Fishing gas-bag restraint device and fishing gas-bag lashing method

Abstract

The application provides a fishing airbag binding device and a fishing airbag binding method. The binding device is a rectangular cuboid truss net cage structure with an unsealed bottom. An un-inflated fishing airbag is laid and placed in the binding device. The middle part of the airbag is close to the top surface of the binding device, and the two end parts of the airbag naturally sag. The middle part of the airbag is bound to the top surface of the binding device by using a palm rope, and the two end parts of the airbag are connected to the two end surfaces of the binding device by using a steel wire rope, so that the movement track and state of the fishing airbag during the inflation process are controlled, the operability is improved, and the operation safety is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shipwreck salvage, in particular to a salvage air bag binding device and a salvage air bag binding method. BACKGROUND

[0002] Air bag products are widely used in the ship launching industry, ship supporting, ocean engineering and other fields due to their convenience, durability, easy storage and low cost. With the continuous development and innovation of salvage technology and process, air bags are used as a salvage equipment in salvage engineering. In the case where other large-scale salvage equipment cannot be used or cannot provide sufficient buoyancy, the air bag can be fixed on the outside of the ship to provide external buoyancy, or placed in the cabin of the sunken ship to provide internal buoyancy. In the salvage of stranded ships, the air bag can be arranged on the bottom of the stranded ship to help the stranded ship to get out of the shallow water.

[0003] During the use of the air bag, the following problems often occur: 1. During the inflation process, the air bag continuously expands in volume and is easily broken and punctured when encountering sharp edges or sharp structures, resulting in air bag failure; 2. The posture of the air bag during inflation is difficult to effectively control, and is affected by the binding method and the posture before inflation, which can cause local gas concentration, uneven expansion of the air bag, and excessive local buoyancy, and the air bag can be untied; 3. The movement trajectory of the air bag during inflation is difficult to effectively control, and the air bag generates acceleration under the action of buoyancy as it continuously expands, and simple binding and fixing cannot effectively constrain and control the movement trajectory of the air bag, which can cause the air bag to lose control and result in air bag arrangement failure; 4. The air bag and the salvaged object are not easy to connect and fix, and the linear change of the air bag after complete inflation is large and the surface of the air bag has no root point, so the air bag can be easily untied by binding and fixing with flexible materials such as ropes.

[0004] To solve the above problems, the commonly used solution is to use a net structure, which is made of flexible material and has multiple root points to connect and fix the air bag and the salvaged object, and to bind the air bag and control its movement trajectory. However, this solution does not solve the problem of air bag puncture and tearing, and does not solve the problem of uneven expansion of the air bag during inflation. In addition, the flexible material has a large tension and cannot effectively control the movement trajectory of the air bag. SUMMARY

[0005] In view of the above technical problems, a salvage air bag binding device and a salvage air bag binding method are provided to efficiently and safely use air bags for salvage operations.

[0006] The technical means adopted by the present application are as follows:

[0007] A kind of fishing air bag binding device, the binding device adopts truss net cage structure, the structure is overall rectangular, structure adopts the form of incomplete closure, bottom is not closed, the rest surface adopts truss closure;Fishing air bag is tied in the binding device, and the gap between the fishing air bag and the binding device after the fishing air bag is completely inflated is not more than 1 m.

[0008] Preferably, the truss beam of the binding device adopts Q345H type steel, and the truss beams are fixed by welding.

[0009] Preferably, the left and right two end surfaces of the binding device are square.

[0010] The application also provides a fishing air bag tying method, comprising the following steps:

[0011] S1, the uninflated fishing air bag is completely unfolded and laid in the binding device;

[0012] S2, the middle section of the fishing air bag is close to the top surface of the binding device, and the two end portions of the fishing air bag are naturally drooping;

[0013] S3, the middle section is tied on the top surface of the binding device using a palm rope;

[0014] S4, the flanges of the two end portions are connected to the two end surfaces of the binding device respectively using a steel wire rope, and the steel wire rope is tightened.

