Flexible ball-line array device for slowing down sloshing of liquid tank and installation method of flexible ball-line array device

Abstract

The invention discloses a flexible ball-line array device for slowing down sloshing of a liquid tank and an installation method of the flexible ball-line array device, and belongs to the technical field of ship devices. A flexible ball-line array device for slowing down sloshing of a liquid tank comprises a plurality of slowing-down units, the slowing-down units are of flexible ball-line array structures and are arranged on a bottom plate, and the bottom plate is fixed to the inner wall of the bottom of a tank body; each retarding unit comprises a plurality of floating bodies distributed in a linear array mode, the floating bodies are connected through first flexible elements, and the floating bodies are fixed to the bottom plate through second flexible elements. By adopting the flexible ball-line array device for slowing down the sloshing of the liquid tank and the mounting method of the flexible ball-line array device, the problems that an existing liquid tank swash device is poor in three-dimensional characteristic, poor in sloshing suppression effect and not easy to adjust can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of ship devices, and in particular to a flexible ball-wire array device for slowing down tank sloshing and an installation method thereof. Background Art

[0002] The problem of tank sloshing occupies an important position in the field of shipbuilding and marine engineering. Almost all liquid storage devices with liquid free surfaces are inevitably faced with tank sloshing. This phenomenon will not only weaken the overall stability of marine structures such as ships, causing serious problems such as capsizing and metacentric imbalance, but may also produce fierce impact loads, causing deformation or damage to the bulkhead structure. Therefore, in-depth research on the phenomenon of tank sloshing and exploring effective and reasonable ways to suppress tank sloshing are of great significance to the development of the field of shipbuilding and marine engineering.

[0003] At present, the liquid tank sloshing control device mainly achieves sloshing suppression by adding baffles or sloshing control plates. The vertical rigid baffles, horizontal rigid baffles or a combination of the two are set in the liquid tank, which are more common sloshing control devices. However, these devices usually only consider the sloshing control effect in a single direction (lateral or longitudinal) and lack three-dimensional characteristics. Since the actual liquid tank sloshing phenomenon is multi-dimensional, these devices are difficult to achieve sufficient sloshing suppression effect. In addition, once most devices are installed and fixed, the position of the baffle cannot be adjusted according to the liquid depth, which limits the sloshing control efficiency of the device. Therefore, it is of great significance to design a device with a simple structure, three-dimensional characteristics, easy adjustment and significantly improved sloshing control effect to effectively suppress liquid tank sloshing. Summary of the invention

[0004] The object of the present invention is to provide a flexible ball-line array device for slowing down the sloshing of a liquid tank and an installation method thereof, so as to solve the problems that the existing liquid tank sloshing control device has poor three-dimensional characteristics, poor sloshing suppression effect and is difficult to adjust.

[0005] To achieve the above-mentioned purpose, the present invention provides a flexible ball-line array device for reducing the sloshing of a liquid tank, comprising a plurality of mitigation units, the mitigation units being flexible ball-line array structures, the mitigation units being arranged on a bottom plate, and the bottom plate being fixed to the bottom inner wall of the tank body; the mitigation unit comprises a plurality of floats distributed in a linear array, the floats being connected by a first flexible element, and the floats being fixed to the bottom plate by a second flexible element.

[0006] Preferably, the float includes a first float and a second float, the first float and the second float are connected by a first flexible element, the second float is fixed to the base plate by the second flexible element, and the first float and the second float are both made of 3D printed resin materials; the first flexible element and the second flexible element are both flexible ropes made of nylon, and the top and bottom ends of the first flexible element are respectively provided with rope locks that connect the first flexible element to the first float and the second float, the top end of the second flexible element is connected to the second float through the rope lock, and the bottom end of the second flexible element is connected to the base plate through a positioning block.

[0007] Preferably, a first cavity is provided inside the first float, a first filling hole for injecting filler into the first cavity is provided on the side wall of the first float, and a first sealing plug for sealing the first filling hole is provided on the first filling hole.

