CN110902485A

CN110902485A - Single-rail type offshore floating and collecting system

Info

Publication number: CN110902485A
Application number: CN201911202507.4A
Authority: CN
Inventors: 胡丽丹
Original assignee: Tianjin Development Zone Xing Heng Petroleum Machinery Parts Co Ltd
Current assignee: Tianjin Development Zone Xing Heng Petroleum Machinery Parts Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-03-24

Abstract

The invention relates to the technical field of collecting and floating equipment, and discloses a single-rail marine collecting and floating system which comprises a collecting mechanism for collecting cables, wherein a plurality of groups of cable guide supports are arranged in front of the collecting mechanism, each cable guide support comprises a support and a pulley block arranged on the support, the supports are fixed on a seismic source ship, and the cables to be collected are wound on the collecting mechanism through the cable guide supports; the cable retracting and floating system is provided with a cable guide support for retracting and floating cables, and the cables are prevented from being wound on a workpiece, a mounting rack and the like on a survey ship bed body to be damaged.

Description

Single-rail type offshore floating and collecting system

Technical Field

The invention relates to the technical field of floating and collecting equipment, in particular to a single-rail type offshore floating and collecting system.

Background

When exploration is carried out on the water surface, such as seismic exploration in domestic and foreign water areas, engineering geological survey and deep sea crustal structure research and exploration, a large-volume air gun seismic source is used. The air gun seismic source excites seismic waves, and a plurality of acquisition towropes provided with detection douches and dragged behind the investigation ship receive stratum reflected waves. By installing and fixing the air gun seismic source equipment on the ship, the air gun seismic source equipment is inconvenient to disassemble and transport.

When other water areas need to be explored, one method is to hoist the whole seismic source ship to the area to be explored through sea transportation, and the other method is to directly drive the seismic source ship to the area to be explored, so that time and labor are consumed. Meanwhile, the air gun seismic source is matched with a plurality of groups of cables, and the cables are easy to be wound with workpieces, mounting frames and the like on the exploration ship bed body when being folded, so that the damage is caused.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a single-rail offshore floating and withdrawing system which is provided with a guide cable support for withdrawing and floating cables, so that the cables are prevented from being wound with workpieces, mounting frames and the like on a survey ship bed body and damaged.

In order to achieve the above purpose, the invention provides the following technical scheme:

the monorail offshore floating collecting system comprises a collecting mechanism for collecting cables, wherein a plurality of groups of cable guide supports are arranged in front of the collecting mechanism and comprise supports and pulley blocks arranged on the supports, the supports are fixed on a seismic source ship, and the cables to be collected are wound on the collecting mechanism through the cable guide supports.

In the present invention, preferably, the plurality of sets of the fairlead supports are arranged in a line shape, or are arranged in two opposite groups, or are arranged in a multi-row manner.

In the invention, preferably, the cable collecting mechanism comprises a frame body, a winding roller arranged in the frame body and a driving mechanism for driving the winding roller to rotate, one side of the winding roller is connected with the output end of the driving mechanism, one end of a cable to be wound is fixed on the winding roller, and the cable is wound on the winding roller under the action of the driving mechanism.

In the invention, preferably, two groups of winding rollers are arranged in the frame body, and the height of the winding roller at the front end is lower than that of the winding roller at the rear end.

In the invention, preferably, the frame body is of a steel frame structure, and an iron sheet baffle is fixed on the outer wall of the frame body.

In the invention, preferably, a corner piece is arranged at the top point of the frame body, and a through hole is arranged on the corner piece and penetrates through two adjacent side surfaces of the corner piece.

In the invention, preferably, the cable winding device further comprises a cable arranging mechanism for arranging the cables to be wound on the winding roller in sequence.

In the invention, preferably, the cable arrangement mechanism comprises an installation frame fixed with the frame body, a cable arrangement assembly, a screw rod and a driving motor for driving the cable arrangement assembly to move, an output shaft of the driving motor is fixedly provided with a driving gear, the driving gear is connected with the driven gear through a chain, one end of the screw rod is fixedly connected with the driven gear, the other end of the screw rod is rotatably connected with the installation frame, and the cable arrangement assembly is in threaded connection with the screw rod.

In the invention, preferably, the cable arrangement assembly comprises a moving block in threaded connection with the lead screw and a cable arrangement frame for cable arrangement, the cable arrangement frame is fixed at the lower end of the moving block, and two ends of the cable arrangement frame are communicated; and the mounting frame is also fixedly provided with a guide rod, and the moving block is arranged on the guide rod in a sliding manner.

