阅读说明：本技术 一种船用震源收放装置 (Marine seismic source winding and unwinding devices ) 是由 刘志杰 陈矢乔 王康 赵铁生 于 2021-02-04 设计创作，主要内容包括：本发明提供一种船用震源收放装置,包括：存放结构、滑轨、吊链、第一收放绞车和炮缆绞车；所述存放结构设于船体艉部,且具有朝向船体艉部方向的开口,所述滑轨沿所述存放结构的长度方向设于所述存放结构的顶部,并从所述开口伸出；所述滑轨上设有可滑动的吊链,所述吊链的端部设有用于连接震源的连接结构,所述第一收放绞车设于所述开口处,所述炮缆绞车设于所述存放结构靠近船艏方向侧,所述炮缆绞车绕有炮缆,所述炮缆与所述震源连接。本发明通过绞车收放震源,实现将船上的震源放入水中,和将水中的震源回收到船上的过程,使用安全方便,结构稳固可靠。(The invention provides a marine seismic source collecting and releasing device, which comprises: the device comprises a storage structure, a slide rail, a lifting chain, a first retractable winch and a cannon cable winch; the storage structure is arranged at the stern part of the ship body and is provided with an opening facing the stern part of the ship body, and the slide rail is arranged at the top of the storage structure along the length direction of the storage structure and extends out of the opening; the sliding rail is provided with a slidable hanging chain, the end part of the hanging chain is provided with a connecting structure for connecting a seismic source, the first retractable winch is arranged at the opening, the cannon cable winch is arranged on the side, close to the ship bow direction, of the storage structure, and the cannon cable winch is wound with a cannon cable, and is connected with the seismic source. The invention realizes the process of putting the seismic source on the ship into water and recovering the seismic source in the water to the ship by retracting and releasing the seismic source through the winch, and has safe and convenient use and stable and reliable structure.)

1. A marine seismic source retraction device, comprising: the device comprises a storage structure (1), a slide rail (2), a lifting chain (3), a first winding and unwinding winch (4) and a cannon cable winch (9);

the storage structure (1) is arranged at the stern of the ship body (6) and is provided with an opening (101) facing the stern direction of the ship body (6), and the slide rail (2) is arranged at the top of the storage structure (1) along the length direction of the storage structure (1) and extends out of the opening (101);

a slidable hanging chain (3) is arranged on the sliding rail (2), and a connecting structure (8) for connecting a seismic source (7) is arranged at the end part of the hanging chain (3);

the first retracting winch (4) is arranged at the opening (101), the gunwire cable winch (9) is arranged on the side, close to the bow direction, of the storage structure (1), the gunwire cable winch (8) is wound with a gunwire cable, and the gunwire cable is connected with the seismic source (7).

2. The marine seismic source collecting and releasing device as claimed in claim 1, wherein a cantilever beam (10) is arranged at the opening, the cantilever beam (10) is connected with the top of the storage structure (1), a fixed pulley (11) is arranged at the end of the cantilever beam (10), the first collecting and releasing winch (4) is fixed at the top of the opening (101), and a stranded wire of the first collecting and releasing winch (4) bypasses the fixed pulley (11) to be connected with the seismic source (7).

3. The marine seismic source retraction device according to claim 1, further comprising a second retraction winch (5), wherein the second retraction winch (5) is arranged on the top inner wall of the storage structure (1) and is close to the direction of the bow.

4. The marine seismic source collecting and releasing device as claimed in claim 1, wherein a lifting point beam (102) is arranged on the inner wall of the top of the storage structure (1) along the width direction, a vertical slide rail lifting beam (103) is arranged below the lifting point beam (102), the slide rail (2) is mounted below the slide rail lifting beam (103), and the suspension chain (3) is connected with the slide rail (2) through a sliding block (201);

the slide rail hanging beams (103) are multiple, and the slide rail hanging beam close to the stern is longer than the slide rail hanging beam close to the bow.

