Deep sea netting forced oscillation experiment device

Abstract

The utility model provides a deep sea netting forced oscillation experiment device, which belongs to the technical field of ocean engineering, and comprises two pairs of support rods I which are distributed up and down, two reinforcing ribs I are arranged between each pair of support rods I which are distributed up and down, and two reinforcing ribs II are arranged between each pair of support rods I which are distributed up and down. A square frame is installed in the first supporting rods, first three-component force instruments are installed at the corners of the square frame, and second three-component force instruments are installed on the two first supporting rods which are located at the rear end and transversely distributed respectively. The device solves the problems that high-amplitude oscillation and high-speed water flow are involved in the experiment period, so that the fishing net is damaged, and replacement and installation of the fishing net are troublesome.

Description

Technical Field

[0001] The utility model belongs to the technical field of marine engineering, and in particular relates to a deep-sea net forced oscillation experimental device. Background Art

[0002] In fluid mechanics, the Keulegan-Carpenter number (KC number) is a dimensionless number used to describe the relationship between the resistance and inertial force of an object in an oscillating flow field. It can also be used when an object oscillates in a stationary fluid. A small KC number means that the influence of inertial force is greater than the resistance, and a large KC number means that the influence of (turbulent) resistance is greater.

[0003] The authorized application number is: CN201610778331.7. The fishing net forced oscillation test device includes a fishing net frame module and a forced oscillation module. The fishing net frame module is slidably connected to the first vertical sliding module and the second vertical sliding module through the first connecting module and the second connecting module. The fishing net frame module is perpendicular to the first vertical sliding module and the second vertical sliding module. The present invention simulates the movement of water particles under regular wave and irregular wave conditions by forcing the fishing net model to perform sinusoidal oscillation or random oscillation. Using the forced oscillation test device of the fishing ground fishing net model under uniform flow, forcing the front and rear fishing nets to oscillate simultaneously can simulate the flow velocity attenuation under large KC number wave conditions.

[0004] However, there are still some problems. During the experiment, high-amplitude oscillations and high-speed water flow will be involved, which will cause damage to the fishing nets. The damaged fishing nets need to be replaced in time. In the above patents, the replacement and installation of the fishing nets are relatively troublesome. Therefore, a deep-sea net forced oscillation experimental device is proposed. Summary of the invention

[0005] The utility model provides a deep-sea net forced oscillation experimental device, which aims to solve the problem that high-amplitude oscillation and high-speed water flow may be involved during the experiment, which may cause damage to the fishing net and make replacement and installation of the fishing net more troublesome.

[0006] An embodiment of the utility model provides a deep-sea net forced oscillation experimental device, comprising two pairs of support rods one distributed up and down, two reinforcing ribs one are installed between each pair of the support rods one distributed up and down, two reinforcing ribs two are installed between each pair of the support rods one distributed up and down, a square frame is installed in the support rod one, a three-dimensional force meter one is installed at the corner of the square frame, two support rods one located at the rear end and distributed laterally are respectively installed with a three-dimensional force meter two, a three-dimensional force meter two is installed between the two three-dimensional force meters two in the horizontal direction and between the front ends of the two support rods one in the horizontal direction, vertical installation components are respectively installed between the two ends of the two horizontal installation components distributed up and down, and a fishing net is installed between the horizontal installation component and the vertical installation component.

[0007] Furthermore, the reinforcing rib 1 and the corresponding reinforcing rib 2 are cross-arranged, and the end of the three-point force gauge 1 away from the square frame is connected to the corresponding support rod 1.

[0008] By adopting the above technical solution, the support rod 1 is supported by the reinforcing rib 1 and the reinforcing rib 2 to ensure stability.

[0009] Furthermore, the horizontal mounting assembly includes a mounting rod 1, a receiving groove is provided on the mounting rod 1, a shell cover is pinned to the outer area of ​​the mounting rod 1, a protruding block 1 is evenly distributed in the receiving groove, a groove 1 is provided on the shell cover, a plurality of semicircular holes 1 are evenly provided on the edge of the groove 1 close to the outer side, and a plurality of semicircular holes 2 are provided on the edge of the receiving groove.

[0010] By adopting the above technical solution, the upper and lower sides can be limited by using the horizontal installation component, and the mesh holes at the edge of the fishing net can be placed in the corresponding protruding block. At this time, the shell cover can be closed to prevent the fishing net from escaping from the receiving groove. This can ensure the stability of the connection of the fishing net, and at the same time, there will be more contact with the edge of the fishing net, better support, and it can also make it easy to disassemble the fishing net.

