CN108561090B - A kind of submarine pipeline connection operation pipeline section axial alignment device - Google Patents
A kind of submarine pipeline connection operation pipeline section axial alignment device Download PDFInfo
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- CN108561090B CN108561090B CN201810020943.9A CN201810020943A CN108561090B CN 108561090 B CN108561090 B CN 108561090B CN 201810020943 A CN201810020943 A CN 201810020943A CN 108561090 B CN108561090 B CN 108561090B
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- centering
- card body
- pipeline section
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- clamping
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- 210000000744 eyelid Anatomy 0.000 claims abstract description 43
- 239000011159 matrix material Substances 0.000 claims abstract description 43
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- 239000010410 layer Substances 0.000 claims description 54
- 241001317177 Glossostigma diandrum Species 0.000 claims description 20
- 238000010276 construction Methods 0.000 claims description 12
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- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
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- 239000000463 material Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 210000004534 cecum Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of submarine pipeline connection operation pipeline section axial alignment devices, underwater centering when applied to pipeline section connection.The pipeline section axial alignment device is constructed using holohedral symmetry, and the thrust power provided according to the quick clamping of extra large pipe clamp device, the centering positioning of pipeline section centralizer, the axial support of pipeline section eyelid retractor, the bidirectionally limited and fluid cylinder jacking device of lifting limiter and fluid cylinder week thruster, realize the axial alignment between submarine pipeline pipeline section；Extra large pipe clamp device completes the underwater quick clamping between preceding card body and rear card body and submarine pipeline using horizontal type shell and by fluid cylinder week thruster, the underwater centering positioning that pipeline section centralizer acts on according to the origin reference location of centering matrix and the prismatic pair between centering cylinder and support tube is combined to complete two pipeline sections, pipeline section eyelid retractor is according to fluid cylinder jacking device and the hoistway of support tube offer is combined to complete the underwater support of two pipeline sections, and lifting limiter is realized bidirectionally limited in the axial direction support of pipeline section eyelid retractor according to upper layer and lower layer spacer pin.
Description
Technical field
Centralising device when submarine pipeline is connected the present invention relates to a kind of ocean engineering field, more particularly to a kind of sea
Pipeline section axial alignment device in the underwater connection operation of bottom pipeline.
Background technique
ROV (Remotely Operated Vehicle) is used in the underwater interconnection technique in deep water hydrocarbon field, and needs to grind
Send out underwater connector special, underwater connector can usually be used to vertically connect, and be also used as horizontal connection, different
It is connection operation used construction operation equipment and complexity and operating cost in the process.
In the exploitation of deep water hydrocarbon field, the construction operation process maximum difference of vertical interconnection technique and horizontal connection technology is
Centralising device and its centering method, the centering of vertical connection operation include slightly to smart two kinds of the centering of neutralization.Wherein, the side of thick centering
Method is that the top of construction operation equipment is equipped with centering horn mouth, and annulus is arranged in centering horn mouth, by annulus in connection operation
It is inserted in the centering body of hub under construction operation equipment.The method of smart centering is the upper hub of construction operation equipment and lower hub
According to fixing structure cooperation and keep concentric state, and by sealing ring realization connecting portion sealing.Horizontal connection
The guiding centering of operation includes ROVCON centering technology, STABCON centering technology and UCON centering technology, ROVCON centering technology
Centering is carried out as guide rope using part lifting rope, one end of guide rope hangs on the two sides of construction operation equipment hub, and leads
ROV is then utilized gradually to tighten to the other end of rope, to make underwater connector close to hub and realize centering.STABCON centering
Technology is the special guiding cone cylinder of design as vertically-guided mechanism, and underwater connector is first depending on guiding cone cylinder completion and vertically leads
To and be docked on the vertical receiver of construction operation equipment hub, then complete the horizontal of underwater connector by ROV and promote,
And it is finally reached the purpose of centering.UCON centering technology is designed by FMC Corp., it is similar with STABCON centering technology, and design is special
The guide channel of door and so that underwater connector is completed vertically-guided, and be docked on the locator of construction operation equipment hub, then
The horizontal of underwater connector, which is completed, by hydraulic cylinder promotes simultaneously centering.
Currently, external have the design and fabrication technology that more companies have underwater connector, and product presentation is more
Sample.Since the exploitation of China's deep water hydrocarbon is started late, underwater connection submarine pipeline technology and its centralising device are still in and grind
The hair stage does not have the ability for completing deep ocean work alone also.
Summary of the invention
In order to effectively solve the underwater quick connectivity problem of submarine pipeline and overcome the domestic existing underwater centering of submarine pipeline
Defect existing for technology and its operation scheme and deficiency, when connection operation underwater the object of the present invention is to provide a kind of submarine pipeline
Pipeline section axial alignment device.The pipeline section axial alignment device is constructed using holohedral symmetry, and according to the quick of extra large pipe clamp device
Clamping, the centering positioning of pipeline section centralizer, the axial support of pipeline section eyelid retractor, the bidirectionally limited and fluid cylinder top for going up and down limiter
The thrust power that device and fluid cylinder week thruster provide is risen, realizes the axial alignment between two pipeline section of submarine pipeline.
The technical solution adopted by the present invention to solve the technical problems is to provide a kind of submarine pipeline connection operation pipeline section axis
To centralising device, which is mainly limited by extra large pipe clamp device, pipeline section centralizer, pipeline section eyelid retractor, lifting
Device, fluid cylinder jacking device and fluid cylinder week thruster composition.The pipeline section axial alignment device whole design is left and right holohedral symmetry construction, sea
Pipe clamp device, pipeline section centralizer, pipeline section eyelid retractor and go up and down limiter main element material select bidirectional stainless steel,
Extra large pipe clamp device, pipeline section eyelid retractor, lifting limiter, fluid cylinder jacking device and fluid cylinder week thruster are all made of split type structure and along axis
To the two sides for being successively symmetrically arranged in pipeline section centralizer, and pipeline section centralizer then uses unitary structure, extra large pipe clamp device and pipe
Section eyelid retractor is sequentially placed above and below pipeline section centralizer, and lifting limiter is then placed in the centering cylinder of pipeline section centralizer
It is interior.
