A soft float

Abstract

The present application relates to marine seismic survey equipment field, especially a kind of soft floating body, including the floating body head of front part, intermediate several fixed connecting sleeve and tail connecting sleeve, floating body head and first fixed connecting sleeve between, between two adjacent fixed connecting sleeves and between last fixed connecting sleeve and tail connecting sleeve are connected using inflatable hose, inflatable hose is fixed on floating body head, fixed connecting sleeve and tail connecting sleeve using binding piece, inflatable hose is inflated by valve nozzle on the sealing partition on the side wall of fixed connecting sleeve, equipment shock absorbing support is fixedly installed on tail connecting sleeve.Further, non-professional scientific investigation ship is better saved and utilized space, equipment has better buffer condition, and good condition is provided for the progress of seismic survey task.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of marine seismic survey equipment, in particular to a soft floating body. BACKGROUND

[0002] Marine seismic exploration vessels are special vessels specially designed and manufactured for specific operations. Therefore, long source arrays on marine seismic exploration vessels use hard floating bodies, which are simple and easy to use due to their inherent design advantages of space pipes, etc.

[0003] With the improvement of the comprehensive capabilities of marine scientific research vessels by the Chinese government, more and more marine scientific research vessels have taken on the task of seismic exploration. However, non-professional seismic exploration vessels have narrow and limited space on the aft deck, no buffer storage conditions, and the aft deck is relatively high above the water surface, which is not conducive to the use of hard floating body source arrays for storage and construction on the ship structure, to some extent, hindering the progress of seismic survey tasks, so a new type of seismic source floating body is needed to solve the above problems. SUMMARY

[0004] In order to solve the above technical problems, a soft floating body is provided, which has a simple structure and mainly uses flexible materials. The overall body is flexible, the surface is tough and wear-resistant, the inside is inflatable, the buoyancy is large, the structure is segmented, and the length can be extended as needed, and the hanging point of the suspended seismic source can be increased and adjusted.

[0005] The soft floating body provided by the present application comprises a floating body head, a plurality of fixed connection sleeves in the middle, and a tail connection sleeve. The floating body head and the first fixed connection sleeve, the adjacent two fixed connection sleeves, and the last fixed connection sleeve and the tail connection sleeve are connected by inflatable hoses. The inflatable hoses are fixed to the floating body head, the fixed connection sleeves and the tail connection sleeve by binding members.

[0006] Further, a movable connection sleeve is arranged inside the inflatable hose, and the movable connection sleeve is fixed to the inflatable hose by a binding member.

[0007] Further, one end of the floating body head is connected to the inflatable hose, and a metal anti-collision cover is arranged at the front of the floating body head.

[0008] Further, the floating body head is filled with a filler, the filler is a non-hydrophilic material, and the density d of the filler is ≤0.1 g / cm 3 .

[0009] Further, a sealing partition is arranged in the middle of the fixed connecting sleeve, and a valve is arranged on the side wall of the fixed connecting sleeve on both sides of the sealing partition, and the air in the inflatable tube is inflated or deflated through the valve.

[0010] Further, a hanging point clamp is arranged on the big head of the floating body, each of the fixed connecting sleeve and the movable connecting sleeve.

[0011] Further, a device shock-absorbing support is fixedly arranged on the upper surface of the tail connecting sleeve.

[0012] Further, the material of the hanging point clamp and the binding member is stainless steel, the material of the fixed connecting sleeve, the movable connecting sleeve and the tail connecting sleeve is anticorrosive aluminum alloy or engineering plastic, and the inflatable tube is a high-strength rubber tube or a flexible plastic.

[0013] Compared with the prior art, the soft floating body provided by the application has the following beneficial effects:

[0014] The soft seismic source floating body provided by the application has the following advantages: the structure is simple, the main structure is combined by multiple rigid structures and flexible structures, the whole body is bendable, the deck space can be fully utilized, the whole body can be conveniently stored and taken out, the body is not easy to break, the surface is tough and wear-resistant, the sectional structure can be used to increase or reduce the number of sections to adjust the overall length, the number of hanging points for suspending seismic sources and the position of the hanging points can be adjusted by increasing or reducing and moving the movable connecting sleeve, the soft seismic source floating body is inflatable, the big head of the floating body is filled with plastic foaming filler, and the floating body has large buoyancy, the surface of the big head of the floating body is wear-resistant and durable, the front part is provided with a fender to prevent the impact of ice floes or floating objects, and the floating body can be used in cold water areas, the rear part of the soft seismic source floating body is provided with a device shock-absorbing support, devices for positioning can be installed, and the vibration impact can be effectively reduced, and all metal parts are made of stainless steel or anticorrosive aluminum alloy to prevent seawater from corroding the equipment provided by the application. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a front view of the soft floating body provided by the application;

[0016] Figure 2 FIG. 4 is a partial enlarged view of the fixed connecting sleeve of the soft floating body provided by the application;

[0017] Figure 3 FIG. 5 is a partial enlarged view of the movable connecting sleeve of the soft floating body provided by the application;

[0018] Figure 4 FIG. 6 is a partial enlarged view of the tail connecting sleeve of the soft floating body provided by the application;

[0019] Figure 5 A schematic diagram of the large-head structure of a flexible float provided by the present invention;

[0020] Figure 6 A schematic diagram illustrating the working state of a flexible float provided by the present invention;

[0021] In the picture:

[0022] 1. Buoy head; 2. Filler; 3. High-strength soft rubber hose; 4. Valve; 5. Fixed connecting sleeve; 6. Movable connecting sleeve; 7. Hanging point clip; 8. Binding component; 9. Equipment shock absorption bracket; 10. Tail connecting sleeve; 11. Sealing partition. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0024] like Figures 1 to 6 As shown, the present invention provides a soft float comprising a front float head 1, a plurality of middle fixed connecting sleeves 5, and a tail connecting sleeve 10. The float head 1 and the first fixed connecting sleeve 5, the two adjacent fixed connecting sleeves 5, and the last fixed connecting sleeve 5 and the tail connecting sleeve 10 are all connected by an inflatable hose 3. The inflatable hose 3 is fixed to the float head 1, the fixed connecting sleeves 5, and the tail connecting sleeve 10 by a binding member 8, and serves as a seal.

