CN107153242A - A kind of optical fiber laying device - Google Patents

A kind of optical fiber laying device Download PDF

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Publication number
CN107153242A
CN107153242A CN201610119408.XA CN201610119408A CN107153242A CN 107153242 A CN107153242 A CN 107153242A CN 201610119408 A CN201610119408 A CN 201610119408A CN 107153242 A CN107153242 A CN 107153242A
Authority
CN
China
Prior art keywords
optical fiber
frame
laying device
fiber laying
door type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610119408.XA
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Chinese (zh)
Inventor
李继彬
陈伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd
Original Assignee
NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd filed Critical NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd
Priority to CN201610119408.XA priority Critical patent/CN107153242A/en
Publication of CN107153242A publication Critical patent/CN107153242A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/506Underwater installation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The present invention relates to a kind of optical fiber laying device; frame including connecting and supporting whole device; bottom of the frame both sides are provided with piston shoes; upper rack is provided with hydraulic crowbar block; hydraulic crowbar block top is provided with guide groove; frame axis front portion is provided with the preceding orienting roll for guiding; frame axis rear portion is provided with the rear orienting roll for guiding; frame aft is provided with door type frame underthrust device; optical fiber laying is after rear ditching completion; relatively low without fibercuts risk in influence, and work progress on extra large pipe normal laying, fiber optic protection is good;Optical fiber has mud groove and door type frame double constraints, fixation;Operated without water under diver, difficulty of construction is relatively low, and construction workload is small.