It is in the horizontal type shell of R shape that extra large pipe clamp device, which uses section, and the thrust power provided according to fluid cylinder week thruster is completed
Underwater quick clamping between preceding card body and rear card body and submarine pipeline, it include preceding card body, rear card body, clamping rest, reinforced seat,
Clamping lock block and clamping lock body.
Preceding card body and rear card body are respectively sleeved in the front and rear of submarine pipeline, and preceding card body uses half-sectional formula cylinder, then
The construction that card body is then combined using half-sectional formula cylinder and rectangular steel plates, the lower end of rear card body rectangular steel plates set gradually rectangle company
Fishplate bar and L shape chamfered groove, and the half-sectional formula cylinder of preceding card body and rear card body is arranged symmetrically and is integrated into a complete thick-wall cylinder.
Two groups of symmetrical clamping guidees, every group of clamping guide edge of preceding card body is arranged in the top of preceding card body and rear card body
Axial equidistantly two points of clamping guidees of arrangement, then every group of clamping guide of card body is along axial equidistantly three points of clampings of arrangement
Guide, and preceding card body and rear card body divide interlaced arrangement and configuration card bearing pin between clamping guide, thus by preceding card body and after
Card body is hinged.Two groups of rotary tables, and preceding card body is respectively set in the upper and lower part of preceding card body and the half-sectional formula cylinder of rear card body
And two groups of rotary tables of rear card body upper and lower part interlaced arrangement between three groups of clamping rests, while two groups of rotary tables are respectively arranged
In the two sides of preceding card body and the half-sectional formula cylinder of rear card body and along the faying face of its half-sectional formula cylinder it is symmetrical；Preceding card body is with after
Every group of rotary table on card body half-sectional formula cylinder top is along axial equidistantly three conical round table of arrangement, preceding card body half-sectional formula cylinder lower part
Every group of rotary table along axial equidistantly two conical round table of arrangement, then every group of rotary table of card body half-sectional formula cylinder lower part is along axial
The central part of equidistantly two column rotary tables of arrangement, each conical round table and column rotary table is equipped with long eyelet and configures clamping spiral shell
Column, to realize the connection between preceding card body and rear card body and submarine pipeline.
The binding site of card body and reinforced seat is successively arranged clamping circular hole and strip-shaped clamp groove, rear card body clamping from top to bottom afterwards
The position of circular hole and specification are identical as the column rotary table of rear card body, while the strip-shaped clamp groove of rear card body realizes the positioning of reinforced seat.
The lower part of the preceding half-sectional formula cylinder of card body is equipped with two clamping lock blocks of axially symmetric arrangement, and clamping lock block is by rectangular bloom
It is process, the central part of clamping lock block is drilled with the round lock road of variable cross-section, while matching in the round lock road of each clamping lock block
There is a clamping lock body, the ring cavity inner wall in circle lock road carries out retrofit, and the two sides in round lock road are connected through a screw thread and divide
Not Qian Ru clamping lock body lug latch board.The lower part of the half-sectional formula cylinder of card body is equipped with the U-shaped locked groove matched with clamping lock block, rear card body afterwards
It is milled with wedge-shaped groove on the two sides locked groove face of U-shaped locked groove, while the central part of U-shaped locked groove is drilled with prismatic round keyhole.
Clamping lock body realizes the underwater quick locking of preceding card body and rear card body, it is by two clip lock cores and clamping lock that are arranged symmetrically
Plate and a clamping lock spring composition.The central part of lug latch board is drilled with round keyhole, and clip lock core uses stepped shaft structure, material
35CrMo is selected, it includes clamping lock pin and click shoulder two parts, the circle with rear card body U-shaped locked groove respectively of the clamping lock pin in clip lock core
Precision-fit between shape lockhole and the round keyhole of lug latch board and constitute prismatic pair, while being milled on the end face of clamping lock pin and blocking with after
The corresponding wedge-shaped groove of body U-shaped locked groove.Precision-fit between the round lock road of click shoulder in clip lock core and clamping lock block and structure
The clamping lock spring for forming the shaft shoulder at changes of section at prismatic pair, while on the inside of click shoulder and being positioned through in it, thus according to card
The stretching motion of snap realizes the automatic fastening function of clamping lock body.
Reinforced seat is process by rectangular steel plates, and lower end is successively arranged the rectangular connecting panels and L to match with rear card body
Shape chamfered groove, and the L shape chamfered groove of reinforced seat and rear card body is arranged symmetrically and forms U-channel, the rectangle of reinforced seat and rear card body connects
Fishplate bar is equipped with the circular aperture equidistantly arranged and configures centering stud, thus realize extra large pipe clamp device and pipeline section centralizer it
Between connection.The binding site of reinforced seat and rear card body is successively arranged clamping screw hole and bar shaped fixture block from top to bottom, reinforced seat
Bar shaped fixture block is matched with the strip-shaped clamp groove of rear card body, and the clamping screw hole of reinforced seat and the position of rear card body clamping circular hole are identical simultaneously
Stud is reinforced in configuration, to realize the connection between reinforced seat and rear card body.
Clamping rest is divided into three groups and is equidistantly arranged in the top of preceding card body and rear card body along axial direction, and three groups of clamping branch
Support two groups of clamping guidees between interlaced arrangement, the end face of extra large pipe clamp device bilaterally-chucked rest respectively with preceding card body and rear card body
And the both sides of the face of reinforced seat keep concordant.Every group of clamping rest is set there are two identical point of clamping rest of structure and specification,
Each clamping rest is divided to be composed of rectangular bloom and trapezoidal bloom, and the rectangular bloom of clamping rest is divided vertically to arrange,
With time-division clamping rest trapezoidal bloom slant setting and be individually fixed in by the way of circumferential weld preceding card body and rear card body
Top, thus every group of clamping rest is along axial in flat U-shaped.Rectangular recess is equipped at the top of the rectangular bloom of clamping rest in addition, dividing
And configure and promote axis in week, to realize hinged between clamping rest and fluid cylinder week thruster hydraulic cylinder.
Pipeline section centralizer acts on according to the origin reference location of centering matrix and combines the prismatic pair between centering cylinder and support tube real
The underwater centering positioning of existing two pipeline section of submarine pipeline, it includes centering matrix, centering cylinder and centering rest.