In the invention, preferably, the bracket is mounted on a base, and the base is fixed on the seismic source ship through bolts; a plurality of support rods are further arranged between the support and the base.

Compared with the prior art, the invention has the beneficial effects that:

the collecting and floating system is provided with the cable guide supports for collecting and floating cables, multiple groups of cable guide supports can be arranged according to actual requirements, the multiple groups of cable guide supports are arranged according to the size of a seismic source ship and the residual space on the ship, various arrangement modes are adopted, the flexibility is high, and the cables can be effectively prevented from being wound with workpieces, mounting frames and the like on the bed body of the exploration ship to be damaged.

Meanwhile, the cable collecting mechanism and the cable guide support do not need complex connecting equipment, and the whole device is simple and convenient to install and high in practicability.

Drawings

Fig. 1 is a schematic structural view of a single-rail offshore harvesting and floating system in the present embodiment.

Fig. 2 is a schematic structural diagram of a fairlead support in the single-rail offshore floating and collecting system in the embodiment.

Fig. 3 is a side view of the fairlead support in the single-track offshore buoyant system of this embodiment.

Fig. 4 is a schematic structural diagram of a cable collecting mechanism in the single-rail offshore floating collecting system in the embodiment in a state without an iron sheet baffle.

Fig. 5 is a front view of the cable collecting mechanism in the single-rail offshore floating system in the embodiment in the state without the iron sheet baffle.

Fig. 6 is a schematic structural diagram of a cable collecting mechanism in the single-rail offshore floating collecting system in the embodiment in a state of an iron sheet baffle.

Fig. 7 is a schematic structural view of a wind-up roll in the single-rail offshore floating and collecting system in the embodiment.

Fig. 8 is a schematic structural diagram of a cable arrangement mechanism in the single-rail offshore floating and stowing system in the embodiment.

Fig. 9 is a top view of the cable arrangement mechanism in the single-rail offshore floating and stowing system according to the present embodiment.

In the drawings: 10-a cable collecting mechanism, 11-a frame body, 111-an iron sheet baffle, 112-a corner piece, 113-a through hole, 12-a winding roller and 13-a driving mechanism;

20-a cable guide support, 21-a support, 22-a pulley block, 23-a base and 24-a support rod;

30-cable arranging mechanism, 31-mounting rack, 32-cable arranging assembly, 321-moving block, 322-cable arranging frame, 33-screw rod, 34-driving motor, 341-driving gear, 342-driven gear and 35-guide rod.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1: referring to fig. 1 to 7, a preferred embodiment of the present invention provides a monorail offshore reeling system, including a reeling mechanism 10 for reeling cables, wherein a plurality of sets of cable guiding brackets 20 are disposed in front of the reeling mechanism 10, each cable guiding bracket 20 includes a bracket 21 and a pulley block 22 mounted on the bracket 21, at least one pulley is disposed on the pulley block 22, and when the number of the pulleys is greater than or equal to 3, the pulleys are arranged in an arc shape; the bracket 21 is fixed on the seismic source boat, and the cable to be coiled is wound on the cable collecting mechanism 10 through the cable guide bracket 20.

In this embodiment, the bracket 21 is of an inverted L shape, the pulley block 22 is fixed at the end of the transverse rod of the inverted L-shaped bracket 21 by a pin, the vertical rod of the inverted L-shaped bracket 21 is fixedly installed on the base 23, the base 23 is fixed to the seismic source ship by bolts, and the fixing manner can be screw fixing or welding; a plurality of support rods 24 are further arranged between the support 21 and the base 23 and used for supporting the vertical rods of the inverted-L-shaped support 21 and improving the stability of the vertical rods of the inverted-L-shaped support 21.

Further, a guide rod 35 is fixed on the mounting frame 31, and the moving block 321 is slidably disposed on the guide rod 35; the guide bar 35 is provided to control the moving direction of the wire arranging assembly 32 so that the wire arranging assembly 32 is not reversed left and right by the screw 33.

In the present embodiment, three sets of the fairlead brackets 20 are provided, and the three sets of the fairlead brackets 20 are arranged in a line; in other embodiments, one or two sets of the fairlead brackets 20 or three or more sets of the fairlead brackets 20 may be provided according to actual needs, and the three or more sets of the fairlead brackets 20 may be arranged according to the size of the seismic source ship and the remaining space on the ship, and the arrangement may be arranged in a line arrangement, two sets of opposite arrangements or multiple rows of arrangement.