5. The marine seismic source collecting and releasing device according to claim 1, wherein the sliding rail (2) comprises a straight portion (203) and a curved portion (204), the straight portion (203) is arranged in the storage structure (1), one end of the curved portion (204) is connected with the straight portion (203), the other end of the curved portion (204) is arranged outside the storage structure (1), the curved portion (204) is provided with a gathering point (202), and the gathering point (202) is lower than two ends of the curved portion (204);

the storage structure (1) is internally provided with two slide rails (2), and the bending parts (204) of the two slide rails gradually approach from the bow to the stern and reach the nearest distance at the gathering point (202).

6. The marine seismic source collecting and releasing device as recited in claim 1, characterized in that the stern part of the hull (6) is provided with a slope (601), and the slope (601) forms an angle of 40-60 degrees with the horizontal plane.

7. The marine seismic source pay-off and pay-off device of claim 2, further comprising a truss (12), wherein the truss (12) is connected to the storage structure (1) and the cantilever beam (10), respectively.

Technical Field

The invention relates to the field of marine surveying, in particular to a marine seismic source retracting device.

Background

Abundant resources are contained in the ocean, and marine exploration seismic source ships are generally adopted in marine resource exploration of human beings. The deck of the marine exploration seismic source ship needs to be provided with a large amount of professional exploration equipment, so that the space on the deck is extremely limited. The air gun array of the seismic source vessel is used as a seismic source, needs to be lifted out of the water below the surface of the water outside the vessel and emits high intensity sound, called firing.

The seismic source needs to be carried by the ship body, is lowered into water when reaching a designated position, and is recovered to a ship after being used. Because the volume and the weight of the seismic source are both larger, manual retraction is very inconvenient, and the efficiency is low.

Disclosure of Invention

The invention provides a marine seismic source collecting and releasing device, which aims to solve the problems.

A marine seismic source retraction apparatus comprising: the device comprises a storage structure, a slide rail, a lifting chain, a first retractable winch and a cannon cable winch;

the storage structure is arranged at the stern part of the ship body and is provided with an opening facing the stern part of the ship body, and the slide rail is arranged at the top of the storage structure along the length direction of the storage structure and extends out of the opening;

the sliding rail is provided with a slidable hanging chain, the end part of the hanging chain is provided with a connecting structure for connecting a seismic source,

the first retracting winch is arranged at the opening, the cannon cable winch is arranged on the side, close to the bow direction, of the storage structure, the cannon cable winch is wound with a cannon cable, and the cannon cable is connected with the seismic source.

Furthermore, a cantilever beam is arranged at the opening and connected with the top of the storage structure, a fixed pulley is arranged at the end of the cantilever beam, the first retractable winch is fixed at the top of the opening, and a stranded wire of the first retractable winch bypasses the fixed pulley and is connected with the seismic source.

And the second retractable winch is arranged on the inner wall of the top of the storage structure and is close to the direction of the bow.

Furthermore, a lifting point beam is arranged on the inner wall of the top of the storage structure along the width direction, a sliding rail lifting beam in the vertical direction is arranged below the lifting point beam, the sliding rail is arranged below the sliding rail lifting beam, and the lifting chain is connected with the sliding rail through a sliding block;

the slide rail hanging beam is provided with a plurality of slide rail hanging beams, and the slide rail hanging beam close to the stern is longer than the slide rail hanging beam close to the bow.

Further, the slide rail comprises a linear part and a bent part, the linear part is arranged in the storage structure, one end of the bent part is connected with the linear part, the other end of the bent part is arranged outside the storage structure, the bent part is provided with an aggregation point, and the aggregation point is lower than two ends of the bent part;

the storage structure is internally provided with two slide rails, and the bending parts of the two slide rails gradually approach from the ship bow to the ship stern and reach the nearest distance at the gathering point.

Furthermore, the stern part of the ship body is provided with an inclined plane, and the included angle between the inclined plane and the horizontal plane is 40-60 degrees.