[0008] Preferably, a first connecting groove is provided on the side wall of the first float, and a first fixing rod connected to the top of the first flexible element is provided inside the first connecting groove; the first filling hole is located 45 degrees obliquely above the first connecting groove.

[0009] Preferably, a second cavity is provided inside the second float, a second filling hole for injecting filler into the second cavity is provided on the side wall of the second float, and a second sealing plug for sealing the second filling hole is provided on the second filling hole.

[0010] Preferably, a second connecting groove and a third connecting groove are provided on the side wall of the second float, a second fixing rod connected to the bottom end of the first flexible element is provided inside the second connecting groove, and a third fixing rod connected to the top end of the second flexible element is provided inside the third connecting groove; the included angle between the second connecting groove and the third connecting groove is 180°, and the second filling hole is located 45° obliquely above the third connecting groove.

[0011] Preferably, the rope lock is provided with two connecting holes that penetrate the rope lock, and one end of the first flexible element or the second flexible element passes through the two connecting holes respectively. Locking blocks are provided at both ends of the rope lock, and the first flexible element and the second flexible element in the connecting holes are locked by the locking blocks; the rope lock is made of polypropylene.

[0012] Preferably, the positioning block is provided with a positioning hole penetrating through the positioning block and allowing the second flexible element to pass through, and the positioning block is provided with a locking wire for locking the positioning hole; the positioning block is a metal block.

[0013] Preferably, the bottom plate is provided with a jack for the second flexible element to pass through and corresponding one-to-one with the second flexible element, a mounting groove is provided on the lower surface of the bottom plate, the positioning block is located in the mounting groove and clamped between the bottom plate and the cabin; the bottom plate is a glass plate.

[0014] The installation method of the above-mentioned flexible ball-line array device for reducing tank sloshing comprises the following steps: S1. Pass one end of the first flexible element through a connection hole of the rope locker, then through the first connection groove and around the two sides of the first fixing rod, and then through another connection hole of the rope locker, adjust the length of the first flexible element, and lock and fix the first flexible element and the rope locker with the locking block; S2, pass the other end of the first flexible element through a connecting hole of another rope locker, then pass through the second connecting groove and go around the two sides of the second fixing rod, and then pass through another connecting hole of another rope locker, adjust the length of the first flexible element, and lock and fix the first flexible element and the other rope locker by the locking block; S3, passing one end of the second flexible element through a connection hole of the third rope locker, then through the third connection groove and around the two sides of the third fixing rod, and then through another connection hole of the third rope locker, adjusting the length of the second flexible element, and locking and fixing the second flexible element and the third rope locker by the locking block; S4, passing the other end of the second flexible element through the bottom plate through the insertion hole and through the positioning hole, and locking and fixing the second flexible element to the positioning block through the locking wire; S5. Fix the bottom plate to the bottom inner wall of the cabin to complete the installation.

[0015] The advantages and positive effects of the flexible ball-line array device for mitigating tank sloshing and the installation method thereof of the present invention are: 1. The mitigation unit of the present invention is a flexible ball-line array structure, including a first float, a second float, a first flexible element, and a second flexible element, which can not only constrain the free surface movement of the liquid, but also effectively absorb the kinetic energy of the moving fluid through the swinging movement of the float, thereby achieving a better anti-sway effect. The mitigation unit of the flexible ball-line array has a three-dimensional characteristic, and the float can swing freely in multiple directions to achieve three-dimensional anti-sway and significantly reduce the impact of the three-dimensional effect.

[0016] 2. Filler is injected into the first float through the first filling hole. By injecting different fillers, the density of the first float can be adjusted, thereby changing the buoyancy of the first float to be suitable for sloshing suppression of different types of liquids.

