CN203836378U

CN203836378U - Stable type pipeline

Info

Publication number: CN203836378U
Application number: CN201420233020.9U
Authority: CN
Inventors: 何文坤; 李海军
Original assignee: JIANGSU JUXIN PETROLEUM STEEL PIPE Co Ltd
Current assignee: JIANGSU JUXIN PETROLEUM STEEL PIPE Co Ltd
Priority date: 2014-05-07
Filing date: 2014-05-07
Publication date: 2014-09-17
Anticipated expiration: 2024-05-07

Abstract

The utility provides a stable type pipeline which is good in stabilizing effect, safe, reliable, short in construction cycle, high in impact bearing capacity and capable of being slightly regulated after being fixed. The stable type pipeline comprises a main pipeline, a sealing cover and a plurality of flow splitting pipe mechanisms. The main pipeline is composed of a transverse pipe and an extending pipe. The flow splitting pipe mechanisms are evenly distributed on the transverse pipe. The sealing cover is arranged at the upper end of the extending pipe. Each flow splitting pipe mechanism comprises a flow splitting pipe, a check valve, a support and at lest two inclined supports, wherein the flow splitting pipe is communicated with the transverse pipe and located over the transverse pipe, the inclined supports are symmetrically arranged between the support and the flow splitting pipe with the axis of the flow splitting pipe serving as the center, and the check valve is arranged at the upper end of the flow splitting pipe. Each flow splitting pipe mechanism further comprises a pile blocking mechanism, wherein the pile blocking mechanism comprises a pile foundation, a fixing chain, a top pull ring and a bottom lug plate. By means of the stable type pipeline, the construction speed is increased, and impact which is generated on the main pipeline by factors such as ocean current is reduced.

Description

Steady type pipeline

Technical field

The utility model relates to pipe laying field, relates in particular to the pipeline for seabed.

Background technique

Along with marine resources are constantly explored, exploited and utilize, submarine pipeline has become an important transport channel, but seabottom geology condition and circumstance complication, section of tubing needs unsettled setting up, be subject to ocean current and impact, easily make the local fatigue that produces of pipeline, affect intensity and the Security of pipeline, the particularly vertical ram's horns arranging, the impact suffering is larger.

The key name that State Patent Office announces is called " a kind of seabeach drain structure for water ", the patent No. is the utility model patent of " ZL 201220001434.X ", this case is fixed on anticorrosion main on concrete pipe pillow, concrete pipe pillow is surely located on rubble-mound foundation, and rubble-mound foundation is formed on below seabed, between rubble-mound foundation and concrete pipe pillow, be equipped with graded broken stone screed-coat simultaneously, for further fixing anticorrosion main, on anticorrosion main, be provided with concrete balancing weight.But in this case, still there is following problem: one,, for fixing anticorrosion main, arrange extra large pipeline seabeach segment base groove and will adopt bright fluting, workload is large; Two, adopt U bolt that anticorrosion main is fixed on to concrete pipe pillow upper, in the time that each parts exist machining accuracy error, be difficult to regulate; Three, concrete pipe pillow Lay interval is short, causes construction cost high, and the cycle is long; Four, arm is without extra support fixing device, yielding, fracture.

Model utility content

The utility model, for above problem, provides a kind of firmly effective, safe and reliable, short construction period, and the ability that is hit is strong, the steady type pipeline that can finely tune after fixing.

The technological scheme of model utility is: comprise main pipeline, sealing cover and some ram's hornss mechanism, described main pipeline is made up of transverse pipe and extension tube, described ram's horns mechanism is distributed in described transverse pipe, described sealing cover is located at the upper end of described extension tube, described ram's horns mechanism comprises ram's horns, safety check, support and at least two bearing diagonals, described ram's horns is communicated with described transverse pipe, and be positioned at described transverse pipe directly over, described bearing diagonal is centered by described ram's horns axis, be symmetrically set between described support and described ram's horns, described safety check is located at the upper end of ram's horns,

Also comprise Dang Zhuan mechanism, described Dang Zhuan mechanism comprises pile foundation, fixing chain, top draw ring and bottom otic placode, described pile foundation bottom is inserted underground, and described top draw ring and described bottom otic placode are located in described pile foundation, and described fixing chain two ends connect respectively described top draw ring and described bottom otic placode.

