CN104536036A - Air gun array extension and retraction system and method - Google Patents
Air gun array extension and retraction system and method Download PDFInfo
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- CN104536036A CN104536036A CN201510050797.0A CN201510050797A CN104536036A CN 104536036 A CN104536036 A CN 104536036A CN 201510050797 A CN201510050797 A CN 201510050797A CN 104536036 A CN104536036 A CN 104536036A
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Abstract
The invention discloses an air gun array extension and retraction system and method. The air gun array extension and retraction system comprises a telescopic beam crane, a dumping device, a seismic cable winch and a hydraulic station, wherein the telescopic beam crane is used for extending and retracting an air gun array by extending or retracting a container; the dumping device is used for storing the air gun array; the seismic cable winch is used for extending and retracting a seismic cable of the air gun array; the hydraulic station is used for providing a hydraulic source to the telescopic beam crane and the seismic cable winch. By adopting the scheme, the invention provides an extension and retraction system which is compact in structure, reasonable in arrangement and sufficiently utilizes the space of a ship body, for a double-air gun seismic source array.
Description
Technical field
The present invention relates to offshore shooting technical field, particularly relate to a kind of air-gun array extension and retraction system and method.
Background technology
Offshore shooting, normally by artificial excitation's seismic event, receives stratum reflection wave by towing several collection towing cables that wave detector is housed after investigation vessel.Investigation vessel is used for engineering investigation and middle-shallow layer Seismic exploration and development.Conventional investigation vessel is equipped with Seismic Source System (air cannon and array), system for acquiring seismic data, towing cable control system, navigational system etc. usually.Air-gun array draw off gear is the equipment of folding and unfolding Seismic Source System, is the important component part of investigation vessel.
The pneumatic gun seismic source array draw off gear of current investigation vessel has two kinds: one is flexible floater rifle battle array draw off gear, and another kind is rigid floater rifle battle array draw off gear.
The ground way mode that flexible floater rifle battle array draw off gear adopts.Ship Structure on flexible floater rifle battle array draw off gear is provided with ground way, ground way is provided with a lot of roller, below roller, have chain link to be connected with soft formula floating drum.When carrying out the folding and unfolding of rifle battle array, flexible floater and rifle battle array slip into water neutralization from the inclined slip of stern and reclaim from water.In order to reduce release and removal process in inclined slip to the damage at the positions such as rifle array 1 system cable, tracheae, the inclined slip design of flexible buoyancy aid rifle battle array draw off gear afterbody must be reasonable, generally can take the stern construction form of single chute type and two chute type.When adopting flexible floater, the height of usual slideway is 3m.
Rigid floater rifle battle array draw off gear needs special telehoist to complete air-gun array folding and unfolding.Ship Structure on rigid floater rifle battle array draw off gear is installed scalable go out the main extensible canopy crane of stern for rigid floating drum rifle battle array to be stretched out outside ship deck and cloth is put in the sea; Also being provided with in the both sides of extensible canopy crane can the auxiliary extensible canopy crane of transverse movement, and effect is the hard floating drum rifle battle array that dump is regained.When carrying out the folding and unfolding of rifle battle array, major-minor extensible canopy crane is used to realize the folding and unfolding of rigid floater and air-gun array, store operation.Adopt rigid floater rifle battle array draw off gear effectively can to reduce when air gun folding and unfolding slideway to air gun pigtail line cable, the damage of tracheae and colliding with of air gun.But the disposable fund input needed is large, strict to the requirement of utility appliance and ship deck height.
Above two kinds of rifle battle array folding and unfolding modes all need to be arranged on hull when investigation vessel design-build according to designing requirement, and construction period is long; For the boats and ships that in a year, when certain section, intercropping subsea strata investigates test, all the other times do other scientific experiments such as scientific surveying ship, what conventional rifle battle array folding and unfolding mode can permanent occupies hull space, and other scientific investigations affecting research ship are tested.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of air-gun array extension and retraction system and method, the extension and retraction system of a kind of compact conformation, rationally distributed, two pneumatic gun seismic source arrays of making full use of hull space can be provided.