[0017] 3. The first float is locked and connected to the first flexible element through the first fixed rod and the rope lock, the second float is locked and connected to the first flexible element through the second fixed rod and the rope lock, the second float is locked and connected to the second flexible element through the third fixed rod and the rope lock, and the second flexible element is connected to the bottom plate through the positioning block. The heights of the first float and the second float can be adjusted as needed through the first flexible element, the second flexible element and the rope lock to meet the sloshing suppression of liquid levels at different heights.

[0018] 4. The device described in the present invention has a simple structure and is easy to install and use.

[0019] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the installation structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the base plate and the mitigation unit according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of a mitigation unit according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the first floating ball structure of an embodiment of the present invention; Figure 5 A schematic diagram of a cross-sectional structure of a first float according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the second float structure of an embodiment of the present invention; Figure 7 This is a schematic diagram of the cross-sectional structure of a second float according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the structure of a rope lock according to an embodiment of the present invention; Fig. 9 This is a schematic diagram of the positioning block structure of an embodiment of the present invention; Fig.10 A schematic diagram of the bottom plate structure of an embodiment of the present invention; Fig.11 A schematic diagram of a cross-sectional structure of a bottom plate according to an embodiment of the present invention; Fig.12 It is a schematic diagram of the partial structure of the bottom plate cross section according to an embodiment of the present invention.

[0021] Reference numerals 1. Cabin; 2. First float; 21. First filling hole; 22. First sealing plug; 23. First connecting groove; 24. First fixing rod; 25. First cavity; 3. Second float; 31. Second filling hole; 32. Second sealing plug; 33. Second connecting groove; 34. Second fixing rod; 35. Third connecting groove; 36. Third fixing rod; 37. Second cavity; 4. First flexible element; 5. Second flexible element; 6. Rope lock; 61. Connecting hole; 62. Locking block; 7. Positioning block; 71. Positioning hole; 72. Locking wire; 8. Bottom plate; 81. Mounting groove; 82. Socket. DETAILED DESCRIPTION

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1 , Figure 2 A flexible ball-line array device for slowing down the sloshing of a liquid tank includes a plurality of slowing down units, and the slowing down units are flexible ball-line array structures. The slowing down units are evenly arranged on a bottom plate 8, and the bottom plate 8 is fixed on the bottom inner wall of the tank body 1.

[0025] like Figure 3 The mitigation unit includes a plurality of floating bodies distributed in a linear array, the floating bodies are connected by first flexible elements 4 , and the floating bodies are fixed on the bottom plate 8 by second flexible elements 5 .

[0026] The float includes a first float 2 and a second float 3, and the first float 2 and the second float 3 are fixedly connected by a first flexible element 4. The second float 3 is fixed to the bottom plate 8 by a second flexible element 5. The first float 2 and the second float 3 are both made of 3D printed resin materials. The first flexible element 4 and the second flexible element 5 are both flexible ropes made of nylon. The top and bottom ends of the first flexible element 4 are respectively provided with rope lockers 6 that connect the first flexible element 4 to the first float 2 and the second float 3. The top end of the second flexible element 5 is connected to the second float 3 through the rope locker 6, and the bottom end of the second flexible element 5 is connected to the bottom plate 8 through a positioning block 7.

[0027] like Figure 4 , Figure 5As shown. A first cavity 25 is provided inside the first float 2, and a first filling hole 21 for injecting filler into the first cavity 25 is provided on the side wall of the first float 2. A first sealing plug 22 for sealing the first filling hole 21 is provided on the first filling hole 21. An internal thread is provided in the first filling hole 21, and the first sealing plug 22 is a hexagon socket screw matched with the internal thread to ensure the sealing of the first float 2. Filler is injected into the first float 2 through the first filling hole 21. By injecting different fillers, the density of the first float 2 can be adjusted, thereby changing the buoyancy of the first float 2 to be suitable for sloshing suppression of different types of liquids.