Description

A kind of optical fiber laying device
Technical field
The present invention relates to a kind of optical fiber laying device, it is used for the Underwater Optical Fiber laying apparatus of extra large pipe monitoring especially with regard to a kind of.
Background technology
Sea-bottom oil-gas pipeline is the defeated important component with accumulating of marine oil and gas collection, belong to the offshore oil facility that investment is big, risk is high, significant role, the whether normal safety in production and operation for being related to offshore oil and gas field of sea-bottom oil-gas pipeline are played in Marine oil and gas resource exploitation.Due to the particularity that marine oil and gas collection is defeated, sea-bottom oil-gas pipeline shows the different characteristics with land oil-gas pipeline during service:First, sea-bottom oil-gas pipeline is acted on by the complicated marine environment load such as wave and ocean current, in particular cases it is also contemplated that earthquake and the effect of tsunami;Secondly as the important function in the special geographical position of sea-bottom oil-gas pipeline and its oil exploitation at sea, once occurring pipe leakage, the economic loss caused and harm are all that terrestrial pipeline is incomparable.But, and particularity and complexity due to sea-bottom oil-gas pipeline on geographical position, the leakage of sea-bottom oil-gas pipeline are difficult to avoid completely.
The tremendous influence and serious consequence that sea-bottom oil-gas pipeline leakage is caused are mainly manifested in following two aspects:1st, cause oil gas field to stop production or the underproduction, bring huge economic loss;2nd, serious marine pollution and the huge wasting of resources are caused.Occurred marine pollution incident caused by a lot of leakages due to sea-bottom oil-gas pipeline both at home and abroad in the last few years.Therefore, the Safety production questions of sea-bottom oil-gas pipeline obtain the strong interest of various countries' ocean engineering circle.China's sea-bottom oil-gas pipeline lacks accurately and effectively safety monitoring means for a long time, is chronically at " monitoring vacuum " state.Because the Integrity Management of submarine pipeline is the important component of asset integrity management, the present situation of submarine pipeline " monitoring vacuum " how is filled up, it has also become technical task urgently to be resolved hurrily.
Current existing optical fiber laying method has fixes optical fiber by diver's diving using clip, and the method needs hydropexis under diver, and personnel's input is big, operates cumbersome;Also there is a laying method that water is removed with steel pipe one, but the method has fiber optic protection deficiency is easily scraped in ditcher, damage optical fiber.
The content of the invention
It is a primary object of the present invention to overcome the shortcoming that prior art is present, and a kind of optical fiber laying device is provided, optical fiber laying is that relatively low without fibercuts risk in influence, and work progress on extra large pipe normal laying, fiber optic protection is good after rear ditching completion;Optical fiber has mud groove and door type frame double constraints, fixation;Operated without water under diver, difficulty of construction is relatively low, and construction workload is small.
The purpose of the present invention is realized by following technical scheme:
A kind of optical fiber laying device, frame including connecting and supporting whole device, the bottom of the frame both sides are provided with piston shoes, the upper rack is provided with hydraulic crowbar block, the hydraulic crowbar block top is provided with guide groove, the frame axis front portion is provided with the preceding orienting roll for guiding, and the frame axis rear portion is provided with the rear orienting roll for guiding, and the frame aft is provided with door type frame underthrust device.
The rear orienting roll is to be provided with chock between vertical double rod structures, described pair of rod.
The chock front end is wedge shape.
The door type frame underthrust device, which includes in framework, the framework, arranges some door type frames.
Underthrust oil cylinder is provided with above the door type frame, the underthrust oil cylinder bottom is hinged with being inverted the lower arms of gate, the lower arms is inserted in the sleeve of the framework, the door type frame front end is provided with push plate, the piston hinge of the push plate and pipe bending cylinder, the pipe bending cylinder promotes door type frame by push plate.
Work progress of the optical fiber laying device when carrying out Underwater Optical Fiber laying is as follows:
(1)After ditching is completed afterwards, burying cable workboat in place, optical fiber, umbilical cables are penetrated into optical fiber laying device, reversely drawing optical fiber enters water, and reserve some meters of optical fiber in initiating terminal is used to dock with shore facilities;
(2)Steel pipe strap in the middle of optical fiber laying device, is made optical fiber laying device not depart from steel pipe in process of deployment by decentralization optical fiber laying device, preceding orienting roll and rear orienting roll;
(3)Workboat pulls optical fiber laying device and advanced, discharge appropriate optical fiber simultaneously, optical fiber reaches mud face through guide groove and chock, chock driving depth is adjusted by hydraulic crowbar block, chock can slot to mud face, and optical fiber is laid on steel pipe both sides along groove, at the same time, the door type frame underthrust device of optical fiber laying device afterbody inserts door type frame in mud, constrains the radial displacement of optical fiber;
(4)After all design route laying to end positions of design requirement, optical fiber laying device is reclaimed, the optical fiber that initiating terminal is reserved is docked with platform device, and fiber functions integrality is tested.
Beneficial effects of the present invention:The present invention is due to using above-mentioned technical proposal, and optical fiber laying is that relatively low without fibercuts risk in influence, and work progress on extra large pipe normal laying, fiber optic protection is good after rear ditching completion;Optical fiber has mud groove and door type frame double constraints, fixation;Operated without water under diver, difficulty of construction is relatively low, and construction workload is small.
The present invention will be further described with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is optical fiber laying device structural representation;
Fig. 2 is rack construction schematic diagram;
Fig. 3 is door type frame underthrust device structural representation;
Fig. 4 is guide groove structure schematic diagram;
Fig. 5 is chock structural representation;
Fig. 6 is optical fiber process of deployment schematic diagram;
Fig. 7 is door type frame down process schematic diagram.
Major Symbol explanation in figure:
1-guide groove;2-chock;3-door type frame underthrust device;4-frame;5-hydraulic crowbar block;6-piston shoes;7-rear orienting roll;8-preceding orienting roll;9-underthrust oil cylinder;10-door type frame;11-lower arms;12-pipe bending cylinder;13-push plate;14-framework;15-optical fiber;16-steel pipe.
Embodiment
Below in conjunction with the accompanying drawings and example, the present invention is described in detail.
As Figure 1-5, the present invention includes the frame 4 for connecting and supporting whole device, and the two bottom sides of frame 4 are provided with piston shoes 6, and piston shoes 6 can enter line slip in mud face;The top of frame 4 is provided with hydraulic crowbar block 5, and the top of hydraulic crowbar block 5 is provided with guide groove 1, and guide groove 1 is to umbilical cables(Power is provided for optical fiber laying device)It is oriented to optical fiber 15;The axis front portion of frame 4 is provided with the preceding orienting roll 8 for guiding, the axis rear portion of frame 4 is provided with the rear orienting roll 7 for guiding, preceding orienting roll 8 and rear orienting roll 7 can be such that whole optical fiber laying device is axially moved along steel pipe, steel pipe is not departed from, orienting roll 7 is vertical double rod structures afterwards, chock 2 is installed, the front end of chock 2 is wedge shape, and chock 2 can be oriented to optical fiber 15 between double rods;The afterbody of frame 4 is provided with door type frame underthrust device 3, door type frame underthrust device 3 includes framework 14, some door type frames 10 are arranged in framework 14, the top of door type frame 10 is provided with underthrust oil cylinder 9, the bottom of underthrust oil cylinder 9 is hinged with being inverted the lower arms 11 of gate, door type frame 10 can be inserted into soil under the promotion of underthrust oil cylinder 9, positioned at the periphery of steel pipe 16 and optical fiber 15, long-term constraint is carried out to the optical fiber 15 after embedded, lower arms 11 is inserted in the sleeve of framework 14, the front end of door type frame 10 is provided with push plate 13, push plate 13 and the piston hinge of pipe bending cylinder 12, after the insertion soil of door type frame 10, pipe bending cylinder 12 will pass through push plate 13 and promote next door type frame 10 to substitute.
As shown in fig. 6-7, work progress of the present invention when carrying out Underwater Optical Fiber laying is as follows:
(1)After ditching is completed afterwards, burying cable workboat in place, optical fiber 15, umbilical cables are penetrated into optical fiber laying device, reversely drawing optical fiber 15 enters water, and reserve some meters of optical fiber 15 in initiating terminal is used to dock with shore facilities;
(2)Optical fiber laying device is transferred, steel pipe 16 is stuck in the middle of optical fiber laying device, optical fiber laying device is not departed from steel pipe 16 in process of deployment by preceding orienting roll 8 and rear orienting roll 7;
(3)Workboat pulls optical fiber laying device and advanced, discharge appropriate optical fiber 15 simultaneously, optical fiber 15 reaches mud face through guide groove 1 and chock 2, pass through the fast 5 regulation driving depth of chock 2 of hydraulic crowbar, chock 2 can slot to mud face, and optical fiber 15 is laid on the both sides of steel pipe 16 along groove, at the same time, the door type frame underthrust device 3 of optical fiber laying device afterbody inserts door type frame 10 in mud, constrains the radial displacement of optical fiber 15;
(4)All laid according to design route to the end position of design requirement, reclaim optical fiber laying device, the optical fiber 15 that initiating terminal is reserved is docked with platform device, and the functional completeness of optical fiber 15 is tested.
It is described above, only it is presently preferred embodiments of the present invention, any formal limitation not made to the present invention, any simple modification, equivalent variations and modification that every technical spirit according to the present invention is made to above example, in the range of still falling within technical solution of the present invention.