The interface of described safety check is towards vertical with the axis of described main pipeline.

Described safety check in adjacent described ram's horns mechanism dorsad or subtend setting.

Transverse pipe diameter described in described ram's horns diameter <.

Angle between described transverse pipe and described extension tube is 110 °-150 °.

On described main pipeline, be also provided with some sacrificial anode groups, described sacrificial anode group comprises four monolithic sacrificial anodes.

Described monolithic sacrificial anode is uniform centered by the axis of described main pipeline.

Spacing≤60 meter of adjacent described sacrificed anticathode group.

The utility model provides a kind of brand-new pipeline that is applicable to seabed, only the pile foundation of producing in advance need be squeezed into seabed, by fixing chain, top draw ring and bottom otic placode, main pipeline is fixed in pile foundation, has greatly improved speed of application.Tension device can overcome the machining accuracy error of each parts existence and the micro-metaboly that produced by hydraulic pressure simultaneously, determine the total length of fixing chain by regulating tension device, guarantee that Dang Zhuan mechanism steadily fixes main pipeline, weaken the impact force of the factors such as ocean current to the generation of main pipeline.Main pipeline is provided with some ram's hornss, utilizes support support to live main pipeline, then set up bearing diagonal between support and ram's horns, for increasing the intensity of ram's horns.When the utility model uses, sealing cover and safety check all, higher than sea (as shown in figure 11), are convenient to offshore operations, prevent sea water encroachment, safe and reliable.

Brief description of the drawings

Fig. 1 is the utility model structural representation,

Fig. 2 is A-A sectional view in Fig. 1,

Fig. 3 is the right elevation of Fig. 2,

Fig. 4 is C-C sectional view in Fig. 2,

Fig. 5 is B-B sectional view in Fig. 1,

Fig. 6 is the structural representation of top draw ring in Fig. 5,

Fig. 7 is the plan view of Fig. 6,

Fig. 8 is the structural representation of bottom otic placode in Fig. 5

Fig. 9 is the right elevation of Fig. 8,

Figure 10 is D-D sectional view in Fig. 1,

Figure 11 is that the utility model uses state effect schematic diagram;

In figure, 1 is main pipeline, the 11st, and transverse pipe, the 12nd, extension tube, the 2nd, ram's horns mechanism, the 21st, support, the 22nd, bearing diagonal, the 23rd, ram's horns, the 24th, safety check, 3 Shi Dangzhuan mechanisms, the 31st, pile foundation, the 32nd, fixing chain, the 321st, draw ring one, the 322nd, tension device, the 323rd, shackle, the 324th, slide fastener, the 325th, draw ring two, 33rd, top draw ring, the 331st, upper mounted plate, the 332nd, retaining ring, the 34th, bottom otic placode, the 341st, bottom plate, the 342nd, side plate, the 343rd, otic placode, the 3431st, draw ring hole, the 4th, sealing cover, the 5th, sacrificial anode group, the 51st, monolithic sacrificial anode.

Embodiment

The utility model is as shown in Fig. 1-11, comprise main pipeline 1, sealing cover 4 and some ram's hornss mechanism 2, described main pipeline 1 is made up of transverse pipe 11 and extension tube 12, angle between described transverse pipe 11 and described extension tube 12 is 110 °-150 °, described extension tube 12 is extended on sea, described ram's horns mechanism 2 is distributed in described transverse pipe 11, described sealing cover 4 is located at the upper end of described extension tube 12, for after transmission medium, described extension tube 12 is sealed, prevent that outside seawater or dirt from entering described main pipeline 1;

Described ram's horns mechanism 2 comprises ram's horns 23, safety check 24, at least two bearing diagonals 22 and for supporting the support 21 of described transverse pipe 11 and described ram's horns 23, transverse pipe 11 diameters described in described ram's horns 23 diameter <, described ram's horns 23 is communicated with described transverse pipe 11, and be positioned at described transverse pipe 11 directly over, described bearing diagonal 22 is centered by described ram's horns 23 axis, be symmetrically set between described support 21 and described ram's horns 23, described safety check 24 is located at the upper end of described ram's horns 23, and the interface of described safety check 24 is towards vertical with the axis of described main pipeline 1, be convenient to connect external pipe, described safety check 24 in adjacent described ram's horns mechanism 2 dorsad or subtend setting, be described safety check 24 be oriented one left, the next one to the right, the next one left again, arrange successively.

Also comprise the Dang Zhuan mechanism 3 for firm described main pipeline 1, described Dang Zhuan mechanism 3 comprises pile foundation 31, fixing chain 32, top draw ring 33 and bottom otic placode 34, underground (as the sea bottom surface of dotted line demonstration in Fig. 5,11) inserted in described pile foundation 31 bottoms, described top draw ring 33 and described bottom otic placode 34 are located in described pile foundation 31, described fixing chain 32 two ends connect respectively described top draw ring 33 and described bottom otic placode 34, thereby form a closed loop, for wrapping described transverse pipe 11;

Described top draw ring 33 comprises the upper mounted plate 331 of herringbone shape and is located at the retaining ring 332 on fixed plate 331, fixed plate 331 is located at the top of described pile foundation 31, described retaining ring 332 cross sections are rounded, while connection with described fixing chain 32, can reduce to greatest extent friction, increase the service life;

Described bottom otic placode 34 comprises bottom plate 341, otic placode 343 and pair of side plates 342, described bottom plate 341 be located in described pile foundation 31 and position lower than described top draw ring 33, described otic placode 343 and described pair of side plates 342 are located on described bottom plate 341, described otic placode 343 bi-side are located in described pair of side plates 342, can strengthen the constant intensity of described otic placode 343, described otic placode 343 is provided with draw ring hole 3431;

Described fixing chain 32 comprises draw ring 1, tension device 322, shackle 323, chain 324 and draw ring 2 325 successively, described draw ring one 321 one end connect described retaining ring 332, the other end connects described tension device 322, described draw ring 2 325 one end connect described chain 324, the other end connects described otic placode 343, described tension device 322 is finely tuned after fixing described main pipeline 1 for described fixing chain 32, guarantee that described Dang Zhuan mechanism 3 is by described main pipeline 1 fixation, prevent that described main pipeline 1 is produced by the factors such as current under water and floats.

On described main pipeline 1, be also provided with some sacrificial anode groups 5; spacing≤60 meter of adjacent described sacrificed anticathode group 5; described sacrificial anode group 5 comprises four monolithic sacrificial anodes 51; described monolithic sacrificial anode 51 is uniform centered by described main pipeline 1 axis; for the protection of described main pipeline 1, prevent corrosion.

In sum, the even cloth of the Dang Zhuan mechanism 3 in the utility model and ram's horns mechanism 2 is staggered to be used, can by pipeline stabilization be fixed on seabed, prevent undercurrent, the impact of morning and evening tides on pipeline.

Claims

1. steady type pipeline, comprise main pipeline, sealing cover and some ram's hornss mechanism, described main pipeline is made up of transverse pipe and extension tube, described ram's horns mechanism is distributed in described transverse pipe, described sealing cover is located at the upper end of described extension tube, it is characterized in that, described ram's horns mechanism comprises ram's horns, safety check, support and at least two bearing diagonals, described ram's horns is communicated with described transverse pipe, and be positioned at described transverse pipe directly over, described bearing diagonal is centered by described ram's horns axis, be symmetrically set between described support and described ram's horns, described safety check is located at the upper end of ram's horns,

2. steady type pipeline according to claim 1, is characterized in that, the interface of described safety check is towards vertical with the axis of described main pipeline.

3. steady type pipeline according to claim 1, is characterized in that, the described safety check in adjacent described ram's horns mechanism dorsad or subtend setting.

4. steady type pipeline according to claim 1, is characterized in that, transverse pipe diameter described in described ram's horns diameter <.

5. steady type pipeline according to claim 1, is characterized in that, the angle between described transverse pipe and described extension tube is 110 °-150 °.

6. steady type pipeline according to claim 1, is characterized in that, is also provided with some sacrificial anode groups on described main pipeline, and described sacrificial anode group comprises four monolithic sacrificial anodes.

7. steady type pipeline according to claim 6, is characterized in that, described monolithic sacrificial anode is uniform centered by the axis of described main pipeline.

8. steady type pipeline according to claim 6, is characterized in that, spacing≤60 meter of adjacent described sacrificed anticathode group.