[0028] A first connection groove 23 is provided on the side wall of the first float 2, and a first fixing rod 24 is fixedly provided inside the first connection groove 23. The top end of the first flexible element 4 passes through the first fixing rod 24 on both sides thereof, thereby connecting the first flexible element 4 to the first float 2. The first filling hole 21 is located 45° above the first connection groove 23.

[0029] like Figure 6 , Figure 7 As shown. A second cavity 37 is provided inside the second float 3, a second filling hole 31 for injecting filler into the second cavity 37 is provided on the side wall of the second float 3, and a second sealing plug 32 for sealing the second filling hole 31 is provided on the second filling hole 31. An internal thread is provided in the second filling hole 31, and the second sealing plug 32 is a hexagon socket screw matched with the internal thread to ensure the sealing of the second float 3. Filler is injected into the second float 3 through the second filling hole 31. By injecting different fillers, the density of the second float 3 can be adjusted, thereby changing the buoyancy of the second float 3 to be suitable for sloshing suppression of different types of liquids.

[0030] The side wall of the second float 3 is provided with a second connection groove 33 and a third connection groove 35. A second fixing rod 34 connected to the bottom end of the first flexible element 4 is fixedly provided inside the second connection groove 33, and a third fixing rod 36 connected to the top end of the second flexible element 5 is fixedly provided inside the third connection groove 35. The angle between the second connection groove 33 and the third connection groove 35 is 180°, and the second filling hole 31 is located 45° obliquely above the third connection groove 35. The bottom end of the first flexible element 4 bypasses the two sides of the second fixing rod 34, thereby connecting the first flexible element 4 with the second float 3. The top end of the second flexible element 5 bypasses the two sides of the third fixing rod 36, thereby connecting the second flexible element 5 with the second float 3.

[0031] like Figure 8As shown. The rope locker 6 is provided with two connection holes 61 penetrating the rope locker 6, and one end of the first flexible element 4 or the second flexible element 5 passes through the two connection holes 61 respectively. Locking blocks 62 are provided at both ends of the rope locker 6, and the first flexible element 4 and the second flexible element 5 in the connection hole 61 are locked by the locking blocks 62. The rope locker 6 is made of polypropylene. The end of the first flexible element 4 is locked on the first flexible element 4 or the end of the second flexible element 5 is locked on the second flexible element 5 by the rope locker 6, so as to realize the fixation of the first float 2, the second float 3 and the first flexible element 4, the second flexible element 5.

[0032] like Fig. 9 As shown. The positioning block 7 is provided with a positioning hole 71 penetrating the positioning block 7 and allowing the second flexible element 5 to pass through, and the positioning block 7 is provided with a locking wire 72 for locking the positioning hole 71. The positioning block 7 is a metal block. The positioning block 7 realizes the positioning of the second flexible element 5 on the bottom plate 8.

[0033] like Fig.10 , Fig.11 , Fig.12 As shown. The bottom plate 8 is provided with a plug hole 82 for the second flexible element 5 to pass through and corresponding to the second flexible element 5. The lower surface of the bottom plate 8 is provided with a mounting groove 81, and the positioning block 7 is located in the mounting groove 81 and clamped between the bottom plate 8 and the cabin 1. The bottom plate 8 is a glass plate.

[0034] In this embodiment, the dimensions of the liquid tank studied are: 600 mm in length, 360 mm in width, and 600 mm in height.

[0035] The outer diameter of the first float 2 and the second float 3 are both 60mm, the inner diameter is 40mm, and the thickness of the ball shell is 20mm. The first float 2 has a first connection groove 23 with a diameter of 6mm and a depth of 5mm at the bottom. The first fixing rod 24 is a cylinder with a length of 6mm and an outer diameter of 2mm. The aperture of the first filling hole 21 is 5mm and the depth is 6mm. The first sealing plug 22 of the hexagon socket screw is 8mm in length and 5mm in diameter.

