CN108278416A - A kind of petroleum pipeline ditching device - Google Patents
A kind of petroleum pipeline ditching device Download PDFInfo
- Publication number
- CN108278416A CN108278416A CN201810100319.XA CN201810100319A CN108278416A CN 108278416 A CN108278416 A CN 108278416A CN 201810100319 A CN201810100319 A CN 201810100319A CN 108278416 A CN108278416 A CN 108278416A
- Authority
- CN
- China
- Prior art keywords
- petroleum pipeline
- sliding
- slot
- fixed
- bar
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/16—Laying or reclaiming pipes on or under water on the bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention discloses a kind of petroleum pipeline ditching devices, including petroleum pipeline, sliding bottom is equipped at the top of the petroleum pipeline, the bottom of sliding bottom is supported on by sliding wheel on the top surface of petroleum pipeline, sliding bottom two side bottom front and back position is respectively fixed with two hanger bars, hanger bar bottom is fixed with supporting slider, the two bottom sides of support telescopic bar are rotatablely connected support wheel, it is provided with aeroscopic plate between two hanger bars, it is fixed on the axial wall of rotation axis at the top of aeroscopic plate, rotation axis is fixed on by shaft bearing rotation on the inner wall of rotary axis groove, aeroscopic plate bottom is equipped with air nozzle, transfer tube is connected across transfer hole with appendix, the lifting draw ring at the top of sliding bottom is connected with lifting rope, it is connected to drag rope on traction draw ring on the front and back panel of sliding bottom；Pipe trench is accurately opened on pipe position by the present invention by the sliding bottom being buckled on petroleum pipeline, and reduces the earth volume of excavation.
Description
Technical field
The present invention relates to a kind of petroleum pipeline construction equipment field, specifically a kind of petroleum pipeline ditching device.
Background technology
During marine petroleum exploitation, the crude oil come is produced in shallow sea can be then directly loadable into oil carrier by production platform, but
The crude oil come is produced in deep-sea, oilburg, which stops production platform, can threaten platform safety, therefore occur marine special
In the single point mooring of stop oilburg, in this way, will have the oil pipeline connected between each production platform and single point mooring,
The engineering of submarine laying transfer oil and natural gas line is made including marine positioning, the laying items such as pipeline and trench digging again among these
Industry.
Generally high speed ocean current can make pipeline generate displacement area, due to wash away the area for making pipeline gradually damage and
The area of pipeline may be destroyed with fishing operation there is vessel to cast anchor, it is often necessary to be ditched in advance to the pipeline of laying
Operation, this mode is mainly by raising absorbing dredge boat or with ditching plow, ditch of starting the year's ploughing generally tugs, it is more applicable than dredger
In harder soil property, when ditching using both methods, it can be carried out at the same time pipelaying work, the backfill of ditch has plenty of by seabed silt particle
It is natural it is mobile complete, but this method ditching operation amount is big, and ditching plow is generally conducted oneself with dignity larger, it is easy to it is different to tangle seabed
Object leads to not pull movement, moreover, could be laid with by pipeline after trench digging, pipeline accurately falls into seabed and opens up
Good gully, it is desirable that Immersed tunnel process is accurate, and operation is larger, and therefore, we need one kind for these problems
New-type ditching device.
Invention content
The purpose of the present invention is to provide a kind of petroleum pipeline ditching devices, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：
A kind of petroleum pipeline ditching device, including petroleum pipeline, air nozzle, aeroscopic plate, support wheel, support telescopic bar, support
Telescopic chute, supporting slider, slide bar slot, hanger bar, fixed bolt hole, transfer tube, rotation axis, transfer hole, appendix, lifting are drawn
Ring, lifting rope, sliding bottom, rotary axis groove, shaft limited block, postive stop baffle, vehicle frame slot, sliding extension slot, sliding extension bar,
Wheel, traction draw ring, air guide chamber, air guide port, shaft bearing, drag rope are slided, the petroleum pipeline is located at the bottom, the stone
Sliding bottom is equipped at the top of oil-piping, the bottom of the sliding bottom is supported on the top surface of petroleum pipeline by sliding wheel
