Submarine geophysical data detection device capable of stably sinking and placing

Abstract

The invention relates to a seabed geophysical data detection device capable of stably sinking and placing, and belongs to the technical field of geophysical detection.The seabed geophysical data detection device comprises a shell, a plurality of signal windows are fixedly connected to the shell, a base is arranged at the lower end of the shell, connecting pieces are arranged on the shell and the base, and stabilizing anchors are arranged on the connecting pieces; a detector located on the inner side of the shell is fixedly installed on the upper surface of the base. A sampling piece is arranged on the base and comprises a movable plate. According to the seabed geophysical data detection device capable of being stably sunk and placed, a spring telescopic rod located on the outer side of the base can be matched with a stabilizing anchor to stabilize the stability of the whole device when the device sinks to the seabed, and a started first electric push rod pushes a movable plate to move downwards; the movable plate can also drive and pull a spring telescopic rod to rotate on the base through a connecting block and a movable rod to further extrude and abut against the seabed, so that the sampling barrel extending out of the mounting groove can be driven by a second electric push rod to stably sample.

Description

Technical Field

[0001] The invention relates to the technical field of geophysical detection, and in particular to a submerged and firmly placed seabed geophysical data detection device. Background Art

[0002] The ocean is a dynamic, continuous, and fuzzy-boundary space-time information carrier. With the continuous development of detection equipment and information technology, the means of acquiring ocean data are increasing, and they are generally acquired by collecting marine sediments. Marine sediments refer to the general term for seabed sediments formed by various marine sedimentation processes, which are materials deposited on the seabed with seawater as the medium. Sedimentation can generally be divided into three different processes: physical, chemical, and biological. Since these processes are often not carried out in isolation, sediments can be regarded as geological bodies produced by comprehensive actions.

[0003] At present, when collecting and testing data on seabed sediments, detectors are usually used to detect and analyze them;

[0004] For example, the invention patent with announcement number CN112881069A discloses a seabed geophysical data acquisition device, including a base, a traction rope, and an anchor. A cover is installed on the upper end of the base, the traction rope is fixedly connected to the upper end of the cover, a detector is installed in the cover, a mounting groove is opened at the bottom of the base, and a servo motor is installed at the inner top of the mounting groove. The invention knot stably connects the connecting rope and the anchor to prevent it from falling off, thereby ensuring the stability of the device, and can perform sampling work during the sediment detection process, thereby facilitating the subsequent accurate analysis of the sediment.

[0005] However, the acquisition device in the above application is only fixed by anchors during data detection and collection, which is easy to shake and has poor stability, affecting the normal progress of the sampling work. In addition, the device scrapes the material by rotating the scraping teeth during sampling, and the sediment is mixed with the seawater. Only a small part of the sediment falls into the sampling bucket, and the sampling sample is small, thereby affecting the sampling effect. Therefore, a submerged and stably placed seabed geophysical data detection device is proposed. Summary of the invention

[0006] In view of the shortcomings of the prior art, the present invention provides a sunken and stably placed seabed geophysical data detection device, which has the advantages of improving the stability of detection sampling and solves the problem of unstable detection sampling.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a submerged and stably placed seabed geophysical data detection device, comprising a shell, a plurality of signal windows are fixedly connected to the shell, a base is provided at the lower end of the shell, a connecting piece is provided on the shell and the base, a stable anchor is provided on the connecting piece, and a detector located inside the shell is fixedly installed on the upper surface of the base;

[0008] The base is provided with a sampling member, and the sampling member includes a movable plate, a mounting groove is opened at the lower end of the base, the movable plate is slidably connected to the inner side of the mounting groove, a group of first electric push rods are hinged on the inner side of the mounting groove, and the output end of the first electric push rod is hinged to the movable plate, the lower surface of the movable plate is fixedly connected with a connecting plate, the lower surface of the connecting plate is hinged with a group of sampling tubes, a second electric push rod is fixedly installed on the upper surface of the movable plate, and the output end of the second electric push rod is fixedly connected with a driving block, the lower surface of the driving block is fixedly connected with two connecting rods, and one end of the connecting rod passes through the movable plate, the lower end of the connecting rod is hinged to a hinged rod with one end hinged to the inner side of the sampling tube, the lower surface of the movable plate is hinged with a connecting block, and the end of the connecting block away from the movable plate is hinged to a movable rod with one end passing through the base, the outer side of the base is hinged with a spring telescopic rod, and the outer side of the spring telescopic rod is hinged with one end of the movable rod passing through the base, and the lower end of the spring telescopic rod is hinged with a supporting block;