In this embodiment, the cable retracting mechanism 10 includes a frame 11, a winding roller 12 disposed inside the frame 11, and a driving mechanism 13 for driving the winding roller 12 to rotate, one side of the winding roller 12 is connected to an output end of the driving mechanism 13, the driving mechanism 13 is a hydraulic motor, a hydraulic station and an electric control cabinet are further disposed in the frame 11, the hydraulic station provides power for the hydraulic motor to drive the winding roller 12 to rotate, and one end of a cable to be wound is fixed on the winding roller 12, so that the cable is wound under the action of the driving mechanism 13.

Meanwhile, electrical equipment such as lighting lamps and alarms are further arranged in the frame body 11 and are electrically connected with the electric control cabinet, and the electric control cabinet controls the electrical equipment through a PLC (programmable logic controller) or a single chip microcomputer in the electric control cabinet, so that the operation of workers is facilitated.

In this embodiment, be provided with two sets of in the support body 11 wind-up roll 12, the height that is located front end wind-up roll 12 is less than the height that is located the wind-up roll 12 of rear end, and two different cables are collected respectively to two sets of wind-up rolls 12 in the front and back, and two sets of wind-up rolls 12 low high setting in the front and back prevents that wind-up roll 12 in the front from blockking the rolling work of wind-up roll 12 in the back.

In this embodiment, the frame body 11 is a steel frame structure, an iron sheet baffle 111 is fixed on the outer wall of the frame body, and the iron sheet baffle 111 encloses the frame body 11 to form a closed structure similar to a container, so that the transportation is convenient; meanwhile, in this embodiment, a corner piece 112 is disposed at the vertex of the frame body 11, and a through hole 113 is disposed on the corner piece 112, and the through hole 113 penetrates through two adjacent sides of the corner piece 112. When the cable collecting mechanism 10 needs to be integrally transported, the cable collecting mechanism 10 can be conveniently and integrally transported under the action of the crane by penetrating the rope through the through hole 113 to be conveniently fixed with the crane, and the operation is more convenient.

Example 2: referring to fig. 1 to 9, a preferred embodiment of the present invention provides a monorail-type offshore harvesting and floating system, which is different from embodiment 1 only in that: the winding and floating system further comprises a cable arranging mechanism 30 for sequentially arranging the cables to be wound on the winding roller 12.

Specifically, arrange cable mechanism 30 include with the fixed mounting bracket 31 of support body 11, arrange cable subassembly 32, lead screw 33 and be used for the drive arrange driving motor 34 that cable subassembly 32 removed, driving motor 34's output shaft fixed mounting has driving gear 341, driving gear 341 passes through the chain and connects driven gear 342, lead screw 33 one end with driven gear 342 fixed connection, the other end with mounting bracket 31 rotates and is connected, arrange cable subassembly 32 with lead screw 33 threaded connection. The driving motor 34 works to drive the driving gear 341 to rotate, and the driven gear 342 rotates along with the driving gear 341 under the driving of the chain, so as to drive the screw rod 33 to rotate, finally drive the cable arranging assembly 32 to move back and forth on the screw rod 33, realize the control of the cable position, sequentially arrange the cables on the winding roller 12, and avoid the cables being wound on a certain position of the winding roller 12 in a concentrated manner.

Further, the cable arrangement assembly 32 includes a moving block 321 in threaded connection with the lead screw 33 and a cable arrangement frame 322 for cable arrangement, the cable arrangement frame 322 is a rectangular frame, the cable arrangement frame 322 is fixed at the lower end of the moving block 321, two ends of the cable arrangement frame are through, and a cable penetrates through the rectangular frame;

the working principle is as follows: (taking example 2 as an example)

1. Installation work: the frame body 11 of the cable retracting mechanism 10 is fixedly arranged on a seismic source ship, three groups of cable guide brackets 20 are arranged according to actual needs, and the three groups of cable guide brackets 20 are arranged in a straight line shape and are fixedly arranged on the seismic source ship; one end of a cable to be wound is fixed on the winding roller 12, and the cable penetrates through the pulley block 22;

2. detecting whether electric equipment such as a hydraulic motor, a driving motor 34 and the like is in a normal working state, and if the electric equipment has a fault, maintaining the electric equipment in time;