In order to achieve the above object, the present invention proposes a kind of air-gun array extension and retraction system, this system comprises: extensible canopy crane, dump apparatus, big gun cable winch and Hydraulic Station.
Extensible canopy crane, for by stretching out or indentation container, folding and unfolding air-gun array.
Dump apparatus, for storing air-gun array.
Big gun cable winch, for the big gun cable of folding and unfolding air-gun array.
Hydraulic Station, for providing hydraulic power source for extensible canopy crane and big gun cable winch.
Preferably,
The top of extensible canopy crane is pinion and-rack structure; Extensible canopy crane is equipped with two puffers, two installation sites of puffer on extensible canopy crane can adjust; The steel cord ends of two puffers has quick button, and button can be connected fast with the wire rope on floating drum fast, connects air-gun array below floating drum.
Preferably, dump apparatus is divided into the two groups: first dump apparatus group and the second dump apparatus group.
Often group comprises two dump apparatus, and four dump apparatus are identical.
Wherein, four dump apparatus are all arranged on the both sides of the extensible canopy crane on the top cover of container.
Dump apparatus upper end has two rotary supports, and rotary support can rotate in predetermined angular range around rotation center, and two rotary supports are synchronous by connecting rod.
Dump apparatus also has lock pin, rotates to locking after desired location for making dump apparatus.
The lower end of dump apparatus also has the suspension hook be connected with floating drum.
Preferably, big gun cable winch is duplex big gun cable winch, and big gun cable winch comprises two capstan winches laying respectively at both sides, two capstan winch intermediate arrangement oil motors, speed reduction units.
Big gun cable winch has high, the middle short structure in both sides, and the body of extensible canopy crane is arranged on the top of the intermediate structure of big gun cable winch.
Big gun cable winch is wound with armouring big gun cable, the other end of big gun cable is connected on floating drum and air-gun array, big gun cable has can with link the buckle connect fast.
Preferably, Hydraulic Station is redundance type bi-motor pump group Hydraulic Station.
Preferably, air-gun array extension and retraction system is fixed on ship deck by the mounting hole site of container base.
Preferably, this system also comprises container, and container provides mounting platform for all building blocks.
Extensible canopy crane and dump apparatus are arranged on the upper space of one end of container; Big gun cable winch is arranged on the central space of container interlude; Hydraulic Station is arranged on the lower space of the other end of container.
The present invention also proposes a kind of air-gun array folding and unfolding method based on air-gun array extension and retraction system, and the method comprises:
Unclamp the lock pin of the dump apparatus be connected with air-gun array, promote dump apparatus, the floating drum of connection on it and air-gun array are moved to immediately below extensible canopy crane.
Puffer on operation extensible canopy crane, is connected the quick button of the steel cord ends on puffer with the wire rope on floating drum.
Operation puffer, unclamps the suspension hook that dump apparatus is connected with floating drum.
Operation extensible canopy crane makes its telescopic arm stretch out outside container, and after arriving required position, operation puffer makes it slowly put down wire rope on puffer, floating drum and air-gun array is put in the seawater outside quarter ship side.
Under the effect that ship moves forward, floating drum and air-gun array float after ship across the sea go time, continue release puffer wire rope, regain telescopic arm simultaneously, when telescopic arm receives in container, button fast to be unclamped to the wire rope on floating drum and is anchored on the corresponding buckle of big gun cable.
Operation big gun cable winch completes laying of air-gun array.
Preferably, operate extensible canopy crane its telescopic arm to be stretched out outside container refer to: the telescopic arm of extensible canopy crane to be stretched out by the gear & rack structure at extensible canopy crane top or regains outside container by oil motor.
When reclaiming air-gun array, telescopic arm is recovered in container by gear & rack structure by oil motor.
Preferably, the method also comprises: the recovery of air-gun array is completely contrary with the process that lays of air-gun array.