On, the sliding vehicle wheel rotation is fixed on sliding extension bar both sides, passes through spring and sliding extension at the top of the sliding extension bar
Slot slot bottom is fixedly linked, and the sliding extension slot is fixed on the bottom surface of vehicle frame slot, before and after the bottom of the sliding bottom two side
Position is respectively fixed with two hanger bars, and the outboard end of the hanger bar is internally provided with slide bar slot, is opened in the groove top of the slide bar slot
It equipped with multiple fixed bolt holes, is fastened at the top of the supporting slider in slide bar slot, the top of the supporting slider passes through spiral shell
Bolt is fixed in fixed bolt hole, and the bottom end of the supporting slider offers support telescopic slot, is equipped in the support telescopic slot
The top of support telescopic bar, the support telescopic bar is fixedly linked by the interior groove top of spring and support telescopic slot, the support
The two bottom sides of telescopic rod are rotatablely connected support wheel, and aeroscopic plate is provided between two hanger bars per side, described
It is fixed on the axial wall of rotation axis at the top of aeroscopic plate, the rotation axis is fixed on the inner wall of rotary axis groove by shaft bearing rotation
On, the rotary axis groove is opened in the medium position of sliding bottom two side, and shaft is fixed on the interior side lever wall of the rotation axis
Limited block, fixed postive stop baffle on the bottom surface cell wall of the rotary axis groove, the aeroscopic plate bottom end are equipped with multiple sprays
Gas nozzle, the air nozzle are communicated with the air guide chamber inside aeroscopic plate, and the top of the air guide chamber is equipped with air guide port, the air guide port
On be tightly connected transfer tube, the transfer tube is connected across transfer hole with appendix, and the transfer hole is opened on rotary axis groove
On the sliding bottom side wall that orientation is set, the appendix is connected with the exhaust end of the high-pressure pump on water surface hull, the sliding
Lifting draw ring is fixed at the top of pedestal, the lifting draw ring is connected with lifting rope, on the front and back panel of the sliding bottom
It is fixed with traction draw ring, drag rope, the lifting rope and drag rope and the water surface are fixedly connected on the traction draw ring
On hull be connected,.
Further scheme：The vehicle frame slot is the arc groove face that Open Side Down.
Further scheme：The slide bar slot is the T connected in stars that Open Side Down.
Further scheme：The support telescopic slot is the cylinder groove that Open Side Down.
Further scheme：The aeroscopic plate is semicircular arc metallic plate.
Further scheme：The rotary axis groove is rectangular recess.
Further scheme：The supporting slider and hanger bar are all made of stainless steel.
Further scheme：The drag rope is made of steel wire strand.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention by pipe trench where in order to accurately be opened in pipe
The earth volume for reducing excavation on position and as far as possible, takes the method for first pipe laying post-trenching, i.e., buckles the device of trench digging in advance
On petroleum pipeline, immersed tube is carried out together, and then by way of hull dragging, ditching device is placed on petroleum pipeline wall
Portion is slided, and ensure that ditching device will not be stuck in seabed and be difficult to pull, moreover, ditching device passes through high pressure draught impacite
The mode of oil-piping bottom discharges petroleum pipeline bottom from gully, and the dead weight with petroleum pipeline is stirred by petroleum pipeline using water body
Road is accurately stuck in the gully opened up, and the dust that seabed raises can cover petroleum pipeline again after standing, moreover, passing through gas
The trench digging mode for flowing impact mitigates significantly in contrast to previous ditching plow dead weight, and the traction power of tractor tug requires to decline, and reduces
The oil mass loss of traction hull reduces traction and pulls cost, traction hull by drag rope can to petroleum pipeline into
The ditching operation of row long range substantially increases the trench digging efficiency of petroleum pipeline.
Description of the drawings
Fig. 1 is the structural schematic diagram of petroleum pipeline ditching device.
Fig. 2 is the structural schematic diagram of A in petroleum pipeline ditching device.
Fig. 3 is the structural schematic diagram of petroleum pipeline ditching device left view.
Fig. 4 is the structural schematic diagram of petroleum pipeline ditching device vertical view.
Fig. 5 is the structural schematic diagram of aeroscopic plate in petroleum pipeline ditching device.
