CN208735041U - Flexible pipe resistance to compression armor - Google Patents
Flexible pipe resistance to compression armor Download PDFInfo
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- CN208735041U CN208735041U CN201821471306.5U CN201821471306U CN208735041U CN 208735041 U CN208735041 U CN 208735041U CN 201821471306 U CN201821471306 U CN 201821471306U CN 208735041 U CN208735041 U CN 208735041U
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Abstract
The flexible pipe resistance to compression armor of the utility model includes the first special-shaped band and the second special-shaped band；First abnormity band has i shaped cross section, including upper beam, lower beam and the vertical beam for connecting upper beam with lower beam, both ends in the one side towards upper beam of lower beam are equipped with the first fastener portion, and the first slot buckle is formed between the first fastener portion, lower beam and vertical beam；Second abnormity band has π font section, two cant beams being connected in main beam one side including main beam and inclination, supporting beam is equipped between two cant beams, the end of two cant beams is respectively equipped with the second hook buckle bent towards supporting beam, forms the second slot buckle between cant beam and supporting beam；When the first special-shaped band and the second abnormity band interlaced helical winding, first fastener portion's buckle on adjacent turn forms the resistance to compression armor of tubulose to the second slot buckle, second hook buckle buckle into the first slot buckle, it is that a kind of local stress is small, the strong resistance to compression armor of the curved endurance of tension.
Description
Technical field
The utility model relates to flexible duct fields, in particular to flexible pipe resistance to compression armor.
Background technique
Submarine pipeline is continuously to convey the pipeline of a large amount of oily (gas) in seabed by closed pipeline, is offshore oil (gas)
The chief component of field development and production system, and most quick, most safety and economic and reliable offshore oil and gas transporter at present
Formula.
Traditional submarine pipeline generally based on steel pipe, whole construction, installation and subsequent maintenance work period it is long and
It is costly.Flexible compound hose is right since anti-corrosive properties are good, are guaranteeing preferable mechanical strength while having lesser bending stiffness
The advantages that extraneous load is adaptable, laying speed is fast and expense is low and can reuse, applies in marine oil and gas transports
It is more and more extensive.
There are mainly two types of existing flexible compound hoses, and one kind is cementability composite soft tube, and another kind is that non-adhesive is multiple
Close hose.The connection of cementability composite soft tube is usually to be press-connected integrally by polymeric layer and metal enhancement layer, is squeezed
Make to generate higher adhesive strength between polymer material layer and metal enhancement layer by special process after molding, such hose
Generally only applied in relatively short distance crossover piping.And non-adhesive composite soft tube is generally by polymer material layer and metal enhancement layer
It is composed by way of physics, and each layer does not need to bond using chemical technology with each interlayer, each interlayer is by rubbing
It wipes with contact pressure and transmits load, with good flexibility, the mainstream structure being increasingly becoming in hose is such compound soft
Pipe is generally used over long distances and in the pipeline of high pressure.Non-adhesive composite soft tube is widely used in ocean engineering to crude oil, day
The conveying of right gas or water.
Non-adherent composite soft tube is by multilayers structures such as casing play, liner layer, resistance to compression armor, tension armor and outer claddings
At wherein resistance to compression armor is mainly used for resisting radial force, and is wound in tubulose by profile shapes, but work as flexible pipe bending deformation
When, there is biggish frictional force, tube layer is easy to happen fracture, while extraneous reciprocal load acts between the special section of spiral winding
Lower special section is also easy to produce contact wear, and fatigue damage occurs.
Utility model content
Aiming at the shortcomings in the prior art, the utility model provides a kind of flexible pipe resistance to compression armor, to solve existing skill
For flexible pipe in bending deformation, there are support hypodynamic problem under the conditions of the excessive easy fracture of contact area stress, stretch bending in art.