[0009] The connecting member includes a connecting ring fixedly connected to the outer side of the lower end portion of the shell, a supporting ring fixedly connected to the outer side of the upper end portion of the base, the connecting ring and the supporting ring are provided with at least one mounting bolt, three groups of anchor chains for connecting and supporting a stable anchor are provided between the connecting ring and the supporting ring, and a limiting rod with one end penetrating the supporting ring is fixedly connected to the lower surface of the connecting ring.

[0010] Furthermore, a plurality of the signal windows are equidistantly distributed on the housing in a circular shape, and a traction rope is fixedly connected to the upper end of the housing.

[0011] Furthermore, the upper end of the mounting groove is cone-shaped, the lower end of the mounting groove is cylindrical, and the specification of the lower end of the mounting groove is compatible with the specification of the movable plate.

[0012] Furthermore, the base is provided with a through hole with one end connected to the installation groove and located outside the connecting block, the outer side of the movable plate is embedded with a first sealing ring with one end in contact with the installation groove, and the outer side of the connecting block is embedded with a second sealing ring with one end in contact with the through hole.

[0013] Furthermore, the number of the connecting blocks is three, and the three connecting blocks are distributed in a ring shape and at equal intervals on the movable plate. The upper surface of the movable plate is provided with an annular groove for mounting and fixing the second electric push rod.

[0014] Furthermore, the upper end of the sampling cylinder is semicircular, the lower end of the sampling cylinder is conical, the inner wall of the sampling cylinder is provided with a drainage hole, the movable plate and the connecting plate are both provided with circular holes for the connecting rod to slide, and a third sealing ring that contacts the circular hole is embedded on the outer side of the connecting rod.

[0015] Furthermore, the spring telescopic rod is composed of a sleeve rod, a support rod and a spring. The sleeve rod is hinged on the outside of the base, and the support rod is slidably connected to the inside of the sleeve rod, and one end located on the outside of the sleeve rod is hinged to the support block, and the spring is fixedly connected between the inside of the sleeve rod and the end of the support rod located on the inside of the sleeve rod.

[0016] Furthermore, the connecting ring and the supporting ring are both provided with mounting holes for the mounting bolts to pass through, and the supporting ring is provided with a limiting hole for the limiting rod to pass through.

[0017] .A submerged and stably placed seabed geophysical data detection device according to claim is characterized in that: each group of the anchor chains is composed of a number of circular rings, and the plurality of circular rings are sequentially connected end to end from bottom to top, and the stable anchor is fixedly connected to the bottom circular ring.

[0018] Furthermore, support grooves are provided on the lower surface of the connecting ring and the upper surface of the supporting ring, the specifications of the support grooves are adapted to the specifications of the circular ring, and the support grooves are located outside the limiting holes, and the number and orientation of the support grooves correspond to the number and orientation of the limiting holes.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0020] 1. The submerged and firmly placed seabed geophysical data detection device, the spring telescopic rod located on the outside of the base can cooperate with the stabilizing anchor to ensure the stability of the entire device when it sinks to the seabed, and when the started first electric push rod pushes the movable plate downward, the movable plate can also drive the spring telescopic rod to rotate on the base through the connecting block and the movable rod, further squeezing against the seabed, so that the sampling tube extending out of the installation groove can be driven by the second electric push rod to stably sample.

[0021] 2. The submerged and firmly placed seabed geophysical data detection device has a conical lower end portion of the sampling tube and a drainage hole on the side wall of the sampling tube. Therefore, when the second electric push rod drives the sampling tube to take samples through the connecting rod and the hinged rod, the sampling volume is larger, which provides more samples for later detection, thereby improving the sampling effect.