Compared with prior art, air-gun array extension and retraction system of the present invention comprises: extensible canopy crane, dump apparatus, big gun cable winch and Hydraulic Station; Extensible canopy crane, for by stretching out or indentation container, folding and unfolding air-gun array; Dump apparatus, for storing air-gun array; Big gun cable winch, for the big gun cable of folding and unfolding air-gun array; Hydraulic Station, for providing hydraulic power source for extensible canopy crane and big gun cable winch.By the solution of the present invention, the extension and retraction system of a kind of compact conformation, rationally distributed, two pneumatic gun seismic source arrays of making full use of hull space can be provided.
Accompanying drawing explanation
Be described the accompanying drawing in the embodiment of the present invention below, the accompanying drawing in embodiment is for a further understanding of the present invention, is used from explanation the present invention, does not form limiting the scope of the invention with instructions one.
Fig. 1 is air-gun array extension and retraction system front view of the present invention;
Fig. 2 is air-gun array extension and retraction system right view of the present invention;
Fig. 3 is air-gun array extension and retraction system vertical view of the present invention;
Fig. 4 is pinion and-rack structure on extensible canopy crane of the present invention and oil motor installation site vertical view;
Fig. 5 is two puffer installation site front views on extensible canopy crane of the present invention;
Fig. 6 is the first dump apparatus group of the present invention and the second dump apparatus group installation site vertical view;
Fig. 7 is the installation site front view of rotary support, connecting rod and suspension hook on dump apparatus of the present invention;
Fig. 8 is big gun cable winch schematic diagram of the present invention;
Fig. 9 is air-gun array folding and unfolding method flow diagram of the present invention;
Figure 10 is that air-gun array of the present invention lays process front view.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described, can not be used for limiting the scope of the invention.
The object of this invention is to provide a kind of container-type air-gun array draw off gear for scientific investigation ship or investigation vessel; This device adopts container form, is convenient to transport; Can Fast Installation on target ship; Compact conformation, makes full use of space, rationally distributed; Reliable operation, applicable ocean operation environment, easy to use; Two pneumatic gun seismic source array folding and unfolding can be provided.This device is applicable to multibeam calibration and middle-shallow layer Seismic exploration and development.
Particularly, the present invention proposes a kind of air-gun array extension and retraction system, as shown in Figure 1, 2, 3, be respectively the front view of this air-gun array extension and retraction system, right view, vertical view.This system comprises: extensible canopy crane 02, dump apparatus 03, big gun cable winch 04 and Hydraulic Station 05.
Extensible canopy crane 02, for by stretching out or indentation container, folding and unfolding air-gun array.
Preferably, as shown in Figure 4, the top of extensible canopy crane 02 is pinion and-rack structure 021; Extensible canopy crane 02 drives this pinion and-rack structure 021 by the oil motor 022 be installed on container, thus the telescopic arm 025 of extensible canopy crane 02 is stretched out forward or backward indent container, as shown in Figure 10.Extensible canopy crane 02 is equipped with two puffers 023, as shown in Fig. 5, Figure 10, two installation sites of puffer 023 on extensible canopy crane 02 can adjust; The steel cord ends of two puffers 023 has button 024 fast, and as shown in Figure 10, button 024 can be connected fast with the wire rope on floating drum 08 fast, connects air-gun array 06 below floating drum 08.
Dump apparatus 03, for storing air-gun array 06, this air-gun array is rigid floating drum air-gun array.
Preferably, as shown in Figure 6, dump apparatus 03 is divided into the two groups: first dump apparatus group 031 and the second dump apparatus group 032.
Often group comprises two dump apparatus, and four dump apparatus are identical.
Wherein, four dump apparatus are all arranged on the both sides of the extensible canopy crane 02 on the top cover of container 01.
Dump apparatus 03 upper end has two rotary supports 033, and rotary support 033 can rotate in predetermined angular range around rotation center, and two rotary supports 033 are synchronous by connecting rod 034, as shown in Figure 7.
Dump apparatus 03 also has lock pin, rotates to locking after desired location for making dump apparatus.
The lower end of dump apparatus 03 also has the suspension hook 035 be connected with floating drum 08, as shown in Fig. 7, Figure 10.