[0011] Furthermore, the semicircular hole one and the corresponding semicircular hole two form a circular hole, the shell cover matches the receiving groove, and one end of the shell cover pinned is located in the receiving groove.

[0012] By adopting the above technical solution, the circular holes can be used to allow the vertical wires of the fishing net to pass through, and the accommodating grooves can be used to accommodate the shell cover to ensure integrity.

[0013] Furthermore, a pair of clamping blocks 1 are installed on the wall surface of the shell cover, and a pair of buckles 1 are pinned on the outer wall of the mounting rod 1, and the buckles 1 match the corresponding clamping blocks 1.

[0014] By adopting the above technical solution and utilizing the cooperation between the clamping block 1 and the buckle 1, the shell cover can be opened and closed conveniently, thereby facilitating the handling of the fishing net.

[0015] Furthermore, the vertical mounting assembly includes a mounting rod 2, a bottom plate is mounted on the inner side of the mounting rod 2, two evenly distributed protruding blocks are mounted on the bottom plate, a cover plate is pinned on the side of the bottom plate close to the mounting rod 2, a plurality of semicircular holes 3 are formed on the cover plate, and a plurality of semicircular holes 4 are formed on the inner side of the bottom plate.

[0016] By adopting the above technical solution, the left and right sides of the fishing net can be restricted by using the vertical installation component, and the four sides of the fishing net can be fully restricted by cooperating with the horizontal installation component. The meshes on the left and right edges of the fishing net are placed into the corresponding protruding blocks 2, and then the cover plate is covered to restrict the left and right sides of the fishing net, forming a pulling force and preventing it from detaching.

[0017] Furthermore, the semicircular hole four and the corresponding semicircular hole three constitute a circular hole, a groove two is provided on the cover plate, and the groove two is connected to the circular hole, and a clamping block two and a buckle two are respectively installed on the cover plate and the bottom plate, and the clamping block two matches the buckle two.

[0018] By adopting the above technical solution, the circular hole can be used to allow the horizontal wire of the fishing net to pass through, which will not cause squeezing of the fishing net and affect the strength. The second clamping block and the second buckle can facilitate the opening and locking of the cover plate and the bottom plate, and the second groove can accommodate the second protruding block.

[0019] The beneficial effects of the utility model are:

[0020] 1. The utility model can limit the upper and lower sides of the fishing net by utilizing the horizontal installation assembly, and put the mesh of the edge fishing net into the corresponding protruding block 1. At this time, the shell cover is closed to prevent the fishing net from escaping from the receiving groove, which can ensure the stability of the connection, and at the same time, there will be more contact with the edge of the fishing net, better support, and it is also convenient to disassemble the fishing net.

[0021] 2. The utility model can restrict the left and right sides by using the vertical installation components, and can fully restrict the four sides of the fishing net by cooperating with the horizontal installation components. The meshes on the left and right edges of the fishing net are placed into the corresponding protruding blocks 2, and then the cover plate is covered to restrict the left and right sides of the fishing net, forming a pulling and preventing it from detaching.

[0022] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the shell cover and cover plate opening structure of the embodiment of the utility model;

[0026] Figure 3 This is a schematic diagram of a connection structure of a fishing net and a protruding block according to an embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the cross-sectional structure of a transverse installation assembly according to an embodiment of the utility model;

[0028] Figure 5 This is a schematic diagram of the cover plate and bottom plate structure of an embodiment of the utility model;

[0029] Figure numerals: 1. Support rod one; 2. Reinforcing rib one; 3. Reinforcing rib two; 4. Square frame; 5. Three-point force gauge one; 6. Three-point force gauge two; 7. Horizontal mounting assembly; 71. Mounting rod one; 72. Shell cover; 73. Receiving groove; 74. Protruding block one; 75. Groove one; 76. Semicircular hole one; 77. Semicircular hole two; 8. Vertical mounting assembly; 81. Mounting rod two; 82. Cover plate; 83. Bottom plate; 84. Protruding block two; 85. Semicircular hole three; 86. Semicircular hole four; 9. Fishing net. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the technical solution of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described in conjunction with the drawings of the specific embodiments of the utility model. The same figure marks in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the described embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1-5The embodiment of the utility model proposes a deep-sea net forced oscillation experimental device, including two pairs of support rods 1 distributed up and down, two reinforcing ribs 2 are installed between each pair of support rods 1 distributed up and down, two reinforcing ribs 3 are installed between each pair of support rods 1 distributed up and down, a square frame 4 is installed in a plurality of support rods 1, a three-dimension force instrument 5 is installed at the corner of the square frame 4, three-dimension force instruments 6 are respectively installed on the two support rods 1 located at the rear end and distributed laterally, three-dimension force instruments 6 are installed between the two three-dimension force instruments 6 in the horizontal direction and between the front ends of the two support rods 1 in the horizontal direction, vertical installation components 8 are respectively installed between the two ends of the two horizontal installation components 7 distributed up and down, and a fishing net 9 is installed between the horizontal installation component 7 and the vertical installation component 8.