[0036] The second float 3 has a second connection groove 33 with a diameter of 6 mm at the top and a third connection groove 35 with a diameter of 6 mm at the bottom, both of which are 5 mm deep. The second fixing rod 34 and the third fixing rod 36 are both cylindrical with a length of 6 mm and an outer diameter of 2 mm. The second filling hole 31 has a diameter of 5 mm and a depth of 6 mm. The second sealing plug 32 of the hexagon socket screw is 8 mm long and 5 mm in diameter.

[0037] The total length of the first flexible element 4 and the second flexible element 5 are both 140 mm, and the diameter is 2 mm.

[0038] The rope locker 6 is a cylinder with a height of 10 mm, an outer diameter of 6 mm, and an inner diameter of 4 mm. Two connecting holes 61 with a diameter of 3 mm are provided on the cylindrical surface, and the diameter of the locking block 62 is 4 mm and the length is 4 mm.

[0039] The positioning block 7 is a cylinder with a height of 8mm, an outer diameter of 8mm and an inner diameter of 4mm. A threaded positioning hole 71 with a hole diameter of 4mm is opened on the cylindrical surface to cooperate with the locking wire 72 of the hexagon socket screw, and the length of the locking wire 72 is 4mm and the diameter is 4mm.

[0040] The bottom plate 8 is a cuboid with a length of 600 mm, a width of 360 mm, and a height of 15 mm. The length of the mounting groove 81 is 500 mm, a width of 260 mm, and a height of 8 mm. The diameter of the plug hole 82 is 2 mm, and the length is 7 mm. The horizontal spacing and the vertical spacing of the plug hole 82 are both 72 mm.

[0041] The flexible ball-line array device for mitigating the sloshing of a liquid tank of the present invention has good anti-corrosion and waterproof properties.

[0042] The installation method of the above-mentioned flexible ball-line array device for reducing tank sloshing comprises the following steps: S1. Pass one end of the first flexible element 4 through a connecting hole 61 of the rope lock 6, then through the first connecting groove 23 and around the two sides of the first fixing rod 24, and then through another connecting hole 61 of the rope lock 6, adjust the length of the first flexible element 4, and lock and fix the first flexible element 4 and the rope lock 6 by the locking block 62.

[0043] S2. Pass the other end of the first flexible element 4 through a connecting hole 61 of another rope lock 6, then through the second connecting groove 33 and around the two sides of the second fixing rod 34, and then through another connecting hole 61 of another rope lock 6, adjust the length of the first flexible element 4, and lock and fix the first flexible element 4 and the other rope lock 6 by the locking block 62.

[0044] S3. Pass one end of the second flexible element 5 through a connecting hole 61 of the third rope lock 6, then through the third connecting groove 35 and around the two sides of the third fixing rod 36, and then through another connecting hole 61 of the third rope lock 6, adjust the length of the second flexible element 5, and lock and fix the second flexible element 5 and the third rope lock 6 by the locking block 62.

[0045] S4. Pass the other end of the second flexible element 5 through the bottom plate 8 through the insertion hole 82 and through the positioning hole 71 , and lock and fix the second flexible element 5 to the positioning block 7 through the locking wire 72 .

[0046] S5. Fix the bottom plate 8 to the bottom inner wall of the cabin 1 to complete the installation.