Claims (6)

1. a kind of optical fiber laying device, it is characterized in that it includes connecting and supporting the frame of whole device, the bottom of the frame both sides are provided with piston shoes, the upper rack is provided with hydraulic crowbar block, the hydraulic crowbar block top is provided with guide groove, the frame axis front portion is provided with the preceding orienting roll for guiding, and the frame axis rear portion is provided with the rear orienting roll for guiding, and the frame aft is provided with door type frame underthrust device.
2. optical fiber laying device according to claim 1, it is characterised in that the rear orienting roll is to be provided with chock between vertical double rod structures, described pair of rod.
3. optical fiber laying device according to claim 2, it is characterised in that the chock front end is wedge shape.
4. optical fiber laying device according to claim 1, it is characterised in that the door type frame underthrust device, which includes in framework, the framework, arranges some door type frames.
5. optical fiber laying device according to claim 4, it is characterized in that being provided with underthrust oil cylinder above the door type frame, the underthrust oil cylinder bottom is hinged with being inverted the lower arms of gate, the lower arms is inserted in the sleeve of the framework, the door type frame front end is provided with push plate, the piston hinge of the push plate and pipe bending cylinder, the pipe bending cylinder promotes door type frame by push plate.
6. it is a kind of as follows using work progress of the optical fiber laying device when carrying out Underwater Optical Fiber laying as described in claim any one of 1-5:
(1)After ditching is completed afterwards, burying cable workboat in place, optical fiber, umbilical cables are penetrated into optical fiber laying device, reversely drawing optical fiber enters water, and reserve some meters of optical fiber in initiating terminal is used to dock with shore facilities;
(2)Steel pipe strap in the middle of optical fiber laying device, is made optical fiber laying device not depart from steel pipe in process of deployment by decentralization optical fiber laying device, preceding orienting roll and rear orienting roll;
(3)Workboat pulls optical fiber laying device and advanced, discharge appropriate optical fiber simultaneously, optical fiber reaches mud face through guide groove and chock, chock driving depth is adjusted by hydraulic crowbar block, chock can slot to mud face, and optical fiber is laid on steel pipe both sides along groove, at the same time, the door type frame underthrust device of optical fiber laying device afterbody inserts door type frame in mud, constrains the radial displacement of optical fiber;
(4)All laid according to design route to the end position of design requirement, reclaim optical fiber laying device, the optical fiber that initiating terminal is reserved is docked with platform device, and fiber functions integrality is tested.
CN201610119408.XA 2016-03-03 2016-03-03 A kind of optical fiber laying device Pending CN107153242A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610119408.XA CN107153242A (en) 2016-03-03 2016-03-03 A kind of optical fiber laying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610119408.XA CN107153242A (en) 2016-03-03 2016-03-03 A kind of optical fiber laying device

Publications (1)

Publication Number Publication Date
CN107153242A true CN107153242A (en) 2017-09-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610119408.XA Pending CN107153242A (en) 2016-03-03 2016-03-03 A kind of optical fiber laying device

Country Status (1)

Country Link
CN (1) CN107153242A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110927909A (en) * 2019-11-14 2020-03-27 衢州学院 Large-diameter optical cable direct-buried laying construction vehicle
CN111427128A (en) * 2020-05-14 2020-07-17 温州谷枫电子科技有限公司 Automatic optical fiber laying equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110927909A (en) * 2019-11-14 2020-03-27 衢州学院 Large-diameter optical cable direct-buried laying construction vehicle
CN110927909B (en) * 2019-11-14 2020-11-03 衢州学院 Large-diameter optical cable direct-buried laying construction vehicle
CN111427128A (en) * 2020-05-14 2020-07-17 温州谷枫电子科技有限公司 Automatic optical fiber laying equipment

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170912

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