3. in an initial state, the cable is wound on the winding roller 12, when the detection device is launched, the hydraulic motor rotates forwards to enable the cable to be separated from the winding roller 12, the driving motor 34 also works immediately along with the fact that the detection device goes deep into the water surface to drive the driving gear 341 to rotate, the driven gear 342 rotates along with the driving gear 341 under the driving of the chain, the screw rod 33 is driven to rotate, the cable arrangement assembly 32 is finally driven to move back and forth on the screw rod 33, the position of the cable arrangement assembly 32 corresponds to the position of the cable wound on the winding roller 12, and cable arrangement operation is facilitated;

4. when cable winding is carried out, the hydraulic motor rotates reversely, so that the cables rotate along with the winding roller 12, cable winding is realized, the motor 34 is driven to work, the driving gear 341 is driven to rotate, the driven gear 342 rotates along with the driving gear 341 under the driving of the chain, the lead screw 33 is driven to rotate, and finally the cable arrangement assembly 32 is driven to move back and forth on the lead screw 33, the control on the cable position is realized, the cables are sequentially arranged on the winding roller 12, and the cables are prevented from being wound on a certain position of the winding roller 12 in a concentrated mode;

this receipts system of floating is equipped with the chock that is used for receiving the cable of floating, and the chock can set up the multiunit according to actual need, and the multiunit chock is arranged according to the size of seismic source ship and surplus space on the ship, and multiple mode of arranging, the flexibility ratio is high, can effectively avoid cable and the winding of work piece, mounting bracket etc. on the reconnaissance ship bed body and damage.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.

Claims

1. The single-rail offshore floating collecting system comprises a cable collecting mechanism (10) for collecting cables, and is characterized in that a plurality of groups of cable guide brackets (20) are arranged in front of the cable collecting mechanism (10),

the cable guide support (20) comprises a support (21) and a pulley block (22) arranged on the support (21), the support (21) is fixed on a seismic source ship, and a cable to be coiled is wound on the cable collecting mechanism (10) through the cable guide support (20).

2. Monorail offshore harvesting system according to claim 1, characterized in that the sets of fairlead supports (20) are arranged in a "straight" configuration or in two opposite configurations or in multiple configurations.

3. The monorail offshore reeling system of claim 1 or 2, wherein the reeling mechanism (10) comprises a frame body (11), a reeling roller (12) arranged inside the frame body (11) and a driving mechanism (13) for driving the reeling roller (12) to rotate, one side of the reeling roller (12) is connected with an output end of the driving mechanism (13), one end of a cable to be reeled is fixed on the reeling roller (12), and the cable is reeled on the reeling roller (12) under the action of the driving mechanism (13).

4. Monorail offshore harvesting and floating system according to claim 3, characterized in that two sets of said take-up rolls (12) are provided inside said frame (11), the height of the take-up roll (12) at the front end being lower than the height of the take-up roll (12) at the rear end.

5. A monorail offshore harvesting system as claimed in claim 3, wherein said frame (11) is of steel frame construction, and a sheet iron baffle (111) is fixed to the outer wall thereof.

6. Monorail offshore harvesting and floating system according to claim 5, characterized in that an angle (112) is provided at the apex of the frame (11), and a through hole (113) is provided in the angle (112), and the through hole (113) penetrates through two adjacent sides of the angle (112).

7. Monorail offshore reeling system according to claim 1 or 2, further comprising a cable arranging mechanism (30) for arranging the cables to be reeled in sequence onto the reeling drum (12).

8. The monorail offshore reeling system of claim 7, wherein the cable arranging mechanism (30) comprises a mounting frame (31) fixed to the frame body (11), a cable arranging assembly (32), a screw rod (33) and a driving motor (34) for driving the cable arranging assembly (32) to move, a driving gear (341) is fixedly mounted on an output shaft of the driving motor (34), the driving gear (341) is connected with the driven gear (342) through a chain, one end of the screw rod (33) is fixedly connected with the driven gear (342), the other end of the screw rod is rotatably connected with the mounting frame (31), and the cable arranging assembly (32) is in threaded connection with the screw rod (33).

9. The monorail offshore reeling system of claim 8, wherein the cable arranging assembly (32) comprises a moving block (321) in threaded connection with the lead screw (33) and a cable arranging frame (322) for cable arranging, the cable arranging frame (322) is fixed at the lower end of the moving block (321), and two ends of the cable arranging frame are through; a guide rod (35) is further fixed on the mounting frame (31), and the moving block (321) is arranged on the guide rod (35) in a sliding mode.

10. Monorail offshore harvesting system according to claim 1, characterized in that the bracket (21) is mounted on a base (23), the base (23) being bolted to the source vessel; a plurality of support rods (24) are further arranged between the support (21) and the base (23).