel comprises a earthquake source device, a gun array device (1) and a detection device, wherein the earthquake source device and the detection device are arranged on the marine comprehensive survey vessel (2), the earthquake source device comprises at least one air compressor, the air compressor is connected with an air supply pipe (21), the air supply pipe (21) is connected with the gun array device (1) at intervals, the marine submarine earthquake detection device is characterized in that the gun array device (1) comprises a conversion head (11), the conversion head (11) comprises at least 3 ports (111), one end of the conversion head (11) is connected with the air supply pipe (21), other ports (111) of the conversion head (11) are connected with air guns, each port (111) of the conversion head (11) is sleeved with a sliding sleeve (3), the sliding sleeve (3) comprises a sliding pipe (31), the sliding pipe (31) is coaxially provided with a through hole (32), the sliding pipe (31) is annularly provided with air bags (33) arranged along the length direction of the sliding pipe (31), the two ends of each air bag (33) extend with a hose (34), and the hose (34) is connected with a hose (31) in a bending mode.
The marine integrated survey vessel (2) extends to form a towing cable, and the towing cable is connected with the gun array equipment (1).
2. Marine seismic survey apparatus as claimed in claim 1, wherein the conversion head (11) is connected to an explosion chamber of an air gun.
3. The marine seismic exploration equipment of claim 1, wherein the gun array equipment (1) further comprises a first frame body (12), the air gun is fixed in the first frame body (12), an adjusting component (13) is arranged in the first frame body (12), the adjusting component (13) is also arranged on the top side of the first frame body (12), a towing component (4) is arranged on the side of the first frame body (12), and a protection component (6) is arranged at the bottom of the first frame body (12).
4. A marine seismic exploration equipment according to claim 3, wherein the towing assembly (4) comprises a first plate body (41), a connecting rod (42) is arranged on one side of the first plate body (41), the connecting rod (42) is hinged with the first frame body (12), at least two first connecting rods (43) are arranged on the other side of the first plate body (41), a hinged frame (44) is connected to the other end of the first connecting rods (43), a connecting column (45) is arranged on one side, far away from the first plate body (41), of the hinged frame (44), and a connecting hole (46) is formed in the side of the connecting column (45);
one side of the first plate body (41) connected with the first connecting rod (43) is provided with a connecting rope body (47).
5. The marine seismic exploration equipment of claim 4, wherein the first connecting rod (43) is provided with a telescopic body (5), the telescopic body (5) comprises telescopic cover bodies (51) which are oppositely arranged, a first spring (53) is arranged between the telescopic cover bodies (51), and a first hole body (52) is arranged on the telescopic cover bodies (51).
6. The marine seismic exploration equipment of claim 4, wherein a coiling disc body (48) is arranged between the first connecting rods (43), the coiling disc body (48) is a ring pipe (481) with a notch, and the connecting rope body (47) penetrates through the ring pipe (481).
7. Marine seismic survey apparatus as claimed in claim 4, wherein the tow assembly (4) is provided with swing blades (49) symmetrically on both sides, the swing blades (49) being in rotational connection with the first link (43).
8. Marine seismic survey system for a marine survey vessel, characterized in that a marine survey vessel (2) is employed, the marine survey vessel (2) being provided with marine survey marine seismic survey equipment as defined in any one of claims 1-7, the marine survey vessel (2) being further provided with data acquisition and reception equipment, data processing equipment and communication equipment.
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| CN202311631858.3A CN117310819B (en) | 2023-12-01 | 2023-12-01 | Marine ocean bottom seismic exploration equipment and system for ocean comprehensive survey |
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| CN202311631858.3A CN117310819B (en) | 2023-12-01 | 2023-12-01 | Marine ocean bottom seismic exploration equipment and system for ocean comprehensive survey |
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