Centering matrix uses horizontal bar steel plate, and realizes that origin reference location is made according to horizontal plane and cylindricality standard station
With the upper surface of centering matrix is set as horizontal plane, and symmetrical rear card body and reinforced seat is respectively configured, to protect
Two sets of extra large pipe clamp devices above card pipeline section centralizer are in concentric Shaft alignment state.It is bored on the front and rear sides end face of centering matrix
Have a circular aperture matched with the rectangular connecting panels of reinforced seat and rear card body, and the two sides of centering matrix respectively with reinforced seat
Concordant with the holding of the rectangular connecting panels side end face of rear card body, the length of centering matrix is greater than the axial length of twice of extra large pipe clamp device
With the sum of the axial spacing of two pipeline section of submarine pipeline.
The lower end surface of centering matrix is equipped with two cylindricality standard stations being arranged symmetrically, the cylindricality of centering matrix along its length
A centering cylinder is respectively configured on standard station, to guarantee that two casing section eyelid retractors below pipeline section centralizer are in vertically parallel
State, the cylindricality standard station diameter of centering matrix and the outer diameter of centering cylinder top ring flange are equal to the width of centering matrix.
Centering cylinder using vertical thick-wall cylinder and being matched with the support tube of pipeline section eyelid retractor, top be arranged ring flange and
Its bottom end vehicle is formed with sealing pipe screw thread, while the barrel lower part of centering cylinder is equipped with upper layer and lower layer centring hole, and every layer of centring hole is along week
To uniformly distributed four centering circular hole eyes, the position of each interlayer centering circular hole eye is identical, and the centering circular hole eye of centering cylinder with lifting
The spacer pin of limiter matches.
Centering rest is evenly distributed on the outer ring surface of centering matrix cylindricality standard station, the cylindricality base of each centering matrix
Four pairs of centering rests are configured on quasi- platform, and the platform that centering rest is equal to centering matrix cylindricality standard station along axial height is high.
Pipeline section eyelid retractor is realized according to the hoistway of thrust power and combination support tube offer that fluid cylinder jacking device provides
The underwater support of two pipeline section of submarine pipeline, it includes support tube, mud mat and support rest.
Mud mat uses cylindrical steel plate, and directly contacts with seabed mud face, for prevent a whole set of centralising device vertically under
It is heavy.The lower end surface of mud mat and the horizontal plane keeping parallelism of centering matrix upper end, the upper surface of mud mat is equipped with and centering
The cylindrical boss of the cylindricality standard station same size of matrix respectively configures a support tube on the cylindrical boss of mud mat, prevents
The cylindrical boss diameter of heavy plate and the outer diameter of support tube bottom end ring flange are equal to the width of centering matrix.
Support tube uses vertical thick-wall cylinder, and ring flange is arranged in bottom end, and the barrel upper and lower part of support tube is respectively set
There is one layer of limit hole, every layer of limit hole is evenly distributed four limit circular hole eyes, limit circular hole eye and the centering cylinder of support tube
The aperture of centering circular hole eye is identical, when each limit circular hole eye of support tube upper layer limit hole and the spacer pin of lifting limiter cooperate
The as terminating point of fluid cylinder jacking device lift maximum displacement, while each limit circular hole eye of support tube lower layer limit hole and lifting limit
Position device spacer pin cooperation when as fluid cylinder jacking device drop journey maximum displacement terminating point.
Precision-fit between the ring cavity inner wall of support tube and the outer ring surface of centering cylinder and constitute prismatic pair, and the ring of support tube
Position of the cavity wall between upper layer and lower layer limit hole is milled with arch trench, to provide for lifting limiter along axial two-way
The hoistway of movement, while the arch trench two side ends of support tube and the binding site of limit hole are milled with arch groove.
Support rest identical as the structure of centering rest and quantity, support rest is evenly distributed in mud mat circular cylindrical projection
On the outer ring surface of platform, the centering rest of each pair of support rest and corresponding position configures the hydraulic cylinder of a set of fluid cylinder jacking device, branch
Support rest is equal to the height of centering rest along the platform height of axial height and mud mat cylindrical boss.Each pair of support rest and
Centering rest contains there are two branch's support, and each branch's support uses rectangle bloom, and support rest is by supporting pin shaft and fluid cylinder to jack
The Barrel of Hydraulic Cylinders of device is connected, and centering rest then passes through centering pin shaft and is connected with the hydraulic cylinder piston rod of fluid cylinder jacking device
It connects.
It is bidirectionally limited during lifting limiter foundation upper layer and lower layer spacer pin realization pipeline section eyelid retractor axial direction support, it
Including limit ontology, spacer pin and limit spring.
The ring body that ontology uses variable cross-section is limited, the bottom setting ring shoulder of ontology is limited, the ring shoulder for limiting ontology passes through spiral shell
Line connection realize lifting limiter to being fixedly connected in middle cylinder ring cavity inner wall, while limit the lower end surface of ontology ring shoulder with it is right
The lower end surface of middle cylinder keeps concordant.The ring body for limiting ontology ring shoulder top is equipped with upper layer and lower layer lift span, and every layer of lift span is along week
To uniformly distributed four lifting circular hole eyes, the lifting circular hole eye for limiting ontology is corresponding with the position of centering circular hole eye of centering cylinder, and
Variable cross-section boss is arranged in the hole bottom for limiting ontology lift span, limits and realizes limit bullet at the changes of section of ontology variable cross-section boss
The axially position of spring inner end.
Spacer pin uses stepped shaft structure, material selection 35CrMo, the end face outside of spacer pin using circular arch face and with
Precision-fit between the arch trench of support tube and constitute the prismatic pair along support tube axial direction.The side end mill in spacer pin circular arch face
There are arch groove corresponding with support tube limit hole, and the arch of the arch groove of upper layer spacer pin and support tube upper layer limit hole
Shape groove matches, while the arch groove of lower layer's spacer pin is matched with the arch groove of support tube lower layer limit hole.Limit
It is gap-matched between the shank of pin and the lifting circular hole eye for limiting ontology, and the shank of spacer pin while pair with centering cylinder
Precision-fit between middle circular hole eye and the limit circular hole eye of support tube and constitute the prismatic pair along centering cylinder and support tube radial direction.Limit
The inner end setting variable cross-section boss corresponding with limit ontology lift span of position pin, the changes of section of spacer pin variable cross-section boss
Realize the axially position of limit spring outboard end in place.