For this purpose, the utility model provides the following technical solutions:
Flexible pipe resistance to compression armor, including the first special-shaped band and the second special-shaped band；
The first abnormity band has i shaped cross section, including upper beam, lower beam are connected with by upper beam with lower beam
Vertical beam, the both ends in the one side towards the upper beam of the lower beam are equipped with the first fastener portion, first fastener portion,
The first slot buckle is formed between the lower beam and the vertical beam；
The second abnormity band has π font section, two be connected in main beam one side including main beam and inclination
Cant beam, supporting beam is equipped between two cant beams, and the end of two cant beams is respectively equipped with the second hook bent towards the supporting beam
Buckle forms the second slot buckle between the cant beam and the supporting beam；
First fastener portion when the described first special-shaped band and the second abnormity band interlaced helical winding, on adjacent turn
Buckle forms the resistance to compression armouring of tubulose to the second slot buckle, the second hook buckle buckle into the first slot buckle
Layer.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the vertical beam has the cambered surface of indent
Surface, the upper beam are seamlessly transitted by the vertical beam to the lower beam.
The cambered surface surface of indent enables to two special-shaped bands to form effective gap when fastening, and guarantees two adjacent turns
Special-shaped band in mutual rotation, can be avoided point contact, and then avoid the generation of local stress.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the section of the described first special-shaped band is
Symmetrical structure.
So that tube body made of coiling has uniform structure.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the length of the upper beam is less than institute
State the length of lower beam.
Lower beam is equipped with the first fastener portion, needs that upper beam is arranged with certain lap with the second abnormity
Shorter than lower beam, enable to two special-shaped bands to be capable of forming the continuous tube body in surface in winding.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the section of the described second special-shaped band is
Symmetrical structure.
So that tube body made of coiling has uniform structure.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the cant beam and the main beam
Do fillet processing in junction.
To reduce wedge angle stress concentration, the structural strength of enhancing and the special-shaped band of optimization second.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the end of the main beam is to described
The junction thickness of cant beam is gradually increased.
On the one hand biggish supporting surface is formed in the face of tube body, on the other hand increases what main beam was surrounded with cant beam
Space, while also assuring the intensity of main beam Yu cant beam junction, so that the second abnormity band has better structural behaviour.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the first special-shaped band and described the
The edge of two special-shaped bands does fillet processing.
To further prevent the point contact between the first special-shaped band and the second abnormity band, prevent from occurring when stress is excessive sharp
Side fracture.
As the further alternative scheme to above-mentioned flexible pipe resistance to compression armor, the upper surface of the upper beam, institute
State the lower surface of lower beam, the upper surface of the main beam, the supporting beam lower surface be plane；The first special-shaped band and
When the second abnormity band cross winding, the upper beam is equal with the main beam, the lower beam and the supporting beam phase
It is flat.
So that the first special-shaped band and the second special-shaped band form the smooth tube body of inside and outside wall in winding, be conducive to it is soft
Other layers of property pipe form good fitting.
The flexible pipe resistance to compression armor of the utility model at least has the advantages that
Flexible pipe resistance to compression armor is entwined by using the first special-shaped band and the second special-shaped band, and different by being arranged
The odd-shaped cross section of shape band makes the first special-shaped band and the second special-shaped band while can mutually fasten, and has certain gap,
When flexible pipe bending, reduce the contact stress between the first special-shaped band and the second abnormity band so that resistance to compression armor have compared with
The curved endurance of big tension.
For enable the above objects, features, and advantages of the utility model become apparent from it is understandable, preferred embodiment is cited below particularly,
And cooperate appended attached drawing, it is described below in detail.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 shows the schematic diagram of the section structure of flexible pipe resistance to compression armor provided by the embodiment of the utility model；
Fig. 2 shows hooking together for the special-shaped band of the adjacent turn of flexible pipe resistance to compression armor provided by the embodiment of the utility model
Structural schematic diagram.
Icon: 1- resistance to compression armor；The special-shaped band of 10- first；101- upper beam；102- lower beam；103- vertical beam；11-
One fastener portion；12- the first slot buckle；The special-shaped band of 20- second；201- main beam；202- cant beam；203- supporting beam；21- second hook
Buckle；22- the second slot buckle.