Big gun cable winch 04, for the big gun cable of folding and unfolding air-gun array 06, as shown in Figure 8.
Preferably, big gun cable winch 04 is duplex big gun cable winch, and big gun cable winch 04 comprises two capstan winches 041, two capstan winch intermediate arrangement oil motors and speed reduction units of laying respectively at both sides.
Big gun cable winch 04 has high, the middle short structure in both sides, and the body of extensible canopy crane 02 is arranged on the top of the intermediate structure of big gun cable winch 04.
Big gun cable winch 04 is wound with armouring big gun cable, the other end of big gun cable is connected to floating drum 08 with on air-gun array 06, big gun cable has can with buckle 024 buckle be connected fast.
Hydraulic Station 05, for providing hydraulic power source for extensible canopy crane 03 and big gun cable winch 04.
Preferably, Hydraulic Station 05 is redundance type bi-motor pump group Hydraulic Station, and one in use, one for subsequent use, can ensure that operation is carried out and uninterrupted smoothly.
Preferably, air-gun array extension and retraction system is fixed on ship deck by the mounting hole site of container base.
Preferably, this system also comprises container 01, and container 01 provides mounting platform for all building blocks, for install fixing, support miscellaneous part, as shown in Figure 1, 2, 3.
Container 01 is 40 chi high strength frame formula containers customized, and its top has top cover, and surrounding is framework; Container 01 has and climbs ladder 07, as shown in Figure 1, this design have followed ergonomics, is needed for container machinery structural strengthening, and can be again maintenance container top equipment provides and climb terraced 07.
Container 01 is the mounting platform of all building blocks in this device, and extensible canopy crane 02 and dump apparatus 03 are arranged on the upper space of one end of container 01; Big gun cable winch 04 is arranged on the central space of container 01 interlude; Hydraulic Station 05 is arranged on the lower space of the other end of container 01.
The present invention also proposes a kind of air-gun array folding and unfolding method based on air-gun array extension and retraction system, and as shown in Figure 9, the method comprises:
S101, unclamp the lock pin of the dump apparatus be connected with air-gun array, promote dump apparatus, the floating drum of connection on it and air-gun array are moved to immediately below extensible canopy crane.
Puffer on S102, operation extensible canopy crane, is connected the quick button of the steel cord ends on puffer with the wire rope on floating drum.
S103, operation puffer, unclamp the suspension hook that dump apparatus is connected with floating drum.
S104, operation extensible canopy crane make its telescopic arm stretch out outside container, and after arriving required position, operation puffer makes it slowly put down wire rope on puffer, floating drum and air-gun array is put in the seawater outside quarter ship side.
Preferably, operate extensible canopy crane its telescopic arm to be stretched out outside container refer to: the telescopic arm of extensible canopy crane to be stretched out by the gear & rack structure at extensible canopy crane top or regains outside container by oil motor.
When reclaiming air-gun array, telescopic arm is recovered in container by gear & rack structure by oil motor.
Under S105, the effect that moves forward at ship, floating drum and air-gun array float after ship across the sea go time, continue release puffer wire rope, regain telescopic arm simultaneously, when telescopic arm receives in container, button fast to be unclamped to the wire rope on floating drum and is anchored on the corresponding buckle of big gun cable.
S106, operation big gun cable winch complete laying of air-gun array.
Preferably, the method also comprises: the recovery of air-gun array is completely contrary with the process that lays of air-gun array.
Below by concrete embodiment, the present invention is described further.
Here illustrate to lay air-gun array; When reclaiming array, by reverse procedure operation, can complete and towing air-gun array is recovered on ship deck.
As shown in Figure 10, apparatus of the present invention are fixed on ship deck by the mounting hole site bottom container 01, container framework is the installation frame of apparatus of the present invention, and the telescopic arm of extensible canopy crane to be stretched out by the gear & rack structure at extensible canopy crane top or regains container by oil motor.The steel cord ends being provided with two puffers, 023, two puffers in the inside of extensible canopy crane 02 has button 024 fast, and button 024 can be connected fast with the wire rope on floating drum 08 fast.Floating drum 08 is air-gun array 06 below.