[0032] The reinforcing rib 2 and the corresponding reinforcing rib 2 3 are cross-arranged, and the end of the three-way force gauge 5 away from the square frame 4 is connected to the corresponding support rod 1. The reinforcing rib 2 and the reinforcing rib 2 3 are used to support the support rod 1 to ensure stability, and the support bars are used to ensure the installation stability between the square frames 4.

[0033] The horizontal mounting assembly 7 includes a mounting rod 71, on which a receiving groove 73 is provided. The receiving groove 73 and the outer area of ​​the mounting rod 71 are pinned with a shell cover 72, and protruding blocks 74 are evenly distributed in the receiving groove 73. A groove 75 is provided on the shell cover 72, and a plurality of semicircular holes 76 are evenly provided at the edge of the groove 75 near the outer side, and a plurality of semicircular holes 77 are provided at the edge of the receiving groove 73. The horizontal mounting assembly 7 can be used to limit the upper and lower sides of the fishing net 9, and the mesh holes at the edge of the fishing net 9 are placed in the corresponding protruding blocks 74. At this time, the shell cover 72 is covered to prevent 9 from detaching from the receiving groove 73, thereby ensuring the stability of the connection. At the same time, there will be more contact with the edge of 9, better support the fishing net 9, and it is also convenient to disassemble the fishing net.

[0034] Semicircular hole 1 76 and corresponding semicircular hole 2 77 form a circular hole, the shell cover 72 matches the receiving groove 73, and one end of the shell cover 72 pinned is located in the receiving groove 73. The circular hole can be used to allow the vertical network cable 9 to pass through, and the shell cover 72 is used to accommodate the receiving groove 73 to ensure integrity.

[0035] A pair of clamping blocks 1 are installed on the wall surface of the shell cover 72, and a pair of buckles 1 are pinned on the outer wall of the mounting rod 1 71. The buckle 1 matches the corresponding clamping block 1. The cooperation of the clamping block 1 and the buckle 1 can facilitate the opening and closing of the shell cover 72 and thus facilitate the handling of the fishing net.

[0036] The vertical installation component 8 includes a second installation rod 81, and a bottom plate 83 is installed on the inner side of the second installation rod 81. The bottom plate 83 is installed with evenly distributed protruding blocks 84. A cover plate 82 is pinned on the side of the bottom plate 83 close to the second installation rod 81. A plurality of semicircular holes 85 are opened on the cover plate 82, and a plurality of semicircular holes 86 are opened on the inner side of the bottom plate 83. The vertical installation component 8 can be used to limit the left and right sides of the fishing net 9, and the horizontal installation component 7 can be used to fully limit the four sides of the fishing net 9. The meshes on the left and right edges of the fishing net 9 are placed into the corresponding protruding blocks 84, and then the cover plate 82 is covered to limit the left and right sides of the fishing net 9, forming a pulling and preventing it from detaching.

[0037] The semicircular hole four 86 and the corresponding semicircular hole three 85 form a circular hole, a groove two is provided on the cover plate 82, and the groove two is connected to the circular hole, a clamping block two and a buckle two are respectively installed on the cover plate 82 and the bottom plate 83, the clamping block two matches the buckle two, and the circular hole can be used to allow the horizontal wire of the fishing net 9 to pass through without squeezing the fishing net 9 and affecting its strength. The clamping block two and the buckle two can facilitate the opening and locking of the cover plate 82 and the bottom plate 83, and the groove two can accommodate the protruding block two 84.