According to the stretching motion of limit spring, when in the upper layer limit hole of upper layer spacer pin insertion support tube, fluid cylinder top
It rises device and reaches maximum lift, and when in lower layer's limit hole of lower layer's spacer pin insertion support tube, fluid cylinder jacking device reaches maximum
Journey is dropped, the automatic bidirectional limit function of lifting limiter is achieved in.
The pipeline section axial alignment device includes two sets of independent hydraulic cylinder-type propulsion systems, i.e. fluid cylinder jacking device and fluid cylinder week pushes away
Device realizes the rapid axial centering of submarine pipeline pipeline section for providing thrust power.Fluid cylinder jacking device passes through centering rest and branch
The connection between rest realization pipeline section centralizer and pipeline section eyelid retractor is supportted, and completes the liter during pipeline section eyelid retractor axially supports
Drop promotes, and fluid cylinder jacking device uses the four independent hydraulically controlled cylinders circumferentially uniformly distributed along support tube, and each hydraulic cylinder is vertically placed.Fluid cylinder
All thrusters are realized opening between preceding card body and rear card body and are closed up by clamping rest, and it is quick under water to complete extra large pipe clamp device
Horizontal propulsion during clamping, fluid cylinder week thruster use the three independent liquid axially equidistantly arranged along preceding card body and rear card body
Cylinder pressure, and each hydraulic cylinder is arranged in the horizontal direction.
The hydraulic oil of all independent hydraulically controlled cylinders passes through multiple directional control valve and distributes unitedly to realize the automatic of fluid cylinder jacking device
Synchronization lifting promotes and the horizontal propulsion functions of automatic synchronization of fluid cylinder week thruster, while hydraulic cylinder is all made of piston-type hydro pressure oil
Cylinder realizes two-way advancing movement by the oil return of its both ends into the logical oil and hydraulic oil pipeline out of hydraulic oil pipeline.Fluid cylinder jacking
The hydraulic cylinder of device is carried out hingedly with pipeline section centralizer and pipeline section eyelid retractor respectively by centering pin shaft and support pin shaft, and fluid cylinder is all
The hydraulic cylinder of thruster, which then passes through, promotes axis and extra large pipe clamp device anchoring week together, clamping pin shaft, centering pin shaft and support pin shaft
Shaft end be machined with cecum screw hole and configure hex head screw and be fixed, and the shaft end that week promotes axis is then subject to equipped with split pin
It is fixed.
Institute of the invention is attainable to be had the technical effect that, which is constructed using holohedral symmetry, and according to sea
The quick clamping of pipe clamp device, the axial support of pipeline section eyelid retractor, goes up and down the two-way of limiter at the centering positioning of pipeline section centralizer
The thrust power that limit and fluid cylinder jacking device and fluid cylinder week thruster provide realizes that the axial direction between two pipeline section of submarine pipeline is right
In；It is in the horizontal type shell of R shape that extra large pipe clamp device, which uses section, and the thrust power provided according to fluid cylinder week thruster completes preceding card body
Underwater quick clamping between rear card body and submarine pipeline, pipeline section centralizer are acted on and are combined according to the origin reference location of centering matrix
Prismatic pair between centering cylinder and support tube completes the underwater centering positioning of two pipeline section of submarine pipeline, and pipeline section eyelid retractor is according to fluid cylinder top
It rises the thrust power that device provides and the axial support of hoistway completion two pipeline section of submarine pipeline of support tube offer, lifting is provided
Limiter is according to bidirectionally limited during upper layer and lower layer spacer pin realization pipeline section eyelid retractor axially support.
Detailed description of the invention
The present invention will be further described below with reference to the drawings, but the invention is not limited to following embodiments.
Fig. 1 is typical pipe in a kind of submarine pipeline connection operation pipeline section axial alignment device proposed according to the present invention
The structure diagram of axial alignment device.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the knot of extra large pipe clamp device and fluid cylinder week thruster in a kind of submarine pipeline connection operation pipeline section axial alignment device
Structure schematic diagram.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is a kind of structure diagram of pipeline section centralizer in submarine pipeline connection operation pipeline section axial alignment device.
Fig. 6 is the knot of pipeline section eyelid retractor and fluid cylinder jacking device in a kind of submarine pipeline connection operation pipeline section axial alignment device
Structure schematic diagram.
Fig. 7 is A-A cross-sectional view of Fig. 6.
Fig. 8 is the structure diagram that limiter is gone up and down in a kind of submarine pipeline connection operation pipeline section axial alignment device.
Fig. 9 is the top view of Fig. 8.
Figure 10 is to connect pipeline section axial alignment operation under water in a kind of submarine pipeline connection operation pipeline section axial alignment device
General flow chart.
The sea 1- pipe clamp device in figure, 2- fluid cylinder week thruster, 3- submarine pipeline, 4- pipeline section centralizer, the jacking of 5- fluid cylinder
Device, 6- go up and down limiter, 7- pipeline section eyelid retractor, card body before 8-, card body after 9-, 10- clamping pin shaft, 11- weeks distribution axis,
12- clamping rest, 13- clamping lock body, 14- clamping lock block, 15- reinforced seat, 16- centering matrix, 17- centering rest, 18-
Centering cylinder, 19- centering pin shaft, 20- hydraulic cylinder piston rod, 21- Barrel of Hydraulic Cylinders, 22- support tube, 23- support pin shaft,
24- supports rest, 25- mud mat, 26- spacer pin, 27- limit ontology, 28- limit spring.
Specific embodiment
In fig. 1 and 2, submarine pipeline connection operation pipeline section axial alignment device is mainly by extra large pipe clamp device 1, fluid cylinder week
Thruster 2, pipeline section centralizer 4, fluid cylinder jacking device 5, lifting limiter 6 and pipeline section eyelid retractor 7 form, and whole design is that left and right is complete
Symmetric construction, extra large pipe clamp device 1, fluid cylinder week thruster 2, fluid cylinder jacking device 5, lifting limiter 6 and pipeline section eyelid retractor 7 along axial direction according to
Sub-symmetry is arranged in the two sides of pipeline section centralizer 4, and two sets of extra large pipe clamp devices 1 are clamped in the outer ring of 3 liang of pipeline sections of submarine pipeline respectively
Face, and extra large pipe clamp device 1 is placed in the top of pipeline section centralizer 4, pipeline section eyelid retractor 7 is placed in the lower section of pipeline section centralizer 4, and
Lifting limiter 6 is then placed in the centering cylinder of pipeline section centralizer 4.
In fig. 1 and 2, before the assembling of submarine pipeline connection operation pipeline section axial alignment device, extra large pipe clamp device 1, pipeline section
The outer surface of 7 main element of centralizer 4 and pipeline section eyelid retractor carries out spray painting preservative treatment respectively, extra large 1 clamping lock body of pipe clamp device
Clamping lock pin is placed in the round keyhole of its clamping lock block, it should and it is flexibly mobile and fluent, and go up and down the spacer pin merging of limiter 6
In the centring hole of pipeline section centralizer 4 and the limit hole of pipeline section eyelid retractor 7, should flexibly it move and fluent, pipeline section centralizer 4
Centering cylinder should normally be slided along the support tube of pipeline section eyelid retractor 7 and fluent, and the spacer pin for going up and down limiter 6 should be along pipeline section
The hoistway of eyelid retractor 7 normally slides and fluent, and keeps the cleaning of extra large 1 inner wall of pipe clamp device, finally checks extra large pipe clamp
The clamping lock pin of tight device 1 and the spacer pin for going up and down limiter 6 have it is not damaged, check at each pin shaft and thread connection whether securely and
There is non-corroding.
In fig. 1 and 2, when submarine pipeline connection operation pipeline section axial alignment device assembles, card body before extra large pipe clamp device 1
Clamping pin shaft is respectively configured with two groups of clamping guidees of rear card body, and preceding card body and rear card body is hinged, then fluid cylinder
The hydraulic cylinder of all thrusters 2 is connected by clamping rest with sea pipe clamp device 1, then 4 centering matrix upper end of pipeline section centralizer
The rear card body and reinforced seat of extra large pipe clamp device 1, while the column of 4 centering matrix lower end of pipeline section centralizer is respectively configured in horizontal plane
Shape standard station configures the centering cylinder of pipeline section centralizer 4, and is connected extra large pipe clamp device 1 and pipeline section centralizer 4 by centering stud
Integrally, the ring shoulder that then lifting limiter 6 limits body bottom portion is connected through a screw thread realization lifting limiter 6 in pipeline section pair
The hydraulic cylinder of positioning in 4 centering cylinder ring cavity inner wall of device, last fluid cylinder jacking device 5 is realized by centering rest and support rest
Connection between pipeline section centralizer 4 and pipeline section eyelid retractor 7.
In fig. 1 and 2, the specification of a whole set of submarine pipeline connection operation pipeline section axial alignment device is according to submarine pipeline 3
Caliber chosen.
In figs. 3 and 4, the distance between two sets of extra large pipe clamp devices 1 are according between the axial direction between 3 liang of pipeline sections of submarine pipeline
Away from being adjusted, the caliber phase one of the ring cavity inner diameter of preceding card body 8 and rear card body 9 and submarine pipeline 3 in extra large pipe clamp device 1
Cause, fluid cylinder week thruster 2 the design of each hydraulic cylinder rise need to comprehensively consider the geometric dimension and submarine pipeline 3 of clamping rest 12
The factors such as caliber.
In figs. 3 and 4, two groups of clamping guidees of preceding card body 8 pass through two groups of clamping pins of clamping pin shaft 10 and rear card body 9
Set is respectively articulated with together, and clamping rest 12 divides the top that preceding card body 8 and rear card body 9 are equidistantly arranged in for three groups and along axial direction
Portion, every group of clamping rest 12 divides configuration week in the rectangular recess of clamping rest to promote axis 11, thus by each liquid of fluid cylinder week thruster 2
Cylinder pressure is respectively connected together with preceding card body 8 and rear card body 9, and extra large pipe clamp device 1 is connected to pipe by rear card body 9 and reinforced seat 15
On the horizontal plane of section 4 centering matrix of centralizer.
In figs. 3 and 4, the preceding card body 8 of extra large pipe clamp device 1 and rear card body 9 according to fluid cylinder week thruster 2 horizontal promote and
Complete to open and close up operation, and in clamping lock body 13 the clamping lock spring of the clamping lock pin foundation clamping lock body 13 of clip lock core and be smoothly inserted into card
In the round keyhole of closing piece 14, the underwater quick locking of preceding card body 8 and rear card body 9, while preceding card body 8 and rear card body are thus completed
9 are quickly clamped on two pipeline sections of submarine pipeline 3 by clamping stud.
In Fig. 5,16 width of centering matrix of pipeline section centralizer 4 is adjusted according to the caliber of submarine pipeline 3, and centering
The length of matrix 16 then needs to be greater than the axial length of twice of extra large pipe clamp device 1 and the sum of the axial spacing of 3 liang of pipeline sections of submarine pipeline,
It is additional that slightly maximum that is eccentric and generating occurs for the center that the design of centering matrix 16 needs to comprehensively consider 3 liang of pipeline sections of submarine pipeline
Axial length and submarine pipeline 3 to the vertical distance between the mud face of seabed of the factors such as active force, centering cylinder 18 are consistent.
In Fig. 5, be respectively configured a centering cylinder 18 on the cylindricality standard station of centering matrix 16, and by centering stud with
Extra large pipe clamp device 1 is connected, and the outer ring surface of centering cylinder 18 is matched with the ring cavity inner wall of 7 support tube of pipeline section eyelid retractor, while right
Precision-fit between the centring hole of middle cylinder 18 and the spacer pin for going up and down limiter 6, pipeline section centralizer 4 pass through centering rest 17 and liquid
The hydraulic cylinder of cylinder jacking device 5 is connected.
In figure 6 and figure 7, in pipeline section eyelid retractor 7 axial length of support tube 22 and submarine pipeline 3 between the mud face of seabed
Vertical distance be consistent, the geometric dimension of mud mat 25 need to comprehensively consider the gravity of 3 liang of tube section ends of submarine pipeline with
The factors such as the sum of gravity of a whole set of pipeline section axial alignment device, the lift and drop journey design of each hydraulic cylinder of fluid cylinder jacking device 5 need
Comprehensively consider the propulsion that submarine pipeline 3 is provided to the factors such as vertical distance between the mud face of seabed, each hydraulic cylinder of fluid cylinder jacking device 5
Power size according to the gravity of 3 liang of tube section ends of submarine pipeline and extra large pipe clamp device 1, fluid cylinder week thruster 2, pipeline section centralizer 4 and
The sum of the gravity of lifting limiter 6 is designed.
In figure 6 and figure 7, the upper layer limit hole of support tube 22 is matched with the upper layer spacer pin of lifting limiter 6, is realized
The limit of 5 maximum lift of fluid cylinder jacking device, while lower layer's spacer pin phase of lower layer's limit hole of support tube 22 and lifting limiter 6
The limit of the maximum drop journey of fluid cylinder jacking device 5 is realized in cooperation.The hydraulic cylinder piston rod 20 of fluid cylinder jacking device 5 passes through centering pin shaft 19
It is connected with centering rest 17 with the centering matrix 16 of pipeline section centralizer 4, the Barrel of Hydraulic Cylinders 21 of fluid cylinder jacking device 5 then passes through branch
Support pin shaft 23 and support rest 24 are connected with the mud mat 25 of pipeline section eyelid retractor 7.
In figure 6 and figure 7, it is promoted according to the lifting of each hydraulic cylinder of fluid cylinder jacking device 5, the mud mat 25 of pipeline section eyelid retractor 7
It is vertically slid together with its support tube 22, until the lower end surface of mud mat 25 is directly contacted with seabed mud face.
In figs. 8 and 9, the specification of spacer pin 26 and the centring hole of centering cylinder 18 and support tube 22 in limiter 6 are gone up and down
Limit hole be consistent, limit ontology 27 specification it is consistent with the ring cavity inner wall of centering cylinder 18.
In figs. 8 and 9, hoistway is formed between the circular arch face of spacer pin 26 and the arch trench of support tube 22, according to
According to the stretching motion of limit spring 28 in limit 27 lift span of ontology, upper layer spacer pin 26 is inserted into the upper layer limit hole of support tube 22
Maximum lift that is interior and reaching fluid cylinder jacking device 5, while lower layer's spacer pin 26 is inserted into lower layer's limit hole of support tube 22 and reaches
To the maximum drop journey of fluid cylinder jacking device 5, it is achieved in the automatic bidirectional limit function of lifting limiter.
It is underwater to connect in pipeline section axial alignment work flow in Figure 10, it is pushed away in fluid cylinder week on foundation each group clamping rest 12
The horizontal of 2 hydraulic cylinder of device promotes, and the preceding card body 8 and rear card body 9 of 3 two sides of submarine pipeline are successively implemented to close up, while relying on clamping lock
The stretching motion of clamping lock spring in body 13, in clamping lock body 13 in the round keyhole of the clamping lock pin insertion clamping lock block 14 of clip lock core, then
Preceding card body 8 and rear card body 9 are clamped in respectively on the outer ring surface of 3 liang of pipeline sections of submarine pipeline by clamping stud, thus complete sea
The underwater quick clamping of pipe clamp device 1.
It is underwater to connect in pipeline section axial alignment work flow in Figure 10, according to centering rest 17 and support rest 24 it
Between the lifting of 5 hydraulic cylinder of fluid cylinder jacking device promote, and combine the liter between 26 circular arch face of spacer pin and 22 arch trench of support tube
Prismatic pair between slideway and 22 ring cavity inner wall of support tube and 18 outer ring surface of centering cylinder drops, and mud mat 25 is with 22 edge of support tube
Vertical slip, then the stretching motion according to limit spring 28 in limit 27 lift span of ontology, the insertion of upper layer spacer pin 26 support
Reach the maximum lift of fluid cylinder jacking device 5 in the upper layer limit hole of cylinder 22, mud mat 25, in seabed mud face, are thus completed sea
The axial support and centering positioning of 3 liang of pipeline sections of bottom pipeline.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type etc. are all can be
Variation, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded of the invention
Except protection scope.
Claims (10)
1. a kind of submarine pipeline connection operation pipeline section axial alignment device, extra large pipe clamp device, pipeline section eyelid retractor, lifting limiter,
Fluid cylinder jacking device and fluid cylinder week thruster are successively symmetrically arranged in the two sides of pipeline section centralizer, extra large pipe clamp device and pipeline section branch along axial direction
Support device is sequentially placed above and below pipeline section centralizer, and lifting limiter is then placed in the centering cylinder of pipeline section centralizer, should
Pipeline section axial alignment device is constructed using holohedral symmetry, and fixed according to the centering of the quick clamping of extra large pipe clamp device, pipeline section centralizer
What position, the axial support of pipeline section eyelid retractor, the bidirectionally limited and fluid cylinder jacking device of lifting limiter and fluid cylinder week thruster provided
Thrust power completes the axial alignment between two pipeline section of submarine pipeline, it is characterised in that:
One extra large pipe clamp device；For the sea pipe clamp device using section in the horizontal type shell of R shape, preceding card body uses half-sectional formula cylinder,
The top setting of the then construction that card body is combined using half-sectional formula cylinder and rectangular steel plates, preceding card body and rear card body is symmetrical
Two groups of clamping guidees, two groups of rotary tables, and preceding card body is respectively set in the upper and lower part of preceding card body and the half-sectional formula cylinder of rear card body
And two groups of rotary tables of rear card body upper and lower part interlaced arrangement between three groups of clamping rests, while two groups of rotary tables are respectively arranged
In the two sides of preceding card body and the half-sectional formula cylinder of rear card body and along the faying face of its half-sectional formula cylinder it is symmetrical, rear card body with plus
The binding site of strong seat is successively arranged clamping circular hole and strip-shaped clamp groove from top to bottom；The lower part of the preceding half-sectional formula cylinder of card body is equipped with edge
Round lock in road of two clamping lock blocks of axially symmetric disposition, each clamping lock block is provided with a clamping lock body, the rear half-sectional formula of card body
The lower part of cylinder is equipped with the U-shaped locked groove matched with clamping lock block；The central part of lug latch board is drilled with round keyhole in clamping lock body, card
The clip lock core of lock body uses multi-diameter shaft, is milled with wedge-shaped groove corresponding with U-shaped locked groove, card in clip lock core on the end face of clamping lock pin
The clamping lock spring for forming the shaft shoulder at changes of section in lock core on the inside of click shoulder and being positioned through in it；The lower end of reinforced seat is successively set
There are the rectangular connecting panels to match with rear card body and L shape chamfered groove, the binding site of reinforced seat and rear card body is successively set from top to bottom
There are clamping screw hole and bar shaped fixture block, clamping rest is divided into three groups and is equidistantly arranged in the top of preceding card body and rear card body along axial direction
Portion；
One pipeline section centralizer；The centering matrix of the pipeline section centralizer uses horizontal bar steel plate, and according to horizontal plane and
Cylindricality standard station realizes origin reference location effect, and the upper surface of centering matrix is set as horizontal plane, and is respectively configured symmetrical point
The rear card body and reinforced seat of cloth, the lower end surface of centering matrix are equipped with two cylindricality standard stations being arranged symmetrically along its length, and
A centering cylinder is respectively configured on cylindricality standard station；Centering cylinder is matched using vertical thick-wall cylinder and with the support tube of pipeline section eyelid retractor
It closes, barrel lower part is equipped with upper layer and lower layer centring hole, and centering rest is evenly distributed in the outer ring of centering matrix cylindricality standard station
On face；
One pipeline section eyelid retractor；The mud mat of the pipeline section eyelid retractor uses cylindrical steel plate, and end face is equipped with and centering matrix thereon
The cylindrical boss of cylindricality standard station same size, a support tube is respectively configured on cylindrical boss, and support tube uses vertical thickness
Wall cylinder, the upper and lower part of barrel are respectively provided with one layer of limit hole, and the ring cavity inner wall of support tube is located at upper layer and lower layer limit hole
Between position be milled with arch trench, thus for lifting limiter the hoistway along axial bidirectional-movement is provided；Support rest
It is evenly distributed in the outer ring surface of mud mat cylindrical boss, each pair of support rest and centering rest configure a set of fluid cylinder jacking device
Hydraulic cylinder；
One lifting limiter；The limit ontology of the lifting limiter uses the ring body of variable cross-section, limit ontology ring shoulder top
Ring body is equipped with upper layer and lower layer lift span, and variable cross-section boss is arranged in the hole bottom of limit ontology lift span；Spacer pin uses multi-diameter shaft,
Its end face outside uses circular arch face, and the side end mill in spacer pin circular arch face has arch groove corresponding with support tube limit hole,
The inner end setting variable cross-section boss corresponding with limit ontology lift span of spacer pin；The stretching motion of foundation limit spring,
When the upper layer limit hole of upper layer spacer pin insertion support tube, fluid cylinder jacking device reaches maximum lift, and when lower layer's spacer pin is inserted
When entering lower layer's limit hole of support tube, fluid cylinder jacking device reaches maximum drop journey, is achieved in the automatic bidirectional limit of lifting limiter
Bit function；
One fluid cylinder jacking device and fluid cylinder week thruster；The fluid cylinder jacking device realizes pipeline section centering by centering rest and support rest
Connection between device and pipeline section eyelid retractor, it uses the four independent hydraulically controlled cylinders circumferentially uniformly distributed along support tube, and each hydraulic cylinder is along vertical
To placement；Thruster was realized opening between preceding card body and rear card body and was closed up by clamping rest fluid cylinder week, it is using along preceding card
Three independent hydraulically controlled cylinders that body and rear card body axially equidistantly arrange, and each hydraulic cylinder is arranged in the horizontal direction.
2. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the seabed
Extra large pipe clamp device, pipeline section eyelid retractor, lifting limiter, fluid cylinder jacking device and the liquid of pipeline connection operation pipeline section axial alignment device
Cylinder week, thruster was all made of split type structure, and pipeline section centralizer then uses unitary structure；
The submarine pipeline connection operation pipeline section axial alignment device includes two sets of independent hydraulic cylinder-type propulsion systems, i.e. fluid cylinder top
Rise device and fluid cylinder week thruster, fluid cylinder jacking device is completed lifting of the pipeline section eyelid retractor axially during support and is promoted, fluid cylinder week thruster
Complete the horizontal propulsion during extra large pipe clamp device quick clamping under water；The hydraulic oil of all independent hydraulically controlled cylinders is changed by multichannel
It is distributed unitedly to valve to realize that the automatic synchronous lifting of fluid cylinder jacking device promotes and the automatic synchronization level of fluid cylinder week thruster promotes
Function.
3. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the sea pipe
The preceding card body and rear card body of clamping device are respectively sleeved in the front and rear of submarine pipeline, and the lower end of rear card body rectangular steel plates is successively set
Rectangular connecting panels and L shape chamfered groove are set, and the half-sectional formula cylinder of preceding card body and rear card body is arranged symmetrically and is integrated into one completely
Thick-wall cylinder；Every group of clamping guide of preceding card body equidistantly arranges two points of clamping guidees along axial, then every group of card of card body
Tight guide is along axial equidistantly three points of clamping guidees of arrangement；Every group of rotary table edge of preceding card body and rear card body half-sectional formula cylinder top
Axial equidistantly three conical round table of arrangement, every group of rotary table of preceding card body half-sectional formula cylinder lower part is along axial equidistant arrangement two
Conical round table, then every group of rotary table of card body half-sectional formula cylinder lower part is along axial equidistantly two column rotary tables of arrangement；Card body afterwards
The position of clamping circular hole and specification are identical as the column rotary table of rear card body, and the strip-shaped clamp groove of rear card body realizes the positioning of reinforced seat；
The reinforced seat of the sea pipe clamp device is process by rectangular steel plates, and the L shape chamfered groove of reinforced seat and rear card body is arranged symmetrically
And U-channel is formed, the bar shaped fixture block of reinforced seat is matched with the strip-shaped clamp groove of rear card body；
Interlaced arrangement between the three groups of clamping rests and two groups of clamping guidees of the sea pipe clamp device, extra large pipe clamp device bilaterally-chucked
The end face of rest is concordant with the holding of the both sides of the face of preceding card body and rear card body and reinforced seat respectively, point card of every group of clamping rest
Tight rest is composed of rectangular bloom and trapezoidal bloom, and the rectangular bloom of clamping rest is divided vertically to arrange and its trapezoidal bloom
Slant setting, for every group of clamping rest along axial in flat U-shaped, the rectangular bloom top with time-division clamping rest is equipped with rectangular recess.
4. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the sea pipe
The clamping lock block of clamping device is process by rectangular bloom, and the central part of clamping lock block is drilled with the round lock road of variable cross-section, circle lock
The two sides in road are connected through a screw thread and are respectively embedded into the lug latch board of clamping lock body；It is milled on the two sides locked groove face of card body U-shaped locked groove afterwards
Wedge-shaped groove, while the central part of U-shaped locked groove is drilled with prismatic round keyhole；
The clamping lock body of the sea pipe clamp device is made of two clip lock cores and lug latch board that are arranged symmetrically and a clamping lock spring, is blocked
Clamping lock pin in lock core precision-fit and structure between the round keyhole of rear card body U-shaped locked groove and the round keyhole of lug latch board respectively
Click shoulder at prismatic pair, while in clip lock core and the round of clamping lock block lock precision-fit between road and constitute prismatic pair.
5. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the centering
The horizontal plane of matrix upper end guarantees that two sets of extra large pipe clamp devices above pipeline section centralizer are in concentric Shaft alignment state, centering
Two cylindricality standard stations of matrix lower end guarantee that two casing section eyelid retractors below pipeline section centralizer are in vertically parastate；
It is drilled with the circular aperture matched with the rectangular connecting panels of reinforced seat and rear card body on the front and rear sides end face of centering matrix, and right
The two sides of middle matrix are concordant with the holding of the rectangular connecting panels side end face of reinforced seat and rear card body respectively, and the length of centering matrix is big
In the sum of the axial spacing of the axial length and two pipeline section of submarine pipeline of twice of extra large pipe clamp device, the cylindricality standard station of centering matrix
The outer diameter of diameter and centering cylinder top ring flange is equal to the width of centering matrix.
6. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the pipeline section
Ring flange is arranged in the centering cylinder top of centralizer, and every layer of centring hole of centering cylinder is evenly distributed four centering circular hole eyes, respectively
The position of interlayer centering circular hole eye is identical, and the centering circular hole eye of centering cylinder is matched with the spacer pin of lifting limiter；
Four pairs of centering rests are configured on the cylindricality standard station of the centering matrix, centering rest is equal to centering base along axial height
The platform of scapus shape standard station is high.
7. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the pipeline section
The mud mat of eyelid retractor is directly contacted with seabed mud face, prevents a whole set of centralising device from vertically sinking, the lower end surface of mud mat with
The horizontal plane keeping parallelism of centering matrix upper end, the cylindrical boss diameter of mud mat and support tube bottom end ring flange it is outer
Diameter is equal to the width of centering matrix；
The support rest is equal to the height of centering rest along the platform height of axial height and mud mat cylindrical boss, each pair of
Supporting rest and centering rest to contain, there are two branches to hold in the palm, and each branch's support uses rectangle bloom.
8. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the pipeline section
Ring flange is arranged in the support tube bottom end of eyelid retractor, and every layer of limit hole of support tube is evenly distributed four limit circular hole eyes, branch
The limit circular hole eye for supportting cylinder is identical as the aperture of centering circular hole eye of centering cylinder, each limit circular hole eye of support tube upper layer limit hole
The terminating point of as fluid cylinder jacking device lift maximum displacement when cooperating with the spacer pin of lifting limiter, while support tube lower layer limits
The as termination of fluid cylinder jacking device drop journey maximum displacement when each limit circular hole eye in position hole and the spacer pin of lifting limiter cooperate
Point；
Precision-fit between the ring cavity inner wall of the support tube and the outer ring surface of centering cylinder and constitute prismatic pair, and the arch of support tube
The binding site of shape groove two side ends and limit hole is milled with arch groove.
9. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the lifting
Ring shoulder is arranged in the bottom that ontology is limited in limiter, and the lower end surface for limiting ontology ring shoulder is concordant with the holding of the lower end surface of centering cylinder；
Every layer of lift span of limit ontology is evenly distributed four lifting circular hole eyes, limits pair of lifting the circular hole eye and centering cylinder of ontology
The position of middle circular hole eye is corresponding, limits and realizes that the axial direction of limit spring inner end is fixed at the changes of section of ontology variable cross-section boss
Position.
10. submarine pipeline connection operation pipeline section axial alignment device according to claim 1, it is characterised in that: the limit
Position pin circular arch face and support tube arch trench between precision-fit and constitute the prismatic pair along support tube axial direction, upper layer limit
The arch groove of pin is matched with the arch groove of support tube upper layer limit hole, and the arch groove and support tube of lower layer's spacer pin
The arch groove of lower layer's limit hole matches；Matched between the shank of spacer pin and the lifting circular hole eye for limiting ontology using gap
It closes, and the shank of spacer pin precision-fit and structure between the centering circular hole eye of centering cylinder and the limit circular hole eye of support tube simultaneously
At the prismatic pair along centering cylinder and support tube radial direction, limit spring outboard end is realized at the changes of section of spacer pin variable cross-section boss
Axially position.
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| CN201810020943.9A CN108561090B (en) | 2018-01-10 | 2018-01-10 | A kind of submarine pipeline connection operation pipeline section axial alignment device |
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| CN201810020943.9A CN108561090B (en) | 2018-01-10 | 2018-01-10 | A kind of submarine pipeline connection operation pipeline section axial alignment device |
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| CN108561090B true CN108561090B (en) | 2019-05-24 |
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| US6994176B2 (en) * | 2002-07-29 | 2006-02-07 | Weatherford/Lamb, Inc. | Adjustable rotating guides for spider or elevator |
| US8214993B1 (en) * | 2009-11-11 | 2012-07-10 | Coastal Cargo Company, Inc. | Method and apparatus for removing or reinstalling riser pipes of a riser bundle |
| US8590628B2 (en) * | 2011-01-24 | 2013-11-26 | Baker Hughes Incorporated | Selective sleeve system and method of moving a sleeve |
| WO2015167328A1 (en) * | 2014-04-29 | 2015-11-05 | Itrec B.V. | Marine reel lay method pipeline installation vessel and methods |
| NL2013894B1 (en) * | 2014-11-27 | 2016-10-11 | Itrec Bv | Marine pipelaying system and method for lowering and/ or raising an offshore pipeline and including one or more accessories thereto. |
| CN105937374B (en) * | 2016-07-14 | 2018-12-28 | 四川宏华石油设备有限公司 | Pipe has centralising device |
| CN106122591B (en) * | 2016-07-14 | 2017-12-29 | 青岛理工大学 | Guiding type inflator balances submarine pipeline access device and method |
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