Specific embodiment
The application in order to facilitate understanding more fully retouches flexible pipe resistance to compression armor below with reference to relevant drawings
It states.The preferred embodiment of flexible pipe resistance to compression armor is given in attached drawing.But flexible pipe resistance to compression armor can pass through many
Different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes pair
The disclosure of flexible pipe resistance to compression armor is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.It is in the term used in the description of flexible pipe resistance to compression armor herein
In order to describe the purpose of specific embodiment, it is not intended that limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Embodiment
As shown in Figure 1, set on the middle layer of flexible pipe, inside is extremely the present embodiment provides a kind of flexible pipe resistance to compression armor 1
It is equipped with liner layer less, outside is at least provided with external coating, for enhancing flexible pipe compression strength.
Flexible pipe resistance to compression armor 1 includes the first special-shaped band 10 and the second special-shaped band 20, passes through the first special-shaped band 10 and the
Two special-shaped 20 cross windings of band form.
Referring to Figure 2 together, the first special-shaped band 10 has i shaped cross section, including upper beam 101, lower beam 102 and general
The vertical beam 103 that upper beam 101 and lower beam 102 connect, the both ends in the one side towards upper beam 101 of lower beam 102 are equipped with
First fastener portion 11 forms the first slot buckle 12 between first fastener portion 11, lower beam 102 and vertical beam 103.
Upper beam 101, lower beam 102 are arranged in parallel, vertical beam 103 be vertically connected on upper beam 101 and lower beam 102 it
Between.First fastener portion 11 is the boss on lower beam 102, and the first fastener portion 11, lower beam 102 and vertical beam 103 enclose
First slot buckle 12 of channel-shaped.
Second special-shaped band 20 has π font section, is connected in 201 one side of main beam including main beam 201 and inclination
Two cant beams 202 are equipped with supporting beam 203 between two cant beams 202, and the end of two cant beams 202 is respectively equipped with towards supporting beam
The second hook buckle 21 of 203 bendings, forms the second slot buckle 22 between cant beam 202 and supporting beam 203.
Cant beam 202 is connect with main beam 201 at certain inclination angle, and such as angle at 45 ° connects, so that 201 He of main beam
Two cant beams 202 form π font, and supporting beam 203 is set on two cant beams 202, for enhancing the intensity of the second special-shaped band 20, together
When make the second special-shaped band 20 form smooth tube surfaces in winding.The end internal buckle of cant beam 202 forms second simultaneously
Fastener portion 21, and the angular space between second hook buckle 21 and supporting beam 203 forms the second slot buckle 22.
When the first special-shaped band 10 and second special-shaped 20 interlaced helical of the band winding, the first fastener portion 11 on adjacent turn is embedding
Button forms the resistance to compression armor 1 of tubulose to the second slot buckle 22,21 buckle of second hook buckle into the first slot buckle 12.
Upper beam 101 and main beam 201 is arranged in a crossed manner constitutes the one side of tube body, can be outer surface, 102 He of lower beam
Amount of support is arranged in a crossed manner to constitute the another side of tube body, is inner surface.Simultaneously upper beam 101, lower beam 102 and vertical beam 103 it
Between the space that is formed between the space that is formed and main beam 201 and cant beam 202, be the first special-shaped band 10 and the second special-shaped band 20
Winding is formed by gap.It can guarantee the first fastener portion 11 and the second slot buckle 22, second hook buckle 21 and the first slot buckle
Between 12 under the premise of effective fasten and tube body has continuous surfaces externally and internally, that is, there is biggish loading end
Under the premise of, so that enough gaps are formed between the first special-shaped band 10 and the second special-shaped band 20, in flexible pipe bending deformation,
Reduce the contact stress between the first special-shaped band 10 and the second special-shaped band 20, the resistance to drawing of enhancing resistance to compression armor 1, curved performance.
Above-mentioned, the section in the first special-shaped band 10 and section, the second special-shaped band 20 is cutting with body extending direction perpendicular to it
Face.