[0015] Preferably, the fishing air bag is arranged at the center position of the binding device.

[0016] Preferably, the length of the middle section in step S2 is at least 2 / 3 of the total length of the fishing air bag, and the lengths of the two end portions are equal.

[0017] Preferably, the diameter of the palm rope in step S3 is at least 20 mm, the number of the palm ropes is not less than 8 and is uniformly arranged, and the distance between the fishing air bag and the top surface of the binding device is not more than 50 cm when tied.

[0018] Preferably, the diameter of the steel wire rope in step S4 is at least 16 mm, and the included angle formed by the two end portions and the middle section after the steel wire rope is tightened is not less than 135°.

[0019] Compared with the prior art, the application has the following advantages:

[0020] The truss net cage structure has better structural strength and stability, can effectively control the movement trajectory of the air bag during inflation, and prevent the air bag from losing control.

[0021] The intersection between the truss beams can provide sufficient binding root points, facilitating the binding and fixing of the air bag.

[0022] The truss net cage structure can be connected and fixed with the fished object through welding, solving the problem of unstable connection between the air bag and the fished object.

[0023] The posture of the middle section of the fishing air bag being arched and the two end sections being drooped can make the middle section of the fishing air bag first inflate and uniformly expand during the inflation process, effectively preventing the local stress from being too large due to local gas concentration, thus preventing the air bag from breaking the binding.

[0024] The middle section of the fishing air bag is close to the top surface of the binding device, and the middle section first expands during the inflation process of the air bag. After expansion, the middle section of the air bag contacts the top surface of the binding device and generates interaction force, which can effectively control the posture and trajectory of the air bag under the influence of the interaction force.

[0025] The binding and fixing operation using the palm rope is simple. After the palm rope is broken due to the outward tension after the inflation and expansion of the fishing air bag, the air bag continues to expand, which effectively binds and fixes the air bag and reduces the workload of the diver for underwater unbinding.

[0026] The two end sections of the fishing air bag form a 135° angle with the middle section, which can make the gas first concentrate in the middle section of the fishing air bag, and avoid the gas first gathering in the drooped two ends due to the narrow space of the folded part of the fishing air bag, effectively controlling the state of the air bag during expansion.

[0027] Based on the above reasons, the present application can be widely popularized in the field of shipwreck salvage. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0029] Fig. 1 The structure diagram of the fishing air bag in the binding device in embodiments 1 and 2 of the present application.

[0030] Fig. 2 The structure diagram of the fishing air bag binding device in embodiments 1 and 2 of the present application.

[0031] Fig. 3 The structure diagram of the fishing air bag in embodiments 1 and 2 of the present application.

[0032] 1, air bag restraint device; 2, salvage air bag; 3, jute rope; 4, steel wire rope; 5, end face; 6, bottom face; 7, top face; 8, truss beam; 9, middle section; 10, both end sections; 11, flange plate. DETAILED DESCRIPTION

[0033] It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0034] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The description of the at least one exemplary embodiment is actually only illustrative, but not intended to limit the present application and its application or use in any way. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0035] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0036] Unless specifically stated otherwise, the relative arrangement of components and steps, numerical expressions, and numerical values set forth in the various embodiments described herein are not limiting. It should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportional relationship. The technology, methods and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0038] For ease of description, spatial relative terms such as "above," "over," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation besides the orientation of the device as described in the figures. For example, if the device in the figures is inverted, a device described as "above" or "above" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0039] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0040] Example 1

[0041] like Figs. 1-3 As shown, a salvage airbag restraint device is disclosed. The restraint device 1 adopts a truss mesh box structure, which is rectangular. The left and right end faces 5 of the restraint device 1 are square, the top face 7 and the two side walls are closed, and the bottom face 6 is not closed. The salvage airbag 2 is bound inside the restraint device 1, and the gap between the salvage airbag 2 and the restraint device 1 after the airbag is fully inflated is no more than 1m. The truss beams 8 of the restraint device 1 are made of Q345H steel, and the truss beams 8 are fixed together by welding.