In figure：Petroleum pipeline 1, air nozzle 2, aeroscopic plate 3, support wheel 4, support telescopic bar 5, support telescopic slot 6, support
Slide bar 7, slide bar slot 8, hanger bar 9, fixed bolt hole 10, transfer tube 11, rotation axis 12, transfer hole 13, appendix 14, lifting are drawn
Ring 15, lifting rope 16, sliding bottom 17, rotary axis groove 18, shaft limited block 19, postive stop baffle 20, vehicle frame slot 21, sliding extension
Slot 22, sliding extension bar 23, sliding wheel 24, traction draw ring 25, air guide chamber 26, air guide port 27, shaft bearing 28, drag rope
29。
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~5, in the embodiment of the present invention, a kind of petroleum pipeline ditching device, including petroleum pipeline 1, air nozzle
2, aeroscopic plate 3, support wheel 4, support telescopic bar 5, support telescopic slot 6, supporting slider 7, slide bar slot 8, hanger bar 9, fixed spiral shell
Keyhole 10, transfer tube 11, rotation axis 12, transfer hole 13, appendix 14, lifting draw ring 15, lifting rope 16, sliding bottom 17,
Rotary axis groove 18, shaft limited block 19, postive stop baffle 20, vehicle frame slot 21, sliding extension slot 22, sliding extension bar 23, sliding wheel
24, draw ring 25, air guide chamber 26, air guide port 27, shaft bearing 28, drag rope 29 are drawn, the petroleum pipeline 1 is located at the bottom,
1 top of the petroleum pipeline is equipped with sliding bottom 17, and the bottom of the sliding bottom 17 is supported on oil by sliding wheel 24
On the top surface of pipeline 1, the rotation of sliding wheel 24 is fixed on 23 both sides of sliding extension bar, and the sliding extension bar 23 pushes up
Portion is fixedly linked by spring and 22 slot bottom of sliding extension slot, and the sliding extension slot 22 is fixed on the bottom surface of vehicle frame slot 21,
The vehicle frame slot 21 is the arc groove face that Open Side Down, and 17 two side bottom front and back position of the sliding bottom is respectively fixed with two
Hanger bar 9, the supporting slider 7 and hanger bar 9 are all made of stainless steel, and the outboard end of the hanger bar 9 is internally provided with
Slide bar slot 8, the slide bar slot 8 are the T connected in stars that Open Side Down, and multiple fixing bolts are offered in the groove top of the slide bar slot 8
The top in hole 10, the supporting slider 7 is fastened in slide bar slot 8, and the top of the supporting slider 7 is bolted on fixation
In bolt hole 10, the bottom end of the supporting slider 7 offers support telescopic slot 6, and the support telescopic slot 6 is the circle that Open Side Down
Column slot, the support telescopic slot 6 is interior to be equipped with support telescopic bar 5, and the top of the support telescopic bar 5 passes through spring and support telescopic
The interior groove top of slot 6 is fixedly linked, and the two bottom sides of the support telescopic bar 5 are rotatablely connected support wheel 4, it is described per side two
Aeroscopic plate 3 is provided between root hanger bar 9, the aeroscopic plate 3 is semicircular arc metallic plate, and the top of the aeroscopic plate 3 is fixed
On the axial wall of rotation axis 12, the rotation axis 12 is fixed on by the rotation of shaft bearing 28 on the inner wall of rotary axis groove 18, described
Rotary axis groove 18 is opened in the medium position of 17 two side of sliding bottom, and the rotary axis groove 18 is rectangular recess, the rotation axis 12
Interior side lever wall on be fixed with shaft limited block 19, fixed postive stop baffle 20 on the bottom surface cell wall of the rotary axis groove 18 is described
3 bottom end of the aeroscopic plate is equipped with multiple air nozzles 2, and the air nozzle 2 is communicated with the air guide chamber 26 inside aeroscopic plate 3, institute
The top for stating air guide chamber 26 is equipped with air guide port 27, is tightly connected transfer tube 11 on the air guide port 27, the transfer tube 11 is worn
It crosses transfer hole 13 with appendix 14 to be connected, the transfer hole 13 is opened in 17 side wall of sliding bottom of 18 top position of rotary axis groove
On, the appendix 14 is connected with the exhaust end of the high-pressure pump on water surface hull, and the top of the sliding bottom 17 is fixed with
Draw ring 15 is lifted, the lifting draw ring 15 is connected with lifting rope 16, is fixed with and leads on the front and back panel of the sliding bottom 17
Be pulled ring 25, and drag rope 29, the lifting rope 16 and drag rope 29 and water are fixedly connected on the traction draw ring 25
Hull on face is connected, and the drag rope 29 is made of steel wire strand.