[0022] 3. The sunken and firmly placed seabed geophysical data detection device has an outer shell and a base that can be installed and fixed by means of mounting bolts on a connecting ring and a supporting ring, and an anchor chain that can be supported and limited by means of a limiting rod and a limiting hole to support a stable anchor on the connecting ring and the supporting ring. Therefore, when the connecting ring and the supporting ring are removed by means of the mounting bolts, it is convenient for operators to maintain the detector and the stable anchor, thereby improving the convenience of maintenance and overhaul. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0024] Figure 2 It is a bottom view of the overall structure of the present invention;

[0025] Figure 3 It is a side cross-sectional view of the base structure of the present invention;

[0026] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;

[0027] Figure 5 It is a side sectional view of the shell structure of the present invention.

[0028] In the figure: 1. shell; 2. signal window; 3. traction rope; 4. stable anchor; 5. connecting piece; 51. connecting ring; 52. mounting bolt; 53. supporting ring; 54. limiting rod; 55. anchor chain; 56. supporting groove; 57. limiting hole; 6. base; 7. sampling piece; 71. mounting groove; 72. first electric push rod; 73. connecting plate; 74. hinged rod; 75. sampling tube; 76. connecting block; 77. movable rod; 78. supporting block; 79. spring telescopic rod; 710. movable plate; 711. driving block; 712. second electric push rod; 713. connecting rod; 8. detector. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-2 Or 5, a submerged and firmly placed seabed geophysical data detection device in this embodiment comprises a housing 1, a plurality of signal windows 2 are fixedly connected to the housing 1, a base 6 is provided at the lower end of the housing 1, a connecting member 5 is provided on the housing 1 and the base 6, a stabilizing anchor 4 is provided on the connecting member 5, and a detector 8 located on the inner side of the housing 1 is fixedly installed on the upper surface of the base 6;

[0031] In this embodiment, a plurality of signal windows 2 are equidistantly distributed in a circular shape on the outer shell 1. The signal windows 2 located on the outer shell 1 can increase the signal strength of the detector 8 during detection. A traction rope 3 is fixedly connected to the upper end of the outer shell 1. The traction rope 3 located at the upper end of the outer shell 1 is used to sink and pull the entire device.

[0032] See also Figure 2-3In this embodiment, a sampling member 7 is provided on the base 6, and the sampling member 7 includes a movable plate 710. A mounting groove 71 is provided at the lower end of the base 6. The movable plate 710 is slidably connected to the inner side of the mounting groove 71. A group of first electric push rods 72 are hinged to the inner side of the mounting groove 71, and the output end of the first electric push rod 72 is hinged to the movable plate 710. A connecting plate 73 is fixedly connected to the lower surface of the movable plate 710. A group of sampling tubes 75 is hinged to the lower surface of the connecting plate 73. A second electric push rod 712 is fixedly installed on the upper surface of the movable plate 710. The output end of the second electric push rod 712 is fixedly connected to A driving block 711, the lower surface of the driving block 711 is fixedly connected with two connecting rods 713 at one end which penetrate the movable plate 710, the lower end of the connecting rod 713 is hinged to a hinged rod 74 whose end is hinged to the inner side of the sampling tube 75, the lower surface of the movable plate 710 is hinged with a connecting block 76, the end of the connecting block 76 away from the movable plate 710 is hinged to a movable rod 77 whose end penetrates the base 6, the outer side of the base 6 is hinged with a spring telescopic rod 79, and the outer side of the spring telescopic rod 79 is hinged to one end of the movable rod 77 which penetrates the base 6, and the lower end of the spring telescopic rod 79 is hinged to a support block 78.

[0033] In this embodiment, the spring telescopic rod 79 located on the outside of the base 6 can cooperate with the stable anchor 4 to ensure the stability of the entire device when it sinks to the seabed. When the first electric push rod 72 is started and pushes the movable plate 710 downward, the movable plate 710 can also drive the spring telescopic rod 79 to rotate on the base 6 through the connecting block 76 and the movable rod 77, further squeezing against the seabed, so that the sampling tube 75 extending out of the mounting groove 71 can be driven by the second electric push rod 712 to stably sample.