[0042] Example 2

[0043] like Figs. 1-3 As shown, a method for securing a salvage airbag, using the restraint device 1 in Example 1, includes the following steps:

[0044] S1, the un-inflated fishing airbag 2 is completely unfolded and placed in the center of the restraint device 1;

[0045] S2, the middle section 9 of the fishing airbag 2 is attached to the top surface 7 of the restraint device 1 using hoisting machinery, and the two end sections 10 of the fishing airbag 2 are naturally hanging down;

[0046] S3, the palm rope 3 is wound around the lower surface of the middle section 9, and the two ends of the palm rope 3 are fixed at the intersection of the truss beam 8 of the top surface 7;

[0047] S4, the flanges 11 of the two end sections 10 are connected to the two end surfaces 5 of the restraint device 1 respectively using the steel wire rope 4, and the steel wire rope 4 is tightened.

[0048] The fishing airbag 2 is arranged in the center of the restraint device 1.

[0049] The length of the middle section 9 is at least 2 / 3 of the total length of the fishing airbag 2, and the lengths of the two end sections 10 are equal.

[0050] The diameter of the palm rope 3 is at least 20mm, the number of the palm rope 3 is not less than 8 and is uniformly arranged, and the distance between the fishing airbag 2 and the top surface 7 is not more than 50cm when the palm rope 3 is tied.

[0051] The diameter of the steel wire rope 4 is at least 16mm, and the included angle between the two end sections 10 and the middle section 9 after the steel wire rope 4 is tightened is not less than 135°.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A salvage airbag restraint device, characterized in that, The restraint device adopts a truss mesh box structure, which is rectangular and has an open bottom surface; the salvage airbag is tied inside the restraint device, and the gap between the salvage airbag and the restraint device after the salvage airbag is fully inflated is no more than 1m; the middle part of the salvage airbag is close to the top surface of the restraint device, and the two ends hang down naturally. The middle part is tied to the top surface of the restraint device with hemp rope, and the two ends are connected to the two end faces of the restraint device with steel wire rope. The two ends of the salvage airbag form a 135° angle with the middle section, which causes the gas to concentrate in the middle section of the salvage airbag first. This avoids the gas from accumulating at the two drooping ends due to the narrow space in the folded part of the salvage airbag, and effectively controls the state of the airbag when it inflates.

2. The salvage airbag restraint device according to claim 1, characterized in that, The truss beams of the restraint device are made of Q345H steel, and the truss beams are fixed together by welding.

3. The salvage airbag restraint device according to claim 1, characterized in that, The left and right end faces of the restraint device are square.

4. A method for securing a salvage airbag, using the salvage airbag restraint device described in any one of claims 1-3, characterized in that, Includes the following steps: S1. Fully unfold the uninflated salvage airbag and lay it flat inside the restraint device; S2. Place the middle section of the salvage airbag close to the top surface of the restraint device, with both ends of the salvage airbag hanging down naturally. S3. Use a hemp rope to tie the middle section to the top surface of the restraint device; S4. Use steel wire rope to connect the flanges at both ends to the two end faces of the restraint device and tighten the steel wire rope.

5. The method for securing a salvage airbag according to claim 4, characterized in that: The salvage airbag is positioned at the center of the restraint device.

6. The method for securing a salvage airbag according to claim 4, characterized in that: In step S2, the length of the middle section is at least 2 / 3 of the total length of the retrieval airbag, and the lengths of the two end sections are equal.

7. The method for securing a salvage airbag according to claim 4, characterized in that: The diameter of the brown rope in step S3 is at least 20mm, the number of brown ropes is not less than 8 and they are evenly arranged, and when binding, the distance between the retrieval airbag and the top surface of the restraint device is not greater than 50cm.

8. The method for securing a salvage airbag according to claim 4, characterized in that: The diameter of the wire rope in step S4 is at least 16mm, and the angle formed by the two ends and the middle section after the wire rope is tightened is not less than 135°.

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