[0047] Therefore, the use of the flexible ball-wire array device for reducing liquid tank sloshing and the installation method thereof described in the present invention can solve the problems of poor three-dimensional characteristics, poor sloshing suppression effect, and difficulty in adjustment of existing liquid tank sloshing control devices.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A flexible ball-line array device for reducing tank sloshing, characterized in that: It includes a plurality of mitigation units, which are flexible ball-line array structures, and are arranged on a bottom plate, which is fixed to the bottom inner wall of the cabin; the mitigation unit includes a plurality of floating bodies distributed in a linear array, which are connected by a first flexible element, and the floating bodies are fixed to the bottom plate by a second flexible element; The float comprises a first float and a second float, the first float and the second float are connected via a first flexible element, the second float is fixed to the bottom plate via the second flexible element, the first float and the second float are both made of 3D printed resin material; the first flexible element and the second flexible element are both flexible ropes made of nylon, the top and bottom of the first flexible element are respectively provided with rope lockers connecting the first flexible element to the first float and the second float, the top of the second flexible element is connected to the second float via the rope locker, and the bottom of the second flexible element is connected to the bottom plate via a positioning block; A first cavity is arranged inside the first float, a first filling hole for injecting filler into the first cavity is arranged on the side wall of the first float, and a first sealing plug for sealing the first filling hole is arranged on the first filling hole; A second cavity is arranged inside the second float, a second filling hole for injecting filler into the second cavity is arranged on the side wall of the second float, and a second sealing plug for sealing the second filling hole is arranged on the second filling hole.

2. A flexible ball-line array device for mitigating tank sloshing according to claim 1, characterized in that: A first connecting groove is arranged on the side wall of the first float, and a first fixing rod connected to the top of the first flexible element is arranged inside the first connecting groove; the first filling hole is located 45 degrees obliquely above the first connecting groove.

3. A flexible ball-line array device for mitigating tank sloshing according to claim 2, characterized in that: A second connecting groove and a third connecting groove are arranged on the side wall of the second float, a second fixing rod connected to the bottom end of the first flexible element is arranged inside the second connecting groove, and a third fixing rod connected to the top end of the second flexible element is arranged inside the third connecting groove; the included angle between the second connecting groove and the third connecting groove is 180°, and the second filling hole is located 45° obliquely above the third connecting groove.

4. A flexible ball-line array device for mitigating tank sloshing according to claim 3, characterized in that: The rope lock is provided with two connecting holes that penetrate the rope lock, and one end of the first flexible element or the second flexible element passes through the two connecting holes respectively. Locking blocks are provided at both ends of the rope lock, and the first flexible element and the second flexible element in the connecting hole are locked by the locking blocks; the rope lock is made of polypropylene.

5. A flexible ball-line array device for mitigating tank sloshing according to claim 4, characterized in that: The positioning block is provided with a positioning hole penetrating through the positioning block and allowing the second flexible element to pass through, and the positioning block is provided with a locking wire for locking the positioning hole; the positioning block is a metal block.

6. A flexible ball-line array device for mitigating tank sloshing according to claim 5, characterized in that: The bottom plate is provided with a plug hole for the second flexible element to pass through and corresponding to the second flexible element one by one, the lower surface of the bottom plate is provided with a mounting groove, the positioning block is located in the mounting groove and clamped between the bottom plate and the cabin body; the bottom plate is a glass plate.

7. A method for installing a flexible ball-line array device for mitigating tank sloshing as claimed in claim 6, characterized in that: The following steps are involved: S1. Pass one end of the first flexible element through a connection hole of the rope locker, then through the first connection groove and around the two sides of the first fixing rod, and then through another connection hole of the rope locker, adjust the length of the first flexible element, and lock and fix the first flexible element and the rope locker with the locking block; S2, pass the other end of the first flexible element through a connecting hole of another rope locker, then pass through the second connecting groove and go around the two sides of the second fixing rod, and then pass through another connecting hole of another rope locker, adjust the length of the first flexible element, and lock and fix the first flexible element and the other rope locker by the locking block; S3, passing one end of the second flexible element through a connection hole of the third rope locker, then through the third connection groove and around the two sides of the third fixing rod, and then through another connection hole of the third rope locker, adjusting the length of the second flexible element, and locking and fixing the second flexible element and the third rope locker by the locking block; S4, passing the other end of the second flexible element through the bottom plate through the insertion hole and through the positioning hole, and locking and fixing the second flexible element to the positioning block through the locking wire; S5. Fix the bottom plate to the bottom inner wall of the cabin to complete the installation.

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