[0034] It should be noted that the upper end of the mounting groove 71 is conical to provide an installation space for the first electric push rod 72, and the lower end of the mounting groove 71 is cylindrical, and the specifications of the lower end of the mounting groove 71 are compatible with the specifications of the movable plate 710, so that the movable plate 310 can fit tightly with the mounting groove 71 when moving up and down along the vertical horizontal plane.

[0035] Among them, a through hole is formed on the base 6, one end of which is connected to the installation groove 71 and is located on the outside of the connecting block 76. A first sealing ring is embedded on the outside of the movable plate 710, one end of which is in contact with the installation groove 710, so as to improve the sealing performance of the movable plate 710 when moving in the installation groove 71. A second sealing ring is embedded on the outside of the connecting block 76, one end of which is in contact with the through hole, so as to improve the sealing performance of the connecting block 76 when moving in the through hole.

[0036] In addition, there are three connecting blocks 76, which are evenly distributed in a ring shape on the movable plate 710. The spring telescopic rods 79 connected by the three connecting blocks 76 form a triangular support shape, thereby improving the stability of the entire device after sinking to the seabed. The upper surface of the movable plate 710 is provided with an annular groove for installing and fixing the second electric push rod 712.

[0037] Secondly, the upper end of the sampling cylinder 75 is semicircular, the lower end of the sampling cylinder 75 is conical, the inner wall of the sampling cylinder 75 is provided with a drainage hole, the movable plate 710 and the connecting disk 73 are both provided with circular holes for the connecting rod 713 to slide, and a third sealing ring that contacts the circular hole is embedded on the outer side of the connecting rod 713, thereby increasing the sealing of the connecting rod 713 passing through the movable plate 710 and the connecting disk 73 during the movement.

[0038] Then, the spring telescopic rod 79 is composed of a sleeve rod, a support rod and a spring. The sleeve rod is hinged on the outer side of the base 6, and the support rod is slidably connected to the inner side of the sleeve rod, and one end located on the outer side of the sleeve rod is hinged to the support block 78, and the spring is fixedly connected between the inner side of the sleeve rod and the end of the support rod located on the inner side of the sleeve rod, so that when the spring telescopic rod 79 is pulled by the movable rod 77, it can telescope the extrusion spring, so that the reset spring pushes the support rod to slide toward the outer side of the sleeve rod, driving the support block 78 to closely contact the contact surface.

[0039] See also Figure 3-4 In this embodiment, the connecting member 5 includes a connecting ring 51 fixedly connected to the outer side of the lower end of the shell 1, and a supporting ring 53 is fixedly connected to the outer side of the upper end of the base 6. The connecting ring 51 and the supporting ring 53 are provided with at least one mounting bolt 52. Three groups of anchor chains 55 for connecting and supporting the stable anchor 4 are provided between the connecting ring 51 and the supporting ring 53. A limiting rod 54 with one end penetrating the supporting ring 53 is fixedly connected to the lower surface of the connecting ring 51.

[0040] In this embodiment, since the outer shell 1 and the base 6 can be installed and fixed by the mounting bolts 52 on the connecting ring 51 and the supporting ring 53, and the anchor chain 55 can be supported and limited by the limiting rod 54 and the limiting hole 57, the stable anchor 4 can be supported on the connecting ring 51 and the supporting ring 53. Therefore, when the connecting ring 51 and the supporting ring 53 are removed by the mounting bolts 52, it is convenient for the operator to maintain the detector 8 and the stable anchor 4, thereby improving the convenience of maintenance and inspection.

[0041] It should be noted that each group of anchor chains 55 is composed of a number of circular rings, and the circular rings are connected end to end from bottom to top, and the stable anchor 4 is fixedly connected to the bottom circular ring, and the stable anchor 4 is connected and supported by the anchor chain 55 composed of the circular rings.

[0042] Among them, both the connecting ring 51 and the supporting ring 53 are provided with mounting holes for the mounting bolts 52 to pass through, and the fitting connecting ring 51 and the supporting ring 53 are installed and fixed by the mounting bolts 52 passing through the mounting holes. The supporting ring 53 is provided with a limiting hole 57 for the limiting rod 54 to pass through.