The air-gun array 06 in Figure 10 is supposed to lay, lay air-gun array process specific as follows: the lock pin unclamping the dump apparatus 03 be connected with air-gun array 06, promote dump apparatus, the floating drum 08 of connection on it and air-gun array 06 is made to move to immediately below extensible canopy crane 2, puffer on operation extensible canopy crane 2, the quick button 024 of steel cord ends on puffer is connected with the wire rope on floating drum, operation puffer 023, unclamp the suspension hook 035 that dump apparatus 03 is connected with floating drum 08, operation extensible canopy crane 2 makes its telescopic arm 025 stretch out outside container, after arriving required position, operation puffer 023 makes it slowly put down wire rope, floating drum 08 and air-gun array 06 are put in the seawater outside quarter ship side, under the effect that ship moves forward, floating drum 08 and air-gun array 06 float across the sea and go after ship, at this time continue to put the wire rope of puffer 023 while regain telescopic arm 025, when telescopic arm 025 receives in container 01, wire rope on puffer 023 is buckled fast 024 unclamp and be anchored on the corresponding buckle of big gun cable.Big gun cable winch 04 is wound with armouring big gun cable, the big gun cable other end is connected to floating drum 08 with on air-gun array 06, at this time operates big gun cable winch 04 and just can complete laying of an air-gun array 06.Laying of another air-gun array 06 is also similar procedure.
Compared with prior art, the present invention can provide the extension and retraction system of a kind of compact conformation, rationally distributed, two pneumatic gun seismic source arrays of making full use of hull space.And the present invention has following technical characterstic:
1, container-like structure is adopted, easy to use, installation and transportation;
2, this draw off gear is a small-sized Seismic Source System, is integrated with air-gun array retractable equipment, big gun cable winch, hydraulic system, and whole device only needs supply electric power not need other any equipment, just can the folding and unfolding of the two air-gun array of complete independently and storage;
3, this device adopts pinion and-rack extensible canopy crane, the structures such as two dump system, duplex big gun cable winch, can meet the folding and unfolding of two rigid floating drum air-gun array;
4, highly standardized, a large amount of unified structure and use part, safeguards when reducing difficulty of processing and use later and the complicacy of spare part;
5, a large amount of ergonomic design, the accessibility of operation, maintenance is good.
It should be noted that; above-described embodiment is only understand for the ease of those skilled in the art; be not limited to protection scope of the present invention; under the prerequisite not departing from inventive concept of the present invention, any apparent replacement and improvement etc. that those skilled in the art make the present invention are all within protection scope of the present invention.
Claims (10)
1. an air-gun array extension and retraction system, is characterized in that, described system comprises: extensible canopy crane, dump apparatus, big gun cable winch and Hydraulic Station;
Described extensible canopy crane, for by stretching out or indentation container, air-gun array described in folding and unfolding;
Described dump apparatus, for storing described air-gun array;
Described big gun cable winch, for the big gun cable of air-gun array described in folding and unfolding;
Described Hydraulic Station, for providing hydraulic power source for described extensible canopy crane and described big gun cable winch.
2. the system as claimed in claim 1, is characterized in that,
The top of described extensible canopy crane is pinion and-rack structure; Described extensible canopy crane is equipped with two puffers, the described installation site of two puffers on described extensible canopy crane can adjust; The steel cord ends of described two puffers has quick button, and described quick button can be connected fast with the wire rope on floating drum, connects described air-gun array below described floating drum.
3. the system as claimed in claim 1, is characterized in that, described dump apparatus is divided into the two groups: first dump apparatus group and the second dump apparatus group;
Often group comprises two described dump apparatus, and four described dump apparatus are identical;
Wherein, four described dump apparatus are all arranged on the both sides of the described extensible canopy crane on the top cover of described container;
Described dump apparatus upper end has two rotary supports, and described rotary support can rotate in predetermined angular range around rotation center, and two described rotary supports are synchronous by connecting rod;
Described dump apparatus also has lock pin, rotates to locking after desired location for making described dump apparatus;
The lower end of described dump apparatus also has the suspension hook be connected with floating drum.