[0038] The three-point force instrument 2 6 and the three-point force instrument 1 5 are both connected to the data acquisition processor

[0039] The specific implementation method is as follows: during the experiment, the force of the fishing net 9 located at the rear side is measured by the three-division force meter 2 6, and the force of the square frame 4 is measured by the three-division force meter 1 5, and the values ​​are transmitted to the data acquisition processor in the measurement and analysis module, and the data acquisition processor further transmits the data to the display to display it as visual data;

[0040] When installing and replacing the fishing net 9, put the mesh holes at the edge of the fishing net 9 into the corresponding protruding block 1 74, then cover the shell cover 72, and connect the shell cover 72 with the installation rod 1 71 with the clamping block 1 and the buckle 1, which can prevent the fishing net 9 from escaping from the accommodating groove 73, and put the mesh holes at the left and right edges of the fishing net 9 into the corresponding protruding block 2 84, and then cover the cover plate 82 to limit the left and right sides of the fishing net 9, forming a pull and preventing it from escaping, and then connect the cover plate 82 and the bottom plate 83 through the clamping block 2 and the buckle 2, which can ensure the stability of the connection, and at the same time, there will be more contact with the edge of the fishing net 9, better support the fishing net 9, and also make it convenient to disassemble the fishing net, which is convenient for operation and saves time and effort.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A deep-sea net forced oscillation experimental device, comprising two pairs of support rods (1) distributed vertically, characterized in that: Two reinforcing ribs (2) are installed between each pair of the support rods (1) distributed up and down, and two reinforcing ribs (3) are installed between each pair of the support rods (1) distributed up and down. A square frame (4) is installed in the support rod (1), and a three-force meter (5) is installed at the corner of each of the square frames (4). Three-force meters (6) are installed on the two support rods (1) located at the rear end and distributed laterally, and three-force meters (6) are installed between the two three-force meters (6) in the transverse direction and between the front ends of the two support rods (1) in the transverse direction. A vertical installation component (8) is installed between the two ends of the two transverse installation components (7) distributed up and down, and a fishing net (9) is installed between the transverse installation component (7) and the vertical installation component (8).

2. A deep-sea net forced oscillation experimental device according to claim 1, characterized in that: The reinforcing rib one (2) and the corresponding reinforcing rib two (3) are arranged crosswise, and the end of the three-point force instrument one (5) away from the square frame (4) is connected to the corresponding support rod one (1).

3. A deep-sea net forced oscillation experimental device according to claim 2, characterized in that: The transverse mounting assembly (7) comprises a mounting rod (71), a receiving groove (73) is provided on the mounting rod (71), a shell cover (72) is pinned to the outer area of ​​the receiving groove (73) and the mounting rod (71), protruding blocks (74) are evenly distributed in the receiving groove (73), a groove (75) is provided on the shell cover (72), a plurality of semicircular holes (76) are evenly provided on the edge of the groove (75) close to the outer side, and a plurality of semicircular holes (77) are provided on the edge of the receiving groove (73).

4. A deep-sea net forced oscillation experimental device according to claim 3, characterized in that: The semicircular hole one (76) and the corresponding semicircular hole two (77) form a circular hole, the shell cover (72) matches the receiving groove (73), and one end of the shell cover (72) pinned is located in the receiving groove (73).

5. A deep-sea net forced oscillation experimental device according to claim 4, characterized in that: A pair of clamping blocks 2 are installed on the wall surface of the shell cover (72), and a pair of buckles 1 are pin-connected on the outer wall of the mounting rod 1 (71), and the buckles 1 match the corresponding clamping blocks 2.

6. A deep-sea net forced oscillation experimental device according to claim 4, characterized in that: The vertical mounting assembly (8) comprises a second mounting rod (81), a bottom plate (83) is mounted on one side of the second mounting rod (81) close to the inner side, and two evenly distributed protruding blocks (84) are mounted on the bottom plate (83), a cover plate (82) is pinned on one side of the bottom plate (83) close to the second mounting rod (81), and a plurality of third semicircular holes (85) are formed on the cover plate (82), and a plurality of fourth semicircular holes (86) are formed on one side of the bottom plate (83) close to the inner side.

7. A deep-sea net forced oscillation experimental device according to claim 6, characterized in that: The semicircular hole four (86) and the corresponding semicircular hole three (85) form a circular hole, the cover plate (82) is provided with a groove two, and the groove two is connected to the circular hole, and the cover plate (82) and the bottom plate (83) are respectively installed with a clamping block two and a buckle two, and the clamping block two matches the buckle two.

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