[0043] In addition, support grooves 56 are provided on the lower surface of the connecting ring 51 and the upper surface of the supporting ring 53. The specifications of the support grooves 56 are compatible with the specifications of the circular ring, and the support grooves 56 are located on the outside of the limiting holes 57. The anchor chains 55 placed in the support grooves 56 are supported and limited by passing through the limiting holes 57 and the limiting rods 54 of the anchor chains 55. The number and orientation of the support grooves 56 correspond to the number and orientation of the limiting holes 57, so that the support grooves 56 and limiting holes 57 with corresponding orientations and numbers support the three groups of anchor chains 55.

[0044] The working principle of the above embodiment is:

[0045] Since there are three spring telescopic rods 79 and three groups of anchor chains 55, the spring telescopic rods 79 located outside the base 6 can cooperate with the stabilizing anchor 4 to provide triangular support and three-point anchoring for the entire device when it sinks to the seabed, thereby improving the support stability of the entire device after sinking. The detector 8 after sinking can detect and detect the seabed data;

[0046] When it is necessary to collect test samples, the first electric push rod 72 can be started to push the movable plate 710 downward along the vertical horizontal plane. When the movable plate 710 is pushed downward, it can also drive the spring telescopic rod 79 on the base 6 to rotate toward the side close to the base 6 through the connecting block 76 and the movable rod 77, so that the support block 78 on the spring telescopic rod 79 further presses against the seabed, so that the sampling tube 75 extending to the installation groove 71 can be driven by the second electric push rod 712 to stably sample;

[0047] Since the lower end of the sampling tube 75 is conical and a drainage hole is provided on the side wall of the sampling tube 75, when the second electric push rod 712 pulls the driving block 711 to move downward, the sampling tube 75 can be driven to rotate toward one side of the principle connecting rod 713 after moving downward through the connecting rod 713 and the hinged rod 74. When the sampling tube 75 continues to move downward, the driving block 711 is pushed up by the second electric push rod 712, and then the sampling tube 75 is driven to close through the connecting rod 713 and the hinged rod 74, the sampling can be completed, and the sampling amount is larger, so as to provide more samples for later detection, thereby improving the sampling effect;

[0048] Since the housing 1 and the base 6 can be installed and fixed by means of the mounting bolts 52 on the connecting ring 51 and the supporting ring 53, and the anchor chain 55 can be supported and limited by the limiting rod 54 and the limiting hole 57 to support the stabilizing anchor 4 on the connecting ring 51 and the supporting ring 53, when the connecting ring 51 and the supporting ring 53 are removed by means of the mounting bolts 52, it is convenient for the operator to maintain the detector 8 and the stabilizing anchor 4, thereby improving the convenience of maintenance and inspection.

[0049] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A submerged and firmly placed seabed geophysical data detection device, comprising a housing (1), characterized in that: A plurality of signal windows (2) are fixedly connected to the housing (1); a base (6) is provided at the lower end of the housing (1); a connecting piece (5) is provided on the housing (1) and the base (6); a stabilizing anchor (4) is provided on the connecting piece (5); and a detector (8) located inside the housing (1) is fixedly mounted on the upper surface of the base (6); The base (6) is provided with a sampling member (7), and the sampling member (7) includes a movable plate (710). A mounting groove (71) is provided at the lower end of the base (6). The movable plate (710) is slidably connected to the inner side of the mounting groove (71). A group of first electric push rods (72) are hinged to the inner side of the mounting groove (71), and the output end of the first electric push rod (72) is hinged to the movable plate (710). The lower surface of the movable plate (710) is fixedly connected to a connecting plate (73), and the lower surface of the connecting plate (73) is hinged to a group of sampling tubes (75). The upper surface of the movable plate (710) is fixedly installed with a second electric push rod (712), and the output end of the second electric push rod (712) is fixedly connected to a driving member (75). A movable block (711), the lower surface of the driving block (711) is fixedly connected with two connecting rods (713) at one end of which penetrates the movable plate (710), the lower end of the connecting rod (713) is hinged to a hinged rod (74) whose end is hinged to the inner side of the sampling tube (75), the lower surface of the movable plate (710) is hinged to a connecting block (76), the end of the connecting block (76) away from the movable plate (710) is hinged to a movable rod (77) at one end which penetrates the base (6), the outer side of the base (6) is hinged to a spring telescopic rod (79), and the outer side of the spring telescopic rod (79) is hinged to one end of the movable rod (77) penetrating the base (6), and the lower end of the spring telescopic rod (79) is hinged to a support block (78); The connecting member (5) comprises a connecting ring (51) fixedly connected to the outer side of the lower end of the housing (1); a supporting ring (53) is fixedly connected to the outer side of the upper end of the base (6); the connecting ring (51) and the supporting ring (53) are provided with at least one mounting bolt (52); three groups of anchor chains (55) are provided between the connecting ring (51) and the supporting ring (53) and are used to connect and support the anchor (4); and a limiting rod (54) having one end penetrating the supporting ring (53) is fixedly connected to the lower surface of the connecting ring (51).

2. The device for detecting seabed geophysical data according to claim 1, characterized in that: A plurality of the signal windows (2) are distributed in an annular shape at equal intervals on the outer shell (1), and a traction rope (3) is fixedly connected to the upper end of the outer shell (1).

3. The device for detecting seabed geophysical data according to claim 1, characterized in that: The upper end of the mounting groove (71) is in a cone shape, the lower end of the mounting groove (71) is in a cylindrical shape, and the specifications of the lower end of the mounting groove (71) are compatible with the specifications of the movable plate (710).

4. The device for detecting seabed geophysical data according to claim 1, characterized in that: The base (6) is provided with a through hole having one end connected to the mounting groove (71) and located outside the connection block (76); a first sealing ring having one end in contact with the mounting groove (710) is embedded on the outside of the movable plate (710); and a second sealing ring having one end in contact with the through hole is embedded on the outside of the connection block (76).

5. The device for detecting seabed geophysical data according to claim 1, characterized in that: The number of the connecting blocks (76) is three, and the three connecting blocks (76) are distributed in an annular shape and at equal intervals on the movable plate (710). The upper surface of the movable plate (710) is provided with an annular groove for mounting and fixing the second electric push rod (712).

6. The device for detecting seabed geophysical data according to claim 1, characterized in that: The upper end of the sampling tube (75) is semicircular, the lower end of the sampling tube (75) is conical, the inner wall of the sampling tube (75) is provided with a drainage hole, the movable plate (710) and the connecting plate (73) are both provided with a circular hole for the connecting rod (713) to slide, and a third sealing ring is embedded on the outer side of the connecting rod (713) to contact the circular hole.

7. The device for detecting seabed geophysical data according to claim 1, characterized in that: The spring telescopic rod (79) is composed of a sleeve rod, a support rod and a spring. The sleeve rod is hinged on the outside of the base (6), and the support rod is slidably connected to the inside of the sleeve rod. One end located on the outside of the sleeve rod is hinged to the support block (78), and the spring is fixedly connected between the inside of the sleeve rod and one end of the support rod located on the inside of the sleeve rod.

8. The device for detecting seabed geophysical data according to claim 1, characterized in that: The connecting ring (51) and the supporting ring (53) are both provided with mounting holes for the mounting bolts (52) to pass through, and the supporting ring (53) is provided with a limiting hole (57) for the limiting rod (54) to pass through.

9. The device for detecting seabed geophysical data according to claim 8, characterized in that: Each group of anchor chains (55) is composed of a number of circular rings, and the circular rings are connected end to end in sequence from bottom to top, and the stable anchor (4) is fixedly connected to the bottom circular ring.

10. The device for detecting seabed geophysical data according to claim 9, characterized in that: The lower surface of the connecting ring (51) and the upper surface of the supporting ring (53) are both provided with supporting grooves (56), the specifications of the supporting grooves (56) are adapted to the specifications of the circular ring, and the supporting grooves (56) are located outside the limiting holes (57), and the number and orientation of the supporting grooves (56) correspond to the number and orientation of the limiting holes (57).

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