Further, the storage structure further comprises a truss, and the truss is connected with the storage structure and the cantilever beam respectively.

The marine seismic source retracting and releasing device disclosed by the invention has the advantages that the seismic source on the ship is retracted and released through the winch, the process of putting the seismic source on the ship into water and recovering the seismic source in the water to the ship is realized, the use is safe and convenient, and the structure is stable and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a marine seismic source collecting and releasing device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a marine seismic source deploying and retracting device according to an embodiment of the invention, wherein the state is an initial state of a recovered seismic source;

FIG. 3 is a schematic diagram of a marine seismic source deploying and retracting device according to an embodiment of the invention, wherein the state is a middle state of a recovery seismic source;

FIG. 4 is a schematic diagram of a marine seismic source deploying and retracting device in an embodiment of the invention, wherein the state is a seismic source recovery completion state;

FIG. 5 is a top view of a marine seismic source collecting and releasing device according to an embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 1;

FIG. 7 is an enlarged view of portion B of FIG. 1;

fig. 8 is a schematic view of a slide rail according to an embodiment of the invention.

In the figure: 1. a storage structure; 101. an opening; 102. a hoisting point beam; 103. a sliding rail hanging beam; 2. a slide rail; 201. a slider; 202. a focus point; 203. a straight portion; 204. a bending section; 3. a chain is hung; 4. a first retracting winch; 5. a second winch for winding and unwinding; 6. a hull; 7. a seismic source; 8. a connecting structure; 9. a cannon cable winch; 10. a cantilever beam; 11. a fixed pulley; 12. a truss.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, a marine seismic source collecting and releasing device comprises: the device comprises a storage structure 1, a slide rail 2, a lifting chain 3, a first winding and unwinding winch 4 and a cannon cable winch 9;

the storage structure 1 is arranged at the stern part of the ship body 6 and is provided with an opening 101 facing the stern part of the ship body 6, and the slide rail 2 is arranged at the top of the storage structure 1 along the length direction of the storage structure 1 and extends out of the opening 101;

the sliding rail 2 is provided with a sliding sling chain 3, the end part of the sling chain 3 is provided with a connecting structure 8 for connecting a seismic source 7,

the first retracting winch 4 is arranged at the opening 101, the cannon cable winch 9 is arranged on the side, close to the bow direction, of the storage structure 1, the cannon cable winch 8 is wound with a cannon cable, and the cannon cable is connected with the seismic source 7.

In this embodiment, the storage structure 1 is a container, the top of the container is provided with a slide rail 2, the suspension chain 3 is connected with the slide rail 2 through a slide block 201, and the end of the suspension chain 3 is provided with a connecting structure 8, as shown in fig. 7, in this embodiment, the connecting structure 8 is a U-shaped connecting piece and a bolt, and the seismic source is provided with a connecting ring, so that the disassembly and connection are convenient.

The storage structure comprises a storage structure 1 and a cantilever beam 10, wherein the cantilever beam 10 is arranged at the opening, the cantilever beam 10 is connected with the top of the storage structure 1, the storage structure further comprises a truss 12, and the truss 12 is respectively connected with the storage structure 1 and the cantilever beam 10, so that the connection strength between the storage structure 1 and the cantilever beam 10 and the torsional strength of the cantilever beam 10 are increased. The end part of the cantilever beam 10 is provided with a fixed pulley 11, the first winding and unwinding winch 4 is fixed at the top of the opening 101, and a stranded wire of the first winding and unwinding winch 4 bypasses the fixed pulley 11 to be connected with the seismic source 7.

The stranded wire of the first winding and unwinding winch 4 bypasses the fixed pulley, the winding direction of the first winding and unwinding winch 4 is changed, and one end of the seismic source can be conveniently lifted from water when the seismic source is wound, so that the follow-up operation is facilitated.

The ship storage structure further comprises a second retracting winch 5, wherein the second retracting winch 5 is arranged on the inner wall of the top of the storage structure 1 and is close to the direction of a ship bow. The second retraction winch 5 is used for adjusting the attitude of the seismic source, so that the seismic source is higher in controllability in the storage structure 1.