[0025] In a preferred embodiment, a movable connecting sleeve 6 is provided inside the inflatable hose 3, and the movable connecting sleeve 6 is fixed to the inflatable hose 3 using a binding member 8. The number of movable connecting sleeves 6 can be increased or decreased as needed to increase or decrease the number of hanging points, or the hanging point positions can be adjusted by moving the front and back positions of the movable connecting sleeves 6 inside the inflatable hose 3.

[0026] In a preferred embodiment, one end of the float is connected to the inflatable hose, and a crash shield is provided at the front of the float 1 to prevent impact from floating ice or floating objects, so as to adapt to operation in cold water.

[0027] In a preferred embodiment, the interior of the large head 1 of the float is filled with a plastic foam filler 2, which is a non-hydrophilic material with a density d ≤ 0.1 g / cm³. 3 It has a high foaming ratio and high buoyancy.

[0028] In a preferred embodiment, a sealing partition is provided in the middle of the fixed connecting sleeve, and an air valve is provided on each side of the sealing partition on the side wall of the fixed connecting sleeve. The air valve 4 can be used to inflate the air hose 3, resulting in high buoyancy.

[0029] In a preferred embodiment, the floating body head 1, each of the fixed connecting sleeve 5 and the movable connecting sleeve 6 is provided with a hanging point clamp 7, the upper part of which is used for fixing the hoisting rope, and the lower part can hang the operation equipment such as the seismic source.

[0030] In a preferred embodiment, the upper surface of the tail connecting sleeve 10 is also fixedly provided with a device shock absorbing support 9, which can install the equipment used for seismic source positioning and reduce the vibration impact from the seismic source.

[0031] In a preferred embodiment, the hanging point clamp 7 and the binding member 8 are made of stainless steel, and the fixed connecting sleeve 5, the movable connecting sleeve 6 and the tail connecting sleeve 9 are made of corrosion-resistant aluminum alloy or other metal materials, so as to prevent the corrosion damage of seawater to the equipment.

[0032] As shown in the drawings, the floating body head 1 and the first fixed connecting sleeve 5, the adjacent two fixed connecting sleeves 5 and the last fixed connecting sleeve 5 and the tail connecting sleeve 10 are connected by the inflatable hose 3. Figure 4 Since the inflatable hose is made of soft material and can be bent, the soft floating body provided by the present application can be bent as a whole, the bending degree can be adjusted at any time during the release and launching process, the breakage can be avoided, and the limited space can be effectively utilized when the rear deck is stored, so that the superiority of the soft floating body provided by the present application is fully embodied.

[0033] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any slight modification, equivalent replacement and improvement made according to the technical essence of the present application to the above embodiment shall be included in the protection scope of the technical scheme of the present application.

Claims

1. A flexible float, comprising a float head (1), a fixed connecting sleeve (5), a movable connecting sleeve (6), a tail connecting sleeve (10), an inflatable hose (3), and a binding member (8), wherein the float head (1) and the fixed connecting sleeve (5), two adjacent fixed connecting sleeves (5), and the fixed connecting sleeve (5) and the tail connecting sleeve (10) are all connected by the inflatable hose (3), characterized in that, The movable connecting sleeve (6) is located inside the inflatable hose (3) and can move inside the inflatable hose (3). The tying piece (8) is used to fix the movable connecting sleeve (6) to the inflatable hose (3). Hanging clips (7) are provided on the large head (1) of the float, each of the fixed connecting sleeves (5) and the movable connecting sleeves (6); When the movable connecting sleeve (6) is in the set position of the air hose (3), the movable connecting sleeve (6) and the air hose (3) are fixed by locking the hanging point clip (7). When it is necessary to adjust the position of the movable connecting sleeve (6), the hanging point clip (7) is loosened to adjust the position of the movable connecting sleeve (6).

2. A soft float according to claim 1, characterized in that, The inflatable hose (3) is airtightly fixed to the large end (1) of the float by the binding member (8), the inflatable hose (3) is airtightly fixed to the fixed connecting sleeve (5) by the binding member (8), and the inflatable hose (3) is airtightly fixed to the tail connecting sleeve (10) by the binding member (8).

3. A soft float according to claim 1, characterized in that, One end of the float head (1) is connected to the air hose (3), and the other end of the float head (1) is provided with an anti-collision protective cover.

4. A soft float according to claim 1, characterized in that, The large head (1) of the float is filled with filler (2), which is a non-hydrophilic material with a density d≤0.1g / cm³.

5. A soft float according to claim 1, characterized in that, The fixed connecting sleeve (5) has a sealing partition (11) in the middle. On the side wall of the fixed connecting sleeve (5), there is a valve (4) on each side of the sealing partition (11). The valve (4) is used to inflate or deflate the air hose (3).

6. A soft float according to claim 1, characterized in that, The equipment shock absorber bracket (9) is fixedly installed on the tail connecting sleeve (10).

7. A soft float according to any one of claims 1-6, characterized in that, The hanging point clip (7) and the binding piece (8) are both made of stainless steel. The fixed connecting sleeve (5), the movable connecting sleeve (6) and the tail connecting sleeve (10) are both made of corrosion-resistant aluminum alloy or engineering plastic. The inflatable hose (3) is a high-strength rubber tube or flexible plastic.

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