4. system as claimed in claim 1 or 2, it is characterized in that, described big gun cable winch is duplex big gun cable winch, and described big gun cable winch comprises two capstan winches laying respectively at both sides, described two capstan winch intermediate arrangement oil motors, speed reduction units;
Described big gun cable winch has high, the middle short structure in both sides, and the body of described extensible canopy crane is arranged on the top of the intermediate structure of described big gun cable winch;
Described big gun cable winch is wound with armouring big gun cable, and the other end of described big gun cable is connected on described floating drum and described air-gun array, described big gun cable has and can link with described the buckle connect fast.
5. the system as claimed in claim 1, is characterized in that, described Hydraulic Station is redundance type bi-motor pump group Hydraulic Station.
6. the system as claimed in claim 1, is characterized in that, described air-gun array extension and retraction system is fixed on ship deck by the mounting hole site of container base.
7. the system as described in claim 1-6 any one, is characterized in that, described system also comprises container, and described container provides mounting platform for all building blocks;
Described extensible canopy crane and described dump apparatus are arranged on the upper space of one end of described container; Described big gun cable winch is arranged on the central space of described container interlude; Described Hydraulic Station is arranged on the lower space of the other end of described container.
8., based on an air-gun array folding and unfolding method for claim 1-7 any one, it is characterized in that, described method comprises:
Unclamp the described lock pin of the described dump apparatus be connected with described air-gun array, promote described dump apparatus, make the described floating drum of connection on it and described air-gun array move to immediately below described extensible canopy crane;
Operate the described puffer on described extensible canopy crane, the described quick button of the described steel cord ends on described puffer is connected with the wire rope on described floating drum;
Operate described puffer, unclamp the suspension hook that described dump apparatus is connected with described floating drum;
Operating described extensible canopy crane makes its telescopic arm stretch out outside described container, after arriving required position, operating described puffer makes it slowly put down wire rope on described puffer, is put in the seawater outside quarter ship side by described floating drum and described air-gun array;
Under the effect that ship moves forward, described floating drum and described air-gun array float after ship across the sea go time, continue the wire rope of the described puffer of release, regain described telescopic arm simultaneously, when described telescopic arm receives in described container, described quick button is unclamped to the wire rope on described floating drum and is anchored on the corresponding buckle of described big gun cable;
Operate described big gun cable winch and complete laying of described air-gun array.
9. method as claimed in claim 8, it is characterized in that, described operation described extensible canopy crane makes its telescopic arm stretch out outside described container to refer to: the described telescopic arm of described extensible canopy crane is stretched out described by the described gear & rack structure at described extensible canopy crane top or regained outside container by oil motor;
When reclaiming described air-gun array, described telescopic arm is recovered in described container by described gear & rack structure by described oil motor.
10. method as claimed in claim 8, it is characterized in that, described method also comprises: the recovery of described air-gun array is completely contrary with the process that lays of described air-gun array.
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| CN106125128A (en) * | 2016-09-05 | 2016-11-16 | 厦门地震勘测研究中心 | Boat-carrying movable type air gun source hanging extension and retraction system |
| CN106828796A (en) * | 2017-01-10 | 2017-06-13 | 中国石油天然气集团公司 | Air gun source ship |
| CN108398715A (en) * | 2018-04-28 | 2018-08-14 | 天津开发区长城石油机械配件有限公司 | A kind of earthquake-capturing height pressure air gun big gun cable major part |
| CN111856582A (en) * | 2020-08-05 | 2020-10-30 | 中国石油天然气集团有限公司 | Air gun seismic source towing system and marine geological exploration ship |
| CN111856582B (en) * | 2020-08-05 | 2023-08-22 | 中国石油天然气集团有限公司 | Air gun seismic source towing system and marine geological exploration ship |
| CN112278167A (en) * | 2020-10-30 | 2021-01-29 | 中国舰船研究设计中心 | Integrated geophysical prospecting ship for multi-channel earthquake and geological sampling investigation operation |
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| CN104536036B (en) | 2017-12-19 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |