CN205877409U - Light -duty J type submarine pipeline system of laying in deep sea - Google Patents

Abstract

The utility model provides a light -duty J type submarine pipeline system of laying in deep sea, it includes: a pedestal. Pylon mechanism installs on the base, the steel -cable drawing that the AR system stretches out the AR winch through a plurality of pulley supports pylon mechanism, tube coupling horizontal transport mechanism installs on the base, the installation of terminal subsea production system is hung, sets up the lateral part of pylon mechanism, just distal end that the installation of terminal subsea production system was hung with the AR winch is connected. The utility model discloses light -duty J type submarine pipeline system of laying in deep sea sets up as light -dutyization, can control complete machine weight, size, is fit for the current multiple ocean engineering boats and ships of installation. It has realized the modularization, and the installation of being convenient for reduces the transformation to installation mother ship, can realize articulated installation or flange mounting.

Description

Deep-sea light-duty J-type marine pipelaying system

Technical field

This utility model relates to undersea pipe-laying field, particularly to a kind of deep-sea light-duty J-type undersea pipe-laying system System.

Background technology

Marine pipelaying system is for the engineering in submarine laying transfer oil and natural gas line.Submarine pipeline bag Including seabed oil, gas gathering line, main pipeline and attached supercharging platform are, and the part such as the supervisor that is connected with platform of pipeline. Its effect is oil mined for marine petroleum-gas fiedl or natural gas to be collected, and transports to the single point mooring of mooring oil carrier Or transport to land oil, air reservoir station.

Marine oil, feed channel conveying technique identical with land pipelines.Field of Ocean Pipeline Engineering is carried out in marine site, and engineering is executed The method of work is then different from land pipelines line project.

Especially for J-type marine pipelaying system, its structure is complicated, Heavy Weight and be not easy to install, therefore ability Field technique personnel urgently study a kind of novel J-type marine pipelaying system.

Utility model content

The technical problems to be solved in the utility model is to overcome J-type marine pipelaying system structure in prior art Complicated, Heavy Weight and be not easy to the defects such as installation, it is provided that a kind of deep-sea light-duty J-type marine pipelaying system.

This utility model solves above-mentioned technical problem by following technical proposals: a kind of light-duty J-type seabed, deep-sea Pipe laying system, its feature is, described deep-sea light-duty J-type marine pipelaying system includes:

Base；Pylon mechanism, described pylon mechanism is arranged on base；

A/R system, pylon described in the rope traction that A/R winch is stretched out by multiple pulley brackets by described A/R system Mechanism；

Tube coupling horizontal transport mechanism, described tube coupling horizontal transport mechanism is arranged on described base,

End subsea production system is installed and is hung, and is arranged on the sidepiece of described pylon mechanism, and described end produces system under water System is installed the far-end hung and is connected with described A/R winch.

It is preferred that described pylon mechanism is hinged with described base, by strut system support of climbing.

It is preferred that described pylon mechanism also includes interior center support system and tension force hoistable platform, described interior center support system and institute The lay winding wire ropes pulley bracket stating tension force hoistable platform is arranged on the top of described pylon mechanism.

It is preferred that described pylon mechanism also includes that pylon clamping and loading arm pitching winch, the clamping of described pylon are arranged on On the middle cross beam of described pylon mechanism, described loading arm pitching winch is arranged in described pylon mechanism, passes through wirerope-winding Traction loading arm pitching.

It is preferred that described tube coupling horizontal transport mechanism includes many step rates, fixing longitudinally transmission carrying roller, lift longitudinally Transmission carrying roller, is arranged in the side of described loading arm.

It is preferred that described pylon mechanism also includes angle adjusting mechanism, described angle adjusting mechanism uses oil cylinder to climb and drives Dynamic.

It is preferred that described angle adjusting mechanism includes lifting body, jacking cylinder, lower lifting body and the strut that climbs, Described upper lifting body is connected by a hinge with the pylon of described pylon mechanism, and the two ends of described jacking cylinder connect on described Lifting body and described lower lifting body, described in the strut that climbs through described upper lifting body and described lower lifting body, described The strut that climbs is connected with described base by another hinge.

It is preferred that described tube coupling horizontal transport mechanism includes that multiple clamping device and tube coupling, described clamping device are arranged on On described loading arm, and clamp described tube coupling so that described tube coupling is with described loading arm pitching winch pitching.

It is preferred that described tube coupling horizontal transport mechanism also includes that safety shoes, described safety shoes are arranged on described loading arm Bottom, for preventing the sliding of described tube coupling.

Positive progressive effect of the present utility model is:

This utility model deep-sea light-duty J-type marine pipelaying system is set to lightness, can control complete machine weight, chi Very little, it is adapted to fit existing multiple ocean engineering ship.It achieves modularity, it is simple to install, and reduces and changes installation lash ship Make, hinged installation can be realized or flange is installed.Additionally, described deep-sea light-duty J-type marine pipelaying system is more multi-functional Change, undersea pipe-laying can be completed, possess A/R function, the underwater facilities such as PLET (end subsea production system) can be installed.

Accompanying drawing explanation

The above and other feature of this utility model, character and advantage by by below in conjunction with the accompanying drawings with embodiment Describing and become apparent, the most identical reference represents identical feature all the time, wherein:

Fig. 1 is the front view of this utility model deep-sea light-duty J-type marine pipelaying system.

Fig. 2 is the left view of this utility model deep-sea light-duty J-type marine pipelaying system.

Fig. 3 is the top view of this utility model deep-sea light-duty J-type marine pipelaying system.

Fig. 4 is the ship stern fitting arrangement of this utility model deep-sea light-duty J-type marine pipelaying system.

Fig. 5 is the moon pool fitting arrangement of this utility model deep-sea light-duty J-type marine pipelaying system.

Fig. 6 is pylon luffing mechanism layout drawing in the light-duty J-type marine pipelaying system of this utility model deep-sea.

Fig. 7 is the layout drawing of loading arm in the light-duty J-type marine pipelaying system of this utility model deep-sea.

Fig. 8 is the internal layout of tower system in the light-duty J-type marine pipelaying system of this utility model deep-sea.

Fig. 9 is the layout that in the light-duty J-type marine pipelaying system of this utility model deep-sea, tube coupling docks region with tube bank Figure.

Figure 10 is that in the light-duty J-type marine pipelaying system of this utility model deep-sea, schematic diagram transferred by pipeline.

Figure 11 a is the schematic diagram of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing One.

Figure 11 b is the schematic diagram of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing Two.

Figure 11 c is the schematic diagram of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing Three.

Figure 12 is the schematic diagram of A/R operating area in the light-duty J-type marine pipelaying system of this utility model deep-sea.

Figure 13 a is PLET (end subsea production system) in the light-duty J-type marine pipelaying system of this utility model deep-sea The schematic diagram one of crane system is installed.

Figure 13 b is PLET (end subsea production system) in the light-duty J-type marine pipelaying system of this utility model deep-sea The schematic diagram two of crane system is installed.

Figure 14 a is PLET (end subsea production system) in the light-duty J-type marine pipelaying system of this utility model deep-sea The schematic diagram one of operation is installed.

Figure 14 b is PLET (end subsea production system) in the light-duty J-type marine pipelaying system of this utility model deep-sea The schematic diagram two of operation is installed.

Detailed description of the invention

For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing to this practicality Novel detailed description of the invention elaborates.

With detailed reference to accompanying drawing, embodiment of the present utility model is described now.It is preferable to carry out referring in detail to of the present utility model Example, its example is shown in the drawings.In the case of any possible, identical labelling will be used to represent phase in all of the figs Same or similar part.Although additionally, the term used in this utility model is to select from public term, but Some terms being mentioned in this utility model description are probably applicant and select by his or her judgement, and it is detailed Implication is explanation in the relevant portion of description herein.Additionally, require not only by the actual terms used, and it is also to The meaning contained by each term understands this utility model.

Fig. 1 is the front view of this utility model deep-sea light-duty J-type marine pipelaying system.Fig. 2 is that this utility model is deep The left view of the light-duty J-type marine pipelaying system in sea.Fig. 3 is this utility model deep-sea light-duty J-type marine pipelaying system Top view.

As shown in Figure 1 to Figure 3, the utility model discloses a kind of deep-sea light-duty J-type marine pipelaying system, it includes Base, pylon mechanism 10, A/R system 20, tube coupling horizontal transport mechanism and end subsea production system are installed and are hung 30.Wherein, tower Frame mechanism 10 is arranged on described base.The rope traction that A/R winch 21 is stretched out by A/R system 20 by multiple pulley brackets Pylon mechanism 10.Described tube coupling horizontal transport mechanism is arranged on described base, and end subsea production system is installed and hung 30 settings At the sidepiece of pylon mechanism 10, and end subsea production system is installed and is hung the far-end of 30 and be connected with A/R winch 21.

Preferably, by hinged with described base for pylon mechanism 10, by climbing, strut system 11 supports.Further, pylon Mechanism 10 also includes interior center support system 12 and tension force hoistable platform 13, interior center support system 12 and the winding steel of tension force hoistable platform 13 Cord pulley bracket is arranged on the top of pylon mechanism 10.

It is provided above work station 17 in tower base, can be with horizontal sliding, inner space is used for arranging welding, is coated with, visits Wound, monitoring controlling equipment, workmen's activity treasured book district, in standing, tube coupling docks with tube bank.

Further, pylon mechanism 10 also includes pylon clamping 14 and loading arm pitching winch 15, pylon clamping 14 installation On the middle cross beam of pylon mechanism 10, loading arm pitching winch 15 is arranged in pylon mechanism 10, is drawn by wirerope-winding Loading arm 16 pitching.

Described tube coupling horizontal transport mechanism includes that many step rates 40, fixing longitudinally transmission carrying roller 41, lift longitudinally pass Defeated carrying roller 42, is arranged in the side of loading arm 16.

Fig. 4 is the ship stern fitting arrangement of this utility model deep-sea light-duty J-type marine pipelaying system.Fig. 5 is this reality Moon pool fitting arrangement with novel deep sea light-duty J-type marine pipelaying system.

As shown in Figure 4, the light-duty J-type in this utility model deep-sea marine pipelaying system is adopted when being arranged on sea work boats and ships afterbody With modularized design, sea work boats and ships 50 are equipped with dynamic positioning system, go for deep-sea pipe laying application, it is only necessary to local changes Make the interface strengthening boats and ships with the main body tower system of pipe laying system.

As it is shown in figure 5, this utility model deep-sea light-duty J-type marine pipelaying system can also be arranged on the moon simultaneously On the extra large work boats and ships of pool structure.Native system requires that boats and ships 50 install the deck crane 51 with lifting tube coupling, deck crane The main task of 51 is that from heap area under control 52, tube coupling is transported to deck level transport establishment.Complete machine control system is integrated in and sets specially The control chamber 53 of meter, stem communication interface reserved by control chamber 53.Complete machine OPS 54 is arranged on avris.Cloth according to pipe laying system Seated position adjusts deck layout.

Fig. 6 is pylon luffing mechanism layout drawing in the light-duty J-type marine pipelaying system of this utility model deep-sea.

As shown in Figure 6, pylon mechanism 10 also includes angle adjusting mechanism, and described angle adjusting mechanism uses oil cylinder to climb and drives Dynamic.This utility model deep-sea light-duty J-type marine pipelaying system pipe laying construction apply in, the same pylon of immersion angle degree of tube bank Luffing angle consistent, the regulation excursion of angle is 1～110 °, can meet the requirement of different tube diameters and the depth of water.

Especially, described angle adjusting mechanism includes lifting body 60, jacking cylinder 63, lower lifting body 62 and climbs Strut 64, upper lifting body 60 is connected by a hinge 61 with the pylon of pylon mechanism 10, in the two ends connection of jacking cylinder 63 Lifting body 60 and lower lifting body 62, the strut 64 that climbs is through upper lifting body 60 and lower lifting body 62, and climb strut 64 Being connected with described base by another hinge 65, the oil cylinder latch connecting each lifting body pins the pin hole on strut 64 that climbs Position.The latch of one end lifting body 60 pins pin-and-hole, and pin-and-hole extracted by other end latch, and jacking cylinder 63 shrinks or stretches out, climbs Strut 64 action drives the angle change of pylon.Using oil cylinder to climb and have the advantage of regulation angle, driving force is big, and angle positions Rear lock pin energy consumption is little.

Fig. 7 is the layout drawing of loading arm in the light-duty J-type marine pipelaying system of this utility model deep-sea.

As it is shown in fig. 7, described tube coupling horizontal transport mechanism includes multiple clamping device 161 and tube coupling, clamping device 161 sets Put on loading arm 16, and clamp described tube coupling so that described tube coupling is with loading arm 16 pitching winch pitching.Loading arm pitching is twisted Car 15 haulage cable is wound around 151, and tube coupling is with winch pitching, the chain loading arm of loading arm grappling 162 16 and pylon structure.Described Tube coupling horizontal transport mechanism also includes that safety shoes 70, safety shoes 70 are arranged on the bottom of loading arm 16, is used for preventing tube coupling sliding, Anti-dumping back of the body car 80 of closing back weighs the control of tension force, prevents loading arm 16 from affecting due to boats and ships motional inertia.

Fig. 8 is the internal layout of tower system in the light-duty J-type marine pipelaying system of this utility model deep-sea.

As shown in Figure 8, when described tube coupling goes to pylon mechanism 10 inside, outer centralizer 90 clamps tube coupling 100, loading arm 16 hold pipe tension force under the arm shifts outer centralizer 90, loading arm 16 backwater mean place.Pylon clamping 14 constraint tube coupling 100 top.Interior centering Umbilical cables winch 91 folding and unfolding umbilical cables 92, centering dolly 93 in traction.The grappling of interior centering dolly 93, in umbilical cables 92 continues to transfer Line-up clamp 94 transfers to tube coupling 100 and tube bank 101 solders side, controls internal clamp 94 by umbilical cables 92 and plays centering pipeline pair Actinal surface, meets welding requirements.Outer centralizer 90 carries tube coupling 100 weight, simultaneously can be at X, Y, Z, Rx, Ry, Rz six-freedom degree Pipe joint joint, pre-centering regulation effect are raised in direction.

Fig. 9 is the layout that in the light-duty J-type marine pipelaying system of this utility model deep-sea, tube coupling docks region with tube bank Figure.Figure 10 is that in the light-duty J-type marine pipelaying system of this utility model deep-sea, schematic diagram transferred by pipeline.

As shown in Figure 9 and Figure 10, after pipeline docks, weld, be coated with, NDT pretreatment process is in work station 17 Implement, the interface of tube coupling 100 and tube bank 101 in work station 17, constructing operation personnel can convenient construction, and clearly observe right Junction asks condition.Tube bank 101 is carried by fixed clamp 102, and pipe neck fixed clamp 102 is hinged on stinger.

After pipeline welding, cladding, NDT, pipeline is transferred, tension platform hauling winch 110 by steel wire rope 111 around Cross pulley 112 drawing tension hoistable platform 113 (as shown in Figure 8), lifting clamping 114 clamping pipeline top, tower system centering Auxiliary body's position of readiness, pipe neck fixed clamp 102 open, winch 110 is transferred, and pipe laying barge moves, pipe laying.

Figure 11 a is the schematic diagram of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing One.Figure 11 b is the schematic diagram two of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing.Figure 11c is the schematic diagram three of the clamping mode of this utility model deep-sea light-duty J-type marine pipelaying system replacing.

This utility model deep-sea light-duty J-type marine pipelaying system goes for multiple clamping mode.Such as Figure 11 a institute Showing, leading clamping mode, single tube neck 120 to have a pipe neck step for single tube, lifting clamps 114 with fixed clamp 102 same Step surface tension force is changed.As shown in figure 11b, for two-tube neck clamping mode, two-tube neck 130 has two pipe neck steps, lifting folder Hold 114 with fixed clamp 102 in upper and lower two step surface tension force conversions.As shown in fig. 11c, for frictional grip pattern, light tunnel depends on Tension force is offset by the frictional force between lifting clamping 114 and fixed clamp 102 and pipeline 140.This utility model system can be suitable for Upper Three models, system headspace and mounting interface, clamping device can be changed according to the requirement of construction party.

Figure 12 is the schematic diagram of A/R operating area in the light-duty J-type marine pipelaying system of this utility model deep-sea.Figure 13a is that in the light-duty J-type marine pipelaying system of this utility model deep-sea, PLET (end subsea production system) installs crane system Schematic diagram one.Figure 13 b be in the light-duty J-type marine pipelaying system of this utility model deep-sea PLET (end produces system under water System) install crane system schematic diagram two.Figure 14 a is the (end of PLET in the light-duty J-type marine pipelaying system of this utility model deep-sea End subsea production system) schematic diagram one operated is installed.Figure 14 b is this utility model deep-sea light-duty J-type undersea pipe-laying system In system, PLET (end subsea production system) installs the schematic diagram two of operation.

As shown in Figure 12 to Figure 14 b, under the end stage or burst sea conditions of pipe laying, need pipe abandon, showdown operation. A/R winch 21 is fixed on hull, and A/R pulley turnover bracket 22 walked around by A/R steel wire rope 211, and turnover bracket 22 hydraulic oil cylinder driving is bowed Facing upward, in A/R operating process, turnover bracket is shelved on tower frame cross beam, A/R lockset head 23 centering pipeline main line, pipeline end socket 24 and pipe Line 25 butt welding, buoy lockset 26 colligation, fixed clamp 102 opens, and seabed transferred by pipeline, and pipe abandon flow process is as it has been described above, showdown stream Journey inverse operation.

This utility model system possesses the ability that end subsea production system (PLET) is installed, can be at the end of pipe laying process End is installed also can complete independent installation exercise, as it is shown in figure 1, PLET installation is hung 30 and is arranged in tower system side, it is installed Location change, public A/R winch 21.As shown in Figure 13 a and Figure 13 b, amplitude oil cylinder 150 drives jib 151, pipe tie clip to hold 152 Clamping pipeline 153.Submarine terminal PLET160 welds with pipeline 153 docking, and A/R steel wire rope 211 is walked around top pulleys 154 and lifted by crane PLET160, pipeline 153 realizes with the connection operation of PLET160.

As shown in Figure 14 a and Figure 14 b, coordinate in flow process in pipe laying system with subsea production system, this flow process application auxiliary Three hangers 170 of structure, one loser hole connects pipeline 153, and its No. two loser holes connect puts pipe rope 171, No. three losers Hole understanding A/R steel wire rope 211, the traction of tension force hoistable platform is put and is changed pipeline 153 between pipe rope 171 and A/R steel wire rope 211 Tension force, transfers to pipeline 153 pipe tie clip and holds 152, remove lockset, slice off pipeline end socket, perform the connection work of pipeline and PLET Sequence.

Describing according to said structure and understand, this utility model applies J-type undersea pipe-laying concept, can realize tube coupling Vertical or inclination is laid, and lays tube bank and only exists lower horizontal section, reduces the tube bank ess-strain in process of deployment, reduces pipe laying simultaneously Horizontal Tension, reduces ship-positioning system requirement.

When above this utility model is arranged on pipe laying barge afterbody or moon pool, each main actuator is arranged on pipe laying tower On, tube coupling completes and welding of restraining in tower, moves clamping device by pipe laying tower and controls stringing wire tension, transfers pipeline, paving Fixed clamp under pipe tower, holding tube line static position, the alternating action of two set clamping devices realizes pipeline and transfers laying.

This utility model deep-sea light-duty J-type marine pipelaying system can lay the 300m-1500m depth of water, caliber scope Short distance sea-bottom oil-gas pipeline between 6in～12in well head, can install the water such as subsea manifold, duct end, SSIV simultaneously Lower equipment.

This utility model deep-sea light-duty J-type marine pipelaying system utilizes the concept of submerged pipeline J-type laying method to draw Lead lower exploitation design and cover Complete machine system design, the installation system of submarine system and related operating method, it is possible to achieve module Changing and install, installation lash ship local strengthening transformation can be installed and be come into operation.It can directly apply single tube neck, two-tube neck tube coupling Lay, simultaneously the most replaceable upgrading friction tension clamping device, it is achieved without the laying of pipe neck tube coupling, reserved installing space.

It addition, this utility model deep-sea light-duty J-type marine pipelaying system only arranges an integrated workstation, complete in standing Become welding, NDT, cladding pretreatment link.Work station utilizes rack-and-pinion to mediate and drives, and the level that can realize seesaws.Purpose Pylon tilt angle is coordinated to change weld locations, beneficially pretreatment construction.Hydraulic oil cylinder driving can be passed through in work station ceiling and floor Opening and closing, purpose makes pipe neck elevating mechanism enter inside work station, and upper down tube tie clip holds the graded area of mechanism inside work station.

This utility model realizes the immersion angle of tube bank wide-angle or the plumbness that levels off to, tube bank immersion angle and pinnacle of a pagoda pitching Angle is consistent, is controlled by the hydraulic pitch climbing device of pylon both sides, eliminates common huge common stinger structure, only At pylon root, shorter stinger control bundle skew is installed.

This utility model contains two pipe neck tension force clamping devices, a liftable pipe neck being arranged on pylon structure top Clamping device, by hauling winch realize pump, fall way neck gripper mechanism grips tube coupling head, tube bank transfer or Reclaiming, a fixing pipe neck clamping device being arranged on stinger top, every pipe neck clamping device all can realize opening closing up, For holding, unclamp pipe neck tightly.By pumping of upper pipe neck clamping device, opening of fixing and holding mechanism is closed up, real The laying now restrained.

Native system can realize the inside and outside centering of tube coupling and tube bank, and outer aligning equipment is contained in the track girder at work station top On, outer centralizer can realize the regulation of 6DOF, is greatly improved the welding quality of pipeline, beyond outer centralizer, in also having Line-up clamp, by being arranged on the umbilical cables winch of tower top, folding and unfolding line-up clamp, by automatically controlled, pneumatic actuation line-up clamp.

The A/R winch that this utility model includes, may be mounted on deck or inside cabin, by being arranged in tower Leading block group haulage cable on frame and deck is to the center of restraining, and block support is controlled by amplitude oil cylinder, can be real Existing 90 ° of upsets, reserve sufficient space to normal pipe laying.Installing for meeting submarine system, system design includes that a PLET installs Hang, install and hang pipeline and the terminal installment work that can coordinate same engineering with tower system, it is possible to complete independently independence Terminal installation project, hangs construction for satisfied installation, there are certain requirements profile, the weight of PLET.

In sum, this utility model deep-sea light-duty J-type marine pipelaying system is set to lightness, can control whole Machine weight, size, be adapted to fit existing multiple ocean engineering ship.It achieves modularity, it is simple to install, and reduces installation The transformation of lash ship, can realize hinged installation or flange is installed.Additionally, described deep-sea light-duty J-type marine pipelaying system is more Ground multifunction, can complete undersea pipe-laying, possess A/R function, can install PLET (end subsea production system) etc. under water Facility.

Although the foregoing describing detailed description of the invention of the present utility model, it will be appreciated by those of skill in the art that These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art These embodiments, on the premise of without departing substantially from principle of the present utility model and essence, can be made numerous variations or repair by member Change, but these changes and amendment each fall within protection domain of the present utility model.

Claims (9)

1. a deep-sea light-duty J-type marine pipelaying system, it is characterised in that described deep-sea light-duty J-type undersea pipe-laying System includes:

Base；

Pylon mechanism, described pylon mechanism is arranged on base；

A/R system, pylon mechanism described in the rope traction that A/R winch is stretched out by multiple pulley brackets by described A/R system；

Tube coupling horizontal transport mechanism, described tube coupling horizontal transport mechanism is arranged on described base,

End subsea production system is installed and is hung, and is arranged on the sidepiece of described pylon mechanism, and described end subsea production system peace The far-end that dress hangs is connected with described A/R winch.

2. deep-sea as claimed in claim 1 light-duty J-type marine pipelaying system, it is characterised in that described pylon mechanism with Described base is hinged, by strut system support of climbing.

3. deep-sea as claimed in claim 2 light-duty J-type marine pipelaying system, it is characterised in that described pylon mechanism is also Including interior center support system and tension force hoistable platform, described interior center support system and the winding steel wire rope pulley of described tension force hoistable platform Support is arranged on the top of described pylon mechanism.

4. deep-sea as claimed in claim 3 light-duty J-type marine pipelaying system, it is characterised in that described pylon mechanism is also Including pylon clamping and loading arm pitching winch, the clamping of described pylon is arranged on the middle cross beam of described pylon mechanism, described dress Load arm pitching winch is arranged in described pylon mechanism, draws loading arm pitching by wirerope-winding.

5. deep-sea as claimed in claim 4 light-duty J-type marine pipelaying system, it is characterised in that described tube coupling level is transported Transfer mechanism includes many step rates, fixing longitudinally transmission carrying roller, lift longitudinally transmission carrying roller, is arranged in described loading arm Side.

6. deep-sea as claimed in claim 1 light-duty J-type marine pipelaying system, it is characterised in that described pylon mechanism is also Including angle adjusting mechanism, described angle adjusting mechanism uses oil cylinder to climb driving.

7. deep-sea as claimed in claim 6 light-duty J-type marine pipelaying system, it is characterised in that described angular adjustment machine Structure includes lifting body, jacking cylinder, lower lifting body and the strut that climbs, described upper lifting body and described pylon mechanism Pylon is connected by a hinge, and the two ends of described jacking cylinder connect described upper lifting body and described lower lifting body, described The strut that climbs passes described upper lifting body and described lower lifting body, described in climb strut by another hinge and described base Connect.

8. deep-sea as claimed in claim 4 light-duty J-type marine pipelaying system, it is characterised in that described tube coupling level is transported Transfer mechanism includes that multiple clamping device and tube coupling, described clamping device are arranged on described loading arm, and clamps described tube coupling, makes Obtain described tube coupling with described loading arm pitching winch pitching.

9. deep-sea as claimed in claim 8 light-duty J-type marine pipelaying system, it is characterised in that described tube coupling level is transported Transfer mechanism also includes that safety shoes, described safety shoes are arranged on the bottom of described loading arm, for preventing the sliding of described tube coupling.