As shown in fig. 6, a hanging point beam 102 is arranged on the inner wall of the top of the storage structure 1 along the width direction, a vertical slide rail hanging beam 103 is arranged below the hanging point beam 102, the slide rail 2 is arranged below the slide rail hanging beam 103, and the hanging chain 3 is connected with the slide rail 2 through a sliding block 201;

the slide rail hanging beams 103 are multiple, and the slide rail hanging beam close to the stern is longer than the slide rail hanging beam close to the bow.

The lifting point cross beams 102 are arranged in a plurality of numbers to increase the strength of the top wall of the container, the lifting point cross beams 102 and the slide rail hanging beams 103 are all made of I-shaped steel and are arranged perpendicular to each other, the length of the slide rail hanging beams 103 is gradually increased from the ship bow to the ship stern, so that the slide rail 2 has a certain inclination, and the slide blocks can slide to the ship stern under the action of gravity when in a free state.

As shown in fig. 8, the slide rail 2 includes a straight portion 203 and a curved portion 204, the straight portion 203 is disposed in the storage structure 1, one end of the curved portion 204 is connected to the straight portion 203, the other end is disposed outside the storage structure 1, the curved portion 204 has a gathering point 202, and the gathering point 202 is lower than both ends of the curved portion 204;

the storage structure 1 is internally provided with two slide rails 2, and the bending parts 204 of the two slide rails gradually approach from the bow to the stern and reach the nearest distance at the gathering point 202.

As shown in fig. 5, the sliding blocks are gathered at the gathering point 202 in a free state, so that the seismic source can be conveniently recovered for use, the two sliding rails are parallel to each other in the storage structure 1, the bent portions 204 of the two sliding rails are firstly in a mutually close posture in a top view, the two sliding rails are closest to each other at the gathering point 202, and after passing through the gathering point 202, the two sliding rails are continuously in a mutually parallel posture.

The stern part of the ship body 6 is provided with an inclined surface 601, and the included angle between the inclined surface 601 and the horizontal plane is 40-60 degrees and 50 degrees in the embodiment. The inclined plane 601 may facilitate the seismic source in lowering and retrieving.

The working process of the embodiment is as follows:

the recovery process comprises the following steps: as shown in fig. 2, the seismic source is in water, the head of the seismic source is connected with a cable, a stranded wire of a first retractable winch is connected with the head of the seismic source, then the first retractable winch is started to pull up the head of the seismic source, and meanwhile, the cable winch is started to pull the seismic source to a ship; as shown in fig. 3, the seismic source is pulled up to the inclined plane and moves to the ship, in the process, the first retraction winch firstly takes up the line and then releases the line, the seismic source is pulled to the position of a gathering point, a worker connects a lifting chain with the seismic source and continuously starts a cable winch to move to the storage structure; as the seismic source gradually enters the storage structure, the action of the first winding and unwinding winch is gradually reduced, and the stranded wire can be removed; as shown in fig. 4, the stranded wire of the second retraction winch is connected with the seismic source, the head, the tail or the middle of the seismic source can be connected as required, the seismic source is straightened by the second retraction winch, the seismic source is located at a proper position in the storage structure until the seismic source completely enters the storage structure, and the seismic source recovery is completed.

And (3) lowering: the seismic source is in the storage structure, a stranded wire of the first winding and unwinding winch is connected with the seismic source, the head, the tail or the middle of the seismic source can be connected according to needs, the first winding and unwinding winch is started, the seismic source is pulled outwards, and meanwhile, the cannon cable winch is started to release the cannon cable; a storage structure is arranged at the gradually moving part of the seismic source, and the hanging chain is separated from the seismic source, so that the seismic source gradually enters water; and after the seismic source completely enters the water, separating the stranded wire of the first reeling and unreeling winch from the seismic source, and putting down the seismic source.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.