In the present embodiment, the face height of the equal length of width and main beam 201 that cant beam 202 opens, amount of support is high
In cant beam 202.
The section of second special-shaped band 20 is symmetrical structure, and two cant beams 202 are symmetrically connected on main beam 201, are supported
Beam 203 is set between two cant beams 202, and two cant beams 202 are symmetrical with respect to supporting beam 203, and two second hook buckles 21 are opposite to be propped up
Support beam 203 is symmetrical, two opposite supporting beams 203 of the second slot buckle 22 are symmetrical.
The section of first special-shaped band 10 is symmetrical structure, i.e. 103 one end of vertical beam middle part, another for being connected to upper beam 101
End is connected to the middle part of lower beam 102, and two opposite vertical beams 103 in the first fastener portion 11 are symmetrical, and two second hook buckles 21 are opposite
Vertical beam 103 is symmetrical.
The special-shaped band 10 of the first of symmetrical configuration and the second special-shaped band 20 can be on the end faces of each spiral coil in winding
The identical fastener structure of structure is formed, so that the structure for the tube body that the first special-shaped band 10 and the second special-shaped band 20 are wound in
It is more uniform, reduce the generation that connection stress is concentrated.
Vertical beam 103 has the cambered surface surface of indent, and upper beam 101 is seamlessly transitted by vertical beam 103 to lower beam 102, tool
Body is the width of vertical beam 103 and the equal length of upper beam 101, and the side of vertical beam 103 is the cambered surface of indent.Resistance to compression armor 1
When bending, the cambered surface according to the different bending direction indents is that the main beam 201 of the second special-shaped band 20 or cant beam 202 are kept away
It allows, mitigates/avoid local stress brought by the localized contact between the first special-shaped band 10 and the second special-shaped band 20.
It is connected between vertical beam 103 and lower beam 102 by cambered surface transition simultaneously, can effectively eliminate connection sharp edge and answer
Power, so that the structural behaviour of the first special-shaped band 10 is more preferable.
Further, the first fastener portion 11 and the junction of lower beam 102 and the side in the first fastener portion 11 are cambered surface,
The stress for reducing sharp edge is concentrated, while avoiding forming point contact between the first fastener portion 11 and second hook buckle 21, avoids part
The problem of stress is excessive, and the tension of resistance to compression armor 1, curved ability is caused to reduce generation.
The length of the upper beam 101 of first special-shaped band 10 is less than the length of lower beam 102, the main beam of the second special-shaped band 20
201 length is equal with the width that two cant beams 202 open, and the length of supporting beam 203 is less than the length of main beam 201.First
Special-shaped band 10 and the second special-shaped band 20, in order to which tube body made of coiling has continuous the inner surface and the outer surface, are answered in winding
Guarantee length summation and lower beam 102 and the supporting beam 203 of upper beam 101 and main beam 201 and gap between the two with
And the length summation in gap between the two is equal or almost equal.
Fillet processing is done in the junction of cant beam 202 and main beam 201, concentrates with the above-mentioned reduction sharp edge stress being previously mentioned
Principle is similar, forms angular space between cant beam 202 and main beam 201, can occur bending and deformation in resistance to compression armor 1
When, effectively empty avoiding is carried out to upper beam 101, enhances the deformability of resistance to compression armor 1.
Fillet processing is done in the end of upper beam 101, and fillet processing is done in the end of main beam 201, to avoid upper beam 101
With the point contact between main beam 201.
The end of main beam 201 is gradually increased to the junction thickness of cant beam 202, i.e. the end of main beam 201 to middle part
Thickness be gradually increased, reduce the use of the second special-shaped 20 material of band, guarantee that the connection between main beam 201 and cant beam 202 is strong
Degree.
Pass through arc transition, and the circular arc and first between the second hook buckle 21 and cant beam 202 of opposite 202 internal buckle of cant beam
The radian of the cambered surface of the side in fastener portion 11 matches, so that the two forms cambered surface contact in fastener, contact area is more
Greatly, stress is concentrated weaker, and fastener effect is more preferable.