The present invention operation principle be：When work, the aeroscopic plate 3 of 17 both sides of sliding bottom is buckled in petroleum pipeline first
On 1 outer tube wall, then sliding bottom 17 sinks to seabed with petroleum pipeline 1 together, will appendix 14 on water surface operation ship
The exhaust end of high-pressure pump be connected, high pressure draught can be by appendix 14, transfer hole 13 and air guide chamber 26 finally by spraying
Gas nozzle 2 sprays, and the air-flow of high pressure can stir and dispel the mud sandstone of 1 bottom of petroleum pipeline, and 1 two bottom sides of petroleum pipeline are rushed
Gully is hit, the mud sandstone in gully can be raised with the flow of agitation, and petroleum pipeline 1 can under the action of self-weight, gradually
It sinks in gully, fixed effect of ditching is carried out to 1 bottom of petroleum pipeline to reach, wherein the traction on traction draw ring 25
Rope 29 will be fixed on the hull of the water surface, and with the traction of hull, sliding bottom 17 can be slided on the surface of petroleum pipeline 1
It is dynamic, wherein the sliding wheel 24 of 17 bottom of sliding bottom can support sliding bottom 17 to advance in 1 top surface of petroleum pipeline, slide bottom
The fixed supporting slider 7 of 17 side-by-side mounting bars 9 of seat, mainly prevents sliding bottom 17 from swinging in distraction procedure, influences
The support wheel 4 that can be stretched of the position of air nozzle 2, wherein 7 bottom of supporting slider setting, can adapt to environments such as subsea very well
And the sliding of sliding bottom 17 is advanced in the both sides of petroleum pipeline 1 together in water, the slide bar slot 8 being wherein arranged in hanger bar 9 is led
If the spacing of slide bar 7 supported on both sides can be adjusted, to adapt to various sizes of petroleum pipeline 1, setting wherein in rotary axis groove 18
12 bar wall of postive stop baffle 20 and rotation axis on fixed shaft limited block 19, mainly prevent aeroscopic plate 3 in the recoil of air nozzle 2
The problem of being excessively rotated up under active force, causing air nozzle 2 that can not be injected in 1 bottom of petroleum pipeline, wherein lifting draw ring 15
Setting with lifting rope 16 is easy for the vertical stretching to sliding bottom 17, convenient for aeroscopic plate 3 from vertical direction from petroleum pipeline
It threads off and withdraws on road 1, complete as a result, under hull traction, to the sharp work work of the long range trench digging of 1 bottom of petroleum pipeline
Make.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of petroleum pipeline ditching device, including petroleum pipeline (1), air nozzle (2), aeroscopic plate (3), support wheel (4), branch
Support telescopic rod (5), support telescopic slot (6), supporting slider (7), slide bar slot (8), hanger bar (9), fixed bolt hole (10), switching
Manage (11), rotation axis (12), transfer hole (13), appendix (14), lifting draw ring (15), lifting rope (16), sliding bottom
(17), rotary axis groove (18), shaft limited block (19), postive stop baffle (20), vehicle frame slot (21), sliding extension slot (22), sliding are stretched
Contracting bar (23), sliding wheel (24), traction draw ring (25), air guide chamber (26), air guide port (27), shaft bearing (28), traction rope
Rope (29), which is characterized in that the petroleum pipeline (1) is located at the bottom, and sliding bottom is equipped at the top of the petroleum pipeline (1)
(17), the bottom of the sliding bottom (17) is supported on by sliding wheel (24) on the top surface of petroleum pipeline (1), described
Sliding wheel (24), which rotates, is fixed on sliding extension bar (23) both sides, passes through spring and sliding at the top of the sliding extension bar (23)
Telescopic chute (22) slot bottom is fixedly linked, and the sliding extension slot (22) is fixed on the bottom surface of vehicle frame slot (21), the sliding bottom
Seat (17) two side bottom front and back position is respectively fixed with two hanger bars (9), and the outboard end of the hanger bar (9) is internally provided with cunning
Bar slot (8) offers multiple fixed bolt holes (10), the top card of the supporting slider (7) in the groove top of the slide bar slot (8)
It is located in slide bar slot (8), the top of the supporting slider (7) is bolted in fixed bolt hole (10), the support
The bottom end of slide bar (7) offers support telescopic slot (6), and support telescopic bar (5), the branch are equipped in the support telescopic slot (6)
The top of support telescopic rod (5) is fixedly linked by the interior groove top of spring and support telescopic slot (6), the support telescopic bar (5)
Two bottom sides are rotatablely connected support wheel (4), and aeroscopic plate (3) is provided between two hanger bars (9) per side, described
Aeroscopic plate is fixed at the top of (3) on the axial wall of rotation axis (12), and the rotation axis (12) is rotated solid by shaft bearing (28)
It is scheduled on the inner wall of rotary axis groove (18), the rotary axis groove (18) is opened in the medium position of sliding bottom (17) two side, described
It is fixed with shaft limited block (19) on the interior side lever wall of rotation axis (12), fixed limit on the bottom surface cell wall of the rotary axis groove (18)
Position baffle (20), aeroscopic plate (3) bottom end are equipped with multiple air nozzles (2), the air nozzle (2) and aeroscopic plate
(3) internal air guide chamber (26) communicates, and the top of the air guide chamber (26) is equipped with air guide port (27), close on the air guide port (27)
Envelope is connected to transfer tube (11), and the transfer tube (11) is connected across transfer hole (13) with appendix (14), the transfer hole
(13) it is opened on sliding bottom (17) side wall of rotary axis groove (18) top position, on the appendix (14) and water surface hull
The exhaust end of high-pressure pump is connected, and lifting draw ring (15), the lifting draw ring are fixed at the top of the sliding bottom (17)
(15) it is connected with lifting rope (16), traction draw ring (25) is fixed on the front and back panel of the sliding bottom (17), it is described to lead
It is pulled on ring (25) and is fixedly connected drag rope (29), the ship on the lifting rope (16) and drag rope (29) and the water surface
Body is connected.