In addition to above-mentioned fillet, fillet processing is done between supporting beam 203 and cant beam 202,203 end of supporting beam is done at fillet
Reason, fillet processing is done in 102 end of lower beam.On the one hand fillet processing eliminates the first special-shaped band 10 and the second special-shaped band 20 itself
Sharp edge concentrated stress, both on the other hand to avoid the formation of point contact at the time of contact, prevent that sharp edge occurs when stress is excessive
Fracture promotes resistance to drawing, the flexure stress of resistance to compression armor 1.
First special-shaped band 10 is equal with the second special-shaped thickness of band 20, and the upper table of the upper beam 101 of the first special-shaped band 10
Face and the lower surface of lower beam 102 are the plane being parallel to each other, and main beam 201 and the supporting beam 203 of the second special-shaped band 20 are phase
Mutually parallel plane.
When first special-shaped band 10 and the second special-shaped band 20 intersect fastening, upper beam 101 is equal with main beam 201, lower beam
102 is equal with supporting beam 203, so that the tube body of smooth surfaces externally and internally is provided in coiling, is conducive to other layers with flexible pipe
Form good fitting.
It, can be by the first special-shaped band 10 and the second special-shaped band 20 the case where band body is unfolded in coiling resistance to compression armor 1
Under to carry out assembly chimeric, then two band bodies together spiral winding at tube body.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.
Claims (9)
1. flexible pipe resistance to compression armor, which is characterized in that including the first special-shaped band and the second special-shaped band；
The first abnormity band has i shaped cross section, erects including upper beam, lower beam with connect upper beam with lower beam
Beam, the both ends in the one side towards the upper beam of the lower beam are equipped with the first fastener portion, first fastener portion, described
The first slot buckle is formed between lower beam and the vertical beam；
The second abnormity band has π font section, including main beam and tilts two cant beams being connected in main beam one side,
Supporting beam is equipped between two cant beams, the end of two cant beams is respectively equipped with the second hook buckle bent towards the supporting beam,
The second slot buckle is formed between the cant beam and the supporting beam；
First fastener portion buckle when the described first special-shaped band and the second abnormity band interlaced helical winding, on adjacent turn
The resistance to compression armor of tubulose is formed into the first slot buckle to the second slot buckle, the second hook buckle buckle.
2. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the vertical beam has the cambered surface table of indent
Face, the upper beam are seamlessly transitted by the vertical beam to the lower beam.
3. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the section of the described first special-shaped band is pair
Claim structure.
4. flexible pipe resistance to compression armor according to claim 3, which is characterized in that the length of the upper beam is less than described
The length of lower beam.
5. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the section of the described second special-shaped band is pair
Claim structure.
6. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the company of the cant beam and the main beam
Do fillet processing in the place of connecing.
7. flexible pipe resistance to compression armor according to claim 6, which is characterized in that the end of the main beam to it is described tiltedly
The junction thickness of beam is gradually increased.
8. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the described first special-shaped band and described second
The edge of special-shaped band does fillet processing.
9. flexible pipe resistance to compression armor according to claim 1, which is characterized in that the upper surface of the upper beam, described
The lower surface of lower beam, the upper surface of the main beam, the supporting beam lower surface be plane；
When the described first special-shaped band and the second abnormity band cross winding, the upper beam is equal with the main beam, described
Lower beam is equal with the supporting beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471306.5U CN208735041U (en) | 2018-09-07 | 2018-09-07 | Flexible pipe resistance to compression armor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471306.5U CN208735041U (en) | 2018-09-07 | 2018-09-07 | Flexible pipe resistance to compression armor |
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| CN208735041U true CN208735041U (en) | 2019-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843865A (en) * | 2018-09-07 | 2018-11-20 | 广州远和船海研究院有限公司 | Flexible pipe resistance to compression armor |
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2018
- 2018-09-07 CN CN201821471306.5U patent/CN208735041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843865A (en) * | 2018-09-07 | 2018-11-20 | 广州远和船海研究院有限公司 | Flexible pipe resistance to compression armor |
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