2. petroleum pipeline ditching device according to claim 1, which is characterized in that the vehicle frame slot (21) is that Open Side Down
Arc groove face.
3. petroleum pipeline ditching device according to claim 1, which is characterized in that the slide bar slot (8) is that Open Side Down
T connected in stars.
4. petroleum pipeline ditching device according to claim 1, which is characterized in that the support telescopic slot (6) is opening
Downward cylinder groove.
5. petroleum pipeline ditching device according to claim 1, which is characterized in that the aeroscopic plate (3) is semicircular arc
Metallic plate.
6. petroleum pipeline ditching device according to claim 1, which is characterized in that the rotary axis groove (18) is that rectangle is recessed
Slot.
7. petroleum pipeline ditching device according to claim 1, which is characterized in that the supporting slider (7) and hanger bar
(9) it is all made of stainless steel.
8. petroleum pipeline ditching device according to claim 1, which is characterized in that the drag rope (29) uses multiply
Steel wire is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100319.XA CN108278416A (en) | 2018-02-01 | 2018-02-01 | A kind of petroleum pipeline ditching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100319.XA CN108278416A (en) | 2018-02-01 | 2018-02-01 | A kind of petroleum pipeline ditching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108278416A true CN108278416A (en) | 2018-07-13 |
Family
ID=62807380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810100319.XA Withdrawn CN108278416A (en) | 2018-02-01 | 2018-02-01 | A kind of petroleum pipeline ditching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278416A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141759A (en) * | 2020-09-25 | 2020-12-29 | 张强 | Two-side tipping type car unloader |
| CN112923132A (en) * | 2021-01-25 | 2021-06-08 | 中交第一航务工程局有限公司 | GRP pipeline underwater installation system and installation method |
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| US20110064524A1 (en) * | 2009-09-11 | 2011-03-17 | Triton Diving Services Llc | Diver operated jetting sled and method |
| CN201874025U (en) * | 2010-11-29 | 2011-06-22 | 天津市海王星海上工程技术有限公司 | Jetting type embedded plough for paving composite hoses in shallow sea |
| US20120207546A1 (en) * | 2011-02-16 | 2012-08-16 | Lylyn Hingle Stockstill | Apparatus for entrenching underwater pipelines |
| CN202790907U (en) * | 2012-07-27 | 2013-03-13 | 中国石油化工股份有限公司 | High-pressure water jet and gas lift pipeline sinking machine tool |
| CN203911369U (en) * | 2014-06-05 | 2014-10-29 | 龙源电力集团股份有限公司 | Self-propelled sea cable laying plough used in shallow sea |
| CN104328814A (en) * | 2014-09-28 | 2015-02-04 | 中国海洋石油总公司 | Great-depth seafloor pipeline post-trenching process |
-
2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110064524A1 (en) * | 2009-09-11 | 2011-03-17 | Triton Diving Services Llc | Diver operated jetting sled and method |
| CN201874025U (en) * | 2010-11-29 | 2011-06-22 | 天津市海王星海上工程技术有限公司 | Jetting type embedded plough for paving composite hoses in shallow sea |
| US20120207546A1 (en) * | 2011-02-16 | 2012-08-16 | Lylyn Hingle Stockstill | Apparatus for entrenching underwater pipelines |
| CN202790907U (en) * | 2012-07-27 | 2013-03-13 | 中国石油化工股份有限公司 | High-pressure water jet and gas lift pipeline sinking machine tool |
| CN203911369U (en) * | 2014-06-05 | 2014-10-29 | 龙源电力集团股份有限公司 | Self-propelled sea cable laying plough used in shallow sea |
| CN104328814A (en) * | 2014-09-28 | 2015-02-04 | 中国海洋石油总公司 | Great-depth seafloor pipeline post-trenching process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141759A (en) * | 2020-09-25 | 2020-12-29 | 张强 | Two-side tipping type car unloader |
| CN112923132A (en) * | 2021-01-25 | 2021-06-08 | 中交第一航务工程局有限公司 | GRP pipeline underwater installation system and installation method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180713 |
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| WW01 | Invention patent application withdrawn after publication |